X-Git-Url: https://jfr.im/git/irc/rqf/shadowircd.git/blobdiff_plain/f4a80ce6a1d2b595fd884f58755ca08fd90871c3..3cc95ad81898b2aa152f074adb3b41ec7cbd7c42:/modules/core/m_join.c diff --git a/modules/core/m_join.c b/modules/core/m_join.c index ea5372b..61fdf18 100644 --- a/modules/core/m_join.c +++ b/modules/core/m_join.c @@ -21,16 +21,14 @@ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 * USA * - * $Id: m_join.c 3494 2007-05-27 13:07:27Z jilles $ */ #include "stdinc.h" -#include "tools.h" #include "channel.h" #include "client.h" #include "common.h" #include "hash.h" -#include "irc_string.h" +#include "match.h" #include "ircd.h" #include "numeric.h" #include "send.h" @@ -40,355 +38,92 @@ #include "msg.h" #include "parse.h" #include "modules.h" -#include "sprintf_irc.h" #include "packet.h" +#include "chmode.h" static int m_join(struct Client *, struct Client *, int, const char **); +static int me_svsjoin(struct Client *, struct Client *, int, const char **); static int ms_join(struct Client *, struct Client *, int, const char **); - -static int h_can_create_channel; -static int h_channel_join; +static int ms_sjoin(struct Client *, struct Client *, int, const char **); struct Message join_msgtab = { "JOIN", 0, 0, 0, MFLG_SLOW, {mg_unreg, {m_join, 2}, {ms_join, 2}, mg_ignore, mg_ignore, {m_join, 2}} }; -mapi_clist_av1 join_clist[] = { &join_msgtab, NULL }; +struct Message svsjoin_msgtab = { + "SVSJOIN", 0, 0, 0, MFLG_SLOW, + {mg_ignore, mg_ignore, mg_ignore, mg_ignore, {me_svsjoin, 3}, mg_ignore} +}; -mapi_hlist_av1 join_hlist[] = { - { "can_create_channel", &h_can_create_channel }, - { "channel_join", &h_channel_join }, - { NULL, NULL }, +struct Message sjoin_msgtab = { + "SJOIN", 0, 0, 0, MFLG_SLOW, + {mg_unreg, mg_ignore, mg_ignore, {ms_sjoin, 4}, mg_ignore, mg_ignore} }; -DECLARE_MODULE_AV1(join, NULL, NULL, join_clist, join_hlist, NULL, "$Revision: 3494 $"); +mapi_clist_av1 join_clist[] = { &join_msgtab, &svsjoin_msgtab, &sjoin_msgtab, NULL }; -static void do_join_0(struct Client *client_p, struct Client *source_p); -static int check_channel_name_loc(struct Client *source_p, const char *name); +DECLARE_MODULE_AV1(join, NULL, NULL, join_clist, NULL, NULL, "$Revision: 3494 $"); static void set_final_mode(struct Mode *mode, struct Mode *oldmode); static void remove_our_modes(struct Channel *chptr, struct Client *source_p); +static void remove_ban_list(struct Channel *chptr, struct Client *source_p, + rb_dlink_list * list, char c, int mems); + static char modebuf[MODEBUFLEN]; +static char omodebuf[MODEBUFLEN]; static char parabuf[MODEBUFLEN]; -static char *mbuf; - -/* Check what we will forward to, without sending any notices to the user - * -- jilles - */ -static 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; -} +static const char *para[MAXMODEPARAMS]; +static char *mbuf, *ombuf; +static int pargs; /* * m_join - * parv[0] = sender prefix * parv[1] = channel * parv[2] = channel password (key) */ static int m_join(struct Client *client_p, struct Client *source_p, int parc, const char *parv[]) { - static char jbuf[BUFSIZE]; - struct Channel *chptr = NULL; - struct ConfItem *aconf; - char *name; - char *key = NULL; - 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'; - - /* rebuild the list of channels theyre supposed to be joining. - * this code has a side effect of losing keys, but.. - */ - chanlist = LOCAL_COPY(parv[1]); - for(name = strtoken(&p, chanlist, ","); name; name = strtoken(&p, NULL, ",")) - { - /* 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) strlcat(jbuf, name, sizeof(jbuf)); - } - - if(parc > 2) - { - mykey = LOCAL_COPY(parv[2]); - key = strtoken(&p2, mykey, ","); - } - - for(name = strtoken(&p, jbuf, ","); name; - key = (key) ? strtoken(&p2, NULL, ",") : NULL, name = strtoken(&p, NULL, ",")) - { - 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 && !IsOper(source_p)) - { - 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((dlink_list_length(&source_p->user->channel) >= - (unsigned long) ConfigChannel.max_chans_per_user) && - (!IsOper(source_p) || - (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 = CurrentTime; - return 0; - } - - 