/*
* ms_tmode()
*
* inputs - parv[0] = UID
* parv[1] = TS
* parv[2] = channel name
* parv[3] = modestring
*/
static void
ms_tmode(struct Client *client_p, struct Client *source_p, int parc, char *parv[])
{
struct Channel *chptr = NULL;
struct Membership *member = NULL;
if ((chptr = hash_find_channel(parv[2])) == NULL)
{
sendto_one(source_p, form_str(ERR_NOSUCHCHANNEL),
ID_or_name(&me, client_p), ID_or_name(source_p, client_p), parv[2]);
return;
}
if (atol(parv[1]) > chptr->channelts)
return;
if (IsServer(source_p))
set_channel_mode(client_p, source_p, chptr, NULL, parc - 3, parv + 3, chptr->chname);
else
{
member = find_channel_link(source_p, chptr);
/* XXX are we sure we just want to bail here? */
if (has_member_flags(member, CHFL_DEOPPED))
return;
set_channel_mode(client_p, source_p, chptr, member, parc - 3, parv + 3, chptr->chname);
}
}
/* part_one_client()
*
* inputs - pointer to server
* - pointer to source client to remove
* - char pointer of name of channel to remove from
* output - none
* side effects - remove ONE client given the channel name
*/
static void
part_one_client(struct Client *client_p, struct Client *source_p,
const char *name, char *reason)
{
struct Channel *chptr = NULL;
struct Membership *ms = NULL;
if ((chptr = hash_find_channel(name)) == NULL)
{
sendto_one(source_p, form_str(ERR_NOSUCHCHANNEL),
me.name, source_p->name, name);
return;
}
if ((ms = find_channel_link(source_p, chptr)) == NULL)
{
sendto_one(source_p, form_str(ERR_NOTONCHANNEL),
me.name, source_p->name, name);
return;
}
if (MyConnect(source_p) && !IsOper(source_p))
check_spambot_warning(source_p, NULL);
/*
* Remove user from the old channel (if any)
* only allow /part reasons in -m chans
*/
if(msg_has_colors(reason) && (chptr->mode.mode & MODE_NOCOLOR))
reason = strip_color(reason);
if (reason[0] && (!MyConnect(source_p) ||
((can_send(chptr, source_p, ms) &&
(source_p->firsttime + ConfigFileEntry.anti_spam_exit_message_time)
< CurrentTime))))
{
sendto_server(client_p, chptr, CAP_TS6, NOCAPS,
":%s PART %s :%s", ID(source_p), chptr->chname,
reason);
sendto_server(client_p, chptr, NOCAPS, CAP_TS6,
":%s PART %s :%s", source_p->name, chptr->chname,
reason);
sendto_channel_local(ALL_MEMBERS, NO, chptr, ":%s!%s@%s PART %s :%s",
source_p->name, source_p->username,
source_p->host, chptr->chname, reason);
}
else
{
sendto_server(client_p, chptr, CAP_TS6, NOCAPS,
":%s PART %s", ID(source_p), chptr->chname);
sendto_server(client_p, chptr, NOCAPS, CAP_TS6,
":%s PART %s", source_p->name, chptr->chname);
sendto_channel_local(ALL_MEMBERS, NO, chptr, ":%s!%s@%s PART %s",
source_p->name, source_p->username,
source_p->host, chptr->chname);
}
remove_user_from_channel(ms);
}
/*! \brief MODE command handler
*
* \param source_p Pointer to allocated Client struct from which the message
* originally comes from. This can be a local or remote client.
* \param parc Integer holding the number of supplied arguments.
* \param parv Argument vector where parv[0] .. parv[parc-1] are non-NULL
* pointers.
* \note Valid arguments for this command are:
* - parv[0] = command
* - parv[1] = channel or nick name
* - parv[2] = modes to be added or removed
*/
static int
m_mode(struct Client *source_p, int parc, char *parv[])
{
struct Channel *chptr = NULL;
if (EmptyString(parv[1]))
{
sendto_one_numeric(source_p, &me, ERR_NEEDMOREPARAMS, "MODE");
return 0;
}
/* Now, try to find the channel in question */
if (!IsChanPrefix(*parv[1]))
{
/* If here, it has to be a non-channel name */
set_user_mode(source_p, parc, parv);
return 0;
}
if ((chptr = hash_find_channel(parv[1])) == NULL)
{
sendto_one_numeric(source_p, &me, ERR_NOSUCHCHANNEL, parv[1]);
return 0;
}
/* Now known the channel exists */
if (parc < 3)
{
char modebuf[MODEBUFLEN] = "";
char parabuf[MODEBUFLEN] = "";
channel_modes(chptr, source_p, modebuf, parabuf);
sendto_one_numeric(source_p, &me, RPL_CHANNELMODEIS, chptr->name, modebuf, parabuf);
sendto_one_numeric(source_p, &me, RPL_CREATIONTIME, chptr->name, chptr->creationtime);
return 0;
}
/*
* bounce all modes from people we deop on sjoin
* servers have always gotten away with murder,
* including telnet servers *g* - Dianora
*/
if (IsServer(source_p) || HasFlag(source_p, FLAGS_SERVICE))
set_channel_mode(source_p, chptr, NULL, parc - 2, parv + 2);
else
{
struct Membership *member = find_channel_link(source_p, chptr);
/* Finish the flood grace period... */
if (MyClient(source_p) && !IsFloodDone(source_p))
if (!((parc == 3) && (parv[2][0] == 'b') && (parv[2][1] == '\0')))
flood_endgrace(source_p);
set_channel_mode(source_p, chptr, member, parc - 2, parv + 2);
}
return 0;
}
/*
* m_mode - MODE command handler
* parv[0] - sender
* parv[1] - channel
*/
static void
m_mode(struct Client *client_p, struct Client *source_p,
int parc, char *parv[])
{
struct Channel *chptr = NULL;
struct Membership *member;
static char modebuf[MODEBUFLEN];
static char parabuf[MODEBUFLEN];
if (parv[1][0] == '\0')
{
sendto_one(source_p, form_str(ERR_NEEDMOREPARAMS),
me.name, source_p->name, "MODE");
return;
}
/* Now, try to find the channel in question */
if (!IsChanPrefix(parv[1][0]))
{
/* if here, it has to be a non-channel name */
set_user_mode(client_p, source_p, parc, parv);
return;
}
if (!check_channel_name(parv[1]))
{
sendto_one(source_p, form_str(ERR_BADCHANNAME),
me.name, source_p->name, parv[1]);
return;
}
chptr = hash_find_channel(parv[1]);
if (chptr == NULL)
{
/* if chptr isn't found locally, it =could= exist
* on the uplink. So ask.
