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https://github.com/inspircd/inspircd.git
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11554b8626
git-svn-id: http://svn.inspircd.org/repository/trunk/inspircd@7097 e03df62e-2008-0410-955e-edbf42e46eb7
329 lines
7.0 KiB
C++
329 lines
7.0 KiB
C++
/* +------------------------------------+
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* | Inspire Internet Relay Chat Daemon |
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* +------------------------------------+
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*
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* InspIRCd: (C) 2002-2007 InspIRCd Development Team
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* See: http://www.inspircd.org/wiki/index.php/Credits
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*
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* This program is free but copyrighted software; see
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* the file COPYING for details.
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*
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* ---------------------------------------------------
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*/
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#include "inspircd.h"
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#include "configreader.h"
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#include "users.h"
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#include "modules.h"
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#include "wildcard.h"
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#include "commands/cmd_who.h"
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/* get the last 'visible' chan of a user */
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static char *getlastchanname(userrec *u)
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{
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UCListIter i = u->chans.begin();
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if (i != u->chans.end())
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{
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if (!i->first->IsModeSet('s'))
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return i->first->name;
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}
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return "*";
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}
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bool cmd_who::whomatch(userrec* user, const char* matchtext)
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{
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bool realhost = false;
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bool realname = false;
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bool positive = true;
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bool metadata = false;
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bool ident = false;
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bool away = false;
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bool port = false;
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char* dummy = NULL;
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if (user->registered != REG_ALL)
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return false;
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if (opt_local && !IS_LOCAL(user))
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return false;
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else if (opt_far && IS_LOCAL(user))
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return false;
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if (opt_mode)
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{
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for (const char* n = matchtext; *n; n++)
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{
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if (*n == '+')
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{
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positive = true;
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continue;
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}
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else if (*n == '-')
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{
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positive = false;
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continue;
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}
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if (user->IsModeSet(*n) != positive)
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return false;
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}
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return true;
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}
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else
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{
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if (opt_metadata)
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metadata = user->GetExt(matchtext, dummy);
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else
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{
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if (opt_realname)
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realname = match(user->fullname, matchtext);
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else
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{
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if (opt_showrealhost)
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realhost = match(user->host, matchtext);
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else
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{
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if (opt_ident)
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ident = match(user->ident, matchtext);
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else
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{
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if (opt_port)
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{
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irc::portparser portrange(matchtext, false);
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long portno = -1;
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while ((portno = portrange.GetToken()))
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if (portno == user->GetPort())
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port = true;
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}
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else
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{
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if (opt_away)
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away = match(user->awaymsg, matchtext);
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}
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}
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}
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}
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}
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return ((port) || (away) || (ident) || (metadata) || (realname) || (realhost) || (match(user->dhost, matchtext)) || (match(user->nick, matchtext)) || (match(user->server, matchtext)));
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}
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}
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extern "C" DllExport command_t* init_command(InspIRCd* Instance)
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{
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return new cmd_who(Instance);
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}
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bool cmd_who::CanView(chanrec* chan, userrec* user)
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{
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if (!user || !chan)
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return false;
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/* Execute items in fastest-to-execute first order */
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/* Opers see all */
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if (IS_OPER(user))
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return true;
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else if (!chan->IsModeSet('s') && !chan->IsModeSet('p'))
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return true;
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else if (chan->HasUser(user))
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return true;
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return false;
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}
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void cmd_who::SendWhoLine(userrec* user, const std::string &initial, chanrec* ch, userrec* u, std::vector<std::string> &whoresults)
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{
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std::string lcn = getlastchanname(u);
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chanrec* chlast = ServerInstance->FindChan(lcn);
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/* Not visible to this user */
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if (u->Visibility && !u->Visibility->VisibleTo(user))
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return;
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std::string wholine = initial + (ch ? ch->name : lcn) + " " + u->ident + " " + (opt_showrealhost ? u->host : u->dhost) + " " +
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((*ServerInstance->Config->HideWhoisServer && !IS_OPER(user)) ? ServerInstance->Config->HideWhoisServer : u->server) +
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" " + u->nick + " ";
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/* away? */
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if (IS_AWAY(u))
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{
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wholine.append("G");
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}
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else
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{
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wholine.append("H");
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}
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/* oper? */
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if (IS_OPER(u))
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{
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wholine.append("*");
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}
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wholine = wholine + (ch ? ch->GetPrefixChar(u) : (chlast ? chlast->GetPrefixChar(u) : "")) + " :0 " + u->fullname;
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whoresults.push_back(wholine);
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}
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CmdResult cmd_who::Handle (const char** parameters, int pcnt, userrec *user)
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{
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/*
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* XXX - RFC says:
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* The <name> passed to WHO is matched against users' host, server, real
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* name and nickname
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* Currently, we support WHO #chan, WHO nick, WHO 0, WHO *, and the addition of a 'o' flag, as per RFC.
