/*
* RAM $Id: comm.c 68 2009-01-05 13:22:21Z quixadhal $
*/
/***************************************************************************
* Original Diku Mud copyright (C) 1990, 1991 by Sebastian Hammer, *
* Michael Seifert, Hans Henrik St{rfeldt, Tom Madsen, and Katja Nyboe. *
* *
* Merc Diku Mud improvments copyright (C) 1992, 1993 by Michael *
* Chastain, Michael Quan, and Mitchell Tse. *
* *
* In order to use any part of this Merc Diku Mud, you must comply with *
* both the original Diku license in 'license.doc' as well the Merc *
* license in 'license.txt'. In particular, you may not remove either of *
* these copyright notices. *
* *
* Thanks to abaddon for proof-reading our comm.c and pointing out bugs. *
* Any remaining bugs are, of course, our work, not his. :) *
* *
* Much time and thought has gone into this software and you are *
* benefitting. We hope that you share your changes too. What goes *
* around, comes around. *
***************************************************************************/
/***************************************************************************
* ROM 2.4 is copyright 1993-1998 Russ Taylor *
* ROM has been brought to you by the ROM consortium *
* Russ Taylor (rtaylor@hypercube.org) *
* Gabrielle Taylor (gtaylor@hypercube.org) *
* Brian Moore (zump@rom.org) *
* By using this code, you have agreed to follow the terms of the *
* ROM license, in the file Rom24/doc/rom.license *
***************************************************************************/
/*
* This file contains all of the OS-dependent stuff:
* startup, signals, BSD sockets for tcp/ip, i/o, timing.
*
* The data flow for input is:
* Game_loop ---> Read_from_descriptor ---> Read
* Game_loop ---> Read_from_buffer
*
* The data flow for output is:
* Game_loop ---> Process_Output ---> Write_to_descriptor -> Write
*
* The OS-dependent functions are Read_from_descriptor and Write_to_descriptor.
* -- Furey 26 Jan 1993
*/
#include <sys/types.h>
#include <sys/time.h>
#include <ctype.h>
#include <errno.h>
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <time.h>
#include <unistd.h>
#include <signal.h>
#include <fcntl.h>
#include <netdb.h>
#include <netinet/in.h>
#include <sys/socket.h>
#include <arpa/telnet.h>
#include <stdarg.h>
#if !defined(NOCRYPT)
#include "sha256.h"
#endif
#include "merc.h"
#include "tables.h"
#include "strings.h"
#include "db.h"
#include "act.h"
#include "interp.h"
#include "magic.h"
#include "olc.h"
/*
* Socket and TCP/IP stuff.
*/
const char echo_off_str[] = { IAC, WILL, TELOPT_ECHO, '\0' };
const char echo_on_str[] = { IAC, WONT, TELOPT_ECHO, '\0' };
const char go_ahead_str[] = { IAC, GA, '\0' };
/*
* Global variables.
*/
DESCRIPTOR_DATA *descriptor_list = NULL; /* All open descriptors */
DESCRIPTOR_DATA *descriptor_free = NULL;
bool need_god = false; /* New Game, First login is IMP! */
bool merc_down = false; /* Shutdown */
bool wizlock = false; /* Game is wizlocked */
bool newlock = false; /* Game is newlocked */
char str_boot_time[MAX_INPUT_LENGTH] = "\0\0\0\0\0\0\0";
time_t current_time = 0; /* time of this pulse */
DESCRIPTOR_DATA *new_descriptor( void )
{
static DESCRIPTOR_DATA d_zero;
DESCRIPTOR_DATA *d = NULL;
if ( descriptor_free == NULL )
d = ( DESCRIPTOR_DATA * ) alloc_perm( sizeof( *d ) );
else
{
d = descriptor_free;
descriptor_free = descriptor_free->next;
}
*d = d_zero;
VALIDATE( d );
return d;
}
void free_descriptor( DESCRIPTOR_DATA *d )
{
if ( !IS_VALID( d ) )
return;
free_string( d->host );
free_mem( d->outbuf, d->outsize );
INVALIDATE( d );
d->next = descriptor_free;
descriptor_free = d;
}
int main( int argc, char **argv )
{
struct timeval now_time;
int port = DEFAULT_PORT;
int control = 0;
int pos = 1;
char *dir = NULL;
char *pidfile = NULL;
char *logfile = NULL;
/*
* Init time.
*/
gettimeofday( &now_time, NULL );
current_time = ( time_t ) now_time.tv_sec;
strcpy( str_boot_time, ctime( ¤t_time ) );
/*
* Parse the flag arguments.
*/
while ( ( pos < argc ) && ( *( argv[pos] ) == '-' ) )
{
switch ( *( argv[pos] + 1 ) )
{
case 'h':
proper_exit( MUD_HALT,
"Usage: %s [-n][-w][-g] [-d pathname] [-p pidfile] [-l logfile] [ port # ]\n",
argv[0] );
break;
case 'g':
need_god = true;
log_boot( "GOD MODE is SET!" );
break;
case 'n':
newlock = true;
log_boot( "NewLock is SET." );
break;
case 'w':
wizlock = true;
newlock = true;
log_boot( "WizLock is SET." );
break;
case 'd':
if ( *( argv[pos] + 2 ) )
dir = argv[pos] + 2;
else if ( ++pos < argc )
dir = argv[pos];
else
proper_exit( MUD_HALT, "Directory arg expected after option -d." );
break;
case 'l':
if ( *( argv[pos] + 2 ) )
logfile = argv[pos] + 2;
else if ( ++pos < argc )
logfile = argv[pos];
else
proper_exit( MUD_HALT, "LOG filename expected after option -l." );
#if defined(__APPLE__)
proper_exit( MUD_HALT, "LOG file redirection is not supported under OS X." );
#endif
break;
case 'p':
if ( *( argv[pos] + 2 ) )
pidfile = argv[pos] + 2;
else if ( ++pos < argc )
pidfile = argv[pos];
else
proper_exit( MUD_HALT, "PID filename expected after option -p." );
break;
default:
log_info( "Unknown option -%c in argument string.", *( argv[pos] + 1 ) );
break;
}
pos++;
}
/*
* Get the port, default if not specified.
*/
if ( pos < argc )
{
if ( !is_number( argv[pos] ) )
proper_exit( MUD_HALT,
"Usage: %s [-n][-w][-g] [-d pathname] [-p pidfile] [-l logfile] [ port # ]\n",
argv[0] );
else if ( ( port = atoi( argv[pos] ) ) <= 1024 )
proper_exit( MUD_HALT, "Illegal port # %d", port );
}
/*
* Change to data directory.
*/
if ( dir )
{
if ( chdir( dir ) < 0 )
proper_exit( MUD_HALT, "Cannot change directory to %s", dir );
log_boot( "Using %s as data directory.", dir );
}
/*
* If using a PID file, write our PID out there now
*/
if ( pidfile )
{
FILE *pidfp = NULL;
if ( !( pidfp = fopen( pidfile, "w" ) ) )
proper_exit( MUD_HALT, "Cannot open PID file %s", pidfile );
fprintf( pidfp, "%d\n", getpid( ) );
fclose( pidfp );
log_boot( "PID written to %s", pidfile );
}
#if !defined(__APPLE__)
/*
* If we want stderr to go to a filename, now's the time!
* Unless we're on OS X -- Ghasatta.
*/
if ( logfile )
{
log_boot( "Switching to %s as stderr.", logfile );
stderr = freopen( logfile, "a", stderr );
if ( !stderr )
proper_exit( MUD_HALT, "Cannot reopen stderr!" );
close( fileno( stdout ) );
dup2( fileno( stderr ), fileno( stdout ) );
log_boot( "Switch to %s completed.", logfile );
}
#endif
/*
* Run the game.
*/
boot_db( );
control = init_listening_socket( port );
log_boot( "RaM is ready to rock on port %d.", port );
game_loop( control );
close( control );
/*
* That's all, folks.
