X-Git-Url: https://git.netwichtig.de/gitweb/?a=blobdiff_plain;f=src%2Fcommand_parse.cpp;h=57a86b0cde18b1e0a42ffd0e87c08118aef2b9da;hb=dd36852a52e8541306b76c5b88bce8ab9b36654c;hp=6ba4758bde01cf759335a90909b8de22726728f2;hpb=12fc9198eeaea7666ad65cf64fd204d038a54e4e;p=user%2Fhenk%2Fcode%2Finspircd.git diff --git a/src/command_parse.cpp b/src/command_parse.cpp index 6ba4758bd..57a86b0cd 100644 --- a/src/command_parse.cpp +++ b/src/command_parse.cpp @@ -2,15 +2,17 @@ * | Inspire Internet Relay Chat Daemon | * +------------------------------------+ * - * InspIRCd: (C) 2002-2007 InspIRCd Development Team + * InspIRCd: (C) 2002-2008 InspIRCd Development Team * See: http://www.inspircd.org/wiki/index.php/Credits * * This program is free but copyrighted software; see - * the file COPYING for details. + * the file COPYING for details. * * --------------------------------------------------- */ +/* $Core: libIRCDcommand_parse */ + #include "inspircd.h" #include "wildcard.h" #include "xline.h" @@ -25,28 +27,10 @@ #include #endif -bool InspIRCd::ULine(const char* server) -{ - if (!server) - return false; - if (!*server) - return true; - - return (Config->ulines.find(server) != Config->ulines.end()); -} - -bool InspIRCd::SilentULine(const char* server) -{ - std::map::iterator n = Config->ulines.find(server); - if (n != Config->ulines.end()) - return n->second; - else return false; -} - -int InspIRCd::OperPassCompare(const char* data,const char* input, int tagnumber) +int InspIRCd::PassCompare(Extensible* ex, const char* data,const char* input, const char* hashtype) { int MOD_RESULT = 0; - FOREACH_RESULT_I(this,I_OnOperCompare,OnOperCompare(data, input, tagnumber)) + FOREACH_RESULT_I(this,I_OnPassCompare,OnPassCompare(ex, data, input, hashtype)) if (MOD_RESULT == 1) return 0; if (MOD_RESULT == -1) @@ -54,54 +38,6 @@ int InspIRCd::OperPassCompare(const char* data,const char* input, int tagnumber) return strcmp(data,input); } -std::string InspIRCd::TimeString(time_t curtime) -{ - return std::string(ctime(&curtime),24); -} - -/** Refactored by Brain, Jun 2007. Much faster with some clever O(1) array - * lookups and pointer maths. - */ -long InspIRCd::Duration(const std::string &str) -{ - unsigned char multiplier = 0; - long total = 0; - long times = 1; - long subtotal = 0; - - /* Iterate each item in the string, looking for number or multiplier */ - for (std::string::const_reverse_iterator i = str.rbegin(); i != str.rend(); ++i) - { - /* Found a number, queue it onto the current number */ - if ((*i >= '0') && (*i <= '9')) - { - subtotal = subtotal + ((*i - '0') * times); - times = times * 10; - } - else - { - /* Found something thats not a number, find out how much - * it multiplies the built up number by, multiply the total - * and reset the built up number. - */ - if (subtotal) - total += subtotal * duration_multi[multiplier]; - - /* Next subtotal please */ - subtotal = 0; - multiplier = *i; - times = 1; - } - } - if (multiplier) - { - total += subtotal * duration_multi[multiplier]; - subtotal = 0; - } - /* Any trailing values built up are treated as raw seconds */ - return total + subtotal; -} - /* LoopCall is used to call a command classes handler repeatedly based on the contents of a comma seperated list. * There are two overriden versions of this method, one of which takes two potential lists and the other takes one. * We need a version which takes two potential lists for JOIN, because a JOIN may contain two lists of items at once, @@ -112,7 +48,7 @@ long InspIRCd::Duration(const std::string &str) * The second version is much simpler and just has the one stream to read, and is used in NAMES, WHOIS, PRIVMSG etc. * Both will only parse until they reach ServerInstance->Config->MaxTargets number of targets, to