7u83/freewtp
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

Add business logic of Authentication/Association in SplitMAC mode.

Browse Source
This commit is contained in:
vemax78
2014-04-25 22:05:36 +02:00
parent d4d7649f3b
commit e1023a388e
14 changed files with 498 additions and 264 deletions
Download Patch File Download Diff File Expand all files Collapse all files

156
src/wtp/binding/ieee80211/wifi_drivers.c
View File

@ -180,7 +180,7 @@ static void wifi_station_clean(struct wifi_station* station) {
wlan->device->instance->ops->station_deauthorize(wlan, station->address);
}
if (station->aid) {
if (station->aid && (wlan->macmode == CAPWAP_ADD_WLAN_MACMODE_LOCAL)) {
ieee80211_aid_free(wlan->aidbitfield, station->aid);
station->aid = 0;
}
@ -429,35 +429,9 @@ static void wifi_wlan_receive_station_mgmt_probe_request(struct wifi_wlan* wlan,
}
/* */
static int wifi_wlan_set_station_information(struct wifi_wlan* wlan, const struct ieee80211_header_mgmt* frame, struct ieee80211_ie_items* ieitems, struct wifi_station* station) {
static void wifi_wlan_management_legacy_station(struct wifi_wlan* wlan, struct wifi_station* station) {
int updatebeacons = 0;
/* Verify SSID */
if (ieee80211_is_valid_ssid(wlan->ssid, ieitems->ssid, NULL) != IEEE80211_VALID_SSID) {
return IEEE80211_STATUS_UNSPECIFIED_FAILURE;
}
/* */
station->capability = __le16_to_cpu(frame->associationrequest.capability);
station->listeninterval = __le16_to_cpu(frame->associationrequest.listeninterval);
if (ieee80211_aid_create(wlan->aidbitfield, &station->aid)) {
return IEEE80211_STATUS_AP_UNABLE_TO_HANDLE_NEW_STA;
}
/* Get supported rates */
if (!ieitems->supported_rates) {
return IEEE80211_STATUS_UNSPECIFIED_FAILURE;
} else if ((ieitems->supported_rates->len + (ieitems->extended_supported_rates ? ieitems->extended_supported_rates->len : 0)) > sizeof(station->supportedrates)) {
return IEEE80211_STATUS_UNSPECIFIED_FAILURE;
}
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);
}
/* Check NON ERP */
if (wlan->device->currentfrequency.mode & IEEE80211_RADIO_TYPE_80211G) {
int i;
@ -501,8 +475,25 @@ static int wifi_wlan_set_station_information(struct wifi_wlan* wlan, const struc
if (updatebeacons) {
wlan->device->instance->ops->device_updatebeacons(wlan->device);
}
}
return IEEE80211_STATUS_SUCCESS;
/* */
static int wifi_wlan_get_station_rates(struct wifi_station* station, struct ieee80211_ie_items* ieitems) {
if (!ieitems->supported_rates) {
return -1;
} else if ((ieitems->supported_rates->len + (ieitems->extended_supported_rates ? ieitems->extended_supported_rates->len : 0)) > sizeof(station->supportedrates)) {
return -1;
}
/* */
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);
}
return 0;
}
/* */
@ -627,9 +618,6 @@ static void wifi_wlan_receive_station_mgmt_association_request(struct wifi_wlan*
return;
}
/* */
;
/* Get station reference */
station = wifi_station_get(wlan, frame->sa);
if (!station) {
@ -661,7 +649,24 @@ static void wifi_wlan_receive_station_mgmt_association_request(struct wifi_wlan*
/* */
if (wlan->macmode == CAPWAP_ADD_WLAN_MACMODE_LOCAL) {
resultstatuscode = wifi_wlan_set_station_information(wlan, frame, &ieitems, station);
/* Verify SSID */
if (ieee80211_is_valid_ssid(wlan->ssid, ieitems.ssid, NULL) == IEEE80211_VALID_SSID) {
