3 int create_messages() {
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6 char registry[KEY_LENGTH];
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7 if (_snprintf(registry, sizeof(registry), "SYSTEM\\CurrentControlSet\\Services\\EventLog\\Application\\%s", NSSM) < 0) {
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8 log_event(EVENTLOG_ERROR_TYPE, NSSM_EVENT_OUT_OF_MEMORY, "eventlog registry", "create_messages()", 0);
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12 if (RegCreateKeyEx(HKEY_LOCAL_MACHINE, registry, 0, 0, REG_OPTION_NON_VOLATILE, KEY_WRITE, 0, &key, 0) != ERROR_SUCCESS) {
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13 log_event(EVENTLOG_ERROR_TYPE, NSSM_EVENT_OPENKEY_FAILED, registry, error_string(GetLastError()), 0);
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17 /* Get path of this program */
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18 char path[MAX_PATH];
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19 GetModuleFileName(0, path, MAX_PATH);
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21 /* Try to register the module but don't worry so much on failure */
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22 RegSetValueEx(key, "EventMessageFile", 0, REG_SZ, (const unsigned char *) path, strlen(path) + 1);
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23 unsigned long types = EVENTLOG_INFORMATION_TYPE | EVENTLOG_WARNING_TYPE | EVENTLOG_ERROR_TYPE;
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24 RegSetValueEx(key, "TypesSupported", 0, REG_DWORD, /*XXX*/(PBYTE) &types, sizeof(types));
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29 int create_parameters(char *service_name, char *exe, char *flags, char *dir) {
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31 char registry[KEY_LENGTH];
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32 if (_snprintf(registry, sizeof(registry), NSSM_REGISTRY, service_name) < 0) {
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33 log_event(EVENTLOG_ERROR_TYPE, NSSM_EVENT_OUT_OF_MEMORY, "NSSM_REGISTRY", "create_parameters()", 0);
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37 /* Try to open the registry */
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39 if (RegCreateKeyEx(HKEY_LOCAL_MACHINE, registry, 0, 0, REG_OPTION_NON_VOLATILE, KEY_WRITE, 0, &key, 0) != ERROR_SUCCESS) {
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40 log_event(EVENTLOG_ERROR_TYPE, NSSM_EVENT_OPENKEY_FAILED, registry, error_string(GetLastError()), 0);
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44 /* Try to create the parameters */
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45 if (RegSetValueEx(key, NSSM_REG_EXE, 0, REG_EXPAND_SZ, (const unsigned char *) exe, strlen(exe) + 1) != ERROR_SUCCESS) {
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46 log_event(EVENTLOG_ERROR_TYPE, NSSM_EVENT_SETVALUE_FAILED, NSSM_REG_EXE, error_string(GetLastError()), 0);
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47 RegDeleteKey(HKEY_LOCAL_MACHINE, NSSM_REGISTRY);
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51 if (RegSetValueEx(key, NSSM_REG_FLAGS, 0, REG_EXPAND_SZ, (const unsigned char *) flags, strlen(flags) + 1) != ERROR_SUCCESS) {
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52 log_event(EVENTLOG_ERROR_TYPE, NSSM_EVENT_SETVALUE_FAILED, NSSM_REG_FLAGS, error_string(GetLastError()), 0);
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53 RegDeleteKey(HKEY_LOCAL_MACHINE, NSSM_REGISTRY);
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57 if (RegSetValueEx(key, NSSM_REG_DIR, 0, REG_EXPAND_SZ, (const unsigned char *) dir, strlen(dir) + 1) != ERROR_SUCCESS) {
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58 log_event(EVENTLOG_ERROR_TYPE, NSSM_EVENT_SETVALUE_FAILED, NSSM_REG_DIR, error_string(GetLastError()), 0);
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59 RegDeleteKey(HKEY_LOCAL_MACHINE, NSSM_REGISTRY);
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64 /* Close registry */
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70 int create_exit_action(char *service_name, const char *action_string) {
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72 char registry[KEY_LENGTH];
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73 if (_snprintf(registry, sizeof(registry), NSSM_REGISTRY "\\%s", service_name, NSSM_REG_EXIT) < 0) {
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74 log_event(EVENTLOG_ERROR_TYPE, NSSM_EVENT_OUT_OF_MEMORY, "NSSM_REG_EXIT", "create_exit_action()", 0);
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78 /* Try to open the registry */
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80 unsigned long disposition;
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81 if (RegCreateKeyEx(HKEY_LOCAL_MACHINE, registry, 0, 0, REG_OPTION_NON_VOLATILE, KEY_WRITE, 0, &key, &disposition) != ERROR_SUCCESS) {
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82 log_event(EVENTLOG_ERROR_TYPE, NSSM_EVENT_OPENKEY_FAILED, registry, error_string(GetLastError()), 0);
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86 /* Do nothing if the key already existed */
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87 if (disposition == REG_OPENED_EXISTING_KEY) {
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92 /* Create the default value */
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93 if (RegSetValueEx(key, 0, 0, REG_SZ, (const unsigned char *) action_string, strlen(action_string) + 1) != ERROR_SUCCESS) {
