sshpass-1.09/0000775000175000017500000000000014005033073010125 500000000000000sshpass-1.09/ChangeLog0000664000175000017500000000407714005032763011634 00000000000000Version 1.09 * Explicitly set the controlling TTY (SF patch #7) Version 1.08 * Report when IP key has changed (Closes Debian bug #730101) * Scrub the environment variable for -e (Closes Ubuntu bug #1649374) Version 1.07 * Pass signals that should terminate to ssh * Fix race around signal handling * Report IPC errors to stderr * Report if can't open -f password file (closes #3) Version 1.06 * Add -P for overriding the password prompt we search for * Add -v for verbose logging of the prompt detection prompt. * Allow packagers and compilers to change the default password prompt. * When giving -V, also print the default password prompt. Version 1.05 * OpenSSH version 5.6 closed our leaked slave PTY fd, breaking sshpass. This reverted the "better detection of child exit", unfortunately. * Update the manual page about changes. * Print usage information if no arguments given. Version 1.04 * Fix crash when "-e" is given but environment variable is not set - based on patch suggested by Samuel Rios Carvalho. * Fix 100% CPU usage during session. Reported by anonymous on the SourceForge bug tracking system. * Attempt to hide a password provided on the command line. It does expose the password length. Base on a patch by anonymous from the sourceforge bug tracking system. Version 1.03 * Sshpass will now exit if ssh is asking to confirm a host key * Sshpass now has verbose reporting of what error occured through the program's return codes. Version 1.02 * Various updates to the tests done by the configure script * Broader platform support (cygwin) Version 1.01 * Make sshpass pass along tty window resize events to the inner tty Version 1.00 * Make sure that authentication failures are terminated early. * Better detect when the child has exited. * Improve error reporting. Version 0.03 * Change the match string from "Password: " to "assword:", as some ssh usage uses a different prompt ("foo@bar's password:" instead of a clean "Password:"). * Add the "-V" option to display the version information Version 0.02 * Add the "-e" option. sshpass-1.09/missing0000755000175000017500000001533013617213774011464 00000000000000#! /bin/sh # Common wrapper for a few potentially missing GNU programs. scriptversion=2013-10-28.13; # UTC # Copyright (C) 1996-2014 Free Software Foundation, Inc. # Originally written by Fran,cois Pinard , 1996. # 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. 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This case will never be run, # since it is checked for above. exit 1 ;; none) exec "$@" ;; *) echo "Unknown depmode $depmode" 1>&2 exit 1 ;; esac exit 0 # Local Variables: # mode: shell-script # sh-indentation: 2 # eval: (add-hook 'write-file-hooks 'time-stamp) # time-stamp-start: "scriptversion=" # time-stamp-format: "%:y-%02m-%02d.%02H" # time-stamp-time-zone: "UTC0" # time-stamp-end: "; # UTC" # End: sshpass-1.09/compile0000755000175000017500000001624513617213774011451 00000000000000#! /bin/sh # Wrapper for compilers which do not understand '-c -o'. scriptversion=2012-10-14.11; # UTC # Copyright (C) 1999-2014 Free Software Foundation, Inc. # Written by Tom Tromey . # # 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. # # You should have received a copy of the GNU General Public License # along with this program. If not, see . # As a special exception to the GNU General Public License, if you # distribute this file as part of a program that contains a # configuration script generated by Autoconf, you may include it under # the same distribution terms that you use for the rest of that program. # This file is maintained in Automake, please report # bugs to or send patches to # . nl=' ' # We need space, tab and new line, in precisely that order. Quoting is # there to prevent tools from complaining about whitespace usage. IFS=" "" $nl" file_conv= # func_file_conv build_file lazy # Convert a $build file to $host form and store it in $file # Currently only supports Windows hosts. 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EOF exit $? ;; -v | --v*) echo "compile $scriptversion" exit $? ;; cl | *[/\\]cl | cl.exe | *[/\\]cl.exe ) func_cl_wrapper "$@" # Doesn't return... ;; esac ofile= cfile= for arg do if test -n "$eat"; then eat= else case $1 in -o) # configure might choose to run compile as 'compile cc -o foo foo.c'. # So we strip '-o arg' only if arg is an object. eat=1 case $2 in *.o | *.obj) ofile=$2 ;; *) set x "$@" -o "$2" shift ;; esac ;; *.c) cfile=$1 set x "$@" "$1" shift ;; *) set x "$@" "$1" shift ;; esac fi shift done if test -z "$ofile" || test -z "$cfile"; then # If no '-o' option was seen then we might have been invoked from a # pattern rule where we don't need one. That is ok -- this is a # normal compilation that the losing compiler can handle. If no # '.c' file was seen then we are probably linking. That is also # ok. exec "$@" fi # Name of file we expect compiler to create. cofile=`echo "$cfile" | sed 's|^.