1 /* spamserv.c - anti spam service
2 * Copyright 2004 feigling
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.
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.
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.
18 * $Id: spamserv.c,v 1.08 2004/06/27 22:21:00 feigling Exp $
30 #define SPAMSERV_CONF_NAME "services/spamserv"
32 #define KEY_EXCEPTIONS "exceptions"
33 #define KEY_FLAGS "flags"
34 #define KEY_INFO "info"
35 #define KEY_EXCEPTLEVEL "exceptlevel"
36 #define KEY_EXPIRY "expiry"
38 #define KEY_DEBUG_CHANNEL "debug_channel"
39 #define KEY_OPER_CHANNEL "oper_channel"
40 #define KEY_GLOBAL_EXCEPTIONS "global_exceptions"
41 #define KEY_NETWORK_RULES "network_rules"
42 #define KEY_TRIGGER "trigger"
43 #define KEY_SHORT_BAN_DURATION "short_ban_duration"
44 #define KEY_LONG_BAN_DURATION "long_ban_duration"
45 #define KEY_GLINE_DURATION "gline_duration"
46 #define KEY_EXCEPTION_MAX "exception_max"
47 #define KEY_EXCEPTION_MIN_LEN "exception_min_len"
48 #define KEY_EXCEPTION_MAX_LEN "exception_max_len"
49 #define KEY_ADV_CHAN_MUST_EXIST "adv_chan_must_exist"
50 #define KEY_STRIP_MIRC_CODES "strip_mirc_codes"
51 #define KEY_ALLOW_MOVE_MERGE "allow_move_merge"
53 #define SPAMSERV_FUNC(NAME) MODCMD_FUNC(NAME)
54 #define SPAMSERV_SYNTAX() svccmd_send_help(user, spamserv, cmd)
55 #define SPAMSERV_MIN_PARMS(N) do { \
58 ss_reply(MSG_MISSING_PARAMS, argv[0]); \
60 return 0; } } while(0)
62 struct userNode *spamserv;
63 static struct module *spamserv_module;
64 static struct service *spamserv_service;
65 static struct log_type *SS_LOG;
66 static unsigned long crc_table[256];
68 dict_t registered_channels_dict;
69 dict_t connected_users_dict;
70 dict_t killed_users_dict;
72 #define spamserv_notice(target, format...) send_message(target , spamserv , ## format)
73 #define spamserv_debug(format...) do { if(spamserv_conf.debug_channel) send_channel_message(spamserv_conf.debug_channel , spamserv , ## format); } while(0)
74 #define spamserv_oper_message(format...) do { if(spamserv_conf.oper_channel) send_channel_message(spamserv_conf.oper_channel , spamserv , ## format); } while(0)
75 #define ss_reply(format...) send_message(user , spamserv , ## format)
77 #define SET_SUBCMDS_SIZE 10
79 const char *set_subcommands[SET_SUBCMDS_SIZE] = {"SPAMLIMIT", "ADVREACTION", "WARNREACTION", "ADVSCAN", "SPAMSCAN", "FLOODSCAN", "JOINFLOODSCAN", "EXCEPTLEVEL","SCANCHANOPS", "SCANVOICED"};
81 static void spamserv_clear_spamNodes(struct chanNode *channel);
82 static void spamserv_punish(struct chanNode *channel, struct userNode *user, time_t expires, char *reason, int ban);
83 static unsigned long crc32(const char *text);
85 #define BINARY_OPTION(arguments...) return binary_option(arguments, user, channel, argc, argv);
86 #define MULTIPLE_OPTION(arguments...) return multiple_option(arguments, values, ArrayLength(values), user, channel, argc, argv);
88 static const struct message_entry msgtab[] = {
89 { "SSMSG_CHANNEL_OPTIONS", "Channel Options:" },
90 { "SSMSG_STRING_VALUE", "$b%s$b%s" },
91 { "SSMSG_NUMERIC_VALUE", "$b%s$b%d - %s" },
92 { "SSMSG_EASYNUMERIC_VALUE", "$b%s$b%d" },
93 { "SSMSG_INVALID_NUM_SET", "$b'%d'$b is an invalid %s setting." },
94 { "SSMSG_INVALID_OPTION", "$b%s$b is not a valid %s option." },
95 { "SSMSG_INVALID_BINARY", "$b%s$b is an invalid binary value." },
97 { "SSMSG_NOT_REGISTERED", "$b%s$b has not been registered with $b$X$b." },
98 { "SSMSG_NOT_REGISTERED_CS", "$b%s$b has not been registered with $b$C$b." },
99 { "SSMSG_ALREADY_REGISTERED", "$b%s$b is already registered." },
100 { "SSMSG_DEBUG_CHAN", "You may not register the debug channel." },
101 { "SSMSG_SUSPENDED_CS", "$b$C$b access to $b%s$b has been temporarily suspended, thus you can't %s it." },
102 { "SSMSG_SUSPENDED", "$b$X$b access to $b%s$b has been temporarily suspended." },
103 { "SSMSG_NO_REGISTER", "Due to an error it was not possible to register $b%s$b." },
104 { "SSMSG_REG_SUCCESS", "Channel $b%s$b registered." },
105 { "SSMSG_UNREG_SUCCESS", "$b%s$b has been unregistered." },
106 { "SSMSG_NO_ACCESS", "You lack sufficient access to use this command." },
107 { "SSMSG_MUST_BE_OPER", "You must be an irc operator to set this option." },
108 { "SSMSG_CONFIRM_UNREG", "To confirm this unregistration, you must append 'CONFIRM' to the end of your command. For example, 'unregister CONFIRM'." },
110 { "SSMSG_NO_EXCEPTIONS", "No words found in the exception list." },
111 { "SSMSG_NO_SUCH_EXCEPTION", "Word $b%s$b not found in the exception list." },
112 { "SSMSG_EXCEPTION_LIST", "The following words are in the exception list:" },
113 { "SSMSG_EXCEPTION_ADDED", "Word $b%s$b added to the exception list." },
114 { "SSMSG_EXCEPTION_DELETED", "Word $b%s$b deleted from the exception list." },
115 { "SSMSG_EXCEPTION_IN_LIST", "The word $b%s$b is already in the exception list." },
116 { "SSMSG_EXCEPTION_MAX", "The exception list has reached the maximum exceptions (max %lu). Delete a word to add another one." },
117 { "SSMSG_EXCEPTION_TOO_SHORT", "The word must be at least %lu characters long." },
118 { "SSMSG_EXCEPTION_TOO_LONG", "The word may not be longer than %lu characters." },
120 { "SSMSG_STATUS", "$bStatus:$b" },
121 { "SSMSG_STATUS_USERS", "Total Users Online: %u" },
122 { "SSMSG_STATUS_CHANNELS", "Registered Channels: %u" },
123 { "SSMSG_STATUS_MEMORY", "$bMemory Information:$b" },
124 { "SSMSG_STATUS_CHANNEL_LIST", "$bRegistered Channels:$b" },
125 { "SSMSG_STATUS_NO_CHANNEL", "No channels registered." },
129 #define SSMSG_DEBUG_KICK "Kicked user $b%s$b from $b%s$b, reason: %s"
130 #define SSMSG_DEBUG_BAN "Banned user $b%s$b from $b%s$b, reason: %s"
131 #define SSMSG_DEBUG_KILL "Killed user $b%s$b, last violation in $b%s$b"
132 #define SSMSG_DEBUG_GLINE "Glined user $b%s$b, host $b%s$b, last violation in $b%s$b"
133 #define SSMSG_DEBUG_RECONNECT "Killed user $b%s$b reconnected to the network"
134 #define SSMSG_SPAM "Spamming"
135 #define SSMSG_FLOOD "Flooding the channel/network"
136 #define SSMSG_ADV "Advertising"
137 #define SSMSG_JOINFLOOD "Join flooding the channel"
138 #define SSMSG_WARNING "%s is against the network rules"
139 #define SSMSG_WARNING_2 "You are violating the network rules"
140 #define SSMSG_WARNING_RULES "%s is against the network rules. Read the network rules at %s"
141 #define SSMSG_WARNING_RULES_2 "You are violating the network rules. Read the network rules at %s"
142 #define SSMSG_CHANNEL_REGISTERED "%s (channel %s) registered by %s."
