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.

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
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

257
src/ac/ac_dfa_configure.c
View File

@ -2,11 +2,153 @@
#include "capwap_dfa.h"
#include "capwap_array.h"
#include "ac_session.h"
#include <json/json.h>
#include <arpa/inet.h>
/* */
static struct ac_soap_response* ac_dfa_state_configure_parsing_request(struct ac_session_t* session, struct capwap_parsed_packet* packet) {
int i;
const char* jsonmessage;
char* base64confstatus;
struct json_object* jarray;
struct json_object* jsonparam;
struct json_object* jhash;
struct capwap_array* elemarray;
struct capwap_statisticstimer_element* statisticstimer;
struct capwap_wtprebootstat_element* wtprebootstat;
struct capwap_wtpstaticipaddress_element* wtpstaticipaddress;
struct ac_soap_response* response;
/* Create SOAP request with JSON param
{
RadioAdministrativeState: [
{
RadioID: [int],
AdminState: [int]
}
],
StatisticsTimer: {
StatisticsTimer: [int]
},
WTPRebootStatistics: {
RebootCount: [int],
ACInitiatedCount: [int],
LinkFailureCount: [int],
SWFailureCount: [int],
HWFailureCount: [int],
OtherFailureCount: [int],
UnknownFailureCount: [int],
LastFailureType: [int]
},
ACNamePriority: [
{
Priority: [int],
ACName: [string]
}
],
WTPStaticIPAddressInformation: {
IPAddress: [string],
Netmask: [string],
Gateway: [string],
Static: [int]
}
}
*/
/* */
jsonparam = json_object_new_object();
/* RadioAdministrativeState */
jarray = json_object_new_array();
elemarray = (struct capwap_array*)capwap_get_message_element_data(packet, CAPWAP_ELEMENT_RADIOADMSTATE);
for (i = 0; i < elemarray->count; i++) {
json_object* jradioadm;
struct capwap_radioadmstate_element* radioadm = *(struct capwap_radioadmstate_element**)capwap_array_get_item_pointer(elemarray, i);
/* */
jradioadm = json_object_new_object();
json_object_object_add(jradioadm, "RadioID", json_object_new_int((int)radioadm->radioid));
json_object_object_add(jradioadm, "AdminState", json_object_new_int((int)radioadm->state));
json_object_array_add(jarray, jradioadm);
}
json_object_object_add(jsonparam, "RadioAdministrativeState", jarray);
/* StatisticsTimer */
statisticstimer = (struct capwap_statisticstimer_element*)capwap_get_message_element_data(packet, CAPWAP_ELEMENT_STATISTICSTIMER);
jhash = json_object_new_object();
json_object_object_add(jhash, "StatisticsTimer", json_object_new_int((int)statisticstimer->timer));
json_object_object_add(jsonparam, "StatisticsTimer", jhash);
/* WTPRebootStatistics */
wtprebootstat = (struct capwap_wtprebootstat_element*)capwap_get_message_element_data(packet, CAPWAP_ELEMENT_WTPREBOOTSTAT);
jhash = json_object_new_object();
json_object_object_add(jhash, "RebootCount", json_object_new_int((int)wtprebootstat->rebootcount));
json_object_object_add(jhash, "ACInitiatedCount", json_object_new_int((int)wtprebootstat->acinitiatedcount));
json_object_object_add(jhash, "LinkFailureCount", json_object_new_int((int)wtprebootstat->linkfailurecount));
json_object_object_add(jhash, "SWFailureCount", json_object_new_int((int)wtprebootstat->swfailurecount));
json_object_object_add(jhash, "HWFailureCount", json_object_new_int((int)wtprebootstat->hwfailurecount));
json_object_object_add(jhash, "OtherFailureCount", json_object_new_int((int)wtprebootstat->otherfailurecount));
json_object_object_add(jhash, "UnknownFailureCount", json_object_new_int((int)wtprebootstat->unknownfailurecount));
json_object_object_add(jhash, "LastFailureType", json_object_new_int((int)wtprebootstat->lastfailuretype));
json_object_object_add(jsonparam, "WTPRebootStatistics", jhash);
/* ACNamePriority */
elemarray = (struct capwap_array*)capwap_get_message_element_data(packet, CAPWAP_ELEMENT_ACNAMEPRIORITY);
if (elemarray && elemarray->count) {
jarray = json_object_new_array();
for (i = 0; i < elemarray->count; i++) {
json_object* jacname;
struct capwap_acnamepriority_element* acname = *(struct capwap_acnamepriority_element**)capwap_array_get_item_pointer(elemarray, i);
/* */
jacname = json_object_new_object();
