static int asn1_d2i_ex_primitive(ASN1_VALUE **pval, unsigned char **in, long len,
const ASN1_ITEM *it, int tag, int aclass, char opt, ASN1_TLC *ctx);
+/* Table to convert tags to bit values, used for MSTRING type */
+static unsigned long tag2bit[32]={
+0, 0, 0, B_ASN1_BIT_STRING, /* tags 0 - 3 */
+B_ASN1_OCTET_STRING, 0, 0, B_ASN1_UNKNOWN,/* tags 4- 7 */
+B_ASN1_UNKNOWN, B_ASN1_UNKNOWN, B_ASN1_UNKNOWN, B_ASN1_UNKNOWN,/* tags 8-11 */
+B_ASN1_UTF8STRING,B_ASN1_UNKNOWN,B_ASN1_UNKNOWN,B_ASN1_UNKNOWN,/* tags 12-15 */
+0, 0, B_ASN1_NUMERICSTRING,B_ASN1_PRINTABLESTRING, /* tags 16-19 */
+B_ASN1_T61STRING,B_ASN1_VIDEOTEXSTRING,B_ASN1_IA5STRING, /* tags 20-22 */
+B_ASN1_UTCTIME, B_ASN1_GENERALIZEDTIME, /* tags 23-24 */
+B_ASN1_GRAPHICSTRING,B_ASN1_ISO64STRING,B_ASN1_GENERALSTRING, /* tags 25-27 */
+B_ASN1_UNIVERSALSTRING,B_ASN1_UNKNOWN,B_ASN1_BMPSTRING,B_ASN1_UNKNOWN, /* tags 28-31 */
+ };
+
+unsigned long ASN1_tag2bit(int tag)
+{
+ if((tag < 0) || (tag > 30)) return 0;
+ return tag2bit[tag];
+}
+
/* Macro to initialize and invalidate the cache */
#define asn1_tlc_clear(c) if(c) (c)->valid = 0
/* Allocate structure */
if(!*pval) {
if(!ASN1_item_ex_new(pval, it)) {
- errtt = tt;
ASN1err(ASN1_F_ASN1_ITEM_EX_D2I, ERR_R_NESTED_ASN1_ERROR);
goto err;
}
goto auxerr;
return 1;
+ case ASN1_ITYPE_NDEF_SEQUENCE:
case ASN1_ITYPE_SEQUENCE:
p = *in;
tmplen = len;
* rest.
*/
-int asn1_template_ex_d2i(ASN1_VALUE **val, unsigned char **in, long inlen, const ASN1_TEMPLATE *tt, char opt, ASN1_TLC *ctx)
+static int asn1_template_ex_d2i(ASN1_VALUE **val, unsigned char **in, long inlen, const ASN1_TEMPLATE *tt, char opt, ASN1_TLC *ctx)
{
int flags, aclass;
int ret;
} else if(ret == -1) return -1;
/* SEQUENCE, SET and "OTHER" are left in encoded form */
if((utype == V_ASN1_SEQUENCE) || (utype == V_ASN1_SET) || (utype == V_ASN1_OTHER)) {
+ /* Clear context cache for type OTHER because the auto clear when
+ * we have a exact match wont work
+ */
+ if(utype == V_ASN1_OTHER) {
+ asn1_tlc_clear(ctx);
/* SEQUENCE and SET must be constructed */
- if((utype != V_ASN1_OTHER) && !cst) {
+ } else if(!cst) {
ASN1err(ASN1_F_ASN1_D2I_EX_PRIMITIVE, ASN1_R_TYPE_NOT_CONSTRUCTED);
return 0;
}
ctx->ptag = ptag;
ctx->hdrlen = p - q;
ctx->valid = 1;
- /* If definite length, length + header can't exceed total
- * amount of data available.
+ /* If definite length, and no error, length +
+ * header can't exceed total amount of data available.
*/
- if(!(i & 1) && ((plen + ctx->hdrlen) > len)) {
+ if(!(i & 0x81) && ((plen + ctx->hdrlen) > len)) {
ASN1err(ASN1_F_ASN1_CHECK_TLEN, ASN1_R_TOO_LONG);
asn1_tlc_clear(ctx);
return 0;
}
}
}
-
+
if(i & 0x80) {
ASN1err(ASN1_F_ASN1_CHECK_TLEN, ASN1_R_BAD_OBJECT_HEADER);
asn1_tlc_clear(ctx);