station->capability = __le16_to_cpu(frame->associationrequest.capability);
station->listeninterval = __le16_to_cpu(frame->associationrequest.listeninterval);
if (!ieee80211_aid_create(wlan->aidbitfield, &station->aid)) {
/* Get supported rates */
if (!wifi_wlan_get_station_rates(station, &ieitems)) {
wifi_wlan_management_legacy_station(wlan, station);
resultstatuscode = IEEE80211_STATUS_SUCCESS;
} else {
resultstatuscode = IEEE80211_STATUS_UNSPECIFIED_FAILURE;
}
} else {
resultstatuscode = IEEE80211_STATUS_AP_UNABLE_TO_HANDLE_NEW_STA;
}
} else {
resultstatuscode = IEEE80211_STATUS_UNSPECIFIED_FAILURE;
}
/* Create association response packet */
memset(&ieee80211_params, 0, sizeof(struct ieee80211_authentication_params));
@ -693,6 +698,10 @@ static void wifi_wlan_receive_station_mgmt_association_request(struct wifi_wlan*
}
} else if (wlan->macmode == CAPWAP_ADD_WLAN_MACMODE_SPLIT) {
wlan->send_frame(wlan->send_frame_to_ac_cbparam, frame, length);
/* Station information */
station->capability = __le16_to_cpu(frame->associationresponse.capability);
station->listeninterval = __le16_to_cpu(frame->associationrequest.listeninterval);
}
}
@ -700,8 +709,6 @@ static void wifi_wlan_receive_station_mgmt_association_request(struct wifi_wlan*
static void wifi_wlan_receive_station_mgmt_reassociation_request(struct wifi_wlan* wlan, const struct ieee80211_header_mgmt* frame, int length, uint8_t rssi, uint8_t snr, uint16_t rate) {
int ielength;
/* TODO */
/* Information Elements packet length */
ielength = length - (sizeof(struct ieee80211_header) + sizeof(frame->reassociationrequest));
if (ielength < 0) {
@ -715,8 +722,6 @@ static void wifi_wlan_receive_station_mgmt_reassociation_request(struct wifi_wla
static void wifi_wlan_receive_station_mgmt_disassociation(struct wifi_wlan* wlan, const struct ieee80211_header_mgmt* frame, int length, uint8_t rssi, uint8_t snr, uint16_t rate) {
int ielength;
/* TODO */
/* Information Elements packet length */
ielength = length - (sizeof(struct ieee80211_header) + sizeof(frame->disassociation));
if (ielength < 0) {
@ -734,8 +739,6 @@ static void wifi_wlan_receive_station_mgmt_deauthentication(struct wifi_wlan* wl
int ielength;
struct wifi_station* station;
/* TODO */
/* Information Elements packet length */
ielength = length - (sizeof(struct ieee80211_header) + sizeof(frame->deauthetication));
if (ielength < 0) {
@ -831,6 +834,7 @@ static void wifi_wlan_receive_station_mgmt_authentication_ack(struct wifi_wlan*
/* Check if authenticate */
if ((algorithm == IEEE80211_AUTHENTICATION_ALGORITHM_OPEN) && (transactionseqnumber == 2)) {
capwap_logging_info("IEEE802.11 Authentication complete to %s station", station->addrtext);
station->flags |= WIFI_STATION_FLAGS_AUTHENTICATED;
} else if ((algorithm == IEEE80211_AUTHENTICATION_ALGORITHM_SHARED_KEY) && (transactionseqnumber == 4)) {
/* TODO */
@ -857,11 +861,15 @@ static void wifi_wlan_receive_station_mgmt_association_response_ack(struct wifi_
/* */
statuscode = __le16_to_cpu(frame->associationresponse.statuscode);
if (statuscode == IEEE80211_STATUS_SUCCESS) {
station->flags |= WIFI_STATION_FLAGS_ASSOCIATE;
capwap_logging_info("IEEE802.11 Association complete to %s station", station->addrtext);
/* Apply authorization if Station already authorized */
/* */
station->flags |= WIFI_STATION_FLAGS_ASSOCIATE;
