From: Lukas Schauer <lukas@schauer.so>
Date: Sun, 29 Jan 2017 23:12:01 +0000 (+0100)
Subject: use awk instead of grep for reading trailing line after match (fixes #255)
X-Git-Tag: v0.4.0~7
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=03f0dc18b94a45096533aa95eb79e4a2bd2c8192;p=thirdparty%2Fdehydrated.git

use awk instead of grep for reading trailing line after match (fixes #255)
---

diff --git a/dehydrated b/dehydrated
index a578955..e592206 100755
--- a/dehydrated
+++ b/dehydrated
@@ -446,7 +446,7 @@ extract_altnames() {
   reqtext="$( <<<"${csr}" openssl req -noout -text )"
   if <<<"${reqtext}" grep -q '^[[:space:]]*X509v3 Subject Alternative Name:[[:space:]]*$'; then
     # SANs used, extract these
-    altnames="$( <<<"${reqtext}" grep -A1 '^[[:space:]]*X509v3 Subject Alternative Name:[[:space:]]*$' | tail -n1 )"
+    altnames="$( <<<"${reqtext}" awk '/^[[:space:]]*X509v3 Subject Alternative Name:[[:space:]]*$/{print;getline;print;}' | tail -n1 )"
     # split to one per line:
     # shellcheck disable=SC1003
     altnames="$( <<<"${altnames}" _sed -e 's/^[[:space:]]*//; s/, /\'$'\n''/g' )"