143 #define SSMSG_CHANNEL_UNREGISTERED "%s (channel %s) unregistered by %s."
147 struct chanNode *debug_channel;
148 struct chanNode *oper_channel;
149 struct string_list *global_exceptions;
150 const char *network_rules;
151 unsigned char trigger;
152 unsigned long short_ban_duration;
153 unsigned long long_ban_duration;
154 unsigned long gline_duration;
155 unsigned long exception_max;
156 unsigned long exception_min_len;
157 unsigned long exception_max_len;
158 unsigned int adv_chan_must_exist : 1;
159 unsigned int strip_mirc_codes : 1;
160 unsigned int allow_move_merge : 1;
163 /***********************************************/
165 /***********************************************/
168 get_chanInfo(const char *channelname)
170 return dict_find(registered_channels_dict, channelname, 0);
174 spamserv_join_channel(struct chanNode *channel)
176 struct mod_chanmode change;
177 mod_chanmode_init(&change);
179 change.args[0].mode = MODE_CHANOP;
180 change.args[0].u.member = AddChannelUser(spamserv, channel);
181 mod_chanmode_announce(spamserv, channel, &change);
185 spamserv_part_channel(struct chanNode *channel, char *reason)
187 /* we only have to clear the spamNodes because every other node expires on it's own */
188 spamserv_clear_spamNodes(channel);
189 DelChannelUser(spamserv, channel, reason, 0);
192 static struct chanInfo*
193 spamserv_register_channel(struct chanNode *channel, struct string_list *exceptions, unsigned int flags, char *info)
195 struct chanInfo *cInfo = malloc(sizeof(struct chanInfo));
199 log_module(SS_LOG, LOG_ERROR, "Couldn't allocate memory for cInfo; channel: %s", channel->name);
203 cInfo->channel = channel;
204 cInfo->exceptions = exceptions ? string_list_copy(exceptions) : alloc_string_list(1);
205 cInfo->flags = flags;
206 cInfo->exceptlevel = 400;
207 safestrncpy(cInfo->info, info, sizeof(cInfo->info));
208 cInfo->suspend_expiry = 0;
209 dict_insert(registered_channels_dict, cInfo->channel->name, cInfo);
215 spamserv_unregister_channel(struct chanInfo *cInfo)
220 dict_remove(registered_channels_dict, cInfo->channel->name);
221 free_string_list(cInfo->exceptions);
226 spamserv_cs_suspend(struct chanNode *channel, time_t expiry, int suspend, char *reason)
228 struct chanInfo *cInfo = get_chanInfo(channel->name);
234 cInfo->flags |= CHAN_SUSPENDED;
235 cInfo->suspend_expiry = expiry;
236 spamserv_part_channel(channel, reason);
240 if(CHECK_SUSPENDED(cInfo))
242 cInfo->flags &= ~CHAN_SUSPENDED;
243 cInfo->suspend_expiry = 0;
250 spamserv_cs_move_merge(struct userNode *user, struct chanNode *channel, struct chanNode *target, int move)
252 struct chanInfo *cInfo = get_chanInfo(channel->name);
258 if(!spamserv_conf.allow_move_merge || get_chanInfo(target->name))
261 snprintf(reason, sizeof(reason), "unregistered due to a channel move to %s", target->name);
263 snprintf(reason, sizeof(reason), "unregistered due to a channel merge into %s", target->name);
265 spamserv_cs_unregister(user, channel, manually, reason);
269 cInfo->channel = target;
271 dict_remove(registered_channels_dict, channel->name);
272 dict_insert(registered_channels_dict, target->name, cInfo);
276 snprintf(reason, sizeof(reason), "Channel moved to %s by %s.", target->name, user->handle_info->handle);
280 spamserv_join_channel(target);
281 snprintf(reason, sizeof(reason), "%s merged into %s by %s.", channel->name, target->name, user->handle_info->handle);
284 if(!CHECK_SUSPENDED(cInfo))
285 spamserv_part_channel(channel, reason);
288 snprintf(reason, sizeof(reason), "$X (channel %s) moved to %s by %s.", channel->name, target->name, user->handle_info->handle);
290 snprintf(reason, sizeof(reason), "$X (channel %s) merged into %s by %s.", channel->name, target->name, user->handle_info->handle);
292 /*global_message(MESSAGE_RECIPIENT_OPERS | MESSAGE_RECIPIENT_HELPERS, reason);*/
293 spamserv_oper_message("%s", reason);
301 spamserv_cs_unregister(struct userNode *user, struct chanNode *channel, enum cs_unreg type, char *reason)
303 struct chanInfo *cInfo = get_chanInfo(channel->name);
307 char global[MAXLEN], partmsg[MAXLEN];
312 snprintf(global, sizeof(global), "$X (channel %s) %s by %s.", channel->name, reason, user->handle_info->handle);
313 snprintf(partmsg, sizeof(partmsg), "%s %s by %s.", channel->name, reason, user->handle_info->handle);
316 snprintf(global, sizeof(global), "$X (channel %s) registration expired.", channel->name);
317 snprintf(partmsg, sizeof(partmsg), "%s registration expired.", channel->name);
320 snprintf(global, sizeof(global), "$X (channel %s) lost all users.", channel->name);
321 snprintf(partmsg, sizeof(partmsg), "%s lost all users.", channel->name);
325 if(!CHECK_SUSPENDED(cInfo))
326 spamserv_part_channel(channel, partmsg);
328 spamserv_unregister_channel(cInfo);
331 spamserv_oper_message(SSMSG_CHANNEL_UNREGISTERED, spamserv->nick, channel->name, user->handle_info->handle);
336 /***********************************************/
338 /***********************************************/
340 static struct userInfo*
341 get_userInfo(const char *nickname)
343 return dict_find(connected_users_dict, nickname, 0);
347 spamserv_create_spamNode(struct chanNode *channel, struct userInfo *uInfo, char *text)
349 struct spamNode *sNode = malloc(sizeof(struct spamNode));
353 log_module(SS_LOG, LOG_ERROR, "Couldn't allocate memory for sNode; channel: %s; user: %s", channel->name, uInfo->user->nick);
357 sNode->channel = channel;
358 sNode->crc32 = crc32(text);
364 struct spamNode *temp = uInfo->spam;
380 spamserv_delete_spamNode(struct userInfo *uInfo, struct spamNode *sNode)
385 if(sNode == uInfo->spam)
386 uInfo->spam = sNode->next;
389 sNode->next->prev = sNode->prev;
391 sNode->prev->next = sNode->next;
397 spamserv_clear_spamNodes(struct chanNode *channel)
399 struct userInfo *uInfo;
400 struct spamNode *sNode;
403 for(i = 0; i < channel->members.used; i++)
405 if((uInfo = get_userInfo(channel->members.list[i]->user->nick)))
407 if((sNode = uInfo->spam))
409 for(; sNode; sNode = sNode->next)
410 if(sNode->channel == channel)
414 spamserv_delete_spamNode(uInfo, sNode);
421 spamserv_create_floodNode(struct chanNode *channel, struct userNode *user, struct floodNode **uI_fNode)
