void *agent_thread(void *arg) { ast_verb(2, "Starting %sAgent\n", res_snmp_agentx_subagent ? "Sub" : ""); snmp_enable_stderrlog(); if (res_snmp_agentx_subagent) netsnmp_ds_set_boolean(NETSNMP_DS_APPLICATION_ID, NETSNMP_DS_AGENT_ROLE, 1); init_agent("asterisk"); init_asterisk_mib(); init_snmp("asterisk"); if (!res_snmp_agentx_subagent) init_master_agent(); while (res_snmp_dont_stop) agent_check_and_process(1); snmp_shutdown("asterisk"); ast_verb(2, "Terminating %sAgent\n", res_snmp_agentx_subagent ? "Sub" : ""); return NULL; }
void netsnmp_subagent_init (evContext netsnmp_ctx) { /* setup isc context */ netsnmp_set_evcontext(netsnmp_ctx); /* set netsnmp parameters */ netsnmp_ds_set_init(); /* initialize agent */ init_agent(DNAME_JNX_EXAMPLED); /* register mib modules */ init_jnxExampleMIB(); init_jnxExampleNetSnmpVersion(); /* * start library */ init_snmp(DNAME_JNX_EXAMPLED); /* send out startup trap */ exampled_trap_send_startup(); }
void main() { int retries=0; if(netsnmp_ds_set_boolean(NETSNMP_DS_APPLICATION_ID,NETSNMP_DS_AGENT_ROLE,1)) { printf("netsnmp_ds_set_boolean failed"); return; } //initialize the agent while(0!=init_agent("mysnmpagent")) { printf("init_agent failed\n"); sleep(1); } netsnmp_ds_set_int(NETSNMP_DS_APPLICATION_ID,NETSNMP_DS_AGENT_AGENTX_PING_INTERVAL,5); //mib initialization code init_mysnmpagent(); init_snmp("mysnmpagent"); keep_running=1; printf("My agent starting...\n"); while(keep_running) { if(-1==agent_check_and_process(1)) printf("agent_check_and process failed\n"); } stop_server(); return; }
static void *snmp_thread(void *a) { sigset_t set; sigfillset(&set); sigdelset(&set, SIGKILL); sigdelset(&set, SIGSTOP); sigdelset(&set, 32); pthread_sigmask(SIG_BLOCK, &set, NULL); if (unshare(CLONE_FILES) < 0) { log_error("net-snmp: impossible to start SNMP thread:" " unshare(CLONE_FILES) failed (%s)\n", strerror(errno)); return NULL; } snmp_register_callback(SNMP_CALLBACK_LIBRARY, SNMP_CALLBACK_LOGGING, agent_log, NULL); snmp_disable_log(); snmp_enable_calllog(); //snmp_set_do_debugging(1); //netsnmp_ds_set_boolean(NETSNMP_DS_APPLICATION_ID, NETSNMP_DS_AGENT_ROLE, 1); if (!conf_master) netsnmp_enable_subagent(); init_agent(conf_agent_name); init_statCore(); init_statPPP(); init_statPPTP(); init_statL2TP(); init_statPPPOE(); init_statIPOE(); init_statSSTP(); init_terminate(); init_shutdown(); init_sessionTable(); init_cli(); init_snmp(conf_agent_name); if (conf_master) init_master_agent(); while (!snmp_term) { agent_check_and_process(1); } snmp_shutdown(conf_agent_name); SOCK_CLEANUP; return NULL; }
/* int main (int argc, char **argv) */ int init_ifs_agent() { int agentx_subagent=1; /* change this if you want to be a SNMP master agent */ int background = 0; /* change this if you want to run in the background */ int syslog = 0; /* change this if you want to use syslog */ std::cout << ".......1........." << std::endl; /* print log errors to syslog or stderr */ if (syslog) snmp_enable_calllog(); else snmp_enable_stderrlog(); std::cout << ".......1........." << std::endl; /* we're an agentx subagent? */ if (agentx_subagent) { /* make us a agentx client. */ netsnmp_ds_set_boolean(NETSNMP_DS_APPLICATION_ID, NETSNMP_DS_AGENT_ROLE, 1); } /* run in background, if requested */ if (background && netsnmp_daemonize(1, !syslog)) exit(1); /* initialize tcpip, if necessary */ SOCK_STARTUP; /* initialize the agent library */ init_agent("infinetfs_agent"); /* initialize mib code here */ /* mib code: init_nstAgentSubagentObject from nstAgentSubagentObject.C */ /* init_nstAgentSubagentObject(); */ init_infinetfs_mib_module(); /* example-demon will be used to read example-demon.conf files. */ init_snmp("infinetfs_agent"); /* If we're going to be a snmp master agent, initial the ports */ if (!agentx_subagent) init_master_agent(); /* open the port to listen on (defaults to udp:161) */ /* In case we recevie a request to stop (kill -TERM or kill -INT) */ keep_running = 1; signal(SIGTERM, stop_server); signal(SIGINT, stop_server); snmp_log(LOG_INFO,"infinetfs_agent is up and running.\n"); return 0; }
/*! This function opens up a connection with the master agent specified in * the snmpstats modules configuration file */ void register_with_master_agent(char *name_to_register_under) { /* Set ourselves up as an AgentX Client. */ netsnmp_ds_set_boolean(NETSNMP_DS_APPLICATION_ID, NETSNMP_DS_AGENT_ROLE, 1); /* Initialize TCP if necessary. (Its here for WIN32) compatibility. */ SOCK_STARTUP; LM_DBG("Connecting to SNMPD MasterX\n"); /* Read in our configuration file to determine master agent ping times * what port communication is to take place over, etc. */ init_agent("snmpstats"); /* Use a name we can register our agent under. */ init_snmp(name_to_register_under); LM_DBG("** Connected to SNMPD MasterX\n"); }
int init_snmp_agent(void) { int result; if (user_settings.is_master_agent) { netsnmp_ds_set_boolean(NETSNMP_DS_APPLICATION_ID, NETSNMP_DS_AGENT_ROLE, 1); } else { netsnmp_enable_subagent(); } if (user_settings.agentx_address != NULL) { netsnmp_ds_set_string(NETSNMP_DS_APPLICATION_ID, NETSNMP_DS_AGENT_X_SOCKET, user_settings.agentx_address); } if (user_settings.daemonize) snmp_enable_syslog(); else snmp_enable_stderrlog(); SOCK_STARTUP; if ((result = init_agent("collectd-agent")) != 0) { return -1; } if ((result = register_value_handlers()) != 0) { return -1; } if ((result = register_table_handlers()) != 0) { return -1; } if (user_settings.is_master_agent) { init_vacm_vars(); init_usmUser(); } init_snmp("collectd-snmpd"); if (user_settings.is_master_agent) { init_master_agent(); } return 0; }
static void init_snmp_subagent(const char *agentx_host, int agentx_port) { char agentx_socket[128]; int background = 1; /* change this if you want to run in the background */ int syslog = 0; /* change this if you want to use syslog */ snmp_enable_filelog("/var/log/exa_agentx.log", 1); snmp_log(LOG_INFO, "exa_agentx configured to connect to %s:%d\n", agentx_host, agentx_port); /* we're in an agentx subagent */ netsnmp_ds_set_boolean(NETSNMP_DS_APPLICATION_ID, NETSNMP_DS_AGENT_ROLE, 1); sprintf(agentx_socket, "tcp:%s:%d", agentx_host, agentx_port); netsnmp_ds_set_string(NETSNMP_DS_APPLICATION_ID, NETSNMP_DS_AGENT_X_SOCKET, agentx_socket); /* run in background, if requested */ if (background && netsnmp_daemonize(1, !syslog)) exit(1); snmp_log(LOG_INFO, "exa_agentx daemonized\n"); /* initialize tcpip, if necessary */ SOCK_STARTUP; /* initialize the agent library */ init_agent("exa_agentx"); /* initialize mib code here */ /* mib code: init_nstAgentSubagentObject from nstAgentSubagentObject.C */ /* not necessary to just send TRAPs !! */ /* init_mib_int_watch(); */ /* example-demon will be used to read example-demon.conf files. */ init_snmp("exa_agentx"); /* In case we recevie a request to stop (kill -TERM or kill -INT) */ stop = false; signal(SIGTERM, stop_server); signal(SIGINT, stop_server); snmp_log(LOG_INFO, "exa_agentx is up and running.\n"); }
static void init(char *controller_name, unsigned controller_port, bool try_self_route, bool try_local_router) { init_agent(false, controller_name, controller_port, try_self_route, try_local_router); init_dref_mgr(); set_agent_flush_helper(flush_dref_mgr); set_agent_global_helpers(uop_start, uop_finish); set_gc_handlers(worker_gc_start, worker_gc_finish); add_op_handler(OP_VAR, do_var_op); add_op_handler(OP_CANONIZE, do_canonize_op); add_op_handler(OP_CANONIZE_LOOKUP, do_canonize_lookup_op); add_op_handler(OP_RETRIEVE_LOOKUP, do_retrieve_lookup_op); add_op_handler(OP_ITE_LOOKUP, do_ite_lookup_op); add_op_handler(OP_ITE_RECURSE, do_ite_recurse_op); add_op_handler(OP_ITE_STORE, do_ite_store_op); add_op_handler(OP_UOP_DOWN, do_uop_down_op); add_op_handler(OP_UOP_UP, do_uop_up_op); add_op_handler(OP_UOP_STORE, do_uop_store_op); }
void snmp_agent_init(oid *myoid, int len, char *name, struct variable *variables, int varsize, int varlen) { log_message(LOG_INFO, "Starting SNMP subagent"); netsnmp_enable_subagent(); snmp_disable_log(); snmp_enable_calllog(); snmp_register_callback(SNMP_CALLBACK_LIBRARY, SNMP_CALLBACK_LOGGING, snmp_keepalived_log, NULL); /* Do not handle persistent states */ netsnmp_ds_set_boolean(NETSNMP_DS_LIBRARY_ID, NETSNMP_DS_LIB_DONT_PERSIST_STATE, TRUE); /* Do not load any MIB */ setenv("MIBS", "", 1); /* Ping AgentX less often than every 15 seconds: pinging can block keepalived. We check every 2 minutes. */ netsnmp_ds_set_int(NETSNMP_DS_APPLICATION_ID, NETSNMP_DS_AGENT_AGENTX_PING_INTERVAL, 120); /* We also register a callback to modify default timeout and retries value. */ snmp_register_callback(SNMP_CALLBACK_LIBRARY, SNMP_CALLBACK_SESSION_INIT, snmp_setup_session_cb, NULL); init_agent(name); if (register_mib(name, (struct variable *) variables, varsize, varlen, myoid, len) != MIB_REGISTERED_OK) log_message(LOG_WARNING, "Unable to register MIB"); register_mib("Keepalived", (struct variable *) global_vars, sizeof(struct variable8), sizeof(global_vars)/sizeof(struct variable8), global_oid, OID_LENGTH(global_oid)); init_snmp(name); register_sysORTable(global_oid, OID_LENGTH(global_oid) - 1, "The MIB module for Keepalived"); }
// Set up the SNMP agent. Returns 0 if it succeeds. int snmp_setup(const char* name) { // Make sure we start as a subagent, not a master agent. netsnmp_ds_set_boolean(NETSNMP_DS_APPLICATION_ID, NETSNMP_DS_AGENT_ROLE, 1); // Use callback-based logging, and integrate it with the Clearwater logger snmp_enable_calllog(); snmp_register_callback(SNMP_CALLBACK_LIBRARY, SNMP_CALLBACK_LOGGING, logging_callback, NULL); netsnmp_container_init_list(); int rc = init_agent(name); if (rc != 0) { TRC_WARNING("SNMP AgentX initialization failed"); } else { TRC_STATUS("AgentX agent initialised"); } return rc; }
int main(int argc, char **argv) { struct agent_context *ac = &default_context; uim_init();uim_quit(); return 0; init_agent(); /**/ printf("Hello World.\n"); while (1) { char buf[32]; if (fgets(buf, 32, stdin) == NULL) { continue; } if (isalpha((unsigned char)buf[0])) { uim_press_key(ac->uc, buf[0], 0); } else { uim_press_key(ac->uc, UKey_Return, 0); } } return 0; }
int main(int argc, char **argv) { int agentx_subagent = 1; //Change to make an SNMP master agent /* print log errors to stderr */ snmp_enable_stderrlog(); /* we're an agentx subagent? */ if (agentx_subagent) { /* * This is an agentx client. Specify 0 for * NETSNMP_DS_AGENT_ROLE if the agent is master agent. * Specify 1 for NETSNMP_DS_AGENT_ROLE, if the agent is a * client. */ netsnmp_ds_set_boolean(NETSNMP_DS_APPLICATION_ID, NETSNMP_DS_AGENT_ROLE, 1); DEBUGMSGTL(("demo_module_8", "NETSNMP_DS_APPLICATION_ID = %s:\n", NETSNMP_DS_APPLICATION_ID)); DEBUGMSGTL(("demo_module_8", "NETSNMP_DS_AGENT_ROLE = %s:\n", NETSNMP_DS_AGENT_ROLE)); } /* * Initializes the embedded agent. Call this function before the * init_snmp() call. The string name specifies which .conf file to * read when init_snmp() is called later. */ init_agent("demo_module_8"); DEBUGMSGTL(("demo_module_8", "CALLING init_agent\n")); /* initialize mib code here */ /* mib code: init_me1LoadGroup from me1LoadGroup.c */ init_me1LoadGroup(); /* * Initializes the SNMP library, which causes the agent to read your * application's configuration files. The agent first tries to read * the configuration files named by the string passed as an argument. * You might use this to configure access control, for example. */ init_snmp("demo_module_8"); /* * Initializes the master agent and causes it to listen for SNMP * requests on its default UDP port of 161. Open the port to listen * (defaults to udp: 161) */ if (!agentx_subagent) init_master_agent(); /* In case we get a request to stop (kill -TERM or kill -INT) */ keep_running = 1; signal(SIGTERM, stop_server); signal(SIGINT, stop_server); /* * The main loop. If you use select(), see snmp_select_info() in * snmp_api(3). This checks for packets arriving on the SNMP port and * processes them if some are found. If block is non zero, the * function call blocks until a packet arrives or an alarm must be * run (see snmp_alarm(3)). * * The return value from this function is a positive integer if packets * were processed, zero if an alarm occurre, and -1 if an error * occured. */ while (keep_running) { /* OR */ agent_check_and_process(1); /* 0 == don't block */ } /* * Shuts down the agent, saving any needed persistent storage. */ snmp_shutdown("demo_module_8"); }
static void initialize_internal(void) { lagopus_result_t ret = LAGOPUS_RESULT_ANY_FAILURES; void *logger_client_arg = NULL; char *master_agentx_socket = NULL; char *ping_interval_string = NULL; uint16_t ping_interval = 0; state = SNMPMGR_NONE; /* `is_thread` is able to be changed only once here */ is_thread = is_thread_dummy; if (is_thread == false && thdptr_dummy != NULL) { *thdptr_dummy = NULL; } else if (thdptr_dummy != NULL) { *thdptr_dummy = &snmpmgr; } else { /* never reached! */ return; } if (lagopus_mutex_create(&snmp_lock) != LAGOPUS_RESULT_OK) { return; } if (lagopus_mutex_create(&snmp_state_lock) != LAGOPUS_RESULT_OK) { return; } snmp_set_do_debugging(false); /* setup Net-SNMP logger to use the lagopus logging function */ if (snmp_register_callback(SNMP_CALLBACK_LIBRARY, SNMP_CALLBACK_LOGGING, snmp_log_callback_wrapper, logger_client_arg) != SNMPERR_SUCCESS) { return; } snmp_enable_calllog(); /* setup the SNMP module to be Agentx subagent */ netsnmp_enable_subagent(); #ifdef THE_CONFSYS_ERA master_agentx_socket = config_get("snmp master-agentx-socket WORD"); if (master_agentx_socket == NULL) { config_set_default("snmp master-agentx-socket WORD", (char *)DEFAULT_SNMPMGR_AGENTX_SOCKET); master_agentx_socket = config_get("snmp master-agentx-socket WORD"); } #else /* * FIXME: * Fetch it from the datastore. */ master_agentx_socket = (char *)DEFAULT_SNMPMGR_AGENTX_SOCKET; #endif /* THE_CONFSYS_ERA */ lagopus_msg_debug(25, "master agentx socket is %s\n", master_agentx_socket); if (netsnmp_ds_set_string(NETSNMP_DS_APPLICATION_ID, NETSNMP_DS_AGENT_X_SOCKET, master_agentx_socket) != SNMPERR_SUCCESS) { initialize_ret = LAGOPUS_RESULT_SNMP_API_ERROR; return; } /* don't read/write configuration files */ if (netsnmp_ds_set_boolean(NETSNMP_DS_LIBRARY_ID, NETSNMP_DS_LIB_DONT_PERSIST_STATE, true) != SNMPERR_SUCCESS) { initialize_ret = LAGOPUS_RESULT_SNMP_API_ERROR; return; } if (netsnmp_ds_set_boolean(NETSNMP_DS_LIBRARY_ID, NETSNMP_DS_LIB_DISABLE_PERSISTENT_LOAD, true) != SNMPERR_SUCCESS) { initialize_ret = LAGOPUS_RESULT_SNMP_API_ERROR; return; } /* the interval [sec] to send ping to AgentX master agent */ #ifdef THE_CONFSYS_ERA ping_interval_string = config_get("snmp ping-interval-second 1-255"); if (ping_interval_string != NULL && (ret = check_ping_interval(ping_interval_string, &ping_interval)) != LAGOPUS_RESULT_OK) { config_set_default("snmp ping-interval-second 1-255", (char *) __STR__(DEFAULT_SNMPMGR_AGENTX_PING_INTERVAL_SEC)); ping_interval_string = config_get("snmp ping-interval-second 1-255"); ping_interval = DEFAULT_SNMPMGR_AGENTX_PING_INTERVAL_SEC; /* default value */ } #else /* * FIXME: * Fetch it from the datastore. */ ping_interval = DEFAULT_SNMPMGR_AGENTX_PING_INTERVAL_SEC; #endif /* THE_CONFSYS_ERA */ if (netsnmp_ds_set_int(NETSNMP_DS_APPLICATION_ID, NETSNMP_DS_AGENT_AGENTX_PING_INTERVAL, (int)ping_interval) != SNMPERR_SUCCESS) { initialize_ret = LAGOPUS_RESULT_SNMP_API_ERROR; return; } if (init_agent(SNMP_TYPE) != SNMPERR_SUCCESS) { initialize_ret = LAGOPUS_RESULT_SNMP_API_ERROR; return; } if ((ret = lagopus_hashmap_create(&iftable_entry_hash, LAGOPUS_HASHMAP_TYPE_STRING, delete_entry)) != LAGOPUS_RESULT_OK) { lagopus_perror(ret); exit(1); } init_ifTable(); init_ifNumber(); init_dot1dBaseBridgeAddress(); init_dot1dBaseNumPorts(); init_dot1dBasePortTable(); init_dot1dBaseType(); if (is_thread == false) { initialize_ret = LAGOPUS_RESULT_OK; } else { keep_running = true; initialize_ret = lagopus_thread_create(&snmpmgr, snmpmgr_thread_loop, snmpmgr_thread_finally_called, NULL, "snmpmgr", NULL); } lagopus_msg_info("SNMP manager initialized.\n"); }
