More X509_STORE_CTX_set_*() return value checks.

ok beck@ jsing@

1 files changed, 4 insertions, 2 deletions

diff --git a/src/lib/libcrypto/ts/ts_rsp_verify.c b/src/lib/libcrypto/ts/ts_rsp_verify.c
index 204c6a9df8..020658bb02 100644
--- a/src/lib/libcrypto/ts/ts_rsp_verify.c
+++ b/src/lib/libcrypto/ts/ts_rsp_verify.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: ts_rsp_verify.c,v 1.16 2015/07/19 18:25:59 miod Exp $ */
+/* $OpenBSD: ts_rsp_verify.c,v 1.17 2016/11/05 15:19:07 miod Exp $ */
 /* Written by Zoltan Glozik (zglozik@stones.com) for the OpenSSL
  * project 2002.
  */
@@ -244,7 +244,9 @@ TS_verify_cert(X509_STORE *store, STACK_OF(X509) *untrusted, X509 *signer,
                 TSerr(TS_F_TS_VERIFY_CERT, ERR_R_X509_LIB);
                 goto err;
         }
-        X509_STORE_CTX_set_purpose(&cert_ctx, X509_PURPOSE_TIMESTAMP_SIGN);
+        if (X509_STORE_CTX_set_purpose(&cert_ctx,
+            X509_PURPOSE_TIMESTAMP_SIGN) == 0)
+                goto err;
         i = X509_verify_cert(&cert_ctx);
         if (i <= 0) {
                 int j = X509_STORE_CTX_get_error(&cert_ctx);