From 553cb2204b0bf27afe13c6332f5679bbd47172a0 Mon Sep 17 00:00:00 2001 From: srdusr Date: Wed, 24 Sep 2025 05:01:20 +0200 Subject: Update/Overhaul --- unix/virt/checksum.sh | 36 ++++++++++++++++++++++++++++++++++++ 1 file changed, 36 insertions(+) create mode 100755 unix/virt/checksum.sh (limited to 'unix/virt/checksum.sh') diff --git a/unix/virt/checksum.sh b/unix/virt/checksum.sh new file mode 100755 index 0000000..adb6a24 --- /dev/null +++ b/unix/virt/checksum.sh @@ -0,0 +1,36 @@ +#!/bin/bash + +# Check if the correct number of arguments are provided +if [[ $# -ne 2 ]]; then + echo "Usage: checksum " + exit 1 +fi + +FILE=$1 +CHECKSUM_PAGE=$2 + +# Fetch the HTML content of the page +HTML_CONTENT=$(curl -s "$CHECKSUM_PAGE") + +# Try searching for checksums with a more targeted approach, like matching a checksum pattern or look for files with checksum labels +CHECKSUM=$(echo "$HTML_CONTENT" | grep -oP '([a-f0-9]{64})' | head -n 1) # Try specifically looking for SHA256 checksum patterns + +# Check if any checksum was found +if [[ -z "$CHECKSUM" ]]; then + echo "Checksum not found on the page." + exit 1 +fi + +# Calculate the checksum of the file locally +LOCAL_CHECKSUM=$(sha256sum "$FILE" | awk '{print $1}') + +echo "Local checksum: $LOCAL_CHECKSUM" +echo "Remote checksum: $CHECKSUM" + +# Compare the local checksum with the one from the website +if [[ "$LOCAL_CHECKSUM" == "$CHECKSUM" ]]; then + echo "The checksums match! The file is verified." + +else + echo "The checksums do not match. The file may be corrupted or tampered with." +fi -- cgit v1.2.3