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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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77
src/ac/ac_ieee80211_data.c
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@ -3,7 +3,7 @@
#include "ac_wlans.h"
/* */
static void ac_ieee80211_mgmt_probe_request_packet(struct ac_session_data_t* sessiondata, uint8_t radioid, const struct ieee80211_header_mgmt* mgmt, int mgmtlength) {
static void ac_ieee80211_mgmt_probe_request_packet(struct ac_session_t* session, uint8_t radioid, const struct ieee80211_header_mgmt* mgmt, int mgmtlength) {
int ielength;
struct ieee80211_ie_items ieitems;
@ -22,7 +22,7 @@ static void ac_ieee80211_mgmt_probe_request_packet(struct ac_session_data_t* ses
}
/* */
static void ac_ieee80211_mgmt_authentication_packet(struct ac_session_data_t* sessiondata, uint8_t radioid, const struct ieee80211_header_mgmt* mgmt, int mgmtlength) {
static void ac_ieee80211_mgmt_authentication_packet(struct ac_session_t* session, uint8_t radioid, const struct ieee80211_header_mgmt* mgmt, int mgmtlength) {
int ielength;
struct ieee80211_ie_items ieitems;
struct ac_station* station;
@ -36,7 +36,7 @@ static void ac_ieee80211_mgmt_authentication_packet(struct ac_session_data_t* se
/* */
if (memcmp(mgmt->bssid, mgmt->sa, MACADDRESS_EUI48_LENGTH) && !memcmp(mgmt->bssid, mgmt->da, MACADDRESS_EUI48_LENGTH)) {
station = ac_stations_create_station(sessiondata->session, radioid, mgmt->bssid, mgmt->sa);
station = ac_stations_create_station(session, radioid, mgmt->bssid, mgmt->sa);
if (!station || !station->wlan) {
return;
}
@ -46,7 +46,7 @@ static void ac_ieee80211_mgmt_authentication_packet(struct ac_session_data_t* se
/* A station is removed if the association does not complete within a given period of time */
station->timeoutaction = AC_STATION_TIMEOUT_ACTION_DEAUTHENTICATE;
station->idtimeout = capwap_timeout_set(sessiondata->timeout, station->idtimeout, AC_STATION_TIMEOUT_ASSOCIATION_COMPLETE, ac_stations_timeout, station, sessiondata->session);
station->idtimeout = capwap_timeout_set(session->timeout, station->idtimeout, AC_STATION_TIMEOUT_ASSOCIATION_COMPLETE, ac_stations_timeout, station, session);
/* */
wlan = station->wlan;
@ -94,20 +94,20 @@ static void ac_ieee80211_mgmt_authentication_packet(struct ac_session_data_t* se
responselength = ieee80211_create_authentication_response(buffer, sizeof(buffer), &ieee80211_params);
if (responselength > 0) {
/* Send authentication response */
if (!ac_session_data_send_data_packet(sessiondata, wlan->device->radioid, wlan->wlanid, buffer, responselength, 1)) {
if (!ac_kmod_send_data(&session->sockaddrdata.ss, wlan->device->radioid, session->binding, buffer, responselength)) {
capwap_logging_info("Sent IEEE802.11 Authentication Response to %s station with %d status code", station->addrtext, (int)responsestatuscode);
station->flags |= AC_STATION_FLAGS_AUTHENTICATED;
} else {
capwap_logging_warning("Unable to send IEEE802.11 Authentication Response to %s station", station->addrtext);
ac_stations_delete_station(sessiondata->session, station);
ac_stations_delete_station(session, station);
}
} else {
capwap_logging_warning("Unable to create IEEE802.11 Authentication Response to %s station", station->addrtext);
ac_stations_delete_station(sessiondata->session, station);
ac_stations_delete_station(session, station);
}
}
} else if (!memcmp(mgmt->bssid, mgmt->sa, MACADDRESS_EUI48_LENGTH) && memcmp(mgmt->bssid, mgmt->da, MACADDRESS_EUI48_LENGTH)) {
station = ac_stations_get_station(sessiondata->session, radioid, mgmt->bssid, mgmt->da);
station = ac_stations_get_station(session, radioid, mgmt->bssid, mgmt->da);
if (station && station->wlan && (station->wlan->macmode == CAPWAP_ADD_WLAN_MACMODE_LOCAL)) {
uint16_t algorithm;
uint16_t transactionseqnumber;
@ -135,7 +135,7 @@ static void ac_ieee80211_mgmt_authentication_packet(struct ac_session_data_t* se
