Example #1
0
int main(int argc,char **argv)
{
  user = argv[1];
  if (!user) usage();
  loguser = argv[2];
  if (!loguser) usage();
  dir = argv[3];
  if (!dir) usage();
/*  if (dir[0] != '/') usage(); */
  tinydns = argv[4];
  if (!tinydns) usage();
/*  if (tinydns[0] != '/') usage(); */
  myip = argv[5];
  if (!myip) usage();

  pw = getpwnam(loguser);
  if (!pw)
    strerr_die3x(111,FATAL,"unknown account ",loguser);

  init(dir,FATAL);
  makelog(loguser,pw->pw_uid,pw->pw_gid);

  makedir("env");
  perm(02755);
  start("env/ROOT"); outs(tinydns); outs("/root\n"); finish();
  perm(0644);
  start("env/IP"); outs(myip); outs("\n"); finish();
  perm(0644);

  start("run");
  outs("#!/bin/sh\nexec 2>&1\nexec envdir ./env sh -c '\n  exec envuidgid "); outs(user);
  outs(" softlimit -d300000 tcpserver -vDRHl0 -x tcp.cdb -- \"$IP\" 53 ");
  outs(auto_home); outs("/bin/axfrdns\n'\n");
  finish();
  perm(0755);

  start("Makefile");
  outs("tcp.cdb: tcp\n");
  outs("\ttcprules tcp.cdb tcp.tmp < tcp\n");
  finish();
  perm(0644);

  start("tcp");
  outs("# sample line:  1.2.3.4:allow,AXFR=\"heaven.af.mil/3.2.1.in-addr.arpa\"\n");
  outs(":deny\n");
  finish();
  perm(0644);

    return 0;
}
Example #2
0
int main(int argc, char *argv[]){
    int client, server, n;
    struct sockaddr_in c_addr, s_addr;
    socklen_t len;
    char recv_query[30];

    if(argc < 2)
    {
      puts("Usage: ./server -p port");
      exit(1);
    }

    server = socket(PF_INET, SOCK_STREAM, 0);
    memset(&s_addr, 0, sizeof(s_addr));
    s_addr.sin_addr.s_addr = htonl(INADDR_ANY);
    s_addr.sin_family = AF_INET;
    s_addr.sin_port = htons(atoi(argv[2]));

    if(bind(server, (struct sockaddr*)&s_addr, sizeof(s_addr)) == -1)
    {
        puts("bind() error");
        exit(1);
    }

    if(listen(server, 5) == -1)
    {
        puts("listen() error");
        exit(1);
    }

    len = sizeof(c_addr);
    client = accept(server, (struct sockaddr*)&c_addr, &len);
    if(client == -1)
    {
      puts("Client connection failed");
      exit(1);
    }

    while(1)
    {
        read(client, recv_query, 30);
        n = strlen(recv_query);
        makelog(recv_query);
        write(client, recv_query, n+1);
        puts(recv_query);
    }
    close(client);
    return 0;
}
Example #3
0
int main(int argc,char **argv)
{
  user = argv[1];
  if (!user) usage();
  loguser = argv[2];
  if (!loguser) usage();
  dir = argv[3];
  if (!dir) usage();
  if (dir[0] != '/') usage();
  myip = argv[4];
  if (!myip) usage();

  pw = getpwnam(loguser);
  if (!pw)
    strerr_die3x(111,FATAL,"unknown account ",loguser);

  init(dir,FATAL);
  makelog(loguser,pw->pw_uid,pw->pw_gid);

  makedir("env");
  perm(02755);
  start("env/ROOT"); outs(dir); outs("/root\n"); finish();
  perm(0644);
  start("env/IP"); outs(myip); outs("\n"); finish();
  perm(0644);

  start("run");
  outs("#!/bin/sh\nexec 2>&1\nexec chpst -U "); outs(user);
  outs(" -e ./env -d250000 ");
  outs(auto_home); outs("/bin/pickdns\n");
  finish();
  perm(0755);

  makedir("root");
  perm(02755);
  start("root/data");
  finish();
  perm(0644);
  start("root/Makefile");
  outs("data.cdb: data\n");
  outs("\t"); outs(auto_home); outs("/bin/pickdns-data\n");
  finish();
  perm(0644);

  _exit(0);
}
Example #4
0
int main(int argc,char **argv)
{
  user = argv[1];
  if (!user) usage();
  loguser = argv[2];
  if (!loguser) usage();
  dir = argv[3];
  if (!dir) usage();
  if (dir[0] != '/') usage();
  myip = argv[4];
  if (!myip) usage();

  pw = getpwnam(loguser);
  if (!pw)
    strerr_die3x(111,FATAL,"unknown account ",loguser);

  init(dir,FATAL);
  makelog(loguser,pw->pw_uid,pw->pw_gid);

  makedir("env");
  perm(02755);
  start("env/ROOT"); outs(dir); outs("/root\n"); finish();
  perm(0644);
  start("env/IP"); outs(myip); outs("\n"); finish();
  perm(0644);

  start("run");
  outs("#!/bin/sh\nexec 2>&1\nexec envuidgid "); outs(user);
  outs(" envdir ./env softlimit -d250000 ");
  outs(auto_home); outs("/bin/walldns\n");
  finish();
  perm(0755);

  makedir("root");
  perm(02755);

