| 1 | /*
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| 2 | * Copyright (c) 2009 Mike Belopuhov
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| 3 | *
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| 4 | * Permission to use, copy, modify, and distribute this software for any
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| 5 | * purpose with or without fee is hereby granted, provided that the above
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| 6 | * copyright notice and this permission notice appear in all copies.
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| 7 | *
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| 8 | * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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| 9 | * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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| 10 | * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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| 11 | * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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| 12 | * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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| 13 | * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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| 14 | * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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| 15 | */
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| 16 |
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| 17 | #include <sys/queue.h>
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| 18 |
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| 19 | #define ICB_MSGSIZE 256
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| 20 |
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| 21 | #define ICB_MAXGRPLEN 32
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| 22 | #define ICB_MAXNICKLEN 32
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| 23 | #define ICB_MAXPASSLEN 32
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| 24 | #define ICB_MAXTOPICLEN 160
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| 25 |
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| 26 | #define ICB_M_LOGIN 'a'
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| 27 | #define ICB_M_OPEN 'b'
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| 28 | #define ICB_M_PERSONAL 'c'
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| 29 | #define ICB_M_STATUS 'd'
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| 30 | enum {
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| 31 | STATUS_ARRIVE,
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| 32 | STATUS_BOOT,
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| 33 | STATUS_DEPART,
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| 34 | STATUS_HELP,
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| 35 | STATUS_NAME,
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| 36 | STATUS_NOBEEP,
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| 37 | STATUS_NOTIFY,
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| 38 | STATUS_SIGNON,
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| 39 | STATUS_SIGNOFF,
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| 40 | STATUS_STATUS,
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| 41 | STATUS_TOPIC,
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| 42 | STATUS_WARNING
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| 43 | };
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| 44 | #define ICB_M_ERROR 'e'
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| 45 | #define ICB_M_IMPORTANT 'f'
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| 46 | #define ICB_M_EXIT 'g'
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| 47 | #define ICB_M_COMMAND 'h'
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| 48 | #define ICB_M_CMDOUT 'i'
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| 49 | enum {
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| 50 | CMDOUT_CO,
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| 51 | CMDOUT_EC,
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| 52 | CMDOUT_WG,
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| 53 | CMDOUT_WH,
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| 54 | CMDOUT_WL,
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| 55 | };
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| 56 | #define ICB_M_PROTO 'j'
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| 57 | #define ICB_M_BEEP 'k'
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| 58 | #define ICB_M_PING 'l'
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| 59 | #define ICB_M_PONG 'm'
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| 60 | #define ICB_M_NOOP 'n'
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| 61 |
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| 62 | #define ICB_M_SEP '\001'
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| 63 |
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| 64 | struct icb_group;
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| 65 |
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| 66 | struct icb_session {
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| 67 | char nick[ICB_MAXNICKLEN];
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| 68 | char client[ICB_MAXNICKLEN];
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| 69 | char host[MAXHOSTNAMELEN];
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| 70 | char buffer[ICB_MSGSIZE+1];
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| 71 | struct event ev;
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| 72 | LIST_ENTRY(icb_session) entry;
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| 73 | struct bufferevent *bev;
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| 74 | struct icb_group *group;
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| 75 | size_t length;
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| 76 | time_t login;
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| 77 | time_t last;
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| 78 | int port;
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| 79 | uint32_t flags;
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| 80 | #define SETF(t, f) ((t) |= (f))
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| 81 | #define CLRF(t, f) ((t) &= ~(f))
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| 82 | #define ISSETF(t, f) ((t) & (f))
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| 83 | #define ICB_SF_PROTOSENT 0x01
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| 84 | #define ICB_SF_LOGGEDIN 0x02
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| 85 | #define ICB_SF_NOGROUP 0x08
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| 86 | #define ICB_SF_NOBEEP 0x10
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| 87 | #define ICB_SF_NOBEEP2 0x20
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| 88 | };
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| 89 |
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| 90 | struct icb_group {
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| 91 | char name[ICB_MAXGRPLEN];
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| 92 | char mpass[ICB_MAXPASSLEN];
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| 93 | char topic[ICB_MAXTOPICLEN];
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| 94 | LIST_ENTRY(icb_group) entry;
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| 95 | LIST_HEAD(, icb_session) sess;
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| 96 | struct icb_session *mod;
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| 97 | };
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| 98 |
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| 99 | LIST_HEAD(icb_grlist, icb_group) groups;
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| 100 |
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| 101 | struct icbd_callbacks {
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| 102 | void (*drop)(struct icb_session *, char *);
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| 103 | void (*log)(struct icb_session *, int, const char *, ...);
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| 104 | void (*send)(struct icb_session *, char *, ssize_t);
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| 105 | };
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| 106 |
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| 107 | #ifndef nitems
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| 108 | #define nitems(_a) (sizeof((_a)) / sizeof((_a)[0]))
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| 109 | #endif
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| 110 |
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| 111 | /* cmd.c */
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| 112 | void *icb_cmd_lookup(char *);
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| 113 |
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| 114 | /* icb.c */
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| 115 | struct icb_group *icb_addgroup(struct icb_session *, char *, char *);
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| 116 | void icb_cmdout(struct icb_session *, int, char *);
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| 117 | void icb_delgroup(struct icb_group *);
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| 118 | void icb_error(struct icb_session *, const char *, ...);
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| 119 | void icb_init(struct icbd_callbacks *);
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| 120 | void icb_input(struct icb_session *);
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| 121 | int icb_ismod(struct icb_group *, struct icb_session *);
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| 122 | int icb_pass(struct icb_group *, struct icb_session *, struct icb_session *);
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| 123 | void icb_privmsg(struct icb_session *, char *, char *);
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| 124 | void icb_remove(struct icb_session *, char *);
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| 125 | void icb_sendfmt(struct icb_session *, const char *, ...);
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| 126 | void icb_start(struct icb_session *);
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| 127 | void icb_status(struct icb_session *, int, const char *, ...);
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| 128 | void icb_status_group(struct icb_group *, struct icb_session *, int ,
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| 129 | const char *, ...);
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| 130 | void icb_who(struct icb_session *, struct icb_group *);
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| 131 |
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| 132 | /* callbacks from icbd.c */
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| 133 | void (*icb_drop)(struct icb_session *, char *);
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| 134 | void (*icb_log)(struct icb_session *, int, const char *, ...);
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| 135 | void (*icb_send)(struct icb_session *, char *, ssize_t);
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