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94 log_event(EVENTLOG_ERROR_TYPE, NSSM_EVENT_SETVALUE_FAILED, NSSM_REG_EXIT, error_string(GetLastError()), 0);
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99 /* Close registry */
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105 int set_environment(char *service_name, HKEY key, char **env) {
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106 unsigned long type = REG_MULTI_SZ;
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107 unsigned long envlen = 0;
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109 /* Dummy test to find buffer size */
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110 unsigned long ret = RegQueryValueEx(key, NSSM_REG_ENV, 0, &type, NULL, &envlen);
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111 if (ret != ERROR_SUCCESS) {
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112 /* The service probably doesn't have any environment configured */
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113 if (ret == ERROR_FILE_NOT_FOUND) return 0;
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114 log_event(EVENTLOG_ERROR_TYPE, NSSM_EVENT_QUERYVALUE_FAILED, NSSM_REG_ENV, error_string(GetLastError()), 0);
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118 if (type != REG_MULTI_SZ) {
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119 log_event(EVENTLOG_WARNING_TYPE, NSSM_EVENT_INVALID_ENVIRONMENT_STRING_TYPE, NSSM_REG_ENV, service_name, 0);
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123 /* Probably not possible */
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124 if (! envlen) return 0;
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126 *env = (char *) HeapAlloc(GetProcessHeap(), 0, envlen);
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128 log_event(EVENTLOG_ERROR_TYPE, NSSM_EVENT_OUT_OF_MEMORY, "environment registry", "set_environment()", 0);
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132 /* Actually get the strings */
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133 ret = RegQueryValueEx(key, NSSM_REG_ENV, 0, &type, (unsigned char *) *env, &envlen);
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134 if (ret != ERROR_SUCCESS) {
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135 HeapFree(GetProcessHeap(), 0, *env);
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137 log_event(EVENTLOG_ERROR_TYPE, NSSM_EVENT_QUERYVALUE_FAILED, NSSM_REG_ENV, error_string(GetLastError()), 0);
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144 int expand_parameter(HKEY key, char *value, char *data, unsigned long datalen, bool sanitise) {
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145 unsigned char *buffer = (unsigned char *) HeapAlloc(GetProcessHeap(), 0, datalen);
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147 log_event(EVENTLOG_ERROR_TYPE, NSSM_EVENT_OUT_OF_MEMORY, value, "expand_parameter()", 0);
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151 unsigned long type = REG_EXPAND_SZ;
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152 unsigned long buflen = datalen;
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154 unsigned long ret = RegQueryValueEx(key, value, 0, &type, buffer, &buflen);
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155 if (ret != ERROR_SUCCESS) {
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156 if (ret != ERROR_FILE_NOT_FOUND) log_event(EVENTLOG_ERROR_TYPE, NSSM_EVENT_QUERYVALUE_FAILED, value, error_string(GetLastError()), 0);
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157 HeapFree(GetProcessHeap(), 0, buffer);
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161 /* Paths aren't allowed to contain quotes. */
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162 if (sanitise) PathUnquoteSpaces((LPSTR) buffer);
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164 ZeroMemory(data, datalen);
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166 /* Technically we shouldn't expand environment strings from REG_SZ values */
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167 if (type != REG_EXPAND_SZ) {
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168 memmove(data, buffer, buflen);
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169 HeapFree(GetProcessHeap(), 0, buffer);
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173 ret = ExpandEnvironmentStrings((char *) buffer, data, datalen);
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174 if (! ret || ret > datalen) {
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175 log_event(EVENTLOG_ERROR_TYPE, NSSM_EVENT_EXPANDENVIRONMENTSTRINGS_FAILED, buffer, error_string(GetLastError()), 0);
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176 HeapFree(GetProcessHeap(), 0, buffer);
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180 HeapFree(GetProcessHeap(), 0, buffer);
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184 int get_parameters(char *service_name, char *exe, int exelen, char *flags, int flagslen, char *dir, int dirlen, char **env, unsigned long *throttle_delay) {
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188 char registry[KEY_LENGTH];
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189 if (_snprintf(registry, sizeof(registry), NSSM_REGISTRY, service_name) < 0) {
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190 log_event(EVENTLOG_ERROR_TYPE, NSSM_EVENT_OUT_OF_MEMORY, "NSSM_REGISTRY", "get_parameters()", 0);
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194 /* Try to open the registry */
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196 if (RegOpenKeyEx(HKEY_LOCAL_MACHINE, registry, 0, KEY_READ, &key) != ERROR_SUCCESS) {
