diff options
Diffstat (limited to 'src')
-rwxr-xr-x | src/completion/list_bgp_peer_groups.sh | 23 | ||||
-rwxr-xr-x | src/conf_mode/interfaces-tunnel.py | 4 | ||||
-rwxr-xr-x | src/conf_mode/nat66.py | 9 | ||||
-rwxr-xr-x | src/conf_mode/policy-lists.py | 117 | ||||
-rwxr-xr-x | src/conf_mode/protocols_bgp.py | 57 | ||||
-rwxr-xr-x | src/conf_mode/protocols_ospf.py | 61 | ||||
-rwxr-xr-x | src/conf_mode/protocols_static.py | 24 | ||||
-rwxr-xr-x | src/conf_mode/protocols_vrf.py | 72 | ||||
-rwxr-xr-x | src/conf_mode/service_console-server.py | 32 | ||||
-rwxr-xr-x | src/migration-scripts/vrf/1-to-2 | 61 | ||||
-rwxr-xr-x | src/op_mode/ppp-server-ctrl.py | 5 | ||||
-rwxr-xr-x | src/op_mode/show_nat66_rules.py | 74 | ||||
-rwxr-xr-x | src/op_mode/show_nat66_statistics.py | 63 | ||||
-rwxr-xr-x | src/op_mode/show_nat66_translations.py | 204 | ||||
-rwxr-xr-x | src/op_mode/show_nat_rules.py | 74 | ||||
-rwxr-xr-x | src/op_mode/show_nat_statistics.py | 2 | ||||
-rwxr-xr-x | src/services/vyos-configd | 41 |
17 files changed, 800 insertions, 123 deletions
diff --git a/src/completion/list_bgp_peer_groups.sh b/src/completion/list_bgp_peer_groups.sh new file mode 100755 index 000000000..4503d608f --- /dev/null +++ b/src/completion/list_bgp_peer_groups.sh @@ -0,0 +1,23 @@ +#!/bin/sh +# Copyright (C) 2021 VyOS maintainers and contributors +# +# This program is free software; you can redistribute it and/or modify +# it under the terms of the GNU General Public License version 2 or later as +# published by the Free Software Foundation. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program. If not, see <http://www.gnu.org/licenses/>. + +# Return BGP peer-groups from CLI + +declare -a vals +eval "bgp_as=$(cli-shell-api listNodes protocols bgp)" +eval "vals=($(cli-shell-api listNodes protocols bgp $bgp_as peer-group))" + +echo -n ${vals[@]} +exit 0 diff --git a/src/conf_mode/interfaces-tunnel.py b/src/conf_mode/interfaces-tunnel.py index b63312750..cab94a5b0 100755 --- a/src/conf_mode/interfaces-tunnel.py +++ b/src/conf_mode/interfaces-tunnel.py @@ -34,7 +34,7 @@ from vyos.ifconfig import Interface from vyos.ifconfig import TunnelIf from vyos.template import is_ipv4 from vyos.template import is_ipv6 -from vyos.util import get_json_iface_options +from vyos.util import get_interface_config from vyos.util import dict_search from vyos import ConfigError from vyos import airbag @@ -103,7 +103,7 @@ def apply(tunnel): # There is no other solution to destroy and recreate the tunnel. encap = '' remote = '' - tmp = get_json_iface_options(interface) + tmp = get_interface_config(interface) if tmp: encap = dict_search('linkinfo.info_kind', tmp) remote = dict_search('linkinfo.info_data.remote', tmp) diff --git a/src/conf_mode/nat66.py b/src/conf_mode/nat66.py index ce1db316c..e2bd6417d 100755 --- a/src/conf_mode/nat66.py +++ b/src/conf_mode/nat66.py @@ -28,7 +28,6 @@ from vyos.util import cmd from vyos.util import check_kmod from vyos.util import dict_search from vyos.template import is_ipv6 -from vyos.template import is_ip_network from vyos.xml import defaults from vyos import ConfigError from vyos import airbag @@ -80,8 +79,10 @@ def get_config(config=None): if not conf.exists(base): nat['helper_functions'] = 'remove' + nat['pre_ct_ignore'] = get_handler(condensed_json, 'PREROUTING', 'VYATTA_CT_HELPER') nat['pre_ct_conntrack'] = get_handler(condensed_json, 'PREROUTING', 'NAT_CONNTRACK') - nat['out_ct_conntrack'] = get_handler(condensed_json, 'OUTPUT','NAT_CONNTRACK') + nat['out_ct_ignore'] = get_handler(condensed_json, 'OUTPUT', 'VYATTA_CT_HELPER') + nat['out_ct_conntrack'] = get_handler(condensed_json, 'OUTPUT', 'NAT_CONNTRACK') nat['deleted'] = '' return nat @@ -91,8 +92,10 @@ def get_config(config=None): nat['helper_functions'] = 'add' # Retrieve current table handler positions + nat['pre_ct_ignore'] = get_handler(condensed_json, 'PREROUTING', 'VYATTA_CT_IGNORE') nat['pre_ct_conntrack'] = get_handler(condensed_json, 'PREROUTING', 'VYATTA_CT_PREROUTING_HOOK') - nat['out_ct_conntrack'] = get_handler(condensed_json, 'OUTPUT','VYATTA_CT_OUTPUT_HOOK') + nat['out_ct_ignore'] = get_handler(condensed_json, 'OUTPUT', 'VYATTA_CT_IGNORE') + nat['out_ct_conntrack'] = get_handler(condensed_json, 'OUTPUT', 'VYATTA_CT_OUTPUT_HOOK') else: nat['helper_functions'] = 'has' diff --git a/src/conf_mode/policy-lists.py b/src/conf_mode/policy-lists.py new file mode 100755 index 000000000..94a020e7b --- /dev/null +++ b/src/conf_mode/policy-lists.py @@ -0,0 +1,117 @@ +#!/usr/bin/env python3 +# +# Copyright (C) 2021 VyOS maintainers and contributors +# +# This program is free software; you can redistribute it and/or modify +# it under the terms of the GNU General Public License version 2 or later as +# published by the Free Software Foundation. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program. If not, see <http://www.gnu.org/licenses/>. + +import os + +from sys import exit + +from vyos.config import Config +from vyos.configdict import dict_merge +from vyos.template import render +from vyos.template import render_to_string +from vyos.util import call +from vyos.util import dict_search +from vyos import ConfigError +from vyos import frr +from vyos import airbag +from pprint import pprint +airbag.enable() + +config_file = r'/tmp/policy.frr' +frr_daemon = 'zebra' + +DEBUG = os.path.exists('/tmp/policy.debug') +if DEBUG: + import logging + lg = logging.getLogger("vyos.frr") + lg.setLevel(logging.DEBUG) + ch = logging.StreamHandler() + lg.addHandler(ch) + +def get_config(config=None): + if config: + conf = config + else: + conf = Config() + base = ['npolicy'] + policy = conf.get_config_dict(base, key_mangling=('-', '_')) + + # Bail out early if configuration tree does not exist + if not conf.exists(base): + return policy + + pprint(policy) + exit(1) + return policy + +def verify(policy): + if not policy: + return None + + return None + +def generate(policy): + if not policy: + policy['new_frr_config'] = '' + return None + + # render(config) not needed, its only for debug + # render(config_file, 'frr/policy.frr.tmpl', policy) + # policy['new_frr_config'] = render_to_string('frr/policy.frr.tmpl') + + return None + +def apply(policy): + # Save original configuration prior to starting any commit actions + # frr_cfg = frr.FRRConfig() + # frr_cfg.load_configuration(frr_daemon) + # frr_cfg.modify_section(f'ip', '') + # frr_cfg.add_before(r'(line vty)', policy['new_frr_config']) + + # Debugging + if DEBUG: + from pprint import pprint + print('') + print('--------- DEBUGGING ----------') + pprint(dir(frr_cfg)) + print('Existing config:\n') + for line in frr_cfg.original_config: + print(line) + print(f'Replacement config:\n') + print(f'{policy["new_frr_config"]}') + print(f'Modified config:\n') + print(f'{frr_cfg}') + + # frr_cfg.commit_configuration(frr_daemon) + + # If FRR config is blank, rerun the blank commit x times due to frr-reload + # behavior/bug not properly clearing out on one commit. + # if policy['new_frr_config'] == '': + # for a in range(5): + # frr_cfg.commit_configuration(frr_daemon) + + + return None + +if __name__ == '__main__': + try: + c = get_config() + verify(c) + generate(c) + apply(c) + except ConfigError as e: + print(e) + exit(1) diff --git a/src/conf_mode/protocols_bgp.py b/src/conf_mode/protocols_bgp.py index 7dede74a1..d5cc169c2 100755 --- a/src/conf_mode/protocols_bgp.py +++ b/src/conf_mode/protocols_bgp.py @@ -17,6 +17,7 @@ import os from sys import exit +from sys import argv from vyos.config import Config from vyos.configdict import dict_merge @@ -37,11 +38,24 @@ def get_config(config=None): conf = config else: conf = Config() - base = ['protocols', 'bgp'] + + vrf = None + if len(argv) > 1: + vrf = argv[1] + + base_path = ['protocols', 'bgp'] + + # eqivalent of the C foo ? 'a' : 'b' statement + base = vrf and ['vrf', 'name', vrf, 'protocols', 'bgp'] or base_path bgp = conf.get_config_dict(base, key_mangling=('-', '_'), get_first_key=True) - # Bail out early if configuration tree does not exist + # Assign the name of our VRF context. This MUST be done before the return + # statement below, else on deletion we will delete the default instance + # instead of the VRF instance. + if vrf: bgp.update({'vrf' : vrf}) + if not conf.exists(base): + bgp.update({'deleted' : ''}) return bgp # We also need some additional information from the config, @@ -80,11 +94,20 @@ def verify(bgp): if not bgp: return None - # Check if declared more than one ASN - if len(bgp) > 1: - raise ConfigError('Only one BGP AS number can be defined!') + # FRR bgpd only supports one Autonomous System Number, verify this! + asn = 0 + for key in bgp: + if key.isnumeric(): + asn +=1 + if asn > 1: + raise ConfigError('Only one BGP AS number can be defined!') for asn, asn_config in bgp.items(): + # Workaround for https://phabricator.vyos.net/T1711 + # We also have a vrf, and deleted key now - so we can only veriy "numbers" + if not asn.isnumeric(): + continue + # Common verification for both peer-group and neighbor statements for neighbor in ['neighbor', 'peer_group']: # bail out early if there is no neighbor or peer-group statement @@ -166,16 +189,18 @@ def verify(bgp): # we can not use dict_search() here as prefix contains dots ... if 'peer_group' not in asn_config['listen']['range'][prefix]: raise ConfigError(f'Listen range for prefix "{prefix}" has no peer group configured.') - else: - peer_group = asn_config['listen']['range'][prefix]['peer_group'] - # the peer group must also exist - if not dict_search(f'peer_group.