json_object_object_add(jacname, "Priority", json_object_new_int((int)acname->priority));
json_object_object_add(jacname, "ACName", json_object_new_string((char*)acname->name));
json_object_array_add(jarray, jacname);
}
json_object_object_add(jsonparam, "ACNamePriority", jarray);
}
/* WTPStaticIPAddressInformation */
wtpstaticipaddress = (struct capwap_wtpstaticipaddress_element*)capwap_get_message_element_data(packet, CAPWAP_ELEMENT_WTPSTATICIPADDRESS);
if (wtpstaticipaddress) {
char ipbuffer[INET_ADDRSTRLEN];
/* */
jhash = json_object_new_object();
json_object_object_add(jhash, "IPAddress", json_object_new_string(inet_ntop(AF_INET, (void*)&wtpstaticipaddress->address, ipbuffer, INET_ADDRSTRLEN)));
json_object_object_add(jhash, "Netmask", json_object_new_string(inet_ntop(AF_INET, (void*)&wtpstaticipaddress->netmask, ipbuffer, INET_ADDRSTRLEN)));
json_object_object_add(jhash, "Gateway", json_object_new_string(inet_ntop(AF_INET, (void*)&wtpstaticipaddress->gateway, ipbuffer, INET_ADDRSTRLEN)));
json_object_object_add(jhash, "Static", json_object_new_int((int)wtpstaticipaddress->staticip));
json_object_object_add(jsonparam, "WTPStaticIPAddressInformation", jhash);
}
/* Get JSON param and convert base64 */
jsonmessage = json_object_to_json_string(jsonparam);
base64confstatus = capwap_alloc(AC_BASE64_ENCODE_LENGTH(strlen(jsonmessage)));
if (!base64confstatus) {
capwap_outofmemory();
}
ac_base64_string_encode(jsonmessage, base64confstatus);
/* Send message */
response = ac_soap_configureStatus(session, session->wtpid, base64confstatus);
/* Free JSON */
json_object_put(jsonparam);
capwap_free(base64confstatus);
return response;
}
/* */
int ac_dfa_state_configure(struct ac_session_t* session, struct capwap_parsed_packet* packet) {
unsigned long i;
unsigned short binding;
struct capwap_array* radioadmstate;
struct capwap_header_data capwapheader;
struct capwap_packet_txmng* txmngpacket;
@ -15,64 +157,71 @@ int ac_dfa_state_configure(struct ac_session_t* session, struct capwap_parsed_pa
ASSERT(session != NULL);
if (packet) {
binding = GET_WBID_HEADER(packet->rxmngpacket->header);
/* TODO: gestione richiesta */
/* Parsing request */
struct ac_soap_response* response = ac_dfa_state_configure_parsing_request(session, packet);
if (response) {
/* Create response */
capwap_header_init(&capwapheader, CAPWAP_RADIOID_NONE, GET_WBID_HEADER(packet->rxmngpacket->header));
txmngpacket = capwap_packet_txmng_create_ctrl_message(&capwapheader, CAPWAP_CONFIGURATION_STATUS_RESPONSE, packet->rxmngpacket->ctrlmsg.seq, session->mtu);
/* Create response */
capwap_header_init(&capwapheader, CAPWAP_RADIOID_NONE, binding);
txmngpacket = capwap_packet_txmng_create_ctrl_message(&capwapheader, CAPWAP_CONFIGURATION_STATUS_RESPONSE, packet->rxmngpacket->ctrlmsg.seq, session->mtu);
/* Add message element */
capwap_packet_txmng_add_message_element(txmngpacket, CAPWAP_ELEMENT_TIMERS, &session->dfa.timers);
/* Add message element */
capwap_packet_txmng_add_message_element(txmngpacket, CAPWAP_ELEMENT_TIMERS, &session->dfa.timers);
radioadmstate = (struct capwap_array*)capwap_get_message_element_data(packet, CAPWAP_ELEMENT_RADIOADMSTATE);
for (i = 0; i < radioadmstate->count; i++) {
struct capwap_decrypterrorreportperiod_element report;
struct capwap_radioadmstate_element* radioadm = *(struct capwap_radioadmstate_element**)capwap_array_get_item_pointer(radioadmstate, i);
radioadmstate = (struct capwap_array*)capwap_get_message_element_data(packet, CAPWAP_ELEMENT_RADIOADMSTATE);
for (i = 0; i < radioadmstate->count; i++) {
struct capwap_decrypterrorreportperiod_element report;
struct capwap_radioadmstate_element* radioadm = *(struct capwap_radioadmstate_element**)capwap_array_get_item_pointer(radioadmstate, i);
report.radioid = radioadm->radioid;
report.interval = session->dfa.decrypterrorreport_interval;
capwap_packet_txmng_add_message_element(txmngpacket, CAPWAP_ELEMENT_DECRYPTERRORREPORTPERIOD, &report);
}
report.radioid = radioadm->radioid;
report.interval = session->dfa.decrypterrorreport_interval;
