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libcli: Add debug message if fail to negoatiate SMB protocol

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Currently if the client and server can't negotiate an SMB protocol, you
just get the followiing error on the client-side, which doesn't tell you
much.
ERROR(runtime): uncaught exception - (3221225667, 'The network responded
incorrectly.')

This patch adds a debug message to help highlight what's actually going
wrong.

BUG: https://bugzilla.samba.org/show_bug.cgi?id=13621

Signed-off-by: Tim Beale <timbeale@catalyst.net.nz>
Reviewed-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>

Autobuild-User(master): Andrew Bartlett <abartlet@samba.org>
Autobuild-Date(master): Fri Sep 28 11:25:29 CEST 2018 on sn-devel-144
This commit is contained in:
Tim Beale 2018-09-27 09:53:24 +12:00 committed by Andrew Bartlett
parent 3787062664
commit 34cbd89fec
1 changed files with 1 additions and 0 deletions
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1
libcli/smb/smbXcli_base.c
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@ -4369,6 +4369,7 @@ static void smbXcli_negprot_smb1_done(struct tevent_req *subreq)
}
if (conn->protocol == PROTOCOL_NONE) {
DBG_ERR("No compatible protocol selected by server.\n");
tevent_req_nterror(req, NT_STATUS_INVALID_NETWORK_RESPONSE);
return;
}