Agent effective user and group can be set in configuration file
[public/netxms.git] / src / agent / core / nxagentd.cpp
CommitLineData
cc022855 1/*
5039dede 2** NetXMS multiplatform core agent
c99dbf89 3** Copyright (C) 2003-2016 Victor Kirhenshtein
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4**
5** This program is free software; you can redistribute it and/or modify
6** it under the terms of the GNU General Public License as published by
7** the Free Software Foundation; either version 2 of the License, or
8** (at your option) any later version.
9**
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10** This program is distributed in the hope that it will be useful,
11** but WITHOUT ANY WARRANTY; without even the implied warranty of
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12** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13** GNU General Public License for more details.
14**
15** You should have received a copy of the GNU General Public License
16** along with this program; if not, write to the Free Software
17** Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
18**
19** File: nxagentd.cpp
20**
21**/
22
23#include "nxagentd.h"
24
25#if defined(_WIN32)
ed2a1152 26#include <shlobj.h>
5039dede 27#include <conio.h>
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28#else
29#include <signal.h>
30#include <sys/wait.h>
31#endif
32
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33#if HAVE_LOCALE_H
34#include <locale.h>
35#endif
36
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37#if HAVE_SYS_UTSNAME_H
38#include <sys/utsname.h>
39#endif
40
41#if HAVE_SYS_SYSCTL_H
42#include <sys/sysctl.h>
43#endif
44
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45#ifdef _WITH_ENCRYPTION
46#include <openssl/ssl.h>
47#endif
5039dede 48
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49#if HAVE_GRP_H
50#include <grp.h>
51#endif
52
53#if HAVE_PWD_H
54#include <pwd.h>
55#endif
56
489b117b 57/**
58 * Externals
59 */
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60THREAD_RESULT THREAD_CALL ListenerThread(void *);
61THREAD_RESULT THREAD_CALL SessionWatchdog(void *);
62THREAD_RESULT THREAD_CALL TrapSender(void *);
0df58041 63THREAD_RESULT THREAD_CALL MasterAgentListener(void *arg);
76b42c1e 64THREAD_RESULT THREAD_CALL SNMPTrapReceiver(void *);
489b117b 65THREAD_RESULT THREAD_CALL SNMPTrapSender(void *);
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66THREAD_RESULT THREAD_CALL SyslogReceiver(void *);
67THREAD_RESULT THREAD_CALL SyslogSender(void *);
842378a4 68THREAD_RESULT THREAD_CALL TunnelManager(void *);
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69
70void ShutdownTrapSender();
489b117b 71void ShutdownSNMPTrapSender();
5039dede 72
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73void ShutdownSyslogSender();
74
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75void StartLocalDataCollector();
76void ShutdownLocalDataCollector();
77
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78void StartWatchdog();
79void StopWatchdog();
80int WatchdogMain(DWORD pid);
81
6aab2983 82void InitSessionList();
13783551 83void DestroySessionList();
6aab2983 84
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85BOOL RegisterOnServer(const TCHAR *pszServer);
86
b123ecb3 87void UpdatePolicyInventory();
88
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89void ParseTunnelList(TCHAR *list);
90
968031d9 91#if !defined(_WIN32)
203e9d8a 92void InitStaticSubagents();
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93#endif
94
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95#ifdef _WIN32
96extern TCHAR g_windowsServiceName[];
97extern TCHAR g_windowsServiceDisplayName[];
98#endif
99
359784de 100void LIBNXAGENT_EXPORTABLE InitSubAgentAPI(void (* writeLog)(int, int, const TCHAR *),
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101 void (* sendTrap1)(UINT32, const TCHAR *, const char *, va_list),
102 void (* sendTrap2)(UINT32, const TCHAR *, int, TCHAR **),
103 bool (* enumerateSessions)(EnumerationCallbackResult (*)(AbstractCommSession *, void *), void*),
104 AbstractCommSession *(* findServerSession)(UINT64),
105 bool (* sendFile)(void *, UINT32, const TCHAR *, long),
106 bool (* pushData)(const TCHAR *, const TCHAR *, UINT32, time_t),
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107 DB_HANDLE (* getLocalDatabaseHandle)(),
108 CONDITION shutdownCondition, const TCHAR *dataDirectory);
359784de 109
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110/**
111 * Messages generated by mc.pl (for UNIX version only)
112 */
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113#ifndef _WIN32
114extern unsigned int g_dwNumMessages;
115extern const TCHAR *g_szMessages[];
116#endif
117
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118/**
119 * Valid options for getopt()
120 */
5039dede 121#if defined(_WIN32)
f918b160 122#define VALID_OPTIONS "c:CdD:e:EfhHiIKM:n:N:P:r:RsSUvX:W:Z:"
5039dede 123#else
e4ec73da 124#define VALID_OPTIONS "c:CdD:fg:hKM:p:P:r:u:vX:W:Z:"
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125#endif
126
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127/**
128 * Actions
129 */
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130#define ACTION_NONE 0
131#define ACTION_RUN_AGENT 1
132#define ACTION_INSTALL_SERVICE 2
133#define ACTION_REMOVE_SERVICE 3
134#define ACTION_START_SERVICE 4
135#define ACTION_STOP_SERVICE 5
136#define ACTION_CHECK_CONFIG 6
137#define ACTION_INSTALL_EVENT_SOURCE 7
138#define ACTION_REMOVE_EVENT_SOURCE 8
139#define ACTION_CREATE_CONFIG 9
140#define ACTION_HELP 10
9fcdfda7 141#define ACTION_RUN_WATCHDOG 11
f918b160 142#define ACTION_SHUTDOWN_EXT_AGENTS 12
5039dede 143
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144/**
145 * Global variables
146 */
967893bb 147UINT32 g_dwFlags = AF_ENABLE_ACTIONS | AF_ENABLE_AUTOLOAD;
b123ecb3 148UINT32 g_failFlags = 0;
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149TCHAR g_szLogFile[MAX_PATH] = AGENT_DEFAULT_LOG;
150TCHAR g_szSharedSecret[MAX_SECRET_LENGTH] = _T("admin");
151TCHAR g_szConfigFile[MAX_PATH] = AGENT_DEFAULT_CONFIG;
152TCHAR g_szFileStore[MAX_PATH] = AGENT_DEFAULT_FILE_STORE;
153TCHAR g_szDataDirectory[MAX_PATH] = AGENT_DEFAULT_DATA_DIR;
154TCHAR g_szPlatformSuffix[MAX_PSUFFIX_LENGTH] = _T("");
155TCHAR g_szConfigServer[MAX_DB_STRING] = _T("not_set");
156TCHAR g_szRegistrar[MAX_DB_STRING] = _T("not_set");
157TCHAR g_szListenAddress[MAX_PATH] = _T("*");
6ca3b41c 158TCHAR g_szConfigIncludeDir[MAX_PATH] = AGENT_DEFAULT_CONFIG_D;
b123ecb3 159TCHAR g_szConfigPolicyDir[MAX_PATH] = AGENT_DEFAULT_CONFIG_D;
169fa953 160TCHAR g_szLogParserDirectory[MAX_PATH] = _T("");
0df58041 161TCHAR g_masterAgent[MAX_PATH] = _T("not_set");
489b117b 162TCHAR g_szSNMPTrapListenAddress[MAX_PATH] = _T("*");
9c786c0f 163UINT16 g_wListenPort = AGENT_LISTEN_PORT;
9319c166 164ObjectArray<ServerInfo> g_serverList(8, 8, true);
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165UINT32 g_dwServerCount = 0;
166UINT32 g_dwExecTimeout = 2000; // External process execution timeout in milliseconds
014fbefc 167UINT32 g_dwSNMPTimeout = 1500;
5039dede 168time_t g_tmAgentStartTime;
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169UINT32 g_dwStartupDelay = 0;
170UINT32 g_dwMaxSessions = 32;
489b117b 171UINT32 g_dwSNMPTrapPort = 162;
89d79e7b 172UINT32 g_longRunningQueryThreshold = 250;
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173UINT32 g_dcReconciliationBlockSize = 1024;
174UINT32 g_dcReconciliationTimeout = 15000;
1304b91d 175UINT32 g_dcMaxCollectorPoolSize = 64;
3f635e1b 176UINT32 g_zoneId = 0;
685508a7 177UINT16 g_syslogListenPort = 514;
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178#ifdef _WIN32
179UINT16 g_sessionAgentPort = 28180;
180#else
181UINT16 g_sessionAgentPort = 0;
182#endif
74a1472d 183Config *g_config = NULL;
5039dede 184#ifdef _WIN32
967893bb 185UINT32 g_dwIdleTimeout = 60; // Session idle timeout
5039dede 186#else
967893bb 187UINT32 g_dwIdleTimeout = 120; // Session idle timeout
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188#endif
189
968031d9 190#if !defined(_WIN32)
bf3b7f79 191TCHAR g_szPidFile[MAX_PATH] = _T("/var/run/nxagentd.pid");
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192#endif
193
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194/**
195 * Static variables
196 */
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197static TCHAR *m_pszActionList = NULL;
198static TCHAR *m_pszShellActionList = NULL;
199static TCHAR *m_pszServerList = NULL;
200static TCHAR *m_pszControlServerList = NULL;
201static TCHAR *m_pszMasterServerList = NULL;
202static TCHAR *m_pszSubagentList = NULL;
203static TCHAR *m_pszExtParamList = NULL;
b5ded63e 204static TCHAR *m_pszExtListsList = NULL;
bf3b7f79 205static TCHAR *m_pszShExtParamList = NULL;
9795113c 206static TCHAR *m_pszParamProviderList = NULL;
204ace22 207static TCHAR *m_pszExtSubagentList = NULL;
83b20bab 208static TCHAR *m_pszAppAgentList = NULL;
842378a4 209static TCHAR *s_serverConnectionList = NULL;
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210static UINT32 s_enabledCiphers = 0xFFFF;
211static THREAD s_sessionWatchdogThread = INVALID_THREAD_HANDLE;
212static THREAD s_listenerThread = INVALID_THREAD_HANDLE;