*/
/* LazyLinks */
/* only send a mode upstream if a local client sent this request
* -davidt
*/
if (MyClient(source_p) && !ServerInfo.hub && uplink &&
IsCapable(uplink, CAP_LL))
{
sendto_one(uplink, ":%s MODE %s %s",
ID_or_name(source_p, uplink),
parv[1], (parv[2] ? parv[2] : ""));
return;
}
else
{
sendto_one(source_p, form_str(ERR_NOSUCHCHANNEL),
me.name, parv[0], parv[1]);
return;
}
}
/* Now known the channel exists */
if (parc < 3)
{
channel_modes(chptr, source_p, modebuf, parabuf);
sendto_one(source_p, form_str(RPL_CHANNELMODEIS),
me.name, parv[0], parv[1], modebuf, parabuf);
sendto_one(source_p, form_str(RPL_CREATIONTIME),
me.name, parv[0], parv[1], chptr->channelts);
}
/* bounce all modes from people we deop on sjoin
* servers have always gotten away with murder,
* including telnet servers *g* - Dianora
*
* XXX Is it worth the bother to make an ms_mode() ? - Dianora
*/
else if (IsServer(source_p))
{
set_channel_mode(client_p, source_p, chptr, NULL, parc - 2, parv + 2,
chptr->chname);
}
else
{
member = find_channel_link(source_p, chptr);
if (!has_member_flags(member, CHFL_DEOPPED))
{
/* Finish the flood grace period... */
if (MyClient(source_p) && !IsFloodDone(source_p))
{
if (!((parc == 3) && (parv[2][0] == 'b') && (parv[2][1] == '\0')))
flood_endgrace(source_p);
}
set_channel_mode(client_p, source_p, chptr, member, parc - 2, parv + 2,
chptr->chname);
}
}
}
/* build_target_list()
*
* inputs - pointer to given source (oper/client etc.)
* - pointer to list of nicks/channels
* - pointer to table to place results
* - pointer to text (only used if source_p is an oper)
* output - number of valid entities
* side effects - target_table is modified to contain a list of
* pointers to channels or clients
* if source client is an oper
* all the classic old bizzare oper privmsg tricks
* are parsed and sent as is, if prefixed with $
* to disambiguate.
*
*/
static int
build_target_list(int p_or_n, const char *command, struct Client *source_p,
char *nicks_channels, const char *text)
{
int type = 0;
char *p = NULL, *nick = NULL;
char *target_list = NULL;
struct Channel *chptr = NULL;
struct Client *target_p = NULL;
target_list = nicks_channels;
ntargets = 0;
for (nick = strtoken(&p, target_list, ","); nick;
nick = strtoken(&p, NULL, ","))
{
const char *with_prefix = NULL;
/*
* Channels are privmsg'd a lot more than other clients, moved up
* here plain old channel msg?
