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|
/*
* $Header$
*
* Copyright 2006 Massachusetts Institute of Technology.
* All Rights Reserved.
*
* Export of this software from the United States of America may
* require a specific license from the United States Government.
* It is the responsibility of any person or organization contemplating
* export to obtain such a license before exporting.
*
* WITHIN THAT CONSTRAINT, permission to use, copy, modify, and
* distribute this software and its documentation for any purpose and
* without fee is hereby granted, provided that the above copyright
* notice appear in all copies and that both that copyright notice and
* this permission notice appear in supporting documentation, and that
* the name of M.I.T. not be used in advertising or publicity pertaining
* to distribution of the software without specific, written prior
* permission. Furthermore if you modify this software you must label
* your software as modified software and not distribute it in such a
* fashion that it might be confused with the original M.I.T. software.
* M.I.T. makes no representations about the suitability of
* this software for any purpose. It is provided "as is" without express
* or implied warranty.
*/
#include "ccs_common.h"
struct ccs_ccache_d {
cci_identifier_t identifier;
ccs_lock_state_t lock_state;
cc_uint32 cred_vers;
char *name;
char *principal;
cc_time_t last_default_time;
cc_time_t last_changed_time;
cc_uint32 kdc_time_offset_v4_valid;
cc_time_t kdc_time_offset_v4;
cc_uint32 kdc_time_offset_v5_valid;
cc_time_t kdc_time_offset_v5;
ccs_credentials_list_t credentials;
ccs_callback_array_t change_callbacks;
};
struct ccs_ccache_d ccs_ccache_initializer = { NULL, NULL, 0, NULL, NULL, 0, 0, 0, 0, 0, 0, NULL, NULL };
static cc_int32 ccs_ccache_changed (ccs_ccache_t io_ccache,
ccs_cache_collection_t io_cache_collection);
/* ------------------------------------------------------------------------ */
cc_int32 ccs_ccache_new (ccs_ccache_t *out_ccache,
cc_uint32 in_cred_vers,
const char *in_name,
const char *in_principal,
ccs_ccache_list_t io_ccache_list)
{
cc_int32 err = ccNoError;
ccs_ccache_t ccache = NULL;
if (!out_ccache ) { err = cci_check_error (ccErrBadParam); }
if (!in_name ) { err = cci_check_error (ccErrBadParam); }
if (!in_principal) { err = cci_check_error (ccErrBadParam); }
if (!err) {
ccache = malloc (sizeof (*ccache));
if (ccache) {
*ccache = ccs_ccache_initializer;
} else {
err = cci_check_error (ccErrNoMem);
}
}
if (!err) {
err = ccs_server_new_identifier (&ccache->identifier);
}
if (!err) {
err = ccs_lock_state_new (&ccache->lock_state,
ccErrInvalidCCache,
ccErrCCacheLocked,
ccErrCCacheUnlocked);
}
if (!err) {
ccache->cred_vers = in_cred_vers;
if (in_cred_vers != cc_credentials_v4 &&
in_cred_vers != cc_credentials_v5) {
err = cci_check_error (ccErrBadCredentialsVersion);
}
}
if (!err) {
ccache->name = strdup (in_name);
if (!ccache->name) { err = cci_check_error (ccErrNoMem); }
}
if (!err) {
ccache->principal = strdup (in_principal);
if (!ccache->principal) { err = cci_check_error (ccErrNoMem); }
}
if (!err) {
err = ccs_credentials_list_new (&ccache->credentials);
}
if (!err) {
err = ccs_callback_array_new (&ccache->change_callbacks);
}
if (!err) {
cc_uint64 now = time (NULL);
cc_uint64 count = 0;
err = ccs_ccache_list_count (io_ccache_list, &count);
if (!err) {
/* first cache is default */
ccache->last_default_time = (count == 0) ? now : 0;
cci_debug_printf ("%s ccache->last_default_time is %d.",
__FUNCTION__, ccache->last_default_time);
ccache->last_changed_time = now;
}
}
if (!err) {
/* Add self to the list of ccaches */
err = ccs_ccache_list_add (io_ccache_list, ccache);
}
if (!err) {
*out_ccache = ccache;
ccache = NULL;
}
ccs_ccache_release (ccache);
return cci_check_error (err);
}
/* ------------------------------------------------------------------------ */
cc_int32 ccs_ccache_reset (ccs_ccache_t io_ccache,
ccs_cache_collection_t io_cache_collection,
cc_uint32 in_cred_vers,
const char *in_principal)
{
cc_int32 err = ccNoError;
