-/* +------------------------------------+
- * | Inspire Internet Relay Chat Daemon |
- * +------------------------------------+
+/*
+ * InspIRCd -- Internet Relay Chat Daemon
*
- * InspIRCd: (C) 2002-2007 InspIRCd Development Team
- * See: http://www.inspircd.org/wiki/index.php/Credits
+ * Copyright (C) 2009-2010 Daniel De Graaf <danieldg@inspircd.org>
+ * Copyright (C) 2007-2008 Robin Burchell <robin+git@viroteck.net>
*
- * This program is free but copyrighted software; see
- * the file COPYING for details.
+ * This file is part of InspIRCd. InspIRCd 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, version 2.
*
- * ---------------------------------------------------
+ * 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, see <http://www.gnu.org/licenses/>.
*/
+
#include "inspircd.h"
-#include "wildcard.h"
-#include "commands/cmd_who.h"
-static char *get_first_visible_channel(User *u)
+/** Handle /WHO. These command handlers can be reloaded by the core,
+ * and handle basic RFC1459 commands. Commands within modules work
+ * the same way, however, they can be fully unloaded, where these
+ * may not.
+ */
+class CommandWho : public Command
+{
+ bool CanView(Channel* chan, User* user);
+ bool opt_viewopersonly;
+ bool opt_showrealhost;
+ bool opt_realname;
+ bool opt_mode;
+ bool opt_ident;
+ bool opt_metadata;
+ bool opt_port;
+ bool opt_away;
+ bool opt_local;
+ bool opt_far;
+ bool opt_time;
+
+ public:
+ /** Constructor for who.
+ */
+ CommandWho ( Module* parent) : Command(parent,"WHO", 1) {
+ syntax = "<server>|<nickname>|<channel>|<realname>|<host>|0 [ohurmMiaplf]";
+ }
+ void SendWhoLine(User* user, const std::vector<std::string>& parms, const std::string &initial, Channel* ch, User* u, std::vector<std::string> &whoresults);
+ /** Handle command.
+ * @param parameters The parameters to the comamnd
+ * @param pcnt The number of parameters passed to teh command
+ * @param user The user issuing the command
+ * @return A value from CmdResult to indicate command success or failure.
+ */
+ CmdResult Handle(const std::vector<std::string>& parameters, User *user);
+ bool whomatch(User* cuser, User* user, const char* matchtext);
+};
+
+
+static Channel* get_first_visible_channel(User *u)
{
UCListIter i = u->chans.begin();
- if (i != u->chans.end())
+ while (i != u->chans.end())
{
- if (!i->first->IsModeSet('s'))
- return i->first->name;
+ Channel* c = *i++;
+ if (!c->IsModeSet('s'))
+ return c;
}
-
- return "*";
+ return NULL;
}
-bool CommandWho::whomatch(User* user, const char* matchtext)
+bool CommandWho::whomatch(User* cuser, User* user, const char* matchtext)
{
- bool realhost = false;
- bool realname = false;
- bool positive = true;
- bool metadata = false;
- bool ident = false;
- bool away = false;
- bool port = false;
- char* dummy = NULL;
+ bool match = false;
+ bool positive = false;
if (user->registered != REG_ALL)
return false;
}
else
{
-
+ /*
+ * This was previously one awesome pile of ugly nested if, when really, it didn't need
+ * to be, since only one condition was ever checked, a chained if works just fine.
