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Unfortunately, if a ca file name is set the function fails for whatever reason 

(missing file, bad file, etc), gnutls will no longer handshake properly but it
just loops forever. Therefore, we must return error if we get an error when
setting the CA cert file name. This is not the same behaviour as with OpenSSL.

Question/report posted to the help-gnutls mailing list, April 8 2005.
This commit is contained in:
Daniel Stenberg 2005-04-07 22:47:43 +00:00
parent bec6423c02
commit b9f1d43921
1 changed files with 24 additions and 6 deletions
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30
lib/gtls.c
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@ -135,10 +135,26 @@ Curl_gtls_connect(struct connectdata *conn,
return CURLE_SSL_CONNECT_ERROR;
}
/* set the trusted CA cert bundle file */
rc = gnutls_certificate_set_x509_trust_file(conn->ssl[sockindex].cred,
data->set.ssl.CAfile,
GNUTLS_X509_FMT_PEM);
if(data->set.ssl.CAfile) {
/* set the trusted CA cert bundle file */
/*
* Unfortunately, if a file name is set here and this function fails for
* whatever reason (missing file, bad file, etc), gnutls will no longer
* handshake properly but it just loops forever. Therefore, we must return
* error here if we get an error when setting the CA cert file name.
*
* (Question/report posted to the help-gnutls mailing list, April 8 2005)
*/
rc = gnutls_certificate_set_x509_trust_file(conn->ssl[sockindex].cred,
data->set.ssl.CAfile,
GNUTLS_X509_FMT_PEM);
if(rc) {
failf(data, "error reading the ca cert file %s",
data->set.ssl.CAfile);
return CURLE_SSL_CACERT;
}
}
/* Initialize TLS session as a client */
rc = gnutls_init(&conn->ssl[sockindex].session, GNUTLS_CLIENT);
@ -404,8 +420,10 @@ void Curl_gtls_close_all(struct SessionHandle *data)
static void close_one(struct connectdata *conn,
int index)
{
gnutls_bye(conn->ssl[index].session, GNUTLS_SHUT_RDWR);
gnutls_deinit(conn->ssl[index].session);
if(conn->ssl[index].session) {
gnutls_bye(conn->ssl[index].session, GNUTLS_SHUT_RDWR);
gnutls_deinit(conn->ssl[index].session);
}
gnutls_certificate_free_credentials(conn->ssl[index].cred);
}