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-rw-r--r--data/templates/ssh/override.conf.j214
-rw-r--r--debian/vyos-1x.postinst7
-rw-r--r--interface-definitions/include/vrf-multi.xml.i22
-rw-r--r--interface-definitions/service_ssh.xml.in2
-rw-r--r--python/vyos/configverify.py15
-rwxr-xr-xsmoketest/scripts/cli/test_service_ssh.py38
-rwxr-xr-xsrc/conf_mode/service_ssh.py16
-rw-r--r--src/etc/systemd/system/ssh@.service.d/vrf-override.conf13
8 files changed, 88 insertions, 39 deletions
diff --git a/data/templates/ssh/override.conf.j2 b/data/templates/ssh/override.conf.j2
deleted file mode 100644
index 4454ad1b8..000000000
--- a/data/templates/ssh/override.conf.j2
+++ /dev/null
@@ -1,14 +0,0 @@
-{% set vrf_command = 'ip vrf exec ' ~ vrf ~ ' ' if vrf is vyos_defined else '' %}
-[Unit]
-StartLimitIntervalSec=0
-After=vyos-router.service
-ConditionPathExists={{ config_file }}
-
-[Service]
-EnvironmentFile=
-ExecStart=
-ExecStart={{ vrf_command }}/usr/sbin/sshd -f {{ config_file }}
-Restart=always
-RestartPreventExitStatus=
-RestartSec=10
-RuntimeDirectoryPreserve=yes
diff --git a/debian/vyos-1x.postinst b/debian/vyos-1x.postinst
index f7ebec8bc..c1959c696 100644
--- a/debian/vyos-1x.postinst
+++ b/debian/vyos-1x.postinst
@@ -192,3 +192,10 @@ systemctl enable vyos-config-cloud-init.service
# Update XML cache
python3 /usr/lib/python3/dist-packages/vyos/xml_ref/update_cache.py
+
+# Generate hardlinks for systemd units for multi VRF support
+# as softlinks will fail in systemd:
+# symlink target name type "ssh.service" does not match source, rejecting.
+if [ ! -f /lib/systemd/system/ssh@.service ]; then
+ ln /lib/systemd/system/ssh.service /lib/systemd/system/ssh@.service
+fi
diff --git a/interface-definitions/include/vrf-multi.xml.i b/interface-definitions/include/vrf-multi.xml.i
new file mode 100644
index 000000000..0b22894e4
--- /dev/null
+++ b/interface-definitions/include/vrf-multi.xml.i
@@ -0,0 +1,22 @@
+<!-- include start from interface/vrf.xml.i -->
+<leafNode name="vrf">
+ <properties>
+ <help>VRF instance name</help>
+ <completionHelp>
+ <path>vrf name</path>
+ <list>default</list>
+ </completionHelp>
+ <valueHelp>
+ <format>default</format>
+ <description>Explicitly start in default VRF</description>
+ </valueHelp>
+ <valueHelp>
+ <format>txt</format>
+ <description>VRF instance name</description>
+ </valueHelp>
+ #include <include/constraint/vrf.xml.i>
+ <multi/>
+ </properties>
+ <defaultValue>default</defaultValue>
+</leafNode>
+<!-- include end -->
diff --git a/interface-definitions/service_ssh.xml.in b/interface-definitions/service_ssh.xml.in
index 5c893bd35..d9eee1ab8 100644
--- a/interface-definitions/service_ssh.xml.in
+++ b/interface-definitions/service_ssh.xml.in
@@ -262,7 +262,7 @@
</constraint>
</properties>
</leafNode>
- #include <include/interface/vrf.xml.i>
+ #include <include/vrf-multi.xml.i>
</children>
</node>
</children>
diff --git a/python/vyos/configverify.py b/python/vyos/configverify.py
index 894dc3286..651036bad 100644
--- a/python/vyos/configverify.py
+++ b/python/vyos/configverify.py
@@ -99,10 +99,17 @@ def verify_vrf(config):
Common helper function used by interface implementations to perform
recurring validation of VRF configuration.
