X-Git-Url: http://git.iain.cx/?a=blobdiff_plain;f=service.cpp;h=52937cffb399d19f82dd436b5ec117bf91c85130;hb=b5286398f850b432edbddc6d602ab3f33ab086be;hp=b8c73ef435a15f606473dfc8979a74f8f34322f4;hpb=2cd1c7c29ef4d2d3df3c5afd3ca6c788aede2bef;p=nssm.git diff --git a/service.cpp b/service.cpp index b8c73ef..52937cf 100644 --- a/service.cpp +++ b/service.cpp @@ -1,8 +1,5 @@ #include "nssm.h" -/* This is explicitly a wide string. */ -#define NSSM_LOGON_AS_SERVICE_RIGHT L"SeServiceLogonRight" - bool is_admin; bool use_critical_section; @@ -18,6 +15,85 @@ typedef struct { int last; } list_t; +/* + Check the status in response to a control. + Returns: 1 if the status is expected, eg STOP following CONTROL_STOP. + 0 if the status is desired, eg STOPPED following CONTROL_STOP. + -1 if the status is undesired, eg STOPPED following CONTROL_START. +*/ +static inline int service_control_response(unsigned long control, unsigned long status) { + switch (control) { + case NSSM_SERVICE_CONTROL_START: + switch (status) { + case SERVICE_START_PENDING: + return 1; + + case SERVICE_RUNNING: + return 0; + + default: + return -1; + } + + case SERVICE_CONTROL_STOP: + case SERVICE_CONTROL_SHUTDOWN: + switch (status) { + case SERVICE_STOP_PENDING: + return 1; + + case SERVICE_STOPPED: + return 0; + + default: + return -1; + } + + case SERVICE_CONTROL_PAUSE: + switch (status) { + case SERVICE_PAUSE_PENDING: + return 1; + + case SERVICE_PAUSED: + return 0; + + default: + return -1; + } + + case SERVICE_CONTROL_CONTINUE: + switch (status) { + case SERVICE_CONTINUE_PENDING: + return 1; + + case SERVICE_RUNNING: + return 0; + + default: + return -1; + } + + case SERVICE_CONTROL_INTERROGATE: + return 0; + } + + return 0; +} + +static inline int await_service_control_response(unsigned long control, SC_HANDLE service_handle, SERVICE_STATUS *service_status, unsigned long initial_status) { + int tries = 0; + while (QueryServiceStatus(service_handle, service_status)) { + int response = service_control_response(control, service_status->dwCurrentState); + /* Alas we can't WaitForSingleObject() on an SC_HANDLE. */ + if (! response) return response; + if (response > 0 || service_status->dwCurrentState == initial_status) { + if (++tries > 10) return response; + Sleep(50 * tries); + } + else return response; + } + return -1; +} + int affinity_mask_to_string(__int64 mask, TCHAR **string) { if (! string) return 1; if (! mask) { @@ -177,8 +253,8 @@ static unsigned long WINAPI shutdown_service(void *arg) { } /* Connect to the service manager */ -SC_HANDLE open_service_manager() { - SC_HANDLE ret = OpenSCManager(0, SERVICES_ACTIVE_DATABASE, SC_MANAGER_ALL_ACCESS); +SC_HANDLE open_service_manager(unsigned long access) { + SC_HANDLE ret = OpenSCManager(0, SERVICES_ACTIVE_DATABASE, access); if (! ret) { if (is_admin) log_event(EVENTLOG_ERROR_TYPE, NSSM_EVENT_OPENSCMANAGER_FAILED, 0); return 0; @@ -188,14 +264,15 @@ SC_HANDLE open_service_manager() { } /* Open a service by name or display name. */ -SC_HANDLE open_service(SC_HANDLE services, TCHAR *service_name, TCHAR *canonical_name, unsigned long canonical_namelen) { - SC_HANDLE service_handle = OpenService(services, service_name, SERVICE_ALL_ACCESS); +SC_HANDLE open_service(SC_HANDLE services, TCHAR *service_name, unsigned long access, TCHAR *canonical_name, unsigned long canonical_namelen) { + SC_HANDLE service_handle = OpenService(services, service_name, access); if (service_handle) { if (canonical_name && canonical_name != service_name) { - if (_sntprintf_s(canonical_name, canonical_namelen, _TRUNCATE, _T("%s"), service_name) < 0) { - print_message(stderr, NSSM_MESSAGE_OUT_OF_MEMORY, _T("canonical_name"), _T("open_service()")); - return 0; - } + TCHAR displayname[SERVICE_NAME_LENGTH]; + unsigned long displayname_len = (unsigned long) _countof(displayname); + GetServiceDisplayName(services, service_name, displayname, &displayname_len); + unsigned long keyname_len = canonical_namelen; + GetServiceKeyName(services, displayname, canonical_name, &keyname_len); } return service_handle; } @@ -255,7 +332,7 @@ SC_HANDLE open_service(SC_HANDLE services, TCHAR *service_name, TCHAR *canonical } HeapFree(GetProcessHeap(), 0, status); - return open_service(services, canonical_name, 0, 0); + return open_service(services, canonical_name, access, 0, 0); } } @@ -263,7 +340,7 @@ SC_HANDLE open_service(SC_HANDLE services, TCHAR *service_name, TCHAR *canonical } /* Recurse so we can get an error message. */ - return open_service(services, service_name, 0, 0); + return open_service(services, service_name, access, 0, 0); } QUERY_SERVICE_CONFIG *query_service_config(const TCHAR *service_name, SC_HANDLE service_handle) { @@ -294,6 +371,185 @@ QUERY_SERVICE_CONFIG *query_service_config(const TCHAR *service_name, SC_HANDLE return qsc; } +int set_service_dependencies(const TCHAR *service_name, SC_HANDLE service_handle, TCHAR *buffer) { + TCHAR *dependencies = _T(""); + unsigned