int
main(int argc, const char *argv[])
{
process_id_t target_pid = 0;
uint action_mask = 0;
client_id_t client_id = 0;
uint64 client_arg = 0;
int i;
siginfo_t info;
int arg_offs = 1;
bool success;
/* parse command line */
if (argc <= 1)
return usage();
while (arg_offs < argc && argv[arg_offs][0] == '-') {
if (strcmp(argv[arg_offs], "-help") == 0) {
return usage();
} else if (strcmp(argv[arg_offs], "-v") == 0) {
printf("nudgeunix version %s -- build %d\n",
STRINGIFY(VERSION_NUMBER), BUILD_NUMBER);
exit(0);
} else if (strcmp(argv[arg_offs], "-pid") == 0) {
if (argc <= arg_offs+1)
return usage();
target_pid = strtoul(argv[arg_offs+1], NULL, 10);
arg_offs += 2;
} else if (strcmp(argv[arg_offs], "-client") == 0) {
if (argc <= arg_offs+2)
return usage();
action_mask |= NUDGE_GENERIC(client);
client_id = strtoul(argv[arg_offs+1], NULL, 16);
client_arg = strtoull(argv[arg_offs+2], NULL, 16);
arg_offs += 3;
} else if (strcmp(argv[arg_offs], "-type") == 0) {
int type_numeric;
if (argc <= arg_offs+1)
return usage();
type_numeric = strtoul(argv[arg_offs+1], NULL, 10);
action_mask |= type_numeric;
/* compare against symbolic names */
{
int found = 0;
#define NUDGE_DEF(name, comment) \
if (strcmp(#name, argv[arg_offs+1]) == 0) { \
found = 1; \
action_mask |= NUDGE_GENERIC(name); \
}
NUDGE_DEFINITIONS();
#undef NUDGE_DEF
if (!found && type_numeric == 0) {
fprintf(stderr, "ERROR: unknown -nudge %s\n", argv[arg_offs+1]);
return usage();
}
}
arg_offs += 2;
} else
return usage();
}
if (arg_offs < argc)
return usage();
/* construct the payload */
success = create_nudge_signal_payload(&info, action_mask, client_id, client_arg);
assert(success); /* failure means kernel's sigqueueinfo has changed */
/* send the nudge */
i = syscall(SYS_rt_sigqueueinfo, target_pid, NUDGESIG_SIGNUM, &info);
if (i < 0)
fprintf(stderr, "nudge FAILED with error %d\n", i);
return i;
}
int
main(int argc, char **argv)
{
int res=0,
run=0,
dump=0,
reset=0,
detachall=0,
detachpid=0,
all=0, /* applies to all running processes */
pid=-1, /* applies to pid, -1 means -all */
hotp_nudge_pid=0,
hotp_modes_nudge_pid=0,
hotp_nudge_all=0,
hotp_modes_nudge_all=0,
nudge=0, /* generic nudge with argument */
nudge_action_mask=0, /* generic nudge action mask */
delay_ms_all= /* delay between acting on processes */
NUDGE_NO_DELAY,
timeout_ms= /* timeout for finishing a nudge on a single process */
DETACH_RECOMMENDED_TIMEOUT,
runval=0,
canary_default=0,
canary_run = CANARY_RUN_FLAGS_DEFAULT,
canary_fault_run = 0,
exists = 0,
destroy = 0,
free_eventlog = 0;
uint64 nudge_client_arg=0; /* client nudge argument */
int verbose = 0;
char *create=NULL,
*addapp=NULL,
*appdump=NULL,
*removeapp=NULL,
*opstring=NULL,
*drdll=NULL,
*preinject=NULL,
*logdir=NULL,
*sharedcache=NULL,
*appname=NULL,
*drhome=NULL,
*modes=NULL,
*defs=NULL,
*detach_exename=NULL,
*load=NULL,
*save=NULL,
*eventlog=NULL,
*canary_process=NULL,
*scratch_folder=NULL,
