cowmain.c

#include <setjmp.h>
#include "config.h"
#include "copyright.h"

#include INC_MACHINE_ENDIAN

#include <stdio.h>
#include INC_STRINGS
#include <unistd.h>
#include <stdlib.h>
#include <sys/types.h>
#include <signal.h>
#include <pwd.h>
#include <time.h>
#include INC_SYS_TIME
#include INC_SYS_WAIT
#include INC_SYS_RESOURCE
#include INC_SYS_SELECT

#include "Wlib.h"
#include "defs.h"
#include "struct.h"
#include "data.h"
#include "packets.h"
#include "version.h"
#include "patchlevel.h"

#include "censor.h"
#include "check.h"
#include "defaults.h"
#include "dmessage.h"
#include "enter.h"
#include "feature.h"
#include "findslot.h"
#include "getname.h"
#include "getship.h"
#include "input.h"
#include "lagmeter.h"
#include "map.h"
#include "newwin.h"
#include "ping.h"
#include "pingstats.h"
#include "playerlist.h"
#include "parsemeta.h"
#include "short.h"
#include "smessage.h"
#include "socket.h"
#include "stats.h"
#include "warning.h"

#include "cowmain.h"

int     takeNearest = 0;

extern char cflags[], arch[], cdate[], cbugs[], cowid[], cwho[];

jmp_buf env;
int     isFirstEntry;

#define RETURNBASE 10
void    terminate(int error);


#ifdef IGNORE_SIGNALS_SEGV_BUS
int     died_from_signal = 0;
RETSIGTYPE reset_game(int);

#endif

#ifdef GATEWAY
/*-----------------------------------------------------------*/

/* IMPORTANT IMPORTANT IMPORTANT IMPORTANT IMPORTANT IMPORTANT IMPORTANT
 * 
 * Set MYADDR and MYADDR_MASK to however much of the address is significant. For
 * example, I want to restrict the use of my clients to the 129.212 subnet
 * (all machines within Amdahl), so I set MYADDR=0x81d40000, and MYADDR_MASK
 * to be 0xffff0000.  The host's address will be ANDed with the mask and then
 * compared to MYADDR.
 * 
 * If you only want your client to be run on your host, then you'd use all eight
 * bytes. */
#define MYADDR          0x81d40000
#define MYADDR_MASK     0xffff0000

/* we want these for the client subnet validation */
#include <sys/socket.h>
#include INC_NETINET_IN
#include INC_NETINET_TCP
#include <netdb.h>

extern char *getenv();
char   *home, homedot[256];

#define DEFAULT_GATEWAY         "rebel"

#ifdef WHAT_THE_FUCK
char   *get_gw();

#endif
unsigned LONG mkaddr();

unsigned LONG netaddr; /* used for blessedness checking */
int     serv_port; /* used for blessedness checking */

char *gateway = DEFAULT_GATEWAY;

#ifdef TREKHOPD
static int trekhopd_port = 6592;
int     use_trekhopd = 0;
int     port_req = 6592;
char   *host_req = "rebel";
#endif

typedef struct
  {
    char    id[16];
    char    inet_addr[24];
    int     remote_port;
    int     gw_port;
    char    full_name[64];
    char    comment[40];
  }

SERVER_LIST;

#define MAX_SERVER      128
static SERVER_LIST servers[MAX_SERVER];		 /* that ought to be enough */

#define SERVER_DIR      "/usr/local/games/"
#define SERVER_FILE     ".trekgwrc"
static int server_count = 0;

#define WSPC    " \t"


unsigned LONG
        strToNetaddr(str)
char   *str;
{
  SERVER_LIST *slp;
  char   *t;
  unsigned LONG answer;
  int     i;

  if (!server_count)
    {
      fprintf(stderr, "No server list, cannot resolve id\n");
      return -1;
    }