main(int argc, char *argv[]) #endif { char options[128] = "aAc:CdD::efF:g:hHI:L:m:M:no:O:PqsS:tu:vx:-:"; netsnmp_session *sess_list = NULL, *ss = NULL; netsnmp_transport *transport = NULL; int arg, i = 0, depmsg = 0; int uid = 0, gid = 0; int count, numfds, block; fd_set readfds,writefds,exceptfds; struct timeval timeout, *tvp; char *cp, *listen_ports = NULL; #if defined(USING_AGENTX_SUBAGENT_MODULE) && !defined(NETSNMP_SNMPTRAPD_DISABLE_AGENTX) int agentx_subagent = 1; #endif netsnmp_trapd_handler *traph; #ifdef NETSNMP_EMBEDDED_PERL extern void init_perl(void); #endif #ifndef WIN32 /* * close all non-standard file descriptors we may have * inherited from the shell. */ for (i = getdtablesize() - 1; i > 2; --i) { (void) close(i); } #endif /* #WIN32 */ #ifdef SIGTERM signal(SIGTERM, term_handler); #endif #ifdef SIGHUP signal(SIGHUP, SIG_IGN); /* do not terminate on early SIGHUP */ #endif #ifdef SIGINT signal(SIGINT, term_handler); #endif #ifdef SIGPIPE signal(SIGPIPE, SIG_IGN); /* 'Inline' failure of wayward readers */ #endif #ifdef SIGHUP signal(SIGHUP, SIG_IGN); /* do not terminate on early SIGHUP */ #endif /* * register our configuration handlers now so -H properly displays them */ snmptrapd_register_configs( ); init_usm_conf( "snmptrapd" ); register_config_handler("snmptrapd", "snmpTrapdAddr", parse_trapd_address, free_trapd_address, "string"); register_config_handler("snmptrapd", "doNotLogTraps", parse_config_doNotLogTraps, NULL, "(1|yes|true|0|no|false)"); #if HAVE_GETPID register_config_handler("snmptrapd", "pidFile", parse_config_pidFile, NULL, "string"); #endif #ifdef HAVE_UNISTD_H register_config_handler("snmptrapd", "agentuser", parse_config_agentuser, NULL, "userid"); register_config_handler("snmptrapd", "agentgroup", parse_config_agentgroup, NULL, "groupid"); #endif register_config_handler("snmptrapd", "logOption", parse_config_logOption, NULL, "string"); register_config_handler("snmptrapd", "doNotFork", parse_config_doNotFork, NULL, "(1|yes|true|0|no|false)"); register_config_handler("snmptrapd", "printEventNumbers", parse_config_printEventNumbers, NULL, "(1|yes|true|0|no|false)"); register_config_handler("snmptrapd", "ignoreAuthFailure", parse_config_ignoreAuthFailure, NULL, "(1|yes|true|0|no|false)"); register_config_handler("snmptrapd", "outputOption", parse_config_outputOption, NULL, "string"); #ifdef WIN32 setvbuf(stdout, NULL, _IONBF, BUFSIZ); #else setvbuf(stdout, NULL, _IOLBF, BUFSIZ); #endif /* * Add some options if they are available. */ #if HAVE_GETPID strcat(options, "p:"); #endif #ifdef WIN32 snmp_log_syslogname(app_name_long); #else snmp_log_syslogname(app_name); #endif /* * Now process options normally. */ while ((arg = getopt(argc, argv, options)) != EOF) { switch (arg) { case '-': if (strcasecmp(optarg, "help") == 0) { usage(); exit(0); } if (strcasecmp(optarg, "version") == 0) { version(); exit(0); } handle_long_opt(optarg); break; case 'a': dropauth = 1; break; case 'A': netsnmp_ds_set_boolean(NETSNMP_DS_LIBRARY_ID, NETSNMP_DS_LIB_APPEND_LOGFILES, 1); break; case 'c': if (optarg != NULL) { netsnmp_ds_set_string(NETSNMP_DS_LIBRARY_ID, NETSNMP_DS_LIB_OPTIONALCONFIG, optarg); } else { usage(); exit(1); } break; case 'C': netsnmp_ds_set_boolean(NETSNMP_DS_LIBRARY_ID, NETSNMP_DS_LIB_DONT_READ_CONFIGS, 1); break; case 'd': snmp_set_dump_packet(1); break; case 'D': debug_register_tokens(optarg); snmp_set_do_debugging(1); break; case 'e': Event++; break; case 'f': dofork = 0; break; case 'F': if (optarg != NULL) { trap1_fmt_str_remember = optarg; } else { usage(); exit(1); } break; #if HAVE_UNISTD_H case 'g': if (optarg != NULL) { netsnmp_ds_set_int(NETSNMP_DS_APPLICATION_ID, NETSNMP_DS_AGENT_GROUPID, gid = atoi(optarg)); } else { usage(); exit(1); } break; #endif case 'h': usage(); exit(0); case 'H': init_agent("snmptrapd"); #ifdef USING_NOTIFICATION_LOG_MIB_NOTIFICATION_LOG_MODULE init_notification_log(); #endif #ifdef NETSNMP_EMBEDDED_PERL init_perl(); #endif init_snmp("snmptrapd"); fprintf(stderr, "Configuration directives understood:\n"); read_config_print_usage(" "); exit(0); case 'I': if (optarg != NULL) { add_to_init_list(optarg); } else { usage(); } break; case 'S': fprintf(stderr, "Warning: -S option is deprecated; use -Ls <facility> instead\n"); depmsg = 1; if (optarg != NULL) { switch (*optarg) { case 'd': case 'D': Facility = LOG_DAEMON; break; case 'i': case 'I': Facility = LOG_INFO; break; case '0': Facility = LOG_LOCAL0; break; case '1': Facility = LOG_LOCAL1; break; case '2': Facility = LOG_LOCAL2; break; case '3': Facility = LOG_LOCAL3; break; case '4': Facility = LOG_LOCAL4; break; case '5': Facility = LOG_LOCAL5; break; case '6': Facility = LOG_LOCAL6; break; case '7': Facility = LOG_LOCAL7; break; default: fprintf(stderr, "invalid syslog facility: -S%c\n",*optarg); usage(); exit(1); } } else { fprintf(stderr, "no syslog facility specified\n"); usage(); exit(1); } break; case 'm': if (optarg != NULL) { setenv("MIBS", optarg, 1); } else { usage(); exit(1); } break; case 'M': if (optarg != NULL) { setenv("MIBDIRS", optarg, 1); } else { usage(); exit(1); } break; case 'n': netsnmp_ds_set_boolean(NETSNMP_DS_APPLICATION_ID, NETSNMP_DS_APP_NUMERIC_IP, 1); break; case 'o': fprintf(stderr, "Warning: -o option is deprecated; use -Lf <file> instead\n"); if (optarg != NULL) { logfile = optarg; snmp_enable_filelog(optarg, netsnmp_ds_get_boolean(NETSNMP_DS_LIBRARY_ID, NETSNMP_DS_LIB_APPEND_LOGFILES)); } else { usage(); exit(1); } break; case 'O': cp = snmp_out_toggle_options(optarg); if (cp != NULL) { fprintf(stderr, "Unknown output option passed to -O: %c\n", *cp); usage(); exit(1); } break; case 'L': if (snmp_log_options( optarg, argc, argv ) < 0 ) { usage(); exit(1); } break; #if HAVE_GETPID case 'p': if (optarg != NULL) { parse_config_pidFile(NULL, optarg); } else { usage(); exit(1); } break; #endif case 'P': fprintf(stderr, "Warning: -P option is deprecated; use -f -Le instead\n"); dofork = 0; snmp_enable_stderrlog(); break; case 's': fprintf(stderr, "Warning: -s option is deprecated; use -Lsd instead\n"); depmsg = 1; #ifdef WIN32 snmp_enable_syslog_ident(app_name_long, Facility); #else snmp_enable_syslog_ident(app_name, Facility); #endif break; case 't': SyslogTrap++; break; #if HAVE_UNISTD_H case 'u': if (optarg != NULL) { char *ecp; uid = strtoul(optarg, &ecp, 10); if (*ecp) { #if HAVE_GETPWNAM && HAVE_PWD_H struct passwd *info; info = getpwnam(optarg); if (info) { uid = info->pw_uid; } else { #endif fprintf(stderr, "Bad user id: %s\n", optarg); exit(1); #if HAVE_GETPWNAM && HAVE_PWD_H } #endif } netsnmp_ds_set_int(NETSNMP_DS_APPLICATION_ID, NETSNMP_DS_AGENT_USERID, uid); } else { usage(); exit(1); } break; #endif case 'v': version(); exit(0); break; case 'x': if (optarg != NULL) { netsnmp_ds_set_string(NETSNMP_DS_APPLICATION_ID, NETSNMP_DS_AGENT_X_SOCKET, optarg); } else { usage(); exit(1); } break; default: fprintf(stderr, "invalid option: -%c\n", arg); usage(); exit(1); break; } } if (optind < argc) { /* * There are optional transport addresses on the command line. */ for (i = optind; i < argc; i++) { char *astring; if (listen_ports != NULL) { astring = malloc(strlen(listen_ports) + 2 + strlen(argv[i])); if (astring == NULL) { fprintf(stderr, "malloc failure processing argv[%d]\n", i); exit(1); } sprintf(astring, "%s,%s", listen_ports, argv[i]); free(listen_ports); listen_ports = astring; } else { listen_ports = strdup(argv[i]); if (listen_ports == NULL) { fprintf(stderr, "malloc failure processing argv[%d]\n", i); exit(1); } } } } SOCK_STARTUP; /* * I'm being lazy here, and not checking the * return value from these registration calls. * Don't try this at home, children! */ if (0 == snmp_get_do_logging()) { traph = netsnmp_add_global_traphandler(NETSNMPTRAPD_PRE_HANDLER, syslog_handler); traph->authtypes = TRAP_AUTH_LOG; snmp_enable_syslog(); } else { traph = netsnmp_add_global_traphandler(NETSNMPTRAPD_PRE_HANDLER, print_handler); traph->authtypes = TRAP_AUTH_LOG; } if (Event) { traph = netsnmp_add_traphandler(event_handler, risingAlarm, OID_LENGTH(risingAlarm)); traph->authtypes = TRAP_AUTH_LOG; traph = netsnmp_add_traphandler(event_handler, fallingAlarm, OID_LENGTH(fallingAlarm)); traph->authtypes = TRAP_AUTH_LOG; traph = netsnmp_add_traphandler(event_handler, unavailableAlarm, OID_LENGTH(unavailableAlarm)); traph->authtypes = TRAP_AUTH_LOG; /* XXX - might be worth setting some "magic data" * in the traphandler structure that 'event_handler' * can use to avoid checking the trap OID values. */ } #if defined(USING_AGENTX_SUBAGENT_MODULE) && !defined(NETSNMP_SNMPTRAPD_DISABLE_AGENTX) /* * we're an agentx subagent? */ if (agentx_subagent) { /* * make us a agentx client. */ netsnmp_ds_set_boolean(NETSNMP_DS_APPLICATION_ID, NETSNMP_DS_AGENT_ROLE, 1); } #endif /* * don't fail if we can't do agentx (ie, socket not there, or not root) */ netsnmp_ds_toggle_boolean(NETSNMP_DS_APPLICATION_ID, NETSNMP_DS_AGENT_NO_ROOT_ACCESS); /* * ignore any warning messages. */ netsnmp_ds_toggle_boolean(NETSNMP_DS_APPLICATION_ID, NETSNMP_DS_AGENT_NO_CONNECTION_WARNINGS); /* * initialize the agent library */ init_agent("snmptrapd"); #if defined(USING_AGENTX_SUBAGENT_MODULE) && !defined(NETSNMP_SNMPTRAPD_DISABLE_AGENTX) /* * initialize local modules */ if (agentx_subagent) { #ifdef USING_SNMPV3_SNMPENGINE_MODULE extern void register_snmpEngine_scalars_context(const char *); #endif subagent_init(); #ifdef USING_NOTIFICATION_LOG_MIB_NOTIFICATION_LOG_MODULE /* register the notification log table */ if (should_init("notificationLogMib")) { netsnmp_ds_set_string(NETSNMP_DS_APPLICATION_ID, NETSNMP_DS_NOTIF_LOG_CTX, "snmptrapd"); traph = netsnmp_add_global_traphandler(NETSNMPTRAPD_POST_HANDLER, notification_handler); traph->authtypes = TRAP_AUTH_LOG; init_notification_log(); } #endif #ifdef USING_SNMPV3_SNMPENGINE_MODULE /* * register scalars from SNMP-FRAMEWORK-MIB::snmpEngineID group; * allows engineID probes via the master agent under the * snmptrapd context */ register_snmpEngine_scalars_context("snmptrapd"); #endif } #endif /* USING_AGENTX_SUBAGENT_MODULE && !NETSNMP_SNMPTRAPD_DISABLE_AGENTX */ /* register our authorization handler */ init_netsnmp_trapd_auth(); #if defined(USING_AGENTX_SUBAGENT_MODULE) && !defined(NETSNMP_SNMPTRAPD_DISABLE_AGENTX) if (agentx_subagent) { #ifdef USING_AGENT_NSVACMACCESSTABLE_MODULE extern void init_register_nsVacm_context(const char *); #endif #ifdef USING_SNMPV3_USMUSER_MODULE extern void init_register_usmUser_context(const char *); /* register ourselves as having a USM user database */ init_register_usmUser_context("snmptrapd"); #endif #ifdef USING_AGENT_NSVACMACCESSTABLE_MODULE /* register net-snmp vacm extensions */ init_register_nsVacm_context("snmptrapd"); #endif } #endif #ifdef NETSNMP_EMBEDDED_PERL init_perl(); { /* set the default path to load */ char init_file[SNMP_MAXBUF]; snprintf(init_file, sizeof(init_file) - 1, "%s/%s", SNMPSHAREPATH, "snmp_perl_trapd.pl"); netsnmp_ds_set_string(NETSNMP_DS_APPLICATION_ID, NETSNMP_DS_AGENT_PERL_INIT_FILE, init_file); } #endif /* * Initialize the world. */ init_snmp("snmptrapd"); #ifdef SIGHUP signal(SIGHUP, hup_handler); #endif if (trap1_fmt_str_remember) { free_trap1_fmt(); free_trap2_fmt(); print_format1 = strdup(trap1_fmt_str_remember); print_format2 = strdup(trap1_fmt_str_remember); } if (netsnmp_ds_get_boolean(NETSNMP_DS_APPLICATION_ID, NETSNMP_DS_AGENT_QUIT_IMMEDIATELY)) { /* * just starting up to process specific configuration and then * shutting down immediately. */ netsnmp_running = 0; } /* * if no logging options on command line or in conf files, use syslog */ if (0 == snmp_get_do_logging()) { #ifdef WIN32 snmp_enable_syslog_ident(app_name_long, Facility); #else snmp_enable_syslog_ident(app_name, Facility); #endif } #ifndef WIN32 /* * fork the process to the background if we are not printing to stderr */ if (dofork && netsnmp_running) { int fd; switch (fork()) { case -1: fprintf(stderr, "bad fork - %s\n", strerror(errno)); _exit(1); case 0: /* * become process group leader */ if (setsid() == -1) { fprintf(stderr, "bad setsid - %s\n", strerror(errno)); _exit(1); } /* * if we are forked, we don't want to print out to stdout or stderr */ fd = open("/dev/null", O_RDWR); dup2(fd, STDIN_FILENO); dup2(fd, STDOUT_FILENO); dup2(fd, STDERR_FILENO); close(fd); break; default: _exit(0); } } #endif /* WIN32 */ #if HAVE_GETPID if (pid_file != NULL) { if ((PID = fopen(pid_file, "w")) == NULL) { snmp_log_perror("fopen"); exit(1); } fprintf(PID, "%d\n", (int) getpid()); fclose(PID); free_config_pidFile(); } #endif snmp_log(LOG_INFO, "NET-SNMP version %s\n", netsnmp_get_version()); if (depmsg) { snmp_log(LOG_WARNING, "-s and -S options are deprecated; use -Ls <facility> instead\n"); } if (listen_ports) cp = listen_ports; else cp = default_port; while (cp != NULL) { char *sep = strchr(cp, ','); if (sep != NULL) { *sep = 0; } transport = netsnmp_transport_open_server("snmptrap", cp); if (transport == NULL) { snmp_log(LOG_ERR, "couldn't open %s -- errno %d (\"%s\")\n", cp, errno, strerror(errno)); snmptrapd_close_sessions(sess_list); SOCK_CLEANUP; exit(1); } else { ss = snmptrapd_add_session(transport); if (ss == NULL) { /* * Shouldn't happen? We have already opened the transport * successfully so what could have gone wrong? */ snmptrapd_close_sessions(sess_list); netsnmp_transport_free(transport); snmp_log(LOG_ERR, "couldn't open snmp - %s", strerror(errno)); SOCK_CLEANUP; exit(1); } else { ss->next = sess_list; sess_list = ss; } } /* * Process next listen address, if there is one. */ if (sep != NULL) { *sep = ','; cp = sep + 1; } else { cp = NULL; } } /* * ignore early sighup during startup */ reconfig = 0; #if HAVE_UNISTD_H #ifdef HAVE_SETGID if ((gid = netsnmp_ds_get_int(NETSNMP_DS_APPLICATION_ID, NETSNMP_DS_AGENT_GROUPID)) != 0) { DEBUGMSGTL(("snmptrapd/main", "Changing gid to %d.\n", gid)); if (setgid(gid) == -1 #ifdef HAVE_SETGROUPS || setgroups(1, (gid_t *)&gid) == -1 #endif ) { snmp_log_perror("setgid failed"); if (!netsnmp_ds_get_boolean(NETSNMP_DS_APPLICATION_ID, NETSNMP_DS_AGENT_NO_ROOT_ACCESS)) { exit(1); } } } #endif #ifdef HAVE_SETUID if ((uid = netsnmp_ds_get_int(NETSNMP_DS_APPLICATION_ID, NETSNMP_DS_AGENT_USERID)) != 0) { DEBUGMSGTL(("snmptrapd/main", "Changing uid to %d.\n", uid)); if (setuid(uid) == -1) { snmp_log_perror("setuid failed"); if (!netsnmp_ds_get_boolean(NETSNMP_DS_APPLICATION_ID, NETSNMP_DS_AGENT_NO_ROOT_ACCESS)) { exit(1); } } } #endif #endif #ifdef WIN32SERVICE trapd_status = SNMPTRAPD_RUNNING; #endif while (netsnmp_running) { if (reconfig) { /* * If we are logging to a file, receipt of SIGHUP also * indicates the the log file should be closed and * re-opened. This is useful for users that want to * rotate logs in a more predictable manner. */ netsnmp_logging_restart(); snmp_log(LOG_INFO, "NET-SNMP version %s restarted\n", netsnmp_get_version()); trapd_update_config(); if (trap1_fmt_str_remember) { free_trap1_fmt(); free_trap2_fmt(); print_format1 = strdup(trap1_fmt_str_remember); print_format2 = strdup(trap1_fmt_str_remember); } reconfig = 0; } numfds = 0; FD_ZERO(&readfds); FD_ZERO(&writefds); FD_ZERO(&exceptfds); block = 0; tvp = &timeout; timerclear(tvp); tvp->tv_sec = 5; snmp_select_info(&numfds, &readfds, tvp, &block); if (block == 1) tvp = NULL; /* block without timeout */ netsnmp_external_event_info(&numfds, &readfds, &writefds, &exceptfds); count = select(numfds, &readfds, &writefds, &exceptfds, tvp); gettimeofday(&Now, 0); if (count > 0) { netsnmp_dispatch_external_events(&count, &readfds, &writefds, &exceptfds); /* If there are any more events after external events, then * try SNMP events. */ if (count > 0) { snmp_read(&readfds); } } else switch (count) { case 0: snmp_timeout(); break; case -1: if (errno == EINTR) continue; snmp_log_perror("select"); netsnmp_running = 0; break; default: fprintf(stderr, "select returned %d\n", count); netsnmp_running = 0; } run_alarms(); } if (snmp_get_do_logging()) { struct tm *tm; time_t timer; time(&timer); tm = localtime(&timer); snmp_log(LOG_INFO, "%.4d-%.2d-%.2d %.2d:%.2d:%.2d NET-SNMP version %s Stopped.\n", tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday, tm->tm_hour, tm->tm_min, tm->tm_sec, netsnmp_get_version()); } snmp_log(LOG_INFO, "Stopping snmptrapd"); snmptrapd_close_sessions(sess_list); snmp_shutdown("snmptrapd"); #ifdef WIN32SERVICE trapd_status = SNMPTRAPD_STOPPED; #endif snmp_disable_log(); SOCK_CLEANUP; return 0; }
