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Improved handling of message elements parsed. Reduces the memory occupied but

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it introduces a small overhead in retrieving of message elements parsed.
This commit is contained in:
vemax78
2013-06-09 17:41:52 +02:00
parent d9e02ded5a
commit 794a8e72d2
88 changed files with 1323 additions and 1027 deletions
Download Patch File Download Diff File Expand all files Collapse all files

647
src/common/capwap_element.c
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@ -3,35 +3,42 @@
#include "capwap_protocol.h"
#include "capwap_array.h"
/* Helper create parsed message element */
#define PARSING_MESSAGE_ELEMENT(data) \
if (data) { return 1; } \
data = read_ops->parsing_message_element((capwap_message_elements_handle)rxmngpacket, &rxmngpacket->read_ops); \
if (!data) { return 1; }
#define CAPWAP_MESSAGE_ELEMENT_SINGLE 0
#define CAPWAP_MESSAGE_ELEMENT_ARRAY 1
#define ARRAY_PARSING_MESSAGE_ELEMENT(data, type) \
type msgelement; \
if (!data) { data = capwap_array_create(sizeof(type), 0, 0); } \
msgelement = read_ops->parsing_message_element((capwap_message_elements_handle)rxmngpacket, &rxmngpacket->read_ops); \
if (!msgelement) { return 1; } \
memcpy(capwap_array_get_item_pointer(data, data->count), &msgelement, sizeof(type));
/* Helper free parsed message element */
#define FREE_PARSED_MESSAGE_ELEMENT(type, data) \
if (data) { \
capwap_get_message_element_ops(type)->free_parsed_message_element(data); \
data = NULL; \
/* */
static int capwap_get_message_element_category(uint16_t type) {
switch (type) {
case CAPWAP_ELEMENT_ACNAMEPRIORITY:
case CAPWAP_ELEMENT_CONTROLIPV4:
case CAPWAP_ELEMENT_CONTROLIPV6:
case CAPWAP_ELEMENT_DECRYPTERRORREPORTPERIOD:
case CAPWAP_ELEMENT_RADIOADMSTATE:
case CAPWAP_ELEMENT_RADIOOPRSTATE:
case CAPWAP_ELEMENT_RETURNEDMESSAGE:
case CAPWAP_ELEMENT_80211_ANTENNA:
case CAPWAP_ELEMENT_80211_DIRECTSEQUENCECONTROL:
case CAPWAP_ELEMENT_80211_MACOPERATION:
case CAPWAP_ELEMENT_80211_MIC_COUNTERMEASURES:
case CAPWAP_ELEMENT_80211_MULTIDOMAINCAPABILITY:
case CAPWAP_ELEMENT_80211_OFDMCONTROL:
case CAPWAP_ELEMENT_80211_RATESET:
case CAPWAP_ELEMENT_80211_STATION:
case CAPWAP_ELEMENT_80211_STATION_QOS_PROFILE:
case CAPWAP_ELEMENT_80211_STATION_SESSION_KEY_PROFILE:
case CAPWAP_ELEMENT_80211_STATISTICS:
case CAPWAP_ELEMENT_80211_SUPPORTEDRATES:
case CAPWAP_ELEMENT_80211_TXPOWER:
case CAPWAP_ELEMENT_80211_TXPOWERLEVEL:
case CAPWAP_ELEMENT_80211_WTP_QOS:
case CAPWAP_ELEMENT_80211_WTP_RADIO_CONF:
case CAPWAP_ELEMENT_80211_WTPRADIOINFORMATION: {
return CAPWAP_MESSAGE_ELEMENT_ARRAY;
}
}
#define FREE_ARRAY_PARSED_MESSAGE_ELEMENT(type, data) \
if (data) { \
unsigned long i; \
for (i = 0; i < data->count; i++) { \
capwap_get_message_element_ops(type)->free_parsed_message_element(*(void**)capwap_array_get_item_pointer(data, i)); \
} \
capwap_array_free(data); \
data = NULL; \
}
return CAPWAP_MESSAGE_ELEMENT_SINGLE;
}
/* */
static struct capwap_message_elements_ops* capwap_message_elements[CAPWAP_MESSAGE_ELEMENTS_COUNT] = {
@ -130,6 +137,46 @@ struct capwap_message_elements_ops* capwap_get_message_element_ops(unsigned shor
return NULL;
}
/* */
struct capwap_list_item* capwap_get_message_element(struct capwap_parsed_packet* packet, uint16_t type) {
struct capwap_list_item* search;
ASSERT(packet != NULL);
ASSERT(packet->messages != NULL);
search = packet->messages->first;
while (search) {
struct capwap_message_element_itemlist* messageelement = (struct capwap_message_element_itemlist*)search->item;
if (messageelement->type == type) {
return search;
}
/* */
