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/*
* Copyright 2004 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
/* #pragma ident "@(#)g_store_cred.c 1.2 04/04/05 SMI" */
/*
* glue routine for gss_store_cred
*/
#include <mglueP.h>
static OM_uint32
store_cred_fallback(
OM_uint32 *minor_status,
gss_mechanism mech,
gss_cred_id_t mech_cred,
gss_cred_usage_t cred_usage,
gss_OID desired_mech,
OM_uint32 overwrite_cred,
OM_uint32 default_cred,
gss_const_key_value_set_t cred_store,
gss_OID_set *elements_stored,
gss_cred_usage_t *cred_usage_stored)
{
if (mech->gss_store_cred_into != NULL) {
return mech->gss_store_cred_into(minor_status, mech_cred,
cred_usage, desired_mech,
overwrite_cred, default_cred,
cred_store, elements_stored,
cred_usage_stored);
} else if (cred_store == GSS_C_NO_CRED_STORE) {
return mech->gss_store_cred(minor_status, mech_cred,
cred_usage, desired_mech,
overwrite_cred, default_cred,
elements_stored,
cred_usage_stored);
} else {
return GSS_S_UNAVAILABLE;
}
}
static OM_uint32
val_store_cred_args(
OM_uint32 *minor_status,
const gss_cred_id_t input_cred_handle,
gss_cred_usage_t cred_usage,
const gss_OID desired_mech,
OM_uint32 overwrite_cred,
OM_uint32 default_cred,
gss_const_key_value_set_t cred_store,
gss_OID_set *elements_stored,
gss_cred_usage_t *cred_usage_stored)
{
/* Initialize outputs. */
if (minor_status != NULL)
*minor_status = 0;
if (elements_stored != NULL)
*elements_stored = GSS_C_NULL_OID_SET;
/* Validate arguments. */
if (minor_status == NULL)
return (GSS_S_CALL_INACCESSIBLE_WRITE);
if (input_cred_handle == GSS_C_NO_CREDENTIAL)
return (GSS_S_CALL_INACCESSIBLE_READ | GSS_S_NO_CRED);
if (cred_usage != GSS_C_ACCEPT
&& cred_usage != GSS_C_INITIATE
&& cred_usage != GSS_C_BOTH) {
if (minor_status) {
*minor_status = EINVAL;
map_errcode(minor_status);
}
return GSS_S_FAILURE;
}
if (cred_store != NULL && cred_store->count == 0) {
*minor_status = EINVAL;
map_errcode(minor_status);
return GSS_S_FAILURE;
}
return (GSS_S_COMPLETE);
}
OM_uint32 KRB5_CALLCONV
gss_store_cred(minor_status,
input_cred_handle,
cred_usage,
desired_mech,
overwrite_cred,
default_cred,
elements_stored,
cred_usage_stored)
OM_uint32 *minor_status;
gss_cred_id_t input_cred_handle;
gss_cred_usage_t cred_usage;
const gss_OID desired_mech;
OM_uint32 overwrite_cred;
OM_uint32 default_cred;
gss_OID_set *elements_stored;
gss_cred_usage_t *cred_usage_stored;
{
return gss_store_cred_into(minor_status, input_cred_handle, cred_usage,
desired_mech, overwrite_cred, default_cred,
GSS_C_NO_CRED_STORE, elements_stored,
cred_usage_stored);
}
OM_uint32 KRB5_CALLCONV
gss_store_cred_into(minor_status,
input_cred_handle,
cred_usage,
desired_mech,
overwrite_cred,
default_cred,
cred_store,
elements_stored,
cred_usage_stored)
OM_uint32 *minor_status;
gss_cred_id_t input_cred_handle;
gss_cred_usage_t cred_usage;
gss_OID desired_mech;
OM_uint32 overwrite_cred;
OM_uint32 default_cred;
gss_const_key_value_set_t cred_store;
gss_OID_set *elements_stored;
gss_cred_usage_t *cred_usage_stored;
{
OM_uint32 major_status = GSS_S_FAILURE;
gss_union_cred_t union_cred;
gss_cred_id_t mech_cred;
gss_mechanism mech;
gss_OID dmech;
gss_OID selected_mech;
int i;
major_status = val_store_cred_args(minor_status,
input_cred_handle,
cred_usage,
desired_mech,
overwrite_cred,
default_cred,
cred_store,
elements_stored,
cred_usage_stored);
if (major_status != GSS_S_COMPLETE)
return (major_status);
/* Initial value needed below. */
major_status = GSS_S_FAILURE;
if (cred_usage_stored != NULL)
*cred_usage_stored = GSS_C_BOTH; /* there's no GSS_C_NEITHER */
union_cred = (gss_union_cred_t)input_cred_handle;
/* desired_mech != GSS_C_NULL_OID -> store one element */
if (desired_mech != GSS_C_NULL_OID) {
major_status = gssint_select_mech_type(minor_status,
desired_mech,
&selected_mech);
if (major_status != GSS_S_COMPLETE)
return (major_status);
mech = gssint_get_mechanism(selected_mech);
if (mech == NULL)
return (GSS_S_BAD_MECH);
if (mech->gss_store_cred_into == NULL &&
cred_store != GSS_C_NO_CRED_STORE)
return (major_status);
if (mech->gss_store_cred == NULL &&
mech->gss_store_cred_into == NULL)
return (major_status);
mech_cred = gssint_get_mechanism_cred(union_cred, selected_mech);
if (mech_cred == GSS_C_NO_CREDENTIAL)
return (GSS_S_NO_CRED);
major_status = store_cred_fallback(minor_status, mech,
mech_cred, cred_usage,
selected_mech,
overwrite_cred,
default_cred, cred_store,
elements_stored,
cred_usage_stored);
if (major_status != GSS_S_COMPLETE)
map_error(minor_status, mech);
return major_status;
}
/* desired_mech == GSS_C_NULL_OID -> store all elements */
*minor_status = 0;
for (i = 0; i < union_cred->count; i++) {
/* Get mech and cred element */
dmech = &union_cred->mechs_array[i];
mech = gssint_get_mechanism(dmech);
if (mech == NULL)
continue;
if (mech->gss_store_cred_into == NULL &&
cred_store != GSS_C_NO_CRED_STORE)
continue;
if (mech->gss_store_cred == NULL &&
mech->gss_store_cred_into == NULL)
continue;
mech_cred = gssint_get_mechanism_cred(union_cred, dmech);
if (mech_cred == GSS_C_NO_CREDENTIAL)
continue; /* can't happen, but safe to ignore */
major_status = store_cred_fallback(minor_status, mech,
mech_cred, cred_usage,
dmech, overwrite_cred,
default_cred, cred_store,
NULL, cred_usage_stored);
if (major_status != GSS_S_COMPLETE) {
map_error(minor_status, mech);
continue;
}
/* Succeeded for at least one mech */
if (elements_stored == NULL)
continue;
if (*elements_stored == GSS_C_NULL_OID_SET) {
major_status = gss_create_empty_oid_set(minor_status,
elements_stored);
if (GSS_ERROR(major_status))
return (major_status);
}
major_status = gss_add_oid_set_member(minor_status, dmech,
elements_stored);
/* The caller should clean up elements_stored */
if (GSS_ERROR(major_status))
return (major_status);
}
/*
* Success with some mechs may mask failure with others, but
* that's what elements_stored is for.
*/
return (major_status);
}
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