Attachment 152311 Details for Bug 235392 – Mac-On-Linux TUN test framework source code

Mac-On-Linux TUN test framework source code

tun-setup.c (text/plain), 1.29 KB, created by Joseph Sacco on 2007-04-11 18:37:47 UTC

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Creator: Joseph Sacco

Created: 2007-04-11 18:37:47 UTC

Size: 1.29 KB

patch

obsolete

>#include <stdio.h>
>#include <stdlib.h>
>#include <string.h>
>#include <unistd.h>
>#include <sys/types.h>
>#include <sys/stat.h>
>#include <sys/wait.h>
>#include <fcntl.h>
>#include <errno.h>
>#include <ctype.h>
>#include <sys/ioctl.h>
>#include <sys/socket.h>
>
>
>#include <linux/if.h>
>#include <linux/if_tun.h>
>  
>int tun_alloc(char *dev)
>{
>	struct ifreq ifr;
>	int fd, err; 
>
>  /* allocate tun/tap device */
>  if( (fd=open("/dev/net/tun", O_RDWR | O_NONBLOCK)) < 0 ) {
>    return -1;
>  }
>  fcntl( fd, F_SETFD, FD_CLOEXEC );
>
>  memset( &ifr, 0, sizeof(ifr) );
>
>  ifr.ifr_flags = IFF_TUN | IFF_NO_PI;
>
>  strncpy( ifr.ifr_name, dev, IFNAMSIZ );
>  if( ioctl(fd, TUNSETIFF, &ifr) < 0 ){
>    goto out;
>  }
>
>  /* don't checksum */
>  ioctl( fd, TUNSETNOCSUM, 1 );
>
>	strcpy(dev, ifr.ifr_name);
>	return fd;
>
>out:
>	close(fd);
>	return -1;
>	}
>
>int main(char* argv, int argc)
>{
>	int fd, status;
>  pid_t pid;
>  char tundev[4];
>
>  /* allocate a tunnel: tun1 */
>	sprintf(tundev,"%s","tun1");
>	fd = tun_alloc(tundev);
>
>  /* configure device */
>  if ( !(pid=fork()) ) {
>		execlp("./tunconfig", "tunconfig", "tun1", "up", NULL);
>  }
>  (void)waitpid(pid,&status,0);
>	if( !WIFEXITED(status) ) {
>			printf("!WIFEXITED()\n");
>      close(fd);
>			return -1;
>	}
>
>  /* spin for a while */
>  sleep(15);
>
>  /* clean up and exit */
>  close(fd);
>  return 0;
>}

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Attachments on bug 235392: 152310 | 152311