The capwap data channel migrated from userspace to kernalspace
This commit is contained in:
vemax78
@ -172,8 +172,9 @@ void* capwap_get_message_element_data(struct capwap_parsed_packet* packet, uint1
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}
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/* */
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int capwap_parsing_packet(struct capwap_packet_rxmng* rxmngpacket, struct capwap_connection* connection, struct capwap_parsed_packet* packet) {
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int capwap_parsing_packet(struct capwap_packet_rxmng* rxmngpacket, struct capwap_parsed_packet* packet) {
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unsigned short binding;
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unsigned short bodylength;
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ASSERT(rxmngpacket != NULL);
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ASSERT(packet != NULL);
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@ -181,7 +182,6 @@ int capwap_parsing_packet(struct capwap_packet_rxmng* rxmngpacket, struct capwap
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/* */
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memset(packet, 0, sizeof(struct capwap_parsed_packet));
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packet->rxmngpacket = rxmngpacket;
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packet->connection = connection;
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packet->messages = capwap_list_create();
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binding = GET_WBID_HEADER(packet->rxmngpacket->header);
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@ -189,179 +189,115 @@ int capwap_parsing_packet(struct capwap_packet_rxmng* rxmngpacket, struct capwap
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/* Position reader to capwap body */
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memcpy(&rxmngpacket->readpos, &rxmngpacket->readbodypos, sizeof(struct read_block_from_pos));
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if (rxmngpacket->isctrlpacket) {
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unsigned short bodylength = rxmngpacket->ctrlmsg.length - CAPWAP_CONTROL_MESSAGE_MIN_LENGTH;
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while (bodylength > 0) {
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uint16_t type;
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uint16_t msglength;
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int category;
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struct capwap_list_item* itemlist;
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struct capwap_message_element_itemlist* messageelement;
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struct capwap_message_elements_ops* read_ops;
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/* Get type and length */
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rxmngpacket->readerpacketallowed = sizeof(struct capwap_message_element);
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if (rxmngpacket->read_ops.read_u16((capwap_message_elements_handle)rxmngpacket, &type) != sizeof(uint16_t)) {
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return INVALID_MESSAGE_ELEMENT;
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}
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/* Check type */
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if (!IS_VALID_MESSAGE_ELEMENTS(type)) {
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return UNRECOGNIZED_MESSAGE_ELEMENT;
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}
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/* Check binding */
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if (IS_80211_MESSAGE_ELEMENTS(type) && (binding != CAPWAP_WIRELESS_BINDING_IEEE80211)) {
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return UNRECOGNIZED_MESSAGE_ELEMENT;
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}
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if (rxmngpacket->read_ops.read_u16((capwap_message_elements_handle)rxmngpacket, &msglength) != sizeof(uint16_t)) {
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return INVALID_MESSAGE_ELEMENT;
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}
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/* Check length */
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if (msglength > bodylength) {
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return INVALID_MESSAGE_ELEMENT;
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}
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/* Reader function */
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read_ops = capwap_get_message_element_ops(type);
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if (!read_ops) {
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return INVALID_MESSAGE_ELEMENT;
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}
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/* Allowed to parsing only the size of message element */
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rxmngpacket->readerpacketallowed = msglength;
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/* */
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itemlist = capwap_get_message_element(packet, type);
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category = capwap_get_message_element_category(type);
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if (category == CAPWAP_MESSAGE_ELEMENT_SINGLE) {
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/* Check for multiple message element */
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if (itemlist) {
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return INVALID_MESSAGE_ELEMENT;
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}
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/* Create new message element */
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itemlist = capwap_itemlist_create(sizeof(struct capwap_message_element_itemlist));
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messageelement = (struct capwap_message_element_itemlist*)itemlist->item;
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messageelement->type = type;
