Line data    Source code

       1             : /*
       2             :    Unix SMB/CIFS implementation.
       3             :    cmdline context wrapper.
       4             : 
       5             :    Copyright (C) Christof Schmitt <cs@samba.org> 2018
       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 "cmdline_contexts.h"
      22             : #include "includes.h"
      23             : #include "messages.h"
      24             : #include "lib/global_contexts.h"
      25             : 
      26        1206 : struct messaging_context *cmdline_messaging_context(const char *config_file)
      27             : {
      28        1206 :         struct messaging_context *msg_ctx = NULL;
      29             : 
      30             :         /*
      31             :          * Ensure that a config is loaded, in case the underlying
      32             :          * messaging_init needs to create directories or sockets.
      33             :          */
      34        1206 :         if (!lp_loaded()) {
      35           0 :                 if (!lp_load_initial_only(config_file)) {
      36           0 :                         return NULL;
      37             :                 }
      38             :         }
      39             : 
      40             :         /*
      41             :          * Clustered Samba can only work as root due to required
      42             :          * access to the registry and ctdb, which in turn requires
      43             :          * messaging access as root.
      44             :          */
      45        1206 :         if (lp_clustering() && geteuid() != 0) {
      46           0 :                 fprintf(stderr, "Cluster mode requires running as root.\n");
      47           0 :                 exit(1);
      48             :         }
      49             : 
      50        1206 :         msg_ctx = global_messaging_context();
      51        1206 :         if (msg_ctx == NULL) {
      52           0 :                 if (geteuid() == 0) {
      53           0 :                         fprintf(stderr,
      54             :                                 "Unable to initialize messaging context!\n");
      55           0 :                         exit(1);
      56             :                 } else {
      57             :                         /*
      58             :                          * Non-cluster, non-root: Log error, but leave
      59             :                          * it up to the caller how to proceed.
      60             :                          */
      61           0 :                         DBG_NOTICE("Unable to initialize messaging context.\n");
      62             :                 }
      63             :         }
      64             : 
      65        1206 :         return msg_ctx;
      66             : }
      67             : 
      68         982 : void cmdline_messaging_context_free(void)
      69             : {
      70         982 :         global_messaging_context_free();
      71         982 : }