static void
netsnmp_ds_set_init (void)
{
netsnmp_ds_set_string(NETSNMP_DS_LIBRARY_ID,
NETSNMP_DS_LIB_APPTYPE, DNAME_JNX_EXAMPLED);
netsnmp_ds_set_string(NETSNMP_DS_APPLICATION_ID,
NETSNMP_DS_AGENT_X_SOCKET, PATH_MASTER_AGENTX);
netsnmp_ds_set_boolean(NETSNMP_DS_APPLICATION_ID, NETSNMP_DS_AGENT_ROLE,
SUB_AGENT);
}
static void _parse_server_cert(const char *tok, char *line)
{
config_pwarn("serverCert is deprecated. Clients should use peerCert, servers should use localCert.");
if (*line == '"') {
char buf[SNMP_MAXBUF];
copy_nword(line, buf, sizeof(buf));
netsnmp_ds_set_string(NETSNMP_DS_LIBRARY_ID,
NETSNMP_DS_LIB_X509_CLIENT_PUB, buf);
} else
netsnmp_ds_set_string(NETSNMP_DS_LIBRARY_ID,
NETSNMP_DS_LIB_X509_SERVER_PUB, line);
}
void
snmpd_set_agent_address(const char *token, char *cptr)
{
char buf[SPRINT_MAX_LEN];
char *ptr;
/*
* has something been specified before?
*/
ptr = netsnmp_ds_get_string(NETSNMP_DS_APPLICATION_ID,
NETSNMP_DS_AGENT_PORTS);
if (ptr) {
/*
* append to the older specification string
*/
sprintf(buf, "%s,%s", ptr, cptr);
} else {
strcpy(buf, cptr);
}
DEBUGMSGTL(("snmpd_ports", "port spec: %s\n", buf));
netsnmp_ds_set_string(NETSNMP_DS_APPLICATION_ID,
NETSNMP_DS_AGENT_PORTS, buf);
}
int init_snmp_agent(void)
{
int result;
if (user_settings.is_master_agent) {
netsnmp_ds_set_boolean(NETSNMP_DS_APPLICATION_ID, NETSNMP_DS_AGENT_ROLE, 1);
} else {
netsnmp_enable_subagent();
}
if (user_settings.agentx_address != NULL) {
netsnmp_ds_set_string(NETSNMP_DS_APPLICATION_ID, NETSNMP_DS_AGENT_X_SOCKET, user_settings.agentx_address);
}
if (user_settings.daemonize)
snmp_enable_syslog();
else
snmp_enable_stderrlog();
SOCK_STARTUP;
if ((result = init_agent("collectd-agent")) != 0) {
return -1;
}
if ((result = register_value_handlers()) != 0) {
return -1;
}
if ((result = register_table_handlers()) != 0) {
return -1;
}
if (user_settings.is_master_agent) {
init_vacm_vars();
init_usmUser();
}
init_snmp("collectd-snmpd");
if (user_settings.is_master_agent) {
init_master_agent();
}
return 0;
}
static void init_snmp_subagent(const char *agentx_host, int agentx_port)
{
char agentx_socket[128];
int background = 1; /* change this if you want to run in the background */
int syslog = 0; /* change this if you want to use syslog */
snmp_enable_filelog("/var/log/exa_agentx.log", 1);
snmp_log(LOG_INFO, "exa_agentx configured to connect to %s:%d\n",
agentx_host, agentx_port);
/* we're in an agentx subagent */
netsnmp_ds_set_boolean(NETSNMP_DS_APPLICATION_ID, NETSNMP_DS_AGENT_ROLE, 1);
sprintf(agentx_socket, "tcp:%s:%d", agentx_host, agentx_port);
netsnmp_ds_set_string(NETSNMP_DS_APPLICATION_ID,
NETSNMP_DS_AGENT_X_SOCKET, agentx_socket);
/* run in background, if requested */
if (background && netsnmp_daemonize(1, !syslog))
exit(1);
snmp_log(LOG_INFO, "exa_agentx daemonized\n");
/* initialize tcpip, if necessary */
SOCK_STARTUP;
/* initialize the agent library */
init_agent("exa_agentx");
/* initialize mib code here */
/* mib code: init_nstAgentSubagentObject from nstAgentSubagentObject.C */
/* not necessary to just send TRAPs !! */
/* init_mib_int_watch(); */
/* example-demon will be used to read example-demon.conf files. */
init_snmp("exa_agentx");
/* In case we recevie a request to stop (kill -TERM or kill -INT) */
stop = false;
signal(SIGTERM, stop_server);
signal(SIGINT, stop_server);
snmp_log(LOG_INFO, "exa_agentx is up and running.\n");
}
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);
}
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 */
int
main (int argc, char **argv)
{
int agentx_subagent = AGENT_TRUE;
int c;
int rc = 0;
SaErrorT rv = SA_OK;
SaHpiVersionT hpiVer;
SaHpiSessionIdT sessionid;
pid_t child;
/* for simulator */
struct oh_handler_state *state = NULL;
struct oh_event *event = (struct oh_event *)g_malloc0(sizeof(struct oh_event));
struct oh_event *event2= (struct oh_event *)g_malloc0(sizeof(struct oh_event));
struct oh_event *event3= (struct oh_event *)g_malloc0(sizeof(struct oh_event));
struct oh_event *event4= (struct oh_event *)g_malloc0(sizeof(struct oh_event));
struct oh_event *event5= (struct oh_event *)g_malloc0(sizeof(struct oh_event));
struct oh_event *event6= (struct oh_event *)g_malloc0(sizeof(struct oh_event));
struct oh_event *event7= (struct oh_event *)g_malloc0(sizeof(struct oh_event));
struct oh_event *event8= (struct oh_event *)g_malloc0(sizeof(struct oh_event));
SaErrorT rc1;
char OemString[] = "MY Oem EVENT";
char SWString[] = "MY SW EVENT";
/* 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));
/* store session numbers */
store_session_info(sessionid, SAHPI_UNSPECIFIED_DOMAIN_ID);
/* 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_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_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();
*/
/* Generate Event Here */
DEBUGMSGTL ((AGENT,
"%%%%%%%% Generating simultor event %%%%%%%%\n"));
state = sim_get_handler_by_name("eventGenerator");
if (!state) {
DEBUGMSGTL ((AGENT, "%%%%%%%% Couldn't find handler name %%%%%%%%\n"));
}
else { // build an event
event->did = 1; /* domain id for the event */
event->type = OH_ET_HPI;
event->u.hpi_event.res = sim_rpt_array[0].rpt;
event->u.hpi_event.rdr.RecordId = 0; // Not sure here
event->u.hpi_event.event.Source = sim_rpt_array[0].rpt.ResourceId;
event->u.hpi_event.event.EventType = SAHPI_ET_WATCHDOG;
event->u.hpi_event.event.Timestamp = 0;
event->u.hpi_event.event.Severity = SAHPI_CRITICAL;
event->u.hpi_event.event.EventDataUnion.WatchdogEvent.WatchdogNum = 1;
event->u.hpi_event.event.EventDataUnion.WatchdogEvent.WatchdogAction = SAHPI_WAE_RESET;
event->u.hpi_event.event.EventDataUnion.WatchdogEvent.WatchdogPreTimerAction = SAHPI_WPI_SMI;
event->u.hpi_event.event.EventDataUnion.WatchdogEvent.WatchdogUse = SAHPI_WTU_BIOS_FRB2;
rc1 = sim_inject_event(state, event);
DEBUGMSGTL ((AGENT, "%%%%%%%% Return code from inject 1: %d %%%%%%%%\n", rc1));
event2->did = 1; /* domain id for the event */
event2->type = OH_ET_HPI;
event2->u.hpi_event.res = sim_rpt_array[0].rpt;
event2->u.hpi_event.rdr.RecordId = 0; // Not sure here
event2->u.hpi_event.event.Source = sim_rpt_array[0].rpt.ResourceId;
event2->u.hpi_event.event.EventType = SAHPI_ET_HOTSWAP;
event2->u.hpi_event.event.Timestamp = 0;
event2->u.hpi_event.event.Severity = SAHPI_CRITICAL;
event2->u.hpi_event.event.EventDataUnion.HotSwapEvent.HotSwapState = SAHPI_HS_STATE_INSERTION_PENDING;
event2->u.hpi_event.event.EventDataUnion.HotSwapEvent.PreviousHotSwapState = SAHPI_HS_STATE_NOT_PRESENT;
rc1 = sim_inject_event(state, event2);
DEBUGMSGTL ((AGENT, "%%%%%%%% Return code from inject 2: %d %%%%%%%%\n", rc1));
event3->did = 1; /* domain id for the event */
event3->type = OH_ET_HPI;
event3->u.hpi_event.res = sim_rpt_array[0].rpt;
event3->u.hpi_event.rdr.RecordId = 0; // Not sure here
event3->u.hpi_event.event.Source = sim_rpt_array[0].rpt.ResourceId;
event3->u.hpi_event.event.EventType = SAHPI_ET_SENSOR;
event3->u.hpi_event.event.Timestamp = 0;
event3->u.hpi_event.event.Severity = SAHPI_CRITICAL;
event3->u.hpi_event.event.EventDataUnion.SensorEvent.SensorNum = SAHPI_DEFAGSENS_PWR;
event3->u.hpi_event.event.EventDataUnion.SensorEvent.SensorType = SAHPI_VOLTAGE;
event3->u.hpi_event.event.EventDataUnion.SensorEvent.EventCategory = SAHPI_EC_GENERIC;
event3->u.hpi_event.event.EventDataUnion.SensorEvent.Assertion = 1;
event3->u.hpi_event.event.EventDataUnion.SensorEvent.EventState = SAHPI_ES_STATE_00;
event3->u.hpi_event.event.EventDataUnion.SensorEvent.OptionalDataPresent = SAHPI_SOD_TRIGGER_READING;
event3->u.hpi_event.event.EventDataUnion.SensorEvent.TriggerReading.IsSupported = 1;
event3->u.hpi_event.event.EventDataUnion.SensorEvent.TriggerReading.Type = SAHPI_SENSOR_READING_TYPE_UINT64;
event3->u.hpi_event.event.EventDataUnion.SensorEvent.TriggerReading.Value.SensorUint64 = 0xFEEEEEEEEEEEEEED;
rc1 = sim_inject_event(state, event3);
DEBUGMSGTL ((AGENT, "%%%%%%%% Return code from inject 3: %d %%%%%%%%\n", rc1));
event4->did = 1; /* domain id for the event */
event4->type = OH_ET_HPI;
event4->u.hpi_event.res = sim_rpt_array[0].rpt;
