selinux-policy/refpolicy/policy/modules/system/sysnetwork.if

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# Copyright (C) 2005 Tresys Technology, LLC
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## <module name="sysnetwork" layer="system">
## <summary>Policy for network configuration: ifconfig and dhcp client.</summary>
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########################################
#
# sysnetwork_dhcpc_transition(domain)
#
define(`sysnetwork_dhcpc_transition',`
requires_block_template(`$0'_depend)
allow $1 dhcpc_exec_t:file { getattr read execute };
allow $1 dhcpc_t:process transition;
type_transition $1 dhcpc_exec_t:process dhcpc_t;
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dontaudit $1 dhcpc_t:process { noatsecure siginh rlimitinh };
allow $1 dhcpc_t:fd use;
allow dhcpc_t $1:fd use;
allow dhcpc_t $1:fifo_file rw_file_perms;
allow dhcpc_t $1:process sigchld;
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')
define(`sysnetwork_dhcpc_transition_depend',`
type dhcpc_t, dhcpc_exec_t;
class file { getattr read execute };
class process { transition noatsecure siginh rlimitinh sigchld };
class fd use;
class fifo_file rw_file_perms;
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')
#######################################
## <interface name="sysnetwork_ifconfig_transition">
## <description>
## Execute ifconfig in the ifconfig domain.
## </description>
## <parameter name="domain">
## The type of the process performing this action.
## </parameter>
## <infoflow type="write" weight="10"/>
## </interface>
#
define(`sysnetwork_ifconfig_transition',`
requires_block_template(`$0'_depend)
allow $1 ifconfig_exec_t:file { getattr read execute };
allow $1 ifconfig_t:process transition;
type_transition $1 ifconfig_exec_t:process ifconfig_t;
dontaudit $1 ifconfig_t:process { noatsecure siginh rlimitinh };
allow $1 ifconfig_t:fd use;
allow ifconfig_t $1:fd use;
allow ifconfig_t $1:fifo_file rw_file_perms;
allow ifconfig_t $1:process sigchld;
')
define(`sysnetwork_ifconfig_transition_depend',`
type ifconfig_t, ifconfig_exec_t;
class file { getattr read execute };
class process { transition noatsecure siginh rlimitinh sigchld };
class fd use;
class fifo_file rw_file_perms;
')
########################################
## <interface name="sysnetwork_ifconfig_transition_add_role_use_terminal">
## <description>
## Execute ifconfig in the ifconfig domain, and
## allow the specified role the ifconfig domain,
## and use the caller's terminal.
## </description>
## <parameter name="domain">
## The type of the process performing this action.
## </parameter>
## <parameter name="role">
## The role to be allowed the ifconfig domain.
## </parameter>
## <parameter name="terminal">
## The type of the terminal allow the ifconfig domain to use.
## </parameter>
## <infoflow type="write" weight="10"/>
## </interface>
#
define(`sysnetwork_ifconfig_transition_add_role_use_terminal',`
requires_block_template(`$0'_depend)
sysnetwork_ifconfig_transition($1)
role $2 types ifconfig_t;
allow ifconfig_t $3:chr_file { getattr read write ioctl };
')
define(`sysnetwork_ifconfig_transition_add_role_use_terminal_depend',`
type ifconfig_t;
class chr_file { getattr read write ioctl };
')
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########################################
#
# sysnetwork_read_network_config(domain)
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#
define(`sysnetwork_read_network_config',`
requires_block_template(`$0'_depend)
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files_search_general_system_config_directory($1)
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allow $1 net_conf_t:file { getattr read };
')
define(`sysnetwork_read_network_config_depend',`
type net_conf_t;
class file { getattr read };
')
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## </module>