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1e628bb
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utils: fix possibly unterminated ifname string
author
Jo-Philipp Wich
<jow@openwrt.org>
Thu, 29 Oct 2015 09:53:48 +0000
(10:53 +0100)
committer
Jo-Philipp Wich
<jow@openwrt.org>
Thu, 29 Oct 2015 09:53:48 +0000
(10:53 +0100)
Signed-off-by: Jo-Philipp Wich <jow@openwrt.org>
iwinfo_utils.c
patch
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diff --git
a/iwinfo_utils.c
b/iwinfo_utils.c
index
3b993d1
..
3090c4c
100644
(file)
--- a/
iwinfo_utils.c
+++ b/
iwinfo_utils.c
@@
-81,7
+81,7
@@
int iwinfo_ifup(const char *ifname)
{
struct ifreq ifr;
- strncpy(ifr.ifr_name, ifname, IFNAMSIZ);
+ strncpy(ifr.ifr_name, ifname, IFNAMSIZ
- 1
);
if (iwinfo_ioctl(SIOCGIFFLAGS, &ifr))
return 0;
@@
-95,7
+95,7
@@
int iwinfo_ifdown(const char *ifname)
{
struct ifreq ifr;
- strncpy(ifr.ifr_name, ifname, IFNAMSIZ);
+ strncpy(ifr.ifr_name, ifname, IFNAMSIZ
- 1
);
if (iwinfo_ioctl(SIOCGIFFLAGS, &ifr))
return 0;
@@
-109,7
+109,7
@@
int iwinfo_ifmac(const char *ifname)
{
struct ifreq ifr;
- strncpy(ifr.ifr_name, ifname, IFNAMSIZ);
+ strncpy(ifr.ifr_name, ifname, IFNAMSIZ
- 1
);
if (iwinfo_ioctl(SIOCGIFHWADDR, &ifr))
return 0;