event4->u.hpi_event.rdr.RecordId = 0; // Not sure here
event4->u.hpi_event.event.Source = sim_rpt_array[0].rpt.ResourceId;
event4->u.hpi_event.event.EventType = SAHPI_ET_OEM;
event4->u.hpi_event.event.Timestamp = 0;
event4->u.hpi_event.event.Severity = SAHPI_CRITICAL;
event4->u.hpi_event.event.EventDataUnion.OemEvent.MId = SAHPI_MANUFACTURER_ID_UNSPECIFIED;
event4->u.hpi_event.event.EventDataUnion.OemEvent.OemEventData.DataType = SAHPI_TL_TYPE_BCDPLUS;
event4->u.hpi_event.event.EventDataUnion.OemEvent.OemEventData.Language = SAHPI_LANG_ENGLISH;
event4->u.hpi_event.event.EventDataUnion.OemEvent.OemEventData.DataLength = 12;
memcpy(event4->u.hpi_event.event.EventDataUnion.OemEvent.OemEventData.Data, &OemString[0],
event4->u.hpi_event.event.EventDataUnion.OemEvent.OemEventData.DataLength);
rc1 = sim_inject_event(state, event4);
DEBUGMSGTL ((AGENT, "%%%%%%%% Return code from inject 4: %d %%%%%%%%\n", rc1));
event5->did = 1; /* domain id for the event */
event5->type = OH_ET_HPI;
event5->u.hpi_event.res = sim_rpt_array[0].rpt;
event5->u.hpi_event.rdr.RecordId = 0; // Not sure here
event5->u.hpi_event.event.Source = sim_rpt_array[0].rpt.ResourceId;
event5->u.hpi_event.event.EventType = SAHPI_ET_HPI_SW;
event5->u.hpi_event.event.Timestamp = 0;
event5->u.hpi_event.event.Severity = SAHPI_CRITICAL;
event5->u.hpi_event.event.EventDataUnion.HpiSwEvent.MId = SAHPI_MANUFACTURER_ID_UNSPECIFIED;
event5->u.hpi_event.event.EventDataUnion.HpiSwEvent.Type = SAHPI_HPIE_STARTUP;
event5->u.hpi_event.event.EventDataUnion.HpiSwEvent.EventData.DataType = SAHPI_TL_TYPE_TEXT;
event5->u.hpi_event.event.EventDataUnion.HpiSwEvent.EventData.Language = SAHPI_LANG_ENGLISH;
event5->u.hpi_event.event.EventDataUnion.HpiSwEvent.EventData.DataLength = 11;
memcpy(event5->u.hpi_event.event.EventDataUnion.HpiSwEvent.EventData.Data, &SWString[0],
event5->u.hpi_event.event.EventDataUnion.HpiSwEvent.EventData.DataLength);
rc1 = sim_inject_event(state, event5);
DEBUGMSGTL ((AGENT, "%%%%%%%% Return code from inject 5: %d %%%%%%%%\n", rc1));
event6->did = 1; /* domain id for the event */
event6->type = OH_ET_HPI;
event6->u.hpi_event.res = sim_rpt_array[0].rpt;
event6->u.hpi_event.rdr.RecordId = 0; // Not sure here
event6->u.hpi_event.event.Source = sim_rpt_array[0].rpt.ResourceId;
event6->u.hpi_event.event.EventType = SAHPI_ET_SENSOR_ENABLE_CHANGE;
event6->u.hpi_event.event.Timestamp = 0;
event6->u.hpi_event.event.Severity = SAHPI_CRITICAL;
event6->u.hpi_event.event.EventDataUnion.SensorEnableChangeEvent.SensorNum = SAHPI_DEFAGSENS_PWR;
event6->u.hpi_event.event.EventDataUnion.SensorEnableChangeEvent.SensorType = SAHPI_VOLTAGE;
event6->u.hpi_event.event.EventDataUnion.SensorEnableChangeEvent.EventCategory = SAHPI_EC_GENERIC;
event6->u.hpi_event.event.EventDataUnion.SensorEnableChangeEvent.SensorEnable = 1;
event6->u.hpi_event.event.EventDataUnion.SensorEnableChangeEvent.SensorEventEnable = 1;
event6->u.hpi_event.event.EventDataUnion.SensorEnableChangeEvent.AssertEventMask = SAHPI_ES_STATE_ASSERTED;
event6->u.hpi_event.event.EventDataUnion.SensorEnableChangeEvent.DeassertEventMask = SAHPI_ES_STATE_DEASSERTED;
event6->u.hpi_event.event.EventDataUnion.SensorEnableChangeEvent.OptionalDataPresent = SAHPI_SEOD_CURRENT_STATE;
event6->u.hpi_event.event.EventDataUnion.SensorEnableChangeEvent.CurrentState = SAHPI_ES_LIMIT_EXCEEDED;
rc1 = sim_inject_event(state, event6);
DEBUGMSGTL ((AGENT, "%%%%%%%% Return code from inject 6: %d %%%%%%%%\n", rc1));
event7->did = 1; /* domain id for the event */
event7->type = OH_ET_HPI;
event7->u.hpi_event.res = sim_rpt_array[0].rpt;
event7->u.hpi_event.rdr.RecordId = 0; // Not sure here
event7->u.hpi_event.event.Source = sim_rpt_array[0].rpt.ResourceId;
event7->u.hpi_event.event.EventType = SAHPI_ET_DOMAIN;
event7->u.hpi_event.event.Timestamp = 0;
event7->u.hpi_event.event.Severity = SAHPI_CRITICAL;
event7->u.hpi_event.event.EventDataUnion.DomainEvent.Type = SAHPI_DOMAIN_REF_ADDED;
event7->u.hpi_event.event.EventDataUnion.DomainEvent.DomainId = SAHPI_UNSPECIFIED_DOMAIN_ID;
rc1 = sim_inject_event(state, event7);
DEBUGMSGTL ((AGENT, "%%%%%%%% Return code from inject 7: %d %%%%%%%%\n", rc1));
event8->did = 1; /* domain id for the event */
event8->type = OH_ET_HPI;
event8->u.hpi_event.res = sim_rpt_array[0].rpt;
event8->u.hpi_event.rdr.RecordId = 0; // Not sure here
event8->u.hpi_event.event.Source = sim_rpt_array[0].rpt.ResourceId;
event8->u.hpi_event.event.EventType = SAHPI_ET_RESOURCE;
event8->u.hpi_event.event.Timestamp = 0;
event8->u.hpi_event.event.Severity = SAHPI_CRITICAL;
event8->u.hpi_event.event.EventDataUnion.ResourceEvent.ResourceEventType = SAHPI_RESE_RESOURCE_FAILURE;
rc1 = sim_inject_event(state, event8);
DEBUGMSGTL ((AGENT, "%%%%%%%% Return code from inject 8: %d %%%%%%%%\n", rc1));
}
/* 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); /* 0 == don't block */
}
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;
}
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 */
/* ---------------------------------------------------------------------
*
* Common master and sub-agent
*/
void
agentx_parse_agentx_socket(const char *token, char *cptr)
{
DEBUGMSGTL(("agentx/config", "port spec: %s\n", cptr));
netsnmp_ds_set_string(NETSNMP_DS_APPLICATION_ID, NETSNMP_DS_AGENT_X_SOCKET, cptr);
}
int
netsnmp_parse_args(int argc,
char **argv,
netsnmp_session * session, const char *localOpts,
void (*proc) (int, char *const *, int),
int flags)
{
static char *sensitive[4] = { NULL, NULL, NULL, NULL };
int arg, sp = 0, testcase = 0;
char *cp;
char *Apsz = NULL;
char *Xpsz = NULL;
char *Cpsz = NULL;
char Opts[BUF_SIZE];
int zero_sensitive = !( flags & NETSNMP_PARSE_ARGS_NOZERO );
char *backup_NETSNMP_DS_LIB_OUTPUT_PRECISION = NULL;
/*
* initialize session to default values
*/
snmp_sess_init(session);
strcpy(Opts, "Y:VhHm:M:O:I:P:D:dv:r:t:c:Z:e:E:n:u:l:x:X:a:A:p:T:-:3:s:S:L:");
if (localOpts) {
if (strlen(localOpts) + strlen(Opts) >= sizeof(Opts)) {
snmp_log(LOG_ERR, "Too many localOpts in snmp_parse_args()\n");
return -1;
}
strcat(Opts, localOpts);
}
/*
* get the options
*/
DEBUGMSGTL(("snmp_parse_args", "starting: %d/%d\n", optind, argc));
for (arg = 0; arg < argc; arg++) {
DEBUGMSGTL(("snmp_parse_args", " arg %d = %s\n", arg, argv[arg]));
}
optind = 1;
while ((arg = getopt(argc, argv, Opts)) != EOF) {
DEBUGMSGTL(("snmp_parse_args", "handling (#%d): %c\n", optind, arg));
switch (arg) {
case '-':
if (strcasecmp(optarg, "help") == 0) {
return (NETSNMP_PARSE_ARGS_ERROR_USAGE);
}
if (strcasecmp(optarg, "version") == 0) {
fprintf(stderr,"NET-SNMP version: %s\n",netsnmp_get_version());
return (NETSNMP_PARSE_ARGS_SUCCESS_EXIT);
}
handle_long_opt(optarg);
break;
case 'V':
fprintf(stderr, "NET-SNMP version: %s\n", netsnmp_get_version());
return (NETSNMP_PARSE_ARGS_SUCCESS_EXIT);
case 'h':
return (NETSNMP_PARSE_ARGS_ERROR_USAGE);
break;
case 'H':
init_snmp("snmpapp");
fprintf(stderr, "Configuration directives understood:\n");
read_config_print_usage(" ");
return (NETSNMP_PARSE_ARGS_SUCCESS_EXIT);
case 'Y':
netsnmp_config_remember(optarg);
break;
#ifndef NETSNMP_DISABLE_MIB_LOADING
case 'm':
setenv("MIBS", optarg, 1);
break;
case 'M':
netsnmp_get_mib_directory(); /* prepare the default directories */
netsnmp_set_mib_directory(optarg);
break;
#endif /* NETSNMP_DISABLE_MIB_LOADING */
case 'O':
cp = snmp_out_options(optarg, argc, argv);
if (cp != NULL) {
fprintf(stderr, "Unknown output option passed to -O: %c.\n",
*cp);
return (NETSNMP_PARSE_ARGS_ERROR_USAGE);
}
break;
case 'I':
cp = snmp_in_options(optarg, argc, argv);
if (cp != NULL) {
fprintf(stderr, "Unknown input option passed to -I: %c.\n",
*cp);
return (NETSNMP_PARSE_ARGS_ERROR_USAGE);
}
break;
#ifndef NETSNMP_DISABLE_MIB_LOADING
case 'P':
cp = snmp_mib_toggle_options(optarg);
if (cp != NULL) {
fprintf(stderr,
"Unknown parsing option passed to -P: %c.\n", *cp);
return (NETSNMP_PARSE_ARGS_ERROR_USAGE);
}
break;
#endif /* NETSNMP_DISABLE_MIB_LOADING */
case 'D':
debug_register_tokens(optarg);
snmp_set_do_debugging(1);
break;
case 'd':
netsnmp_ds_set_boolean(NETSNMP_DS_LIBRARY_ID,
NETSNMP_DS_LIB_DUMP_PACKET, 1);