long num_dependencies = 0; + + if (buffer && buffer[0]) { + SC_HANDLE services = open_service_manager(SC_MANAGER_CONNECT | SC_MANAGER_ENUMERATE_SERVICE); + if (! services) { + print_message(stderr, NSSM_MESSAGE_OPEN_SERVICE_MANAGER_FAILED); + return 1; + } + + /* + Count the dependencies then allocate a buffer big enough for their + canonical names, ie n * SERVICE_NAME_LENGTH. + */ + TCHAR *s; + TCHAR *groups = 0; + for (s = buffer; *s; s++) { + num_dependencies++; + if (*s == SC_GROUP_IDENTIFIER) groups = s; + while (*s) s++; + } + + /* At least one dependency is a group so we need to verify them. */ + if (groups) { + HKEY key; + if (RegOpenKeyEx(HKEY_LOCAL_MACHINE, NSSM_REGISTRY_GROUPS, 0, KEY_READ, &key)) { + _ftprintf(stderr, _T("%s: %s\n"), NSSM_REGISTRY_GROUPS, error_string(GetLastError())); + return 2; + } + + unsigned long type; + unsigned long groupslen; + unsigned long ret = RegQueryValueEx(key, NSSM_REG_GROUPS, 0, &type, NULL, &groupslen); + if (ret == ERROR_SUCCESS) { + groups = (TCHAR *) HeapAlloc(GetProcessHeap(), 0, groupslen); + if (! groups) { + print_message(stderr, NSSM_MESSAGE_OUT_OF_MEMORY, _T("groups"), _T("set_service_dependencies()")); + return 3; + } + + ret = RegQueryValueEx(key, NSSM_REG_GROUPS, 0, &type, (unsigned char *) groups, &groupslen); + if (ret != ERROR_SUCCESS) { + _ftprintf(stderr, _T("%s\\%s: %s"), NSSM_REGISTRY_GROUPS, NSSM_REG_GROUPS, error_string(GetLastError())); + HeapFree(GetProcessHeap(), 0, groups); + RegCloseKey(key); + return 4; + } + } + else if (ret != ERROR_FILE_NOT_FOUND) { + _ftprintf(stderr, _T("%s\\%s: %s"), NSSM_REGISTRY_GROUPS, NSSM_REG_GROUPS, error_string(GetLastError())); + RegCloseKey(key); + return 4; + } + + RegCloseKey(key); + + } + + unsigned long dependencieslen = (num_dependencies * SERVICE_NAME_LENGTH) + 2; + dependencies = (TCHAR *) HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, dependencieslen * sizeof(TCHAR)); + size_t i = 0; + + TCHAR dependency[SERVICE_NAME_LENGTH]; + for (s = buffer; *s; s++) { + /* Group? */ + if (*s == SC_GROUP_IDENTIFIER) { + TCHAR *group = s + 1; + + bool ok = false; + if (*group) { + for (TCHAR *g = groups; *g; g++) { + if (str_equiv(g, group)) { + ok = true; + /* Set canonical name. */ + memmove(group, g, _tcslen(g) * sizeof(TCHAR)); + break; + } + + while (*g) g++; + } + } + + if (ok) _sntprintf_s(dependency, _countof(dependency), _TRUNCATE, _T("%s"), s); + else { + HeapFree(GetProcessHeap(), 0, dependencies); + if (groups) HeapFree(GetProcessHeap(), 0, groups); + _ftprintf(stderr, _T("%s: %s"), s, error_string(ERROR_SERVICE_DEPENDENCY_DELETED)); + return 5; + } + } + else { + SC_HANDLE dependency_handle = open_service(services, s, SERVICE_QUERY_STATUS, dependency, _countof(dependency)); + if (! dependency_handle) { + HeapFree(GetProcessHeap(), 0, dependencies); + if (groups) HeapFree(GetProcessHeap(), 0, groups); + CloseServiceHandle(services); + _ftprintf(stderr, _T("%s: %s"), s, error_string(ERROR_SERVICE_DEPENDENCY_DELETED)); + return 5; + } + } + + size_t len = _tcslen(dependency) + 1; + memmove(dependencies + i, dependency, len * sizeof(TCHAR)); + i += len; + + while (*s) s++; + } + + if (groups) HeapFree(GetProcessHeap(), 0, groups); + CloseServiceHandle(services); + } + + if (! ChangeServiceConfig(service_handle, SERVICE_NO_CHANGE, SERVICE_NO_CHANGE, SERVICE_NO_CHANGE, 0, 0, 0, dependencies, 0, 0, 0)) { + if (num_dependencies) HeapFree(GetProcessHeap(), 0, dependencies); + print_message(stderr, NSSM_MESSAGE_CHANGESERVICECONFIG_FAILED, error_string(GetLastError())); + return -1; + } + + if (num_dependencies) HeapFree(GetProcessHeap(), 0, dependencies); + return 0; +} + +int get_service_dependencies(const TCHAR *service_name, SC_HANDLE service_handle, TCHAR **buffer, unsigned long *bufsize, int type) { + if (! buffer) return 1; + if (! bufsize) return 2; + + *buffer = 0; + *bufsize = 0; + + QUERY_SERVICE_CONFIG *qsc = query_service_config(service_name, service_handle); + if (! qsc) return 3; + + if (! qsc->lpDependencies) return 0; + if (! qsc->lpDependencies[0]) return 0; + + /* lpDependencies is doubly NULL terminated. */ + while (qsc->lpDependencies[*bufsize]) { + while (qsc->lpDependencies[*bufsize]) ++*bufsize; + ++*bufsize; + } + + *bufsize += 2; + + *buffer = (TCHAR *) HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, *bufsize * sizeof(TCHAR)); + if (! *buffer) { + *bufsize = 0; + print_message(stderr, NSSM_MESSAGE_OUT_OF_MEMORY, _T("lpDependencies"), _T("get_service_dependencies()")); + return 4; + } + + if (type == DEPENDENCY_ALL) memmove(*buffer, qsc->lpDependencies, *bufsize * sizeof(TCHAR)); + else { + TCHAR *s; + size_t i = 0; + *bufsize = 0; + for (s = qsc->lpDependencies; *s; s++) { + /* Only copy the appropriate type of dependency. */ + if ((*s == SC_GROUP_IDENTIFIER && type & DEPENDENCY_GROUPS) || (*s != SC_GROUP_IDENTIFIER && type & DEPENDENCY_SERVICES)) { + size_t len = _tcslen(s) + 1; + *bufsize += (unsigned