/*
** Zabbix
** Copyright (C) 2001-2022 Zabbix SIA
**
** This program is free software; you can redistribute it and/or modify
** it under the terms of the GNU General Public License as published by
** the Free Software Foundation; either version 2 of the License, or
** (at your option) any later version.
**
** This program is distributed in the hope that it will be useful,
** but WITHOUT ANY WARRANTY; without even the implied warranty of
** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
** GNU General Public License for more details.
**
** You should have received a copy of the GNU General Public License
** along with this program; if not, write to the Free Software
** Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
**/
#include "proxy.h"
#include "cfg.h"
#include "db.h"
#include "zbxdbupgrade.h"
#include "log.h"
#include "zbxgetopt.h"
#include "mutexs.h"
#include "sysinfo.h"
#include "zbxmodules.h"
#include "zbxnix.h"
#include "daemon.h"
#include "zbxself.h"
#include "../zabbix_server/dbsyncer/dbsyncer.h"
#include "../zabbix_server/discoverer/discoverer.h"
#include "../zabbix_server/httppoller/httppoller.h"
#include "housekeeper/housekeeper.h"
#include "../zabbix_server/pinger/pinger.h"
#include "../zabbix_server/poller/poller.h"
#include "../zabbix_server/trapper/trapper.h"
#include "../zabbix_server/trapper/proxydata.h"
#include "../zabbix_server/snmptrapper/snmptrapper.h"
#include "proxyconfig/proxyconfig.h"
#include "datasender/datasender.h"
#include "heart/heart.h"
#include "taskmanager/taskmanager.h"
#include "../zabbix_server/selfmon/selfmon.h"
#include "../zabbix_server/vmware/vmware.h"
#include "setproctitle.h"
#include "zbxcrypto.h"
#include "../zabbix_server/preprocessor/preproc_manager.h"
#include "../zabbix_server/preprocessor/preproc_worker.h"
#include "../zabbix_server/availability/avail_manager.h"
#include "../libs/zbxvault/vault.h"
#include "zbxdiag.h"
#include "sighandler.h"
#include "zbxrtc.h"
#ifdef HAVE_OPENIPMI
#include "../zabbix_server/ipmi/ipmi_manager.h"
#include "../zabbix_server/ipmi/ipmi_poller.h"
#endif
const char *progname = NULL;
const char title_message[] = "zabbix_proxy";
const char syslog_app_name[] = "zabbix_proxy";
const char *usage_message[] = {
"[-c config-file]", NULL,
"[-c config-file]", "-R runtime-option", NULL,
"-h", NULL,
"-V", NULL,
NULL /* end of text */
};
const char *help_message[] = {
"A Zabbix daemon that collects monitoring data from devices and sends it to",
"Zabbix server.",
"",
"Options:",
" -c --config config-file Path to the configuration file",
" (default: \"" DEFAULT_CONFIG_FILE "\")",
" -f --foreground Run Zabbix proxy in foreground",
" -R --runtime-control runtime-option Perform administrative functions",
"",
" Runtime control options:",
" " ZBX_CONFIG_CACHE_RELOAD " Reload configuration cache",
" " ZBX_HOUSEKEEPER_EXECUTE " Execute the housekeeper",
" " ZBX_LOG_LEVEL_INCREASE "=target Increase log level, affects all processes if",
" target is not specified",
" " ZBX_LOG_LEVEL_DECREASE "=target Decrease log level, affects all processes if",
" target is not specified",
" " ZBX_SNMP_CACHE_RELOAD " Reload SNMP cache",
" " ZBX_DIAGINFO "=section Log internal diagnostic information of the",
" section (historycache, preprocessing, locks) or",
" everything if section is not specified",
"",
" Log level control targets:",
" process-type All processes of specified type",
" (configuration syncer, data sender, discoverer,",
" heartbeat sender, history syncer, housekeeper,",
" http poller, icmp pinger, ipmi manager,",
" ipmi poller, java poller, poller,",
" self-monitoring, snmp trapper, task manager,",
" trapper, unreachable poller, vmware collector,"
" availability manager, odbc poller)",
" process-type,N Process type and number (e.g., poller,3)",
" pid Process identifier",
"",
" -h --help Display this help message",
" -V --version Display version number",
"",
"Some configuration parameter default locations:",
" ExternalScripts \"" DEFAULT_EXTERNAL_SCRIPTS_PATH "\"",
#ifdef HAVE_LIBCURL
" SSLCertLocation \"" DEFAULT_SSL_CERT_LOCATION "\"",
" SSLKeyLocation \"" DEFAULT_SSL_KEY_LOCATION "\"",
#endif
" LoadModulePath \"" DEFAULT_LOAD_MODULE_PATH "\"",
NULL /* end of text */
};
/* COMMAND LINE OPTIONS */
/* long options */
static struct zbx_option longopts[] =
{
{"config", 1, NULL, 'c'},
{"foreground", 0, NULL, 'f'},
{"runtime-control", 1, NULL, 'R'},
{"help", 0, NULL, 'h'},
{"version", 0, NULL, 'V'},
{NULL}
};
/* short options */
static char shortopts[] = "c:hVR:f";
/* end of COMMAND LINE OPTIONS */
int threads_num = 0;
pid_t *threads = NULL;
static int *threads_flags;
unsigned char program_type = ZBX_PROGRAM_TYPE_PROXY_ACTIVE;
ZBX_THREAD_LOCAL unsigned char process_type = ZBX_PROCESS_TYPE_UNKNOWN;
ZBX_THREAD_LOCAL int process_num = 0;
ZBX_THREAD_LOCAL int server_num = 0;
int CONFIG_PROXYMODE = ZBX_PROXYMODE_ACTIVE;
int CONFIG_DATASENDER_FORKS = 1;
int CONFIG_DISCOVERER_FORKS = 1;
int CONFIG_HOUSEKEEPER_FORKS = 1;
int CONFIG_PINGER_FORKS = 1;
int CONFIG_POLLER_FORKS = 5;
int CONFIG_UNREACHABLE_POLLER_FORKS = 1;
int CONFIG_HTTPPOLLER_FORKS = 1;
int CONFIG_IPMIPOLLER_FORKS = 0;
int CONFIG_TRAPPER_FORKS = 5;
int CONFIG_SNMPTRAPPER_FORKS = 0;
int CONFIG_JAVAPOLLER_FORKS = 0;
int CONFIG_SELFMON_FORKS = 1;
int CONFIG_PROXYPOLLER_FORKS = 0;
int CONFIG_ESCALATOR_FORKS = 0;
int CONFIG_ALERTER_FORKS = 0;
int CONFIG_TIMER_FORKS = 0;
int CONFIG_HEARTBEAT_FORKS = 1;
int CONFIG_COLLECTOR_FORKS = 0;
int CONFIG_PASSIVE_FORKS = 0;
int CONFIG_ACTIVE_FORKS = 0;
int CONFIG_TASKMANAGER_FORKS = 1;
int CONFIG_IPMIMANAGER_FORKS = 0;
int CONFIG_ALERTMANAGER_FORKS = 0;
int CONFIG_PREPROCMAN_FORKS = 1;
int CONFIG_PREPROCESSOR_FORKS = 3;
int CONFIG_LLDMANAGER_FORKS = 0;
int CONFIG_LLDWORKER_FORKS = 0;
int CONFIG_ALERTDB_FORKS = 0;
int CONFIG_HISTORYPOLLER_FORKS = 0;
int CONFIG_AVAILMAN_FORKS = 1;
int CONFIG_SERVICEMAN_FORKS = 0;
int CONFIG_TRIGGERHOUSEKEEPER_FORKS = 0;
int CONFIG_ODBCPOLLER_FORKS = 1;