char *principal = NULL;
ccs_credentials_list_t credentials = NULL;
if (!io_ccache) { err = cci_check_error (ccErrBadParam); }
if (!err) {
if (in_cred_vers != cc_credentials_v4 &&
in_cred_vers != cc_credentials_v5) {
err = cci_check_error (ccErrBadCredentialsVersion);
}
}
if (!err) {
principal = strdup (in_principal);
if (!io_ccache->principal) { err = cci_check_error (ccErrNoMem); }
}
if (!err) {
err = ccs_credentials_list_new (&credentials);
}
if (!err) {
io_ccache->cred_vers = in_cred_vers;
free (io_ccache->principal);
io_ccache->principal = principal;
principal = NULL; /* take ownership */
ccs_credentials_list_release (io_ccache->credentials);
io_ccache->credentials = credentials;
credentials = NULL; /* take ownership */
err = ccs_ccache_changed (io_ccache, io_cache_collection);
}
free (principal);
ccs_credentials_list_release (credentials);
return cci_check_error (err);
}
/* ------------------------------------------------------------------------ */
cc_int32 ccs_ccache_swap_contents (ccs_ccache_t io_source_ccache,
ccs_ccache_t io_destination_ccache,
ccs_cache_collection_t io_cache_collection)
{
cc_int32 err = ccNoError;
if (!io_source_ccache ) { err = cci_check_error (ccErrBadParam); }
if (!io_destination_ccache) { err = cci_check_error (ccErrBadParam); }
if (!err) {
struct ccs_ccache_d temp_ccache = *io_destination_ccache;
/* swap everything */
*io_destination_ccache = *io_source_ccache;
*io_source_ccache = temp_ccache;
/* swap back the name and identifier */
io_source_ccache->identifier = io_destination_ccache->identifier;
io_destination_ccache->identifier = temp_ccache.identifier;
io_source_ccache->name = io_destination_ccache->name;
io_destination_ccache->name = temp_ccache.name;
}
if (!err) {
err = ccs_ccache_changed (io_source_ccache, io_cache_collection);
}
if (!err) {
err = ccs_ccache_changed (io_destination_ccache, io_cache_collection);
}
return cci_check_error (err);
}
/* ------------------------------------------------------------------------ */
cc_int32 ccs_ccache_release (ccs_ccache_t io_ccache)
{
cc_int32 err = ccNoError;
if (!err && io_ccache) {
cci_identifier_release (io_ccache->identifier);
ccs_lock_state_release (io_ccache->lock_state);
free (io_ccache->name);
free (io_ccache->principal);
ccs_credentials_list_release (io_ccache->credentials);
ccs_callback_array_release (io_ccache->change_callbacks);
free (io_ccache);
}
return cci_check_error (err);
}
#pragma mark -
/* ------------------------------------------------------------------------ */
cc_int32 ccs_ccache_compare_identifier (ccs_ccache_t in_ccache,
cci_identifier_t in_identifier,
cc_uint32 *out_equal)
{
cc_int32 err = ccNoError;
if (!in_ccache ) { err = cci_check_error (ccErrBadParam); }
if (!in_identifier) { err = cci_check_error (ccErrBadParam); }
if (!out_equal ) { err = cci_check_error (ccErrBadParam); }
if (!err) {
err = cci_identifier_compare (in_ccache->identifier,
in_identifier,
out_equal);
}
return cci_check_error (err);
}
/* ------------------------------------------------------------------------ */
cc_int32 ccs_ccache_compare_name (ccs_ccache_t in_ccache,
const char *in_name,
cc_uint32 *out_equal)
{
cc_int32 err = ccNoError;
if (!in_ccache) { err = cci_check_error (ccErrBadParam); }
if (!in_name ) { err = cci_check_error (ccErrBadParam); }
if (!out_equal) { err = cci_check_error (ccErrBadParam); }
if (!err) {
*out_equal = (strcmp (in_ccache->name, in_name) == 0);
}
return cci_check_error (err);
}
#pragma mark -
/* ------------------------------------------------------------------------ */
static cc_int32 ccs_ccache_changed (ccs_ccache_t io_ccache,
ccs_cache_collection_t io_cache_collection)
{
cc_int32 err = ccNoError;
cci_stream_t reply_data = NULL;
if (!io_ccache ) { err = cci_check_error (ccErrBadParam); }
if (!io_cache_collection) { err = cci_check_error (ccErrBadParam); }
if (!err) {
cc_time_t now = time (NULL);
if (io_ccache->last_changed_time < now) {
io_ccache->last_changed_time = now;
} else {
io_ccache->last_changed_time++;
}
}
if (!err) {
err = ccs_cache_collection_changed (io_cache_collection);
