/************************************************************************
 *   IRC - Internet Relay Chat, ircd/s_err.c
 *   Copyright (C) 1992 Darren Reed
 *
 *   This program is free software; you can redistribute it and/or modify
 *   it under the terms of the GNU General Public License as published by
 *   the Free Software Foundation; either version 1, or (at your option)
 *   any later version.
 *
 *   This program is distributed in the hope that it will be useful,
 *   but WITHOUT ANY WARRANTY; without even the implied warranty of
 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *   GNU General Public License for more details.
 *
 *   You should have received a copy of the GNU General Public License
 *   along with this program; if not, write to the Free Software
 *   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 */

#include "struct.h"
#include "numeric.h"

#ifndef lint
static  char sccsid[] = "@(#)s_err.c	1.12 11/1/93 (C) 1992 Darren Reed";
#endif

typedef	struct	{
	int	num_val;
	char	*num_form;
} Numeric;

static	char	*prepbuf PROTO((char *, int, char *));
static	char	numbuff[512];
static	char	numbers[] = "0123456789";

static	Numeric	local_replies[] = {
{/* 000 */	0, (char *)NULL},
{/* 001 */	RPL_WELCOME, ":Welcome to the Internet Relay Network %s"},
{/* 002 */	RPL_YOURHOST, ":Your host is %s, running version %s"},
{/* 003 */	RPL_CREATED, ":This server was created %s"},
{/* 004 */	RPL_MYINFO, "%s %s dioswk biklmnopstv"},
{/* 005 */	RPL_MAP, ":%s%s"},
{/* 006 */	RPL_MAPMORE, ":%s%s --> *more*"},
{/* 007 */	RPL_MAPEND, ":End of /MAP"},
{		0, (char *)NULL}
};