*/
proper_exit( MUD_REBOOT, "Normal termination of game." );
return MUD_REBOOT;
}
int init_listening_socket( int port )
{
static struct sockaddr_in sa_zero;
struct sockaddr_in sa;
int x = 1;
int fd = -1;
if ( ( fd = socket( AF_INET, SOCK_STREAM, 0 ) ) < 0 )
{
char *e = strerror( errno );
proper_exit( MUD_HALT, "Init_socket: socket: %s\n", e );
}
if ( setsockopt( fd, SOL_SOCKET, SO_REUSEADDR, ( char * ) &x, sizeof( x ) ) < 0 )
{
char *e = strerror( errno );
close( fd );
proper_exit( MUD_HALT, "Init_socket: SO_REUSEADDR: %s\n", e );
}
#if defined(SO_DONTLINGER) && !defined(SYSV)
{
struct linger ld;
ld.l_onoff = 1;
ld.l_linger = 1000;
if ( setsockopt( fd, SOL_SOCKET, SO_DONTLINGER,
( char * ) &ld, sizeof( ld ) ) < 0 )
{
char *e = strerror( errno );
close( fd );
proper_exit( MUD_HALT, "Init_socket: SO_DONTLINGER: %s\n", e );
}
}
#endif
sa = sa_zero;
sa.sin_family = AF_INET;
sa.sin_port = htons( port );
if ( bind( fd, ( struct sockaddr * ) &sa, sizeof( sa ) ) < 0 )
{
char *e = strerror( errno );
close( fd );
proper_exit( MUD_HALT, "Init socket: bind: %s\n", e );
}
if ( listen( fd, 3 ) < 0 )
{
char *e = strerror( errno );
close( fd );
proper_exit( MUD_HALT, "Init socket: listen: %s\n", e );
}
return fd;
}
void game_loop( int control )
{
static struct timeval null_time;
struct timeval last_time;
DESCRIPTOR_DATA *d_next = NULL;
log_boot( "Setting up signal handling." );
signal( SIGPIPE, SIG_IGN );
signal( SIGINT, shutdown_request );
signal( SIGTERM, shutdown_request );
gettimeofday( &last_time, NULL );
current_time = ( time_t ) last_time.tv_sec;
/*
* Main loop
*/
while ( !merc_down )
{
fd_set in_set;
fd_set out_set;
fd_set exc_set;
DESCRIPTOR_DATA *d = NULL;
int maxsock = -1;
/*
* Poll all active descriptors.
*/
FD_ZERO( &in_set );
FD_ZERO( &out_set );
FD_ZERO( &exc_set );
FD_SET( control, &in_set );
maxsock = control;
for ( d = descriptor_list; d; d = d->next )
{
maxsock = UMAX( maxsock, d->socket );
FD_SET( d->socket, &in_set );
FD_SET( d->socket, &out_set );
FD_SET( d->socket, &exc_set );
}
if ( select( maxsock + 1, &in_set, &out_set, &exc_set, &null_time ) < 0 )
{
char *e = strerror( errno );
proper_exit( MUD_HALT, "Game_loop: select: poll: %s\n", e );
}
/*
* New connection?
*/
if ( FD_ISSET( control, &in_set ) )
init_descriptor( control );
/*
* Kick out the freaky folks.
*/
for ( d = descriptor_list; d != NULL; d = d_next )
{
d_next = d->next;
if ( FD_ISSET( d->socket, &exc_set ) )
{
FD_CLR( d->socket, &in_set );
FD_CLR( d->socket, &out_set );
if ( d->character && d->connected == CON_PLAYING )
save_char_obj( d->character );
d->outtop = 0;
close_descriptor( d );
}
}
/*
* Process input.
*/
for ( d = descriptor_list; d != NULL; d = d_next )
{
d_next = d->next;
d->fcommand = false;
if ( FD_ISSET( d->socket, &in_set ) )
{
if ( d->character != NULL )
d->character->timer = 0;
if ( !read_from_descriptor( d ) )
{
FD_CLR( d->socket, &out_set );
if ( d->character != NULL && d->connected == CON_PLAYING )
save_char_obj( d->character );
d->outtop = 0;
close_descriptor( d );
continue;
}
}
if ( d->character != NULL && d->character->daze > 0 )
--d->character->daze;
if ( d->character != NULL && d->character->wait > 0 )
{
--d->character->wait;
continue;
}
read_from_buffer( d );
if ( d->incomm[0] != '\0' )
{
d->fcommand = true;
stop_idling( d->character );
if ( d->showstr_point )
show_string( d, d->incomm );
else if ( d->pString )
string_add( d->character, d->incomm );
else
{
if ( d->connected == CON_PLAYING )
{
if ( !run_olc_editor( d ) )
substitute_alias( d, d->incomm );
}
else
nanny( d, d->incomm );
}
d->incomm[0] = '\0';
}
}
/*
* Autonomous game motion.
*/
update_handler( );
/*
* Output.
*/
for ( d = descriptor_list; d != NULL; d = d_next )
{
d_next = d->next;
if ( ( d->fcommand || d->outtop > 0 ) && FD_ISSET( d->socket, &out_set ) )
{
if ( !process_output( d, true ) )
{
if ( d->character != NULL && d->connected == CON_PLAYING )
save_char_obj( d->character );
d->outtop = 0;
close_descriptor( d );
}
}
}
/*
* Synchronize to a clock.
* Sleep( last_time + 1/PULSE_PER_SECOND - now ).
* Careful here of signed versus unsigned arithmetic.
*/
{
struct timeval now_time;
int secDelta = 0;
int usecDelta = 0;
gettimeofday( &now_time, NULL );
usecDelta = ( ( int ) last_time.tv_usec ) - ( ( int ) now_time.tv_usec )
+ 1000000 / PULSE_PER_SECOND;
secDelta = ( ( int ) last_time.tv_sec ) - ( ( int ) now_time.tv_sec );
while ( usecDelta < 0 )
{
usecDelta += 1000000;
secDelta -= 1;
}
while ( usecDelta >= 1000000 )
{
usecDelta -= 1000000;
secDelta += 1;
}
if ( secDelta > 0 || ( secDelta == 0 && usecDelta > 0 ) )
{
struct timeval stall_time;
stall_time.tv_usec = usecDelta;
stall_time.tv_sec = secDelta;
if ( select( 0, NULL, NULL, NULL, &stall_time ) < 0 )
{
char *e = strerror( errno );
proper_exit( MUD_HALT, "Game_loop: select: stall: %s\n", e );
}
}
}
gettimeofday( &last_time, NULL );
current_time = ( time_t ) last_time.tv_sec;
}
dump_player_list( );
return;
}
void init_descriptor( int control )
{
char buf[MAX_STRING_LENGTH] = "\0\0\0\0\0\0\0";
DESCRIPTOR_DATA *dnew = NULL;
struct sockaddr_in sock_in;
struct hostent *from = NULL;
int sock = 0;
socklen_t size = sizeof( sock );
getsockname( control, ( struct sockaddr * ) &sock_in, &size );
if ( ( sock = accept( control, ( struct sockaddr * ) &sock_in, &size ) ) < 0 )
{
char *e = strerror( errno );
log_error( "accept: %s", e );
return;
}
#if !defined(FNDELAY)
#define FNDELAY O_NDELAY
#endif
if ( fcntl( sock, F_SETFL, FNDELAY ) == -1 )
{
char *e = strerror( errno );
log_error( "fcntl: FNDELAY: %s", e );
return;
}
/*
* Cons a new descriptor.
*/
dnew = new_descriptor( );
dnew->socket = sock;
dnew->connected = CON_GET_NAME;
dnew->showstr_head = NULL;
dnew->showstr_point = NULL;
dnew->outsize = 2000;
dnew->pEdit = NULL; /* OLC */
dnew->pString = NULL; /* OLC */
dnew->editor = 0; /* OLC */
dnew->outbuf = ( char * ) alloc_mem( dnew->outsize );
size = sizeof( sock_in );
if ( getpeername( sock, ( struct sockaddr * ) &sock_in, &size ) < 0 )
{
char *e = strerror( errno );
log_error( "getpeername: %s", e );
dnew->host = str_dup( "(unknown)" );
}
else
{
/*
* Would be nice to use inet_ntoa here but it takes a struct arg,
* which ain't very compatible between gcc and system libraries.
*/
int addr = 0;
addr = ntohl( sock_in.sin_addr.s_addr );
sprintf( buf, "%d.%d.%d.%d",
( addr >> 24 ) & 0xFF, ( addr >> 16 ) & 0xFF,
( addr >> 8 ) & 0xFF, ( addr ) & 0xFF );
log_auth( NULL, "sock_in.sinaddr: %s", buf );
from = gethostbyaddr( ( char * ) &sock_in.sin_addr,
sizeof( sock_in.sin_addr ), AF_INET );
dnew->host = str_dup( from ? from->h_name : buf );
}
/*
* Swiftest: I added the following to ban sites. I don't
* endorse banning of sites, but Copper has few descriptors now
* and some people from certain sites keep abusing access by
* using automated 'autodialers' and leaving connections hanging.