capwap_packet_txmng_add_message_element(txmngpacket, CAPWAP_ELEMENT_DECRYPTERRORREPORTPERIOD, &report);
capwap_packet_txmng_add_message_element(txmngpacket, CAPWAP_ELEMENT_IDLETIMEOUT, &session->dfa.idletimeout);
capwap_packet_txmng_add_message_element(txmngpacket, CAPWAP_ELEMENT_WTPFALLBACK, &session->dfa.wtpfallback);
if (session->dfa.acipv4list.addresses->count > 0) {
capwap_packet_txmng_add_message_element(txmngpacket, CAPWAP_ELEMENT_ACIPV4LIST, &session->dfa.acipv4list);
}
if (session->dfa.acipv6list.addresses->count > 0) {
capwap_packet_txmng_add_message_element(txmngpacket, CAPWAP_ELEMENT_ACIPV6LIST, &session->dfa.acipv6list);
}
/* CAPWAP_CREATE_RADIOOPRSTATE_ELEMENT */ /* TODO */
/* CAPWAP_CREATE_WTPSTATICIPADDRESS_ELEMENT */ /* TODO */
/* CAPWAP_CREATE_VENDORSPECIFICPAYLOAD_ELEMENT */ /* TODO */
/* */
ac_soapclient_free_response(response);
/* Configure response complete, get fragment packets */
ac_free_reference_last_response(session);
capwap_packet_txmng_get_fragment_packets(txmngpacket, session->responsefragmentpacket, session->fragmentid);
if (session->responsefragmentpacket->count > 1) {
session->fragmentid++;
}
/* Free packets manager */
capwap_packet_txmng_free(txmngpacket);
/* Save remote sequence number */
session->remoteseqnumber = packet->rxmngpacket->ctrlmsg.seq;
capwap_get_packet_digest(packet->rxmngpacket, packet->connection, session->lastrecvpackethash);
/* Send Configure response to WTP */
if (!capwap_crypt_sendto_fragmentpacket(&session->ctrldtls, session->ctrlsocket.socket[session->ctrlsocket.type], session->responsefragmentpacket, &session->acctrladdress, &session->wtpctrladdress)) {
/* Response is already created and saved. When receive a re-request, DFA autoresponse */
capwap_logging_debug("Warning: error to send configuration status response packet");
}
/* Change state */
ac_dfa_change_state(session, CAPWAP_DATA_CHECK_STATE);
capwap_set_timeout(session->dfa.rfcChangeStatePendingTimer, &session->timeout, CAPWAP_TIMER_CONTROL_CONNECTION);
} else {
ac_dfa_change_state(session, CAPWAP_CONFIGURE_TO_DTLS_TEARDOWN_STATE);
status = AC_DFA_NO_PACKET;
}
capwap_packet_txmng_add_message_element(txmngpacket, CAPWAP_ELEMENT_IDLETIMEOUT, &session->dfa.idletimeout);
capwap_packet_txmng_add_message_element(txmngpacket, CAPWAP_ELEMENT_WTPFALLBACK, &session->dfa.wtpfallback);
if (session->dfa.acipv4list.addresses->count > 0) {
capwap_packet_txmng_add_message_element(txmngpacket, CAPWAP_ELEMENT_ACIPV4LIST, &session->dfa.acipv4list);
}
if (session->dfa.acipv6list.addresses->count > 0) {
capwap_packet_txmng_add_message_element(txmngpacket, CAPWAP_ELEMENT_ACIPV6LIST, &session->dfa.acipv6list);
}
/* CAPWAP_CREATE_RADIOOPRSTATE_ELEMENT */ /* TODO */
/* CAPWAP_CREATE_WTPSTATICIPADDRESS_ELEMENT */ /* TODO */
/* CAPWAP_CREATE_VENDORSPECIFICPAYLOAD_ELEMENT */ /* TODO */
/* Configure response complete, get fragment packets */
ac_free_reference_last_response(session);
capwap_packet_txmng_get_fragment_packets(txmngpacket, session->responsefragmentpacket, session->fragmentid);
if (session->responsefragmentpacket->count > 1) {
session->fragmentid++;
}
/* Free packets manager */
capwap_packet_txmng_free(txmngpacket);
/* Save remote sequence number */
session->remoteseqnumber = packet->rxmngpacket->ctrlmsg.seq;
capwap_get_packet_digest(packet->rxmngpacket, packet->connection, session->lastrecvpackethash);
/* Send Configure response to WTP */
if (!capwap_crypt_sendto_fragmentpacket(&session->ctrldtls, session->ctrlsocket.socket[session->ctrlsocket.type], session->responsefragmentpacket, &session->acctrladdress, &session->wtpctrladdress)) {
/* Response is already created and saved. When receive a re-request, DFA autoresponse */
capwap_logging_debug("Warning: error to send configuration status response packet");
}
/* Change state */
ac_dfa_change_state(session, CAPWAP_DATA_CHECK_STATE);
capwap_set_timeout(session->dfa.rfcChangeStatePendingTimer, &session->timeout, CAPWAP_TIMER_CONTROL_CONNECTION);
} else {
/* Configure timeout */
ac_dfa_change_state(session, CAPWAP_CONFIGURE_TO_DTLS_TEARDOWN_STATE);

