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IPMC.py
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#!/usr/bin/env python3
import FreeSimpleGUI as sg
import ipaddress as ip
import os
import sys
'''IP_MAP_Calculator.py: Calculates the results of IP MAP Rule parameters
This version of IP_MAP_ADDRESS_CALCULATOR uses the FreeSimpleGUI graphics package.'''
# IP_MAP_ADDRESS_CALCULATOR v0.12.01 - 12/09/2024 - D. Scott Freemire
# Window theme and frame variables
#-------------------------------------#
sg.theme('TanBlue') # Tan is #E5DECF, Blue is #09348A
windowfont=('Helvetica', 13)
name_tooltip = 'Enter unique rule name'
v6_tooltip = 'Format similar to 2008:8cd:0::/xx'
v6m_tooltip = 'Enter IPv6 mask bits'
v4_tooltip = 'Format similar to 192.168.2.0/24'
v4m_tooltip = 'Enter IPv4 mask bits'
ea_tooltip = 'Max 2 digits'
#psid_tooltip = 'Max 1 digit'
rulestring_tooltip = ('Name|IPv6 Prefix|IPv6 Pfx Len|IPv4 Prefix|'
'IPv4 Pfx Len|EA Len|PSID Offset')
fmr_tooltip = 'Create FMR option string (forwarding)'
v4mask = [n for n in range(16, 33)] # for edit rule Combo
v6mask = [n for n in range(32, 65)] # for edit rule Combo
psidoff = [n for n in range(16)] # for edit rule Combo
eabits = [n for n in range(33)] # for edit rule Combo
# Big headings for visibility in text editor "minimap"
'''
██ ██ ██ ██ █████ ██ ██ ██████ ██ ██ ████████ ███████
██ ██ ██ ██ ██ ██ ██ ██ ██ ██ ██ ██ ██ ██
██ ██ ██ ██ ███████ ████ ██ ██ ██ ██ ██ ███████
██ ██ ██ ██ ██ ██ ██ ██ ██ ██ ██ ██ ██
██████ ██ ███████ ██ ██ ██ ██████ ██████ ██ ███████
'''
# sg.Push() is like a spring between elements
# sg.Sizer(h_pixels=0, v_pixels=0) is like an adjustable block between elements
# expand_x=True causes an element to expand to the width of its container
# expand_y=True causes element to expand to the height of its container
# Main Display (top frame) - Calculated Values
#----------------------------------------------#
display_col1 = [
[sg.Text('Uniq v4 IPs', font=('Arial', 14, 'bold'))],
[sg.Text('', font=('Arial', 16, 'bold'), justification='centered',
size=(7, 1), background_color='#fdfdfc', border_width=4,
relief='ridge', key='-IPS_DSPLY-')]
]
display_col2 = [
[sg.Text('Sharing', font=('Arial', 14, 'bold'))],
[sg.Text('', font=('Arial', 16, 'bold'), justification='centered',
size=(7, 1), background_color='#fdfdfc', border_width=4,
relief='ridge', key='-RATIO_DSPLY-')]
]
display_col3 = [
[sg.Text('Users', font=('Arial', 14, 'bold'))],
[sg.Text('', font=('Arial', 16, 'bold'), justification='centered',
size=(7, 1), background_color='#fdfdfc', border_width=4,
relief='ridge', key='-USERS_DSPLY-')]
]
display_col4 = [
[sg.Text('Ports/User', font=('Arial', 14, 'bold'))],
[sg.Text('', font=('Arial', 16, 'bold'), justification='centered',
size=(7, 1), background_color='#fdfdfc', border_width=4,
relief='ridge', key='-PORTS_DSPLY-')]
]
display_col5 = [
[sg.Text('Excluded Ports', font=('Arial', 14, 'bold'))],
[sg.Text('', font=('Arial', 16, 'bold'), justification='centered',
size=(7, 1), background_color='#fdfdfc', border_width=4,
relief='ridge', key='-EXCL_PORTS_DSPLY-')]
]
# Top frame with results fields
display_layout = [
[sg.Column(display_col1, element_justification='centered'),
sg.Text('x', pad=((0, 0), (20, 0))),
sg.Column(display_col2, element_justification='centered'),
sg.Text('=', pad=((0, 0), (20, 0))),
sg.Column(display_col3, element_justification='centered'),
sg.Text(':', font=('Arial', 16, 'bold'), pad=((0, 0), (20, 0))),
sg.Column(display_col4, element_justification='centered'),
sg.Column(display_col5, element_justification='centered')],
[sg.Text('BMR', font=('Arial', 14, 'bold')),
sg.Input('', font=('Courier', 15, 'bold'),
# use_readonly... with disabled creates display field that can be
# selected and copied with cursor, but not edited (review need for this)
justification='centered', size=(60, 1), use_readonly_for_disable=True,
disabled=True, pad=((0, 8), (0, 0)), background_color='#fdfdfc',
key='-BMR_STRING_DSPLY-'),
sg.Button('Save', font=('Helvetica', 11), key='-SAVE-')],
[sg.Push(),
sg.Text('Select and copy, or click Save', font=('Helvetica', 13, 'italic'),
justification='centered', pad=((5, 5), (0, 5))),
sg.Push()],
]
# Parameter Editing Display (2nd frame)
#---------------------------------------#
param_edit_col1 = [
[sg.Text('Name:', font=('Arial', 14, 'bold')),
sg.Input('', font=('Arial', 14, 'bold'), size=(20, 1),
enable_events=True, tooltip=name_tooltip, border_width=2,
pad=((89, 5), (5, 5)), background_color='#fdfdfc', key='-RULENAME-'),
sg.Push(),
sg.Text('', text_color='red', font='None 14 bold', key='-PARAM_MESSAGES-'),
sg.Push()],
[sg.Text('IPv6 Prefix/Length:', font=('Arial', 14, 'bold')),
sg.Input('', font=('Arial', 14, 'bold'), size=(20, 1), enable_events=True,
tooltip=v6_tooltip, border_width=2, background_color='#fdfdfc',
key='-R6PRE-'),
sg.Text('/'),
sg.Combo(v6mask, readonly=True, font=('Helvetica', 14, 'bold'),
enable_events=True, background_color='#fdfdfc', key='-R6LEN-')],
[sg.Text('IPv4 Prefix/Length:', font=('Arial', 14, 'bold')),
sg.Input('', font=('Arial', 14, 'bold'), size=(20, 1), enable_events=True,
tooltip=v4_tooltip, border_width=2, background_color='#fdfdfc',