*canary_fault_ops=NULL;
dr_platform_t dr_platform = DR_PLATFORM_DEFAULT;
int argidx=1;
WCHAR wbuf[MAX_PATH];
ConfigGroup *policy = NULL, *working_group;
if (argc < 2)
usage();
while (argidx < argc) {
if (!strcmp(argv[argidx], "-help")) {
help();
}
/* ******************** actions on active processes ******************** */
else if (!strcmp(argv[argidx], "-detachall")) {
detachall=1;
}
else if (!strcmp(argv[argidx], "-detach")) {
if (++argidx >= argc)
usage();
detachpid=atoi(argv[argidx]);
}
else if (!strcmp(argv[argidx], "-detachexe")) {
if (++argidx >= argc)
usage();
detach_exename=argv[argidx];
}
else if (!strcmp(argv[argidx], "-pid") || !strcmp(argv[argidx], "-p")) {
if (++argidx >= argc)
usage();
pid=atoi(argv[argidx]);
}
else if (!strcmp(argv[argidx], "-all")) {
all=1;
}
else if (!strcmp(argv[argidx], "-delay")) {
/* in milliseconds */
if (++argidx >= argc)
usage();
delay_ms_all=atoi(argv[argidx]);
}
else if (!strcmp(argv[argidx], "-timeout")) {
/* in milliseconds */
if (++argidx >= argc)
usage();
timeout_ms=atoi(argv[argidx]);
}
else if (!strcmp(argv[argidx], "-hot_patch_nudge")) {
if (++argidx >= argc)
usage();
hotp_nudge_pid=atoi(argv[argidx]);
}
else if (!strcmp(argv[argidx], "-hot_patch_modes_nudge")) {
if (++argidx >= argc)
usage();
hotp_modes_nudge_pid=atoi(argv[argidx]);
}
else if (!strcmp(argv[argidx], "-hot_patch_nudge_all")) {
hotp_nudge_all = 1;
}
else if (!strcmp(argv[argidx], "-verbose")) {
verbose = 1;
}
else if (!strcmp(argv[argidx], "-hot_patch_modes_nudge_all")) {
hotp_modes_nudge_all = 1;
}
else if (!strcmp(argv[argidx], "-drpop")) {
nudge = 1;
/* allow composition */
nudge_action_mask |= NUDGE_GENERIC(opt) | NUDGE_GENERIC(reset);
}
else if (!strcmp(argv[argidx], "-nudge")) {
int nudge_numeric;
if (++argidx >= argc)
usage();
nudge_numeric = atoi(argv[argidx]); /* 0 if fails */
nudge_action_mask |= nudge_numeric;
/* compare against numeric new code, or against symbolic names */
/* -nudge opt -nudge reset -nudge stats -nudge 30000 */
{
int found = 0;
#define NUDGE_DEF(name, comment) if (strcmp(#name, argv[argidx]) == 0) { found = 1; nudge_action_mask |= NUDGE_GENERIC(name);}
NUDGE_DEFINITIONS();
#undef NUDGE_DEF
if (!found && nudge_numeric == 0) {
printf("unknown -nudge %s\n", argv[argidx]);
usage();
}
}
nudge=1;
}
else if (!strcmp(argv[argidx], "-client_nudge")) {
if (++argidx >= argc)
usage();
nudge_client_arg = _strtoui64(argv[argidx], NULL, 16);
nudge_action_mask |= NUDGE_GENERIC(client);
nudge = 1;
}
/* ******************** configuration actions ******************** */
else if (!strcmp(argv[argidx], "-reset")) {
reset=1;
}
else if (!strcmp(argv[argidx], "-create")) {
if (++argidx >= argc)
usage();
create = argv[argidx];
}
else if (!strcmp(argv[argidx], "-destroy")) {
destroy = 1;
}
else if (!strcmp(argv[argidx], "-exists")) {
exists = 1;
}
else if (!strcmp(argv[argidx], "-run")) {
run = 1;
if (++argidx >= argc)
usage();
