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Big update with type fix and minor new function.

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Complete the IEEE802.11 Station Association with interation of AC in LocalMAC mode.
After the IEEE802.11 Authorization / Association is complete, the AC can now
authorize the WTP to accept data station packets with Station Configuration Message.
This commit is contained in:
vemax78
2014-04-14 22:33:12 +02:00
parent 2ec98ac74d
commit 3569267283
37 changed files with 969 additions and 401 deletions
Download Patch File Download Diff File Expand all files Collapse all files

114
src/ac/ac_ieee80211_data.c
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@ -26,6 +26,7 @@ static void ac_ieee80211_mgmt_authentication_packet(struct ac_session_data_t* se
int ielength;
struct ieee80211_ie_items ieitems;
struct ac_station* station;
char buffer[CAPWAP_MACADDRESS_EUI48_BUFFER];
/* Parsing Information Elements */
ielength = mgmtlength - (sizeof(struct ieee80211_header) + sizeof(mgmt->authetication));
@ -33,9 +34,13 @@ static void ac_ieee80211_mgmt_authentication_packet(struct ac_session_data_t* se
return;
}
/* Create station if sent by station */
if (memcmp(mgmt->bssid, mgmt->sa, MACADDRESS_EUI48_LENGTH)) {
station = ac_stations_create_station(sessiondata->session, radioid, mgmt->bssid, mgmt->sa);
/* */
if (memcmp(mgmt->bssid, mgmt->sa, MACADDRESS_EUI48_LENGTH) && !memcmp(mgmt->bssid, mgmt->da, MACADDRESS_EUI48_LENGTH)) {
station = ac_stations_create_station(sessiondata, radioid, mgmt->bssid, mgmt->sa);
/* */
capwap_printf_macaddress(buffer, station->address, MACADDRESS_EUI48_LENGTH);
capwap_logging_info("Receive IEEE802.11 Authentication Request from %s station", buffer);
/* */
if (station->wlan->macmode == CAPWAP_ADD_WLAN_MACMODE_LOCAL) {
@ -43,13 +48,30 @@ static void ac_ieee80211_mgmt_authentication_packet(struct ac_session_data_t* se
} else if (station->wlan->macmode == CAPWAP_ADD_WLAN_MACMODE_SPLIT) {
/* TODO */
}
} else {
station = ac_stations_get_station(sessiondata->session, radioid, mgmt->bssid, mgmt->da);
if (station) {
if (station->wlan->macmode == CAPWAP_ADD_WLAN_MACMODE_LOCAL) {
/* TODO */
} else if (station->wlan->macmode == CAPWAP_ADD_WLAN_MACMODE_SPLIT) {
/* TODO */
} else if (!memcmp(mgmt->bssid, mgmt->sa, MACADDRESS_EUI48_LENGTH) && memcmp(mgmt->bssid, mgmt->da, MACADDRESS_EUI48_LENGTH)) {
station = ac_stations_get_station(sessiondata, radioid, mgmt->bssid, mgmt->da);
if (station && (station->wlan->macmode == CAPWAP_ADD_WLAN_MACMODE_LOCAL)) {
uint16_t algorithm;
uint16_t transactionseqnumber;
uint16_t statuscode;
/* */
statuscode = __le16_to_cpu(mgmt->authetication.statuscode);
/* */
capwap_printf_macaddress(buffer, station->address, MACADDRESS_EUI48_LENGTH);
capwap_logging_info("Receive IEEE802.11 Authentication Response to %s station with %d status code", buffer, (int)statuscode);
if (statuscode == IEEE80211_STATUS_SUCCESS) {
algorithm = __le16_to_cpu(mgmt->authetication.algorithm);
transactionseqnumber = __le16_to_cpu(mgmt->authetication.transactionseqnumber);
/* Check if authenticate */
if ((algorithm == IEEE80211_AUTHENTICATION_ALGORITHM_OPEN) && (transactionseqnumber == 2)) {
station->flags |= AC_STATION_FLAGS_AUTHENTICATED;
} else if ((algorithm == IEEE80211_AUTHENTICATION_ALGORITHM_SHARED_KEY) && (transactionseqnumber == 4)) {
/* TODO */
}
}
}
}
@ -60,6 +82,7 @@ static void ac_ieee80211_mgmt_association_request_packet(struct ac_session_data_
int ielength;
struct ieee80211_ie_items ieitems;
struct ac_station* station;
char buffer[CAPWAP_MACADDRESS_EUI48_BUFFER];
/* Parsing Information Elements */
ielength = mgmtlength - (sizeof(struct ieee80211_header) + sizeof(mgmt->associationrequest));
@ -68,22 +91,34 @@ static void ac_ieee80211_mgmt_association_request_packet(struct ac_session_data_
}
/* Get station */
if (memcmp(mgmt->bssid, mgmt->sa, MACADDRESS_EUI48_LENGTH)) {
station = ac_stations_get_station(sessiondata->session, radioid, mgmt->bssid, mgmt->sa);
if (memcmp(mgmt->bssid, mgmt->sa, MACADDRESS_EUI48_LENGTH) && !memcmp(mgmt->bssid, mgmt->da, MACADDRESS_EUI48_LENGTH)) {
station = ac_stations_get_station(sessiondata, radioid, mgmt->bssid, mgmt->sa);
/* */
if (station->wlan->macmode == CAPWAP_ADD_WLAN_MACMODE_LOCAL) {
/* TODO */
} else if (station->wlan->macmode == CAPWAP_ADD_WLAN_MACMODE_SPLIT) {
/* TODO */
}
} else {
station = ac_stations_get_station(sessiondata->session, radioid, mgmt->bssid, mgmt->da);
