pax_global_header00006660000000000000000000000064141405477310014520gustar00rootroot0000000000000052 comment=318a3e6b2d35f2b2d6aed385c77bd805763c4938 ima-evm-utils-1.4/000077500000000000000000000000001414054773100140555ustar00rootroot00000000000000ima-evm-utils-1.4/.github/000077500000000000000000000000001414054773100154155ustar00rootroot00000000000000ima-evm-utils-1.4/.github/workflows/000077500000000000000000000000001414054773100174525ustar00rootroot00000000000000ima-evm-utils-1.4/.github/workflows/ci.yml000066400000000000000000000064371414054773100206020ustar00rootroot00000000000000# Copyright (c) 2021 Petr Vorel name: "distros" on: [push, pull_request] jobs: job: runs-on: ubuntu-latest strategy: fail-fast: false matrix: include: # 32bit build - container: "debian:stable" env: CC: gcc ARCH: i386 TSS: tpm2-tss VARIANT: i386 COMPILE_SSL: openssl-3.0.0-beta1 # cross compilation builds - container: "debian:stable" env: ARCH: ppc64el CC: powerpc64le-linux-gnu-gcc TSS: ibmtss VARIANT: cross-compile - container: "debian:stable" env: ARCH: arm64 CC: aarch64-linux-gnu-gcc TSS: tpm2-tss VARIANT: cross-compile - container: "debian:stable" env: ARCH: s390x CC: s390x-linux-gnu-gcc TSS: ibmtss VARIANT: cross-compile # musl (native) - container: "alpine:latest" env: CC: gcc TSS: tpm2-tss # glibc (gcc/clang) - container: "opensuse/tumbleweed" env: CC: clang TSS: ibmtss COMPILE_SSL: openssl-3.0.0-beta1 - container: "opensuse/leap" env: CC: gcc TSS: tpm2-tss - container: "ubuntu:groovy" env: CC: gcc TSS: ibmtss COMPILE_SSL: openssl-3.0.0-beta1 - container: "ubuntu:xenial" env: CC: clang TSS: tpm2-tss - container: "fedora:latest" env: CC: clang TSS: ibmtss - container: "centos:7" env: CC: gcc TSS: tpm2-tss - container: "centos:latest" env: CC: gcc TSS: tpm2-tss - container: "debian:testing" env: CC: clang TSS: tpm2-tss - container: "debian:stable" env: CC: clang TSS: ibmtss - container: "alt:sisyphus" env: CC: gcc TSS: libtpm2-tss-devel container: image: ${{ matrix.container }} env: ${{ matrix.env }} options: --security-opt seccomp=unconfined steps: - name: Show OS run: cat /etc/os-release - name: Git checkout uses: actions/checkout@v1 - name: Install additional packages run: | INSTALL=${{ matrix.container }} INSTALL="${INSTALL%%:*}" INSTALL="${INSTALL%%/*}" if [ "$VARIANT" ]; then ARCH="$ARCH" ./ci/$INSTALL.$VARIANT.sh; fi ARCH="$ARCH" CC="$CC" TSS="$TSS" ./ci/$INSTALL.sh if [ "$COMPILE_SSL" ]; then COMPILE_SSL="$COMPILE_SSL" ./tests/install-openssl3.sh; fi - name: Build swtpm run: | if [ ! "$VARIANT" ]; then which tpm_server || which swtpm || \ if which tssstartup; then ./tests/install-swtpm.sh; fi fi - name: Compiler version run: $CC --version - name: Compile run: CC="$CC" VARIANT="$VARIANT" ./build.sh ima-evm-utils-1.4/.gitignore000066400000000000000000000011231414054773100160420ustar00rootroot00000000000000*.swp *~ # Generated by autotools .libs m4 .deps aclocal.m4 autom4te.cache config.guess config.log config.status config.sub configure depcomp install-sh Makefile.in Makefile !tests/data/Makefile missing compile libtool ltmain.sh test-driver # Compiled executables *.o *.a *.lo *.la src/evmctl tests/openclose config.h config.h.in stamp-h1 *.spec # But don't ignore the symlinks with the same names in this directory !tests/valgrind/* # cscope/tags tags TAGS cscope.* ncscope.* # Generated documentation *.1 *.8 *.5 manpage.links manpage.refs # quilt's files patches series # test output ima-evm-utils-1.4/.travis.yml000066400000000000000000000072621414054773100161750ustar00rootroot00000000000000# Copyright (c) 2017-2021 Petr Vorel dist: bionic language: C services: - docker matrix: include: # 32 bit build - os: linux env: DISTRO=debian:stable VARIANT=i386 ARCH=i386 TSS=tpm2-tss COMPILE_SSL=openssl-3.0.0-beta1 compiler: gcc # cross compilation builds - os: linux env: DISTRO=debian:stable VARIANT=cross-compile ARCH=ppc64el TSS=ibmtss compiler: powerpc64le-linux-gnu-gcc - os: linux env: DISTRO=debian:stable VARIANT=cross-compile ARCH=arm64 TSS=tpm2-tss compiler: aarch64-linux-gnu-gcc - os: linux env: DISTRO=debian:stable VARIANT=cross-compile ARCH=s390x TSS=ibmtss compiler: s390x-linux-gnu-gcc # musl - os: linux env: DISTRO=alpine:latest TSS=tpm2-tss CONTAINER=podman CONTAINER_ARGS="--runtime=/usr/bin/crun --network=host" compiler: gcc # glibc (gcc/clang) - os: linux env: DISTRO=opensuse/tumbleweed TSS=ibmtss CONTAINER=podman CONTAINER_ARGS="--runtime=/usr/bin/crun --network=host" COMPILE_SSL=openssl-3.0.0-beta1 compiler: clang - os: linux env: DISTRO=opensuse/leap TSS=tpm2-tss compiler: gcc - os: linux env: DISTRO=ubuntu:groovy TSS=ibmtss COMPILE_SSL=openssl-3.0.0-beta1 compiler: gcc - os: linux env: DISTRO=ubuntu:xenial TSS=tpm2-tss compiler: clang - os: linux env: DISTRO=fedora:latest TSS=ibmtss CONTAINER=podman CONTAINER_ARGS="--runtime=/usr/bin/crun --network=host" compiler: clang - os: linux env: DISTRO=centos:7 TSS=tpm2-tss compiler: gcc - os: linux env: DISTRO=centos:latest TSS=tpm2-tss compiler: clang - os: linux env: DISTRO=debian:testing TSS=tpm2-tss compiler: clang - os: linux env: DISTRO=debian:stable TSS=ibmtss compiler: gcc - os: linux env: REPO="docker.io/library/" DISTRO=${REPO}alt:sisyphus TSS=libtpm2-tss-devel CONTAINER=podman CONTAINER_ARGS="--runtime=/usr/bin/crun --network=host" compiler: gcc before_install: # Tumbleweed requires podman due docker incompatible with glibc 2.33 # (faccessat2) and crun (for clone3). - CONTAINER="${CONTAINER:-docker}" - > if [ "$CONTAINER" = "podman" ]; then # podman . /etc/os-release sudo sh -c "echo 'deb http://download.opensuse.org/repositories/devel:/kubic:/libcontainers:/stable/xUbuntu_${VERSION_ID}/ /' > /etc/apt/sources.list.d/devel:kubic:libcontainers:stable.list" wget -nv https://download.opensuse.org/repositories/devel:kubic:libcontainers:stable/xUbuntu_${VERSION_ID}/Release.key -O- | sudo apt-key add - sudo apt update sudo apt -y install podman slirp4netns crun fi - $CONTAINER info - DIR="/usr/src/ima-evm-utils" - printf "FROM $DISTRO\nRUN mkdir -p $DIR\nWORKDIR $DIR\nCOPY . $DIR\n" > Dockerfile - cat Dockerfile - $CONTAINER build $CONTAINER_ARGS -t ima-evm-utils . script: - INSTALL="${DISTRO#${REPO}}" - INSTALL="${INSTALL%%:*}" - INSTALL="${INSTALL%%/*}" - $CONTAINER run $CONTAINER_ARGS -t ima-evm-utils /bin/sh -c "if [ \"$VARIANT\" ]; then ARCH=\"$ARCH\" ./ci/$INSTALL.$VARIANT.sh; fi && ARCH=\"$ARCH\" CC=\"$CC\" TSS=\"$TSS\" ./ci/$INSTALL.sh && if [ "$COMPILE_SSL" ]; then COMPILE_SSL="$COMPILE_SSL" ./tests/install-openssl3.sh; fi && if [ ! \"$VARIANT\" ]; then which tpm_server || which swtpm || if which tssstartup; then ./tests/install-swtpm.sh; fi; fi && CC=\"$CC\" VARIANT=\"$VARIANT\" ./build.sh" ima-evm-utils-1.4/AUTHORS000066400000000000000000000001771414054773100151320ustar00rootroot00000000000000Dmitry Kasatkin CONTRIBUTORS: Vivek Goyal Mimi Zohar ima-evm-utils-1.4/COPYING000066400000000000000000000432541414054773100151200ustar00rootroot00000000000000 GNU GENERAL PUBLIC LICENSE Version 2, June 1991 Copyright (C) 1989, 1991 Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA Everyone is permitted to copy and distribute verbatim copies of this license document, but changing it is not allowed. Preamble The licenses for most software are designed to take away your freedom to share and change it. By contrast, the GNU General Public License is intended to guarantee your freedom to share and change free software--to make sure the software is free for all its users. This General Public License applies to most of the Free Software Foundation's software and to any other program whose authors commit to using it. (Some other Free Software Foundation software is covered by the GNU Lesser General Public License instead.) You can apply it to your programs, too. When we speak of free software, we are referring to freedom, not price. Our General Public Licenses are designed to make sure that you have the freedom to distribute copies of free software (and charge for this service if you wish), that you receive source code or can get it if you want it, that you can change the software or use pieces of it in new free programs; and that you know you can do these things. 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The "Program", below, refers to any such program or work, and a "work based on the Program" means either the Program or any derivative work under copyright law: that is to say, a work containing the Program or a portion of it, either verbatim or with modifications and/or translated into another language. (Hereinafter, translation is included without limitation in the term "modification".) Each licensee is addressed as "you". Activities other than copying, distribution and modification are not covered by this License; they are outside its scope. The act of running the Program is not restricted, and the output from the Program is covered only if its contents constitute a work based on the Program (independent of having been made by running the Program). Whether that is true depends on what the Program does. 1. 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(Exception: if the Program itself is interactive but does not normally print such an announcement, your work based on the Program is not required to print an announcement.) These requirements apply to the modified work as a whole. If identifiable sections of that work are not derived from the Program, and can be reasonably considered independent and separate works in themselves, then this License, and its terms, do not apply to those sections when you distribute them as separate works. But when you distribute the same sections as part of a whole which is a work based on the Program, the distribution of the whole must be on the terms of this License, whose permissions for other licensees extend to the entire whole, and thus to each and every part regardless of who wrote it. Thus, it is not the intent of this section to claim rights or contest your rights to work written entirely by you; rather, the intent is to exercise the right to control the distribution of derivative or collective works based on the Program. In addition, mere aggregation of another work not based on the Program with the Program (or with a work based on the Program) on a volume of a storage or distribution medium does not bring the other work under the scope of this License. 3. You may copy and distribute the Program (or a work based on it, under Section 2) in object code or executable form under the terms of Sections 1 and 2 above provided that you also do one of the following: a) Accompany it with the complete corresponding machine-readable source code, which must be distributed under the terms of Sections 1 and 2 above on a medium customarily used for software interchange; or, b) Accompany it with a written offer, valid for at least three years, to give any third party, for a charge no more than your cost of physically performing source distribution, a complete machine-readable copy of the corresponding source code, to be distributed under the terms of Sections 1 and 2 above on a medium customarily used for software interchange; or, c) Accompany it with the information you received as to the offer to distribute corresponding source code. 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If the Program specifies a version number of this License which applies to it and "any later version", you have the option of following the terms and conditions either of that version or of any later version published by the Free Software Foundation. If the Program does not specify a version number of this License, you may choose any version ever published by the Free Software Foundation. 10. If you wish to incorporate parts of the Program into other free programs whose distribution conditions are different, write to the author to ask for permission. For software which is copyrighted by the Free Software Foundation, write to the Free Software Foundation; we sometimes make exceptions for this. Our decision will be guided by the two goals of preserving the free status of all derivatives of our free software and of promoting the sharing and reuse of software generally. NO WARRANTY 11. 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IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MAY MODIFY AND/OR REDISTRIBUTE THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES, INCLUDING ANY GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED TO LOSS OF DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER PROGRAMS), EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. END OF TERMS AND CONDITIONS How to Apply These Terms to Your New Programs If you develop a new program, and you want it to be of the greatest possible use to the public, the best way to achieve this is to make it free software which everyone can redistribute and change under these terms. To do so, attach the following notices to the program. It is safest to attach them to the start of each source file to most effectively convey the exclusion of warranty; and each file should have at least the "copyright" line and a pointer to where the full notice is found. Copyright (C) This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. Also add information on how to contact you by electronic and paper mail. If the program is interactive, make it output a short notice like this when it starts in an interactive mode: Gnomovision version 69, Copyright (C) year name of author Gnomovision comes with ABSOLUTELY NO WARRANTY; for details type `show w'. This is free software, and you are welcome to redistribute it under certain conditions; type `show c' for details. The hypothetical commands `show w' and `show c' should show the appropriate parts of the General Public License. Of course, the commands you use may be called something other than `show w' and `show c'; they could even be mouse-clicks or menu items--whatever suits your program. You should also get your employer (if you work as a programmer) or your school, if any, to sign a "copyright disclaimer" for the program, if necessary. Here is a sample; alter the names: Yoyodyne, Inc., hereby disclaims all copyright interest in the program `Gnomovision' (which makes passes at compilers) written by James Hacker. , 1 April 1989 Ty Coon, President of Vice This General Public License does not permit incorporating your program into proprietary programs. If your program is a subroutine library, you may consider it more useful to permit linking proprietary applications with the library. If this is what you want to do, use the GNU Lesser General Public License instead of this License. ima-evm-utils-1.4/INSTALL000066400000000000000000000376531414054773100151240ustar00rootroot00000000000000Installation Instructions ************************* Copyright (C) 1994-1996, 1999-2002, 2004-2013 Free Software Foundation, Inc. Copying and distribution of this file, with or without modification, are permitted in any medium without royalty provided the copyright notice and this notice are preserved. This file is offered as-is, without warranty of any kind. Prerequisites ============= This project has the following prerequisites: (Ubuntu package names) libkeyutils-dev libtasn1-dev libgmp-dev libnspr4-dev libnss3-dev These software TPMs are supported: https://sourceforge.net/projects/ibmswtpm2/ https://github.com/stefanberger/swtpm swtpm depends upon https://github.com/stefanberger/libtpms Supported TSSes include these. Both are included in some distros. IBM TSS https://sourceforge.net/projects/ibmtpm20tss/ Intel TSS Basic Installation ================== Briefly, the shell commands `autoreconf -i; ./configure; make; make install' should configure, build, and install this package. The following more-detailed instructions are generic; see the `README' file for instructions specific to this package. Some packages provide this `INSTALL' file but do not implement all of the features documented below. The lack of an optional feature in a given package is not necessarily a bug. More recommendations for GNU packages can be found in *note Makefile Conventions: (standards)Makefile Conventions. The `configure' shell script attempts to guess correct values for various system-dependent variables used during compilation. It uses those values to create a `Makefile' in each directory of the package. It may also create one or more `.h' files containing system-dependent definitions. Finally, it creates a shell script `config.status' that you can run in the future to recreate the current configuration, and a file `config.log' containing compiler output (useful mainly for debugging `configure'). It can also use an optional file (typically called `config.cache' and enabled with `--cache-file=config.cache' or simply `-C') that saves the results of its tests to speed up reconfiguring. Caching is disabled by default to prevent problems with accidental use of stale cache files. If you need to do unusual things to compile the package, please try to figure out how `configure' could check whether to do them, and mail diffs or instructions to the address given in the `README' so they can be considered for the next release. If you are using the cache, and at some point `config.cache' contains results you don't want to keep, you may remove or edit it. The file `configure.ac' (or `configure.in') is used to create `configure' by a program called `autoconf'. You need `configure.ac' if you want to change it or regenerate `configure' using a newer version of `autoconf'. The simplest way to compile this package is: 1. `cd' to the directory containing the package's source code and type `autoreconf -i' and then `./configure' to configure the package for your system. Running `configure' might take a while. While running, it prints some messages telling which features it is checking for. 2. Type `make' to compile the package. 3. Optionally, type `make check' to run any self-tests that come with the package, generally using the just-built uninstalled binaries. 4. Type `make install' to install the programs and any data files and documentation. When installing into a prefix owned by root, it is recommended that the package be configured and built as a regular user, and only the `make install' phase executed with root privileges. 5. Optionally, type `make installcheck' to repeat any self-tests, but this time using the binaries in their final installed location. This target does not install anything. Running this target as a regular user, particularly if the prior `make install' required root privileges, verifies that the installation completed correctly. 6. You can remove the program binaries and object files from the source code directory by typing `make clean'. To also remove the files that `configure' created (so you can compile the package for a different kind of computer), type `make distclean'. There is also a `make maintainer-clean' target, but that is intended mainly for the package's developers. If you use it, you may have to get all sorts of other programs in order to regenerate files that came with the distribution. 7. Often, you can also type `make uninstall' to remove the installed files again. In practice, not all packages have tested that uninstallation works correctly, even though it is required by the GNU Coding Standards. 8. Some packages, particularly those that use Automake, provide `make distcheck', which can by used by developers to test that all other targets like `make install' and `make uninstall' work correctly. This target is generally not run by end users. Compilers and Options ===================== Some systems require unusual options for compilation or linking that the `configure' script does not know about. Run `./configure --help' for details on some of the pertinent environment variables. You can give `configure' initial values for configuration parameters by setting variables in the command line or in the environment. Here is an example: ./configure CC=c99 CFLAGS=-g LIBS=-lposix *Note Defining Variables::, for more details. Compiling For Multiple Architectures ==================================== You can compile the package for more than one kind of computer at the same time, by placing the object files for each architecture in their own directory. To do this, you can use GNU `make'. `cd' to the directory where you want the object files and executables to go and run the `configure' script. `configure' automatically checks for the source code in the directory that `configure' is in and in `..'. This is known as a "VPATH" build. With a non-GNU `make', it is safer to compile the package for one architecture at a time in the source code directory. After you have installed the package for one architecture, use `make distclean' before reconfiguring for another architecture. On MacOS X 10.5 and later systems, you can create libraries and executables that work on multiple system types--known as "fat" or "universal" binaries--by specifying multiple `-arch' options to the compiler but only a single `-arch' option to the preprocessor. Like this: ./configure CC="gcc -arch i386 -arch x86_64 -arch ppc -arch ppc64" \ CXX="g++ -arch i386 -arch x86_64 -arch ppc -arch ppc64" \ CPP="gcc -E" CXXCPP="g++ -E" This is not guaranteed to produce working output in all cases, you may have to build one architecture at a time and combine the results using the `lipo' tool if you have problems. Installation Names ================== By default, `make install' installs the package's commands under `/usr/local/bin', include files under `/usr/local/include', etc. You can specify an installation prefix other than `/usr/local' by giving `configure' the option `--prefix=PREFIX', where PREFIX must be an absolute file name. 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Run `configure --help' for more details. ima-evm-utils-1.4/Makefile.am000066400000000000000000000015541414054773100161160ustar00rootroot00000000000000SUBDIRS = src tests if MANPAGE_DOCBOOK_XSL dist_man_MANS = evmctl.1 endif doc_DATA = examples/ima-genkey-self.sh examples/ima-genkey.sh examples/ima-gen-local-ca.sh EXTRA_DIST = autogen.sh $(doc_DATA) CLEANFILES = *.html *.xsl ACLOCAL_AMFLAGS = -I m4 SRCS = $(HOME)/rpmbuild/SOURCES SPEC = $(PACKAGE_NAME).spec pkgname = $(PACKAGE_NAME)-$(PACKAGE_VERSION) tarname = $(pkgname).tar.gz $(tarname): git archive --format=tar --prefix=$(pkgname)/ v$(PACKAGE_VERSION) $(FILES) | gzip >$@ tar: $(tarname) rpm: $(tarname) cp $(tarname) $(SRCS)/ rpmbuild -ba --nodeps $(SPEC) if MANPAGE_DOCBOOK_XSL evmctl.1.html: README @asciidoc -o $@ $< evmctl.1: asciidoc -d manpage -b docbook -o evmctl.1.xsl README xsltproc --nonet -o $@ $(MANPAGE_DOCBOOK_XSL) evmctl.1.xsl rm -f evmctl.1.xsl rmman: rm -f evmctl.1 doc: evmctl.1.html rmman evmctl.1 endif .PHONY: $(tarname) ima-evm-utils-1.4/NEWS000066400000000000000000000176501414054773100145650ustar00rootroot000000000000002021-10-22 Mimi Zohar version 1.4: * Elliptic curve support and tests * PKCS11 support and tests * Ability to manually specify the keyid included in the IMA xattr * Improve IMA measurement list per TPM bank verification * Linking with IBM TSS * Set default hash algorithm in package configuration * (Minimal) support and test EVM portable signatures * CI testing: * Refresh and include new distros * Podman support * GitHub Actions * Limit "sudo" usage * Misc bug fixes and code cleanup * Fix static analysis bug reports, memory leaks * Remove experimental code that was never upstreamed in the kernel * Use unsigned variable, remove unused variables, etc 2020-10-28 Mimi Zohar version 1.3.2: * Bugfixes: importing keys * NEW: Docker based travis distro testing * Travis bugfixes, code cleanup, software version update, and script removal * Initial travis testing 2020-08-11 Mimi Zohar version 1.3.1: * "--pcrs" support for per crypto algorithm * Drop/rename "ima_measurement" options * Moved this summary from "Changelog" to "NEWS", removing requirement for GNU empty files * Distro build fixes 2020-07-21 Mimi Zohar version 1.3 new features: * NEW ima-evm-utils regression test infrastructure with two initial tests: - ima_hash.test: calculate/verify different crypto hash algorithms - sign_verify.test: EVM and IMA sign/verify signature tests * TPM 2.0 support - Calculate the new per TPM 2.0 bank template data digest - Support original padding the SHA1 template data digest - Compare ALL the re-calculated TPM 2.0 bank PCRs against the TPM 2.0 bank PCR values - Calculate the per TPM bank "boot_aggregate" values, including PCRs 8 & 9 in calculation - Support reading the per TPM 2.0 Bank PCRs using Intel's TSS - boot_aggregate.test: compare the calculated "boot_aggregate" values with the "boot_aggregate" value included in the IMA measurement. * TPM 1.2 support - Additionally support reading the TPM 1.2 PCRs from a supplied file ("--pcrs" option) * Based on original IMA LTP and standalone version support - Calculate the TPM 1.2 "boot_aggregate" based on the exported TPM 1.2 BIOS event log. - In addition to verifying the IMA measurement list against the the TPM PCRs, verify the IMA template data digest against the template data. (Based on LTP "--verify" option.) - Ignore file measurement violations while verifying the IMA measurment list. (Based on LTP "--validate" option.) - Verify the file data signature included in the measurement list based on the file hash also included in the measurement list (--verify-sig) - Support original "ima" template (mixed templates not supported) * Support "sm3" crypto name Bug fixes and code cleanup: * Don't exit with -1 on failure, exit with 125 * On signature verification failure, include pathname. * Provide minimal hash_info.h file in case one doesn't exist, needed by the ima-evm-utils regression tests. * On systems with TPM 1.2, skip "boot_aggregate.test" using sample logs * Fix hash_algo type comparison mismatch * Simplify/clean up code * Address compiler complaints and failures * Fix memory allocations and leaks * Sanity check provided input files are regular files * Revert making "tsspcrread" a compile build time decision. * Limit additional messages based on log level (-v) 2019-07-30 Mimi Zohar version 1.2.1 Bug fixes: * When verifying multiple file signatures, return correct status * Don't automatically use keys from x509 certs if user supplied "--rsa" * Fix verifying DIGSIG_VERSION_1 signatures * autoconf, openssl fixes 2019-07-24 Mimi Zohar version 1.2 new features: * Generate EVM signatures based on the specified hash algorithm * include "security.apparmor" in EVM signature * Add support for writing & verifying "user.xxxx" xattrs for testing * Support Strebog/Gost hash functions * Add OpenSSL engine support * Use of EVP_PKEY OpenSSL API to generate/verify v2 signatures * Support verifying multiple signatures at once * Support new template "buf" field and warn about other unknown fields * Improve OpenSSL error reporting * Support reading TPM 2.0 PCRs using tsspcrread Bug fixes and code cleanup: * Update manpage stylesheet detection * Fix xattr.h include file * On error when reading TPM PCRs, don't log gargabe * Properly return keyid string to calc_keyid_v1/v2 callers, caused by limiting keyid output to verbose mode * Fix hash buffer overflow caused by EVM support for larger hashes, defined MAX_DIGEST_SIZE and MAX_SIGNATURE_SIZE, and added "asserts". * Linked with libcrypto instead of OpenSSL * Updated Autotools, replacing INCLUDES with AM_CPPFLAGS * Include new "hash-info.gen" in tar * Log the hash algorithm, not just the hash value * Fixed memory leaks in: EV_MD_CTX, init_public_keys * Fixed other warnings/bugs discovered by clang, coverity * Remove indirect calls in verify_hash() to improve code readability * Don't fallback to using sha1 * Namespace some too generic object names * Make functions/arrays static if possible 2018-01-28 Mimi Zohar version 1.1 * Support the new openssl 1.1 api * Support for validating multiple pcrs * Verify the measurement list signature based on the list digest * Verify the "ima-sig" measurement list using multiple keys * Fixed parsing the measurement template data field length * Portable & immutable EVM signatures (new format) * Multiple fixes that have been lingering in the next branch. Some are for experimental features that are not yet supported in the kernel. 