static	Numeric	numeric_errors[] = {
{/* 401 */	ERR_NOSUCHNICK, "%s :No such nick/channel"},
{/* 402 */	ERR_NOSUCHSERVER, "%s :No such server"},
{/* 402 */	ERR_NOSUCHCHANNEL, "%s :No such channel"},
{/* 402 */	ERR_CANNOTSENDTOCHAN, "%s :Cannot send to channel"},
{/* 402 */	ERR_TOOMANYCHANNELS, "%s :You have joined too many channels"},
{/* 402 */	ERR_WASNOSUCHNICK, "%s :There was no such nickname"},
{/* 402 */	ERR_TOOMANYTARGETS,
		"%s :Duplicate recipients. No message delivered"},
{/* 402 */	ERR_NOSUCHSERVICE, (char *)NULL},
{/* 402 */	ERR_NOORIGIN, ":No origin specified"},
{		0, (char *)NULL},
{/* 411 */	ERR_NORECIPIENT, ":No recipient given (%s)"},
{/* 411 */	ERR_NOTEXTTOSEND, ":No text to send"},
{/* 411 */	ERR_NOTOPLEVEL, "%s :No toplevel domain specified"},
{/* 411 */	ERR_WILDTOPLEVEL, "%s :Wildcard in toplevel Domain"},
{		0, (char *)NULL}, {0, (char *)NULL}, {0, (char *)NULL},
{		0, (char *)NULL}, {0, (char *)NULL}, {0, (char *)NULL},
{/* 421 */	ERR_UNKNOWNCOMMAND, "%s :Unknown command"},
{/* 422 */	ERR_NOMOTD, ":MOTD File is missing"},
{/* 422 */	ERR_NOADMININFO,
		"%s :No administrative info available"},
{/* 422 */	ERR_FILEERROR, ":File error doing %s on %s"},
{		0, (char *)NULL}, {0, (char *)NULL}, {0, (char *)NULL},
{		0, (char *)NULL}, {0, (char *)NULL}, {0, (char *)NULL},
{/* 431 */	ERR_NONICKNAMEGIVEN, ":No nickname given"},
{/* 432 */	ERR_ERRONEUSNICKNAME, "%s :Erroneus Nickname"},
{/* 433 */	ERR_NICKNAMEINUSE, "%s :Nickname is already in use."},
{/* 434 */	ERR_SERVICENAMEINUSE, (char *)NULL},
{/* 435 */	ERR_SERVICECONFUSED, (char *)NULL},
{/* 436 */	ERR_NICKCOLLISION, "%s :Nickname collision KILL"},
{/* 437 */	ERR_BANNICKCHANGE,
		"%s :Cannot change nickname while banned on channel"},
{/* 438 */	ERR_NICKTOOFAST, "%s :Nick change too fast. Please wait %d seconds."},
{		0, (char *)NULL}, {0, (char *)NULL},
{/* 441 */	ERR_USERNOTINCHANNEL, "%s %s :They aren't on that channel"},
{/* 442 */	ERR_NOTONCHANNEL, "%s :You're not on that channel"},
{/* 443 */	ERR_USERONCHANNEL, "%s %s :is already on channel"},
{/* 444 */	ERR_NOLOGIN, "%s :User not logged in"},
#ifndef	ENABLE_SUMMON
{/* 445 */	ERR_SUMMONDISABLED, ":SUMMON has been disabled"},
#else
{		0, (char *)NULL},
#endif
#ifndef	ENABLE_USERS
{/* 446 */	ERR_USERSDISABLED, ":USERS has been disabled"},
#else
{		0, (char *)NULL},
#endif
{		0, (char *)NULL}, {0, (char *)NULL}, {0, (char *)NULL},
{		0, (char *)NULL},
{/* 451 */	ERR_NOTREGISTERED, ":You have not registered"},
{		0, (char *)NULL}, {0, (char *)NULL}, {0, (char *)NULL},
{		0, (char *)NULL}, {0, (char *)NULL}, {0, (char *)NULL},
{		0, (char *)NULL}, {0, (char *)NULL}, {0, (char *)NULL},
{/* 461 */	ERR_NEEDMOREPARAMS, "%s :Not enough parameters"},
{/* 462 */	ERR_ALREADYREGISTRED, ":You may not reregister"},
{/* 463 */	ERR_NOPERMFORHOST, ":Your host isn't among the privileged"},
{/* 464 */	ERR_PASSWDMISMATCH, ":Password Incorrect"},
{/* 465 */	ERR_YOUREBANNEDCREEP, ":You are banned from this server"},
{/* 466 */	ERR_YOUWILLBEBANNED, (char *)NULL},
{/* 467 */	ERR_KEYSET, "%s :Channel key already set"},
{		0, (char *)NULL}, {0, (char *)NULL}, {0, (char *)NULL},
{/* 471 */	ERR_CHANNELISFULL, "%s :Cannot join channel (+l)"},
{/* 472 */	ERR_UNKNOWNMODE  , "%c :is unknown mode char to me"},
{/* 473 */	ERR_INVITEONLYCHAN, "%s :Cannot join channel (+i)"},
{/* 474 */	ERR_BANNEDFROMCHAN, "%s :Cannot join channel (+b)"},
{/* 475 */	ERR_BADCHANNELKEY, "%s :Cannot join channel (+k)"},
{/* 476 */	ERR_BADCHANMASK, "%s :Bad Channel Mask"},
{		0, (char *)NULL},
{/* 478 */	ERR_BANLISTFULL, "%s %s :Channel ban/ignore list is full"},
{		0, (char *)NULL}, {0, (char *)NULL},
{/* 481 */	ERR_NOPRIVILEGES,
		":Permission Denied- You're not an IRC operator"},
{/* 482 */	ERR_CHANOPRIVSNEEDED, "%s :You're not channel operator"},
{/* 483 */	ERR_CANTKILLSERVER, ":You cant kill a server!"},
{/* 484 */	ERR_ISCHANSERVICE, "%s %s :Cannot kick or deop channel service"},
{		0, (char *)NULL}, {0, (char *)NULL}, {0, (char *)NULL},
{		0, (char *)NULL}, {0, (char *)NULL}, {0, (char *)NULL},
{/* 491 */	ERR_NOOPERHOST, ":No O-lines for your host"},
{/* 492 */	ERR_NOSERVICEHOST, (char *)NULL},
{		0, (char *)NULL}, {0, (char *)NULL}, {0, (char *)NULL},
{		0, (char *)NULL}, {0, (char *)NULL}, {0, (char *)NULL},
{		0, (char *)NULL}, {0, (char *)NULL},
{/* 501 */	ERR_UMODEUNKNOWNFLAG, ":Unknown MODE flag"},
{/* 502 */	ERR_USERSDONTMATCH, ":Cant change mode for other users"},
{		0, (char *)NULL}, {0, (char *)NULL}, {0, (char *)NULL},
{		0, (char *)NULL}, {0, (char *)NULL}, {0, (char *)NULL},
{		0, (char *)NULL}, {0, (char *)NULL},
{/* 511 */	ERR_SILELISTFULL, "%s :Your silence list is full"},
{/* 512 */	ERR_NOSUCHGLINE, "%s@%s :No such gline"},
{/* 513 */	ERR_BADPING, (char*)NULL}
};

