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Bug 181 - ark won't open rar archives fully encrypted with password (ie headers encrypted too, not only files)
Summary: ark won't open rar archives fully encrypted with password (ie headers encrypt...
Status: RESOLVED FIXED
Alias: None
Product: TDE
Classification: Unclassified
Component: tdeutils (show other bugs)
Version: 3.5.11 [Trinity]
Hardware: All All
: P4 minor
Assignee: jm82an4zn1
URL:
Depends on:
Blocks:
 
Reported: 2010-04-17 13:00 CDT by jm82an4zn1
Modified: 2012-10-19 15:25 CDT (History)
3 users (show)

See Also:
Compiler Version:
TDE Version String:
Application Version:
Application Name: ark

Attachments
file that doesn't get opened by ark (116 bytes, application/octet-stream)
2010-04-17 13:00 CDT, jm82an4zn1 		Details
diffpatch for kdeutils-kde3_3.5.12-0ubuntu6+r1075407 (1.42 KB, patch)
2010-04-27 12:20 CDT, jm82an4zn1 		Details | Diff
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Description jm82an4zn1 2010-04-17 13:00:01 CDT 
Created attachment 17 [details]
file that doesn't get opened by ark

to reproduce:

dd if=/dev/zero of=file bs=1 count=1024 #create new file
rar a -hppassword arkNOT.rar file  #create rar archive with password set which encrypts headers too (so the content filenames won't be visible if the correct password is not inserted)

-> in Ark, on open: "An error occurred while trying to open the archive"

if instead, file-only password encryption is applied all goes ok:
rar a -ppassword arkOK.rar file # <=this is opened fine in Ark then it asks password

Note: Ark for KDE4 does not work too (it stalls with a status of "Loading archive..."), gnome Fileroller works ok, of course cmdline rar or unrar works ok.
Maybe commandline shell output is useful for debugging,
as with full headers encrypted rar ask the password before reading the archive, and with only file encrypted it opens the archive normally then asks password for each file in the archive being extracted or updated.
Comment 1 jm82an4zn1 2010-04-27 12:20:32 CDT 
Created attachment 19 [details]
diffpatch for kdeutils-kde3_3.5.12-0ubuntu6+r1075407

Fixes open/extract rar archives with header encrypted (password), eg the file formerly attached.
The patch modifies ark to always check for error message from rar/unrar on open so that can spot if password is required, then asks user to feed it.
Comment 2 jm82an4zn1 2010-04-27 12:25:40 CDT 
(In reply to comment #1)

> Fixes open/extract rar archives with header encrypted (password), eg the file
> formerly attached.

Well 
I forgot to attach the test archive, can create it with:
touch file
rar a -hppassword arkNOT.rar file 

The archive arkNOT.rar should be the one that without patching does not get opened/extracted

Otherwise normal password encryption would work as eg
touch file
rar a -ppassword arkOK.rar file 

AND even after patch it works, of course.

Other formats support is not broken after applying the patch. (7z still is not correctly supported for password encryption, but that is another issue)
Comment 3 Timothy Pearson 2010-04-27 23:03:53 CDT 
Patch looks sane, uploaded to SVN in revision 1119969.

Thanks for reporting, and also thanks to jm82an4zn1@sxipper.net for the patch!