What it is

The MobileInstallation framework controls and regulates application installation on the iPhone and iPod Touch. The libmis.dylib library contains many functions that MobileInstallation uses.

Patches

Firmware 2.1

MobileInstallation

Found in: /System/Library/PrivateFrameworks/MobileInstallation.framework/MobileInstallation

| Offset | Old | New | Function | |:-----------|:--------|:--------|:-------------| | 9C74 | 00 40 A0 13 | 00 40 A0 E3 | No minimum OS version for AppStore applications (1/2) | | 9C78 | 04 00 00 1A | 04 00 00 EA | No minimum OS version for AppStore applications (2/2) | | 9D04 | 00 40 E0 E3 | 00 40 EA E3 | Always validate IPA signature (1/2) | | 9D14 | A4 04 00 0A | A4 04 00 EA | Always validate IPA signature (2/2) |

With MobileInstallation, make sure you use ldid or isha to rehash it!

libmis.dylib

Found in: /usr/lib/libmis.dylib

Please note that these patches are for specific situations, therefore some have not been tested. If you use one successfully, please post a comment indicating so.

| Offset | Old | New | Function | |:-----------|:--------|:--------|:-------------| | 1AA2 | 01 D1 | 01 E0 | If the device UUID is not included on the Provisioning Profile, do not error out (1/2) | | 1AA4 | 0B 48 | 00 20 | If the device UUID is not included on the Provisioning Profile, do not error out (2/2) | | 1AC6 | 05 48 | 00 20 | If an expired provisioning profile is loaded, do not error out |

Rehashing appears to not be needed, but I cannot fully confirm.

Errors

0xE8008003 - It was unable to get the Creation Date of the Provisioning Profile being loaded

0xE8008010 - Provisioning Profile Version is not equal to 1 (?)

0xE8008012 - The UUID of the device does not match any in the Provisioning Profile being loaded

0xE8008011 - The Provisioning Profile being loaded is expired

0xE8008003 - No UUID included in the Provisioning Profile that is being loaded