423 struct floodNode *fNode = malloc(sizeof(struct floodNode));
427 log_module(SS_LOG, LOG_ERROR, "Couldn't allocate memory for fNode; channel: %s; user: %s", channel->name, user->nick);
431 fNode->channel = channel;
439 struct floodNode *temp = *uI_fNode;
455 spamserv_delete_floodNode(struct floodNode **uI_fNode, struct floodNode *fNode)
460 if(fNode == *uI_fNode)
461 *uI_fNode = fNode->next;
464 fNode->next->prev = fNode->prev;
466 fNode->prev->next = fNode->next;
472 spamserv_create_user(struct userNode *user)
474 struct userInfo *uInfo = malloc(sizeof(struct userInfo));
475 struct killNode *kNode = dict_find(killed_users_dict, irc_ntoa(&user->ip), 0);
479 log_module(SS_LOG, LOG_ERROR, "Couldn't allocate memory for uInfo; nick: %s", user->nick);
484 spamserv_debug(SSMSG_DEBUG_RECONNECT, user->nick);
489 uInfo->joinflood = NULL;
490 uInfo->flags = kNode ? USER_KILLED : 0;
491 uInfo->warnlevel = kNode ? kNode->warnlevel : 0;
494 dict_insert(connected_users_dict, user->nick, uInfo);
498 dict_remove(killed_users_dict, irc_ntoa(&user->ip));
504 spamserv_delete_user(struct userInfo *uInfo)
511 spamserv_delete_spamNode(uInfo, uInfo->spam);
515 spamserv_delete_floodNode(&uInfo->flood, uInfo->flood);
518 while(uInfo->joinflood)
519 spamserv_delete_floodNode(&uInfo->joinflood, uInfo->joinflood);
521 dict_remove(connected_users_dict, uInfo->user->nick);
526 spamserv_new_user_func(struct userNode *user)
529 spamserv_create_user(user);
533 spamserv_del_user_func(struct userNode *user, struct userNode *killer, UNUSED_ARG(const char *why))
535 struct userInfo *uInfo = get_userInfo(user->nick);
536 struct killNode *kNode;
538 if(killer == spamserv)
540 kNode = malloc(sizeof(struct killNode));
544 log_module(SS_LOG, LOG_ERROR, "Couldn't allocate memory for killNode - nickname %s", user->nick);
545 spamserv_delete_user(uInfo);
549 if(uInfo->warnlevel > KILL_WARNLEVEL)
550 kNode->warnlevel = uInfo->warnlevel - KILL_WARNLEVEL;
552 kNode->warnlevel = 0;
556 dict_insert(killed_users_dict, irc_ntoa(&user->ip), kNode);
559 spamserv_delete_user(uInfo);
563 spamserv_nick_change_func(struct userNode *user, const char *old_nick)
565 struct userInfo *uInfo = get_userInfo(old_nick);
567 dict_remove(connected_users_dict, old_nick);
568 dict_insert(connected_users_dict, user->nick, uInfo);
572 spamserv_user_join(struct modeNode *mNode)
574 struct chanNode *channel = mNode->channel;
575 struct userNode *user = mNode->user;
576 struct chanInfo *cInfo;
577 struct userInfo *uInfo;
578 struct floodNode *jfNode;
580 if(user->uplink->burst || !(cInfo = get_chanInfo(channel->name)) || !CHECK_JOINFLOOD(cInfo) || !(uInfo = get_userInfo(user->nick)))
588 if(!CHECK_CHANOPS(cInfo))
590 //struct modeNode *mn = GetUserMode(channel, user);
591 //if(mn->modes & MODE_CHANOP)
593 if(check_user_level(channel, user, lvlGiveOps, 1, 0))
597 if(!CHECK_VOICED(cInfo))
599 if(check_user_level(channel, user, lvlGiveVoice, 1, 0))
603 if(cInfo->exceptlevel == 0)
605 if(cInfo->exceptlevel < 501) {
606 struct userData *uData;
607 if((uData = GetChannelUser(channel->channel_info, user->handle_info)) && (uData->access >= cInfo->exceptlevel)) {
612 if(!(jfNode = uInfo->joinflood))
614 spamserv_create_floodNode(channel, user, &uInfo->joinflood);
618 for(; jfNode; jfNode = jfNode->next)
619 if(jfNode->channel == channel)
624 spamserv_create_floodNode(channel, user, &uInfo->joinflood);
631 if(jfNode->count > JOINFLOOD_MAX)
635 spamserv_delete_floodNode(&uInfo->joinflood, jfNode);
636 snprintf(reason, sizeof(reason), spamserv_conf.network_rules ? SSMSG_WARNING_RULES : SSMSG_WARNING, SSMSG_JOINFLOOD, spamserv_conf.network_rules);
637 spamserv_punish(channel, user, JOINFLOOD_B_DURATION, reason, 1);
646 spamserv_user_part(struct modeNode *mn, UNUSED_ARG(const char *reason))
648 struct userNode *user = mn->user;
649 struct chanNode *channel = mn->channel;
650 struct userInfo *uInfo;
651 struct spamNode *sNode;
652 struct floodNode *fNode;
654 if(user->dead || !get_chanInfo(channel->name) || !(uInfo = get_userInfo(user->nick)))
657 if((sNode = uInfo->spam))
659 for(; sNode; sNode = sNode->next)
660 if(sNode->channel == channel)
664 spamserv_delete_spamNode(uInfo, sNode);
667 if((fNode = uInfo->flood))
669 for(; fNode; fNode = fNode->next)
670 if(fNode->channel == channel)
674 spamserv_delete_floodNode(&uInfo->flood, fNode);
678 /***********************************************/
680 /***********************************************/
688 for(i = 0; i < 256; i++)
692 for(j = 8; j > 0; j--)
696 crc = (crc >> 1) ^ 0xEDB88320L;
709 crc32(const char *text)
711 register unsigned long crc = 0xFFFFFFFF;
712 unsigned int c, i = 0;
714 while((c = (unsigned int)text[i++]) != 0)
715 crc = ((crc >> 8) & 0x00FFFFFF) ^ crc_table[(crc^c) & 0xFF];
717 return (crc^0xFFFFFFFF);
721 timeq_flood(UNUSED_ARG(void *data))
724 struct userInfo *uInfo;
725 struct floodNode *fNode;
727 for(it = dict_first(connected_users_dict); it; it = iter_next(it))
729 uInfo = iter_data(it);
731 if(!(fNode = uInfo->flood))
734 for(; fNode; fNode = fNode->next)
736 if(now - fNode->time > FLOOD_EXPIRE)
738 if(!(--fNode->count))
739 spamserv_delete_floodNode(&uInfo->flood, fNode);
744 timeq_add(now + FLOOD_TIMEQ_FREQ, timeq_flood, NULL);
748 timeq_joinflood(UNUSED_ARG(void *data))
751 struct userInfo *uInfo;
752 struct floodNode *fNode;
754 for(it = dict_first(connected_users_dict); it; it = iter_next(it))
756 uInfo = iter_data(it);
758 if(!(fNode = uInfo->joinflood))
761 for(; fNode; fNode = fNode->next)
763 if(now - fNode->time > JOINFLOOD_EXPIRE)
765 if(!(--fNode->count))
766 spamserv_delete_floodNode(&uInfo->joinflood, fNode);
771 timeq_add(now + JOINFLOOD_TIMEQ_FREQ, timeq_joinflood, NULL);
775 timeq_adv(UNUSED_ARG(void *data))
778 struct userInfo *uInfo;
780 for(it = dict_first(connected_users_dict); it; it = iter_next(it))
782 uInfo = iter_data(it);
784 if(uInfo->lastadv && uInfo->lastadv - now > ADV_EXPIRE)
787 uInfo->flags &= ~USER_ADV_WARNED;
791 timeq_add(now + ADV_TIMEQ_FREQ, timeq_adv, NULL);
795 timeq_warnlevel(UNUSED_ARG(void *data))
798 struct userInfo *uInfo;