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messageelement->category = CAPWAP_MESSAGE_ELEMENT_SINGLE;
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messageelement->data = read_ops->parsing_message_element((capwap_message_elements_handle)rxmngpacket, &rxmngpacket->read_ops);
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if (!messageelement->data) {
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capwap_itemlist_free(itemlist);
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return INVALID_MESSAGE_ELEMENT;
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}
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/* */
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capwap_itemlist_insert_after(packet->messages, NULL, itemlist);
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} else if (category == CAPWAP_MESSAGE_ELEMENT_ARRAY) {
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void* datamsgelement;
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struct capwap_array* arraymessageelement;
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if (itemlist) {
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messageelement = (struct capwap_message_element_itemlist*)itemlist->item;
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arraymessageelement = (struct capwap_array*)messageelement->data;
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} else {
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arraymessageelement = capwap_array_create(sizeof(void*), 0, 0);
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/* */
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itemlist = capwap_itemlist_create(sizeof(struct capwap_message_element_itemlist));
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messageelement = (struct capwap_message_element_itemlist*)itemlist->item;
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messageelement->type = type;
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messageelement->category = CAPWAP_MESSAGE_ELEMENT_ARRAY;
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messageelement->data = (void*)arraymessageelement;
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/* */
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capwap_itemlist_insert_after(packet->messages, NULL, itemlist);
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}
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/* Get message element */
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datamsgelement = read_ops->parsing_message_element((capwap_message_elements_handle)rxmngpacket, &rxmngpacket->read_ops);
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if (!datamsgelement) {
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return INVALID_MESSAGE_ELEMENT;
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}
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/* */
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memcpy(capwap_array_get_item_pointer(arraymessageelement, arraymessageelement->count), &datamsgelement, sizeof(void*));
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}
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/* Check if read all data of message element */
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if (rxmngpacket->readerpacketallowed) {
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return INVALID_MESSAGE_ELEMENT;
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}
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/* */
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bodylength -= (msglength + sizeof(struct capwap_message_element));
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}
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} else if (IS_FLAG_K_HEADER(rxmngpacket->header)) {
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/* */
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bodylength = rxmngpacket->ctrlmsg.length - CAPWAP_CONTROL_MESSAGE_MIN_LENGTH;
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while (bodylength > 0) {
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uint16_t type;
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uint16_t msglength;
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int category;
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struct capwap_list_item* itemlist;
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struct capwap_message_element_itemlist* messageelement;
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struct capwap_message_elements_ops* read_ops;
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unsigned short bodylength = rxmngpacket->datamsg.length - CAPWAP_DATA_MESSAGE_KEEPALIVE_MIN_LENGTH;
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/* Get type and length */
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rxmngpacket->readerpacketallowed = sizeof(struct capwap_message_element);
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rxmngpacket->read_ops.read_u16((capwap_message_elements_handle)rxmngpacket, &type);
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rxmngpacket->read_ops.read_u16((capwap_message_elements_handle)rxmngpacket, &msglength);
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if (rxmngpacket->read_ops.read_u16((capwap_message_elements_handle)rxmngpacket, &type) != sizeof(uint16_t)) {
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return INVALID_MESSAGE_ELEMENT;
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}
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/* Check type */
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if (!IS_VALID_MESSAGE_ELEMENTS(type)) {
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return UNRECOGNIZED_MESSAGE_ELEMENT;
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}
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/* Check binding */
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if (IS_80211_MESSAGE_ELEMENTS(type) && (binding != CAPWAP_WIRELESS_BINDING_IEEE80211)) {
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return UNRECOGNIZED_MESSAGE_ELEMENT;
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}
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if (rxmngpacket->read_ops.read_u16((capwap_message_elements_handle)rxmngpacket, &msglength) != sizeof(uint16_t)) {
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return INVALID_MESSAGE_ELEMENT;