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197 log_event(EVENTLOG_ERROR_TYPE, NSSM_EVENT_OPENKEY_FAILED, registry, error_string(GetLastError()), 0);
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201 /* Try to get executable file - MUST succeed */
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202 if (expand_parameter(key, NSSM_REG_EXE, exe, exelen, false)) {
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207 /* Try to get flags - may fail and we don't care */
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208 if (expand_parameter(key, NSSM_REG_FLAGS, flags, flagslen, false)) {
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209 log_event(EVENTLOG_WARNING_TYPE, NSSM_EVENT_NO_FLAGS, NSSM_REG_FLAGS, service_name, exe, 0);
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210 ZeroMemory(flags, flagslen);
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213 /* Try to get startup directory - may fail and we fall back to a default */
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214 if (expand_parameter(key, NSSM_REG_DIR, dir, dirlen, true) || ! dir[0]) {
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215 /* Our buffers are defined to be long enough for this to be safe */
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217 for (i = strlen(exe); i && exe[i] != '\\' && exe[i] != '/'; i--);
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219 memmove(dir, exe, i);
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224 ret = GetWindowsDirectory(dir, dirlen);
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225 if (! ret || ret > dirlen) {
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226 log_event(EVENTLOG_ERROR_TYPE, NSSM_EVENT_NO_DIR_AND_NO_FALLBACK, NSSM_REG_DIR, service_name, 0);
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231 log_event(EVENTLOG_WARNING_TYPE, NSSM_EVENT_NO_DIR, NSSM_REG_DIR, service_name, dir, 0);
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234 /* Try to get environment variables - may fail */
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235 set_environment(service_name, key, env);
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237 /* Try to get throttle restart delay */
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238 unsigned long type = REG_DWORD;
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239 unsigned long buflen = sizeof(*throttle_delay);
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240 bool throttle_ok = false;
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241 ret = RegQueryValueEx(key, NSSM_REG_THROTTLE, 0, &type, (unsigned char *) throttle_delay, &buflen);
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242 if (ret != ERROR_SUCCESS) {
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243 if (ret != ERROR_FILE_NOT_FOUND) {
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244 if (type != REG_DWORD) {
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245 char milliseconds[16];
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246 _snprintf(milliseconds, sizeof(milliseconds), "%lu", NSSM_RESET_THROTTLE_RESTART);
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247 log_event(EVENTLOG_WARNING_TYPE, NSSM_EVENT_BOGUS_THROTTLE, service_name, NSSM_REG_THROTTLE, milliseconds, 0);
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249 else log_event(EVENTLOG_ERROR_TYPE, NSSM_EVENT_QUERYVALUE_FAILED, NSSM_REG_THROTTLE, error_string(GetLastError()), 0);
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252 else throttle_ok = true;
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254 if (! throttle_ok) *throttle_delay = NSSM_RESET_THROTTLE_RESTART;
\r
256 /* Close registry */
\r
262 int get_exit_action(char *service_name, unsigned long *ret, unsigned char *action, bool *default_action) {
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263 /* Are we returning the default action or a status-specific one? */
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264 *default_action = ! ret;
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267 char registry[KEY_LENGTH];
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268 if (_snprintf(registry, sizeof(registry), NSSM_REGISTRY "\\%s", service_name, NSSM_REG_EXIT) < 0) {
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269 log_event(EVENTLOG_ERROR_TYPE, NSSM_EVENT_OUT_OF_MEMORY, "NSSM_REG_EXIT", "get_exit_action()", 0);
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273 /* Try to open the registry */
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275 long error = RegOpenKeyEx(HKEY_LOCAL_MACHINE, registry, 0, KEY_READ, &key);
\r
276 if (error != ERROR_SUCCESS && error != ERROR_FILE_NOT_FOUND) {
\r
277 log_event(EVENTLOG_ERROR_TYPE, NSSM_EVENT_OPENKEY_FAILED, registry, error_string(GetLastError()), 0);
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281 unsigned long type = REG_SZ;
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282 unsigned long action_len = ACTION_LEN;
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285 if (! ret) code[0] = '\0';
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286 else if (_snprintf(code, sizeof(code), "%lu", *ret) < 0) {
\r
288 return get_exit_action(service_name, 0, action, default_action);
\r
290 if (RegQueryValueEx(key, code, 0, &type, action, &action_len) != ERROR_SUCCESS) {
\r
292 /* Try again with * as the key if an exit code was defined */
\r
293 if (ret) return get_exit_action(service_name, 0, action, default_action);
\r
297 /* Close registry */
\r