Add ns_goodmail for whitelist NickServ emails

This adds support for whitelisting email domains allowed to register
nicks with NickServ.  It is the opposite of the included badmail module.
This commit is contained in:
Brandon Turner 2013-08-26 14:08:18 -05:00
parent f7ae6ad9cc
commit 4753339580
2 changed files with 242 additions and 0 deletions

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@ -164,6 +164,12 @@ encrypted and you want to set SOPER passwords.
Generates a random password. Generates a random password.
#### ns_goodmail.c
Maintains a whitelist of email domains that are allowed to
register NickServ nicks. This allows you to say only
\*@example.com email address can register nicks.
#### ns_guestnoreg.c #### ns_guestnoreg.c
Disallows the registration of nicks beginning with a string Disallows the registration of nicks beginning with a string

236
ns_goodmail.c Normal file
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@ -0,0 +1,236 @@
/*
* Copyright (c) 2013 Brandon Turner
* Rights to this code are as documented in doc/LICENSE.
*
* Restrict registration to certain email addresses.
*
*/
#include "atheme.h"
DECLARE_MODULE_V1
(
"contrib/ns_goodmail", false, _modinit, _moddeinit,
PACKAGE_STRING,
"Atheme Development Group <http://www.atheme.net>"
);
static void check_registration(hook_user_register_check_t *hdata);
static void ns_cmd_goodmail(sourceinfo_t *si, int parc, char *parv[]);
static void write_bedb(database_handle_t *db);
static void db_h_be(database_handle_t *db, const char *type);
command_t ns_goodmail = { "GOODMAIL", N_("Restrict registration to certain email addresses."), PRIV_USER_ADMIN, 3, ns_cmd_goodmail, { .path = "contrib/ns_goodmail" } };
struct goodmail_ {
char *mail;
time_t mail_ts;
char *creator;
char *reason;
};
typedef struct goodmail_ goodmail_t;
mowgli_list_t ns_maillist;
void _modinit(module_t *m)
{
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("user_can_register");
hook_add_user_can_register(check_registration);
hook_add_db_write(write_bedb);
db_register_type_handler("BE", db_h_be);
service_named_bind_command("nickserv", &ns_goodmail);
}
void _moddeinit(module_unload_intent_t intent)
{
hook_del_user_can_register(check_registration);
hook_del_db_write(write_bedb);
db_unregister_type_handler("BE");
service_named_unbind_command("nickserv", &ns_goodmail);
}
static void write_bedb(database_handle_t *db)
{
mowgli_node_t *n;
MOWGLI_ITER_FOREACH(n, ns_maillist.head)
{
goodmail_t *l = n->data;
db_start_row(db, "BE");
db_write_word(db, l->mail);
db_write_time(db, l->mail_ts);
db_write_word(db, l->creator);
db_write_str(db, l->reason);
db_commit_row(db);
}
}
static void db_h_be(database_handle_t *db, const char *type)
{
const char *mail = db_sread_word(db);
time_t mail_ts = db_sread_time(db);
const char *creator = db_sread_word(db);
const char *reason = db_sread_str(db);
goodmail_t *l = smalloc(sizeof(goodmail_t));
l->mail = sstrdup(mail);
l->mail_ts = mail_ts;
l->creator = sstrdup(creator);
l->reason = sstrdup(reason);
mowgli_node_add(l, mowgli_node_create(), &ns_maillist);
}
static void check_registration(hook_user_register_check_t *hdata)
{
mowgli_node_t *n;
goodmail_t *l;
if (hdata->approved)
return;
MOWGLI_ITER_FOREACH(n, ns_maillist.head)
{
l = n->data;
if (!match(l->mail, hdata->email))
{
return;
}
}
command_fail(hdata->si, fault_noprivs, "Sorry, we do not accept registrations with email addresses from that domain. Use another address.");
hdata->approved = 1;
slog(LG_INFO, "REGISTER:GOODMAIL: %s to \2%s\2 by \2%s\2",
hdata->account, hdata->email,
hdata->si->su != NULL ? hdata->si->su->nick : get_source_name(hdata->si));
}
static void ns_cmd_goodmail(sourceinfo_t *si, int parc, char *parv[])
{
char *action = parv[0];
char *email = parv[1];
char *reason = parv[2];
mowgli_node_t *n, *tn;
goodmail_t *l;
if (!action)
{
command_fail(si, fault_needmoreparams, STR_INSUFFICIENT_PARAMS, "goodmail");
command_fail(si, fault_needmoreparams, _("Syntax: goodmail ADD|DEL|LIST [parameters]"));
return;
}
if (!strcasecmp("ADD", action))
{
if (!email || !reason)
{
command_fail(si, fault_needmoreparams, STR_INSUFFICIENT_PARAMS, "goodmail");
command_fail(si, fault_needmoreparams, _("Syntax: goodmail ADD <email> <reason>"));
return;
}
if (si->smu == NULL)
{
command_fail(si, fault_noprivs, _("You are not logged in."));
return;
}
/* search for it */
MOWGLI_ITER_FOREACH(n, ns_maillist.head)
{
l = n->data;
if (!irccasecmp(l->mail, email))
{
command_success_nodata(si, _("Email \2%s\2 has already been whitelisted."), email);
return;
}
}
l = smalloc(sizeof(goodmail_t));
l->mail = sstrdup(email);
l->mail_ts = CURRTIME;;
l->creator = sstrdup(get_source_name(si));
l->reason = sstrdup(reason);
logcommand(si, CMDLOG_ADMIN, "goodmail:ADD: \2%s\2 (Reason: \2%s\2)", email, reason);
n = mowgli_node_create();
mowgli_node_add(l, n, &ns_maillist);
command_success_nodata(si, _("You have whitelisted email address \2%s\2."), email);
return;
}
else if (!strcasecmp("DEL", action))
{
if (!email)
{
command_fail(si, fault_needmoreparams, STR_INSUFFICIENT_PARAMS, "goodmail");
command_fail(si, fault_needmoreparams, _("Syntax: goodmail DEL <email>"));
return;
}
MOWGLI_ITER_FOREACH_SAFE(n, tn, ns_maillist.head)
{
l = n->data;
if (!irccasecmp(l->mail, email))
{
logcommand(si, CMDLOG_ADMIN, "goodmail:DEL: \2%s\2", l->mail);
mowgli_node_delete(n, &ns_maillist);
free(l->mail);
free(l->creator);
free(l->reason);
free(l);
return;
}
}
command_success_nodata(si, _("Email pattern \2%s\2 not found in goodmail database."), email);
return;
}
else if (!strcasecmp("LIST", action))
{
char buf[BUFSIZE];
struct tm tm;
MOWGLI_ITER_FOREACH(n, ns_maillist.head)
{
l = n->data;
tm = *localtime(&l->mail_ts);
strftime(buf, BUFSIZE, TIME_FORMAT, &tm);
command_success_nodata(si, "Email: \2%s\2, Reason: \2%s\2 (%s - %s)",
l->mail, l->reason, l->creator, buf);
}
command_success_nodata(si, "End of list.");
logcommand(si, CMDLOG_GET, "goodmail:LIST");
return;
}
else
{
command_fail(si, fault_badparams, STR_INVALID_PARAMS, "goodmail");
return;
}
}
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