]> jfr.im git - irc/rqf/shadowircd.git/blobdiff - src/channel.c
move user_join() to channels.c
[irc/rqf/shadowircd.git] / src / channel.c
index 61332aa21430b91cda8504066e1706695c2abe68..1f0c9c13a7d3f9c1aa8c262cfe0ecc162eae44af 100644 (file)
@@ -62,6 +62,8 @@ static struct ChCapCombo chcap_combos[NCHCAP_COMBOS];
 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()
  *
@@ -78,6 +80,8 @@ init_channels(void)
        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");
 }
 
 /*
@@ -1396,3 +1400,262 @@ check_forward(struct Client *source_p, struct Channel *chptr,
 
        return NULL;
 }
+
+void user_join(struct Client * source_p, char * channels, 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;
+       int successful_join_count = 0;  /* Number of channels successfully joined */
+
+       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);
+                       if(successful_join_count)
+                               source_p->localClient->last_join_time = rb_current_time();
+                       return;
+               }
+
+               if(flags == 0)  /* if channel doesn't exist, don't penalize */
+                       successful_join_count++;
+
+               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);
+                               if(successful_join_count > 0)
+                                       successful_join_count--;
+                               continue;
+                       }
+               }
+
+               if(!IsOper(source_p) && !IsExemptSpambot(source_p))
+                       check_spambot_warning(source_p, name);
+
+               /* 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);
+
+                               if(successful_join_count > 0)
+                                       successful_join_count--;
+                               continue;
+                       }
+
+                       sendto_one_numeric(source_p, ERR_LINKCHANNEL, form_str(ERR_LINKCHANNEL), name, chptr->chname);
+               }
+
+               /* 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);
+
+               if(successful_join_count)
+                       source_p->localClient->last_join_time = rb_current_time();
+
+               hook_info.client = source_p;
+               hook_info.chptr = chptr;
+               hook_info.key = key;
+               call_hook(h_channel_join, &hook_info);
+       }
+
+       return;
+}