213static THREAD s_eventSenderThread = INVALID_THREAD_HANDLE;
214static THREAD s_snmpTrapReceiverThread = INVALID_THREAD_HANDLE;
215static THREAD s_snmpTrapSenderThread = INVALID_THREAD_HANDLE;
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216static THREAD s_syslogReceiverThread = INVALID_THREAD_HANDLE;
217static THREAD s_syslogSenderThread = INVALID_THREAD_HANDLE;
76b42c1e 218static THREAD s_masterAgentListenerThread = INVALID_THREAD_HANDLE;
842378a4 219static THREAD s_tunnelManagerThread = INVALID_THREAD_HANDLE;
040f4cef 220static TCHAR s_processToWaitFor[MAX_PATH] = _T("");
e5e015dd 221static TCHAR s_dumpDir[MAX_PATH] = _T("C:\\");
458b5d2b 222static UINT64 s_maxLogSize = 16384 * 1024;
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223static UINT32 s_logHistorySize = 4;
224static UINT32 s_logRotationMode = NXLOG_ROTATION_BY_SIZE;
e5e015dd 225static TCHAR s_dailyLogFileSuffix[64] = _T("");
5a0d14cf 226static TCHAR s_executableName[MAX_PATH];
2df047f4 227static UINT32 s_debugLevel = (UINT32)NXCONFIG_UNINITIALIZED_VALUE;
5039dede 228
53720bbf 229static CONDITION s_subAgentsStopCondition = INVALID_CONDITION_HANDLE;
968031d9 230#if defined(_WIN32)
76b42c1e 231static CONDITION s_shutdownCondition = INVALID_CONDITION_HANDLE;
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232#endif
233
968031d9 234#if !defined(_WIN32)
76b42c1e 235static pid_t s_pid;
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236#endif
237
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238/**
239 * Configuration file template
240 */
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241static NX_CFG_TEMPLATE m_cfgTemplate[] =
242{
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243 { _T("Action"), CT_STRING_LIST, '\n', 0, 0, 0, &m_pszActionList, NULL },
244 { _T("ActionShellExec"), CT_STRING_LIST, '\n', 0, 0, 0, &m_pszShellActionList, NULL },
245 { _T("AppAgent"), CT_STRING_LIST, '\n', 0, 0, 0, &m_pszAppAgentList, NULL },
4e0e77e6 246 { _T("BackgroundLogWriter"), CT_BOOLEAN, 0, 0, AF_BACKGROUND_LOG_WRITER, 0, &g_dwFlags, NULL },
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247 { _T("ControlServers"), CT_STRING_LIST, ',', 0, 0, 0, &m_pszControlServerList, NULL },
248 { _T("CreateCrashDumps"), CT_BOOLEAN, 0, 0, AF_CATCH_EXCEPTIONS, 0, &g_dwFlags, NULL },
1304b91d 249 { _T("DataCollectionThreadPoolSize"), CT_LONG, 0, 0, 0, 0, &g_dcMaxCollectorPoolSize, NULL },
e2e66145 250 { _T("DataDirectory"), CT_STRING, 0, 0, MAX_PATH, 0, g_szDataDirectory, NULL },
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251 { _T("DataReconciliationBlockSize"), CT_LONG, 0, 0, 0, 0, &g_dcReconciliationBlockSize, NULL },
252 { _T("DataReconciliationTimeout"), CT_LONG, 0, 0, 0, 0, &g_dcReconciliationTimeout, NULL },
e5e015dd 253 { _T("DailyLogFileSuffix"), CT_STRING, 0, 0, 64, 0, s_dailyLogFileSuffix, NULL },
2df047f4 254 { _T("DebugLevel"), CT_LONG, 0, 0, 0, 0, &s_debugLevel, &s_debugLevel },
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255 { _T("DisableIPv4"), CT_BOOLEAN, 0, 0, AF_DISABLE_IPV4, 0, &g_dwFlags, NULL },
256 { _T("DisableIPv6"), CT_BOOLEAN, 0, 0, AF_DISABLE_IPV6, 0, &g_dwFlags, NULL },
e5e015dd 257 { _T("DumpDirectory"), CT_STRING, 0, 0, MAX_PATH, 0, s_dumpDir, NULL },
e2e66145 258 { _T("EnableActions"), CT_BOOLEAN, 0, 0, AF_ENABLE_ACTIONS, 0, &g_dwFlags, NULL },
76b42c1e 259 { _T("EnabledCiphers"), CT_LONG, 0, 0, 0, 0, &s_enabledCiphers, NULL },
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260 { _T("EnableControlConnector"), CT_BOOLEAN, 0, 0, AF_ENABLE_CONTROL_CONNECTOR, 0, &g_dwFlags, NULL },
261 { _T("EnableProxy"), CT_BOOLEAN, 0, 0, AF_ENABLE_PROXY, 0, &g_dwFlags, NULL },
262 { _T("EnableSNMPProxy"), CT_BOOLEAN, 0, 0, AF_ENABLE_SNMP_PROXY, 0, &g_dwFlags, NULL },
489b117b 263 { _T("EnableSNMPTrapProxy"), CT_BOOLEAN, 0, 0, AF_ENABLE_SNMP_TRAP_PROXY, 0, &g_dwFlags, NULL },
685508a7 264 { _T("EnableSyslogProxy"), CT_BOOLEAN, 0, 0, AF_ENABLE_SYSLOG_PROXY, 0, &g_dwFlags, NULL },
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265 { _T("EnableSubagentAutoload"), CT_BOOLEAN, 0, 0, AF_ENABLE_AUTOLOAD, 0, &g_dwFlags, NULL },
266 { _T("EnableWatchdog"), CT_BOOLEAN, 0, 0, AF_ENABLE_WATCHDOG, 0, &g_dwFlags, NULL },
07ca7d19 267 { _T("EncryptedSharedSecret"), CT_STRING, 0, 0, MAX_SECRET_LENGTH, 0, g_szSharedSecret, NULL },
e2e66145 268 { _T("ExecTimeout"), CT_LONG, 0, 0, 0, 0, &g_dwExecTimeout, NULL },
6d570a15 269 { _T("ExternalList"), CT_STRING_LIST, '\n', 0, 0, 0, &m_pszExtListsList, NULL },
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270 { _T("ExternalMasterAgent"), CT_STRING, 0, 0, MAX_PATH, 0, g_masterAgent, NULL },
271 { _T("ExternalParameter"), CT_STRING_LIST, '\n', 0, 0, 0, &m_pszExtParamList, NULL },
272 { _T("ExternalParameterShellExec"), CT_STRING_LIST, '\n', 0, 0, 0, &m_pszShExtParamList, NULL },
273 { _T("ExternalParametersProvider"), CT_STRING_LIST, '\n', 0, 0, 0, &m_pszParamProviderList, NULL },
274 { _T("ExternalSubagent"), CT_STRING_LIST, '\n', 0, 0, 0, &m_pszExtSubagentList, NULL },
275 { _T("FileStore"), CT_STRING, 0, 0, MAX_PATH, 0, g_szFileStore, NULL },
276 { _T("FullCrashDumps"), CT_BOOLEAN, 0, 0, AF_WRITE_FULL_DUMP, 0, &g_dwFlags, NULL },
277 { _T("ListenAddress"), CT_STRING, 0, 0, MAX_PATH, 0, g_szListenAddress, NULL },
278 { _T("ListenPort"), CT_WORD, 0, 0, 0, 0, &g_wListenPort, NULL },
279 { _T("LogFile"), CT_STRING, 0, 0, MAX_PATH, 0, g_szLogFile, NULL },
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280 { _T("LogHistorySize"), CT_LONG, 0, 0, 0, 0, &s_logHistorySize, NULL },
281 { _T("LogRotationMode"), CT_LONG, 0, 0, 0, 0, &s_logRotationMode, NULL },
e2e66145 282 { _T("LogUnresolvedSymbols"), CT_BOOLEAN, 0, 0, AF_LOG_UNRESOLVED_SYMBOLS, 0, &g_dwFlags, NULL },
89d79e7b 283 { _T("LongRunningQueryThreshold"), CT_LONG, 0, 0, 0, 0, &g_longRunningQueryThreshold, NULL },
e2e66145 284 { _T("MasterServers"), CT_STRING_LIST, ',', 0, 0, 0, &m_pszMasterServerList, NULL },
458b5d2b 285 { _T("MaxLogSize"), CT_SIZE_BYTES, 0, 0, 0, 0, &s_maxLogSize, NULL },
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286 { _T("MaxSessions"), CT_LONG, 0, 0, 0, 0, &g_dwMaxSessions, NULL },
287 { _T("PlatformSuffix"), CT_STRING, 0, 0, MAX_PSUFFIX_LENGTH, 0, g_szPlatformSuffix, NULL },
288 { _T("RequireAuthentication"), CT_BOOLEAN, 0, 0, AF_REQUIRE_AUTH, 0, &g_dwFlags, NULL },
289 { _T("RequireEncryption"), CT_BOOLEAN, 0, 0, AF_REQUIRE_ENCRYPTION, 0, &g_dwFlags, NULL },
842378a4 290 { _T("ServerConnection"), CT_STRING_LIST, '\n', 0, 0, 0, &s_serverConnectionList, NULL },
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291 { _T("Servers"), CT_STRING_LIST, ',', 0, 0, 0, &m_pszServerList, NULL },
292 { _T("SessionIdleTimeout"), CT_LONG, 0, 0, 0, 0, &g_dwIdleTimeout, NULL },
9c786c0f 293 { _T("SessionAgentPort"), CT_WORD, 0, 0, 0, 0, &g_sessionAgentPort, NULL },
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294 { _T("SharedSecret"), CT_STRING, 0, 0, MAX_SECRET_LENGTH, 0, g_szSharedSecret, NULL },
295 { _T("SNMPTimeout"), CT_LONG, 0, 0, 0, 0, &g_dwSNMPTimeout, NULL },
4d31be20 296 { _T("SNMPTrapListenAddress"), CT_STRING, 0, 0, MAX_PATH, 0, &g_szSNMPTrapListenAddress, NULL },
489b117b 297 { _T("SNMPTrapPort"), CT_LONG, 0, 0, 0, 0, &g_dwSNMPTrapPort, NULL },
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298 { _T("StartupDelay"), CT_LONG, 0, 0, 0, 0, &g_dwStartupDelay, NULL },
299 { _T("SubAgent"), CT_STRING_LIST, '\n', 0, 0, 0, &m_pszSubagentList, NULL },
685508a7 300 { _T("SyslogListenPort"), CT_WORD, 0, 0, 0, 0, &g_syslogListenPort, NULL },
e2e66145 301 { _T("TimeOut"), CT_IGNORE, 0, 0, 0, 0, NULL, NULL },
040f4cef 302 { _T("WaitForProcess"), CT_STRING, 0, 0, MAX_PATH, 0, s_processToWaitFor, NULL },
3f635e1b 303 { _T("ZoneId"), CT_LONG, 0, 0, 0, 0, &g_zoneId, NULL },
e2e66145 304 { _T(""), CT_END_OF_LIST, 0, 0, 0, 0, NULL, NULL }
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305};
306
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307/**
308 * Help text
309 */
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310static TCHAR m_szHelpText[] =
311 _T("Usage: nxagentd [options]\n")
312 _T("Where valid options are:\n")
313 _T(" -c <file> : Use configuration file <file> (default ") AGENT_DEFAULT_CONFIG _T(")\n")
e77b1f4e 314 _T(" -C : Load configuration file, dump resulting configuration, and exit\n")
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315 _T(" -d : Run as daemon/service\n")
316 _T(" -D <level> : Set debug level (0..9)\n")
9f96fc88 317#ifdef _WIN32
f3387429 318 _T(" -e <name> : Windows event source name\n")
9f96fc88 319#endif
f3387429 320 _T(" -f : Run in foreground\n")
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321#if !defined(_WIN32)
322 _T(" -g <gid> : Chhange group ID to <gid> after start\n")
323#endif
f3387429 324 _T(" -h : Display help and exit\n")
5039dede 325#ifdef _WIN32
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326 _T(" -H : Hide agent's window when in standalone mode\n")
327 _T(" -i : Installed Windows service must be interactive\n")
328 _T(" -I : Install Windows service\n")
5039dede 329#endif
f918b160 330 _T(" -K : Shutdown all connected external sub-agents\n")
f3387429 331 _T(" -M <addr> : Download config from management server <addr>\n")
9f96fc88 332#ifdef _WIN32
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333 _T(" -n <name> : Service name\n")
