Rename uses 'curve' to 'group' and rework tls1 group API.

This reworks various tls1_ curve APIs to indicate success via a boolean
return value and move the output to an out parameter. This makes the
caller code easier and more consistent.

Based on a suggestion by jsing

ok jsing

1 files changed, 2 insertions, 2 deletions

diff --git a/src/lib/libssl/ssl_srvr.c b/src/lib/libssl/ssl_srvr.c
index 8f110831e4..526d9e678b 100644
--- a/src/lib/libssl/ssl_srvr.c
+++ b/src/lib/libssl/ssl_srvr.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: ssl_srvr.c,v 1.146 2022/06/30 11:17:50 tb Exp $ */
+/* $OpenBSD: ssl_srvr.c,v 1.147 2022/07/02 16:00:12 tb Exp $ */
 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
  * All rights reserved.
  *
@@ -1380,7 +1380,7 @@ ssl3_send_server_kex_ecdhe(SSL *s, CBB *cbb)
         CBB public;
         int nid;
 
-        if ((nid = tls1_get_shared_curve(s)) == NID_undef) {
+        if (!tls1_get_supported_group(s, &nid)) {
                 SSLerror(s, SSL_R_UNSUPPORTED_ELLIPTIC_CURVE);
                 ssl3_send_alert(s, SSL3_AL_FATAL, SSL_AD_HANDSHAKE_FAILURE);
                 goto err;