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s3: rpcclient: Prevent null ptr access by returning error if no creds available

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Prevent rpccli_netlogon_password_logon being called with 'NULL' credentials.

BUG: https://bugzilla.samba.org/show_bug.cgi?id=11569

Signed-off-by: Noel Power <noel.power@suse.com>
Reviewed-by: Jeremy Allison <jra@samba.org>
Reviewed-by: Stefan Metzmacher <metze@samba.org>
This commit is contained in:
Noel Power 2015-11-02 09:59:12 +00:00 committed by Jeremy Allison
parent e8fab02773
commit 89940f39c6
1 changed files with 5 additions and 0 deletions
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5
source3/rpcclient/cmd_netlogon.c
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@ -800,6 +800,11 @@ static NTSTATUS cmd_netlogon_sam_logon(struct rpc_pipe_client *cli,
if (argc == 6)
sscanf(argv[5], "%x", &logon_param);
if (rpcclient_netlogon_creds == NULL) {
result = NT_STATUS_UNSUCCESSFUL;
goto done;
}
/* Perform the sam logon */
result = rpccli_netlogon_password_logon(rpcclient_netlogon_creds,