int native_set_objectname(const TCHAR *service_name, void *param, const TCHAR *name, void *default_value, value_t *value, const TCHAR *additional) {
SC_HANDLE service_handle = (SC_HANDLE) param;
if (! service_handle) return -1;
/*
Logical syntax is: nssm set <service> ObjectName <username> <password>
That means the username is actually passed in the additional parameter.
*/
bool localsystem = false;
TCHAR *username = NSSM_LOCALSYSTEM_ACCOUNT;
TCHAR *password = 0;
if (additional) {
username = (TCHAR *) additional;
if (value && value->string) password = value->string;
}
else if (value && value->string) username = value->string;
const TCHAR *well_known = well_known_username(username);
size_t passwordsize = 0;
if (well_known) {
if (str_equiv(well_known, NSSM_LOCALSYSTEM_ACCOUNT)) localsystem = true;
username = (TCHAR *) well_known;
password = _T("");
}
else if (! password) {
/* We need a password if the account requires it. */
print_message(stderr, NSSM_MESSAGE_MISSING_PASSWORD, name);
return -1;
}
else passwordsize = _tcslen(password) * sizeof(TCHAR);
/*
ChangeServiceConfig() will fail to set the username if the service is set
to interact with the desktop.
*/
unsigned long type = SERVICE_NO_CHANGE;
if (! localsystem) {
QUERY_SERVICE_CONFIG *qsc = query_service_config(service_name, service_handle);
if (! qsc) {
if (passwordsize) SecureZeroMemory(password, passwordsize);
return -1;
}
type = qsc->dwServiceType & ~SERVICE_INTERACTIVE_PROCESS;
HeapFree(GetProcessHeap(), 0, qsc);
}
if (! well_known) {
if (grant_logon_as_service(username)) {
if (passwordsize) SecureZeroMemory(password, passwordsize);
print_message(stderr, NSSM_MESSAGE_GRANT_LOGON_AS_SERVICE_FAILED, username);
return -1;
}
}
if (! ChangeServiceConfig(service_handle, type, SERVICE_NO_CHANGE, SERVICE_NO_CHANGE, 0, 0, 0, 0, username, password, 0)) {
if (passwordsize) SecureZeroMemory(password, passwordsize);
print_message(stderr, NSSM_MESSAGE_CHANGESERVICECONFIG_FAILED, error_string(GetLastError()));
return -1;
}
if (passwordsize) SecureZeroMemory(password, passwordsize);
if (localsystem) return 0;
return 1;
}
inline void set_capture_direction(pcap_t *source,
const capture_direction &dir) {
if (pcap_setdirection(source, static_cast<pcap_direction_t>(dir)) != 0) {
throw error{"pcap_setdirection error\n" + error_string(source)};
}
}
/* Functions to manage native service settings. */
static int native_set_dependongroup(const TCHAR *service_name, void *param, const TCHAR *name, void *default_value, value_t *value, const TCHAR *additional) {
SC_HANDLE service_handle = (SC_HANDLE) param;
if (! service_handle) return -1;
/*
Get existing service dependencies because we must set both types together.
*/
TCHAR *buffer;
unsigned long buflen;
if (get_service_dependencies(service_name, service_handle, &buffer, &buflen, DEPENDENCY_SERVICES)) return -1;
if (! value || ! value->string || ! value->string[0]) {
if (! ChangeServiceConfig(service_handle, SERVICE_NO_CHANGE, SERVICE_NO_CHANGE, SERVICE_NO_CHANGE, 0, 0, 0, buffer, 0, 0, 0)) {
print_message(stderr, NSSM_MESSAGE_CHANGESERVICECONFIG_FAILED, error_string(GetLastError()));
if (buffer) HeapFree(GetProcessHeap(), 0, buffer);
return -1;
}
if (buffer) HeapFree(GetProcessHeap(), 0, buffer);
return 0;
}
unsigned long len = (unsigned long) _tcslen(value->string) + 1;
TCHAR *unformatted = 0;
unsigned long newlen;
if (unformat_double_null(value->string, len, &unformatted, &newlen)) {
if (buffer) HeapFree(GetProcessHeap(), 0, buffer);
return -1;
}
/* Prepend group identifier. */
unsigned long missing = 0;
TCHAR *canon = unformatted;
size_t canonlen = 0;
TCHAR *s;
for (s = unformatted; *s; s++) {
if (*s != SC_GROUP_IDENTIFIER) missing++;
size_t len = _tcslen(s);
canonlen += len + 1;
s += len;
}
if (missing) {
/* Missing identifiers plus double NULL terminator. */
canonlen += missing + 1;
