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IPhone Restore Procedure

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Revision as of 03:49, 16 May 2010 by Msft.guy (talk | contribs) (→‎iPhone side (Pre-Restore Preparation))
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Process

iTunes side

iTunes has pretty much no say in how the restore goes along. It will send the DeviceTree, RAMDisk, and Kernel (respectively, as far as I know), but in firmwares 1.1.1 and up the program on the RAMDisk pretty much runs the show. On the Restore RAMDisk, it is called 'restored_external'. On the Update RAMDisk, it is called 'restored_update'.

iPhone side (Pre-Restore Preparation)

Code that enables USB MUX (kernel module that forwards USB connections to TCP ports) Found at http://www.pastie.org/954389 See also: USBMuxConnectByPort 

#include <CoreFoundation/CoreFoundation.h>
#include "IOUSBDeviceControllerLib.h"
#include <IOKit/IOCFPlugIn.h>
#include <assert.h>
#define kIOSomethingPluginID CFUUIDGetConstantUUIDWithBytes(NULL, \
    0x9E, 0x72, 0x21, 0x7E, 0x8A, 0x60, 0x11, 0xDB, \
    0xBF, 0x57, 0x00, 0x0D, 0x93, 0x6D, 0x06, 0xD2)
#define kIOWhatTheFuckID CFUUIDGetConstantUUIDWithBytes(NULL, \
    0xEA, 0x33, 0xBA, 0x4F, 0x8A, 0x60, 0x11, 0xDB, \
    0x84, 0xDB, 0x00, 0x0D, 0x93, 0x6D, 0x06, 0xD2)

void init_usb() {
    IOUSBDeviceDescriptionRef desc = IOUSBDeviceDescriptionCreateFromDefaults(NULL);
    IOUSBDeviceDescriptionSetSerialString(desc, CFSTR("deadbeefdeadbeefdeadbeefdeadbeefdeadbeefdeadbeefdeadbeefdeadbeef"));
    IOUSBDeviceControllerRef controller;
    assert(!IOUSBDeviceControllerCreate(NULL, &controller));
    //assert(!IOUSBDeviceControllerSetDescription(controller, desc));
    CFMutableDictionaryRef match = IOServiceMatching("IOUSBDeviceInterface");
    CFMutableDictionaryRef dict = CFDictionaryCreateMutable(NULL, 0, &kCFTypeDictionaryKeyCallBacks, &kCFTypeDictionaryValueCallBacks);
    CFDictionarySetValue(dict, CFSTR("USBDeviceFunction"), CFSTR("PTP"));
    CFDictionarySetValue(match, CFSTR("IOPropertyMatch"), dict);
    io_service_t service;
    while(1) {
        service = IOServiceGetMatchingService(kIOMasterPortDefault, match);
        if(!service) {
            printf("Didn't find, trying again\n");
            sleep(1);
        } else {
            break;
        }
    }
    IOCFPlugInInterface **iface;
    SInt32 score;
    printf("123\n");
    assert(!IOCreatePlugInInterfaceForService(
        service,
        kIOSomethingPluginID,
        kIOCFPlugInInterfaceID,
        &iface,
        &score
        ));
    void *thing;
    assert(!((*iface)->QueryInterface)(iface, CFUUIDGetUUIDBytes(kIOWhatTheFuckID), &thing));
    IOReturn (**table)(void *, ...) = *((void **) thing);
    assert(!table[0x10/4](thing, 0));
    assert(!table[0x2c/4](thing, 0xff, 0));
    assert(!table[0x30/4](thing, 0x50, 0));
    assert(!table[0x34/4](thing, 0x43, 0));
    assert(!table[0x44/4](thing, 0));
    IODestroyPlugInInterface(iface);
    assert(!table[0x14/4](thing, 0));
}

iPhone side (Procedure)

Wait For Storage Device (wait_for_storage_device)

Create Filesystem Partitions (create_filesystem_partitions)

ASR Stuff (restore_images)

Mount Filesystems (mount_filesystems)

Fix Up /Var (fixup_var)

Unmount Filesystems (unmount_filesystems)

Clear Persistent Boot Args (clear_persistent_boot_args)

NOR Update Prep(update_NOR)

Actual NOR Update Routine(Img3_update_NOR)

Flash Individual NOR Image(Img3_flash_NOR_image)

Update Baseband (update_baseband)

Set Boot Stage (set_boot_stage)

End NAND Epoch Update (end_nand_epoch_update)

Set Final NVRAM Arguments (no official name)

