* | Inspire Internet Relay Chat Daemon |
* +------------------------------------+
*
- * InspIRCd: (C) 2002-2008 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.
* ---------------------------------------------------
*/
-/* $Core: libIRCDcommand_parse */
+/* $Core */
#include "inspircd.h"
-#include "wildcard.h"
#include "xline.h"
#include "socketengine.h"
#include "socket.h"
#include <dlfcn.h>
#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))
- if (MOD_RESULT == 1)
+ ModResult res;
+ FIRST_MOD_RESULT(this, OnPassCompare, res, (ex, data, input, hashtype));
+
+ /* Module matched */
+ if (res == MOD_RES_ALLOW)
return 0;
- if (MOD_RESULT == -1)
+
+ /* Module explicitly didnt match */
+ if (res == MOD_RES_DENY)
+ return 1;
+
+ /* We dont handle any hash types except for plaintext - Thanks tra26 */
+ if (hashtype != "" && hashtype != "plaintext")
+ /* See below. 1 because they dont match */
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.
* 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<std::string>& 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.
- * By using std::map (thanks for the idea w00t) we can cut this down a ton.
+ * By using std::set (thanks for the idea w00t) we can cut this down a ton.
* ...VOOODOOOO!
*/
- std::map<irc::string, bool> dupes;
+ std::set<irc::string> dupes;
/* Create two lists, one for channel names, one for keys
*/
{
if (dupes.find(item.c_str()) == dupes.end())
{
- const char* new_parameters[MAXPARAMETERS];
+ std::vector<std::string> 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 = "";
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;
+ dupes.insert(item.c_str());
}
}
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<std::string>& 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<irc::string, bool> dupes;
+ std::set<irc::string> dupes;
/* Only one commasepstream here */
irc::commasepstream items1(parameters[splithere]);
{
if (dupes.find(item.c_str()) == dupes.end())
{
- const char* new_parameters[MAXPARAMETERS];
+ std::vector<std::string> 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. */
+ CommandObj->Handle(new_parameters, user);
- /* 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);
-
- dupes[item.c_str()] = true;
+ dupes.insert(item.c_str());
}
}
/* By returning 1 we tell our caller that nothing is to be done,
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 != "<core>"))
+ if ((pcnt >= n->second->min_params))
{
if (IS_LOCAL(user) && n->second->flags_needed)
{
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;
// 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<std::string>& 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;
if (bOkay)
{
- return n->second->Handle(parameters,pcnt,user);
+ return n->second->Handle(parameters,user);
}
}
}
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();
bool CommandParser::ProcessCommand(User *user, std::string &cmd)
{
- const char *command_p[MAXPARAMETERS];
- int items = 0;
+ std::vector<std::string> 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)
* 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));
- if (MOD_RESULT == 1) {
- return true;
- }
/* find the command, check it exists */
- Commandable::iterator cm = cmdlist.find(command);
-
+ Commandtable::iterator cm = cmdlist.find(command);
+
+ /* Modify the user's penalty regardless of whether or not the command exists */
+ bool do_more = true;
+ if (!user->HasPrivPermission("users/flood/no-throttle"))
+ {
+ // If it *doesn't* exist, give it a slightly heftier penalty than normal to deter flooding us crap
+ user->IncreasePenalty(cm != cmdlist.end() ? cm->second->Penalty : 2);
+ do_more = (user->Penalty < 10);
+ }
+
+
if (cm == cmdlist.end())
{
- if (user->registered == REG_ALL)
+ ModResult MOD_RESULT;
+ FIRST_MOD_RESULT(ServerInstance, OnPreCommand, MOD_RESULT, (command, command_p, user, false, cmd));
+ if (MOD_RESULT == MOD_RES_DENY)
+ return true;
+
+ /*
+ * This double lookup is in case a module (abbreviation) wishes to change a command.
+ * Sure, the double lookup is a bit painful, but bear in mind this only happens for unknowns anyway.
+ *
+ * Thanks dz for making me actually understand why this is necessary!
+ * -- w00t
+ */
+ cm = cmdlist.find(command);
+ if (cm == cmdlist.end())
{
- user->WriteServ("421 %s %s :Unknown command",user->nick,command.c_str());
+ if (user->registered == REG_ALL)
+ user->WriteNumeric(ERR_UNKNOWNCOMMAND, "%s %s :Unknown command",user->nick.c_str(),command.c_str());
+ ServerInstance->stats->statsUnknown++;
+ return true;
}
- ServerInstance->stats->statsUnknown++;
- return true;
}
- /* Modify the user's penalty */
- bool do_more = true;
- if (!user->ExemptFromPenalty)
+ if (cm->second->max_params && command_p.size() > cm->second->max_params)
{
- user->IncreasePenalty(cm->second->Penalty);
- do_more = (user->Penalty < 10);
- if (!do_more)
- user->OverPenalty = true;
+ /*
+ * command_p input (assuming max_params 1):
+ * this
+ * is
+ * a
+ * test
+ */
+ std::string lparam = "";
+
+ /*
+ * The '-1' here is a clever trick, we'll go backwards throwing everything into a temporary param
+ * and then just toss that into the array.
