47 lines
965 B
Bash
47 lines
965 B
Bash
#!/bin/zsh
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[[ -z $1 ]] && { echo "where to get the cert?" >&2; exit 1; }
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fetch() {
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if [[ -f $1 ]]
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then
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fetch_file $1
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else
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fetch_remote $1
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fi
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}
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fetch_remote() {
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: | openssl s_client -connect $1:443 2>/dev/null| awk '/BEGIN CERTIFICATE/,/END CERTIFICATE/'
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}
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fetch_file() {
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cat $1
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}
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coproc fetch $1 | openssl x509 -in - -noout -subject -issuer -startdate -enddate -ext subjectAltName | sed '/X509v3 Subject Alternative Name/ {n ; s/DNS://g ; s/, /\n /g;}'
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exec 3> >(LC_ALL=C sort)
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sort=0
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while read -p line
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do
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if [[ $line = notBefore=* ]]
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then
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date -d ${line#notBefore=} '+Since: %d.%m.%Y %T'
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continue
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elif [[ $line = notAfter=* ]]
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then
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date -d ${line#notAfter=} '+Until: %d.%m.%Y %T'
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continue
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fi
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if (( sort == 1 ))
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then
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echo " $line" >&3
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else
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[[ $line = 'X509v3 Subject Alternative Name:' ]] && sort=1
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echo $line
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fi
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done
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