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[openldap] / servers / slapd / module.c

diff --git a/servers/slapd/module.c b/servers/slapd/module.c
index 91d5b124e04c67c0858a4be1be61eeb9ca005279..4559be0e0cf556c6b4b240de504e9a2a75544fbd 100644 (file)
--- a/servers/slapd/module.c
+++ b/servers/slapd/module.c
@@ -7,17 +7,25 @@
 
 #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;
@@ -26,7 +34,7 @@ typedef struct 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)
 {
@@ -58,7 +66,7 @@ int module_load(const char* file_name, int argc, char *argv[])
        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) {
@@ -151,10 +159,10 @@ void *module_resolve (const void *module, const char *name)
        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 */
@@ -181,10 +189,48 @@ int module_unload (module_loaded_t *module)
        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 */