X-Git-Url: https://git.stg.codes/stg.git/blobdiff_plain/d414065410fdc3d317933944e783efa7aeee80b2..da9b6f95cc1927507f2aeddd079528c7368025a1:/stglibs/srvconf.lib/netunit.cpp diff --git a/stglibs/srvconf.lib/netunit.cpp b/stglibs/srvconf.lib/netunit.cpp index f70cf27d..1a21295b 100644 --- a/stglibs/srvconf.lib/netunit.cpp +++ b/stglibs/srvconf.lib/netunit.cpp @@ -18,20 +18,14 @@ * Author : Boris Mikhailenko */ - /* - $Revision: 1.6 $ - $Date: 2009/02/06 10:25:54 $ - $Author: faust $ - */ - -//--------------------------------------------------------------------------- - #include "netunit.h" #include "stg/servconf_types.h" #include "stg/common.h" #include "stg/blowfish.h" +#include // std::min + #include #include #include @@ -59,6 +53,7 @@ const std::string::size_type MAX_XML_CHUNK_LENGTH = 2048; #define RECV_DATA_ANSWER_ERROR "Recv data answer error!" #define UNKNOWN_ERROR "Unknown error!" #define CONNECT_FAILED "Connect failed!" +#define BIND_FAILED "Bind failed!" #define INCORRECT_LOGIN "Incorrect login!" #define INCORRECT_HEADER "Incorrect header!" #define SEND_LOGIN_ERROR "Send login error!" @@ -73,18 +68,28 @@ NETTRANSACT::NETTRANSACT(const std::string & s, uint16_t p, const std::string & l, const std::string & pwd) : server(s), port(p), + localPort(0), + login(l), + password(pwd), + outerSocket(-1) +{ +} +//--------------------------------------------------------------------------- +NETTRANSACT::NETTRANSACT(const std::string & s, uint16_t p, + const std::string & la, uint16_t lp, + const std::string & l, const std::string & pwd) + : server(s), + port(p), + localAddress(la), + localPort(lp), login(l), password(pwd), - outerSocket(-1), - RxCallBack(NULL), - dataRxCallBack(NULL) + outerSocket(-1) { } //--------------------------------------------------------------------------- int NETTRANSACT::Connect() { -int ret; - outerSocket = socket(PF_INET, SOCK_STREAM, 0); if (outerSocket < 0) { @@ -92,49 +97,80 @@ if (outerSocket < 0) return st_conn_fail; } +if (!localAddress.empty()) + { + if (localPort == 0) + localPort = port; + + unsigned long ip = inet_addr(localAddress.c_str()); + + if (ip == INADDR_NONE) + { + struct hostent * phe = gethostbyname(localAddress.c_str()); + if (phe == NULL) + { + errorMsg = "DNS error.\nCan not reslove " + localAddress; + return st_dns_err; + } + + struct hostent he; + memcpy(&he, phe, sizeof(he)); + ip = *((long *)he.h_addr_list[0]); + } + + struct sockaddr_in localAddr; + memset(&localAddr, 0, sizeof(localAddr)); + localAddr.sin_family = AF_INET; + localAddr.sin_port = htons(localPort); + localAddr.sin_addr.s_addr = ip; + + if (bind(outerSocket, (struct sockaddr *)&localAddr, sizeof(localAddr)) < 0) + { + errorMsg = BIND_FAILED; + close(outerSocket); + return st_conn_fail; + } + } + struct sockaddr_in outerAddr; memset(&outerAddr, 0, sizeof(outerAddr)); -struct hostent he; -struct hostent * phe; - -unsigned long ip; -ip = inet_addr(server.c_str()); +unsigned long ip = inet_addr(server.c_str()); if (ip == INADDR_NONE) { - phe = gethostbyname(server.c_str()); + struct hostent * phe = gethostbyname(server.c_str()); if (phe == NULL) { errorMsg = "DNS error.