--- /dev/null
+/*
+ * IRC - Internet Relay Chat, ircd/querycmds.c (formerly ircd/s_serv.c)
+ * Copyright (C) 1990 Jarkko Oikarinen and
+ * University of Oulu, Computing Center
+ *
+ * See file AUTHORS in IRC package for additional names of
+ * the programmers.
+ *
+ * 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 "sys.h"
+#include <sys/stat.h>
+#if HAVE_FCNTL_H
+#include <fcntl.h>
+#endif
+#include <stdlib.h>
+#if HAVE_UNISTD_H
+#include <unistd.h>
+#endif
+#include "h.h"
+#include "struct.h"
+#include "parse.h"
+#include "send.h"
+#include "s_err.h"
+#include "numeric.h"
+#include "ircd.h"
+#include "s_user.h"
+#include "version.h"
+#include "s_bsd.h"
+#include "s_misc.h"
+#include "match.h"
+#include "s_serv.h"
+#include "msg.h"
+#include "channel.h"
+#include "numnicks.h"
+#include "userload.h"
+#include "s_conf.h"
+#include "support.h"
+#include "querycmds.h"
+
+RCSTAG_CC("$Id$");
+
+/*
+ * m_functions execute protocol messages on this server:
+ *
+ * cptr is always NON-NULL, pointing to a *LOCAL* client
+ * structure (with an open socket connected!). This
+ * identifies the physical socket where the message
+ * originated (or which caused the m_function to be
+ * executed--some m_functions may call others...).
+ *
+ * sptr is the source of the message, defined by the
+ * prefix part of the message if present. If not
+ * or prefix not found, then sptr==cptr.
+ *
+ * (!IsServer(cptr)) => (cptr == sptr), because
+ * prefixes are taken *only* from servers...
+ *
+ * (IsServer(cptr))
+ * (sptr == cptr) => the message didn't
+ * have the prefix.
+ *
+ * (sptr != cptr && IsServer(sptr) means
+ * the prefix specified servername. (?)
+ *
+ * (sptr != cptr && !IsServer(sptr) means
+ * that message originated from a remote
+ * user (not local).
+ *
+ * combining
+ *
+ * (!IsServer(sptr)) means that, sptr can safely
+ * taken as defining the target structure of the
+ * message in this server.
+ *
+ * *Always* true (if 'parse' and others are working correct):
+ *
+ * 1) sptr->from == cptr (note: cptr->from == cptr)
+ *
+ * 2) MyConnect(sptr) <=> sptr == cptr (e.g. sptr
+ * *cannot* be a local connection, unless it's
+ * actually cptr!). [MyConnect(x) should probably
+ * be defined as (x == x->from) --msa ]
+ *
+ * parc number of variable parameter strings (if zero,
+ * parv is allowed to be NULL)
+ *
+ * parv a NULL terminated list of parameter pointers,
+ *
+ * parv[0], sender (prefix string), if not present
+ * this points to an empty string.
+ * parv[1]...parv[parc-1]
+ * pointers to additional parameters
+ * parv[parc] == NULL, *always*
+ *
+ * note: it is guaranteed that parv[0]..parv[parc-1] are all
+ * non-NULL pointers.
+ */
+
+/*
+ * m_version
+ *
+ * parv[0] = sender prefix
+ * parv[1] = remote server
+ */
+int m_version(aClient *cptr, aClient *sptr, int parc, char *parv[])
+{
+ Reg1 aClient *acptr;
+
+ if (MyConnect(sptr) && parc > 1)
+ {
+ if (!(acptr = find_match_server(parv[1])))
+ {
+ sendto_one(sptr, err_str(ERR_NOSUCHSERVER), me.name, parv[0], parv[1]);
+ return 0;
+ }
+ parv[1] = acptr->name;
+ }
+
+ if (hunt_server(0, cptr, sptr, ":%s VERSION :%s", 1, parc, parv) ==
+ HUNTED_ISME)
+ sendto_one(sptr, rpl_str(RPL_VERSION),
+ me.name, parv[0], version, debugmode, me.name, serveropts);
+
+ return 0;
+}
+
+/*
+ * m_info
+ *
+ * parv[0] = sender prefix
+ * parv[1] = servername
+ */
+int m_info(aClient *cptr, aClient *sptr, int parc, char *parv[])
