struct radius_ms_mppe_keys *
Radius_msg_get_ms_keys(struct radius_msg *msg, struct radius_msg *sent_msg,
u8 *secret, size_t secret_len)
{
u8 *key;
size_t keylen;
struct radius_ms_mppe_keys *keys;
if (msg == NULL || sent_msg == NULL)
return NULL;
keys = (struct radius_ms_mppe_keys *) malloc(sizeof(*keys));
if (keys == NULL)
return NULL;
memset(keys, 0, sizeof(*keys));
key = Radius_msg_get_ms_attr(msg, RADIUS_VENDOR_ATTR_MS_MPPE_SEND_KEY, &keylen);
if (key)
{
keys->send = decrypt_ms_key(key, keylen, sent_msg, secret, secret_len, &keys->send_len);
free(key);
}
DBGPRINT(RT_DEBUG_INFO," secret_len = %d, secret= %s\n",secret_len,secret);
key = Radius_msg_get_ms_attr(msg, RADIUS_VENDOR_ATTR_MS_MPPE_RECV_KEY, &keylen);
if (key)
{
keys->recv = decrypt_ms_key(key, keylen, sent_msg, secret, secret_len, &keys->recv_len);
free(key);
}
return keys;
}
struct radius_ms_mppe_keys *
radius_msg_get_cisco_keys(struct radius_msg *msg, struct radius_msg *sent_msg,
u8 *secret, size_t secret_len)
{
u8 *key;
size_t keylen;
struct radius_ms_mppe_keys *keys;
if (msg == NULL || sent_msg == NULL)
return NULL;
keys = wpa_zalloc(sizeof(*keys));
if (keys == NULL)
return NULL;
key = radius_msg_get_vendor_attr(msg, RADIUS_VENDOR_ID_CISCO,
RADIUS_CISCO_AV_PAIR, &keylen);
if (key && keylen == 51 &&
os_memcmp(key, "leap:session-key=", 17) == 0) {
keys->recv = decrypt_ms_key(key + 17, keylen - 17,
sent_msg->hdr->authenticator,
secret, secret_len,
&keys->recv_len);
}
os_free(key);
return keys;
}
struct radius_ms_mppe_keys *
radius_msg_get_ms_keys(struct radius_msg *msg, struct radius_msg *sent_msg,
const u8 *secret, size_t secret_len)
{
u8 *key;
size_t keylen;
struct radius_ms_mppe_keys *keys;
if (msg == NULL || sent_msg == NULL)
return NULL;
keys = os_zalloc(sizeof(*keys));
if (keys == NULL)
return NULL;
key = radius_msg_get_vendor_attr(msg, RADIUS_VENDOR_ID_MICROSOFT,
RADIUS_VENDOR_ATTR_MS_MPPE_SEND_KEY,
&keylen);
if (key) {
keys->send = decrypt_ms_key(key, keylen,
sent_msg->hdr->authenticator,
secret, secret_len,
&keys->send_len);
if (!keys->send) {
wpa_printf(MSG_DEBUG,
"RADIUS: Failed to decrypt send key");
}
os_free(key);
}
key = radius_msg_get_vendor_attr(msg, RADIUS_VENDOR_ID_MICROSOFT,
RADIUS_VENDOR_ATTR_MS_MPPE_RECV_KEY,
&keylen);
if (key) {
keys->recv = decrypt_ms_key(key, keylen,
sent_msg->hdr->authenticator,
secret, secret_len,
&keys->recv_len);
if (!keys->recv) {
wpa_printf(MSG_DEBUG,
"RADIUS: Failed to decrypt recv key");
}
os_free(key);
}
return keys;
}
struct radius_ms_mppe_keys *
radius_msg_get_ms_keys(struct radius_msg *msg, struct radius_msg *sent_msg,
u8 *secret, size_t secret_len)
{
u8 *key;
size_t keylen;
struct radius_ms_mppe_keys *keys;
if (msg == NULL || sent_msg == NULL)
return NULL;
keys = (struct radius_ms_mppe_keys *) malloc(sizeof(*keys));
if (keys == NULL)
return NULL;
memset(keys, 0, sizeof(*keys));
key = radius_msg_get_vendor_attr(msg, RADIUS_VENDOR_ID_MICROSOFT,
RADIUS_VENDOR_ATTR_MS_MPPE_SEND_KEY,
&keylen);
if (key) {
keys->send = decrypt_ms_key(key, keylen,
sent_msg->hdr->authenticator,
secret, secret_len,
&keys->send_len);
free(key);
}
key = radius_msg_get_vendor_attr(msg, RADIUS_VENDOR_ID_MICROSOFT,
RADIUS_VENDOR_ATTR_MS_MPPE_RECV_KEY,
&keylen);
if (key) {
keys->recv = decrypt_ms_key(key, keylen,
sent_msg->hdr->authenticator,
secret, secret_len,
&keys->recv_len);
free(key);
}
return keys;
}