break;
case 'v':
session->version = -1;
#ifndef NETSNMP_DISABLE_SNMPV1
if (!strcmp(optarg, "1")) {
session->version = SNMP_VERSION_1;
}
#endif
#ifndef NETSNMP_DISABLE_SNMPV2C
if (!strcasecmp(optarg, "2c")) {
session->version = SNMP_VERSION_2c;
}
#endif
if (!strcasecmp(optarg, "3")) {
session->version = SNMP_VERSION_3;
}
if (session->version == -1) {
fprintf(stderr,
"Invalid version specified after -v flag: %s\n",
optarg);
return (NETSNMP_PARSE_ARGS_ERROR_USAGE);
}
break;
case 'p':
fprintf(stderr, "Warning: -p option is no longer used - ");
fprintf(stderr, "specify the remote host as HOST:PORT\n");
return (NETSNMP_PARSE_ARGS_ERROR_USAGE);
break;
case 'T':
{
char leftside[SNMP_MAXBUF_MEDIUM], rightside[SNMP_MAXBUF_MEDIUM];
char *tmpcp, *tmpopt;
/* ensure we have a proper argument */
tmpopt = strdup(optarg);
tmpcp = strchr(tmpopt, '=');
if (!tmpcp) {
fprintf(stderr, "-T expects a NAME=VALUE pair.\n");
return (NETSNMP_PARSE_ARGS_ERROR_USAGE);
}
*tmpcp++ = '\0';
/* create the transport config container if this is the first */
if (!session->transport_configuration) {
netsnmp_container_init_list();
session->transport_configuration =
netsnmp_container_find("transport_configuration:fifo");
if (!session->transport_configuration) {
fprintf(stderr, "failed to initialize the transport configuration container\n");
free(tmpopt);
return (NETSNMP_PARSE_ARGS_ERROR);
}
session->transport_configuration->compare =
(netsnmp_container_compare*)
netsnmp_transport_config_compare;
}
/* set the config */
strlcpy(leftside, tmpopt, sizeof(leftside));
strlcpy(rightside, tmpcp, sizeof(rightside));
CONTAINER_INSERT(session->transport_configuration,
netsnmp_transport_create_config(leftside,
rightside));
free(tmpopt);
}
break;
case 't':
session->timeout = (long)(atof(optarg) * 1000000L);
if (session->timeout <= 0) {
fprintf(stderr, "Invalid timeout in seconds after -t flag.\n");
return (NETSNMP_PARSE_ARGS_ERROR_USAGE);
}
break;
case 'r':
session->retries = atoi(optarg);
if (session->retries < 0 || !isdigit((unsigned char)(optarg[0]))) {
fprintf(stderr, "Invalid number of retries after -r flag.\n");
return (NETSNMP_PARSE_ARGS_ERROR_USAGE);
}
break;
case 'c':
if (zero_sensitive) {
if ((sensitive[sp] = strdup(optarg)) != NULL) {
Cpsz = sensitive[sp];
memset(optarg, '\0', strlen(optarg));
sp++;
} else {
fprintf(stderr, "malloc failure processing -c flag.\n");
return NETSNMP_PARSE_ARGS_ERROR;
}
} else {
Cpsz = optarg;
}
break;
case '3':
/* TODO: This needs to zero things too. */
if (snmpv3_options(optarg, session, &Apsz, &Xpsz, argc, argv) < 0){
return (NETSNMP_PARSE_ARGS_ERROR_USAGE);
}
break;
case 'L':
if (snmp_log_options(optarg, argc, argv) < 0) {
return (NETSNMP_PARSE_ARGS_ERROR_USAGE);
}
break;
#define SNMPV3_CMD_OPTIONS
#ifdef SNMPV3_CMD_OPTIONS
case 'Z':
errno = 0;
session->engineBoots = strtoul(optarg, &cp, 10);
if (errno || cp == optarg) {
fprintf(stderr, "Need engine boots value after -Z flag.\n");
return (NETSNMP_PARSE_ARGS_ERROR_USAGE);
}
if (*cp == ',') {
char *endptr;
cp++;
session->engineTime = strtoul(cp, &endptr, 10);
if (errno || cp == endptr) {
fprintf(stderr, "Need engine time after \"-Z engineBoot,\".\n");
return (NETSNMP_PARSE_ARGS_ERROR_USAGE);
}
}
/*
* Handle previous '-Z boot time' syntax
*/
else if (optind < argc) {
session->engineTime = strtoul(argv[optind], &cp, 10);
if (errno || cp == argv[optind]) {
fprintf(stderr, "Need engine time after \"-Z engineBoot\".\n");
return (NETSNMP_PARSE_ARGS_ERROR_USAGE);
}
} else {
fprintf(stderr, "Need engine time after \"-Z engineBoot\".\n");
return (NETSNMP_PARSE_ARGS_ERROR_USAGE);
}
break;
case 'e':{
size_t ebuf_len = 32, eout_len = 0;
u_char *ebuf = (u_char *)malloc(ebuf_len);
if (ebuf == NULL) {
fprintf(stderr, "malloc failure processing -e flag.\n");
return (NETSNMP_PARSE_ARGS_ERROR);
}
if (!snmp_hex_to_binary
(&ebuf, &ebuf_len, &eout_len, 1, optarg)) {
fprintf(stderr, "Bad engine ID value after -e flag.\n");
free(ebuf);
return (NETSNMP_PARSE_ARGS_ERROR_USAGE);
}
if ((eout_len < 5) || (eout_len > 32)) {
fprintf(stderr, "Invalid engine ID value after -e flag.\n");
free(ebuf);
return (NETSNMP_PARSE_ARGS_ERROR_USAGE);
}
session->securityEngineID = ebuf;
session->securityEngineIDLen = eout_len;
break;
}
case 'E':{
size_t ebuf_len = 32, eout_len = 0;
u_char *ebuf = (u_char *)malloc(ebuf_len);
if (ebuf == NULL) {
fprintf(stderr, "malloc failure processing -E flag.\n");
return (NETSNMP_PARSE_ARGS_ERROR);
}
if (!snmp_hex_to_binary(&ebuf, &ebuf_len,
&eout_len, 1, optarg)) {
fprintf(stderr, "Bad engine ID value after -E flag.\n");
free(ebuf);
return (NETSNMP_PARSE_ARGS_ERROR_USAGE);
}
if ((eout_len < 5) || (eout_len > 32)) {
fprintf(stderr, "Invalid engine ID value after -E flag.\n");
free(ebuf);
return (NETSNMP_PARSE_ARGS_ERROR_USAGE);
}
session->contextEngineID = ebuf;
session->contextEngineIDLen = eout_len;
break;
}
case 'n':
session->contextName = optarg;
session->contextNameLen = strlen(optarg);
break;
case 'u':
if (zero_sensitive) {
if ((sensitive[sp] = strdup(optarg)) != NULL) {
session->securityName = sensitive[sp];
session->securityNameLen = strlen(sensitive[sp]);
memset(optarg, '\0', strlen(optarg));
sp++;
} else {
fprintf(stderr, "malloc failure processing -u flag.\n");
return NETSNMP_PARSE_ARGS_ERROR;
}
} else {
session->securityName = optarg;
session->securityNameLen = strlen(optarg);
}
break;
case 'l':
if (!strcasecmp(optarg, "noAuthNoPriv") || !strcmp(optarg, "1")
|| !strcasecmp(optarg, "noauth")
|| !strcasecmp(optarg, "nanp")) {
session->securityLevel = SNMP_SEC_LEVEL_NOAUTH;
} else if (!strcasecmp(optarg, "authNoPriv")
|| !strcmp(optarg, "2")
|| !strcasecmp(optarg, "auth")
|| !strcasecmp(optarg, "anp")) {
session->securityLevel = SNMP_SEC_LEVEL_AUTHNOPRIV;
} else if (!strcasecmp(optarg, "authPriv")
|| !strcmp(optarg, "3")
|| !strcasecmp(optarg, "priv")
|| !strcasecmp(optarg, "ap")) {
session->securityLevel = SNMP_SEC_LEVEL_AUTHPRIV;
} else {
fprintf(stderr,
"Invalid security level specified after -l flag: %s\n",
optarg);
return (NETSNMP_PARSE_ARGS_ERROR_USAGE);
}
break;
#ifdef NETSNMP_SECMOD_USM
case 'a':
#ifndef NETSNMP_DISABLE_MD5
if (!strcasecmp(optarg, "MD5")) {
session->securityAuthProto = usmHMACMD5AuthProtocol;
session->securityAuthProtoLen = USM_AUTH_PROTO_MD5_LEN;
} else
#endif
if (!strcasecmp(optarg, "SHA")) {
session->securityAuthProto = usmHMACSHA1AuthProtocol;
session->securityAuthProtoLen = USM_AUTH_PROTO_SHA_LEN;
} else {
fprintf(stderr,
"Invalid authentication protocol specified after -a flag: %s\n",
optarg);
return (NETSNMP_PARSE_ARGS_ERROR_USAGE);
}
break;
case 'x':
testcase = 0;
#ifndef NETSNMP_DISABLE_DES
if (!strcasecmp(optarg, "DES")) {
testcase = 1;
session->securityPrivProto = usmDESPrivProtocol;
session->securityPrivProtoLen = USM_PRIV_PROTO_DES_LEN;
}
#endif
#ifdef HAVE_AES
if (!strcasecmp(optarg, "AES128") ||
!strcasecmp(optarg, "AES")) {
testcase = 1;
session->securityPrivProto = usmAESPrivProtocol;
session->securityPrivProtoLen = USM_PRIV_PROTO_AES_LEN;
}
#endif
if (testcase == 0) {
fprintf(stderr,
"Invalid privacy protocol specified after -x flag: %s\n",
optarg);
return (NETSNMP_PARSE_ARGS_ERROR_USAGE);
}
break;
case 'A':
if (zero_sensitive) {
if ((sensitive[sp] = strdup(optarg)) != NULL) {
Apsz = sensitive[sp];
memset(optarg, '\0', strlen(optarg));
sp++;
} else {
fprintf(stderr, "malloc failure processing -A flag.\n");
return NETSNMP_PARSE_ARGS_ERROR;
}
} else {
Apsz = optarg;
}
break;
case 'X':
if (zero_sensitive) {
if ((sensitive[sp] = strdup(optarg)) != NULL) {
Xpsz = sensitive[sp];
memset(optarg, '\0', strlen(optarg));
sp++;
} else {
fprintf(stderr, "malloc failure processing -X flag.\n");
return NETSNMP_PARSE_ARGS_ERROR;
}
} else {
Xpsz = optarg;
}
break;
#endif /* SNMPV3_CMD_OPTIONS */
#endif /* NETSNMP_SECMOD_USM */
case '?':
return (NETSNMP_PARSE_ARGS_ERROR_USAGE);
break;
default:
proc(argc, argv, arg);
break;
}
}
DEBUGMSGTL(("snmp_parse_args", "finished: %d/%d\n", optind, argc));
/*
* save command line parameters which should have precedence above config file settings
* (There ought to be a more scalable approach than this....)
