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Halt on Extract Prompting for a password

#1 User is offline   Ascii2 

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Posted 09 August 2008 - 12:44 PM

I am using Universal Extractor 1.6 beta with the current innounp pnpacker.

When attempting to extract some installers of Inno Setup type with Universal Extractor, the process halts and prompts:

Quote

Type in a password (empty string to quit)

How can Universal Extractor be made to finish the extraction?

This post has been edited by Ascii2: 09 August 2008 - 08:09 PM



#2 User is offline   mushu13 

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Posted 09 August 2008 - 08:14 PM

The installers in question must be password protected to prevent extraction.

The extraction can only be finished if you enter the correct password.

#3 User is offline   Ascii2 

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Posted 09 August 2008 - 08:22 PM

Is there a way of working around the password protection or a way of acquiring the password when the password is not known?

#4 User is online   Kelsenellenelvian 

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Posted 09 August 2008 - 09:32 PM

Wouldn't that be illegal??? :blink:

#5 User is offline   Ascii2 

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Posted 09 August 2008 - 09:33 PM

View PostKelsenellenelvian, on Aug 9 2008, 09:32 PM, said:

Wouldn't that be illegal??? :blink:
I do not believe so.

#6 User is offline   Acheron 

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Posted 14 August 2008 - 06:08 PM

Those files are encrypted files. You have to use the password to actualy decrypt the file. I could use it for Nero Lite if I wanted it :rolleyes:

#7 User is offline   Ascii2 

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Posted 14 August 2008 - 06:30 PM

A similar thread from another forum is similar to this one:

http://forums.winamp...threadid=293900

If the installer can continue its installation without prompting the user for a password, it should use the password itself during runtime. If the password is used during runtime it should be able to be captured.

I remember from a thread I read (although I do not remember where) that Inno Setup compares hashes, and the installer's hash or hash comparison can be modified to allow extraction to complete. I did not know how to actually accomplish such a thing.

#8 User is offline   Ascii2 

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Posted 17 August 2008 - 10:25 PM

I found the thread that seems to have found a way around the pssword protection (although I am still uncertain if it applies to installers that do not prompt for password during normal install process). The thread may be found:

http://forum.exetool...read.php?t=9137

What should be done to get around the password?

#9 User is offline   nitro322 

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Posted 11 October 2008 - 05:54 PM

Ascii2, as the other forum members have noted, Inno Setup provides the ability to encrypt installers using the optional encryption module found here:
http://www.innosetup.../isdl.php#crypt

In order to decrypt the installer (necessary for extraction), the proper password must be specified. By default, as you've obviously noticed, innounp can't support encrypted installers.

However, the post that you linked to looks like it may provide a way to work around it. I'd be interested in investigating it for the next version of UniExtract. I recommend adding your suggestion to the feature request thread to make sure I don't forget about it.

#10 User is offline   Ascii2 

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Posted 12 October 2008 - 02:23 PM

I have added the feature request to the MSFN Feature Request thread at http://www.msfn.org/board/Universal-Extrac...tu-t124535.html .

#11 User is offline   tmcdos 

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Posted 20 October 2008 - 11:29 AM

There is also another issue with UniExtract - it does not work with innounp 0.23.
Simply refuses to recognize the packer ...

This post has been edited by tmcdos: 20 October 2008 - 11:37 AM


#12 User is offline   voorhees 

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Posted 12 December 2008 - 08:44 AM

newest innouno 0.23 is working nice, you probably not put in same folder (bin in case of UniExt) new folder with language dll's (for english example: \bin\Lang\1033.dll) which come with innounp.exe

This post has been edited by voorhees: 12 December 2008 - 08:45 AM


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