* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ * $Id$
*/
+#include "config.h"
-#include "sys.h"
-#include <stdlib.h>
-#include "h.h"
-#include "struct.h"
#include "channel.h"
-#include "parse.h"
-#include "whowas.h"
-#include "send.h"
-#include "s_err.h"
-#include "numeric.h"
+#include "client.h"
+#include "hash.h"
#include "ircd.h"
-#include "common.h"
-#include "match.h"
+#include "ircd_alloc.h"
+#include "ircd_chattr.h"
+#include "ircd_defs.h"
+#include "ircd_features.h"
+#include "ircd_log.h"
+#include "ircd_policy.h"
+#include "ircd_reply.h"
+#include "ircd_snprintf.h"
+#include "ircd_string.h"
#include "list.h"
-#include "hash.h"
-#include "s_misc.h"
-#include "s_user.h"
-#include "s_conf.h"
-#include "s_bsd.h"
+#include "match.h"
#include "msg.h"
-#include "common.h"
-#include "s_serv.h"
-#include "channel.h"
-#include "support.h"
+#include "msgq.h"
+#include "numeric.h"
#include "numnicks.h"
-#include "sprintf_irc.h"
#include "querycmds.h"
+#include "s_bsd.h"
+#include "s_conf.h"
+#include "s_debug.h"
+#include "s_misc.h"
+#include "s_user.h"
+#include "send.h"
+#include "struct.h"
+#include "support.h"
+#include "sys.h"
+#include "whowas.h"
-RCSTAG_CC("$Id$");
-
-aChannel *channel = NullChn;
-
-static void sendmodeto_one(aClient *cptr, char *from, char *name,
- char *mode, char *param, time_t creationtime);
-static void add_invite(aClient *, aChannel *);
-static int add_banid(aClient *, aChannel *, char *, int, int);
-static Link *next_overlapped_ban(void);
-static Link *next_removed_overlapped_ban(void);
-static int can_join(aClient *, aChannel *, char *);
-static void channel_modes(aClient *, char *, char *, aChannel *);
-static int del_banid(aChannel *, char *, int);
-static int is_banned(aClient *, aChannel *, Link *);
-static int number_of_zombies(aChannel *);
-static int is_deopped(aClient *, aChannel *);
-static int set_mode(aClient *, aClient *, aChannel *, int,
- char **, char *, char *, char *, int *);
-static void sub1_from_channel(aChannel *);
-static void send_hack_notice(aClient *, aClient *, int, char *[], int, int);
-static void clean_channelname(char *);
-
-void del_invite(aClient *, aChannel *);
-
-static char *PartFmt1 = ":%s PART %s";
-static char *PartFmt2 = ":%s PART %s :%s";
-/*
- * some buffers for rebuilding channel/nick lists with ,'s
- */
-static char nickbuf[BUFSIZE], buf[BUFSIZE];
-static char modebuf[MODEBUFLEN], parabuf[MODEBUFLEN];
-static char nparabuf[MODEBUFLEN];
+#include <assert.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
-/*
- * Maximum acceptable lag time in seconds: A channel younger than
- * this is not protected against hacking admins.
- * Mainly here to check if the TS clocks really sync (otherwise this
- * will start causing HACK notices.
- * This value must be the same on all servers.
- *
- * This value has been increased to 1 day in order to distinguish this
- * "normal" type of HACK wallops / desyncs, from possiblity still
- * existing bugs.
- */
-#define TS_LAG_TIME ((time_t)86400)
+struct Channel* GlobalChannelList = 0;
-/*
- * A Magic TS that is used for channels that are created by JOIN,
- * a channel with this TS accepts all TS without complaining that
- * it might receive later via MODE or CREATE.
- */
-#define MAGIC_REMOTE_JOIN_TS 1270080000
+static unsigned int membershipAllocCount;
+static struct Membership* membershipFreeList;
+
+static struct SLink *next_overlapped_ban(void);
+static int del_banid(struct Channel *, char *, int);
+void del_invite(struct Client *, struct Channel *);
+
+const char* const PartFmt1 = ":%s " MSG_PART " %s";
+const char* const PartFmt2 = ":%s " MSG_PART " %s :%s";
+const char* const PartFmt1serv = "%s%s " TOK_PART " %s";
+const char* const PartFmt2serv = "%s%s " TOK_PART " %s :%s";
+
+
+static struct SLink* next_ban;
+static struct SLink* prev_ban;
+static struct SLink* removed_bans_list;
/*
* Use a global variable to remember if an oper set a mode on a local channel. Ugly,
*/
int LocalChanOperMode = 0;
+#if !defined(NDEBUG)
/*
* return the length (>=0) of a chain of links.
*/
-static int list_length(Link *lp)
+static int list_length(struct SLink *lp)
{
- Reg2 int count = 0;
+ int count = 0;
for (; lp; lp = lp->next)
- count++;
+ ++count;
return count;
}
+#endif
+
+struct Membership* find_member_link(struct Channel* chptr, const struct Client* cptr)
+{
+ struct Membership *m;
+ assert(0 != cptr);
+ assert(0 != chptr);
+
+ /* Servers don't have member links */
+ if (IsServer(cptr)||IsMe(cptr))
+ return 0;
+
+ /* +k users are typically on a LOT of channels. So we iterate over who
+ * is in the channel. X/W are +k and are in about 5800 channels each.
+ * however there are typically no more than 1000 people in a channel
+ * at a time.
+ */
+ if (IsChannelService(cptr)) {
+ m = chptr->members;
+ while (m) {
+ assert(m->channel == chptr);
+ if (m->user == cptr)
+ return m;
+ m = m->next_member;
+ }
+ }
+ /* Users on the other hand aren't allowed on more than 15 channels. 50%
+ * of users that are on channels are on 2 or less, 95% are on 7 or less,
+ * and 99% are on 10 or less.
+ */
+ else {
+ m = (cli_user(cptr))->channel;
+ while (m) {
+ assert(m->user == cptr);
+ if (m->channel == chptr)
+ return m;
+ m = m->next_channel;
+ }
+ }
+ return 0;
+}
/*
- * find_chasing
- *
- * Find the client structure for a nick name (user) using history
- * mechanism if necessary. If the client is not found, an error
+ * find_chasing - Find the client structure for a nick name (user)
+ * using history mechanism if necessary. If the client is not found, an error
* message (NO SUCH NICK) is generated. If the client was found
* through the history, chasing will be 1 and otherwise 0.
*/
-static aClient *find_chasing(aClient *sptr, char *user, int *chasing)
+struct Client* find_chasing(struct Client* sptr, const char* user, int* chasing)
{
- Reg2 aClient *who = FindClient(user);
+ struct Client* who = FindClient(user);
if (chasing)
*chasing = 0;
if (who)
return who;
- if (!(who = get_history(user, (long)KILLCHASETIMELIMIT)))
- {
- sendto_one(sptr, err_str(ERR_NOSUCHNICK), me.name, sptr->name, user);
- return NULL;
+
+ if (!(who = get_history(user, feature_int(FEAT_KILLCHASETIMELIMIT)))) {
+ send_reply(sptr, ERR_NOSUCHNICK, user);
+ return 0;
}
if (chasing)
*chasing = 1;
* Create a string of form "foo!bar@fubar" given foo, bar and fubar
* as the parameters. If NULL, they become "*".
*/
-static char *make_nick_user_host(char *nick, char *name, char *host)
+static char *make_nick_user_host(const char *nick, const char *name,
+ const char *host)
{
static char namebuf[NICKLEN + USERLEN + HOSTLEN + 3];
- sprintf_irc(namebuf, "%s!%s@%s", nick, name, host);
+ ircd_snprintf(0, namebuf, sizeof(namebuf), "%s!%s@%s", nick, name, host);
return namebuf;
}
static char *make_nick_user_ip(char *nick, char *name, struct in_addr ip)
{
static char ipbuf[NICKLEN + USERLEN + 16 + 3];
- sprintf_irc(ipbuf, "%s!%s@%s", nick, name, inetntoa(ip));
+ ircd_snprintf(0, ipbuf, sizeof(ipbuf), "%s!%s@%s", nick, name,
+ ircd_ntoa((const char*) &ip));
return ipbuf;
}
+/*
+ * Subtract one user from channel i (and free channel
+ * block, if channel became empty).
+ * Returns: true (1) if channel still exists
+ * false (0) if the channel was destroyed
+ */
+int sub1_from_channel(struct Channel* chptr)
+{
+ struct SLink *tmp;
+ struct SLink *obtmp;
+
+ if (chptr->users > 1) /* Can be 0, called for an empty channel too */
+ {
+ assert(0 != chptr->members);
+ --chptr->users;
+ return 1;
+ }
+
+ assert(0 == chptr->members);
+
+ /* Channel became (or was) empty: Remove channel */
+ if (is_listed(chptr))
+ {
+ int i;
+ for (i = 0; i <= HighestFd; i++)
+ {
+ struct Client *acptr = 0;
+ if ((acptr = LocalClientArray[i]) && cli_listing(acptr) &&
+ (cli_listing(acptr))->chptr == chptr)
+ {
+ list_next_channels(acptr, 1);
+ break; /* Only one client can list a channel */
+ }
+ }
+ }
+ /*
+ * Now, find all invite links from channel structure
+ */
+ while ((tmp = chptr->invites))
+ del_invite(tmp->value.cptr, chptr);
+
+ tmp = chptr->banlist;
+ while (tmp)
+ {
+ obtmp = tmp;
+ tmp = tmp->next;
+ MyFree(obtmp->value.ban.banstr);
+ MyFree(obtmp->value.ban.who);
+ free_link(obtmp);
+ }
+ if (chptr->prev)
+ chptr->prev->next = chptr->next;
+ else
+ GlobalChannelList = chptr->next;
+ if (chptr->next)
+ chptr->next->prev = chptr->prev;
+ hRemChannel(chptr);
+ --UserStats.channels;
+ /*
+ * make sure that channel actually got removed from hash table
+ */
+ assert(chptr->hnext == chptr);
+ MyFree(chptr);
+ return 0;
+}
+
/*
* add_banid
*
*
* --Run
*/
-static Link *next_ban, *prev_ban, *removed_bans_list;
-
-static int add_banid(aClient *cptr, aChannel *chptr, char *banid,
- int change, int firsttime)
+int add_banid(struct Client *cptr, struct Channel *chptr, char *banid,
+ int change, int firsttime)
{
- Reg1 Link *ban, **banp;
- Reg2 int cnt = 0, removed_bans = 0, len = strlen(banid);
+ struct SLink* ban;
+ struct SLink** banp;
+ int cnt = 0;
+ int removed_bans = 0;
+ int len = strlen(banid);
if (firsttime)
{
next_ban = NULL;
- if (prev_ban || removed_bans_list)
- MyCoreDump; /* Memory leak */
+ assert(0 == prev_ban);
+ assert(0 == removed_bans_list);
}
if (MyUser(cptr))
collapse(banid);
{
if (!strcmp((*banp)->value.ban.banstr, banid))
{
- (*banp)->flags &= ~CHFL_BURST_BAN_WIPEOUT;
- return -2;
+ (*banp)->flags &= ~CHFL_BURST_BAN_WIPEOUT;
+ return -2;
}
}
else if (!mmatch((*banp)->value.ban.banstr, banid))
return -1;
if (!mmatch(banid, (*banp)->value.ban.banstr))
{
- Link *tmp = *banp;
+ struct SLink *tmp = *banp;
if (change)
{
- if (MyUser(cptr))
- {
- cnt--;
- len -= strlen(tmp->value.ban.banstr);
- }
- *banp = tmp->next;
-#if 0
- /* Silently remove overlapping bans */
- RunFree(tmp->value.ban.banstr);
- RunFree(tmp->value.ban.who);
- free_link(tmp);
-#else
- /* These will be sent to the user later as -b */
- tmp->next = removed_bans_list;
- removed_bans_list = tmp;
- removed_bans = 1;
-#endif
+ if (MyUser(cptr))
+ {
+ cnt--;
+ len -= strlen(tmp->value.ban.banstr);
+ }
+ *banp = tmp->next;
+ /* These will be sent to the user later as -b */
+ tmp->next = removed_bans_list;
+ removed_bans_list = tmp;
+ removed_bans = 1;
}
else if (!(tmp->flags & CHFL_BURST_BAN_WIPEOUT))
{
- tmp->flags |= CHFL_BAN_OVERLAPPED;
- if (!next_ban)
- next_ban = tmp;
- banp = &tmp->next;
+ tmp->flags |= CHFL_BAN_OVERLAPPED;
+ if (!next_ban)
+ next_ban = tmp;
+ banp = &tmp->next;
}
else
- banp = &tmp->next;
+ banp = &tmp->next;
}
else
{
if (firsttime)
- (*banp)->flags &= ~CHFL_BAN_OVERLAPPED;
+ (*banp)->flags &= ~CHFL_BAN_OVERLAPPED;
banp = &(*banp)->next;
}
}
- if (MyUser(cptr) && !removed_bans && (len > MAXBANLENGTH || (cnt >= MAXBANS)))
+ if (MyUser(cptr) && !removed_bans &&
+ (len > (feature_int(FEAT_AVBANLEN) * feature_int(FEAT_MAXBANS)) ||
+ (cnt >= feature_int(FEAT_MAXBANS))))
{
- sendto_one(cptr, err_str(ERR_BANLISTFULL), me.name, cptr->name,
- chptr->chname, banid);
+ send_reply(cptr, ERR_BANLISTFULL, chptr->chname, banid);
return -1;
}
if (change)
{
- char *ip_start;
+ char* ip_start;
+ struct Membership* member;
ban = make_link();
ban->next = chptr->banlist;
- ban->value.ban.banstr = (char *)RunMalloc(strlen(banid) + 1);
+
+ ban->value.ban.banstr = (char*) MyMalloc(strlen(banid) + 1);
+ assert(0 != ban->value.ban.banstr);
strcpy(ban->value.ban.banstr, banid);
- ban->value.ban.who = (char *)RunMalloc(strlen(cptr->name) + 1);
- strcpy(ban->value.ban.who, cptr->name);
- ban->value.ban.when = now;
- ban->flags = CHFL_BAN; /* This bit is never used I think... */
+
+#ifdef HEAD_IN_SAND_BANWHO
+ if (IsServer(cptr))
+ DupString(ban->value.ban.who, cli_name(&me));
+ else
+#endif
+ DupString(ban->value.ban.who, cli_name(cptr));
+ assert(0 != ban->value.ban.who);
+
+ ban->value.ban.when = TStime();
+ ban->flags = CHFL_BAN; /* This bit is never used I think... */
if ((ip_start = strrchr(banid, '@')) && check_if_ipmask(ip_start + 1))
ban->flags |= CHFL_BAN_IPMASK;
chptr->banlist = ban;
- /* Erase ban-valid-bit */
- for (ban = chptr->members; ban; ban = ban->next)
- ban->flags &= ~CHFL_BANVALID; /* `ban' == channel member ! */
+
+ /*
+ * Erase ban-valid-bit
+ */
+ for (member = chptr->members; member; member = member->next_member)
+ ClearBanValid(member); /* `ban' == channel member ! */
}
return 0;
}
-static Link *next_overlapped_ban(void)
+static struct SLink *next_overlapped_ban(void)
{
- Reg1 Link *tmp = next_ban;
+ struct SLink *tmp = next_ban;
if (tmp)
{
- Reg2 Link *ban;
+ struct SLink *ban;
for (ban = tmp->next; ban; ban = ban->next)
if ((ban->flags & CHFL_BAN_OVERLAPPED))
- break;
+ break;
next_ban = ban;
}
return tmp;
}
-static Link *next_removed_overlapped_ban(void)
+struct SLink *next_removed_overlapped_ban(void)
{
- Reg1 Link *tmp = removed_bans_list;
+ struct SLink *tmp = removed_bans_list;
if (prev_ban)
{
- if (prev_ban->value.ban.banstr) /* Can be set to NULL in set_mode() */
- RunFree(prev_ban->value.ban.banstr);
- RunFree(prev_ban->value.ban.who);
+ if (prev_ban->value.ban.banstr) /* Can be set to NULL in set_mode() */
+ MyFree(prev_ban->value.ban.banstr);
+ MyFree(prev_ban->value.ban.who);
free_link(prev_ban);
+ prev_ban = 0;
}
if (tmp)
removed_bans_list = removed_bans_list->next;
* If `change' is true, delete `banid' from channel `chptr'.
* Returns `false' if removal was (or would have been) successful.
*/
-static int del_banid(aChannel *chptr, char *banid, int change)
+static int del_banid(struct Channel *chptr, char *banid, int change)
{
- Reg1 Link **ban;
- Reg2 Link *tmp;
+ struct SLink **ban;
+ struct SLink *tmp;
if (!banid)
return -1;
- for (ban = &(chptr->banlist); *ban; ban = &((*ban)->next))
- if (strCasediff(banid, (*ban)->value.ban.banstr) == 0)
+ for (ban = &(chptr->banlist); *ban; ban = &((*ban)->next)) {
+ if (0 == ircd_strcmp(banid, (*ban)->value.ban.banstr))
{
tmp = *ban;
if (change)
{
- *ban = tmp->next;
- RunFree(tmp->value.ban.banstr);
- RunFree(tmp->value.ban.who);
- free_link(tmp);
- /* Erase ban-valid-bit, for channel members that are banned */
- for (tmp = chptr->members; tmp; tmp = tmp->next)
- if ((tmp->flags & (CHFL_BANNED | CHFL_BANVALID)) ==
- (CHFL_BANNED | CHFL_BANVALID))
- tmp->flags &= ~CHFL_BANVALID; /* `tmp' == channel member */
+ struct Membership* member;
+ *ban = tmp->next;
+ MyFree(tmp->value.ban.banstr);
+ MyFree(tmp->value.ban.who);
+ free_link(tmp);
+ /*
+ * Erase ban-valid-bit, for channel members that are banned
+ */
+ for (member = chptr->members; member; member = member->next_member)
+ if (CHFL_BANVALIDMASK == (member->status & CHFL_BANVALIDMASK))
+ ClearBanValid(member); /* `tmp' == channel member */
}
return 0;
}
+ }
return -1;
}
/*
- * IsMember - returns Link * if a person is joined and not a zombie
+ * find_channel_member - returns Membership * if a person is joined and not a zombie
*/
-Link *IsMember(aClient *cptr, aChannel *chptr)
+struct Membership* find_channel_member(struct Client* cptr, struct Channel* chptr)
{
- Link *lp;
- return (((lp = find_user_link(chptr->members, cptr)) &&
- !(lp->flags & CHFL_ZOMBIE)) ? lp : NULL);
+ struct Membership* member;
+ assert(0 != chptr);
+
+ member = find_member_link(chptr, cptr);
+ return (member && !IsZombie(member)) ? member : 0;
}
/*
* is_banned - a non-zero value if banned else 0.
*/
-static int is_banned(aClient *cptr, aChannel *chptr, Link *member)
+static int is_banned(struct Client *cptr, struct Channel *chptr,
+ struct Membership* member)
{
- Reg1 Link *tmp;
- char *s, *ip_s = NULL;
+ struct SLink* tmp;
+ char* s;
+ char* ip_s = NULL;
if (!IsUser(cptr))
return 0;
- if (member)
- {
- if ((member->flags & CHFL_BANVALID))
- return (member->flags & CHFL_BANNED);
- }
+ if (member && IsBanValid(member))
+ return IsBanned(member);
- s = make_nick_user_host(cptr->name, cptr->user->username, cptr->user->host);
+ s = make_nick_user_host(cli_name(cptr), (cli_user(cptr))->username,
+ (cli_user(cptr))->host);
- for (tmp = chptr->banlist; tmp; tmp = tmp->next)
- {
- if ((tmp->flags & CHFL_BAN_IPMASK))
- {
+ for (tmp = chptr->banlist; tmp; tmp = tmp->next) {
+ if ((tmp->flags & CHFL_BAN_IPMASK)) {
if (!ip_s)
- ip_s = make_nick_user_ip(cptr->name, cptr->user->username, cptr->ip);
+ ip_s = make_nick_user_ip(cli_name(cptr), (cli_user(cptr))->username,
+ cli_ip(cptr));
if (match(tmp->value.ban.banstr, ip_s) == 0)
- break;
+ break;
}
else if (match(tmp->value.ban.banstr, s) == 0)
break;
}
- if (member)
- {
- member->flags |= CHFL_BANVALID;
- if (tmp)
- {
- member->flags |= CHFL_BANNED;
+ if (member) {
+ SetBanValid(member);
+ if (tmp) {
+ SetBanned(member);
return 1;
}
- else
- {
- member->flags &= ~CHFL_BANNED;
+ else {
+ ClearBanned(member);
return 0;
}
}
* adds a user to a channel by adding another link to the channels member
* chain.
*/
-static void add_user_to_channel(aChannel *chptr, aClient *who, int flags)
+void add_user_to_channel(struct Channel* chptr, struct Client* who,
+ unsigned int flags)
{
- Reg1 Link *ptr;
+ assert(0 != chptr);
+ assert(0 != who);
+
+ if (cli_user(who)) {
+
+ struct Membership* member = membershipFreeList;
+ if (member)
+ membershipFreeList = member->next_member;
+ else {
+ member = (struct Membership*) MyMalloc(sizeof(struct Membership));
+ ++membershipAllocCount;
+ }
+
+ assert(0 != member);
+ member->user = who;
+ member->channel = chptr;
+ member->status = flags;
+
+ member->next_member = chptr->members;
+ if (member->next_member)
+ member->next_member->prev_member = member;
+ member->prev_member = 0;
+ chptr->members = member;
+
+ member->next_channel = (cli_user(who))->channel;
+ if (member->next_channel)
+ member->next_channel->prev_channel = member;
+ member->prev_channel = 0;
+ (cli_user(who))->channel = member;
+
+ ++chptr->users;
+ ++((cli_user(who))->joined);
+ }
+}
- if (who->user)
- {
- ptr = make_link();
- ptr->value.cptr = who;
- ptr->flags = flags;
- ptr->next = chptr->members;
- chptr->members = ptr;
- chptr->users++;
-
- ptr = make_link();
- ptr->value.chptr = chptr;
- ptr->next = who->user->channel;
- who->user->channel = ptr;
- who->user->joined++;
+static int remove_member_from_channel(struct Membership* member)
+{
+ struct Channel* chptr;
+ assert(0 != member);
+ chptr = member->channel;
+ /*
+ * unlink channel member list
+ */
+ if (member->next_member)
+ member->next_member->prev_member = member->prev_member;
+ if (member->prev_member)
+ member->prev_member->next_member = member->next_member;
+ else
+ member->channel->members = member->next_member;
+
+ /*
+ * unlink client channel list
+ */
+ if (member->next_channel)
+ member->next_channel->prev_channel = member->prev_channel;
+ if (member->prev_channel)
+ member->prev_channel->next_channel = member->next_channel;
+ else
+ (cli_user(member->user))->channel = member->next_channel;
+
+ --(cli_user(member->user))->joined;
+
+ member->next_member = membershipFreeList;
+ membershipFreeList = member;
+
+ return sub1_from_channel(chptr);
+}
+
+static int channel_all_zombies(struct Channel* chptr)
+{
+ struct Membership* member;
+
+ for (member = chptr->members; member; member = member->next_member) {
+ if (!IsZombie(member))
+ return 0;
}
+ return 1;
}
+
-void remove_user_from_channel(aClient *sptr, aChannel *chptr)
+void remove_user_from_channel(struct Client* cptr, struct Channel* chptr)
{
- Reg1 Link **curr;
- Reg2 Link *tmp;
- Reg3 Link *lp = chptr->members;
+
+ struct Membership* member;
+ assert(0 != chptr);
- for (; lp && (lp->flags & CHFL_ZOMBIE || lp->value.cptr == sptr);
- lp = lp->next);
- for (;;)
- {
- for (curr = &chptr->members; (tmp = *curr); curr = &tmp->next)
- if (tmp->value.cptr == sptr)
- {
- *curr = tmp->next;
- free_link(tmp);
- break;
- }
- for (curr = &sptr->user->channel; (tmp = *curr); curr = &tmp->next)
- if (tmp->value.chptr == chptr)
- {
- *curr = tmp->next;
- free_link(tmp);
- break;
+ if ((member = find_member_link(chptr, cptr))) {
+ if (remove_member_from_channel(member)) {
+ if (channel_all_zombies(chptr)) {
+ /*
+ * XXX - this looks dangerous but isn't if we got the referential
+ * integrity right for channels
+ */
+ while (remove_member_from_channel(chptr->members))
+ ;
}
- sptr->user->joined--;
- if (lp)
- break;
- if (chptr->members)
- sptr = chptr->members->value.cptr;
- else
- break;
- sub1_from_channel(chptr);
+ }
}
- sub1_from_channel(chptr);
}
-int is_chan_op(aClient *cptr, aChannel *chptr)
+void remove_user_from_all_channels(struct Client* cptr)
{
- Reg1 Link *lp;
+ struct Membership* chan;
+ assert(0 != cptr);
+ assert(0 != cli_user(cptr));
- if (chptr)
- if ((lp = find_user_link(chptr->members, cptr)) &&
- !(lp->flags & CHFL_ZOMBIE))
- return (lp->flags & CHFL_CHANOP);
+ while ((chan = (cli_user(cptr))->channel))
+ remove_user_from_channel(cptr, chan->channel);
+}
+
+int is_chan_op(struct Client *cptr, struct Channel *chptr)
+{
+ struct Membership* member;
+ assert(chptr);
+ if ((member = find_member_link(chptr, cptr)))
+ return (!IsZombie(member) && IsChanOp(member));
return 0;
}
-static int is_deopped(aClient *cptr, aChannel *chptr)
+static int is_deopped(struct Client *cptr, struct Channel *chptr)
{
- Reg1 Link *lp;
+ struct Membership* member;
- if (chptr)
- if ((lp = find_user_link(chptr->members, cptr)))
- return (lp->flags & CHFL_DEOPPED);
+ assert(0 != chptr);
+ if ((member = find_member_link(chptr, cptr)))
+ return IsDeopped(member);
return (IsUser(cptr) ? 1 : 0);
}
-int is_zombie(aClient *cptr, aChannel *chptr)
+int is_zombie(struct Client *cptr, struct Channel *chptr)
{
- Reg1 Link *lp;
+ struct Membership* member;
- if (chptr)
- if ((lp = find_user_link(chptr->members, cptr)))
- return (lp->flags & CHFL_ZOMBIE);
+ assert(0 != chptr);
+ if ((member = find_member_link(chptr, cptr)))
+ return IsZombie(member);
return 0;
}
-int has_voice(aClient *cptr, aChannel *chptr)
+int has_voice(struct Client* cptr, struct Channel* chptr)
{
- Reg1 Link *lp;
+ struct Membership* member;
- if (chptr)
- if ((lp = find_user_link(chptr->members, cptr)) &&
- !(lp->flags & CHFL_ZOMBIE))
- return (lp->flags & CHFL_VOICE);
+ assert(0 != chptr);
+ if ((member = find_member_link(chptr, cptr)))
+ return (!IsZombie(member) && HasVoice(member));
return 0;
}
-int can_send(aClient *cptr, aChannel *chptr)
+int member_can_send_to_channel(struct Membership* member)
{
- Reg1 Link *lp;
+ assert(0 != member);
- lp = IsMember(cptr, chptr);
+ if (IsVoicedOrOpped(member))
+ return 1;
+ /*
+ * If it's moderated, and you aren't a priviledged user, you can't
+ * speak.
+ */
+ if (member->channel->mode.mode & MODE_MODERATED)
+ return 0;
+ /*
+ * If you're banned then you can't speak either.
+ * but because of the amount of CPU time that is_banned chews
+ * we only check it for our clients.
+ */
+ if (MyUser(member->user) && is_banned(member->user, member->channel, member))
+ return 0;
+ return 1;
+}
- if ((!lp || !(lp->flags & (CHFL_CHANOP | CHFL_VOICE)) ||
- (lp->flags & CHFL_ZOMBIE)) && MyUser(cptr) && is_banned(cptr, chptr, lp))
- return (MODE_BAN);
+int client_can_send_to_channel(struct Client *cptr, struct Channel *chptr)
+{
+ struct Membership *member;
+ assert(0 != cptr);
+ /*
+ * Servers can always speak on channels.
+ */
+ if (IsServer(cptr))
+ return 1;
- if (chptr->mode.mode & MODE_MODERATED &&
- (!lp || !(lp->flags & (CHFL_CHANOP | CHFL_VOICE)) ||
- (lp->flags & CHFL_ZOMBIE)))
- return (MODE_MODERATED);
+ member = find_channel_member(cptr, chptr);
- if (!lp && ((chptr->mode.mode & MODE_NOPRIVMSGS) ||
- IsModelessChannel(chptr->chname)))
- return (MODE_NOPRIVMSGS);
+ /*
+ * You can't speak if your off channel, if the channel is modeless, or
+ * +n (no external messages) or +m (moderated).
