X-Git-Url: https://git.stg.codes/stg.git/blobdiff_plain/0cc864dabe50dc3012380bd957241d508335e1da..d8dedc3fe2ad14db7d4772ebf665ef1d42e63eb1:/projects/stargazer/plugins/configuration/sgconfig/rsconf.cpp?ds=inline diff --git a/projects/stargazer/plugins/configuration/sgconfig/rsconf.cpp b/projects/stargazer/plugins/configuration/sgconfig/rsconf.cpp index 4c26f0d1..9b448f6c 100644 --- a/projects/stargazer/plugins/configuration/sgconfig/rsconf.cpp +++ b/projects/stargazer/plugins/configuration/sgconfig/rsconf.cpp @@ -26,7 +26,7 @@ * *******************************************************************/ -#include // cloase, usleep +#include // close #include #include @@ -57,7 +57,7 @@ enum //----------------------------------------------------------------------------- int CONFIGPROTO::Prepare() { -list ansList; //óÀÄÁ ÂÕÄÅÔ ÐÏÍÅÝÅÎ ÏÔ×ÅÔ ÄÌÑ ÍÅÎÅÄÖÅÒÁ ËÌÉÅÎÔÏ× +std::list ansList; //óÀÄÁ ÂÕÄÅÔ ÐÏÍÅÝÅÎ ÏÔ×ÅÔ ÄÌÑ ÍÅÎÅÄÖÅÒÁ ËÌÉÅÎÔÏ× int res; struct sockaddr_in listenAddr; @@ -74,6 +74,7 @@ listenSocket = socket(PF_INET, SOCK_STREAM, 0); if (listenSocket < 0) { errorStr = "Create NET_CONFIGURATOR socket failed."; + logger("Cannot create a socket: %s", strerror(errno)); return -1; } @@ -85,7 +86,8 @@ int lng = 1; if (0 != setsockopt(listenSocket, SOL_SOCKET, SO_REUSEADDR, &lng, 4)) { - errorStr = "Setsockopt failed. " + string(strerror(errno)); + errorStr = "Setsockopt failed. " + std::string(strerror(errno)); + logger("setsockopt error: %s", strerror(errno)); return -1; } @@ -94,6 +96,7 @@ res = bind(listenSocket, (struct sockaddr*)&listenAddr, sizeof(listenAddr)); if (res == -1) { errorStr = "Bind admin socket failed"; + logger("Cannot bind the socket: %s", strerror(errno)); return -1; } @@ -101,6 +104,7 @@ res = listen(listenSocket, 0); if (res == -1) { errorStr = "Listen admin socket failed"; + logger("Cannot listen the socket: %s", strerror(errno)); return -1; } @@ -129,18 +133,8 @@ close(sock); return 0; } //----------------------------------------------------------------------------- -// æÕÎËÃÉÑ ÏÂÝÅÎÉÑ Ó ËÏÎÆÉÇÕÒÁÔÏÒÏÍ void CONFIGPROTO::Run() { -/* - * Function Name:ReciveSendConf - * Parameters: void * a ÕËÁÚÁÔÅÌØ ÎÁ ÜËÚÅÍÐÌÑÒ ËÌÁÓÓÁ CONFIGPROTO - * Description: üÔÁ ÆÕÎËÃÉÑ ÏÂÅÓÐÅÞÉ×ÁÅÔ ÓÅÔÅ×ÏÅ ×ÚÁÉÍÏÄÅÊÓÔ×ÉÅ - * Ó íÅÎÅÄÖÅÒÏÍ ëÌÉÅÎÔÏ×. ÷ ÅÅ ÚÁÄÁÞÉ ×ÈÏÄÉÔ: ÐÒÉÅÍ ÚÁÐÒÏÓÏ× ÐÏ TCP/IP - * ÉÈ ÒÁÓÛÉÆÒÏ×ËÁ, ÐÅÒÅÄÁÞÁ ÐÒÉÎÑÔÙÈ ÄÁÎÎÙÈ ÁÎÁÌÉÚÁÔÏÒÕ É ÏÔÐÒÁ×ËÁ ÏÔ×ÅÔÁ ÎÁÚÁÄ. - * Returns: ×ÏÚ×ÒÁÝÁÅÔ NULL - */ - state = confHdr; while (nonstop) @@ -154,20 +148,18 @@ while (nonstop) if (!nonstop) { - continue; + break; } - if (outerSocket == -1) + if (outerSocket < 0) { + logger("accept error: %s", strerror(errno)); printfd(__FILE__, "accept failed\n"); - usleep(100000); continue; } adminIP = *(unsigned int*)&(outerAddr.sin_addr); - printfd(__FILE__, "Connection accepted from %s\n", inet_ntostring(outerAddr.sin_addr.s_addr).c_str()); - if (state == confHdr) { if (RecvHdr(outerSocket) < 0) @@ -182,16 +174,14 @@ while (nonstop) close(outerSocket); continue; } - if (RecvLogin(outerSocket) < 0) { close(outerSocket); continue; } - if (state == confLoginCipher) { - if (SendLoginAnswer(outerSocket, ans_ok) < 0) + if (SendLoginAnswer(outerSocket) < 0) { close(outerSocket); continue; @@ -201,7 +191,6 @@ while (nonstop) close(outerSocket); continue; } - if (state == confData) { if (SendLoginSAnswer(outerSocket, ans_ok) < 0) @@ -245,6 +234,7 @@ while (nonstop) { WriteLogAccessFailed(adminIP); } + printfd(__FILE__, "Successfull connection from %s\n", inet_ntostring(outerAddr.sin_addr.s_addr).c_str()); close(outerSocket); } } @@ -253,16 +243,25 @@ int CONFIGPROTO::RecvHdr(int sock) { char buf[sizeof(STG_HEADER)]; memset(buf, 0, sizeof(STG_HEADER)); -int ret; -int stgHdrLen = strlen(STG_HEADER); -for (int i = 0; i < stgHdrLen; i++) +size_t stgHdrLen = sizeof(STG_HEADER) - 1; // Without 0-char +size_t pos = 0; +while (pos < stgHdrLen) { - ret = recv(sock, &buf[i], 1, 0); + if (!WaitPackets(sock)) + { + state = confHdr; + SendError("Bad request"); + return -1; + } + ssize_t ret = recv(sock, &buf[pos], static_cast(stgHdrLen) - static_cast(pos), 0); if (ret <= 0) { + if (ret < 0) + logger("recv error: %s", strerror(errno)); state = confHdr; return -1; } + pos += ret; } if (0 == strncmp(buf, STG_HEADER, strlen(STG_HEADER))) @@ -281,23 +280,19 @@ return -1; //----------------------------------------------------------------------------- int CONFIGPROTO::SendHdrAnswer(int sock, int err) { -int ret; - if (err) { - ret = send(sock, ERR_HEADER, sizeof(ERR_HEADER)-1, 0); - if (ret < 0) + if (send(sock, ERR_HEADER, sizeof(ERR_HEADER) - 1, 0) < 0) { - WriteServLog("send ERR_HEADER error in SendHdrAnswer."); + logger("send error: %s", strerror(errno)); return -1; } } else { - ret = send(sock, OK_HEADER, sizeof(OK_HEADER)-1, 0); - if (ret < 0) + if (send(sock, OK_HEADER, sizeof(OK_HEADER) - 1, 0) < 0) { - WriteServLog("send OK_HEADER error in SendHdrAnswer."); + logger("send error: %s", strerror(errno)); return -1; } } @@ -307,50 +302,49 @@ return 0; //----------------------------------------------------------------------------- int CONFIGPROTO::RecvLogin(int sock) { -char login[ADM_LOGIN_LEN+1]; -int ret; +char login[ADM_LOGIN_LEN + 1]; memset(login, 0, ADM_LOGIN_LEN + 1); -ret = recv(sock, login, ADM_LOGIN_LEN, 0); +size_t pos = 0; +while (pos < ADM_LOGIN_LEN) { + if (!WaitPackets(sock)) + { + state = confHdr; + return ENODATA; + } -if (ret < 0) - { - // Error in network - close(sock); - state = confHdr; - return ENODATA; - } + ssize_t ret = recv(sock, &login[pos], ADM_LOGIN_LEN - static_cast(pos), 0); -if (ret < ADM_LOGIN_LEN) - { - // Error in protocol - close(sock); - state = confHdr; - return ENODATA; - } + if (ret <= 0) + { + // Error in network + logger("recv error: %s", strerror(errno)); + state = confHdr; + return ENODATA; + } + + pos += ret; +} -if (admins->FindAdmin(login, &currAdmin)) +if (admins->Find(login, &currAdmin)) { // Admin not found - close(sock); state = confHdr; return ENODATA; } + currAdmin->SetIP(adminIP); adminLogin = login; state = confLoginCipher; return 0; } //----------------------------------------------------------------------------- -int CONFIGPROTO::SendLoginAnswer(int sock, int) +int CONFIGPROTO::SendLoginAnswer(int sock) { -int ret; - -ret = send(sock, OK_LOGIN, sizeof(OK_LOGIN)-1, 0); -if (ret < 0) +if (send(sock, OK_LOGIN, sizeof(OK_LOGIN) - 1, 0) < 0) { - WriteServLog("Send OK_LOGIN error in SendLoginAnswer."); + logger("Send OK_LOGIN error in SendLoginAnswer."); return -1; } return 0; @@ -359,40 +353,44 @@ return 0; int CONFIGPROTO::RecvLoginS(int sock) { char loginS[ADM_LOGIN_LEN + 1]; -char login[ADM_LOGIN_LEN + 1]; -int ret; -BLOWFISH_CTX ctx; memset(loginS, 0, ADM_LOGIN_LEN + 1); -int total = 0; - -while (total < ADM_LOGIN_LEN) +size_t pos = 0; +while (pos < ADM_LOGIN_LEN) { - ret = recv(sock, &loginS[total], ADM_LOGIN_LEN - total, 0); + if (!WaitPackets(sock)) + { + state = confHdr; + return ENODATA; + } + + ssize_t ret = recv(sock, &loginS[pos], ADM_LOGIN_LEN - static_cast(pos), 0); - if (ret < 0) + if (ret <= 0) { // Network error printfd(__FILE__, "recv error: '%s'\n", strerror(errno)); - close(sock); + logger("recv error: %s", strerror(errno)); state = confHdr; return ENODATA; } - total += ret; + pos += ret; } -if (currAdmin->GetLogin() == "") +if (currAdmin->GetLogin().empty()) { state = confHdr; return ENODATA; } +BLOWFISH_CTX ctx; EnDecodeInit(currAdmin->GetPassword().c_str(), ADM_PASSWD_LEN, &ctx); -for (int i = 0; i < ADM_LOGIN_LEN/8; i++) +char login[ADM_LOGIN_LEN + 1]; +for (size_t i = 0; i < ADM_LOGIN_LEN / 8; i++) { - DecodeString(login + i*8, loginS + i*8, &ctx); + DecodeString(login + i * 8, loginS + i * 8, &ctx); } if (currAdmin == admins->GetNoAdmin()) @@ -409,28 +407,25 @@ if (strncmp(currAdmin->GetLogin().c_str(), login, ADM_LOGIN_LEN) != 0) } state = confData; +adminPassword = currAdmin->GetPassword(); return 0; } //----------------------------------------------------------------------------- int CONFIGPROTO::SendLoginSAnswer(int sock, int err) { -int ret; - if (err) { - ret = send(sock, ERR_LOGINS, sizeof(ERR_LOGINS)-1, 0); - if (ret < 0) + if (send(sock, ERR_LOGINS, sizeof(ERR_LOGINS) - 1, 0) < 0) { - WriteServLog("send ERR_LOGIN error in SendLoginAnswer."); + logger("send error: %s", strerror(errno)); return -1; } } else { - ret = send(sock, OK_LOGINS, sizeof(OK_LOGINS)-1, 0); - if (ret < 0) + if (send(sock, OK_LOGINS, sizeof(OK_LOGINS) - 1, 0) < 0) { - WriteServLog("send OK_LOGINS error in SendLoginSAnswer."); + logger("send error: %s", strerror(errno)); return -1; } } @@ -439,12 +434,6 @@ return 0; //----------------------------------------------------------------------------- int