swanctl: Add a version command to query daemon and OS info

diff --git a/src/swanctl/Makefile.am b/src/swanctl/Makefile.am
index 30bff43e40eaa1f3f0583f9711d9622ae64a93f9..582c00b57809c58f11d825e658c036c38ae4a1c2 100644 (file)
--- a/src/swanctl/Makefile.am
+++ b/src/swanctl/Makefile.am
@@ -4,6 +4,7 @@ swanctl_SOURCES = \
        command.c command.h \
        commands/initiate.c \
        commands/terminate.c \
+       commands/version.c \
        commands/list_sas.c \
        swanctl.c
 

diff --git a/src/swanctl/commands/version.c b/src/swanctl/commands/version.c
new file mode 100644 (file)
index 0000000..36b7a6d
--- /dev/null
+++ b/src/swanctl/commands/version.c
@@ -0,0 +1,81 @@
+/*
+ * Copyright (C) 2014 Martin Willi
+ * Copyright (C) 2014 revosec AG
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.  See <http://www.fsf.org/copyleft/gpl.txt>.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * for more details.
+ */
+
+#include "command.h"
+
+#include <errno.h>
+
+static int version(vici_conn_t *conn)
+{
+       vici_req_t *req;
+       vici_res_t *res;
+       char *arg;
+       bool raw = FALSE;
+
+       while (TRUE)
+       {
+               switch (command_getopt(&arg))
+               {
+                       case 'h':
+                               return command_usage(NULL);
+                       case 'r':
+                               raw = TRUE;
+                               continue;
+                       case EOF:
+                               break;
+                       default:
+                               return command_usage("invalid --terminate option");
+               }
+               break;
+       }
+
+       req = vici_begin("version");
+       res = vici_submit(req, conn);
+       if (!res)
+       {
+               fprintf(stderr, "version request failed: %s\n", strerror(errno));
+               return errno;
+       }
+       if (raw)
+       {
+               vici_dump(res, "version reply", stdout);
+       }
+       else
+       {
+               printf("strongSwan %s %s (%s, %s, %s)\n",
+                       vici_find_str(res, "", "version"),
+                       vici_find_str(res, "", "daemon"),
+                       vici_find_str(res, "", "sysname"),
+                       vici_find_str(res, "", "release"),
+                       vici_find_str(res, "", "machine"));
+       }
+       vici_free_res(res);
+       return 0;
+}
+
+/**
+ * Register the command.
+ */
+static void __attribute__ ((constructor))reg()
+{
+       command_register((command_t) {
+               version, 'v', "version", "show daemon version information",
+               {"[--raw]"},
+               {
+                       {"help",                'h', 0, "show usage information"},
+                       {"raw",                 'r', 0, "dump raw response message"},
+               }
+       });
+}