173, 2/9 ȸ¿ø°¡ÀÔ  ·Î±×ÀΠ 
   dreadlo
   ¼ÒÄÏ ÇÁ·Î±×·¡¹Ö~??

http://www.hackerschool.org/HS_Boards/zboard.php?desc=asc&no=94 [º¹»ç]


#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <arpa/inet.h>
#include <sys/socket.h>
void error_handling(char *message);

int main(int argc, char *argv[])
{
        int serv_sock;
        int clnt_sock;

        struct sockaddr_in serv_addr;
        struct sockaddr_in clnt_addr;
        socklen_t clnt_addr_size;

        char message[]="Hello World!";

        if(argc!=2)
        {
                printf("Usage : %s <port>\n", argv[0]);
                exit(1);
        }

        serv_sock=socket(PF_INET, SOCK_STREAM, 0);
        if(serv_sock == -1)
                error_handling("socket() error!");

        memset(&serv_addr, 0, sizeof(serv_addr));
        serv_addr.sin_family=AF_INET;
        serv_addr.sin_addr.s_addr=htonl(INADDR_ANY);
        serv_addr.sin_port=htons(atoi(argv[1]));

        if(bind(serv_sock, (struct sockaddr*) &serv_addr, sizeof(serv_addr))==-1);
                error_handling("bind() error!");

        if(listen(serv_sock, 5) == -1)
                error_handling("listen() error!");

        clnt_addr_size=sizeof(clnt_addr);
        clnt_sock=accept(serv_sock, (struct sockaddr*)&clnt_addr, &clnt_addr_size);
        if(clnt_sock == -1)
                error_handling("accept() error!");

        write(clnt_sock, message, sizeof(message));
        close(clnt_sock);
        close(serv_sock);
        return 0;
}

void error_handling(char *message)
{
        fputs(message, stderr);
        fputc('\n', stderr);
        exit(1);
}




---------------------------------------------------------------------------------------------------------
¸®´ª½º¿¡¼­ ¼­¹ö¸¦ ½ÇÇàÇÏ·Á´Âµ¥


bind error  ÀÚ²Ù ³ª³×¿ä


¾Æ¹«¸® ã¾ÆºÁµµ ¹®Á¦Á¡ÀÌ ¾ø´Âµ¥ ¤Ì.¤Ì

gcc -o hserver hello_server.c      <- ÀÌ·¸°Ô ÄÄÆÄÀÏÇؼ­
./hserver 9190                         <- Æ÷Æ®¹øÈ£ Àû¾î¼­ ½ÇÇàÇߴµ¥;;;
bind() error!


¸î½Ã°£Â° Çì¸Å³×¿ä ¤Ð.¤Ð

  Hit : 3568     Date : 2012/09/05 10:26



    
phillip474 Ȥ½Ã 9190Æ÷Æ®¸¦ »ç¿ëÇÏ°í ÀÖ´Â°Ô ¾Æ´Ò±î¿ä....
ÇãÁ¢ÀÇ ÂªÀº »ý°¢ÀÔ´Ï´Ù.
2012/09/06  
dreadlo ±×·¡¼­ ´Ù¸¥ Æ÷Æ®¸¦ ½áºÁµµ ... ¤Ì.¤Ì 2012/09/07  
153   ¿ÜºÎÄÄÇ»ÅÍ Á¢¼Ó[1]     choisunho
02/27 3685
152   ¹éÆ®·¢ ¿¡¼­ mon0 °¡ º¸ÀÌ Áö ¾Ê¾Æ¿ä[3]     codeback
04/22 2977
151   °øÀ¯±â »ç¿ëÀÚ¸¦ ¾Ë¾Æ³»´Â ¹æ¹ý     cwk0906
08/25 3430
150   ³×Æ®¿öÅ© Àåºñ(¶ó¿ìÅÍ, ½ºÀ§Ä¡, Çãºê, °øÀ¯±âµîµî)¿¡¼­µµ ÈçÀûÀÌ ³²³ª¿ä?     ÇØÅ·ÀßÇÏ°í½Í´Ù
05/20 72
149   ½ºÀ§Ä¡ ¶ó¿ìÅÍÀÇ ±â´É[2]     dackwind
12/13 3517
148   ÇÁ¸®¼­¹ö°°Àº°Å ÆøÆĽÃŲ´Ù°íÇϴ°͵µ ³×Æ®¿öÅ· ÇØÅ·Àΰ¡¿ä?[1]     darkofgy
06/19 4143
147   °øÀ¯±â °ü¸®ÀÚ...Áú¹®...[3]     darkofgy
09/24 3563
146   vmWare¸¸ °¡Áö°í ³×Æ®¿öÅ© ÇØÅ· ¿¬½ÀÀ» ÇÒ ¼ö ÀÖ³ª¿ä??[1]     darkofgy
10/13 3653
145   Arp poisoning ¸·À¸·Á Mac ÁÖ¼Ò¸¦ Á¤ÀûÇÒ´çÇÏ·Á´Âµ¥¿ä.[1]     decide01
12/09 3506
144   DOSS ¸¦ ¹è¿ì°í ÀÖ´Â À¯Ä¡¿ø»ýÀÓµÂ[3]     dh3621
08/24 3446
143   ³×Æ®¿öÅ© ÇØÅ· È°¿ë ¹üÀ§[2]     dlswns9601
01/23 3360
142   ´©°¡ ÀÚ²Ù ÀÎÅͳÝÀ» ¸ø ÇÏ°Ô ¸·³×¿ä[1]     dola1984
12/04 3363
141   ¿ÜºÎ ¾ÆÀÌÇÇ·Î ÇØÅ· ÇÏ·Á¸é..?[1]     dolpin1402
04/05 4484
140   ÀÌ°Å xe ÄíÅ°°ªÀº ¹¹·Î ÀÎÄÚµù µÇ´Â°É±î¿ä?[1]     dolpin1402
06/30 2992
139   °í¼ö´ÔµéÀÇ µµ¿òÁ» ¹Þ°í ½Í½À´Ï´Ù.......     dosan1590
02/11 2777
138   ferret toolÀÌ ¾ø³×¿ä..[1]     dowkrlck
07/21 3329
  ¼ÒÄÏ ÇÁ·Î±×·¡¹Ö~??[2]     dreadlo
09/05 3567
136   ³×Æ®¿öÅ© ÇØÅ·¿¡¼­..[1]     dwdwzzz
03/23 3108
135   arp spoofingÀÇ ÇÑ°è[2]     dwdwzzz
03/24 3329
134   °­Á¦¿ø°Ý °Å´Â¹æ¹ý[11]     dydakdb123
06/11 7938
[1] 2 [3][4][5][6][7][8][9]

Copyright 1999-2024 Zeroboard / skin by Hackerschool.org / Secure Patch by Hackerschool.org