key='-R4PRE-'),
sg.Text('/'),
sg.Combo(v4mask, readonly=True, font=('Helvetica', 14, 'bold'),
enable_events=True, key='-R4LEN-',)],
[sg.Text('EA Bits Length', font=('Helvetica', 13, 'bold')),
sg.Sizer(h_pixels=32, v_pixels=0),
sg.Combo(eabits, readonly=True, font=('Helvetica', 14, 'bold'),
background_color='#fdfdfc', enable_events=True, key='-EABITS-',),
sg.Sizer(h_pixels=23, v_pixels=0),
sg.Text('PSID Offset Bits', font=('Helvetica', 13, 'bold')),
sg.Combo(psidoff, readonly=True, font=('Helvetica', 13, 'bold'),
background_color='#fdfdfc', enable_events=True, key='-OFFSET-'),
sg.Sizer(h_pixels=202, v_pixels=0),
sg.Button('Enter', font=('Helvetica', 11), key='-ENTER_PARAMS-')],
[sg.Sizer(h_pixels=0, v_pixels=5)],
[sg.HorizontalSeparator()],
[sg.Sizer(h_pixels=0, v_pixels=5)],
[sg.Text('Rule String:', font=(None, 14, 'italic', 'bold'),
pad=((5, 5), (5, 0))),
sg.Input('', font=('Courier', 14, 'bold'), size=(60, 1),
justification='centered', pad=((5, 5), (5, 0)), enable_events=True,
background_color='#fdfdfc', tooltip=rulestring_tooltip, key='-STRING_IN-'),
sg.Button('Enter', font='Helvetica 11', pad=((5, 5), (5, 0)),
key='-ENTER_STRING-')],
[sg.Push(),
sg.Text('Type or paste saved string and click Enter',
font=('Helvetica', 13, 'italic'), justification='centered',
pad=((5, 5), (0, 5))),
sg.Push()]
]
editor_layout = [
[sg.Column(param_edit_col1, expand_x=True)],
]
# Binary Display (3rd frame)
#-------------------------------------#
multiline1_layout = [
[sg.Multiline(size=(83, 13), auto_size_text=True,
font=('Courier', 14, 'bold'), background_color='#fdfdfc',
expand_x=True, disabled=True, # horizontal_scroll = True,
no_scrollbar=True, key='MLINE_BIN_1')]
]
multiline2_layout = [
[sg.Multiline(size=(83, 7), auto_size_text=True,
font=('Courier', 14, 'bold'), background_color='#fdfdfc',
expand_x=True, horizontal_scroll = False, disabled=True,
no_scrollbar=True, key='MLINE_BIN_2')]
]
bin_display_col1 = [
[sg.Sizer(h_pixels=0, v_pixels=6)],
[sg.Frame(
'BMR Prefix, User Prefix, & IPv4 Prefix - IPv4 Host & Port Calculation',
multiline1_layout, expand_x=True, border_width=1, relief='ridge',
font=('Helvetica', 13, 'bold'), title_location=sg.TITLE_LOCATION_TOP,)],
]
bin_display_col2 = [
[
sg.Sizer(37, 0),
sg.Text('IPv6 Prefix Length:', font=('Helvetica', 13, 'bold'),
pad=((0, 1), (5, 0))),
sg.Slider(range=(32, 64), default_value=32, orientation='h',
disable_number_display=False, enable_events=True,
size=(16, 8), trough_color='white', font=('Helvetica', 13, 'bold'),
text_color=None, disabled=True, key='-V6PFX_LEN_SLDR-'),
# sg.Push(),
sg.Sizer(8, 0),
sg.VerticalSeparator(),
sg.Sizer(8, 0),
# sg.Push(),
sg.Text('EA Length:', font=('Helvetica', 13, 'bold'),
pad=((0, 14), (5, 0))),
# sg.Sizer(h_pixels=5, v_pixels=0),
sg.Slider(range=(0, 32), default_value=32, orientation='h', # Per RFC 7598 (dhcp) 0-48 is valid.
disable_number_display=False, enable_events=True,
size=(19, 8), trough_color='white', font=('Helvetica', 13, 'bold'),
text_color=None, disabled=True, key='-EA_LEN_SLDR-'),
# sg.Sizer(40, 0),
],
[
sg.Sizer(37, 0),
sg.Text('IPv4 Prefix Length:', font=('Helvetica', 13, 'bold'),
pad=((0, 1), (5, 0))),
sg.Slider(range=(16, 32), default_value=16, orientation='h',
disable_number_display=False, enable_events=True,
size=(16, 8), trough_color='white', font=('Helvetica', 13, 'bold'),
disabled=True, text_color=None,
key='-V4PFX_LEN_SLDR-'),
# sg.Push(),
sg.Sizer(8, 0),
sg.VerticalSeparator(),
sg.Sizer(8, 0),
# sg.Push(),
sg.Text('PSID Offset:', font=('Helvetica', 13, 'bold'),
pad=((0, 5), (0, 5))),
sg.Slider(range=(0, 15), default_value=0, orientation='h',
disable_number_display=False, enable_events=True,
size=(19, 8), trough_color='white', font=('Helvetica', 13, 'bold'),
pad=((5, 5), (0, 10)), disabled=True, key='-PSID_OFST_SLDR-'),
# sg.Push()
],
[sg.Sizer(h_pixels=0, v_pixels=9)],
[sg.Push(),
sg.Text('Source Port Index:', font=('Helvetica', 13, 'bold')),
sg.Text('', font=('Arial', 14, 'bold'), justification='centered',
size=(16, 1), background_color='#fdfdfc', border_width=4,
relief='ridge', key='-SP_INDEX-'),
# sg.Input('', size=(16, 1), justification='centered',
# use_readonly_for_disable=True,disabled=True, key='-SP_INDEX-'),
sg.Button(' <<', font='Helvetica 11', key='-P_IDX_FIRST-'),
sg.Button(' + 1', font='Helvetica 11', key='-P_IDX_UP_1-'),
sg.Button(' + 10', font='Helvetica 11', key='-P_IDX_UP_10-'),
sg.Button(' + 100', font='Helvetica 11', key='-P_IDX_UP_100-'),
sg.Button(' >>', font='Helvetica 11', key='-P_IDX_LAST-'),
sg.Text(f'= Port', font=('Helvetica', 14, 'bold')),
sg.Text('', font=('Helvetica', 14, 'bold'), justification='centered',
size=(7, 1), background_color='#fdfdfc', border_width=4,
relief='ridge', key='-SP_INT-'),
# sg.Input('', size=(7, 1), justification='centered',
# use_readonly_for_disable=True, disabled=True, key='-SP_INT-'),
sg.Push()],
[sg.Sizer(0, 9)],
[sg.HorizontalSeparator()],
[sg.Sizer(h_pixels=0, v_pixels=3)],
[sg.Sizer(10, 0),
sg.Text('End-user IPv6 prefix (User PD):',
pad=0, font=('Helvetica', 13, 'bold'))],
[sg.Sizer(h_pixels=0, v_pixels=8)],
[sg.Push(),
sg.Text('User PD', font=('Helvetica', 13, 'bold'), pad=((5, 0), (5, 5))),