*
* Furey: added suffix check by request of Nickel of HiddenWorlds.
*/
if ( check_ban( dnew->host, BAN_ALL ) )
{
write_to_socket( sock, "Your site has been banned from this mud.\r\n", 0 );
close( sock );
free_descriptor( dnew );
return;
}
/*
* Init descriptor data.
*/
dnew->next = descriptor_list;
descriptor_list = dnew;
/*
* Send the greeting.
*/
{
if ( help_greeting[0] == '.' )
write_to_buffer( dnew, help_greeting + 1, 0 );
else
write_to_buffer( dnew, help_greeting, 0 );
}
return;
}
void close_descriptor( DESCRIPTOR_DATA *dclose )
{
CHAR_DATA *ch = NULL;
if ( dclose->outtop > 0 )
process_output( dclose, false );
if ( dclose->snoop_by != NULL )
{
desc_printf( dclose->snoop_by, "Your victim has left the game.\r\n" );
}
{
DESCRIPTOR_DATA *d = NULL;
for ( d = descriptor_list; d != NULL; d = d->next )
{
if ( d->snoop_by == dclose )
d->snoop_by = NULL;
}
}
if ( ( ch = dclose->character ) != NULL )
{
log_auth( ch, "Closing link to %s.", NAME( ch ) );
update_player_list( ch, false );
/*
* A bugfix for people who log in with a pet, but then
* abort their login (failed pasword), in which case the
* pet becomes orphaned and has a NULL room pointer.
*/
if ( ch->pet && ch->pet->in_room == NULL )
{
char_to_room( ch->pet, get_room_index( ROOM_VNUM_LIMBO ) );
extract_char( ch->pet, true );
}
/*
* cut down on wiznet spam when rebooting
*/
if ( dclose->connected == CON_PLAYING && !merc_down )
{
act( "$n has lost $s link.", ch, NULL, NULL, TO_ROOM );
wiznet( "Net death has claimed $N.", ch, NULL, WIZ_LINKS, 0, 0 );
ch->desc = NULL;
}
else
{
free_char( dclose->original ? dclose->original : dclose->character );
}
}
/*
* if ( d_next == dclose ) d_next = d_next->next;
*/
if ( dclose == descriptor_list )
{
descriptor_list = descriptor_list->next;
}
else
{
DESCRIPTOR_DATA *d = NULL;
for ( d = descriptor_list; d && d->next != dclose; d = d->next )
;
if ( d != NULL )
d->next = dclose->next;
else
log_error( "%s", "Descriptor at end of descriptor_list is NULL" );
}
close( dclose->socket );
free_descriptor( dclose );
return;
}
bool read_from_descriptor( DESCRIPTOR_DATA *d )
{
size_t iStart = 0;
/*
* Hold horses if pending command already.
*/
if ( d->incomm[0] != '\0' )
return true;
/*
* Check for overflow.
*/
iStart = strlen( d->inbuf );
if ( iStart >= sizeof( d->inbuf ) - 10 )
{
log_auth( NULL, "%s input overflow!", d->host );
write_to_socket( d->socket, "\r\n*** PUT A LID ON IT!!! ***\r\n", 0 );
return false;
}
/*
* Snarf input.
*/
for ( ;; )
{
int nRead = 0;
nRead = read( ( int ) d->socket, ( void * ) ( d->inbuf + iStart ),
sizeof( d->inbuf ) - 10 - iStart );
if ( nRead > 0 )
{
iStart += nRead;
if ( d->inbuf[iStart - 1] == '\r' || d->inbuf[iStart - 1] == '\n' )
break;
}
else if ( nRead == 0 )
{
log_error( "%s", "EOF encountered on socket read" );
return false;
}
else if ( errno == EWOULDBLOCK )
break;
else
{
char *e = strerror( errno );
log_error( "Socket error: %s", e );
return false;
}
}
d->inbuf[iStart] = '\0';
return true;
}
/*
* Transfer one line from input buffer to input line.
*/
void read_from_buffer( DESCRIPTOR_DATA *d )
{
int i = 0;
int j = 0;
int k = 0;
/*
* Hold horses if pending command already.
*/
if ( d->incomm[0] != '\0' )
return;
/*
* Look for at least one new line.
*/
for ( i = 0; d->inbuf[i] != '\r' && d->inbuf[i] != '\n'; i++ )
{
if ( d->inbuf[i] == '\0' )
return;
}
/*
* Canonical input processing.
*/
for ( i = 0, k = 0; d->inbuf[i] != '\r' && d->inbuf[i] != '\n'; i++ )
{
if ( k >= MAX_INPUT_LENGTH - 2 )
{
write_to_socket( d->socket, "Line too long.\r\n", 0 );
/*
* skip the rest of the line
*/
for ( ; d->inbuf[i] != '\0'; i++ )
{
if ( d->inbuf[i] == '\r' || d->inbuf[i] == '\n' )
break;
}
d->inbuf[i] = '\n';
d->inbuf[i + 1] = '\0';
break;
}
if ( d->inbuf[i] == '\b' && k > 0 )
--k;
else if ( isascii( d->inbuf[i] ) && isprint( d->inbuf[i] ) )
d->incomm[k++] = d->inbuf[i];
}
/*
* Finish off the line.
*/
if ( k == 0 )
d->incomm[k++] = ' ';
d->incomm[k] = '\0';
/*
* Deal with bozos with #repeat 1000 ...
*/
if ( k > 1 || d->incomm[0] == '!' )
{
if ( d->incomm[0] != '!' && strcmp( d->incomm, d->inlast ) )
{
d->repeat = 0;
}
else
{
if ( ++d->repeat >= 25 && d->character && d->connected == CON_PLAYING )
{
log_auth( NULL, "%s input spamming!", d->host );
wiznet( "Spam spam spam $N spam spam spam spam spam!",
d->character, NULL, WIZ_SPAM, 0, get_trust( d->character ) );
if ( d->incomm[0] == '!' )
wiznet( d->inlast, d->character, NULL, WIZ_SPAM, 0,
get_trust( d->character ) );
else
wiznet( d->incomm, d->character, NULL, WIZ_SPAM, 0,
get_trust( d->character ) );
d->repeat = 0;
/*
write_to_socket( d->socket,
"\r\n*** PUT A LID ON IT!!! ***\r\n", 0 );
strcpy( d->incomm, "quit" );
*/
}
}
}
/*
* Do '!' substitution.
*/
if ( d->incomm[0] == '!' )
strcpy( d->incomm, d->inlast );
else
strcpy( d->inlast, d->incomm );
/*
* Shift the input buffer.
*/
while ( d->inbuf[i] == '\r' || d->inbuf[i] == '\n' )
i++;
for ( j = 0; ( d->inbuf[j] = d->inbuf[i + j] ) != '\0'; j++ )
;
return;
}
/*
* Low level output function.
*/
bool process_output( DESCRIPTOR_DATA *d, bool fPrompt )
{
/*
* Bust a prompt.
*/
if ( !merc_down && d->showstr_point )
desc_printf( d, "[Hit Return to continue]\r\n" );
else if ( fPrompt && !merc_down && d->connected == CON_PLAYING && d->pString )
desc_printf( d, "> " );
else if ( fPrompt && !merc_down && d->connected == CON_PLAYING )
{
CHAR_DATA *ch = NULL;
CHAR_DATA *victim = NULL;
ch = d->character;
/*
* battle prompt
*/
if ( ( victim = ch->fighting ) != NULL && can_see( ch, victim ) )
{
int percent = 0;
if ( victim->max_hit > 0 )
percent = victim->hit * 100 / victim->max_hit;
else
percent = -1;
if ( percent >= 100 )
desc_printf( d, "%c%s %s\r\n", UPPER( *NAME( victim ) ),
( NAME( victim ) + 1 ), "is in excellent condition." );
else if ( percent >= 90 )
desc_printf( d, "%c%s %s\r\n", UPPER( *NAME( victim ) ),
( NAME( victim ) + 1 ), "has a few scratches." );
else if ( percent >= 75 )
desc_printf( d, "%c%s %s\r\n", UPPER( *NAME( victim ) ),
( NAME( victim ) + 1 ),
"has some small wounds and bruises." );
else if ( percent >= 50 )
desc_printf( d, "%c%s %s\r\n", UPPER( *NAME( victim ) ),
( NAME( victim ) + 1 ), "has quite a few wounds." );
else if ( percent >= 30 )
desc_printf( d, "%c%s %s\r\n", UPPER( *NAME( victim ) ),
( NAME( victim ) + 1 ),
"has some big nasty wounds and scratches." );
else if ( percent >= 15 )
desc_printf( d, "%c%s %s\r\n", UPPER( *NAME( victim ) ),
( NAME( victim ) + 1 ), "looks pretty hurt." );
else if ( percent >= 0 )
desc_printf( d, "%c%s %s\r\n", UPPER( *NAME( victim ) ),
( NAME( victim ) + 1 ), "is in awful condition." );
else
desc_printf( d, "%c%s %s\r\n", UPPER( *NAME( victim ) ),
( NAME( victim ) + 1 ), "is bleeding to death." );
}
ch = d->original ? d->original : d->character;
if ( !IS_SET( ch->comm, COMM_COMPACT ) )
desc_printf( d, "\r\n" );
if ( IS_SET( ch->comm, COMM_PROMPT ) )
bust_a_prompt( d->character );
if ( IS_SET( ch->comm, COMM_TELNET_GA ) )
write_to_buffer( d, go_ahead_str, 0 );
}
/*
* Short-circuit if nothing to write.