800 for(it = dict_first(connected_users_dict); it; it = iter_next(it))
802 uInfo = iter_data(it);
804 if(uInfo->warnlevel > 0)
808 timeq_add(now + WARNLEVEL_TIMEQ_FREQ, timeq_warnlevel, NULL);
812 timeq_kill(UNUSED_ARG(void *data))
815 struct killNode *kNode;
817 for(it = dict_first(killed_users_dict); it; it = iter_next(it))
819 kNode = iter_data(it);
821 if(kNode->time - now > KILL_EXPIRE)
825 timeq_add(now + KILL_TIMEQ_FREQ, timeq_kill, NULL);
829 binary_option(char *name, unsigned long mask, struct userNode *user, struct chanNode *channel, int argc, char *argv[])
831 struct chanInfo *cInfo = get_chanInfo(channel->name);
836 if(enabled_string(argv[1]))
838 cInfo->flags |= mask;
841 else if(disabled_string(argv[1]))
843 cInfo->flags &= ~mask;
848 spamserv_notice(user, "SSMSG_INVALID_BINARY", argv[1]);
854 value = (cInfo->flags & mask) ? 1 : 0;
857 spamserv_notice(user, "SSMSG_STRING_VALUE", name, value ? "Enabled." : "Disabled.");
869 multiple_option(char *name, char *description, enum channelinfo info, struct valueData *values, int count, struct userNode *user, struct chanNode *channel, int argc, char *argv[])
871 struct chanInfo *cInfo = get_chanInfo(channel->name);
876 index = atoi(argv[1]);
878 if(index < 0 || index >= count)
880 spamserv_notice(user, "SSMSG_INVALID_NUM_SET", index, description);
882 for(index = 0; index < count; index++)
883 spamserv_notice(user, "SSMSG_NUMERIC_VALUE", name, index, values[index].description);
888 if(values[index].oper_only && !IsOper(user))
890 spamserv_notice(user, "SSMSG_MUST_BE_OPER");
894 cInfo->info[info] = values[index].value;
898 for(index = 0; index < count && cInfo->info[info] != values[index].value; index++);
901 spamserv_notice(user, "SSMSG_NUMERIC_VALUE", name, index, values[index].description);
906 show_exceptions(struct userNode *user, struct chanInfo *cInfo)
908 struct helpfile_table table;
911 if(!cInfo->exceptions->used)
913 spamserv_notice(user, "SSMSG_NO_EXCEPTIONS");
917 spamserv_notice(user, "SSMSG_EXCEPTION_LIST");
921 table.flags = TABLE_REPEAT_ROWS | TABLE_NO_FREE | TABLE_NO_HEADERS;
922 table.contents = alloca(cInfo->exceptions->used * sizeof(*table.contents));
924 for(i = 0; i < cInfo->exceptions->used; i++)
926 table.contents[table.length] = alloca(table.width * sizeof(**table.contents));
927 table.contents[table.length][0] = cInfo->exceptions->list[i];
931 table_send(spamserv, user->nick, 0, NULL, table);
937 show_memory_usage(struct userNode *user)
940 struct helpfile_table table;
941 struct chanInfo *cInfo;
942 struct userInfo *uInfo;
943 struct spamNode *sNode;
944 struct floodNode *fNode;
945 double channel_size = 0, user_size, size;
946 unsigned int spamcount = 0, floodcount = 0, i, j;
949 for(it = dict_first(registered_channels_dict); it; it = iter_next(it))
951 cInfo = iter_data(it);
953 if(!cInfo->exceptions->used)
956 for(i = 0; i < cInfo->exceptions->used; i++)
957 channel_size += strlen(cInfo->exceptions->list[i]) * sizeof(char);
960 for(it = dict_first(connected_users_dict); it; it = iter_next(it))
962 uInfo = iter_data(it);
964 for(sNode = uInfo->spam; sNode; sNode = sNode->next, spamcount++);
965 for(fNode = uInfo->flood; fNode; fNode = fNode->next, floodcount++);
966 for(fNode = uInfo->joinflood; fNode; fNode = fNode->next, floodcount++);
969 channel_size += dict_size(registered_channels_dict) * sizeof(struct chanInfo);
971 user_size = dict_size(connected_users_dict) * sizeof(struct userInfo) +
972 dict_size(killed_users_dict) * sizeof(struct killNode) +
973 spamcount * sizeof(struct spamNode) +
974 floodcount * sizeof(struct floodNode);
976 size = channel_size + user_size;
978 ss_reply("SSMSG_STATUS_MEMORY");
982 table.flags = TABLE_NO_FREE | TABLE_NO_HEADERS | TABLE_PAD_LEFT;
983 table.contents = calloc(table.length, sizeof(char**));
986 table.contents[0] = calloc(table.width, sizeof(char*));
987 snprintf(buffer, sizeof(buffer), "Channel Memory Usage:");
988 table.contents[0][0] = strdup(buffer);
989 snprintf(buffer, sizeof(buffer), " %g Byte; ", channel_size);
990 table.contents[0][1] = strdup(buffer);
991 snprintf(buffer, sizeof(buffer), "%g KiloByte; ", channel_size / 1024);
992 table.contents[0][2] = strdup(buffer);
993 snprintf(buffer, sizeof(buffer), "%g MegaByte", channel_size / 1024 / 1024);
994 table.contents[0][3] = strdup(buffer);
997 table.contents[1] = calloc(table.width, sizeof(char*));
998 snprintf(buffer, sizeof(buffer), "User Memory Usage :");
999 table.contents[1][0] = strdup(buffer);
1000 snprintf(buffer, sizeof(buffer), " %g Byte; ", user_size);
1001 table.contents[1][1] = strdup(buffer);
1002 snprintf(buffer, sizeof(buffer), "%g KiloByte; ", user_size / 1024);
1003 table.contents[1][2] = strdup(buffer);
1004 snprintf(buffer, sizeof(buffer), "%g MegaByte", user_size / 1024 / 1024);
1005 table.contents[1][3] = strdup(buffer);
1007 // total memory usage
1008 table.contents[2] = calloc(table.width, sizeof(char*));
1009 snprintf(buffer, sizeof(buffer), "Total Memory Usage :");
1010 table.contents[2][0] = strdup(buffer);
1011 snprintf(buffer, sizeof(buffer), " %g Byte; ", size);
1012 table.contents[2][1] = strdup(buffer);
1013 snprintf(buffer, sizeof(buffer), "%g KiloByte; ", size / 1024);
1014 table.contents[2][2] = strdup(buffer);
1015 snprintf(buffer, sizeof(buffer), "%g MegaByte", size / 1024 / 1024);
1016 table.contents[2][3] = strdup(buffer);
1018 table_send(spamserv, user->nick, 0, NULL, table);
1020 for(i = 0; i < table.length; i++)
1022 for(j = 0; j < table.width; j++)
1023 free((char*)table.contents[i][j]);
1025 free(table.contents[i]);
1028 free(table.contents);
1032 show_registered_channels(struct userNode *user)
1034 struct helpfile_table table;
1037 spamserv_notice(user, "SSMSG_STATUS_CHANNEL_LIST");
1039 if(!dict_size(registered_channels_dict))
1041 spamserv_notice(user, "SSMSG_STATUS_NO_CHANNEL");
1047 table.flags = TABLE_REPEAT_ROWS | TABLE_NO_FREE | TABLE_NO_HEADERS;
1048 table.contents = alloca(dict_size(registered_channels_dict) * sizeof(*table.contents));
1050 for(it = dict_first(registered_channels_dict); it; it = iter_next(it))
1052 struct chanInfo *cInfo = iter_data(it);
1054 table.contents[table.length] = alloca(table.width * sizeof(**table.contents));