  _exit(0);
}
Example #5
0
int main(int argc, char **argv)
{
  user = argv[1];
  if (!user) usage();
  loguser = argv[2];
  if (!loguser) usage();
  dir = argv[3];
  if (!dir) usage();
  if (dir[0] != '/') usage();
  myip = argv[4];
  if (!myip) usage();

  pw = getpwnam(loguser);
  if (!pw)
    strerr_die3x(111,FATAL,"unknown account ",loguser);

  init(dir,FATAL);
  makelog(loguser,pw->pw_uid,pw->pw_gid);

  if (mkdir("root",0700) == -1)
    strerr_die2sys(111,FATAL,"unable to create directory 'root': ");

  start("run");
  outs("#!/bin/sh\nexec 2>&1\n");
  outs("IP="); outs(myip); outs("; export IP\n");
  outs("ROOT="); outs(dir); outs("/root; export ROOT\n");
  outs("exec envuidgid "); outs(user);
  outs(" \\\nsoftlimit -d250000");
  outs(" \\\ntcpserver -RPHv $IP ident");
  outs(" "); outs(auto_home); outs("/bin/didentd-static");
  outs("\n");
  finish();
  perm(0755);

  return 0;
}
Example #6
0
//thread routine function
void* proxyroutine(void* arg)
{
	int fd;
	int nfds;
	int sockfd = (int)arg;	
	int n=0;	
	struct sockaddr_in cli_addr;
	
	socklen_t clilen;// return addressstructure size

	fd_set rfds;
	fd_set afds;
	struct timeval tv;
	FD_ZERO(&afds);
	FD_SET(sockfd,&afds);
	nfds = getdtablesize();
	char buffer[CLIBUFF_SIZE]; //receive buffer a

while(1){
	tv.tv_sec = 10;
	tv.tv_usec = 0;
	monitorCache(head);
	memcpy(&rfds,&afds,sizeof(rfds));
	if(select(nfds,&rfds,(fd_set*)0,(fd_set*)0,&tv) <= 0)
		die("selecot()",errno);
	
	if(FD_ISSET(sockfd,&rfds)){	
		int newsockfd;
		clilen = sizeof(cli_addr);
		pthread_mutex_lock(&acceptlock);
		newsockfd = accept(sockfd, (struct sockaddr *) &cli_addr, &clilen);//accept a new connection
		pthread_mutex_unlock(&acceptlock);
		if(newsockfd < 0)//if accept is blocked, then return error message
			die("accept()",errno);
		FD_SET(newsockfd,&afds);
	}
	
for(fd=0; fd<nfds; ++fd){
	if(fd != sockfd && FD_ISSET(fd,&rfds)){	
//	printf("server: got connection from %s\n",iota(cli_addr.sin_addr));
		//printf("Thread '%ld' responding request..\n",pthread_self());
	bzero(buffer,CLIBUFF_SIZE);// initialize buffer
	n = read(fd,buffer,CLIBUFF_SIZE-1);//from nesockfd read 255byte and store the buffer

	
	if(n<=0) error("can't recv");// if can't read error message
	//printf("Here is the message : %s\n", buffer);

	char* cp_buffer;


	char temp_init[CLIBUFF_SIZE];
	bzero(temp_init,CLIBUFF_SIZE);
	strcpy(temp_init,buffer);	
	//initial method url version
	char * init_request = strtok_r(temp_init,"\r\n",&cp_buffer);
	char* commandp = NULL;
	char* serverp = NULL;
	char* pathp = NULL;
	char * protocolp = NULL;
	char * portp = NULL;


	parse(init_request, &commandp,&serverp,&pathp,&protocolp, &portp);
	
//initial parsed storage;


	int s_portno = 80;
	char* server_host=NULL;
	 
	if(portp != NULL){
		server_host = (char*)malloc(strlen(serverp)+1+strlen(portp)+strlen(pathp)+1); 
		sprintf(server_host,"%s:%s%s",serverp,portp,pathp);
		s_portno = atoi(portp);
	}else{
		server_host = (char*)malloc(strlen(serverp)+strlen(pathp)+1); 
		sprintf(server_host,"%s%s",serverp,pathp);
	}

	char* out1 = replaceAll(cp_buffer,"keep-alive","close");

	char* http_host= malloc(strlen(commandp)+1+strlen(pathp)+strlen(" HTTP/1.0")+strlen(out1)+1);
	sprintf(http_host,"%s %s%s%s",commandp,pathp," HTTP/1.0",out1);
	
	//printf("changed:%s\n",http_host);

	//printf("hostnport:%s\n",server_host);
 
	char *ip = (char*)inet_ntoa((cli_addr.sin_addr));
// send the object
	int transsize = 0;

