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

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## <summary>Policy for network configuration: ifconfig and dhcp client.</summary>
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#######################################
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## <summary>
## Execute dhcp client in dhcpc domain.
## </summary>
## <param name="domain">
## <summary>
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## The type of the process performing this action.
## </summary>
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## </param>
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#
interface(`sysnet_domtrans_dhcpc',`
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gen_require(`
type dhcpc_t, dhcpc_exec_t;
')
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corecmd_search_bin($1)
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domtrans_pattern($1, dhcpc_exec_t, dhcpc_t)
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')
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########################################
## <summary>
## Execute DHCP clients in the dhcpc domain, and
## allow the specified role the dhcpc domain.
## </summary>
## <param name="domain">
## <summary>
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## The type of the process performing this action.
## </summary>
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## </param>
## <param name="role">
## <summary>
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## The role to be allowed the clock domain.
## </summary>
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## </param>
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## <rolecap/>
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#
interface(`sysnet_run_dhcpc',`
gen_require(`
type dhcpc_t;
')
sysnet_domtrans_dhcpc($1)
role $2 types dhcpc_t;
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modutils_run_insmod(dhcpc_t, $2)
sysnet_run_ifconfig(dhcpc_t, $2)
optional_policy(`
consoletype_run(dhcpc_t, $2)
')
optional_policy(`
hostname_run(dhcpc_t, $2)
')
optional_policy(`
netutils_run(dhcpc_t, $2)
netutils_run_ping(dhcpc_t, $2)
')
')
########################################
## <summary>
## Do not audit attempts to use
## the dhcp file descriptors.
## </summary>
## <param name="domain">
## <summary>
## The domain sending the SIGCHLD.
## </summary>
## </param>
#
interface(`sysnet_dontaudit_use_dhcpc_fds',`
gen_require(`
type dhcpc_t;
')
dontaudit $1 dhcpc_t:fd use;
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')
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########################################
## <summary>
## Send a SIGCHLD signal to the dhcp client.
## </summary>
## <param name="domain">
## <summary>
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## The domain sending the SIGCHLD.
## </summary>
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## </param>
#
interface(`sysnet_sigchld_dhcpc',`
gen_require(`
type dhcpc_t;
')
allow $1 dhcpc_t:process sigchld;
')
########################################
## <summary>
## Send a kill signal to the dhcp client.
## </summary>
## <param name="domain">
## <summary>
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## The domain sending the SIGKILL.
## </summary>
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## </param>
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## <rolecap/>
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#
interface(`sysnet_kill_dhcpc',`
gen_require(`
type dhcpc_t;
')
allow $1 dhcpc_t:process sigkill;
')
########################################
## <summary>
## Send a SIGSTOP signal to the dhcp client.
## </summary>
## <param name="domain">
## <summary>
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## The domain sending the SIGSTOP.
## </summary>
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## </param>
#
interface(`sysnet_sigstop_dhcpc',`
gen_require(`
type dhcpc_t;
')
allow $1 dhcpc_t:process sigstop;
')
########################################
## <summary>
## Send a null signal to the dhcp client.
## </summary>
## <param name="domain">
## <summary>
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## The domain sending the null signal.
## </summary>
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## </param>
#
interface(`sysnet_signull_dhcpc',`
gen_require(`
type dhcpc_t;
')
allow $1 dhcpc_t:process signull;
')
########################################
## <summary>
## Send a generic signal to the dhcp client.
## </summary>
## <param name="domain">
## <summary>
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## The domain sending the signal.
## </summary>
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## </param>
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## <rolecap/>
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#
interface(`sysnet_signal_dhcpc',`
gen_require(`
type dhcpc_t;
')
allow $1 dhcpc_t:process signal;
')
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########################################
## <summary>
## Send and receive messages from
## dhcpc over dbus.
## </summary>
## <param name="domain">
## <summary>
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## Domain allowed access.
## </summary>
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## </param>
#
interface(`sysnet_dbus_chat_dhcpc',`
gen_require(`
type dhcpc_t;
class dbus send_msg;
')
allow $1 dhcpc_t:dbus send_msg;
allow dhcpc_t $1:dbus send_msg;
')
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########################################
## <summary>
## Read and write dhcp configuration files.
## </summary>
## <param name="domain">
## <summary>
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## The domain allowed access.
## </summary>
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## </param>
#
interface(`sysnet_rw_dhcp_config',`
gen_require(`
type dhcp_etc_t;
')
files_search_etc($1)
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allow $1 dhcp_etc_t:file rw_file_perms;
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')
########################################
## <summary>
## Read dhcp client state files.
## </summary>
## <param name="domain">
## <summary>
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## The domain allowed access.
