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In OpenSSL 0.9.7d and earlier, ASN1_STRING_to_UTF8 fails if the input is

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already UTF-8 encoded. We check for this case and copy the raw string manually
to avoid the problem. This code can be made conditional in the future when
OpenSSL has been fixed. Work-around brought by Alexis S. L. Carvalho.
This commit is contained in:
Daniel Stenberg 2004-08-10 08:06:43 +00:00
parent 9dbd6659dc
commit 4934e6471b
1 changed files with 19 additions and 3 deletions
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22
lib/ssluse.c
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@ -921,9 +921,25 @@ static CURLcode verifyhost(struct connectdata *conn,
UTF8 etc. */
if (i>=0) {
j = ASN1_STRING_to_UTF8(&peer_CN,
X509_NAME_ENTRY_get_data(
X509_NAME_get_entry(name,i)));
ASN1_STRING *tmp = X509_NAME_ENTRY_get_data(X509_NAME_get_entry(name,i));
/* In OpenSSL 0.9.7d and earlier, ASN1_STRING_to_UTF8 fails if the input
is already UTF-8 encoded. We check for this case and copy the raw
string manually to avoid the problem. This code can be made
conditional in the future when OpenSSL has been fixed. Work-around
brought by Alexis S. L. Carvalho. */
if (tmp && ASN1_STRING_type(tmp) == V_ASN1_UTF8STRING) {
j = ASN1_STRING_length(tmp);
if (j >= 0) {
peer_CN = OPENSSL_malloc(j+1);
if (peer_CN) {
memcpy(peer_CN, ASN1_STRING_data(tmp), j);
peer_CN[j] = '\0';
}
}
}
else /* not a UTF8 name */
j = ASN1_STRING_to_UTF8(&peer_CN, tmp);
}
if (peer_CN == nulstr)