\nCan not reslove " + server; return st_dns_err; } + struct hostent he; memcpy(&he, phe, sizeof(he)); - ip = *((long*)he.h_addr_list[0]); + ip = *((long *)he.h_addr_list[0]); } + outerAddr.sin_family = AF_INET; outerAddr.sin_port = htons(port); outerAddr.sin_addr.s_addr = ip; -ret = connect(outerSocket, (struct sockaddr*)&outerAddr, sizeof(outerAddr)); - -if (ret < 0) +if (connect(outerSocket, (struct sockaddr *)&outerAddr, sizeof(outerAddr)) < 0) { errorMsg = CONNECT_FAILED; close(outerSocket); return st_conn_fail; } + return st_ok; } //--------------------------------------------------------------------------- -int NETTRANSACT::Disconnect() +void NETTRANSACT::Disconnect() { close(outerSocket); -return 0; } //--------------------------------------------------------------------------- -int NETTRANSACT::Transact(const char * data) +int NETTRANSACT::Transact(const std::string & request, CALLBACK callback, void * data) { int ret; if ((ret = TxHeader()) != st_ok) @@ -173,13 +209,13 @@ if ((ret = RxLoginSAnswer()) != st_ok) return ret; } -if ((ret = TxData(data)) != st_ok) +if ((ret = TxData(request)) != st_ok) { Disconnect(); return ret; } -if ((ret = RxDataAnswer()) != st_ok) +if ((ret = RxDataAnswer(callback, data)) != st_ok) { Disconnect(); return ret; @@ -190,9 +226,7 @@ return st_ok; //--------------------------------------------------------------------------- int NETTRANSACT::TxHeader() { -int ret; -ret = send(outerSocket, STG_HEADER, strlen(STG_HEADER), 0); -if (ret <= 0) +if (send(outerSocket, STG_HEADER, strlen(STG_HEADER), 0) <= 0) { errorMsg = SEND_HEADER_ERROR; return st_send_fail; @@ -203,11 +237,9 @@ return st_ok; //--------------------------------------------------------------------------- int NETTRANSACT::RxHeaderAnswer() { -char buffer[sizeof(STG_HEADER)+1]; -int ret; +char buffer[sizeof(STG_HEADER) + 1]; -ret = recv(outerSocket, buffer, strlen(OK_HEADER), 0); -if (ret <= 0) +if (recv(outerSocket, buffer, strlen(OK_HEADER), 0) <= 0) { printf("Receive header answer error: '%s'\n", strerror(errno)); errorMsg = RECV_HEADER_ANSWER_ERROR; @@ -236,13 +268,10 @@ else int NETTRANSACT::TxLogin() { char loginZ[ADM_LOGIN_LEN]; -int ret; - memset(loginZ, 0, ADM_LOGIN_LEN); strncpy(loginZ, login.c_str(), ADM_LOGIN_LEN); -ret = send(outerSocket, loginZ, ADM_LOGIN_LEN, 0); -if (ret <= 0) +if (send(outerSocket, loginZ, ADM_LOGIN_LEN, 0) <= 0) { errorMsg = SEND_LOGIN_ERROR; return st_send_fail; @@ -253,11 +282,9 @@ return st_ok; //--------------------------------------------------------------------------- int NETTRANSACT::RxLoginAnswer() { -char buffer[sizeof(OK_LOGIN)+1]; -int ret; +char buffer[sizeof(OK_LOGIN) + 1]; -ret = recv(outerSocket, buffer, strlen(OK_LOGIN), 0); -if (ret <= 0) +if (recv(outerSocket, buffer, strlen(OK_LOGIN), 0) <= 0) { printf("Receive login answer error: '%s'\n", strerror(errno)); errorMsg = RECV_LOGIN_ANSWER_ERROR; @@ -286,9 +313,6 @@ else int NETTRANSACT::TxLoginS() { char loginZ[ADM_LOGIN_LEN]; -char ct[ENC_MSG_LEN]; -int ret; - memset(loginZ, 0, ADM_LOGIN_LEN); strncpy(loginZ, login.c_str(), ADM_LOGIN_LEN); @@ -297,9 +321,9 @@ EnDecodeInit(password.c_str(), PASSWD_LEN, &ctx); for (int j = 0; j < ADM_LOGIN_LEN / ENC_MSG_LEN; j++) { - EncodeString(ct, loginZ + j*ENC_MSG_LEN, &ctx); - ret = send(outerSocket, ct, ENC_MSG_LEN, 0); - if (ret <= 0) + char ct[ENC_MSG_LEN]; + EncodeString(ct, loginZ + j * ENC_MSG_LEN, &ctx); + if (send(outerSocket, ct, ENC_MSG_LEN, 0) <= 0) { errorMsg = SEND_LOGIN_ERROR; return st_send_fail; @@ -311,11 +335,9 @@ return