Merge branch 'master' into SpamServ
[srvx.git] / src / spamserv.c
index e4bcf4bb76161800364b5c785ece033286c91af0..178818395a46ae011fcb9b0c48aac44e4080ce40 100644 (file)
 #define KEY_INFO                     "info"
 #define KEY_EXCEPTLEVEL              "exceptlevel"
 #define KEY_EXPIRY                   "expiry"
+#define KEY_LASTBADWORDID            "last_badword_id"
+#define KEY_BADWORDS                 "badwords"
+
+#define KEY_BADWORD_MASK             "mask"
+#define KEY_BADWORD_TRIGGERED        "count"
+#define KEY_BADWORD_ACTION           "action"
+#define KEY_BADWORDID                "badwordid"
 
 #define KEY_DEBUG_CHANNEL            "debug_channel"
 #define KEY_OPER_CHANNEL            "oper_channel"
@@ -123,6 +130,16 @@ static const struct message_entry msgtab[] = {
     { "SSMSG_STATUS_MEMORY",           "$bMemory Information:$b" },
     { "SSMSG_STATUS_CHANNEL_LIST",     "$bRegistered Channels:$b" },
     { "SSMSG_STATUS_NO_CHANNEL",       "No channels registered." },
+    
+    { "SSMSG_BADWORD_ALREADY_ADDED",   "$b%s$b is already added. (ID: %s)" },
+    { "SSMSG_BADWORD_ADDED",           "added '$b%s$b' to the badword list with ID %s." },
+    { "SSMSG_BADWORD_SET_DONE",        "Done." },
+    { "SSMSG_BADWORD_SET_INVALID",     "Invalid Option for setting %s" },
+    { "SSMSG_BADWORD_SET",             "Settings for BadWord entry $b%s$b" },
+    { "SSMSG_BADWORD_SET_MASK",        "$bMASK$b:   %s" },
+    { "SSMSG_BADWORD_SET_ACTION",      "$bACTION$b: %s" },
+    { "SSMSG_BADWORD_NOT_FOUND",       "badword with ID %s does not exist." },
+    { "SSMSG_BADWORD_REMOVED",         "badword ID $b%s$b has been removed (mask: '%s')" },
        { NULL, NULL }
 };
 
@@ -139,6 +156,7 @@ static const struct message_entry msgtab[] = {
 #define SSMSG_WARNING_2               "You are violating the network rules"
 #define SSMSG_WARNING_RULES           "%s is against the network rules. Read the network rules at %s"
 #define SSMSG_WARNING_RULES_2         "You are violating the network rules. Read the network rules at %s"
+#define SSMSG_BADWORD_DETECTED           "Your message contained a forbidden word."
 #define SSMSG_CHANNEL_REGISTERED      "%s (channel %s) registered by %s."
 #define SSMSG_CHANNEL_UNREGISTERED    "%s (channel %s) unregistered by %s."
 
@@ -672,6 +690,27 @@ spamserv_user_part(struct modeNode *mn, UNUSED_ARG(const char *reason))
        }
 }
 
+static struct badword*
+add_badword(struct chanInfo *cInfo, const char *badword_mask, unsigned int triggered, unsigned int action, const char *id)
+{
+    struct badword *badword;
+
+    badword = calloc(1, sizeof(*badword));
+    if (!badword)
+        return NULL;
+
+    if(!id) {
+        cInfo->last_badword_id++;
+        badword->id = strtab(cInfo->last_badword_id);
+    } else
+        badword->id = strdup(id);
+    badword->badword_mask = strdup(badword_mask);
+    badword->triggered = triggered;
+    badword->action = action;
+    dict_insert(cInfo->badwords, badword->id, badword);
+    return badword;
+}
+
 /***********************************************/
 /*                 Other Stuff                 */
 /***********************************************/
@@ -1146,7 +1185,7 @@ SPAMSERV_FUNC(cmd_unregister)
        
        spamserv_unregister_channel(cInfo);     
 
-       spamserv_oper_message(SSMSG_CHANNEL_UNREGISTERED, channel->name, user->handle_info->handle);
+       spamserv_oper_message(SSMSG_CHANNEL_UNREGISTERED, spamserv->nick, channel->name, user->handle_info->handle);
        ss_reply("SSMSG_UNREG_SUCCESS", channel->name);
 
        return 1;
@@ -1441,6 +1480,272 @@ SPAMSERV_FUNC(opt_exceptlevel)
     return 1;
 }
 
