/* ccapi/server/ccs_cache_collection.c */
/*
* Copyright 2006, 2007 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 "k5-platform.h" /* pull in asprintf decl/defn */
#include "ccs_common.h"
#include "ccs_os_notify.h"
struct ccs_cache_collection_d {
cc_time_t last_changed_time;
cc_uint64 next_unique_name;
cci_identifier_t identifier;
ccs_lock_state_t lock_state;
ccs_ccache_list_t ccaches;
ccs_callback_array_t change_callbacks;
};
struct ccs_cache_collection_d ccs_cache_collection_initializer = { 0, 0, NULL, NULL, NULL, NULL };
/* ------------------------------------------------------------------------ */
cc_int32 ccs_cache_collection_new (ccs_cache_collection_t *out_cache_collection)
{
cc_int32 err = ccNoError;
ccs_cache_collection_t cache_collection = NULL;
if (!out_cache_collection) { err = cci_check_error (ccErrBadParam); }
if (!err) {
cache_collection = malloc (sizeof (*cache_collection));
if (cache_collection) {
*cache_collection = ccs_cache_collection_initializer;
} else {
err = cci_check_error (ccErrNoMem);
}
}
if (!err) {
err = ccs_server_new_identifier (&cache_collection->identifier);
}
if (!err) {
err = ccs_lock_state_new (&cache_collection->lock_state,
ccErrInvalidContext,
ccErrContextLocked,
ccErrContextUnlocked);
}
if (!err) {
err = ccs_ccache_list_new (&cache_collection->ccaches);
}
if (!err) {
err = ccs_callback_array_new (&cache_collection->change_callbacks);
}
if (!err) {
err = ccs_cache_collection_changed (cache_collection);
}
if (!err) {
*out_cache_collection = cache_collection;
cache_collection = NULL;
}
ccs_cache_collection_release (cache_collection);
return cci_check_error (err);
}
/* ------------------------------------------------------------------------ */
cc_int32 ccs_cache_collection_release (ccs_cache_collection_t io_cache_collection)
{
cc_int32 err = ccNoError;
if (!err && io_cache_collection) {
cci_identifier_release (io_cache_collection->identifier);
ccs_lock_state_release (io_cache_collection->lock_state);
ccs_ccache_list_release (io_cache_collection->ccaches);
ccs_callback_array_release (io_cache_collection->change_callbacks);
free (io_cache_collection);
}
return cci_check_error (err);
}
/* ------------------------------------------------------------------------ */
cc_int32 ccs_cache_collection_compare_identifier (ccs_cache_collection_t in_cache_collection,
cci_identifier_t in_identifier,
cc_uint32 *out_equal)
{
cc_int32 err = ccNoError;
if (!in_cache_collection) { 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_cache_collection->identifier,
in_identifier,
out_equal);
}
return cci_check_error (err);
}
#ifdef TARGET_OS_MAC
#pragma mark -
#endif
/* ------------------------------------------------------------------------ */
cc_int32 ccs_cache_collection_changed (ccs_cache_collection_t io_cache_collection)
{
cc_int32 err = ccNoError;
k5_ipc_stream reply_data = NULL;
if (!io_cache_collection) { err = cci_check_error (ccErrBadParam); }
if (!err) {
cc_time_t now = time (NULL);
if (io_cache_collection->last_changed_time < now) {
io_cache_collection->last_changed_time = now;
} else {
io_cache_collection->last_changed_time++;
}
}
if (!err) {
err = krb5int_ipc_stream_new (&reply_data);
}
if (!err) {
err = krb5int_ipc_stream_write_time (reply_data, io_cache_collection->last_changed_time);
}
if (!err) {
/* Loop over callbacks sending messages to them */
cc_uint64 i;
cc_uint64 count = ccs_callback_array_count (io_cache_collection->change_callbacks);
for (i = 0; !err && i < count; i++) {
ccs_callback_t callback = ccs_callback_array_object_at_index (io_cache_collection->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_cache_collection->change_callbacks, i);