*/
if (IsChanPrefix(*nick))
{
if ((chptr = hash_find_channel(nick)))
{
if (!duplicate_ptr(chptr))
{
if (ntargets >= ConfigGeneral.max_targets)
{
sendto_one_numeric(source_p, &me, ERR_TOOMANYTARGETS,
nick, ConfigGeneral.max_targets);
return 1;
}
targets[ntargets].ptr = chptr;
targets[ntargets++].type = ENTITY_CHANNEL;
}
}
else
{
if (p_or_n != NOTICE)
sendto_one_numeric(source_p, &me, ERR_NOSUCHNICK, nick);
}
continue;
}
/* Look for a PRIVMSG/NOTICE to another client */
if ((target_p = find_person(source_p, nick)))
{
if (!duplicate_ptr(target_p))
{
if (ntargets >= ConfigGeneral.max_targets)
{
sendto_one_numeric(source_p, &me, ERR_TOOMANYTARGETS,
nick, ConfigGeneral.max_targets);
return 1;
}
targets[ntargets].ptr = target_p;
targets[ntargets].type = ENTITY_CLIENT;
targets[ntargets++].flags = 0;
}
continue;
}
/* @#channel or +#channel message ? */
type = 0;
with_prefix = nick;
/* Allow %+@ if someone wants to do that */
while (1)
{
if (*nick == '@')
type |= CHFL_CHANOP;
else if (*nick == '%')
type |= CHFL_CHANOP | CHFL_HALFOP;
else if (*nick == '+')
type |= CHFL_CHANOP | CHFL_HALFOP | CHFL_VOICE;
else
break;
++nick;
}
if (type)
{
if (EmptyString(nick)) /* If it's a '\0' dump it, there is no recipient */
{
sendto_one_numeric(source_p, &me, ERR_NORECIPIENT, command);
continue;
}
/*
* At this point, nick+1 should be a channel name i.e. #foo or &foo
* if the channel is found, fine, if not report an error
*/
if ((chptr = hash_find_channel(nick)))
{
if (IsClient(source_p) && !HasFlag(source_p, FLAGS_SERVICE))
{
if (!has_member_flags(find_channel_link(source_p, chptr),
CHFL_CHANOP|CHFL_HALFOP|CHFL_VOICE))
{
sendto_one_numeric(source_p, &me, ERR_CHANOPRIVSNEEDED, with_prefix);
return -1;
}
}
if (!duplicate_ptr(chptr))
{
if (ntargets >= ConfigGeneral.max_targets)
{
sendto_one_numeric(source_p, &me, ERR_TOOMANYTARGETS,
nick, ConfigGeneral.max_targets);
return 1;
}
targets[ntargets].ptr = chptr;
targets[ntargets].type = ENTITY_CHANOPS_ON_CHANNEL;
targets[ntargets++].flags = type;
}
}
else
{
if (p_or_n != NOTICE)
sendto_one_numeric(source_p, &me, ERR_NOSUCHNICK, nick);
}
continue;
}
if (*nick == '$' || strchr(nick, '@'))
handle_special(p_or_n, command, source_p, nick, text);
else
{
if (p_or_n != NOTICE)
{
if (!IsDigit(*nick) || MyClient(source_p))
sendto_one_numeric(source_p, &me, ERR_NOSUCHNICK, nick);
}
}
}
return 1;
}
/*
** m_invite
** parv[0] - sender prefix
** parv[1] - user to invite
** parv[2] - channel name
** parv[3] - invite timestamp
*/
static void
m_invite(struct Client *client_p, struct Client *source_p,
int parc, char *parv[])
{
struct Client *target_p = NULL;
struct Channel *chptr = NULL;
struct Membership *ms = NULL;
if (IsServer(source_p))
return;
if (EmptyString(parv[2]))
{
sendto_one(source_p, form_str(ERR_NEEDMOREPARAMS),
me.name, source_p->name, "INVITE");
return;
}
if (MyClient(source_p) && !IsFloodDone(source_p))
flood_endgrace(source_p);
if ((target_p = find_person(client_p, parv[1])) == NULL)
{
sendto_one(source_p, form_str(ERR_NOSUCHNICK),
me.name, source_p->name, parv[1]);
return;
}
/* Do not send local channel invites to users if they are not on the
* same server as the person sending the INVITE message.
*/
/* Possibly should be an error sent to source_p */
/* done .. there should be no problem because MyConnect(source_p) should
* always be true if parse() and such is working correctly --is
*/
if (!MyConnect(target_p) && (*parv[2] == '&'))
{
if (ConfigServerHide.hide_servers == 0)
sendto_one(source_p, form_str(ERR_USERNOTONSERV),
me.name, source_p->name, target_p->name);
return;
}
if ((chptr = hash_find_channel(parv[2])) == NULL)
{
sendto_one(source_p, form_str(ERR_NOSUCHCHANNEL),
me.name, source_p->name, parv[2]);
return;
}
if (MyConnect(source_p) && (ms = find_channel_link(source_p, chptr)) == NULL)
{
sendto_one(source_p, form_str(ERR_NOTONCHANNEL),
me.name, source_p->name, chptr->chname);
return;
}
if (MyConnect(source_p) && !has_member_flags(ms, CHFL_CHANOP|CHFL_HALFOP))
{
sendto_one(source_p, form_str(ERR_CHANOPRIVSNEEDED),
me.name, source_p->name, chptr->chname);
return;
}
if ((chptr->mode.mode & MODE_OPERONLY))
{
if (MyConnect(source_p) && !IsOper(source_p))
{
sendto_one(source_p, form_str(ERR_CHANOPRIVSNEEDED),
me.name, source_p->name, chptr->chname);
return;
}
}
if (IsMember(target_p, chptr))
