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nhrpd: Use strlcpy not unsafe strncpy

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Signed-off-by: Reuben Dowle <reuben.dowle@4rf.com>
This commit is contained in:
Reuben Dowle 2021-03-04 14:03:07 +13:00
parent 0f8595a9f4
commit ca317495b8
1 changed files with 6 additions and 1 deletions
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7
nhrpd/linux.c
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@ -32,6 +32,11 @@
#include "os.h" #include "os.h"
#include "netlink.h" #include "netlink.h"
#ifndef HAVE_STRLCPY
size_t strlcpy(char *__restrict dest,
const char *__restrict src, size_t destsize);
#endif
static int nhrp_socket_fd = -1; static int nhrp_socket_fd = -1;
int os_socket(void) int os_socket(void)
@ -112,7 +117,7 @@ static int linux_configure_arp(const char *iface, int on)
{ {
struct ifreq ifr; struct ifreq ifr;
strncpy(ifr.ifr_name, iface, IFNAMSIZ - 1); strlcpy(ifr.ifr_name, iface, IFNAMSIZ);
if (ioctl(nhrp_socket_fd, SIOCGIFFLAGS, &ifr)) if (ioctl(nhrp_socket_fd, SIOCGIFFLAGS, &ifr))
return -1; return -1;