35
src/ac/ac_dfa_join.c
View File

@ -6,6 +6,11 @@
/* */
static int ac_dfa_state_join_check_authorizejoin(struct ac_session_t* session, struct ac_soap_response* response) {
if (response->responsecode != HTTP_RESULT_OK) {
/* TODO: check return failed code */
return CAPWAP_RESULTCODE_JOIN_FAILURE_UNKNOWN_SOURCE;
}
return CAPWAP_RESULTCODE_SUCCESS;
}
@ -44,21 +49,8 @@ int ac_dfa_state_join(struct ac_session_t* session, struct capwap_parsed_packet*
/* Request authorization of Backend for complete join */
response = ac_soap_authorizejoin(session, wtpid);
if (response) {
/* Validate Join */
resultcode.code = ac_dfa_state_join_check_authorizejoin(session, response);
ac_soapclient_free_response(response);
/* Valid WTP */
if (resultcode.code == CAPWAP_RESULTCODE_SUCCESS) {
session->wtpid = wtpid;
wtpid = NULL;
/* Session id */
memcpy(&session->sessionid, sessionid, sizeof(struct capwap_sessionid_element));
/* Binding */
session->binding = binding;
}
} else {
resultcode.code = CAPWAP_RESULTCODE_JOIN_FAILURE_UNKNOWN_SOURCE;
}
@ -67,7 +59,11 @@ int ac_dfa_state_join(struct ac_session_t* session, struct capwap_parsed_packet*
}
/* */
if (wtpid) {
if (CAPWAP_RESULTCODE_OK(resultcode.code)) {
session->wtpid = wtpid;
memcpy(&session->sessionid, sessionid, sizeof(struct capwap_sessionid_element));
session->binding = binding;
} else {
capwap_free(wtpid);
}
} else {
@ -88,7 +84,7 @@ int ac_dfa_state_join(struct ac_session_t* session, struct capwap_parsed_packet*
capwap_packet_txmng_add_message_element(txmngpacket, CAPWAP_ELEMENT_RESULTCODE, &resultcode);
/* Check is valid packet after parsing request */
if ((resultcode.code == CAPWAP_RESULTCODE_SUCCESS) || (resultcode.code == CAPWAP_RESULTCODE_SUCCESS_NAT_DETECTED)) {
if (CAPWAP_RESULTCODE_OK(resultcode.code)) {
struct capwap_list* controllist;
struct capwap_list_item* item;
@ -125,7 +121,7 @@ int ac_dfa_state_join(struct ac_session_t* session, struct capwap_parsed_packet*
capwap_packet_txmng_add_message_element(txmngpacket, CAPWAP_ELEMENT_CONTROLIPV4, &element);
} else if (sessioncontrol->localaddress.ss_family == AF_INET6) {
struct capwap_controlipv6_element element;
memcpy(&element.address, &((struct sockaddr_in6*)&sessioncontrol->localaddress)->sin6_addr, sizeof(struct in6_addr));
element.wtpcount = sessioncontrol->count;
capwap_packet_txmng_add_message_element(txmngpacket, CAPWAP_ELEMENT_CONTROLIPV6, &element);
@ -170,7 +166,12 @@ int ac_dfa_state_join(struct ac_session_t* session, struct capwap_parsed_packet*
/* Send Join response to WTP */
if (capwap_crypt_sendto_fragmentpacket(&session->ctrldtls, session->ctrlsocket.socket[session->ctrlsocket.type], session->responsefragmentpacket, &session->acctrladdress, &session->wtpctrladdress)) {
ac_dfa_change_state(session, CAPWAP_POSTJOIN_STATE);
if (CAPWAP_RESULTCODE_OK(resultcode.code)) {
ac_dfa_change_state(session, CAPWAP_POSTJOIN_STATE);
} else {
ac_dfa_change_state(session, CAPWAP_JOIN_TO_DTLS_TEARDOWN_STATE);
status = AC_DFA_NO_PACKET;
}
} else {
/* Error to send packets */
capwap_logging_debug("Warning: error to send join response packet");

8
src/ac/ac_dfa_reset.c
View File

@ -15,6 +15,14 @@ int ac_dfa_state_reset(struct ac_session_t* session, struct capwap_parsed_packet
/* */
binding = GET_WBID_HEADER(packet->rxmngpacket->header);
if ((binding == session->binding) && (packet->rxmngpacket->ctrlmsg.type == CAPWAP_RESET_RESPONSE) && ((session->localseqnumber - 1) == packet->rxmngpacket->ctrlmsg.seq)) {
struct capwap_resultcode_element* resultcode;
/* Check the success of the Request */
resultcode = (struct capwap_resultcode_element*)capwap_get_message_element_data(packet, CAPWAP_ELEMENT_RESULTCODE);
if (resultcode && !CAPWAP_RESULTCODE_OK(resultcode->code)) {
capwap_logging_warning("Receive Reset Response with error: %d", (int)resultcode->code);
}
ac_dfa_change_state(session, CAPWAP_RESET_TO_DTLS_TEARDOWN_STATE);
status = AC_DFA_NO_PACKET;
}

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");
}

3
src/ac/ac_session.h
View File

@ -137,7 +137,8 @@ int ac_dfa_state_dead(struct ac_session_t* session, struct capwap_parsed_packet*
/* Soap function */
struct ac_soap_response* ac_session_send_soap_request(struct ac_session_t* session, char* method, int numparam, ...);
#define ac_soap_authorizejoin(s, wtpid) ac_session_send_soap_request((s), "authorizeJoin", 1, "xs:string", "wtpid", wtpid)
#define ac_soap_authorizejoin(s, wtpid) ac_session_send_soap_request((s), "authorizeJoin", 1, "xs:string", "wtpid", wtpid)
#define ac_soap_configureStatus(s, wtpid, confstatus) ac_session_send_soap_request((s), "configureStatus", 2, "xs:string", "wtpid", wtpid, "xs:base64Binary", "confstatus", confstatus)
#endif /* __AC_SESSION_HEADER__ */