{
sendto_one(source_p, form_str(ERR_USERONCHANNEL),
me.name, source_p->name, target_p->name, chptr->chname);
return;
}
if (MyConnect(source_p))
{
sendto_one(source_p, form_str(RPL_INVITING), me.name,
source_p->name, target_p->name, chptr->chname);
if (target_p->away)
sendto_one(source_p, form_str(RPL_AWAY),
me.name, source_p->name, target_p->name,
target_p->away);
}
else if (parc > 3 && IsDigit(*parv[3]))
if (atoi(parv[3]) > chptr->channelts)
return;
if (MyConnect(target_p))
{
sendto_one(target_p, ":%s!%s@%s INVITE %s :%s",
source_p->name, source_p->username,
source_p->host,
target_p->name, chptr->chname);
if (chptr->mode.mode & MODE_INVITEONLY)
{
sendto_channel_local(CHFL_CHANOP|CHFL_HALFOP, 0, chptr,
":%s NOTICE %s :%s is inviting %s to %s.",
me.name, chptr->chname, source_p->name,
target_p->name, chptr->chname);
sendto_channel_remote(source_p, client_p, CHFL_CHANOP|CHFL_HALFOP,
NOCAPS, NOCAPS, chptr,
":%s NOTICE %s :%s is inviting %s to %s.",
source_p->name, chptr->chname, source_p->name,
target_p->name, chptr->chname);
/* Add the invite if channel is +i */
add_invite(chptr, target_p);
}
}
else if (target_p->from != client_p)
sendto_one(target_p, ":%s INVITE %s %s %lu",
ID_or_name(source_p, target_p->from),
ID_or_name(target_p, target_p->from),
chptr->chname, (unsigned long)chptr->channelts);
}
/* m_topic()
* parv[0] = sender prefix
* parv[1] = channel name
* parv[2] = new topic, if setting topic
*/
static void
m_topic(struct Client *client_p, struct Client *source_p,
int parc, char *parv[])
{
struct Channel *chptr = NULL;
char *p;
struct Membership *ms;
const char *from, *to;
if (!MyClient(source_p) && IsCapable(source_p->from, CAP_TS6) && HasID(source_p))
{
from = me.id;
to = source_p->id;
}
else
{
from = me.name;
to = source_p->name;
}
if ((p = strchr(parv[1], ',')) != NULL)
*p = '\0';
if (EmptyString(parv[1]))
{
sendto_one(source_p, form_str(ERR_NEEDMOREPARAMS),
from, to, "TOPIC");
return;
}
if (MyClient(source_p) && !IsFloodDone(source_p))
flood_endgrace(source_p);
if (IsChanPrefix(*parv[1]))
{
if ((chptr = hash_find_channel(parv[1])) == NULL)
{
sendto_one(source_p, form_str(ERR_NOSUCHCHANNEL),
from, to, parv[1]);
return;
}
/* setting topic */
if (parc > 2)
{
if ((ms = find_channel_link(source_p, chptr)) == NULL && !IsService(source_p))
{
sendto_one(source_p, form_str(ERR_NOTONCHANNEL), me.name,
source_p->name, parv[1]);
return;
}
if ((chptr->mode.mode & MODE_TOPICLIMIT) == 0 ||
has_member_flags(ms, CHFL_CHANOP|CHFL_HALFOP) || IsGod(source_p) ||
IsService(source_p))
{
char topic_info[USERHOST_REPLYLEN];
if(!has_member_flags(ms, CHFL_CHANOP|CHFL_HALFOP) &&
IsGod(source_p) && MyClient(source_p) &&
(chptr->mode.mode & MODE_TOPICLIMIT) != 0)
{
char tmp[IRCD_BUFSIZE];
ircsprintf(tmp, "%s is using God mode: TOPIC %s %s", source_p->name,
chptr->chname, parv[2]);
sendto_gnotice_flags(UMODE_SERVNOTICE, L_ALL, me.name, &me, NULL,
tmp);
oftc_log(tmp);
}
ircsprintf(topic_info, "%s!%s@%s",
source_p->name, source_p->username, source_p->host);
set_channel_topic(chptr, parv[2], topic_info, CurrentTime);
sendto_server(client_p, chptr, CAP_TS6, NOCAPS,
":%s TOPIC %s :%s",
ID(source_p), chptr->chname,
chptr->topic == NULL ? "" : chptr->topic);
sendto_server(client_p, chptr, NOCAPS, CAP_TS6,
":%s TOPIC %s :%s",
source_p->name, chptr->chname,
chptr->topic == NULL ? "" : chptr->topic);
sendto_channel_local(ALL_MEMBERS, NO,
chptr, ":%s!%s@%s TOPIC %s :%s",
source_p->name,
source_p->username,
source_p->host,
chptr->chname, chptr->topic == NULL ?
"" : chptr->topic);
}
else
sendto_one(source_p, form_str(ERR_CHANOPRIVSNEEDED),
from, to, chptr->chname);
}
else /* only asking for topic */
{
if (!SecretChannel(chptr) || IsMember(source_p, chptr))
{
if (chptr->topic == NULL)
sendto_one(source_p, form_str(RPL_NOTOPIC),
from, to, chptr->chname);
else
{
sendto_one(source_p, form_str(RPL_TOPIC),
from, to,
chptr->chname, chptr->topic);
sendto_one(source_p, form_str(RPL_TOPICWHOTIME),
from, to, chptr->chname,
chptr->topic_info,
chptr->topic_time);
}
}
else
{
sendto_one(source_p, form_str(ERR_NOTONCHANNEL),
from, to, chptr->chname);
return;
}
}
}
else
{
sendto_one(source_p, form_str(ERR_NOSUCHCHANNEL),
from, to, parv[1]);
}
}
/* build_target_list()
*
* inputs - pointer to given client_p (server)
* - pointer to given source (oper/client etc.)
