Consistently allocate device and iface variables on the heap.

This fixes a segfault when no Device has been specified and tinc exits, and it
would try to free() a static string. Thanks to Borg for spottin.
This commit is contained in:
Guus Sliepen 2009-01-03 22:06:10 +01:00
parent f81cea3bdc
commit b069da90d6
7 changed files with 26 additions and 23 deletions

View file

@ -29,12 +29,13 @@
#include "logger.h"
#include "utils.h"
#include "route.h"
#include "xalloc.h"
int device_fd = -1;
char *device;
char *iface;
char ifrname[IFNAMSIZ];
char *device_info;
static char ifrname[IFNAMSIZ];
static char *device_info;
static int device_total_in = 0;
static int device_total_out = 0;
@ -46,12 +47,11 @@ bool setup_device(void)
cp();
if(!get_config_string
(lookup_config(config_tree, "Interface"), &iface))
iface = "eth0";
if(!get_config_string(lookup_config(config_tree, "Interface"), &iface))
iface = xstrdup("eth0");
if(!get_config_string(lookup_config(config_tree, "Device"), &device))
device = iface;
device = xstrdup(iface);
device_info = _("raw socket");