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-rwxr-xr-xsrc/op_mode/ppp-server-ctrl.py5
-rwxr-xr-xsrc/op_mode/show_interfaces.py4
-rwxr-xr-xsrc/op_mode/show_nat66_rules.py74
-rwxr-xr-xsrc/op_mode/show_nat66_statistics.py63
-rwxr-xr-xsrc/op_mode/show_nat66_translations.py204
-rwxr-xr-xsrc/op_mode/show_nat_rules.py74
-rwxr-xr-xsrc/op_mode/show_nat_statistics.py2
-rwxr-xr-xsrc/op_mode/vtysh_wrapper.sh4
8 files changed, 426 insertions, 4 deletions
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_interfaces.py b/src/op_mode/show_interfaces.py
index 256c86d2a..39e5dc7ac 100755
--- a/src/op_mode/show_interfaces.py
+++ b/src/op_mode/show_interfaces.py
@@ -30,7 +30,7 @@ from vyos.util import cmd
# interfaces = Sections.reserved()
-interfaces = ['eno', 'ens', 'enp', 'enx', 'eth', 'vmnet', 'lo', 'tun', 'wan', 'pppoe', 'pppoa', 'adsl']
+interfaces = ['eno', 'ens', 'enp', 'enx', 'eth', 'vmnet', 'lo', 'tun', 'wan', 'pppoe']
glob_ifnames = '/sys/class/net/({})*'.format('|'.join(interfaces))
@@ -177,7 +177,7 @@ def run_show_intf(ifnames, iftypes, vif, vrrp):
out = cmd(f'ip addr show {interface.ifname}')
out = re.sub(f'^\d+:\s+','',out)
- if re.search("link/tunnel6", out):
+ if re.search('link/tunnel6', out):
tunnel = cmd(f'ip -6 tun show {interface.ifname}')
# tun0: ip/ipv6 remote ::2 local ::1 encaplimit 4 hoplimit 64 tclass inherit flowlabel inherit (flowinfo 0x00000000)
tunnel = re.sub('.*encap', 'encap', tunnel)
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/op_mode/vtysh_wrapper.sh b/src/op_mode/vtysh_wrapper.sh
new file mode 100755
index 000000000..47d88330b
--- /dev/null
+++ b/src/op_mode/vtysh_wrapper.sh
@@ -0,0 +1,4 @@
+#!/bin/sh
+declare -a tmp
+tmp=$@
+vtysh -c "$tmp"
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-15 10:23:26 +0000