mirror of https://github.com/pissnet/pissircd.git
195 lines
4.9 KiB
C
195 lines
4.9 KiB
C
/*
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* IRC - Internet Relay Chat, src/modules/names.c
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* (C) 2006 The UnrealIRCd Team
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*
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* See file AUTHORS in IRC package for additional names of
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* the programmers.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 1, or (at your option)
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* any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#include "unrealircd.h"
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CMD_FUNC(cmd_names);
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long CAP_MULTI_PREFIX = 0L;
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long CAP_USERHOST_IN_NAMES = 0L;
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#define MSG_NAMES "NAMES"
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ModuleHeader MOD_HEADER
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= {
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"names",
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"5.0",
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"command /names",
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"UnrealIRCd Team",
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"unrealircd-6",
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};
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MOD_INIT()
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{
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ClientCapabilityInfo c;
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memset(&c, 0, sizeof(c));
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c.name = "multi-prefix";
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ClientCapabilityAdd(modinfo->handle, &c, &CAP_MULTI_PREFIX);
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memset(&c, 0, sizeof(c));
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c.name = "userhost-in-names";
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ClientCapabilityAdd(modinfo->handle, &c, &CAP_USERHOST_IN_NAMES);
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CommandAdd(modinfo->handle, MSG_NAMES, cmd_names, MAXPARA, CMD_USER|CMD_SERVER);
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MARK_AS_OFFICIAL_MODULE(modinfo);
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return MOD_SUCCESS;
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}
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MOD_LOAD()
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{
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return MOD_SUCCESS;
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}
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MOD_UNLOAD()
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{
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return MOD_SUCCESS;
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}
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/************************************************************************
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* cmd_names() - Added by Jto 27 Apr 1989
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* 12 Feb 2000 - geesh, time for a rewrite -lucas
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************************************************************************/
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/*
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** cmd_names
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** parv[1] = channel
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*/
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#define TRUNCATED_NAMES 64
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CMD_FUNC(cmd_names)
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{
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int multiprefix = (MyConnect(client) && HasCapabilityFast(client, CAP_MULTI_PREFIX));
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int uhnames = (MyConnect(client) && HasCapabilityFast(client, CAP_USERHOST_IN_NAMES)); // cache UHNAMES support
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int bufLen = NICKLEN + (!uhnames ? 0 : (1 + USERLEN + 1 + HOSTLEN));
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int mlen = strlen(me.name) + bufLen + 7;
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Channel *channel;
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Client *acptr;
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Membership *us = NULL;
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Member *cm;
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int idx, flag = 1, spos;
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const char *para = parv[1], *s;
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char nuhBuffer[NICKLEN+USERLEN+HOSTLEN+3];
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char buf[BUFSIZE];
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char can_see_invisible;
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if (parc < 2 || !MyConnect(client))
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{
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sendnumeric(client, RPL_ENDOFNAMES, "*");
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return;
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}
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for (s = para; *s; s++)
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{
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if (*s == ',')
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{
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sendnumeric(client, ERR_TOOMANYTARGETS, s+1, 1, "NAMES");
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return;
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}
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}
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channel = find_channel(para);
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if (!channel || (!ShowChannel(client, channel) && !ValidatePermissionsForPath("channel:see:names:secret",client,NULL,channel,NULL)))
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{
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sendnumeric(client, RPL_ENDOFNAMES, para);
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return;
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}
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/* cache whether this user is a member of this channel or not */
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if (IsUser(client))
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us = find_membership_link(client->user->channel, channel);
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// FIXME: consider rewriting this whole thing to get rid of pointer juggling and stuff.
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if (PubChannel(channel))
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buf[0] = '=';
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else if (SecretChannel(channel))
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buf[0] = '@';
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else
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buf[0] = '*';
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idx = 1;
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buf[idx++] = ' ';
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for (s = channel->name; *s; s++)
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buf[idx++] = *s;
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buf[idx++] = ' ';
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buf[idx++] = ':';
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/* If we go through the following loop and never add anything,
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we need this to be empty, otherwise spurious things from the
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LAST /names call get stuck in there.. - lucas */
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buf[idx] = '\0';
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spos = idx; /* starting point in buffer for names! */
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can_see_invisible = ValidatePermissionsForPath("channel:see:names:invisible",client,NULL,channel,NULL);
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for (cm = channel->members; cm; cm = cm->next)
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{
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acptr = cm->client;
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if (IsInvisible(acptr) && !us && !can_see_invisible)
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continue;
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if (!user_can_see_member_fast(client, acptr, channel, cm, us ? us->member_modes : NULL))
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continue; /* invisible (eg: due to delayjoin) */
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if (!multiprefix)
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{
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/* Standard NAMES reply (single character) */
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char c = mode_to_prefix(*cm->member_modes);
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if (c)
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buf[idx++] = c;
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} else {
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/* NAMES reply with all rights included (multi-prefix / NAMESX) */
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strcpy(&buf[idx], modes_to_prefix(cm->member_modes));
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idx += strlen(&buf[idx]);
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}
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if (!uhnames) {
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s = acptr->name;
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} else {
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strlcpy(nuhBuffer,
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make_nick_user_host(acptr->name, acptr->user->username, GetHost(acptr)),
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bufLen + 1);
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s = nuhBuffer;
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}
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/* 's' is intialized above to point to either acptr->name (normal),
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* or to nuhBuffer (for UHNAMES).
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*/
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for (; *s; s++)
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buf[idx++] = *s;
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if (cm->next)
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buf[idx++] = ' ';
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buf[idx] = '\0';
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flag = 1;
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if (mlen + idx + bufLen + MEMBERMODESLEN >= BUFSIZE - 1)
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{
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sendnumeric(client, RPL_NAMREPLY, buf);
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idx = spos;
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flag = 0;
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}
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}
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if (flag)
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sendnumeric(client, RPL_NAMREPLY, buf);
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sendnumeric(client, RPL_ENDOFNAMES, para);
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}
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