newlen = (unsigned long) canonlen;
canon = (TCHAR *) HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, canonlen * sizeof(TCHAR));
if (! canon) {
print_message(stderr, NSSM_MESSAGE_OUT_OF_MEMORY, _T("canon"), _T("native_set_dependongroup"));
if (unformatted) HeapFree(GetProcessHeap(), 0, unformatted);
if (buffer) HeapFree(GetProcessHeap(), 0, buffer);
return -1;
}
size_t i = 0;
for (s = unformatted; *s; s++) {
if (*s != SC_GROUP_IDENTIFIER) canon[i++] = SC_GROUP_IDENTIFIER;
size_t len = _tcslen(s);
memmove(canon + i, s, (len + 1) * sizeof(TCHAR));
i += len + 1;
s += len;
}
}
TCHAR *dependencies;
if (buflen > 2) {
dependencies = (TCHAR *) HeapAlloc(GetProcessHeap(), 0, (newlen + buflen) * sizeof(TCHAR));
if (! dependencies) {
print_message(stderr, NSSM_MESSAGE_OUT_OF_MEMORY, _T("dependencies"), _T("native_set_dependongroup"));
if (canon != unformatted) HeapFree(GetProcessHeap(), 0, canon);
if (unformatted) HeapFree(GetProcessHeap(), 0, unformatted);
if (buffer) HeapFree(GetProcessHeap(), 0, buffer);
return -1;
}
memmove(dependencies, buffer, buflen * sizeof(TCHAR));
memmove(dependencies + buflen - 1, canon, newlen * sizeof(TCHAR));
}
else dependencies = canon;
int ret = 1;
if (set_service_dependencies(service_name, service_handle, dependencies)) ret = -1;
if (dependencies != unformatted) HeapFree(GetProcessHeap(), 0, dependencies);
if (canon != unformatted) HeapFree(GetProcessHeap(), 0, canon);
if (unformatted) HeapFree(GetProcessHeap(), 0, unformatted);
if (buffer) HeapFree(GetProcessHeap(), 0, buffer);
return ret;
}
inline already_activated_error::already_activated_error(pcap_t *source)
: error{"Capture source already activated\n" + error_string(source)} {}
inline void set_filter(pcap_t *source, bpf_program *filter_program) {
if (pcap_setfilter(source, filter_program) == -1) {
throw error{"Couldn't set filter\n" + error_string(source)};
}
}
std::string error_checker::error_string()
{
return (error_string(_error));
}
inline error::error(pcap_t *source) : error{error_string(source)} {}
void report_error(cl_int err){
std::cout << error_string(err) << std::endl;
}
void report_error_pf(const char* pf, cl_int err){
std::cout << pf << " : " << error_string(err) << std::endl;
}
void print_error(int e) {
char* p;
p = error_string(e);
fprintf(stderr,"%s\n",p);
}
/* Start the service */
int start_service() {
stopping = false;
if (process_handle) return 0;
/* Allocate a STARTUPINFO structure for a new process */
STARTUPINFO si;
ZeroMemory(&si, sizeof(si));
si.cb = sizeof(si);
/* Allocate a PROCESSINFO structure for the process */
PROCESS_INFORMATION pi;
ZeroMemory(&pi, sizeof(pi));
/* Get startup parameters */
char *env = 0;
int ret = get_parameters(service_name, exe, sizeof(exe), flags, sizeof(flags), dir, sizeof(dir), &env, &throttle_delay);
if (ret) {
log_event(EVENTLOG_ERROR_TYPE, NSSM_EVENT_GET_PARAMETERS_FAILED, service_name, 0);
return stop_service(2, true, true);
}
/* Launch executable with arguments */
char cmd[CMD_LENGTH];
if (_snprintf(cmd, sizeof(cmd), "\"%s\" %s", exe, flags) < 0) {
log_event(EVENTLOG_ERROR_TYPE, NSSM_EVENT_OUT_OF_MEMORY, "command line", "start_service", 0);
return stop_service(2, true, true);
}
throttle_restart();
if (! CreateProcess(0, cmd, 0, 0, false, 0, env, dir, &si, &pi)) {
unsigned long error = GetLastError();
if (error == ERROR_INVALID_PARAMETER && env) log_event(EVENTLOG_ERROR_TYPE, NSSM_EVENT_CREATEPROCESS_FAILED_INVALID_ENVIRONMENT, service_name, exe, NSSM_REG_ENV, 0);
else log_event(EVENTLOG_ERROR_TYPE, NSSM_EVENT_CREATEPROCESS_FAILED, service_name, exe, error_string(error), 0);
return stop_service(3, true, true);
}
process_handle = pi.hProcess;
pid = pi.dwProcessId;
if (get_process_creation_time(process_handle, &creation_time)) ZeroMemory(&creation_time, sizeof(creation_time));
/* Signal successful start */
