diff options
Diffstat (limited to 'src/ccapi/server/ccs_ccache.c')
-rw-r--r-- | src/ccapi/server/ccs_ccache.c | 1002 |
1 files changed, 1002 insertions, 0 deletions
diff --git a/src/ccapi/server/ccs_ccache.c b/src/ccapi/server/ccs_ccache.c new file mode 100644 index 000000000..aaeed9796 --- /dev/null +++ b/src/ccapi/server/ccs_ccache.c @@ -0,0 +1,1002 @@ +/* + * $Header$ + * + * 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; +}; + +struct ccs_ccache_d ccs_ccache_initializer = { NULL, NULL, 0, NULL, NULL, 0, 0, 0, 0, 0, 0, NULL }; + +/* ------------------------------------------------------------------------ */ + +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) { + 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; + 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, + 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 */ + + } + + 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) +{ + 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; + } + + return cci_check_error (err); +} + +/* ------------------------------------------------------------------------ */ + +inline cc_int32 ccs_ccache_release (ccs_ccache_t io_ccache) +{ + cc_int32 err = ccNoError; + + if (!io_ccache) { err = ccErrBadParam; } + + if (!err) { + 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); + free (io_ccache); + } + + return cci_check_error (err); +} + +#pragma mark - + +/* ------------------------------------------------------------------------ */ + +inline 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; + + 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); + } + + 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_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_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; + *out_reply_data = reply_data; + reply_data = NULL; /* take ownership */ + } + + cci_stream_release (reply_data); + + return cci_check_error (err); +} + |