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s3: smbd: In call_trans2qfilepathinfo(), we must have an existing object in the QPATHINFO case.

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qpathinfo must operate on an existing file, so we
can exit early if filename_convert() returned the "new file"
NT_STATUS_OK, !VALID_STAT case.

Signed-off-by: Jeremy Allison <jra@samba.org>
Reviewed-by: Noel Power <npower@samba.org>
This commit is contained in:
Jeremy Allison 2021-12-14 09:46:51 -08:00
parent 834aa7bb01
commit 6000d3408e
1 changed files with 11 additions and 0 deletions
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11
source3/smbd/trans2.c
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@ -6110,6 +6110,17 @@ static void call_trans2qfilepathinfo(connection_struct *conn,
return;
}
/*
* qpathinfo must operate on an existing file, so we
* can exit early if filename_convert() returned the "new file"
* NT_STATUS_OK, !VALID_STAT case.
*/
if (!VALID_STAT(smb_fname->st)) {
reply_nterror(req, NT_STATUS_OBJECT_NAME_NOT_FOUND);
return;
}
/*
* smb_fname->fsp may be NULL if smb_fname points at a symlink
* and we're in POSIX context, so be careful when using fsp