SSHAgentStartup

SSHAgentStartup is a cool utility that properly starts up an ssh-agent and sets the environment variables for it in your ~/.MacOSX/environment.plist. It worked under Mac OS X 10.1, but broke under Jaguar, and I wrote my own pseudo-replacement, but was rewritten and now works again.

It doesn't set your shell environment, though; so I modified this to output to a file calles .bash_ssh_env, which I then source from .bash_profile.

--- SSHAgentStartupHelper.c.orig        Wed Sep  4 05:49:33 2002
+++ SSHAgentStartupHelper.c     Fri Mar 14 08:55:08 2003
@@ -135,9 +135,12 @@
        }
  }
 
-void startSSHAgent(CFMutableDictionaryRef plist) {
+void startSSHAgent(char* macosxdir, CFMutableDictionaryRef plist) {
        // -s specifies bourne shell output
-       FILE* output = popen("/usr/bin/ssh-agent -s", "r");
+       char cmd[PATH_MAX + 64];
+       snprintf(cmd, PATH_MAX + 64, "/usr/bin/ssh-agent -s | grep -v echo | tee %s/../.bash_ssh_env", macosxdir);
+
+       FILE* output = popen(cmd, "r");
        if (output && plist) {
                int i;
                char* line;
@@ -193,7 +196,7 @@
                }
        }
        if (plist) {
-               startSSHAgent(plist);
+               startSSHAgent(macosxdir, plist);
                writeEnvironmentPlist(aConfigFile, plist);
        }
        return 0;