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/* |
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* ircd-hybrid: an advanced, lightweight Internet Relay Chat Daemon (ircd) |
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* |
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* Copyright (c) 1997-2022 ircd-hybrid development team |
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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 2 of the License, or |
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* (at your option) 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 |
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* USA |
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*/ |
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|
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/*! \file m_topic.c |
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* \brief Includes required functions for processing the TOPIC command. |
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* \version $Id$ |
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*/ |
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|
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#include "stdinc.h" |
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#include "list.h" |
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#include "channel.h" |
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#include "channel_mode.h" |
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#include "client.h" |
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#include "conf.h" |
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#include "hash.h" |
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#include "irc_string.h" |
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#include "ircd.h" |
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#include "numeric.h" |
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#include "send.h" |
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#include "parse.h" |
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#include "modules.h" |
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#include "packet.h" |
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|
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|
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/*! \brief TOPIC command handler |
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* |
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* \param source_p Pointer to allocated Client struct from which the message |
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* originally comes from. This can be a local or remote client. |
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* \param parc Integer holding the number of supplied arguments. |
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* \param parv Argument vector where parv[0] .. parv[parc-1] are non-NULL |
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* pointers. |
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* \note Valid arguments for this command are: |
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* - parv[0] = command |
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* - parv[1] = channel name |
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* - parv[2] = topic text, if setting topic (can be an empty string) |
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*/ |
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static void |
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m_topic(struct Client *source_p, int parc, char *parv[]) |
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{ |
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struct Channel *channel = hash_find_channel(parv[1]); |
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if (channel == NULL) |
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{ |
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sendto_one_numeric(source_p, &me, ERR_NOSUCHCHANNEL, parv[1]); |
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return; |
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} |
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|
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/* Setting topic */ |
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if (parc > 2) |
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{ |
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const struct ChannelMember *member = member_find_link(source_p, channel); |
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if (member == NULL) |
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{ |
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sendto_one_numeric(source_p, &me, ERR_NOTONCHANNEL, channel->name); |
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return; |
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} |
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|
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if (HasCMode(channel, MODE_TOPICLIMIT) && member_highest_rank(member) < CHACCESS_HALFOP) |
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sendto_one_numeric(source_p, &me, ERR_CHANOPRIVSNEEDED, channel->name); |
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else |
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{ |
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char topic_info[NICKLEN + USERLEN + HOSTLEN + 3]; /* +3 for !, @, \0 */ |
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|
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snprintf(topic_info, sizeof(topic_info), "%s!%s@%s", source_p->name, |
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source_p->username, source_p->host); |
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channel_set_topic(channel, parv[2], topic_info, event_base->time.sec_real, true); |
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|
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sendto_server(source_p, 0, 0, ":%s TOPIC %s :%s", |
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source_p->id, channel->name, |
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channel->topic); |
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sendto_channel_local(NULL, channel, 0, 0, 0, ":%s!%s@%s TOPIC %s :%s", |
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source_p->name, |
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source_p->username, |
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source_p->host, |
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channel->name, channel->topic); |
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} |
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} |
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else /* Only asking for topic */ |
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{ |
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if (!SecretChannel(channel) || member_find_link(source_p, channel)) |
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{ |
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if (channel->topic[0] == '\0') |
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sendto_one_numeric(source_p, &me, RPL_NOTOPIC, channel->name); |
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else |
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{ |
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sendto_one_numeric(source_p, &me, RPL_TOPIC, |
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channel->name, channel->topic); |
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sendto_one_numeric(source_p, &me, RPL_TOPICWHOTIME, channel->name, |
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channel->topic_info, |
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channel->topic_time); |
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} |
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} |
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else |
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sendto_one_numeric(source_p, &me, ERR_NOTONCHANNEL, channel->name); |
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} |
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} |
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|
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|
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/*! \brief TOPIC command handler |
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* |
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* \param source_p Pointer to allocated Client struct from which the message |
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* originally comes from. This can be a local or remote client. |
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* \param parc Integer holding the number of supplied arguments. |
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* \param parv Argument vector where parv[0] .. parv[parc-1] are non-NULL |
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* pointers. |
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* \note Valid arguments for this command are: |
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* - parv[0] = command |
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* - parv[1] = channel name |
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* - parv[2] = topic text (can be an empty string) |
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*/ |
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static void |
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ms_topic(struct Client *source_p, int parc, char *parv[]) |
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{ |
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struct Channel *channel = hash_find_channel(parv[1]); |
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if (channel == NULL) |
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{ |
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sendto_one_numeric(source_p, &me, ERR_NOSUCHCHANNEL, parv[1]); |
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return; |
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} |
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|
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char topic_info[NICKLEN + USERLEN + HOSTLEN + 3]; /* +3 for !, @, \0 */ |
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if (IsClient(source_p)) |
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snprintf(topic_info, sizeof(topic_info), "%s!%s@%s", source_p->name, |
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source_p->username, source_p->host); |
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else if (IsHidden(source_p) || ConfigServerHide.hide_servers) |
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strlcpy(topic_info, me.name, sizeof(topic_info)); |
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else |
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strlcpy(topic_info, source_p->name, sizeof(topic_info)); |
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|
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channel_set_topic(channel, parv[2], topic_info, event_base->time.sec_real, false); |
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|
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sendto_server(source_p, 0, 0, ":%s TOPIC %s :%s", |
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source_p->id, channel->name, |
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channel->topic); |
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|
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if (IsClient(source_p)) |
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sendto_channel_local(NULL, channel, 0, 0, 0, ":%s!%s@%s TOPIC %s :%s", |
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source_p->name, |
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source_p->username, |
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source_p->host, |
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channel->name, channel->topic); |
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else |
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sendto_channel_local(NULL, channel, 0, 0, 0, ":%s TOPIC %s :%s", |
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(IsHidden(source_p) || ConfigServerHide.hide_servers) ? me.name : source_p->name, |
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channel->name, channel->topic); |
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} |
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|
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static struct Message topic_msgtab = |
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{ |
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.cmd = "TOPIC", |
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.handlers[UNREGISTERED_HANDLER] = { .handler = m_unregistered }, |
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.handlers[CLIENT_HANDLER] = { .handler = m_topic, .args_min = 2, .end_grace_period = true }, |
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.handlers[SERVER_HANDLER] = { .handler = ms_topic, .args_min = 3, .empty_last_arg = true }, |
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.handlers[ENCAP_HANDLER] = { .handler = m_ignore }, |
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.handlers[OPER_HANDLER] = { .handler = m_topic, .args_min = 2, .end_grace_period = true } |
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}; |
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|
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static void |
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module_init(void) |
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{ |
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mod_add_cmd(&topic_msgtab); |
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} |
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|
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static void |
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module_exit(void) |
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{ |
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mod_del_cmd(&topic_msgtab); |
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} |
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|
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struct module module_entry = |
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{ |
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.version = "$Revision$", |
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.modinit = module_init, |
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.modexit = module_exit, |
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}; |