stop abuse via spam. */ -int CommandParser::LoopCall(userrec* user, command_t* CommandObj, const char** parameters, int pcnt, unsigned int splithere, unsigned int extra) +int CommandParser::LoopCall(User* user, Command* CommandObj, const char* const* parameters, int pcnt, unsigned int splithere, unsigned int extra) { /* First check if we have more than one item in the list, if we don't we return zero here and the handler * which called us just carries on as it was. @@ -161,7 +97,7 @@ int CommandParser::LoopCall(userrec* user, command_t* CommandObj, const char** p return 1; } -int CommandParser::LoopCall(userrec* user, command_t* CommandObj, const char** parameters, int pcnt, unsigned int splithere) +int CommandParser::LoopCall(User* user, Command* CommandObj, const char* const* parameters, int pcnt, unsigned int splithere) { /* First check if we have more than one item in the list, if we don't we return zero here and the handler * which called us just carries on as it was. @@ -191,8 +127,6 @@ int CommandParser::LoopCall(userrec* user, command_t* CommandObj, const char** p new_parameters[splithere] = item.c_str(); - parameters[splithere] = item.c_str(); - /* Execute the command handler over and over. If someone pulls our user * record out from under us (e.g. if we /kill a comma sep list, and we're * in that list ourselves) abort if we're gone. @@ -209,20 +143,23 @@ int CommandParser::LoopCall(userrec* user, command_t* CommandObj, const char** p return 1; } -bool CommandParser::IsValidCommand(const std::string &commandname, int pcnt, userrec * user) +bool CommandParser::IsValidCommand(const std::string &commandname, int pcnt, User * user) { - command_table::iterator n = cmdlist.find(commandname); + Commandable::iterator n = cmdlist.find(commandname); if (n != cmdlist.end()) { if ((pcnt>=n->second->min_params) && (n->second->source != "")) { - if ((!n->second->flags_needed) || (user->IsModeSet(n->second->flags_needed))) + if (IS_LOCAL(user) && n->second->flags_needed) { - if (n->second->flags_needed) + if (user->IsModeSet(n->second->flags_needed)) { - return ((user->HasPermission(commandname)) || (ServerInstance->ULine(user->server))); + return (user->HasPermission(commandname)); } + } + else + { return true; } } @@ -230,9 +167,9 @@ bool CommandParser::IsValidCommand(const std::string &commandname, int pcnt, use return false; } -command_t* CommandParser::GetHandler(const std::string &commandname) +Command* CommandParser::GetHandler(const std::string &commandname) { - command_table::iterator n = cmdlist.find(commandname); + Commandable::iterator n = cmdlist.find(commandname); if (n != cmdlist.end()) return n->second; @@ -241,9 +178,9 @@ command_t* CommandParser::GetHandler(const std::string &commandname) // calls a handler function for a command -CmdResult CommandParser::CallHandler(const std::string &commandname,const char** parameters, int pcnt, userrec *user) +CmdResult CommandParser::CallHandler(const std::string &commandname,const char* const* parameters, int pcnt, User *user) { - command_table::iterator n = cmdlist.find(commandname); + Commandable::iterator n = cmdlist.find(commandname); if (n != cmdlist.end()) { @@ -277,7 +214,48 @@ CmdResult CommandParser::CallHandler(const std::string &commandname,const char** return CMD_INVALID; } -void CommandParser::ProcessCommand(userrec *user, std::string &cmd) +void CommandParser::DoLines(User* current, bool one_only) +{ + // while there are complete lines to process... + unsigned int floodlines = 0; + + while (current->BufferIsReady()) + { + if (current->MyClass) + { + if (ServerInstance->Time() > current->reset_due) + { + current->reset_due = ServerInstance->Time() + current->MyClass->GetThreshold(); + current->lines_in = 0; + } + + if (++current->lines_in > current->MyClass->GetFlood() && current->MyClass->GetFlood()) + { + ServerInstance->FloodQuitUser(current); + return; + } + + if ((++floodlines > current->MyClass->GetFlood()) && (current->MyClass->GetFlood() != 0)) + { + ServerInstance->FloodQuitUser(current); + return; + } + } + + // use GetBuffer to copy single lines into the sanitized string + std::string single_line = current->GetBuffer(); + current->bytes_in += single_line.length(); + current->cmds_in++; + if (single_line.length() > MAXBUF - 2) // MAXBUF is 514 to allow for neccessary line terminators + single_line.resize(MAXBUF - 2); // So to trim to 512 here, we use MAXBUF - 2 + + // ProcessBuffer returns false if the user has gone over penalty + if (!ServerInstance->Parser->ProcessBuffer(single_line, current) || one_only) + break; + } +} + +bool CommandParser::ProcessCommand(User *user, std::string &cmd) { const char *command_p[MAXPARAMETERS]; int items = 0; @@ -304,82 +282,94 @@ void CommandParser::ProcessCommand(userrec *user, std::string &cmd) int MOD_RESULT = 0; FOREACH_RESULT(I_OnPreCommand,OnPreCommand(command,command_p,items,user,false,cmd)); if (MOD_RESULT == 1) { - return; + return true; } - command_table::iterator cm = cmdlist.find(command); + /* find the command, check it exists */ + Commandable::iterator cm = cmdlist.find(command); - if (cm != cmdlist.end()) + if (cm == cmdlist.end()) { - if (user) + if (user->registered == REG_ALL) { - /* activity resets the ping pending timer */ - user->nping = ServerInstance->Time() + user->pingmax; - if (cm->second->flags_needed) - { - if (!user->IsModeSet(cm->second->flags_needed)) - { - user->WriteServ("481 %s :Permission Denied - You do not have the required operator privileges",user->nick); - return; - } - if (!user->HasPermission(command)) - { - user->WriteServ("481 %s :Permission Denied - Oper type %s does not have access to command %s",user->nick,user->oper,command.c_str()); - return; - } - } - if ((user->registered == REG_ALL) && (!IS_OPER(user)) && (cm->second->IsDisabled())) - { - /* command is disabled! */ - user->WriteServ("421 %s %s :This command has been disabled.",user->nick,command.c_str()); - ServerInstance->SNO->WriteToSnoMask('d', "%s denied for %s (%s@%s)", - command.c_str(), user->nick, user->ident, user->host); - return; - } - if (items < cm->second->min_params) - { - user->WriteServ("461 %s %s :Not enough parameters.", user->nick, command.c_str()); - if ((ServerInstance->Config->SyntaxHints) && (user->registered == REG_ALL) && (cm->second->syntax.length())) - user->WriteServ("304 %s :SYNTAX %s %s", user->nick, cm->second->command.c_str(), cm->second->syntax.c_str()); - return; - } - if ((user->registered == REG_ALL) || (cm->second->WorksBeforeReg())) - { - /* ikky /stats counters */ - cm->second->use_count++; - cm->second->total_bytes += cmd.length(); - - int MOD_RESULT = 0; - FOREACH_RESULT(I_OnPreCommand,OnPreCommand(command,command_p,items,user,true,cmd)); - if (MOD_RESULT == 1) - return; - - /* - * WARNING: nothing should come after this, as the user may be on a cull list to - * be nuked next loop iteration. be sensible. - */ - CmdResult result = cm->second->Handle(command_p,items,user); - - FOREACH_MOD(I_OnPostCommand,OnPostCommand(command, command_p, items, user, result,cmd)); - return; - } - else - { - user->WriteServ("451 %s :You have not registered",command.c_str()); - return; - } + user->WriteServ("421 %s %s :Unknown command",user->nick,command.c_str()); + } + ServerInstance->stats->statsUnknown++; + return true; + } + + /* Modify the user's penalty */ + bool do_more = true; + if (!user->ExemptFromPenalty) + { + user->IncreasePenalty(cm->second->Penalty); + do_more = (user->Penalty < 10); + if (!do_more) + user->OverPenalty = true; + } + + /* activity