source4/utils/net/net_machinepw.c

   1 /*
   2    Samba Unix/Linux SMB client library
   3    Distributed SMB/CIFS Server Management Utility
   4
   5    Copyright (C) 2008 Volker Lendecke
   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 "lib/events/events.h"
  23 #include "utils/net/net.h"
  24 #include "libnet/libnet.h"
  25 #include "libcli/security/security.h"
  26 #include "param/secrets.h"
  27 #include "param/param.h"
  28 #include "lib/util/util_ldb.h"
  29
  30 int net_machinepw_usage(struct net_context *ctx, int argc, const char **argv)
  31 {
  32         d_printf("net machinepw <accountname>\n");
  33         return -1;
  34 }
  35
  36 int net_machinepw(struct net_context *ctx, int argc, const char **argv)
  37 {
  38         struct ldb_context *secrets;
  39         TALLOC_CTX *mem_ctx;
  40         struct tevent_context *ev;
  41         struct ldb_message **msgs;
  42         int num_records;
  43         const char *attrs[] = { "secret", NULL };
  44         const char *secret;
  45
  46         if (argc != 1) {
  47                 net_machinepw_usage(ctx, argc, argv);
  48                 return -1;
  49         }
  50
  51         mem_ctx = talloc_new(ctx);
  52         if (mem_ctx == NULL) {
  53                 d_fprintf(stderr, "talloc_new failed\n");
  54                 return -1;
  55         }
  56
  57         ev = event_context_init(mem_ctx);
  58         if (ev == NULL) {
  59                 d_fprintf(stderr, "event_context_init failed\n");
  60                 goto fail;
  61         }
  62
  63         secrets = secrets_db_connect(mem_ctx, ev, ctx->lp_ctx);
  64         if (secrets == NULL) {
  65                 d_fprintf(stderr, "secrets_db_connect failed\n");
  66                 goto fail;
  67         }
  68
  69         num_records = gendb_search(secrets, mem_ctx, NULL, &msgs, attrs,
  70                                    "(&(objectclass=primaryDomain)"
  71                                    "(samaccountname=%s))", argv[0]);
  72         if (num_records != 1) {
  73                 d_fprintf(stderr, "gendb_search returned %d records, "
  74                           "expected 1\n", num_records);
  75                 goto fail;
  76         }
  77
  78         secret = ldb_msg_find_attr_as_string(msgs[0], "secret", NULL);
  79         if (secret == NULL) {
  80                 d_fprintf(stderr, "machine account contains no secret\n");
  81                 goto fail;
  82         }
  83
  84         printf("%s\n", secret);
  85         talloc_free(mem_ctx);
  86         return 0;
  87
  88  fail:
  89         talloc_free(mem_ctx);
  90         return -1;
  91 }