2 * Copyright (c) 1997 - 2001 Kungliga Tekniska Högskolan
3 * (Royal Institute of Technology, Stockholm, Sweden).
6 * Redistribution and use in source and binary forms, with or without
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
22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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34 #include "spnegokrb5_locl.h"
41 gssapi_verify_mech_header(u_char **str,
45 size_t len, len_len, mech_len, foo;
50 return GSS_S_DEFECTIVE_TOKEN;
52 return GSS_S_DEFECTIVE_TOKEN;
53 e = der_get_length (p, total_len - 1, &len, &len_len);
54 if (e || 1 + len_len + len != total_len)
55 return GSS_S_DEFECTIVE_TOKEN;
58 return GSS_S_DEFECTIVE_TOKEN;
59 e = der_get_length (p, total_len - 1 - len_len - 1,
62 return GSS_S_DEFECTIVE_TOKEN;
64 if (mech_len != mech->length)
65 return GSS_S_BAD_MECH;
69 return GSS_S_BAD_MECH;
72 return GSS_S_COMPLETE;
76 * Remove the GSS-API wrapping from `in_token' giving `buf and buf_size'
77 * Does not copy data, so just free `in_token'.
81 gssapi_spnego_decapsulate(
82 OM_uint32 *minor_status,
83 gss_buffer_t input_token_buffer,
92 p = input_token_buffer->value;
93 ret = gssapi_verify_mech_header(&p,
94 input_token_buffer->length,
101 *buf_len = input_token_buffer->length -
102 (p - (u_char *)input_token_buffer->value);
104 return GSS_S_COMPLETE;