2014-07-30 Dmitry Kasatkin version 1.0 * Recursive hashing * Immutable EVM signatures (experimental) * Command 'ima_clear' to remove xattrs * Support for passing password to the library * Support for asking password safely from the user 2014-09-23 Dmitry Kasatkin version 0.9 * Updated README * man page generated and added to the package * Use additional SMACK xattrs for EVM signature generation * Signing functions moved to libimaevm for external use (RPM) * Fixed setting of correct hash header 2014-05-05 Dmitry Kasatkin version 0.8 * Symbilic names for keyrings * Hash list signing * License text fix for using OpenSSL * Help output fix 2014-02-17 Dmitry Kasatkin version 0.7 * Fix symbolic links related bugs * Provide recursive fixing * Provide recursive signing * Move IMA verification to the library (first for LTP use) * Support for target architecture data size * Remove obsolete module signing code * Code cleanup 2013-08-28 Dmitry Kasatkin version 0.6 * support for asymmetric crypto keys and new signature format (v2) * fixes to set correct hash algo for digital signature v1 * uuid support for EVM * signature verification support * test scripts removed * README updates 2012-05-18 Dmitry Kasatkin version 0.3 * llistxattr returns 0 if there are no xattrs and it is valid * Added entry type to directory hash calculation * inline block variable renamed * Remove forced tag creation * Use libexec for programs and scripts * Some files updated * Do not search for algorithm as it is known * Refactored to remove redundant hash initialization code * Added hash calculation for special files 2012-04-05 Dmitry Kasatkin version 0.2 * added RPM & TAR building makefile rules * renamed evm-utils to ima-evm-utils * added command options description * updated error handling * refactored redundant code 2012-04-02 Dmitry Kasatkin version 0.1.0 * Fully functional version for lastest 3.x kernels 2011-08-24 Dmitry Kasatkin version 0.1 * Initial public version. ima-evm-utils-1.4/README000066400000000000000000000344711414054773100147460ustar00rootroot00000000000000EVMCTL(1) ========= NAME ---- evmctl - IMA/EVM signing utility SYNOPSIS -------- evmctl [options] [OPTIONS] DESCRIPTION ----------- The evmctl utility can be used for producing and verifying digital signatures, which are used by Linux kernel integrity subsystem (IMA/EVM). It can be also used to import keys into the kernel keyring. COMMANDS -------- --version help import [--rsa] pubkey keyring sign [-r] [--imahash | --imasig ] [--portable] [--key key] [--pass password] file verify file ima_boot_aggregate [--pcrs hash-algorithm,file] [TPM 1.2 BIOS event log] ima_sign [--sigfile] [--key key] [--pass password] file ima_verify file ima_hash file ima_measurement [--ignore-violations] [--verify-sig [--key "key1, key2, ..."]] [--pcrs [hash-algorithm,]file [--pcrs hash-algorithm,file] ...] file ima_fix [-t fdsxm] path sign_hash [--key key] [--pass password] hmac [--imahash | --imasig ] file OPTIONS ------- -a, --hashalgo sha1, sha224, sha256, sha384, sha512 -s, --imasig make IMA signature -d, --imahash make IMA hash -f, --sigfile store IMA signature in .sig file instead of xattr --xattr-user store xattrs in user namespace (for testing purposes) --rsa use RSA key type and signing scheme v1 -k, --key path to signing key (default: /etc/keys/{privkey,pubkey}_evm.pem) or a pkcs11 URI --keyid n overwrite signature keyid with a 32-bit value in hex (for signing) --keyid-from-cert file read keyid value from SKID of a x509 cert file -o, --portable generate portable EVM signatures -p, --pass password for encrypted signing key -r, --recursive recurse into directories (sign) -t, --type file types to fix 'fxm' (f: file) x - skip fixing if both ima and evm xattrs exist (use with caution) m - stay on the same filesystem (like 'find -xdev') -n print result to stdout instead of setting xattr -u, --uuid use custom FS UUID for EVM (unspecified: from FS, empty: do not use) --smack use extra SMACK xattrs for EVM --m32 force EVM hmac/signature for 32 bit target system --m64 force EVM hmac/signature for 64 bit target system --engine e preload OpenSSL engine e (such as: gost) --pcrs file containing TPM pcrs, one per hash-algorithm/bank --ignore-violations ignore ToMToU measurement violations --verify-sig verify the file signature based on the file hash, both stored in the template data. -v increase verbosity level -h, --help display this help and exit Environment variables: EVMCTL_KEY_PASSWORD : Private key password to use; do not use --pass option INTRODUCTION ------------ Linux kernel integrity subsystem is comprised of a number of different components including the Integrity Measurement Architecture (IMA), Extended Verification Module (EVM), IMA-appraisal extension, digital signature verification extension and audit measurement log support. The evmctl utility is used for producing and verifying digital signatures, which are used by the Linux kernel integrity subsystem. It is also used for importing keys into the kernel keyring. Linux integrity subsystem allows to use IMA and EVM signatures. EVM signature protects file metadata, such as file attributes and extended attributes. IMA signature protects file content. For more detailed information about integrity subsystem it is recommended to follow resources in RESOURCES section. EVM HMAC and signature metadata ------------------------------- EVM protects file metadata by including following attributes into HMAC and signature calculation: inode number, inode generation, UID, GID, file mode, security.selinux, security.SMACK64, security.ima, security.capability. EVM HMAC and signature in may also include additional file and file system attributes. Currently supported additional attributes are filesystem UUID and extra SMACK extended attributes. Kernel configuration option CONFIG_EVM_ATTR_FSUUID controls whether to include filesystem UUID into HMAC and enabled by default. Therefore evmctl also includes fsuuid by default. Providing '--uuid' option without parameter allows to disable usage of fs uuid. Providing '--uuid=UUID' option with parameter allows to use custom UUID. Providing the '--portable' option will disable usage of the fs uuid and also the inode number and generation. Kernel configuration option CONFIG_EVM_EXTRA_SMACK_XATTRS controls whether to include additional SMACK extended attributes into HMAC. They are following: security.SMACK64EXEC, security.SMACK64TRANSMUTE and security.SMACK64MMAP. evmctl '--smack' options enables that. Key and signature formats ------------------------- Linux integrity subsystem supports two type of signature and respectively two key formats. First key format (v1) is pure RSA key encoded in PEM a format and uses own signature format. It is now non-default format and requires to provide evmctl '--rsa' option for signing and importing the key. Second key format uses X509 DER encoded public key certificates and uses asymmetric key support in the kernel (since kernel 3.9). CONFIG_INTEGRITY_ASYMMETRIC_KEYS must be enabled (default). For v2 signatures x509 certificate (containing the public key) could be appended to the private key (they both are in PEM format) to automatically extract keyid from its Subject Key Identifier (SKID). Integrity keyrings ---------------- Integrity subsystem uses dedicated IMA/EVM keyrings to search for signature verification keys - '_ima' and '_evm' respectively. Since 3.13 IMA allows to declare IMA keyring as trusted. It allows only to load keys, signed by a key from the system keyring (.system). It means self-signed keys are not allowed. This is a default behavior unless CONFIG_IMA_TRUSTED_KEYRING is undefined. IMA trusted keyring is has different name '.ima'. Trusted keyring requires X509 public key certificates. Old version RSA public keys are not compatible with trusted keyring. Generate EVM encrypted keys --------------------------- EVM encrypted key is used for EVM HMAC calculation: # create and save the key kernel master key (user type) # LMK is used to encrypt encrypted keys keyctl add user kmk "`dd if=/dev/urandom bs=1 count=32 2>/dev/null`" @u keyctl pipe `keyctl search @u user kmk` > /etc/keys/kmk # create the EVM encrypted key keyctl add encrypted evm-key "new user:kmk 64" @u keyctl pipe `keyctl search @u encrypted evm-key` >/etc/keys/evm-key Generate EVM trusted keys (TPM based) ------------------------------------- Trusted EVM keys are keys which a generate with the help of TPM. They are not related to integrity trusted keys. # create and save the key kernel master key (user type) keyctl add trusted kmk "new 32" @u keyctl pipe `keyctl search @u trusted kmk` >kmk # create the EVM trusted key keyctl add encrypted evm-key "new trusted:kmk 32" @u keyctl pipe `keyctl search @u encrypted evm-key` >evm-key Generate signing and verification keys -------------------------------------- Generate private key in plain text format: openssl genrsa -out privkey_evm.pem 1024 Generate encrypted private key: openssl genrsa -des3 -out privkey_evm.pem 1024 Make encrypted private key from unencrypted: openssl rsa -in /etc/keys/privkey_evm.pem -out privkey_evm_enc.pem -des3 Generate self-signed X509 public key certificate and private key for using kernel asymmetric keys support: openssl req -new -nodes -utf8 -sha1 -days 36500 -batch \ -x509 -config x509_evm.genkey \ -outform DER -out x509_evm.der -keyout privkey_evm.pem Configuration file x509_evm.genkey: # Begining of the file [ req ] default_bits = 1024 distinguished_name = req_distinguished_name prompt = no string_mask = utf8only x509_extensions = myexts [ req_distinguished_name ] O = Magrathea CN = Glacier signing key emailAddress = slartibartfast@magrathea.h2g2 [ myexts ] basicConstraints=critical,CA:FALSE keyUsage=digitalSignature subjectKeyIdentifier=hash authorityKeyIdentifier=keyid # EOF Generate public key for using RSA key format: openssl rsa -pubout -in privkey_evm.pem -out pubkey_evm.pem Copy keys to /etc/keys: cp pubkey_evm.pem /etc/keys scp pubkey_evm.pem target:/etc/keys or cp x509_evm.pem /etc/keys scp x509_evm.pem target:/etc/keys Generate trusted keys --------------------- Generation of trusted keys is a bit more complicated process and involves following steps: * Creation of local IMA certification authority (CA). It consist of private and public key certificate which are used to sign and verify other keys. * Build Linux kernel with embedded local IMA CA X509 certificate. It is used to verify other keys added to the '.ima' trusted keyring * Generate IMA private signing key and verification public key certificate, which is signed using local IMA CA private key. Configuration file ima-local-ca.genkey: # Begining of the file [ req ] default_bits = 2048 distinguished_name = req_distinguished_name prompt = no string_mask = utf8only x509_extensions = v3_ca [ req_distinguished_name ] O = IMA-CA CN = IMA/EVM certificate signing key emailAddress = ca@ima-ca [ v3_ca ] basicConstraints=CA:TRUE subjectKeyIdentifier=hash authorityKeyIdentifier=keyid:always,issuer # keyUsage = cRLSign, keyCertSign # EOF Generate private key and X509 public key certificate: openssl req -new -x509 -utf8 -sha1 -days 3650 -batch -config $GENKEY \ -outform DER -out ima-local-ca.x509 -keyout ima-local-ca.priv Produce X509 in DER format for using while building the kernel: openssl x509 -inform DER -in ima-local-ca.x509 -out ima-local-ca.pem Configuration file ima.genkey: # Begining of the file [ req ] default_bits = 1024 distinguished_name = req_distinguished_name prompt = no string_mask = utf8only x509_extensions = v3_usr [ req_distinguished_name ] O = `hostname` CN = `whoami` signing key emailAddress = `whoami`@`hostname` [ v3_usr ] basicConstraints=critical,CA:FALSE #basicConstraints=CA:FALSE keyUsage=digitalSignature #keyUsage = nonRepudiation, digitalSignature, keyEncipherment subjectKeyIdentifier=hash authorityKeyIdentifier=keyid #authorityKeyIdentifier=keyid,issuer # EOF Generate private key and X509 public key certificate signing request: openssl req -new -nodes -utf8 -sha1 -days 365 -batch -config $GENKEY \ -out csr_ima.pem -keyout privkey_ima.pem Sign X509 public key certificate signing request with local IMA CA private key: openssl x509 -req -in csr_ima.pem -days 365 -extfile $GENKEY -extensions v3_usr \ -CA ima-local-ca.pem -CAkey ima-local-ca.priv -CAcreateserial \ -outform DER -out x509_ima.der Sign file data and metadata --------------------------- Default key locations: Private RSA key: /etc/keys/privkey_evm.pem Public RSA key: /etc/keys/pubkey_evm.pem X509 certificate: /etc/keys/x509_evm.der Options to remember: '-k', '-r', '--rsa', '--uuid', '--smack'. Sign file with EVM signature and calculate hash value for IMA: evmctl sign --imahash test.txt Sign file with both IMA and EVM signatures: evmctl sign --imasig test.txt: Sign file with IMA signature: evmctl ima_sign test.txt Sign recursively whole filesystem: evmctl -r sign --imahash / Fix recursively whole filesystem: evmctl -r ima_fix / Sign filesystem selectively using 'find' command: find / \( -fstype rootfs -o -fstype ext4 \) -exec evmctl sign --imahash '{}' \; Fix filesystem selectively using 'find' command: find / \( -fstype rootfs -o -fstype ext4 \) -exec sh -c "< '{}'" \; Initialize IMA/EVM at early boot -------------------------------- IMA/EVM initialization should be normally done from initial RAM file system before mounting root filesystem. Here is Ubuntu initramfs example script (/etc/initramfs-tools/scripts/local-top/ima.sh) # mount securityfs if not mounted SECFS=/sys/kernel/security grep -q $SECFS /proc/mounts || mount -n -t securityfs securityfs $SECFS # search for IMA trusted keyring, then for untrusted ima_id="`awk '/\.ima/ { printf "%d", "0x"$1; }' /proc/keys`" if [ -z "$ima_id" ]; then ima_id=`keyctl search @u keyring _ima 2>/dev/null` if [ -z "$ima_id" ]; then ima_id=`keyctl newring _ima @u` fi fi # import IMA X509 certificate evmctl import /etc/keys/x509_ima.der $ima_id # search for EVM keyring evm_id=`keyctl search @u keyring _evm 2>/dev/null` if [ -z "$evm_id" ]; then evm_id=`keyctl newring _evm @u` fi # import EVM X509 certificate evmctl import /etc/keys/x509_evm.der $evm_id # a) import EVM encrypted key cat /etc/keys/kmk | keyctl padd user kmk @u keyctl add encrypted evm-key "load `cat /etc/keys/evm-key`" @u # OR # b) import EVM trusted key keyctl add trusted kmk "load `cat /etc/keys/kmk`" @u keyctl add encrypted evm-key "load `cat /etc/keys/evm-key`" @u # enable EVM echo "1" > /sys/kernel/security/evm Optionally it is possible also to forbid adding, removing of new public keys and certificates into keyrings and revoking keys using 'keyctl setperm' command: # protect EVM keyring keyctl setperm $evm_id 0x0b0b0000 # protect IMA keyring keyctl setperm $ima_id 0x0b0b0000 # protecting IMA key from revoking (against DoS) ima_key=`evmctl import /etc/keys/x509_ima.der $ima_id` keyctl setperm $ima_key 0x0b0b0000 When using plain RSA public keys in PEM format, use 'evmctl import --rsa' for importing keys: evmctl import --rsa /etc/keys/pubkey_evm.pem $evm_id Latest version of keyctl allows to import X509 public key certificates: cat /etc/keys/x509_ima.der | keyctl padd asymmetric '' $ima_id FILES ----- Examples of scripts to generate X509 public key certificates: /usr/share/doc/ima-evm-utils/ima-genkey-self.sh /usr/share/doc/ima-evm-utils/ima-genkey.sh /usr/share/doc/ima-evm-utils/ima-gen-local-ca.sh AUTHOR ------ Written by Dmitry Kasatkin, and others. RESOURCES --------- http://sourceforge.net/p/linux-ima/wiki/Home http://sourceforge.net/p/linux-ima/ima-evm-utils COPYING ------- Copyright \(C) 2012 - 2014 Linux Integrity Project. Free use of this software is granted under the terms of the GNU Public License (GPL). ima-evm-utils-1.4/acinclude.m4000066400000000000000000000006231414054773100162470ustar00rootroot00000000000000 AC_DEFUN([PKG_ARG_ENABLE], [ AC_MSG_CHECKING(whether to enable $1) AC_ARG_ENABLE([$1], AC_HELP_STRING([--enable-$1], [enable $1 (default is $2)]), [pkg_cv_enable_$1=$enableval], [AC_CACHE_VAL([pkg_cv_enable_$1], [pkg_cv_enable_$1=$2])]) if test $pkg_cv_enable_$1 = yes; then AC_DEFINE([$3],, [$4]) fi AC_MSG_RESULT([$pkg_cv_enable_$1]) AM_CONDITIONAL($3, test $pkg_cv_enable_$1 = yes) ]) ima-evm-utils-1.4/autogen.sh000077500000000000000000000000411414054773100160510ustar00rootroot00000000000000#! /bin/sh set -e autoreconf -i ima-evm-utils-1.4/build-static.sh000077500000000000000000000001611414054773100167760ustar00rootroot00000000000000#!/bin/sh gcc -static -o evmctl.static -include config.h src/evmctl.c src/libimaevm.c -lcrypto -lkeyutils -ldl ima-evm-utils-1.4/build.sh000077500000000000000000000041131414054773100155120ustar00rootroot00000000000000#!/bin/sh # Copyright (c) 2020 Petr Vorel set -e CC="${CC:-gcc}" CFLAGS="${CFLAGS:--Wformat -Werror=format-security -Werror=implicit-function-declaration -Werror=return-type -fno-common}" PREFIX="${PREFIX:-$HOME/ima-evm-utils-install}" export LD_LIBRARY_PATH="$PREFIX/lib64:$PREFIX/lib:/usr/local/lib64:/usr/local/lib" export PATH="$PREFIX/bin:/usr/local/bin:$PATH" title() { echo "===== $1 =====" } log_exit() { local ret="${3:-$?}" local log="$1" local msg="$2" local prefix echo "=== $log ===" [ $ret -eq 0 ] || prefix="FAIL: " cat $log echo echo "$prefix$msg, see output of $log above" exit $ret } cd `dirname $0` case "$VARIANT" in i386) echo "32-bit compilation" export CFLAGS="-m32 $CFLAGS" LDFLAGS="-m32 $LDFLAGS" export PKG_CONFIG_LIBDIR=/usr/lib/i386-linux-gnu/pkgconfig ;; cross-compile) host="${CC%-gcc}" export CROSS_COMPILE="${host}-" host="--host=$host" echo "cross compilation: $host" echo "CROSS_COMPILE: '$CROSS_COMPILE'" ;; *) if [ "$VARIANT" ]; then echo "Wrong VARIANT: '$VARIANT'" >&2 exit 1 fi echo "native build" ;; esac title "compiler version" $CC --version echo "CFLAGS: '$CFLAGS'" echo "LDFLAGS: '$LDFLAGS'" echo "PREFIX: '$PREFIX'" title "configure" ./autogen.sh ./configure --prefix=$PREFIX $host || log_exit config.log "configure failed" title "make" make -j$(nproc) make install title "test" if [ "$VARIANT" = "cross-compile" ]; then echo "skip make check on cross compilation" exit 0 fi ret=0 VERBOSE=1 make check || ret=$? title "logs" if [ $ret -eq 0 ]; then if [ -f tests/ima_hash.log ]; then tail -3 tests/ima_hash.log grep "skipped" tests/ima_hash.log && \ grep "skipped" tests/ima_hash.log | wc -l fi if [ -f tests/sign_verify.log ]; then tail -3 tests/sign_verify.log grep "skipped" tests/sign_verify.log && \ grep "skipped" tests/sign_verify.log | wc -l fi tail -20 tests/boot_aggregate.log exit 0 fi cat tests/test-suite.log if [ $ret -eq 77 ]; then msg="WARN: some tests skipped" ret=0 else msg="FAIL: tests exited: $ret" fi log_exit tests/test-suite.log "$msg" $ret ima-evm-utils-1.4/ci/000077500000000000000000000000001414054773100144505ustar00rootroot00000000000000ima-evm-utils-1.4/ci/alpine.sh000077500000000000000000000013601414054773100162570ustar00rootroot00000000000000#!/bin/sh # Copyright (c) 2020 Petr Vorel set -ex if [ -z "$CC" ]; then echo "missing \$CC!" >&2 exit 1 fi case "$TSS" in ibmtss) echo "No IBM TSS package, will be installed from git" >&2; TSS=;; tpm2-tss) TSS="tpm2-tss-dev";; '') echo "Missing TSS!" >&2; exit 1;; *) echo "Unsupported TSS: '$TSS'!" >&2; exit 1;; esac # ibmswtpm2 requires gcc [ "$CC" = "gcc" ] || CC="gcc $CC" apk update apk add \ $CC $TSS \ asciidoc \ attr \ attr-dev \ autoconf \ automake \ diffutils \ docbook-xml \ docbook-xsl \ keyutils-dev \ libtool \ libxslt \ linux-headers \ make \ musl-dev \ openssl \ openssl-dev \ pkgconfig \ procps \ sudo \ wget \ which \ xxd if [ ! "$TSS" ]; then apk add git ../tests/install-tss.sh fi ima-evm-utils-1.4/ci/alt.sh000077500000000000000000000007351414054773100155740ustar00rootroot00000000000000#!/bin/sh -ex # SPDX-License-Identifier: GPL-2.0-only # # Install build env for ALT Linux apt-get update -y # rpm-build brings basic build environment with gcc, make, autotools, etc. apt-get install -y \ $CC \ $TSS \ asciidoc \ attr \ docbook-style-xsl \ gnutls-utils \ libattr-devel \ libkeyutils-devel \ libp11 \ libssl-devel \ openssl \ openssl-gost-engine \ rpm-build \ softhsm \ wget \ xsltproc \ xxd \ && control openssl-gost enabled ima-evm-utils-1.4/ci/centos.sh000077700000000000000000000000001414054773100200662fedora.shustar00rootroot00000000000000ima-evm-utils-1.4/ci/debian.cross-compile.sh000077500000000000000000000006721414054773100210140ustar00rootroot00000000000000#!/bin/sh # Copyright (c) 2020 Petr Vorel set -ex if [ -z "$ARCH" ]; then echo "missing \$ARCH!" >&2 exit 1 fi case "$ARCH" in arm64) gcc_arch="aarch64";; ppc64el) gcc_arch="powerpc64le";; s390x) gcc_arch="$ARCH";; *) echo "unsupported arch: '$ARCH'!" >&2; exit 1;; esac dpkg --add-architecture $ARCH apt update apt install -y --no-install-recommends \ dpkg-dev \ gcc-${gcc_arch}-linux-gnu \ libc6-dev-${ARCH}-cross ima-evm-utils-1.4/ci/debian.i386.sh000077500000000000000000000003161414054773100167210ustar00rootroot00000000000000#!/bin/sh # Copyright (c) 2020 Petr Vorel set -ex dpkg --add-architecture i386 apt update apt install -y --no-install-recommends \ linux-libc-dev:i386 \ gcc-multilib \ pkg-config:i386 ima-evm-utils-1.4/ci/debian.sh000077500000000000000000000016331414054773100162340ustar00rootroot00000000000000#!/bin/sh # Copyright (c) 2020 Petr Vorel set -ex if [ -z "$CC" ]; then echo "missing \$CC!" >&2 exit 1 fi # debian.*.sh must be run first if [ "$ARCH" ]; then ARCH=":$ARCH" unset CC else apt update fi # ibmswtpm2 requires gcc [ "$CC" = "gcc" ] || CC="gcc $CC" case "$TSS" in ibmtss) TSS="libtss-dev";; tpm2-tss) TSS="libtss2-dev";; '') echo "Missing TSS!" >&2; exit 1;; *) [ "$TSS" ] && echo "Unsupported TSS: '$TSS'!" >&2; exit 1;; esac apt="apt install -y --no-install-recommends" $apt \ $CC $TSS \ asciidoc \ attr \ autoconf \ automake \ diffutils \ debianutils \ docbook-xml \ docbook-xsl \ gzip \ libattr1-dev$ARCH \ libkeyutils-dev$ARCH \ libssl-dev$ARCH \ libtool \ make \ openssl \ pkg-config \ procps \ sudo \ wget \ xsltproc $apt xxd || $apt vim-common $apt libengine-gost-openssl1.1$ARCH || true $apt softhsm gnutls-bin libengine-pkcs11-openssl1.1$ARCH || true ima-evm-utils-1.4/ci/fedora.sh000077500000000000000000000015461414054773100162550ustar00rootroot00000000000000#!/bin/sh # Copyright (c) 2020 Petr Vorel set -e if [ -z "$CC" ]; then echo "missing \$CC!" >&2 exit 1 fi case "$TSS" in ibmtss) TSS="tss2-devel";; tpm2-tss) TSS="tpm2-tss-devel";; '') echo "Missing TSS!" >&2; exit 1;; *) echo "Unsupported TSS: '$TSS'!" >&2; exit 1;; esac # ibmswtpm2 requires gcc [ "$CC" = "gcc" ] || CC="gcc $CC" yum -y install \ $CC $TSS \ asciidoc \ attr \ autoconf \ automake \ diffutils \ docbook-xsl \ gnutls-utils \ gzip \ keyutils-libs-devel \ libattr-devel \ libtool \ libxslt \ make \ openssl \ openssl-devel \ openssl-pkcs11 \ pkg-config \ procps \ sudo \ vim-common \ wget \ which yum -y install docbook5-style-xsl || true yum -y install swtpm || true # SoftHSM is available via EPEL on CentOS if [ -f /etc/centos-release ]; then yum -y install epel-release fi yum -y install softhsm || trueima-evm-utils-1.4/ci/opensuse.sh000077700000000000000000000000001414054773100213312tumbleweed.shustar00rootroot00000000000000ima-evm-utils-1.4/ci/tumbleweed.sh000077500000000000000000000017061414054773100171500ustar00rootroot00000000000000#!/bin/sh # Copyright (c) 2020 Petr Vorel set -ex if [ -z "$CC" ]; then echo "missing \$CC!" >&2 exit 1 fi case "$TSS" in ibmtss) TSS="ibmtss-devel";; tpm2-tss) TSS="tpm2-0-tss-devel";; '') echo "Missing TSS!" >&2; exit 1;; *) echo "Unsupported TSS: '$TSS'!" >&2; exit 1;; esac # clang has some gcc dependency [ "$CC" = "gcc" ] || CC="gcc $CC" zypper --non-interactive install --force-resolution --no-recommends \ $CC $TSS \ asciidoc \ attr \ autoconf \ automake \ diffutils \ docbook_5 \ docbook5-xsl-stylesheets \ gzip \ ibmswtpm2 \ keyutils-devel \ libattr-devel \ libopenssl-devel \ libtool \ make \ openssl \ pkg-config \ procps \ sudo \ vim \ wget \ which \ xsltproc zypper --non-interactive install --force-resolution --no-recommends \ gnutls openssl-engine-libp11 softhsm || true if [ -f /usr/lib/ibmtss/tpm_server -a ! -e /usr/local/bin/tpm_server ]; then ln -s /usr/lib/ibmtss/tpm_server /usr/local/bin fi ima-evm-utils-1.4/ci/ubuntu.sh000077700000000000000000000000001414054773100200772debian.shustar00rootroot00000000000000ima-evm-utils-1.4/configure.ac000066400000000000000000000053651414054773100163540ustar00rootroot00000000000000# autoconf script AC_PREREQ([2.65]) AC_INIT(ima-evm-utils, 1.4, zohar@linux.ibm.com) AM_INIT_AUTOMAKE([foreign]) AC_CONFIG_HEADERS([config.h]) AC_CONFIG_MACRO_DIR([m4]) AC_CANONICAL_HOST AC_USE_SYSTEM_EXTENSIONS # Checks for programs. AC_PROG_CC AM_PROG_CC_C_O #AC_PROG_CXX #AC_PROG_CPP AC_PROG_INSTALL AC_PROG_LIBTOOL #AC_PROG_LN_S LT_INIT # FIXME: Replace `main' with a function in `-lpthread': #AC_CHECK_LIB([pthread], [main]) # Checks for header files. AC_HEADER_STDC PKG_CHECK_MODULES(LIBCRYPTO, [libcrypto >= 0.9.8 ]) AC_SUBST(KERNEL_HEADERS) AC_CHECK_HEADER(unistd.h) AC_CHECK_HEADERS(openssl/conf.h) # Intel TSS AC_CHECK_LIB([tss2-esys], [Esys_Free]) AC_CHECK_LIB([tss2-rc], [Tss2_RC_Decode]) AM_CONDITIONAL([USE_PCRTSS], [test "x$ac_cv_lib_tss2_esys_Esys_Free" = "xyes"]) # IBM TSS include files AC_CHECK_HEADER(ibmtss/tss.h, [], [], [[#define TPM_POSIX]]) AM_CONDITIONAL([USE_IBMTSS], [test "x$ac_cv_header_ibmtss_tss_h" = "xyes"]) AC_CHECK_HEADERS(sys/xattr.h, , [AC_MSG_ERROR([sys/xattr.h header not found. You need the c-library development package.])]) AC_CHECK_HEADERS(keyutils.h, , [AC_MSG_ERROR([keyutils.h header not found. You need the libkeyutils development package.])]) AC_ARG_WITH(kernel_headers, [AS_HELP_STRING([--with-kernel-headers=PATH], [specifies the Linux kernel-headers package location or kernel root directory you want to use])], [KERNEL_HEADERS="$withval"], [KERNEL_HEADERS=/lib/modules/$(uname -r)/source]) AC_ARG_ENABLE([openssl_conf], [AS_HELP_STRING([--disable-openssl-conf], [disable loading of openssl config by evmctl])], [if test "$enable_openssl_conf" = "no"; then AC_DEFINE(DISABLE_OPENSSL_CONF, 1, [Define to disable loading of openssl config by evmctl.]) fi], [enable_openssl_conf=yes]) #debug support - yes for a while PKG_ARG_ENABLE(debug, "yes", DEBUG, [Enable Debug support]) if test $pkg_cv_enable_debug = yes; then CFLAGS="$CFLAGS -g -O1 -Wall -Wstrict-prototypes -pipe" else CFLAGS="$CFLAGS -Wall -Wstrict-prototypes -pipe -fomit-frame-pointer" fi EVMCTL_MANPAGE_DOCBOOK_XSL AX_DEFAULT_HASH_ALGO([$KERNEL_HEADERS]) # for gcov #CFLAGS="$CFLAGS -Wall -fprofile-arcs -ftest-coverage" #CXXFLAGS="$CXXFLAGS -Wall -fprofile-arcs -ftest-coverage" #LDFLAGS="$LDFLAGS -fprofile-arcs" #DISTCLEANFILES="*.gcno *.gcda" AC_CONFIG_FILES([Makefile src/Makefile tests/Makefile packaging/ima-evm-utils.spec ]) AC_OUTPUT # Give some feedback echo echo echo "Configuration:" echo " debug: $pkg_cv_enable_debug" echo " default-hash: $HASH_ALGO" echo " openssl-conf: $enable_openssl_conf" echo " tss2-esys: $ac_cv_lib_tss2_esys_Esys_Free" echo " tss2-rc-decode: $ac_cv_lib_tss2_rc_Tss2_RC_Decode" echo " ibmtss: $ac_cv_header_ibmtss_tss_h" echo " doc: $have_doc" echo ima-evm-utils-1.4/examples/000077500000000000000000000000001414054773100156735ustar00rootroot00000000000000ima-evm-utils-1.4/examples/ima-gen-local-ca.sh000077500000000000000000000012111414054773100212130ustar00rootroot00000000000000#!/bin/sh GENKEY=ima-local-ca.genkey cat << __EOF__ >$GENKEY [ req ] default_bits = 2048 distinguished_name = req_distinguished_name prompt = no string_mask = utf8only x509_extensions = v3_ca [ req_distinguished_name ] O = IMA-CA CN = IMA/EVM certificate signing key emailAddress = ca@ima-ca [ v3_ca ] basicConstraints=CA:TRUE subjectKeyIdentifier=hash authorityKeyIdentifier=keyid:always,issuer # keyUsage = cRLSign, keyCertSign __EOF__ openssl req -new -x509 -utf8 -sha1 -days 3650 -batch -config $GENKEY \ -outform DER -out ima-local-ca.x509 -keyout ima-local-ca.priv openssl x509 -inform DER -in ima-local-ca.x509 -out ima-local-ca.pem ima-evm-utils-1.4/examples/ima-genkey-self.sh000077500000000000000000000011651414054773100212120ustar00rootroot00000000000000#!/bin/sh GENKEY=x509_evm.genkey cat << __EOF__ >$GENKEY [ req ] default_bits = 1024 distinguished_name = req_distinguished_name prompt = no string_mask = utf8only x509_extensions = myexts [ req_distinguished_name ] O = `hostname` CN = `whoami` signing key emailAddress = `whoami`@`hostname` [ myexts ] basicConstraints=critical,CA:FALSE keyUsage=digitalSignature subjectKeyIdentifier=hash authorityKeyIdentifier=keyid __EOF__ openssl req -x509 -new -nodes -utf8 -sha1 -days 3650 -batch -config $GENKEY \ -outform DER -out x509_evm.der -keyout privkey_evm.pem openssl rsa -pubout -in privkey_evm.pem -out pubkey_evm.pem ima-evm-utils-1.4/examples/ima-genkey.sh000077500000000000000000000015211414054773100202570ustar00rootroot00000000000000#!/bin/sh GENKEY=ima.genkey cat << __EOF__ >$GENKEY [ req ] default_bits = 1024 distinguished_name = req_distinguished_name prompt = no string_mask = utf8only x509_extensions = v3_usr [ req_distinguished_name ] O = `hostname` CN = `whoami` signing key emailAddress = `whoami`@`hostname` [ v3_usr ] basicConstraints=critical,CA:FALSE #basicConstraints=CA:FALSE keyUsage=digitalSignature #keyUsage = nonRepudiation, digitalSignature, keyEncipherment subjectKeyIdentifier=hash authorityKeyIdentifier=keyid #authorityKeyIdentifier=keyid,issuer __EOF__ openssl req -new -nodes -utf8 -sha1 -days 365 -batch -config $GENKEY \ -out csr_ima.pem -keyout privkey_ima.pem openssl x509 -req -in csr_ima.pem -days 365 -extfile $GENKEY -extensions v3_usr \ -CA ima-local-ca.pem -CAkey ima-local-ca.priv -CAcreateserial \ -outform DER -out x509_ima.der ima-evm-utils-1.4/m4/000077500000000000000000000000001414054773100143755ustar00rootroot00000000000000ima-evm-utils-1.4/m4/default-hash-algo.m4000066400000000000000000000023131414054773100201230ustar00rootroot00000000000000dnl Copyright (c) 2021 Bruno Meneguele dnl Check hash algorithm availability in the kernel dnl dnl $1 - $KERNEL_HEADERS AC_DEFUN([AX_DEFAULT_HASH_ALGO], [ HASH_INFO_HEADER="$1/include/uapi/linux/hash_info.h" AC_ARG_WITH([default_hash], AS_HELP_STRING([--with-default-hash=ALGORITHM], [specifies the default hash algorithm to be used]), [HASH_ALGO=$withval], [HASH_ALGO=sha256]) AC_PROG_SED() HASH_ALGO="$(echo $HASH_ALGO | $SED 's/\(.*\)/\L\1\E/')" AC_CHECK_HEADER([$HASH_INFO_HEADER], [HAVE_HASH_INFO_HEADER=yes], [AC_MSG_WARN([$HASH_INFO_HEADER not found.])]) if test "x$HAVE_HASH_INFO_HEADER" = "x"; then AC_MSG_RESULT([using $HASH_ALGO algorithm as default hash algorith]) AC_DEFINE_UNQUOTED(DEFAULT_HASH_ALGO, "$HASH_ALGO", [Define default hash algorithm]) else AC_PROG_GREP() $SED -n 's/HASH_ALGO_\(.*\),/\L\1\E/p' $HASH_INFO_HEADER | $GREP -w $HASH_ALGO > /dev/null have_hash=$? if test $have_hash -ne 0; then AC_MSG_ERROR([$HASH_ALGO algorithm specified, but not provided by the kernel], 1) else AC_MSG_NOTICE([using $HASH_ALGO as default hash algorithm]) AC_DEFINE_UNQUOTED(DEFAULT_HASH_ALGO, "$HASH_ALGO", [Define default hash algorithm]) fi fi ]) ima-evm-utils-1.4/m4/manpage-docbook-xsl.m4000066400000000000000000000031101414054773100204640ustar00rootroot00000000000000dnl Copyright (c) 2018-2020 Petr Vorel dnl Find docbook manpage stylesheet AC_DEFUN([EVMCTL_MANPAGE_DOCBOOK_XSL], [ DOCBOOK_XSL_URI="http://docbook.sourceforge.net/release/xsl/current" DOCBOOK_XSL_PATH="manpages/docbook.xsl" AC_PATH_PROGS(XMLCATALOG, xmlcatalog) AC_ARG_WITH([xml-catalog], AC_HELP_STRING([--with-xml-catalog=CATALOG], [path to xml catalog to use]),, [with_xml_catalog=/etc/xml/catalog]) XML_CATALOG_FILE="$with_xml_catalog" AC_SUBST([XML_CATALOG_FILE]) if test "x${XMLCATALOG}" = "x"; then AC_MSG_WARN([xmlcatalog not found, cannot search for $DOCBOOK_XSL_PATH]) else AC_MSG_CHECKING([for XML catalog ($XML_CATALOG_FILE)]) if test -f "$XML_CATALOG_FILE"; then have_xmlcatalog_file=yes AC_MSG_RESULT([found]) else AC_MSG_RESULT([not found, cannot search for $DOCBOOK_XSL_PATH]) fi fi if test "x${XMLCATALOG}" != "x" -a "x$have_xmlcatalog_file" = "xyes"; then MANPAGE_DOCBOOK_XSL=$(${XMLCATALOG} ${XML_CATALOG_FILE} ${DOCBOOK_XSL_URI}/${DOCBOOK_XSL_PATH} | sed 's|^file:/\+|/|') fi if test "x${MANPAGE_DOCBOOK_XSL}" = "x"; then MANPAGE_DOCBOOK_XSL="/usr/share/xml/docbook/stylesheet/docbook-xsl/manpages/docbook.xsl" AC_MSG_WARN([trying a default path for $DOCBOOK_XSL_PATH]) fi if test -f "$MANPAGE_DOCBOOK_XSL"; then have_doc=yes AC_MSG_NOTICE([using $MANPAGE_DOCBOOK_XSL for generating doc]) else AC_MSG_WARN([$DOCBOOK_XSL_PATH not found, generating doc will be skipped]) MANPAGE_DOCBOOK_XSL= have_doc=no fi AM_CONDITIONAL(MANPAGE_DOCBOOK_XSL, test "x$have_doc" = xyes) AC_SUBST(MANPAGE_DOCBOOK_XSL) ]) ima-evm-utils-1.4/packaging/000077500000000000000000000000001414054773100160015ustar00rootroot00000000000000ima-evm-utils-1.4/packaging/ima-evm-utils.spec000066400000000000000000000015221414054773100213460ustar00rootroot00000000000000Name: ima-evm-utils Version: 1.4 Release: 1%{?dist} Summary: ima-evm-utils - IMA/EVM control utility Group: System/Libraries License: GPLv2 #URL: Source0: %{name}-%{version}.tar.gz BuildRoot: %{_tmppath}/%{name}-%{version}-%{release}-root BuildRequires: autoconf BuildRequires: automake BuildRequires: openssl-devel BuildRequires: keyutils-libs-devel %description This package provide IMA/EVM control utility %prep %setup -q %build ./autogen.sh %configure --prefix=/usr make %install rm -rf %{buildroot} make DESTDIR=%{buildroot} install %clean rm -rf %{buildroot} %post /sbin/ldconfig exit 0 %preun -p /sbin/ldconfig %postun /sbin/ldconfig %files %defattr(-,root,root,-) %{_bindir}/* %{_libdir}/libimaevm.