X-Git-Url: https://git.netwichtig.de/gitweb/?a=blobdiff_plain;f=src%2Fcommand_parse.cpp;h=0f93e6f53d83e0ad9978d4b215f8f0ff11018a05;hb=ffc039651676e0f679726b15fac4bf133e7e5bc2;hp=e2130329b2b48b37292156285274d8949e8306ba;hpb=f490d22f6745afe28dc74169f3f57eb2dfc0cf34;p=user%2Fhenk%2Fcode%2Finspircd.git diff --git a/src/command_parse.cpp b/src/command_parse.cpp index e2130329b..0f93e6f53 100644 --- a/src/command_parse.cpp +++ b/src/command_parse.cpp @@ -2,17 +2,18 @@ * | 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 */ + #include "inspircd.h" -#include "wildcard.h" #include "xline.h" #include "socketengine.h" #include "socket.h" @@ -25,15 +26,15 @@ #include #endif -int InspIRCd::OperPassCompare(const char* data,const char* input, int tagnumber) +int InspIRCd::PassCompare(Extensible* ex, const std::string &data, const std::string &input, const std::string &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) return 1; - return strcmp(data,input); + return data != input; // this seems back to front, but returns 0 if they *match*, 1 else } /* LoopCall is used to call a command classes handler repeatedly based on the contents of a comma seperated list. @@ -46,12 +47,15 @@ int InspIRCd::OperPassCompare(const char* data,const char* input, int tagnumber) * 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(User* user, Command* CommandObj, const char** parameters, int pcnt, unsigned int splithere, unsigned int extra) +int CommandParser::LoopCall(User* user, Command* CommandObj, const std::vector& parameters, unsigned int splithere, unsigned int extra) { + if (splithere >= parameters.size()) + return 0; + /* 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. */ - if (!strchr(parameters[splithere],',')) + if (parameters[splithere].find(',') == std::string::npos) return 0; /** Some lame ircds will weed out dupes using some shitty O(n^2) algorithm. @@ -76,10 +80,10 @@ int CommandParser::LoopCall(User* user, Command* CommandObj, const char** parame { if (dupes.find(item.c_str()) == dupes.end()) { - const char* new_parameters[MAXPARAMETERS]; + std::vector new_parameters; - for (int t = 0; (t < pcnt) && (t < MAXPARAMETERS); t++) - new_parameters[t] = parameters[t]; + for (unsigned int t = 0; (t < parameters.size()) && (t < MAXPARAMETERS); t++) + new_parameters.push_back(parameters[t]); if (!items2.GetToken(extrastuff)) extrastuff = ""; @@ -87,7 +91,7 @@ int CommandParser::LoopCall(User* user, Command* CommandObj, const char** parame new_parameters[splithere] = item.c_str(); new_parameters[extra] = extrastuff.c_str(); - CommandObj->Handle(new_parameters,pcnt,user); + CommandObj->Handle(new_parameters, user); dupes[item.c_str()] = true; } @@ -95,12 +99,15 @@ int CommandParser::LoopCall(User* user, Command* CommandObj, const char** parame return 1; } -int CommandParser::LoopCall(User* user, Command* CommandObj, const char** parameters, int pcnt, unsigned int splithere) +int CommandParser::LoopCall(User* user, Command* CommandObj, const std::vector& parameters, unsigned int splithere) { + if (splithere >= parameters.size()) + return 0; + /* 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. */ - if (!strchr(parameters[splithere],',')) + if (parameters[splithere].find(',') == std::string::npos) return 0; std::map dupes; @@ -118,20 +125,15 @@ int CommandParser::LoopCall(User* user, Command* CommandObj, const char** parame { if (dupes.find(item.c_str()) == dupes.end()) { - const char* new_parameters[MAXPARAMETERS]; + std::vector new_parameters; - for (int t = 0; (t < pcnt) && (t < MAXPARAMETERS); t++) - new_parameters[t] = parameters[t]; + for (unsigned int t = 0; (t < parameters.size()) && (t < MAXPARAMETERS); t++) + new_parameters.push_back(parameters[t]); 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. - */ - CommandObj->Handle(new_parameters,pcnt,user); + /* Execute the command handler. */ + CommandObj->Handle(new_parameters, user); dupes[item.c_str()] = true; } @@ -143,13 +145,13 @@ int CommandParser::LoopCall(User* user, Command* CommandObj, const char** parame return 1; } -bool CommandParser::IsValidCommand(const std::string &commandname, int pcnt, User * user) +bool