## </summary>
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## </param>
#
interface(`sysnet_read_dhcpc_state',`
gen_require(`
type dhcpc_state_t;
')
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read_files_pattern($1, dhcpc_state_t, dhcpc_state_t)
')
#######################################
## <summary>
## Delete the dhcp client state files.
## </summary>
## <param name="domain">
## <summary>
## Domain allowed access.
## </summary>
## </param>
#
interface(`sysnet_delete_dhcpc_state',`
gen_require(`
type dhcpc_state_t;
')
delete_files_pattern($1, dhcpc_state_t, dhcpc_state_t)
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')
#######################################
## <summary>
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## Set the attributes of network config files.
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## </summary>
## <param name="domain">
## <summary>
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## Domain allowed access.
## </summary>
## </param>
#
interface(`sysnet_setattr_config',`
gen_require(`
type net_conf_t;
')
files_search_etc($1)
allow $1 net_conf_t:file setattr;
')
#######################################
## <summary>
## Read network config files.
## </summary>
## <desc>
## <p>
## Allow the specified domain to read the
## general network configuration files. A
## common example of this is the
## /etc/resolv.conf file, which has domain
## name system (DNS) server IP addresses.
## Typically, most networking processes will
## require the access provided by this interface.
## </p>
## <p>
## Higher-level interfaces which involve
## networking will generally call this interface,
## for example:
## </p>
## <ul>
## <li>sysnet_dns_name_resolve()</li>
## <li>sysnet_use_ldap()</li>
## <li>sysnet_use_portmap()</li>
## </ul>
## </desc>
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## <param name="domain">
## <summary>
## Domain allowed access.
## </summary>
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## </param>
#
interface(`sysnet_read_config',`
gen_require(`
type net_conf_t;
')
files_search_etc($1)
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allow $1 net_conf_t:file read_file_perms;
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ifdef(`distro_redhat',`
allow $1 net_conf_t:dir list_dir_perms;
read_files_pattern($1, net_conf_t, net_conf_t)
')
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')
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#######################################
## <summary>
## Do not audit attempts to read network config files.
## </summary>
## <param name="domain">
## <summary>
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## Domain to not audit.
## </summary>
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## </param>
#
interface(`sysnet_dontaudit_read_config',`
gen_require(`
type net_conf_t;
')
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dontaudit $1 net_conf_t:file read_file_perms;
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')
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#######################################
## <summary>
## Write network config files.
## </summary>
## <param name="domain">
## <summary>
## Domain allowed access.
## </summary>
## </param>
#
interface(`sysnet_write_config',`
gen_require(`
type net_conf_t;
')
files_search_etc($1)
allow $1 net_conf_t:file write_file_perms;
')
#######################################
## <summary>
## Create network config files.
## </summary>
## <param name="domain">
## <summary>
## Domain allowed access.
## </summary>
## </param>
#
interface(`sysnet_create_config',`
gen_require(`
type net_conf_t;
')
files_search_etc($1)
allow $1 net_conf_t:file create_file_perms;
')
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#######################################
## <summary>
## Create files in /etc with the type used for
## the network config files.
## </summary>
## <param name="domain">
## <summary>
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## The type of the process performing this action.
## </summary>
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## </param>
#
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interface(`sysnet_etc_filetrans_config',`
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gen_require(`
type net_conf_t;
')
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files_etc_filetrans($1, net_conf_t, file)
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')
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#######################################
## <summary>
## Create, read, write, and delete network config files.
## </summary>
## <param name="domain">
## <summary>
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## The type of the process performing this action.
## </summary>
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## </param>
#
interface(`sysnet_manage_config',`
gen_require(`
type net_conf_t;
')
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allow $1 net_conf_t:file manage_file_perms;
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ifdef(`distro_redhat',`
manage_files_pattern($1, net_conf_t, net_conf_t)
')
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')
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#######################################
## <summary>
## Read the dhcp client pid file.
## </summary>
## <param name="domain">
## <summary>
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## The type of the process performing this action.
## </summary>
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## </param>
#
interface(`sysnet_read_dhcpc_pid',`
gen_require(`
type dhcpc_var_run_t;
')
files_list_pids($1)
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allow $1 dhcpc_var_run_t:file read_file_perms;
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')
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#######################################
## <summary>
## Delete the dhcp client pid file.
## </summary>
## <param name="domain">
## <summary>
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## The type of the process performing this action.
