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Fix code and improve wlan configuration functionality

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This commit is contained in:
vemax78
2013-12-04 22:25:16 +01:00
parent e095195c97
commit 7253e60aed
10 changed files with 217 additions and 67 deletions
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1
src/wtp/wtp.c
View File

@ -98,6 +98,7 @@ static int wtp_init(void) {
g_wtp.mtu = CAPWAP_MTU_DEFAULT;
g_wtp.requestfragmentpacket = capwap_list_create();
g_wtp.responsefragmentpacket = capwap_list_create();
g_wtp.remoteseqnumber = WTP_INIT_REMOTE_SEQUENCE;
/* AC information */
g_wtp.discoverytype.type = CAPWAP_DISCOVERYTYPE_TYPE_UNKNOWN;

2
src/wtp/wtp.h
View File

@ -36,6 +36,8 @@
#define WTP_DEFAULT_DTLS_SESSION_DELETE 5
#define WTP_DEFAULT_FAILED_DTLS_SESSION_RETRY 3
#define WTP_INIT_REMOTE_SEQUENCE 0xff
/* WTP State machine */
struct wtp_state {
unsigned long state;

45
src/wtp/wtp_dfa_run.c
View File

@ -98,6 +98,49 @@ static void receive_reset_request(struct capwap_parsed_packet* packet) {
}
}
/* */
static void receive_ieee80211_wlan_configuration_request(struct capwap_parsed_packet* packet) {
unsigned short binding;
ASSERT(packet != NULL);
/* */
binding = GET_WBID_HEADER(packet->rxmngpacket->header);
if ((binding == g_wtp.binding) && IS_SEQUENCE_SMALLER(g_wtp.remoteseqnumber, packet->rxmngpacket->ctrlmsg.seq)) {
struct capwap_header_data capwapheader;
struct capwap_packet_txmng* txmngpacket;
struct capwap_resultcode_element resultcode = { .code = CAPWAP_RESULTCODE_SUCCESS };
/* Build packet */
capwap_header_init(&capwapheader, CAPWAP_RADIOID_NONE, g_wtp.binding);
txmngpacket = capwap_packet_txmng_create_ctrl_message(&capwapheader, CAPWAP_IEEE80211_WLAN_CONFIGURATION_RESPONSE, packet->rxmngpacket->ctrlmsg.seq, g_wtp.mtu);
/* Add message element */
capwap_packet_txmng_add_message_element(txmngpacket, CAPWAP_ELEMENT_RESULTCODE, &resultcode);
/* CAPWAP_ELEMENT_80211_ASSIGN_BSSID */ /* TODO */
/* CAPWAP_ELEMENT_VENDORPAYLOAD */ /* TODO */
/* IEEE802.11 WLAN Configuration response complete, get fragment packets */
wtp_free_reference_last_response();
capwap_packet_txmng_get_fragment_packets(txmngpacket, g_wtp.responsefragmentpacket, g_wtp.fragmentid);
if (g_wtp.responsefragmentpacket->count > 1) {
g_wtp.fragmentid++;
}
/* Free packets manager */
capwap_packet_txmng_free(txmngpacket);
/* Save remote sequence number */
g_wtp.remoteseqnumber = packet->rxmngpacket->ctrlmsg.seq;
capwap_get_packet_digest(packet->rxmngpacket, packet->connection, g_wtp.lastrecvpackethash);
/* Send IEEE802.11 WLAN Configuration response to AC */
if (!capwap_crypt_sendto_fragmentpacket(&g_wtp.ctrldtls, g_wtp.acctrlsock.socket[g_wtp.acctrlsock.type], g_wtp.responsefragmentpacket, &g_wtp.wtpctrladdress, &g_wtp.acctrladdress)) {
capwap_logging_debug("Warning: error to send IEEE802.11 WLAN Configuration response packet");
}
}
}
/* */
void wtp_dfa_state_run(struct capwap_parsed_packet* packet, struct timeout_control* timeout) {
ASSERT(timeout != NULL);
@ -158,7 +201,7 @@ void wtp_dfa_state_run(struct capwap_parsed_packet* packet, struct timeout_contr
}
case CAPWAP_IEEE80211_WLAN_CONFIGURATION_REQUEST: {
/* TODO */
receive_ieee80211_wlan_configuration_request(packet);
break;
}
}