-/* +------------------------------------+
\r * | Inspire Internet Relay Chat Daemon |
\r * +------------------------------------+
\r *
\r * InspIRCd: (C) 2002-2007 InspIRCd Development Team
\r * See: http://www.inspircd.org/wiki/index.php/Credits
\r *
\r * This program is free but copyrighted software; see
\r * the file COPYING for details.
\r *
\r * ---------------------------------------------------
\r */
\r\r#include "inspircd.h"
\r#include "users.h"
\r#include "channels.h"
\r#include "modules.h"
\r#include "wildcard.h"
\r\r/* $ModDesc: Provides aliases of commands. */
\r\r/** An alias definition
\r */
\rclass Alias : public classbase
\r{
\r public:
\r /** The text of the alias command */
\r irc::string text;
\r /** Text to replace with */
\r std::string replace_with;
\r /** Nickname required to perform alias */
\r std::string requires;
\r /** Alias requires ulined server */
\r bool uline;
\r /** Requires oper? */
\r bool operonly;
\r /* is case sensitive params */
\r bool case_sensitive;
\r /** Format that must be matched for use */
\r std::string format;
\r};
\r\rclass ModuleAlias : public Module
\r{
\r private:
\r /** We cant use a map, there may be multiple aliases with the same name */
\r std::vector<Alias> Aliases;
\r std::map<std::string, int> AliasMap;
\r std::vector<std::string> pars;
\r\r virtual void ReadAliases()
\r {
\r ConfigReader MyConf(ServerInstance);
\r\r Aliases.clear();
\r AliasMap.clear();
\r for (int i = 0; i < MyConf.Enumerate("alias"); i++)
\r {
\r Alias a;
\r std::string txt;
\r txt = MyConf.ReadValue("alias", "text", i);
\r a.text = txt.c_str();
\r a.replace_with = MyConf.ReadValue("alias", "replace", i, true);
\r a.requires = MyConf.ReadValue("alias", "requires", i);
\r a.uline = MyConf.ReadFlag("alias", "uline", i);
\r a.operonly = MyConf.ReadFlag("alias", "operonly", i);
\r a.format = MyConf.ReadValue("alias", "format", i);
\r a.case_sensitive = MyConf.ReadFlag("alias", "matchcase", i);
\r Aliases.push_back(a);
\r AliasMap[txt] = 1;
\r }
\r }
\r\r public:
\r \r ModuleAlias(InspIRCd* Me)
\r : Module(Me)
\r {
\r ReadAliases();
\r pars.resize(127);
\r }
\r\r void Implements(char* List)
\r {
\r List[I_OnPreCommand] = List[I_OnRehash] = 1;
\r }
\r\r virtual ~ModuleAlias()
\r {
\r }
\r\r virtual Version GetVersion()
\r {
\r return Version(1,1,0,1,VF_VENDOR,API_VERSION);
\r }
\r\r std::string GetVar(std::string varname, const std::string &original_line)
\r {
\r irc::spacesepstream ss(original_line);
\r varname.erase(varname.begin());
\r int index = *(varname.begin()) - 48;
\r varname.erase(varname.begin());
\r bool everything_after = (varname == "-");
\r std::string word;
\r\r for (int j = 0; j < index; j++)
\r word = ss.GetToken();
\r\r if (everything_after)
\r {
\r std::string more = "*";
\r while ((more = ss.GetToken()) != "")
\r {
\r word.append(" ");
\r word.append(more);
\r }
\r }
\r\r return word;
\r }
\r\r void SearchAndReplace(std::string& newline, const std::string &find, const std::string &replace)
\r {
\r std::string::size_type x = newline.find(find);
\r while (x != std::string::npos)
\r {
\r newline.erase(x, find.length());
\r newline.insert(x, replace);
\r x = newline.find(find);
\r }
\r }
\r\r virtual int OnPreCommand(const std::string &command, const char** parameters, int pcnt, userrec *user, bool validated, const std::string &original_line)
\r {
\r userrec *u = NULL;
\r\r /* If theyre not registered yet, we dont want
\r * to know.