resets the ping pending timer */ + if (user->MyClass) + user->nping = ServerInstance->Time() + user->MyClass->GetPingTime(); + + if (cm->second->flags_needed) + { + if (!user->IsModeSet(cm->second->flags_needed)) + { + user->WriteServ("481 %s :Permission Denied - You do not have the required operator privileges",user->nick); + return do_more; + } + if (!user->HasPermission(command)) + { + user->WriteServ("481 %s :Permission Denied - Oper type %s does not have access to command %s",user->nick,user->oper,command.c_str()); + return do_more; } } - else if (user) + if ((user->registered == REG_ALL) && (!IS_OPER(user)) && (cm->second->IsDisabled())) { - ServerInstance->stats->statsUnknown++; - user->WriteServ("421 %s %s :Unknown command",user->nick,command.c_str()); + /* command is disabled! */ + user->WriteServ("421 %s %s :This command has been disabled.",user->nick,command.c_str()); + ServerInstance->SNO->WriteToSnoMask('d', "%s denied for %s (%s@%s)", + command.c_str(), user->nick, user->ident, user->host); + return do_more; + } + if (items < cm->second->min_params) + { + user->WriteServ("461 %s %s :Not enough parameters.", user->nick, command.c_str()); + if ((ServerInstance->Config->SyntaxHints) && (user->registered == REG_ALL) && (cm->second->syntax.length())) + user->WriteServ("304 %s :SYNTAX %s %s", user->nick, cm->second->command.c_str(), cm->second->syntax.c_str()); + return do_more; + } + if ((user->registered != REG_ALL) && (!cm->second->WorksBeforeReg())) + { + user->WriteServ("451 %s :You have not registered",command.c_str()); + return do_more; + } + else + { + /* passed all checks.. first, do the (ugly) stats counters. */ + cm->second->use_count++; + cm->second->total_bytes += cmd.length(); + + /* module calls too */ + MOD_RESULT = 0; + FOREACH_RESULT(I_OnPreCommand,OnPreCommand(command,command_p,items,user,true,cmd)); + if (MOD_RESULT == 1) + return do_more; + + /* + * WARNING: be careful, the user may be deleted soon + */ + CmdResult result = cm->second->Handle(command_p,items,user); + + FOREACH_MOD(I_OnPostCommand,OnPostCommand(command, command_p, items, user, result,cmd)); + return do_more; } } bool CommandParser::RemoveCommands(const char* source) { - command_table::iterator i,safei; + Commandable::iterator i,safei; for (i = cmdlist.begin(); i != cmdlist.end(); i++) { safei = i; @@ -397,9 +387,9 @@ bool CommandParser::RemoveCommands(const char* source) return true; } -void CommandParser::RemoveCommand(command_table::iterator safei, const char* source) +void CommandParser::RemoveCommand(Commandable::iterator safei, const char* source) { - command_t* x = safei->second; + Command* x = safei->second; if (x->source == std::string(source)) { cmdlist.erase(safei); @@ -407,12 +397,12 @@ void CommandParser::RemoveCommand(command_table::iterator safei, const char* sou } } -void CommandParser::ProcessBuffer(std::string &buffer,userrec *user) +bool CommandParser::ProcessBuffer(std::string &buffer,User *user) { std::string::size_type a; if (!user) - return; + return true; while ((a = buffer.rfind("\n")) != std::string::npos) buffer.erase(a); @@ -421,15 +411,14 @@ void CommandParser::ProcessBuffer(std::string &buffer,userrec *user) if (buffer.length()) { - if (!user->muted) - { - ServerInstance->Log(DEBUG,"C[%d] -> :%s %s",user->GetFd(), user->nick, buffer.c_str()); - this->ProcessCommand(user,buffer); - } + ServerInstance->Logs->Log("USERINPUT", DEBUG,"C[%d] I :%s %s",user->GetFd(), user->nick, buffer.c_str()); + return this->ProcessCommand(user,buffer); } + + return true; } -bool CommandParser::CreateCommand(command_t *f, void* so_handle) +bool CommandParser::CreateCommand(Command *f, void* so_handle) { if (so_handle) { @@ -456,19 +445,19 @@ CommandParser::CommandParser(InspIRCd* Instance) : ServerInstance(Instance) para.resize(128); } -bool CommandParser::FindSym(void** v, void* h) +bool CommandParser::FindSym(void** v, void* h, const std::string &name) { *v = dlsym(h, "init_command"); const char* err = dlerror(); if (err && !