"""
- from netifaces import interfaces
- if 'vrf' in config and config['vrf'] != 'default':
- if config['vrf'] not in interfaces():
- raise ConfigError('VRF "{vrf}" does not exist'.format(**config))
+ from vyos.utils.network import interface_exists
+ if 'vrf' in config:
+ vrfs = config['vrf']
+ if isinstance(vrfs, str):
+ vrfs = [vrfs]
+
+ for vrf in vrfs:
+ if vrf == 'default':
+ continue
+ if not interface_exists(vrf):
+ raise ConfigError(f'VRF "{vrf}" does not exist!')
if 'is_bridge_member' in config:
raise ConfigError(
diff --git a/smoketest/scripts/cli/test_service_ssh.py b/smoketest/scripts/cli/test_service_ssh.py
index 947d7d568..031897c26 100755
--- a/smoketest/scripts/cli/test_service_ssh.py
+++ b/smoketest/scripts/cli/test_service_ssh.py
@@ -32,7 +32,6 @@ from vyos.utils.file import read_file
PROCESS_NAME = 'sshd'
SSHD_CONF = '/run/sshd/sshd_config'
base_path = ['service', 'ssh']
-vrf = 'mgmt'
key_rsa = '/etc/ssh/ssh_host_rsa_key'
key_dsa = '/etc/ssh/ssh_host_dsa_key'
@@ -51,6 +50,7 @@ class TestServiceSSH(VyOSUnitTestSHIM.TestCase):
# ensure we can also run this test on a live system - so lets clean
# out the current configuration :)
cls.cli_delete(cls, base_path)
+ cls.cli_delete(cls, ['vrf'])
def tearDown(self):
# Check for running process
@@ -58,6 +58,7 @@ class TestServiceSSH(VyOSUnitTestSHIM.TestCase):
# delete testing SSH config
self.cli_delete(base_path)
+ self.cli_delete(['vrf'])
self.cli_commit()
self.assertTrue(os.path.isfile(key_rsa))
@@ -79,7 +80,7 @@ class TestServiceSSH(VyOSUnitTestSHIM.TestCase):
# Check configured port
port = get_config_value('Port')[0]
- self.assertEqual('22', port)
+ self.assertEqual('22', port) # default value
def test_ssh_single_listen_address(self):
# Check if SSH service can be configured and runs
@@ -141,10 +142,9 @@ class TestServiceSSH(VyOSUnitTestSHIM.TestCase):
for address in addresses:
self.assertIn(address, tmp)
- def test_ssh_vrf(self):
+ def test_ssh_vrf_single(self):
+ vrf = 'mgmt'
# Check if SSH service can be bound to given VRF
- port = '22'
- self.cli_set(base_path + ['port', port])
self.cli_set(base_path + ['vrf', vrf])
# VRF does yet not exist - an error must be thrown
@@ -156,16 +156,32 @@ class TestServiceSSH(VyOSUnitTestSHIM.TestCase):
# commit changes
self.cli_commit()
- # Check configured port
- tmp = get_config_value('Port')
- self.assertIn(port, tmp)
-
# Check for process in VRF
tmp = cmd(f'ip vrf pids {vrf}')
self.assertIn(PROCESS_NAME, tmp)
- # delete VRF
- self.cli_delete(['vrf', 'name', vrf])
+ def test_ssh_vrf_multi(self):
+ # Check if SSH service can be bound to multiple VRFs
+ vrfs = ['red', 'blue', 'green']
+ for vrf in vrfs:
+ self.cli_set(base_path + ['vrf', vrf])
+
+ # VRF does yet not exist - an error must be thrown
+ with self.assertRaises(ConfigSessionError):
+ self.cli_commit()
+
+ table = 12345
+ for vrf in vrfs:
+ self.cli_set(['vrf', 'name', vrf, 'table', str(table)])
+ table += 1
+
+ # commit changes
