feat: Update all commands to use --ca-dir flag instead of positional argument.

simple-ca.sh

@@ -43,6 +43,7 @@ function make_ca() {
     # CA defaults to the main CA if not specified, but can be overridden with --issuing-ca
     local CA_FILE_PREFIX="ca"
     local AIA_BASE_URL=""
+    local CA_DIR=""
 
     while [[ $# -gt 0 ]]; do
         case "$1" in
@@ -74,16 +75,23 @@ function make_ca() {
                 AIA_BASE_URL="$2"
                 shift 2
                 ;;
+            --ca-dir)
+                if [[ -z "$2" ]]; then
+                    echo "ERROR: Missing value for --ca-dir." >&2
+                    return 1
+                fi
+                CA_DIR="$2"
+                shift 2
+                ;;
             *)
                 break
                 ;;
         esac
     done
 
-    # Use the provided directory argument
-    local CA_DIR="$1"
-    local CA_NAME="$2"
-    shift 2
+    local CA_NAME="$1"
+    shift 1
+    CA_DIR="${CA_DIR:-${SIMPLE_CA_DIR:-$(pwd)}}"
 
     if [[ -z "$CA_DIR" || ! -d "$CA_DIR" ]]; then
         echo "ERROR: Certificate directory $CA_DIR does not exist."
@@ -231,7 +239,7 @@ function make_cert() {
     local CERT_SUBJECT_NAME="$2"
     shift 2
 
-    CA_DIR="${CA_DIR:-$CERT_DIR}"
+    CA_DIR="${CA_DIR:-${SIMPLE_CA_DIR:-$(pwd)}}"
 
     local AIA_BASE_URL_FILE="$CA_DIR/aia_base_url.txt"
     local AIA_URL=""
@@ -371,6 +379,7 @@ function make_pfx() {
         esac
     done
 
+    CA_DIR="${CA_DIR:-${SIMPLE_CA_DIR:-$(pwd)}}"
     local ROOT_CA_CERT="ca_cert.pem"
     local ROOT_CA_KEY="ca_key.pem"
     local CA_CERT="${CA_FILE_PREFIX:-ca}_cert.pem"