74
src/common/capwap_element.c
View File

@ -208,32 +208,32 @@ int capwap_parsing_packet(struct capwap_packet_rxmng* rxmngpacket, struct capwap
/* Get type and length */
rxmngpacket->readerpacketallowed = sizeof(struct capwap_message_element);
if (rxmngpacket->read_ops.read_u16((capwap_message_elements_handle)rxmngpacket, &type) != sizeof(uint16_t)) {
/* TODO */
return 1;
return INVALID_MESSAGE_ELEMENT;
}
if (rxmngpacket->read_ops.read_u16((capwap_message_elements_handle)rxmngpacket, &msglength) != sizeof(uint16_t)) {
/* TODO */
return 1;
}
/* Check length */
if (msglength > bodylength) {
/* TODO */
return 1;
/* Check type */
if (!IS_VALID_MESSAGE_ELEMENTS(type)) {
return UNRECOGNIZED_MESSAGE_ELEMENT;
}
/* Check binding */
if (IS_80211_MESSAGE_ELEMENTS(type) && (binding != CAPWAP_WIRELESS_BINDING_IEEE80211)) {
/* TODO */
return 1;
return UNRECOGNIZED_MESSAGE_ELEMENT;
}
if (rxmngpacket->read_ops.read_u16((capwap_message_elements_handle)rxmngpacket, &msglength) != sizeof(uint16_t)) {
return INVALID_MESSAGE_ELEMENT;
}
/* Check length */
if (msglength > bodylength) {
return INVALID_MESSAGE_ELEMENT;
}
/* Reader function */
read_ops = capwap_get_message_element_ops(type);
if (!read_ops) {
/* TODO */
return 1;
return INVALID_MESSAGE_ELEMENT;
}
/* Allowed to parsing only the size of message element */
@ -245,7 +245,7 @@ int capwap_parsing_packet(struct capwap_packet_rxmng* rxmngpacket, struct capwap
if (category == CAPWAP_MESSAGE_ELEMENT_SINGLE) {
/* Check for multiple message element */
if (itemlist) {
return 1;
return INVALID_MESSAGE_ELEMENT;
}
/* Create new message element */
@ -256,7 +256,7 @@ int capwap_parsing_packet(struct capwap_packet_rxmng* rxmngpacket, struct capwap
messageelement->data = read_ops->parsing_message_element((capwap_message_elements_handle)rxmngpacket, &rxmngpacket->read_ops);
if (!messageelement->data) {
capwap_itemlist_free(itemlist);
return 1;
return INVALID_MESSAGE_ELEMENT;
}
/* */
@ -285,7 +285,7 @@ int capwap_parsing_packet(struct capwap_packet_rxmng* rxmngpacket, struct capwap
/* Get message element */
datamsgelement = read_ops->parsing_message_element((capwap_message_elements_handle)rxmngpacket, &rxmngpacket->read_ops);
if (!datamsgelement) {
return 1;
return INVALID_MESSAGE_ELEMENT;
}
/* */
@ -294,8 +294,7 @@ int capwap_parsing_packet(struct capwap_packet_rxmng* rxmngpacket, struct capwap
/* Check if read all data of message element */
if (rxmngpacket->readerpacketallowed) {
/* TODO */
return 1;
return INVALID_MESSAGE_ELEMENT;
}
/* */
@ -316,15 +315,13 @@ int capwap_parsing_packet(struct capwap_packet_rxmng* rxmngpacket, struct capwap
/* Check length */
if ((msglength + sizeof(struct capwap_message_element)) != bodylength) {
/* TODO */
return 1;
return INVALID_MESSAGE_ELEMENT;
}
/* Allowed to parsing only the size of message element */
rxmngpacket->readerpacketallowed = msglength;
if (type != CAPWAP_ELEMENT_SESSIONID) {
/* TODO */
return 1;
return UNRECOGNIZED_MESSAGE_ELEMENT;
}
/* Retrieve session id */
@ -336,19 +333,20 @@ int capwap_parsing_packet(struct capwap_packet_rxmng* rxmngpacket, struct capwap
messageelement->data = read_ops->parsing_message_element((capwap_message_elements_handle)rxmngpacket, &rxmngpacket->read_ops);
if (!messageelement->data) {
capwap_itemlist_free(itemlist);
return 1;
return INVALID_MESSAGE_ELEMENT;
}
/* */
capwap_itemlist_insert_after(packet->messages, NULL, itemlist);
}
return 0;
return PARSING_COMPLETE;
}
/* */
int capwap_validate_parsed_packet(struct capwap_parsed_packet* packet, struct capwap_array* returnedmessage) {
unsigned short binding;
struct capwap_resultcode_element* resultcode;
ASSERT(packet != NULL);
ASSERT(packet->rxmngpacket != NULL);
@ -390,6 +388,12 @@ int capwap_validate_parsed_packet(struct capwap_parsed_packet* packet, struct ca
}
}
/* 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;
}
@ -433,6 +437,12 @@ int capwap_validate_parsed_packet(struct capwap_parsed_packet* packet, struct ca
}
}
/* 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;
}
@ -464,6 +474,12 @@ int capwap_validate_parsed_packet(struct capwap_parsed_packet* packet, struct ca
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;
}
@ -592,6 +608,12 @@ int capwap_validate_parsed_packet(struct capwap_parsed_packet* packet, struct ca
}
}
/* 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;
}