int CONFIG_LISTEN_PORT = ZBX_DEFAULT_SERVER_PORT;
char *CONFIG_LISTEN_IP = NULL;
char *CONFIG_SOURCE_IP = NULL;
int CONFIG_TRAPPER_TIMEOUT = 300;
int CONFIG_HOUSEKEEPING_FREQUENCY = 1;
int CONFIG_PROXY_LOCAL_BUFFER = 0;
int CONFIG_PROXY_OFFLINE_BUFFER = 1;
int CONFIG_HEARTBEAT_FREQUENCY = 60;
int CONFIG_PROXYCONFIG_FREQUENCY = SEC_PER_HOUR;
int CONFIG_PROXYDATA_FREQUENCY = 1;
int CONFIG_HISTSYNCER_FORKS = 4;
int CONFIG_HISTSYNCER_FREQUENCY = 1;
int CONFIG_CONFSYNCER_FORKS = 1;
int CONFIG_VMWARE_FORKS = 0;
int CONFIG_VMWARE_FREQUENCY = 60;
int CONFIG_VMWARE_PERF_FREQUENCY = 60;
int CONFIG_VMWARE_TIMEOUT = 10;
zbx_uint64_t CONFIG_CONF_CACHE_SIZE = 8 * ZBX_MEBIBYTE;
zbx_uint64_t CONFIG_HISTORY_CACHE_SIZE = 16 * ZBX_MEBIBYTE;
zbx_uint64_t CONFIG_HISTORY_INDEX_CACHE_SIZE = 4 * ZBX_MEBIBYTE;
zbx_uint64_t CONFIG_TRENDS_CACHE_SIZE = 0;
zbx_uint64_t CONFIG_TREND_FUNC_CACHE_SIZE = 0;
zbx_uint64_t CONFIG_VALUE_CACHE_SIZE = 0;
zbx_uint64_t CONFIG_VMWARE_CACHE_SIZE = 8 * ZBX_MEBIBYTE;
zbx_uint64_t CONFIG_EXPORT_FILE_SIZE;
int CONFIG_UNREACHABLE_PERIOD = 45;
int CONFIG_UNREACHABLE_DELAY = 15;
int CONFIG_UNAVAILABLE_DELAY = 60;
int CONFIG_LOG_LEVEL = LOG_LEVEL_WARNING;
char *CONFIG_ALERT_SCRIPTS_PATH = NULL;
char *CONFIG_EXTERNALSCRIPTS = NULL;
char *CONFIG_TMPDIR = NULL;
char *CONFIG_FPING_LOCATION = NULL;
char *CONFIG_FPING6_LOCATION = NULL;
char *CONFIG_DBHOST = NULL;
char *CONFIG_DBNAME = NULL;
char *CONFIG_DBSCHEMA = NULL;
char *CONFIG_DBUSER = NULL;
char *CONFIG_DBPASSWORD = NULL;
char *CONFIG_VAULT = NULL;
char *CONFIG_VAULTURL = NULL;
char *CONFIG_VAULTTOKEN = NULL;
char *CONFIG_VAULTTLSCERTFILE = NULL;
char *CONFIG_VAULTTLSKEYFILE = NULL;
char *CONFIG_VAULTDBPATH = NULL;
char *CONFIG_DBSOCKET = NULL;
char *CONFIG_DB_TLS_CONNECT = NULL;
char *CONFIG_DB_TLS_CERT_FILE = NULL;
char *CONFIG_DB_TLS_KEY_FILE = NULL;
char *CONFIG_DB_TLS_CA_FILE = NULL;
char *CONFIG_DB_TLS_CIPHER = NULL;
char *CONFIG_DB_TLS_CIPHER_13 = NULL;
char *CONFIG_EXPORT_DIR = NULL;
char *CONFIG_EXPORT_TYPE = NULL;
int CONFIG_DBPORT = 0;
int CONFIG_ALLOW_UNSUPPORTED_DB_VERSIONS = 0;
int CONFIG_ENABLE_REMOTE_COMMANDS = 0;
int CONFIG_LOG_REMOTE_COMMANDS = 0;
int CONFIG_UNSAFE_USER_PARAMETERS = 0;
char *CONFIG_SERVER = NULL;
int CONFIG_SERVER_PORT;
char *CONFIG_HOSTNAME = NULL;
char *CONFIG_HOSTNAME_ITEM = NULL;
char *CONFIG_SNMPTRAP_FILE = NULL;
char *CONFIG_JAVA_GATEWAY = NULL;
int CONFIG_JAVA_GATEWAY_PORT = ZBX_DEFAULT_GATEWAY_PORT;
char *CONFIG_SSH_KEY_LOCATION = NULL;
int CONFIG_LOG_SLOW_QUERIES = 0; /* ms; 0 - disable */
/* zabbix server startup time */
int CONFIG_SERVER_STARTUP_TIME = 0;
char *CONFIG_LOAD_MODULE_PATH = NULL;
char **CONFIG_LOAD_MODULE = NULL;
char *CONFIG_USER = NULL;
/* web monitoring */
char *CONFIG_SSL_CA_LOCATION = NULL;
char *CONFIG_SSL_CERT_LOCATION = NULL;
char *CONFIG_SSL_KEY_LOCATION = NULL;
/* TLS parameters */
unsigned int configured_tls_connect_mode = ZBX_TCP_SEC_UNENCRYPTED;
unsigned int configured_tls_accept_modes = ZBX_TCP_SEC_UNENCRYPTED;
char *CONFIG_TLS_CONNECT = NULL;
char *CONFIG_TLS_ACCEPT = NULL;
char *CONFIG_TLS_CA_FILE = NULL;
char *CONFIG_TLS_CRL_FILE = NULL;
char *CONFIG_TLS_SERVER_CERT_ISSUER = NULL;
char *CONFIG_TLS_SERVER_CERT_SUBJECT = NULL;
char *CONFIG_TLS_CERT_FILE = NULL;
char *CONFIG_TLS_KEY_FILE = NULL;
char *CONFIG_TLS_PSK_IDENTITY = NULL;
char *CONFIG_TLS_PSK_FILE = NULL;
char *CONFIG_TLS_CIPHER_CERT13 = NULL;
char *CONFIG_TLS_CIPHER_CERT = NULL;
char *CONFIG_TLS_CIPHER_PSK13 = NULL;
char *CONFIG_TLS_CIPHER_PSK = NULL;
char *CONFIG_TLS_CIPHER_ALL13 = NULL;
char *CONFIG_TLS_CIPHER_ALL = NULL;
char *CONFIG_TLS_CIPHER_CMD13 = NULL; /* not used in proxy, defined for linking with tls.c */
char *CONFIG_TLS_CIPHER_CMD = NULL; /* not used in proxy, defined for linking with tls.c */
static char *CONFIG_SOCKET_PATH = NULL;
char *CONFIG_HISTORY_STORAGE_URL = NULL;
char *CONFIG_HISTORY_STORAGE_OPTS = NULL;
int CONFIG_HISTORY_STORAGE_PIPELINES = 0;
char *CONFIG_STATS_ALLOWED_IP = NULL;
int CONFIG_TCP_MAX_BACKLOG_SIZE = SOMAXCONN;
int CONFIG_DOUBLE_PRECISION = ZBX_DB_DBL_PRECISION_ENABLED;
zbx_vector_ptr_t zbx_addrs;
int get_process_info_by_thread(int local_server_num, unsigned char *local_process_type, int *local_process_num);
int get_process_info_by_thread(int local_server_num, unsigned char *local_process_type, int *local_process_num)
{
int server_count = 0;
if (0 == local_server_num)
{
/* fail if the main process is queried */
return FAIL;
}
else if (local_server_num <= (server_count += CONFIG_CONFSYNCER_FORKS))
{
/* make initial configuration sync before worker processes are forked on active Zabbix proxy */
*local_process_type = ZBX_PROCESS_TYPE_CONFSYNCER;
*local_process_num = local_server_num - server_count + CONFIG_CONFSYNCER_FORKS;
}
else if (local_server_num <= (server_count += CONFIG_TRAPPER_FORKS))
{
/* make initial configuration sync before worker processes are forked on passive Zabbix proxy */
*local_process_type = ZBX_PROCESS_TYPE_TRAPPER;
*local_process_num = local_server_num - server_count + CONFIG_TRAPPER_FORKS;
}
else if (local_server_num <= (server_count += CONFIG_PREPROCMAN_FORKS))
{
*local_process_type = ZBX_PROCESS_TYPE_PREPROCMAN;
*local_process_num = local_server_num - server_count + CONFIG_PREPROCMAN_FORKS;
}
else if (local_server_num <= (server_count += CONFIG_PREPROCESSOR_FORKS))
{
/* data collection processes might utilize CPU fully, start manager and worker processes beforehand */
*local_process_type = ZBX_PROCESS_TYPE_PREPROCESSOR;
*local_process_num = local_server_num - server_count + CONFIG_PREPROCESSOR_FORKS;
}
else if (local_server_num <= (server_count += CONFIG_HEARTBEAT_FORKS))
{
*local_process_type = ZBX_PROCESS_TYPE_HEARTBEAT;
*local_process_num = local_server_num - server_count + CONFIG_HEARTBEAT_FORKS;
}
else if (local_server_num <= (server_count += CONFIG_DATASENDER_FORKS))
{
*local_process_type = ZBX_PROCESS_TYPE_DATASENDER;
*local_process_num = local_server_num - server_count + CONFIG_DATASENDER_FORKS;
