71f0f86105
that. fix the callers. git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@8997 ec53bebd-3082-4978-b11e-865c3cabbd6b
100 lines
3.0 KiB
C
100 lines
3.0 KiB
C
/*
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* Copyright (c) 1997 - 2000 Kungliga Tekniska Högskolan
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* (Royal Institute of Technology, Stockholm, Sweden).
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* 3. Neither the name of the Institute nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include "gssapi_locl.h"
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RCSID("$Id$");
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void
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gssapi_krb5_encap_length (size_t data_len,
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size_t *len,
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size_t *total_len)
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{
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size_t len_len;
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*len = 1 + 1 + GSS_KRB5_MECHANISM->length + 2 + data_len;
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len_len = length_len(*len);
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*total_len = 1 + len_len + *len;
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}
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u_char *
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gssapi_krb5_make_header (u_char *p,
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size_t len,
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u_char *type)
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{
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int e;
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size_t len_len, foo;
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*p++ = 0x60;
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len_len = length_len(len);
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e = der_put_length (p + len_len - 1, len_len, len, &foo);
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if(e || foo != len_len)
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abort ();
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p += len_len;
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*p++ = 0x06;
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*p++ = GSS_KRB5_MECHANISM->length;
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memcpy (p, GSS_KRB5_MECHANISM->elements, GSS_KRB5_MECHANISM->length);
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p += GSS_KRB5_MECHANISM->length;
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memcpy (p, type, 2);
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p += 2;
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return p;
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}
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/*
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* Give it a krb5_data and it will encapsulate with extra GSS-API wrappings.
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*/
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OM_uint32
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gssapi_krb5_encapsulate(
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const krb5_data *in_data,
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gss_buffer_t output_token,
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u_char *type
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)
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{
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size_t len, outer_len;
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u_char *p;
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gssapi_krb5_encap_length (in_data->length, &len, &outer_len);
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output_token->length = outer_len;
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output_token->value = malloc (outer_len);
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if (output_token->value == NULL)
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return GSS_S_FAILURE;
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p = gssapi_krb5_make_header (output_token->value, len, type);
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memcpy (p, in_data->data, in_data->length);
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return GSS_S_COMPLETE;
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}
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