标题:
一个简单的静态web服务端程序(不断改进中)
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作者:
x86
时间:
2005-10-2 01:22
标题:
一个简单的静态web服务端程序(不断改进中)
[这个贴子最后由x86在 2005/11/30 08:55pm 第 10 次编辑] #pragma comment(lib,"Ws2_32.lib") #include
#include
#include
#define SIO_RCVALL _WSAIOW(IOC_VENDOR,1) SOCKETTranSock[64]; structsockaddr_in client[64]; struct _SYSTEMTIME currenttime; DWORD CurrentTickCount = 0; long SynLinkTotal = 0; struct SynInfo{ unsigned long ip; DWORD arrivetickcount; struct SynInfo * next; }; char respondfilename[20] = "message.htm"; char messagehtm[20] = "messagetijiao.htm"; struct SynInfo *head; struct SynInfo *tail; struct SynInfo *fence; int WaitTime = 600; HANDLE ReadEvent = CreateEvent(NULL,TRUE,FALSE,NULL) ; HANDLE WriteEvent = CreateEvent(NULL,TRUE,FALSE,NULL); DWORDWINAPIRecv_Send_Thread( DWORD* socketindex ); DWORD WINAPI SynFloodDefend(char *temp); DWORD WINAPI CheckLinkThread() { DWORD dwResult=0; struct SynInfo *temp , *temptofree; while(TRUE) { temp = head; dwResult = WaitForSingleObject(ReadEvent,1000); if(dwResult == WAIT_TIMEOUT ) continue; ResetEvent(WriteEvent); while( temp->next != NULL) { if(CurrentTickCount >= temp->next->arrivetickcount) {temptofree = temp->next; temp->next = temptofree->next; free(temptofree); InterlockedDecrement(&SynLinkTotal);//SynLinkTotal-- printf("-1\n"); printf("%d\n",SynLinkTotal); } temp = temp->next; } SetEvent(WriteEvent); ResetEvent(ReadEvent); Sleep(1); } return 0; } DWORD WINAPI GetTime() { while(TRUE) {GetLocalTime(¤ttime); CurrentTickCount = GetTickCount(); Sleep(1); } } int main( void ) { DWORDwerror; WSADATA wsadata; SOCKETlistensocket; HOSTENT *host; HANDLE mesfp; structsockaddr_in serv_listen; charhostname[128]; DWORD index = 0; DWORD indextemp[64]; char * myip; intclen = sizeof(struct sockaddr); memset( &serv_listen , 0 , clen ); memset( &client ,0 , clen * 64 ); char messtijiao[]="
留言本
" "
" "欢迎来到KIKI';S WEB空间(呢称不超过10个汉字或者30字母) @_@.." "
" "
" "
" "
请在这里输入你的留言(不超过400汉字或者1200字母):)
" "
" "
" "
"; char mesfphtm[] = "" "
" "欢迎来到KIKI';S WEB空间 @_@.." "
"; mesfp = CreateFile(messagehtm, GENERIC_WRITE, 0, (LPSECURITY_ATTRIBUTES)NULL, CREATE_NEW, FILE_ATTRIBUTE_NORMAL, NULL); if( mesfp != INVALID_HANDLE_VALUE ) {WriteFile(mesfp,messtijiao,strlen(messtijiao),&werror,NULL); CloseHandle(mesfp); } mesfp = CreateFile(respondfilename, GENERIC_WRITE, 0, (LPSECURITY_ATTRIBUTES)NULL, CREATE_NEW, FILE_ATTRIBUTE_NORMAL, NULL); if( mesfp != INVALID_HANDLE_VALUE ) {WriteFile(mesfp,mesfphtm,strlen(mesfphtm),&werror,NULL); CloseHandle(mesfp); } char IpDefendFileName[20] = "IpDefend.txt"; FILE *fp; fp = fopen(IpDefendFileName,"rb"); if(fp == NULL) {printf("创建ip列表文件错误!\n"); exit(0); } werror = WSAStartup( MAKEWORD(2,2) , &wsadata ); if( werror != 0 ) {printf("Load winsock dll failed!\n"); exit(0); } werror = gethostname( hostname , 20 ); if( werror == SOCKET_ERROR ) {printf( "Get host name error!\n" ); exit(0); } host=gethostbyname( hostname ); if( host == NULL ) {printf( "Get host by name failed!\n" ); exit(0); } listensocket = socket( AF_INET , SOCK_STREAM , IPPROTO_TCP ); if( listensocket == INVALID_SOCKET ) {printf( "Create listen socket error!