networkcfg.c

webserver

/***************************************************************************
*by grandchips
 #gcc -c NetworkCfg.c
 #gcc NetworkCfg.o -lpthread -o NetworkCfg.cgi
*
**************************************************************************
*/

#include<sys/types.h>
#include<stdio.h>
#include <string.h>
#include <pthread.h>
#include <unistd.h>
#include <sys/stat.h>
#include <fcntl.h>

#define PATH "/config/www/"

void *rq_ifconfig( )
{
      
   //printf("running rq_ifconfig\n");

    if (fork()==0)

     {

          
    int fd;
    char filename[100];
    strcpy(filename,PATH);
    strcat(filename,"ifconf.txt");
    if((fd=open(filename,O_WRONLY|O_CREAT|O_TRUNC,0600))<0)
       {
         fprintf(stderr,"%s ","open file ifconf.txt error\n");
          fd=creat("ifconf.txt",0600);
        }

   //printf("rq_ifconfig:%d\n",fd);
   close(1);
   dup(fd);
          
      if (execl("/sbin/ifconfig","ifconfig","eth0",NULL)<0) perror("error in ifconfig");
     close(fd);
                  }

   else
        if (wait(NULL)==-1) printf("wait thread rq_ifconfig error!\n");

  }


void *rq_route( )
{
      //printf("running rq_route\n");

    if (fork()==0)
               {         
    int fd;
    char filename[100];
    strcpy(filename,PATH);
    strcat(filename,"route.txt");
    if((fd=open(filename,O_WRONLY|O_CREAT|O_TRUNC,0600))<0)
       fprintf(stderr,"%s ","open file route.txt error");
   
   //printf("rq_route:%d\n",fd);
   close(1);
   dup(fd);
          
      if (execl("/sbin/route","route","-n",NULL)<0) perror("error in rq_route");
     close(fd);
                  }

 else
        if (wait(NULL)==-1) printf("wait thread route.txt error!\n");

  }


void *rq_nslookup( )
{
   // printf("running rq_nslookup\n");   
  if (fork()==0)
   {
    char filename[100];
    strcpy(filename,PATH);
    strcat(filename,"nslookup.txt");
           
    int fd;
    if((fd=open(filename,O_WRONLY|O_CREAT|O_TRUNC,0600))<0)
       printf("open file nslookup.txt error");

    //printf("rq_nslookup:%d\n",fd);

     
   close(1);
   dup(fd);
          
      if (execl("/usr/bin/nslookup","nslookup","server",NULL)<0) perror("error in nslookup");
     close(fd);

    }//child thread


else
        if (wait(NULL)==-1) printf("wait thread nslookup error!\n");

  }


/****************************************************************************************************************************************************************************************/

 main()
{
char mac[20];
char ip[20];
char mask[20];
char gateway[20];
char dns[20];
char dns1[20];
char dns2[20];
char buf[50];

strcpy(mac,"00:E0:EE:EC:D6:D8");
strcpy(ip,"192.168.3.100");
strcpy(mask,"255.255.255.0");
strcpy(gateway,"192.168.3.1");
strcpy(dns,"192.168.3.1#53");
strcpy(dns1,"192.168.3.1");
strcpy(dns2,"61.235.70.98");



pthread_t if_status;
pthread_t route_status;
pthread_t nslookup_status;

if(pthread_create(&nslookup_status,NULL,rq_nslookup,NULL)!=0)   exit(0);
if(pthread_create(&if_status,NULL,rq_ifconfig,NULL)!=0)   exit(0);
if(pthread_create(&route_status,NULL,rq_route,NULL)!=0)   exit(0);


 sleep(1);
   //open require ifconfig file
   FILE *fr;
    char filename[100];
    strcpy(filename,PATH);
    strcat(filename,"ifconf.txt");
  if ((fr= fopen(filename, "r")) == NULL) {
   printf("Error in open require ifconfig file.\n");
   exit(1);
     };

int words;
for (words=1;words<20;words++)
{
  if (words==5)  fscanf(fr,"%s",mac);
  else if (words==7)  fscanf(fr,"%s",ip);
  else if (words==9)  fscanf(fr,"%s",mask);
  else fscanf(fr,"%s",buf);
}
   fclose(fr);

//open require route file
    strcpy(filename,PATH);
    strcat(filename,"route.txt");
  if ((fr= fopen(filename, "r")) == NULL) {
   printf("Error in open route require file.\n");
   exit(1);
     };

/*3210*/

for (words=1;words<31;words++)
{
  if (words==30)  fscanf(fr,"%s",gateway);
  else fscanf(fr,"%s",buf);
}


/*dbm*/
/*
for (words=1;words<23;words++)
{
  if (words==22)  fscanf(fr,"%s",gateway);
  else fscanf(fr,"%s",buf);
}
*/

   fclose(fr);

//open require nslookup file
    strcpy(filename,PATH);
    strcat(filename,"nslookup.txt");
  if ((fr= fopen(filename, "r")) == NULL) {
   printf("Error in open nslookup require file.\n");
   exit(1);
     };

for (words=1;words<11;words++)
{
  if (words==5)  fscanf(fr,"%s",dns);
  else if (words==10)  fscanf(fr,"%s",dns2);
  else fscanf(fr,"%s",buf);
}
 
fclose(fr);
 
int i;
for(i=0;i<20;i++)
{  
   if (dns[i]!='#')
   dns1[i]=dns[i];
   else
    {dns1[i]='\0';break;   }
}

for(i=0;i<strlen(dns1);i++)
{
   if (dns1[i]!='.' && (dns1[i]<'0' | dns1[i]>'9') )
      {strcpy(dns1,"...");break;}
}

for(i=0;i<strlen(dns2);i++)
{
   if (dns2[i]!='.' && (dns2[i]<'0' | dns2[i]>'9') )
      {strcpy(dns2,"...");break;}
}

/****************************************************************************************************/