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: spamserv.h,v 1.3 2004/06/27 22:20:00 feigling Exp $
  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_Max
  38 };
  39
  40 #define CHAN_INFO_SIZE          (ci_Max + 1)
  41 #define CHAN_INFO_DEFAULT       "bls"
  42
  43 #define CHAN_SPAMSCAN           0x00000001
  44 #define CHAN_FLOODSCAN          0x00000002
  45 #define CHAN_JOINFLOOD          0x00000004
  46 #define CHAN_ADV_SCAN           0x00000008
  47 #define CHAN_SCAN_CHANOPS       0x00000010
  48 #define CHAN_SCAN_VOICED        0x00000020
  49 #define CHAN_SUSPENDED          0x00000040
  50
  51 #define CHAN_FLAGS_DEFAULT      (CHAN_SPAMSCAN | CHAN_FLOODSCAN | CHAN_JOINFLOOD)
  52
  53 #define CHECK_SPAM(x)           ((x)->flags & CHAN_SPAMSCAN)
  54 #define CHECK_FLOOD(x)          ((x)->flags & CHAN_FLOODSCAN)
  55 #define CHECK_JOINFLOOD(x)      ((x)->flags & CHAN_JOINFLOOD)
  56 #define CHECK_ADV(x)            ((x)->flags & CHAN_ADV_SCAN)
  57 #define CHECK_CHANOPS(x)        ((x)->flags & CHAN_SCAN_CHANOPS)
  58 #define CHECK_VOICED(x)         ((x)->flags & CHAN_SCAN_VOICED)
  59 #define CHECK_SUSPENDED(x)      ((x)->flags & CHAN_SUSPENDED)
  60
  61 struct chanInfo
  62 {
  63     struct chanNode        *channel;
  64     struct string_list     *exceptions;
  65     unsigned int           flags : 30;
  66     unsigned int           exceptlevel;
  67     char                   info[CHAN_INFO_SIZE];
  68     time_t                 suspend_expiry;
  69 };
  70
  71 /***********************************************/
  72 /*                    User                     */
  73 /***********************************************/
  74
  75 #define USER_KICK           0x00000001
  76 #define USER_KICKBAN        0x00000002
  77 #define USER_SHORT_TBAN     0x00000004
  78 #define USER_LONG_TBAN      0x00000008
  79 #define USER_KILL           0x00000010
  80 #define USER_GLINE          0x00000020
  81 #define USER_WARNED         0x00000040
  82 #define USER_KILLED         0x00000080
  83 #define USER_ADV_WARNED     0x00000100
  84
  85 #define CHECK_KICK(x)           ((x)->flags & USER_KICK)
  86 #define CHECK_KICKBAN(x)        ((x)->flags & USER_KICKBAN)
  87 #define CHECK_SHORT_TBAN(x)     ((x)->flags & USER_SHORT_TBAN)
  88 #define CHECK_LONG_TBAN(x)      ((x)->flags & USER_LONG_TBAN)
  89 #define CHECK_KILL(x)           ((x)->flags & USER_KILL)
  90 #define CHECK_GLINE(x)          ((x)->flags & USER_GLINE)
  91 #define CHECK_WARNED(x)         ((x)->flags & USER_WARNED)
  92 #define CHECK_KILLED(x)         ((x)->flags & USER_KILLED)
  93 #define CHECK_ADV_WARNED(x)     ((x)->flags & USER_ADV_WARNED)
  94
  95 #define SPAM_WARNLEVEL          1
  96
  97 #define FLOOD_TIMEQ_FREQ        5
  98 #define FLOOD_EXPIRE            5
  99 #define FLOOD_WARNLEVEL         1
 100 #define FLOOD_MAX_LINES         8
 101
 102 #define JOINFLOOD_TIMEQ_FREQ    225
 103 #define JOINFLOOD_EXPIRE        450
 104 #define JOINFLOOD_MAX           3
 105 #define JOINFLOOD_B_DURATION    900
 106
 107 #define ADV_TIMEQ_FREQ          300
 108 #define ADV_EXPIRE              900
 109 #define ADV_WARNLEVEL           2
 110
 111 #define WARNLEVEL_TIMEQ_FREQ    1800
 112 #define MAX_WARNLEVEL           6
 113
 114 #define KILL_TIMEQ_FREQ         450
 115 #define KILL_EXPIRE             1800
 116 #define KILL_WARNLEVEL          3
 117
 118 struct spamNode
 119 {
 120         struct chanNode         *channel;
 121         unsigned long           crc32;
 122         unsigned int            count;
 123         struct spamNode         *prev;
 124         struct spamNode         *next;
 125 };
 126
 127 struct floodNode
 128 {
 129         struct chanNode         *channel;
 130         struct userNode         *owner;
 131         unsigned int            count;
 132         time_t                  time;
 133         struct floodNode        *prev;
 134         struct floodNode        *next;
 135 };
 136
 137 struct killNode
 138 {
 139         unsigned int            warnlevel;
 140         time_t                  time;
 141 };
 142
 143 struct userInfo
 144 {
 145     struct userNode             *user;
 146         struct spamNode         *spam;
 147         struct floodNode        *flood;
 148         struct floodNode        *joinflood;
 149         unsigned int            flags : 30;
 150         unsigned int            warnlevel;
 151         time_t                  lastadv;
 152 };
 153
 154 /***********************************************/
 155 /*                 Other Stuff                 */
 156 /***********************************************/
 157
 158 enum cs_unreg
 159 {
 160     manually,
 161     expire,
 162     lost_all_users
 163 };
 164
 165 void init_spamserv(const char *nick);
 166 struct chanInfo *get_chanInfo(const char *channelname);
 167 void spamserv_channel_message(struct chanNode *channel, struct userNode *user, char *text);
 168 void spamserv_cs_suspend(struct chanNode *channel, time_t expiry, int suspend, char *reason);
 169 int  spamserv_cs_move_merge(struct userNode *user, struct chanNode *channel, struct chanNode *target, int move);
 170 void spamserv_cs_unregister(struct userNode *user, struct chanNode *channel, enum cs_unreg type, char *reason);
 171
 172 #endif