CWBool CWWTPCheckForBindingFrame() { // CWLockSafeList(gFrameList); while (CWGetCountElementFromSafeList(gFrameList) > 0) { CWBindingDataListElement* dataFirstElem = CWRemoveHeadElementFromSafeList(gFrameList, NULL); if (dataFirstElem) { int k; int fragmentsNum = 0; CWProtocolMessage *completeMsgPtr = NULL; if (!CWAssembleDataMessage(&completeMsgPtr, &fragmentsNum, gWTPPathMTU, dataFirstElem->frame, dataFirstElem->bindingValues, #ifdef CW_NO_DTLS CW_PACKET_PLAIN #else (gDtlsSecurity == 1)?CW_PACKET_CRYPT:CW_PACKET_PLAIN /* 0-CW_PACKET_PLAIN, 1-CW_PACKET_CRYPT */ #endif )) { for(k = 0; k < fragmentsNum; k++) { CW_FREE_PROTOCOL_MESSAGE(completeMsgPtr[k]); } CW_FREE_OBJECT(completeMsgPtr); CW_FREE_PROTOCOL_MESSAGE(*(dataFirstElem->frame)); CW_FREE_OBJECT(dataFirstElem->frame); CW_FREE_OBJECT(dataFirstElem->bindingValues); CW_FREE_OBJECT(dataFirstElem); continue; } for (k = 0; k < fragmentsNum; k++) { #ifndef CW_NO_DTLS if(gDtlsSecurity == 1) { if (!CWSecuritySend(gWTPSession, completeMsgPtr[k].msg, completeMsgPtr[k].offset)) { CWDebugLog("Failure sending Request"); break; //gzm break don't unlockSafeList ??? } } else #endif { if (!CWNetworkSendUnsafeUnconnected(gWTPSocket, &(gACInfoPtr->preferredAddress), completeMsgPtr[k].msg, completeMsgPtr[k].offset)) { CWDebugLog("Failure sending Request"); break; //gzm break don't unlockSafeList ??? } } } for (k = 0; k < fragmentsNum; k++) { CW_FREE_PROTOCOL_MESSAGE(completeMsgPtr[k]); } CW_FREE_OBJECT(completeMsgPtr); CW_FREE_PROTOCOL_MESSAGE(*(dataFirstElem->frame)); CW_FREE_OBJECT(dataFirstElem->frame); CW_FREE_OBJECT(dataFirstElem->bindingValues); CW_FREE_OBJECT(dataFirstElem); } } CWUnlockSafeList(gFrameList); return CW_TRUE; }
CW_THREAD_RETURN_TYPE CWACipc_with_ac_hostapd(void *arg){ int tmp_WTPIndex = -1; int len; int k; #if defined(LOCALUDP) struct sockaddr_un server; #else #if defined(USEIPV6) struct sockaddr_in6 server; #else struct sockaddr_in server; #endif #endif unsigned char buffer[2048]; int connect_ret; char cmd[10]; CWProtocolMessage* frame=NULL; CWNetworkLev4Address address; CWThreadSetSignals(SIG_BLOCK, 1, SIGALRM); #if defined(LOCALUDP) sock = socket(AF_UNIX, SOCK_DGRAM, 0); #elif defined(NETUDP) #if defined(USEIPV6) bzero(&server, sizeof(server)); sock = socket(AF_INET6,SOCK_DGRAM,IPPROTO_UDP); #else memset(&server, 0, sizeof(server)); sock = socket(AF_INET,SOCK_DGRAM,IPPROTO_UDP); #endif #else #if defined(USEIPV6) bzero(&server, sizeof(server)); sock = socket(AF_INET6,SOCK_SEQPACKET,IPPROTO_SCTP); #else memset(&server, 0, sizeof(server)); sock = socket(AF_INET,SOCK_SEQPACKET,IPPROTO_SCTP); #endif #endif if (sock < 0) { CWDebugLog("AC ipc HOSTAPD: Error creating socket"); EXIT_FRAME_THREAD(sock); } CWDebugLog("AC ipc HOSTAPD: Trying to connect to hostapd (AC)..."); #if defined(LOCALUDP) server.sun_family = AF_UNIX; strcpy(server.sun_path, gHostapd_unix_path); unlink(server.sun_path); connect_ret = bind(sock, (struct sockaddr *)&server, strlen(server.sun_path) + sizeof(server.sun_family)); #else #if defined(USEIPV6) server.sin6_family = AF_INET6; server.sin6_port = gHostapd_port; server.sin6_addr = in6addr_any; #else server.sin_family = AF_INET; server.sin_port = gHostapd_port; server.sin_addr.s_addr = INADDR_ANY; #endif connect_ret = bind(sock,(struct sockaddr *)&server,sizeof(server)); #endif if ( connect_ret == -1) { CWDebugLog("AC ipc HOSTAPD: Error connect to socket"); EXIT_FRAME_THREAD(sock); } #if defined(LOCALUDP) #elif defined(NETUDP) #else if (listen(sock, CW_MAX_WTP) < 0){ CWDebugLog("AC ipc HOSTAPD: Error listen "); EXIT_FRAME_THREAD(sock); } #endif int i=0; CWProtocolMessage *completeMsgPtr = NULL; int fragmentsNum = 0; CWMultiHomedSocket *sockPtr = &gACSocket; int dataSocket=0; #if defined(LOCALUDP) struct sockaddr_un client_tmp; client_tmp.sun_family = AF_UNIX; #else #if defined(USEIPV6) struct sockaddr_in6 client_tmp; #else struct sockaddr_in client_tmp; #endif #endif int address_size_tmp = sizeof(client_tmp); for(i=0; i<CW_MAX_WTP; i++){ ch[i].associated = 0; #if defined(LOCALUDP) ch[i].client.sun_family = AF_UNIX; ch[i].address_size = sizeof(struct sockaddr_un); #else #if defined(USEIPV6) ch[i].client.sin6_port = 0; #else ch[i].client.sin_port = 0; #endif #endif } #if defined(LOCALUDP) CWLog("Accept Packet at pipe: %s",gHostapd_unix_path); #elif defined(NETUDP) #if defined(USEIPV6) CWLog("Accept UDP v6 Packet at Port: %d",server.sin6_port); #else CWLog("Accept UDP v4 Packet at Port: %d",server.sin_port); #endif #else #if defined(USEIPV6) CWLog("Accept SCTP v6 Packet at Port: %d",server.sin6_port); #else CWLog("Accept SCTP v4 Packet at Port: %d",server.sin_port); #endif #endif CW_REPEAT_FOREVER { tmp_WTPIndex = -1; len = recvfrom(sock, buffer, 3000, 0, (struct sockaddr *)&client_tmp, &address_size_tmp); #if defined(LOCALUDP) sprintf(client_tmp.sun_path, "%s%c%c%c%c%c",server.sun_path, buffer[1],buffer[2],buffer[3],buffer[4],buffer[5]); #endif if(Exist_WTPs()==0){ send_close_cmd(client_tmp,sizeof(client_tmp)); continue; } if(len <= 0 ) { continue; /* EXIT_FRAME_THREAD(sock) */ } for( i=0; i<CW_MAX_WTP; i++){ #if defined(LOCALUDP) if( strcmp(client_tmp.sun_path,ch[i].client.sun_path)==0 ){ tmp_WTPIndex = i; break; } #else #if defined(USEIPV6) if( (client_tmp.sin6_port == ch[i].client.sin6_port) && (strncmp(client_tmp.sin6_addr.s6_addr,ch[i].client.sin6_addr.s6_addr,16)==0 )){ tmp_WTPIndex = i; } #else if( (client_tmp.sin_port == ch[i].client.sin_port) && (strcmp(inet_ntoa(client_tmp.sin_addr),inet_ntoa(ch[i].client.sin_addr))==0 )){ tmp_WTPIndex = i; } #endif #endif } if( tmp_WTPIndex<0 ){// Client not recognized int wtp_non_associated = GetWTP_not_associated_to_Hostapd (); if( wtp_non_associated >= 0){ if( buffer[0]==CONNECT ){ ch[wtp_non_associated].live = 0; ch[wtp_non_associated].start_set_fase = 0; ch[wtp_non_associated].associated = 1; ch[wtp_non_associated].client = client_tmp; ch[wtp_non_associated].address_size = address_size_tmp; cmd[0] = CONNECT_R; sendto(sock, cmd, 1, 0, (struct sockaddr *)&ch[wtp_non_associated].client, ch[wtp_non_associated].address_size); CWLog("wtp_non_associated:%d",wtp_non_associated); #if defined(LOCALUDP) CWLog("Hostapd_AC Connect: %s", ch[wtp_non_associated].client.sun_path); #else #if defined(USEIPV6) CWLog("Hostapd_AC (v6) Connect: %d", ch[wtp_non_associated].client.sin6_port); #else CWLog("Hostapd_AC (v4) Connect: %s:%d",inet_ntoa(ch[wtp_non_associated].client.sin_addr), ch[wtp_non_associated].client.sin_port); #endif #endif continue; }else{ send_close_cmd(client_tmp,sizeof(client_tmp)); continue; } }else{ send_close_cmd(client_tmp,sizeof(client_tmp)); continue; } }else{ // Client recognized int sig_byte = 1; #if defined(LOCALUDP) sig_byte = 6; //Code #endif if( buffer[0]==DATE_TO_WTP ){ if (gWTPs[tmp_WTPIndex].currentState != CW_ENTER_RUN){ CWDebugLog("AC %d is not in RUN State. The packet was dropped.",i); continue; }else if (len > (gWTPs[tmp_WTPIndex].pathMTU-20)){ CWDebugLog("802.11 data length(%d) > MTU(%d)",len, gWTPs[tmp_WTPIndex].pathMTU); continue; }else{ len = len - sig_byte; CW_CREATE_OBJECT_ERR(frame, CWProtocolMessage, return 0;); CW_CREATE_PROTOCOL_MESSAGE(*frame, len, return 0;); memcpy(frame->msg, buffer + sig_byte , len); frame->offset=len; frame->data_msgType = CW_IEEE_802_11_FRAME_TYPE; if (!CWAssembleDataMessage(&completeMsgPtr, &fragmentsNum, gWTPs[tmp_WTPIndex].pathMTU, frame, NULL, CW_PACKET_PLAIN, 0)){ for(k = 0; k < fragmentsNum; k++){ CW_FREE_PROTOCOL_MESSAGE(completeMsgPtr[k]); } CW_FREE_OBJECT(completeMsgPtr); CW_FREE_PROTOCOL_MESSAGE(*frame); CW_FREE_OBJECT(frame); continue; } for(k = 0; k < sockPtr->count; k++) { if (sockPtr->interfaces[k].sock == gWTPs[tmp_WTPIndex].socket){ dataSocket = sockPtr->interfaces[k].dataSock; CW_COPY_NET_ADDR_PTR(&address,&(gWTPs[tmp_WTPIndex].dataaddress)); break; } } if (dataSocket == 0){ CWDebugLog("data socket of WTP %d isn't ready."); continue; } for (k = 0; k < fragmentsNum; k++){ if(!CWNetworkSendUnsafeUnconnected( dataSocket, &(address),completeMsgPtr[k].msg,completeMsgPtr[k].offset)){ CWDebugLog("Failure sending Request"); break; } } for (k = 0; k < fragmentsNum; k++){ CW_FREE_PROTOCOL_MESSAGE(completeMsgPtr[k]); } CW_FREE_OBJECT(completeMsgPtr); CW_FREE_PROTOCOL_MESSAGE(*(frame)); CW_FREE_OBJECT(frame); } }else if( buffer[0]==SET_ADDR ){