search = search->next;
}
return NULL;
}
/* */
void* capwap_get_message_element_data(struct capwap_parsed_packet* packet, uint16_t type) {
struct capwap_list_item* itemlist;
struct capwap_message_element_itemlist* messageelement;
/* Retrieve item list */
itemlist = capwap_get_message_element(packet, type);
if (!itemlist) {
return NULL;
}
/* Get message element info */
messageelement = (struct capwap_message_element_itemlist*)itemlist->item;
ASSERT(messageelement != NULL);
return messageelement->data;
}
/* */
int capwap_parsing_packet(struct capwap_packet_rxmng* rxmngpacket, struct capwap_connection* connection, struct capwap_parsed_packet* packet) {
unsigned short binding;
@ -141,6 +188,7 @@ int capwap_parsing_packet(struct capwap_packet_rxmng* rxmngpacket, struct capwap
memset(packet, 0, sizeof(struct capwap_parsed_packet));
packet->rxmngpacket = rxmngpacket;
packet->connection = connection;
packet->messages = capwap_list_create();
binding = GET_WBID_HEADER(packet->rxmngpacket->header);
@ -152,6 +200,9 @@ int capwap_parsing_packet(struct capwap_packet_rxmng* rxmngpacket, struct capwap
while (bodylength > 0) {
uint16_t type;
uint16_t msglength;
int category;
struct capwap_list_item* itemlist;
struct capwap_message_element_itemlist* messageelement;
struct capwap_message_elements_ops* read_ops;
/* Get type and length */
@ -160,6 +211,7 @@ int capwap_parsing_packet(struct capwap_packet_rxmng* rxmngpacket, struct capwap
/* TODO */
return 1;
}
if (rxmngpacket->read_ops.read_u16((capwap_message_elements_handle)rxmngpacket, &msglength) != sizeof(uint16_t)) {
/* TODO */
return 1;
@ -171,255 +223,73 @@ int capwap_parsing_packet(struct capwap_packet_rxmng* rxmngpacket, struct capwap
return 1;
}
/* */
/* Check binding */
if (IS_80211_MESSAGE_ELEMENTS(type) && (binding != CAPWAP_WIRELESS_BINDING_IEEE80211)) {
/* TODO */
return 1;
}
/* Reader function */
read_ops = capwap_get_message_element_ops(type);
if (!read_ops) {
/* TODO */
return 1;
}
/* Allowed to parsing only the size of message element */
rxmngpacket->readerpacketallowed = msglength;
if (IS_MESSAGE_ELEMENTS(type) && read_ops) {
/* Parsing standard message element */
switch (type) {
case CAPWAP_ELEMENT_ACDESCRIPTION: {
PARSING_MESSAGE_ELEMENT(packet->messageelements.acdescriptor);
break;
}
case CAPWAP_ELEMENT_ACIPV4LIST: {
PARSING_MESSAGE_ELEMENT(packet->messageelements.acipv4list);
break;
}
case CAPWAP_ELEMENT_ACIPV6LIST: {
PARSING_MESSAGE_ELEMENT(packet->messageelements.acipv6list);
break;
}
case CAPWAP_ELEMENT_ACNAME: {
PARSING_MESSAGE_ELEMENT(packet->messageelements.acname);
break;
}
case CAPWAP_ELEMENT_ACNAMEPRIORITY: {
ARRAY_PARSING_MESSAGE_ELEMENT(packet->messageelements.acnamepriority, struct capwap_acnamepriority_element*);
break;
}
case CAPWAP_ELEMENT_CONTROLIPV4: {
ARRAY_PARSING_MESSAGE_ELEMENT(packet->messageelements.controlipv4, struct capwap_controlipv4_element*);
break;
}
case CAPWAP_ELEMENT_CONTROLIPV6: {
ARRAY_PARSING_MESSAGE_ELEMENT(packet->messageelements.controlipv6, struct capwap_controlipv6_element*);
break;
}
case CAPWAP_ELEMENT_TIMERS: {
PARSING_MESSAGE_ELEMENT(packet->messageelements.timers);
break;
}
case CAPWAP_ELEMENT_DECRYPTERRORREPORTPERIOD: {
ARRAY_PARSING_MESSAGE_ELEMENT(packet->messageelements.decrypterrorreportperiod, struct capwap_decrypterrorreportperiod_element*);
break;
}
case CAPWAP_ELEMENT_DISCOVERYTYPE: {
PARSING_MESSAGE_ELEMENT(packet->messageelements.discoverytype);
break;
}
case CAPWAP_ELEMENT_IDLETIMEOUT: {
PARSING_MESSAGE_ELEMENT(packet->messageelements.idletimeout);
break;
}
case CAPWAP_ELEMENT_IMAGEIDENTIFIER: {
PARSING_MESSAGE_ELEMENT(packet->messageelements.imageidentifier);