	DATA* send_object = getByKey(head,server_host);
	if(send_object){
		//printf("sedn:%s\n",send_object->key);
		char* metadata = NULL;//parse_type(pathp);
		char remess[512];
		bzero(remess,512);
	sprintf(remess,"%s%s%d%s%s%s","HTTP/1.1 200 OK\r\nServer: \r\nAccept-Ranges: bytes\r\n","Content-Length: ",send_object->size,"\r\nContent-Type: ",metadata,"; charset=utf-8\r\nConnection: close\r\n\r\n");
		write(fd,remess,strlen(remess));
	//	printf("remes%d\n",strlen(remess));
		transsize +=	write(fd,send_object->object,send_object->size);

	//	printf("====================cache key:%s send===================\n",send_object->key);
		DATA tempD = delBykey(head,server_host);
		add(head,tempD.key,tempD.object,tempD.size);
	}else{
	//printf("server_host:%s\n",server_host);
	transsize = makeCli(s_portno, serverp,pathp,fd,server_host,http_host);
	}
	close(fd);
	printf("tt:%d\n",transsize);

	if(transsize != 0){

/***** ciritical section start ********/
		pthread_mutex_lock(&mylock);
		makelog(getCtime(),ip,server_host,transsize);
		pthread_mutex_unlock(&mylock);
/**** critical section stop ********/
	}
	free(server_host);
	free(out1);
	free(http_host);
	FD_CLR(fd,&afds);
			}
		}
	}
}
Example #7
0
File: HTran.cpp Project: bGN4/HTran
void
#else
void*
#endif //WIN32
transmitdata(LPVOID data) {
    SOCKET fd1, fd2;
    struct transocket *sock;
    struct timeval timeset;
    fd_set readfd, writefd;
    int result, i = 0;
    char read_in1[MAXSIZE], send_out1[MAXSIZE];
    char read_in2[MAXSIZE], send_out2[MAXSIZE];
    int read1 = 0, send1 = 0;
    int read2 = 0, send2 = 0;
    size_t totalread1 = 0, totalread2 = 0;
    int sendcount1, sendcount2;
    int maxfd;
    struct sockaddr_in client1, client2;
    socklen_t structsize1, structsize2;
    char host1[20], host2[20];
    int port1 = 0, port2 = 0;
    char tmpbuf[100];

    sock = (struct transocket *)data;
    fd1 = sock->fd1;
    fd2 = sock->fd2;

    memset(host1, 0, 20);
    memset(host2, 0, 20);
    memset(tmpbuf, 0, 100);

    structsize1 = sizeof(struct sockaddr);
    structsize2 = sizeof(struct sockaddr);

    if (getpeername(fd1, (struct sockaddr *)&client1, &structsize1) < 0) {
        strcpy(host1, "fd1");
    } else {
        //            printf("[+]got, ip:%s, port:%d\r\n",inet_ntoa(client1.sin_addr),ntohs(client1.sin_port));
        strcpy(host1, inet_ntoa(client1.sin_addr));
        port1 = ntohs(client1.sin_port);
    }

    if (getpeername(fd2, (struct sockaddr *)&client2, &structsize2) < 0) {
        strcpy(host2, "fd2");
    } else {
        //            printf("[+]got, ip:%s, port:%d\r\n",inet_ntoa(client2.sin_addr),ntohs(client2.sin_port));
        strcpy(host2, inet_ntoa(client2.sin_addr));
        port2 = ntohs(client2.sin_port);
    }

    printf("[+] Start Transmit (%s:%d <-> %s:%d) ......\r\n", host1, port1, host2, port2);

    maxfd = max(fd1, fd2) + 1;
    memset(read_in1, 0, MAXSIZE);
    memset(read_in2, 0, MAXSIZE);
    memset(send_out1, 0, MAXSIZE);
    memset(send_out2, 0, MAXSIZE);

    timeset.tv_sec = TIMEOUT;
    timeset.tv_usec = 0;

    while (1) {
        FD_ZERO(&readfd);
        FD_ZERO(&writefd);

        FD_SET((UINT)fd1, &readfd);
        FD_SET((UINT)fd1, &writefd);
        FD_SET((UINT)fd2, &writefd);
        FD_SET((UINT)fd2, &readfd);

        result = select(maxfd, &readfd, &writefd, NULL, &timeset);
        if ((result < 0) && (errno != EINTR)) {
            printf("[-] Select error.\r\n");
            break;
        } else if (result == 0) {
            printf("[-] Socket time out.\r\n");
            break;
        }

        if (FD_ISSET(fd1, &readfd)) {
            /* must < MAXSIZE-totalread1, otherwise send_out1 will flow */
            if (totalread1 < MAXSIZE) {
                read1 = recv(fd1, read_in1, MAXSIZE - totalread1, 0);
                if ((read1 == SOCKET_ERROR) || (read1 == 0)) {
                    printf("[-] Read fd1 data error,maybe close?\r\n");
                    break;
                }