long) len; + memmove(*buffer + i, s, len * sizeof(TCHAR)); + i += len; + } + + while (*s) s++; + } + ++*bufsize; + } + + HeapFree(GetProcessHeap(), 0, qsc); + + return 0; +} + +int get_service_dependencies(const TCHAR *service_name, SC_HANDLE service_handle, TCHAR **buffer, unsigned long *bufsize) { + return get_service_dependencies(service_name, service_handle, buffer, bufsize, DEPENDENCY_ALL); +} + int set_service_description(const TCHAR *service_name, SC_HANDLE service_handle, TCHAR *buffer) { SERVICE_DESCRIPTION description; ZeroMemory(&description, sizeof(description)); @@ -396,165 +652,20 @@ int get_service_username(const TCHAR *service_name, const QUERY_SERVICE_CONFIG * if (! qsc) return 1; - if (str_equiv(qsc->lpServiceStartName, NSSM_LOCALSYSTEM_ACCOUNT)) return 0; - - size_t len = _tcslen(qsc->lpServiceStartName); - *username = (TCHAR *) HeapAlloc(GetProcessHeap(), 0, (len + 1) * sizeof(TCHAR)); - if (! *username) { - print_message(stderr, NSSM_MESSAGE_OUT_OF_MEMORY, _T("username"), _T("get_service_username()")); - return 2; - } - - memmove(*username, qsc->lpServiceStartName, (len + 1) * sizeof(TCHAR)); - *usernamelen = len; - - return 0; -} - -int grant_logon_as_service(const TCHAR *username) { - if (! username) return 0; - if (str_equiv(username, NSSM_LOCALSYSTEM_ACCOUNT)) return 0; - - /* Open Policy object. */ - LSA_OBJECT_ATTRIBUTES attributes; - ZeroMemory(&attributes, sizeof(attributes)); - - LSA_HANDLE policy; - - NTSTATUS status = LsaOpenPolicy(0, &attributes, POLICY_ALL_ACCESS, &policy); - if (status) { - print_message(stderr, NSSM_MESSAGE_LSAOPENPOLICY_FAILED, error_string(LsaNtStatusToWinError(status))); - return 1; - } - - /* Look up SID for the account. */ - LSA_UNICODE_STRING lsa_username; -#ifdef UNICODE - lsa_username.Buffer = (wchar_t *) username; - lsa_username.Length = (unsigned short) _tcslen(username) * sizeof(TCHAR); - lsa_username.MaximumLength = lsa_username.Length + sizeof(TCHAR); -#else - size_t buflen; - mbstowcs_s(&buflen, NULL, 0, username, _TRUNCATE); - lsa_username.MaximumLength = (unsigned short) buflen * sizeof(wchar_t); - lsa_username.Length = lsa_username.MaximumLength - sizeof(wchar_t); - lsa_username.Buffer = (wchar_t *) HeapAlloc(GetProcessHeap(), 0, lsa_username.MaximumLength); - if (lsa_username.Buffer) mbstowcs_s(&buflen, lsa_username.Buffer, lsa_username.MaximumLength, username, _TRUNCATE); - else { - LsaClose(policy); - print_message(stderr, NSSM_MESSAGE_OUT_OF_MEMORY, _T("LSA_UNICODE_STRING"), _T("grant_logon_as_service()")); - return 2; - } -#endif - - LSA_REFERENCED_DOMAIN_LIST *translated_domains; - LSA_TRANSLATED_SID *translated_sid; - status = LsaLookupNames(policy, 1, &lsa_username, &translated_domains, &translated_sid); -#ifndef UNICODE - HeapFree(GetProcessHeap(), 0, lsa_username.Buffer); -#endif - if (status) { - LsaFreeMemory(translated_domains); - LsaFreeMemory(translated_sid); - LsaClose(policy); - print_message(stderr, NSSM_MESSAGE_LSALOOKUPNAMES_FAILED, username, error_string(LsaNtStatusToWinError(status))); - return 3; - } - - if (translated_sid->Use != SidTypeUser) { - LsaFreeMemory(translated_domains); - LsaFreeMemory(translated_sid); - LsaClose(policy); - print_message(stderr, NSSM_GUI_INVALID_USERNAME, username); - return 4; - } - - LSA_TRUST_INFORMATION *trust = &translated_domains->Domains[translated_sid->DomainIndex]; - if (! trust || ! IsValidSid(trust->Sid)) { - LsaFreeMemory(translated_domains); - LsaFreeMemory(translated_sid); - LsaClose(policy); - print_message(stderr, NSSM_GUI_INVALID_USERNAME, username); - return 4; - } - - /* GetSidSubAuthority*() return pointers! */ - unsigned char *n = GetSidSubAuthorityCount(trust->Sid); + if (qsc->lpServiceStartName[0]) { + if (is_localsystem(qsc->lpServiceStartName)) return 0; - /* Convert translated SID to SID. */ - SID *sid = (SID *) HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, GetSidLengthRequired(*n + 1)); - if (! sid) { - LsaFreeMemory(translated_domains); - LsaFreeMemory(translated_sid); - LsaClose(policy); - print_message(stderr, NSSM_MESSAGE_OUT_OF_MEMORY, _T("SID"), _T("grant_logon_as_service")); - return 4; - } - - unsigned long error; - if (! InitializeSid(sid, GetSidIdentifierAuthority(trust->Sid), *n + 1)) { - error = GetLastError(); - HeapFree(GetProcessHeap(), 0, sid); - LsaFreeMemory(translated_domains); - LsaFreeMemory(translated_sid); - LsaClose(policy); - print_message(stderr, NSSM_MESSAGE_INITIALIZESID_FAILED, username, error_string(error)); - return 5; - } - - for (unsigned char i = 0; i <= *n; i++) { - unsigned long *sub = GetSidSubAuthority(sid, i); - if (i < *n) *sub = *GetSidSubAuthority(trust->Sid, i); - else *sub = translated_sid->RelativeId; - } - - LsaFreeMemory(translated_domains); - LsaFreeMemory(translated_sid); - - /* Check if the SID has the "Log on as a service" right. */ - LSA_UNICODE_STRING lsa_right; - lsa_right.Buffer = NSSM_LOGON_AS_SERVICE_RIGHT; - lsa_right.Length = (unsigned