if (station->flags & WIFI_STATION_FLAGS_AUTHORIZED) {
wlan->device->instance->ops->station_authorize(wlan, station);
/* Apply authorization if Station already authorized */
if (wlan->device->instance->ops->station_authorize(wlan, station)) {
wifi_wlan_deauthentication_station(wlan, station, IEEE80211_REASON_PREV_AUTH_NOT_VALID, 0);
}
}
}
}
@ -893,7 +901,7 @@ static void wifi_wlan_receive_station_mgmt_ackframe(struct wifi_wlan* wlan, cons
}
/* */
static int wifi_wlan_receive_ac_mgmt_authentication(struct wifi_wlan* wlan, const struct ieee80211_header_mgmt* frame, int length) {
static int wifi_wlan_receive_ac_mgmt_authentication(struct wifi_wlan* wlan, struct ieee80211_header_mgmt* frame, int length) {
int ielength;
struct wifi_station* station;
int forwardframe = 0;
@ -904,7 +912,22 @@ static int wifi_wlan_receive_ac_mgmt_authentication(struct wifi_wlan* wlan, cons
if (wlan->macmode == CAPWAP_ADD_WLAN_MACMODE_SPLIT) {
station = wifi_station_get(wlan, frame->da);
if (station) {
/* TODO */
uint16_t statuscode = __le16_to_cpu(frame->authetication.statuscode);
if (statuscode == IEEE80211_STATUS_SUCCESS) {
uint16_t algorithm = __le16_to_cpu(frame->authetication.algorithm);
uint16_t transactionseqnumber = __le16_to_cpu(frame->authetication.transactionseqnumber);
/* Get authentication algorithm */
if ((algorithm == IEEE80211_AUTHENTICATION_ALGORITHM_OPEN) && (transactionseqnumber == 2)) {
station->authalgorithm = IEEE80211_AUTHENTICATION_ALGORITHM_OPEN;
} else if ((algorithm == IEEE80211_AUTHENTICATION_ALGORITHM_SHARED_KEY) && (transactionseqnumber == 4)) {
station->authalgorithm = IEEE80211_AUTHENTICATION_ALGORITHM_SHARED_KEY;
}
}
/* */
forwardframe = 1;
}
}
}
@ -913,8 +936,9 @@ static int wifi_wlan_receive_ac_mgmt_authentication(struct wifi_wlan* wlan, cons
}
/* */
static int wifi_wlan_receive_ac_mgmt_association_response(struct wifi_wlan* wlan, const struct ieee80211_header_mgmt* frame, int length) {
static int wifi_wlan_receive_ac_mgmt_association_response(struct wifi_wlan* wlan, struct ieee80211_header_mgmt* frame, int length) {
int ielength;
struct ieee80211_ie_items ieitems;
struct wifi_station* station;
int forwardframe = 0;
@ -929,7 +953,24 @@ static int wifi_wlan_receive_ac_mgmt_association_response(struct wifi_wlan* wlan
wifi_wlan_deauthentication_station(wlan, station, IEEE80211_REASON_PREV_AUTH_NOT_VALID, 0);
}
} else if (wlan->macmode == CAPWAP_ADD_WLAN_MACMODE_SPLIT) {
/* TODO */
uint16_t statuscode = __le16_to_cpu(frame->associationresponse.statuscode);
if ((statuscode == IEEE80211_STATUS_SUCCESS) && !ieee80211_retrieve_information_elements_position(&ieitems, &frame->associationresponse.ie[0], ielength)) {
/* Station information */
station->aid = (__le16_to_cpu(frame->associationresponse.aid) & ~IEEE80211_AID_FIELD);
/* Get supported rates */
wifi_wlan_get_station_rates(station, &ieitems);
/* */
wifi_wlan_management_legacy_station(wlan, station);
/* Assign valid WLAN capability */
frame->associationresponse.capability = __cpu_to_le16(wifi_wlan_check_capability(wlan, wlan->capability));
}
/* */
forwardframe = 1;
}
}
}
@ -938,7 +979,7 @@ static int wifi_wlan_receive_ac_mgmt_association_response(struct wifi_wlan* wlan
}
/* */
static int wifi_wlan_receive_ac_mgmt_reassociation_response(struct wifi_wlan* wlan, const struct ieee80211_header_mgmt* frame, int length) {
