static int ssl_module_load(const char **error_r)
{
#ifdef HAVE_SSL
const char *plugin_name = "ssl_iostream_openssl";
struct module_dir_load_settings mod_set;
memset(&mod_set, 0, sizeof(mod_set));
mod_set.abi_version = DOVECOT_ABI_VERSION;
mod_set.setting_name = "<built-in lib-ssl-iostream lookup>";
ssl_module = module_dir_load(MODULE_DIR, plugin_name, &mod_set);
ssl_vfuncs = module_get_symbol(ssl_module, "ssl_vfuncs");
if (ssl_vfuncs == NULL) {
*error_r = t_strdup_printf("%s: Broken plugin: "
"ssl_vfuncs symbol not found", plugin_name);
module_dir_unload(&ssl_module);
return -1;
}
/* Destroy SSL module after (most of) the others. Especially lib-fs
backends may still want to access SSL module in their own
atexit-callbacks. */
lib_atexit_priority(ssl_module_unload, LIB_ATEXIT_PRIORITY_LOW);
ssl_module_loaded = TRUE;
return 0;
#else
*error_r = "SSL support not compiled in";
return -1;
#endif
}
bool dcrypt_initialize(const char *backend, const struct dcrypt_settings *set, const char **error_r)
{
struct module_dir_load_settings mod_set;
const char *error;
if (dcrypt_vfs != NULL) {
return TRUE;
}
if (backend == NULL) backend = "openssl"; /* default for now */
if (set == NULL)
set = &dcrypt_default_set;
const char *implementation = t_strconcat("dcrypt_",backend,NULL);
memset(&mod_set, 0, sizeof(mod_set));
mod_set.abi_version = DOVECOT_ABI_VERSION;
mod_set.require_init_funcs = TRUE;
if (module_dir_try_load_missing(&dcrypt_module, DCRYPT_MODULE_DIR,
implementation, &mod_set, &error) < 0) {
if (error_r != NULL)
*error_r = error;
return FALSE;
}
module_dir_init(dcrypt_module);
i_assert(dcrypt_vfs != NULL);
if (dcrypt_vfs->initialize != NULL) {
if (!dcrypt_vfs->initialize(set, error_r)) {
dcrypt_deinitialize();
return FALSE;
}
}
/* Destroy SSL module after(most of) the others. Especially lib-fs
backends may still want to access SSL module in their own
atexit-callbacks. */
lib_atexit_priority(dcrypt_deinitialize, LIB_ATEXIT_PRIORITY_LOW);
return TRUE;
}