X-Git-Url: https://git.stg.codes/stg.git/blobdiff_plain/3fc5aa9ace37067af19ee3c1a1a0da2473cd9455..3b2845cf10baf62eca34f9168c7aede488305885:/projects/stargazer/plugins/configuration/sgconfig/rsconf.cpp diff --git a/projects/stargazer/plugins/configuration/sgconfig/rsconf.cpp b/projects/stargazer/plugins/configuration/sgconfig/rsconf.cpp index 98128832..e34f82a5 100644 --- a/projects/stargazer/plugins/configuration/sgconfig/rsconf.cpp +++ b/projects/stargazer/plugins/configuration/sgconfig/rsconf.cpp @@ -14,26 +14,29 @@ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ -/******************************************************************* -* -* DESCRIPTION: æÁÊÌ Ó ÏÓÎÏ×ÎÙÍÉ ÆÕÎËÃÉÑÍÉ ÄÌÑ ÓÅÔÅ×ÏÇÏ ÏÂÍÅÎÁ ÄÁÎÎÙÍÉ -* Ó ÍÅÎÅÄÖÅÒÏÍ ËÌÉÅÎÔÏ×. ðÒÉÅÍ, ÐÅÒÅÄÁÞÁ É ÛÉÆÒÏ×ÁÎÉÅ ÓÏÏÂÝÅÎÉÊ. -* -* AUTHOR: Boris Mikhailenko -* -* $Revision: 1.24 $ -* $Date: 2010/10/04 20:24:54 $ -* -*******************************************************************/ - -#include // cloase, usleep +/* + * Author : Boris Mikhailenko + */ + +#include "configproto.h" + +#include "parser.h" + +#include "stg/admins.h" +#include "stg/logger.h" +#include "stg/common.h" +#include "stg/blowfish.h" #include #include #include // snprintf +#include // strerror -#include "configproto.h" -#include "blowfish.h" +#include // close +#include +#include +#include +#include #ifndef ENODATA // FreeBSD 4.* - suxx @@ -57,7 +60,6 @@ enum //----------------------------------------------------------------------------- int CONFIGPROTO::Prepare() { -list ansList; //óÀÄÁ ÂÕÄÅÔ ÐÏÍÅÝÅÎ ÏÔ×ÅÔ ÄÌÑ ÍÅÎÅÄÖÅÒÁ ËÌÉÅÎÔÏ× int res; struct sockaddr_in listenAddr; @@ -74,6 +76,7 @@ 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 +88,8 @@ 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 +98,7 @@ 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 +106,7 @@ res = listen(listenSocket, 0); if (res == -1) { errorStr = "Listen admin socket failed"; + logger("Cannot listen the socket: %s", strerror(errno)); return -1; } @@ -129,113 +135,97 @@ close(sock); return 0; } //----------------------------------------------------------------------------- -// æÕÎËÃÉÑ ÏÂÝÅÎÉÑ Ó ËÏÎÆÉÇÕÒÁÔÏÒÏÍ -void * CONFIGPROTO::Run(void * a) +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 - */ - -CONFIGPROTO * cp = (CONFIGPROTO*)a; -cp->state = confHdr; +state = confHdr; -while (cp->nonstop) +while (nonstop) { - cp->state = confHdr; + state = confHdr; struct sockaddr_in outerAddr; socklen_t outerAddrLen(sizeof(outerAddr)); - int outerSocket = accept(cp->listenSocket, + int outerSocket = accept(listenSocket, (struct sockaddr*)(&outerAddr), &outerAddrLen); - if (!cp->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; } - cp->adminIP = *(unsigned int*)&(outerAddr.sin_addr); - - printfd(__FILE__, "Connection accepted from %s\n", inet_ntostring(outerAddr.sin_addr.s_addr).c_str()); + adminIP = *(unsigned int*)&(outerAddr.sin_addr); - if (cp->state == confHdr) + if (state == confHdr) { - if (cp->RecvHdr(outerSocket) < 0) + if (RecvHdr(outerSocket) < 0) { close(outerSocket); continue; } - if (cp->state == confLogin) + if (state == confLogin) { - if (cp->SendHdrAnswer(outerSocket, ans_ok) < 0) + if (SendHdrAnswer(outerSocket, ans_ok) < 0) { close(outerSocket); continue; } - - if (cp->RecvLogin(outerSocket) < 0) + if (RecvLogin(outerSocket) < 0) { close(outerSocket); continue; } - - if (cp->state == confLoginCipher) + if (state == confLoginCipher) { - if (cp->SendLoginAnswer(outerSocket, ans_ok) < 0) + if (SendLoginAnswer(outerSocket) < 0) { close(outerSocket); continue; } - if (cp->RecvLoginS(outerSocket) < 0) + if (RecvLoginS(outerSocket) < 0) { close(outerSocket); continue; } - - if (cp->state == confData) + if (state == confData) { - if (cp->SendLoginSAnswer(outerSocket, ans_ok) < 0) + if (SendLoginSAnswer(outerSocket, ans_ok) < 0) { close(outerSocket); continue; } - if (cp->RecvData(outerSocket) < 0) + if (RecvData(outerSocket) < 0) { close(outerSocket); continue; } - cp->state = confHdr; + state = confHdr; } else { - if (cp->SendLoginSAnswer(outerSocket, ans_err) < 0) + if (SendLoginSAnswer(outerSocket, ans_err) < 0) { close(outerSocket); continue; } - cp->WriteLogAccessFailed(cp->adminIP); + WriteLogAccessFailed(adminIP); } } else { - cp->WriteLogAccessFailed(cp->adminIP); + WriteLogAccessFailed(adminIP); } } else { - cp->WriteLogAccessFailed(cp->adminIP); - if (cp->SendHdrAnswer(outerSocket, ans_err) < 0) + WriteLogAccessFailed(adminIP); + if (SendHdrAnswer(outerSocket, ans_err) < 0) { close(outerSocket); continue; @@ -244,28 +234,36 @@ while (cp->nonstop) } else { - cp->WriteLogAccessFailed(cp->adminIP); + WriteLogAccessFailed(adminIP); } + printfd(__FILE__, "Successfull connection from %s\n", inet_ntostring(outerAddr.sin_addr.s_addr).c_str()); close(outerSocket); } - -return NULL; } //----------------------------------------------------------------------------- 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(sock, "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))) @@ -275,7 +273,7 @@ if (0 == strncmp(buf, STG_HEADER, strlen(STG_HEADER))) } else { - SendError("Bad request"); + SendError(sock, "Bad request"); } state = confHdr; @@ -284,23 +282,19 @@ 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; } } @@ -310,50 +304,49 @@ 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; + } -if (admins->FindAdmin(login, &currAdmin)) + pos += ret; +} + +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; @@ -362,41 +355,43 @@ 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; } -EnDecodeInit(currAdmin->GetPassword().c_str(), ADM_PASSWD_LEN, &ctx); +BLOWFISH_CTX ctx; +InitContext(currAdmin->GetPassword().c_str(), ADM_PASSWD_LEN, &ctx); -for (int i = 0; i < ADM_LOGIN_LEN/8; i++) - { - DecodeString(login + i*8, loginS + i*8, &ctx); - } +char login[ADM_LOGIN_LEN + 1]; +for (size_t i = 0; i < ADM_LOGIN_LEN / 8; i++) + DecryptBlock(login + i * 8, loginS + i * 8, &ctx); if (currAdmin == admins->GetNoAdmin()) { @@ -412,28 +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; } } @@ -442,118 +434,90 @@ return 0; //----------------------------------------------------------------------------- int CONFIGPROTO::RecvData(int sock) { -int ret; -char bufferS[8]; -char buffer[9]; - -buffer[8] = 0; - requestList.clear(); BLOWFISH_CTX ctx; -EnDecodeInit(currAdmin->GetPassword().c_str(), ADM_PASSWD_LEN, &ctx); +InitContext(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; } - DecodeString(buffer, bufferS, &ctx); - requestList.push_back(std::string(buffer, total)); + char buffer[8]; + buffer[7] = 0; - if (done || memchr(buffer, 0, total) != NULL) + DecryptBlock(buffer, bufferS, &ctx); + requestList.push_back(std::string(buffer, pos)); + + if (done || memchr(buffer, 0, pos) != NULL) { - // ëÏÎÅà ÐÏÓÙÌËÉ + // End of data if (ParseCommand()) - { - SendError("Bad command"); - } - return SendDataAnswer(sock); + return SendError(sock, "Bad command"); + else + return SendDataAnswer(sock, GetDataAnswer()); } } -return 0; +//return 0; } //----------------------------------------------------------------------------- -int CONFIGPROTO::SendDataAnswer(int sock) +int CONFIGPROTO::SendDataAnswer(int sock, const std::string & answer) { -list::iterator li; -li = answerList.begin(); +if (answer.empty()) + return 0; BLOWFISH_CTX ctx; +InitContext(adminPassword.c_str(), ADM_PASSWD_LEN, &ctx); -char buff[8]; -char buffS[8]; -int n = 0; -int k = 0; -int ret = 0; - -EnDecodeInit(currAdmin->GetPassword().c_str(), ADM_PASSWD_LEN, &ctx); - -while (li != answerList.end()) +std::string::size_type pos = 0; +std::string::size_type length = answer.length() + 1; +while (pos < length) { - while ((*li).c_str()[k]) - { - buff[n%8] = (*li).c_str()[k]; - n++; - k++; - - if (n%8 == 0) - { - EncodeString(buffS, buff, &ctx); - ret = send(sock, buffS, 8, 0); - if (ret < 0) - { - return -1; - } - } - } - k = 0;// new node - ++li; + char buffer[1024]; + std::string::size_type chunkLength = std::min(length - pos, sizeof(buffer)); + EncryptString(buffer, answer.c_str() + pos, chunkLength, &ctx); + if (send(sock, buffer, (chunkLength & ~7) < chunkLength ? chunkLength + 8 : chunkLength, 0) < 0) // Need to send data adjusted to the 8-byte boundary. + return -1; + pos += chunkLength; } -if (answerList.empty()) { - return 0; -} - -buff[n%8] = 0; -EncodeString(buffS, buff, &ctx); - -answerList.clear(); - -return send(sock, buffS, 8, 0); +return 1; } //----------------------------------------------------------------------------- -void CONFIGPROTO::SendError(const char * text) +int CONFIGPROTO::SendError(int sock, const std::string & text) { -char s[255]; -answerList.clear(); -snprintf(s, 255, "", text); -answerList.push_back(s); +return SendDataAnswer(sock, ""); } //----------------------------------------------------------------------------- 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()); } //-----------------------------------------------------------------------------