static int hostapd_radius_acl_query(struct hostapd_data *hapd, const u8 *addr,
struct hostapd_acl_query_data *query)
{
struct radius_msg *msg;
char buf[128];
query->radius_id = radius_client_get_id(hapd->radius);
msg = radius_msg_new(RADIUS_CODE_ACCESS_REQUEST, query->radius_id);
if (msg == NULL)
return -1;
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,
os_strlen(buf))) {
wpa_printf(MSG_DEBUG, "Could not add User-Name");
goto fail;
}
if (!radius_msg_add_attr_user_password(
msg, (u8 *) buf, os_strlen(buf),
hapd->conf->radius->auth_server->shared_secret,
hapd->conf->radius->auth_server->shared_secret_len)) {
wpa_printf(MSG_DEBUG, "Could not add User-Password");
goto fail;
}
if (add_common_radius_attr(hapd, hapd->conf->radius_auth_req_attr,
NULL, msg) < 0)
goto fail;
os_snprintf(buf, sizeof(buf), RADIUS_802_1X_ADDR_FORMAT,
MAC2STR(addr));
if (!radius_msg_add_attr(msg, RADIUS_ATTR_CALLING_STATION_ID,
(u8 *) buf, os_strlen(buf))) {
wpa_printf(MSG_DEBUG, "Could not add Calling-Station-Id");
goto fail;
}
os_snprintf(buf, sizeof(buf), "CONNECT 11Mbps 802.11b");
if (!radius_msg_add_attr(msg, RADIUS_ATTR_CONNECT_INFO,
(u8 *) buf, os_strlen(buf))) {
wpa_printf(MSG_DEBUG, "Could not add Connect-Info");
goto fail;
}
if (radius_client_send(hapd->radius, msg, RADIUS_AUTH, addr) < 0)
goto fail;
return 0;
fail:
radius_msg_free(msg);
return -1;
}
static void start_example(void *eloop_ctx, void *timeout_ctx)
{
struct radius_ctx *ctx = eloop_ctx;
struct radius_msg *msg;
printf("Sending a RADIUS authentication message\n");
ctx->radius_identifier = radius_client_get_id(ctx->radius);
msg = radius_msg_new(RADIUS_CODE_ACCESS_REQUEST,
ctx->radius_identifier);
if (msg == NULL) {
printf("Could not create net RADIUS packet\n");
return;
}
radius_msg_make_authenticator(msg, (u8 *) ctx, sizeof(*ctx));
if (!radius_msg_add_attr(msg, RADIUS_ATTR_USER_NAME,
(u8 *) "user", 4)) {
printf("Could not add User-Name\n");
radius_msg_free(msg);
return;
}
if (!radius_msg_add_attr_user_password(
msg, (u8 *) "password", 8,
ctx->conf.auth_server->shared_secret,
ctx->conf.auth_server->shared_secret_len)) {
printf("Could not add User-Password\n");
radius_msg_free(msg);
return;
}
if (!radius_msg_add_attr(msg, RADIUS_ATTR_NAS_IP_ADDRESS,
(u8 *) &ctx->own_ip_addr, 4)) {
printf("Could not add NAS-IP-Address\n");
radius_msg_free(msg);
return;
}
if (radius_client_send(ctx->radius, msg, RADIUS_AUTH, NULL) < 0)
radius_msg_free(msg);
}
static int radius_client_retransmit(struct radius_client_data *radius,
struct radius_msg_list *entry,
os_time_t now)
{
struct hostapd_radius_servers *conf = radius->conf;
int s;
struct wpabuf *buf;
size_t prev_num_msgs;
u8 *acct_delay_time;
size_t acct_delay_time_len;
if (entry->msg_type == RADIUS_ACCT ||
entry->msg_type == RADIUS_ACCT_INTERIM) {
if (radius->acct_sock < 0)
radius_client_init_acct(radius);
if (radius->acct_sock < 0 && conf->num_acct_servers > 1) {
prev_num_msgs = radius->num_msgs;
radius_client_acct_failover(radius);
if (prev_num_msgs != radius->num_msgs)
return 0;
}
s = radius->acct_sock;
if (entry->attempts == 0)
conf->acct_server->requests++;
else {
conf->acct_server->timeouts++;
conf->acct_server->retransmissions++;
}
} else {
if (radius->auth_sock < 0)
radius_client_init_auth(radius);
if (radius->auth_sock < 0 && conf->num_auth_servers > 1) {
prev_num_msgs = radius->num_msgs;
radius_client_auth_failover(radius);
if (prev_num_msgs != radius->num_msgs)
return 0;
}
s = radius->auth_sock;
if (entry->attempts == 0)
conf->auth_server->requests++;
else {
conf->auth_server->timeouts++;
conf->auth_server->retransmissions++;
}
}
if (entry->msg_type == RADIUS_ACCT_INTERIM) {
wpa_printf(MSG_DEBUG,
"RADIUS: Failed to transmit interim accounting update to "
MACSTR " - drop message and request a new update",
MAC2STR(entry->addr));
if (radius->interim_error_cb)
radius->interim_error_cb(entry->addr,
radius->interim_error_cb_ctx);
return 1;
}
if (s < 0) {
wpa_printf(MSG_INFO,
"RADIUS: No valid socket for retransmission");
return 1;
}
if (entry->msg_type == RADIUS_ACCT &&
radius_msg_get_attr_ptr(entry->msg, RADIUS_ATTR_ACCT_DELAY_TIME,
&acct_delay_time, &acct_delay_time_len,
NULL) == 0 &&
acct_delay_time_len == 4) {
struct radius_hdr *hdr;
u32 delay_time;
/*
* Need to assign a new identifier since attribute contents
* changes.
