RETSIGTYPE restart_doit(int a) { char * name = netsnmp_ds_get_string(NETSNMP_DS_LIBRARY_ID, NETSNMP_DS_LIB_APPTYPE); snmp_shutdown(name); /* This signal handler may run with SIGALARM blocked. * Since the signal mask is preserved accross execv(), we must * make sure that SIGALARM is unblocked prior of execv'ing. * Otherwise SIGALARM will be ignored in the next incarnation * of snmpd, because the signal is blocked. And thus, the * restart doesn't work anymore. */ #if HAVE_SIGBLOCK sigsetmask(0); #endif /* * do the exec */ #if HAVE_EXECV execv(argvrestartname, argvrestartp); setPerrorstatus(argvrestartname); #endif }
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 stop_server() { snmp_shutdown("mysnmpagent"); shutdown_agent(); keep_running=0; return; }
int ifs_shutdown() { /* at shutdown time */ snmp_shutdown("example-demon"); SOCK_CLEANUP; return 0; }
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; }
void snmpDeliverTrap_netsnmp::terminate() { PEG_METHOD_ENTER(TRC_IND_HANDLER, "snmpDeliverTrap_netsnmp::terminate"); // Shuts down the application, and appropriate clean up snmp_shutdown("snmpIndicationHandler"); SOCK_CLEANUP; PEG_METHOD_EXIT(); }
static lagopus_result_t snmpmgr_thread_loop(const lagopus_thread_t *selfptr, void *arg) { lagopus_result_t ret = LAGOPUS_RESULT_ANY_FAILURES; lagopus_chrono_t interval = DEFAULT_SNMPMGR_LOOP_INTERVAL_NSEC; global_state_t global_state; shutdown_grace_level_t l; (void)selfptr; (void)arg; /* open the session to AgentX master agent here. */ init_snmp(SNMP_TYPE); /* wait all modules start */ if ((ret = global_state_wait_for(GLOBAL_STATE_STARTED, &global_state, &l, -1 /* forever! */)) != LAGOPUS_RESULT_OK) { lagopus_perror(ret); } else { if (global_state != GLOBAL_STATE_STARTED) { lagopus_exit_fatal("must not happen. die!\n"); } } /* all modules have started, then send a coldStart trap */ (void)send_coldStart_trap(); lagopus_msg_info("SNMP manager started (as a thread).\n"); /* main loop */ while (keep_running) { (void)lagopus_mutex_lock(&snmp_lock); ret = internal_snmpmgr_poll(interval); (void)lagopus_mutex_unlock(&snmp_lock); if (ret != LAGOPUS_RESULT_OK && ret != LAGOPUS_RESULT_TIMEDOUT) { lagopus_msg_warning("failed to poll SNMP AgentX request: %s", lagopus_error_get_string(ret)); } check_status_and_send_traps(); } /* stop SNMP */ snmp_shutdown(SNMP_TYPE); (void)lagopus_mutex_lock(&snmp_state_lock); if (state != SNMPMGR_RUNNABLE) { state = SNMPMGR_NONE; } (void)lagopus_mutex_unlock(&snmp_state_lock); return LAGOPUS_RESULT_OK; }
static inline lagopus_result_t snmpmgr_stop_single(void) { (void)lagopus_mutex_lock(&snmp_state_lock); if (state == SNMPMGR_RUNNING) { snmp_shutdown(SNMP_TYPE); state = SNMPMGR_RUNNABLE; (void)lagopus_mutex_unlock(&snmp_state_lock); return LAGOPUS_RESULT_OK; } else { (void)lagopus_mutex_unlock(&snmp_state_lock); return LAGOPUS_RESULT_NOT_STARTED; } }
static void snmp_client_close(void *hnd) { struct oh_handler_state *handle = (struct oh_handler_state *)hnd; struct snmp_client_hnd *custom_handle = (struct snmp_client_hnd *)handle->data; snmp_close(custom_handle->sessp); /* Should we free handle->config? */ snmp_shutdown("oh_snmp_client"); /* windows32 specific net-snmp cleanup (is a noop on unix) */ SOCK_CLEANUP; }
lagopus_result_t snmpmgr_shutdown(shutdown_grace_level_t level) { (void) level; if (is_thread == false) { snmp_shutdown(SNMP_TYPE); return LAGOPUS_RESULT_OK; } else { bool is_valid = false; lagopus_result_t ret = LAGOPUS_RESULT_ANY_FAILURES; if ((ret = lagopus_thread_is_valid(&snmpmgr, &is_valid)) != LAGOPUS_RESULT_OK || is_valid == false) { lagopus_perror(ret); return ret; } keep_running = false; return ret; } }