*[\\/]||; s|^[a-zA-Z]:||; s/\.c$/.o/'` # Create the lock directory. # Note: use '[/\\:.-]' here to ensure that we don't use the same name # that we are using for the .o file. Also, base the name on the expected # object file name, since that is what matters with a parallel build. lockdir=`echo "$cofile" | sed -e 's|[/\\:.-]|_|g'`.d while true; do if mkdir "$lockdir" >/dev/null 2>&1; then break fi sleep 1 done # FIXME: race condition here if user kills between mkdir and trap. trap "rmdir '$lockdir'; exit 1" 1 2 15 # Run the compile. "$@" ret=$? if test -f "$cofile"; then test "$cofile" = "$ofile" || mv "$cofile" "$ofile" elif test -f "${cofile}bj"; then test "${cofile}bj" = "$ofile" || mv "${cofile}bj" "$ofile" fi rmdir "$lockdir" exit $ret # Local Variables: # mode: shell-script # sh-indentation: 2 # eval: (add-hook 'write-file-hooks 'time-stamp) # time-stamp-start: "scriptversion=" # time-stamp-format: "%:y-%02m-%02d.%02H" # time-stamp-time-zone: "UTC" # time-stamp-end: "; # UTC" # End: sshpass-1.09/main.c0000664000175000017500000004244714005005127011147 00000000000000/* This file is part of "sshpass", a tool for batch running password ssh authentication * Copyright (C) 2006 Lingnu Open Source Consulting Ltd. * Copyright (C) 2015-2016, 2021 Shachar Shemesh * * 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, provided that it was accepted by * Lingnu Open Source Consulting Ltd. as an acceptable license for its * projects. Consult http://www.lingnu.com/licenses.html * * 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ #if HAVE_CONFIG_H #include "config.h" #endif #include #include #include #include #include #include #include #include #if HAVE_TERMIOS_H #include #endif #include #include #include #include enum program_return_codes { RETURN_NOERROR, RETURN_INVALID_ARGUMENTS, RETURN_CONFLICTING_ARGUMENTS, RETURN_RUNTIME_ERROR, RETURN_PARSE_ERRROR, RETURN_INCORRECT_PASSWORD, RETURN_HOST_KEY_UNKNOWN, RETURN_HOST_KEY_CHANGED, }; // Some systems don't define posix_openpt #ifndef HAVE_POSIX_OPENPT int posix_openpt(int flags) { return open("/dev/ptmx", flags); } #endif int runprogram( int argc, char *argv[] ); void reliable_write( int fd, const void *data, size_t size ); int handleoutput( int fd ); void window_resize_handler(int signum); void sigchld_handler(int signum); void term_handler(int signum); int match( const char *reference, const char *buffer, ssize_t bufsize, int state ); void write_pass( int fd ); struct { enum { PWT_STDIN, PWT_FILE, PWT_FD, PWT_PASS } pwtype; union { const char *filename; int fd; const char *password; } pwsrc; const char *pwprompt; int verbose; char *orig_password; } args; static void show_help() { printf("Usage: " PACKAGE_NAME " [-f|-d|-p|-e] [-hV] command parameters\n" " -f filename Take password to use from file\n" " -d number Use number as file descriptor for getting password\n" " -p password Provide password as argument (security unwise)\n" " -e Password is passed as env-var \"SSHPASS\"\n" " With no parameters - password will be taken from stdin\n\n" " -P prompt Which string should sshpass search for to detect a password prompt\n" " -v Be verbose about what you're doing\n" " -h Show help (this screen)\n" " -V Print version information\n" "At most one of -f, -d, -p or -e should be used\n"); } // Parse the command line. Fill in the "args" global struct with the results. Return argv offset // on success, and a negative number on failure static int parse_options( int argc, char *argv[] ) { int error=-1; int opt; // Set the default password source to stdin args.pwtype=PWT_STDIN; args.pwsrc.fd=0; #define VIRGIN_PWTYPE if( args.pwtype!=PWT_STDIN ) { \ fprintf(stderr, "Conflicting password source\n"); \ error=RETURN_CONFLICTING_ARGUMENTS; } while( (opt=getopt(argc, argv, "+f:d:p:P:heVv"))!=-1 && error==-1 ) { switch( opt ) { case 'f': // Password should come from a file VIRGIN_PWTYPE; args.pwtype=PWT_FILE; args.pwsrc.filename=optarg; break; case 'd': // Password should come from an open file descriptor VIRGIN_PWTYPE; args.pwtype=PWT_FD; args.pwsrc.fd=atoi(optarg); break; case 'p': // Password is given on the command line VIRGIN_PWTYPE; args.pwtype=PWT_PASS; args.orig_password=optarg; break; case 'P': args.pwprompt=optarg; break; case 'v': args.verbose++; break; case 'e': VIRGIN_PWTYPE; args.pwtype=PWT_PASS; args.orig_password=getenv("SSHPASS"); if( args.orig_password==NULL ) { fprintf(stderr, "SSHPASS: -e option given but SSHPASS environment variable not set\n"); error=RETURN_INVALID_ARGUMENTS; } break; case '?': case ':': error=RETURN_INVALID_ARGUMENTS; break; case 'h': error=RETURN_NOERROR; break; case 'V': printf("%s\n" "(C) 2006-2011 Lingnu Open Source Consulting Ltd.\n" "(C) 2015-2016, 2021 Shachar Shemesh\n" "This program is free software, and can be distributed under the terms of the GPL\n" "See the COPYING file for more information.\n" "\n" "Using \"%s\" as the default password prompt indicator.