break;
}
case CAPWAP_ELEMENT_LOCATION: {
PARSING_MESSAGE_ELEMENT(packet->messageelements.location);
break;
}
case CAPWAP_ELEMENT_MAXIMUMLENGTH: {
PARSING_MESSAGE_ELEMENT(packet->messageelements.maximumlength);
break;
}
case CAPWAP_ELEMENT_LOCALIPV4: {
PARSING_MESSAGE_ELEMENT(packet->messageelements.localipv4);
break;
}
case CAPWAP_ELEMENT_RADIOADMSTATE: {
ARRAY_PARSING_MESSAGE_ELEMENT(packet->messageelements.radioadmstate, struct capwap_radioadmstate_element*);
break;
}
case CAPWAP_ELEMENT_RADIOOPRSTATE: {
ARRAY_PARSING_MESSAGE_ELEMENT(packet->messageelements.radiooprstate, struct capwap_radiooprstate_element*);
break;
}
case CAPWAP_ELEMENT_RESULTCODE: {
PARSING_MESSAGE_ELEMENT(packet->messageelements.resultcode);
break;
}
case CAPWAP_ELEMENT_RETURNEDMESSAGE: {
ARRAY_PARSING_MESSAGE_ELEMENT(packet->messageelements.returnedmessage, struct capwap_returnedmessage_element*);
break;
}
case CAPWAP_ELEMENT_SESSIONID: {
PARSING_MESSAGE_ELEMENT(packet->messageelements.sessionid);
break;
}
case CAPWAP_ELEMENT_STATISTICSTIMER: {
PARSING_MESSAGE_ELEMENT(packet->messageelements.statisticstimer);
break;
}
case CAPWAP_ELEMENT_VENDORPAYLOAD: {
PARSING_MESSAGE_ELEMENT(packet->messageelements.vendorpayload);
break;
}
case CAPWAP_ELEMENT_WTPBOARDDATA: {
PARSING_MESSAGE_ELEMENT(packet->messageelements.wtpboarddata);
break;
}
case CAPWAP_ELEMENT_WTPDESCRIPTOR: {
PARSING_MESSAGE_ELEMENT(packet->messageelements.wtpdescriptor);
break;
}
case CAPWAP_ELEMENT_WTPFALLBACK: {
PARSING_MESSAGE_ELEMENT(packet->messageelements.wtpfallback);
break;
}
case CAPWAP_ELEMENT_WTPFRAMETUNNELMODE: {
PARSING_MESSAGE_ELEMENT(packet->messageelements.wtpframetunnel);
break;
}
case CAPWAP_ELEMENT_WTPMACTYPE: {
PARSING_MESSAGE_ELEMENT(packet->messageelements.wtpmactype);
break;
}
case CAPWAP_ELEMENT_WTPNAME: {
PARSING_MESSAGE_ELEMENT(packet->messageelements.wtpname);
break;
}
case CAPWAP_ELEMENT_WTPREBOOTSTAT: {
PARSING_MESSAGE_ELEMENT(packet->messageelements.wtprebootstat);
break;
}
case CAPWAP_ELEMENT_WTPSTATICIPADDRESS: {
PARSING_MESSAGE_ELEMENT(packet->messageelements.wtpstaticipaddress);
break;
}
case CAPWAP_ELEMENT_LOCALIPV6: {
PARSING_MESSAGE_ELEMENT(packet->messageelements.localipv6);
break;
}
case CAPWAP_ELEMENT_TRANSPORT: {
PARSING_MESSAGE_ELEMENT(packet->messageelements.transport);
break;
}
case CAPWAP_ELEMENT_MTUDISCOVERY: {
PARSING_MESSAGE_ELEMENT(packet->messageelements.mtudiscovery);
break;
}
case CAPWAP_ELEMENT_ECNSUPPORT: {
PARSING_MESSAGE_ELEMENT(packet->messageelements.ecnsupport);
break;
}
default: {
/* TODO */
return 1;
}
}
} else if (IS_80211_MESSAGE_ELEMENTS(type) && read_ops) {
if (binding != CAPWAP_WIRELESS_BINDING_IEEE80211) {
/* TODO */
/* */
itemlist = capwap_get_message_element(packet, type);
category = capwap_get_message_element_category(type);
if (category == CAPWAP_MESSAGE_ELEMENT_SINGLE) {
/* Check for multiple message element */
if (itemlist) {
return 1;
}
/* Parsing ieee80211 message element */
switch (type) {
case CAPWAP_ELEMENT_80211_ANTENNA: {
ARRAY_PARSING_MESSAGE_ELEMENT(packet->messageelements.ieee80211.antenna, struct capwap_80211_antenna_element*);
break;
}
case CAPWAP_ELEMENT_80211_DIRECTSEQUENCECONTROL: {
ARRAY_PARSING_MESSAGE_ELEMENT(packet->messageelements.ieee80211.directsequencecontrol, struct capwap_80211_directsequencecontrol_element*);
break;
}
case CAPWAP_ELEMENT_80211_MACOPERATION: {
ARRAY_PARSING_MESSAGE_ELEMENT(packet->messageelements.ieee80211.macoperation, struct capwap_80211_macoperation_element*);
break;
}
case CAPWAP_ELEMENT_80211_MULTIDOMAINCAPABILITY: {