* %{_includedir}/* %changelog * Thu Apr 05 2012 Dmitry Kasatkin - Initial RPM spec file ima-evm-utils-1.4/packaging/ima-evm-utils.spec.in000066400000000000000000000015421414054773100217550ustar00rootroot00000000000000Name: @PACKAGE_NAME@ Version: @PACKAGE_VERSION@ Release: 1%{?dist} Summary: @PACKAGE_NAME@ - IMA/EVM control utility Group: System/Libraries License: GPLv2 #URL: Source0: %{name}-%{version}.tar.gz BuildRoot: %{_tmppath}/%{name}-%{version}-%{release}-root BuildRequires: autoconf BuildRequires: automake BuildRequires: openssl-devel BuildRequires: keyutils-libs-devel %description This package provide IMA/EVM control utility %prep %setup -q %build ./autogen.sh %configure --prefix=/usr make %install rm -rf %{buildroot} make DESTDIR=%{buildroot} install %clean rm -rf %{buildroot} %post /sbin/ldconfig exit 0 %preun -p /sbin/ldconfig %postun /sbin/ldconfig %files %defattr(-,root,root,-) %{_bindir}/* %{_libdir}/libimaevm.* %{_includedir}/* %changelog * Thu Apr 05 2012 Dmitry Kasatkin - Initial RPM spec file ima-evm-utils-1.4/src/000077500000000000000000000000001414054773100146445ustar00rootroot00000000000000ima-evm-utils-1.4/src/.gitignore000066400000000000000000000000341414054773100166310ustar00rootroot00000000000000hash_info.h tmp_hash_info.h ima-evm-utils-1.4/src/Makefile.am000066400000000000000000000020711414054773100167000ustar00rootroot00000000000000lib_LTLIBRARIES = libimaevm.la libimaevm_la_SOURCES = libimaevm.c libimaevm_la_CPPFLAGS = $(AM_CPPFLAGS) $(LIBCRYPTO_CFLAGS) # current[:revision[:age]] # result: [current-age].age.revision libimaevm_la_LDFLAGS = -version-info 3:0:0 libimaevm_la_LIBADD = $(LIBCRYPTO_LIBS) include_HEADERS = imaevm.h nodist_libimaevm_la_SOURCES = hash_info.h BUILT_SOURCES = hash_info.h EXTRA_DIST = hash_info.gen hash_info.h: Makefile $(srcdir)/hash_info.gen $(KERNEL_HEADERS) >$@ bin_PROGRAMS = evmctl evmctl_SOURCES = evmctl.c utils.c evmctl_CPPFLAGS = $(AM_CPPFLAGS) $(LIBCRYPTO_CFLAGS) evmctl_LDFLAGS = $(LDFLAGS_READLINE) evmctl_LDADD = $(LIBCRYPTO_LIBS) -lkeyutils libimaevm.la # USE_PCRTSS uses the Intel TSS if USE_PCRTSS evmctl_SOURCES += pcr_tss.c # USE_IBMTSS uses the IBM TSS else if USE_IBMTSS evmctl_SOURCES += pcr_ibmtss.c evmctl_LDADD += -libmtss # uses the IBM TSS command line utilities else evmctl_SOURCES += pcr_tsspcrread.c endif endif AM_CPPFLAGS = -I$(top_srcdir) -include config.h CLEANFILES = hash_info.h tmp_hash_info.h DISTCLEANFILES = @DISTCLEANFILES@ ima-evm-utils-1.4/src/evmctl.c000066400000000000000000002034531414054773100163110ustar00rootroot00000000000000/* * ima-evm-utils - IMA/EVM support utilities * * Copyright (C) 2011 Nokia Corporation * Copyright (C) 2011,2012,2013 Intel Corporation * Copyright (C) 2013,2014 Samsung Electronics * * Authors: * Dmitry Kasatkin * * * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * version 2 as published by the Free Software Foundation. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program. If not, see . * * As a special exception, the copyright holders give permission to link the * code of portions of this program with the OpenSSL library under certain * conditions as described in each individual source file and distribute * linked combinations including the program with the OpenSSL library. You * must comply with the GNU General Public License in all respects * for all of the code used other than as permitted herein. If you modify * file(s) with this exception, you may extend this exception to your * version of the file(s), but you are not obligated to do so. If you do not * wish to do so, delete this exception statement from your version. If you * delete this exception statement from all source files in the program, * then also delete it in the license file. * * File: evmctl.c * IMA/EVM control program */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include "hash_info.h" #include "pcr.h" #include "utils.h" #ifndef XATTR_APPAARMOR_SUFFIX #define XATTR_APPARMOR_SUFFIX "apparmor" #define XATTR_NAME_APPARMOR XATTR_SECURITY_PREFIX XATTR_APPARMOR_SUFFIX #endif #define USE_FPRINTF #include "imaevm.h" static char *evm_default_xattrs[] = { XATTR_NAME_SELINUX, XATTR_NAME_SMACK, XATTR_NAME_APPARMOR, XATTR_NAME_IMA, XATTR_NAME_CAPS, NULL }; static char *evm_extra_smack_xattrs[] = { XATTR_NAME_SELINUX, XATTR_NAME_SMACK, XATTR_NAME_SMACKEXEC, XATTR_NAME_SMACKTRANSMUTE, XATTR_NAME_SMACKMMAP, XATTR_NAME_APPARMOR, XATTR_NAME_IMA, XATTR_NAME_CAPS, NULL }; static char **evm_config_xattrnames = evm_default_xattrs; struct command { char *name; int (*func)(struct command *cmd); int cmd; char *arg; char *msg; /* extra info message */ }; static int g_argc; static char **g_argv; static int xattr = 1; static bool check_xattr; static int sigdump; static int digest; static int digsig; static int sigfile; static char *uuid_str; static char *ino_str; static char *uid_str; static char *gid_str; static char *mode_str; static char *generation_str; static char *caps_str; static char *ima_str; static char *selinux_str; static char *search_type; static char *verify_bank; static int verify_list_sig; static int recursive; static int msize; static dev_t fs_dev; static bool evm_immutable; static bool evm_portable; #define HMAC_FLAG_NO_UUID 0x0001 #define HMAC_FLAG_CAPS_SET 0x0002 static unsigned long hmac_flags; typedef int (*find_cb_t)(const char *path); static int find(const char *path, int dts, find_cb_t func); #define REG_MASK (1 << DT_REG) struct command cmds[]; static void print_usage(struct command *cmd); static const char *xattr_ima = "security.ima"; static const char *xattr_evm = "security.evm"; struct tpm_bank_info { int digest_size; int supported; const char *algo_name; uint8_t digest[MAX_DIGEST_SIZE]; uint8_t pcr[NUM_PCRS][MAX_DIGEST_SIZE]; }; /* One --pcrs file per hash-algorithm/bank */ #define MAX_PCRFILE 2 static char *pcrfile[MAX_PCRFILE]; static unsigned npcrfile; static int bin2file(const char *file, const char *ext, const unsigned char *data, int len) { FILE *fp; char name[strlen(file) + (ext ? strlen(ext) : 0) + 2]; int err; if (ext) sprintf(name, "%s.%s", file, ext); else sprintf(name, "%s", file); log_info("Writing to %s\n", name); fp = fopen(name, "w"); if (!fp) { log_err("Failed to open: %s\n", name); return -1; } err = fwrite(data, len, 1, fp); fclose(fp); return err; } static unsigned char *file2bin(const char *file, const char *ext, int *size) { FILE *fp; size_t len; unsigned char *data; char name[strlen(file) + (ext ? strlen(ext) : 0) + 2]; struct stat stats; if (ext) sprintf(name, "%s.%s", file, ext); else sprintf(name, "%s", file); log_info("Reading to %s\n", name); fp = fopen(name, "r"); if (!fp) { log_err("Failed to open: %s\n", name); return NULL; } if (fstat(fileno(fp), &stats) == -1) { log_err("Failed to fstat: %s (%s)\n", name, strerror(errno)); fclose(fp); return NULL; } len = stats.st_size; data = malloc(len); if (!data) { log_err("Failed to malloc %zu bytes: %s\n", len, name); fclose(fp); return NULL; } if (fread(data, len, 1, fp) != 1) { log_err("Failed to fread %zu bytes: %s\n", len, name); fclose(fp); free(data); return NULL; } fclose(fp); *size = (int)len; return data; } static int find_xattr(const char *list, int list_size, const char *xattr) { int len; for (; list_size > 0; len++, list_size -= len, list += len) { len = strlen(list); if (!strcmp(list, xattr)) return 1; } return 0; } #define hex_asc_lo(x) hex_asc[((x) & 0x0f)] #define hex_asc_hi(x) hex_asc[((x) & 0xf0) >> 4] const char hex_asc[] = "0123456789abcdef"; /* this is faster than fprintf - makes sense? */ static void bin2hex(uint8_t *buf, size_t buflen, FILE *stream) { char asciihex[2]; for (; buflen--; buf++) { asciihex[0] = hex_asc_hi(*buf); asciihex[1] = hex_asc_lo(*buf); fwrite(asciihex, 2, 1, stream); } } static int pack_uuid(const char *uuid_str, char *uuid) { int i; char *to = uuid; for (i = 0; i < 16; ++i) { if (!uuid_str[0] || !uuid_str[1]) { log_err("wrong UUID format\n"); return -1; } *to++ = (hex_to_bin(*uuid_str) << 4) | (hex_to_bin(*(uuid_str + 1))); uuid_str += 2; switch (i) { case 3: case 5: case 7: case 9: if (*uuid_str != '-') { log_err("wrong UUID format\n"); return -1; } uuid_str++; continue; } } log_info("uuid: "); log_dump(uuid, 16); return 0; } static int get_uuid(struct stat *st, char *uuid) { uint32_t dev; unsigned minor, major; char path[PATH_MAX], _uuid[37]; FILE *fp; size_t len; if (uuid_str) return pack_uuid(uuid_str, uuid); dev = st->st_dev; major = (dev & 0xfff00) >> 8; minor = (dev & 0xff) | ((dev >> 12) & 0xfff00); log_debug("dev: %u:%u\n", major, minor); sprintf(path, "blkid -s UUID -o value /dev/block/%u:%u", major, minor); fp = popen(path, "r"); if (!fp) goto err; len = fread(_uuid, 1, sizeof(_uuid), fp); pclose(fp); if (len != sizeof(_uuid)) goto err; return pack_uuid(_uuid, uuid); err: log_err("Failed to read UUID. Root access might require.\n"); return -1; } static int calc_evm_hash(const char *file, unsigned char *hash) { const EVP_MD *md; struct stat st; int err; uint32_t generation = 0; EVP_MD_CTX *pctx; unsigned int mdlen; char **xattrname; char xattr_value[1024]; char list[1024]; ssize_t list_size; char uuid[16]; struct h_misc_64 hmac_misc; int hmac_size; #if OPENSSL_VERSION_NUMBER < 0x10100000 EVP_MD_CTX ctx; pctx = &ctx; #else pctx = EVP_MD_CTX_new(); #endif if (lstat(file, &st)) { log_err("Failed to stat: %s\n", file); return -1; } if (generation_str) generation = strtoul(generation_str, NULL, 10); if (ino_str) st.st_ino = strtoul(ino_str, NULL, 10); if (uid_str) st.st_uid = strtoul(uid_str, NULL, 10); if (gid_str) st.st_gid = strtoul(gid_str, NULL, 10); if (mode_str) st.st_mode = strtoul(mode_str, NULL, 10); if (!evm_immutable) { if (S_ISREG(st.st_mode) && !generation_str) { int fd = open(file, 0); if (fd < 0) { log_err("Failed to open: %s\n", file); return -1; } if (ioctl(fd, FS_IOC_GETVERSION, &generation)) { log_err("ioctl() failed\n"); close(fd); return -1; } close(fd); } log_info("generation: %u\n", generation); } list_size = llistxattr(file, list, sizeof(list)); if (list_size < 0) { log_err("llistxattr() failed\n"); return -1; } md = EVP_get_digestbyname(imaevm_params.hash_algo); if (!md) { log_err("EVP_get_digestbyname(%s) failed\n", imaevm_params.hash_algo); return 1; } err = EVP_DigestInit(pctx, md); if (!err) { log_err("EVP_DigestInit() failed\n"); return 1; } for (xattrname = evm_config_xattrnames; *xattrname != NULL; xattrname++) { int use_xattr_ima = 0; if (!strcmp(*xattrname, XATTR_NAME_SELINUX) && selinux_str) { err = strlen(selinux_str) + 1; if (err > sizeof(xattr_value)) { log_err("selinux[%u] value is too long to fit into xattr[%zu]\n", err, sizeof(xattr_value)); return -1; } strcpy(xattr_value, selinux_str); } else if (!strcmp(*xattrname, XATTR_NAME_IMA) && ima_str) { err = strlen(ima_str) / 2; if (err > sizeof(xattr_value)) { log_err("ima[%u] value is too long to fit into xattr[%zu]\n", err, sizeof(xattr_value)); return -1; } hex2bin(xattr_value, ima_str, err); } else if (!strcmp(*xattrname, XATTR_NAME_IMA) && evm_portable){ err = lgetxattr(file, xattr_ima, xattr_value, sizeof(xattr_value)); if (err < 0) { log_err("EVM portable sig: %s required\n", xattr_ima); return -1; } use_xattr_ima = 1; } else if (!strcmp(*xattrname, XATTR_NAME_CAPS) && (hmac_flags & HMAC_FLAG_CAPS_SET)) { if (!caps_str) continue; err = strlen(caps_str); if (err >= sizeof(xattr_value)) { log_err("caps[%u] value is too long to fit into xattr[%zu]\n", err + 1, sizeof(xattr_value)); return -1; } strcpy(xattr_value, caps_str); } else { err = lgetxattr(file, *xattrname, xattr_value, sizeof(xattr_value)); if (err < 0) { log_info("no xattr: %s\n", *xattrname); continue; } if (!find_xattr(list, list_size, *xattrname)) { log_info("skipping xattr: %s\n", *xattrname); continue; } } /*log_debug("name: %s, value: %s, size: %d\n", *xattrname, xattr_value, err);*/ log_info("name: %s, size: %d\n", use_xattr_ima ? xattr_ima : *xattrname, err); log_debug_dump(xattr_value, err); err = EVP_DigestUpdate(pctx, xattr_value, err); if (!err) { log_err("EVP_DigestUpdate() failed\n"); return 1; } } memset(&hmac_misc, 0, sizeof(hmac_misc)); if (evm_immutable) { struct h_misc_digsig *hmac = (struct h_misc_digsig *)&hmac_misc; hmac_size = sizeof(*hmac); hmac->uid = st.st_uid; hmac->gid = st.st_gid; hmac->mode = st.st_mode; } else if (msize == 0) { struct h_misc *hmac = (struct h_misc *)&hmac_misc; hmac_size = sizeof(*hmac); if (!evm_portable) { hmac->ino = st.st_ino; hmac->generation = generation; } hmac->uid = st.st_uid; hmac->gid = st.st_gid; hmac->mode = st.st_mode; } else if (msize == 64) { struct h_misc_64 *hmac = (struct h_misc_64 *)&hmac_misc; hmac_size = sizeof(*hmac); if (!evm_portable) { hmac->ino = st.st_ino; hmac->generation = generation; } hmac->uid = st.st_uid; hmac->gid = st.st_gid; hmac->mode = st.st_mode; } else { struct h_misc_32 *hmac = (struct h_misc_32 *)&hmac_misc; hmac_size = sizeof(*hmac); if (!evm_portable) { hmac->ino = st.st_ino; hmac->generation = generation; } hmac->uid = st.st_uid; hmac->gid = st.st_gid; hmac->mode = st.st_mode; } log_debug("hmac_misc (%d): ", hmac_size); log_debug_dump(&hmac_misc, hmac_size); err = EVP_DigestUpdate(pctx, &hmac_misc, hmac_size); if (!err) { log_err("EVP_DigestUpdate() failed\n"); return 1; } if (!evm_immutable && !evm_portable && !(hmac_flags & HMAC_FLAG_NO_UUID)) { err = get_uuid(&st, uuid); if (err) return -1; err = EVP_DigestUpdate(pctx, (const unsigned char *)uuid, sizeof(uuid)); if (!err) { log_err("EVP_DigestUpdate() failed\n"); return 1; } } err = EVP_DigestFinal(pctx, hash, &mdlen); if (!err) { log_err("EVP_DigestFinal() failed\n"); return 1; } return mdlen; } static int sign_evm(const char *file, const char *key) { unsigned char hash[MAX_DIGEST_SIZE]; unsigned char sig[MAX_SIGNATURE_SIZE]; int len, err; len = calc_evm_hash(file, hash); if (len <= 1) return len; assert(len <= sizeof(hash)); len = sign_hash(imaevm_params.hash_algo, hash, len, key, NULL, sig + 1); if (len <= 1) return len; assert(len < sizeof(sig)); /* add header */ len++; if (evm_portable) sig[0] = EVM_XATTR_PORTABLE_DIGSIG; else sig[0] = EVM_IMA_XATTR_DIGSIG; if (evm_immutable) sig[1] = 3; /* immutable signature version */ if (sigdump || imaevm_params.verbose >= LOG_INFO) imaevm_hexdump(sig, len); if (xattr) { err = lsetxattr(file, xattr_evm, sig, len, 0); if (err < 0) { log_err("setxattr failed: %s\n", file); return err; } } return 0; } static int hash_ima(const char *file) { unsigned char hash[MAX_DIGEST_SIZE + 2]; /* +2 byte xattr header */ int len, err, offset; int algo = imaevm_get_hash_algo(imaevm_params.hash_algo); if (algo < 0) { log_err("Unknown hash algo: %s\n", imaevm_params.hash_algo); return -1; } if (algo > PKEY_HASH_SHA1) { hash[0] = IMA_XATTR_DIGEST_NG; hash[1] = algo; offset = 2; } else { hash[0] = IMA_XATTR_DIGEST; offset = 1; } len = ima_calc_hash(file, hash + offset); if (len <= 1) return len; assert(len + offset <= sizeof(hash)); len += offset; if (imaevm_params.verbose >= LOG_INFO) log_info("hash(%s): ", imaevm_params.hash_algo); if (sigdump || imaevm_params.verbose >= LOG_INFO) imaevm_hexdump(hash, len); if (xattr) { err = lsetxattr(file, xattr_ima, hash, len, 0); if (err < 0) { log_err("setxattr failed: %s\n", file); return err; } } return 0; } static int sign_ima(const char *file, const char *key) { unsigned char hash[MAX_DIGEST_SIZE]; unsigned char sig[MAX_SIGNATURE_SIZE]; int len, err; len = ima_calc_hash(file, hash); if (len <= 1) return len; assert(len <= sizeof(hash)); len = sign_hash(imaevm_params.hash_algo, hash, len, key, NULL, sig + 1); if (len <= 1) return len; assert(len < sizeof(sig)); /* add header */ len++; sig[0] = EVM_IMA_XATTR_DIGSIG; if (sigdump || imaevm_params.verbose >= LOG_INFO) imaevm_hexdump(sig, len); if (sigfile) bin2file(file, "sig", sig, len); if (xattr) { err = lsetxattr(file, xattr_ima, sig, len, 0); if (err < 0) { log_err("setxattr failed: %s\n", file); return err; } } return 0; } static int get_file_type(const char *path, const char *search_type) { int err, dts = 0, i; struct stat st; for (i = 0; search_type[i]; i++) { switch (search_type[i]) { case 'f': dts |= REG_MASK; break; case 'x': check_xattr = true; break; case 'm': /* stay within the same filesystem*/ err = lstat(path, &st); if (err < 0) { log_err("Failed to stat: %s\n", path); return err; } fs_dev = st.st_dev; /* filesystem to start from */ break; } } return dts; } static int do_cmd(struct command *cmd, find_cb_t func) { char *path = g_argv[optind++]; int err, dts = REG_MASK; /* only regular files by default */ if (!path) { log_err("Parameters missing\n"); print_usage(cmd); return -1; } if (recursive) { if (search_type) { dts = get_file_type(path, search_type); if (dts < 0) return dts; } err = find(path, dts, func); } else { err = func(path); } return err; } static int cmd_hash_ima(struct command *cmd) { return do_cmd(cmd, hash_ima); } static int sign_ima_file(const char *file) { const char *key; key = imaevm_params.keyfile ? : "/etc/keys/privkey_evm.pem"; return sign_ima(file, key); } static int cmd_sign_ima(struct command *cmd) { return do_cmd(cmd, sign_ima_file); } static int cmd_sign_hash(struct command *cmd) { const char *key; char *token, *line = NULL; int hashlen = 0; size_t line_len; ssize_t len; unsigned char hash[MAX_DIGEST_SIZE]; unsigned char sig[MAX_SIGNATURE_SIZE] = "\x03"; int siglen; key = imaevm_params.keyfile ? : "/etc/keys/privkey_evm.pem"; /* support reading hash (eg. output of shasum) */ while ((len = getline(&line, &line_len, stdin)) > 0) { /* remove end of line */ if (line[len - 1] == '\n') line[--len] = '\0'; /* find the end of the hash */ token = strpbrk(line, ", \t"); hashlen = token ? token - line : strlen(line); assert(hashlen / 2 <= sizeof(hash)); hex2bin(hash, line, hashlen / 2); siglen = sign_hash(imaevm_params.hash_algo, hash, hashlen / 2, key, NULL, sig + 1); if (siglen <= 1) return siglen; assert(siglen < sizeof(sig)); fwrite(line, len, 1, stdout); fprintf(stdout, " "); bin2hex(sig, siglen + 1, stdout); fprintf(stdout, "\n"); } if (!hashlen) { log_err("Parameters missing\n"); print_usage(cmd); return -1; } return 0; } static int sign_evm_path(const char *file) { const char *key; int err; key = imaevm_params.keyfile ? : "/etc/keys/privkey_evm.pem"; if (digsig) { err = sign_ima(file, key); if (err) return err; } if (digest) { err = hash_ima(file); if (err) return err; } return sign_evm(file, key); } static int cmd_sign_evm(struct command *cmd) { return do_cmd(cmd, sign_evm_path); } static int verify_evm(const char *file) { unsigned char hash[MAX_DIGEST_SIZE]; unsigned char sig[MAX_SIGNATURE_SIZE]; int sig_hash_algo; int mdlen; int len; len = lgetxattr(file, xattr_evm, sig, sizeof(sig)); if (len < 0) { log_err("getxattr failed: %s\n", file); return len; } if ((sig[0] != EVM_IMA_XATTR_DIGSIG) && (sig[0] != EVM_XATTR_PORTABLE_DIGSIG)) { log_err("%s has no signature\n", xattr_evm); return -1; } if (sig[0] == EVM_XATTR_PORTABLE_DIGSIG) { if (sig[1] != DIGSIG_VERSION_2) { log_err("Portable sig: invalid type\n"); return -1; } evm_portable = true; } sig_hash_algo = imaevm_hash_algo_from_sig(sig + 1); if (sig_hash_algo < 0) { log_err("unknown hash algo: %s\n", file); return -1; } imaevm_params.hash_algo = imaevm_hash_algo_by_id(sig_hash_algo); mdlen = calc_evm_hash(file, hash); if (mdlen <= 1) return mdlen; assert(mdlen <= sizeof(hash)); return verify_hash(file, hash, mdlen, sig + 1, len - 1); } static int cmd_verify_evm(struct command *cmd) { char *file = g_argv[optind++]; int err; if (!file) { log_err("Parameters missing\n"); print_usage(cmd); return -1; } if (imaevm_params.x509) { if (imaevm_params.keyfile) /* Support multiple public keys */ init_public_keys(imaevm_params.keyfile); else /* assume read pubkey from x509 cert */ init_public_keys("/etc/keys/x509_evm.der"); } err = verify_evm(file); if (!err && imaevm_params.verbose >= LOG_INFO) log_info("%s: verification is OK\n", file); return err; } static int verify_ima(const char *file) { unsigned char sig[MAX_SIGNATURE_SIZE]; int len; if (sigfile) { void *tmp = file2bin(file, "sig", &len); if (!tmp) { log_err("Failed reading: %s\n", file); return -1; } if (len > sizeof(sig)) { log_err("Signature file is too big: %s\n", file); free(tmp); return -1; } memcpy(sig, tmp, len); free(tmp); } else { len = lgetxattr(file, xattr_ima, sig, sizeof(sig)); if (len < 0) { log_err("getxattr failed: %s\n", file); return len; } } return ima_verify_signature(file, sig, len, NULL, 0); } static int cmd_verify_ima(struct command *cmd) { char *file = g_argv[optind++]; int err, fails = 0; if (imaevm_params.x509) { if (imaevm_params.keyfile) /* Support multiple public keys */ init_public_keys(imaevm_params.keyfile); else /* assume read pubkey from x509 cert */ init_public_keys("/etc/keys/x509_evm.der"); } errno = 0; if (!file) { log_err("Parameters missing\n"); print_usage(cmd); return -1; } do { err = verify_ima(file); if (err) fails++; if (!err && imaevm_params.verbose >= LOG_INFO) log_info("%s: verification is OK\n", file); } while ((file = g_argv[optind++])); return fails > 0; } static int cmd_convert(struct command *cmd) { char *inkey; unsigned char _pub[1024], *pub = _pub; int len, err = 0; char name[20]; uint8_t keyid[8]; RSA *key; imaevm_params.x509 = 0; inkey = g_argv[optind++]; if (!inkey) { inkey = imaevm_params.x509 ? "/etc/keys/x509_evm.der" : "/etc/keys/pubkey_evm.pem"; } key = read_pub_key(inkey, imaevm_params.x509); if (!key) return 1; len = key2bin(key, pub); calc_keyid_v1(keyid, name, pub, len); bin2file(inkey, "bin", pub, len); bin2file(inkey, "keyid", (const unsigned char *)name, strlen(name)); RSA_free(key); return err; } static int cmd_import(struct command *cmd) { char *inkey, *ring = NULL; unsigned char _pub[1024], *pub = _pub; int id, len, err = 0; char name[20]; uint8_t keyid[8]; inkey = g_argv[optind++]; if (!inkey) { inkey = imaevm_params.x509 ? "/etc/keys/x509_evm.der" : "/etc/keys/pubkey_evm.pem"; } else ring = g_argv[optind++]; id = KEY_SPEC_USER_KEYRING; /* default keyring */ if (ring) { if (ring[0] != '@') { int base = 10; if (ring[0] == '0' && ring[1] == 'x') base = 16; id = strtoul(ring, NULL, base); } else { if (strcmp(ring, "@t") == 0) id = -1; else if (strcmp(ring, "@p") == 0) id = -2; else if (strcmp(ring, "@s") == 0) id = -3; else if (strcmp(ring, "@u") == 0) id = -4; else if (strcmp(ring, "@us") == 0) id = -5; else if (strcmp(ring, "@g") == 0) id = -6; } } if (imaevm_params.x509) { EVP_PKEY *pkey = read_pub_pkey(inkey, imaevm_params.x509); if (!pkey) return 1; pub = file2bin(inkey, NULL, &len); if (!pub) { EVP_PKEY_free(pkey); return 1; } calc_keyid_v2((uint32_t *)keyid, name, pkey); EVP_PKEY_free(pkey); } else { RSA *key = read_pub_key(inkey, imaevm_params.x509); if (!key) return 1; len = key2bin(key, pub); calc_keyid_v1(keyid, name, pub, len); RSA_free(key); } log_info("Importing public key %s from file %s into keyring %d\n", name, inkey, id); id = add_key(imaevm_params.x509 ? "asymmetric" : "user", imaevm_params.x509 ? NULL : name, pub, len, id); if (id < 0) { log_err("add_key failed\n"); err = id; } else { log_info("keyid: %d\n", id); printf("%d\n", id); } if (imaevm_params.x509) free(pub); return err; } static int setxattr_ima(const char *file, char *sig_file) { unsigned char *sig; int len, err; if (sig_file) sig = file2bin(sig_file, NULL, &len); else sig = file2bin(file, "sig", &len); if (!sig) return 0; err = lsetxattr(file, xattr_ima, sig, len, 0); if (err < 0) log_err("setxattr failed: %s\n", file); free(sig); return err; } static int cmd_setxattr_ima(struct command *cmd) { char *file, *sig = NULL; if (sigfile) sig = g_argv[optind++]; file = g_argv[optind++]; if (!file) { log_err("Parameters missing\n"); print_usage(cmd); return -1; } return setxattr_ima(file, sig); } #define MAX_KEY_SIZE 128 static int calc_evm_hmac(const char *file, const char *keyfile, unsigned char *hash) { const EVP_MD *md; struct stat st; int err = -1; uint32_t generation = 0; HMAC_CTX *pctx; unsigned int mdlen; char **xattrname; unsigned char xattr_value[1024]; unsigned char *key; int keylen; unsigned char evmkey[MAX_KEY_SIZE]; char list[1024]; ssize_t list_size; struct h_misc_64 hmac_misc; int hmac_size; #if OPENSSL_VERSION_NUMBER < 0x10100000 HMAC_CTX ctx; pctx = &ctx; #else pctx = HMAC_CTX_new(); #endif key = file2bin(keyfile, NULL, &keylen); if (!key) { log_err("Failed to read a key: %s\n", keyfile); return -1; } if (keylen > sizeof(evmkey)) { log_err("key is too long: %d\n", keylen); goto out; } /* EVM key is 128 bytes */ memcpy(evmkey, key, keylen); if (keylen < sizeof(evmkey)) memset(evmkey + keylen, 0, sizeof(evmkey) - keylen); if (lstat(file, &st)) { log_err("Failed to stat: %s\n", file); goto out; } if (S_ISREG(st.st_mode)) { int fd = open(file, 0); if (fd < 0) { log_err("Failed to open %s\n", file); goto out; } if (ioctl(fd, FS_IOC_GETVERSION, &generation)) { log_err("ioctl() failed\n"); close(fd); goto out; } close(fd); } log_info("generation: %u\n", generation); list_size = llistxattr(file, list, sizeof(list)); if (list_size <= 0) { log_err("llistxattr() failed: %s\n", file); goto out; } md = EVP_get_digestbyname(imaevm_params.hash_algo); if (!md) { log_err("EVP_get_digestbyname(%s) failed\n", imaevm_params.hash_algo); goto out; } err = !HMAC_Init_ex(pctx, evmkey, sizeof(evmkey), md, NULL); if (err) { log_err("HMAC_Init() failed\n"); goto out; } for (xattrname = evm_config_xattrnames; *xattrname != NULL; xattrname++) { err = lgetxattr(file, *xattrname, xattr_value, sizeof(xattr_value)); if (err < 0) { log_info("no xattr: %s\n", *xattrname); continue; } if (!find_xattr(list, list_size, *xattrname)) { log_info("skipping xattr: %s\n", *xattrname); continue; } /*log_debug("name: %s, value: %s, size: %d\n", *xattrname, xattr_value, err);*/ log_info("name: %s, size: %d\n", *xattrname, err); log_debug_dump(xattr_value, err); err = !HMAC_Update(pctx, xattr_value, err); if (err) { log_err("HMAC_Update() failed\n"); goto out_ctx_cleanup; } } memset(&hmac_misc, 0, sizeof(hmac_misc)); if (msize == 0) { struct h_misc *hmac = (struct h_misc *)&hmac_misc; hmac_size = sizeof(*hmac); hmac->ino = st.st_ino; hmac->generation = generation; hmac->uid = st.st_uid; hmac->gid = st.st_gid; hmac->mode = st.st_mode; } else if (msize == 64) { struct h_misc_64 *hmac = (struct h_misc_64 *)&hmac_misc; hmac_size = sizeof(*hmac); hmac->ino = st.st_ino; hmac->generation = generation; hmac->uid = st.st_uid; hmac->gid = st.st_gid; hmac->mode = st.st_mode; } else { struct h_misc_32 *hmac = (struct h_misc_32 *)&hmac_misc; hmac_size = sizeof(*hmac); hmac->ino = st.st_ino; hmac->generation = generation; hmac->uid = st.st_uid; hmac->gid = st.st_gid; hmac->mode = st.st_mode; } log_debug("hmac_misc (%d): ", hmac_size); log_debug_dump(&hmac_misc, hmac_size); err = !HMAC_Update(pctx, (const unsigned char *)&hmac_misc, hmac_size); if (err) { log_err("HMAC_Update() failed\n"); goto out_ctx_cleanup; } err = !HMAC_Final(pctx, hash, &mdlen); if (err) log_err("HMAC_Final() failed\n"); out_ctx_cleanup: #if OPENSSL_VERSION_NUMBER < 0x10100000 HMAC_CTX_cleanup(pctx); #else HMAC_CTX_free(pctx); #endif out: free(key); return err ?: mdlen; } static int hmac_evm(const char *file, const char *key) { unsigned char hash[MAX_DIGEST_SIZE]; unsigned char sig[MAX_SIGNATURE_SIZE]; int len, err; len = calc_evm_hmac(file, key, hash); if (len <= 1) return len; assert(len <= sizeof(hash)); log_info("hmac: "); log_dump(hash, len); assert(len < sizeof(sig)); memcpy(sig + 1, hash, len); if (xattr) { sig[0] = EVM_XATTR_HMAC; err = lsetxattr(file, xattr_evm, sig, len + 1, 0); if (err < 0) { log_err("setxattr failed: %s\n", file); return err; } } return 0; } static int cmd_hmac_evm(struct command *cmd) { const char *key, *file = g_argv[optind++]; int err; if (!file) { log_err("Parameters missing\n"); print_usage(cmd); return -1; } key = imaevm_params.keyfile ? : "/etc/keys/privkey_evm.pem"; if (digsig) { err = sign_ima(file, key); if (err) return err; } if (digest) { err = hash_ima(file); if (err) return err; } return hmac_evm(file, "/etc/keys/evm-key-plain"); } static int ima_fix(const char *path) { int fd, size, len, ima = 0, evm = 0; char buf[1024], *list = buf; log_info("%s\n", path); if (check_xattr) { /* re-measuring takes a time * in some cases we can skip labeling if xattrs exists */ size = llistxattr(path, list, sizeof(buf)); if (size < 0) { log_errno("Failed to read xattrs (llistxattr): %s\n", path); return -1; } for (; size > 0; len++, size -= len, list += len) { len = strlen(list); if (!strcmp(list, xattr_ima)) ima = 1; else if (!strcmp(list, xattr_evm)) evm = 1; } if (ima && evm) return 0; } fd = open(path, O_RDONLY); if (fd < 0) { log_errno("Failed to open file: %s", path); return -1; } close(fd); return 0; } static int find(const char *path, int dts, find_cb_t func) { struct dirent *de; DIR *dir; if (fs_dev) { struct stat st; int err = lstat(path, &st); if (err < 0) { log_err("Failed to stat: %s\n", path); return err; } if (st.st_dev != fs_dev) return 0; } dir = opendir(path); if (!dir) { log_err("Failed to open directory %s\n", path); return -1; } if (fchdir(dirfd(dir))) { log_err("Failed to chdir %s\n", path); return -1; } while ((de = readdir(dir))) { if (!strcmp(de->d_name, "..") || !strcmp(de->d_name, ".")) continue; log_debug("path: %s, type: %u\n", de->d_name, de->d_type); if (de->d_type == DT_DIR) find(de->d_name, dts, func); else if (dts & (1 << de->d_type)) func(de->d_name); } if (chdir("..")) { log_err("Failed to chdir: %s\n", path); return -1; } closedir(dir); return 0; } static int cmd_ima_fix(struct command *cmd) { return do_cmd(cmd, ima_fix); } static int ima_clear(const char *path) { log_info("%s\n", path); lremovexattr(path, xattr_ima); lremovexattr(path, xattr_evm); return 0; } static int cmd_ima_clear(struct command *cmd) { return do_cmd(cmd, ima_clear); } #define TCG_EVENT_NAME_LEN_MAX 255 struct template_entry { struct { uint32_t pcr; uint8_t digest[SHA_DIGEST_LENGTH]; uint32_t name_len; } header __packed; char name[TCG_EVENT_NAME_LEN_MAX + 1]; uint32_t template_buf_len; uint32_t template_len; uint8_t *template; }; static uint8_t zero[MAX_DIGEST_SIZE]; static int ignore_violations = 0; static int ima_verify_template_hash(struct template_entry *entry) { uint8_t digest[SHA_DIGEST_LENGTH]; static int line = 0; line++; if (!memcmp(zero, entry->header.digest, sizeof(digest))) return 0; SHA1(entry->template, entry->template_len, digest); if (memcmp(digest, entry->header.digest, sizeof(digest))) { if (imaevm_params.verbose > LOG_INFO) log_info("Failed to verify template data digest(line %d).