}
/* */
static void ac_ieee80211_mgmt_association_request_packet(struct ac_session_data_t* sessiondata, uint8_t radioid, const struct ieee80211_header_mgmt* mgmt, int mgmtlength) {
static void ac_ieee80211_mgmt_association_request_packet(struct ac_session_t* session, uint8_t radioid, const struct ieee80211_header_mgmt* mgmt, int mgmtlength) {
int ielength;
struct ieee80211_ie_items ieitems;
struct ac_station* station;
@ -149,7 +149,7 @@ static void ac_ieee80211_mgmt_association_request_packet(struct ac_session_data_
/* Get station */
if (memcmp(mgmt->bssid, mgmt->sa, MACADDRESS_EUI48_LENGTH) && !memcmp(mgmt->bssid, mgmt->da, MACADDRESS_EUI48_LENGTH)) {
station = ac_stations_get_station(sessiondata->session, radioid, mgmt->bssid, mgmt->sa);
station = ac_stations_get_station(session, radioid, mgmt->bssid, mgmt->sa);
if (!station || !station->wlan) {
return;
}
@ -162,7 +162,7 @@ static void ac_ieee80211_mgmt_association_request_packet(struct ac_session_data_
if (!(station->flags & AC_STATION_FLAGS_AUTHENTICATED)) {
/* Invalid station, delete station */
capwap_logging_info("Receive IEEE802.11 Association Request from %s unauthorized station", station->addrtext);
ac_stations_delete_station(sessiondata->session, station);
ac_stations_delete_station(session, station);
return;
}
@ -192,7 +192,7 @@ static void ac_ieee80211_mgmt_association_request_packet(struct ac_session_data_
/* Parsing Information Elements */
if (ieee80211_retrieve_information_elements_position(&ieitems, &mgmt->associationrequest.ie[0], ielength)) {
capwap_logging_info("Invalid IEEE802.11 Association Request from %s station", station->addrtext);
ac_stations_delete_station(sessiondata->session, station);
ac_stations_delete_station(session, station);
return;
}
@ -236,19 +236,19 @@ static void ac_ieee80211_mgmt_association_request_packet(struct ac_session_data_
responselength = ieee80211_create_associationresponse_response(buffer, sizeof(buffer), &ieee80211_params);
if (responselength > 0) {
/* Send association response */
if (!ac_session_data_send_data_packet(sessiondata, wlan->device->radioid, wlan->wlanid, buffer, responselength, 1)) {
if (!ac_kmod_send_data(&session->sockaddrdata.ss, wlan->device->radioid, session->binding, buffer, responselength)) {
capwap_logging_info("Sent IEEE802.11 Association Response to %s station with %d status code", station->addrtext, (int)resultstatuscode);
/* Active Station */
station->flags |= AC_STATION_FLAGS_ASSOCIATE;
ac_stations_authorize_station(sessiondata->session, station);
ac_stations_authorize_station(session, station);
} else {
capwap_logging_warning("Unable to send IEEE802.11 Association Response to %s station", station->addrtext);
ac_stations_delete_station(sessiondata->session, station);
ac_stations_delete_station(session, station);
}
} else {
capwap_logging_warning("Unable to create IEEE802.11 Association Response to %s station", station->addrtext);
ac_stations_delete_station(sessiondata->session, station);
ac_stations_delete_station(session, station);
}
}
}
@ -256,7 +256,7 @@ static void ac_ieee80211_mgmt_association_request_packet(struct ac_session_data_
}
/* */
static void ac_ieee80211_mgmt_association_response_packet(struct ac_session_data_t* sessiondata, uint8_t radioid, const struct ieee80211_header_mgmt* mgmt, int mgmtlength) {
static void ac_ieee80211_mgmt_association_response_packet(struct ac_session_t* session, uint8_t radioid, const struct ieee80211_header_mgmt* mgmt, int mgmtlength) {
int ielength;
struct ieee80211_ie_items ieitems;
struct ac_station* station;
@ -269,7 +269,7 @@ static void ac_ieee80211_mgmt_association_response_packet(struct ac_session_data
/* Get station */
if (!memcmp(mgmt->bssid, mgmt->sa, MACADDRESS_EUI48_LENGTH) && memcmp(mgmt->bssid, mgmt->da, MACADDRESS_EUI48_LENGTH)) {
station = ac_stations_get_station(sessiondata->session, radioid, mgmt->bssid, mgmt->da);
