#include "s_conf.h" /* ConfigFileEntry, ConfigChannel */
#include "s_newconf.h"
#include "logger.h"
+#include "packet.h"
struct config_channel_entry ConfigChannel;
rb_dlink_list global_channel_list;
static void free_topic(struct Channel *chptr);
static int h_can_join;
+static int h_can_create_channel;
+static int h_channel_join;
/* init_channels()
*
member_heap = rb_bh_create(sizeof(struct membership), MEMBER_HEAP_SIZE, "member_heap");
h_can_join = register_hook("can_join");
+ h_channel_join = register_hook("channel_join");
+ h_can_create_channel = register_hook("can_create_channel");
}
/*
JOIN_LEAVE_COUNT_EXPIRE_TIME)
{
decrement_count = (t_delta / JOIN_LEAVE_COUNT_EXPIRE_TIME);
- if(decrement_count > source_p->localClient->join_leave_count)
+ if(name != NULL)
+ ;
+ else if(decrement_count > source_p->localClient->join_leave_count)
source_p->localClient->join_leave_count = 0;
else
source_p->localClient->join_leave_count -= decrement_count;
sendto_server(client_p, chptr, cap, nocap, "%s %s", modebuf, parabuf);
}
}
+
+/* Check what we will forward to, without sending any notices to the user
+ * -- jilles
+ */
+struct Channel *
+check_forward(struct Client *source_p, struct Channel *chptr,
+ char *key)
+{
+ int depth = 0, i;
+
+ /* User is +Q */
+ if (IsNoForward(source_p))
+ return NULL;
+
+ while (depth < 16)
+ {
+ chptr = find_channel(chptr->mode.forward);
+ /* Can only forward to existing channels */
+ if (chptr == NULL)
+ return NULL;
+ /* Already on there, show original error message */
+ if (IsMember(source_p, chptr))
+ return NULL;
+ /* Juped. Sending a warning notice would be unfair */
+ if (hash_find_resv(chptr->chname))
+ return NULL;
+ /* Don't forward to +Q channel */
+ if (chptr->mode.mode & MODE_DISFORWARD)
+ return NULL;
+ i = can_join(source_p, chptr, key);
+ if (i == 0)
+ return chptr;
+ if (i != ERR_INVITEONLYCHAN && i != ERR_NEEDREGGEDNICK && i != ERR_THROTTLE && i != ERR_CHANNELISFULL)
+ return NULL;
+ depth++;
+ }
+
+ return NULL;
+}
+
+/*
+ * do_join_0
+ *
+ * inputs - pointer to client doing join 0
+ * output - NONE
+ * side effects - Use has decided to join 0. This is legacy
+ * from the days when channels were numbers not names. *sigh*
+ */
+void
+do_join_0(struct Client *client_p, struct Client *source_p)
+{
+ struct membership *msptr;
+ struct Channel *chptr = NULL;
+ rb_dlink_node *ptr;
+
+ /* Finish the flood grace period... */
+ if(MyClient(source_p) && !IsFloodDone(source_p))
+ flood_endgrace(source_p);
+
+ sendto_server(client_p, NULL, CAP_TS6, NOCAPS, ":%s JOIN 0", use_id(source_p));
+
+ while((ptr = source_p->user->channel.head))
+ {
+ if(source_p->user->channel.head && MyConnect(source_p) &&
+ !IsOper(source_p) && !IsExemptSpambot(source_p))
+ check_spambot_warning(source_p, NULL);
+
+ msptr = ptr->data;
+ chptr = msptr->chptr;
+ sendto_channel_local(ALL_MEMBERS, chptr, ":%s!%s@%s PART %s",
+ source_p->name,
+ source_p->username, source_p->host, chptr->chname);
+ remove_user_from_channel(msptr);
+ }
+}
+
+int
+check_channel_name_loc(struct Client *source_p, const char *name)
+{
+ const char *p;
+
+ s_assert(name != NULL);
+ if(EmptyString(name))
+ return 0;
+
+ if(ConfigFileEntry.disable_fake_channels && !IsOper(source_p))
+ {
+ for(p = name; *p; ++p)
+ {
+ if(!IsChanChar(*p) || IsFakeChanChar(*p))
+ return 0;
+ }
+ }
+ else
+ {
+ for(p = name; *p; ++p)
+ {
+ if(!IsChanChar(*p))
+ return 0;
+ }
+ }
+
+ if(ConfigChannel.only_ascii_channels)
+ {
+ for(p = name; *p; ++p)
+ if(*p < 33 || *p > 126)
+ return 0;
+ }
+
+
+ return 1;
+}
+
+void user_join(struct Client * client_p, struct Client * source_p, const char * channels, const char * keys)
+{
+ static char jbuf[BUFSIZE];
+ struct Channel *chptr = NULL;
+ struct ConfItem *aconf;
+ char *name;
+ char *key = NULL;
+ const char *modes;
+ int i, flags = 0;
+ char *p = NULL, *p2 = NULL;
+ char *chanlist;
+ char *mykey;
+
+ jbuf[0] = '\0';
+
+ if(channels == NULL)
+ return;
+
+ /* rebuild the list of channels theyre supposed to be joining.