runval = atoi(argv[argidx]);
}
else if (!strcmp(argv[argidx], "-app")) {
if (++argidx >= argc)
usage();
appname = argv[argidx];
}
else if (!strcmp(argv[argidx], "-add")) {
if (++argidx >= argc)
usage();
addapp = argv[argidx];
}
else if (!strcmp(argv[argidx], "-remove")) {
if (++argidx >= argc)
usage();
removeapp = argv[argidx];
}
else if (!strcmp(argv[argidx], "-options")) {
if (++argidx >= argc)
usage();
opstring = argv[argidx];
}
else if (!strcmp(argv[argidx], "-drlib")) {
if (++argidx >= argc)
usage();
drdll = argv[argidx];
}
else if (!strcmp(argv[argidx], "-preinject")) {
if (++argidx >= argc)
usage();
preinject = argv[argidx];
}
else if (!strcmp(argv[argidx], "-create_eventlog")) {
if (++argidx >= argc)
usage();
eventlog = argv[argidx];
}
else if (!strcmp(argv[argidx], "-destroy_eventlog")) {
free_eventlog = 1;
}
else if (!strcmp(argv[argidx], "-drhome")) {
if (++argidx >= argc)
usage();
drhome = argv[argidx];
}
else if (!strcmp(argv[argidx], "-modes")) {
if (++argidx >= argc)
usage();
modes = argv[argidx];
}
else if (!strcmp(argv[argidx], "-defs")) {
if (++argidx >= argc)
usage();
defs = argv[argidx];
}
else if (!strcmp(argv[argidx], "-logdir")) {
if (++argidx >= argc)
usage();
logdir = argv[argidx];
}
else if (!strcmp(argv[argidx], "-sharedcache")) {
if (++argidx >= argc)
usage();
sharedcache = argv[argidx];
}
else if (!strcmp(argv[argidx], "-load")) {
if (++argidx >= argc)
usage();
load = argv[argidx];
}
else if (!strcmp(argv[argidx], "-save")) {
if (++argidx >= argc)
usage();
save = argv[argidx];
}
else if (!strcmp(argv[argidx], "-dump")) {
dump = 1;
}
else if (!strcmp(argv[argidx], "-appdump")) {
if (++argidx >= argc)
usage();
appdump = argv[argidx];
}
else if (!strcmp(argv[argidx], "-fulldump")) {
dump = 1;
}
else if (!strcmp(argv[argidx], "-v")) {
#ifdef BUILD_NUMBER
printf("DRcontrol.exe build %d -- %s", BUILD_NUMBER, __DATE__);
#else
printf("DRcontrol.exe custom build -- %s, %s", __DATE__, __TIME__);
#endif
} else if (!strcmp(argv[argidx], "-canary_default")) {
canary_default = 1;
} else if (!strcmp(argv[argidx], "-canary")) {
if (++argidx >= argc)
usage();
canary_process=argv[argidx];
if (++argidx >= argc)
usage();
scratch_folder=argv[argidx];
} else if (!strcmp(argv[argidx], "-canary_run")) {
if (++argidx >= argc)
usage();
canary_run = strtol(argv[argidx], NULL, 0);
} else if (!strcmp(argv[argidx], "-canary_fault")) {
char *dummy;
if (++argidx >= argc)
usage();
canary_fault_run = strtol(argv[argidx], &dummy, 0);
if (++argidx >= argc)
usage();
canary_fault_ops = argv[argidx];
} else if (!strcmp(argv[argidx], "-32")) {
dr_platform = DR_PLATFORM_32BIT;
} else if (!strcmp(argv[argidx], "-64")) {
dr_platform = DR_PLATFORM_64BIT;
} else {
fprintf(stderr, "Unknown option: %s\n", argv[argidx]);
usage();
}
argidx++;
}
/* PR 244206: set the registry view before any registry access */
set_dr_platform(dr_platform);
if (canary_process != NULL || canary_default != 0) {
