* 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.
+ *
+ * $Id$
*/
+#ifndef INCLUDED_channel_h
+#define INCLUDED_channel_h
+#ifndef INCLUDED_ircd_defs_h
+#include "ircd_defs.h" /* NICKLEN */
+#endif
+#ifndef INCLUDED_sys_types_h
+#include <sys/types.h>
+#define INCLUDED_sys_types_h
+#endif
-#include "list.h"
-
-#ifndef CHANNEL_H
-#define CHANNEL_H
+struct SLink;
+struct Client;
-/*=============================================================================
+/*
* General defines
*/
-#define MAXMODEPARAMS 6
-#define MODEBUFLEN 200
+#define MAXMODEPARAMS 6
+#define MODEBUFLEN 200
+
+#define KEYLEN 23
+#define PASSLEN 23
+#define CHANNELLEN 200
-#define KEYLEN 23
-#define TOPICLEN 160
-#define CHANNELLEN 200
-#define MAXBANS 30
-#define MAXBANLENGTH 1024
+#define MAXJOINARGS 15 /* number of slots for join buffer */
+#define STARTJOINLEN 10 /* fuzzy numbers */
+#define STARTCREATELEN 20
-/*=============================================================================
+/*
* Macro's
*/
-#define ChannelExists(n) (FindChannel(n) != NullChn)
-#define NullChn ((aChannel *)0)
-#define CREATE 1 /* whether a channel should be
- * created or just tested for existance */
-
-#define CHFL_CHANOP 0x0001 /* Channel operator */
-#define CHFL_VOICE 0x0002 /* the power to speak */
-#define CHFL_DEOPPED 0x0004 /* Is de-opped by a server */
-#define CHFL_SERVOPOK 0x0008 /* Server op allowed */
-#define CHFL_ZOMBIE 0x0010 /* Kicked from channel */
-#define CHFL_BAN 0x0020 /* ban channel flag */
-#define CHFL_BAN_IPMASK 0x0040 /* ban mask is an IP-number mask */
-#define CHFL_BAN_OVERLAPPED 0x0080 /* ban overlapped, need bounce */
-#define CHFL_OVERLAP (CHFL_CHANOP|CHFL_VOICE)
-#define CHFL_BURST_JOINED 0x0100 /* Just joined by net.junction */
-#define CHFL_BURST_BAN 0x0200 /* Ban part of last BURST */
-#define CHFL_BURST_BAN_WIPEOUT 0x0400 /* Ban will be wiped at end of BURST */
-#define CHFL_BANVALID 0x0800 /* CHFL_BANNED bit is valid */
-#define CHFL_BANNED 0x1000 /* Channel member is banned */
-#define CHFL_SILENCE_IPMASK 0x2000 /* silence mask is an IP-number mask */
+#define ChannelExists(n) (0 != FindChannel(n))
+
+#define CHFL_CHANOP 0x0001 /* Channel operator */
+#define CHFL_VOICE 0x0002 /* the power to speak */
+#define CHFL_DEOPPED 0x0004 /* Is de-opped by a server */
+#define CHFL_SERVOPOK 0x0008 /* Server op allowed */
+#define CHFL_ZOMBIE 0x0010 /* Kicked from channel */
+#define CHFL_BAN 0x0020 /* ban channel flag */
+#define CHFL_BAN_IPMASK 0x0040 /* ban mask is an IP-number mask */
+#define CHFL_BAN_OVERLAPPED 0x0080 /* ban overlapped, need bounce */
+#define CHFL_BURST_JOINED 0x0100 /* Just joined by net.junction */
+#define CHFL_BURST_BAN 0x0200 /* Ban part of last BURST */
+#define CHFL_BURST_BAN_WIPEOUT 0x0400 /* Ban will be wiped at end of BURST */
+#define CHFL_BANVALID 0x0800 /* CHFL_BANNED bit is valid */
+#define CHFL_BANNED 0x1000 /* Channel member is banned */
+#define CHFL_SILENCE_IPMASK 0x2000 /* silence mask is an IP-number mask */
+#define CHFL_BURST_ALREADY_OPPED 0x04000 /* In oob BURST, but was already joined and opped */
+#define CHFL_BURST_ALREADY_VOICED 0x08000 /* In oob BURST, but was already joined and voiced */
+
+#define CHFL_OVERLAP (CHFL_CHANOP | CHFL_VOICE)
+#define CHFL_BANVALIDMASK (CHFL_BANVALID | CHFL_BANNED)
+#define CHFL_VOICED_OR_OPPED (CHFL_CHANOP | CHFL_VOICE)
/* Channel Visibility macros */
-#define MODE_CHANOP CHFL_CHANOP
-#define MODE_VOICE CHFL_VOICE
-#define MODE_PRIVATE 0x0004
-#define MODE_SECRET 0x0008