+ * -- w00t
+ */
+ while (command_p.size() > (cm->second->max_params - 1))
+ {
+ // BE CAREFUL: .end() returns past the end of the vector, hence decrement.
+ std::vector<std::string>::iterator it = --command_p.end();
+
+ lparam.insert(0, " " + *(it));
+ command_p.erase(it); // remove last element
+ }
+
+ /* we now have (each iteration):
+ * ' test'
+ * ' a test'
+ * ' is a test' <-- final string
+ * ...now remove the ' ' at the start...
+ */
+ lparam.erase(lparam.begin());
+
+ /* param is now 'is a test', which is exactly what we wanted! */
+ command_p.push_back(lparam);
}
+ /*
+ * We call OnPreCommand here seperately if the command exists, so the magic above can
+ * truncate to max_params if necessary. -- w00t
+ */
+ ModResult MOD_RESULT;
+ FIRST_MOD_RESULT(ServerInstance, OnPreCommand, MOD_RESULT, (command, command_p, user, false, cmd));
+ if (MOD_RESULT == MOD_RES_DENY)
+ return true;
+
/* activity resets the ping pending timer */
if (user->MyClass)
user->nping = ServerInstance->Time() + user->MyClass->GetPingTime();
{
if (!user->IsModeSet(cm->second->flags_needed))
{
- user->WriteServ("481 %s :Permission Denied - You do not have the required operator privileges",user->nick);
+ 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());
+ 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());
- ServerInstance->SNO->WriteToSnoMask('d', "%s denied for %s (%s@%s)",
- command.c_str(), user->nick, user->ident, user->host);
+ 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('t', "%s denied for %s (%s@%s)",
+ 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());
+ 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());
+ user->WriteNumeric(ERR_NOTREGISTERED, "%s :You have not registered",command.c_str());
return do_more;
}
else
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));
- if (MOD_RESULT == 1)
+ FIRST_MOD_RESULT(ServerInstance, OnPreCommand, MOD_RESULT, (command, command_p, user, true, cmd));
+ if (MOD_RESULT == MOD_RES_DENY)
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));
+ FOREACH_MOD(I_OnPostCommand,OnPostCommand(command, command_p, user, result,cmd));
return do_more;
}
}
-bool CommandParser::RemoveCommands(const char* source)
+void CommandParser::RemoveCommands(Module* 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, Module* source)
{
Command* x = safei->second;
- if (x->source == std::string(source))
+ if (x->creator == source)
{
cmdlist.erase(safei);
- delete x;
}
}
if (buffer.length())
{
- ServerInstance->Log(DEBUG,"C[%d] I :%s %s",user->GetFd(), user->nick, buffer.c_str());
+ 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)
+bool CommandParser::CreateCommand(Command *f)
{
- if (so_handle)
- {
- if (RFCCommands.find(f->command) == RFCCommands.end())
- 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.");
- return false;
- }
- }
-
/* create the command and push it onto the table */
if (cmdlist.find(f->command) == cmdlist.end())
{
cmdlist[f->command] = f;
return true;
}
- else return false;
+ return false;
}
CommandParser::CommandParser(InspIRCd* Instance) : ServerInstance(Instance)
para.resize(128);
}
-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: %s\n", name.c_str(), err);
- return false;
- }
- return true;
-}
-
-bool CommandParser::ReloadCommand(const char* cmd, User* user)
+int CommandParser::TranslateUIDs(const std::vector<TranslateType> to, const std::vector<std::string> &source, std::string &dest, bool prefix_final, Command* custom_translator)
{
- char filename[MAXBUF];
- char commandname[MAXBUF];
- int y = 0;
-
- for (const char* x = cmd; *x; x++, y++)
- commandname[y] = toupper(*x);
-
- commandname[y] = 0;
-
- SharedObjectList::iterator command = RFCCommands.find(commandname);
+ std::vector<TranslateType>::const_iterator types = to.begin();
+ User* user = NULL;
+ unsigned int i;
+ int translations = 0;
+ dest.clear();
- if (command != RFCCommands.end())