+ */
+ if (!member) {
+ if ((chptr->mode.mode & (MODE_NOPRIVMSGS|MODE_MODERATED))
+ || IsModelessChannel(chptr->chname))
+ return 0;
+ else
+ return 1;
+ }
+ return member_can_send_to_channel(member);
+}
+/*
+ * find_no_nickchange_channel
+ * if a member and not opped or voiced and banned
+ * return the name of the first channel banned on
+ */
+const char* find_no_nickchange_channel(struct Client* cptr)
+{
+ if (MyUser(cptr)) {
+ struct Membership* member;
+ for (member = (cli_user(cptr))->channel; member;
+ member = member->next_channel) {
+ if (!IsVoicedOrOpped(member) && is_banned(cptr, member->channel, member))
+ return member->channel->chname;
+ }
+ }
return 0;
}
+
/*
* write the "simple" list of channel modes for channel chptr onto buffer mbuf
* with the parameters in pbuf.
*/
-static void channel_modes(aClient *cptr, char *mbuf, char *pbuf,
- aChannel *chptr)
+void channel_modes(struct Client *cptr, char *mbuf, char *pbuf,
+ struct Channel *chptr)
{
+ assert(0 != mbuf);
+ assert(0 != pbuf);
+ assert(0 != chptr);
+
*mbuf++ = '+';
if (chptr->mode.mode & MODE_SECRET)
*mbuf++ = 's';
*mbuf++ = 'i';
if (chptr->mode.mode & MODE_NOPRIVMSGS)
*mbuf++ = 'n';
- if (chptr->mode.limit)
- {
+ if (chptr->mode.limit) {
*mbuf++ = 'l';
- sprintf_irc(pbuf, "%d", chptr->mode.limit);
+ ircd_snprintf(0, pbuf, sizeof(pbuf), "%d", chptr->mode.limit);
}
- if (*chptr->mode.key)
- {
+
+ if (*chptr->mode.key) {
*mbuf++ = 'k';
- if (is_chan_op(cptr, chptr) || IsServer(cptr))
- {
- if (chptr->mode.limit)
- strcat(pbuf, " ");
+ if (chptr->mode.limit)
+ strcat(pbuf, " ");
+ if (is_chan_op(cptr, chptr) || IsServer(cptr)) {
strcat(pbuf, chptr->mode.key);
- }
+ } else
+ strcat(pbuf, "*");
}
*mbuf = '\0';
- return;
-}
-
-static int send_mode_list(aClient *cptr, char *chname, time_t creationtime,
- Link *top, int mask, char flag)
-{
- Reg1 Link *lp;
- Reg2 char *cp, *name;
- int count = 0, send = 0, sent = 0;
-
- cp = modebuf + strlen(modebuf);
- if (*parabuf) /* mode +l or +k xx */
- count = 1;
- for (lp = top; lp; lp = lp->next)
- {
- if (!(lp->flags & mask))
- continue;
- if (mask == CHFL_BAN)
- name = lp->value.ban.banstr;
- else
- name = lp->value.cptr->name;
- if (strlen(parabuf) + strlen(name) + 11 < (size_t)MODEBUFLEN)
- {
- strcat(parabuf, " ");
- strcat(parabuf, name);
- count++;
- *cp++ = flag;
- *cp = '\0';
- }
- else if (*parabuf)
- send = 1;
- if (count == 6)
- send = 1;
- if (send)
- {
- /* cptr is always a server! So we send creationtimes */
- sendmodeto_one(cptr, me.name, chname, modebuf, parabuf, creationtime);
- sent = 1;
- send = 0;
- *parabuf = '\0';
- cp = modebuf;
- *cp++ = '+';
- if (count != 6)
- {
- strcpy(parabuf, name);
- *cp++ = flag;
- }
- count = 0;
- *cp = '\0';
- }
- }
- return sent;
}
/*
* send "cptr" a full list of the modes for channel chptr.
*/
-void send_channel_modes(aClient *cptr, aChannel *chptr)
+void send_channel_modes(struct Client *cptr, struct Channel *chptr)
{
- int sent;
+ static unsigned int current_flags[4] =
+ { 0, CHFL_CHANOP | CHFL_VOICE, CHFL_VOICE, CHFL_CHANOP };
+ int first = 1;
+ int full = 1;
+ int flag_cnt = 0;
+ int new_mode = 0;
+ size_t len;
+ struct Membership* member;
+ struct SLink* lp2;
+ char modebuf[MODEBUFLEN];
+ char parabuf[MODEBUFLEN];
+ struct MsgBuf *mb;
+
+ assert(0 != cptr);
+ assert(0 != chptr);
+
if (IsLocalChannel(chptr->chname))
return;
+ member = chptr->members;
+ lp2 = chptr->banlist;
+
*modebuf = *parabuf = '\0';
channel_modes(cptr, modebuf, parabuf, chptr);
- if (Protocol(cptr) < 10)
+ for (first = 1; full; first = 0) /* Loop for multiple messages */
{
- sent = send_mode_list(cptr, chptr->chname, chptr->creationtime,
- chptr->members, CHFL_CHANOP, 'o');
- if (!sent && chptr->creationtime)
- sendto_one(cptr, ":%s MODE %s %s %s " TIME_T_FMT, me.name,
- chptr->chname, modebuf, parabuf, chptr->creationtime);
- else if (modebuf[1] || *parabuf)
- sendmodeto_one(cptr, me.name,
- chptr->chname, modebuf, parabuf, chptr->creationtime);
-
- *parabuf = '\0';
- *modebuf = '+';
- modebuf[1] = '\0';
- send_mode_list(cptr, chptr->chname, chptr->creationtime,
- chptr->banlist, CHFL_BAN, 'b');
- if (modebuf[1] || *parabuf)
- sendmodeto_one(cptr, me.name, chptr->chname, modebuf,
- parabuf, chptr->creationtime);
-
- *parabuf = '\0';
- *modebuf = '+';
- modebuf[1] = '\0';
- send_mode_list(cptr, chptr->chname, chptr->creationtime,
- chptr->members, CHFL_VOICE, 'v');
- if (modebuf[1] || *parabuf)
- sendmodeto_one(cptr, me.name, chptr->chname, modebuf,
- parabuf, chptr->creationtime);
- }
- else
- {
- static unsigned int current_flags[4] =
- { 0, CHFL_CHANOP | CHFL_VOICE, CHFL_VOICE, CHFL_CHANOP };
- int first = 1, full = 1, flag_cnt = 0, new_mode = 0;
- size_t len, sblen;
- Link *lp1 = chptr->members;
- Link *lp2 = chptr->banlist;
- for (first = 1; full; first = 0) /* Loop for multiple messages */
+ full = 0; /* Assume by default we get it
+ all in one message */
+
+ /* (Continued) prefix: "<Y> B <channel> <TS>" */
+ /* is there any better way we can do this? */
+ mb = msgq_make(&me, "%C " TOK_BURST " %H %Tu", &me, chptr,
+ chptr->creationtime);
+
+ if (first && modebuf[1]) /* Add simple modes (iklmnpst)
+ if first message */
{
- full = 0; /* Assume by default we get it
- all in one message */
+ /* prefix: "<Y> B <channel> <TS>[ <modes>[ <params>]]" */
+ msgq_append(&me, mb, " %s", modebuf);
- /* (Continued) prefix: "<Y> BURST <channel> <TS>" */
- sprintf_irc(sendbuf, "%s BURST %s " TIME_T_FMT, NumServ(&me),
- chptr->chname, chptr->creationtime);
- sblen = strlen(sendbuf);
+ if (*parabuf)
+ msgq_append(&me, mb, " %s", parabuf);
+ }
- if (first && modebuf[1]) /* Add simple modes (iklmnpst)
- if first message */
+ /*
+ * Attach nicks, comma seperated " nick[:modes],nick[:modes],..."
+ *
+ * Run 4 times over all members, to group the members with the
+ * same mode together
+ */
+ for (first = 1; flag_cnt < 4;
+ member = chptr->members, new_mode = 1, flag_cnt++)
+ {
+ for (; member; member = member->next_member)
{
- /* prefix: "<Y> BURST <channel> <TS>[ <modes>[ <params>]]" */
- sendbuf[sblen++] = ' ';
- strcpy(sendbuf + sblen, modebuf);
- sblen += strlen(modebuf);
- if (*parabuf)
- {
- sendbuf[sblen++] = ' ';
- strcpy(sendbuf + sblen, parabuf);
- sblen += strlen(parabuf);
- }
- }
+ if ((member->status & CHFL_VOICED_OR_OPPED) !=
+ current_flags[flag_cnt])
+ continue; /* Skip members with different flags */
+ if (msgq_bufleft(mb) < NUMNICKLEN + 4)
+ /* The 4 is a possible ",:ov" */
+ {
+ full = 1; /* Make sure we continue after
+ sending it so far */
+ new_mode = 1; /* Ensure the new BURST line contains the current
+ mode. --Gte */
+ break; /* Do not add this member to this message */
+ }
+ msgq_append(&me, mb, "%c%C", first ? ' ' : ',', member->user);
+ first = 0; /* From now on, us comma's to add new nicks */
- /* Attach nicks, comma seperated " nick[:modes],nick[:modes],..." */
- /* Run 4 times over all members, to group the members with the
- * same mode together */
- for (first = 1; flag_cnt < 4;
- lp1 = chptr->members, new_mode = 1, flag_cnt++)
- {
- for (; lp1; lp1 = lp1->next)
- {
- if ((lp1->flags & (CHFL_CHANOP | CHFL_VOICE)) !=
- current_flags[flag_cnt])
- continue; /* Skip members with different flags */
- if (sblen + NUMNICKLEN + 4 > BUFSIZE - 3)
- /* The 4 is a possible ",:ov"
- The -3 is for the "\r\n\0" that is added in send.c */
- {
- full = 1; /* Make sure we continue after
- sending it so far */
- break; /* Do not add this member to this message */
- }
- sendbuf[sblen++] = first ? ' ' : ',';
- first = 0; /* From now on, us comma's to add new nicks */
-
- sprintf_irc(sendbuf + sblen, "%s%s", NumNick(lp1->value.cptr));
- sblen += strlen(sendbuf + sblen);
-
- if (new_mode) /* Do we have a nick with a new mode ? */
- {
- new_mode = 0;
- sendbuf[sblen++] = ':';
- if (lp1->flags & CHFL_CHANOP)
- sendbuf[sblen++] = 'o';
- if (lp1->flags & CHFL_VOICE)
- sendbuf[sblen++] = 'v';
- }
- }
- if (full)
- break;
+ /*
+ * Do we have a nick with a new mode ?
+ * Or are we starting a new BURST line?
+ */
+ if (new_mode)
+ {
+ new_mode = 0;
+ if (IsVoicedOrOpped(member)) {
+ char tbuf[4] = ":";
+ int loc = 1;
+
+ if (IsChanOp(member))
+ tbuf[loc++] = 'o';
+ if (HasVoice(member))
+ tbuf[loc++] = 'v';
+ tbuf[loc] = '\0';
+ msgq_append(&me, mb, tbuf);
+ }
+ }
}
+ if (full)
+ break;
+ }
- if (!full)
+ if (!full)
+ {
+ /* Attach all bans, space seperated " :%ban ban ..." */
+ for (first = 2; lp2; lp2 = lp2->next)
{
- /* Attach all bans, space seperated " :%ban ban ..." */
- for (first = 2; lp2; lp2 = lp2->next)
- {
- len = strlen(lp2->value.ban.banstr);
- if (sblen + len + 1 + first > BUFSIZE - 3)
- /* The +1 stands for the added ' '.
- * The +first stands for the added ":%".
- * The -3 is for the "\r\n\0" that is added in send.c
- */
- {
- full = 1;
- break;
- }
- if (first)
- {
- first = 0;
- sendbuf[sblen++] = ' ';
- sendbuf[sblen++] = ':'; /* Will be last parameter */
- sendbuf[sblen++] = '%'; /* To tell bans apart */
- }
- else
- sendbuf[sblen++] = ' ';
- strcpy(sendbuf + sblen, lp2->value.ban.banstr);
- sblen += len;
- }
+ len = strlen(lp2->value.ban.banstr);
+ if (msgq_bufleft(mb) < len + 1 + first)
+ /* The +1 stands for the added ' '.
+ * The +first stands for the added ":%".
+ */
+ {
+ full = 1;
+ break;
+ }
+ msgq_append(&me, mb, " %s%s", first ? ":%" : "",
+ lp2->value.ban.banstr);
+ first = 0;
}
+ }
- sendbuf[sblen] = '\0';
- sendbufto_one(cptr); /* Send this message */
- } /* Continue when there was something
- that didn't fit (full==1) */
- }
+ send_buffer(cptr, mb, 0); /* Send this message */
+ msgq_clean(mb);
+ } /* Continue when there was something
+ that didn't fit (full==1) */
}
/*
- * m_mode
- * parv[0] - sender
- * parv[1] - channel
+ * pretty_mask
+ *
+ * by Carlo Wood (Run), 05 Oct 1998.
+ *
+ * Canonify a mask.
+ *
+ * When the nick is longer then NICKLEN, it is cut off (its an error of course).
+ * When the user name or host name are too long (USERLEN and HOSTLEN
+ * respectively) then they are cut off at the start with a '*'.
+ *
+ * The following transformations are made:
+ *
+ * 1) xxx -> nick!*@*
+ * 2) xxx.xxx -> *!*@host
+ * 3) xxx!yyy -> nick!user@*
+ * 4) xxx@yyy -> *!user@host
+ * 5) xxx!yyy@zzz -> nick!user@host
*/
-
-int m_mode(aClient *cptr, aClient *sptr, int parc, char *parv[])
-{
- int badop, sendts;
- aChannel *chptr;
-
- /* Now, try to find the channel in question */
- if (parc > 1)
- {
- chptr = FindChannel(parv[1]);
- if (chptr == NullChn)
- return m_umode(cptr, sptr, parc, parv);
- }
- else
- {
- sendto_one(sptr, err_str(ERR_NEEDMOREPARAMS), me.name, parv[0], "MODE");
- return 0;
- }
-
- sptr->flags &= ~FLAGS_TS8;
-
- if (MyUser(sptr))
- clean_channelname(parv[1]);
- else if (IsLocalChannel(parv[1]))
- return 0;
-
- /* sending an error wasnt good, lets just send an empty mode reply.. poptix */
- if (IsModelessChannel(chptr->chname))
- {
- if (IsUser(sptr))
- sendto_one(sptr, rpl_str(RPL_CHANNELMODEIS), me.name, parv[0],
- chptr->chname, "+nt", "");
- return 0;
- }
-
- if (parc < 3)
- {
- *modebuf = *parabuf = '\0';
- modebuf[1] = '\0';
- channel_modes(sptr, modebuf, parabuf, chptr);
- sendto_one(sptr, rpl_str(RPL_CHANNELMODEIS), me.name, parv[0],
- chptr->chname, modebuf, parabuf);
- sendto_one(sptr, rpl_str(RPL_CREATIONTIME), me.name, parv[0],
- chptr->chname, chptr->creationtime);
- return 0;
- }
-
- LocalChanOperMode = 0;
-
- if (!(sendts = set_mode(cptr, sptr, chptr, parc - 2, parv + 2,
- modebuf, parabuf, nparabuf, &badop)))
- {
- sendto_one(sptr, err_str(IsMember(sptr, chptr) ? ERR_CHANOPRIVSNEEDED :
- ERR_NOTONCHANNEL), me.name, parv[0], chptr->chname);
- return 0;
- }
-
- if (badop >= 2)
- send_hack_notice(cptr, sptr, parc, parv, badop, 1);
-
- if (strlen(modebuf) > (size_t)1 || sendts > 0)
- {
- if (badop != 2 && strlen(modebuf) > (size_t)1)
- {
-#ifdef OPER_MODE_LCHAN
- if (LocalChanOperMode) {
- sendto_channel_butserv(chptr, &me, ":%s MODE %s %s %s",
- me.name, chptr->chname, modebuf, parabuf);
- sendto_op_mask(SNO_HACK4,
- "OPER MODE: %s MODE %s %s %s",
- me.name,chptr->chname,modebuf,parabuf);
- }
- else
-#endif
- sendto_channel_butserv(chptr, sptr, ":%s MODE %s %s %s",
- parv[0], chptr->chname, modebuf, parabuf);
- }
- if (IsLocalChannel(chptr->chname))
- return 0;
- /* We send a creationtime of 0, to mark it as a hack --Run */
- if (IsServer(sptr) && (badop == 2 || sendts > 0))
- {
- if (*modebuf == '\0')
- strcpy(modebuf, "+");
- if (badop != 2)
- {
- sendto_lowprot_butone(cptr, 9, ":%s MODE %s %s %s " TIME_T_FMT,
- parv[0], chptr->chname, modebuf, parabuf,
- (badop == 4) ? (time_t) 0 : chptr->creationtime);
- sendto_highprot_butone(cptr, 10, ":%s MODE %s %s %s " TIME_T_FMT,
- parv[0], chptr->chname, modebuf, nparabuf,
- (badop == 4) ? (time_t) 0 : chptr->creationtime);
- }
- }
- else
- {
- sendto_lowprot_butone(cptr, 9, ":%s MODE %s %s %s",
- parv[0], chptr->chname, modebuf, parabuf);
- sendto_highprot_butone(cptr, 10, ":%s MODE %s %s %s",
- parv[0], chptr->chname, modebuf, nparabuf);
- }
- }
- return 0;
-}
-
-static int DoesOp(char *modebuf)
-{
- modebuf--; /* Is it possible that a mode
- starts with o and not +o ? */
- while (*++modebuf)
- if (*modebuf == 'o' || *modebuf == 'v')
- return (1);
- return 0;
-}
-
-/* This function should be removed when all servers are 2.10 */
-static void sendmodeto_one(aClient *cptr, char *from, char *name,
- char *mode, char *param, time_t creationtime)
-{
- if (IsServer(cptr) && DoesOp(mode) && creationtime)
- sendto_one(cptr, ":%s MODE %s %s %s " TIME_T_FMT,
- from, name, mode, param, creationtime);
- else
- sendto_one(cptr, ":%s MODE %s %s %s", from, name, mode, param);
-}
-
-/*
- * pretty_mask
- *
- * by Carlo Wood (Run), 05 Oct 1998.
- *
- * Canonify a mask.
- *
- * When the nick is longer then NICKLEN, it is cut off (its an error of course).
- * When the user name or host name are too long (USERLEN and HOSTLEN
- * respectively) then they are cut off at the start with a '*'.
- *
- * The following transformations are made:
- *
- * 1) xxx -> nick!*@*
- * 2) xxx.xxx -> *!*@host
- * 3) xxx!yyy -> nick!user@*
- * 4) xxx@yyy -> *!user@host
- * 5) xxx!yyy@zzz -> nick!user@host
- */
-char *pretty_mask(char *mask)
+char *pretty_mask(char *mask)
{
static char star[2] = { '*', 0 };
char *last_dot = NULL;
{
if (*ptr == '@')
{
- /* Case 4 or 5: Found last '@' */
- host = ptr + 1;
+ /* Case 4 or 5: Found last '@' */
+ host = ptr + 1;
}
}
break;
return make_nick_user_host(nick, user, host);
}
-static char bmodebuf[MODEBUFLEN], bparambuf[MODEBUFLEN];
-static char nbparambuf[MODEBUFLEN]; /* "Numeric" Bounce Parameter Buffer */
+static void send_ban_list(struct Client* cptr, struct Channel* chptr)
+{
+ struct SLink* lp;
-/*
- * Check and try to apply the channel modes passed in the parv array for
- * the client ccptr to channel chptr. The resultant changes are printed
- * into mbuf and pbuf (if any) and applied to the channel.
+ assert(0 != cptr);
+ assert(0 != chptr);
+
+ for (lp = chptr->banlist; lp; lp = lp->next)
+ send_reply(cptr, RPL_BANLIST, chptr->chname, lp->value.ban.banstr,
+ lp->value.ban.who, lp->value.ban.when);
+
+ send_reply(cptr, RPL_ENDOFBANLIST, chptr->chname);
+}
+
+/* We are now treating the <key> part of /join <channel list> <key> as a key
+ * ring; that is, we try one key against the actual channel key, and if that
+ * doesn't work, we try the next one, and so on. -Kev -Texaco
+ * Returns: 0 on match, 1 otherwise
+ * This version contributed by SeKs <intru@info.polymtl.ca>
*/
-static int set_mode(aClient *cptr, aClient *sptr, aChannel *chptr, int parc,
- char *parv[], char *mbuf, char *pbuf, char *npbuf, int *badop)
+static int compall(char *key, char *keyring)
{
- static Link chops[MAXPARA - 2]; /* This size is only needed when a broken
- server sends more then MAXMODEPARAMS
- parameters */
- static int flags[] = {
- MODE_PRIVATE, 'p', MODE_SECRET, 's',
- MODE_MODERATED, 'm', MODE_NOPRIVMSGS, 'n',
- MODE_TOPICLIMIT, 't', MODE_INVITEONLY, 'i',
- MODE_VOICE, 'v', MODE_KEY, 'k',
- 0x0, 0x0
- };
+ char *p1;
+
+top:
+ p1 = key; /* point to the key... */
+ while (*p1 && *p1 == *keyring)
+ { /* step through the key and ring until they
+ don't match... */
+ p1++;
+ keyring++;
+ }
- Reg1 Link *lp;
- Reg2 char *curr = parv[0], *cp = NULL;
- Reg3 int *ip;
- Link *member, *tmp = NULL;
- unsigned int whatt = MODE_ADD, bwhatt = 0;
- int limitset = 0, bounce, add_banid_called = 0;
- size_t len, nlen, blen, nblen;
- int keychange = 0;
- unsigned int nusers = 0, newmode;
- int opcnt = 0, banlsent = 0;
- int doesdeop = 0, doesop = 0, hacknotice = 0, change, gotts = 0;
- aClient *who;
- Mode *mode, oldm;
- static char numeric[16];
- char *bmbuf = bmodebuf, *bpbuf = bparambuf, *nbpbuf = nbparambuf;
- time_t newtime = (time_t) 0;
- aConfItem *aconf;
-
- *mbuf = *pbuf = *npbuf = *bmbuf = *bpbuf = *nbpbuf = '\0';
- *badop = 0;
- if (parc < 1)
+ if (!*p1 && (!*keyring || *keyring == ','))
+ /* ok, if we're at the end of the and also at the end of one of the keys
+ in the keyring, we have a match */
return 0;
- mode = &(chptr->mode);
- memcpy(&oldm, mode, sizeof(Mode));
+ if (!*keyring) /* if we're at the end of the key ring, there
+ weren't any matches, so we return 1 */
+ return 1;
+
+ /* Not at the end of the key ring, so step
+ through to the next key in the ring: */
+ while (*keyring && *(keyring++) != ',');
+
+ goto top; /* and check it against the key */
+}
+
+int can_join(struct Client *sptr, struct Channel *chptr, char *key)
+{
+ struct SLink *lp;
+ int overrideJoin = 0;
+
/*
- * Mode is accepted when sptr is a channel operator
- * but also when the mode is received from a server.
- * At this point, let any member pass, so they are allowed
- * to see the bans.
+ * Now a banned user CAN join if invited -- Nemesi
+ * Now a user CAN escape channel limit if invited -- bfriendly
+ * Now a user CAN escape anything if invited -- Isomer
*/
- if (!(IsServer(cptr) || (tmp = IsMember(sptr, chptr))))
- return 0;
-#ifdef OPER_MODE_LCHAN
- if (IsOperOnLocalChannel(sptr, chptr->chname) && !(tmp->flags & CHFL_CHANOP))
- LocalChanOperMode = 1;
-#endif
+ for (lp = (cli_user(sptr))->invited; lp; lp = lp->next)
+ if (lp->value.chptr == chptr)
+ return 0;
+
+ /* An oper can force a join on a local channel using "OVERRIDE" as the key.
+ a HACK(4) notice will be sent if he would not have been supposed
+ to join normally. */
+ if (IsLocalChannel(chptr->chname) && HasPriv(sptr, PRIV_WALK_LCHAN) &&
+ !BadPtr(key) && compall("OVERRIDE",key) == 0)
+ overrideJoin = MAGIC_OPER_OVERRIDE;
- newmode = mode->mode;
+ if (chptr->mode.mode & MODE_INVITEONLY)
+ return overrideJoin + ERR_INVITEONLYCHAN;
+
+ if (chptr->mode.limit && chptr->users >= chptr->mode.limit)
+ return overrideJoin + ERR_CHANNELISFULL;
+
+ if (is_banned(sptr, chptr, NULL))
+ return overrideJoin + ERR_BANNEDFROMCHAN;
+
+ /*
+ * now using compall (above) to test against a whole key ring -Kev
+ */
+ if (*chptr->mode.key && (EmptyString(key) || compall(chptr->mode.key, key)))
+ return overrideJoin + ERR_BADCHANNELKEY;
- while (curr && *curr)
- {
- switch (*curr)
- {
- case '+':
- whatt = MODE_ADD;
- break;
- case '-':
- whatt = MODE_DEL;
- break;
- case 'o':
- case 'v':
- if (--parc <= 0)
- break;
- parv++;
- if (MyUser(sptr) && opcnt >= MAXMODEPARAMS)
- break;
- /*
- * Check for nickname changes and try to follow these
- * to make sure the right client is affected by the
- * mode change.
- * Even if we find a nick with find_chasing() there
- * is still a reason to ignore in a special case.
- * We need to ignore the mode when:
- * - It is part of a net.burst (from a server and
- * a MODE_ADD). Ofcourse we don't ignore mode
- * changes from Uworld.
- * - The found nick is not on the right side off
- * the net.junction.
- * This fixes the bug that when someone (tries to)
- * ride a net.break and does so with the nick of
- * someone on the otherside, that he is nick collided
- * (killed) but his +o still ops the other person.
- */
- if (MyUser(sptr) || Protocol(cptr) < 10)
- {
- if (!(who = find_chasing(sptr, parv[0], NULL)))
- break;
- }
- else
- {
- if (!(who = findNUser(parv[0])))
- break;
- }
- if (whatt == MODE_ADD && IsServer(sptr) && who->from != sptr->from &&
- !find_conf_host(cptr->confs, sptr->name, CONF_UWORLD))
- break;
- if (!(member = find_user_link(chptr->members, who)) ||
- (MyUser(sptr) && (member->flags & CHFL_ZOMBIE)))
- {
- sendto_one(cptr, err_str(ERR_USERNOTINCHANNEL),
- me.name, cptr->name, who->name, chptr->chname);
- break;
- }
- /* if the user is +k, prevent a deop from local user */
- if (whatt == MODE_DEL && IsChannelService(who) &&
- MyUser(cptr) && *curr == 'o')
- {
- sendto_one(cptr, err_str(ERR_ISCHANSERVICE), me.name,
- cptr->name, parv[0], chptr->chname);
- break;
- }
-#ifdef NO_OPER_DEOP_LCHAN
- /*
- * if the user is an oper on a local channel, prevent him
- * from being deoped. that oper can deop himself though.