1055 table.contents[table.length][0] = cInfo->channel->name;
1059 table_send(spamserv, user->nick, 0, NULL, table);
1062 /***********************************************/
1064 /***********************************************/
1067 SPAMSERV_FUNC(cmd_register)
1069 struct chanInfo *cInfo;
1071 if(!channel || !channel->channel_info)
1073 ss_reply("SSMSG_NOT_REGISTERED_CS", channel->name);
1077 if(get_chanInfo(channel->name))
1079 ss_reply("SSMSG_ALREADY_REGISTERED", channel->name);
1083 if(IsSuspended(channel->channel_info))
1085 ss_reply("SSMSG_SUSPENDED_CS", channel->name, "register");
1089 if(channel == spamserv_conf.debug_channel)
1091 ss_reply("SSMSG_DEBUG_CHAN");
1095 if(!(cInfo = spamserv_register_channel(channel, spamserv_conf.global_exceptions, CHAN_FLAGS_DEFAULT , CHAN_INFO_DEFAULT)))
1097 ss_reply("SSMSG_NO_REGISTER", channel->name);
1101 spamserv_join_channel(cInfo->channel);
1103 spamserv_oper_message(SSMSG_CHANNEL_REGISTERED, spamserv->nick, channel->name, user->handle_info->handle);
1104 ss_reply("SSMSG_REG_SUCCESS", channel->name);
1110 SPAMSERV_FUNC(cmd_unregister)
1112 struct chanInfo *cInfo;
1113 struct chanData *cData;
1114 struct userData *uData;
1115 char reason[MAXLEN];
1117 if(!channel || !(cData = channel->channel_info) || !(cInfo = get_chanInfo(channel->name)))
1119 ss_reply("SSMSG_NOT_REGISTERED", channel->name);
1123 if(!(uData = GetChannelUser(cData, user->handle_info)) || (uData->access < UL_OWNER))
1125 ss_reply("SSMSG_NO_ACCESS");
1129 if(!IsHelping(user))
1131 if(IsSuspended(cData))
1133 ss_reply("SSMSG_SUSPENDED_CS", channel->name, "unregister");
1137 if(argc < 2 || strcasecmp(argv[1], "CONFIRM"))
1139 ss_reply("SSMSG_CONFIRM_UNREG");
1144 if(!CHECK_SUSPENDED(cInfo))
1146 snprintf(reason, sizeof(reason), "%s unregistered by %s.", spamserv->nick, user->handle_info->handle);
1147 spamserv_part_channel(channel, reason);
1150 spamserv_unregister_channel(cInfo);
1152 spamserv_oper_message(SSMSG_CHANNEL_UNREGISTERED, spamserv->nick, channel->name, user->handle_info->handle);
1153 ss_reply("SSMSG_UNREG_SUCCESS", channel->name);
1159 SPAMSERV_FUNC(cmd_status)
1161 ss_reply("SSMSG_STATUS");
1162 ss_reply("SSMSG_STATUS_USERS", dict_size(connected_users_dict));
1163 ss_reply("SSMSG_STATUS_CHANNELS", dict_size(registered_channels_dict));
1165 if(IsOper(user) && argc > 1)
1167 if(!irccasecmp(argv[1], "memory"))
1168 show_memory_usage(user);
1169 else if(!irccasecmp(argv[1], "channels"))
1170 show_registered_channels(user);
1177 SPAMSERV_FUNC(cmd_addexception)
1179 struct chanInfo *cInfo = get_chanInfo(channel->name);
1180 struct userData *uData;
1183 if(!cInfo || !channel->channel_info)
1185 ss_reply("SSMSG_NOT_REGISTERED", channel->name);
1189 if(CHECK_SUSPENDED(cInfo))
1191 ss_reply("SSMSG_SUSPENDED", channel->name);
1195 if(!(uData = GetChannelUser(channel->channel_info, user->handle_info)) || (uData->access < 400))
1197 ss_reply("SSMSG_NO_ACCESS");
1202 return show_exceptions(user, cInfo);
1204 if(cInfo->exceptions->used == spamserv_conf.exception_max && !IsOper(user))
1206 ss_reply("SSMSG_EXCEPTION_MAX", spamserv_conf.exception_max);
1210 if(strlen(argv[1]) < spamserv_conf.exception_min_len)
1212 ss_reply("SSMSG_EXCEPTION_TOO_SHORT", spamserv_conf.exception_min_len);
1215 else if(strlen(argv[1]) > spamserv_conf.exception_max_len)
1217 ss_reply("SSMSG_EXCEPTION_TOO_LONG", spamserv_conf.exception_max_len);
1221 for(i = 0; i < cInfo->exceptions->used; i++)
1223 if(!irccasecmp(argv[1], cInfo->exceptions->list[i]))
1225 ss_reply("SSMSG_EXCEPTION_IN_LIST", argv[1]);
1230 string_list_append(cInfo->exceptions, strdup(argv[1]));
1231 ss_reply("SSMSG_EXCEPTION_ADDED", argv[1]);
1237 SPAMSERV_FUNC(cmd_delexception)
1239 struct chanInfo *cInfo = get_chanInfo(channel->name);
1240 struct userData *uData;
1244 if(!cInfo || !channel->channel_info)
1246 ss_reply("SSMSG_NOT_REGISTERED", channel->name);
1250 if(CHECK_SUSPENDED(cInfo))
1252 ss_reply("SSMSG_SUSPENDED", channel->name);
1256 if(!(uData = GetChannelUser(channel->channel_info, user->handle_info)) || (uData->access < 400))
1258 ss_reply("SSMSG_NO_ACCESS");
1263 return show_exceptions(user, cInfo);
1265 for(i = 0; i < cInfo->exceptions->used; i++)
1267 if(!irccasecmp(argv[1], cInfo->exceptions->list[i]))
1276 ss_reply("SSMSG_NO_SUCH_EXCEPTION", argv[1]);
1280 string_list_delete(cInfo->exceptions, i);
1281 ss_reply("SSMSG_EXCEPTION_DELETED", argv[1]);
1287 SPAMSERV_FUNC(cmd_set)
1289 struct chanInfo *cInfo = get_chanInfo(channel->name);
1290 struct svccmd *subcmd;
1291 char cmd_name[MAXLEN];
1296 ss_reply("SSMSG_NOT_REGISTERED", channel->name);
1300 if(CHECK_SUSPENDED(cInfo))
1302 ss_reply("SSMSG_SUSPENDED", channel->name);
1306 if(!check_user_level(channel,user,lvlSetters,1,0))
1308 ss_reply("SSMSG_NO_ACCESS");
1314 ss_reply("SSMSG_CHANNEL_OPTIONS");
1316 for(i = 0; i < SET_SUBCMDS_SIZE; i++)
1318 sprintf(cmd_name, "%s %s", cmd->name, set_subcommands[i]);
1320 if((subcmd = dict_find(cmd->parent->commands, cmd_name, NULL)))
1321 subcmd->command->func(user, channel, 1, argv + 1, subcmd);
1327 sprintf(cmd_name, "%s %s", cmd->name, argv[1]);
1328 subcmd = dict_find(cmd->parent->commands, cmd_name, NULL);
1332 reply("SSMSG_INVALID_OPTION", argv[1], argv[0]);
1336 return subcmd->command->func(user, channel, argc - 1, argv + 1, subcmd);
1340 SPAMSERV_FUNC(opt_spamlimit)
1342 struct valueData values[] =
1344 {"Users may send the same message $b2$b times.", 'a', 0},
1345 {"Users may send the same message $b3$b times.", 'b', 0},
1346 {"Users may send the same message $b4$b times.", 'c', 0},
1347 {"Users may send the same message $b5$b times.", 'd', 0},
1348 {"Users may send the same message $b6$b times.", 'e', 0}
1351 MULTIPLE_OPTION("SpamLimit ", "SpamLimit", ci_SpamLimit);
1355 SPAMSERV_FUNC(opt_advreaction)
1357 struct valueData values[] =
1359 {"Kick on disallowed advertising.", 'k', 0},
1360 {"Kickban on disallowed advertising.", 'b', 0},
1361 {"Short timed ban on disallowed advertising.", 's', 0},
1362 {"Long timed ban on disallowed advertising.", 'l', 0},
1363 {"Kill on disallowed advertising.", 'd', 1}
1366 MULTIPLE_OPTION("AdvReaction ", "AdvReaction", ci_AdvReaction);
