source3/utils/destroy_netlogon_creds_cli.c

   1 /*
   2  * Unix SMB/CIFS implementation.
   3  * Garble the netlogon_creds_cli key for testing purposes
   4  * Copyright (C) Volker Lendecke 2018
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License as published by
   8  * the Free Software Foundation; either version 3 of the License, or
   9  * (at your option) any later version.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License
  17  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  18  */
  19
  20 #include "includes.h"
  21 #include "system/filesys.h"
  22 #include <talloc.h>
  23 #include <tevent.h>
  24 #include "messages.h"
  25 #include "lib/util/talloc_stack.h"
  26 #include "lib/param/loadparm.h"
  27 #include "lib/param/param.h"
  28 #include "libcli/auth/netlogon_creds_cli.h"
  29 #include "lib/dbwrap/dbwrap.h"
  30 #include "lib/dbwrap/dbwrap_open.h"
  31
  32 int main(int argc, const char *argv[])
  33 {
  34         TALLOC_CTX *mem_ctx = talloc_stackframe();
  35         struct tevent_context *ev;
  36         struct messaging_context *msg_ctx;
  37         struct loadparm_context *lp_ctx;
  38         struct db_context *global_db;
  39         struct netlogon_creds_cli_context *ctx;
  40         struct netlogon_creds_CredentialState *creds;
  41         NTSTATUS status;
  42         int ret = 1;
  43
  44         smb_init_locale();
  45
  46         if (!lp_load_global(get_dyn_CONFIGFILE())) {
  47                 fprintf(stderr, "error opening config file %s. Error was %s\n",
  48                         get_dyn_CONFIGFILE(), strerror(errno));
  49                 goto done;
  50         }
  51
  52         if (argc != 4) {
  53                 fprintf(stderr, "usage: %s cli_computer domain dc\n", argv[0]);
  54                 goto done;
  55         }
  56
  57         lp_ctx = loadparm_init_s3(mem_ctx, loadparm_s3_helpers());
  58         if (lp_ctx == NULL) {
  59                 fprintf(stderr, "loadparm_init_s3 failed\n");
  60                 goto done;
  61         }
  62
  63         ev = samba_tevent_context_init(mem_ctx);
  64         if (ev == NULL) {
  65                 fprintf(stderr, "samba3_tevent_context_init failed\n");
  66                 goto done;
  67         }
  68         msg_ctx = messaging_init(mem_ctx, ev);
  69         if (msg_ctx == NULL) {
  70                 fprintf(stderr, "messaging_init failed\n");
  71                 goto done;
  72         }
  73
  74         global_db = db_open(
  75                 mem_ctx,
  76                 lpcfg_private_db_path(mem_ctx, lp_ctx, "netlogon_creds_cli"),
  77                 0, TDB_CLEAR_IF_FIRST|TDB_INCOMPATIBLE_HASH,
  78                 O_RDWR|O_CREAT, 0600, DBWRAP_LOCK_ORDER_2,
  79                 DBWRAP_FLAG_OPTIMIZE_READONLY_ACCESS);
  80         if (global_db == NULL) {
  81                 fprintf(stderr, "db_open failed\n");
  82                 goto done;
  83         }
  84
  85         status = netlogon_creds_cli_set_global_db(lp_ctx, &global_db);
  86         if (!NT_STATUS_IS_OK(status)) {
  87                 fprintf(stderr,
  88                         "netlogon_creds_cli_set_global_db failed: %s\n",
  89                         nt_errstr(status));
  90                 goto done;
  91         }
  92
  93         status = netlogon_creds_cli_context_global(
  94                 lp_ctx,
  95                 msg_ctx,
  96                 talloc_asprintf(mem_ctx, "%s$", argv[1]),
  97                 SEC_CHAN_WKSTA,
  98                 argv[3],
  99                 argv[2],
 100                 "",
 101                 mem_ctx,
 102                 &ctx);
 103         if (!NT_STATUS_IS_OK(status)) {
 104                 fprintf(stderr,
 105                         "netlogon_creds_cli_context_global failed: %s\n",
 106                         nt_errstr(status));
 107                 goto done;
 108         }
 109
 110         status = netlogon_creds_cli_lock(ctx,
 111                                          mem_ctx,
 112                                          &creds);
 113         if (!NT_STATUS_IS_OK(status)) {
 114                 fprintf(stderr,
 115                         "netlogon_creds_cli_get failed: %s\n",
 116                         nt_errstr(status));
 117                 goto done;
 118         }
 119
 120         creds->session_key[0]++;
 121
 122         status = netlogon_creds_cli_store(ctx, creds);
 123         if (!NT_STATUS_IS_OK(status)) {
 124                 fprintf(stderr,
 125                         "netlogon_creds_cli_store failed: %s\n",
 126                         nt_errstr(status));
 127                 goto done;
 128         }
 129
 130         TALLOC_FREE(creds);
 131
 132         ret = 0;
 133 done:
 134         TALLOC_FREE(mem_ctx);
 135         return ret;
 136 }