}
else if (local_server_num <= (server_count += CONFIG_IPMIMANAGER_FORKS))
{
*local_process_type = ZBX_PROCESS_TYPE_IPMIMANAGER;
*local_process_num = local_server_num - server_count + CONFIG_IPMIMANAGER_FORKS;
}
else if (local_server_num <= (server_count += CONFIG_HOUSEKEEPER_FORKS))
{
*local_process_type = ZBX_PROCESS_TYPE_HOUSEKEEPER;
*local_process_num = local_server_num - server_count + CONFIG_HOUSEKEEPER_FORKS;
}
else if (local_server_num <= (server_count += CONFIG_HTTPPOLLER_FORKS))
{
*local_process_type = ZBX_PROCESS_TYPE_HTTPPOLLER;
*local_process_num = local_server_num - server_count + CONFIG_HTTPPOLLER_FORKS;
}
else if (local_server_num <= (server_count += CONFIG_DISCOVERER_FORKS))
{
*local_process_type = ZBX_PROCESS_TYPE_DISCOVERER;
*local_process_num = local_server_num - server_count + CONFIG_DISCOVERER_FORKS;
}
else if (local_server_num <= (server_count += CONFIG_HISTSYNCER_FORKS))
{
*local_process_type = ZBX_PROCESS_TYPE_HISTSYNCER;
*local_process_num = local_server_num - server_count + CONFIG_HISTSYNCER_FORKS;
}
else if (local_server_num <= (server_count += CONFIG_IPMIPOLLER_FORKS))
{
*local_process_type = ZBX_PROCESS_TYPE_IPMIPOLLER;
*local_process_num = local_server_num - server_count + CONFIG_IPMIPOLLER_FORKS;
}
else if (local_server_num <= (server_count += CONFIG_JAVAPOLLER_FORKS))
{
*local_process_type = ZBX_PROCESS_TYPE_JAVAPOLLER;
*local_process_num = local_server_num - server_count + CONFIG_JAVAPOLLER_FORKS;
}
else if (local_server_num <= (server_count += CONFIG_SNMPTRAPPER_FORKS))
{
*local_process_type = ZBX_PROCESS_TYPE_SNMPTRAPPER;
*local_process_num = local_server_num - server_count + CONFIG_SNMPTRAPPER_FORKS;
}
else if (local_server_num <= (server_count += CONFIG_SELFMON_FORKS))
{
*local_process_type = ZBX_PROCESS_TYPE_SELFMON;
*local_process_num = local_server_num - server_count + CONFIG_SELFMON_FORKS;
}
else if (local_server_num <= (server_count += CONFIG_VMWARE_FORKS))
{
*local_process_type = ZBX_PROCESS_TYPE_VMWARE;
*local_process_num = local_server_num - server_count + CONFIG_VMWARE_FORKS;
}
else if (local_server_num <= (server_count += CONFIG_TASKMANAGER_FORKS))
{
*local_process_type = ZBX_PROCESS_TYPE_TASKMANAGER;
*local_process_num = local_server_num - server_count + CONFIG_TASKMANAGER_FORKS;
}
else if (local_server_num <= (server_count += CONFIG_POLLER_FORKS))
{
*local_process_type = ZBX_PROCESS_TYPE_POLLER;
*local_process_num = local_server_num - server_count + CONFIG_POLLER_FORKS;
}
else if (local_server_num <= (server_count += CONFIG_UNREACHABLE_POLLER_FORKS))
{
*local_process_type = ZBX_PROCESS_TYPE_UNREACHABLE;
*local_process_num = local_server_num - server_count + CONFIG_UNREACHABLE_POLLER_FORKS;
}
else if (local_server_num <= (server_count += CONFIG_PINGER_FORKS))
{
*local_process_type = ZBX_PROCESS_TYPE_PINGER;
*local_process_num = local_server_num - server_count + CONFIG_PINGER_FORKS;
}
else if (local_server_num <= (server_count += CONFIG_AVAILMAN_FORKS))
{
*local_process_type = ZBX_PROCESS_TYPE_AVAILMAN;
*local_process_num = local_server_num - server_count + CONFIG_AVAILMAN_FORKS;
}
else if (local_server_num <= (server_count += CONFIG_ODBCPOLLER_FORKS))
{
*local_process_type = ZBX_PROCESS_TYPE_ODBCPOLLER;
*local_process_num = local_server_num - server_count + CONFIG_ODBCPOLLER_FORKS;
}
else
return FAIL;
return SUCCEED;
}
/******************************************************************************
* *
* Purpose: set configuration defaults *
* *
******************************************************************************/
static void zbx_set_defaults(void)
{
AGENT_RESULT result;
char **value = NULL;
CONFIG_SERVER_STARTUP_TIME = time(NULL);
if (NULL == CONFIG_HOSTNAME)
{
if (NULL == CONFIG_HOSTNAME_ITEM)
CONFIG_HOSTNAME_ITEM = zbx_strdup(CONFIG_HOSTNAME_ITEM, "system.hostname");
init_result(&result);
if (SUCCEED == process(CONFIG_HOSTNAME_ITEM, PROCESS_LOCAL_COMMAND, &result) &&
NULL != (value = GET_STR_RESULT(&result)))
{
assert(*value);
if (MAX_ZBX_HOSTNAME_LEN < strlen(*value))
{
(*value)[MAX_ZBX_HOSTNAME_LEN] = '\0';
zabbix_log(LOG_LEVEL_WARNING, "proxy name truncated to [%s])", *value);
}
CONFIG_HOSTNAME = zbx_strdup(CONFIG_HOSTNAME, *value);
}
else
zabbix_log(LOG_LEVEL_WARNING, "failed to get proxy name from [%s])", CONFIG_HOSTNAME_ITEM);
free_result(&result);
}
else if (NULL != CONFIG_HOSTNAME_ITEM)
{
zabbix_log(LOG_LEVEL_WARNING, "both Hostname and HostnameItem defined, using [%s]", CONFIG_HOSTNAME);
}
if (NULL == CONFIG_DBHOST)
CONFIG_DBHOST = zbx_strdup(CONFIG_DBHOST, "localhost");
if (NULL == CONFIG_SNMPTRAP_FILE)
CONFIG_SNMPTRAP_FILE = zbx_strdup(CONFIG_SNMPTRAP_FILE, "/tmp/zabbix_traps.tmp");
if (NULL == CONFIG_PID_FILE)
CONFIG_PID_FILE = zbx_strdup(CONFIG_PID_FILE, "/tmp/zabbix_proxy.pid");
if (NULL == CONFIG_TMPDIR)
CONFIG_TMPDIR = zbx_strdup(CONFIG_TMPDIR, "/tmp");
if (NULL == CONFIG_FPING_LOCATION)
CONFIG_FPING_LOCATION = zbx_strdup(CONFIG_FPING_LOCATION, "/usr/sbin/fping");
#ifdef HAVE_IPV6
if (NULL == CONFIG_FPING6_LOCATION)
CONFIG_FPING6_LOCATION = zbx_strdup(CONFIG_FPING6_LOCATION, "/usr/sbin/fping6");
#endif
if (NULL == CONFIG_EXTERNALSCRIPTS)
CONFIG_EXTERNALSCRIPTS = zbx_strdup(CONFIG_EXTERNALSCRIPTS, DEFAULT_EXTERNAL_SCRIPTS_PATH);
if (NULL == CONFIG_LOAD_MODULE_PATH)
CONFIG_LOAD_MODULE_PATH = zbx_strdup(CONFIG_LOAD_MODULE_PATH, DEFAULT_LOAD_MODULE_PATH);
#ifdef HAVE_LIBCURL
if (NULL == CONFIG_SSL_CERT_LOCATION)
CONFIG_SSL_CERT_LOCATION = zbx_strdup(CONFIG_SSL_CERT_LOCATION, DEFAULT_SSL_CERT_LOCATION);
if (NULL == CONFIG_SSL_KEY_LOCATION)
CONFIG_SSL_KEY_LOCATION = zbx_strdup(CONFIG_SSL_KEY_LOCATION, DEFAULT_SSL_KEY_LOCATION);
#endif
if (ZBX_PROXYMODE_ACTIVE != CONFIG_PROXYMODE || 0 == CONFIG_HEARTBEAT_FREQUENCY)
CONFIG_HEARTBEAT_FORKS = 0;
if (ZBX_PROXYMODE_PASSIVE == CONFIG_PROXYMODE)
{
CONFIG_DATASENDER_FORKS = 0;
program_type = ZBX_PROGRAM_TYPE_PROXY_PASSIVE;
}
if (NULL == CONFIG_LOG_TYPE_STR)