*/
if (netsnmp_ds_get_string(NETSNMP_DS_LIBRARY_ID, NETSNMP_DS_LIB_OUTPUT_PRECISION)) {
backup_NETSNMP_DS_LIB_OUTPUT_PRECISION =
strdup(netsnmp_ds_get_string(NETSNMP_DS_LIBRARY_ID, NETSNMP_DS_LIB_OUTPUT_PRECISION));
}
/*
* read in MIB database and initialize the snmp library, read the config file
*/
init_snmp("snmpapp");
/*
* restore command line parameters which should have precedence above config file settings
*/
if(backup_NETSNMP_DS_LIB_OUTPUT_PRECISION) {
netsnmp_ds_set_string(NETSNMP_DS_LIBRARY_ID, NETSNMP_DS_LIB_OUTPUT_PRECISION, backup_NETSNMP_DS_LIB_OUTPUT_PRECISION);
free(backup_NETSNMP_DS_LIB_OUTPUT_PRECISION);
}
/*
* session default version
*/
if (session->version == SNMP_DEFAULT_VERSION) {
/*
* run time default version
*/
session->version = netsnmp_ds_get_int(NETSNMP_DS_LIBRARY_ID,
NETSNMP_DS_LIB_SNMPVERSION);
/*
* compile time default version
*/
if (!session->version) {
switch (NETSNMP_DEFAULT_SNMP_VERSION) {
#ifndef NETSNMP_DISABLE_SNMPV1
case 1:
session->version = SNMP_VERSION_1;
break;
#endif
#ifndef NETSNMP_DISABLE_SNMPV2C
case 2:
session->version = SNMP_VERSION_2c;
break;
#endif
case 3:
session->version = SNMP_VERSION_3;
break;
default:
snmp_log(LOG_ERR, "Can't determine a valid SNMP version for the session\n");
return(NETSNMP_PARSE_ARGS_ERROR);
}
} else {
#ifndef NETSNMP_DISABLE_SNMPV1
if (session->version == NETSNMP_DS_SNMP_VERSION_1) /* bogus value. version 1 actually = 0 */
session->version = SNMP_VERSION_1;
#endif
}
}
#ifdef NETSNMP_SECMOD_USM
/* XXX: this should ideally be moved to snmpusm.c somehow */
/*
* make master key from pass phrases
*/
if (Apsz) {
session->securityAuthKeyLen = USM_AUTH_KU_LEN;
if (session->securityAuthProto == NULL) {
/*
* get .conf set default
*/
const oid *def =
get_default_authtype(&session->securityAuthProtoLen);
session->securityAuthProto =
snmp_duplicate_objid(def, session->securityAuthProtoLen);
}
if (session->securityAuthProto == NULL) {
#ifndef NETSNMP_DISABLE_MD5
/*
* assume MD5
*/
session->securityAuthProto =
snmp_duplicate_objid(usmHMACMD5AuthProtocol,
USM_AUTH_PROTO_MD5_LEN);
session->securityAuthProtoLen = USM_AUTH_PROTO_MD5_LEN;
#else
session->securityAuthProto =
snmp_duplicate_objid(usmHMACSHA1AuthProtocol,
USM_AUTH_PROTO_SHA_LEN);
session->securityAuthProtoLen = USM_AUTH_PROTO_SHA_LEN;
#endif
}
if (generate_Ku(session->securityAuthProto,
session->securityAuthProtoLen,
(u_char *) Apsz, strlen(Apsz),
session->securityAuthKey,
&session->securityAuthKeyLen) != SNMPERR_SUCCESS) {
snmp_perror(argv[0]);
fprintf(stderr,
"Error generating a key (Ku) from the supplied authentication pass phrase. \n");
return (NETSNMP_PARSE_ARGS_ERROR);
}
}
if (Xpsz) {
session->securityPrivKeyLen = USM_PRIV_KU_LEN;
if (session->securityPrivProto == NULL) {
/*
* get .conf set default
*/
const oid *def =
get_default_privtype(&session->securityPrivProtoLen);
session->securityPrivProto =
snmp_duplicate_objid(def, session->securityPrivProtoLen);
}
if (session->securityPrivProto == NULL) {
/*
* assume DES
*/
#ifndef NETSNMP_DISABLE_DES
session->securityPrivProto =
snmp_duplicate_objid(usmDESPrivProtocol,
USM_PRIV_PROTO_DES_LEN);
session->securityPrivProtoLen = USM_PRIV_PROTO_DES_LEN;
#else
session->securityPrivProto =
snmp_duplicate_objid(usmAESPrivProtocol,
USM_PRIV_PROTO_AES_LEN);
session->securityPrivProtoLen = USM_PRIV_PROTO_AES_LEN;
#endif
}
if (generate_Ku(session->securityAuthProto,
session->securityAuthProtoLen,
(u_char *) Xpsz, strlen(Xpsz),
session->securityPrivKey,
&session->securityPrivKeyLen) != SNMPERR_SUCCESS) {
snmp_perror(argv[0]);
fprintf(stderr,
"Error generating a key (Ku) from the supplied privacy pass phrase. \n");
return (NETSNMP_PARSE_ARGS_ERROR);
}
}
#endif /* NETSNMP_SECMOD_USM */
/*
* get the hostname
*/
if (optind == argc) {
fprintf(stderr, "No hostname specified.\n");
return (NETSNMP_PARSE_ARGS_ERROR_USAGE);
}
session->peername = argv[optind++]; /* hostname */
#if !defined(NETSNMP_DISABLE_SNMPV1) || !defined(NETSNMP_DISABLE_SNMPV2C)
/*
* If v1 or v2c, check community has been set, either by a -c option above,
* or via a default token somewhere.
* If neither, it will be taken from the incoming request PDU.
*/
#if defined(NETSNMP_DISABLE_SNMPV1)
if (session->version == SNMP_VERSION_2c)
#else
#if defined(NETSNMP_DISABLE_SNMPV2C)
if (session->version == SNMP_VERSION_1)
#else
if (session->version == SNMP_VERSION_1 ||
session->version == SNMP_VERSION_2c)
#endif
#endif
{
if (Cpsz == NULL) {
Cpsz = netsnmp_ds_get_string(NETSNMP_DS_LIBRARY_ID,
NETSNMP_DS_LIB_COMMUNITY);
if (Cpsz == NULL) {
if (netsnmp_ds_get_boolean(NETSNMP_DS_LIBRARY_ID,
NETSNMP_DS_LIB_IGNORE_NO_COMMUNITY)){
DEBUGMSGTL(("snmp_parse_args",
"ignoring that the community string is not present\n"));
session->community = NULL;
session->community_len = 0;
} else {
fprintf(stderr, "No community name specified.\n");
return (NETSNMP_PARSE_ARGS_ERROR_USAGE);
}
}
} else {
session->community = (unsigned char *)Cpsz;
session->community_len = strlen(Cpsz);
}
}
#endif /* support for community based SNMP */
return optind;
}
main(int argc, char *argv[])
#endif
{
char options[128] = "aAc:CdD::fhHI:l:LP:qrsS:UvV-:";
int arg, i, ret;
int dont_fork = 0;
int dont_zero_log = 0;
int stderr_log = 0, syslog_log = 0;
int uid = 0, gid = 0;
int agent_mode = -1;
char logfile[PATH_MAX + 1] = { 0 };
char *cptr, **argvptr;
char *pid_file = NULL;
#if HAVE_GETPID
int fd;
FILE *PID;
#endif
#ifdef LOGFILE
strncpy(logfile, LOGFILE, PATH_MAX);
#endif
#ifdef NO_ROOT_ACCESS
/*
* Default to no.
*/
netsnmp_ds_set_boolean(NETSNMP_DS_APPLICATION_ID,
NETSNMP_DS_AGENT_NO_ROOT_ACCESS, 1);
#endif
/*
* Default to NOT running an AgentX master.
*/
netsnmp_ds_set_boolean(NETSNMP_DS_APPLICATION_ID,
NETSNMP_DS_AGENT_AGENTX_MASTER, 0);
netsnmp_ds_set_int(NETSNMP_DS_APPLICATION_ID,
NETSNMP_DS_AGENT_AGENTX_TIMEOUT, -1);
netsnmp_ds_set_int(NETSNMP_DS_APPLICATION_ID,
NETSNMP_DS_AGENT_AGENTX_RETRIES, -1);
/*
* Add some options if they are available.
*/
#if HAVE_UNISTD_H
strcat(options, "g:u:");
#endif
#if defined(USING_AGENTX_SUBAGENT_MODULE)|| defined(USING_AGENTX_MASTER_MODULE)
strcat(options, "x:");
#endif
#ifdef USING_AGENTX_SUBAGENT_MODULE
strcat(options, "X");
#endif
/*
* Now process options normally.
*/
while ((arg = getopt(argc, argv, options)) != EOF) {
switch (arg) {
case '-':
if (strcasecmp(optarg, "help") == 0) {
usage(argv[0]);
}
if (strcasecmp(optarg, "version") == 0) {
version();
}
handle_long_opt(optarg);
break;
case 'a':
log_addresses++;
break;
case 'A':
dont_zero_log = 1;
break;
case 'c':
if (optarg != NULL) {
netsnmp_ds_set_string(NETSNMP_DS_LIBRARY_ID,
NETSNMP_DS_LIB_OPTIONALCONFIG, optarg);
} else {
usage(argv[0]);
}
break;
case 'C':
netsnmp_ds_set_boolean(NETSNMP_DS_LIBRARY_ID,
NETSNMP_DS_LIB_DONT_READ_CONFIGS, 1);
break;
case 'd':
snmp_set_dump_packet(++snmp_dump_packet);
netsnmp_ds_set_boolean(NETSNMP_DS_APPLICATION_ID,
NETSNMP_DS_AGENT_VERBOSE, 1);
break;
case 'D':
debug_register_tokens(optarg);
snmp_set_do_debugging(1);
break;
case 'f':
dont_fork = 1;
break;
#if HAVE_UNISTD_H
case 'g':
if (optarg != NULL) {
netsnmp_ds_set_int(NETSNMP_DS_APPLICATION_ID,
NETSNMP_DS_AGENT_GROUPID, atoi(optarg));
} else {
usage(argv[0]);
}
break;
#endif
case 'h':
usage(argv[0]);
break;
case 'H':
netsnmp_ds_set_boolean(NETSNMP_DS_APPLICATION_ID,
NETSNMP_DS_AGENT_NO_ROOT_ACCESS, 1);
init_agent("snmpd"); /* register our .conf handlers */
init_mib_modules();
init_snmp("snmpd");
fprintf(stderr, "Configuration directives understood:\n");
read_config_print_usage(" ");
exit(0);
case 'I':
if (optarg != NULL) {
add_to_init_list(optarg);
} else {
usage(argv[0]);
}
break;
case 'l':
if (optarg != NULL) {
if (strlen(optarg) > PATH_MAX) {
fprintf(stderr,
"%s: logfile path too long (limit %d chars)\n",
argv[0], PATH_MAX);
exit(1);
}
strncpy(logfile, optarg, PATH_MAX);
} else {
usage(argv[0]);
}
break;
case 'L':
stderr_log = 1;
break;
case 'P':
if (optarg != NULL) {
pid_file = optarg;
} else {
usage(argv[0]);
}
break;
case 'q':
snmp_set_quick_print(1);
break;
case 'r':
netsnmp_ds_toggle_boolean(NETSNMP_DS_APPLICATION_ID,
NETSNMP_DS_AGENT_NO_ROOT_ACCESS);
break;
case 's':
syslog_log = 1;
break;
case 'S':
if (optarg != NULL) {
switch (*optarg) {
case 'd':
case 'D':
Facility = LOG_DAEMON;
break;
case 'i':
case 'I':
Facility = LOG_INFO;
break;
case '0':
Facility = LOG_LOCAL0;
break;
case '1':
Facility = LOG_LOCAL1;
break;
case '2':
Facility = LOG_LOCAL2;
break;
case '3':
Facility = LOG_LOCAL3;
break;
case '4':
Facility = LOG_LOCAL4;
break;
case '5':
Facility = LOG_LOCAL5;
break;
case '6':
Facility = LOG_LOCAL6;
break;
case '7':
Facility = LOG_LOCAL7;
break;
default:
fprintf(stderr, "invalid syslog facility: -S%c\n",*optarg);
usage(argv[0]);
}
} else {
fprintf(stderr, "no syslog facility specified\n");
usage(argv[0]);
}
break;
case 'U':
netsnmp_ds_toggle_boolean(NETSNMP_DS_APPLICATION_ID,
NETSNMP_DS_AGENT_LEAVE_PIDFILE);
break;
#if HAVE_UNISTD_H
case 'u':
if (optarg != NULL) {
char *ecp;
int uid;
uid = strtoul(optarg, &ecp, 10);
if (*ecp) {
#if HAVE_GETPWNAM && HAVE_PWD_H
struct passwd *info;
info = getpwnam(optarg);
if (info) {
uid = info->pw_uid;
} else {
#endif
fprintf(stderr, "Bad user id: %s\n", optarg);
exit(1);
#if HAVE_GETPWNAM && HAVE_PWD_H
}
#endif
}
netsnmp_ds_set_int(NETSNMP_DS_APPLICATION_ID,
NETSNMP_DS_AGENT_USERID, uid);
} else {
usage(argv[0]);
}
break;
#endif
case 'v':
version();
case 'V':
netsnmp_ds_set_boolean(NETSNMP_DS_APPLICATION_ID,
NETSNMP_DS_AGENT_VERBOSE, 1);
break;
#if defined(USING_AGENTX_SUBAGENT_MODULE)|| defined(USING_AGENTX_MASTER_MODULE)
case 'x':
if (optarg != NULL) {
netsnmp_ds_set_string(NETSNMP_DS_APPLICATION_ID,
NETSNMP_DS_AGENT_X_SOCKET, optarg);
} else {
usage(argv[0]);
}
netsnmp_ds_set_boolean(NETSNMP_DS_APPLICATION_ID,
NETSNMP_DS_AGENT_AGENTX_MASTER, 1);
break;
#endif
case 'X':
#if defined(USING_AGENTX_SUBAGENT_MODULE)
agent_mode = SUB_AGENT;
#else
fprintf(stderr, "%s: Illegal argument -X:"
"AgentX support not compiled in.\n", argv[0]);
usage(argv[0]);
exit(1);
#endif
break;
default:
usage(argv[0]);
break;
}
}
if (optind < argc) {
/*
* There are optional transport addresses on the command line.