CONFIGPROTO::RecvData(int sock) { -int ret; -char bufferS[8]; -char buffer[9]; - -buffer[8] = 0; - requestList.clear(); BLOWFISH_CTX ctx; @@ -452,36 +441,44 @@ EnDecodeInit(currAdmin->GetPassword().c_str(), ADM_PASSWD_LEN, &ctx); while (1) { - int total = 0; bool done = false; - while (total < 8) + char bufferS[8]; + size_t pos = 0; + while (pos < sizeof(bufferS)) { - ret = recv(sock, &bufferS[total], 8 - total, 0); + if (!WaitPackets(sock)) + { + done = true; + break; + } + + ssize_t ret = recv(sock, &bufferS[pos], sizeof(bufferS) - static_cast(pos), 0); if (ret < 0) { // Network error - close(sock); - return 0; + logger("recv error: %s", strerror(errno)); + printfd(__FILE__, "recv error: '%s'\n", strerror(errno)); + return -1; } - if (ret < 8) + if (ret == 0) { - if (memchr(buffer, 0, ret) != NULL) - { - done = true; - break; - } + done = true; + break; } - total += ret; + pos += ret; } + char buffer[8]; + buffer[7] = 0; + DecodeString(buffer, bufferS, &ctx); - requestList.push_back(std::string(buffer, total)); + requestList.push_back(std::string(buffer, pos)); - if (done || memchr(buffer, 0, total) != NULL) + if (done || memchr(buffer, 0, pos) != NULL) { - // ëÏÎÅà ÐÏÓÙÌËÉ + // End of data if (ParseCommand()) { SendError("Bad command"); @@ -489,12 +486,12 @@ while (1) return SendDataAnswer(sock); } } -return 0; +//return 0; } //----------------------------------------------------------------------------- int CONFIGPROTO::SendDataAnswer(int sock) { -list::iterator li; +std::list::iterator li; li = answerList.begin(); BLOWFISH_CTX ctx; @@ -503,22 +500,21 @@ char buff[8]; char buffS[8]; int n = 0; int k = 0; -int ret = 0; -EnDecodeInit(currAdmin->GetPassword().c_str(), ADM_PASSWD_LEN, &ctx); +EnDecodeInit(adminPassword.c_str(), ADM_PASSWD_LEN, &ctx); while (li != answerList.end()) { while ((*li).c_str()[k]) { - buff[n%8] = (*li).c_str()[k]; + buff[n % 8] = (*li).c_str()[k]; n++; k++; - if (n%8 == 0) + if (n % 8 == 0) { EncodeString(buffS, buff, &ctx); - ret = send(sock, buffS, 8, 0); + int ret = static_cast(send(sock, buffS, 8, 0)); if (ret < 0) { return -1; @@ -533,12 +529,12 @@ if (answerList.empty()) { return 0; } -buff[n%8] = 0; +buff[n % 8] = 0; EncodeString(buffS, buff, &ctx); answerList.clear(); -return send(sock, buffS, 8, 0); +return static_cast(send(sock, buffS, 8, 0)); } //----------------------------------------------------------------------------- void CONFIGPROTO::SendError(const char * text) @@ -551,6 +547,6 @@ answerList.push_back(s); //----------------------------------------------------------------------------- void CONFIGPROTO::WriteLogAccessFailed(uint32_t ip) { -WriteServLog("Admin's connect failed. IP %s", inet_ntostring(ip).c_str()); +logger("Admin's connection failed. IP %s", inet_ntostring(ip).c_str()); } //-----------------------------------------------------------------------------