*/
hdr = radius_msg_get_hdr(entry->msg);
hdr->identifier = radius_client_get_id(radius);
/* Update Acct-Delay-Time to show wait time in queue */
delay_time = now - entry->first_try;
WPA_PUT_BE32(acct_delay_time, delay_time);
wpa_printf(MSG_DEBUG,
"RADIUS: Updated Acct-Delay-Time to %u for retransmission",
delay_time);
radius_msg_finish_acct(entry->msg, entry->shared_secret,
entry->shared_secret_len);
if (radius->conf->msg_dumps)
radius_msg_dump(entry->msg);
}
/* retransmit; remove entry if too many attempts */
entry->attempts++;
hostapd_logger(radius->ctx, entry->addr, HOSTAPD_MODULE_RADIUS,
HOSTAPD_LEVEL_DEBUG, "Resending RADIUS message (id=%d)",
radius_msg_get_hdr(entry->msg)->identifier);
os_get_reltime(&entry->last_attempt);
buf = radius_msg_get_buf(entry->msg);
if (send(s, wpabuf_head(buf), wpabuf_len(buf), 0) < 0) {
if (radius_client_handle_send_error(radius, s, entry->msg_type)
> 0)
return 0;
}
entry->next_try = now + entry->next_wait;
entry->next_wait *= 2;
if (entry->next_wait > RADIUS_CLIENT_MAX_WAIT)
entry->next_wait = RADIUS_CLIENT_MAX_WAIT;
if (entry->attempts >= RADIUS_CLIENT_MAX_RETRIES) {
wpa_printf(MSG_INFO, "RADIUS: Removing un-ACKed message due to too many failed retransmit attempts");
return 1;
}
return 0;
}
static void ieee802_1x_encapsulate_radius(struct eapol_test_data *e,
const u8 *eap, size_t len)
{
struct radius_msg *msg;
char buf[128];
const struct eap_hdr *hdr;
const u8 *pos;
wpa_printf(MSG_DEBUG, "Encapsulating EAP message into a RADIUS "
"packet");
e->radius_identifier = radius_client_get_id(e->radius);
msg = radius_msg_new(RADIUS_CODE_ACCESS_REQUEST,
e->radius_identifier);
if (msg == NULL) {
printf("Could not create net RADIUS packet\n");
return;
}
radius_msg_make_authenticator(msg, (u8 *) e, sizeof(*e));
hdr = (const struct eap_hdr *) eap;
pos = (const u8 *) (hdr + 1);
if (len > sizeof(*hdr) && hdr->code == EAP_CODE_RESPONSE &&
pos[0] == EAP_TYPE_IDENTITY) {
pos++;
os_free(e->eap_identity);
e->eap_identity_len = len - sizeof(*hdr) - 1;
e->eap_identity = os_malloc(e->eap_identity_len);
if (e->eap_identity) {
os_memcpy(e->eap_identity, pos, e->eap_identity_len);
wpa_hexdump(MSG_DEBUG, "Learned identity from "
"EAP-Response-Identity",
e->eap_identity, e->eap_identity_len);
}
}
if (e->eap_identity &&
!radius_msg_add_attr(msg, RADIUS_ATTR_USER_NAME,
e->eap_identity, e->eap_identity_len)) {
printf("Could not add User-Name\n");
goto fail;
}
if (!find_extra_attr(e->extra_attrs, RADIUS_ATTR_NAS_IP_ADDRESS) &&
!radius_msg_add_attr(msg, RADIUS_ATTR_NAS_IP_ADDRESS,
(u8 *) &e->own_ip_addr, 4)) {
printf("Could not add NAS-IP-Address\n");
goto fail;
}
os_snprintf(buf, sizeof(buf), RADIUS_802_1X_ADDR_FORMAT,