short) wcslen(lsa_right.Buffer) * sizeof(wchar_t); - lsa_right.MaximumLength = lsa_right.Length + sizeof(wchar_t); - - LSA_UNICODE_STRING *rights; - unsigned long count = ~0; - status = LsaEnumerateAccountRights(policy, sid, &rights, &count); - if (status) { - /* - If the account has no rights set LsaEnumerateAccountRights() will return - STATUS_OBJECT_NAME_NOT_FOUND and set count to 0. - */ - error = LsaNtStatusToWinError(status); - if (error != ERROR_FILE_NOT_FOUND) { - HeapFree(GetProcessHeap(), 0, sid); - LsaClose(policy); - print_message(stderr, NSSM_MESSAGE_LSAENUMERATEACCOUNTRIGHTS_FAILED, username, error_string(error)); - return 4; + size_t len = _tcslen(qsc->lpServiceStartName); + *username = (TCHAR *) HeapAlloc(GetProcessHeap(), 0, (len + 1) * sizeof(TCHAR)); + if (! *username) { + print_message(stderr, NSSM_MESSAGE_OUT_OF_MEMORY, _T("username"), _T("get_service_username()")); + return 2; } - } - for (unsigned long i = 0; i < count; i++) { - if (rights[i].Length != lsa_right.Length) continue; - if (_wcsnicmp(rights[i].Buffer, lsa_right.Buffer, lsa_right.MaximumLength)) continue; - /* The SID has the right. */ - HeapFree(GetProcessHeap(), 0, sid); - LsaFreeMemory(rights); - LsaClose(policy); - return 0; - } - LsaFreeMemory(rights); - - /* Add the right. */ - status = LsaAddAccountRights(policy, sid, &lsa_right, 1); - HeapFree(GetProcessHeap(), 0, sid); - LsaClose(policy); - if (status) { - print_message(stderr, NSSM_MESSAGE_LSAADDACCOUNTRIGHTS_FAILED, error_string(LsaNtStatusToWinError(status))); - return 5; + memmove(*username, qsc->lpServiceStartName, (len + 1) * sizeof(TCHAR)); + *usernamelen = len; } - print_message(stdout, NSSM_MESSAGE_GRANTED_LOGON_AS_SERVICE, username); return 0; } @@ -578,6 +689,7 @@ void set_nssm_service_defaults(nssm_service_t *service) { service->kill_console_delay = NSSM_KILL_CONSOLE_GRACE_PERIOD; service->kill_window_delay = NSSM_KILL_WINDOW_GRACE_PERIOD; service->kill_threads_delay = NSSM_KILL_THREADS_GRACE_PERIOD; + service->kill_process_tree = 1; } /* Allocate and zero memory for a service. */ @@ -595,13 +707,15 @@ void cleanup_nssm_service(nssm_service_t *service) { SecureZeroMemory(service->password, service->passwordlen); HeapFree(GetProcessHeap(), 0, service->password); } + if (service->dependencies) HeapFree(GetProcessHeap(), 0, service->dependencies); if (service->env) HeapFree(GetProcessHeap(), 0, service->env); if (service->env_extra) HeapFree(GetProcessHeap(), 0, service->env_extra); if (service->handle) CloseServiceHandle(service->handle); if (service->process_handle) CloseHandle(service->process_handle); - if (service->wait_handle) UnregisterWait(service->process_handle); + if (service->wait_handle) UnregisterWait(service->wait_handle); if (service->throttle_section_initialised) DeleteCriticalSection(&service->throttle_section); if (service->throttle_timer) CloseHandle(service->throttle_timer); + if (service->initial_env) FreeEnvironmentStrings(service->initial_env); HeapFree(GetProcessHeap(), 0, service); } @@ -701,28 +815,40 @@ int pre_edit_service(int argc, TCHAR **argv) { for (i = 0; settings[i].name; i++) _ftprintf(stderr, _T("%s\n"), settings[i].name); return 1; } - if (argc < mandatory) return usage(1); additional = 0; if (additional_mandatory) { + if (argc < mandatory) { + print_message(stderr, NSSM_MESSAGE_MISSING_SUBPARAMETER, parameter); + return 1; + } + additional = argv[3]; + remainder = 4; + } + else if (str_equiv(setting->name, NSSM_NATIVE_OBJECTNAME) && mode == MODE_SETTING) { additional = argv[3]; remainder = 4; } - else additional = argv[remainder]; + else { + additional = argv[remainder]; + if (argc < mandatory) return usage(1); + } } nssm_service_t *service = alloc_nssm_service(); _sntprintf_s(service->name, _countof(service->name), _TRUNCATE, _T("%s"), service_name); /* Open service manager */ - SC_HANDLE services = open_service_manager(); + SC_HANDLE services = open_service_manager(SC_MANAGER_CONNECT | SC_MANAGER_ENUMERATE_SERVICE); if (! services) { print_message(stderr, NSSM_MESSAGE_OPEN_SERVICE_MANAGER_FAILED); return 2; } /* Try to open the service */ - service->handle = open_service(services, service->name, service->name, _countof(service->name)); + unsigned long access = SERVICE_QUERY_CONFIG; + if (mode != MODE_GETTING) access |= SERVICE_CHANGE_CONFIG; + service->handle = open_service(services, service->name, access, service->name, _countof(service->name)); if (! service->handle) { CloseServiceHandle(services); return 3; @@ -731,7 +857,7 @@ int pre_edit_service(int argc, TCHAR **argv) { /* Get system details. */ QUERY_SERVICE_CONFIG *qsc = query_service_config(service->name, service->handle); if (! qsc) { - CloseHandle(service->handle); + CloseServiceHandle(service->handle); CloseServiceHandle(services); return 4; } @@ -740,7 +866,7 @@ int pre_edit_service(int argc, TCHAR **argv) { if (! (service->type & SERVICE_WIN32_OWN_PROCESS)) { if (mode != MODE_GETTING) { HeapFree(GetProcessHeap(), 