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/*
* This program is is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or (at
* your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
/**
* $Id$
* @file rlm_utf8.c
* @brief Enforce UTF8 encoding in strings.
*
* @copyright 2000,2006 The FreeRADIUS server project
*/
RCSID("$Id$")
#include <freeradius-devel/radiusd.h>
#include <freeradius-devel/modules.h>
/*
* Reject any non-UTF8 data.
*/
static rlm_rcode_t CC_HINT(nonnull) mod_utf8_clean(UNUSED void *instance, REQUEST *request)
{
size_t i, len;
VALUE_PAIR *vp;
vp_cursor_t cursor;
for (vp = fr_cursor_init(&cursor, &request->packet->vps);
vp;
vp = fr_cursor_next(&cursor)) {
if (vp->da->type != PW_TYPE_STRING) continue;
for (i = 0; i < vp->vp_length; i += len) {
len = fr_utf8_char(&vp->vp_octets[i], -1);
if (len == 0) return RLM_MODULE_FAIL;
}
}
return RLM_MODULE_NOOP;
}
/*
* The module name should be the only globally exported symbol.
* That is, everything else should be 'static'.
*
* If the module needs to temporarily modify it's instantiation
* data, the type should be changed to RLM_TYPE_THREAD_UNSAFE.
* The server will then take care of ensuring that the module
* is single-threaded.
*/
extern module_t rlm_utf8;
module_t rlm_utf8 = {
.magic = RLM_MODULE_INIT,
.name = "utf8",
.type = RLM_TYPE_THREAD_SAFE,
.methods = {
[MOD_AUTHORIZE] = mod_utf8_clean,
[MOD_PREACCT] = mod_utf8_clean,
#ifdef WITH_COA
[MOD_RECV_COA] = mod_utf8_clean
#endif
},
};
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