emehta-contrib/cs_badwords.c

448 lines
11 KiB
C
Raw Normal View History

2012-04-17 20:09:50 +00:00
/*
* Copyright (c) 2005 William Pitcock <nenolod -at- nenolod.net>
* Rights to this code are as documented in doc/LICENSE.
*
*/
#include "atheme.h"
DECLARE_MODULE_V1
(
"contrib/cs_badwords", false, _modinit, _moddeinit,
PACKAGE_STRING,
"Atheme Development Group <http://www.atheme.net>"
);
static void on_channel_message(hook_cmessage_data_t *data);
static void cs_cmd_badwords(sourceinfo_t *si, int parc, char *parv[]);
static void cs_set_cmd_blockbadwords(sourceinfo_t *si, int parc, char *parv[]);
static void write_badword_db(database_handle_t *db);
static void db_h_bw(database_handle_t *db, const char *type);
command_t cs_badwords = { "BADWORDS", N_("Manage the list of channel bad words."), AC_AUTHENTICATED, 4, cs_cmd_badwords, { .path = "contrib/badwords" } };
command_t cs_set_blockbadwords = { "BLOCKBADWORDS", N_("Set whether users can say badwords in channel or not."), AC_NONE, 2, cs_set_cmd_blockbadwords, { .path = "contrib/set_blockbadwords" } };
struct badword_ {
char *badword;
time_t add_ts;
char *creator;
char *channel;
char *action;
mowgli_node_t node;
};
typedef struct badword_ badword_t;
mowgli_patricia_t **cs_set_cmdtree;
void _modinit(module_t *m)
{
MODULE_TRY_REQUEST_SYMBOL(m, cs_set_cmdtree, "chanserv/set_core", "cs_set_cmdtree");
if (!module_find_published("backend/opensex"))
{
slog(LG_INFO, "Module %s requires use of the OpenSEX database backend, refusing to load.", m->name);
m->mflags = MODTYPE_FAIL;
return;
}
hook_add_event("channel_message");
hook_add_channel_message(on_channel_message);
hook_add_db_write(write_badword_db);
db_register_type_handler("BW", db_h_bw);
service_named_bind_command("chanserv", &cs_badwords);
command_add(&cs_set_blockbadwords, *cs_set_cmdtree);
}
void _moddeinit(module_unload_intent_t intent)
{
hook_del_channel_message(on_channel_message);
hook_del_db_write(write_badword_db);
db_unregister_type_handler("BW");
service_named_unbind_command("chanserv", &cs_badwords);
command_delete(&cs_set_blockbadwords, *cs_set_cmdtree);
}
static inline mowgli_list_t *badwords_list_of(mychan_t *mc)
{
mowgli_list_t *l;
return_val_if_fail(mc != NULL, NULL);
l = privatedata_get(mc, "badword:list");
if (l != NULL)
return l;
l = mowgli_list_create();
privatedata_set(mc, "badword:list", l);
return l;
}
static void write_badword_db(database_handle_t *db)
{
mowgli_node_t *n;
mychan_t *mc;
mowgli_patricia_iteration_state_t state;
mowgli_list_t *l;
MOWGLI_PATRICIA_FOREACH(mc, &state, mclist)
{
l = badwords_list_of(mc);
if (l == NULL)
return;
MOWGLI_ITER_FOREACH(n, l->head)
{
badword_t *bw = n->data;
db_start_row(db, "BW");
db_write_word(db, bw->badword);
db_write_time(db, bw->add_ts);
db_write_word(db, bw->creator);
db_write_word(db, bw->channel);
db_write_word(db, bw->action);
db_commit_row(db);
}
}
}
static void db_h_bw(database_handle_t *db, const char *type)
{
mychan_t *mc;
mowgli_patricia_iteration_state_t state;
mowgli_list_t *l;
const char *badword = db_sread_word(db);
time_t add_ts = db_sread_time(db);
const char *creator = db_sread_word(db);
const char *channel = db_sread_word(db);
const char *action = db_sread_word(db);
MOWGLI_PATRICIA_FOREACH(mc, &state, mclist)
{
if (irccasecmp(mc->name, channel))
continue;
l = badwords_list_of(mc);
badword_t *bw = smalloc(sizeof(badword_t));
bw->badword = sstrdup(badword);
bw->add_ts = add_ts;
bw->creator = sstrdup(creator);
bw->channel = sstrdup(channel);
