This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2 of the License, or
+ the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "includes.h"
-
-#ifdef HAVE_DLOPEN
-NTSTATUS smb_load_module(const char *module_name)
-{
- void *handle;
- init_module_function *init;
- NTSTATUS status;
- const char *error;
-
- /* Always try to use LAZY symbol resolving; if the plugin has
- * backwards compatibility, there might be symbols in the
- * plugin referencing to old (removed) functions
- */
- handle = sys_dlopen(module_name, RTLD_LAZY);
-
- if(!handle) {
- DEBUG(0, ("Error loading module '%s': %s\n", module_name, sys_dlerror()));
- return NT_STATUS_UNSUCCESSFUL;
- }
-
- init = sys_dlsym(handle, "init_module");
-
- /* we must check sys_dlerror() to determine if it worked, because
- sys_dlsym() can validly return NULL */
- error = sys_dlerror();
- if (error) {
- DEBUG(0, ("Error trying to resolve symbol 'init_module' in %s: %s\n", module_name, error));
- return NT_STATUS_UNSUCCESSFUL;
- }
-
- status = init();
-
- DEBUG(2, ("Module '%s' loaded\n", module_name));
-
- return status;
-}
-
-/* Load all modules in list and return number of
- * modules that has been successfully loaded */
-int smb_load_modules(const char **modules)
-{
- int i;
- int success = 0;
-
- for(i = 0; modules[i]; i++){
- if(NT_STATUS_IS_OK(smb_load_module(modules[i]))) {
- success++;
- }
- }
-
- DEBUG(2, ("%d modules successfully loaded\n", success));
-
- return success;
-}
-
-NTSTATUS smb_probe_module(const char *subsystem, const char *module)
-{
- pstring full_path;
-
- /* Check for absolute path */
-
- /* if we make any 'samba multibyte string'
- calls here, we break
- for loading string modules */
- if (module[0] == '/')
- return smb_load_module(module);
-
- pstrcpy(full_path, lib_path(subsystem));
- pstrcat(full_path, "/");
- pstrcat(full_path, module);
- pstrcat(full_path, ".");
- pstrcat(full_path, shlib_ext());
-
- DEBUG(5, ("Probing module %s: Trying to load from %s\n", module, full_path));
-
- return smb_load_module(full_path);
-}
-
-#else /* HAVE_DLOPEN */
-
-NTSTATUS smb_load_module(const char *module_name)
-{
- DEBUG(0,("This samba executable has not been built with plugin support\n"));
- return NT_STATUS_NOT_SUPPORTED;
-}
-
-int smb_load_modules(const char **modules)
-{
- DEBUG(0,("This samba executable has not been built with plugin support\n"));
- return -1;
-}
-
-NTSTATUS smb_probe_module(const char *subsystem, const char *module)
-{
- DEBUG(0,("This samba executable has not been built with plugin support, not probing\n"));
- return NT_STATUS_NOT_SUPPORTED;
-}
-
-#endif /* HAVE_DLOPEN */
-
-void init_modules(void)
-{
- /* FIXME: This can cause undefined symbol errors :
- * smb_register_vfs() isn't available in nmbd, for example */
- if(lp_preload_modules())
- smb_load_modules(lp_preload_modules());
-}
-
-
-/*************************************************************************
- * This functions /path/to/foobar.so -> foobar
- ************************************************************************/
-void module_path_get_name(const char *path, pstring name)
-{
- char *s;
-
- /* First, make the path relative */
- s = strrchr(path, '/');
- if(s) pstrcpy(name, s+1);
- else pstrcpy(name, path);
-
- if (dyn_SHLIBEXT && *dyn_SHLIBEXT && strlen(dyn_SHLIBEXT) < strlen(name)) {
- int n = strlen(name) - strlen(dyn_SHLIBEXT);
-
- /* Remove extension if necessary */
- if (name[n-1] == '.' && !strcmp(name+n, dyn_SHLIBEXT)) {
- name[n-1] = '\0';
- }
- }
-}
-
-
-/***************************************************************************
- * This Function registers a idle event
- *
- * the registered funtions are run periodically
- * and maybe shutdown idle connections (e.g. to an LDAP server)
- ***************************************************************************/
-static smb_idle_event_struct *smb_idle_event_list = NULL;
-NTSTATUS smb_register_idle_event(smb_idle_event_struct *idle_event)
-{
- if (!idle_event) {
- return NT_STATUS_INVALID_PARAMETER;
- }
-
- idle_event->last_run = 0;
-
- DLIST_ADD(smb_idle_event_list,idle_event);
-
- return NT_STATUS_OK;
-}
-
-NTSTATUS smb_unregister_idle_event(smb_idle_event_struct *idle_event)
-{
- if (!idle_event) {
- return NT_STATUS_INVALID_PARAMETER;
- }
-
- DLIST_REMOVE(smb_idle_event_list,idle_event);
-
- return NT_STATUS_OK;
-}
-
-void smb_run_idle_events(time_t now)
-{
- smb_idle_event_struct *tmp_event = smb_idle_event_list;
-
- while (tmp_event) {
- time_t interval;
-
- if (tmp_event->fn) {
- if (tmp_event->interval >= SMB_IDLE_EVENT_MIN_INTERVAL) {
- interval = tmp_event->interval;
- } else {
- interval = SMB_IDLE_EVENT_DEFAULT_INTERVAL;
- }
- if (now >(tmp_event->last_run+interval)) {
- tmp_event->fn(&tmp_event,now);
- tmp_event->last_run = now;
- }
- }
-
- tmp_event = tmp_event->next;
- }
-
- return;
-}
-
-/***************************************************************************
- * This Function registers a exit event
- *
- * the registered funtions are run on exit()
- * and maybe shutdown idle connections (e.g. to an LDAP server)
- ***************************************************************************/
-static smb_exit_event_struct *smb_exit_event_list = NULL;
-NTSTATUS smb_register_exit_event(smb_exit_event_struct *exit_event)
-{
- if (!exit_event) {
- return NT_STATUS_INVALID_PARAMETER;
- }
-
- DLIST_ADD(smb_exit_event_list,exit_event);
-
- return NT_STATUS_OK;
-}
-
-NTSTATUS smb_unregister_exit_event(smb_exit_event_struct *exit_event)
-{
- if (!exit_event) {
- return NT_STATUS_INVALID_PARAMETER;
- }
-
- DLIST_REMOVE(smb_exit_event_list,exit_event);
-
- return NT_STATUS_OK;
-}
-
-void smb_run_exit_events(void)
-{
- smb_exit_event_struct *tmp_event = smb_exit_event_list;
-
- while (tmp_event) {
- if (tmp_event->fn) {
- tmp_event->fn(&tmp_event);
- }
- tmp_event = tmp_event->next;
- }
-
- /* run exit_events only once */
- smb_exit_event_list = NULL;
-
- return;
-}
-
git.samba.org / samba.git / blobdiff