ARRAY_PARSING_MESSAGE_ELEMENT(packet->messageelements.ieee80211.multidomaincapability, struct capwap_80211_multidomaincapability_element*);
break;
}
case CAPWAP_ELEMENT_80211_OFDMCONTROL: {
ARRAY_PARSING_MESSAGE_ELEMENT(packet->messageelements.ieee80211.ofdmcontrol, struct capwap_80211_ofdmcontrol_element*);
break;
}
case CAPWAP_ELEMENT_80211_RATESET: {
ARRAY_PARSING_MESSAGE_ELEMENT(packet->messageelements.ieee80211.rateset, struct capwap_80211_rateset_element*);
break;
}
case CAPWAP_ELEMENT_80211_SUPPORTEDRATES: {
ARRAY_PARSING_MESSAGE_ELEMENT(packet->messageelements.ieee80211.supportedrates, struct capwap_80211_supportedrates_element*);
break;
}
case CAPWAP_ELEMENT_80211_TXPOWER: {
ARRAY_PARSING_MESSAGE_ELEMENT(packet->messageelements.ieee80211.txpower, struct capwap_80211_txpower_element*);
break;
}
case CAPWAP_ELEMENT_80211_TXPOWERLEVEL: {
ARRAY_PARSING_MESSAGE_ELEMENT(packet->messageelements.ieee80211.txpowerlevel, struct capwap_80211_txpowerlevel_element*);
break;
}
case CAPWAP_ELEMENT_80211_WTPRADIOINFORMATION: {
ARRAY_PARSING_MESSAGE_ELEMENT(packet->messageelements.ieee80211.wtpradioinformation, struct capwap_80211_wtpradioinformation_element*);
break;
}
default: {
/* TODO */
return 1;
}
/* Create new message element */
itemlist = capwap_itemlist_create(sizeof(struct capwap_message_element_itemlist));
messageelement = (struct capwap_message_element_itemlist*)itemlist->item;
messageelement->type = type;
messageelement->category = CAPWAP_MESSAGE_ELEMENT_SINGLE;
messageelement->data = read_ops->parsing_message_element((capwap_message_elements_handle)rxmngpacket, &rxmngpacket->read_ops);
if (!messageelement->data) {
capwap_itemlist_free(itemlist);
return 1;
}
} else {
/* TODO */
return 1;
/* */
capwap_itemlist_insert_after(packet->messages, NULL, itemlist);
} else if (category == CAPWAP_MESSAGE_ELEMENT_ARRAY) {
void* datamsgelement;
struct capwap_array* arraymessageelement;
if (itemlist) {
messageelement = (struct capwap_message_element_itemlist*)itemlist->item;
arraymessageelement = (struct capwap_array*)messageelement->data;
} else {
arraymessageelement = capwap_array_create(sizeof(void*), 0, 0);
/* */
itemlist = capwap_itemlist_create(sizeof(struct capwap_message_element_itemlist));
messageelement = (struct capwap_message_element_itemlist*)itemlist->item;
messageelement->type = type;
messageelement->category = CAPWAP_MESSAGE_ELEMENT_ARRAY;
messageelement->data = (void*)arraymessageelement;
/* */
capwap_itemlist_insert_after(packet->messages, NULL, itemlist);
}
/* Get message element */
datamsgelement = read_ops->parsing_message_element((capwap_message_elements_handle)rxmngpacket, &rxmngpacket->read_ops);
if (!datamsgelement) {
return 1;
}
/* */
memcpy(capwap_array_get_item_pointer(arraymessageelement, arraymessageelement->count), &datamsgelement, sizeof(void*));
}
/* Check if read all data of message element */
@ -434,6 +304,8 @@ int capwap_parsing_packet(struct capwap_packet_rxmng* rxmngpacket, struct capwap
} else if (IS_FLAG_K_HEADER(rxmngpacket->header)) {
uint16_t type;
uint16_t msglength;
struct capwap_list_item* itemlist;
struct capwap_message_element_itemlist* messageelement;
struct capwap_message_elements_ops* read_ops;
unsigned short bodylength = rxmngpacket->datamsg.length - CAPWAP_DATA_MESSAGE_KEEPALIVE_MIN_LENGTH;
@ -457,11 +329,18 @@ int capwap_parsing_packet(struct capwap_packet_rxmng* rxmngpacket, struct capwap
/* Retrieve session id */
read_ops = capwap_get_message_element_ops(CAPWAP_ELEMENT_SESSIONID);
packet->messageelements.sessionid = read_ops->parsing_message_element((capwap_message_elements_handle)rxmngpacket, &rxmngpacket->read_ops);
if (!packet->messageelements.sessionid) {
