static void cfgopt_load_value(cfgopt_t *cfg, char *value){
if(!value) return;
switch(cfg->type){
case CONFIG_STR: {
cfg->val.str = strdup(value);
break;
}
case CONFIG_DEC:
case CONFIG_OCT: {
int base = cfg->type == CONFIG_DEC ? 0 : 8;
if(!cfg->val.num) NEW0(cfg->val.num);
*cfg->val.num = strtoul(value, NULL, base);
break;
}
case CONFIG_BOOL: {
if(!cfg->val.boolean) NEW0(cfg->val.boolean);
*cfg->val.boolean = (bool) strtoul(value, NULL, 0);
break;
}
case CONFIG_IP: {
char *ip;
MALLOC(ip, 4);
if(scan_ip4(value, ip) == 0)
ERROR("invalid IPv4 literal: %s", value);
cfg->val.ip = ip;
break;
}
case CONFIG_IP6: {
char *ip6;
MALLOC(ip6, 16);
if(scan_ip6(value, ip6) == 0)
ERROR("invalid IPv6 literal: %s", value);
cfg->val.ip6 = ip6;
break;
}
case CONFIG_MAC: {
char *mac;
MALLOC(mac, 6);
if(scan_mac(value, mac) != 6)
ERROR("invalid MAC literal: %s", value);
cfg->val.mac = mac;
break;
}
case CONFIG_NONOPT: {
if(!cfg->val.nonopt){
cfg->val.nonopt = strdup(value);
}else{
size_t new_size = 2 + strlen(cfg->val.nonopt) + strlen(value);
REALLOC(cfg->val.nonopt, new_size);
strcat(cfg->val.nonopt, " ");
strcat(cfg->val.nonopt, value);
}
break;
}
default:
ERROR("invalid configuration type %d", (int) cfg->type);
}
}
int main( int argc, char **argv ) {
struct passwd *pws = NULL;
char serverip[4] = {0,0,0,0}, tmpip[4];
char *serverdir = ".";
int bound = 0, scanon = 1;
#ifdef WANT_ACCESS_CONTROL
char *accesslist_filename = NULL;
#endif
while( scanon ) {
switch( getopt( argc, argv, ":i:p:A:P:d:r:v"
#ifdef WANT_BLACKLISTING
"b:"
#elif defined( WANT_CLOSED_TRACKER )
"w:"
#endif
"h" ) ) {
case -1 : scanon = 0; break;
case 'i': scan_ip4( optarg, serverip ); break;
#ifdef WANT_BLACKLISTING
case 'b': accesslist_filename = optarg; break;
#elif defined( WANT_CLOSED_TRACKER )
case 'w': accesslist_filename = optarg; break;
#endif
case 'p': ot_try_bind( serverip, (uint16)atol( optarg ), 1 ); bound++; break;
case 'P': ot_try_bind( serverip, (uint16)atol( optarg ), 0 ); bound++; break;
case 'd': serverdir = optarg; break;
case 'r': g_redirecturl = optarg; break;
case 'A':
scan_ip4( optarg, tmpip );
accesslist_blessip( tmpip, 0xffff ); /* Allow everything for now */
break;
case 'h': help( argv[0] ); exit( 0 );
case 'v': write( 2, static_inbuf, stats_return_tracker_version( static_inbuf )); exit( 0 );
default:
case '?': usage( argv[0] ); exit( 1 );
}
}
/* Bind to our default tcp/udp ports */
if( !bound) {
ot_try_bind( serverip, 6969, 1 );
ot_try_bind( serverip, 6969, 0 );
}
/* Drop permissions */
pws = getpwnam( "nobody" );
if( !pws ) {
setegid( (gid_t)-2 ); setuid( (uid_t)-2 );
setgid( (gid_t)-2 ); seteuid( (uid_t)-2 );
} else {
setegid( pws->pw_gid ); setuid( pws->pw_uid );
setgid( pws->pw_gid ); seteuid( pws->pw_uid );
}
endpwent();
accesslist_init( accesslist_filename );
signal( SIGPIPE, SIG_IGN );
signal( SIGINT, signal_handler );
signal( SIGALRM, signal_handler );
g_now = time( NULL );
if( trackerlogic_init( serverdir ) == -1 )
panic( "Logic not started" );
alarm(5);
server_mainloop( );
return 0;
}
