Fixed possibly non-null terminated string in spgw.

7 years ago · 05576df327
parent fd7ba9852b
commit 05576df327
1 changed files with 3 additions and 1 deletions
--- a/srsepc/src/spgw/spgw.cc
+++ b/srsepc/src/spgw/spgw.cc
@ -175,7 +175,9 @@ spgw::init_sgi_if(spgw_args_t *args)

  memset(&ifr, 0, sizeof(ifr));
  ifr.ifr_flags = IFF_TUN | IFF_NO_PI;
-  strncpy(ifr.ifr_ifrn.ifrn_name, dev, IFNAMSIZ);
+  strncpy(ifr.ifr_ifrn.ifrn_name, dev, IFNAMSIZ-1);
+  ifr.ifr_ifrn.ifrn_name[IFNAMSIZ-1]='\0';
+
  if(ioctl(m_sgi_if, TUNSETIFF, &ifr) < 0)
  {
      m_spgw_log->error("Failed to set TUN device name: %s\n", strerror(errno));