5
src/common/capwap_element.h
View File

@ -129,6 +129,11 @@ struct capwap_parsed_packet {
struct capwap_list* messages;
};
/* */
#define PARSING_COMPLETE 0
#define UNRECOGNIZED_MESSAGE_ELEMENT 1
#define INVALID_MESSAGE_ELEMENT 2
int capwap_parsing_packet(struct capwap_packet_rxmng* rxmngpacket, struct capwap_connection* connection, struct capwap_parsed_packet* packet);
int capwap_validate_parsed_packet(struct capwap_parsed_packet* packet, struct capwap_array* returnedmessage);
void capwap_free_parsed_packet(struct capwap_parsed_packet* packet);

4
src/common/capwap_element_resultcode.h
View File

@ -28,7 +28,9 @@
#define CAPWAP_RESULTCODE_FAILURE_UNRECOGNIZED_MESSAGE_ELEMENT 21
#define CAPWAP_RESULTCODE_DATA_TRANSFER_ERROR 22
#define CAPWAP_RESULTCODE_LAST 22
#define CAPWAP_RESULTCODE_OK(x) (((x) == CAPWAP_RESULTCODE_SUCCESS) || ((x) == CAPWAP_RESULTCODE_SUCCESS_NAT_DETECTED))
struct capwap_resultcode_element {
uint32_t code;
};

3
src/common/capwap_rfc.h
View File

@ -210,4 +210,7 @@ struct capwap_macaddress_eui64 {
#define CAPWAP_80211_MESSAGE_ELEMENTS_COUNT ((CAPWAP_80211_MESSAGE_ELEMENTS_STOP - CAPWAP_80211_MESSAGE_ELEMENTS_START) + 1)
#define IS_80211_MESSAGE_ELEMENTS(x) (((x >= CAPWAP_80211_MESSAGE_ELEMENTS_START) && (x <= CAPWAP_80211_MESSAGE_ELEMENTS_STOP)) ? 1 : 0)
/* */
#define IS_VALID_MESSAGE_ELEMENTS(x) (IS_MESSAGE_ELEMENTS(x) || IS_80211_MESSAGE_ELEMENTS(x))
#endif /* __CAPWAP_RFC_HEADER__ */

26
src/wtp/wtp_dfa.c
View File

@ -46,13 +46,13 @@ void wtp_free_packet_rxmng(int isctrlmsg) {
}
/* */
void wtp_send_invalid_request(struct capwap_packet_rxmng* rxmngpacket, struct capwap_connection* connection) {
static void wtp_send_invalid_request(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 = CAPWAP_RESULTCODE_MSG_UNEXPECTED_UNRECOGNIZED_REQUEST };
struct capwap_resultcode_element resultcode = { .code = errorcode };
ASSERT(rxmngpacket != NULL);
ASSERT(rxmngpacket->fragmentlist->first != NULL);
@ -62,7 +62,7 @@ void wtp_send_invalid_request(struct capwap_packet_rxmng* rxmngpacket, struct ca
packet = (struct capwap_fragment_packet_item*)rxmngpacket->fragmentlist->first->item;
header = (struct capwap_header*)packet->buffer;
/* Odd message type, response with "Unrecognized Request" */
/* 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, g_wtp.mtu);
@ -521,7 +521,8 @@ int wtp_dfa_running(void) {
res = capwap_check_message_type(rxmngpacket);
if (res != VALID_MESSAGE_TYPE) {
if (res == INVALID_REQUEST_MESSAGE_TYPE) {
wtp_send_invalid_request(rxmngpacket, &connection);
capwap_logging_warning("Unexpected Unrecognized Request, send Response Packet with error");
wtp_send_invalid_request(rxmngpacket, &connection, CAPWAP_RESULTCODE_MSG_UNEXPECTED_UNRECOGNIZED_REQUEST);
}
capwap_logging_debug("Invalid message type");
@ -531,7 +532,15 @@ int wtp_dfa_running(void) {
}
/* Parsing packet */
if (capwap_parsing_packet(rxmngpacket, &connection, &packet)) {
res = capwap_parsing_packet(rxmngpacket, &connection, &packet);
if (res != PARSING_COMPLETE) {
if (socket.isctrlsocket && (res == UNRECOGNIZED_MESSAGE_ELEMENT) && capwap_is_request_type(rxmngpacket->ctrlmsg.type)) {
capwap_logging_warning("Unrecognized Message Element, send Response Packet with error");
wtp_send_invalid_request(rxmngpacket, &connection, CAPWAP_RESULTCODE_FAILURE_UNRECOGNIZED_MESSAGE_ELEMENT);
/* TODO: add the unrecognized message element */
}
/* */
capwap_free_parsed_packet(&packet);
wtp_free_packet_rxmng(socket.isctrlsocket);
capwap_logging_debug("Failed parsing packet");
@ -540,7 +549,12 @@ int wtp_dfa_running(void) {
/* Validate packet */
if (capwap_validate_parsed_packet(&packet, NULL)) {
/* TODO gestione errore risposta */
if (socket.isctrlsocket && capwap_is_request_type(rxmngpacket->ctrlmsg.type)) {
capwap_logging_warning("Missing Mandatory Message Element, send Response Packet with error");
wtp_send_invalid_request(rxmngpacket, &connection, CAPWAP_RESULTCODE_FAILURE_MISSING_MANDATORY_MSG_ELEMENT);
}
/* */
capwap_free_parsed_packet(&packet);
wtp_free_packet_rxmng(socket.isctrlsocket);
capwap_logging_debug("Failed validation parsed packet");