334 _T(" -N <name> : Service display name\n")
9f96fc88 335#endif
968031d9 336#if !defined(_WIN32)
f3387429 337 _T(" -p : Path to pid file (default: /var/run/nxagentd.pid)\n")
5039dede 338#endif
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339 _T(" -P <text> : Set platform suffix to <text>\n")
340 _T(" -r <addr> : Register agent on management server <addr>\n")
5039dede 341#ifdef _WIN32
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342 _T(" -R : Remove Windows service\n")
343 _T(" -s : Start Windows servive\n")
344 _T(" -S : Stop Windows service\n")
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345#endif
346#if !defined(_WIN32)
347 _T(" -u <uid> : Chhange user ID to <uid> after start\n")
5039dede 348#endif
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349 _T(" -v : Display version and exit\n")
350 _T("\n");
5039dede 351
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352/**
353 * Server info: constructor
354 */
355ServerInfo::ServerInfo(const TCHAR *name, bool control, bool master)
356{
357#ifdef UNICODE
358 m_name = MBStringFromWideString(name);
359#else
360 m_name = strdup(name);
361#endif
362
363 char *p = strchr(m_name, '/');
364 if (p != NULL)
365 {
366 *p = 0;
367 p++;
368 m_address = InetAddress::resolveHostName(m_name);
8c75ad41 369 if (m_address.isValid())
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370 {
371 int bits = strtol(p, NULL, 10);
7ff72ee9 372 if ((bits >= 0) && (bits <= ((m_address.getFamily() == AF_INET) ? 32 : 128)))
8c75ad41 373 m_address.setMaskBits(bits);
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374 }
375 m_redoResolve = false;
376 }
377 else
378 {
379 m_address = InetAddress::resolveHostName(m_name);
380 m_redoResolve = true;
381 }
382
383 m_control = control;
384 m_master = master;
385 m_lastResolveTime = time(NULL);
386 m_mutex = MutexCreate();
387}
388
389/**
390 * Server info: destructor
391 */
392ServerInfo::~ServerInfo()
393{
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394 safe_free(m_name);
395 MutexDestroy(m_mutex);
396}
397
398/**
399 * Server info: resolve hostname if needed
400 */
401void ServerInfo::resolve()
402{
403 time_t now = time(NULL);
404 time_t age = now - m_lastResolveTime;
8c75ad41 405 if ((age >= 3600) || ((age > 300) && !m_address.isValid()))
9319c166 406 {
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407 m_address = InetAddress::resolveHostName(m_name);
408 m_lastResolveTime = now;
409 }
410}
411
412/**
413 * Server info: match address
414 */
8c75ad41 415bool ServerInfo::match(const InetAddress &addr)
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416{
417 MutexLock(m_mutex);
418 if (m_redoResolve)
419 resolve();
8c75ad41 420 bool result = m_address.isValid() ? m_address.contain(addr) : false;
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421 MutexUnlock(m_mutex);
422 return result;
423}
424
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425#ifdef _WIN32
426
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427/**
428 * Get our own console window handle (an alternative to Microsoft's GetConsoleWindow)
429 */
203e9d8a 430static HWND GetConsoleHWND()
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431{
432 HWND hWnd;
433 DWORD wpid, cpid;
434
435 cpid = GetCurrentProcessId();
436 while(1)
437 {
438 hWnd = FindWindowEx(NULL, NULL, _T("ConsoleWindowClass"), NULL);
439 if (hWnd == NULL)
440 break;
cc022855 441
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442 GetWindowThreadProcessId(hWnd, &wpid);
443 if (cpid == wpid)
444 break;
445 }
446
447 return hWnd;
448}
449
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450/**
451 * Get proc address and write log file
452 */
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453static FARPROC GetProcAddressAndLog(HMODULE hModule, LPCSTR procName)
454{
455 FARPROC ptr;
456
457 ptr = GetProcAddress(hModule, procName);
458 if ((ptr == NULL) && (g_dwFlags & AF_LOG_UNRESOLVED_SYMBOLS))
459 nxlog_write(MSG_NO_FUNCTION, EVENTLOG_WARNING_TYPE, "s", procName);
460 return ptr;
461}
462
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463/**
464 * Shutdown thread (created by H_RestartAgent)
465 */
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466static THREAD_RESULT THREAD_CALL ShutdownThread(void *pArg)
467{
8e954797 468 DebugPrintf(INVALID_INDEX, 1, _T("Shutdown thread started"));
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469 Shutdown();
470 ExitProcess(0);
471 return THREAD_OK; // Never reached
472}
473
474#endif /* _WIN32 */
475
134c8b79 476
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477/**
478 * Restart agent
479 */
060c5a11 480static LONG H_RestartAgent(const TCHAR *action, StringList *args, const TCHAR *data, AbstractCommSession *session)
5039dede 481{
5b2c3e2d
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482 DebugPrintf(INVALID_INDEX, 1, _T("H_RestartAgent() called"));
483
5039dede 484 TCHAR szCmdLine[4096], szPlatformSuffixOption[MAX_PSUFFIX_LENGTH + 16];
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485
486 if (g_szPlatformSuffix[0] != 0)
487 {
488 _sntprintf(szPlatformSuffixOption, MAX_PSUFFIX_LENGTH + 16, _T("-P \"%s\" "), g_szPlatformSuffix);
489 }
490 else
491 {
492 szPlatformSuffixOption[0] = 0;
493 }
494
495#ifdef _WIN32
5a0d14cf 496 _sntprintf(szCmdLine, 4096, _T("\"%s\" -c \"%s\" -n \"%s\" -e \"%s\" %s%s%s%s%s-D %d %s-X %u"), s_executableName,
93599cfd
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497 g_szConfigFile, g_windowsServiceName, g_windowsEventSourceName,
498 (g_dwFlags & AF_DAEMON) ? _T("-d ") : _T(""),
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499 (g_dwFlags & AF_HIDE_WINDOW) ? _T("-H ") : _T(""),
500 (g_dwFlags & AF_CENTRAL_CONFIG) ? _T("-M ") : _T(""),
501 (g_dwFlags & AF_CENTRAL_CONFIG) ? g_szConfigServer : _T(""),
502 (g_dwFlags & AF_CENTRAL_CONFIG) ? _T(" ") : _T(""),
2df047f4 503 s_debugLevel, szPlatformSuffixOption,
5039dede 504 (g_dwFlags & AF_DAEMON) ? 0 : GetCurrentProcessId());
c303351c 505 DebugPrintf(INVALID_INDEX, 1, _T("Restarting agent with command line '%s'"), szCmdLine);
5039dede 506
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507 DWORD dwResult;
508 STARTUPINFO si;
509 PROCESS_INFORMATION pi;
cc022855 510
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511 // Fill in process startup info structure
512 memset(&si, 0, sizeof(STARTUPINFO));
513 si.cb = sizeof(STARTUPINFO);
514
515 // Create new process
cc022855 516 if (!CreateProcess(NULL, szCmdLine, NULL, NULL, FALSE,
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517 (g_dwFlags & AF_DAEMON) ? (CREATE_NO_WINDOW | DETACHED_PROCESS) : (CREATE_NEW_CONSOLE),
518 NULL, NULL, &si, &pi))
519 {
520 nxlog_write(MSG_CREATE_PROCESS_FAILED, EVENTLOG_ERROR_TYPE, "se", szCmdLine, GetLastError());
521 dwResult = ERR_EXEC_FAILED;
522 }
523 else
524 {
525 // Close all handles
526 CloseHandle(pi.hThread);
527 CloseHandle(pi.hProcess);
528 dwResult = ERR_SUCCESS;
529 }
530 if ((dwResult == ERR_SUCCESS) && (!(g_dwFlags & AF_DAEMON)))
531 {
532 if (g_dwFlags & AF_HIDE_WINDOW)
533 {
76b42c1e 534 ConditionSet(s_shutdownCondition);
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535 }
536 else
537 {
538 ThreadCreate(ShutdownThread, 0, NULL);
539 }
540 }
541 return dwResult;
542#else
5a0d14cf 543 _sntprintf(szCmdLine, 4096, _T("\"%s\" -c \"%s\" %s%s%s%s-D %d %s-X %lu"), s_executableName,
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544 g_szConfigFile, (g_dwFlags & AF_DAEMON) ? _T("-d ") : _T(""),
545 (g_dwFlags & AF_CENTRAL_CONFIG) ? _T("-M ") : _T(""),
546 (g_dwFlags & AF_CENTRAL_CONFIG) ? g_szConfigServer : _T(""),
547 (g_dwFlags & AF_CENTRAL_CONFIG) ? _T(" ") : _T(""),
2df047f4 548 (int)s_debugLevel, szPlatformSuffixOption,
76b42c1e 549 (unsigned long)s_pid);
5b2c3e2d 550 DebugPrintf(INVALID_INDEX, 1, _T("Restarting agent with command line '%s'"), szCmdLine);
9fcdfda7 551 return ExecuteCommand(szCmdLine, NULL, NULL);
5039dede 552#endif
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553}
554
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555/**
556 * This function writes message from subagent to agent's log
557 */
c303351c 558static void WriteSubAgentMsg(int logLevel, int debugLevel, const TCHAR *pszMsg)
5039dede 559{
c303351c 560 if (logLevel == EVENTLOG_DEBUG_TYPE)
5039dede 561 {
2df047f4 562 if (debugLevel <= (int)s_debugLevel)
c303351c 563 nxlog_write(MSG_DEBUG, EVENTLOG_DEBUG_TYPE, "s", pszMsg);
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564 }
565 else
566 {
c303351c 567 nxlog_write(MSG_SUBAGENT_MSG, logLevel, "s", pszMsg);
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568 }
569}
570
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571/**
572 * Signal handler for UNIX platforms
573 */
968031d9 574#if !defined(_WIN32)
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575
576static THREAD_RESULT THREAD_CALL SignalHandler(void *pArg)
577{
578 sigset_t signals;
579 int nSignal;
580
581 sigemptyset(&signals);
582 sigaddset(&signals, SIGTERM);
583 sigaddset(&signals, SIGINT);
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584 sigaddset(&signals, SIGSEGV);
585 sigaddset(&signals, SIGHUP);
586 sigaddset(&signals, SIGUSR1);
587 sigaddset(&signals, SIGUSR2);
