[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) @_@.."
"
"
"";
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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