-/* +------------------------------------+
+ /* +------------------------------------+
* | Inspire Internet Relay Chat Daemon |
* +------------------------------------+
*
- * InspIRCd is copyright (C) 2002-2006 ChatSpike-Dev.
- * E-mail:
- * <brain@chatspike.net>
- * <Craig@chatspike.net>
+ * InspIRCd: (C) 2002-2007 InspIRCd Development Team
+ * See: http://www.inspircd.org/wiki/index.php/Credits
*
- * Written by Craig Edwards, Craig McLure, and others.
* This program is free but copyrighted software; see
* the file COPYING for details.
*
* ---------------------------------------------------
*/
-#include "inspircd_config.h"
#include "inspircd.h"
#include "configreader.h"
-#include <unistd.h>
-#include <fcntl.h>
-#include <sys/errno.h>
-#include <sys/ioctl.h>
-#include <sys/utsname.h>
-#include <time.h>
-#include <string>
-#include <sstream>
-#include <vector>
-#include <sched.h>
-#ifdef THREADED_DNS
-#include <pthread.h>
-#endif
+#include <algorithm>
+#include <dirent.h>
+#include <dlfcn.h>
#include "users.h"
-#include "globals.h"
#include "modules.h"
-#include "dynamic.h"
#include "wildcard.h"
-#include "message.h"
-#include "mode.h"
-#include "commands.h"
#include "xline.h"
-#include "inspstring.h"
-#include "dnsqueue.h"
-#include "helperfuncs.h"
-#include "hashcomp.h"
#include "socketengine.h"
-#include "userprocess.h"
#include "socket.h"
-#include "dns.h"
-#include "typedefs.h"
#include "command_parse.h"
-#include "ctables.h"
-#define nspace __gnu_cxx
+bool InspIRCd::ULine(const char* server)
+{
+ if (!server)
+ return false;
+ if (!*server)
+ return true;
-extern InspIRCd* ServerInstance;
+ return (Config->ulines.find(server) != Config->ulines.end());
+}
-extern std::vector<Module*> modules;
-extern std::vector<ircd_module*> factory;
-extern std::vector<InspSocket*> module_sockets;
-extern std::vector<userrec*> local_users;
+bool InspIRCd::SilentULine(const char* server)
+{
+ std::map<irc::string,bool>::iterator n = Config->ulines.find(server);
+ if (n != Config->ulines.end())
+ return n->second;
+ else return false;
+}
-extern int MODCOUNT;
-extern InspSocket* socket_ref[MAX_DESCRIPTORS];
-extern time_t TIME;
+int InspIRCd::OperPassCompare(const char* data,const char* input, int tagnumber)
+{
+ int MOD_RESULT = 0;
+ FOREACH_RESULT_I(this,I_OnOperCompare,OnOperCompare(data, input, tagnumber))
+ if (MOD_RESULT == 1)
+ return 0;
+ if (MOD_RESULT == -1)
+ return 1;
+ return strcmp(data,input);
+}
-// This table references users by file descriptor.
-// its an array to make it VERY fast, as all lookups are referenced
-// by an integer, meaning there is no need for a scan/search operation.
-extern userrec* fd_ref_table[MAX_DESCRIPTORS];
+std::string InspIRCd::TimeString(time_t curtime)
+{
+ return std::string(ctime(&curtime),24);
+}
-extern Server* MyServer;
-extern ServerConfig *Config;
+long InspIRCd::Duration(const char* str)
+{
+ char n_field[MAXBUF];
+ long total = 0;
+ n_field[0] = 0;
-extern user_hash clientlist;
-extern chan_hash chanlist;
+ if ((!strchr(str,'s')) && (!strchr(str,'m')) && (!strchr(str,'h')) && (!strchr(str,'d')) && (!strchr(str,'w')) && (!strchr(str,'y')))
+ {
+ std::string n = str;
+ n += 's';
+ return Duration(n.c_str());
+ }
+
+ for (char* i = (char*)str; *i; i++)
+ {
+ // if we have digits, build up a string for the value in n_field,
+ // up to 10 digits in size.