\n", PACKAGE_STRING, PASSWORD_PROMPT ); exit(0); break; } } if( error>=0 ) return -(error+1); else return optind; } int main( int argc, char *argv[] ) { int opt_offset=parse_options( argc, argv ); if( opt_offset<0 ) { // There was some error show_help(); return -(opt_offset+1); // -1 becomes 0, -2 becomes 1 etc. } if( argc-opt_offset<1 ) { show_help(); return 0; } if( args.orig_password!=NULL ) { args.pwsrc.password = strdup(args.orig_password); // Hide the original password from prying eyes while( *args.orig_password != '\0' ) { *args.orig_password = 'x'; ++args.orig_password; } } return runprogram( argc-opt_offset, argv+opt_offset ); } /* Global variables so that this information be shared with the signal handler */ static int ourtty; // Our own tty static int masterpt; int childpid; int term; int runprogram( int argc, char *argv[] ) { struct winsize ttysize; // The size of our tty // We need to interrupt a select with a SIGCHLD. In order to do so, we need a SIGCHLD handler signal( SIGCHLD, sigchld_handler ); // Create a pseudo terminal for our process masterpt=posix_openpt(O_RDWR); if( masterpt==-1 ) { perror("Failed to get a pseudo terminal"); return RETURN_RUNTIME_ERROR; } fcntl(masterpt, F_SETFL, O_NONBLOCK); if( grantpt( masterpt )!=0 ) { perror("Failed to change pseudo terminal's permission"); return RETURN_RUNTIME_ERROR; } if( unlockpt( masterpt )!=0 ) { perror("Failed to unlock pseudo terminal"); return RETURN_RUNTIME_ERROR; } ourtty=open("/dev/tty", 0); if( ourtty!=-1 && ioctl( ourtty, TIOCGWINSZ, &ttysize )==0 ) { signal(SIGWINCH, window_resize_handler); ioctl( masterpt, TIOCSWINSZ, &ttysize ); } const char *name=ptsname(masterpt); int slavept; /* Comment no. 3.14159 This comment documents the history of code. We need to open the slavept inside the child process, after "setsid", so that it becomes the controlling TTY for the process. We do not, otherwise, need the file descriptor open. The original approach was to close the fd immediately after, as it is no longer needed. It turns out that (at least) the Linux kernel considers a master ptty fd that has no open slave fds to be unused, and causes "select" to return with "error on fd". The subsequent read would fail, causing us to go into an infinite loop. This is a bug in the kernel, as the fact that a master ptty fd has no slaves is not a permenant problem. As long as processes exist that have the slave end as their controlling TTYs, new slave fds can be created by opening /dev/tty, which is exactly what ssh is, in fact, doing. Our attempt at solving this problem, then, was to have the child process not close its end of the slave ptty fd. We do, essentially, leak this fd, but this was a small price to pay. This worked great up until openssh version 5.6. Openssh version 5.6 looks at all of its open file descriptors, and closes any that it does not know what they are for. While entirely within its prerogative, this breaks our fix, causing sshpass to either hang, or do the infinite loop again. Our solution is to keep the slave end open in both parent AND child, at least until the handshake is complete, at which point we no longer need to monitor the TTY anyways. */ sigset_t sigmask, sigmask_select; // Set the signal mask during the select sigemptyset(&sigmask_select); // And during the regular run sigemptyset(&sigmask); sigaddset(&sigmask, SIGCHLD); sigaddset(&sigmask, SIGHUP); sigaddset(&sigmask, SIGTERM); sigaddset(&sigmask, SIGINT); sigaddset(&sigmask, SIGTSTP); sigprocmask( SIG_SETMASK, &sigmask, NULL ); signal(SIGHUP, term_handler); signal(SIGTERM, term_handler); signal(SIGINT, term_handler); signal(SIGTSTP, term_handler); childpid=fork(); if( childpid==0 ) { // Child // Re-enable all signals to child sigprocmask( SIG_SETMASK, &sigmask_select, NULL ); // Detach us from the current TTY setsid(); // This line makes the ptty our controlling tty. We do not otherwise need it open slavept=open(name, O_RDWR ); #ifdef TIOCSCTTY // On some systems, an open(2) is insufficient to set the // controlling tty (see the documentation for TIOCSCTTY in // tty(4)). if (ioctl(slavept, TIOCSCTTY) == -1) { perror("sshpass: Failed to set controlling terminal in child (TIOCSCTTY)"); exit(RETURN_RUNTIME_ERROR); } #endif close( slavept ); close( masterpt ); char **new_argv=malloc(sizeof(char *)*(argc+1)); int i; for( i=0; i0 ) { if( FD_ISSET( masterpt, &readfd ) ) { int ret; if( (ret=handleoutput( masterpt )) ) { // Authentication failed or any other error // handleoutput returns positive error number in case of some error, and a negative value // if all that happened is that the slave end of the pt is closed. if( ret>0 ) { close( masterpt ); // Signal ssh that it's controlling TTY is now closed close(slavept); } terminate=ret; if( terminate ) { close( slavept ); } } } } wait_id=waitpid( childpid, &status, WNOHANG ); } else { wait_id=waitpid( childpid, &status, 0 ); } } while( wait_id==0 || (!WIFEXITED( status ) && !WIFSIGNALED( status )) ); if( terminate>0 ) return terminate; else if( WIFEXITED( status ) ) return WEXITSTATUS(status); else return 255; } int handleoutput( int fd ) { // We are looking for the string static int prevmatch=0; // If the "password" prompt is repeated, we have the wrong password. static int state1, state2, state3; static int