review code for checking certificates

more robust for spaces around = in fragments like
CN=r2labapi.inria.fr
can now deal with e.g.
CN = r2labapi.inria.fr

diff --git a/plc.d/ssl b/plc.d/ssl
index ddbfe81..f09294a 100755 (executable)
--- a/plc.d/ssl
+++ b/plc.d/ssl
@@ -19,7 +19,7 @@ set -x
 ssl_cname ()
 {
     openssl x509 -noout -in $1 -subject | \
-       sed -n -e 's@.*/CN=\([^/]*\).*@\1@p' | \
+       sed -e 's|.*CN *= *\([-_a-zA-Z0-9.]*\).*|\1|' | \
        lower
 }