sg.Input('', size=(24, 1), pad=((4, 5), (5, 5)),
font=('Helvetica', 13, 'bold'), justification='centered',
use_readonly_for_disable=True, disabled=True, key='-USER_PD-',
disabled_readonly_background_color='#fdfdfc'),
sg.Push(),
sg.Text('CE IP', font='Helvetica 13 bold', pad=((0, 0), (5, 5))),
sg.Input('', size=(16, 1), font=('Helvetica', 13, 'bold'),
pad=((5, 0), (5, 5)), justification='centered',
use_readonly_for_disable=True, disabled=True, key='-USER_IP4-',
disabled_readonly_background_color='#fdfdfc'),
sg.Push(),
sg.Text('Port', font=('Helvetica', 13, 'bold'), pad=((4, 0), (5, 5))),
sg.Input('', size=((9), 1), font=('Helvetica', 13, 'bold'),
justification='centered', use_readonly_for_disable=True,
disabled=True, key='-USER_PORT-',
disabled_readonly_background_color='#fdfdfc'),
sg.Push()],
[sg.Sizer(0, 5)],
[sg.Frame('User IPv6 Source Address and Port',
multiline2_layout, expand_x=True, border_width=1, relief='ridge',
font=('Helvetica', 13, 'bold'), pad=((0, 0), (0, 0)),
title_location=sg.TITLE_LOCATION_TOP,)],
[sg.Sizer(0, 7)],
[sg.Sizer(h_pixels=2, v_pixels=0),
sg.Button('Next User PD', font='Helvetica 11', key='-NXT_USER_PD-'),
sg.Push(),
sg.Text('IPv4 Host:', font=('Helvetica', 13, 'bold')),
sg.Slider(range=(0, 0), default_value=0, orientation='h',
disable_number_display=False, enable_events=True,
size=(42, 8), trough_color='white', font=('Helvetica', 14, 'bold'),
pad=((5, 10), (0, 0)), key='-V4HOST_SLIDER-'),
sg.Button(' + 1', font='Helvetica 11', key='-NEXT_HOST-'),
],
]
# Error messages
bin_display_col3 = [
[sg.Push(),
sg.Text('', text_color='red', font='None 14 bold',
pad=((5, 5), (0, 0)), key='-PD_MESSAGES-'),
sg.Push()],
[sg.Sizer(h_pixels=0, v_pixels=1)]
]
bin_display_layout = [
[sg.Column(bin_display_col1, element_justification='centered',
expand_x=True)],
[sg.Column(bin_display_col2,
expand_x=True)],
[sg.Column(bin_display_col3, expand_x=True)],
]
# DHCP Display (4th frame)
#-------------------------------------#
dhcp_layout = [
# [sg.Text('------- DHCPv6 Options for MAP-T CEs -------', font=(None, 12, 'bold'),
# expand_x=True, justification='center')],
[sg.Text('DMR:', font=(None, 13, 'bold')),
sg.Input('Ex. 2001:db8:ffff::/64', background_color='#fdfdfc',
border_width=2, disabled=True, key='DMR_INPUT'),
sg.Button('Enter', key='DMR_ENTER')],
[sg.Text('S46 MAP-T Container Option 95:', font=('Helvetica', 13, 'bold')),
sg.Checkbox('FMR String', font=('Helvetica', 13, 'bold'), tooltip=fmr_tooltip,
enable_events=True, key='FMR_FLAG'),
sg.Text('', text_color='red', font='None 14 bold', key='-DHCP_MESSAGES-')],
[sg.Sizer(4, 0),
sg.Input('', justification='centered', size=(85, 1), disabled=True,
use_readonly_for_disable=True, key='OPT_95')],
# [sg.Text(f'Option 95', font=('Helvetica', 13, 'bold')),
# sg.Input('', disabled=True, use_readonly_for_disable=True, key='OPT_95')], # OPTION_S46_CONT_MAPT (95)
[sg.Text(f'Option 89', font=('Helvetica', 13, 'bold')),
sg.Input('', size=(55, 1), disabled=True, use_readonly_for_disable=True, key='OPT_89')], # OPTION_S46_RULE (89)
[sg.Text('Option 93', font=('Helvetica', 13, 'bold')),
sg.Input('', disabled=True, use_readonly_for_disable=True, key='OPT_93')], # OPTION_S46_PORTPARAMS (93)
[sg.Text(f'Option 91', font=('Helvetica', 13, 'bold')),
sg.Input('', disabled=True, use_readonly_for_disable=True, key='OPT_91')], # OPTION_S46_DMR (91)
# [sg.Button('Generate', key='DHCP_GENERATE')]
]
# sg.Input('', font=('Courier', 15, 'bold'),
# # use_readonly... with disabled creates display field that can be
# # selected and copied with cursor, but not edited (review need for this)
# justification='centered', size=(60, 1), use_readonly_for_disable=True,
# disabled=True, pad=((0, 8), (0, 0)), background_color='#fdfdfc',
# key='-BMR_STRING_DSPLY-'),
# Binary Display (5th frame)
#-------------------------------------#
button_col1 = [
[sg.Button('Example', font='Helvetica 11', key='-EXAMPLE-'),
sg.Button('Clear', font='Helvetica 11', key='-CLEAR-'),
sg.Text('', text_color='red', font='None 14 bold', key='-BTN_MESSAGES-'),
sg.Push(),
# sg.Button('Save', font='Helvetica 11', key=('-SAVE_MAIN-')),
sg.Button('About', font=('Helvetica', 12)),
sg.Button(' Exit ', font=('Helvetica', 12, 'bold'))]
]
button_layout = [
[sg.Column(button_col1, expand_x=True)]
]
# Saved rule string frame (6th frame)
#-------------------------------------#
#MLINE_SAVED = '-MLINE_SAVED-'+sg.WRITE_ONLY_KEY
saved_section_layout = [
[sg.Sizer(h_pixels=3, v_pixels=0),
sg.Multiline(default_text='', size=(81, 8),
font=('Courier', 14, 'bold'), disabled=True, autoscroll=True,
expand_x=True, expand_y=True, pad=(0,0), horizontal_scroll=True,
background_color='#fdfdfc', key='-MLINE_SAVED-'),
sg.Push()]
]
# All Sections
#-------------------------------------#
sections_layout = [
[sg.Frame('', display_layout, expand_x=True, border_width=6,
relief='ridge', element_justification='centered')],
[sg.Frame('Enter or Edit BMR Parameters', editor_layout,
font=('Helvetica', 13, 'bold'), title_location=sg.TITLE_LOCATION_TOP,
expand_x=True, border_width=6, relief='ridge')],
[sg.Frame('', bin_display_layout, expand_x=True, border_width=6,
relief='ridge')],
[sg.Frame('DHCPv6 Options for MAP-T CEs', dhcp_layout,