BOOL result = TRUE;
WCHAR canary_fault_args[MAX_PATH];
CANARY_INFO info = {0};
info.run_flags = canary_run;
info.info_flags = CANARY_INFO_FLAGS_DEFAULT;
info.fault_run = canary_fault_run;
_snwprintf(canary_fault_args, BUFFER_SIZE_ELEMENTS(canary_fault_args),
L"%S", canary_fault_ops);
NULL_TERMINATE_BUFFER(canary_fault_args);
info.canary_fault_args = canary_fault_args;
if (canary_process != NULL && *canary_process != '\0' &&
scratch_folder != NULL && *scratch_folder != '\0') {
wchar_t canary[MAX_PATH], scratch[MAX_PATH], out[MAX_PATH];
FILE *out_file;
_snwprintf(canary, BUFFER_SIZE_ELEMENTS(canary), L"%S", canary_process);
NULL_TERMINATE_BUFFER(canary);
_snwprintf(scratch, BUFFER_SIZE_ELEMENTS(scratch), L"%S\\canary_test",
scratch_folder);
NULL_TERMINATE_BUFFER(scratch);
CreateDirectory(scratch, NULL);
_snwprintf(out, BUFFER_SIZE_ELEMENTS(out), L"%S\\canary_report.crep",
scratch_folder);
out_file = _wfopen(out, L"wb");
/* FIXME - check directory, out_file, and canary proc exist */
result = run_canary_test_ex(out_file, &info, scratch, canary);
} else if (canary_default != 0) {
result = run_canary_test(&info, L_EXPAND_LEVEL(STRINGIFY(BUILD_NUMBER)));
printf("See report file \"%S\"\n", info.report);
}
printf("Canary test - %s enable protection - code 0x%08x\n"
" msg=\"%S\"\n url=\"%S\"\n", result ? "do" : "don\'t",
info.canary_code, info.msg, info.url);
return info.canary_code;
}
if (exists) {
if (get_dynamorio_home() != NULL) {
printf("Registry setup exists\n");
return 0;
}
printf("Registry setup doesn't exist\n");
return 1;
}
if (save) {
_snwprintf(wbuf, MAX_PATH, L"%S", save);
NULL_TERMINATE_BUFFER(wbuf);
checked_operation("save policy", save_policy(wbuf));
}
if (destroy) {
checked_operation("delete product key", destroy_root_key());
if (!load && create == NULL)
return 0;
}
if (load) {
_snwprintf(wbuf, MAX_PATH, L"%S", load);
NULL_TERMINATE_BUFFER(wbuf);
checked_operation("load policy", load_policy(wbuf, FALSE, NULL));
}
if (create != NULL) {
_snwprintf(wbuf, MAX_PATH, L"%S", create);
NULL_TERMINATE_BUFFER(wbuf);
/* FALSE: do not overwrite (preserves old behavior) */
checked_operation("create registry", setup_installation(wbuf, FALSE));
}
/* ensure we init dynamorio_home, case 4009 */
get_dynamorio_home(); /* ignore return value */
if (nudge) {
if (verbose)
printf("-nudge %d -pid %d %s\n", nudge_action_mask, pid, all ? "all" : "");
if (pid == -1) /* explicitly set */
all = 1;
if (all)
checked_operation("nudge all",
generic_nudge_all(nudge_action_mask, nudge_client_arg,
timeout_ms, delay_ms_all));
else
checked_operation("nudge",
generic_nudge(pid, TRUE,
nudge_action_mask,
0, /* client ID (ignored here) */
nudge_client_arg,
timeout_ms));
goto finished;
}
if (detachall) {
checked_operation("detach all",
detach_all(timeout_ms));
goto finished;
}
if (detachpid) {
checked_operation("detach",
detach(detachpid, TRUE, timeout_ms));
goto finished;