                memcpy(send_out1 + totalread1, read_in1, read1);
                sprintf(tmpbuf, "\r\nRecv %5d bytes from %s:%d\r\n", read1, host1, port1);
                printf(" Recv %5d bytes %16s:%d\r\n", read1, host1, port1);
                makelog(tmpbuf, strlen(tmpbuf));
                makelog(read_in1, read1);
                totalread1 += read1;
                memset(read_in1, 0, MAXSIZE);
            }
        }

        if (FD_ISSET(fd2, &writefd)) {
            int err = 0;
            sendcount1 = 0;
            while (totalread1 > 0) {
                send1 = send(fd2, send_out1 + sendcount1, totalread1, 0);
                if (send1 == 0)break;
                if ((send1 < 0) && (errno != EINTR)) {
                    printf("[-] Send to fd2 unknow error.\r\n");
                    err = 1;
                    break;
                }

                if ((send1 < 0) && (errno == ENOSPC)) break;
                sendcount1 += send1;
                totalread1 -= send1;

                printf(" Send %5d bytes %16s:%d\r\n", send1, host2, port2);
            }

            if (err == 1) break;
            if ((totalread1 > 0) && (sendcount1>0)) {
                /* move not sended data to start addr */
                memcpy(send_out1, send_out1 + sendcount1, totalread1);
                memset(send_out1 + totalread1, 0, MAXSIZE - totalread1);
            } else
                memset(send_out1, 0, MAXSIZE);
        }

        if (FD_ISSET(fd2, &readfd)) {
            if (totalread2 < MAXSIZE) {
                read2 = recv(fd2, read_in2, MAXSIZE - totalread2, 0);
                if (read2 == 0)break;
                if ((read2 < 0) && (errno != EINTR)) {
                    printf("[-] Read fd2 data error,maybe close?\r\n\r\n");
                    break;
                }

                memcpy(send_out2 + totalread2, read_in2, read2);
                sprintf(tmpbuf, "\r\nRecv %5d bytes from %s:%d\r\n", read2, host2, port2);
                printf(" Recv %5d bytes %16s:%d\r\n", read2, host2, port2);
                makelog(tmpbuf, strlen(tmpbuf));
                makelog(read_in2, read2);
                totalread2 += read2;
                memset(read_in2, 0, MAXSIZE);
            }
        }

        if (FD_ISSET(fd1, &writefd)) {
            int err2 = 0;
            sendcount2 = 0;
            while (totalread2 > 0) {
                send2 = send(fd1, send_out2 + sendcount2, totalread2, 0);
                if (send2 == 0)break;
                if ((send2 < 0) && (errno != EINTR)) {
                    printf("[-] Send to fd1 unknow error.\r\n");
                    err2 = 1;
                    break;
                }
                if ((send2 < 0) && (errno == ENOSPC)) break;
                sendcount2 += send2;
                totalread2 -= send2;

                printf(" Send %5d bytes %16s:%d\r\n", send2, host1, port1);
            }
            if (err2 == 1) break;
            if ((totalread2 > 0) && (sendcount2 > 0)) {
                /* move not sended data to start addr */
                memcpy(send_out2, send_out2 + sendcount2, totalread2);
                memset(send_out2 + totalread2, 0, MAXSIZE - totalread2);
            } else
                memset(send_out2, 0, MAXSIZE);
        }

        SLEEP(5);
    }

    CLOSESOCKET(fd1);
    CLOSESOCKET(fd2);
    if(method == 3)
        --connectnum;

    printf("\r\n[+] OK! I Closed The Two Socket.\r\n");
#ifdef WIN32
    return;
#else
    return (void*)0;
#endif //WIN32
}
Example #8
0
File: HTran.cpp Project: bGN4/HTran
/*************************************************************************************
*                                                                                    *
* function main                                                                      *
*                                                                                    *
*************************************************************************************/
int main(int argc, char* argv[]) {
    char **p;
    char sConnectHost[HOSTLEN], sTransmitHost[HOSTLEN];
    int  iConnectPort = 0, iTransmitPort = 0;
    char *logfile = NULL;

    ver();
    memset(sConnectHost, 0, HOSTLEN);
    memset(sTransmitHost, 0, HOSTLEN);

    p = argv;
    while (*p) {
        if (stricmp(*p, "-log") == 0) {
            if (testifisvalue(*(p + 1))) {
                logfile = *(++p);
            } else {
                printf("[-] ERROR: Must supply logfile name.\n\n");
                return 0;
            }
            p++;
            continue;
        }
        p++;
    }
    if (logfile != NULL) {
        if (NULL == (fp = fopen(logfile, "a"))) {
            printf("[-] ERROR: open logfile");
            return 0;
        }
        char s[] = "====== Start ======\r\n";
        makelog(s, sizeof(s) / sizeof(char));
    }

