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author | markm <markm@FreeBSD.org> | 2000-01-09 20:58:00 +0000 |
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committer | markm <markm@FreeBSD.org> | 2000-01-09 20:58:00 +0000 |
commit | 5f68254a360fdb4f3ebc30f6ad6507556425dd0a (patch) | |
tree | a96b9cd24173c10bba3fd7e2acf5d68e5bb0773e /crypto/heimdal/lib/gssapi/encapsulate.c | |
parent | d88c9767e1793993cc2242ccfb9a8ba002a061c6 (diff) | |
parent | 4ecbd6db44d79348bc815f31096e53104f50838b (diff) | |
download | FreeBSD-src-5f68254a360fdb4f3ebc30f6ad6507556425dd0a.zip FreeBSD-src-5f68254a360fdb4f3ebc30f6ad6507556425dd0a.tar.gz |
This commit was generated by cvs2svn to compensate for changes in r55682,
which included commits to RCS files with non-trunk default branches.
Diffstat (limited to 'crypto/heimdal/lib/gssapi/encapsulate.c')
-rw-r--r-- | crypto/heimdal/lib/gssapi/encapsulate.c | 100 |
1 files changed, 100 insertions, 0 deletions
diff --git a/crypto/heimdal/lib/gssapi/encapsulate.c b/crypto/heimdal/lib/gssapi/encapsulate.c new file mode 100644 index 0000000..1b8636bc --- /dev/null +++ b/crypto/heimdal/lib/gssapi/encapsulate.c @@ -0,0 +1,100 @@ +/* + * Copyright (c) 1997 Kungliga Tekniska Högskolan + * (Royal Institute of Technology, Stockholm, Sweden). + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * 3. Neither the name of the Institute nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#include "gssapi_locl.h" + +RCSID("$Id: encapsulate.c,v 1.4 1999/12/02 17:05:03 joda Exp $"); + +void +gssapi_krb5_encap_length (size_t data_len, + size_t *len, + size_t *total_len) +{ + size_t len_len; + + *len = 1 + 1 + GSS_KRB5_MECHANISM->length + 2 + data_len; + + len_len = length_len(*len); + + *total_len = 1 + len_len + *len; +} + +u_char * +gssapi_krb5_make_header (u_char *p, + size_t len, + u_char *type) +{ + int e; + size_t len_len, foo; + + *p++ = 0x60; + len_len = length_len(len); + e = der_put_length (p + len_len - 1, len_len, len, &foo); + if(e || foo != len_len) + abort (); + p += len_len; + *p++ = 0x06; + *p++ = GSS_KRB5_MECHANISM->length; + memcpy (p, GSS_KRB5_MECHANISM->elements, GSS_KRB5_MECHANISM->length); + p += GSS_KRB5_MECHANISM->length; + memcpy (p, type, 2); + p += 2; + return p; +} + +/* + * Give it a krb5_data and it will encapsulate with extra GSS-API wrappings. + */ + +OM_uint32 +gssapi_krb5_encapsulate( + krb5_data *in_data, + gss_buffer_t output_token, + u_char *type +) +{ + size_t len, outer_len; + u_char *p; + + gssapi_krb5_encap_length (in_data->length, &len, &outer_len); + + output_token->length = outer_len; + output_token->value = malloc (outer_len); + if (output_token->value == NULL) + return GSS_S_FAILURE; + + p = gssapi_krb5_make_header (output_token->value, len, type); + memcpy (p, in_data->data, in_data->length); + krb5_data_free (in_data); + return GSS_S_COMPLETE; +} |