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         const struct service_details *service_details;
  34 } *registered_servers;
  35
  36 /*
  37   register a server service.
  38 */
  39 NTSTATUS register_server_service(TALLOC_CTX *ctx,
  40                                 const char *name,
  41                                 const struct service_details *details)
  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->service_details =
  48                 talloc_memdup(ctx, details, sizeof(struct service_details));
  49         NT_STATUS_HAVE_NO_MEMORY(srv->service_details);
  50         DLIST_ADD_END(registered_servers, srv);
  51         return NT_STATUS_OK;
  52 }
  53
  54
  55 /*
  56   initialise a server service
  57 */
  58 static NTSTATUS server_service_init(const char *name,
  59                                     struct tevent_context *event_context,
  60                                     struct loadparm_context *lp_ctx,
  61                                     const struct model_ops *model_ops,
  62                                     int from_parent_fd)
  63 {
  64         struct registered_server *srv;
  65         for (srv=registered_servers; srv; srv=srv->next) {
  66                 if (strcasecmp(name, srv->service_name) == 0) {
  67                         return task_server_startup(event_context, lp_ctx,
  68                                                    srv->service_name,
  69                                                    model_ops,
  70                                                    srv->service_details,
  71                                                    from_parent_fd);
  72                 }
  73         }
  74         return NT_STATUS_INVALID_SYSTEM_SERVICE;
  75 }
  76
  77
  78 /*
  79   startup all of our server services
  80 */
  81 NTSTATUS server_service_startup(struct tevent_context *event_ctx,
  82                                 struct loadparm_context *lp_ctx,
  83                                 const char *model, const char **server_services,
  84                                 int from_parent_fd)
  85 {
  86         int i;
  87         const struct model_ops *model_ops;
  88
  89         if (!server_services) {
  90                 DBG_ERR("server_service_startup: "
  91                         "no endpoint servers configured\n");
  92                 return NT_STATUS_INVALID_PARAMETER;
  93         }
  94
  95         model_ops = process_model_startup(model);
  96         if (!model_ops) {
  97                 DBG_ERR("process_model_startup('%s') failed\n", model);
  98                 return NT_STATUS_INTERNAL_ERROR;
  99         }
 100
 101         for (i=0;server_services[i];i++) {
 102                 NTSTATUS status;
 103
 104                 status = server_service_init(server_services[i], event_ctx,
 105                                              lp_ctx, model_ops, from_parent_fd);
 106                 if (!NT_STATUS_IS_OK(status)) {
 107                         DBG_ERR("Failed to start service '%s' - %s\n",
 108                                  server_services[i], nt_errstr(status));
 109                 }
 110                 NT_STATUS_NOT_OK_RETURN(status);
 111         }
 112
 113         return NT_STATUS_OK;
 114 }