#ifdef WIN32
    // Win Start Winsock.
    WSADATA wsadata;
    WSAStartup(MAKEWORD(1, 1), &wsadata);
#endif //WIN32

    signal(SIGINT, &getctrlc);

    if (argc > 2) {
        if (stricmp(argv[1], "-listen") == 0 && argc >= 4) {
            iConnectPort = atoi(argv[2]);
            iTransmitPort = atoi(argv[3]);
            method = 1;
        } else if (stricmp(argv[1], "-tran") == 0 && argc >= 5) {
            iConnectPort = atoi(argv[2]);
            strncpy(sTransmitHost, argv[3], HOSTLEN);
            iTransmitPort = atoi(argv[4]);
            method = 2;
        } else if (stricmp(argv[1], "-slave") == 0 && argc >= 6) {
            strncpy(sConnectHost, argv[2], HOSTLEN);
            iConnectPort = atoi(argv[3]);
            strncpy(sTransmitHost, argv[4], HOSTLEN);
            iTransmitPort = atoi(argv[5]);
            method = 3;
        }
    }

    switch (method) {
    case 1:
        bind2bind(iConnectPort, iTransmitPort);
        break;
    case 2:
        bind2conn(iConnectPort, sTransmitHost, iTransmitPort);
        break;
    case 3:
        conn2conn(sConnectHost, iConnectPort, sTransmitHost, iTransmitPort);
        break;
    default:
        usage(argv[0]);
        break;
    }

    if (method) {
        closeallfd();
    }

#ifdef WIN32
    WSACleanup();
#endif //WIN32

    return 0;
}
Example #9
0
//************************************************************************************
//
// function main
//
//************************************************************************************
int main(int argc, char* argv[])
{
    char **p;
    char sConnectHost[HOSTLEN], sTransmitHost[HOSTLEN];
    int iConnectPort=0, iTransmitPort=0;
    char *logfile=NULL;
//    ver();
    memset(sConnectHost, 0, HOSTLEN);
    memset(sTransmitHost, 0, HOSTLEN);
    p=argv;
    while(*p)
    {
          if(strstr(*p, "-log") !=NULL)
          {
                if(testifisvalue(*(p+1)))
                {
                      logfile = *(++p);
                }
                else
                {
                      printf("[-] ERROR: Must supply logfile name.\r\n");
                      return;
                }
                p++;
                continue;
          }

          p++;
    }
    if(logfile !=NULL)
    {
          fp=fopen(logfile,"a");
          if(fp == NULL )
          {
                printf("[-] ERROR: open logfile");
                return;
          }
          makelog("====== Start ======\r\n", 22);
    }

    if(argc > 2)
    {
   if(!strcmp(argv[1], "-listen") && argc >=4)
          {
                iConnectPort = atoi(argv[2]);
                iTransmitPort = atoi(argv[3]);
                method = 1;
          }
          else

          if(!strcmp(argv[1], "-tran") && argc >= 5)
          {
                iConnectPort = atoi(argv[2]);
                strncpy(sTransmitHost, argv[3], HOSTLEN);
                iTransmitPort = atoi(argv[4]);
                method = 2;
          }
          else
          if(!strcmp(argv[1], "-slave") && argc >= 6)
          {
                strncpy(sConnectHost, argv[2], HOSTLEN);
                iConnectPort = atoi(argv[3]);
                strncpy(sTransmitHost, argv[4], HOSTLEN);
                iTransmitPort = atoi(argv[5]);
                method = 3;
          }
    }
    switch(method)
    {
    case 1:
          bind2bind(iConnectPort, iTransmitPort);
          break;
    case 2:
          bind2conn(iConnectPort, sTransmitHost, iTransmitPort);
          break;
    case 3:
          conn2conn(sConnectHost, iConnectPort, sTransmitHost, iTransmitPort);
          break;
    default:
          usage(argv[0]);
          break;
    }

    if(method)
    {
          closeallfd();
    }
    return 0;
}
Example #10
0
//************************************************************************************
//
// Socket Transmit to Socket
//
//************************************************************************************
void *thread(void *m)
{
    int fd1, fd2;
    struct transocket *sock=m;
    fd_set readfd,writefd;
    int result,i=0;
    char read_in1[MAXSIZE],send_out1[MAXSIZE];
    char read_in2[MAXSIZE],send_out2[MAXSIZE];
    int read1=0,totalread1=0,send1=0;
    int read2=0,totalread2=0,send2=0;
    int sendcount1,sendcount2;
    int maxfd;
    struct sockaddr_in client1,client2;
    int structsize1,structsize2;
    char host1[20],host2[20];
    int port1=0,port2=0;
    char tmpbuf[100];
    fd1 = sock->fd1;
    fd2 = sock->fd2;
    memset(host1,0,20);
    memset(host2,0,20);
    memset(tmpbuf,0,100);
    structsize1=sizeof(struct sockaddr);
    structsize2=sizeof(struct sockaddr);