static	Numeric	numeric_replies[] = {
{/* 300 */	RPL_NONE, (char *)NULL},
{/* 301 */	RPL_AWAY, "%s :%s"},
{/* 302 */	RPL_USERHOST, ":"},
{/* 303 */	RPL_ISON, ":"},
{/* 304 */	RPL_TEXT, (char *)NULL},
{/* 305 */	RPL_UNAWAY, ":You are no longer marked as being away"},
{/* 306 */	RPL_NOWAWAY, ":You have been marked as being away"},
{		0, (char *)NULL}, {0, (char *)NULL}, {0, (char *)NULL},
{		0, (char *)NULL},
{/* 311 */	RPL_WHOISUSER, "%s %s %s * :%s"},
{/* 312 */	RPL_WHOISSERVER, "%s %s :%s"},
{/* 313 */	RPL_WHOISOPERATOR, "%s :is an IRC Operator"},
{/* 314 */	RPL_WHOWASUSER, "%s %s %s * :%s"},
{/* 315 */	RPL_ENDOFWHO, "%s :End of /WHO list."},
{/* 316 */	RPL_WHOISCHANOP, (char *)NULL},
{/* 317 */	RPL_WHOISIDLE, "%s %ld %ld :seconds idle, signon time"},
{/* 318 */	RPL_ENDOFWHOIS, "%s :End of /WHOIS list."},
{/* 319 */	RPL_WHOISCHANNELS, "%s :%s"},
{		0, (char *)NULL},
{/* 321 */	RPL_LISTSTART, "Channel :Users  Name"},
{/* 322 */	RPL_LIST, "%s %d :%s"},
{/* 323 */	RPL_LISTEND, ":End of /LIST"},
{/* 324 */	RPL_CHANNELMODEIS, "%s %s %s"},
{		0, (char *)NULL}, {0, (char *)NULL}, {0, (char *)NULL},
{		0, (char *)NULL},
{/* 329 */ RPL_CREATIONTIME, "%s %lu"},
{    0, (char *)NULL},
{/* 331 */	RPL_NOTOPIC, "%s :No topic is set."},
{/* 332 */	RPL_TOPIC, "%s :%s"},
{/* 333 */       RPL_TOPICWHOTIME, "%s %s %lu"},
{/* 334 */	RPL_LISTUSAGE, ":%s"},
{                0, (char *)NULL}, {0, (char *)NULL},
{		0, (char *)NULL}, {0, (char *)NULL}, {0, (char *)NULL},
{                0, (char *)NULL},
{/* 341 */	RPL_INVITING, "%s %s"},
{/* 342 */	RPL_SUMMONING, "%s :User summoned to irc"},
{		0, (char *)NULL}, {0, (char *)NULL},
{		0, (char *)NULL}, {0, (char *)NULL}, {0, (char *)NULL},
{		0, (char *)NULL}, {0, (char *)NULL}, {0, (char *)NULL},
{/* 351 */	RPL_VERSION, "%s.%s %s :%s"},
{/* 352 */	RPL_WHOREPLY, "%s %s %s %s %s %s :%d %s"},
{/* 353 */	RPL_NAMREPLY, "%s"},
{		0, (char *)NULL}, {0, (char *)NULL}, {0, (char *)NULL},
{		0, (char *)NULL}, {0, (char *)NULL}, {0, (char *)NULL},
{		0, (char *)NULL},
{/* 361 */	RPL_KILLDONE, (char *)NULL},
{/* 362 */	RPL_CLOSING, "%s :Closed. Status = %d"},
{/* 363 */	RPL_CLOSEEND, "%d: Connections Closed"},
{/* 364 */	RPL_LINKS, "%s %s :%d P%u %s"},
{/* 365 */	RPL_ENDOFLINKS, "%s :End of /LINKS list."},
{/* 366 */	RPL_ENDOFNAMES, "%s :End of /NAMES list."},
{/* 367 */	RPL_BANLIST, "%s %s %s %lu"},
{/* 368 */	RPL_ENDOFBANLIST, "%s :End of Channel Ban List"},
{/* 369 */	RPL_ENDOFWHOWAS, "%s :End of WHOWAS"},
{		0, (char *)NULL},
{/* 371 */	RPL_INFO, ":%s"},
{/* 372 */	RPL_MOTD, ":- %s"},
{/* 373 */	RPL_INFOSTART, ":Server INFO"},
{/* 374 */	RPL_ENDOFINFO, ":End of /INFO list."},
{/* 375 */	RPL_MOTDSTART, ":- %s Message of the Day - "},
{/* 376 */	RPL_ENDOFMOTD, ":End of /MOTD command."},
{		0, (char *)NULL}, {0, (char *)NULL}, {0, (char *)NULL},
{		0, (char *)NULL},
{/* 381 */	RPL_YOUREOPER, ":You are now an IRC Operator"},
{/* 382 */	RPL_REHASHING, "%s :Rehashing"},
{/* 383 */	RPL_YOURESERVICE, (char *)NULL},
{/* 384 */	RPL_MYPORTIS, "%d :Port to local server is\r\n"},
{/* 385 */	RPL_NOTOPERANYMORE, (char *)NULL},
{		0, (char *)NULL}, {0, (char *)NULL}, {0, (char *)NULL},
{		0, (char *)NULL}, {0, (char *)NULL},
{/* 391 */	RPL_TIME, "%s %lu %ld :%s"},
#ifdef	ENABLE_USERS
{/* 392 */	RPL_USERSSTART, ":UserID   Terminal  Host"},
{/* 393 */	RPL_USERS, ":%-8s %-9s %-8s"},