firsttime = 1; static const char *compare1=PASSWORD_PROMPT; // Asking for a password static const char compare2[]="The authenticity of host "; // Asks to authenticate host static const char compare3[] = "differs from the key for the IP address"; // Key changes // static const char compare3[]="WARNING: REMOTE HOST IDENTIFICATION HAS CHANGED!"; // Warns about man in the middle attack // The remote identification changed error is sent to stderr, not the tty, so we do not handle it. // This is not a problem, as ssh exists immediately in such a case char buffer[256]; int ret=0; if( args.pwprompt ) { compare1 = args.pwprompt; } if( args.verbose && firsttime ) { firsttime=0; fprintf(stderr, "SSHPASS: searching for password prompt using match \"%s\"\n", compare1); } int numread=read(fd, buffer, sizeof(buffer)-1 ); buffer[numread] = '\0'; if( args.verbose ) { fprintf(stderr, "SSHPASS: read: %s\n", buffer); } state1=match( compare1, buffer, numread, state1 ); // Are we at a password prompt? if( compare1[state1]=='\0' ) { if( !prevmatch ) { if( args.verbose ) fprintf(stderr, "SSHPASS: detected prompt. Sending password.\n"); write_pass( fd ); state1=0; prevmatch=1; } else { // Wrong password - terminate with proper error code if( args.verbose ) fprintf(stderr, "SSHPASS: detected prompt, again. Wrong password. Terminating.\n"); ret=RETURN_INCORRECT_PASSWORD; } } if( ret==0 ) { state2=match( compare2, buffer, numread, state2 ); // Are we being prompted to authenticate the host? if( compare2[state2]=='\0' ) { if( args.verbose ) fprintf(stderr, "SSHPASS: detected host authentication prompt. Exiting.\n"); ret=RETURN_HOST_KEY_UNKNOWN; } else { state3 = match( compare3, buffer, numread, state3 ); // Host key changed if ( compare3[state3]=='\0' ) { ret=RETURN_HOST_KEY_CHANGED; } } } return ret; } int match( const char *reference, const char *buffer, ssize_t bufsize, int state ) { // This is a highly simplisic implementation. It's good enough for matching "Password: ", though. int i; for( i=0;reference[state]!='\0' && i0 ) { kill( childpid, signum ); } } term = 1; } void reliable_write( int fd, const void *data, size_t size ) { ssize_t result = write( fd, data, size ); if( result!=size ) { if( result<0 ) { perror("SSHPASS: write failed"); } else { fprintf(stderr, "SSHPASS: Short write. Tried to write %lu, only wrote %ld\n", size, result); } } } sshpass-1.09/INSTALL0000644000175000017500000003661413617213774011126 00000000000000Installation Instructions ************************* Copyright (C) 1994-1996, 1999-2002, 2004-2016 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. 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Run 'configure --help' for more details. sshpass-1.09/aclocal.m40000664000175000017500000012422414005032773011720 00000000000000# generated automatically by aclocal 1.15.1 -*- Autoconf -*- # Copyright (C) 1996-2017 Free Software Foundation, Inc. # This file is free software; the Free Software Foundation # gives unlimited permission to copy and/or distribute it, # with or without modifications, as long as this notice is preserved. # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY, to the extent permitted by law; without # even the implied warranty of MERCHANTABILITY or FITNESS FOR A # PARTICULAR PURPOSE. m4_ifndef([AC_CONFIG_MACRO_DIRS], [m4_defun([_AM_CONFIG_MACRO_DIRS], [])m4_defun([AC_CONFIG_MACRO_DIRS], [_AM_CONFIG_MACRO_DIRS($@)])]) m4_ifndef([AC_AUTOCONF_VERSION], [m4_copy([m4_PACKAGE_VERSION], [AC_AUTOCONF_VERSION])])dnl m4_if(m4_defn([AC_AUTOCONF_VERSION]), [2.69],, [m4_warning([this file was generated for autoconf 2.69. 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AC_PREREQ(2.57) AC_INIT([sshpass], [1.09]) AM_INIT_AUTOMAKE AC_COPYRIGHT([Copyright (C) 2006,2008,2011,2016,2021 Shachar Shemesh]) AC_CONFIG_SRCDIR([main.c]) AC_USE_SYSTEM_EXTENSIONS # Checks for programs. AC_PROG_CC # Checks for libraries. # Checks for header files. AC_HEADER_STDC AC_HEADER_SYS_WAIT AC_CHECK_HEADERS([fcntl.h stdlib.h string.h sys/ioctl.h unistd.h termios.h]) # Checks for typedefs, structures, and compiler characteristics. AC_C_CONST AC_TYPE_PID_T AC_TYPE_SSIZE_T # Checks for library functions. AC_FUNC_FORK AC_PROG_GCC_TRADITIONAL AC_FUNC_MALLOC AC_FUNC_SELECT_ARGTYPES AC_TYPE_SIGNAL AC_CHECK_FUNCS([select posix_openpt strdup]) AC_ARG_ENABLE([password-prompt], [AS_HELP_STRING([--enable-password-prompt=prompt], [Provide alternative ssh password prompt to look for.])], [AC_DEFINE_UNQUOTED([PASSWORD_PROMPT], ["$enable_password_prompt"], [Password prompt to use])], [AC_DEFINE([PASSWORD_PROMPT], ["assword"])]) AC_CONFIG_FILES([Makefile]) AM_CONFIG_HEADER(config.h) AC_OUTPUT sshpass-1.09/AUTHORS0000664000175000017500000000127413617213440011127 00000000000000sshpass was written by Shachar Shemesh for Lingnu Open Source Consulting Ltd. It is distributed under the terms and conditions of the GNU General Public License version 2. Upgrade to later versions of the GPL can be done under the normal terms of the GPL *only if said version of the GPL was approved by Lingnu Open Source Consulting Ltd. as a valid license for