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| author | Jeremy Allison <jra@samba.org> | 2007-05-19 01:27:34 +0000 |
|---|---|---|
| committer | Gerald (Jerry) Carter <jerry@samba.org> | 2007-10-10 12:22:14 -0500 |
| commit | 63e74f305920a44606d1b0380c605e00fca14940 (patch) | |
| tree | 97d412098dee0cffea0ccc7cbe20df92dd7da46c /source3 | |
| parent | 92dba2329fcdb00a756d670bbb303091426a4147 (diff) | |
| download | samba-63e74f305920a44606d1b0380c605e00fca14940.tar.gz samba-63e74f305920a44606d1b0380c605e00fca14940.tar.bz2 samba-63e74f305920a44606d1b0380c605e00fca14940.zip | |
r23007: Ensure we don't allow large read over the possible
packet size.
Jeremy.
(This used to be commit 5d465dd2d559df29d18a844137c8e14ffbb1a269)
Diffstat (limited to 'source3')
| -rw-r--r-- | source3/smbd/reply.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/source3/smbd/reply.c b/source3/smbd/reply.c index 24fff5da52..c71c7b8bea 100644 --- a/source3/smbd/reply.c +++ b/source3/smbd/reply.c @@ -2718,6 +2718,10 @@ int reply_read_and_X(connection_struct *conn, char *inbuf,char *outbuf,int lengt if (srv_is_signing_active() || srv_encryption_on()) { return ERROR_NT(NT_STATUS_NOT_SUPPORTED); } + /* Is there room in the reply for this data ? */ + if (smb_maxcnt > (0xFFFFFF - (smb_size -4 + 12*2))) { + return ERROR_NT(NT_STATUS_INVALID_PARAMETER); + } big_readX = True; } } |