    if(getpeername(fd1,(struct sockaddr *)&client1,&structsize1)<0)
    {
          strcpy(host1, "fd1");
    }
    else
    {
    //       printf("[+]got, ip:%s, port:%d\r\n",inet_ntoa(client1.sin_addr),ntohs(client1.sin_port));
          strcpy(host1, (char *)inet_ntoa(client1.sin_addr));
          port1=ntohs(client1.sin_port);
    }
    if(getpeername(fd2,(struct sockaddr *)&client2,&structsize2)<0)
    {
          strcpy(host2,"fd2");
    }
    else
    {
      //     printf("[+]got, ip:%s, port:%d\r\n",inet_ntoa(client2.sin_addr),ntohs(client2.sin_port));
          strcpy(host2, (char *)inet_ntoa(client2.sin_addr));
          port2=ntohs(client2.sin_port);
    }
//    printf("[+] Start Transmit (%s:%d <-> %s:%d) ......\r\n\n", host1, port1, host2, port2);

    maxfd=max(fd1,fd2)+1;
    memset(read_in1,0,MAXSIZE);
    memset(read_in2,0,MAXSIZE);
    memset(send_out1,0,MAXSIZE);
    memset(send_out2,0,MAXSIZE);
    while(1)
    {
          FD_ZERO(&readfd);
          FD_ZERO(&writefd);

          FD_SET(fd1, &readfd);
          FD_SET(fd1, &writefd);
          FD_SET(fd2, &writefd);
          FD_SET(fd2, &readfd);

          result=select(maxfd,&readfd,&writefd,NULL,NULL);
          if(result<0)
          {
  //              printf("[-] Select error.\r\n");
                break;
          }
          else if(result==0)
          {
 //               printf("[-] Socket time out.\r\n");
                break;
          }

          if(FD_ISSET(fd1, &readfd))
      {
                /* must < MAXSIZE-totalread1, otherwise send_out1 will flow */
                if(totalread1<MAXSIZE)
              {
                      read1=recv(fd1, read_in1, MAXSIZE-totalread1, 0);
                      if(read1==0)
                      {
    //                        printf("[-] Read fd1 data error,maybe close?\r\n");
                            break;
                      }

                      memcpy(send_out1+totalread1,read_in1,read1);
  //                    sprintf(tmpbuf,"\r\nRecv %5d bytes from %s:%d\r\n", read1, host1, port1);
  //                    printf(" Recv %5d bytes %16s:%d\r\n", read1, host1, port1);
                      makelog(tmpbuf,strlen(tmpbuf));
                      makelog(read_in1,read1);
                      totalread1+=read1;
                      memset(read_in1,0,MAXSIZE);
                }
          }
          if(FD_ISSET(fd2, &writefd))
          {
                int err=0;
                sendcount1=0;
                while(totalread1>0)
                {
                      send1=send(fd2, send_out1+sendcount1, totalread1, 0);
                      if(send1==0)break;
                      if(send1<0)
                      {
    //                        printf("[-] Send to fd2 unknow error.\r\n");
                            err=1;
                            break;
                      }

                      sendcount1+=send1;
                      totalread1-=send1;
      //                printf(" Send %5d bytes %16s:%d\r\n", send1, host2, port2);
                }

                if(err==1) break;
                if((totalread1>0) && (sendcount1>0))
                {
                      /* move not sended data to start addr */
                      memcpy(send_out1,send_out1+sendcount1,totalread1);
                      memset(send_out1+totalread1,0,MAXSIZE-totalread1);
                }
                else
                memset(send_out1,0,MAXSIZE);
          }

          if(FD_ISSET(fd2, &readfd))
          {
                if(totalread2<MAXSIZE)
                {
                      read2=recv(fd2,read_in2,MAXSIZE-totalread2, 0);
                      if(read2==0)break;
                      if(read2<0)
                      {
      //                      printf("[-] Read fd2 data error,maybe close?\r\n\r\n");
                            break;
                      }
                      memcpy(send_out2+totalread2,read_in2,read2);
     //                 sprintf(tmpbuf, "\r\nRecv %5d bytes from %s:%d\r\n", read2, host2, port2);
     //                 printf(" Recv %5d bytes %16s:%d\r\n", read2, host2, port2);
                      makelog(tmpbuf,strlen(tmpbuf));
                makelog(read_in2,read2);
                totalread2+=read2;
                memset(read_in2,0,MAXSIZE);
                }
   }
          if(FD_ISSET(fd1, &writefd))
      {
                int err2=0;
              sendcount2=0;
              while(totalread2>0)
              {
                    send2=send(fd1, send_out2+sendcount2, totalread2, 0);
                    if(send2==0)break;
                    if(send2<0)
                    {
       //                   printf("[-] Send to fd1 unknow error.\r\n");
                            err2=1;
                          break;
                    }
                    sendcount2+=send2;
                    totalread2-=send2;