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}
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/* Check length */
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if ((msglength + sizeof(struct capwap_message_element)) != bodylength) {
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if (msglength > bodylength) {
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return INVALID_MESSAGE_ELEMENT;
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}
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/* Reader function */
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read_ops = capwap_get_message_element_ops(type);
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if (!read_ops) {
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return INVALID_MESSAGE_ELEMENT;
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}
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/* Allowed to parsing only the size of message element */
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rxmngpacket->readerpacketallowed = msglength;
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if (type != CAPWAP_ELEMENT_SESSIONID) {
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return UNRECOGNIZED_MESSAGE_ELEMENT;
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/* */
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itemlist = capwap_get_message_element(packet, type);
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category = capwap_get_message_element_category(type);
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if (category == CAPWAP_MESSAGE_ELEMENT_SINGLE) {
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/* Check for multiple message element */
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if (itemlist) {
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return INVALID_MESSAGE_ELEMENT;
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}
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/* Create new message element */
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itemlist = capwap_itemlist_create(sizeof(struct capwap_message_element_itemlist));
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messageelement = (struct capwap_message_element_itemlist*)itemlist->item;
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messageelement->type = type;
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messageelement->category = CAPWAP_MESSAGE_ELEMENT_SINGLE;
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messageelement->data = read_ops->parsing_message_element((capwap_message_elements_handle)rxmngpacket, &rxmngpacket->read_ops);
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if (!messageelement->data) {
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capwap_itemlist_free(itemlist);
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return INVALID_MESSAGE_ELEMENT;
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}
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/* */
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capwap_itemlist_insert_after(packet->messages, NULL, itemlist);
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} else if (category == CAPWAP_MESSAGE_ELEMENT_ARRAY) {
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void* datamsgelement;
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struct capwap_array* arraymessageelement;
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if (itemlist) {
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messageelement = (struct capwap_message_element_itemlist*)itemlist->item;
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arraymessageelement = (struct capwap_array*)messageelement->data;
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} else {
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arraymessageelement = capwap_array_create(sizeof(void*), 0, 0);
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/* */
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itemlist = capwap_itemlist_create(sizeof(struct capwap_message_element_itemlist));
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messageelement = (struct capwap_message_element_itemlist*)itemlist->item;
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messageelement->type = type;
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messageelement->category = CAPWAP_MESSAGE_ELEMENT_ARRAY;
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messageelement->data = (void*)arraymessageelement;
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/* */
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capwap_itemlist_insert_after(packet->messages, NULL, itemlist);
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}
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/* Get message element */
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datamsgelement = read_ops->parsing_message_element((capwap_message_elements_handle)rxmngpacket, &rxmngpacket->read_ops);
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if (!datamsgelement) {
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return INVALID_MESSAGE_ELEMENT;
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}
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/* */
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memcpy(capwap_array_get_item_pointer(arraymessageelement, arraymessageelement->count), &datamsgelement, sizeof(void*));
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}
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/* Retrieve session id */
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read_ops = capwap_get_message_element_ops(CAPWAP_ELEMENT_SESSIONID);
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itemlist = capwap_itemlist_create(sizeof(struct capwap_message_element_itemlist));
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messageelement = (struct capwap_message_element_itemlist*)itemlist->item;
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messageelement->type = CAPWAP_ELEMENT_SESSIONID;
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messageelement->category = CAPWAP_MESSAGE_ELEMENT_SINGLE;
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messageelement->data = read_ops->parsing_message_element((capwap_message_elements_handle)rxmngpacket, &rxmngpacket->read_ops);
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if (!messageelement->data) {