*/
if ( d->outtop == 0 )
return true;
/*
* Snoop-o-rama.
*/
if ( d->snoop_by != NULL )
{
if ( d->character != NULL )
write_to_buffer( d->snoop_by, d->character->name, 0 );
write_to_buffer( d->snoop_by, "> ", 2 );
write_to_buffer( d->snoop_by, d->outbuf, d->outtop );
}
/*
* OS-dependent output.
*/
if ( !write_to_socket( d->socket, d->outbuf, d->outtop ) )
{
d->outtop = 0;
return false;
}
else
{
d->outtop = 0;
return true;
}
}
/*
* Deal with sockets that haven't logged in yet.
*/
void nanny( DESCRIPTOR_DATA *d, const char *argument )
{
DESCRIPTOR_DATA *d_old = NULL;
DESCRIPTOR_DATA *d_next = NULL;
char arg[MAX_INPUT_LENGTH] = "\0\0\0\0\0\0\0";
CHAR_DATA *ch = NULL;
const char *pwdnew = NULL;
const char *p = NULL;
int iClass = 0;
int race = 0;
int i = 0;
int weapon = 0;
bool fOld = false;
char local_argument[MAX_INPUT_LENGTH] = "\0\0\0\0\0\0\0";
const char *lap = local_argument;
while ( isspace( *argument ) )
argument++;
ch = d->character;
switch ( d->connected )
{
default:
log_error( "Bad d->connected state %d", d->connected );
close_descriptor( d );
return;
case CON_GET_NAME:
if ( argument[0] == '\0' )
{
close_descriptor( d );
return;
}
strcpy( local_argument, argument );
local_argument[0] = UPPER( local_argument[0] );
if ( !check_parse_name( lap ) )
{
desc_printf( d, "Illegal name, try another.\r\nName: " );
return;
}
fOld = load_char_obj( d, lap );
ch = d->character;
if ( IS_SET( ch->act, PLR_DENY ) )
{
log_auth( NULL, "Denying access to %s@%s.", lap, d->host );
desc_printf( d, "You are denied access.\r\n" );
close_descriptor( d );
return;
}
if ( check_ban( d->host, BAN_PERMIT ) && !IS_SET( ch->act, PLR_PERMIT ) )
{
desc_printf( d, "Your site has been banned from this mud.\r\n" );
close_descriptor( d );
return;
}
if ( check_reconnect( d, lap, false ) )
{
fOld = true;
}
else
{
if ( wizlock && !IS_IMMORTAL( ch ) )
{
desc_printf( d, "The game is wizlocked.\r\n" );
close_descriptor( d );
return;
}
}
if ( fOld )
{
/*
* Old player
*/
desc_printf( d, "Password: %s", echo_off_str );
d->connected = CON_GET_OLD_PASSWORD;
return;
}
else
{
/*
* New player
*/
if ( newlock )
{
desc_printf( d, "The game is newlocked.\r\n" );
close_descriptor( d );
return;
}
if ( check_ban( d->host, BAN_NEWBIES ) )
{
desc_printf( d, "New players are not allowed from your site.\r\n" );
close_descriptor( d );
return;
}
desc_printf( d, "Did I get that right, %s (Y/N)? ", lap );
d->connected = CON_CONFIRM_NEW_NAME;
return;
}
break;
case CON_GET_OLD_PASSWORD:
desc_printf( d, "\r\n%s", echo_on_str );
if ( strcmp( CRYPT( argument ), ch->pcdata->pwd ) )
{
desc_printf( d, "Wrong password.\r\n" );
close_descriptor( d );
return;
}
if ( check_playing( d, ch->name ) )
return;
if ( check_reconnect( d, ch->name, true ) )
return;
log_auth( ch, "%s@%s has connected.", NAME( ch ), d->host );
wiznet( log_buf, NULL, NULL, WIZ_SITES, 0, get_trust( ch ) );
if ( IS_IMMORTAL( ch ) )
{
do_function( ch, &do_help, "imotd" );
d->connected = CON_READ_IMOTD;
}
else
{
do_function( ch, &do_help, "motd" );
d->connected = CON_READ_MOTD;
}
break;
/* RT code for breaking link */
case CON_BREAK_CONNECT:
switch ( *argument )
{
case 'y':
case 'Y':
for ( d_old = descriptor_list; d_old != NULL; d_old = d_next )
{
d_next = d_old->next;
if ( d_old == d || d_old->character == NULL )
continue;
if ( str_cmp( ch->name, d_old->original ?
d_old->original->name : d_old->character->name ) )
continue;
close_descriptor( d_old );
}
if ( check_reconnect( d, ch->name, true ) )
return;
desc_printf( d, "Reconnect attempt failed.\r\nName: " );
if ( d->character != NULL )
{
free_char( d->character );
d->character = NULL;
}
d->connected = CON_GET_NAME;
break;
case 'n':
case 'N':
desc_printf( d, "Name: " );
if ( d->character != NULL )
{
free_char( d->character );
d->character = NULL;
}
d->connected = CON_GET_NAME;
break;
default:
desc_printf( d, "Please type Y or N? " );
break;
}
break;
case CON_CONFIRM_NEW_NAME:
switch ( *argument )
{
case 'y':
case 'Y':
desc_printf( d, "New character.\r\nGive me a password for %s: %s",
NAME( ch ), echo_off_str );
d->connected = CON_GET_NEW_PASSWORD;
break;
case 'n':
case 'N':
desc_printf( d, "Ok, what IS it, then? " );
free_char( d->character );
d->character = NULL;
d->connected = CON_GET_NAME;
break;
default:
desc_printf( d, "Please type Yes or No? " );
break;
}
break;
case CON_GET_NEW_PASSWORD:
desc_printf( d, "\r\n" );
if ( strlen( argument ) < 5 )
{
desc_printf( d,
"Password must be at least five characters long.\r\nPassword: " );
return;
}
pwdnew = CRYPT( argument );
for ( p = pwdnew; *p != '\0'; p++ )
{
if ( *p == '~' )
{
desc_printf( d,
"New password not acceptable, try again.\r\nPassword: " );
return;
}
}
free_string( ch->pcdata->pwd );
ch->pcdata->pwd = str_dup( pwdnew );
desc_printf( d, "Please retype password: " );
d->connected = CON_CONFIRM_NEW_PASSWORD;
break;
case CON_CONFIRM_NEW_PASSWORD:
desc_printf( d, "\r\n" );
if ( strcmp( CRYPT( argument ), ch->pcdata->pwd ) )
{
desc_printf( d, "Passwords don't match.\r\nRetype password: " );
d->connected = CON_GET_NEW_PASSWORD;
return;
}
desc_printf( d, "%sThe following races are available:\r\n ", echo_on_str );
for ( race = 1; race_table[race].name != NULL; race++ )
{
if ( !race_table[race].pc_race )
break;
desc_printf( d, "%s ", race_table[race].name );
}
desc_printf( d, "\r\nWhat is your race (help for more information)? " );
d->connected = CON_GET_NEW_RACE;
break;
case CON_GET_NEW_RACE:
one_argument( argument, arg );
if ( !strcmp( arg, "help" ) )
{
argument = one_argument( argument, arg );
if ( argument[0] == '\0' )
do_function( ch, &do_help, "race help" );
else
do_function( ch, &do_help, argument );
desc_printf( d, "What is your race (help for more information)? " );
break;
}
race = race_lookup( argument );
if ( race == 0 || !race_table[race].pc_race )
{
desc_printf( d, "That is not a valid race.\r\n" );
desc_printf( d, "The following races are available:\r\n " );
for ( race = 1; race_table[race].name != NULL; race++ )
{
if ( !race_table[race].pc_race )
break;
desc_printf( d, "%s ", race_table[race].name );
}
desc_printf( d, "\r\nWhat is your race? (help for more information) " );
break;
}
ch->race = race;
/*
* initialize stats
*/
for ( i = 0; i < MAX_STATS; i++ )
ch->perm_stat[i] = pc_race_table[race].stats[i];
ch->affected_by = ch->affected_by | race_table[race].aff;
ch->imm_flags = ch->imm_flags | race_table[race].imm;
ch->res_flags = ch->res_flags | race_table[race].res;
ch->vuln_flags = ch->vuln_flags | race_table[race].vuln;
ch->form = race_table[race].form;
ch->parts = race_table[race].parts;
/*
* add skills
*/
for ( i = 0; i < 5; i++ )
{
if ( pc_race_table[race].skills[i] == NULL )
break;
group_add( ch, pc_race_table[race].skills[i], false );
}
/*
* add cost
*/
ch->pcdata->points = pc_race_table[race].points;
ch->size = pc_race_table[race].size;
desc_printf( d, "What is your sex (M/F)? " );
d->connected = CON_GET_NEW_SEX;
