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 "samba/service_task.h"
  23 #include "samba/service_stream.h"
  24 #include "samba/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/cmdline.h"
  38
  39 /*
  40   open the smb server sockets
  41 */
  42 static NTSTATUS smbsrv_task_init(struct task_server *task)
  43 {
  44         NTSTATUS status = NT_STATUS_UNSUCCESSFUL;
  45
  46         task_server_set_title(task, "task[smbsrv]");
  47
  48         if (lpcfg_interfaces(task->lp_ctx) && lpcfg_bind_interfaces_only(task->lp_ctx)) {
  49                 int num_interfaces;
  50                 int i;
  51                 struct interface *ifaces;
  52
  53                 load_interface_list(task, task->lp_ctx, &ifaces);
  54
  55                 num_interfaces = iface_list_count(ifaces);
  56
  57                 /* We have been given an interfaces line, and been
  58                    told to only bind to those interfaces. Create a
  59                    socket per interface and bind to only these.
  60                 */
  61                 for(i = 0; i < num_interfaces; i++) {
  62                         const char *address = iface_list_n_ip(ifaces, i);
  63                         status = smbsrv_add_socket(task, task->event_ctx,
  64                                                    task->lp_ctx,
  65                                                    task->model_ops,
  66                                                    address,
  67                                                    task->process_context);
  68                         if (!NT_STATUS_IS_OK(status)) goto failed;
  69                 }
  70         } else {
  71                 char **wcard;
  72                 int i;
  73                 wcard = iface_list_wildcard(task);
  74                 if (wcard == NULL) {
  75                         DEBUG(0,("No wildcard addresses available\n"));
  76                         status = NT_STATUS_UNSUCCESSFUL;
  77                         goto failed;
  78                 }
  79                 for (i=0; wcard[i]; i++) {
  80                         status = smbsrv_add_socket(task, task->event_ctx,
  81                                                    task->lp_ctx,
  82                                                    task->model_ops,
  83                                                    wcard[i],
  84                                                    task->process_context);
  85                         if (!NT_STATUS_IS_OK(status)) goto failed;
  86                 }
  87                 talloc_free(wcard);
  88         }
  89
  90         irpc_add_name(task->msg_ctx, "smb_server");
  91         return NT_STATUS_OK;
  92 failed:
  93         task_server_terminate(task, "Failed to startup smb server task", true);
  94         return status;
  95 }
  96
  97 /* called at smbd startup - register ourselves as a server service */
  98 NTSTATUS server_service_smb_init(TALLOC_CTX *ctx)
  99 {
 100         struct loadparm_context *lp_ctx = samba_cmdline_get_lp_ctx();
 101         static const struct service_details details = {
 102                 .inhibit_fork_on_accept = true,
 103                 .inhibit_pre_fork = true,
 104                 .task_init = smbsrv_task_init,
 105                 .post_fork = NULL
 106         };
 107         ntvfs_init(lp_ctx);
 108         share_init();
 109         return register_server_service(ctx, "smb", &details);
 110 }