**/
/* }}} */
-#include <dlfcn.h>
-
-#include <mach/mach.h>
-
-#ifdef __APPLE__
#include "TargetConditionals.h"
+#if TARGET_OS_IPHONE
+#undef __ENVIRONMENT_IPHONE_OS_VERSION_MIN_REQUIRED__
+#define __ENVIRONMENT_IPHONE_OS_VERSION_MIN_REQUIRED__ __IPHONE_5_0
#endif
-#ifdef TARGET_OS_IPHONE
+#include <dlfcn.h>
+#include <pthread.h>
+#include <unistd.h>
+
+#include <mach/mach.h>
#include <mach/vm_map.h>
-#define mach_vm_allocate vm_allocate
-#define mach_vm_protect vm_protect
-#define mach_vm_write vm_write
-#define mach_vm_address_t vm_address_t
-#else
#include <mach/mach_vm.h>
-#endif
#include <mach/machine/thread_status.h>
-#include <cstdio>
-#include <pthread.h>
-#include <unistd.h>
+#ifdef __arm__
+#include "Mach/Memory.hpp"
+#endif
#include "Baton.hpp"
#include "Exception.hpp"
extern "C" void CYHandleServer(pid_t);
+extern "C" void *_dyld_get_all_image_infos();
+
void InjectLibrary(pid_t pid) {
Dl_info addr;
_assert(dladdr(reinterpret_cast<void *>(&CYHandleServer), &addr) != 0);
- const char *library(addr.dli_fname);
+
+ size_t flength(strlen(addr.dli_fname));
+ char library[flength + 4 + 1];
+ memcpy(library, addr.dli_fname, flength);
+ library[flength] = '\0';
+ _assert(strcmp(library + flength - 6, ".dylib") == 0);
+#if !TARGET_OS_IPHONE
+ strcpy(library + flength - 6, "-any.dylib");
+#endif
mach_port_t self(mach_task_self()), task;
_krncall(task_for_pid(self, pid, &task));
- mach_msg_type_number_t count;
-
task_dyld_info info;
- count = TASK_DYLD_INFO_COUNT;
+#ifdef __arm__
+ union {
+ struct {
+ uint32_t all_image_info_addr;
+ } info_1;
+
+ struct {
+ uint32_t all_image_info_addr;
+ uint32_t all_image_info_size;
+ int32_t all_image_info_format;
+ } info32;
+
+ struct {
+ uint64_t all_image_info_addr;
+ uint64_t all_image_info_size;
+ int32_t all_image_info_format;
+ } info64;
+ } infoXX;
+
+ mach_msg_type_number_t count(sizeof(infoXX) / sizeof(natural_t));
+ _krncall(task_info(task, TASK_DYLD_INFO, reinterpret_cast<task_info_t>(&infoXX), &count));
+
+ bool broken;
+
+ switch (count) {
+ case sizeof(infoXX.info_1) / sizeof(natural_t):
+ broken = true;
+ info.all_image_info_addr = infoXX.info_1.all_image_info_addr;
+ info.all_image_info_size = 0;
+ info.all_image_info_format = TASK_DYLD_ALL_IMAGE_INFO_32;
+ break;
+ case sizeof(infoXX.info32) / sizeof(natural_t):
+ broken = true;
+ info.all_image_info_addr = infoXX.info32.all_image_info_addr;
+ info.all_image_info_size = infoXX.info32.all_image_info_size;
+ info.all_image_info_format = infoXX.info32.all_image_info_format;
+ break;
+ case sizeof(infoXX.info64) / sizeof(natural_t):
+ broken = false;
+ info.all_image_info_addr = infoXX.info64.all_image_info_addr;
+ info.all_image_info_size = infoXX.info64.all_image_info_size;
+ info.all_image_info_format = infoXX.info64.all_image_info_format;
+ break;
+ default:
+ _assert(false);
+ }
+#else
+ mach_msg_type_number_t count(TASK_DYLD_INFO_COUNT);
_krncall(task_info(task, TASK_DYLD_INFO, reinterpret_cast<task_info_t>(&info), &count));
_assert(count == TASK_DYLD_INFO_COUNT);
+#endif
_assert(info.all_image_info_addr != 0);
thread_act_t thread;
_krncall(thread_create(task, &thread));
+ thread_state_t bottom;
+ thread_state_flavor_t flavor;
+
#if defined (__i386__) || defined(__x86_64__)
x86_thread_state_t state;
-#elif defined(__arm__)
- arm_thread_state_t state;
+ memset(&state, 0, sizeof(state));
+
+ bottom = reinterpret_cast<thread_state_t>(&state);
+ flavor = MACHINE_THREAD_STATE;
+ count = MACHINE_THREAD_STATE_COUNT;
+#elif defined(__arm__) || defined(__arm64__)
+ arm_unified_thread_state_t state;
+ memset(&state, 0, sizeof(state));
+
+ switch (info.all_image_info_format) {
+ case TASK_DYLD_ALL_IMAGE_INFO_32:
+ bottom = reinterpret_cast<thread_state_t>(&state.ts_32);
+ flavor = ARM_THREAD_STATE;
+ count = ARM_THREAD_STATE_COUNT;
