#include "utils/common.h"
#include "utils/eloop.h"
-#include "crypto/sha1.h"
#include "radius/radius.h"
#include "radius/radius_client.h"
#include "hostapd.h"
struct hostapd_cached_radius_acl *next;
u32 session_timeout;
u32 acct_interim_interval;
- int vlan_id;
+ struct vlan_description vlan_id;
struct hostapd_sta_wpa_psk_short *psk;
char *identity;
char *radius_cui;
static void copy_psk_list(struct hostapd_sta_wpa_psk_short **psk,
struct hostapd_sta_wpa_psk_short *src)
{
- struct hostapd_sta_wpa_psk_short **copy_to;
- struct hostapd_sta_wpa_psk_short *copy_from;
-
- /* Copy PSK linked list */
- copy_to = psk;
- copy_from = src;
- while (copy_from && copy_to) {
- *copy_to = os_zalloc(sizeof(struct hostapd_sta_wpa_psk_short));
- if (*copy_to == NULL)
- break;
- os_memcpy(*copy_to, copy_from,
- sizeof(struct hostapd_sta_wpa_psk_short));
- copy_from = copy_from->next;
- copy_to = &((*copy_to)->next);
- }
- if (copy_to)
- *copy_to = NULL;
+ if (!psk)
+ return;
+
+ if (src)
+ src->ref++;
+
+ *psk = src;
}
static int hostapd_acl_cache_get(struct hostapd_data *hapd, const u8 *addr,
u32 *session_timeout,
- u32 *acct_interim_interval, int *vlan_id,
+ u32 *acct_interim_interval,
+ struct vlan_description *vlan_id,
struct hostapd_sta_wpa_psk_short **psk,
char **identity, char **radius_cui)
{
if (msg == NULL)
return -1;
- radius_msg_make_authenticator(msg, addr, ETH_ALEN);
+ if (radius_msg_make_authenticator(msg) < 0) {
+ wpa_printf(MSG_INFO, "Could not make Request Authenticator");
+ goto fail;
+ }
os_snprintf(buf, sizeof(buf), RADIUS_ADDR_FORMAT, MAC2STR(addr));
if (!radius_msg_add_attr(msg, RADIUS_ATTR_USER_NAME, (u8 *) buf,
/**
+ * hostapd_check_acl - Check a specified STA against accept/deny ACLs
+ * @hapd: hostapd BSS data
+ * @addr: MAC address of the STA
+ * @vlan_id: Buffer for returning VLAN ID
+ * Returns: HOSTAPD_ACL_ACCEPT, HOSTAPD_ACL_REJECT, or HOSTAPD_ACL_PENDING
+ */
+int hostapd_check_acl(struct hostapd_data *hapd, const u8 *addr,
+ struct vlan_description *vlan_id)
+{
+ if (hostapd_maclist_found(hapd->conf->accept_mac,
+ hapd->conf->num_accept_mac, addr, vlan_id))
+ return HOSTAPD_ACL_ACCEPT;
+
+ if (hostapd_maclist_found(hapd->conf->deny_mac,
+ hapd->conf->num_deny_mac, addr, vlan_id))
+ return HOSTAPD_ACL_REJECT;
+
+ if (hapd->conf->macaddr_acl == ACCEPT_UNLESS_DENIED)
+ return HOSTAPD_ACL_ACCEPT;
+ if (hapd->conf->macaddr_acl == DENY_UNLESS_ACCEPTED)
+ return HOSTAPD_ACL_REJECT;
+
+ return HOSTAPD_ACL_PENDING;
+}
+
+
+/**
* hostapd_allowed_address - Check whether a specified STA can be authenticated
* @hapd: hostapd BSS data
* @addr: MAC address of the STA
*/
int hostapd_allowed_address(struct hostapd_data *hapd, const u8 *addr,
const u8 *msg, size_t len, u32 *session_timeout,
- u32 *acct_interim_interval, int *vlan_id,
+ u32 *acct_interim_interval,
+ struct vlan_description *vlan_id,
struct hostapd_sta_wpa_psk_short **psk,
char **identity, char **radius_cui)
{
+ int res;
+
if (session_timeout)
*session_timeout = 0;
if (acct_interim_interval)
*acct_interim_interval = 0;
if (vlan_id)
- *vlan_id = 0;
+ os_memset(vlan_id, 0, sizeof(*vlan_id));
if (psk)
*psk = NULL;
if (identity)
if (radius_cui)
*radius_cui = NULL;
- if (hostapd_maclist_found(hapd->conf->accept_mac,
- hapd->conf->num_accept_mac, addr, vlan_id))
- return HOSTAPD_ACL_ACCEPT;
-
- if (hostapd_maclist_found(hapd->conf->deny_mac,
- hapd->conf->num_deny_mac, addr, vlan_id))
- return HOSTAPD_ACL_REJECT;
-
- if (hapd->conf->macaddr_acl == ACCEPT_UNLESS_DENIED)
- return HOSTAPD_ACL_ACCEPT;
- if (hapd->conf->macaddr_acl == DENY_UNLESS_ACCEPTED)
- return HOSTAPD_ACL_REJECT;
+ res = hostapd_check_acl(hapd, addr, vlan_id);
+ if (res != HOSTAPD_ACL_PENDING)
+ return res;
if (hapd->conf->macaddr_acl == USE_EXTERNAL_RADIUS_AUTH) {
#ifdef CONFIG_NO_RADIUS
struct hostapd_acl_query_data *query;
/* Check whether ACL cache has an entry for this station */
- int res = hostapd_acl_cache_get(hapd, addr, session_timeout,
- acct_interim_interval,
- vlan_id, psk,
- identity, radius_cui);
+ res = hostapd_acl_cache_get(hapd, addr, session_timeout,
+ acct_interim_interval, vlan_id, psk,
+ identity, radius_cui);
if (res == HOSTAPD_ACL_ACCEPT ||
res == HOSTAPD_ACL_ACCEPT_TIMEOUT)
return res;
struct hostapd_cached_radius_acl *cache)
{
int passphraselen;
- char *passphrase, *strpassphrase;
+ char *passphrase;
size_t i;
struct hostapd_sta_wpa_psk_short *psk;
*/
if (passphrase == NULL)
break;
+
+ /*
+ * Passphase should be 8..63 chars (to be hashed with SSID)
+ * or 64 chars hex string (no separate hashing with SSID).