its projects*. We are sorry that we have to impose this extra burecratic step, but it seems that the GPL v. 3 is still some way off, and it is likely that we would not like our code used under the resulting license. Rather than prohibit license upgrades altogether, we decided to allow it in principle, pending explicit approval by us. sshpass-1.09/COPYING0000664000175000017500000004311013617213440011105 00000000000000 GNU GENERAL PUBLIC LICENSE Version 2, June 1991 Copyright (C) 1989, 1991 Free Software Foundation, Inc. 59 Temple Place, Suite 330, Boston, MA 02111-1307 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 Library 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. To protect your rights, we need to make restrictions that forbid anyone to deny you these rights or to ask you to surrender the rights. These restrictions translate to certain responsibilities for you if you distribute copies of the software, or if you modify it. For example, if you distribute copies of such a program, whether gratis or for a fee, you must give the recipients all the rights that you have. You must make sure that they, too, receive or can get the source code. And you must show them these terms so they know their rights. We protect your rights with two steps: (1) copyright the software, and (2) offer you this license which gives you legal permission to copy, distribute and/or modify the software. Also, for each author's protection and ours, we want to make certain that everyone understands that there is no warranty for this free software. If the software is modified by someone else and passed on, we want its recipients to know that what they have is not the original, so that any problems introduced by others will not reflect on the original authors' reputations. Finally, any free program is threatened constantly by software patents. We wish to avoid the danger that redistributors of a free program will individually obtain patent licenses, in effect making the program proprietary. To prevent this, we have made it clear that any patent must be licensed for everyone's free use or not licensed at all. The precise terms and conditions for copying, distribution and modification follow. GNU GENERAL PUBLIC LICENSE TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION 0. This License applies to any program or other work which contains a notice placed by the copyright holder saying it may be distributed under the terms of this General Public License. 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. You may copy and distribute verbatim copies of the Program's source code as you receive it, in any medium, provided that you conspicuously and appropriately publish on each copy an appropriate copyright notice and disclaimer of warranty; keep intact all the notices that refer to this License and to the absence of any warranty; and give any other recipients of the Program a copy of this License along with the Program. You may charge a fee for the physical act of transferring a copy, and you may at your option offer warranty protection in exchange for a fee. 2. You may modify your copy or copies of the Program or any portion of it, thus forming a work based on the Program, and copy and distribute such modifications or work under the terms of Section 1 above, provided that you also meet all of these conditions: a) You must cause the modified files to carry prominent notices stating that you changed the files and the date of any change. b) You must cause any work that you distribute or publish, that in whole or in part contains or is derived from the Program or any part thereof, to be licensed as a whole at no charge to all third parties under the terms of this License. c) If the modified program normally reads commands interactively when run, you must cause it, when started running for such interactive use in the most ordinary way, to print or display an announcement including an appropriate copyright notice and a notice that there is no warranty (or else, saying that you provide a warranty) and that users may redistribute the program under these conditions, and telling the user how to view a copy of this License. (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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These actions are prohibited by law if you do not accept this License. Therefore, by modifying or distributing the Program (or any work based on the Program), you indicate your acceptance of this License to do so, and all its terms and conditions for copying, distributing or modifying the Program or works based on it. 6. Each time you redistribute the Program (or any work based on the Program), the recipient automatically receives a license from the original licensor to copy, distribute or modify the Program subject to these terms and conditions. You may not impose any further restrictions on the recipients' exercise of the rights granted herein. You are not responsible for enforcing compliance by third parties to this License. 7. 