MAC2STR(e->wpa_s->own_addr));
if (!find_extra_attr(e->extra_attrs, RADIUS_ATTR_CALLING_STATION_ID)
&&
!radius_msg_add_attr(msg, RADIUS_ATTR_CALLING_STATION_ID,
(u8 *) buf, os_strlen(buf))) {
printf("Could not add Calling-Station-Id\n");
goto fail;
}
/* TODO: should probably check MTU from driver config; 2304 is max for
* IEEE 802.11, but use 1400 to avoid problems with too large packets
*/
if (!find_extra_attr(e->extra_attrs, RADIUS_ATTR_FRAMED_MTU) &&
!radius_msg_add_attr_int32(msg, RADIUS_ATTR_FRAMED_MTU, 1400)) {
printf("Could not add Framed-MTU\n");
goto fail;
}
if (!find_extra_attr(e->extra_attrs, RADIUS_ATTR_NAS_PORT_TYPE) &&
!radius_msg_add_attr_int32(msg, RADIUS_ATTR_NAS_PORT_TYPE,
RADIUS_NAS_PORT_TYPE_IEEE_802_11)) {
printf("Could not add NAS-Port-Type\n");
goto fail;
}
os_snprintf(buf, sizeof(buf), "%s", e->connect_info);
if (!find_extra_attr(e->extra_attrs, RADIUS_ATTR_CONNECT_INFO) &&
!radius_msg_add_attr(msg, RADIUS_ATTR_CONNECT_INFO,
(u8 *) buf, os_strlen(buf))) {
printf("Could not add Connect-Info\n");
goto fail;
}
if (add_extra_attrs(msg, e->extra_attrs) < 0)
goto fail;
if (eap && !radius_msg_add_eap(msg, eap, len)) {
printf("Could not add EAP-Message\n");
goto fail;
}
/* State attribute must be copied if and only if this packet is
* Access-Request reply to the previous Access-Challenge */
if (e->last_recv_radius &&
radius_msg_get_hdr(e->last_recv_radius)->code ==
RADIUS_CODE_ACCESS_CHALLENGE) {
int res = radius_msg_copy_attr(msg, e->last_recv_radius,
RADIUS_ATTR_STATE);
if (res < 0) {
printf("Could not copy State attribute from previous "
"Access-Challenge\n");
goto fail;
}
if (res > 0) {
wpa_printf(MSG_DEBUG, " Copied RADIUS State "
"Attribute");
}
}
radius_client_send(e->radius, msg, RADIUS_AUTH, e->wpa_s->own_addr);
return;
fail:
radius_msg_free(msg);
}
static int hostapd_radius_acl_query(struct hostapd_data *hapd, const u8 *addr,
struct hostapd_acl_query_data *query)
{
struct radius_msg *msg;
char buf[128];
query->radius_id = radius_client_get_id(hapd->radius);
msg = radius_msg_new(RADIUS_CODE_ACCESS_REQUEST, query->radius_id);
if (msg == NULL)
return -1;
radius_msg_make_authenticator(msg, addr, ETH_ALEN);
os_snprintf(buf, sizeof(buf), RADIUS_ADDR_FORMAT, MAC2STR(addr));
if (!radius_msg_add_attr(msg, RADIUS_ATTR_USER_NAME, (u8 *) buf,
os_strlen(buf))) {
wpa_printf(MSG_DEBUG, "Could not add User-Name");
goto fail;
}
if (!radius_msg_add_attr_user_password(
msg, (u8 *) buf, os_strlen(buf),
hapd->conf->radius->auth_server->shared_secret,
hapd->conf->radius->auth_server->shared_secret_len)) {
wpa_printf(MSG_DEBUG, "Could not add User-Password");
goto fail;
}
if (hapd->conf->own_ip_addr.af == AF_INET &&
