source: vendor/3.5.4/source4/libcli/dgram/browse.c

Last change on this file was 414, checked in by Herwig Bauernfeind, 16 years ago

Samba 3.5.0: Initial import
File size: 3.5 KB
Line 
1/*
2 Unix SMB/CIFS implementation.
3
4 handling for browsing dgram requests
5
6 Copyright (C) Jelmer Vernooij 2005
7 Heavily based on ntlogon.c
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 "libcli/dgram/libdgram.h"
25#include "lib/socket/socket.h"
26#include "libcli/resolve/resolve.h"
27#include "librpc/gen_ndr/ndr_nbt.h"
28#include "param/param.h"
29
30NTSTATUS dgram_mailslot_browse_send(struct nbt_dgram_socket *dgmsock,
31 struct nbt_name *dest_name,
32 struct socket_address *dest,
33 struct nbt_name *src_name,
34 struct nbt_browse_packet *request)
35{
36 NTSTATUS status;
37 enum ndr_err_code ndr_err;
38 DATA_BLOB blob;
39 TALLOC_CTX *tmp_ctx = talloc_new(dgmsock);
40
41 ndr_err = ndr_push_struct_blob(&blob, tmp_ctx, dgmsock->iconv_convenience, request,
42 (ndr_push_flags_fn_t)ndr_push_nbt_browse_packet);
43 if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
44 talloc_free(tmp_ctx);
45 return ndr_map_error2ntstatus(ndr_err);
46 }
47
48 status = dgram_mailslot_send(dgmsock, DGRAM_DIRECT_UNIQUE,
49 NBT_MAILSLOT_BROWSE,
50 dest_name, dest,
51 src_name, &blob);
52 talloc_free(tmp_ctx);
53 return status;
54}
55
56NTSTATUS dgram_mailslot_browse_reply(struct nbt_dgram_socket *dgmsock,
57 struct nbt_dgram_packet *request,
58 const char *mailslot_name,
59 const char *my_netbios_name,
60 struct nbt_browse_packet *reply)
61{
62 NTSTATUS status;
63 enum ndr_err_code ndr_err;
64 DATA_BLOB blob;
65 TALLOC_CTX *tmp_ctx = talloc_new(dgmsock);
66 struct nbt_name myname;
67 struct socket_address *dest;
68
69 ndr_err = ndr_push_struct_blob(&blob, tmp_ctx, dgmsock->iconv_convenience, reply,
70 (ndr_push_flags_fn_t)ndr_push_nbt_browse_packet);
71 if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
72 talloc_free(tmp_ctx);
73 return ndr_map_error2ntstatus(ndr_err);
74 }
75
76 make_nbt_name_client(&myname, my_netbios_name);
77
78 dest = socket_address_from_strings(tmp_ctx, dgmsock->sock->backend_name,
79 request->src_addr, request->src_port);
80 if (!dest) {
81 talloc_free(tmp_ctx);
82 return NT_STATUS_NO_MEMORY;
83 }
84
85 status = dgram_mailslot_send(dgmsock, DGRAM_DIRECT_UNIQUE,
86 mailslot_name,
87 &request->data.msg.source_name,
88 dest,
89 &myname, &blob);
90 talloc_free(tmp_ctx);
91 return status;
92}
93
94NTSTATUS dgram_mailslot_browse_parse(struct dgram_mailslot_handler *dgmslot,
95 TALLOC_CTX *mem_ctx,
96 struct nbt_dgram_packet *dgram,
97 struct nbt_browse_packet *pkt)
98{
99 DATA_BLOB data = dgram_mailslot_data(dgram);
100 enum ndr_err_code ndr_err;
101
102 ndr_err = ndr_pull_struct_blob(&data, mem_ctx, dgmslot->dgmsock->iconv_convenience, pkt,
103 (ndr_pull_flags_fn_t)ndr_pull_nbt_browse_packet);
104 if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
105 NTSTATUS status = ndr_map_error2ntstatus(ndr_err);
106 DEBUG(0,("Failed to parse browse packet of length %d: %s\n",
107 (int)data.length, nt_errstr(status)));
108 if (DEBUGLVL(10)) {
109 file_save("browse.dat", data.data, data.length);
110 }
111 return status;
112 }
113 return NT_STATUS_OK;
114}
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