{peer_group}', asn_config): - raise ConfigError(f'Peer-group "{peer_group}" for listen range "{prefix}" does not exist!') + + peer_group = asn_config['listen']['range'][prefix]['peer_group'] + if 'peer_group' not in asn_config or peer_group not in asn_config['peer_group']: + raise ConfigError(f'Peer-group "{peer_group}" for listen range "{prefix}" does not exist!') + + if not verify_remote_as(asn_config['listen']['range'][prefix], asn_config): + raise ConfigError(f'Peer-group "{peer_group}" requires remote-as to be set!') return None def generate(bgp): - if not bgp: + if not bgp or 'deleted' in bgp: bgp['new_frr_config'] = '' return None @@ -183,6 +208,8 @@ def generate(bgp): # of the config dict asn = list(bgp.keys())[0] bgp[asn]['asn'] = asn + if 'vrf' in bgp: + bgp[asn]['vrf'] = bgp['vrf'] bgp['new_frr_config'] = render_to_string('frr/bgp.frr.tmpl', bgp[asn]) return None @@ -191,7 +218,13 @@ def apply(bgp): # Save original configuration prior to starting any commit actions frr_cfg = frr.FRRConfig() frr_cfg.load_configuration(frr_daemon) - frr_cfg.modify_section(f'^router bgp \d+$', '') + + if 'vrf' in bgp: + vrf = bgp['vrf'] + frr_cfg.modify_section(f'^router bgp \d+ vrf {vrf}$', '') + else: + frr_cfg.modify_section('^router bgp \d+$', '') + frr_cfg.add_before(r'(ip prefix-list .*|route-map .*|line vty)', bgp['new_frr_config']) frr_cfg.commit_configuration(frr_daemon) diff --git a/src/conf_mode/protocols_ospf.py b/src/conf_mode/protocols_ospf.py index aefe7c23e..ef2aeda7f 100755 --- a/src/conf_mode/protocols_ospf.py +++ b/src/conf_mode/protocols_ospf.py @@ -17,14 +17,17 @@ import os from sys import exit +from sys import argv from vyos.config import Config from vyos.configdict import dict_merge +from vyos.configdict import node_changed from vyos.configverify import verify_route_maps from vyos.configverify import verify_interface_exists from vyos.template import render_to_string from vyos.util import call from vyos.util import dict_search +from vyos.util import get_interface_config from vyos.xml import defaults from vyos import ConfigError from vyos import frr @@ -38,16 +41,33 @@ def get_config(config=None): conf = config else: conf = Config() - base = ['protocols', 'ospf'] + + vrf = None + if len(argv) > 1: + vrf = argv[1] + + base_path = ['protocols', 'ospf'] + + # eqivalent of the C foo ? 'a' : 'b' statement + base = vrf and ['vrf', 'name', vrf, 'protocols', 'ospf'] or base_path ospf = conf.get_config_dict(base, key_mangling=('-', '_'), get_first_key=True) + # Assign the name of our VRF context. This MUST be done before the return + # statement below, else on deletion we will delete the default instance + # instead of the VRF instance. + if vrf: ospf['vrf'] = vrf + # Bail out early if configuration tree does not exist if not conf.exists(base): + ospf.update({'deleted' : ''}) return ospf # We have gathered the dict representation of the CLI, but there are default # options which we need to update into the dictionary retrived. - default_values = defaults(base) + # XXX: Note that we can not call defaults(base), as defaults does not work + # on an instance of a tag node. As we use the exact same CLI definition for + # both the non-vrf and vrf version this is absolutely safe! + default_values = defaults(base_path) # We have to cleanup the default dict, as default values could enable features # which are not explicitly enabled on the CLI. Example: default-information @@ -99,6 +119,14 @@ def get_config(config=None): ospf['interface'][interface] = dict_merge(default_values, ospf['interface'][interface]) + # As we no re-use this Python handler for both VRF and non VRF instances for + # OSPF we need to find out if any interfaces changed so properly adjust + # the FRR configuration and not by acctident change interfaces from a + # different VRF. + interfaces_removed = node_changed(conf, base + ['interface']) + if interfaces_removed: + ospf['interface_removed'] = list(interfaces_removed) + # We also need some additional information from the config, prefix-lists # and route-maps for instance. They will be used in verify() base = ['policy'] @@ -121,12 +149,22 @@ def verify(ospf): # time. FRR will only activate the last option set via CLI. if {'hello_multiplier', 'dead_interval'} <= set(ospf['interface'][interface]): raise ConfigError(f'Can not use hello-multiplier and dead-interval ' \ - f'concurrently for "{interface}"!') + f'concurrently for {interface}!') + + if 'vrf' in ospf: + # If interface specific options are set, we must ensure that the + # interface is bound to our requesting VRF. Due to the VyOS/Vyatta + # priorities the interface is bound to the VRF after creation of + # the VRF itself, and before any routing protocol is configured. + vrf = ospf['vrf'] + tmp = get_interface_config(interface) + if 'master' not in tmp or tmp['master'] != vrf: + raise ConfigError(f'Interface {interface} is not a member of VRF {vrf}!') return None def generate(ospf): - if not ospf: + if not ospf or 'deleted' in ospf: ospf['new_frr_config'] = '' return None @@ -137,8 +175,19 @@ def apply(ospf): # Save original configuration prior to starting any commit actions frr_cfg = frr.FRRConfig() frr_cfg.load_configuration(frr_daemon) - frr_cfg.modify_section(r'^interface \S+', '') - frr_cfg.modify_section('^router ospf$', '') + + if 'vrf' in ospf: + vrf = ospf['vrf'] + frr_cfg.modify_section(f'^router ospf vrf {vrf}$', '') + else: + frr_cfg.modify_section('^router ospf$', '') + + for key in ['interface', 'interface_removed']: + if key not in ospf: + continue + for interface in ospf[key]: + frr_cfg.modify_section(f'^interface {interface}$', '') + frr_cfg.add_before(r'(ip prefix-list .