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588#if !defined(__sun) && !defined(_AIX) && !defined(__hpux)
589 sigaddset(&signals, SIGPIPE);
590#endif
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591
592 sigprocmask(SIG_BLOCK, &signals, NULL);
593
594 while(1)
595 {
596 if (sigwait(&signals, &nSignal) == 0)
597 {
598 switch(nSignal)
599 {
600 case SIGTERM:
601 case SIGINT:
602 goto stop_handler;
603 case SIGSEGV:
604 abort();
605 break;
606 default:
607 break;
608 }
609 }
610 else
611 {
612 ThreadSleepMs(100);
613 }
614 }
615
616stop_handler:
617 sigprocmask(SIG_UNBLOCK, &signals, NULL);
618 return THREAD_OK;
619}
620
621#endif
622
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623/**
624 * Load platform subagent
625 */
626static void LoadPlatformSubagent()
5039dede 627{
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628#ifdef _WIN32
629 LoadSubAgent(_T("WINNT.NSM"));
5039dede 630#else
968031d9 631#if HAVE_SYS_UTSNAME_H && !defined(_STATIC_AGENT)
5039dede 632 struct utsname un;
f3387429 633 TCHAR szName[MAX_PATH];
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634 int i;
635
636 if (uname(&un) != -1)
637 {
638 // Convert system name to lowercase
639 for(i = 0; un.sysname[i] != 0; i++)
640 un.sysname[i] = tolower(un.sysname[i]);
641 if (!strcmp(un.sysname, "hp-ux"))
642 strcpy(un.sysname, "hpux");
f31c22b3 643 _sntprintf(szName, MAX_PATH, _T("%hs.nsm"), un.sysname);
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644 LoadSubAgent(szName);
645 }
646#endif
5039dede 647#endif
acc04d96 648}
5039dede 649
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650/**
651 * Send file to server (subagent API)
652 */
cc022855 653static bool SendFileToServer(void *session, UINT32 requestId, const TCHAR *file, long offset)
6173bea8 654{
4685a2ad 655 if (session == NULL)
0137b9f7 656 return false;
cc022855 657 return ((CommSession *)session)->sendFile(requestId, file, offset);
6173bea8
VK
658}
659
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660/**
661 * Parser server list
662 */
9319c166 663static void ParseServerList(TCHAR *serverList, bool isControl, bool isMaster)
968031d9
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664{
665 TCHAR *pItem, *pEnd;
666
667 for(pItem = pEnd = serverList; pEnd != NULL && *pItem != 0; pItem = pEnd + 1)
668 {
f3387429 669 pEnd = _tcschr(pItem, _T(','));
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670 if (pEnd != NULL)
671 *pEnd = 0;
672 StrStrip(pItem);
673
9319c166 674 g_serverList.add(new ServerInfo(pItem, isControl, isMaster));
968031d9
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675 }
676 free(serverList);
677}
678
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679/**
680 * Agent initialization
681 */
c6fbf758 682BOOL Initialize()
5039dede 683{
bf3b7f79 684 TCHAR *pItem, *pEnd;
5039dede 685
2df047f4
VK
686 if (s_debugLevel == (UINT32)NXCONFIG_UNINITIALIZED_VALUE)
687 s_debugLevel = 0;
e2e66145 688
f31c22b3
VK
689 if (!_tcscmp(g_szDataDirectory, _T("{default}")))
690 {
1039d7ee 691 GetNetXMSDirectory(nxDirData, g_szDataDirectory);
f31c22b3 692 }
f31c22b3 693
b123ecb3 694 //Initialize config policy folder
695 TCHAR tail = g_szDataDirectory[_tcslen(g_szDataDirectory) - 1];
696 _sntprintf(g_szConfigPolicyDir, MAX_PATH, _T("%s%s%s"), g_szDataDirectory,
697 ((tail != '\\') && (tail != '/')) ? FS_PATH_SEPARATOR : _T(""),
698 CONFIG_AP_FOLDER FS_PATH_SEPARATOR);
699 CreateFolder(g_szConfigPolicyDir);
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700
701 // Load configuration
b123ecb3 702 g_config->loadConfigDirectory(g_szConfigPolicyDir, _T("agent"));
703 g_config->parseTemplate(_T("agent"), m_cfgTemplate);
704
5039dede 705 // Open log file
9fcdfda7
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706 if (!nxlog_open((g_dwFlags & AF_USE_SYSLOG) ? NXAGENTD_SYSLOG_NAME : g_szLogFile,
707 ((g_dwFlags & AF_USE_SYSLOG) ? NXLOG_USE_SYSLOG : 0) |
4e0e77e6
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708 ((g_dwFlags & AF_BACKGROUND_LOG_WRITER) ? NXLOG_BACKGROUND_WRITER : 0) |
709 ((g_dwFlags & AF_DAEMON) ? 0 : NXLOG_PRINT_TO_STDOUT),
9fcdfda7 710 _T("NXAGENTD.EXE"),
5039dede 711#ifdef _WIN32
2df047f4 712 0, NULL, MSG_DEBUG))
5039dede 713#else
2df047f4 714 g_dwNumMessages, g_szMessages, MSG_DEBUG))
5039dede 715#endif
9fcdfda7 716 {
b123ecb3 717 //TODO: set flag that log have been opened with errors
718 s_debugLevel = 1;
c5459490 719 g_failFlags |= FAIL_OPEN_LOG;
b123ecb3 720 nxlog_open(NXAGENTD_SYSLOG_NAME, NXLOG_USE_SYSLOG |
721 ((g_dwFlags & AF_BACKGROUND_LOG_WRITER) ? NXLOG_BACKGROUND_WRITER : 0) |
722 ((g_dwFlags & AF_DAEMON) ? 0 : NXLOG_PRINT_TO_STDOUT),
723 _T("NXAGENTD.EXE"),
724#ifdef _WIN32
725 0, NULL, MSG_DEBUG);
726#else
727 g_dwNumMessages, g_szMessages, MSG_DEBUG);
728#endif
729 _ftprintf(stderr, _T("ERROR: Cannot open log file, logs will be written to syslog with debug level 1\n"));
730
9fcdfda7 731 }
b123ecb3 732 else
733 {
734 if (!(g_dwFlags & AF_USE_SYSLOG))
735 {
458b5d2b 736 if (!nxlog_set_rotation_policy((int)s_logRotationMode, s_maxLogSize, (int)s_logHistorySize, s_dailyLogFileSuffix))
b123ecb3 737 if (!(g_dwFlags & AF_DAEMON))
738 _tprintf(_T("WARNING: cannot set log rotation policy; using default values\n"));
739 }
740 }
203e9d8a 741 nxlog_write(MSG_USE_CONFIG_D, NXLOG_INFO, "s", g_szConfigIncludeDir);
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742 nxlog_write(MSG_DEBUG_LEVEL, NXLOG_INFO, "d", s_debugLevel);
743 nxlog_set_debug_level(s_debugLevel);
374afd7b 744
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VK
745 if (_tcscmp(g_masterAgent, _T("not_set")))
746 {
747 g_dwFlags |= AF_SUBAGENT_LOADER;
748 DebugPrintf(INVALID_INDEX, 1, _T("Switched to external subagent loader mode, master agent address is %s"), g_masterAgent);
749 }
750
f31c22b3 751 DebugPrintf(INVALID_INDEX, 1, _T("Data directory: %s"), g_szDataDirectory);
c72b812a 752 CreateFolder(g_szDataDirectory);
f31c22b3 753
6d570a15
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754#ifndef _WIN32
755 nxlog_debug(2, _T("Effective user ID %d"), (int)geteuid());
756 nxlog_debug(2, _T("Effective group ID %d"), (int)getegid());
757#endif
758
3df8bccd 759 //Initialize log parser policy folder
b123ecb3 760 tail = g_szDataDirectory[_tcslen(g_szDataDirectory) - 1];
3df8bccd
Z
761 _sntprintf(g_szLogParserDirectory, MAX_PATH, _T("%s%s%s"), g_szDataDirectory,
762 ((tail != '\\') && (tail != '/')) ? FS_PATH_SEPARATOR : _T(""),
169fa953 763 LOGPARSER_AP_FOLDER FS_PATH_SEPARATOR);
3df8bccd
Z
764 DebugPrintf(INVALID_INDEX, 6, _T("Log parser policy directory: %s"), g_szLogParserDirectory);
765 CreateFolder(g_szLogParserDirectory);
b123ecb3 766 DebugPrintf(INVALID_INDEX, 6, _T("Configuration policy directory: %s"), g_szConfigPolicyDir);
13276419 767 CreateFolder(g_szFileStore);
768
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769#ifdef _WIN32
770 WSADATA wsaData;
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VK
771 int wrc = WSAStartup(MAKEWORD(2, 2), &wsaData);
772 if (wrc != 0)
5039dede 773 {
1ddf3f0c 774 nxlog_write(MSG_WSASTARTUP_FAILED, NXLOG_ERROR, "e", wrc);
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775 return FALSE;
776 }
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777#endif
778
5039dede 779 // Initialize API for subagents
53720bbf 780 s_subAgentsStopCondition = ConditionCreate(TRUE);
6fbaa926 781 InitSubAgentAPI(WriteSubAgentMsg, SendTrap, SendTrap, EnumerateSessions, FindServerSession,
7f6ecb6d 782 SendFileToServer, PushData, GetLocalDatabaseHandle, s_subAgentsStopCondition, g_szDataDirectory);
bf3b7f79 783 DebugPrintf(INVALID_INDEX, 1, _T("Subagent API initialized"));
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784
785 // Initialize cryptografy
2df047f4 786 if (!InitCryptoLib(s_enabledCiphers))
5039dede
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787 {
788 nxlog_write(MSG_INIT_CRYPTO_FAILED, EVENTLOG_ERROR_TYPE, "e", WSAGetLastError());
789 return FALSE;
790 }
791
01116597
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792 // Initialize libssl - it is not used by core agent
793 // but may be needed by some subagents. Allowing first load of libssl by
794 // subagent via dlopen() may lead to undesired side effects
795#ifdef _WITH_ENCRYPTION
796 SSL_library_init();
797 SSL_load_error_strings();
798#endif
799
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800 DBInit(MSG_DB_LIBRARY, MSG_SQL_ERROR);
801
c99dbf89
VK
802 if (!OpenLocalDatabase())
803 {
804 nxlog_write(MSG_LOCAL_DB_OPEN_FAILED, NXLOG_ERROR, NULL);
805 }
806
0df58041
VK
807 if (!(g_dwFlags & AF_SUBAGENT_LOADER))
808 {
83191808
VK
809 if (g_dwFlags & AF_ENABLE_SNMP_PROXY)
810 {
811 g_snmpProxyThreadPool = ThreadPoolCreate(2, 128, _T("SNMPPROXY"));
812 }
0df58041
VK
813 InitSessionList();
814
815 // Initialize built-in parameters
816 if (!InitParameterList())
817 return FALSE;
5039dede 818
842378a4
VK
819 // Parse outgoing server connection (tunnel) list
820 if (s_serverConnectionList != NULL)
821 ParseTunnelList(s_serverConnectionList);
822
968031d9 823 // Parse server lists
968031d9 824 if (m_pszMasterServerList != NULL)
5cb555d8
VK
825 ParseServerList(m_pszMasterServerList, true, true);
826 if (m_pszControlServerList != NULL)
827 ParseServerList(m_pszControlServerList, true, false);
828 if (m_pszServerList != NULL)