}
if (!err) {
err = cci_stream_new (&reply_data);
}
if (!err) {
err = cci_stream_write_time (reply_data, io_ccache->last_changed_time);
}
if (!err) {
/* Loop over callbacks sending messages to them */
cc_uint64 i;
cc_uint64 count = ccs_callback_array_count (io_ccache->change_callbacks);
for (i = 0; !err && i < count; i++) {
ccs_callback_t callback = ccs_callback_array_object_at_index (io_ccache->change_callbacks, i);
err = ccs_callback_reply_to_client (callback, reply_data);
if (!err) {
cci_debug_printf ("%s: Removing callback reference %p.", __FUNCTION__, callback);
err = ccs_callback_array_remove (io_ccache->change_callbacks, i);
break;
}
}
}
cci_stream_release (reply_data);
return cci_check_error (err);
}
/* ------------------------------------------------------------------------ */
static cc_int32 ccs_ccache_invalidate_change_callback (ccs_callback_owner_t io_ccache,
ccs_callback_t in_callback)
{
cc_int32 err = ccNoError;
if (!io_ccache ) { err = cci_check_error (ccErrBadParam); }
if (!in_callback) { err = cci_check_error (ccErrBadParam); }
if (!err) {
/* Remove callback */
ccs_ccache_t ccache = (ccs_ccache_t) io_ccache;
cc_uint64 i;
cc_uint64 count = ccs_callback_array_count (ccache->change_callbacks);
for (i = 0; !err && i < count; i++) {
ccs_callback_t callback = ccs_callback_array_object_at_index (ccache->change_callbacks, i);
if (callback == in_callback) {
cci_debug_printf ("%s: Removing callback reference %p.", __FUNCTION__, callback);
err = ccs_callback_array_remove (ccache->change_callbacks, i);
break;
}
}
}
return cci_check_error (err);
}
/* ------------------------------------------------------------------------ */
cc_int32 ccs_ccache_notify_default_state_changed (ccs_ccache_t io_ccache,
ccs_cache_collection_t io_cache_collection,
cc_uint32 in_new_default_state)
{
cc_int32 err = ccNoError;
if (!io_ccache ) { err = cci_check_error (ccErrBadParam); }
if (!io_cache_collection) { err = cci_check_error (ccErrBadParam); }
if (!err && in_new_default_state) {
cc_time_t now = time (NULL);
if (io_ccache->last_default_time < now) {
io_ccache->last_default_time = now;
} else {
io_ccache->last_default_time++;
}
}
if (!err) {
err = ccs_ccache_changed (io_ccache, io_cache_collection);
}
return cci_check_error (err);
}
#pragma mark -
/* ------------------------------------------------------------------------ */
cc_int32 ccs_ccache_find_credentials_iterator (ccs_ccache_t in_ccache,
cci_identifier_t in_identifier,
ccs_credentials_iterator_t *out_credentials_iterator)
{
cc_int32 err = ccNoError;
if (!in_ccache ) { err = cci_check_error (ccErrBadParam); }
if (!in_identifier ) { err = cci_check_error (ccErrBadParam); }
if (!out_credentials_iterator) { err = cci_check_error (ccErrBadParam); }
if (!err) {
err = ccs_credentials_list_find_iterator (in_ccache->credentials,
in_identifier,
out_credentials_iterator);
}
return cci_check_error (err);
}
#pragma mark -
/* ------------------------------------------------------------------------ */
cc_int32 ccs_ccache_write (ccs_ccache_t in_ccache,
cci_stream_t io_stream)
{
cc_int32 err = ccNoError;
if (!in_ccache) { err = cci_check_error (ccErrBadParam); }
if (!io_stream) { err = cci_check_error (ccErrBadParam); }
if (!err) {
err = cci_identifier_write (in_ccache->identifier, io_stream);
}
return cci_check_error (err);
}
/* ------------------------------------------------------------------------ */
cc_int32 ccs_ccache_write_name (ccs_ccache_t in_ccache,
cci_stream_t io_stream)
{
cc_int32 err = ccNoError;
if (!in_ccache) { err = cci_check_error (ccErrBadParam); }
if (!io_stream) { err = cci_check_error (ccErrBadParam); }
if (!err) {
err = cci_stream_write_string (io_stream, in_ccache->name);
}
return cci_check_error (err);
}
#pragma mark -
#pragma mark -- IPC Messages --
/* ------------------------------------------------------------------------ */
static cc_int32 ccs_ccache_destroy (ccs_ccache_t io_ccache,
ccs_cache_collection_t io_cache_collection,
cci_stream_t in_request_data,
cci_stream_t io_reply_data)
{