-#define MODE_MODERATED 0x0010
+#define MODE_CHANOP CHFL_CHANOP
+#define MODE_VOICE CHFL_VOICE
+#define MODE_PRIVATE 0x0004
+#define MODE_SECRET 0x0008
+#define MODE_MODERATED 0x0010
#define MODE_TOPICLIMIT 0x0020
#define MODE_INVITEONLY 0x0040
#define MODE_NOPRIVMSGS 0x0080
-#define MODE_KEY 0x0100
-#define MODE_BAN 0x0200
-#define MODE_LIMIT 0x0400
-#define MODE_SENDTS 0x0800 /* TS was 0 during a local user /join; send
- * temporary TS; can be removed when all 2.10 */
-#define MODE_LISTED 0x10000
-
+#define MODE_KEY 0x0100
+#define MODE_BAN 0x0200
+#define MODE_LIMIT 0x0400
+#define MODE_REGONLY 0x0800 /* Only +r users may join */
+#define MODE_LISTED 0x10000
+#define MODE_SAVE 0x20000 /* save this mode-with-arg 'til later */
+#define MODE_FREE 0x40000 /* string needs to be passed to MyFree() */
+#define MODE_BURSTADDED 0x80000 /* channel was created by a BURST */
+#define MODE_UPASS 0x100000
+#define MODE_APASS 0x200000
/*
* mode flags which take another parameter (With PARAmeterS)
*/
-#define MODE_WPARAS (MODE_CHANOP|MODE_VOICE|MODE_BAN|MODE_KEY|MODE_LIMIT)
+#define MODE_WPARAS (MODE_CHANOP|MODE_VOICE|MODE_BAN|MODE_KEY|MODE_LIMIT|MODE_APASS|MODE_UPASS)
-#define HoldChannel(x) (!(x))
+#define HoldChannel(x) (!(x))
/* name invisible */
-#define SecretChannel(x) ((x) && ((x)->mode.mode & MODE_SECRET))
+#define SecretChannel(x) ((x) && ((x)->mode.mode & MODE_SECRET))
/* channel not shown but names are */
-#define HiddenChannel(x) ((x) && ((x)->mode.mode & MODE_PRIVATE))
+#define HiddenChannel(x) ((x) && ((x)->mode.mode & MODE_PRIVATE))
/* channel visible */
-#define ShowChannel(v,c) (PubChannel(c) || IsMember((v),(c)))
-#define PubChannel(x) ((!x) || ((x)->mode.mode & \
- (MODE_PRIVATE | MODE_SECRET)) == 0)
-#define is_listed(x) ((x)->mode.mode & MODE_LISTED)
+#define ShowChannel(v,c) (PubChannel(c) || find_channel_member((v),(c)))
+#define PubChannel(x) ((!x) || ((x)->mode.mode & \
+ (MODE_PRIVATE | MODE_SECRET)) == 0)
+#define is_listed(x) ((x)->mode.mode & MODE_LISTED)
+
+#define IsLocalChannel(name) (*(name) == '&')
+#define IsModelessChannel(name) (*(name) == '+')
+#define IsChannelName(name) (*(name) == '#' || \
+ IsModelessChannel(name) || IsLocalChannel(name))
-#define IsLocalChannel(name) (*(name) == '&')
-#define IsModelessChannel(name) (*(name) == '+')
-#define IsChannelName(name) (*(name) == '#' || \
- IsModelessChannel(name) || IsLocalChannel(name))
+typedef enum ChannelGetType {
+ CGT_NO_CREATE,
+ CGT_CREATE
+} ChannelGetType;
/* used in SetMode() in channel.c and m_umode() in s_msg.c */
#define MODE_ADD 0x40000000
#define MODE_DEL 0x20000000
-/*=============================================================================
+/*
+ * 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 86400
+
+/*
+ * 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
+
+/*
+ * used in can_join to determine if an oper forced a join on a channel
+ */
+#define MAGIC_OPER_OVERRIDE 1000
+
+
+extern const char* const PartFmt1;
+extern const char* const PartFmt2;
+extern const char* const PartFmt1serv;
+extern const char* const PartFmt2serv;
+
+
+/*
* Structures
*/
-struct SMode {
+struct Membership {
+ struct Client* user;
+ struct Channel* channel;
+ struct Membership* next_member;
+ struct Membership* prev_member;
+ struct Membership* next_channel;
+ struct Membership* prev_channel;
+ unsigned int status;
+ unsigned short oplevel;
+};
+
+#define MAXOPLEVELDIGITS 3
+#define MAXOPLEVEL 999
+
+#define IsZombie(x) ((x)->status & CHFL_ZOMBIE)