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capwap_itemlist_free(itemlist);
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return INVALID_MESSAGE_ELEMENT;
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/* Check if read all data of message element */
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if (rxmngpacket->readerpacketallowed) {
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return INVALID_MESSAGE_ELEMENT;
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}
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/* */
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capwap_itemlist_insert_after(packet->messages, NULL, itemlist);
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bodylength -= (msglength + sizeof(struct capwap_message_element));
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}
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return PARSING_COMPLETE;
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}
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/* */
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int capwap_packet_getdata(struct capwap_packet_rxmng* rxmngpacket, uint8_t* buffer, int maxlength) {
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int result;
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ASSERT(rxmngpacket != NULL);
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ASSERT(buffer != NULL);
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ASSERT(maxlength > 0);
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/* Get only data packet */
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if (rxmngpacket->isctrlpacket || IS_FLAG_K_HEADER(rxmngpacket->header)) {
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return -1;
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} else if (rxmngpacket->packetlength > maxlength) {
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return -1;
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}
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/* Get data packet */
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rxmngpacket->readerpacketallowed = rxmngpacket->packetlength;
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result = rxmngpacket->read_ops.read_block((capwap_message_elements_handle)rxmngpacket, buffer, rxmngpacket->packetlength);
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if (result != rxmngpacket->packetlength) {
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return -1;
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}
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return result;
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}
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/* */
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int capwap_validate_parsed_packet(struct capwap_parsed_packet* packet, struct capwap_array* returnedmessage) {
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unsigned short binding;
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@ -372,350 +308,335 @@ int capwap_validate_parsed_packet(struct capwap_parsed_packet* packet, struct ca
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binding = GET_WBID_HEADER(packet->rxmngpacket->header);
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if (packet->rxmngpacket->isctrlpacket) {
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switch (packet->rxmngpacket->ctrlmsg.type) {
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case CAPWAP_DISCOVERY_REQUEST: {
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if (capwap_get_message_element(packet, CAPWAP_ELEMENT_DISCOVERYTYPE) &&
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capwap_get_message_element(packet, CAPWAP_ELEMENT_WTPBOARDDATA) &&
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capwap_get_message_element(packet, CAPWAP_ELEMENT_WTPDESCRIPTOR) &&
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capwap_get_message_element(packet, CAPWAP_ELEMENT_WTPFRAMETUNNELMODE) &&
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capwap_get_message_element(packet, CAPWAP_ELEMENT_WTPMACTYPE)) {
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switch (packet->rxmngpacket->ctrlmsg.type) {
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case CAPWAP_DISCOVERY_REQUEST: {
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if (capwap_get_message_element(packet, CAPWAP_ELEMENT_DISCOVERYTYPE) &&
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capwap_get_message_element(packet, CAPWAP_ELEMENT_WTPBOARDDATA) &&
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capwap_get_message_element(packet, CAPWAP_ELEMENT_WTPDESCRIPTOR) &&
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capwap_get_message_element(packet, CAPWAP_ELEMENT_WTPFRAMETUNNELMODE) &&
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capwap_get_message_element(packet, CAPWAP_ELEMENT_WTPMACTYPE)) {
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if (binding == CAPWAP_WIRELESS_BINDING_IEEE80211) {
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if (capwap_get_message_element(packet, CAPWAP_ELEMENT_80211_WTPRADIOINFORMATION)) {
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return 0;
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}
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} else {
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if (binding == CAPWAP_WIRELESS_BINDING_IEEE80211) {
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if (capwap_get_message_element(packet, CAPWAP_ELEMENT_80211_WTPRADIOINFORMATION)) {
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return 0;
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}
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}
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break;
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}
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case CAPWAP_DISCOVERY_RESPONSE: {
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if (capwap_get_message_element(packet, CAPWAP_ELEMENT_ACDESCRIPTION) &&
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capwap_get_message_element(packet, CAPWAP_ELEMENT_ACNAME) &&
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(capwap_get_message_element(packet, CAPWAP_ELEMENT_CONTROLIPV4) || capwap_get_message_element(packet, CAPWAP_ELEMENT_CONTROLIPV6))) {