cc_int32 err = ccNoError;
if (!io_ccache ) { err = cci_check_error (ccErrBadParam); }
if (!io_cache_collection) { err = cci_check_error (ccErrBadParam); }
if (!in_request_data ) { err = cci_check_error (ccErrBadParam); }
if (!io_reply_data ) { err = cci_check_error (ccErrBadParam); }
if (!err) {
err = ccs_cache_collection_destroy_ccache (io_cache_collection,
io_ccache->identifier);
}
if (!err) {
/* ccache has been destroyed so just mark the cache collection */
err = ccs_cache_collection_changed (io_cache_collection);
}
return cci_check_error (err);
}
/* ------------------------------------------------------------------------ */
static cc_int32 ccs_ccache_set_default (ccs_ccache_t io_ccache,
ccs_cache_collection_t io_cache_collection,
cci_stream_t in_request_data,
cci_stream_t io_reply_data)
{
cc_int32 err = ccNoError;
if (!io_ccache ) { err = cci_check_error (ccErrBadParam); }
if (!io_cache_collection) { err = cci_check_error (ccErrBadParam); }
if (!in_request_data ) { err = cci_check_error (ccErrBadParam); }
if (!io_reply_data ) { err = cci_check_error (ccErrBadParam); }
if (!err) {
err = ccs_cache_collection_set_default_ccache (io_cache_collection,
io_ccache->identifier);
}
return cci_check_error (err);
}
/* ------------------------------------------------------------------------ */
static cc_int32 ccs_ccache_get_credentials_version (ccs_ccache_t io_ccache,
ccs_cache_collection_t io_cache_collection,
cci_stream_t in_request_data,
cci_stream_t io_reply_data)
{
cc_int32 err = ccNoError;
if (!io_ccache ) { err = cci_check_error (ccErrBadParam); }
if (!io_cache_collection) { err = cci_check_error (ccErrBadParam); }
if (!in_request_data ) { err = cci_check_error (ccErrBadParam); }
if (!io_reply_data ) { err = cci_check_error (ccErrBadParam); }
if (!err) {
err = cci_stream_write_uint32 (io_reply_data, io_ccache->cred_vers);
}
return cci_check_error (err);
}
/* ------------------------------------------------------------------------ */
static cc_int32 ccs_ccache_get_name (ccs_ccache_t io_ccache,
ccs_cache_collection_t io_cache_collection,
cci_stream_t in_request_data,
cci_stream_t io_reply_data)
{
cc_int32 err = ccNoError;
if (!io_ccache ) { err = cci_check_error (ccErrBadParam); }
if (!io_cache_collection) { err = cci_check_error (ccErrBadParam); }
if (!in_request_data ) { err = cci_check_error (ccErrBadParam); }
if (!io_reply_data ) { err = cci_check_error (ccErrBadParam); }
if (!err) {
err = cci_stream_write_string (io_reply_data, io_ccache->name);
}
return cci_check_error (err);
}
/* ------------------------------------------------------------------------ */
static cc_int32 ccs_ccache_get_principal (ccs_ccache_t io_ccache,
ccs_cache_collection_t io_cache_collection,
cci_stream_t in_request_data,
cci_stream_t io_reply_data)
{
cc_int32 err = ccNoError;
if (!io_ccache ) { err = cci_check_error (ccErrBadParam); }
if (!io_cache_collection) { err = cci_check_error (ccErrBadParam); }
if (!in_request_data ) { err = cci_check_error (ccErrBadParam); }
if (!io_reply_data ) { err = cci_check_error (ccErrBadParam); }
if (!err) {
err = cci_stream_write_string (io_reply_data, io_ccache->principal);
}
return cci_check_error (err);
}
/* ------------------------------------------------------------------------ */
static cc_int32 ccs_ccache_set_principal (ccs_ccache_t io_ccache,
ccs_cache_collection_t io_cache_collection,
cci_stream_t in_request_data,
cci_stream_t io_reply_data)
{
cc_int32 err = ccNoError;
char *principal = NULL;
if (!io_ccache ) { err = cci_check_error (ccErrBadParam); }
if (!io_cache_collection) { err = cci_check_error (ccErrBadParam); }
if (!in_request_data ) { err = cci_check_error (ccErrBadParam); }
if (!io_reply_data ) { err = cci_check_error (ccErrBadParam); }
if (!err) {
err = cci_stream_read_string (io_reply_data, &principal);
}
if (!err) {
free (io_ccache->principal);
io_ccache->principal = principal;
principal = NULL;
err = ccs_ccache_changed (io_ccache, io_cache_collection);
}
return cci_check_error (err);
}
/* ------------------------------------------------------------------------ */