*/
DEBUGMSGTL(("snmpd/main", "optind %d, argc %d\n", optind, argc));
for (i = optind; i < argc; i++) {
char *c, *astring;
if ((c = netsnmp_ds_get_string(NETSNMP_DS_APPLICATION_ID,
NETSNMP_DS_AGENT_PORTS))) {
astring = malloc(strlen(c) + 2 + strlen(argv[i]));
if (astring == NULL) {
fprintf(stderr, "malloc failure processing argv[%d]\n", i);
exit(1);
}
sprintf(astring, "%s,%s", c, argv[i]);
netsnmp_ds_set_string(NETSNMP_DS_APPLICATION_ID,
NETSNMP_DS_AGENT_PORTS, astring);
free(astring);
} else {
netsnmp_ds_set_string(NETSNMP_DS_APPLICATION_ID,
NETSNMP_DS_AGENT_PORTS, argv[i]);
}
}
DEBUGMSGTL(("snmpd/main", "port spec: %s\n",
netsnmp_ds_get_string(NETSNMP_DS_APPLICATION_ID,
NETSNMP_DS_AGENT_PORTS)));
}
setup_log(0, dont_zero_log, stderr_log, syslog_log, logfile);
/*
* Initialize a argv set to the current for restarting the agent.
*/
argvrestartp = (char **)malloc((argc + 2) * sizeof(char *));
argvptr = argvrestartp;
for (i = 0, ret = 1; i < argc; i++) {
ret += strlen(argv[i]) + 1;
}
argvrestart = (char *) malloc(ret);
argvrestartname = (char *) malloc(strlen(argv[0]) + 1);
if (!argvrestartp || !argvrestart || !argvrestartname) {
fprintf(stderr, "malloc failure processing argvrestart\n");
exit(1);
}
strcpy(argvrestartname, argv[0]);
if (agent_mode == -1) {
if (strstr(argvrestartname, "agentxd") != NULL) {
netsnmp_ds_set_boolean(NETSNMP_DS_APPLICATION_ID,
NETSNMP_DS_AGENT_ROLE, SUB_AGENT);
} else {
netsnmp_ds_set_boolean(NETSNMP_DS_APPLICATION_ID,
NETSNMP_DS_AGENT_ROLE, MASTER_AGENT);
}
} else {
netsnmp_ds_set_boolean(NETSNMP_DS_APPLICATION_ID,
NETSNMP_DS_AGENT_ROLE, agent_mode);
}
for (cptr = argvrestart, i = 0; i < argc; i++) {
strcpy(cptr, argv[i]);
*(argvptr++) = cptr;
cptr += strlen(argv[i]) + 1;
}
*cptr = 0;
*argvptr = NULL;
#ifdef BUFSIZ
setvbuf(stdout, NULL, _IOLBF, BUFSIZ);
#endif
/*
* Initialize the world. Detach from the shell. Create initial user.
*/
#if HAVE_FORK
if (!dont_fork) {
/*
* Fork to return control to the invoking process and to
* guarantee that we aren't a process group leader.
*/
if (fork() != 0) {
/* Parent. */
if (!netsnmp_ds_get_boolean(NETSNMP_DS_APPLICATION_ID,
NETSNMP_DS_AGENT_QUIT_IMMEDIATELY)) {
exit(0);
}
} else {
/* Child. */
#ifdef HAVE_SETSID
/* Become a process/session group leader. */
setsid();
#endif
/*
* Fork to let the process/session group leader exit.
*/
if (fork() != 0) {
/* Parent. */
exit(0);
}
#ifndef WIN32
else {
/* Child. */
/* Avoid keeping any directory in use. */
chdir("/");
if (!stderr_log) {
/*
* Close inherited file descriptors to avoid
* keeping unnecessary references.
*/
close(0);
close(1);
close(2);
/*
* Redirect std{in,out,err} to /dev/null, just in
* case.
*/
open("/dev/null", O_RDWR);
dup(0);
dup(0);
}
}
#endif /* !WIN32 */
}
}
#endif /* HAVE_FORK */
SOCK_STARTUP;
init_agent("snmpd"); /* do what we need to do first. */
init_mib_modules();
/*
* start library
*/
init_snmp("snmpd");
if ((ret = init_master_agent()) != 0) {
/*
* Some error opening one of the specified agent transports.
*/
Exit(1); /* Exit logs exit val for us */
}
#ifdef SIGTERM
DEBUGMSGTL(("signal", "registering SIGTERM signal handler\n"));
signal(SIGTERM, SnmpdShutDown);
#endif
#ifdef SIGINT
DEBUGMSGTL(("signal", "registering SIGINT signal handler\n"));
signal(SIGINT, SnmpdShutDown);
#endif
#ifdef SIGHUP
DEBUGMSGTL(("signal", "registering SIGHUP signal handler\n"));
signal(SIGHUP, SnmpdReconfig);
#endif
#ifdef SIGUSR1
DEBUGMSGTL(("signal", "registering SIGUSR1 signal handler\n"));
signal(SIGUSR1, SnmpdDump);
#endif
#ifdef SIGPIPE
DEBUGMSGTL(("signal", "registering SIGPIPE signal handler\n"));
signal(SIGPIPE, SIG_IGN); /* 'Inline' failure of wayward readers */
#endif
/*
* Store persistent data immediately in case we crash later.
*/
snmp_store("snmpd");
/*
* Send coldstart trap if possible.
*/
send_easy_trap(0, 0);
#if HAVE_GETPID
if (pid_file != NULL) {
/*
* unlink the pid_file, if it exists, prior to open. Without
* doing this the open will fail if the user specified pid_file
* already exists.
*/
unlink(pid_file);
fd = open(pid_file, O_CREAT | O_EXCL | O_WRONLY, 0600);
if (fd == -1) {
snmp_log_perror(pid_file);
if (!netsnmp_ds_get_boolean(NETSNMP_DS_APPLICATION_ID,
NETSNMP_DS_AGENT_NO_ROOT_ACCESS)) {
exit(1);
}
} else {
if ((PID = fdopen(fd, "w")) == NULL) {
snmp_log_perror(pid_file);
exit(1);
} else {
fprintf(PID, "%d\n", (int) getpid());
fclose(PID);
}
close(fd);
}
}
#endif
#if HAVE_UNISTD_H
#ifdef HAVE_SETGID
if ((gid = netsnmp_ds_get_int(NETSNMP_DS_APPLICATION_ID,
NETSNMP_DS_AGENT_GROUPID)) != 0) {
DEBUGMSGTL(("snmpd/main", "Changing gid to %d.\n", gid));
if (setgid(gid) == -1
#ifdef HAVE_SETGROUPS
|| setgroups(1, (gid_t *)&gid) == -1
#endif
) {
snmp_log_perror("setgid failed");
if (!netsnmp_ds_get_boolean(NETSNMP_DS_APPLICATION_ID,
NETSNMP_DS_AGENT_NO_ROOT_ACCESS)) {
exit(1);
}
}
}
#endif
#ifdef HAVE_SETUID
if ((uid = netsnmp_ds_get_int(NETSNMP_DS_APPLICATION_ID,
NETSNMP_DS_AGENT_USERID)) != 0) {
DEBUGMSGTL(("snmpd/main", "Changing uid to %d.\n", uid));
if (setuid(uid) == -1) {
snmp_log_perror("setuid failed");
if (!netsnmp_ds_get_boolean(NETSNMP_DS_APPLICATION_ID,
NETSNMP_DS_AGENT_NO_ROOT_ACCESS)) {
exit(1);
}
}
}
#endif
#endif
/*
* We're up, log our version number.
*/
snmp_log(LOG_INFO, "NET-SNMP version %s\n", netsnmp_get_version());
#ifdef WIN32
agent_status = AGENT_RUNNING;
#endif
netsnmp_addrcache_initialise();
/*
* Forever monitor the dest_port for incoming PDUs.
*/
DEBUGMSGTL(("snmpd/main", "We're up. Starting to process data.\n"));
if (!netsnmp_ds_get_boolean(NETSNMP_DS_APPLICATION_ID,
NETSNMP_DS_AGENT_QUIT_IMMEDIATELY))
receive();
#include "mib_module_shutdown.h"
DEBUGMSGTL(("snmpd/main", "sending shutdown trap\n"));
SnmpTrapNodeDown();
DEBUGMSGTL(("snmpd/main", "Bye...\n"));
snmp_shutdown("snmpd");
if (!netsnmp_ds_get_boolean(NETSNMP_DS_APPLICATION_ID,
NETSNMP_DS_AGENT_LEAVE_PIDFILE) &&
(pid_file != NULL)) {
unlink(pid_file);
}
#ifdef WIN32
agent_status = AGENT_STOPPED;
#endif
return 0;
} /* End main() -- snmpd */
main(int argc, char *argv[])
#endif
{
char options[128] = "ac:CdD::efF:hHl:L:m:M:no:PqsS:tvO:-:";
netsnmp_session *sess_list = NULL, *ss = NULL;
netsnmp_transport *transport = NULL;
int arg, i = 0;
int count, numfds, block;
fd_set fdset;
struct timeval timeout, *tvp;
char *cp, *listen_ports = NULL;
int agentx_subagent = 1, depmsg = 0;
/*
* 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
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:u:");
#endif
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();
exit(0);
}
if (strcasecmp(optarg, "version") == 0) {
version();
exit(0);
}
handle_long_opt(optarg);
break;
case 'a':
dropauth = 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;
case 'h':
usage();
exit(0);
case 'H':
init_notification_log();
init_snmp("snmptrapd");
fprintf(stderr, "Configuration directives understood:\n");
read_config_print_usage(" ");
exit(0);
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");
Print++;
if (optarg != NULL) {
logfile = optarg;
snmp_enable_filelog(optarg, 0);
} 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);
}
Log++;
break;
case 'P':
fprintf(stderr,
"Warning: -P option is deprecated; use -f -Le instead\n");
dofork = 0;
snmp_enable_stderrlog();
Print++;
break;
case 's':
fprintf(stderr,
"Warning: -s option is deprecated; use -Lsd instead\n");
depmsg = 1;
Syslog++;
break;
case 't':
SyslogTrap++;
break;
#if HAVE_GETPID
case 'u':
fprintf(stderr,
"Warning: -u option is deprecated; use -p instead\n");
case 'p':
if (optarg != NULL) {
parse_config_pidFile(NULL, optarg);
} else {
usage();
exit(1);
}
break;
#endif
case 'v':
version();
exit(0);
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);
}
}
}
}
/*
* I'm being lazy here, and not checking the
* return value from these registration calls.