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*/
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/* WHO options */
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opt_viewopersonly = false;
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opt_showrealhost = false;
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opt_unlimit = false;
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opt_realname = false;
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opt_mode = false;
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opt_ident = false;
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opt_metadata = false;
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opt_port = false;
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opt_away = false;
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opt_local = false;
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opt_far = false;
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chanrec *ch = NULL;
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std::vector<std::string> whoresults;
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std::string initial = "352 " + std::string(user->nick) + " ";
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const char* matchtext = NULL;
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/* Change '0' into '*' so the wildcard matcher can grok it */
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matchtext = parameters[0];
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if (!strcmp(matchtext,"0"))
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matchtext = "*";
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if (pcnt > 1)
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{
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/* parse flags */
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const char *iter = parameters[1];
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while (*iter)
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{
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switch (*iter)
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{
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case 'o':
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opt_viewopersonly = true;
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break;
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case 'h':
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if (IS_OPER(user))
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opt_showrealhost = true;
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break;
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case 'u':
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if (IS_OPER(user))
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opt_unlimit = true;
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break;
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case 'r':
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opt_realname = true;
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break;
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case 'm':
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opt_mode = true;
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break;
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case 'M':
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opt_metadata = true;
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break;
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case 'i':
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opt_ident = true;
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break;
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case 'p':
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opt_port = true;
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break;
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case 'a':
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opt_away = true;
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break;
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case 'l':
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opt_local = true;
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break;
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case 'f':
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opt_far = true;
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break;
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}
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*iter++;
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}
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}
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/* who on a channel? */
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ch = ServerInstance->FindChan(matchtext);
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if (ch)
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{
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if (CanView(ch,user))
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{
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bool inside = ch->HasUser(user);
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/* who on a channel. */
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CUList *cu = ch->GetUsers();
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for (CUList::iterator i = cu->begin(); i != cu->end(); i++)
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{
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/* opers only, please */
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if (opt_viewopersonly && !IS_OPER(i->first))
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continue;
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/* If we're not inside the channel, hide +i users */
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if (i->first->IsModeSet('i') && !inside)
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continue;
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SendWhoLine(user, initial, ch, i->first, whoresults);
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}
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}
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}
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else
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{
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/* Match against wildcard of nick, server or host */
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if (opt_viewopersonly)
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{
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/* Showing only opers */
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for (std::vector<userrec*>::iterator i = ServerInstance->all_opers.begin(); i != ServerInstance->all_opers.end(); i++)
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{
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userrec* oper = *i;
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if (whomatch(oper, matchtext))
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{
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if ((!oper->IsModeSet('i')) && (!IS_OPER(user)))
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continue;
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SendWhoLine(user, initial, NULL, oper, whoresults);
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}
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}
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}
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else
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{
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for (user_hash::iterator i = ServerInstance->clientlist->begin(); i != ServerInstance->clientlist->end(); i++)
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{
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if (whomatch(i->second, matchtext))
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{
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if ((i->second->IsModeSet('i')) && (!IS_OPER(user)))
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continue;
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SendWhoLine(user, initial, NULL, i->second, whoresults);
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}
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}
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}
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}
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/* Send the results out */
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if ((whoresults.size() <= (size_t)ServerInstance->Config->MaxWhoResults) || opt_unlimit)
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{
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for (std::vector<std::string>::const_iterator n = whoresults.begin(); n != whoresults.end(); n++)
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user->WriteServ(*n);
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user->WriteServ("315 %s %s :End of /WHO list.",user->nick, *parameters[0] ? parameters[0] : "*");
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return CMD_SUCCESS;
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}
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else
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{
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/* BZZT! Too many results. */
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user->WriteServ("315 %s %s :Too many results",user->nick, parameters[0]);
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return CMD_FAILURE;
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}
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}
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