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-rw-r--r--src/msec/plugins/msec.py95
1 files changed, 2 insertions, 93 deletions
diff --git a/src/msec/plugins/msec.py b/src/msec/plugins/msec.py
index fd7204d..fc47aea 100644
--- a/src/msec/plugins/msec.py
+++ b/src/msec/plugins/msec.py
@@ -1,5 +1,5 @@
#!/usr/bin/plugin
-"""Msec plugin for enforcing security settings"""
+"""Msec plugin for enforcing local security settings"""
# main plugin class name
PLUGIN = "msec"
@@ -109,12 +109,8 @@ class msec:
config.SETTINGS['ROOT_UMASK'] = ("msec.set_root_umask", ['*'])
config.SETTINGS['ALLOW_CURDIR_IN_PATH'] = ("msec.allow_curdir_in_path", ['yes', 'no'])
config.SETTINGS['WIN_PARTS_UMASK'] = ("msec.set_win_parts_umask", ['*'])
- config.SETTINGS['ACCEPT_BOGUS_ERROR_RESPONSES'] = ("msec.accept_bogus_error_responses", ['yes', 'no'])
- config.SETTINGS['ACCEPT_BROADCASTED_ICMP_ECHO'] = ("msec.accept_broadcasted_icmp_echo", ['yes', 'no'])
- config.SETTINGS['ACCEPT_ICMP_ECHO'] = ("msec.accept_icmp_echo", ['yes', 'no'])
config.SETTINGS['ALLOW_AUTOLOGIN'] = ("msec.allow_autologin", ['yes', 'no'])
config.SETTINGS['ALLOW_REBOOT'] = ("msec.allow_reboot", ['yes', 'no'])
- config.SETTINGS['ALLOW_REMOTE_ROOT_LOGIN'] = ("msec.allow_remote_root_login", ['yes', 'no', 'without-password'])
config.SETTINGS['ALLOW_ROOT_LOGIN'] = ("msec.allow_root_login", ['yes', 'no'])
config.SETTINGS['ALLOW_USER_LIST'] = ("msec.allow_user_list", ['yes', 'no'])
config.SETTINGS['ALLOW_X_CONNECTIONS'] = ("msec.allow_x_connections", ['yes', 'no', 'local'])
@@ -124,9 +120,6 @@ class msec:
config.SETTINGS['CREATE_SERVER_LINK'] = ("msec.create_server_link", ['no', 'remote', 'local'])
config.SETTINGS['ENABLE_AT_CRONTAB'] = ("msec.enable_at_crontab", ['yes', 'no'])
config.SETTINGS['ENABLE_CONSOLE_LOG'] = ("msec.enable_console_log", ['yes', 'no'])
- config.SETTINGS['ENABLE_DNS_SPOOFING_PROTECTION'] = ("msec.enable_dns_spoofing_protection", ['yes', 'no'])
- config.SETTINGS['ENABLE_IP_SPOOFING_PROTECTION'] = ("msec.enable_ip_spoofing_protection", ['yes', 'no'])
- config.SETTINGS['ENABLE_LOG_STRANGE_PACKETS'] = ("msec.enable_log_strange_packets", ['yes', 'no'])
config.SETTINGS['ENABLE_MSEC_CRON'] = ("msec.enable_msec_cron", ['yes', 'no'])
config.SETTINGS['ENABLE_SULOGIN'] = ("msec.enable_sulogin", ['yes', 'no'])
config.SETTINGS['SECURE_TMP'] = ("msec.secure_tmp", ['yes', 'no'])
@@ -137,7 +130,7 @@ class msec:
# system settings
for check in ["ENABLE_STARTUP_MSEC", "ENABLE_STARTUP_PERMS", "ENABLE_MSEC_CRON",
- "ENABLE_SULOGIN", "ENABLE_AT_CRONTAB",
+ "ENABLE_SULOGIN", "ENABLE_AT_CRONTAB", "ALLOW_XSERVER_TO_LISTEN",
"ALLOW_ROOT_LOGIN", "ALLOW_USER_LIST", "ALLOW_AUTOLOGIN",
"ENABLE_CONSOLE_LOG", "CREATE_SERVER_LINK", "ALLOW_XAUTH_FROM_ROOT",
"ALLOW_REBOOT", "SHELL_HISTORY_SIZE", "SHELL_TIMEOUT", "USER_UMASK", "ROOT_UMASK",
@@ -145,13 +138,6 @@ class msec:
]:
config.SETTINGS_SYSTEM.append(check)
- # network settings
- for check in ["ACCEPT_BOGUS_ERROR_RESPONSES", "ACCEPT_BROADCASTED_ICMP_ECHO", "ACCEPT_ICMP_ECHO",
- "ALLOW_REMOTE_ROOT_LOGIN", "ALLOW_X_CONNECTIONS", "ALLOW_XSERVER_TO_LISTEN",
- "AUTHORIZE_SERVICES", "ENABLE_DNS_SPOOFING_PROTECTION", "ENABLE_IP_SPOOFING_PROTECTION",
- "ENABLE_LOG_STRANGE_PACKETS"]:
- config.SETTINGS_NETWORK.append(check)
-
def create_server_link(self, param):
''' Creates the symlink /etc/security/msec/server to point to /etc/security/msec/server.SERVER_LEVEL. The /etc/security/msec/server is used by chkconfig --add to decide to add a service if it is present in the file during the installation of packages. By default, two presets are provided: local (which only enables local services) and remote (which also enables some remote services considered safe). Note that the allowed services must be placed manually into the server.SERVER_LEVEL files when necessary.'''
server = self.configfiles.get_config_file(SERVER)
@@ -406,29 +392,6 @@ class msec:
self.log.info(_("Forbidding list of users in GDM"))
gdmconf.set_shell_variable('Browser', 'false')
- def allow_remote_root_login(self, arg):
- ''' Allow remote root login via sshd. If yes, login is allowed. If without-password, only public-key authentication logins are allowed. See sshd_config(5) man page for more information.'''
