int main(int argc, char **argv) {
struct NaClApp app;
NaClHandleBootstrapArgs(&argc, &argv);
NaClDebugExceptionHandlerStandaloneHandleArgs(argc, argv);
/* Turn off buffering to aid debugging. */
setvbuf(stdout, NULL, _IONBF, 0);
setvbuf(stderr, NULL, _IONBF, 0);
NaClAllModulesInit();
if (argc != 3) {
NaClLog(LOG_FATAL,
"Expected 2 arguments: <executable-filename> <crash-type>\n");
}
g_crash_type = argv[2];
CHECK(NaClAppCtor(&app));
CHECK(NaClAppLoadFileFromFilename(&app, argv[1]) == LOAD_OK);
NaClAppInitialDescriptorHookup(&app);
if (TestWithUntrustedExceptionHandling()) {
app.enable_exception_handling = 1;
#if NACL_WINDOWS
app.attach_debug_exception_handler_func =
NaClDebugExceptionHandlerStandaloneAttach;
#endif
}
NaClAddSyscall(NACL_sys_test_syscall_1, JumpToZeroCrashSyscall);
NaClAddSyscall(NACL_sys_test_syscall_2, JumpIntoSandboxCrashSyscall);
RegisterHandlers();
CHECK(NaClCreateMainThread(&app, argc - 1, argv + 1, NULL));
NaClWaitForMainThreadToExit(&app);
NaClLog(LOG_ERROR, "We did not expect the test program to exit cleanly\n");
return 1;
}
int main(int argc, char **argv) {
struct NaClApp app;
uint32_t mmap_addr;
char arg_string[32];
char *args[] = {"prog_name", arg_string};
NaClAllModulesInit();
if (argc != 2) {
NaClLog(LOG_FATAL, "Expected 1 argument: executable filename\n");
}
NaClAddSyscall(NACL_sys_test_syscall_1, TestSyscall);
CHECK(NaClAppCtor(&app));
CHECK(NaClAppLoadFileFromFilename(&app, argv[1]) == LOAD_OK);
NaClAppInitialDescriptorHookup(&app);
CHECK(NaClAppPrepareToLaunch(&app) == LOAD_OK);
NaClSignalHandlerInit();
NaClSignalHandlerSet(TrapSignalHandler);
/*
* Allocate some space in untrusted address space. We pass the
* address to the guest program so that it can write a register
* snapshot for us to compare against.
*/
mmap_addr = NaClSysMmapIntern(
&app, NULL, sizeof(*g_test_shm),
NACL_ABI_PROT_READ | NACL_ABI_PROT_WRITE,
NACL_ABI_MAP_PRIVATE | NACL_ABI_MAP_ANONYMOUS, -1, 0);
g_test_shm = (struct RegsTestShm *) NaClUserToSys(&app, mmap_addr);
SNPRINTF(arg_string, sizeof(arg_string), "0x%x", (unsigned int) mmap_addr);
CHECK(NaClCreateMainThread(&app, 2, args, NULL));
CHECK(NaClWaitForMainThreadToExit(&app) == 0);
CHECK(!g_in_untrusted_code);
ASSERT_EQ(g_context_switch_count,
(kNumberOfCallsToTest + kFastPathSyscallsToTest - 1) * 2);
/*
* Avoid calling exit() because it runs process-global destructors
* which might break code that is running in our unjoined threads.
