src/libstrongswan/ipsec/ipsec_types.c

   1 /*
   2  * Copyright (C) 2012-2013 Tobias Brunner
   3  * Hochschule fuer Technik Rapperswil
   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 "ipsec_types.h"
  17
  18 ENUM(ipsec_mode_names, MODE_TRANSPORT, MODE_DROP,
  19         "TRANSPORT",
  20         "TUNNEL",
  21         "BEET",
  22         "PASS",
  23         "DROP"
  24 );
  25
  26 ENUM(policy_dir_names, POLICY_IN, POLICY_FWD,
  27         "in",
  28         "out",
  29         "fwd"
  30 );
  31
  32 ENUM(ipcomp_transform_names, IPCOMP_NONE, IPCOMP_LZJH,
  33         "IPCOMP_NONE",
  34         "IPCOMP_OUI",
  35         "IPCOMP_DEFLATE",
  36         "IPCOMP_LZS",
  37         "IPCOMP_LZJH"
  38 );
  39
  40 /*
  41  * See header
  42  */
  43 bool mark_from_string(const char *value, mark_t *mark)
  44 {
  45         char *endptr;
  46
  47         if (!value)
  48         {
  49                 return FALSE;
  50         }
  51         mark->value = strtoul(value, &endptr, 0);
  52         if (*endptr)
  53         {
  54                 if (*endptr != '/')
  55                 {
  56                         DBG1(DBG_APP, "invalid mark value: %s", value);
  57                         return FALSE;
  58                 }
  59                 mark->mask = strtoul(endptr+1, &endptr, 0);
  60                 if (*endptr)
  61                 {
  62                         DBG1(DBG_LIB, "invalid mark mask: %s", endptr);
  63                         return FALSE;
  64                 }
  65         }
  66         else
  67         {
  68                 mark->mask = 0xffffffff;
  69         }
  70         /* apply the mask to ensure the value is in range */
  71         mark->value &= mark->mask;
  72         return TRUE;
  73 }