  /* find the one we want */
  for (i = 0, slp = servers; i < server_count; i++, slp++)
    {
      if (!strcmp(str, slp->id))
	{
	  printf("%s is %s(%d) (%s)\n", slp->id, slp->full_name,
		 slp->remote_port, slp->comment);
	  xtrekPort = slp->gw_port;
	  str = slp->inet_addr;
	  break;
	}
    }
  if (i == server_count)
    {
      fprintf(stderr, "Specified server not found.\n");
      return -1;
    }

  /* now "str" is either the original string or slp->inet_addr */
  /* (this will be wrong if -H isn't last on command line) */
  answer = 0;
  t = str;
  for (i = 0; i < 4; i++)
    {
      answer = (answer << 8) | atoi(t);
      while (*t && *t != '.')
	t++;
      if (*t)
	t++;
    }

#ifdef TREKHOPD
  /* do things slightly different */
  if (slp->id == NULL)
    {
      fprintf(stderr, "ERROR: host ID '%s' unknown\n", str);
      return -1;
    }
  xtrekPort = trekhopd_port;			 /* ought to have an arg to * 
						  * 
						  * * specify this */
  port_req = slp->remote_port;
  host_req = slp->full_name;
  printf("Connecting to %s (%d) via trekhopd (%s %d)\n", host_req,
	 port_req, serverName, xtrekPort);
#else
  printf("Connecting to %s through %s port %d\n", str, serverName, xtrekPort);
#endif

  return answer;
}


/* for trekhopd, only gw_local_port is important */
/* (should be possible to eliminate that too, but I want minimal changes) */
typedef struct
{
  int     uid;
  int     serv_port;
  int     port;
  int     local_port;
}

UDPMAP;

#define MAX_UDPMAP      32
static UDPMAP udpmap[MAX_UDPMAP];
static int map_count;

getUdpPort()
{
  int     i;
  uid_t   uid;
  char   *gw_m, *gw_p, *gw_lp, *gw_sp, *err, *getenv();

  /* should always be set prior, but in case not .. */
  if (!gw_mach)
    {
      gw_m = getenv("GW_MACH");
      if (gw_m)
	gw_mach = gw_m;
      else
	gw_mach = gateway;
    }

  uid = getuid();

  for (i = 0; i < map_count; i++)
    {
      if (uid == udpmap[i].uid)
	{
	  gw_serv_port = udpmap[i].serv_port;
	  gw_port = udpmap[i].port;
	  gw_local_port = udpmap[i].local_port;
	  return;
	}
    }
  printf("unable to get ports for your uid\n");	 /* debug */

  gw_p = getenv("GW_PORT");
  gw_sp = getenv("GW_SPORT");
  gw_lp = getenv("GW_LPORT");

  if (gw_p)
    {
      gw_port = strtol(gw_p, &err, 10);
      if (err == gw_p)
	{
	  fprintf(stderr, "netrek: malformed integer for GW_PORT: %s\n",
		  gw_p);
	  /* let something else complain about port 0 */
	}
    }
  else
    gw_port = 5001;
  if (gw_sp)
    {
      gw_serv_port = strtol(gw_sp, &err, 10);
      if (err == gw_sp)
	{
	  fprintf(stderr, "netrek: malformed integer for GW_SPORT: %s\n",
		  gw_sp);
	  /* let something else complain about port 0 */
	}
    }
  else
    gw_serv_port = 5000;

  if (gw_lp)
    {
      gw_local_port = strtol(gw_lp, &err, 10);
      if (err == gw_lp)
	{
	  fprintf(stderr, "netrek: malformed integer for GW_LPORT: %s\n",
		  gw_lp);
	  /* let something else complain about port 0 */
	}
    }
  else
    gw_local_port = 5000;

  /* printf("gw_mach: \'%s\'\n", gw_mach); printf("gw_local_port: %d\n", * *
   * gw_local_port); printf("gw_serv_port: %d\n", gw_serv_port); * *
   * printf("gw_port: %d\n", gw_port); */
}

/* In the event of problems assiocated with the above include files the
 * following routine can be alternately used to convert a string
 * ("xxx.xxx.xxx.xxx") to an internet address number. */

