source4/smbd/service.c

   1 /*
   2    Unix SMB/CIFS implementation.
   3
   4    SERVER SERVICE code
   5
   6    Copyright (C) Andrew Tridgell 2003-2005
   7    Copyright (C) Stefan (metze) Metzmacher      2004
   8
   9    This program is free software; you can redistribute it and/or modify
  10    it under the terms of the GNU General Public License as published by
  11    the Free Software Foundation; either version 3 of the License, or
  12    (at your option) any later version.
  13
  14    This program is distributed in the hope that it will be useful,
  15    but WITHOUT ANY WARRANTY; without even the implied warranty of
  16    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17    GNU General Public License for more details.
  18
  19    You should have received a copy of the GNU General Public License
  20    along with this program.  If not, see <http://www.gnu.org/licenses/>.
  21 */
  22
  23 #include "includes.h"
  24 #include "../lib/util/dlinklist.h"
  25 #include "smbd/process_model.h"
  26
  27 /*
  28   a linked list of registered servers
  29 */
  30 static struct registered_server {
  31         struct registered_server *next, *prev;
  32         const char *service_name;
  33         void (*task_init)(struct task_server *);
  34 } *registered_servers;
  35
  36 /*
  37   register a server service.
  38 */
  39 NTSTATUS register_server_service(TALLOC_CTX *ctx,
  40                                 const char *name,
  41                                 void (*task_init)(struct task_server *))
  42 {
  43         struct registered_server *srv;
  44         srv = talloc(ctx, struct registered_server);
  45         NT_STATUS_HAVE_NO_MEMORY(srv);
  46         srv->service_name = name;
  47         srv->task_init = task_init;
  48         DLIST_ADD_END(registered_servers, srv);
  49         return NT_STATUS_OK;
  50 }
  51
  52
  53 /*
  54   initialise a server service
  55 */
  56 static NTSTATUS server_service_init(const char *name,
  57                                     struct tevent_context *event_context,
  58                                     struct loadparm_context *lp_ctx,
  59                                     const struct model_ops *model_ops)
  60 {
  61         struct registered_server *srv;
  62         for (srv=registered_servers; srv; srv=srv->next) {
  63                 if (strcasecmp(name, srv->service_name) == 0) {
  64                         return task_server_startup(event_context, lp_ctx, srv->service_name,
  65                                                    model_ops, srv->task_init);
  66                 }
  67         }
  68         return NT_STATUS_INVALID_SYSTEM_SERVICE;
  69 }
  70
  71
  72 /*
  73   startup all of our server services
  74 */
  75 NTSTATUS server_service_startup(struct tevent_context *event_ctx,
  76                                 struct loadparm_context *lp_ctx,
  77                                 const char *model, const char **server_services)
  78 {
  79         int i;
  80         const struct model_ops *model_ops;
  81
  82         if (!server_services) {
  83                 DEBUG(0,("server_service_startup: no endpoint servers configured\n"));
  84                 return NT_STATUS_INVALID_PARAMETER;
  85         }
  86
  87         model_ops = process_model_startup(model);
  88         if (!model_ops) {
  89                 DEBUG(0,("process_model_startup('%s') failed\n", model));
  90                 return NT_STATUS_INTERNAL_ERROR;
  91         }
  92
  93         for (i=0;server_services[i];i++) {
  94                 NTSTATUS status;
  95
  96                 status = server_service_init(server_services[i], event_ctx, lp_ctx, model_ops);
  97                 if (!NT_STATUS_IS_OK(status)) {
  98                         DEBUG(0,("Failed to start service '%s' - %s\n",
  99                                  server_services[i], nt_errstr(status)));
 100                 }
 101                 NT_STATUS_NOT_OK_RETURN(status);
 102         }
 103
 104         return NT_STATUS_OK;
 105 }