{/* 394 */	RPL_ENDOFUSERS, ":End of Users"},
{/* 395 */	RPL_NOUSERS, ":Nobody logged in."},
#else
{		0, (char *)NULL}, {0, (char *)NULL}, {0, (char *)NULL},
{		0, (char *)NULL},
#endif
{		0, (char *)NULL}, {0, (char *)NULL}, {0, (char *)NULL},
{		0, (char *)NULL},
{/* 200 */	RPL_TRACELINK, "Link %s%s %s %s"},
{/* 201 */	RPL_TRACECONNECTING, "Try. %d %s"},
{/* 202 */	RPL_TRACEHANDSHAKE, "H.S. %d %s"},
{/* 203 */	RPL_TRACEUNKNOWN, "???? %d %s"},
{/* 204 */	RPL_TRACEOPERATOR, "Oper %d %s %ld"},
{/* 205 */	RPL_TRACEUSER, "User %d %s %ld"},
{/* 206 */	RPL_TRACESERVER, "Serv %d %dS %dC %s %s!%s@%s %ld"},
{/* 207 */	RPL_TRACESERVICE, "Service %d %s"},
{/* 208 */	RPL_TRACENEWTYPE, "<newtype> 0 %s"},
{/* 209 */	RPL_TRACECLASS, "Class %d %d"},
{		0, (char *)NULL},
{/* 211 */	RPL_STATSLINKINFO, (char *)NULL},
{/* 212 */	RPL_STATSCOMMANDS, "%s %u %u"},
{/* 213 */	RPL_STATSCLINE, "%c %s * %s %d %d"},
{/* 214 */	RPL_STATSNLINE, "%c %s * %s %d %d"},
{/* 215 */	RPL_STATSILINE, "%c %s * %s %d %d"},
{/* 216 */	RPL_STATSKLINE, "%c %s %s %s %d %d"},
{/* 217 */	RPL_STATSQLINE, "%c %s * %s %d %d"},
{/* 218 */	RPL_STATSYLINE, "%c %d %d %d %d %ld"},
{/* 219 */	RPL_ENDOFSTATS, "%c :End of /STATS report"},
{		0, (char *)NULL},
{/* 221 */	RPL_UMODEIS, "%s"},
{		0, (char *)NULL}, {0, (char *)NULL}, {0, (char *)NULL},
{		0, (char *)NULL}, {0, (char *)NULL}, {0, (char *)NULL},
{		0, (char *)NULL}, {0, (char *)NULL}, {0, (char *)NULL},
{/* 231 */	RPL_SERVICEINFO, (char *)NULL},
{/* 232 */	RPL_ENDOFSERVICES, (char *)NULL},
{/* 233 */	RPL_SERVICE, (char *)NULL},
{/* 234 */	RPL_SERVLIST, (char *)NULL},
{/* 235 */	RPL_SERVLISTEND, (char *)NULL},
{		0, (char *)NULL}, {0, (char *)NULL}, {0, (char *)NULL},
{		0, (char *)NULL}, {0, (char *)NULL},
{/* 241 */	RPL_STATSLLINE, "%c %s * %s %d %d"},
{/* 242 */	RPL_STATSUPTIME, ":Server Up %d days, %d:%02d:%02d"},
{/* 243 */	RPL_STATSOLINE, "%c %s * %s %d %d"},
{/* 244 */	RPL_STATSHLINE, "%c %s * %s %d %d"},
{/* 245 */	RPL_STATSSLINE, "%c %s * %s %d %d"},
{/* 246 */       RPL_STATSTLINE, "%c %s %s"},
{/* 247 */       RPL_STATSGLINE, "%c %s@%s %lu :%s"},
{/* 248 */	RPL_STATSULINE, "%c %s * %s %d %d"},
{		0, (char *)NULL},
{/* 250 */       RPL_STATSCONN,
                ":Highest connection count: %d (%d clients)"},
{/* 251 */	RPL_LUSERCLIENT,
		":There are %d users and %d invisible on %d servers"},
{/* 252 */	RPL_LUSEROP, "%d :operator(s) online"},
{/* 253 */	RPL_LUSERUNKNOWN, "%d :unknown connection(s)"},
{/* 254 */	RPL_LUSERCHANNELS, "%d :channels formed"},
{/* 255 */	RPL_LUSERME, ":I have %d clients and %d servers"},
{/* 256 */	RPL_ADMINME, ":Administrative info about %s"},
{/* 257 */	RPL_ADMINLOC1, ":%s"},
{/* 258 */	RPL_ADMINLOC2, ":%s"},
{/* 259 */	RPL_ADMINEMAIL, ":%s"},
{		0, (char *)NULL},
{/* 261 */	RPL_TRACELOG, "File %s %d"},
{/* 262 */	RPL_TRACEPING, "Ping %s %s"},
{		0, (char *)NULL}, {0, (char *)NULL},
{		0, (char *)NULL}, {0, (char *)NULL}, {0, (char *)NULL},
{		0, (char *)NULL}, {0, (char *)NULL}, {0, (char *)NULL},
{/* 271 */	RPL_SILELIST, "%s %s"},
{/* 272 */	RPL_ENDOFSILELIST, ":End of Silence List"},
{		0, (char *)NULL}, {0, (char *)NULL},
{/* 275 */	RPL_STATSDLINE, "%c %s %s"},
{		0, (char *)NULL}, {0, (char *)NULL}, {0, (char *)NULL},
{		0, (char *)NULL},
{/* 280 */	RPL_GLIST, "%s@%s %lu %s%s"},
{/* 281 */	RPL_ENDOFGLIST, ":End of G-line List"}
};

