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 "popt_common.h"
  27 #include "lib/param/loadparm.h"
  28 #include "lib/param/param.h"
  29 #include "libcli/auth/netlogon_creds_cli.h"
  30 #include "lib/dbwrap/dbwrap.h"
  31 #include "lib/dbwrap/dbwrap_open.h"
  32
  33 int main(int argc, const char *argv[])
  34 {
  35         TALLOC_CTX *mem_ctx = talloc_stackframe();
  36         struct tevent_context *ev;
  37         struct messaging_context *msg_ctx;
  38         struct loadparm_context *lp_ctx;
  39         struct db_context *global_db;
  40         struct netlogon_creds_cli_context *ctx;
  41         struct netlogon_creds_CredentialState *creds;
  42         NTSTATUS status;
  43         int ret = 1;
  44
  45         smb_init_locale();
  46
  47         if (!lp_load_global(get_dyn_CONFIGFILE())) {
  48                 fprintf(stderr, "error opening config file %s. Error was %s\n",
  49                         get_dyn_CONFIGFILE(), strerror(errno));
  50                 goto done;
  51         }
  52
  53         if (argc != 4) {
  54                 fprintf(stderr, "usage: %s cli_computer domain dc\n", argv[0]);
  55                 goto done;
  56         }
  57
  58         lp_ctx = loadparm_init_s3(mem_ctx, loadparm_s3_helpers());
  59         if (lp_ctx == NULL) {
  60                 fprintf(stderr, "loadparm_init_s3 failed\n");
  61                 goto done;
  62         }
  63
  64         ev = samba_tevent_context_init(mem_ctx);
  65         if (ev == NULL) {
  66                 fprintf(stderr, "samba3_tevent_context_init failed\n");
  67                 goto done;
  68         }
  69         msg_ctx = messaging_init(mem_ctx, ev);
  70         if (msg_ctx == NULL) {
  71                 fprintf(stderr, "messaging_init failed\n");
  72                 goto done;
  73         }
  74
  75         global_db = db_open(
  76                 mem_ctx,
  77                 lpcfg_private_db_path(mem_ctx, lp_ctx, "netlogon_creds_cli"),
  78                 0, TDB_CLEAR_IF_FIRST|TDB_INCOMPATIBLE_HASH,
  79                 O_RDWR|O_CREAT, 0600, DBWRAP_LOCK_ORDER_2,
  80                 DBWRAP_FLAG_OPTIMIZE_READONLY_ACCESS);
  81         if (global_db == NULL) {
  82                 fprintf(stderr, "db_open failed\n");
  83                 goto done;
  84         }
  85
  86         status = netlogon_creds_cli_set_global_db(&global_db);
  87         if (!NT_STATUS_IS_OK(status)) {
  88                 fprintf(stderr,
  89                         "netlogon_creds_cli_set_global_db failed: %s\n",
  90                         nt_errstr(status));
  91                 goto done;
  92         }
  93
  94         status = netlogon_creds_cli_context_global(
  95                 lp_ctx,
  96                 msg_ctx,
  97                 talloc_asprintf(mem_ctx, "%s$", argv[1]),
  98                 SEC_CHAN_WKSTA,
  99                 argv[3],
 100                 argv[2],
 101                 "",
 102                 mem_ctx,
 103                 &ctx);
 104         if (!NT_STATUS_IS_OK(status)) {
 105                 fprintf(stderr,
 106                         "netlogon_creds_cli_context_global failed: %s\n",
 107                         nt_errstr(status));
 108                 goto done;
 109         }
 110
 111         status = netlogon_creds_cli_lock(ctx,
 112                                          mem_ctx,
 113                                          &creds);
 114         if (!NT_STATUS_IS_OK(status)) {
 115                 fprintf(stderr,
 116                         "netlogon_creds_cli_get failed: %s\n",
 117                         nt_errstr(status));
 118                 goto done;
 119         }
 120
 121         creds->session_key[0]++;
 122
 123         status = netlogon_creds_cli_store(ctx, creds);
 124         if (!NT_STATUS_IS_OK(status)) {
 125                 fprintf(stderr,
 126                         "netlogon_creds_cli_store failed: %s\n",
 127                         nt_errstr(status));
 128                 goto done;
 129         }
 130
 131         TALLOC_FREE(creds);
 132
 133         ret = 0;
 134 done:
 135         TALLOC_FREE(mem_ctx);
 136         return ret;
 137 }