Initial commit: mwhois with SCION AS support and decimal AS conversion

Based on mwhois by Antonios A. Chariton
Modifications for SCION AS support by Olaf Baumert, Axpo Systems AG

add-as

@@ -0,0 +1,92 @@
+#!/usr/bin/python
+
+# Use this file to add SCION AS entries to the whois database
+
+import os
+import json
+
+# Function to convert SCION AS to decimal if in BGP range
+def scion_as_to_decimal(as_id):
+    """Convert SCION AS format to decimal if in BGP AS range (0 - 2^32-1)"""
+    # Handle plain decimal AS numbers
+    if ':' not in as_id:
+        return as_id
+    
+    # Parse SCION format (ISD:AS:Instance or AS parts in hex)
+    parts = as_id.split(':')
+    
+    # For ISD:AS:Instance format, extract the AS part
+    if len(parts) == 3:
+        # ISD:AS:Instance format - AS is the middle part
+        try:
+            # Convert hex AS to decimal
+            as_num = int(parts[1], 16)
+            if 0 <= as_num <= 0xFFFFFFFF:  # BGP AS range
+                return str(as_num)
+        except ValueError:
+            pass
+        return ""
+    
+    # For colon-separated hex format (e.g., 0:1:f)
+    if len(parts) <= 3:
+        try:
+            # Convert each hex part and combine
+            total = 0
+            for i, part in enumerate(parts):
+                total = total * 65536 + int(part, 16)
+            
+            # Check if in BGP AS range
+            if 0 <= total <= 0xFFFFFFFF:  # 2^32 - 1
+                return str(total)
+        except ValueError:
+            pass
+    
+    return ""
+
+# Ensure the AS database directory exists
+os.system("mkdir -p db/as")
+
+as_id = input("Enter SCION AS Identifier (format ISD:AS:Instance, e.g. 2:2:0): ")
+
+# Validate AS ID format
+import re
+if not re.match(r'^\d+:\d+:\d+$', as_id) and not re.match(r'^\d+$', as_id):
+    print("Invalid SCION AS Identifier format. Expected format: ISD:AS:Instance (e.g. 2:2:0) or just AS number (e.g. 60284)")
+    exit(1)
+
+# Get AS details
+isd = input("Enter ISD: ")
+# Automatically calculate decimal representation
+as_decimal = scion_as_to_decimal(as_id)
+if as_decimal:
+    print(f"AS decimal value (auto-calculated): {as_decimal}")
+else:
+    as_decimal = input("Enter AS decimal value (not in BGP range, press Enter to skip): ")
+    
+organization = input("Enter Organization: ")
+country = input("Enter Country Code: ")
+uid = input("Enter UID (e.g. CHE-123.456.789): ")
+status = input("Enter Status (ASSIGNED/ALLOCATED): ")
+description = input("Enter Description: ")
+contact = input("Enter Contact Email: ")
+date_allocated = input("Enter Date Allocated (YYYY-MM-DD): ")
+
+# Prepare AS data
+n = "\r\n"
+body = "% SCION AS WHOIS Information" + n + n
+body += "AS Identifier:  " + as_id + n
+body += "ISD:           " + isd + n
+body += "AS decimal:    " + as_decimal + n
+body += "Organization:  " + organization + n
+body += "Country:       " + country + n
+body += "UID:           " + uid + n
+body += "Status:        " + status + n
+body += "Description:   " + description + n
+body += "Contact:       " + contact + n
+body += "DateAllocated: " + date_allocated + n
+
+# Save to file
+d = open("db/as/" + as_id, "w+")
+d.write(body)
+d.close()
+print("Done! SCION AS record added successfully.")