src/swanctl/commands/version.c

   1 /*
   2  * Copyright (C) 2014 Martin Willi
   3  * Copyright (C) 2014 revosec AG
   4  *
   5  * This program is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License as published by the
   7  * Free Software Foundation; either version 2 of the License, or (at your
   8  * option) any later version.  See <http://www.fsf.org/copyleft/gpl.txt>.
   9  *
  10  * This program is distributed in the hope that it will be useful, but
  11  * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
  12  * or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  13  * for more details.
  14  */
  15
  16 #include "command.h"
  17
  18 #include <errno.h>
  19
  20 static int version(vici_conn_t *conn)
  21 {
  22         vici_req_t *req;
  23         vici_res_t *res;
  24         char *arg;
  25         bool raw = FALSE;
  26
  27         while (TRUE)
  28         {
  29                 switch (command_getopt(&arg))
  30                 {
  31                         case 'h':
  32                                 return command_usage(NULL);
  33                         case 'r':
  34                                 raw = TRUE;
  35                                 continue;
  36                         case EOF:
  37                                 break;
  38                         default:
  39                                 return command_usage("invalid --terminate option");
  40                 }
  41                 break;
  42         }
  43
  44         req = vici_begin("version");
  45         res = vici_submit(req, conn);
  46         if (!res)
  47         {
  48                 fprintf(stderr, "version request failed: %s\n", strerror(errno));
  49                 return errno;
  50         }
  51         if (raw)
  52         {
  53                 vici_dump(res, "version reply", stdout);
  54         }
  55         else
  56         {
  57                 printf("strongSwan %s %s (%s, %s, %s)\n",
  58                         vici_find_str(res, "", "version"),
  59                         vici_find_str(res, "", "daemon"),
  60                         vici_find_str(res, "", "sysname"),
  61                         vici_find_str(res, "", "release"),
  62                         vici_find_str(res, "", "machine"));
  63         }
  64         vici_free_res(res);
  65         return 0;
  66 }
  67
  68 /**
  69  * Register the command.
  70  */
  71 static void __attribute__ ((constructor))reg()
  72 {
  73         command_register((command_t) {
  74                 version, 'v', "version", "show daemon version information",
  75                 {"[--raw]"},
  76                 {
  77                         {"help",                'h', 0, "show usage information"},
  78                         {"raw",                 'r', 0, "dump raw response message"},
  79                 }
  80         });
  81 }