2 * External password backend
3 * Copyright (c) 2012, Jouni Malinen <j@w1.fi>
5 * This software may be distributed under the terms of the BSD license.
6 * See README for more details.
13 #endif /* __linux__ */
16 #include "ext_password_i.h"
19 static const struct ext_password_backend *backends[] = {
20 #ifdef CONFIG_EXT_PASSWORD_TEST
22 #endif /* CONFIG_EXT_PASSWORD_TEST */
26 struct ext_password_data {
27 const struct ext_password_backend *backend;
32 struct ext_password_data * ext_password_init(const char *backend,
35 struct ext_password_data *data;
38 data = os_zalloc(sizeof(*data));
42 for (i = 0; backends[i]; i++) {
43 if (os_strcmp(backends[i]->name, backend) == 0) {
44 data->backend = backends[i];
54 data->priv = data->backend->init(params);
55 if (data->priv == NULL) {
64 void ext_password_deinit(struct ext_password_data *data)
66 if (data && data->backend && data->priv)
67 data->backend->deinit(data->priv);
72 struct wpabuf * ext_password_get(struct ext_password_data *data,
77 return data->backend->get(data->priv, name);
81 struct wpabuf * ext_password_alloc(size_t len)
85 buf = wpabuf_alloc(len);
90 if (mlock(wpabuf_head(buf), wpabuf_len(buf)) < 0) {
91 wpa_printf(MSG_ERROR, "EXT PW: mlock failed: %s",
94 #endif /* __linux__ */
100 void ext_password_free(struct wpabuf *pw)
104 os_memset(wpabuf_mhead(pw), 0, wpabuf_len(pw));
106 if (munlock(wpabuf_head(pw), wpabuf_len(pw)) < 0) {
107 wpa_printf(MSG_ERROR, "EXT PW: munlock failed: %s",
110 #endif /* __linux__ */