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http://www.exim.org/bugzilla/show_bug.cgi?id=503
Summary: dsearch: use lstat() instead of stat()
Product: Exim
Version: 4.63
Platform: x86
OS/Version: Linux
Status: NEW
Severity: bug
Priority: medium
Component: Lookups
AssignedTo: ph10@???
ReportedBy: mail@???
QAContact: exim-dev@???
The specification says for the dsearch lookup:
| dsearch: The given file must be a directory; this is searched for a file
| whose name is the key. The key may not contain any forward slash
| characters. The result of a successful lookup is the name of the file.
I wanted to use dsearch and found that, if the directory contains symbolic
links, the link targets are inspected (instead of the links itself). I ran into
this because in my installation, the Exim user doesn't have any permissions for
the link target, even though there is a link in the directory whose name is the
key. The lookup didn't match in any case.
This is caused by the Ustat() call in src/lookups/dsearch.c:96 that should be
an Ulstat() call (referring to the 4.67 sources).
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