/*! This function: * * 1) Registers itself with the Master Agent * 2) Initializes all of the SNMPStats modules scalars and tables, while * simultaneously registering their respective SNMP OID's and handlers * with the master agent. * 3) Repeatedly checks for new SNMP messages to process * * \note This function never returns, so it should always be called from a * sub-process. */ static int initialize_agentx(void) { /* We register with a master agent */ register_with_master_agent(AGENT_PROCESS_NAME); LM_DBG("Initializing Kamailio OID's for SNMPD MasterX\n"); /* Initialize all scalars, and let the master agent know we want to * handle all OID's pertaining to these scalars. */ init_kamailioSIPCommonObjects(); init_kamailioSIPServerObjects(); init_kamailioObjects(); /* Initialiaze all the tables, and let the master agent know we want to * handle all the OID's pertaining to these tables */ init_kamailioSIPPortTable(); init_kamailioSIPMethodSupportedTable(); init_kamailioSIPStatusCodesTable(); init_kamailioSIPRegUserTable(); init_kamailioSIPContactTable(); init_kamailioSIPRegUserLookupTable(); init_kamailioServer(); init_kamailioNet(); init_kamailioNetConfig(); LM_DBG("Done initializing Kamailio OID's for SNMPD MasterX\n"); /* In case we recevie a request to stop (kill -TERM or kill -INT) */ keep_running = 1; while(keep_running) { /* update the local config framework structures */ cfg_update(); agent_check_and_process(1); /* 0 == don't block */ } LM_DBG("Shutting down Kamailio SNMPD MasterX sub agent.\n"); snmp_shutdown(AGENT_PROCESS_NAME); SOCK_CLEANUP; exit (0); return 0; }
/* FIXME Returning EINVAL is not right */ int main(int argc, char *argv[]) { const char *master_agentx_host = NULL; uint32_t master_agentx_port = 0; /* agentx host should always be provided */ if (argc < 4) return EINVAL; if (sscanf(argv[1], "%u", &node_id) != 1) return EINVAL; node_name = argv[2]; master_agentx_host = argv[3]; /* The port parameter is optional: 0 is a valid value for agentx port (means default port) */ if (argc >= 5) master_agentx_port = atoi(argv[4]); if (master_agentx_port == 0) master_agentx_port = MD_DEFAULT_MASTER_AGENTX_PORT; init_snmp_subagent(master_agentx_host, master_agentx_port); init_md_handler(); init_md_heartbeat(); while (!stop) { os_sleep(1); agent_check_and_process(0); /* 0 == don't block */ } snmp_log(LOG_INFO, "exit exa_agentx.\n"); snmp_shutdown("exa_agentx"); SOCK_CLEANUP; return EXA_SUCCESS; }
RETSIGTYPE restart_doit(int a) { char * name = netsnmp_ds_get_string(NETSNMP_DS_LIBRARY_ID, NETSNMP_DS_LIB_APPTYPE); snmp_shutdown(name); /* This signal handler may run with SIGALARM blocked. * Since the signal mask is preserved accross execv(), we must * make sure that SIGALARM is unblocked prior of execv'ing. * Otherwise SIGALARM will be ignored in the next incarnation * of snmpd, because the signal is blocked. And thus, the * restart doesn't work anymore. * * A quote from the sigprocmask() man page: * The use of sigprocmask() is unspecified in a multithreaded process; see * pthread_sigmask(3). */ #if HAVE_SIGPROCMASK { sigset_t empty_set; sigemptyset(&empty_set); sigprocmask(SIG_SETMASK, &empty_set, NULL); } #elif HAVE_SIGBLOCK sigsetmask(0); #endif /* * do the exec */ #if HAVE_EXECV execv(argvrestartname, argvrestartp); setPerrorstatus(argvrestartname); #endif }
void mp_snmp_deinit(void) { snmp_shutdown(progname); SOCK_CLEANUP; }
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: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 */