bw->action = sstrdup(action);
mowgli_node_add(bw, &bw->node, l);
}
}
static void on_channel_message(hook_cmessage_data_t *data)
{
badword_t *bw;
mowgli_node_t *n;
mowgli_list_t *l;
mychan_t *mc = MYCHAN_FROM(data->c);
if (mc == NULL)
return;
if (metadata_find(mc, "blockbadwords") == NULL)
return;
l = badwords_list_of(mc);
if (MOWGLI_LIST_LENGTH(l) == 0)
return;
char *kickstring = "Foul language is prohibited here.";
if (data != NULL && data->msg != NULL)
{
MOWGLI_ITER_FOREACH(n, l->head)
{
bw = n->data;
if (!match(bw->badword, data->msg))
{
if (!strcasecmp("KICKBAN", bw->action))
{
char hostbuf[BUFSIZE];
hostbuf[0] = '\0';
mowgli_strlcat(hostbuf, "*!*@", BUFSIZE);
mowgli_strlcat(hostbuf, data->u->vhost, BUFSIZE);
modestack_mode_param(chansvs.nick, data->c, MTYPE_ADD, 'b', hostbuf);
chanban_add(data->c, hostbuf, 'b');
kick(chansvs.me->me, data->c, data->u, kickstring);
return;
}
else if (!strcasecmp("KICK", bw->action))
{
kick(chansvs.me->me, data->c, data->u, kickstring);
return;
}
else if (!strcasecmp("QUIET", bw->action))
{
char hostbuf[BUFSIZE];
hostbuf[0] = '\0';
mowgli_strlcat(hostbuf, "*!*@", BUFSIZE);
mowgli_strlcat(hostbuf, data->u->vhost, BUFSIZE);
modestack_mode_param(chansvs.nick, data->c, MTYPE_ADD, 'q', hostbuf);
chanban_add(data->c, hostbuf, 'q');
return;
}
else if (!strcasecmp("BAN", bw->action))
{
char hostbuf[BUFSIZE];
hostbuf[0] = '\0';
mowgli_strlcat(hostbuf, "*!*@", BUFSIZE);
mowgli_strlcat(hostbuf, data->u->vhost, BUFSIZE);
modestack_mode_param(chansvs.nick, data->c, MTYPE_ADD, 'b', hostbuf);
chanban_add(data->c, hostbuf, 'b');
return;
}
}
}
}
}
/* SET BADWORD */
static void cs_cmd_badwords(sourceinfo_t *si, int parc, char *parv[])
{
char *channel = parv[0];
char *command = parv[1];
char *word = parv[2];
char *action = parv[3];
mychan_t *mc;
mowgli_node_t *n, *tn;
badword_t *bw;
mowgli_list_t *l;
if (!channel || !command)
{
command_fail(si, fault_needmoreparams, STR_INSUFFICIENT_PARAMS, "SET BADWORDS");
command_fail(si, fault_needmoreparams, _("Syntax: BADWORDS <#channel> ADD|DEL|LIST [badword] [action]"));
return;
}
if (!(mc = mychan_find(channel)))
{
command_fail(si, fault_nosuch_target, _("Channel \2%s\2 is not registered."), channel);
return;
}
l = badwords_list_of(mc);
if (!strcasecmp("ADD", command))
{
if (!word || !action)
{
command_fail(si, fault_needmoreparams, STR_INSUFFICIENT_PARAMS, "BADWORDS");
command_fail(si, fault_needmoreparams, _("Syntax: BADWORDS <#channel> ADD <badword> <action>"));
return;
}
if (!chanacs_source_has_flag(mc, si, CA_SET))
{
command_fail(si, fault_noprivs, _("You are not authorized to perform this command."));
return;
}
if(!strcasecmp("KICK", action) || !strcasecmp("KICKBAN", action) || !strcasecmp("BAN", action) || (!strcasecmp("QUIET", action) && ircd != NULL && strchr(ircd->ban_like_modes, 'q')))
{
if (l != NULL)
{
MOWGLI_ITER_FOREACH(n, l->head)
{
bw = n->data;
if (!irccasecmp(bw->badword, word))
{
command_success_nodata(si, _("\2%s\2 has already been entered into the bad word list."), word);
return;
}
}
}
bw = smalloc(sizeof(badword_t));
bw->add_ts = CURRTIME;;
bw->creator = sstrdup(get_source_name(si));
bw->channel = sstrdup(mc->name);
bw->badword = sstrdup(word);
bw->action = sstrdup(action);
mowgli_node_add(bw, &bw->node, l);
command_success_nodata(si, _("You have added \2%s\2 as a bad word."), word);
logcommand(si, CMDLOG_SET, "BADWORDS:ADD: \2%s\2 \2%s\2 \2%s\2", channel, word, action);
}
else
{
command_fail(si, fault_badparams, _("Invalid action given."));
