X-Git-Url: https://git.netwichtig.de/gitweb/?a=blobdiff_plain;f=src%2Fmodules%2Fm_alias.cpp;h=3f3c3b1ba916e2667a90b6bfdbedc10a21bee85d;hb=6d03943426dcce76ba66567a9b18425a5ebb4c0c;hp=c2b26db5278281f071a4e8c8b725fb147f1f53cf;hpb=3a554ef1e9be9dbcf3de3301a4a6c2938d643bea;p=user%2Fhenk%2Fcode%2Finspircd.git diff --git a/src/modules/m_alias.cpp b/src/modules/m_alias.cpp index c2b26db52..3f3c3b1ba 100644 --- a/src/modules/m_alias.cpp +++ b/src/modules/m_alias.cpp @@ -2,8 +2,8 @@ * | Inspire Internet Relay Chat Daemon | * +------------------------------------+ * - * InspIRCd: (C) 2002-2007 InspIRCd Development Team - * See: http://www.inspircd.org/wiki/index.php/Credits + * InspIRCd: (C) 2002-2009 InspIRCd Development Team + * See: http://wiki.inspircd.org/Credits * * This program is free but copyrighted software; see * the file COPYING for details. @@ -11,11 +11,7 @@ * --------------------------------------------------- */ -#include "users.h" -#include "channels.h" -#include "modules.h" #include "inspircd.h" -#include /* $ModDesc: Provides aliases of commands. */ @@ -25,56 +21,85 @@ class Alias : public classbase { public: /** The text of the alias command */ - irc::string text; + irc::string AliasedCommand; + /** Text to replace with */ - std::string replace_with; + std::string ReplaceFormat; + /** Nickname required to perform alias */ - std::string requires; + std::string RequiredNick; + /** Alias requires ulined server */ - bool uline; + bool ULineOnly; + /** Requires oper? */ - bool operonly; + 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: - std::vector Aliases; - std::vector pars; + + 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 Aliases; + + /* whether or not +B users are allowed to use fantasy commands */ + bool AllowBots; virtual void ReadAliases() { - ConfigReader MyConf(ServerInstance); + ConfigReader MyConf; + + AllowBots = MyConf.ReadFlag("fantasy", "allowbots", "no", 0); + + std::string fpre = MyConf.ReadValue("fantasy","prefix",0); + fprefix = fpre.empty() ? '!' : fpre[0]; Aliases.clear(); - for (int i = 0; i < MyConf.Enumerate("alias"); i++) { Alias a; std::string txt; txt = MyConf.ReadValue("alias", "text", i); - a.text = txt.c_str(); - a.replace_with = MyConf.ReadValue("alias", "replace", i); - a.requires = MyConf.ReadValue("alias", "requires", i); - a.uline = MyConf.ReadFlag("alias", "uline", i); - a.operonly = MyConf.ReadFlag("alias", "operonly", i); - Aliases.push_back(a); + a.AliasedCommand = txt.c_str(); + a.ReplaceFormat = MyConf.ReadValue("alias", "replace", i, true); + a.RequiredNick = MyConf.ReadValue("alias", "requires", i); + a.ULineOnly = MyConf.ReadFlag("alias", "uline", i); + a.ChannelCommand = MyConf.ReadFlag("alias", "channelcommand", "no", i); + a.UserCommand = MyConf.ReadFlag("alias", "usercommand", "yes", i); + a.OperOnly = MyConf.ReadFlag("alias", "operonly", i); + a.format = MyConf.ReadValue("alias", "format", i); + a.CaseSensitive = MyConf.ReadFlag("alias", "matchcase", i); + Aliases.insert(std::make_pair(txt, a)); } - } public: - - ModuleAlias(InspIRCd* Me) - : Module::Module(Me) - { + + ModuleAlias() + { ReadAliases(); - pars.resize(127); - } + ServerInstance->Modules->Attach(I_OnPreCommand, this); + ServerInstance->Modules->Attach(I_OnRehash, this); + ServerInstance->Modules->Attach(I_OnUserMessage, this); - void Implements(char* List) - { - List[I_OnPreCommand] = List[I_OnRehash] = 1; } virtual ~ModuleAlias() @@ -83,7 +108,7 @@ class ModuleAlias : public Module virtual Version GetVersion() { - return Version(1,1,0,1,VF_VENDOR,API_VERSION); + return Version("Provides aliases of commands.", VF_VENDOR,API_VERSION); } std::string