source3/lib/lsa.c

   1 /*
   2  * Helper functions related to the LSA server
   3  *
   4  *  This program is free software; you can redistribute it and/or modify
   5  *  it under the terms of the GNU General Public License as published by
   6  *  the Free Software Foundation; either version 3 of the License, or
   7  *  (at your option) any later version.
   8  *
   9  *  This program is distributed in the hope that it will be useful,
  10  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  *  GNU General Public License for more details.
  13  *
  14  *  You should have received a copy of the GNU General Public License
  15  *  along with this program; if not, see <http://www.gnu.org/licenses/>.
  16  */
  17
  18 /***************************************************************************
  19  init_lsa_ref_domain_list - adds a domain if it's not already in, returns index.
  20 ***************************************************************************/
  21
  22 #include "includes.h"
  23 #include "libcli/security/dom_sid.h"
  24 #include "librpc/gen_ndr/lsa.h"
  25 #include "lsa.h"
  26
  27 int init_lsa_ref_domain_list(TALLOC_CTX *mem_ctx,
  28                              struct lsa_RefDomainList *ref,
  29                              const char *dom_name,
  30                              struct dom_sid *dom_sid)
  31 {
  32         int num = 0;
  33
  34         if (dom_name != NULL) {
  35                 for (num = 0; num < ref->count; num++) {
  36                         if (dom_sid_equal(dom_sid, ref->domains[num].sid)) {
  37                                 return num;
  38                         }
  39                 }
  40         } else {
  41                 num = ref->count;
  42         }
  43
  44         if (num >= LSA_REF_DOMAIN_LIST_MULTIPLIER) {
  45                 /* index not found, already at maximum domain limit */
  46                 return -1;
  47         }
  48
  49         ref->count = num + 1;
  50         ref->max_size = LSA_REF_DOMAIN_LIST_MULTIPLIER;
  51
  52         ref->domains = talloc_realloc(mem_ctx, ref->domains,
  53                                             struct lsa_DomainInfo, ref->count);
  54         if (!ref->domains) {
  55                 return -1;
  56         }
  57
  58         ZERO_STRUCT(ref->domains[num]);
  59
  60         ref->domains[num].name.string = talloc_strdup(mem_ctx, dom_name);
  61         if (!ref->domains[num].name.string) {
  62                 return -1;
  63         }
  64
  65         ref->domains[num].sid = dom_sid_dup(mem_ctx, dom_sid);
  66         if (!ref->domains[num].sid) {
  67                 return -1;
  68         }
  69
  70         return num;
  71 }