!radius_msg_add_attr(msg, RADIUS_ATTR_NAS_IP_ADDRESS,
(u8 *) &hapd->conf->own_ip_addr.u.v4, 4)) {
wpa_printf(MSG_DEBUG, "Could not add NAS-IP-Address");
goto fail;
}
#ifdef CONFIG_IPV6
if (hapd->conf->own_ip_addr.af == AF_INET6 &&
!radius_msg_add_attr(msg, RADIUS_ATTR_NAS_IPV6_ADDRESS,
(u8 *) &hapd->conf->own_ip_addr.u.v6, 16)) {
wpa_printf(MSG_DEBUG, "Could not add NAS-IPv6-Address");
goto fail;
}
#endif /* CONFIG_IPV6 */
if (hapd->conf->nas_identifier &&
!radius_msg_add_attr(msg, RADIUS_ATTR_NAS_IDENTIFIER,
(u8 *) hapd->conf->nas_identifier,
os_strlen(hapd->conf->nas_identifier))) {
wpa_printf(MSG_DEBUG, "Could not add NAS-Identifier");
goto fail;
}
os_snprintf(buf, sizeof(buf), RADIUS_802_1X_ADDR_FORMAT ":%s",
MAC2STR(hapd->own_addr), hapd->conf->ssid.ssid);
if (!radius_msg_add_attr(msg, RADIUS_ATTR_CALLED_STATION_ID,
(u8 *) buf, os_strlen(buf))) {
wpa_printf(MSG_DEBUG, "Could not add Called-Station-Id");
goto fail;
}
os_snprintf(buf, sizeof(buf), RADIUS_802_1X_ADDR_FORMAT,
MAC2STR(addr));
if (!radius_msg_add_attr(msg, RADIUS_ATTR_CALLING_STATION_ID,
(u8 *) buf, os_strlen(buf))) {
wpa_printf(MSG_DEBUG, "Could not add Calling-Station-Id");
goto fail;
}
if (!radius_msg_add_attr_int32(msg, RADIUS_ATTR_NAS_PORT_TYPE,
RADIUS_NAS_PORT_TYPE_IEEE_802_11)) {
wpa_printf(MSG_DEBUG, "Could not add NAS-Port-Type");
goto fail;
}
os_snprintf(buf, sizeof(buf), "CONNECT 11Mbps 802.11b");
if (!radius_msg_add_attr(msg, RADIUS_ATTR_CONNECT_INFO,
(u8 *) buf, os_strlen(buf))) {
wpa_printf(MSG_DEBUG, "Could not add Connect-Info");
goto fail;
}
radius_client_send(hapd->radius, msg, RADIUS_AUTH, addr);
return 0;
fail:
radius_msg_free(msg);
return -1;
}
static void ieee802_1x_encapsulate_radius(struct wpa_supplicant *wpa_s,
u8 *eap, size_t len)
{
struct radius_msg *msg;
char buf[128];
struct wpa_ssid *ssid = wpa_s->current_ssid;
u8 *identity;
size_t identity_len;
wpa_printf(MSG_DEBUG, "Encapsulating EAP message into a RADIUS "
"packet");
wpa_s->radius_identifier = radius_client_get_id(wpa_s);
msg = radius_msg_new(RADIUS_CODE_ACCESS_REQUEST,
wpa_s->radius_identifier);
if (msg == NULL) {
printf("Could not create net RADIUS packet\n");
return;
}
radius_msg_make_authenticator(msg, (u8 *) wpa_s, sizeof(*wpa_s));
if (ssid->anonymous_identity) {
identity = ssid->anonymous_identity;
identity_len = ssid->anonymous_identity_len;
} else {
identity = ssid->identity;
identity_len = ssid->identity_len;
}
if (identity &&
!radius_msg_add_attr(msg, RADIUS_ATTR_USER_NAME,
identity, identity_len)) {
printf("Could not add User-Name\n");
goto fail;
}
if (!radius_msg_add_attr(msg, RADIUS_ATTR_NAS_IP_ADDRESS,
(u8 *) &wpa_s->own_ip_addr, 4)) {
printf("Could not add NAS-IP-Address\n");
