BOOL uac::RunAsStdUser(LPCTSTR lpszExePath, LPCTSTR lpszParameters)
{
if (!IsAdminElevated())
RunShellExecute(FALSE, lpszExePath, lpszParameters);
HRESULT hr = 0;
// Choose a name for the task.
LPCTSTR pszTaskName = L"RunAsStdUser Task";
// Create an instance of the Task Service.
ComObjHelper<ITaskService> iService;
hr = CoCreateInstance(CLSID_TaskScheduler,
NULL,
CLSCTX_INPROC_SERVER,
IID_ITaskService,
(void**)&(iService.m_pComObj));
FAILED_IF(hr);
// Connect to the task service.
hr = iService.m_pComObj->Connect(_variant_t(), _variant_t(), _variant_t(), _variant_t());
FAILED_IF(hr);
// Get the pointer to the root task folder. This folder will hold the
// new task that is registered.
ComObjHelper<ITaskFolder> iRootFolder;
hr = iService.m_pComObj->GetFolder(_bstr_t(L"\\"), &iRootFolder.m_pComObj);
FAILED_IF(hr);
// If the same task exists, remove it.
iRootFolder.m_pComObj->DeleteTask(_bstr_t(pszTaskName), 0); // ignore error message, if any
// Create the task builder object to create the task.
ComObjHelper<ITaskDefinition> iTask;
hr = iService.m_pComObj->NewTask(0, &iTask.m_pComObj);
FAILED_IF(hr);
// Get the registration info for setting the identification.
ComObjHelper<IRegistrationInfo> iRegInfo;
hr = iTask.m_pComObj->get_RegistrationInfo(&iRegInfo.m_pComObj);
FAILED_IF(hr);
hr = iRegInfo.m_pComObj->put_Author(L"RunAsStdUser");
FAILED_IF(hr);
// Create the principal for the task
ComObjHelper<IPrincipal> iPrincipal;
hr = iTask.m_pComObj->get_Principal(&iPrincipal.m_pComObj);
FAILED_IF(hr);
// Set up principal information:
hr = iPrincipal.m_pComObj->put_Id(_bstr_t(L"RunAsStdUser_Principal"));
FAILED_IF(hr);
hr = iPrincipal.m_pComObj->put_LogonType(TASK_LOGON_INTERACTIVE_TOKEN);
FAILED_IF(hr);
// Run the task with the least privileges (LUA)
hr = iPrincipal.m_pComObj->put_RunLevel(TASK_RUNLEVEL_LUA);
FAILED_IF(hr);
// Create the settings for the task
ComObjHelper<ITaskSettings> iSettings;
hr = iTask.m_pComObj->get_Settings(&iSettings.m_pComObj);
FAILED_IF(hr);
// Set setting values for the task.
hr = iSettings.m_pComObj->put_StartWhenAvailable(VARIANT_BOOL(true));
FAILED_IF(hr);
// Get the trigger collection to insert the registration trigger.
ComObjHelper<ITriggerCollection> iTriggerCollection;
hr = iTask.m_pComObj->get_Triggers(&iTriggerCollection.m_pComObj);
FAILED_IF(hr);
// Add the registration trigger to the task.
ComObjHelper<ITrigger> iTrigger;
hr = iTriggerCollection.m_pComObj->Create(TASK_TRIGGER_REGISTRATION, &iTrigger.m_pComObj);
FAILED_IF(hr);
ComObjHelper<IRegistrationTrigger> iRegistrationTrigger;
hr = iTrigger.m_pComObj->QueryInterface(
IID_IRegistrationTrigger, (void**)&iRegistrationTrigger.m_pComObj);
FAILED_IF(hr);
hr = iRegistrationTrigger.m_pComObj->put_Id(_bstr_t(L"RunAsStdUser_Trigger"));
FAILED_IF(hr);
// Define the delay for the registration trigger.
hr = iRegistrationTrigger.m_pComObj->put_Delay(L"PT0S"); // 0 second delay of execution;
FAILED_IF(hr);
// Add an Action to the task. This task will execute notepad.exe.