}
if (detach_exename) {
_snwprintf(wbuf, MAX_PATH, L"%S", detach_exename);
NULL_TERMINATE_BUFFER(wbuf);
checked_operation("detach-exe",
detach_exe(wbuf, timeout_ms));
goto finished;
}
if (hotp_nudge_pid) {
checked_operation("hot patch update",
hotp_notify_defs_update(hotp_nudge_pid, TRUE,
timeout_ms));
goto finished;
}
if (hotp_modes_nudge_pid) {
checked_operation("hot patch modes update",
hotp_notify_modes_update(hotp_modes_nudge_pid, TRUE,
timeout_ms));
goto finished;
}
if (hotp_nudge_all) {
checked_operation("hot patch nudge all",
hotp_notify_all_defs_update(timeout_ms));
goto finished;
}
if (hotp_modes_nudge_all) {
checked_operation("hot patch modes nudge all",
hotp_notify_all_modes_update(timeout_ms));
goto finished;
}
checked_operation("read config",
read_config_group(&policy, L_PRODUCT_NAME, TRUE));
if (reset) {
remove_children(policy);
policy->should_clear = TRUE;
checked_operation("write registry", write_config_group(policy));
}
working_group = policy;
if (dump || appdump)
goto dumponly;
if (preinject) {
if (0 == strcmp(preinject, "OFF")) {
checked_operation("unset autoinject", unset_autoinjection());
}
else if (0 == strcmp(preinject, "ON")) {
checked_operation("set autoinject", set_autoinjection());
}
else if (0 == strcmp(preinject, "CLEAR")) {
checked_operation("clear autoinject",
set_autoinjection_ex(FALSE,
APPINIT_USE_WHITELIST,
NULL,
L"",
NULL,
NULL,
NULL,
0));
}
else if (0 == strcmp(preinject, "LIST")) {
WCHAR list[MAX_PARAM_LEN];
checked_operation("read appinit",
get_config_parameter(INJECT_ALL_KEY_L,
TRUE,
INJECT_ALL_SUBKEY_L,
list,
MAX_PARAM_LEN));
printf("%S\n", list);
if (is_vista()) {
printf("LoadAppInit is %s\n",
is_loadappinit_set() ? "on" : "off");
}
}
else if (0 == strcmp(preinject, "REPORT")) {
WCHAR list[MAX_PARAM_LEN], *entry, *sep;
checked_operation("read appinit",
get_config_parameter(INJECT_ALL_KEY_L,
TRUE,
INJECT_ALL_SUBKEY_L,
list,
MAX_PARAM_LEN));
entry = get_entry_location(list, L_EXPAND_LEVEL(INJECT_DLL_8_3_NAME),
APPINIT_SEPARATOR_CHAR);
if (NULL != entry) {
sep = wcschr(entry, APPINIT_SEPARATOR_CHAR);
if (NULL != sep)
*sep = L'\0';
printf("%S\n", entry);
if (is_vista()) {
printf("LoadAppInit is %s\n",
is_loadappinit_set() ? "on" : "off");
}
}
}
else if (0 == strcmp(preinject, "LOAD_OFF")) {
checked_operation("unset load autoinject", unset_loadappinit());
}
else if (0 == strcmp(preinject, "LOAD_ON")) {
checked_operation("set load autoinject", set_loadappinit());
}
else {
_snwprintf(wbuf, MAX_PATH, L"%S", preinject);
NULL_TERMINATE_BUFFER(wbuf);
checked_operation("set custom autoinject",
set_autoinjection_ex(TRUE, APPINIT_OVERWRITE,
NULL, NULL, NULL, wbuf,
NULL, 0));
}
if (0 != strcmp(preinject, "LIST") &&
0 != strcmp(preinject, "REPORT") &&
using_system32_for_preinject(NULL)) {
DWORD platform;
if (get_platform(&platform) == ERROR_SUCCESS &&
platform == PLATFORM_WIN_NT_4) {
