diff options
| author | Joe Hershberger <joe.hershberger@ni.com> | 2012-09-18 10:01:32 +0000 |
|---|---|---|
| committer | Joe Hershberger <joe.hershberger@ni.com> | 2012-09-24 13:55:44 -0500 |
| commit | 8a0eccb1056b313b45ab62e3aac400f339aa71b4 (patch) | |
| tree | f1392d5d87080b8c8059504544e9ae2ad3521aa6 /drivers/net | |
| parent | e827fec2b24d4412eabed3cf0080a08a0a7d148c (diff) | |
net: Filter incoming netconsole packets by IP
Check the incoming packets' source IP address... if ncip isn't set to a
broadcast address, only listen to the client at ncip.
Signed-off-by: Joe Hershberger <joe.hershberger@ni.com>
Diffstat (limited to 'drivers/net')
| -rw-r--r-- | drivers/net/netconsole.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/drivers/net/netconsole.c b/drivers/net/netconsole.c index 63ce73c818..dd7032af56 100644 --- a/drivers/net/netconsole.c +++ b/drivers/net/netconsole.c @@ -147,13 +147,17 @@ void NcStart(void) } } -int nc_input_packet(uchar *pkt, unsigned dest, unsigned src, unsigned len) +int nc_input_packet(uchar *pkt, IPaddr_t src_ip, unsigned dest_port, + unsigned src_port, unsigned len) { int end, chunk; - if (dest != nc_in_port || !len) + if (dest_port != nc_in_port || !len) return 0; /* not for us */ + if (src_ip != nc_ip && !is_broadcast(nc_ip)) + return 0; /* not from our client */ + debug_cond(DEBUG_DEV_PKT, "input: \"%*.*s\"\n", len, len, pkt); if (input_size == sizeof(input_buffer)) |