break;
}
}
}
if (!err) {
err = ccs_os_notify_cache_collection_changed (io_cache_collection);
}
krb5int_ipc_stream_release (reply_data);
return cci_check_error (err);
}
/* ------------------------------------------------------------------------ */
static cc_int32 ccs_cache_collection_invalidate_change_callback (ccs_callback_owner_t io_cache_collection,
ccs_callback_t in_callback)
{
cc_int32 err = ccNoError;
if (!io_cache_collection) { err = cci_check_error (ccErrBadParam); }
if (!in_callback ) { err = cci_check_error (ccErrBadParam); }
if (!err) {
/* Remove callback */
ccs_cache_collection_t cache_collection = (ccs_cache_collection_t) io_cache_collection;
cc_uint64 i;
cc_uint64 count = ccs_callback_array_count (cache_collection->change_callbacks);
for (i = 0; !err && i < count; i++) {
ccs_callback_t callback = ccs_callback_array_object_at_index (cache_collection->change_callbacks, i);
if (callback == in_callback) {
cci_debug_printf ("%s: Removing callback reference %p.", __FUNCTION__, callback);
err = ccs_callback_array_remove (cache_collection->change_callbacks, i);
break;
}
}
}
return cci_check_error (err);
}
#ifdef TARGET_OS_MAC
#pragma mark -
#endif
/* ------------------------------------------------------------------------ */
static cc_int32 ccs_cache_collection_find_ccache_by_name (ccs_cache_collection_t in_cache_collection,
const char *in_name,
ccs_ccache_t *out_ccache)
{
cc_int32 err = ccNoError;
ccs_ccache_list_iterator_t iterator = NULL;
if (!in_cache_collection) { err = cci_check_error (ccErrBadParam); }
if (!in_name ) { err = cci_check_error (ccErrBadParam); }
if (!out_ccache ) { err = cci_check_error (ccErrBadParam); }
if (!err) {
err = ccs_ccache_list_new_iterator (in_cache_collection->ccaches,
CCS_PIPE_NULL,
&iterator);
}
while (!err) {
ccs_ccache_t ccache = NULL;
err = ccs_ccache_list_iterator_next (iterator, &ccache);
if (!err) {
cc_uint32 equal = 0;
err = ccs_ccache_compare_name (ccache, in_name, &equal);
if (!err && equal) {
*out_ccache = ccache;
break;
}
}
}
if (err == ccIteratorEnd) { err = ccErrCCacheNotFound; }
if (iterator) { ccs_ccache_list_iterator_release (iterator); }
return cci_check_error (err);
}
#ifdef TARGET_OS_MAC
#pragma mark -
#endif
/* ------------------------------------------------------------------------ */
cc_int32 ccs_cache_collection_find_ccache (ccs_cache_collection_t in_cache_collection,
cci_identifier_t in_identifier,
ccs_ccache_t *out_ccache)
{
cc_int32 err = ccNoError;
if (!in_cache_collection) { err = cci_check_error (ccErrBadParam); }
if (!in_identifier ) { err = cci_check_error (ccErrBadParam); }
if (!out_ccache ) { err = cci_check_error (ccErrBadParam); }
if (!err) {
err = ccs_ccache_list_find (in_cache_collection->ccaches,
in_identifier, out_ccache);
}
return cci_check_error (err);
}
/* ------------------------------------------------------------------------ */
cc_int32 ccs_ccache_collection_move_ccache (ccs_cache_collection_t io_cache_collection,
cci_identifier_t in_source_identifier,
ccs_ccache_t io_destination_ccache)
{
cc_int32 err = ccNoError;
ccs_ccache_t source_ccache = NULL;
if (!io_cache_collection ) { err = cci_check_error (ccErrBadParam); }
if (!in_source_identifier ) { err = cci_check_error (ccErrBadParam); }
if (!io_destination_ccache) { err = cci_check_error (ccErrBadParam); }
if (!err) {
err = ccs_cache_collection_find_ccache (io_cache_collection,
in_source_identifier,
&source_ccache);
}
if (!err) {
err = ccs_ccache_swap_contents (source_ccache,
io_destination_ccache,
io_cache_collection);
