source4/libcli/resolve/host.c

   1 /*
   2    Unix SMB/CIFS implementation.
   3
   4    async "host" name resolution module
   5
   6    Copyright (C) Andrew Tridgell 2005
   7    Copyright (C) Stefan Metzmacher 2008
   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/events/events.h"
  25 #include "system/network.h"
  26 #include "system/filesys.h"
  27 #include "lib/socket/socket.h"
  28 #include "libcli/composite/composite.h"
  29 #include "librpc/gen_ndr/ndr_nbt.h"
  30 #include "libcli/resolve/resolve.h"
  31
  32 /*
  33   getaddrinfo() (with fallback to dns_lookup()) name resolution method - async send
  34  */
  35 struct composite_context *resolve_name_host_send(TALLOC_CTX *mem_ctx,
  36                                                  struct tevent_context *event_ctx,
  37                                                  void *privdata, uint32_t flags,
  38                                                  uint16_t port,
  39                                                  struct nbt_name *name)
  40 {
  41         return resolve_name_dns_ex_send(mem_ctx, event_ctx, NULL, flags,
  42                                         port, name, true);
  43 }
  44
  45 /*
  46   getaddrinfo() (with fallback to dns_lookup()) name resolution method - recv side
  47 */
  48 NTSTATUS resolve_name_host_recv(struct composite_context *c,
  49                                 TALLOC_CTX *mem_ctx,
  50                                 struct socket_address ***addrs,
  51                                 char ***names)
  52 {
  53         return resolve_name_dns_ex_recv(c, mem_ctx, addrs, names);
  54 }
  55
  56 bool resolve_context_add_host_method(struct resolve_context *ctx)
  57 {
  58         return resolve_context_add_method(ctx, resolve_name_host_send, resolve_name_host_recv,
  59                                           NULL);
  60 }