int main(int argc, char** argv) { int agentx_subagent = 1; /* change this if you want to be a SNMP master agent */ /* Defs for arg-handling code: handles setting of policy-related variables */ int ch; extern char* optarg; int dont_fork = 0, use_syslog = 0; char const* agentx_socket = NULL; char const* app_name = "moninor-agent"; char const* directory = "/home/"; while ((ch = getopt(argc, argv, "a:p:hdD:fHLMx:")) != EOF) { switch (ch) { case 'a': app_name = optarg; break; case 'p': directory = optarg; break; case 'h': print_usage(); exit(0); case 'd': print_tokens(); exit(0); break; case 'D': debug_register_tokens(optarg); snmp_set_do_debugging(1); break; case 'f': dont_fork = 1; break; case 'M': agentx_subagent = 0; break; case 'L': use_syslog = 0; /* use stderr */ break; case 'x': agentx_socket = optarg; break; default: fprintf(stderr, "unknown option %c\n", ch); print_usage(); } } if (optind < argc) { int i; /* * There are optional transport addresses on the command line. */ DEBUGMSGTL(("snmpd/main", "optind %d, argc %d\n", optind, argc)); for (i = optind; i < argc; i++) { char* c, *astring; if ((c = netsnmp_ds_get_string(NETSNMP_DS_APPLICATION_ID, NETSNMP_DS_AGENT_PORTS))) { astring = malloc(strlen(c) + 2 + strlen(argv[i])); if (astring == NULL) { fprintf(stderr, "malloc failure processing argv[%d]\n", i); exit(1); } sprintf(astring, "%s,%s", c, argv[i]); netsnmp_ds_set_string(NETSNMP_DS_APPLICATION_ID, NETSNMP_DS_AGENT_PORTS, astring); SNMP_FREE(astring); } else { netsnmp_ds_set_string(NETSNMP_DS_APPLICATION_ID, NETSNMP_DS_AGENT_PORTS, argv[i]); } } DEBUGMSGTL(("snmpd/main", "port spec: %s\n", netsnmp_ds_get_string(NETSNMP_DS_APPLICATION_ID, NETSNMP_DS_AGENT_PORTS))); } /* check directory existence */ DIR* dir = opendir(directory); if (dir) { closedir(dir); } else if (ENOENT == errno) { puts("Directory doesn't not exist."); exit(-1); } else { puts("Cannot open direcory."); exit(-1); } /* we're an agentx subagent? */ if (agentx_subagent) { /* make us a agentx client. */ netsnmp_enable_subagent(); if (NULL != agentx_socket) { netsnmp_ds_set_string(NETSNMP_DS_APPLICATION_ID, NETSNMP_DS_AGENT_X_SOCKET, agentx_socket); } } snmp_disable_log(); if (use_syslog) snmp_enable_calllog(); else snmp_enable_stderrlog(); /* daemonize */ if (!dont_fork) { int rc = netsnmp_daemonize(1, !use_syslog); if (rc) exit(-1); } /* initialize tcp/ip if necessary */ SOCK_STARTUP; /* initialize the agent library */ init_agent(app_name); /* init mib code */ global_settings_t* settings = get_mutable_global_settings(); strcpy(settings->path, directory); void* data[4] = {NULL, NULL, NULL, NULL}; init_Directory(data + 0); init_DirectoryStateNotification(data + 1); init_NumDirectories(data + 2); init_NumFiles(data + 3); init_DirectoryContentTable(); /* read app_name.conf files. */ init_snmp(app_name); /* If we're going to be a snmp master agent, initial the ports */ if (!agentx_subagent) init_master_agent(); /* open the port to listen on (defaults to udp:161) */ /* In case we recevie a request to stop (kill -TERM or kill -INT) */ g_keep_running = 1; signal(SIGTERM, stop_server); signal(SIGINT, stop_server); /* you're main loop here... */ while (g_keep_running) { agent_check_and_process(1); /* 0 == don't block */ } shutdown_DirectoryContentTable(); shutdown_NumFiles(data[3]); shutdown_NumDirectories(data[2]); shutdown_DirectoryStateNotification(data[1]); shutdown_Directory(data[0]); /* at shutdown time */ snmp_shutdown(app_name); SOCK_CLEANUP; exit(0); }
int main(int argc, char *argv[]) { int agentx_subagent; /* change this if you want to be a SNMP master agent */ int background; /* change this if you want to run in the background */ int syslog; /* change this if you want to use syslog */ int dRet, dOldThreadCount; time_t tOldThreadCheck, tThreadCheck; agentx_subagent = 1; background = 0; syslog = 1; // Initialize Log dRet = log_init(S_SSHM_LOG_LEVEL, getpid(), SEQ_PROC_SNMPIF, LOG_PATH"/SNMPIF", "SNMPIF"); if(dRet < 0) { log_print(LOGN_WARN, LH"MAIN : Failed in Initialize LOGLIB Info [%d]", LT, dRet); return -1; } #if 0 if( (dRet = Init_shm_common()) < 0) { log_print(LOGN_CRI, LH"ERROR IN Init_shm_common() [errno:%d-%s]", LT, -dRet, strerror(-dRet)); return -2; } #endif // Set version if((dRet = set_version(S_SSHM_VERSION, SEQ_PROC_SNMPIF, szVersion)) < 0) { log_print(LOGN_WARN, LH"ERROR IN set_version() dRet[%d]", LT, dRet); return -3; } if( (dRet = dGetBlocks(FILE_MC_INIT_M_PRI, SWLST_TAM_APP)) < 0) { log_print(LOGN_CRI, LH"ERROR IN dGetBlocks(%s) dRet[%d]", LT, FILE_MC_INIT_M_PRI, dRet); return -4; } if( (dRet = dGetBlocks(FILE_MC_INIT_F_PRI, SWLST_TAF_RP)) < 0) { log_print(LOGN_CRI, LH"ERROR IN dGetBlocks(%s) dRet[%d]", LT, FILE_MC_INIT_F_PRI, dRet); return -5; } if( (dRet = dGetBlocks(FILE_MC_INIT_F_SEC, SWLST_TAF_PI)) < 0) { log_print(LOGN_CRI, LH"ERROR IN dGetBlocks(%s) dRet[%d]", LT, FILE_MC_INIT_F_SEC, dRet); return -6; } if( (dRet = dReadSubSysListFromFile(&stSubSysList)) < 0) { log_print(LOGN_CRI, LH"ERROR IN dReadSubSysListFromFile() dRet[%d]", LT, dRet); return -7; } putenv("MIBS=ALL"); /* print log errors to syslog or stderr */ if(syslog) snmp_enable_calllog(); else snmp_enable_stderrlog(); /* we're an agentx subagent? */ if(agentx_subagent) { /* make us a agentx client. */ netsnmp_ds_set_boolean(NETSNMP_DS_APPLICATION_ID, NETSNMP_DS_AGENT_ROLE, 1); } /* run in background, if requested */ if(background && netsnmp_daemonize(1, !syslog)) exit(-1); /* initialize tcpip, if necessary */ SOCK_STARTUP; /* initialize the agent library */ init_agent(TARGET); /* initialize mib code here */ /* mib code: init_hardware from hardware.C */ init_chnTable(); init_dskTable(); init_edTable(); init_ethTable(); init_fanTable(); init_memTable(); init_ntpTable(); init_prTable(); init_pwrTable(); init_queTable(); init_cpuTable(); init_nifoTable(); /* initialize vacm/usm access control */ if(!agentx_subagent) { init_vacm_vars(); init_usmUser(); } /* Initialize fidb */ if((dRet = dInitFidb()) < 0) { log_print(LOGN_CRI, LH"ERROR IN dInitFidb() dRet=%d", LT, dRet); exit(-4); } /* Initialize sfdb */ if( (dRet = init_sfdb()) < 0) { log_print(LOGN_CRI, LH"ERROR IN init_sfdb() dRet[%d]", LT, dRet); exit(-5); } if( (dRet = pthread_create(&t_agntx, NULL, p_agntx, NULL)) != 0) { log_print(LOGN_CRI, LH"FAILED IN pthread_create(t_agntx[%lu]) dRet[%d] errno[%d-%s]", LT, t_agntx, dRet, errno, strerror(errno)); exit(-6); } else if( (dRet = pthread_detach(t_agntx)) != 0) { log_print(LOGN_CRI, LH"FAILED IN pthread_detach(t_agntx[%lu]) dRet[%d] errno[%d-%s]", LT, t_agntx, dRet, errno, strerror(errno)); exit(-7); } tOldThreadCheck = time(NULL); dOldThreadCount = dThreadStop; /* In case we recevie a request to stop (kill -TERM or kill -INT) */ gJiSTOPFlag = 1; SetUpSignal(); send_start_trap(); log_print(LOGN_CRI, "SNMPIF[%s] START", szVersion); while(gJiSTOPFlag) { if( ((tThreadCheck = time(NULL)) - tOldThreadCheck) > THREAD_CHECK_INTERVAL) { tOldThreadCheck = tThreadCheck; if(dThreadStop == dOldThreadCount) { log_print(LOGN_CRI, LH"STOPED thread(p_agntx) dThreadStop[%d] dOldThreadCount[%d]", LT, dThreadStop, dOldThreadCount); if( (dRet = pthread_create(&t_agntx, NULL, p_agntx, NULL)) != 0) { log_print(LOGN_CRI, LH"FAILED IN pthread_create(t_agntx[%lu]) dRet[%d] errno[%d-%s]", LT, t_agntx, dRet, errno, strerror(errno)); exit(-7); } else { log_print(LOGN_CRI, LH"SUCCESS IN pthread_create(t_agntx[%lu])", LT, t_agntx); dThreadStop = 0; } } log_print(LOGN_DEBUG, LH"dThreadStop[%d] dOldThreadCount[%d]", LT, dThreadStop, dOldThreadCount); dOldThreadCount = dThreadStop; } /* if you use select(), see snmp_select_info() in snmp_api(3) */ /* --- OR --- */ alarm(1); agent_check_and_process(1); /* 0 == don't block */ alarm(0); } /* at shutdown time */ send_stop_trap(); snmp_shutdown("SNMPIF"); SOCK_CLEANUP; log_print(LOGN_CRI, "SNMPIF[%s] END", szVersion); return 0; }
int main (int argc, char **argv) { int agentx_subagent=1; /* change this if you want to be a SNMP master agent */ /* Defs for arg-handling code: handles setting of policy-related variables */ int ch; extern char *optarg; int dont_fork = 0, use_stderr = 0; char *agentx_socket = NULL; while ((ch = getopt(argc, argv, "D:fHLMx:")) != EOF) switch(ch) { case 'D': debug_register_tokens(optarg); snmp_set_do_debugging(1); break; case 'f': dont_fork = 1; break; case 'H': netsnmp_ds_set_boolean(NETSNMP_DS_APPLICATION_ID, NETSNMP_DS_AGENT_NO_ROOT_ACCESS, 1); init_agent("libvirtGuestTable"); /* register our .conf handlers */ init_libvirtGuestTable(); init_snmp("libvirtGuestTable"); fprintf(stderr, "Configuration directives understood:\n"); read_config_print_usage(" "); snmp_shutdown("libvirtGuestTable"); shutdown_libvirtGuestTable(); exit(0); case 'M': agentx_subagent = 0; break; case 'L': use_stderr = 1; break; case 'x': agentx_socket = optarg; break; default: fprintf(stderr,"unknown option %c\n", ch); usage(); } if (optind < argc) { int i; /* * There are optional transport addresses on the command line. */ DEBUGMSGTL(("snmpd/main", "optind %d, argc %d\n", optind, argc)); for (i = optind; i < argc; i++) { char *c, *astring; if ((c = netsnmp_ds_get_string(NETSNMP_DS_APPLICATION_ID, NETSNMP_DS_AGENT_PORTS))) { astring = malloc(strlen(c) + 2 + strlen(argv[i])); if (astring == NULL) { fprintf(stderr, "malloc failure processing argv[%d]\n", i); exit(1); } sprintf(astring, "%s,%s", c, argv[i]); netsnmp_ds_set_string(NETSNMP_DS_APPLICATION_ID, NETSNMP_DS_AGENT_PORTS, astring); SNMP_FREE(astring); } else { netsnmp_ds_set_string(NETSNMP_DS_APPLICATION_ID, NETSNMP_DS_AGENT_PORTS, argv[i]); } } DEBUGMSGTL(("snmpd/main", "port spec: %s\n", netsnmp_ds_get_string(NETSNMP_DS_APPLICATION_ID, NETSNMP_DS_AGENT_PORTS))); } /* we're an agentx subagent? */ if (agentx_subagent) { /* make us a agentx client. */ netsnmp_enable_subagent(); if (NULL != agentx_socket) netsnmp_ds_set_string(NETSNMP_DS_APPLICATION_ID, NETSNMP_DS_AGENT_X_SOCKET, agentx_socket); } snmp_disable_log(); if (use_stderr) snmp_enable_stderrlog(); else snmp_enable_calllog(); /* daemonize */ if(!dont_fork) { int rc = netsnmp_daemonize(1, use_stderr); if(rc) exit(-1); } /* initialize tcp/ip if necessary */ SOCK_STARTUP; /* initialize the agent library */ init_agent("libvirtGuestTable"); /* init libvirtGuestTable mib code */ init_libvirtGuestTable(); /* read libvirtGuestTable.conf files. */ init_snmp("libvirtGuestTable"); /* If we're going to be a snmp master agent, initial the ports */ if (!agentx_subagent) init_master_agent(); /* open the port to listen on (defaults to udp:161) */ /* In case we recevie a request to stop (kill -TERM or kill -INT) */ keep_running = 1; signal(SIGTERM, stop_server); signal(SIGINT, stop_server); /* you're main loop here... */ while(keep_running) { /* if you use select(), see snmp_select_info() in snmp_api(3) */ /* --- OR --- */ agent_check_and_process(1); /* 0 == don't block */ } /* at shutdown time */ snmp_shutdown("libvirtGuestTable"); shutdown_libvirtGuestTable(); SOCK_CLEANUP; exit(0); }
int main (int argc, char **argv) { int agentx_subagent=1; /* change this if you want to be a SNMP master agent */ int background = 0; /* change this if you want to run in the background */ int syslog = 0; /* change this if you want to use syslog */ /* print log errors to syslog or stderr */ if (syslog) snmp_enable_calllog(); else snmp_enable_stderrlog(); /* we're an agentx subagent? */ if (agentx_subagent) { /* make us a agentx client. */ netsnmp_ds_set_boolean(NETSNMP_DS_APPLICATION_ID, NETSNMP_DS_AGENT_ROLE, 1); } /* run in background, if requested */ if (background && netsnmp_daemonize(1, !syslog)) exit(1); /* initialize tcpip, if necessary */ SOCK_STARTUP; /* initialize the agent library */ init_agent("example-demon"); /* initialize mib code here */ /* mib code: init_example from example.c */ init_example(); /* initialize vacm/usm access control */ if (!agentx_subagent) { init_vacm_vars(); init_usmUser(); } /* example-demon will be used to read example-demon.conf files. */ init_snmp("example-demon"); /* If we're going to be a snmp master agent, initial the ports */ if (!agentx_subagent) init_master_agent(); /* open the port to listen on (defaults to udp:161) */ /* In case we recevie a request to stop (kill -TERM or kill -INT) */ keep_running = 1; signal(SIGTERM, stop_server); signal(SIGINT, stop_server); snmp_log(LOG_INFO,"example-demon is up and running.\n"); /* your main loop here... */ while(keep_running) { /* if you use select(), see snmp_select_info() in snmp_api(3) */ /* --- OR --- */ agent_check_and_process(1); /* 0 == don't block */ } /* at shutdown time */ snmp_shutdown("example-demon"); SOCK_CLEANUP; return 0; }
int main (int argc, char **argv) { int agentx_subagent = AGENT_TRUE; char c; int rc = 0; pid_t child; /* change this if you want to be a SNMP master agent */ while ((c = getopt (argc, argv, "fds?")) != EOF) switch (c) { case 'f': do_fork = AGENT_TRUE; break; case 'd': debug_register_tokens (AGENT); snmp_enable_stderrlog (); snmp_set_do_debugging (1); break; break; case 's': do_syslog = AGENT_FALSE; break; default: printf ("Usage %s [-dfs]\n", argv[0]); printf ("where -d enables debug mode\n"); printf ("where -f enables forking\n"); printf ("where -s disables logging via syslog facility.\n"); exit (1); } init_snmp_logging (); if (do_syslog == AGENT_TRUE) { snmp_enable_calllog (); snmp_enable_syslog_ident (AGENT, LOG_DAEMON); } snmp_log (LOG_INFO, "Starting %s\n", version); /* we're an agentx subagent? */ if (agentx_subagent) { /* make us a agentx client. */ rc = netsnmp_ds_set_boolean (NETSNMP_DS_APPLICATION_ID, NETSNMP_DS_AGENT_ROLE, 1); } /* initialize the agent library */ rc = init_agent (AGENT); if (rc != 0) { snmp_log (LOG_ERR, "Could not initialize connection to SNMP daemon. \n" "Perhaps you are running %s as non-root?\n", argv[0]); exit (rc); } /* Read configuration information here, before we initialize */ snmpd_register_config_handler (TRAPS_TOKEN, hpiSubagent_parse_config_traps, NULL, "hpiSubagent on/off switch for sending events upon startup"); snmpd_register_config_handler (INTERVAL_TOKEN, hpiSubagent_parse_config_interval, NULL, "hpiSubagent time in seconds before HPI API is queried for information."); snmpd_register_config_handler (MAX_EVENT_TOKEN, hpiSubagent_parse_config_max_event, NULL, "hpiSubagent MAX number of rows for Events."); init_snmp (AGENT); /* Initialize tables */ initialize_table_saHpiTable (); initialize_table_saHpiRdrTable (); initialize_table_saHpiSensorTable (); initialize_table_saHpiCtrlTable (); initialize_table_saHpiInventoryTable (); initialize_table_saHpiWatchdogTable (); initialize_table_saHpiHotSwapTable (); initialize_table_saHpiSystemEventLogTable (); initialize_table_saHpiEventTable (); initialize_table_saHpiSensorReadingCurrentTable (); initialize_table_saHpiSensorReadingMaxTable (); initialize_table_saHpiSensorReadingMinTable (); initialize_table_saHpiSensorReadingNominalTable (); initialize_table_saHpiSensorReadingNormalMaxTable (); initialize_table_saHpiSensorReadingNormalMinTable (); initialize_table_saHpiSensorThdLowCriticalTable (); initialize_table_saHpiSensorThdLowMajorTable (); initialize_table_saHpiSensorThdLowMinorTable (); initialize_table_saHpiSensorThdUpCriticalTable (); initialize_table_saHpiSensorThdUpMajorTable (); initialize_table_saHpiSensorThdUpMinorTable (); initialize_table_saHpiSensorThdNegHysteresisTable (); initialize_table_saHpiSensorThdPosHysteresisTable (); if (send_traps_on_startup == AGENT_TRUE) send_traps = AGENT_TRUE; if (populate_rpt () != AGENT_ERR_NOERROR) { snmp_log (LOG_ERR, "Could not retrieve RPT entries. Exiting\n."); rc = -1; goto stop; } populate_event (); if (init_alarm () != AGENT_ERR_NOERROR) { snmp_log (LOG_ERR, "Could not start our internal loop . Exiting\n."); rc = -1; goto stop; } send_traps = AGENT_TRUE; /* If we're going to be a snmp master agent, initial the ports */ if (!agentx_subagent) init_master_agent (); /* open the port to listen on (defaults to udp:161) */ if (do_fork == AGENT_TRUE) { if ((child = fork ()) < 0) { snmp_log (LOG_ERR, "Could not fork!\n"); exit (-1); } if (child != 0) exit (0); } /* In case we recevie a request to stop (kill -TERM or kill -INT) */ keep_running = 1; signal (SIGTERM, stop_server); signal (SIGINT, stop_server); /* you're main loop here... */ while (keep_running) { /* if you use select(), see snmp_select_info() in snmp_api(3) */ /* --- OR --- */ rc = agent_check_and_process (1); /* 0 == don't block */ } stop: /* at shutdown time */ snmp_log (LOG_INFO, "Stopping %s\n", version); snmp_shutdown (AGENT); return rc; }