station = ac_stations_get_station(session, radioid, mgmt->bssid, mgmt->da);
if (station && station->wlan && (station->wlan->macmode == CAPWAP_ADD_WLAN_MACMODE_LOCAL)) {
capwap_logging_info("Receive IEEE802.11 Association Response to %s station with %d status code", station->addrtext, (int)mgmt->associationresponse.statuscode);
@ -289,7 +289,7 @@ static void ac_ieee80211_mgmt_association_response_packet(struct ac_session_data
}
/* Active Station */
ac_stations_authorize_station(sessiondata->session, station);
ac_stations_authorize_station(session, station);
}
}
}
@ -297,7 +297,7 @@ static void ac_ieee80211_mgmt_association_response_packet(struct ac_session_data
}
/* */
static void ac_ieee80211_mgmt_reassociation_request_packet(struct ac_session_data_t* sessiondata, uint8_t radioid, const struct ieee80211_header_mgmt* mgmt, int mgmtlength) {
static void ac_ieee80211_mgmt_reassociation_request_packet(struct ac_session_t* session, uint8_t radioid, const struct ieee80211_header_mgmt* mgmt, int mgmtlength) {
int ielength;
struct ieee80211_ie_items ieitems;
@ -311,7 +311,7 @@ static void ac_ieee80211_mgmt_reassociation_request_packet(struct ac_session_dat
}
/* */
static void ac_ieee80211_mgmt_reassociation_response_packet(struct ac_session_data_t* sessiondata, uint8_t radioid, const struct ieee80211_header_mgmt* mgmt, int mgmtlength) {
static void ac_ieee80211_mgmt_reassociation_response_packet(struct ac_session_t* session, uint8_t radioid, const struct ieee80211_header_mgmt* mgmt, int mgmtlength) {
int ielength;
struct ieee80211_ie_items ieitems;
@ -325,7 +325,7 @@ static void ac_ieee80211_mgmt_reassociation_response_packet(struct ac_session_da
}
/* */
static void ac_ieee80211_mgmt_disassociation_packet(struct ac_session_data_t* sessiondata, uint8_t radioid, const struct ieee80211_header_mgmt* mgmt, int mgmtlength) {
static void ac_ieee80211_mgmt_disassociation_packet(struct ac_session_t* session, uint8_t radioid, const struct ieee80211_header_mgmt* mgmt, int mgmtlength) {
int ielength;
struct ieee80211_ie_items ieitems;
@ -339,7 +339,7 @@ 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) {
static void ac_ieee80211_mgmt_deauthentication_packet(struct ac_session_t* session, uint8_t radioid, const struct ieee80211_header_mgmt* mgmt, int mgmtlength) {
int ielength;
const uint8_t* stationaddress;
struct ac_station* station;
@ -355,19 +355,20 @@ 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 */
station = ac_stations_get_station(sessiondata->session, radioid, NULL, stationaddress);
station = ac_stations_get_station(session, radioid, NULL, stationaddress);
if (station) {
station->flags &= ~(AC_STATION_FLAGS_AUTHORIZED | AC_STATION_FLAGS_AUTHENTICATED | AC_STATION_FLAGS_ASSOCIATE);
ac_stations_delete_station(sessiondata->session, station);
/* Delete station without forward another IEEE802.11 deauthentication message */
station->flags &= ~(AC_STATION_FLAGS_AUTHENTICATED | AC_STATION_FLAGS_ASSOCIATE);
ac_stations_delete_station(session, station);
}
}
/* */
static void ac_ieee80211_mgmt_packet(struct ac_session_data_t* sessiondata, uint8_t radioid, const struct ieee80211_header_mgmt* mgmt, int mgmtlength, uint16_t framecontrol_subtype) {
static void ac_ieee80211_mgmt_packet(struct ac_session_t* session, uint8_t radioid, const struct ieee80211_header_mgmt* mgmt, int mgmtlength, uint16_t framecontrol_subtype) {
switch (framecontrol_subtype) {
case IEEE80211_FRAMECONTROL_MGMT_SUBTYPE_PROBE_REQUEST: {
if (mgmtlength >= (sizeof(struct ieee80211_header) + sizeof(mgmt->proberequest))) {
ac_ieee80211_mgmt_probe_request_packet(sessiondata, radioid, mgmt, mgmtlength);
ac_ieee80211_mgmt_probe_request_packet(session, radioid, mgmt, mgmtlength);
}
break;
@ -375,7 +376,7 @@ static void ac_ieee80211_mgmt_packet(struct ac_session_data_t* sessiondata, uint
case IEEE80211_FRAMECONTROL_MGMT_SUBTYPE_AUTHENTICATION: {
