=================== BUG #5905: LATEST MODIFICATIONS ==================
http://savannah.nongnu.org/bugs/?func=detailbug&bug_id=5905&group_id=1968
Changes by: Earl Hood <earl(_at_)earlhood(_dot_)com>
Date: Fri 10/17/2003 at 17:19 (US/Central)
What | Removed | Added
---------------------------------------------------------------------------
Resolution | None | Fixed
Fixed Release | | CVS
CC | |
lists(_at_)lhs(_dot_)com(_dot_)ar
------------------ Additional Follow-up Comments ----------------------------
Conversion of relative URLs to full URLs has been redone.
Since readmail.pl had a similiar function as in
mhtxthtml.pl, the readmail version was redone and
mhtxthtml.pl changed to use it.
The Perl error does no long occurs with provided sample
message, and the possibility of the error to occur should
be zero (famous last words) since argument to slice() is
checked beforehand.
=================== BUG #5905: FULL BUG SNAPSHOT ===================
Submitted by: ehood Project: MHonArc
Submitted on: Sun 10/12/2003 at 23:25
Category: MIME Filter Severity: 5 - Major
Bug Group: Crash Error Resolution: Fixed
Assigned to: None Status: Open
Platform Version: All Perl Version: All
Component Version: <=2.6.8 Fixed Release: CVS
Summary: Modification of non-creatable array value attempted
Original Submission:
(Problem initially reported by Franco Galian to the
mhonarc-users list.)
For certain message types, the following Perl error message
is generated:
Modification of non-creatable array value attempted,
subscript -2 at lib/mhtxthtml.pl line 376, <GEN0> line 27.
Franco has supplied sample message that re-creates the
problem via private mail.
Follow-up Comments
*******************
-------------------------------------------------------
Date: Fri 10/17/2003 at 17:19 By: ehood
Conversion of relative URLs to full URLs has been redone.
Since readmail.pl had a similiar function as in
mhtxthtml.pl, the readmail version was redone and
mhtxthtml.pl changed to use it.
The Perl error does no long occurs with provided sample
message, and the possibility of the error to occur should
be zero (famous last words) since argument to slice() is
checked beforehand.
-------------------------------------------------------
Date: Sun 10/12/2003 at 23:49 By: ehood
Initial analysis shows that problem occurs when the
base URL of an HTML message is determined to be just
the protocol string (e.g. "http://";) and nothing more
(btw, this problem could technically affect readmail.pl
also).
In the sample message, the base is computed to be
"file://" -- that's it. Actually, the message uses
'' as path separator for the pathname compoent,
but that is not legal, and I have no desire to to deal
with it. Therefore, mhtxthtml.pl computes the base
URL (from the <BASE> tag) to just be "file://".
Regardless, a decision needs to be made on how to handle
cases where the base URL is bogus, like "http://"; (no
hostname component is present). At a minimum, the code
needs to so some integrity checks to avoid the Perl error
message. Trying to validate the URL may be a pain since
it would require knowing all possible URL schemes.
CC List
*******
CC Address | Comment
------------------------------------+-----------------------------
lists(_at_)lhs(_dot_)com(_dot_)ar |
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