#ifdef notneeded
unsigned LONG
        dotAddrToNetAddr(str)

char   *str;
{
  char   *t;
  unsigned LONG answer = 0;

  t = str;
  for (i = 0; i < 4; i++)
    {
      answer = (answer << 8) | atoi(t);
      while (*t && *t != '.')
	t++;
      if (*t)
	t++;
    }
  return answer;
}
#endif

/* More network "correct" routine */

unsigned LONG
        mkaddr(m)

char   *m;
{
  struct in_addr ad;
  struct hostent *hp;

  hp = gethostbyname(m);
  if (!hp)
    {
      ad.s_addr = inet_addr(m);
      if (ad.s_addr == -1)
	{
	  fprintf(stderr, "netrek: unknown host \'%s\'\n", m);
	  terminate(1);
	}
    }
  else
    MCOPY(hp->h_addr, (char *) &ad, hp->h_length);

  return ad.s_addr;
}

#ifdef WHAT_THE_FUCK
char   *
        get_gw()
{
  char   *gw_m;

  gw_m = getenv("GW_MACH");
  if (gw_m)
    gw_mach = gw_m;
  else
    gw_mach = gateway;

  return gw_mach;
}
#endif

/* This is not very robust. */
void
        read_servers()
{
  FILE   *fp;
  SERVER_LIST *slp;
  UDPMAP *ump;
  char    buf[128];
  int     state;
  char   *cp;

  server_count = map_count = 0;

  fp = NULL;
  if (getenv("HOME") != NULL)
    {
      STRNCPY(homedot, getenv("HOME"), sizeof(homedot));
      strcat(homedot, "/");
      strcat(homedot, SERVER_FILE);
      fp = fopen(homedot, "r");
    }
  if (fp == NULL)
    {
      /* failed, try common one */
      STRNCPY(buf, SERVER_DIR, sizeof(SERVER_DIR));
      STRNCPY(buf, SERVER_FILE, sizeof(SERVER_FILE));
      fp = fopen(buf, "r");
    }
  if (fp == NULL)
    {
      /* failed, try current directory */
      fp = fopen(SERVER_FILE, "r");
    }
  if (fp == NULL)
    {
      /* failed, give up */
      perror("warning: Unable to open server list");
      fprintf(stderr, "Tried to open '%s', '%s', and './%s'\n",
	      homedot, buf, SERVER_FILE);
      return;
    }

  state = 0;
  while (1)
    {
      fgets(buf, 128, fp);
      if (ferror(fp) || feof(fp))
	{
	  if (ferror(fp))
	    perror("fgets");
	  break;
	}

      /* skip blank lines and lines which start with '#' */
      if (*buf == '\0' || *buf == '\n' || *buf == '#')
	continue;
      buf[strlen(buf) - 1] = '\0';		 /* strip the trailing '\n' */

      switch (state)
	{
	case 0:				 /* "trekhopd" or "gw" */

#ifdef TREKHOPD
	  use_trekhopd = 0;
	  if (!strcmp(buf, "trekhopd"))
	    use_trekhopd = 1;
#endif

	  state++;
	  break;
	case 1:				 /* gateway host */
	  gateway = (char *) malloc(strlen(buf) + 1);
	  strcpy(gateway, buf);
	  state++;
	  break;
	case 2:				 /* trekhopd port */
	  trekhopd_port = atoi(buf);
	  state++;
	  break;
	case 3:				 /* UDP map */
	  if (!strcmp(buf, "END"))
	    {
	      state++;
	      break;
	    }
	  if (map_count >= MAX_UDPMAP)
	    {
	      fprintf(stderr, "UDP map too large; max is %d entries\n",
		      MAX_UDPMAP);
	      break;
	    }
	  ump = &udpmap[map_count];
	  cp = strtok(buf, WSPC);		 /* skip ascii uid */
	  cp = strtok(NULL, WSPC);
	  ump->uid = atoi(cp);
	  cp = strtok(NULL, WSPC);
	  ump->serv_port = atoi(cp);
	  cp = strtok(NULL, WSPC);
	  ump->port = atoi(cp);
	  cp = strtok(NULL, WSPC);
	  ump->local_port = atoi(cp);