+#define IsDeopped(x) ((x)->status & CHFL_DEOPPED)
+#define IsBanned(x) ((x)->status & CHFL_BANNED)
+#define IsBanValid(x) ((x)->status & CHFL_BANVALID)
+#define IsChanOp(x) ((x)->status & CHFL_CHANOP)
+#define OpLevel(x) ((x)->oplevel)
+#define HasVoice(x) ((x)->status & CHFL_VOICE)
+#define IsServOpOk(x) ((x)->status & CHFL_SERVOPOK)
+#define IsBurstJoined(x) ((x)->status & CHFL_BURST_JOINED)
+#define IsVoicedOrOpped(x) ((x)->status & CHFL_VOICED_OR_OPPED)
+
+#define SetBanned(x) ((x)->status |= CHFL_BANNED)
+#define SetBanValid(x) ((x)->status |= CHFL_BANVALID)
+#define SetDeopped(x) ((x)->status |= CHFL_DEOPPED)
+#define SetServOpOk(x) ((x)->status |= CHFL_SERVOPOK)
+#define SetBurstJoined(x) ((x)->status |= CHFL_BURST_JOINED)
+#define SetZombie(x) ((x)->status |= CHFL_ZOMBIE)
+#define SetOpLevel(x, v) (void)((x)->oplevel = (v))
+
+#define ClearBanned(x) ((x)->status &= ~CHFL_BANNED)
+#define ClearBanValid(x) ((x)->status &= ~CHFL_BANVALID)
+#define ClearDeopped(x) ((x)->status &= ~CHFL_DEOPPED)
+#define ClearServOpOk(x) ((x)->status &= ~CHFL_SERVOPOK)
+#define ClearBurstJoined(x) ((x)->status &= ~CHFL_BURST_JOINED)
+
+
+struct Mode {
unsigned int mode;
unsigned int limit;
char key[KEYLEN + 1];
+ char upass[PASSLEN + 1];
+ char apass[PASSLEN + 1];
};
struct Channel {
- struct Channel *nextch, *prevch, *hnextch;
- Mode mode;
- time_t creationtime;
- char topic[TOPICLEN + 1];
- char topic_nick[NICKLEN + 1];
- time_t topic_time;
- unsigned int users;
- struct SLink *members;
- struct SLink *invites;
- struct SLink *banlist;
- char chname[1];
+ struct Channel* next;
+ struct Channel* prev;
+ struct Channel* hnext;
+ struct DestructEvent* destruct_event;
+ time_t creationtime;
+ time_t topic_time;
+ unsigned int users;
+ struct Membership* members;
+ struct SLink* invites;
+ struct SLink* banlist;
+ struct Mode mode;
+ char topic[TOPICLEN + 1];
+ char topic_nick[NICKLEN + 1];
+ char chname[1];
};
struct ListingArgs {
struct Channel *chptr;
};
-/*=============================================================================
+struct ModeBuf {
+ unsigned int mb_add; /* Modes to add */
+ unsigned int mb_rem; /* Modes to remove */
+ struct Client *mb_source; /* Source of MODE changes */
+ struct Client *mb_connect; /* Connection of MODE changes */
+ struct Channel *mb_channel; /* Channel they affect */
+ unsigned int mb_dest; /* Destination of MODE changes */
+ unsigned int mb_count; /* Number of modes w/args */
+ struct {
+ unsigned int mbm_type; /* Type of argument */
+ union {
+ unsigned int mbma_uint; /* A limit */
+ char *mbma_string; /* A string */
+ struct Client *mbma_client; /* A client */
+ } mbm_arg; /* The mode argument */
+ } mb_modeargs[MAXMODEPARAMS];
+ /* A mode w/args */
+};
+
+#define MODEBUF_DEST_CHANNEL 0x0001 /* Mode is flushed to channel */
+#define MODEBUF_DEST_SERVER 0x0002 /* Mode is flushed to server */
+
+#define MODEBUF_DEST_OPMODE 0x0100 /* Send server mode as OPMODE */
+#define MODEBUF_DEST_DEOP 0x0200 /* Deop the offender */
+#define MODEBUF_DEST_BOUNCE 0x0400 /* Bounce the modes */
+#define MODEBUF_DEST_LOG 0x0800 /* Log the mode changes to OPATH */
+
+#define MODEBUF_DEST_HACK2 0x2000 /* Send a HACK(2) notice, reverse */
+#define MODEBUF_DEST_HACK3 0x4000 /* Send a HACK(3) notice, TS == 0 */
+#define MODEBUF_DEST_HACK4 0x8000 /* Send a HACK(4) notice, TS == 0 */
+
+#define MB_TYPE(mb, i) ((mb)->mb_modeargs[(i)].mbm_type)
+#define MB_UINT(mb, i) ((mb)->mb_modeargs[(i)].mbm_arg.mbma_uint)
