Fix bug #9213 - Bad ASN.1 NegTokenInit packet can cause invalid free.
[Samba/gebeck_regimport.git] / librpc / ndr / ndr_schannel.c
blob9bbc628a29436cc58a43f94e5d244dfac339353c
1 /*
2 Unix SMB/CIFS implementation.
4 routines for marshalling/unmarshalling special schannel structures
6 Copyright (C) Guenther Deschner 2009
8 This program is free software; you can redistribute it and/or modify
9 it under the terms of the GNU General Public License as published by
10 the Free Software Foundation; either version 3 of the License, or
11 (at your option) any later version.
13 This program is distributed in the hope that it will be useful,
14 but WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 GNU General Public License for more details.
18 You should have received a copy of the GNU General Public License
19 along with this program. If not, see <http://www.gnu.org/licenses/>.
22 #include "includes.h"
23 #include "../librpc/gen_ndr/ndr_schannel.h"
24 #include "../librpc/ndr/ndr_schannel.h"
25 #include "../libcli/nbt/libnbt.h"
27 _PUBLIC_ void ndr_print_NL_AUTH_MESSAGE_BUFFER(struct ndr_print *ndr, const char *name, const union NL_AUTH_MESSAGE_BUFFER *r)
29 int level;
30 level = ndr_print_get_switch_value(ndr, r);
31 switch (level) {
32 case NL_FLAG_OEM_NETBIOS_DOMAIN_NAME:
33 ndr_print_string(ndr, name, r->a);
34 break;
36 case NL_FLAG_OEM_NETBIOS_COMPUTER_NAME:
37 ndr_print_string(ndr, name, r->a);
38 break;
40 case NL_FLAG_UTF8_DNS_DOMAIN_NAME:
41 ndr_print_nbt_string(ndr, name, r->u);
42 break;
44 case NL_FLAG_UTF8_DNS_HOST_NAME:
45 ndr_print_nbt_string(ndr, name, r->u);
46 break;
48 case NL_FLAG_UTF8_NETBIOS_COMPUTER_NAME:
49 ndr_print_nbt_string(ndr, name, r->u);
50 break;
52 default:
53 break;
58 _PUBLIC_ void ndr_print_NL_AUTH_MESSAGE_BUFFER_REPLY(struct ndr_print *ndr, const char *name, const union NL_AUTH_MESSAGE_BUFFER_REPLY *r)
60 int level;
61 level = ndr_print_get_switch_value(ndr, r);
62 switch (level) {
63 case NL_NEGOTIATE_RESPONSE:
64 ndr_print_uint32(ndr, name, r->dummy);
65 break;
67 default:
68 break;
73 void dump_NL_AUTH_SIGNATURE(TALLOC_CTX *mem_ctx,
74 const DATA_BLOB *blob)
76 enum ndr_err_code ndr_err;
77 uint16_t signature_algorithm;
79 if (blob->length < 2) {
80 return;
83 signature_algorithm = SVAL(blob->data, 0);
85 switch (signature_algorithm) {
86 case NL_SIGN_HMAC_MD5: {
87 struct NL_AUTH_SIGNATURE r;
88 ndr_err = ndr_pull_struct_blob(blob, mem_ctx, &r,
89 (ndr_pull_flags_fn_t)ndr_pull_NL_AUTH_SIGNATURE);
90 if (NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
91 NDR_PRINT_DEBUG(NL_AUTH_SIGNATURE, &r);
93 break;
95 case NL_SIGN_HMAC_SHA256: {
96 struct NL_AUTH_SHA2_SIGNATURE r;
97 ndr_err = ndr_pull_struct_blob(blob, mem_ctx, &r,
98 (ndr_pull_flags_fn_t)ndr_pull_NL_AUTH_SHA2_SIGNATURE);
99 if (NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
100 NDR_PRINT_DEBUG(NL_AUTH_SHA2_SIGNATURE, &r);
102 break;
104 default:
105 break;