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); + user_join(client_p, source_p, parv[1], parc > 2 ? parv[2] : NULL); /* channel.c */ - 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)) - { - 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 && - CurrentTime - chptr->join_delta >= chptr->mode.join_time) - { - chptr->join_count = 0; - chptr->join_delta = CurrentTime; - } - 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 = CurrentTime; - chptr->mode.mode |= MODE_TOPICLIMIT; - chptr->mode.mode |= MODE_NOPRIVMSGS; - - sendto_channel_local(ONLY_CHANOPS, chptr, ":%s MODE %s +nt", - me.name, chptr->chname); - - if(*chptr->chname == '#') - { - sendto_server(client_p, chptr, CAP_TS6, NOCAPS, - ":%s SJOIN %ld %s +nt :@%s", - me.id, (long) chptr->channelts, - chptr->chname, source_p->id); - sendto_server(client_p, chptr, NOCAPS, CAP_TS6, - ":%s SJOIN %ld %s +nt :@%s", - me.name, (long) chptr->channelts, - chptr->chname, source_p->name); - } - } - else - { - sendto_server(client_p, chptr, CAP_TS6, NOCAPS, - ":%s JOIN %ld %s +", - use_id(source_p), (long) chptr->channelts, - chptr->chname); - - sendto_server(client_p, chptr, NOCAPS, CAP_TS6, - ":%s SJOIN %ld %s + :%s", - me.name, (long) chptr->channelts, - chptr->chname, source_p->name); - } - - 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); + return 0; +} - sendto_one(source_p, form_str(RPL_TOPICWHOTIME), - me.name, source_p->name, chptr->chname, - chptr->topic_info, chptr->topic_time); - } +/* + * me_svsjoin - small function to allow services to forcejoin clients, mainly for ns_ajoin + * parv[1] = user to act on (join to a channel) + * parv[2] = channel + * This does allow opers to "forcejoin" users to channels with operserv/raw or by writing a + * custom module (where they can make it not log anything), but the former bitches that it's + * being used and the latter...Can probably be done anyway with enough hackyness if this + * command didn't exist so it's not all that bad. + */ +static int +me_svsjoin(struct Client *client_p, struct Client *source_p, int parc, const char *parv[]) +{ + struct Client *target_p; - channel_member_names(chptr, source_p, 1); + if(!(source_p->flags & FLAGS_SERVICE)) + return 0; - if(successful_join_count) - source_p->localClient->last_join_time = CurrentTime; + if((target_p = find_person(parv[1])) == NULL) + return 0; - hook_info.client = source_p; - hook_info.chptr = chptr; - hook_info.key = key; - call_hook(h_channel_join, &hook_info); - } + if(!MyClient(target_p)) + return 0; + user_join(&me, target_p, parv[2], NULL); return 0; } /* * ms_join - * - * inputs - - * output - none - * side effects - handles remote JOIN's sent by servers. In TSora - * remote clients are joined using SJOIN, hence a - * JOIN sent by a server on behalf of a client is an error. - * here, the initial code is in to take an extra parameter - * and use it for the TimeStamp on a new channel. + * parv[1] = channel TS + * parv[2] = channel + * parv[3] = "+", formerly channel modes but now unused + * alternatively, a single "0" parameter parts all channels */ static int ms_join(struct Client *client_p, struct Client *source_p, int parc, const char *parv[]) @@ -400,7 +135,7 @@ ms_join(struct Client *client_p, struct Client *source_p, int parc, const char * int isnew; int keep_our_modes = YES; int keep_new_modes = YES; - dlink_node *ptr, *next_ptr; + rb_dlink_node *ptr, *next_ptr; /* special case for join 0 */ if((parv[1][0] == '0') && (parv[1][1] == '\0') && parc == 2) @@ -420,6 +155,7 @@ ms_join(struct Client *client_p, struct Client *source_p, int parc, const char * return 0; mbuf = modebuf; + ombuf = omodebuf; mode.key[0] = mode.forward[0] = '\0'; mode.mode = mode.limit = mode.join_num = mode.join_time = 0; @@ -470,7 +206,7 @@ ms_join(struct Client *client_p, struct Client *source_p, int parc, const char * set_final_mode(&mode, &chptr->mode); chptr->mode = mode; remove_our_modes(chptr, source_p); - DLINK_FOREACH_SAFE(ptr, next_ptr, chptr->invites.head) + RB_DLINK_FOREACH_SAFE(ptr, next_ptr, chptr->invites.head) { del_invite(chptr, ptr->data); } @@ -488,17 +224,25 @@ ms_join(struct Client *client_p, struct Client *source_p, int parc, const char * ":%s MODE %s %s %s", source_p->servptr->name, chptr->chname, modebuf, parabuf); - *modebuf = *parabuf = '\0'; + if(*omodebuf != '\0') + sendto_channel_local(ONLY_OPERS, chptr, + ":%s MODE %s %s %s", + source_p->servptr->name, + chptr->chname, modebuf, parabuf); + *omodebuf = *modebuf = *parabuf = '\0'; + + /* since we're dropping our modes, we want to clear the mlock as well. --nenolod */ + set_channel_mlock(client_p, source_p, chptr, NULL, FALSE); } if(!IsMember(source_p, chptr)) { add_user_to_channel(chptr, source_p, CHFL_PEON); if (chptr->mode.join_num && - CurrentTime - chptr->join_delta >= chptr->mode.join_time) + rb_current_time() - chptr->join_delta >= chptr->mode.join_time) { chptr->join_count = 0; - chptr->join_delta = CurrentTime; + chptr->join_delta = rb_current_time(); } chptr->join_count++; sendto_channel_local(ALL_MEMBERS, chptr, ":%s!%s@%s JOIN :%s", @@ -509,138 +253,661 @@ ms_join(struct Client *client_p, struct Client *source_p, int parc, const char * sendto_server(client_p, chptr, CAP_TS6, NOCAPS, ":%s JOIN %ld %s +", source_p->id, (long) chptr->channelts, chptr->chname); - sendto_server(client_p, chptr, NOCAPS, CAP_TS6, - ":%s SJOIN %ld %s %s :%s", - source_p->user->server, (long) chptr->channelts, - chptr->chname, keep_new_modes ? "+" : "0", - source_p->name); return 0; } -/* - * 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* - * There is a bunch of evilness necessary here due to - * anti spambot code. - */ -static void -do_join_0(struct Client *client_p, struct Client *source_p) +static int +ms_sjoin(struct Client *client_p, struct Client *source_p, int parc, const char *parv[]) { - struct membership *msptr; - struct Channel *chptr = NULL; - dlink_node *ptr; + static char buf_uid[BUFSIZE]; + static const char empty_modes[] = "0"; + struct Channel *chptr; + struct Client *target_p, *fakesource_p; + time_t newts; + time_t oldts; + static struct Mode mode, *oldmode; + const char *modes; + int args = 0; + int keep_our_modes = 1; + int keep_new_modes = 1; + int fl; + int isnew; + int mlen_uid; + int len_nick; + int len_uid; + int len; + int joins = 0; + const char *s; + char *ptr_uid; + char *p; + int i, joinc = 0, timeslice = 0; + static char empty[] = ""; + rb_dlink_node *ptr, *next_ptr; - /* Finish the flood grace period... */ - if(MyClient(source_p) && !IsFloodDone(source_p)) - flood_endgrace(source_p); + if(!IsChannelName(parv[2]) || !check_channel_name(parv[2])) + return 0; + + /* SJOIN's for local channels can't happen. */ + if(*parv[2] == '&') + return 0; + omodebuf[0] = modebuf[0] = parabuf[0] = mode.key[0] = mode.forward[0] = '\0'; + pargs = mode.mode = mode.limit = mode.join_num = mode.join_time = 0; - sendto_server(client_p, NULL, CAP_TS6, NOCAPS, ":%s JOIN 0", use_id(source_p)); - sendto_server(client_p, NULL, NOCAPS, CAP_TS6, ":%s JOIN 0", source_p->name); + /* Hide connecting server on netburst -- jilles */ + if (ConfigServerHide.flatten_links && !HasSentEob(source_p)) + fakesource_p = &me; + else + fakesource_p = source_p; - if(source_p->user->channel.head && MyConnect(source_p) && - !IsOper(source_p) && !IsExemptSpambot(source_p)) - check_spambot_warning(source_p, NULL); + mbuf = modebuf; + ombuf = omodebuf; + newts = atol(parv[1]); - while((ptr = source_p->user->channel.head)) + s = parv[3]; + while (*s) { - 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); + switch (*(s++)) + { + case 'f': + rb_strlcpy(mode.forward, parv[4 + args], sizeof(mode.forward)); + args++; + if(parc < 5 + args) + return 0; + break; + case 'j': + sscanf(parv[4 + args], "%d:%d", &joinc, ×lice); + args++; + mode.join_num = joinc; + mode.join_time = timeslice; + if(parc < 5 + args) + return 0; + break; + case 'k': + rb_strlcpy(mode.key, parv[4 + args], sizeof(mode.key)); + args++; + if(parc < 5 + args) + return 0; + break; + case 'l': + mode.limit = atoi(parv[4 + args]); + args++; + if(parc < 5 + args) + return 0; + break; + default: + if(chmode_flags[(int) *s] != 0) + { + mode.mode |= chmode_flags[(int) *s]; + } + } } -} -static int -check_channel_name_loc(struct Client *source_p, const char *name) -{ - s_assert(name != NULL); - if(EmptyString(name)) - return 0; + if(parv[args + 4]) + { + s = parv[args + 4]; + + /* remove any leading spaces */ + while (*s == ' ') + s++; + } + else + s = ""; + + if((chptr = get_or_create_channel(source_p, parv[2], &isnew)) == NULL) + return 0; /* channel name too long? */ + + + oldts = chptr->channelts; + oldmode = &chptr->mode; + +#ifdef IGNORE_BOGUS_TS + if(newts < 800000000) + { + sendto_realops_snomask(SNO_DEBUG, L_ALL, + "*** Bogus TS %ld on %s ignored from %s", + (long) newts, chptr->chname, client_p->name); + + newts = (oldts == 0) ? oldts : 800000000; + } +#else + if(!isnew && !newts && oldts) + { + sendto_channel_local(ALL_MEMBERS, chptr, + ":%s NOTICE %s :*** Notice -- TS for %s " + "changed from %ld to 0", + me.name, chptr->chname, chptr->chname, (long) oldts); + sendto_realops_snomask(SNO_GENERAL, L_ALL, + "Server %s changing TS on %s from %ld to 0", + source_p->name, chptr->chname, (long) oldts); + } +#endif - if(ConfigFileEntry.disable_fake_channels && !IsOper(source_p)) + if(isnew) + chptr->channelts = newts; + + else if(newts == 0 || oldts == 0) + chptr->channelts = 0; + else if(newts == oldts) + ; + else if(newts < oldts) { - for(; *name; ++name) + /* If configured, kick people trying to join +i/+k + * channels by recreating them on split servers. + * If the source has sent EOB, assume this is some + * sort of hack by services. If cmode +i is set, + * services can send kicks if needed; if the key + * differs, services cannot kick in a race-free + * manner so do so here. + * -- jilles */ + if (ConfigChannel.kick_on_split_riding && + ((!HasSentEob(source_p) && + mode.mode & MODE_INVITEONLY) || + (mode.key[0] != 0 && irccmp(mode.key, oldmode->key) != 0))) { - if(!IsChanChar(*name) || IsFakeChanChar(*name)) - return 0; + struct membership *msptr; + struct Client *who; + int l = rb_dlink_list_length(&chptr->members); + + RB_DLINK_FOREACH_SAFE(ptr, next_ptr, chptr->locmembers.head) + { + msptr = ptr->data; + who = msptr->client_p; + sendto_one(who, ":%s KICK %s %s :Net Rider", + me.name, chptr->chname, who->name); + + sendto_server(NULL, chptr, CAP_TS6, NOCAPS, + ":%s KICK %s %s :Net Rider", + me.id, chptr->chname, + who->id); + remove_user_from_channel(msptr); + if (--l == 0) + break; + } + if (l == 0) + { + /* Channel was emptied, create a new one */ + if((chptr = get_or_create_channel(source_p, parv[2], &isnew)) == NULL) + return 0; /* oops! */ + + oldmode = &chptr->mode; + } } + keep_our_modes = NO; + chptr->channelts = newts; } else + keep_new_modes = NO; + + if(!keep_new_modes) + mode = *oldmode; + else if(keep_our_modes) { - for(; *name; ++name) + mode.mode |= oldmode->mode; + if(oldmode->limit > mode.limit) + mode.limit = oldmode->limit; + if(strcmp(mode.key, oldmode->key) < 0) + strcpy(mode.key, oldmode->key); + if(oldmode->join_num > mode.join_num || + (oldmode->join_num == mode.join_num && + oldmode->join_time > mode.join_time)) { - if(!IsChanChar(*name)) - return 0; + mode.join_num = oldmode->join_num; + mode.join_time = oldmode->join_time; + } + if(irccmp(mode.forward, oldmode->forward) < 0) + strcpy(mode.forward, oldmode->forward); + } + else + { + /* If setting -j, clear join throttle state -- jilles */ + if (!mode.join_num) + chptr->join_count = chptr->join_delta = 0; + } + + set_final_mode(&mode, oldmode); + chptr->mode = mode; + + /* Lost the TS, other side wins, so remove modes on this side */ + if(!keep_our_modes) + { + remove_our_modes(chptr, fakesource_p); + RB_DLINK_FOREACH_SAFE(ptr, next_ptr, chptr->invites.head) + { + del_invite(chptr, ptr->data); } + + if(rb_dlink_list_length(&chptr->banlist) > 0) + remove_ban_list(chptr, fakesource_p, &chptr->banlist, 'b', ALL_MEMBERS); + if(rb_dlink_list_length(&chptr->exceptlist) > 0) + remove_ban_list(chptr, fakesource_p, &chptr->exceptlist, + 'e', ONLY_CHANOPS); + if(rb_dlink_list_length(&chptr->invexlist) > 0) + remove_ban_list(chptr, fakesource_p, &chptr->invexlist, + 'I', ONLY_CHANOPS); + if(rb_dlink_list_length(&chptr->quietlist) > 0) + remove_ban_list(chptr, fakesource_p, &chptr->quietlist, + 'q', ALL_MEMBERS); + chptr->bants++; + + sendto_channel_local(ALL_MEMBERS, chptr, + ":%s NOTICE %s :*** Notice -- TS for %s changed from %ld to %ld", + me.name, chptr->chname, chptr->chname, + (long) oldts, (long) newts); + /* Update capitalization in channel name, this makes the + * capitalization