if (station) {
capwap_printf_macaddress(buffer, station->address, MACADDRESS_EUI48_LENGTH);
capwap_logging_info("Receive IEEE802.11 Association Request from %s station", buffer);
/* Get Station Info */
station->capability = __le16_to_cpu(mgmt->associationrequest.capability);
station->listeninterval = __le16_to_cpu(mgmt->associationrequest.listeninterval);
/* Get supported rates */
if (ieitems.supported_rates && ((ieitems.supported_rates->len + (ieitems.extended_supported_rates ? ieitems.extended_supported_rates->len : 0)) <= sizeof(station->supportedrates))) {
station->supportedratescount = ieitems.supported_rates->len;
memcpy(station->supportedrates, ieitems.supported_rates->rates, ieitems.supported_rates->len);
if (ieitems.extended_supported_rates) {
station->supportedratescount += ieitems.extended_supported_rates->len;
memcpy(&station->supportedrates[ieitems.supported_rates->len], ieitems.extended_supported_rates->rates, ieitems.extended_supported_rates->len);
}
/* */
if (station->wlan->macmode == CAPWAP_ADD_WLAN_MACMODE_LOCAL) {
/* TODO */
} else if (station->wlan->macmode == CAPWAP_ADD_WLAN_MACMODE_SPLIT) {
/* TODO */
/* Active Station */
ac_stations_authorize_station(sessiondata, station);
}
}
}
@ -94,6 +129,7 @@ static void ac_ieee80211_mgmt_association_response_packet(struct ac_session_data
int ielength;
struct ieee80211_ie_items ieitems;
struct ac_station* station;
char buffer[CAPWAP_MACADDRESS_EUI48_BUFFER];
/* Parsing Information Elements */
ielength = mgmtlength - (sizeof(struct ieee80211_header) + sizeof(mgmt->associationresponse));
@ -102,13 +138,32 @@ static void ac_ieee80211_mgmt_association_response_packet(struct ac_session_data
}
/* Get station */
station = ac_stations_get_station(sessiondata->session, radioid, mgmt->bssid, mgmt->sa);
if (!memcmp(mgmt->bssid, mgmt->sa, MACADDRESS_EUI48_LENGTH) && memcmp(mgmt->bssid, mgmt->da, MACADDRESS_EUI48_LENGTH)) {
station = ac_stations_get_station(sessiondata, radioid, mgmt->bssid, mgmt->da);
if (station && (station->wlan->macmode == CAPWAP_ADD_WLAN_MACMODE_LOCAL)) {
capwap_printf_macaddress(buffer, station->address, MACADDRESS_EUI48_LENGTH);
capwap_logging_info("Receive IEEE802.11 Association Response to %s station with %d status code", buffer, (int)mgmt->associationresponse.statuscode);
/* */
if (station->wlan->macmode == CAPWAP_ADD_WLAN_MACMODE_LOCAL) {
/* TODO */
} else if (station->wlan->macmode == CAPWAP_ADD_WLAN_MACMODE_SPLIT) {
/* TODO */
if (mgmt->associationresponse.statuscode == IEEE80211_STATUS_SUCCESS) {
/* Get Station Info */
station->capability = __le16_to_cpu(mgmt->associationresponse.capability);
station->aid = __le16_to_cpu(mgmt->associationresponse.aid);
station->flags |= AC_STATION_FLAGS_ASSOCIATE;
/* Get supported rates */
if (ieitems.supported_rates && ((ieitems.supported_rates->len + (ieitems.extended_supported_rates ? ieitems.extended_supported_rates->len : 0)) <= sizeof(station->supportedrates))) {
station->supportedratescount = ieitems.supported_rates->len;
memcpy(station->supportedrates, ieitems.supported_rates->rates, ieitems.supported_rates->len);
if (ieitems.extended_supported_rates) {
station->supportedratescount += ieitems.extended_supported_rates->len;
memcpy(&station->supportedrates[ieitems.supported_rates->len], ieitems.extended_supported_rates->rates, ieitems.extended_supported_rates->len);
}
/* Active Station */
ac_stations_authorize_station(sessiondata, station);
}
}
}
}
}
@ -158,6 +213,7 @@ static void ac_ieee80211_mgmt_disassociation_packet(struct ac_session_data_t* se
static void ac_ieee80211_mgmt_deauthentication_packet(struct ac_session_data_t* sessiondata, uint8_t radioid, const struct ieee80211_header_mgmt* mgmt, int mgmtlength) {
int ielength;
const uint8_t* stationaddress;
struct ac_station* station;
struct ieee80211_ie_items ieitems;
/* Parsing Information Elements */
@ -170,7 +226,11 @@ static void ac_ieee80211_mgmt_deauthentication_packet(struct ac_session_data_t*
stationaddress = (memcmp(mgmt->bssid, mgmt->sa, MACADDRESS_EUI48_LENGTH) ? mgmt->sa : mgmt->da);
/* Delete station */
ac_stations_delete_station(sessiondata->session, stationaddress);
station = ac_stations_get_station(sessiondata, radioid, NULL, stationaddress);
if (station) {
station->flags &= ~(AC_STATION_FLAGS_AUTHORIZED | AC_STATION_FLAGS_AUTHENTICATED | AC_STATION_FLAGS_ASSOCIATE);
ac_stations_delete_station(sessiondata, station);
}
}
/* */