Files
heimdal/lib/gssapi/krb5/decapsulate.c
Assar Westerlund 16f56ac4cd new files
git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@1579 ec53bebd-3082-4978-b11e-865c3cabbd6b
1997-04-13 22:18:46 +00:00

37 lines
846 B
C

#include "gssapi_locl.h"
RCSID("$Id$");
/*
* Remove the GSS-API wrapping from `in_token' giving `out_data.
* Does not copy data, so just free `in_token'.
*/
OM_uint32
gssapi_krb5_decapsulate(
gss_buffer_t input_token_buffer,
krb5_data *out_data,
u_char *type
)
{
u_char *p;
size_t len;
p = input_token_buffer->value;
len = GSS_KRB5_MECHANISM->length + 6;
if (
input_token_buffer->length < len
|| memcmp (p, "\x60\x07\x06\x05", 4) != 0
|| memcmp (p + 4, GSS_KRB5_MECHANISM->elements,
GSS_KRB5_MECHANISM->length) != 0)
return GSS_S_BAD_MECH;
if (memcmp (p + 4 + GSS_KRB5_MECHANISM->length,
type, 2) != 0)
return GSS_S_DEFECTIVE_TOKEN;
out_data->length = input_token_buffer->length - len;
out_data->data = (u_char *)input_token_buffer->value + len;
return GSS_S_COMPLETE;
}