Public bug reported:
When the encoded filename happens to contain a slash (or several),
munpack saves the attachment in a directory hierarchy:
$ munpack 1.eml
tempdesc.txt: File exists
=XGBKXBXu9i4tDQ3Msba09/H6deosaguZG9jX= (application/msword)
$ ls -l
-rw-rw-r-- 1 nico nico 20700 1.eml
drwxrwxr-x 2 nico nico 4096 =XGBKXBXu9i4tDQ3Msba09
$ ls -l =XGBKXBXu9i4tDQ3Msba09/
-rw------- 1 nico nico 13824 H6deosaguZG9jX=
The best fix would be to decode the filename too. In this example
=XGBKXBXu9i4tDQ3Msba09/H6deosaguZG9jX= can be decoded to 回复472期舆情专报.doc
as shown by the command below:
$ perl -C -E 'use Encode; say
Encode::decode("MIME-Header","=?GBK?B?u9i4tDQ3Msba09/H6deosaguZG9j?=");'
回复472期舆情专报.doc
** Affects: mpack (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1587320
Title:
munpack randomly saves attachment in folder hierarchy instead of
single file
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