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process_packet(): remove one indent level

This commit is contained in:
rofl0r 2017-12-12 16:55:04 +00:00
parent c7652bae8d
commit e12645b1ac
1 changed files with 71 additions and 71 deletions
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142
src/exchange.c
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@ -314,100 +314,100 @@ enum wps_type process_packet(const u_char *packet, struct pcap_pkthdr *header)
frame_header = (struct dot11_frame_header *) (packet+rt_header_len);
/* Does the BSSID/source address match our target BSSID? */
if(memcmp(frame_header->addr3, get_bssid(), MAC_ADDR_LEN) == 0)
if(memcmp(frame_header->addr3, get_bssid(), MAC_ADDR_LEN) != 0)
return UNKNOWN;
/* Is this a data packet sent to our MAC address? */
if (((frame_header->fc & end_htole16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
end_htole16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_DATA)) &&
(memcmp(frame_header->addr1, get_mac(), MAC_ADDR_LEN) == 0))
{
/* Is this a data packet sent to our MAC address? */
if (((frame_header->fc & end_htole16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
end_htole16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_DATA)) &&
(memcmp(frame_header->addr1, get_mac(), MAC_ADDR_LEN) == 0))
llc = (struct llc_header *) (packet +
rt_header_len +
sizeof(struct dot11_frame_header)
);
/* All packets in our exchanges will be 802.1x */
if(llc->type == end_htobe16(DOT1X_AUTHENTICATION))
{
llc = (struct llc_header *) (packet +
dot1x = (struct dot1X_header *) (packet +
rt_header_len +
sizeof(struct dot11_frame_header)
sizeof(struct dot11_frame_header) +
sizeof(struct llc_header)
);
/* All packets in our exchanges will be 802.1x */
if(llc->type == end_htobe16(DOT1X_AUTHENTICATION))
/* All packets in our exchanges will be EAP packets */
if(dot1x->type == DOT1X_EAP_PACKET && (header->len >= EAP_PACKET_SIZE))
{
dot1x = (struct dot1X_header *) (packet +
eap = (struct eap_header *) (packet +
rt_header_len +
sizeof(struct dot11_frame_header) +
sizeof(struct llc_header)
sizeof(struct llc_header) +
sizeof(struct dot1X_header)
);
/* All packets in our exchanges will be EAP packets */
if(dot1x->type == DOT1X_EAP_PACKET && (header->len >= EAP_PACKET_SIZE))
/* EAP session termination. Break and move on. */
if(eap->code == EAP_FAILURE)
{
eap = (struct eap_header *) (packet +
rt_header_len +
sizeof(struct dot11_frame_header) +
sizeof(struct llc_header) +
sizeof(struct dot1X_header)
);
type = TERMINATE;
}
/* If we've received an EAP request and then this should be a WPS message */
else if(eap->code == EAP_REQUEST)
{
/* The EAP header builder needs this ID value */
set_eap_id(eap->id);
/* EAP session termination. Break and move on. */
if(eap->code == EAP_FAILURE)
/* Stop the receive timer that was started by the last send_packet() */
stop_timer();
/* Check to see if we received an EAP identity request */
if(eap->type == EAP_IDENTITY)
{
type = TERMINATE;
}
/* If we've received an EAP request and then this should be a WPS message */
else if(eap->code == EAP_REQUEST)
/* We've initiated an EAP session, so reset the counter */
set_eapol_start_count(0);
type = IDENTITY_REQUEST;
}
/* An expanded EAP type indicates a probable WPS message */
else if((eap->type == EAP_EXPANDED) && (header->len > WFA_PACKET_SIZE))
{
/* The EAP header builder needs this ID value */
set_eap_id(eap->id);
wfa = (struct wfa_expanded_header *) (packet +
rt_header_len +
sizeof(struct dot11_frame_header) +
sizeof(struct llc_header) +
sizeof(struct dot1X_header) +
sizeof(struct eap_header)
);
/* Stop the receive timer that was started by the last send_packet() */
stop_timer();
/* Check to see if we received an EAP identity request */
if(eap->type == EAP_IDENTITY)
/* Verify that this is a WPS message */
if(wfa->type == end_htobe32(SIMPLE_CONFIG))
{
/* We've initiated an EAP session, so reset the counter */
set_eapol_start_count(0);
wps_msg_len = (size_t) ntohs(eap->len) -
sizeof(struct eap_header) -
sizeof(struct wfa_expanded_header);
type = IDENTITY_REQUEST;
}
/* An expanded EAP type indicates a probable WPS message */
else if((eap->type == EAP_EXPANDED) && (header->len > WFA_PACKET_SIZE))
{
wfa = (struct wfa_expanded_header *) (packet +
rt_header_len +
sizeof(struct dot11_frame_header) +
sizeof(struct llc_header) +
sizeof(struct dot1X_header) +
sizeof(struct eap_header)
wps_msg = (const void *) (packet +
rt_header_len +
sizeof(struct dot11_frame_header) +
sizeof(struct llc_header) +
sizeof(struct dot1X_header) +
sizeof(struct eap_header) +
sizeof(struct wfa_expanded_header)
);
/* Verify that this is a WPS message */
if(wfa->type == end_htobe32(SIMPLE_CONFIG))
{
wps_msg_len = (size_t) ntohs(eap->len) -
sizeof(struct eap_header) -
sizeof(struct wfa_expanded_header);
wps_msg = (const void *) (packet +
rt_header_len +
sizeof(struct dot11_frame_header) +
sizeof(struct llc_header) +
sizeof(struct dot1X_header) +
sizeof(struct eap_header) +
sizeof(struct wfa_expanded_header)
);
/* Save the current WPS state. This way if we get a NACK message, we can
* determine what state we were in when the NACK arrived.
*/
wps = get_wps();
set_last_wps_state(wps->state);
set_opcode(wfa->opcode);
/* Save the current WPS state. This way if we get a NACK message, we can
* determine what state we were in when the NACK arrived.
*/
wps = get_wps();
set_last_wps_state(wps->state);
set_opcode(wfa->opcode);
/* Process the WPS message and send a response */
type = process_wps_message(wps_msg, wps_msg_len);
}
/* Process the WPS message and send a response */
type = process_wps_message(wps_msg, wps_msg_len);
}
}
}
}
}
}
}