- */
- if (whatt == MODE_DEL && IsOperOnLocalChannel(who, chptr->chname) &&
- (who != sptr) && MyUser(cptr) && *curr == 'o')
- {
- sendto_one(cptr, err_str(ERR_ISOPERLCHAN), me.name,
- cptr->name, parv[0], chptr->chname);
- break;
- }
-#endif
- if (whatt == MODE_ADD)
- {
- lp = &chops[opcnt++];
- lp->value.cptr = who;
- if (IsServer(sptr) && (!(who->flags & FLAGS_TS8) || ((*curr == 'o') &&
- !(member->flags & (CHFL_SERVOPOK | CHFL_CHANOP)))))
- *badop = ((member->flags & CHFL_DEOPPED) && (*curr == 'o')) ? 2 : 3;
- lp->flags = (*curr == 'o') ? MODE_CHANOP : MODE_VOICE;
- lp->flags |= MODE_ADD;
- }
- else if (whatt == MODE_DEL)
- {
- lp = &chops[opcnt++];
- lp->value.cptr = who;
- doesdeop = 1; /* Also when -v */
- lp->flags = (*curr == 'o') ? MODE_CHANOP : MODE_VOICE;
- lp->flags |= MODE_DEL;
- }
- if (*curr == 'o')
- doesop = 1;
- break;
- case 'k':
- if (--parc <= 0)
- break;
- parv++;
- /* check now so we eat the parameter if present */
- if (keychange)
- break;
- else
- {
- char *s = &(*parv)[-1];
- unsigned short count = KEYLEN + 1;
-
- while (*++s > ' ' && *s != ':' && --count);
- *s = '\0';
- if (!**parv) /* nothing left in key */
- break;
- }
- if (MyUser(sptr) && opcnt >= MAXMODEPARAMS)
- break;
- if (whatt == MODE_ADD)
- {
- if (*mode->key && !IsServer(cptr))
- sendto_one(cptr, err_str(ERR_KEYSET),
- me.name, cptr->name, chptr->chname);
- else if (!*mode->key || IsServer(cptr))
- {
- lp = &chops[opcnt++];
- lp->value.cp = *parv;
- if (strlen(lp->value.cp) > (size_t)KEYLEN)
- lp->value.cp[KEYLEN] = '\0';
- lp->flags = MODE_KEY | MODE_ADD;
- keychange = 1;
- }
- }
- else if (whatt == MODE_DEL)
- {
- if (strCasediff(mode->key, *parv) == 0 || IsServer(cptr))
- {
- lp = &chops[opcnt++];
- lp->value.cp = mode->key;
- lp->flags = MODE_KEY | MODE_DEL;
- keychange = 1;
- }
- }
- break;
- case 'b':
- if (--parc <= 0)
- {
- if (banlsent) /* Only send it once */
- break;
- for (lp = chptr->banlist; lp; lp = lp->next)
- sendto_one(cptr, rpl_str(RPL_BANLIST), me.name, cptr->name,
- chptr->chname, lp->value.ban.banstr, lp->value.ban.who,
- lp->value.ban.when);
- sendto_one(cptr, rpl_str(RPL_ENDOFBANLIST), me.name, cptr->name,
- chptr->chname);
- banlsent = 1;
- break;
- }
- parv++;
- if (BadPtr(*parv))
- break;
- if (MyUser(sptr))
- {
- if ((cp = strchr(*parv, ' ')))
- *cp = 0;
- if (opcnt >= MAXMODEPARAMS || **parv == ':' || **parv == '\0')
- break;
- }
- if (whatt == MODE_ADD)
- {
- lp = &chops[opcnt++];
- lp->value.cp = *parv;
- lp->flags = MODE_ADD | MODE_BAN;
- }
- else if (whatt == MODE_DEL)
- {
- lp = &chops[opcnt++];
- lp->value.cp = *parv;
- lp->flags = MODE_DEL | MODE_BAN;
- }
- break;
- case 'l':
- /*
- * limit 'l' to only *1* change per mode command but
- * eat up others.
- */
- if (limitset)
- {
- if (whatt == MODE_ADD && --parc > 0)
- parv++;
- break;
- }
- if (whatt == MODE_DEL)
- {
- limitset = 1;
- nusers = 0;
- break;
- }
- if (--parc > 0)
- {
- if (BadPtr(*parv))
- break;
- if (MyUser(sptr) && opcnt >= MAXMODEPARAMS)
- break;
- if (!(nusers = atoi(*++parv)))
- continue;
- lp = &chops[opcnt++];
- lp->flags = MODE_ADD | MODE_LIMIT;
- limitset = 1;
- break;
- }
- sendto_one(cptr, err_str(ERR_NEEDMOREPARAMS),
- me.name, cptr->name, "MODE +l");
- break;
- case 'i': /* falls through for default case */
- if (whatt == MODE_DEL)
- while ((lp = chptr->invites))
- del_invite(lp->value.cptr, chptr);
- default:
- for (ip = flags; *ip; ip += 2)
- if (*(ip + 1) == *curr)
- break;
-
- if (*ip)
- {
- if (whatt == MODE_ADD)
- {
- if (*ip == MODE_PRIVATE)
- newmode &= ~MODE_SECRET;
- else if (*ip == MODE_SECRET)
- newmode &= ~MODE_PRIVATE;
- newmode |= *ip;
- }
- else
- newmode &= ~*ip;
- }
- else if (!IsServer(cptr))
- sendto_one(cptr, err_str(ERR_UNKNOWNMODE),
- me.name, cptr->name, *curr);
- break;
+ if (overrideJoin)
+ return ERR_DONTCHEAT;
+
+ return 0;
+}
+
+/*
+ * Remove bells and commas from channel name
+ */
+void clean_channelname(char *cn)
+{
+ int i;
+
+ for (i = 0; cn[i]; i++) {
+ if (i >= CHANNELLEN || !IsChannelChar(cn[i])) {
+ cn[i] = '\0';
+ return;
}
- curr++;
- /*
- * Make sure mode strings such as "+m +t +p +i" are parsed
- * fully.
- */
- if (!*curr && parc > 0)
- {
- curr = *++parv;
- parc--;
- /* If this was from a server, and it is the last
- * parameter and it starts with a digit, it must
- * be the creationtime. --Run
+ if (IsChannelLower(cn[i])) {
+ cn[i] = ToLower(cn[i]);
+#ifndef FIXME
+ /*
+ * Remove for .08+
+ * toupper(0xd0)
*/
- if (IsServer(sptr))
- {
- if (parc == 1 && isDigit(*curr))
- {
- newtime = atoi(curr);
- if (newtime && chptr->creationtime == MAGIC_REMOTE_JOIN_TS)
- {
- chptr->creationtime = newtime;
- *badop = 0;
- }
- gotts = 1;
- if (newtime == 0)
- {
- *badop = 2;
- hacknotice = 1;
- }
- else if (newtime > chptr->creationtime)
- { /* It is a net-break ride if we have ops.
- bounce modes if we have ops. --Run */
- if (doesdeop)
- *badop = 2;
- else if (chptr->creationtime == 0)
- {
- if (chptr->creationtime == 0 || doesop)
- chptr->creationtime = newtime;
- *badop = 0;
- }
- /* Bounce: */
- else
- *badop = 1;
- }
- /*
- * A legal *badop can occur when two
- * people join simultaneously a channel,
- * Allow for 10 min of lag (and thus hacking
- * on channels younger then 10 min) --Run
- */
- else if (*badop == 0 ||
- chptr->creationtime > (TStime() - TS_LAG_TIME))
- {
- if (newtime < chptr->creationtime)
- chptr->creationtime = newtime;
- *badop = 0;
- }
- break;
- }
- }
- else
- *badop = 0;
+ if ((unsigned char)(cn[i]) == 0xd0)
+ cn[i] = (char) 0xf0;
+#endif
}
- } /* end of while loop for MODE processing */
+ }
+}
- /*
- * Now reject non chan ops. Accept modes from opers on local channels
- * even if they are deopped
- */
-#ifdef OPER_MODE_LCHAN
- if (!IsServer(cptr) &&
- (!tmp || !((tmp->flags & CHFL_CHANOP) ||
- IsOperOnLocalChannel(sptr, chptr->chname))))
-#else
- if (!IsServer(cptr) && (!tmp || !(tmp->flags & CHFL_CHANOP)))
-#endif
+/*
+ * Get Channel block for i (and allocate a new channel
+ * block, if it didn't exists before).
+ */
+struct Channel *get_channel(struct Client *cptr, char *chname, ChannelGetType flag)
+{
+ struct Channel *chptr;
+ int len;
+
+ if (EmptyString(chname))
+ return NULL;
+
+ len = strlen(chname);
+ if (MyUser(cptr) && len > CHANNELLEN)
+ {
+ len = CHANNELLEN;
+ *(chname + CHANNELLEN) = '\0';
+ }
+ if ((chptr = FindChannel(chname)))
+ return (chptr);
+ if (flag == CGT_CREATE)
{
- *badop = 0;
- return (opcnt || newmode != mode->mode || limitset || keychange) ? 0 : -1;
+ chptr = (struct Channel*) MyMalloc(sizeof(struct Channel) + len);
+ assert(0 != chptr);
+ ++UserStats.channels;
+ memset(chptr, 0, sizeof(struct Channel));
+ strcpy(chptr->chname, chname);
+ if (GlobalChannelList)
+ GlobalChannelList->prev = chptr;
+ chptr->prev = NULL;
+ chptr->next = GlobalChannelList;
+ chptr->creationtime = MyUser(cptr) ? TStime() : (time_t) 0;
+ GlobalChannelList = chptr;
+ hAddChannel(chptr);
}
+ return chptr;
+}
- if (doesop && newtime == 0 && IsServer(sptr))
- *badop = 2;
+void add_invite(struct Client *cptr, struct Channel *chptr)
+{
+ struct SLink *inv, **tmp;
- if (*badop >= 2 &&
- (aconf = find_conf_host(cptr->confs, sptr->name, CONF_UWORLD)))
- *badop = 4;
+ del_invite(cptr, chptr);
+ /*
+ * Delete last link in chain if the list is max length
+ */
+ assert(list_length((cli_user(cptr))->invited) == (cli_user(cptr))->invites);
+ if ((cli_user(cptr))->invites >= feature_int(FEAT_MAXCHANNELSPERUSER))
+ del_invite(cptr, (cli_user(cptr))->invited->value.chptr);
+ /*
+ * Add client to channel invite list
+ */
+ inv = make_link();
+ inv->value.cptr = cptr;
+ inv->next = chptr->invites;
+ chptr->invites = inv;
+ /*
+ * Add channel to the end of the client invite list
+ */
+ for (tmp = &((cli_user(cptr))->invited); *tmp; tmp = &((*tmp)->next));
+ inv = make_link();
+ inv->value.chptr = chptr;
+ inv->next = NULL;
+ (*tmp) = inv;
+ (cli_user(cptr))->invites++;
+}
-#ifdef OPER_MODE_LCHAN
- bounce = (*badop == 1 || *badop == 2 ||
- (is_deopped(sptr, chptr) &&
- !IsOperOnLocalChannel(sptr, chptr->chname))) ? 1 : 0;
-#else
- bounce = (*badop == 1 || *badop == 2 || is_deopped(sptr, chptr)) ? 1 : 0;
-#endif
+/*
+ * Delete Invite block from channel invite list and client invite list
+ */
+void del_invite(struct Client *cptr, struct Channel *chptr)
+{
+ struct SLink **inv, *tmp;
- whatt = 0;
- for (ip = flags; *ip; ip += 2)
- if ((*ip & newmode) && !(*ip & oldm.mode))
+ for (inv = &(chptr->invites); (tmp = *inv); inv = &tmp->next)
+ if (tmp->value.cptr == cptr)
{
- if (bounce)
- {
- if (bwhatt != MODE_DEL)
- {
- *bmbuf++ = '-';
- bwhatt = MODE_DEL;
- }
- *bmbuf++ = *(ip + 1);
- }
- else
- {
- if (whatt != MODE_ADD)
- {
- *mbuf++ = '+';
- whatt = MODE_ADD;
- }
- mode->mode |= *ip;
- *mbuf++ = *(ip + 1);
- }
+ *inv = tmp->next;
+ free_link(tmp);
+ tmp = 0;
+ (cli_user(cptr))->invites--;
+ break;
}
- for (ip = flags; *ip; ip += 2)
- if ((*ip & oldm.mode) && !(*ip & newmode))
+ for (inv = &((cli_user(cptr))->invited); (tmp = *inv); inv = &tmp->next)
+ if (tmp->value.chptr == chptr)
{
- if (bounce)
- {
- if (bwhatt != MODE_ADD)
- {
- *bmbuf++ = '+';
- bwhatt = MODE_ADD;
- }
- *bmbuf++ = *(ip + 1);
- }
- else
- {
- if (whatt != MODE_DEL)
- {
- *mbuf++ = '-';
- whatt = MODE_DEL;
- }
- mode->mode &= ~*ip;
- *mbuf++ = *(ip + 1);
- }
+ *inv = tmp->next;
+ free_link(tmp);
+ tmp = 0;
+ break;
}
+}
- blen = nblen = 0;
- if (limitset && !nusers && mode->limit)
+/* List and skip all channels that are listen */
+void list_next_channels(struct Client *cptr, int nr)
+{
+ struct ListingArgs *args = cli_listing(cptr);
+ struct Channel *chptr = args->chptr;
+ chptr->mode.mode &= ~MODE_LISTED;
+ while (is_listed(chptr) || --nr >= 0)
{
- if (bounce)
+ for (; chptr; chptr = chptr->next)
{
- if (bwhatt != MODE_ADD)
+ if (!cli_user(cptr) || (SecretChannel(chptr) && !find_channel_member(cptr, chptr)))
+ continue;
+ if (chptr->users > args->min_users && chptr->users < args->max_users &&
+ chptr->creationtime > args->min_time &&
+ chptr->creationtime < args->max_time &&
+ (!args->topic_limits || (*chptr->topic &&
+ chptr->topic_time > args->min_topic_time &&
+ chptr->topic_time < args->max_topic_time)))
{
- *bmbuf++ = '+';
- bwhatt = MODE_ADD;
+ if (ShowChannel(cptr,chptr))
+ send_reply(cptr, RPL_LIST, chptr->chname, chptr->users,
+ chptr->topic);
+ chptr = chptr->next;
+ break;
}
- *bmbuf++ = 'l';
- sprintf(numeric, "%-15d", mode->limit);
- if ((cp = strchr(numeric, ' ')))
- *cp = '\0';
- strcat(bpbuf, numeric);
- blen += strlen(numeric);
- strcat(bpbuf, " ");
- strcat(nbpbuf, numeric);
- nblen += strlen(numeric);
- strcat(nbpbuf, " ");
}
- else
+ if (!chptr)
{
- if (whatt != MODE_DEL)
- {
- *mbuf++ = '-';
- whatt = MODE_DEL;
- }
- mode->mode &= ~MODE_LIMIT;
- mode->limit = 0;
- *mbuf++ = 'l';
+ MyFree(cli_listing(cptr));
+ cli_listing(cptr) = NULL;
+ send_reply(cptr, RPL_LISTEND);
+ break;
}
}
- /*
- * Reconstruct "+bkov" chain.
- */
- if (opcnt)
+ if (chptr)
{
- Reg1 int i = 0;
- Reg2 char c = 0;
- unsigned int prev_whatt = 0;
-
- for (; i < opcnt; i++)
- {
- lp = &chops[i];
- /*
- * make sure we have correct mode change sign
- */
- if (whatt != (lp->flags & (MODE_ADD | MODE_DEL)))
- {
- if (lp->flags & MODE_ADD)
- {
- *mbuf++ = '+';
- prev_whatt = whatt;
- whatt = MODE_ADD;
- }
- else
- {
- *mbuf++ = '-';
- prev_whatt = whatt;
- whatt = MODE_DEL;
- }
- }
- len = strlen(pbuf);
- nlen = strlen(npbuf);
- /*
- * get c as the mode char and tmp as a pointer to
- * the parameter for this mode change.
- */
- switch (lp->flags & MODE_WPARAS)
- {
- case MODE_CHANOP:
- c = 'o';
- cp = lp->value.cptr->name;
- break;
- case MODE_VOICE:
- c = 'v';
- cp = lp->value.cptr->name;
- break;
- case MODE_BAN:
- /*
- * I made this a bit more user-friendly (tm):
- * nick = nick!*@*
- * nick!user = nick!user@*
- * user@host = *!user@host
- * host.name = *!*@host.name --Run
- */
- c = 'b';
- cp = pretty_mask(lp->value.cp);
- break;
- case MODE_KEY:
- c = 'k';
- cp = lp->value.cp;
- break;
- case MODE_LIMIT:
- c = 'l';
- sprintf(numeric, "%-15d", nusers);
- if ((cp = strchr(numeric, ' ')))
- *cp = '\0';
- cp = numeric;
- break;
- }
+ (cli_listing(cptr))->chptr = chptr;
+ chptr->mode.mode |= MODE_LISTED;
+ }
- /* What could be added: cp+' '+' '+<TS>+'\0' */
- if (len + strlen(cp) + 13 > (size_t)MODEBUFLEN ||
- nlen + strlen(cp) + NUMNICKLEN + 12 > (size_t)MODEBUFLEN)
- break;
+ update_write(cptr);
+}
- switch (lp->flags & MODE_WPARAS)
- {
- case MODE_KEY:
- if (strlen(cp) > (size_t)KEYLEN)
- *(cp + KEYLEN) = '\0';
- if ((whatt == MODE_ADD && (*mode->key == '\0' ||
- strCasediff(mode->key, cp) != 0)) ||
- (whatt == MODE_DEL && (*mode->key != '\0')))
- {
- if (bounce)
- {
- if (*mode->key == '\0')
- {
- if (bwhatt != MODE_DEL)
- {
- *bmbuf++ = '-';
- bwhatt = MODE_DEL;
- }
- strcat(bpbuf, cp);
- blen += strlen(cp);
- strcat(bpbuf, " ");
- blen++;
- strcat(nbpbuf, cp);
- nblen += strlen(cp);
- strcat(nbpbuf, " ");
- nblen++;
- }
- else
- {
- if (bwhatt != MODE_ADD)
- {
- *bmbuf++ = '+';
- bwhatt = MODE_ADD;
- }
- strcat(bpbuf, mode->key);
- blen += strlen(mode->key);
- strcat(bpbuf, " ");
- blen++;
- strcat(nbpbuf, mode->key);
- nblen += strlen(mode->key);
- strcat(nbpbuf, " ");
- nblen++;
- }
- *bmbuf++ = c;
- mbuf--;
- if (*mbuf != '+' && *mbuf != '-')
- mbuf++;
- else
- whatt = prev_whatt;
- }
- else
- {
- *mbuf++ = c;
- strcat(pbuf, cp);
- len += strlen(cp);
- strcat(pbuf, " ");
- len++;
- strcat(npbuf, cp);
- nlen += strlen(cp);
- strcat(npbuf, " ");
- nlen++;
- if (whatt == MODE_ADD)
- strncpy(mode->key, cp, KEYLEN);
- else
- *mode->key = '\0';
- }
- }
- break;
- case MODE_LIMIT:
- if (nusers && nusers != mode->limit)
- {
- if (bounce)
- {
- if (mode->limit == 0)
- {
- if (bwhatt != MODE_DEL)
- {
- *bmbuf++ = '-';
- bwhatt = MODE_DEL;
- }
- }
- else
- {
- if (bwhatt != MODE_ADD)
- {
- *bmbuf++ = '+';
- bwhatt = MODE_ADD;
- }
- sprintf(numeric, "%-15d", mode->limit);
- if ((cp = strchr(numeric, ' ')))
- *cp = '\0';
- strcat(bpbuf, numeric);
- blen += strlen(numeric);
- strcat(bpbuf, " ");
- blen++;
- strcat(nbpbuf, numeric);
- nblen += strlen(numeric);
- strcat(nbpbuf, " ");
- nblen++;
- }
- *bmbuf++ = c;
- mbuf--;
- if (*mbuf != '+' && *mbuf != '-')
- mbuf++;
- else
- whatt = prev_whatt;
- }
- else
- {
- *mbuf++ = c;
- strcat(pbuf, cp);
- len += strlen(cp);
- strcat(pbuf, " ");
- len++;
- strcat(npbuf, cp);
- nlen += strlen(cp);
- strcat(npbuf, " ");
- nlen++;
- mode->limit = nusers;
- }
- }
- break;
- case MODE_CHANOP:
- case MODE_VOICE:
- tmp = find_user_link(chptr->members, lp->value.cptr);
- if (lp->flags & MODE_ADD)
- {
- change = (~tmp->flags) & CHFL_OVERLAP & lp->flags;
- if (change && bounce)
- {
- if (lp->flags & MODE_CHANOP)
- tmp->flags |= CHFL_DEOPPED;
- if (bwhatt != MODE_DEL)
- {
- *bmbuf++ = '-';
- bwhatt = MODE_DEL;
- }
- *bmbuf++ = c;
- strcat(bpbuf, lp->value.cptr->name);
- blen += strlen(lp->value.cptr->name);
- strcat(bpbuf, " ");
- blen++;
- sprintf_irc(nbpbuf + nblen, "%s%s ", NumNick(lp->value.cptr));
- nblen += strlen(nbpbuf + nblen);
- change = 0;
- }
- else if (change)
- {
- tmp->flags |= lp->flags & CHFL_OVERLAP;
- if (lp->flags & MODE_CHANOP)
- {
- tmp->flags &= ~CHFL_DEOPPED;
- if (IsServer(sptr))
- tmp->flags &= ~CHFL_SERVOPOK;
- }
- }
- }
- else
- {
- change = tmp->flags & CHFL_OVERLAP & lp->flags;
- if (change && bounce)
- {
- if (lp->flags & MODE_CHANOP)
- tmp->flags &= ~CHFL_DEOPPED;
- if (bwhatt != MODE_ADD)
- {
- *bmbuf++ = '+';
- bwhatt = MODE_ADD;
- }
- *bmbuf++ = c;
- strcat(bpbuf, lp->value.cptr->name);
- blen += strlen(lp->value.cptr->name);
- strcat(bpbuf, " ");
- blen++;
- sprintf_irc(nbpbuf + nblen, "%s%s ", NumNick(lp->value.cptr));
- blen += strlen(bpbuf + blen);
- change = 0;
- }
- else
- {
- tmp->flags &= ~change;
- if ((change & MODE_CHANOP) && IsServer(sptr))
- tmp->flags |= CHFL_DEOPPED;
- }
- }
- if (change || *badop == 2 || *badop == 4)
- {
- *mbuf++ = c;
- strcat(pbuf, cp);
- len += strlen(cp);
- strcat(pbuf, " ");
- len++;
- sprintf_irc(npbuf + nlen, "%s%s ", NumNick(lp->value.cptr));
- nlen += strlen(npbuf + nlen);
- npbuf[nlen++] = ' ';
- npbuf[nlen] = 0;
- }
- else
- {
- mbuf--;
- if (*mbuf != '+' && *mbuf != '-')
- mbuf++;
- else
- whatt = prev_whatt;
- }
- break;
- case MODE_BAN:
/*
- * Only bans aren't bounced, it makes no sense to bounce last second
- * bans while propagating bans done before the net.rejoin. The reason
- * why I don't bounce net.rejoin bans is because it is too much
- * work to take care of too long strings adding the necessary TS to
- * net.burst bans -- RunLazy
- * We do have to check for *badop==2 now, we don't want HACKs to take
- * effect.
+ * Consider:
+ *
+ * client
+ * |
+ * c
+ * |
+ * X --a--> A --b--> B --d--> D
+ * |
+ * who
+ *
+ * Where `who' is being KICK-ed by a "KICK" message received by server 'A'
+ * via 'a', or on server 'B' via either 'b' or 'c', or on server D via 'd'.
+ *
+ * a) On server A : set CHFL_ZOMBIE for `who' (lp) and pass on the KICK.
+ * Remove the user immedeately when no users are left on the channel.
+ * b) On server B : remove the user (who/lp) from the channel, send a
+ * PART upstream (to A) and pass on the KICK.
+ * c) KICKed by `client'; On server B : remove the user (who/lp) from the
+ * channel, and pass on the KICK.
+ * d) On server D : remove the user (who/lp) from the channel, and pass on
+ * the KICK.
+ *
+ * Note:
+ * - Setting the ZOMBIE flag never hurts, we either remove the
+ * client after that or we don't.
+ * - The KICK message was already passed on, as should be in all cases.
+ * - `who' is removed in all cases except case a) when users are left.
+ * - A PART is only sent upstream in case b).
+ *
+ * 2 aug 97:
+ *
+ * 6
+ * |
+ * 1 --- 2 --- 3 --- 4 --- 5
+ * | |
+ * kicker who
+ *
+ * We also need to turn 'who' into a zombie on servers 1 and 6,
+ * because a KICK from 'who' (kicking someone else in that direction)
+ * can arrive there afterwards - which should not be bounced itself.
+ * Therefore case a) also applies for servers 1 and 6.
*
- * Since BURST - I *did* implement net.rejoin ban bouncing. So now it
- * certainly makes sense to also bounce 'last second' bans (bans done
- * after the net.junction). -- RunHardWorker
+ * --Run
*/
- if ((change = (whatt & MODE_ADD) &&
- !add_banid(sptr, chptr, cp, !bounce, !add_banid_called)))
- add_banid_called = 1;
- else
- change = (whatt & MODE_DEL) && !del_banid(chptr, cp, !bounce);
-
- if (bounce && change)
- {
- change = 0;
- if ((whatt & MODE_ADD))
- {
- if (bwhatt != MODE_DEL)
- {
- *bmbuf++ = '-';
- bwhatt = MODE_DEL;
- }
- }
- else if ((whatt & MODE_DEL))
- {
- if (bwhatt != MODE_ADD)
- {
- *bmbuf++ = '+';
- bwhatt = MODE_ADD;
- }
- }
- *bmbuf++ = c;
- strcat(bpbuf, cp);
- blen += strlen(cp);
- strcat(bpbuf, " ");
- blen++;
- strcat(nbpbuf, cp);
- nblen += strlen(cp);
- strcat(nbpbuf, " ");
- nblen++;
- }
- if (change)
- {
- *mbuf++ = c;
- strcat(pbuf, cp);
- len += strlen(cp);
- strcat(pbuf, " ");
- len++;
- strcat(npbuf, cp);
- nlen += strlen(cp);
- strcat(npbuf, " ");
- nlen++;
- }
- else
- {
- mbuf--;
- if (*mbuf != '+' && *mbuf != '-')
- mbuf++;
- else
- whatt = prev_whatt;
- }
- break;
- }
- } /* for (; i < opcnt; i++) */
- } /* if (opcnt) */
+void make_zombie(struct Membership* member, struct Client* who, struct Client* cptr,
+ struct Client* sptr, struct Channel* chptr)
+{
+ assert(0 != member);
+ assert(0 != who);
+ assert(0 != cptr);
+ assert(0 != chptr);
- *mbuf++ = '\0';
- *bmbuf++ = '\0';
+ /* Default for case a): */
+ SetZombie(member);
- /* Bounce here */
- if (!hacknotice && *bmodebuf && chptr->creationtime)
- {
- if (Protocol(cptr) < 10)
- sendto_one(cptr, ":%s MODE %s %s %s " TIME_T_FMT,
- me.name, chptr->chname, bmodebuf, bparambuf,
- *badop == 2 ? (time_t) 0 : chptr->creationtime);
- else
- sendto_one(cptr, "%s MODE %s %s %s " TIME_T_FMT,
- NumServ(&me), chptr->chname, bmodebuf, nbparambuf,
- *badop == 2 ? (time_t) 0 : chptr->creationtime);
- }
- /* If there are possibly bans to re-add, bounce them now */
- if (add_banid_called && bounce)
+ /* Case b) or c) ?: */
+ if (MyUser(who)) /* server 4 */
{
- Link *ban[6]; /* Max 6 bans at a time */
- size_t len[6], sblen, total_len;
- int cnt, delayed = 0;
- while (delayed || (ban[0] = next_overlapped_ban()))
- {
- len[0] = strlen(ban[0]->value.ban.banstr);
- cnt = 1; /* We already got one ban :) */
- sblen = sprintf_irc(sendbuf, ":%s MODE %s +b",
- me.name, chptr->chname) - sendbuf;
- total_len = sblen + 1 + len[0]; /* 1 = ' ' */
- /* Find more bans: */
- delayed = 0;
- while (cnt < 6 && (ban[cnt] = next_overlapped_ban()))
- {
- len[cnt] = strlen(ban[cnt]->value.ban.banstr);
- if (total_len + 5 + len[cnt] > BUFSIZE) /* 5 = "b \r\n\0" */
- {
- delayed = cnt + 1; /* != 0 */
- break; /* Flush */
- }
- sendbuf[sblen++] = 'b';
- total_len += 2 + len[cnt++]; /* 2 = "b " */
- }
- while (cnt--)
- {
- sendbuf[sblen++] = ' ';
- strcpy(sendbuf + sblen, ban[cnt]->value.ban.banstr);
- sblen += len[cnt];
- }
- sendbufto_one(cptr); /* Send bounce to uplink */
- if (delayed)
- ban[0] = ban[delayed - 1];
- }
+ if (IsServer(cptr)) /* Case b) ? */
+ sendcmdto_one(who, CMD_PART, cptr, "%H", chptr);
+ remove_user_from_channel(who, chptr);
+ return;
}
- /* Send -b's of overlapped bans to clients to keep them synchronized */
- if (add_banid_called && !bounce)
+ if (cli_from(who) == cptr) /* True on servers 1, 5 and 6 */
{
- Link *ban;
- char *banstr[6]; /* Max 6 bans at a time */
- size_t len[6], sblen, psblen, total_len;
- int cnt, delayed = 0;
- Link *lp;
- aClient *acptr;
- if (IsServer(sptr))
- psblen = sprintf_irc(sendbuf, ":%s MODE %s -b",
- sptr->name, chptr->chname) - sendbuf;
- else /* We rely on IsRegistered(sptr) being true for MODE */
- psblen = sprintf_irc(sendbuf, ":%s!%s@%s MODE %s -b", sptr->name,
- sptr->user->username, sptr->user->host, chptr->chname) - sendbuf;
- while (delayed || (ban = next_removed_overlapped_ban()))
- {
- if (!delayed)
- {
- len[0] = strlen((banstr[0] = ban->value.ban.banstr));
- ban->value.ban.banstr = NULL;
- }
- cnt = 1; /* We already got one ban :) */
- sblen = psblen;
- total_len = sblen + 1 + len[0]; /* 1 = ' ' */
- /* Find more bans: */
- delayed = 0;
- while (cnt < 6 && (ban = next_removed_overlapped_ban()))
- {
- len[cnt] = strlen((banstr[cnt] = ban->value.ban.banstr));
- ban->value.ban.banstr = NULL;
- if (total_len + 5 + len[cnt] > BUFSIZE) /* 5 = "b \r\n\0" */
- {
- delayed = cnt + 1; /* != 0 */
- break; /* Flush */
- }
- sendbuf[sblen++] = 'b';
- total_len += 2 + len[cnt++]; /* 2 = "b " */
- }
- while (cnt--)
- {
- sendbuf[sblen++] = ' ';
- strcpy(sendbuf + sblen, banstr[cnt]);
- RunFree(banstr[cnt]);
- sblen += len[cnt];
- }
- for (lp = chptr->members; lp; lp = lp->next)
- if (MyConnect(acptr = lp->value.cptr) && !(lp->flags & CHFL_ZOMBIE))
- sendbufto_one(acptr);
- if (delayed)
+ struct Client *acptr = IsServer(sptr) ? sptr : (cli_user(sptr))->server;
+ for (; acptr != &me; acptr = (cli_serv(acptr))->up)
+ if (acptr == (cli_user(who))->server) /* Case d) (server 5) */
{
- banstr[0] = banstr[delayed - 1];
- len[0] = len[delayed - 1];
+ remove_user_from_channel(who, chptr);
+ return;
}
- }
}
- return gotts ? 1 : -1;
+ /* Case a) (servers 1, 2, 3 and 6) */
+ if (channel_all_zombies(chptr))
+ remove_user_from_channel(who, chptr);
+
+ /* XXX Can't actually call Debug here; if the channel is all zombies,
+ * chptr will no longer exist when we get here.