+#define MB_STRING(mb, i) ((mb)->mb_modeargs[(i)].mbm_arg.mbma_string)
+#define MB_CLIENT(mb, i) ((mb)->mb_modeargs[(i)].mbm_arg.mbma_client)
+
+struct JoinBuf {
+ struct Client *jb_source; /* Source of joins (ie, joiner) */
+ struct Client *jb_connect; /* Connection of joiner */
+ unsigned int jb_type; /* Type of join (JOIN or CREATE) */
+ char *jb_comment; /* part comment */
+ time_t jb_create; /* Creation timestamp */
+ unsigned int jb_count; /* Number of channels */
+ unsigned int jb_strlen; /* length so far */
+ struct Channel *jb_channels[MAXJOINARGS];
+ /* channels joined or whatever */
+};
+
+#define JOINBUF_TYPE_JOIN 0 /* send JOINs */
+#define JOINBUF_TYPE_CREATE 1 /* send CREATEs */
+#define JOINBUF_TYPE_PART 2 /* send PARTs */
+#define JOINBUF_TYPE_PARTALL 3 /* send local PARTs, but not remote */
+
+extern struct Channel* GlobalChannelList;
+extern int LocalChanOperMode;
+
+/*
* Proto types
*/
+extern void clean_channelname(char* name);
+extern void channel_modes(struct Client *cptr, char *mbuf, char *pbuf,
+ int buflen, struct Channel *chptr);
+extern int set_mode(struct Client* cptr, struct Client* sptr,
+ struct Channel* chptr, int parc, char* parv[],
+ char* mbuf, char* pbuf, char* npbuf, int* badop);
+extern void send_hack_notice(struct Client *cptr, struct Client *sptr,
+ int parc, char *parv[], int badop, int mtype);
+extern struct Channel *get_channel(struct Client *cptr,
+ char *chname, ChannelGetType flag);
+extern struct Membership* find_member_link(struct Channel * chptr,
+ const struct Client* cptr);
+extern int sub1_from_channel(struct Channel* chptr);
+extern int destruct_channel(struct Channel* chptr);
+extern int can_join(struct Client *sptr, struct Channel *chptr, char *key);
+extern void add_user_to_channel(struct Channel* chptr, struct Client* who,
+ unsigned int flags, int oplevel);
+extern void cancel_mode(struct Client *sptr, struct Channel *chptr, char m,
+ const char *param, int *count);
+extern void add_token_to_sendbuf(char *token, size_t *sblenp, int *firstp,
+ int *send_itp, char is_a_ban, int mode);
+extern int add_banid(struct Client *cptr, struct Channel *chptr, char *banid,
+ int change, int firsttime);
+extern struct SLink *next_removed_overlapped_ban(void);
+extern void cancel_mode(struct Client *sptr, struct Channel *chptr, char m,
+ const char *param, int *count);
+extern void make_zombie(struct Membership* member, struct Client* who,
+ struct Client* cptr, struct Client* sptr,
+ struct Channel* chptr);
+extern struct Client* find_chasing(struct Client* sptr, const char* user, int* chasing);
+void add_invite(struct Client *cptr, struct Channel *chptr);
+int number_of_zombies(struct Channel *chptr);
+
+extern const char* find_no_nickchange_channel(struct Client* cptr);
+extern struct Membership* IsMember(struct Client *cptr, struct Channel *chptr);
+extern struct Membership* find_channel_member(struct Client* cptr, struct Channel* chptr);
+extern int member_can_send_to_channel(struct Membership* member);
+extern int client_can_send_to_channel(struct Client *cptr, struct Channel *chptr);
+
+extern void remove_user_from_channel(struct Client *sptr, struct Channel *chptr);
+extern void remove_user_from_all_channels(struct Client* cptr);
-extern int m_names(aClient *cptr, aClient *sptr, int parc, char *parv[]);
-extern Link *IsMember(aClient *cptr, aChannel *chptr);
-extern void remove_user_from_channel(aClient *sptr, aChannel *chptr);
-extern int is_chan_op(aClient *cptr, aChannel *chptr);