+ if ((*i >= '0') && (*i <= '9'))
+ {
+ strlcat(n_field,i,10);
+ }
+ else
+ {
+ // we dont have a digit, check for numeric tokens
+ switch (tolower(*i))
+ {
+ case 's':
+ total += atoi(n_field);
+ break;
+
+ case 'm':
+ total += (atoi(n_field)*duration_m);
+ break;
+
+ case 'h':
+ total += (atoi(n_field)*duration_h);
+ break;
+
+ case 'd':
+ total += (atoi(n_field)*duration_d);
+ break;
-/* Special commands which may occur without registration of the user */
-cmd_user* command_user;
-cmd_nick* command_nick;
-cmd_pass* command_pass;
+ case 'w':
+ total += (atoi(n_field)*duration_w);
+ break;
+ case 'y':
+ total += (atoi(n_field)*duration_y);
+ break;
+ }
+ n_field[0] = 0;
+ }
+ }
+ // add trailing seconds
+ total += atoi(n_field);
+
+ return total;
+}
/* 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.
* Therefore, we need to deal with both lists concurrently. The first instance of this method does that by creating
* two instances of irc::commasepstream and reading them both together until the first runs out of tokens.
* 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 Config->MaxTargets number of targets, to stop abuse via spam.
+ * 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)
{
if (!strchr(parameters[splithere],','))
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.
+ * ...VOOODOOOO!
+ */
+ std::map<irc::string, bool> dupes;
+
/* Create two lists, one for channel names, one for keys
*/
irc::commasepstream items1(parameters[splithere]);
irc::commasepstream items2(parameters[extra]);
- std::string item = "";
+ std::string item = "*";
unsigned int max = 0;
/* Attempt to iterate these lists and call the command objech
* which called us, for every parameter pair until there are
* no more left to parse.
*/
- while (((item = items1.GetToken()) != "") && (max++ < Config->MaxTargets))
+ while (((item = items1.GetToken()) != "") && (max++ < ServerInstance->Config->MaxTargets))
{
- std::string extrastuff = items2.GetToken();
- parameters[splithere] = item.c_str();
- parameters[extra] = extrastuff.c_str();
- CommandObj->Handle(parameters,pcnt,user);
+ if (dupes.find(item.c_str()) == dupes.end())
+ {
+ const char* new_parameters[127];
+
+ for (int t = 0; (t < pcnt) && (t < 127); t++)
+ new_parameters[t] = parameters[t];
+
+ std::string extrastuff = items2.GetToken();
+
+ new_parameters[splithere] = item.c_str();
+ new_parameters[extra] = extrastuff.c_str();
+
+ CommandObj->Handle(new_parameters,pcnt,user);
+
+ dupes[item.c_str()] = true;
+ }
}
return 1;
}
if (!strchr(parameters[splithere],','))
return 0;
+ std::map<irc::string, bool> dupes;
+
/* Only one commasepstream here */
irc::commasepstream items1(parameters[splithere]);
- std::string item = "";
+ std::string item = "*";
unsigned int max = 0;
/* Parse the commasepstream until there are no tokens remaining.
* Each token we parse out, call the command handler that called us
* with it
*/
- while (((item = items1.GetToken()) != "") && (max++ < Config->MaxTargets))
+ while (((item = items1.GetToken()) != "") && (max++ < ServerInstance->Config->MaxTargets))
{
- parameters[splithere] = item.c_str();
- CommandObj->Handle(parameters,pcnt,user);
+ if (dupes.find(item.c_str()) == dupes.end())
+ {
+ const char* new_parameters[127];
+
+ for (int t = 0; (t < pcnt) && (t < 127); t++)
+ new_parameters[t] = 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);
+
+ dupes[item.c_str()] = true;
+ }
}
/* By returning 1 we tell our caller that nothing is to be done,
* as all the previous calls handled the data. This makes the parent
bool CommandParser::IsValidCommand(const std::string &commandname, int pcnt, userrec * user)
{
- nspace::hash_map<std::string,command_t*>::iterator n = cmdlist.find(commandname);
+ command_table::iterator n = cmdlist.find(commandname);
if (n != cmdlist.end())
{
{
if (n->second->flags_needed)
{
- return ((user->HasPermission(commandname)) || (is_uline(user->server)));
+ return ((user->HasPermission(commandname)) || (ServerInstance->ULine(user->server)));
}
return true;
}
return false;
}
+command_t* CommandParser::GetHandler(const std::string &commandname)
+{
+ command_table::iterator n = cmdlist.find(commandname);
+ if (n != cmdlist.end())
+ return n->second;
+
+ return NULL;
+}
+
// calls a handler function for a command
-bool CommandParser::CallHandler(const std::string &commandname,const char** parameters, int pcnt, userrec *user)
+CmdResult CommandParser::CallHandler(const std::string &commandname,const char** parameters, int pcnt, userrec *user)
{
- nspace::hash_map<std::string,command_t*>::iterator n = cmdlist.find(commandname);
+ command_table::iterator n = cmdlist.find(commandname);
if (n != cmdlist.end())
{
{
if ((user->HasPermission(commandname)) || (!IS_LOCAL(user)))
{
- n->second->Handle(parameters,pcnt,user);
- return true;
+ return n->second->Handle(parameters,pcnt,user);
}
}
else
{
- n->second->Handle(parameters,pcnt,user);
- return true;
+ return n->second->Handle(parameters,pcnt,user);
}
}
}
}
- return false;
+ return CMD_INVALID;
}
void CommandParser::ProcessCommand(userrec *user, std::string &cmd)
{
const char *command_p[127];
int items = 0;
- std::string para[127];
irc::tokenstream tokens(cmd);
- std::string command = tokens.GetToken();
+ std::string command;
+ tokens.GetToken(command);
- while (((para[items] = tokens.GetToken()) != "") && (items < 127))
- command_p[items] = para[items++].c_str();
+ /* A client sent a nick prefix on their command (ick)
+ * rhapsody and some braindead bouncers do this --
+ * the rfc says they shouldnt but also says the ircd should
+ * discard it if they do.
