diff options
| -rw-r--r-- | libnet/src/libnet_link_bpf.c | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/libnet/src/libnet_link_bpf.c b/libnet/src/libnet_link_bpf.c index 875a8e4..ec88546 100644 --- a/libnet/src/libnet_link_bpf.c +++ b/libnet/src/libnet_link_bpf.c @@ -314,7 +314,11 @@ libnet_get_hwaddr(libnet_t *l) if (ifm->ifm_type == RTM_IFINFO) { sdl = (struct sockaddr_dl *)(ifm + 1); - if (sdl->sdl_type != IFT_ETHER) + if (sdl->sdl_type != IFT_ETHER + && sdl->sdl_type != IFT_FASTETHER + && sdl->sdl_type != IFT_FASTETHERFX + && sdl->sdl_type != IFT_GIGABITETHERNET + && sdl->sdl_type != IFT_L2VLAN) continue; if (strncmp(&sdl->sdl_data[0], l->device, sdl->sdl_nlen) == 0) { @@ -324,6 +328,12 @@ libnet_get_hwaddr(libnet_t *l) } } free(buf); + if (next == end) { + snprintf(l->err_buf, LIBNET_ERRBUF_SIZE, + "%s(): interface %s of known type not found.", + __func__, l->device); + return NULL; + } return (&ea); } |