CONFIG_LOG_TYPE_STR = zbx_strdup(CONFIG_LOG_TYPE_STR, ZBX_OPTION_LOGTYPE_FILE);
if (NULL == CONFIG_SOCKET_PATH)
CONFIG_SOCKET_PATH = zbx_strdup(CONFIG_SOCKET_PATH, "/tmp");
if (0 != CONFIG_IPMIPOLLER_FORKS)
CONFIG_IPMIMANAGER_FORKS = 1;
if (NULL == CONFIG_VAULTURL)
CONFIG_VAULTURL = zbx_strdup(CONFIG_VAULTURL, "https://127.0.0.1:8200");
if (0 == CONFIG_SERVER_PORT)
{
CONFIG_SERVER_PORT = ZBX_DEFAULT_SERVER_PORT;
}
else
{
zabbix_log(LOG_LEVEL_WARNING, "ServerPort parameter is deprecated,"
" please specify port in Server parameter separated by ':' instead");
}
}
/******************************************************************************
* *
* Purpose: validate configuration parameters *
* *
******************************************************************************/
static void zbx_validate_config(ZBX_TASK_EX *task)
{
char *ch_error;
int err = 0;
if (NULL == CONFIG_HOSTNAME)
{
zabbix_log(LOG_LEVEL_CRIT, "\"Hostname\" configuration parameter is not defined");
err = 1;
}
else if (FAIL == zbx_check_hostname(CONFIG_HOSTNAME, &ch_error))
{
zabbix_log(LOG_LEVEL_CRIT, "invalid \"Hostname\" configuration parameter '%s': %s", CONFIG_HOSTNAME,
ch_error);
zbx_free(ch_error);
err = 1;
}
if (0 == CONFIG_UNREACHABLE_POLLER_FORKS && 0 != CONFIG_POLLER_FORKS + CONFIG_JAVAPOLLER_FORKS)
{
zabbix_log(LOG_LEVEL_CRIT, "\"StartPollersUnreachable\" configuration parameter must not be 0"
" if regular or Java pollers are started");
err = 1;
}
if ((NULL == CONFIG_JAVA_GATEWAY || '\0' == *CONFIG_JAVA_GATEWAY) && 0 < CONFIG_JAVAPOLLER_FORKS)
{
zabbix_log(LOG_LEVEL_CRIT, "\"JavaGateway\" configuration parameter is not specified or empty");
err = 1;
}
if (ZBX_PROXYMODE_ACTIVE == CONFIG_PROXYMODE)
{
if (NULL != strchr(CONFIG_SERVER, ','))
{
zabbix_log(LOG_LEVEL_CRIT, "\"Server\" configuration parameter must not contain comma");
err = 1;
}
}
else if (ZBX_PROXYMODE_PASSIVE == CONFIG_PROXYMODE && FAIL == zbx_validate_peer_list(CONFIG_SERVER, &ch_error))
{
zabbix_log(LOG_LEVEL_CRIT, "invalid entry in \"Server\" configuration parameter: %s", ch_error);
zbx_free(ch_error);
err = 1;
}
if (NULL != CONFIG_SOURCE_IP && SUCCEED != is_supported_ip(CONFIG_SOURCE_IP))
{
zabbix_log(LOG_LEVEL_CRIT, "invalid \"SourceIP\" configuration parameter: '%s'", CONFIG_SOURCE_IP);
err = 1;
}
if (NULL != CONFIG_STATS_ALLOWED_IP && FAIL == zbx_validate_peer_list(CONFIG_STATS_ALLOWED_IP, &ch_error))
{
zabbix_log(LOG_LEVEL_CRIT, "invalid entry in \"StatsAllowedIP\" configuration parameter: %s", ch_error);
zbx_free(ch_error);
err = 1;
}
#if !defined(HAVE_IPV6)
err |= (FAIL == check_cfg_feature_str("Fping6Location", CONFIG_FPING6_LOCATION, "IPv6 support"));
#endif
#if !defined(HAVE_LIBCURL)
err |= (FAIL == check_cfg_feature_str("SSLCALocation", CONFIG_SSL_CA_LOCATION, "cURL library"));
err |= (FAIL == check_cfg_feature_str("SSLCertLocation", CONFIG_SSL_CERT_LOCATION, "cURL library"));
err |= (FAIL == check_cfg_feature_str("SSLKeyLocation", CONFIG_SSL_KEY_LOCATION, "cURL library"));
err |= (FAIL == check_cfg_feature_str("Vault", CONFIG_VAULT, "cURL library"));
err |= (FAIL == check_cfg_feature_str("VaultToken", CONFIG_VAULTTOKEN, "cURL library"));
err |= (FAIL == check_cfg_feature_str("VaultDBPath", CONFIG_VAULTDBPATH, "cURL library"));
#endif
#if !defined(HAVE_LIBXML2) || !defined(HAVE_LIBCURL)
err |= (FAIL == check_cfg_feature_int("StartVMwareCollectors", CONFIG_VMWARE_FORKS, "VMware support"));
/* parameters VMwareFrequency, VMwarePerfFrequency, VMwareCacheSize, VMwareTimeout are not checked here */
/* because they have non-zero default values */
#endif
if (SUCCEED != zbx_validate_log_parameters(task))
err = 1;
#if !(defined(HAVE_GNUTLS) || defined(HAVE_OPENSSL))
err |= (FAIL == check_cfg_feature_str("TLSConnect", CONFIG_TLS_CONNECT, "TLS support"));
err |= (FAIL == check_cfg_feature_str("TLSAccept", CONFIG_TLS_ACCEPT, "TLS support"));
err |= (FAIL == check_cfg_feature_str("TLSCAFile", CONFIG_TLS_CA_FILE, "TLS support"));
err |= (FAIL == check_cfg_feature_str("TLSCRLFile", CONFIG_TLS_CRL_FILE, "TLS support"));
err |= (FAIL == check_cfg_feature_str("TLSServerCertIssuer", CONFIG_TLS_SERVER_CERT_ISSUER, "TLS support"));
err |= (FAIL == check_cfg_feature_str("TLSServerCertSubject", CONFIG_TLS_SERVER_CERT_SUBJECT, "TLS support"));
err |= (FAIL == check_cfg_feature_str("TLSCertFile", CONFIG_TLS_CERT_FILE, "TLS support"));
err |= (FAIL == check_cfg_feature_str("TLSKeyFile", CONFIG_TLS_KEY_FILE, "TLS support"));
err |= (FAIL == check_cfg_feature_str("TLSPSKIdentity", CONFIG_TLS_PSK_IDENTITY, "TLS support"));
err |= (FAIL == check_cfg_feature_str("TLSPSKFile", CONFIG_TLS_PSK_FILE, "TLS support"));
#endif
#if !(defined(HAVE_GNUTLS) || defined(HAVE_OPENSSL))
err |= (FAIL == check_cfg_feature_str("TLSCipherCert", CONFIG_TLS_CIPHER_CERT, "GnuTLS or OpenSSL"));
err |= (FAIL == check_cfg_feature_str("TLSCipherPSK", CONFIG_TLS_CIPHER_PSK, "GnuTLS or OpenSSL"));
err |= (FAIL == check_cfg_feature_str("TLSCipherAll", CONFIG_TLS_CIPHER_ALL, "GnuTLS or OpenSSL"));
#endif
#if !defined(HAVE_OPENSSL)
err |= (FAIL == check_cfg_feature_str("TLSCipherCert13", CONFIG_TLS_CIPHER_CERT13, "OpenSSL 1.1.1 or newer"));
err |= (FAIL == check_cfg_feature_str("TLSCipherPSK13", CONFIG_TLS_CIPHER_PSK13, "OpenSSL 1.1.1 or newer"));
err |= (FAIL == check_cfg_feature_str("TLSCipherAll13", CONFIG_TLS_CIPHER_ALL13, "OpenSSL 1.1.1 or newer"));
#endif
#if !defined(HAVE_OPENIPMI)
err |= (FAIL == check_cfg_feature_int("StartIPMIPollers", CONFIG_IPMIPOLLER_FORKS, "IPMI support"));
#endif
err |= (FAIL == zbx_db_validate_config_features());
if (0 != err)
exit(EXIT_FAILURE);
}
static int proxy_add_serveractive_host_cb(const zbx_vector_ptr_t *addrs, zbx_vector_str_t *hostnames, void *data)
{
ZBX_UNUSED(hostnames);
ZBX_UNUSED(data);
zbx_addr_copy(&zbx_addrs, addrs);
return SUCCEED;
}
/******************************************************************************
* *
* Purpose: parse config file and update configuration parameters *
* *