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If the distribution and/or use of the Program is restricted in certain countries either by patents or by copyrighted interfaces, the original copyright holder who places the Program under this License may add an explicit geographical distribution limitation excluding those countries, so that distribution is permitted only in or among countries not thus excluded. In such case, this License incorporates the limitation as if written in the body of this License. 9. The Free Software Foundation may publish revised and/or new versions of the General Public License from time to time. Such new versions will be similar in spirit to the present version, but may differ in detail to address new problems or concerns. Each version is given a distinguishing version number. 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 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 Library General Public License instead of this License. sshpass-1.09/sshpass.10000664000175000017500000001253314005001721011612 00000000000000.TH SSHPASS 1 "January 29, 2021" "Lingnu Open Source Consulting" "Sshpass User Manual" .\" Please adjust this date whenever revising the manpage. .SH NAME sshpass \- noninteractive ssh password provider .SH SYNOPSIS .B sshpass .RB [ -f\fIfilename | -d\fInum | -p\fIpassword | -e ] .RI [ options ] " command arguments" .br .SH DESCRIPTION This manual page documents the \fBsshpass\fP command. .PP \fBsshpass\fP is a utility designed for running \fBssh\fP using the mode referred to as "keyboard-interactive" password authentication, but in non-interactive mode. .PP ssh uses direct TTY access to make sure that the password is indeed issued by an interactive keyboard user. Sshpass runs ssh in a dedicated tty, fooling it into thinking it is getting the password from an interactive user. .PP The command to run is specified after sshpass' own options. Typically it will be "ssh" with arguments, but it can just as well be any other command. The password prompt used by ssh is, however, currently hardcoded into sshpass. .SH Options If no option is given, sshpass reads the password from the standard input. The user may give at most one alternative source for the password: .TP .B \-p\fIpassword\fP The password is given on the command line. Please note the section titled "\fBSECURITY CONSIDERATIONS\fP". .TP .B \-f\fIfilename\fP The password is the first line of the file \fIfilename\fP. .TP .B \-d\fInumber\fP \fInumber\fP is a file descriptor inherited by sshpass from the runner. The password is read from the open file descriptor. .TP .B \-e The password is taken from the environment variable "SSHPASS". .TP .B \-P Set the password prompt. Sshpass searched for this prompt in the program's output to the TTY as an indication when to send the password. By default sshpass looks for the string "assword:" (which matches both "Password:" and "password:"). If your client's prompt does not fall under either of these, you can override the default with this option. .TP .B \-v Be verbose. sshpass will output to stderr information that should help debug cases where the connection hangs, seemingly for no good reason. .SH SECURITY CONSIDERATIONS .P First and foremost, users of sshpass should realize that ssh's insistance on only getting the password interactively is not without reason. It is close to impossible to securely store the password, and users of sshpass should consider whether ssh's public key authentication provides the same end-user experience, while involving less hassle and being more secure. .P The \-p option should be considered the least secure of all of sshpass's options. All system users can see the password in the command line with a simple "ps" command. Sshpass makes a minimal attempt to hide the password, but such attempts are doomed to create race conditions without actually solving the problem. Users of sshpass are encouraged to use one of the other password passing techniques, which are all more secure. .P In particular, people writing programs that are meant to communicate the password programmatically are encouraged to use an anonymous pipe and pass the pipe's reading end to sshpass using the \-d option. .SH RETURN VALUES As with any other program, sshpass returns 0 on success. In case of failure, the following return codes are used: .TP 1 Invalid command line argument .TP 2 Conflicting arguments given .TP 3 General runtime error .TP 4 Unrecognized response from ssh (parse error) .TP 5 Invalid/incorrect password .TP 6 Host public key is unknown. sshpass exits without confirming the new key. .TP 7 IP public key changed. sshpass exits without confirming the new key. .P In addition, ssh might be complaining about a man in the middle attack. This complaint does not go to the tty. In other words, even with sshpass, the error message from ssh is printed to standard error. In such a case ssh's return code is reported back. This is typically an unimaginative (and non-informative) "255" for all error cases. .SH EXAMPLES .P Run rsync over SSH using password authentication, passing the password on the command line: .PP rsync \-\-rsh='sshpass \-p 12345 ssh \-l test' host.example.com:path . .P To do the same from a bourne shell script in a marginally less exposed way: .PP SSHPASS=12345 rsync \-\-rsh='sshpass \-e ssh \-l test' host.example.com:path . .SH BUGS .P Sshpass is in its infancy at the moment. As such, bugs are highly possible. In particular, if the password is read from stdin (no password option at all), it is possible that some of the input aimed to be passed to ssh will be read by sshpass and lost. .P Sshpass utilizes the \fBpty\fR(7) interface to control the TTY for ssh. This interface, at least on Linux, has a misfeature where if no slave file descriptors are open, the master pty returns \fBEIO\fR. This is the normal behavior, except a slave pty may be born at any point by a program opening \fB/dev/tty\fR. This makes it impossible to reliably wait for events without consuming 100% of the CPU. .P Over the various versions different approaches were attempted at solving this problem. Any given version of sshpass is released with the belief that it is working, but experience has shown that these things do, occasionally, break. This happened with OpenSSH version 5.6. As of this writing, it is believed that sshpass is, again, working properly. .P It seems that HPUX has some non Posix compliant ideas how controlling TTY is detached. sshpass may not work properly on that platform. sshpass-1.09/config.h.in0000664000175000017500000001010014005032775012070 00000000000000/* config.h.in. Generated from configure.ac by autoheader. */ /* Define to 1 if you have the header file. */ #undef HAVE_FCNTL_H /* Define to 1 if you have the `fork' function. */ #undef HAVE_FORK /* Define to 1 if you have the header file. */ #undef HAVE_INTTYPES_H /* Define to 1 if your system has a GNU libc compatible `malloc' function, and to 0 otherwise. */ #undef HAVE_MALLOC /* Define to 1 if you have the header file. */ #undef HAVE_MEMORY_H /* Define to 1 if you have the `posix_openpt' function. */ #undef HAVE_POSIX_OPENPT /* Define to 1 if you have the `select' function. */ #undef HAVE_SELECT /* Define to 1 if you have the header file. */ #undef HAVE_STDINT_H /* Define to 1 if you have the header file. */ #undef HAVE_STDLIB_H /* Define to 1 if you have the `strdup' function. */ #undef HAVE_STRDUP /* Define to 1 if you have the header file. */ #undef HAVE_STRINGS_H /* Define to 1 if you have the header file. */ #undef HAVE_STRING_H /* Define to 1 if you have the header file. */ #undef HAVE_SYS_IOCTL_H /* Define to 1 if you have the header file. */ #undef HAVE_SYS_SELECT_H /* Define to 1 if you have the header file. */ #undef HAVE_SYS_SOCKET_H /* Define to 1 if you have the header file. */ #undef HAVE_SYS_STAT_H /* Define to 1 if you have the header file. */ #undef HAVE_SYS_TYPES_H /* Define to 1 if you have that is POSIX.1 compatible. */ #undef HAVE_SYS_WAIT_H /* Define to 1 if you have the header file. */ #undef HAVE_TERMIOS_H /* Define to 1 if you have the header file. */ #undef HAVE_UNISTD_H /* Define to 1 if you have the `vfork' function. */ #undef HAVE_VFORK /* Define to 1 if you have the header file. */ #undef HAVE_VFORK_H /* Define to 1 if `fork' works. */ #undef HAVE_WORKING_FORK /* Define to 1 if `vfork' works. */ #undef HAVE_WORKING_VFORK /* Name of package */ #undef PACKAGE /* Define to the address where bug reports for this package should be sent. */ #undef PACKAGE_BUGREPORT /* Define to the full name of this package. */ #undef PACKAGE_NAME /* Define to the full name and version of this package. */ #undef PACKAGE_STRING /* Define to the one symbol short name of this package. */ #undef PACKAGE_TARNAME /* Define to the home page for this package. */ #undef PACKAGE_URL /* Define to the version of this package. */ #undef PACKAGE_VERSION /* Password prompt to use */ #undef PASSWORD_PROMPT /* Define as the return type of signal handlers (`int' or `void'). */ #undef RETSIGTYPE /* Define to the type of arg 1 for `select'. */ #undef SELECT_TYPE_ARG1 /* Define to the type of args 2, 3 and 4 for `select'. */ #undef SELECT_TYPE_ARG234 /* Define to the type of arg 5 for `select'. */ #undef SELECT_TYPE_ARG5 /* Define to 1 if you have the ANSI C header files. */ #undef STDC_HEADERS /* Enable extensions on AIX 3, Interix. */ #ifndef _ALL_SOURCE # undef _ALL_SOURCE #endif /* Enable GNU extensions on systems that have them. */ #ifndef _GNU_SOURCE # undef _GNU_SOURCE #endif /* Enable threading extensions on Solaris. */ #ifndef _POSIX_PTHREAD_SEMANTICS # undef _POSIX_PTHREAD_SEMANTICS #endif /* Enable extensions on HP NonStop. */ #ifndef _TANDEM_SOURCE # undef _TANDEM_SOURCE #endif /* Enable general extensions on Solaris. */ #ifndef __EXTENSIONS__ # undef __EXTENSIONS__ #endif /* Version number of package */ #undef VERSION /* Define to 1 if on MINIX. */ #undef _MINIX /* Define to 2 if the system does not provide POSIX.1 features except with this defined. */ #undef _POSIX_1_SOURCE /* Define to 1 if you need to in order for `stat' and other things to work. */ #undef _POSIX_SOURCE /* Define to empty if `const' does not conform to ANSI C. */ #undef const /* Define to rpl_malloc if the replacement function should be used. */ #undef malloc /* Define to `int' if does not define. */ #undef pid_t /* Define to `int' if does not define. */ #undef ssize_t /* Define as `fork' if `vfork' does not work. */ #undef vfork sshpass-1.09/Makefile.am0000664000175000017500000000022113617213440012102 00000000000000bin_PROGRAMS=sshpass man_MANS = sshpass.1 EXTRA_DIST = $(man_MANS) VERSION = @PACKAGE_VERSION@ PACKAGE = @PACKAGE_NAME@ sshpass_SOURCES=main.c sshpass-1.09/install-sh0000755000175000017500000003546313617213774012102 00000000000000#!