}
if (!err) {
err = ccs_cache_collection_destroy_ccache (io_cache_collection,
in_source_identifier);
}
return cci_check_error (err);
}
/* ------------------------------------------------------------------------ */
cc_int32 ccs_cache_collection_destroy_ccache (ccs_cache_collection_t io_cache_collection,
cci_identifier_t in_identifier)
{
cc_int32 err = ccNoError;
ccs_ccache_t ccache = NULL;
if (!io_cache_collection) { err = cci_check_error (ccErrBadParam); }
if (!in_identifier ) { err = cci_check_error (ccErrBadParam); }
if (!err) {
err = ccs_cache_collection_find_ccache (io_cache_collection,
in_identifier,
&ccache);
}
if (!err) {
/* Notify before deletion because after deletion the ccache
* will no longer exist (and won't know about its clients) */
err = ccs_ccache_changed (ccache, io_cache_collection);
}
if (!err) {
err = ccs_ccache_list_remove (io_cache_collection->ccaches,
in_identifier);
}
return cci_check_error (err);
}
#ifdef TARGET_OS_MAC
#pragma mark -
#endif
/* ------------------------------------------------------------------------ */
cc_int32 ccs_cache_collection_find_ccache_iterator (ccs_cache_collection_t in_cache_collection,
cci_identifier_t in_identifier,
ccs_ccache_iterator_t *out_ccache_iterator)
{
cc_int32 err = ccNoError;
if (!in_cache_collection) { err = cci_check_error (ccErrBadParam); }
if (!in_identifier ) { err = cci_check_error (ccErrBadParam); }
if (!out_ccache_iterator) { err = cci_check_error (ccErrBadParam); }
if (!err) {
err = ccs_ccache_list_find_iterator (in_cache_collection->ccaches,
in_identifier,
out_ccache_iterator);
}
return cci_check_error (err);
}
#ifdef TARGET_OS_MAC
#pragma mark -
#endif
/* ------------------------------------------------------------------------ */
cc_int32 ccs_cache_collection_find_credentials_iterator (ccs_cache_collection_t in_cache_collection,
cci_identifier_t in_identifier,
ccs_ccache_t *out_ccache,
ccs_credentials_iterator_t *out_credentials_iterator)
{
cc_int32 err = ccNoError;
ccs_ccache_list_iterator_t iterator = NULL;
if (!in_cache_collection ) { 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_ccache_list_new_iterator (in_cache_collection->ccaches,
CCS_PIPE_NULL,
&iterator);
}
while (!err) {
ccs_ccache_t ccache = NULL;
err = ccs_ccache_list_iterator_next (iterator, &ccache);
if (!err) {
cc_int32 terr = ccs_ccache_find_credentials_iterator (ccache,
in_identifier,
out_credentials_iterator);
if (!terr) {
*out_ccache = ccache;
break;
}
}
}
if (err == ccIteratorEnd) { err = cci_check_error (ccErrInvalidCredentialsIterator); }
if (iterator) { ccs_ccache_list_iterator_release (iterator); }
return cci_check_error (err);
}
#ifdef TARGET_OS_MAC
#pragma mark -
#endif
/* ------------------------------------------------------------------------ */
static cc_int32 ccs_cache_collection_get_next_unique_ccache_name (ccs_cache_collection_t io_cache_collection,
char **out_name)
{
cc_int32 err = ccNoError;
cc_uint64 count = 0;
char *name = NULL;
if (!io_cache_collection) { err = cci_check_error (ccErrBadParam); }
if (!out_name ) { err = cci_check_error (ccErrBadParam); }
if (!err) {
err = ccs_cache_collection_list_count (io_cache_collection->ccaches, &count);
}
if (!err) {
if (count > 0) {
while (!err) {
int ret = asprintf (&name, "%lld", io_cache_collection->next_unique_name++);
if (ret < 0 || !name) { err = cci_check_error (ccErrNoMem); }
if (!err) {
ccs_ccache_t ccache = NULL; /* temporary to hold ccache pointer */
err = ccs_cache_collection_find_ccache_by_name (io_cache_collection,
name, &ccache);
}
if (err == ccErrCCacheNotFound) {
err = ccNoError;
