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Difference between revisions of "Research: Re-allowing unsigned ramdisks and boot-args with the 2.* iBoot"
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+ | ==Ramdisks== |
| + | Ramdisks will run from the get go, just use xpwntool to pack / encrypt them using a vanilla ramdisk as the template. I am not sure if xpwntool will do this, so you may want to check the header to make sure the correct info (sizes etc) are there. |
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| + | ==boot-args== |
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| − | Without decompiling iBoot 2.x, we can use openiboot. |
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| + | They use a buffer that is passed on when booting a kernel for boot args, the difference in 2.x is that the boot-args NVRAM var is totally ignored. Not only would a 'patch' be needed, but some code would actually need to be added, somehow. |
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| − | :*For boot-args through libibooter |
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| − | :*Ramdisk exploitation |
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| − | :*Or even to open up the NAND to be mounted through USB on your computer. |
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Latest revision as of 20:56, 25 September 2013
Ramdisks
Ramdisks will run from the get go, just use xpwntool to pack / encrypt them using a vanilla ramdisk as the template. I am not sure if xpwntool will do this, so you may want to check the header to make sure the correct info (sizes etc) are there.
boot-args
They use a buffer that is passed on when booting a kernel for boot args, the difference in 2.x is that the boot-args NVRAM var is totally ignored. Not only would a 'patch' be needed, but some code would actually need to be added, somehow.
