diff options
Diffstat (limited to 'src/op_mode/wireguard.py')
| -rwxr-xr-x | src/op_mode/wireguard.py | 188 |
1 files changed, 118 insertions, 70 deletions
diff --git a/src/op_mode/wireguard.py b/src/op_mode/wireguard.py index 66622c04c..4e93ec6aa 100755 --- a/src/op_mode/wireguard.py +++ b/src/op_mode/wireguard.py @@ -19,91 +19,139 @@ import argparse import os import sys +import shutil import subprocess import syslog as sl + from vyos import ConfigError dir = r'/config/auth/wireguard' -pk = dir + '/private.key' -pub = dir + '/public.key' psk = dir + '/preshared.key' + def check_kmod(): - """ check if kmod is loaded, if not load it """ - if not os.path.exists('/sys/module/wireguard'): - sl.syslog(sl.LOG_NOTICE, "loading wirguard kmod") - if os.system('sudo modprobe wireguard') != 0: - sl.syslog(sl.LOG_ERR, "modprobe wireguard failed") - raise ConfigError("modprobe wireguard failed") - -def generate_keypair(): - """ generates a keypair which is stored in /config/auth/wireguard """ - ret = subprocess.call(['wg genkey | tee ' + pk + '|wg pubkey > ' + pub], shell=True) - if ret != 0: - raise ConfigError("wireguard key-pair generation failed") - else: - sl.syslog(sl.LOG_NOTICE, "new keypair wireguard key generated in " + dir) - -def genkey(): - """ helper function to check, regenerate the keypair """ - old_umask = os.umask(0o077) - if os.path.exists(pk) and os.path.exists(pub): - try: - choice = input("You already have a wireguard key-pair already, do you want to re-generate? [y/n] ") - if choice == 'y' or choice == 'Y': - generate_keypair() - except KeyboardInterrupt: - sys.exit(0) - else: - """ if keypair is bing executed from a running iso """ - if not os.path.exists(dir): - os.umask(old_umask) - subprocess.call(['sudo mkdir -p ' + dir], shell=True) - subprocess.call(['sudo chgrp vyattacfg ' + dir], shell=True) - subprocess.call(['sudo chmod 770 ' + dir], shell=True) - generate_keypair() - os.umask(old_umask) + """ check if kmod is loaded, if not load it """ + if not os.path.exists('/sys/module/wireguard'): + sl.syslog(sl.LOG_NOTICE, "loading wirguard kmod") + if os.system('sudo modprobe wireguard') != 0: + sl.syslog(sl.LOG_ERR, "modprobe wireguard failed") + raise ConfigError("modprobe wireguard failed") -def showkey(key): - """ helper function to show privkey or pubkey """ - if key == "pub": - if os.path.exists(pub): - print ( open(pub).read().strip() ) + +def generate_keypair(pk, pub): + """ generates a keypair which is stored in /config/auth/wireguard """ + old_umask = os.umask(0o027) + ret = subprocess.call( + ['wg genkey | tee ' + pk + '|wg pubkey > ' + pub], shell=True) + if ret != 0: + raise ConfigError("wireguard key-pair generation failed") else: - print("no public key found") + sl.syslog( + sl.LOG_NOTICE, "new keypair wireguard key generated in " + dir) + os.umask(old_umask) - if key == "pk": - if os.path.exists(pk): - print ( open(pk).read().strip() ) + +def genkey(location): + """ helper function to check, regenerate the keypair """ + pk = "{}/private.key".format(location) + pub = "{}/public.key".format(location) + old_umask = os.umask(0o027) + if os.path.exists(pk) and os.path.exists(pub): + try: + choice = input( + "You already have a wireguard key-pair, do you want to re-generate? [y/n] ") + if choice == 'y' or choice == 'Y': + generate_keypair(pk, pub) + except KeyboardInterrupt: + sys.exit(0) else: - print("no private key found") + """ if keypair is bing executed from a running iso """ + if not os.path.exists(location): + subprocess.call(['sudo mkdir -p ' + location], shell=True) + subprocess.call(['sudo chgrp vyattacfg ' + location], shell=True) + subprocess.call(['sudo chmod 750 ' + location], shell=True) + generate_keypair(pk, pub) + os.umask(old_umask) + + +def showkey(key): + """ helper function to show privkey or pubkey """ + if os.path.exists(key): + print (open(key).read().strip()) + else: + print ("{} not found".format(key)) + def genpsk(): - """ generates a preshared key and shows it on stdout, it's stroed only in the config """ - subprocess.call(['wg genpsk'], shell=True) + """ + generates a preshared key and shows it on stdout, + it's stored only in the cli config + """ + + subprocess.call(['wg genpsk'], shell=True) + +def list_key_dirs(): + """ lists all dirs under /config/auth/wireguard """ + if os.path.exists(dir): + nks = next(os.walk(dir))[1] + for nk in nks: + print (nk) + +def del_key_dir(kname): + """ deletes /config/auth/wireguard/<kname> """ + kdir = "{0}/{1}".format(dir,kname) + if not os.path.isdir(kdir): + print ("named keypair {} not found".format(kname)) + return 1 + shutil.rmtree(kdir) + if __name__ == '__main__': - check_kmod() - - parser = argparse.ArgumentParser(description='wireguard key management') - parser.add_argument('--genkey', action="store_true", help='generate key-pair') - parser.add_argument('--showpub', action="store_true", help='shows public key') - parser.add_argument('--showpriv', action="store_true", help='shows private key') - parser.add_argument('--genpsk', action="store_true", help='generates preshared-key') - args = parser.parse_args() - - try: - if args.genkey: - genkey() - if args.showpub: - showkey("pub") - if args.showpriv: - showkey("pk") - if args.genpsk: - genpsk() - - except ConfigError as e: - print(e) - sys.exit(1) + check_kmod() + parser = argparse.ArgumentParser(description='wireguard key management') + parser.add_argument( + '--genkey', action="store_true", help='generate key-pair') + parser.add_argument( + '--showpub', action="store_true", help='shows public key') + parser.add_argument( + '--showpriv', action="store_true", help='shows private key') + parser.add_argument( + '--genpsk', action="store_true", help='generates preshared-key') + parser.add_argument( + '--location', action="store", help='key location within {}'.format(dir)) + parser.add_argument( + '--listkdir', action="store_true", help='lists named keydirectories') + parser.add_argument( + '--delkdir', action="store_true", help='removes named keydirectories') + args = parser.parse_args() + + try: + if args.genkey: + if args.location: + genkey("{0}/{1}".format(dir, args.location)) + else: + genkey("{}/default".format(dir)) + if args.showpub: + if args.location: + showkey("{0}/{1}/public.key".format(dir, args.location)) + else: + showkey("{}/default/public.key".format(dir)) + if args.showpriv: + if args.location: + showkey("{0}/{1}/private.key".format(dir, args.location)) + else: + showkey("{}/default/private.key".format(dir)) + if args.genpsk: + genpsk() + if args.listkdir: + list_key_dirs() + if args.delkdir: + if args.location: + del_key_dir(args.location) + else: + del_key_dir("default") + except ConfigError as e: + print(e) + sys.exit(1) |