* Comments: will terminate process if parsing fails *
* *
******************************************************************************/
static void zbx_load_config(ZBX_TASK_EX *task)
{
static struct cfg_line cfg[] =
{
/* PARAMETER, VAR, TYPE,
MANDATORY, MIN, MAX */
{"ProxyMode", &CONFIG_PROXYMODE, TYPE_INT,
PARM_OPT, ZBX_PROXYMODE_ACTIVE, ZBX_PROXYMODE_PASSIVE},
{"Server", &CONFIG_SERVER, TYPE_STRING,
PARM_MAND, 0, 0},
{"ServerPort", &CONFIG_SERVER_PORT, TYPE_INT,
PARM_OPT, 1024, 32767},
{"Hostname", &CONFIG_HOSTNAME, TYPE_STRING,
PARM_OPT, 0, 0},
{"HostnameItem", &CONFIG_HOSTNAME_ITEM, TYPE_STRING,
PARM_OPT, 0, 0},
{"StartDBSyncers", &CONFIG_HISTSYNCER_FORKS, TYPE_INT,
PARM_OPT, 1, 100},
{"StartDiscoverers", &CONFIG_DISCOVERER_FORKS, TYPE_INT,
PARM_OPT, 0, 250},
{"StartHTTPPollers", &CONFIG_HTTPPOLLER_FORKS, TYPE_INT,
PARM_OPT, 0, 1000},
{"StartPingers", &CONFIG_PINGER_FORKS, TYPE_INT,
PARM_OPT, 0, 1000},
{"StartPollers", &CONFIG_POLLER_FORKS, TYPE_INT,
PARM_OPT, 0, 1000},
{"StartPollersUnreachable", &CONFIG_UNREACHABLE_POLLER_FORKS, TYPE_INT,
PARM_OPT, 0, 1000},
{"StartIPMIPollers", &CONFIG_IPMIPOLLER_FORKS, TYPE_INT,
PARM_OPT, 0, 1000},
{"StartTrappers", &CONFIG_TRAPPER_FORKS, TYPE_INT,
PARM_OPT, 0, 1000},
{"StartJavaPollers", &CONFIG_JAVAPOLLER_FORKS, TYPE_INT,
PARM_OPT, 0, 1000},
{"JavaGateway", &CONFIG_JAVA_GATEWAY, TYPE_STRING,
PARM_OPT, 0, 0},
{"JavaGatewayPort", &CONFIG_JAVA_GATEWAY_PORT, TYPE_INT,
PARM_OPT, 1024, 32767},
{"SNMPTrapperFile", &CONFIG_SNMPTRAP_FILE, TYPE_STRING,
PARM_OPT, 0, 0},
{"StartSNMPTrapper", &CONFIG_SNMPTRAPPER_FORKS, TYPE_INT,
PARM_OPT, 0, 1},
{"CacheSize", &CONFIG_CONF_CACHE_SIZE, TYPE_UINT64,
PARM_OPT, 128 * ZBX_KIBIBYTE, __UINT64_C(64) * ZBX_GIBIBYTE},
{"HistoryCacheSize", &CONFIG_HISTORY_CACHE_SIZE, TYPE_UINT64,
PARM_OPT, 128 * ZBX_KIBIBYTE, __UINT64_C(2) * ZBX_GIBIBYTE},
{"HistoryIndexCacheSize", &CONFIG_HISTORY_INDEX_CACHE_SIZE, TYPE_UINT64,
PARM_OPT, 128 * ZBX_KIBIBYTE, __UINT64_C(2) * ZBX_GIBIBYTE},
{"HousekeepingFrequency", &CONFIG_HOUSEKEEPING_FREQUENCY, TYPE_INT,
PARM_OPT, 0, 24},
{"ProxyLocalBuffer", &CONFIG_PROXY_LOCAL_BUFFER, TYPE_INT,
PARM_OPT, 0, 720},
{"ProxyOfflineBuffer", &CONFIG_PROXY_OFFLINE_BUFFER, TYPE_INT,
PARM_OPT, 1, 720},
{"HeartbeatFrequency", &CONFIG_HEARTBEAT_FREQUENCY, TYPE_INT,
PARM_OPT, 0, ZBX_PROXY_HEARTBEAT_FREQUENCY_MAX},
{"ConfigFrequency", &CONFIG_PROXYCONFIG_FREQUENCY, TYPE_INT,
PARM_OPT, 1, SEC_PER_WEEK},
{"DataSenderFrequency", &CONFIG_PROXYDATA_FREQUENCY, TYPE_INT,
PARM_OPT, 1, SEC_PER_HOUR},
{"TmpDir", &CONFIG_TMPDIR, TYPE_STRING,
PARM_OPT, 0, 0},
{"FpingLocation", &CONFIG_FPING_LOCATION, TYPE_STRING,
PARM_OPT, 0, 0},
{"Fping6Location", &CONFIG_FPING6_LOCATION, TYPE_STRING,
PARM_OPT, 0, 0},
{"Timeout", &CONFIG_TIMEOUT, TYPE_INT,
PARM_OPT, 1, 30},
{"TrapperTimeout", &CONFIG_TRAPPER_TIMEOUT, TYPE_INT,
PARM_OPT, 1, 300},
{"UnreachablePeriod", &CONFIG_UNREACHABLE_PERIOD, TYPE_INT,
PARM_OPT, 1, SEC_PER_HOUR},
{"UnreachableDelay", &CONFIG_UNREACHABLE_DELAY, TYPE_INT,
PARM_OPT, 1, SEC_PER_HOUR},
{"UnavailableDelay", &CONFIG_UNAVAILABLE_DELAY, TYPE_INT,
PARM_OPT, 1, SEC_PER_HOUR},
{"ListenIP", &CONFIG_LISTEN_IP, TYPE_STRING_LIST,
PARM_OPT, 0, 0},
{"ListenPort", &CONFIG_LISTEN_PORT, TYPE_INT,
PARM_OPT, 1024, 32767},
{"SourceIP", &CONFIG_SOURCE_IP, TYPE_STRING,
PARM_OPT, 0, 0},
{"DebugLevel", &CONFIG_LOG_LEVEL, TYPE_INT,
PARM_OPT, 0, 5},
{"PidFile", &CONFIG_PID_FILE, TYPE_STRING,
PARM_OPT, 0, 0},
{"LogType", &CONFIG_LOG_TYPE_STR, TYPE_STRING,
PARM_OPT, 0, 0},
{"LogFile", &CONFIG_LOG_FILE, TYPE_STRING,
PARM_OPT, 0, 0},
{"LogFileSize", &CONFIG_LOG_FILE_SIZE, TYPE_INT,
PARM_OPT, 0, 1024},
{"ExternalScripts", &CONFIG_EXTERNALSCRIPTS, TYPE_STRING,
PARM_OPT, 0, 0},
{"DBHost", &CONFIG_DBHOST, TYPE_STRING,
PARM_OPT, 0, 0},
{"DBName", &CONFIG_DBNAME, TYPE_STRING,
PARM_MAND, 0, 0},
{"DBSchema", &CONFIG_DBSCHEMA, TYPE_STRING,
PARM_OPT, 0, 0},
{"DBUser", &CONFIG_DBUSER, TYPE_STRING,
PARM_OPT, 0, 0},
{"DBPassword", &CONFIG_DBPASSWORD, TYPE_STRING,
PARM_OPT, 0, 0},
{"VaultToken", &CONFIG_VAULTTOKEN, TYPE_STRING,
PARM_OPT, 0, 0},
{"Vault", &CONFIG_VAULT, TYPE_STRING,
PARM_OPT, 0, 0},
{"VaultTLSCertFile", &CONFIG_VAULTTLSCERTFILE, TYPE_STRING,
PARM_OPT, 0, 0},
{"VaultTLSKeyFile", &CONFIG_VAULTTLSKEYFILE, TYPE_STRING,
PARM_OPT, 0, 0},
{"VaultURL", &CONFIG_VAULTURL, TYPE_STRING,
PARM_OPT, 0, 0},
{"VaultDBPath", &CONFIG_VAULTDBPATH, TYPE_STRING,
PARM_OPT, 0, 0},
{"DBSocket", &CONFIG_DBSOCKET, TYPE_STRING,
PARM_OPT, 0, 0},
{"DBPort", &CONFIG_DBPORT, TYPE_INT,
PARM_OPT, 1024, 65535},
{"AllowUnsupportedDBVersions", &CONFIG_ALLOW_UNSUPPORTED_DB_VERSIONS, TYPE_INT,
PARM_OPT, 0, 1},
{"DBTLSConnect", &CONFIG_DB_TLS_CONNECT, TYPE_STRING,
PARM_OPT, 0, 0},
{"DBTLSCertFile", &CONFIG_DB_TLS_CERT_FILE, TYPE_STRING,
PARM_OPT, 0, 0},
{"DBTLSKeyFile", &CONFIG_DB_TLS_KEY_FILE, TYPE_STRING,
PARM_OPT, 0, 0},
{"DBTLSCAFile", &CONFIG_DB_TLS_CA_FILE, TYPE_STRING,
PARM_OPT, 0, 0},
{"DBTLSCipher", &CONFIG_DB_TLS_CIPHER, TYPE_STRING,
PARM_OPT, 0, 0},
{"DBTLSCipher13", &CONFIG_DB_TLS_CIPHER_13, TYPE_STRING,
PARM_OPT, 0, 0},
{"SSHKeyLocation", &CONFIG_SSH_KEY_LOCATION, TYPE_STRING,
PARM_OPT, 0, 0},
{"LogSlowQueries", &CONFIG_LOG_SLOW_QUERIES, TYPE_INT,
PARM_OPT, 0, 3600000},
{"LoadModulePath", &CONFIG_LOAD_MODULE_PATH, TYPE_STRING,
PARM_OPT, 0, 0},
{"LoadModule", &CONFIG_LOAD_MODULE, TYPE_MULTISTRING,
PARM_OPT, 0, 0},
{"StartVMwareCollectors", &CONFIG_VMWARE_FORKS, TYPE_INT,
PARM_OPT, 0, 250},
{"VMwareFrequency", &CONFIG_VMWARE_FREQUENCY, TYPE_INT,
PARM_OPT, 10, SEC_PER_DAY},
{"VMwarePerfFrequency", &CONFIG_VMWARE_PERF_FREQUENCY, TYPE_INT,
PARM_OPT, 10, SEC_PER_DAY},
{"VMwareCacheSize", &CONFIG_VMWARE_CACHE_SIZE, TYPE_UINT64,
PARM_OPT, 256 * ZBX_KIBIBYTE, __UINT64_C(2) * ZBX_GIBIBYTE},
{"VMwareTimeout", &CONFIG_VMWARE_TIMEOUT, TYPE_INT,
PARM_OPT, 1, 300},
{"AllowRoot", &CONFIG_ALLOW_ROOT, TYPE_INT,
PARM_OPT, 0, 1},
{"User", &CONFIG_USER, TYPE_STRING,
PARM_OPT, 0, 0},
{"SSLCALocation", &CONFIG_SSL_CA_LOCATION, TYPE_STRING,