+ */
+ if (*command.c_str() == ':')
+ tokens.GetToken(command);
- for (std::string::iterator makeupper = command.begin(); makeupper != command.end(); makeupper++)
- *makeupper = toupper(*makeupper);
+ while (tokens.GetToken(para[items]) && (items < 127))
+ {
+ command_p[items] = para[items].c_str();
+ items++;
+ }
+
+ std::transform(command.begin(), command.end(), command.begin(), ::toupper);
int MOD_RESULT = 0;
- FOREACH_RESULT(I_OnPreCommand,OnPreCommand(command,command_p,items,user,false));
+ FOREACH_RESULT(I_OnPreCommand,OnPreCommand(command,command_p,items,user,false,cmd));
if (MOD_RESULT == 1) {
return;
}
- nspace::hash_map<std::string,command_t*>::iterator cm = cmdlist.find(command);
+ command_table::iterator cm = cmdlist.find(command);
if (cm != cmdlist.end())
{
if (user)
{
/* activity resets the ping pending timer */
- user->nping = TIME + user->pingmax;
- if (items < cm->second->min_params)
- {
- log(DEBUG,"not enough parameters: %s %s",user->nick,command.c_str());
-
- /* If syntax is given, display this as the 461 reply */
- if (cm->second->syntax.length())
- WriteServ(user->fd,"461 %s %s :Syntax: %s %s", cm->second->command.c_str(), cm->second->syntax.c_str());
- else
- WriteServ(user->fd,"461 %s %s :Not enough parameters",user->nick,command.c_str());
- return;
- }
+ user->nping = ServerInstance->Time() + user->pingmax;
if (cm->second->flags_needed)
{
if (!user->IsModeSet(cm->second->flags_needed))
{
- log(DEBUG,"permission denied: %s %s",user->nick,command.c_str());
- WriteServ(user->fd,"481 %s :Permission Denied- You do not have the required operator privilages",user->nick);
+ 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 ((cm->second->flags_needed) && (!user->HasPermission(command)))
+ if ((user->registered == REG_ALL) && (!*user->oper) && (cm->second->IsDisabled()))
{
- log(DEBUG,"permission denied: %s %s",user->nick,command.c_str());
- WriteServ(user->fd,"481 %s :Permission Denied- Oper type %s does not have access to command %s",user->nick,user->oper,command.c_str());
+ /* command is disabled! */
+ user->WriteServ("421 %s %s :This command has been disabled.",user->nick,command.c_str());
return;
}
- if ((user->registered == 7) && (!*user->oper) && (cm->second->IsDisabled()))
+ if (items < cm->second->min_params)
{
- /* command is disabled! */
- WriteServ(user->fd,"421 %s %s :This command has been disabled.",user->nick,command.c_str());
+ user->WriteServ("461 %s %s :Not enough parameters.", user->nick, command.c_str());
+ /* If syntax is given, display this as the 461 reply */
+ 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 == 7) || (cm->second == command_user) || (cm->second == command_nick) || (cm->second == command_pass))
+ 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));
+ FOREACH_RESULT(I_OnPreCommand,OnPreCommand(command,command_p,items,user,true,cmd));
if (MOD_RESULT == 1)
return;
* command handler call, as the handler
* may free the user structure!