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; }
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) { 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; }
/*! \fn void snmp_spine_close() * \brief wrapper function for the snmp_shutdown function * * Closes the snmp api for the given application ID * */ void snmp_spine_close(void) { snmp_shutdown("spine"); }
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[]) { netsnmp_session session, *ss; netsnmp_pdu *pdu, *response; oid name[MAX_OID_LEN]; size_t name_length; int arg; int status; char *trap = NULL; char *prognam; int exitval = 0; #ifndef NETSNMP_DISABLE_SNMPV1 char *specific = NULL, *description = NULL, *agent = NULL; in_addr_t *pdu_in_addr_t; #endif prognam = strrchr (argv[0], '/'); if (prognam) prognam++; else prognam = argv[0]; putenv (strdup ("POSIXLY_CORRECT=1")); if (strcmp (prognam, "snmpinform") == 0) inform = 1; switch (arg = snmp_parse_args (argc, argv, &session, "C:", optProc)) { case NETSNMP_PARSE_ARGS_ERROR: exit (1); case NETSNMP_PARSE_ARGS_SUCCESS_EXIT: exit (0); case NETSNMP_PARSE_ARGS_ERROR_USAGE: usage (); exit (1); default: break; } SOCK_STARTUP; session.callback = snmp_input; session.callback_magic = NULL; /* * setup the local engineID which may be for either or both of the * contextEngineID and/or the securityEngineID. */ setup_engineID (NULL, NULL); /* if we don't have a contextEngineID set via command line arguments, use our internal engineID as the context. */ if (session.contextEngineIDLen == 0 || session.contextEngineID == NULL) { session.contextEngineID = snmpv3_generate_engineID (&session.contextEngineIDLen); } if (session.version == SNMP_VERSION_3 && !inform) { /* * for traps, we use ourselves as the authoritative engine * which is really stupid since command line apps don't have a * notion of a persistent engine. Hence, our boots and time * values are probably always really wacked with respect to what * a manager would like to see. * * The following should be enough to: * * 1) prevent the library from doing discovery for engineid & time. * 2) use our engineid instead of the remote engineid for * authoritative & privacy related operations. * 3) The remote engine must be configured with users for our engineID. * * -- Wes */ /* * pick our own engineID */ if (session.securityEngineIDLen == 0 || session.securityEngineID == NULL) { session.securityEngineID = snmpv3_generate_engineID (&session.securityEngineIDLen); } /* * set boots and time, which will cause problems if this * machine ever reboots and a remote trap receiver has cached our * boots and time... I'll cause a not-in-time-window report to * be sent back to this machine. */ if (session.engineBoots == 0) session.engineBoots = 1; if (session.engineTime == 0) /* not really correct, */ session.engineTime = get_uptime (); /* but it'll work. Sort of. */ } ss = snmp_add (&session, netsnmp_transport_open_client ("snmptrap", session.peername), NULL, NULL); if (ss == NULL) { /* * diagnose netsnmp_transport_open_client and snmp_add errors with * the input netsnmp_session pointer */ snmp_sess_perror ("snmptrap", &session); SOCK_CLEANUP; exit (1); } #ifndef NETSNMP_DISABLE_SNMPV1 if (session.version == SNMP_VERSION_1) { if (inform) { fprintf (stderr, "Cannot send INFORM as SNMPv1 PDU\n"); SOCK_CLEANUP; exit (1); } pdu = snmp_pdu_create (SNMP_MSG_TRAP); if (!pdu) { fprintf (stderr, "Failed to create trap PDU\n"); SOCK_CLEANUP; exit (1); } pdu_in_addr_t = (in_addr_t *) pdu->agent_addr; if (arg == argc) { fprintf (stderr, "No enterprise oid\n"); usage (); SOCK_CLEANUP; exit (1); } if (argv[arg][0] == 0) { pdu->enterprise = (oid *) malloc (sizeof (objid_enterprise)); memcpy (pdu->enterprise, objid_enterprise, sizeof (objid_enterprise)); pdu->enterprise_length = sizeof (objid_enterprise) / sizeof (oid); } else { name_length = MAX_OID_LEN; if (!snmp_parse_oid (argv[arg], name, &name_length)) { snmp_perror (argv[arg]); usage (); SOCK_CLEANUP; exit (1); } pdu->enterprise = (oid *) malloc (name_length * sizeof (oid)); memcpy (pdu->enterprise, name, name_length * sizeof (oid)); pdu->enterprise_length = name_length; } if (++arg >= argc) { fprintf (stderr, "Missing agent parameter\n"); usage (); SOCK_CLEANUP; exit (1); } agent = argv[arg]; if (agent != NULL && strlen (agent) != 0) { int ret = netsnmp_gethostbyname_v4 (agent, pdu_in_addr_t); if (ret < 0) { fprintf (stderr, "unknown host: %s\n", agent); exit (1); } } else { *pdu_in_addr_t = get_myaddr (); } if (++arg == argc) { fprintf (stderr, "Missing generic-trap parameter\n"); usage (); SOCK_CLEANUP; exit (1); } trap = argv[arg]; pdu->trap_type = atoi (trap); if (++arg == argc) { fprintf (stderr, "Missing specific-trap parameter\n"); usage (); SOCK_CLEANUP; exit (1); } specific = argv[arg]; pdu->specific_type = atoi (specific); if (++arg == argc) { fprintf (stderr, "Missing uptime parameter\n"); usage (); SOCK_CLEANUP; exit (1); } description = argv[arg]; if (description == NULL || *description == 0) pdu->time = get_uptime (); else pdu->time = atol (description); } else #endif { long sysuptime; char csysuptime[20]; pdu = snmp_pdu_create (inform ? SNMP_MSG_INFORM : SNMP_MSG_TRAP2); if (!pdu) { fprintf (stderr, "Failed to create notification PDU\n"); SOCK_CLEANUP; exit (1); } if (arg == argc) { fprintf (stderr, "Missing up-time parameter\n"); usage (); SOCK_CLEANUP; exit (1); } trap = argv[arg]; if (*trap == 0) { sysuptime = get_uptime (); sprintf (csysuptime, "%ld", sysuptime); trap = csysuptime; } snmp_add_var (pdu, objid_sysuptime, sizeof (objid_sysuptime) / sizeof (oid), 't', trap); if (++arg == argc) { fprintf (stderr, "Missing trap-oid parameter\n"); usage (); SOCK_CLEANUP; exit (1); } if (snmp_add_var (pdu, objid_snmptrap, sizeof (objid_snmptrap) / sizeof (oid), 'o', argv[arg]) != 0) { snmp_perror (argv[arg]); SOCK_CLEANUP; exit (1); } } arg++; while (arg < argc) { arg += 3; if (arg > argc) { fprintf (stderr, "%s: Missing type/value for variable\n", argv[arg - 3]); SOCK_CLEANUP; exit (1); } name_length = MAX_OID_LEN; if (!snmp_parse_oid (argv[arg - 3], name, &name_length)) { snmp_perror (argv[arg - 3]); SOCK_CLEANUP; exit (1); } if (snmp_add_var (pdu, name, name_length, argv[arg - 2][0], argv[arg - 1]) != 0) { snmp_perror (argv[arg - 3]); SOCK_CLEANUP; exit (1); } } if (inform) status = snmp_synch_response (ss, pdu, &response); else status = snmp_send (ss, pdu) == 0; if (status) { snmp_sess_perror (inform ? "snmpinform" : "snmptrap", ss); if (!inform) snmp_free_pdu (pdu); exitval = 1; } else if (inform) snmp_free_pdu (response); snmp_close (ss); snmp_shutdown ("snmpapp"); SOCK_CLEANUP; return exitval; }
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; /* 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_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 = 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; }
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 */
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 */
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(); }
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); }