+ self.cli_commit()
+
+ # Check for process in VRF
+ for vrf in vrfs:
+ tmp = cmd(f'ip vrf pids {vrf}')
+ self.assertIn(PROCESS_NAME, tmp)
def test_ssh_login(self):
# Perform SSH login and command execution with a predefined user. The
diff --git a/src/conf_mode/service_ssh.py b/src/conf_mode/service_ssh.py
index ee5e1eca2..9abdd33dc 100755
--- a/src/conf_mode/service_ssh.py
+++ b/src/conf_mode/service_ssh.py
@@ -1,6 +1,6 @@
#!/usr/bin/env python3
#
-# Copyright (C) 2018-2022 VyOS maintainers and contributors
+# Copyright (C) 2018-2024 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
@@ -30,7 +30,6 @@ from vyos import airbag
airbag.enable()
config_file = r'/run/sshd/sshd_config'
-systemd_override = r'/run/systemd/system/ssh.service.d/override.conf'
sshguard_config_file = '/etc/sshguard/sshguard.conf'
sshguard_whitelist = '/etc/sshguard/whitelist'
@@ -81,8 +80,6 @@ def generate(ssh):
if not ssh:
if os.path.isfile(config_file):
os.unlink(config_file)
- if os.path.isfile(systemd_override):
- os.unlink(systemd_override)
return None
@@ -99,13 +96,10 @@ def generate(ssh):
call(f'ssh-keygen -q -N "" -t ed25519 -f {key_ed25519}')
render(config_file, 'ssh/sshd_config.j2', ssh)
- render(systemd_override, 'ssh/override.conf.j2', ssh)
if 'dynamic_protection' in ssh:
render(sshguard_config_file, 'ssh/sshguard_config.j2', ssh)
render(sshguard_whitelist, 'ssh/sshguard_whitelist.j2', ssh)
- # Reload systemd manager configuration
- call('systemctl daemon-reload')
return None
@@ -114,7 +108,7 @@ def apply(ssh):
systemd_service_sshguard = 'sshguard.service'
if not ssh:
# SSH access is removed in the commit
- call(f'systemctl stop {systemd_service_ssh}')
+ call(f'systemctl stop ssh@*.service')
call(f'systemctl stop {systemd_service_sshguard}')
return None
@@ -126,9 +120,13 @@ def apply(ssh):
# we need to restart the service if e.g. the VRF name changed
systemd_action = 'reload-or-restart'
if 'restart_required' in ssh:
+ # this is only true if something for the VRFs changed, thus we
+ # stop all VRF services and only restart then new ones
+ call(f'systemctl stop ssh@*.service')
systemd_action = 'restart'
- call(f'systemctl {systemd_action} {systemd_service_ssh}')
+ for vrf in ssh['vrf']:
+ call(f'systemctl {systemd_action} ssh@{vrf}.service')
return None
if __name__ == '__main__':
diff --git a/src/etc/systemd/system/ssh@.service.d/vrf-override.conf b/src/etc/systemd/system/ssh@.service.d/vrf-override.conf
new file mode 100644
index 000000000..b8952d86c
--- /dev/null
+++ b/src/etc/systemd/system/ssh@.service.d/vrf-override.conf
@@ -0,0 +1,13 @@
+[Unit]
+StartLimitIntervalSec=0
+After=vyos-router.service
+ConditionPathExists=/run/sshd/sshd_config
+
+[Service]
+EnvironmentFile=
+ExecStart=
+ExecStart=ip vrf exec %i /usr/sbin/sshd -f /run/sshd/sshd_config
+Restart=always
+RestartPreventExitStatus=
+RestartSec=10
+RuntimeDirectoryPreserve=yes
generated by cgit v1.2.3 (git 2.39.1) at 2024-09-24 22:33:41 +0000