int main(int argc, char **argv) { /* * Defs for arg-handling code: handles setting of policy-related variables */ int ch; int dont_fork = 0, use_syslog = 0, kdump_only = 0; int ilo_gen = 0; char *transport = "hpilo:"; int i; int do_ahs = 1; int do_ide = 1; int do_host = 1; int do_nic = 1; int do_scsi = 1; int do_pmp = 0; int do_se = 1; int do_fca = 1; int do_mibII = 1; int scale = 1; char *argarg; int prepared_sockets = 0; struct stat st; struct timeval the_time[2]; init_etime(&the_time[0]); if (stat("/sys/module/hpilo", &st) != 0 ) { printf("hp-ams requires that the hpilo kernel module is loaded"); exit(1); } #ifndef NETSNMP_NO_SYSTEMD /* check if systemd has sockets for us and don't close them */ prepared_sockets = netsnmp_sd_listen_fds(0); #endif /* NETSNMP_NO_SYSTEMD */ /* * close all non-standard file descriptors we may have * inherited from the shell. */ if (!prepared_sockets) { for (i = getdtablesize() - 1; i > 2; --i) { (void) close(i); } } snmp_disable_log(); while ((ch = getopt(argc, argv, "D:fG:kLM::OI:P:t:T::x:V:")) != EOF) switch (ch) { case 'D': debug_register_tokens(optarg); snmp_set_do_debugging(1); break; case 'f': dont_fork = 1; break; case 'k': kdump_only = 1; break; case 'h': usage(); exit(0); break; case 'G': GenericData = optarg; break; case 'I': log_interval = atoi(optarg); if ((log_interval <0) || (log_interval > 3)) { usage(); exit(0); } break; case 'P': interval2ping = atoi(optarg); if (interval2ping <0) { usage(); exit(0); } break; case 'L': use_syslog = 0; /* use stderr */ break; case 'M': argarg = optarg; do_ahs = 0; do_ide = 0; do_nic = 0; do_scsi = 0; do_host = 0; do_pmp = 0; do_se = 0; do_fca = 0; do_mibII = 1; while (argarg != 0) { char * mibnum; int mibitem; do_mibII = 0; mibnum = argarg; argarg = index(mibnum, ','); if (argarg != 0) { *argarg = 0; argarg++; } mibitem = atoi(mibnum); switch (mibitem) { case 0: do_ahs = 1; break; case 1: do_se = 1; break; case 5: do_scsi = 1; break; case 11: do_host = 1; break; case 14: do_ide = 1; break; case 16: do_fca = 1; break; case 18: do_nic = 1; break; case 23: do_pmp = 1; break; case 99: do_mibII = 1; break; default: break; } } break; case 'O': gen8_only = 0; /* allow to run on non supported */ break; case 't': if (optarg != (char *) 0) trap_fire = atoi(optarg); else trap_fire = 1; break; case 'T': if (optarg != (char *) 0) { switch (optarg[strlen(optarg)-1]) { case 'd': case 'D': optarg[strlen(optarg)-1] = (char )0; scale = 60*60*24; break; case 'h': case 'H': optarg[strlen(optarg)-1] = (char )0; scale = 60*60; break; case 'm': case 'M': optarg[strlen(optarg)-1] = (char )0; scale = 60; break; case 'S': case 's': optarg[strlen(optarg)-1] = (char )0; default: break; } testtrap_interval = atoi(optarg) * scale; if ((testtrap_interval < 10) || (testtrap_interval > (7*24*60*60))) { usage(); exit(0); } } break; case 'x': if (optarg != NULL) { transport = optarg; } else { usage(); } break; case 'V': if (optarg != NULL) { vendor_tag = optarg; } else { usage(); } break; default: fprintf(stderr, "unknown option %c\n", ch); usage(); exit(1); } /* if the -k option was provided, then also set the dont_fork flag. */ if (kdump_only) { dont_fork = 1; } if (dont_fork) { snmp_enable_stderrlog(); } netsnmp_ds_set_string(NETSNMP_DS_APPLICATION_ID, NETSNMP_DS_AGENT_X_SOCKET, transport); /* * make us a agentx client. */ netsnmp_ds_set_boolean(NETSNMP_DS_APPLICATION_ID, NETSNMP_DS_AGENT_ROLE, 1); if (InitSMBIOS() == 0 ) { if (gen8_only == 0) { fprintf(stderr,"SM BIOS initialization failed," " some functionality may not exist\n"); } else { fprintf(stderr,"SM BIOS initialization failed," " unable to determine system type\n"); exit(1); } } else { ilo_gen = GetiLOGen(); if ((gen8_only) && (ilo_gen < 4)) { fprintf(stderr,"This program requires the host to have a HP Integrated Lights Out 4 (iLO 4)" " BMC\n"); exit(1); } } /* * daemonize */ snmp_disable_log(); if (!dont_fork) { snmp_enable_calllog(); int rc = netsnmp_daemonize(1, use_syslog); if (rc) exit(-1); } else snmp_enable_stderrlog(); /* Clear out Status array */ memset(cpqHostMibStatusArray,0,sizeof(cpqHostMibStatusArray)); memset(cpqHoMibHealthStatusArray, 0, sizeof(cpqHoMibHealthStatusArray)); DEBUGMSG(("amsHelper:timer", "interval for StartUp %dms\n", get_etime(&the_time[0]))); if (do_ahs) { LOG_PROCESS_CRASHES(); DEBUGMSG(("amsHelper:timer", "interval for Log Crashes %dms\n", get_etime(&the_time[0]))); if (kdump_only) { return 0; } LOG_OS_BOOT(); DEBUGMSG(("amsHelper:timer", "interval for Log Boot %dms\n", get_etime(&the_time[0]))); } openlog("hp-ams", LOG_CONS | LOG_PID, LOG_DAEMON); /* * initialize the agent library */ init_agent("amsHelper"); netsnmp_ds_set_int(NETSNMP_DS_LIBRARY_ID, NETSNMP_DS_HPILODOMAIN_IML, 4); netsnmp_ds_set_int(NETSNMP_DS_APPLICATION_ID, NETSNMP_DS_AGENT_AGENTX_TIMEOUT, 120 * ONE_SEC); /* set ping inetrval to interval2pimn - default is 0 */ netsnmp_ds_set_int(NETSNMP_DS_APPLICATION_ID, NETSNMP_DS_AGENT_AGENTX_PING_INTERVAL, interval2ping); /* sometime iLO4 can be slow so double the default to 2 sec if necessary*/ netsnmp_ds_set_int(NETSNMP_DS_LIBRARY_ID, NETSNMP_DS_LIB_TIMEOUT, 3); /* if the ilo starts dropping packets retry a couple of times */ netsnmp_ds_set_int(NETSNMP_DS_LIBRARY_ID, NETSNMP_DS_LIB_RETRIES, 5); init_snmp("amsHelper"); DEBUGMSG(("amsHelper:timer", "interval for SNMP startup %dms\n", get_etime(&the_time[0]))); if (do_mibII) { init_mib_modules(); DEBUGMSG(("amsHelper:timer", "interval for init MIB-2 %dms\n", get_etime(&the_time[0]))); } if (do_host) { init_cpqHost(); DEBUGMSG(("amsHelper:timer", "interval for cpqHost %dms\n", get_etime(&the_time[0]))); } if (do_ahs) { LOG_OS_INFORMATION(); DEBUGMSG(("amsHelper:timer", "interval for LOG OS %dms\n", get_etime(&the_time[0]))); LOG_DRIVERS(); DEBUGMSG(("amsHelper:timer", "interval for Log drivers %dms\n", get_etime(&the_time[0]))); LOG_SERVICE(); DEBUGMSG(("amsHelper:timer", "interval for Log services %dms\n", get_etime(&the_time[0]))); LOG_PACKAGE(); DEBUGMSG(("amsHelper:timer", "interval for Log packages %dms\n", get_etime(&the_time[0]))); } if (do_se) { init_cpqStdPciTable(); DEBUGMSG(("amsHelper:timer", "interval for cpqSe %dms\n", get_etime(&the_time[0]))); } if (do_scsi) { init_cpqScsi(); DEBUGMSG(("amsHelper:timer", "interval for cpqScsi %dms\n", get_etime(&the_time[0]))); } if (do_ide) { init_cpqIde(); DEBUGMSG(("amsHelper:timer", "interval for cpqIde %dms\n", get_etime(&the_time[0]))); } if (do_fca) { init_cpqFibreArray(); DEBUGMSG(("amsHelper:timer", "interval for cpqFca %dms\n", get_etime(&the_time[0]))); } if (do_nic) { init_cpqNic(); DEBUGMSG(("amsHelper:timer", "interval for cpqNic %dms\n", get_etime(&the_time[0]))); } if (do_pmp) { init_cpqLinOsMgmt(); DEBUGMSG(("amsHelper:timer", "interval for cpqLinOsMgmt %dms\n", get_etime(&the_time[0]))); } /* * Send coldstart trap if possible. */ send_easy_trap(0, 0); syslog(LOG_NOTICE, "amsHelper Started . . "); /* * Let systemd know we're up. */ #ifndef NETSNMP_NO_SYSTEMD netsnmp_sd_notify(1, "READY=1\n"); if (prepared_sockets) /* * Clear the environment variable, we already processed all the sockets * by now. */ netsnmp_sd_listen_fds(1); #endif if (do_ahs) { LOG_OS_USAGE(); DEBUGMSG(("amsHelper:timer", "interval for LOG OS Usage%dms\n", get_etime(&the_time[0]))); LOG_PROCESSOR_USAGE(); DEBUGMSG(("amsHelper:timer", "interval for LOG Processor Usage %dms\n", get_etime(&the_time[0]))); LOG_MEMORY_USAGE(); DEBUGMSG(("amsHelper:timer", "interval for LOG Memory Usage %dms\n", get_etime(&the_time[0]))); } /* * In case we recevie a request to stop (kill -TERM or kill -INT) */ ams_running = 1; signal(SIGTERM, stop_server); signal(SIGINT, stop_server); DEBUGMSGTL(("snmpd/main", "We're up. Starting to process data.\n")); if (!netsnmp_ds_get_boolean(NETSNMP_DS_APPLICATION_ID, NETSNMP_DS_AGENT_QUIT_IMMEDIATELY)) receive(); snmp_shutdown("amsHelper"); LOG_OS_SHUTDOWN(); syslog(LOG_NOTICE, "amsHelper Stopped . . "); exit(0); }
int main (int argc, char **argv) { std::vector<std::string> trap_ips; char* community = NULL; int c; opterr = 0; while ((c = getopt (argc, argv, "i:c:")) != -1) { switch (c) { case 'c': community = optarg; break; case 'i': Utils::split_string(optarg, ',', trap_ips); break; default: abort (); } } // Log SNMP library output to syslog snmp_enable_calllog(); // Set ourselves up as a subagent netsnmp_ds_set_boolean(NETSNMP_DS_APPLICATION_ID, NETSNMP_DS_AGENT_ROLE, 1); init_agent("clearwater-alarms"); // Connect to the informsinks for (std::vector<std::string>::iterator ii = trap_ips.begin(); ii != trap_ips.end(); ii++) { create_trap_session(const_cast<char*>(ii->c_str()), 161, community, SNMP_VERSION_2c, SNMP_MSG_INFORM); } // Initialise the ZMQ listeners and alarm tables // Pull in any local alarm definitions off the node. This is currently a // hard coded path to a single file - this should be a (configurable?) path // to a folder. std::string local_alarms_path = "/usr/share/clearwater/infrastructure/local_alarms.json"; AlarmTableDefs::get_instance().initialize(local_alarms_path); AlarmReqListener::get_instance().start(); init_alarmModelTable(); init_ituAlarmTable(); // Run forever init_snmp("clearwater-alarms"); signal(SIGTERM, terminate_handler); while (!done) { agent_check_and_process(1); } snmp_shutdown("clearwater-alarms"); return 0; }
main(int argc, char *argv[]) #endif { char options[128] = "aAc:CdD::fhHI:l:L:m:M:n:p:P:qrsS:UvV-:Y:"; int arg, i, ret; int dont_fork = 0, do_help = 0; int log_set = 0; int agent_mode = -1; char *pid_file = NULL; char option_compatability[] = "-Le"; #ifndef WIN32 int prepared_sockets = 0; #endif #if HAVE_GETPID int fd; FILE *PID; #endif #ifndef WIN32 #ifndef NETSNMP_NO_SYSTEMD /* check if systemd has sockets for us and don't close them */ prepared_sockets = netsnmp_sd_listen_fds(0); #endif /* NETSNMP_NO_SYSTEMD */ /* * close all non-standard file descriptors we may have * inherited from the shell. */ if (!prepared_sockets) { for (i = getdtablesize() - 1; i > 2; --i) { (void) close(i); } } #endif /* #WIN32 */ /* * register signals ASAP to prevent default action (usually core) * for signals during startup... */ #ifdef SIGTERM DEBUGMSGTL(("signal", "registering SIGTERM signal handler\n")); signal(SIGTERM, SnmpdShutDown); #endif #ifdef SIGINT DEBUGMSGTL(("signal", "registering SIGINT signal handler\n")); signal(SIGINT, SnmpdShutDown); #endif #ifdef SIGHUP signal(SIGHUP, SIG_IGN); /* do not terminate on early SIGHUP */ #endif #ifdef SIGUSR1 DEBUGMSGTL(("signal", "registering SIGUSR1 signal handler\n")); signal(SIGUSR1, SnmpdDump); #endif #ifdef SIGPIPE DEBUGMSGTL(("signal", "registering SIGPIPE signal handler\n")); signal(SIGPIPE, SIG_IGN); /* 'Inline' failure of wayward readers */ #endif #ifdef SIGXFSZ signal(SIGXFSZ, SnmpdCatchRandomSignal); #endif #ifdef NETSNMP_NO_ROOT_ACCESS /* * Default to no. */ netsnmp_ds_set_boolean(NETSNMP_DS_APPLICATION_ID, NETSNMP_DS_AGENT_NO_ROOT_ACCESS, 1); #endif /* * Default to NOT running an AgentX master. */ netsnmp_ds_set_boolean(NETSNMP_DS_APPLICATION_ID, NETSNMP_DS_AGENT_AGENTX_MASTER, 0); netsnmp_ds_set_int(NETSNMP_DS_APPLICATION_ID, NETSNMP_DS_AGENT_AGENTX_TIMEOUT, -1); netsnmp_ds_set_int(NETSNMP_DS_APPLICATION_ID, NETSNMP_DS_AGENT_AGENTX_RETRIES, -1); netsnmp_ds_set_int(NETSNMP_DS_APPLICATION_ID, NETSNMP_DS_AGENT_CACHE_TIMEOUT, 5); /* * Add some options if they are available. */ #if HAVE_UNISTD_H strcat(options, "g:u:"); #endif #if defined(USING_AGENTX_SUBAGENT_MODULE)|| defined(USING_AGENTX_MASTER_MODULE) strcat(options, "x:"); #endif #ifdef USING_AGENTX_SUBAGENT_MODULE strcat(options, "X"); #endif /* * This is incredibly ugly, but it's probably the simplest way * to handle the old '-L' option as well as the new '-Lx' style */ for (i=0; i<argc; i++) { if (!strcmp(argv[i], "-L")) argv[i] = option_compatability; } #ifndef NETSNMP_FEATURE_REMOVE_LOGGING_SYSLOG #ifdef WIN32 snmp_log_syslogname(app_name_long); #else snmp_log_syslogname(app_name); #endif #endif /* NETSNMP_FEATURE_REMOVE_LOGGING_SYSLOG */ netsnmp_ds_set_string(NETSNMP_DS_LIBRARY_ID, NETSNMP_DS_LIB_APPTYPE, app_name); /* * Now process options normally. */ while ((arg = getopt(argc, argv, options)) != EOF) { switch (arg) { case '-': if (strcasecmp(optarg, "help") == 0) { usage(argv[0]); } if (strcasecmp(optarg, "version") == 0) { version(); } handle_long_opt(optarg); break; case 'a': log_addresses++; break; case 'A': netsnmp_ds_set_boolean(NETSNMP_DS_LIBRARY_ID, NETSNMP_DS_LIB_APPEND_LOGFILES, 1); break; case 'c': if (optarg != NULL) { netsnmp_ds_set_string(NETSNMP_DS_LIBRARY_ID, NETSNMP_DS_LIB_OPTIONALCONFIG, optarg); } else { usage(argv[0]); } break; case 'C': netsnmp_ds_set_boolean(NETSNMP_DS_LIBRARY_ID, NETSNMP_DS_LIB_DONT_READ_CONFIGS, 1); break; case 'd': netsnmp_ds_set_boolean(NETSNMP_DS_LIBRARY_ID, NETSNMP_DS_LIB_DUMP_PACKET, ++snmp_dump_packet); break; case 'D': debug_register_tokens(optarg); snmp_set_do_debugging(1); break; case 'f': dont_fork = 1; break; #if HAVE_UNISTD_H case 'g': if (optarg != NULL) { char *ecp; int gid; gid = strtoul(optarg, &ecp, 10); #if HAVE_GETGRNAM && HAVE_PWD_H if (*ecp) { struct group *info; info = getgrnam(optarg); gid = info ? info->gr_gid : -1; endgrent(); } #endif if (gid < 0) { fprintf(stderr, "Bad group id: %s\n", optarg); exit(1); } netsnmp_ds_set_int(NETSNMP_DS_APPLICATION_ID, NETSNMP_DS_AGENT_GROUPID, gid); } else { usage(argv[0]); } break; #endif case 'h': usage(argv[0]); break; case 'H': do_help = 1; break; case 'I': if (optarg != NULL) { add_to_init_list(optarg); } else { usage(argv[0]); } break; #ifndef NETSNMP_FEATURE_REMOVE_LOGGING_FILE case 'l': printf("Warning: -l option is deprecated, use -Lf <file> instead\n"); if (optarg != NULL) { if (strlen(optarg) > PATH_MAX) { fprintf(stderr, "%s: logfile path too long (limit %d chars)\n", argv[0], PATH_MAX); exit(1); } snmp_enable_filelog(optarg, netsnmp_ds_get_boolean(NETSNMP_DS_LIBRARY_ID, NETSNMP_DS_LIB_APPEND_LOGFILES)); log_set = 1; } else { usage(argv[0]); } break; #endif /* NETSNMP_FEATURE_REMOVE_LOGGING_FILE */ case 'L': if (snmp_log_options( optarg, argc, argv ) < 0 ) { usage(argv[0]); } log_set = 1; break; case 'm': if (optarg != NULL) { setenv("MIBS", optarg, 1); } else { usage(argv[0]); } break; case 'M': if (optarg != NULL) { setenv("MIBDIRS", optarg, 1); } else { usage(argv[0]); } break; case 'n': if (optarg != NULL) { app_name = optarg; netsnmp_ds_set_string(NETSNMP_DS_LIBRARY_ID, NETSNMP_DS_LIB_APPTYPE, app_name); } else { usage(argv[0]); } break; case 'P': printf("Warning: -P option is deprecated, use -p instead\n"); case 'p': if (optarg != NULL) { pid_file = optarg; } else { usage(argv[0]); } break; case 'q': netsnmp_ds_set_boolean(NETSNMP_DS_LIBRARY_ID, NETSNMP_DS_LIB_QUICK_PRINT, 1); break; case 'r': netsnmp_ds_toggle_boolean(NETSNMP_DS_APPLICATION_ID, NETSNMP_DS_AGENT_NO_ROOT_ACCESS); break; #ifndef NETSNMP_FEATURE_REMOVE_LOGGING_SYSLOG case 's': printf("Warning: -s option is deprecated, use -Lsd instead\n"); snmp_enable_syslog(); log_set = 1; break; case 'S': printf("Warning: -S option is deprecated, use -Ls <facility> instead\n"); if (optarg != NULL) { switch (*optarg) { case 'd': case 'D': Facility = LOG_DAEMON; break; case 'i': case 'I': Facility = LOG_INFO; break; case '0': Facility = LOG_LOCAL0; break; case '1': Facility = LOG_LOCAL1; break; case '2': Facility = LOG_LOCAL2; break; case '3': Facility = LOG_LOCAL3; break; case '4': Facility = LOG_LOCAL4; break; case '5': Facility = LOG_LOCAL5; break; case '6': Facility = LOG_LOCAL6; break; case '7': Facility = LOG_LOCAL7; break; default: fprintf(stderr, "invalid syslog facility: -S%c\n",*optarg); usage(argv[0]); } snmp_enable_syslog_ident(snmp_log_syslogname(NULL), Facility); log_set = 1; } else { fprintf(stderr, "no syslog facility specified\n"); usage(argv[0]); } break; #endif /* NETSNMP_FEATURE_REMOVE_LOGGING_SYSLOG */ case 'U': netsnmp_ds_toggle_boolean(NETSNMP_DS_APPLICATION_ID, NETSNMP_DS_AGENT_LEAVE_PIDFILE); break; #if HAVE_UNISTD_H case 'u': if (optarg != NULL) { char *ecp; int uid; uid = strtoul(optarg, &ecp, 10); #if HAVE_GETPWNAM && HAVE_PWD_H if (*ecp) { struct passwd *info; info = getpwnam(optarg); uid = info ? info->pw_uid : -1; endpwent(); } #endif if (uid < 0) { fprintf(stderr, "Bad user id: %s\n", optarg); exit(1); } netsnmp_ds_set_int(NETSNMP_DS_APPLICATION_ID, NETSNMP_DS_AGENT_USERID, uid); } else { usage(argv[0]); } break; #endif case 'v': version(); case 'V': netsnmp_ds_set_boolean(NETSNMP_DS_APPLICATION_ID, NETSNMP_DS_AGENT_VERBOSE, 1); break; #if defined(USING_AGENTX_SUBAGENT_MODULE)|| defined(USING_AGENTX_MASTER_MODULE) case 'x': if (optarg != NULL) { netsnmp_ds_set_string(NETSNMP_DS_APPLICATION_ID, NETSNMP_DS_AGENT_X_SOCKET, optarg); } else { usage(argv[0]); } netsnmp_ds_set_boolean(NETSNMP_DS_APPLICATION_ID, NETSNMP_DS_AGENT_AGENTX_MASTER, 1); break; #endif case 'X': #if defined(USING_AGENTX_SUBAGENT_MODULE) agent_mode = SUB_AGENT; #else fprintf(stderr, "%s: Illegal argument -X:" "AgentX support not compiled in.