+static SPAMSERV_FUNC(cmd_addbad)
+{
+        struct chanInfo *cInfo = get_chanInfo(channel->name);
+        struct userData *uData;
+
+        if(!cInfo)
+        {
+               ss_reply("SSMSG_NOT_REGISTERED", channel->name);
+               return 0;
+        }
+
+        if(CHECK_SUSPENDED(cInfo))
+        {
+                ss_reply("SSMSG_SUSPENDED", channel->name);
+            return 0;
+        }
+
+        if(!check_user_level(channel,user,lvlSetters,1,0))
+        {
+               ss_reply("SSMSG_NO_ACCESS");
+               return 0;
+        }
+
+        dict_iterator_t it;
+        char *mask = unsplit_string(argv + 1, argc - 1, NULL);
+        for (it = dict_first(cInfo->badwords); it; it = iter_next(it)) {
+                struct badword *badword = iter_data(it);
+                if(match_ircglob(mask,badword->badword_mask)) {
+                        reply("SSMSG_BADWORD_ALREADY_ADDED", mask, badword->id);
+                        return 1;
+                }
+        }
+
+        struct badword *new_badword = add_badword(cInfo, mask, 0, BADACTION_KICK, NULL);
+        for (it = dict_first(cInfo->badwords); it; it = iter_next(it)) {
+                struct badword *badword = iter_data(it);
+                if(match_ircglob(badword->badword_mask, new_badword->badword_mask) && badword != new_badword) {
+                        dict_remove(cInfo->badwords, badword->id);
+                }
+        }
+
+        reply("SSMSG_BADWORD_ADDED", new_badword->badword_mask, new_badword->id);
+        return 1;
+}
+
+static SPAMSERV_FUNC(cmd_delbad)
+{
+        struct chanInfo *cInfo = get_chanInfo(channel->name);
+        struct userData *uData;
+        unsigned int n;
+
+        if(!cInfo)
+        {
+                ss_reply("SSMSG_NOT_REGISTERED", channel->name);
+                return 0;
+        }
+
+        if(CHECK_SUSPENDED(cInfo))
+        {
+                ss_reply("SSMSG_SUSPENDED", channel->name);
+            return 0;
+        }
+
+        if(!check_user_level(channel,user,lvlSetters,1,0))
+        {
+                ss_reply("SSMSG_NO_ACCESS");
+                return 0;
+        }
+
+        for (n=1; n<argc; n++) {
+                struct badword *badword = dict_find(cInfo->badwords, argv[n], NULL);
+                if (!badword) {
+                        reply("SSMSG_BADWORD_NOT_FOUND", argv[n]);
+                        continue;
+                }
+                reply("SSMSG_BADWORD_REMOVED", argv[n], badword->badword_mask);
+                dict_remove(cInfo->badwords, argv[n]);
+        }
+        return 1;
+}
+
+static SPAMSERV_FUNC(cmd_setbad)
+{
+        struct chanInfo *cInfo = get_chanInfo(channel->name);
+        struct userData *uData;
+        struct badword *badword;
+
+        if(!cInfo)
+        {
+                ss_reply("SSMSG_NOT_REGISTERED", channel->name);
+                return 0;
+        }
+
+        if(CHECK_SUSPENDED(cInfo))
+        {
+                ss_reply("SSMSG_SUSPENDED", channel->name);
+                return 0;
+        }
+
+        if(!check_user_level(channel,user,lvlSetters,1,0))
+        {
+                ss_reply("SSMSG_NO_ACCESS");
+                return 0;
+        }
+
+        if ((badword = dict_find(cInfo->badwords, argv[1], NULL))) {
+                if (argc > 3) {
+                        unsigned int ii;
+                        char *setting = argv[2];
+                        char *value = argv[3];
+                        for( ii = 0; setting[ ii ]; ii++)
+                                setting[ ii ] = toupper( setting[ ii ] );
+                        for( ii = 0; value[ ii ]; ii++)
+                                value[ ii ] = toupper( value[ ii ] );
+                        if(!strcmp("MASK",setting)) {
+                                  free(badword->badword_mask);
+                                  badword->badword_mask = strdup(argv[3]);
+                                  badword->triggered = 0;
+                                  reply("SSMSG_BADWORD_SET_DONE");
+                        }
+                        else if(!strcmp("ACTION",setting)) {
+                                 if (!strcmp("1",value) || !strcmp("KICK",value)) {
+                                        badword->action = BADACTION_KICK;
+                                        reply("SSMSG_BADWORD_SET_DONE");
+                                 } else if (!strcmp("2",value) || !strcmp("BAN",value)) {
+                                        badword->action = BADACTION_BAN;
+                                        reply("SSMSG_BADWORD_SET_DONE");
+                                 } else if (!strcmp("3",value) || !strcmp("KILL",value)) {
+                                        badword->action = BADACTION_KILL;
+                                        reply("SSMSG_BADWORD_SET_DONE");
+                                 } else if (!strcmp("4",value) || !strcmp("GLINE",value)) {
+                                        badword->action = BADACTION_GLINE;
+                                        reply("SSMSG_BADWORD_SET_DONE");
+                                 } else {
+                                        reply("SSMSG_BADWORD_SET_INVALID", setting);
+                                 }
+                        } else {
+                                 reply("SSMSG_BADWORD_SETTING_INVALID", setting);
+                        }
+
+                } else {
+                        reply("SSMSG_BADWORD_SET", badword->id);
+                        reply("SSMSG_BADWORD_SET_MASK", badword->badword_mask);
+                        switch(badword->action) {
+                                case BADACTION_KICK:
+                                  reply("SSMSG_BADWORD_SET_ACTION", "KICK");
+                                  break;
+                                case BADACTION_BAN:
+                                  reply("SSMSG_BADWORD_SET_ACTION", "BAN");
+                                  break;
+                                case BADACTION_KILL:
+                                  reply("SSMSG_BADWORD_SET_ACTION", "KILL");
+                                  break;
+                                case BADACTION_GLINE:
+                                  reply("SSMSG_BADWORD_SET_ACTION", "GLINE");
+                                  break;
+                                default:
+                                  reply("SSMSG_BADWORD_SET_ACTION", "*undef*");
+                        }
+                }
+        } else {
+                reply("SSMSG_BADWORD_NOT_FOUND", argv[1]);
+                return 0;
+        }
+        return 1;
+}
+
+int
+ss_badwords_sort(const void *pa, const void *pb)
+{
+        struct badword *a = *(struct badword**)pa;
+        struct badword *b = *(struct badword**)pb;
+
+        return strtoul(a->id, NULL, 0) - strtoul(b->id, NULL, 0);
+}
+
+static SPAMSERV_FUNC(cmd_listbad)
+{
+        struct helpfile_table tbl;
+        struct chanInfo *cInfo = get_chanInfo(channel->name);
+        struct userData *uData;
+        struct badword **badwords;
+        unsigned int count = 0, ii = 0;
+
+        if(!cInfo)
+        {
+            ss_reply("SSMSG_NOT_REGISTERED", channel->name);
+                return 0;
+        }
+
+     if(CHECK_SUSPENDED(cInfo))
+        {
+                ss_reply("SSMSG_SUSPENDED", channel->name);
+                return 0;
+        }
+
+        if(!check_user_level(channel,user,lvlSetters,1,0))
+        {
+                ss_reply("SSMSG_NO_ACCESS");
+                return 0;
+        }
+
+        dict_iterator_t it;
+        for (it = dict_first(cInfo->badwords); it; it = iter_next(it)) {
+                count++;
+        }
+
+        tbl.length = count+1;
+        tbl.width = 4;
+        tbl.flags = 0;
+        tbl.flags = TABLE_NO_FREE;
+        tbl.contents = malloc(tbl.length * sizeof(tbl.contents[0]));
+        tbl.contents[0] = malloc(tbl.width * sizeof(tbl.contents[0][0]));
+        tbl.contents[0][0] = "#";
+        tbl.contents[0][1] = "Badword";
+        tbl.contents[0][2] = "Action";
+        tbl.contents[0][3] = "(Triggered)";
+        if(!count)
+        {
+                table_send(cmd->parent->bot, user->nick, 0, NULL, tbl);
+            reply("MSG_NONE");
+            free(tbl.contents[0]);
+            free(tbl.contents);
+            return 0;
+        }
+        badwords = alloca(count * sizeof(badwords[0]));
+        for (it = dict_first(cInfo->badwords); it; it = iter_next(it)) {
+            struct badword *bw = iter_data(it);
+            badwords[ii++] = bw;
+         }
+
+        qsort(badwords, count, sizeof(badwords[0]), ss_badwords_sort);
+        for (ii = 1; ii <= count; ii++) {
+                struct badword *bw = badwords[ii-1];
+                tbl.contents[ii] = malloc(tbl.width * sizeof(tbl.contents[0][0]));
+                tbl.contents[ii][0] = strdup(bw->id);
+                tbl.contents[ii][1] = strdup(bw->badword_mask);
+                switch(bw->action) {
+                        case BADACTION_KICK:
+                          tbl.contents[ii][2] = "KICK";
+                          break;
+                        case BADACTION_BAN:
+                          tbl.contents[ii][2] = "BAN";
+                          break;
+                        case BADACTION_KILL:
+                          tbl.contents[ii][2] = "KILL";
+                          break;
+                        case BADACTION_GLINE:
+                          tbl.contents[ii][2] = "GLINE";
+                          break;
+                        default:
+                          tbl.contents[ii][2] = "*undef*";
+                }
+                tbl.contents[ii][3] = strtab(bw->triggered);
+        }
+
+        table_send(cmd->parent->bot, user->nick, 0, NULL, tbl);
+        for(ii = 1; ii < tbl.length; ++ii)
+        {
+                free(tbl.contents[ii]);
+        }
+        free(tbl.contents[0]);
+        free(tbl.contents);
+        return 1;
+}
+
 static void 
 to_lower(char *message)
 {
@@ -1592,6 +1897,45 @@ spamserv_punish(struct chanNode *channel, struct userNode *user, time_t expires,
        KickChannelUser(user, channel, spamserv, reason);       
 }
 