*/
NaClExit(0);
return 0;
}
/*
* d'b: see documentation about "one ring" tonneling syscall
* note: all syscalls except trap() only need for nexe prolog
*/
void NaClSyscallTableInit() {
int i;
for (i = 0; i < NACL_MAX_SYSCALLS; ++i) {
nacl_syscall[i].handler = &NotImplementedDecoder;
}
NaClAddSyscall(Trap, &TrapDecoder); /* 0. added onering call */
NaClAddSyscall(NACL_sys_sysbrk, &NaClSysSysbrkDecoder); /* 20 */
NaClAddSyscall(NACL_sys_exit, &NaClSysExitDecoder); /* 30 */
NaClAddSyscall(NACL_sys_tls_init, &NaClSysTls_InitDecoder); /* 82 */
NaClAddSyscall(NACL_sys_tls_get, &NaClSysTls_GetDecoder); /* 84 */
NaClAddSyscall(NACL_sys_mutex_create, &NaClSysMutex_CreateDecoder); /* 70 */
}
void NaClInjectThreadCaptureSyscall(struct NaClApp *nap) {
UNREFERENCED_PARAMETER(nap);
NaClAddSyscall(NACL_sys_test_syscall_1, TestSyscall);
}
/*
d'b:
in this list of system calls 5 ones left untouched:
(other syscalls set to "NaClSysRestricted")
syscalls for an empty nexe: "main(){}"
+ 20 -- NACL_sys_sysbrk (NaClSysSysbrkDecoder) -- still need to serve user malloc()
++ 30 -- NACL_sys_exit (NaClSysExitDecoder) -- no need. i gonna exit through long/short jump
+ 70 -- NACL_sys_mutex_create (NaClSysMutex_CreateDecoder) -- dummy
+ 82 -- NACL_sys_tls_init (NaClSysTls_InitDecoder) -- dummy
+ 84 -- NACL_sys_tls_get (NaClSysTls_GetDecoder) -- dummy
special case, tonneling call:
0 -- artificially added "One Ring" single syscall
note: to restore syscalls to the original version just delete everything
until "d'b end" and uncomment commented code
*/
void NaClSyscallTableInitDisable() {
int i;
for (i = 0; i < NACL_MAX_SYSCALLS; ++i) {
nacl_syscall[i].handler = &NotImplementedDecoder;
}
NaClAddSyscall(One_ring, &OneRingDecoder); /* 0. added onering call */
NaClAddSyscall(NACL_sys_null, &NaClSysRestricted);
NaClAddSyscall(NACL_sys_nameservice, &NaClSysRestricted);
NaClAddSyscall(NACL_sys_dup, &NaClSysRestricted);
NaClAddSyscall(NACL_sys_dup2, &NaClSysRestricted);
NaClAddSyscall(NACL_sys_open, &NaClSysRestricted);
NaClAddSyscall(NACL_sys_close, &NaClSysRestricted);
NaClAddSyscall(NACL_sys_read, &NaClSysRestricted);
NaClAddSyscall(NACL_sys_write, &NaClSysRestricted);
NaClAddSyscall(NACL_sys_lseek, &NaClSysRestricted);
NaClAddSyscall(NACL_sys_ioctl, &NaClSysRestricted);
NaClAddSyscall(NACL_sys_fstat, &NaClSysRestricted);
NaClAddSyscall(NACL_sys_stat, &NaClSysRestricted);
NaClAddSyscall(NACL_sys_getdents, &NaClSysRestricted);
NaClAddSyscall(NACL_sys_sysbrk, &NaClSysSysbrkDecoder); /* 20 */
NaClAddSyscall(NACL_sys_mmap, &NaClSysRestricted);
NaClAddSyscall(NACL_sys_munmap, &NaClSysRestricted);
NaClAddSyscall(NACL_sys_exit, &NaClSysExitDecoder); /* 30 */
NaClAddSyscall(NACL_sys_getpid, &NaClSysRestricted);
NaClAddSyscall(NACL_sys_thread_exit, &NaClSysRestricted);
NaClAddSyscall(NACL_sys_gettimeofday, &NaClSysRestricted);
