From 4fb917263ac30373cb3e5dfe3e207369eb238def Mon Sep 17 00:00:00 2001
From: Laurent Bercot <ska-skaware@skarnet.org>
Date: Sun, 22 Nov 2020 15:46:34 +0000
Subject:  Add SSL_PROTOCOL and SSL_CIPHER support, fix some bugs

---
 src/stls/deps-lib/stls           |  1 +
 src/stls/stls_send_environment.c | 24 ++++++++++++++++++++++++
 2 files changed, 25 insertions(+)
 create mode 100644 src/stls/stls_send_environment.c

(limited to 'src/stls')

diff --git a/src/stls/deps-lib/stls b/src/stls/deps-lib/stls
index 9416332..615ce3b 100644
--- a/src/stls/deps-lib/stls
+++ b/src/stls/deps-lib/stls
@@ -2,5 +2,6 @@ stls_drop.o
 stls_run.o
 stls_client_init_and_handshake.o
 stls_server_init_and_handshake.o
+stls_send_environment.o
 ${CRYPTO_LIB}
 -lskarnet
diff --git a/src/stls/stls_send_environment.c b/src/stls/stls_send_environment.c
new file mode 100644
index 0000000..1c13602
--- /dev/null
+++ b/src/stls/stls_send_environment.c
@@ -0,0 +1,24 @@
+/* ISC license. */
+
+#include <unistd.h>
+#include <stdlib.h>
+
+#include <tls.h>
+
+#include <skalibs/buffer.h>
+
+#include <s6-networking/stls.h>
+
+int stls_send_environment (struct tls *ctx, int fd)
+{
+  char buf[4096] ;
+  buffer b = BUFFER_INIT(&buffer_write, fd, buf, 4096) ;
+  if (buffer_puts(&b, "SSL_PROTOCOL=") < 0
+   || buffer_puts(&b, tls_conn_version(ctx)) < 0
+   || buffer_put(&b, "", 1) < 0
+   || buffer_puts(&b, "SSL_CIPHER=") < 0
+   || buffer_puts(&b, tls_conn_cipher(ctx)) < 0
+   || buffer_putflush(&b, "\0", 2) < 0)
+    return 0 ;
+  return 1 ;
+}
-- 
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