+static void
+spamserv_detected_badword(struct userNode *user, struct chanNode *chan, struct badword *badword)
+{
+    char *hostmask;
+    char *reason = SSMSG_BADWORD_DETECTED;
+    char mask[IRC_NTOP_MAX_SIZE+3] = { '*', '@', '\0' };
+    switch(badword->action) {
+        case BADACTION_BAN:
+            hostmask = generate_hostmask(user, GENMASK_STRICT_HOST | GENMASK_ANY_IDENT);
+            sanitize_ircmask(hostmask);
+            if(chan->channel_info) {
+            //registered channel
+            add_channel_ban(chan->channel_info, hostmask, spamserv->nick, now, now, now + spamserv_conf.long_ban_duration, reason);
+            }
+            struct mod_chanmode change;
+            mod_chanmode_init(&change);
+            change.argc = 1;
+            change.args[0].mode = MODE_BAN;
+            change.args[0].u.hostmask = hostmask;
+            mod_chanmode_announce(spamserv, chan, &change);
+            free(hostmask);
+            break;
+        case BADACTION_KICK:
+            if(GetUserMode(chan, user))
+            KickChannelUser(user, chan, spamserv, reason);
+            break;
+        case BADACTION_KILL:
+            DelUser(user, spamserv, 1, reason);
+            break;
+        case BADACTION_GLINE:
+            irc_ntop(mask + 2, sizeof(mask) - 2, &user->ip);
+            gline_add(spamserv->nick, mask, spamserv_conf.gline_duration, reason, now, now, 0, 1);
+            break;
+        default:
+            //error?
+            break;
+    }
+}
+
 void
 spamserv_channel_message(struct chanNode *channel, struct userNode *user, char *text)
 {
@@ -1754,6 +2098,15 @@ spamserv_channel_message(struct chanNode *channel, struct userNode *user, char *
                        }
                }
        }
+    
+    dict_iterator_t it;
+
+       for (it = dict_first(cInfo->badwords); it; it = iter_next(it)) {
+               struct badword *badword = iter_data(it);
+               if(match_ircglob(text, badword->badword_mask)) {
+                       spamserv_detected_badword(user, channel, badword);
+               }
+       }
 
