1 files changed, 73 insertions, 0 deletions
diff --git a/src/VisibleString.c b/src/VisibleString.c
new file mode 100644
index 0000000..8796582
--- /dev/null
+++ b/src/VisibleString.c
@@ -0,0 +1,73 @@
+/*-
+ * Copyright (c) 2003 Lev Walkin <vlm@lionet.info>. All rights reserved.
+ * Redistribution and modifications are permitted subject to BSD license.
+ */
+#include <asn_internal.h>
+#include <VisibleString.h>
+
+/*
+ * VisibleString basic type description.
+ */
+static ber_tlv_tag_t asn_DEF_VisibleString_tags[] = {
+	(ASN_TAG_CLASS_UNIVERSAL | (26 << 2)),	/* [UNIVERSAL 26] IMPLICIT ...*/
+	(ASN_TAG_CLASS_UNIVERSAL | (4 << 2))	/* ... OCTET STRING */
+};
+asn_TYPE_descriptor_t asn_DEF_VisibleString = {
+	"VisibleString",
+	"VisibleString",
+	OCTET_STRING_free,
+	OCTET_STRING_print_utf8,   /* ASCII subset */
+	VisibleString_constraint,
+	OCTET_STRING_decode_ber,    /* Implemented in terms of OCTET STRING */
+	OCTET_STRING_encode_der,
+	OCTET_STRING_decode_xer_utf8,
+	OCTET_STRING_encode_xer_utf8,
+	0, 0,
+	0, /* Use generic outmost tag fetcher */
+	asn_DEF_VisibleString_tags,
+	sizeof(asn_DEF_VisibleString_tags)
+	  / sizeof(asn_DEF_VisibleString_tags[0]) - 1,
+	asn_DEF_VisibleString_tags,
+	sizeof(asn_DEF_VisibleString_tags)
+	  / sizeof(asn_DEF_VisibleString_tags[0]),
+	0,	/* No PER visible constraints */
+	0, 0,	/* No members */
+	0	/* No specifics */
+};
+
+int
+VisibleString_constraint(asn_TYPE_descriptor_t *td, const void *sptr,
+		asn_app_constraint_failed_f *ctfailcb, void *app_key) {
+	const VisibleString_t *st = (const VisibleString_t *)sptr;
+
+	if(st && st->buf) {
+		uint8_t *buf = st->buf;
+		uint8_t *end = buf + st->size;
+
+		/*
+		 * Check the alphabet of the VisibleString.
+		 * ISO646, ISOReg#6
+		 * The alphabet is a subset of ASCII between the space
+		 * and "~" (tilde).
+		 */
+		for(; buf < end; buf++) {
+			if(*buf < 0x20 || *buf > 0x7e) {
+				_ASN_CTFAIL(app_key, td,
+					"%s: value byte %ld (%d) "
+					"not in VisibleString alphabet (%s:%d)",
+					td->name,
+					(long)((buf - st->buf) + 1),
+					*buf,
+					__FILE__, __LINE__);
+				return -1;
+			}
+		}
+	} else {
+		_ASN_CTFAIL(app_key, td,
+			"%s: value not given (%s:%d)",
+			td->name, __FILE__, __LINE__);
+		return -1;
+	}
+
+	return 0;
+}