font=('Helvetica', 13, 'bold'), title_location=sg.TITLE_LOCATION_TOP,
expand_x=True, border_width=6, relief='ridge')],
[sg.Frame('', button_layout, expand_x=True, border_width=6,
relief='ridge')],
[sg.Frame('Saved Rule Strings', saved_section_layout, expand_x=True,
font=('Helvetica', 13, 'bold'), title_location=sg.TITLE_LOCATION_TOP,
border_width=6, relief='ridge')]
]
# Final Layout
# Width 735 allows multiline widths of 83
#-----------------------------------------#
layout = [
[sg.Column(sections_layout, size=(735, None), expand_y=True,
scrollable=True, vertical_scroll_only = True,
sbar_background_color='#D6CFBF', sbar_arrow_color='#09348A',
sbar_relief='solid')]
]
#-------------------------------------------------------------------------#
# Create Main Window
#-------------------------------------------------------------------------#
# Window uses last screen location for next start
# Location is set upon Exit or WINDOW_CLOSE... event
# Width 780 allows Final Layout width of 735
window = sg.Window('IP MAP Calculator', layout, font=windowfont,
enable_close_attempted_event=True,
location=sg.user_settings_get_entry('-location-', (None, None)),
# keep_on_top=False, resizable=True, size=(780, 1150), finalize=True) #(755, 1070)
# keep_on_top=False, resizable=True, size=(780, 1260), finalize=True) #(755, 1070)
keep_on_top=False, resizable=True, size=(780, 1445), finalize=True) #(755, 1070)
# Prevent horizontal window resizing
# window.set_resizable(False, True) # Not available until PySimpleGUI v5
# Formatting for disabled input string fields - applied immediately
#-------------------------------------------------------------------#
window['-BMR_STRING_DSPLY-'].Widget.config(readonlybackground='#fdfdfc',
borderwidth=3, relief='ridge')
window['DMR_INPUT'].Widget.config(readonlybackground='#fdfdfc',
borderwidth=2)
window['OPT_95'].Widget.config(readonlybackground='#fdfdfc',
borderwidth=2)
window['OPT_89'].Widget.config(readonlybackground='#fdfdfc',
borderwidth=2)
window['OPT_93'].Widget.config(readonlybackground='#fdfdfc',
borderwidth=2)
window['OPT_91'].Widget.config(readonlybackground='#fdfdfc',
borderwidth=2)
# Enable "Return" key to trigger Enter event in Rule String field
# Bind events to text fields
window['-STRING_IN-'].bind('<Return>', '_Enter')
window['DMR_INPUT'].bind('<FocusIn>', '_FOCUS')
window['DMR_INPUT'].bind('<Return>', '_Enter')
'''
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'''
#----------------------------------------------------------------------------#
# Calculate Results
#----------------------------------------------------------------------------#
# param_ls contains BMR parameters
# param_ls = [name, v6pfx, v6pfx len, v4pfx, v4pfx len, ealen, psid offset]
# user_pd_obj is "User delegated prefix" received from DHCP
def rule_calc(param_ls, user_pd_obj, v4host = None, portidx = None):
# print('\n********** START rule_calc **************')
'''The rule_calc function accepts a BMR paramater list, an IPv6
user PD (ipaddress object), and an optional port index integer from
a user input or editing option. It calculates the network address results,
formats them for the UI, and enters them into a dictionary for the
UI display function displays_update().
'''
# initial values
#----------------------------------#
psidlen = (param_ls[5] - (32 - param_ls[4])) # ea_len - host_len
bmrpfx_len = param_ls[2]
upd_len = user_pd_obj.prefixlen
# ppusr = 2^(16 - k) - 2^m (per rfc7597) (2^m is # of excluded ports)
# 16 is the number of IP port bits (constant)
# Used for d_dic and other calculations
if param_ls[6] > 0: # Because PSID Offset > 0 excludes some ports
ppusr = (2 ** (16 - psidlen)) - (2 ** (16 - psidlen - param_ls[6]))
else:
ppusr = (2 ** (16 - psidlen))
# If call is from the host slider, update the upd with host bits
# and update v4pfx value in param_ls
if v4host != None:
pdbin = f'{user_pd_obj.network_address:b}'
pdbin_l = pdbin[:param_ls[2]]
pdbin_r = pdbin[param_ls[2] + (32 - last_params[4]) : ]
v4hostbin = bin(v4host)[2:].zfill(32 - param_ls[4])
newpdbin = pdbin_l + v4hostbin + pdbin_r
newpdint = int(newpdbin, 2)
new_upd_add_str = \
ip.IPv6Address(newpdint).compressed + '/' + str(user_pd_obj.prefixlen)
user_pd_obj = ip.IPv6Network(new_upd_add_str)
v4pfxbin = f'{ip.IPv4Address(param_ls[3]):b}'[: int(param_ls[4])]
newv4bin = v4pfxbin + v4hostbin
newv4int = int(newv4bin, 2)
newv4add = ip.IPv4Address(newv4int)
v4str = newv4add.compressed
else:
v4pfxbin = f'{ip.IPv4Address(param_ls[3]):b}'
v4hostbin = f'{user_pd_obj.network_address:b}]'[bmrpfx_len : bmrpfx_len + (32 - param_ls[4])]
v4hostint = int(v4hostbin, 2)
newv4bin = v4pfxbin[:param_ls[4]] + v4hostbin
# window['-V4HOST_SLIDER-'].update(value=0)
newv4add = ip.IPv4Address(int(newv4bin, 2))
v4str = newv4add.compressed
window['-V4HOST_SLIDER-'].update(v4hostint)
#-------------------------------------------------------------------------#
# Binary display strings
#-------------------------------------------------------------------------#
# Sec 1, BMR PD, User PD, and EA Bits data
#--------------------------------------------------#
v6p_hex_exp = ip.IPv6Address(param_ls[1]).exploded # Hex style: 0000:0000:...