#ifdef DEBUG
	  printf("%2d: %-8d %-8d %-8d %-8d\n", map_count,
		 ump->uid, ump->serv_port, ump->port, ump->local_port);
#endif

	  map_count++;
	  break;

	case 4:				 /* host description */
	  if (!strcmp(buf, "END"))
	    {
	      state++;
	      break;
	    }
	  if (server_count >= MAX_SERVER)
	    {
	      fprintf(stderr, "server list too large; max is %d entries\n",
		      MAX_SERVER);
	      break;
	    }
	  slp = &servers[server_count];
	  cp = strtok(buf, WSPC);
	  STRNCPY(slp->id, cp, sizeof(slp->id));
	  cp = strtok(NULL, WSPC);
	  STRNCPY(slp->inet_addr, cp, sizeof(slp->inet_addr));
	  cp = strtok(NULL, WSPC);
	  slp->remote_port = atoi(cp);
	  cp = strtok(NULL, WSPC);
	  slp->gw_port = atoi(cp);
	  cp = strtok(NULL, WSPC);
	  STRNCPY(slp->full_name, cp, sizeof(slp->full_name));
	  cp = strtok(NULL, "\"\t");
	  STRNCPY(slp->comment, cp, sizeof(slp->comment));

#ifdef DEBUG
	  printf("%2d: %-9s %-15s %-5d %-5d %-25s \"%s\"\n", server_count,
		 slp->id, slp->inet_addr, slp->remote_port, slp->gw_port,
		 slp->full_name, slp->comment);
#endif

	  server_count++;
	  break;
	case 5:				 /* all done! */
	  break;
	default:
	  fprintf(stderr, "Whoops!\n");
	  terminate(2);
	}
    }

  fclose(fp);
}
#endif	/* GATEWAY */ /* end of gateway-specific mass */

/* ------------------------------------------------------------------------- */

char    defaulttmp[100];
RETSIGTYPE handle_exception(int);

#ifdef PACKET_LOG
extern int log_packets;

#endif

char   *
        query_cowid(void)
{
  return cowid;
}

/* Variables passing Optional Arguments to cowmain */

char   *deffile = NULL;
char   *recordFileName = NULL;
char   *logFileName = NULL;
char   *display_host = NULL;
int     passive = 0;				 /* whether -s specified on

						  * 
						  * * commandline */
int     checking = 0;				 /* whether -c specified on

						  * 
						  * * commandline */

#ifdef META
int     usemeta = 0;
#define DEFAULT_METATYPE 1

#endif

int     cowmain(char *server, int port, char *name)
{
  int     team, s_type;

  char   *cp;
  char    buf[80];
  struct passwd *pwent;

  int     i;

  i = setjmp(env);				 /* Error while initializing */
  if (i >= RETURNBASE)
    return i - RETURNBASE;			 /* Terminate with retcode */

#ifdef GATEWAY
  /* restrict this client to certain machines */
  {
    struct sockaddr_in saddr;
    struct hostent *hp;
    char    myname[64];
    LONG    myaddr;

    if (gethostname(myname, 64) < 0)
      {
	perror("gethostname");
	return 1;
      }
    if ((myaddr = inet_addr(myname)) == -1)
      {
	if ((hp = gethostbyname(myname)) == NULL)
	  {
	    fprintf(stderr, "unable to get addr for local host\n");
	    return 1;
	  }
	myaddr = *(LONG *) hp->h_addr;
      }

    /* printf("myname = '%s', myaddr = 0x%.8lx\n", myname, myaddr); */
    if ((myaddr & MYADDR_MASK) != MYADDR)
      {
	fprintf(stderr, "Sorry, you may not run this client on this host\n");
	return 1;
      }
  }
#endif