break;
case CON_GET_NEW_SEX:
switch ( argument[0] )
{
case 'm':
case 'M':
ch->sex = SEX_MALE;
ch->pcdata->true_sex = SEX_MALE;
break;
case 'f':
case 'F':
ch->sex = SEX_FEMALE;
ch->pcdata->true_sex = SEX_FEMALE;
break;
default:
desc_printf( d, "That's not a sex.\r\nWhat IS your sex? " );
return;
}
desc_printf( d, "Select a class [" );
for ( iClass = 0; iClass < MAX_CLASS; iClass++ )
{
desc_printf( d, "%s%s", iClass == 0 ? "" : " ",
class_table[iClass].name );
}
desc_printf( d, "]: " );
d->connected = CON_GET_NEW_CLASS;
break;
case CON_GET_NEW_CLASS:
iClass = class_lookup( argument );
if ( iClass == -1 )
{
desc_printf( d, "That's not a class.\r\nWhat IS your class? " );
return;
}
ch->iclass = iClass;
log_auth( ch, "%s@%s is a new player.", NAME( ch ), d->host );
wiznet( "Newbie alert! $N sighted.", ch, NULL, WIZ_NEWBIE, 0, 0 );
wiznet( log_buf, NULL, NULL, WIZ_SITES, 0, get_trust( ch ) );
desc_printf( d, "\r\nYou may be good, neutral, or evil.\r\n" );
desc_printf( d, "Which alignment (G/N/E)? " );
d->connected = CON_GET_ALIGNMENT;
break;
case CON_GET_ALIGNMENT:
switch ( argument[0] )
{
case 'g':
case 'G':
ch->alignment = 750;
break;
case 'n':
case 'N':
ch->alignment = 0;
break;
case 'e':
case 'E':
ch->alignment = -750;
break;
default:
desc_printf( d, "That's not a valid alignment.\r\n" );
desc_printf( d, "Which alignment (G/N/E)? " );
return;
}
group_add( ch, "rom basics", false );
group_add( ch, class_table[ch->iclass].base_group, false );
ch->pcdata->learned[skill_lookup( "recall" )] = 50;
desc_printf( d, "\r\nDo you wish to customize this character?\r\n" );
desc_printf( d,
"Customization takes time, but allows a wider range of skills and abilities.\r\n" );
desc_printf( d, "Customize (Y/N)? " );
d->connected = CON_DEFAULT_CHOICE;
break;
case CON_DEFAULT_CHOICE:
desc_printf( d, "\r\n" );
switch ( argument[0] )
{
case 'y':
case 'Y':
ch->gen_data = new_gen_data( );
ch->gen_data->points_chosen = ch->pcdata->points;
do_function( ch, &do_help, "group header" );
list_group_costs( ch );
desc_printf( d, "You already have the following skills:\r\n" );
do_function( ch, &do_skills, "" );
do_function( ch, &do_help, "menu choice" );
d->connected = CON_GEN_GROUPS;
break;
case 'n':
case 'N':
group_add( ch, class_table[ch->iclass].default_group, true );
desc_printf( d,
"\r\nPlease pick a weapon from the following choices:\r\n" );
for ( i = 0; weapon_table[i].name != NULL; i++ )
if ( ch->pcdata->learned[skill_lookup( weapon_table[i].skill )] >
0 )
{
desc_printf( d, "%s ", weapon_table[i].name );
}
desc_printf( d, "\r\nYour choice? " );
d->connected = CON_PICK_WEAPON;
break;
default:
desc_printf( d, "Please answer (Y/N)? " );
return;
}
break;
case CON_PICK_WEAPON:
desc_printf( d, "\r\n" );
weapon = weapon_lookup( argument );
if ( weapon == -1
|| ch->pcdata->learned[skill_lookup( weapon_table[weapon].skill )] <= 0 )
{
desc_printf( d, "That's not a valid selection. Choices are:\r\n" );
for ( i = 0; weapon_table[i].name != NULL; i++ )
if ( ch->pcdata->learned[skill_lookup( weapon_table[i].skill )] > 0 )
{
desc_printf( d, "%s ", weapon_table[i].name );
}
desc_printf( d, "\r\nYour choice? " );
return;
}
ch->pcdata->learned[skill_lookup( weapon_table[weapon].skill )] = 40;
desc_printf( d, "\r\n" );
do_function( ch, &do_help, "motd" );
d->connected = CON_READ_MOTD;
break;
case CON_GEN_GROUPS:
ch_printf( ch, "\r\n" );
if ( !str_cmp( argument, "done" ) )
{
if ( ch->pcdata->points == pc_race_table[ch->race].points )
{
ch_printf( ch, "You didn't pick anything.\r\n" );
break;
}
if ( ch->pcdata->points <= 40 + pc_race_table[ch->race].points )
{
ch_printf( ch,
"You must take at least %d points of skills and groups",
40 + pc_race_table[ch->race].points );
break;
}
ch_printf( ch, "Creation points: %d\r\n", ch->pcdata->points );
ch_printf( ch, "Experience per level: %d\r\n",
exp_per_level( ch, ch->gen_data->points_chosen ) );
if ( ch->pcdata->points < 40 )
ch->train = ( 40 - ch->pcdata->points + 1 ) / 2;
free_gen_data( ch->gen_data );
ch->gen_data = NULL;
desc_printf( d,
"\r\nPlease pick a weapon from the following choices:\r\n" );
for ( i = 0; weapon_table[i].name != NULL; i++ )
if ( ch->pcdata->learned[skill_lookup( weapon_table[i].skill )] > 0 )
{
desc_printf( d, "%s ", weapon_table[i].name );
}
desc_printf( d, "\r\nYour choice? " );
d->connected = CON_PICK_WEAPON;
break;
}
if ( !parse_gen_groups( ch, argument ) )
ch_printf( ch,
"Choices are: list,learned,premise,add,drop,info,help, and done.\r\n" );
do_function( ch, &do_help, "menu choice" );
break;
case CON_READ_IMOTD:
desc_printf( d, "\r\n" );
do_function( ch, &do_help, "motd" );
d->connected = CON_READ_MOTD;
break;
case CON_READ_MOTD:
if ( ch->pcdata == NULL || ch->pcdata->pwd[0] == '\0' )
{
desc_printf( d, "Warning! Null password!\r\n" );
desc_printf( d, "Please report old password with bug.\r\n" );
desc_printf( d, "Type 'password null <new password>' to fix.\r\n" );
}
desc_printf( d,
"\r\nWelcome to ROM 2.4. Please do not feed the mobiles.\r\n" );
ch->next = char_list;
char_list = ch;
d->connected = CON_PLAYING;
reset_char( ch );
if ( ch->level == 0 )
{
ch->perm_stat[class_table[ch->iclass].attr_prime] += 3;
ch->level = 1;
ch->pcdata->security = 0;
ch->exp = exp_per_level( ch, ch->pcdata->points );
ch->hit = ch->max_hit;
ch->mana = ch->max_mana;
ch->move = ch->max_move;
ch->train = 3;
ch->practice = 5;
set_title( ch, "the %s",
title_table[ch->iclass][ch->level]
[ch->sex == SEX_FEMALE ? 1 : 0] );
do_function( ch, &do_outfit, "" );
obj_to_char( create_object( get_obj_index( OBJ_VNUM_MAP ), 0 ), ch );
char_to_room( ch, get_room_index( ROOM_VNUM_SCHOOL ) );
ch_printf( ch, "\r\n" );
do_function( ch, &do_help, "newbie info" );
ch_printf( ch, "\r\n" );
}
else if ( ch->in_room != NULL )
{
char_to_room( ch, ch->in_room );
}
else if ( IS_IMMORTAL( ch ) )
{
char_to_room( ch, get_room_index( ROOM_VNUM_CHAT ) );
}
else
{
char_to_room( ch, get_room_index( ROOM_VNUM_TEMPLE ) );
}
act( "$n has entered the game.", ch, NULL, NULL, TO_ROOM );
do_function( ch, &do_look, "auto" );
wiznet( "$N has left real life behind.", ch, NULL,
WIZ_LOGINS, WIZ_SITES, get_trust( ch ) );
if ( ch->pet != NULL )
{
char_to_room( ch->pet, ch->in_room );
act( "$n has entered the game.", ch->pet, NULL, NULL, TO_ROOM );
}
do_function( ch, &do_unread, "" );
save_char_obj( ch ); /* It can't hurt to save, can it? */
if ( need_god )
{
ch_printf( ch, "\r\nCongratulations!\r\n"
"As the first new inhabitant of this realm, "
"you are now its ruler!\r\n" );
while ( ch->level < IMPLEMENTOR )
{
ch->level++;
advance_level( ch, true );
}
ch->exp = exp_per_level( ch, ch->pcdata->points ) * UMAX( 1, ch->level );
ch->trust = ch->level;
ch->pcdata->security = 9;
save_char_obj( ch );
log_auth( ch, "%s@%s is now an IMPLEMENTOR!", NAME( ch ), d->host );
need_god = false;
}
update_player_list( ch, true );
break;
}
return;
}
/*
* Parse a name for acceptability.