+ * -- w00t
+ */
if (opt_metadata)
- metadata = user->GetExt(matchtext, dummy);
- else
{
- if (opt_realname)
- realname = match(user->fullname, matchtext);
- else
- {
- if (opt_showrealhost)
- realhost = match(user->host, matchtext);
- else
+ match = false;
+ const Extensible::ExtensibleStore& list = user->GetExtList();
+ for(Extensible::ExtensibleStore::const_iterator i = list.begin(); i != list.end(); ++i)
+ if (InspIRCd::Match(i->first->name, matchtext))
+ match = true;
+ }
+ else if (opt_realname)
+ match = InspIRCd::Match(user->fullname, matchtext);
+ else if (opt_showrealhost)
+ match = InspIRCd::Match(user->host, matchtext, ascii_case_insensitive_map);
+ else if (opt_ident)
+ match = InspIRCd::Match(user->ident, matchtext, ascii_case_insensitive_map);
+ else if (opt_port)
+ {
+ irc::portparser portrange(matchtext, false);
+ long portno = -1;
+ while ((portno = portrange.GetToken()))
+ if (IS_LOCAL(user) && portno == IS_LOCAL(user)->GetServerPort())
{
- if (opt_ident)
- ident = match(user->ident, matchtext);
- else
- {
- if (opt_port)
- {
- irc::portparser portrange(matchtext, false);
- long portno = -1;
- while ((portno = portrange.GetToken()))
- if (portno == user->GetPort())
- port = true;
- }
- else
- {
- if (opt_away)
- away = match(user->awaymsg, matchtext);
- }
- }
+ match = true;
+ break;
}
- }
}
- return ((port) || (away) || (ident) || (metadata) || (realname) || (realhost) || (match(user->dhost, matchtext)) || (match(user->nick, matchtext)) || (match(user->server, matchtext)));
- }
-}
+ else if (opt_away)
+ match = InspIRCd::Match(user->awaymsg, matchtext);
+ else if (opt_time)
+ {
+ long seconds = ServerInstance->Duration(matchtext);
+
+ // Okay, so time matching, we want all users connected `seconds' ago
+ if (user->age >= ServerInstance->Time() - seconds)
+ match = true;
+ }
+ /*
+ * Once the conditionals have been checked, only check dhost/nick/server
+ * if they didn't match this user -- and only match if we don't find a match.
+ *
+ * This should make things minutely faster, and again, less ugly.
+ * -- w00t
+ */
+ if (!match)
+ match = InspIRCd::Match(user->dhost, matchtext, ascii_case_insensitive_map);
+ if (!match)
+ match = InspIRCd::Match(user->nick, matchtext);
-extern "C" DllExport Command* init_command(InspIRCd* Instance)
-{
- return new CommandWho(Instance);
+ /* Don't allow server name matches if HideWhoisServer is enabled, unless the command user has the priv */
+ if (!match && (ServerInstance->Config->HideWhoisServer.empty() || cuser->HasPrivPermission("users/auspex")))
+ match = InspIRCd::Match(user->server, matchtext);
+
+ return match;
+ }
}
bool CommandWho::CanView(Channel* chan, User* user)
if (chan->HasUser(user))
return true;
/* Opers see all */
- if (IS_OPER(user))
+ if (user->HasPrivPermission("users/auspex"))
return true;
/* Cant see inside a +s or a +p channel unless we are a member (see above) */
else if (!chan->IsModeSet('s') && !chan->IsModeSet('p'))
return false;
}
-void CommandWho::SendWhoLine(User* user, const std::string &initial, Channel* ch, User* u, std::vector<std::string> &whoresults)
+void CommandWho::SendWhoLine(User* user, const std::vector<std::string>& parms, const std::string &initial, Channel* ch, User* u, std::vector<std::string> &whoresults)
{
- std::string lcn = get_first_visible_channel(u);
- Channel* chlast = ServerInstance->FindChan(lcn);
-
- /* Not visible to this user */
