Re: SSH Tunnel Manager

James Urquhart — Wed, 18 Jul 2007 19:32:00 -0000

Hi Gaz,

Haha, i wondered if you would put your security hat on and investigate what secret code i inserted (thankfully none) :)

The XCode version i used was v2.4.1. And yes, i did miss out the step of making the arch option "i386 ppc".

With regards to security, i am surprised Apple haven't added some signing mechanism for applications, considering they are supposed to be security conscious. Actually, that sounds like a great idea for a third party app...

BTW, the comments are "textile formatted":http://en.wikipedia.org/wik.... I shall try and fix your comment for you.

Re: SSH Tunnel Manager

Gaz — Wed, 18 Jul 2007 19:32:00 -0000

Being paranoid and suspicious (it’s a prerequisite for teaching IT Security, sorry), I followed your recipe and compared the resulting app with the one you’re distributing…

$ diff -burpN azazil/SSH* cuppadev/SSH*
Binary files azazil/SSH Tunnel Manager.app/Contents/MacOS/SSH Tunnel Manager and cuppadev/SSH Tunnel Manager.app/Contents/MacOS/SSH Tunnel Manager differ
$ ls -l azazil/SSH Tunnel Manager.app/Contents/MacOS/SSH Tunnel Manager
56 -rwxr-xr-x 1 gary gary 57236 Jul 18 16:47 azazil/SSH Tunnel Manager.app/Contents/MacOS/SSH Tunnel Manager
$ ls -l cuppadev/SSH Tunnel Manager.app/Contents/MacOS/SSH Tunnel Manager
144 -rwxr-xr-x 1 gary gary 144132 Jul 18 11:49 cuppadev/SSH Tunnel Manager.app/Contents/MacOS/SSH Tunnel Manager

Hmmm…. I wonder what all that extra code is? Are you uploading my private keys to an anonymous ftp server somewhere? ;) But then I realised that you hadn’t explained how to configure the build as a Universal binary, and that I have just a slim intel binary. Incidentally, when I build a Universal version, my binary is still more than 3000 bytes larger than yours. Probably a slight difference between our versions of XCode. ;)
Cheers, Gary

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