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if (binding == CAPWAP_WIRELESS_BINDING_IEEE80211) {
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if (capwap_get_message_element(packet, CAPWAP_ELEMENT_80211_WTPRADIOINFORMATION)) {
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return 0;
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}
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} else {
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return 0;
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}
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}
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/* Check if packet contains Result Code with Error Message */
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resultcode = (struct capwap_resultcode_element*)capwap_get_message_element_data(packet, CAPWAP_ELEMENT_RESULTCODE);
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if (resultcode && !CAPWAP_RESULTCODE_OK(resultcode->code)) {
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} else {
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return 0;
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}
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break;
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}
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case CAPWAP_JOIN_REQUEST: {
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if (capwap_get_message_element(packet, CAPWAP_ELEMENT_LOCATION) &&
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capwap_get_message_element(packet, CAPWAP_ELEMENT_WTPBOARDDATA) &&
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capwap_get_message_element(packet, CAPWAP_ELEMENT_WTPDESCRIPTOR) &&
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capwap_get_message_element(packet, CAPWAP_ELEMENT_WTPNAME) &&
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capwap_get_message_element(packet, CAPWAP_ELEMENT_SESSIONID) &&
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capwap_get_message_element(packet, CAPWAP_ELEMENT_WTPFRAMETUNNELMODE) &&
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capwap_get_message_element(packet, CAPWAP_ELEMENT_WTPMACTYPE) &&
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capwap_get_message_element(packet, CAPWAP_ELEMENT_ECNSUPPORT) &&
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(capwap_get_message_element(packet, CAPWAP_ELEMENT_LOCALIPV4) || capwap_get_message_element(packet, CAPWAP_ELEMENT_LOCALIPV6))) {
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if (binding == CAPWAP_WIRELESS_BINDING_IEEE80211) {
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if (capwap_get_message_element(packet, CAPWAP_ELEMENT_80211_WTPRADIOINFORMATION)) {
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return 0;
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}
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} else {
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return 0;
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}
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}
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break;
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}
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case CAPWAP_JOIN_RESPONSE: {
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if (capwap_get_message_element(packet, CAPWAP_ELEMENT_RESULTCODE) &&
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capwap_get_message_element(packet, CAPWAP_ELEMENT_ACDESCRIPTION) &&
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capwap_get_message_element(packet, CAPWAP_ELEMENT_ACNAME) &&
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capwap_get_message_element(packet, CAPWAP_ELEMENT_ECNSUPPORT) &&
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(capwap_get_message_element(packet, CAPWAP_ELEMENT_CONTROLIPV4) || capwap_get_message_element(packet, CAPWAP_ELEMENT_CONTROLIPV6)) &&
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(capwap_get_message_element(packet, CAPWAP_ELEMENT_LOCALIPV4) || capwap_get_message_element(packet, CAPWAP_ELEMENT_LOCALIPV6))) {
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if (binding == CAPWAP_WIRELESS_BINDING_IEEE80211) {
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if (capwap_get_message_element(packet, CAPWAP_ELEMENT_80211_WTPRADIOINFORMATION)) {
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return 0;
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}
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} else {
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return 0;
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}
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}
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/* Check if packet contains Result Code with Error Message */
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resultcode = (struct capwap_resultcode_element*)capwap_get_message_element_data(packet, CAPWAP_ELEMENT_RESULTCODE);
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if (resultcode && !CAPWAP_RESULTCODE_OK(resultcode->code)) {
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return 0;
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}
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break;
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}
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case CAPWAP_CONFIGURATION_STATUS_REQUEST: {
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if (capwap_get_message_element(packet, CAPWAP_ELEMENT_ACNAME) &&
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capwap_get_message_element(packet, CAPWAP_ELEMENT_RADIOADMSTATE) &&
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capwap_get_message_element(packet, CAPWAP_ELEMENT_STATISTICSTIMER) &&
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capwap_get_message_element(packet, CAPWAP_ELEMENT_WTPREBOOTSTAT)) {
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if (binding == CAPWAP_WIRELESS_BINDING_IEEE80211) {
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if (capwap_get_message_element(packet, CAPWAP_ELEMENT_80211_WTPRADIOINFORMATION)) {
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return 0;
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}
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} else {