\n", line); return 1; } return 0; } void ima_show(struct template_entry *entry) { if (imaevm_params.verbose <= LOG_INFO) return; log_info("%d ", entry->header.pcr); log_dump_n(entry->header.digest, sizeof(entry->header.digest)); log_info(" %s ", entry->name); log_dump_n(entry->template, SHA_DIGEST_LENGTH); log_info(" %s\n", entry->template + SHA_DIGEST_LENGTH); } /* * Keep track of unknown or malformed template names. * * Return 1 for found, return 0 for not found. */ static int lookup_template_name_entry(char *template_name) { struct template_name_entry { struct template_name_entry *next; char name[]; } *entry; static struct template_name_entry *template_names = NULL; for (entry = template_names; entry != NULL; entry = entry->next) { if (strcmp(entry->name, template_name) == 0) return 1; } entry = malloc(sizeof(struct template_name_entry) + strlen(template_name) + 1); if (entry) { strcpy(entry->name, template_name); entry->next = template_names; template_names = entry; } return 0; } void ima_ng_show(struct template_entry *entry) { uint8_t *fieldp = entry->template; uint32_t field_len; int total_len = entry->template_len, digest_len, len, sig_len, fbuf_len; uint8_t *digest, *sig = NULL, *fbuf = NULL; char *algo, *path; int found; int err; /* get binary digest */ field_len = *(uint32_t *)fieldp; fieldp += sizeof(field_len); total_len -= sizeof(field_len); algo = (char *)fieldp; len = strlen(algo) + 1; digest_len = field_len - len; digest = fieldp + len; /* move to next field */ fieldp += field_len; total_len -= field_len; /* get path */ field_len = *(uint32_t *)fieldp; fieldp += sizeof(field_len); total_len -= sizeof(field_len); path = (char *)fieldp; /* move to next field */ fieldp += field_len; total_len -= field_len; if (!strcmp(entry->name, "ima-sig")) { /* get signature */ field_len = *(uint32_t *)fieldp; fieldp += sizeof(field_len); total_len -= sizeof(field_len); if (field_len) { sig = fieldp; sig_len = field_len; /* move to next field */ fieldp += field_len; total_len -= field_len; } } else if (!strcmp(entry->name, "ima-buf")) { field_len = *(uint32_t *)fieldp; fieldp += sizeof(field_len); total_len -= sizeof(field_len); if (field_len) { fbuf = fieldp; fbuf_len = field_len; /* move to next field */ fieldp += field_len; total_len -= field_len; } } /* ascii_runtime_measurements */ if (imaevm_params.verbose > LOG_INFO) { log_info("%d ", entry->header.pcr); log_dump_n(entry->header.digest, sizeof(entry->header.digest)); log_info(" %s %s", entry->name, algo); log_dump_n(digest, digest_len); log_info(" %s", path); if (fbuf) { log_info(" "); log_dump_n(fbuf, fbuf_len); } } if (sig) { if (imaevm_params.verbose > LOG_INFO) { log_info(" "); log_dump(sig, sig_len); } if (verify_list_sig) err = ima_verify_signature(path, sig, sig_len, digest, digest_len); else err = ima_verify_signature(path, sig, sig_len, NULL, 0); if (!err && imaevm_params.verbose > LOG_INFO) log_info("%s: verification is OK\n", path); } else { if (imaevm_params.verbose > LOG_INFO) log_info("\n"); } if (total_len) { found = lookup_template_name_entry(entry->name); if (!found) log_err("Template \"%s\" contains unprocessed data: " "%d bytes\n", entry->name, total_len); } } static void set_bank_info(struct tpm_bank_info *bank, const char *algo_name) { const EVP_MD *md; bank->algo_name = algo_name; md = EVP_get_digestbyname(bank->algo_name); if (!md) return; bank->supported = 1; bank->digest_size = EVP_MD_size(md); } static struct tpm_bank_info *init_tpm_banks(int *num_banks) { struct tpm_bank_info *banks = NULL; const char *default_algos[] = {"sha1", "sha256"}; int num_algos = sizeof(default_algos) / sizeof(default_algos[0]); int i, j; banks = calloc(num_algos, sizeof(struct tpm_bank_info)); if (!banks) return banks; /* re-calculate the PCRs digests for only known algorithms */ *num_banks = num_algos; for (i = 0; i < num_algos; i++) { for (j = 0; j < HASH_ALGO__LAST; j++) { if (!strcmp(default_algos[i], hash_algo_name[j])) set_bank_info(&banks[i], hash_algo_name[j]); } } return banks; } /* * Compare the calculated TPM PCR banks against the PCR values read. * The banks_mask parameter allows to select which banks to consider. * A banks_maks of 0x3 would consider banks 1 and 2, 0x2 would only * consider the 2nd bank, ~0 would consider all banks. * * On failure to match any TPM bank, fail comparison. */ static int compare_tpm_banks(int num_banks, struct tpm_bank_info *bank, struct tpm_bank_info *tpm_bank, unsigned int banks_mask, unsigned long entry_num) { int i, j; int ret = 0; for (i = 0; i < num_banks; i++) { if (!bank[i].supported || !tpm_bank[i].supported) continue; /* do we need to look at the n-th bank ? */ if ((banks_mask & (1 << i)) == 0) continue; for (j = 0; j < NUM_PCRS; j++) { if (memcmp(bank[i].pcr[j], zero, bank[i].digest_size) == 0) continue; if (memcmp(bank[i].pcr[j], tpm_bank[i].pcr[j], bank[i].digest_size) != 0) ret = 1; if ((!ret && imaevm_params.verbose <= LOG_INFO) || (ret && imaevm_params.verbose <= LOG_DEBUG)) continue; log_info("%s: PCRAgg %d: ", bank[i].algo_name, j); log_dump(bank[i].pcr[j], bank[i].digest_size); log_info("%s: TPM PCR-%d: ", tpm_bank[i].algo_name, j); log_dump(tpm_bank[i].pcr[j], tpm_bank[i].digest_size); if (!ret) log_info("%s PCR-%d: succeed at entry %lu\n", bank[i].algo_name, j, entry_num); else log_info("%s: PCRAgg %d does not match TPM PCR-%d\n", bank[i].algo_name, j, j); } } return ret; } /* Calculate the template hash for a particular hash algorithm */ static int calculate_template_digest(EVP_MD_CTX *pctx, const EVP_MD *md, struct template_entry *entry, struct tpm_bank_info *bank) { unsigned int mdlen; int err; err = EVP_DigestInit(pctx, md); if (!err) { printf("EVP_DigestInit() failed\n"); goto out; } err = EVP_DigestUpdate(pctx, entry->template, entry->template_len); if (!err) { printf("EVP_DigestUpdate() failed\n"); goto out; } err = EVP_DigestFinal(pctx, bank->digest, &mdlen); if (!err) printf("EVP_DigestUpdate() failed\n"); out: if (!err) err = 1; return err; } /* Extend a specific TPM bank with the template hash */ static int extend_tpm_bank(EVP_MD_CTX *pctx, const EVP_MD *md, struct template_entry *entry, struct tpm_bank_info *bank) { unsigned int mdlen; int err; err = EVP_DigestInit(pctx, md); if (!err) { printf("EVP_DigestInit() failed\n"); goto out; } err = EVP_DigestUpdate(pctx, bank->pcr[entry->header.pcr], bank->digest_size); if (!err) { printf("EVP_DigestUpdate() failed\n"); goto out; } err = EVP_DigestUpdate(pctx, bank->digest, bank->digest_size); if (!err) { printf("EVP_DigestUpdate() failed\n"); goto out; } err = EVP_DigestFinal(pctx, bank->pcr[entry->header.pcr], &mdlen); if (!err) printf("EVP_DigestFinal() failed\n"); out: if (!err) err = 1; return err; } /* Calculate and extend the template hash for multiple hash algorithms */ static void extend_tpm_banks(struct template_entry *entry, int num_banks, struct tpm_bank_info *bank, struct tpm_bank_info *padded_bank) { EVP_MD_CTX *pctx; const EVP_MD *md; #if OPENSSL_VERSION_NUMBER < 0x10100000 EVP_MD_CTX ctx; pctx = &ctx; #else pctx = EVP_MD_CTX_new(); #endif int err; int i; for (i = 0; i < num_banks; i++) { if (!bank[i].supported) continue; md = EVP_get_digestbyname(bank[i].algo_name); if (!md) { printf("EVP_get_digestbyname(%s) failed\n", bank[i].algo_name); bank[i].supported = 0; continue; } /* * Measurement violations are 0x00 digests, which are extended * into the TPM as 0xff. Verifying the IMA measurement list * will fail, unless the 0x00 digests are converted to 0xff's. * * Initially the sha1 digest, including violations, was padded * with zeroes before being extended into the TPM. With the * per TPM bank digest, violations are the full per bank digest * size. */ if (memcmp(entry->header.digest, zero, SHA_DIGEST_LENGTH) == 0) { if (!ignore_violations) { memset(bank[i].digest, 0x00, bank[i].digest_size); memset(padded_bank[i].digest, 0x00, padded_bank[i].digest_size); } else { memset(bank[i].digest, 0xff, bank[i].digest_size); memset(padded_bank[i].digest, 0x00, padded_bank[i].digest_size); memset(padded_bank[i].digest, 0xff, SHA_DIGEST_LENGTH); } } else { err = calculate_template_digest(pctx, md, entry, &bank[i]); if (!err) { bank[i].supported = 0; continue; } /* * calloc set the memory to zero, so just copy the * sha1 digest. */ memcpy(padded_bank[i].digest, entry->header.digest, SHA_DIGEST_LENGTH); } /* extend TPM BANK with template digest */ err = extend_tpm_bank(pctx, md, entry, &bank[i]); if (!err) bank[i].supported = 0; /* extend TPM BANK with zero padded sha1 template digest */ err = extend_tpm_bank(pctx, md, entry, &padded_bank[i]); if (!err) padded_bank[i].supported = 0; } #if OPENSSL_VERSION_NUMBER >= 0x10100000 EVP_MD_CTX_free(pctx); #endif } static int read_one_bank(struct tpm_bank_info *tpm_bank, FILE *fp) { char *p, pcr_str[8], buf[MAX_DIGEST_SIZE * 2 + 8]; int i = 0; int result = -1; for (;;) { p = fgets(buf, sizeof(buf), fp); if (!p || i >= NUM_PCRS) break; sprintf(pcr_str, "PCR-%2.2d", i); if (!strncmp(p, pcr_str, 6)) hex2bin(tpm_bank->pcr[i++], p + 7, tpm_bank->digest_size); result = 0; } return result; } static char *pcrs = "/sys/class/tpm/tpm0/device/pcrs"; /* Kernels >= 4.0 */ static char *misc_pcrs = "/sys/class/misc/tpm0/device/pcrs"; /* Read one of the TPM 1.2 sysfs files if present */ static int read_sysfs_pcrs(int num_banks, struct tpm_bank_info *tpm_banks) { FILE *fp; int i, result; fp = fopen(pcrs, "r"); if (!fp) fp = fopen(misc_pcrs, "r"); if (!fp) return -1; result = read_one_bank(&tpm_banks[0], fp); fclose(fp); if (result < 0) return result; tpm_banks[0].supported = 1; for (i = 1; i < num_banks; i++) tpm_banks[i].supported = 0; return 0; } /* Read PCRs from per-bank file(s) specified via --pcrs */ static int read_file_pcrs(int num_banks, struct tpm_bank_info *tpm_banks) { struct stat s; FILE *fp; char *p; const char *alg, *path; int i, j, bank, result; for (i = 0; i < num_banks; i++) tpm_banks[i].supported = 0; for (i = 0; i < npcrfile; i++) { p = strchr(pcrfile[i], ','); if (p) { *p = 0; alg = pcrfile[i]; path = ++p; } else { alg = "sha1"; path = pcrfile[i]; } bank = -1; for (j = 0; j < num_banks; j++) { if (!strcmp(tpm_banks[j].algo_name, alg)) { bank = j; break; } } if (bank < 0) { log_err("Unknown algorithm '%s'\n", alg); return -1; } if (stat(path, &s) == -1) { log_err("Could not stat '%s'\n", path); return -1; } if (!S_ISREG(s.st_mode)) { log_err("PCR file: not a regular file or link to regular file\n"); return -1; } fp = fopen(path, "r"); if (!fp) { log_err("Could not open '%s'\n", path); return -1; } result = read_one_bank(&tpm_banks[bank], fp); fclose(fp); if (result < 0) return result; tpm_banks[bank].supported = 1; } return 0; } /* * Attempt to read TPM PCRs from either TPM 1.2 or multiple TPM 2.0 banks. * * On success reading from any TPM bank, return 0. */ static int read_tpm_banks(int num_banks, struct tpm_bank_info *bank) { int tpm_enabled = 0; char *errmsg = NULL; int i; uint32_t pcr_handle; int err; /* If --pcrs was specified, read only from the specified file(s) */ if (npcrfile) return read_file_pcrs(num_banks, bank); /* Else try reading PCRs from the sysfs file if present */ if (read_sysfs_pcrs(num_banks, bank) == 0) return 0; /* Any userspace applications available for reading TPM 2.0 PCRs? */ if (!tpm2_pcr_supported()) { log_debug("Failed to read TPM 2.0 PCRs\n"); return 1; } /* Read PCRs from multiple TPM 2.0 banks */ for (i = 0; i < num_banks; i++) { err = 0; for (pcr_handle = 0; pcr_handle < NUM_PCRS && !err; pcr_handle++) { err = tpm2_pcr_read(bank[i].algo_name, pcr_handle, bank[i].pcr[pcr_handle], bank[i].digest_size, &errmsg); if (err) { log_debug("Failed to read %s PCRs: (%s)\n", bank[i].algo_name, errmsg); free(errmsg); bank[i].supported = 0; } } if (bank[i].supported) tpm_enabled = 1; } return tpm_enabled ? 0 : 1; } static int ima_measurement(const char *file) { struct tpm_bank_info *pseudo_padded_banks; struct tpm_bank_info *pseudo_banks; struct tpm_bank_info *tpm_banks; int is_ima_template, cur_template_fmt; int num_banks = 0; int tpmbanks = 1; int first_record = 1; unsigned int pseudo_padded_banks_mask, pseudo_banks_mask; unsigned long entry_num = 0; int c; struct template_entry entry = { .template = 0 }; FILE *fp; int invalid_template_digest = 0; int err_padded = -1; int err = -1; errno = 0; memset(zero, 0, MAX_DIGEST_SIZE); pseudo_padded_banks = init_tpm_banks(&num_banks); pseudo_banks = init_tpm_banks(&num_banks); tpm_banks = init_tpm_banks(&num_banks); fp = fopen(file, "rb"); if (!fp) { log_err("Failed to open measurement file: %s\n", file); return -1; } if (imaevm_params.keyfile) /* Support multiple public keys */ init_public_keys(imaevm_params.keyfile); else /* assume read pubkey from x509 cert */ init_public_keys("/etc/keys/x509_evm.der"); /* * Reading the PCRs before walking the IMA measurement list * guarantees that all of the measurements are included in * the PCRs. */ if (read_tpm_banks(num_banks, tpm_banks) != 0) tpmbanks = 0; /* A mask where each bit represents the banks to check against */ pseudo_banks_mask = (1 << num_banks) - 1; pseudo_padded_banks_mask = pseudo_banks_mask; /* Instead of verifying all the banks, only verify a single bank */ for (c = 0; c < num_banks; c++) { if (verify_bank && strcmp(pseudo_padded_banks[c].algo_name, verify_bank)) { pseudo_banks_mask ^= (1 << c); pseudo_padded_banks_mask ^= (1 << c); break; } } while (fread(&entry.header, sizeof(entry.header), 1, fp) == 1) { entry_num++; if (entry.header.pcr >= NUM_PCRS) { log_err("Invalid PCR %d.\n", entry.header.pcr); fclose(fp); exit(1); } if (entry.header.name_len > TCG_EVENT_NAME_LEN_MAX) { log_err("%d ERROR: event name too long!\n", entry.header.name_len); fclose(fp); exit(1); } memset(entry.name, 0x00, sizeof(entry.name)); if (!fread(entry.name, entry.header.name_len, 1, fp)) { log_err("Unable to read template name\n"); goto out; } /* * The "ima" template format can not be mixed with other * template formats records. */ if (!first_record) { cur_template_fmt = strcmp(entry.name, "ima") == 0 ? 1 : 0; if ((is_ima_template && !cur_template_fmt) || (!is_ima_template && cur_template_fmt)) { log_err("Mixed measurement list containing \"ima\" and other template formats not supported.\n"); goto out; } } else { first_record = 0; is_ima_template = strcmp(entry.name, "ima") == 0 ? 1 : 0; } /* The "ima" template data is not length prefixed. Skip it. */ if (!is_ima_template) { if (!fread(&entry.template_len, sizeof(entry.template_len), 1, fp)) { log_err("Unable to read template length\n"); goto out; } } else { entry.template_len = SHA_DIGEST_LENGTH + TCG_EVENT_NAME_LEN_MAX + 1; } if (entry.template_buf_len < entry.template_len) { free(entry.template); entry.template_buf_len = entry.template_len; entry.template = malloc(entry.template_len); } if (!is_ima_template) { if (!fread(entry.template, entry.template_len, 1, fp)) { log_errno("Unable to read template\n"); goto out; } } else { uint32_t field_len; uint32_t len; /* * The "ima" template data format is digest, * filename length, filename. */ if (!fread(entry.template, SHA_DIGEST_LENGTH, 1, fp)) { log_errno("Unable to read file data hash\n"); goto out; } /* * Read the filename length, but it isn't included * in the template data hash calculation. */ len = fread(&field_len, sizeof(field_len), 1, fp); if (len <= 0) { log_errno("Failed reading file name length\n"); goto out; } if (field_len > TCG_EVENT_NAME_LEN_MAX) { log_err("file pathname is too long\n"); goto out; } len = fread(entry.template + SHA_DIGEST_LENGTH, field_len, 1, fp); if (len != 1) { log_errno("Failed reading file name\n"); goto out; } /* * The template data is fixed sized, zero out * the remaining memory. */ len = SHA_DIGEST_LENGTH + field_len; memset(entry.template + len, 0x00, entry.template_buf_len - len); } extend_tpm_banks(&entry, num_banks, pseudo_banks, pseudo_padded_banks); /* Recalculate and verify template data digest */ err = ima_verify_template_hash(&entry); if (err) invalid_template_digest = 1; if (is_ima_template) ima_show(&entry); else ima_ng_show(&entry); if (!tpmbanks) continue; for (c = 0; c < num_banks; c++) { if ((pseudo_banks_mask & (1 << c)) == 0) continue; /* The measurement list might contain too many entries, * compare the re-calculated TPM PCR values after each * extend. */ err = compare_tpm_banks(num_banks, pseudo_banks, tpm_banks, 1 << c, entry_num); if (!err) pseudo_banks_mask ^= (1 << c); } if (pseudo_banks_mask == 0) break; for (c = 0; c < num_banks; c++) { if ((pseudo_padded_banks_mask & (1 << c)) == 0) continue; /* Compare against original SHA1 zero padded TPM PCR values */ err_padded = compare_tpm_banks(num_banks, pseudo_padded_banks, tpm_banks, 1 << c, entry_num); if (!err_padded) pseudo_padded_banks_mask ^= (1 << c); } if (pseudo_padded_banks_mask == 0) break; } if (tpmbanks == 0) log_info("Failed to read any TPM PCRs\n"); else { if (!err) log_info("Matched per TPM bank calculated digest(s).\n"); else if (!err_padded) { log_info("Matched SHA1 padded TPM digest(s).\n"); err = 0; } else log_info("Failed to match per TPM bank or SHA1 padded TPM digest(s).\n"); } if (invalid_template_digest) { log_info("Failed to verify template data digest.\n"); err = 1; } out: fclose(fp); return err; } static int cmd_ima_measurement(struct command *cmd) { char *file = g_argv[optind++]; if (!file) { log_err("Parameters missing\n"); print_usage(cmd); return -1; } return ima_measurement(file); } #define MAX_EVENT_DATA_SIZE 200000 static int read_binary_bios_measurements(char *file, struct tpm_bank_info *bank) { struct { struct { uint32_t pcr; int type; unsigned char digest[SHA_DIGEST_LENGTH]; uint32_t len; } header; unsigned char data[MAX_EVENT_DATA_SIZE]; } event; struct stat s; FILE *fp; SHA_CTX c; int err = 0; int len; int i; if (stat(file, &s) == -1) { errno = 0; return 1; } if (!S_ISREG(s.st_mode)) { log_info("Bios event log: not a regular file or link to regular file\n"); return 1; } fp = fopen(file, "r"); if (!fp) { log_errno("Failed to open TPM 1.2 event log.\n"); return 1; } if (imaevm_params.verbose > LOG_INFO) log_info("Reading the TPM 1.2 event log %s.\n", file); /* Extend the pseudo TPM PCRs with the event digest */ while (fread(&event, sizeof(event.header), 1, fp) == 1) { if (imaevm_params.verbose > LOG_INFO) { log_info("%02u ", event.header.pcr); log_dump(event.header.digest, SHA_DIGEST_LENGTH); } if (event.header.pcr >= NUM_PCRS) { log_err("Invalid PCR %d.\n", event.header.pcr); err = 1; break; } SHA1_Init(&c); SHA1_Update(&c, bank->pcr[event.header.pcr], 20); SHA1_Update(&c, event.header.digest, 20); SHA1_Final(bank->pcr[event.header.pcr], &c); if (event.header.len > MAX_EVENT_DATA_SIZE) { log_err("Event data event too long.\n"); err = 1; break; } len = fread(event.data, event.header.len, 1, fp); if (len != 1) { log_errno("Failed reading event data (short read)\n"); break; } } fclose(fp); if (imaevm_params.verbose <= LOG_INFO) return err; for (i = 0; i < NUM_PCRS; i++) { log_info("PCR-%2.2x ", i); log_dump(bank->pcr[i], SHA_DIGEST_LENGTH); } return err; } static void calc_bootaggr(struct tpm_bank_info *bank) { EVP_MD_CTX *pctx; unsigned int mdlen; const EVP_MD *md; #if OPENSSL_VERSION_NUMBER < 0x10100000 EVP_MD_CTX ctx; pctx = &ctx; #else pctx = EVP_MD_CTX_new(); #endif int err = 0; int i; md = EVP_get_digestbyname(bank->algo_name); err = EVP_DigestInit(pctx, md); if (!err) { printf("EVP_DigestInit() failed\n"); goto out; } for (i = 0; i < 8; i++) { err = EVP_DigestUpdate(pctx, bank->pcr[i], bank->digest_size); if (!err) { log_err("EVP_DigestUpdate() failed\n"); goto out; } } if (strcmp(bank->algo_name, "sha1") != 0) { for (i = 8; i < 10; i++) { err = EVP_DigestUpdate(pctx, bank->pcr[i], bank->digest_size); if (!err) { log_err("EVP_DigestUpdate() failed\n"); goto out; } } } err = EVP_DigestFinal(pctx, bank->digest, &mdlen); if (!err) { log_err("EVP_DigestFinal() failed\n"); goto out; } out: #if OPENSSL_VERSION_NUMBER >= 0x10100000 EVP_MD_CTX_free(pctx); #endif return; } /* * The "boot_aggregate" format is the TPM PCR bank algorithm, a colon * separator, followed by a per bank TPM PCR bank specific digest. * Store the TPM PCR bank specific "boot_aggregate" value as a newline * terminated string in the provided buffer. */ static int append_bootaggr(char *bootaggr, struct tpm_bank_info *tpm_banks) { uint8_t *buf; int j; strcpy(bootaggr, tpm_banks->algo_name); j = strlen(tpm_banks->algo_name); bootaggr[j++] = ':'; for (buf = tpm_banks->digest; buf < (tpm_banks->digest + tpm_banks->digest_size); buf++) { bootaggr[j++] = hex_asc_hi(*buf); bootaggr[j++] = hex_asc_lo(*buf); } bootaggr[j++] = '\n'; return j; } /* * The IMA measurement list boot_aggregate is the link between the preboot * event log and the IMA measurement list. Read and calculate all the * possible per TPM bank boot_aggregate digests based on the existing PCRs * 0 - 9 to validate against the IMA boot_aggregate record. If the digest * algorithm is SHA1, only PCRs 0 - 7 are considered to avoid ambiguity. */ static int cmd_ima_bootaggr(struct command *cmd) { struct tpm_bank_info *tpm_banks; int bootaggr_len = 0; char *bootaggr; int num_banks = 0; int offset = 0; int err = 0; int i; char *file = g_argv[optind++]; /* * Instead of just reading the TPM 1.2 PCRs, walk the exported * TPM 1.2 SHA1 event log, calculating the PCRs. */ if (file) { tpm_banks = init_tpm_banks(&num_banks); /* TPM 1.2 only supports SHA1.*/ for (i = 1; i < num_banks; i++) tpm_banks[i].supported = 0; err = read_binary_bios_measurements(file, tpm_banks); if (err) { log_info("Failed reading the TPM 1.2 event log %s.\n", file); return -1; } } else { tpm_banks = init_tpm_banks(&num_banks); if (read_tpm_banks(num_banks, tpm_banks) != 0) { log_info("Failed to read any TPM PCRs\n"); return -1; } } /* * Allocate enough memory for the per TPM 2.0 PCR bank algorithm, * the colon separator, the boot_aggregate digest and newline. * * Format: :\n ... */ for (i = 0; i < num_banks; i++) { if (!tpm_banks[i].supported) continue; bootaggr_len += strlen(tpm_banks[i].algo_name) + 1; bootaggr_len += (tpm_banks[i].digest_size * 2) + 1; } /* Make room for the trailing null */ bootaggr = malloc(bootaggr_len + 1); /* * Calculate and convert the per TPM 2.0 PCR bank algorithm * "boot_aggregate" digest from binary to asciihex. Store the * "boot_aggregate" values as a list of newline terminated * strings. */ for (i = 0; i < num_banks; i++) { if (!tpm_banks[i].supported) continue; calc_bootaggr(&tpm_banks[i]); offset += append_bootaggr(bootaggr + offset, tpm_banks + i); } bootaggr[bootaggr_len] = '\0'; printf("%s", bootaggr); free(bootaggr); return 0; } static void print_usage(struct command *cmd) { printf("usage: %s %s\n", cmd->name, cmd->arg ? cmd->arg : ""); } static void print_full_usage(struct command *cmd) { if (cmd->name) printf("usage: %s %s\n", cmd->name, cmd->arg ? cmd->arg : ""); if (cmd->msg) printf("%s", cmd->msg); } static int print_command_usage(struct command *cmds, char *command) { struct command *cmd; for (cmd = cmds; cmd->name; cmd++) { if (strcmp(cmd->name, command) == 0) { print_full_usage(cmd); return 0; } } printf("invalid command: %s\n", command); return -1; } static void print_all_usage(struct command *cmds) { struct command *cmd; printf("commands:\n"); for (cmd = cmds; cmd->name; cmd++) { if (cmd->arg) printf(" %s %s\n", cmd->name, cmd->arg); else if (cmd->msg) printf(" %s", cmd->msg); } } static int call_command(struct command *cmds, char *command) { struct command *cmd; for (cmd = cmds; cmd->name; cmd++) { if (strcasecmp(cmd->name, command) == 0) return cmd->func(cmd); } printf("Invalid command: %s\n", command); return -1; } static int cmd_help(struct command *cmd) { if (!g_argv[optind]) { print_usage(cmd); return 0; } else return print_command_usage(cmds, g_argv[optind]); } static void usage(void) { printf("Usage: evmctl [-v] [OPTIONS]\n"); print_all_usage(cmds); printf( "\n" " -a, --hashalgo sha1, sha224, sha256, sha384, sha512, streebog256, streebog512 (default: %s)\n" " -s, --imasig make IMA signature\n" " -d, --imahash make IMA hash\n" " -f, --sigfile store IMA signature in .sig file instead of xattr\n" " --xattr-user store xattrs in user namespace (for testing purposes)\n" " --rsa use RSA key type and signing scheme v1\n" " -k, --key path to signing key (default: /etc/keys/{privkey,pubkey}_evm.pem)\n" " or a pkcs11 URI\n" " --keyid n overwrite signature keyid with a 32-bit value in hex (for signing)\n" " --keyid-from-cert file\n" " read keyid value from SKID of a x509 cert file\n" " -o, --portable generate portable EVM signatures\n" " -p, --pass password for encrypted signing key\n" " -r, --recursive recurse into directories (sign)\n" " -t, --type file types to fix 'fxm' (f: file)\n" " x - skip fixing if both ima and evm xattrs exist (use with caution)\n" " m - stay on the same filesystem (like 'find -xdev')\n" " -n print result to stdout instead of setting xattr\n" " -u, --uuid use custom FS UUID for EVM (unspecified: from FS, empty: do not use)\n" " --smack use extra SMACK xattrs for EVM\n" " --m32 force EVM hmac/signature for 32 bit target system\n" " --m64 force EVM hmac/signature for 64 bit target system\n" " --ino use custom inode for EVM\n" " --uid use custom UID for EVM\n" " --gid use custom GID for EVM\n" " --mode use custom Mode for EVM\n" " --generation use custom Generation for EVM(unspecified: from FS, empty: use 0)\n" " --ima use custom IMA signature for EVM\n" " --selinux use custom Selinux label for EVM\n" " --caps use custom Capabilities for EVM(unspecified: from FS, empty: do not use)\n" " --verify-sig verify measurement list signatures\n" " --engine e preload OpenSSL engine e (such as: gost)\n" " --ignore-violations ignore ToMToU measurement violations\n" " -v increase verbosity level\n" " -h, --help display this help and exit\n" "\n" "Environment variables:\n\n" "EVMCTL_KEY_PASSWORD : Private key password to use; do not use --pass option\n" "\n", DEFAULT_HASH_ALGO); } struct command cmds[] = { {"--version", NULL, 0, ""}, {"help", cmd_help, 0, ""}, {"import", cmd_import, 0, "[--rsa] pubkey keyring", "Import public key into the keyring.\n"}, {"convert", cmd_convert, 0, "key", "convert public key into the keyring.\n"}, {"sign", cmd_sign_evm, 0, "[-r] [--imahash | --imasig ] [--key key] [--pass [password] file", "Sign file metadata.\n"}, {"verify", cmd_verify_evm, 0, "file", "Verify EVM signature (for debugging).\n"}, {"ima_sign", cmd_sign_ima, 0, "[--sigfile] [--key key] [--pass [password] file", "Make file content signature.\n"}, {"ima_verify", cmd_verify_ima, 0, "file", "Verify IMA signature (for debugging).\n"}, {"ima_setxattr", cmd_setxattr_ima, 0, "[--sigfile file]", "Set IMA signature from sigfile\n"}, {"ima_hash", cmd_hash_ima, 0, "file", "Make file content hash.\n"}, {"ima_measurement", cmd_ima_measurement, 0, "[--ignore-violations] [--verify-sig [--key key1, key2, ...]] [--pcrs [hash-algorithm,]file [--pcrs hash-algorithm,file] ...] [--verify-bank hash-algorithm] file", "Verify measurement list (experimental).\n"}, {"ima_boot_aggregate", cmd_ima_bootaggr, 0, "[--pcrs hash-algorithm,file] [TPM 1.2 BIOS event log]", "Calculate per TPM bank boot_aggregate digests\n"}, {"ima_fix", cmd_ima_fix, 0, "[-t fdsxm] path", "Recursively fix IMA/EVM xattrs in fix mode.\n"}, {"ima_clear", cmd_ima_clear, 0, "[-t fdsxm] path", "Recursively remove IMA/EVM xattrs.\n"}, {"sign_hash", cmd_sign_hash, 0, "[--key key] [--pass [password]", "Sign hashes from shaXsum output.\n"}, #ifdef DEBUG {"hmac", cmd_hmac_evm, 0, "[--imahash | --imasig ] file", "Sign file metadata with HMAC using symmetric key (for testing purpose).\n"}, #endif {0, 0, 0, NULL} }; static struct option opts[] = { {"help", 0, 0, 'h'}, {"imasig", 0, 0, 's'}, {"imahash", 0, 0, 'd'}, {"hashalgo", 1, 0, 'a'}, {"pass", 2, 0, 'p'}, {"sigfile", 0, 0, 'f'}, {"uuid", 2, 0, 'u'}, {"rsa", 0, 0, '1'}, {"key", 1, 0, 'k'}, {"type", 1, 0, 't'}, {"recursive", 0, 0, 'r'}, {"m32", 0, 0, '3'}, {"m64", 0, 0, '6'}, {"portable", 0, 0, 'o'}, {"smack", 0, 0, 128}, {"version", 0, 0, 129}, {"inode", 1, 0, 130}, {"uid", 1, 0, 131}, {"gid", 1, 0, 132}, {"mode", 1, 0, 133}, {"generation", 1, 0, 134}, {"ima", 1, 0, 135}, {"selinux", 1, 0, 136}, {"caps", 2, 0, 137}, {"verify-sig", 0, 0, 138}, {"engine", 1, 0, 139}, {"xattr-user", 0, 0, 140}, {"ignore-violations", 0, 0, 141}, {"pcrs", 1, 0, 142}, {"verify-bank", 2, 0, 143}, {"keyid", 1, 0, 144}, {"keyid-from-cert", 1, 0, 145}, {} }; static char *get_password(void) { struct termios flags, tmp_flags; char *password, *pwd; int passlen = 64; password = malloc(passlen); if (!password) { perror("malloc"); return NULL; } tcgetattr(fileno(stdin), &flags); tmp_flags = flags; tmp_flags.c_lflag &= ~ECHO; tmp_flags.c_lflag |= ECHONL; if (tcsetattr(fileno(stdin), TCSANOW, &tmp_flags) != 0) { perror("tcsetattr"); free(password); return NULL; } printf("PEM password: "); pwd = fgets(password, passlen, stdin); /* restore terminal */ if (tcsetattr(fileno(stdin), TCSANOW, &flags) != 0) { perror("tcsetattr"); free(password); return NULL; } if (pwd == NULL) { free(password); return NULL; } return password; } static ENGINE *setup_engine(const char *engine_id) { ENGINE *eng = ENGINE_by_id(engine_id); if (!eng) { log_err("engine %s isn't available\n", optarg); ERR_print_errors_fp(stderr); } else if (!ENGINE_init(eng)) { log_err("engine %s init failed\n", optarg); ERR_print_errors_fp(stderr); ENGINE_free(eng); eng = NULL; } if (eng) ENGINE_set_default(eng, ENGINE_METHOD_ALL); return eng; } int main(int argc, char *argv[]) { int err = 0, c, lind; unsigned long keyid; char *eptr; #if !