+ */
+
+ if (passphraselen < MIN_PASSPHRASE_LEN ||
+ passphraselen > MAX_PASSPHRASE_LEN + 1)
+ goto free_pass;
+
/*
* passphrase does not contain the NULL termination.
* Add it here as pbkdf2_sha1() requires it.
*/
- strpassphrase = os_zalloc(passphraselen + 1);
psk = os_zalloc(sizeof(struct hostapd_sta_wpa_psk_short));
- if (strpassphrase && psk) {
- os_memcpy(strpassphrase, passphrase, passphraselen);
- pbkdf2_sha1(strpassphrase,
- hapd->conf->ssid.ssid,
- hapd->conf->ssid.ssid_len, 4096,
- psk->psk, PMK_LEN);
+ if (psk) {
+ if ((passphraselen == MAX_PASSPHRASE_LEN + 1) &&
+ (hexstr2bin(passphrase, psk->psk, PMK_LEN) < 0)) {
+ hostapd_logger(hapd, cache->addr,
+ HOSTAPD_MODULE_RADIUS,
+ HOSTAPD_LEVEL_WARNING,
+ "invalid hex string (%d chars) in Tunnel-Password",
+ passphraselen);
+ goto skip;
+ } else if (passphraselen <= MAX_PASSPHRASE_LEN) {
+ os_memcpy(psk->passphrase, passphrase,
+ passphraselen);
+ psk->is_passphrase = 1;
+ }
psk->next = cache->psk;
cache->psk = psk;
psk = NULL;
}
- os_free(strpassphrase);
+skip:
os_free(psk);
+free_pass:
os_free(passphrase);
}
}
struct hostapd_acl_query_data *query, *prev;
struct hostapd_cached_radius_acl *cache;
struct radius_hdr *hdr = radius_msg_get_hdr(msg);
+ int *untagged, *tagged, *notempty;
query = hapd->acl_queries;
prev = NULL;
cache->acct_interim_interval = 0;
}
- cache->vlan_id = radius_msg_get_vlanid(msg);
+ notempty = &cache->vlan_id.notempty;
+ untagged = &cache->vlan_id.untagged;
+ tagged = cache->vlan_id.tagged;
+ *notempty = !!radius_msg_get_vlanid(msg, untagged,
+ MAX_NUM_TAGGED_VLAN,
+ tagged);
decode_tunnel_passwords(hapd, shared_secret, shared_secret_len,
msg, req, cache);
!cache->psk)
cache->accepted = HOSTAPD_ACL_REJECT;
- if (cache->vlan_id &&
- !hostapd_vlan_id_valid(hapd->conf->vlan, cache->vlan_id)) {
+ if (cache->vlan_id.notempty &&
+ !hostapd_vlan_valid(hapd->conf->vlan, &cache->vlan_id)) {
hostapd_logger(hapd, query->addr,
HOSTAPD_MODULE_RADIUS,
HOSTAPD_LEVEL_INFO,
- "Invalid VLAN ID %d received from RADIUS server",
- cache->vlan_id);
- cache->vlan_id = 0;
+ "Invalid VLAN %d%s received from RADIUS server",
+ cache->vlan_id.untagged,
+ cache->vlan_id.tagged[0] ? "+" : "");
+ os_memset(&cache->vlan_id, 0, sizeof(cache->vlan_id));
}
if (hapd->conf->ssid.dynamic_vlan == DYNAMIC_VLAN_REQUIRED &&
- !cache->vlan_id)
+ !cache->vlan_id.notempty)
cache->accepted = HOSTAPD_ACL_REJECT;
} else
cache->accepted = HOSTAPD_ACL_REJECT;
void hostapd_free_psk_list(struct hostapd_sta_wpa_psk_short *psk)
{
+ if (psk && psk->ref) {
+ /* This will be freed when the last reference is dropped. */
+ psk->ref--;
+ return;
+ }
+
while (psk) {
struct hostapd_sta_wpa_psk_short *prev = psk;
psk = psk->next;
projects / mech_eap.git / blobdiff