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The capwap data channel migrated from userspace to kernalspace

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This commit is contained in:
vemax78
2014-09-10 21:58:23 +02:00
parent 71006a9121
commit 8d9985fdea
104 changed files with 6967 additions and 4840 deletions
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70
src/ac/ac_dfa_run.c
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@ -51,11 +51,19 @@ static int receive_echo_request(struct ac_session_t* session, struct capwap_pars
capwap_packet_txmng_free(txmngpacket);
/* Save remote sequence number */
session->remotetype = packet->rxmngpacket->ctrlmsg.type;
session->remoteseqnumber = packet->rxmngpacket->ctrlmsg.seq;
capwap_get_packet_digest(packet->rxmngpacket, packet->connection, session->lastrecvpackethash);
#ifdef DEBUG
{
char sessionname[33];
capwap_sessionid_printf(&session->sessionid, sessionname);
capwap_logging_debug("Send Echo Response to %s", sessionname);
}
#endif
/* Send Configure response to WTP */
if (!capwap_crypt_sendto_fragmentpacket(&session->dtls, session->connection.socket.socket[session->connection.socket.type], session->responsefragmentpacket, &session->connection.localaddr, &session->connection.remoteaddr)) {
if (!capwap_crypt_sendto_fragmentpacket(&session->dtls, session->responsefragmentpacket)) {
/* Response is already created and saved. When receive a re-request, DFA autoresponse */
capwap_logging_debug("Warning: error to send echo response packet");
}
@ -78,7 +86,7 @@ static void execute_ieee80211_wlan_configuration_addwlan(struct ac_session_t* se
wlan = ac_wlans_create_bssid(&session->wlans->devices[assignbssid->radioid - 1], assignbssid->wlanid, assignbssid->bssid, addwlan);
/* Assign BSSID to session */
ac_session_data_send_action(session->sessiondata, AC_SESSION_DATA_ACTION_ASSIGN_BSSID, 0, &wlan, sizeof(struct ac_wlan*));
ac_wlans_assign_bssid(session, wlan);
}
}
@ -109,7 +117,7 @@ static void receive_ieee80211_wlan_configuration_response(struct ac_session_t* s
if (CAPWAP_RESULTCODE_OK(resultcode->code)) {
rxmngrequestpacket = capwap_packet_rxmng_create_from_requestfragmentpacket(session->requestfragmentpacket);
if (rxmngrequestpacket) {
if (capwap_parsing_packet(rxmngrequestpacket, NULL, &requestpacket) == PARSING_COMPLETE) {
if (capwap_parsing_packet(rxmngrequestpacket, &requestpacket) == PARSING_COMPLETE) {
/* Detect type of IEEE802.11 WLAN Configuration Request */
if (capwap_get_message_element(&requestpacket, CAPWAP_ELEMENT_80211_ADD_WLAN)) {
execute_ieee80211_wlan_configuration_addwlan(session, packet, &requestpacket);
@ -134,10 +142,10 @@ static void receive_ieee80211_wlan_configuration_response(struct ac_session_t* s
/* */
static void execute_ieee80211_station_configuration_response_addstation(struct ac_session_t* session, struct capwap_parsed_packet* packet, struct capwap_parsed_packet* requestpacket) {
struct ac_wlan* wlan;
struct ac_station* station;
struct capwap_addstation_element* addstation;
struct ac_notify_add_station_status notify;
struct capwap_80211_station_element* station80211;
unsigned short binding = GET_WBID_HEADER(packet->rxmngpacket->header);
struct capwap_resultcode_element* resultcode;
/* */
@ -145,39 +153,47 @@ static void execute_ieee80211_station_configuration_response_addstation(struct a
addstation = (struct capwap_addstation_element*)capwap_get_message_element_data(requestpacket, CAPWAP_ELEMENT_ADDSTATION);
/* */
if (binding == CAPWAP_WIRELESS_BINDING_IEEE80211) {
if (GET_WBID_HEADER(packet->rxmngpacket->header) == CAPWAP_WIRELESS_BINDING_IEEE80211) {