timestamped like modes are -- jilles */ + strcpy(chptr->chname, parv[2]); + + /* since we're dropping our modes, we want to clear the mlock as well. --nenolod */ + set_channel_mlock(client_p, source_p, chptr, NULL, FALSE); } - return 1; -} + if(*modebuf != '\0') + sendto_channel_local(ALL_MEMBERS, chptr, ":%s MODE %s %s %s", + fakesource_p->name, chptr->chname, modebuf, parabuf); -struct mode_letter -{ - int mode; - char letter; -}; + if(*omodebuf != '\0') + sendto_channel_local(ONLY_OPERS, chptr, ":%s MODE %s %s %s", + fakesource_p->name, chptr->chname, omodebuf, parabuf); + + *omodebuf = *modebuf = *parabuf = '\0'; + + if(parv[3][0] != '0' && keep_new_modes) + modes = channel_modes(chptr, source_p); + else + modes = empty_modes; + + mlen_uid = rb_sprintf(buf_uid, ":%s SJOIN %ld %s %s :", + use_id(source_p), (long) chptr->channelts, parv[2], modes); + ptr_uid = buf_uid + mlen_uid; + + mbuf = modebuf; + ombuf = omodebuf; + para[0] = para[1] = para[2] = para[3] = empty; + pargs = 0; + len_nick = len_uid = 0; + + /* if theres a space, theres going to be more than one nick, change the + * first space to \0, so s is just the first nick, and point p to the + * second nick + */ + if((p = strchr(s, ' ')) != NULL) + { + *p++ = '\0'; + } + + *mbuf++ = '+'; + + while (s) + { + fl = 0; + + for (i = 0; i < 4; i++) + { + if(*s == '!') + { + fl |= CHFL_ADMIN; + s++; + } + else if(*s == '@') + { + fl |= CHFL_CHANOP; + s++; + } + else if(*s == '%') + { + fl |= CHFL_HALFOP; + s++; + } + else if(*s == '+') + { + fl |= CHFL_VOICE; + s++; + } + } + + /* if the client doesnt exist or is fake direction, skip. */ + if(!(target_p = find_client(s)) || + (target_p->from != client_p) || !IsPerson(target_p)) + goto nextnick; + + /* we assume for these we can fit at least one nick/uid in.. */ + + /* check we can fit another status+nick+space into a buffer */ + if((mlen_uid + len_uid + IDLEN + 3) > (BUFSIZE - 3)) + { + *(ptr_uid - 1) = '\0'; + sendto_server(client_p->from, NULL, CAP_TS6, NOCAPS, "%s", buf_uid); + ptr_uid = buf_uid + mlen_uid; + len_uid = 0; + } + + if(keep_new_modes) + { + if(fl & CHFL_ADMIN) + { + *ptr_uid++ = '!'; + len_nick++; + len_uid++; + } + if(fl & CHFL_CHANOP) + { + *ptr_uid++ = '@'; + len_nick++; + len_uid++; + } + if(fl & CHFL_HALFOP) + { + *ptr_uid++ = '%'; + len_nick++; + len_uid++; + } + if(fl & CHFL_VOICE) + { + *ptr_uid++ = '+'; + len_nick++; + len_uid++; + } + } + + /* copy the nick to the two buffers */ + len = rb_sprintf(ptr_uid, "%s ", use_id(target_p)); + ptr_uid += len; + len_uid += len; + + if(!keep_new_modes) + fl = 0; + + if(!IsMember(target_p, chptr)) + { + add_user_to_channel(chptr, target_p, fl); + sendto_channel_local(ALL_MEMBERS, chptr, ":%s!%s@%s JOIN :%s", + target_p->name, + target_p->username, target_p->host, parv[2]); + joins++; + } + + /* If anyone can think of a way to do this that doesn't make babies cry + * I would love to hear it - Taros */ + + if(fl & CHFL_ADMIN) + { + *mbuf++ = 'a'; + para[pargs++] = target_p->name; + + if(fl & CHFL_CHANOP) + { + /* its possible the +a has filled up MAXMODEPARAMS, if so, start + * a new buffer + */ + if(pargs >= MAXMODEPARAMS) + { + *mbuf = '\0'; + sendto_channel_local(ALL_MEMBERS, chptr, + ":%s MODE %s %s %s %s %s %s", + fakesource_p->name, chptr->chname, + modebuf, + para[0], para[1], para[2], para[3]); + mbuf = modebuf; + *mbuf++ = '+'; + para[0] = para[1] = para[2] = para[3] = NULL; + pargs = 0; + } + + *mbuf++ = 'o'; + para[pargs++] = target_p->name; + } + if(fl & CHFL_HALFOP) + { + /* its possible the +a has filled up MAXMODEPARAMS, if so, start + * a new buffer + */ + if(pargs >= MAXMODEPARAMS) + { + *mbuf = '\0'; + sendto_channel_local(ALL_MEMBERS, chptr, + ":%s MODE %s %s %s %s %s %s", + fakesource_p->name, chptr->chname, + modebuf, + para[0], para[1], para[2], para[3]); + mbuf = modebuf; + *mbuf++ = '+'; + para[0] = para[1] = para[2] = para[3] = NULL; + pargs = 0; + } + + *mbuf++ = 'h'; + para[pargs++] = target_p->name; + } + if(fl & CHFL_VOICE) + { + /* its possible the +a has filled up MAXMODEPARAMS, if so, start + * a new buffer + */ + if(pargs >= MAXMODEPARAMS) + { + *mbuf = '\0'; + sendto_channel_local(ALL_MEMBERS, chptr, + ":%s MODE %s %s %s %s %s %s", + fakesource_p->name, chptr->chname, + modebuf, + para[0], para[1], para[2], para[3]); + mbuf = modebuf; + *mbuf++ = '+'; + para[0] = para[1] = para[2] = para[3] = NULL; + pargs = 0; + } + + *mbuf++ = 'v'; + para[pargs++] = target_p->name; + } + } + else if(fl & CHFL_CHANOP) + { + *mbuf++ = 'o'; + para[pargs++] = target_p->name; + + if(fl & CHFL_HALFOP) + { + /* its possible the +o has filled up MAXMODEPARAMS, if so, start + * a new buffer + */ + if(pargs >= MAXMODEPARAMS) + { + *mbuf = '\0'; + sendto_channel_local(ALL_MEMBERS, chptr, + ":%s MODE %s %s %s %s %s %s", + fakesource_p->name, chptr->chname, + modebuf, + para[0], para[1], para[2], para[3]); + mbuf = modebuf; + *mbuf++ = '+'; + para[0] = para[1] = para[2] = para[3] = NULL; + pargs = 0; + } + + *mbuf++ = 'h'; + para[pargs++] = target_p->name; + } + if(fl & CHFL_VOICE) + { + /* its possible the +o has filled up MAXMODEPARAMS, if so, start + * a new buffer + */ + if(pargs >= MAXMODEPARAMS) + { + *mbuf = '\0'; + sendto_channel_local(ALL_MEMBERS, chptr, + ":%s MODE %s %s %s %s %s %s", + fakesource_p->name, chptr->chname, + modebuf, + para[0], para[1], para[2], para[3]); + mbuf = modebuf; + *mbuf++ = '+'; + para[0] = para[1] = para[2] = para[3] = NULL; + pargs = 0; + } + + *mbuf++ = 'v'; + para[pargs++] = target_p->name; + } + } + else if(fl & CHFL_HALFOP) + { + *mbuf++ = 'h'; + para[pargs++] = target_p->name; + + if(fl & CHFL_VOICE) + { + /* its possible the +h has filled up MAXMODEPARAMS, if so, start + * a new buffer + */ + if(pargs >= MAXMODEPARAMS) + { + *mbuf = '\0'; + sendto_channel_local(ALL_MEMBERS, chptr, + ":%s MODE %s %s %s %s %s %s", + fakesource_p->name, chptr->chname, + modebuf, + para[0], para[1], para[2], para[3]); + mbuf = modebuf; + *mbuf++ = '+'; + para[0] = para[1] = para[2] = para[3] = NULL; + pargs = 0; + } + + *mbuf++ = 'v'; + para[pargs++] = target_p->name; + } + } + else if(fl & CHFL_VOICE) + { + *mbuf++ = 'v'; + para[pargs++] = target_p->name; + } + + if(pargs >= MAXMODEPARAMS) + { + *mbuf = '\0'; + sendto_channel_local(ALL_MEMBERS, chptr, + ":%s MODE %s %s %s %s %s %s", + fakesource_p->name, + chptr->chname, + modebuf, para[0], para[1], para[2], para[3]); + mbuf = modebuf; + *mbuf++ = '+'; + para[0] = para[1] = para[2] = para[3] = NULL; + pargs = 0; + } + + nextnick: + /* p points to the next nick */ + s = p; + + /* if there was a trailing space and p was pointing to it, then we + * need to exit.. this has the side effect of breaking double spaces + * in an sjoin.. but that shouldnt happen anyway + */ + if(s && (*s == '\0')) + s = p = NULL; + + /* if p was NULL due to no spaces, s wont exist due to the above, so + * we cant check it for spaces.. if there are no spaces, then when + * we next get here, s will be NULL + */ + if(s && ((p = strchr(s, ' ')) != NULL)) + { + *p++ = '\0'; + } + } + + *mbuf = '\0'; + if(pargs) + { + sendto_channel_local(ALL_MEMBERS, chptr, + ":%s MODE %s %s %s %s %s %s", + fakesource_p->name, chptr->chname, modebuf, + para[0], CheckEmpty(para[1]), + CheckEmpty(para[2]), CheckEmpty(para[3])); + } + + if(!joins && !(chptr->mode.mode & MODE_PERMANENT) && isnew) + { + destroy_channel(chptr); + + return 0; + } + + /* Keep the colon if we're sending an SJOIN without nicks -- jilles */ + if (joins) + { + *(ptr_uid - 1) = '\0'; + } + + sendto_server(client_p->from, NULL, CAP_TS6, NOCAPS, "%s", buf_uid); + + return 0; +} -static struct mode_letter flags[] = { - {MODE_NOPRIVMSGS, 'n'}, - {MODE_TOPICLIMIT, 't'}, - {MODE_SECRET, 's'}, - {MODE_MODERATED, 'm'}, - {MODE_INVITEONLY, 'i'}, - {MODE_PRIVATE, 'p'}, - {MODE_REGONLY, 'r'}, - {MODE_EXLIMIT, 'L'}, - {MODE_PERMANENT, 'P'}, - {MODE_NOCOLOR, 'c'}, - {MODE_FREEINVITE, 'g'}, - {MODE_OPMODERATE, 'z'}, - {MODE_FREETARGET, 'F'}, - {MODE_DISFORWARD, 'Q'}, - {0, 0} -}; static void set_final_mode(struct Mode *mode, struct Mode *oldmode) { - int dir = MODE_QUERY; + int dir = MODE_QUERY, odir = MODE_QUERY; char *pbuf = parabuf; int len; int i; /* ok, first get a list of modes we need to add */ - for(i = 0; flags[i].letter; i++) + for (i = 0; i < 256; i++) { - if((mode->mode & flags[i].mode) && !(oldmode->mode & flags[i].mode)) + if((mode->mode & chmode_flags[i]) && !