       //             printf(" Send %5d bytes %16s:%d\r\n", send2, host1, port1);
              }
                if(err2==1) break;
            if((totalread2>0) && (sendcount2 > 0))
                {
                      /* move not sended data to start addr */
                      memcpy(send_out2, send_out2+sendcount2, totalread2);
                      memset(send_out2+totalread2, 0, MAXSIZE-totalread2);
                }
                else
                      memset(send_out2,0,MAXSIZE);
          }
   //       Sleep(5);
    }

    close(fd1);
    close(fd2);
//      if(method == 3)
//            connectnum --;

  //  printf("\r\n[+] OK! I Closed The Two Socket.\r\n");
}
Example #11
0
int main(int argc,char **argv)
{
    char **p;
    char host1[HOSTLEN],host2[HOSTLEN];
    int port1=0,port2=0,method=0;
    int length;
    char *logfile=NULL;

    p=argv;
    memset(host1,0,HOSTLEN);
    memset(host2,0,HOSTLEN);
    while(*p)
    {
        if(strcmp(*p,"-v")==0)
        {
            printf("Socket data transport tool.\r\nVersion:%s\r\n",VERSION);
            p++;
            continue;
        }
        if(strcmp(*p,"-h1")==0)
        {
            if(testifisvalue(*(p+1))==1)
            {
                length=(strlen(*(p+1))>HOSTLEN-1)?HOSTLEN-1:strlen(*(p+1));
                strncpy(host1,*(++p),length);
            }
            p++;
            continue;
        }
        if(strcmp(*p,"-h2")==0)
        {
            if(testifisvalue(*(p+1))==1)
            {
                length=(strlen(*(p+1))>HOSTLEN-1)?HOSTLEN-1:strlen(*(p+1));
                strncpy(host2,*(++p),length);
            }
            p++;
            continue;
        }
        if(strcmp(*p,"-p1")==0)
        {
            if(testifisvalue(*(p+1))==1)
                port1=atoi(*(++p));
            p++;
            continue;
        }
        if(strcmp(*p,"-p2")==0)
        {
            if(testifisvalue(*(p+1))==1)
                port2=atoi(*(++p));
            p++;
            continue;
        }
        if(strcmp(*p,"-m")==0)
        {
            if(testifisvalue(*(p+1))==1)
                method=atoi(*(++p));
            p++;
            continue;
        }
        if(strcmp(*p,"-log")==0)
        {
            if(testifisvalue(*(p+1))==1)
                logfile=*(++p);
            else
            {
                printf("[ERROR]:must supply logfile name\r\n");
                exit(0);
            }
            p++;
            continue;
        }
        p++;
    }
    signal(SIGCLD,SIG_IGN);
    signal(SIGINT,&closeallfd);
    if(logfile !=NULL)
    {
        fp=fopen(logfile,"a");
        if(fp == NULL )
        {
            perror("open logfile");
            exit(0);
        }
    }
    makelog("######################## start ################\r\n",49);
    switch(method)
    {
    case 0:
        usage(argv[0]);
        break;
    case 1:
        if((port1==0) || (port2==0))
        {
            printf("[ERROR]:must supply PORT1 and PORT2.\r\n");
            break;
        }
        if(strlen(host2)==0)
        {
            printf("[ERROR]:must supply HOST2.\r\n");
            break;
        }
        bind2conn(port1,host2,port2);
        break;
    case 2:
        if((port1==0) || (port2==0))
        {
            printf("[ERROR]:must supply PORT1 and PORT2.\r\n");
            break;
        }
        bind2bind(port1,port2);
        break;
    case 3:
        if((port1==0) || (port2==0))
        {
            printf("[ERROR]:must supply PORT1 and PORT2.\r\n");
            break;
        }
        if(strlen(host1)==0)
        {
            printf("[ERROR]:must supply HOST1.\r\n");
            break;
        }
        if(strlen(host2)==0)
        {
            printf("[ERROR]:must supply HOST2.\r\n");
            break;
        }
        conn2conn(host1,port1,host2,port2);
        break;
    default:
        usage(argv[0]);
    }
    closeallfd(0);
    return 0;
}
Example #12
0
void transdata(int fd1,int fd2)
{
    struct timeval timeset;
    fd_set readfd,writefd;
    int result,i=0;
    char read_in1[MAXSIZE],send_out1[MAXSIZE];
    char read_in2[MAXSIZE],send_out2[MAXSIZE];
    int read1=0,totalread1=0,send1=0;
    int read2=0,totalread2=0,send2=0;
    int sendcount1,sendcount2;
    int maxfd;
    struct sockaddr_in client1,client2;
    int structsize1,structsize2;
    char host1[20],host2[20];
    int port1=0,port2=0;
    char tmpbuf1[100],tmpbuf2[100];