goto fail;
}
snprintf(buf, sizeof(buf), RADIUS_802_1X_ADDR_FORMAT,
MAC2STR(wpa_s->own_addr));
if (!radius_msg_add_attr(msg, RADIUS_ATTR_CALLING_STATION_ID,
buf, strlen(buf))) {
printf("Could not add Calling-Station-Id\n");
goto fail;
}
/* TODO: should probably check MTU from driver config; 2304 is max for
* IEEE 802.11, but use 1400 to avoid problems with too large packets
*/
if (!radius_msg_add_attr_int32(msg, RADIUS_ATTR_FRAMED_MTU, 1400)) {
printf("Could not add Framed-MTU\n");
goto fail;
}
if (!radius_msg_add_attr_int32(msg, RADIUS_ATTR_NAS_PORT_TYPE,
RADIUS_NAS_PORT_TYPE_IEEE_802_11)) {
printf("Could not add NAS-Port-Type\n");
goto fail;
}
snprintf(buf, sizeof(buf), "CONNECT 11Mbps 802.11b");
if (!radius_msg_add_attr(msg, RADIUS_ATTR_CONNECT_INFO,
buf, strlen(buf))) {
printf("Could not add Connect-Info\n");
goto fail;
}
if (eap && !radius_msg_add_eap(msg, eap, len)) {
printf("Could not add EAP-Message\n");
goto fail;
}
/* State attribute must be copied if and only if this packet is
* Access-Request reply to the previous Access-Challenge */
if (wpa_s->last_recv_radius && wpa_s->last_recv_radius->hdr->code ==
RADIUS_CODE_ACCESS_CHALLENGE) {
int res = radius_msg_copy_attr(msg, wpa_s->last_recv_radius,
RADIUS_ATTR_STATE);
if (res < 0) {
printf("Could not copy State attribute from previous "
"Access-Challenge\n");
goto fail;
}
if (res > 0) {
wpa_printf(MSG_DEBUG, " Copied RADIUS State "
"Attribute");
}
}
radius_client_send(wpa_s, msg, RADIUS_AUTH, wpa_s->own_addr);
return;
fail:
radius_msg_free(msg);
free(msg);
}
static struct radius_msg * accounting_msg(struct hostapd_data *hapd,
struct sta_info *sta,
int status_type)
{
struct radius_msg *msg;
char buf[128];
u8 *val;
size_t len;
int i;
struct wpabuf *b;
msg = radius_msg_new(RADIUS_CODE_ACCOUNTING_REQUEST,
radius_client_get_id(hapd->radius));
if (msg == NULL) {
wpa_printf(MSG_INFO, "Could not create new RADIUS packet");
return NULL;
}
if (sta) {
radius_msg_make_authenticator(msg, (u8 *) sta, sizeof(*sta));
os_snprintf(buf, sizeof(buf), "%08X-%08X",
sta->acct_session_id_hi, sta->acct_session_id_lo);
if (!radius_msg_add_attr(msg, RADIUS_ATTR_ACCT_SESSION_ID,
(u8 *) buf, os_strlen(buf))) {
wpa_printf(MSG_INFO, "Could not add Acct-Session-Id");
goto fail;
}
} else {
radius_msg_make_authenticator(msg, (u8 *) hapd, sizeof(*hapd));
}
if (!radius_msg_add_attr_int32(msg, RADIUS_ATTR_ACCT_STATUS_TYPE,
status_type)) {
wpa_printf(MSG_INFO, "Could not add Acct-Status-Type");
goto fail;
}
if (!hostapd_config_get_radius_attr(hapd->conf->radius_acct_req_attr,
RADIUS_ATTR_ACCT_AUTHENTIC) &&
!radius_msg_add_attr_int32(msg, RADIUS_ATTR_ACCT_AUTHENTIC,
hapd->conf->ieee802_1x ?
