A couple years ago, jailbreakme.com was also live but used a TIFF exploit.
If you want to see the actual exploit files, go to: http://jailbreakme.modmyi.com/_/ and you will see a list of PDF files by device and OS version.
http://blog.iphone-dev.org/
http://pastebin.com/hCKtL8qC
Some of that looks like Obj-C to me, what's the other stuff?
A couple years ago, jailbreakme.com was also live but used a TIFF exploit.
If you want to see the actual exploit files, go to: http://jailbreakme.modmyi.com/_/ and you will see a list of PDF files by device and OS version.