+ * this code has a side effect of losing keys, but..
+ */
+ chanlist = LOCAL_COPY(channels);
+ for(name = rb_strtok_r(chanlist, ",", &p); name; name = rb_strtok_r(NULL, ",", &p))
+ {
+ /* check the length and name of channel is ok */
+ if(!check_channel_name_loc(source_p, name) || (strlen(name) > LOC_CHANNELLEN))
+ {
+ sendto_one_numeric(source_p, ERR_BADCHANNAME,
+ form_str(ERR_BADCHANNAME), (unsigned char *) name);
+ continue;
+ }
+
+ /* join 0 parts all channels */
+ if(*name == '0' && (name[1] == ',' || name[1] == '\0') && name == chanlist)
+ {
+ (void) strcpy(jbuf, "0");
+ continue;
+ }
+
+ /* check it begins with # or &, and local chans are disabled */
+ else if(!IsChannelName(name))
+ {
+ sendto_one_numeric(source_p, ERR_NOSUCHCHANNEL,
+ form_str(ERR_NOSUCHCHANNEL), name);
+ continue;
+ }
+
+ /* see if its resv'd */
+ if(!IsExemptResv(source_p) && (aconf = hash_find_resv(name)))
+ {
+ sendto_one_numeric(source_p, ERR_BADCHANNAME,
+ form_str(ERR_BADCHANNAME), name);
+
+ /* dont warn for opers */
+ if(!IsExemptJupe(source_p) && !IsOper(source_p))
+ sendto_realops_snomask(SNO_SPY, L_NETWIDE,
+ "User %s (%s@%s) is attempting to join locally juped channel %s (%s)",
+ source_p->name, source_p->username,
+ source_p->orighost, name, aconf->passwd);
+ /* dont update tracking for jupe exempt users, these
+ * are likely to be spamtrap leaves
+ */
+ else if(IsExemptJupe(source_p))
+ aconf->port--;
+
+ continue;
+ }
+
+ if(splitmode && !IsOper(source_p) && (*name != '&') &&
+ ConfigChannel.no_join_on_split)
+ {
+ sendto_one(source_p, form_str(ERR_UNAVAILRESOURCE),
+ me.name, source_p->name, name);
+ continue;
+ }
+
+ if(*jbuf)
+ (void) strcat(jbuf, ",");
+ (void) rb_strlcat(jbuf, name, sizeof(jbuf));
+ }
+
+ if(keys != NULL)
+ {
+ mykey = LOCAL_COPY(keys);
+ key = rb_strtok_r(mykey, ",", &p2);
+ }
+
+ for(name = rb_strtok_r(jbuf, ",", &p); name;
+ key = (key) ? rb_strtok_r(NULL, ",", &p2) : NULL, name = rb_strtok_r(NULL, ",", &p))
+ {
+ hook_data_channel_activity hook_info;
+
+ /* JOIN 0 simply parts all channels the user is in */
+ if(*name == '0' && !atoi(name))
+ {
+ if(source_p->user->channel.head == NULL)
+ continue;
+
+ do_join_0(&me, source_p);
+ continue;
+ }
+
+ /* look for the channel */
+ if((chptr = find_channel(name)) != NULL)
+ {
+ if(IsMember(source_p, chptr))
+ continue;
+
+ flags = 0;
+ }
+ else
+ {
+ hook_data_client_approval moduledata;
+
+ moduledata.client = source_p;
+ moduledata.approved = 0;
+
+ call_hook(h_can_create_channel, &moduledata);
+
+ if(moduledata.approved != 0)
+ {
+ sendto_one(source_p, form_str(moduledata.approved),
+ me.name, source_p->name, name);
+ continue;
+ }
+
+ if(splitmode && !IsOper(source_p) && (*name != '&') &&
+ ConfigChannel.no_create_on_split)
+ {
+ sendto_one(source_p, form_str(ERR_UNAVAILRESOURCE),
+ me.name, source_p->name, name);
+ continue;
+ }
+
+ flags = CHFL_CHANOP;
