/** Set a channel topic or report an error.
* @param[in] sptr Original topic setter.
* @param[in] cptr Neighbor that sent the topic message.
* @param[in] chptr Channel to set topic on.
* @param[in] topic New topic.
* @param[in] ts Timestamp that topic was set (0 for current time).
*/
static void do_settopic(struct Client *sptr, struct Client *cptr,
struct Channel *chptr, char *topic, time_t ts)
{
struct Client *from;
int newtopic;
if (feature_bool(FEAT_HIS_BANWHO) && IsServer(sptr))
from = &his;
else
from = sptr;
/* Note if this is just a refresh of an old topic, and don't
* send it to all the clients to save bandwidth. We still send
* it to other servers as they may have split and lost the topic.
*/
newtopic=ircd_strncmp(chptr->topic,topic,TOPICLEN)!=0;
/* setting a topic */
ircd_strncpy(chptr->topic, topic, TOPICLEN);
ircd_strncpy(chptr->topic_nick, cli_name(from), NICKLEN);
chptr->topic_time = ts ? ts : TStime();
/* Fixed in 2.10.11: Don't propagate local topics */
if (!IsLocalChannel(chptr->chname))
sendcmdto_serv(sptr, CMD_TOPIC, cptr, "%H %Tu %Tu :%s", chptr,
chptr->creationtime, chptr->topic_time, chptr->topic);
if (newtopic)
sendcmdto_channel(from, CMD_TOPIC, chptr, NULL, SKIP_SERVERS,
"%H :%s", chptr, chptr->topic);
/* if this is the same topic as before we send it to the person that
* set it (so they knew it went through ok), but don't bother sending
* it to everyone else on the channel to save bandwidth
*/
else if (MyUser(sptr))
sendcmdto_one(sptr, CMD_TOPIC, sptr, "%H :%s", chptr, chptr->topic);
}
/** Handle a WALLVOICES message from a local client.
*
* \a parv has the following elements:
* \li \a parv[1] is the name of the channel to which to send
* \li \a parv[\a parc - 1] is the message to send
*
* See @ref m_functions for discussion of the arguments.
* @param[in] cptr Client that sent us the message.
* @param[in] sptr Original source of message.
* @param[in] parc Number of arguments.
* @param[in] parv Argument vector.
*/
int m_wallvoices(struct Client* cptr, struct Client* sptr, int parc, char* parv[])
{
struct Channel *chptr;
const char *ch;
assert(0 != cptr);
assert(cptr == sptr);
if (parc < 2 || EmptyString(parv[1]))
return send_reply(sptr, ERR_NORECIPIENT, "WALLVOICES");
if (parc < 3 || EmptyString(parv[parc - 1]))
return send_reply(sptr, ERR_NOTEXTTOSEND);
if (IsChannelName(parv[1]) && (chptr = FindChannel(parv[1]))) {
if (client_can_send_to_channel(sptr, chptr, 0) && !(chptr->mode.mode & MODE_NONOTICE)) {
if ((chptr->mode.mode & MODE_NOPRIVMSGS) &&
check_target_limit(sptr, chptr, chptr->chname, 0))
return 0;
#if 0
/* +cC checks */
if (chptr->mode.mode & MODE_NOCOLOUR)
for (ch=parv[parc - 1];*ch;ch++)
if (*ch==2 || *ch==3 || *ch==22 || *ch==27 || *ch==31) {
return 0;
}
if ((chptr->mode.mode & MODE_NOCTCP) && ircd_strncmp(parv[parc - 1],"\001ACTION ",8))
for (ch=parv[parc - 1];*ch;)
if (*ch++==1) {
return 0;
}
#endif
RevealDelayedJoinIfNeeded(sptr, chptr);
sendcmdto_channel(sptr, CMD_WALLVOICES, chptr, cptr,
SKIP_DEAF | SKIP_BURST | SKIP_NONVOICES,
"%H :+ %s", chptr, parv[parc - 1]);
}
else
send_reply(sptr, ERR_CANNOTSENDTOCHAN, parv[1]);
}
else
send_reply(sptr, ERR_NOSUCHCHANNEL, parv[1]);
return 0;
}
/** Handle a WALLVOICES message from a server.
*
* \a parv has the following elements:
* \li \a parv[1] is the name of the channel to which to send
* \li \a parv[\a parc - 1] is the message to send
*
* See @ref m_functions for discussion of the arguments.
* @param[in] cptr Client that sent us the message.
* @param[in] sptr Original source of message.
* @param[in] parc Number of arguments.
* @param[in] parv Argument vector.