Restore Log

//struct that the restore daemon gets the information for and sends back to iTunes
2008-10-19 16:46:57.000 iTunes[221:13fe7]: type query response = <CFDictionary 0x13e2db10 [0xa01101a0]>{type = mutable, count = 5, capacity = 12, pairs = (
	3 : <CFString 0x125be4b0 [0xa01101a0]>{contents = "SerialNumber"} = <CFString 0x1257f230 [0xa01101a0]>{contents = "xxxxxxxxxxx"} //censored for obvious reasons
	5 : <CFString 0x125f96e0 [0xa01101a0]>{contents = "Result"} = <CFString 0x125bc9c0 [0xa01101a0]>{contents = "Success"}
	9 : <CFString 0xa011ad80 [0xa01101a0]>{contents = "Type"} = <CFString 0x12301bd0 [0xa01101a0]>{contents = "com.apple.mobile.restored"}
	12 : <CFString 0xce76220 [0xa01101a0]>{contents = "HardwareModel"} = <CFString 0x1237e0e0 [0xa01101a0]>{contents = "N82AP"}
	13 : <CFString 0x11295040 [0xa01101a0]>{contents = "RestoreProtocolVersion"} = <CFNumber 0x1019ad0 [0xa01101a0]>{value = +11, type = kCFNumberSInt32Type}
)}

//'''???'''
2008-10-19 16:46:57.000 iTunes[221:13fe7]: unable to open /Users/willstrafach/Library/Caches/Cleanup At Startup/iPhone Temporary Files/Firmware/device_map.txt: No such file or directory

