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Fix omitted selector handling. 

The selector field could be omitted because it has a DEFAULT value.
In this case *sfld == NULL (sfld can never be NULL). This was not
noticed because this was never used in existing ASN.1 modules.

Reviewed-by: Rich Salz <rsalz@openssl.org>
This commit is contained in:
Dr. Stephen Henson 2016-06-14 17:44:22 +01:00
parent 2dca984bab
commit 7c46746bf2
1 changed files with 1 additions and 1 deletions
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2
crypto/asn1/tasn_utl.c
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@ -189,7 +189,7 @@ const ASN1_TEMPLATE *asn1_do_adb(ASN1_VALUE **pval, const ASN1_TEMPLATE *tt,
sfld = offset2ptr(*pval, adb->offset); sfld = offset2ptr(*pval, adb->offset);
/* Check if NULL */ /* Check if NULL */
if (!sfld) { if (*sfld == NULL) {
if (!adb->null_tt) if (!adb->null_tt)
goto err; goto err;
return adb->null_tt; return adb->null_tt;