*|route-map .*|line vty)', ospf['new_frr_config']) frr_cfg.commit_configuration(frr_daemon) diff --git a/src/conf_mode/protocols_static.py b/src/conf_mode/protocols_static.py index 5d101b33e..51b4acfc8 100755 --- a/src/conf_mode/protocols_static.py +++ b/src/conf_mode/protocols_static.py @@ -17,6 +17,7 @@ import os from sys import exit +from sys import argv from vyos.config import Config from vyos.template import render_to_string @@ -34,8 +35,19 @@ def get_config(config=None): conf = config else: conf = Config() - base = ['protocols', 'static'] + + vrf = None + if len(argv) > 1: + vrf = argv[1] + + base_path = ['protocols', 'static'] + # eqivalent of the C foo ? 'a' : 'b' statement + base = vrf and ['vrf', 'name', vrf, 'protocols', 'static'] or base_path static = conf.get_config_dict(base, key_mangling=('-', '_'), get_first_key=True) + + # Assign the name of our VRF context + if vrf: static['vrf'] = vrf + return static def verify(static): @@ -50,8 +62,14 @@ def apply(static): # Save original configuration prior to starting any commit actions frr_cfg = frr.FRRConfig() frr_cfg.load_configuration(frr_daemon) - frr_cfg.modify_section(r'^ip route .*', '') - frr_cfg.modify_section(r'^ipv6 route .*', '') + + if 'vrf' in static: + vrf = static['vrf'] + frr_cfg.modify_section(f'^vrf {vrf}$', '') + else: + frr_cfg.modify_section(r'^ip route .*', '') + frr_cfg.modify_section(r'^ipv6 route .*', '') + frr_cfg.add_before(r'(interface .*|line vty)', static['new_frr_config']) frr_cfg.commit_configuration(frr_daemon) diff --git a/src/conf_mode/protocols_vrf.py b/src/conf_mode/protocols_vrf.py deleted file mode 100755 index 227e7d5e1..000000000 --- a/src/conf_mode/protocols_vrf.py +++ /dev/null @@ -1,72 +0,0 @@ -#!/usr/bin/env python3 -# -# Copyright (C) 2021 VyOS maintainers and contributors -# -# This program is free software; you can redistribute it and/or modify -# it under the terms of the GNU General Public License version 2 or later as -# published by the Free Software Foundation. -# -# This program is distributed in the hope that it will be useful, -# but WITHOUT ANY WARRANTY; without even the implied warranty of -# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -# GNU General Public License for more details. -# -# You should have received a copy of the GNU General Public License -# along with this program. If not, see <http://www.gnu.org/licenses/>. - -import os - -from sys import exit - -from vyos.config import Config -from vyos.template import render_to_string -from vyos.util import call -from vyos import ConfigError -from vyos import frr -from vyos import airbag -airbag.enable() - -frr_daemon = 'staticd' - -def get_config(config=None): - if config: - conf = config - else: - conf = Config() - base = ['protocols', 'vrf'] - vrf = conf.get_config_dict(base, key_mangling=('-', '_')) - return vrf - -def verify(vrf): - - return None - -def generate(vrf): - vrf['new_frr_config'] = render_to_string('frr/vrf.frr.tmpl', vrf) - return None - -def apply(vrf): - # Save original configuration prior to starting any commit actions - frr_cfg = frr.FRRConfig() - frr_cfg.load_configuration(frr_daemon) - frr_cfg.modify_section(r'vrf \S+', '') - frr_cfg.add_before(r'(ip prefix-list .*|route-map .*|line vty)', vrf['new_frr_config']) - frr_cfg.commit_configuration(frr_daemon) - - # If FRR config is blank, rerun the blank commit x times due to frr-reload - # behavior/bug not properly clearing out on one commit. - if vrf['new_frr_config'] == '': - for a in range(5): - frr_cfg.commit_configuration(frr_daemon) - - return None - -if __name__ == '__main__': - try: - c = get_config() - verify(c) - generate(c) - apply(c) - except ConfigError as e: - print(e) - exit(1) diff --git a/src/conf_mode/service_console-server.py b/src/conf_mode/service_console-server.py index 6e94a19ae..51050e702 100755 --- a/src/conf_mode/service_console-server.py +++ b/src/conf_mode/service_console-server.py @@ -1,6 +1,6 @@ #!/usr/bin/env python3 # -# Copyright (C) 2018-2020 VyOS maintainers and contributors +# Copyright (C) 2018-2021 VyOS maintainers and contributors # # This program is free software; you can redistribute it and/or modify # it under the terms of the GNU General Public License version 2 or later as @@ -17,6 +17,7 @@ import os from sys import exit +from psutil import process_iter from vyos.config import Config from vyos.configdict import dict_merge @@ -60,14 +61,19 @@ def verify(proxy): if not proxy: return None + processes = process_iter(['name', 'cmdline']) if 'device' in proxy: - for device in proxy['device']: - if 'speed' not in proxy['device'][device]: - raise ConfigError(f'Serial port speed must be defined for "{device}"!') + for device, device_config in proxy['device'].items(): + for process in processes: + if 'agetty' in process.name() and device in process.cmdline(): + raise ConfigError(f'Port "{device}" already provides a '\ + 'console used by "system console"!') + + if 