\n", argv[0]); usage(argv[0]); exit(1); #endif break; case 'Y': netsnmp_config_remember(optarg); break; default: usage(argv[0]); break; } } if (do_help) { netsnmp_ds_set_boolean(NETSNMP_DS_APPLICATION_ID, NETSNMP_DS_AGENT_NO_ROOT_ACCESS, 1); init_agent(app_name); /* register our .conf handlers */ init_mib_modules(); init_snmp(app_name); fprintf(stderr, "Configuration directives understood:\n"); read_config_print_usage(" "); exit(0); } if (optind < argc) { #ifndef NETSNMP_NO_LISTEN_SUPPORT /* * There are optional transport addresses on the command line. */ DEBUGMSGTL(("snmpd/main", "optind %d, argc %d\n", optind, argc)); for (i = optind; i < argc; i++) { char *c, *astring; if ((c = netsnmp_ds_get_string(NETSNMP_DS_APPLICATION_ID, NETSNMP_DS_AGENT_PORTS))) { astring = (char*)malloc(strlen(c) + 2 + strlen(argv[i])); if (astring == NULL) { fprintf(stderr, "malloc failure processing argv[%d]\n", i); exit(1); } sprintf(astring, "%s,%s", c, argv[i]); netsnmp_ds_set_string(NETSNMP_DS_APPLICATION_ID, NETSNMP_DS_AGENT_PORTS, astring); SNMP_FREE(astring); } else { netsnmp_ds_set_string(NETSNMP_DS_APPLICATION_ID, NETSNMP_DS_AGENT_PORTS, argv[i]); } } DEBUGMSGTL(("snmpd/main", "port spec: %s\n", netsnmp_ds_get_string(NETSNMP_DS_APPLICATION_ID, NETSNMP_DS_AGENT_PORTS))); #else /* NETSNMP_NO_LISTEN_SUPPORT */ fprintf(stderr, "You specified ports to open; this agent was built to only send notifications\n"); exit(1); #endif /* NETSNMP_NO_LISTEN_SUPPORT */ } #ifdef NETSNMP_LOGFILE #ifndef NETSNMP_FEATURE_REMOVE_LOGGING_FILE if (0 == log_set) snmp_enable_filelog(NETSNMP_LOGFILE, netsnmp_ds_get_boolean(NETSNMP_DS_LIBRARY_ID, NETSNMP_DS_LIB_APPEND_LOGFILES)); #endif /* NETSNMP_FEATURE_REMOVE_LOGGING_FILE */ #endif #ifdef USING_UTIL_FUNCS_RESTART_MODULE { /* * Initialize a argv set to the current for restarting the agent. */ char *cptr, **argvptr; argvrestartp = (char **)malloc((argc + 2) * sizeof(char *)); argvptr = argvrestartp; for (i = 0, ret = 1; i < argc; i++) { ret += strlen(argv[i]) + 1; } argvrestart = (char *) malloc(ret); argvrestartname = (char *) malloc(strlen(argv[0]) + 1); if (!argvrestartp || !argvrestart || !argvrestartname) { fprintf(stderr, "malloc failure processing argvrestart\n"); exit(1); } strcpy(argvrestartname, argv[0]); for (cptr = argvrestart, i = 0; i < argc; i++) { strcpy(cptr, argv[i]); *(argvptr++) = cptr; cptr += strlen(argv[i]) + 1; } } #endif /* USING_UTIL_FUNCS_RESTART_MODULE */ if (agent_mode == -1) { if (strstr(argv[0], "agentxd") != NULL) { netsnmp_ds_set_boolean(NETSNMP_DS_APPLICATION_ID, NETSNMP_DS_AGENT_ROLE, SUB_AGENT); } else { netsnmp_ds_set_boolean(NETSNMP_DS_APPLICATION_ID, NETSNMP_DS_AGENT_ROLE, MASTER_AGENT); } } else { netsnmp_ds_set_boolean(NETSNMP_DS_APPLICATION_ID, NETSNMP_DS_AGENT_ROLE, agent_mode); } SOCK_STARTUP; if (init_agent(app_name) != 0) { snmp_log(LOG_ERR, "Agent initialization failed\n"); exit(1); } init_mib_modules(); /* * start library */ init_snmp(app_name); if ((ret = init_master_agent()) != 0) { /* * Some error opening one of the specified agent transports. */ snmp_log(LOG_ERR, "Server Exiting with code 1\n"); exit(1); } /* * Initialize the world. Detach from the shell. Create initial user. */ if(!dont_fork) { int quit = ! netsnmp_ds_get_boolean(NETSNMP_DS_APPLICATION_ID, NETSNMP_DS_AGENT_QUIT_IMMEDIATELY); ret = netsnmp_daemonize(quit, #ifndef NETSNMP_FEATURE_REMOVE_LOGGING_STDIO snmp_stderrlog_status() #else /* NETSNMP_FEATURE_REMOVE_LOGGING_STDIO */ 0 #endif /* NETSNMP_FEATURE_REMOVE_LOGGING_STDIO */ ); /* * xxx-rks: do we care if fork fails? I think we should... */ if(ret != 0) { snmp_log(LOG_ERR, "Server Exiting with code 1\n"); exit(1); } } #if HAVE_GETPID if (pid_file != NULL) { /* * unlink the pid_file, if it exists, prior to open. Without * doing this the open will fail if the user specified pid_file * already exists. */ unlink(pid_file); fd = open(pid_file, O_CREAT | O_EXCL | O_WRONLY, 0600); if (fd == -1) { snmp_log_perror(pid_file); if (!netsnmp_ds_get_boolean(NETSNMP_DS_APPLICATION_ID, NETSNMP_DS_AGENT_NO_ROOT_ACCESS)) { exit(1); } } else { if ((PID = fdopen(fd, "w")) == NULL) { snmp_log_perror(pid_file); exit(1); } else { fprintf(PID, "%d\n", (int) getpid()); fclose(PID); } #ifndef _MSC_VER /* The sequence open()/fdopen()/fclose()/close() makes MSVC crash, hence skip the close() call when using the MSVC runtime. */ close(fd); #endif } } #endif #if defined(HAVE_UNISTD_H) && (defined(HAVE_CHOWN) || defined(HAVE_SETGID) || defined(HAVE_SETUID)) { const char *persistent_dir; int uid, gid; persistent_dir = get_persistent_directory(); mkdirhier( persistent_dir, NETSNMP_AGENT_DIRECTORY_MODE, 0 ); uid = netsnmp_ds_get_int(NETSNMP_DS_APPLICATION_ID, NETSNMP_DS_AGENT_USERID); gid = netsnmp_ds_get_int(NETSNMP_DS_APPLICATION_ID, NETSNMP_DS_AGENT_GROUPID); #ifdef HAVE_CHOWN if ( uid != 0 || gid != 0 ) chown( persistent_dir, uid, gid ); #endif #ifdef HAVE_SETGID if ((gid = netsnmp_ds_get_int(NETSNMP_DS_APPLICATION_ID, NETSNMP_DS_AGENT_GROUPID)) > 0) { DEBUGMSGTL(("snmpd/main", "Changing gid to %d.\n", gid)); if (setgid(gid) == -1 #ifdef HAVE_SETGROUPS || setgroups(1, (gid_t *)&gid) == -1 #endif ) { snmp_log_perror("setgid failed"); if (!netsnmp_ds_get_boolean(NETSNMP_DS_APPLICATION_ID, NETSNMP_DS_AGENT_NO_ROOT_ACCESS)) { exit(1); } } } #endif #ifdef HAVE_SETUID if ((uid = netsnmp_ds_get_int(NETSNMP_DS_APPLICATION_ID, NETSNMP_DS_AGENT_USERID)) > 0) { #if HAVE_GETPWNAM && HAVE_PWD_H && HAVE_INITGROUPS struct passwd *info; /* * Set supplementary groups before changing UID * (which probably involves giving up privileges) */ info = getpwuid(uid); if (info) { DEBUGMSGTL(("snmpd/main", "Supplementary groups for %s.\n", info->pw_name)); if (initgroups(info->pw_name, (gid != 0 ? (gid_t)gid : info->pw_gid)) == -1) { snmp_log_perror("initgroups failed"); if (!netsnmp_ds_get_boolean(NETSNMP_DS_APPLICATION_ID, NETSNMP_DS_AGENT_NO_ROOT_ACCESS)) { exit(1); } } } endpwent(); #endif DEBUGMSGTL(("snmpd/main", "Changing uid to %d.\n", uid)); if (setuid(uid) == -1) { snmp_log_perror("setuid failed"); if (!netsnmp_ds_get_boolean(NETSNMP_DS_APPLICATION_ID, NETSNMP_DS_AGENT_NO_ROOT_ACCESS)) { exit(1); } } } #endif } #endif /* * Store persistent data immediately in case we crash later. */ snmp_store(app_name); #ifdef SIGHUP DEBUGMSGTL(("signal", "registering SIGHUP signal handler\n")); signal(SIGHUP, SnmpdReconfig); #endif /* * Send coldstart trap if possible. */ send_easy_trap(0, 0); /* * We're up, log our version number. */ snmp_log(LOG_INFO, "NET-SNMP version %s\n", netsnmp_get_version()); #ifdef WIN32SERVICE agent_status = AGENT_RUNNING; #endif netsnmp_addrcache_initialise(); /* * Let systemd know we're up. */ #ifndef NETSNMP_NO_SYSTEMD netsnmp_sd_notify(1, "READY=1\n"); if (prepared_sockets) /* * Clear the environment variable, we already processed all the sockets * by now. */ netsnmp_sd_listen_fds(1); #endif /* * Forever monitor the dest_port for incoming PDUs. */ DEBUGMSGTL(("snmpd/main", "We're up. Starting to process data.\n")); if (!netsnmp_ds_get_boolean(NETSNMP_DS_APPLICATION_ID, NETSNMP_DS_AGENT_QUIT_IMMEDIATELY)) receive(); DEBUGMSGTL(("snmpd/main", "sending shutdown trap\n")); SnmpTrapNodeDown(); DEBUGMSGTL(("snmpd/main", "Bye...\n")); snmp_shutdown(app_name); shutdown_master_agent(); shutdown_agent(); if (!netsnmp_ds_get_boolean(NETSNMP_DS_APPLICATION_ID, NETSNMP_DS_AGENT_LEAVE_PIDFILE) && (pid_file != NULL)) { unlink(pid_file); } #ifdef WIN32SERVICE agent_status = AGENT_STOPPED; #endif #ifdef USING_UTIL_FUNCS_RESTART_MODULE SNMP_FREE(argvrestartname); SNMP_FREE(argvrestart); SNMP_FREE(argvrestartp); #endif /* USING_UTIL_FUNCS_RESTART_MODULE */ SOCK_CLEANUP; return 0; } /* End main() -- snmpd */
int main (int argc, char **argv) { int agentx_subagent = AGENT_TRUE; int c; int rc = 0; SaErrorT rv = SA_OK; SaHpiVersionT hpiVer; SaHpiSessionIdT sessionid; SaHpiDomainInfoT domain_info; SaHpiBoolT run_threaded = TRUE; pid_t child; char * env; /* change this if you want to be a SNMP master agent */ debug_register_tokens (AGENT); snmp_enable_stderrlog (); snmp_set_do_debugging (1); while ((c = getopt (argc, argv, "fdsCx:h?")) != EOF) { switch (c) { case 'f': do_fork = AGENT_TRUE; break; case 'd': debug_register_tokens (AGENT); snmp_enable_stderrlog (); snmp_set_do_debugging (1); break; case 's': do_syslog = AGENT_FALSE; break; case 'C': netsnmp_ds_set_boolean(NETSNMP_DS_LIBRARY_ID, NETSNMP_DS_LIB_DONT_READ_CONFIGS, 1); break; case 'x': netsnmp_ds_set_string(NETSNMP_DS_APPLICATION_ID, NETSNMP_DS_AGENT_X_SOCKET, optarg); break; case 'h': default: usage(argv[0]); exit(1); break; } } if (do_syslog == AGENT_TRUE) { snmp_enable_calllog (); snmp_enable_syslog_ident (AGENT, LOG_DAEMON); } snmp_log (LOG_INFO, "Starting %s\n", version); /* we're an agentx subagent? */ if (agentx_subagent) { /* make us a agentx client. */ rc = netsnmp_ds_set_boolean (NETSNMP_DS_APPLICATION_ID, NETSNMP_DS_AGENT_ROLE, 1); } /* initialize the agent library */ rc = init_agent (AGENT); if (rc != 0) { snmp_log (LOG_ERR, "Could not initialize connection to SNMP daemon. \n" "Perhaps you are running %s as non-root?\n", argv[0]); exit (rc); } /* Read configuration information here, before we initialize */ snmpd_register_config_handler (TRAPS_TOKEN, hpiSubagent_parse_config_traps, NULL, "hpiSubagent on/off switch for sending events upon startup"); snmpd_register_config_handler (MAX_EVENT_TOKEN, hpiSubagent_parse_config_max_event, NULL, "hpiSubagent MAX number of rows for Events."); init_snmp (AGENT); /* * Initialize HPI library */ hpiVer = saHpiVersionGet(); DEBUGMSGTL ((AGENT, "Hpi Version %d Implemented.\n", hpiVer)); rv = saHpiSessionOpen( SAHPI_UNSPECIFIED_DOMAIN_ID, &sessionid, NULL ); if (rv != SA_OK) { DEBUGMSGTL ((AGENT, "saHpiSessionOpen Error: returns %s\n", oh_lookup_error(rv))); exit(-1); } DEBUGMSGTL ((AGENT, "saHpiSessionOpen returns with SessionId %d\n", sessionid)); /* Get the DomainInfo structur, This is how we get theDomainId for this Session */ rv = saHpiDomainInfoGet(sessionid, &domain_info); if (rv != SA_OK) { DEBUGMSGTL ((AGENT, "saHpiSessionOpen Error: returns %s\n", oh_lookup_error(rv))); exit(-1); } /* store session numbers */ store_session_info(sessionid, domain_info.DomainId); /* subscribe all sessions/events */ subcsribe_all_sessions(); /* Resource discovery */ rv = saHpiDiscover(sessionid); if (rv != SA_OK) { DEBUGMSGTL ((AGENT, "saHpiDiscover Error: returns %s\n",oh_lookup_error(rv))); exit(-1); } DEBUGMSGTL ((AGENT, "saHpiDiscover Success!\n")); /* Initialize subagent tables */ init_saHpiDomainInfoTable(); init_saHpiDomainAlarmTable(); init_saHpiDomainReferenceTable(); init_saHpiResourceTable(); init_saHpiRdrTable(); init_saHpiCtrlDigitalTable(); init_saHpiCtrlDiscreteTable(); init_saHpiCtrlAnalogTable(); init_saHpiCtrlStreamTable(); init_saHpiCtrlTextTable(); init_saHpiCtrlOemTable(); init_saHpiSensorTable(); init_saHpiCurrentSensorStateTable(); init_saHpiSensorReadingMaxTable(); init_saHpiSensorReadingMinTable(); init_saHpiSensorReadingNominalTable(); init_saHpiSensorReadingNormalMaxTable(); init_saHpiSensorReadingNormalMinTable(); init_saHpiSensorThdLowCriticalTable(); init_saHpiSensorThdLowMajorTable(); init_saHpiSensorThdLowMinorTable(); init_saHpiSensorThdUpCriticalTable(); init_saHpiSensorThdUpMajorTable(); init_saHpiSensorThdUpMinorTable(); init_saHpiSensorThdPosHysteresisTable(); init_saHpiSensorThdNegHysteresisTable(); init_saHpiInventoryTable(); init_saHpiWatchdogTable(); init_saHpiAnnunciatorTable(); init_saHpiAreaTable(); init_saHpiFieldTable(); init_saHpiEventTable(); init_saHpiResourceEventTable(); init_saHpiDomainEventTable(); init_saHpiSensorEventTable(); init_saHpiOEMEventTable(); init_saHpiHotSwapEventTable(); init_saHpiWatchdogEventTable(); init_saHpiSoftwareEventTable(); init_saHpiSensorEnableChangeEventTable(); init_saHpiUserEventTable(); init_saHpiEventLogInfoTable(); init_saHpiEventLogTable(); init_saHpiResourceEventLogTable(); init_saHpiSensorEventLogTable(); init_saHpiHotSwapEventLogTable(); init_saHpiWatchdogEventLogTable(); init_saHpiSoftwareEventLogTable(); init_saHpiOEMEventLogTable(); init_saHpiUserEventLogTable(); init_saHpiSensorEnableChangeEventLogTable(); init_saHpiDomainEventLogTable(); init_saHpiHotSwapTable(); init_saHpiAutoInsertTimeoutTable(); init_saHpiAutoInsertTimeoutTable(); init_saHpiAnnouncementTable(); init_saHpiAnnouncementEventLogTable(); if (send_traps_on_startup == AGENT_TRUE) send_traps = AGENT_TRUE; /* after initialization populate tables */ populate_saHpiDomainInfoTable(sessionid); populate_saHpiDomainAlarmTable(sessionid); poplulate_saHpiDomainReferenceTable(sessionid); populate_saHpiResourceTable(sessionid); /* populate_saHpiResourceTable() calls: * populate_saHpiRdrTable(); calls: * populate_saHpiCtrlDigitalTable(); * populate_saHpiCtrlDiscreteTable(); * populate_saHpiCtrlAnalogTable(); * populate_saHpiCtrlStreamTable(); * populate_saHpiCtrlTextTable(); * populate_saHpiCtrlOemTable(); * populate_saHpiSensorTable(); * populate_saHpiSesnorReadingMaxTable(); * populate_saHpiSesnorReadingMinTable(); * populate_saHpiSesnorReadingNominalTable(); * populate_saHpiSesnorReadingNormalMaxTable(); * populate_saHpiSesnorReadingNormalMinTable(); * populate_saHpiSensorThdLowCriticalTable(); * populate_saHpiSensorThdLowMajorTable(); * populate_saHpiSensorThdLowMinorTable(); * populate_saHpiSensorThdUpCriticalTable(); * populate_saHpiSensorThdUpMajorTable(); * populate_saHpiSensorThdUpMinorTable(); * populate_saHpiSensorThdPosHysteresisTable(); * populate_saHpiSensorThdNegHysteresisTable(); * populate_saHpiCurrentSensorStateTable(); * populate_saHpiInventoyTable(); * populate_saHpiWatchdogTable(); * populate_saHpiAnnunciatorTable(); * populate_saHpiAreaTable(); * populate_saHpiFieldTable(); * populate_saHpiHotSwapTable(); * populate_saHpiAutoInsertTimeoutTable(); * populate_saHpiAnnouncementTable(); */ populate_saHpiEventTable(sessionid); /* populate_saHpiResourceEventTable(); * populate_saHpiDomainEventTable(); * populate_saHpiSensorEventTable(); * populate_saHpiOemEventTable(); * populate_saHpiHotSwapEventTable(); * populate_saHpiWatchdogEventTable(); * populate_saHpiSoftwareEventTable(); * populate_saHpiSensorEnableChangeEventTable(); * populate_saHpiUserEventTable(); */ populate_saHpiEventLogInfo(sessionid); populate_saHpiEventLog (sessionid); /* * populate_saHpiResourceEventLogTable(); * populate_saHpiSensorEventLogTable(); * populate_saHpiHotSwapEventLogTable(); * populate_saHpiWatchdogEventLogTable(); * populate_saHpiSoftwareEventLogTable(); * populate_saHpiOemEventLogTable(); * populate_saHpiUserEventLogTable(); * populate_saHpiSensorEnableChangeEventLogTable(); * populate_saHpiDomainEventLogTable(); */ /* Determine whether or not we're in threaded mode */ env = getenv("OPENHPI_THREADED"); if ((env == (char *)NULL) || (strcmp(env, "NO") == 0)) { DEBUGMSGTL ((AGENT, "Running in nonthreaded mode. Configuring polling mechanism\n")); run_threaded = SAHPI_FALSE; if (init_alarm() != AGENT_ERR_NOERROR) { snmp_log (LOG_ERR, "Could not initialize polling mechanism. Exiting\n."); rc = -1; goto stop; } } else { DEBUGMSGTL ((AGENT, "Running in threaded mode. Spawing thread\n")); /* start event thread */ set_run_threaded(TRUE); if (start_event_thread(&sessionid) != AGENT_ERR_NOERROR) { snmp_log (LOG_ERR, "Could not start our internal loop . Exiting\n."); rc = -1; goto stop; } } send_traps = AGENT_TRUE; /* If we're going to be a snmp master agent, initial the ports */ if (!agentx_subagent) init_master_agent (); /* open the port to listen on (defaults to udp:161) */ if (do_fork == AGENT_TRUE) { if ((child = fork ()) < 0) { snmp_log (LOG_ERR, "Could not fork!\n"); exit (-1); } if (child != 0) exit (0); } /* In case we recevie a request to stop (kill -TERM or kill -INT) */ keep_running = 1; signal (SIGTERM, stop_server); signal (SIGINT, stop_server); /* you're main loop here... */ while (keep_running) { /* if you use select(), see snmp_select_info() in snmp_api(3) */ /* --- OR --- */ rc = agent_check_and_process (1); } stop: DEBUGMSGTL ((AGENT, "WARNING: closeSaHpiSession: hpiSubagent.c: nolong implemented!")); //closeSaHpiSession(); /* at shutdown time */ snmp_log (LOG_INFO, "Stopping %s\n", version); snmp_shutdown (AGENT); return rc; }