829 ParseServerList(m_pszServerList, false, false);
5039dede 830
0df58041 831 // Add built-in actions
f3387429 832 AddAction(_T("Agent.Restart"), AGENT_ACTION_SUBAGENT, NULL, H_RestartAgent, _T("CORE"), _T("Restart agent"));
9cf1b53c 833
0df58041 834 // Load platform subagents
968031d9 835#if !defined(_WIN32)
0df58041 836 InitStaticSubagents();
5039dede 837#endif
0df58041
VK
838 if (g_dwFlags & AF_ENABLE_AUTOLOAD)
839 {
0df58041 840 LoadPlatformSubagent();
0df58041
VK
841 }
842 }
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843
844 // Wait for external process if requested
040f4cef 845 if (s_processToWaitFor[0] != 0)
5039dede 846 {
040f4cef
VK
847 DebugPrintf(INVALID_INDEX, 1, _T("Waiting for process %s"), s_processToWaitFor);
848 if (!WaitForProcess(s_processToWaitFor))
849 nxlog_write(MSG_WAITFORPROCESS_FAILED, EVENTLOG_ERROR_TYPE, "s", s_processToWaitFor);
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850 }
851
852 // Load other subagents
853 if (m_pszSubagentList != NULL)
854 {
e6c91aac 855 for(pItem = pEnd = m_pszSubagentList; pEnd != NULL && *pItem != 0; pItem = pEnd + 1)
5039dede 856 {
f3387429 857 pEnd = _tcschr(pItem, _T('\n'));
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858 if (pEnd != NULL)
859 *pEnd = 0;
860 StrStrip(pItem);
861 LoadSubAgent(pItem);
862 }
863 free(m_pszSubagentList);
864 }
865
866 // Parse action list
867 if (m_pszActionList != NULL)
868 {
e6c91aac 869 for(pItem = pEnd = m_pszActionList; pEnd != NULL && *pItem != 0; pItem = pEnd + 1)
5039dede 870 {
f3387429 871 pEnd = _tcschr(pItem, _T('\n'));
5039dede
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872 if (pEnd != NULL)
873 *pEnd = 0;
874 StrStrip(pItem);
875 if (!AddActionFromConfig(pItem, FALSE))
876 nxlog_write(MSG_ADD_ACTION_FAILED, EVENTLOG_WARNING_TYPE, "s", pItem);
877 }
878 free(m_pszActionList);
879 }
880 if (m_pszShellActionList != NULL)
881 {
e6c91aac 882 for(pItem = pEnd = m_pszShellActionList; pEnd != NULL && *pItem != 0; pItem = pEnd + 1)
5039dede 883 {
bf3b7f79 884 pEnd = _tcschr(pItem, _T('\n'));
5039dede
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885
886 if (pEnd != NULL)
887 *pEnd = 0;
888 StrStrip(pItem);
889 if (!AddActionFromConfig(pItem, TRUE))
890 nxlog_write(MSG_ADD_ACTION_FAILED, EVENTLOG_WARNING_TYPE, "s", pItem);
891 }
892 free(m_pszShellActionList);
893 }
894
895 // Parse external parameters list
896 if (m_pszExtParamList != NULL)
897 {
e6c91aac 898 for(pItem = pEnd = m_pszExtParamList; pEnd != NULL && *pItem != 0; pItem = pEnd + 1)
5039dede 899 {
f3387429 900 pEnd = _tcschr(pItem, _T('\n'));
5039dede
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901 if (pEnd != NULL)
902 *pEnd = 0;
903 StrStrip(pItem);
b5ded63e 904 if (!AddExternalParameter(pItem, FALSE, FALSE))
5039dede
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905 nxlog_write(MSG_ADD_EXT_PARAM_FAILED, EVENTLOG_WARNING_TYPE, "s", pItem);
906 }
907 free(m_pszExtParamList);
908 }
909 if (m_pszShExtParamList != NULL)
910 {
e6c91aac 911 for(pItem = pEnd = m_pszShExtParamList; pEnd != NULL && *pItem != 0; pItem = pEnd + 1)
5039dede 912 {
f3387429 913 pEnd = _tcschr(pItem, _T('\n'));
5039dede
AK
914 if (pEnd != NULL)
915 *pEnd = 0;
916 StrStrip(pItem);
b5ded63e 917 if (!AddExternalParameter(pItem, TRUE, FALSE))
5039dede
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918 nxlog_write(MSG_ADD_EXT_PARAM_FAILED, EVENTLOG_WARNING_TYPE, "s", pItem);
919 }
920 free(m_pszShExtParamList);
921 }
922
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923 // Parse external lists
924 if (m_pszExtListsList != NULL)
925 {
926 for(pItem = pEnd = m_pszExtListsList; pEnd != NULL && *pItem != 0; pItem = pEnd + 1)
927 {
928 pEnd = _tcschr(pItem, _T('\n'));
929 if (pEnd != NULL)
930 *pEnd = 0;
931 StrStrip(pItem);
932 if (!AddExternalParameter(pItem, FALSE, TRUE))
933 nxlog_write(MSG_ADD_EXT_PARAM_FAILED, EVENTLOG_WARNING_TYPE, "s", pItem);
934 }
935 free(m_pszExtListsList);
936 }
937
9795113c
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938 // Parse external parameters providers list
939 if (m_pszParamProviderList != NULL)
940 {
941 for(pItem = pEnd = m_pszParamProviderList; pEnd != NULL && *pItem != 0; pItem = pEnd + 1)
942 {
f3387429 943 pEnd = _tcschr(pItem, _T('\n'));
9795113c
VK
944 if (pEnd != NULL)
945 *pEnd = 0;
946 StrStrip(pItem);
947 if (!AddParametersProvider(pItem))
948 nxlog_write(MSG_ADD_PARAM_PROVIDER_FAILED, EVENTLOG_WARNING_TYPE, "s", pItem);
949 }
950 free(m_pszParamProviderList);
951 }
952
204ace22 953 // Parse external subagents list
0df58041 954 if (!(g_dwFlags & AF_SUBAGENT_LOADER) && (m_pszExtSubagentList != NULL))
204ace22
VK
955 {
956 for(pItem = pEnd = m_pszExtSubagentList; pEnd != NULL && *pItem != 0; pItem = pEnd + 1)
957 {
f3387429 958 pEnd = _tcschr(pItem, _T('\n'));
204ace22
VK
959 if (pEnd != NULL)
960 *pEnd = 0;
961 StrStrip(pItem);
962 if (!AddExternalSubagent(pItem))
963 nxlog_write(MSG_ADD_EXTERNAL_SUBAGENT_FAILED, EVENTLOG_WARNING_TYPE, "s", pItem);
964 }
965 free(m_pszExtSubagentList);
966 }
967
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968 // Parse application agents list
969 if (!(g_dwFlags & AF_SUBAGENT_LOADER) && (m_pszAppAgentList != NULL))
970 {
971 for(pItem = pEnd = m_pszAppAgentList; pEnd != NULL && *pItem != 0; pItem = pEnd + 1)
972 {
973 pEnd = _tcschr(pItem, _T('\n'));
974 if (pEnd != NULL)
975 *pEnd = 0;
976 StrStrip(pItem);
977 RegisterApplicationAgent(pItem);
978 }
979 free(m_pszAppAgentList);
980 }
981
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982 ThreadSleep(1);
983
984 // If StartupDelay is greater than zero, then wait
985 if (g_dwStartupDelay > 0)
986 {
987 if (g_dwFlags & AF_DAEMON)
988 {
989 ThreadSleep(g_dwStartupDelay);
990 }
991 else
992 {
967893bb 993 UINT32 i;
5039dede 994
f3387429 995 _tprintf(_T("XXXXXX%*s]\rWAIT ["), g_dwStartupDelay, _T(" "));
5039dede
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996 fflush(stdout);
997 for(i = 0; i < g_dwStartupDelay; i++)
998 {
999 ThreadSleep(1);
f3387429 1000 _puttc(_T('.'), stdout);
5039dede
AK
1001 fflush(stdout);
1002 }
f3387429 1003 _tprintf(_T("\n"));
5039dede
AK
1004 }
1005 }
1006
9795113c
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1007 StartParamProvidersPoller();
1008
5039dede
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1009 // Agent start time
1010 g_tmAgentStartTime = time(NULL);
1011
76b42c1e 1012 s_eventSenderThread = ThreadCreateEx(TrapSender, 0, NULL);
489b117b 1013
685508a7 1014 if (g_dwFlags & AF_ENABLE_SNMP_TRAP_PROXY)
489b117b 1015 {
76b42c1e
VK
1016 s_snmpTrapSenderThread = ThreadCreateEx(SNMPTrapSender, 0, NULL);
1017 s_snmpTrapReceiverThread = ThreadCreateEx(SNMPTrapReceiver, 0, NULL);
489b117b 1018 }
1019
685508a7
VK
1020 if (g_dwFlags & AF_ENABLE_SYSLOG_PROXY)
1021 {
1022 s_syslogSenderThread = ThreadCreateEx(SyslogSender, 0, NULL);
1023 s_syslogReceiverThread = ThreadCreateEx(SyslogReceiver, 0, NULL);
1024 }
1025
0df58041
VK
1026 if (g_dwFlags & AF_SUBAGENT_LOADER)
1027 {
76b42c1e 1028 s_masterAgentListenerThread = ThreadCreateEx(MasterAgentListener, 0, NULL);
0df58041
VK
1029 }
1030 else
1031 {
1032 // Start network listener and session watchdog
87fff547 1033 StartLocalDataCollector();
76b42c1e
VK
1034 s_listenerThread = ThreadCreateEx(ListenerThread, 0, NULL);
1035 s_sessionWatchdogThread = ThreadCreateEx(SessionWatchdog, 0, NULL);
0bd64860 1036 StartPushConnector();
a2a24e9d 1037 StartStorageDiscoveryConnector();
9c786c0f 1038 StartSessionAgentConnector();
f918b160
VK
1039 if (g_dwFlags & AF_ENABLE_CONTROL_CONNECTOR)
1040 {
1041 StartControlConnector();
1042 }
a854d114
VK
1043
1044 if (g_dwFlags & AF_REGISTER)
1045 {
1046 RegisterOnServer(g_szRegistrar);
1047 }
842378a4
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1048
1049 s_tunnelManagerThread = ThreadCreateEx(TunnelManager, 0, NULL);
1050 }
5039dede 1051
968031d9 1052#if defined(_WIN32)
76b42c1e 1053 s_shutdownCondition = ConditionCreate(TRUE);
5039dede
AK
1054#endif
1055 ThreadSleep(1);
1056
9fcdfda7 1057 // Start watchdog process
0df58041
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1058 if (!(g_dwFlags & AF_SUBAGENT_LOADER))
1059 {
1060 if (g_dwFlags & AF_ENABLE_WATCHDOG)
1061 StartWatchdog();
1062 }
9fcdfda7 1063
359784de 1064 // Delete file used for upgrade if exists
ac7a2e92
TD
1065 TCHAR upgradeFileName[MAX_PATH];
1066 ReadRegistryAsString(_T("upgrade.file"), upgradeFileName, MAX_PATH, _T(""));
1067 if(upgradeFileName[0] != 0)
1068 {
1069 _tremove(upgradeFileName);
1070 DeleteRegistryEntry(_T("upgrade.file"));
1071 }
80f2318b 1072
b123ecb3 1073 //Update policy inventory according to files that exist on file system
1074 UpdatePolicyInventory();
1075
5039dede
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1076 return TRUE;
1077}
1078
605fc935
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1079/**
1080 * Shutdown agent
1081 */
0df58041 1082void Shutdown()
5039dede 1083{
8e954797 1084 DebugPrintf(INVALID_INDEX, 2, _T("Shutdown() called"));
9fcdfda7
VK
1085 if (g_dwFlags & AF_ENABLE_WATCHDOG)
1086 StopWatchdog();
1087
5039dede 1088 g_dwFlags |= AF_SHUTDOWN;
53720bbf 1089 ConditionSet(s_subAgentsStopCondition);
0df58041
VK
1090
1091 if (g_dwFlags & AF_SUBAGENT_LOADER)
1092 {
639088d4 1093 // TODO: shall we inform master agent listener about shutdown?
