238 lines
7.1 KiB
C
238 lines
7.1 KiB
C
/*
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* IRC - Internet Relay Chat, ircd/m_rping.c
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* Copyright (C) 1990 Jarkko Oikarinen and
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* University of Oulu, Computing Center
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*
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* See file AUTHORS in IRC package for additional names of
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* the programmers.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 1, or (at your option)
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* any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*
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* $Id: m_rping.c 1271 2004-12-11 05:14:07Z klmitch $
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*/
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/*
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* m_functions execute protocol messages on this server:
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*
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* cptr is always NON-NULL, pointing to a *LOCAL* client
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* structure (with an open socket connected!). This
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* identifies the physical socket where the message
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* originated (or which caused the m_function to be
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* executed--some m_functions may call others...).
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*
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* sptr is the source of the message, defined by the
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* prefix part of the message if present. If not
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* or prefix not found, then sptr==cptr.
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*
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* (!IsServer(cptr)) => (cptr == sptr), because
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* prefixes are taken *only* from servers...
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*
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* (IsServer(cptr))
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* (sptr == cptr) => the message didn't
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* have the prefix.
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*
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* (sptr != cptr && IsServer(sptr) means
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* the prefix specified servername. (?)
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*
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* (sptr != cptr && !IsServer(sptr) means
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* that message originated from a remote
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* user (not local).
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*
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* combining
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*
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* (!IsServer(sptr)) means that, sptr can safely
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* taken as defining the target structure of the
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* message in this server.
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*
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* *Always* true (if 'parse' and others are working correct):
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*
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* 1) sptr->from == cptr (note: cptr->from == cptr)
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*
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* 2) MyConnect(sptr) <=> sptr == cptr (e.g. sptr
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* *cannot* be a local connection, unless it's
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* actually cptr!). [MyConnect(x) should probably
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* be defined as (x == x->from) --msa ]
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*
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* parc number of variable parameter strings (if zero,
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* parv is allowed to be NULL)
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*
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* parv a NULL terminated list of parameter pointers,
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*
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* parv[0], sender (prefix string), if not present
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* this points to an empty string.
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* parv[1]...parv[parc-1]
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* pointers to additional parameters
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* parv[parc] == NULL, *always*
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*
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* note: it is guaranteed that parv[0]..parv[parc-1] are all
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* non-NULL pointers.
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*/
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#include "config.h"
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#include "client.h"
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#include "hash.h"
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#include "ircd.h"
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#include "ircd_log.h"
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#include "ircd_reply.h"
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#include "ircd_string.h"
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#include "msg.h"
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#include "numeric.h"
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#include "numnicks.h"
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#include "opercmds.h"
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#include "s_user.h"
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#include "send.h"
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/* #include <assert.h> -- Now using assert in ircd_log.h */
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/*
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* Old P10:
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* Sending [:defiant.atomicrevs.net RPING Z Gte- 953863987 524184 :<No client start time>] to
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* alphatest.atomicrevs.net
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* Full P10:
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* Parsing: j RI Z jAA 953865133 0 :<No client start time>
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*/
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/*
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* ms_rping - server message handler
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* -- by Run
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*
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* parv[0] = sender (sptr->name thus)
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* if sender is a person: (traveling towards start server)
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* parv[1] = pinged server[mask]
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* parv[2] = start server (current target)
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* parv[3] = optional remark
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* if sender is a server: (traveling towards pinged server)
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* parv[1] = pinged server (current target)
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* parv[2] = original sender (person)
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* parv[3] = start time in s
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* parv[4] = start time in us
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* parv[5] = the optional remark
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*/
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int ms_rping(struct Client* cptr, struct Client* sptr, int parc, char* parv[])
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{
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struct Client* destination = 0;
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assert(0 != cptr);
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assert(0 != sptr);
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assert(IsServer(cptr));
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/*
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* shouldn't happen
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*/
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if (!IsPrivileged(sptr))
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return 0;
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if (IsServer(sptr)) {
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if (parc < 6) {
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/*
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* PROTOCOL ERROR
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*/
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return need_more_params(sptr, "RPING");
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}
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if ((destination = FindNServer(parv[1]))) {
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/*
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* if it's not for me, pass it on
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*/
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if (IsMe(destination))
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sendcmdto_one(&me, CMD_RPONG, sptr, "%s %s %s %s :%s", cli_name(sptr),
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parv[2], parv[3], parv[4], parv[5]);
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else
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sendcmdto_one(sptr, CMD_RPING, destination, "%C %s %s %s :%s",
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destination, parv[2], parv[3], parv[4], parv[5]);
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}
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}
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else {
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if (parc < 3) {
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return need_more_params(sptr, "RPING");
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}
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/*
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* Haven't made it to the start server yet, if I'm not the start server
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* pass it on.
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*/
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if (hunt_server_cmd(sptr, CMD_RPING, cptr, 1, "%s %C :%s", 2, parc, parv)
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!= HUNTED_ISME)
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return 0;
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/*
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* otherwise ping the destination from here
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*/
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if ((destination = find_match_server(parv[1]))) {
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assert(IsServer(destination) || IsMe(destination));
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sendcmdto_one(&me, CMD_RPING, destination, "%C %C %s :%s", destination,
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sptr, militime(0, 0), parv[3]);
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}
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else
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send_reply(sptr, ERR_NOSUCHSERVER, parv[1]);
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}
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return 0;
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}
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/*
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* mo_rping - oper message handler
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* -- by Run
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*
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*
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* Receive:
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* RPING blah.*
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* RPING blah.* :<start time>
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* RPING blah.* server.* :<start time>
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*
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* parv[0] = sender (sptr->name thus)
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* parv[1] = pinged server name or mask (required)
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* parv[2] = start server name or mask (optional, defaults to me)
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* parv[3] = client start time (optional)
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*
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* Send: NumNick(sptr) RPING blah.* server.net :<start time> (hunt_server)
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* NumServ(&me) RPING NumServ(blah.bar.net) NumNick(sptr) :<start time> (here)
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*/
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int mo_rping(struct Client* cptr, struct Client* sptr, int parc, char* parv[])
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{
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struct Client* acptr = 0;
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const char* start_time = "<No client start time>";
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assert(0 != cptr);
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assert(0 != sptr);
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assert(cptr == sptr);
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assert(IsAnOper(sptr));
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if (parc < 2)
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return need_more_params(sptr, "RPING");
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if (parc > 2) {
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if ((acptr = find_match_server(parv[2])) && !IsMe(acptr)) {
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parv[2] = cli_name(acptr);
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if (3 == parc) {
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/*
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* const_cast<char*>(start_time);
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*/
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parv[parc++] = (char*) start_time;
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}
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hunt_server_cmd(sptr, CMD_RPING, cptr, 1, "%s %C :%s", 2, parc, parv);
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return 0;
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}
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else
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start_time = parv[2];
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}
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if ((acptr = find_match_server(parv[1]))) {
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assert(IsServer(acptr) || IsMe(acptr));
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sendcmdto_one(&me, CMD_RPING, acptr, "%C %C %s :%s", acptr, sptr,
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militime(0, 0), start_time);
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}
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else
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send_reply(sptr, ERR_NOSUCHSERVER, parv[1]);
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return 0;
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}
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