+ Debug((DEBUG_INFO, "%s is now a zombie on %s", who->name, chptr->chname));
+ */
}
-/* We are now treating the <key> part of /join <channel list> <key> as a key
- * ring; that is, we try one key against the actual channel key, and if that
- * doesn't work, we try the next one, and so on. -Kev -Texaco
- * Returns: 0 on match, 1 otherwise
- * This version contributed by SeKs <intru@info.polymtl.ca>
- */
-static int compall(char *key, char *keyring)
+int number_of_zombies(struct Channel *chptr)
{
- register char *p1;
+ struct Membership* member;
+ int count = 0;
-top:
- p1 = key; /* point to the key... */
- while (*p1 && *p1 == *keyring)
- { /* step through the key and ring until they
- don't match... */
- p1++;
- keyring++;
+ assert(0 != chptr);
+ for (member = chptr->members; member; member = member->next_member) {
+ if (IsZombie(member))
+ ++count;
}
+ return count;
+}
- if (!*p1 && (!*keyring || *keyring == ','))
- /* ok, if we're at the end of the and also at the end of one of the keys
- in the keyring, we have a match */
- return 0;
+/*
+ * This helper function builds an argument string in strptr, consisting
+ * of the original string, a space, and str1 and str2 concatenated (if,
+ * of course, str2 is not NULL)
+ */
+static void
+build_string(char *strptr, int *strptr_i, char *str1, char *str2, char c)
+{
+ if (c)
+ strptr[(*strptr_i)++] = c;
- if (!*keyring) /* if we're at the end of the key ring, there
- weren't any matches, so we return 1 */
- return 1;
+ while (*str1)
+ strptr[(*strptr_i)++] = *(str1++);
- /* Not at the end of the key ring, so step
- through to the next key in the ring: */
- while (*keyring && *(keyring++) != ',');
+ if (str2)
+ while (*str2)
+ strptr[(*strptr_i)++] = *(str2++);
- goto top; /* and check it against the key */
+ strptr[(*strptr_i)] = '\0';
}
-static int can_join(aClient *sptr, aChannel *chptr, char *key)
+/*
+ * This is the workhorse of our ModeBuf suite; this actually generates the
+ * output MODE commands, HACK notices, or whatever. It's pretty complicated.
+ */
+static int
+modebuf_flush_int(struct ModeBuf *mbuf, int all)
{
- Reg1 Link *lp;
+ /* we only need the flags that don't take args right now */
+ static int flags[] = {
+/* MODE_CHANOP, 'o', */
+/* MODE_VOICE, 'v', */
+ MODE_PRIVATE, 'p',
+ MODE_SECRET, 's',
+ MODE_MODERATED, 'm',
+ MODE_TOPICLIMIT, 't',
+ MODE_INVITEONLY, 'i',
+ MODE_NOPRIVMSGS, 'n',
+/* MODE_KEY, 'k', */
+/* MODE_BAN, 'b', */
+/* MODE_LIMIT, 'l', */
+ 0x0, 0x0
+ };
+ int i;
+ int *flag_p;
+
+ struct Client *app_source; /* where the MODE appears to come from */
-#ifdef OPER_WALK_THROUGH_LMODES
- if (IsOperOnLocalChannel(sptr, chptr->chname))
+ char addbuf[20]; /* accumulates +psmtin, etc. */
+ int addbuf_i = 0;
+ char rembuf[20]; /* accumulates -psmtin, etc. */
+ int rembuf_i = 0;
+ char *bufptr; /* we make use of indirection to simplify the code */
+ int *bufptr_i;
+
+ char addstr[BUFSIZE]; /* accumulates MODE parameters to add */
+ int addstr_i;
+ char remstr[BUFSIZE]; /* accumulates MODE parameters to remove */
+ int remstr_i;
+ char *strptr; /* more indirection to simplify the code */
+ int *strptr_i;
+
+ int totalbuflen = BUFSIZE - 200; /* fuzz factor -- don't overrun buffer! */
+ int tmp;
+
+ char limitbuf[20]; /* convert limits to strings */
+
+ unsigned int limitdel = MODE_LIMIT;
+
+ assert(0 != mbuf);
+
+ /* If the ModeBuf is empty, we have nothing to do */
+ if (mbuf->mb_add == 0 && mbuf->mb_rem == 0 && mbuf->mb_count == 0)
return 0;
-#endif
+
+ /* Ok, if we were given the OPMODE flag, hide the source if its a user */
+ if (mbuf->mb_dest & MODEBUF_DEST_OPMODE && !IsServer(mbuf->mb_source))
+ app_source = &me;
+ else
+ app_source = mbuf->mb_source;
+
/*
- * Now a banned user CAN join if invited -- Nemesi
- * Now a user CAN escape channel limit if invited -- bfriendly
+ * Account for user we're bouncing; we have to get it in on the first
+ * bounced MODE, or we could have problems
*/
- if ((chptr->mode.mode & MODE_INVITEONLY) || (is_banned(sptr, chptr, NULL)
- || (chptr->mode.limit && chptr->users >= chptr->mode.limit)))
- {
- for (lp = sptr->user->invited; lp; lp = lp->next)
- if (lp->value.chptr == chptr)
- break;
- if (!lp)
- {
- if (chptr->mode.limit && chptr->users >= chptr->mode.limit)
- return (ERR_CHANNELISFULL);
+ if (mbuf->mb_dest & MODEBUF_DEST_DEOP)
+ totalbuflen -= 6; /* numeric nick == 5, plus one space */
+
+ /* Calculate the simple flags */
+ for (flag_p = flags; flag_p[0]; flag_p += 2) {
+ if (*flag_p & mbuf->mb_add)
+ addbuf[addbuf_i++] = flag_p[1];
+ else if (*flag_p & mbuf->mb_rem)
+ rembuf[rembuf_i++] = flag_p[1];
+ }
+
+ /* Now go through the modes with arguments... */
+ for (i = 0; i < mbuf->mb_count; i++) {
+ if (MB_TYPE(mbuf, i) & MODE_ADD) { /* adding or removing? */
+ bufptr = addbuf;
+ bufptr_i = &addbuf_i;
+ } else {
+ bufptr = rembuf;
+ bufptr_i = &rembuf_i;
+ }
+
+ if (MB_TYPE(mbuf, i) & (MODE_CHANOP | MODE_VOICE)) {
+ tmp = strlen(cli_name(MB_CLIENT(mbuf, i)));
+
+ if ((totalbuflen - IRCD_MAX(5, tmp)) <= 0) /* don't overflow buffer */
+ MB_TYPE(mbuf, i) |= MODE_SAVE; /* save for later */
+ else {
+ bufptr[(*bufptr_i)++] = MB_TYPE(mbuf, i) & MODE_CHANOP ? 'o' : 'v';
+ totalbuflen -= IRCD_MAX(5, tmp) + 1;
+ }
+ } else if (MB_TYPE(mbuf, i) & (MODE_KEY | MODE_BAN)) {
+ tmp = strlen(MB_STRING(mbuf, i));
+
+ if ((totalbuflen - tmp) <= 0) /* don't overflow buffer */
+ MB_TYPE(mbuf, i) |= MODE_SAVE; /* save for later */
+ else {
+ bufptr[(*bufptr_i)++] = MB_TYPE(mbuf, i) & MODE_KEY ? 'k' : 'b';
+ totalbuflen -= tmp + 1;
+ }
+ } else if (MB_TYPE(mbuf, i) & MODE_LIMIT) {
+ /* if it's a limit, we also format the number */
+ ircd_snprintf(0, limitbuf, sizeof(limitbuf), "%d", MB_UINT(mbuf, i));
+
+ tmp = strlen(limitbuf);
+
+ if ((totalbuflen - tmp) <= 0) /* don't overflow buffer */
+ MB_TYPE(mbuf, i) |= MODE_SAVE; /* save for later */
+ else {
+ bufptr[(*bufptr_i)++] = 'l';
+ totalbuflen -= tmp + 1;
+ }
+ }
+ }
+
+ /* terminate the mode strings */
+ addbuf[addbuf_i] = '\0';
+ rembuf[rembuf_i] = '\0';
+
+ /* If we're building a user visible MODE or HACK... */
+ if (mbuf->mb_dest & (MODEBUF_DEST_CHANNEL | MODEBUF_DEST_HACK2 |
+ MODEBUF_DEST_HACK3 | MODEBUF_DEST_HACK4 |
+ MODEBUF_DEST_LOG)) {
+ /* Set up the parameter strings */
+ addstr[0] = '\0';
+ addstr_i = 0;
+ remstr[0] = '\0';
+ remstr_i = 0;
+
+ for (i = 0; i < mbuf->mb_count; i++) {
+ if (MB_TYPE(mbuf, i) & MODE_SAVE)
+ continue;
+
+ if (MB_TYPE(mbuf, i) & MODE_ADD) { /* adding or removing? */
+ strptr = addstr;
+ strptr_i = &addstr_i;
+ } else {
+ strptr = remstr;
+ strptr_i = &remstr_i;
+ }
+
+ /* deal with clients... */
+ if (MB_TYPE(mbuf, i) & (MODE_CHANOP | MODE_VOICE))
+ build_string(strptr, strptr_i, cli_name(MB_CLIENT(mbuf, i)), 0, ' ');
+
+ /* deal with strings... */
+ else if (MB_TYPE(mbuf, i) & (MODE_KEY | MODE_BAN))
+ build_string(strptr, strptr_i, MB_STRING(mbuf, i), 0, ' ');
+
+ /*
+ * deal with limit; note we cannot include the limit parameter if we're
+ * removing it
+ */
+ else if ((MB_TYPE(mbuf, i) & (MODE_ADD | MODE_LIMIT)) ==
+ (MODE_ADD | MODE_LIMIT))
+ build_string(strptr, strptr_i, limitbuf, 0, ' ');
+ }
+
+ /* send the messages off to their destination */
+ if (mbuf->mb_dest & MODEBUF_DEST_HACK2) {
+ sendto_opmask_butone(0, SNO_HACK2, "HACK(2): %s MODE %s %s%s%s%s%s%s "
+ "[%Tu]",
+#ifdef HEAD_IN_SAND_SNOTICES
+ cli_name(mbuf->mb_source),
+#else
+ cli_name(app_source),
+#endif
+ mbuf->mb_channel->chname,
+ rembuf_i ? "-" : "", rembuf, addbuf_i ? "+" : "",
+ addbuf, remstr, addstr,
+ mbuf->mb_channel->creationtime);
+ sendcmdto_serv_butone(&me, CMD_DESYNCH, mbuf->mb_connect,
+ ":HACK: %s MODE %s %s%s%s%s%s%s [%Tu]",
+#ifdef HEAD_IN_SAND_SNOTICES
+ cli_name(mbuf->mb_source),
+#else
+ cli_name(app_source),
+#endif
+ mbuf->mb_channel->chname,
+ rembuf_i ? "-" : "", rembuf,
+ addbuf_i ? "+" : "", addbuf, remstr, addstr,
+ mbuf->mb_channel->creationtime);
+ }
+
+ if (mbuf->mb_dest & MODEBUF_DEST_HACK3)
+ sendto_opmask_butone(0, SNO_HACK3, "BOUNCE or HACK(3): %s MODE %s "
+ "%s%s%s%s%s%s [%Tu]",
+#ifdef HEAD_IN_SAND_SNOTICES
+ cli_name(mbuf->mb_source),
+#else
+ cli_name(app_source),
+#endif
+ mbuf->mb_channel->chname, rembuf_i ? "-" : "",
+ rembuf, addbuf_i ? "+" : "", addbuf, remstr, addstr,
+ mbuf->mb_channel->creationtime);
+
+ if (mbuf->mb_dest & MODEBUF_DEST_HACK4)
+ sendto_opmask_butone(0, SNO_HACK4, "HACK(4): %s MODE %s %s%s%s%s%s%s "
+ "[%Tu]",
+#ifdef HEAD_IN_SAND_SNOTICES
+ cli_name(mbuf->mb_source),
+#else
+ cli_name(app_source),
+#endif
+ mbuf->mb_channel->chname,
+ rembuf_i ? "-" : "", rembuf, addbuf_i ? "+" : "",
+ addbuf, remstr, addstr,
+ mbuf->mb_channel->creationtime);
+
+ if (mbuf->mb_dest & MODEBUF_DEST_LOG)
+ log_write(LS_OPERMODE, L_INFO, LOG_NOSNOTICE,
+ "%#C OPMODE %H %s%s%s%s%s%s", mbuf->mb_source,
+ mbuf->mb_channel, rembuf_i ? "-" : "", rembuf,
+ addbuf_i ? "+" : "", addbuf, remstr, addstr);
+
+ if (mbuf->mb_dest & MODEBUF_DEST_CHANNEL)
+ sendcmdto_channel_butserv(app_source, CMD_MODE, mbuf->mb_channel,
+ "%H %s%s%s%s%s%s", mbuf->mb_channel,
+ rembuf_i ? "-" : "", rembuf,
+ addbuf_i ? "+" : "", addbuf, remstr, addstr);
+ }
+
+ /* Now are we supposed to propagate to other servers? */
+ if (mbuf->mb_dest & MODEBUF_DEST_SERVER) {
+ /* set up parameter string */
+ addstr[0] = '\0';
+ addstr_i = 0;
+ remstr[0] = '\0';
+ remstr_i = 0;
+
+ /*
+ * limit is supressed if we're removing it; we have to figure out which
+ * direction is the direction for it to be removed, though...
+ */
+ limitdel |= (mbuf->mb_dest & MODEBUF_DEST_HACK2) ? MODE_DEL : MODE_ADD;
+
+ for (i = 0; i < mbuf->mb_count; i++) {
+ if (MB_TYPE(mbuf, i) & MODE_SAVE)
+ continue;
+
+ if (MB_TYPE(mbuf, i) & MODE_ADD) { /* adding or removing? */
+ strptr = addstr;
+ strptr_i = &addstr_i;
+ } else {
+ strptr = remstr;
+ strptr_i = &remstr_i;
+ }
+
+ /* deal with modes that take clients */
+ if (MB_TYPE(mbuf, i) & (MODE_CHANOP | MODE_VOICE))
+ build_string(strptr, strptr_i, NumNick(MB_CLIENT(mbuf, i)), ' ');
+
+ /* deal with modes that take strings */
+ else if (MB_TYPE(mbuf, i) & (MODE_KEY | MODE_BAN))
+ build_string(strptr, strptr_i, MB_STRING(mbuf, i), 0, ' ');
+
+ /*
+ * deal with the limit. Logic here is complicated; if HACK2 is set,
+ * we're bouncing the mode, so sense is reversed, and we have to
+ * include the original limit if it looks like it's being removed
+ */
+ else if ((MB_TYPE(mbuf, i) & limitdel) == limitdel)
+ build_string(strptr, strptr_i, limitbuf, 0, ' ');
+ }
+
+ /* we were told to deop the source */
+ if (mbuf->mb_dest & MODEBUF_DEST_DEOP) {
+ addbuf[addbuf_i++] = 'o'; /* remember, sense is reversed */
+ addbuf[addbuf_i] = '\0'; /* terminate the string... */
+ build_string(addstr, &addstr_i, NumNick(mbuf->mb_source), ' ');
+
+ /* mark that we've done this, so we don't do it again */
+ mbuf->mb_dest &= ~MODEBUF_DEST_DEOP;
+ }
+
+ if (mbuf->mb_dest & MODEBUF_DEST_OPMODE) {
+ /* If OPMODE was set, we're propagating the mode as an OPMODE message */
+ sendcmdto_serv_butone(mbuf->mb_source, CMD_OPMODE, mbuf->mb_connect,
+ "%H %s%s%s%s%s%s", mbuf->mb_channel,
+ rembuf_i ? "-" : "", rembuf, addbuf_i ? "+" : "",
+ addbuf, remstr, addstr);
+ } else if (mbuf->mb_dest & MODEBUF_DEST_BOUNCE) {
+ /*
+ * If HACK2 was set, we're bouncing; we send the MODE back to the
+ * connection we got it from with the senses reversed and a TS of 0;
+ * origin is us
+ */
+ sendcmdto_one(&me, CMD_MODE, mbuf->mb_connect, "%H %s%s%s%s%s%s %Tu",
+ mbuf->mb_channel, addbuf_i ? "-" : "", addbuf,
+ rembuf_i ? "+" : "", rembuf, addstr, remstr,
+ mbuf->mb_channel->creationtime);
+ } else {
/*
- * This can return an "Invite only" msg instead of the "You are banned"
- * if _both_ conditions are true, but who can say what is more
- * appropriate ? checking again IsBanned would be _SO_ cpu-xpensive !
+ * We're propagating a normal MODE command to the rest of the network;
+ * we send the actual channel TS unless this is a HACK3 or a HACK4
*/
- return ((chptr->mode.mode & MODE_INVITEONLY) ?
- ERR_INVITEONLYCHAN : ERR_BANNEDFROMCHAN);
+ if (IsServer(mbuf->mb_source))
+ sendcmdto_serv_butone(mbuf->mb_source, CMD_MODE, mbuf->mb_connect,
+ "%H %s%s%s%s%s%s %Tu", mbuf->mb_channel,
+ rembuf_i ? "-" : "", rembuf, addbuf_i ? "+" : "",
+ addbuf, remstr, addstr,
+ (mbuf->mb_dest & MODEBUF_DEST_HACK4) ? 0 :
+ mbuf->mb_channel->creationtime);
+ else
+ sendcmdto_serv_butone(mbuf->mb_source, CMD_MODE, mbuf->mb_connect,
+ "%H %s%s%s%s%s%s", mbuf->mb_channel,
+ rembuf_i ? "-" : "", rembuf, addbuf_i ? "+" : "",
+ addbuf, remstr, addstr);
}
}
- /* now using compall (above) to test against a whole key ring -Kev */
- if (*chptr->mode.key && (BadPtr(key) || compall(chptr->mode.key, key)))
- return (ERR_BADCHANNELKEY);
+ /* We've drained the ModeBuf... */
+ mbuf->mb_add = 0;
+ mbuf->mb_rem = 0;
+ mbuf->mb_count = 0;
+
+ /* reinitialize the mode-with-arg slots */
+ for (i = 0; i < MAXMODEPARAMS; i++) {
+ /* If we saved any, pack them down */
+ if (MB_TYPE(mbuf, i) & MODE_SAVE) {
+ mbuf->mb_modeargs[mbuf->mb_count] = mbuf->mb_modeargs[i];
+ MB_TYPE(mbuf, mbuf->mb_count) &= ~MODE_SAVE; /* don't save anymore */
+
+ if (mbuf->mb_count++ == i) /* don't overwrite our hard work */
+ continue;
+ } else if (MB_TYPE(mbuf, i) & MODE_FREE)
+ MyFree(MB_STRING(mbuf, i)); /* free string if needed */
+
+ MB_TYPE(mbuf, i) = 0;
+ MB_UINT(mbuf, i) = 0;
+ }
+
+ /* If we're supposed to flush it all, do so--all hail tail recursion */
+ if (all && mbuf->mb_count)
+ return modebuf_flush_int(mbuf, 1);
return 0;
}
/*
- * Remove bells and commas from channel name
+ * This routine just initializes a ModeBuf structure with the information
+ * needed and the options given.
*/
-
-static void clean_channelname(char *cn)
+void
+modebuf_init(struct ModeBuf *mbuf, struct Client *source,
+ struct Client *connect, struct Channel *chan, unsigned int dest)
{
- for (; *cn; cn++)
- {
- if (!isIrcCh(*cn))
- {
- *cn = '\0';
- return;
- }
- if (isIrcCl(*cn))
-#ifndef FIXME
- {
-#endif
- *cn = toLower(*cn);
-#ifndef FIXME
- /* Missed the Icelandic letter ETH last time: */
- if ((unsigned char)(*cn) == 0xd0)
- *cn = (char)0xf0;
- }
-#endif
+ int i;
+
+ assert(0 != mbuf);
+ assert(0 != source);
+ assert(0 != chan);
+ assert(0 != dest);
+
+ mbuf->mb_add = 0;
+ mbuf->mb_rem = 0;
+ mbuf->mb_source = source;
+ mbuf->mb_connect = connect;
+ mbuf->mb_channel = chan;
+ mbuf->mb_dest = dest;
+ mbuf->mb_count = 0;
+
+ /* clear each mode-with-parameter slot */
+ for (i = 0; i < MAXMODEPARAMS; i++) {
+ MB_TYPE(mbuf, i) = 0;
+ MB_UINT(mbuf, i) = 0;
}
}
/*
- * Get Channel block for i (and allocate a new channel
- * block, if it didn't exists before).
+ * This routine simply adds modes to be added or deleted; do a binary OR
+ * with either MODE_ADD or MODE_DEL
*/
-static aChannel *get_channel(aClient *cptr, char *chname, int flag)
+void
+modebuf_mode(struct ModeBuf *mbuf, unsigned int mode)
{
- Reg1 aChannel *chptr;
- int len;
+ assert(0 != mbuf);
+ assert(0 != (mode & (MODE_ADD | MODE_DEL)));
- if (BadPtr(chname))
- return NULL;
+ mode &= (MODE_ADD | MODE_DEL | MODE_PRIVATE | MODE_SECRET | MODE_MODERATED |
+ MODE_TOPICLIMIT | MODE_INVITEONLY | MODE_NOPRIVMSGS);
- len = strlen(chname);
- if (MyUser(cptr) && len > CHANNELLEN)
- {
- len = CHANNELLEN;
- *(chname + CHANNELLEN) = '\0';
+ if (!(mode & ~(MODE_ADD | MODE_DEL))) /* don't add empty modes... */
+ return;
+
+ if (mode & MODE_ADD) {
+ mbuf->mb_rem &= ~mode;
+ mbuf->mb_add |= mode;
+ } else {
+ mbuf->mb_add &= ~mode;
+ mbuf->mb_rem |= mode;
}
- if ((chptr = FindChannel(chname)))
- return (chptr);
- if (flag == CREATE)
- {
- chptr = (aChannel *)RunMalloc(sizeof(aChannel) + len);
- ++nrof.channels;
- memset(chptr, 0, sizeof(aChannel));
- strcpy(chptr->chname, chname);
- if (channel)
- channel->prevch = chptr;
- chptr->prevch = NULL;
- chptr->nextch = channel;
- chptr->creationtime = MyUser(cptr) ? TStime() : (time_t) 0;
- channel = chptr;
- hAddChannel(chptr);
- }
- return chptr;
}
-static void add_invite(aClient *cptr, aChannel *chptr)
+/*
+ * This routine adds a mode to be added or deleted that takes a unsigned
+ * int parameter; mode may *only* be the relevant mode flag ORed with one
+ * of MODE_ADD or MODE_DEL
+ */
+void
+modebuf_mode_uint(struct ModeBuf *mbuf, unsigned int mode, unsigned int uint)
{
- Reg1 Link *inv, **tmp;
+ assert(0 != mbuf);
+ assert(0 != (mode & (MODE_ADD | MODE_DEL)));
- del_invite(cptr, chptr);
- /*
- * Delete last link in chain if the list is max length
- */
- if (list_length(cptr->user->invited) >= MAXCHANNELSPERUSER)
- del_invite(cptr, cptr->user->invited->value.chptr);
- /*
- * Add client to channel invite list
- */
- inv = make_link();
- inv->value.cptr = cptr;
- inv->next = chptr->invites;
- chptr->invites = inv;
- /*
- * Add channel to the end of the client invite list
- */
- for (tmp = &(cptr->user->invited); *tmp; tmp = &((*tmp)->next));
- inv = make_link();
- inv->value.chptr = chptr;
- inv->next = NULL;
- (*tmp) = inv;
+ MB_TYPE(mbuf, mbuf->mb_count) = mode;
+ MB_UINT(mbuf, mbuf->mb_count) = uint;
+
+ /* when we've reached the maximal count, flush the buffer */
+ if (++mbuf->mb_count >=
+ (MAXMODEPARAMS - (mbuf->mb_dest & MODEBUF_DEST_DEOP ? 1 : 0)))
+ modebuf_flush_int(mbuf, 0);
}
/*
- * Delete Invite block from channel invite list and client invite list
+ * This routine adds a mode to be added or deleted that takes a string
+ * parameter; mode may *only* be the relevant mode flag ORed with one of
+ * MODE_ADD or MODE_DEL
*/
-void del_invite(aClient *cptr, aChannel *chptr)
+void
+modebuf_mode_string(struct ModeBuf *mbuf, unsigned int mode, char *string,
+ int free)
{
- Reg1 Link **inv, *tmp;
+ assert(0 != mbuf);
+ assert(0 != (mode & (MODE_ADD | MODE_DEL)));
- for (inv = &(chptr->invites); (tmp = *inv); inv = &tmp->next)
- if (tmp->value.cptr == cptr)
- {
- *inv = tmp->next;
- free_link(tmp);
- break;
- }
-
- for (inv = &(cptr->user->invited); (tmp = *inv); inv = &tmp->next)
- if (tmp->value.chptr == chptr)
- {
- *inv = tmp->next;
- free_link(tmp);
- break;
- }
-}
+ MB_TYPE(mbuf, mbuf->mb_count) = mode | (free ? MODE_FREE : 0);
+ MB_STRING(mbuf, mbuf->mb_count) = string;
-/* List and skip all channels that are listen */
-void list_next_channels(aClient *cptr, int nr)
-{
- aListingArgs *args = cptr->listing;
- aChannel *chptr = args->chptr;
- chptr->mode.mode &= ~MODE_LISTED;
- while (is_listed(chptr) || --nr >= 0)
- {
- for (; chptr; chptr = chptr->nextch)
- {
- if (!cptr->user || (SecretChannel(chptr) && !IsMember(cptr, chptr)))
- continue;
- if (chptr->users > args->min_users && chptr->users < args->max_users &&
- chptr->creationtime > args->min_time &&
- chptr->creationtime < args->max_time &&
- (!args->topic_limits || (*chptr->topic &&
- chptr->topic_time > args->min_topic_time &&
- chptr->topic_time < args->max_topic_time)))
- {
- sendto_one(cptr, rpl_str(RPL_LIST), me.name, cptr->name,
- ShowChannel(cptr, chptr) ? chptr->chname : "*",
- chptr->users, ShowChannel(cptr, chptr) ? chptr->topic : "");
- chptr = chptr->nextch;
- break;
- }
- }
- if (!chptr)
- {
- RunFree(cptr->listing);
- cptr->listing = NULL;
- sendto_one(cptr, rpl_str(RPL_LISTEND), me.name, cptr->name);
- break;
- }
- }
- if (chptr)
- {
- cptr->listing->chptr = chptr;
- chptr->mode.mode |= MODE_LISTED;
- }
+ /* when we've reached the maximal count, flush the buffer */
+ if (++mbuf->mb_count >=
+ (MAXMODEPARAMS - (mbuf->mb_dest & MODEBUF_DEST_DEOP ? 1 : 0)))
+ modebuf_flush_int(mbuf, 0);
}
/*
- * Subtract one user from channel i (and free channel
- * block, if channel became empty).
