#include <ltdl.h>
-int load_null (const void *module, const char *file_name);
-int load_extension (const void *module, const char *file_name);
+typedef int (*MODULE_INIT_FN)(
+ int argc,
+ char *argv[]);
+typedef int (*MODULE_LOAD_FN)(
+ const void *module,
+ const char *filename);
+typedef int (*MODULE_TERM_FN)(void);
+
struct module_regtable_t {
char *type;
- int (*proc)(const void *module, const char *file_name);
+ MODULE_LOAD_FN proc;
} module_regtable[] = {
- { "null", load_null },
- { "extension", load_extension },
- { NULL, NULL }
- };
+ { "null", load_null_module },
+#ifdef SLAPD_EXTERNAL_EXTENSIONS
+ { "extension", load_extop_module },
+#endif
+ { NULL, NULL }
+};
typedef struct module_loaded_t {
struct module_loaded_t *next;
- lt_dlhandle *lib;
+ lt_dlhandle lib;
} module_loaded_t;
module_loaded_t *module_list = NULL;
-int module_unload (module_loaded_t *module);
+static int module_unload (module_loaded_t *module);
int module_init (void)
{
if (lt_dlinit()) {
const char *error = lt_dlerror();
+#ifdef NEW_LOGGING
+ LDAP_LOG( SLAPD, CRIT,
+ "module_init: lt_ldinit failed: %s\n", error, 0, 0 );
+#else
Debug(LDAP_DEBUG_ANY, "lt_dlinit failed: %s\n", error, 0, 0);
+#endif
+
return -1;
}
return 0;
if (lt_dlexit()) {
const char *error = lt_dlerror();
+#ifdef NEW_LOGGING
+ LDAP_LOG( SLAPD, CRIT, "module_kill: lt_dlexit failed: %s\n",
+ error, 0, 0 );
+#else
Debug(LDAP_DEBUG_ANY, "lt_dlexit failed: %s\n", error, 0, 0);
+#endif
+
return -1;
}
return 0;
module_loaded_t *module = NULL;
const char *error;
int rc;
- int (*initialize) LDAP_P((int argc, char *argv[]));
+ MODULE_INIT_FN initialize;
module = (module_loaded_t *)ch_calloc(1, sizeof(module_loaded_t));
if (module == NULL) {
+#ifdef NEW_LOGGING
+ LDAP_LOG( SLAPD, CRIT,
+ "module_load: (%s) out of memory.\n", file_name, 0, 0 );
+#else
Debug(LDAP_DEBUG_ANY, "module_load failed: (%s) out of memory\n", file_name,
0, 0);
+#endif
+
return -1;
}
*/
if ((module->lib = lt_dlopen(file_name)) == NULL) {
error = lt_dlerror();
+#ifdef NEW_LOGGING
+ LDAP_LOG( SLAPD, CRIT,
+ "module_load: lt_dlopen failed: (%s) %s.\n",
+ file_name, error, 0 );
+#else
Debug(LDAP_DEBUG_ANY, "lt_dlopen failed: (%s) %s\n", file_name,
error, 0);
+#endif
+
ch_free(module);
return -1;
}
+#ifdef NEW_LOGGING
+ LDAP_LOG( SLAPD, INFO, "module_load: loaded module %s\n", file_name, 0, 0 );
+#else
Debug(LDAP_DEBUG_CONFIG, "loaded module %s\n", file_name, 0, 0);
+#endif
+
if ((initialize = lt_dlsym(module->lib, "init_module")) == NULL) {
+#ifdef NEW_LOGGING
+ LDAP_LOG( SLAPD, ERR,
+ "module_load: module %s : no init_module() function found\n",
+ file_name, 0, 0 );
+#else
Debug(LDAP_DEBUG_CONFIG, "module %s: no init_module() function found\n",
file_name, 0, 0);
+#endif
+
lt_dlclose(module->lib);
ch_free(module);
return -1;
*/
rc = initialize(argc, argv);
if (rc == -1) {
+#ifdef NEW_LOGGING
+ LDAP_LOG( SLAPD, ERR,
+ "module_load: module %s init_module() failed\n", file_name, 0, 0);
+#else
Debug(LDAP_DEBUG_CONFIG, "module %s: init_module() failed\n",
file_name, 0, 0);
+#endif
+
lt_dlclose(module->lib);
ch_free(module);
return rc;
}
- if (rc >= (sizeof(module_regtable) / sizeof(struct module_regtable_t))
+ if (rc >= (int)(sizeof(module_regtable) / sizeof(struct module_regtable_t))
|| module_regtable[rc].proc == NULL)
{
+#ifdef NEW_LOGGING
+ LDAP_LOG( SLAPD, ERR,
+ "module_load: module %s: unknown registration type (%d).\n",
+ file_name, 0);
+#else
Debug(LDAP_DEBUG_CONFIG, "module %s: unknown registration type (%d)\n",
file_name, rc, 0);
+#endif
+
module_unload(module);
return -1;
}
rc = (module_regtable[rc].proc)(module, file_name);
if (rc != 0) {
+#ifdef NEW_LOGGING
+ LDAP_LOG( SLAPD, ERR,
+ "module_load: module %s:%s could not be registered.\n",
+ file_name, module_regtable[rc].type, 0 );
+#else
Debug(LDAP_DEBUG_CONFIG, "module %s: %s module could not be registered\n",
file_name, module_regtable[rc].type, 0);
+#endif
+
module_unload(module);
return rc;
}
module->next = module_list;
module_list = module;
+#ifdef NEW_LOGGING
+ LDAP_LOG( SLAPD, INFO,
+ "module_load: module %s:%s registered\n", file_name,
+ module_regtable[rc].type, 0 );
+#else
Debug(LDAP_DEBUG_CONFIG, "module %s: %s module registered\n",
file_name, module_regtable[rc].type, 0);
+#endif
+
return 0;
}
return(lt_dlsym(((module_loaded_t *)module)->lib, name));
}
-int module_unload (module_loaded_t *module)
+static int module_unload (module_loaded_t *module)
{
module_loaded_t *mod;
- int (*terminate) LDAP_P((void));
+ MODULE_TERM_FN terminate;
if (module != NULL) {
/* remove module from tracking list */
return 0;
}
-int load_null (const void *module, const char *file_name)
+int load_null_module (const void *module, const char *file_name)
{
return 0;
}
+#ifdef SLAPD_EXTERNAL_EXTENSIONS
+int
+load_extop_module (
+ const void *module,
+ const char *file_name
+)
+{
+ SLAP_EXTOP_MAIN_FN *ext_main;
+ int (*ext_getoid)(int index, char *oid, int blen);
+ char *oid;
+ int rc;
+
+ ext_main = (SLAP_EXTOP_MAIN_FN *)module_resolve(module, "ext_main");
+ if (ext_main == NULL) {
+ return(-1);
+ }
+
+ ext_getoid = module_resolve(module, "ext_getoid");
+ if (ext_getoid == NULL) {
+ return(-1);
+ }
+
+ oid = ch_malloc(256);
+ rc = (ext_getoid)(0, oid, 256);
+ if (rc != 0) {
+ ch_free(oid);
+ return(rc);
+ }
+ if (*oid == 0) {
+ free(oid);
+ return(-1);
+ }
+
+ rc = load_extop( oid, ext_main );
+ free(oid);
+ return rc;
+}
+#endif /* SLAPD_EXTERNAL_EXTENSIONS */
#endif /* SLAPD_MODULES */