+{
+ const char **text = infotext;
+
+ if (hunt_server(1, cptr, sptr, ":%s INFO :%s", 1, parc, parv) == HUNTED_ISME)
+ {
+ while (text[2])
+ {
+ if (!IsOper(sptr))
+ sendto_one(sptr, rpl_str(RPL_INFO), me.name, parv[0], *text);
+ text++;
+ }
+ if (IsOper(sptr))
+ {
+ while (*text)
+ sendto_one(sptr, rpl_str(RPL_INFO), me.name, parv[0], *text++);
+ sendto_one(sptr, rpl_str(RPL_INFO), me.name, parv[0], "");
+ }
+ sendto_one(sptr, ":%s %d %s :Birth Date: %s, compile # %s",
+ me.name, RPL_INFO, parv[0], creation, generation);
+ sendto_one(sptr, ":%s %d %s :On-line since %s",
+ me.name, RPL_INFO, parv[0], myctime(me.firsttime));
+ sendto_one(sptr, rpl_str(RPL_ENDOFINFO), me.name, parv[0]);
+ }
+ return 0;
+}
+
+/*
+ * m_links
+ *
+ * parv[0] = sender prefix
+ * parv[1] = servername mask
+ *
+ * or
+ *
+ * parv[0] = sender prefix
+ * parv[1] = server to query
+ * parv[2] = servername mask
+ */
+int m_links(aClient *cptr, aClient *sptr, int parc, char *parv[])
+{
+ char *mask;
+ aClient *acptr;
+
+ if (parc > 2)
+ {
+ if (hunt_server(1, cptr, sptr, ":%s LINKS %s :%s", 1, parc, parv) !=
+ HUNTED_ISME)
+ return 0;
+ mask = parv[2];
+ }
+ else
+ mask = parc < 2 ? NULL : parv[1];
+
+ for (acptr = client, collapse(mask); acptr; acptr = acptr->next)
+ {
+ if (!IsServer(acptr) && !IsMe(acptr))
+ continue;
+ if (!BadPtr(mask) && match(mask, acptr->name))
+ continue;
+ sendto_one(sptr, rpl_str(RPL_LINKS),
+ me.name, parv[0], acptr->name, acptr->serv->up->name,
+#ifndef GODMODE
+ acptr->hopcount, acptr->serv->prot,
+#else /* GODMODE */
+ acptr->hopcount, acptr->serv->prot, acptr->serv->timestamp,
+ NumServ(acptr),
+#endif /* GODMODE */
+ (acptr->info[0] ? acptr->info : "(Unknown Location)"));
+ }
+
+ sendto_one(sptr, rpl_str(RPL_ENDOFLINKS), me.name, parv[0],
+ BadPtr(mask) ? "*" : mask);
+ return 0;
+}
+
+/*
+ * m_help
+ *
+ * parv[0] = sender prefix
+ */
+int m_help(aClient *UNUSED(cptr), aClient *sptr, int UNUSED(parc), char *parv[])
+{
+ int i;
+
+ for (i = 0; msgtab[i].cmd; i++)
+ sendto_one(sptr, ":%s NOTICE %s :%s", me.name, parv[0], msgtab[i].cmd);
+ return 0;
+}
+
+/* Counters of client/servers etc. */
+struct lusers_st nrof;
+
+void init_counters(void)
+{
+ memset(&nrof, 0, sizeof(nrof));
+ nrof.servers = 1;
+}
+
+/*
+ * m_lusers
+ *
+ * parv[0] = sender
+ * parv[1] = ignored
+ * parv[2] = server to query
+ */
+int m_lusers(aClient *cptr, aClient *sptr, int parc, char *parv[])
+{
+ if (parc > 2)
+ if (hunt_server(1, cptr, sptr, ":%s LUSERS %s :%s", 2, parc, parv) !=
+ HUNTED_ISME)
+ return 0;
+
+ sendto_one(sptr, rpl_str(RPL_LUSERCLIENT), me.name, parv[0],
+ nrof.clients - nrof.inv_clients, nrof.inv_clients, nrof.servers);
+ if (nrof.opers)
+ sendto_one(sptr, rpl_str(RPL_LUSEROP), me.name, parv[0], nrof.opers);
+ if (nrof.unknowns > 0)
+ sendto_one(sptr, rpl_str(RPL_LUSERUNKNOWN), me.name, parv[0],
+ nrof.unknowns);
+ if (nrof.channels > 0)
+ sendto_one(sptr, rpl_str(RPL_LUSERCHANNELS), me.name, parv[0],
+ nrof.channels);
+ sendto_one(sptr, rpl_str(RPL_LUSERME), me.name, parv[0], nrof.local_clients,
+ nrof.local_servers);
+
+ if (MyUser(sptr) || Protocol(cptr) < 10)
+ sendto_one(sptr,
+ ":%s NOTICE %s :Highest connection count: %d (%d clients)",
+ me.name, parv[0], max_connection_count, max_client_count);
+ else
+ sendto_one(sptr,
+ "%s NOTICE %s%s :Highest connection count: %d (%d clients)",
+ NumServ(&me), NumNick(sptr), max_connection_count, max_client_count);