return;
}
}
else if (!strcasecmp("DEL", command))
{
if (!word)
{
command_fail(si, fault_needmoreparams, STR_INSUFFICIENT_PARAMS, "BADWORDS");
command_fail(si, fault_needmoreparams, _("Syntax: BADWORDS <#channel> DEL <badword>"));
return;
}
if (!chanacs_source_has_flag(mc, si, CA_SET))
{
command_fail(si, fault_noprivs, _("You are not authorized to perform this command."));
return;
}
if (l == NULL)
{
command_fail(si, fault_nosuch_target, _("There are no badwords set in this channel."));
return;
}
MOWGLI_ITER_FOREACH_SAFE(n, tn, l->head)
{
bw = n->data;
if (!irccasecmp(bw->badword, word))
{
logcommand(si, CMDLOG_SET, "BADWORDS:DEL: \2%s\2 \2%s\2", mc->name, bw->badword);
command_success_nodata(si, _("Bad word \2%s\2 has been deleted."), bw->badword);
mowgli_node_delete(&bw->node, l);
free(bw->creator);
free(bw->channel);
free(bw->badword);
free(bw->action);
free(bw);
return;
}
}
command_success_nodata(si, _("Word \2%s\2 not found in bad word database."), word);
}
else if (!strcasecmp("LIST", command))
{
char buf[BUFSIZE];
struct tm tm;
if (!chanacs_source_has_flag(mc, si, CA_ACLVIEW))
{
command_fail(si, fault_noprivs, _("You are not authorized to perform this command."));
return;
}
if (l == NULL)
{
command_fail(si, fault_nosuch_target, _("There are no badwords set in this channel."));
return;
}
MOWGLI_ITER_FOREACH(n, l->head)
{
bw = n->data;
tm = *localtime(&bw->add_ts);
strftime(buf, BUFSIZE, TIME_FORMAT, &tm);
command_success_nodata(si, "Word: \2%s\2 Action: \2%s\2 (%s - %s)",
bw->badword, bw->action, bw->creator, buf);
}
command_success_nodata(si, "End of list.");
logcommand(si, CMDLOG_GET, "BADWORDS:LIST");
}
else
{
command_fail(si, fault_needmoreparams, STR_INVALID_PARAMS, "BADWORDS");
command_fail(si, fault_needmoreparams, _("Syntax: BADWORDS <#channel> ADD|DEL|LIST [badword] [action]"));
return;
}
}
static void cs_set_cmd_blockbadwords(sourceinfo_t *si, int parc, char *parv[])
{
mychan_t *mc;
if (!(mc = mychan_find(parv[0])))
{
command_fail(si, fault_nosuch_target, _("Channel \2%s\2 is not registered."), parv[0]);
return;
}
if (!parv[1])
{
command_fail(si, fault_needmoreparams, STR_INSUFFICIENT_PARAMS, "SET BLOCKBADWORDS");
return;
}
if (!chanacs_source_has_flag(mc, si, CA_SET))
{
command_fail(si, fault_noprivs, _("You are not authorized to perform this command."));
return;
}
if (!strcasecmp("ON", parv[1]))
{
metadata_t *md = metadata_find(mc, "blockbadwords");
if (md)
{
command_fail(si, fault_nochange, _("The \2%s\2 flag is already set for channel \2%s\2."), "BLOCKBADWORDS", mc->name);
return;
}
metadata_add(mc, "blockbadwords", "on");
logcommand(si, CMDLOG_SET, "SET:BLOCKBADWORDS:ON: \2%s\2", mc->name);
command_success_nodata(si, _("The \2%s\2 flag has been set for channel \2%s\2."), "BLOCKBADWORDS", mc->name);
return;
}
else if (!strcasecmp("OFF", parv[1]))
{
metadata_t *md = metadata_find(mc, "blockbadwords");
if (!md)
{
command_fail(si, fault_nochange, _("The \2%s\2 flag is not set for channel \2%s\2."), "BLOCKBADWORDS", mc->name);
return;
}
metadata_delete(mc, "blockbadwords");
logcommand(si, CMDLOG_SET, "SET:BLOCKBADWORDS:OFF: \2%s\2", mc->name);
command_success_nodata(si, _("The \2%s\2 flag has been removed for channel \2%s\2."), "BLOCKBADWORDS", mc->name);
return;
}
else
{
command_fail(si, fault_badparams, STR_INVALID_PARAMS, "BLOCKBADWORDS");
return;
}
}
/* vim:cinoptions=>s,e0,n0,f0,{0,}0,^0,=s,ps,t0,c3,+s,(2s,us,)20,*30,gs,hs
* vim:ts=8
* vim:sw=8
* vim:noexpandtab
*/