From 48c241b38308baf097af2f415b5508ba6dc8e349 Mon Sep 17 00:00:00 2001
From: Your Name <you@example.com>
Date: Thu, 25 Jul 2024 17:41:18 -0400
Subject: [PATCH] added sha sums for verifiable updates via salt

---
 src/dockerutils.sh.sha256 |  1 +
 src/sum.sh                | 41 +++++++++++++++++++++++++++++++++++++++
 src/sum.sh.sha256         |  1 +
 sum.sh                    | 33 +++++++++++++++++++++++++++++++
 4 files changed, 76 insertions(+)
 create mode 100644 src/dockerutils.sh.sha256
 create mode 100644 src/sum.sh
 create mode 100644 src/sum.sh.sha256
 create mode 100755 sum.sh

diff --git a/src/dockerutils.sh.sha256 b/src/dockerutils.sh.sha256
new file mode 100644
index 0000000..d74e023
--- /dev/null
+++ b/src/dockerutils.sh.sha256
@@ -0,0 +1 @@
+a2577b1eb4dfc9dd142bc8bc91f6c569101eef61d1c47ddbd4e9625079fdb5a4
diff --git a/src/sum.sh b/src/sum.sh
new file mode 100644
index 0000000..7169c99
--- /dev/null
+++ b/src/sum.sh
@@ -0,0 +1,41 @@
+# /etc/profile.d/sum.sh
+
+# Ensure the script is sourced
+if [[ "${BASH_SOURCE[0]}" == "${0}" || "${(%):-%N}" == "$0" ]]; then
+  echo "This script should be sourced, not executed."
+  exit 1
+fi
+
+# Function to generate SHA-256 hashes for .sh files in a given directory
+generate_sha256_hashes() {
+  local src_dir="$1"
+
+  # Check if the directory exists
+  if [ ! -d "$src_dir" ]; then
+    echo "Directory $src_dir does not exist."
+    return 1
+  fi
+
+  # Determine the command to use for calculating SHA-256
+  local hash_cmd
+  if command -v sha256sum >/dev/null 2>&1; then
+    hash_cmd="sha256sum"
+  elif command -v shasum >/dev/null 2>&1; then
+    hash_cmd="shasum -a 256"
+  else
+    echo "Neither sha256sum nor shasum command is available."
+    return 1
+  fi
+
+  # Loop through all .sh files in the directory
+  for file in "$src_dir"/*.sh; do
+    # Skip if no .sh files are found
+    [ -e "$file" ] || continue
+
+    # Calculate the SHA-256 hash and save it to a .sha256 file
+    $hash_cmd "$file" | awk '{ print $1 }' > "$file.sha256"
+  done
+
+  echo "SHA-256 hashes have been saved in .sha256 files."
+}
+
diff --git a/src/sum.sh.sha256 b/src/sum.sh.sha256
new file mode 100644
index 0000000..ccdff62
--- /dev/null
+++ b/src/sum.sh.sha256
@@ -0,0 +1 @@
+e92965ba035990ee5cb81afc1dda199949521264897f4ec37b99fe6a96c14344
diff --git a/sum.sh b/sum.sh
new file mode 100755
index 0000000..c4561f1
--- /dev/null
+++ b/sum.sh
@@ -0,0 +1,33 @@
+#!/bin/bash
+
+# Directory containing the .sh files
+src_dir="./src"
+
+# Check if the directory exists
+if [ ! -d "$src_dir" ]; then
+  echo "Directory $src_dir does not exist."
+  exit 1
+fi
+
+# Determine the command to use for calculating SHA-256
+if command -v sha256sum >/dev/null 2>&1; then
+  hash_cmd="sha256sum"
+elif command -v shasum >/dev/null 2>&1; then
+  hash_cmd="shasum -a 256"
+else
+  echo "Neither sha256sum nor shasum command is available."
+  exit 1
+fi
+
+# Loop through all .sh files in the directory
+for file in "$src_dir"/*.sh; 
+do
+  # Skip if no .sh files are found
+  [ -e "$file" ] || continue
+
+  # Calculate the SHA-256 hash and save it to a .sha256 file
+  $hash_cmd "$file" | awk '{ print $1 }' > "$file.sha256"
+done
+
+echo "SHA-256 hashes have been saved in .sha256 files."
+