\n" ); exit(0); } memcpy(&(serv_listen.sin_addr),host->h_addr,host->h_length); serv_listen.sin_family = AF_INET; serv_listen.sin_port = htons(81); myip = inet_ntoa(serv_listen.sin_addr); werror=bind( listensocket , (struct sockaddr*)&serv_listen , clen); if( werror == SOCKET_ERROR ) {printf( "Bind error!\n" ); exit(0); } werror = listen( listensocket , 5 ); if( werror == SOCKET_ERROR ) {printf( " Socket listen error!\n" ); exit(0); } CreateThread(NULL, 0, (LPTHREAD_START_ROUTINE)GetTime, NULL, 0, NULL ); head = (struct SynInfo*)malloc(sizeof(struct SynInfo)); head->arrivetickcount = 0xffffffff; head->ip = 0xffffffff; head->next = NULL; fence = head; CreateThread(NULL, 0, (LPTHREAD_START_ROUTINE)CheckLinkThread, NULL, 0, NULL ); CreateThread(NULL, 0, (LPTHREAD_START_ROUTINE)SynFloodDefend, (PVOID)myip, 0, NULL ); char ipdef[16]; char c; int i = 0; int defendflag = 0; while(1) {if( index == 64 ) index = 0; while( (TranSock[index] !=0xcccccccc) && (TranSock[index] !=-1) && (TranSock[index] !=0) ) { index++; if( index == 64 ) index = 0; } TranSock[index] = accept( listensocket , ( struct sockaddr * )&client[index] , &clen ); if( TranSock[index] == INVALID_SOCKET ) { printf( "Socket Accept Error: %d \n" , WSAGetLastError() ); closesocket( TranSock[index] ); TranSock[index] = 0; continue; } indextemp[index] = index; memset(ipdef,0,16); defendflag = 0; i = 0; while(c = fgetc(fp),c != EOF) { if((c>0x29 && c<0x3a) || (c == 0x2e) || (c == ';\n';) || (c == ';#';) || (c == '; ';) || (c == ';\t';)) {ipdef
= c; if(c == ';\n'; || c == ';#'; || (c == '; ';) || (c == ';\t';)) {ipdef
= 0; i = -1; if(strcmp(ipdef,inet_ntoa(client[index].sin_addr)) == 0) {printf("IP:%s被禁止访问!\n",ipdef); closesocket( TranSock[index] ); TranSock[index] = 0; defendflag = 1; break; } } i++; if(i == 16) i = 0; } } fseek(fp,0,0); if(defendflag == 1) continue; CreateThread( NULL, 0, (LPTHREAD_START_ROUTINE)Recv_Send_Thread, (PVOID)&indextemp[index], 0, NULL ); index++; } fclose(fp); return 0; } //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ // //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ DWORD WINAPI Recv_Send_Thread( DWORD* pindex ) { charrecvmem[2048]; char userid[40]; char message[1600]; charTimeFmr[] = "%d,%d/%d/%d %d:%d:%d GMT"; char MimeType[]= "%s/%s"; char outtime[50]; charType[40]; HANDLEfp; DWORDsocketindex = *( (DWORD *)pindex ); interrorcode = 0; DWORDsendbt=0; char headers[500]; charhdrFmtNor[]= "HTTP/1.0 200 OK\r\n" "Server: KIKI';s Web Server\r\n" "Date: %s\r\n" "Accept-Ranges: bytes\r\n" "Content-Length: %d\r\n" "Content-Type: %s\r\n\r\n"; charhdrFmtDown[]= "HTTP/1.0 206 Partial content\r\n" "Server: KIKI';s Web Server\r\n" "Date: %s\r\n" "Accept-Ranges: bytes\r\n" "Content-Length: %d\r\n" "Content-Type: %s\r\n\r\n"; memset( recvmem , 0 ,2048 ); errorcode = recv( TranSock[socketindex] , recvmem , 2048 , 0 ); if ( errorcode == SOCKET_ERROR || errorcode == 0 ) {printf( "Recv Error: %d\n" , WSAGetLastError() ); closesocket( TranSock[socketindex] ); TranSock[socketindex] = 0; return -1; } char a[2]; DWORD temp1,temp2; DWORD i = 0, j = 0; wsprintf( outtime , TimeFmr , currenttime.wDayOfWeek, currenttime.wDay, currenttime.wMonth , currenttime.wYear , currenttime.wHour , currenttime.wMinute , currenttime.wSecond); int readflag=0,writeflag=0; if(strlen(recvmem) < 5 ||strlen(recvmem) >=1700 ) { printf("这是一组恶意数据\n\n"); send(TranSock[socketindex],"something wrong!please check the error and retry",48,0) ; closesocket(TranSock[socketindex]); TranSock[socketindex] = 0; return -1; } if((recvmem[0] == ';G'; ) && (recvmem[1] == ';E'; ) && (recvmem[2] == ';T'; ) && (recvmem[3] == '; '; ) && (recvmem[4] == ';/'; )) {readflag = 1;} else if(recvmem[0] == ';P'; && recvmem[1] == ';O'; && recvmem[2] == ';S'; && recvmem[3] == ';T'; && recvmem[4] == '; '; && recvmem[5] == ';/'; && recvmem[6] == ';m'; && recvmem[7] == ';e'; && recvmem[8] == ';s'; && recvmem[9] == ';s'; && recvmem[10] == ';a'; && recvmem[11] == ';g'; && recvmem[12] == ';e'; && recvmem[13] == '; '; ) {writeflag = 1;} else { printf("这是一组恶意数据\n\n"); send(TranSock[socketindex],"something wrong!please check the error and retry",48,0) ; closesocket(TranSock[socketindex]); TranSock[socketindex] = 0; return -1; } if(readflag) { charsendfile[1400]; charfilename[50] = "index.htm"; chartempname[10] = "index.htm"; DWORDdwRead = 0; intlen; memset( sendfile , 0 , 1400 ); strcpy( filename , tempname ); if( recvmem[5]!=32 ) { memset(filename,0,50); for(i=5;recvmem
!=32;i++) filename[i-5]=recvmem
; } for( i=0 ; i<50 ; i++ ) if( (filename
==';:';) || (filename
==';*';) || (filename
==';%';) ) {printf( "Time:%s\n%s企图请求的页面文件：%s.\n\n" , outtime , inet_ntoa(client[socketindex].sin_addr) , filename ); send(TranSock[socketindex],"对不起,您访问的页面不存在!",26,0); closesocket(TranSock[socketindex]); TranSock[socketindex] = 0; return -1; } int backcounter=0; int nextcounter=0; for( i=0 ; i<48 ; i++ ) {if((filename
==';.';)&&(filename[i+1]==';.';)&&(filename[i+2]==';/';)) backcounter++; } for( i=0 ; i<50 ; i++ ) {if(filename
==';/';) nextcounter++; } if(!(nextcounter-backcounter-1 >= backcounter)&&(backcounter!=0)&&(nextcounter!=0)) {printf( "Time:%s\n%s企图请求的页面文件：%s.\n\n" , outtime , inet_ntoa(client[socketindex].sin_addr) , filename ); send(TranSock[socketindex],"对不起,您访问的页面不存在!",26,0); closesocket(TranSock[socketindex]); TranSock[socketindex] = 0; return -1; } for( i=0 ; i<49 ; i++ ) if((filename
==';.';)&&(filename[i+1]==';\\';)) {printf( "Time:%s\n%s企图请求的页面文件：%s.\n\n" , outtime , inet_ntoa(client[socketindex].sin_addr) , filename ); send(TranSock[socketindex],"对不起,您访问的页面不存在!",26,0); closesocket(TranSock[socketindex]); TranSock[socketindex] = 0; return -1; } for( i=0 ; i<48 ; i++ ) if((filename
!=';.';)&&(filename[i+1]==';.';)&&(filename[i+2]==';/';)) {printf( "Time:%s\n%s企图请求的页面文件：%s.\n\n" , outtime , inet_ntoa(client[socketindex].sin_addr) , filename ); send(TranSock[socketindex],"对不起,您访问的页面不存在!",26,0); closesocket(TranSock[socketindex]); TranSock[socketindex] = 0; return -1; } i=0; DWORD start; char size[32]; memset(size , 0 , 32); while(i != 1024) {if(recvmem
== ';=';) {i++; while(recvmem
!= ';-';) {size[j] = recvmem