RADIUS_ACCT_AUTHENTIC_RADIUS :
RADIUS_ACCT_AUTHENTIC_LOCAL)) {
wpa_printf(MSG_INFO, "Could not add Acct-Authentic");
goto fail;
}
if (sta) {
/* Use 802.1X identity if available */
val = ieee802_1x_get_identity(sta->eapol_sm, &len);
/* Use RADIUS ACL identity if 802.1X provides no identity */
if (!val && sta->identity) {
val = (u8 *) sta->identity;
len = os_strlen(sta->identity);
}
/* Use STA MAC if neither 802.1X nor RADIUS ACL provided
* identity */
if (!val) {
os_snprintf(buf, sizeof(buf), RADIUS_ADDR_FORMAT,
MAC2STR(sta->addr));
val = (u8 *) buf;
len = os_strlen(buf);
}
if (!radius_msg_add_attr(msg, RADIUS_ATTR_USER_NAME, val,
len)) {
wpa_printf(MSG_INFO, "Could not add User-Name");
goto fail;
}
}
if (add_common_radius_attr(hapd, hapd->conf->radius_acct_req_attr, sta,
msg) < 0)
goto fail;
if (sta) {
for (i = 0; ; i++) {
val = ieee802_1x_get_radius_class(sta->eapol_sm, &len,
i);
if (val == NULL)
break;
if (!radius_msg_add_attr(msg, RADIUS_ATTR_CLASS,
val, len)) {
wpa_printf(MSG_INFO, "Could not add Class");
goto fail;
}
}
b = ieee802_1x_get_radius_cui(sta->eapol_sm);
if (b &&
!radius_msg_add_attr(msg,
RADIUS_ATTR_CHARGEABLE_USER_IDENTITY,
wpabuf_head(b), wpabuf_len(b))) {
wpa_printf(MSG_ERROR, "Could not add CUI");
goto fail;
}
if (!b && sta->radius_cui &&
!radius_msg_add_attr(msg,
RADIUS_ATTR_CHARGEABLE_USER_IDENTITY,
(u8 *) sta->radius_cui,
os_strlen(sta->radius_cui))) {
wpa_printf(MSG_ERROR, "Could not add CUI from ACL");
goto fail;
}
}
return msg;
fail:
radius_msg_free(msg);
return NULL;
}
static struct radius_msg * accounting_msg(struct hostapd_data *hapd,
struct sta_info *sta,
int status_type)
{
struct radius_msg *msg;
char buf[128];
u8 *val;
size_t len;
int i;
msg = radius_msg_new(RADIUS_CODE_ACCOUNTING_REQUEST,
radius_client_get_id(hapd->radius));
if (msg == NULL) {
printf("Could not create net RADIUS packet\n");
return NULL;
}
if (sta) {
radius_msg_make_authenticator(msg, (u8 *) sta, sizeof(*sta));
os_snprintf(buf, sizeof(buf), "%08X-%08X",
sta->acct_session_id_hi, sta->acct_session_id_lo);
if (!radius_msg_add_attr(msg, RADIUS_ATTR_ACCT_SESSION_ID,
(u8 *) buf, os_strlen(buf))) {
printf("Could not add Acct-Session-Id\n");
goto fail;
}
} else {
radius_msg_make_authenticator(msg, (u8 *) hapd, sizeof(*hapd));
}
if (!radius_msg_add_attr_int32(msg, RADIUS_ATTR_ACCT_STATUS_TYPE,
status_type)) {
printf("Could not add Acct-Status-Type\n");
goto fail;
}
if (!radius_msg_add_attr_int32(msg, RADIUS_ATTR_ACCT_AUTHENTIC,
hapd->conf->ieee802_1x ?
RADIUS_ACCT_AUTHENTIC_RADIUS :
RADIUS_ACCT_AUTHENTIC_LOCAL)) {
printf("Could not add Acct-Authentic\n");
goto fail;
}
if (sta) {
val = ieee802_1x_get_identity(sta->eapol_sm, &len);
if (!val) {
os_snprintf(buf, sizeof(buf), RADIUS_ADDR_FORMAT,
MAC2STR(sta->addr));
val = (u8 *) buf;
len = os_strlen(buf);
}
if (!radius_msg_add_attr(msg, RADIUS_ATTR_USER_NAME, val,
len)) {
printf("Could not add User-Name\n");