st_ok; //--------------------------------------------------------------------------- int NETTRANSACT::RxLoginSAnswer() { -char buffer[sizeof(OK_LOGINS)+1]; -int ret; +char buffer[sizeof(OK_LOGINS) + 1]; -ret = recv(outerSocket, buffer, strlen(OK_LOGINS), 0); -if (ret <= 0) +if (recv(outerSocket, buffer, strlen(OK_LOGINS), 0) <= 0) { printf("Receive secret login answer error: '%s'\n", strerror(errno)); errorMsg = RECV_LOGIN_ANSWER_ERROR; @@ -341,76 +363,32 @@ else } } //--------------------------------------------------------------------------- -int NETTRANSACT::TxData(const char * text) +int NETTRANSACT::TxData(const std::string & text) { -char textZ[ENC_MSG_LEN]; -char ct[ENC_MSG_LEN]; -int ret; -int j; - -int n = strlen(text) / ENC_MSG_LEN; -int r = strlen(text) % ENC_MSG_LEN; - BLOWFISH_CTX ctx; EnDecodeInit(password.c_str(), PASSWD_LEN, &ctx); -for (j = 0; j < n; j++) +size_t pos = 0; +while (pos < text.size()) { - strncpy(textZ, text + j*ENC_MSG_LEN, ENC_MSG_LEN); + char textZ[ENC_MSG_LEN]; + if (text.size() - pos < ENC_MSG_LEN) + memset(textZ, 0, ENC_MSG_LEN); + strncpy(textZ, text.c_str() + pos, std::min(ENC_MSG_LEN, (int)(text.size() - pos))); + char ct[ENC_MSG_LEN]; EncodeString(ct, textZ, &ctx); - ret = send(outerSocket, ct, ENC_MSG_LEN, 0); - if (ret <= 0) + if (send(outerSocket, ct, ENC_MSG_LEN, 0) <= 0) { errorMsg = SEND_DATA_ERROR; return st_send_fail; } - } - -memset(textZ, 0, ENC_MSG_LEN); -if (r) - strncpy(textZ, text + j*ENC_MSG_LEN, ENC_MSG_LEN); - -EnDecodeInit(password.c_str(), PASSWD_LEN, &ctx); - -EncodeString(ct, textZ, &ctx); -ret = send(outerSocket, ct, ENC_MSG_LEN, 0); -if (ret <= 0) - { - errorMsg = SEND_DATA_ERROR; - return st_send_fail; + pos += ENC_MSG_LEN; } return st_ok; } //--------------------------------------------------------------------------- -int NETTRANSACT::TxData(char * data) -{ -char buff[ENC_MSG_LEN]; -char buffS[ENC_MSG_LEN]; -char passwd[ADM_PASSWD_LEN]; - -memset(passwd, 0, ADM_PASSWD_LEN); -strncpy(passwd, password.c_str(), ADM_PASSWD_LEN); -memset(buff, 0, ENC_MSG_LEN); - -int l = strlen(data)/ENC_MSG_LEN; -if (strlen(data)%ENC_MSG_LEN) - l++; - -BLOWFISH_CTX ctx; -EnDecodeInit(passwd, PASSWD_LEN, &ctx); - -for (int j = 0; j < l; j++) - { - strncpy(buff, &data[j*ENC_MSG_LEN], ENC_MSG_LEN); - EncodeString(buffS, buff, &ctx); - send(outerSocket, buffS, ENC_MSG_LEN, 0); - } - -return 0; -} -//--------------------------------------------------------------------------- -int NETTRANSACT::RxDataAnswer() +int NETTRANSACT::RxDataAnswer(CALLBACK callback, void * data) { BLOWFISH_CTX ctx; EnDecodeInit(password.c_str(), PASSWD_LEN, &ctx); @@ -447,8 +425,8 @@ while (true) if (chunk.length() > MAX_XML_CHUNK_LENGTH || final) { - if (RxCallBack != NULL) - if (!RxCallBack(dataRxCallBack, chunk, final)) + if (callback) + if (!callback(chunk, final, data)) return st_xml_parse_error; chunk.clear(); } @@ -457,15 +435,3 @@ while (true) return st_ok; } } -//--------------------------------------------------------------------------- -void NETTRANSACT::SetRxCallback(void * data, RxCallback_t cb) -{ -RxCallBack = cb; -dataRxCallBack = data; -} -//--------------------------------------------------------------------------- -const std::string & NETTRANSACT::GetError() const -{ -return errorMsg; -} -//---------------------------------------------------------------------------