(oldmode->mode & chmode_flags[i])) { - if(dir != MODE_ADD) + if (chmode_table[i].set_func == chm_hidden) + { + if(odir != MODE_ADD) + { + *ombuf++ = '+'; + odir = MODE_ADD; + } + *ombuf++ = i; + } + else { - *mbuf++ = '+'; - dir = MODE_ADD; + if(dir != MODE_ADD) + { + *mbuf++ = '+'; + dir = MODE_ADD; + } + *mbuf++ = i; + } - *mbuf++ = flags[i].letter; } } /* now the ones we need to remove. */ - for(i = 0; flags[i].letter; i++) + for (i = 0; i < 256; i++) { - if((oldmode->mode & flags[i].mode) && !(mode->mode & flags[i].mode)) + if((oldmode->mode & chmode_flags[i]) && !(mode->mode & chmode_flags[i])) { - if(dir != MODE_DEL) + if(chmode_table[i].set_func == chm_hidden) + { + if(odir != MODE_DEL) + { + *ombuf++ = '-'; + odir = MODE_DEL; + } + *ombuf++ = i; + } + else { - *mbuf++ = '-'; - dir = MODE_DEL; + if(dir != MODE_DEL) + { + *mbuf++ = '-'; + dir = MODE_DEL; + } + *mbuf++ = i; } - *mbuf++ = flags[i].letter; } } @@ -661,7 +928,7 @@ set_final_mode(struct Mode *mode, struct Mode *oldmode) dir = MODE_DEL; } *mbuf++ = 'k'; - len = ircsprintf(pbuf, "%s ", oldmode->key); + len = rb_sprintf(pbuf, "%s ", oldmode->key); pbuf += len; } if(oldmode->join_num && !mode->join_num) @@ -690,7 +957,7 @@ set_final_mode(struct Mode *mode, struct Mode *oldmode) dir = MODE_ADD; } *mbuf++ = 'l'; - len = ircsprintf(pbuf, "%d ", mode->limit); + len = rb_sprintf(pbuf, "%d ", mode->limit); pbuf += len; } if(mode->key[0] && strcmp(oldmode->key, mode->key)) @@ -701,7 +968,7 @@ set_final_mode(struct Mode *mode, struct Mode *oldmode) dir = MODE_ADD; } *mbuf++ = 'k'; - len = ircsprintf(pbuf, "%s ", mode->key); + len = rb_sprintf(pbuf, "%s ", mode->key); pbuf += len; } if(mode->join_num && (oldmode->join_num != mode->join_num || oldmode->join_time != mode->join_time)) @@ -712,7 +979,7 @@ set_final_mode(struct Mode *mode, struct Mode *oldmode) dir = MODE_ADD; } *mbuf++ = 'j'; - len = ircsprintf(pbuf, "%d:%d ", mode->join_num, mode->join_time); + len = rb_sprintf(pbuf, "%d:%d ", mode->join_num, mode->join_time); pbuf += len; } if(mode->forward[0] && strcmp(oldmode->forward, mode->forward) && ConfigChannel.use_forward) @@ -723,7 +990,7 @@ set_final_mode(struct Mode *mode, struct Mode *oldmode) dir = MODE_ADD; } *mbuf++ = 'f'; - len = ircsprintf(pbuf, "%s ", mode->forward); + len = rb_sprintf(pbuf, "%s ", mode->forward); pbuf += len; } *mbuf = '\0'; @@ -740,7 +1007,7 @@ static void remove_our_modes(struct Channel *chptr, struct Client *source_p) { struct membership *msptr; - dlink_node *ptr; + rb_dlink_node *ptr; char lmodebuf[MODEBUFLEN]; char *lpara[MAXMODEPARAMS]; int count = 0; @@ -752,17 +1019,156 @@ remove_our_modes(struct Channel *chptr, struct Client *source_p) for(i = 0; i < MAXMODEPARAMS; i++) lpara[i] = NULL; - DLINK_FOREACH(ptr, chptr->members.head) + RB_DLINK_FOREACH(ptr, chptr->members.head) { msptr = ptr->data; - if(is_chanop(msptr)) + /* If anyone can think of a way to do this that doesn't make babies cry + * I would love to hear it - Taros */ + + if(is_admin(msptr)) + { + msptr->flags &= ~CHFL_ADMIN; + lpara[count++] = msptr->client_p->name; + *mbuf++ = 'a'; + + /* Make sure it fits if +h, +o, or +v are involved */ + if(is_chanop(msptr)) + { + if(count >= MAXMODEPARAMS) + { + *mbuf = '\0'; + sendto_channel_local(ALL_MEMBERS, chptr, + ":%s MODE %s %s %s %s %s %s", + source_p->name, chptr->chname, + lmodebuf, lpara[0], lpara[1], + lpara[2], lpara[3]); + + /* preserve the initial '-' */ + mbuf = lmodebuf; + *mbuf++ = '-'; + count = 0; + + for(i = 0; i < MAXMODEPARAMS; i++) + lpara[i] = NULL; + } + + msptr->flags &= ~CHFL_CHANOP; + lpara[count++] = msptr->client_p->name; + *mbuf++ = 'o'; + } + if(is_halfop(msptr)) + { + if(count >= MAXMODEPARAMS) + { + *mbuf = '\0'; + sendto_channel_local(ALL_MEMBERS, chptr, + ":%s MODE %s %s %s %s %s %s", + source_p->name, chptr->chname, + lmodebuf, lpara[0], lpara[1], + lpara[2], lpara[3]); + + /* preserve the initial '-' */ + mbuf = lmodebuf; + *mbuf++ = '-'; + count = 0; + + for(i = 0; i < MAXMODEPARAMS; i++) + lpara[i] = NULL; + } + + msptr->flags &= ~CHFL_HALFOP; + lpara[count++] = msptr->client_p->name; + *mbuf++ = 'h'; + } + if(is_voiced(msptr)) + { + if(count >= MAXMODEPARAMS) + { + *mbuf = '\0'; + sendto_channel_local(ALL_MEMBERS, chptr, + ":%s