(OPENSSL_VERSION_NUMBER < 0x10100000) OPENSSL_init_crypto( #ifndef DISABLE_OPENSSL_CONF OPENSSL_INIT_LOAD_CONFIG | #endif OPENSSL_INIT_ENGINE_ALL_BUILTIN, NULL); #endif g_argv = argv; g_argc = argc; while (1) { c = getopt_long(argc, argv, "hvnsda:op::fu::k:t:ri", opts, &lind); if (c == -1) break; switch (c) { case 'h': usage(); exit(0); break; case 'v': imaevm_params.verbose++; break; case 'd': digest = 1; break; case 's': digsig = 1; break; case 'n': /* do not set Extended Attributes... just print signature */ xattr = 0; sigdump = 1; break; case 'a': imaevm_params.hash_algo = optarg; break; case 'p': if (optarg) imaevm_params.keypass = optarg; else imaevm_params.keypass = get_password(); break; case 'f': sigfile = 1; break; case 'u': uuid_str = optarg; if (!uuid_str) hmac_flags |= HMAC_FLAG_NO_UUID; break; case '1': imaevm_params.x509 = 0; break; case 'k': imaevm_params.keyfile = optarg; break; case 'i': if (evm_portable) log_err("Portable and immutable options are exclusive, ignoring immutable option."); else evm_immutable = true; break; case 'o': if (evm_immutable) log_err("Portable and immutable options are exclusive, ignoring portable option."); else evm_portable = true; break; case 't': search_type = optarg; break; case 'r': recursive = 1; break; case '3': msize = 32; break; case '6': msize = 64; break; case 128: evm_config_xattrnames = evm_extra_smack_xattrs; break; case 129: printf("evmctl %s\n", VERSION); exit(0); break; case 130: ino_str = optarg; break; case 131: uid_str = optarg; break; case 132: gid_str = optarg; break; case 133: mode_str = optarg; break; case 134: generation_str = optarg; break; case 135: ima_str = optarg; break; case 136: selinux_str = optarg; break; case 137: caps_str = optarg; hmac_flags |= HMAC_FLAG_CAPS_SET; break; case 138: verify_list_sig = 1; break; case 139: /* --engine e */ imaevm_params.eng = setup_engine(optarg); if (!imaevm_params.eng) goto error; break; case 140: /* --xattr-user */ xattr_ima = "user.ima"; xattr_evm = "user.evm"; break; case 141: /* --ignore-violations */ ignore_violations = 1; break; case 142: if (npcrfile >= MAX_PCRFILE) { log_err("too many --pcrfile options\n"); exit(1); } pcrfile[npcrfile++] = optarg; break; case 143: verify_bank = optarg; break; case 144: errno = 0; keyid = strtoul(optarg, &eptr, 16); /* * ULONG_MAX is error from strtoul(3), * UINT_MAX is `imaevm_params.keyid' maximum value, * 0 is reserved for keyid being unset. */ if (errno || eptr - optarg != strlen(optarg) || keyid == ULONG_MAX || keyid > UINT_MAX || keyid == 0) { log_err("Invalid keyid value.\n"); exit(1); } imaevm_params.keyid = keyid; break; case 145: keyid = imaevm_read_keyid(optarg); if (keyid == 0) { log_err("Error reading keyid.\n"); exit(1); } imaevm_params.keyid = keyid; break; case '?': exit(1); break; default: log_err("getopt() returned: %d (%c)\n", c, c); } } if (!imaevm_params.keypass) imaevm_params.keypass = getenv("EVMCTL_KEY_PASSWORD"); if (imaevm_params.keyfile != NULL && imaevm_params.eng == NULL && !strncmp(imaevm_params.keyfile, "pkcs11:", 7)) { imaevm_params.eng = setup_engine("pkcs11"); if (!imaevm_params.eng) goto error; } if (argv[optind] == NULL) usage(); else err = call_command(cmds, argv[optind++]); if (err) { unsigned long error; if (errno) log_err("errno: %s (%d)\n", strerror(errno), errno); for (;;) { error = ERR_get_error(); if (!error) break; log_err("%s\n", ERR_error_string(error, NULL)); } if (err < 0) err = 125; } error: if (imaevm_params.eng) { ENGINE_finish(imaevm_params.eng); ENGINE_free(imaevm_params.eng); #if OPENSSL_API_COMPAT < 0x10100000L ENGINE_cleanup(); #endif } ERR_free_strings(); EVP_cleanup(); BIO_free(NULL); return err; } ima-evm-utils-1.4/src/hash_info.gen000077500000000000000000000047341414054773100173100ustar00rootroot00000000000000#!/bin/sh # # Generate hash_info.h from kernel headers # # Copyright (C) 2018 # # This program is free software; you can redistribute it and/or modify # it under the terms of the GNU General Public License as published by # the Free Software Foundation; either version 2, or (at your option) # any later version. # # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU General Public License for more details. KERNEL_HEADERS=$1 HASH_INFO_H=uapi/linux/hash_info.h HASH_INFO=$KERNEL_HEADERS/include/$HASH_INFO_H TMPHASHINFO="./tmp_hash_info.h" gen_hashinfo() { cat << __EOF__ >$TMPHASHINFO /* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */ /* * Hash Info: Hash algorithms information * * Copyright (c) 2013 Dmitry Kasatkin * * This program is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License as published by the Free * Software Foundation; either version 2 of the License, or (at your option) * any later version. * */ enum hash_algo { HASH_ALGO_MD4, HASH_ALGO_MD5, HASH_ALGO_SHA1, HASH_ALGO_RIPE_MD_160, HASH_ALGO_SHA256, HASH_ALGO_SHA384, HASH_ALGO_SHA512, HASH_ALGO_SHA224, HASH_ALGO_RIPE_MD_128, HASH_ALGO_RIPE_MD_256, HASH_ALGO_RIPE_MD_320, HASH_ALGO_WP_256, HASH_ALGO_WP_384, HASH_ALGO_WP_512, HASH_ALGO_TGR_128, HASH_ALGO_TGR_160, HASH_ALGO_TGR_192, HASH_ALGO_SM3_256, HASH_ALGO__LAST }; __EOF__ } # Allow to specify kernel-headers past include/ if [ ! -e $HASH_INFO ]; then HASH_INFO2=$KERNEL_HEADERS/$HASH_INFO_H if [ -e $HASH_INFO2 ]; then HASH_INFO=$HASH_INFO2 else gen_hashinfo HASH_INFO="$TMPHASHINFO" fi fi if [ ! -e $HASH_INFO ]; then echo "/* $HASH_INFO is not found */" HASH_INFO=/dev/null else echo "/* $HASH_INFO is found */" fi echo "enum hash_algo {" grep HASH_ALGO_.*, $HASH_INFO printf "\tHASH_ALGO__LAST\n" echo "};" echo "const char *const hash_algo_name[HASH_ALGO__LAST] = {" sed -n 's/HASH_ALGO_\(.*\),/\1 \L\1\E/p' $HASH_INFO | \ while read a b; do # Normalize text hash name: sm3 algorithm name is different from # the macro definition, which is also the only special case of an # underscore between digits. Remove all other underscores. b=$(echo "$b" | sed "s/sm3_256/sm3/g;s/_//g") printf '\t%-26s = "%s",\n' "[HASH_ALGO_$a]" "$b" done echo "};" ima-evm-utils-1.4/src/imaevm.h000066400000000000000000000150371414054773100163010ustar00rootroot00000000000000/* * ima-evm-utils - IMA/EVM support utilities * * Copyright (C) 2011 Nokia Corporation * Copyright (C) 2011,2012,2013 Intel Corporation * Copyright (C) 2013,2014 Samsung Electronics * * Authors: * Dmitry Kasatkin * * * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * version 2 as published by the Free Software Foundation. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program. If not, see . * * As a special exception, the copyright holders give permission to link the * code of portions of this program with the OpenSSL library under certain * conditions as described in each individual source file and distribute * linked combinations including the program with the OpenSSL library. You * must comply with the GNU General Public License in all respects * for all of the code used other than as permitted herein. If you modify * file(s) with this exception, you may extend this exception to your * version of the file(s), but you are not obligated to do so. If you do not * wish to do so, delete this exception statement from your version. If you * delete this exception statement from all source files in the program, * then also delete it in the license file. * * File: imaevm.h * IMA/EVM header file */ #ifndef _LIBIMAEVM_H #define _LIBIMAEVM_H #include #include #include #include #include #include #include #include #ifdef USE_FPRINTF #define do_log(level, fmt, args...) \ ({ if (level <= imaevm_params.verbose) fprintf(stderr, fmt, ##args); }) #define do_log_dump(level, p, len, cr) \ ({ if (level <= imaevm_params.verbose) imaevm_do_hexdump(stderr, p, len, cr); }) #else #define do_log(level, fmt, args...) syslog(level, fmt, ##args) #define do_log_dump(level, p, len, cr) #endif #ifdef DEBUG #define log_debug(fmt, args...) do_log(LOG_DEBUG, "%s:%d " fmt, __func__ , __LINE__ , ##args) #define log_debug_dump(p, len) do_log_dump(LOG_DEBUG, p, len, true) #define log_debug_dump_n(p, len) do_log_dump(LOG_DEBUG, p, len, false) #else #define log_debug(fmt, args...) #define log_debug_dump(p, len) #endif #define log_dump(p, len) do_log_dump(LOG_INFO, p, len, true) #define log_dump_n(p, len) do_log_dump(LOG_INFO, p, len, false) #define log_info(fmt, args...) do_log(LOG_INFO, fmt, ##args) #define log_err(fmt, args...) do_log(LOG_ERR, fmt, ##args) #define log_errno(fmt, args...) do_log(LOG_ERR, fmt ": errno: %s (%d)\n", ##args, strerror(errno), errno) #ifndef DEFAULT_HASH_ALGO #define DEFAULT_HASH_ALGO "sha256" #endif #define DATA_SIZE 4096 #define SHA1_HASH_LEN 20 #define MAX_DIGEST_SIZE 64 #define MAX_SIGNATURE_SIZE 1024 #define __packed __attribute__((packed)) enum evm_ima_xattr_type { IMA_XATTR_DIGEST = 0x01, EVM_XATTR_HMAC, EVM_IMA_XATTR_DIGSIG, IMA_XATTR_DIGEST_NG, EVM_XATTR_PORTABLE_DIGSIG, }; struct h_misc { unsigned long ino; uint32_t generation; uid_t uid; gid_t gid; unsigned short mode; }; struct h_misc_32 { uint32_t ino; uint32_t generation; uid_t uid; gid_t gid; unsigned short mode; }; struct h_misc_64 { uint64_t ino; uint32_t generation; uid_t uid; gid_t gid; unsigned short mode; }; struct h_misc_digsig { uid_t uid; gid_t gid; unsigned short mode; }; enum pubkey_algo { PUBKEY_ALGO_RSA, PUBKEY_ALGO_MAX, }; enum digest_algo { DIGEST_ALGO_SHA1, DIGEST_ALGO_SHA256, DIGEST_ALGO_MAX }; enum digsig_version { DIGSIG_VERSION_1 = 1, DIGSIG_VERSION_2 }; struct pubkey_hdr { uint8_t version; /* key format version */ uint32_t timestamp; /* key made, always 0 for now */ uint8_t algo; uint8_t nmpi; char mpi[0]; } __packed; struct signature_hdr { uint8_t version; /* signature format version */ uint32_t timestamp; /* signature made */ uint8_t algo; uint8_t hash; uint8_t keyid[8]; uint8_t nmpi; char mpi[0]; } __packed; /* reflect enum hash_algo from include/uapi/linux/hash_info.h */ enum pkey_hash_algo { PKEY_HASH_MD4, PKEY_HASH_MD5, PKEY_HASH_SHA1, PKEY_HASH_RIPE_MD_160, PKEY_HASH_SHA256, PKEY_HASH_SHA384, PKEY_HASH_SHA512, PKEY_HASH_SHA224, PKEY_HASH_RIPE_MD_128, PKEY_HASH_RIPE_MD_256, PKEY_HASH_RIPE_MD_320, PKEY_HASH_WP_256, PKEY_HASH_WP_384, PKEY_HASH_WP_512, PKEY_HASH_TGR_128, PKEY_HASH_TGR_160, PKEY_HASH_TGR_192, PKEY_HASH_SM3_256, PKEY_HASH_STREEBOG_256, PKEY_HASH_STREEBOG_512, PKEY_HASH__LAST }; /* * signature format v2 - for using with asymmetric keys */ struct signature_v2_hdr { uint8_t version; /* signature format version */ uint8_t hash_algo; /* Digest algorithm [enum pkey_hash_algo] */ uint32_t keyid; /* IMA key identifier - not X509/PGP specific*/ uint16_t sig_size; /* signature size */ uint8_t sig[0]; /* signature payload */ } __packed; struct libimaevm_params { int verbose; int x509; const char *hash_algo; const char *keyfile; const char *keypass; uint32_t keyid; /* keyid overriding value, unless 0. (Host order.) */ ENGINE *eng; }; struct RSA_ASN1_template { const uint8_t *data; size_t size; }; #define NUM_PCRS 24 #define DEFAULT_PCR 10 extern struct libimaevm_params imaevm_params; void imaevm_do_hexdump(FILE *fp, const void *ptr, int len, bool cr); void imaevm_hexdump(const void *ptr, int len); int ima_calc_hash(const char *file, uint8_t *hash); int imaevm_get_hash_algo(const char *algo); RSA *read_pub_key(const char *keyfile, int x509); EVP_PKEY *read_pub_pkey(const char *keyfile, int x509); void calc_keyid_v1(uint8_t *keyid, char *str, const unsigned char *pkey, int len); void calc_keyid_v2(uint32_t *keyid, char *str, EVP_PKEY *pkey); int key2bin(RSA *key, unsigned char *pub); uint32_t imaevm_read_keyid(const char *certfile); int sign_hash(const char *algo, const unsigned char *hash, int size, const char *keyfile, const char *keypass, unsigned char *sig); int verify_hash(const char *file, const unsigned char *hash, int size, unsigned char *sig, int siglen); int ima_verify_signature(const char *file, unsigned char *sig, int siglen, unsigned char *digest, int digestlen); void init_public_keys(const char *keyfiles); int imaevm_hash_algo_from_sig(unsigned char *sig); const char *imaevm_hash_algo_by_id(int algo); #endif ima-evm-utils-1.4/src/libimaevm.c000066400000000000000000000621271414054773100167650ustar00rootroot00000000000000/* * ima-evm-utils - IMA/EVM support utilities * * Copyright (C) 2011 Nokia Corporation * Copyright (C) 2011,2012,2013 Intel Corporation * Copyright (C) 2013,2014 Samsung Electronics * * Authors: * Dmitry Kasatkin * * * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * version 2 as published by the Free Software Foundation. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program. If not, see . * * As a special exception, the copyright holders give permission to link the * code of portions of this program with the OpenSSL library under certain * conditions as described in each individual source file and distribute * linked combinations including the program with the OpenSSL library. You * must comply with the GNU General Public License in all respects * for all of the code used other than as permitted herein. If you modify * file(s) with this exception, you may extend this exception to your * version of the file(s), but you are not obligated to do so. If you do not * wish to do so, delete this exception statement from your version. If you * delete this exception statement from all source files in the program, * then also delete it in the license file. * * File: libimaevm.c * IMA/EVM library */ /* should we use logger instead for library? */ #define USE_FPRINTF #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include "imaevm.h" #include "hash_info.h" /* Names that are primary for OpenSSL. */ static const char *const pkey_hash_algo[PKEY_HASH__LAST] = { [PKEY_HASH_MD4] = "md4", [PKEY_HASH_MD5] = "md5", [PKEY_HASH_SHA1] = "sha1", [PKEY_HASH_RIPE_MD_160] = "rmd160", [PKEY_HASH_SHA256] = "sha256", [PKEY_HASH_SHA384] = "sha384", [PKEY_HASH_SHA512] = "sha512", [PKEY_HASH_SHA224] = "sha224", [PKEY_HASH_SM3_256] = "sm3", [PKEY_HASH_STREEBOG_256] = "md_gost12_256", [PKEY_HASH_STREEBOG_512] = "md_gost12_512", }; /* Names that are primary for the kernel. */ static const char *const pkey_hash_algo_kern[PKEY_HASH__LAST] = { [PKEY_HASH_STREEBOG_256] = "streebog256", [PKEY_HASH_STREEBOG_512] = "streebog512", }; struct libimaevm_params imaevm_params = { .verbose = LOG_INFO, .x509 = 1, .hash_algo = DEFAULT_HASH_ALGO, }; static void __attribute__ ((constructor)) libinit(void); void imaevm_do_hexdump(FILE *fp, const void *ptr, int len, bool newline) { int i; uint8_t *data = (uint8_t *) ptr; for (i = 0; i < len; i++) fprintf(fp, "%02x", data[i]); if (newline) fprintf(fp, "\n"); } void imaevm_hexdump(const void *ptr, int len) { imaevm_do_hexdump(stdout, ptr, len, true); } const char *imaevm_hash_algo_by_id(int algo) { if (algo < PKEY_HASH__LAST) return pkey_hash_algo[algo]; if (algo < HASH_ALGO__LAST) return hash_algo_name[algo]; log_err("digest %d not found\n", algo); return NULL; } /* Output all remaining openssl error messages. */ static void output_openssl_errors(void) { while (ERR_peek_error()) { char buf[256]; /* buf must be at least 256 bytes long according to man */ ERR_error_string(ERR_get_error(), buf); log_err("openssl: %s\n", buf); } } static int add_file_hash(const char *file, EVP_MD_CTX *ctx) { uint8_t *data; int err = -1, bs = DATA_SIZE; off_t size, len; FILE *fp; struct stat stats; fp = fopen(file, "r"); if (!fp) { log_err("Failed to open: %s\n", file); return -1; } data = malloc(bs); if (!data) { log_err("malloc failed\n"); goto out; } if (fstat(fileno(fp), &stats) == -1) { log_err("Failed to fstat: %s (%s)\n", file, strerror(errno)); goto out; } for (size = stats.st_size; size; size -= len) { len = MIN(size, bs); if (fread(data, len, 1, fp) != 1) { if (ferror(fp)) { log_err("fread() failed\n\n"); goto out; } break; } if (!EVP_DigestUpdate(ctx, data, len)) { log_err("EVP_DigestUpdate() failed\n"); err = 1; goto out; } } err = 0; out: fclose(fp); free(data); return err; } int ima_calc_hash(const char *file, uint8_t *hash) { const EVP_MD *md; struct stat st; EVP_MD_CTX *pctx; unsigned int mdlen; int err; #if OPENSSL_VERSION_NUMBER < 0x10100000 EVP_MD_CTX ctx; pctx = &ctx; #else pctx = EVP_MD_CTX_new(); #endif /* Need to know the file length */ err = lstat(file, &st); if (err < 0) { log_err("Failed to stat: %s\n", file); goto err; } md = EVP_get_digestbyname(imaevm_params.hash_algo); if (!md) { log_err("EVP_get_digestbyname(%s) failed\n", imaevm_params.hash_algo); err = 1; goto err; } err = EVP_DigestInit(pctx, md); if (!err) { log_err("EVP_DigestInit() failed\n"); err = 1; goto err; } switch (st.st_mode & S_IFMT) { case S_IFREG: err = add_file_hash(file, pctx); break; default: log_err("Unsupported file type (0x%x)", st.st_mode & S_IFMT); err = -1; goto err; } if (err) goto err; err = EVP_DigestFinal(pctx, hash, &mdlen); if (!err) { log_err("EVP_DigestFinal() failed\n"); err = 1; goto err; } err = mdlen; err: if (err == 1) output_openssl_errors(); #if OPENSSL_VERSION_NUMBER >= 0x10100000 EVP_MD_CTX_free(pctx); #endif return err; } EVP_PKEY *read_pub_pkey(const char *keyfile, int x509) { FILE *fp; EVP_PKEY *pkey = NULL; if (!keyfile) return NULL; fp = fopen(keyfile, "r"); if (!fp) { if (imaevm_params.verbose > LOG_INFO) log_info("Failed to open keyfile: %s\n", keyfile); return NULL; } if (x509) { X509 *crt = d2i_X509_fp(fp, NULL); if (!crt) { log_err("Failed to d2i_X509_fp key file: %s\n", keyfile); goto out; } pkey = X509_extract_key(crt); X509_free(crt); if (!pkey) { log_err("Failed to X509_extract_key key file: %s\n", keyfile); goto out; } } else { pkey = PEM_read_PUBKEY(fp, NULL, NULL, NULL); if (!pkey) log_err("Failed to PEM_read_PUBKEY key file: %s\n", keyfile); } out: if (!pkey) output_openssl_errors(); fclose(fp); return pkey; } RSA *read_pub_key(const char *keyfile, int x509) { EVP_PKEY *pkey; RSA *key; pkey = read_pub_pkey(keyfile, x509); if (!pkey) return NULL; key = EVP_PKEY_get1_RSA(pkey); EVP_PKEY_free(pkey); if (!key) { log_err("read_pub_key: unsupported key type\n"); output_openssl_errors(); return NULL; } return key; } static int verify_hash_v1(const char *file, const unsigned char *hash, int size, unsigned char *sig, int siglen, const char *keyfile) { int err, len; SHA_CTX ctx; unsigned char out[1024]; RSA *key; unsigned char sighash[20]; struct signature_hdr *hdr = (struct signature_hdr *)sig; log_info("hash-v1: "); log_dump(hash, size); key = read_pub_key(keyfile, 0); if (!key) return 1; SHA1_Init(&ctx); SHA1_Update(&ctx, hash, size); SHA1_Update(&ctx, hdr, sizeof(*hdr)); SHA1_Final(sighash, &ctx); log_info("sighash: "); log_dump(sighash, sizeof(sighash)); err = RSA_public_decrypt(siglen - sizeof(*hdr) - 2, sig + sizeof(*hdr) + 2, out, key, RSA_PKCS1_PADDING); RSA_free(key); if (err < 0) { log_err("%s: RSA_public_decrypt() failed: %d\n", file, err); output_openssl_errors(); return 1; } len = err; if (len != sizeof(sighash) || memcmp(out, sighash, len) != 0) { log_err("%s: verification failed: %d\n", file, err); return -1; } return 0; } struct public_key_entry { struct public_key_entry *next; uint32_t keyid; char name[9]; EVP_PKEY *key; }; static struct public_key_entry *public_keys = NULL; static EVP_PKEY *find_keyid(uint32_t keyid) { struct public_key_entry *entry, *tail = public_keys; int i = 1; for (entry = public_keys; entry != NULL; entry = entry->next) { if (entry->keyid == keyid) return entry->key; i++; tail = entry; } /* add unknown keys to list */ entry = calloc(1, sizeof(struct public_key_entry)); if (!entry) { perror("calloc"); return 0; } entry->keyid = keyid; if (tail) tail->next = entry; else public_keys = entry; log_err("key %d: %x (unknown keyid)\n", i, __be32_to_cpup(&keyid)); return 0; } void init_public_keys(const char *keyfiles) { struct public_key_entry *entry; char *tmp_keyfiles, *keyfiles_free; char *keyfile; int i = 1; tmp_keyfiles = strdup(keyfiles); keyfiles_free = tmp_keyfiles; while ((keyfile = strsep(&tmp_keyfiles, ", \t")) != NULL) { if ((*keyfile == '\0') || (*keyfile == ' ') || (*keyfile == '\t')) continue; entry = malloc(sizeof(struct public_key_entry)); if (!entry) { perror("malloc"); break; } entry->key = read_pub_pkey(keyfile, 1); if (!entry->key) { free(entry); continue; } calc_keyid_v2(&entry->keyid, entry->name, entry->key); sprintf(entry->name, "%x", __be32_to_cpup(&entry->keyid)); log_info("key %d: %s %s\n", i++, entry->name, keyfile); entry->next = public_keys; public_keys = entry; } free(keyfiles_free); } /* * Return: 0 verification good, 1 verification bad, -1 error. */ static int verify_hash_v2(const char *file, const unsigned char *hash, int size, unsigned char *sig, int siglen) { int ret = -1; EVP_PKEY *pkey, *pkey_free = NULL; struct signature_v2_hdr *hdr = (struct signature_v2_hdr *)sig; EVP_PKEY_CTX *ctx; const EVP_MD *md; const char *st; if (imaevm_params.verbose > LOG_INFO) { log_info("hash(%s): ", imaevm_params.hash_algo); log_dump(hash, size); } pkey = find_keyid(hdr->keyid); if (!pkey) { uint32_t keyid = hdr->keyid; if (imaevm_params.verbose > LOG_INFO) log_info("%s: verification failed: unknown keyid %x\n", file, __be32_to_cpup(&keyid)); return -1; } #if defined(EVP_PKEY_SM2) && OPENSSL_VERSION_NUMBER < 0x30000000 /* If EC key are used, check whether it is SM2 key */ if (EVP_PKEY_id(pkey) == EVP_PKEY_EC) { EC_KEY *ec = EVP_PKEY_get0_EC_KEY(pkey); int curve = EC_GROUP_get_curve_name(EC_KEY_get0_group(ec)); if (curve == NID_sm2) EVP_PKEY_set_alias_type(pkey, EVP_PKEY_SM2); } #endif st = "EVP_PKEY_CTX_new"; if (!(ctx = EVP_PKEY_CTX_new(pkey, NULL))) goto err; st = "EVP_PKEY_verify_init"; if (!EVP_PKEY_verify_init(ctx)) goto err; st = "EVP_get_digestbyname"; if (!(md = EVP_get_digestbyname(imaevm_params.hash_algo))) goto err; st = "EVP_PKEY_CTX_set_signature_md"; if (!EVP_PKEY_CTX_set_signature_md(ctx, md)) goto err; st = "EVP_PKEY_verify"; ret = EVP_PKEY_verify(ctx, sig + sizeof(*hdr), siglen - sizeof(*hdr), hash, size); if (ret == 1) ret = 0; else if (ret == 0) { log_err("%s: verification failed: %d (%s)\n", file, ret, ERR_reason_error_string(ERR_get_error())); output_openssl_errors(); ret = 1; } err: if (ret < 0 || ret > 1) { log_err("%s: verification failed: %d (%s) in %s\n", file, ret, ERR_reason_error_string(ERR_peek_error()), st); output_openssl_errors(); ret = -1; } EVP_PKEY_CTX_free(ctx); EVP_PKEY_free(pkey_free); return ret; } int imaevm_get_hash_algo(const char *algo) { int i; /* first iterate over builtin algorithms */ for (i = 0; i < PKEY_HASH__LAST; i++) if (pkey_hash_algo[i] && !strcmp(algo, pkey_hash_algo[i])) return i; for (i = 0; i < PKEY_HASH__LAST; i++) if (pkey_hash_algo_kern[i] && !strcmp(algo, pkey_hash_algo_kern[i])) return i; /* iterate over algorithms provided by kernel-headers */ for (i = 0; i < HASH_ALGO__LAST; i++) if (hash_algo_name[i] && !strcmp(algo, hash_algo_name[i])) return i; return -1; } int imaevm_hash_algo_from_sig(unsigned char *sig) { uint8_t hashalgo; if (sig[0] == DIGSIG_VERSION_1) { hashalgo = ((struct signature_hdr *)sig)->hash; if (hashalgo >= DIGEST_ALGO_MAX) return -1; switch (hashalgo) { case DIGEST_ALGO_SHA1: return PKEY_HASH_SHA1; case DIGEST_ALGO_SHA256: return PKEY_HASH_SHA256; default: return -1; } } else if (sig[0] == DIGSIG_VERSION_2) { hashalgo = ((struct signature_v2_hdr *)sig)->hash_algo; if (hashalgo >= PKEY_HASH__LAST) return -1; return hashalgo; } else return -1; } int verify_hash(const char *file, const unsigned char *hash, int size, unsigned char *sig, int siglen) { /* Get signature type from sig header */ if (sig[0] == DIGSIG_VERSION_1) { const char *key = NULL; /* Read pubkey from RSA key */ if (!imaevm_params.keyfile) key = "/etc/keys/pubkey_evm.pem"; else key = imaevm_params.keyfile; return verify_hash_v1(file, hash, size, sig, siglen, key); } else if (sig[0] == DIGSIG_VERSION_2) { return verify_hash_v2(file, hash, size, sig, siglen); } else return -1; } int ima_verify_signature(const char *file, unsigned char *sig, int siglen, unsigned char *digest, int digestlen) { unsigned char hash[MAX_DIGEST_SIZE]; int hashlen, sig_hash_algo; if (sig[0] != EVM_IMA_XATTR_DIGSIG) { log_err("%s: xattr ima has no signature\n", file); return -1; } sig_hash_algo = imaevm_hash_algo_from_sig(sig + 1); if (sig_hash_algo < 0) { log_err("%s: Invalid signature\n", file); return -1; } /* Use hash algorithm as retrieved from signature */ imaevm_params.hash_algo = imaevm_hash_algo_by_id(sig_hash_algo); /* * Validate the signature based on the digest included in the * measurement list, not by calculating the local file digest. */ if (digestlen > 0) return verify_hash(file, digest, digestlen, sig + 1, siglen - 1); hashlen = ima_calc_hash(file, hash); if (hashlen <= 1) return hashlen; assert(hashlen <= sizeof(hash)); return verify_hash(file, hash, hashlen, sig + 1, siglen - 1); } /* * Create binary key representation suitable for kernel */ int key2bin(RSA *key, unsigned char *pub) { int len, b, offset = 0; struct pubkey_hdr *pkh = (struct pubkey_hdr *)pub; const BIGNUM *n, *e; #if OPENSSL_VERSION_NUMBER < 0x10100000 n = key->n; e = key->e; #else RSA_get0_key(key, &n, &e, NULL); #endif /* add key header */ pkh->version = 1; pkh->timestamp = 0; /* PEM has no timestamp?? */ pkh->algo = PUBKEY_ALGO_RSA; pkh->nmpi = 2; offset += sizeof(*pkh); len = BN_num_bytes(n); b = BN_num_bits(n); pub[offset++] = b >> 8; pub[offset++] = b & 0xff; BN_bn2bin(n, &pub[offset]); offset += len; len = BN_num_bytes(e); b = BN_num_bits(e); pub[offset++] = b >> 8; pub[offset++] = b & 0xff; BN_bn2bin(e, &pub[offset]); offset += len; return offset; } void calc_keyid_v1(uint8_t *keyid, char *str, const unsigned char *pkey, int len) { uint8_t sha1[SHA_DIGEST_LENGTH]; uint64_t id; SHA1(pkey, len, sha1); /* sha1[12 - 19] is exactly keyid from gpg file */ memcpy(keyid, sha1 + 12, 8); log_debug("keyid: "); log_debug_dump(keyid, 8); id = __be64_to_cpup((__be64 *) keyid); sprintf(str, "%llX", (unsigned long long)id); if (imaevm_params.verbose > LOG_INFO) log_info("keyid-v1: %s\n", str); } /* * Calculate keyid of the public_key part of EVP_PKEY */ void calc_keyid_v2(uint32_t *keyid, char *str, EVP_PKEY *pkey) { X509_PUBKEY *pk = NULL; const unsigned char *public_key = NULL; int len; /* This is more generic than i2d_PublicKey() */ if (X509_PUBKEY_set(&pk, pkey) && X509_PUBKEY_get0_param(NULL, &public_key, &len, NULL, pk)) { uint8_t sha1[SHA_DIGEST_LENGTH]; SHA1(public_key, len, sha1); /* sha1[12 - 19] is exactly keyid from gpg file */ memcpy(keyid, sha1 + 16, 4); } else *keyid = 0; log_debug("keyid: "); log_debug_dump(keyid, 4); sprintf(str, "%x", __be32_to_cpup(keyid)); if (imaevm_params.verbose > LOG_INFO) log_info("keyid: %s\n", str); X509_PUBKEY_free(pk); } /* * Extract SKID from x509 in openssl portable way. */ static const unsigned char *x509_get_skid(X509 *x, int *len) { #if OPENSSL_VERSION_NUMBER < 0x10100000 ASN1_STRING *skid; /* * This will cache extensions. * OpenSSL uses this method itself. */ if (X509_check_purpose(x, -1, -1) != 1) return NULL; skid = x->skid; #else const ASN1_OCTET_STRING *skid = X509_get0_subject_key_id(x); #endif if (len) *len = ASN1_STRING_length(skid); #if OPENSSL_VERSION_NUMBER < 0x10100000 return ASN1_STRING_data(x->skid); #else return ASN1_STRING_get0_data(skid); #endif } /* * read_keyid_from_cert() - Read keyid from SKID from x509 certificate file * @keyid_be: Output 32-bit keyid in network order (BE); * @certfile: Input filename. * @try_der: true: try to read in DER from if there is no PEM, * cert is considered mandatory and error will be issued * if there is no cert; * false: only try to read in PEM form, cert is considered * optional. * Return: 0 on success, -1 on error. */ static int read_keyid_from_cert(uint32_t *keyid_be, const char *certfile, int try_der) { X509 *x = NULL; FILE *fp; const unsigned char *skid; int skid_len; if (!(fp = fopen(certfile, "r"))) { log_err("Cannot open %s: %s\n", certfile, strerror(errno)); return -1; } if (!PEM_read_X509(fp, &x, NULL, NULL)) { if (ERR_GET_REASON(ERR_peek_last_error()) == PEM_R_NO_START_LINE) { ERR_clear_error(); if (try_der) { rewind(fp); d2i_X509_fp(fp, &x); } else { /* * Cert is optional and there is just no PEM * header, then issue debug message and stop * trying. */ log_debug("%s: x509 certificate not found\n", certfile); fclose(fp); return -1; } } } fclose(fp); if (!x) { ERR_print_errors_fp(stderr); log_err("read keyid: %s: Error reading x509 certificate\n", certfile); } if (!(skid = x509_get_skid(x, &skid_len))) { log_err("read keyid: %s: SKID not found\n", certfile); goto err_free; } if (skid_len < sizeof(*keyid_be)) { log_err("read keyid: %s: SKID too short (len %d)\n", certfile, skid_len); goto err_free; } memcpy(keyid_be, skid + skid_len - sizeof(*keyid_be), sizeof(*keyid_be)); log_info("keyid %04x (from %s)\n", ntohl(*keyid_be), certfile); X509_free(x); return 0; err_free: X509_free(x); return -1; } /* * imaevm_read_keyid() - Read 32-bit keyid from the cert file * @certfile: File with certificate in PEM or DER form. * * Try to read keyid from Subject Key Identifier (SKID) of x509 certificate. * Autodetect if cert is in PEM (tried first) or DER encoding. * * Return: 0 on error or 32-bit keyid in host order otherwise. */ uint32_t imaevm_read_keyid(const char *certfile) { uint32_t keyid_be = 0; read_keyid_from_cert(&keyid_be, certfile, true); /* On error keyid_be will not be set, returning 0. */ return ntohl(keyid_be); } static EVP_PKEY *read_priv_pkey(const char *keyfile, const char *keypass) { FILE *fp; EVP_PKEY *pkey; if (!strncmp(keyfile, "pkcs11:", 7)) { if (!imaevm_params.keyid) { log_err("When using a pkcs11 URI you must provide the keyid with an option\n"); return NULL; } if (keypass) { if (!ENGINE_ctrl_cmd_string(imaevm_params.eng, "PIN", keypass, 0)) { log_err("Failed to set the PIN for the private key\n"); goto err_engine; } } pkey = ENGINE_load_private_key(imaevm_params.eng, keyfile, NULL, NULL); if (!pkey) { log_err("Failed to load private key %s\n", keyfile); goto err_engine; } } else { fp = fopen(keyfile, "r"); if (!fp) { log_err("Failed to open keyfile: %s\n", keyfile); return NULL; } pkey = PEM_read_PrivateKey(fp, NULL, NULL, (void *)keypass); if (!pkey) { log_err("Failed to PEM_read_PrivateKey key file: %s\n", keyfile); output_openssl_errors(); } fclose(fp); } return pkey; err_engine: output_openssl_errors(); return NULL; } static RSA *read_priv_key(const char *keyfile, const char *keypass) { EVP_PKEY *pkey; RSA *key; pkey = read_priv_pkey(keyfile, keypass); if (!pkey) return NULL; key = EVP_PKEY_get1_RSA(pkey); EVP_PKEY_free(pkey); if (!key) { log_err("read_priv_key: unsupported key type\n"); output_openssl_errors(); return NULL; } return key; } static int get_hash_algo_v1(const char *algo) { if (!strcmp(algo, "sha1")) return DIGEST_ALGO_SHA1; else if (!strcmp(algo, "sha256")) return DIGEST_ALGO_SHA256; return -1; } static int sign_hash_v1(const char *hashalgo, const unsigned char *hash, int size, const char *keyfile, unsigned char *sig) { int len = -1, hashalgo_idx; SHA_CTX ctx; unsigned char pub[1024]; RSA *key; char name[20]; unsigned char sighash[20]; struct signature_hdr *hdr; uint16_t *blen; if (!hash) { log_err("sign_hash_v1: hash is null\n"); return -1; } if (size < 0) { log_err("sign_hash_v1: size is negative: %d\n", size); return -1; } if (!hashalgo) { log_err("sign_hash_v1: hashalgo is null\n"); return -1; } if (!sig) { log_err("sign_hash_v1: sig is null\n"); return -1; } log_info("hash(%s): ", hashalgo); log_dump(hash, size); key = read_priv_key(keyfile, imaevm_params.keypass); if (!key) return -1; hdr = (struct signature_hdr *)sig; /* now create a new hash */ hdr->version = (uint8_t) DIGSIG_VERSION_1; hdr->timestamp = time(NULL); hdr->algo = PUBKEY_ALGO_RSA; hashalgo_idx = get_hash_algo_v1(hashalgo); if (hashalgo_idx < 0) { log_err("Signature version 1 does not support hash algo %s\n", hashalgo); goto out; } hdr->hash = (uint8_t) hashalgo_idx; len = key2bin(key, pub); calc_keyid_v1(hdr->keyid, name, pub, len); hdr->nmpi = 1; SHA1_Init(&ctx); SHA1_Update(&ctx, hash, size); SHA1_Update(&ctx, hdr, sizeof(*hdr)); SHA1_Final(sighash, &ctx); log_info("sighash: "); log_dump(sighash, sizeof(sighash)); len = RSA_private_encrypt(sizeof(sighash), sighash, sig + sizeof(*hdr) + 2, key, RSA_PKCS1_PADDING); if (len < 0) { log_err("RSA_private_encrypt() failed: %d\n", len); output_openssl_errors(); goto out; } /* we add bit length of the signature to make it gnupg compatible */ blen = (uint16_t *) (sig + sizeof(*hdr)); *blen = __cpu_to_be16(len << 3); len += sizeof(*hdr) + 2; log_info("evm/ima signature-v1: %d bytes\n", len); out: RSA_free(key); return len; } /* * @sig is assumed to be of (MAX_SIGNATURE_SIZE - 1) size * Return: -1 signing error, >0 length of signature */ static int sign_hash_v2(const char *algo, const unsigned char *hash, int size, const char *keyfile, unsigned char *sig) { struct signature_v2_hdr *hdr; int len = -1; EVP_PKEY *pkey; char name[20]; EVP_PKEY_CTX *ctx = NULL; const EVP_MD *md; size_t sigsize; const char *st; uint32_t keyid; if (!hash) { log_err("sign_hash_v2: hash is null\n"); return -1; } if (size < 0) { log_err("sign_hash_v2: size is negative: %d\n", size); return -1; } if (!sig) { log_err("sign_hash_v2: sig is null\n"); return -1; } if (!algo) { log_err("sign_hash_v2: algo is null\n"); return -1; } log_info("hash(%s): ", algo); log_dump(hash, size); pkey = read_priv_pkey(keyfile, imaevm_params.keypass); if (!pkey) return -1; hdr = (struct signature_v2_hdr *)sig; hdr->version = (uint8_t) DIGSIG_VERSION_2; hdr->hash_algo = imaevm_get_hash_algo(algo); if (hdr->hash_algo == (uint8_t)-1) { log_err("sign_hash_v2: hash algo is unknown: %s\n", algo); return -1; } #if defined(EVP_PKEY_SM2) && OPENSSL_VERSION_NUMBER < 0x30000000 /* If EC key are used, check whether it is SM2 key */ if (EVP_PKEY_id(pkey) == EVP_PKEY_EC) { EC_KEY *ec = EVP_PKEY_get0_EC_KEY(pkey); int curve = EC_GROUP_get_curve_name(EC_KEY_get0_group(ec)); if (curve == NID_sm2) EVP_PKEY_set_alias_type(pkey, EVP_PKEY_SM2); } #endif if (imaevm_params.keyid) keyid = htonl(imaevm_params.keyid); else { int keyid_read_failed = read_keyid_from_cert(&keyid, keyfile, false); if (keyid_read_failed) calc_keyid_v2(&keyid, name, pkey); } hdr->keyid = keyid; st = "EVP_PKEY_CTX_new"; if (!