+ * This routine adds a mode to be added or deleted that takes a client
+ * parameter; mode may *only* be the relevant mode flag ORed with one of
+ * MODE_ADD or MODE_DEL
*/
-static void sub1_from_channel(aChannel *chptr)
+void
+modebuf_mode_client(struct ModeBuf *mbuf, unsigned int mode,
+ struct Client *client)
{
- Reg2 Link *tmp;
- Link *obtmp;
+ assert(0 != mbuf);
+ assert(0 != (mode & (MODE_ADD | MODE_DEL)));
- if (chptr->users > 1) /* Can be 0, called for an empty channel too */
- {
- --chptr->users;
- return;
- }
-
- /* Channel became (or was) empty: Remove channel */
- if (is_listed(chptr))
- {
- int i;
- for (i = 0; i <= highest_fd; i++)
- {
- aClient *acptr;
- if ((acptr = loc_clients[i]) && acptr->listing &&
- acptr->listing->chptr == chptr)
- {
- list_next_channels(acptr, 1);
- break; /* Only one client can list a channel */
- }
- }
- }
- /*
- * Now, find all invite links from channel structure
- */
- while ((tmp = chptr->invites))
- del_invite(tmp->value.cptr, chptr);
+ MB_TYPE(mbuf, mbuf->mb_count) = mode;
+ MB_CLIENT(mbuf, mbuf->mb_count) = client;
- tmp = chptr->banlist;
- while (tmp)
- {
- obtmp = tmp;
- tmp = tmp->next;
- RunFree(obtmp->value.ban.banstr);
- RunFree(obtmp->value.ban.who);
- free_link(obtmp);
- }
- if (chptr->prevch)
- chptr->prevch->nextch = chptr->nextch;
- else
- channel = chptr->nextch;
- if (chptr->nextch)
- chptr->nextch->prevch = chptr->prevch;
- hRemChannel(chptr);
- --nrof.channels;
- RunFree((char *)chptr);
+ /* when we've reached the maximal count, flush the buffer */
+ if (++mbuf->mb_count >=
+ (MAXMODEPARAMS - (mbuf->mb_dest & MODEBUF_DEST_DEOP ? 1 : 0)))
+ modebuf_flush_int(mbuf, 0);
}
/*
- * m_join
- *
- * parv[0] = sender prefix
- * parv[1] = channel
- * parv[2] = channel keys (client), or channel TS (server)
+ * This is the exported binding for modebuf_flush()
*/
-int m_join(aClient *cptr, aClient *sptr, int parc, char *parv[])
+int
+modebuf_flush(struct ModeBuf *mbuf)
{
- static char jbuf[BUFSIZE], mbuf[BUFSIZE];
- Reg1 Link *lp;
- Reg3 aChannel *chptr;
- Reg4 char *name, *keysOrTS = NULL;
- int i = 0, zombie = 0, sendcreate = 0;
- unsigned int flags = 0;
- size_t jlen = 0, mlen = 0;
- size_t *buflen;
- char *p = NULL, *bufptr;
-
- if (parc < 2 || *parv[1] == '\0')
- {
- sendto_one(sptr, err_str(ERR_NEEDMOREPARAMS), me.name, parv[0], "JOIN");
- return 0;
- }
-
- for (p = parv[1]; *p; p++) /* find the last "JOIN 0" in the line -Kev */
- if (*p == '0'
- && (*(p + 1) == ',' || *(p + 1) == '\0' || !isIrcCh(*(p + 1))))
- {
- /* If it's a single "0", remember the place; we will start parsing
- the channels after the last 0 in the line -Kev */
- parv[1] = p;
- if (!*(p + 1))
- break;
- p++;
- }
- else
- { /* Step through to the next comma or until the
- end of the line, in an attempt to save CPU
- -Kev */
- while (*p != ',' && *p != '\0')
- p++;
- if (!*p)
- break;
- }
-
- keysOrTS = parv[2]; /* Remember where our keys are or the TS is;
- parv[2] needs to be NULL for the call to
- m_names below -Kev */
- parv[2] = p = NULL;
-
- *jbuf = *mbuf = '\0'; /* clear both join and mode buffers -Kev */
- /*
- * Rebuild list of channels joined to be the actual result of the
- * JOIN. Note that "JOIN 0" is the destructive problem.
- */
- for (name = strtoken(&p, parv[1], ","); name; name = strtoken(&p, NULL, ","))
- {
- size_t len;
- if (MyConnect(sptr))
- clean_channelname(name);
- else if (IsLocalChannel(name))
- continue;
- if (*name == '0' && *(name + 1) == '\0')
- {
- /* Remove the user from all his channels -Kev */
- while ((lp = sptr->user->channel))
- {
- chptr = lp->value.chptr;
- if (!is_zombie(sptr, chptr))
- sendto_channel_butserv(chptr, sptr, PartFmt2,
- parv[0], chptr->chname, "Left all channels");
- remove_user_from_channel(sptr, chptr);
- }
- /* Just in case */
- *mbuf = *jbuf = '\0';
- mlen = jlen = 0;
- }
- else
- { /* not a /join 0, so treat it as
- a /join #channel -Kev */
- if (!IsChannelName(name))
- {
- if (MyUser(sptr))
- sendto_one(sptr, err_str(ERR_NOSUCHCHANNEL), me.name, parv[0], name);
- continue;
- }
-
- if (MyConnect(sptr))
- {
-#ifdef BADCHAN
- if(bad_channel(name) && !IsAnOper(sptr))
- {
- sendto_one(sptr, err_str(ERR_BADCHANNAME), me.name, parv[0],name);
- continue;
- }
-#endif
-
- /*
- * Local client is first to enter previously nonexistant
- * channel so make them (rightfully) the Channel Operator.
- * This looks kind of ugly because we try to avoid calling the strlen()
- */
- if (ChannelExists(name))
- {
- flags = CHFL_DEOPPED;
- sendcreate = 0;
- }
- else if (strlen(name) > CHANNELLEN)
- {
- *(name + CHANNELLEN) = '\0';
- if (ChannelExists(name))
- {
- flags = CHFL_DEOPPED;
- sendcreate = 0;
- }
- else
- {
- flags = IsModelessChannel(name) ? CHFL_DEOPPED : CHFL_CHANOP;
- sendcreate = 1;
- }
- }
- else
- {
- flags = IsModelessChannel(name) ? CHFL_DEOPPED : CHFL_CHANOP;
- sendcreate = 1;
- }
+ return modebuf_flush_int(mbuf, 1);
+}
-#ifdef OPER_NO_CHAN_LIMIT
- /*
- * Opers are allowed to join any number of channels
- */
- if (sptr->user->joined >= MAXCHANNELSPERUSER && !IsOper(sptr))
-#else
- if (sptr->user->joined >= MAXCHANNELSPERUSER)
-#endif
- {
- chptr = get_channel(sptr, name, !CREATE);
- sendto_one(sptr, err_str(ERR_TOOMANYCHANNELS),
- me.name, parv[0], chptr ? chptr->chname : name);
- break; /* Can't return, else he won't get on ANY
- channels! Break out of the for loop instead.
- -Kev */
- }
- }
- chptr = get_channel(sptr, name, CREATE);
- if (chptr && (lp = find_user_link(chptr->members, sptr)))
- {
- if (lp->flags & CHFL_ZOMBIE)
- {
- zombie = 1;
- flags = lp->flags & (CHFL_DEOPPED | CHFL_SERVOPOK);
- remove_user_from_channel(sptr, chptr);
- chptr = get_channel(sptr, name, CREATE);
- }
- else
- continue;
- }
- name = chptr->chname;
- if (!chptr->creationtime) /* A remote JOIN created this channel ? */
- chptr->creationtime = MAGIC_REMOTE_JOIN_TS;
- if (parc > 2)
- {
- if (chptr->creationtime == MAGIC_REMOTE_JOIN_TS)
- chptr->creationtime = atoi(keysOrTS);
- else
- parc = 2; /* Don't pass it on */
- }
- if (!zombie)
- {
- if (!MyConnect(sptr))
- flags = CHFL_DEOPPED;
- if (sptr->flags & FLAGS_TS8)
- flags |= CHFL_SERVOPOK;
- }
- if (MyConnect(sptr))
- {
- int created = chptr->users == 0;
- if (check_target_limit(sptr, chptr, chptr->chname, created))
- {
- if (created) /* Did we create the channel? */
- sub1_from_channel(chptr); /* Remove it again! */
- continue;
- }
- if ((i = can_join(sptr, chptr, keysOrTS)))
- {
- sendto_one(sptr, err_str(i), me.name, parv[0], chptr->chname);
- continue;
- }
- }
- /*
- * Complete user entry to the new channel (if any)
- */
- add_user_to_channel(chptr, sptr, flags);
+/*
+ * This extracts the simple modes contained in mbuf
+ */
+void
+modebuf_extract(struct ModeBuf *mbuf, char *buf)
+{
+ static int flags[] = {
+/* MODE_CHANOP, 'o', */
+/* MODE_VOICE, 'v', */
+ MODE_PRIVATE, 'p',
+ MODE_SECRET, 's',
+ MODE_MODERATED, 'm',
+ MODE_TOPICLIMIT, 't',
+ MODE_INVITEONLY, 'i',
+ MODE_NOPRIVMSGS, 'n',
+ MODE_KEY, 'k',
+/* MODE_BAN, 'b', */
+ MODE_LIMIT, 'l',
+ 0x0, 0x0
+ };
+ unsigned int add;
+ int i, bufpos = 0, len;
+ int *flag_p;
+ char *key = 0, limitbuf[20];
- /*
- * Notify all other users on the new channel
- */
- sendto_channel_butserv(chptr, sptr, ":%s JOIN :%s", parv[0], name);
+ assert(0 != mbuf);
+ assert(0 != buf);
- if (MyUser(sptr))
- {
- del_invite(sptr, chptr);
- if (chptr->topic[0] != '\0')
- {
- sendto_one(sptr, rpl_str(RPL_TOPIC), me.name,
- parv[0], name, chptr->topic);
- sendto_one(sptr, rpl_str(RPL_TOPICWHOTIME), me.name, parv[0], name,
- chptr->topic_nick, chptr->topic_time);
- }
- parv[1] = name;
- m_names(cptr, sptr, 2, parv);
- }
- }
+ buf[0] = '\0';
- /* Select proper buffer; mbuf for creation, jbuf otherwise */
+ add = mbuf->mb_add;
- if (*name == '&')
- continue; /* Head off local channels at the pass */
+ for (i = 0; i < mbuf->mb_count; i++) { /* find keys and limits */
+ if (MB_TYPE(mbuf, i) & MODE_ADD) {
+ add |= MB_TYPE(mbuf, i) & (MODE_KEY | MODE_LIMIT);
- bufptr = (sendcreate == 0) ? jbuf : mbuf;
- buflen = (sendcreate == 0) ? &jlen : &mlen;
- len = strlen(name);
- if (*buflen < BUFSIZE - len - 2)
- {
- if (*bufptr)
- {
- strcat(bufptr, ","); /* Add to join buf */
- *buflen += 1;
- }
- strncat(bufptr, name, BUFSIZE - *buflen - 1);
- *buflen += len;
+ if (MB_TYPE(mbuf, i) & MODE_KEY) /* keep strings */
+ key = MB_STRING(mbuf, i);
+ else if (MB_TYPE(mbuf, i) & MODE_LIMIT)
+ ircd_snprintf(0, limitbuf, sizeof(limitbuf), "%d", MB_UINT(mbuf, i));
}
- sendcreate = 0; /* Reset sendcreate */
}
-#ifndef NO_PROTOCOL9
- if (*jbuf || *mbuf) /* Propagate joins to P09 servers */
- sendto_lowprot_butone(cptr, 9, (*jbuf && *mbuf) ? ":%s JOIN %s,%s" :
- ":%s JOIN %s%s", parv[0], jbuf, mbuf);
-#endif
+ if (!add)
+ return;
- if (*jbuf) /* Propgate joins to P10 servers */
-#ifdef NO_PROTOCOL9
- sendto_serv_butone(cptr,
- parc > 2 ? ":%s JOIN %s %s" : ":%s JOIN %s", parv[0], jbuf, keysOrTS);
-#else
- sendto_highprot_butone(cptr, 10,
- parc > 2 ? ":%s JOIN %s %s" : ":%s JOIN %s", parv[0], jbuf, keysOrTS);
-#endif
- if (*mbuf) /* and now creation events */
-#ifdef NO_PROTOCOL9
- sendto_serv_butone(cptr, "%s%s CREATE %s " TIME_T_FMT,
- NumNick(sptr), mbuf, TStime());
-#else
- sendto_highprot_butone(cptr, 10, "%s%s CREATE %s " TIME_T_FMT,
- NumNick(sptr), mbuf, TStime());
-#endif
+ buf[bufpos++] = '+'; /* start building buffer */
- if (MyUser(sptr))
- { /* shouldn't ever set TS for remote JOIN's */
- if (*jbuf)
- { /* check for channels that need TS's */
- p = NULL;
- for (name = strtoken(&p, jbuf, ","); name; name = strtoken(&p, NULL, ","))
- {
- chptr = get_channel(sptr, name, !CREATE);
- if (chptr && chptr->mode.mode & MODE_SENDTS)
- { /* send a TS? */
- sendto_serv_butone(cptr, ":%s MODE %s + " TIME_T_FMT, me.name,
- chptr->chname, chptr->creationtime); /* ok, send TS */
- chptr->mode.mode &= ~MODE_SENDTS; /* reset flag */
- }
- }
- }
+ for (flag_p = flags; flag_p[0]; flag_p += 2)
+ if (*flag_p & add)
+ buf[bufpos++] = flag_p[1];
- if (*mbuf)
- { /* ok, send along modes for creation events to P9 */
- p = NULL;
- for (name = strtoken(&p, mbuf, ","); name; name = strtoken(&p, NULL, ","))
- {
- chptr = get_channel(sptr, name, !CREATE);
- sendto_lowprot_butone(cptr, 9, ":%s MODE %s +o %s " TIME_T_FMT,
- me.name, chptr->chname, parv[0], chptr->creationtime);
- }
- }
+ for (i = 0, len = bufpos; i < len; i++) {
+ if (buf[i] == 'k')
+ build_string(buf, &bufpos, key, 0, ' ');
+ else if (buf[i] == 'l')
+ build_string(buf, &bufpos, limitbuf, 0, ' ');
}
- return 0;
+
+ buf[bufpos] = '\0';
+
+ return;
}
/*
- * m_destruct
- *
- * parv[0] = sender prefix
- * parv[1] = channel channelname
- * parv[2] = channel time stamp
- *
- * This function does nothing, it does passes DESTRUCT to the other servers.
- * In the future we will start to use this message.
- *
+ * Simple function to invalidate bans
*/
-int m_destruct(aClient *cptr, aClient *sptr, int parc, char *parv[])
+void
+mode_ban_invalidate(struct Channel *chan)
{
- time_t chanTS; /* Creation time of the channel */
-
- if (parc < 3 || *parv[2] == '\0')
- return 0;
+ struct Membership *member;
-#ifdef GODMODE
- /* Allow DESTRUCT from user */
- if (MyUser(sptr))
- sptr = &me;
- else
-#endif
+ for (member = chan->members; member; member = member->next_member)
+ ClearBanValid(member);
+}
- /* sanity checks: Only accept DESTRUCT messages from servers */
- if (!IsServer(sptr))
- return 0;
+/*
+ * Simple function to drop invite structures
+ */
+void
+mode_invite_clear(struct Channel *chan)
+{
+ while (chan->invites)
+ del_invite(chan->invites->value.cptr, chan);
+}
- /* Don't pass on DESTRUCT messages for channels that exist */
- if (FindChannel(parv[1]))
- return 0;
+/* What we've done for mode_parse so far... */
+#define DONE_LIMIT 0x01 /* We've set the limit */
+#define DONE_KEY 0x02 /* We've set the key */
+#define DONE_BANLIST 0x04 /* We've sent the ban list */
+#define DONE_NOTOPER 0x08 /* We've sent a "Not oper" error */
+#define DONE_BANCLEAN 0x10 /* We've cleaned bans... */
+
+struct ParseState {
+ struct ModeBuf *mbuf;
+ struct Client *cptr;
+ struct Client *sptr;
+ struct Channel *chptr;
+ int parc;
+ char **parv;
+ unsigned int flags;
+ unsigned int dir;
+ unsigned int done;
+ unsigned int add;
+ unsigned int del;
+ int args_used;
+ int max_args;
+ int numbans;
+ struct SLink banlist[MAXPARA];
+ struct {
+ unsigned int flag;
+ struct Client *client;
+ } cli_change[MAXPARA];
+};
- chanTS = atoi(parv[2]);
+/*
+ * Here's a helper function to deal with sending along "Not oper" or
+ * "Not member" messages
+ */
+static void
+send_notoper(struct ParseState *state)
+{
+ if (state->done & DONE_NOTOPER)
+ return;
- /* Pass on DESTRUCT message */
- sendto_highprot_butone(cptr, 10, "%s DESTRUCT %s " TIME_T_FMT,
- NumServ(sptr), parv[1], chanTS);
+ send_reply(state->sptr, (state->flags & MODE_PARSE_NOTOPER) ?
+ ERR_CHANOPRIVSNEEDED : ERR_NOTONCHANNEL, state->chptr->chname);
- return 0;
+ state->done |= DONE_NOTOPER;
}
/*
- * m_create
- *
- * parv[0] = sender prefix
- * parv[1] = channel names
- * parv[2] = channel time stamp
+ * Helper function to convert limits
*/
-int m_create(aClient *cptr, aClient *sptr, int parc, char *parv[])
+static void
+mode_parse_limit(struct ParseState *state, int *flag_p)
{
- char cbuf[BUFSIZE]; /* Buffer for list with channels
- that `sptr' really creates */
- time_t chanTS; /* Creation time for all channels
- in the comma seperated list */
- char *p, *name;
- Reg5 aChannel *chptr;
- int badop;
-
- /* sanity checks: Only accept CREATE messages from servers */
- if (!IsServer(cptr) || parc < 3 || *parv[2] == '\0')
- return 0;
-
- chanTS = atoi(parv[2]);
+ unsigned int t_limit;
- *cbuf = '\0'; /* Start with empty buffer */
+ if (state->dir == MODE_ADD) { /* convert arg only if adding limit */
+ if (MyUser(state->sptr) && state->max_args <= 0) /* too many args? */
+ return;
- /* For each channel in the comma seperated list: */
- for (name = strtoken(&p, parv[1], ","); name; name = strtoken(&p, NULL, ","))
- {
- badop = 0; /* Default is to accept the op */
- if ((chptr = FindChannel(name)))
- {
- name = chptr->chname;
- if (TStime() - chanTS > TS_LAG_TIME)
- {
- /* A bounce would not be accepted anyway - if we get here something
- is wrong with the TS clock syncing (or we have more then
- TS_LAG_TIME lag, or an admin is hacking */
- badop = 2;
- /* This causes a HACK notice on all upstream servers: */
- if (Protocol(cptr) < 10)
- sendto_one(cptr, ":%s MODE %s -o %s 0", me.name, name, sptr->name);
- else
- sendto_one(cptr, ":%s MODE %s -o %s%s 0",
- me.name, name, NumNick(sptr));
- /* This causes a WALLOPS on all downstream servers and a notice to our
- own opers: */
- parv[1] = name; /* Corrupt parv[1], it is not used anymore anyway */
- send_hack_notice(cptr, sptr, parc, parv, badop, 2);
- }
- else if (chptr->creationtime && chanTS > chptr->creationtime &&
- chptr->creationtime != MAGIC_REMOTE_JOIN_TS)
- {
- /* We (try) to bounce the mode, because the CREATE is used on an older
- channel, probably a net.ride */
- badop = 1;
- /* Send a deop upstream: */
- if (Protocol(cptr) < 10)
- sendto_one(cptr, ":%s MODE %s -o %s " TIME_T_FMT, me.name,
- name, sptr->name, chptr->creationtime);
- else
- sendto_one(cptr, ":%s MODE %s -o %s%s " TIME_T_FMT, me.name,
- name, NumNick(sptr), chptr->creationtime);
- }
+ if (state->parc <= 0) { /* warn if not enough args */
+ if (MyUser(state->sptr))
+ need_more_params(state->sptr, "MODE +l");
+ return;
}
- else /* Channel doesn't exist: create it */
- chptr = get_channel(sptr, name, CREATE);
- /* Add and mark ops */
- add_user_to_channel(chptr, sptr,
- (badop || IsModelessChannel(name)) ? CHFL_DEOPPED : CHFL_CHANOP);
+ t_limit = atoi(state->parv[state->args_used++]); /* grab arg */
+ state->parc--;
+ state->max_args--;
- /* Send user join to the local clients (if any) */
- sendto_channel_butserv(chptr, sptr, ":%s JOIN :%s", parv[0], name);
-
- if (badop) /* handle badop: convert CREATE into JOIN */
- sendto_serv_butone(cptr, ":%s JOIN %s " TIME_T_FMT,
- sptr->name, name, chptr->creationtime);
- else
- {
- /* Send the op to local clients:
- (if any; extremely unlikely, but it CAN happen) */
- if (!IsModelessChannel(name))
- sendto_channel_butserv(chptr, sptr, ":%s MODE %s +o %s",
- sptr->user->server->name, name, parv[0]);
-
- /* Set/correct TS and add the channel to the
- buffer for accepted channels: */
- chptr->creationtime = chanTS;
- if (*cbuf)
- strcat(cbuf, ",");
- strcat(cbuf, name);
- }
- }
+ if (!(state->flags & MODE_PARSE_WIPEOUT) &&
+ (!t_limit || t_limit == state->chptr->mode.limit))
+ return;
+ } else
+ t_limit = state->chptr->mode.limit;
- if (*cbuf) /* Any channel accepted with ops ? */
- {
-#ifdef NO_PROTOCOL9
- sendto_serv_butone(cptr, "%s%s CREATE %s " TIME_T_FMT,
- NumNick(sptr), cbuf, chanTS);
-#else
- /* send CREATEs to 2.10 servers */
- sendto_highprot_butone(cptr, 10, "%s%s CREATE %s " TIME_T_FMT,
- NumNick(sptr), cbuf, chanTS);
-
- /* And JOIN + MODE to 2.9 servers; following
- is not needed after all are 2.10 */
- sendto_lowprot_butone(cptr, 9, ":%s JOIN %s", parv[0], cbuf);
- p = NULL;
- for (name = strtoken(&p, cbuf, ","); name; name = strtoken(&p, NULL, ","))
- sendto_lowprot_butone(cptr, 9, ":%s MODE %s +o %s " TIME_T_FMT,
- sptr->user->server->name, name, parv[0], chanTS);
-#endif
+ /* If they're not an oper, they can't change modes */
+ if (state->flags & (MODE_PARSE_NOTOPER | MODE_PARSE_NOTMEMBER)) {
+ send_notoper(state);
+ return;
}
- return 0;
-}
-
-static size_t prefix_len;
+ if (state->done & DONE_LIMIT) /* allow limit to be set only once */
+ return;
+ state->done |= DONE_LIMIT;
-static void add_token_to_sendbuf(char *token, size_t *sblenp, int *firstp,
- int *send_itp, char is_a_ban, int mode)
-{
- int first = *firstp;
+ if (!state->mbuf)
+ return;
- /*
- * Heh - we do not need to test if it still fits in the buffer, because
- * this BURST message is reconstructed from another BURST message, and
- * it only can become smaller. --Run
- */
+ modebuf_mode_uint(state->mbuf, state->dir | flag_p[0], t_limit);
- if (*firstp) /* First token in this parameter ? */
- {
- *firstp = 0;
- if (*send_itp == 0)
- *send_itp = 1; /* Buffer contains data to be sent */
- sendbuf[(*sblenp)++] = ' ';
- if (is_a_ban)
- {
- sendbuf[(*sblenp)++] = ':'; /* Bans are always the last "parv" */
- sendbuf[(*sblenp)++] = is_a_ban;
+ if (state->flags & MODE_PARSE_SET) { /* set the limit */
+ if (state->dir & MODE_ADD) {
+ state->chptr->mode.mode |= flag_p[0];
+ state->chptr->mode.limit = t_limit;
+ } else {
+ state->chptr->mode.mode &= ~flag_p[0];
+ state->chptr->mode.limit = 0;
}
}
- else /* Of course, 'send_it' is already set here */
- /* Seperate banmasks with a space because
- they can contain commas themselfs: */
- sendbuf[(*sblenp)++] = is_a_ban ? ' ' : ',';
- strcpy(sendbuf + *sblenp, token);
- *sblenp += strlen(token);
- if (!is_a_ban) /* nick list ? Need to take care
- of modes for nicks: */
- {
- static int last_mode = 0;
- mode &= CHFL_CHANOP | CHFL_VOICE;
- if (first)
- last_mode = 0;
- if (last_mode != mode) /* Append mode like ':ov' if changed */
- {
- last_mode = mode;
- sendbuf[(*sblenp)++] = ':';
- if (mode & CHFL_CHANOP)
- sendbuf[(*sblenp)++] = 'o';
- if (mode & CHFL_VOICE)
- sendbuf[(*sblenp)++] = 'v';
- }
- sendbuf[*sblenp] = '\0';
- }
-}
-
-static void cancel_mode(aClient *sptr, aChannel *chptr, char m,
- const char *param, int *count)
-{
- static char *pb, *sbp, *sbpi;
- int paramdoesntfit = 0;
- if (*count == -1) /* initialize ? */
- {
- sbp = sbpi =
- sprintf_irc(sendbuf, ":%s MODE %s -", sptr->name, chptr->chname);
- pb = parabuf;
- *count = 0;
- }
- /* m == 0 means flush */
- if (m)
- {
- if (param)
- {
- size_t nplen = strlen(param);
- if (pb - parabuf + nplen + 23 > MODEBUFLEN)
- paramdoesntfit = 1;
- else
- {
- *sbp++ = m;
- *pb++ = ' ';
- strcpy(pb, param);
- pb += nplen;
- ++*count;
- }
- }
- else
- *sbp++ = m;
- }
- else if (*count == 0)
- return;
- if (*count == 6 || !m || paramdoesntfit)
- {
-#ifndef NO_PROTOCOL9
- Dlink *lp;
- char *sbe;
-#endif
- Link *member;
- strcpy(sbp, parabuf);
-#ifndef NO_PROTOCOL9
- sbe = sbp + strlen(parabuf);
-#endif
- for (member = chptr->members; member; member = member->next)
- if (MyUser(member->value.cptr))
- sendbufto_one(member->value.cptr);
-#ifndef NO_PROTOCOL9
- sprintf_irc(sbe, " " TIME_T_FMT, chptr->creationtime);
- /* Send 'sendbuf' to all 2.9 downlinks: */
- for (lp = me.serv->down; lp; lp = lp->next)
- if (Protocol(lp->value.cptr) < 10)
- sendbufto_one(lp->value.cptr);
-#endif
- sbp = sbpi;
- pb = parabuf;
- *count = 0;
- }
- if (paramdoesntfit)
- {
- *sbp++ = m;
- *pb++ = ' ';
- strcpy(pb, param);
- pb += strlen(param);
- ++*count;
- }
}
/*
- * m_burst -- by Run carlo@runaway.xs4all.nl december 1995 till march 1997
- *
- * parv[0] = sender prefix
- * parv[1] = channel name
- * parv[2] = channel timestamp
- * The meaning of the following parv[]'s depend on their first character:
- * If parv[n] starts with a '+':
- * Net burst, additive modes
- * parv[n] = <mode>
- * parv[n+1] = <param> (optional)
- * parv[n+2] = <param> (optional)
- * If parv[n] starts with a '%', then n will be parc-1:
- * parv[n] = %<ban> <ban> <ban> ...
- * If parv[n] starts with another character:
- * parv[n] = <nick>[:<mode>],<nick>[:<mode>],...
- * where <mode> is the channel mode (ov) of nick and all following nicks.
- *
- * Example:
- * "S BURST #channel 87654321 +ntkl key 123 AAA,AAB:o,BAA,BAB:ov :%ban1 ban2"
- *
- * Anti net.ride code.
- *
- * When the channel already exist, and its TS is larger then
- * the TS in the BURST message, then we cancel all existing modes.
- * If its is smaller then the received BURST message is ignored.
- * If it's equal, then the received modes are just added.