(*v)) { - ServerInstance->Log(SPARSE, "Error loading core command: %s\n", err); + ServerInstance->Log(SPARSE, "Error loading core command %s: %s\n", name.c_str(), err); return false; } return true; } -bool CommandParser::ReloadCommand(const char* cmd, userrec* user) +bool CommandParser::ReloadCommand(const char* cmd, User* user) { char filename[MAXBUF]; char commandname[MAXBUF]; @@ -483,7 +472,7 @@ bool CommandParser::ReloadCommand(const char* cmd, userrec* user) if (command != RFCCommands.end()) { - command_t* cmdptr = cmdlist.find(commandname)->second; + Command* cmdptr = cmdlist.find(commandname)->second; cmdlist.erase(cmdlist.find(commandname)); for (char* x = commandname; *x; x++) @@ -509,13 +498,13 @@ bool CommandParser::ReloadCommand(const char* cmd, userrec* user) return false; } -CmdResult cmd_reload::Handle(const char** parameters, int pcnt, userrec *user) +CmdResult cmd_reload::Handle(const char* const* parameters, int /* pcnt */, User *user) { user->WriteServ("NOTICE %s :*** Reloading command '%s'",user->nick, parameters[0]); if (ServerInstance->Parser->ReloadCommand(parameters[0], user)) { user->WriteServ("NOTICE %s :*** Successfully reloaded command '%s'", user->nick, parameters[0]); - ServerInstance->WriteOpers("*** RELOAD: %s reloaded the '%s' command.", user->nick, parameters[0]); + ServerInstance->SNO->WriteToSnoMask('A', "RELOAD: %s reloaded the '%s' command.", user->nick, parameters[0]); return CMD_SUCCESS; } else @@ -529,7 +518,7 @@ const char* CommandParser::LoadCommand(const char* name) { char filename[MAXBUF]; void* h; - command_t* (*cmd_factory_func)(InspIRCd*); + Command* (*cmd_factory_func)(InspIRCd*); /* Command already exists? Succeed silently - this is needed for REHASH */ if (RFCCommands.find(name) != RFCCommands.end()) @@ -544,19 +533,19 @@ const char* CommandParser::LoadCommand(const char* name) if (!h) { const char* n = dlerror(); - ServerInstance->Log(SPARSE, "Error loading core command: %s", n); + ServerInstance->Log(SPARSE, "Error loading core command %s: %s", name, n); return n; } - if (this->FindSym((void **)&cmd_factory_func, h)) + if (this->FindSym((void **)&cmd_factory_func, h, name)) { - command_t* newcommand = cmd_factory_func(ServerInstance); + Command* newcommand = cmd_factory_func(ServerInstance); this->CreateCommand(newcommand, h); } return NULL; } -void CommandParser::SetupCommandTable(userrec* user) +void CommandParser::SetupCommandTable(User* user) { RFCCommands.clear(); @@ -605,27 +594,23 @@ void CommandParser::SetupCommandTable(userrec* user) int CommandParser::TranslateUIDs(TranslateType to, const std::string &source, std::string &dest) { - userrec* user = NULL; + User* user = NULL; std::string item; int translations = 0; + dest.clear(); switch (to) { case TR_NICK: /* Translate single nickname */ - ServerInstance->Log(DEBUG,"TR_NICK"); user = ServerInstance->FindNick(source); if (user) { - ServerInstance->Log(DEBUG,"Managed UUID"); dest = user->uuid; translations++; } else - { - ServerInstance->Log(DEBUG,"Had to use source.. (%s)", source.c_str()); dest = source; - } break; case TR_NICKLIST: { @@ -640,7 +625,7 @@ int CommandParser::TranslateUIDs(TranslateType to, const std::string &source, st translations++; } else - dest.append(source); + dest.append(item); dest.append(","); } if (!dest.empty()) @@ -660,7 +645,7 @@ int CommandParser::TranslateUIDs(TranslateType to, const std::string &source, st translations++; } else - dest.append(source); + dest.append(item); dest.append(" "); } if (!dest.empty())