+
+ return 0;
+}
+
+/*
+ * m_admin
+ *
+ * parv[0] = sender prefix
+ * parv[1] = servername
+ */
+int m_admin(aClient *cptr, aClient *sptr, int parc, char *parv[])
+{
+ aConfItem *aconf;
+
+ if (MyConnect(sptr) && parc > 1)
+ {
+ aClient *acptr;
+ if (!(acptr = find_match_server(parv[1])))
+ {
+ sendto_one(sptr, err_str(ERR_NOSUCHSERVER), me.name, parv[0], parv[1]);
+ return 0;
+ }
+ parv[1] = acptr->name;
+ }
+ if (hunt_server(0, cptr, sptr, ":%s ADMIN :%s", 1, parc, parv) != HUNTED_ISME)
+ return 0;
+ if ((aconf = find_admin()))
+ {
+ sendto_one(sptr, rpl_str(RPL_ADMINME), me.name, parv[0], me.name);
+ sendto_one(sptr, rpl_str(RPL_ADMINLOC1), me.name, parv[0], aconf->host);
+ sendto_one(sptr, rpl_str(RPL_ADMINLOC2), me.name, parv[0], aconf->passwd);
+ sendto_one(sptr, rpl_str(RPL_ADMINEMAIL), me.name, parv[0], aconf->name);
+ }
+ else
+ sendto_one(sptr, err_str(ERR_NOADMININFO), me.name, parv[0], me.name);
+ return 0;
+}
+
+/*
+ * m_motd
+ *
+ * parv[0] - sender prefix
+ * parv[1] - servername
+ *
+ * modified 30 mar 1995 by flux (cmlambertus@ucdavis.edu)
+ * T line patch - display motd based on hostmask
+ * modified again 7 sep 97 by Ghostwolf with code and ideas
+ * stolen from comstud & Xorath. All motd files are read into
+ * memory in read_motd() in s_conf.c
+ *
+ * When NODEFAULTMOTD is defined, then it is possible that
+ * sptr == NULL, which means that this function is called from
+ * register_user.
+ */
+int m_motd(aClient *cptr, aClient *sptr, int parc, char *parv[])
+{
+ struct tm *tm = &motd_tm; /* Default: Most general case */
+ atrecord *ptr;
+ int count;
+ register aMotdItem *temp;
+
+#ifdef NODEFAULTMOTD
+ int no_motd;
+
+ if (sptr)
+ {
+ no_motd = 0;
+#endif
+ if (hunt_server(0, cptr, sptr, ":%s MOTD :%s", 1, parc,
+ parv) != HUNTED_ISME)
+ return 0;
+#ifdef NODEFAULTMOTD
+ }
+ else
+ {
+ sptr = cptr;
+ no_motd = 1;
+ }
+#endif
+
+ /*
+ * Find out if this is a remote query or if we have a T line for our hostname
+ */
+ if (IsServer(cptr))
+ {
+ tm = NULL; /* Remote MOTD */
+ temp = rmotd;
+ }
+ else
+ {
+ for (ptr = tdata; ptr; ptr = ptr->next)
+ {
+ if (!match(ptr->hostmask, cptr->sockhost))
+ break;
+ }
+ if (ptr)
+ {
+ temp = ptr->tmotd;
+ tm = &ptr->tmotd_tm;
+ }
+ else
+ temp = motd;
+ }
+ if (temp == NULL)
+ {
+ sendto_one(sptr, err_str(ERR_NOMOTD), me.name, parv[0]);
+ return 0;
+ }
+#ifdef NODEFAULTMOTD
+ if (!no_motd)
+ {
+#endif
+ if (tm) /* Not remote? */
+ {
+ sendto_one(sptr, rpl_str(RPL_MOTDSTART), me.name, parv[0], me.name);
+ sendto_one(sptr, ":%s %d %s :- %d/%d/%d %d:%02d", me.name, RPL_MOTD,
+ parv[0], tm->tm_mday, tm->tm_mon + 1, 1900 + tm->tm_year,
+ tm->tm_hour, tm->tm_min);
+ count = 100;
+ }
+ else
+ count = 3;
+ for (; temp; temp = temp->next)
+ {
+ sendto_one(sptr, rpl_str(RPL_MOTD), me.name, parv[0], temp->line);
+ if (--count == 0)
+ break;
+ }
+#ifdef NODEFAULTMOTD
+ }
+ else
+ {
+ sendto_one(sptr, rpl_str(RPL_MOTDSTART), me.name, parv[0], me.name);
+ sendto_one(sptr, ":%s %d %s :%s", me.name, RPL_MOTD, parv[0],
+ "\ 2Type /MOTD to read the AUP before continuing using this service.\ 2");
+ sendto_one(sptr,
+ ":%s %d %s :The message of the day was last changed: %d/%d/%d", me.name,
+ RPL_MOTD, parv[0], tm->tm_mday, tm->tm_mon + 1, 1900 + tm->tm_year);
+ }
+#endif
+ sendto_one(sptr, rpl_str(RPL_ENDOFMOTD), me.name, parv[0]);
+ return 0;
+}
projects / ircu2.10.12-pk.git / blobdiff