2 Unix SMB/CIFS implementation.
6 Copyright (C) Andrew Tridgell 2001
7 Copyright (C) Jim McDonough <jmcd@us.ibm.com> 2002
8 Copyright (C) Luke Howard 2003
10 This program is free software; you can redistribute it and/or modify
11 it under the terms of the GNU General Public License as published by
12 the Free Software Foundation; either version 2 of the License, or
13 (at your option) any later version.
15 This program is distributed in the hope that it will be useful,
16 but WITHOUT ANY WARRANTY; without even the implied warranty of
17 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 GNU General Public License for more details.
20 You should have received a copy of the GNU General Public License
21 along with this program; if not, write to the Free Software
22 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
26 #include "libcli/util/asn_1.h"
27 #include "auth/gensec/gensec.h"
30 generate a krb5 GSS-API wrapper packet given a ticket
32 DATA_BLOB gensec_gssapi_gen_krb5_wrap(TALLOC_CTX *mem_ctx, const DATA_BLOB *ticket, const uint8_t tok_id[2])
34 struct asn1_data *data;
37 if (!data || !ticket->data) {
38 return data_blob(NULL,0);
41 data = asn1_init(mem_ctx);
43 return data_blob(NULL,0);
46 asn1_push_tag(data, ASN1_APPLICATION(0));
47 asn1_write_OID(data, GENSEC_OID_KERBEROS5);
49 asn1_write(data, tok_id, 2);
50 asn1_write(data, ticket->data, ticket->length);
53 if (data->has_error) {
54 DEBUG(1,("Failed to build krb5 wrapper at offset %d\n", (int)data->ofs));
56 return data_blob(NULL,0);
59 ret = data_blob_talloc(mem_ctx, data->data, data->length);
66 parse a krb5 GSS-API wrapper packet giving a ticket
68 BOOL gensec_gssapi_parse_krb5_wrap(TALLOC_CTX *mem_ctx, const DATA_BLOB *blob, DATA_BLOB *ticket, uint8_t tok_id[2])
71 struct asn1_data *data = asn1_init(mem_ctx);
78 asn1_load(data, *blob);
79 asn1_start_tag(data, ASN1_APPLICATION(0));
80 asn1_check_OID(data, GENSEC_OID_KERBEROS5);
82 data_remaining = asn1_tag_remaining(data);
84 if (data_remaining < 3) {
85 data->has_error = True;
87 asn1_read(data, tok_id, 2);
89 *ticket = data_blob_talloc(mem_ctx, NULL, data_remaining);
90 asn1_read(data, ticket->data, ticket->length);
95 ret = !data->has_error;
104 check a GSS-API wrapper packet givin an expected OID
106 BOOL gensec_gssapi_check_oid(const DATA_BLOB *blob, const char *oid)
109 struct asn1_data *data = asn1_init(NULL);
111 if (!data) return False;
113 asn1_load(data, *blob);
114 asn1_start_tag(data, ASN1_APPLICATION(0));
115 asn1_check_OID(data, oid);
117 ret = !data->has_error;