* Don't try this at home, children!
*/
if (!Log && !Print) {
Syslog = 1;
netsnmp_add_global_traphandler(NETSNMPTRAPD_PRE_HANDLER, syslog_handler);
} else {
netsnmp_add_global_traphandler(NETSNMPTRAPD_PRE_HANDLER, print_handler);
}
netsnmp_add_global_traphandler(NETSNMPTRAPD_POST_HANDLER, notification_handler);
if (Event) {
netsnmp_add_traphandler(event_handler, risingAlarm,
OID_LENGTH(risingAlarm));
netsnmp_add_traphandler(event_handler, fallingAlarm,
OID_LENGTH(fallingAlarm));
netsnmp_add_traphandler(event_handler, unavailableAlarm,
OID_LENGTH(unavailableAlarm));
/* XXX - might be worth setting some "magic data"
* in the traphandler structure that 'event_handler'
* can use to avoid checking the trap OID values.
*/
}
#ifdef USING_AGENTX_SUBAGENT_MODULE
/*
* 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");
/*
* initialize local modules
*/
if (agentx_subagent) {
extern void init_register_usmUser_context(const char *);
#ifdef USING_AGENTX_SUBAGENT_MODULE
void init_subagent(void);
init_subagent();
#endif
/* register the notification log table */
init_notification_log();
/* register ourselves as having a USM user database */
init_register_usmUser_context("snmptrapd");
}
#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");
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.
*/
running = 0;
}
#ifndef WIN32
/*
* fork the process to the background if we are not printing to stderr
*/
if (dofork && 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
if (Syslog) {
snmp_enable_syslog_ident(app_name, Facility);
snmp_log(LOG_INFO, "Starting snmptrapd %s\n", netsnmp_get_version());
if (depmsg) {
snmp_log(LOG_WARNING, "-s and -S options are deprecated; use -Ls <facility> instead\n");
}
}
if (Print || Log) {
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 Started.\n",
tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday,
tm->tm_hour, tm->tm_min, tm->tm_sec,
netsnmp_get_version());
}
SOCK_STARTUP;
if (listen_ports)
cp = listen_ports;
else
cp = default_port;
while (cp != NULL) {
char *sep = strchr(cp, ',');
char listen_name[128];
char *cp2 = strchr(cp, ':');
if (sep != NULL) {
*sep = 0;
}
/*
* Make sure this defaults to listening on port 162
*/
if (!cp2) {
snprintf(listen_name, sizeof(listen_name), "%s:162", cp);
cp2 = listen_name;
} else {
cp2 = cp;
}
transport = netsnmp_tdomain_transport(cp2, 1, "udp");
if (transport == NULL) {
snmp_log(LOG_ERR, "couldn't open %s -- errno %d (\"%s\")\n",
cp2, 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);
if (Syslog) {
snmp_log(LOG_ERR, "couldn't open snmp - %m");
}
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;
}
}
signal(SIGTERM, term_handler);
#ifdef SIGHUP
signal(SIGHUP, hup_handler);
#endif
signal(SIGINT, term_handler);
#ifdef WIN32SERVICE
trapd_status = SNMPTRAPD_RUNNING;
#endif
while (running) {
if (reconfig) {
if (Print || Log) {
struct tm *tm;
time_t timer;
time(&timer);
tm = localtime(&timer);
/*
* 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.
*/
if (logfile)
snmp_enable_filelog(logfile, 1);
snmp_log(LOG_INFO,
"%.4d-%.2d-%.2d %.2d:%.2d:%.2d NET-SNMP version %s Reconfigured.\n",
tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday,
tm->tm_hour, tm->tm_min, tm->tm_sec,
netsnmp_get_version());
}
if (Syslog)
snmp_log(LOG_INFO, "Snmptrapd reconfiguring");
trapd_update_config();
if (trap1_fmt_str_remember) {
free_trap1_fmt();
print_format1 = strdup(trap1_fmt_str_remember);
}
reconfig = 0;
}
numfds = 0;
FD_ZERO(&fdset);
block = 0;
tvp = &timeout;
timerclear(tvp);
tvp->tv_sec = 5;
snmp_select_info(&numfds, &fdset, tvp, &block);
if (block == 1)
tvp = NULL; /* block without timeout */
count = select(numfds, &fdset, 0, 0, tvp);
gettimeofday(&Now, 0);
if (count > 0) {
snmp_read(&fdset);
} else
switch (count) {
case 0:
snmp_timeout();
break;
case -1:
if (errno == EINTR)
continue;
snmp_log_perror("select");
running = 0;
break;
default:
fprintf(stderr, "select returned %d\n", count);
running = 0;
}
run_alarms();
}
if (Print || Log) {
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());
}
if (Syslog) {
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 arg;
char *prognam;
char *cp = NULL;
const char* sysUpTime = NULL;
/* initialize tcpip, if necessary */
SOCK_STARTUP;
prognam = strrchr(argv[0], '/');
if (prognam)
++prognam;
else
prognam = argv[0];
putenv(strdup("POSIXLY_CORRECT=1"));
netsnmp_ds_set_boolean(NETSNMP_DS_LIBRARY_ID,
NETSNMP_DS_LIB_DISABLE_PERSISTENT_LOAD, 1);
netsnmp_ds_set_boolean(NETSNMP_DS_LIBRARY_ID,
NETSNMP_DS_LIB_DISABLE_PERSISTENT_SAVE, 1);
while ((arg = getopt(argc, argv, ":Vhm:M:D:dP:L:U:c:x:")) != -1) {
switch (arg) {
case 'h':
usage(prognam);
result = 0;
goto out;
case 'm':
setenv("MIBS", optarg, 1);
break;
case 'M':
setenv("MIBDIRS", optarg, 1);
break;
case 'c':
context = optarg;
contextLen = strlen(context);
break;
case 'D':
debug_register_tokens(optarg);
snmp_set_do_debugging(1);
break;
case 'd':
netsnmp_ds_set_boolean(NETSNMP_DS_LIBRARY_ID,
NETSNMP_DS_LIB_DUMP_PACKET, 1);
break;
case 'U':
sysUpTime = optarg;
break;
case 'V':
fprintf(stderr, "NET-SNMP version: %s\n", netsnmp_get_version());
result = 0;
goto out;
#ifndef DISABLE_MIB_LOADING
case 'P':
cp = snmp_mib_toggle_options(optarg);
if (cp != NULL) {
fprintf(stderr, "Unknown parser option to -P: %c.\n", *cp);
usage(prognam);
goto out;
}
break;
#endif /* DISABLE_MIB_LOADING */
case 'L':
if (snmp_log_options(optarg, argc, argv) < 0)
goto out;
break;
case 'x':
if (optarg != NULL) {
netsnmp_ds_set_string(NETSNMP_DS_APPLICATION_ID,
NETSNMP_DS_AGENT_X_SOCKET, optarg);
} else
usage(argv[0]);
break;
case ':':
fprintf(stderr, "Option -%c requires an operand\n", optopt);
usage(prognam);
goto out;
case '?':
fprintf(stderr, "Unrecognized option: -%c\n", optopt);
usage(prognam);
goto out;
}
}
arg = optind;
init_snmp(NETSNMP_APPLICATION_CONFIG_TYPE);
agentx_config_init();
/* NOTIFY varlist */
pdu = pdu_create_opt_context(AGENTX_MSG_NOTIFY, context, contextLen);
if (sysUpTime)
snmp_add_var(pdu, sysuptime_oid, sysuptime_oid_len, 't', sysUpTime);
if (arg == argc) {
fprintf(stderr, "Missing trap-oid parameter\n");
usage(prognam);
goto out;
}
if (snmp_add_var(pdu, snmptrap_oid, snmptrap_oid_len, 'o', argv[arg])) {
snmp_perror(argv[arg]);
goto out;
}
++arg;
while (arg < argc) {
oid name[MAX_OID_LEN];
size_t name_length = MAX_OID_LEN;
arg += 3;
if (arg > argc) {
fprintf(stderr, "%s: Missing type/value for variable\n",
argv[arg - 3]);
goto out;
}
if (!snmp_parse_oid(argv[arg - 3], name, &name_length)) {
snmp_perror(argv[arg - 3]);
goto out;
}
if (snmp_add_var(pdu, name, name_length, argv[arg - 2][0],
argv[arg - 1]) != 0) {
snmp_perror(argv[arg - 3]);
goto out;
}
}
packetid = 0;
state = &Connecting;
next_state = NULL;
if(state->entry) state->entry(state);
/* main loop here... */
for(;;) {
int block = 1;
int numfds = 0;
int count;
fd_set fdset;
struct timeval timeout;
while(next_state) {
if(state->exit) state->exit(state);
DEBUGMSGTL(("process", "State transition: %s -> %s\n",
state->name, next_state->name));
state = next_state;
next_state = NULL;
if(state->entry) state->entry(state);
}
if(state == &Exit)
break;
FD_ZERO(&fdset);
snmp_sess_select_info(sessp, &numfds, &fdset, &timeout, &block);
count = select(numfds, &fdset, NULL, NULL, !block ? &timeout : NULL);
if (count > 0)
snmp_sess_read(sessp, &fdset);
else if (count == 0)
snmp_sess_timeout(sessp);
else if (errno != EINTR) {
snmp_log(LOG_ERR, "select error [%s]\n", strerror(errno));
change_state(&Exit);
}
}
/* at shutdown time */
snmp_free_pdu(pdu);
pdu = NULL;
snmp_shutdown(NETSNMP_APPLICATION_CONFIG_TYPE);
out:
SOCK_CLEANUP;
return result;
}
int
main (int argc, char **argv) {
int agentx_subagent=1; /* change this if you want to be a SNMP master agent */
/* Defs for arg-handling code: handles setting of policy-related variables */
int ch;
extern char *optarg;
int dont_fork = 0, use_stderr = 0;
char *agentx_socket = NULL;
while ((ch = getopt(argc, argv, "D:fHLMx:")) != EOF)
switch(ch) {
case 'D':
debug_register_tokens(optarg);
snmp_set_do_debugging(1);
break;
case 'f':
dont_fork = 1;
break;
case 'H':
netsnmp_ds_set_boolean(NETSNMP_DS_APPLICATION_ID,
NETSNMP_DS_AGENT_NO_ROOT_ACCESS, 1);
init_agent("libvirtGuestTable"); /* register our .conf handlers */
init_libvirtGuestTable();
init_snmp("libvirtGuestTable");
fprintf(stderr, "Configuration directives understood:\n");
read_config_print_usage(" ");
snmp_shutdown("libvirtGuestTable");
shutdown_libvirtGuestTable();
exit(0);
case 'M':
agentx_subagent = 0;
break;
case 'L':
use_stderr = 1;
break;
case 'x':
agentx_socket = optarg;
break;
default:
fprintf(stderr,"unknown option %c\n", ch);
usage();
}
if (optind < argc) {
int i;
/*
* There are optional transport addresses on the command line.
