Merge pull request #3723 from sever-sever/T751

T751: Remove ids suricata

1 files changed, 0 insertions, 161 deletions

diff --git a/src/conf_mode/service_suricata.py b/src/conf_mode/service_suricata.py
deleted file mode 100755
index 69b369e0b..000000000
--- a/src/conf_mode/service_suricata.py
+++ /dev/null
@@ -1,161 +0,0 @@
-#!/usr/bin/env python3
-#
-# Copyright (C) 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
-# 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.base import Warning
-from vyos.config import Config
-from vyos.template import render
-from vyos.utils.process import call
-from vyos import ConfigError
-from vyos import airbag
-airbag.enable()
-
-config_file = '/run/suricata/suricata.yaml'
-rotate_file = '/etc/logrotate.d/suricata'
-
-def get_config(config=None):
-    if config:
-        conf = config
-    else:
-        conf = Config()
-    base = ['service', 'suricata']
-
-    if not conf.exists(base):
-        return None
-
-    suricata = conf.get_config_dict(base, key_mangling=('-', '_'),
-                                    get_first_key=True, with_recursive_defaults=True)
-
-    return suricata
-
-# https://en.wikipedia.org/wiki/Topological_sorting#Depth-first_search
-def topological_sort(source):
-    sorted_nodes = []
-    permanent_marks = set()
-    temporary_marks = set()
-
-    def visit(n, v):
-        if n in permanent_marks:
-            return
-        if n in temporary_marks:
-            raise ConfigError('At least one cycle exists in the referenced groups')
-
-        temporary_marks.add(n)
-
-        for m in v.get('group', []):
-            m = m.lstrip('!')
-            if m not in source:
-                raise ConfigError(f'Undefined referenced group "{m}"')
-            visit(m, source[m])
-
-        temporary_marks.remove(n)
-        permanent_marks.add(n)
-        sorted_nodes.append((n, v))
-
-    while len(permanent_marks) < len(source):
-        n = next(n for n in source.keys() if n not in permanent_marks)
-        visit(n, source[n])
-
-    return sorted_nodes
-
-def verify(suricata):
-    if not suricata:
-        return None
-
-    if 'interface' not in suricata:
-        raise ConfigError('No interfaces configured!')
-
-    if 'address_group' not in suricata:
-        raise ConfigError('No address-group configured!')
-
-    if 'port_group' not in suricata:
-        raise ConfigError('No port-group configured!')
-
-    try:
-        topological_sort(suricata['address_group'])
-    except (ConfigError,StopIteration) as e:
-        raise ConfigError(f'Invalid address-group: {e}')
-
-    try:
-        topological_sort(suricata['port_group'])
-    except (ConfigError,StopIteration) as e:
-        raise ConfigError(f'Invalid port-group: {e}')
-
-def generate(suricata):
-    if not suricata:
-        for file in [config_file, rotate_file]:
-            if os.path.isfile(file):
-                os.unlink(file)
-
-        return None
-
-    # Config-related formatters
-    def to_var(s:str):
-        return s.replace('-','_').upper()
-
-    def to_val(s:str):
-        return s.replace('-',':')
-
-    def to_ref(s:str):
-        if s[0] == '!':
-            return '!$' + to_var(s[1:])
-        return '$' + to_var(s)
-
-    def to_config(kind:str):
-        def format_group(group):
-            (name, value) = group
-            property = [to_val(property) for property in value.get(kind,[])]
-            group = [to_ref(group) for group in value.get('group',[])]
-            return (to_var(name), property + group)
-        return format_group
-
-    # Format the address group
-    suricata['address_group'] = map(to_config('address'),
-                                    topological_sort(suricata['address_group']))
-
-    # Format the port group
-    suricata['port_group'] = map(to_config('port'),
-                                    topological_sort(suricata['port_group']))
-
-    render(config_file, 'ids/suricata.j2', {'suricata': suricata})
-    render(rotate_file, 'ids/suricata_logrotate.j2', suricata)
-    return None
-
-def apply(suricata):
-    systemd_service = 'suricata.service'
-    if not suricata or 'interface' not in suricata:
-        # Stop suricata service if removed
-        call(f'systemctl stop {systemd_service}')
-    else:
-        Warning('To fetch the latest rules, use "update suricata"; '
-                'To periodically fetch the latest rules, '
-                'use the task scheduler!')
-        call(f'systemctl restart {systemd_service}')
-
-    return None
-
-if __name__ == '__main__':
-    try:
-        c = get_config()
-        verify(c)
-        generate(c)
-        apply(c)
-    except ConfigError as e:
-        print(e)
-        exit(1)