static cc_int32 ccs_ccache_store_credentials (ccs_ccache_t io_ccache,
ccs_cache_collection_t io_cache_collection,
cci_stream_t in_request_data,
cci_stream_t io_reply_data)
{
cc_int32 err = ccNoError;
ccs_credentials_t credentials = NULL;
if (!io_ccache ) { err = cci_check_error (ccErrBadParam); }
if (!io_cache_collection) { err = cci_check_error (ccErrBadParam); }
if (!in_request_data ) { err = cci_check_error (ccErrBadParam); }
if (!io_reply_data ) { err = cci_check_error (ccErrBadParam); }
if (!err) {
err = ccs_credentials_new (&credentials, in_request_data,
io_ccache->credentials);
}
if (!err) {
err = ccs_ccache_changed (io_ccache, io_cache_collection);
}
return cci_check_error (err);
}
/* ------------------------------------------------------------------------ */
static cc_int32 ccs_ccache_remove_credentials (ccs_ccache_t io_ccache,
ccs_cache_collection_t io_cache_collection,
cci_stream_t in_request_data,
cci_stream_t io_reply_data)
{
cc_int32 err = ccNoError;
cci_identifier_t credentials_identifier = NULL;
if (!io_ccache ) { err = cci_check_error (ccErrBadParam); }
if (!io_cache_collection) { err = cci_check_error (ccErrBadParam); }
if (!in_request_data ) { err = cci_check_error (ccErrBadParam); }
if (!io_reply_data ) { err = cci_check_error (ccErrBadParam); }
if (!err) {
err = cci_identifier_read (&credentials_identifier, in_request_data);
}
if (!err) {
err = ccs_credentials_list_remove (io_ccache->credentials, credentials_identifier);
}
if (!err) {
err = ccs_ccache_changed (io_ccache, io_cache_collection);
}
cci_identifier_release (credentials_identifier);
return cci_check_error (err);
}
/* ------------------------------------------------------------------------ */
static cc_int32 ccs_ccache_new_credentials_iterator (ccs_ccache_t io_ccache,
ccs_cache_collection_t io_cache_collection,
cci_stream_t in_request_data,
cci_stream_t io_reply_data)
{
cc_int32 err = ccNoError;
ccs_credentials_iterator_t credentials_iterator = NULL;
if (!io_ccache ) { err = cci_check_error (ccErrBadParam); }
if (!io_cache_collection) { err = cci_check_error (ccErrBadParam); }
if (!in_request_data ) { err = cci_check_error (ccErrBadParam); }
if (!io_reply_data ) { err = cci_check_error (ccErrBadParam); }
if (!err) {
err = ccs_credentials_list_new_iterator (io_ccache->credentials,
&credentials_iterator);
}
if (!err) {
err = ccs_credentials_list_iterator_write (credentials_iterator, io_reply_data);
}
return cci_check_error (err);
}
/* ------------------------------------------------------------------------ */
static cc_int32 ccs_ccache_move (ccs_ccache_t io_ccache,
ccs_cache_collection_t io_cache_collection,
cci_stream_t in_request_data,
cci_stream_t io_reply_data)
{
cc_int32 err = ccNoError;
cci_identifier_t source_identifier = NULL;
if (!io_ccache ) { err = cci_check_error (ccErrBadParam); }
if (!io_cache_collection) { err = cci_check_error (ccErrBadParam); }
if (!in_request_data ) { err = cci_check_error (ccErrBadParam); }
if (!io_reply_data ) { err = cci_check_error (ccErrBadParam); }
if (!err) {
/* Note: message is sent as the destination ccache to avoid */
/* extra work on the server when deleting it the source ccache. */
err = cci_identifier_read (&source_identifier, in_request_data);
}
if (!err) {
err = ccs_ccache_collection_move_ccache (io_cache_collection,
source_identifier,
io_ccache);
}
if (!err) {
err = ccs_ccache_changed (io_ccache, io_cache_collection);
}
cci_identifier_release (source_identifier);
return cci_check_error (err);
}
/* ------------------------------------------------------------------------ */
static cc_int32 ccs_ccache_lock (ccs_pipe_t in_client_pipe,
ccs_pipe_t in_reply_pipe,
ccs_ccache_t io_ccache,
ccs_cache_collection_t io_cache_collection,
cci_stream_t in_request_data,
cc_uint32 *out_will_block,
cci_stream_t io_reply_data)
{
cc_int32 err = ccNoError;
cc_uint32 lock_type;
cc_uint32 block;
if (!ccs_pipe_valid (in_client_pipe)) { err = cci_check_error (ccErrBadParam); }
if (!io_ccache ) { err = cci_check_error (ccErrBadParam); }
