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Original file line number | Diff line number | Diff line change |
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#!/bin/bash | ||
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||
# Test all keyrings to make sure they are not going to expire | ||
# within DDEV_MAX_DAYS_BEFORE_CERT_EXPIRATION days | ||
|
||
set -eu -o pipefail | ||
|
||
# Directories containing keyrings | ||
directories=("/etc/apt/trusted.gpg.d/" "/usr/share/keyrings/") | ||
# Today's date in Unix time | ||
today=$(date +%s) | ||
# Days ahead to check for expiration | ||
days_ahead=${DDEV_MAX_DAYS_BEFORE_CERT_EXPIRATION:-90} | ||
printf "Checking key expirations for ${days_ahead} days ahead\n" | ||
# Seconds ahead (DDEV_MAX_DAYS_BEFORE_CERT_EXPIRATION days) | ||
seconds_ahead=$((days_ahead * 24 * 3600)) | ||
|
||
# Process each directory | ||
for dir in "${directories[@]}"; do | ||
if [ ! -d ${dir} ]; then | ||
echo "Skipping non-existent ${dir}" | ||
continue | ||
fi | ||
echo "Checking directory: $dir" | ||
cd "$dir" | ||
shopt -s nullglob | ||
for keyring in *.{gpg,asc}; do | ||
# Skip specific keyrings | ||
if [[ "$keyring" =~ -removed-keys\.gpg$ ]]; then | ||
continue | ||
fi | ||
|
||
# Prepare keyring path for GPG command | ||
keyring_path="$dir$keyring" | ||
# Determine if temporary keyring is needed (for .asc files) | ||
temp_keyring="/tmp/temp-${keyring%.asc}.gpg" | ||
if [[ "$keyring" == *.asc ]]; then | ||
gpg --dearmor < "$keyring_path" > "$temp_keyring" 2>/dev/null | ||
keyring_to_check="$temp_keyring" | ||
else | ||
keyring_to_check="$keyring_path" | ||
fi | ||
|
||
echo "Checking keyring: $keyring" | ||
gpg --no-default-keyring --keyring "$keyring_to_check" --list-keys --with-colons --fixed-list-mode | \ | ||
awk -F: -v today="$today" -v seconds_ahead="$seconds_ahead" ' | ||
/^pub/ {keyid = $5; expiry_date = $7} | ||
/^uid/ && keyid { | ||
# Calculate the time until expiration only if the key has an expiration date | ||
if (expiry_date == 0 || expiry_date == "") { | ||
print "Key ID:", keyid, "Name:", $10, "has no expiration date" | ||
} else if (expiry_date > 0) { | ||
time_to_expire = expiry_date - today; | ||
print "Key ID:", keyid, "Name:", $10, "Expires in:", int(time_to_expire / 86400), "days" | ||
# Check if the key expires within DDEV_MAX_DAYS_BEFORE_CERT_EXPIRATION days | ||
if (expiry_date != "" && expiry_date > 0 && time_to_expire <= seconds_ahead) { | ||
print "Key ID:", keyid, "Name:", $10, "Expires in:", int(time_to_expire / 86400), "days"; | ||
exit 1; | ||
} | ||
keyid = ""; expiry_date = ""; | ||
} else { | ||
print "Error: Key MESSUP negative:", keyid, "Expiry date:", expiry_date, "Name:", $10, "Expires in:", int(time_to_expire / 86400), "days" | ||
exit 2 | ||
} | ||
} | ||
' | ||
done | ||
done |