\r */
\r if (user->registered != REG_ALL)
\r return 0;
\r\r /* We dont have any commands looking like this, dont bother with the loop */
\r if (AliasMap.find(command) == AliasMap.end())
\r return 0;
\r\r irc::string c = command.c_str();
\r /* The parameters for the command in their original form, with the command stripped off */
\r std::string compare = original_line.substr(command.length());
\r while (*(compare.c_str()) == ' ')
\r compare.erase(compare.begin());
\r\r std::string safe(original_line);
\r\r /* Escape out any $ symbols in the user provided text */
\r\r SearchAndReplace(safe, "$", "\r");
\r\r for (unsigned int i = 0; i < Aliases.size(); i++)
\r {
\r if (Aliases[i].text == c)
\r {
\r /* Does it match the pattern? */
\r if (!Aliases[i].format.empty())
\r {
\r if (!match(Aliases[i].case_sensitive, compare.c_str(), Aliases[i].format.c_str()))
\r continue;
\r }
\r\r if ((Aliases[i].operonly) && (!IS_OPER(user)))
\r return 0;
\r\r if (!Aliases[i].requires.empty())
\r {
\r u = ServerInstance->FindNick(Aliases[i].requires);
\r if (!u)
\r {
\r user->WriteServ("401 "+std::string(user->nick)+" "+Aliases[i].requires+" :is currently unavailable. Please try again later.");
\r return 1;
\r }
\r }
\r if ((u != NULL) && (!Aliases[i].requires.empty()) && (Aliases[i].uline))
\r {
\r if (!ServerInstance->ULine(u->server))
\r {
\r ServerInstance->WriteOpers("*** NOTICE -- Service "+Aliases[i].requires+" required by alias "+std::string(Aliases[i].text.c_str())+" is not on a u-lined server, possibly underhanded antics detected!");
\r user->WriteServ("401 "+std::string(user->nick)+" "+Aliases[i].requires+" :is an imposter! Please inform an IRC operator as soon as possible.");
\r return 1;
\r }
\r }
\r\r /* Now, search and replace in a copy of the original_line, replacing $1 through $9 and $1- etc */
\r\r std::string::size_type crlf = Aliases[i].replace_with.find('\n');
\r\r if (crlf == std::string::npos)
\r {
\r DoCommand(Aliases[i].replace_with, user, safe);
\r return 1;
\r }
\r else
\r {
\r irc::sepstream commands(Aliases[i].replace_with, '\n');
\r std::string command = "*";
\r while ((command = commands.GetToken()) != "")
\r {
\r DoCommand(command, user, safe);
\r }
\r return 1;
\r }
\r }
\r }
\r return 0;
\r }
\r\r void DoCommand(std::string newline, userrec* user, const std::string &original_line)
\r {
\r for (int v = 1; v < 10; v++)
\r {
\r std::string var = "$";
\r var.append(ConvToStr(v));
\r var.append("-");
\r std::string::size_type x = newline.find(var);
\r\r while (x != std::string::npos)
\r {
\r newline.erase(x, var.length());
\r newline.insert(x, GetVar(var, original_line));
\r x = newline.find(var);
\r }
\r\r var = "$";
\r var.append(ConvToStr(v));
\r x = newline.find(var);
\r\r while (x != std::string::npos)
\r {
\r newline.erase(x, var.length());
\r newline.insert(x, GetVar(var, original_line));
\r x = newline.find(var);
\r }
\r }
\r\r /* Special variables */
\r SearchAndReplace(newline, "$nick", user->nick);
\r SearchAndReplace(newline, "$ident", user->ident);
\r SearchAndReplace(newline, "$host", user->host);
\r SearchAndReplace(newline, "$vhost", user->dhost);
\r\r /* Unescape any variable names in the user text before sending */
\r SearchAndReplace(newline, "\r", "$");
\r\r irc::tokenstream ss(newline);
\r const char* parv[127];
\r int x = 0;
\r\r while (ss.GetToken(pars[x]))
\r {
\r parv[x] = pars[x].c_str();
\r x++;
\r }
\r\r ServerInstance->Parser->CallHandler(parv[0], &parv[1], x-1, user);
\r }
\r \r virtual void OnRehash(userrec* user, const std::string ¶meter)
\r {
\r ReadAliases();
\r }
\r};
\r\rMODULE_INIT(ModuleAlias)
\r\ No newline at end of file