+ * Helper function to convert keys
*/
-int m_burst(aClient *cptr, aClient *sptr, int parc, char *parv[])
+static void
+mode_parse_key(struct ParseState *state, int *flag_p)
{
- Reg1 aChannel *chptr;
- time_t timestamp;
- int netride = 0, wipeout = 0, n;
- int send_it = 0, add_banid_not_called = 1;
- Mode *current_mode;
- size_t sblen, mblen = 0;
- int mblen2, pblen2, cnt;
- int prev_mode;
- char prev_key[KEYLEN + 1];
- Link *lp;
-#ifndef NO_PROTOCOL9
- int ts_sent = 0;
-#endif
-
- /* BURST is only for servers and has at least 4 parameters */
- if (!IsServer(cptr) || parc < 4)
- return 0;
+ char *t_str, *s;
+ int t_len;
- if (!IsBurst(sptr))
- {
- int i;
- char *p;
- if (find_conf_host(cptr->confs, sptr->name, CONF_UWORLD))
- {
- p =
- sprintf_irc(sendbuf,
- ":%s NOTICE * :*** Notice -- HACK(4): %s BURST %s %s", me.name,
- sptr->name, parv[1], parv[2]);
- for (i = 3; i < parc - 1; ++i)
- p = sprintf_irc(p, " %s", parv[i]);
- sprintf_irc(p, " :%s", parv[parc - 1]);
- sendbufto_op_mask(SNO_HACK4);
- }
- else
- {
-#if 1 /* FIXME: This should be removed after all HUBs upgraded to ircu2.10.05 */
- SetBurst(sptr);
- if (MyConnect(sptr))
-#endif
- return exit_client_msg(cptr, cptr, &me,
- "HACK: BURST message outside net.burst from %s", sptr->name);
- }
- }
+ if (MyUser(state->sptr) && state->max_args <= 0) /* drop if too many args */
+ return;
- /* Find the channel, or create it - note that the creation time
- * will be 0 if it has to be created */
- chptr = get_channel(sptr, parv[1], CREATE);
- current_mode = &chptr->mode;
- prev_mode = chptr->mode.mode;
- if (*chptr->mode.key)
- {
- prev_mode |= MODE_KEY;
- strcpy(prev_key, chptr->mode.key);
+ if (state->parc <= 0) { /* warn if not enough args */
+ if (MyUser(state->sptr))
+ need_more_params(state->sptr, state->dir == MODE_ADD ? "MODE +k" :
+ "MODE -k");
+ return;
}
- if (chptr->mode.limit)
- prev_mode |= MODE_LIMIT;
- timestamp = atoi(parv[2]);
+ t_str = state->parv[state->args_used++]; /* grab arg */
+ state->parc--;
+ state->max_args--;
- /* Copy the new TS when the received creationtime appears to be older */
- if (!chptr->creationtime || chptr->creationtime > timestamp)
- {
- /* Set the new timestamp */
- chptr->creationtime = timestamp;
- send_it = 1; /* Make sure we pass on the different timestamp ! */
- /* Mark all bans as needed to be wiped out */
- for (lp = chptr->banlist; lp; lp = lp->next)
- lp->flags |= CHFL_BURST_BAN_WIPEOUT;
- /*
- * Only the first BURST for this channel can have creationtime > timestamp,
- * so at this moment ALL members are on OUR side, and thus all net.riders:
- */
- wipeout = 1;
- }
- for (lp = chptr->members; lp; lp = lp->next)
- lp->flags &= ~CHFL_BURST_JOINED; /* Set later for nicks in the BURST msg */
- /* If `wipeout' is set then these will be deopped later. */
-
- /* If the entering creationtime is younger, ignore the modes */
- if (chptr->creationtime < timestamp)
- netride = 1; /* Only pass on the nicks (so they JOIN) */
-
- /* Prepare buffers to pass the message */
- *bparambuf = *bmodebuf = *parabuf = '\0';
- pblen2 = 0;
- *modebuf = '+';
- mblen2 = 1;
- cnt = 0;
- prefix_len = sblen = sprintf_irc(sendbuf, "%s BURST %s " TIME_T_FMT,
- NumServ(sptr), chptr->chname, chptr->creationtime) - sendbuf;
-
- /* Run over all remaining parameters */
- for (n = 3; n < parc; n++)
- switch (*parv[n]) /* What type is it ? mode, nicks or bans ? */
- {
- case '+': /* modes */
- {
- char *p = parv[n];
- while (*(++p)) /* Run over all mode characters */
- {
- switch (*p) /* which mode ? */
- {
- /*
- * The following cases all do the following:
- * - In case wipeout needed, reset 'prev_mode' to indicate this
- * mode should not be cancelled.
- * - If wipeout or (not netride and the new mode is a change),
- * add it to bmodebuf and bparabuf for propagation.
- * - Else ignore it.
- * - Add it to modebuf and parabuf for propagation to the
- * clients when not netride and the new mode is a change.
- * Special cases:
- * - If a +s is received, cancel a +p and sent a -p to the
- * clients too (if +p was set).
- * - If a +p is received and +s is set, ignore the +p.
- */
- case 'i':
- {
- register int tmp;
- prev_mode &= ~MODE_INVITEONLY;
- if (!(tmp = netride ||
- (current_mode->mode & MODE_INVITEONLY)) || wipeout)
- {
- bmodebuf[mblen++] = 'i';
- current_mode->mode |= MODE_INVITEONLY;
- }
- if (!tmp)
- modebuf[mblen2++] = 'i';
- break;
- }
- case 'k':
- {
- register int tmp;
- char *param = parv[++n];
- prev_mode &= ~MODE_KEY;
- if (!(tmp = netride || (*current_mode->key &&
- (!strcmp(current_mode->key, param) ||
- (!wipeout && strcmp(current_mode->key, param) < 0)))) ||
- wipeout)
- {
- bmodebuf[mblen++] = 'k';
- strcat(bparambuf, " ");
- strcat(bparambuf, param);
- strncpy(current_mode->key, param, KEYLEN);
- }
- if (!tmp && !wipeout)
- {
- modebuf[mblen2++] = 'k';
- parabuf[pblen2++] = ' ';
- strcpy(parabuf + pblen2, param);
- pblen2 += strlen(param);
- cnt++;
- }
- break;
- }
- case 'l':
- {
- register int tmp;
- unsigned int param = atoi(parv[++n]);
- prev_mode &= ~MODE_LIMIT;
- if (!(tmp = netride || (current_mode->limit &&
- (current_mode->limit == param ||
- (!wipeout && current_mode->limit < param)))) || wipeout)
- {
- bmodebuf[mblen++] = 'l';
- sprintf_irc(bparambuf + strlen(bparambuf), " %d", param);
- current_mode->limit = param;
- }
- if (!tmp)
- {
- modebuf[mblen2++] = 'l';
- pblen2 = sprintf_irc(parabuf + pblen2, " %d", param) - parabuf;
- cnt++;
- }
- break;
- }
- case 'm':
- {
- register int tmp;
- prev_mode &= ~MODE_MODERATED;
- if (!(tmp = netride ||
- (current_mode->mode & MODE_MODERATED)) || wipeout)
- {
- bmodebuf[mblen++] = 'm';
- current_mode->mode |= MODE_MODERATED;
- }
- if (!tmp)
- modebuf[mblen2++] = 'm';
- break;
- }
- case 'n':
- {
- register int tmp;
- prev_mode &= ~MODE_NOPRIVMSGS;
- if (!(tmp = netride ||
- (current_mode->mode & MODE_NOPRIVMSGS)) || wipeout)
- {
- bmodebuf[mblen++] = 'n';
- current_mode->mode |= MODE_NOPRIVMSGS;
- }
- if (!tmp)
- modebuf[mblen2++] = 'n';
- break;
- }
- case 'p':
- {
- register int tmp;
-
- /* Special case: */
- if (!netride && !wipeout && (current_mode->mode & MODE_SECRET))
- break;
-
- prev_mode &= ~MODE_PRIVATE;
- if (!(tmp = netride ||
- (current_mode->mode & MODE_PRIVATE)) || wipeout)
- {
- bmodebuf[mblen++] = 'p';
- current_mode->mode |= MODE_PRIVATE;
- }
- if (!tmp)
- modebuf[mblen2++] = 'p';
- break;
- }
- case 's':
- {
- register int tmp;
- prev_mode &= ~MODE_SECRET;
- if (!(tmp = netride ||
- (current_mode->mode & MODE_SECRET)) || wipeout)
- {
- bmodebuf[mblen++] = 's';
- current_mode->mode |= MODE_SECRET;
- }
- if (!tmp)
- modebuf[mblen2++] = 's';
-
- /* Special case: */
- if (!netride && !wipeout && (current_mode->mode & MODE_PRIVATE))
- {
- int i;
- for (i = mblen2 - 1; i >= 0; --i)
- modebuf[i + 2] = modebuf[i];
- modebuf[0] = '-';
- modebuf[1] = 'p';
- mblen2 += 2;
- current_mode->mode &= ~MODE_PRIVATE;
- }
-
- break;
- }
- case 't':
- {
- register int tmp;
- prev_mode &= ~MODE_TOPICLIMIT;
- if (!(tmp = netride ||
- (current_mode->mode & MODE_TOPICLIMIT)) || wipeout)
- {
- bmodebuf[mblen++] = 't';
- current_mode->mode |= MODE_TOPICLIMIT;
- }
- if (!tmp)
- modebuf[mblen2++] = 't';
- break;
- }
- }
- } /* <-- while over all modes */
-
- bmodebuf[mblen] = '\0';
- sendbuf[sblen] = '\0';
- if (mblen) /* Anything to send at all ? */
- {
- send_it = 1;
- strcpy(sendbuf + sblen, " +");
- sblen += 2;
- strcpy(sendbuf + sblen, bmodebuf);
- sblen += mblen;
- strcpy(sendbuf + sblen, bparambuf);
- sblen += strlen(bparambuf);
- }
- break; /* Done mode part */
- }
- case '%': /* bans */
- {
- char *pv, *p = NULL, *ban;
- int first = 1;
- if (netride)
- break; /* Ignore bans */
- /* Run over all bans */
- for (pv = parv[n] + 1; (ban = strtoken(&p, pv, " ")); pv = NULL)
- {
- int ret;
- /*
- * The following part should do the following:
- * - If the new (un)ban is not a _change_ it is ignored.
- * - Else, add it to sendbuf for later use.
- * - If sendbuf is full, send it, and prepare a new
- * message in sendbuf.
- */
- ret = add_banid(sptr, chptr, ban, 1, add_banid_not_called);
- if (ret == 0)
- {
- add_banid_not_called = 0;
- /* Mark this new ban so we can send it to the clients later */
- chptr->banlist->flags |= CHFL_BURST_BAN;
- }
- if (ret != -1)
- /* A new ban was added or an existing one needs to be passed on.
- * Also add it to sendbuf: */
- add_token_to_sendbuf(ban, &sblen, &first, &send_it, '%', 0);
- }
- break; /* Done bans part */
- }
- default: /* nicks */
- {
- char *pv, *p = NULL, *nick, *ptr;
- int first = 1;
- /* Default mode: */
- int default_mode = CHFL_DEOPPED;
- /* Run over all nicks */
- for (pv = parv[n]; (nick = strtoken(&p, pv, ",")); pv = NULL)
- {
- aClient *acptr;
- if ((ptr = strchr(nick, ':'))) /* New default mode ? */
- {
- *ptr = '\0'; /* Fix 'nick' */
- acptr = findNUser(nick);
- if (!netride)
- {
- /* Calculate new mode change: */
- default_mode = CHFL_DEOPPED;
- while (*(++ptr))
- if (*ptr == 'o')
- {
- default_mode |= CHFL_CHANOP;
- default_mode &= ~CHFL_DEOPPED;
- }
- else if (*ptr == 'v')
- default_mode |= CHFL_VOICE;
- else
- break;
- }
- }
- else
- acptr = findNUser(nick);
- /*
- * Note that at this point we already received a 'NICK' for any
- * <nick> numeric that is joining (and possibly opped) here.
- * Therefore we consider the following situations:
- * - The <nick> numeric exists and is from the direction of cptr: ok
- * - The <nick> numeric does not exist:
- * Apparently this previous <nick> numeric was killed (upstream)
- * or it collided with an existing <nick> name.
- * - The <nick> numeric exists but is from another direction:
- * Apparently this previous <nick> numeric was killed,
- * and due to a reroute it signed on via another link (probably
- * a nick [numeric] collision).
- * Note that it can't be a QUIT or SQUIT, because a QUIT would
- * come from the same direction as the BURST (cptr) while an
- * upstream SQUIT removes the source (server) and we would thus
- * have this BURST ignored already.
- * This means that if we find the nick and it is from the correct
- * direction, it joins. If it doesn't exist or is from another
- * direction, we have to ignore it. If all nicks are ignored, we
- * remove the channel again when it is empty and don't propagate
- * the BURST message.
- */
- if (acptr && acptr->from == cptr)
- {
- /*
- * The following should do the following:
- * - Add it to sendbuf for later use.
- * - If sendbuf is full, send it, and prepare a new
- * message in sendbuf.
- */
- add_token_to_sendbuf(nick, &sblen, &first, &send_it, 0,
- default_mode);
- /* Let is take effect: (Note that in the case of a netride
- * 'default_mode' is always CHFL_DEOPPED here). */
- add_user_to_channel(chptr, acptr, default_mode);
- chptr->members->flags |= CHFL_BURST_JOINED;
- }
- } /* <-- Next nick */
- if (!chptr->members) /* All nicks collided and channel is empty ? */
- {
- sub1_from_channel(chptr);
- return 0; /* Forget about the (rest of the) message... */
- }
- break; /* Done nicks part */
- }
- } /* <-- Next parameter if any */
- if (!chptr->members) /* This message only contained bans (then the previous
- message only contained collided nicks, see above) */
- {
- sub1_from_channel(chptr);
- if (!add_banid_not_called)
- while (next_removed_overlapped_ban());
- return 0; /* Forget about the (rest of the) message... */
+ /* If they're not an oper, they can't change modes */
+ if (state->flags & (MODE_PARSE_NOTOPER | MODE_PARSE_NOTMEMBER)) {
+ send_notoper(state);
+ return;
}
- /* The last (possibly only) message is always send here */
- if (send_it) /* Anything (left) to send ? */
- {
- Dlink *lp;
- Link *member;
+ if (state->done & DONE_KEY) /* allow key to be set only once */
+ return;
+ state->done |= DONE_KEY;
- /* send 'sendbuf' to all downlinks */
- for (lp = me.serv->down; lp; lp = lp->next)
- {
- if (lp->value.cptr == cptr)
- continue;
- if (Protocol(lp->value.cptr) > 9)
- sendbufto_one(lp->value.cptr);
- }
+ t_len = KEYLEN + 1;
- /*
- * Now we finally can screw sendbuf again...
- * Send all changes to the local clients:
- *
- * First send all joins and op them, because 2.9 servers
- * would protest with a HACK if we first de-opped people.
- * However, we don't send the +b bans yes, because we
- * DO first want to -b the old bans (otherwise it's confusing).
- */
+ /* clean up the key string */
+ s = t_str;
+ while (*++s > ' ' && *s != ':' && --t_len)
+ ;
+ *s = '\0';
- /* Send all joins: */
- for (member = chptr->members; member; member = member->next)
- if (member->flags & CHFL_BURST_JOINED)
- {
- sendto_channel_butserv(chptr, member->value.cptr, ":%s JOIN :%s",
- member->value.cptr->name, chptr->chname);
-#ifndef NO_PROTOCOL9
- /* And to 2.9 servers: */
- sendto_lowprot_butone(cptr, 9, ":%s JOIN %s",
- member->value.cptr->name, chptr->chname);
-#endif
- }
-
- if (!netride)
- {
- /* Send all +o and +v modes: */
- for (member = chptr->members; member; member = member->next)
- {
- if ((member->flags & CHFL_BURST_JOINED))
- {
- int mode = CHFL_CHANOP;
- for (;;)
- {
- if ((member->flags & mode))
- {
- modebuf[mblen2++] = (mode == CHFL_CHANOP) ? 'o' : 'v';
- parabuf[pblen2++] = ' ';
- strcpy(parabuf + pblen2, member->value.cptr->name);
- pblen2 += strlen(member->value.cptr->name);
- if (6 == ++cnt)
- {
- modebuf[mblen2] = 0;
- sendto_channel_butserv(chptr, sptr, ":%s MODE %s %s%s",
- parv[0], chptr->chname, modebuf, parabuf);
-#ifndef NO_PROTOCOL9
- sendto_lowprot_butone(cptr, 9, ":%s MODE %s %s%s " TIME_T_FMT,
- parv[0], chptr->chname, modebuf, parabuf,
- chptr->creationtime);
- ts_sent = 1;
-#endif
- *parabuf = 0;
- pblen2 = 0;
- mblen2 = 1;
- cnt = 0;
- }
- }
- if (mode == CHFL_CHANOP)
- mode = CHFL_VOICE;
- else
- break;
- }
- }
- }
- /* Flush MODEs: */
- if (cnt > 0 || mblen2 > 1)
- {
- modebuf[mblen2] = 0;
- sendto_channel_butserv(chptr, sptr, ":%s MODE %s %s%s",
- parv[0], chptr->chname, modebuf, parabuf);
-#ifndef NO_PROTOCOL9
- sendto_lowprot_butone(cptr, 9, ":%s MODE %s %s%s " TIME_T_FMT,
- parv[0], chptr->chname, modebuf, parabuf, chptr->creationtime);
- ts_sent = 1;
-#endif
- }
-#ifndef NO_PROTOCOL9
- else if (send_it && !ts_sent)
- {
- sendto_lowprot_butone(cptr, 9, ":%s MODE %s + " TIME_T_FMT,
- parv[0], chptr->chname, chptr->creationtime);
- ts_sent = 1;
- }
-#endif
- }
+ if (!*t_str) { /* warn if empty */
+ if (MyUser(state->sptr))
+ need_more_params(state->sptr, state->dir == MODE_ADD ? "MODE +k" :
+ "MODE -k");
+ return;
}
- if (wipeout)
- {
- Link *lp;
- Link **ban;
- int mode;
- char m;
- int count = -1;
-
- /* Now cancel all previous simple modes */
- if ((prev_mode & MODE_SECRET))
- cancel_mode(sptr, chptr, 's', NULL, &count);
- if ((prev_mode & MODE_PRIVATE))
- cancel_mode(sptr, chptr, 'p', NULL, &count);
- if ((prev_mode & MODE_MODERATED))
- cancel_mode(sptr, chptr, 'm', NULL, &count);
- if ((prev_mode & MODE_TOPICLIMIT))
- cancel_mode(sptr, chptr, 't', NULL, &count);
- if ((prev_mode & MODE_INVITEONLY))
- cancel_mode(sptr, chptr, 'i', NULL, &count);
- if ((prev_mode & MODE_NOPRIVMSGS))
- cancel_mode(sptr, chptr, 'n', NULL, &count);
- if ((prev_mode & MODE_LIMIT))
- {
- current_mode->limit = 0;
- cancel_mode(sptr, chptr, 'l', NULL, &count);
- }
- if ((prev_mode & MODE_KEY))
- {
- *current_mode->key = 0;
- cancel_mode(sptr, chptr, 'k', prev_key, &count);
- }
- current_mode->mode &= ~prev_mode;
+ if (!state->mbuf)
+ return;
- /* And deop and devoice all net.riders on my side */
- mode = CHFL_CHANOP;
- m = 'o';
- for (;;)
- {
- for (lp = chptr->members; lp; lp = lp->next)
- {
- if ((lp->flags & CHFL_BURST_JOINED))
- continue; /* This is not a net.rider from
- this side of the net.junction */
- if ((lp->flags & mode))
- {
- lp->flags &= ~mode;
- if (mode == CHFL_CHANOP)
- lp->flags |= CHFL_DEOPPED;
- cancel_mode(sptr, chptr, m, lp->value.cptr->name, &count);
- }
- }
- if (mode == CHFL_VOICE)
- break;
- mode = CHFL_VOICE;
- m = 'v';
+ /* can't add a key if one is set, nor can one remove the wrong key */
+ if (!(state->flags & MODE_PARSE_FORCE))
+ if ((state->dir == MODE_ADD && *state->chptr->mode.key) ||
+ (state->dir == MODE_DEL &&
+ ircd_strcmp(state->chptr->mode.key, t_str))) {
+ send_reply(state->sptr, ERR_KEYSET, state->chptr->chname);
+ return;
}
- /* And finally wipeout all bans that are left */
- for (ban = &chptr->banlist; *ban;)
- {
- Link *tmp = *ban;
- if ((tmp->flags & CHFL_BURST_BAN_WIPEOUT))
- {
- cancel_mode(sptr, chptr, 'b', tmp->value.ban.banstr, &count);
- /* Copied from del_banid(): */
- *ban = tmp->next;
- RunFree(tmp->value.ban.banstr);
- RunFree(tmp->value.ban.who);
- free_link(tmp);
- /* Erase ban-valid-bit, for channel members that are banned */
- for (tmp = chptr->members; tmp; tmp = tmp->next)
- if ((tmp->flags & (CHFL_BANNED | CHFL_BANVALID)) ==
- (CHFL_BANNED | CHFL_BANVALID))
- tmp->flags &= ~CHFL_BANVALID; /* `tmp' == channel member */
- }
- else
- ban = &tmp->next;
- }
- /* Also wipeout overlapped bans */
- if (!add_banid_not_called)
- {
- Link *ban;
- while ((ban = next_removed_overlapped_ban()))
- cancel_mode(sptr, chptr, 'b', ban->value.ban.banstr, &count);
- }
- cancel_mode(sptr, chptr, 0, NULL, &count); /* flush */
- }
+ if (!(state->flags & MODE_PARSE_WIPEOUT) && state->dir == MODE_ADD &&
+ !ircd_strcmp(state->chptr->mode.key, t_str))
+ return; /* no key change */
- if (send_it && !netride)
- {
- Link *bl;
- int deban;
-
- if (add_banid_not_called || !(bl = next_removed_overlapped_ban()))
- {
- deban = 0;
- bl = chptr->banlist;
- *modebuf = '+';
- }
- else
- {
- deban = 1;
- *modebuf = '-';
- }
+ if (state->flags & MODE_PARSE_BOUNCE) {
+ if (*state->chptr->mode.key) /* reset old key */
+ modebuf_mode_string(state->mbuf, MODE_DEL | flag_p[0],
+ state->chptr->mode.key, 0);
+ else /* remove new bogus key */
+ modebuf_mode_string(state->mbuf, MODE_ADD | flag_p[0], t_str, 0);
+ } else /* send new key */
+ modebuf_mode_string(state->mbuf, state->dir | flag_p[0], t_str, 0);
- mblen2 = 1;
- pblen2 = 0;
- cnt = 0;
- for (;;)
- {
- size_t nblen = 0;
- if (bl)
- nblen = strlen(bl->value.ban.banstr);
- if (cnt == 6 || (!bl && cnt) || pblen2 + nblen + 12 > MODEBUFLEN) /* The last check is to make sure
- that the receiving 2.9 will
- still process this */
- {
- /* Time to send buffer */
- modebuf[mblen2] = 0;
- sendto_channel_butserv(chptr, sptr, ":%s MODE %s %s%s",
- parv[0], chptr->chname, modebuf, parabuf);
-#ifndef NO_PROTOCOL9
- sendto_lowprot_butone(cptr, 9, ":%s MODE %s %s%s",
- parv[0], chptr->chname, modebuf, parabuf);
-#endif
- *modebuf = deban ? '-' : '+';
- mblen2 = 1;
- pblen2 = 0;
- cnt = 0;
- }
- if (!bl) /* Done ? */
- break;
- if (deban || (bl->flags & CHFL_BURST_BAN))
- {
- /* Add ban to buffers and remove it */
- modebuf[mblen2++] = 'b';
- parabuf[pblen2++] = ' ';
- strcpy(parabuf + pblen2, bl->value.ban.banstr);
- pblen2 += nblen;
- cnt++;
- bl->flags &= ~CHFL_BURST_BAN;
- }
- if (deban)
- {
- if (!(bl = next_removed_overlapped_ban()))
- {
- deban = 0;
- modebuf[mblen2++] = '+';
- bl = chptr->banlist;
- }
- }
- else
- bl = bl->next;
- }
- /* Flush MODE [-b]+b ...: */
- if (cnt > 0 || mblen2 > 1)
- {
- modebuf[mblen2] = 0;
- sendto_channel_butserv(chptr, sptr, ":%s MODE %s %s%s",
- parv[0], chptr->chname, modebuf, parabuf);
-#ifndef NO_PROTOCOL9
- sendto_lowprot_butone(cptr, 9, ":%s MODE %s %s%s " TIME_T_FMT,
- parv[0], chptr->chname, modebuf, parabuf, chptr->creationtime);
-#endif
- }
-#ifndef NO_PROTOCOL9
- else if (send_it && !ts_sent)
- sendto_lowprot_butone(cptr, 9, ":%s MODE %s + " TIME_T_FMT,
- parv[0], chptr->chname, chptr->creationtime);
-#endif
+ if (state->flags & MODE_PARSE_SET) {
+ if (state->dir == MODE_ADD) /* set the new key */
+ ircd_strncpy(state->chptr->mode.key, t_str, KEYLEN);
+ else /* remove the old key */
+ *state->chptr->mode.key = '\0';
}
-
- return 0;
}
/*
- * m_part
- *
- * parv[0] = sender prefix
- * parv[1] = channel
- * parv[parc - 1] = comment
+ * Helper function to convert bans
*/
-int m_part(aClient *cptr, aClient *sptr, int parc, char *parv[])
+static void
+mode_parse_ban(struct ParseState *state, int *flag_p)
{
- Reg1 aChannel *chptr;
- Reg2 Link *lp;
- char *p = NULL, *name, pbuf[BUFSIZE];
- char *comment = (parc > 2 && !BadPtr(parv[parc - 1])) ? parv[parc - 1] : NULL;
+ char *t_str, *s;
+ struct SLink *ban, *newban = 0;
- *pbuf = '\0'; /* Initialize the part buffer... -Kev */
-
- sptr->flags &= ~FLAGS_TS8;
+ if (state->parc <= 0) { /* Not enough args, send ban list */
+ if (MyUser(state->sptr) && !(state->done & DONE_BANLIST)) {
+ send_ban_list(state->sptr, state->chptr);
+ state->done |= DONE_BANLIST;
+ }
- if (parc < 2 || parv[1][0] == '\0')
- {
- sendto_one(sptr, err_str(ERR_NEEDMOREPARAMS), me.name, parv[0], "PART");
- return 0;
+ return;
}
- for (; (name = strtoken(&p, parv[1], ",")); parv[1] = NULL)
- {
- chptr = get_channel(sptr, name, !CREATE);
- if (!chptr)
- {
- sendto_one(sptr, err_str(ERR_NOSUCHCHANNEL), me.name, parv[0], name);
- continue;
- }
- if (*name == '&' && !MyUser(sptr))
- continue;
- /* Do not use IsMember here: zombies must be able to part too */
- if (!(lp = find_user_link(chptr->members, sptr)))
- {
- /* Normal to get when our client did a kick
- for a remote client (who sends back a PART),
- so check for remote client or not --Run */
- if (MyUser(sptr))
- sendto_one(sptr, err_str(ERR_NOTONCHANNEL), me.name, parv[0],
- chptr->chname);
- continue;
- }
- /* Recreate the /part list for sending to servers */
- if (*name != '&')
- {
- if (*pbuf)
- strcat(pbuf, ",");
- strcat(pbuf, name);
- }
- if (can_send(sptr, chptr) != 0) /* Returns 0 if we CAN send */
- comment = NULL;
- /* Send part to all clients */
- if (!(lp->flags & CHFL_ZOMBIE))
- {
- if (comment)
- sendto_channel_butserv(chptr, sptr, PartFmt2, parv[0], chptr->chname,
- comment);
- else
- sendto_channel_butserv(chptr, sptr, PartFmt1, parv[0], chptr->chname);
- }
- else if (MyUser(sptr))
- {
- if (comment)
- sendto_one(sptr, PartFmt2, parv[0], chptr->chname, comment);
- else
- sendto_one(sptr, PartFmt1, parv[0], chptr->chname);
- }
- remove_user_from_channel(sptr, chptr);
- }
- /* Send out the parts to all servers... -Kev */
- if (*pbuf)
- {
- if (comment)
- sendto_serv_butone(cptr, PartFmt2, parv[0], pbuf, comment);
- else
- sendto_serv_butone(cptr, PartFmt1, parv[0], pbuf);
- }
- return 0;
-}
+ if (MyUser(state->sptr) && state->max_args <= 0) /* drop if too many args */
+ return;
-/*
- * m_kick
- *
- * parv[0] = sender prefix
- * parv[1] = channel
- * parv[2] = client to kick
- * parv[parc-1] = kick comment
- */
-int m_kick(aClient *cptr, aClient *sptr, int parc, char *parv[])
-{
- aClient *who;
- aChannel *chptr;
- char *comment;
- Link *lp, *lp2;
+ t_str = state->parv[state->args_used++]; /* grab arg */
+ state->parc--;
+ state->max_args--;
- sptr->flags &= ~FLAGS_TS8;
+ /* If they're not an oper, they can't change modes */
+ if (state->flags & (MODE_PARSE_NOTOPER | MODE_PARSE_NOTMEMBER)) {
+ send_notoper(state);
+ return;
+ }
- if (parc < 3 || *parv[1] == '\0')
- {
- sendto_one(sptr, err_str(ERR_NEEDMOREPARAMS), me.name, parv[0], "KICK");
- return 0;
+ if ((s = strchr(t_str, ' ')))
+ *s = '\0';
+
+ if (!*t_str || *t_str == ':') { /* warn if empty */
+ if (MyUser(state->sptr))
+ need_more_params(state->sptr, state->dir == MODE_ADD ? "MODE +b" :
+ "MODE -b");
+ return;
}
- if (IsServer(sptr))
- send_hack_notice(cptr, sptr, parc, parv, 1, 3);
+ t_str = collapse(pretty_mask(t_str));
- comment = (BadPtr(parv[parc - 1])) ? parv[0] : parv[parc - 1];
- if (strlen(comment) > (size_t)TOPICLEN)
- comment[TOPICLEN] = '\0';
+ /* remember the ban for the moment... */
+ if (state->dir == MODE_ADD) {
+ newban = state->banlist + (state->numbans++);
+ newban->next = 0;
- *nickbuf = *buf = '\0';
+ DupString(newban->value.ban.banstr, t_str);
+ newban->value.ban.who = cli_name(state->sptr);
+ newban->value.ban.when = TStime();
- chptr = get_channel(sptr, parv[1], !CREATE);
- if (!chptr)
- {
- sendto_one(sptr, err_str(ERR_NOSUCHCHANNEL), me.name, parv[0], parv[1]);
- return 0;
- }
- if (IsLocalChannel(parv[1]) && !MyUser(sptr))
- return 0;
- if (IsModelessChannel(parv[1]))
- {
- sendto_one(sptr, err_str(ERR_CHANOPRIVSNEEDED), me.name, parv[0],
- chptr->chname);
- return 0;
- }
- if (!IsServer(cptr) && !is_chan_op(sptr, chptr))
- {
- sendto_one(sptr, err_str(ERR_CHANOPRIVSNEEDED),
- me.name, parv[0], chptr->chname);
- return 0;
- }
+ newban->flags = CHFL_BAN | MODE_ADD;
- lp2 = find_user_link(chptr->members, sptr);
- if (MyUser(sptr) || Protocol(cptr) < 10)
- {
- if (!(who = find_chasing(sptr, parv[2], NULL)))
- return 0; /* No such user left! */
- }
- else if (!(who = findNUser(parv[2])))
- return 0; /* No such user left! */
- /* if the user is +k, prevent a kick from local user */
- if (IsChannelService(who) && MyUser(sptr))
- {
- sendto_one(sptr, err_str(ERR_ISCHANSERVICE), me.name,
- parv[0], who->name, chptr->chname);
- return 0;
+ if ((s = strrchr(t_str, '@')) && check_if_ipmask(s + 1))
+ newban->flags |= CHFL_BAN_IPMASK;
}
-#ifdef NO_OPER_DEOP_LCHAN
- /*
- * Prevent kicking opers from local channels -DM-
- */
- if (IsOperOnLocalChannel(who, chptr->chname))
- {
- sendto_one(sptr, err_str(ERR_ISOPERLCHAN), me.name,
- parv[0], who->name, chptr->chname);
- return 0;
+
+ if (!state->chptr->banlist) {
+ state->chptr->banlist = newban; /* add our ban with its flags */
+ state->done |= DONE_BANCLEAN;
+ return;
}
-#endif
- if (((lp = find_user_link(chptr->members, who)) &&
- !(lp->flags & CHFL_ZOMBIE)) || IsServer(sptr))
- {
- if (who->from != cptr &&
- ((lp2 && (lp2->flags & CHFL_DEOPPED)) || (!lp2 && IsUser(sptr))))
- {
- /*
- * Bounce here:
- * cptr must be a server (or cptr == sptr and
- * sptr->flags can't have DEOPPED set
- * when CHANOP is set).
