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Add a paranoia check on incoming PDUs

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(This used to be commit 8b81b85200b7ca18cf81fdbbc3254d8578b35f43)
This commit is contained in:
Volker Lendecke 2008-09-12 21:19:37 +02:00
parent fd7635a116
commit f8f1679bc4
1 changed files with 7 additions and 0 deletions
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7
source3/libsmb/async_smb.c
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@ -759,6 +759,13 @@ static void handle_incoming_pdu(struct cli_state *cli)
}
if ((IVAL(pdu, 4) != 0x424d53ff) /* 0xFF"SMB" */
&& (IVAL(pdu, 4) != 0x424d45ff)) /* 0xFF"EMB" */ {
DEBUG(10, ("Got non-SMB PDU\n"));
status = NT_STATUS_INVALID_NETWORK_RESPONSE;
goto invalidate_requests;
}
/*
* TODO: Handle oplock break requests
*/