MODE %s %s %s %s %s %s", + source_p->name, chptr->chname, + lmodebuf, lpara[0], lpara[1], + lpara[2], lpara[3]); + + /* preserve the initial '-' */ + mbuf = lmodebuf; + *mbuf++ = '-'; + count = 0; + + for(i = 0; i < MAXMODEPARAMS; i++) + lpara[i] = NULL; + } + + msptr->flags &= ~CHFL_VOICE; + lpara[count++] = msptr->client_p->name; + *mbuf++ = 'v'; + } + } + else if(is_chanop(msptr)) { msptr->flags &= ~CHFL_CHANOP; lpara[count++] = msptr->client_p->name; *mbuf++ = 'o'; - /* +ov, might not fit so check. */ + /* Make sure it fits if +h or +v are involved */ + if(is_halfop(msptr)) + { + if(count >= MAXMODEPARAMS) + { + *mbuf = '\0'; + sendto_channel_local(ALL_MEMBERS, chptr, + ":%s MODE %s %s %s %s %s %s", + source_p->name, chptr->chname, + lmodebuf, lpara[0], lpara[1], + lpara[2], lpara[3]); + + /* preserve the initial '-' */ + mbuf = lmodebuf; + *mbuf++ = '-'; + count = 0; + + for(i = 0; i < MAXMODEPARAMS; i++) + lpara[i] = NULL; + } + + msptr->flags &= ~CHFL_HALFOP; + lpara[count++] = msptr->client_p->name; + *mbuf++ = 'h'; + } + if(is_voiced(msptr)) + { + if(count >= MAXMODEPARAMS) + { + *mbuf = '\0'; + sendto_channel_local(ALL_MEMBERS, chptr, + ":%s MODE %s %s %s %s %s %s", + source_p->name, chptr->chname, + lmodebuf, lpara[0], lpara[1], + lpara[2], lpara[3]); + + /* preserve the initial '-' */ + mbuf = lmodebuf; + *mbuf++ = '-'; + count = 0; + + for(i = 0; i < MAXMODEPARAMS; i++) + lpara[i] = NULL; + } + + msptr->flags &= ~CHFL_VOICE; + lpara[count++] = msptr->client_p->name; + *mbuf++ = 'v'; + } + } + else if(is_halfop(msptr)) + { + msptr->flags &= ~CHFL_HALFOP; + lpara[count++] = msptr->client_p->name; + *mbuf++ = 'h'; + + /* +hv, might not fit so check. */ if(is_voiced(msptr)) { if(count >= MAXMODEPARAMS) @@ -770,7 +1176,7 @@ remove_our_modes(struct Channel *chptr, struct Client *source_p) *mbuf = '\0'; sendto_channel_local(ALL_MEMBERS, chptr, ":%s MODE %s %s %s %s %s %s", - me.name, chptr->chname, + source_p->name, chptr->chname, lmodebuf, lpara[0], lpara[1], lpara[2], lpara[3]); @@ -802,7 +1208,7 @@ remove_our_modes(struct Channel *chptr, struct Client *source_p) *mbuf = '\0'; sendto_channel_local(ALL_MEMBERS, chptr, ":%s MODE %s %s %s %s %s %s", - me.name, chptr->chname, lmodebuf, + source_p->name, chptr->chname, lmodebuf, lpara[0], lpara[1], lpara[2], lpara[3]); mbuf = lmodebuf; *mbuf++ = '-'; @@ -818,7 +1224,7 @@ remove_our_modes(struct Channel *chptr, struct Client *source_p) *mbuf = '\0'; sendto_channel_local(ALL_MEMBERS, chptr, ":%s MODE %s %s %s %s %s %s", - me.name, chptr->chname, lmodebuf, + source_p->name, chptr->chname, lmodebuf, EmptyString(lpara[0]) ? "" : lpara[0], EmptyString(lpara[1]) ? "" : lpara[1], EmptyString(lpara[2]) ? "" : lpara[2], @@ -826,3 +1232,64 @@ remove_our_modes(struct Channel *chptr, struct Client *source_p) } } + +/* remove_ban_list() + * + * inputs - channel, source, list to remove, char of mode, caps needed + * outputs - + * side effects - given list is removed, with modes issued to local clients + */ +static void +remove_ban_list(struct Channel *chptr, struct Client *source_p, + rb_dlink_list * list, char c, int mems) +{ + static char lmodebuf[BUFSIZE]; + static char lparabuf[BUFSIZE]; + struct Ban *banptr; + rb_dlink_node *ptr; + rb_dlink_node *next_ptr; + char *pbuf; + int count = 0; + int cur_len, mlen, plen; + + pbuf = lparabuf; + + cur_len = mlen = rb_sprintf(lmodebuf, ":%s MODE %s -", source_p->name, chptr->chname); + mbuf = lmodebuf + mlen; + + RB_DLINK_FOREACH_SAFE(ptr, next_ptr, list->head) + { + banptr = ptr->data; + + /* trailing space, and the mode letter itself */ + plen = strlen(banptr->banstr) + 2; + + if(count >= MAXMODEPARAMS || (cur_len + plen) > BUFSIZE - 4) + { + /* remove trailing space */ + *mbuf = '\0'; + *(pbuf - 1) = '\0'; + + sendto_channel_local(mems, chptr, "%s %s", lmodebuf, lparabuf); + + cur_len = mlen; + mbuf = lmodebuf + mlen; + pbuf = lparabuf; + count = 0; + } + + *mbuf++ = c; + cur_len += plen; + pbuf += rb_sprintf(pbuf, "%s ", banptr->banstr); + count++; + + free_ban(banptr); + } + + *mbuf = '\0'; + *(pbuf - 1) = '\0'; + sendto_channel_local(mems, chptr, "%s %s", lmodebuf, lparabuf); + + list->head = list->tail = NULL; + list->length = 0; +}