        if(CHECK_ADV(cInfo) && check_advertising(cInfo, text))
        {
@@ -1841,16 +2194,37 @@ spamserv_channel_message(struct chanNode *channel, struct userNode *user, char *
        }
 }
 
+static int
+spamserv_saxdb_read_shitlist(const char *name, void *data, void *extra)
+{
+       struct record_data *rd = data;
+       struct chanInfo *chan = extra;
+       char *badword;
+       char *triggered, *action;
+
+       if (rd->type == RECDB_OBJECT) {
+               dict_t obj = GET_RECORD_OBJECT(rd);
+               /* new style structure */
+               badword = database_get_data(obj, KEY_BADWORD_MASK, RECDB_QSTRING);
+               triggered = database_get_data(obj, KEY_BADWORD_TRIGGERED, RECDB_QSTRING);
+               action = database_get_data(obj, KEY_BADWORD_ACTION, RECDB_QSTRING);
+
+               add_badword(chan, badword, strtoul(triggered, NULL, 0), strtoul(action, NULL, 0), name);
+       }
+       return 0;
+}
+
 static int
 spamserv_saxdb_read(struct dict *database)
 {
        dict_iterator_t it;
+       struct dict *badwords;
        struct record_data *hir;
        struct chanNode *channel;
        struct chanInfo *cInfo;
        struct string_list *strlist;
-       unsigned int flags,exceptlevel;
-       char *str, *info;       
+       unsigned int flags,exceptlevel,badwordid;
+       char *str, *info;
        unsigned long expiry;    
 