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return 0;
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}
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||||
}
|
||||
|
||||
break;
|
||||
}
|
||||
|
||||
case CAPWAP_CONFIGURATION_STATUS_RESPONSE: {
|
||||
if (capwap_get_message_element(packet, CAPWAP_ELEMENT_TIMERS) &&
|
||||
capwap_get_message_element(packet, CAPWAP_ELEMENT_DECRYPTERRORREPORTPERIOD) &&
|
||||
capwap_get_message_element(packet, CAPWAP_ELEMENT_IDLETIMEOUT) &&
|
||||
capwap_get_message_element(packet, CAPWAP_ELEMENT_WTPFALLBACK) &&
|
||||
(capwap_get_message_element(packet, CAPWAP_ELEMENT_ACIPV4LIST) || capwap_get_message_element(packet, CAPWAP_ELEMENT_ACIPV6LIST))) {
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
/* Check if packet contains Result Code with Error Message */
|
||||
resultcode = (struct capwap_resultcode_element*)capwap_get_message_element_data(packet, CAPWAP_ELEMENT_RESULTCODE);
|
||||
if (resultcode && !CAPWAP_RESULTCODE_OK(resultcode->code)) {
|
||||
return 0;
|
||||
}
|
||||
|
||||
break;
|
||||
}
|
||||
|
||||
case CAPWAP_CONFIGURATION_UPDATE_REQUEST: {
|
||||
if (capwap_get_message_element(packet, CAPWAP_ELEMENT_ACNAMEPRIORITY) ||
|
||||
capwap_get_message_element(packet, CAPWAP_ELEMENT_ACTIMESTAMP) ||
|
||||
capwap_get_message_element(packet, CAPWAP_ELEMENT_ADDMACACL) ||
|
||||
capwap_get_message_element(packet, CAPWAP_ELEMENT_TIMERS) ||
|
||||
capwap_get_message_element(packet, CAPWAP_ELEMENT_DECRYPTERRORREPORTPERIOD) ||
|
||||
capwap_get_message_element(packet, CAPWAP_ELEMENT_DELETEMACACL) ||
|
||||
capwap_get_message_element(packet, CAPWAP_ELEMENT_IDLETIMEOUT) ||
|
||||
capwap_get_message_element(packet, CAPWAP_ELEMENT_LOCATION) ||
|
||||
capwap_get_message_element(packet, CAPWAP_ELEMENT_RADIOADMSTATE) ||
|
||||
capwap_get_message_element(packet, CAPWAP_ELEMENT_STATISTICSTIMER) ||
|
||||
capwap_get_message_element(packet, CAPWAP_ELEMENT_WTPFALLBACK) ||
|
||||
capwap_get_message_element(packet, CAPWAP_ELEMENT_WTPNAME) ||
|
||||
capwap_get_message_element(packet, CAPWAP_ELEMENT_WTPSTATICIPADDRESS) ||
|
||||
capwap_get_message_element(packet, CAPWAP_ELEMENT_IMAGEIDENTIFIER) ||
|
||||
capwap_get_message_element(packet, CAPWAP_ELEMENT_VENDORPAYLOAD)) {
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
break;
|
||||
}
|
||||
|
||||
case CAPWAP_CONFIGURATION_UPDATE_RESPONSE: {
|
||||
return 0;
|
||||
}
|
||||
|
||||
case CAPWAP_WTP_EVENT_REQUEST: {
|
||||
if (capwap_get_message_element(packet, CAPWAP_ELEMENT_DECRYPTERRORREPORTPERIOD) ||
|
||||
capwap_get_message_element(packet, CAPWAP_ELEMENT_DUPLICATEIPV4) ||
|
||||
capwap_get_message_element(packet, CAPWAP_ELEMENT_DUPLICATEIPV6) ||
|
||||
capwap_get_message_element(packet, CAPWAP_ELEMENT_WTPRADIOSTAT) ||
|
||||
capwap_get_message_element(packet, CAPWAP_ELEMENT_WTPREBOOTSTAT) ||
|
||||
capwap_get_message_element(packet, CAPWAP_ELEMENT_DELETESTATION) ||
|
||||
capwap_get_message_element(packet, CAPWAP_ELEMENT_VENDORPAYLOAD)) {
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
break;
|
||||
}
|
||||
|
||||
case CAPWAP_WTP_EVENT_RESPONSE: {
|
||||
return 0;
|
||||
}
|
||||
|
||||
case CAPWAP_CHANGE_STATE_EVENT_REQUEST: {
|
||||
if (capwap_get_message_element(packet, CAPWAP_ELEMENT_RADIOOPRSTATE) &&
|
||||
capwap_get_message_element(packet, CAPWAP_ELEMENT_RESULTCODE)) {
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
break;
|
||||
}
|
||||
|
||||
case CAPWAP_CHANGE_STATE_EVENT_RESPONSE: {
|
||||
return 0;
|
||||
}
|
||||
|
||||
case CAPWAP_ECHO_REQUEST: {
|
||||
return 0;
|
||||
}
|
||||
|
||||
case CAPWAP_ECHO_RESPONSE: {
|
||||
return 0;
|
||||
}
|
||||
|
||||
case CAPWAP_IMAGE_DATA_REQUEST: {
|
||||
return 0;
|
||||
}
|
||||
|
||||
case CAPWAP_IMAGE_DATA_RESPONSE: {
|
||||
if (capwap_get_message_element(packet, CAPWAP_ELEMENT_RESULTCODE)) {
|
||||
return 0;
|
||||
}
|
||||
|
||||
break;
|
||||
}
|
||||
|
||||
case CAPWAP_RESET_REQUEST: {
|
||||
if (capwap_get_message_element(packet, CAPWAP_ELEMENT_IMAGEIDENTIFIER)) {
|
||||
return 0;
|
||||
}
|
||||
|
||||
break;
|
||||
}
|
||||
|
||||
case CAPWAP_RESET_RESPONSE: {
|
||||
return 0;
|
||||
}
|
||||
|
||||
case CAPWAP_PRIMARY_DISCOVERY_REQUEST: {
|
||||
if (capwap_get_message_element(packet, CAPWAP_ELEMENT_DISCOVERYTYPE) &&
|
||||
capwap_get_message_element(packet, CAPWAP_ELEMENT_WTPBOARDDATA) &&
|
||||
capwap_get_message_element(packet, CAPWAP_ELEMENT_WTPDESCRIPTOR) &&
|
||||
capwap_get_message_element(packet, CAPWAP_ELEMENT_WTPFRAMETUNNELMODE) &&
|
||||
capwap_get_message_element(packet, CAPWAP_ELEMENT_WTPMACTYPE)) {
|
||||
|
||||
if (binding == CAPWAP_WIRELESS_BINDING_IEEE80211) {
|
||||
if (capwap_get_message_element(packet, CAPWAP_ELEMENT_80211_WTPRADIOINFORMATION)) {
|
||||
return 0;
|
||||
}
|
||||
} else {
|
||||
return 0;
|
||||
}
|
||||
}
|
||||
|
||||
break;
|
||||
}
|
||||
|
||||
case CAPWAP_PRIMARY_DISCOVERY_RESPONSE: {
|
||||
if (capwap_get_message_element(packet, CAPWAP_ELEMENT_ACDESCRIPTION) &&
|
||||
capwap_get_message_element(packet, CAPWAP_ELEMENT_ACNAME) &&
|
||||
(capwap_get_message_element(packet, CAPWAP_ELEMENT_CONTROLIPV4) || capwap_get_message_element(packet, CAPWAP_ELEMENT_CONTROLIPV6))) {
|
||||
|
||||
if (binding == CAPWAP_WIRELESS_BINDING_IEEE80211) {
|
||||
if (capwap_get_message_element(packet, CAPWAP_ELEMENT_80211_WTPRADIOINFORMATION)) {
|
||||
return 0;
|
||||
}
|
||||
} else {
|
||||
return 0;
|
||||
}
|
||||
}
|
||||
|
||||
/* Check if packet contains Result Code with Error Message */
|
||||
resultcode = (struct capwap_resultcode_element*)capwap_get_message_element_data(packet, CAPWAP_ELEMENT_RESULTCODE);
|
||||
if (resultcode && !CAPWAP_RESULTCODE_OK(resultcode->code)) {
|
||||
return 0;
|
||||
}
|
||||
|
||||
break;
|
||||
}
|
||||
|
||||
case CAPWAP_DATA_TRANSFER_REQUEST: {
|
||||
/* TODO */
|
||||
break;
|
||||
}
|
||||
|
||||
case CAPWAP_DATA_TRANSFER_RESPONSE: {
|
||||
if (capwap_get_message_element(packet, CAPWAP_ELEMENT_RESULTCODE)) {
|
||||
return 0;
|
||||
}
|
||||
|
||||
break;
|
||||
}
|
||||
|
||||
case CAPWAP_CLEAR_CONFIGURATION_REQUEST: {
|
||||
return 0;
|
||||
}
|
||||
|
||||
case CAPWAP_CLEAR_CONFIGURATION_RESPONSE: {
|
||||
if (capwap_get_message_element(packet, CAPWAP_ELEMENT_RESULTCODE)) {
|
||||
return 0;
|
||||
}
|
||||
|
||||
break;
|
||||
}
|
||||
|
||||
case CAPWAP_STATION_CONFIGURATION_REQUEST: {
|
||||
if (capwap_get_message_element(packet, CAPWAP_ELEMENT_ADDSTATION)) {
|
||||