; i++; j++; } break; } else i++; } if(size[0] == 0) start = 0; else start = atol(size); fp = CreateFile(filename, GENERIC_READ, FILE_SHARE_READ, (LPSECURITY_ATTRIBUTES)NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL); if( fp == INVALID_HANDLE_VALUE ) {printf( "%s open file: %s error!\n" , inet_ntoa( client[socketindex].sin_addr ) , filename ); send(TranSock[socketindex],"对不起,您访问的页面不存在!",26,0); closesocket( TranSock[socketindex] ); TranSock[socketindex] = 0; return -1; } i = GetFileSize(fp,NULL); j = i / 1400; len = strlen( filename ); if((filename[len-3]==';h';&&filename[len-2]==';t';&&filename[len-1]==';m';)||\ (filename[len-3]==';H';&&filename[len-2]==';T';&&filename[len-1]==';M';)||\ (filename[len-4]==';h';&&filename[len-3]==';t';&&filename[len-2]==';m';&&filename[len-1]==';l';)||\ (filename[len-4]==';H';&&filename[len-3]==';T';&&filename[len-2]==';M';&&filename[len-1]==';L';)||\ (filename[len-5]==';s';&&filename[len-4]==';h';&&filename[len-3]==';t';&&filename[len-2]==';m';&&filename[len-1]==';l';)||\ (filename[len-5]==';S';&&filename[len-4]==';H';&&filename[len-3]==';T';&&filename[len-2]==';M';&&filename[len-1]==';L';)) wsprintf(Type,MimeType,"text","html"); else if( (filename[len-3]==';j';&&filename[len-2]==';p';&&filename[len-1]==';g';)||\ (filename[len-3]==';J';&&filename[len-2]==';P';&&filename[len-1]==';G';)||\ (filename[len-3]==';j';&&filename[len-2]==';p';&&filename[len-1]==';e';)||\ (filename[len-3]==';J';&&filename[len-2]==';P';&&filename[len-1]==';E';)||\ (filename[len-4]==';j';&&filename[len-3]==';p';&&filename[len-2]==';e';&&filename[len-1]==';g';)||\ (filename[len-4]==';J';&&filename[len-3]==';P';&&filename[len-2]==';E';&&filename[len-1]==';G';)) wsprintf(Type,MimeType,"image","jpeg"); else if( (filename[len-3]==';g';&&filename[len-2]==';i';&&filename[len-1]==';f';)||\ (filename[len-3]==';G';&&filename[len-2]==';I';&&filename[len-1]==';F';)) wsprintf(Type,MimeType,"image","gif"); else if( (filename[len-3]==';c';&&filename[len-2]==';s';&&filename[len-1]==';s';)||\ (filename[len-3]==';C';&&filename[len-2]==';S';&&filename[len-1]==';S';)) wsprintf(Type,MimeType,"text","css"); else if( (filename[len-3]==';t';&&filename[len-2]==';x';&&filename[len-1]==';t';)||\ (filename[len-3]==';T';&&filename[len-2]==';X';&&filename[len-1]==';T';)) wsprintf(Type,MimeType,"text","plain"); else if( (filename[len-3]==';p';&&filename[len-2]==';d';&&filename[len-1]==';f';)||\ (filename[len-3]==';P';&&filename[len-2]==';D';&&filename[len-1]==';F';)) wsprintf(Type,MimeType,"application","pdf"); else if( (filename[len-3]==';s';&&filename[len-2]==';w';&&filename[len-1]==';f';)||\ (filename[len-3]==';S';&&filename[len-2]==';W';&&filename[len-1]==';F';)||\ (filename[len-3]==';c';&&filename[len-2]==';a';&&filename[len-1]==';b';)||\ (filename[len-3]==';C';&&filename[len-2]==';A';&&filename[len-1]==';B';)) wsprintf(Type,MimeType,"application","x-shockwave-flash"); else if( (filename[len-3]==';d';&&filename[len-2]==';o';&&filename[len-1]==';c';)||\ (filename[len-3]==';D';&&filename[len-2]==';O';&&filename[len-1]==';C';)||\ (filename[len-3]==';d';&&filename[len-2]==';o';&&filename[len-1]==';t';)||\ (filename[len-3]==';D';&&filename[len-2]==';O';&&filename[len-1]==';T';)) wsprintf(Type,MimeType,"application","msword"); else if( (filename[len-3]==';h';&&filename[len-2]==';l';&&filename[len-1]==';p';)||\ (filename[len-3]==';H';&&filename[len-2]==';L';&&filename[len-1]==';P';)||\ (filename[len-3]==';c';&&filename[len-2]==';h';&&filename[len-1]==';m';)||\ (filename[len-3]==';C';&&filename[len-2]==';H';&&filename[len-1]==';M';)) wsprintf(Type,MimeType,"application","mshelp"); else if( (filename[len-3]==';x';&&filename[len-2]==';l';&&filename[len-1]==';s';)||\ (filename[len-3]==';X';&&filename[len-2]==';L';&&filename[len-1]==';S';)||\ (filename[len-3]==';x';&&filename[len-2]==';l';&&filename[len-1]==';a';)||\ (filename[len-3]==';X';&&filename[len-2]==';L';&&filename[len-1]==';A';)) wsprintf(Type,MimeType,"application","msexcel"); else if( (filename[len-3]==';p';&&filename[len-2]==';p';&&filename[len-1]==';t';)||\ (filename[len-3]==';P';&&filename[len-2]==';P';&&filename[len-1]==';T';)||\ (filename[len-3]==';p';&&filename[len-2]==';p';&&filename[len-1]==';z';)||\ (filename[len-3]==';P';&&filename[len-2]==';P';&&filename[len-1]==';T';)||\ (filename[len-3]==';p';&&filename[len-2]==';p';&&filename[len-1]==';s';)||\ (filename[len-3]==';P';&&filename[len-2]==';P';&&filename[len-1]==';S';)||\ (filename[len-3]==';p';&&filename[len-2]==';o';&&filename[len-1]==';t';)||\ (filename[len-3]==';P';&&filename[len-2]==';O';&&filename[len-1]==';T';)) wsprintf(Type,MimeType,"application","mspowerpoint"); else if( (filename[len-3]==';b';&&filename[len-2]==';i';&&filename[len-1]==';n';)||\ (filename[len-3]==';B';&&filename[len-2]==';I';&&filename[len-1]==';N';)||\ (filename[len-3]==';e';&&filename[len-2]==';x';&&filename[len-1]==';e';)||\ (filename[len-3]==';E';&&filename[len-2]==';X';&&filename[len-1]==';E';)||\ (filename[len-3]==';c';&&filename[len-2]==';o';&&filename[len-1]==';m';)||\ (filename[len-3]==';C';&&filename[len-2]==';O';&&filename[len-1]==';M';)||\ (filename[len-3]==';d';&&filename[len-2]==';l';&&filename[len-1]==';l';)||\ (filename[len-3]==';D';&&filename[len-2]==';L';&&filename[len-1]==';L';)||\ (filename[len-5]==';c';&&filename[len-4]==';l';&&filename[len-3]==';a';&&filename[len-2]==';s';&&filename[len-1]==';s';)||\ (filename[len-5]==';C';&&filename[len-4]==';L';&&filename[len-3]==';A';&&filename[len-2]==';S';&&filename[len-1]==';S';)) wsprintf(Type,MimeType,"application","octet-stream"); else if( (filename[len-3]==';a';&&filename[len-2]==';v';&&filename[len-1]==';i';)||\ (filename[len-3]==';A';&&filename[len-2]==';V';&&filename[len-1]==';I';)) wsprintf(Type,MimeType,"video","x-msvideo"); else wsprintf(Type,MimeType,"*","*"); if(start == 0) wsprintf(headers, hdrFmtNor, (const char*)outtime, i ,Type); else wsprintf(headers, hdrFmtDown, (const char*)outtime, i-start ,Type); printf( "Time:%s\n%s企图请求的页面文件：%s . 使用的套接字ID:Socket[%d]\n\n" , outtime , inet_ntoa(client[socketindex].sin_addr) , filename, socketindex ); sendbt = send( TranSock[socketindex] , headers , strlen(headers) , 0 ); if(-1 == SetFilePointer(fp,start,NULL,FILE_BEGIN)) {printf("SetFilePointer Error :%d\n",GetLastError()); send(TranSock[socketindex],"对不起,服务端错误!",18,0); closesocket( TranSock[socketindex] ); TranSock[socketindex] = 0; CloseHandle(fp); return -1; } do{ BOOL fRead = ReadFile(fp, sendfile, 1400, &dwRead, NULL); if(fRead == FALSE) {printf("读取文件错误!