*/
DEBUGMSGTL(("snmpd/main", "optind %d, argc %d\n", optind, argc));
for (i = optind; i < argc; i++) {
char *c, *astring;
if ((c = netsnmp_ds_get_string(NETSNMP_DS_APPLICATION_ID,
NETSNMP_DS_AGENT_PORTS))) {
astring = malloc(strlen(c) + 2 + strlen(argv[i]));
if (astring == NULL) {
fprintf(stderr, "malloc failure processing argv[%d]\n", i);
exit(1);
}
sprintf(astring, "%s,%s", c, argv[i]);
netsnmp_ds_set_string(NETSNMP_DS_APPLICATION_ID,
NETSNMP_DS_AGENT_PORTS, astring);
SNMP_FREE(astring);
} else {
netsnmp_ds_set_string(NETSNMP_DS_APPLICATION_ID,
NETSNMP_DS_AGENT_PORTS, argv[i]);
}
}
DEBUGMSGTL(("snmpd/main", "port spec: %s\n",
netsnmp_ds_get_string(NETSNMP_DS_APPLICATION_ID,
NETSNMP_DS_AGENT_PORTS)));
}
/* we're an agentx subagent? */
if (agentx_subagent) {
/* make us a agentx client. */
netsnmp_enable_subagent();
if (NULL != agentx_socket)
netsnmp_ds_set_string(NETSNMP_DS_APPLICATION_ID,
NETSNMP_DS_AGENT_X_SOCKET, agentx_socket);
}
snmp_disable_log();
if (use_stderr)
snmp_enable_stderrlog();
else
snmp_enable_calllog();
/* daemonize */
if(!dont_fork) {
int rc = netsnmp_daemonize(1, use_stderr);
if(rc)
exit(-1);
}
/* initialize tcp/ip if necessary */
SOCK_STARTUP;
/* initialize the agent library */
init_agent("libvirtGuestTable");
/* init libvirtGuestTable mib code */
init_libvirtGuestTable();
/* read libvirtGuestTable.conf files. */
init_snmp("libvirtGuestTable");
/* If we're going to be a snmp master agent, initial the ports */
if (!agentx_subagent)
init_master_agent(); /* open the port to listen on (defaults to udp:161) */
/* In case we recevie a request to stop (kill -TERM or kill -INT) */
keep_running = 1;
signal(SIGTERM, stop_server);
signal(SIGINT, stop_server);
/* you're main loop here... */
while(keep_running) {
/* if you use select(), see snmp_select_info() in snmp_api(3) */
/* --- OR --- */
agent_check_and_process(1); /* 0 == don't block */
}
/* at shutdown time */
snmp_shutdown("libvirtGuestTable");
shutdown_libvirtGuestTable();
SOCK_CLEANUP;
exit(0);
}
int main(int argc, char** argv) {
int agentx_subagent =
1; /* change this if you want to be a SNMP master agent */
/* 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);
}
/*
* Locate the appropriate transport domain and call the create function for
* it.
*/
netsnmp_transport *
netsnmp_tdomain_transport_full(const char *application,
const char *str, int local,
const char *default_domain,
const char *default_target)
{
netsnmp_tdomain *match = NULL;
const char *addr = NULL;
const char * const *spec = NULL;
int any_found = 0;
char buf[SNMP_MAXPATH];
char **lspec = 0;
DEBUGMSGTL(("tdomain",
"tdomain_transport_full(\"%s\", \"%s\", %d, \"%s\", \"%s\")\n",
application, str ? str : "[NIL]", local,
default_domain ? default_domain : "[NIL]",
default_target ? default_target : "[NIL]"));
/* see if we can load a host-name specific set of conf files */
if (!netsnmp_ds_get_boolean(NETSNMP_DS_LIBRARY_ID,
NETSNMP_DS_LIB_DONT_LOAD_HOST_FILES) &&
netsnmp_is_fqdn(str)) {
static int have_added_handler = 0;
char *newhost;
struct config_line *config_handlers;
struct config_files file_names;
char *prev_hostname;
/* register a "transport" specifier */
if (!have_added_handler) {
have_added_handler = 1;
netsnmp_ds_register_config(ASN_OCTET_STR,
"snmp", "transport",
NETSNMP_DS_LIBRARY_ID,
NETSNMP_DS_LIB_HOSTNAME);
}
/* we save on specific setting that we don't allow to change
from one transport creation to the next; ie, we don't want
the "transport" specifier to be a default. It should be a
single invocation use only */
prev_hostname = netsnmp_ds_get_string(NETSNMP_DS_LIBRARY_ID,
NETSNMP_DS_LIB_HOSTNAME);
if (prev_hostname)
prev_hostname = strdup(prev_hostname);
/* read in the hosts/STRING.conf files */
config_handlers = read_config_get_handlers("snmp");
snprintf(buf, sizeof(buf)-1, "hosts/%s", str);
file_names.fileHeader = buf;
file_names.start = config_handlers;
file_names.next = NULL;
DEBUGMSGTL(("tdomain", "checking for host specific config %s\n",
buf));
read_config_files_of_type(EITHER_CONFIG, &file_names);
if (NULL !=
(newhost = netsnmp_ds_get_string(NETSNMP_DS_LIBRARY_ID,
NETSNMP_DS_LIB_HOSTNAME))) {
strlcpy(buf, newhost, sizeof(buf));
str = buf;
}
netsnmp_ds_set_string(NETSNMP_DS_LIBRARY_ID,
NETSNMP_DS_LIB_HOSTNAME,
prev_hostname);
SNMP_FREE(prev_hostname);
}
/* First try - assume that there is a domain in str (domain:target) */
if (str != NULL) {
const char *cp;
if ((cp = strchr(str, ':')) != NULL) {
char* mystring = (char*)malloc(cp + 1 - str);
memcpy(mystring, str, cp - str);
mystring[cp - str] = '\0';
addr = cp + 1;
match = find_tdomain(mystring);
free(mystring);
}
}
/*
* Second try, if there is no domain in str (target), then try the
* default domain
*/
if (match == NULL) {
addr = str;
if (addr && *addr == '/') {
DEBUGMSGTL(("tdomain",
"Address starts with '/', so assume \"unix\" "
"domain\n"));
match = find_tdomain("unix");
} else if (default_domain) {
DEBUGMSGTL(("tdomain",
"Use user specified default domain \"%s\"\n",
default_domain));
if (!strchr(default_domain, ','))
match = find_tdomain(default_domain);
else {
int commas = 0;
const char *cp = default_domain;
char *dup = strdup(default_domain);
while (*++cp) if (*cp == ',') commas++;
lspec = (char **) calloc(commas+2, sizeof(char *));
commas = 1;
lspec[0] = strtok(dup, ",");
while ((lspec[commas++] = strtok(NULL, ",")))
;
spec = (const char * const *)lspec;
}
} else {
spec = netsnmp_lookup_default_domains(application);
if (spec == NULL) {
DEBUGMSGTL(("tdomain",
"No default domain found, assume \"udp\"\n"));
match = find_tdomain("udp");
} else {
const char * const * r = spec;
DEBUGMSGTL(("tdomain",
"Use application default domains"));
while(*r) {
DEBUGMSG(("tdomain", " \"%s\"", *r));
++r;
}
DEBUGMSG(("tdomain", "\n"));
}
}
}
for(;;) {
if (match) {
netsnmp_transport *t = NULL;
const char* addr2;
any_found = 1;
/*
* Ok, we know what domain to try, lets see what default data
* should be used with it
*/
if (default_target != NULL)
addr2 = default_target;
else
addr2 = netsnmp_lookup_default_target(application,
match->prefix[0]);
DEBUGMSGTL(("tdomain",
"trying domain \"%s\" address \"%s\" "
"default address \"%s\"\n",
match->prefix[0], addr ? addr : "[NIL]",
addr2 ? addr2 : "[NIL]"));
if (match->f_create_from_tstring) {
NETSNMP_LOGONCE((LOG_WARNING,
"transport domain %s uses deprecated f_create_from_tstring\n",
match->prefix[0]));
t = match->f_create_from_tstring(addr, local);
}
else
t = match->f_create_from_tstring_new(addr, local, addr2);
if (t) {
if (lspec) {
free(lspec[0]);
free(lspec);
}
return t;
}
}
addr = str;
if (spec && *spec)
match = find_tdomain(*spec++);
else
break;
}
if (!any_found)
snmp_log(LOG_ERR, "No support for any checked transport domain\n");
if (lspec) {
free(lspec[0]);
free(lspec);
}
return NULL;
}
void
init_agent_read_config(const char *app)
{
if (app != NULL) {
netsnmp_ds_set_string(NETSNMP_DS_LIBRARY_ID,
NETSNMP_DS_LIB_APPTYPE, app);
} else {
app = netsnmp_ds_get_string(NETSNMP_DS_LIBRARY_ID,
NETSNMP_DS_LIB_APPTYPE);
}
register_app_config_handler("authtrapenable",
snmpd_parse_config_authtrap, NULL,
"1 | 2\t\t(1 = enable, 2 = disable)");
register_app_config_handler("pauthtrapenable",
snmpd_parse_config_authtrap, NULL, NULL);
if (netsnmp_ds_get_boolean(NETSNMP_DS_APPLICATION_ID,
NETSNMP_DS_AGENT_ROLE) == MASTER_AGENT) {
#ifndef DISABLE_SNMPV1
register_app_config_handler("trapsink",
snmpd_parse_config_trapsink,
snmpd_free_trapsinks,
"host [community] [port]");
#endif
#ifndef DISABLE_SNMPV2C
register_app_config_handler("trap2sink",
snmpd_parse_config_trap2sink, NULL,
"host [community] [port]");
register_app_config_handler("informsink",
snmpd_parse_config_informsink, NULL,
"host [community] [port]");
#endif
register_app_config_handler("trapsess",
snmpd_parse_config_trapsess, NULL,
"[snmpcmdargs] host");
}
#if !defined(DISABLE_SNMPV1) || !defined(DISABLE_SNMPV2C)
register_app_config_handler("trapcommunity",
snmpd_parse_config_trapcommunity,
snmpd_free_trapcommunity,
"community-string");
#endif /* support for community based SNMP */
#ifdef HAVE_UNISTD_H
register_app_config_handler("agentuser",
snmpd_set_agent_user, NULL, "userid");
register_app_config_handler("agentgroup",
snmpd_set_agent_group, NULL, "groupid");
#endif
register_app_config_handler("agentaddress",
snmpd_set_agent_address, NULL,
"SNMP bind address");
netsnmp_ds_register_config(ASN_BOOLEAN, app, "quit",
NETSNMP_DS_APPLICATION_ID,
NETSNMP_DS_AGENT_QUIT_IMMEDIATELY);
netsnmp_ds_register_config(ASN_BOOLEAN, app, "leave_pidfile",
NETSNMP_DS_APPLICATION_ID,
NETSNMP_DS_AGENT_LEAVE_PIDFILE);
netsnmp_init_handler_conf();
#include "agent_module_dot_conf.h"
#include "mib_module_dot_conf.h"
#ifdef TESTING