break; /* found a unique one */
}
}
} else {
name = strdup (k_cci_context_initial_ccache_name);
if (!name) { err = cci_check_error (ccErrNoMem); }
}
}
if (!err) {
*out_name = name;
name = NULL;
}
free (name);
return cci_check_error (err);
}
/* ------------------------------------------------------------------------ */
static cc_int32 ccs_cache_collection_get_default_ccache (ccs_cache_collection_t in_cache_collection,
ccs_ccache_t *out_ccache)
{
cc_int32 err = ccNoError;
cc_uint64 count = 0;
if (!in_cache_collection) { err = cci_check_error (ccErrBadParam); }
if (!out_ccache ) { err = cci_check_error (ccErrBadParam); }
if (!err) {
err = ccs_ccache_list_count (in_cache_collection->ccaches, &count);
}
if (!err) {
if (count > 0) {
/* First ccache is the default */
ccs_ccache_list_iterator_t iterator = NULL;
err = ccs_ccache_list_new_iterator (in_cache_collection->ccaches,
CCS_PIPE_NULL,
&iterator);
if (!err) {
err = ccs_ccache_list_iterator_next (iterator, out_ccache);
}
ccs_ccache_list_iterator_release (iterator);
} else {
err = cci_check_error (ccErrCCacheNotFound);
}
}
return cci_check_error (err);
}
/* ------------------------------------------------------------------------ */
cc_int32 ccs_cache_collection_set_default_ccache (ccs_cache_collection_t io_cache_collection,
cci_identifier_t in_identifier)
{
cc_int32 err = ccNoError;
ccs_ccache_t old_default = NULL;
ccs_ccache_t new_default = NULL;
cc_uint32 equal = 0;
if (!io_cache_collection) { err = cci_check_error (ccErrBadParam); }
if (!in_identifier ) { err = cci_check_error (ccErrBadParam); }
if (!err) {
err = ccs_cache_collection_get_default_ccache (io_cache_collection,
&old_default);
}
if (!err) {
err = ccs_ccache_compare_identifier (old_default, in_identifier, &equal);
}
if (!err && !equal) {
err = ccs_ccache_list_push_front (io_cache_collection->ccaches,
in_identifier);
if (!err) {
err = ccs_ccache_notify_default_state_changed (old_default,
io_cache_collection,
0 /* no longer default */);
}
if (!err) {
err = ccs_cache_collection_get_default_ccache (io_cache_collection,
&new_default);
}
if (!err) {
err = ccs_ccache_notify_default_state_changed (new_default,
io_cache_collection,
1 /* now default */);
}
if (!err) {
err = ccs_cache_collection_changed (io_cache_collection);
}
}
return cci_check_error (err);
}
#ifdef TARGET_OS_MAC
#pragma mark -
#pragma mark -- IPC Messages --
#endif
/* ------------------------------------------------------------------------ */
static cc_int32 ccs_cache_collection_sync (ccs_cache_collection_t io_cache_collection,
k5_ipc_stream in_request_data,
k5_ipc_stream io_reply_data)
{
cc_int32 err = ccNoError;
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_write (io_cache_collection->identifier, io_reply_data);
}
return cci_check_error (err);
}
/* ------------------------------------------------------------------------ */
static cc_int32 ccs_cache_collection_get_change_time (ccs_cache_collection_t io_cache_collection,
k5_ipc_stream in_request_data,
k5_ipc_stream io_reply_data)
{
cc_int32 err = ccNoError;
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 = krb5int_ipc_stream_write_time (io_reply_data, io_cache_collection->last_changed_time);
}
return cci_check_error (err);
}
/* ------------------------------------------------------------------------ */
static cc_int32 ccs_cache_collection_wait_for_change (ccs_pipe_t in_client_pipe,
ccs_pipe_t in_reply_pipe,
ccs_cache_collection_t io_cache_collection,
k5_ipc_stream in_request_data,
k5_ipc_stream 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_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 = krb5int_ipc_stream_read_time (in_request_data, &last_wait_for_change_time);