0, qsc); - CloseHandle(service->handle); + CloseServiceHandle(service->handle); CloseServiceHandle(services); print_message(stderr, NSSM_MESSAGE_CANNOT_EDIT, service->name, NSSM_WIN32_OWN_PROCESS, 0); return 3; @@ -750,7 +876,7 @@ int pre_edit_service(int argc, TCHAR **argv) { if (get_service_startup(service->name, service->handle, qsc, &service->startup)) { if (mode != MODE_GETTING) { HeapFree(GetProcessHeap(), 0, qsc); - CloseHandle(service->handle); + CloseServiceHandle(service->handle); CloseServiceHandle(services); return 4; } @@ -759,7 +885,7 @@ int pre_edit_service(int argc, TCHAR **argv) { if (get_service_username(service->name, qsc, &service->username, &service->usernamelen)) { if (mode != MODE_GETTING) { HeapFree(GetProcessHeap(), 0, qsc); - CloseHandle(service->handle); + CloseServiceHandle(service->handle); CloseServiceHandle(services); return 5; } @@ -778,12 +904,20 @@ int pre_edit_service(int argc, TCHAR **argv) { /* Get extended system details. */ if (get_service_description(service->name, service->handle, _countof(service->description), service->description)) { if (mode != MODE_GETTING) { - CloseHandle(service->handle); + CloseServiceHandle(service->handle); CloseServiceHandle(services); return 6; } } + if (get_service_dependencies(service->name, service->handle, &service->dependencies, &service->dependencieslen)) { + if (mode != MODE_GETTING) { + CloseServiceHandle(service->handle); + CloseServiceHandle(services); + return 7; + } + } + /* Get NSSM details. */ get_parameters(service, 0); @@ -802,7 +936,7 @@ int pre_edit_service(int argc, TCHAR **argv) { /* Trying to manage App* parameters for a non-NSSM service. */ if (! setting->native && service->native) { - CloseHandle(service->handle); + CloseServiceHandle(service->handle); print_message(stderr, NSSM_MESSAGE_NATIVE_PARAMETER, setting->name, NSSM); return 1; } @@ -820,7 +954,7 @@ int pre_edit_service(int argc, TCHAR **argv) { if (setting->native) ret = get_setting(service->name, service->handle, setting, &value, additional); else ret = get_setting(service->name, key, setting, &value, additional); if (ret < 0) { - CloseHandle(service->handle); + CloseServiceHandle(service->handle); return 5; } @@ -838,7 +972,7 @@ int pre_edit_service(int argc, TCHAR **argv) { } if (! service->native) RegCloseKey(key); - CloseHandle(service->handle); + CloseServiceHandle(service->handle); return 0; } @@ -847,6 +981,9 @@ int pre_edit_service(int argc, TCHAR **argv) { /* Unset the parameter. */ value.string = 0; } + else if (remainder == argc) { + value.string = 0; + } else { /* Set the parameter. */ size_t len = 0; @@ -857,7 +994,7 @@ int pre_edit_service(int argc, TCHAR **argv) { value.string = (TCHAR *) HeapAlloc(GetProcessHeap(), 0, len * sizeof(TCHAR)); if (! value.string) { print_message(stderr, NSSM_MESSAGE_OUT_OF_MEMORY, _T("value"), _T("edit_service()")); - CloseHandle(service->handle); + CloseServiceHandle(service->handle); return 2; } @@ -890,12 +1027,12 @@ int pre_edit_service(int argc, TCHAR **argv) { if (value.string) HeapFree(GetProcessHeap(), 0, value.string); if (ret < 0) { if (! service->native) RegCloseKey(key); - CloseHandle(service->handle); + CloseServiceHandle(service->handle); return 6; } if (! service->native) RegCloseKey(key); - CloseHandle(service->handle); + CloseServiceHandle(service->handle); return 0; } @@ -922,7 +1059,7 @@ int install_service(nssm_service_t *service) { if (! service) return 1; /* Open service manager */ - SC_HANDLE services = open_service_manager(); + SC_HANDLE services = open_service_manager(SC_MANAGER_CONNECT | SC_MANAGER_CREATE_SERVICE); if (! services) { print_message(stderr, NSSM_MESSAGE_OPEN_SERVICE_MANAGER_FAILED); cleanup_nssm_service(service); @@ -983,23 +1120,37 @@ int edit_service(nssm_service_t *service, bool editing) { Empty passwords are valid but we won't allow them in the GUI. */ TCHAR *username = 0; + TCHAR *canon = 0; TCHAR *password = 0; if (service->usernamelen) { username = service->username; + if (canonicalise_username(username, &canon)) return 5; if (service->passwordlen) password = service->password; - else password = _T(""); } - else if (editing) username = NSSM_LOCALSYSTEM_ACCOUNT; + else if (editing) username = canon = NSSM_LOCALSYSTEM_ACCOUNT; - if (grant_logon_as_service(username)) { - print_message(stderr, NSSM_MESSAGE_GRANT_LOGON_AS_SERVICE_FAILED, username); - return 5; + if (well_known_username(canon)) password = _T(""); + else { + if (grant_logon_as_service(canon)) { + if (canon != username) HeapFree(GetProcessHeap(), 0, canon); + print_message(stderr, NSSM_MESSAGE_GRANT_LOGON_AS_SERVICE_FAILED, username); + return 5; + } } - if (! ChangeServiceConfig(service->handle, service->type, startup, SERVICE_NO_CHANGE, 0, 0, 0, 0, username, password, service->displayname)) { + TCHAR *dependencies = _T(""); + if (service->dependencieslen) dependencies = 0; /* Change later. */ + + if (! ChangeServiceConfig(service->handle, service->type, startup, SERVICE_NO_CHANGE, 