1370 SPAMSERV_FUNC(opt_warnreaction)
1372 struct valueData values[] =
1374 {"Kick after warning.", 'k', 0},
1375 {"Kickban after warning.", 'b', 0},
1376 {"Short timed ban after warning.", 's', 0},
1377 {"Long timed ban after warning.", 'l', 0},
1378 {"Kill after warning.", 'd', 1}
1381 MULTIPLE_OPTION("WarnReaction ", "WarnReaction", ci_WarnReaction);
1385 SPAMSERV_FUNC(opt_advscan)
1387 BINARY_OPTION("AdvScan ", CHAN_ADV_SCAN);
1391 SPAMSERV_FUNC(opt_spamscan)
1393 BINARY_OPTION("SpamScan ", CHAN_SPAMSCAN);
1397 SPAMSERV_FUNC(opt_floodscan)
1399 BINARY_OPTION("FloodScan ", CHAN_FLOODSCAN);
1403 SPAMSERV_FUNC(opt_joinflood)
1405 BINARY_OPTION("JoinFloodScan ", CHAN_JOINFLOOD);
1409 SPAMSERV_FUNC(opt_scanops)
1411 BINARY_OPTION("ScanChanOps ", CHAN_SCAN_CHANOPS);
1415 SPAMSERV_FUNC(opt_scanvoiced)
1417 BINARY_OPTION("ScanVoiced ", CHAN_SCAN_VOICED);
1421 SPAMSERV_FUNC(opt_exceptlevel)
1423 struct chanInfo *cInfo = get_chanInfo(channel->name);
1424 struct userData *uData;
1428 index = atoi(argv[1]);
1429 if(index < 1 || index > 501)
1431 spamserv_notice(user, "SSMSG_INVALID_NUM_SET", index, "ExceptLevel");
1434 if(!(uData = GetChannelUser(channel->channel_info, user->handle_info)) || (uData->access < cInfo->exceptlevel || index > uData->access))
1436 ss_reply("SSMSG_NO_ACCESS");
1439 cInfo->exceptlevel=index;
1441 index=cInfo->exceptlevel;
1443 spamserv_notice(user, "SSMSG_EASYNUMERIC_VALUE", "ExceptLevel ", index);
1448 to_lower(char *message)
1450 unsigned int i, diff = 'a' - 'A';
1452 for(i = 0; i < strlen(message); i++)
1454 if((message[i] >= 'A') && (message[i] <= 'Z'))
1455 message[i] = message[i] + diff;
1460 strip_mirc_codes(char *text)
1462 // taken from xchat and modified
1463 int nc = 0, i = 0, col = 0, len = strlen(text);
1464 static char new_str[MAXLEN];
1468 if((col && isdigit(*text) && nc < 2) ||
1469 (col && *text == ',' && isdigit(*(text + 1)) && nc < 3))
1508 is_in_exception_list(struct chanInfo *cInfo, char *message)
1512 for(i = 0; i < cInfo->exceptions->used; i++)
1513 if(strstr(message, cInfo->exceptions->list[i]))
1520 check_advertising(struct chanInfo *cInfo, char *message)
1524 if(spamserv_conf.strip_mirc_codes)
1525 message = strip_mirc_codes(message);
1527 if(is_in_exception_list(cInfo, message))
1530 while(message[i] != 0)
1532 if(message[i] == '#')
1534 char channelname[CHANNELLEN];
1537 if(!spamserv_conf.adv_chan_must_exist)
1540 /* only return 1, if the channel does exist */
1542 while((message[i] != 0) && (message[i] != ' '))
1544 channelname[j] = message[i];
1549 channelname[j] = '\0';
1551 if(GetChannel(channelname))
1554 else if((message[i] == 'w') && (message[i+1] == 'w') && (message[i+2] == 'w') && (message[i+3] == '.'))
1556 else if((message[i] == 'h') && (message[i+1] == 't') && (message[i+2] == 't') && (message[i+3] == 'p') && (message[i+4] == ':'))
1558 else if((message[i] == 'f') && (message[i+1] == 't') && (message[i+2] == 'p') && ((message[i+3] == '.') || (message[i+3] == ':')))
1567 struct banData *add_channel_ban(struct chanData *channel, const char *mask, char *owner, unsigned long set, unsigned long triggered, unsigned long expires, char *reason);
1570 spamserv_punish(struct chanNode *channel, struct userNode *user, time_t expires, char *reason, int ban)
1574 struct mod_chanmode change;
1575 char *hostmask = generate_hostmask(user, GENMASK_STRICT_HOST | GENMASK_ANY_IDENT);
1577 sanitize_ircmask(hostmask);
1580 add_channel_ban(channel->channel_info, hostmask, spamserv->nick, now, now, now + expires, reason);
1582 mod_chanmode_init(&change);
1584 change.args[0].mode = MODE_BAN;
1585 change.args[0].u.hostmask = hostmask;
1586 mod_chanmode_announce(spamserv, channel, &change);
1590 spamserv_debug(SSMSG_DEBUG_BAN, user->nick, channel->name, reason);
1593 spamserv_debug(SSMSG_DEBUG_KICK, user->nick, channel->name, reason);
1595 KickChannelUser(user, channel, spamserv, reason);
1599 spamserv_channel_message(struct chanNode *channel, struct userNode *user, char *text)
1601 struct chanInfo *cInfo;
1602 struct userInfo *uInfo;
1603 struct spamNode *sNode;
1604 struct floodNode *fNode;
1605 unsigned int violation = 0;
1606 char reason[MAXLEN];
1608 /* make sure: spamserv is not disabled; srvx is running; spamserv is in the chan; chan is regged, user does exist */
1609 if(!spamserv || quit_services || !GetUserMode(channel, spamserv) || !(cInfo = get_chanInfo(channel->name)) || !(uInfo = get_userInfo(user->nick)))
1617 if(!CHECK_CHANOPS(cInfo))
1619 struct modeNode *mn = GetUserMode(channel, user);
1620 if(mn && mn->modes & MODE_CHANOP)
1622 //if(check_user_level(channel, user, lvlGiveOps, 1, 0))
1626 if(!CHECK_VOICED(cInfo))
1628 struct modeNode *mn = GetUserMode(channel, user);
1629 if(mn && (mn->modes & MODE_VOICE) && !(mn->modes & MODE_CHANOP))
1633 if(cInfo->exceptlevel == 0)
1635 if(cInfo->exceptlevel < 501) {
1636 struct userData *uData;
1637 if((uData = GetChannelUser(channel->channel_info, user->handle_info)) && (uData->access >= cInfo->exceptlevel)) {
1644 if(CHECK_SPAM(cInfo))
1646 if(!(sNode = uInfo->spam))
1648 spamserv_create_spamNode(channel, uInfo, text);
1652 for(; sNode; sNode = sNode->next)
1653 if(sNode->channel == channel)
1658 spamserv_create_spamNode(channel, uInfo, text);
1662 unsigned long crc = crc32(text);
1664 if(crc == sNode->crc32)
1666 unsigned int spamlimit = 2;
1669 switch(cInfo->info[ci_SpamLimit])
1671 case 'a': spamlimit = 2; break;
1672 case 'b': spamlimit = 3; break;
1673 case 'c': spamlimit = 4; break;
1674 case 'd': spamlimit = 5; break;
1675 case 'e': spamlimit = 6; break;
1678 if(sNode->count == spamlimit)
1680 uInfo->warnlevel += SPAM_WARNLEVEL;
1682 if(uInfo->warnlevel < MAX_WARNLEVEL)
1683 spamserv_notice(user, spamserv_conf.network_rules ? SSMSG_WARNING_RULES : SSMSG_WARNING, SSMSG_SPAM, spamserv_conf.network_rules);
1685 else if(sNode->count > spamlimit)
1687 switch(cInfo->info[ci_WarnReaction])
1689 case 'k': uInfo->flags |= USER_KICK; break;
1690 case 'b': uInfo->flags |= USER_KICKBAN; break;
1691 case 's': uInfo->flags |= USER_SHORT_TBAN; break;
1692 case 'l': uInfo->flags |= USER_LONG_TBAN; break;
1693 case 'd': uInfo->flags |= CHECK_KILLED(uInfo) ? USER_GLINE : USER_KILL; break;