// Get the task action collection pointer.
ComObjHelper<IActionCollection> iActionCollection;
hr = iTask.m_pComObj->get_Actions(&iActionCollection.m_pComObj);
FAILED_IF(hr);
// Create the action, specifying that it is an executable action.
ComObjHelper<IAction> iAction;
hr = iActionCollection.m_pComObj->Create(TASK_ACTION_EXEC, &iAction.m_pComObj);
FAILED_IF(hr);
// QI for the executable task pointer.
ComObjHelper<IExecAction> iExecAction;
hr = iAction.m_pComObj->QueryInterface(
IID_IExecAction, (void**)&iExecAction.m_pComObj);
FAILED_IF(hr);
// Set the path of the executable to notepad.exe.
hr = iExecAction.m_pComObj->put_Path(_bstr_t(lpszExePath));
if (lpszParameters)
{
hr = iExecAction.m_pComObj->put_Arguments(_bstr_t(lpszParameters));
FAILED_IF(hr);
}
// TODO:
//if (pszDirectory)
//{
// hr = iExecAction.m_pComObj->put_WorkingDirectory(_bstr_t(pszDirectory));
//}
// Save the task in the root folder.
ComObjHelper<IRegisteredTask> iRegisteredTask;
hr = iRootFolder.m_pComObj->RegisterTaskDefinition(
_bstr_t(pszTaskName),
iTask.m_pComObj,
TASK_CREATE_OR_UPDATE,
_variant_t(),
_variant_t(),
TASK_LOGON_INTERACTIVE_TOKEN,
_variant_t(L""),
&iRegisteredTask.m_pComObj);
FAILED_IF(hr);
return TRUE;
}
int main(int argc, char *argv[])
{
unsigned char *core;
int i;
size_t s, s2;
pid_t pid;
int size;
MM *mm;
int n;
char *cp[1025];
int version;
struct count_test { int count; int prev; } *ct;
setbuf(stderr, NULL);
/*
**
** Test Global Library API
**
*/
fprintf(stderr, "\n*** TESTING GLOBAL LIBRARY API ***\n\n");
fprintf(stderr, "Fetching library version\n");
version = mm_lib_version();
FAILED_IF(version == 0x0);
fprintf(stderr, "version = 0x%X\n", version);
/*
**
** Test Low-Level Shared Memory API
**
*/
fprintf(stderr, "\n*** TESTING LOW-LEVEL SHARED MEMORY API ***\n");
fprintf(stderr, "\n=== Testing Memory Segment Access ===\n");
fprintf(stderr, "Creating 16KB shared memory core area\n");
core = mm_core_create(1024*16, NULL);
FAILED_IF(core == NULL);
s = mm_core_size(core);
FAILED_IF(s == 0);
fprintf(stderr, "actually allocated core size = %d\n", s);
fprintf(stderr, "Writing 0xF5 bytes to shared memory core area\n");
for (i = 0; i < s; i++) {
fprintf(stderr, "write to core[%06d]\r", i);
core[i] = 0xF5;
}
fprintf(stderr, "\n");
fprintf(stderr, "Reading back 0xF5 bytes from shared memory core area\n");
for (i = 0; i < s; i++) {
fprintf(stderr, "read from core[%06d]\r", i);
if (core[i] != 0xF5) {
fprintf(stderr, "Offset %d: 0xF5 not found (found 0x%X\n", i, core[i]);
exit(0);
}
}
fprintf(stderr, "\n");
fprintf(stderr, "Destroying shared memory core area\n");
mm_core_delete(core);
fprintf(stderr, "\n=== Testing Memory Locking ===\n");
fprintf(stderr, "Creating small shared memory core area\n");
ct = mm_core_create(sizeof(struct count_test), NULL);
FAILED_IF(ct == NULL);
s = mm_core_size(ct);
FAILED_IF(s == 0);
