src/bot_NeonSpam.c

   1 /* bot_NeonSpam.c - NeonServ v5.2
   2  * Copyright (C) 2011  Philipp Kreil (pk910)
   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 3 of the License, or
   7  * (at your option) any later version.
   8  *
   9  * This program is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  * GNU General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU General Public License
  15  * along with this program. If not, see <http://www.gnu.org/licenses/>.
  16  */
  17
  18 #include "bot_NeonSpam.h"
  19 #include "modcmd.h"
  20 #include "IRCParser.h"
  21 #include "IRCEvents.h"
  22 #include "UserNode.h"
  23 #include "ChanNode.h"
  24 #include "ChanUser.h"
  25 #include "ModeNode.h"
  26 #include "BanNode.h"
  27 #include "ClientSocket.h"
  28 #include "mysqlConn.h"
  29 #include "lang.h"
  30 #include "HandleInfoHandler.h"
  31 #include "WHOHandler.h"
  32 #include "DBHelper.h"
  33 #include "tools.h"
  34 #include "timeq.h"
  35 #include "version.h"
  36 #include "EventLogger.h"
  37 #include "bots.h"
  38 #include "cmd_neonserv.h"
  39 #include "cmd_neonspam.h"
  40
  41 #define BOTID 2
  42
  43 static const struct default_language_entry msgtab[] = {
  44     {"SS_SET_PERCENT", "%u is an invalid percent value (valid: 0-100)"},
  45     {"SS_SET_SENSIBILITY", "%s is an invalid sensibility format. (valid: amount:time   e.g. 5:10)"},
  46     {"SS_SET_SENSIBILITY_AMOUNT", "%d is an invalid amount value. (valid: %d-%d)"},
  47     {"SS_SET_SENSIBILITY_TIME", "%d is an invalid time value. (valid: %d-%d)"},
  48     {"SS_SET_SPAMLIMIT", "%d is an invalid spamlimit value. (valid: %d-%d)"},
  49     {"SS_SET_OPTION_SpamReaction_0", "Kick"},
  50     {"SS_SET_OPTION_SpamReaction_1", "KickBan"},
  51     {"SS_SET_OPTION_SpamReaction_2", "Timed Ban"},
  52     {"SS_SET_OPTION_FloodReaction_0", "Kick"},
  53     {"SS_SET_OPTION_FloodReaction_1", "KickBan"},
  54     {"SS_SET_OPTION_FloodReaction_2", "Timed Ban"},
  55     {"SS_SET_OPTION_JoinReaction_0", "Kick"},
  56     {"SS_SET_OPTION_JoinReaction_1", "KickBan"},
  57     {"SS_SET_OPTION_JoinReaction_2", "Timed Ban"},
  58     {"SS_SET_OPTION_CapsReaction_0", "Kick"},
  59     {"SS_SET_OPTION_CapsReaction_1", "KickBan"},
  60     {"SS_SET_OPTION_CapsReaction_2", "Timed Ban"},
  61     {"SS_SET_OPTION_DigitReaction_0", "Kick"},
  62     {"SS_SET_OPTION_DigitReaction_1", "KickBan"},
  63     {"SS_SET_OPTION_DigitReaction_2", "Timed Ban"},
  64     {NULL, NULL}
  65 };
  66
  67 static unsigned int convertNeonSpamSettingsToFlags(char *str);
  68 static int loadNeonSpamSettings(struct ChanNode *chan);
  69 static void createSpamNode(struct ChanUser *chanuser);
  70 static void freeJoinNode(struct NeonSpamJoinNode *joinnode);
  71 static struct NeonSpamJoinNode *getNeonSpamJoinNode(struct ChanUser *chanuser);
  72
  73 #define SPAMSERV_CHECK_IGNORE 0
  74 #define SPAMSERV_CHECK_WARN   1
  75 #define SPAMSERV_CHECK_PUNISH 2
  76 #define SPAMSERV_CHECK_DEAD   3 /* scanner has already killed the user */
  77
  78 #define SPAMSERV_MSG_SPAM       "Spamming"
  79 #define SPAMSERV_MSG_FLOOD      "Flooding the channel/network"
  80 #define SPAMSERV_MSG_ADV        "Advertising"
  81 #define SPAMSERV_MSG_JOINFLOOD  "Join flooding the channel"
  82 #define SPAMSERV_MSG_WARNING    "%s is against the channel rules"
  83 #define SPAMSERV_MSG_BOTNET     "BotNet detected."