if (!io_cache_collection ) { err = cci_check_error (ccErrBadParam); }
if (!in_request_data ) { err = cci_check_error (ccErrBadParam); }
if (!out_will_block ) { err = cci_check_error (ccErrBadParam); }
if (!io_reply_data ) { err = cci_check_error (ccErrBadParam); }
if (!err) {
err = cci_stream_read_uint32 (in_request_data, &lock_type);
}
if (!err) {
err = cci_stream_read_uint32 (in_request_data, &block);
}
if (!err) {
err = ccs_lock_state_add (io_ccache->lock_state,
in_client_pipe, in_reply_pipe,
lock_type, block, out_will_block);
}
return cci_check_error (err);
}
/* ------------------------------------------------------------------------ */
static cc_int32 ccs_ccache_unlock (ccs_pipe_t in_client_pipe,
ccs_ccache_t io_ccache,
ccs_cache_collection_t io_cache_collection,
cci_stream_t in_request_data,
cci_stream_t io_reply_data)
{
cc_int32 err = ccNoError;
if (!ccs_pipe_valid (in_client_pipe)) { err = cci_check_error (ccErrBadParam); }
if (!io_ccache ) { err = cci_check_error (ccErrBadParam); }
if (!io_cache_collection ) { err = cci_check_error (ccErrBadParam); }
if (!in_request_data ) { err = cci_check_error (ccErrBadParam); }
if (!io_reply_data ) { err = cci_check_error (ccErrBadParam); }
if (!err) {
err = ccs_lock_state_remove (io_ccache->lock_state, in_client_pipe);
}
return cci_check_error (err);
}
/* ------------------------------------------------------------------------ */
static cc_int32 ccs_ccache_get_last_default_time (ccs_ccache_t io_ccache,
ccs_cache_collection_t io_cache_collection,
cci_stream_t in_request_data,
cci_stream_t io_reply_data)
{
cc_int32 err = ccNoError;
if (!io_ccache ) { err = cci_check_error (ccErrBadParam); }
if (!io_cache_collection) { err = cci_check_error (ccErrBadParam); }
if (!in_request_data ) { err = cci_check_error (ccErrBadParam); }
if (!io_reply_data ) { err = cci_check_error (ccErrBadParam); }
if (!err && io_ccache->last_default_time == 0) {
err = cci_check_error (ccErrNeverDefault);
}
if (!err) {
err = cci_stream_write_time (io_reply_data, io_ccache->last_default_time);
}
return cci_check_error (err);
}
/* ------------------------------------------------------------------------ */
static cc_int32 ccs_ccache_get_change_time (ccs_ccache_t io_ccache,
ccs_cache_collection_t io_cache_collection,
cci_stream_t in_request_data,
cci_stream_t io_reply_data)
{
cc_int32 err = ccNoError;
if (!io_ccache ) { err = cci_check_error (ccErrBadParam); }
if (!io_cache_collection) { err = cci_check_error (ccErrBadParam); }
if (!in_request_data ) { err = cci_check_error (ccErrBadParam); }
if (!io_reply_data ) { err = cci_check_error (ccErrBadParam); }
if (!err) {
err = cci_stream_write_time (io_reply_data, io_ccache->last_changed_time);
}
return cci_check_error (err);
}
/* ------------------------------------------------------------------------ */
static cc_int32 ccs_ccache_wait_for_change (ccs_pipe_t in_client_pipe,
ccs_pipe_t in_reply_pipe,
ccs_ccache_t io_ccache,
ccs_cache_collection_t io_cache_collection,
cci_stream_t in_request_data,
cci_stream_t io_reply_data,
cc_uint32 *out_will_block)
{
cc_int32 err = ccNoError;
cc_time_t last_wait_for_change_time = 0;
cc_uint32 will_block = 0;
if (!ccs_pipe_valid (in_client_pipe)) { err = cci_check_error (ccErrBadParam); }
if (!ccs_pipe_valid (in_reply_pipe )) { err = cci_check_error (ccErrBadParam); }
if (!io_ccache ) { err = cci_check_error (ccErrBadParam); }
if (!io_cache_collection ) { err = cci_check_error (ccErrBadParam); }
if (!in_request_data ) { err = cci_check_error (ccErrBadParam); }
if (!out_will_block ) { err = cci_check_error (ccErrBadParam); }
if (!err) {
err = cci_stream_read_time (in_request_data, &last_wait_for_change_time);
}
if (!err) {
if (last_wait_for_change_time < io_ccache->last_changed_time) {
cci_debug_printf ("%s returning immediately", __FUNCTION__);
err = cci_stream_write_time (io_reply_data, io_ccache->last_changed_time);
} else {
ccs_callback_t callback = NULL;
err = ccs_callback_new (&callback,
ccErrInvalidCCache,
in_client_pipe,
in_reply_pipe,
(ccs_callback_owner_t) io_ccache,
