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-rw-r--r--.functions34
1 files changed, 34 insertions, 0 deletions
diff --git a/.functions b/.functions
index db887fa..d3ae860 100644
--- a/.functions
+++ b/.functions
@@ -118,6 +118,40 @@ function codepoint() {
echo # newline
}
+# Show all the names (CNs and SANs) listed in the SSL certificate
+# for a given domain
+function getcertnames() {
+ if [ -z "${1}" ]; then
+ echo "ERROR: No domain specified."
+ return 1
+ fi
+
+ domain="${1}"
+ echo "Testing ${domain}…"
+ echo # newline
+
+ tmp=$(echo -e "GET / HTTP/1.0\nEOT" \
+ | openssl s_client -connect "${domain}:443" 2>&1);
+
+ if [[ "${tmp}" = *"-----BEGIN CERTIFICATE-----"* ]]; then
+ certText=$(echo "${tmp}" \
+ | openssl x509 -text -certopt "no_header, no_serial, no_version, \
+ no_signame, no_validity, no_issuer, no_pubkey, no_sigdump, no_aux");
+ echo "Common Name:"
+ echo # newline
+ echo "${certText}" | grep "Subject:" | sed -e "s/^.*CN=//";
+ echo # newline
+ echo "Subject Alternative Name(s):"
+ echo # newline
+ echo "${certText}" | grep -A 1 "Subject Alternative Name:" \
+ | head -2 | tail -1 | sed "s/DNS://g" | sed "s/ //g" | tr "," "\n"
+ return 0
+ else
+ echo "ERROR: Certificate not found.";
+ return 1
+ fi
+}
+
# Add note to Notes.app (OS X 10.8)
# Usage: `note 'foo'` or `echo 'foo' | note`
function note() {