*/
+ CmdResult result = cm->second->Handle(command_p,items,user);
- cm->second->Handle(command_p,items,user);
+ FOREACH_MOD(I_OnPostCommand,OnPostCommand(command, command_p, items, user, result,cmd));
return;
}
else
{
- WriteServ(user->fd,"451 %s :You have not registered",command.c_str());
+ user->WriteServ("451 %s :You have not registered",command.c_str());
return;
}
}
else if (user)
{
ServerInstance->stats->statsUnknown++;
- WriteServ(user->fd,"421 %s %s :Unknown command",user->nick,command.c_str());
+ user->WriteServ("421 %s %s :Unknown command",user->nick,command.c_str());
}
}
bool CommandParser::RemoveCommands(const char* source)
{
- bool go_again = true;
-
- while (go_again)
+ command_table::iterator i,safei;
+ for (i = cmdlist.begin(); i != cmdlist.end(); i++)
{
- go_again = false;
-
- for (nspace::hash_map<std::string,command_t*>::iterator i = cmdlist.begin(); i != cmdlist.end(); i++)
+ safei = i;
+ safei++;
+ if (safei != cmdlist.end())
{
- command_t* x = i->second;
- if (x->source == std::string(source))
- {
- log(DEBUG,"removecommands(%s) Removing dependent command: %s",x->source.c_str(),x->command.c_str());
- cmdlist.erase(i);
- go_again = true;
- break;
- }
+ RemoveCommand(safei, source);
}
}
-
+ safei = cmdlist.begin();
+ if (safei != cmdlist.end())
+ {
+ RemoveCommand(safei, source);
+ }
return true;
}
+void CommandParser::RemoveCommand(command_table::iterator safei, const char* source)
+{
+ command_t* x = safei->second;
+ if (x->source == std::string(source))
+ {
+ cmdlist.erase(safei);
+ }
+}
+
void CommandParser::ProcessBuffer(std::string &buffer,userrec *user)
{
std::string::size_type a;
if (!user)
return;
- while ((a = buffer.find("\n")) != std::string::npos)
+ while ((a = buffer.rfind("\n")) != std::string::npos)
buffer.erase(a);
- while ((a = buffer.find("\r")) != std::string::npos)
+ while ((a = buffer.rfind("\r")) != std::string::npos)
buffer.erase(a);
if (buffer.length())
{
- log(DEBUG,"CMDIN: %s %s",user->nick,buffer.c_str());
- this->ProcessCommand(user,buffer);
+ if (!user->muted)
+ {
+ ServerInstance->Log(DEBUG,"-> :%s %s",user->nick,buffer.c_str());
+ this->ProcessCommand(user,buffer);
+ }
}
}
-bool CommandParser::CreateCommand(command_t *f)
+bool CommandParser::CreateCommand(command_t *f, void* so_handle)
{
+ 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;
- log(DEBUG,"Added command %s (%lu parameters)",f->command.c_str(),(unsigned long)f->min_params);
return true;
}
else return false;
}
-CommandParser::CommandParser()
+CommandParser::CommandParser(InspIRCd* Instance) : ServerInstance(Instance)
{
+ para.resize(128);
this->SetupCommandTable();
}
+bool CommandParser::FindSym(void** v, void* h)
+{
+ *v = dlsym(h, "init_command");
+ const char* err = dlerror();
+ if (err)
+ {
+ ServerInstance->Log(SPARSE, "Error loading core command: %s\n", err);
+ return false;
+ }
+ return true;
+}
+
+bool CommandParser::ReloadCommand(const char* cmd)
+{
+ 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);
+
+ if (command != RFCCommands.end())
+ {
+ command_t* cmdptr = cmdlist.find(commandname)->second;
+ cmdlist.erase(cmdlist.find(commandname));
+
+ for (char* x = commandname; *x; x++)
+ *x = tolower(*x);
+
+
+ delete cmdptr;
+ dlclose(command->second);
+ RFCCommands.erase(command);
+
+ snprintf(filename, MAXBUF, "cmd_%s.so", commandname);
+ this->LoadCommand(filename);
+
+ return true;
+ }
+
+ return false;
+}
+
+CmdResult cmd_reload::Handle(const char** parameters, int pcnt, userrec *user)
+{
+ user->WriteServ("NOTICE %s :*** Reloading command '%s'",user->nick, parameters[0]);
+ if (ServerInstance->Parser->ReloadCommand(parameters[0]))
+ {
+ user->WriteServ("NOTICE %s :*** Successfully reloaded command '%s'", user->nick, parameters[0]);
+ ServerInstance->WriteOpers("*** RELOAD: %s reloaded the '%s' command.", user->nick, parameters[0]);
+ return CMD_SUCCESS;
+ }
+ else
+ {
+ user->WriteServ("NOTICE %s :*** Could not reload command '%s'", user->nick, parameters[0]);
+ return CMD_FAILURE;
+ }
+}
+
+void CommandParser::LoadCommand(const char* name)
+{
+ char filename[MAXBUF];
+ void* h;
+ command_t* (*cmd_factory_func)(InspIRCd*);
+
+ snprintf(filename, MAXBUF, "%s/%s", LIBRARYDIR, name);
+ h = dlopen(filename, RTLD_NOW | RTLD_GLOBAL);
+
+ if (!h)
+ {
+ ServerInstance->Log(SPARSE, "Error loading core command: %s", dlerror());
+ return;
+ }
+
+ if (this->FindSym((void **)&cmd_factory_func, h))
+ {
+ command_t* newcommand = cmd_factory_func(ServerInstance);
+ this->CreateCommand(newcommand, h);
+ }
+}
+
void CommandParser::SetupCommandTable()
{
- /* These three are special (can occur without
- * full user registration) and so are saved
- * for later use.
