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

Added the code that handles the result code of a request.

Browse Source
This commit is contained in:
vemax78
2013-08-11 18:38:23 +02:00
parent b15e0148b2
commit 7ddb32d217
16 changed files with 448 additions and 133 deletions
Download Patch File Download Diff File Expand all files Collapse all files

59
src/ac/ac_session.c
View File

@ -428,6 +428,47 @@ static void ac_free_packet_rxmng(struct ac_session_t* session, int isctrlmsg) {
}
}
/* */
static void ac_send_invalid_request(struct ac_session_t* session, struct capwap_packet_rxmng* rxmngpacket, struct capwap_connection* connection, uint32_t errorcode) {
struct capwap_header_data capwapheader;
struct capwap_packet_txmng* txmngpacket;
struct capwap_list* responsefragmentpacket;
struct capwap_fragment_packet_item* packet;
struct capwap_header* header;
struct capwap_resultcode_element resultcode = { .code = errorcode };
ASSERT(rxmngpacket != NULL);
ASSERT(rxmngpacket->fragmentlist->first != NULL);
ASSERT(connection != NULL);
/* */
packet = (struct capwap_fragment_packet_item*)rxmngpacket->fragmentlist->first->item;
header = (struct capwap_header*)packet->buffer;
/* Odd message type */
capwap_header_init(&capwapheader, CAPWAP_RADIOID_NONE, GET_WBID_HEADER(header));
txmngpacket = capwap_packet_txmng_create_ctrl_message(&capwapheader, rxmngpacket->ctrlmsg.type + 1, rxmngpacket->ctrlmsg.seq, session->mtu);
/* Add message element */
capwap_packet_txmng_add_message_element(txmngpacket, CAPWAP_ELEMENT_RESULTCODE, &resultcode);
/* Unknown response complete, get fragment packets */
responsefragmentpacket = capwap_list_create();
capwap_packet_txmng_get_fragment_packets(txmngpacket, responsefragmentpacket, session->fragmentid);
if (responsefragmentpacket->count > 1) {
session->fragmentid++;
}
/* Free packets manager */
capwap_packet_txmng_free(txmngpacket);
/* Send unknown response */
capwap_crypt_sendto_fragmentpacket(&session->ctrldtls, connection->socket.socket[connection->socket.type], responsefragmentpacket, &connection->localaddr, &connection->remoteaddr);
/* Don't buffering a packets sent */
capwap_list_free(responsefragmentpacket);
}
/* */
static void ac_session_run(struct ac_session_t* session) {
int res;
@ -491,7 +532,8 @@ static void ac_session_run(struct ac_session_t* session) {
res = capwap_check_message_type(rxmngpacket);
if (res != VALID_MESSAGE_TYPE) {
if (res == INVALID_REQUEST_MESSAGE_TYPE) {
/*TODO wtp_send_invalid_request(rxmngpacket, &connection);*/
capwap_logging_warning("Unexpected Unrecognized Request, send Response Packet with error");
ac_send_invalid_request(session, rxmngpacket, &connection, CAPWAP_RESULTCODE_MSG_UNEXPECTED_UNRECOGNIZED_REQUEST);
}
ignorepacket = 1;
@ -505,14 +547,25 @@ static void ac_session_run(struct ac_session_t* session) {
/* Parsing packet */
if (!ignorepacket) {
if (!capwap_parsing_packet(rxmngpacket, &connection, &packet)) {
res = capwap_parsing_packet(rxmngpacket, &connection, &packet);
if (res == PARSING_COMPLETE) {
/* Validate packet */
if (capwap_validate_parsed_packet(&packet, NULL)) {
/* TODO gestione errore risposta */
if (isctrlsocket && capwap_is_request_type(rxmngpacket->ctrlmsg.type)) {
capwap_logging_warning("Missing Mandatory Message Element, send Response Packet with error");
ac_send_invalid_request(session, rxmngpacket, &connection, CAPWAP_RESULTCODE_FAILURE_MISSING_MANDATORY_MSG_ELEMENT);
}
ignorepacket = 1;
capwap_logging_debug("Failed validation parsed packet");
}
} else {
if (isctrlsocket && (res == UNRECOGNIZED_MESSAGE_ELEMENT) && capwap_is_request_type(rxmngpacket->ctrlmsg.type)) {
capwap_logging_warning("Unrecognized Message Element, send Response Packet with error");
ac_send_invalid_request(session, rxmngpacket, &connection, CAPWAP_RESULTCODE_FAILURE_UNRECOGNIZED_MESSAGE_ELEMENT);
/* TODO: add the unrecognized message element */
}
ignorepacket = 1;
capwap_logging_debug("Failed parsing packet");
}