/* TODO */
itemlist = capwap_itemlist_create(sizeof(struct capwap_message_element_itemlist));
messageelement = (struct capwap_message_element_itemlist*)itemlist->item;
messageelement->type = CAPWAP_ELEMENT_SESSIONID;
messageelement->category = CAPWAP_MESSAGE_ELEMENT_SINGLE;
messageelement->data = read_ops->parsing_message_element((capwap_message_elements_handle)rxmngpacket, &rxmngpacket->read_ops);
if (!messageelement->data) {
capwap_itemlist_free(itemlist);
return 1;
}
/* */
capwap_itemlist_insert_after(packet->messages, NULL, itemlist);
}
return 0;
@ -479,14 +358,14 @@ int capwap_validate_parsed_packet(struct capwap_parsed_packet* packet, struct ca
if (packet->rxmngpacket->isctrlpacket) {
switch (packet->rxmngpacket->ctrlmsg.type) {
case CAPWAP_DISCOVERY_REQUEST: {
if (packet->messageelements.discoverytype &&
packet->messageelements.wtpboarddata &&
packet->messageelements.wtpdescriptor &&
packet->messageelements.wtpframetunnel &&
packet->messageelements.wtpmactype) {
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 (packet->messageelements.ieee80211.wtpradioinformation) {
if (capwap_get_message_element(packet, CAPWAP_ELEMENT_80211_WTPRADIOINFORMATION)) {
return 0;
}
} else {
@ -498,12 +377,12 @@ int capwap_validate_parsed_packet(struct capwap_parsed_packet* packet, struct ca
}
case CAPWAP_DISCOVERY_RESPONSE: {
if (packet->messageelements.acdescriptor &&
packet->messageelements.acname &&
(packet->messageelements.controlipv4 || packet->messageelements.controlipv6)) {
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 (packet->messageelements.ieee80211.wtpradioinformation) {
if (capwap_get_message_element(packet, CAPWAP_ELEMENT_80211_WTPRADIOINFORMATION)) {
return 0;
}
} else {
@ -515,18 +394,18 @@ int capwap_validate_parsed_packet(struct capwap_parsed_packet* packet, struct ca
}
case CAPWAP_JOIN_REQUEST: {
if (packet->messageelements.location &&
packet->messageelements.wtpboarddata &&
packet->messageelements.wtpdescriptor &&
packet->messageelements.wtpname &&
packet->messageelements.sessionid &&
packet->messageelements.wtpframetunnel &&
packet->messageelements.wtpmactype &&
packet->messageelements.ecnsupport &&
(packet->messageelements.localipv4 || packet->messageelements.localipv6)) {
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 (packet->messageelements.ieee80211.wtpradioinformation) {
if (capwap_get_message_element(packet, CAPWAP_ELEMENT_80211_WTPRADIOINFORMATION)) {
return 0;
}
} else {
@ -538,15 +417,15 @@ int capwap_validate_parsed_packet(struct capwap_parsed_packet* packet, struct ca
}
case CAPWAP_JOIN_RESPONSE: {
if (packet->messageelements.resultcode &&
packet->messageelements.acdescriptor &&
packet->messageelements.acname &&
packet->messageelements.ecnsupport &&
(packet->messageelements.controlipv4 || packet->messageelements.controlipv6) &&
(packet->messageelements.localipv4 || packet->messageelements.localipv6)) {
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 (packet->messageelements.ieee80211.wtpradioinformation) {
if (capwap_get_message_element(packet, CAPWAP_ELEMENT_80211_WTPRADIOINFORMATION)) {
return 0;
}
} else {
@ -558,13 +437,13 @@ int capwap_validate_parsed_packet(struct capwap_parsed_packet* packet, struct ca
}
case CAPWAP_CONFIGURATION_STATUS_REQUEST: {
if (packet->messageelements.acname &&
packet->messageelements.radioadmstate &&
packet->messageelements.statisticstimer &&
packet->messageelements.wtprebootstat) {
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 (packet->messageelements.ieee80211.wtpradioinformation) {
if (capwap_get_message_element(packet, CAPWAP_ELEMENT_80211_WTPRADIOINFORMATION)) {
