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/* #ident "@(#)g_imp_sec_context.c 1.2 96/01/18 SMI" */
/*
* Copyright 1996 by Sun Microsystems, Inc.
*
* Permission to use, copy, modify, distribute, and sell this software
* and its documentation for any purpose is hereby granted without fee,
* provided that the above copyright notice appears in all copies and
* that both that copyright notice and this permission notice appear in
* supporting documentation, and that the name of Sun Microsystems not be used
* in advertising or publicity pertaining to distribution of the software
* without specific, written prior permission. Sun Microsystems makes no
* representations about the suitability of this software for any
* purpose. It is provided "as is" without express or implied warranty.
*
* SUN MICROSYSTEMS DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
* EVENT SHALL SUN MICROSYSTEMS BE LIABLE FOR ANY SPECIAL, INDIRECT OR
* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF
* USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
* OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
* PERFORMANCE OF THIS SOFTWARE.
*/
/*
* glue routine gss_export_sec_context
*/
#include "mglueP.h"
#include <stdio.h>
#include <errno.h>
#ifdef HAVE_STDLIB_H
#include <stdlib.h>
#endif
#include <string.h>
OM_uint32 KRB5_CALLCONV
gss_import_sec_context(minor_status,
interprocess_token,
context_handle)
OM_uint32 * minor_status;
gss_buffer_t interprocess_token;
gss_ctx_id_t * context_handle;
{
size_t length;
OM_uint32 status;
char *p;
gss_union_ctx_id_t ctx;
gss_buffer_desc token;
gss_mechanism mech;
gss_initialize();
*minor_status = 0;
if (interprocess_token->length == 0 || interprocess_token->value == 0)
return (GSS_S_DEFECTIVE_TOKEN);
status = GSS_S_FAILURE;
ctx = (gss_union_ctx_id_t) malloc(sizeof(gss_union_ctx_id_desc));
if (!ctx) {
*minor_status = ENOMEM;
goto error_out;
}
ctx->mech_type = (gss_OID) malloc(sizeof(gss_OID_desc));
if (!ctx->mech_type) {
*minor_status = ENOMEM;
goto error_out;
}
p = interprocess_token->value;
length = *p++;
length = (length << 8) + *p++;
length = (length << 8) + *p++;
length = (length << 8) + *p++;
ctx->mech_type->length = length;
ctx->mech_type->elements = malloc(length);
if (!ctx->mech_type->elements) {
*minor_status = ENOMEM;
goto error_out;
}
memcpy(ctx->mech_type->elements, p, length);
p += length;
token.length = interprocess_token->length - 4 - length;
token.value = p;
/*
* select the approprate underlying mechanism routine and
* call it.
*/
mech = __gss_get_mechanism (ctx->mech_type);
if (!mech) {
status = GSS_S_BAD_MECH;
goto error_out;
}
if (!mech->gss_import_sec_context) {
status = GSS_S_BAD_BINDINGS;
goto error_out;
}
status = mech->gss_import_sec_context(mech->context, minor_status,
&token, &ctx->internal_ctx_id);
if (status == GSS_S_COMPLETE) {
*context_handle = ctx;
return (GSS_S_COMPLETE);
}
error_out:
if (ctx) {
if (ctx->mech_type) {
if (ctx->mech_type->elements)
free(ctx->mech_type->elements);
free(ctx->mech_type);
}
free(ctx);
}
return status;
}
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