int main(int argc, char **argv) { long num_agents; long num_steps; int thread_count; char* filename; long timestep; if (argc != 5) { printf("Usage: num_agents num_steps filename\n"); exit(1); } thread_count = atoi(argv[1]); num_agents = atol(argv[2]); num_steps = atol(argv[3]); filename = argv[4]; printf("Running a simulation with %lu agents for %lu steps and saving the data to the file %s...\n", num_agents, num_steps, filename); // here's the simulation skeleton // create the agents, with random headings, maybe random locations or all in a bunch unsigned int i = 1; int j; Agent **agent_lists_at_timesteps; agent_lists_at_timesteps = malloc(num_steps * sizeof(Agent*)); int a; for(a=0; a<num_steps; a++) { agent_lists_at_timesteps[a] = malloc(num_agents * sizeof(Agent)); } // Agent *agent_list = malloc(num_agents * sizeof(Agent)); struct timeval tv; gettimeofday(&tv, NULL); srand(tv.tv_usec); for(j = 0; j < num_agents - 1; j++){ //printf("Creating agent %d\n", j); Vector2D heading = init_vector(-(rand_r(&i) % 5), -(rand_r(&i) % 5)); //printf("Done vector creation\n"); Point2D start_loc = init_point((rand_r(&i) % WINDOWSIZE), (rand_r(&i) % WINDOWSIZE)); double speed = 5; Agent_Type prey_type = prey; //printf("initing agent\n"); Agent new_agent = init_agent(&heading, &start_loc, speed, prey_type); //printf("Adding to list\n"); agent_lists_at_timesteps[0][j] = new_agent; //printf("Done creating agent %d\n", j); } Vector2D heading = init_vector((rand_r(&i) % 5), (rand_r(&i) % 5)); Point2D start_loc = init_point((rand_r(&i) % WINDOWSIZE), (rand_r(&i) % WINDOWSIZE)); double speed = 5; Agent_Type predator_type = predator; agent_lists_at_timesteps[0][j] = init_agent(&heading, &start_loc, speed, predator_type); int agent_close; double ts, te; // for each numstep ts = omp_get_wtime(); for(timestep = 1; timestep < num_steps; timestep++){ int k; Vector2D s,c,a, combo, seek_vector; # pragma omp parallel for num_threads(thread_count) \ private(s, c, a, combo, k) for(k = 0; k< num_agents; k++){ if(agent_lists_at_timesteps[timestep-1][k].type == prey) { s = separation(&agent_lists_at_timesteps[timestep-1][k], k, agent_lists_at_timesteps[timestep-1], num_agents); c = cohesion(&agent_lists_at_timesteps[timestep-1][k], k, agent_lists_at_timesteps[timestep-1], num_agents); a = alignment(&agent_lists_at_timesteps[timestep-1][k], k, agent_lists_at_timesteps[timestep-1], num_agents); combo = plus(&agent_lists_at_timesteps[timestep-1][k].heading, &s); plus_equals(&combo, &c); plus_equals(&combo, &a); divide_equals(&combo, 1.1); agent_lists_at_timesteps[timestep][k].heading.x = combo.x; agent_lists_at_timesteps[timestep][k].heading.y = combo.y; agent_lists_at_timesteps[timestep][k].position.x = agent_lists_at_timesteps[timestep-1][k].position.x; agent_lists_at_timesteps[timestep][k].position.y = agent_lists_at_timesteps[timestep-1][k].position.y; agent_lists_at_timesteps[timestep][k].speed = agent_lists_at_timesteps[timestep-1][k].speed; agent_lists_at_timesteps[timestep][k].type = agent_lists_at_timesteps[timestep-1][k].type; } else { /* if(((timestep - 1) % 50) == 0) { agent_close = find_closest(&agent_lists_at_timesteps[timestep-1][k], k, agent_lists_at_timesteps[timestep-1], num_agents); } */ //seek_vector = seek(&agent_lists_at_timesteps[timestep-1][k], &agent_lists_at_timesteps[timestep-1][agent_close]); seek_vector = init_vector(5.0, 0.0); agent_lists_at_timesteps[timestep][k].heading.x = seek_vector.x; agent_lists_at_timesteps[timestep][k].heading.y = seek_vector.y; agent_lists_at_timesteps[timestep][k].position.x = agent_lists_at_timesteps[timestep-1][k].position.x; agent_lists_at_timesteps[timestep][k].position.y = agent_lists_at_timesteps[timestep-1][k].position.y; agent_lists_at_timesteps[timestep][k].speed = agent_lists_at_timesteps[timestep-1][k].speed; agent_lists_at_timesteps[timestep][k].type = agent_lists_at_timesteps[timestep-1][k].type; } } printf("just changed headings\n"); # pragma omp parallel for num_threads(thread_count) for(k = 0; k< num_agents; k++){ agent_update(&agent_lists_at_timesteps[timestep][k], 1); //printf("TRYING TO MOD %f \n", agent_list[k].position.x); agent_lists_at_timesteps[timestep][k].position.x = ((int)agent_lists_at_timesteps[timestep][k].position.x % WINDOWSIZE); agent_lists_at_timesteps[timestep][k].position.y = ((int)agent_lists_at_timesteps[timestep][k].position.y % WINDOWSIZE); //printf("AND I GOT %f \n", agent_list[k].position.x); } /* for(k = 0; k < num_agents; k++){ add_point_to_file(agent_lists_at_timesteps[timestep][k].position.x, agent_lists_at_timesteps[timestep][k].position.y, 0, filename); } if(timestep != num_steps -1) add_terminator_to_file(-2, filename); */ //printf("timestep is %d\n", timestep); } /* add_terminator_to_file(-1, filename); */ te = omp_get_wtime(); printf("Time to do all computation and updating %f\n", te-ts); // for each agent // do cohesion, alignment, and seperation // update new heading // // for each agent // update the agent location // check their position within boundaries, fix it with mod // update old heading by setting it = to new heading // write position of agent to file // // (if it's not the last step) // write -2 to file // // write -1 to file create_window(WINDOWSIZE, WINDOWSIZE, "Test"); // run_file(filename); run_sim(agent_lists_at_timesteps, num_steps, num_agents); return 0; }
int main(int argc, char *argv[]) { int arg,i; int ret; u_short dest_port = 161; int dont_fork = 0, dont_zero_log = 0; char logfile[300]; char *cptr, **argvptr; logfile[0] = 0; optconfigfile = NULL; dontReadConfigFiles = 0; #ifdef LOGFILE strcpy(logfile,LOGFILE); #endif /* * usage: snmpd */ for(arg = 1; arg < argc; arg++){ if (argv[arg][0] == '-'){ switch(argv[arg][1]){ case 'c': if (++arg == argc) usage(argv[0]); optconfigfile = strdup(argv[arg]); break; case 'C': dontReadConfigFiles = 1; break; case 'd': snmp_dump_packet++; verbose = 1; break; case 'q': snmp_set_quick_print(1); break; case 'D': debug_register_tokens(&argv[arg][2]); snmp_set_do_debugging(1); break; case 'p': if (++arg == argc) usage(argv[0]); dest_port = atoi(argv[arg]); if (dest_port <= 0) usage(argv[0]); break; case 'a': log_addresses++; break; case 'V': verbose = 1; break; case 'f': dont_fork = 1; break; case 'l': if (++arg == argc) usage(argv[0]); strcpy(logfile,argv[arg]); break; case 'L': logfile[0] = 0; break; case 'A': dont_zero_log = 1; break; case 'h': usage(argv[0]); break; case 'H': init_agent(); /* register our .conf handlers */ #ifdef HAVE_MIB register_mib_handlers(); /* snmplib .conf handlers */ #endif fprintf(stderr, "Configuration directives understood:\n"); read_config_print_usage(" "); break; case 'v': printf("\nUCD-snmp version: %s\n",VersionInfo); printf("Author: Wes Hardaker\n"); printf("Email: [email protected]\n\n"); exit (0); case '-': switch(argv[arg][2]){ case 'v': printf("\nUCD-snmp version: %s\n",VersionInfo); printf("Author: Wes Hardaker\n"); printf("Email: [email protected]\n\n"); exit (0); case 'h': usage(argv[0]); exit(0); } default: printf("invalid option: %s\n", argv[arg]); usage(argv[0]); break; } continue; } } /* initialize a argv set to the current for restarting the agent */ argvrestartp = (char **) malloc((argc+2) * sizeof (char *)); argvptr = argvrestartp; for(i=0, ret = 1; i < argc; i++) { ret += strlen(argv[i])+1; } argvrestart = (char *) malloc((ret)); argvrestartname = (char *) malloc(strlen(argv[0])+1); strcpy(argvrestartname,argv[0]); for(cptr = argvrestart,i = 0; i < argc; i++) { strcpy(cptr,argv[i]); *(argvptr++) = cptr; cptr += strlen(argv[i]) + 1; } *cptr = 0; *argvptr = NULL; /* open the logfile if necessary */ if (logfile[0]) { close(1); open(logfile,O_WRONLY|O_CREAT| ((dont_zero_log) ? O_APPEND : O_TRUNC), 0644); close(2); dup(1); close(0); } #ifdef USE_LIBWRAP openlog("snmpd", LOG_CONS, LOG_AUTH|LOG_INFO); #endif setvbuf (stdout, NULL, _IOLBF, BUFSIZ); printf ("%s UCD-SNMP version %s\n", sprintf_stamp (NULL), VersionInfo); if (!dont_fork && fork() != 0) /* detach from shell */ exit(0); init_agent(); /* register our .conf handlers */ #ifdef HAVE_MIB register_mib_handlers(); /* snmplib .conf handlers */ read_premib_configs(); /* read pre-mib-reading .conf handlers */ init_mib(); /* initialize the mib structures */ #endif update_config(0); /* read in config files and register HUP */ #ifdef PERSISTENTFILE /* read in the persistent information cache */ read_config_with_type(PERSISTENTFILE, "snmpd"); unlink(PERSISTENTFILE); /* nuke it now that we've read it */ #endif #ifdef HAVE_SNMP2P init_snmp2p( dest_port ); #endif printf("Opening port(s): "); fflush(stdout); if (( ret = open_port( dest_port )) > 0 ) sd_handlers[ret-1] = snmp_read_packet; /* Save pointer to function */ #ifdef HAVE_SNMP2P open_ports_snmp2p( ); #endif printf("\n"); fflush(stdout); /* get current time (ie, the time the agent started) */ gettimeofday(&starttime, NULL); starttime.tv_sec--; starttime.tv_usec += 1000000L; /* send coldstart trap via snmptrap(1) if possible */ send_easy_trap (0, 0); signal(SIGTERM, SnmpdShutDown); signal(SIGINT, SnmpdShutDown); memset(addrCache, 0, sizeof(addrCache)); receive(sdlist); #include "mib_module_shutdown.h" DEBUGMSGTL(("snmpd", "sending shutdown trap\n")); SnmpTrapNodeDown(); DEBUGMSGTL(("snmpd", "Bye...\n")); return 0; }
int main (int argc, char **argv) { int agentx_subagent = 1; // change this if you want to be a SNMP master agent int background = 0; // change this if you want to run in the background int syslog = 0; // change this if you want to use syslog const char *conninfo; // connection string (in libpq format) /* print log errors to syslog or stderr */ if (syslog) snmp_enable_calllog(); else snmp_enable_stderrlog(); /* we're an agentx subagent? */ if (agentx_subagent) { /* make us a agentx client. */ netsnmp_ds_set_boolean(NETSNMP_DS_APPLICATION_ID, NETSNMP_DS_AGENT_ROLE, 1); } /* run in background, if requested */ if (background && netsnmp_daemonize(1, !syslog)) exit(1); /* initialize tcpip, if necessary */ SOCK_STARTUP; /* initialize the agent library */ init_agent("pgstatmibd"); /* initialize mib code here */ /* * If the user supplies a parameter on the command line, use it as the * conninfo string; otherwise default to setting dbname=postgres and using * environment variables or defaults for all other connection parameters. */ if (argc > 1) conninfo = argv[1]; else conninfo = "dbname=postgres user=postgres"; /* Make a connection to the database */ dbconn = PQconnectdb(conninfo); /* Check to see that the backend connection was successfully made */ if (PQstatus(dbconn) != CONNECTION_OK) { //printf("Connection to database failed: %s", // PQerrorMessage(dbconn)); snmp_log(LOG_ERR, "Connection to database failed: %s", PQerrorMessage(dbconn)); //exit_nicely(conn); } /* mib code */ init_pgstatServer(); init_pgstatDatabaseTable(); init_pgstatBgWriter(); /* initialize vacm/usm access control */ /*if (!agentx_subagent) { init_vacm_vars(); init_usmUser(); }*/ /* pgstatmibd will be used to read pgstatmibd.conf files. */ init_snmp("pgstatmibd"); /* If we're going to be a snmp master agent, initial the ports */ if (!agentx_subagent) init_master_agent(); /* open the port to listen on (defaults to udp:161) */ /* In case we recevie a request to stop (kill -TERM or kill -INT) */ keep_running = 1; signal(SIGTERM, stop_server); signal(SIGINT, stop_server); snmp_log(LOG_INFO, "pgstatmibd is up and running.\n"); /* your main loop here... */ while (keep_running) { /* if you use select(), see snmp_select_info() in snmp_api(3) */ /* --- OR --- */ agent_check_and_process(1); /* 0 == don't block */ } /* close the connection to the database and cleanup */ PQfinish(dbconn); /* at shutdown time */ snmp_shutdown("pgstatmibd"); SOCK_CLEANUP; return 0; }
main(int argc, char *argv[]) #endif { char options[128] = "aAc:CdD::fhHI:l:LP:qrsS:UvV-:"; int arg, i, ret; int dont_fork = 0; int dont_zero_log = 0; int stderr_log = 0, syslog_log = 0; int uid = 0, gid = 0; int agent_mode = -1; char logfile[PATH_MAX + 1] = { 0 }; char *cptr, **argvptr; char *pid_file = NULL; #if HAVE_GETPID int fd; FILE *PID; #endif #ifdef LOGFILE strncpy(logfile, LOGFILE, PATH_MAX); #endif #ifdef NO_ROOT_ACCESS /* * Default to no. */ netsnmp_ds_set_boolean(NETSNMP_DS_APPLICATION_ID, NETSNMP_DS_AGENT_NO_ROOT_ACCESS, 1); #endif /* * Default to NOT running an AgentX master. */ netsnmp_ds_set_boolean(NETSNMP_DS_APPLICATION_ID, NETSNMP_DS_AGENT_AGENTX_MASTER, 0); netsnmp_ds_set_int(NETSNMP_DS_APPLICATION_ID, NETSNMP_DS_AGENT_AGENTX_TIMEOUT, -1); netsnmp_ds_set_int(NETSNMP_DS_APPLICATION_ID, NETSNMP_DS_AGENT_AGENTX_RETRIES, -1); /* * Add some options if they are available. */ #if HAVE_UNISTD_H strcat(options, "g:u:"); #endif #if defined(USING_AGENTX_SUBAGENT_MODULE)|| defined(USING_AGENTX_MASTER_MODULE) strcat(options, "x:"); #endif #ifdef USING_AGENTX_SUBAGENT_MODULE strcat(options, "X"); #endif /* * Now process options normally. */ while ((arg = getopt(argc, argv, options)) != EOF) { switch (arg) { case '-': if (strcasecmp(optarg, "help") == 0) { usage(argv[0]); } if (strcasecmp(optarg, "version") == 0) { version(); } handle_long_opt(optarg); break; case 'a': log_addresses++; break; case 'A': dont_zero_log = 1; break; case 'c': if (optarg != NULL) { netsnmp_ds_set_string(NETSNMP_DS_LIBRARY_ID, NETSNMP_DS_LIB_OPTIONALCONFIG, optarg); } else { usage(argv[0]); } break; case 'C': netsnmp_ds_set_boolean(NETSNMP_DS_LIBRARY_ID, NETSNMP_DS_LIB_DONT_READ_CONFIGS, 1); break; case 'd': snmp_set_dump_packet(++snmp_dump_packet); netsnmp_ds_set_boolean(NETSNMP_DS_APPLICATION_ID, NETSNMP_DS_AGENT_VERBOSE, 1); break; case 'D': debug_register_tokens(optarg); snmp_set_do_debugging(1); break; case 'f': dont_fork = 1; break; #if HAVE_UNISTD_H case 'g': if (optarg != NULL) { netsnmp_ds_set_int(NETSNMP_DS_APPLICATION_ID, NETSNMP_DS_AGENT_GROUPID, atoi(optarg)); } else { usage(argv[0]); } break; #endif case 'h': usage(argv[0]); break; case 'H': netsnmp_ds_set_boolean(NETSNMP_DS_APPLICATION_ID, NETSNMP_DS_AGENT_NO_ROOT_ACCESS, 1); init_agent("snmpd"); /* register our .conf handlers */ init_mib_modules(); init_snmp("snmpd"); fprintf(stderr, "Configuration directives understood:\n"); read_config_print_usage(" "); exit(0); case 'I': if (optarg != NULL) { add_to_init_list(optarg); } else { usage(argv[0]); } break; case 'l': if (optarg != NULL) { if (strlen(optarg) > PATH_MAX) { fprintf(stderr, "%s: logfile path too long (limit %d chars)\n", argv[0], PATH_MAX); exit(1); } strncpy(logfile, optarg, PATH_MAX); } else { usage(argv[0]); } break; case 'L': stderr_log = 1; break; case 'P': if (optarg != NULL) { pid_file = optarg; } else { usage(argv[0]); } break; case 'q': snmp_set_quick_print(1); break; case 'r': netsnmp_ds_toggle_boolean(NETSNMP_DS_APPLICATION_ID, NETSNMP_DS_AGENT_NO_ROOT_ACCESS); break; case 's': syslog_log = 1; break; case 'S': if (optarg != NULL) { switch (*optarg) { case 'd': case 'D': Facility = LOG_DAEMON; break; case 'i': case 'I': Facility = LOG_INFO; break; case '0': Facility = LOG_LOCAL0; break; case '1': Facility = LOG_LOCAL1; break; case '2': Facility = LOG_LOCAL2; break; case '3': Facility = LOG_LOCAL3; break; case '4': Facility = LOG_LOCAL4; break; case '5': Facility = LOG_LOCAL5; break; case '6': Facility = LOG_LOCAL6; break; case '7': Facility = LOG_LOCAL7; break; default: fprintf(stderr, "invalid syslog facility: -S%c\n",*optarg); usage(argv[0]); } } else { fprintf(stderr, "no syslog facility specified\n"); usage(argv[0]); } break; case 'U': netsnmp_ds_toggle_boolean(NETSNMP_DS_APPLICATION_ID, NETSNMP_DS_AGENT_LEAVE_PIDFILE); break; #if HAVE_UNISTD_H case 'u': if (optarg != NULL) { char *ecp; int uid; uid = strtoul(optarg, &ecp, 10); if (*ecp) { #if HAVE_GETPWNAM && HAVE_PWD_H struct passwd *info; info = getpwnam(optarg); if (info) { uid = info->pw_uid; } else { #endif fprintf(stderr, "Bad user id: %s\n", optarg); exit(1); #if HAVE_GETPWNAM && HAVE_PWD_H } #endif } netsnmp_ds_set_int(NETSNMP_DS_APPLICATION_ID, NETSNMP_DS_AGENT_USERID, uid); } else { usage(argv[0]); } break; #endif case 'v': version(); case 'V': netsnmp_ds_set_boolean(NETSNMP_DS_APPLICATION_ID, NETSNMP_DS_AGENT_VERBOSE, 1); break; #if defined(USING_AGENTX_SUBAGENT_MODULE)|| defined(USING_AGENTX_MASTER_MODULE) case 'x': if (optarg != NULL) { netsnmp_ds_set_string(NETSNMP_DS_APPLICATION_ID, NETSNMP_DS_AGENT_X_SOCKET, optarg); } else { usage(argv[0]); } netsnmp_ds_set_boolean(NETSNMP_DS_APPLICATION_ID, NETSNMP_DS_AGENT_AGENTX_MASTER, 1); break; #endif case 'X': #if defined(USING_AGENTX_SUBAGENT_MODULE) agent_mode = SUB_AGENT; #else fprintf(stderr, "%s: Illegal argument -X:" "AgentX support not compiled in.