*/
int ms_wallvoices(struct Client* cptr, struct Client* sptr, int parc, char* parv[])
{
struct Channel *chptr;
assert(0 != cptr);
assert(0 != sptr);
if (parc < 3 || !IsUser(sptr))
return 0;
if (!IsLocalChannel(parv[1]) && (chptr = FindChannel(parv[1]))) {
if (client_can_send_to_channel(sptr, chptr, 1)) {
sendcmdto_channel(sptr, CMD_WALLVOICES, chptr, cptr,
SKIP_DEAF | SKIP_BURST | SKIP_NONVOICES,
"%H :+ %s", chptr, parv[parc - 1]);
} else
send_reply(sptr, ERR_CANNOTSENDTOCHAN, parv[1]);
}
return 0;
}
/** Handle a KICK message from a local connection.
*
* \a parv has the following elements:
* \li \a parv[1] is the channel name to kick someone from
* \li \a parv[2] is the nickname of the client to kick
* \li \a parv[\a parc - 1] (optional) is the kick comment
*
* See @ref m_functions for discussion of the arguments.
* @param[in] cptr Client that sent us the message.
* @param[in] sptr Original source of message.
* @param[in] parc Number of arguments.
* @param[in] parv Argument vector.
*/
int m_kick(struct Client *cptr, struct Client *sptr, int parc, char *parv[])
{
struct Client *who;
struct Channel *chptr;
struct Membership *member = 0;
struct Membership* member2;
char *name, *comment;
if (parc < 3 || *parv[1] == '\0')
return need_more_params(sptr, "KICK");
name = parv[1];
/* simple checks */
if (!(chptr = get_channel(sptr, name, CGT_NO_CREATE)))
return send_reply(sptr, ERR_NOSUCHCHANNEL, name);
#if defined(DDB) || defined(SERVICES)
if (!(member2 = find_member_link(chptr, sptr)) || IsZombie(member2)
|| !(IsChanOwner(member2) || IsChanOp(member2)))
#else
if (!(member2 = find_member_link(chptr, sptr)) || IsZombie(member2)
|| !IsChanOp(member2))
#endif
return send_reply(sptr, ERR_CHANOPRIVSNEEDED, name);
if (!(who = find_chasing(sptr, parv[2], 0)))
return 0; /* find_chasing sends the reply for us */
/* Don't allow the channel service to be kicked */
if (IsChannelService(who))
return send_reply(sptr, ERR_ISCHANSERVICE, cli_name(who), chptr->chname);
/* Prevent kicking opers from local channels -DM- */
if (IsLocalChannel(chptr->chname) && HasPriv(who, PRIV_DEOP_LCHAN))
return send_reply(sptr, ERR_ISOPERLCHAN, cli_name(who), chptr->chname);
/* check if kicked user is actually on the channel */
if (!(member = find_member_link(chptr, who)) || IsZombie(member))
return send_reply(sptr, ERR_USERNOTINCHANNEL, cli_name(who), chptr->chname);
#if defined(UNDERNET)
/* Don't allow to kick member with a higher op-level,
* or members with the same op-level unless both are MAXOPLEVEL.
*/
if (OpLevel(member) < OpLevel(member2)
|| (OpLevel(member) == OpLevel(member2)
&& OpLevel(member) < MAXOPLEVEL))
return send_reply(sptr, ERR_NOTLOWEROPLEVEL, cli_name(who), chptr->chname,
OpLevel(member2), OpLevel(member), "kick",
OpLevel(member) == OpLevel(member2) ? "the same" : "a higher");
#elif defined(DDB) || defined(SERVICES)
/* Don't allow to kick channel owner */
if (IsChanOwner(member) && !IsAnOper(sptr))
return send_reply(sptr, ERR_ISCHANSERVICE, cli_name(who), chptr->chname);
#endif
/* We rely on ircd_snprintf to truncate the comment */
comment = EmptyString(parv[parc - 1]) ? parv[0] : parv[parc - 1];
if (!IsLocalChannel(name))
sendcmdto_serv(sptr, CMD_KICK, cptr, "%H %C :%s", chptr, who, comment);
if (IsDelayedJoin(member)) {
/* If it's a delayed join, only send the KICK to the person doing
* the kicking and the victim */
if (MyUser(who))
sendcmdto_one(sptr, CMD_KICK, who, "%H %C :%s", chptr, who, comment);
sendcmdto_one(who, CMD_JOIN, sptr, "%H", chptr);
sendcmdto_one(sptr, CMD_KICK, sptr, "%H %C :%s", chptr, who, comment);
} else
sendcmdto_channel(sptr, CMD_KICK, chptr, NULL, SKIP_SERVERS,
"%H %C :%s", chptr, who, comment);
make_zombie(member, who, cptr, sptr, chptr);
return 0;
}
/** Handle a KICK message from a server connection.