- if (u->Visibility && !u->Visibility->VisibleTo(user))
- return;
+ if (!ch)
+ ch = get_first_visible_channel(u);
- std::string wholine = initial + (ch ? ch->name : lcn) + " " + u->ident + " " + (opt_showrealhost ? u->host : u->dhost) + " " +
- ((*ServerInstance->Config->HideWhoisServer && !IS_OPER(user)) ? ServerInstance->Config->HideWhoisServer : u->server) +
- " " + u->nick + " ";
+ std::string wholine = initial + (ch ? ch->name : "*") + " " + u->ident + " " +
+ (opt_showrealhost ? u->host : u->dhost) + " ";
+ if (!ServerInstance->Config->HideWhoisServer.empty() && !user->HasPrivPermission("servers/auspex"))
+ wholine.append(ServerInstance->Config->HideWhoisServer);
+ else
+ wholine.append(u->server);
+
+ wholine.append(" " + u->nick + " ");
/* away? */
if (IS_AWAY(u))
/* oper? */
if (IS_OPER(u))
{
- wholine.append("*");
+ wholine.push_back('*');
}
- wholine = wholine + (ch ? ch->GetPrefixChar(u) : (chlast ? chlast->GetPrefixChar(u) : "")) + " :0 " + u->fullname;
- whoresults.push_back(wholine);
+ if (ch)
+ wholine.append(ch->GetPrefixChar(u));
+
+ wholine.append(" :0 " + u->fullname);
+
+ FOREACH_MOD(I_OnSendWhoLine, OnSendWhoLine(user, parms, u, wholine));
+
+ if (!wholine.empty())
+ whoresults.push_back(wholine);
}
-CmdResult CommandWho::Handle (const char** parameters, int pcnt, User *user)
+CmdResult CommandWho::Handle (const std::vector<std::string>& parameters, User *user)
{
/*
* XXX - RFC says:
/* WHO options */
opt_viewopersonly = false;
opt_showrealhost = false;
- opt_unlimit = false;
opt_realname = false;
opt_mode = false;
opt_ident = false;
opt_away = false;
opt_local = false;
opt_far = false;
+ opt_time = false;
Channel *ch = NULL;
std::vector<std::string> whoresults;
std::string initial = "352 " + std::string(user->nick) + " ";
- const char* matchtext = NULL;
+ char matchtext[MAXBUF];
bool usingwildcards = false;
/* Change '0' into '*' so the wildcard matcher can grok it */
- matchtext = parameters[0];
- if (!strcmp(matchtext,"0"))
- matchtext = "*";
+ if (parameters[0] == "0")
+ strlcpy(matchtext, "*", MAXBUF);
+ else
+ strlcpy(matchtext, parameters[0].c_str(), MAXBUF);
for (const char* check = matchtext; *check; check++)
{
}
}
- if (pcnt > 1)
+ if (parameters.size() > 1)
{
- /* parse flags */
- const char *iter = parameters[1];
-
/* Fix for bug #444, WHO flags count as a wildcard */
usingwildcards = true;
- while (*iter)
+ for (std::string::const_iterator iter = parameters[1].begin(); iter != parameters[1].end(); ++iter)
{
switch (*iter)
{
case 'o':
opt_viewopersonly = true;
- break;
+ break;
case 'h':
- if (IS_OPER(user))
+ if (user->HasPrivPermission("users/auspex"))
opt_showrealhost = true;
- break;
- case 'u':
- if (IS_OPER(user))
- opt_unlimit = true;
- break;
+ break;
case 'r':
opt_realname = true;
- break;
+ break;
case 'm':
- opt_mode = true;
- break;
+ if (user->HasPrivPermission("users/auspex"))
+ opt_mode = true;
+ break;
case 'M':
- opt_metadata = true;
- break;
+ if (user->HasPrivPermission("users/auspex"))
+ opt_metadata = true;
+ break;
case 'i':
opt_ident = true;
- break;
+ break;
case 'p':
- opt_port = true;
- break;
+ if (user->HasPrivPermission("users/auspex"))
+ opt_port = true;
+ break;
case 'a':
opt_away = true;
- break;
+ break;
case 'l':
- opt_local = true;
- break;
+ if (user->HasPrivPermission("users/auspex") || ServerInstance->Config->HideWhoisServer.empty())
+ opt_local = true;
+ break;
case 'f':
- opt_far = true;
- break;