#ifdef GATEWAY
  read_servers();
  serverName = gateway;
#endif

  pseudo[0] = defpasswd[0] = '\0';

#ifdef RECORDGAME
  if (recordFileName != NULL)
    {
      recordFile = fopen(recordFileName, "wb");
      if (recordFile == NULL)
	{
	  perror(recordFileName);
	  return 1;

	}
    }
#endif

  if (logFileName != NULL)
    {
      logFile = fopen(logFileName, "a");
      if (logFile == NULL)
	{
	  perror(logFileName);
	  return 1;
	}
    }
  for (i = 0; i < 80; i++)
    {
      outmessage[i] = '\0';
    }

#ifndef DEBUG
  (void) SIGNAL(SIGFPE, handle_exception);
#endif

  SRANDOM(time(0));

  initDefaults(deffile);
  identityBlind = booleanDefault("identityBlind", identityBlind);
  versionHide = booleanDefault("versionHide", versionHide);

  xtrekPort = port;
  if (server)
    {
      if (xtrekPort < 0)
	{
	  sprintf(defaulttmp, "port.%s", server);
	  xtrekPort = intDefault(defaulttmp, -1);
	  if (checking)
	    xtrekPort = xtrekPort - 1;
	}
      sprintf(defaulttmp, "server.%s", server);	 /* check for "abbreviation" */
      serverName = getdefault(defaulttmp);
      if (!serverName)				 /* no abbreviation found */
	serverName = server;
    }

  SRANDOM(getpid() * time(NULL));

  if (!passive)
    {
      if (!serverName)
	serverName = getdefault("server");

      if (!serverName)

#ifdef META
	if (!usemeta)
	  {
	    fprintf(stderr, "using metaserver\n");
	    usemeta = 1;
	  }
#else
      printf("No server name was given. Please put a default server in\n");
      printf("your .xtrekrc file or specify the server in the command line.\n");
      terminate(1);
#endif
    }

  if (xtrekPort < 0)
    {
      xtrekPort = intDefault("port", DEFAULT_PORT);
      if (checking)
	xtrekPort = xtrekPort - 1;
    }
  if (checking)
    check();

  if (!logFileName)
    logFileName = getdefault("logfile");
  if (logFileName != NULL)
    {
      logFile = fopen(logFileName, "a");
      if (logFile == NULL)
	{
	  perror(logFileName);
	  return 1;
	}
    }

#ifdef META
  if (usemeta)
    {
      newwinmeta(display_host, name);
      parsemeta();
      metawindow();
      metainput(); /* calls terminate() on quit, may fork(2) */
    }
#endif

  newwin(display_host, name);
  resetdefaults();

#if defined(SOUND) && (defined(HAVE_SDL) || defined(sgi))
    Init_Sound();
#endif

  if (censorMessages)
    initCensoring();

  /* open memory...? */
  openmem();

#ifdef GATEWAY
  /* pick a nice set of UDP ports */
  getUdpPort();
#endif

  cp = getdefault("login");
  if (cp == NULL) {
    if ((pwent = getpwuid(getuid())) != NULL)
      cp = pwent->pw_name;
    else
      cp = "Bozo";
  }
  (void) STRNCPY(login, cp, sizeof(login));
  login[sizeof(login) - 1] = '\0';

  if (fastGuest) strcpy(pseudo, "guest");
  else if (pseudo[0] == '\0')
    {
      if ((cp = getdefault("name")) != 0)
	(void) STRNCPY(pseudo, cp, sizeof(pseudo));
      else
	(void) STRNCPY(pseudo, login, sizeof(pseudo));
    }
  pseudo[sizeof(pseudo) - 1] = '\0';

  if (fastGuest) strcpy(defpasswd, "guest");
  else if (defpasswd[0] == '\0')
    if ((cp = getdefault("password")) != 0)
      (void) STRNCPY(defpasswd, cp, sizeof(defpasswd));
  defpasswd[sizeof(defpasswd) - 1] = '\0';

  if (!passive)
    {
      callServer(xtrekPort, serverName);
    }
  else
    {
      connectToServer(xtrekPort);
    }