'speed' not in device_config: + raise ConfigError(f'Port "{device}" requires speed to be set!') - if 'ssh' in proxy['device'][device]: - if 'port' not in proxy['device'][device]['ssh']: - raise ConfigError(f'SSH port must be defined for "{device}"!') + if 'ssh' in device_config and 'port' not in device_config['ssh']: + raise ConfigError(f'Port "{device}" requires SSH port to be set!') return None @@ -77,13 +83,13 @@ def generate(proxy): render(config_file, 'conserver/conserver.conf.tmpl', proxy) if 'device' in proxy: - for device in proxy['device']: - if 'ssh' not in proxy['device'][device]: + for device, device_config in proxy['device'].items(): + if 'ssh' not in device_config: continue tmp = { 'device' : device, - 'port' : proxy['device'][device]['ssh']['port'], + 'port' : device_config['ssh']['port'], } render(dropbear_systemd_file.format(**tmp), 'conserver/dropbear@.service.tmpl', tmp) @@ -102,10 +108,10 @@ def apply(proxy): call('systemctl restart conserver-server.service') if 'device' in proxy: - for device in proxy['device']: - if 'ssh' not in proxy['device'][device]: + for device, device_config in proxy['device'].items(): + if 'ssh' not in device_config: continue - port = proxy['device'][device]['ssh']['port'] + port = device_config['ssh']['port'] call(f'systemctl restart dropbear@{port}.service') return None diff --git a/src/migration-scripts/vrf/1-to-2 b/src/migration-scripts/vrf/1-to-2 new file mode 100755 index 000000000..20128e957 --- /dev/null +++ b/src/migration-scripts/vrf/1-to-2 @@ -0,0 +1,61 @@ +#!/usr/bin/env python3 +# +# Copyright (C) 2021 VyOS maintainers and contributors +# +# This program is free software; you can redistribute it and/or modify +# it under the terms of the GNU General Public License version 2 or later as +# published by the Free Software Foundation. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program. If not, see <http://www.gnu.org/licenses/>. + +# - T3344: migrate routing options from "protocols vrf" to "vrf <name> protocols" + +from sys import argv +from sys import exit +from vyos.configtree import ConfigTree + +if (len(argv) < 2): + print("Must specify file name!") + exit(1) + +file_name = argv[1] + +with open(file_name, 'r') as f: + config_file = f.read() + +base = ['protocols', 'vrf'] +config = ConfigTree(config_file) + +if not config.exists(base): + # Nothing to do + exit(0) + +vrf_base = ['vrf', 'name'] +config.set(vrf_base) +config.set_tag(vrf_base) + +# Copy all existing static routes to the new base node under "vrf name <name> protocols static" +for vrf in config.list_nodes(base): + static_base = base + [vrf, 'static'] + if not config.exists(static_base): + continue + + new_static_base = vrf_base + [vrf, 'protocols'] + config.set(new_static_base) + config.copy(static_base, new_static_base + ['static']) + +# Now delete the old configuration +config.delete(base) + +try: + with open(file_name, 'w') as f: + f.write(config.to_string()) +except OSError as e: + print("Failed to save the modified config: {}".format(e)) + exit(1) diff --git a/src/op_mode/ppp-server-ctrl.py b/src/op_mode/ppp-server-ctrl.py index 171107b4a..8a4e846b2 100755 --- a/src/op_mode/ppp-server-ctrl.py +++ b/src/op_mode/ppp-server-ctrl.py @@ -59,7 +59,10 @@ def main(): output, err = popen(cmd_dict['cmd_base'].format(cmd_dict['vpn_types'][args.proto]) + args.action + ses_pattern, stderr=DEVNULL, decode='utf-8') if not err: - print(output) + try: + print(output) + except BrokenPipeError: + sys.exit(0) else: print("{} server is not running".format(args.proto)) diff --git a/src/op_mode/show_nat66_rules.py b/src/op_mode/show_nat66_rules.py new file mode 100755 index 000000000..cbab2d03b --- /dev/null +++ b/src/op_mode/show_nat66_rules.py @@ -0,0 +1,74 @@ +#!/usr/bin/env python3 +# +# Copyright (C) 2021 VyOS maintainers and contributors +# +# This program is free software; you can redistribute it and/or modify +# it under the terms of the GNU General Public License version 2 or later as +# published by the Free Software Foundation. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program. If not, see <http://www.gnu.org/licenses/>. + +import jmespath +import json + +from argparse import ArgumentParser +from jinja2 import Template +from sys import exit +from vyos.util import cmd +from vyos.util import dict_search + +parser = ArgumentParser() +group = parser.add_mutually_exclusive_group() +group.add_argument("--source", help="Show statistics for configured source NAT rules", action="store_true") +group.add_argument("--destination", help="Show statistics for configured destination NAT rules", action="store_true") +args = parser.parse_args() + +if args.source or args.destination: + tmp = cmd('sudo nft -j list table ip6 nat') + tmp = json.loads(tmp) + + format_nat66_rule = '%-10s %-50s %-50s %-10s' + print(format_nat66_rule % ("Rule", "Source" if args.source else "Destination", "Translation", "Outbound Interface" if args.source else "Inbound Interface")) + print(format_nat66_rule % ("----", "------" if args.source else "-----------", "-----------", "------------------" if args.source else "-----------------")) + + data_json = jmespath.search('nftables[?rule].rule[?chain]', tmp) + for idx in range(0, len(data_json)): + data = data_json[idx] + comment = data['comment'] + chain = data['chain'] + if not (args.source and chain == 'POSTROUTING') or (not args.source and chain == 'PREROUTING'): + exit(0) + interface = dict_search('match.right', data['expr'][0]) + srcdest = dict_search('match.right.prefix.addr', data['expr'][2]) + if srcdest: + addr_tmp = dict_search('match.right.prefix.len', data['expr'][2]) + if addr_tmp: + srcdest = srcdest + '/' + str(addr_tmp) + else: + srcdest = dict_search('match.right', data['expr'][2]) + tran_addr = dict_search('snat.addr.prefix.addr' if args.source else 'dnat.addr.prefix.addr', data['expr'][3]) + if tran_addr: + addr_tmp = dict_search('snat.addr.prefix.len' if args.source else 'dnat.addr.prefix.len', data['expr'][3]) + if addr_tmp: + srcdest = srcdest + '/' + str(addr_tmp) + else: + if 'masquerade' in data['expr'][3]: + tran_addr = 'masquerade' + elif 'log' in data['expr'][3]: + continue + else: + tran_addr = dict_search('snat.addr' if args.source else 'dnat.addr', data['expr'][3]) + + print(format_nat66_rule % (comment, srcdest, tran_addr, interface)) + + exit(0) +else: + parser.print_help() + exit(1) + diff --git a/src/op_mode/show_nat66_statistics.py b/src/op_mode/show_nat66_statistics.py new file mode 100755 index 000000000..0f0b05978 --- /dev/null +++ b/src/op_mode/show_nat66_statistics.py @@ -0,0 +1,63 @@ +#!/usr/bin/env python3 +# +# Copyright (C) 2018 VyOS maintainers and contributors +# +# This program is free software; you can redistribute it and/or modify +# it under the terms of the GNU General Public License version 2 or later as +# published by the Free Software Foundation. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program. If not, see <http://www.gnu.org/licenses/>. + +import jmespath +import json + +from argparse import ArgumentParser +from jinja2 import Template +from sys import exit +from vyos.util import cmd + +OUT_TMPL_SRC=""" +rule pkts bytes interface +---- ---- ----- --------- +{% for r in output %} +{% if r.comment %} +{% set packets = r.counter.packets %} +{% set bytes = r.counter.bytes %} +{% set interface = r.interface %} +{# remove rule comment prefix #} +{% set comment = r.comment | replace('SRC-NAT-', '') | replace('DST-NAT-', '') | replace(' tcp_udp', '') %} +{{ "%-4s" | format(comment) }} {{ "%9s" | format(packets) }} {{ "%12s" | format(bytes) }} {{ interface }} +{% endif %} +{% endfor %} +""" + +parser = ArgumentParser() +group = parser.add_mutually_exclusive_group() +group.add_argument("--source", help="Show statistics for configured source NAT rules", action="store_true") +group.add_argument("--destination", help="Show statistics for configured destination NAT rules", action="store_true") +args = parser.parse_args() + +if args.source or args.destination: + tmp = cmd('sudo nft -j list table ip6 nat') + tmp = json.loads(tmp) + + source = r"nftables[?rule.chain=='POSTROUTING'].rule.{chain: chain, handle: handle, comment: comment, counter: expr[].counter | [0], interface: expr[].match.right | [0] }" + destination = r"nftables[?rule.chain=='PREROUTING'].rule.{chain: chain, handle: handle, comment: comment, counter: expr[].counter | [0], interface: expr[].match.right | [0] }" + data = { + 'output' : jmespath.search(source if args.source else destination, tmp), + 'direction' : 'source' if args.source else 'destination' + } + + tmpl = Template(OUT_TMPL_SRC, lstrip_blocks=True) + print(tmpl.render(data)) + exit(0) +else: + parser.print_help() + exit(1) + diff --git a/src/op_mode/show_nat66_translations.py b/src/op_mode/show_nat66_translations.py new file mode 100755 index 000000000..045d64065 --- /dev/null +++ b/src/op_mode/show_nat66_translations.py @@ -0,0 +1,204 @@ +#!/usr/bin/env python3 +# +# Copyright (C) 2020 VyOS maintainers and contributors +# +# This program is free software; you can redistribute it and/or modify +# it under the terms of the GNU General Public License version 2 or later as +# published by the Free Software Foundation. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program. If not, see <http://www.gnu.org/licenses/>. + +''' +show nat translations +''' + +import os +import sys +import ipaddress +import argparse +import xmltodict + +from vyos.util import popen +from vyos.util import DEVNULL + +conntrack = '/usr/sbin/conntrack' + +verbose_format = "%-20s %-18s %-20s %-18s" +normal_format = "%-20s %-20s %-4s %-8s %s" + + +def headers(verbose, pipe): + if verbose: + return verbose_format % ('Pre-NAT src', 'Pre-NAT dst', 'Post-NAT src', 'Post-NAT dst') + return normal_format % ('Pre-NAT', 'Post-NAT', 'Prot', 'Timeout', 'Type' if pipe else '') + + +def command(srcdest, proto, ipaddr): + command = f'{conntrack} -o xml -L -f ipv6' + + if proto: + command += f' -p {proto}' + + if srcdest == 'source': + command += ' -n' + if ipaddr: + command += f' --orig-src {ipaddr}' + if srcdest == 'destination': + command += ' -g' + if ipaddr: + command += f' --orig-dst {ipaddr}' + + return command + + +def run(command): + xml, code = popen(command,stderr=DEVNULL) + if code: + sys.exit('conntrack failed') + return xml + + +def content(xmlfile): + xml = '' + with open(xmlfile,'r') as r: + xml += r.read() + return xml + + +def pipe(): + xml = '' + while True: + line = sys.stdin.readline() + xml += line + if '</conntrack>' in line: + break + + sys.stdin = open('/dev/tty') + return xml + + +def process(data, stats, protocol, pipe, verbose, flowtype=''): + if not data: + return + + parsed = xmltodict.parse(data) + + print(headers(verbose, pipe)) + + # to help the linter to detect typos + ORIGINAL = 'original' + REPLY = 'reply' + INDEPENDANT = 'independent' + SPORT = 'sport' + DPORT = 'dport' + SRC = 'src' + DST = 'dst' + + for rule in parsed['conntrack']['flow']: + src, dst, sport, dport, proto = {}, {}, {}, {}, {} + packet_count, byte_count = {}, {} + timeout, use = 0, 0 + + rule_type = rule.get('type', '') + + for meta in rule['meta']: + # print(meta) + direction = meta['@direction'] + + if direction in (ORIGINAL, REPLY): + if 'layer3' in meta: + l3 = meta['layer3'] + src[direction] = l3[SRC] + dst[direction] = l3[DST] + + if 'layer4' in meta: + l4 = meta['layer4'] + sp = l4.get(SPORT, '') + dp = l4.get(DPORT, '') + if sp: + sport[direction] = sp + if dp: + dport[direction] = dp + proto[direction] = l4.get('@protoname','') + + if stats and 'counters' in meta: + packet_count[direction] = meta['packets'] + byte_count[direction] = meta['bytes'] + continue + + if direction == INDEPENDANT: + timeout = meta['timeout'] + use = meta['use'] + continue + + in_src = '%s:%s' % (src[ORIGINAL], sport[ORIGINAL]) if ORIGINAL in sport else src[ORIGINAL] + in_dst = '%s:%s' % (dst[ORIGINAL], dport[ORIGINAL]) if ORIGINAL in dport else dst[ORIGINAL] + + # inverted the the perl code !!? + out_dst = '%s:%s' % (dst[REPLY], dport[REPLY]) if REPLY in dport else dst[REPLY] + out_src = '%s:%s' % (src[REPLY], sport[REPLY]) if REPLY in sport else src[REPLY] + + if flowtype == 'source': + v = ORIGINAL in sport and REPLY in dport + f = '%s:%s' % (src[ORIGINAL], sport[ORIGINAL]) if v else src[ORIGINAL] + t = '%s:%s' % (dst[REPLY], dport[REPLY]) if v else dst[REPLY] + else: + v = ORIGINAL in dport and REPLY in sport + f = '%s:%s' % (dst[ORIGINAL], dport[ORIGINAL]) if v else dst[ORIGINAL] + t = '%s:%s' % (src[REPLY], sport[REPLY]) if v else src[REPLY] + + # Thomas: I do not believe proto should be an option + p = proto.get('original', '') + if protocol and p != protocol: + continue + + if verbose: + msg = verbose_format % (in_src, in_dst, out_dst, out_src) + p = f'{p}: ' if p else '' + msg += f'\n {p}{f} ==> {t}' + msg += f' timeout: {timeout}' if timeout else '' + msg += f' use: {use} ' if use else '' + msg += f' type: {rule_type}' if rule_type else '' + print(msg) + else: + print(normal_format % (f, t, p, timeout, rule_type if rule_type else '')) + + if stats: + for direction in ('original', 'reply'): + if direction in packet_count: + print(' %-8s: packets %s, bytes %s' % direction, packet_count[direction], byte_count[direction]) + + +def main(): + parser = argparse.ArgumentParser(description=sys.modules[__name__].__doc__) + parser.add_argument('--verbose', help='provide more details about the flows', action='store_true') + parser.add_argument('--proto', help='filter by protocol', default='', type=str) + parser.add_argument('--file', help='read the conntrack xml from a file', type=str) + parser.add_argument('--stats', help='add usage statistics', action='store_true') + parser.add_argument('--type', help='NAT type (source, destination)', required=True, type=str) + parser.add_argument('--ipaddr', help='source ip address to filter on', type=ipaddress.ip_address) + parser.add_argument('--pipe', help='read conntrack xml data from stdin', action='store_true') + + arg = parser.parse_args() + + if arg.type not in ('source', 'destination'): + sys.exit('Unknown NAT type!') + + if arg.pipe: + process(pipe(), arg.stats, arg.proto, arg.pipe, arg.verbose, arg.type) + elif arg.file: + process(content(arg.file), arg.stats, arg.proto, arg.pipe, arg.verbose, arg.type) + else: + try: + process(run(command(arg.type, arg.proto, arg.ipaddr)), arg.stats, arg.proto, arg.pipe, arg.verbose, arg.type) + except: + pass + +if __name__ == '__main__': + main() diff --git a/src/op_mode/show_nat_rules.py b/src/op_mode/show_nat_rules.py new file mode 100755 index 000000000..0ddb7ddd4 --- /dev/null +++ b/src/op_mode/show_nat_rules.py @@ -0,0 +1,74 @@ +#!/usr/bin/env python3 +# +# Copyright (C) 2021 VyOS maintainers and contributors +# +# This program is free software; you can redistribute it and/or modify +# it under the terms of the GNU General Public License version 2 or later as +# published by the Free Software Foundation. