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Diffstat (limited to 'src/lib/gssapi/mechglue/g_store_cred.c')
-rw-r--r--src/lib/gssapi/mechglue/g_store_cred.c266
1 files changed, 266 insertions, 0 deletions
diff --git a/src/lib/gssapi/mechglue/g_store_cred.c b/src/lib/gssapi/mechglue/g_store_cred.c
new file mode 100644
index 0000000000000..c2b6ddf3c0d01
--- /dev/null
+++ b/src/lib/gssapi/mechglue/g_store_cred.c
@@ -0,0 +1,266 @@
+/*
+ * 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)
+{
+ gss_OID public_mech = gssint_get_public_oid(desired_mech);
+
+ if (mech->gss_store_cred_into != NULL) {
+ return mech->gss_store_cred_into(minor_status, mech_cred,
+ cred_usage, public_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, public_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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