        for(it = dict_first(database); it; it = iter_next(it))
@@ -1892,6 +2266,12 @@ spamserv_saxdb_read(struct dict *database)
                                else
                                        cInfo->suspend_expiry = expiry;                 
                 cInfo->exceptlevel=exceptlevel;
+                cInfo->badwords = dict_new();
+                str = database_get_data(hir->d.object, KEY_LASTBADWORDID, RECDB_QSTRING);
+                badwordid = str ? atoi(str) : 0;
+                cInfo->last_badword_id = badwordid;
+                if ((badwords = database_get_data(hir->d.object, KEY_BADWORDS, RECDB_OBJECT)))
+                       dict_foreach(badwords, spamserv_saxdb_read_shitlist, cInfo);
                        }
                }
                else
@@ -1922,8 +2302,21 @@ spamserv_saxdb_write(struct saxdb_context *ctx)
         saxdb_write_int(ctx, KEY_EXCEPTLEVEL, cInfo->exceptlevel);             
 
                if(cInfo->suspend_expiry)
-                       saxdb_write_int(ctx, KEY_EXPIRY, cInfo->suspend_expiry);                
-
+                       saxdb_write_int(ctx, KEY_EXPIRY, cInfo->suspend_expiry);
+
+               saxdb_write_int(ctx, KEY_LASTBADWORDID, cInfo->last_badword_id);
+               saxdb_start_record(ctx, KEY_BADWORDS, 1);
+               dict_iterator_t itbad;
+               for (itbad = dict_first(cInfo->badwords); itbad; itbad = iter_next(itbad)) {
+                       struct badword *badword = iter_data(itbad);
+                       saxdb_start_record(ctx, badword->id, 1);
+                       saxdb_write_string(ctx, KEY_BADWORDID, badword->id);
+                       saxdb_write_string(ctx, KEY_BADWORD_MASK, badword->badword_mask);
+                       saxdb_write_int(ctx, KEY_BADWORD_ACTION, badword->action);
+                       saxdb_write_int(ctx, KEY_BADWORD_TRIGGERED, badword->triggered);
+                       saxdb_end_record(ctx);
+               }
+               saxdb_end_record(ctx);
                saxdb_end_record(ctx);          
        }
        return 0;
@@ -2057,6 +2450,10 @@ init_spamserv(const char *nick)
        modcmd_register(spamserv_module, "ADDEXCEPTION", cmd_addexception, 1, MODCMD_REQUIRE_AUTHED|MODCMD_REQUIRE_CHANNEL, NULL);
        modcmd_register(spamserv_module, "DELEXCEPTION", cmd_delexception, 1, MODCMD_REQUIRE_AUTHED|MODCMD_REQUIRE_CHANNEL, NULL);
        modcmd_register(spamserv_module, "STATUS", cmd_status, 1, 0, NULL);
+    modcmd_register(spamserv_module, "ADDBAD", cmd_addbad, 2, MODCMD_REQUIRE_AUTHED|MODCMD_REQUIRE_CHANNEL, NULL);
+    modcmd_register(spamserv_module, "DELBAD", cmd_delbad, 2, MODCMD_REQUIRE_AUTHED|MODCMD_REQUIRE_CHANNEL, NULL);
+    modcmd_register(spamserv_module, "SETBAD", cmd_setbad, 2, MODCMD_REQUIRE_AUTHED|MODCMD_REQUIRE_CHANNEL, NULL);
+    modcmd_register(spamserv_module, "LISTBAD", cmd_listbad, 1, MODCMD_REQUIRE_AUTHED|MODCMD_REQUIRE_CHANNEL, NULL);
        modcmd_register(spamserv_module, "SET", cmd_set, 1, MODCMD_REQUIRE_AUTHED|MODCMD_REQUIRE_CHANNEL, NULL);
        modcmd_register(spamserv_module, "SET SPAMLIMIT", opt_spamlimit, 1, MODCMD_REQUIRE_AUTHED|MODCMD_REQUIRE_CHANNEL, NULL);
        modcmd_register(spamserv_module, "SET ADVREACTION", opt_advreaction, 1, MODCMD_REQUIRE_AUTHED|MODCMD_REQUIRE_CHANNEL, NULL);