emu_timer &emu_timer::init(running_machine &machine, timer_expired_delegate callback, void *ptr, bool temporary) { // ensure the entire timer state is clean m_machine = &machine; m_next = NULL; m_prev = NULL; m_callback = callback; m_param = 0; m_ptr = ptr; m_enabled = false; m_temporary = temporary; m_period = attotime::never; m_start = machine.time(); m_expire = attotime::never; m_device = NULL; m_id = 0; // if we're not temporary, register ourselves with the save state system if (!m_temporary) register_save(); // insert into the list machine.scheduler().timer_list_insert(*this); return *this; }
/* * cyclically called to do the aging of the URL mapping table entries * and throw out expired entries. * Also we do the cyclic saving here - if required. */ void register_agemap(void) { int i; time_t t; /* expire old entries */ time(&t); DEBUGC(DBCLASS_BABBLE,"sip_agemap, t=%i",(int)t); for (i=0; i<URLMAP_SIZE; i++) { if ((urlmap[i].active == 1) && (urlmap[i].expires < t)) { DEBUGC(DBCLASS_REG,"cleaned entry:%i %s@%s", i, urlmap[i].masq_url->username, urlmap[i].masq_url->host); urlmap[i].active=0; osip_uri_free(urlmap[i].true_url); osip_uri_free(urlmap[i].masq_url); osip_uri_free(urlmap[i].reg_url); } } /* auto-save of registration table */ if ((configuration.autosave_registrations > 0) && ((last_save + configuration.autosave_registrations) < t)) { register_save(); last_save = t; } return; }
void wswan_state::common_start() { m_ws_bios_bank = auto_alloc_array(machine(), UINT8, 0x10000); memcpy(m_ws_bios_bank + 0xffc0, ws_fake_bios_code, 0x40); register_save(); machine().device<nvram_device>("nvram")->set_base(m_internal_eeprom, INTERNAL_EEPROM_SIZE); if (m_cart->exists()) { // ROM m_maincpu->space(AS_PROGRAM).install_read_handler(0x20000, 0x2ffff, read8_delegate(FUNC(ws_cart_slot_device::read_rom20),(ws_cart_slot_device*)m_cart)); m_maincpu->space(AS_PROGRAM).install_read_handler(0x30000, 0x3ffff, read8_delegate(FUNC(ws_cart_slot_device::read_rom30),(ws_cart_slot_device*)m_cart)); m_maincpu->space(AS_PROGRAM).install_read_handler(0x40000, 0xeffff, read8_delegate(FUNC(ws_cart_slot_device::read_rom40),(ws_cart_slot_device*)m_cart)); // SRAM if (m_cart->get_type() == WS_SRAM) { m_maincpu->space(AS_PROGRAM).install_read_handler(0x10000, 0x1ffff, read8_delegate(FUNC(ws_cart_slot_device::read_ram),(ws_cart_slot_device*)m_cart)); m_maincpu->space(AS_PROGRAM).install_write_handler(0x10000, 0x1ffff, write8_delegate(FUNC(ws_cart_slot_device::write_ram),(ws_cart_slot_device*)m_cart)); } } }
int main (int argc, char *argv[]) { int sts; int i; int buflen; int access; char buff [BUFFER_SIZE]; sip_ticket_t ticket; extern char *optarg; /* Defined in libc getopt and unistd.h */ int ch1; char configfile[64]="siproxd"; /* basename of configfile */ int config_search=1; /* search the config file */ int cmdline_debuglevel=0; char *pidfilename=NULL; struct sigaction act; log_set_stderr(1); /* * setup signal handlers */ act.sa_handler=sighandler; sigemptyset(&act.sa_mask); act.sa_flags=SA_RESTART; if (sigaction(SIGTERM, &act, NULL)) { ERROR("Failed to install SIGTERM handler"); } if (sigaction(SIGINT, &act, NULL)) { ERROR("Failed to install SIGINT handler"); } if (sigaction(SIGUSR2, &act, NULL)) { ERROR("Failed to install SIGUSR2 handler"); } /* * prepare default configuration */ make_default_config(); log_set_pattern(configuration.debuglevel); /* * parse command line */ { #ifdef HAVE_GETOPT_LONG int option_index = 0; static struct option long_options[] = { {"help", no_argument, NULL, 'h'}, {"config", required_argument, NULL, 'c'}, {"debug", required_argument, NULL, 