*/
bool check_parse_name( const char *name )
{
int clan = 0;
/*
* Reserved words.
*/
if ( is_exact_name
( name, "all auto immortal self someone something the you loner none guest" ) )
{
return false;
}
/*
* check clans
*/
for ( clan = 0; clan < MAX_CLAN; clan++ )
{
if ( LOWER( name[0] ) == LOWER( clan_table[clan].name[0] )
&& !str_cmp( name, clan_table[clan].name ) )
return false;
}
if ( str_cmp( capitalize( name ), "Alander" ) && ( !str_prefix( "Alan", name )
|| !str_suffix( "Alander",
name ) ) )
return false;
/*
* Length restrictions.
*/
if ( strlen( name ) < 2 )
return false;
if ( strlen( name ) > 12 )
return false;
/*
* Alphanumerics only.
* Lock out IllIll twits.
*/
{
const char *pc = NULL;
bool fIll = true;
bool adjcaps = false;
bool cleancaps = false;
size_t total_caps = 0;
for ( pc = name; *pc != '\0'; pc++ )
{
if ( !isalpha( *pc ) )
return false;
if ( isupper( *pc ) ) /* ugly anti-caps hack */
{
if ( adjcaps )
cleancaps = true;
total_caps++;
adjcaps = true;
}
else
adjcaps = false;
if ( LOWER( *pc ) != 'i' && LOWER( *pc ) != 'l' )
fIll = false;
}
if ( fIll )
return false;
if ( cleancaps || ( total_caps > ( strlen( name ) ) / 2 && strlen( name ) < 3 ) )
return false;
}
/*
* Prevent players from naming themselves after mobs.
*/
{
MOB_INDEX_DATA *pMobIndex = NULL;
int iHash = 0;
for ( iHash = 0; iHash < MAX_KEY_HASH; iHash++ )
{
for ( pMobIndex = mob_index_hash[iHash];
pMobIndex != NULL; pMobIndex = pMobIndex->next )
{
if ( is_name( name, pMobIndex->player_name ) )
return false;
}
}
}
return true;
}
/*
* Look for link-dead player to reconnect.
*/
bool check_reconnect( DESCRIPTOR_DATA *d, const char *name, bool fConn )
{
CHAR_DATA *ch = NULL;
for ( ch = char_list; ch != NULL; ch = ch->next )
{
if ( !IS_NPC( ch )
&& ( !fConn || ch->desc == NULL )
&& !str_cmp( d->character->name, ch->name ) )
{
if ( fConn == false )
{
free_string( d->character->pcdata->pwd );
d->character->pcdata->pwd = str_dup( ch->pcdata->pwd );
}
else
{
free_char( d->character );
d->character = ch;
ch->desc = d;
ch->timer = 0;
ch_printf( ch, "Reconnecting. Type replay to see missed tells.\r\n" );
act( "$n has reconnected.", ch, NULL, NULL, TO_ROOM );
log_auth( ch, "%s@%s has reconnected.", NAME( ch ), d->host );
wiznet( "$N groks the fullness of $S link.", ch, NULL, WIZ_LINKS, 0, 0 );
d->connected = CON_PLAYING;
}
return true;
}
}
return false;
}
/*
* Check if already playing.
*/
bool check_playing( DESCRIPTOR_DATA *d, const char *name )
{
DESCRIPTOR_DATA *dold = NULL;
for ( dold = descriptor_list; dold; dold = dold->next )
{
if ( dold != d
&& dold->character != NULL
&& dold->connected != CON_GET_NAME
&& dold->connected != CON_GET_OLD_PASSWORD
&& !str_cmp( name, dold->original
? dold->original->name : dold->character->name ) )
{
desc_printf( d, "That character is already playing.\r\n" );
desc_printf( d, "Do you wish to connect anyway (Y/N)?" );
d->connected = CON_BREAK_CONNECT;
return true;
}
}
return false;
}
void stop_idling( CHAR_DATA *ch )
{
if ( ch == NULL
|| ch->desc == NULL
|| ch->desc->connected != CON_PLAYING
|| ch->was_in_room == NULL || ch->in_room != get_room_index( ROOM_VNUM_LIMBO ) )
return;
ch->timer = 0;
char_from_room( ch );
char_to_room( ch, ch->was_in_room );
ch->was_in_room = NULL;
act( "$n has returned from the void.", ch, NULL, NULL, TO_ROOM );
return;
}
/*
* This function logs a last error message (if Str is not NULL)
* and then calls exit with the code passed in.
*/
void proper_exit( int code, const char *Str, ... )
{
va_list arg;
char Temp[MAX_STRING_LENGTH] = "\0\0\0\0\0\0\0";
if ( Str && *Str )
{
va_start( arg, Str );
vsnprintf( Temp, MAX_STRING_LENGTH, Str, arg );
va_end( arg );
log_fatal( "%s", Temp );
}
exit( code );
}
/*
* Signal handler for game shutdown.
* Might want to call do_shutdown() or a subset of it.
