101 lines
2.1 KiB
Bash
Executable File
101 lines
2.1 KiB
Bash
Executable File
#!/bin/sh
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set -f
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[ $# -gt 0 ] || exit 0
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me=${0##*/}
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[ -n "$1" ] || exit 1
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[ -f "$1" ] || {
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env printf '%s: not a file or does not exist: %q\n' "${me}" "$1" >&2
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exit 1
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}
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[ -s "$1" ] || exit 0
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w=$(mktemp -d) || exit 1
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w_cleanup() {
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[ -z "$w" ] || ls -lA "$w/" >&2
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[ -z "$w" ] || rm -rf "$w"
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unset w
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exit "${1:-0}"
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}
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bundle_offsets() {
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mawk 'BEGIN { OFS = ","; i_begin = 0; }
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$0 == "-----BEGIN CERTIFICATE-----" {
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i_begin = NR;
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}
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$0 == "-----END CERTIFICATE-----" {
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if (i_begin > 0) {
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print i_begin, NR;
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i_begin = 0;
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}
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}' "$1"
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}
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bundle_fingerprints() {
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local x f
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while read -r x ; do
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[ -n "$x" ] || continue
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f=$(sed -ne "${x}p" "$1" | openssl x509 -noout -fingerprint -sha256)
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[ -n "$f" ] || f=$(sed -ne "${x}p" "$1" | openssl x509 -noout -fingerprint)
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[ -n "$f" ] || continue
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printf '%s\n' "$f" | tr '[:upper:]' '[:lower:]'
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done < "$2"
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}
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openssl storeutl -certs "$1" > "$w/cert.pem" || w_cleanup 1
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[ -s "$w/cert.pem" ] || w_cleanup 1
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tr -s '\r\n' '\n' < "$w/cert.pem" > "$w/cert.txt"
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[ -s "$w/cert.txt" ] || w_cleanup 1
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rm -f "$w/cert.pem"
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bundle_offsets "$w/cert.txt" > "$w/cert.off"
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[ -s "$w/cert.off" ] || w_cleanup 1
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bundle_fingerprints "$w/cert.txt" "$w/cert.off" > "$w/cert.fp.all"
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[ -s "$w/cert.fp.all" ] || w_cleanup 1
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sort -uV < "$w/cert.fp.all" > "$w/cert.fp"
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while read -r fp ; do
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[ -n "${fp}" ] || continue
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n=$(grep -m1 -Fxn -e "${fp}" "$w/cert.fp.all" | cut -d : -f 1)
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[ -n "$n" ] || continue
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off=$(sed -ne "${n}p" "$w/cert.off")
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[ -n "${off}" ] || continue
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sed -ne "${off}p" "$w/cert.txt"
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done < "$w/cert.fp" > "$w/cert.pem"
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[ -s "$w/cert.pem" ] || w_cleanup 1
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rm -f "$w/cert.txt" "$w/cert.off" "$w/cert.fp.all"
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if [ -n "$2" ] ; then
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while : ; do
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if [ -e "$2" ] ; then
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[ -f "$2" ] || break
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fi
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cat > "$2"
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break ; done
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else
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cat
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fi < "$w/cert.pem"
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while [ -n "$3" ] ; do
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if [ -e "$3" ] ; then
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[ -f "$3" ] || break
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fi
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cat "$w/cert.fp" > "$3"
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break ; done
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while [ -n "$4" ] ; do
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if [ -e "$4" ] ; then
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[ -f "$4" ] || break
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fi
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bundle_offsets "$w/cert.pem" > "$4"
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break ; done
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rm -rf "$w" ; unset w
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