static void _c2s_ar_free(const char *module, int modulelen, void *val, void *arg) {
authreg_t ar = (authreg_t) val;
authreg_free(ar);
}
/** get a handle for the named module */
authreg_t authreg_init(c2s_t c2s, char *name) {
char mod_fullpath[PATH_MAX], *modules_path;
ar_module_init_fn init_fn = NULL;
authreg_t ar;
void *handle;
/* load authreg module */
modules_path = config_get_one(c2s->config, "authreg.path", 0);
if (modules_path != NULL)
log_write(c2s->log, LOG_NOTICE, "modules search path: %s", modules_path);
else
log_write(c2s->log, LOG_NOTICE, "modules search path undefined, using default: "LIBRARY_DIR);
log_write(c2s->log, LOG_INFO, "loading '%s' authreg module", name);
#ifndef _WIN32
if (modules_path != NULL)
snprintf(mod_fullpath, PATH_MAX, "%s/authreg_%s.so", modules_path, name);
else
snprintf(mod_fullpath, PATH_MAX, "%s/authreg_%s.so", LIBRARY_DIR, name);
handle = dlopen(mod_fullpath, RTLD_LAZY);
if (handle != NULL)
init_fn = dlsym(handle, "ar_init");
#else
if (modules_path != NULL)
snprintf(mod_fullpath, PATH_MAX, "%s\\authreg_%s.dll", modules_path, name);
else
snprintf(mod_fullpath, PATH_MAX, "authreg_%s.dll", name);
handle = (void*) LoadLibrary(mod_fullpath);
if (handle != NULL)
init_fn = (ar_module_init_fn)GetProcAddress((HMODULE) handle, "ar_init");
#endif
if (handle != NULL && init_fn != NULL) {
log_debug(ZONE, "preloaded module '%s' (not initialized yet)", name);
} else {
#ifndef _WIN32
log_write(c2s->log, LOG_ERR, "failed loading authreg module '%s' (%s)", name, dlerror());
if (handle != NULL)
dlclose(handle);
#else
log_write(c2s->log, LOG_ERR, "failed loading authreg module '%s' (errcode: %x)", name, GetLastError());
if (handle != NULL)
FreeLibrary((HMODULE) handle);
#endif
return NULL;
}
/* make a new one */
ar = (authreg_t) calloc(1, sizeof(struct authreg_st));
ar->c2s = c2s;
/* call the initialiser */
if((init_fn)(ar) != 0)
{
log_write(c2s->log, LOG_ERR, "failed to initialize auth module '%s'", name);
authreg_free(ar);
return NULL;
}
/* we need user_exists(), at the very least */
if(ar->user_exists == NULL)
{
log_write(c2s->log, LOG_ERR, "auth module '%s' has no check for user existence", name);
authreg_free(ar);
return NULL;
}
/* its good */
log_write(c2s->log, LOG_NOTICE, "initialized auth module '%s'", name);
return ar;
}