PARM_OPT, 0, 0},
{"SSLCertLocation", &CONFIG_SSL_CERT_LOCATION, TYPE_STRING,
PARM_OPT, 0, 0},
{"SSLKeyLocation", &CONFIG_SSL_KEY_LOCATION, TYPE_STRING,
PARM_OPT, 0, 0},
{"TLSConnect", &CONFIG_TLS_CONNECT, TYPE_STRING,
PARM_OPT, 0, 0},
{"TLSAccept", &CONFIG_TLS_ACCEPT, TYPE_STRING_LIST,
PARM_OPT, 0, 0},
{"TLSCAFile", &CONFIG_TLS_CA_FILE, TYPE_STRING,
PARM_OPT, 0, 0},
{"TLSCRLFile", &CONFIG_TLS_CRL_FILE, TYPE_STRING,
PARM_OPT, 0, 0},
{"TLSServerCertIssuer", &CONFIG_TLS_SERVER_CERT_ISSUER, TYPE_STRING,
PARM_OPT, 0, 0},
{"TLSServerCertSubject", &CONFIG_TLS_SERVER_CERT_SUBJECT, TYPE_STRING,
PARM_OPT, 0, 0},
{"TLSCertFile", &CONFIG_TLS_CERT_FILE, TYPE_STRING,
PARM_OPT, 0, 0},
{"TLSKeyFile", &CONFIG_TLS_KEY_FILE, TYPE_STRING,
PARM_OPT, 0, 0},
{"TLSPSKIdentity", &CONFIG_TLS_PSK_IDENTITY, TYPE_STRING,
PARM_OPT, 0, 0},
{"TLSPSKFile", &CONFIG_TLS_PSK_FILE, TYPE_STRING,
PARM_OPT, 0, 0},
{"TLSCipherCert13", &CONFIG_TLS_CIPHER_CERT13, TYPE_STRING,
PARM_OPT, 0, 0},
{"TLSCipherCert", &CONFIG_TLS_CIPHER_CERT, TYPE_STRING,
PARM_OPT, 0, 0},
{"TLSCipherPSK13", &CONFIG_TLS_CIPHER_PSK13, TYPE_STRING,
PARM_OPT, 0, 0},
{"TLSCipherPSK", &CONFIG_TLS_CIPHER_PSK, TYPE_STRING,
PARM_OPT, 0, 0},
{"TLSCipherAll13", &CONFIG_TLS_CIPHER_ALL13, TYPE_STRING,
PARM_OPT, 0, 0},
{"TLSCipherAll", &CONFIG_TLS_CIPHER_ALL, TYPE_STRING,
PARM_OPT, 0, 0},
{"SocketDir", &CONFIG_SOCKET_PATH, TYPE_STRING,
PARM_OPT, 0, 0},
{"EnableRemoteCommands", &CONFIG_ENABLE_REMOTE_COMMANDS, TYPE_INT,
PARM_OPT, 0, 1},
{"LogRemoteCommands", &CONFIG_LOG_REMOTE_COMMANDS, TYPE_INT,
PARM_OPT, 0, 1},
{"StatsAllowedIP", &CONFIG_STATS_ALLOWED_IP, TYPE_STRING_LIST,
PARM_OPT, 0, 0},
{"StartPreprocessors", &CONFIG_PREPROCESSOR_FORKS, TYPE_INT,
PARM_OPT, 1, 1000},
{"ListenBacklog", &CONFIG_TCP_MAX_BACKLOG_SIZE, TYPE_INT,
PARM_OPT, 0, INT_MAX},
{"StartODBCPollers", &CONFIG_ODBCPOLLER_FORKS, TYPE_INT,
PARM_OPT, 0, 1000},
{NULL}
};
/* initialize multistrings */
zbx_strarr_init(&CONFIG_LOAD_MODULE);
parse_cfg_file(CONFIG_FILE, cfg, ZBX_CFG_FILE_REQUIRED, ZBX_CFG_STRICT, ZBX_CFG_EXIT_FAILURE);
zbx_set_defaults();
CONFIG_LOG_TYPE = zbx_get_log_type(CONFIG_LOG_TYPE_STR);
zbx_validate_config(task);
zbx_vector_ptr_create(&zbx_addrs);
if (ZBX_PROXYMODE_PASSIVE != CONFIG_PROXYMODE)
{
char *error;
if (FAIL == zbx_set_data_destination_hosts(CONFIG_SERVER, (unsigned short)CONFIG_SERVER_PORT, "Server",
proxy_add_serveractive_host_cb, NULL, NULL, &error))
{
zbx_error("%s", error);
exit(EXIT_FAILURE);
}
}
#if defined(HAVE_MYSQL) || defined(HAVE_POSTGRESQL)
zbx_db_validate_config();
#endif
#if defined(HAVE_GNUTLS) || defined(HAVE_OPENSSL)
zbx_tls_validate_config();
#endif
}
/******************************************************************************
* *
* Purpose: free configuration memory *
* *
******************************************************************************/
static void zbx_free_config(void)
{
zbx_strarr_free(&CONFIG_LOAD_MODULE);
}
/******************************************************************************
* *
* Purpose: executes proxy processes *
* *
******************************************************************************/
int main(int argc, char **argv)
{
ZBX_TASK_EX t = {ZBX_TASK_START};
char ch;
int opt_c = 0, opt_r = 0;
#if defined(PS_OVERWRITE_ARGV) || defined(PS_PSTAT_ARGV)
argv = setproctitle_save_env(argc, argv);
#endif
progname = get_program_name(argv[0]);
/* parse the command-line */
while ((char)EOF != (ch = (char)zbx_getopt_long(argc, argv, shortopts, longopts, NULL)))
{
switch (ch)
{
case 'c':
opt_c++;
if (NULL == CONFIG_FILE)
CONFIG_FILE = zbx_strdup(CONFIG_FILE, zbx_optarg);
break;
case 'R':
opt_r++;
t.opts = zbx_strdup(t.opts, zbx_optarg);
t.task = ZBX_TASK_RUNTIME_CONTROL;
break;
case 'h':
help();
exit(EXIT_SUCCESS);
break;
case 'V':
version();
exit(EXIT_SUCCESS);
break;
case 'f':
t.flags |= ZBX_TASK_FLAG_FOREGROUND;
break;
default:
usage();
exit(EXIT_FAILURE);
break;
}
}
/* every option may be specified only once */
if (1 < opt_c || 1 < opt_r)
{
if (1 < opt_c)
zbx_error("option \"-c\" or \"--config\" specified multiple times");
if (1 < opt_r)
zbx_error("option \"-R\" or \"--runtime-control\" specified multiple times");
exit(EXIT_FAILURE);
}
/* Parameters which are not option values are invalid. The check relies on zbx_getopt_internal() which */
/* always permutes command line arguments regardless of POSIXLY_CORRECT environment variable. */
if (argc > zbx_optind)
{
int i;
for (i = zbx_optind; i < argc; i++)
zbx_error("invalid parameter \"%s\"", argv[i]);
exit(EXIT_FAILURE);
}
if (NULL == CONFIG_FILE)
CONFIG_FILE = zbx_strdup(NULL, DEFAULT_CONFIG_FILE);
/* required for simple checks */
init_metrics();
zbx_load_config(&t);
if (ZBX_TASK_RUNTIME_CONTROL == t.task)
{
int ret;
char *error = NULL;
if (FAIL == zbx_ipc_service_init_env(CONFIG_SOCKET_PATH, &error))
{
zbx_error("cannot initialize IPC services: %s", error);
zbx_free(error);
exit(EXIT_FAILURE);
}
if (SUCCEED != (ret = zbx_rtc_process(t.opts, &error)))
{
zbx_error("Cannot perform runtime control command: %s", error);
zbx_free(error);
}
exit(SUCCEED == ret ? EXIT_SUCCESS : EXIT_FAILURE);
}
return daemon_start(CONFIG_ALLOW_ROOT, CONFIG_USER, t.flags);
}
static void zbx_check_db(void)
{
struct zbx_db_version_info_t db_version_info;
DBextract_version_info(&db_version_info);
if (DB_VERSION_NOT_SUPPORTED_ERROR == db_version_info.flag)
{
if (0 == CONFIG_ALLOW_UNSUPPORTED_DB_VERSIONS)
{
zabbix_log(LOG_LEVEL_ERR, " ");
zabbix_log(LOG_LEVEL_ERR, "Unable to start Zabbix proxy due to unsupported %s database server"
" version (%s)", db_version_info.database,
db_version_info.friendly_current_version);
zabbix_log(LOG_LEVEL_ERR, "Must be at least (%s)",
db_version_info.friendly_min_supported_version);
zabbix_log(LOG_LEVEL_ERR, "Use of supported database version is highly recommended.");
zabbix_log(LOG_LEVEL_ERR, "Override by setting AllowUnsupportedDBVersions=1"
" in Zabbix proxy configuration file at your own risk.");