*
* \a parv has the following elements:
* \li \a parv[1] is the channel name to kick someone from
* \li \a parv[2] is the numnick of the client to kick
* \li \a parv[\a parc - 1] is the kick comment
*
* See @ref m_functions for discussion of the arguments.
* @param[in] cptr Client that sent us the message.
* @param[in] sptr Original source of message.
* @param[in] parc Number of arguments.
* @param[in] parv Argument vector.
*/
int ms_kick(struct Client *cptr, struct Client *sptr, int parc, char *parv[])
{
struct Client *who;
struct Channel *chptr;
struct Membership *member = 0, *sptr_link = 0;
char *name, *comment;
if (parc < 3 || *parv[1] == '\0')
return need_more_params(sptr, "KICK");
name = parv[1];
comment = parv[parc - 1];
/* figure out who gets kicked from what */
if (IsLocalChannel(name) ||
!(chptr = get_channel(sptr, name, CGT_NO_CREATE)) ||
!(who = findNUser(parv[2])))
return 0;
/* We go ahead and pass on the KICK for users not on the channel */
member = find_member_link(chptr, who);
if (member && IsZombie(member))
{
/* We might get a KICK from a zombie's own server because the user
* net-rode during a burst (which always generates a KICK) *and*
* was kicked via another server. In that case, we must remove
* the user from the channel.
*/
if (sptr == cli_user(who)->server)
{
remove_user_from_channel(who, chptr);
}
/* Otherwise, we treat zombies like they are not channel members. */
member = 0;
}
/* Send HACK notice, but not for servers in BURST */
/* 2002-10-17: Don't send HACK if the users local server is kicking them */
if (IsServer(sptr) &&
!IsBurstOrBurstAck(sptr) &&
sptr!=cli_user(who)->server)
sendto_opmask(0, SNO_HACK4, "HACK: %C KICK %H %C %s", sptr, chptr,
who, comment);
/* Unless someone accepted it downstream (or the user isn't on the channel
* here), if kicker is not on channel, or if kicker is not a channel
* operator, bounce the kick
*/
#if defined(DDB) || defined(SERVICES)
if (!IsServer(sptr) && member && cli_from(who) != cptr && !IsService(cli_user(sptr)->server) &&
(!(sptr_link = find_member_link(chptr, sptr)) || !(IsChanOwner(sptr_link) || IsChanOp(sptr_link)))) {
#else
if (!IsServer(sptr) && member && cli_from(who) != cptr &&
(!(sptr_link = find_member_link(chptr, sptr)) || !IsChanOp(sptr_link))) {
#endif
sendto_opmask(0, SNO_HACK2, "HACK: %C KICK %H %C %s", sptr, chptr,
who, comment);
sendcmdto_one(who, CMD_JOIN, cptr, "%H", chptr);
/* Reop/revoice member */
if (IsChanOp(member) || HasVoice(member)) {
struct ModeBuf mbuf;
modebuf_init(&mbuf, sptr, cptr, chptr,
(MODEBUF_DEST_SERVER | /* Send mode to a server */
MODEBUF_DEST_DEOP | /* Deop the source */
MODEBUF_DEST_BOUNCE)); /* And bounce the MODE */
#if defined(UNDERNET)
if (IsChanOp(member))
modebuf_mode_client(&mbuf, MODE_DEL | MODE_CHANOP, who, OpLevel(member));
if (HasVoice(member))
modebuf_mode_client(&mbuf, MODE_DEL | MODE_VOICE, who, MAXOPLEVEL + 1);
#else
if (IsChanOp(member))
modebuf_mode_client(&mbuf, MODE_DEL | MODE_CHANOP, who, 0);
if (HasVoice(member))
modebuf_mode_client(&mbuf, MODE_DEL | MODE_VOICE, who, 0);
#endif
modebuf_flush(&mbuf);
}
} else {
/* Propagate kick... */
sendcmdto_serv(sptr, CMD_KICK, cptr, "%H %C :%s", chptr, who, comment);
if (member) { /* and tell the channel about it */
if (IsDelayedJoin(member)) {
if (MyUser(who))
sendcmdto_one(IsServer(sptr) ? &his : sptr, CMD_KICK,
who, "%H %C :%s", chptr, who, comment);
} else {
sendcmdto_channel(IsServer(sptr) ? &his : sptr, CMD_KICK,
chptr, NULL, SKIP_SERVERS, "%H %C :%s",
chptr, who, comment);
}
make_zombie(member, who, cptr, sptr, chptr);
}
}
return 0;
}