- sshd_config = self.configfiles.get_config_file(SSHDCONFIG)
-
- if not sshd_config.exists():
- return
-
- val = sshd_config.get_match(PERMIT_ROOT_LOGIN_REGEXP, '@1')
-
- if val != arg:
- if arg == "yes":
- self.log.info(_('Allowing remote root login'))
- sshd_config.exists() and sshd_config.replace_line_matching(PERMIT_ROOT_LOGIN_REGEXP,
- 'PermitRootLogin yes', 1)
- elif arg == "no":
- self.log.info(_('Forbidding remote root login'))
- sshd_config.exists() and sshd_config.replace_line_matching(PERMIT_ROOT_LOGIN_REGEXP,
- 'PermitRootLogin no', 1)
- elif arg == "without-password":
- self.log.info(_('Allowing remote root login only by passphrase'))
- sshd_config.exists() and sshd_config.replace_line_matching(PERMIT_ROOT_LOGIN_REGEXP,
- 'PermitRootLogin without-password', 1)
-
def allow_autologin(self, arg):
''' Allow autologin.'''
autologin = self.configfiles.get_config_file(AUTOLOGIN)
@@ -507,60 +470,6 @@ class msec:
hostsdeny.remove_line_matching(ALL_REGEXP, 1)
hostsdeny.replace_line_matching(ALL_LOCAL_REGEXP, 'ALL:ALL EXCEPT 127.0.0.1:DENY', 1)
- def set_zero_one_variable(self, file, variable, value, one_msg, zero_msg):
- ''' Helper function for enable_ip_spoofing_protection, accept_icmp_echo, accept_broadcasted_icmp_echo,
- # accept_bogus_error_responses and enable_log_strange_packets.'''
- f = self.configfiles.get_config_file(file)
- curvalue = f.get_shell_variable(variable)
- if value == "yes":
- value = "1"
- else:
- value = "0"
- if value != curvalue:
- if value == "1":
- self.log.info(one_msg)
- f.set_shell_variable(variable, 1)
- else:
- self.log.info(zero_msg)
- f.set_shell_variable(variable, 0)
-
- def enable_ip_spoofing_protection(self, arg, alert=1):
- ''' Enable IP spoofing protection.'''
- self.set_zero_one_variable(SYSCTLCONF, 'net.ipv4.conf.all.rp_filter', arg, 'Enabling ip spoofing protection', 'Disabling ip spoofing protection')
-
- def enable_dns_spoofing_protection(self, arg, alert=1):
- ''' Enable name resolution spoofing protection.'''
- hostconf = self.configfiles.get_config_file(HOSTCONF)
-
- val = hostconf.get_match('nospoof\s+on')
-
- if arg:
- if not val:
- self.log.info(_('Enabling name resolution spoofing protection'))
- hostconf.replace_line_matching('nospoof', 'nospoof on', 1)
- hostconf.replace_line_matching('spoofalert', 'spoofalert on', (alert != 0))
- else:
- if val:
- self.log.info(_('Disabling name resolution spoofing protection'))
- hostconf.remove_line_matching('nospoof')
- hostconf.remove_line_matching('spoofalert')
-
- def accept_icmp_echo(self, arg):
- ''' Accept ICMP echo.'''
- self.set_zero_one_variable(SYSCTLCONF, 'net.ipv4.icmp_echo_ignore_all', invert(arg), 'Ignoring icmp echo', 'Accepting icmp echo')
-
- def accept_broadcasted_icmp_echo(self, arg):
- ''' Accept broadcasted ICMP echo.'''
- self.set_zero_one_variable(SYSCTLCONF, 'net.ipv4.icmp_echo_ignore_broadcasts', invert(arg), 'Ignoring broadcasted icmp echo', 'Accepting broadcasted icmp echo')
-
- def accept_bogus_error_responses(self, arg):
- ''' Accept bogus IPv4 error messages.'''
- self.set_zero_one_variable(SYSCTLCONF, 'net.ipv4.icmp_ignore_bogus_error_responses', invert(arg), 'Ignoring bogus icmp error responses', 'Accepting bogus icmp error responses')
-
- def enable_log_strange_packets(self, arg):
- ''' Enable logging of strange network packets.'''
- self.set_zero_one_variable(SYSCTLCONF, 'net.ipv4.conf.all.log_martians', arg, 'Enabling logging of strange packets', 'Disabling logging of strange packets')
-
def enable_sulogin(self, arg):
''' Ask for root password when going to single user level (man sulogin(8)).'''
inittab = self.configfiles.get_config_file(INITTAB)
generated by cgit v1.2.1 (git 2.21.0) at 2024-05-30 17:50:09 +0000