v6p_hex_seglst = v6p_hex_exp.split(':')[:4] # ['0000', '0000', ...]
upd_hex_exp = ip.IPv6Address(user_pd_obj.network_address).exploded # 0000:0000:...
upd_hex_seglst = upd_hex_exp.split(':')[:4] # ['0000', '0000', ...]
v6p_bin = f'{ip.IPv6Address(param_ls[1]):b}'[:64] # first 64 bits of pfx
v6p_bin_seglst = [v6p_bin[i:i+16] for i in range(0, 64, 16)]
v6p_bin_fmt = ':'.join(v6p_bin_seglst) + f'::/{bmrpfx_len}'
upd_bin = f'{ip.IPv6Address(user_pd_obj.network_address):b}'[:64]
upd_bin_seglst = [upd_bin[i:i+16] for i in range(0, 64, 16)]
upd_bin_fmt = ':'.join(upd_bin_seglst) + f'::/{upd_len}'
ea_bin_idxl = V6Indices(param_ls[2]) # V6Indices adds # of ":"separators
ea_bin_idxr = V6Indices(upd_len)
ea_bin_fmt = upd_bin_fmt[ea_bin_idxl : ea_bin_idxr]
# Sec 1, User PD (upd) string data
#-----------------------------------#
v4hostbin_len = 32 - param_ls[4]
psid_idxl = param_ls[2] + v4hostbin_len
psid_idxr = param_ls[2] + param_ls[5]
psid = upd_bin[psid_idxl : psid_idxr]
# Generate 16 bit string for Port number
# is PSID > 0?
if param_ls[6] > 0:
psid_ofst_bin = bin(1)[2:].zfill(param_ls[6]) # binary 1 with len = offset
else:
psid_ofst_bin = ''
portrpad_bin = '0' * (16 - param_ls[6] - psidlen) # MAY NEED TO ACCEPT EDITOR VALUES !!!
port_bin = psid_ofst_bin + \
psid + \
portrpad_bin
port_int = str(int(port_bin, 2))
pidx_bin = psid_ofst_bin + portrpad_bin # Port index number binary string
# Sec 1, IPv4 string data
#-----------------------------------#
# v4ip_str = v4str #param_ls[3]
v4_seglst = v4str.split('.')
v4mask = param_ls[4]
# v4_obj = ip.ip_network(v4str + '/' + str(v4mask), strict=False)
# v4_bin = f'{ip.IPv4Address(v4ip_str):b}'
# make segments equal length for display
v4_bin_seglst = [newv4bin[i:i+8] for i in range(0, 32, 8)]
v4_bin_fmt = '.'.join(v4_bin_seglst) + f'/{v4mask}'
for i, seg in enumerate(v4_seglst):
if len(seg) == 3:
pass
elif len(seg) == 2:
v4_seglst[i] = f' {seg}'
elif len(seg) == 1:
v4_seglst[i] = f' {seg} '
# Sec 1, Modify Port string if Port Index (portidx) has been changed
#--------------------------------------------------------------------#
if portidx:
# Initial value of port index
pidx_bin_base = int(pidx_bin, 2)
if portidx == 0:
pass
# Increment val can't exceed max value of idx binary - index initial value
elif portidx < (2 ** len(pidx_bin)) - pidx_bin_base:
pidx_int = int(pidx_bin, 2)
pidx_int = pidx_int + portidx
pidx_bin = bin(pidx_int)[2:].zfill(len(pidx_bin)) # for d_dic
psid_ofst_bin = pidx_bin[: len(psid_ofst_bin)]
portrpad_bin = pidx_bin[len(psid_ofst_bin) :]
port_bin = psid_ofst_bin + psid + portrpad_bin
port_int = int(port_bin, 2) # for d_dic
else:
window['-PD_MESSAGES-'].update('Port index maximum reached')
pidx_bin = "1" * len(pidx_bin)
pidx_int = int(pidx_bin, 2)
psid_ofst_bin = pidx_bin[: len(psid_ofst_bin)]
portrpad_bin = pidx_bin[len(psid_ofst_bin) :]
port_bin = psid_ofst_bin + psid + portrpad_bin
port_int = int(port_bin, 2) # for d_dic
# Binary Section 1
# BMR PD, User PD, and EA Bits dictionary entries
#--------------------------------------------------#
bin_str_dic = {
# 'params_str': (f' --- BMR PD Len /{param_ls[2]},'
# f' with User PD Len /{upd_len}'
# f' = EA Bits Len {param_ls[5]} ---')
'blank1': '',
'v6p_hexstr': (f" BMR PD:{' ' * 8}"
f"{' : '.join(v6p_hex_seglst)}"
f" ::/{bmrpfx_len}"),
'upd_hexstr': (f" User PD:{' ' * 7}"
f"{' : '.join(upd_hex_seglst)}"
f" ::/{upd_len}"),
'bmr_binstr': f' BMR PD: {v6p_bin_fmt}',
'upd_binstr': f' User PD: {upd_bin_fmt}',
'ea_binstr': f' EA Bits: {"." * V6Indices(param_ls[2])}{ea_bin_fmt}',
# IPv4 dictionary entries
#--------------------------------------------------#
'blank2': '',
'v4_intstr': (f" IPv4 Addr: "
f"{' . '.join(v4_seglst)}"
f" /{v4mask}"),
'v4_binstr': f" IPv4 Addr: {v4_bin_fmt}",
# Port and Port Index dictionary entries
#--------------------------------------------------#
'blank3': '',
'portidx': (f' The "PORT INDEX" is PSID-Offset/Right-Padding:'
f' {psid_ofst_bin}-{portrpad_bin}'),