'd'}, {"pid-file", required_argument, NULL,'p'}, {0,0,0,0} }; while ((ch1 = getopt_long(argc, argv, "hc:d:p:", long_options, &option_index)) != -1) { #else /* ! HAVE_GETOPT_LONG */ while ((ch1 = getopt(argc, argv, "hc:d:p:")) != -1) { #endif switch (ch1) { case 'h': /* help */ DEBUGC(DBCLASS_CONFIG,"option: help"); fprintf(stderr,str_helpmsg); exit(0); break; case 'c': /* load config file */ DEBUGC(DBCLASS_CONFIG,"option: config file=%s",optarg); i=sizeof(configfile)-1; strncpy(configfile,optarg,i-1); configfile[i]='\0'; config_search=0; break; case 'd': /* set debug level */ DEBUGC(DBCLASS_CONFIG,"option: set debug level: %s",optarg); cmdline_debuglevel=atoi(optarg); log_set_pattern(cmdline_debuglevel); break; case 'p': pidfilename = optarg; break; default: DEBUGC(DBCLASS_CONFIG,"no command line options"); break; } } } /* * Init stuff */ INFO(PACKAGE"-"VERSION"-"BUILDSTR" "UNAME" starting up"); /* read the config file */ if (read_config(configfile, config_search) == STS_FAILURE) exit(1); /* if a debug level > 0 has been given on the commandline use its value and not what is in the config file */ if (cmdline_debuglevel != 0) { configuration.debuglevel=cmdline_debuglevel; } /* * open a the pwfile instance, so we still have access after * we possibly have chroot()ed to somewhere. */ if (configuration.proxy_auth_pwfile) { siproxd_passwordfile = fopen(configuration.proxy_auth_pwfile, "r"); } else { siproxd_passwordfile = NULL; } /* set debug level as desired */ log_set_pattern(configuration.debuglevel); log_set_listen_port(configuration.debugport); /* change user and group IDs */ secure_enviroment(); /* daemonize if requested to */ if (configuration.daemonize) { DEBUGC(DBCLASS_CONFIG,"daemonizing"); if (fork()!=0) exit(0); setsid(); if (fork()!=0) exit(0); log_set_stderr(0); INFO("daemonized, pid=%i", getpid()); } /* write PID file of main thread */ if (pidfilename == NULL) pidfilename = configuration.pid_file; if (pidfilename) { FILE *pidfile; DEBUGC(DBCLASS_CONFIG,"creating PID file [%s]", pidfilename); sts=unlink(configuration.pid_file); if ((sts==0) ||(errno == ENOENT)) { if ((pidfile=fopen(pidfilename, "w"))) { fprintf(pidfile,"%i\n",(int)getpid()); fclose(pidfile); } else { WARN("couldn't create new PID file: %s", strerror(errno)); } } else { WARN("couldn't delete old PID file: %s", strerror(errno)); } } /* initialize the RTP proxy */ sts=rtpproxy_init(); if (sts != STS_SUCCESS) { ERROR("unable to initialize RTP proxy - aborting"); exit(1); } /* init the oSIP parser */ parser_init(); /* listen for incoming messages */ sts=sipsock_listen(); if (sts == STS_FAILURE) { /* failure to allocate SIP socket... */ ERROR("unable to bind to SIP listening socket - aborting"); exit(1); } /* initialize the registration facility */ register_init(); /* * silence the log - if so required... */ log_set_silence(configuration.silence_log); INFO(PACKAGE"-"VERSION"-"BUILDSTR" "UNAME" started"); /***************************** * Main loop *****************************/ while (!exit_program) { DEBUGC(DBCLASS_BABBLE,"going into sipsock_wait\n"); while (sipsock_wait()<=0) { /* got no input, here by timeout. do aging */ register_agemap(); /* TCP log: check for a connection */ log_tcp_connect(); /* dump memory stats if requested to do so */ if (dmalloc_dump) { dmalloc_dump=0; #ifdef DMALLOC INFO("SIGUSR2 - DMALLOC statistics is dumped"); dmalloc_log_stats(); dmalloc_log_unfreed(); #else INFO("SIGUSR2 - DMALLOC support is not compiled in"); #endif } if (exit_program) goto exit_prg; } /* * got input, process */ DEBUGC(DBCLASS_BABBLE,"back from