if (binding == CAPWAP_WIRELESS_BINDING_IEEE80211) {
|
||||
if (capwap_get_message_element(packet, CAPWAP_ELEMENT_80211_STATION)) {
|
||||
return 0;
|
||||
}
|
||||
} else {
|
||||
return 0;
|
||||
}
|
||||
} else if (capwap_get_message_element(packet, CAPWAP_ELEMENT_DELETESTATION)) {
|
||||
return 0;
|
||||
}
|
||||
|
||||
break;
|
||||
}
|
||||
|
||||
case CAPWAP_STATION_CONFIGURATION_RESPONSE: {
|
||||
if (capwap_get_message_element(packet, CAPWAP_ELEMENT_RESULTCODE)) {
|
||||
return 0;
|
||||
}
|
||||
|
||||
break;
|
||||
}
|
||||
|
||||
case CAPWAP_IEEE80211_WLAN_CONFIGURATION_REQUEST: {
|
||||
if (capwap_get_message_element(packet, CAPWAP_ELEMENT_80211_ADD_WLAN) ||
|
||||
capwap_get_message_element(packet, CAPWAP_ELEMENT_80211_UPDATE_WLAN) ||
|
||||
capwap_get_message_element(packet, CAPWAP_ELEMENT_80211_DELETE_WLAN)) {
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
break;
|
||||
}
|
||||
|
||||
case CAPWAP_IEEE80211_WLAN_CONFIGURATION_RESPONSE: {
|
||||
if (capwap_get_message_element(packet, CAPWAP_ELEMENT_RESULTCODE)) {
|
||||
return 0;
|
||||
}
|
||||
|
||||
break;
|
||||
}
|
||||
break;
|
||||
}
|
||||
} else {
|
||||
/* Keep alive data message require session id */
|
||||
if (IS_FLAG_K_HEADER(packet->rxmngpacket->header)) {
|
||||
if (capwap_get_message_element(packet, CAPWAP_ELEMENT_SESSIONID)) {
|
||||
|
||||
case CAPWAP_DISCOVERY_RESPONSE: {
|
||||
if (capwap_get_message_element(packet, CAPWAP_ELEMENT_ACDESCRIPTION) &&
|
||||
capwap_get_message_element(packet, CAPWAP_ELEMENT_ACNAME) &&
|
||||
(capwap_get_message_element(packet, CAPWAP_ELEMENT_CONTROLIPV4) || capwap_get_message_element(packet, CAPWAP_ELEMENT_CONTROLIPV6))) {
|
||||
|
||||
if (binding == CAPWAP_WIRELESS_BINDING_IEEE80211) {
|
||||
if (capwap_get_message_element(packet, CAPWAP_ELEMENT_80211_WTPRADIOINFORMATION)) {
|
||||
return 0;
|
||||
}
|
||||
} else {
|
||||
return 0;
|
||||
}
|
||||
}
|
||||
|
||||
/* Check if packet contains Result Code with Error Message */
|
||||
resultcode = (struct capwap_resultcode_element*)capwap_get_message_element_data(packet, CAPWAP_ELEMENT_RESULTCODE);
|
||||
if (resultcode && !CAPWAP_RESULTCODE_OK(resultcode->code)) {
|
||||
return 0;
|
||||
}
|
||||
} else {
|
||||
/* Validate Radio ID */
|
||||
uint8_t radioid = GET_RID_HEADER(packet->rxmngpacket->header);
|
||||
if (IS_VALID_RADIOID(radioid)) {
|
||||
|
||||
break;
|
||||
}
|
||||
|
||||
case CAPWAP_JOIN_REQUEST: {
|
||||
if (capwap_get_message_element(packet, CAPWAP_ELEMENT_LOCATION) &&
|
||||
capwap_get_message_element(packet, CAPWAP_ELEMENT_WTPBOARDDATA) &&
|
||||
capwap_get_message_element(packet, CAPWAP_ELEMENT_WTPDESCRIPTOR) &&
|
||||
capwap_get_message_element(packet, CAPWAP_ELEMENT_WTPNAME) &&
|
||||
capwap_get_message_element(packet, CAPWAP_ELEMENT_SESSIONID) &&
|
||||
capwap_get_message_element(packet, CAPWAP_ELEMENT_WTPFRAMETUNNELMODE) &&
|
||||
capwap_get_message_element(packet, CAPWAP_ELEMENT_WTPMACTYPE) &&
|
||||
capwap_get_message_element(packet, CAPWAP_ELEMENT_ECNSUPPORT) &&
|
||||
(capwap_get_message_element(packet, CAPWAP_ELEMENT_LOCALIPV4) || capwap_get_message_element(packet, CAPWAP_ELEMENT_LOCALIPV6))) {
|
||||
|
||||
if (binding == CAPWAP_WIRELESS_BINDING_IEEE80211) {
|
||||
if (capwap_get_message_element(packet, CAPWAP_ELEMENT_80211_WTPRADIOINFORMATION)) {
|
||||
return 0;
|
||||
}
|
||||
} else {
|
||||
return 0;
|
||||
}
|
||||
}
|
||||
|
||||
break;
|
||||
}
|
||||
|
||||
case CAPWAP_JOIN_RESPONSE: {
|
||||
if (capwap_get_message_element(packet, CAPWAP_ELEMENT_RESULTCODE) &&
|
||||
capwap_get_message_element(packet, CAPWAP_ELEMENT_ACDESCRIPTION) &&
|
||||
capwap_get_message_element(packet, CAPWAP_ELEMENT_ACNAME) &&
|
||||
capwap_get_message_element(packet, CAPWAP_ELEMENT_ECNSUPPORT) &&
|
||||
(capwap_get_message_element(packet, CAPWAP_ELEMENT_CONTROLIPV4) || capwap_get_message_element(packet, CAPWAP_ELEMENT_CONTROLIPV6)) &&
|
||||
(capwap_get_message_element(packet, CAPWAP_ELEMENT_LOCALIPV4) || capwap_get_message_element(packet, CAPWAP_ELEMENT_LOCALIPV6))) {
|
||||
|
||||
if (binding == CAPWAP_WIRELESS_BINDING_IEEE80211) {
|
||||
if (capwap_get_message_element(packet, CAPWAP_ELEMENT_80211_WTPRADIOINFORMATION)) {
|
||||
return 0;
|
||||
}
|
||||
} else {
|
||||
return 0;
|
||||
}
|
||||
}
|
||||
|
||||
/* Check if packet contains Result Code with Error Message */
|
||||
resultcode = (struct capwap_resultcode_element*)capwap_get_message_element_data(packet, CAPWAP_ELEMENT_RESULTCODE);
|
||||
if (resultcode && !CAPWAP_RESULTCODE_OK(resultcode->code)) {
|
||||
return 0;
|
||||
}
|
||||
|
||||
break;
|
||||
}
|
||||
|
||||
case CAPWAP_CONFIGURATION_STATUS_REQUEST: {
|
||||
if (capwap_get_message_element(packet, CAPWAP_ELEMENT_ACNAME) &&
|
||||
capwap_get_message_element(packet, CAPWAP_ELEMENT_RADIOADMSTATE) &&
|
||||
capwap_get_message_element(packet, CAPWAP_ELEMENT_STATISTICSTIMER) &&
|
||||
capwap_get_message_element(packet, CAPWAP_ELEMENT_WTPREBOOTSTAT)) {
|
||||
|
||||
if (binding == CAPWAP_WIRELESS_BINDING_IEEE80211) {
|
||||
if (capwap_get_message_element(packet, CAPWAP_ELEMENT_80211_WTPRADIOINFORMATION)) {
|
||||
return 0;
|
||||
}
|
||||
} else {
|
||||
return 0;
|
||||
}
|
||||
}
|
||||
|
||||
break;
|
||||
}
|
||||
|
||||
case CAPWAP_CONFIGURATION_STATUS_RESPONSE: {
|
||||
if (capwap_get_message_element(packet, CAPWAP_ELEMENT_TIMERS) &&
|
||||
capwap_get_message_element(packet, CAPWAP_ELEMENT_DECRYPTERRORREPORTPERIOD) &&
|
||||
capwap_get_message_element(packet, CAPWAP_ELEMENT_IDLETIMEOUT) &&
|
||||
capwap_get_message_element(packet, CAPWAP_ELEMENT_WTPFALLBACK) &&
|
||||
(capwap_get_message_element(packet, CAPWAP_ELEMENT_ACIPV4LIST) || capwap_get_message_element(packet, CAPWAP_ELEMENT_ACIPV6LIST))) {
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
/* Check if packet contains Result Code with Error Message */
|
||||
resultcode = (struct capwap_resultcode_element*)capwap_get_message_element_data(packet, CAPWAP_ELEMENT_RESULTCODE);
|
||||
if (resultcode && !CAPWAP_RESULTCODE_OK(resultcode->code)) {
|
||||
return 0;
|
||||
}
|
||||
|
||||
break;
|
||||
}
|
||||
|
||||
case CAPWAP_CONFIGURATION_UPDATE_REQUEST: {
|
||||
if (capwap_get_message_element(packet, CAPWAP_ELEMENT_ACNAMEPRIORITY) ||
|
||||
capwap_get_message_element(packet, CAPWAP_ELEMENT_ACTIMESTAMP) ||
|
||||
capwap_get_message_element(packet, CAPWAP_ELEMENT_ADDMACACL) ||
|
||||
capwap_get_message_element(packet, CAPWAP_ELEMENT_TIMERS) ||
|
||||
