MFC: r261037, r264278

Merge OpenSSL 1.0.1f and 1.0.1g.

1 files changed, 13 insertions, 3 deletions

diff --git a/crypto/openssl/crypto/x509/x509_vfy.c b/crypto/openssl/crypto/x509/x509_vfy.c
index 12d71f5..920066a 100644
--- a/crypto/openssl/crypto/x509/x509_vfy.c
+++ b/crypto/openssl/crypto/x509/x509_vfy.c
@@ -694,6 +694,7 @@ static int check_cert(X509_STORE_CTX *ctx)
 	X509_CRL *crl = NULL, *dcrl = NULL;
 	X509 *x;
 	int ok, cnum;
+	unsigned int last_reasons;
 	cnum = ctx->error_depth;
 	x = sk_X509_value(ctx->chain, cnum);
 	ctx->current_cert = x;
@@ -702,6 +703,7 @@ static int check_cert(X509_STORE_CTX *ctx)
 	ctx->current_reasons = 0;
 	while (ctx->current_reasons != CRLDP_ALL_REASONS)
 		{
+		last_reasons = ctx->current_reasons;
 		/* Try to retrieve relevant CRL */
 		if (ctx->get_crl)
 			ok = ctx->get_crl(ctx, &crl, x);
@@ -745,6 +747,15 @@ static int check_cert(X509_STORE_CTX *ctx)
 		X509_CRL_free(dcrl);
 		crl = NULL;
 		dcrl = NULL;
+		/* If reasons not updated we wont get anywhere by
+		 * another iteration, so exit loop.
+		 */
+		if (last_reasons == ctx->current_reasons)
+			{
+			ctx->error = X509_V_ERR_UNABLE_TO_GET_CRL;
+			ok = ctx->verify_cb(0, ctx);
+			goto err;
+			}
 		}
 	err:
 	X509_CRL_free(crl);
@@ -1451,10 +1462,9 @@ static int cert_crl(X509_STORE_CTX *ctx, X509_CRL *crl, X509 *x)
 	 * a certificate was revoked. This has since been changed since 
 	 * critical extension can change the meaning of CRL entries.
 	 */
-	if (crl->flags & EXFLAG_CRITICAL)
+	if (!(ctx->param->flags & X509_V_FLAG_IGNORE_CRITICAL)
+		&& (crl->flags & EXFLAG_CRITICAL))
 		{
-		if (ctx->param->flags & X509_V_FLAG_IGNORE_CRITICAL)
-			return 1;
 		ctx->error = X509_V_ERR_UNHANDLED_CRITICAL_CRL_EXTENSION;
 		ok = ctx->verify_cb(0, ctx);
 		if(!ok)