'port_bin': (f' The PORT is PSID-Offset/PSID/Right-Padding: '
f'{psid_ofst_bin}-{psid}-{portrpad_bin}'
f' = Port {port_int}')
}
# Sec 2, User source IPv6 string data
#--------------------------------------------------#
pad1 = ' ' * 6
pad2 = '0' * 16
v6hex_pad = f'{pad1}0000{pad1}'
v4bin_segls = [newv4bin[i:i+16] for i in range(0, 32, 16)]
v4hex_segls = [int(str(x),2) for x in v4bin_segls]
v4hex_segls = [hex(x)[2:].zfill(4) for x in v4hex_segls]
v4hex_segs = f'{pad1}{v4hex_segls[0]}{pad1}:{pad1}{v4hex_segls[1]}{pad1}'
if psid != '':
psid_hex = int(psid,2)
else:
psid_hex = 0
psid_hex = pad1 + hex(psid_hex)[2:].zfill(4)
v6sip_hex_pfx = bin_str_dic['upd_hexstr'][10:78]
v4sip_bin = f'{v4bin_segls[0]}:{v4bin_segls[1]}'
psid_bin = psid.zfill(16)
v6sip_bin = upd_bin_fmt[:68]
# Binary Section 2
# Source IPv6 address dictionary entry
#--------------------------------------------------#
bin_ipstr_dic = {
# 'label_1': (' ' * 23) + '--- User IPv6 Source Address: ---'
'blank_line1': '',
'v6sip_hex_str1': f' [ {v6sip_hex_pfx}',
'v6sip_binstr1': f' [ {v6sip_bin}',
'blank_line2': '',
'v6sip_hex_str2': f' {v6hex_pad}:{v4hex_segs}:{psid_hex} ]:{port_int}',
'v6sip_binstr2': f' {pad2}:{v4sip_bin}:{psid_bin} ]:{port_int}'
}
#-------------------------------------------------------------------------#
# Binary display highlight indices
#-------------------------------------------------------------------------#
# Binary display 1 highlight index data
#---------------------------------------------#
# return index of first character after " BMR PD: "
bmr_pfx_l = next(i for (i, e) in enumerate(bin_str_dic["bmr_binstr"])
if e not in "BMR PD: ")
bmr_pfx_r = bmr_pfx_l + V6Indices(param_ls[2])
v6_pfxlen_l = 79
v6_pfxlen_r = 82
upd_pfx_l = bmr_pfx_r
upd_pfx_r = bmr_pfx_l + V6Indices(upd_len)
upd_binstr_sbnt_l = upd_pfx_r
upd_binstr_sbnt_r = bin_str_dic['upd_binstr'].index('::')
ea_binstr_l = next(i for (i, e) in enumerate(bin_str_dic["ea_binstr"])
if e not in "EA Bits:.")
ea_binstr_r = ea_binstr_l + len(ea_bin_fmt)
# ea_binstr_div is v4host_r and psid_l
ea_binstr_div = bmr_pfx_l + V6Indices(param_ls[2] + v4hostbin_len)
prtidx_ofst_l = 48
prtidx_ofst_r = prtidx_ofst_l + param_ls[6]
prtidx_pad_l = prtidx_ofst_r + 1
prtidx_pad_r = prtidx_pad_l + (16 - param_ls[6] - psidlen)
portbin_ofst_hl_l = 45
portbin_ofst_hl_r = portbin_ofst_hl_l + param_ls[6]
portbin_psid_hl_l = 45 + len(psid_ofst_bin) + 1
portbin_psid_hl_r = portbin_psid_hl_l + psidlen
portbin_pad_hl_l = portbin_psid_hl_r + 1
portbin_pad_hl_r = portbin_pad_hl_l + (16 - param_ls[6] - psidlen)
v4ip_hl_l = 13 + V4Indices(param_ls[4])
v4ip_hl_r = 13 + V4Indices(32)
# Binary display 1 highlight index dictionary
#---------------------------------------------#
# Prepend line number for each highlight index
hl_dic1 = {
'bmr_hl': [f'4.{bmr_pfx_l}', f'4.{bmr_pfx_r}'],
'bmr_len_hl': [f'4.{v6_pfxlen_l}', f'4.{v6_pfxlen_r}'],
'upd_hl': [f'5.{upd_pfx_l}', f'5.{upd_pfx_r}'],
'upd_len_hl': [f'5.{v6_pfxlen_l}', f'5.{v6_pfxlen_r}'],
'sbnt_hl': [f'5.{upd_binstr_sbnt_l}', f'5.{upd_binstr_sbnt_r}'],
'ea_v4_hl': [f'6.{ea_binstr_l}', f'6.{ea_binstr_div}'],
'ea_psid_hl': [f'6.{ea_binstr_div}', f'6.{ea_binstr_r}'],
'v4ip_hl': [f'8.{v4ip_hl_l}', f'8.{v4ip_hl_r}'],
'v4ipbin_hl': [f'9.{v4ip_hl_l}', f'9.{v4ip_hl_r}'],
'prtidx_ofst_hl': [f'11.{prtidx_ofst_l}', f'11.{prtidx_ofst_r}'],
'prtidx_pad_hl': [f'11.{prtidx_pad_l}', f'11.{prtidx_pad_r}'],
'portbin_ofst_hl': [f'12.{portbin_ofst_hl_l}', f'12.{portbin_ofst_hl_r}'],
'portbin_psid_hl': [f'12.{portbin_psid_hl_l}', f'12.{portbin_psid_hl_r}'],
'portbin_pad_hl': [f'12.{portbin_pad_hl_l}', f'12.{portbin_pad_hl_r}']
}
# Binary display 2 highlight index data
#---------------------------------------------#
if bmrpfx_len % 16 == 0: # Prevent highlighting a colon
v4if_l1_l = 5 + (V6Indices(bmrpfx_len)) + 1
else:
v4if_l1_l = 5 + (V6Indices(bmrpfx_len))
v4if_l1_r = 5 + (V6Indices(bmrpfx_len + v4hostbin_len))