+ for(i=0; i < source.size(); i++)
{
- Command* cmdptr = cmdlist.find(commandname)->second;
- cmdlist.erase(cmdlist.find(commandname));
-
- for (char* x = commandname; *x; x++)
- *x = tolower(*x);
-
+ TranslateType t;
+ std::string item = source[i];
- delete cmdptr;
- dlclose(command->second);
- RFCCommands.erase(command);
-
- snprintf(filename, MAXBUF, "cmd_%s.so", commandname);
- const char* err = this->LoadCommand(filename);
- if (err)
+ if (types == to.end())
+ t = TR_TEXT;
+ else
{
- if (user)
- user->WriteServ("NOTICE %s :*** Error loading 'cmd_%s.so': %s", user->nick, cmd, err);
- return false;
+ t = *types;
+ types++;
}
- return true;
- }
-
- return false;
-}
-
-CmdResult cmd_reload::Handle(const char** 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->SNO->WriteToSnoMask('O', "RELOAD: %s reloaded the '%s' command.", user->nick, parameters[0]);
- 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]);
- return CMD_FAILURE;
- }
-}
-
-const char* CommandParser::LoadCommand(const char* name)
-{
- char filename[MAXBUF];
- void* h;
- Command* (*cmd_factory_func)(InspIRCd*);
+ if (prefix_final && i == source.size() - 1)
+ dest.append(":");
- /* 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);
- return NULL;
- }
-
- snprintf(filename, MAXBUF, "%s/%s", LIBRARYDIR, name);
- h = dlopen(filename, RTLD_NOW | RTLD_GLOBAL);
-
- if (!h)
- {
- const char* n = dlerror();
- ServerInstance->Log(SPARSE, "Error loading core command %s: %s", name, n);
- return n;
- }
-
- if (this->FindSym((void **)&cmd_factory_func, h, name))
- {
- Command* newcommand = cmd_factory_func(ServerInstance);
- this->CreateCommand(newcommand, h);
- }
- return NULL;
-}
-
-void CommandParser::SetupCommandTable(User* user)
-{
- RFCCommands.clear();
-
- if (!user)
- {
- printf("\nLoading core commands");
- fflush(stdout);
- }
-
- DIR* library = opendir(LIBRARYDIR);
- if (library)
- {
- dirent* entry = NULL;
- while ((entry = readdir(library)))
+ switch (t)
{
- if (match(entry->d_name, "cmd_*.so"))
- {
- if (!user)
- {
- printf(".");
- fflush(stdout);
- }
- const char* err = this->LoadCommand(entry->d_name);
- if (err)
+ case TR_NICK:
+ /* Translate single nickname */
+ user = ServerInstance->FindNick(item);
+ if (user)
{
- if (user)
- {
- user->WriteServ("NOTICE %s :*** Failed to load core command %s: %s", user->nick, entry->d_name, err);
- }
- else
- {
- printf("Error loading %s: %s", entry->d_name, err);
- exit(EXIT_STATUS_BADHANDLER);
- }
+ dest.append(user->uuid);
+ translations++;
}
- }
+ else
+ dest.append(item);
+ break;
+ case TR_CUSTOM:
+ if (custom_translator)
+ custom_translator->EncodeParameter(item, i);
+ dest.append(item);
+ break;
+ case TR_END:
+ case TR_TEXT:
+ default:
+ /* Do nothing */
+ dest.append(item);
+ break;
}
- closedir(library);
- if (!user)
- printf("\n");
+ if (i != source.size() - 1)
+ dest.append(" ");
}
- if (cmdlist.find("RELOAD") == cmdlist.end())
- this->CreateCommand(new cmd_reload(ServerInstance));
+ return translations;
}
int CommandParser::TranslateUIDs(TranslateType to, const std::string &source, std::string &dest)
else
dest = source;
break;
- case TR_NICKLIST:
- {
- /* Translate comma seperated list of nicknames */
- irc::commasepstream items(source);
- while (items.GetToken(item))
- {
- user = ServerInstance->FindNick(item);
- if (user)
- {
- dest.append(user->uuid);
- translations++;
- }
- else
- dest.append(item);
- dest.append(",");
- }
- if (!dest.empty())
- dest.erase(dest.end() - 1);
- }
- break;
- case TR_SPACENICKLIST:
- {
- /* Translate space seperated list of nicknames */
- irc::spacesepstream items(source);
- while (items.GetToken(item))
- {
- user = ServerInstance->FindNick(item);
- if (user)
- {
- dest.append(user->uuid);
- translations++;
- }
- else
- dest.append(item);
- dest.append(" ");
- }
- if (!dest.empty())
- dest.erase(dest.end() - 1);
- }
- break;
case TR_END:
case TR_TEXT:
default:
return translations;
}
-