FTPSERVER服务器端程序

#include "stdafx.h" #include "CFtpd.h" #include "FtpdPi.h" #define CRLF "\r\n" #ifdef _DEBUG #define new DEBUG_NEW #undef THIS_FILE static char THIS_FILE[] = __FILE__; #endif char sadr2[32]; bool canclePasvListenSocket(CFtpPasvSrv* sck) { try { sck->Close(); delete sck; return true; } catch(...) { } return false; } bool deleFtpPI(CFtpdPi* sck) { try { CFtpd* K = (CFtpd*) sck->pFtpd; K->RemoveClient(sck); } catch(...) { } return true; } UINT thFtpCmd( LPVOID pParam ) { ((CFtpdPi*)pParam)->ProcessMsg(((CFtpdPi*)pParam)->bufcmd); return 1; } UINT thSendData( LPVOID pParam) { CFtpdPi* pFtpBind = (CFtpdPi*) pParam; CFile* inFile = NULL; try { char path[256] = ""; strcpy(path,pFtpBind->RemoveLeadingSpace(pFtpBind->curCmdth+5)); char srcPath[300] = ""; if(strcmp(pFtpBind->vCurrentDir,"/")==0) wsprintf(srcPath,"%s%s%s",pFtpBind->vRealRoot,pFtpBind->vCurrentDir,path); else wsprintf(srcPath,"%s%s\\%s",pFtpBind->vRealRoot,pFtpBind->vCurrentDir,path); pFtpBind->slashFix(srcPath); if(pFtpBind->isFilePresent(path)) { bool b_opened = true; try { if(pFtpBind->type == 1) inFile = new CFile(srcPath,CFile::modeRead|CFile::shareDenyNone|CFile::typeBinary);//CStdioFile(srcPath,CFile::modeRead|CFile::shareDenyNone|CFile::typeText); else if(pFtpBind->type == 3) inFile = new CFile(srcPath,CFile::modeRead|CFile::shareDenyNone|CFile::typeBinary); } catch(...) { b_opened = false; } if(b_opened) { long flen = inFile->GetLength(); if(pFtpBind->restart_marker > 0) { inFile->Seek(pFtpBind->restart_marker,CFile::begin); pFtpBind->restart_marker = 0; } long nCount = 0; if(pFtpBind->type == 1) wsprintf(pFtpBind->str,"150 Sending %s (%u bytes). Mode STREAM Type ASCII%s",path,flen,CRLF); else if(pFtpBind->type == 3) wsprintf(pFtpBind->str,"150 Sending %s (%u bytes). Mode STREAM Type BINARY%s",path,flen,CRLF); pFtpBind->Send(pFtpBind->str,strlen(pFtpBind->str),0); if(flen) { long bytesent = 0; long offset = 0; DWORD start,end; do { if(flen > pFtpBind->m_buf_length_out) nCount = inFile->Read(pFtpBind->lpDataBuf_out,pFtpBind->m_buf_length_out); else nCount = inFile->Read(pFtpBind->lpDataBuf_out,flen); flen = flen - nCount; if(pFtpBind->b_speed_limit_out) { bytesent = 0; offset = 0; HANDLE h = CreateEvent(NULL,false,false,"noname"); do { start = GetTickCount(); if((nCount-offset) > pFtpBind->m_buf_length_out) bytesent = pFtpBind->dbsocket->Send((char*)pFtpBind->lpDataBuf_out+offset,pFtpBind->m_buf_length_out,60); else bytesent = pFtpBind->dbsocket->Send((char*)pFtpBind->lpDataBuf_out+offset,nCount-offset,60); offset = offset + bytesent; end = GetTickCount(); if((end-start) < 1000) { int time = end-start; WaitForSingleObject(h,1000-time); } }while(offset < nCount); } else { bytesent = 0; offset = 0; do { if((nCount-offset) > pFtpBind->m_buf_length_out) bytesent = pFtpBind->dbsocket->Send((char*)pFtpBind->lpDataBuf_out+offset,pFtpBind->m_buf_length_out,60); else bytesent = pFtpBind->dbsocket->Send((char*)pFtpBind->lpDataBuf_out+offset,nCount-offset,60); offset = offset + bytesent; }while(offset < nCount); if(pFtpBind->type == 1) { pFtpBind->dbsocket->Send(CRLF,2,60); } } }while(flen != 0); } pFtpBind->dbsocket->Close(); if(pFtpBind->b_passive) pFtpBind->svSocketSrv->Close(); delete inFile; wsprintf(pFtpBind->str,"226 Transfer finished successfully. Data connection closed.