emehta-contrib/gen_vhostonreg.c

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2012-04-17 20:09:50 +00:00
/*
* Copyright (c) 2005-2006 William Pitcock, et al.
* Rights to this code are as documented in doc/LICENSE.
*
* Sets usercloak metadata on register.
*
*/
#include "atheme-compat.h"
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DECLARE_MODULE_V1
(
"contrib/gen_vhostonreg", false, _modinit, _moddeinit,
"$Revision: 7785 $",
"Atheme Development Group <http://www.atheme.org>"
);
/* allow us-ascii letters, digits and the following characters */
#define VALID_SPECIALS "-"
static int counter;
static void handle_verify_register(hook_user_req_t *req);
static void hook_user_identify(user_t *u);
void _modinit(module_t *m)
{
hook_add_event("user_verify_register");
hook_add_user_verify_register(handle_verify_register);
hook_add_event("user_identify");
hook_add_user_identify(hook_user_identify);
counter = (CURRTIME << 8) % 100000;
if (counter < 0)
counter += 100000;
}
void _moddeinit(module_unload_intent_t intent)
{
hook_del_user_verify_register(handle_verify_register);
hook_del_user_identify(hook_user_identify);
}
static void user_add_host(myuser_t *mu)
{
int maxlen1, i;
char newhost[HOSTLEN];
const char *p;
bool invalidchar = false;
maxlen1 = HOSTLEN - 2 - strlen(me.hidehostsuffix);
if (maxlen1 < 9)
return;
p = entity(mu)->name;
i = 0;
while (i < maxlen1 && *p != '\0')
{
if (isalnum(*p) || strchr(VALID_SPECIALS, *p))
newhost[i++] = *p;
else
invalidchar = true;
p++;
}
if (invalidchar || *p != '\0')
{
if (i > maxlen1 - 6)
i = maxlen1 - 6;
snprintf(newhost + i, sizeof newhost - i, "-%05d", counter);
counter++;
if (counter >= 100000)
counter = 0;
if (nicksvs.me != NULL)
{
myuser_notice(nicksvs.nick, mu, "Your account name cannot be used in a vhost directly. To ensure uniqueness, a number was added.");
myuser_notice(nicksvs.nick, mu, "To avoid this, register an account name containing only letters, digits and %s.", VALID_SPECIALS);
if (!nicksvs.no_nick_ownership && command_find(nicksvs.me->commands, "GROUP"))
myuser_notice(nicksvs.nick, mu, "If you drop %s you can group it to your new account.", entity(mu)->name);
}
}
else
newhost[i] = '\0';
mowgli_strlcat(newhost, ".", sizeof newhost);
mowgli_strlcat(newhost, me.hidehostsuffix, sizeof newhost);
metadata_add(mu, "private:usercloak", newhost);
}
static void handle_verify_register(hook_user_req_t *req)
{
myuser_t *mu = req->mu;
mowgli_node_t *n;
user_t *u;
if (me.hidehostsuffix == NULL)
return;
user_add_host(mu);
MOWGLI_ITER_FOREACH(n, mu->logins.head)
{
u = n->data;
hook_call_user_identify(u); /* XXX */
}
}
static void hook_user_identify(user_t *u)
{
/* if they have an existing cloak, don't do anything */
if ((metadata_find(u->myuser, "private:usercloak")) || (me.hidehostsuffix == NULL))
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return;
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/* they do not, add one. */
user_add_host(u->myuser);
}
/* 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
*/