GetVar(std::string varname, const std::string &original_line) @@ -93,102 +118,199 @@ class ModuleAlias : public Module int index = *(varname.begin()) - 48; varname.erase(varname.begin()); bool everything_after = (varname == "-"); - std::string word = ""; - - ServerInstance->Log(DEBUG,"Get var %d%s", index , everything_after ? " and all after it" : ""); + std::string word; for (int j = 0; j < index; j++) - word = ss.GetToken(); + ss.GetToken(word); if (everything_after) { - std::string more = "*"; - while ((more = ss.GetToken()) != "") + std::string more; + while (ss.GetToken(more)) { word.append(" "); word.append(more); } } - ServerInstance->Log(DEBUG,"Var is '%s'", word.c_str()); - return word; } - void SearchAndReplace(std::string& newline, const std::string &find, const std::string &replace) + virtual ModResult OnPreCommand(std::string &command, std::vector ¶meters, User *user, bool validated, const std::string &original_line) { - std::string::size_type x = newline.find(find); - while (x != std::string::npos) + std::multimap::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); + if (i == Aliases.end()) + return MOD_RES_PASSTHRU; + /* Avoid iterating on to different aliases if no patterns match. */ + upperbound = Aliases.upper_bound(command); + + 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) { - newline.erase(x, find.length()); - newline.insert(x, replace); - x = newline.find(find); + 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 int OnPreCommand(const std::string &command, const char** parameters, int pcnt, userrec *user, bool validated, const std::string &original_line) + virtual void OnUserMessage(User *user, void *dest, int target_type, const std::string &text, char status, const CUList &exempt_list) { - userrec *u = NULL; - irc::string c = command.c_str(); - /* If the command is valid, we dont want to know, - * and if theyre not registered yet, we dont want - * to know either - */ - if ((validated) || (user->registered != REG_ALL)) - return 0; - - for (unsigned int i = 0; i < Aliases.size(); i++) + 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 fcommand; + + // text is like "!moo cows bite me", we want "!moo" first + irc::spacesepstream ss(text); + ss.GetToken(fcommand); + + if (fcommand.empty()) + { + return; // wtfbbq + } + + // we don't want to touch non-fantasy stuff + if (*fcommand.c_str() != fprefix) { - if (Aliases[i].text == c) + return; + } + + // nor do we give a shit about the prefix + fcommand.erase(fcommand.begin()); + std::transform(fcommand.begin(), fcommand.end(), fcommand.begin(), ::toupper); + + std::multimap::iterator i = Aliases.find(fcommand); + + if (i == Aliases.end()) + return; + + /* Avoid iterating on to other aliases if no patterns match */ + std::multimap::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) { - if ((Aliases[i].operonly) && (!*user->oper)) + // 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 (Aliases[i].requires != "") - { - u = ServerInstance->FindNick(Aliases[i].requires); - if (!u) - { - user->WriteServ("401 "+std::string(user->nick)+" "+Aliases[i].requires+" :is currently unavailable. Please try again later."); - return 1; - } - } - if ((u != NULL) && (Aliases[i].requires != "") && (Aliases[i].uline)) - { - if (!ServerInstance->ULine(u->server)) - { - 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!"); - user->WriteServ("401 "+std::string(user->nick)+" "+Aliases[i].requires+" :is an imposter! Please inform an IRC operator as soon as possible."); - return 1; - } - } + if ((a->OperOnly) && (!IS_OPER(user))) + return 0; - /* Now, search