+ state.ash.flavor = ARM_THREAD_STATE32;
+ break;
+ case TASK_DYLD_ALL_IMAGE_INFO_64:
+ bottom = reinterpret_cast<thread_state_t>(&state.ts_64);
+ flavor = ARM_THREAD_STATE64;
+ count = ARM_THREAD_STATE64_COUNT + 1;
+ state.ash.flavor = ARM_THREAD_STATE64;
+ break;
+ default:
+ _assert(false);
+ }
#else
#error XXX: implement
#endif
- memset(&state, 0, sizeof(state));
- mach_msg_type_number_t read(MACHINE_THREAD_STATE_COUNT);
- _krncall(thread_get_state(thread, MACHINE_THREAD_STATE, reinterpret_cast<thread_state_t>(&state), &read));
- _assert(read == MACHINE_THREAD_STATE_COUNT);
+ mach_msg_type_number_t read(count);
+ _krncall(thread_get_state(thread, flavor, bottom, &read));
+ _assert(read == count);
Trampoline *trampoline;
size_t align;
default:
_assert(false);
}
-#elif defined(__arm__)
- trampoline = &Trampoline_armv6_;
- align = 4;
- push = 0;
+#elif defined(__arm__) || defined(__arm64__)
+ switch (state.ash.flavor) {
+ case ARM_THREAD_STATE32:
+ trampoline = &Trampoline_armv6_;
+ align = 4;
+ push = 0;
+ break;
+ case ARM_THREAD_STATE64:
+ trampoline = &Trampoline_arm64_;
+ align = 8;
+ push = 0;
+ break;
+ default:
+ _assert(false);
+ }
#else
#error XXX: implement
#endif
baton->dyld = info.all_image_info_addr;
baton->pid = getpid();
+ memset(baton->error, 0, sizeof(baton->error));
memcpy(baton->library, library, length);
mach_vm_size_t size(depth + Stack_);
mach_vm_address_t code;
_krncall(mach_vm_allocate(task, &code, trampoline->size_, true));
- _krncall(mach_vm_write(task, code, reinterpret_cast<mach_vm_address_t>(trampoline->data_), trampoline->size_));
+ _krncall(mach_vm_write(task, code, reinterpret_cast<vm_offset_t>(trampoline->data_), trampoline->size_));
_krncall(mach_vm_protect(task, code, trampoline->size_, false, VM_PROT_READ | VM_PROT_EXECUTE));
uint32_t frame[push];
default:
_assert(false);
}
-#elif defined(__arm__)
- state.__r[0] = data;
- state.__pc = code + trampoline->entry_;
- state.__sp = stack + Stack_ - sizeof(frame);
-
- if ((state.__pc & 0x1) != 0) {
- state.__pc &= ~0x1;
- state.__cpsr |= 0x20;
+#elif defined(__arm__) || defined(__arm64__)
+ switch (state.ash.flavor) {
+ case ARM_THREAD_STATE32:
+ state.ts_32.__r[0] = data;
+ state.ts_32.__pc = code + trampoline->entry_;
+ state.ts_32.__sp = stack + Stack_ - sizeof(frame);
+
+ if ((state.ts_32.__pc & 0x1) != 0) {
+ state.ts_32.__pc &= ~0x1;
+ state.ts_32.__cpsr |= 0x20;
+ }
+
+ break;
+
+ case ARM_THREAD_STATE64:
+ state.ts_64.__x[0] = data;
+ state.ts_64.__pc = code + trampoline->entry_;
+ state.ts_64.__sp = stack + Stack_ - sizeof(frame);
+ break;
+
+ default:
+ _assert(false);
}
#else
#error XXX: implement
if (sizeof(frame) != 0)
_krncall(mach_vm_write(task, stack + Stack_ - sizeof(frame), reinterpret_cast<mach_vm_address_t>(frame), sizeof(frame)));
- _krncall(thread_set_state(thread, MACHINE_THREAD_STATE, reinterpret_cast<thread_state_t>(&state), MACHINE_THREAD_STATE_COUNT));
+ _krncall(thread_set_state(thread, flavor, bottom, read));
_krncall(thread_resume(thread));
+ loop: switch (kern_return_t status = thread_get_state(thread, flavor, bottom, &(read = count))) {
+ case KERN_SUCCESS:
+ usleep(10000);
+ goto loop;
+
+ case KERN_TERMINATED:
+ case MACH_SEND_INVALID_DEST:
+ break;
+
+ default:
+ _assert(false);
+ }
+
+ _krncall(mach_port_deallocate(self, thread));
+
+ mach_vm_size_t error(sizeof(baton->error));
+ _krncall(mach_vm_read_overwrite(task, data + offsetof(Baton, error), sizeof(baton->error), reinterpret_cast<mach_vm_address_t>(&baton->error), &error));
+ _assert(error == sizeof(baton->error));
+ if (baton->error[0] != '\0')
+ CYThrow("%s", baton->error);
+
+ _krncall(mach_vm_deallocate(task, code, trampoline->size_));
+ _krncall(mach_vm_deallocate(task, stack, size));
+
_krncall(mach_port_deallocate(self, task));
}
projects / cycript.git / blobdiff