//device type
2008-10-19 16:46:57.000 iTunes[221:13fe7]: board config = n82ap

//restore process
2008-10-19 16:46:57.000 iTunes[221:13fe7]: <Restore Device 0x114f4a00>: operation 28 progress -1 //start [[iPhone Restore Daemon#wait_for_storage_device]] routine. 
2008-10-19 16:46:57.000 iTunes[221:13fe7]: <Restore Device 0x114f4a00>: operation 11 progress -1 //start [[iPhone Restore Daemon#create_filesystem_partitions]] routine.
2008-10-19 16:46:57.000 iTunes[221:13fe7]: <Restore Device 0x114f4a00>: operation 12 progress -1 //all prepared! after this point it performs a wipe and does the actual partition creation.
2008-10-19 16:47:03.000 iTunes[221:13fe7]: <Restore Device 0x114f4a00>: operation 12 progress -1 //???
2008-10-19 16:47:09.000 iTunes[221:13fe7]: <Restore Device 0x114f4a00>: operation 13 progress 0 
2008-10-19 16:47:19.000 iTunes[221:13fe7]: <Restore Device 0x114f4a00>: operation 13 progress 1
2008-10-19 16:47:27.000 iTunes[221:13fe7]: <Restore Device 0x114f4a00>: operation 13 progress 5
2008-10-19 16:47:28.000 iTunes[221:13fe7]: <Restore Device 0x114f4a00>: operation 13 progress 6
2008-10-19 16:47:31.000 iTunes[221:13fe7]: <Restore Device 0x114f4a00>: operation 13 progress 7
2008-10-19 16:47:33.000 iTunes[221:13fe7]: <Restore Device 0x114f4a00>: operation 13 progress 8
2008-10-19 16:47:36.000 iTunes[221:13fe7]: <Restore Device 0x114f4a00>: operation 13 progress 9
2008-10-19 16:47:38.000 iTunes[221:13fe7]: <Restore Device 0x114f4a00>: operation 13 progress 10
2008-10-19 16:47:39.000 iTunes[221:13fe7]: <Restore Device 0x114f4a00>: operation 13 progress 11
2008-10-19 16:47:40.000 iTunes[221:13fe7]: <Restore Device 0x114f4a00>: operation 13 progress 12
2008-10-19 16:47:41.000 iTunes[221:13fe7]: <Restore Device 0x114f4a00>: operation 13 progress 13
2008-10-19 16:47:41.000 iTunes[221:13fe7]: <Restore Device 0x114f4a00>: operation 13 progress 14
2008-10-19 16:47:43.000 iTunes[221:13fe7]: <Restore Device 0x114f4a00>: operation 13 progress 15
2008-10-19 16:47:44.000 iTunes[221:13fe7]: <Restore Device 0x114f4a00>: operation 13 progress 16
2008-10-19 16:47:45.000 iTunes[221:13fe7]: <Restore Device 0x114f4a00>: operation 13 progress 17
2008-10-19 16:47:46.000 iTunes[221:13fe7]: <Restore Device 0x114f4a00>: operation 13 progress 18
2008-10-19 16:47:47.000 iTunes[221:13fe7]: <Restore Device 0x114f4a00>: operation 13 progress 19
2008-10-19 16:47:48.000 iTunes[221:13fe7]: <Restore Device 0x114f4a00>: operation 13 progress 20
2008-10-19 16:47:49.000 iTunes[221:13fe7]: <Restore Device 0x114f4a00>: operation 13 progress 21
2008-10-19 16:47:50.000 iTunes[221:13fe7]: <Restore Device 0x114f4a00>: operation 13 progress 22
2008-10-19 16:47:51.000 iTunes[221:13fe7]: <Restore Device 0x114f4a00>: operation 13 progress 23
2008-10-19 16:47:52.000 iTunes[221:13fe7]: <Restore Device 0x114f4a00>: operation 13 progress 24
2008-10-19 16:47:54.000 iTunes[221:13fe7]: <Restore Device 0x114f4a00>: operation 13 progress 25
2008-10-19 16:47:55.000 iTunes[221:13fe7]: <Restore Device 0x114f4a00>: operation 13 progress 26
2008-10-19 16:47:56.000 iTunes[221:13fe7]: <Restore Device 0x114f4a00>: operation 13 progress 27
2008-10-19 16:47:57.000 iTunes[221:13fe7]: <Restore Device 0x114f4a00>: operation 13 progress 28
2008-10-19 16:47:58.000 iTunes[221:13fe7]: <Restore Device 0x114f4a00>: operation 13 progress 29
2008-10-19 16:47:59.000 iTunes[221:13fe7]: <Restore Device 0x114f4a00>: operation 13 progress 30
2008-10-19 16:48:00.000 iTunes[221:13fe7]: <Restore Device 0x114f4a00>: operation 13 progress 31
2008-10-19 16:48:01.000 iTunes[221:13fe7]: <Restore Device 0x114f4a00>: operation 13 progress 32
2008-10-19 16:48:03.000 iTunes[221:13fe7]: <Restore Device 0x114f4a00>: operation 13 progress 33
2008-10-19 16:48:04.000 iTunes[221:13fe7]: <Restore Device 0x114f4a00>: operation 13 progress 34
2008-10-19 16:48:04.000 iTunes[221:13fe7]: <Restore Device 0x114f4a00>: operation 13 progress 35
2008-10-19 16:48:05.000 iTunes[221:13fe7]: <Restore Device 0x114f4a00>: operation 13 progress 36
2008-10-19 16:48:06.000 iTunes[221:13fe7]: <Restore Device 0x114f4a00>: operation 13 progress 37