char	*err_str(numeric)
int	numeric;
{
	Reg1	Numeric	*nptr;
	Reg2	int	num = numeric;

	num -= numeric_errors[0].num_val;
	if (num < 0 || num > ERR_USERSDONTMATCH)
		(void)sprintf(numbuff,
			":%%s %d %%s :INTERNAL ERROR: BAD NUMERIC! %d",
			numeric, num);
	else
	    {
		nptr = &numeric_errors[num];
		if (!nptr->num_form || !nptr->num_val)
			(void)sprintf(numbuff,
				":%%s %d %%s :NO ERROR FOR NUMERIC ERROR %d",
				numeric, num);
		else
			(void)prepbuf(numbuff, nptr->num_val, nptr->num_form);
	    }
	return numbuff;
}


char	*rpl_str(numeric)
int	numeric;
{
	Reg1	Numeric	*nptr;
	Reg2	int	num = numeric;

	if (num > 7)
		num -= (num > 300) ? 300 : 100;

	if (num < 0 || num > 200)
		(void)sprintf(numbuff,
			":%%s %d %%s :INTERNAL REPLY ERROR: BAD NUMERIC! %d",
			numeric, num);
	else
	    {
		if (numeric > 99)
			nptr = &numeric_replies[num];
		else
			nptr = &local_replies[num];
		Debug((DEBUG_NUM, "rpl_str: numeric %d num %d nptr %x %d %x",
			numeric, num, nptr, nptr->num_val, nptr->num_form));
		if (!nptr->num_form || !nptr->num_val)
			(void)sprintf(numbuff,
				":%%s %d %%s :NO REPLY FOR NUMERIC ERROR %d",
				numeric, num);
		else
			(void)prepbuf(numbuff, nptr->num_val, nptr->num_form);
	    }
	return numbuff;
}

static	char	*prepbuf(buffer, num, tail)
char	*buffer;
Reg1	int	num;
char	*tail;
{
	Reg1	char	*s;

	(void)strcpy(buffer, ":%s ");
	s = buffer + 4;

	*s++ = numbers[num/100];
	num %= 100;
	*s++ = numbers[num/10];
	*s++ = numbers[num%10];
	(void)strcpy(s, " %s ");
	(void)strcpy(s+4, tail);
	return buffer;
}