  84 #define SPAMSERV_MSG_CAPS       "Using too many chars in UPPER CASE"
  85 #define SPAMSERV_MSG_DIGIT      "Using too many numeric chars"
  86
  87 //EVENTS
  88 #include "event_neonspam_join.c"
  89 #include "event_neonspam_chanmsg.c"
  90
  91 static void neonspam_bot_ready(struct ClientSocket *client) {
  92     MYSQL_RES *res;
  93     MYSQL_ROW row;
  94
  95     printf_mysql_query("SELECT `automodes` FROM `bots` WHERE `id` = '%d'", client->clientid);
  96     res = mysql_use();
  97     if ((row = mysql_fetch_row(res)) != NULL) {
  98         putsock(client, "MODE %s +%s", client->user->nick, row[0]);
  99     }
 100
 101     printf_mysql_query("SELECT `channel_name`, `channel_key` FROM `bot_channels` LEFT JOIN `channels` ON `chanid` = `channel_id` WHERE `botid` = '%d' AND `suspended` = '0'", client->clientid);
 102     res = mysql_use();
 103
 104     while ((row = mysql_fetch_row(res)) != NULL) {
 105         putsock(client, "JOIN %s %s", row[0], row[1]);
 106     }
 107 }
 108
 109 static void neonspam_trigger_callback(struct ChanNode *chan, char *trigger) {
 110     MYSQL_RES *res;
 111     MYSQL_ROW row;
 112     loadChannelSettings(chan);
 113     printf_mysql_query("SELECT `trigger` FROM `bot_channels` LEFT JOIN `bots` ON `botid` = `bots`.`id` WHERE `chanid` = '%d' AND `botclass` = '%d'", chan->channel_id, BOTID);
 114     res = mysql_use();
 115     row = mysql_fetch_row(res);
 116     strcpy(trigger, (strlen(row[0]) ? row[0] : "~"));
 117 }
 118
 119 static void start_bots() {
 120     struct UserNode *user;
 121     struct ClientSocket *client;
 122     MYSQL_RES *res, *res2;
 123     MYSQL_ROW row;
 124
 125     printf_mysql_query("SELECT `nick`, `ident`, `realname`, `server`, `port`, `pass`, `textbot`, `id`, `queue` FROM `bots` WHERE `botclass` = '%d' AND `active` = '1'", BOTID);
 126     res = mysql_use();
 127
 128     while ((row = mysql_fetch_row(res)) != NULL) {
 129         user = addUser(row[0]);
 130         strcpy(user->ident, row[1]);
 131         strcpy(user->realname, row[2]);
 132         user->flags |= USERFLAG_ISBOT;
 133         client = create_socket(row[3], atoi(row[4]), row[5], user);
 134         client->flags |= (strcmp(row[6], "0") ? SOCKET_FLAG_PREFERRED : 0);
 135         client->flags |= (strcmp(row[8], "0") ? SOCKET_FLAG_USE_QUEUE : 0);
 136         client->botid = BOTID;
 137         client->clientid = atoi(row[7]);
 138         connect_socket(client);
 139     }
 140
 141     printf_mysql_query("SELECT `command`, `function`, `parameters`, `global_access`, `chan_access` FROM `bot_binds` WHERE `botclass` = '%d'", BOTID);
 142     res2 = mysql_use();
 143     while ((row = mysql_fetch_row(res2)) != NULL) {
 144         if(bind_cmd_to_command(BOTID, row[0], row[1])) {
 145             if(row[2] && strcmp(row[2], "")) {
 146                 bind_set_parameters(BOTID, row[0], row[2]);
 147             }
 148             if(row[3]) {
 149                 bind_set_global_access(BOTID, row[0], atoi(row[3]));
 150             }
 151             if(row[4]) {
 152                 bind_set_channel_access(BOTID, row[0], row[4]);
 153             }
 154         }
 155     }
