pax_global_header00006660000000000000000000000064134337633360014525gustar00rootroot0000000000000052 comment=6a3e2ff9e7c564f36873c2e36413f634534f1c44 ssh-agent-0.2.1/000077500000000000000000000000001343376333600134165ustar00rootroot00000000000000ssh-agent-0.2.1/.gitignore000066400000000000000000000004121343376333600154030ustar00rootroot00000000000000# Compiled Object files, Static and Dynamic libs (Shared Objects) *.o *.a *.so # Folders _obj _test # Architecture specific extensions/prefixes *.[568vq] [568vq].out *.cgo1.go *.cgo2.c _cgo_defun.c _cgo_gotypes.go _cgo_export.* _testmain.go *.exe *.test *.prof ssh-agent-0.2.1/LICENSE000066400000000000000000000261361343376333600144330ustar00rootroot00000000000000 Apache License Version 2.0, January 2004 http://www.apache.org/licenses/ TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION 1. Definitions. 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See the License for the specific language governing permissions and limitations under the License. ssh-agent-0.2.1/README.md000066400000000000000000000020501343376333600146720ustar00rootroot00000000000000# ssh-agent Create a new [agent.Agent](https://godoc.org/golang.org/x/crypto/ssh/agent#Agent) on any type of OS (so including Windows) from any [Go](https://golang.org) application. ## Limitations When compiled for Windows, it will only support [Pageant](http://the.earth.li/~sgtatham/putty/0.66/htmldoc/Chapter9.html#pageant) as the SSH authentication agent. ## Credits Big thanks to [Давид Мзареулян (David Mzareulyan)](https://github.com/davidmz) for creating the [go-pageant](https://github.com/davidmz/go-pageant) package! ## Issues If you have an issue: report it on the [issue tracker](https://github.com/xanzy/ssh-agent/issues) ## Author Sander van Harmelen () ## License The files `pageant_windows.go` and `sshagent_windows.go` have their own license (see file headers). The rest of this package is licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at ssh-agent-0.2.1/go.mod000066400000000000000000000002501343376333600145210ustar00rootroot00000000000000module github.com/xanzy/ssh-agent require ( golang.org/x/crypto v0.0.0-20190219172222-a4c6cb3142f2 golang.org/x/sys v0.0.0-20190221075227-b4e8571b14e0 // indirect ) ssh-agent-0.2.1/go.sum000066400000000000000000000006441343376333600145550ustar00rootroot00000000000000golang.org/x/crypto v0.0.0-20190219172222-a4c6cb3142f2 h1:NwxKRvbkH5MsNkvOtPZi3/3kmI8CAzs3mtv+GLQMkNo= golang.org/x/crypto v0.0.0-20190219172222-a4c6cb3142f2/go.mod h1:6SG95UA2DQfeDnfUPMdvaQW0Q7yPrPDi9nlGo2tz2b4= golang.org/x/sys v0.0.0-20190221075227-b4e8571b14e0 h1:bzeyCHgoAyjZjAhvTpks+qM7sdlh4cCSitmXeCEO3B4= golang.org/x/sys v0.0.0-20190221075227-b4e8571b14e0/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY= ssh-agent-0.2.1/pageant_windows.go000066400000000000000000000102341343376333600171360ustar00rootroot00000000000000// // Copyright (c) 2014 David Mzareulyan // // 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 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, // DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. // // +build windows package sshagent // see https://github.com/Yasushi/putty/blob/master/windows/winpgntc.c#L155 // see https://github.com/paramiko/paramiko/blob/master/paramiko/win_pageant.py import ( "encoding/binary" "errors" "fmt" "sync" "syscall" "unsafe" ) // Maximum size of message can be sent to pageant const MaxMessageLen = 8192 var ( ErrPageantNotFound = errors.New("pageant process not found") ErrSendMessage = errors.New("error sending message") ErrMessageTooLong = errors.New("message too long") ErrInvalidMessageFormat = errors.New("invalid message format") ErrResponseTooLong = errors.New("response too long") ) const ( agentCopydataID = 0x804e50ba wmCopydata = 74 ) type copyData struct { dwData uintptr cbData uint32 lpData unsafe.Pointer } var ( lock sync.Mutex winFindWindow = winAPI("user32.dll", "FindWindowW") winGetCurrentThreadID = winAPI("kernel32.dll", "GetCurrentThreadId") winSendMessage = winAPI("user32.dll", "SendMessageW") ) func winAPI(dllName, funcName string) func(...uintptr) (uintptr, uintptr, error) { proc := syscall.MustLoadDLL(dllName).MustFindProc(funcName) return func(a ...uintptr) (uintptr, uintptr, error) { return proc.Call(a...) } } // Available returns true if Pageant