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CVE-2016-2115: s3:libsmb: add signing constant SMB_SIGNING_IPC_DEFAULT

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SMB_SIGNING_IPC_DEFAULT must be used from s3 client code when opening
RPC connections.

BUG: https://bugzilla.samba.org/show_bug.cgi?id=11756

Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Stefan Metzmacher <metze@samba.org>
This commit is contained in:
Ralph Boehme
2015-12-16 09:55:37 +01:00
committed by Stefan Metzmacher
parent a046ffd6cd
commit b720575f16
5 changed files with 16 additions and 1 deletions
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9
source3/libsmb/clientgen.c
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@ -170,6 +170,15 @@ struct cli_state *cli_state_create(TALLOC_CTX *mem_ctx,
use_level_II_oplocks = true;
}
if (signing_state == SMB_SIGNING_IPC_DEFAULT) {
/*
* Ensure for IPC/RPC the default is to require
* signing unless explicitly turned off by the
* administrator.
*/
signing_state = lp_client_ipc_signing();
}
if (signing_state == SMB_SIGNING_DEFAULT) {
signing_state = lp_client_signing();
}