文件名:%s\n" , filename); send(TranSock[socketindex],"对不起,您访问的页面不存在!",26,0); closesocket( TranSock[socketindex] ); TranSock[socketindex] = 0; CloseHandle(fp); return -1; } else if(fRead && dwRead) {sendbt = send( TranSock[socketindex] , sendfile , 1400 , 0 ); if( sendbt == SOCKET_ERROR ) {printf("Send Error:%d!\n",GetLastError()); closesocket( TranSock[socketindex] ); TranSock[socketindex] = 0; CloseHandle(fp); return -1; } memset(sendfile , 0 , 1400); } else { sendbt = send( TranSock[socketindex] , sendfile , j , 0 ); if( sendbt == SOCKET_ERROR ) {printf("Send Error:%d!\n",GetLastError()); closesocket( TranSock[socketindex] ); CloseHandle(fp); TranSock[socketindex] = 0; return -1; } } }while(dwRead == 1400); CloseHandle(fp); closesocket( TranSock[socketindex] ); TranSock[socketindex] = 0; } //+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ //+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ else if(writeflag) {memset(userid,0,40); memset(message,0,1600); int recvlen = strlen(recvmem); char contentlen_str[5]; memset(contentlen_str,0,5); for(i=0;i<1000;i++) {if((recvmem[i+0] == ';C';)&& (recvmem[i+1] == ';o';)&& (recvmem[i+2] == ';n';)&& (recvmem[i+3] == ';t';)&& (recvmem[i+4] == ';e';)&& (recvmem[i+5] == ';n';)&& (recvmem[i+6] == ';t';)&& (recvmem[i+7] == ';-';)&& (recvmem[i+8] == ';L';)&& (recvmem[i+9] == ';e';)&& (recvmem[i+10] == ';n';)&& (recvmem[i+11] == ';g';)&& (recvmem[i+12] == ';t';)&& (recvmem[i+13] == ';h';)&& (recvmem[i+14] == ';:';)) {i += 16; break; } if(i==999) {printf("NO find Content-Length!\n"); send(TranSock[socketindex],"something wrong!please check the error and retry",48,0) ; closesocket( TranSock[socketindex] ); TranSock[socketindex] = 0; return -1; } } while((recvmem
!=';\r';) && (recvmem[i+1] != ';\n';)) {if((recvmem
<0x30) || (recvmem
>0x39)) {printf("Content-Length Error:%d%x\n",i,recvmem
); send(TranSock[socketindex],"something wrong!please check the error and retry",48,0) ; closesocket( TranSock[socketindex] ); TranSock[socketindex] = 0; return -1; } contentlen_str[j] = recvmem
; if(j>4) {printf("Content-Length Error:%d%x\n",i,recvmem
); send(TranSock[socketindex],"something wrong!please check the error and retry",48,0) ; closesocket( TranSock[socketindex] ); TranSock[socketindex] = 0; return -1; } i++; j++; } DWORD content_length = atol(contentlen_str); if(content_length > 1247 ) {send(TranSock[socketindex],"Content Too Long!",17,0); closesocket( TranSock[socketindex] ); TranSock[socketindex] = 0; return -1; } DWORD content_start = recvlen - (content_length+3); content_start += 8; i = 0; while((recvmem[content_start] != ';&';)) {if(i>30) {printf("Get userid Error, too long!\n"); send(TranSock[socketindex],"something wrong!please check the error and retry",48,0) ; closesocket( TranSock[socketindex] ); TranSock[socketindex] = 0; return -1; } userid
