src/spamserv.h

   1 /* spamserv.h - anti spam service
   2  * Copyright 2004 feigling
   3  *
   4  * This program is free software; you can redistribute it and/or modify
   5  * it under the terms of the GNU General Public License as published by
   6  * the Free Software Foundation; either version 2 of the License, or
   7  * (at your option) any later version.  Important limitations are
   8  * listed in the COPYING file that accompanies this software.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  * GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License
  16  * along with this program; if not, email srvx-maintainers@srvx.net.
  17  *
  18  * $Id$
  19  */
  20
  21 #ifndef _spamserv_h
  22 #define _spamserv_h
  23
  24 #ifdef HAVE_ARPA_INET_H
  25 #include <arpa/inet.h>
  26 #endif
  27
  28 /***********************************************/
  29 /*                   Channel                   */
  30 /***********************************************/
  31
  32 enum channelinfo
  33 {
  34     ci_SpamLimit = 0,
  35     ci_AdvReaction,
  36     ci_WarnReaction,
  37     ci_BadReaction,
  38     ci_Max
  39 };
  40
  41 #define CHAN_INFO_SIZE          (ci_Max + 1)
  42 #define CHAN_INFO_DEFAULT       "blss"
  43
  44 #define CHAN_SPAMSCAN           0x00000001
  45 #define CHAN_CHANFLOODSCAN      0x00000002
  46 #define CHAN_JOINFLOOD          0x00000004
  47 #define CHAN_ADV_SCAN           0x00000008
  48 #define CHAN_SCAN_CHANOPS       0x00000010
  49 #define CHAN_SCAN_HALFOPS       0x00000020
  50 #define CHAN_SCAN_VOICED        0x00000040
  51 #define CHAN_SUSPENDED          0x00000080
  52 #define CHAN_BADWORDSCAN        0x00000100
  53
  54 #define CHAN_FLAGS_DEFAULT      (CHAN_SPAMSCAN | CHAN_CHANFLOODSCAN | CHAN_JOINFLOOD)
  55
  56 #define CHECK_SPAM(x)           ((x)->flags & CHAN_SPAMSCAN)
  57 #define CHECK_FLOOD(x)          ((x)->flags & CHAN_CHANFLOODSCAN)
  58 #define CHECK_JOINFLOOD(x)      ((x)->flags & CHAN_JOINFLOOD)
  59 #define CHECK_ADV(x)            ((x)->flags & CHAN_ADV_SCAN)
  60 #define CHECK_CHANOPS(x)        ((x)->flags & CHAN_SCAN_CHANOPS)
  61 #define CHECK_HALFOPS(x)        ((x)->flags & CHAN_SCAN_HALFOPS)
  62 #define CHECK_VOICED(x)         ((x)->flags & CHAN_SCAN_VOICED)
  63 #define CHECK_SUSPENDED(x)      ((x)->flags & CHAN_SUSPENDED)
  64 #define CHECK_BADWORDSCAN(x)    ((x)->flags & CHAN_BADWORDSCAN)
  65
  66 struct chanInfo
  67 {
  68     struct chanNode        *channel;
  69     struct string_list     *exceptions;
  70     struct string_list     *badwords;
  71     unsigned int           flags : 30;
  72     char                   info[CHAN_INFO_SIZE];
  73     time_t                 suspend_expiry;
  74 };
  75
  76 /***********************************************/
  77 /*                    User                     */
  78 /***********************************************/
  79
  80 #define USER_KICK           0x00000001
  81 #define USER_KICKBAN        0x00000002
  82 #define USER_SHORT_TBAN     0x00000004
  83 #define USER_LONG_TBAN      0x00000008
  84 #define USER_KILL           0x00000010
  85 #define USER_GLINE          0x00000020
  86 #define USER_WARNED         0x00000040
  87 #define USER_KILLED         0x00000080
  88 #define USER_ADV_WARNED     0x00000100
  89 #define USER_BAD_WARNED     0x00000200
  90
  91 #define CHECK_KICK(x)           ((x)->flags & USER_KICK)
