diff options
| author | Ivan Nardi <12729895+IvanNardi@users.noreply.github.com> | 2022-02-10 11:46:32 +0100 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2022-02-10 11:46:32 +0100 |
| commit | ada7d32c50d8930f1a1a0707cb55b2053e348373 (patch) | |
| tree | 1452878c558bfe22b5a5ccdd3442a871868204e2 /src/lib | |
| parent | 1431aa3d1c7cc27bf5cd1f08e485c2fd36c653ed (diff) | |
HSRP: fix dissection over IPv6 (#1443)
Handle all message types.
Diffstat (limited to 'src/lib')
| -rw-r--r-- | src/lib/protocols/hsrp.c | 4 |
1 files changed, 1 insertions, 3 deletions
diff --git a/src/lib/protocols/hsrp.c b/src/lib/protocols/hsrp.c index 6852c0da4..a34205f99 100644 --- a/src/lib/protocols/hsrp.c +++ b/src/lib/protocols/hsrp.c @@ -42,9 +42,7 @@ void ndpi_search_hsrp(struct ndpi_detection_module_struct *ndpi_struct, port_to_match = htons(HSRP_PORT_V6); if((packet->udp->source == port_to_match) && (packet->udp->dest == port_to_match) - && (packet->payload_packet_len >= 42) - && (packet->payload[2] == 0x02) /* Version 2 */ - && (packet->payload[5] == 0x06) /* IPv6 */ + && (packet->payload[0] <= 0x04) /* Message type */ && (ntohl(packet->iphv6->ip6_dst.u6_addr.u6_addr32[0]) == 0xFF020000) && (ntohl(packet->iphv6->ip6_dst.u6_addr.u6_addr32[1]) == 0x00000000) && (ntohl(packet->iphv6->ip6_dst.u6_addr.u6_addr32[2]) == 0x00000000) |