From 76ed489e0ceadea166d2f7aa8995cd7268b109c3 Mon Sep 17 00:00:00 2001 From: Maschell Date: Sun, 28 Feb 2021 18:10:25 +0100 Subject: [PATCH] Patch /dev/odm IOCTL 0x06 to read the disc key if in_buf[0] > 2 --- source/ios_kernel/source/instant_patches.c | 5 +++++ source/ios_kernel/source/kernel_patches.c | 5 +++++ 2 files changed, 10 insertions(+) diff --git a/source/ios_kernel/source/instant_patches.c b/source/ios_kernel/source/instant_patches.c index 5d59c10..21bf022 100644 --- a/source/ios_kernel/source/instant_patches.c +++ b/source/ios_kernel/source/instant_patches.c @@ -48,6 +48,11 @@ void instant_patches_setup(void) { // patch FSA raw access *(volatile u32 *) 0x1070FAE8 = 0x05812070; *(volatile u32 *) 0x1070FAEC = 0xEAFFFFF9; + + // patch /dev/odm IOCTL 0x06 to return the disc key if in_buf[0] > 2. + *(volatile u32 *) 0x10739948 = 0xe3a0b001; // mov r11, 0x01 + *(volatile u32 *) 0x1073994C = 0xe3a07020; // mov r7, 0x20 + *(volatile u32 *) 0x10739950 = 0xea000013; // b LAB_107399a8 int (*_iosMapSharedUserExecution)(void *descr) = (void *) 0x08124F88; diff --git a/source/ios_kernel/source/kernel_patches.c b/source/ios_kernel/source/kernel_patches.c index 3c89e60..3854fb0 100644 --- a/source/ios_kernel/source/kernel_patches.c +++ b/source/ios_kernel/source/kernel_patches.c @@ -107,6 +107,11 @@ void kernel_run_patches(u32 ios_elf_start) { section_write_word(ios_elf_start, 0x0812A1AC, ARM_BL(0x0812A1AC, crash_handler_data)); section_write_word(ios_elf_start, 0x08129E50, ARM_BL(0x08129E50, crash_handler_undef_instr)); + // patch /dev/odm IOCTL 0x06 to return the disc key if in_buf[0] > 2. + section_write_word(ios_elf_start, 0x10739948, 0xe3a0b001); + section_write_word(ios_elf_start, 0x1073994C, 0xe3a07020); + section_write_word(ios_elf_start, 0x10739950, 0xea000013); + section_write_word(ios_elf_start, 0x0812CD2C, ARM_B(0x0812CD2C, kernel_syscall_0x81)); u32 patch_count = (u32) (((u8 *) kernel_patches_table_end) - ((u8 *) kernel_patches_table)) / sizeof(patch_table_t);