Teach bssl server about -max-version and -min-version.

Change-Id: Ifbfae883638b35bb274f2002bc53fbba77c7aa85
Reviewed-on: https://boringssl-review.googlesource.com/8821
Reviewed-by: David Benjamin <davidben@google.com>
Commit-Queue: David Benjamin <davidben@google.com>
CQ-Verified: CQ bot account: commit-bot@chromium.org <commit-bot@chromium.org>

1 files changed, 20 insertions, 0 deletions

diff --git a/tool/transport_common.cc b/tool/transport_common.cc
index eff8e755..ed1bc0f9 100644
--- a/tool/transport_common.cc
+++ b/tool/transport_common.cc
@@ -181,6 +181,26 @@ out:
   return ok;
 }
 
+bool VersionFromString(uint16_t *out_version, const std::string &version) {
+  if (version == "ssl3") {
+    *out_version = SSL3_VERSION;
+    return true;
+  } else if (version == "tls1" || version == "tls1.0") {
+    *out_version = TLS1_VERSION;
+    return true;
+  } else if (version == "tls1.1") {
+    *out_version = TLS1_1_VERSION;
+    return true;
+  } else if (version == "tls1.2") {
+    *out_version = TLS1_2_VERSION;
+    return true;
+  } else if (version == "tls1.3") {
+    *out_version = TLS1_3_VERSION;
+    return true;
+  }
+  return false;
+}
+
 void PrintConnectionInfo(const SSL *ssl) {
   const SSL_CIPHER *cipher = SSL_get_current_cipher(ssl);