1696 spamserv_delete_spamNode(uInfo, sNode);
1697 uInfo->warnlevel += SPAM_WARNLEVEL;
1710 if(CHECK_FLOOD(cInfo))
1712 if(!(fNode = uInfo->flood))
1714 spamserv_create_floodNode(channel, user, &uInfo->flood);
1718 for(; fNode; fNode = fNode->next)
1719 if(fNode->channel == channel)
1724 spamserv_create_floodNode(channel, user, &uInfo->flood);
1728 if(((now - fNode->time) < FLOOD_EXPIRE))
1732 if(fNode->count == FLOOD_MAX_LINES - 1)
1734 uInfo->warnlevel += FLOOD_WARNLEVEL;
1736 if(uInfo->warnlevel < MAX_WARNLEVEL)
1737 spamserv_notice(user, spamserv_conf.network_rules ? SSMSG_WARNING_RULES : SSMSG_WARNING, SSMSG_FLOOD, spamserv_conf.network_rules);
1739 else if(fNode->count > FLOOD_MAX_LINES)
1741 switch(cInfo->info[ci_WarnReaction])
1743 case 'k': uInfo->flags |= USER_KICK; break;
1744 case 'b': uInfo->flags |= USER_KICKBAN; break;
1745 case 's': uInfo->flags |= USER_SHORT_TBAN; break;
1746 case 'l': uInfo->flags |= USER_LONG_TBAN; break;
1747 case 'd': uInfo->flags |= CHECK_KILLED(uInfo) ? USER_GLINE : USER_KILL; break;
1750 spamserv_delete_floodNode(&uInfo->flood, fNode);
1751 uInfo->warnlevel += FLOOD_WARNLEVEL;
1761 if(CHECK_ADV(cInfo) && check_advertising(cInfo, text))
1763 if(CHECK_ADV_WARNED(uInfo))
1765 switch(cInfo->info[ci_AdvReaction])
1767 case 'k': uInfo->flags |= USER_KICK; break;
1768 case 'b': uInfo->flags |= USER_KICKBAN; break;
1769 case 's': uInfo->flags |= USER_SHORT_TBAN; break;
1770 case 'l': uInfo->flags |= USER_LONG_TBAN; break;
1771 case 'd': uInfo->flags |= CHECK_KILLED(uInfo) ? USER_GLINE : USER_KILL; break;
1774 uInfo->warnlevel += ADV_WARNLEVEL;
1779 uInfo->flags |= USER_ADV_WARNED;
1780 uInfo->lastadv = now;
1781 uInfo->warnlevel += ADV_WARNLEVEL;
1783 if(uInfo->warnlevel < MAX_WARNLEVEL)
1784 spamserv_notice(user, spamserv_conf.network_rules ? SSMSG_WARNING_RULES : SSMSG_WARNING, SSMSG_ADV, spamserv_conf.network_rules);
1788 if(!CHECK_WARNED(uInfo) && !CHECK_KILL(uInfo) && !CHECK_GLINE(uInfo) && uInfo->warnlevel == MAX_WARNLEVEL)
1790 uInfo->flags |= USER_WARNED;
1791 snprintf(reason, sizeof(reason), spamserv_conf.network_rules ? SSMSG_WARNING_RULES_2 : SSMSG_WARNING_2, spamserv_conf.network_rules);
1792 irc_notice(spamserv, user->numeric, reason);
1793 irc_privmsg(spamserv, user->numeric, reason);
1795 else if(uInfo->warnlevel > MAX_WARNLEVEL)
1797 if(CHECK_KILLED(uInfo))
1798 uInfo->flags |= USER_GLINE;
1800 uInfo->flags |= USER_KILL;
1810 case 1: snprintf(reason, sizeof(reason), spamserv_conf.network_rules ? SSMSG_WARNING_RULES : SSMSG_WARNING, SSMSG_SPAM, spamserv_conf.network_rules); break;
1811 case 2: snprintf(reason, sizeof(reason), spamserv_conf.network_rules ? SSMSG_WARNING_RULES : SSMSG_WARNING, SSMSG_FLOOD, spamserv_conf.network_rules); break;
1812 case 3: snprintf(reason, sizeof(reason), spamserv_conf.network_rules ? SSMSG_WARNING_RULES : SSMSG_WARNING, SSMSG_ADV, spamserv_conf.network_rules); break;
1813 default: snprintf(reason, sizeof(reason), spamserv_conf.network_rules ? SSMSG_WARNING_RULES_2 : SSMSG_WARNING_2, spamserv_conf.network_rules); break;
1816 if(CHECK_GLINE(uInfo))
1818 int size = strlen(user->hostname) + 3;
1819 char *mask = alloca(size);
1820 snprintf(mask, size, "*@%s", user->hostname);
1821 gline_add(spamserv->nick, mask, spamserv_conf.gline_duration, reason, now, now, 0, 1);
1822 spamserv_debug(SSMSG_DEBUG_GLINE, user->nick, user->hostname, channel->name);
1824 else if(CHECK_KILL(uInfo))
1826 DelUser(user, spamserv, 1, reason);
1827 spamserv_debug(SSMSG_DEBUG_KILL, user->nick, channel->name);
1829 else if(CHECK_LONG_TBAN(uInfo))
1831 spamserv_punish(channel, user, spamserv_conf.long_ban_duration, reason, 1);
1833 else if(CHECK_SHORT_TBAN(uInfo))
1835 spamserv_punish(channel, user, spamserv_conf.short_ban_duration, reason, 1);
1837 else if(CHECK_KICKBAN(uInfo))
1839 spamserv_punish(channel, user, 0, reason, 1);
1841 else if(CHECK_KICK(uInfo))
1843 spamserv_punish(channel, user, 0, reason, 0);
1848 spamserv_saxdb_read(struct dict *database)
1851 struct record_data *hir;
1852 struct chanNode *channel;
1853 struct chanInfo *cInfo;
1854 struct string_list *strlist;
1855 unsigned int flags,exceptlevel;
1857 unsigned long expiry;
1859 for(it = dict_first(database); it; it = iter_next(it))
1861 hir = iter_data(it);
1863 if(hir->type != RECDB_OBJECT)
1865 log_module(SS_LOG, LOG_WARNING, "Unexpected rectype %d for %s.", hir->type, iter_key(it));
1869 channel = GetChannel(iter_key(it));
1870 strlist = database_get_data(hir->d.object, KEY_EXCEPTIONS, RECDB_STRING_LIST);
1872 str = database_get_data(hir->d.object, KEY_FLAGS, RECDB_QSTRING);
1873 flags = str ? atoi(str) : 0;
1875 info = database_get_data(hir->d.object, KEY_INFO, RECDB_QSTRING);
1876 str = database_get_data(hir->d.object, KEY_EXCEPTLEVEL, RECDB_QSTRING);
1877 exceptlevel = str ? atoi(str) : 400;
1879 str = database_get_data(hir->d.object, KEY_EXPIRY, RECDB_QSTRING);
1880 expiry = str ? strtoul(str, NULL, 0) : 0;
1884 if((cInfo = spamserv_register_channel(channel, strlist, flags, info)))
1886 /* if the channel is suspended and expiry = 0 it means: channel will
1887 never expire ! it does NOT mean, the channel is not suspended */
1888 if(CHECK_SUSPENDED(cInfo) && expiry && (expiry < now))
1890 cInfo->flags &= ~CHAN_SUSPENDED;
1891 spamserv_join_channel(cInfo->channel);
1893 else if(!CHECK_SUSPENDED(cInfo))
1894 spamserv_join_channel(cInfo->channel);
1896 cInfo->suspend_expiry = expiry;
1897 cInfo->exceptlevel=exceptlevel;
1901 log_module(SS_LOG, LOG_ERROR, "Couldn't register channel %s. Channel or info invalid.", iter_key(it));
1908 spamserv_saxdb_write(struct saxdb_context *ctx)
1912 for(it = dict_first(registered_channels_dict); it; it = iter_next(it))
1914 struct chanInfo *cInfo = iter_data(it);
1916 saxdb_start_record(ctx, cInfo->channel->name, 1);
1918 if(cInfo->exceptions->used)
1919 saxdb_write_string_list(ctx, KEY_EXCEPTIONS, cInfo->exceptions);
1922 saxdb_write_int(ctx, KEY_FLAGS, cInfo->flags);
1924 saxdb_write_string(ctx, KEY_INFO, cInfo->info);
1925 saxdb_write_int(ctx, KEY_EXCEPTLEVEL, cInfo->exceptlevel);
1927 if(cInfo->suspend_expiry)
