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Code Issues Releases Activity

Fusee: Add 5.x kernel patches to allow for IPC PID mitm.

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This commit is contained in:
Michael Scire 2018-06-02 20:01:44 -06:00
parent cc69079d73
commit 968c86578a
1 changed files with 55 additions and 1 deletions
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56
fusee/fusee-secondary/src/kernel_patches.c
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@ -5,6 +5,9 @@
#define MAKE_BRANCH(a, o) 0x14000000 | ((((o) - (a)) >> 2) & 0x3FFFFFF)
#define MAKE_KERNEL_PATTERN_NAME(vers, name) g_kernel_patch_##vers_##name
#define MAKE_KERNEL_HOOK_NAME(vers, name) g_kernel_hook_##vers_##name
typedef uint32_t instruction_t;
typedef struct {
@ -23,6 +26,42 @@ typedef struct {
const kernel_hook_t *hooks;
} kernel_info_t;
/* Patch definitions. */
/*
mov w10, w23
lsl x10, x10, #2
ldr x10, [x27, x10]
mov x9, #0x0000ffffffffffff
and x8, x10, x9
mov x9, #0xffff000000000000
and x10, x10, x9
mov x9, #0xfffe000000000000
cmp x10, x9
beq #12
ldr x10, [sp,#0x80]
ldr x8, [x10,#0x2b0]
ldr x10, [sp,#0x80]
*/
static const uint8_t MAKE_KERNEL_PATTERN_NAME(500, proc_id_send)[] = {0xEA, 0x43, 0x40, 0xF9, 0x48, 0x59, 0x41, 0xF9, 0xE9, 0x03, 0x17, 0x2A, 0x29, 0xF5, 0x7E, 0xD3};
static const instruction_t MAKE_KERNEL_HOOK_NAME(500, proc_id_send)[] = {0x2A1703EA, 0xD37EF54A, 0xF86A6B6A, 0x92FFFFE9, 0x8A090148, 0xD2FFFFE9, 0x8A09014A, 0xD2FFFFC9, 0xEB09015F, 0x54000060, 0xF94043EA, 0xF9415948, 0xF94043EA};
/*
ldr x13, [sp, #0x70]
mov w10, w21
lsl x10, x10, #2
ldr x10, [x13, x10]
mov x9, #0x0000ffffffffffff
and x8, x10, x9
mov x9, #0xffff000000000000
and x10, x10, x9
mov x9, #0xfffe000000000000
cmp x10, x9
beq #8
ldr x8, [x24,#0x2b0]
ldr x10, [sp,#0xd8]
*/
static const uint8_t MAKE_KERNEL_PATTERN_NAME(500, proc_id_recv)[] = {0x08, 0x5B, 0x41, 0xF9, 0xEA, 0x6F, 0x40, 0xF9, 0xE9, 0x03, 0x15, 0x2A, 0x29, 0xF5, 0x7E, 0xD3};
static const instruction_t MAKE_KERNEL_HOOK_NAME(500, proc_id_recv)[] = {0xF9403BED, 0x2A1503EA, 0xD37EF54A, 0xF86A69AA, 0x92FFFFE9, 0x8A090148, 0xD2FFFFE9, 0x8A09014A, 0xD2FFFFC9, 0xEB09015F, 0x54000040, 0xF9415B08, 0xF9406FEA};
/* Hook Definitions. */
static const kernel_hook_t g_kernel_hooks_100[] = {
/* TODO */
@ -40,7 +79,22 @@ static const kernel_hook_t g_kernel_hooks_400[] = {
/* TODO */
};
static const kernel_hook_t g_kernel_hooks_500[] = {
/* TODO */
{ /* Send Message Process ID Patch. */
.pattern_size = 0x10,
.pattern = MAKE_KERNEL_PATTERN_NAME(500, proc_id_send),
.pattern_hook_offset = 0x0,
.payload_num_instructions = 13,
.branch_back_offset = 0x8,
.payload = MAKE_KERNEL_HOOK_NAME(500, proc_id_send)
},
{ /* Receive Message Process ID Patch. */
.pattern_size = 0x10,
.pattern = MAKE_KERNEL_PATTERN_NAME(500, proc_id_recv),
.pattern_hook_offset = 0x0,
.payload_num_instructions = 13,
.branch_back_offset = 0x8,
.payload = MAKE_KERNEL_HOOK_NAME(500, proc_id_recv)
}
};
#define KERNEL_HOOKS(vers) .num_hooks = sizeof(g_kernel_hooks_##vers)/sizeof(kernel_hook_t), .hooks = g_kernel_hooks_##vers,