CommandParser::IsValidCommand(const std::string &commandname, unsigned int pcnt, User * user) { - Commandable::iterator n = cmdlist.find(commandname); + Commandtable::iterator n = cmdlist.find(commandname); if (n != cmdlist.end()) { - if ((pcnt>=n->second->min_params) && (n->second->source != "")) + if ((pcnt >= n->second->min_params) && (n->second->source != "")) { if (IS_LOCAL(user) && n->second->flags_needed) { @@ -169,7 +171,7 @@ bool CommandParser::IsValidCommand(const std::string &commandname, int pcnt, Use Command* CommandParser::GetHandler(const std::string &commandname) { - Commandable::iterator n = cmdlist.find(commandname); + Commandtable::iterator n = cmdlist.find(commandname); if (n != cmdlist.end()) return n->second; @@ -178,13 +180,13 @@ Command* 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, User *user) +CmdResult CommandParser::CallHandler(const std::string &commandname, const std::vector& parameters, User *user) { - Commandable::iterator n = cmdlist.find(commandname); + Commandtable::iterator n = cmdlist.find(commandname); if (n != cmdlist.end()) { - if (pcnt >= n->second->min_params) + if (parameters.size() >= n->second->min_params) { bool bOkay = false; @@ -207,19 +209,59 @@ CmdResult CommandParser::CallHandler(const std::string &commandname,const char** if (bOkay) { - return n->second->Handle(parameters,pcnt,user); + return n->second->Handle(parameters,user); } } } return CMD_INVALID; } -void CommandParser::ProcessCommand(User *user, std::string &cmd) +void CommandParser::DoLines(User* current, bool one_only) { - const char *command_p[MAXPARAMETERS]; - int items = 0; + // 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) +{ + std::vector command_p; irc::tokenstream tokens(cmd); - std::string command; + std::string command, token; tokens.GetToken(command); /* A client sent a nick prefix on their command (ick) @@ -227,77 +269,88 @@ void CommandParser::ProcessCommand(User *user, std::string &cmd) * the rfc says they shouldnt but also says the ircd should * discard it if they do. */ - if (*command.c_str() == ':') + if (command[0] == ':') tokens.GetToken(command); - while (tokens.GetToken(para[items]) && (items < MAXPARAMETERS)) - { - command_p[items] = para[items].c_str(); - items++; - } + while (tokens.GetToken(token) && (command_p.size() <= MAXPARAMETERS)) + command_p.push_back(token); std::transform(command.begin(), command.end(), command.begin(), ::toupper); int MOD_RESULT = 0; - FOREACH_RESULT(I_OnPreCommand,OnPreCommand(command,command_p,items,user,false,cmd)); + FOREACH_RESULT(I_OnPreCommand,OnPreCommand(command, command_p, user, false, cmd)); if (MOD_RESULT == 1) { - return; - } - - if (!user) - { - /* - * before, we went and found the command even with no user.. seems nonsensical. - * I'm not entirely sure when we would be passed NULL, but let's handle it - * anyway, by dropping it like a hot potato. -- w00t - */ - return; + return true; } /* find the command, check it exists */ - Commandable::iterator cm = cmdlist.find(command); + Commandtable::iterator cm = cmdlist.find(command); if (cm == cmdlist.end()) { + if (user->registered == REG_ALL) + { + user->WriteNumeric(ERR_UNKNOWNCOMMAND, "%s %s :Unknown command",user->nick.c_str(),command.c_str()); + } ServerInstance->stats->statsUnknown++; - user->WriteServ("421 %s %s :Unknown command",user->nick,command.c_str()); - return; + 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 */ - user->nping = ServerInstance->Time() + user->pingmax; + 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; + user->WriteNumeric(ERR_NOPRIVILEGES, "%s :Permission Denied - You do not have the required operator privileges",user->nick.c_str()); + 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; + user->WriteNumeric(ERR_NOPRIVILEGES, "%s :Permission Denied - Oper type %s does not have access to command %s",user->nick.c_str(),user->oper.c_str(),command.c_str()); + return do_more; } } 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()); + if (ServerInstance->Config->DisabledDontExist) + { + user->WriteNumeric(ERR_UNKNOWNCOMMAND, "%s %s :Unknown command",user->nick.c_str(),command.c_str()); + } + else + { + user->WriteNumeric(ERR_UNKNOWNCOMMAND, "%s %s :This command has been disabled.", + user->nick.c_str(), command.c_str()); + } + ServerInstance->SNO->WriteToSnoMask('d', "%s denied for %s (%s@%s)", - command.c_str(), user->nick, user->ident, user->host); - return; + command.c_str(), user->nick.c_str(), user->ident.c_str(), user->host.c_str()); + return do_more; } - if (items < cm->second->min_params) + if (command_p.size() < cm->second->min_params) { - user->WriteServ("461 %s %s :Not enough parameters.", user->nick, command.c_str()); + user->WriteNumeric(ERR_NEEDMOREPARAMS, "%s %s :Not enough parameters.", user->nick.c_str(), 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; + user->WriteNumeric(RPL_SYNTAX, "%s :SYNTAX %s %s", user->nick.c_str(), 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; + user->WriteNumeric(ERR_NOTREGISTERED, "%s :You have not registered",command.c_str()); + return do_more; } else { @@ -306,42 +359,33 @@ void CommandParser::ProcessCommand(User *user, std::string &cmd) cm->second->total_bytes += cmd.length(); /* module calls too */ - int MOD_RESULT = 0; - FOREACH_RESULT(I_OnPreCommand,OnPreCommand(command,command_p,items,user,true,cmd)); + MOD_RESULT = 0; + FOREACH_RESULT(I_OnPreCommand,OnPreCommand(command, command_p, user, true, cmd)); if (MOD_RESULT == 1) - return; + return do_more; /* * WARNING: be careful, the user may be deleted soon */ - CmdResult result = cm->second->Handle(command_p,items,user); + CmdResult result = cm->second->Handle(command_p, user); - FOREACH_MOD(I_OnPostCommand,OnPostCommand(command, command_p, items, user, result,cmd)); - return; + FOREACH_MOD(I_OnPostCommand,OnPostCommand(command, command_p, user, result,cmd)); + return do_more; } } -bool CommandParser::RemoveCommands(const char* source) +void CommandParser::RemoveCommands(const char* source) { - Commandable::iterator i,safei; - for (i = cmdlist.begin(); i != cmdlist.end(); i++) + Commandtable::iterator i,safei; + for (i = cmdlist.begin(); i != cmdlist.end();) { safei = i; - safei++; - if (safei != cmdlist.end()) - { - RemoveCommand(safei, source); - } - } - safei = cmdlist.begin(); - if (safei != cmdlist.end()) - { + i++; RemoveCommand(safei, source); } - return true; } -void CommandParser::RemoveCommand(Commandable::iterator safei, const char* source) +void CommandParser::RemoveCommand(Commandtable::iterator safei, const char* source) { Command* x = safei->second; if (x->source == std::string(source)) @@ -351,12 +395,12 @@ void CommandParser::RemoveCommand(Commandable::iterator safei, const char* sourc } } -void CommandParser::ProcessBuffer(std::string &buffer,User *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); @@ -365,12 +409,11 @@ void CommandParser::ProcessBuffer(std::string &buffer,User *user) if (buffer.length()) { - if (!user->muted) - { - ServerInstance->Log(DEBUG,"C[%d] I :%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.c_str(), buffer.c_str()); + return this->ProcessCommand(user,buffer); } + + return true; } bool CommandParser::CreateCommand(Command *f, void* so_handle) @@ -381,7 +424,7 @@ bool CommandParser::CreateCommand(Command *f, void* so_handle) RFCCommands[f->command] = so_handle; else { - ServerInstance->Log(DEFAULT,"ERK! Somehow, we loaded a cmd_*.so file twice! Only the first instance is being recorded."); + ServerInstance->Logs->Log("COMMAND",DEFAULT,"ERK! Somehow, we loaded a cmd_*.so file twice! Only the first instance is being recorded."); return false; } } @@ -406,44 +449,35 @@ bool CommandParser::FindSym(void** v, void* h, const std::string &name) const char* err = dlerror(); if (err && !