#ifdef FEATURE_PACKETS
  sendFeature("FEATURE_PACKETS", 'S', 1, 0, 0);
#endif

  findslot();

  lastm = mctl->mc_current;

  mapAll();

#ifndef RWATCH
  getname(pseudo, defpasswd);
#else
  MZERO(mystats, sizeof(mystats));
  mystats->st_tticks = 1;
  mystats->st_flags = ST_MAPMODE + ST_NAMEMODE + ST_SHOWSHIELDS +
      ST_KEEPPEACE + ST_SHOWLOCAL * 2 + ST_SHOWGLOBAL * 2;
#endif /* RWATCH */

  loggedIn = 1;
  phaserWindow = booleanDefault("phaserWindow", phaserWindow);

#ifdef AUTOKEY
  /* autokey.c */
  autoKeyDefaults();
#endif /* AUTOKEY */

  initkeymap();
  sendOptionsPacket();

  /* Set p_hostile to hostile, so if keeppeace is on, the guy starts off * *
   * hating everyone (like a good fighter should) */
  me->p_hostile = (FED | ROM | KLI | ORI);

  if (!newDashboard)
    {
      sprintf(buf,
	   "Maximum:      %2d  %3d %3d               %3d   %6d   %3d   %3d",
	      0, 0, 0, 0, 0, 0, 0);
      W_WriteText(tstatw, 50, 27, textColor, buf, strlen(buf), W_RegularFont);
    }
  me->p_planets = 0;
  me->p_genoplanets = 0;
  me->p_armsbomb = 0;
  me->p_genoarmsbomb = 0;
  /* Set up a reasonable default */

#ifndef RWATCH
  me->p_whydead = KQUIT;
  me->p_team = ALLTEAM;
  s_type = CRUISER;
#endif /* RWATCH */

  startPing();					 /* support ping stuff */

#ifdef AUTOKEY
  if (autoKey)
    {
      /* XX: changes entire state of display */
      W_AutoRepeatOff();
    }
#endif

  /* Moved SDL sound initialization to right after readdefaults() so
   * the intro can start playing ASAP 
   */
#if defined(SOUND) && !defined(HAVE_SDL) && !defined(sgi)
  Init_Sound();
#endif

  isFirstEntry = 1;				 /* First entry into game */

  i = setjmp(env);				 /* Reentry point of game */
  if (i >= RETURNBASE) {
    W_FullScreenOff(baseWin);
    W_Flush();
    return i - RETURNBASE;			 /* Terminate with retcode */
  }


#ifdef IGNORE_SIGNALS_SEGV_BUS
  if (ignore_signals)
    {
      (void) SIGNAL(SIGBUS, reset_game);
      (void) SIGNAL(SIGSEGV, reset_game);
    }

  if (died_from_signal)
    {
      died_from_signal = 0;
      input();
    }
  else
    {
#endif

#if defined(SOUND)
#if defined(sgi)
      Engine_Sound(ENG_OFF);			/* turn off engine sound */
#else
      /* text in sound.c:soundrefresh() says engine sound is not supported
      Abort_Sound(ENGINE_SOUND); */
#endif
#endif

      /* give the player the motd and find out which team he wants */

#ifndef RWATCH
      /* check if this dude is trying to resume a ghostbust slot */
      if (ghoststart)
	{
	  char   *getteam = "IFR K   O";
	  int     i;

	  ghoststart = 0;

	  for (i = 0; i < 9; i++)
	    if (getteam[i] == me->p_mapchars[0])
	      break;

	  me->p_team = i;

	  if (me->p_damage > me->p_ship.s_maxdamage)
	    {
	      me->p_status = POUTFIT;
	      entrywindow(&team, &s_type);
	    }
	  else
	    me->p_status = PALIVE;