\n", argv[0]); usage(argv[0]); exit(1); #endif break; default: usage(argv[0]); break; } } if (optind < argc) { /* * There are optional transport addresses on the command line. */ DEBUGMSGTL(("snmpd/main", "optind %d, argc %d\n", optind, argc)); for (i = optind; i < argc; i++) { char *c, *astring; if ((c = netsnmp_ds_get_string(NETSNMP_DS_APPLICATION_ID, NETSNMP_DS_AGENT_PORTS))) { astring = malloc(strlen(c) + 2 + strlen(argv[i])); if (astring == NULL) { fprintf(stderr, "malloc failure processing argv[%d]\n", i); exit(1); } sprintf(astring, "%s,%s", c, argv[i]); netsnmp_ds_set_string(NETSNMP_DS_APPLICATION_ID, NETSNMP_DS_AGENT_PORTS, astring); free(astring); } else { netsnmp_ds_set_string(NETSNMP_DS_APPLICATION_ID, NETSNMP_DS_AGENT_PORTS, argv[i]); } } DEBUGMSGTL(("snmpd/main", "port spec: %s\n", netsnmp_ds_get_string(NETSNMP_DS_APPLICATION_ID, NETSNMP_DS_AGENT_PORTS))); } setup_log(0, dont_zero_log, stderr_log, syslog_log, logfile); /* * Initialize a argv set to the current for restarting the agent. */ argvrestartp = (char **)malloc((argc + 2) * sizeof(char *)); argvptr = argvrestartp; for (i = 0, ret = 1; i < argc; i++) { ret += strlen(argv[i]) + 1; } argvrestart = (char *) malloc(ret); argvrestartname = (char *) malloc(strlen(argv[0]) + 1); if (!argvrestartp || !argvrestart || !argvrestartname) { fprintf(stderr, "malloc failure processing argvrestart\n"); exit(1); } strcpy(argvrestartname, argv[0]); if (agent_mode == -1) { if (strstr(argvrestartname, "agentxd") != NULL) { netsnmp_ds_set_boolean(NETSNMP_DS_APPLICATION_ID, NETSNMP_DS_AGENT_ROLE, SUB_AGENT); } else { netsnmp_ds_set_boolean(NETSNMP_DS_APPLICATION_ID, NETSNMP_DS_AGENT_ROLE, MASTER_AGENT); } } else { netsnmp_ds_set_boolean(NETSNMP_DS_APPLICATION_ID, NETSNMP_DS_AGENT_ROLE, agent_mode); } for (cptr = argvrestart, i = 0; i < argc; i++) { strcpy(cptr, argv[i]); *(argvptr++) = cptr; cptr += strlen(argv[i]) + 1; } *cptr = 0; *argvptr = NULL; #ifdef BUFSIZ setvbuf(stdout, NULL, _IOLBF, BUFSIZ); #endif /* * Initialize the world. Detach from the shell. Create initial user. */ #if HAVE_FORK if (!dont_fork) { /* * Fork to return control to the invoking process and to * guarantee that we aren't a process group leader. */ if (fork() != 0) { /* Parent. */ if (!netsnmp_ds_get_boolean(NETSNMP_DS_APPLICATION_ID, NETSNMP_DS_AGENT_QUIT_IMMEDIATELY)) { exit(0); } } else { /* Child. */ #ifdef HAVE_SETSID /* Become a process/session group leader. */ setsid(); #endif /* * Fork to let the process/session group leader exit. */ if (fork() != 0) { /* Parent. */ exit(0); } #ifndef WIN32 else { /* Child. */ /* Avoid keeping any directory in use. */ chdir("/"); if (!stderr_log) { /* * Close inherited file descriptors to avoid * keeping unnecessary references. */ close(0); close(1); close(2); /* * Redirect std{in,out,err} to /dev/null, just in * case. */ open("/dev/null", O_RDWR); dup(0); dup(0); } } #endif /* !WIN32 */ } } #endif /* HAVE_FORK */ SOCK_STARTUP; init_agent("snmpd"); /* do what we need to do first. */ init_mib_modules(); /* * start library */ init_snmp("snmpd"); if ((ret = init_master_agent()) != 0) { /* * Some error opening one of the specified agent transports. */ Exit(1); /* Exit logs exit val for us */ } #ifdef SIGTERM DEBUGMSGTL(("signal", "registering SIGTERM signal handler\n")); signal(SIGTERM, SnmpdShutDown); #endif #ifdef SIGINT DEBUGMSGTL(("signal", "registering SIGINT signal handler\n")); signal(SIGINT, SnmpdShutDown); #endif #ifdef SIGHUP DEBUGMSGTL(("signal", "registering SIGHUP signal handler\n")); signal(SIGHUP, SnmpdReconfig); #endif #ifdef SIGUSR1 DEBUGMSGTL(("signal", "registering SIGUSR1 signal handler\n")); signal(SIGUSR1, SnmpdDump); #endif #ifdef SIGPIPE DEBUGMSGTL(("signal", "registering SIGPIPE signal handler\n")); signal(SIGPIPE, SIG_IGN); /* 'Inline' failure of wayward readers */ #endif /* * Store persistent data immediately in case we crash later. */ snmp_store("snmpd"); /* * Send coldstart trap if possible. */ send_easy_trap(0, 0); #if HAVE_GETPID if (pid_file != NULL) { /* * unlink the pid_file, if it exists, prior to open. Without * doing this the open will fail if the user specified pid_file * already exists. */ unlink(pid_file); fd = open(pid_file, O_CREAT | O_EXCL | O_WRONLY, 0600); if (fd == -1) { snmp_log_perror(pid_file); if (!netsnmp_ds_get_boolean(NETSNMP_DS_APPLICATION_ID, NETSNMP_DS_AGENT_NO_ROOT_ACCESS)) { exit(1); } } else { if ((PID = fdopen(fd, "w")) == NULL) { snmp_log_perror(pid_file); exit(1); } else { fprintf(PID, "%d\n", (int) getpid()); fclose(PID); } close(fd); } } #endif #if HAVE_UNISTD_H #ifdef HAVE_SETGID if ((gid = netsnmp_ds_get_int(NETSNMP_DS_APPLICATION_ID, NETSNMP_DS_AGENT_GROUPID)) != 0) { DEBUGMSGTL(("snmpd/main", "Changing gid to %d.\n", gid)); if (setgid(gid) == -1 #ifdef HAVE_SETGROUPS || setgroups(1, (gid_t *)&gid) == -1 #endif ) { snmp_log_perror("setgid failed"); if (!netsnmp_ds_get_boolean(NETSNMP_DS_APPLICATION_ID, NETSNMP_DS_AGENT_NO_ROOT_ACCESS)) { exit(1); } } } #endif #ifdef HAVE_SETUID if ((uid = netsnmp_ds_get_int(NETSNMP_DS_APPLICATION_ID, NETSNMP_DS_AGENT_USERID)) != 0) { DEBUGMSGTL(("snmpd/main", "Changing uid to %d.\n", uid)); if (setuid(uid) == -1) { snmp_log_perror("setuid failed"); if (!netsnmp_ds_get_boolean(NETSNMP_DS_APPLICATION_ID, NETSNMP_DS_AGENT_NO_ROOT_ACCESS)) { exit(1); } } } #endif #endif /* * We're up, log our version number. */ snmp_log(LOG_INFO, "NET-SNMP version %s\n", netsnmp_get_version()); #ifdef WIN32 agent_status = AGENT_RUNNING; #endif netsnmp_addrcache_initialise(); /* * Forever monitor the dest_port for incoming PDUs. */ DEBUGMSGTL(("snmpd/main", "We're up. Starting to process data.\n")); if (!netsnmp_ds_get_boolean(NETSNMP_DS_APPLICATION_ID, NETSNMP_DS_AGENT_QUIT_IMMEDIATELY)) receive(); #include "mib_module_shutdown.h" DEBUGMSGTL(("snmpd/main", "sending shutdown trap\n")); SnmpTrapNodeDown(); DEBUGMSGTL(("snmpd/main", "Bye...\n")); snmp_shutdown("snmpd"); if (!netsnmp_ds_get_boolean(NETSNMP_DS_APPLICATION_ID, NETSNMP_DS_AGENT_LEAVE_PIDFILE) && (pid_file != NULL)) { unlink(pid_file); } #ifdef WIN32 agent_status = AGENT_STOPPED; #endif return 0; } /* End main() -- snmpd */
main(int argc, char *argv[]) #endif { char options[128] = "aAc:CdD::efF:g:hHI:L:m:M:no:O:Ptu:vx:X-:"; netsnmp_session *sess_list = NULL, *ss = NULL; netsnmp_transport *transport = NULL; int arg, i = 0; int uid = 0, gid = 0; int exit_code = 1; char *cp, *listen_ports = NULL; #if defined(USING_AGENTX_SUBAGENT_MODULE) && !defined(NETSNMP_SNMPTRAPD_DISABLE_AGENTX) int agentx_subagent = 1; #endif netsnmp_trapd_handler *traph; #ifndef WIN32 int prepared_sockets = 0; #endif #ifndef NETSNMP_NO_SYSTEMD /* check if systemd has sockets for us and don't close them */ prepared_sockets = netsnmp_sd_listen_fds(0); #endif #ifndef WIN32 /* * close all non-standard file descriptors we may have * inherited from the shell. */ if (!prepared_sockets) netsnmp_close_fds(2); #endif #ifdef SIGTERM signal(SIGTERM, term_handler); #endif #ifdef SIGHUP signal(SIGHUP, SIG_IGN); /* do not terminate on early SIGHUP */ #endif #ifdef SIGINT signal(SIGINT, term_handler); #endif #ifdef SIGPIPE signal(SIGPIPE, SIG_IGN); /* 'Inline' failure of wayward readers */ #endif /* * register our configuration handlers now so -H properly displays them */ snmptrapd_register_configs( ); #ifdef NETSNMP_USE_MYSQL snmptrapd_register_sql_configs( ); #endif #ifdef NETSNMP_SECMOD_USM init_usm_conf( "snmptrapd" ); #endif /* NETSNMP_SECMOD_USM */ register_config_handler("snmptrapd", "snmpTrapdAddr", parse_trapd_address, free_trapd_address, "string"); register_config_handler("snmptrapd", "doNotLogTraps", parse_config_doNotLogTraps, NULL, "(1|yes|true|0|no|false)"); #if HAVE_GETPID register_config_handler("snmptrapd", "pidFile", parse_config_pidFile, NULL, "string"); #endif #ifdef HAVE_UNISTD_H register_config_handler("snmptrapd", "agentuser", parse_config_agentuser, NULL, "userid"); register_config_handler("snmptrapd", "agentgroup", parse_config_agentgroup, NULL, "groupid"); #endif register_config_handler("snmptrapd", "doNotFork", parse_config_doNotFork, NULL, "(1|yes|true|0|no|false)"); register_config_handler("snmptrapd", "ignoreAuthFailure", parse_config_ignoreAuthFailure, NULL, "(1|yes|true|0|no|false)"); register_config_handler("snmptrapd", "outputOption", parse_config_outputOption, NULL, "string"); /* * Add some options if they are available. */ #if HAVE_GETPID strcat(options, "p:"); #endif #ifndef NETSNMP_FEATURE_REMOVE_LOGGING_SYSLOG #ifdef WIN32 snmp_log_syslogname(app_name_long); #else snmp_log_syslogname(app_name); #endif #endif /* NETSNMP_FEATURE_REMOVE_LOGGING_SYSLOG */ /* * Now process options normally. */ while ((arg = getopt(argc, argv, options)) != EOF) { switch (arg) { case '-': if (strcasecmp(optarg, "help") == 0 || strcasecmp(optarg, "version") == 0) { version(); exit_code = 0; goto out; } handle_long_opt(optarg); break; case 'a': dropauth = 1; break; case 'A': netsnmp_ds_set_boolean(NETSNMP_DS_LIBRARY_ID, NETSNMP_DS_LIB_APPEND_LOGFILES, 1); break; case 'c': if (optarg != NULL) { netsnmp_ds_set_string(NETSNMP_DS_LIBRARY_ID, NETSNMP_DS_LIB_OPTIONALCONFIG, optarg); } else { usage(); goto out; } break; case 'C': netsnmp_ds_set_boolean(NETSNMP_DS_LIBRARY_ID, NETSNMP_DS_LIB_DONT_READ_CONFIGS, 1); break; case 'd': netsnmp_ds_set_boolean(NETSNMP_DS_LIBRARY_ID, NETSNMP_DS_LIB_DUMP_PACKET, 1); break; case 'D': debug_register_tokens(optarg); snmp_set_do_debugging(1); break; case 'f': dofork = 0; break; case 'F': if (optarg != NULL) { if (( strncmp( optarg, "print", 5 ) == 0 ) || ( strncmp( optarg, "syslog", 6 ) == 0 ) || ( strncmp( optarg, "execute", 7 ) == 0 )) { /* New style: "type=format" */ trap1_fmt_str_remember = strdup(optarg); cp = strchr( trap1_fmt_str_remember, '=' ); if (cp) *cp = ' '; } else { /* Old style: implicitly "print=format" */ trap1_fmt_str_remember = malloc(strlen(optarg) + 7); sprintf( trap1_fmt_str_remember, "print %s", optarg ); } } else { usage(); goto out; } break; #if HAVE_UNISTD_H case 'g': if (optarg != NULL) { netsnmp_ds_set_int(NETSNMP_DS_APPLICATION_ID, NETSNMP_DS_AGENT_GROUPID, gid = atoi(optarg)); } else { usage(); goto out; } break; #endif case 'h': usage(); exit_code = 0; goto out; case 'H': init_agent("snmptrapd"); #ifdef USING_NOTIFICATION_LOG_MIB_NOTIFICATION_LOG_MODULE init_notification_log(); #endif #ifdef NETSNMP_EMBEDDED_PERL init_perl(); #endif init_snmp("snmptrapd"); fprintf(stderr, "Configuration directives understood:\n"); read_config_print_usage(" "); exit_code = 0; goto out; case 'I': if (optarg != NULL) { add_to_init_list(optarg); } else { usage(); } break; case 'S': fprintf(stderr, "Warning: -S option has been withdrawn; use -Ls <facility> instead\n"); goto out; case 'm': if (optarg != NULL) { setenv("MIBS", optarg, 1); } else { usage(); goto out; } break; case 'M': if (optarg != NULL) { setenv("MIBDIRS", optarg, 1); } else { usage(); goto out; } break; case 'n': netsnmp_ds_set_boolean(NETSNMP_DS_APPLICATION_ID, NETSNMP_DS_APP_NUMERIC_IP, 1); break; case 'o': fprintf(stderr, "Warning: -o option has been withdrawn; use -Lf <file> instead\n"); goto out; case 'O': cp = snmp_out_toggle_options(optarg); if (cp != NULL) { fprintf(stderr, "Unknown output option passed to -O: %c\n", *cp); usage(); goto out; } break; case 'L': if (snmp_log_options( optarg, argc, argv ) < 0 ) { usage(); goto out; } break; #if HAVE_GETPID case 'p': if (optarg != NULL) { parse_config_pidFile(NULL, optarg); } else { usage(); goto out; } break; #endif case 'P': fprintf(stderr, "Warning: -P option has been withdrawn; use -f -Le instead\n"); goto out; case 's': fprintf(stderr, "Warning: -s option has been withdrawn; use -Lsd instead\n"); goto out; case 't': SyslogTrap++; break; #if HAVE_UNISTD_H case 'u': if (optarg != NULL) { char *ecp; uid = strtoul(optarg, &ecp, 10); #if HAVE_GETPWNAM && HAVE_PWD_H if (*ecp) { struct passwd *info; info = getpwnam(optarg); uid = info ? info->pw_uid : -1; endpwent(); } #endif if (uid < 0) { fprintf(stderr, "Bad user id: %s\n", optarg); goto out; } netsnmp_ds_set_int(NETSNMP_DS_APPLICATION_ID, NETSNMP_DS_AGENT_USERID, uid); } else { usage(); goto out; } break; #endif case 'v': version(); exit(0); break; #if defined(USING_AGENTX_SUBAGENT_MODULE) && !defined(NETSNMP_SNMPTRAPD_DISABLE_AGENTX) case 'x': if (optarg != NULL) { netsnmp_ds_set_string(NETSNMP_DS_APPLICATION_ID, NETSNMP_DS_AGENT_X_SOCKET, optarg); } else { usage(); goto out; } break; case 'X': agentx_subagent = 0; break; #endif default: fprintf(stderr, "invalid option: -%c\n", arg); usage(); goto out; break; } } if (optind < argc) { /* * There are optional transport addresses on the command line. */ for (i = optind; i < argc; i++) { char *astring; if (listen_ports != NULL) { astring = malloc(strlen(listen_ports) + 2 + strlen(argv[i])); if (astring == NULL) { fprintf(stderr, "malloc failure processing argv[%d]\n", i); goto out; } sprintf(astring, "%s,%s", listen_ports, argv[i]); free(listen_ports); listen_ports = astring; } else { listen_ports = strdup(argv[i]); if (listen_ports == NULL) { fprintf(stderr, "malloc failure processing argv[%d]\n", i); goto out; } } } } SOCK_STARTUP; /* * I'm being lazy here, and not checking the * return value from these registration calls. * Don't try this at home, children! */ if (0 == snmp_get_do_logging()) { #ifndef NETSNMP_FEATURE_REMOVE_LOGGING_SYSLOG traph = netsnmp_add_global_traphandler(NETSNMPTRAPD_PRE_HANDLER, syslog_handler); traph->authtypes = TRAP_AUTH_LOG; snmp_enable_syslog(); #else /* NETSNMP_FEATURE_REMOVE_LOGGING_SYSLOG */ #ifndef NETSNMP_FEATURE_REMOVE_LOGGING_STDIO traph = netsnmp_add_global_traphandler(NETSNMPTRAPD_PRE_HANDLER, print_handler); traph->authtypes = TRAP_AUTH_LOG; snmp_enable_stderr(); #endif /* NETSNMP_FEATURE_REMOVE_LOGGING_STDIO */ #endif /* NETSNMP_FEATURE_REMOVE_LOGGING_SYSLOG */ } else { traph = netsnmp_add_global_traphandler(NETSNMPTRAPD_PRE_HANDLER, print_handler); traph->authtypes = TRAP_AUTH_LOG; } #if defined(USING_AGENTX_SUBAGENT_MODULE) && !defined(NETSNMP_SNMPTRAPD_DISABLE_AGENTX) /* * we're an agentx subagent? */ if (agentx_subagent) { /* * make us a agentx client. */ netsnmp_ds_set_boolean(NETSNMP_DS_APPLICATION_ID, NETSNMP_DS_AGENT_ROLE, 1); } #endif /* * don't fail if we can't do agentx (ie, socket not there, or not root) */ netsnmp_ds_toggle_boolean(NETSNMP_DS_APPLICATION_ID, NETSNMP_DS_AGENT_NO_ROOT_ACCESS); /* * ignore any warning messages. */ netsnmp_ds_toggle_boolean(NETSNMP_DS_APPLICATION_ID, NETSNMP_DS_AGENT_NO_CONNECTION_WARNINGS); /* * initialize the agent library */ init_agent("snmptrapd"); #if defined(USING_AGENTX_SUBAGENT_MODULE) && !defined(NETSNMP_SNMPTRAPD_DISABLE_AGENTX) #ifdef NETSNMP_FEATURE_CHECKING netsnmp_feature_require(register_snmpEngine_scalars_context) #endif /* NETSNMP_FEATURE_CHECKING */ /* * initialize local modules */ if (agentx_subagent) { #ifdef USING_SNMPV3_SNMPENGINE_MODULE extern void register_snmpEngine_scalars_context(const char *); #endif subagent_init(); #ifdef USING_NOTIFICATION_LOG_MIB_NOTIFICATION_LOG_MODULE /* register the notification log table */ if (should_init("notificationLogMib")) { netsnmp_ds_set_string(NETSNMP_DS_APPLICATION_ID, NETSNMP_DS_NOTIF_LOG_CTX, "snmptrapd"); traph = netsnmp_add_global_traphandler(NETSNMPTRAPD_POST_HANDLER, notification_handler); traph->authtypes = TRAP_AUTH_LOG; init_notification_log(); } #endif #ifdef USING_SNMPV3_SNMPENGINE_MODULE /* * register scalars from SNMP-FRAMEWORK-MIB::snmpEngineID group; * allows engineID probes via the master agent under the * snmptrapd context */ register_snmpEngine_scalars_context("snmptrapd"); #endif } #endif /* USING_AGENTX_SUBAGENT_MODULE && !NETSNMP_SNMPTRAPD_DISABLE_AGENTX */ /* register our authorization handler */ init_netsnmp_trapd_auth(); #if defined(USING_AGENTX_SUBAGENT_MODULE) && !defined(NETSNMP_SNMPTRAPD_DISABLE_AGENTX) if (agentx_subagent) { #ifdef USING_AGENT_NSVACMACCESSTABLE_MODULE extern void init_register_nsVacm_context(const char *); #endif #ifdef USING_SNMPV3_USMUSER_MODULE #ifdef NETSNMP_FEATURE_CHECKING netsnmp_feature_require(init_register_usmUser_context) #endif /* NETSNMP_FEATURE_CHECKING */ extern void init_register_usmUser_context(const char *); /* register ourselves as having a USM user database */ init_register_usmUser_context("snmptrapd"); #endif #ifdef USING_AGENT_NSVACMACCESSTABLE_MODULE /* register net-snmp vacm extensions */ init_register_nsVacm_context("snmptrapd"); #endif #ifdef USING_TLSTM_MIB_SNMPTLSTMCERTTOTSNTABLE_MODULE init_snmpTlstmCertToTSNTable_context("snmptrapd"); #endif } #endif #ifdef NETSNMP_EMBEDDED_PERL init_perl(); { /* set the default path to load */ char init_file[SNMP_MAXBUF]; snprintf(init_file, sizeof(init_file) - 1, "%s/%s", SNMPSHAREPATH, "snmp_perl_trapd.pl"); netsnmp_ds_set_string(NETSNMP_DS_APPLICATION_ID, NETSNMP_DS_AGENT_PERL_INIT_FILE, init_file); } #endif /* * Initialize the world. */ init_snmp("snmptrapd"); #ifdef SIGHUP signal(SIGHUP, hup_handler); #endif if (trap1_fmt_str_remember) { parse_format( NULL, trap1_fmt_str_remember ); } if (netsnmp_ds_get_boolean(NETSNMP_DS_APPLICATION_ID, NETSNMP_DS_AGENT_QUIT_IMMEDIATELY)) { /* * just starting up to process specific configuration and then * shutting down immediately. */ netsnmp_running = 0; } /* * if no logging options on command line or in conf files, use syslog */ if (0 == snmp_get_do_logging()) { #ifndef NETSNMP_FEATURE_REMOVE_LOGGING_SYSLOG #ifdef WIN32 snmp_enable_syslog_ident(app_name_long, Facility); #else snmp_enable_syslog_ident(app_name, Facility); #endif #endif /* NETSNMP_FEATURE_REMOVE_LOGGING_SYSLOG */ } if (listen_ports) cp = listen_ports; else cp = default_port; while (cp != NULL) { char *sep = strchr(cp, ','); if (sep != NULL) { *sep = 0; } transport = netsnmp_transport_open_server("snmptrap", cp); if (transport == NULL) { snmp_log(LOG_ERR, "couldn't open %s -- errno %d (\"%s\")\n", cp, errno, strerror(errno)); snmptrapd_close_sessions(sess_list); goto sock_cleanup; } else { ss = snmptrapd_add_session(transport); if (ss == NULL) { /* * Shouldn't happen? We have already opened the transport * successfully so what could have gone wrong? */ snmptrapd_close_sessions(sess_list); snmp_log(LOG_ERR, "couldn't open snmp - %s", strerror(errno)); goto sock_cleanup; } else { ss->next = sess_list; sess_list = ss; } } /* * Process next listen address, if there is one. */ if (sep != NULL) { *sep = ','; cp = sep + 1; } else { cp = NULL; } } SNMP_FREE(listen_ports); /* done with them */ #ifdef NETSNMP_USE_MYSQL if( netsnmp_mysql_init() ) { fprintf(stderr, "MySQL initialization failed\n"); goto sock_cleanup; } #endif #ifndef WIN32 /* * fork the process to the background if we are not printing to stderr */ if (dofork && netsnmp_running) { int fd; #if HAVE_FORKALL switch (forkall()) { #else switch (fork()) { #endif case -1: fprintf(stderr, "bad fork - %s\n", strerror(errno)); goto sock_cleanup; case 0: /* * become process group leader */ if (setsid() == -1) { fprintf(stderr, "bad setsid - %s\n", strerror(errno)); goto sock_cleanup; } /* * if we are forked, we don't want to print out to stdout or stderr */ fd = open("/dev/null", O_RDWR); if (fd >= 0) { dup2(fd, STDIN_FILENO); dup2(fd, STDOUT_FILENO); dup2(fd, STDERR_FILENO); close(fd); } break; default: _exit(0); } } #endif /* WIN32 */ #if HAVE_GETPID if (pid_file != NULL) { if ((PID = fopen(pid_file, "w")) == NULL) { snmp_log_perror("fopen"); goto sock_cleanup; } fprintf(PID, "%d\n", (int) getpid()); fclose(PID); free_config_pidFile(); } #endif snmp_log(LOG_INFO, "NET-SNMP version %s\n", netsnmp_get_version()); /* * ignore early sighup during startup */ reconfig = 0; #if HAVE_UNISTD_H #ifdef HAVE_SETGID if ((gid = netsnmp_ds_get_int(NETSNMP_DS_APPLICATION_ID, NETSNMP_DS_AGENT_GROUPID)) > 0) { DEBUGMSGTL(("snmptrapd/main", "Changing gid to %d.\n", gid)); if (setgid(gid) == -1 #ifdef HAVE_SETGROUPS || setgroups(1, (gid_t *)&gid) == -1 #endif ) { snmp_log_perror("setgid failed"); if (!netsnmp_ds_get_boolean(NETSNMP_DS_APPLICATION_ID, NETSNMP_DS_AGENT_NO_ROOT_ACCESS)) { goto sock_cleanup; } } } #endif #ifdef HAVE_SETUID if ((uid = netsnmp_ds_get_int(NETSNMP_DS_APPLICATION_ID, NETSNMP_DS_AGENT_USERID)) != 0) { DEBUGMSGTL(("snmptrapd/main", "Changing uid to %d.\n", uid)); if (setuid(uid) == -1) { snmp_log_perror("setuid failed"); if (!netsnmp_ds_get_boolean(NETSNMP_DS_APPLICATION_ID, NETSNMP_DS_AGENT_NO_ROOT_ACCESS)) { goto sock_cleanup; } } } #endif #endif /* * Let systemd know we're up. */ #ifndef NETSNMP_NO_SYSTEMD netsnmp_sd_notify(1, "READY=1\n"); if (prepared_sockets) /* * Clear the environment variable, we already processed all the sockets * by now. */ netsnmp_sd_listen_fds(1); #endif #ifdef WIN32SERVICE trapd_status = SNMPTRAPD_RUNNING; #endif snmptrapd_main_loop(); if (snmp_get_do_logging()) { struct tm *tm; time_t timer; time(&timer); tm = localtime(&timer); snmp_log(LOG_INFO, "%.4d-%.2d-%.2d %.2d:%.2d:%.2d NET-SNMP version %s Stopped.\n", tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday, tm->tm_hour, tm->tm_min, tm->tm_sec, netsnmp_get_version()); } snmp_log(LOG_INFO, "Stopping snmptrapd\n"); #ifdef NETSNMP_EMBEDDED_PERL shutdown_perl(); #endif snmptrapd_close_sessions(sess_list); snmp_shutdown("snmptrapd"); #ifdef WIN32SERVICE trapd_status = SNMPTRAPD_STOPPED; #endif snmp_disable_log(); exit_code = 0; sock_cleanup: SOCK_CLEANUP; out: return exit_code; } /* * Read the configuration files. Implemented as a signal handler so that * receipt of SIGHUP will cause configuration to be re-read when the * trap daemon is running detatched from the console. * */ void trapd_update_config(void) { free_config(); #ifdef USING_MIBII_VACM_CONF_MODULE vacm_standard_views(0,0,NULL,NULL); #endif read_configs(); }
main(int argc, char *argv[]) #endif { char options[128] = "aAc:CdD::fhHI:l:L:m:M:p:P:qrsS:UvV-:"; int arg, i, ret; int dont_fork = 0; int dont_zero_log = 0; int syslog_log = 0; int uid = 0, gid = 0; int agent_mode = -1; char logfile[PATH_MAX + 1] = { 0 }; char *cptr, **argvptr; char *pid_file = NULL; char option_compatability[] = "-Le"; #if HAVE_GETPID int fd; FILE *PID; #endif #ifndef WIN32 /* * close all non-standard file descriptors we may have * inherited from the shell. */ for (i = getdtablesize() - 1; i > 2; --i) { (void) close(i); } #endif /* #WIN32 */ /* * register signals ASAP to prevent default action (usually core) * for signals during startup... */ #ifdef SIGTERM DEBUGMSGTL(("signal", "registering SIGTERM signal handler\n")); signal(SIGTERM, SnmpdShutDown); #endif #ifdef SIGINT DEBUGMSGTL(("signal", "registering SIGINT signal handler\n")); signal(SIGINT, SnmpdShutDown); #endif #ifdef SIGHUP DEBUGMSGTL(("signal", "registering SIGHUP signal handler\n")); signal(SIGHUP, SnmpdReconfig); #endif #ifdef SIGUSR1 DEBUGMSGTL(("signal", "registering SIGUSR1 signal handler\n")); signal(SIGUSR1, SnmpdDump); #endif #ifdef SIGPIPE DEBUGMSGTL(("signal", "registering SIGPIPE signal handler\n")); signal(SIGPIPE, SIG_IGN); /* 'Inline' failure of wayward readers */ #endif #ifdef SIGXFSZ signal(SIGXFSZ, SnmpdCatchRandomSignal); #endif #ifdef LOGFILE strncpy(logfile, LOGFILE, PATH_MAX); #endif #ifdef NO_ROOT_ACCESS /* * Default to no. */ netsnmp_ds_set_boolean(NETSNMP_DS_APPLICATION_ID, NETSNMP_DS_AGENT_NO_ROOT_ACCESS, 1); #endif /* * Default to NOT running an AgentX master. */ netsnmp_ds_set_boolean(NETSNMP_DS_APPLICATION_ID, NETSNMP_DS_AGENT_AGENTX_MASTER, 0); netsnmp_ds_set_int(NETSNMP_DS_APPLICATION_ID, NETSNMP_DS_AGENT_AGENTX_TIMEOUT, -1); netsnmp_ds_set_int(NETSNMP_DS_APPLICATION_ID, NETSNMP_DS_AGENT_AGENTX_RETRIES, -1); /* * Add some options if they are available. */ #if HAVE_UNISTD_H strcat(options, "g:u:"); #endif #if defined(USING_AGENTX_SUBAGENT_MODULE)|| defined(USING_AGENTX_MASTER_MODULE) strcat(options, "x:"); #endif #ifdef USING_AGENTX_SUBAGENT_MODULE strcat(options, "X"); #endif /* * This is incredibly ugly, but it's probably the simplest way * to handle the old '-L' option as well as the new '-Lx' style */ for (i=0; i<argc; i++) { if (!strcmp(argv[i], "-L")) argv[i] = option_compatability; } snmp_log_syslogname(app_name); /* * Now process options normally. */ while ((arg = getopt(argc, argv, options)) != EOF) { switch (arg) { case '-': if (strcasecmp(optarg, "help") == 0) { usage(argv[0]); } if (strcasecmp(optarg, "version") == 0) { version(); } handle_long_opt(optarg); break; case 'a': log_addresses++; break; case 'A': dont_zero_log = 1; break; case 'c': if (optarg != NULL) { netsnmp_ds_set_string(NETSNMP_DS_LIBRARY_ID, NETSNMP_DS_LIB_OPTIONALCONFIG, optarg); } else { usage(argv[0]); } break; case 'C': netsnmp_ds_set_boolean(NETSNMP_DS_LIBRARY_ID, NETSNMP_DS_LIB_DONT_READ_CONFIGS, 1); break; case 'd': snmp_set_dump_packet(++snmp_dump_packet); netsnmp_ds_set_boolean(NETSNMP_DS_APPLICATION_ID, NETSNMP_DS_AGENT_VERBOSE, 1); break; case 'D': debug_register_tokens(optarg); snmp_set_do_debugging(1); break; case 'f': dont_fork = 1; break; #if HAVE_UNISTD_H case 'g': if (optarg != NULL) { netsnmp_ds_set_int(NETSNMP_DS_APPLICATION_ID, NETSNMP_DS_AGENT_GROUPID, atoi(optarg)); } else { usage(argv[0]); } break; #endif case 'h': usage(argv[0]); break; case 'H': netsnmp_ds_set_boolean(NETSNMP_DS_APPLICATION_ID, NETSNMP_DS_AGENT_NO_ROOT_ACCESS, 1); init_agent("snmpd"); /* register our .conf handlers */ init_mib_modules(); init_snmp("snmpd"); fprintf(stderr, "Configuration directives understood:\n"); read_config_print_usage(" "); exit(0); case 'I': if (optarg != NULL) { add_to_init_list(optarg); } else { usage(argv[0]); } break; case 'l': printf("Warning: -l option is deprecated, use -Lf <file> instead\n"); if (optarg != NULL) { if (strlen(optarg) > PATH_MAX) { fprintf(stderr, "%s: logfile path too long (limit %d chars)\n", argv[0], PATH_MAX); exit(1); } strncpy(logfile, optarg, PATH_MAX); } else { usage(argv[0]); } break; case 'L': if (snmp_log_options( optarg, argc, argv ) < 0 ) { usage(argv[0]); } break; case 'm': if (optarg != NULL) { setenv("MIBS", optarg, 1); } else { usage(argv[0]); } break; case 'M': if (optarg != NULL) { setenv("MIBDIRS", optarg, 1); } else { usage(argv[0]); } break; case 'P': printf("Warning: -P option is deprecated, use -p instead\n"); case 'p': if (optarg != NULL) { pid_file = optarg; } else { usage(argv[0]); } break; case 'q': snmp_set_quick_print(1); break; case 'r': netsnmp_ds_toggle_boolean(NETSNMP_DS_APPLICATION_ID, NETSNMP_DS_AGENT_NO_ROOT_ACCESS); break; case 's': printf("Warning: -s option is deprecated, use -Lsd instead\n"); syslog_log = 1; break; case 'S': printf("Warning: -S option is deprecated, use -Ls <facility> instead\n"); if (optarg != NULL) { switch (*optarg) { case 'd': case 'D': Facility = LOG_DAEMON; break; case 'i': case 'I': Facility = LOG_INFO; break; case '0': Facility = LOG_LOCAL0; break; case '1': Facility = LOG_LOCAL1; break; case '2': Facility = LOG_LOCAL2; break; case '3': Facility = LOG_LOCAL3; break; case '4': Facility = LOG_LOCAL4; break; case '5': Facility = LOG_LOCAL5; break; case '6': Facility = LOG_LOCAL6; break; case '7': Facility = LOG_LOCAL7; break; default: fprintf(stderr, "invalid syslog facility: -S%c\n",*optarg); usage(argv[0]); } } else { fprintf(stderr, "no syslog facility specified\n"); usage(argv[0]); } break; case 'U': netsnmp_ds_toggle_boolean(NETSNMP_DS_APPLICATION_ID, NETSNMP_DS_AGENT_LEAVE_PIDFILE); break; #if HAVE_UNISTD_H case 'u': if (optarg != NULL) { char *ecp; int uid; uid = strtoul(optarg, &ecp, 10); if (*ecp) { #if HAVE_GETPWNAM && HAVE_PWD_H struct passwd *info; info = getpwnam(optarg); if (info) { uid = info->pw_uid; } else { #endif fprintf(stderr, "Bad user id: %s\n", optarg); exit(1); #if HAVE_GETPWNAM && HAVE_PWD_H } #endif } netsnmp_ds_set_int(NETSNMP_DS_APPLICATION_ID, NETSNMP_DS_AGENT_USERID, uid); } else { usage(argv[0]); } break; #endif case 'v': version(); case 'V': netsnmp_ds_set_boolean(NETSNMP_DS_APPLICATION_ID, NETSNMP_DS_AGENT_VERBOSE, 1); break; #if defined(USING_AGENTX_SUBAGENT_MODULE)|| defined(USING_AGENTX_MASTER_MODULE) case 'x': if (optarg != NULL) { netsnmp_ds_set_string(NETSNMP_DS_APPLICATION_ID, NETSNMP_DS_AGENT_X_SOCKET, optarg); } else { usage(argv[0]); } netsnmp_ds_set_boolean(NETSNMP_DS_APPLICATION_ID, NETSNMP_DS_AGENT_AGENTX_MASTER, 1); break; #endif case 'X': #if defined(USING_AGENTX_SUBAGENT_MODULE) agent_mode = SUB_AGENT; #else fprintf(stderr, "%s: Illegal argument -X:" "AgentX support not compiled in.\n", argv[0]); usage(argv[0]); exit(1); #endif break; default: usage(argv[0]); break; } } if (optind < argc) { /* * There are optional transport addresses on the command line. */ DEBUGMSGTL(("snmpd/main", "optind %d, argc %d\n", optind, argc)); for (i = optind; i < argc; i++) { char *c, *astring; if ((c = netsnmp_ds_get_string(NETSNMP_DS_APPLICATION_ID, NETSNMP_DS_AGENT_PORTS))) { astring = (char*)malloc(strlen(c) + 2 + strlen(argv[i])); if (astring == NULL) { fprintf(stderr, "malloc failure processing argv[%d]\n", i); exit(1); } sprintf(astring, "%s,%s", c, argv[i]); netsnmp_ds_set_string(NETSNMP_DS_APPLICATION_ID, NETSNMP_DS_AGENT_PORTS, astring); SNMP_FREE(astring); } else { netsnmp_ds_set_string(NETSNMP_DS_APPLICATION_ID, NETSNMP_DS_AGENT_PORTS, argv[i]); } } DEBUGMSGTL(("snmpd/main", "port spec: %s\n", netsnmp_ds_get_string(NETSNMP_DS_APPLICATION_ID, NETSNMP_DS_AGENT_PORTS))); } setup_log(0, dont_zero_log, 0, syslog_log, logfile); /* * Initialize a argv set to the current for restarting the agent. */ argvrestartp = (char **)malloc((argc + 2) * sizeof(char *)); argvptr = argvrestartp; for (i = 0, ret = 1; i < argc; i++) { ret += strlen(argv[i]) + 1; } argvrestart = (char *) malloc(ret); argvrestartname = (char *) malloc(strlen(argv[0]) + 1); if (!argvrestartp || !argvrestart || !argvrestartname) { fprintf(stderr, "malloc failure processing argvrestart\n"); exit(1); } strcpy(argvrestartname, argv[0]); if (agent_mode == -1) { if (strstr(argvrestartname, "agentxd") != NULL) { netsnmp_ds_set_boolean(NETSNMP_DS_APPLICATION_ID, NETSNMP_DS_AGENT_ROLE, SUB_AGENT); } else { netsnmp_ds_set_boolean(NETSNMP_DS_APPLICATION_ID, NETSNMP_DS_AGENT_ROLE, MASTER_AGENT); } } else { netsnmp_ds_set_boolean(NETSNMP_DS_APPLICATION_ID, NETSNMP_DS_AGENT_ROLE, agent_mode); } for (cptr = argvrestart, i = 0; i < argc; i++) { strcpy(cptr, argv[i]); *(argvptr++) = cptr; cptr += strlen(argv[i]) + 1; } *cptr = 0; *argvptr = NULL; #ifdef BUFSIZ setvbuf(stdout, NULL, _IOLBF, BUFSIZ); #endif /* * Initialize the world. Detach from the shell. Create initial user. */ if(!dont_fork) { int quit = ! netsnmp_ds_get_boolean(NETSNMP_DS_APPLICATION_ID, NETSNMP_DS_AGENT_QUIT_IMMEDIATELY); ret = netsnmp_daemonize(quit, snmp_stderrlog_status()); /* * xxx-rks: do we care if fork fails? I think we should... */ if(ret != 0) Exit(1); /* Exit logs exit val for us */ } SOCK_STARTUP; init_agent("snmpd"); /* do what we need to do first. */ init_mib_modules(); /* * start library */ init_snmp("snmpd"); if ((ret = init_master_agent()) != 0) { /* * Some error opening one of the specified agent transports. */ Exit(1); /* Exit logs exit val for us */ } /* * Store persistent data immediately in case we crash later. */ snmp_store("snmpd"); /* * Send coldstart trap if possible. */ send_easy_trap(0, 0); #if HAVE_GETPID if (pid_file != NULL) { /* * unlink the pid_file, if it exists, prior to open. Without * doing this the open will fail if the user specified pid_file * already exists. */ unlink(pid_file); fd = open(pid_file, O_CREAT | O_EXCL | O_WRONLY, 0600); if (fd == -1) { snmp_log_perror(pid_file); if (!netsnmp_ds_get_boolean(NETSNMP_DS_APPLICATION_ID, NETSNMP_DS_AGENT_NO_ROOT_ACCESS)) { exit(1); } } else { if ((PID = fdopen(fd, "w")) == NULL) { snmp_log_perror(pid_file); exit(1); } else { fprintf(PID, "%d\n", (int) getpid()); fclose(PID); } close(fd); } } #endif #if HAVE_UNISTD_H #ifdef HAVE_SETGID if ((gid = netsnmp_ds_get_int(NETSNMP_DS_APPLICATION_ID, NETSNMP_DS_AGENT_GROUPID)) != 0) { DEBUGMSGTL(("snmpd/main", "Changing gid to %d.\n", gid)); if (setgid(gid) == -1 #ifdef HAVE_SETGROUPS || setgroups(1, (gid_t *)&gid) == -1 #endif ) { snmp_log_perror("setgid failed"); if (!netsnmp_ds_get_boolean(NETSNMP_DS_APPLICATION_ID, NETSNMP_DS_AGENT_NO_ROOT_ACCESS)) { exit(1); } } } #endif #ifdef HAVE_SETUID if ((uid = netsnmp_ds_get_int(NETSNMP_DS_APPLICATION_ID, NETSNMP_DS_AGENT_USERID)) != 0) { DEBUGMSGTL(("snmpd/main", "Changing uid to %d.\n", uid)); if (setuid(uid) == -1) { snmp_log_perror("setuid failed"); if (!netsnmp_ds_get_boolean(NETSNMP_DS_APPLICATION_ID, NETSNMP_DS_AGENT_NO_ROOT_ACCESS)) { exit(1); } } } #endif #endif /* * We're up, log our version number. */ snmp_log(LOG_INFO, "NET-SNMP version %s\n", netsnmp_get_version()); #ifdef WIN32SERVICE agent_status = AGENT_RUNNING; #endif netsnmp_addrcache_initialise(); /* * Forever monitor the dest_port for incoming PDUs. */ DEBUGMSGTL(("snmpd/main", "We're up. Starting to process data.\n")); if (!netsnmp_ds_get_boolean(NETSNMP_DS_APPLICATION_ID, NETSNMP_DS_AGENT_QUIT_IMMEDIATELY)) receive(); #include "mib_module_shutdown.h" DEBUGMSGTL(("snmpd/main", "sending shutdown trap\n")); SnmpTrapNodeDown(); DEBUGMSGTL(("snmpd/main", "Bye...\n")); snmp_shutdown("snmpd"); #ifdef SHUTDOWN_AGENT_CLEANLY /* broken code */ /* these attempt to free all known memory, but result in double frees */ shutdown_master_agent(); shutdown_agent(); #endif if (!netsnmp_ds_get_boolean(NETSNMP_DS_APPLICATION_ID, NETSNMP_DS_AGENT_LEAVE_PIDFILE) && (pid_file != NULL)) { unlink(pid_file); } #ifdef WIN32SERVICE agent_status = AGENT_STOPPED; #endif SNMP_FREE(argvrestartname); SNMP_FREE(argvrestart); SNMP_FREE(argvrestartp); SOCK_CLEANUP; return 0; } /* End main() -- snmpd */