/*
This file is part of GNUnet.
- (C) 2010, 2012 Christian Grothoff
+ Copyright (C) 2010, 2012 Christian Grothoff
GNUnet is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published
You should have received a copy of the GNU General Public License
along with GNUnet; see the file COPYING. If not, write to the
- Free Software Foundation, Inc., 59 Temple Place - Suite 330,
- Boston, MA 02111-1307, USA.
+ Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ Boston, MA 02110-1301, USA.
*/
/**
if (-1 == ioctl (fd, TUNSETIFF, (void *) &ifr))
{
- fprintf (stderr, "Error with ioctl on `%s': %s\n", "/dev/net/tun",
+ fprintf (stderr,
+ "Error with ioctl on `%s': %s\n",
+ "/dev/net/tun",
strerror (errno));
(void) close (fd);
return -1;
sa6.sin6_family = AF_INET6;
if (1 != inet_pton (AF_INET6, address, sa6.sin6_addr.s6_addr))
{
- fprintf (stderr, "Failed to parse address `%s': %s\n", address,
- strerror (errno));
+ fprintf (stderr,
+ "Failed to parse IPv6 address `%s'\n",
+ address);
exit (1);
}
if (-1 == (fd = socket (PF_INET6, SOCK_DGRAM, 0)))
{
- fprintf (stderr, "Error creating socket: %s\n", strerror (errno));
+ fprintf (stderr,
+ "Error creating socket: %s\n",
+ strerror (errno));
exit (1);
}
*/
if (1 != inet_pton (AF_INET, address, &addr->sin_addr.s_addr))
{
- fprintf (stderr, "Failed to parse address `%s': %s\n", address,
- strerror (errno));
+ fprintf (stderr,
+ "Failed to parse IPv4 address `%s'\n",
+ address);
exit (1);
}
if (-1 == (fd = socket (PF_INET, SOCK_DGRAM, 0)))
{
- fprintf (stderr, "Error creating socket: %s\n", strerror (errno));
+ fprintf (stderr,
+ "Error creating socket: %s\n",
+ strerror (errno));
exit (1);
}
*/
if (-1 == ioctl (fd, SIOCSIFADDR, &ifr))
{
- fprintf (stderr, "ioctl failed at %d: %s\n", __LINE__, strerror (errno));
+ fprintf (stderr,
+ "ioctl failed at %d: %s\n",
+ __LINE__,
+ strerror (errno));
(void) close (fd);
exit (1);
}
addr = (struct sockaddr_in *) &(ifr.ifr_netmask);
if (1 != inet_pton (AF_INET, mask, &addr->sin_addr.s_addr))
{
- fprintf (stderr, "Failed to parse address `%s': %s\n", mask,
- strerror (errno));
+ fprintf (stderr,
+ "Failed to parse IPv4 address mask `%s'\n",
+ mask);
(void) close (fd);
exit (1);
}
*/
if (-1 == ioctl (fd, SIOCSIFNETMASK, &ifr))
{
- fprintf (stderr, "ioctl failed at line %d: %s\n", __LINE__,
+ fprintf (stderr,
+ "ioctl failed at line %d: %s\n",
+ __LINE__,
strerror (errno));
(void) close (fd);
exit (1);
/* write refers to reading from stdin, writing to fd_tun */
int write_open = 1;
- while ((1 == read_open) || (1 == write_open))
+ while ((1 == read_open) && (1 == write_open))
{
FD_ZERO (&fds_w);
FD_ZERO (&fds_r);
MAX_SIZE - sizeof (struct GNUNET_MessageHeader));
if (-1 == buftun_size)
{
- fprintf (stderr, "read-error: %s\n", strerror (errno));
+ fprintf (stderr,
+ "read-error: %s\n",
+ strerror (errno));
shutdown (fd_tun, SHUT_RD);
shutdown (1, SHUT_WR);
read_open = 0;
#if !DEBUG
if (errno != EPIPE)
#endif
- fprintf (stderr, "write-error to stdout: %s\n", strerror (errno));
+ fprintf (stderr,
+ "write-error to stdout: %s\n",
+ strerror (errno));
shutdown (fd_tun, SHUT_RD);
shutdown (1, SHUT_WR);
read_open = 0;
bufin_size = read (0, bufin + bufin_rpos, MAX_SIZE - bufin_rpos);
if (-1 == bufin_size)
{
- fprintf (stderr, "read-error: %s\n", strerror (errno));
+ fprintf (stderr,
+ "read-error: %s\n",
+ strerror (errno));
shutdown (0, SHUT_RD);
shutdown (fd_tun, SHUT_WR);
write_open = 0;
set_address4 (dev, address, mask);
}
-
+
uid_t uid = getuid ();
#ifdef HAVE_SETRESUID
if (0 != setresuid (uid, uid, uid))