fprintf(stderr, "actually allocated core size = %d\n", s);
ct->prev = 0;
ct->count = 1;
if ((pid = fork()) == 0) {
/* child */
while (ct->count < 32768) {
if (!mm_core_lock(ct, MM_LOCK_RW)) {
fprintf(stderr, "locking failed (child)\n");
FAILED_IF(1);
}
if (ct->prev != (ct->count-1)) {
fprintf(stderr, "Failed, prev=%d != count=%d\n", ct->prev, ct->count);
exit(1);
}
ct->count += 1;
fprintf(stderr, "count=%06d (child )\r", ct->count);
ct->prev += 1;
if (!mm_core_unlock(ct)) {
fprintf(stderr, "locking failed (child)\n");
FAILED_IF(1);
}
}
exit(0);
}
/* parent ... */
while (ct->count < 32768) {
if (!mm_core_lock(ct, MM_LOCK_RW)) {
fprintf(stderr, "locking failed (parent)\n");
FAILED_IF(1);
}
if (ct->prev != (ct->count-1)) {
fprintf(stderr, "Failed, prev=%d != count=%d\n", ct->prev, ct->count);
exit(1);
}
ct->count += 1;
fprintf(stderr, "count=%06d (parent)\r", ct->count);
ct->prev += 1;
if (!mm_core_unlock(ct)) {
fprintf(stderr, "locking failed (parent)\n");
kill(pid, SIGTERM);
FAILED_IF(1);
}
}
waitpid(pid, NULL, 0);
fprintf(stderr, "\n");
fprintf(stderr, "Destroying shared memory core area\n");
mm_core_delete(ct);
/*
**
** Test Standard Malloc-style API
**
*/
fprintf(stderr, "\n*** TESTING STANDARD MALLOC-STYLE API ***\n");
fprintf(stderr, "\n=== Testing Allocation ===\n");
fprintf(stderr, "Creating MM object\n");
size = mm_maxsize();
if (size > 1024*1024*1)
size = 1024*1024*1;
mm = mm_create(size, NULL);
FAILED_IF(mm == NULL)
mm_display_info(mm);
s = mm_available(mm);
FAILED_IF(s == 0);
fprintf(stderr, "actually available bytes = %d\n", s);
fprintf(stderr, "Allocating areas inside MM\n");
n = 0;
for (i = 0; i < 1024; i++)
cp[i] = NULL;
for (i = 0; i < 1024; i++) {
fprintf(stderr, "total=%09d allocated=%09d add=%06d\r", s, n, (i+1)*(i+1));
s2 = mm_available(mm);
if ((i+1)*(i+1) > s2) {
cp[i] = mm_malloc(mm, (i+1)*(i+1));
if (cp[i] != NULL) {
fprintf(stderr, "\nExpected an out of memory situation. Hmmmmm\n");
FAILED_IF(1);
}
break;
}
cp[i] = mm_malloc(mm, (i+1)*(i+1));
n += (i+1)*(i+1);
FAILED_IF(cp[i] == NULL)
memset(cp[i], 0xF5, (i+1)*(i+1));
}
mm_display_info(mm);
fprintf(stderr, "\n=== Testing Defragmentation ===\n");
fprintf(stderr, "Fragmenting memory area by freeing some selected areas\n");
for (i = 0; i < 1024; i++) {
if (i % 2 == 0)
continue;
if (cp[i] != NULL)
mm_free(mm, cp[i]);
cp[i] = NULL;
}
mm_display_info(mm);
fprintf(stderr, "Freeing all areas\n");
for (i = 0; i < 1024; i++) {
mm_free(mm, cp[i]);
}
mm_display_info(mm);
fprintf(stderr, "Checking for memory leaks\n");
s2 = mm_available(mm);
if (s != s2) {
fprintf(stderr, "Something is leaking, we've lost %d bytes\n", s - s2);
FAILED_IF(1);
}
else {
fprintf(stderr, "Fine, we have again %d bytes available\n", s2);
}
fprintf(stderr, "Destroying MM object\n");
mm_destroy(mm);
/******/
fprintf(stderr, "\nOK - ALL TESTS SUCCESSFULLY PASSED.\n\n");
exit(0);
}