* - pointer to list of nicks/channels
* - pointer to table to place results
* - pointer to text (only used if source_p is an oper)
* output - number of valid entities
* side effects - target_table is modified to contain a list of
* pointers to channels or clients
* if source client is an oper
* all the classic old bizzare oper privmsg tricks
* are parsed and sent as is, if prefixed with $
* to disambiguate.
*
*/
static int
build_target_list(int p_or_n, const char *command, struct Client *client_p,
struct Client *source_p, char *nicks_channels, char *text)
{
int type;
char *p = NULL, *nick, *target_list, ncbuf[IRCD_BUFSIZE];
struct Channel *chptr = NULL;
struct Client *target_p = NULL;
/* Sigh, we can't mutilate parv[1] incase we need it to send to a hub */
if(!ServerInfo.hub && (uplink != NULL) && IsCapable(uplink, CAP_LL))
{
strlcpy(ncbuf, nicks_channels, sizeof(ncbuf));
target_list = ncbuf;
}
else
target_list = nicks_channels; /* skip strcpy for non-lazyleafs */
ntargets = 0;
for(nick = strtoken(&p, target_list, ","); nick; nick = strtoken(&p, NULL, ","))
{
char *with_prefix;
/*
* channels are privmsg'd a lot more than other clients, moved up
* here plain old channel msg?
*/
if(IsChanPrefix(*nick))
{
/* ignore send of local channel to a server (should not happen) */
if(*nick == '&' && IsServer(client_p))
continue;
if((chptr = hash_find_channel(nick)) != NULL)
{
if(!duplicate_ptr(chptr))
{
if(ntargets >= ConfigFileEntry.max_targets)
{
sendto_one(source_p, form_str(ERR_TOOMANYTARGETS),
ID_or_name(&me, client_p),
ID_or_name(source_p, client_p), nick,
ConfigFileEntry.max_targets);
return (1);
}
targets[ntargets].ptr = (void *) chptr;
targets[ntargets++].type = ENTITY_CHANNEL;
}
}
else
{
if(!ServerInfo.hub && (uplink != NULL) && IsCapable(uplink, CAP_LL))
return -1;
else if(p_or_n != NOTICE)
sendto_one(source_p, form_str(ERR_NOSUCHNICK),
ID_or_name(&me, client_p),
ID_or_name(source_p, client_p), nick);
}
continue;
}
/* look for a privmsg to another client */
if((target_p = find_person(client_p, nick)) != NULL)
{
if(!duplicate_ptr(target_p))
{
if(ntargets >= ConfigFileEntry.max_targets)
{
sendto_one(source_p, form_str(ERR_TOOMANYTARGETS),
ID_or_name(&me, client_p),
ID_or_name(source_p, client_p), nick,
ConfigFileEntry.max_targets);
return (1);
}
targets[ntargets].ptr = (void *) target_p;
targets[ntargets].type = ENTITY_CLIENT;
targets[ntargets++].flags = 0;
}
continue;
}
/* @#channel or +#channel message ? */
type = 0;
with_prefix = nick;
/* allow ~&%+@ if someone wants to do that */
for(;;)
{
#ifdef CHANAQ
if(*nick == '~')
type |= CHFL_OWNER;
else if(*nick == '&')
type |= CHFL_OWNER | CHFL_PROTECTED;
else
#endif
if(*nick == '@')
type |= CHFL_OWNER | CHFL_PROTECTED | CHFL_CHANOP;
#ifdef HALFOPS
else if(*nick == '%')
type |= CHFL_OWNER | CHFL_PROTECTED | CHFL_CHANOP | CHFL_HALFOP;
#endif
else if(*nick == '+')
type |= CHFL_OWNER | CHFL_PROTECTED | CHFL_CHANOP | CHFL_HALFOP |
CHFL_VOICE;
else
break;
nick++;
}
if(type != 0)
{
/* suggested by Mortiis */
if(*nick == '\0') /* if its a '\0' dump it, there is no recipient */
{
sendto_one(source_p, form_str(ERR_NORECIPIENT),
ID_or_name(&me, client_p),
ID_or_name(source_p, client_p), command);
continue;
}
/* At this point, nick+1 should be a channel name i.e. #foo or &foo
* if the channel is found, fine, if not report an error
*/
if((chptr = hash_find_channel(nick)) != NULL)
{
if(!has_member_flags(find_channel_link(source_p, chptr),
CHFL_OWNER | CHFL_PROTECTED | CHFL_CHANOP |
CHFL_HALFOP | CHFL_VOICE))
{
sendto_one(source_p, form_str(ERR_CHANOPRIVSNEEDED),
ID_or_name(&me, client_p),
ID_or_name(source_p, client_p), with_prefix);
return (-1);
}
if(!duplicate_ptr(chptr))
{
if(ntargets >= ConfigFileEntry.max_targets)
{
sendto_one(source_p, form_str(ERR_TOOMANYTARGETS),
ID_or_name(&me, client_p),
ID_or_name(source_p, client_p), nick,
ConfigFileEntry.max_targets);
return (1);
}
targets[ntargets].ptr = (void *) chptr;
targets[ntargets].type = ENTITY_CHANOPS_ON_CHANNEL;
targets[ntargets++].flags = type;
}
}
else
{
if(!ServerInfo.hub && (uplink != NULL) && IsCapable(uplink, CAP_LL))
return -1;
else if(p_or_n != NOTICE)
sendto_one(source_p, form_str(ERR_NOSUCHNICK),
ID_or_name(&me, client_p),
ID_or_name(source_p, client_p), nick);
}
continue;
}
if((*nick == '$') || strchr(nick, '@') != NULL)
{
handle_special(p_or_n, command, client_p, source_p, nick, text);
}
else
{
if(!ServerInfo.hub && (uplink != NULL) && IsCapable(uplink, CAP_LL))
return -1;
else if(p_or_n != NOTICE)
{
if(!IsDigit(*nick) || MyClient(source_p))
sendto_one(source_p, form_str(ERR_NOSUCHNICK),
ID_or_name(&me, client_p),
ID_or_name(source_p, client_p), nick);
}
}
/* continue; */
}
return (1);
}
/*! \brief TOPIC command handler
*
* \param source_p Pointer to allocated Client struct from which the message
* originally comes from. This can be a local or remote client.
