2 * Copyright (c) 1997 - 2003 Kungliga Tekniska Högskolan
3 * (Royal Institute of Technology, Stockholm, Sweden).
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7 * modification, are permitted provided that the following conditions
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
17 * 3. Neither the name of the Institute nor the names of its contributors
18 * may be used to endorse or promote products derived from this software
19 * without specific prior written permission.
21 * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
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23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
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34 #include "gsskrb5_locl.h"
37 _gssapi_encap_length (size_t data_len,
44 *len = 1 + 1 + mech->length + data_len;
46 len_len = der_length_len(*len);
48 *total_len = 1 + len_len + *len;
52 _gsskrb5_encap_length (size_t data_len,
57 _gssapi_encap_length(data_len + 2, len, total_len, mech);
61 _gsskrb5_make_header (void *ptr,
67 p = _gssapi_make_mech_header(p, len, mech);
74 _gssapi_make_mech_header(void *ptr,
83 len_len = der_length_len(len);
84 e = der_put_length (p + len_len - 1, len_len, len, &foo);
85 if(e || foo != len_len)
90 memcpy (p, mech->elements, mech->length);
96 * Give it a krb5_data and it will encapsulate with extra GSS-API wrappings.
101 OM_uint32 *minor_status,
102 const krb5_data *in_data,
103 gss_buffer_t output_token,
107 size_t len, outer_len;
110 _gssapi_encap_length (in_data->length, &len, &outer_len, mech);
112 output_token->length = outer_len;
113 output_token->value = malloc (outer_len);
114 if (output_token->value == NULL) {
115 *minor_status = ENOMEM;
116 return GSS_S_FAILURE;
119 p = _gssapi_make_mech_header (output_token->value, len, mech);
120 memcpy (p, in_data->data, in_data->length);
121 return GSS_S_COMPLETE;
125 * Give it a krb5_data and it will encapsulate with extra GSS-API krb5
130 _gsskrb5_encapsulate(
131 OM_uint32 *minor_status,
132 const krb5_data *in_data,
133 gss_buffer_t output_token,
138 size_t len, outer_len;
141 _gsskrb5_encap_length (in_data->length, &len, &outer_len, mech);
143 output_token->length = outer_len;
144 output_token->value = malloc (outer_len);
145 if (output_token->value == NULL) {
146 *minor_status = ENOMEM;
147 return GSS_S_FAILURE;
150 p = _gsskrb5_make_header (output_token->value, len, type, mech);
151 memcpy (p, in_data->data, in_data->length);
152 return GSS_S_COMPLETE;