0, 0, 0, dependencies, canon, password, service->displayname)) { + if (canon != username) HeapFree(GetProcessHeap(), 0, canon); print_message(stderr, NSSM_MESSAGE_CHANGESERVICECONFIG_FAILED, error_string(GetLastError())); return 5; } + if (canon != username) HeapFree(GetProcessHeap(), 0, canon); + + if (service->dependencieslen) { + if (set_service_dependencies(service->name, service->handle, service->dependencies)) return 5; + } if (service->description[0] || editing) { set_service_description(service->name, service->handle, service->description); @@ -1038,13 +1189,33 @@ int control_service(unsigned long control, int argc, TCHAR **argv) { TCHAR *service_name = argv[0]; TCHAR canonical_name[SERVICE_NAME_LENGTH]; - SC_HANDLE services = open_service_manager(); + SC_HANDLE services = open_service_manager(SC_MANAGER_CONNECT | SC_MANAGER_ENUMERATE_SERVICE); if (! services) { print_message(stderr, NSSM_MESSAGE_OPEN_SERVICE_MANAGER_FAILED); return 2; } - SC_HANDLE service_handle = open_service(services, service_name, canonical_name, _countof(canonical_name)); + unsigned long access = SERVICE_QUERY_STATUS; + switch (control) { + case NSSM_SERVICE_CONTROL_START: + access |= SERVICE_START; + break; + + case SERVICE_CONTROL_CONTINUE: + case SERVICE_CONTROL_PAUSE: + access |= SERVICE_PAUSE_CONTINUE; + break; + + case SERVICE_CONTROL_STOP: + access |= SERVICE_STOP; + break; + + case NSSM_SERVICE_CONTROL_ROTATE: + access |= SERVICE_USER_DEFINED_CONTROL; + break; + } + + SC_HANDLE service_handle = open_service(services, service_name, access, canonical_name, _countof(canonical_name)); if (! service_handle) { CloseServiceHandle(services); return 3; @@ -1053,33 +1224,36 @@ int control_service(unsigned long control, int argc, TCHAR **argv) { int ret; unsigned long error; SERVICE_STATUS service_status; - if (control == 0) { + if (control == NSSM_SERVICE_CONTROL_START) { + unsigned long initial_status = SERVICE_STOPPED; ret = StartService(service_handle, (unsigned long) argc, (const TCHAR **) argv); error = GetLastError(); - CloseHandle(service_handle); CloseServiceHandle(services); if (error == ERROR_IO_PENDING) { /* Older versions of Windows return immediately with ERROR_IO_PENDING indicate that the operation is still in progress. Newer versions - will return it if there really is a delay. As far as we're - concerned the operation is a success. We don't claim to offer a - fully-feature service control method; it's just a quick 'n' dirty - interface. - - In the future we may identify and handle this situation properly. + will return it if there really is a delay. */ ret = 1; error = ERROR_SUCCESS; } if (ret) { - _tprintf(_T("%s: %s"), canonical_name, error_string(error)); + int response = await_service_control_response(control, service_handle, &service_status, initial_status); + CloseServiceHandle(service_handle); + + if (response) { + print_message(stderr, NSSM_MESSAGE_BAD_CONTROL_RESPONSE, canonical_name, service_status_text(service_status.dwCurrentState), service_control_text(control)); + return 1; + } + else _tprintf(_T("%s: %s: %s"), canonical_name, service_control_text(control), error_string(error)); return 0; } else { - _ftprintf(stderr, _T("%s: %s"), canonical_name, error_string(error)); + CloseServiceHandle(service_handle); + _ftprintf(stderr, _T("%s: %s: %s"), canonical_name, service_control_text(control), error_string(error)); return 1; } } @@ -1093,16 +1267,7 @@ int control_service(unsigned long control, int argc, TCHAR **argv) { error = GetLastError(); if (ret) { - switch (service_status.dwCurrentState) { - case SERVICE_STOPPED: _tprintf(_T("SERVICE_STOPPED\n")); break; - case SERVICE_START_PENDING: _tprintf(_T("SERVICE_START_PENDING\n")); break; - case SERVICE_STOP_PENDING: _tprintf(_T("SERVICE_STOP_PENDING\n")); break; - case SERVICE_RUNNING: _tprintf(_T("SERVICE_RUNNING\n")); break; - case SERVICE_CONTINUE_PENDING: _tprintf(_T("SERVICE_CONTINUE_PENDING\n")); break; - case SERVICE_PAUSE_PENDING: _tprintf(_T("SERVICE_PAUSE_PENDING\n")); break; - case SERVICE_PAUSED: _tprintf(_T("SERVICE_PAUSED\n")); break; - default: _tprintf(_T("?\n")); return 1; - } + _tprintf(_T("%s\n"), service_status_text(service_status.dwCurrentState)); return 0; } else { @@ -1112,8 +1277,8 @@ int control_service(unsigned long control, int argc, TCHAR **argv) { } else { ret = ControlService(service_handle, control, &service_status); + unsigned long initial_status = service_status.dwCurrentState; error = GetLastError(); - CloseHandle(service_handle); CloseServiceHandle(services); if (error == ERROR_IO_PENDING) { @@ -1122,11 +1287,22 @@ int control_service(unsigned long control, int argc, TCHAR **argv) { } if (ret) { - _tprintf(_T("%s: %s"), canonical_name, error_string(error)); + int response = await_service_control_response(control, service_handle, &service_status, initial_status); + CloseServiceHandle(service_handle); + + if (response) { + print_message(stderr, NSSM_MESSAGE_BAD_CONTROL_RESPONSE, canonical_name, service_status_text(service_status.dwCurrentState), service_control_text(control)); + return 1; + } + else _tprintf(_T("%s: %s: %s"), canonical_name, service_control_text(control), error_string(error)); return 0; } else { - _ftprintf(stderr, _T("%s: %s"), canonical_name, error_string(error)); + CloseServiceHandle(service_handle); + _ftprintf(stderr, _T("%s: %s: %s"), canonical_name, service_control_text(control), error_string(error)); + if (error == ERROR_SERVICE_NOT_ACTIVE) { + if (control == SERVICE_CONTROL_SHUTDOWN || control == SERVICE_CONTROL_STOP) return 0; + } return 1; } } @@ -1137,14 +1313,14 @@ int remove_service(nssm_service_t *service) { if (! service) return 1; /* Open service manager */ - SC_HANDLE services = open_service_manager(); + SC_HANDLE services = open_service_manager(SC_MANAGER_CONNECT | SC_MANAGER_ENUMERATE_SERVICE); if (! services) { print_message(stderr, NSSM_MESSAGE_OPEN_SERVICE_MANAGER_FAILED); return 2; } /* Try to open the service */ - service->handle = open_service(services, service->name, service->name, _countof(service->name)); + service->handle = open_service(services, service->name, DELETE, service->name, _countof(service->name)); if (! service->handle) { CloseServiceHandle(services); return 3; @@ -1187,7 +1363,7 @@ void WINAPI service_main(unsigned long argc, TCHAR **argv) { /* Initialise status */ ZeroMemory(&service->status, sizeof(service->status)); service->status.dwServiceType = SERVICE_WIN32_OWN_PROCESS | SERVICE_INTERACTIVE_PROCESS; - service->status.dwControlsAccepted = SERVICE_ACCEPT_SHUTDOWN | SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_PAUSE_CONTINUE; + service->status.dwControlsAccepted = SERVICE_ACCEPT_POWEREVENT | SERVICE_ACCEPT_SHUTDOWN | SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_PAUSE_CONTINUE; service->status.dwWin32ExitCode = NO_ERROR; service->status.dwServiceSpecificExitCode = 0; service->status.dwCheckPoint = 0; @@ -1214,9 +1390,9 @@ void WINAPI service_main(unsigned long argc, TCHAR **argv) { /* Try to create the exit action parameters; we don't care if it fails */ create_exit_action(service->name, exit_action_strings[0], false); - SC_HANDLE services = open_service_manager(); + SC_HANDLE services = open_service_manager(SC_MANAGER_CONNECT); if (services) { - service->handle = OpenService(services, service->name, SC_MANAGER_ALL_ACCESS); + service->handle = open_service(services, service->name, SERVICE_CHANGE_CONFIG, 0, 0); set_service_recovery(service); CloseServiceHandle(services); } @@ -1234,6 +1410,9 @@ void WINAPI service_main(unsigned long argc, TCHAR **argv) { } } + /* Remember our initial environment. */ + service->initial_env = GetEnvironmentStrings(); + monitor_service(service); } @@ -1275,13 +1454,27 @@ int monitor_service(nssm_service_t *service) { TCHAR *service_control_text(unsigned long control) { switch (control) { /* HACK: there is no SERVICE_CONTROL_START constant */ - case 0: return _T("START"); + case NSSM_SERVICE_CONTROL_START: return _T("START"); case SERVICE_CONTROL_STOP: return _T("STOP"); case SERVICE_CONTROL_SHUTDOWN: return _T("SHUTDOWN"); case SERVICE_CONTROL_PAUSE: return _T("PAUSE"); case SERVICE_CONTROL_CONTINUE: return _T("CONTINUE"); case SERVICE_CONTROL_INTERROGATE: return _T("INTERROGATE"); case NSSM_SERVICE_CONTROL_ROTATE: return _T("ROTATE"); + case SERVICE_CONTROL_POWEREVENT: return _T("POWEREVENT"); + default: return 0; + } +} + +TCHAR *service_status_text(unsigned long status) { + switch (status) { + case SERVICE_STOPPED: return _T("SERVICE_STOPPED"); + case SERVICE_START_PENDING: return _T("SERVICE_START_PENDING"); + case SERVICE_STOP_PENDING: return _T("SERVICE_STOP_PENDING"); + case SERVICE_RUNNING: return _T("SERVICE_RUNNING"); + case SERVICE_CONTINUE_PENDING: return _T("SERVICE_CONTINUE_PENDING"); + case SERVICE_PAUSE_PENDING: return _T("SERVICE_PAUSE_PENDING"); + case SERVICE_PAUSED: return _T("SERVICE_PAUSED"); default: return 0; } } @@ -1356,7 +1549,8 @@ unsigned long WINAPI service_control_handler(unsigned long control, unsigned lon ZeroMemory(&service->throttle_duetime, sizeof(service->throttle_duetime)); SetWaitableTimer(service->throttle_timer, &service->throttle_duetime, 0, 0, 0, 0); } - service->status.dwCurrentState = SERVICE_CONTINUE_PENDING; + /* We can't continue if the application is running! */ + if (! service->process_handle) service->status.dwCurrentState = SERVICE_CONTINUE_PENDING; service->status.dwWaitHint = throttle_milliseconds(service->throttle) + NSSM_WAITHINT_MARGIN; log_event(EVENTLOG_INFORMATION_TYPE, NSSM_EVENT_RESET_THROTTLE, service->name, 0); SetServiceStatus(service->status_handle, &service->status); @@ -1372,8 +1566,17 @@ unsigned long WINAPI service_control_handler(unsigned long control, unsigned lon case NSSM_SERVICE_CONTROL_ROTATE: log_service_control(service->name, control, true); - if (service->rotate_stdout_online) service->rotate_stdout_online = NSSM_ROTATE_ONLINE_ASAP; - if (service->rotate_stdout_online) service->rotate_stderr_online = NSSM_ROTATE_ONLINE_ASAP; + if (service->rotate_stdout_online == NSSM_ROTATE_ONLINE) service->rotate_stdout_online = NSSM_ROTATE_ONLINE_ASAP; + if (service->rotate_stderr_online == NSSM_ROTATE_ONLINE) service->rotate_stderr_online = NSSM_ROTATE_ONLINE_ASAP; + return NO_ERROR; + + case SERVICE_CONTROL_POWEREVENT: + if (event != PBT_APMRESUMEAUTOMATIC) { + log_service_control(service->name, control, false); + return NO_ERROR; + } + log_service_control(service->name, control, true); + end_service((void *) service, false); return NO_ERROR; } @@ -1409,28 +1612,33 @@ int start_service(nssm_service_t *service) { TCHAR cmd[CMD_LENGTH]; if (_sntprintf_s(cmd, _countof(cmd), _TRUNCATE, _T("\"%s\" %s"), service->exe, service->flags) < 0) { log_event(EVENTLOG_ERROR_TYPE, NSSM_EVENT_OUT_OF_MEMORY, _T("command line"), _T("start_service"), 0); - close_output_handles(&si); return stop_service(service, 2, true, true); } throttle_restart(service); + /* Set the environment. */ + if (service->env) duplicate_environment(service->env); + if (service->env_extra) set_environment_block(service->env_extra); + + /* Set up I/O redirection. */ + if (get_output_handles(service, &si)) { + log_event(EVENTLOG_ERROR_TYPE, NSSM_EVENT_GET_OUTPUT_HANDLES_FAILED, service->name, 0); + if (! service->no_console) FreeConsole(); + close_output_handles(&si); + return stop_service(service, 4, true, true); + } + bool inherit_handles = false; if (si.dwFlags & STARTF_USESTDHANDLES) inherit_handles = true; unsigned long flags = service->priority & priority_mask(); if (service->affinity) flags |= CREATE_SUSPENDED; -#ifdef UNICODE - flags |= CREATE_UNICODE_ENVIRONMENT; -#endif - if (! CreateProcess(0, cmd, 0, 0, inherit_handles, flags, service->env, service->dir, &si, &pi)) { + if (! CreateProcess(0, cmd, 0, 0, inherit_handles, flags, 0, service->dir, &si, &pi)) { unsigned long exitcode = 3; unsigned long error = GetLastError(); - if (error == ERROR_INVALID_PARAMETER && service->env) { - log_event(EVENTLOG_ERROR_TYPE, NSSM_EVENT_CREATEPROCESS_FAILED_INVALID_ENVIRONMENT, service->name, service->exe, NSSM_REG_ENV, 0); - if (test_environment(service->env)) exitcode = 4; - } - else log_event(EVENTLOG_ERROR_TYPE, NSSM_EVENT_CREATEPROCESS_FAILED, service->name, service->exe, error_string(error), 0); + log_event(EVENTLOG_ERROR_TYPE, NSSM_EVENT_CREATEPROCESS_FAILED, service->name, service->exe, error_string(error), 0); close_output_handles(&si); + duplicate_environment_strings(service->initial_env); return stop_service(service, exitcode, true, true); } service->process_handle = pi.hProcess; @@ -1438,7 +1646,12 @@ int start_service(nssm_service_t *service) { if (get_process_creation_time(service->process_handle, &service->creation_time)) ZeroMemory(&service->creation_time, sizeof(service->creation_time)); - close_output_handles(&si, ! service->rotate_stdout_online, ! service->rotate_stderr_online); + close_output_handles(&si); + + if (! service->no_console) FreeConsole(); + + /* Restore our environment. */ + duplicate_environment_strings(service->initial_env); if (service->affinity) { /* @@ -1511,6 +1724,8 @@ int stop_service(nssm_service_t *service, unsigned long exitcode, bool graceful, service->wait_handle = 0; } + service->rotate_stdout_online = service->rotate_stderr_online = NSSM_ROTATE_OFFLINE; + if (default_action && ! exitcode && ! graceful) { log_event(EVENTLOG_INFORMATION_TYPE, NSSM_EVENT_GRACEFUL_SUICIDE, service->name, service->exe, exit_action_strings[NSSM_EXIT_UNCLEAN], exit_action_strings[NSSM_EXIT_UNCLEAN], exit_action_strings[NSSM_EXIT_UNCLEAN], exit_action_strings[NSSM_EXIT_REALLY], 0); graceful = true; @@ -1558,15 +1773,20 @@ void CALLBACK end_service(void *arg, unsigned char why) { service->stopping = true; + service->rotate_stdout_online = service->rotate_stderr_online = NSSM_ROTATE_OFFLINE; + + /* Use now as a dummy exit time. */ + GetSystemTimeAsFileTime(&service->exit_time); + /* Check exit code */ unsigned long exitcode = 0; TCHAR code[16]; if (service->process_handle) { GetExitCodeProcess(service->process_handle, &exitcode); - if (exitcode == STILL_ACTIVE || get_process_exit_time(service->process_handle, &service->exit_time)) GetSystemTimeAsFileTime(&service->exit_time); + /* Check real exit time. */ + if (exitcode != STILL_ACTIVE) get_process_exit_time(service->process_handle, &service->exit_time); CloseHandle(service->process_handle); } - else GetSystemTimeAsFileTime(&service->exit_time); service->process_handle = 0; @@ -1581,7 +1801,7 @@ void CALLBACK end_service(void *arg, unsigned char why) { /* Clean up. */ if (exitcode == STILL_ACTIVE) exitcode = 0; - if (service->pid) kill_process_tree(service, service->pid, exitcode, service->pid); + if (service->pid && service->kill_process_tree) kill_process_tree(service, service->pid, exitcode, service->pid); service->pid = 0; /*