 156     bind_unbound_required_functions(BOTID);
 157 }
 158
 159 char* convertNeonSpamSettingsToString(unsigned int flags, char *buffer) {
 160     int pos = 0;
 161     unsigned int i;
 162     int j = 0;
 163     char *chars = SPAMSETTINGS_CHARS;
 164     for(i = 1; i <= SPAMSETTINGS_FLAGS; i = i << 1) {
 165         if(flags & i)
 166             buffer[pos++] = chars[j];
 167         j++;
 168     }
 169     buffer[pos] = '\0';
 170     return buffer;
 171 }
 172
 173 static unsigned int convertNeonSpamSettingsToFlags(char *str) {
 174     unsigned int i = 1, flags = 0;
 175     int j = 0;
 176     char *chars = SPAMSETTINGS_CHARS;
 177     while(*str) {
 178         for(; i <= SPAMSETTINGS_FLAGS; i = i << 1) {
 179             if(*str == chars[j]) {
 180                 flags |= i;
 181                 j++;
 182                 i = i << 1;
 183                 break;
 184             }
 185             j++;
 186         }
 187         str++;
 188     }
 189     return flags;
 190 }
 191
 192 static int loadNeonSpamSettings(struct ChanNode *chan) {
 193     if(chan->spam_settings) return 0;
 194     struct NeonSpamSettings *settings = malloc(sizeof(*settings));
 195     if(!settings) {
 196         perror("malloc() failed");
 197         return 0;
 198     }
 199     MYSQL_RES *res;
 200     MYSQL_ROW row, defaults = NULL;
 201     loadChannelSettings(chan);
 202     printf_mysql_query("SELECT `channel_scanner`, `channel_spam_limit`, `channel_spam_except`, `channel_flood_limit`, `channel_flood_time`, `channel_flood_except`, `channel_join_limit`, `channel_join_time`, `channel_join_except`, `channel_caps_percent`, `channel_caps_except`, `channel_digit_percent`, `channel_digit_except` FROM `channels` WHERE `channel_id` = '%d'", chan->channel_id);
 203     res = mysql_use();
 204     row = mysql_fetch_row(res);
 205     if(!row[0] || !row[1] || !row[2] || !row[3] || !row[4] || !row[5] || !row[6] || !row[7] || !row[8] || !row[9] || !row[10] || !row[11] || !row[12]) {
 206         printf_mysql_query("SELECT `channel_scanner`, `channel_spam_limit`, `channel_spam_except`, `channel_flood_limit`, `channel_flood_time`, `channel_flood_except`, `channel_join_limit`, `channel_join_time`, `channel_join_except`, `channel_caps_percent`, `channel_caps_except`, `channel_digit_percent`, `channel_digit_except` FROM `channels` WHERE `channel_name` = 'defaults'");
 207         res = mysql_use();
 208         defaults = mysql_fetch_row(res);
 209     }
 210     settings->flags = convertNeonSpamSettingsToFlags(row[0] ? row[0] : defaults[0]);
 211     settings->spam_amount = atoi(row[1] ? row[1] : defaults[1]);
 212     settings->exceptlevel[SPAMSETTINGS_SPAMEXCINDEX] = atoi(row[2] ? row[2] : defaults[2]);
 213     settings->sensibility_amount[SPAMSETTINGS_FLOODSENINDEX] = atoi(row[3] ? row[3] : defaults[3]);
 214     settings->sensibility_time[SPAMSETTINGS_FLOODSENINDEX] = atoi(row[4] ? row[4] : defaults[4]);
 215     settings->exceptlevel[SPAMSETTINGS_FLOODEXCINDEX] = atoi(row[5] ? row[5] : defaults[5]);
 216     settings->sensibility_amount[SPAMSETTINGS_JOINSENINDEX] = atoi(row[6] ? row[6] : defaults[6]);
