diff options
Diffstat (limited to 'src/libnet_link_bpf.c')
| -rw-r--r-- | src/libnet_link_bpf.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/src/libnet_link_bpf.c b/src/libnet_link_bpf.c index 83bac52..73049ab 100644 --- a/src/libnet_link_bpf.c +++ b/src/libnet_link_bpf.c @@ -309,8 +309,10 @@ libnet_get_hwaddr(libnet_t *l) for (next = buf ; next < end ; next += ifm->ifm_msglen) { ifm = (struct if_msghdr *)next; + if (ifm->ifm_version != RTM_VERSION) continue; + if (ifm->ifm_type == RTM_IFINFO) { sdl = (struct sockaddr_dl *)(ifm + 1); @@ -336,12 +338,14 @@ libnet_get_hwaddr(libnet_t *l) } } free(buf); - if (next == end) { + if (next == end) + { snprintf(l->err_buf, LIBNET_ERRBUF_SIZE, "%s(): interface %s of known type not found.", __func__, l->device); return NULL; } + return (&l->link_addr); } |