  92 #define CHECK_KICKBAN(x)        ((x)->flags & USER_KICKBAN)
  93 #define CHECK_SHORT_TBAN(x)     ((x)->flags & USER_SHORT_TBAN)
  94 #define CHECK_LONG_TBAN(x)      ((x)->flags & USER_LONG_TBAN)
  95 #define CHECK_KILL(x)           ((x)->flags & USER_KILL)
  96 #define CHECK_GLINE(x)          ((x)->flags & USER_GLINE)
  97 #define CHECK_WARNED(x)         ((x)->flags & USER_WARNED)
  98 #define CHECK_KILLED(x)         ((x)->flags & USER_KILLED)
  99 #define CHECK_ADV_WARNED(x)     ((x)->flags & USER_ADV_WARNED)
 100 #define CHECK_BAD_WARNED(x)     ((x)->flags & USER_BAD_WARNED)
 101
 102 #define SPAM_WARNLEVEL          1
 103
 104 #define FLOOD_TIMEQ_FREQ        5
 105 #define FLOOD_EXPIRE            5
 106 #define FLOOD_WARNLEVEL         1
 107 #define FLOOD_MAX_LINES         8
 108
 109 #define JOINFLOOD_TIMEQ_FREQ    225
 110 #define JOINFLOOD_EXPIRE        450
 111 #define JOINFLOOD_MAX           3
 112 #define JOINFLOOD_B_DURATION    900
 113
 114 #define ADV_TIMEQ_FREQ          300
 115 #define ADV_EXPIRE              900
 116 #define ADV_WARNLEVEL           2
 117
 118 #define BAD_TIMEQ_FREQ          300
 119 #define BAD_EXPIRE              900
 120 #define BAD_WARNLEVEL           2
 121
 122 #define WARNLEVEL_TIMEQ_FREQ    1800
 123 #define MAX_WARNLEVEL           6
 124
 125 #define KILL_TIMEQ_FREQ         450
 126 #define KILL_EXPIRE             1800
 127 #define KILL_WARNLEVEL          3
 128
 129 struct spamNode
 130 {
 131         struct chanNode         *channel;
 132         unsigned long           crc32;
 133         unsigned int            count;
 134         struct spamNode         *prev;
 135         struct spamNode         *next;
 136 };
 137
 138 struct floodNode
 139 {
 140         struct chanNode         *channel;
 141         struct userNode         *owner;
 142         unsigned int            count;
 143         time_t                  time;
 144         struct floodNode        *prev;
 145         struct floodNode        *next;
 146 };
 147
 148 struct killNode
 149 {
 150         unsigned int            warnlevel;
 151         time_t                  time;
 152 };
 153
 154 struct userInfo
 155 {
 156     struct userNode             *user;
 157         struct spamNode         *spam;
 158         struct floodNode        *flood;
 159         struct floodNode        *joinflood;
 160         unsigned int            flags : 30;
 161         unsigned int            warnlevel;
 162         time_t                  lastadv;
 163         time_t                  lastbad;
 164 };
 165
 166 /***********************************************/
 167 /*                 Other Stuff                 */
 168 /***********************************************/
 169
 170 enum cs_unreg
 171 {
 172     manually,
 173     expire,
 174     lost_all_users
 175 };
 176
 177 void init_spamserv(const char *nick);
 178 struct chanInfo *get_chanInfo(const char *channelname);
 179 void spamserv_channel_message(struct chanNode *channel, struct userNode *user, char *text);
 180 void spamserv_cs_suspend(struct chanNode *channel, time_t expiry, int suspend, char *reason);
 181 int  spamserv_cs_move_merge(struct userNode *user, struct chanNode *channel, struct chanNode *target, int move);
 182 void spamserv_cs_unregister(struct userNode *user, struct chanNode *channel, enum cs_unreg type, char *reason);
 183
 184 #endif