[Bug 528] ProxyCommand none breaks ssh

[bugzilla-daemon at mindrot.org]

http://bugzilla.mindrot.org/show_bug.cgi?id=528

           Summary: ProxyCommand none breaks ssh
           Product: Portable OpenSSH
           Version: 3.6p1
          Platform: All
        OS/Version: Linux
            Status: NEW
          Severity: normal
          Priority: P2
         Component: ssh
        AssignedTo: openssh-unix-dev at mindrot.org
        ReportedBy: arjones at simultan.dyndns.org


I'm actually running 3.6.1p1, but Bugzilla doesn't have an entry for it yet. :)

Pardon me if i'm an idiot, but the documentation says i can set ProxyCommand to
none in ssh_config, and i even see special provisions for that keyword in the
source code, but it doesn't work. When i set it, i get the errors:
/bin/sh: line 1: exec: none: not found
ssh_exchange_identification: Connection closed by remote host
I checked this, and this results from passing options.proxy_command = "none" to
ssh_connect. Looks like You might need the following patch:

--- sshconnect.c.orig   2003-04-02 06:51:28.000000000 +0200
+++ sshconnect.c        2003-04-02 06:53:42.000000000 +0200
@@ -258,7 +258,8 @@
                        port = SSH_DEFAULT_PORT;
        }
        /* If a proxy command is given, connect using it. */
-       if (proxy_command != NULL)
+       if (proxy_command != NULL &&
+               strcmp(options.proxy_command, "none") == 0)
                return ssh_proxy_connect(host, port, proxy_command);

        /* No proxy command. */



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