station80211 = (struct capwap_80211_station_element*)capwap_get_message_element_data(requestpacket, CAPWAP_ELEMENT_80211_STATION);
if (station80211) {
memset(&notify, 0, sizeof(struct ac_notify_add_station_status));
wlan = ac_wlans_get_bssid_with_wlanid(session, station80211->radioid, station80211->wlanid);
if (wlan) {
station = ac_stations_get_station(session, station80211->radioid, wlan->address, addstation->address);
if (station) {
if (CAPWAP_RESULTCODE_OK(resultcode->code)) {
capwap_logging_info("Authorized station: %s", station->addrtext);
notify.radioid = station80211->radioid;
notify.wlanid = station80211->wlanid;
memcpy(notify.address, addstation->address, MACADDRESS_EUI48_LENGTH);
notify.statuscode = resultcode->code;
ac_session_data_send_action(session->sessiondata, AC_SESSION_DATA_ACTION_ADD_STATION_STATUS, 0, (void*)&notify, sizeof(struct ac_notify_add_station_status));
/* */
station->flags |= AC_STATION_FLAGS_AUTHORIZED;
capwap_timeout_deletetimer(session->timeout, station->idtimeout);
station->idtimeout = CAPWAP_TIMEOUT_INDEX_NO_SET;
} else {
ac_stations_delete_station(session, station);
}
}
}
}
}
}
/* */
static void execute_ieee80211_station_configuration_response_deletestation(struct ac_session_t* session, struct capwap_parsed_packet* packet, struct capwap_parsed_packet* requestpacket) {
struct capwap_deletestation_element* deletestation;
struct ac_notify_delete_station_status notify;
struct ac_station* station;
struct capwap_resultcode_element* resultcode;
struct capwap_deletestation_element* deletestation;
/* */
resultcode = (struct capwap_resultcode_element*)capwap_get_message_element_data(packet, CAPWAP_ELEMENT_RESULTCODE);
deletestation = (struct capwap_deletestation_element*)capwap_get_message_element_data(requestpacket, CAPWAP_ELEMENT_DELETESTATION);
/* */
memset(&notify, 0, sizeof(struct ac_notify_delete_station_status));
station = ac_stations_get_station(session, deletestation->radioid, NULL, deletestation->address);
if (station) {
capwap_logging_info("Deauthorized station: %s with %d result code", station->addrtext, (int)resultcode->code);
notify.radioid = deletestation->radioid;
memcpy(notify.address, deletestation->address, MACADDRESS_EUI48_LENGTH);
notify.statuscode = resultcode->code;
ac_session_data_send_action(session->sessiondata, AC_SESSION_DATA_ACTION_DELETE_STATION_STATUS, 0, (void*)&notify, sizeof(struct ac_notify_delete_station_status));
/* */
ac_stations_delete_station(session, station);
}
}
/* */
@ -187,7 +203,7 @@ static void receive_ieee80211_station_configuration_response(struct ac_session_t
/* Parsing request message */
rxmngrequestpacket = capwap_packet_rxmng_create_from_requestfragmentpacket(session->requestfragmentpacket);
if (capwap_parsing_packet(rxmngrequestpacket, NULL, &requestpacket) == PARSING_COMPLETE) {
if (capwap_parsing_packet(rxmngrequestpacket, &requestpacket) == PARSING_COMPLETE) {
if (capwap_get_message_element(&requestpacket, CAPWAP_ELEMENT_ADDSTATION)) {
execute_ieee80211_station_configuration_response_addstation(session, packet, &requestpacket);
} else if (capwap_get_message_element_data(&requestpacket, CAPWAP_ELEMENT_DELETESTATION)) {
@ -223,6 +239,14 @@ void ac_dfa_state_run(struct ac_session_t* session, struct capwap_parsed_packet*
}
case CAPWAP_ECHO_REQUEST: {
#ifdef DEBUG
{
char sessionname[33];
capwap_sessionid_printf(&session->sessionid, sessionname);
capwap_logging_debug("Receive Echo Request from %s", sessionname);
}
#endif
if (!receive_echo_request(session, packet)) {
capwap_timeout_set(session->timeout, session->idtimercontrol, AC_MAX_ECHO_INTERVAL, ac_dfa_teardown_timeout, session, NULL);
} else {