%s",CRLF); pFtpBind->Send(pFtpBind->str,strlen(pFtpBind->str),0); SetEvent(pFtpBind->h_inprogress); return true; }else { pFtpBind->dbsocket->Close(); if(pFtpBind->b_passive) pFtpBind->svSocketSrv->Close(); if(inFile != NULL) delete inFile; wsprintf(pFtpBind->str,"426 Connection closed , file opening failed%s",CRLF); pFtpBind->Send(pFtpBind->str,strlen(pFtpBind->str),0); SetEvent(pFtpBind->h_inprogress); } } }catch(...) { inFile->Close(); pFtpBind->dbsocket->Close(); canclePasvListenSocket(pFtpBind->svSocketSrv); delete inFile; wsprintf(pFtpBind->str,"426 Connection closed; transfer aborted (transfer failed)%s",CRLF); pFtpBind->Send(pFtpBind->str,strlen(pFtpBind->str),0); SetEvent(pFtpBind->h_inprogress); return false; } return true; } CFtpdPi::CFtpdPi() { clientIpCount = 0; type = 3; //1 = ascii 2 = ebcdic 3 = binary ipRoller = 0; b_use_bsock = true; b_verbose = true; b_passive = false; b_bell = false; b_prompt = true; b_globbing = true; b_debugging = false; b_hashmark = false; bLOGINOK = false; bUSER = false; bPASS = false; b_speed_limit_out = false; b_speed_limit_in = false; restart_marker = 0; strcpy(vCurrentDir,"/"); strcpy(old_filename,""); strcpy(new_filename,""); strcpy(m_group,"nogroup"); m_buf_length_out = 32768; m_buf_length_in = 32768; lpDataBuf_out = (unsigned char*) malloc(m_buf_length_out); memset(lpDataBuf_out,0,m_buf_length_out); lpDataBuf_in = (unsigned char*) malloc(m_buf_length_in); memset(lpDataBuf_in,0,m_buf_length_in); strcpy(monthStr[1],"Jan"); strcpy(monthStr[2],"Feb"); strcpy(monthStr[3],"Mar"); strcpy(monthStr[4],"Apr"); strcpy(monthStr[5],"May"); strcpy(monthStr[6],"Jun"); strcpy(monthStr[7],"Jul"); strcpy(monthStr[8],"Aug"); strcpy(monthStr[9],"Sep"); strcpy(monthStr[10],"Oct"); strcpy(monthStr[11],"Dec"); strcpy(monthStr[12],"Nov"); sl = sizeof(SOCKADDR_IN); GetLocalTime(&MyTime); if(FileExists(ipfile)) LoadIpRange(); h_inprogress = CreateEvent(NULL,false,true,"in_progress"); h_dbsocket_ready_to_send = CreateEvent(NULL,false,false,"in_progress"); dbsocket = NULL; svSocketSrv = NULL; } CFtpdPi::~CFtpdPi() { free(lpDataBuf_in); free(lpDataBuf_out); if(dbsocket != NULL) { dbsocket->Close(); delete dbsocket; } if(svSocketSrv != NULL) { svSocketSrv->Close(); delete svSocketSrv; } } // Do not edit the following lines, which are needed by ClassWizard. #if 0 BEGIN_MESSAGE_MAP(CFtpdPi, CSocket) //{{AFX_MSG_MAP(CFtpdPi) //}}AFX_MSG_MAP END_MESSAGE_MAP() #endif // 0 void CFtpdPi::OnReceive(int nErrorCode) { unsigned char* bufnow = (unsigned char*)malloc(256); try { memset(bufnow,NULL,256); result = Receive(bufnow,256,0); bool cont = true; int currentPos = 0; if(*(bufnow+1)==0xf2) currentPos = 1; for(int i=0;i<result;i++) { if(*(bufnow+i)==0x0d&&*(bufnow+i+1)==0x0a) { strncpy(bufcmd,(char*)bufnow+currentPos,i-currentPos); *(bufcmd+i-currentPos) = NULL; strcpy(bufcmd_history,bufcmd); AfxBeginThread(&thFtpCmd,this,THREAD_PRIORITY_NORMAL,0,0,NULL); currentPos = i+2; i = i + 1; } } free(bufnow); } catch (...) { delete bufnow; char lpMsgBuf[128]=""; DWORD eRRR = GetLastError(); FormatMessage(FORMAT_MESSAGE_FROM_SYSTEM|FORMAT_MESSAGE_IGNORE_INSERTS,NULL,eRRR,0,lpMsgBuf,128,NULL); char ecp[256]=""; wsprintf(ecp,"%s\\core.ftpd",AppDir); CStdioFile ofs((LPCTSTR) ecp ,CFile::modeWrite|CFile::modeCreate); ofs.WriteString("*---------------------------------------------------------------------------\n"); ofs.WriteString("Exception occurs while processing socket msg\n"); GetLocalTime(&MyTime); wsprintf(ecp,"Thread crashed at %.4d-%.2d-%.2d-%.2d-%.2d\n",MyTime.wYear,MyTime.wMonth,MyTime.wDay,MyTime.wHour,MyTime.wMinute); ofs.WriteString(ecp); ofs.WriteString(lpMsgBuf); ofs