(ctx = EVP_PKEY_CTX_new(pkey, NULL))) goto err; st = "EVP_PKEY_sign_init"; if (!EVP_PKEY_sign_init(ctx)) goto err; st = "EVP_get_digestbyname"; if (!(md = EVP_get_digestbyname(algo))) goto err; st = "EVP_PKEY_CTX_set_signature_md"; if (!EVP_PKEY_CTX_set_signature_md(ctx, md)) goto err; st = "EVP_PKEY_sign"; sigsize = MAX_SIGNATURE_SIZE - sizeof(struct signature_v2_hdr) - 1; if (!EVP_PKEY_sign(ctx, hdr->sig, &sigsize, hash, size)) goto err; len = (int)sigsize; /* we add bit length of the signature to make it gnupg compatible */ hdr->sig_size = __cpu_to_be16(len); len += sizeof(*hdr); log_info("evm/ima signature: %d bytes\n", len); err: if (len == -1) { log_err("sign_hash_v2: signing failed: (%s) in %s\n", ERR_reason_error_string(ERR_peek_error()), st); output_openssl_errors(); } EVP_PKEY_CTX_free(ctx); EVP_PKEY_free(pkey); return len; } int sign_hash(const char *hashalgo, const unsigned char *hash, int size, const char *keyfile, const char *keypass, unsigned char *sig) { if (keypass) imaevm_params.keypass = keypass; return imaevm_params.x509 ? sign_hash_v2(hashalgo, hash, size, keyfile, sig) : sign_hash_v1(hashalgo, hash, size, keyfile, sig); } static void libinit() { #if OPENSSL_VERSION_NUMBER < 0x10100000 OpenSSL_add_all_algorithms(); OPENSSL_add_all_algorithms_conf(); #else OPENSSL_init_crypto(OPENSSL_INIT_ADD_ALL_CIPHERS | OPENSSL_INIT_ADD_ALL_DIGESTS, NULL); ERR_load_crypto_strings(); #endif } ima-evm-utils-1.4/src/pcr.h000066400000000000000000000002101414054773100155720ustar00rootroot00000000000000int tpm2_pcr_supported(void); int tpm2_pcr_read(const char *algo_name, uint32_t pcr_handle, uint8_t *hwpcr, int len, char **errmsg); ima-evm-utils-1.4/src/pcr_ibmtss.c000066400000000000000000000110211414054773100171500ustar00rootroot00000000000000// SPDX-License-Identifier: GPL-2.0 /* * Support PCR reading implementation based on IBM TSS2 * * Copyright (C) 2021 IBM Ken Goldman */ #include #include #include #include #include #include #define USE_FPRINTF #include "utils.h" #include "imaevm.h" #define TPM_POSIX /* use Posix, not Windows constructs in TSS */ #undef MAX_DIGEST_SIZE /* imaevm uses a different value than the TSS */ #include #define CMD "tsspcrread" static char path[PATH_MAX]; int tpm2_pcr_supported(void) { if (imaevm_params.verbose > LOG_INFO) log_info("Using %s to read PCRs.\n", CMD); if (get_cmd_path(CMD, path, sizeof(path))) { log_debug("Couldn't find '%s' in $PATH\n", CMD); return 0; } log_debug("Found '%s' in $PATH\n", CMD); return 1; } /* Table mapping C strings to TCG algorithm identifiers */ typedef struct tdAlgorithm_Map { const char *algorithm_string; TPMI_ALG_HASH algid; } Algorithm_Map; Algorithm_Map algorithm_map[] = { { "sha1", TPM_ALG_SHA1}, { "sha256", TPM_ALG_SHA256}, #if 0 /* uncomment as these digest algorithms are supported */ { "", TPM_ALG_SHA384}, { "", TPM_ALG_SHA512}, { "", TPM_ALG_SM3_256}, { "", TPM_ALG_SHA3_256}, { "", TPM_ALG_SHA3_384}, { "", TPM_ALG_SHA3_512}, #endif }; /* * algorithm_string_to_algid() converts a digest algorithm from a C string to a * TCG algorithm identifier as defined in the TCG Algorithm Regisrty.. * * Returns TPM_ALG_ERROR if the string has an unsupported value. */ static TPMI_ALG_HASH algorithm_string_to_algid(const char *algorithm_string) { size_t i; for (i=0 ; i < sizeof(algorithm_map)/sizeof(Algorithm_Map) ; i++) { if (strcmp(algorithm_string, algorithm_map[i].algorithm_string) == 0) { return algorithm_map[i].algid; /* if match */ } } return TPM_ALG_ERROR; } /* * tpm2_pcr_read - read the PCR * * algo_name: PCR digest algorithm (the PCR bank) as a C string * pcr_handle: PCR number to read * hwpcr: buffer for the PCR output in binary * len: allocated size of hwpcr and should match the digest algorithm */ int tpm2_pcr_read(const char *algo_name, uint32_t pcr_handle, uint8_t *hwpcr, int len, char **errmsg) { int ret = 0; /* function return code */ TPM_RC rc = 0; /* TCG return code */ TPM_RC rc1 = 0; /* secondary return code */ PCR_Read_In pcr_read_in; /* command input */ PCR_Read_Out pcr_read_out; /* response output */ TSS_CONTEXT *tss_context = NULL; TPMI_ALG_HASH alg_id; /* PCR algorithm */ alg_id = algorithm_string_to_algid(algo_name); if (alg_id == TPM_ALG_ERROR) { ret = asprintf(errmsg, "tpm2_pcr_read: unknown algorithm %s", algo_name); if (ret == -1) /* the contents of errmsg is undefined */ *errmsg = NULL; rc = 1; goto end; } rc = TSS_Create(&tss_context); if (rc != 0) goto end; /* call TSS to execute the command */ pcr_read_in.pcrSelectionIn.count = 1; pcr_read_in.pcrSelectionIn.pcrSelections[0].hash = alg_id; pcr_read_in.pcrSelectionIn.pcrSelections[0].sizeofSelect = 3; pcr_read_in.pcrSelectionIn.pcrSelections[0].pcrSelect[0] = 0; pcr_read_in.pcrSelectionIn.pcrSelections[0].pcrSelect[1] = 0; pcr_read_in.pcrSelectionIn.pcrSelections[0].pcrSelect[2] = 0; pcr_read_in.pcrSelectionIn.pcrSelections[0].pcrSelect[pcr_handle / 8] = 1 << (pcr_handle % 8); rc = TSS_Execute(tss_context, (RESPONSE_PARAMETERS *)&pcr_read_out, (COMMAND_PARAMETERS *)&pcr_read_in, NULL, TPM_CC_PCR_Read, TPM_RH_NULL, NULL, 0); if (rc != 0) goto end; /* nothing read, bank missing */ if (pcr_read_out.pcrValues.count == 0) { ret = asprintf(errmsg, "tpm2_pcr_read: returned count 0 for %s", algo_name); if (ret == -1) /* the contents of errmsg is undefined */ *errmsg = NULL; rc = 1; goto end; } /* len parameter did not match the digest algorithm */ else if (pcr_read_out.pcrValues.digests[0].t.size != len) { ret = asprintf(errmsg, "tpm2_pcr_read: " "expected length %d actual %u for %s", len, pcr_read_out.pcrValues.digests[0].t.size, algo_name); if (ret == -1) /* the contents of errmsg is undefined */ *errmsg = NULL; rc = 1; goto end; } else { memcpy(hwpcr, pcr_read_out.pcrValues.digests[0].t.buffer, pcr_read_out.pcrValues.digests[0].t.size); } end: /* Call delete even on errors to free context resources */ rc1 = TSS_Delete(tss_context); /* map TCG return code to function return code */ if ((rc == 0) && (rc1 == 0)) return 0; else return -1; } ima-evm-utils-1.4/src/pcr_tss.c000066400000000000000000000123111414054773100164630ustar00rootroot00000000000000/* * ima-evm-utils - IMA/EVM support utilities * * Copyright (C) 2011 Nokia Corporation * Copyright (C) 2011,2012,2013 Intel Corporation * Copyright (C) 2013,2014 Samsung Electronics * * Authors: * Dmitry Kasatkin * * * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * version 2 as published by the Free Software Foundation. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program. If not, see . * * As a special exception, the copyright holders give permission to link the * code of portions of this program with the OpenSSL library under certain * conditions as described in each individual source file and distribute * linked combinations including the program with the OpenSSL library. You * must comply with the GNU General Public License in all respects * for all of the code used other than as permitted herein. If you modify * file(s) with this exception, you may extend this exception to your * version of the file(s), but you are not obligated to do so. If you do not * wish to do so, delete this exception statement from your version. If you * delete this exception statement from all source files in the program, * then also delete it in the license file. * * File: pcr_tss.c * PCR reading implementation based on Intel TSS2 */ #include #include #include #ifdef HAVE_LIBTSS2_ESYS # include # ifdef HAVE_LIBTSS2_RC # include # define LIB "tss2-rc-decode" # else # define LIB "tss2-esys" # endif #endif /* HAVE_LIBTSS2_ESYS */ #define USE_FPRINTF #include "imaevm.h" int tpm2_pcr_supported(void) { if (imaevm_params.verbose > LOG_INFO) log_info("Using %s to read PCRs.\n", LIB); return 1; } static int pcr_selections_match(TPML_PCR_SELECTION *a, TPML_PCR_SELECTION *b) { int i, j; if (a->count != b->count) return 0; for (i = 0; i < a->count; i++) { if (a->pcrSelections[i].hash != b->pcrSelections[i].hash) return 0; if (a->pcrSelections[i].sizeofSelect != b->pcrSelections[i].sizeofSelect) return 0; for (j = 0; j < a->pcrSelections[i].sizeofSelect; j++) { if (a->pcrSelections[i].pcrSelect[j] != b->pcrSelections[i].pcrSelect[j]) return 0; } } return 1; } static inline int tpm2_set_errmsg(char **errmsg, const char *message, TSS2_RC ret) { #ifdef HAVE_LIBTSS2_RC return asprintf(errmsg, "%s: %s", message, Tss2_RC_Decode(ret)); #else return asprintf(errmsg, "%s: #%d", message, ret); #endif } static TPM2_ALG_ID algo_to_tss2(const char *algo_name) { if (!strcmp(algo_name, "sha1")) return TPM2_ALG_SHA1; else if (!strcmp(algo_name, "sha256")) return TPM2_ALG_SHA256; return TPM2_ALG_ERROR; } int tpm2_pcr_read(const char *algo_name, uint32_t pcr_handle, uint8_t *hwpcr, int len, char **errmsg) { TSS2_ABI_VERSION abi_version = { .tssCreator = 1, .tssFamily = 2, .tssLevel = 1, .tssVersion = 108, }; ESYS_CONTEXT *ctx = NULL; TSS2_RC ret = 0; TPML_PCR_SELECTION *pcr_select_out; TPML_DIGEST *pcr_digests; UINT32 pcr_update_counter; TPM2_ALG_ID algid = algo_to_tss2(algo_name); if (algid == TPM2_ALG_ERROR) { ret = asprintf(errmsg, "unsupported tss2 algorithm"); if (ret == -1) /* the contents of errmsg are undefined */ *errmsg = NULL; return -1; } TPML_PCR_SELECTION pcr_select_in = { .count = 1, .pcrSelections = { { .hash = algid, .sizeofSelect = 3, .pcrSelect = { 0x00, 0x00, 0x00 }, } } }; pcr_select_in.pcrSelections[0].pcrSelect[pcr_handle / 8] = (1 << (pcr_handle % 8)); ret = Esys_Initialize(&ctx, NULL, &abi_version); if (ret != TPM2_RC_SUCCESS) { ret = tpm2_set_errmsg(errmsg, "esys initialize failed", ret); if (ret == -1) /* the contents of errmsg are undefined */ *errmsg = NULL; return -1; } ret = Esys_PCR_Read(ctx, ESYS_TR_NONE, ESYS_TR_NONE, ESYS_TR_NONE, &pcr_select_in, &pcr_update_counter, &pcr_select_out, &pcr_digests); Esys_Finalize(&ctx); if (ret != TPM2_RC_SUCCESS) { ret = tpm2_set_errmsg(errmsg, "esys PCR reading failed", ret); if (ret == -1) /* the contents of errmsg is undefined */ *errmsg = NULL; return -1; } if (!pcr_selections_match(&pcr_select_in, pcr_select_out)) { Esys_Free(pcr_select_out); Esys_Free(pcr_digests); ret = asprintf(errmsg, "TPM returned incorrect PCRs"); if (ret == -1) /* the contents of errmsg are undefined */ *errmsg = NULL; return -1; } Esys_Free(pcr_select_out); if (pcr_digests->count != 1 || pcr_digests->digests[0].size != len) { Esys_Free(pcr_digests); ret = asprintf(errmsg, "TPM returned incorrect digests"); if (ret == -1) /* the contents of errmsg is undefined */ *errmsg = NULL; return -1; } memcpy(hwpcr, pcr_digests->digests[0].buffer, len); Esys_Free(pcr_digests); return 0; } ima-evm-utils-1.4/src/pcr_tsspcrread.c000066400000000000000000000063701414054773100200340ustar00rootroot00000000000000/* * ima-evm-utils - IMA/EVM support utilities * * Copyright (C) 2011 Nokia Corporation * Copyright (C) 2011,2012,2013 Intel Corporation * Copyright (C) 2013,2014 Samsung Electronics * * Authors: * Dmitry Kasatkin * * * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * version 2 as published by the Free Software Foundation. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program. If not, see . * * As a special exception, the copyright holders give permission to link the * code of portions of this program with the OpenSSL library under certain * conditions as described in each individual source file and distribute * linked combinations including the program with the OpenSSL library. You * must comply with the GNU General Public License in all respects * for all of the code used other than as permitted herein. If you modify * file(s) with this exception, you may extend this exception to your * version of the file(s), but you are not obligated to do so. If you do not * wish to do so, delete this exception statement from your version. If you * delete this exception statement from all source files in the program, * then also delete it in the license file. * * File: pcr_tsspcrread.c * PCR reading implementation based on IBM TSS2 */ #include #include #include #include #include #include #define USE_FPRINTF #include "utils.h" #include "imaevm.h" #define CMD "tsspcrread" static char path[PATH_MAX]; int tpm2_pcr_supported(void) { if (imaevm_params.verbose > LOG_INFO) log_info("Using %s to read PCRs.\n", CMD); if (get_cmd_path(CMD, path, sizeof(path))) { log_debug("Couldn't find '%s' in $PATH\n", CMD); return 0; } log_debug("Found '%s' in $PATH\n", CMD); return 1; } int tpm2_pcr_read(const char *algo_name, uint32_t pcr_handle, uint8_t *hwpcr, int len, char **errmsg) { FILE *fp; char pcr[100]; /* may contain an error */ char cmd[PATH_MAX + 50]; int ret; sprintf(cmd, "%s -halg %s -ha %u -ns 2> /dev/null", path, algo_name, pcr_handle); fp = popen(cmd, "r"); if (!fp) { ret = asprintf(errmsg, "popen failed: %s", strerror(errno)); if (ret == -1) /* the contents of errmsg is undefined */ *errmsg = NULL; return -1; } if (fgets(pcr, sizeof(pcr), fp) == NULL) { ret = asprintf(errmsg, "tsspcrread failed: %s", strerror(errno)); if (ret == -1) /* the contents of errmsg is undefined */ *errmsg = NULL; ret = pclose(fp); return -1; } /* get the popen "cmd" return code */ ret = pclose(fp); /* Treat an unallocated bank as an error */ if (!ret && (strlen(pcr) < SHA_DIGEST_LENGTH)) ret = -1; if (!ret) hex2bin(hwpcr, pcr, len); else *errmsg = strndup(pcr, strlen(pcr) - 1); /* remove newline */ return ret; } ima-evm-utils-1.4/src/utils.c000066400000000000000000000040771414054773100161600ustar00rootroot00000000000000// SPDX-License-Identifier: GPL-2.0 /* * utils: set of common functions * * Copyright (C) 2020 Patrick Uiterwijk * Copyright (C) 2010 Cyril Hrubis */ #include #include #include #include #include #include #include "utils.h" #ifndef MIN # define MIN(a, b) ({ \ typeof(a) _a = (a); \ typeof(b) _b = (b); \ _a < _b ? _a : _b; \ }) #endif /* MIN */ static int file_exist(const char *path) { struct stat st; if (!access(path, R_OK) && !stat(path, &st) && S_ISREG(st.st_mode)) return 1; return 0; } int get_cmd_path(const char *prog_name, char *buf, size_t buf_len) { const char *path = (const char *)getenv("PATH"); const char *start = path; const char *end; size_t size, ret; if (path == NULL) return -1; do { end = strchr(start, ':'); if (end != NULL) snprintf(buf, MIN(buf_len, (size_t) (end - start + 1)), "%s", start); else snprintf(buf, buf_len, "%s", start); size = strlen(buf); /* * "::" inside $PATH, $PATH ending with ':' or $PATH starting * with ':' should be expanded into current working directory. */ if (size == 0) { snprintf(buf, buf_len, "."); size = strlen(buf); } /* * If there is no '/' ad the end of path from $PATH add it. */ if (buf[size - 1] != '/') ret = snprintf(buf + size, buf_len - size, "/%s", prog_name); else ret = snprintf(buf + size, buf_len - size, "%s", prog_name); if (buf_len - size > ret && file_exist(buf)) return 0; if (end != NULL) start = end + 1; } while (end != NULL); return -1; } int hex_to_bin(char ch) { if ((ch >= '0') && (ch <= '9')) return ch - '0'; ch = tolower(ch); if ((ch >= 'a') && (ch <= 'f')) return ch - 'a' + 10; return -1; } int hex2bin(void *dst, const char *src, size_t count) { int hi, lo; while (count--) { if (*src == ' ') src++; hi = hex_to_bin(*src++); lo = hex_to_bin(*src++); if ((hi < 0) || (lo < 0)) return -1; *(uint8_t *)dst++ = (hi << 4) | lo; } return 0; } ima-evm-utils-1.4/src/utils.h000066400000000000000000000002771414054773100161630ustar00rootroot00000000000000#include #include int get_cmd_path(const char *prog_name, char *buf, size_t buf_len); int hex_to_bin(char ch); int hex2bin(void *dst, const char *src, size_t count); ima-evm-utils-1.4/tests/000077500000000000000000000000001414054773100152175ustar00rootroot00000000000000ima-evm-utils-1.4/tests/.gitignore000066400000000000000000000002351414054773100172070ustar00rootroot00000000000000# Generated by test driver *.log *.trs # Generated by tests *.txt *.out *.sig *.sig2 # Generated certs and keys (by gen-keys.sh) *.cer *.pub *.key *.conf ima-evm-utils-1.4/tests/Makefile.am000066400000000000000000000003641414054773100172560ustar00rootroot00000000000000check_SCRIPTS = TESTS = $(check_SCRIPTS) check_SCRIPTS += ima_hash.test sign_verify.test boot_aggregate.test clean-local: -rm -f *.txt *.out *.sig *.sig2 distclean: distclean-keys .PHONY: distclean-keys distclean-keys: ./gen-keys.sh clean ima-evm-utils-1.4/tests/boot_aggregate.test000077500000000000000000000131341414054773100210760ustar00rootroot00000000000000#!/bin/bash # # Calculate the boot_aggregate for each TPM bank, verifying that the # boot_aggregate in the IMA measurement list matches one of them. # # A software TPM may be used to verify the boot_aggregate. If a # software TPM is not already running on the system, this test # starts one and initializes the TPM PCR banks by walking the sample # binary_bios_measurements event log, included in this directory, and # extending the TPM PCRs. The associated ascii_runtime_measurements # for verifying the calculated boot_aggregate is included in this # directory as well. trap cleanup SIGINT SIGTERM EXIT # Base VERBOSE on the environment variable, if set. VERBOSE="${VERBOSE:-0}" cd "$(dirname "$0")" export PATH=../src:$PATH export LD_LIBRARY_PATH=$LD_LIBRARY_PATH . ./functions.sh _require evmctl TSSDIR="$(dirname -- "$(which tssstartup)")" PCRFILE="/sys/class/tpm/tpm0/device/pcrs" MISC_PCRFILE="/sys/class/misc/tpm0/device/pcrs" # Only stop this test's software TPM cleanup() { if [ -n "${SWTPM_PID}" ]; then kill -SIGTERM "${SWTPM_PID}" elif [ -n "${TPMSERVER_PID}" ]; then "${TSSDIR}/tsstpmcmd" -stop fi } # Try to start a software TPM if needed. swtpm_start() { local tpm_server swtpm tpm_server="$(which tpm_server)" swtpm="$(which swtpm)" if [ -z "${tpm_server}" ] && [ -z "${swtpm}" ]; then echo "${CYAN}SKIP: Software TPM (tpm_server and swtpm) not found${NORM}" return "$SKIP" fi if [ -n "${swtpm}" ]; then pgrep swtpm if [ $? -eq 0 ]; then echo "INFO: Software TPM (swtpm) already running" return 114 else echo "INFO: Starting software TPM: ${swtpm}" mkdir -p ./myvtpm ${swtpm} socket --tpmstate dir=./myvtpm --tpm2 --ctrl type=tcp,port=2322 --server type=tcp,port=2321 --flags not-need-init > /dev/null 2>&1 & SWTPM_PID=$! fi elif [ -n "${tpm_server}" ]; then # tpm_server uses the Microsoft simulator encapsulated packet format export TPM_SERVER_TYPE="mssim" pgrep tpm_server if [ $? -eq 0 ]; then echo "INFO: Software TPM (tpm_server) already running" return 114 else echo "INFO: Starting software TPM: ${tpm_server}" ${tpm_server} > /dev/null 2>&1 & TPMSERVER_PID=$! fi fi return 0 } # Initialize the software TPM using the sample binary_bios_measurements log. swtpm_init() { if [ ! -f "${TSSDIR}/tssstartup" ] || [ ! -f "${TSSDIR}/tsseventextend" ]; then echo "${CYAN}SKIP: tssstartup and tsseventextend needed for test${NORM}" return "$SKIP" fi echo "INFO: Sending software TPM startup" "${TSSDIR}/tssstartup" if [ $? -ne 0 ]; then echo "INFO: Retry sending software TPM startup" sleep 1 "${TSSDIR}/tssstartup" fi if [ $? -ne 0 ]; then echo "INFO: Software TPM startup failed" return "$SKIP" fi echo "INFO: Walking ${BINARY_BIOS_MEASUREMENTS} initializing the software TPM" # $(${TSSDIR}/tsseventextend -tpm -if "${BINARY_BIOS_MEASUREMENTS}" -v) 2>&1 > /dev/null "${TSSDIR}/tsseventextend" -tpm -if "${BINARY_BIOS_MEASUREMENTS}" -v > /dev/null 2>&1 } # In VERBOSE mode, display the calculated TPM PCRs for the different banks. display_pcrs() { local PCRMAX=9 local banks=("sha1" "sha256") local i; for bank in "${banks[@]}"; do echo "INFO: Displaying ${bank} TPM bank (PCRs 0 - 9)" for i in $(seq 0 $PCRMAX); do rc=0 pcr=$("${TSSDIR}/tsspcrread" -halg "${bank}" -ha "${i}" -ns) if [ $rc -ne 0 ]; then echo "INFO: tsspcrread failed: $pcr" break fi echo "$i: $pcr" done done } # The first entry in the IMA measurement list is the "boot_aggregate". # For each kexec, an additional "boot_aggregate" will appear in the # measurement list, assuming the previous measurement list is carried # across the kexec. # # Verify that the last "boot_aggregate" record in the IMA measurement # list matches. check() { echo "INFO: Calculating the boot_aggregate (PCRs 0 - 9) for multiple banks" bootaggr=$(evmctl ima_boot_aggregate) if [ $? -ne 0 ]; then echo "${CYAN}SKIP: evmctl ima_boot_aggregate: $bootaggr${NORM}" exit "$SKIP" fi boot_aggr=( $bootaggr ) echo "INFO: Searching for the boot_aggregate in ${ASCII_RUNTIME_MEASUREMENTS}" for hash in "${boot_aggr[@]}"; do if [ "$VERBOSE" != "0" ]; then echo "$hash" fi if grep -e " boot_aggregate$" -e " boot_aggregate.$" "${ASCII_RUNTIME_MEASUREMENTS}" | tail -n 1 | grep -q "${hash}"; then echo "${GREEN}SUCCESS: boot_aggregate ${hash} found${NORM}" return "$OK" fi done echo "${RED}FAILURE: boot_aggregate not found${NORM}" echo "$bootaggr" return "$FAIL" } if [ "$(id -u)" = 0 ] && [ -c "/dev/tpm0" ]; then ASCII_RUNTIME_MEASUREMENTS="/sys/kernel/security/ima/ascii_runtime_measurements" if [ ! -d "/sys/kernel/security/ima" ]; then echo "${CYAN}SKIP: CONFIG_IMA not enabled${NORM}" exit "$SKIP" fi else BINARY_BIOS_MEASUREMENTS="./sample-binary_bios_measurements-pcrs-8-9" ASCII_RUNTIME_MEASUREMENTS="./sample-ascii_runtime_measurements-pcrs-8-9" export TPM_INTERFACE_TYPE="socsim" export TPM_COMMAND_PORT=2321 export TPM_PLATFORM_PORT=2322 export TPM_SERVER_NAME="localhost" # swtpm uses the raw, unencapsulated packet format export TPM_SERVER_TYPE="raw" fi # Start and initialize a software TPM as needed if [ "$(id -u)" != 0 ] || [ ! -c "/dev/tpm0" ]; then if [ -f "$PCRFILE" ] || [ -f "$MISC_PCRFILE" ]; then echo "${CYAN}SKIP: system has discrete TPM 1.2, sample TPM 2.0 event log test not supported.${NORM}" exit "$SKIP" fi swtpm_start error=$? if [ $error -eq "$SKIP" ]; then echo "skip: swtpm not installed" exit "$SKIP" fi if [ $error -eq 0 ]; then swtpm_init if [ $? -eq "$SKIP" ]; then echo "testing boot_aggregate without entries" exit "$SKIP" fi fi if [ "$VERBOSE" != "0" ]; then display_pcrs fi fi expect_pass check ima-evm-utils-1.4/tests/functions.sh000077500000000000000000000175451414054773100176020ustar00rootroot00000000000000#!/bin/bash # SPDX-License-Identifier: GPL-2.0 # # ima-evm-utils tests bash functions # # Copyright (C) 2020 Vitaly Chikunov # # This program is free software; you can redistribute it and/or modify # it under the terms of the GNU General Public License as published by # the Free Software Foundation; either version 2, or (at your option) # any later version. # # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU General Public License for more details. # Tests accounting declare -i testspass=0 testsfail=0 testsskip=0 # Exit codes (compatible with automake) declare -r OK=0 declare -r FAIL=1 declare -r HARDFAIL=99 # hard failure no matter testing mode declare -r SKIP=77 # You can set env VERBOSE=1 to see more output from evmctl VERBOSE=${VERBOSE:-0} V=vvvv V=${V:0:$VERBOSE} V=${V:+-$V} # Exit if env FAILEARLY is defined. # Used in expect_{pass,fail}. exit_early() { if [ "$FAILEARLY" ]; then exit "$1" fi } # Require particular executables to be present _require() { ret= for i; do if ! type $i; then echo "$i is required for test" ret=1 fi done [ $ret ] && exit "$HARDFAIL" } # Non-TTY output is never colored if [ -t 1 ]; then RED=$'\e[1;31m' GREEN=$'\e[1;32m' YELLOW=$'\e[1;33m' BLUE=$'\e[1;34m' CYAN=$'\e[1;36m' NORM=$'\e[m' export RED GREEN YELLOW BLUE CYAN NORM fi # Test mode determined by TFAIL variable: # undefined: to success testing # defined: failure testing TFAIL= TMODE=+ # mode character to prepend running command in log declare -i TNESTED=0 # just for sanity checking # Run positive test (one that should pass) and account its result expect_pass() { local -i ret if [ $TNESTED -gt 0 ]; then echo $RED"expect_pass should not be run nested"$NORM testsfail+=1 exit "$HARDFAIL" fi TFAIL= TMODE=+ TNESTED+=1 [ "$VERBOSE" -gt 1 ] && echo "____ START positive test: $*" "$@" ret=$? [ "$VERBOSE" -gt 1 ] && echo "^^^^ STOP ($ret) positive test: $*" TNESTED+=-1 case $ret in 0) testspass+=1 ;; 77) testsskip+=1 ;; 99) testsfail+=1; exit_early 1 ;; *) testsfail+=1; exit_early 2 ;; esac return $ret } # Eval negative test (one that should fail) and account its result expect_fail() { local ret if [ $TNESTED -gt 0 ]; then echo $RED"expect_fail should not be run nested"$NORM testsfail+=1 exit "$HARDFAIL" fi TFAIL=yes TMODE=- TNESTED+=1 [ "$VERBOSE" -gt 1 ] && echo "____ START negative test: $*" "$@" ret=$? [ "$VERBOSE" -gt 1 ] && echo "^^^^ STOP ($ret) negative test: $*" TNESTED+=-1 case $ret in 0) testsfail+=1; exit_early 3 ;; 77) testsskip+=1 ;; 99) testsfail+=1; exit_early 4 ;; *) testspass+=1 ;; esac # Restore defaults (as in positive tests) # for tests to run without wrappers TFAIL= TMODE=+ return $ret } # return true if current test is positive _test_expected_to_pass() { [ ! $TFAIL ] } # return true if current test is negative _test_expected_to_fail() { [ $TFAIL ] } # Show blank line and color following text to red # if it's real error (ie we are in expect_pass mode). color_red_on_failure() { if _test_expected_to_pass; then echo "$RED" COLOR_RESTORE=true fi } # For hard errors color_red() { echo "$RED" COLOR_RESTORE=true } color_restore() { [ $COLOR_RESTORE ] && echo "$NORM" COLOR_RESTORE= } ADD_DEL= ADD_TEXT_FOR= # _evmctl_run should be run as `_evmctl_run ... || return' _evmctl_run() { local op=$1 out=$1-$$.out local text_for=${FOR:+for $ADD_TEXT_FOR} # Additional parameters: # ADD_DEL: additional files to rm on failure # ADD_TEXT_FOR: append to text as 'for $ADD_TEXT_FOR' cmd="evmctl $V $EVMCTL_ENGINE $*" echo $YELLOW$TMODE "$cmd"$NORM $cmd >"$out" 2>&1 ret=$? # Shell special and signal exit codes (except 255) if [ $ret -ge 126 ] && [ $ret -lt 255 ]; then color_red echo "evmctl $op failed hard with ($ret) $text_for" sed 's/^/ /' "$out" color_restore rm "$out" $ADD_DEL ADD_DEL= ADD_TEXT_FOR= return "$HARDFAIL" elif [ $ret -gt 0 ]; then color_red_on_failure echo "evmctl $op failed" ${TFAIL:+properly} "with ($ret) $text_for" # Show evmctl output only in verbose mode or if real failure. if _test_expected_to_pass || [ "$VERBOSE" ]; then sed 's/^/ /' "$out" fi color_restore rm "$out" $ADD_DEL ADD_DEL= ADD_TEXT_FOR= return "$FAIL" elif _test_expected_to_fail; then color_red echo "evmctl $op wrongly succeeded $text_for" sed 's/^/ /' "$out" color_restore else [ "$VERBOSE" ] && sed 's/^/ /' "$out" fi rm "$out" ADD_DEL= ADD_TEXT_FOR= return "$OK" } # Extract xattr $attr from $file into $out file skipping $pref'ix _extract_xattr() { local file=$1 attr=$2 out=$3 pref=$4 getfattr -n "$attr" -e hex "$file" \ | grep "^$attr=" \ | sed "s/^$attr=$pref//" \ | xxd -r -p > "$out" } # Test if xattr $attr in $file matches $prefix # Show error and fail otherwise. _test_xattr() { local file=$1 attr=$2 prefix=$3 local text_for=${ADD_TEXT_FOR:+ for $ADD_TEXT_FOR} if ! getfattr -n "$attr" -e hex "$file" | egrep -qx "$attr=$prefix"; then color_red_on_failure echo "Did not find expected hash$text_for:" echo " $attr=$prefix" echo "" echo "Actual output below:" getfattr -n "$attr" -e hex "$file" | sed 's/^/ /' color_restore rm "$file" ADD_TEXT_FOR= return "$FAIL" fi ADD_TEXT_FOR= } # Try to enable gost-engine if needed. _enable_gost_engine() { # Do not enable if it's already working (enabled by user) if ! openssl md_gost12_256 /dev/null >/dev/null 2>&1 \ && openssl engine gost >/dev/null 2>&1; then export EVMCTL_ENGINE="--engine gost" export OPENSSL_ENGINE="-engine gost" fi } # Show test stats and exit into automake test system # with proper exit code (same as ours). Do cleanups. _report_exit_and_cleanup() { if [ -n "${WORKDIR}" ]; then rm -rf "${WORKDIR}" fi if [ $testsfail -gt 0 ]; then echo "=================================" echo " Run with FAILEARLY=1 $0 $*" echo " To stop after first failure" echo "=================================" fi [ $testspass -gt 0 ] && echo -n "$GREEN" || echo -n "$NORM" echo -n "PASS: $testspass" [ $testsskip -gt 0 ] && echo -n "$YELLOW" || echo -n "$NORM" echo -n " SKIP: $testsskip" [ $testsfail -gt 0 ] && echo -n "$RED" || echo -n "$NORM" echo " FAIL: $testsfail" echo "$NORM" if [ $testsfail -gt 0 ]; then exit "$FAIL" elif [ $testspass -gt 0 ]; then exit "$OK" else exit "$SKIP" fi } # Setup SoftHSM for local testing by calling the softhsm_setup script. # Use the provided workdir as the directory where SoftHSM will store its state # into. # Upon successfully setting up SoftHSM, this function sets the global variables # OPENSSL_ENGINE and OPENSSL_KEYFORM so that the openssl command line tool can # use SoftHSM. Also the PKCS11_KEYURI global variable is set to the test key's # pkcs11 URI. _softhsm_setup() { local workdir="$1" local msg export SOFTHSM_SETUP_CONFIGDIR="${workdir}/softhsm" export SOFTHSM2_CONF="${workdir}/softhsm/softhsm2.conf" mkdir -p "${SOFTHSM_SETUP_CONFIGDIR}" msg=$(./softhsm_setup setup 2>&1) if [ $? -eq 0 ]; then echo "softhsm_setup setup succeeded: $msg" PKCS11_KEYURI=$(echo $msg | sed -n 's|^keyuri: \(.