- */
- sendto_one(cptr, ":%s JOIN %s", who->name, parv[1]);
- if (lp->flags & CHFL_CHANOP)
- {
- if (Protocol(cptr) < 10)
- sendto_one(cptr, ":%s MODE %s +o %s " TIME_T_FMT,
- me.name, parv[1], who->name, chptr->creationtime);
- else
- sendto_one(cptr, "%s MODE %s +o %s%s " TIME_T_FMT,
- NumServ(&me), parv[1], NumNick(who), chptr->creationtime);
- }
- if (lp->flags & CHFL_VOICE)
- {
- if (Protocol(cptr) < 10)
- sendto_one(cptr, ":%s MODE %s +v %s " TIME_T_FMT,
- me.name, chptr->chname, who->name, chptr->creationtime);
- else
- sendto_one(cptr, "%s MODE %s +v %s%s " TIME_T_FMT,
- NumServ(&me), parv[1], NumNick(who), chptr->creationtime);
- }
- }
- else
- {
- if (lp)
- sendto_channel_butserv(chptr, sptr,
- ":%s KICK %s %s :%s", parv[0], chptr->chname, who->name, comment);
- if (!IsLocalChannel(parv[1]))
- {
- sendto_lowprot_butone(cptr, 9, ":%s KICK %s %s :%s",
- parv[0], chptr->chname, who->name, comment);
- sendto_highprot_butone(cptr, 10, ":%s KICK %s %s%s :%s",
- parv[0], parv[1], NumNick(who), comment);
- }
- if (lp)
- {
-/*
- * Consider:
- *
- * client
- * |
- * c
- * |
- * X --a--> A --b--> B --d--> D
- * |
- * who
- *
- * Where `who' is being KICK-ed by a "KICK" message received by server 'A'
- * via 'a', or on server 'B' via either 'b' or 'c', or on server D via 'd'.
- *
- * a) On server A : set CHFL_ZOMBIE for `who' (lp) and pass on the KICK.
- * Remove the user immedeately when no users are left on the channel.
- * b) On server B : remove the user (who/lp) from the channel, send a
- * PART upstream (to A) and pass on the KICK.
- * c) KICKed by `client'; On server B : remove the user (who/lp) from the
- * channel, and pass on the KICK.
- * d) On server D : remove the user (who/lp) from the channel, and pass on
- * the KICK.
- *
- * Note:
- * - Setting the ZOMBIE flag never hurts, we either remove the
- * client after that or we don't.
- * - The KICK message was already passed on, as should be in all cases.
- * - `who' is removed in all cases except case a) when users are left.
- * - A PART is only sent upstream in case b).
- *
- * 2 aug 97:
- *
- * 6
- * |
- * 1 --- 2 --- 3 --- 4 --- 5
- * | |
- * kicker who
- *
- * We also need to turn 'who' into a zombie on servers 1 and 6,
- * because a KICK from 'who' (kicking someone else in that direction)
- * can arrive there afterwards - which should not be bounced itself.
- * Therefore case a) also applies for servers 1 and 6.
- *
- * --Run
- */
- /* Default for case a): */
- lp->flags |= CHFL_ZOMBIE;
- /* Case b) or c) ?: */
- if (MyUser(who)) /* server 4 */
- {
- if (IsServer(cptr)) /* Case b) ? */
- sendto_one(cptr, PartFmt1, who->name, parv[1]);
- remove_user_from_channel(who, chptr);
- return 0;
- }
- if (who->from == cptr) /* True on servers 1, 5 and 6 */
- {
- aClient *acptr = IsServer(sptr) ? sptr : sptr->user->server;
- for (; acptr != &me; acptr = acptr->serv->up)
- if (acptr == who->user->server) /* Case d) (server 5) */
- {
- remove_user_from_channel(who, chptr);
- return 0;
- }
- }
- /* Case a) (servers 1, 2, 3 and 6) */
- for (lp = chptr->members; lp; lp = lp->next)
- if (!(lp->flags & CHFL_ZOMBIE))
- break;
- if (!lp)
- remove_user_from_channel(who, chptr);
-#ifdef GODMODE
- else
- sendto_op_mask(SNO_HACK2, "%s is now a zombie on %s",
- who->name, chptr->chname);
-#endif
+ /* Go through all bans */
+ for (ban = state->chptr->banlist; ban; ban = ban->next) {
+ /* first, clean the ban flags up a bit */
+ if (!(state->done & DONE_BANCLEAN))
+ /* Note: We're overloading *lots* of bits here; be careful! */
+ ban->flags &= ~(MODE_ADD | MODE_DEL | CHFL_BAN_OVERLAPPED);
+
+ /* Bit meanings:
+ *
+ * MODE_ADD - Ban was added; if we're bouncing modes,
+ * then we'll remove it below; otherwise,
+ * we'll have to allocate a real ban
+ *
+ * MODE_DEL - Ban was marked for deletion; if we're
+ * bouncing modes, we'll have to re-add it,
+ * otherwise, we'll have to remove it
+ *
+ * CHFL_BAN_OVERLAPPED - The ban we added turns out to overlap
+ * with a ban already set; if we're
+ * bouncing modes, we'll have to bounce
+ * this one; otherwise, we'll just ignore
+ * it when we process added bans
+ */
+
+ if (state->dir == MODE_DEL && !ircd_strcmp(ban->value.ban.banstr, t_str)) {
+ ban->flags |= MODE_DEL; /* delete one ban */
+
+ if (state->done & DONE_BANCLEAN) /* If we're cleaning, finish */
+ break;
+ } else if (state->dir == MODE_ADD) {
+ /* if the ban already exists, don't worry about it */
+ if (!ircd_strcmp(ban->value.ban.banstr, t_str)) {
+ newban->flags &= ~MODE_ADD; /* don't add ban at all */
+ MyFree(newban->value.ban.banstr); /* stopper a leak */
+ state->numbans--; /* deallocate last ban */
+ if (state->done & DONE_BANCLEAN) /* If we're cleaning, finish */
+ break;
+ } else if (!mmatch(ban->value.ban.banstr, t_str)) {
+ if (!(ban->flags & MODE_DEL))
+ newban->flags |= CHFL_BAN_OVERLAPPED; /* our ban overlaps */
+ } else if (!mmatch(t_str, ban->value.ban.banstr))
+ ban->flags |= MODE_DEL; /* mark ban for deletion: overlapping */
+
+ if (!ban->next && (newban->flags & MODE_ADD)) {
+ ban->next = newban; /* add our ban with its flags */
+ break; /* get out of loop */
}
}
}
- else if (MyUser(sptr))
- sendto_one(sptr, err_str(ERR_USERNOTINCHANNEL),
- me.name, parv[0], who->name, chptr->chname);
-
- return 0;
+ state->done |= DONE_BANCLEAN;
}
/*
- * m_topic
- *
- * parv[0] = sender prefix
- * parv[1] = channel
- * parv[parc - 1] = topic (if parc > 2)
+ * This is the bottom half of the ban processor
*/
-int m_topic(aClient *cptr, aClient *sptr, int parc, char *parv[])
+static void
+mode_process_bans(struct ParseState *state)
{
- aChannel *chptr;
- char *topic = NULL, *name, *p = NULL;
+ struct SLink *ban, *newban, *prevban, *nextban;
+ int count = 0;
+ int len = 0;
+ int banlen;
+ int changed = 0;
- if (parc < 2)
- {
- sendto_one(sptr, err_str(ERR_NEEDMOREPARAMS), me.name, parv[0], "TOPIC");
- return 0;
- }
+ for (prevban = 0, ban = state->chptr->banlist; ban; ban = nextban) {
+ count++;
+ banlen = strlen(ban->value.ban.banstr);
+ len += banlen;
+ nextban = ban->next;
- if (parc > 2)
- topic = parv[parc - 1];
+ if ((ban->flags & (MODE_DEL | MODE_ADD)) == (MODE_DEL | MODE_ADD)) {
+ if (prevban)
+ prevban->next = 0; /* Break the list; ban isn't a real ban */
+ else
+ state->chptr->banlist = 0;
+
+ count--;
+ len -= banlen;
+
+ MyFree(ban->value.ban.banstr);
- for (; (name = strtoken(&p, parv[1], ",")); parv[1] = NULL)
- {
- chptr = NULL;
- if (!IsChannelName(name) || !(chptr = FindChannel(name)) ||
- ((topic || SecretChannel(chptr)) && !IsMember(sptr, chptr)))
- {
- sendto_one(sptr, err_str(chptr ? ERR_NOTONCHANNEL : ERR_NOSUCHCHANNEL),
- me.name, parv[0], chptr ? chptr->chname : name);
- continue;
- }
- if (IsModelessChannel(name))
- {
- sendto_one(sptr, err_str(ERR_CHANOPRIVSNEEDED), me.name, parv[0],
- chptr->chname);
- continue;
- }
- if (IsLocalChannel(name) && !MyUser(sptr))
continue;
+ } else if (ban->flags & MODE_DEL) { /* Deleted a ban? */
+ modebuf_mode_string(state->mbuf, MODE_DEL | MODE_BAN,
+ ban->value.ban.banstr,
+ state->flags & MODE_PARSE_SET);
+
+ if (state->flags & MODE_PARSE_SET) { /* Ok, make it take effect */
+ if (prevban) /* clip it out of the list... */
+ prevban->next = ban->next;
+ else
+ state->chptr->banlist = ban->next;
- if (!topic) /* only asking for topic */
- {
- if (chptr->topic[0] == '\0')
- sendto_one(sptr, rpl_str(RPL_NOTOPIC), me.name, parv[0], chptr->chname);
+ count--;
+ len -= banlen;
+
+ MyFree(ban->value.ban.who);
+ free_link(ban);
+
+ changed++;
+ continue; /* next ban; keep prevban like it is */
+ } else
+ ban->flags &= (CHFL_BAN | CHFL_BAN_IPMASK); /* unset other flags */
+ } else if (ban->flags & MODE_ADD) { /* adding a ban? */
+ if (prevban)
+ prevban->next = 0; /* Break the list; ban isn't a real ban */
else
- {
- sendto_one(sptr, rpl_str(RPL_TOPIC),
- me.name, parv[0], chptr->chname, chptr->topic);
- sendto_one(sptr, rpl_str(RPL_TOPICWHOTIME),
- me.name, parv[0], chptr->chname,
- chptr->topic_nick, chptr->topic_time);
+ state->chptr->banlist = 0;
+
+ /* If we're supposed to ignore it, do so. */
+ if (ban->flags & CHFL_BAN_OVERLAPPED &&
+ !(state->flags & MODE_PARSE_BOUNCE)) {
+ count--;
+ len -= banlen;
+
+ MyFree(ban->value.ban.banstr);
+ } else {
+ if (state->flags & MODE_PARSE_SET && MyUser(state->sptr) &&
+ (len > (feature_int(FEAT_AVBANLEN) * feature_int(FEAT_MAXBANS)) ||
+ count >= feature_int(FEAT_MAXBANS))) {
+ send_reply(state->sptr, ERR_BANLISTFULL, state->chptr->chname,
+ ban->value.ban.banstr);
+ count--;
+ len -= banlen;
+
+ MyFree(ban->value.ban.banstr);
+ } else {
+ /* add the ban to the buffer */
+ modebuf_mode_string(state->mbuf, MODE_ADD | MODE_BAN,
+ ban->value.ban.banstr,
+ !(state->flags & MODE_PARSE_SET));
+
+ if (state->flags & MODE_PARSE_SET) { /* create a new ban */
+ newban = make_link();
+ newban->value.ban.banstr = ban->value.ban.banstr;
+ DupString(newban->value.ban.who, ban->value.ban.who);
+ newban->value.ban.when = ban->value.ban.when;
+ newban->flags = ban->flags & (CHFL_BAN | CHFL_BAN_IPMASK);
+
+ newban->next = state->chptr->banlist; /* and link it in */
+ state->chptr->banlist = newban;
+
+ changed++;
+ }
+ }
}
}
- else if (((chptr->mode.mode & MODE_TOPICLIMIT) == 0 ||
- is_chan_op(sptr, chptr)) && topic)
- {
- /* setting a topic */
- strncpy(chptr->topic, topic, TOPICLEN);
- strncpy(chptr->topic_nick, sptr->name, NICKLEN);
- chptr->topic_time = now;
- sendto_serv_butone(cptr, ":%s TOPIC %s :%s",
- parv[0], chptr->chname, chptr->topic);
- sendto_channel_butserv(chptr, sptr, ":%s TOPIC %s :%s",
- parv[0], chptr->chname, chptr->topic);
- }
- else
- sendto_one(sptr, err_str(ERR_CHANOPRIVSNEEDED),
- me.name, parv[0], chptr->chname);
- }
- return 0;
+
+ prevban = ban;
+ } /* for (prevban = 0, ban = state->chptr->banlist; ban; ban = nextban) { */
+
+ if (changed) /* if we changed the ban list, we must invalidate the bans */
+ mode_ban_invalidate(state->chptr);
}
/*
- * m_invite
- * parv[0] - sender prefix
- * parv[1] - user to invite
- * parv[2] - channel name
- *
- * - INVITE now is accepted only if who does it is chanop (this of course
- * implies that channel must exist and he must be on it).
- *
- * - On the other side it IS processed even if channel is NOT invite only
- * leaving room for other enhancements like inviting banned ppl. -- Nemesi
- *
+ * Helper function to process client changes
*/
-int m_invite(aClient *UNUSED(cptr), aClient *sptr, int parc, char *parv[])
+static void
+mode_parse_client(struct ParseState *state, int *flag_p)
{
- aClient *acptr;
- aChannel *chptr;
+ char *t_str;
+ struct Client *acptr;
+ int i;
- if (parc < 3 || *parv[2] == '\0')
- {
- sendto_one(sptr, err_str(ERR_NEEDMOREPARAMS), me.name, parv[0], "INVITE");
- return 0;
- }
+ if (MyUser(state->sptr) && state->max_args <= 0) /* drop if too many args */
+ return;
- if (!(acptr = FindUser(parv[1])))
- {
- sendto_one(sptr, err_str(ERR_NOSUCHNICK), me.name, parv[0], parv[1]);
- return 0;
- }
+ if (state->parc <= 0) /* return if not enough args */
+ return;
- if (is_silenced(sptr, acptr))
- return 0;
+ t_str = state->parv[state->args_used++]; /* grab arg */
+ state->parc--;
+ state->max_args--;
- if (MyUser(sptr))
- clean_channelname(parv[2]);
- else if (IsLocalChannel(parv[2]))
- return 0;
+ /* If they're not an oper, they can't change modes */
+ if (state->flags & (MODE_PARSE_NOTOPER | MODE_PARSE_NOTMEMBER)) {
+ send_notoper(state);
+ return;
+ }
- if (*parv[2] == '0' || !IsChannelName(parv[2]))
- return 0;
+ if (MyUser(state->sptr)) /* find client we're manipulating */
+ acptr = find_chasing(state->sptr, t_str, NULL);
+ else
+ acptr = findNUser(t_str);
- if (!(chptr = FindChannel(parv[2])))
- {
- if (IsModelessChannel(parv[2]) || IsLocalChannel(parv[2]))
- {
- sendto_one(sptr, err_str(ERR_NOTONCHANNEL), me.name, parv[0], parv[2]);
- return 0;
- }
+ if (!acptr)
+ return; /* find_chasing() already reported an error to the user */
- /* Do not disallow to invite to non-existant #channels, otherwise they
- would simply first be created, causing only MORE bandwidth usage. */
- if (MyConnect(sptr))
- {
- if (check_target_limit(sptr, acptr, acptr->name, 0))
- return 0;
+ for (i = 0; i < MAXPARA; i++) /* find an element to stick them in */
+ if (!state->cli_change[i].flag || (state->cli_change[i].client == acptr &&
+ state->cli_change[i].flag & flag_p[0]))
+ break; /* found a slot */
- sendto_one(sptr, rpl_str(RPL_INVITING), me.name, parv[0],
- acptr->name, parv[2]);
+ /* Store what we're doing to them */
+ state->cli_change[i].flag = state->dir | flag_p[0];
+ state->cli_change[i].client = acptr;
+}
- if (acptr->user->away)
- sendto_one(sptr, rpl_str(RPL_AWAY), me.name, parv[0],
- acptr->name, acptr->user->away);
+/*
+ * Helper function to process the changed client list
+ */
+static void
+mode_process_clients(struct ParseState *state)
+{
+ int i;
+ struct Membership *member;
+
+ for (i = 0; state->cli_change[i].flag; i++) {
+ assert(0 != state->cli_change[i].client);
+
+ /* look up member link */
+ if (!(member = find_member_link(state->chptr,
+ state->cli_change[i].client)) ||
+ (MyUser(state->sptr) && IsZombie(member))) {
+ if (MyUser(state->sptr))
+ send_reply(state->sptr, ERR_USERNOTINCHANNEL,
+ cli_name(state->cli_change[i].client),
+ state->chptr->chname);
+ continue;
}
- sendto_prefix_one(acptr, sptr, ":%s INVITE %s :%s", parv[0],
- acptr->name, parv[2]);
-
- return 0;
- }
-
- if (!IsMember(sptr, chptr))
- {
- sendto_one(sptr, err_str(ERR_NOTONCHANNEL), me.name, parv[0],
- chptr->chname);
- return 0;
- }
-
- if (IsMember(acptr, chptr))
- {
- sendto_one(sptr, err_str(ERR_USERONCHANNEL),
- me.name, parv[0], acptr->name, chptr->chname);
- return 0;
- }
+ if ((state->cli_change[i].flag & MODE_ADD &&
+ (state->cli_change[i].flag & member->status)) ||
+ (state->cli_change[i].flag & MODE_DEL &&
+ !(state->cli_change[i].flag & member->status)))
+ continue; /* no change made, don't do anything */
+
+ /* see if the deop is allowed */
+ if ((state->cli_change[i].flag & (MODE_DEL | MODE_CHANOP)) ==
+ (MODE_DEL | MODE_CHANOP)) {
+ /* prevent +k users from being deopped */
+ if (IsChannelService(state->cli_change[i].client)) {
+ if (state->flags & MODE_PARSE_FORCE) /* it was forced */
+ sendto_opmask_butone(0, SNO_HACK4, "Deop of +k user on %H by %s",
+ state->chptr,
+ (IsServer(state->sptr) ? cli_name(state->sptr) :
+ cli_name((cli_user(state->sptr))->server)));
+
+ else if (MyUser(state->sptr) && state->flags & MODE_PARSE_SET) {
+ send_reply(state->sptr, ERR_ISCHANSERVICE,
+ cli_name(state->cli_change[i].client),
+ state->chptr->chname);
+ continue;
+ }
+ }
- if (MyConnect(sptr))
- {
- if (!is_chan_op(sptr, chptr))
- {
- sendto_one(sptr, err_str(ERR_CHANOPRIVSNEEDED),
- me.name, parv[0], chptr->chname);
- return 0;
+ /* don't allow local opers to be deopped on local channels */
+ if (MyUser(state->sptr) && state->cli_change[i].client != state->sptr &&
+ IsLocalChannel(state->chptr->chname) &&
+ HasPriv(state->cli_change[i].client, PRIV_DEOP_LCHAN)) {
+ send_reply(state->sptr, ERR_ISOPERLCHAN,
+ cli_name(state->cli_change[i].client),
+ state->chptr->chname);
+ continue;
+ }
}
- /* If we get here, it was a VALID and meaningful INVITE */
-
- if (check_target_limit(sptr, acptr, acptr->name, 0))
- return 0;
+ /* accumulate the change */
+ modebuf_mode_client(state->mbuf, state->cli_change[i].flag,
+ state->cli_change[i].client);
- sendto_one(sptr, rpl_str(RPL_INVITING), me.name, parv[0],
- acptr->name, chptr->chname);
+ /* actually effect the change */
+ if (state->flags & MODE_PARSE_SET) {
+ if (state->cli_change[i].flag & MODE_ADD) {
+ member->status |= (state->cli_change[i].flag &
+ (MODE_CHANOP | MODE_VOICE));
+ if (state->cli_change[i].flag & MODE_CHANOP)
+ ClearDeopped(member);
+ } else
+ member->status &= ~(state->cli_change[i].flag &
+ (MODE_CHANOP | MODE_VOICE));
+ }
+ } /* for (i = 0; state->cli_change[i].flags; i++) { */
+}
- if (acptr->user->away)
- sendto_one(sptr, rpl_str(RPL_AWAY), me.name, parv[0],
- acptr->name, acptr->user->away);
+/*
+ * Helper function to process the simple modes
+ */
+static void
+mode_parse_mode(struct ParseState *state, int *flag_p)
+{
+ /* If they're not an oper, they can't change modes */
+ if (state->flags & (MODE_PARSE_NOTOPER | MODE_PARSE_NOTMEMBER)) {
+ send_notoper(state);
+ return;
}
- if (MyConnect(acptr))
- add_invite(acptr, chptr);
+ if (!state->mbuf)
+ return;
- sendto_prefix_one(acptr, sptr, ":%s INVITE %s :%s", parv[0],
- acptr->name, chptr->chname);
+ if (state->dir == MODE_ADD) {
+ state->add |= flag_p[0];
+ state->del &= ~flag_p[0];
- return 0;
-}
+ if (flag_p[0] & MODE_SECRET) {
+ state->add &= ~MODE_PRIVATE;
+ state->del |= MODE_PRIVATE;
+ } else if (flag_p[0] & MODE_PRIVATE) {
+ state->add &= ~MODE_SECRET;
+ state->del |= MODE_SECRET;
+ }
+ } else {
+ state->add &= ~flag_p[0];
+ state->del |= flag_p[0];
+ }
-static int number_of_zombies(aChannel *chptr)
-{
- Reg1 Link *lp;
- Reg2 int count = 0;
- for (lp = chptr->members; lp; lp = lp->next)
- if (lp->flags & CHFL_ZOMBIE)
- count++;
- return count;
+ assert(0 == (state->add & state->del));
+ assert((MODE_SECRET | MODE_PRIVATE) !=
+ (state->add & (MODE_SECRET | MODE_PRIVATE)));
}
/*
- * m_list
- *
- * parv[0] = sender prefix
- * parv[1] = channel list or user/time limit
- * parv[2...] = more user/time limits
+ * This routine is intended to parse MODE or OPMODE commands and effect the
+ * changes (or just build the bounce buffer). We pass the starting offset
+ * as a
*/
-int m_list(aClient *UNUSED(cptr), aClient *sptr, int parc, char *parv[])
+int
+mode_parse(struct ModeBuf *mbuf, struct Client *cptr, struct Client *sptr,
+ struct Channel *chptr, int parc, char *parv[], unsigned int flags)
{
- aChannel *chptr;
- char *name, *p = NULL;
- int show_usage = 0, show_channels = 0, param;
- aListingArgs args = {
- 2147483647, /* max_time */
- 0, /* min_time */
- 4294967295U, /* max_users */
- 0, /* min_users */
- 0, /* topic_limits */
- 2147483647, /* max_topic_time */
- 0, /* min_topic_time */
- NULL /* chptr */
+ static int chan_flags[] = {
+ MODE_CHANOP, 'o',
+ MODE_VOICE, 'v',
+ MODE_PRIVATE, 'p',
+ MODE_SECRET, 's',
+ MODE_MODERATED, 'm',
+ MODE_TOPICLIMIT, 't',
+ MODE_INVITEONLY, 'i',
+ MODE_NOPRIVMSGS, 'n',
+ MODE_KEY, 'k',
+ MODE_BAN, 'b',
+ MODE_LIMIT, 'l',
+ MODE_ADD, '+',
+ MODE_DEL, '-',
+ 0x0, 0x0
};
+ int i;
+ int *flag_p;
+ unsigned int t_mode;
+ char *modestr;
+ struct ParseState state;
+
+ assert(0 != cptr);
+ assert(0 != sptr);
+ assert(0 != chptr);
+ assert(0 != parc);
+ assert(0 != parv);
+
+ state.mbuf = mbuf;
+ state.cptr = cptr;
+ state.sptr = sptr;
+ state.chptr = chptr;
+ state.parc = parc;
+ state.parv = parv;
+ state.flags = flags;
+ state.dir = MODE_ADD;
+ state.done = 0;
+ state.add = 0;
+ state.del = 0;
+ state.args_used = 0;
+ state.max_args = MAXMODEPARAMS;
+ state.numbans = 0;
+
+ for (i = 0; i < MAXPARA; i++) { /* initialize ops/voices arrays */
+ state.banlist[i].next = 0;
+ state.banlist[i].value.ban.banstr = 0;
+ state.banlist[i].value.ban.who = 0;
+ state.banlist[i].value.ban.when = 0;
+ state.banlist[i].flags = 0;
+ state.cli_change[i].flag = 0;
+ state.cli_change[i].client = 0;
+ }
+
+ modestr = state.parv[state.args_used++];
+ state.parc--;
+
+ while (*modestr) {
+ for (; *modestr; modestr++) {
+ for (flag_p = chan_flags; flag_p[0]; flag_p += 2) /* look up flag */
+ if (flag_p[1] == *modestr)
+ break;
- if (sptr->listing) /* Already listing ? */
- {
- sptr->listing->chptr->mode.mode &= ~MODE_LISTED;
- RunFree(sptr->listing);
- sptr->listing = NULL;
- sendto_one(sptr, rpl_str(RPL_LISTEND), me.name, sptr->name);
- if (parc < 2)
- return 0; /* Let LIST abort a listing. */
- }
+ if (!flag_p[0]) { /* didn't find it? complain and continue */
+ if (MyUser(state.sptr))
+ send_reply(state.sptr, ERR_UNKNOWNMODE, *modestr);
+ continue;
+ }
- if (parc < 2) /* No arguments given to /LIST ? */
- {
-#ifdef DEFAULT_LIST_PARAM
- static char *defparv[MAXPARA + 1];
- static int defparc = 0;
- static char lp[] = DEFAULT_LIST_PARAM;
- int i;
+ switch (*modestr) {
+ case '+': /* switch direction to MODE_ADD */
+ case '-': /* switch direction to MODE_DEL */
+ state.dir = flag_p[0];
+ break;
- if (!defparc)
- {
- char *s = lp, *t;
+ case 'l': /* deal with limits */
+ mode_parse_limit(&state, flag_p);
+ break;
- defparc = 1;
- defparv[defparc++] = t = strtok(s, " ");
