From ed3f3d954f472694e07aaa05493f5e29a6b2e388 Mon Sep 17 00:00:00 2001
From: Peter Wu <peter@lekensteyn.nl>
Date: Fri, 30 Jan 2015 16:28:34 +0100
Subject: Add sslkeylog.sh wrapper script

---
 src/sslkeylog.sh | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)
 create mode 100755 src/sslkeylog.sh

diff --git a/src/sslkeylog.sh b/src/sslkeylog.sh
new file mode 100755
index 0000000..b5bac94
--- /dev/null
+++ b/src/sslkeylog.sh
@@ -0,0 +1,22 @@
+#!/bin/sh
+# Invokes the given command, displaying the pre-master secrets to stderr
+# (or to the file given by envvar SSLKEYLOGFILE).
+#
+# Example usage:
+# SSLKEYLOGFILE=premaster.txt ./sslkeylog.sh curl https://lekensteyn.nl/
+
+# Do not load the library into gdb or the shell launched by gdb. This prevent
+# crashes when the library is built with -fsanitize=address and such.
+gdb() {
+    export -n LD_PRELOAD
+    command gdb -q \
+        -ex 'set startup-with-shell off' \
+        -ex "set environment LD_PRELOAD=$LD_PRELOAD" \
+        "$@"
+}
+
+export LD_PRELOAD=$(dirname "$0")/libsslkeylog.so
+export SSLKEYLOGFILE=${SSLKEYLOGFILE:-/dev/stderr}
+
+# Run the command
+"$@"
-- 
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