2008-10-19 16:48:07.000 iTunes[221:13fe7]: <Restore Device 0x114f4a00>: operation 13 progress 38
2008-10-19 16:48:08.000 iTunes[221:13fe7]: <Restore Device 0x114f4a00>: operation 13 progress 39
2008-10-19 16:48:09.000 iTunes[221:13fe7]: <Restore Device 0x114f4a00>: operation 13 progress 40
2008-10-19 16:48:10.000 iTunes[221:13fe7]: <Restore Device 0x114f4a00>: operation 13 progress 41
2008-10-19 16:48:13.000 iTunes[221:13fe7]: <Restore Device 0x114f4a00>: operation 13 progress 42
2008-10-19 16:48:14.000 iTunes[221:13fe7]: <Restore Device 0x114f4a00>: operation 13 progress 43
2008-10-19 16:48:15.000 iTunes[221:13fe7]: <Restore Device 0x114f4a00>: operation 13 progress 44
2008-10-19 16:48:17.000 iTunes[221:13fe7]: <Restore Device 0x114f4a00>: operation 13 progress 45
2008-10-19 16:48:18.000 iTunes[221:13fe7]: <Restore Device 0x114f4a00>: operation 13 progress 46
2008-10-19 16:48:18.000 iTunes[221:13fe7]: <Restore Device 0x114f4a00>: operation 13 progress 47
2008-10-19 16:48:20.000 iTunes[221:13fe7]: <Restore Device 0x114f4a00>: operation 13 progress 48
2008-10-19 16:48:21.000 iTunes[221:13fe7]: <Restore Device 0x114f4a00>: operation 13 progress 49
2008-10-19 16:48:23.000 iTunes[221:13fe7]: <Restore Device 0x114f4a00>: operation 13 progress 50
2008-10-19 16:48:26.000 iTunes[221:13fe7]: <Restore Device 0x114f4a00>: operation 13 progress 51
2008-10-19 16:48:26.000 iTunes[221:13fe7]: <Restore Device 0x114f4a00>: operation 13 progress 52
2008-10-19 16:48:28.000 iTunes[221:13fe7]: <Restore Device 0x114f4a00>: operation 13 progress 53
2008-10-19 16:48:29.000 iTunes[221:13fe7]: <Restore Device 0x114f4a00>: operation 13 progress 54
2008-10-19 16:48:30.000 iTunes[221:13fe7]: <Restore Device 0x114f4a00>: operation 13 progress 55
2008-10-19 16:48:32.000 iTunes[221:13fe7]: <Restore Device 0x114f4a00>: operation 13 progress 56
2008-10-19 16:48:33.000 iTunes[221:13fe7]: <Restore Device 0x114f4a00>: operation 13 progress 57
2008-10-19 16:48:34.000 iTunes[221:13fe7]: <Restore Device 0x114f4a00>: operation 13 progress 58
2008-10-19 16:48:36.000 iTunes[221:13fe7]: <Restore Device 0x114f4a00>: operation 13 progress 59
2008-10-19 16:48:37.000 iTunes[221:13fe7]: <Restore Device 0x114f4a00>: operation 13 progress 60
2008-10-19 16:48:38.000 iTunes[221:13fe7]: <Restore Device 0x114f4a00>: operation 13 progress 61
2008-10-19 16:48:40.000 iTunes[221:13fe7]: <Restore Device 0x114f4a00>: operation 13 progress 62
2008-10-19 16:48:44.000 iTunes[221:13fe7]: <Restore Device 0x114f4a00>: operation 13 progress 63
2008-10-19 16:48:46.000 iTunes[221:13fe7]: <Restore Device 0x114f4a00>: operation 13 progress 64
2008-10-19 16:48:47.000 iTunes[221:13fe7]: <Restore Device 0x114f4a00>: operation 13 progress 65
2008-10-19 16:48:49.000 iTunes[221:13fe7]: <Restore Device 0x114f4a00>: operation 13 progress 66
2008-10-19 16:48:51.000 iTunes[221:13fe7]: <Restore Device 0x114f4a00>: operation 13 progress 67
2008-10-19 16:48:52.000 iTunes[221:13fe7]: <Restore Device 0x114f4a00>: operation 13 progress 68
2008-10-19 16:48:53.000 iTunes[221:13fe7]: <Restore Device 0x114f4a00>: operation 13 progress 69
2008-10-19 16:48:54.000 iTunes[221:13fe7]: <Restore Device 0x114f4a00>: operation 13 progress 70
2008-10-19 16:48:56.000 iTunes[221:13fe7]: <Restore Device 0x114f4a00>: operation 13 progress 71
2008-10-19 16:48:57.000 iTunes[221:13fe7]: <Restore Device 0x114f4a00>: operation 13 progress 72
2008-10-19 16:48:58.000 iTunes[221:13fe7]: <Restore Device 0x114f4a00>: operation 13 progress 73
2008-10-19 16:48:59.000 iTunes[221:13fe7]: <Restore Device 0x114f4a00>: operation 13 progress 74
2008-10-19 16:48:59.000 iTunes[221:13fe7]: <Restore Device 0x114f4a00>: operation 13 progress 75
2008-10-19 16:49:00.000 iTunes[221:13fe7]: <Restore Device 0x114f4a00>: operation 13 progress 76
2008-10-19 16:49:00.000 iTunes[221:13fe7]: <Restore Device 0x114f4a00>: operation 13 progress 77
2008-10-19 16:49:01.000 iTunes[221:13fe7]: <Restore Device 0x114f4a00>: operation 13 progress 78
2008-10-19 16:49:01.000 iTunes[221:13fe7]: <Restore Device 0x114f4a00>: operation 13 progress 79
