X-Git-Url: https://git.openssl.org/gitweb/?p=openssl.git;a=blobdiff_plain;f=ssl%2Fstatem%2Fstatem_lib.c;h=75cf321b9868a7807766aea98a72625033f82c98;hp=e6e61f787686d188fc065a08dd6b62e78bfbe108;hb=e45620140fce22c3251440063bc17440289d730c;hpb=828b52951cf182d5f9cf159804419230b27840c9

diff --git a/ssl/statem/statem_lib.c b/ssl/statem/statem_lib.c
index e6e61f7876..75cf321b98 100644
--- a/ssl/statem/statem_lib.c
+++ b/ssl/statem/statem_lib.c
@@ -495,7 +495,18 @@ MSG_PROCESS_RETURN tls_process_cert_verify(SSL *s, PACKET *pkt)
         }
     }
 
-    ret = MSG_PROCESS_CONTINUE_READING;
+    /*
+     * In TLSv1.3 on the client side we make sure we prepare the client
+     * certificate after the CertVerify instead of when we get the
+     * CertificateRequest. This is because in TLSv1.3 the CertificateRequest
+     * comes *before* the Certificate message. In TLSv1.2 it comes after. We
+     * want to make sure that SSL_get_peer_certificate() will return the actual
+     * server certificate from the client_cert_cb callback.
+     */
+    if (!s->server && SSL_IS_TLS13(s) && s->s3->tmp.cert_req == 1)
+        ret = MSG_PROCESS_CONTINUE_PROCESSING;
+    else
+        ret = MSG_PROCESS_CONTINUE_READING;
  err:
     BIO_free(s->s3->handshake_buffer);
     s->s3->handshake_buffer = NULL;