ccs_ccache_invalidate_change_callback);
if (!err) {
err = ccs_callback_array_insert (io_ccache->change_callbacks, callback,
ccs_callback_array_count (io_ccache->change_callbacks));
if (!err) { callback = NULL; /* take ownership */ }
cci_debug_printf ("%s blocking", __FUNCTION__);
will_block = 1;
}
ccs_callback_release (callback);
}
}
if (!err) {
*out_will_block = will_block;
}
return cci_check_error (err);
}
/* ------------------------------------------------------------------------ */
static cc_int32 ccs_ccache_get_kdc_time_offset (ccs_ccache_t io_ccache,
ccs_cache_collection_t io_cache_collection,
cci_stream_t in_request_data,
cci_stream_t io_reply_data)
{
cc_int32 err = ccNoError;
cc_uint32 cred_vers = 0;
if (!io_ccache ) { err = cci_check_error (ccErrBadParam); }
if (!io_cache_collection) { err = cci_check_error (ccErrBadParam); }
if (!in_request_data ) { err = cci_check_error (ccErrBadParam); }
if (!io_reply_data ) { err = cci_check_error (ccErrBadParam); }
if (!err) {
err = cci_stream_read_uint32 (in_request_data, &cred_vers);
}
if (!err) {
if (cred_vers == cc_credentials_v4) {
if (io_ccache->kdc_time_offset_v4_valid) {
err = cci_stream_write_time (io_reply_data, io_ccache->kdc_time_offset_v4);
} else {
err = cci_check_error (ccErrTimeOffsetNotSet);
}
} else if (cred_vers == cc_credentials_v5) {
if (io_ccache->kdc_time_offset_v5_valid) {
err = cci_stream_write_time (io_reply_data, io_ccache->kdc_time_offset_v5);
} else {
err = cci_check_error (ccErrTimeOffsetNotSet);
}
} else {
err = cci_check_error (ccErrBadCredentialsVersion);
}
}
return cci_check_error (err);
}
/* ------------------------------------------------------------------------ */
static cc_int32 ccs_ccache_set_kdc_time_offset (ccs_ccache_t io_ccache,
ccs_cache_collection_t io_cache_collection,
cci_stream_t in_request_data,
cci_stream_t io_reply_data)
{
cc_int32 err = ccNoError;
cc_uint32 cred_vers = 0;
if (!io_ccache ) { err = cci_check_error (ccErrBadParam); }
if (!io_cache_collection) { err = cci_check_error (ccErrBadParam); }
if (!in_request_data ) { err = cci_check_error (ccErrBadParam); }
if (!io_reply_data ) { err = cci_check_error (ccErrBadParam); }
if (!err) {
err = cci_stream_read_uint32 (in_request_data, &cred_vers);
}
if (!err) {
if (cred_vers == cc_credentials_v4) {
err = cci_stream_read_time (in_request_data, &io_ccache->kdc_time_offset_v4);
if (!err) {
io_ccache->kdc_time_offset_v4_valid = 1;
}
} else if (cred_vers == cc_credentials_v5) {
err = cci_stream_read_time (in_request_data, &io_ccache->kdc_time_offset_v5);
if (!err) {
io_ccache->kdc_time_offset_v5_valid = 1;
}
} else {
err = cci_check_error (ccErrBadCredentialsVersion);
}
}
if (!err) {
err = ccs_ccache_changed (io_ccache, io_cache_collection);
}
return cci_check_error (err);
}
/* ------------------------------------------------------------------------ */
static cc_int32 ccs_ccache_clear_kdc_time_offset (ccs_ccache_t io_ccache,
ccs_cache_collection_t io_cache_collection,
cci_stream_t in_request_data,
cci_stream_t io_reply_data)
{
cc_int32 err = ccNoError;
cc_uint32 cred_vers = 0;
if (!io_ccache ) { err = cci_check_error (ccErrBadParam); }
if (!io_cache_collection) { err = cci_check_error (ccErrBadParam); }
if (!in_request_data ) { err = cci_check_error (ccErrBadParam); }
if (!io_reply_data ) { err = cci_check_error (ccErrBadParam); }
if (!err) {
err = cci_stream_read_uint32 (in_request_data, &cred_vers);
}
if (!err) {
if (cred_vers == cc_credentials_v4) {
io_ccache->kdc_time_offset_v4 = 0;
io_ccache->kdc_time_offset_v4_valid = 0;
} else if (cred_vers == cc_credentials_v5) {
io_ccache->kdc_time_offset_v5 = 0;
io_ccache->kdc_time_offset_v5_valid = 0;
} else {
err = cci_check_error (ccErrBadCredentialsVersion);
}
}
if (!err) {
err = ccs_ccache_changed (io_ccache, io_cache_collection);
}
return cci_check_error (err);
}
#pragma mark -
/* ------------------------------------------------------------------------ */
cc_int32 ccs_ccache_handle_message (ccs_pipe_t in_client_pipe,
ccs_pipe_t in_reply_pipe,
ccs_ccache_t io_ccache,
ccs_cache_collection_t io_cache_collection,