- */
- command_user = new cmd_user;
- command_nick = new cmd_nick;
- command_pass = new cmd_pass;
- this->CreateCommand(command_user);
- this->CreateCommand(command_nick);
- this->CreateCommand(command_pass);
-
- /* The rest of these arent special. boo hoo.
- */
- this->CreateCommand(new cmd_quit);
- this->CreateCommand(new cmd_version);
- this->CreateCommand(new cmd_ping);
- this->CreateCommand(new cmd_pong);
- this->CreateCommand(new cmd_admin);
- this->CreateCommand(new cmd_privmsg);
- this->CreateCommand(new cmd_info);
- this->CreateCommand(new cmd_time);
- this->CreateCommand(new cmd_whois);
- this->CreateCommand(new cmd_wallops);
- this->CreateCommand(new cmd_notice);
- this->CreateCommand(new cmd_join);
- this->CreateCommand(new cmd_names);
- this->CreateCommand(new cmd_part);
- this->CreateCommand(new cmd_kick);
- this->CreateCommand(new cmd_mode);
- this->CreateCommand(new cmd_topic);
- this->CreateCommand(new cmd_who);
- this->CreateCommand(new cmd_motd);
- this->CreateCommand(new cmd_rules);
- this->CreateCommand(new cmd_oper);
- this->CreateCommand(new cmd_list);
- this->CreateCommand(new cmd_die);
- this->CreateCommand(new cmd_restart);
- this->CreateCommand(new cmd_kill);
- this->CreateCommand(new cmd_rehash);
- this->CreateCommand(new cmd_lusers);
- this->CreateCommand(new cmd_stats);
- this->CreateCommand(new cmd_userhost);
- this->CreateCommand(new cmd_away);
- this->CreateCommand(new cmd_ison);
- this->CreateCommand(new cmd_summon);
- this->CreateCommand(new cmd_users);
- this->CreateCommand(new cmd_invite);
- this->CreateCommand(new cmd_trace);
- this->CreateCommand(new cmd_whowas);
- this->CreateCommand(new cmd_connect);
- this->CreateCommand(new cmd_squit);
- this->CreateCommand(new cmd_modules);
- this->CreateCommand(new cmd_links);
- this->CreateCommand(new cmd_map);
- this->CreateCommand(new cmd_kline);
- this->CreateCommand(new cmd_gline);
- this->CreateCommand(new cmd_zline);
- this->CreateCommand(new cmd_qline);
- this->CreateCommand(new cmd_eline);
- this->CreateCommand(new cmd_loadmodule);
- this->CreateCommand(new cmd_unloadmodule);
- this->CreateCommand(new cmd_server);
- this->CreateCommand(new cmd_commands);
+ RFCCommands.clear();
+
+ DIR* library = opendir(LIBRARYDIR);
+ if (library)
+ {
+ dirent* entry = NULL;
+ while ((entry = readdir(library)))
+ {
+ if (match(entry->d_name, "cmd_*.so"))
+ {
+ this->LoadCommand(entry->d_name);
+ }
+ }
+ closedir(library);
+ }
+
+ this->CreateCommand(new cmd_reload(ServerInstance));
}
+