/bin/sh # install - install a program, script, or datafile scriptversion=2014-09-12.12; # UTC # This originates from X11R5 (mit/util/scripts/install.sh), which was # later released in X11R6 (xc/config/util/install.sh) with the # following copyright and license. # # Copyright (C) 1994 X Consortium # # Permission is hereby granted, free of charge, to any person obtaining a copy # of this software and associated documentation files (the "Software"), to # deal in the Software without restriction, including without limitation the # rights to use, copy, modify, merge, publish, distribute, sublicense, and/or # sell copies of the Software, and to permit persons to whom the Software is # furnished to do so, subject to the following conditions: # # The above copyright notice and this permission notice shall be included in # all copies or substantial portions of the Software. # # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, # FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE # X CONSORTIUM BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN # AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNEC- # TION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. # # Except as contained in this notice, the name of the X Consortium shall not # be used in advertising or otherwise to promote the sale, use or other deal- # ings in this Software without prior written authorization from the X Consor- # tium. # # # FSF changes to this file are in the public domain. # # Calling this script install-sh is preferred over install.sh, to prevent # 'make' implicit rules from creating a file called install from it # when there is no Makefile. # # This script is compatible with the BSD install script, but was written # from scratch. tab=' ' nl=' ' IFS=" $tab$nl" # Set DOITPROG to "echo" to test this script. doit=${DOITPROG-} doit_exec=${doit:-exec} # Put in absolute file names if you don't have them in your path; # or use environment vars. chgrpprog=${CHGRPPROG-chgrp} chmodprog=${CHMODPROG-chmod} chownprog=${CHOWNPROG-chown} cmpprog=${CMPPROG-cmp} cpprog=${CPPROG-cp} mkdirprog=${MKDIRPROG-mkdir} mvprog=${MVPROG-mv} rmprog=${RMPROG-rm} stripprog=${STRIPPROG-strip} posix_mkdir= # Desired mode of installed file. mode=0755 chgrpcmd= chmodcmd=$chmodprog chowncmd= mvcmd=$mvprog rmcmd="$rmprog -f" stripcmd= src= dst= dir_arg= dst_arg= copy_on_change=false is_target_a_directory=possibly usage="\ Usage: $0 [OPTION]... [-T] SRCFILE DSTFILE or: $0 [OPTION]... SRCFILES... DIRECTORY or: $0 [OPTION]... -t DIRECTORY SRCFILES... or: $0 [OPTION]... -d DIRECTORIES... In the 1st form, copy SRCFILE to DSTFILE. In the 2nd and 3rd, copy all SRCFILES to DIRECTORY. In the 4th, create DIRECTORIES. Options: --help display this help and exit. --version display version info and exit. -c (ignored) -C install only if different (preserve the last data modification time) -d create directories instead of installing files. -g GROUP $chgrpprog installed files to GROUP. -m MODE $chmodprog installed files to MODE. -o USER $chownprog installed files to USER. -s $stripprog installed files. -t DIRECTORY install into DIRECTORY. -T report an error if DSTFILE is a directory. Environment variables override the default commands: CHGRPPROG CHMODPROG CHOWNPROG CMPPROG CPPROG MKDIRPROG MVPROG RMPROG STRIPPROG " while test $# -ne 0; do case $1 in -c) ;; -C) copy_on_change=true;; -d) dir_arg=true;; -g) chgrpcmd="$chgrpprog $2" shift;; --help) echo "$usage"; exit $?;; -m) mode=$2 case $mode in *' '* | *"$tab"* | *"$nl"* | *'*'* | *'?'* | *'['*) echo "$0: invalid mode: $mode" >&2 exit 1;; esac shift;; -o) chowncmd="$chownprog $2" shift;; -s) stripcmd=$stripprog;; -t) is_target_a_directory=always dst_arg=$2 # Protect names problematic for 'test' and other utilities. case $dst_arg in -* | [=\(\)!]) dst_arg=./$dst_arg;; esac shift;; -T) is_target_a_directory=never;; --version) echo "$0 $scriptversion"; exit $?;; --) shift break;; -*) echo "$0: invalid option: $1" >&2 exit 1;; *) break;; esac shift done # We allow the use of options -d and -T together, by making -d # take the precedence; this is for compatibility with GNU install. if test -n "$dir_arg"; then if test -n "$dst_arg"; then echo "$0: target directory not allowed when installing a directory." >&2 exit 1 fi fi if test $# -ne 0 && test -z "$dir_arg$dst_arg"; then # When -d is used, all remaining arguments are directories to create. # When -t is used, the destination is already specified. # Otherwise, the last argument is the destination. 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