NaClAddSyscall(NACL_sys_clock, &NaClSysRestricted);
NaClAddSyscall(NACL_sys_nanosleep, &NaClSysRestricted);
NaClAddSyscall(NACL_sys_imc_makeboundsock, &NaClSysRestricted);
NaClAddSyscall(NACL_sys_imc_accept, &NaClSysRestricted);
NaClAddSyscall(NACL_sys_imc_connect, &NaClSysRestricted);
NaClAddSyscall(NACL_sys_imc_sendmsg, &NaClSysRestricted);
NaClAddSyscall(NACL_sys_imc_recvmsg, &NaClSysRestricted);
NaClAddSyscall(NACL_sys_imc_mem_obj_create, &NaClSysRestricted);
NaClAddSyscall(NACL_sys_tls_init, &NaClSysTls_InitDecoder); /* 82 */
NaClAddSyscall(NACL_sys_thread_create, &NaClSysRestricted);
NaClAddSyscall(NACL_sys_tls_get, &NaClSysTls_GetDecoder); /* 84 */
NaClAddSyscall(NACL_sys_thread_nice, &NaClSysRestricted);
NaClAddSyscall(NACL_sys_mutex_create, &NaClSysMutex_CreateDecoder); /* 70 */
NaClAddSyscall(NACL_sys_mutex_lock, &NaClSysRestricted);
NaClAddSyscall(NACL_sys_mutex_unlock, &NaClSysRestricted);
NaClAddSyscall(NACL_sys_mutex_trylock, &NaClSysRestricted);
NaClAddSyscall(NACL_sys_cond_create, &NaClSysRestricted);
NaClAddSyscall(NACL_sys_cond_wait, &NaClSysRestricted);
NaClAddSyscall(NACL_sys_cond_signal, &NaClSysRestricted);
NaClAddSyscall(NACL_sys_cond_broadcast, &NaClSysRestricted);
NaClAddSyscall(NACL_sys_cond_timed_wait_abs, &NaClSysRestricted);
NaClAddSyscall(NACL_sys_imc_socketpair, &NaClSysRestricted);
NaClAddSyscall(NACL_sys_sem_create, &NaClSysRestricted);
NaClAddSyscall(NACL_sys_sem_wait, &NaClSysRestricted);
NaClAddSyscall(NACL_sys_sem_post, &NaClSysRestricted);
NaClAddSyscall(NACL_sys_sem_get_value, &NaClSysRestricted);
NaClAddSyscall(NACL_sys_sched_yield, &NaClSysRestricted);
NaClAddSyscall(NACL_sys_sysconf, &NaClSysRestricted);
NaClAddSyscall(NACL_sys_dyncode_create, &NaClSysRestricted);
NaClAddSyscall(NACL_sys_dyncode_modify, &NaClSysRestricted);
NaClAddSyscall(NACL_sys_dyncode_delete, &NaClSysRestricted);
NaClAddSyscall(NACL_sys_second_tls_set, &NaClSysRestricted);
NaClAddSyscall(NACL_sys_second_tls_get, &NaClSysRestricted);
NaClAddSyscall(NACL_sys_test_infoleak, &NaClSysRestricted);
}
/* auto generated */
void NaClSyscallTableInit() {
int i;
for (i = 0; i < NACL_MAX_SYSCALLS; ++i) {
nacl_syscall[i].handler = &NotImplementedDecoder;
}
NaClAddSyscall(One_ring, &OneRingDecoder); /* d'b: 0. added onering call */
NaClAddSyscall(NACL_sys_null, &NaClSysNullDecoder);
NaClAddSyscall(NACL_sys_nameservice, &NaClSysNameServiceDecoder);
NaClAddSyscall(NACL_sys_dup, &NaClSysDupDecoder);
NaClAddSyscall(NACL_sys_dup2, &NaClSysDup2Decoder);
NaClAddSyscall(NACL_sys_open, &NaClSysOpenDecoder);
NaClAddSyscall(NACL_sys_close, &NaClSysCloseDecoder);
NaClAddSyscall(NACL_sys_read, &NaClSysReadDecoder);
NaClAddSyscall(NACL_sys_write, &NaClSysWriteDecoder);
NaClAddSyscall(NACL_sys_lseek, &NaClSysLseekDecoder);
NaClAddSyscall(NACL_sys_ioctl, &NaClSysIoctlDecoder);
NaClAddSyscall(NACL_sys_fstat, &NaClSysFstatDecoder);