 217     settings->sensibility_time[SPAMSETTINGS_JOINSENINDEX] = atoi(row[7] ? row[7] : defaults[7]);
 218     settings->exceptlevel[SPAMSETTINGS_JOINEXCINDEX] = atoi(row[8] ? row[8] : defaults[8]);
 219     settings->percent[SPAMSETTINGS_CAPSPERCENTINDEX] = atoi(row[9] ? row[9] : defaults[9]);
 220     settings->exceptlevel[SPAMSETTINGS_CAPSEXCINDEX] = atoi(row[10] ? row[10] : defaults[10]);
 221     settings->percent[SPAMSETTINGS_DIGITPERCENTINDEX] = atoi(row[11] ? row[11] : defaults[11]);
 222     settings->exceptlevel[SPAMSETTINGS_DIGITEXCINDEX] = atoi(row[12] ? row[12] : defaults[12]);
 223     settings->join_nodes = NULL;
 224     settings->lastmsg_time = 0;
 225     int i;
 226     for(i = 0; i < BOTNETSCAN_USERS; i++)
 227         settings->botnicks[i] = NULL;
 228     chan->spam_settings = settings;
 229     return 1;
 230 }
 231
 232 void freeNeonSpamSettings(struct NeonSpamSettings *settings) {
 233     struct NeonSpamJoinNode *joinnode, *nextjoinnode;
 234     for(joinnode = settings->join_nodes; joinnode; joinnode = nextjoinnode) {
 235         nextjoinnode = joinnode->next;
 236         freeJoinNode(joinnode);
 237     }
 238     free(settings);
 239 }
 240
 241 static void freeJoinNode(struct NeonSpamJoinNode *joinnode) {
 242     free(joinnode->ident);
 243     free(joinnode->host);
 244     free(joinnode);
 245 }
 246
 247 static struct NeonSpamJoinNode *getNeonSpamJoinNode(struct ChanUser *chanuser) {
 248     struct NeonSpamJoinNode *joinnode, *prevjoinnode = NULL, *nextjoinnode, *result = NULL;
 249     for(joinnode = chanuser->chan->spam_settings->join_nodes; joinnode; joinnode = nextjoinnode) {
 250         nextjoinnode = joinnode->next;
 251         if(!stricmp(joinnode->ident, chanuser->user->ident) && !stricmp(joinnode->host, chanuser->user->host)) {
 252             prevjoinnode = joinnode;
 253             result = joinnode;
 254         } else if(time(0) - joinnode->last_penalty_update > MAX_JOIN_TIME) {
 255             freeJoinNode(joinnode);
 256             if(prevjoinnode)
 257                 prevjoinnode->next = nextjoinnode;
 258             else
 259                 chanuser->chan->spam_settings->join_nodes = nextjoinnode;
 260         } else
 261             prevjoinnode = joinnode;
 262     }
 263     if(result)
 264         return result;
 265     joinnode = malloc(sizeof(*joinnode));
 266     if(!joinnode) {
 267         perror("malloc() failed");
 268         return NULL;
 269     }
 270     joinnode->ident = strdup(chanuser->user->ident);
 271     joinnode->host = strdup(chanuser->user->host);
 272     joinnode->last_penalty_update = time(0);
 273     joinnode->joinpenalty = 0;
 274     joinnode->next = chanuser->chan->spam_settings->join_nodes;
 275     chanuser->chan->spam_settings->join_nodes = joinnode;
 276     return joinnode;
 277 }
 278
 279 static void createSpamNode(struct ChanUser *chanuser) {
 280     struct NeonSpamNode *spamnode = malloc(sizeof(*spamnode));
 281     if(!spamnode) {
 282         perror("malloc() failed");
 283         return;
 284     }
 285     spamnode->lastmsg = 0;
 286     spamnode->spamcount = 0;
 287     spamnode->floodpenalty = 0;
 288     spamnode->last_penalty_update = time(0);
