source4/smb_server/service_smb.c

   1 /*
   2    Unix SMB/CIFS implementation.
   3    process incoming packets - main loop
   4    Copyright (C) Andrew Tridgell        2004-2005
   5    Copyright (C) Stefan Metzmacher      2004-2005
   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 "includes.h"
  22 #include "smbd/service_task.h"
  23 #include "smbd/service_stream.h"
  24 #include "smbd/service.h"
  25 #include "smb_server/smb_server.h"
  26 #include "smb_server/service_smb_proto.h"
  27 #include "lib/messaging/irpc.h"
  28 #include "lib/stream/packet.h"
  29 #include "libcli/smb2/smb2.h"
  30 #include "smb_server/smb2/smb2_server.h"
  31 #include "system/network.h"
  32 #include "lib/socket/netif.h"
  33 #include "param/share.h"
  34 #include "dsdb/samdb/samdb.h"
  35 #include "param/param.h"
  36 #include "ntvfs/ntvfs.h"
  37 #include "lib/cmdline/popt_common.h"
  38 /*
  39   open the smb server sockets
  40 */
  41 static NTSTATUS smbsrv_task_init(struct task_server *task)
  42 {
  43         NTSTATUS status = NT_STATUS_UNSUCCESSFUL;
  44
  45         task_server_set_title(task, "task[smbsrv]");
  46
  47         if (lpcfg_interfaces(task->lp_ctx) && lpcfg_bind_interfaces_only(task->lp_ctx)) {
  48                 int num_interfaces;
  49                 int i;
  50                 struct interface *ifaces;
  51
  52                 load_interface_list(task, task->lp_ctx, &ifaces);
  53
  54                 num_interfaces = iface_list_count(ifaces);
  55
  56                 /* We have been given an interfaces line, and been
  57                    told to only bind to those interfaces. Create a
  58                    socket per interface and bind to only these.
  59                 */
  60                 for(i = 0; i < num_interfaces; i++) {
  61                         const char *address = iface_list_n_ip(ifaces, i);
  62                         status = smbsrv_add_socket(task, task->event_ctx,
  63                                                    task->lp_ctx,
  64                                                    task->model_ops,
  65                                                    address,
  66                                                    task->process_context);
  67                         if (!NT_STATUS_IS_OK(status)) goto failed;
  68                 }
  69         } else {
  70                 char **wcard;
  71                 int i;
  72                 wcard = iface_list_wildcard(task);
  73                 if (wcard == NULL) {
  74                         DEBUG(0,("No wildcard addresses available\n"));
  75                         status = NT_STATUS_UNSUCCESSFUL;
  76                         goto failed;
  77                 }
  78                 for (i=0; wcard[i]; i++) {
  79                         status = smbsrv_add_socket(task, task->event_ctx,
  80                                                    task->lp_ctx,
  81                                                    task->model_ops,
  82                                                    wcard[i],
  83                                                    task->process_context);
  84                         if (!NT_STATUS_IS_OK(status)) goto failed;
  85                 }
  86                 talloc_free(wcard);
  87         }
  88
  89         irpc_add_name(task->msg_ctx, "smb_server");
  90         return NT_STATUS_OK;
  91 failed:
  92         task_server_terminate(task, "Failed to startup smb server task", true);
  93         return status;
  94 }
  95
  96 /* called at smbd startup - register ourselves as a server service */
  97 NTSTATUS server_service_smb_init(TALLOC_CTX *ctx)
  98 {
  99         static const struct service_details details = {
 100                 .inhibit_fork_on_accept = true,
 101                 .inhibit_pre_fork = true,
 102                 .task_init = smbsrv_task_init,
 103                 .post_fork = NULL
 104         };
 105         ntvfs_init(cmdline_lp_ctx);
 106         share_init();
 107         return register_server_service(ctx, "smb", &details);
 108 }