sipsock_wait"); ticket.direction=0; buflen=sipsock_read(&buff, sizeof(buff)-1, &ticket.from, &ticket.protocol); buff[buflen]='\0'; /* * evaluate the access lists (IP based filter) */ access=accesslist_check(ticket.from); if (access == 0) { DEBUGC(DBCLASS_ACCESS,"access for this packet was denied"); continue; /* there are no resources to free */ } /* * integrity checks */ sts=security_check_raw(buff, buflen); if (sts != STS_SUCCESS) { DEBUGC(DBCLASS_SIP,"security check (raw) failed"); continue; /* there are no resources to free */ } /* * init sip_msg */ sts=osip_message_init(&ticket.sipmsg); ticket.sipmsg->message=NULL; if (sts != 0) { ERROR("osip_message_init() failed... this is not good"); continue; /* skip, there are no resources to free */ } /* * RFC 3261, Section 16.3 step 1 * Proxy Behavior - Request Validation - Reasonable Syntax * (parse the received message) */ sts=sip_message_parse(ticket.sipmsg, buff, buflen); if (sts != 0) { ERROR("sip_message_parse() failed... this is not good"); DUMP_BUFFER(-1, buff, buflen); goto end_loop; /* skip and free resources */ } /* * integrity checks - parsed buffer */ sts=security_check_sip(&ticket); if (sts != STS_SUCCESS) { ERROR("security_check_sip() failed... this is not good"); DUMP_BUFFER(-1, buff, buflen); goto end_loop; /* skip and free resources */ } /* * RFC 3261, Section 16.3 step 2 * Proxy Behavior - Request Validation - URI scheme * (check request URI and refuse with 416 if not understood) */ /* NOT IMPLEMENTED */ /* * RFC 3261, Section 16.3 step 3 * Proxy Behavior - Request Validation - Max-Forwards check * (check Max-Forwards header and refuse with 483 if too many hops) */ { osip_header_t *max_forwards; int forwards_count = DEFAULT_MAXFWD; osip_message_get_max_forwards(ticket.sipmsg, 0, &max_forwards); if (max_forwards && max_forwards->hvalue) { forwards_count = atoi(max_forwards->hvalue); } DEBUGC(DBCLASS_PROXY,"checking Max-Forwards (=%i)",forwards_count); if (forwards_count <= 0) { DEBUGC(DBCLASS_SIP, "Forward count reached 0 -> 483 response"); sip_gen_response(&ticket, 483 /*Too many hops*/); goto end_loop; /* skip and free resources */ } } /* * RFC 3261, Section 16.3 step 4 * Proxy Behavior - Request Validation - Loop Detection check * (check for loop and return 482 if a loop is detected) */ if (check_vialoop(&ticket) == STS_TRUE) { /* make sure we don't end up in endless loop when detecting * an loop in an "loop detected" message - brrr */ if (MSG_IS_RESPONSE(ticket.sipmsg) && MSG_TEST_CODE(ticket.sipmsg, 482)) { DEBUGC(DBCLASS_SIP,"loop in loop-response detected, ignoring"); } else { DEBUGC(DBCLASS_SIP,"via loop detected, ignoring request"); sip_gen_response(&ticket, 482 /*Loop detected*/); } goto end_loop; /* skip and free resources */ } /* * RFC 3261, Section 16.3 step 5 * Proxy Behavior - Request Validation - Proxy-Require check * (check Proxy-Require header and return 420 if unsupported option) */ /* NOT IMPLEMENTED */ /* * RFC 3261, Section 16.5 * Proxy Behavior - Determining Request Targets */ /* NOT IMPLEMENTED */ DEBUGC(DBCLASS_SIP,"received SIP type %s:%s", (MSG_IS_REQUEST(ticket.sipmsg))? "REQ" : "RES", (MSG_IS_REQUEST(ticket.sipmsg) ? ((ticket.sipmsg->sip_method)? ticket.sipmsg->sip_method : "NULL") : ((ticket.sipmsg->reason_phrase) ? ticket.sipmsg->reason_phrase : "NULL"))); /********************************* * The message did pass all the * tests above and is now ready * to be proxied. * Before we do so, we apply some * additional preprocessing *********************************/ /* Dial shortcuts */ if (configuration.pi_shortdial) { sts = plugin_shortdial(&ticket); if (sts == STS_SIP_SENT) goto end_loop; } /********************************* * finally proxy the message. * This includes the masquerading * of the local UA and starting/ * stopping the RTP proxy for this * call *********************************/ /* * if a REQ REGISTER, check if it is directed to myself, * or am I just the outbound proxy but no registrar. * - If I'm the registrar, register & generate answer * - If I'm just the outbound proxy, register, rewrite & forward */ if (MSG_IS_REGISTER(ticket.sipmsg) && MSG_IS_REQUEST(ticket.sipmsg)) { if (access & ACCESSCTL_REG) { osip_uri_t *url; struct in_addr addr1, addr2, addr3; int dest_port; url = osip_message_get_uri(ticket.sipmsg); dest_port= (url->port)?atoi(url->port):SIP_PORT; if ( (get_ip_by_host(url->host, &addr1) == STS_SUCCESS) && (get_interface_ip(IF_INBOUND,&addr2) == STS_SUCCESS) && (get_interface_ip(IF_OUTBOUND,&addr3) == STS_SUCCESS)) { if ((configuration.sip_listen_port == dest_port) && ((memcmp(&addr1, &addr2, sizeof(addr1)) == 0) || (memcmp(&addr1, &addr3, sizeof(addr1)) == 0))) { /* I'm the registrar, send response myself */ sts = register_client(&ticket, 0); sts = register_response(&ticket, sts); } else { /* I'm just the outbound proxy */ DEBUGC(DBCLASS_SIP,"proxying REGISTER request to:%s", url->host); sts = register_client(&ticket, 1); if (sts == STS_SUCCESS) { sts = proxy_request(&ticket); } } } else { sip_gen_response(&ticket, 408 /*request timeout*/); } } else { WARN("non-authorized registration attempt from %s", utils_inet_ntoa(ticket.from.sin_addr)); } /* * check if outbound interface is UP. * If not, send back error to UA and * skip any proxying attempt */ } else if (get_interface_ip(IF_OUTBOUND,NULL) != STS_SUCCESS) { DEBUGC(DBCLASS_SIP, "got a %s to proxy, but outbound interface " "is down", (MSG_IS_REQUEST(ticket.sipmsg))? "REQ" : "RES"); if (MSG_IS_REQUEST(ticket.sipmsg)) sip_gen_response(&ticket, 408 /*request timeout*/); /* * MSG is a request, add current via entry, * do a lookup in the URLMAP table and * send to the final destination */ } else if (MSG_IS_REQUEST(ticket.sipmsg)) { if (access & ACCESSCTL_SIP) { sts = proxy_request(&ticket); } else { INFO("non-authorized request received from %s", utils_inet_ntoa(ticket.from.sin_addr)); } /* * MSG is a response, remove current via and * send to the next VIA in chain */ } else if (MSG_IS_RESPONSE(ticket.sipmsg)) { if (access & ACCESSCTL_SIP) { sts = proxy_response(&ticket); } else { INFO("non-authorized response received from %s", utils_inet_ntoa(ticket.from.sin_addr)); } /* * unsupported message */ } else { ERROR("received unsupported SIP type %s %s", (MSG_IS_REQUEST(ticket.sipmsg))? "REQ" : "RES", ticket.sipmsg->sip_method); } /********************************* * Done with proxying. Message * has been sent to its destination. *********************************/ /* * free the SIP message buffers */ end_loop: osip_message_free(ticket.sipmsg); } /* while TRUE */ exit_prg: /* save current known SIP registrations */ register_save(); INFO("properly terminating siproxd"); /* remove PID file */ if (pidfilename) { DEBUGC(DBCLASS_CONFIG,"deleting PID file [%s]", pidfilename); sts=unlink(pidfilename); if (sts != 0) { WARN("couldn't delete old PID file: %s", strerror(errno)); } } /* END */ return 0; } /* main */ /* * Signal handler * * this one is called asynchronously whevener a registered * signal is applied. Just set a flag and don't do any funny * things here. */ static void sighandler(int sig) { if (sig==SIGTERM) exit_program=1; if (sig==SIGINT) exit_program=1; if (sig==SIGUSR2) dmalloc_dump=1; return; }