print_config_handlers();
#endif
}
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;
}
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;
}
void
init_agent_read_config(const char *app)
{
if (app != NULL) {
netsnmp_ds_set_string(NETSNMP_DS_LIBRARY_ID,
NETSNMP_DS_LIB_APPTYPE, app);
} else {
app = netsnmp_ds_get_string(NETSNMP_DS_LIBRARY_ID,
NETSNMP_DS_LIB_APPTYPE);
}
register_app_config_handler("authtrapenable",
snmpd_parse_config_authtrap, NULL,
"1 | 2\t\t(1 = enable, 2 = disable)");
register_app_config_handler("pauthtrapenable",snmpd_parse_config_authtrap, NULL, NULL);
if (netsnmp_ds_get_boolean(NETSNMP_DS_APPLICATION_ID,
NETSNMP_DS_AGENT_ROLE) == MASTER_AGENT) {
#ifndef NETSNMP_DISABLE_SNMPV1
register_app_config_handler("trapsink",
snmpd_parse_config_trapsink,
snmpd_free_trapsinks,
"host [community] [port]");
#endif
#ifndef NETSNMP_DISABLE_SNMPV2C
register_app_config_handler("trap2sink",
snmpd_parse_config_trap2sink,
snmpd_free_trapsinks,
"host [community] [port]");
register_app_config_handler("informsink",
snmpd_parse_config_informsink,
snmpd_free_trapsinks,
"host [community] [port]");
#endif
register_app_config_handler("trapsess",
snmpd_parse_config_trapsess,
snmpd_free_trapsinks,
"[snmpcmdargs] host");
}
#if !defined(NETSNMP_DISABLE_SNMPV1) || !defined(NETSNMP_DISABLE_SNMPV2C)
register_app_config_handler("trapcommunity",
snmpd_parse_config_trapcommunity,
snmpd_free_trapcommunity,
"community-string");
#endif /* support for community based SNMP */
netsnmp_ds_register_config(ASN_OCTET_STR, app, "v1trapaddress",
NETSNMP_DS_APPLICATION_ID,
NETSNMP_DS_AGENT_TRAP_ADDR);
#ifdef HAVE_UNISTD_H
register_app_config_handler("agentuser",
snmpd_set_agent_user, NULL, "userid");
register_app_config_handler("agentgroup",
snmpd_set_agent_group, NULL, "groupid");
#endif
#ifndef NETSNMP_NO_LISTEN_SUPPORT
register_app_config_handler("agentaddress",
snmpd_set_agent_address, NULL,
"SNMP bind address");
#endif /* NETSNMP_NO_LISTEN_SUPPORT */
netsnmp_ds_register_config(ASN_BOOLEAN, app, "quit",
NETSNMP_DS_APPLICATION_ID,
NETSNMP_DS_AGENT_QUIT_IMMEDIATELY);
netsnmp_ds_register_config(ASN_BOOLEAN, app, "leave_pidfile",
NETSNMP_DS_APPLICATION_ID,
NETSNMP_DS_AGENT_LEAVE_PIDFILE);
netsnmp_ds_register_config(ASN_BOOLEAN, app, "dontLogTCPWrappersConnects",
NETSNMP_DS_APPLICATION_ID,
NETSNMP_DS_AGENT_DONT_LOG_TCPWRAPPERS_CONNECTS);
netsnmp_ds_register_config(ASN_INTEGER, app, "maxGetbulkRepeats",
NETSNMP_DS_APPLICATION_ID,
NETSNMP_DS_AGENT_MAX_GETBULKREPEATS);
netsnmp_ds_register_config(ASN_INTEGER, app, "maxGetbulkResponses",
NETSNMP_DS_APPLICATION_ID,
NETSNMP_DS_AGENT_MAX_GETBULKRESPONSES);
netsnmp_init_handler_conf();
#include "agent_module_dot_conf.h"
#include "mib_module_dot_conf.h"
#ifdef TESTING
print_config_handlers();
#endif
}
static void
initialize_internal(void) {
lagopus_result_t ret = LAGOPUS_RESULT_ANY_FAILURES;
void *logger_client_arg = NULL;
char *master_agentx_socket = NULL;
char *ping_interval_string = NULL;
uint16_t ping_interval = 0;
state = SNMPMGR_NONE;
/* `is_thread` is able to be changed only once here */
is_thread = is_thread_dummy;
if (is_thread == false && thdptr_dummy != NULL) {
*thdptr_dummy = NULL;
} else if (thdptr_dummy != NULL) {
*thdptr_dummy = &snmpmgr;
} else {
/* never reached! */
return;
}
if (lagopus_mutex_create(&snmp_lock) != LAGOPUS_RESULT_OK) {
return;
}
if (lagopus_mutex_create(&snmp_state_lock) != LAGOPUS_RESULT_OK) {
return;
}
snmp_set_do_debugging(false);
/* setup Net-SNMP logger to use the lagopus logging function */
if (snmp_register_callback(SNMP_CALLBACK_LIBRARY,
SNMP_CALLBACK_LOGGING,
snmp_log_callback_wrapper,
logger_client_arg) != SNMPERR_SUCCESS) {
return;
}
snmp_enable_calllog();
/* setup the SNMP module to be Agentx subagent */
netsnmp_enable_subagent();
#ifdef THE_CONFSYS_ERA
master_agentx_socket = config_get("snmp master-agentx-socket WORD");
if (master_agentx_socket == NULL) {
config_set_default("snmp master-agentx-socket WORD",
(char *)DEFAULT_SNMPMGR_AGENTX_SOCKET);
master_agentx_socket = config_get("snmp master-agentx-socket WORD");
}
#else
/*
* FIXME:
* Fetch it from the datastore.
*/
master_agentx_socket = (char *)DEFAULT_SNMPMGR_AGENTX_SOCKET;
#endif /* THE_CONFSYS_ERA */
lagopus_msg_debug(25, "master agentx socket is %s\n", master_agentx_socket);
if (netsnmp_ds_set_string(NETSNMP_DS_APPLICATION_ID,
NETSNMP_DS_AGENT_X_SOCKET,
master_agentx_socket)
!= SNMPERR_SUCCESS) {
initialize_ret = LAGOPUS_RESULT_SNMP_API_ERROR;
return;
}
/* don't read/write configuration files */
if (netsnmp_ds_set_boolean(NETSNMP_DS_LIBRARY_ID,
NETSNMP_DS_LIB_DONT_PERSIST_STATE,
true) != SNMPERR_SUCCESS) {
initialize_ret = LAGOPUS_RESULT_SNMP_API_ERROR;
return;
}
if (netsnmp_ds_set_boolean(NETSNMP_DS_LIBRARY_ID,
NETSNMP_DS_LIB_DISABLE_PERSISTENT_LOAD,
true) != SNMPERR_SUCCESS) {
initialize_ret = LAGOPUS_RESULT_SNMP_API_ERROR;
return;
}
/* the interval [sec] to send ping to AgentX master agent */
#ifdef THE_CONFSYS_ERA
ping_interval_string = config_get("snmp ping-interval-second 1-255");
if (ping_interval_string != NULL &&
(ret = check_ping_interval(ping_interval_string, &ping_interval))
!= LAGOPUS_RESULT_OK) {
config_set_default("snmp ping-interval-second 1-255",
(char *) __STR__(DEFAULT_SNMPMGR_AGENTX_PING_INTERVAL_SEC));
ping_interval_string = config_get("snmp ping-interval-second 1-255");
ping_interval = DEFAULT_SNMPMGR_AGENTX_PING_INTERVAL_SEC; /* default value */
}
#else
/*
* FIXME:
* Fetch it from the datastore.
*/
ping_interval = DEFAULT_SNMPMGR_AGENTX_PING_INTERVAL_SEC;
#endif /* THE_CONFSYS_ERA */
if (netsnmp_ds_set_int(NETSNMP_DS_APPLICATION_ID,
NETSNMP_DS_AGENT_AGENTX_PING_INTERVAL,
(int)ping_interval)
!= SNMPERR_SUCCESS) {
initialize_ret = LAGOPUS_RESULT_SNMP_API_ERROR;
return;
}
if (init_agent(SNMP_TYPE) != SNMPERR_SUCCESS) {
initialize_ret = LAGOPUS_RESULT_SNMP_API_ERROR;
return;
}
if ((ret = lagopus_hashmap_create(&iftable_entry_hash,
LAGOPUS_HASHMAP_TYPE_STRING,
delete_entry)) != LAGOPUS_RESULT_OK) {
lagopus_perror(ret);
exit(1);
}
init_ifTable();
init_ifNumber();
init_dot1dBaseBridgeAddress();
init_dot1dBaseNumPorts();
init_dot1dBasePortTable();
init_dot1dBaseType();
if (is_thread == false) {
initialize_ret = LAGOPUS_RESULT_OK;
} else {
keep_running = true;
initialize_ret = lagopus_thread_create(&snmpmgr,
snmpmgr_thread_loop,
snmpmgr_thread_finally_called,
NULL,
"snmpmgr",
NULL);
}
lagopus_msg_info("SNMP manager initialized.\n");
}
int ds_set_string (int storeid, int which, const char *value)
{
return netsnmp_ds_set_string (storeid, which, value);
}
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)
{
int arg;
char* cp = NULL;
int dont_fork = 0, do_help = 0;
while ((arg = getopt(argc, argv, "dD:fhHL:Xp"
#ifndef DISABLE_MIB_LOADING
"m:M:"
#endif /* DISABLE_MIB_LOADING */
"n:"
#ifndef DISABLE_MIB_LOADING
"P:"
#endif /* DISABLE_MIB_LOADING */
"vx:")) != EOF) {
switch (arg) {
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':
dont_fork = 1;
break;
case 'h':
usage(argv[0]);
break;
case 'H':
do_help = 1;
break;
case 'L':
if (snmp_log_options(optarg, argc, argv) < 0) {
exit(1);
}
break;
#ifndef DISABLE_MIB_LOADING
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;
#endif /* DISABLE_MIB_LOADING */
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;
#ifndef DISABLE_MIB_LOADING
case 'P':
cp = snmp_mib_toggle_options(optarg);
if (cp != NULL) {
fprintf(stderr, "Unknown parser option to -P: %c.\n", *cp);
usage(argv[0]);
}
break;
#endif /* DISABLE_MIB_LOADING */
case 'v':
version();
break;
case 'x':
if (optarg != NULL) {
netsnmp_ds_set_string(NETSNMP_DS_APPLICATION_ID,
NETSNMP_DS_AGENT_X_SOCKET, optarg);
} else {
usage(argv[0]);
}
break;
default:
fprintf(stderr, "invalid option: -%c\n", arg);
usage(argv[0]);
break;
}
}
if (do_help) {
netsnmp_ds_set_boolean(NETSNMP_DS_APPLICATION_ID,
NETSNMP_DS_AGENT_NO_ROOT_ACCESS, 1);
} else {
/* we are a subagent */
netsnmp_ds_set_boolean(NETSNMP_DS_APPLICATION_ID,
NETSNMP_DS_AGENT_ROLE, 1);
if (!dont_fork) {
if (netsnmp_daemonize(1, snmp_stderrlog_status()) != 0)
exit(1);
}
/* initialize tcpip, if necessary */
SOCK_STARTUP;
}
/* Parse file */
m_parse(argv[argc-1]);
/* initialize the agent library */
init_agent(app_name);
/* Initialize SNMP */
init_snmp(app_name);
if (do_help) {
fprintf(stderr, "Configuration directives understood:\n");
read_config_print_usage(" ");
exit(0);
}
/* In case we received a request to stop (kill -TERM or kill -INT) */
netsnmp_running = 1;
#ifdef SIGTERM
signal(SIGTERM, stop_server);
#endif
#ifdef SIGINT
signal(SIGINT, stop_server);
#endif
/* main loop here... */
while(netsnmp_running) {
agent_check_and_process(1);
}
/* at shutdown time */
snmp_shutdown(app_name);
SOCK_CLEANUP;
exit(0);
}
