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/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (the "License").
* You may not use this file except in compliance with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright (c) 1999, 2010, Oracle and/or its affiliates. All rights reserved.
*/
/*
* routine gss_canonicalize_name
*
* This routine is used to produce a mechanism specific
* representation of name that has been previously
* imported with gss_import_name. The routine uses the mechanism
* specific implementation of gss_import_name to implement this
* function.
*
* We allow a NULL output_name, in which case we modify the
* input_name to include the mechanism specific name.
*/
#include <mechglueP.h>
#include "gssapiP_generic.h"
#ifdef HAVE_STDLIB_H
#include <stdlib.h>
#endif
#include <string.h>
#include <errno.h>
#include <syslog.h>
static OM_uint32 val_canon_name_args(
OM_uint32 *minor_status,
const gss_name_t input_name,
const gss_OID mech_type,
gss_name_t *output_name)
{
/* Initialize outputs. */
if (minor_status != NULL)
*minor_status = 0;
if (output_name != NULL)
*output_name = GSS_C_NO_NAME;
/* Validate arguments. */
if (minor_status == NULL)
return (GSS_S_CALL_INACCESSIBLE_WRITE);
if (input_name == GSS_C_NO_NAME || mech_type == GSS_C_NULL_OID)
return (GSS_S_CALL_INACCESSIBLE_READ);
return (GSS_S_COMPLETE);
}
OM_uint32
gss_canonicalize_name(minor_status,
input_name,
mech_type,
output_name)
OM_uint32 *minor_status;
const gss_name_t input_name;
const gss_OID mech_type;
gss_name_t *output_name;
{
gss_union_name_t in_union, out_union = NULL, dest_union = NULL;
OM_uint32 major_status = GSS_S_FAILURE;
/* Solaris Kerberos - need to preserve more important minor_status */
OM_uint32 tmp_status = 0;
major_status = val_canon_name_args(minor_status,
input_name,
mech_type,
output_name);
if (major_status != GSS_S_COMPLETE)
return (major_status);
/* Initial value needed below. */
major_status = GSS_S_FAILURE;
in_union = (gss_union_name_t)input_name;
/*
* If the caller wants to reuse the name, and the name has already
* been converted, then there is nothing for us to do.
*/
if (!output_name && in_union->mech_type &&
g_OID_equal(in_union->mech_type, mech_type))
return (GSS_S_COMPLETE);
/* ok, then we need to do something - start by creating data struct */
if (output_name) {
out_union =
(gss_union_name_t)malloc(sizeof (gss_union_name_desc));
if (!out_union)
goto allocation_failure;
out_union->mech_type = 0;
out_union->mech_name = 0;
out_union->name_type = 0;
out_union->external_name = 0;
/* Allocate the buffer for the user specified representation */
if (gssint_create_copy_buffer(in_union->external_name,
&out_union->external_name, 1))
goto allocation_failure;
if (in_union->name_type != GSS_C_NULL_OID) {
major_status = generic_gss_copy_oid(minor_status,
in_union->name_type,
&out_union->name_type);
if (major_status) {
map_errcode(minor_status);
goto allocation_failure;
}
}
}
/*
* might need to delete any old mechanism names if we are
* reusing the buffer.
*/
if (!output_name) {
if (in_union->mech_type) {
(void) __gss_release_internal_name(minor_status,
in_union->mech_type,
&in_union->mech_name);
(void) gss_release_oid(minor_status,
&in_union->mech_type);
in_union->mech_type = 0;
}
dest_union = in_union;
} else
dest_union = out_union;
/* now let's create the new mech name */
if (major_status = generic_gss_copy_oid(minor_status, mech_type,
&dest_union->mech_type)) {
map_errcode(minor_status);
goto allocation_failure;
}
if (major_status =
__gss_import_internal_name(minor_status, mech_type,
dest_union,
&dest_union->mech_name))
goto allocation_failure;
if (output_name)
*output_name = (gss_name_t)dest_union;
return (GSS_S_COMPLETE);
/* Solaris Kerberos - note some fails are not "allocation fails". Sigh. */
allocation_failure:
/* do not delete the src name external name format */
if (output_name) {
if (out_union->external_name) {
if (out_union->external_name->value)
free(out_union->external_name->value);
free(out_union->external_name);
}
if (out_union->name_type)
(void) gss_release_oid(&tmp_status,
&out_union->name_type);
dest_union = out_union;
} else
dest_union = in_union;
/*
* delete the partially created mech specific name
* applies for both src and dest which ever is being used for output
*/
if (dest_union->mech_name) {
(void) __gss_release_internal_name(&tmp_status,
dest_union->mech_type,
&dest_union->mech_name);
}
if (dest_union->mech_type)
(void) gss_release_oid(&tmp_status, &dest_union->mech_type);
if (output_name)
free(out_union);
return (major_status);
} /********** gss_canonicalize_name ********/
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