1928 saxdb_write_int(ctx, KEY_EXPIRY, cInfo->suspend_expiry);
1930 saxdb_end_record(ctx);
1936 spamserv_conf_read(void)
1941 if(!(conf_node = conf_get_data(SPAMSERV_CONF_NAME, RECDB_OBJECT)))
1943 log_module(SS_LOG, LOG_ERROR, "config node `%s' is missing or has wrong type.", SPAMSERV_CONF_NAME);
1947 str = database_get_data(conf_node, KEY_DEBUG_CHANNEL, RECDB_QSTRING);
1950 spamserv_conf.debug_channel = AddChannel(str, now, "+tinms", NULL);
1952 if(spamserv_conf.debug_channel)
1953 spamserv_join_channel(spamserv_conf.debug_channel);
1957 spamserv_conf.debug_channel = NULL;
1960 str = database_get_data(conf_node, KEY_OPER_CHANNEL, RECDB_QSTRING);
1963 spamserv_conf.oper_channel = AddChannel(str, now, "+tinms", NULL);
1967 spamserv_conf.oper_channel = NULL;
1970 spamserv_conf.global_exceptions = database_get_data(conf_node, KEY_GLOBAL_EXCEPTIONS, RECDB_STRING_LIST);
1972 str = database_get_data(conf_node, KEY_NETWORK_RULES, RECDB_QSTRING);
1973 spamserv_conf.network_rules = str ? str : NULL;
1975 str = database_get_data(conf_node, KEY_TRIGGER, RECDB_QSTRING);
1976 spamserv_conf.trigger = str ? str[0] : 0;
1978 str = database_get_data(conf_node, KEY_SHORT_BAN_DURATION, RECDB_QSTRING);
1979 spamserv_conf.short_ban_duration = str ? ParseInterval(str) : ParseInterval("15m");
1981 str = database_get_data(conf_node, KEY_LONG_BAN_DURATION, RECDB_QSTRING);
1982 spamserv_conf.long_ban_duration = str ? ParseInterval(str) : ParseInterval("1h");
1984 str = database_get_data(conf_node, KEY_GLINE_DURATION, RECDB_QSTRING);
1985 spamserv_conf.gline_duration = str ? ParseInterval(str) : ParseInterval("1h");
1987 str = database_get_data(conf_node, KEY_EXCEPTION_MAX, RECDB_QSTRING);
1988 spamserv_conf.exception_max = str ? strtoul(str, NULL, 0) : 10;
1990 str = database_get_data(conf_node, KEY_EXCEPTION_MIN_LEN, RECDB_QSTRING);
1991 spamserv_conf.exception_min_len = str ? strtoul(str, NULL, 0) : 4;
1993 str = database_get_data(conf_node, KEY_EXCEPTION_MAX_LEN, RECDB_QSTRING);
1994 spamserv_conf.exception_max_len = str ? strtoul(str, NULL, 0) : 15;
1996 str = database_get_data(conf_node, KEY_ADV_CHAN_MUST_EXIST, RECDB_QSTRING);
1997 spamserv_conf.adv_chan_must_exist = str ? enabled_string(str) : 1;
1999 str = database_get_data(conf_node, KEY_STRIP_MIRC_CODES, RECDB_QSTRING);
2000 spamserv_conf.strip_mirc_codes = str ? enabled_string(str) : 0;
2002 str = database_get_data(conf_node, KEY_ALLOW_MOVE_MERGE, RECDB_QSTRING);
2003 spamserv_conf.allow_move_merge = str ? enabled_string(str) : 0;
2007 spamserv_db_cleanup(void)
2011 while((it = dict_first(registered_channels_dict)))
2013 spamserv_unregister_channel(iter_data(it));
2016 while((it = dict_first(killed_users_dict)))
2018 free(iter_data(it));
2021 dict_delete(registered_channels_dict);
2022 dict_delete(connected_users_dict);
2023 dict_delete(killed_users_dict);
2027 init_spamserv(const char *nick)
2032 const char *modes = conf_get_data("services/spamserv/modes", RECDB_QSTRING);
2033 spamserv = AddLocalUser(nick, nick, NULL, "Anti Spam Services", modes);
2034 spamserv_service = service_register(spamserv);
2035 service_register(spamserv)->trigger = spamserv_conf.trigger;
2037 conf_register_reload(spamserv_conf_read);
2039 SS_LOG = log_register_type("SpamServ", "file:spamserv.log");
2041 registered_channels_dict = dict_new();
2042 connected_users_dict = dict_new();
2043 killed_users_dict = dict_new();
2045 reg_new_user_func(spamserv_new_user_func);
2046 reg_del_user_func(spamserv_del_user_func);
2047 reg_nick_change_func(spamserv_nick_change_func);
2048 reg_join_func(spamserv_user_join);
2049 reg_part_func(spamserv_user_part);
2051 timeq_add(now + FLOOD_TIMEQ_FREQ, timeq_flood, NULL);
2052 timeq_add(now + JOINFLOOD_TIMEQ_FREQ, timeq_joinflood, NULL);
2053 timeq_add(now + ADV_TIMEQ_FREQ, timeq_adv, NULL);
2054 timeq_add(now + WARNLEVEL_TIMEQ_FREQ, timeq_warnlevel, NULL);
2055 timeq_add(now + KILL_TIMEQ_FREQ, timeq_kill, NULL);
2057 spamserv_module = module_register("SpamServ", SS_LOG, "spamserv.help", NULL);
2058 modcmd_register(spamserv_module, "REGISTER", cmd_register, 1, MODCMD_REQUIRE_AUTHED|MODCMD_REQUIRE_CHANNEL, "flags", "+acceptchan,+helping", NULL);
2059 modcmd_register(spamserv_module, "UNREGISTER", cmd_unregister, 1, MODCMD_REQUIRE_AUTHED|MODCMD_REQUIRE_CHANNEL, "flags", "+loghostmask", NULL);
2060 modcmd_register(spamserv_module, "ADDEXCEPTION", cmd_addexception, 1, MODCMD_REQUIRE_AUTHED|MODCMD_REQUIRE_CHANNEL, NULL);
2061 modcmd_register(spamserv_module, "DELEXCEPTION", cmd_delexception, 1, MODCMD_REQUIRE_AUTHED|MODCMD_REQUIRE_CHANNEL, NULL);
2062 modcmd_register(spamserv_module, "STATUS", cmd_status, 1, 0, NULL);
2063 modcmd_register(spamserv_module, "SET", cmd_set, 1, MODCMD_REQUIRE_AUTHED|MODCMD_REQUIRE_CHANNEL, NULL);
2064 modcmd_register(spamserv_module, "SET SPAMLIMIT", opt_spamlimit, 1, MODCMD_REQUIRE_AUTHED|MODCMD_REQUIRE_CHANNEL, NULL);
2065 modcmd_register(spamserv_module, "SET ADVREACTION", opt_advreaction, 1, MODCMD_REQUIRE_AUTHED|MODCMD_REQUIRE_CHANNEL, NULL);
2066 modcmd_register(spamserv_module, "SET WARNREACTION", opt_warnreaction, 1, MODCMD_REQUIRE_AUTHED|MODCMD_REQUIRE_CHANNEL, NULL);
2067 modcmd_register(spamserv_module, "SET ADVSCAN", opt_advscan, 1, MODCMD_REQUIRE_AUTHED|MODCMD_REQUIRE_CHANNEL, NULL);
2068 modcmd_register(spamserv_module, "SET SPAMSCAN", opt_spamscan, 1, MODCMD_REQUIRE_AUTHED|MODCMD_REQUIRE_CHANNEL, NULL);
2069 modcmd_register(spamserv_module, "SET FLOODSCAN", opt_floodscan, 1, MODCMD_REQUIRE_AUTHED|MODCMD_REQUIRE_CHANNEL, NULL);
2070 modcmd_register(spamserv_module, "SET JOINFLOODSCAN", opt_joinflood, 1, MODCMD_REQUIRE_AUTHED|MODCMD_REQUIRE_CHANNEL, NULL);
2071 modcmd_register(spamserv_module, "SET SCANCHANOPS", opt_scanops, 1, MODCMD_REQUIRE_AUTHED|MODCMD_REQUIRE_CHANNEL, NULL);
2072 modcmd_register(spamserv_module, "SET SCANVOICED", opt_scanvoiced, 1, MODCMD_REQUIRE_AUTHED|MODCMD_REQUIRE_CHANNEL, NULL);
2073 modcmd_register(spamserv_module, "SET EXCEPTLEVEL", opt_exceptlevel, 1, MODCMD_REQUIRE_AUTHED|MODCMD_REQUIRE_CHANNEL, NULL);
2075 saxdb_register("SpamServ", spamserv_saxdb_read, spamserv_saxdb_write);
2076 reg_exit_func(spamserv_db_cleanup);
2077 message_register_table(msgtab);