psid_l1_l = v4if_l1_r
psid_l1_r = 5 + (V6Indices(bmrpfx_len + v4hostbin_len + psidlen))
v4if_l2_l = 5 + (V6Indices(16 + param_ls[4]))
v4if_l2_r = v4if_l2_l + (32 - param_ls[4])
psid_l2_l = 56 + (16 - psidlen)
psid_l2_r = 72
# Binary display 2 highlight index dictionary
#---------------------------------------------#
# Prepend line number for each highlight index
hl_dic2 = {
'v4if_hl1': [f'3.{v4if_l1_l}', f'3.{v4if_l1_r}'],
'psid_hl1': [f'3.{psid_l1_l}', f'3.{psid_l1_r}'],
'v4if_hl2': [f'6.{v4if_l2_l}', f'6.{v4if_l2_r}'],
'psid_hl2': [f'6.{psid_l2_l}', f'6.{psid_l2_r}']
}
#-------------------------------------------------------------------------#
# Results = Display values dictionary
#-------------------------------------------------------------------------#
d_dic = {
'paramlist': param_ls,
'v4ips': 2 ** v4hostbin_len, # 2^host_bits
'sratio': 2 ** psidlen, # num of unique psids per v4-host address
'users': (2 ** v4hostbin_len) * (2 ** psidlen),
'ppusr': ppusr,
'excl_ports': 65536 - ((2 ** psidlen) * (ppusr)),
'bmr_str': '|'.join([str(x) for x in param_ls]),
'upd_str': user_pd_obj.compressed, # upd_str = User Delegated Prefix (PD)
'ce_ip': v4str,
'port_int': port_int,
'pidx_bin': pidx_bin,
'bin_str_dic': bin_str_dic,
'bin_ipstr_dic': bin_ipstr_dic,
'hl_dic1': hl_dic1,
'hl_dic2': hl_dic2,
'num_excl_ports': 2 ** (16 - param_ls[6])
}
# If v4host is None, clear DHCPv6 fields. If v4host is 0, don't clear
if not v4host and v4host != 0:
clear_dhcp_fields()
displays_update(d_dic, user_pd_obj)
return
'''
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██████ ██ ███████ ██ ███████ ██ ██ ██ ███████
'''
def displays_update(dic, pd_obj):
'''The displays_update function accepts a display values dictionary
and an IPv6 user PD (ipaddress object) from the rule_calc function.
It then updates all affected display fields.
'''
# Initial field updates
#----------------------------------#
# Output BMR results to display
window['-IPS_DSPLY-'].update(dic['v4ips'])
window['-RATIO_DSPLY-'].update(dic['sratio'])
window['-USERS_DSPLY-'].update(dic['users'])
window['-PORTS_DSPLY-'].update(dic['ppusr'])
window['-EXCL_PORTS_DSPLY-'].update(dic['excl_ports'])
window['-BMR_STRING_DSPLY-'].update(dic['bmr_str'])
# Output values to Edit String and Values fields
window['-STRING_IN-'].update(dic['bmr_str'])
for i, element in enumerate(pframe_ls):
window[element].update(dic['paramlist'][i])
# Output User PD, CE IP, and Port to binary string editor
window['-USER_PD-'].update(dic['upd_str'])
window['-USER_IP4-'].update(dic['ce_ip'])
window['-USER_PORT-'].update(dic['port_int'])
window['-SP_INT-'].update(dic['port_int'])
window['-SP_INDEX-'].update(dic['pidx_bin'])
# Binary displays update values and highlights
multiline1: sg.Multiline = window['MLINE_BIN_1']
multiline2: sg.Multiline = window['MLINE_BIN_2']
# Output binary strings to binary string editor
multiline1.update('') # Clear field
for num, bstr in enumerate(dic['bin_str_dic']):
# Don't append \n after last line
multiline1.update(dic['bin_str_dic'][bstr]
+ ('\n' if num < len(dic['bin_str_dic']) -1 else ''), append=True)
multiline2.update('') # Clear field
for num, bstr in enumerate(dic['bin_ipstr_dic']):
# Don't append \n after last line
multiline2.update(dic['bin_ipstr_dic'][bstr]
+ ('\n' if num < len(dic['bin_ipstr_dic']) -1 else ''), append=True)
# Apply highlighting
highlights(multiline1, dic)
highlights(multiline2, dic)
# Output values to binary editor sliders and input fields
window['-V6PFX_LEN_SLDR-'].update(disabled=False)
window['-EA_LEN_SLDR-'].update(disabled=False)
window['-V4PFX_LEN_SLDR-'].update(disabled=False)
window['-PSID_OFST_SLDR-'].update(disabled=False)
window['-V6PFX_LEN_SLDR-'].update(dic['paramlist'][2])
window['-EA_LEN_SLDR-'].update(dic['paramlist'][5])
window['-V4PFX_LEN_SLDR-'].update(dic['paramlist'][4])
window['-PSID_OFST_SLDR-'].update(dic['paramlist'][6])
window['-V4HOST_SLIDER-'].update(range=(0, dic['v4ips'] - 1))