zabbix_log(LOG_LEVEL_ERR, " ");
exit(EXIT_FAILURE);
}
else
{
zabbix_log(LOG_LEVEL_ERR, " ");
zabbix_log(LOG_LEVEL_ERR, "Warning! Unsupported %s database server version (%s)",
db_version_info.database, db_version_info.friendly_current_version);
zabbix_log(LOG_LEVEL_ERR, "Should be at least (%s)",
db_version_info.friendly_min_supported_version);
zabbix_log(LOG_LEVEL_ERR, "Use of supported database version is highly recommended.");
zabbix_log(LOG_LEVEL_ERR, " ");
}
}
zbx_free(db_version_info.friendly_current_version);
}
int MAIN_ZABBIX_ENTRY(int flags)
{
zbx_socket_t listen_sock;
char *error = NULL;
int i, db_type, ret;
zbx_rtc_t rtc;
zbx_timespec_t rtc_timeout = {1, 0};
if (0 != (flags & ZBX_TASK_FLAG_FOREGROUND))
{
printf("Starting Zabbix Proxy (%s) [%s]. Zabbix %s (revision %s).\nPress Ctrl+C to exit.\n\n",
ZBX_PROXYMODE_PASSIVE == CONFIG_PROXYMODE ? "passive" : "active",
CONFIG_HOSTNAME, ZABBIX_VERSION, ZABBIX_REVISION);
}
if (FAIL == zbx_ipc_service_init_env(CONFIG_SOCKET_PATH, &error))
{
zbx_error("cannot initialize IPC services: %s", error);
zbx_free(error);
exit(EXIT_FAILURE);
}
if (SUCCEED != zbx_locks_create(&error))
{
zbx_error("cannot create locks: %s", error);
zbx_free(error);
exit(EXIT_FAILURE);
}
if (SUCCEED != zabbix_open_log(CONFIG_LOG_TYPE, CONFIG_LOG_LEVEL, CONFIG_LOG_FILE, &error))
{
zbx_error("cannot open log:%s", error);
zbx_free(error);
exit(EXIT_FAILURE);
}
#ifdef HAVE_NETSNMP
# define SNMP_FEATURE_STATUS "YES"
#else
# define SNMP_FEATURE_STATUS " NO"
#endif
#ifdef HAVE_OPENIPMI
# define IPMI_FEATURE_STATUS "YES"
#else
# define IPMI_FEATURE_STATUS " NO"
#endif
#ifdef HAVE_LIBCURL
# define LIBCURL_FEATURE_STATUS "YES"
#else
# define LIBCURL_FEATURE_STATUS " NO"
#endif
#if defined(HAVE_LIBCURL) && defined(HAVE_LIBXML2)
# define VMWARE_FEATURE_STATUS "YES"
#else
# define VMWARE_FEATURE_STATUS " NO"
#endif
#ifdef HAVE_UNIXODBC
# define ODBC_FEATURE_STATUS "YES"
#else
# define ODBC_FEATURE_STATUS " NO"
#endif
#if defined(HAVE_SSH2) || defined(HAVE_SSH)
# define SSH_FEATURE_STATUS "YES"
#else
# define SSH_FEATURE_STATUS " NO"
#endif
#ifdef HAVE_IPV6
# define IPV6_FEATURE_STATUS "YES"
#else
# define IPV6_FEATURE_STATUS " NO"
#endif
#if defined(HAVE_GNUTLS) || defined(HAVE_OPENSSL)
# define TLS_FEATURE_STATUS "YES"
#else
# define TLS_FEATURE_STATUS " NO"
#endif
zabbix_log(LOG_LEVEL_INFORMATION, "Starting Zabbix Proxy (%s) [%s]. Zabbix %s (revision %s).",
ZBX_PROXYMODE_PASSIVE == CONFIG_PROXYMODE ? "passive" : "active",
CONFIG_HOSTNAME, ZABBIX_VERSION, ZABBIX_REVISION);
zabbix_log(LOG_LEVEL_INFORMATION, "**** Enabled features ****");
zabbix_log(LOG_LEVEL_INFORMATION, "SNMP monitoring: " SNMP_FEATURE_STATUS);
zabbix_log(LOG_LEVEL_INFORMATION, "IPMI monitoring: " IPMI_FEATURE_STATUS);
zabbix_log(LOG_LEVEL_INFORMATION, "Web monitoring: " LIBCURL_FEATURE_STATUS);
zabbix_log(LOG_LEVEL_INFORMATION, "VMware monitoring: " VMWARE_FEATURE_STATUS);
zabbix_log(LOG_LEVEL_INFORMATION, "ODBC: " ODBC_FEATURE_STATUS);
zabbix_log(LOG_LEVEL_INFORMATION, "SSH support: " SSH_FEATURE_STATUS);
zabbix_log(LOG_LEVEL_INFORMATION, "IPv6 support: " IPV6_FEATURE_STATUS);
zabbix_log(LOG_LEVEL_INFORMATION, "TLS support: " TLS_FEATURE_STATUS);
zabbix_log(LOG_LEVEL_INFORMATION, "**************************");
zabbix_log(LOG_LEVEL_INFORMATION, "using configuration file: %s", CONFIG_FILE);
#if defined(HAVE_GNUTLS) || defined(HAVE_OPENSSL)
if (SUCCEED != zbx_coredump_disable())
{
zabbix_log(LOG_LEVEL_CRIT, "cannot disable core dump, exiting...");
exit(EXIT_FAILURE);
}
#endif
if (FAIL == zbx_load_modules(CONFIG_LOAD_MODULE_PATH, CONFIG_LOAD_MODULE, CONFIG_TIMEOUT, 1))
{
zabbix_log(LOG_LEVEL_CRIT, "loading modules failed, exiting...");
exit(EXIT_FAILURE);
}
zbx_free_config();
if (SUCCEED != zbx_rtc_init(&rtc, &error))
{
zabbix_log(LOG_LEVEL_CRIT, "cannot initialize runtime control service: %s", error);
zbx_free(error);
exit(EXIT_FAILURE);
}
if (SUCCEED != init_database_cache(&error))
{
zabbix_log(LOG_LEVEL_CRIT, "cannot initialize database cache: %s", error);
zbx_free(error);
exit(EXIT_FAILURE);
}
if (SUCCEED != init_proxy_history_lock(&error))
{
zabbix_log(LOG_LEVEL_CRIT, "cannot initialize lock for passive proxy history: %s", error);
zbx_free(error);
exit(EXIT_FAILURE);
}
if (SUCCEED != init_configuration_cache(&error))
{
zabbix_log(LOG_LEVEL_CRIT, "cannot initialize configuration cache: %s", error);
zbx_free(error);
exit(EXIT_FAILURE);
}
if (SUCCEED != init_selfmon_collector(&error))
{
zabbix_log(LOG_LEVEL_CRIT, "cannot initialize self-monitoring: %s", error);
zbx_free(error);
exit(EXIT_FAILURE);
}
if (0 != CONFIG_VMWARE_FORKS && SUCCEED != zbx_vmware_init(&error))
{
zabbix_log(LOG_LEVEL_CRIT, "cannot initialize VMware cache: %s", error);
zbx_free(error);
exit(EXIT_FAILURE);
}
if (SUCCEED != zbx_vault_token_from_env_get(&CONFIG_VAULTTOKEN, &error))
{
zabbix_log(LOG_LEVEL_CRIT, "cannot initialize vault token: %s", error);
zbx_free(error);
exit(EXIT_FAILURE);
}
if (SUCCEED != zbx_vault_init(&error))
{
zabbix_log(LOG_LEVEL_CRIT, "cannot initialize vault: %s", error);
zbx_free(error);
exit(EXIT_FAILURE);
}
if (SUCCEED != zbx_vault_db_credentials_get(&CONFIG_DBUSER, &CONFIG_DBPASSWORD, &error))
{
zabbix_log(LOG_LEVEL_CRIT, "cannot initialize database credentials from vault: %s", error);
zbx_free(error);
exit(EXIT_FAILURE);
}
if (SUCCEED != DBinit(&error))
{
zabbix_log(LOG_LEVEL_CRIT, "cannot initialize database: %s", error);
zbx_free(error);
exit(EXIT_FAILURE);
}
DBinit_autoincrement_options();
if (ZBX_DB_UNKNOWN == (db_type = zbx_db_get_database_type()))
{
zabbix_log(LOG_LEVEL_CRIT, "cannot use database \"%s\": database is not a Zabbix database",
CONFIG_DBNAME);
exit(EXIT_FAILURE);
}
else if (ZBX_DB_PROXY != db_type)
{
zabbix_log(LOG_LEVEL_CRIT, "cannot use database \"%s\": Zabbix proxy cannot work with a"
" Zabbix server database", CONFIG_DBNAME);
exit(EXIT_FAILURE);
}
DBcheck_character_set();
zbx_check_db();
if (SUCCEED != DBcheck_version())
exit(EXIT_FAILURE);