76b42c1e 1094 //ThreadJoin(s_masterAgentListenerThread);
0df58041
VK
1095 }
1096 else
1097 {
87fff547 1098 ShutdownLocalDataCollector();
0df58041 1099 ShutdownTrapSender();
76b42c1e
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1100 ThreadJoin(s_sessionWatchdogThread);
1101 ThreadJoin(s_listenerThread);
842378a4 1102 ThreadJoin(s_tunnelManagerThread);
0df58041 1103 }
76b42c1e 1104 ThreadJoin(s_eventSenderThread);
685508a7 1105 if (g_dwFlags & AF_ENABLE_SNMP_TRAP_PROXY)
489b117b 1106 {
1107 ShutdownSNMPTrapSender();
76b42c1e
VK
1108 ThreadJoin(s_snmpTrapReceiverThread);
1109 ThreadJoin(s_snmpTrapSenderThread);
489b117b 1110 }
685508a7
VK
1111 if (g_dwFlags & AF_ENABLE_SYSLOG_PROXY)
1112 {
1113 ShutdownSyslogSender();
1114 ThreadJoin(s_syslogReceiverThread);
1115 ThreadJoin(s_syslogSenderThread);
1116 }
5039dede 1117
13783551
VK
1118 DestroySessionList();
1119 MsgWaitQueue::shutdown();
d87ddcc2 1120
83191808
VK
1121 if (g_dwFlags & AF_ENABLE_SNMP_PROXY)
1122 {
1123 ThreadPoolDestroy(g_snmpProxyThreadPool);
1124 }
1125
5039dede 1126 UnloadAllSubAgents();
c72b812a 1127 CloseLocalDatabase();
5039dede
AK
1128 nxlog_write(MSG_AGENT_STOPPED, EVENTLOG_INFORMATION_TYPE, NULL);
1129 nxlog_close();
1130
74a1472d
VK
1131 delete g_config;
1132
5039dede
AK
1133 // Notify main thread about shutdown
1134#ifdef _WIN32
76b42c1e 1135 ConditionSet(s_shutdownCondition);
5039dede 1136#endif
cc022855 1137
5039dede 1138 // Remove PID file
968031d9 1139#if !defined(_WIN32)
f3387429 1140 _tremove(g_szPidFile);
5039dede
AK
1141#endif
1142}
1143
605fc935
VK
1144/**
1145 * Common Main()
1146 */
8ec102ac 1147void Main()
5039dede 1148{
8ec102ac 1149 nxlog_write(MSG_AGENT_STARTED, NXLOG_INFO, NULL);
5039dede
AK
1150
1151 if (g_dwFlags & AF_DAEMON)
1152 {
968031d9 1153#if defined(_WIN32)
76b42c1e 1154 ConditionWait(s_shutdownCondition, INFINITE);
5039dede
AK
1155#else
1156 StartMainLoop(SignalHandler, NULL);
1157#endif
1158 }
1159 else
1160 {
1161#if defined(_WIN32)
1162 if (g_dwFlags & AF_HIDE_WINDOW)
1163 {
1164 HWND hWnd;
1165
1166 hWnd = GetConsoleHWND();
1167 if (hWnd != NULL)
1168 ShowWindow(hWnd, SW_HIDE);
76b42c1e 1169 ConditionWait(s_shutdownCondition, INFINITE);
5039dede
AK
1170 ThreadSleep(1);
1171 }
1172 else
1173 {
f3387429 1174 _tprintf(_T("Agent running. Press ESC to shutdown.\n"));
5039dede
AK
1175 while(1)
1176 {
3973f74b 1177 if (_getch() == 27)
5039dede
AK
1178 break;
1179 }
f3387429 1180 _tprintf(_T("Agent shutting down...\n"));
5039dede
AK
1181 Shutdown();
1182 }
5039dede 1183#else
f3387429 1184 _tprintf(_T("Agent running. Press Ctrl+C to shutdown.\n"));
5039dede 1185 StartMainLoop(SignalHandler, NULL);
f3387429 1186 _tprintf(_T("\nStopping agent...\n"));
5039dede
AK
1187#endif
1188 }
1189}
1190
605fc935
VK
1191/**
1192 * Do necessary actions on agent restart
1193 */
967893bb 1194static void DoRestartActions(UINT32 dwOldPID)
5039dede
AK
1195{
1196#if defined(_WIN32)
1197 if (dwOldPID == 0)
1198 {
1199 // Service
1200 StopAgentService();
1201 WaitForService(SERVICE_STOPPED);
1202 StartAgentService();
1203 ExitProcess(0);
1204 }
1205 else
1206 {
1207 HANDLE hProcess;
1208
1209 hProcess = OpenProcess(SYNCHRONIZE | PROCESS_TERMINATE, FALSE, dwOldPID);
1210 if (hProcess != NULL)
1211 {
1212 if (WaitForSingleObject(hProcess, 60000) == WAIT_TIMEOUT)
1213 {
1214 TerminateProcess(hProcess, 0);
1215 }
1216 CloseHandle(hProcess);
1217 }
1218 }
5039dede
AK
1219#else
1220 int i;
1221
1222 kill(dwOldPID, SIGTERM);
1223 for(i = 0; i < 30; i++)
1224 {
1225 sleep(2);
1226 if (kill(dwOldPID, SIGCONT) == -1)
1227 break;
1228 }
cc022855 1229
5039dede
AK
1230 // Kill previous instance of agent if it's still running
1231 if (i == 30)
1232 kill(dwOldPID, SIGKILL);
1233#endif
1234}
1235
605fc935
VK
1236/**
1237 * Create configuration file
1238 */
f3387429
VK
1239static int CreateConfig(const char *pszServer, const char *pszLogFile, const char *pszFileStore,
1240 const char *configIncludeDir, int iNumSubAgents, char **ppszSubAgentList)
5039dede
AK
1241{
1242 FILE *fp;
1243 time_t currTime;
1244 int i;
1245
1246 if (_taccess(g_szConfigFile, 0) == 0)
1247 return 0; // File already exist, we shouldn't overwrite it
1248
1249 fp = _tfopen(g_szConfigFile, _T("w"));
1250 if (fp != NULL)
1251 {
1252 currTime = time(NULL);
1253 _ftprintf(fp, _T("#\n# NetXMS agent configuration file\n# Created by agent installer at %s#\n\n"),
1254 _tctime(&currTime));
f3387429 1255 _ftprintf(fp, _T("MasterServers = %hs\nConfigIncludeDir = %hs\nLogFile = %hs\nFileStore = %hs\n"),
48dd3c80 1256 pszServer, configIncludeDir, pszLogFile, pszFileStore);
5039dede 1257 for(i = 0; i < iNumSubAgents; i++)
f3387429 1258 _ftprintf(fp, _T("SubAgent = %hs\n"), ppszSubAgentList[i]);
5039dede
AK
1259 fclose(fp);
1260 }
1261 return (fp != NULL) ? 0 : 2;
1262}
1263
ed950274
VK
1264/**
1265 * Init config
1266 */
e6c91aac
VK
1267static void InitConfig()
1268{
1269 g_config = new Config();
8a0dffac 1270 g_config->setTopLevelTag(_T("config"));
c72b812a
VK
1271
1272 // Set default data directory on Windows
1273#ifdef _WIN32
1274 if (SHGetFolderPath(NULL, CSIDL_LOCAL_APPDATA, NULL, SHGFP_TYPE_CURRENT, g_szDataDirectory) == S_OK)
1275 {
1276 _tcscat(g_szDataDirectory, _T("\\nxagentd"));
1277 }
1278#endif
e6c91aac
VK
1279}
1280
f918b160
VK
1281/**
1282 * Initiate shutdown of connected external subagents
1283 */
1284static void InitiateExtSubagentShutdown()
1285{
b368969c
VK
1286 NXCPMessage msg;
1287 msg.setCode(CMD_SHUTDOWN);
f918b160
VK
1288 if (SendControlMessage(&msg))
1289 _tprintf(_T("Control message sent successfully to master agent\n"));
1290 else
1291 _tprintf(_T("ERROR: Unable to send control message to master agent\n"));
1292}
1293
e4ec73da
VK
1294#ifndef _WIN32
1295
1296/**
1297 * Get user ID
1298 */
1299static int GetUserId(char *name)
1300{
1301 char *eptr;
1302 int id = (int)strtol(name, &eptr, 10);
1303 if (*eptr == 0)
1304 return id;
1305
1306#if HAVE_GETPWNAM
1307 struct passwd *p = getpwnam(name);
1308 if (p == NULL)
1309 {
1310 _tprintf(_T("Invalid user ID \"%hs\"\n"), name);
1311 return 0;
1312 }
1313 return p->pw_uid;
1314#else
1315 _tprintf(_T("Invalid user ID \"%hs\"\n"), name);
1316 return 0;
1317#endif
1318}
1319
1320/**
1321 * Get group ID
1322 */
1323static int GetGroupId(char *name)
1324{
1325 char *eptr;
1326 int id = (int)strtol(name, &eptr, 10);
1327 if (*eptr == 0)
1328 return id;
1329
1330#if HAVE_GETGRNAM
1331 struct group *g = getgrnam(name);
1332 if (g == NULL)
1333 {
1334 _tprintf(_T("Invalid group ID \"%hs\"\n"), name);
1335 return 0;
1336 }
1337 return g->gr_gid;
1338#else
1339 _tprintf(_T("Invalid group ID \"%hs\"\n"), name);
1340 return 0;
1341#endif
1342}
1343
1344#endif
1345
2295e8f5
VK
1346/**
1347 * Application entry point
1348 */
5039dede
AK
1349int main(int argc, char *argv[])
1350{
1351 int ch, iExitCode = 0, iAction = ACTION_RUN_AGENT;
1352 BOOL bRestart = FALSE;
967893bb 1353 UINT32 dwOldPID, dwMainPID;
f3387429 1354 char *eptr;
5039dede 1355#ifdef _WIN32
bf3b7f79 1356 TCHAR szModuleName[MAX_PATH];
1621a079
VK
1357 HKEY hKey;
1358 DWORD dwSize;
1359#else
f3387429 1360 TCHAR *pszEnv;
e4ec73da 1361 int uid = 0, gid = 0;
5039dede
AK
1362#endif
1363
fe8ea784 1364 InitNetXMSProcess();
2295e8f5 1365
d40b6356 1366#if defined(__sun) || defined(_AIX) || defined(__hpux)
1685d106
VK
1367 signal(SIGPIPE, SIG_IGN);
1368 signal(SIGHUP, SIG_IGN);
1685d106
VK
1369 signal(SIGQUIT, SIG_IGN);
1370 signal(SIGUSR1, SIG_IGN);
1371 signal(SIGUSR2, SIG_IGN);
1372#endif
1373
1621a079
VK
1374 // Check for alternate config file location
1375#ifdef _WIN32
1376 if (RegOpenKeyEx(HKEY_LOCAL_MACHINE, _T("Software\\NetXMS\\Agent"), 0, KEY_QUERY_VALUE, &hKey) == ERROR_SUCCESS)
1377 {
1378 dwSize = MAX_PATH * sizeof(TCHAR);
1379 RegQueryValueEx(hKey, _T("ConfigFile"), NULL, NULL, (BYTE *)g_szConfigFile, &dwSize);
42acd918 1380 dwSize = MAX_PATH * sizeof(TCHAR);
1621a079
VK
1381 RegQueryValueEx(hKey, _T("ConfigIncludeDir"), NULL, NULL, (BYTE *)g_szConfigIncludeDir, &dwSize);
1382 RegCloseKey(hKey);
1383 }
1384#else
1385 pszEnv = _tgetenv(_T("NXAGENTD_CONFIG"));
1386 if (pszEnv != NULL)
1387 nx_strncpy(g_szConfigFile, pszEnv, MAX_PATH);
1388
1389 pszEnv = _tgetenv(_T("NXAGENTD_CONFIG_D"));
1390 if (pszEnv != NULL)
1391 nx_strncpy(g_szConfigIncludeDir, pszEnv, MAX_PATH);
1392#endif
1393
5039dede
AK
1394 // Parse command line
1395 if (argc == 1)
1396 iAction = ACTION_HELP;
1397 opterr = 1;
1398 while((ch = getopt(argc, argv, VALID_OPTIONS)) != -1)
1399 {
1400 switch(ch)
1401 {
e4ec73da
VK
1402 case 'c': // Configuration file
1403#ifdef UNICODE
1404 MultiByteToWideChar(CP_ACP, MB_PRECOMPOSED, optarg, -1, g_szConfigFile, MAX_PATH);
1405 g_szConfigFile[MAX_PATH - 1] = 0;
1406#else
1407 nx_strncpy(g_szConfigFile, optarg, MAX_PATH);
1408#endif
5039dede 1409 break;
e4ec73da
VK
1410 case 'C': // Configuration check only
1411 iAction = ACTION_CHECK_CONFIG;
f918b160 1412 break;
5039dede
AK
1413 case 'd': // Run as daemon
1414 g_dwFlags |= AF_DAEMON;
1415 break;
5039dede 1416 case 'D': // Turn on debug output