}
if (!err) {
if (last_wait_for_change_time < io_cache_collection->last_changed_time) {
err = krb5int_ipc_stream_write_time (io_reply_data, io_cache_collection->last_changed_time);
} else {
ccs_callback_t callback = NULL;
err = ccs_callback_new (&callback,
ccErrInvalidContext,
in_client_pipe,
in_reply_pipe,
(ccs_callback_owner_t) io_cache_collection,
ccs_cache_collection_invalidate_change_callback);
if (!err) {
err = ccs_callback_array_insert (io_cache_collection->change_callbacks, callback,
ccs_callback_array_count (io_cache_collection->change_callbacks));
if (!err) { callback = NULL; /* take ownership */ }
will_block = 1;
}
ccs_callback_release (callback);
}
}
if (!err) {
*out_will_block = will_block;
}
return cci_check_error (err);
}
/* ------------------------------------------------------------------------ */
static cc_int32 ccs_cache_collection_get_default_ccache_name (ccs_cache_collection_t io_cache_collection,
k5_ipc_stream in_request_data,
k5_ipc_stream io_reply_data)
{
cc_int32 err = ccNoError;
cc_uint64 count = 0;
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_list_count (io_cache_collection->ccaches, &count);
}
if (!err) {
if (count > 0) {
ccs_ccache_t ccache = NULL;
err = ccs_cache_collection_get_default_ccache (io_cache_collection, &ccache);
if (!err) {
err = ccs_ccache_write_name (ccache, io_reply_data);
}
} else {
err = krb5int_ipc_stream_write_string (io_reply_data,
k_cci_context_initial_ccache_name);
}
}
return cci_check_error (err);
}
/* ------------------------------------------------------------------------ */
static cc_int32 ccs_cache_collection_open_ccache (ccs_cache_collection_t io_cache_collection,
k5_ipc_stream in_request_data,
k5_ipc_stream io_reply_data)
{
cc_int32 err = ccNoError;
char *name = NULL;
ccs_ccache_t ccache = NULL;
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 = krb5int_ipc_stream_read_string (in_request_data, &name);
}
if (!err) {
err = ccs_cache_collection_find_ccache_by_name (io_cache_collection,
name, &ccache);
}
if (!err) {
err = ccs_ccache_write (ccache, io_reply_data);
}
krb5int_ipc_stream_free_string (name);
return cci_check_error (err);
}
/* ------------------------------------------------------------------------ */
static cc_int32 ccs_cache_collection_open_default_ccache (ccs_cache_collection_t io_cache_collection,
k5_ipc_stream in_request_data,
k5_ipc_stream io_reply_data)
{
cc_int32 err = ccNoError;
ccs_ccache_t ccache = NULL;
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_get_default_ccache (io_cache_collection,
&ccache);
}
if (!err) {
err = ccs_ccache_write (ccache, io_reply_data);
}
return cci_check_error (err);
}
/* ------------------------------------------------------------------------ */
static cc_int32 ccs_cache_collection_create_ccache (ccs_cache_collection_t io_cache_collection,
k5_ipc_stream in_request_data,
k5_ipc_stream io_reply_data)
{
cc_int32 err = ccNoError;
char *name = NULL;
cc_uint32 cred_vers;
char *principal = NULL;
ccs_ccache_t ccache = NULL;
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 = krb5int_ipc_stream_read_string (in_request_data, &name);
}
if (!err) {
err = krb5int_ipc_stream_read_uint32 (in_request_data, &cred_vers);
}
if (!err) {
err = krb5int_ipc_stream_read_string (in_request_data, &principal);
}
if (!err) {
cc_int32 terr = ccs_cache_collection_find_ccache_by_name (io_cache_collection,
name,
&ccache);
if (!terr) {
err = ccs_ccache_reset (ccache, io_cache_collection, cred_vers, principal);
} else {