8
src/wtp/wtp_dfa_configure.c
View File

@ -8,6 +8,14 @@
/* */
static unsigned long wtp_configure_ac(struct capwap_parsed_packet* packet) {
struct capwap_timers_element* timers;
struct capwap_resultcode_element* resultcode;
/* Check the success of the Request */
resultcode = (struct capwap_resultcode_element*)capwap_get_message_element_data(packet, CAPWAP_ELEMENT_RESULTCODE);
if (resultcode && !CAPWAP_RESULTCODE_OK(resultcode->code)) {
capwap_logging_warning("Receive Configure Status Response with error: %d", (int)resultcode->code);
return CAPWAP_CONFIGURE_TO_DTLS_TEARDOWN_STATE;
}
/* TODO: gestione richiesta */

9
src/wtp/wtp_dfa_datacheck.c
View File

@ -5,6 +5,15 @@
/* */
static unsigned long wtp_datacheck_ac(struct capwap_parsed_packet* packet) {
struct capwap_resultcode_element* resultcode;
/* Check the success of the Request */
resultcode = (struct capwap_resultcode_element*)capwap_get_message_element_data(packet, CAPWAP_ELEMENT_RESULTCODE);
if (resultcode && !CAPWAP_RESULTCODE_OK(resultcode->code)) {
capwap_logging_warning("Receive Data Check Response with error: %d", (int)resultcode->code);
return CAPWAP_DATA_CHECK_TO_DTLS_TEARDOWN_STATE;
}
/* TODO: gestione richiesta */
return CAPWAP_DATA_CHECK_TO_RUN_STATE;

46
src/wtp/wtp_dfa_discovery.c
View File

@ -33,32 +33,38 @@ int wtp_dfa_state_discovery(struct capwap_parsed_packet* packet, struct timeout_
/* */
binding = GET_WBID_HEADER(packet->rxmngpacket->header);
if (packet->rxmngpacket->isctrlpacket && (binding == g_wtp.binding) && (packet->rxmngpacket->ctrlmsg.type == CAPWAP_DISCOVERY_RESPONSE) && ((g_wtp.localseqnumber - 1) == packet->rxmngpacket->ctrlmsg.seq)) {
int i;
struct wtp_discovery_response* response = (struct wtp_discovery_response*)capwap_array_get_item_pointer(g_wtp.acdiscoveryresponse, g_wtp.acdiscoveryresponse->count);
struct capwap_resultcode_element* resultcode;
/* */
response->controlipv4 = capwap_array_create(sizeof(struct capwap_controlipv4_element), 0, 0);
response->controlipv6 = capwap_array_create(sizeof(struct capwap_controlipv6_element), 0, 0);
/* Check the success of the Request */
resultcode = (struct capwap_resultcode_element*)capwap_get_message_element_data(packet, CAPWAP_ELEMENT_RESULTCODE);
if (!resultcode || CAPWAP_RESULTCODE_OK(resultcode->code)) {
int i;
struct wtp_discovery_response* response = (struct wtp_discovery_response*)capwap_array_get_item_pointer(g_wtp.acdiscoveryresponse, g_wtp.acdiscoveryresponse->count);
/* Create controlipv4 */
controlip = (struct capwap_array*)capwap_get_message_element_data(packet, CAPWAP_ELEMENT_CONTROLIPV4);
if (controlip) {
for (i = 0; i < controlip->count; i++) {
struct capwap_controlipv4_element* src = *(struct capwap_controlipv4_element**)capwap_array_get_item_pointer(controlip, i);
struct capwap_controlipv4_element* dst = (struct capwap_controlipv4_element*)capwap_array_get_item_pointer(response->controlipv4, i);
/* */
response->controlipv4 = capwap_array_create(sizeof(struct capwap_controlipv4_element), 0, 0);
response->controlipv6 = capwap_array_create(sizeof(struct capwap_controlipv6_element), 0, 0);
memcpy(dst, src, sizeof(struct capwap_controlipv4_element));
/* Create controlipv4 */
controlip = (struct capwap_array*)capwap_get_message_element_data(packet, CAPWAP_ELEMENT_CONTROLIPV4);
if (controlip) {
for (i = 0; i < controlip->count; i++) {
struct capwap_controlipv4_element* src = *(struct capwap_controlipv4_element**)capwap_array_get_item_pointer(controlip, i);
struct capwap_controlipv4_element* dst = (struct capwap_controlipv4_element*)capwap_array_get_item_pointer(response->controlipv4, i);
memcpy(dst, src, sizeof(struct capwap_controlipv4_element));
}
}
}
/* Create controlipv6 */
controlip = (struct capwap_array*)capwap_get_message_element_data(packet, CAPWAP_ELEMENT_CONTROLIPV6);
if (controlip) {
for (i = 0; i < (controlip)->count; i++) {
struct capwap_controlipv6_element* src = *(struct capwap_controlipv6_element**)capwap_array_get_item_pointer((controlip), i);
struct capwap_controlipv6_element* dst = (struct capwap_controlipv6_element*)capwap_array_get_item_pointer(response->controlipv6, i);
/* Create controlipv6 */
controlip = (struct capwap_array*)capwap_get_message_element_data(packet, CAPWAP_ELEMENT_CONTROLIPV6);
if (controlip) {
for (i = 0; i < (controlip)->count; i++) {
struct capwap_controlipv6_element* src = *(struct capwap_controlipv6_element**)capwap_array_get_item_pointer((controlip), i);
struct capwap_controlipv6_element* dst = (struct capwap_controlipv6_element*)capwap_array_get_item_pointer(response->controlipv6, i);
memcpy(dst, src, sizeof(struct capwap_controlipv6_element));
memcpy(dst, src, sizeof(struct capwap_controlipv6_element));
}
}
}
}

