static int
nl_init_mib(lua_State *L) {
register_mib_handlers();
read_premib_configs();
read_configs();
init_snmp("lua_snmp");
lua_pushnil(L);
return 1;
}
int
main(int argc, char *argv[])
{
int arg,i;
int ret;
u_short dest_port = 161;
int dont_fork = 0, dont_zero_log = 0;
char logfile[300];
char *cptr, **argvptr;
logfile[0] = 0;
optconfigfile = NULL;
dontReadConfigFiles = 0;
#ifdef LOGFILE
strcpy(logfile,LOGFILE);
#endif
/*
* usage: snmpd
*/
for(arg = 1; arg < argc; arg++){
if (argv[arg][0] == '-'){
switch(argv[arg][1]){
case 'c':
if (++arg == argc) usage(argv[0]);
optconfigfile = strdup(argv[arg]);
break;
case 'C':
dontReadConfigFiles = 1;
break;
case 'd':
snmp_dump_packet++;
verbose = 1;
break;
case 'q':
snmp_set_quick_print(1);
break;
case 'D':
debug_register_tokens(&argv[arg][2]);
snmp_set_do_debugging(1);
break;
case 'p':
if (++arg == argc) usage(argv[0]);
dest_port = atoi(argv[arg]);
if (dest_port <= 0) usage(argv[0]);
break;
case 'a':
log_addresses++;
break;
case 'V':
verbose = 1;
break;
case 'f':
dont_fork = 1;
break;
case 'l':
if (++arg == argc) usage(argv[0]);
strcpy(logfile,argv[arg]);
break;
case 'L':
logfile[0] = 0;
break;
case 'A':
dont_zero_log = 1;
break;
case 'h':
usage(argv[0]);
break;
case 'H':
init_agent(); /* register our .conf handlers */
#ifdef HAVE_MIB
register_mib_handlers(); /* snmplib .conf handlers */
#endif
fprintf(stderr, "Configuration directives understood:\n");
read_config_print_usage(" ");
break;
case 'v':
printf("\nUCD-snmp version: %s\n",VersionInfo);
printf("Author: Wes Hardaker\n");
printf("Email: [email protected]\n\n");
exit (0);
case '-':
switch(argv[arg][2]){
case 'v':
printf("\nUCD-snmp version: %s\n",VersionInfo);
printf("Author: Wes Hardaker\n");
printf("Email: [email protected]\n\n");
exit (0);
case 'h':
usage(argv[0]);
exit(0);
}
default:
printf("invalid option: %s\n", argv[arg]);
usage(argv[0]);
break;
}
continue;
}
}
/* initialize a argv set to the current for restarting the agent */
argvrestartp = (char **) malloc((argc+2) * sizeof (char *));
argvptr = argvrestartp;
for(i=0, ret = 1; i < argc; i++) {
ret += strlen(argv[i])+1;
}
argvrestart = (char *) malloc((ret));
argvrestartname = (char *) malloc(strlen(argv[0])+1);
strcpy(argvrestartname,argv[0]);
for(cptr = argvrestart,i = 0; i < argc; i++) {
strcpy(cptr,argv[i]);
*(argvptr++) = cptr;
cptr += strlen(argv[i]) + 1;
}
*cptr = 0;
*argvptr = NULL;
/* open the logfile if necessary */
if (logfile[0]) {
close(1);
open(logfile,O_WRONLY|O_CREAT| ((dont_zero_log) ? O_APPEND : O_TRUNC),
0644);
close(2);
dup(1);
close(0);
}
#ifdef USE_LIBWRAP
openlog("snmpd", LOG_CONS, LOG_AUTH|LOG_INFO);
#endif
setvbuf (stdout, NULL, _IOLBF, BUFSIZ);
printf ("%s UCD-SNMP version %s\n", sprintf_stamp (NULL), VersionInfo);
if (!dont_fork && fork() != 0) /* detach from shell */
exit(0);
init_agent(); /* register our .conf handlers */
#ifdef HAVE_MIB
register_mib_handlers(); /* snmplib .conf handlers */
read_premib_configs(); /* read pre-mib-reading .conf handlers */
init_mib(); /* initialize the mib structures */
#endif
update_config(0); /* read in config files and register HUP */
#ifdef PERSISTENTFILE
/* read in the persistent information cache */
read_config_with_type(PERSISTENTFILE, "snmpd");
unlink(PERSISTENTFILE); /* nuke it now that we've read it */
#endif
#ifdef HAVE_SNMP2P
init_snmp2p( dest_port );
#endif
printf("Opening port(s): ");
fflush(stdout);
if (( ret = open_port( dest_port )) > 0 )
sd_handlers[ret-1] = snmp_read_packet; /* Save pointer to function */
#ifdef HAVE_SNMP2P
open_ports_snmp2p( );
#endif
printf("\n");
fflush(stdout);
/* get current time (ie, the time the agent started) */
gettimeofday(&starttime, NULL);
starttime.tv_sec--;
starttime.tv_usec += 1000000L;
/* send coldstart trap via snmptrap(1) if possible */
send_easy_trap (0, 0);
signal(SIGTERM, SnmpdShutDown);
signal(SIGINT, SnmpdShutDown);
memset(addrCache, 0, sizeof(addrCache));
receive(sdlist);
#include "mib_module_shutdown.h"
DEBUGMSGTL(("snmpd", "sending shutdown trap\n"));
SnmpTrapNodeDown();
DEBUGMSGTL(("snmpd", "Bye...\n"));
return 0;
}
