1 files changed, 73 insertions, 0 deletions
diff --git a/src/modules/rlm_utf8/rlm_utf8.c b/src/modules/rlm_utf8/rlm_utf8.c
new file mode 100644
index 0000000..d2031c6
--- /dev/null
+++ b/src/modules/rlm_utf8/rlm_utf8.c
@@ -0,0 +1,73 @@
+/*
+ *   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
+	},
+};