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(const char *name,
  40                                  void (*task_init)(struct task_server *))
  41 {
  42         struct registered_server *srv;
  43         srv = talloc(talloc_autofree_context(), struct registered_server);
  44         NT_STATUS_HAVE_NO_MEMORY(srv);
  45         srv->service_name = name;
  46         srv->task_init = task_init;
  47         DLIST_ADD_END(registered_servers, srv, struct registered_server *);
  48         return NT_STATUS_OK;
  49 }
  50
  51
  52 /*
  53   initialise a server service
  54 */
  55 static NTSTATUS server_service_init(const char *name,
  56                                     struct tevent_context *event_context,
  57                                     struct loadparm_context *lp_ctx,
  58                                     const struct model_ops *model_ops)
  59 {
  60         struct registered_server *srv;
  61         for (srv=registered_servers; srv; srv=srv->next) {
  62                 if (strcasecmp(name, srv->service_name) == 0) {
  63                         return task_server_startup(event_context, lp_ctx, srv->service_name,
  64                                                    model_ops, srv->task_init);
  65                 }
  66         }
  67         return NT_STATUS_INVALID_SYSTEM_SERVICE;
  68 }
  69
  70
  71 /*
  72   startup all of our server services
  73 */
  74 NTSTATUS server_service_startup(struct tevent_context *event_ctx,
  75                                 struct loadparm_context *lp_ctx,
  76                                 const char *model, const char **server_services)
  77 {
  78         int i;
  79         const struct model_ops *model_ops;
  80
  81         if (!server_services) {
  82                 DEBUG(0,("server_service_startup: no endpoint servers configured\n"));
  83                 return NT_STATUS_INVALID_PARAMETER;
  84         }
  85
  86         model_ops = process_model_startup(model);
  87         if (!model_ops) {
  88                 DEBUG(0,("process_model_startup('%s') failed\n", model));
  89                 return NT_STATUS_INTERNAL_ERROR;
  90         }
  91
  92         for (i=0;server_services[i];i++) {
  93                 NTSTATUS status;
  94
  95                 status = server_service_init(server_services[i], event_ctx, lp_ctx, model_ops);
  96                 if (!NT_STATUS_IS_OK(status)) {
  97                         DEBUG(0,("Failed to start service '%s' - %s\n",
  98                                  server_services[i], nt_errstr(status)));
  99                 }
 100                 NT_STATUS_NOT_OK_RETURN(status);
 101         }
 102
 103         return NT_STATUS_OK;
 104 }