X-Git-Url: https://git.netwichtig.de/gitweb/?a=blobdiff_plain;f=src%2Fcmd_who.cpp;h=07370f31eddaa422f7dafc03f68cb8ce54bee1a3;hb=4c83624ed825ca123401a45c8d2844ba6453a85b;hp=c25fa611d13cadee5cd5a27537efeeb835772513;hpb=aaf5226111f515f4baa68e95ea6a1db740828ac3;p=user%2Fhenk%2Fcode%2Finspircd.git diff --git a/src/cmd_who.cpp b/src/cmd_who.cpp index c25fa611d..07370f31e 100644 --- a/src/cmd_who.cpp +++ b/src/cmd_who.cpp @@ -2,187 +2,345 @@ * | Inspire Internet Relay Chat Daemon | * +------------------------------------+ * - * InspIRCd is copyright (C) 2002-2006 ChatSpike-Dev. - * E-mail: - * - * + * 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. + * the file COPYING for details. * * --------------------------------------------------- */ -using namespace std; - -#include "inspircd_config.h" -#include "inspircd_io.h" -#include -#include -#ifdef GCC3 -#include -#else -#include -#endif -#include -#include -#include -#include -#include "users.h" -#include "ctables.h" -#include "globals.h" -#include "modules.h" -#include "dynamic.h" -#include "wildcard.h" -#include "message.h" -#include "commands.h" -#include "mode.h" -#include "xline.h" -#include "inspstring.h" -#include "dnsqueue.h" -#include "helperfuncs.h" -#include "hashcomp.h" -#include "socketengine.h" -#include "typedefs.h" -#include "command_parse.h" #include "inspircd.h" -#include "cmd_who.h" - -extern ServerConfig* Config; -extern InspIRCd* ServerInstance; -extern int MODCOUNT; -extern std::vector modules; -extern std::vector factory; -extern time_t TIME; -extern user_hash clientlist; -extern chan_hash chanlist; -extern std::vector all_opers; -extern std::vector local_users; -extern userrec* fd_ref_table[MAX_DESCRIPTORS]; - -void cmd_who::Handle (char **parameters, int pcnt, userrec *user) +#include "wildcard.h" +#include "commands/cmd_who.h" + +static char *get_first_visible_channel(userrec *u) { - chanrec* Ptr = NULL; - char tmp[10]; - - /* theres more to do here, but for now just close the socket */ - if (pcnt == 1) + UCListIter i = u->chans.begin(); + if (i != u->chans.end()) + { + if (!i->first->IsModeSet('s')) + return i->first->name; + } + + return "*"; +} + +bool cmd_who::whomatch(userrec* user, const char* matchtext) +{ + bool realhost = false; + bool realname = false; + bool positive = true; + bool metadata = false; + bool ident = false; + bool away = false; + bool port = false; + char* dummy = NULL; + + if (user->registered != REG_ALL) + return false; + + if (opt_local && !IS_LOCAL(user)) + return false; + else if (opt_far && IS_LOCAL(user)) + return false; + + if (opt_mode) { - if ((IS_SINGLE(parameters[0],'0')) || (IS_SINGLE(parameters[0],'*'))) + for (const char* n = matchtext; *n; n++) { - if ((user->chans.size()) && (user->chans[0].channel)) + if (*n == '+') { - int n_list = 0; - for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++) + positive = true; + continue; + } + else if (*n == '-') + { + positive = false; + continue; + } + if (user->IsModeSet(*n) != positive) + return false; + } + return true; + } + else + { + + if (opt_metadata) + metadata = user->GetExt(matchtext, dummy); + else + { + if (opt_realname) + realname = match(user->fullname, matchtext); + else + { + if (opt_showrealhost) + realhost = match(user->host, matchtext); + else { - Ptr = i->second->chans[0].channel; - // suggested by phidjit and FCS - if ((!common_channels(user,i->second)) && (isnick(i->second->nick))) + if (opt_ident) + ident = match(user->ident, matchtext); + else { - // Bug Fix #29 - *tmp = 0; - if (*i->second->awaymsg) { - charlcat(tmp, 'G', 9); - } else { - charlcat(tmp, 'H', 9); + if (opt_port) + { + irc::portparser portrange(matchtext, false); + long portno = -1; + while ((portno = portrange.GetToken())) + if (portno == user->GetPort()) + port = true; } - if (*i->second->oper) { charlcat(tmp, '*', 9); } - WriteServ(user->fd,"352 %s %s %s %s %s %s %s :0 %s",user->nick, Ptr ? Ptr->name : "*", i->second->ident, i->second->dhost, i->second->server, i->second->nick, tmp, i->second->fullname); - if (n_list++ > Config->MaxWhoResults) + else { - WriteServ(user->fd,"523 %s WHO :Command aborted: More results than configured limit",user->nick); - break; + if (opt_away) + away = match(user->awaymsg, matchtext); } } } } - if (Ptr) + } + return ((port) || (away) || (ident) || (metadata) || (realname) || (realhost) || (match(user->dhost, matchtext)) || (match(user->nick, matchtext)) || (match(user->server, matchtext))); + } +} + + + +extern "C" DllExport command_t* init_command(InspIRCd* Instance) +{ + return new cmd_who(Instance); +} + +bool cmd_who::CanView(chanrec* chan, userrec* user) +{ + if (!user || !chan) + return false; + + /* Bug #383 - moved higher up the list, because if we are in the channel + * we can see all its users + */ + if (chan->HasUser(user)) + return true; + /* Opers see all */ + if (IS_OPER(user)) + return true; + /* Cant see inside a +s or a +p channel unless we are a member (see above) */ + else if (!chan->IsModeSet('s') && !chan->IsModeSet('p')) + return true; + + return false; +} + +void cmd_who::SendWhoLine(userrec* user, const std::string &initial, chanrec* ch, userrec* u, std::vector &whoresults) +{ + std::string lcn = get_first_visible_channel(u); + chanrec* chlast = ServerInstance->FindChan(lcn); + + /* Not visible to this user */ + if (u->Visibility && !u->Visibility->VisibleTo(user)) + return; + + std::string wholine = initial + (ch ? ch->name : lcn) + " " + u->ident + " " + (opt_showrealhost ? u->host : u->dhost) + " " + + ((*ServerInstance->Config->HideWhoisServer && !IS_OPER(user)) ? ServerInstance->Config->HideWhoisServer : u->server) + + " " + u->nick + " "; + + /* away? */ + if (IS_AWAY(u)) + { + wholine.append("G"); + } + else + { + wholine.append("H"); + } + + /* oper? */ + if (IS_OPER(u)) + { + wholine.append("*"); + } + + wholine = wholine + (ch ? ch->GetPrefixChar(u) : (chlast ? chlast->GetPrefixChar(u) : "")) + " :0 " + u->fullname; + whoresults.push_back(wholine); +} + +CmdResult cmd_who::Handle (const char** parameters, int pcnt, userrec *user) +{ + /* + * XXX - RFC says: + * The passed to WHO is matched against users' host, server, real + * name and nickname + * Currently, we support WHO #chan, WHO nick, WHO 0, WHO *, and the addition of a 'o' flag, as per RFC. + */ + + /* WHO options */ + opt_viewopersonly = false; + opt_showrealhost = false; + opt_unlimit = false; + opt_realname = false; + opt_mode = false; + opt_ident = false; + opt_metadata = false; + opt_port = false; + opt_away = false; + opt_local = false; + opt_far = false; + + chanrec *ch = NULL; + std::vector whoresults; + std::string initial = "352 " + std::string(user->nick) + " "; + + const char* matchtext = NULL; + bool usingwildcards = false; + + /* Change '0' into '*' so the wildcard matcher can grok it */ + matchtext = parameters[0]; + if (!strcmp(matchtext,"0")) + matchtext = "*"; + + for (const char* check = matchtext; *check; check++) + { + if (*check == '*' || *check == '?') + { + usingwildcards = true; + break; + } + } + + if (pcnt > 1) + { + /* parse flags */ + const char *iter = parameters[1]; + + while (*iter) + { + switch (*iter) { - WriteServ(user->fd,"315 %s %s :End of /WHO list.",user->nick , parameters[0]); + case 'o': + opt_viewopersonly = true; + break; + case 'h': + if (IS_OPER(user)) + opt_showrealhost = true; + break; + case 'u': + if (IS_OPER(user)) + opt_unlimit = true; + break; + case 'r': + opt_realname = true; + break; + case 'm': + opt_mode = true; + break; + case 'M': + opt_metadata = true; + break; + case 'i': + opt_ident = true; + break; + case 'p': + opt_port = true; + break; + case 'a': + opt_away = true; + break; + case 'l': + opt_local = true; + break; + case 'f': + opt_far = true; + break; } - else + + *iter++; + } + } + + + /* who on a channel? */ + ch = ServerInstance->FindChan(matchtext); + + if (ch) + { + if (CanView(ch,user)) + { + bool inside = ch->HasUser(user); + + /* who on a channel. */ + CUList *cu = ch->GetUsers(); + + for (CUList::iterator i = cu->begin(); i != cu->end(); i++) { - WriteServ(user->fd,"315 %s %s :End of /WHO list.",user->nick, parameters[0]); + /* None of this applies if we WHO ourselves */ + if (user != i->first) + { + /* opers only, please */ + if (opt_viewopersonly && !IS_OPER(i->first)) + continue; + + /* If we're not inside the channel, hide +i users */ + if (i->first->IsModeSet('i') && !inside) + continue; + } + + SendWhoLine(user, initial, ch, i->first, whoresults); } - return; } - if (parameters[0][0] == '#') + } + else + { + /* Match against wildcard of nick, server or host */ + if (opt_viewopersonly) { - Ptr = FindChan(parameters[0]); - if (Ptr) + /* Showing only opers */ + for (std::vector::iterator i = ServerInstance->all_opers.begin(); i != ServerInstance->all_opers.end(); i++) { - int n_list = 0; - for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++) + userrec* oper = *i; + + if (whomatch(oper, matchtext)) { - if ((Ptr->HasUser(i->second)) && (isnick(i->second->nick))) + if (!user->SharesChannelWith(oper)) { - // Fix Bug #29 - Part 2.. - *tmp = 0; - if (*i->second->awaymsg) { - charlcat(tmp, 'G', 9); - } else { - charlcat(tmp, 'H', 9); - } - if (*i->second->oper) { charlcat(tmp, '*', 9); } - strlcat(tmp, cmode(i->second, Ptr),5); - WriteServ(user->fd,"352 %s %s %s %s %s %s %s :0 %s",user->nick, Ptr->name, i->second->ident, i->second->dhost, i->second->server, i->second->nick, tmp, i->second->fullname); - n_list++; - if (n_list > Config->MaxWhoResults) - { - WriteServ(user->fd,"523 %s WHO :Command aborted: More results than configured limit",user->nick); - break; - } - + if (usingwildcards && (!oper->IsModeSet('i')) && (!IS_OPER(user))) + continue; } + + SendWhoLine(user, initial, NULL, oper, whoresults); } - WriteServ(user->fd,"315 %s %s :End of /WHO list.",user->nick, parameters[0]); - } - else - { - WriteServ(user->fd,"401 %s %s :No such nick/channel",user->nick, parameters[0]); } } else { - userrec* u = Find(parameters[0]); - if (u) + for (user_hash::iterator i = ServerInstance->clientlist->begin(); i != ServerInstance->clientlist->end(); i++) { - // Bug Fix #29 -- Part 29.. - *tmp = 0; - if (*u->awaymsg) { - charlcat(tmp, 'G' ,9); - } else { - charlcat(tmp, 'H' ,9); + if (whomatch(i->second, matchtext)) + { + if (!user->SharesChannelWith(i->second)) + { + if (usingwildcards && (i->second->IsModeSet('i')) && (!IS_OPER(user))) + continue; + } + + SendWhoLine(user, initial, NULL, i->second, whoresults); } - if (*u->oper) { charlcat(tmp, '*' ,9); } - WriteServ(user->fd,"352 %s %s %s %s %s %s %s :0 %s",user->nick, u->chans.size() && u->chans[0].channel ? u->chans[0].channel->name - : "*", u->ident, u->dhost, u->server, u->nick, tmp, u->fullname); } - WriteServ(user->fd,"315 %s %s :End of /WHO list.",user->nick, parameters[0]); } } - if (pcnt == 2) + /* Send the results out */ + if ((ServerInstance->Config->MaxWhoResults && (whoresults.size() <= (size_t)ServerInstance->Config->MaxWhoResults)) || opt_unlimit) { - if ((IS_SINGLE(parameters[0],'0')) || (IS_SINGLE(parameters[0],'*')) && (IS_SINGLE(parameters[1],'o'))) - { - for (std::vector::iterator i = all_opers.begin(); i != all_opers.end(); i++) - { - // If i were a rich man.. I wouldn't need to me making these bugfixes.. - // But i'm a poor bastard with nothing better to do. - userrec* oper = *i; - *tmp = 0; - if (*oper->awaymsg) { - charlcat(tmp, 'G' ,9); - } else { - charlcat(tmp, 'H' ,9); - } - WriteServ(user->fd,"352 %s %s %s %s %s %s %s* :0 %s", user->nick, oper->chans.size() && oper->chans[0].channel ? oper->chans[0].channel->name - : "*", oper->ident, oper->dhost, oper->server, oper->nick, tmp, oper->fullname); - } - WriteServ(user->fd,"315 %s %s :End of /WHO list.",user->nick, parameters[0]); - return; - } + for (std::vector::const_iterator n = whoresults.begin(); n != whoresults.end(); n++) + user->WriteServ(*n); + user->WriteServ("315 %s %s :End of /WHO list.",user->nick, *parameters[0] ? parameters[0] : "*"); + return CMD_SUCCESS; + } + else + { + /* BZZT! Too many results. */ + user->WriteServ("315 %s %s :Too many results",user->nick, parameters[0]); + return CMD_FAILURE; } }