diff options
| -rw-r--r-- | accel-pppd/ctrl/pppoe/pppoe.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/accel-pppd/ctrl/pppoe/pppoe.c b/accel-pppd/ctrl/pppoe/pppoe.c index 12c274bb..092f0f32 100644 --- a/accel-pppd/ctrl/pppoe/pppoe.c +++ b/accel-pppd/ctrl/pppoe/pppoe.c @@ -487,6 +487,17 @@ static void print_packet(uint8_t *pack) for (n = 0; n < ntohs(hdr->length); n += sizeof(*tag) + ntohs(tag->tag_len)) { tag = (struct pppoe_tag *)(pack + ETH_HLEN + sizeof(*hdr) + n); + + if (n + sizeof(*tag) > ntohs(hdr->length)) { + log_info2(" ..."); + break; + } + + if (n + sizeof(*tag) + ntohs(tag->tag_len) > ntohs(hdr->length)) { + log_info2(" ..."); + break; + } + switch (ntohs(tag->tag_type)) { case TAG_END_OF_LIST: log_info2(" <End-Of-List>"); |