	}
      else
	{
	  /* give the player the motd and find out which team he wants */
	  entrywindow(&team, &s_type);
	}


      if (team == -1)
	{
	  W_FullScreenOff(baseWin);
	  W_Flush();
	  W_DestroyWindow(baseWin);

#ifdef AUTOKEY
	  if (autoKey)
	    W_AutoRepeatOn();
#endif

	  sendByeReq();

	  fprintf(stderr, "you quit\n");

#if defined(SOUND)
	  Exit_Sound();
#endif
	  if (logFile != NULL)
	    fclose(logFile);

#ifdef PACKET_LOG
	  if (log_packets)
	    Dump_Packet_Log_Info();
#endif

	  return 0;


	}
#endif /* RWATCH */

      {
	char    buf[80];
	if (me->p_stats.st_rank < nranks) {
	  sprintf(buf, "Welcome aboard %s!", ranks[me->p_stats.st_rank].name);
	} else {
	  sprintf(buf, "Welcome aboard!");
	}
	warning(buf);
	W_ClearArea(messagew, 5, 5, W_Textwidth * 80, W_Textheight);
      }

      sendVersion();
      getship(myship, myship->s_type);

      redrawall = 2;

      shipchange(s_type);
      enter();
      calibrate_stats();
      W_ClearWindow(w);
      /* for (i = 0; i < NSIG; i++) { (void) SIGNAL(i, SIG_IGN); } */

      me->p_flags &= ~(PFYELLOW | PFRED | PFENG);	/* Reset flags to avoid sounds */
      me->p_flags |= PFGREEN | PFSHIELD;		/* ... from previous alerts */
      me->p_status = PALIVE;				/* Put player in game */

      PlistNoteUpdate(me->p_no);

      if (showStats)				 /* Default showstats are on. 
						  * 
						  */
	W_MapWindow(statwin);

      if (W_IsMapped(lMeter))
	redrawLMeter();

      if (W_IsMapped(pStats))			 /* support ping stuff */
	redrawPStats();

      if (isFirstEntry)
	{
	  if (tryUdp && commMode != COMM_UDP)
	    sendUdpReq(COMM_UDP);

#ifdef SHORT_PACKETS				 /* should we be checking for
						  * * * udp on here? */
	  if (tryShort)
	    sendShortReq(SPK_VON);
	  else
	    {
	      /* 
	       * If tryShort is true, we get an automatic `-' style update
	       * when the short packets kick in, so this is not necessary. */

	      sendUdpReq(COMM_UPDATE);
	    }
#else
	  /* `=' style update to get the kills in the playerlist right */
	  sendUdpReq(COMM_UPDATE);
#endif

	  isFirstEntry = 0;
	}

      DisplayMessage();

#ifdef SOUND
#if defined(sgi)
	Engine_Sound(ENG_ON);
#else
      /* text in sound.c:soundrefresh() says engine sound is not supported
      Play_Sound(ENGINE_SOUND); */
#endif

      Play_Sound(ENTER_SHIP_SOUND);
#endif

#ifdef HOCKEY_LINES
      init_hockey_lines();
#endif

      /* Get input until the player quits or dies */
      input();

#ifdef IGNORE_SIGNALS_SEGV_BUS
    }
#endif
  return 0;
}

RETSIGTYPE
handle_exception(int _dummy)
{
  printf("floating point exception error detected; attempting to continue\n");

#ifdef WIN32
  /* Under Watcom C++, after a signal handler is called the signal reverts to 
   * 
   * * SIG_DFL so has to be reset... is this standard? */
  (void) SIGNAL(SIGFPE, handle_exception);
#endif
}

#ifdef IGNORE_SIGNALS_SEGV_BUS
RETSIGTYPE
reset_game(int _dummy)
{
  died_from_signal = 1;
  longjmp(env, 0);
}
#endif

void    terminate(int error)
{
#ifdef RECORDGAME
  if (recordFile)
    fclose(recordFile);
#endif

  longjmp(env, RETURNBASE + error);
}