- while (t && defparc < MAXPARA)
- {
- if ((t = strtok(NULL, " ")))
- defparv[defparc++] = t;
- }
- }
- for (i = 1; i < defparc; i++)
- parv[i] = defparv[i];
- parv[i] = NULL;
- parc = defparc;
-#endif /* DEFAULT_LIST_PARAM */
- }
+ case 'k': /* deal with keys */
+ mode_parse_key(&state, flag_p);
+ break;
- /* Decode command */
- for (param = 1; !show_usage && parv[param]; param++)
- {
- char *p = parv[param];
- do
- {
- int is_time = 0;
- switch (*p)
- {
- case 'T':
- case 't':
- is_time++;
- args.topic_limits = 1;
- /* Fall through */
- case 'C':
- case 'c':
- is_time++;
- p++;
- if (*p != '<' && *p != '>')
- {
- show_usage = 1;
- break;
- }
- /* Fall through */
- case '<':
- case '>':
- {
- p++;
- if (!isDigit(*p))
- show_usage = 1;
- else
- {
- if (is_time)
- {
- time_t val = atoi(p);
- if (p[-1] == '<')
- {
- if (val < 80000000) /* Toggle UTC/offset */
- {
- /*
- * Demands that
- * 'TStime() - chptr->creationtime < val * 60'
- * Which equals
- * 'chptr->creationtime > TStime() - val * 60'
- */
- if (is_time == 1)
- args.min_time = TStime() - val * 60;
- else
- args.min_topic_time = TStime() - val * 60;
- }
- else if (is_time == 1) /* Creation time in UTC was entered */
- args.max_time = val;
- else /* Topic time in UTC was entered */
- args.max_topic_time = val;
- }
- else if (val < 80000000)
- {
- if (is_time == 1)
- args.max_time = TStime() - val * 60;
- else
- args.max_topic_time = TStime() - val * 60;
- }
- else if (is_time == 1)
- args.min_time = val;
- else
- args.min_topic_time = val;
- }
- else if (p[-1] == '<')
- args.max_users = atoi(p);
- else
- args.min_users = atoi(p);
- if ((p = strchr(p, ',')))
- p++;
- }
- break;
- }
- default:
- if (!IsChannelName(p))
- {
- show_usage = 1;
- break;
- }
- if (parc != 2) /* Don't allow a mixture of channels with <,> */
- show_usage = 1;
- show_channels = 1;
- p = NULL;
- break;
- }
- }
- while (!show_usage && p); /* p points after comma, or is NULL */
- }
+ case 'b': /* deal with bans */
+ mode_parse_ban(&state, flag_p);
+ break;
- if (show_usage)
- {
- sendto_one(sptr, rpl_str(RPL_LISTUSAGE), me.name, parv[0],
- "Usage: \002/QUOTE LIST\002 \037parameters\037");
- sendto_one(sptr, rpl_str(RPL_LISTUSAGE), me.name, parv[0],
- "Where \037parameters\037 is a space or comma seperated "
- "list of one or more of:");
- sendto_one(sptr, rpl_str(RPL_LISTUSAGE), me.name, parv[0],
- " \002<\002\037max_users\037 ; Show all channels with less "
- "than \037max_users\037.");
- sendto_one(sptr, rpl_str(RPL_LISTUSAGE), me.name, parv[0],
- " \002>\002\037min_users\037 ; Show all channels with more "
- "than \037min_users\037.");
- sendto_one(sptr, rpl_str(RPL_LISTUSAGE), me.name, parv[0],
- " \002C<\002\037max_minutes\037 ; Channels that exist less "
- "than \037max_minutes\037.");
- sendto_one(sptr, rpl_str(RPL_LISTUSAGE), me.name, parv[0],
- " \002C>\002\037min_minutes\037 ; Channels that exist more "
- "than \037min_minutes\037.");
- sendto_one(sptr, rpl_str(RPL_LISTUSAGE), me.name, parv[0],
- " \002T<\002\037max_minutes\037 ; Channels with a topic last "
- "set less than \037max_minutes\037 ago.");
- sendto_one(sptr, rpl_str(RPL_LISTUSAGE), me.name, parv[0],
- " \002T>\002\037min_minutes\037 ; Channels with a topic last "
- "set more than \037min_minutes\037 ago.");
- sendto_one(sptr, rpl_str(RPL_LISTUSAGE), me.name, parv[0],
- "Example: LIST <3,>1,C<10,T>0 ; 2 users, younger than 10 min., "
- "topic set.");
- return 0;
- }
+ case 'o': /* deal with ops/voice */
+ case 'v':
+ mode_parse_client(&state, flag_p);
+ break;
- sendto_one(sptr, rpl_str(RPL_LISTSTART), me.name, parv[0]);
+ default: /* deal with other modes */
+ mode_parse_mode(&state, flag_p);
+ break;
+ } /* switch (*modestr) { */
+ } /* for (; *modestr; modestr++) { */
- if (!show_channels)
- {
- if (args.max_users > args.min_users + 1 && args.max_time > args.min_time &&
- args.max_topic_time > args.min_topic_time) /* Sanity check */
- {
- if ((sptr->listing = (aListingArgs *)RunMalloc(sizeof(aListingArgs))))
- {
- memcpy(sptr->listing, &args, sizeof(aListingArgs));
- if ((sptr->listing->chptr = channel))
- {
- int m = channel->mode.mode & MODE_LISTED;
- list_next_channels(sptr, 64);
- channel->mode.mode |= m;
- return 0;
- }
- RunFree(sptr->listing);
- sptr->listing = NULL;
- }
- }
- sendto_one(sptr, rpl_str(RPL_LISTEND), me.name, parv[0]);
- return 0;
- }
+ if (state.flags & MODE_PARSE_BURST)
+ break; /* don't interpret any more arguments */
- for (; (name = strtoken(&p, parv[1], ",")); parv[1] = NULL)
- {
- chptr = FindChannel(name);
- if (chptr && ShowChannel(sptr, chptr) && sptr->user)
- sendto_one(sptr, rpl_str(RPL_LIST), me.name, parv[0],
- ShowChannel(sptr, chptr) ? chptr->chname : "*",
- chptr->users - number_of_zombies(chptr), chptr->topic);
- }
+ if (state.parc > 0) { /* process next argument in string */
+ modestr = state.parv[state.args_used++];
+ state.parc--;
- sendto_one(sptr, rpl_str(RPL_LISTEND), me.name, parv[0]);
- return 0;
-}
+ /* is it a TS? */
+ if (IsServer(state.sptr) && !state.parc && IsDigit(*modestr)) {
+ time_t recv_ts;
-/*
- * m_names - Added by Jto 27 Apr 1989
- *
- * parv[0] = sender prefix
- * parv[1] = channel
- */
-int m_names(aClient *cptr, aClient *sptr, int parc, char *parv[])
-{
- Reg1 aChannel *chptr;
- Reg2 aClient *c2ptr;
- Reg3 Link *lp;
- aChannel *ch2ptr = NULL;
- int idx, flag, len, mlen;
- char *s, *para = parc > 1 ? parv[1] : NULL;
-
- if (parc > 2 && hunt_server(1, cptr, sptr, ":%s NAMES %s %s", 2, parc, parv))
- return 0;
+ if (!(state.flags & MODE_PARSE_SET)) /* don't set earlier TS if */
+ break; /* we're then going to bounce the mode! */
- mlen = strlen(me.name) + 10 + strlen(sptr->name);
+ recv_ts = atoi(modestr);
- if (!BadPtr(para))
- {
- s = strchr(para, ',');
- if (s)
- {
- parv[1] = ++s;
- m_names(cptr, sptr, parc, parv);
+ if (recv_ts && recv_ts < state.chptr->creationtime)
+ state.chptr->creationtime = recv_ts; /* respect earlier TS */
+
+ break; /* break out of while loop */
+ } else if (state.flags & MODE_PARSE_STRICT ||
+ (MyUser(state.sptr) && state.max_args <= 0)) {
+ state.parc++; /* we didn't actually gobble the argument */
+ state.args_used--;
+ break; /* break out of while loop */
+ }
}
- clean_channelname(para);
- ch2ptr = FindChannel(para);
- }
+ } /* while (*modestr) { */
/*
- * First, do all visible channels (public and the one user self is)
+ * the rest of the function finishes building resultant MODEs; if the
+ * origin isn't a member or an oper, skip it.
*/
+ if (!state.mbuf || state.flags & (MODE_PARSE_NOTOPER | MODE_PARSE_NOTMEMBER))
+ return state.args_used; /* tell our parent how many args we gobbled */
- for (chptr = channel; chptr; chptr = chptr->nextch)
- {
- if ((chptr != ch2ptr) && !BadPtr(para))
- continue; /* -- wanted a specific channel */
- if (!MyConnect(sptr) && BadPtr(para))
- continue;
-#ifndef GODMODE
- if (!ShowChannel(sptr, chptr))
- continue; /* -- users on this are not listed */
-#endif
-
- /* Find users on same channel (defined by chptr) */
+ t_mode = state.chptr->mode.mode;
- strcpy(buf, "* ");
- len = strlen(chptr->chname);
- strcpy(buf + 2, chptr->chname);
- strcpy(buf + 2 + len, " :");
+ if (state.del & t_mode) { /* delete any modes to be deleted... */
+ modebuf_mode(state.mbuf, MODE_DEL | (state.del & t_mode));
- if (PubChannel(chptr))
- *buf = '=';
- else if (SecretChannel(chptr))
- *buf = '@';
- idx = len + 4;
- flag = 1;
- for (lp = chptr->members; lp; lp = lp->next)
- {
- c2ptr = lp->value.cptr;
-#ifndef GODMODE
- if (sptr != c2ptr && IsInvisible(c2ptr) && !IsMember(sptr, chptr))
- continue;
-#endif
- if (lp->flags & CHFL_ZOMBIE)
- {
- if (lp->value.cptr != sptr)
- continue;
- else
- {
- strcat(buf, "!");
- idx++;
- }
- }
- else if (lp->flags & CHFL_CHANOP)
- {
- strcat(buf, "@");
- idx++;
- }
- else if (lp->flags & CHFL_VOICE)
- {
- strcat(buf, "+");
- idx++;
- }
- strcat(buf, c2ptr->name);
- strcat(buf, " ");
- idx += strlen(c2ptr->name) + 1;
- flag = 1;
-#ifdef GODMODE
- {
- char yxx[6];
- sprintf_irc(yxx, "%s%s", NumNick(c2ptr));
- if (c2ptr != findNUser(yxx))
- MyCoreDump;
- sprintf_irc(buf + strlen(buf), "(%s) ", yxx);
- idx += 6;
- }
- if (mlen + idx + NICKLEN + 11 > BUFSIZE)
-#else
- if (mlen + idx + NICKLEN + 5 > BUFSIZE)
-#endif
- /* space, modifier, nick, \r \n \0 */
- {
- sendto_one(sptr, rpl_str(RPL_NAMREPLY), me.name, parv[0], buf);
- strcpy(buf, "* ");
- strncpy(buf + 2, chptr->chname, len + 1);
- buf[len + 2] = 0;
- strcat(buf, " :");
- if (PubChannel(chptr))
- *buf = '=';
- else if (SecretChannel(chptr))
- *buf = '@';
- idx = len + 4;
- flag = 0;
- }
- }
- if (flag)
- sendto_one(sptr, rpl_str(RPL_NAMREPLY), me.name, parv[0], buf);
+ t_mode &= ~state.del;
}
- if (!BadPtr(para))
- {
- sendto_one(sptr, rpl_str(RPL_ENDOFNAMES), me.name, parv[0],
- ch2ptr ? ch2ptr->chname : para);
- return (1);
+ if (state.add & ~t_mode) { /* add any modes to be added... */
+ modebuf_mode(state.mbuf, MODE_ADD | (state.add & ~t_mode));
+
+ t_mode |= state.add;
}
- /* Second, do all non-public, non-secret channels in one big sweep */
+ if (state.flags & MODE_PARSE_SET) { /* set the channel modes */
+ if ((state.chptr->mode.mode & MODE_INVITEONLY) &&
+ !(t_mode & MODE_INVITEONLY))
+ mode_invite_clear(state.chptr);
- strcpy(buf, "* * :");
- idx = 5;
- flag = 0;
- for (c2ptr = client; c2ptr; c2ptr = c2ptr->next)
- {
- aChannel *ch3ptr;
- int showflag = 0, secret = 0;
+ state.chptr->mode.mode = t_mode;
+ }
-#ifndef GODMODE
- if (!IsUser(c2ptr) || (sptr != c2ptr && IsInvisible(c2ptr)))
-#else
- if (!IsUser(c2ptr))
-#endif
- continue;
- lp = c2ptr->user->channel;
- /*
- * Don't show a client if they are on a secret channel or when
- * they are on a channel sptr is on since they have already
- * been show earlier. -avalon
- */
- while (lp)
- {
- ch3ptr = lp->value.chptr;
-#ifndef GODMODE
- if (PubChannel(ch3ptr) || IsMember(sptr, ch3ptr))
-#endif
- showflag = 1;
- if (SecretChannel(ch3ptr))
- secret = 1;
- lp = lp->next;
- }
- if (showflag) /* Have we already shown them ? */
- continue;
-#ifndef GODMODE
- if (secret) /* On any secret channels ? */
- continue;
-#endif
- strcat(buf, c2ptr->name);
- strcat(buf, " ");
- idx += strlen(c2ptr->name) + 1;
- flag = 1;
-#ifdef GODMODE
- {
- char yxx[6];
- sprintf_irc(yxx, "%s%s", NumNick(c2ptr));
- if (c2ptr != findNUser(yxx))
- MyCoreDump;
- sprintf_irc(buf + strlen(buf), "(%s) ", yxx);
- idx += 6;
- }
-#endif
-#ifdef GODMODE
- if (mlen + idx + NICKLEN + 9 > BUFSIZE)
-#else
- if (mlen + idx + NICKLEN + 3 > BUFSIZE) /* space, \r\n\0 */
-#endif
- {
- sendto_one(sptr, rpl_str(RPL_NAMREPLY), me.name, parv[0], buf);
- strcpy(buf, "* * :");
- idx = 5;
- flag = 0;
- }
+ if (state.flags & MODE_PARSE_WIPEOUT) {
+ if (state.chptr->mode.limit && !(state.done & DONE_LIMIT))
+ modebuf_mode_uint(state.mbuf, MODE_DEL | MODE_LIMIT,
+ state.chptr->mode.limit);
+ if (*state.chptr->mode.key && !(state.done & DONE_KEY))
+ modebuf_mode_string(state.mbuf, MODE_DEL | MODE_KEY,
+ state.chptr->mode.key, 0);
}
- if (flag)
- sendto_one(sptr, rpl_str(RPL_NAMREPLY), me.name, parv[0], buf);
- sendto_one(sptr, rpl_str(RPL_ENDOFNAMES), me.name, parv[0], "*");
- return (1);
+
+ if (state.done & DONE_BANCLEAN) /* process bans */
+ mode_process_bans(&state);
+
+ /* process client changes */
+ if (state.cli_change[0].flag)
+ mode_process_clients(&state);
+
+ return state.args_used; /* tell our parent how many args we gobbled */
+}
+
+/*
+ * Initialize a join buffer
+ */
+void
+joinbuf_init(struct JoinBuf *jbuf, struct Client *source,
+ struct Client *connect, unsigned int type, char *comment,
+ time_t create)
+{
+ int i;
+
+ assert(0 != jbuf);
+ assert(0 != source);
+ assert(0 != connect);
+
+ jbuf->jb_source = source; /* just initialize struct JoinBuf */
+ jbuf->jb_connect = connect;
+ jbuf->jb_type = type;
+ jbuf->jb_comment = comment;
+ jbuf->jb_create = create;
+ jbuf->jb_count = 0;
+ jbuf->jb_strlen = (((type == JOINBUF_TYPE_JOIN ||
+ type == JOINBUF_TYPE_PART ||
+ type == JOINBUF_TYPE_PARTALL) ?
+ STARTJOINLEN : STARTCREATELEN) +
+ (comment ? strlen(comment) + 2 : 0));
+
+ for (i = 0; i < MAXJOINARGS; i++)
+ jbuf->jb_channels[i] = 0;
}
-void send_user_joins(aClient *cptr, aClient *user)
+/*
+ * Add a channel to the join buffer
+ */
+void
+joinbuf_join(struct JoinBuf *jbuf, struct Channel *chan, unsigned int flags)
{
- Reg1 Link *lp;
- Reg2 aChannel *chptr;
- Reg3 int cnt = 0, len = 0, clen;
- char *mask;
+ unsigned int len;
- *buf = ':';
- strcpy(buf + 1, user->name);
- strcat(buf, " JOIN ");
- len = strlen(user->name) + 7;
+ assert(0 != jbuf);
- for (lp = user->user->channel; lp; lp = lp->next)
- {
- chptr = lp->value.chptr;
- if ((mask = strchr(chptr->chname, ':')))
- if (match(++mask, cptr->name))
- continue;
- if (*chptr->chname == '&')
- continue;
- if (is_zombie(user, chptr))
- continue;
- clen = strlen(chptr->chname);
- if (clen + 1 + len > BUFSIZE - 3)
- {
- if (cnt)
- {
- buf[len - 1] = '\0';
- sendto_one(cptr, "%s", buf);
- }
- *buf = ':';
- strcpy(buf + 1, user->name);
- strcat(buf, " JOIN ");
- len = strlen(user->name) + 7;
- cnt = 0;
- }
- strcpy(buf + len, chptr->chname);
- cnt++;
- len += clen;
- if (lp->next)
- {
- len++;
- strcat(buf, ",");
- }
+ if (!chan) {
+ if (jbuf->jb_type == JOINBUF_TYPE_JOIN)
+ sendcmdto_serv_butone(jbuf->jb_source, CMD_JOIN, jbuf->jb_connect, "0");
+
+ return;
}
- if (*buf && cnt)
- sendto_one(cptr, "%s", buf);
- return;
+ if (jbuf->jb_type == JOINBUF_TYPE_PART ||
+ jbuf->jb_type == JOINBUF_TYPE_PARTALL) {
+ /* Send notification to channel */
+ if (!(flags & CHFL_ZOMBIE))
+ sendcmdto_channel_butserv(jbuf->jb_source, CMD_PART, chan,
+ (flags & CHFL_BANNED || !jbuf->jb_comment) ?
+ ":%H" : "%H :%s", chan, jbuf->jb_comment);
+ else if (MyUser(jbuf->jb_source))
+ sendcmdto_one(jbuf->jb_source, CMD_PART, jbuf->jb_source,
+ (flags & CHFL_BANNED || !jbuf->jb_comment) ?
+ ":%H" : "%H :%s", chan, jbuf->jb_comment);
+ /* XXX: Shouldn't we send a PART here anyway? */
+ /* to users on the channel? Why? From their POV, the user isn't on
+ * the channel anymore anyway. We don't send to servers until below,
+ * when we gang all the channel parts together. Note that this is
+ * exactly the same logic, albeit somewhat more concise, as was in
+ * the original m_part.c */
+
+ if (jbuf->jb_type == JOINBUF_TYPE_PARTALL ||
+ IsLocalChannel(chan->chname)) /* got to remove user here */
+ remove_user_from_channel(jbuf->jb_source, chan);
+ } else {
+ /* Add user to channel */
+ add_user_to_channel(chan, jbuf->jb_source, flags);
+
+ /* send notification to all servers */
+ if (jbuf->jb_type != JOINBUF_TYPE_CREATE && !IsLocalChannel(chan->chname))
+ sendcmdto_serv_butone(jbuf->jb_source, CMD_JOIN, jbuf->jb_connect,
+ "%H %Tu", chan, chan->creationtime);
+
+ /* Send the notification to the channel */
+ sendcmdto_channel_butserv(jbuf->jb_source, CMD_JOIN, chan, ":%H", chan);
+
+ /* send an op, too, if needed */
+ if (!MyUser(jbuf->jb_source) && jbuf->jb_type == JOINBUF_TYPE_CREATE &&
+ !IsModelessChannel(chan->chname))
+ sendcmdto_channel_butserv(jbuf->jb_source, CMD_MODE, chan, "%H +o %C",
+ chan, jbuf->jb_source);
+ }
+
+ if (jbuf->jb_type == JOINBUF_TYPE_PARTALL || IsLocalChannel(chan->chname))
+ return; /* don't send to remote */
+
+ /* figure out if channel name will cause buffer to be overflowed */
+ len = chan ? strlen(chan->chname) + 1 : 2;
+ if (jbuf->jb_strlen + len > BUFSIZE)
+ joinbuf_flush(jbuf);
+
+ /* add channel to list of channels to send and update counts */
+ jbuf->jb_channels[jbuf->jb_count++] = chan;
+ jbuf->jb_strlen += len;
+
+ /* if we've used up all slots, flush */
+ if (jbuf->jb_count >= MAXJOINARGS)
+ joinbuf_flush(jbuf);
}
/*
- * send_hack_notice()
- *
- * parc & parv[] are the same as that of the calling function:
- * mtype == 1 is from m_mode, 2 is from m_create, 3 is from m_kick.
- *
- * This function prepares sendbuf with the server notices and wallops
- * to be sent for all hacks. -Ghostwolf 18-May-97
+ * Flush the channel list to remote servers
*/
-
-static void send_hack_notice(aClient *cptr, aClient *sptr, int parc,
- char *parv[], int badop, int mtype)
+int
+joinbuf_flush(struct JoinBuf *jbuf)
{
- aChannel *chptr;
- static char params[MODEBUFLEN];
- int i = 3;
- chptr = FindChannel(parv[1]);
- *params = '\0';
-
- if (Protocol(cptr) < 10) /* We don't get numeric nicks from P09 */
- { /* servers, so this can be sent "As Is" */
- if (mtype == 1)
- {
- while (i < parc)
- {
- strcat(params, " ");
- strcat(params, parv[i++]);
- }
- sprintf_irc(sendbuf,
- ":%s NOTICE * :*** Notice -- %sHACK(%d): %s MODE %s %s%s [" TIME_T_FMT
- "]", me.name, (badop == 3) ? "BOUNCE or " : "", badop, parv[0],
- parv[1], parv[2], params, chptr->creationtime);
- sendbufto_op_mask((badop == 3) ? SNO_HACK3 : (badop ==
- 4) ? SNO_HACK4 : SNO_HACK2);
-
- if ((IsServer(sptr)) && (badop == 2))
- {
- sprintf_irc(sendbuf, ":%s DESYNCH :HACK: %s MODE %s %s%s",
- me.name, parv[0], parv[1], parv[2], params);
- sendbufto_serv_butone(cptr);
- }
- }
- else if (mtype == 3)
- {
- sprintf_irc(sendbuf,
- ":%s NOTICE * :*** Notice -- HACK: %s KICK %s %s :%s",
- me.name, sptr->name, parv[1], parv[2], parv[3]);
- sendbufto_op_mask(SNO_HACK4);
- }
- }
- else
- {
- /* P10 servers require numeric nick conversion before sending. */
- switch (mtype)
- {
- case 1: /* Convert nicks for MODE HACKs here */
- {
- char *mode = parv[2];
- while (i < parc)
- {
- while (*mode && *mode != 'o' && *mode != 'v')
- ++mode;
- strcat(params, " ");
- if (*mode == 'o' || *mode == 'v')
- {
- register aClient *acptr;
- if ((acptr = findNUser(parv[i])) != NULL) /* Convert nicks here */
- strcat(params, acptr->name);
- else
- {
- strcat(params, "<");
- strcat(params, parv[i]);
- strcat(params, ">");
- }
- }
- else /* If it isn't a numnick, send it 'as is' */
- strcat(params, parv[i]);
- i++;
- }
- sprintf_irc(sendbuf,
- ":%s NOTICE * :*** Notice -- %sHACK(%d): %s MODE %s %s%s ["
- TIME_T_FMT "]", me.name, (badop == 3) ? "BOUNCE or " : "", badop,
- parv[0], parv[1], parv[2], params, chptr->creationtime);
- sendbufto_op_mask((badop == 3) ? SNO_HACK3 : (badop ==
- 4) ? SNO_HACK4 : SNO_HACK2);
-
- if ((IsServer(sptr)) && (badop == 2))
- {
- sprintf_irc(sendbuf, ":%s DESYNCH :HACK: %s MODE %s %s%s",
- me.name, parv[0], parv[1], parv[2], params);
- sendbufto_serv_butone(cptr);
- }
- break;
- }
- case 2: /* No conversion is needed for CREATE; the only numnick is sptr */
- {
- sendto_serv_butone(cptr, ":%s DESYNCH :HACK: %s CREATE %s %s",
- me.name, sptr->name, chptr->chname, parv[2]);
- sendto_op_mask(SNO_HACK2, "HACK(2): %s CREATE %s %s",
- sptr->name, chptr->chname, parv[2]);
- break;
- }
- case 3: /* Convert nick in KICK message */
- {
- aClient *acptr;
- if ((acptr = findNUser(parv[2])) != NULL) /* attempt to convert nick */
- sprintf_irc(sendbuf,
- ":%s NOTICE * :*** Notice -- HACK: %s KICK %s %s :%s",
- me.name, sptr->name, parv[1], acptr->name, parv[3]);
- else /* if conversion fails, send it 'as is' in <>'s */
- sprintf_irc(sendbuf,
- ":%s NOTICE * :*** Notice -- HACK: %s KICK %s <%s> :%s",
- me.name, sptr->name, parv[1], parv[2], parv[3]);
- sendbufto_op_mask(SNO_HACK4);
- break;
- }
- }
+ char chanlist[BUFSIZE];
+ int chanlist_i = 0;
+ int i;
+
+ if (!jbuf->jb_count || jbuf->jb_type == JOINBUF_TYPE_PARTALL ||
+ jbuf->jb_type == JOINBUF_TYPE_JOIN)
+ return 0; /* no joins to process */
+
+ for (i = 0; i < jbuf->jb_count; i++) { /* build channel list */
+ build_string(chanlist, &chanlist_i,
+ jbuf->jb_channels[i] ? jbuf->jb_channels[i]->chname : "0", 0,
+ i == 0 ? '\0' : ',');
+ if (JOINBUF_TYPE_PART == jbuf->jb_type)
+ /* Remove user from channel */
+ remove_user_from_channel(jbuf->jb_source, jbuf->jb_channels[i]);
+
+ jbuf->jb_channels[i] = 0; /* mark slot empty */
+ }
+
+ jbuf->jb_count = 0; /* reset base counters */
+ jbuf->jb_strlen = ((jbuf->jb_type == JOINBUF_TYPE_PART ?
+ STARTJOINLEN : STARTCREATELEN) +
+ (jbuf->jb_comment ? strlen(jbuf->jb_comment) + 2 : 0));
+
+ /* and send the appropriate command */
+ switch (jbuf->jb_type) {
+ case JOINBUF_TYPE_CREATE:
+ sendcmdto_serv_butone(jbuf->jb_source, CMD_CREATE, jbuf->jb_connect,
+ "%s %Tu", chanlist, jbuf->jb_create);
+ break;
+
+ case JOINBUF_TYPE_PART:
+ sendcmdto_serv_butone(jbuf->jb_source, CMD_PART, jbuf->jb_connect,
+ jbuf->jb_comment ? "%s :%s" : "%s", chanlist,
+ jbuf->jb_comment);
+ break;
}
+
+ return 0;
}
projects / ircu2.10.12-pk.git / blobdiff