 289     chanuser->spamnode = spamnode;
 290 }
 291
 292 void init_NeonSpam() {
 293
 294     #define USER_COMMAND(NAME,FUNCTION,PARAMCOUNT,PRIVS,FLAGS) register_command(BOTID, NAME, FUNCTION, PARAMCOUNT, PRIVS, 0, FLAGS)
 295     //               NAME              FUNCTION        PARAMS     PRIVS                FLAGS
 296     USER_COMMAND("netinfo",      neonserv_cmd_netinfo,   0, NULL,                   0);
 297     USER_COMMAND("version",      neonserv_cmd_version,   0, NULL,                   0);
 298     USER_COMMAND("set",          neonspam_cmd_set,       0, "#channel_setters",     CMDFLAG_REQUIRE_CHAN | CMDFLAG_REGISTERED_CHAN | CMDFLAG_REQUIRE_AUTH | CMDFLAG_CHECK_AUTH | CMDFLAG_LOG);
 299     #undef USER_COMMAND
 300
 301     #define OPER_COMMAND(NAME,FUNCTION,PARAMCOUNT,GACCESS,FLAGS) register_command(BOTID, NAME, FUNCTION, PARAMCOUNT, NULL, GACCESS, FLAGS)
 302     //            NAME            FUNCTION              PARAMS  ACCS  FLAGS
 303     OPER_COMMAND("register",     neonserv_cmd_register,  1,     200,  CMDFLAG_REQUIRE_AUTH | CMDFLAG_CHECK_AUTH | CMDFLAG_CHAN_PARAM | CMDFLAG_OPLOG);
 304     OPER_COMMAND("unregister",   neonserv_cmd_unregister,1,     200,  CMDFLAG_REQUIRE_AUTH | CMDFLAG_CHECK_AUTH | CMDFLAG_CHAN_PARAM | CMDFLAG_OPLOG);
 305     OPER_COMMAND("bind",         neonserv_cmd_bind,      2,     900,  CMDFLAG_REQUIRE_AUTH | CMDFLAG_CHECK_AUTH | CMDFLAG_OPLOG | CMDFLAG_REQUIRED);
 306     OPER_COMMAND("unbind",       neonserv_cmd_unbind,    1,     900,  CMDFLAG_REQUIRE_AUTH | CMDFLAG_CHECK_AUTH | CMDFLAG_OPLOG | CMDFLAG_REQUIRED);
 307     OPER_COMMAND("csuspend",     neonserv_cmd_csuspend,  1,     100,  CMDFLAG_REQUIRE_AUTH | CMDFLAG_CHECK_AUTH | CMDFLAG_CHAN_PARAM | CMDFLAG_OPLOG);
 308     OPER_COMMAND("cunsuspend",   neonserv_cmd_cunsuspend,1,     100,  CMDFLAG_REQUIRE_AUTH | CMDFLAG_CHECK_AUTH | CMDFLAG_CHAN_PARAM | CMDFLAG_OPLOG);
 309     OPER_COMMAND("say",          neonserv_cmd_say,       2,     600,  CMDFLAG_REQUIRE_AUTH | CMDFLAG_CHECK_AUTH | CMDFLAG_CHAN_PARAM | CMDFLAG_OPLOG);
 310     OPER_COMMAND("emote",        neonserv_cmd_emote,     2,     600,  CMDFLAG_REQUIRE_AUTH | CMDFLAG_CHECK_AUTH | CMDFLAG_CHAN_PARAM | CMDFLAG_OPLOG);
 311     OPER_COMMAND("notice",       neonserv_cmd_notice,    2,     600,  CMDFLAG_REQUIRE_AUTH | CMDFLAG_CHECK_AUTH | CMDFLAG_CHAN_PARAM | CMDFLAG_OPLOG);
 312     OPER_COMMAND("raw",          neonserv_cmd_raw,       1,     800,  CMDFLAG_REQUIRE_AUTH | CMDFLAG_CHECK_AUTH | CMDFLAG_OPLOG);
 313     OPER_COMMAND("god",          neonserv_cmd_god,       0,     1,    CMDFLAG_REQUIRE_AUTH | CMDFLAG_CHECK_AUTH | CMDFLAG_OPLOG);
 314     #undef OPER_COMMAND
 315
 316     start_bots();
 317
 318     //register events
 319     bind_bot_ready(neonspam_bot_ready);
 320     bind_join(neonspam_event_join);
 321     bind_chanmsg(neonspam_event_chanmsg);
 322     bind_privctcp(general_event_privctcp);
 323
 324     set_trigger_callback(BOTID, neonspam_trigger_callback);
 325
 326     register_default_language_table(msgtab);
 327 }
 328
 329 void loop_NeonSpam() {
 330
 331 }
 332
 333 void free_NeonSpam() {
 334
 335 }
 336
 337 #undef BOTID