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win-ssh-agent, win-ssh-askpass (for the cygwin openssh) 1. Introduction With the win-ssh-agent, we can use the ssh-agent (available in the cygwin openssh) in the more smart way. Normally, we need to start all relevant programs, which might need to use the ssh, as child processes of the shell (e.g. bash) in which you eval'ed the ssh-agent. Because, the programs must be able to refer to environment variables that set by the ssh-agent. The win-ssh-agent enables all programs to refer to the environment variables of the ssh-agent, i.e. the SSH_AUTH_SOCK. Now, we no longer need to start programs as child processes of the shell. 2. Install The win-ssh-agent.exe and the win-ssh-askpass.exe should be in the same directory (e.g. /usr/local/bin/) . For 32-bit Cygwin, you can use the attached win-ssh-agent.exe and the attached win-ssh-askpass.exe. For 64-bit Cygwin, you need to compile sources. Follow the section "6. Compile", then do the above instruction. Install the cygwin openssh by the cygwin setup.exe. I confirmed that the openssh-6.2p2-1 worked properly. The system wide PATH environment variable must have /bin of the cygwin (e.g. PATH=C:\cygwin\bin;... or PATH=C:\cygwin64\bin;...) 3. Run and Terminate To run, double-click the win-ssh-agent.exe . It asks the pass-phrases. After you fulfill them, the win-ssh-agent stays in the notification area of the taskbar. To terminate it, right-click the icon in the notification area, then choose "Exit". 4. Behaviors After the win-ssh-agent started, it will make the ssh-agent automatically start. And then the below environment variables will be set up. SSH_AGENT_PID the process ID for ssh-agent.exe SSH_AUTH_SOCK the socket-path for ssh-agent.exe SSH_ASKPASS the path of win-ssh-askpass.exe DISPLAY :0 (The terms of set up the DISPLAY environment variable are that the DISPLAY have not been set up and also then --no-DISPLAY option was not set up at the command line of the win-ssh-agent.) Once this set up would be done, all application which will be started through the Explorer will be able to refer to these environment variables, because they are set up into the Explorer. The win-ssh-agent stays in the notification area of the taskbar and deletes each environment variable at the end of its life. 5. Options of the win-ssh-agent.exe --no-ssh-agent It stops to start the ssh-agent. Without this option, the ssh-agent is automatically started. --no-DISPLAY It stops that the win-ssh-agent sets up automatically the DISPLAY environment variable. -i, --identity FILENAME In case using more than one identity file, the identity file will be specified by this option. This option can be specified more more than once. -I, --default-identity - It shows dialogue which asks the pass-phrase at the time of start. This option can be specified only once. The same identity files are considerd to be specified as the ssh-add with no-options uses. (i.e. ~/.ssh/id_rsa, ~/.ssh/id_dsa, ~/.ssh/id_ecdsa, ~/.ssh/id_ed25519, ~/.ssh/identity) In the case of default, -I - is set up automatically. This option invalidates -I FILENAME. -I, --default-identity FILENAME This option works almost as same as -i. But, it shows a dialogue which asks the pass-phrase at the time of start. This option can be specified multiple times. This option invalidates -I -. --no-default-identity It stops that -I - is set in the case of default. This option invalidates -I -, and -I FILENAME. -e, --exec PROGRAM [OPTION ...] After the win-ssh-agent started, it executes the PROGRAM. If the -I option is specified, it is executed after closing the pass-phrase dialogue. In the case the pass-phrase dialogue was cancelled, it will not be executed. -a BIND_ADDRESS Bind the agent to the UNIX-domain socket bind_address. The default is $TMPDIR/ssh-XXXXXXXXXX/agent.<ppid>. -t LIFE Set a default value for the maximum lifetime of identities added to the agent. The lifetime may be specified in seconds or in a time format specified in sshd_config(5). A lifetime specified for an identity with ssh-add(1) overrides this value. Without this option the default maximum lifetime is forever. 6. Compile The ssh-agent.exe and ssh-add.exe must be found in the path of the PATH. If you want to re-compile, please do make. $ make clean && make && make install NOTE: If win-ssh-askpass.exe cannot run under Windows XP, please try the following commandline: $ make install-xp 7. Support https://github.com/ganaware/win-ssh-agent 8. Copyright Copyright (c) 2001-2006, 2011, 2013, TAGA Nayuta <firstname.lastname@example.org> All rights reserved. Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met: * Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer. * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution. * Neither the name of the GANAware nor the names of its contributors may be used to endorse or promote products derived from this software without specific prior written permission. THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 9. History 2016/04/12 1.10 * -I FILENAME can be specified multiple times. * some fix 2016/03/10 1.09 * Fixed for Cygwin 64-bit. 2013/08/08 1.08 * "make install-xp" is added to build a win-ssh-askpass.exe without visual-style dialogbox. (Thanks to Patrick Mézard) * Fixed for Cygwin 64-bit. 2011/11/02 1.07 * This project is renamed to win-ssh-agent from win-ssh-askpass. * --hide-console is removed. If you use it, it is ignored. * Now, win-ssh-agent.exe does not show a console window when it is executed by your double-click. * Workaround for openssh 5.9p1-1. * README fix * some fix 2011/10/14 1.06 * Fix sources to build on Cygwin 1.7 . * Now we use visual-style dialogbox. * We use more Unicode API. 2006/04/02 1.05 * Now, win-ssh-agent set up an environment variable DISPLAY to :0 instead of localhost:0. * Thanks to Ralf Hauser and Naoko, README written in English is available. * -a and -t are added. * some bug fix for cygwin 1.5.19. 2002/09/22 1.04 * I separated the win-ssh-agent and the win-ssh-askpass. * I made a change, so that "-I-" will be specified in default. * --hide-console is added. * sample.bat was cancelled. 2002/02/27 1.03 * Now, -e will not be executed when you cancelled the pass-phrase dialogue in the case -I and -e were simultaneously specified. (Patched by Sumio TOYAMA) * sample.bat was added. 2001/12/09 1.02 * More than one identity files can be specified. * The pass-phrase dialogue may open at the beginning. * A program can be executed after the start of the win-ssh-askpass. 2001/11/10 1.01 * The link-warning were vanished when make. 2001/11/04 1.00 * I made it.