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Reject empty generation strings.

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Reported by Hanno Böck <hanno@hboeck.de>

Reviewed-by: Rich Salz <rsalz@openssl.org>
This commit is contained in:
Dr. Stephen Henson 2015-04-16 00:21:05 +01:00
parent c4137b5e82
commit 111b60bea0
1 changed files with 4 additions and 2 deletions
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6
crypto/asn1/asn1_gen.c
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@ -167,8 +167,10 @@ static ASN1_TYPE *generate_v3(char *str, X509V3_CTX *cnf, int depth,
asn1_tags.imp_class = -1;
asn1_tags.format = ASN1_GEN_FORMAT_ASCII;
asn1_tags.exp_count = 0;
if (CONF_parse_list(str, ',', 1, asn1_cb, &asn1_tags) != 0)
if (CONF_parse_list(str, ',', 1, asn1_cb, &asn1_tags) != 0) {
*perr = ASN1_R_UNKNOWN_TAG;
return NULL;
}
if ((asn1_tags.utype == V_ASN1_SEQUENCE)
|| (asn1_tags.utype == V_ASN1_SET)) {
@ -298,7 +300,7 @@ static int asn1_cb(const char *elem, int len, void *bitstr)
int tmp_tag, tmp_class;
if (elem == NULL)
return 0;
return -1;
for (i = 0, p = elem; i < len; p++, i++) {
/* Look for the ':' in name value pairs */