if (mgmtlength >= (sizeof(struct ieee80211_header) + sizeof(mgmt->authetication))) {
ac_ieee80211_mgmt_authentication_packet(sessiondata, radioid, mgmt, mgmtlength);
ac_ieee80211_mgmt_authentication_packet(session, radioid, mgmt, mgmtlength);
}
break;
@ -383,7 +384,7 @@ static void ac_ieee80211_mgmt_packet(struct ac_session_data_t* sessiondata, uint
case IEEE80211_FRAMECONTROL_MGMT_SUBTYPE_ASSOCIATION_REQUEST: {
if (mgmtlength >= (sizeof(struct ieee80211_header) + sizeof(mgmt->associationrequest))) {
ac_ieee80211_mgmt_association_request_packet(sessiondata, radioid, mgmt, mgmtlength);
ac_ieee80211_mgmt_association_request_packet(session, radioid, mgmt, mgmtlength);
}
break;
@ -391,7 +392,7 @@ static void ac_ieee80211_mgmt_packet(struct ac_session_data_t* sessiondata, uint
case IEEE80211_FRAMECONTROL_MGMT_SUBTYPE_ASSOCIATION_RESPONSE: {
if (mgmtlength >= (sizeof(struct ieee80211_header) + sizeof(mgmt->associationresponse))) {
ac_ieee80211_mgmt_association_response_packet(sessiondata, radioid, mgmt, mgmtlength);
ac_ieee80211_mgmt_association_response_packet(session, radioid, mgmt, mgmtlength);
}
break;
@ -399,7 +400,7 @@ static void ac_ieee80211_mgmt_packet(struct ac_session_data_t* sessiondata, uint
case IEEE80211_FRAMECONTROL_MGMT_SUBTYPE_REASSOCIATION_REQUEST: {
if (mgmtlength >= (sizeof(struct ieee80211_header) + sizeof(mgmt->reassociationrequest))) {
ac_ieee80211_mgmt_reassociation_request_packet(sessiondata, radioid, mgmt, mgmtlength);
ac_ieee80211_mgmt_reassociation_request_packet(session, radioid, mgmt, mgmtlength);
}
break;
@ -407,7 +408,7 @@ static void ac_ieee80211_mgmt_packet(struct ac_session_data_t* sessiondata, uint
case IEEE80211_FRAMECONTROL_MGMT_SUBTYPE_REASSOCIATION_RESPONSE: {
if (mgmtlength >= (sizeof(struct ieee80211_header) + sizeof(mgmt->reassociationresponse))) {
ac_ieee80211_mgmt_reassociation_response_packet(sessiondata, radioid, mgmt, mgmtlength);
ac_ieee80211_mgmt_reassociation_response_packet(session, radioid, mgmt, mgmtlength);
}
break;
@ -415,7 +416,7 @@ static void ac_ieee80211_mgmt_packet(struct ac_session_data_t* sessiondata, uint
case IEEE80211_FRAMECONTROL_MGMT_SUBTYPE_DISASSOCIATION: {
if (mgmtlength >= (sizeof(struct ieee80211_header) + sizeof(mgmt->disassociation))) {
ac_ieee80211_mgmt_disassociation_packet(sessiondata, radioid, mgmt, mgmtlength);
ac_ieee80211_mgmt_disassociation_packet(session, radioid, mgmt, mgmtlength);
}
break;
@ -423,7 +424,7 @@ static void ac_ieee80211_mgmt_packet(struct ac_session_data_t* sessiondata, uint
case IEEE80211_FRAMECONTROL_MGMT_SUBTYPE_DEAUTHENTICATION: {
if (mgmtlength >= (sizeof(struct ieee80211_header) + sizeof(mgmt->deauthetication))) {
ac_ieee80211_mgmt_deauthentication_packet(sessiondata, radioid, mgmt, mgmtlength);
ac_ieee80211_mgmt_deauthentication_packet(session, radioid, mgmt, mgmtlength);
}
break;
@ -436,12 +437,12 @@ static void ac_ieee80211_mgmt_packet(struct ac_session_data_t* sessiondata, uint
}
/* */
void ac_ieee80211_packet(struct ac_session_data_t* sessiondata, uint8_t radioid, const struct ieee80211_header* header, int length) {
void ac_ieee80211_packet(struct ac_session_t* session, uint8_t radioid, const struct ieee80211_header* header, int length) {
uint16_t framecontrol;
uint16_t framecontrol_type;
uint16_t framecontrol_subtype;
ASSERT(sessiondata != NULL);
ASSERT(session != NULL);
ASSERT(IS_VALID_RADIOID(radioid));
ASSERT(header != NULL);
ASSERT(length >= sizeof(struct ieee80211_header));
@ -453,6 +454,6 @@ void ac_ieee80211_packet(struct ac_session_data_t* sessiondata, uint8_t radioid,
/* Parsing frame */
if (framecontrol_type == IEEE80211_FRAMECONTROL_TYPE_MGMT) {
ac_ieee80211_mgmt_packet(sessiondata, radioid, (const struct ieee80211_header_mgmt*)header, length, framecontrol_subtype);
ac_ieee80211_mgmt_packet(session, radioid, (const struct ieee80211_header_mgmt*)header, length, framecontrol_subtype);
}
}