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| author | Volker Lendecke <vl@samba.org> | 2011-01-05 14:35:11 +0100 |
|---|---|---|
| committer | Volker Lendecke <vl@samba.org> | 2011-01-07 13:28:07 +0100 |
| commit | dab6a35f4cf6a7e8a3c05319e891e06887d63998 (patch) | |
| tree | e97a8aaf88b711b47e46d6eeed173f35d7cbf9e4 /source3/libsmb | |
| parent | 0cff82e054cea6b473dcfa6de840ece7327ef6ca (diff) | |
| download | samba-dab6a35f4cf6a7e8a3c05319e891e06887d63998.tar.gz samba-dab6a35f4cf6a7e8a3c05319e891e06887d63998.tar.bz2 samba-dab6a35f4cf6a7e8a3c05319e891e06887d63998.zip | |
s3: Limit the number of unexpected clients to 200
DoS protection like the max winbind clients. Settable by
nmbd:unexpected_clients
Diffstat (limited to 'source3/libsmb')
| -rw-r--r-- | source3/libsmb/unexpected.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/source3/libsmb/unexpected.c b/source3/libsmb/unexpected.c index 7ec5800e69..4543ffe7c6 100644 --- a/source3/libsmb/unexpected.c +++ b/source3/libsmb/unexpected.c @@ -481,6 +481,15 @@ static void nb_packet_server_listener(struct tevent_context *ev, DLIST_ADD(server->clients, client); server->num_clients += 1; + + if (server->num_clients > server->max_clients) { + DEBUG(10, ("Too many clients, dropping oldest\n")); + + /* + * no TALLOC_FREE here, don't mess with the list structs + */ + talloc_free(server->clients->prev); + } } static ssize_t nb_packet_client_more(uint8_t *buf, size_t buflen, |