+/*
+ * InspIRCd -- Internet Relay Chat Daemon
+ *
+ * Copyright (C) 2009 Daniel De Graaf <danieldg@inspircd.org>
+ * Copyright (C) 2005, 2009 Robin Burchell <robin+git@viroteck.net>
+ * Copyright (C) 2004-2007, 2009 Craig Edwards <craigedwards@brainbox.cc>
+ * Copyright (C) 2007 Dennis Friis <peavey@inspircd.org>
+ *
+ * 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"
+
+/* $ModDesc: Provides aliases of commands. */
+
+/** An alias definition
+ */
+class Alias
+{
+ public:
+ /** The text of the alias command */
+ irc::string AliasedCommand;
+
+ /** Text to replace with */
+ std::string ReplaceFormat;
+
+ /** Nickname required to perform alias */
+ std::string RequiredNick;
+
+ /** Alias requires ulined server */
+ bool ULineOnly;
+
+ /** Requires oper? */
+ bool OperOnly;
+
+ /* is case sensitive params */
+ bool CaseSensitive;
+
+ /* whether or not it may be executed via fantasy (default OFF) */
+ bool ChannelCommand;
+
+ /* whether or not it may be executed via /command (default ON) */
+ bool UserCommand;
+
+ /** Format that must be matched for use */
+ std::string format;
+};
+
+class ModuleAlias : public Module
+{
+ private:
+
+ char fprefix;
+
+ /* We cant use a map, there may be multiple aliases with the same name.
+ * We can, however, use a fancy invention: the multimap. Maps a key to one or more values.
+ * -- w00t
+ */
+ std::multimap<irc::string, Alias> Aliases;
+
+ /* whether or not +B users are allowed to use fantasy commands */
+ bool AllowBots;
+
+ virtual void ReadAliases()
+ {
+ ConfigTag* fantasy = ServerInstance->Config->ConfValue("fantasy");
+ AllowBots = fantasy->getBool("allowbots", false);
+ std::string fpre = fantasy->getString("prefix", "!");
+ fprefix = fpre.empty() ? '!' : fpre[0];
+
+ Aliases.clear();
+ ConfigTagList tags = ServerInstance->Config->ConfTags("alias");
+ for(ConfigIter i = tags.first; i != tags.second; ++i)
+ {
+ ConfigTag* tag = i->second;
+ Alias a;
+ std::string aliastext = tag->getString("text");
+ a.AliasedCommand = aliastext.c_str();
+ tag->readString("replace", a.ReplaceFormat, true);
+ a.RequiredNick = tag->getString("requires");
+ a.ULineOnly = tag->getBool("uline");
+ a.ChannelCommand = tag->getBool("channelcommand", false);
+ a.UserCommand = tag->getBool("usercommand", true);
+ a.OperOnly = tag->getBool("operonly");
+ a.format = tag->getString("format");
+ a.CaseSensitive = tag->getBool("matchcase");
+ Aliases.insert(std::make_pair(a.AliasedCommand, a));
+ }
+ }
+
+ public:
+
+ void init()
+ {
+ ReadAliases();
+ Implementation eventlist[] = { I_OnPreCommand, I_OnRehash, I_OnUserMessage };
+ ServerInstance->Modules->Attach(eventlist, this, sizeof(eventlist)/sizeof(Implementation));
+ }
+
+ virtual ~ModuleAlias()
+ {
+ }
+
+ virtual Version GetVersion()
+ {
+ return Version("Provides aliases of commands.", VF_VENDOR);
+ }
+
+ std::string GetVar(std::string varname, const std::string &original_line)
+ {
+ irc::spacesepstream ss(original_line);
+ varname.erase(varname.begin());
+ int index = *(varname.begin()) - 48;
+ varname.erase(varname.begin());
+ bool everything_after = (varname == "-");
+ std::string word;
+
+ for (int j = 0; j < index; j++)
+ ss.GetToken(word);
+
+ if (everything_after)
+ {
+ std::string more;
+ while (ss.GetToken(more))
+ {
+ word.append(" ");
+ word.append(more);
+ }
+ }
+
+ return word;
+ }
+
+ virtual ModResult OnPreCommand(std::string &command, std::vector<std::string> ¶meters, LocalUser *user, bool validated, const std::string &original_line)
+ {
+ std::multimap<irc::string, Alias>::iterator i, upperbound;
+
+ /* If theyre not registered yet, we dont want
+ * to know.