change_proxy_history_count(proxy_get_history_count());
threads_num = CONFIG_CONFSYNCER_FORKS + CONFIG_HEARTBEAT_FORKS + CONFIG_DATASENDER_FORKS
+ CONFIG_POLLER_FORKS + CONFIG_UNREACHABLE_POLLER_FORKS + CONFIG_TRAPPER_FORKS
+ CONFIG_PINGER_FORKS + CONFIG_HOUSEKEEPER_FORKS + CONFIG_HTTPPOLLER_FORKS
+ CONFIG_DISCOVERER_FORKS + CONFIG_HISTSYNCER_FORKS + CONFIG_IPMIPOLLER_FORKS
+ CONFIG_JAVAPOLLER_FORKS + CONFIG_SNMPTRAPPER_FORKS + CONFIG_SELFMON_FORKS
+ CONFIG_VMWARE_FORKS + CONFIG_IPMIMANAGER_FORKS + CONFIG_TASKMANAGER_FORKS
+ CONFIG_PREPROCMAN_FORKS + CONFIG_PREPROCESSOR_FORKS + CONFIG_AVAILMAN_FORKS
+ CONFIG_ODBCPOLLER_FORKS;
threads = (pid_t *)zbx_calloc(threads, (size_t)threads_num, sizeof(pid_t));
threads_flags = (int *)zbx_calloc(threads_flags, (size_t)threads_num, sizeof(int));
if (0 != CONFIG_TRAPPER_FORKS)
{
if (FAIL == zbx_tcp_listen(&listen_sock, CONFIG_LISTEN_IP, (unsigned short)CONFIG_LISTEN_PORT))
{
zabbix_log(LOG_LEVEL_CRIT, "listener failed: %s", zbx_socket_strerror());
exit(EXIT_FAILURE);
}
}
#if defined(HAVE_GNUTLS) || defined(HAVE_OPENSSL)
zbx_tls_init_parent();
#endif
zabbix_log(LOG_LEVEL_INFORMATION, "proxy #0 started [main process]");
for (i = 0; i < threads_num; i++)
{
zbx_thread_args_t thread_args;
unsigned char poller_type;
if (FAIL == get_process_info_by_thread(i + 1, &thread_args.process_type, &thread_args.process_num))
{
THIS_SHOULD_NEVER_HAPPEN;
exit(EXIT_FAILURE);
}
thread_args.server_num = i + 1;
thread_args.args = NULL;
switch (thread_args.process_type)
{
case ZBX_PROCESS_TYPE_CONFSYNCER:
zbx_thread_start(proxyconfig_thread, &thread_args, &threads[i]);
if (FAIL == zbx_rtc_wait_config_sync(&rtc))
goto out;
break;
case ZBX_PROCESS_TYPE_TRAPPER:
thread_args.args = &listen_sock;
zbx_thread_start(trapper_thread, &thread_args, &threads[i]);
break;
case ZBX_PROCESS_TYPE_HEARTBEAT:
zbx_thread_start(heart_thread, &thread_args, &threads[i]);
break;
case ZBX_PROCESS_TYPE_DATASENDER:
zbx_thread_start(datasender_thread, &thread_args, &threads[i]);
break;
case ZBX_PROCESS_TYPE_POLLER:
poller_type = ZBX_POLLER_TYPE_NORMAL;
thread_args.args = &poller_type;
zbx_thread_start(poller_thread, &thread_args, &threads[i]);
break;
case ZBX_PROCESS_TYPE_UNREACHABLE:
poller_type = ZBX_POLLER_TYPE_UNREACHABLE;
thread_args.args = &poller_type;
zbx_thread_start(poller_thread, &thread_args, &threads[i]);
break;
case ZBX_PROCESS_TYPE_PINGER:
zbx_thread_start(pinger_thread, &thread_args, &threads[i]);
break;
case ZBX_PROCESS_TYPE_HOUSEKEEPER:
zbx_thread_start(housekeeper_thread, &thread_args, &threads[i]);
break;
case ZBX_PROCESS_TYPE_HTTPPOLLER:
zbx_thread_start(httppoller_thread, &thread_args, &threads[i]);
break;
case ZBX_PROCESS_TYPE_DISCOVERER:
zbx_thread_start(discoverer_thread, &thread_args, &threads[i]);
break;
case ZBX_PROCESS_TYPE_HISTSYNCER:
threads_flags[i] = ZBX_THREAD_PRIORITY_FIRST;
zbx_thread_start(dbsyncer_thread, &thread_args, &threads[i]);
break;
case ZBX_PROCESS_TYPE_JAVAPOLLER:
poller_type = ZBX_POLLER_TYPE_JAVA;
thread_args.args = &poller_type;
zbx_thread_start(poller_thread, &thread_args, &threads[i]);
break;
case ZBX_PROCESS_TYPE_SNMPTRAPPER:
zbx_thread_start(snmptrapper_thread, &thread_args, &threads[i]);
break;
case ZBX_PROCESS_TYPE_SELFMON:
zbx_thread_start(selfmon_thread, &thread_args, &threads[i]);
break;
case ZBX_PROCESS_TYPE_VMWARE:
zbx_thread_start(vmware_thread, &thread_args, &threads[i]);
break;
#ifdef HAVE_OPENIPMI
case ZBX_PROCESS_TYPE_IPMIMANAGER:
zbx_thread_start(ipmi_manager_thread, &thread_args, &threads[i]);
break;
case ZBX_PROCESS_TYPE_IPMIPOLLER:
zbx_thread_start(ipmi_poller_thread, &thread_args, &threads[i]);
break;
#endif
case ZBX_PROCESS_TYPE_TASKMANAGER:
zbx_thread_start(taskmanager_thread, &thread_args, &threads[i]);
break;
case ZBX_PROCESS_TYPE_PREPROCMAN:
zbx_thread_start(preprocessing_manager_thread, &thread_args, &threads[i]);
break;
case ZBX_PROCESS_TYPE_PREPROCESSOR:
zbx_thread_start(preprocessing_worker_thread, &thread_args, &threads[i]);
break;
case ZBX_PROCESS_TYPE_AVAILMAN:
threads_flags[i] = ZBX_THREAD_PRIORITY_FIRST;
zbx_thread_start(availability_manager_thread, &thread_args, &threads[i]);
break;
case ZBX_PROCESS_TYPE_ODBCPOLLER:
poller_type = ZBX_POLLER_TYPE_ODBC;
thread_args.args = &poller_type;
zbx_thread_start(poller_thread, &thread_args, &threads[i]);
break;
}
}
zbx_unset_exit_on_terminate();
while (ZBX_IS_RUNNING())
{
zbx_ipc_client_t *client;
zbx_ipc_message_t *message;
(void)zbx_ipc_service_recv(&rtc.service, &rtc_timeout, &client, &message);
if (NULL != message)
{
zbx_rtc_dispatch(&rtc, client, message);
zbx_ipc_message_free(message);
}
if (NULL != client)
zbx_ipc_client_release(client);
if (0 < (ret = waitpid((pid_t)-1, &i, WNOHANG)))
{
zabbix_log(LOG_LEVEL_CRIT, "PROCESS EXIT: %d", ret);
sig_exiting = ZBX_EXIT_FAILURE;
break;
}
if (-1 == ret && EINTR != errno)
{
zabbix_log(LOG_LEVEL_ERR, "failed to wait on child processes: %s", zbx_strerror(errno));
sig_exiting = ZBX_EXIT_FAILURE;
break;
}
}
out:
if (SUCCEED == ZBX_EXIT_STATUS())
zbx_rtc_shutdown_subs(&rtc);
zbx_on_exit(ZBX_EXIT_STATUS());
return SUCCEED;
}
void zbx_on_exit(int ret)
{
zabbix_log(LOG_LEVEL_DEBUG, "zbx_on_exit() called with ret:%d", ret);
if (NULL != threads)
{
zbx_threads_wait(threads, threads_flags, threads_num, ret); /* wait for all child processes to exit */
zbx_free(threads);
zbx_free(threads_flags);
}
#ifdef HAVE_PTHREAD_PROCESS_SHARED
zbx_locks_disable();
#endif
free_metrics();
zbx_ipc_service_free_env();
DBconnect(ZBX_DB_CONNECT_EXIT);
free_database_cache(ZBX_SYNC_ALL);
free_configuration_cache();
DBclose();
DBdeinit();
/* free vmware support */
zbx_vmware_destroy();
free_selfmon_collector();
free_proxy_history_lock();
zbx_unload_modules();
zabbix_log(LOG_LEVEL_INFORMATION, "Zabbix Proxy stopped. Zabbix %s (revision %s).",
ZABBIX_VERSION, ZABBIX_REVISION);
zabbix_close_log();
zbx_locks_destroy();
#if defined(PS_OVERWRITE_ARGV)
setproctitle_free_env();
#endif
exit(EXIT_SUCCESS);
}