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Started implementing the packet management of IEEE802.11 by AC side.

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Made it clear some constants.
This commit is contained in:
vemax78
2014-04-02 22:40:04 +02:00
parent 7fd2d4357a
commit ae97e96f57
24 changed files with 609 additions and 44 deletions
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161
src/ac/ac_ieee80211_data.c
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@ -3,8 +3,165 @@
#include "ieee80211.h"
/* */
void ac_ieee80211_data(struct ac_session_data_t* sessiondata, uint8_t* buffer, int length) {
static void ac_ieee80211_mgmt_probe_request_packet(struct ac_session_data_t* sessiondata, const struct ieee80211_header_mgmt* mgmt, int mgmtlength) {
int ielength;
struct ieee80211_ie_items ieitems;
/* Parsing Information Elements */
ielength = mgmtlength - (sizeof(struct ieee80211_header) + sizeof(mgmt->proberequest));
if (ieee80211_retrieve_information_elements_position(&ieitems, &mgmt->proberequest.ie[0], ielength)) {
return;
}
/* TODO */
}
/* */
static void ac_ieee80211_mgmt_authentication_packet(struct ac_session_data_t* sessiondata, const struct ieee80211_header_mgmt* mgmt, int mgmtlength) {
int ielength;
struct ieee80211_ie_items ieitems;
/* Parsing Information Elements */
ielength = mgmtlength - (sizeof(struct ieee80211_header) + sizeof(mgmt->proberequest));
if (ieee80211_retrieve_information_elements_position(&ieitems, &mgmt->proberequest.ie[0], ielength)) {
return;
}
/* TODO */
}
/* */
static void ac_ieee80211_mgmt_association_request_packet(struct ac_session_data_t* sessiondata, const struct ieee80211_header_mgmt* mgmt, int mgmtlength) {
int ielength;
struct ieee80211_ie_items ieitems;
/* Parsing Information Elements */
ielength = mgmtlength - (sizeof(struct ieee80211_header) + sizeof(mgmt->proberequest));
if (ieee80211_retrieve_information_elements_position(&ieitems, &mgmt->proberequest.ie[0], ielength)) {
return;
}
/* TODO */
}
/* */
static void ac_ieee80211_mgmt_reassociation_request_packet(struct ac_session_data_t* sessiondata, const struct ieee80211_header_mgmt* mgmt, int mgmtlength) {
int ielength;
struct ieee80211_ie_items ieitems;
/* Parsing Information Elements */
ielength = mgmtlength - (sizeof(struct ieee80211_header) + sizeof(mgmt->proberequest));
if (ieee80211_retrieve_information_elements_position(&ieitems, &mgmt->proberequest.ie[0], ielength)) {
return;
}
/* TODO */
}
/* */
static void ac_ieee80211_mgmt_disassociation_packet(struct ac_session_data_t* sessiondata, const struct ieee80211_header_mgmt* mgmt, int mgmtlength) {
int ielength;
struct ieee80211_ie_items ieitems;
/* Parsing Information Elements */
ielength = mgmtlength - (sizeof(struct ieee80211_header) + sizeof(mgmt->proberequest));
if (ieee80211_retrieve_information_elements_position(&ieitems, &mgmt->proberequest.ie[0], ielength)) {
return;
}
/* TODO */
}
/* */
static void ac_ieee80211_mgmt_deauthentication_packet(struct ac_session_data_t* sessiondata, const struct ieee80211_header_mgmt* mgmt, int mgmtlength) {
int ielength;
struct ieee80211_ie_items ieitems;
/* Parsing Information Elements */
ielength = mgmtlength - (sizeof(struct ieee80211_header) + sizeof(mgmt->proberequest));
if (ieee80211_retrieve_information_elements_position(&ieitems, &mgmt->proberequest.ie[0], ielength)) {
return;
}
/* TODO */
}
/* */
static void ac_ieee80211_mgmt_packet(struct ac_session_data_t* sessiondata, 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, mgmt, mgmtlength);
}
break;
}
case IEEE80211_FRAMECONTROL_MGMT_SUBTYPE_AUTHENTICATION: {
if (mgmtlength >= (sizeof(struct ieee80211_header) + sizeof(mgmt->authetication))) {
ac_ieee80211_mgmt_authentication_packet(sessiondata, mgmt, mgmtlength);
}
break;
}
case IEEE80211_FRAMECONTROL_MGMT_SUBTYPE_ASSOCIATION_REQUEST: {
if (mgmtlength >= (sizeof(struct ieee80211_header) + sizeof(mgmt->associationrequest))) {
ac_ieee80211_mgmt_association_request_packet(sessiondata, mgmt, mgmtlength);
}
break;
}
case IEEE80211_FRAMECONTROL_MGMT_SUBTYPE_REASSOCIATION_REQUEST: {
if (mgmtlength >= (sizeof(struct ieee80211_header) + sizeof(mgmt->reassociationrequest))) {
ac_ieee80211_mgmt_reassociation_request_packet(sessiondata, mgmt, mgmtlength);
}
break;
}
case IEEE80211_FRAMECONTROL_MGMT_SUBTYPE_DISASSOCIATION: {
if (mgmtlength >= (sizeof(struct ieee80211_header) + sizeof(mgmt->disassociation))) {
ac_ieee80211_mgmt_disassociation_packet(sessiondata, mgmt, mgmtlength);
}
break;
}
case IEEE80211_FRAMECONTROL_MGMT_SUBTYPE_DEAUTHENTICATION: {
if (mgmtlength >= (sizeof(struct ieee80211_header) + sizeof(mgmt->deauthetication))) {
ac_ieee80211_mgmt_deauthentication_packet(sessiondata, mgmt, mgmtlength);
}
break;
}
case IEEE80211_FRAMECONTROL_MGMT_SUBTYPE_ACTION: {
break;
}
}
}
/* */
void ac_ieee80211_packet(struct ac_session_data_t* sessiondata, const uint8_t* buffer, int length) {
const struct ieee80211_header* header;
uint16_t framecontrol;
uint16_t framecontrol_type;
uint16_t framecontrol_subtype;
ASSERT(sessiondata != NULL);
ASSERT(buffer != NULL);
ASSERT(length > 0);
ASSERT(length >= sizeof(struct ieee80211_header));
/* Get type frame */
header = (const struct ieee80211_header*)buffer;
framecontrol = __le16_to_cpu(header->framecontrol);
framecontrol_type = IEEE80211_FRAME_CONTROL_GET_TYPE(framecontrol);
framecontrol_subtype = IEEE80211_FRAME_CONTROL_GET_SUBTYPE(framecontrol);
/* Parsing frame */
if (framecontrol_type == IEEE80211_FRAMECONTROL_TYPE_MGMT) {
ac_ieee80211_mgmt_packet(sessiondata, (const struct ieee80211_header_mgmt*)buffer, length, framecontrol_subtype);
}
}