return 0;
}
} else {
@ -576,11 +455,11 @@ int capwap_validate_parsed_packet(struct capwap_parsed_packet* packet, struct ca
}
case CAPWAP_CONFIGURATION_STATUS_RESPONSE: {
if (packet->messageelements.timers &&
packet->messageelements.decrypterrorreportperiod &&
packet->messageelements.idletimeout &&
packet->messageelements.wtpfallback &&
(packet->messageelements.acipv4list || packet->messageelements.acipv6list)) {
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;
}
@ -589,21 +468,21 @@ int capwap_validate_parsed_packet(struct capwap_parsed_packet* packet, struct ca
}
case CAPWAP_CONFIGURATION_UPDATE_REQUEST: {
if (packet->messageelements.acnamepriority ||
//packet->messageelements.actimestamp || TODO
//packet->messageelements.addaclmac || TODO
packet->messageelements.timers ||
packet->messageelements.decrypterrorreportperiod ||
//packet->messageelements.delaclmac || TODO
packet->messageelements.idletimeout ||
packet->messageelements.location ||
packet->messageelements.radioadmstate ||
packet->messageelements.statisticstimer ||
packet->messageelements.wtpfallback ||
packet->messageelements.wtpname ||
packet->messageelements.wtpstaticipaddress ||
packet->messageelements.imageidentifier ||
packet->messageelements.vendorpayload) {
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;
}
@ -616,13 +495,13 @@ int capwap_validate_parsed_packet(struct capwap_parsed_packet* packet, struct ca
}
case CAPWAP_WTP_EVENT_REQUEST: {
if (packet->messageelements.decrypterrorreportperiod ||
//packet->messageelements.duplicateipv4 || TODO
//packet->messageelements.duplicateipv6 || TODO
//packet->messageelements.wtpradiostat || TODO
packet->messageelements.wtprebootstat ||
//packet->messageelements.deletestation || TODO
packet->messageelements.vendorpayload) {
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;
}
@ -635,8 +514,8 @@ int capwap_validate_parsed_packet(struct capwap_parsed_packet* packet, struct ca
}
case CAPWAP_CHANGE_STATE_EVENT_REQUEST: {
if (packet->messageelements.radiooprstate &&
packet->messageelements.resultcode) {
if (capwap_get_message_element(packet, CAPWAP_ELEMENT_RADIOOPRSTATE) &&
capwap_get_message_element(packet, CAPWAP_ELEMENT_RESULTCODE)) {
return 0;
}
@ -661,7 +540,7 @@ int capwap_validate_parsed_packet(struct capwap_parsed_packet* packet, struct ca
}
case CAPWAP_IMAGE_DATA_RESPONSE: {
if (packet->messageelements.resultcode) {
if (capwap_get_message_element(packet, CAPWAP_ELEMENT_RESULTCODE)) {
return 0;
}
@ -669,7 +548,7 @@ int capwap_validate_parsed_packet(struct capwap_parsed_packet* packet, struct ca
}
case CAPWAP_RESET_REQUEST: {
if (packet->messageelements.imageidentifier) {
if (capwap_get_message_element(packet, CAPWAP_ELEMENT_IMAGEIDENTIFIER)) {
return 0;
}
@ -681,14 +560,14 @@ int capwap_validate_parsed_packet(struct capwap_parsed_packet* packet, struct ca
}
case CAPWAP_PRIMARY_DISCOVERY_REQUEST: {
if (packet->messageelements.discoverytype &&
packet->messageelements.wtpboarddata &&
packet->messageelements.wtpdescriptor &&
packet->messageelements.wtpframetunnel &&
packet->messageelements.wtpmactype) {
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 (packet->messageelements.ieee80211.wtpradioinformation) {
if (capwap_get_message_element(packet, CAPWAP_ELEMENT_80211_WTPRADIOINFORMATION)) {
return 0;
}
} else {
@ -700,12 +579,12 @@ int capwap_validate_parsed_packet(struct capwap_parsed_packet* packet, struct ca
}
case CAPWAP_PRIMARY_DISCOVERY_RESPONSE: {
if (packet->messageelements.acdescriptor &&
packet->messageelements.acname &&
(packet->messageelements.controlipv4 || packet->messageelements.controlipv6)) {