2008-10-19 16:49:02.000 iTunes[221:13fe7]: <Restore Device 0x114f4a00>: operation 13 progress 80
2008-10-19 16:49:02.000 iTunes[221:13fe7]: <Restore Device 0x114f4a00>: operation 13 progress 81
2008-10-19 16:49:03.000 iTunes[221:13fe7]: <Restore Device 0x114f4a00>: operation 13 progress 82
2008-10-19 16:49:03.000 iTunes[221:13fe7]: <Restore Device 0x114f4a00>: operation 13 progress 83
2008-10-19 16:49:04.000 iTunes[221:13fe7]: <Restore Device 0x114f4a00>: operation 13 progress 84
2008-10-19 16:49:04.000 iTunes[221:13fe7]: <Restore Device 0x114f4a00>: operation 13 progress 85
2008-10-19 16:49:05.000 iTunes[221:13fe7]: <Restore Device 0x114f4a00>: operation 13 progress 86
2008-10-19 16:49:05.000 iTunes[221:13fe7]: <Restore Device 0x114f4a00>: operation 13 progress 87
2008-10-19 16:49:06.000 iTunes[221:13fe7]: <Restore Device 0x114f4a00>: operation 13 progress 88
2008-10-19 16:49:06.000 iTunes[221:13fe7]: <Restore Device 0x114f4a00>: operation 13 progress 89
2008-10-19 16:49:06.000 iTunes[221:13fe7]: <Restore Device 0x114f4a00>: operation 13 progress 90
2008-10-19 16:49:07.000 iTunes[221:13fe7]: <Restore Device 0x114f4a00>: operation 13 progress 91
2008-10-19 16:49:07.000 iTunes[221:13fe7]: <Restore Device 0x114f4a00>: operation 13 progress 92
2008-10-19 16:49:08.000 iTunes[221:13fe7]: <Restore Device 0x114f4a00>: operation 13 progress 93
2008-10-19 16:49:08.000 iTunes[221:13fe7]: <Restore Device 0x114f4a00>: operation 13 progress 94
2008-10-19 16:49:09.000 iTunes[221:13fe7]: <Restore Device 0x114f4a00>: operation 13 progress 95
2008-10-19 16:49:09.000 iTunes[221:13fe7]: <Restore Device 0x114f4a00>: operation 13 progress 96
2008-10-19 16:49:10.000 iTunes[221:13fe7]: <Restore Device 0x114f4a00>: operation 13 progress 97
2008-10-19 16:49:10.000 iTunes[221:13fe7]: <Restore Device 0x114f4a00>: operation 13 progress 98
2008-10-19 16:49:11.000 iTunes[221:13fe7]: <Restore Device 0x114f4a00>: operation 13 progress 100
2008-10-19 16:49:11.000 iTunes[221:13fe7]: <Restore Device 0x114f4a00>: operation 14 progress -1
2008-10-19 16:50:32.000 iTunes[221:13fe7]: <Restore Device 0x114f4a00>: operation 15 progress -1
2008-10-19 16:50:39.000 iTunes[221:13fe7]: <Restore Device 0x114f4a00>: operation 16 progress -1
2008-10-19 16:50:39.000 iTunes[221:13fe7]: <Restore Device 0x114f4a00>: operation 15 progress -1 //starting [[iPhone Restore Daemon#mount_filesystems]] routine.
2008-10-19 16:50:39.000 iTunes[221:13fe7]: <Restore Device 0x114f4a00>: operation 16 progress -1 //this message is sent when both partitions have been successfully mounted and checked for errors.
2008-10-19 16:50:44.000 iTunes[221:13fe7]: <Restore Device 0x114f4a00>: operation 17 progress -1 //starting [[iPhone Restore Daemon#fixup_var]] routine.
2008-10-19 16:52:32.000 iTunes[221:13fe7]: <Restore Device 0x114f4a00>: operation 29 progress -1
2008-10-19 16:52:32.000 iTunes[221:13fe7]: <Restore Device 0x114f4a00>: operation 29 progress -1 //starting [[iPhone Restore Daemon#unmount_filesystems]] routine.
2008-10-19 16:52:33.000 iTunes[221:13fe7]: <Restore Device 0x114f4a00>: operation 25 progress -1 //starting [[iPhone Restore Daemon#clear_persistent_boot_args]] routine.
2008-10-19 16:52:33.000 iTunes[221:13fe7]: <Restore Device 0x114f4a00>: operation 35 progress -1
2008-10-19 16:52:33.000 iTunes[221:13fe7]: <Restore Device 0x114f4a00>: operation 18 progress -1 //starting [[iPhone Restore Daemon#Img3_update_NOR]] routine.
2008-10-19 16:53:32.000 iTunes[221:13fe7]: <Restore Device 0x114f4a00>: operation 20 progress -1 //starting [[iPhone Restore Daemon#set_boot_stage]] routine.
2008-10-19 16:53:32.000 iTunes[221:13fe7]: <Restore Device 0x114f4a00>: operation 32 progress -1 //starting [[iPhone Restore Daemon#end_nand_epoch]] routine.

//restore finished with no errors
2008-10-19 16:53:32.000 iTunes[221:13fe7]: device returned status 0
2008-10-19 16:53:32.000 iTunes[221:13fe7]: <Restore Device 0x114f4a00>: Restore succeeded
2008-10-19 16:53:32.000 iTunes[221:13fe7]: _AMRestoreModeDeviceFinalize: 0x114f4a00
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