-extern int is_zombie(aClient *cptr, aChannel *chptr);
-extern int has_voice(aClient *cptr, aChannel *chptr);
-extern int can_send(aClient *cptr, aChannel *chptr);
-extern void send_channel_modes(aClient *cptr, aChannel *chptr);
-extern int m_mode(aClient *cptr, aClient *sptr, int parc, char *parv[]);
+extern int is_chan_op(struct Client *cptr, struct Channel *chptr);
+extern int is_zombie(struct Client *cptr, struct Channel *chptr);
+extern int has_voice(struct Client *cptr, struct Channel *chptr);
+extern void send_channel_modes(struct Client *cptr, struct Channel *chptr);
extern char *pretty_mask(char *mask);
-extern void del_invite(aClient *cptr, aChannel *chptr);
-extern void list_next_channels(aClient *cptr, int nr);
-extern int m_join(aClient *cptr, aClient *sptr, int parc, char *parv[]);
-extern int m_create(aClient *cptr, aClient *sptr, int parc, char *parv[]);
-extern int m_destruct(aClient *cptr, aClient *sptr, int parc, char *parv[]);
-extern int m_burst(aClient *cptr, aClient *sptr, int parc, char *parv[]);
-extern int m_part(aClient *cptr, aClient *sptr, int parc, char *parv[]);
-extern int m_kick(aClient *cptr, aClient *sptr, int parc, char *parv[]);
-extern int m_topic(aClient *cptr, aClient *sptr, int parc, char *parv[]);
-extern int m_invite(aClient *cptr, aClient *sptr, int parc, char *parv[]);
-extern int m_list(aClient *cptr, aClient *sptr, int parc, char *parv[]);
-extern void send_user_joins(aClient *cptr, aClient *user);
-
-extern aChannel *channel;
-
-#endif /* CHANNEL_H */
+extern void del_invite(struct Client *cptr, struct Channel *chptr);
+extern void list_next_channels(struct Client *cptr, int nr);
+extern void list_set_default(void); /* this belongs elsewhere! */
+
+extern void modebuf_init(struct ModeBuf *mbuf, struct Client *source,
+ struct Client *connect, struct Channel *chan,
+ unsigned int dest);
+extern void modebuf_mode(struct ModeBuf *mbuf, unsigned int mode);
+extern void modebuf_mode_uint(struct ModeBuf *mbuf, unsigned int mode,
+ unsigned int uint);
+extern void modebuf_mode_string(struct ModeBuf *mbuf, unsigned int mode,
+ char *string, int free);
+extern void modebuf_mode_client(struct ModeBuf *mbuf, unsigned int mode,
+ struct Client *client);
+extern int modebuf_flush(struct ModeBuf *mbuf);
+extern void modebuf_extract(struct ModeBuf *mbuf, char *buf);
+
+extern void mode_ban_invalidate(struct Channel *chan);
+extern void mode_invite_clear(struct Channel *chan);
+
+extern int mode_parse(struct ModeBuf *mbuf, struct Client *cptr,
+ struct Client *sptr, struct Channel *chptr,
+ int parc, char *parv[], unsigned int flags,
+ struct Membership* member);
+
+#define MODE_PARSE_SET 0x01 /* actually set channel modes */
+#define MODE_PARSE_STRICT 0x02 /* +m +n +t style not supported */
+#define MODE_PARSE_FORCE 0x04 /* force the mode to be applied */
+#define MODE_PARSE_BOUNCE 0x08 /* we will be bouncing the modes */
+#define MODE_PARSE_NOTOPER 0x10 /* send "not chanop" to user */
+#define MODE_PARSE_NOTMEMBER 0x20 /* send "not member" to user */
+#define MODE_PARSE_WIPEOUT 0x40 /* wipe out +k and +l during burst */
+#define MODE_PARSE_BURST 0x80 /* be even more strict w/extra args */
+
+extern void joinbuf_init(struct JoinBuf *jbuf, struct Client *source,
+ struct Client *connect, unsigned int type,
+ char *comment, time_t create);
+extern void joinbuf_join(struct JoinBuf *jbuf, struct Channel *chan,
+ unsigned int flags);
+extern int joinbuf_flush(struct JoinBuf *jbuf);
+
+#endif /* INCLUDED_channel_h */