+ }
+
+ if((rb_dlink_list_length(&source_p->user->channel) >=
+ (unsigned long) ConfigChannel.max_chans_per_user) &&
+ (!IsOper(source_p) ||
+ (rb_dlink_list_length(&source_p->user->channel) >=
+ (unsigned long) ConfigChannel.max_chans_per_user * 3)))
+ {
+ sendto_one(source_p, form_str(ERR_TOOMANYCHANNELS),
+ me.name, source_p->name, name);
+ return;
+ }
+
+ if(chptr == NULL) /* If I already have a chptr, no point doing this */
+ {
+ chptr = get_or_create_channel(source_p, name, NULL);
+
+ if(chptr == NULL)
+ {
+ sendto_one(source_p, form_str(ERR_UNAVAILRESOURCE),
+ me.name, source_p->name, name);
+ continue;
+ }
+ }
+
+ /* can_join checks for +i key, bans etc */
+ if((i = can_join(source_p, chptr, key)))
+ {
+ if ((i != ERR_NEEDREGGEDNICK && i != ERR_THROTTLE && i != ERR_INVITEONLYCHAN && i != ERR_CHANNELISFULL) ||
+ (!ConfigChannel.use_forward || (chptr = check_forward(source_p, chptr, key)) == NULL))
+ {
+ /* might be wrong, but is there any other better location for such?
+ * see extensions/chm_operonly.c for other comments on this
+ * -- dwr
+ */
+ if(i != ERR_CUSTOM)
+ sendto_one(source_p, form_str(i), me.name, source_p->name, name);
+
+ continue;
+ }
+
+ sendto_one_numeric(source_p, ERR_LINKCHANNEL, form_str(ERR_LINKCHANNEL), name, chptr->chname);
+ }
+
+ if(flags == 0 &&
+ !IsOper(source_p) && !IsExemptSpambot(source_p))
+ check_spambot_warning(source_p, name);
+
+ /* add the user to the channel */
+ add_user_to_channel(chptr, source_p, flags);
+ if (chptr->mode.join_num &&
+ rb_current_time() - chptr->join_delta >= chptr->mode.join_time)
+ {
+ chptr->join_count = 0;
+ chptr->join_delta = rb_current_time();
+ }
+ chptr->join_count++;
+
+ /* we send the user their join here, because we could have to
+ * send a mode out next.
+ */
+ sendto_channel_local(ALL_MEMBERS, chptr, ":%s!%s@%s JOIN :%s",
+ source_p->name,
+ source_p->username, source_p->host, chptr->chname);
+
+ /* its a new channel, set +nt and burst. */
+ if(flags & CHFL_CHANOP)
+ {
+ chptr->channelts = rb_current_time();
+ chptr->mode.mode |= MODE_TOPICLIMIT;
+ chptr->mode.mode |= MODE_NOPRIVMSGS;
+ modes = channel_modes(chptr, &me);
+
+ sendto_channel_local(ONLY_CHANOPS, chptr, ":%s MODE %s %s",
+ me.name, chptr->chname, modes);
+
+ sendto_server(client_p, chptr, CAP_TS6, NOCAPS,
+ ":%s SJOIN %ld %s %s :@%s",
+ me.id, (long) chptr->channelts,
+ chptr->chname, modes, source_p->id);
+ }
+ else
+ {
+ sendto_server(client_p, chptr, CAP_TS6, NOCAPS,
+ ":%s JOIN %ld %s +",
+ use_id(source_p), (long) chptr->channelts,
+ chptr->chname);
+ }
+
+ del_invite(chptr, source_p);
+
+ if(chptr->topic != NULL)
+ {
+ 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);
+ }
+
+ channel_member_names(chptr, source_p, 1);
+
+ hook_info.client = source_p;
+ hook_info.chptr = chptr;
+ hook_info.key = key;
+ call_hook(h_channel_join, &hook_info);
+ }
+
+ return;
+}