service_status.dwCurrentState = SERVICE_RUNNING;
SetServiceStatus(service_handle, &service_status);
/* Wait for a clean startup. */
if (WaitForSingleObject(process_handle, throttle_delay) == WAIT_TIMEOUT) throttle = 0;
return 0;
}
int monitor_service() {
/* Set service status to started */
int ret = start_service();
if (ret) {
char code[16];
_snprintf(code, sizeof(code), "%d", ret);
log_event(EVENTLOG_ERROR_TYPE, NSSM_EVENT_START_SERVICE_FAILED, exe, service_name, ret, 0);
return ret;
}
log_event(EVENTLOG_INFORMATION_TYPE, NSSM_EVENT_STARTED_SERVICE, exe, flags, service_name, dir, 0);
/* Monitor service service */
if (! RegisterWaitForSingleObject(&wait_handle, process_handle, end_service, (void *) pid, INFINITE, WT_EXECUTEONLYONCE | WT_EXECUTELONGFUNCTION)) {
log_event(EVENTLOG_WARNING_TYPE, NSSM_EVENT_REGISTERWAITFORSINGLEOBJECT_FAILED, service_name, exe, error_string(GetLastError()), 0);
}
return 0;
}
/* Make sure service recovery actions are taken where necessary */
void set_service_recovery(SC_HANDLE service, char *service_name) {
SC_HANDLE services = 0;
if (! service) {
services = open_service_manager();
if (! services) return;
service = OpenService(services, service_name, SC_MANAGER_ALL_ACCESS);
if (! service) return;
}
SERVICE_FAILURE_ACTIONS_FLAG flag;
ZeroMemory(&flag, sizeof(flag));
flag.fFailureActionsOnNonCrashFailures = true;
/* This functionality was added in Vista so the call may fail */
if (! ChangeServiceConfig2(service, SERVICE_CONFIG_FAILURE_ACTIONS_FLAG, &flag)) {
unsigned long error = GetLastError();
/* Pre-Vista we expect to fail with ERROR_INVALID_LEVEL */
if (error != ERROR_INVALID_LEVEL) {
log_event(EVENTLOG_ERROR_TYPE, NSSM_EVENT_CHANGESERVICECONFIG2_FAILED, service_name, error_string(error), 0);
}
}
if (services) {
CloseServiceHandle(service);
CloseServiceHandle(services);
}
}
bool ChannelImpl::GetNextFrameFromBroker(amqp_frame_t& frame, boost::chrono::microseconds timeout)
{
int socketno = amqp_get_sockfd(m_connection);
start:
// Possibly set a timeout on receiving
if (timeout != boost::chrono::microseconds::max() && !amqp_frames_enqueued(m_connection) && !amqp_data_in_buffer(m_connection))
{
struct timeval tv_timeout;
memset(&tv_timeout, 0, sizeof(tv_timeout));
// boost::chrono::seconds.count() returns boost::int_atleast64_t,
// long can be 32 or 64 bit depending on the platform/arch
// unless the timeout is something absurd cast to long will be ok, but
// lets guard against the case where someone does something silly
assert(boost::chrono::duration_cast<boost::chrono::seconds>(timeout).count() <
static_cast<boost::chrono::seconds::rep>(std::numeric_limits<long>::max()));
tv_timeout.tv_sec = static_cast<long>(boost::chrono::duration_cast<boost::chrono::seconds>(timeout).count());
tv_timeout.tv_usec = static_cast<long>((timeout - boost::chrono::seconds(tv_timeout.tv_sec)).count());
fd_set fds;
FD_ZERO(&fds);
FD_SET(static_cast<unsigned int>(socketno), &fds);
int select_return = select(socketno + 1, &fds, NULL, &fds, &tv_timeout);
if (select_return == 0) // If it times out, return
{
return false;
}
else if (select_return == -1)
{
// If its an interupted system call just try again
if (errno == EINTR)
{
goto start;
}
else
{
std::string error_string("error calling select on socket: ");
#ifdef HAVE_STRERROR_S
const int BUFFER_LENGTH = 256;
char error_string_buffer[BUFFER_LENGTH] = {0};
strerror_s(error_string_buffer, errno);
error_string += error_string_buffer;
#elif defined(HAVE_STRERROR_R)
const int BUFFER_LENGTH = 256;
char error_string_buffer[BUFFER_LENGTH] = {0};
strerror_r(errno, error_string_buffer, BUFFER_LENGTH);
error_string += error_string_buffer;
#else
error_string += strerror(errno);
#endif
throw std::runtime_error(error_string.c_str());
}
}
}
CheckForError(amqp_simple_wait_frame(m_connection, &frame));
return true;
}