+ */
+ if (user->registered != REG_ALL)
+ return MOD_RES_PASSTHRU;
+
+ /* We dont have any commands looking like this? Stop processing. */
+ i = Aliases.find(command.c_str());
+ if (i == Aliases.end())
+ return MOD_RES_PASSTHRU;
+ /* Avoid iterating on to different aliases if no patterns match. */
+ upperbound = Aliases.upper_bound(command.c_str());
+
+ irc::string c = command.c_str();
+ /* The parameters for the command in their original form, with the command stripped off */
+ std::string compare = original_line.substr(command.length());
+ while (*(compare.c_str()) == ' ')
+ compare.erase(compare.begin());
+
+ while (i != upperbound)
+ {
+ if (i->second.UserCommand)
+ {
+ if (DoAlias(user, NULL, &(i->second), compare, original_line))
+ {
+ return MOD_RES_DENY;
+ }
+ }
+
+ i++;
+ }
+
+ // If we made it here, no aliases actually matched.
+ return MOD_RES_PASSTHRU;
+ }
+
+ virtual void OnUserMessage(User *user, void *dest, int target_type, const std::string &text, char status, const CUList &exempt_list)
+ {
+ if (target_type != TYPE_CHANNEL)
+ {
+ return;
+ }
+
+ // fcommands are only for local users. Spanningtree will send them back out as their original cmd.
+ if (!user || !IS_LOCAL(user))
+ {
+ return;
+ }
+
+ /* Stop here if the user is +B and allowbot is set to no. */
+ if (!AllowBots && user->IsModeSet('B'))
+ {
+ return;
+ }
+
+ Channel *c = (Channel *)dest;
+ std::string scommand;
+
+ // text is like "!moo cows bite me", we want "!moo" first
+ irc::spacesepstream ss(text);
+ ss.GetToken(scommand);
+ irc::string fcommand = scommand.c_str();
+
+ if (fcommand.empty())
+ {
+ return; // wtfbbq
+ }
+
+ // we don't want to touch non-fantasy stuff
+ if (*fcommand.c_str() != fprefix)
+ {
+ return;
+ }
+
+ // nor do we give a shit about the prefix
+ fcommand.erase(fcommand.begin());
+
+ std::multimap<irc::string, Alias>::iterator i = Aliases.find(fcommand);
+
+ if (i == Aliases.end())
+ return;
+
+ /* Avoid iterating on to other aliases if no patterns match */
+ std::multimap<irc::string, Alias>::iterator upperbound = Aliases.upper_bound(fcommand);
+
+
+ /* The parameters for the command in their original form, with the command stripped off */
+ std::string compare = text.substr(fcommand.length() + 1);
+ while (*(compare.c_str()) == ' ')
+ compare.erase(compare.begin());
+
+ while (i != upperbound)
+ {
+ if (i->second.ChannelCommand)
+ {
+ // We use substr(1) here to remove the fantasy prefix
+ if (DoAlias(user, c, &(i->second), compare, text.substr(1)))
+ return;
+ }
+
+ i++;
+ }
+ }
+
+
+ int DoAlias(User *user, Channel *c, Alias *a, const std::string& compare, const std::string& safe)
+ {
+ User *u = NULL;
+
+ /* Does it match the pattern? */
+ if (!a->format.empty())
+ {
+ if (a->CaseSensitive)
+ {
+ if (!InspIRCd::Match(compare, a->format, rfc_case_sensitive_map))
+ return 0;
+ }
+ else
+ {
+ if (!InspIRCd::Match(compare, a->format))
+ return 0;
+ }
+ }
+
+ if ((a->OperOnly) && (!IS_OPER(user)))