*/
void shutdown_request( int a )
{
char buf[MAX_STRING_LENGTH] = "\0\0\0\0\0\0\0";
DESCRIPTOR_DATA *d = NULL;
DESCRIPTOR_DATA *d_next = NULL;
CHAR_DATA *vch = NULL;
sprintf( buf, "Shutdown by %s.", "SYSTEM -- Received SIGINT or SIGTERM" );
append_file( NULL, SHUTDOWN_FILE, buf );
strcat( buf, "\r\n" );
merc_down = true;
for ( d = descriptor_list; d != NULL; d = d_next )
{
d_next = d->next;
write_to_socket( d->socket, buf, 0 );
vch = d->original ? d->original : d->character;
if ( vch != NULL )
save_char_obj( vch );
close_descriptor( d );
}
dump_player_list( );
proper_exit( MUD_HALT, "Shutdown by %s.", "SYSTEM -- Received SIGINT or SIGTERM" );
}
/* string pager */
void show_string( struct descriptor_data *d, const char *input )
{
char buffer[4 * MAX_STRING_LENGTH] = "\0\0\0\0\0\0\0";
char buf[MAX_INPUT_LENGTH] = "\0\0\0\0\0\0\0";
char *scan = NULL;
char *chk = NULL;
int lines = 0;
bool newline = false;
int show_lines = 0;
one_argument( input, buf );
if ( buf[0] != '\0' )
{
if ( d->showstr_head )
{
free_mem( d->showstr_head, strlen( d->showstr_head ) + 1 );
d->showstr_head = 0;
}
d->showstr_point = 0;
return;
}
if ( d->character )
show_lines = d->character->lines;
else
show_lines = 0;
for ( scan = buffer;; scan++, d->showstr_point++ )
{
if ( ( *scan = *d->showstr_point ) == '\r' || *scan == '\n' )
{
if ( newline == false )
{
newline = true;
lines++;
}
else
{
newline = false;
}
}
else if ( !*scan || ( show_lines > 0 && lines >= show_lines ) )
{
*scan = '\0';
write_to_buffer( d, buffer, strlen( buffer ) );
for ( chk = d->showstr_point; isspace( *chk ); chk++ );
{
if ( !*chk )
{
if ( d->showstr_head )
{
free_mem( d->showstr_head, strlen( d->showstr_head ) + 1 );
d->showstr_head = 0;
}
d->showstr_point = 0;
}
}
return;
}
else
{
newline = false;
}
}
return;
}
/*
* Bust a prompt (player settable prompt)
* coded by Morgenes for Aldara Mud
*/
void bust_a_prompt( CHAR_DATA *ch )
{
char buf[MAX_STRING_LENGTH] = "\0\0\0\0\0\0\0";
char buf2[MAX_STRING_LENGTH] = "\0\0\0\0\0\0\0";
const char *str = NULL;
const char *i = NULL;
char *point = NULL;
char doors[MAX_INPUT_LENGTH] = "\0\0\0\0\0\0\0";
EXIT_DATA *pexit = NULL;
bool found = false;
int door = -1;
point = buf;
str = ch->prompt;
if ( str == NULL || str[0] == '\0' )
{
ch_printf( ch, "<%dhp %dm %dmv> %s", ch->hit, ch->mana, ch->move, ch->prefix );
return;
}
if ( IS_SET( ch->comm, COMM_AFK ) )
{
ch_printf( ch, "<AFK> " );
return;
}
while ( *str != '\0' )
{
if ( *str != '%' )
{
*point++ = *str++;
continue;
}
++str;
switch ( *str )
{
default:
i = " ";
break;
case 'e':
found = false;
doors[0] = '\0';
for ( door = 0; door < MAX_EXIT; door++ )
{
if ( ( pexit = ch->in_room->exit[door] ) != NULL
&& pexit->u1.to_room != NULL
&& ( can_see_room( ch, pexit->u1.to_room )
|| ( IS_AFFECTED( ch, AFF_INFRARED )
&& !IS_AFFECTED( ch, AFF_BLIND ) ) )
&& !IS_SET( pexit->exit_info, EX_CLOSED ) )
{
found = true;
strcat( doors, dir_abbrev[door] );
}
}
if ( !found )
strcat( buf, "none" );
sprintf( buf2, "%s", doors );
i = buf2;
break;
case 'c':
sprintf( buf2, "%s", "\r\n" );
i = buf2;
break;
case 'h':
sprintf( buf2, "%d", ch->hit );
i = buf2;
break;
case 'H':
sprintf( buf2, "%d", ch->max_hit );
i = buf2;
break;
case 'm':
sprintf( buf2, "%d", ch->mana );
i = buf2;
break;
case 'M':
sprintf( buf2, "%d", ch->max_mana );
i = buf2;
break;
case 'v':
sprintf( buf2, "%d", ch->move );
i = buf2;
break;
case 'V':
sprintf( buf2, "%d", ch->max_move );
i = buf2;
break;
case 'x':
sprintf( buf2, "%d", ch->exp );
i = buf2;
break;
case 'X':
sprintf( buf2, "%d", IS_NPC( ch ) ? 0 :
( ch->level + 1 ) * exp_per_level( ch,
ch->pcdata->points ) -
ch->exp );
i = buf2;
break;
case 'g':
sprintf( buf2, "%d", ch->gold );
i = buf2;
break;
case 's':
sprintf( buf2, "%d", ch->silver );
i = buf2;
break;
case 'a':
if ( ch->level > 9 )
sprintf( buf2, "%d", ch->alignment );
else
sprintf( buf2, "%s", IS_GOOD( ch ) ? "good" : IS_EVIL( ch ) ?
"evil" : "neutral" );
i = buf2;
break;
case 'r':
if ( ch->in_room != NULL )
sprintf( buf2, "%s",
( ( !IS_NPC( ch ) && IS_SET( ch->act, PLR_HOLYLIGHT ) ) ||
( !IS_AFFECTED( ch, AFF_BLIND )
&& !room_is_dark( ch->in_room ) ) ) ? ch->
in_room->name : "darkness" );
else
sprintf( buf2, " " );
i = buf2;
break;
case 'R':
if ( IS_IMMORTAL( ch ) && ch->in_room != NULL )
sprintf( buf2, "%d", ch->in_room->vnum );
else
sprintf( buf2, " " );
i = buf2;
break;
case 'z':
if ( IS_IMMORTAL( ch ) && ch->in_room != NULL )
sprintf( buf2, "%s", ch->in_room->area->name );
else
sprintf( buf2, " " );
i = buf2;
break;
case '%':
sprintf( buf2, "%%" );
i = buf2;
break;
case 'o':
sprintf( buf2, "%s", olc_ed_name( ch ) );
i = buf2;
break;
case 'O':
sprintf( buf2, "%s", olc_ed_vnum( ch ) );
i = buf2;
break;
}
++str;
while ( ( *point = *i ) != '\0' )
++point, ++i;
}
write_to_buffer( ch->desc, buf, point - buf );
if ( ch->prefix[0] != '\0' )
write_to_buffer( ch->desc, ch->prefix, 0 );
return;
}
/*
* Lowest level output function.
* Write a block of text to the file descriptor.
* If this gives errors on very long blocks (like 'ofind all'),
* try lowering the max block size.
*/
bool write_to_socket( int sock, const char *txt, int length )
{
int iStart = 0;
int nWrite = 0;
size_t nBlock = 0;
if ( length <= 0 )
length = strlen( txt );
for ( iStart = 0; iStart < length; iStart += nWrite )
{
nBlock = UMIN( length - iStart, 4096 );
if ( ( nWrite =
write( ( int ) sock, ( const void * ) ( txt + iStart ), nBlock ) ) < 0 )
{
char *e = strerror( errno );
log_error( "socket write size mismatch: %s", e );
return false;
}
}
return true;
}
/*
* Append onto an output buffer.
*/
void write_to_buffer( DESCRIPTOR_DATA *d, const char *txt, int length )
{
/*
* Find length in case caller didn't.
*/
if ( length <= 0 )
length = strlen( txt );
/*
* Initial \r\n if needed.
*/
if ( d->outtop == 0 && !d->fcommand )
{
d->outbuf[0] = '\r';
d->outbuf[1] = '\n';
d->outtop = 2;
}
/*
* Expand the buffer as needed.
*/
while ( d->outtop + length >= d->outsize )
{
char *outbuf = NULL;
if ( d->outsize >= 32000 )
{
log_error( "%s", "Buffer overflow, closing socket" );
close_descriptor( d );
return;
}
outbuf = ( char * ) alloc_mem( 2 * d->outsize );
strncpy( outbuf, d->outbuf, d->outtop );
free_mem( d->outbuf, d->outsize );
d->outbuf = outbuf;
d->outsize *= 2;
}
/*
* Copy.
*/
strncpy( d->outbuf + d->outtop, txt, length );
d->outtop += length;
return;
}
void desc_printf( DESCRIPTOR_DATA *d, const char *format, ... )
{
va_list arg;
char Str[MAX_STRING_LENGTH] = "\0\0\0\0\0\0\0";
if ( !format || !*format || !d )
return;
va_start( arg, format );
vsnprintf( Str, MAX_STRING_LENGTH, format, arg );
va_end( arg );
write_to_buffer( d, Str, strlen( Str ) );
return;
}
/*
* Write to one char.
