source3/libsmb/clistr.c

   1 /*
   2    Unix SMB/CIFS implementation.
   3    client string routines
   4    Copyright (C) Andrew Tridgell 2001
   5    Copyright (C) Andrew Bartlett <abartlet@samba.org> 2003
   6
   7    This program is free software; you can redistribute it and/or modify
   8    it under the terms of the GNU General Public License as published by
   9    the Free Software Foundation; either version 3 of the License, or
  10    (at your option) any later version.
  11
  12    This program is distributed in the hope that it will be useful,
  13    but WITHOUT ANY WARRANTY; without even the implied warranty of
  14    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15    GNU General Public License for more details.
  16
  17    You should have received a copy of the GNU General Public License
  18    along with this program.  If not, see <http://www.gnu.org/licenses/>.
  19 */
  20
  21 #include "includes.h"
  22 #include "libsmb/proto.h"
  23
  24 bool clistr_is_previous_version_path(const char *path,
  25                 const char **startp,
  26                 const char **endp,
  27                 time_t *ptime)
  28 {
  29         char *q;
  30         time_t timestamp;
  31         struct tm tm;
  32         const char *p = strstr_m(path, "@GMT-");
  33
  34         if (p == NULL) {
  35                 return false;
  36         }
  37         if (p > path && (p[-1] != '\\')) {
  38                 return false;
  39         }
  40         q = strptime(p, GMT_FORMAT, &tm);
  41         if (q == NULL) {
  42                 return false;
  43         }
  44         tm.tm_isdst = -1;
  45         timestamp = timegm(&tm);
  46         if (timestamp == (time_t)-1) {
  47                 return false;
  48         }
  49         if (q[0] != '\0' && q[0] != '\\') {
  50                 return false;
  51         }
  52         if (startp) {
  53                 *startp = p;
  54         }
  55         if (endp) {
  56                 if (q[0] == '\\') {
  57                         q++;
  58                 }
  59                 *endp = q;
  60         }
  61         if (ptime) {
  62                 *ptime = timestamp;
  63         }
  64         return true;
  65 }