2df047f4
VK
1417 s_debugLevel = strtoul(optarg, &eptr, 0);
1418 if ((*eptr != 0) || (s_debugLevel > 9))
c303351c
VK
1419 {
1420 fprintf(stderr, "Invalid debug level: %s\n", optarg);
1421 iAction = -1;
1422 iExitCode = 1;
1423 }
5039dede 1424 break;
e4ec73da
VK
1425 case 'f': // Run in foreground
1426 g_dwFlags &= ~AF_DAEMON;
1427 break;
1428#ifndef _WIN32
1429 case 'g': // set group ID
1430 gid = GetGroupId(optarg);
1431 break;
f3387429 1432#endif
e4ec73da
VK
1433 case 'h': // Display help and exit
1434 iAction = ACTION_HELP;
5039dede 1435 break;
e4ec73da
VK
1436#ifdef _WIN32
1437 case 'H': // Hide window
1438 g_dwFlags |= AF_HIDE_WINDOW;
1439 break;
1440#endif
1441 case 'K': // Shutdown external sub-agents
1442 iAction = ACTION_SHUTDOWN_EXT_AGENTS;
1443 break;
1444#ifndef _WIN32
5039dede 1445 case 'p': // PID file
f3387429
VK
1446#ifdef UNICODE
1447 MultiByteToWideChar(CP_ACP, MB_PRECOMPOSED, optarg, -1, g_szPidFile, MAX_PATH);
1448 g_szPidFile[MAX_PATH - 1] = 0;
1449#else
5039dede 1450 nx_strncpy(g_szPidFile, optarg, MAX_PATH);
f3387429 1451#endif
5039dede
AK
1452 break;
1453#endif
5039dede
AK
1454 case 'M':
1455 g_dwFlags |= AF_CENTRAL_CONFIG;
f3387429
VK
1456#ifdef UNICODE
1457 MultiByteToWideChar(CP_ACP, MB_PRECOMPOSED, optarg, -1, g_szConfigServer, MAX_DB_STRING);
1458 g_szConfigServer[MAX_DB_STRING - 1] = 0;
1459#else
5039dede 1460 nx_strncpy(g_szConfigServer, optarg, MAX_DB_STRING);
f3387429 1461#endif
5039dede
AK
1462 break;
1463 case 'r':
1464 g_dwFlags |= AF_REGISTER;
f3387429
VK
1465#ifdef UNICODE
1466 MultiByteToWideChar(CP_ACP, MB_PRECOMPOSED, optarg, -1, g_szRegistrar, MAX_DB_STRING);
1467 g_szRegistrar[MAX_DB_STRING - 1] = 0;
1468#else
5039dede 1469 nx_strncpy(g_szRegistrar, optarg, MAX_DB_STRING);
f3387429 1470#endif
5039dede
AK
1471 break;
1472 case 'P': // Platform suffix
f3387429
VK
1473#ifdef UNICODE
1474 MultiByteToWideChar(CP_ACP, MB_PRECOMPOSED, optarg, -1, g_szPlatformSuffix, MAX_PSUFFIX_LENGTH);
1475 g_szPlatformSuffix[MAX_PSUFFIX_LENGTH - 1] = 0;
1476#else
5039dede 1477 nx_strncpy(g_szPlatformSuffix, optarg, MAX_PSUFFIX_LENGTH);
f3387429 1478#endif
5039dede 1479 break;
e4ec73da
VK
1480#ifndef _WIN32
1481 case 'u': // set user ID
1482 uid = GetUserId(optarg);
1483 break;
1484#endif
1485 case 'v': // Print version and exit
f62b7eab 1486 _tprintf(_T("NetXMS Core Agent Version ") AGENT_VERSION_STRING _T(" Build ") NETXMS_VERSION_BUILD_STRING _T(" (") NETXMS_BUILD_TAG _T(")") IS_UNICODE_BUILD_STRING _T("\n"));
e4ec73da 1487 iAction = ACTION_NONE;
5039dede 1488 break;
9fcdfda7
VK
1489 case 'W': // Watchdog process
1490 iAction = ACTION_RUN_WATCHDOG;
1491 dwMainPID = strtoul(optarg, NULL, 10);
1492 break;
e4ec73da
VK
1493 case 'X': // Agent is being restarted
1494 bRestart = TRUE;
1495 dwOldPID = strtoul(optarg, NULL, 10);
1496 break;
5039dede
AK
1497 case 'Z': // Create configuration file
1498 iAction = ACTION_CREATE_CONFIG;
f3387429
VK
1499#ifdef UNICODE
1500 MultiByteToWideChar(CP_ACP, MB_PRECOMPOSED, optarg, -1, g_szConfigFile, MAX_PATH);
1501 g_szConfigFile[MAX_PATH - 1] = 0;
1502#else
5039dede 1503 nx_strncpy(g_szConfigFile, optarg, MAX_PATH);
f3387429 1504#endif
5039dede
AK
1505 break;
1506#ifdef _WIN32
175bd003
VK
1507 case 'i':
1508 g_dwFlags |= AF_INTERACTIVE_SERVICE;
1509 break;
5039dede
AK
1510 case 'I': // Install Windows service
1511 iAction = ACTION_INSTALL_SERVICE;
1512 break;
1513 case 'R': // Remove Windows service
1514 iAction = ACTION_REMOVE_SERVICE;
1515 break;
1516 case 's': // Start Windows service
1517 iAction = ACTION_START_SERVICE;
1518 break;
1519 case 'S': // Stop Windows service
1520 iAction = ACTION_STOP_SERVICE;
1521 break;
1522 case 'E': // Install Windows event source
1523 iAction = ACTION_INSTALL_EVENT_SOURCE;
1524 break;
1525 case 'U': // Remove Windows event source
1526 iAction = ACTION_REMOVE_EVENT_SOURCE;
1527 break;
9f96fc88 1528 case 'e': // Event source name
7ee7f8bc
VK
1529#ifdef UNICODE
1530 MultiByteToWideChar(CP_ACP, MB_PRECOMPOSED, optarg, -1, g_windowsEventSourceName, MAX_PATH);
1531 g_windowsEventSourceName[MAX_PATH - 1] = 0;
1532#else
9f96fc88 1533 nx_strncpy(g_windowsEventSourceName, optarg, MAX_PATH);
7ee7f8bc 1534#endif
9f96fc88
VK
1535 break;
1536 case 'n': // Service name
7ee7f8bc
VK
1537#ifdef UNICODE
1538 MultiByteToWideChar(CP_ACP, MB_PRECOMPOSED, optarg, -1, g_windowsServiceName, MAX_PATH);
1539 g_windowsServiceName[MAX_PATH - 1] = 0;
1540#else
9f96fc88 1541 nx_strncpy(g_windowsServiceName, optarg, MAX_PATH);
7ee7f8bc 1542#endif
9f96fc88
VK
1543 break;
1544 case 'N': // Service display name
f3387429
VK
1545#ifdef UNICODE
1546 MultiByteToWideChar(CP_ACP, MB_PRECOMPOSED, optarg, -1, g_windowsServiceDisplayName, MAX_PATH);
1547 g_windowsServiceDisplayName[MAX_PATH - 1] = 0;
1548#else
9f96fc88 1549 nx_strncpy(g_windowsServiceDisplayName, optarg, MAX_PATH);
f3387429 1550#endif
9f96fc88 1551 break;
5039dede
AK
1552#endif
1553 case '?':
1554 iAction = ACTION_HELP;
1555 iExitCode = 1;
1556 break;
1557 default:
1558 break;
1559 }
1560 }
1561
968031d9 1562#if !defined(_WIN32)
5039dede
AK
1563 if (!_tcscmp(g_szConfigFile, _T("{search}")))
1564 {
f31c22b3
VK
1565 TCHAR path[MAX_PATH] = _T("");
1566 const TCHAR *homeDir = _tgetenv(_T("NETXMS_HOME"));
1567 if (homeDir != NULL)
1568 {
1569 _sntprintf(path, MAX_PATH, _T("%s/etc/nxagentd.conf"), homeDir);
1570 }
1571 if ((path[0] != 0) && (_taccess(path, 4) == 0))
1572 {
1573 _tcscpy(g_szConfigFile, path);
1574 }
1575 else if (_taccess(PREFIX _T("/etc/nxagentd.conf"), 4) == 0)
5039dede 1576 {
f3387429 1577 _tcscpy(g_szConfigFile, PREFIX _T("/etc/nxagentd.conf"));
5039dede 1578 }
a1716ea0
VK
1579 else if (_taccess(_T("/Database/etc/nxagentd.conf"), 4) == 0) // for ZeroShell
1580 {
1581 _tcscpy(g_szConfigFile, _T("/Database/etc/nxagentd.conf"));
1582 }
f3387429 1583 else if (_taccess(_T("/usr/etc/nxagentd.conf"), 4) == 0)
5039dede 1584 {
f3387429 1585 _tcscpy(g_szConfigFile, _T("/usr/etc/nxagentd.conf"));
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1586 }
1587 else
1588 {
f3387429 1589 _tcscpy(g_szConfigFile, _T("/etc/nxagentd.conf"));
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1590 }
1591 }
80ce37ac 1592 if (!_tcscmp(g_szConfigIncludeDir, _T("{search}")))
abf35d58 1593 {
f31c22b3
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1594 TCHAR path[MAX_PATH] = _T("");
1595 const TCHAR *homeDir = _tgetenv(_T("NETXMS_HOME"));
1596 if (homeDir != NULL)
1597 {
1598 _sntprintf(path, MAX_PATH, _T("%s/etc/nxagentd.conf.d"), homeDir);
1599 }
1600 if ((path[0] != 0) && (_taccess(path, 4) == 0))
1601 {
1602 _tcscpy(g_szConfigIncludeDir, path);
1603 }
1604 else if (_taccess(PREFIX _T("/etc/nxagentd.conf.d"), 4) == 0)
abf35d58 1605 {
f3387429 1606 _tcscpy(g_szConfigIncludeDir, PREFIX _T("/etc/nxagentd.conf.d"));
abf35d58 1607 }
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1608 else if (_taccess(_T("/Database/etc/nxagentd.conf.d"), 4) == 0)
1609 {
1610 _tcscpy(g_szConfigIncludeDir, _T("/Database/etc/nxagentd.conf.d"));
1611 }
f3387429 1612 else if (_taccess(_T("/usr/etc/nxagentd.conf.d"), 4) == 0)
abf35d58 1613 {
f3387429 1614 _tcscpy(g_szConfigIncludeDir, _T("/usr/etc/nxagentd.conf.d"));
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1615 }
1616 else
1617 {
f3387429 1618 _tcscpy(g_szConfigIncludeDir, _T("/etc/nxagentd.conf.d"));
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1619 }
1620 }
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1621#else
1622 if (!_tcscmp(g_szConfigFile, _T("{search}")))
1623 {
1624 TCHAR path[MAX_PATH];
1625 GetNetXMSDirectory(nxDirEtc, path);
1626 _tcscat(path, _T("\\nxagentd.conf"));
1627 if (_taccess(path, 4) == 0)
1628 {
1629 _tcscpy(g_szConfigFile, path);
1630 }
1631 else
1632 {
1633 _tcscpy(g_szConfigFile, _T("C:\\nxagentd.conf"));
1634 }
1635 }
1636 if (!_tcscmp(g_szConfigIncludeDir, _T("{search}")))
1637 {
1638 TCHAR path[MAX_PATH];
1639 GetNetXMSDirectory(nxDirEtc, path);
1640 _tcscat(path, _T("\\nxagentd.conf.d"));
1641 if (_taccess(path, 4) == 0)
1642 {
1643 _tcscpy(g_szConfigIncludeDir, path);
1644 }
1645 else
1646 {
1647 _tcscpy(g_szConfigIncludeDir, _T("C:\\nxagentd.conf.d"));
1648 }
1649 }
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1650#endif
1651
1652 if (bRestart)
1653 DoRestartActions(dwOldPID);
1654
a1716ea0 1655 InitConfig();
e6c91aac 1656
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1657 // Do requested action
1658 switch(iAction)
1659 {
1660 case ACTION_RUN_AGENT:
1661 // Set default value for session idle timeout based on
1662 // connect() timeout, if possible
1663#if HAVE_SYSCTLBYNAME && !defined(_IPSO)
1664 {
1665 LONG nVal;
1666 size_t nSize;
1667
1668 nSize = sizeof(nVal);
1669 if (sysctlbyname("net.inet.tcp.keepinit", &nVal, &nSize, NULL, 0) == 0)
1670 {
1671 g_dwIdleTimeout = nVal / 1000 + 15;
1672 }
1673 }
1674#endif
1675
1676 if (g_dwFlags & AF_CENTRAL_CONFIG)
1677 {
2df047f4 1678 if (s_debugLevel > 0)
f3387429 1679 _tprintf(_T("Downloading configuration from %s...\n"), g_szConfigServer);