    memset(host1,0,20);
    memset(host2,0,20);
    memset(tmpbuf1,0,100);
    memset(tmpbuf2,0,100);
    if(fp!=NULL)
    {
        structsize1=sizeof(struct sockaddr);
        structsize2=sizeof(struct sockaddr);
        if(getpeername(fd1,(struct sockaddr *)&client1,(socklen_t *)&structsize1)<0)
        {
            strcpy(host1,"fd1");
        }
        else
        {
            printf("got,ip:%s,port:%d\r\n",inet_ntoa(client1.sin_addr),ntohs(client1.sin_port));
            strcpy(host1,inet_ntoa(client1.sin_addr));
            port1=ntohs(client1.sin_port);
        }
        if(getpeername(fd2,(struct sockaddr *)&client2,(socklen_t *)&structsize2)<0)
        {
            strcpy(host2,"fd2");
        }
        else
        {
            printf("got,ip:%s,port:%d\r\n",inet_ntoa(client2.sin_addr),ntohs(client2.sin_port));
            strcpy(host2,inet_ntoa(client2.sin_addr));
            port2=ntohs(client2.sin_port);
        }
        sprintf(tmpbuf1,"\r\n########### read from %s:%d ####################\r\n",host1,port1);
        sprintf(tmpbuf2,"\r\n########### reply from %s:%d ####################\r\n",host2,port2);
    }

    maxfd=max(fd1,fd2)+1;
    memset(read_in1,0,MAXSIZE);
    memset(read_in2,0,MAXSIZE);
    memset(send_out1,0,MAXSIZE);
    memset(send_out2,0,MAXSIZE);

    timeset.tv_sec=TIMEOUT;
    timeset.tv_usec=0;
    FD_ZERO(&readfd);
    FD_ZERO(&writefd);
    while(1)
    {
        FD_SET(fd1,&readfd);
        FD_SET(fd2,&readfd);
        result=select(maxfd,&readfd,&writefd,NULL,&timeset);
        if((result<0) && (errno!=EINTR))
        {
            perror("select error");
            break;
        }
        else if(result==0)
        {
            printf("time out\n");
            break;
        }

        if(FD_ISSET(fd1,&writefd))
        {
            int err2=0;
            sendcount2=0;
            while(totalread2>0)
            {
                send2=write(fd1,send_out2+sendcount2,totalread2);
                if(send2==0)break;
                if((send2<0) && (errno!=EINTR))
                {
                    perror("unknow error");
                    err2=1;
                    break;
                }
                if((send2<0) && (errno==ENOSPC)) break;
                sendcount2+=send2;
                totalread2-=send2;
            }
            if(err2==1) break;
            if((totalread2>0) && (sendcount2 > 0))
            {
                /* 移动未发送完的数据到开始 */
                memcpy(send_out2,send_out2+sendcount2,totalread2);
                memset(send_out2+totalread2,0,MAXSIZE-totalread2);
            }
            else
            {
                memset(send_out2,0,MAXSIZE);
                FD_CLR(fd1,&writefd);
            } 
        }

        if(FD_ISSET(fd2,&writefd))
        {
            int err=0;
            sendcount1=0;
            while(totalread1>0)
            {
                send1=write(fd2,send_out1+sendcount1,totalread1);
                if(send1==0)break;
                if((send1<0) && (errno!=EINTR))
                {
                    perror("unknow error");
                    err=1;
                    break;
                }
                if((send1<0) && (errno==ENOSPC)) break;
                sendcount1+=send1;
                totalread1-=send1;
            }
            if(err==1) break;
            if((totalread1>0) && (sendcount1>0))
            {
                /* 移动未发送完的数据到开始 */
                memcpy(send_out1,send_out1+sendcount1,totalread1);
                memset(send_out1+totalread1,0,MAXSIZE-totalread1);
            }
            else
            {
                memset(send_out1,0,MAXSIZE);
                FD_CLR(fd2,&writefd);
            }
        }

        if(FD_ISSET(fd1,&readfd))
        {
            /* 不能超过MAXSIZE-totalread1,不然send_out1会溢出 */
            if(totalread1<MAXSIZE)
            {
                read1=read(fd1,read_in1,MAXSIZE-totalread1);
                if(read1==0) break;
                if((read1<0) && (errno!=EINTR))
                {
                    perror("read data error");
                    break;
                }
                memcpy(send_out1+totalread1,read_in1,read1);
                makelog(tmpbuf1,strlen(tmpbuf1));
                makelog(read_in1,read1);
                totalread1+=read1;
                memset(read_in1,0,MAXSIZE);
            }
            FD_SET(fd2,&writefd);
        }

        if(FD_ISSET(fd2,&readfd))
        {

            if(totalread2<MAXSIZE)
            {
                read2=read(fd2,read_in2,MAXSIZE-totalread2);
                if(read2==0)break;
                if((read2<0) && (errno!=EINTR))
                {
                    perror("read data error");
                    break;
                }
                memcpy(send_out2+totalread2,read_in2,read2);
                makelog(tmpbuf2,strlen(tmpbuf2));
                makelog(read_in2,read2);
                totalread2+=read2;
                memset(read_in2,0,MAXSIZE);
            }
            FD_SET(fd1,&writefd);
        }
    }

    close(fd1);
    close(fd2);
    printf("ok,I closed the two fd\r\n");
    exit(0);
}