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 (packet->messageelements.ieee80211.wtpradioinformation) {
if (capwap_get_message_element(packet, CAPWAP_ELEMENT_80211_WTPRADIOINFORMATION)) {
return 0;
}
} else {
@ -722,7 +601,7 @@ int capwap_validate_parsed_packet(struct capwap_parsed_packet* packet, struct ca
}
case CAPWAP_DATA_TRANSFER_RESPONSE: {
if (packet->messageelements.resultcode) {
if (capwap_get_message_element(packet, CAPWAP_ELEMENT_RESULTCODE)) {
return 0;
}
@ -734,7 +613,7 @@ int capwap_validate_parsed_packet(struct capwap_parsed_packet* packet, struct ca
}
case CAPWAP_CLEAR_CONFIGURATION_RESPONSE: {
if (packet->messageelements.resultcode) {
if (capwap_get_message_element(packet, CAPWAP_ELEMENT_RESULTCODE)) {
return 0;
}
@ -747,7 +626,7 @@ int capwap_validate_parsed_packet(struct capwap_parsed_packet* packet, struct ca
}
case CAPWAP_STATION_CONFIGURATION_RESPONSE: {
if (packet->messageelements.resultcode) {
if (capwap_get_message_element(packet, CAPWAP_ELEMENT_RESULTCODE)) {
return 0;
}
@ -756,7 +635,7 @@ int capwap_validate_parsed_packet(struct capwap_parsed_packet* packet, struct ca
}
} else if (IS_FLAG_K_HEADER(packet->rxmngpacket->header)) {
/* Keep alive data message require session id */
if (packet->messageelements.sessionid) {
if (capwap_get_message_element(packet, CAPWAP_ELEMENT_SESSIONID)) {
return 0;
}
}
@ -766,62 +645,42 @@ int capwap_validate_parsed_packet(struct capwap_parsed_packet* packet, struct ca
/* */
void capwap_free_parsed_packet(struct capwap_parsed_packet* packet) {
int i;
struct capwap_list_item* itemlist;
struct capwap_message_element_itemlist* messageelement;
struct capwap_message_elements_ops* msgops;
ASSERT(packet != NULL);
if (packet->rxmngpacket) {
unsigned short binding = GET_WBID_HEADER(packet->rxmngpacket->header);
if (packet->rxmngpacket && packet->messages) {
itemlist = packet->messages->first;
while (itemlist) {
messageelement = (struct capwap_message_element_itemlist*)itemlist->item;
if (messageelement->data) {
msgops = capwap_get_message_element_ops(messageelement->type);
/* */
FREE_PARSED_MESSAGE_ELEMENT(CAPWAP_ELEMENT_ACDESCRIPTION, packet->messageelements.acdescriptor);
FREE_PARSED_MESSAGE_ELEMENT(CAPWAP_ELEMENT_ACIPV4LIST, packet->messageelements.acipv4list);
FREE_PARSED_MESSAGE_ELEMENT(CAPWAP_ELEMENT_ACIPV6LIST, packet->messageelements.acipv6list);
FREE_PARSED_MESSAGE_ELEMENT(CAPWAP_ELEMENT_ACNAME, packet->messageelements.acname);
FREE_ARRAY_PARSED_MESSAGE_ELEMENT(CAPWAP_ELEMENT_ACNAMEPRIORITY, packet->messageelements.acnamepriority);
FREE_ARRAY_PARSED_MESSAGE_ELEMENT(CAPWAP_ELEMENT_CONTROLIPV4, packet->messageelements.controlipv4);
FREE_ARRAY_PARSED_MESSAGE_ELEMENT(CAPWAP_ELEMENT_CONTROLIPV6, packet->messageelements.controlipv6);
FREE_PARSED_MESSAGE_ELEMENT(CAPWAP_ELEMENT_TIMERS, packet->messageelements.timers);
FREE_ARRAY_PARSED_MESSAGE_ELEMENT(CAPWAP_ELEMENT_DECRYPTERRORREPORTPERIOD, packet->messageelements.decrypterrorreportperiod);
FREE_PARSED_MESSAGE_ELEMENT(CAPWAP_ELEMENT_DISCOVERYTYPE, packet->messageelements.discoverytype);
FREE_PARSED_MESSAGE_ELEMENT(CAPWAP_ELEMENT_IDLETIMEOUT, packet->messageelements.idletimeout);
FREE_PARSED_MESSAGE_ELEMENT(CAPWAP_ELEMENT_IMAGEIDENTIFIER, packet->messageelements.imageidentifier);
FREE_PARSED_MESSAGE_ELEMENT(CAPWAP_ELEMENT_LOCATION, packet->messageelements.location);
FREE_PARSED_MESSAGE_ELEMENT(CAPWAP_ELEMENT_MAXIMUMLENGTH, packet->messageelements.maximumlength);
FREE_PARSED_MESSAGE_ELEMENT(CAPWAP_ELEMENT_LOCALIPV4, packet->messageelements.localipv4);
FREE_ARRAY_PARSED_MESSAGE_ELEMENT(CAPWAP_ELEMENT_RADIOADMSTATE, packet->messageelements.radioadmstate);