* \param parc Integer holding the number of supplied arguments.
* \param parv Argument vector where parv[0] .. parv[parc-1] are non-NULL
* pointers.
* \note Valid arguments for this command are:
* - parv[0] = command
* - parv[1] = channel name
* - parv[2] = topic text, if setting topic
*/
static int
m_topic(struct Client *source_p, int parc, char *parv[])
{
struct Channel *chptr = NULL;
if (EmptyString(parv[1]))
{
sendto_one_numeric(source_p, &me, ERR_NEEDMOREPARAMS, "TOPIC");
return 0;
}
if (!IsFloodDone(source_p))
flood_endgrace(source_p);
if ((chptr = hash_find_channel(parv[1])) == NULL)
{
sendto_one_numeric(source_p, &me, ERR_NOSUCHCHANNEL, parv[1]);
return 0;
}
/* setting topic */
if (parc > 2)
{
const struct Membership *member = NULL;
if ((member = find_channel_link(source_p, chptr)) == NULL)
{
sendto_one_numeric(source_p, &me, ERR_NOTONCHANNEL, chptr->name);
return 0;
}
if (!(chptr->mode.mode & MODE_TOPICLIMIT) ||
has_member_flags(member, CHFL_CHANOP|CHFL_HALFOP))
{
char topic_info[USERHOST_REPLYLEN];
snprintf(topic_info, sizeof(topic_info), "%s!%s@%s", source_p->name,
source_p->username, source_p->host);
channel_set_topic(chptr, parv[2], topic_info, CurrentTime, 1);
sendto_server(source_p, 0, 0, ":%s TOPIC %s :%s",
source_p->id, chptr->name,
chptr->topic);
sendto_channel_local(0, chptr, ":%s!%s@%s TOPIC %s :%s",
source_p->name,
source_p->username,
source_p->host,
chptr->name, chptr->topic);
}
else
sendto_one_numeric(source_p, &me, ERR_CHANOPRIVSNEEDED, chptr->name);
}
else /* only asking for topic */
{
if (!SecretChannel(chptr) || IsMember(source_p, chptr))
{
if (chptr->topic[0] == '\0')
sendto_one_numeric(source_p, &me, RPL_NOTOPIC, chptr->name);
else
{
sendto_one_numeric(source_p, &me, RPL_TOPIC,
chptr->name, chptr->topic);
sendto_one_numeric(source_p, &me, RPL_TOPICWHOTIME, chptr->name,
chptr->topic_info,
chptr->topic_time);
}
}
else
sendto_one_numeric(source_p, &me, ERR_NOTONCHANNEL, chptr->name);
}
return 0;
}
/* m_kick()
* parv[0] = sender prefix
* parv[1] = channel
* parv[2] = client to kick
* parv[3] = kick comment
*/
static void
m_kick(struct Client *client_p, struct Client *source_p,
int parc, char *parv[])
{
struct Client *who;
struct Channel *chptr;
int chasing = 0;
int gmode_used = 0;
char *comment;
char *name;
char *p = NULL;
char *user;
const char *from, *to;
struct Membership *ms = NULL;
struct Membership *ms_target;
if (!MyConnect(source_p) && IsCapable(source_p->from, CAP_TS6) && HasID(source_p))
{
from = me.id;
to = source_p->id;
}
else
{
from = me.name;
to = source_p->name;
}
if (*parv[2] == '\0')
{
sendto_one(source_p, form_str(ERR_NEEDMOREPARAMS),
from, to, "KICK");
return;
}
if (MyClient(source_p) && !IsFloodDone(source_p))
flood_endgrace(source_p);
comment = (EmptyString(parv[3])) ? parv[2] : parv[3];
if (strlen(comment) > (size_t)KICKLEN)
comment[KICKLEN] = '\0';
name = parv[1];
while (*name == ',')
name++;
if ((p = strchr(name,',')) != NULL)
*p = '\0';
if (*name == '\0')
return;
if ((chptr = hash_find_channel(name)) == NULL)