*\)|\1|p') export EVMCTL_ENGINE="--engine pkcs11" export OPENSSL_ENGINE="-engine pkcs11" export OPENSSL_KEYFORM="-keyform engine" else echo "softhsm_setup setup failed: ${msg}" fi } # Tear down the SoftHSM setup and clean up the environment _softhsm_teardown() { ./softhsm_setup teardown &>/dev/null rm -rf "${SOFTHSM_SETUP_CONFIGDIR}" unset SOFTHSM_SETUP_CONFIGDIR SOFTHSM2_CONF PKCS11_KEYURI \ EVMCTL_ENGINE OPENSSL_ENGINE OPENSSL_KEYFORM }ima-evm-utils-1.4/tests/gen-keys.sh000077500000000000000000000107621414054773100173060ustar00rootroot00000000000000#!/bin/bash # SPDX-License-Identifier: GPL-2.0 # # Generate keys for the tests # # Copyright (C) 2020 Vitaly Chikunov # # This program is free software; you can redistribute it and/or modify # it under the terms of the GNU General Public License as published by # the Free Software Foundation; either version 2, or (at your option) # any later version. # # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU General Public License for more details. cd "$(dirname "$0")" || exit 1 PATH=../src:$PATH type openssl log() { echo >&2 - "$*" eval "$@" } if [ "$1" = clean ]; then rm -f test-ca.conf elif [ "$1" = force ] || [ ! -e test-ca.conf ] \ || [ gen-keys.sh -nt test-ca.conf ]; then cat > test-ca.conf <<- EOF [ req ] distinguished_name = req_distinguished_name prompt = no string_mask = utf8only x509_extensions = v3_ca [ req_distinguished_name ] O = IMA-CA CN = IMA/EVM certificate signing key emailAddress = ca@ima-ca [ v3_ca ] basicConstraints=CA:TRUE subjectKeyIdentifier=hash authorityKeyIdentifier=keyid:always,issuer [ skid ] basicConstraints=CA:TRUE subjectKeyIdentifier=12345678 authorityKeyIdentifier=keyid:always,issuer EOF fi # RSA # Second key will be used for wrong key tests. for m in 1024 1024_skid 2048; do if [ "$1" = clean ] || [ "$1" = force ] \ || [ gen-keys.sh -nt test-rsa$m.key ]; then rm -f test-rsa$m.cer test-rsa$m.key test-rsa$m.pub fi if [ "$1" = clean ]; then continue fi if [ -z "${m%%*_*}" ]; then # Add named extension. bits=${m%_*} ext="-extensions ${m#*_}" else bits=$m ext= fi if [ ! -e test-rsa$m.key ]; then log openssl req -verbose -new -nodes -utf8 -sha1 -days 10000 -batch -x509 $ext \ -config test-ca.conf \ -newkey rsa:$bits \ -out test-rsa$m.cer -outform DER \ -keyout test-rsa$m.key # for v1 signatures log openssl pkey -in test-rsa$m.key -out test-rsa$m.pub -pubout if [ $m = 1024_skid ]; then # Create combined key+cert. log openssl x509 -inform DER -in test-rsa$m.cer >> test-rsa$m.key fi fi done for curve in prime192v1 prime256v1; do if [ "$1" = clean ] || [ "$1" = force ]; then rm -f test-$curve.cer test-$curve.key test-$curve.pub fi if [ "$1" = clean ]; then continue fi if [ ! -e test-$curve.key ]; then log openssl req -verbose -new -nodes -utf8 -sha1 -days 10000 -batch -x509 \ -config test-ca.conf \ -newkey ec \ -pkeyopt ec_paramgen_curve:$curve \ -out test-$curve.cer -outform DER \ -keyout test-$curve.key if [ -s test-$curve.key ]; then log openssl pkey -in test-$curve.key -out test-$curve.pub -pubout fi fi done # EC-RDSA for m in \ gost2012_256:A \ gost2012_256:B \ gost2012_256:C \ gost2012_512:A \ gost2012_512:B; do IFS=':' read -r algo param <<< "$m" if [ "$1" = clean ] || [ "$1" = force ]; then rm -f "test-$algo-$param.key" "test-$algo-$param.cer" "test-$algo-$param.pub" fi if [ "$1" = clean ]; then continue fi [ -e "test-$algo-$param.key" ] && continue log openssl req -nodes -x509 -utf8 -days 10000 -batch \ -config test-ca.conf \ -newkey "$algo" \ -pkeyopt "paramset:$param" \ -out "test-$algo-$param.cer" -outform DER \ -keyout "test-$algo-$param.key" if [ -s "test-$algo-$param.key" ]; then log openssl pkey -in "test-$algo-$param.key" -out "test-$algo-$param.pub" -pubout fi done # SM2, If openssl 3.0 is installed, gen SM2 keys using if [ -x /opt/openssl3/bin/openssl ]; then (PATH=/opt/openssl3/bin:$PATH LD_LIBRARY_PATH=/opt/openssl3/lib for curve in sm2; do if [ "$1" = clean ] || [ "$1" = force ]; then rm -f test-$curve.cer test-$curve.key test-$curve.pub fi if [ "$1" = clean ]; then continue fi if [ ! -e test-$curve.key ]; then log openssl req -verbose -new -nodes -utf8 -days 10000 -batch -x509 \ -sm3 -sigopt "distid:1234567812345678" \ -config test-ca.conf \ -copy_extensions copyall \ -newkey $curve \ -out test-$curve.cer -outform DER \ -keyout test-$curve.key if [ -s test-$curve.key ]; then log openssl pkey -in test-$curve.key -out test-$curve.pub -pubout fi fi done) fi # This script leaves test-ca.conf, *.cer, *.pub, *.key files for sing/verify tests. # They are never deleted except by `make distclean'. ima-evm-utils-1.4/tests/ima_hash.test000077500000000000000000000065121414054773100177000ustar00rootroot00000000000000#!/bin/bash # SPDX-License-Identifier: GPL-2.0 # # evmctl ima_hash tests # # Copyright (C) 2020 Vitaly Chikunov # # This program is free software; you can redistribute it and/or modify # it under the terms of the GNU General Public License as published by # the Free Software Foundation; either version 2, or (at your option) # any later version. # # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU General Public License for more details. cd "$(dirname "$0")" || exit 1 PATH=../src:$PATH source ./functions.sh _require evmctl openssl getfattr trap _report_exit_and_cleanup EXIT set -f # disable globbing check() { local alg=$1 prefix=$2 chash=$3 hash local file=$alg-hash.txt rm -f "$file" touch "$file" # Generate hash with openssl, if it failed skip test, # unless it's negative test, then pass to evmctl cmd="openssl dgst $OPENSSL_ENGINE -$alg $file" echo - "$cmd" hash=$(set -o pipefail; $cmd 2>/dev/null | cut -d' ' -f2) if [ $? -ne 0 ] && _test_expected_to_pass; then echo "${CYAN}$alg test is skipped$NORM" rm "$file" return "$SKIP" fi if [ "$chash" ] && [ "$chash" != "$hash" ]; then color_red echo "Invalid hash for $alg from openssl" echo "Expected: $chash" echo "Returned: $hash" color_restore rm "$file" return "$HARDFAIL" fi ADD_TEXT_FOR=$alg ADD_DEL=$file \ _evmctl_run ima_hash --hashalgo "$alg" --xattr-user "$file" || return ADD_TEXT_FOR=$alg \ _test_xattr "$file" user.ima "$prefix$hash" || return rm "$file" return "$OK" } # check args: algo hdr-prefix canonic-hash expect_pass check md4 0x01 31d6cfe0d16ae931b73c59d7e0c089c0 expect_pass check md5 0x01 d41d8cd98f00b204e9800998ecf8427e expect_pass check sha1 0x01 da39a3ee5e6b4b0d3255bfef95601890afd80709 expect_fail check SHA1 0x01 # uppercase expect_fail check sha512-224 0x01 # valid for pkcs1 expect_fail check sha512-256 0x01 # valid for pkcs1 expect_fail check unknown 0x01 # nonexistent expect_pass check sha224 0x0407 d14a028c2a3a2bc9476102bb288234c415a2b01f828ea62ac5b3e42f expect_pass check sha256 0x0404 e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855 expect_pass check sha384 0x0405 38b060a751ac96384cd9327eb1b1e36a21fdb71114be07434c0cc7bf63f6e1da274edebfe76f65fbd51ad2f14898b95b expect_pass check sha512 0x0406 cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e expect_pass check rmd160 0x0403 9c1185a5c5e9fc54612808977ee8f548b2258d31 expect_pass check sm3 0x0411 1ab21d8355cfa17f8e61194831e81a8f22bec8c728fefb747ed035eb5082aa2b _enable_gost_engine expect_pass check md_gost12_256 0x0412 3f539a213e97c802cc229d474c6aa32a825a360b2a933a949fd925208d9ce1bb expect_pass check streebog256 0x0412 3f539a213e97c802cc229d474c6aa32a825a360b2a933a949fd925208d9ce1bb expect_pass check md_gost12_512 0x0413 8e945da209aa869f0455928529bcae4679e9873ab707b55315f56ceb98bef0a7362f715528356ee83cda5f2aac4c6ad2ba3a715c1bcd81cb8e9f90bf4c1c1a8a expect_pass check streebog512 0x0413 8e945da209aa869f0455928529bcae4679e9873ab707b55315f56ceb98bef0a7362f715528356ee83cda5f2aac4c6ad2ba3a715c1bcd81cb8e9f90bf4c1c1a8a ima-evm-utils-1.4/tests/install-openssl3.sh000077500000000000000000000007501414054773100207720ustar00rootroot00000000000000#!/bin/bash set -ex if [ -z "$COMPILE_SSL" ]; then echo "Missing \$COMPILE_SSL!" >&2 exit 1 fi version=${COMPILE_SSL} wget --no-check-certificate https://github.com/openssl/openssl/archive/refs/tags/${version}.tar.gz tar --no-same-owner -xzf ${version}.tar.gz cd openssl-${version} ./Configure --prefix=/opt/openssl3 --openssldir=/opt/openssl3/ssl make -j$(nproc) # only install apps and library sudo make install_sw cd .. rm -rf ${version}.tar.gz rm -rf openssl-${version} ima-evm-utils-1.4/tests/install-swtpm.sh000077500000000000000000000010231414054773100203700ustar00rootroot00000000000000#!/bin/sh -ex # No need to run via sudo if we already have permissions. # Also, some distros do not have sudo configured for root: # `root is not in the sudoers file. This incident will be reported.' if [ -w /usr/local/bin ]; then SUDO= else SUDO=sudo fi version=1637 wget --no-check-certificate https://sourceforge.net/projects/ibmswtpm2/files/ibmtpm${version}.tar.gz/download mkdir ibmtpm$version cd ibmtpm$version tar --no-same-owner -xvzf ../download cd src make -j$(nproc) $SUDO cp tpm_server /usr/local/bin/ cd ../.. ima-evm-utils-1.4/tests/install-tss.sh000077500000000000000000000003061414054773100200320ustar00rootroot00000000000000#!/bin/sh set -ex git clone https://git.code.sf.net/p/ibmtpm20tss/tss cd tss autoreconf -i && ./configure --disable-tpm-1.2 --disable-hwtpm && make -j$(nproc) && sudo make install cd .. rm -rf tss ima-evm-utils-1.4/tests/sample-ascii_runtime_measurements-pcrs-8-9000066400000000000000000000002121414054773100253170ustar00rootroot0000000000000010 2e03b3fdb0014fc8bae2a07ca33ae67125b290f3 ima-ng sha256:83d19723ef3b3c05bb8ae70d86b3886c158f2408f1b71ed265886a7b79eb700e boot_aggregate ima-evm-utils-1.4/tests/sample-binary_bios_measurements-pcrs-8-9000066400000000000000000001620161414054773100247770ustar00rootroot00000000000000%Spec ID Event03 HyimxYXQ<: R_jW- }$Z{M{ !N24ET56W =A 1긴X ၟo7&D~[DGacw c,^{2"QWxƾ:N=zQ#XJ< |MAUMG.ں:, VOCu@S \!#]^J?Ҧ *lͤC?Ǫ[#X)fC6f[Qqq ;04vi"9_Ĝ ?3 ACPI DATAF9XTrL ֭&kjo-E-h^N 5 ACPI DATAM@AIMɐSC'} K(EںU+b}4vv1A@5aʓ + SecureBootp!$j_h* COD IwUmuY|>aʓ +PKY䔧J\+rN<"Ac900 kn0  *H  0j1 0 UJP10U Kanagawa10U Yokohama10U Lenovo Ltd.10U Lenovo Ltd. PK CA 20120 120629103436Z 320624103436Z0j1 0 UJP10U Kanagawa10U Yokohama10U Lenovo Ltd.10U Lenovo Ltd. PK CA 20120"0  *H 0 ]bcwRf_"q:K TZIԡRlK` ¼}f|u2^Xfso*d4?,UNw!sl@1S$,mB\)BZ^pwYx3Fj?R <۔k]L s :E:޴0;1 M(ŵ>B&TX w=RN2.;zؓP0N0UwKLqt4=H0U#0wKLqt4=H0 U00  *H  pe%U֑ߑ2KՎC]=rN:O&g(Vj0a-}B; (aOO!ۦx(_ݵדrne򥷩ue2]e^lN(x0 pTXP"#>aO`Gri(O:>1 4}AAꞂT6_\LxAym,= l#`G+QQ|^`%Y}0U#0y@AF|KF>}0 U00  *H  m;D$i-"Uڧ[AMJr,SpVh_.>帄KzeRqfIԅ(:\@B) j4_Kr^t˼Ūze@ʧtTm\I&.WQ_|W|Y䔧J\+rwY2M`(xK00Р a ш0  *H  01 0 UUS10U Washington10URedmond10U Microsoft Corporation1;09U2Microsoft Corporation Third Party Marketplace Root0 110624204129Z 260624205129Z01 0 UUS10U Washington10URedmond10U Microsoft Corporation1*0(U!Microsoft Corporation KEK CA 20110"0  *H 0 赊W&&WzD] Jt*mZc2|O 8, 0HPdQȅO /Sjb: C%#pM/$JC ~Gl3*q<% /hvFOܭq*Xy=e;)*rY뮒5_̝vcy@yR{iO0K0 +70UbC͠>g[U{̶_0 +7  SubCA0 U0U00U#0EfRC~XN#U;:"j0\UU0S0QOMKhttp://crl.microsoft.com/pki/crl/products/MicCorThiParMarRoo_2010-10-05.crl0`+T0R0P+0Dhttp://www.microsoft.com/pki/certs/MicCorThiParMarRoo_2010-10-05.crt0  *H  Ԅ*<* נRfuz-vZy7jQ{ddgxΈXd W_iHK2]0x+4VʮA%pkז* K(){|vyo~l{E4Q9^VBwqV̟#˦X~ig~ <νC-j+Z|DR-R=`3e |N8/ o.9'B)FA;gCYe Ou;$PA@y-O j'vnRi{E­S076aJi4hl l"yF`!y2`ج"KK}?W5Ou`"Sy֛ATp 5|4r`;y뢲]%o8yi uk4`\WN62&Ri$Cٜ5c 7I5μ6}E8xRe\1˲:=EgeodbY䔧J\+rǬN]CE00 Ecz aRD0  *H  0l1 0 UJP10U Kanagawa10U Yokohama10U Lenovo Ltd.1!0U Lenovo Ltd. Root CA 20120 120629104731Z 320624104731Z0l1 0 UJP10U Kanagawa10U Yokohama10U Lenovo Ltd.1!0U ThinkPad Product CA 20120"0  *H 0 V7ۨpg_dgzqOL.$>tW_󥟒Y㘮f-uGqdt L)aA77^7jK0yb3͠>biC'Qsaǵ z% [X;&It_jsY54bps| wRW'T~b3RZ{7GD.b"2Tfm_H!_ʈJZ- $(*I9MAӏ+όn4,cP0N0UTUc_p@i&YI0U#0A hPnT~p͒ak0 U00  *H  N9<56ĎG(B("I8#CiXGŇ<%$Ϳm"@s_yDtK[;(B&s˚('&A/ -e$waa0x[#l&$OCT< [Ps'p'Lk@X$j1S XPB`߷1ќgK6 'Uԫ4-cP\QJ}MQ%MF\qFPd@Y䔧J\+rǬN]CE00k Hb4u4# M0  *H  0U1 0 UUS10U North Carolina10 U Lenovo10U Lenovo UEFI CA 20140 140124161424Z 340119161424Z0U1 0 UUS10U North Carolina10 U Lenovo10U Lenovo UEFI CA 20140"0  *H 0 ;pJ*ɱEe'< c >(|-PҊ"ٴ1T{e0'AQ`g,Wwg&jӞSgY=? Ԏad!g@ys?期'&/[\-8-B0Fn#1~`wXykk Uߞ6&$ݤJ[J.DGb ¹'0Q+k؛2 j(Sb=hK b}Π*?4˽gJD,ZܡY䔧J\+r@$wY2M`(xK00 a0  *H  01 0 UUS10U Washington10URedmond10U Microsoft Corporation1;09U2Microsoft Corporation Third Party Marketplace Root0 110627212245Z 260627213245Z01 0 UUS10U Washington10URedmond10U Microsoft Corporation1+0)U"Microsoft Corporation UEFI CA 20110"0  *H 0 lLE jK u CTd} s JEa-+MIA#/^Pƍ_A. lui!Mڭ,wS%27lRr5aj;PV2-B'UZ0TG%/&A\?[<>?GrU%"{*F 5'bq'Y7`8xpLEe¶~iuYXY䔧J\+rwY2M`(xK00 avV0  *H  01 0 UUS10U Washington10URedmond10U Microsoft Corporation1200U)Microsoft Root Certificate Authority 20100 111019184142Z 261019185142Z01 0 UUS10U Washington10URedmond10U Microsoft Corporation1.0,U%Microsoft Windows Production PCA 20110"0  *H 0  . i!i33T ҋ8-|byJ?5 pk6u1ݍp7tF([`#,GgQ'rɹ;S5|'# oFnhttp://www.microsoft.com/pki/certs/MicRooCerAut_2010-06-23.crt0  *H  |qQyn9>\` QfG=*hwLb{Ǻz4KbzJ7-W|=ܸZij:ni!7ށugӓW^)9-Es[zFX^gl5?$5 uVx,Јߺ~,c#!xlX6+̤-@EΊ\k>p* j_Gc 26*pZBYqKW~!<ŹE ŕ]b֠c uw}=EWo3wbY~Bp`qjc3 DJMʚȗV'ÅϹ +e[˲:=Egeodbx&LP@A6C(0wY2M`(xKi1 ORm@`MAe wY2M`(xK/֒r($E4[$k;}nzwY2M`(xKء- *o.s >d,NgyjwY2M`(xK63M. xbdYWC&`HXšvwY2M`(xK세Kle qR0! b h2۲ '%'߶=IҕrLwY2M`(xK^T`< k覃R8wY2M`(xKƨXdoy(#g+69ОwY2M`(xK _NQxmЁ%orxRYe&wY2M`(xK Cڬz0eu1{ 될ctwY2M`(xK 9v-6=cqZ9ϰF\`lk׽wY2M`(xK o)o3}rK H:*?OwY2M`(xK !Hʃ62u> [1R*[wY2M`(xKoN0;t􀠀Ѐ+ot!hwY2M`(xKN: [CƦ@O4=9bgΔ.#ڒ wY2M`(xK34)bퟗ>H-.ImTdwY2M`(xK+&B.6_K 'lKzoD/ki9wY2M`(xK+,'R*]IZ+R]fbUwY2M`(xK,s3%mԤ<[UYPPR}wY2M`(xK.pgsQpW2.#ӹ+Q}wY2M`(xK0f(Tw0W(JF}8zTiv^uҍwY2M`(xK6Awz/^g4g^Ù^i5 ҽwY2M`(xK8A!6\ !`9MlN g`b[wY2M`(xK?Λ>TR^·mt:syqUpj>swY2M`(xKCʃc| C-/&zKuwY2M`(xKGa':k,Zmk6!h,*Z߽wY2M`(xKQ1s>!"Ty 0a5wY2M`(xKZIU9[.B,/gg6A+\wY2M`(xKkxA{^`Gr̴/fwY2M`(xKlTGYQ&l+585rѓ.wY2M`(xKo(qկ.{˫d|eͶ& :x^wY2M`(xKqo"I~TFb$ whٿcuwY2M`(xKrk>Tj0=ppq-ĝ,#wY2M`(xKrg]V;ݼ2ت^/m(ؽwY2M`(xKx'6,q}䱿CqZH[ʤKŽwY2M`(xKeӇk)T̕SϪȣ;3佚wY2M`(xK;δCΝч͛YA=Xo+V7W_gwY2M`(xKZ~OG q"8b:ߒ=wY2M`(xKHY jagznFdr!YEwY2M`(xK4͐e;=<5P_{c!wY2M`(xK se(Q$Q?eYW5)@νwY2M`(xK5g+6~OIia]JlrMBwY2M`(xK,";VB\GYG8DoYwY2M`(xKn=)t=J2@ؽwY2M`(xKcOx,7`XbfnmwY2M`(xKϲ2.KmH],qgrRY\u"6wY2M`(xKaJ~UәnE AR'[wY2M`(xKU =HZ7?=|cwY2M`(xKw ^; 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FB$@ӎ(s*K>;#MEΛGE{EFI System Partition=rGy=iG}f9L#ɯC/90J_4gs+> LW >!f>-# X3#6تx ^ A %8K*#MEΛGE{4\EFI\ubuntu\shimx64.efi Kq~I(/sC IF ȋ[$Pj{usE>E MokListjx0|բP ~LԯcNhUyQ9q0(U+k)v]zD('Rｆl pܠ@>.g+C00U *#eZ&4Zc0U#0 *#eZ&4Zc0U00 U0CU<0:08642http://www.canonical.com/secure-boot-master-ca.crl0  *H  ?}v+zmRPGwҮW2:UVv Qۚ\?sڔj8m9qtv>V#5UG[AL b s^ֵz~>~f[9HQS1S;upLF=hG}QĚϣ]풻3Qs fm'wBj oWLl%:S ^佃lh?$wznun(hd0,gpt1)/EFI/ubuntu/grub.cfg 0)b~cpQ]9+*Ԩ  (e<ŀN5[O06 K%Cgrub_cmd: search.fs_uuid 119f1a79-c391-4e37-905d-3a503284cadb root <;)qs͊̐vh 6Ƌ` j֥Q*\|*grub_cmd: set prefix=(hd0,gpt2)/boot/grub ~}W, Ӷ6: Q7%| ~ F/Iew,(hd0,gpt2)/boot/grub/x86_64-efi/command.lst e\z1N!Gbb 2] ~ 1~GU9zECܡlW'(hd0,gpt2)/boot/grub/x86_64-efi/fs.lst ҁ9R2: vo8I'{ 6>w'.uC+(hd0,gpt2)/boot/grub/x86_64-efi/crypto.lst f&K Ӕ(ꔓ F/6-`Bj1JZjCb%ߜ-(hd0,gpt2)/boot/grub/x86_64-efi/terminal.lst 6JE8l@Z i:9Z _ ȉqUgw3grub_cmd: configfile (hd0,gpt2)/boot/grub/grub.cfg ZHhssy^" YO{> 5 $PPbe=(hd0,gpt2)/boot/grub/grub.cfg $8gE45A+&[ 267m}1٩׺a>0IG!T".grub_cmd: [ -s (hd0,gpt2)/boot/grub/grubenv ] ~U1dZBD^nM .B4QQ5k{߆V?(hd0,gpt2)/boot/grub/grubenv k :@&u}6\uo2>uѼXgrub_cmd: set default=0 g?go複 Eh6X1-dZ40/B7R!]iYgrub_cmd: [ xy = xy ] R e*'~C# }MKbFc,!!%\46U#grub_cmd: menuentry_id_option=--id bHY x̽/A J7 ;y}L^2+RGkPm^%grub_cmd: export menuentry_id_option q #|A2Hǰ ΁$ G3DmynD: egrub_cmd: [ ] g?go複 Eh6X1-dZ40/B7R!]iYgrub_cmd: [ xy = xy ] v,$s6x: ;:~1,A~JQK93grub_cmd: font=unicode &G< 2gmӊĤ j~=K^ơMiޔ` Km8}grub_cmd: loadfont unicode q G"c D{@-Pm f1W)Ú𠵟 `wvBT  .-'(hd0,gpt2)/boot/grub/fonts/unicode.pf2 EaYC, UI gmHf -(O`#õT6kgrub_cmd: set gfxmode=auto f G$)SD v&ؾtBu6J>:;Sz VX ݐmPlqNgrub_cmd: insmod gfxterm Ar1lOC/ *  X XнA`)"|xiy5grub_cmd: set locale_dir=(hd0,gpt2)/boot/grub/locale S5؟֮lO弚 7j徔ߕʂYWؙ< ngrub_cmd: set lang=en_US Tv<̣-5\ r#rp+*ܳr%)7/grub_cmd: insmod gettext 8Rg#Cbcisn7ȅ ?=ȠDCk&N/t"AEXp],"grub_cmd: terminal_output gfxterm E+ (]8 NCac(] Z9`{, sz8+grub_cmd: [ = 1 ] g?go複 Eh6X1-dZ40/B7R!]iYgrub_cmd: [ xy = xy ]  +#LAnN V.JuםXE tQ/} !grub_cmd: set timeout_style=menu s,q:oL:8f$4՝P qÆ/@tZIáBIpe$ $˜grub_cmd: set timeout=5  WTZZ]P&'-cg |ڕVrE䀞e)},grub_cmd: set menu_color_normal=white/black ԥT ُ$:e7 oyĻL MɄ ;F>^DBF4*4grub_cmd: set menu_color_highlight=black/light-gray B2 K2f 1J,^sI07Agrub_cmd: [ != 1 ] X~~~.z0R^X"/ U؝-7ߊ},fuߤ 7grub_cmd: [ -e (hd0,gpt2)/boot/grub/gfxblacklist.txt ] [:*̢ B5JM,6J[}a\:grub_cmd: hwmatch (hd0,gpt2)/boot/grub/gfxblacklist.txt 3 kϩɕ*Kf@- mygt `\[K1/$4Igrub_cmd: [ = 0 ] hz'<^(6MbMԏ} IauBDL:Zq ;q  "grub_cmd: set linux_gfx_mode=keep DNYנa_%b& "A%N2p$WY>ӷzd}i`E grub_cmd: export linux_gfx_mode νeVG?6 V+Ů"{.|xcgrub_cmd: menuentry Ubuntu --class ubuntu --class gnu-linux --class gnu --class os --id gnulinux-simple-119f1a79-c391-4e37-905d-3a503284cadb { recordfail load_video gfxmode $linux_gfx_mode insmod gzio if [ x$grub_platform = xxen ]; then insmod xzio; insmod lzopio; fi insmod part_gpt insmod ext2 if [ x$feature_platform_search_hint = xy ]; then search --no-floppy --fs-uuid --set=root 119f1a79-c391-4e37-905d-3a503284cadb else search --no-floppy --fs-uuid --set=root 119f1a79-c391-4e37-905d-3a503284cadb fi linux /boot/vmlinuz-5.7.0-rc2+ root=UUID=119f1a79-c391-4e37-905d-3a503284cadb ro quiet splash ima-policy=tcb $vt_handoff initrd /boot/initrd.img-5.7.0-rc2+ } t IR6),GAOgw* ʚwI/+XwUkyZL,grub_cmd: submenu Advanced options for Ubuntu --id gnulinux-advanced-119f1a79-c391-4e37-905d-3a503284cadb { menuentry 'Ubuntu, with Linux 5.7.0-rc2+' --class ubuntu --class gnu-linux --class gnu --class os $menuentry_id_option 'gnulinux-5.7.0-rc2+-advanced-119f1a79-c391-4e37-905d-3a503284cadb' { recordfail load_video gfxmode $linux_gfx_mode insmod gzio if [ x$grub_platform = xxen ]; then insmod xzio; insmod lzopio; fi insmod part_gpt insmod ext2 if [ x$feature_platform_search_hint = xy ]; then search --no-floppy --fs-uuid --set=root 119f1a79-c391-4e37-905d-3a503284cadb else search --no-floppy --fs-uuid --set=root 119f1a79-c391-4e37-905d-3a503284cadb fi echo 'Loading Linux 5.7.0-rc2+ ...' linux /boot/vmlinuz-5.7.0-rc2+ root=UUID=119f1a79-c391-4e37-905d-3a503284cadb ro quiet splash ima-policy=tcb $vt_handoff echo 'Loading initial ramdisk ...' initrd /boot/initrd.img-5.7.0-rc2+ } menuentry 'Ubuntu, with Linux 5.7.0-rc2+ (recovery mode)' --class ubuntu --class gnu-linux --class gnu --class os $menuentry_id_option 'gnulinux-5.7.0-rc2+-recovery-119f1a79-c391-4e37-905d-3a503284cadb' { recordfail load_video insmod gzio if [ x$grub_platform = xxen ]; then insmod xzio; insmod lzopio; fi insmod part_gpt insmod ext2 if [ x$feature_platform_search_hint = xy ]; then search --no-floppy --fs-uuid --set=root 119f1a79-c391-4e37-905d-3a503284cadb else search --no-floppy --fs-uuid --set=root 119f1a79-c391-4e37-905d-3a503284cadb fi echo 'Loading Linux 5.7.0-rc2+ ...' linux /boot/vmlinuz-5.7.0-rc2+ root=UUID=119f1a79-c391-4e37-905d-3a503284cadb ro recovery nomodeset echo 'Loading initial ramdisk ...' initrd /boot/initrd.img-5.7.0-rc2+ } menuentry 'Ubuntu, with Linux 5.7.0-rc2+.old' --class ubuntu --class gnu-linux --class gnu --class os $menuentry_id_option 'gnulinux-5.7.0-rc2+.old-advanced-119f1a79-c391-4e37-905d-3a503284cadb' { recordfail load_video gfxmode $linux_gfx_mode insmod gzio if [ x$grub_platform = xxen ]; then insmod xzio; insmod lzopio; fi insmod part_gpt insmod ext2 if [ x$feature_platform_search_hint = xy ]; then search --no-floppy --fs-uuid --set=root 119f1a79-c391-4e37-905d-3a503284cadb else search --no-floppy --fs-uuid --set=root 119f1a79-c391-4e37-905d-3a503284cadb fi echo 'Loading Linux 5.7.0-rc2+.old ...' linux /boot/vmlinuz-5.7.0-rc2+.old root=UUID=119f1a79-c391-4e37-905d-3a503284cadb ro quiet splash ima-policy=tcb $vt_handoff echo 'Loading initial ramdisk ...' initrd /boot/initrd.img-5.7.0-rc2+ } menuentry 'Ubuntu, with Linux 5.7.0-rc2+.old (recovery mode)' --class ubuntu --class gnu-linux --class gnu --class os $menuentry_id_option 'gnulinux-5.7.0-rc2+.old-recovery-119f1a79-c391-4e37-905d-3a503284cadb' { recordfail load_video insmod gzio if [ x$grub_platform = xxen ]; then insmod xzio; insmod lzopio; fi insmod part_gpt insmod ext2 if [ x$feature_platform_search_hint = xy ]; then search --no-floppy --fs-uuid --set=root 119f1a79-c391-4e37-905d-3a503284cadb else search --no-floppy --fs-uuid --set=root 119f1a79-c391-4e37-905d-3a503284cadb fi echo 'Loading Linux 5.7.0-rc2+.old ...' linux /boot/vmlinuz-5.7.0-rc2+.old root=UUID=119f1a79-c391-4e37-905d-3a503284cadb ro recovery nomodeset echo 'Loading initial ramdisk ...' initrd /boot/initrd.img-5.7.0-rc2+ } menuentry 'Ubuntu, with Linux 5.6.0-rc3+' --class ubuntu --class gnu-linux --class gnu --class os $menuentry_id_option 'gnulinux-5.6.0-rc3+-advanced-119f1a79-c391-4e37-905d-3a503284cadb' { recordfail load_video gfxmode $linux_gfx_mode insmod gzio if [ x$grub_platform = xxen ]; then insmod xzio; insmod lzopio; fi insmod part_gpt insmod ext2 if [ x$feature_platform_search_hint = xy ]; then search --no-floppy --fs-uuid --set=root 119f1a79-c391-4e37-905d-3a503284cadb else search --no-floppy --fs-uuid --set=root 119f1a79-c391-4e37-905d-3a503284cadb fi echo 'Loading Linux 5.6.0-rc3+ ...' linux /boot/vmlinuz-5.6.0-rc3+ root=UUID=119f1a79-c391-4e37-905d-3a503284cadb ro quiet splash ima-policy=tcb $vt_handoff echo 'Loading initial ramdisk ...' initrd /boot/initrd.img-5.6.0-rc3+ } menuentry 'Ubuntu, with Linux 5.6.0-rc3+ (recovery mode)' --class ubuntu --class gnu-linux --class gnu --class os $menuentry_id_option 'gnulinux-5.6.0-rc3+-recovery-119f1a79-c391-4e37-905d-3a503284cadb' { recordfail load_video insmod gzio if [ x$grub_platform = xxen ]; then insmod xzio; insmod lzopio; fi insmod part_gpt insmod ext2 if [ x$feature_platform_search_hint = xy ]; then search --no-floppy --fs-uuid --set=root 119f1a79-c391-4e37-905d-3a503284cadb else search --no-floppy --fs-uuid --set=root 119f1a79-c391-4e37-905d-3a503284cadb fi echo 'Loading Linux 5.6.0-rc3+ ...' linux /boot/vmlinuz-5.6.0-rc3+ root=UUID=119f1a79-c391-4e37-905d-3a503284cadb ro recovery nomodeset echo 'Loading initial ramdisk ...' initrd /boot/initrd.img-5.6.0-rc3+ } menuentry 'Ubuntu, with Linux 5.6.0-rc1+.signed' --class ubuntu --class gnu-linux --class gnu --class os $menuentry_id_option 'gnulinux-5.6.0-rc1+.signed-advanced-119f1a79-c391-4e37-905d-3a503284cadb' { recordfail load_video gfxmode $linux_gfx_mode insmod gzio if [ x$grub_platform = xxen ]; then insmod xzio; insmod lzopio; fi insmod part_gpt insmod ext2 if [ x$feature_platform_search_hint = xy ]; then search --no-floppy --fs-uuid --set=root 119f1a79-c391-4e37-905d-3a503284cadb else search --no-floppy --fs-uuid --set=root 119f1a79-c391-4e37-905d-3a503284cadb fi echo 'Loading Linux 5.6.0-rc1+.signed ...' linux /boot/vmlinuz-5.6.0-rc1+.signed root=/dev/nvme0n1p2 ro quiet splash ima-policy=tcb $vt_handoff } menuentry 'Ubuntu, with Linux 5.6.0-rc1+.signed (recovery mode)' --class ubuntu --class gnu-linux --class gnu --class os $menuentry_id_option 'gnulinux-5.6.0-rc1+.signed-recovery-119f1a79-c391-4e37-905d-3a503284cadb' { recordfail load_video insmod gzio if [ x$grub_platform = xxen ]; then insmod xzio; insmod lzopio; fi insmod part_gpt insmod ext2 if [ x$feature_platform_search_hint = xy ]; then search --no-floppy --fs-uuid --set=root 119f1a79-c391-4e37-905d-3a503284cadb else search --no-floppy --fs-uuid --set=root 119f1a79-c391-4e37-905d-3a503284cadb fi echo 'Loading Linux 5.6.0-rc1+.signed ...' linux /boot/vmlinuz-5.6.0-rc1+.signed root=/dev/nvme0n1p2 ro recovery nomodeset } menuentry 'Ubuntu, with Linux 5.6.0-rc1+' --class ubuntu --class gnu-linux --class gnu --class os $menuentry_id_option 'gnulinux-5.6.0-rc1+-advanced-119f1a79-c391-4e37-905d-3a503284cadb' { recordfail load_video gfxmode $linux_gfx_mode insmod gzio if [ x$grub_platform = xxen ]; then insmod xzio; insmod lzopio; fi insmod part_gpt insmod ext2 if [ x$feature_platform_search_hint = xy ]; then search --no-floppy --fs-uuid --set=root 119f1a79-c391-4e37-905d-3a503284cadb else search --no-floppy --fs-uuid --set=root 119f1a79-c391-4e37-905d-3a503284cadb fi echo 'Loading Linux 5.6.0-rc1+ ...' linux /boot/vmlinuz-5.6.0-rc1+ root=UUID=119f1a79-c391-4e37-905d-3a503284cadb ro quiet splash ima-policy=tcb $vt_handoff echo 'Loading initial ramdisk ...' initrd /boot/initrd.img-5.6.0-rc1+ } menuentry 'Ubuntu, with Linux 5.6.0-rc1+ (recovery mode)' --class ubuntu --class gnu-linux --class gnu --class os $menuentry_id_option 'gnulinux-5.6.0-rc1+-recovery-119f1a79-c391-4e37-905d-3a503284cadb' { recordfail load_video insmod gzio if [ x$grub_platform = xxen ]; then insmod xzio; insmod lzopio; fi insmod part_gpt insmod ext2 if [ x$feature_platform_search_hint = xy ]; then search --no-floppy --fs-uuid --set=root 119f1a79-c391-4e37-905d-3a503284cadb else search --no-floppy --fs-uuid --set=root 119f1a79-c391-4e37-905d-3a503284cadb fi echo 'Loading Linux 5.6.0-rc1+ ...' linux /boot/vmlinuz-5.6.0-rc1+ root=UUID=119f1a79-c391-4e37-905d-3a503284cadb ro recovery nomodeset echo 'Loading initial ramdisk ...' initrd /boot/initrd.img-5.6.0-rc1+ } menuentry 'Ubuntu, with Linux 5.4.0-37-generic' --class ubuntu --class gnu-linux --class gnu --class os $menuentry_id_option 'gnulinux-5.4.0-37-generic-advanced-119f1a79-c391-4e37-905d-3a503284cadb' { recordfail load_video gfxmode $linux_gfx_mode insmod gzio if [ x$grub_platform = xxen ]; then insmod xzio; insmod lzopio; fi insmod part_gpt insmod ext2 if [ x$feature_platform_search_hint = xy ]; then search --no-floppy --fs-uuid --set=root 119f1a79-c391-4e37-905d-3a503284cadb else search --no-floppy --fs-uuid --set=root 119f1a79-c391-4e37-905d-3a503284cadb fi echo 'Loading Linux 5.4.0-37-generic ...' linux /boot/vmlinuz-5.4.0-37-generic root=UUID=119f1a79-c391-4e37-905d-3a503284cadb ro quiet splash ima-policy=tcb $vt_handoff echo 'Loading initial ramdisk ...' initrd /boot/initrd.img-5.4.0-37-generic } menuentry 'Ubuntu, with Linux 5.4.0-37-generic (recovery mode)' --class ubuntu --class gnu-linux --class gnu --class os $menuentry_id_option 'gnulinux-5.4.0-37-generic-recovery-119f1a79-c391-4e37-905d-3a503284cadb' { recordfail load_video insmod gzio if [ x$grub_platform = xxen ]; then insmod xzio; insmod lzopio; fi insmod part_gpt insmod ext2 if [ x$feature_platform_search_hint = xy ]; then search --no-floppy --fs-uuid --set=root 119f1a79-c391-4e37-905d-3a503284cadb else search --no-floppy --fs-uuid --set=root 119f1a79-c391-4e37-905d-3a503284cadb fi echo 'Loading Linux 5.4.0-37-generic ...' linux /boot/vmlinuz-5.4.0-37-generic root=UUID=119f1a79-c391-4e37-905d-3a503284cadb ro recovery nomodeset echo 'Loading initial ramdisk ...' initrd /boot/initrd.img-5.4.0-37-generic } menuentry 'Ubuntu, with Linux 5.3.0-59-generic' --class ubuntu --class gnu-linux --class gnu --class os $menuentry_id_option 'gnulinux-5.3.0-59-generic-advanced-119f1a79-c391-4e37-905d-3a503284cadb' { recordfail load_video gfxmode $linux_gfx_mode insmod gzio if [ x$grub_platform = xxen ]; then insmod xzio; insmod lzopio; fi insmod part_gpt insmod ext2 if [ x$feature_platform_search_hint = xy ]; then search --no-floppy --fs-uuid --set=root 119f1a79-c391-4e37-905d-3a503284cadb else search --no-floppy --fs-uuid --set=root 119f1a79-c391-4e37-905d-3a503284cadb fi echo 'Loading Linux 5.3.0-59-generic ...' linux /boot/vmlinuz-5.3.0-59-generic root=UUID=119f1a79-c391-4e37-905d-3a503284cadb ro quiet splash ima-policy=tcb $vt_handoff echo 'Loading initial ramdisk ...' initrd /boot/initrd.img-5.3.0-59-generic } menuentry 'Ubuntu, with Linux 5.3.0-59-generic (recovery mode)' --class ubuntu --class gnu-linux --class gnu --class os $menuentry_id_option 'gnulinux-5.3.0-59-generic-recovery-119f1a79-c391-4e37-905d-3a503284cadb' { recordfail load_video insmod gzio if [ x$grub_platform = xxen ]; then insmod xzio; insmod lzopio; fi insmod part_gpt insmod ext2 if [ x$feature_platform_search_hint = xy ]; then search --no-floppy --fs-uuid --set=root 119f1a79-c391-4e37-905d-3a503284cadb else search --no-floppy --fs-uuid --set=root 119f1a79-c391-4e37-905d-3a503284cadb fi echo 'Loading Linux 5.3.0-59-generic ...' linux /boot/vmlinuz-5.3.0-59-generic root=UUID=119f1a79-c391-4e37-905d-3a503284cadb ro recovery nomodeset echo 'Loading initial ramdisk ...' initrd /boot/initrd.img-5.3.0-59-generic } } =F Mc" ql5v To hdPN}>YKgrub_cmd: menuentry UEFI Firmware Settings --id uefi-firmware { fwsetup } ,+ A}Pv̻Ks )정Ng, Cg+4ZPLiDB1grub_cmd: [ -f (hd0,gpt2)/boot/grub/custom.cfg ] Gմ`7|g|@Y CuF~`r+"ɭ`J:ЁLgrub_cmd: [ -z (hd0,gpt2)/boot/grub -a -f (hd0,gpt2)/boot/grub/custom.cfg ] O>?:Ku 4!b-LѬVk0grub_cmd: setparams Advanced options for Ubuntu #&- 8pRq05<'>hpO+grub_cmd: menuentry Ubuntu, with Linux 5.7.0-rc2+ --class ubuntu --class gnu-linux --class gnu --class os --id gnulinux-5.7.0-rc2+-advanced-119f1a79-c391-4e37-905d-3a503284cadb { recordfail load_video gfxmode $linux_gfx_mode insmod gzio if [ x$grub_platform = xxen ]; then insmod xzio; insmod lzopio; fi insmod part_gpt insmod ext2 if [ x$feature_platform_search_hint = xy ]; then search --no-floppy --fs-uuid --set=root 119f1a79-c391-4e37-905d-3a503284cadb else search --no-floppy --fs-uuid --set=root 119f1a79-c391-4e37-905d-3a503284cadb fi echo 'Loading Linux 5.7.0-rc2+ ...' linux /boot/vmlinuz-5.7.0-rc2+ root=UUID=119f1a79-c391-4e37-905d-3a503284cadb ro quiet splash ima-policy=tcb $vt_handoff echo 'Loading initial ramdisk ...' initrd /boot/initrd.img-5.7.0-rc2+ } yu(Yh^U%Lx < Q|OL\m /&8 &!L grub_cmd: menuentry Ubuntu, with Linux 5.7.0-rc2+ (recovery mode) --class ubuntu --class gnu-linux --class gnu --class os --id gnulinux-5.7.0-rc2+-recovery-119f1a79-c391-4e37-905d-3a503284cadb { recordfail load_video insmod gzio if [ x$grub_platform = xxen ]; then insmod xzio; insmod lzopio; fi insmod part_gpt insmod ext2 if [ x$feature_platform_search_hint = xy ]; then search --no-floppy --fs-uuid --set=root 119f1a79-c391-4e37-905d-3a503284cadb else search --no-floppy --fs-uuid --set=root 119f1a79-c391-4e37-905d-3a503284cadb fi echo 'Loading Linux 5.7.0-rc2+ ...' linux /boot/vmlinuz-5.7.0-rc2+ root=UUID=119f1a79-c391-4e37-905d-3a503284cadb ro recovery nomodeset echo 'Loading initial ramdisk ...' initrd /boot/initrd.img-5.7.0-rc2+ } Q>%s/te.myn`/- F~g.R~Y t03Xm;+grub_cmd: menuentry Ubuntu, with Linux 5.6.0-rc3+ --class ubuntu --class gnu-linux --class gnu --class os --id gnulinux-5.6.0-rc3+-advanced-119f1a79-c391-4e37-905d-3a503284cadb { recordfail load_video gfxmode $linux_gfx_mode insmod gzio if [ x$grub_platform = xxen ]; then insmod xzio; insmod lzopio; fi insmod part_gpt insmod ext2 if [ x$feature_platform_search_hint = xy ]; then search --no-floppy --fs-uuid --set=root 119f1a79-c391-4e37-905d-3a503284cadb else search --no-floppy --fs-uuid --set=root 119f1a79-c391-4e37-905d-3a503284cadb fi echo 'Loading Linux 5.6.0-rc3+ ...' linux /boot/vmlinuz-5.6.0-rc3+ root=UUID=119f1a79-c391-4e37-905d-3a503284cadb ro quiet splash ima-policy=tcb $vt_handoff echo 'Loading initial ramdisk ...' initrd /boot/initrd.img-5.6.0-rc3+ } lBYl.Fb| b .e o:̀PU[8nd<( grub_cmd: menuentry Ubuntu, with Linux 5.6.0-rc3+ (recovery mode) --class ubuntu --class gnu-linux --class gnu --class os --id gnulinux-5.6.0-rc3+-recovery-119f1a79-c391-4e37-905d-3a503284cadb { recordfail load_video insmod gzio if [ x$grub_platform = xxen ]; then insmod xzio; insmod lzopio; fi insmod part_gpt insmod ext2 if [ x$feature_platform_search_hint = xy ]; then search --no-floppy --fs-uuid --set=root 119f1a79-c391-4e37-905d-3a503284cadb else search --no-floppy --fs-uuid --set=root 119f1a79-c391-4e37-905d-3a503284cadb fi echo 'Loading Linux 5.6.0-rc3+ ...' linux /boot/vmlinuz-5.6.0-rc3+ root=UUID=119f1a79-c391-4e37-905d-3a503284cadb ro recovery nomodeset echo 'Loading initial ramdisk ...' initrd /boot/initrd.img-5.6.0-rc3+ } ]\ZX8 2Wut@1-V(ؗzSgrub_cmd: menuentry Ubuntu, with Linux 5.6.0-rc1+.signed --class ubuntu --class gnu-linux --class gnu --class os --id gnulinux-5.6.0-rc1+.signed-advanced-119f1a79-c391-4e37-905d-3a503284cadb { recordfail load_video gfxmode $linux_gfx_mode insmod gzio if [ x$grub_platform = xxen ]; then insmod xzio; insmod lzopio; fi insmod part_gpt insmod ext2 if [ x$feature_platform_search_hint = xy ]; then search --no-floppy --fs-uuid --set=root 119f1a79-c391-4e37-905d-3a503284cadb else search --no-floppy --fs-uuid --set=root 119f1a79-c391-4e37-905d-3a503284cadb fi echo 'Loading Linux 5.6.0-rc1+.signed ...' linux /boot/vmlinuz-5.6.0-rc1+.signed root=/dev/nvme0n1p2 ro quiet splash ima-policy=tcb $vt_handoff } {ұPC04 aMs|f'V4!