is running func Available() bool { return pageantWindow() != 0 } // Query sends message msg to Pageant and returns response or error. // 'msg' is raw agent request with length prefix // Response is raw agent response with length prefix func query(msg []byte) ([]byte, error) { if len(msg) > MaxMessageLen { return nil, ErrMessageTooLong } msgLen := binary.BigEndian.Uint32(msg[:4]) if len(msg) != int(msgLen)+4 { return nil, ErrInvalidMessageFormat } lock.Lock() defer lock.Unlock() paWin := pageantWindow() if paWin == 0 { return nil, ErrPageantNotFound } thID, _, _ := winGetCurrentThreadID() mapName := fmt.Sprintf("PageantRequest%08x", thID) pMapName, _ := syscall.UTF16PtrFromString(mapName) mmap, err := syscall.CreateFileMapping(syscall.InvalidHandle, nil, syscall.PAGE_READWRITE, 0, MaxMessageLen+4, pMapName) if err != nil { return nil, err } defer syscall.CloseHandle(mmap) ptr, err := syscall.MapViewOfFile(mmap, syscall.FILE_MAP_WRITE, 0, 0, 0) if err != nil { return nil, err } defer syscall.UnmapViewOfFile(ptr) mmSlice := (*(*[MaxMessageLen]byte)(unsafe.Pointer(ptr)))[:] copy(mmSlice, msg) mapNameBytesZ := append([]byte(mapName), 0) cds := copyData{ dwData: agentCopydataID, cbData: uint32(len(mapNameBytesZ)), lpData: unsafe.Pointer(&(mapNameBytesZ[0])), } resp, _, _ := winSendMessage(paWin, wmCopydata, 0, uintptr(unsafe.Pointer(&cds))) if resp == 0 { return nil, ErrSendMessage } respLen := binary.BigEndian.Uint32(mmSlice[:4]) if respLen > MaxMessageLen-4 { return nil, ErrResponseTooLong } respData := make([]byte, respLen+4) copy(respData, mmSlice) return respData, nil } func pageantWindow() uintptr { nameP, _ := syscall.UTF16PtrFromString("Pageant") h, _, _ := winFindWindow(uintptr(unsafe.Pointer(nameP)), uintptr(unsafe.Pointer(nameP))) return h } ssh-agent-0.2.1/sshagent.go000066400000000000000000000023751343376333600155700ustar00rootroot00000000000000// // Copyright 2015, Sander van Harmelen // // Licensed under the Apache License, Version 2.0 (the "License"); // you may not use this file except in compliance with the License. // You may obtain a copy of the License at // // http://www.apache.org/licenses/LICENSE-2.0 // // Unless required by applicable law or agreed to in writing, software // distributed under the License is distributed on an "AS IS" BASIS, // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. // See the License for the specific language governing permissions and // limitations under the License. // // +build !windows package sshagent import ( "errors" "fmt" "net" "os" "golang.org/x/crypto/ssh/agent" ) // New returns a new agent.Agent that uses a unix socket func New() (agent.Agent, net.Conn, error) { if !Available() { return nil, nil, errors.New("SSH agent requested but SSH_AUTH_SOCK not-specified") } sshAuthSock := os.Getenv("SSH_AUTH_SOCK") conn, err := net.Dial("unix", sshAuthSock) if err != nil { return nil, nil, fmt.Errorf("Error connecting to SSH_AUTH_SOCK: %v", err) } return agent.NewClient(conn), conn, nil } // Available returns true is a auth socket is defined func Available() bool { return os.Getenv("SSH_AUTH_SOCK") != "" } ssh-agent-0.2.1/sshagent_windows.go000066400000000000000000000037651343376333600173460ustar00rootroot00000000000000// // Copyright (c) 2014 David Mzareulyan // // 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 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, // DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. // // +build windows package sshagent import ( "errors" "io" "net" "sync" "golang.org/x/crypto/ssh/agent" ) // New returns a new agent.Agent and the (custom) connection it uses // to communicate with a running pagent.exe instance (see README.md) func New() (agent.Agent, net.Conn, error) { if !Available() { return nil, nil, errors.New("SSH agent requested but Pageant not running") } return agent.NewClient(&conn{}), nil, nil } type conn struct { sync.Mutex buf []byte } func (c *conn) Close() { c.Lock() defer c.Unlock() c.buf = nil } func (c *conn) Write(p []byte) (int, error) { c.Lock() defer c.Unlock() resp, err := query(p) if err != nil { return 0, err } c.buf = append(c.buf, resp...) return len(p), nil } func (c *conn) Read(p []byte) (int, error) { c.Lock() defer c.Unlock() if len(c.buf) == 0 { return 0, io.EOF } n := copy(p, c.buf) c.buf = c.buf[n:] return n, nil }