err = ccs_ccache_new (&ccache, cred_vers, name, principal,
io_cache_collection->ccaches);
}
}
if (!err) {
err = ccs_ccache_write (ccache, io_reply_data);
}
if (!err) {
err = ccs_cache_collection_changed (io_cache_collection);
}
krb5int_ipc_stream_free_string (name);
krb5int_ipc_stream_free_string (principal);
return cci_check_error (err);
}
/* ------------------------------------------------------------------------ */
static cc_int32 ccs_cache_collection_create_default_ccache (ccs_cache_collection_t io_cache_collection,
k5_ipc_stream in_request_data,
k5_ipc_stream io_reply_data)
{
cc_int32 err = ccNoError;
cc_uint32 cred_vers;
char *principal = NULL;
ccs_ccache_t ccache = NULL;
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 = krb5int_ipc_stream_read_uint32 (in_request_data, &cred_vers);
}
if (!err) {
err = krb5int_ipc_stream_read_string (in_request_data, &principal);
}
if (!err) {
err = ccs_cache_collection_get_default_ccache (io_cache_collection,
&ccache);
if (!err) {
err = ccs_ccache_reset (ccache, io_cache_collection, cred_vers, principal);
} else if (err == ccErrCCacheNotFound) {
char *name = NULL;
err = ccs_cache_collection_get_next_unique_ccache_name (io_cache_collection,
&name);
if (!err) {
err = ccs_ccache_new (&ccache, cred_vers, name, principal,
io_cache_collection->ccaches);
}
free (name);
}
}
if (!err) {
err = ccs_ccache_write (ccache, io_reply_data);
}
if (!err) {
err = ccs_cache_collection_changed (io_cache_collection);
}
krb5int_ipc_stream_free_string (principal);
return cci_check_error (err);
}
/* ------------------------------------------------------------------------ */
static cc_int32 ccs_cache_collection_create_new_ccache (ccs_cache_collection_t io_cache_collection,
k5_ipc_stream in_request_data,
k5_ipc_stream io_reply_data)
{
cc_int32 err = ccNoError;
cc_uint32 cred_vers;
char *principal = NULL;
char *name = NULL;
ccs_ccache_t ccache = NULL;
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 = krb5int_ipc_stream_read_uint32 (in_request_data, &cred_vers);
}
if (!err) {
err = krb5int_ipc_stream_read_string (in_request_data, &principal);
}
if (!err) {
err = ccs_cache_collection_get_next_unique_ccache_name (io_cache_collection,
&name);
}
if (!err) {
err = ccs_ccache_new (&ccache, cred_vers, name, principal,
io_cache_collection->ccaches);
}
if (!err) {
err = ccs_ccache_write (ccache, io_reply_data);
}
if (!err) {
err = ccs_cache_collection_changed (io_cache_collection);
}
free (name);
krb5int_ipc_stream_free_string (principal);
return cci_check_error (err);
}
/* ------------------------------------------------------------------------ */
static cc_int32 ccs_cache_collection_new_ccache_iterator (ccs_cache_collection_t io_cache_collection,
ccs_pipe_t in_client_pipe,
k5_ipc_stream in_request_data,
k5_ipc_stream io_reply_data)
{
cc_int32 err = ccNoError;
ccs_ccache_iterator_t ccache_iterator = NULL;
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_ccache_list_new_iterator (io_cache_collection->ccaches,
in_client_pipe,
&ccache_iterator);
}
if (!err) {
err = ccs_ccache_list_iterator_write (ccache_iterator, io_reply_data);
}
return cci_check_error (err);
}
/* ------------------------------------------------------------------------ */
static cc_int32 ccs_cache_collection_lock (ccs_pipe_t in_client_pipe,
ccs_pipe_t in_reply_pipe,
ccs_cache_collection_t io_cache_collection,
k5_ipc_stream in_request_data,
cc_uint32 *out_will_block,
k5_ipc_stream 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_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 = krb5int_ipc_stream_read_uint32 (in_request_data, &lock_type);
}
if (!err) {