enum cci_msg_id_t in_request_name,
cci_stream_t in_request_data,
cc_uint32 *out_will_block,
cci_stream_t *out_reply_data)
{
cc_int32 err = ccNoError;
cc_uint32 will_block = 0;
cci_stream_t reply_data = NULL;
if (!ccs_pipe_valid (in_client_pipe)) { err = cci_check_error (ccErrBadParam); }
if (!ccs_pipe_valid (in_reply_pipe) ) { err = cci_check_error (ccErrBadParam); }
if (!io_cache_collection ) { err = cci_check_error (ccErrBadParam); }
if (!in_request_data ) { err = cci_check_error (ccErrBadParam); }
if (!out_will_block ) { err = cci_check_error (ccErrBadParam); }
if (!out_reply_data ) { err = cci_check_error (ccErrBadParam); }
if (!err) {
err = cci_stream_new (&reply_data);
}
if (!err) {
if (in_request_name == cci_ccache_destroy_msg_id) {
err = ccs_ccache_destroy (io_ccache, io_cache_collection,
in_request_data, reply_data);
} else if (in_request_name == cci_ccache_set_default_msg_id) {
err = ccs_ccache_set_default (io_ccache, io_cache_collection,
in_request_data, reply_data);
} else if (in_request_name == cci_ccache_get_credentials_version_msg_id) {
err = ccs_ccache_get_credentials_version (io_ccache, io_cache_collection,
in_request_data, reply_data);
} else if (in_request_name == cci_ccache_get_name_msg_id) {
err = ccs_ccache_get_name (io_ccache, io_cache_collection,
in_request_data, reply_data);
} else if (in_request_name == cci_ccache_get_principal_msg_id) {
err = ccs_ccache_get_principal (io_ccache, io_cache_collection,
in_request_data, reply_data);
} else if (in_request_name == cci_ccache_set_principal_msg_id) {
err = ccs_ccache_set_principal (io_ccache, io_cache_collection,
in_request_data, reply_data);
} else if (in_request_name == cci_ccache_store_credentials_msg_id) {
err = ccs_ccache_store_credentials (io_ccache, io_cache_collection,
in_request_data, reply_data);
} else if (in_request_name == cci_ccache_remove_credentials_msg_id) {
err = ccs_ccache_remove_credentials (io_ccache, io_cache_collection,
in_request_data, reply_data);
} else if (in_request_name == cci_ccache_new_credentials_iterator_msg_id) {
err = ccs_ccache_new_credentials_iterator (io_ccache, io_cache_collection,
in_request_data, reply_data);
} else if (in_request_name == cci_ccache_move_msg_id) {
err = ccs_ccache_move (io_ccache, io_cache_collection,
in_request_data, reply_data);
} else if (in_request_name == cci_ccache_lock_msg_id) {
err = ccs_ccache_lock (in_client_pipe, in_reply_pipe,
io_ccache, io_cache_collection,
in_request_data,
&will_block, reply_data);
} else if (in_request_name == cci_ccache_unlock_msg_id) {
err = ccs_ccache_unlock (in_client_pipe,
io_ccache, io_cache_collection,
in_request_data, reply_data);
} else if (in_request_name == cci_ccache_get_last_default_time_msg_id) {
err = ccs_ccache_get_last_default_time (io_ccache, io_cache_collection,
in_request_data, reply_data);
} else if (in_request_name == cci_ccache_get_change_time_msg_id) {
err = ccs_ccache_get_change_time (io_ccache, io_cache_collection,
in_request_data, reply_data);
} else if (in_request_name == cci_ccache_wait_for_change_msg_id) {
err = ccs_ccache_wait_for_change (in_client_pipe, in_reply_pipe,
io_ccache, io_cache_collection,
in_request_data, reply_data,
&will_block);
} else if (in_request_name == cci_ccache_get_kdc_time_offset_msg_id) {
err = ccs_ccache_get_kdc_time_offset (io_ccache, io_cache_collection,
in_request_data, reply_data);
} else if (in_request_name == cci_ccache_set_kdc_time_offset_msg_id) {
err = ccs_ccache_set_kdc_time_offset (io_ccache, io_cache_collection,
in_request_data, reply_data);
} else if (in_request_name == cci_ccache_clear_kdc_time_offset_msg_id) {
err = ccs_ccache_clear_kdc_time_offset (io_ccache, io_cache_collection,
in_request_data, reply_data);
} else {
err = ccErrBadInternalMessage;
}
}
if (!err) {
*out_will_block = will_block;
if (!will_block) {
*out_reply_data = reply_data;
reply_data = NULL; /* take ownership */
} else {
*out_reply_data = NULL;
}
}
cci_stream_release (reply_data);
return cci_check_error (err);
}
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