FREE_ARRAY_PARSED_MESSAGE_ELEMENT(CAPWAP_ELEMENT_RADIOOPRSTATE, packet->messageelements.radiooprstate);
FREE_PARSED_MESSAGE_ELEMENT(CAPWAP_ELEMENT_RESULTCODE, packet->messageelements.resultcode);
FREE_ARRAY_PARSED_MESSAGE_ELEMENT(CAPWAP_ELEMENT_RETURNEDMESSAGE, packet->messageelements.returnedmessage);
FREE_PARSED_MESSAGE_ELEMENT(CAPWAP_ELEMENT_SESSIONID, packet->messageelements.sessionid);
FREE_PARSED_MESSAGE_ELEMENT(CAPWAP_ELEMENT_STATISTICSTIMER, packet->messageelements.statisticstimer);
FREE_PARSED_MESSAGE_ELEMENT(CAPWAP_ELEMENT_VENDORPAYLOAD, packet->messageelements.vendorpayload);
FREE_PARSED_MESSAGE_ELEMENT(CAPWAP_ELEMENT_WTPBOARDDATA, packet->messageelements.wtpboarddata);
FREE_PARSED_MESSAGE_ELEMENT(CAPWAP_ELEMENT_WTPDESCRIPTOR, packet->messageelements.wtpdescriptor);
FREE_PARSED_MESSAGE_ELEMENT(CAPWAP_ELEMENT_WTPFALLBACK, packet->messageelements.wtpfallback);
FREE_PARSED_MESSAGE_ELEMENT(CAPWAP_ELEMENT_WTPFRAMETUNNELMODE, packet->messageelements.wtpframetunnel);
FREE_PARSED_MESSAGE_ELEMENT(CAPWAP_ELEMENT_WTPMACTYPE, packet->messageelements.wtpmactype);
FREE_PARSED_MESSAGE_ELEMENT(CAPWAP_ELEMENT_WTPNAME, packet->messageelements.wtpname);
FREE_PARSED_MESSAGE_ELEMENT(CAPWAP_ELEMENT_WTPREBOOTSTAT, packet->messageelements.wtprebootstat);
FREE_PARSED_MESSAGE_ELEMENT(CAPWAP_ELEMENT_WTPSTATICIPADDRESS, packet->messageelements.wtpstaticipaddress);
FREE_PARSED_MESSAGE_ELEMENT(CAPWAP_ELEMENT_LOCALIPV6, packet->messageelements.localipv6);
FREE_PARSED_MESSAGE_ELEMENT(CAPWAP_ELEMENT_TRANSPORT, packet->messageelements.transport);
FREE_PARSED_MESSAGE_ELEMENT(CAPWAP_ELEMENT_MTUDISCOVERY, packet->messageelements.mtudiscovery);
FREE_PARSED_MESSAGE_ELEMENT(CAPWAP_ELEMENT_ECNSUPPORT, packet->messageelements.ecnsupport);
if (messageelement->category == CAPWAP_MESSAGE_ELEMENT_SINGLE) {
msgops->free_parsed_message_element(messageelement->data);
} else if (messageelement->category == CAPWAP_MESSAGE_ELEMENT_ARRAY) {
struct capwap_array* arraymessageelement = (struct capwap_array*)messageelement->data;
if (binding == CAPWAP_WIRELESS_BINDING_IEEE80211) {
FREE_ARRAY_PARSED_MESSAGE_ELEMENT(CAPWAP_ELEMENT_80211_ANTENNA, packet->messageelements.ieee80211.antenna);
FREE_ARRAY_PARSED_MESSAGE_ELEMENT(CAPWAP_ELEMENT_80211_DIRECTSEQUENCECONTROL, packet->messageelements.ieee80211.directsequencecontrol);
FREE_ARRAY_PARSED_MESSAGE_ELEMENT(CAPWAP_ELEMENT_80211_MACOPERATION, packet->messageelements.ieee80211.macoperation);
FREE_ARRAY_PARSED_MESSAGE_ELEMENT(CAPWAP_ELEMENT_80211_MULTIDOMAINCAPABILITY, packet->messageelements.ieee80211.multidomaincapability);
FREE_ARRAY_PARSED_MESSAGE_ELEMENT(CAPWAP_ELEMENT_80211_OFDMCONTROL, packet->messageelements.ieee80211.ofdmcontrol);
FREE_ARRAY_PARSED_MESSAGE_ELEMENT(CAPWAP_ELEMENT_80211_RATESET, packet->messageelements.ieee80211.rateset);
FREE_ARRAY_PARSED_MESSAGE_ELEMENT(CAPWAP_ELEMENT_80211_SUPPORTEDRATES, packet->messageelements.ieee80211.supportedrates);
FREE_ARRAY_PARSED_MESSAGE_ELEMENT(CAPWAP_ELEMENT_80211_TXPOWER, packet->messageelements.ieee80211.txpower);
FREE_ARRAY_PARSED_MESSAGE_ELEMENT(CAPWAP_ELEMENT_80211_TXPOWERLEVEL, packet->messageelements.ieee80211.txpowerlevel);
FREE_ARRAY_PARSED_MESSAGE_ELEMENT(CAPWAP_ELEMENT_80211_WTPRADIOINFORMATION, packet->messageelements.ieee80211.wtpradioinformation);
for (i = 0; i < arraymessageelement->count; i++) {
msgops->free_parsed_message_element(*(void**)capwap_array_get_item_pointer(arraymessageelement, i));
}
/* */
capwap_array_free(arraymessageelement);
}
}
/* */
itemlist = itemlist->next;
}
/* */
packet->rxmngpacket = NULL;
capwap_list_free(packet->messages);
packet->messages = NULL;
}
/* */