= recvmem[content_start]; content_start++; i++; } i = 0; content_start += 9; while(i <1200) {if(recvmem[content_start] == ';\r'; || (unsigned char)recvmem[content_start] == 0 ) break; message
= recvmem[content_start]; content_start++; i++; } printf("user:%s\nrespond:%s\n",userid,message); char sendout[4092]; unsigned char auserid[40]; unsigned char amessage[1600]; memset(auserid,0,40); memset(amessage,0,1600); j=0; for(i=0;j
= (unsigned char)userid[j]; if(auserid
== 0x25) {a[0] = userid[j+1]; a[1] = userid[j+2]; if(((unsigned char)a[0]>47)&&((unsigned char)a[0]<58)) temp1=(a[0]-48)*16; else if(((unsigned char)a[0]>64)&&((unsigned char)a[0]<71)) temp1=(a[0]-55)*16; else temp1=0; if((unsigned char)a[1]>47&&(unsigned char)a[1]<58) temp2=(a[1]-48); else if((unsigned char)a[1]>64&&(unsigned char)a[1]<71) temp2=(a[1]-55); else temp2=0; temp1+=temp2; auserid
=(unsigned char) temp1; j+=2; } j++; } j=0; for(i=0;j
= (unsigned char)message[j]; if(amessage
== 0x25) {a[0] = message[j+1]; a[1] = message[j+2]; if(((unsigned char)a[0]>47)&&((unsigned char)a[0]<58)) temp1=(a[0]-48)*16; else if(((unsigned char)a[0]>64)&&((unsigned char)a[0]<71)) temp1=(a[0]-55)*16; else temp1=0; if((unsigned char)a[1]>47&&(unsigned char)a[1]<58) temp2=(a[1]-48); else if((unsigned char)a[1]>64&&(unsigned char)a[1]<71) temp2=(a[1]-55); else temp2=0; temp1+=temp2; amessage
=(unsigned char) temp1; j+=2; } j++; } for(i=0;i
== ';<'; ) {auserid
=';&';; j=strlen((char*)auserid)+2; while(j-1>i) {auserid[j-1]=auserid[j-3]; j--; } auserid[i+1]=';l';; auserid[i+2]=';t';; } if((char)auserid
== ';>';) {auserid
=';&';; j=strlen((char*)auserid)+2; while(j-1>i) {auserid[j-1]=auserid[j-3]; j--; } auserid[i+1]=';g';; auserid[i+2]=';t';; } if((char)auserid
== ';+';) auserid
= 0x20; } for(i=0;i
== ';<'; ) {amessage
=';&';; j=strlen((char*)amessage)+2; while(j-1>i) {amessage[j-1]=amessage[j-3]; j--; } amessage[i+1]=';l';; amessage[i+2]=';t';; } if((char)amessage
== ';>';) {amessage
=';&';; j=strlen((char*)amessage)+2; while(j-1>i) {amessage[j-1]=amessage[j-3]; j--; } amessage[i+1]=';g';; amessage[i+2]=';t';; } if((char)amessage
== ';+';) amessage
= 0x20; } for(i=0;i
== 0xd)&&((char)amessage[i+1] == 0xa)) {amessage
=';<';; amessage[i+1]=';b';; j=strlen((char*)amessage)+2; while(j-1>i+1) {amessage[j-1]=amessage[j-3]; j--; } amessage[i+2]=';r';; amessage[i+3]=';>';; } } memset(sendout,0,4096); wsprintf(sendout,"\r\n时间:%s
\r\nIP:%s
\r\n访客id:%s
\r\n访客留言:
",outtime,inet_ntoa(client[socketindex].sin_addr),(char*)auserid); strcat(sendout,(char*)amessage); strcat(sendout,"
\r\n\r\n\0"); fp = CreateFile(respondfilename, GENERIC_WRITE, 0, (LPSECURITY_ATTRIBUTES)NULL, OPEN_ALWAYS, FILE_ATTRIBUTE_NORMAL, NULL); if( fp == INVALID_HANDLE_VALUE ) {printf( "%s open file: %s error!\n" , inet_ntoa( client[socketindex].sin_addr ) , respondfilename ); printf( "--------------------------------------------------------------------------------" ); send(TranSock[socketindex],"something wrong!please check the error and retry",48,0) ; closesocket( TranSock[socketindex] ); TranSock[socketindex] = 0; return -1; } j = strlen(sendout); DWORD total =0; BOOL flag=FALSE; while(total
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