err = krb5int_ipc_stream_read_uint32 (in_request_data, &block);
}
if (!err) {
err = ccs_lock_state_add (io_cache_collection->lock_state,
in_client_pipe, in_reply_pipe,
lock_type, block, out_will_block);
}
return cci_check_error (err);
}
/* ------------------------------------------------------------------------ */
static cc_int32 ccs_cache_collection_unlock (ccs_pipe_t in_client_pipe,
ccs_cache_collection_t io_cache_collection,
k5_ipc_stream in_request_data,
k5_ipc_stream io_reply_data)
{
cc_int32 err = ccNoError;
if (!ccs_pipe_valid (in_client_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 (!io_reply_data ) { err = cci_check_error (ccErrBadParam); }
if (!err) {
err = ccs_lock_state_remove (io_cache_collection->lock_state,
in_client_pipe);
}
return cci_check_error (err);
}
#ifdef TARGET_OS_MAC
#pragma mark -
#endif
/* ------------------------------------------------------------------------ */
cc_int32 ccs_cache_collection_handle_message (ccs_pipe_t in_client_pipe,
ccs_pipe_t in_reply_pipe,
ccs_cache_collection_t io_cache_collection,
enum cci_msg_id_t in_request_name,
k5_ipc_stream in_request_data,
cc_uint32 *out_will_block,
k5_ipc_stream *out_reply_data)
{
cc_int32 err = ccNoError;
cc_uint32 will_block = 0;
k5_ipc_stream 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 = krb5int_ipc_stream_new (&reply_data);
}
if (!err) {
if (in_request_name == cci_context_unused_release_msg_id) {
/* Old release message. Do nothing. */
} else if (in_request_name == cci_context_sync_msg_id) {
err = ccs_cache_collection_sync (io_cache_collection,
in_request_data, reply_data);
} else if (in_request_name == cci_context_get_change_time_msg_id) {
err = ccs_cache_collection_get_change_time (io_cache_collection,
in_request_data, reply_data);
} else if (in_request_name == cci_context_wait_for_change_msg_id) {
err = ccs_cache_collection_wait_for_change (in_client_pipe, in_reply_pipe,
io_cache_collection,
in_request_data, reply_data,
&will_block);
} else if (in_request_name == cci_context_get_default_ccache_name_msg_id) {
err = ccs_cache_collection_get_default_ccache_name (io_cache_collection,
in_request_data, reply_data);
} else if (in_request_name == cci_context_open_ccache_msg_id) {
err = ccs_cache_collection_open_ccache (io_cache_collection,
in_request_data, reply_data);
} else if (in_request_name == cci_context_open_default_ccache_msg_id) {
err = ccs_cache_collection_open_default_ccache (io_cache_collection,
in_request_data, reply_data);
} else if (in_request_name == cci_context_create_ccache_msg_id) {
err = ccs_cache_collection_create_ccache (io_cache_collection,
in_request_data, reply_data);
} else if (in_request_name == cci_context_create_default_ccache_msg_id) {
err = ccs_cache_collection_create_default_ccache (io_cache_collection,
in_request_data, reply_data);
} else if (in_request_name == cci_context_create_new_ccache_msg_id) {
err = ccs_cache_collection_create_new_ccache (io_cache_collection,
in_request_data, reply_data);
} else if (in_request_name == cci_context_new_ccache_iterator_msg_id) {
err = ccs_cache_collection_new_ccache_iterator (io_cache_collection,
in_client_pipe,
in_request_data,
reply_data);
} else if (in_request_name == cci_context_lock_msg_id) {
err = ccs_cache_collection_lock (in_client_pipe, in_reply_pipe,
io_cache_collection,
in_request_data,
&will_block, reply_data);
} else if (in_request_name == cci_context_unlock_msg_id) {
err = ccs_cache_collection_unlock (in_client_pipe, 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;
}
}
krb5int_ipc_stream_release (reply_data);
return cci_check_error (err);
}