*/
void send_to_char( const char *format, CHAR_DATA *ch )
{
if ( !format || !*format || !ch || !ch->desc )
return;
write_to_buffer( ch->desc, format, strlen( format ) );
return;
}
void ch_printf( CHAR_DATA *ch, const char *format, ... )
{
va_list arg;
char Str[MAX_STRING_LENGTH] = "\0\0\0\0\0\0\0";
if ( !format || !*format || !ch || !ch->desc )
return;
va_start( arg, format );
vsnprintf( Str, MAX_STRING_LENGTH, format, arg );
va_end( arg );
write_to_buffer( ch->desc, Str, strlen( Str ) );
return;
}
/*
* Send a page to one char.
*/
void page_to_char( const char *format, CHAR_DATA *ch )
{
if ( !format || !*format || !ch || !ch->desc )
return;
page_printf( ch, "%s", format );
return;
}
void page_printf( CHAR_DATA *ch, const char *format, ... )
{
va_list arg;
char Str[MAX_STRING_LENGTH] = "\0\0\0\0\0\0\0";
if ( !format || !*format || !ch || !ch->desc )
return;
va_start( arg, format );
vsnprintf( Str, MAX_STRING_LENGTH, format, arg );
va_end( arg );
if ( ch->lines == 0 )
{
write_to_buffer( ch->desc, Str, strlen( Str ) );
return;
}
if ( ch->desc->showstr_head &&
( strlen( Str ) + strlen( ch->desc->showstr_head ) + 1 ) < 32000 )
{
char *tmp = NULL;
tmp =
( char * ) alloc_mem( strlen( Str ) + strlen( ch->desc->showstr_head ) + 1 );
strcpy( tmp, ch->desc->showstr_head );
strcat( tmp, Str );
ch->desc->showstr_point = tmp +
( ch->desc->showstr_point - ch->desc->showstr_head );
free_mem( ch->desc->showstr_head, strlen( ch->desc->showstr_head ) + 1 );
ch->desc->showstr_head = tmp;
}
else
{
if ( ch->desc->showstr_head )
free_mem( ch->desc->showstr_head, strlen( ch->desc->showstr_head ) + 1 );
ch->desc->showstr_head = ( char * ) alloc_mem( strlen( Str ) + 1 );
strcpy( ch->desc->showstr_head, Str );
ch->desc->showstr_point = ch->desc->showstr_head;
show_string( ch->desc, "" );
}
return;
}
void act_new( const char *format, CHAR_DATA *ch, const void *arg1,
const void *arg2, int type, int min_pos )
{
if ( format == NULL || format[0] == '\0' )
return;
act_printf( "%s", ch, arg1, arg2, type, min_pos, false, format );
return;
}
void act_printf( const char *format, CHAR_DATA *ch, const void *arg1,
const void *arg2, int type, int min_pos, bool hide_invis, ... )
{
va_list arg;
char Str[MAX_STRING_LENGTH] = "\0\0\0\0\0\0\0";
char buf[MAX_STRING_LENGTH] = "\0\0\0\0\0\0\0";
char fname[MAX_INPUT_LENGTH] = "\0\0\0\0\0\0\0";
char *strp = NULL;
char *point = NULL;
const char *i = NULL;
CHAR_DATA *to = NULL;
const CHAR_DATA *vch = ( const CHAR_DATA * ) arg2;
const OBJ_DATA *obj1 = ( const OBJ_DATA * ) arg1;
const OBJ_DATA *obj2 = ( const OBJ_DATA * ) arg2;
/*
* Discard null and zero-length messages.
*/
if ( format == NULL || format[0] == '\0' )
return;
/*
* discard null rooms and chars
*/
if ( ch == NULL || ch->in_room == NULL )
return;
/*
* Figure out which "to" we want...
*/
to = ch->in_room->people;
if ( type == TO_VICT )
{
if ( vch == NULL || vch->in_room == NULL )
{
log_error( "TO_VICT type, but %s is NULL", vch ? "vch->in_room" : "vch" );
return;
}
to = vch->in_room->people;
}
/*
* If nobody is in the room (at all), just stop here
*/
if ( to == NULL )
return;
/*
* Ok, someone can hear us... parse the varargs!
*/
va_start( arg, hide_invis );
vsnprintf( Str, MAX_STRING_LENGTH, format, arg );
va_end( arg );
/*
* This loop goes through everyone in the target room
*/
for ( ; to != NULL; to = to->next_in_room )
{
/*
* If anyone can't here us, skip them
*/
if ( !IS_NPC( to ) && to->desc == NULL )
continue;
if ( IS_NPC( to ) && !HAS_TRIGGER( to, TRIG_ACT ) )
continue;
if ( to->position < min_pos )
continue;
if ( !IS_AWAKE( to ) )
continue;
if ( !can_see( to, ch ) && hide_invis )
continue;
if ( type == TO_CHAR && to != ch )
continue;
if ( type == TO_VICT && ( to != vch || to == ch ) )
continue;
if ( type == TO_ROOM && to == ch )
continue;
if ( type == TO_NOTVICT && ( to == ch || to == vch ) )
continue;
/*
* Now parse the act-tokens for the current recipient
*/
for ( strp = Str, point = buf;; )
{
if ( *strp == '$' )
{
switch ( *( ++strp ) )
{
default:
log_error( "Illegal $-code to act(): $%c in %s", *strp, Str );
i = "$?";
break;
case '$':
i = "$";
break;
case 't':
if ( arg1 == NULL )
{
log_error( "NULL arg1 to act(): $%c in %s", *strp, Str );
i = "$?";
}
else
i = ( const char * ) arg1;
break;
case 'T':
if ( arg2 == NULL )
{
log_error( "NULL arg2 to act(): $%c in %s", *strp, Str );
i = "$?";
}
else
i = ( const char * ) arg2;
break;
case 'n':
i = PERS( ch, to );
break;
case 'N':
i = PERS( vch, to );
break;
case 'e':
i = HESHE( ch );
break;
case 'E':
i = HESHE( vch );
break;
case 'm':
i = HIMHER( ch );
break;
case 'M':
i = HIMHER( vch );
break;
case 's':
i = HISHER( ch );
break;
case 'S':
i = HISHER( vch );
break;
case 'p':
i = OPERS( obj1, to );
break;
case 'P':
i = OPERS( obj2, to );
break;
case 'a':
i = ANA( obj1->name );
break;
case 'A':
i = ANA( obj2->name );
break;
case 'd':
if ( arg2 == NULL || ( ( const char * ) arg2 )[0] == '\0' )
{
i = "door";
}
else
{
one_argument( ( const char * ) arg2, fname );
i = fname;
}
break;
}
while ( ( *point = *( i++ ) ) )
++point;
++strp;
}
else if ( !( *( point++ ) = *( strp++ ) ) )
break;
}
*( --point ) = '\r';
*( ++point ) = '\n';
*( ++point ) = '\0';
buf[0] = UPPER( buf[0] );
if ( to->desc != NULL )
write_to_buffer( to->desc, buf, point - buf );
else if ( MOBtrigger )
mp_act_trigger( buf, to, ch, arg1, arg2, TRIG_ACT );
if ( ( type == TO_VICT ) || ( type == TO_CHAR ) )
return;
}
return;
}
void wiznet( const char *format, CHAR_DATA *ch, OBJ_DATA *obj,
int flag, int flag_skip, int min_level )
{
if ( format == NULL || format[0] == '\0' )
return;
wiz_printf( ch, obj, flag, flag_skip, min_level, "%s", format );
return;
}
void wiz_printf( CHAR_DATA *ch, OBJ_DATA *obj, int flag, int flag_skip,
int min_level, const char *format, ... )
{
va_list arg;
char Str[MAX_STRING_LENGTH] = "\0\0\0\0\0\0\0";
DESCRIPTOR_DATA *d = NULL;
if ( format == NULL || format[0] == '\0' )
return;
va_start( arg, format );
vsnprintf( Str, MAX_STRING_LENGTH, format, arg );
va_end( arg );
for ( d = descriptor_list; d != NULL; d = d->next )
{
if ( d->connected == CON_PLAYING
&& IS_IMMORTAL( d->character )
&& IS_SET( d->character->wiznet, WIZ_ON )
&& ( !flag || IS_SET( d->character->wiznet, flag ) )
&& ( !flag_skip || !IS_SET( d->character->wiznet, flag_skip ) )
&& get_trust( d->character ) >= min_level && d->character != ch )
{
act_printf( "%s%s", d->character, obj, ch, TO_CHAR, POS_DEAD, false,
IS_SET( d->character->wiznet, WIZ_PREFIX ) ? "--> " : "", Str );
}
}
return;
}