capwap_get_message_element(packet, CAPWAP_ELEMENT_DECRYPTERRORREPORTPERIOD) ||
|
||||
capwap_get_message_element(packet, CAPWAP_ELEMENT_DELETEMACACL) ||
|
||||
capwap_get_message_element(packet, CAPWAP_ELEMENT_IDLETIMEOUT) ||
|
||||
capwap_get_message_element(packet, CAPWAP_ELEMENT_LOCATION) ||
|
||||
capwap_get_message_element(packet, CAPWAP_ELEMENT_RADIOADMSTATE) ||
|
||||
capwap_get_message_element(packet, CAPWAP_ELEMENT_STATISTICSTIMER) ||
|
||||
capwap_get_message_element(packet, CAPWAP_ELEMENT_WTPFALLBACK) ||
|
||||
capwap_get_message_element(packet, CAPWAP_ELEMENT_WTPNAME) ||
|
||||
capwap_get_message_element(packet, CAPWAP_ELEMENT_WTPSTATICIPADDRESS) ||
|
||||
capwap_get_message_element(packet, CAPWAP_ELEMENT_IMAGEIDENTIFIER) ||
|
||||
capwap_get_message_element(packet, CAPWAP_ELEMENT_VENDORPAYLOAD)) {
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
break;
|
||||
}
|
||||
|
||||
case CAPWAP_CONFIGURATION_UPDATE_RESPONSE: {
|
||||
return 0;
|
||||
}
|
||||
|
||||
case CAPWAP_WTP_EVENT_REQUEST: {
|
||||
if (capwap_get_message_element(packet, CAPWAP_ELEMENT_DECRYPTERRORREPORTPERIOD) ||
|
||||
capwap_get_message_element(packet, CAPWAP_ELEMENT_DUPLICATEIPV4) ||
|
||||
capwap_get_message_element(packet, CAPWAP_ELEMENT_DUPLICATEIPV6) ||
|
||||
capwap_get_message_element(packet, CAPWAP_ELEMENT_WTPRADIOSTAT) ||
|
||||
capwap_get_message_element(packet, CAPWAP_ELEMENT_WTPREBOOTSTAT) ||
|
||||
capwap_get_message_element(packet, CAPWAP_ELEMENT_DELETESTATION) ||
|
||||
capwap_get_message_element(packet, CAPWAP_ELEMENT_VENDORPAYLOAD)) {
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
break;
|
||||
}
|
||||
|
||||
case CAPWAP_WTP_EVENT_RESPONSE: {
|
||||
return 0;
|
||||
}
|
||||
|
||||
case CAPWAP_CHANGE_STATE_EVENT_REQUEST: {
|
||||
if (capwap_get_message_element(packet, CAPWAP_ELEMENT_RADIOOPRSTATE) &&
|
||||
capwap_get_message_element(packet, CAPWAP_ELEMENT_RESULTCODE)) {
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
break;
|
||||
}
|
||||
|
||||
case CAPWAP_CHANGE_STATE_EVENT_RESPONSE: {
|
||||
return 0;
|
||||
}
|
||||
|
||||
case CAPWAP_ECHO_REQUEST: {
|
||||
return 0;
|
||||
}
|
||||
|
||||
case CAPWAP_ECHO_RESPONSE: {
|
||||
return 0;
|
||||
}
|
||||
|
||||
case CAPWAP_IMAGE_DATA_REQUEST: {
|
||||
return 0;
|
||||
}
|
||||
|
||||
case CAPWAP_IMAGE_DATA_RESPONSE: {
|
||||
if (capwap_get_message_element(packet, CAPWAP_ELEMENT_RESULTCODE)) {
|
||||
return 0;
|
||||
}
|
||||
|
||||
break;
|
||||
}
|
||||
|
||||
case CAPWAP_RESET_REQUEST: {
|
||||
if (capwap_get_message_element(packet, CAPWAP_ELEMENT_IMAGEIDENTIFIER)) {
|
||||
return 0;
|
||||
}
|
||||
|
||||
break;
|
||||
}
|
||||
|
||||
case CAPWAP_RESET_RESPONSE: {
|
||||
return 0;
|
||||
}
|
||||
|
||||
case CAPWAP_PRIMARY_DISCOVERY_REQUEST: {
|
||||
if (capwap_get_message_element(packet, CAPWAP_ELEMENT_DISCOVERYTYPE) &&
|
||||
capwap_get_message_element(packet, CAPWAP_ELEMENT_WTPBOARDDATA) &&
|
||||
capwap_get_message_element(packet, CAPWAP_ELEMENT_WTPDESCRIPTOR) &&
|
||||
capwap_get_message_element(packet, CAPWAP_ELEMENT_WTPFRAMETUNNELMODE) &&
|
||||
capwap_get_message_element(packet, CAPWAP_ELEMENT_WTPMACTYPE)) {
|
||||
|
||||
if (binding == CAPWAP_WIRELESS_BINDING_IEEE80211) {
|
||||
if (capwap_get_message_element(packet, CAPWAP_ELEMENT_80211_WTPRADIOINFORMATION)) {
|
||||
return 0;
|
||||
}
|
||||
} else {
|
||||
return 0;
|
||||
}
|
||||
}
|
||||
|
||||
break;
|
||||
}
|
||||
|
||||
case CAPWAP_PRIMARY_DISCOVERY_RESPONSE: {
|
||||
if (capwap_get_message_element(packet, CAPWAP_ELEMENT_ACDESCRIPTION) &&
|
||||
capwap_get_message_element(packet, CAPWAP_ELEMENT_ACNAME) &&
|
||||
(capwap_get_message_element(packet, CAPWAP_ELEMENT_CONTROLIPV4) || capwap_get_message_element(packet, CAPWAP_ELEMENT_CONTROLIPV6))) {
|
||||
|
||||
if (binding == CAPWAP_WIRELESS_BINDING_IEEE80211) {
|
||||
if (capwap_get_message_element(packet, CAPWAP_ELEMENT_80211_WTPRADIOINFORMATION)) {
|
||||
return 0;
|
||||
}
|
||||
} else {
|
||||
return 0;
|
||||
}
|
||||
}
|
||||
|
||||
/* Check if packet contains Result Code with Error Message */
|
||||
resultcode = (struct capwap_resultcode_element*)capwap_get_message_element_data(packet, CAPWAP_ELEMENT_RESULTCODE);
|
||||
if (resultcode && !CAPWAP_RESULTCODE_OK(resultcode->code)) {
|
||||
return 0;
|
||||
}
|
||||
|
||||
break;
|
||||
}
|
||||
|
||||
case CAPWAP_DATA_TRANSFER_REQUEST: {
|
||||
/* TODO */
|
||||
break;
|
||||
}
|
||||
|
||||
case CAPWAP_DATA_TRANSFER_RESPONSE: {
|
||||
if (capwap_get_message_element(packet, CAPWAP_ELEMENT_RESULTCODE)) {
|
||||
return 0;
|
||||
}
|
||||
|
||||
break;
|
||||
}
|
||||
|
||||
case CAPWAP_CLEAR_CONFIGURATION_REQUEST: {
|
||||
return 0;
|
||||
}
|
||||
|
||||
case CAPWAP_CLEAR_CONFIGURATION_RESPONSE: {
|
||||
if (capwap_get_message_element(packet, CAPWAP_ELEMENT_RESULTCODE)) {
|
||||
return 0;
|
||||
}
|
||||
|
||||
break;
|
||||
}
|
||||
|
||||
case CAPWAP_STATION_CONFIGURATION_REQUEST: {
|
||||
if (capwap_get_message_element(packet, CAPWAP_ELEMENT_ADDSTATION)) {
|
||||
if (binding == CAPWAP_WIRELESS_BINDING_IEEE80211) {
|
||||
if (capwap_get_message_element(packet, CAPWAP_ELEMENT_80211_STATION)) {
|
||||
return 0;
|
||||
}
|
||||
} else {
|
||||
return 0;
|
||||
}
|
||||
} else if (capwap_get_message_element(packet, CAPWAP_ELEMENT_DELETESTATION)) {
|
||||
return 0;
|
||||
}
|
||||
|
||||
break;
|
||||
}
|
||||
|
||||
case CAPWAP_STATION_CONFIGURATION_RESPONSE: {
|
||||
if (capwap_get_message_element(packet, CAPWAP_ELEMENT_RESULTCODE)) {
|
||||
return 0;
|
||||
}
|
||||
|
||||
break;
|
||||
}
|
||||
|
||||
case CAPWAP_IEEE80211_WLAN_CONFIGURATION_REQUEST: {
|
||||
if (capwap_get_message_element(packet, CAPWAP_ELEMENT_80211_ADD_WLAN) ||
|
||||
capwap_get_message_element(packet, CAPWAP_ELEMENT_80211_UPDATE_WLAN) ||
|
||||
capwap_get_message_element(packet, CAPWAP_ELEMENT_80211_DELETE_WLAN)) {
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
break;
|
||||
}
|
||||
|
||||
case CAPWAP_IEEE80211_WLAN_CONFIGURATION_RESPONSE: {
|
||||
if (capwap_get_message_element(packet, CAPWAP_ELEMENT_RESULTCODE)) {
|
||||
return 0;
|
||||
}
|
||||
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
@ -761,7 +682,4 @@ void capwap_free_parsed_packet(struct capwap_parsed_packet* packet) {
|
||||
capwap_list_free(packet->messages);
|
||||
packet->messages = NULL;
|
||||
}
|
||||
|
||||
/* */
|
||||
packet->connection = NULL;
|
||||
}
|
||||
|
||||
Reference in New Issue
Block a user