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s3: smbd: Allow openat_pathref_dirfsp_nosymlink() to return NT_STATUS_PATH_NOT_COVERED for a DFS link on a DFS share.

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BUG: https://bugzilla.samba.org/show_bug.cgi?id=15144

Signed-off-by: Jeremy Allison <jra@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>
This commit is contained in:
Jeremy Allison 2022-08-08 11:31:39 -07:00
parent a92f4f7af0
commit b5f6809593
1 changed files with 12 additions and 0 deletions
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12
source3/smbd/files.c
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@ -856,6 +856,18 @@ next:
*unparsed = len - parsed; *unparsed = len - parsed;
} }
} }
/*
* If we're on an MSDFS share, see if this is
* an MSDFS link.
*/
if (lp_host_msdfs() &&
lp_msdfs_root(SNUM(conn)) &&
(substitute != NULL) &&
strnequal(*substitute, "msdfs:", 6) &&
is_msdfs_link(dirfsp, &rel_fname))
{
status = NT_STATUS_PATH_NOT_COVERED;
}
} else { } else {
DBG_DEBUG("readlink_talloc failed: %s\n", DBG_DEBUG("readlink_talloc failed: %s\n",