114 lines
2.4 KiB
C
114 lines
2.4 KiB
C
/*
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* Copyright (c) 2011 William Pitcock <nenolod@dereferenced.org>
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* Rights to this code are as documented in doc/LICENSE.
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*
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* Clean obnoxious nicknames, such as LaMENiCK -> lamenick.
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*/
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#include "atheme-compat.h"
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DECLARE_MODULE_V1
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(
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"contrib/ns_cleannick", false, _modinit, _moddeinit,
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PACKAGE_STRING,
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"Atheme Development Group <http://www.atheme.org>"
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);
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#define LAMENESS_WEIGHT 0.35f
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/*
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* Determine if a nickname is lame. Non-alphabetical characters
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* are penalized twice, uppercase characters are penalized once.
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*/
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static bool is_nickname_lame(const char *nickname)
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{
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const char *p;
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unsigned int capcount = 0;
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float score;
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return_val_if_fail(nickname != NULL, false);
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for (p = nickname; *p != '\0'; p++)
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{
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if (IsUpper(*p))
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capcount++;
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#ifdef NOTYET
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if (!IsAlpha(*p))
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capcount += 2;
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#endif
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}
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score = (float) capcount / (float) strlen(nickname);
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slog(LG_DEBUG, "is_nickname_lame(%s): score %0.3f %d/%zu caps", nickname, score, capcount, strlen(nickname));
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if (score > LAMENESS_WEIGHT)
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return true;
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return false;
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}
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/*
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* Sanitize a nickname and then change it to the sanitized version forcefully.
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*/
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static void clean_nickname(user_t *u)
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{
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char nickbuf[NICKLEN];
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char *p;
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return_if_fail(u != NULL);
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mowgli_strlcpy(nickbuf, u->nick, NICKLEN);
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p = nickbuf;
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while (*p++)
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{
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if (IsUpper(*p))
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*p = ToLower(*p);
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}
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if (is_nickname_lame(nickbuf))
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{
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slog(LG_DEBUG, "clean_nickname(%s): cleaned nickname %s is still lame", u->nick, nickbuf);
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return;
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}
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notice(nicksvs.nick, u->nick, "Your nick has been changed to \2%s\2 per %s nickname quality guidelines.",
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nickbuf, me.netname);
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fnc_sts(nicksvs.me->me, u, nickbuf, FNC_FORCE);
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}
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static void user_state_changed(hook_user_nick_t *data)
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{
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return_if_fail(data != NULL);
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return_if_fail(data->u != NULL);
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if (!is_internal_client(data->u) && is_nickname_lame(data->u->nick))
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{
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#ifdef TAUNT_LAME_USERS
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if (data->oldnick != NULL && !is_nickname_lame(data->oldnick))
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notice(nicksvs.nick, data->u->nick, "\2%s\2 was much less lame, \2%s\2.",
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data->oldnick, data->u->nick);
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#endif
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clean_nickname(data->u);
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}
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}
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void _modinit(module_t *m)
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{
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hook_add_event("user_add");
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hook_add_user_add(user_state_changed);
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hook_add_event("user_nickchange");
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hook_add_user_nickchange(user_state_changed);
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}
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void _moddeinit(module_unload_intent_t intent)
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{
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hook_del_user_add(user_state_changed);
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hook_del_user_nickchange(user_state_changed);
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}
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