upstream commit

Add RemoteCommand option to specify a command in the
ssh config file instead of giving it on the client's command line.  This
command will be executed on the remote host.  The feature allows to automate
tasks using ssh config. OK markus@

Upstream-ID: 5d982fc17adea373a9c68cae1021ce0a0904a5ee

1 files changed, 11 insertions, 2 deletions

diff --git a/readconf.c b/readconf.c
index 4be5327a9..b11c628f9 100644
--- a/readconf.c
+++ b/readconf.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: readconf.c,v 1.276 2017/05/20 02:35:47 djm Exp $ */
+/* $OpenBSD: readconf.c,v 1.277 2017/05/30 18:58:37 bluhm Exp $ */
 /*
  * Author: Tatu Ylonen <ylo@cs.hut.fi>
  * Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
@@ -163,7 +163,8 @@ typedef enum {
         oServerAliveInterval, oServerAliveCountMax, oIdentitiesOnly,
         oSendEnv, oControlPath, oControlMaster, oControlPersist,
         oHashKnownHosts,
-        oTunnel, oTunnelDevice, oLocalCommand, oPermitLocalCommand,
+        oTunnel, oTunnelDevice,
+        oLocalCommand, oPermitLocalCommand, oRemoteCommand,
         oVisualHostKey,
         oKexAlgorithms, oIPQoS, oRequestTTY, oIgnoreUnknown, oProxyUseFdpass,
         oCanonicalDomains, oCanonicalizeHostname, oCanonicalizeMaxDots,
@@ -284,6 +285,7 @@ static struct {
         { "tunneldevice", oTunnelDevice },
         { "localcommand", oLocalCommand },
         { "permitlocalcommand", oPermitLocalCommand },
+        { "remotecommand", oRemoteCommand },
         { "visualhostkey", oVisualHostKey },
         { "kexalgorithms", oKexAlgorithms },
         { "ipqos", oIPQoS },
@@ -1440,6 +1442,10 @@ parse_keytypes:
                 intptr = &options->permit_local_command;
                 goto parse_flag;
 
+        case oRemoteCommand:
+                charptr = &options->remote_command;
+                goto parse_command;
+
         case oVisualHostKey:
                 intptr = &options->visual_host_key;
                 goto parse_flag;
@@ -1828,6 +1834,7 @@ initialize_options(Options * options)
         options->tun_remote = -1;
         options->local_command = NULL;
         options->permit_local_command = -1;
+        options->remote_command = NULL;
         options->add_keys_to_agent = -1;
         options->identity_agent = NULL;
         options->visual_host_key = -1;
@@ -2032,6 +2039,7 @@ fill_default_options(Options * options)
                 } \
         } while(0)
         CLEAR_ON_NONE(options->local_command);
+        CLEAR_ON_NONE(options->remote_command);
         CLEAR_ON_NONE(options->proxy_command);
         CLEAR_ON_NONE(options->control_path);
         CLEAR_ON_NONE(options->revoked_host_keys);
@@ -2509,6 +2517,7 @@ dump_client_config(Options *o, const char *host)
         dump_cfg_string(oKbdInteractiveDevices, o->kbd_interactive_devices);
         dump_cfg_string(oKexAlgorithms, o->kex_algorithms ? o->kex_algorithms : KEX_CLIENT_KEX);
         dump_cfg_string(oLocalCommand, o->local_command);
+        dump_cfg_string(oRemoteCommand, o->remote_command);
         dump_cfg_string(oLogLevel, log_level_name(o->log_level));
         dump_cfg_string(oMacs, o->macs ? o->macs : KEX_CLIENT_MAC);
 #ifdef ENABLE_PKCS11