and replace in a copy of the original_line, replacing $1 through $9 and $1- etc */ + if (!a->RequiredNick.empty()) + { + u = ServerInstance->FindNick(a->RequiredNick); + if (!u) + { + user->WriteNumeric(401, ""+std::string(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, ""+std::string(user->nick)+" "+a->RequiredNick+" :is an imposter! Please inform an IRC operator as soon as possible."); + return 1; + } + } - std::string::size_type crlf = Aliases[i].replace_with.find('\n'); + /* Now, search and replace in a copy of the original_line, replacing $1 through $9 and $1- etc */ - if (crlf == std::string::npos) - { - DoCommand(Aliases[i].replace_with, user, original_line); - return 1; - } - else - { - irc::sepstream commands(Aliases[i].replace_with, '\n'); - std::string command = "*"; - while ((command = commands.GetToken()) != "") - { - DoCommand(command, user, original_line); - } - return 1; - } + std::string::size_type crlf = a->ReplaceFormat.find('\n'); + + if (crlf == std::string::npos) + { + DoCommand(a->ReplaceFormat, user, c, safe); + return 1; + } + else + { + irc::sepstream commands(a->ReplaceFormat, '\n'); + std::string scommand; + while (commands.GetToken(scommand)) + { + DoCommand(scommand, user, c, safe); } + return 1; } - return 0; } - void DoCommand(std::string newline, userrec* user, const std::string &original_line) + void DoCommand(std::string newline, User* user, Channel *c, const std::string &original_line) { + std::vector pars; + for (int v = 1; v < 10; v++) { std::string var = "$"; @@ -216,61 +338,45 @@ class ModuleAlias : public Module } /* Special variables */ - SearchAndReplace(newline, "$nick", user->nick); - SearchAndReplace(newline, "$ident", user->ident); - SearchAndReplace(newline, "$host", user->host); - SearchAndReplace(newline, "$vhost", user->dhost); + SearchAndReplace(newline, std::string("$nick"), user->nick); + SearchAndReplace(newline, std::string("$ident"), user->ident); + SearchAndReplace(newline, std::string("$host"), user->host); + SearchAndReplace(newline, std::string("$vhost"), user->dhost); - irc::tokenstream ss(newline); - const char* parv[127]; - int x = 0; - - while ((pars[x] = ss.GetToken()) != "") + if (c) { - parv[x] = pars[x].c_str(); - ServerInstance->Log(DEBUG,"Parameter %d: %s", x, parv[x]); - x++; - } - - ServerInstance->Log(DEBUG,"Call command handler on %s", parv[0]); - - if (ServerInstance->Parser->CallHandler(parv[0], &parv[1], x-1, user) == CMD_INVALID) - { - ServerInstance->Log(DEBUG,"Unknown command or not enough parameters"); + /* Channel specific variables */ + SearchAndReplace(newline, std::string("$chan"), c->name); } else { - ServerInstance->Log(DEBUG,"Command handler called successfully."); + /* We don't want these in a user alias */ + SearchAndReplace(newline, std::string("$chan"), std::string("")); } - } - - virtual void OnRehash(const std::string ¶meter) - { - ReadAliases(); - } -}; + irc::tokenstream ss(newline); + pars.clear(); + std::string command, token; -class ModuleAliasFactory : public ModuleFactory -{ - public: - ModuleAliasFactory() - { + ss.GetToken(command); + while (ss.GetToken(token) && (pars.size() <= MAXPARAMETERS)) + { + pars.push_back(token); + } + ServerInstance->Parser->CallHandler(command, pars, user); } - ~ModuleAliasFactory() + virtual void OnRehash(User* user) { - } + ReadAliases(); + } - virtual Module * CreateModule(InspIRCd* Me) + virtual void Prioritize() { - return new ModuleAlias(Me); + // 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); } }; - -extern "C" void * init_module( void ) -{ - return new ModuleAliasFactory; -} - +MODULE_INIT(ModuleAlias)