# window['-PORT_SLIDER-'].update(range=(0, (dic['ppusr'] - 1) ))
# window['-PORT_INDEX-'].update('0') #### <<<<--- UPDATE WITH ACTUAL VALUE !!! !!!
return
'''
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██ ██████ ██ ████ ██████ ██ ██ ██████ ██ ████ ███████
'''
#----------------------------------------------------------------------------#
# Classes & Functions
#----------------------------------------------------------------------------#
def highlights(display, dic):
""" Highlighting for binary displays. Called from displays_update() """
widget = display.Widget
# Highlight color option definitions
#-------------------------------------#
widget.tag_config('white', foreground='black', background='#FFFFFF')
widget.tag_config('yellow', foreground='black', background='#FFFF00')
widget.tag_config('new_yellow', foreground='black', background='#F8FF00')
widget.tag_config('burley', foreground='black', background='#FFD39B') # burlywood
widget.tag_config('burley3', foreground='black', background='#CDAA7D') # burlywood3
widget.tag_config('grey49', foreground='black', background='#7D7D7D')
widget.tag_config('sage', foreground='black', background='#C2C9A6')
widget.tag_config('peri', foreground='black', background='#B2CAFA') # periwinkle
widget.tag_config('pink', foreground='black', background='#EDABBF') # cherry blossom pink
widget.tag_config('new_teal', foreground='black', background='#7cdff3') # moonstone
widget.tag_config('lt_purple', foreground='black', background='#D7C1D5')
widget.tag_config('lt_blue1', foreground='black', background='#B3C3D1') # lt blue grey
widget.tag_config('lt_blue2', foreground='black', background='#CCD7E0') # ltr blue grey
widget.tag_config('lt_blue', foreground='black', background='#B2CAFA') # lt blue
widget.tag_config('tan', foreground='black', background='tan')
widget.tag_config('lt_tan', foreground='black', background='#dbcdbd')
widget.tag_config('lt_orange', foreground='black', background='#ffcc99')
widget.tag_config('new_lt_green', foreground='black', background='#c2ebc2')
if display.Key == 'MLINE_BIN_1':
# widget.tag_add('lt_orange', *dic['hl_dic1']['title_hl'])
widget.tag_add('new_lt_green', *dic['hl_dic1']['bmr_hl'])
widget.tag_add('new_lt_green', *dic['hl_dic1']['bmr_len_hl'])
widget.tag_add('new_lt_green', *dic['hl_dic1']['upd_hl'])
widget.tag_add('new_lt_green', *dic['hl_dic1']['upd_len_hl'])
widget.tag_add('grey49', *dic['hl_dic1']['sbnt_hl'])
widget.tag_add('pink', *dic['hl_dic1']['ea_v4_hl'])
widget.tag_add('new_teal', *dic['hl_dic1']['ea_psid_hl'])
widget.tag_add('burley', *dic['hl_dic1']['prtidx_ofst_hl'])
widget.tag_add('yellow', *dic['hl_dic1']['prtidx_pad_hl'])
widget.tag_add('burley', *dic['hl_dic1']['portbin_ofst_hl'])
widget.tag_add('new_teal', *dic['hl_dic1']['portbin_psid_hl'])
widget.tag_add('yellow', *dic['hl_dic1']['portbin_pad_hl'])
widget.tag_add('pink', *dic['hl_dic1']['v4ip_hl'])
widget.tag_add('pink', *dic['hl_dic1']['v4ipbin_hl'])
elif display.Key == 'MLINE_BIN_2':
# widget.tag_add('lt_orange', *dic['hl_dic2']['heading_hl'])
widget.tag_add('pink', *dic['hl_dic2']['v4if_hl1'])
widget.tag_add('new_teal', *dic['hl_dic2']['psid_hl1'])
widget.tag_add('pink', *dic['hl_dic2']['v4if_hl2'])
widget.tag_add('new_teal', *dic['hl_dic2']['psid_hl2'])
return
# Example BMR prefix lists and parameters
#-----------------------------------------#
# param_ls = [name, v6pfx, v6pfx mask, v4pfx, v4pfx mask, ealen, psid offset]
class ExampleParams:
'''Returns a list of example BMR parameters. The Python ipaddress module and
self.rv6blk is used to create an IPv6 class (.subnets) object. New IPv6 BMR
prefixes are pulled from this object until ExampleParams() is called and
last_plist (created in global space by a global function) has been changed.
At this time, a new class instance is created and saved.
'''
def __init__(self):
self.ex_cnt = None
self.last_plist = []
self.rv6plen = 46
self.rv4plen = 24
self.ealen = 14
self.psid_ofst = 6
self.rv6blk = '2001:db8::/32'
self.rv4blk = '192.168.0.0/16'
self.rv6pfx_obj = None
self.rv4pfx_obj = None
def new_params(self):
if self.last_plist:
plist = self.last_plist
plist[0] = 'example_' + str(next(self.ex_cnt) + 1)
plist[1] = next(self.rv6pfx_obj).network_address.compressed
plist[3] = next(self.rv4pfx_obj).network_address.compressed
return(plist)
else:
self.ex_cnt = (i for i in range(16384))
self.rv6pfx_obj = ip.ip_network(self.rv6blk).subnets(
new_prefix = self.rv6plen)
self.rv4pfx_obj = ip.ip_network(self.rv4blk).subnets(
new_prefix = self.rv4plen)
plist = ['example_' + str(next(self.ex_cnt) + 1),
next(self.rv6pfx_obj).network_address.compressed,
self.rv6plen,
next(self.rv4pfx_obj).network_address.compressed,
self.rv4plen,
self.ealen,
self.psid_ofst
]
self.last_plist = plist
return(plist)
class UserPd:
'''Return a User Delegated Prefix (PD|upd) object.
If BMR parameters (last_plist) remains the same, it returns
PD object from current object. If the parameters change,
a new PD object is created.
syntax: x = UserPd(param_ls)
print(x.new_pd())'''
def __init__(self, plist):
self.plist = plist
self.last_plist = []
self.pd_obj = None
self.lastpd = ''
def new_pd(self):
if self.plist == self.last_plist: # Next PD from current PD object
nextpd = next(self.pd_obj)
self.lastpd = nextpd
return nextpd
else: # New PD object & new PD
self.last_plist = self.plist
bmr_v6p = ip.ip_network('/'.join((self.plist[1], str(self.plist[2]))))
pd_len = int(self.plist[2]) + int(self.plist[5])
self.pd_obj = bmr_v6p.subnets(new_prefix = pd_len)
nextpd = next(self.pd_obj)
self.lastpd = nextpd
return nextpd
# "Pad right" when IPv6 prefix not divisible by 8
def find_next_divisible(num):
"""Finds the next higher number evenly divisible by the divisor."""
while True:
if num % 8 == 0:
return num
num += 1
#-------------------------------------------------------------------------#
# DHCPv6 Option String Calculations = Based on RFC7597
#-------------------------------------------------------------------------#
def dhcp_calc(dmr, fmr=False):
rulv6_obj = ip.ip_network(f"{param_ls[1]}/{param_ls[2]}")
rulv6_len = rulv6_obj.prefixlen
rulv4_obj = ip.ip_network(f"{param_ls[3]}/{param_ls[4]}")
rulv4_len = rulv4_obj.prefixlen
# rulv4_host_len = 32 - rulv4_len
ea_bits = int(param_ls[5])