NaClAddSyscall(NACL_sys_stat, &NaClSysStatDecoder);
NaClAddSyscall(NACL_sys_getdents, &NaClSysGetdentsDecoder);
NaClAddSyscall(NACL_sys_sysbrk, &NaClSysSysbrkDecoder);
NaClAddSyscall(NACL_sys_mmap, &NaClSysMmapDecoder);
NaClAddSyscall(NACL_sys_munmap, &NaClSysMunmapDecoder);
NaClAddSyscall(NACL_sys_exit, &NaClSysExitDecoder);
NaClAddSyscall(NACL_sys_getpid, &NaClSysGetpidDecoder);
NaClAddSyscall(NACL_sys_thread_exit, &NaClSysThread_ExitDecoder);
NaClAddSyscall(NACL_sys_gettimeofday, &NaClSysGetTimeOfDayDecoder);
NaClAddSyscall(NACL_sys_clock, &NaClSysClockDecoder);
NaClAddSyscall(NACL_sys_nanosleep, &NaClSysNanosleepDecoder);
NaClAddSyscall(NACL_sys_imc_makeboundsock, &NaClSysImc_MakeBoundSockDecoder);
NaClAddSyscall(NACL_sys_imc_accept, &NaClSysImc_AcceptDecoder);
NaClAddSyscall(NACL_sys_imc_connect, &NaClSysImc_ConnectDecoder);
NaClAddSyscall(NACL_sys_imc_sendmsg, &NaClSysImc_SendmsgDecoder);
NaClAddSyscall(NACL_sys_imc_recvmsg, &NaClSysImc_RecvmsgDecoder);
NaClAddSyscall(NACL_sys_imc_mem_obj_create, &NaClSysImc_Mem_Obj_CreateDecoder);
NaClAddSyscall(NACL_sys_tls_init, &NaClSysTls_InitDecoder);
NaClAddSyscall(NACL_sys_thread_create, &NaClSysThread_CreateDecoder);
NaClAddSyscall(NACL_sys_tls_get, &NaClSysTls_GetDecoder);
NaClAddSyscall(NACL_sys_thread_nice, &NaClSysThread_NiceDecoder);
NaClAddSyscall(NACL_sys_mutex_create, &NaClSysMutex_CreateDecoder);
NaClAddSyscall(NACL_sys_mutex_lock, &NaClSysMutex_LockDecoder);
NaClAddSyscall(NACL_sys_mutex_unlock, &NaClSysMutex_UnlockDecoder);
NaClAddSyscall(NACL_sys_mutex_trylock, &NaClSysMutex_TrylockDecoder);
NaClAddSyscall(NACL_sys_cond_create, &NaClSysCond_CreateDecoder);
NaClAddSyscall(NACL_sys_cond_wait, &NaClSysCond_WaitDecoder);
NaClAddSyscall(NACL_sys_cond_signal, &NaClSysCond_SignalDecoder);
NaClAddSyscall(NACL_sys_cond_broadcast, &NaClSysCond_BroadcastDecoder);
NaClAddSyscall(NACL_sys_cond_timed_wait_abs, &NaClSysCond_Timed_Wait_AbsDecoder);
NaClAddSyscall(NACL_sys_imc_socketpair, &NaClSysImc_SocketPairDecoder);
NaClAddSyscall(NACL_sys_sem_create, &NaClSysSem_CreateDecoder);
NaClAddSyscall(NACL_sys_sem_wait, &NaClSysSem_WaitDecoder);
NaClAddSyscall(NACL_sys_sem_post, &NaClSysSem_PostDecoder);
NaClAddSyscall(NACL_sys_sem_get_value, &NaClSysSem_Get_ValueDecoder);
NaClAddSyscall(NACL_sys_sched_yield, &NaClSysSched_YieldDecoder);
NaClAddSyscall(NACL_sys_sysconf, &NaClSysSysconfDecoder);
NaClAddSyscall(NACL_sys_dyncode_create, &NaClSysDyncode_CreateDecoder);
NaClAddSyscall(NACL_sys_dyncode_modify, &NaClSysDyncode_ModifyDecoder);
NaClAddSyscall(NACL_sys_dyncode_delete, &NaClSysDyncode_DeleteDecoder);
NaClAddSyscall(NACL_sys_second_tls_set, &NaClSysSecond_Tls_SetDecoder);
NaClAddSyscall(NACL_sys_second_tls_get, &NaClSysSecond_Tls_GetDecoder);
NaClAddSyscall(NACL_sys_test_infoleak, &NaClSysTest_InfoLeakDecoder);
}
