openvpn: import from base

Signed-off-by: Rosen Penev <rosenp@gmail.com>

1 files changed, 16 insertions, 0 deletions

diff --git a/net/openvpn/files/lib/functions/openvpn.sh b/net/openvpn/files/lib/functions/openvpn.sh
new file mode 100644
index 000000000..83fb1bb45
--- /dev/null
+++ b/net/openvpn/files/lib/functions/openvpn.sh
@@ -0,0 +1,16 @@
+#!/bin/sh
+
+get_openvpn_option() {
+	local config="$1"
+	local variable="$2"
+	local option="$3"
+
+	local value="$(sed -rne 's/^[ \t]*'"$option"'[ \t]+(([^ \t\\]|\\.)+)[ \t]*$/\1/p' "$config" | tail -n1 | sed -re 's/\\(.)/\1/g')"
+	[ -n "$value" ] || value="$(sed -rne 's/^[ \t]*'"$option"'[ \t]+'"'([^']+)'"'[ \t]*$/\1/p' "$config" | tail -n1)"
+	[ -n "$value" ] || value="$(sed -rne 's/^[ \t]*'"$option"'[ \t]+"(([^"\\]|\\.)+)"[ \t]*$/\1/p' "$config" | tail -n1 | sed -re 's/\\(.)/\1/g')"
+	[ -n "$value" ] || return 1
+
+	export -n "$variable=$value"
+	return 0
+}
+