8
src/wtp/wtp_dfa_join.c
View File

@ -9,6 +9,14 @@
static unsigned long wtp_join_ac(struct capwap_parsed_packet* packet) {
struct capwap_acdescriptor_element* acdescriptor;
struct capwap_acname_element* acname;
struct capwap_resultcode_element* resultcode;
/* Check the success of the Request */
resultcode = (struct capwap_resultcode_element*)capwap_get_message_element_data(packet, CAPWAP_ELEMENT_RESULTCODE);
if (resultcode && !CAPWAP_RESULTCODE_OK(resultcode->code)) {
capwap_logging_warning("Receive Join Response with error: %d", (int)resultcode->code);
return CAPWAP_JOIN_TO_DTLS_TEARDOWN_STATE;
}
/* TODO: gestione richiesta
CAPWAP_JOIN_TO_IMAGE_DATA_STATE <-> CAPWAP_JOIN_TO_CONFIGURE_STATE

11
src/wtp/wtp_dfa_run.c
View File

@ -40,8 +40,17 @@ static int send_echo_request() {
/* */
static int receive_echo_response(struct capwap_parsed_packet* packet) {
struct capwap_resultcode_element* resultcode;
ASSERT(packet != NULL);
/* Check the success of the Request */
resultcode = (struct capwap_resultcode_element*)capwap_get_message_element_data(packet, CAPWAP_ELEMENT_RESULTCODE);
if (resultcode && !CAPWAP_RESULTCODE_OK(resultcode->code)) {
capwap_logging_warning("Receive Echo Response with error: %d", (int)resultcode->code);
return 1;
}
/* Valid packet, free request packet */
wtp_free_reference_last_request();
return 0;

25
webservice/smartcapwap.wsdl
View File

@ -26,6 +26,14 @@
<wsdl:message name="authorizeJoinResponse"/>
<wsdl:message name="waitBackendEventFault"/>
<wsdl:message name="authorizeJoinFault"/>
<wsdl:message name="configureStatus">
<wsdl:part name="sessionid" type="xs:string"/>
<wsdl:part name="wtpid" type="xs:string"/>
<wsdl:part name="confstatus" type="xs:base64Binary"/>
</wsdl:message>
<wsdl:message name="configureStatusResponse">
<wsdl:part name="return" type="xs:base64Binary"/>
</wsdl:message>
<wsdl:portType name="Presence">
<wsdl:operation name="joinBackend">
<wsdl:input message="tns:joinBackend"/>
@ -40,14 +48,16 @@
<wsdl:operation name="waitBackendEvent">
<wsdl:input message="tns:waitBackendEvent"/>
<wsdl:output message="tns:waitBackendEventResponse"/>
<wsdl:fault name="waitBackendEventFault" message="tns:waitBackendEventFault"/>
</wsdl:operation>
</wsdl:portType>
<wsdl:portType name="AccessController">
<wsdl:operation name="authorizeJoin">
<wsdl:input message="tns:authorizeJoin"/>
<wsdl:output message="tns:authorizeJoinResponse"/>
<wsdl:fault name="authorizeJoinFault" message="tns:authorizeJoinFault"/>
</wsdl:operation>
<wsdl:operation name="configureStatus">
<wsdl:input message="tns:configureStatus"/>
<wsdl:output message="tns:configureStatusResponse"/>
</wsdl:operation>
</wsdl:portType>
<wsdl:binding name="Presence" type="tns:Presence">
@ -81,7 +91,6 @@
<wsdl:output>
<soap:body use="literal"/>
</wsdl:output>
<wsdl:fault name="waitBackendEventFault"/>
</wsdl:operation>
</wsdl:binding>
<wsdl:binding name="AccessController" type="tns:AccessController">
@ -94,7 +103,15 @@
<wsdl:output>
<soap:body use="literal"/>
</wsdl:output>
<wsdl:fault name="authorizeJoinFault"/>
</wsdl:operation>
<wsdl:operation name="configureStatus">
<soap:operation soapAction="urn:#NewOperation"/>
<wsdl:input>
<soap:body use="literal"/>
</wsdl:input>
<wsdl:output>
<soap:body use="literal"/>
</wsdl:output>
</wsdl:operation>
</wsdl:binding>
<wsdl:service name="SmartCAPWAP">