X-Git-Url: http://git.pk910.de/?p=ircu2.10.12-pk.git;a=blobdiff_plain;f=ircd%2Fm_stats.c;fp=ircd%2Fm_stats.c;h=a68d0d7f804f527093a313202f54db496048843b;hp=0000000000000000000000000000000000000000;hb=0400a5a6479398d82526785c18c0df8bc8b92dce;hpb=d17e10da972ce5776c60b4c317267c6abe0e1ead diff --git a/ircd/m_stats.c b/ircd/m_stats.c new file mode 100644 index 0000000..a68d0d7 --- /dev/null +++ b/ircd/m_stats.c @@ -0,0 +1,166 @@ +/* + * IRC - Internet Relay Chat, ircd/m_stats.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. + * + * $Id$ + */ + +/* + * 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. + */ +#include "config.h" + +#include "client.h" +#include "ircd.h" +#include "ircd_features.h" +#include "ircd_log.h" +#include "ircd_reply.h" +#include "ircd_string.h" +#include "msg.h" +#include "numeric.h" +#include "s_stats.h" +#include "s_user.h" +#include "send.h" +#include "struct.h" + +/* #include -- Now using assert in ircd_log.h */ +#include +#include + +/* + * m_stats - generic message handler + * + * parv[0] = sender prefix + * parv[1] = statistics selector + * parv[2] = target server (current server defaulted, if omitted) + * And 'stats l' and 'stats' L: + * parv[3] = server mask ("*" default, if omitted) + * Or for stats p,P: + * parv[3] = port mask (returns p-lines when its port is matched by this) + * Or for stats k,K,i and I: + * parv[3] = [user@]host.name (returns which K/I-lines match this) + * or [user@]host.mask (returns which K/I-lines are mmatched by this) + * (defaults to old reply if omitted, when local or Oper) + * A remote mask (something containing wildcards) is only + * allowed for IRC Operators. + */ +int +m_stats(struct Client* cptr, struct Client* sptr, int parc, char* parv[]) +{ + const struct StatDesc *sd; + char *param; + + /* If we didn't find a descriptor, send them help */ + if ((parc < 2) || !(sd = stats_find(parv[1]))) + parv[1] = "*", sd = stats_find("*"); + + assert(sd != 0); + + /* Check whether the client can issue this command. If source is + * not privileged (server or an operator), then the STAT_FLAG_OPERONLY + * flag must not be set, and if the STAT_FLAG_OPERFEAT flag is set, + * then the feature given by sd->sd_control must be off. + * + * This checks cptr rather than sptr so that a local oper may send + * /stats queries to other servers. + */ + if (!IsPrivileged(cptr) && + ((sd->sd_flags & STAT_FLAG_OPERONLY) || + ((sd->sd_flags & STAT_FLAG_OPERFEAT) && feature_bool(sd->sd_control)))) + return send_reply(sptr, ERR_NOPRIVILEGES); + + /* Check for extra parameter */ + if ((sd->sd_flags & STAT_FLAG_VARPARAM) && parc > 3 && !EmptyString(parv[3])) + param = parv[3]; + else + param = NULL; + + /* Ok, track down who's supposed to get this... */ + if (hunt_server_cmd(sptr, CMD_STATS, cptr, feature_int(FEAT_HIS_REMOTE), + param ? "%s %C :%s" : "%s :%C", 2, parc, parv) != + HUNTED_ISME) + return 0; /* Someone else--cool :) */ + + /* Check if they are a local user */ + if ((sd->sd_flags & STAT_FLAG_LOCONLY) && !MyUser(sptr)) + return send_reply(sptr, ERR_NOPRIVILEGES); + + assert(sd->sd_func != 0); + + /* Ok, dispatch the stats function */ + (*sd->sd_func)(sptr, sd, param); + + /* Done sending them the stats */ + return send_reply(sptr, RPL_ENDOFSTATS, parv[1]); +}