*SŚ &t?(1grub_cmd: menuentry Ubuntu, with Linux 5.6.0-rc1+.signed (recovery mode) --class ubuntu --class gnu-linux --class gnu --class os --id gnulinux-5.6.0-rc1+.signed-recovery-119f1a79-c391-4e37-905d-3a503284cadb { recordfail load_video insmod gzio if [ x$grub_platform = xxen ]; then insmod xzio; insmod lzopio; fi insmod part_gpt insmod ext2 if [ x$feature_platform_search_hint = xy ]; then search --no-floppy --fs-uuid --set=root 119f1a79-c391-4e37-905d-3a503284cadb else search --no-floppy --fs-uuid --set=root 119f1a79-c391-4e37-905d-3a503284cadb fi echo 'Loading Linux 5.6.0-rc1+.signed ...' linux /boot/vmlinuz-5.6.0-rc1+.signed root=/dev/nvme0n1p2 ro recovery nomodeset } 5sVү.%ĠeKS'uH fxEwPZP 0c+grub_cmd: menuentry Ubuntu, with Linux 5.6.0-rc1+ --class ubuntu --class gnu-linux --class gnu --class os --id gnulinux-5.6.0-rc1+-advanced-119f1a79-c391-4e37-905d-3a503284cadb { recordfail load_video gfxmode $linux_gfx_mode insmod gzio if [ x$grub_platform = xxen ]; then insmod xzio; insmod lzopio; fi insmod part_gpt insmod ext2 if [ x$feature_platform_search_hint = xy ]; then search --no-floppy --fs-uuid --set=root 119f1a79-c391-4e37-905d-3a503284cadb else search --no-floppy --fs-uuid --set=root 119f1a79-c391-4e37-905d-3a503284cadb fi echo 'Loading Linux 5.6.0-rc1+ ...' linux /boot/vmlinuz-5.6.0-rc1+ root=UUID=119f1a79-c391-4e37-905d-3a503284cadb ro quiet splash ima-policy=tcb $vt_handoff echo 'Loading initial ramdisk ...' initrd /boot/initrd.img-5.6.0-rc1+ } ZBǻ3etGJ(d Q甮>ɒ AEǁ grub_cmd: menuentry Ubuntu, with Linux 5.6.0-rc1+ (recovery mode) --class ubuntu --class gnu-linux --class gnu --class os --id gnulinux-5.6.0-rc1+-recovery-119f1a79-c391-4e37-905d-3a503284cadb { recordfail load_video insmod gzio if [ x$grub_platform = xxen ]; then insmod xzio; insmod lzopio; fi insmod part_gpt insmod ext2 if [ x$feature_platform_search_hint = xy ]; then search --no-floppy --fs-uuid --set=root 119f1a79-c391-4e37-905d-3a503284cadb else search --no-floppy --fs-uuid --set=root 119f1a79-c391-4e37-905d-3a503284cadb fi echo 'Loading Linux 5.6.0-rc1+ ...' linux /boot/vmlinuz-5.6.0-rc1+ root=UUID=119f1a79-c391-4e37-905d-3a503284cadb ro recovery nomodeset echo 'Loading initial ramdisk ...' initrd /boot/initrd.img-5.6.0-rc1+ } SENZ=BC"[ 3!brzY.=~h94t!g@8sIgrub_cmd: menuentry Ubuntu, with Linux 5.4.0-37-generic --class ubuntu --class gnu-linux --class gnu --class os --id gnulinux-5.4.0-37-generic-advanced-119f1a79-c391-4e37-905d-3a503284cadb { recordfail load_video gfxmode $linux_gfx_mode insmod gzio if [ x$grub_platform = xxen ]; then insmod xzio; insmod lzopio; fi insmod part_gpt insmod ext2 if [ x$feature_platform_search_hint = xy ]; then search --no-floppy --fs-uuid --set=root 119f1a79-c391-4e37-905d-3a503284cadb else search --no-floppy --fs-uuid --set=root 119f1a79-c391-4e37-905d-3a503284cadb fi echo 'Loading Linux 5.4.0-37-generic ...' linux /boot/vmlinuz-5.4.0-37-generic root=UUID=119f1a79-c391-4e37-905d-3a503284cadb ro quiet splash ima-policy=tcb $vt_handoff echo 'Loading initial ramdisk ...' initrd /boot/initrd.img-5.4.0-37-generic }  Bڄ;Fk1,= <$g8fY!$Zي͚w*grub_cmd: menuentry Ubuntu, with Linux 5.4.0-37-generic (recovery mode) --class ubuntu --class gnu-linux --class gnu --class os --id gnulinux-5.4.0-37-generic-recovery-119f1a79-c391-4e37-905d-3a503284cadb { recordfail load_video insmod gzio if [ x$grub_platform = xxen ]; then insmod xzio; insmod lzopio; fi insmod part_gpt insmod ext2 if [ x$feature_platform_search_hint = xy ]; then search --no-floppy --fs-uuid --set=root 119f1a79-c391-4e37-905d-3a503284cadb else search --no-floppy --fs-uuid --set=root 119f1a79-c391-4e37-905d-3a503284cadb fi echo 'Loading Linux 5.4.0-37-generic ...' linux /boot/vmlinuz-5.4.0-37-generic root=UUID=119f1a79-c391-4e37-905d-3a503284cadb ro recovery nomodeset echo 'Loading initial ramdisk ...' initrd /boot/initrd.img-5.4.0-37-generic } rfQ6oeok2oJ h3s jF]Z`!$,V v+Igrub_cmd: menuentry Ubuntu, with Linux 5.3.0-59-generic --class ubuntu --class gnu-linux --class gnu --class os --id gnulinux-5.3.0-59-generic-advanced-119f1a79-c391-4e37-905d-3a503284cadb { recordfail load_video gfxmode $linux_gfx_mode insmod gzio if [ x$grub_platform = xxen ]; then insmod xzio; insmod lzopio; fi insmod part_gpt insmod ext2 if [ x$feature_platform_search_hint = xy ]; then search --no-floppy --fs-uuid --set=root 119f1a79-c391-4e37-905d-3a503284cadb else search --no-floppy --fs-uuid --set=root 119f1a79-c391-4e37-905d-3a503284cadb fi echo 'Loading Linux 5.3.0-59-generic ...' linux /boot/vmlinuz-5.3.0-59-generic root=UUID=119f1a79-c391-4e37-905d-3a503284cadb ro quiet splash ima-policy=tcb $vt_handoff echo 'Loading initial ramdisk ...' initrd /boot/initrd.img-5.3.0-59-generic } 1| 4Z6 $ ΋Wur-Y8W$cj *grub_cmd: menuentry Ubuntu, with Linux 5.3.0-59-generic (recovery mode) --class ubuntu --class gnu-linux --class gnu --class os --id gnulinux-5.3.0-59-generic-recovery-119f1a79-c391-4e37-905d-3a503284cadb { recordfail load_video insmod gzio if [ x$grub_platform = xxen ]; then insmod xzio; insmod lzopio; fi insmod part_gpt insmod ext2 if [ x$feature_platform_search_hint = xy ]; then search --no-floppy --fs-uuid --set=root 119f1a79-c391-4e37-905d-3a503284cadb else search --no-floppy --fs-uuid --set=root 119f1a79-c391-4e37-905d-3a503284cadb fi echo 'Loading Linux 5.3.0-59-generic ...' linux /boot/vmlinuz-5.3.0-59-generic root=UUID=119f1a79-c391-4e37-905d-3a503284cadb ro recovery nomodeset echo 'Loading initial ramdisk ...' initrd /boot/initrd.img-5.3.0-59-generic } ,qfU جJa=ѯ ]jhO"_(2grub_cmd: setparams Ubuntu, with Linux 5.7.0-rc2+ fF8魧) ~~(nNe@:8'{ gL.grub_cmd: recordfail p6b 6hDt d[׆HIf Pu Y@grub_cmd: set recordfail=1 z8gؕTqa- $6T}l&12YxHiHxgrub_cmd: [ -n ] f G$)SD v&ؾtBu6J>:;S?똢ogrub_cmd: set gfxpayload=keep RAߥy] _BKU ]^j5lN;fgrub_cmd: [ keep = keep ] n*~ k ;6oaq"|s(&grub_cmd: set vt_handoff=vt.handoff=7 Ph lFtRgbT nǔėgrub_cmd: insmod gzio -EݺFv2[ui Th佟 ݡ3_@]ߍosMgrub_cmd: [ xefi = xxen ] y|A!p#A bv t.FFݐa'WYGgrub_cmd: insmod part_gpt ?\V/ 2 8҆ z eY ; 1 grub_cmd: insmod ext2 g?go複 Eh6X1-dZ40/B7R!]iYgrub_cmd: [ xy = xy ] !epUS\ܠ /e'C6kΜ B4>M-MWgrub_cmd: search --no-floppy --fs-uuid --set=root 119f1a79-c391-4e37-905d-3a503284cadb i ڛy w)+4 _*b]߅jRyp\9uMeΝ,grub_cmd: echo Loading Linux 5.7.0-rc2+ ... ,<#Ӟ!&K /Bm$hgjPˣۄgrub_cmd: linux /boot/vmlinuz-5.7.0-rc2+ root=UUID=119f1a79-c391-4e37-905d-3a503284cadb ro quiet splash ima-policy=tcb vt.handoff=7 y#kμ.3 Bl 4`8#Z@TiWjK3 Dv/boot/vmlinuz-5.7.0-rc2+iٝTXH7*G _"!ӹ'TlHBB)ny#kμ.3 Bl 4`8#Z@TiWjK3 Dv)n iMIV,zL*Pg! ŀT\ U-F3lR5Nȯ`+grub_cmd: echo Loading initial ramdisk ... ';bzg PiG :\6p%G\v\8-grub_cmd: initrd /boot/initrd.img-5.7.0-rc2+ ,qfU جJa=ѯ ]jhO"_(2grub_cmd: setparams Ubuntu, with Linux 5.7.0-rc2+ fF8魧) ~~(nNe@:8'{ gL.grub_cmd: recordfail p6b 6hDt d[׆HIf Pu Y@grub_cmd: set recordfail=1 z8gؕTqa- $6T}l&12YxHiHxgrub_cmd: [ -n ] f G$)SD v&ؾtBu6J>:;S?똢ogrub_cmd: set gfxpayload=keep RAߥy] _BKU ]^j5lN;fgrub_cmd: [ keep = keep ] n*~ k ;6oaq"|s(&grub_cmd: set vt_handoff=vt.handoff=7 Ph lFtRgbT nǔėgrub_cmd: insmod gzio -EݺFv2[ui Th佟 ݡ3_@]ߍosMgrub_cmd: [ xefi = xxen ] y|A!p#A bv t.FFݐa'WYGgrub_cmd: insmod part_gpt ?\V/ 2 8҆ z eY ; 1 grub_cmd: insmod ext2 g?go複 Eh6X1-dZ40/B7R!]iYgrub_cmd: [ xy = xy ] !epUS\ܠ /e'C6kΜ B4>M-MWgrub_cmd: search --no-floppy --fs-uuid --set=root 119f1a79-c391-4e37-905d-3a503284cadb i ڛy w)+4 _*b]߅jRyp\9uMeΝ,grub_cmd: echo Loading Linux 5.7.0-rc2+ ... ~K}ځ 8,O2!WNpJ#a0H~Qgrub_cmd: linux /boot/vmlinuz-5.7.0-rc2+.signed root=UUID=119f1a79-c391-4e37-905d-3a503284cadb ro quiet splash ima-policy=tcb vt.handoff=7 ⏝則S:dn Y`_ )9."WJCAZ?@ /boot/vmlinuz-5.7.0-rc2+.signediٝTXH7*G _"!ӹ'TlHBB)_⏝則S:dn Y`_ )9."WJCAZ?@)_sB{Ieߏ fuon|GᲖPwP]`FC=݋#CMokList0?0'w%VW ߫XTv0  *H  01 0 UUS1 0 U NY10U WhitePlains1 0 U IBM10U Secure Boot Signing1"0  *H  zohar@linux.ibm.com0  200311122912Z21200216122912Z01 0 UUS1 0 U NY10U WhitePlains1 0 U IBM10U Secure Boot Signing1"0  *H  zohar@linux.ibm.com0"0  *H 0 }} ~0?| 1A350ԑ-j+/lF)S)Ȏ^Jf .]3>hռw"GA*ힹߊ֋xU׹5K_3"zʫO!K~@ymj'WƖ9t;˥'kv?%1+6vWC刉['5~ pA.L$)+b q4櫪&\}Knj;*S|pjNщSM{bvvq00U y2T5Q;o0U#0 y2T5Q;o0 U00+U%$0"+ +7  +0, `HB OpenSSL Generated Certificate0  *H  è>Y.A;% ,Ԍ(9#Z Ѹ4$%Kz,}BQ8`ƔGJwO9e<V%8s=qVޟ"4GqC5˅6"yWHߨ\a"&b`Lo$ p ƚzhvgKe\O^lVi.wӨ[w0b>Uެ41dӸ=SJkv-< yi[m`m)łǮ'Y;)D^eіזHm SbK\\bXĸ'y8=<"WRk]W(\]zJҍDZ^OAgF[>ƒ5-d8n--sf1dpT,2/ _Y㰰ʮo{y½睅hHP^!6଑z =۔&ki~bDpv|i"}FM7p ޘk!uZ0KVcP NDfnc̥&(MgzZkernel_cmdline: /boot/vmlinuz-5.7.0-rc2+.signed root=UUID=119f1a79-c391-4e37-905d-3a503284cadb ro quiet splash ima-policy=tcb vt.handoff=7 iMIV,zL*Pg! ŀT\ U-F3lR5Nȯ`+grub_cmd: echo Loading initial ramdisk ... ';bzg PiG :\6p%G\v\8-grub_cmd: initrd /boot/initrd.img-5.7.0-rc2+ E_ѩEM8Iɑ. PYPl0" ^rqjv*H//boot/initrd.img-5.7.0-rc2+ima-evm-utils-1.4/tests/sample-tpm-2.0-pcrs-8-9000066400000000000000000000021151414054773100207750ustar00rootroot00000000000000pcrread: tsspcrread -halg sha1 0: 92c1850372e9493929aa9a2e9ea953e21ff1be45 1: 41c54039ca2750ea60d8ab7c48b142b10aba5667 2: b2a83b0ebf2f8374299a5b2bdfc31ea955ad7236 3: b2a83b0ebf2f8374299a5b2bdfc31ea955ad7236 4: 4c1a19aad90f770956ff5ee00334a2d548b1a350 5: a1444a8a9904666165730168b3ae489447d3cef7 6: b2a83b0ebf2f8374299a5b2bdfc31ea955ad7236 7: 5c6327a67ff36f138e0b7bb1d2eafbf8a6e52ebf 8: fed489d2e5f9f85136e5ff53553d5f8b978dbe1a 9: a2fa191f2622bb014702013bfebfca9fe210d9e5 10: 3134641a3e8a1f5f75fa850bb21c3104d6ab863b 11: 0000000000000000000000000000000000000000 12: 0000000000000000000000000000000000000000 13: 0000000000000000000000000000000000000000 14: 71161a5707051fa7d6f584d812240b2e80f61942 15: 0000000000000000000000000000000000000000 16: 0000000000000000000000000000000000000000 17: ffffffffffffffffffffffffffffffffffffffff 18: ffffffffffffffffffffffffffffffffffffffff 19: ffffffffffffffffffffffffffffffffffffffff 20: ffffffffffffffffffffffffffffffffffffffff 21: ffffffffffffffffffffffffffffffffffffffff 22: ffffffffffffffffffffffffffffffffffffffff 23: 0000000000000000000000000000000000000000 ima-evm-utils-1.4/tests/sign_verify.test000077500000000000000000000311671414054773100204570ustar00rootroot00000000000000#!/bin/bash # SPDX-License-Identifier: GPL-2.0 # # evmctl {,ima_}{sign,verify} tests # # Copyright (C) 2020 Vitaly Chikunov # # This program is free software; you can redistribute it and/or modify # it under the terms of the GNU General Public License as published by # the Free Software Foundation; either version 2, or (at your option) # any later version. # # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU General Public License for more details. cd "$(dirname "$0")" || exit 1 PATH=../src:$PATH source ./functions.sh _require cmp evmctl getfattr openssl xxd if cmp -b 2>&1 | grep -q "invalid option"; then echo "cmp does not support -b (cmp from busybox?) Use cmp from diffutils" exit "$HARDFAIL" fi ./gen-keys.sh >/dev/null 2>&1 trap _report_exit_and_cleanup EXIT WORKDIR=$(mktemp -d) set -f # disable globbing # Determine keyid from a cert _keyid_from_cert() { local cer=${1%.*}.cer cmd local tmp cer=test-${cer#test-} # shellcheck disable=SC2086 cmd="openssl x509 $OPENSSL_ENGINE \ -in $cer -inform DER -pubkey -noout" id=$($cmd 2>/dev/null \ | openssl asn1parse \ | grep BIT.STRING \ | tail -n1 \ | cut -d: -f1) if [ -z "$id" ]; then echo - "$cmd" >&2 echo "Cannot asn1parse $cer to determine keyid" >&2 exit 1 fi tmp=$(mktemp) # shellcheck disable=SC2086 openssl x509 $OPENSSL_ENGINE \ -in "$cer" -inform DER -pubkey -noout 2>/dev/null \ | openssl asn1parse -strparse "$id" -out "$tmp" -noout # shellcheck disable=SC2002 cat "$tmp" \ | openssl dgst -c -sha1 \ | cut -d' ' -f2 \ | grep -o ":..:..:..:..$" \ | tr -d : rm -f "$tmp" } # Convert test $type into evmctl op prefix _op() { if [ "$1" = ima ]; then echo ima_ fi } # Convert test $type into xattr name _xattr() { if [ "$1" = ima ]; then echo user.ima else echo user.evm fi } # Check that detached signature matches xattr signature _test_sigfile() { local file=$1 attr=$2 file_sig=$3 file_sig2=$4 if [ ! -e "$file_sig" ]; then color_red echo "evmctl ima_sign: no detached signature $file_sig" color_restore rm "$file" return "$FAIL" fi _extract_xattr "$file" "$attr" "$file_sig2" if ! cmp -bl "$file_sig" "$file_sig2"; then color_red echo "evmctl ima_sign: xattr signature on $file differ from detached $file_sig" color_restore rm "$file" "$file_sig" "$file_sig2" return "$FAIL" fi # Leave '$file_sig' for ima_verify --sigfile test. rm "$file_sig2" } # Run single sign command _evmctl_sign() { local type=$1 key=$2 alg=$3 file=$4 opts=$5 # Can check --sigfile for ima_sign [ "$type" = ima ] && opts+=" --sigfile" # shellcheck disable=SC2086 ADD_TEXT_FOR="$alg ($key)" ADD_DEL=$file \ _evmctl_run "$(_op "$type")sign" $opts \ --hashalgo "$alg" --key "$key" --xattr-user "$file" || return if [ "$type" = ima ]; then _test_sigfile "$file" "$(_xattr "$type")" "$file.sig" "$file.sig2" fi } # Run and test {ima_,}sign operation check_sign() { # Arguments are passed via global vars: # TYPE (ima or evm), # KEY, # ALG (hash algo), # PREFIX (signature header prefix in hex), # OPTS (additional options for evmctl), # FILE (working file to sign). local "$@" local key verifykey local FILE=${FILE:-$ALG.txt} # Normalize key filename if it's not a pkcs11 URI if [ ${KEY:0:7} != pkcs11: ]; then key=${KEY%.*}.key key=test-${key#test-} else key=${KEY} fi # Append suffix to files for negative tests, because we may # leave only good files for verify tests. _test_expected_to_fail && FILE+='~' rm -f $FILE if ! touch $FILE; then color_red echo "Can't create test file: $FILE" color_restore return "$HARDFAIL" fi if _test_expected_to_pass; then # Can openssl work with this digest? cmd="openssl dgst $OPENSSL_ENGINE $OPENSSL_KEYFORM -$ALG $FILE" echo - "$cmd" if ! $cmd >/dev/null; then echo "${CYAN}$ALG ($key) test is skipped (openssl is unable to digest)$NORM" return "$SKIP" fi if [ "${key:0:7}" != pkcs11: ] && [ ! -e "$key" ]; then echo "${CYAN}$ALG ($key) test is skipped (key file not found)$NORM" return "$SKIP" fi # Can openssl sign with this digest and key? cmd="openssl dgst $OPENSSL_ENGINE $OPENSSL_KEYFORM -$ALG -sign $key -hex $FILE" echo - "$cmd" if ! $cmd >/dev/null; then echo "${CYAN}$ALG ($key) test is skipped (openssl is unable to sign)$NORM" return "$SKIP" fi fi # Insert keyid from cert into PREFIX in-place of marker `:K:' if [[ $PREFIX =~ :K: ]]; then keyid=$(_keyid_from_cert "$key") if [ $? -ne 0 ]; then color_red echo "Unable to determine keyid for $key" color_restore return "$HARDFAIL" fi [ "$VERBOSE" -gt 2 ] && echo " Expected keyid: $keyid" PREFIX=${PREFIX/:K:/$keyid} fi # Perform signing by evmctl _evmctl_sign "$TYPE" "$key" "$ALG" "$FILE" "$OPTS" || return # First simple pattern match the signature. ADD_TEXT_FOR=$ALG \ _test_xattr "$FILE" "$(_xattr "$TYPE")" "$PREFIX.*" || return # This is all we can do for v1 signatures. [[ "$OPTS" =~ --rsa ]] && return "$OK" # This is all we can do for evm. [[ "$TYPE" =~ evm ]] && return "$OK" # When using the SM2/3 algorithm, the openssl tool uses USERID for verify, # which is incompatible with calling API directly, so skip it. [[ "$ALG" == sm3 ]] && return "$OK" # Extract signature to a file _extract_xattr "$FILE" "$(_xattr "$TYPE")" "$FILE.sig2" "$PREFIX" # Verify extracted signature with openssl if [ "${key:0:7}" != pkcs11: ]; then verifykey=${key%.*}.pub else verifykey=${key} fi cmd="openssl dgst $OPENSSL_ENGINE $OPENSSL_KEYFORM -$ALG -verify ${verifykey} \ -signature $FILE.sig2 $FILE" echo - "$cmd" if ! $cmd; then color_red_on_failure echo "Signature v2 verification with openssl is failed." color_restore rm "$FILE.sig2" return "$FAIL" fi rm "$FILE.sig2" return "$OK" } # Test verify operation check_verify() { # Arguments are passed via global vars: # TYPE (ima or evm), # KEY, # ALG (hash algo), # OPTS (additional options for evmctl), # FILE (filename to verify). local "$@" # shellcheck disable=SC2086 if ! openssl dgst $OPENSSL_ENGINE -"$ALG" /dev/null >/dev/null 2>&1; then echo $CYAN"$ALG ($KEY) test is skipped (openssl does not support $ALG)"$NORM return $SKIP fi # shellcheck disable=SC2086 ADD_TEXT_FOR="$FILE ($KEY)" \ _evmctl_run "$(_op "$TYPE")verify" --key "$KEY" --xattr-user $OPTS "$FILE" } # Test runners # Perform sign and verify ima and evm testing sign_verify() { local key=$1 alg=$2 prefix="$3" opts="$4" local file=$alg.txt # Set defaults: # Public key is different for v1 and v2 (where x509 cert is used). if [[ $opts =~ --rsa ]]; then KEY=test-$key.pub else KEY=test-$key.cer fi ALG=$alg PREFIX=$prefix OPTS=$opts FILE=$file TYPE=ima if expect_pass check_sign; then # Normal verify with proper key should pass expect_pass check_verify expect_pass check_verify OPTS="--sigfile" # Multiple files and some don't verify expect_fail check_verify FILE="/dev/null $file" rm "$FILE.sig" fi TYPE=evm # Avoid running blkid for evm tests which may require root # No generation on overlayfs: # ioctl(3, FS_IOC_GETVERSION, 0x7ffd8e0bd628) = -1 ENOTTY (Inappropriate ioctl for device) OPTS="$opts --uuid --generation 0" if expect_pass check_sign; then # Normal verify with proper key expect_pass check_verify # Verify with wrong key expect_fail check_verify KEY=rsa2048 fi # Note: Leaving TYPE=evm and file is evm signed } # Test --keys try_different_keys() { # This run after sign_verify which leaves # TYPE=evm and file is evm signed # v2 signing can work with multiple keys in --key option if [[ ! $OPTS =~ --rsa ]]; then # Have correct key in the key list expect_pass check_verify KEY="test-rsa2048.cer,$KEY" expect_pass check_verify KEY="/dev/null,$KEY," fi # Try key that is not used for signing expect_fail check_verify KEY=rsa2048 # Try completely wrong key files expect_fail check_verify KEY=/dev/null expect_fail check_verify KEY=/dev/zero } try_different_sigs() { # TYPE=evm and file is evm signed # Test --imasig if expect_pass check_sign OPTS="$OPTS --imasig"; then # Verify both evm and ima sigs expect_pass check_verify expect_pass check_verify TYPE=ima fi # Test --imahash if expect_pass check_sign OPTS="$OPTS --imahash"; then expect_pass check_verify # IMA hash is not verifiable by ima_verify expect_fail check_verify TYPE=ima fi # Test --portable (only supported for V2 signatures) if expect_pass check_sign OPTS="$OPTS --portable --imahash" PREFIX=0x05; then if [[ "$OPTS" =~ --rsa ]]; then expect_fail check_verify else expect_pass check_verify fi fi # Test -i (immutable) expect_pass check_sign OPTS="$OPTS -i" PREFIX=0x0303 # Cannot be verified for now } # Single test args: type key hash signature-prefix "evmctl-options" # sign_verify args: key hash signature-prefix "evmctl-options" # Only single test can be prefixed with expect_{fail,pass} # `sign_verify' can not be prefixed with expect_{fail,pass} because # it runs multiple tests inside. See more tests there. # signature-prefix can contain `:K:' which will be resolved to keyid (v2 only) ## Test v1 signatures # Signature v1 only supports sha1 and sha256 so any other should fail expect_fail \ check_sign TYPE=ima KEY=rsa1024 ALG=md5 PREFIX=0x0301 OPTS=--rsa sign_verify rsa1024 sha1 0x0301 --rsa sign_verify rsa1024 sha256 0x0301 --rsa try_different_keys try_different_sigs ## Test v2 signatures with RSA PKCS#1 # List of allowed hashes much greater but not all are supported. sign_verify rsa1024 md5 0x030201:K:0080 sign_verify rsa1024 sha1 0x030202:K:0080 sign_verify rsa1024 sha224 0x030207:K:0080 expect_pass check_sign TYPE=ima KEY=rsa1024 ALG=sha256 PREFIX=0x030204aabbccdd0080 OPTS=--keyid=aabbccdd expect_pass check_sign TYPE=ima KEY=rsa1024 ALG=sha256 PREFIX=0x030204:K:0080 OPTS=--keyid-from-cert=test-rsa1024.cer expect_pass check_sign TYPE=ima KEY=rsa1024_skid ALG=sha256 PREFIX=0x030204123456780080 sign_verify rsa1024 sha256 0x030204:K:0080 try_different_keys try_different_sigs sign_verify rsa1024 sha384 0x030205:K:0080 sign_verify rsa1024 sha512 0x030206:K:0080 sign_verify rsa1024 rmd160 0x030203:K:0080 # Test v2 signatures with ECDSA # Signature length is typically 0x34-0x38 bytes long, very rarely 0x33 sign_verify prime192v1 sha1 0x030202:K:003[345678] sign_verify prime192v1 sha224 0x030207:K:003[345678] sign_verify prime192v1 sha256 0x030204:K:003[345678] sign_verify prime192v1 sha384 0x030205:K:003[345678] sign_verify prime192v1 sha512 0x030206:K:003[345678] # Signature length is typically 0x44-0x48 bytes long, very rarely 0x43 sign_verify prime256v1 sha1 0x030202:K:004[345678] sign_verify prime256v1 sha224 0x030207:K:004[345678] sign_verify prime256v1 sha256 0x030204:K:004[345678] sign_verify prime256v1 sha384 0x030205:K:004[345678] sign_verify prime256v1 sha512 0x030206:K:004[345678] # If openssl 3.0 is installed, test the SM2/3 algorithm combination if [ -x /opt/openssl3/bin/openssl ]; then PATH=/opt/openssl3/bin:$PATH LD_LIBRARY_PATH=/opt/openssl3/lib \ sign_verify sm2 sm3 0x030211:K:004[345678] fi # Test v2 signatures with EC-RDSA _enable_gost_engine sign_verify gost2012_256-A md_gost12_256 0x030212:K:0040 sign_verify gost2012_256-B md_gost12_256 0x030212:K:0040 sign_verify gost2012_256-C md_gost12_256 0x030212:K:0040 sign_verify gost2012_512-A md_gost12_512 0x030213:K:0080 sign_verify gost2012_512-B md_gost12_512 0x030213:K:0080 # Test if signing with wrong key length does not work. expect_fail \ check_sign TYPE=ima KEY=gost2012_512-B ALG=md_gost12_256 PREFIX=0x0302 OPTS= expect_fail \ check_sign TYPE=ima KEY=gost2012_256-B ALG=md_gost12_512 PREFIX=0x0302 OPTS= # Test signing with key described by pkcs11 URI _softhsm_setup "${WORKDIR}" if [ -n "${PKCS11_KEYURI}" ]; then expect_pass check_sign FILE=pkcs11test TYPE=ima KEY=${PKCS11_KEYURI} ALG=sha256 PREFIX=0x030204aabbccdd0100 OPTS=--keyid=aabbccdd expect_pass check_sign FILE=pkcs11test TYPE=ima KEY=${PKCS11_KEYURI} ALG=sha1 PREFIX=0x030202aabbccdd0100 OPTS=--keyid=aabbccdd else # to have a constant number of tests, skip these two tests __skip() { echo "pkcs11 test is skipped: could not setup softhsm"; return $SKIP; } expect_pass __skip expect_pass __skip fi _softhsm_teardown "${WORKDIR}" ima-evm-utils-1.4/tests/softhsm_setup000077500000000000000000000141621414054773100200540ustar00rootroot00000000000000#!/usr/bin/env bash # SPDX-License-Identifier: GPL-2.0 and BSD-3-clause # This program originates from 'swtpm' project (https://github.com/stefanberger/swtpm/) if [ -z "$(type -P p11tool)" ]; then echo "Need p11tool from gnutls" exit 77 fi if [ -z "$(type -P softhsm2-util)" ]; then echo "Need softhsm2-util from softhsm2 package" exit 77 fi MAJOR=$(softhsm2-util -v | cut -d '.' -f1) MINOR=$(softhsm2-util -v | cut -d '.' -f2) if [ ${MAJOR} -lt 2 ] || [ ${MAJOR} -eq 2 -a ${MINOR} -lt 2 ]; then echo "Need softhsm v2.2.0 or later" exit 77 fi NAME=swtpm-test PIN=${PIN:-1234} SO_PIN=${SO_PIN:-1234} SOFTHSM_SETUP_CONFIGDIR=${SOFTHSM_SETUP_CONFIGDIR:-~/.config/softhsm2} export SOFTHSM2_CONF=${SOFTHSM_SETUP_CONFIGDIR}/softhsm2.conf UNAME_S="$(uname -s)" case "${UNAME_S}" in Darwin) msg=$(sudo -v -n) if [ $? -ne 0 ]; then echo "Need password-less sudo rights on OS X to change /etc/gnutls/pkcs11.conf" exit 1 fi ;; esac teardown_softhsm() { local configdir=${SOFTHSM_SETUP_CONFIGDIR} local configfile=${SOFTHSM2_CONF} local bakconfigfile=${configfile}.bak local tokendir=${configdir}/tokens softhsm2-util --token "${NAME}" --delete-token &>/dev/null case "${UNAME_S}" in Darwin*) if [ -f /etc/gnutls/pkcs11.conf.bak ]; then sudo rm -f /etc/gnutls/pkcs11.conf sudo mv /etc/gnutls/pkcs11.conf.bak \ /etc/gnutls/pkcs11.conf &>/dev/null fi ;; esac if [ -f "$bakconfigfile" ]; then mv "$bakconfigfile" "$configfile" else rm -f "$configfile" fi if [ -d "$tokendir" ]; then rm -rf "${tokendir}" fi return 0 } setup_softhsm() { local msg tokenuri keyuri local configdir=${SOFTHSM_SETUP_CONFIGDIR} local configfile=${SOFTHSM2_CONF} local bakconfigfile=${configfile}.bak local tokendir=${configdir}/tokens local rc case "${UNAME_S}" in Darwin*) if [ -f /etc/gnutls/pkcs11.conf.bak ]; then echo "/etc/gnutls/pkcs11.conf.bak already exists; need to 'teardown' first" return 1 fi sudo mv /etc/gnutls/pkcs11.conf \ /etc/gnutls/pkcs11.conf.bak &>/dev/null if [ $(id -u) -eq 0 ]; then SONAME="$(sudo -u nobody brew ls --verbose softhsm | \ grep -E "\.so$")" else SONAME="$(brew ls --verbose softhsm | \ grep -E "\.so$")" fi sudo mkdir -p /etc/gnutls &>/dev/null sudo bash -c "echo "load=${SONAME}" > /etc/gnutls/pkcs11.conf" ;; esac if ! [ -d $configdir ]; then mkdir -p $configdir fi mkdir -p ${tokendir} if [ -f $configfile ]; then mv "$configfile" "$bakconfigfile" fi if ! [ -f $configfile ]; then cat <<_EOF_ > $configfile directories.tokendir = ${tokendir} objectstore.backend = file log.level = DEBUG slots.removable = false _EOF_ fi msg=$(p11tool --list-tokens 2>&1 | grep "token=${NAME}" | tail -n1) if [ $? -ne 0 ]; then echo "Could not list existing tokens" echo "$msg" fi tokenuri=$(echo "$msg" | sed -n 's/.*URL: \([[:print:]*]\)/\1/p') if [ -z "$tokenuri" ]; then msg=$(softhsm2-util \ --init-token --pin ${PIN} --so-pin ${SO_PIN} \ --free --label ${NAME} 2>&1) if [ $? -ne 0 ]; then echo "Could not initialize token" echo "$msg" return 2 fi slot=$(echo "$msg" | \ sed -n 's/.* reassigned to slot \([0-9]*\)$/\1/p') if [ -z "$slot" ]; then slot=$(softhsm2-util --show-slots | \ grep -E "^Slot " | head -n1 | sed -n 's/Slot \([0-9]*\)/\1/p') if [ -z "$slot" ]; then echo "Could not parse slot number from output." echo "$msg" return 3 fi fi msg=$(p11tool --list-tokens 2>&1 | \ grep "token=${NAME}" | tail -n1) if [ $? -ne 0 ]; then echo "Could not list existing tokens" echo "$msg" fi tokenuri=$(echo "$msg" | sed -n 's/.*URL: \([[:print:]*]\)/\1/p') if [ -z "${tokenuri}" ]; then echo "Could not get tokenuri!" return 4 fi # more recent versions of p11tool have --generate-privkey ... msg=$(GNUTLS_PIN=$PIN p11tool \ --generate-privkey=rsa --bits 2048 --label mykey --login \ "${tokenuri}" 2>&1) if [ $? -ne 0 ]; then # ... older versions have --generate-rsa msg=$(GNUTLS_PIN=$PIN p11tool \ --generate-rsa --bits 2048 --label mykey --login \ "${tokenuri}" 2>&1) if [ $? -ne 0 ]; then echo "Could not create RSA key!" echo "$msg" return 5 fi fi fi getkeyuri_softhsm $slot rc=$? if [ $rc -ne 0 ]; then teardown_softhsm fi return $rc } _getkeyuri_softhsm() { local msg tokenuri keyuri msg=$(p11tool --list-tokens 2>&1 | grep "token=${NAME}") if [ $? -ne 0 ]; then echo "Could not list existing tokens" echo "$msg" return 5 fi tokenuri=$(echo "$msg" | sed -n 's/.*URL: \([[:print:]*]\)/\1/p') if [ -z "$tokenuri" ]; then echo "Could not get token URL" echo "$msg" return 6 fi msg=$(p11tool --list-all ${tokenuri} 2>&1) if [ $? -ne 0 ]; then echo "Could not list object under token $tokenuri" echo "$msg" softhsm2-util --show-slots return 7 fi keyuri=$(echo "$msg" | sed -n 's/.*URL: \([[:print:]*]\)/\1/p') if [ -z "$keyuri" ]; then echo "Could not get key URL" echo "$msg" return 8 fi echo "$keyuri" return 0 } getkeyuri_softhsm() { local keyuri rc keyuri=$(_getkeyuri_softhsm) rc=$? if [ $rc -ne 0 ]; then return $rc fi echo "keyuri: $keyuri?pin-value=${PIN}" #&module-name=softhsm2" return 0 } getpubkey_softhsm() { local keyuri rc keyuri=$(_getkeyuri_softhsm) rc=$? if [ $rc -ne 0 ]; then return $rc fi GNUTLS_PIN=${PIN} p11tool --export-pubkey "${keyuri}" --login 2>/dev/null return $? } usage() { cat <<_EOF_ Usage: $0 [command] Supported commands are: setup : Setup the user's account for softhsm and create a token and key with a test configuration getkeyuri : Get the key's URI; may only be called after setup getpubkey : Get the public key in PEM format; may only be called after setup teardown : Remove the temporary softhsm test configuration _EOF_ } main() { local ret if [ $# -lt 1 ]; then usage $0 echo -e "Missing command.\n\n" return 1 fi case "$1" in setup) setup_softhsm ret=$? ;; getkeyuri) getkeyuri_softhsm ret=$? ;; getpubkey) getpubkey_softhsm ret=$? ;; teardown) teardown_softhsm ret=$? ;; *) echo -e "Unsupported command: $1\n\n" usage $0 ret=1 esac return $ret } main "$@" exit $? ima-evm-utils-1.4/tests/test_ascii_runtime_measurements000066400000000000000000000006161414054773100236270ustar00rootroot0000000000000010 cf41b43c4031672fcc2bd358b309ad33b977424f ima-ng sha256:f1b4c7c9b27e94569f4c2b64051c452bc609c3cb891dd7fae06b758f8bc83d14 boot_aggregate 10 983dcd8e6f7c84a1a5f10e762d1850623966ceab ima-ng sha256:ae06e032a65fed8102aff5f8f31c678dcf2eb25b826f77ecb699faa0411f89e0 /init 10 b6e4d01c73f6e4b698eaf48e7d76a2bae0c02514 ima-ng sha256:4b1764ee112aa8b2a6ae9a3a2f1e272b6601681f610708497673cd49e5bd2f5c /bin/sh ima-evm-utils-1.4/tests/test_binary_bios_measurements000066400000000000000000000553201414054773100232760ustar00rootroot00000000000000%Spec ID Event03 HyimxYXQ<: R_jW- }$Z{M{ !N24ET56W =A 1긴X ၟo7&D~[DGacw c,^{2"QWxƾ:N=zQ#XJ< |MAUMG.ں:, VOCu@S \!#]^J?Ҧ *lͤC?Ǫ[#X)fC6f[Qqq ;04vi"9_Ĝ ?3 ACPI DATAF9XTrL ֭&kjo-E-h^N 5 ACPI DATAM@AIMɐSC'} K(EںU+b}4vv1A@5aʓ + SecureBootp!$j_h* COD IwUmuY|>aʓ +PKY䔧J\+rN<"Ac900 kn0  *H  0j1 0 UJP10U Kanagawa10U Yokohama10U Lenovo Ltd.10U Lenovo Ltd. 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