diff options
| author | Tobias Klauser <tklauser@distanz.ch> | 2016-08-02 10:16:54 +0200 |
|---|---|---|
| committer | Tobias Klauser <tklauser@distanz.ch> | 2016-08-02 10:19:32 +0200 |
| commit | a378db32a6e88a04d839bf2c2f27f62d81986186 (patch) | |
| tree | 4c899713a082fe8cf7edd77a2957049bc0445e0b | |
| parent | da6e1d1108ad22d68ccbff07fb569afebb265bf7 (diff) | |
dissectors: ethernet: Don't resolve OUI for locally administered addresses
Locally administered addresses do not contain an OUI, thus do not try to
resolve it. Instead show "Locally Administered" as the vendor string.
Signed-off-by: Tobias Klauser <tklauser@distanz.ch>
| -rw-r--r-- | proto_ethernet.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/proto_ethernet.c b/proto_ethernet.c index 9bb0042..bd84acc 100644 --- a/proto_ethernet.c +++ b/proto_ethernet.c @@ -25,6 +25,11 @@ static inline bool is_broadcast_ether_addr(const uint8_t *mac) return (mac[0] & mac[1] & mac[2] & mac[3] & mac[4] & mac[5]) == 0xff; } +static inline bool is_local_ether_addr(const u8 *mac) +{ + return 0x02 & mac[0]; +} + static const char *ether_lookup_addr(const uint8_t *mac) { if (is_multicast_ether_addr(mac)) { @@ -32,6 +37,8 @@ static const char *ether_lookup_addr(const uint8_t *mac) return "Broadcast"; else return "Multicast"; + } else if (is_local_ether_addr(mac)) { + return "Locally Administered"; } /* found no matching address, so look up the vendor from OUI */ |