+ if (user->HasPrivPermission("users/auspex") || ServerInstance->Config->HideWhoisServer.empty())
+ opt_far = true;
+ break;
+ case 't':
+ opt_time = true;
+ break;
}
-
- *iter++;
}
}
if (CanView(ch,user))
{
bool inside = ch->HasUser(user);
-
+
/* who on a channel. */
- CUList *cu = ch->GetUsers();
-
- for (CUList::iterator i = cu->begin(); i != cu->end(); i++)
+ const UserMembList *cu = ch->GetUsers();
+
+ for (UserMembCIter i = cu->begin(); i != cu->end(); i++)
{
/* None of this applies if we WHO ourselves */
if (user != i->first)
/* opers only, please */
if (opt_viewopersonly && !IS_OPER(i->first))
continue;
-
+
/* If we're not inside the channel, hide +i users */
- if (i->first->IsModeSet('i') && !inside && !IS_OPER(user))
+ if (i->first->IsModeSet('i') && !inside && !user->HasPrivPermission("users/auspex"))
continue;
}
-
- SendWhoLine(user, initial, ch, i->first, whoresults);
+
+ SendWhoLine(user, parameters, initial, ch, i->first, whoresults);
}
}
}
if (opt_viewopersonly)
{
/* Showing only opers */
- for (std::list<User*>::iterator i = ServerInstance->all_opers.begin(); i != ServerInstance->all_opers.end(); i++)
+ for (std::list<User*>::iterator i = ServerInstance->Users->all_opers.begin(); i != ServerInstance->Users->all_opers.end(); i++)
{
User* oper = *i;
- if (whomatch(oper, matchtext))
+ if (whomatch(user, oper, matchtext))
{
if (!user->SharesChannelWith(oper))
{
- if (usingwildcards && (!oper->IsModeSet('i')) && (!IS_OPER(user)))
+ if (usingwildcards && (!oper->IsModeSet('i')) && (!user->HasPrivPermission("users/auspex")))
continue;
}
- SendWhoLine(user, initial, NULL, oper, whoresults);
+ SendWhoLine(user, parameters, initial, NULL, oper, whoresults);
}
}
}
else
{
- for (user_hash::iterator i = ServerInstance->clientlist->begin(); i != ServerInstance->clientlist->end(); i++)
+ for (user_hash::iterator i = ServerInstance->Users->clientlist->begin(); i != ServerInstance->Users->clientlist->end(); i++)
{
- if (whomatch(i->second, matchtext))
+ if (whomatch(user, i->second, matchtext))
{
if (!user->SharesChannelWith(i->second))
{
- if (usingwildcards && (i->second->IsModeSet('i')) && (!IS_OPER(user)))
+ if (usingwildcards && (i->second->IsModeSet('i')) && (!user->HasPrivPermission("users/auspex")))
continue;
}
- SendWhoLine(user, initial, NULL, i->second, whoresults);
+ SendWhoLine(user, parameters, initial, NULL, i->second, whoresults);
}
}
}
}
/* Send the results out */
- if ((ServerInstance->Config->MaxWhoResults && (whoresults.size() <= (size_t)ServerInstance->Config->MaxWhoResults)) || opt_unlimit)
- {
- for (std::vector<std::string>::const_iterator n = whoresults.begin(); n != whoresults.end(); n++)
- user->WriteServ(*n);
- user->WriteServ("315 %s %s :End of /WHO list.",user->nick, *parameters[0] ? parameters[0] : "*");
- return CMD_SUCCESS;
- }
- else
- {
- /* BZZT! Too many results. */
- user->WriteServ("315 %s %s :Too many results",user->nick, parameters[0]);
- return CMD_FAILURE;
- }
+ for (std::vector<std::string>::const_iterator n = whoresults.begin(); n != whoresults.end(); n++)
+ user->WriteServ(*n);
+ user->WriteNumeric(315, "%s %s :End of /WHO list.",user->nick.c_str(), *parameters[0].c_str() ? parameters[0].c_str() : "*");
+
+ // Penalize the user a bit for large queries
+ // (add one unit of penalty per 200 results)
+ if (IS_LOCAL(user))
+ IS_LOCAL(user)->CommandFloodPenalty += whoresults.size() * 5;
+ return CMD_SUCCESS;
}
+COMMAND_INIT(CommandWho)