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program. If not, see <http://www.gnu.org/licenses/>. + +import jmespath +import json + +from argparse import ArgumentParser +from jinja2 import Template +from sys import exit +from vyos.util import cmd +from vyos.util import dict_search + +parser = ArgumentParser() +group = parser.add_mutually_exclusive_group() +group.add_argument("--source", help="Show statistics for configured source NAT rules", action="store_true") +group.add_argument("--destination", help="Show statistics for configured destination NAT rules", action="store_true") +args = parser.parse_args() + +if args.source or args.destination: + tmp = cmd('sudo nft -j list table ip nat') + tmp = json.loads(tmp) + + format_nat66_rule = '%-10s %-50s %-50s %-10s' + print(format_nat66_rule % ("Rule", "Source" if args.source else "Destination", "Translation", "Outbound Interface" if args.source else "Inbound Interface")) + print(format_nat66_rule % ("----", "------" if args.source else "-----------", "-----------", "------------------" if args.source else "-----------------")) + + data_json = jmespath.search('nftables[?rule].rule[?chain]', tmp) + for idx in range(0, len(data_json)): + data = data_json[idx] + comment = data['comment'] + chain = data['chain'] + if not (args.source and chain == 'POSTROUTING') or (not args.source and chain == 'PREROUTING'): + exit(0) + interface = dict_search('match.right', data['expr'][0]) + srcdest = dict_search('match.right.prefix.addr', data['expr'][1]) + if srcdest: + addr_tmp = dict_search('match.right.prefix.len', data['expr'][1]) + if addr_tmp: + srcdest = srcdest + '/' + str(addr_tmp) + else: + srcdest = dict_search('match.right', data['expr'][1]) + tran_addr = dict_search('snat.addr.prefix.addr' if args.source else 'dnat.addr.prefix.addr', data['expr'][3]) + if tran_addr: + addr_tmp = dict_search('snat.addr.prefix.len' if args.source else 'dnat.addr.prefix.len', data['expr'][3]) + if addr_tmp: + srcdest = srcdest + '/' + str(addr_tmp) + else: + if 'masquerade' in data['expr'][3]: + tran_addr = 'masquerade' + elif 'log' in data['expr'][3]: + continue + else: + tran_addr = dict_search('snat.addr' if args.source else 'dnat.addr', data['expr'][3]) + + print(format_nat66_rule % (comment, srcdest, tran_addr, interface)) + + exit(0) +else: + parser.print_help() + exit(1) + diff --git a/src/op_mode/show_nat_statistics.py b/src/op_mode/show_nat_statistics.py index 482993d06..c568c8305 100755 --- a/src/op_mode/show_nat_statistics.py +++ b/src/op_mode/show_nat_statistics.py @@ -44,7 +44,7 @@ group.add_argument("--destination", help="Show statistics for configured destina args = parser.parse_args() if args.source or args.destination: - tmp = cmd('sudo nft -j list table nat') + tmp = cmd('sudo nft -j list table ip nat') tmp = json.loads(tmp) source = r"nftables[?rule.chain=='POSTROUTING'].rule.{chain: chain, handle: handle, comment: comment, counter: expr[].counter | [0], interface: expr[].match.right | [0] }" diff --git a/src/services/vyos-configd b/src/services/vyos-configd index 1e60e53df..8547b5f56 100755 --- a/src/services/vyos-configd +++ b/src/services/vyos-configd @@ -25,7 +25,7 @@ import logging import signal import importlib.util import zmq -from contextlib import redirect_stdout, redirect_stderr +from contextlib import contextmanager from vyos.defaults import directories from vyos.configsource import ConfigSourceString, ConfigSourceError @@ -108,20 +108,40 @@ conf_mode_scripts = dict(zip(imports, modules)) exclude_set = {key_name_from_file_name(f) for f in filenames if f not in include} include_set = {key_name_from_file_name(f) for f in filenames if f in include} +@contextmanager +def stdout_redirected(filename, mode): + saved_stdout_fd = None + destination_file = None + try: + sys.stdout.flush() + saved_stdout_fd = os.dup(sys.stdout.fileno()) + destination_file = open(filename, mode) + os.dup2(destination_file.fileno(), sys.stdout.fileno()) + yield + finally: + if saved_stdout_fd is not None: + os.dup2(saved_stdout_fd, sys.stdout.fileno()) + os.close(saved_stdout_fd) + if destination_file is not None: + destination_file.close() + +def explicit_print(path, mode, msg): + try: + with open(path, mode) as f: + f.write(f"\n{msg}\n\n") + except OSError: + logger.critical("error explicit_print") def run_script(script, config) -> int: config.set_level([]) try: - with open(session_out, session_mode) as f, redirect_stdout(f): - with redirect_stderr(f): - c = script.get_config(config) - script.verify(c) - script.generate(c) - script.apply(c) + c = script.get_config(config) + script.verify(c) + script.generate(c) + script.apply(c) except ConfigError as e: logger.critical(e) - with open(session_out, session_mode) as f, redirect_stdout(f): - print(f"{e}\n") + explicit_print(session_out, session_mode, str(e)) return R_ERROR_COMMIT except Exception as e: logger.critical(e) @@ -201,7 +221,8 @@ def process_node_data(config, data) -> int: if script_name in exclude_set: return R_PASS - result = run_script(conf_mode_scripts[script_name], config) + with stdout_redirected(session_out, session_mode): + result = run_script(conf_mode_scripts[script_name], config) return result |