+ return 0;
+
+ if (!a->RequiredNick.empty())
+ {
+ u = ServerInstance->FindNick(a->RequiredNick);
+ if (!u)
+ {
+ user->WriteNumeric(401, ""+user->nick+" "+a->RequiredNick+" :is currently unavailable. Please try again later.");
+ return 1;
+ }
+ }
+ if ((u != NULL) && (!a->RequiredNick.empty()) && (a->ULineOnly))
+ {
+ if (!ServerInstance->ULine(u->server))
+ {
+ ServerInstance->SNO->WriteToSnoMask('a', "NOTICE -- Service "+a->RequiredNick+" required by alias "+std::string(a->AliasedCommand.c_str())+" is not on a u-lined server, possibly underhanded antics detected!");
+ user->WriteNumeric(401, ""+user->nick+" "+a->RequiredNick+" :is an imposter! Please inform an IRC operator as soon as possible.");
+ return 1;
+ }
+ }
+
+ /* Now, search and replace in a copy of the original_line, replacing $1 through $9 and $1- etc */
+
+ std::string::size_type crlf = a->ReplaceFormat.find('\n');
+
+ if (crlf == std::string::npos)
+ {
+ DoCommand(a->ReplaceFormat, user, c, safe);
+ return 1;
+ }
+ else
+ {
+ irc::sepstream commands(a->ReplaceFormat, '\n');
+ std::string scommand;
+ while (commands.GetToken(scommand))
+ {
+ DoCommand(scommand, user, c, safe);
+ }
+ return 1;
+ }
+ }
+
+ void DoCommand(const std::string& newline, User* user, Channel *chan, const std::string &original_line)
+ {
+ std::string result;
+ result.reserve(MAXBUF);
+ for (unsigned int i = 0; i < newline.length(); i++)
+ {
+ char c = newline[i];
+ if ((c == '$') && (i + 1 < newline.length()))
+ {
+ if (isdigit(newline[i+1]))
+ {
+ int len = ((i + 2 < newline.length()) && (newline[i+2] == '-')) ? 3 : 2;
+ std::string var = newline.substr(i, len);
+ result.append(GetVar(var, original_line));
+ i += len - 1;
+ }
+ else if (newline.substr(i, 5) == "$nick")
+ {
+ result.append(user->nick);
+ i += 4;
+ }
+ else if (newline.substr(i, 5) == "$host")
+ {
+ result.append(user->host);
+ i += 4;
+ }
+ else if (newline.substr(i, 5) == "$chan")
+ {
+ if (chan)
+ result.append(chan->name);
+ i += 4;
+ }
+ else if (newline.substr(i, 6) == "$ident")
+ {
+ result.append(user->ident);
+ i += 5;
+ }
+ else if (newline.substr(i, 6) == "$vhost")
+ {
+ result.append(user->dhost);
+ i += 5;
+ }
+ else
+ result.push_back(c);
+ }
+ else
+ result.push_back(c);
+ }
+
+ irc::tokenstream ss(result);
+ std::vector<std::string> pars;
+ std::string command, token;
+
+ ss.GetToken(command);
+ while (ss.GetToken(token) && (pars.size() <= MAXPARAMETERS))
+ {
+ pars.push_back(token);
+ }
+ ServerInstance->Parser->CallHandler(command, pars, user);
+ }
+
+ virtual void OnRehash(User* user)
+ {
+ ReadAliases();
+ }
+
+ virtual void Prioritize()
+ {
+ // Prioritise after spanningtree so that channel aliases show the alias before the effects.
+ Module* linkmod = ServerInstance->Modules->Find("m_spanningtree.so");
+ ServerInstance->Modules->SetPriority(this, I_OnUserMessage, PRIORITY_AFTER, &linkmod);
+ }
+};
+
+MODULE_INIT(ModuleAlias)
projects / user / henk / code / inspircd.git / blobdiff