goto fail;
}
}
if (hapd->conf->own_ip_addr.af == AF_INET &&
!radius_msg_add_attr(msg, RADIUS_ATTR_NAS_IP_ADDRESS,
(u8 *) &hapd->conf->own_ip_addr.u.v4, 4)) {
printf("Could not add NAS-IP-Address\n");
goto fail;
}
#ifdef CONFIG_IPV6
if (hapd->conf->own_ip_addr.af == AF_INET6 &&
!radius_msg_add_attr(msg, RADIUS_ATTR_NAS_IPV6_ADDRESS,
(u8 *) &hapd->conf->own_ip_addr.u.v6, 16)) {
printf("Could not add NAS-IPv6-Address\n");
goto fail;
}
#endif /* CONFIG_IPV6 */
if (hapd->conf->nas_identifier &&
!radius_msg_add_attr(msg, RADIUS_ATTR_NAS_IDENTIFIER,
(u8 *) hapd->conf->nas_identifier,
os_strlen(hapd->conf->nas_identifier))) {
printf("Could not add NAS-Identifier\n");
goto fail;
}
if (sta &&
!radius_msg_add_attr_int32(msg, RADIUS_ATTR_NAS_PORT, sta->aid)) {
printf("Could not add NAS-Port\n");
goto fail;
}
os_snprintf(buf, sizeof(buf), RADIUS_802_1X_ADDR_FORMAT ":%s",
MAC2STR(hapd->own_addr), hapd->conf->ssid.ssid);
if (!radius_msg_add_attr(msg, RADIUS_ATTR_CALLED_STATION_ID,
(u8 *) buf, os_strlen(buf))) {
printf("Could not add Called-Station-Id\n");
goto fail;
}
if (sta) {
os_snprintf(buf, sizeof(buf), RADIUS_802_1X_ADDR_FORMAT,
MAC2STR(sta->addr));
if (!radius_msg_add_attr(msg, RADIUS_ATTR_CALLING_STATION_ID,
(u8 *) buf, os_strlen(buf))) {
printf("Could not add Calling-Station-Id\n");
goto fail;
}
if (!radius_msg_add_attr_int32(
msg, RADIUS_ATTR_NAS_PORT_TYPE,
RADIUS_NAS_PORT_TYPE_IEEE_802_11)) {
printf("Could not add NAS-Port-Type\n");
goto fail;
}
os_snprintf(buf, sizeof(buf), "CONNECT %d%sMbps %s",
radius_sta_rate(hapd, sta) / 2,
(radius_sta_rate(hapd, sta) & 1) ? ".5" : "",
radius_mode_txt(hapd));
if (!radius_msg_add_attr(msg, RADIUS_ATTR_CONNECT_INFO,
(u8 *) buf, os_strlen(buf))) {
printf("Could not add Connect-Info\n");
goto fail;
}
for (i = 0; ; i++) {
val = ieee802_1x_get_radius_class(sta->eapol_sm, &len,
i);
if (val == NULL)
break;
if (!radius_msg_add_attr(msg, RADIUS_ATTR_CLASS,
val, len)) {
printf("Could not add Class\n");
goto fail;
}
}
}
return msg;
fail:
radius_msg_free(msg);
os_free(msg);
return NULL;
}
static struct radius_msg * accounting_msg(hostapd *hapd, struct sta_info *sta,
int status_type)
{
struct radius_msg *msg;
char buf[128];
u8 *val;
size_t len;
msg = radius_msg_new(RADIUS_CODE_ACCOUNTING_REQUEST,
radius_client_get_id(hapd));
if (msg == NULL) {
printf("Could not create net RADIUS packet\n");
return NULL;
}
radius_msg_make_authenticator(msg, (u8 *) sta, sizeof(sta));
snprintf(buf, sizeof(buf), "%08X-%08X",
hapd->radius->acct_session_id_hi, sta->acct_session_id_lo);
if (!radius_msg_add_attr(msg, RADIUS_ATTR_ACCT_SESSION_ID,
buf, strlen(buf))) {
printf("Could not add Acct-Session-Id\n");
goto fail;
}
if (!radius_msg_add_attr_int32(msg, RADIUS_ATTR_ACCT_STATUS_TYPE,
status_type)) {
printf("Could not add Acct-Status-Type\n");
goto fail;
}
if (!radius_msg_add_attr_int32(msg, RADIUS_ATTR_ACCT_AUTHENTIC,
hapd->conf->ieee802_1x ?
