Provide SSL_CTX_get_min_proto_version and SSL_CTX_get_max_proto_version

We already provided the setters, so also provide the getters like
OpenSSL does.  Addition prompted by the use of those functions in recent
openvpn releases.

manpage diff from schwarze@ (thanks!) with input from jsing@, ok tb@
jsing@

1 files changed, 13 insertions, 13 deletions

diff --git a/src/regress/lib/libssl/unit/ssl_versions.c b/src/regress/lib/libssl/unit/ssl_versions.c
index c12f115c19..d84a7106d5 100644
--- a/src/regress/lib/libssl/unit/ssl_versions.c
+++ b/src/regress/lib/libssl/unit/ssl_versions.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: ssl_versions.c,v 1.4 2017/05/06 20:39:03 jsing Exp $ */
+/* $OpenBSD: ssl_versions.c,v 1.5 2018/03/15 12:27:01 jca Exp $ */
 /*
  * Copyright (c) 2016, 2017 Joel Sing <jsing@openbsd.org>
  *
@@ -620,16 +620,16 @@ test_ssl_min_max_version(void)
                         goto next;
                 }
 
-                if (ssl_ctx->internal->min_version != mmvt->want_minver) {
+                if (SSL_CTX_get_min_proto_version(ssl_ctx) != mmvt->want_minver) {
                         fprintf(stderr, "FAIL: test %zu - got SSL_CTX min "
                             "version 0x%x, want 0x%x\n", i,
-                            ssl_ctx->internal->min_version, mmvt->want_minver);
+                            SSL_CTX_get_min_proto_version(ssl_ctx), mmvt->want_minver);
                         goto next;
                 }
-                if (ssl_ctx->internal->max_version != mmvt->want_maxver) {
+                if (SSL_CTX_get_max_proto_version(ssl_ctx) != mmvt->want_maxver) {
                         fprintf(stderr, "FAIL: test %zu - got SSL_CTX max "
                             "version 0x%x, want 0x%x\n", i,
-                            ssl_ctx->internal->max_version, mmvt->want_maxver);
+                            SSL_CTX_get_max_proto_version(ssl_ctx), mmvt->want_maxver);
                         goto next;
                 }
 
@@ -638,16 +638,16 @@ test_ssl_min_max_version(void)
                         return 1;
                 }
 
-                if (ssl->internal->min_version != mmvt->want_minver) {
+                if (SSL_get_min_proto_version(ssl) != mmvt->want_minver) {
                         fprintf(stderr, "FAIL: test %zu - initial SSL min "
                             "version 0x%x, want 0x%x\n", i,
-                            ssl_ctx->internal->min_version, mmvt->want_minver);
+                            SSL_get_min_proto_version(ssl), mmvt->want_minver);
                         goto next;
                 }
-                if (ssl->internal->max_version != mmvt->want_maxver) {
+                if (SSL_get_max_proto_version(ssl) != mmvt->want_maxver) {
                         fprintf(stderr, "FAIL: test %zu - initial SSL max "
                             "version 0x%x, want 0x%x\n", i,
-                            ssl_ctx->internal->max_version, mmvt->want_maxver);
+                            SSL_get_max_proto_version(ssl), mmvt->want_maxver);
                         goto next;
                 }
 
@@ -679,16 +679,16 @@ test_ssl_min_max_version(void)
                         goto next;
                 }
 
-                if (ssl->internal->min_version != mmvt->want_minver) {
+                if (SSL_get_min_proto_version(ssl) != mmvt->want_minver) {
                         fprintf(stderr, "FAIL: test %zu - got SSL min "
                             "version 0x%x, want 0x%x\n", i,
-                            ssl_ctx->internal->min_version, mmvt->want_minver);
+                            SSL_get_min_proto_version(ssl), mmvt->want_minver);
                         goto next;
                 }
-                if (ssl->internal->max_version != mmvt->want_maxver) {
+                if (SSL_get_max_proto_version(ssl) != mmvt->want_maxver) {
                         fprintf(stderr, "FAIL: test %zu - got SSL max "
                             "version 0x%x, want 0x%x\n", i,
-                            ssl->internal->max_version, mmvt->want_maxver);
+                            SSL_get_max_proto_version(ssl), mmvt->want_maxver);
                         goto next;
                 }