12 lines
281 B
Bash
12 lines
281 B
Bash
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#!/bin/sh
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#!/bin/sh
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# Check for the presence of the certificate file
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if [ ! -f "$1" ]; then
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exit 0
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fi
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# Extract subjectAltName from the certificate
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openssl x509 -in "$1" -text -noout | grep -E -o "DNS:[^,]*" | sed 's/DNS://g' | tr -d ' ' | tr ',' ' ' | sort | tr '\n' ' '
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