static int asn1_template_ex_i2d(ASN1_VALUE **pval, unsigned char **out,
const ASN1_TEMPLATE *tt, int tag, int iclass)
{
- int i, ret, flags, ttag, tclass, ndef, len;
+ int i, ret, flags, ttag, tclass, ndef;
ASN1_VALUE *tval;
flags = tt->flags;
/* Determine total length of items */
skcontlen = 0;
for (i = 0; i < sk_ASN1_VALUE_num(sk); i++) {
+ int tmplen;
skitem = sk_ASN1_VALUE_value(sk, i);
- len = ASN1_item_ex_i2d(&skitem, NULL, ASN1_ITEM_ptr(tt->item),
- -1, iclass);
- if (len == -1 || (skcontlen > INT_MAX - len))
- return -1;
- if (len == 0 && (tt->flags & ASN1_TFLG_OPTIONAL) == 0) {
- ASN1err(ASN1_F_ASN1_TEMPLATE_EX_I2D,
- ASN1_R_ILLEGAL_ZERO_CONTENT);
+ tmplen = ASN1_item_ex_i2d(&skitem, NULL, ASN1_ITEM_ptr(tt->item),
+ -1, iclass);
+ if (tmplen == -1 || (skcontlen > INT_MAX - tmplen))
return -1;
- }
- skcontlen += len;
+ skcontlen += tmplen;
}
sklen = ASN1_object_size(ndef, skcontlen, sktag);
if (sklen == -1)
i = ASN1_item_ex_i2d(pval, NULL, ASN1_ITEM_ptr(tt->item), -1, iclass);
if (!i)
return 0;
- if (i == 0 && (tt->flags & ASN1_TFLG_OPTIONAL) == 0) {
- ASN1err(ASN1_F_ASN1_TEMPLATE_EX_I2D, ASN1_R_ILLEGAL_ZERO_CONTENT);
- return -1;
- }
/* Find length of EXPLICIT tag */
ret = ASN1_object_size(ndef, i, ttag);
if (out && ret != -1) {
}
/* Either normal or IMPLICIT tagging: combine class and flags */
- len = ASN1_item_ex_i2d(pval, out, ASN1_ITEM_ptr(tt->item),
- ttag, tclass | iclass);
- if (len == 0 && (tt->flags & ASN1_TFLG_OPTIONAL) == 0) {
- ASN1err(ASN1_F_ASN1_TEMPLATE_EX_I2D, ASN1_R_ILLEGAL_ZERO_CONTENT);
- return -1;
- }
- return len;
+ return ASN1_item_ex_i2d(pval, out, ASN1_ITEM_ptr(tt->item),
+ ttag, tclass | iclass);
+
}
/* Temporary structure used to hold DER encoding of items for SET OF */