{
sendto_one(source_p, form_str(ERR_NOSUCHCHANNEL),
from, to, name);
return;
}
if (!IsServer(source_p))
{
if ((ms = find_channel_link(source_p, chptr)) == NULL)
{
if (MyConnect(source_p))
{
sendto_one(source_p, form_str(ERR_NOTONCHANNEL),
me.name, source_p->name, name);
return;
}
}
if(chptr->mode.mode & MODE_NOCOLOR && msg_has_colors(comment))
comment = strip_color(comment);
if (!has_member_flags(ms, CHFL_CHANOP|CHFL_HALFOP))
{
/* was a user, not a server, and user isn't seen as a chanop here */
if (IsGod(source_p) && MyConnect(source_p))
gmode_used = TRUE;
else if (MyConnect(source_p))
{
/* user on _my_ server, with no chanops.. so go away */
sendto_one(source_p, form_str(ERR_CHANOPRIVSNEEDED),
me.name, source_p->name, name);
return;
}
if (chptr->channelts == 0 && !IsGod(source_p))
{
/* If its a TS 0 channel, do it the old way */
sendto_one(source_p, form_str(ERR_CHANOPRIVSNEEDED),
me.name, source_p->name, name);
return;
}
/* Its a user doing a kick, but is not showing as chanop locally
* its also not a user ON -my- server, and the channel has a TS.
* There are two cases we can get to this point then...
*
* 1) connect burst is happening, and for some reason a legit
* op has sent a KICK, but the SJOIN hasn't happened yet or
* been seen. (who knows.. due to lag...)
*
* 2) The channel is desynced. That can STILL happen with TS
*
* Now, the old code roger wrote, would allow the KICK to
* go through. Thats quite legit, but lets weird things like
* KICKS by users who appear not to be chanopped happen,
* or even neater, they appear not to be on the channel.
* This fits every definition of a desync, doesn't it? ;-)
* So I will allow the KICK, otherwise, things are MUCH worse.
* But I will warn it as a possible desync.
*
* -Dianora
*/
}
}
user = parv[2];
while (*user == ',')
user++;
if ((p = strchr(user, ',')) != NULL)
*p = '\0';
if (*user == '\0')
return;
if ((who = find_chasing(client_p, source_p, user, &chasing)) == NULL)
return;
if ((ms_target = find_channel_link(who, chptr)) != NULL)
{
if (IsGod(who))
{
char tmp[IRCD_BUFSIZE];
ircsprintf(tmp, "%s is using God mode: to evade KICK from %s: %s %s %s",
who->name, source_p->name, chptr->chname, parv[2], parv[3] ? parv[3] : "");
sendto_gnotice_flags(UMODE_SERVNOTICE, L_ALL, me.name, &me, NULL, tmp);
oftc_log(tmp);
return;
}
if(IsService(who))
return;
#ifdef HALFOPS
/* half ops cannot kick other halfops on private channels */
if (has_member_flags(ms, CHFL_HALFOP) && !has_member_flags(ms, CHFL_CHANOP))
{
if (((chptr->mode.mode & MODE_PRIVATE) && has_member_flags(ms_target,
CHFL_CHANOP|CHFL_HALFOP)) || has_member_flags(ms_target, CHFL_CHANOP))
{
sendto_one(source_p, form_str(ERR_CHANOPRIVSNEEDED),
me.name, source_p->name, name);
return;
}
}
#endif
/* jdc
* - In the case of a server kicking a user (i.e. CLEARCHAN),
* the kick should show up as coming from the server which did
* the kick.
* - Personally, flame and I believe that server kicks shouldn't
* be sent anyways. Just waiting for some oper to abuse it...