fprintf(stderr, "Warning! On NT4, new AppInit_DLLs setting will not take effect until reboot!\n");
}
}
}
if (free_eventlog) {
checked_operation("free eventlog", destroy_eventlog());
}
if (eventlog) {
_snwprintf(wbuf, BUFFER_SIZE_ELEMENTS(wbuf), L"%S", eventlog);
NULL_TERMINATE_BUFFER(wbuf);
checked_operation("create eventlog", create_eventlog(wbuf));
}
/* configuration */
if (addapp) {
_snwprintf(wbuf, MAX_PATH, L"%S", addapp);
NULL_TERMINATE_BUFFER(wbuf);
if (NULL == get_child(wbuf, policy)) {
add_config_group(policy, new_config_group(wbuf));
}
}
if (removeapp) {
_snwprintf(wbuf, MAX_PATH, L"%S", removeapp);
NULL_TERMINATE_BUFFER(wbuf);
remove_child(wbuf, policy);
policy->should_clear = TRUE;
}
if (appname) {
_snwprintf(wbuf, MAX_PATH, L"%S", appname);
NULL_TERMINATE_BUFFER(wbuf);
working_group = get_child(wbuf, policy);
if (NULL == working_group) {
working_group = new_config_group(wbuf);
add_config_group(policy, working_group);
}
}
if (run) {
_snwprintf(wbuf, MAX_PATH, L"%d", runval);
NULL_TERMINATE_BUFFER(wbuf);
set_config_group_parameter(working_group,
L_DYNAMORIO_VAR_RUNUNDER, wbuf);
}
if (opstring) {
_snwprintf(wbuf, MAX_PATH, L"%S", opstring);
NULL_TERMINATE_BUFFER(wbuf);
set_config_group_parameter(working_group,
L_DYNAMORIO_VAR_OPTIONS, wbuf);
}
if (drdll) {
_snwprintf(wbuf, MAX_PATH, L"%S", drdll);
NULL_TERMINATE_BUFFER(wbuf);
set_config_group_parameter(working_group,
L_DYNAMORIO_VAR_AUTOINJECT, wbuf);
}
if (drhome) {
_snwprintf(wbuf, MAX_PATH, L"%S", drhome);
NULL_TERMINATE_BUFFER(wbuf);
set_config_group_parameter(working_group,
L_DYNAMORIO_VAR_HOME, wbuf);
}
if (modes) {
_snwprintf(wbuf, MAX_PATH, L"%S", modes);
NULL_TERMINATE_BUFFER(wbuf);
set_config_group_parameter(working_group,
L_DYNAMORIO_VAR_HOT_PATCH_MODES, wbuf);
}
if (defs) {
_snwprintf(wbuf, MAX_PATH, L"%S", defs);
NULL_TERMINATE_BUFFER(wbuf);
set_config_group_parameter(working_group,
L_DYNAMORIO_VAR_HOT_PATCH_POLICIES, wbuf);
}
if (logdir) {
_snwprintf(wbuf, MAX_PATH, L"%S", logdir);
NULL_TERMINATE_BUFFER(wbuf);
set_config_group_parameter(working_group,
L_DYNAMORIO_VAR_LOGDIR, wbuf);
}
if (sharedcache) {
/* note if the sharedcache root directory doesn't exist it should be
* created before calling this function */
_snwprintf(wbuf, MAX_PATH, L"%S", sharedcache);
NULL_TERMINATE_BUFFER(wbuf);
res = setup_cache_shared_directories(wbuf);
if (res != ERROR_SUCCESS) {
fprintf(stderr, "error %d creating directories!\n", res);
}
setup_cache_shared_registry(wbuf, working_group);
}
checked_operation("write policy", write_config_group(policy));
dumponly:
if (appdump) {
_snwprintf(wbuf, MAX_PATH, L"%S", appdump);
NULL_TERMINATE_BUFFER(wbuf);
working_group = get_child(wbuf, policy);
}
else {
working_group = policy;
}
if (dump || appdump) {
if (NULL == working_group)
fprintf(stderr, "No Configuration Exists!\n");
else
dump_config_group(""," ",working_group,FALSE);
}
finished:
if (policy != NULL)
free_config_group(policy);
return 0;
}