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[GNUnet-SVN] r37047 - gnunet/src/exit
From: |
gnunet |
Subject: |
[GNUnet-SVN] r37047 - gnunet/src/exit |
Date: |
Mon, 18 Apr 2016 14:08:41 +0200 |
Author: daniel
Date: 2016-04-18 14:08:41 +0200 (Mon, 18 Apr 2016)
New Revision: 37047
Modified:
gnunet/src/exit/gnunet-helper-exit.c
Log:
exit: fully skip routing setup if no interface is specified
Modified: gnunet/src/exit/gnunet-helper-exit.c
===================================================================
--- gnunet/src/exit/gnunet-helper-exit.c 2016-04-18 12:08:38 UTC (rev
37046)
+++ gnunet/src/exit/gnunet-helper-exit.c 2016-04-18 12:08:41 UTC (rev
37047)
@@ -667,28 +667,31 @@
fprintf (stderr, "Fatal: disabling both IPv4 and IPv6 makes no sense.\n");
return 1;
}
- if (0 == access ("/sbin/iptables", X_OK))
- sbin_iptables = "/sbin/iptables";
- else if (0 == access ("/usr/sbin/iptables", X_OK))
- sbin_iptables = "/usr/sbin/iptables";
- else
+ if (0 != strcmp (argv[2], "-"))
{
- fprintf (stderr,
- "Fatal: executable iptables not found in approved directories:
%s\n",
- strerror (errno));
- return 1;
+ if (0 == access ("/sbin/iptables", X_OK))
+ sbin_iptables = "/sbin/iptables";
+ else if (0 == access ("/usr/sbin/iptables", X_OK))
+ sbin_iptables = "/usr/sbin/iptables";
+ else
+ {
+ fprintf (stderr,
+ "Fatal: executable iptables not found in approved directories:
%s\n",
+ strerror (errno));
+ return 1;
+ }
+ if (0 == access ("/sbin/sysctl", X_OK))
+ sbin_sysctl = "/sbin/sysctl";
+ else if (0 == access ("/usr/sbin/sysctl", X_OK))
+ sbin_sysctl = "/usr/sbin/sysctl";
+ else
+ {
+ fprintf (stderr,
+ "Fatal: executable sysctl not found in approved directories:
%s\n",
+ strerror (errno));
+ return 1;
+ }
}
- if (0 == access ("/sbin/sysctl", X_OK))
- sbin_sysctl = "/sbin/sysctl";
- else if (0 == access ("/usr/sbin/sysctl", X_OK))
- sbin_sysctl = "/usr/sbin/sysctl";
- else
- {
- fprintf (stderr,
- "Fatal: executable sysctl not found in approved directories: %s\n",
- strerror (errno));
- return 1;
- }
strncpy (dev, argv[1], IFNAMSIZ);
dev[IFNAMSIZ - 1] = '\0';
@@ -718,6 +721,7 @@
}
set_address6 (dev, address, prefix_len);
}
+ if (0 != strcmp (argv[2], "-"))
{
char *const sysctl_args[] =
{
@@ -740,29 +744,31 @@
set_address4 (dev, address, mask);
}
+ if (0 != strcmp (argv[2], "-"))
{
- char *const sysctl_args[] =
- {
- "sysctl", "-w", "net.ipv4.ip_forward=1", NULL
- };
- if (0 != fork_and_exec (sbin_sysctl,
- sysctl_args))
{
- fprintf (stderr,
- "Failed to enable IPv4 forwarding. Will continue anyway.\n");
+ char *const sysctl_args[] =
+ {
+ "sysctl", "-w", "net.ipv4.ip_forward=1", NULL
+ };
+ if (0 != fork_and_exec (sbin_sysctl,
+ sysctl_args))
+ {
+ fprintf (stderr,
+ "Failed to enable IPv4 forwarding. Will continue
anyway.\n");
+ }
}
- }
- if (0 != strcmp (argv[2], "-"))
- {
- char *const iptables_args[] =
- {
- "iptables", "-t", "nat", "-A", "POSTROUTING", "-o", argv[2], "-j",
"MASQUERADE", NULL
- };
- if (0 != fork_and_exec (sbin_iptables,
- iptables_args))
{
- fprintf (stderr,
- "Failed to enable IPv4 masquerading (NAT). Will continue
anyway.\n");
+ char *const iptables_args[] =
+ {
+ "iptables", "-t", "nat", "-A", "POSTROUTING", "-o", argv[2], "-j",
"MASQUERADE", NULL
+ };
+ if (0 != fork_and_exec (sbin_iptables,
+ iptables_args))
+ {
+ fprintf (stderr,
+ "Failed to enable IPv4 masquerading (NAT). Will continue
anyway.\n");
+ }
}
}
}
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