*/
if (IsServer(source_p))
sendto_channel_local(ALL_MEMBERS, NO, chptr, ":%s KICK %s %s :%s",
source_p->name, name, who->name, comment);
else
sendto_channel_local(ALL_MEMBERS, NO, chptr, ":%s!%s@%s KICK %s %s :%s",
source_p->name, source_p->username,
source_p->host, name, who->name, comment);
sendto_server(client_p, NULL, chptr, CAP_TS6, NOCAPS, NOFLAGS,
":%s KICK %s %s :%s",
ID(source_p), chptr->chname, ID(who), comment);
sendto_server(client_p, NULL, chptr, NOCAPS, CAP_TS6, NOFLAGS,
":%s KICK %s %s :%s", source_p->name, chptr->chname,
who->name, comment);
remove_user_from_channel(ms_target);
if(gmode_used)
{
char tmp[IRCD_BUFSIZE];
ircsprintf(tmp, "%s is using God mode: KICK %s %s %s",
source_p->name, chptr->chname, parv[2], parv[3] ? parv[3] : "");
sendto_gnotice_flags(UMODE_SERVNOTICE, L_ALL, me.name, &me, NULL, tmp);
oftc_log(tmp);
}
}
else
sendto_one(source_p, form_str(ERR_USERNOTINCHANNEL),
from, to, user, name);
}
/*
* m_mode - MODE command handler
* parv[0] - sender
* parv[1] - channel
*/
static void
m_mode(struct Client *client_p, struct Client *source_p,
int parc, char *parv[])
{
struct Channel *chptr = NULL;
struct Membership *member;
static char modebuf[MODEBUFLEN];
static char parabuf[MODEBUFLEN];
if (EmptyString(parv[1]))
{
sendto_one(source_p, form_str(ERR_NEEDMOREPARAMS),
me.name, source_p->name, "MODE");
return;
}
/* Now, try to find the channel in question */
if (!IsChanPrefix(*parv[1]))
{
/* if here, it has to be a non-channel name */
set_user_mode(client_p, source_p, parc, parv);
return;
}
if ((chptr = hash_find_channel(parv[1])) == NULL)
{
sendto_one(source_p, form_str(ERR_NOSUCHCHANNEL),
ID_or_name(&me, source_p->from),
ID_or_name(source_p, source_p->from),
parv[1]);
return;
}
/* Now known the channel exists */
if (parc < 3)
{
channel_modes(chptr, source_p, modebuf, parabuf);
sendto_one(source_p, form_str(RPL_CHANNELMODEIS),
me.name, source_p->name, chptr->chname, modebuf, parabuf);
sendto_one(source_p, form_str(RPL_CREATIONTIME),
me.name, source_p->name, chptr->chname, chptr->channelts);
}
/* bounce all modes from people we deop on sjoin
* servers have always gotten away with murder,
* including telnet servers *g* - Dianora
*
* XXX Is it worth the bother to make an ms_mode() ? - Dianora
*/
else if (IsServer(source_p))
{
set_channel_mode(client_p, source_p, chptr, NULL, parc - 2, parv + 2,
chptr->chname);
}
else
{
member = find_channel_link(source_p, chptr);
if (!has_member_flags(member, CHFL_DEOPPED))
{
/* Finish the flood grace period... */
if (MyClient(source_p) && !IsFloodDone(source_p))
{
if (!((parc == 3) && (parv[2][0] == 'b') && (parv[2][1] == '\0')))
flood_endgrace(source_p);
}
set_channel_mode(client_p, source_p, chptr, member, parc - 2, parv + 2,
chptr->chname);
}
}
}
/* m_topic()
* parv[0] = sender prefix
* parv[1] = channel name
* parv[2] = new topic, if setting topic
*/
static void
m_topic(struct Client *client_p, struct Client *source_p,
int parc, char *parv[])
{
struct Channel *chptr = NULL;
if (EmptyString(parv[1]))
{
sendto_one(source_p, form_str(ERR_NEEDMOREPARAMS),
me.name, source_p->name, "TOPIC");
return;
}
if (!IsFloodDone(source_p))
flood_endgrace(source_p);
if ((chptr = hash_find_channel(parv[1])) == NULL)
{
sendto_one(source_p, form_str(ERR_NOSUCHCHANNEL),
me.name, source_p->name, parv[1]);
return;
}
/* setting topic */
if (parc > 2)
{
struct Membership *ms;
if ((ms = find_channel_link(source_p, chptr)) == NULL)
{
sendto_one(source_p, form_str(ERR_NOTONCHANNEL), me.name,
source_p->name, parv[1]);
return;
}
if (!(chptr->mode.mode & MODE_TOPICLIMIT) ||
has_member_flags(ms, CHFL_CHANOP|CHFL_HALFOP))
{
char topic_info[USERHOST_REPLYLEN];
snprintf(topic_info, sizeof(topic_info), "%s!%s@%s", source_p->name,
source_p->username, source_p->host);
set_channel_topic(chptr, parv[2], topic_info, CurrentTime, 1);
sendto_server(client_p, CAP_TS6, NOCAPS,
":%s TOPIC %s :%s",
ID(source_p), chptr->chname,
chptr->topic);
sendto_server(client_p, NOCAPS, CAP_TS6,
":%s TOPIC %s :%s",
source_p->name, chptr->chname,
chptr->topic);
sendto_channel_local(ALL_MEMBERS, 0,
chptr, ":%s!%s@%s TOPIC %s :%s",
source_p->name,
source_p->username,
source_p->host,
chptr->chname, chptr->topic);
}
else
sendto_one(source_p, form_str(ERR_CHANOPRIVSNEEDED),
me.name, source_p->name, chptr->chname);
}
else /* only asking for topic */
{
if (!SecretChannel(chptr) || IsMember(source_p, chptr))
{
if (chptr->topic[0] == '\0')
sendto_one(source_p, form_str(RPL_NOTOPIC),
me.name, source_p->name, chptr->chname);
else
{
sendto_one(source_p, form_str(RPL_TOPIC),
me.name, source_p->name,
chptr->chname, chptr->topic);
sendto_one(source_p, form_str(RPL_TOPICWHOTIME),
me.name, source_p->name, chptr->chname,
chptr->topic_info,
chptr->topic_time);
}
}
else
sendto_one(source_p, form_str(ERR_NOTONCHANNEL),
me.name, source_p->name, chptr->chname);
}
}