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1680 if (DownloadConfig(g_szConfigServer))
1681 {
2df047f4 1682 if (s_debugLevel > 0)
f3387429 1683 _tprintf(_T("Configuration downloaded successfully\n"));
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1684 }
1685 else
1686 {
2df047f4 1687 if (s_debugLevel > 0)
f3387429 1688 _tprintf(_T("Configuration download failed\n"));
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AK
1689 }
1690 }
1691
abf35d58 1692 if (g_config->loadConfig(g_szConfigFile, _T("agent")))
e6c91aac 1693 {
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AK
1694 const TCHAR *dir = g_config->getValue(_T("/agent/ConfigIncludeDir"));
1695 if (dir != NULL)
6ca3b41c
VK
1696 nx_strncpy(g_szConfigIncludeDir, dir, MAX_PATH);
1697 g_config->loadConfigDirectory(g_szConfigIncludeDir, _T("agent"));
abf35d58
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1698 if (g_config->parseTemplate(_T("agent"), m_cfgTemplate))
1699 {
07ca7d19 1700 DecryptPassword(_T("netxms"), g_szSharedSecret, g_szSharedSecret, MAX_SECRET_LENGTH);
2b58ee20 1701
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AK
1702 // try to guess executable path
1703#ifdef _WIN32
5a0d14cf 1704 GetModuleFileName(GetModuleHandle(NULL), s_executableName, MAX_PATH);
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AK
1705#else
1706#ifdef UNICODE
1707 char __buffer[PATH_MAX];
1708#else
5a0d14cf 1709#define __buffer s_executableName
134c8b79
AK
1710#endif
1711 if (realpath(argv[0], __buffer) == NULL)
1712 {
1713 // fallback
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AK
1714 TCHAR *path = _tgetenv(_T("NETXMS_HOME"));
1715 if (path != NULL)
1716 {
1717 nx_strncpy(s_executableName, path, sizeof(s_executableName) / sizeof(s_executableName[0]));
1718 }
1719 else
1720 {
1721 nx_strncpy(s_executableName, PREFIX, sizeof(s_executableName) / sizeof(s_executableName[0]));
1722 }
1723 _tcsncat(s_executableName, _T("/bin/nxagentd"), sizeof(s_executableName) / sizeof(s_executableName[0]));
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1724 }
1725 else
1726 {
1727#ifdef UNICODE
1728 int len = strlen(__buffer);
5a0d14cf 1729 MultiByteToWideChar(CP_ACP, MB_PRECOMPOSED, __buffer, len, s_executableName, len);
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1730#endif
1731 }
1732#endif
1733
0bbab9d3 1734 // Set exception handler
9fcdfda7 1735#ifdef _WIN32
abf35d58 1736 if (g_dwFlags & AF_CATCH_EXCEPTIONS)
e5e015dd 1737 SetExceptionHandler(SEHServiceExceptionHandler, SEHServiceExceptionDataWriter, s_dumpDir,
bf3b7f79 1738 _T("nxagentd"), MSG_EXCEPTION, g_dwFlags & AF_WRITE_FULL_DUMP, !(g_dwFlags & AF_DAEMON));
abf35d58 1739 __try {
9fcdfda7 1740#endif
cc022855 1741 if ((!_tcsicmp(g_szLogFile, _T("{syslog}"))) ||
bf3b7f79 1742 (!_tcsicmp(g_szLogFile, _T("{eventlog}"))))
abf35d58 1743 g_dwFlags |= AF_USE_SYSLOG;
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1744
1745#ifdef _WIN32
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VK
1746 if (g_dwFlags & AF_DAEMON)
1747 {
1748 InitService();
1749 }
1750 else
1751 {
1752 if (Initialize())
1753 {
1754 Main();
1755 }
1756 else
1757 {
bf3b7f79 1758 ConsolePrintf(_T("Agent initialization failed\n"));
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VK
1759 nxlog_close();
1760 iExitCode = 3;
1761 }
1762 }
5039dede 1763#else /* _WIN32 */
abf35d58 1764 if (g_dwFlags & AF_DAEMON)
f31c22b3 1765 {
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VK
1766 if (daemon(0, 0) == -1)
1767 {
1768 perror("Unable to setup itself as a daemon");
1769 iExitCode = 4;
1770 }
f31c22b3 1771 }
abf35d58 1772 if (iExitCode == 0)
f31c22b3 1773 {
6d570a15
VK
1774#ifndef _WIN32
1775 if (gid == 0)
1776 {
1777 const TCHAR *v = g_config->getValue(_T("/agent/GroupId"));
1778 if (v != NULL)
1779 {
1780#ifdef UNICODE
1781 char vmb[64];
1782 WideCharToMultiByte(CP_ACP, WC_DEFAULTCHAR | WC_COMPOSITECHECK, v, -1, vmb, 64, NULL, NULL);
1783 vmb[63] = 0;
1784 gid = GetGroupId(vmb);
1785#else
1786 gid = GetGroupId(v);
1787#endif
1788 }
1789 }
1790 if (uid == 0)
1791 {
1792 const TCHAR *v = g_config->getValue(_T("/agent/UserId"));
1793 if (v != NULL)
1794 {
1795#ifdef UNICODE
1796 char vmb[64];
1797 WideCharToMultiByte(CP_ACP, WC_DEFAULTCHAR | WC_COMPOSITECHECK, v, -1, vmb, 64, NULL, NULL);
1798 vmb[63] = 0;
1799 uid = GetUserId(vmb);
1800#else
1801 uid = GetUserId(v);
1802#endif
1803 }
1804 }
1805
1806 if (gid > 0)
1807 {
1808 if (setgid(gid) != 0)
1809 _tprintf(_T("setgid(%d) call failed (%s)\n"), gid, _tcserror(errno));
1810 }
1811 if (uid > 0)
1812 {
1813 if (setuid(uid) != 0)
1814 _tprintf(_T("setuid(%d) call failed (%s)\n"), uid, _tcserror(errno));
1815 }
1816#endif
1817
76b42c1e 1818 s_pid = getpid();
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1819 if (Initialize())
1820 {
abf35d58
VK
1821 FILE *fp;
1822
1823 // Write PID file
f3387429 1824 fp = _tfopen(g_szPidFile, _T("w"));
abf35d58
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1825 if (fp != NULL)
1826 {
76b42c1e 1827 _ftprintf(fp, _T("%d"), s_pid);
abf35d58 1828 fclose(fp);
cc022855 1829 }
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1830 Main();
1831 Shutdown();
1832 }
1833 else
1834 {
bf3b7f79 1835 ConsolePrintf(_T("Agent initialization failed\n"));
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1836 nxlog_close();
1837 iExitCode = 3;
1838 }
1839 }
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1840#endif /* _WIN32 */
1841
968031d9 1842#if defined(_WIN32)
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1843 if (s_shutdownCondition != INVALID_CONDITION_HANDLE)
1844 ConditionDestroy(s_shutdownCondition);
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1845#endif
1846#ifdef _WIN32
abf35d58 1847 LIBNETXMS_EXCEPTION_HANDLER
5039dede 1848#endif
abf35d58
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1849 }
1850 else
1851 {
bf3b7f79 1852 ConsolePrintf(_T("Error parsing configuration file\n"));
abf35d58
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1853 iExitCode = 2;
1854 }
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1855 }
1856 else
1857 {
bf3b7f79 1858 ConsolePrintf(_T("Error loading configuration file\n"));
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AK
1859 iExitCode = 2;
1860 }
1861 break;
1862 case ACTION_CHECK_CONFIG:
5039dede 1863 {
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1864 bool validConfig = g_config->loadConfig(g_szConfigFile, _T("agent"), false);
1865 if (validConfig)
1866 {
1867 const TCHAR *dir = g_config->getValue(_T("/agent/ConfigIncludeDir"));
1868 if (dir != NULL)
1869 {
99877e7b 1870 validConfig = g_config->loadConfigDirectory(dir, _T("agent"), false);
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VK
1871 if (!validConfig)
1872 {
1873 ConsolePrintf(_T("Error reading additional configuration files from \"%s\"\n"), dir);
1874 }
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AK
1875 }
1876 }
1877
1878 if (validConfig)
1879 {
e77b1f4e 1880 g_config->print(stdout);
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AK
1881 validConfig = g_config->parseTemplate(_T("agent"), m_cfgTemplate);
1882 }
1883
1884 if (!validConfig)
1885 {
1886 ConsolePrintf(_T("Configuration file check failed\n"));
1887 iExitCode = 2;
1888 }
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AK
1889 }
1890 break;
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1891 case ACTION_RUN_WATCHDOG:
1892 iExitCode = WatchdogMain(dwMainPID);
1893 break;
5039dede 1894 case ACTION_CREATE_CONFIG:
f3387429
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1895 iExitCode = CreateConfig(CHECK_NULL_A(argv[optind]), CHECK_NULL_A(argv[optind + 1]),
1896 CHECK_NULL_A(argv[optind + 2]), CHECK_NULL_A(argv[optind + 3]),
1897 argc - optind - 4, &argv[optind + 4]);
5039dede 1898 break;
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1899 case ACTION_SHUTDOWN_EXT_AGENTS:
1900 InitiateExtSubagentShutdown();
1901 iExitCode = 0;
1902 break;
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1903#ifdef _WIN32
1904 case ACTION_INSTALL_SERVICE:
1905 GetModuleFileName(GetModuleHandle(NULL), szModuleName, MAX_PATH);
56ea99c3 1906 InstallService(szModuleName, g_szConfigFile, s_debugLevel);
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1907 break;
1908 case ACTION_REMOVE_SERVICE:
1909 RemoveService();
1910 break;
1911 case ACTION_INSTALL_EVENT_SOURCE:
1912 GetModuleFileName(GetModuleHandle(NULL), szModuleName, MAX_PATH);
1913 InstallEventSource(szModuleName);
1914 break;
1915 case ACTION_REMOVE_EVENT_SOURCE:
1916 RemoveEventSource();
1917 break;
1918 case ACTION_START_SERVICE:
1919 StartAgentService();
1920 break;
1921 case ACTION_STOP_SERVICE:
1922 StopAgentService();
1923 break;
1924#endif
1925 case ACTION_HELP:
f3387429 1926 _fputts(m_szHelpText, stdout);
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1927 break;
1928 default:
1929 break;
1930 }
1931
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1932 return iExitCode;
1933}