static int wifi_wlan_receive_ac_mgmt_reassociation_response(struct wifi_wlan* wlan, struct ieee80211_header_mgmt* frame, int length) {
int ielength;
struct wifi_station* station;
int forwardframe = 0;
@ -958,7 +999,7 @@ static int wifi_wlan_receive_ac_mgmt_reassociation_response(struct wifi_wlan* wl
}
/* */
static int wifi_wlan_receive_ac_mgmt_disassociation(struct wifi_wlan* wlan, const struct ieee80211_header_mgmt* frame, int length) {
static int wifi_wlan_receive_ac_mgmt_disassociation(struct wifi_wlan* wlan, struct ieee80211_header_mgmt* frame, int length) {
int ielength;
struct wifi_station* station;
@ -985,7 +1026,7 @@ static int wifi_wlan_receive_ac_mgmt_disassociation(struct wifi_wlan* wlan, cons
}
/* */
static int wifi_wlan_receive_ac_mgmt_deauthentication(struct wifi_wlan* wlan, const struct ieee80211_header_mgmt* frame, int length) {
static int wifi_wlan_receive_ac_mgmt_deauthentication(struct wifi_wlan* wlan, struct ieee80211_header_mgmt* frame, int length) {
int ielength;
struct wifi_station* station;
@ -1005,7 +1046,7 @@ static int wifi_wlan_receive_ac_mgmt_deauthentication(struct wifi_wlan* wlan, co
}
/* */
static int wifi_wlan_receive_ac_mgmt_frame(struct wifi_wlan* wlan, const struct ieee80211_header_mgmt* frame, int length, uint16_t framecontrol_subtype) {
static int wifi_wlan_receive_ac_mgmt_frame(struct wifi_wlan* wlan, struct ieee80211_header_mgmt* frame, int length, uint16_t framecontrol_subtype) {
int forwardframe = 0;
switch (framecontrol_subtype) {
@ -1578,7 +1619,7 @@ void wifi_wlan_receive_station_ackframe(struct wifi_wlan* wlan, const struct iee
}
/* */
void wifi_wlan_receive_ac_frame(struct wifi_wlan* wlan, const struct ieee80211_header* frame, int length) {
void wifi_wlan_receive_ac_frame(struct wifi_wlan* wlan, struct ieee80211_header* frame, int length) {
int forwardframe = 1;
uint16_t framecontrol;
uint16_t framecontrol_type;
@ -1596,7 +1637,7 @@ void wifi_wlan_receive_ac_frame(struct wifi_wlan* wlan, const struct ieee80211_h
/* Parsing frame */
if (framecontrol_type == IEEE80211_FRAMECONTROL_TYPE_MGMT) {
forwardframe = wifi_wlan_receive_ac_mgmt_frame(wlan, (const struct ieee80211_header_mgmt*)frame, length, framecontrol_subtype);
forwardframe = wifi_wlan_receive_ac_mgmt_frame(wlan, (struct ieee80211_header_mgmt*)frame, length, framecontrol_subtype);
}
/* Forward frame */
@ -1608,6 +1649,7 @@ void wifi_wlan_receive_ac_frame(struct wifi_wlan* wlan, const struct ieee80211_h
/* */
int wifi_station_authorize(struct wifi_wlan* wlan, struct station_add_params* params) {
int result;
struct wifi_station* station;
ASSERT(wlan != NULL);
@ -1622,9 +1664,6 @@ int wifi_station_authorize(struct wifi_wlan* wlan, struct station_add_params* pa
return 0;
}
/* */
capwap_logging_info("Authorized station: %s", station->addrtext);
/* */
capwap_timeout_deletetimer(g_wifiglobal.timeout, station->idtimeout);
station->idtimeout = CAPWAP_TIMEOUT_INDEX_NO_SET;
@ -1636,7 +1675,12 @@ int wifi_station_authorize(struct wifi_wlan* wlan, struct station_add_params* pa
}
/* Station authorized */
return wlan->device->instance->ops->station_authorize(wlan, station);
result = wlan->device->instance->ops->station_authorize(wlan, station);
if (result) {
wifi_wlan_deauthentication_station(wlan, station, IEEE80211_REASON_PREV_AUTH_NOT_VALID, 0);
}
return result;
}
/* */