(*v)) { - ServerInstance->Log(SPARSE, "Error loading core command %s: %s\n", name.c_str(), err); + ServerInstance->Logs->Log("COMMAND",SPARSE, "Error loading core command %s: %s\n", name.c_str(), err); return false; } return true; } -bool CommandParser::ReloadCommand(const char* cmd, User* user) +bool CommandParser::ReloadCommand(std::string cmd, User* user) { char filename[MAXBUF]; - char commandname[MAXBUF]; - int y = 0; - - for (const char* x = cmd; *x; x++, y++) - commandname[y] = toupper(*x); + std::transform(cmd.begin(), cmd.end(), cmd.begin(), ::toupper); - commandname[y] = 0; - - SharedObjectList::iterator command = RFCCommands.find(commandname); + SharedObjectList::iterator command = RFCCommands.find(cmd); if (command != RFCCommands.end()) { - Command* cmdptr = cmdlist.find(commandname)->second; - cmdlist.erase(cmdlist.find(commandname)); - - for (char* x = commandname; *x; x++) - *x = tolower(*x); - + Command* cmdptr = cmdlist.find(cmd)->second; + cmdlist.erase(cmdlist.find(cmd)); + RFCCommands.erase(cmd); + std::transform(cmd.begin(), cmd.end(), cmd.begin(), ::tolower); delete cmdptr; dlclose(command->second); - RFCCommands.erase(command); - snprintf(filename, MAXBUF, "cmd_%s.so", commandname); + snprintf(filename, MAXBUF, "cmd_%s.so", cmd.c_str()); const char* err = this->LoadCommand(filename); if (err) { if (user) - user->WriteServ("NOTICE %s :*** Error loading 'cmd_%s.so': %s", user->nick, cmd, err); + user->WriteServ("NOTICE %s :*** Error loading 'cmd_%s.so': %s", user->nick.c_str(), cmd.c_str(), err); return false; } @@ -453,18 +487,21 @@ bool CommandParser::ReloadCommand(const char* cmd, User* user) return false; } -CmdResult cmd_reload::Handle(const char** parameters, int pcnt, User *user) +CmdResult cmd_reload::Handle(const std::vector& parameters, User *user) { - user->WriteServ("NOTICE %s :*** Reloading command '%s'",user->nick, parameters[0]); + if (parameters.size() < 1) + return CMD_FAILURE; + + user->WriteServ("NOTICE %s :*** Reloading command '%s'",user->nick.c_str(), parameters[0].c_str()); 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]); + user->WriteServ("NOTICE %s :*** Successfully reloaded command '%s'", user->nick.c_str(), parameters[0].c_str()); + ServerInstance->SNO->WriteToSnoMask('A', "RELOAD: %s reloaded the '%s' command.", user->nick.c_str(), parameters[0].c_str()); return CMD_SUCCESS; } else { - user->WriteServ("NOTICE %s :*** Could not reload command '%s' -- fix this problem, then /REHASH as soon as possible!", user->nick, parameters[0]); + user->WriteServ("NOTICE %s :*** Could not reload command '%s' -- fix this problem, then /REHASH as soon as possible!", user->nick.c_str(), parameters[0].c_str()); return CMD_FAILURE; } } @@ -478,7 +515,7 @@ const char* CommandParser::LoadCommand(const char* name) /* Command already exists? Succeed silently - this is needed for REHASH */ if (RFCCommands.find(name) != RFCCommands.end()) { - ServerInstance->Log(DEBUG,"Not reloading command %s/%s, it already exists", LIBRARYDIR, name); + ServerInstance->Logs->Log("COMMAND",DEBUG,"Not reloading command %s/%s, it already exists", LIBRARYDIR, name); return NULL; } @@ -488,7 +525,7 @@ const char* CommandParser::LoadCommand(const char* name) if (!h) { const char* n = dlerror(); - ServerInstance->Log(SPARSE, "Error loading core command %s: %s", name, n); + ServerInstance->Logs->Log("COMMAND",SPARSE, "Error loading core command %s: %s", name, n); return n; } @@ -514,9 +551,9 @@ void CommandParser::SetupCommandTable(User* user) if (library) { dirent* entry = NULL; - while ((entry = readdir(library))) + while (0 != (entry = readdir(library))) { - if (match(entry->d_name, "cmd_*.so")) + if (InspIRCd::Match(entry->d_name, "cmd_*.so")) { if (!user) { @@ -528,7 +565,7 @@ void CommandParser::SetupCommandTable(User* user) { if (user) { - user->WriteServ("NOTICE %s :*** Failed to load core command %s: %s", user->nick, entry->d_name, err); + user->WriteServ("NOTICE %s :*** Failed to load core command %s: %s", user->nick.c_str(), entry->d_name, err); } else { @@ -552,24 +589,20 @@ int CommandParser::TranslateUIDs(TranslateType to, const std::string &source, st 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: { @@ -584,7 +617,7 @@ int CommandParser::TranslateUIDs(TranslateType to, const std::string &source, st translations++; } else - dest.append(source); + dest.append(item); dest.append(","); } if (!dest.empty()) @@ -604,7 +637,7 @@ int CommandParser::TranslateUIDs(TranslateType to, const std::string &source, st translations++; } else - dest.append(source); + dest.append(item); dest.append(" "); } if (!dest.empty()) @@ -622,3 +655,4 @@ int CommandParser::TranslateUIDs(TranslateType to, const std::string &source, st return translations; } +