RADIUS_ACCT_AUTHENTIC_RADIUS :
RADIUS_ACCT_AUTHENTIC_LOCAL)) {
printf("Could not add Acct-Authentic\n");
goto fail;
}
val = sta->identity;
len = sta->identity_len;
if (!val) {
snprintf(buf, sizeof(buf), RADIUS_ADDR_FORMAT,
MAC2STR(sta->addr));
val = buf;
len = strlen(val);
}
if (!radius_msg_add_attr(msg, RADIUS_ATTR_USER_NAME, val, len)) {
printf("Could not add User-Name\n");
goto fail;
}
if (!radius_msg_add_attr(msg, RADIUS_ATTR_NAS_IP_ADDRESS,
(u8 *) &hapd->conf->own_ip_addr, 4)) {
printf("Could not add NAS-IP-Address\n");
goto fail;
}
if (!radius_msg_add_attr_int32(msg, RADIUS_ATTR_NAS_PORT, sta->aid)) {
printf("Could not add NAS-Port\n");
goto fail;
}
snprintf(buf, sizeof(buf), RADIUS_802_1X_ADDR_FORMAT ":%s",
MAC2STR(hapd->own_addr), hapd->conf->ssid);
if (!radius_msg_add_attr(msg, RADIUS_ATTR_CALLED_STATION_ID,
buf, strlen(buf))) {
printf("Could not add Called-Station-Id\n");
goto fail;
}
snprintf(buf, sizeof(buf), RADIUS_802_1X_ADDR_FORMAT,
MAC2STR(sta->addr));
if (!radius_msg_add_attr(msg, RADIUS_ATTR_CALLING_STATION_ID,
buf, strlen(buf))) {
printf("Could not add Calling-Station-Id\n");
goto fail;
}
if (!radius_msg_add_attr_int32(msg, RADIUS_ATTR_NAS_PORT_TYPE,
RADIUS_NAS_PORT_TYPE_IEEE_802_11)) {
printf("Could not add NAS-Port-Type\n");
goto fail;
}
snprintf(buf, sizeof(buf), "CONNECT 11Mbps 802.11b");
if (!radius_msg_add_attr(msg, RADIUS_ATTR_CONNECT_INFO,
buf, strlen(buf))) {
printf("Could not add Connect-Info\n");
goto fail;
}
return msg;
fail:
radius_msg_free(msg);
free(msg);
return NULL;
}
static int hostapd_radius_acl_query(hostapd *hapd, u8 *addr,
struct hostapd_acl_query_data *query)
{
struct radius_msg *msg;
char buf[128];
query->radius_id = radius_client_get_id(hapd);
msg = radius_msg_new(RADIUS_CODE_ACCESS_REQUEST, query->radius_id);
if (msg == NULL)
return -1;
radius_msg_make_authenticator(msg, addr, ETH_ALEN);
snprintf(buf, sizeof(buf), RADIUS_ADDR_FORMAT, MAC2STR(addr));
if (!radius_msg_add_attr(msg, RADIUS_ATTR_USER_NAME, buf,
strlen(buf))) {
printf("Could not add User-Name\n");
goto fail;
}
if (!radius_msg_add_attr_user_password(
msg, buf, strlen(buf),
hapd->conf->auth_server->shared_secret,
hapd->conf->auth_server->shared_secret_len)) {
printf("Could not add User-Password\n");
goto fail;
}
if (!radius_msg_add_attr(msg, RADIUS_ATTR_NAS_IP_ADDRESS,
(u8 *) &hapd->conf->own_ip_addr, 4)) {
printf("Could not add NAS-IP-Address\n");
goto fail;
}
if (hapd->conf->nas_identifier &&
!radius_msg_add_attr(msg, RADIUS_ATTR_NAS_IDENTIFIER,
hapd->conf->nas_identifier,
strlen(hapd->conf->nas_identifier))) {
printf("Could not add NAS-Identifier\n");
goto fail;
}
snprintf(buf, sizeof(buf), RADIUS_802_1X_ADDR_FORMAT ":%s",
MAC2STR(hapd->own_addr), hapd->conf->ssid);
if (!radius_msg_add_attr(msg, RADIUS_ATTR_CALLED_STATION_ID,
buf, strlen(buf))) {
printf("Could not add Called-Station-Id\n");
goto fail;
}
snprintf(buf, sizeof(buf), RADIUS_802_1X_ADDR_FORMAT,
MAC2STR(addr));
if (!radius_msg_add_attr(msg, RADIUS_ATTR_CALLING_STATION_ID,
buf, strlen(buf))) {
printf("Could not add Calling-Station-Id\n");
goto fail;
}
if (!radius_msg_add_attr_int32(msg, RADIUS_ATTR_NAS_PORT_TYPE,
RADIUS_NAS_PORT_TYPE_IEEE_802_11)) {
printf("Could not add NAS-Port-Type\n");
goto fail;
}
snprintf(buf, sizeof(buf), "CONNECT 11Mbps 802.11b");
if (!radius_msg_add_attr(msg, RADIUS_ATTR_CONNECT_INFO,
buf, strlen(buf))) {
printf("Could not add Connect-Info\n");
goto fail;
}
radius_client_send(hapd, msg, RADIUS_AUTH, addr);
return 0;
fail:
radius_msg_free(msg);
free(msg);
return -1;
}