## </summary>
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## </param>
#
interface(`sysnet_delete_dhcpc_pid',`
gen_require(`
type dhcpc_var_run_t;
')
allow $1 dhcpc_var_run_t:file unlink;
')
#######################################
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## <summary>
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## Execute ifconfig in the ifconfig domain.
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## </summary>
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## <param name="domain">
## <summary>
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## The type of the process performing this action.
## </summary>
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## </param>
#
interface(`sysnet_domtrans_ifconfig',`
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gen_require(`
type ifconfig_t, ifconfig_exec_t;
')
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corecmd_search_bin($1)
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domtrans_pattern($1, ifconfig_exec_t, ifconfig_t)
')
########################################
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## <summary>
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## Execute ifconfig in the ifconfig domain, and
## allow the specified role the ifconfig domain,
## and use the caller's terminal.
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## </summary>
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## <param name="domain">
## <summary>
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## The type of the process performing this action.
## </summary>
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## </param>
## <param name="role">
## <summary>
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## The role to be allowed the ifconfig domain.
## </summary>
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## </param>
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## <rolecap/>
#
interface(`sysnet_run_ifconfig',`
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gen_require(`
type ifconfig_t;
')
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corecmd_search_bin($1)
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sysnet_domtrans_ifconfig($1)
role $2 types ifconfig_t;
')
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#######################################
## <summary>
## Execute ifconfig in the caller domain.
## </summary>
## <param name="domain">
## <summary>
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## Domain allowed access.
## </summary>
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## </param>
#
interface(`sysnet_exec_ifconfig',`
gen_require(`
type ifconfig_exec_t;
')
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corecmd_search_bin($1)
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can_exec($1, ifconfig_exec_t)
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')
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########################################
## <summary>
## Send a generic signal to ifconfig.
## </summary>
## <param name="domain">
## <summary>
## Domain allowed access.
## </summary>
## </param>
## <rolecap/>
#
interface(`sysnet_signal_ifconfig',`
gen_require(`
type ifconfig_t;
')
allow $1 ifconfig_t:process signal;
')
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########################################
## <summary>
## Read the DHCP configuration files.
## </summary>
## <param name="domain">
## <summary>
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## Domain allowed access.
## </summary>
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## </param>
#
interface(`sysnet_read_dhcp_config',`
gen_require(`
type dhcp_etc_t;
')
files_search_etc($1)
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allow $1 dhcp_etc_t:dir list_dir_perms;
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read_files_pattern($1, dhcp_etc_t, dhcp_etc_t)
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')
########################################
## <summary>
## Search the DHCP state data directory.
## </summary>
## <param name="domain">
## <summary>
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## Domain allowed access.
## </summary>
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## </param>
#
interface(`sysnet_search_dhcp_state',`
gen_require(`
type dhcp_state_t;
')
files_search_var_lib($1)
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allow $1 dhcp_state_t:dir search_dir_perms;
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')
########################################
## <summary>
## Create DHCP state data.
## </summary>
## <desc>
## <p>
## Create DHCP state data.
## </p>
## <p>
## This is added for DHCP server, as
## the server and client put their state
## files in the same directory.
## </p>
## </desc>
## <param name="domain">
## <summary>
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## Domain allowed access.
## </summary>
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## </param>
## <param name="file_type">
## <summary>
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## The type of the object to be created
## </summary>
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## </param>
## <param name="object_class">
## <summary>
## The object class.
## </summary>
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## </param>
#
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interface(`sysnet_dhcp_state_filetrans',`
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gen_require(`
type dhcp_state_t;
')
files_search_var_lib($1)
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filetrans_pattern($1, dhcp_state_t, $2, $3)
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')
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########################################
## <summary>
## Perform a DNS name resolution.
## </summary>
## <param name="domain">
## <summary>
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## Domain allowed access.
## </summary>
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## </param>
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## <rolecap/>
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#
interface(`sysnet_dns_name_resolve',`
gen_require(`
type net_conf_t;
')
allow $1 self:tcp_socket create_socket_perms;
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allow $1 self:udp_socket create_socket_perms;
allow $1 self:netlink_route_socket r_netlink_socket_perms;
corenet_all_recvfrom_unlabeled($1)
corenet_all_recvfrom_netlabel($1)
corenet_tcp_sendrecv_generic_if($1)
corenet_udp_sendrecv_generic_if($1)
corenet_tcp_sendrecv_generic_node($1)
corenet_udp_sendrecv_generic_node($1)
corenet_tcp_sendrecv_dns_port($1)
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corenet_udp_sendrecv_dns_port($1)
corenet_tcp_connect_dns_port($1)
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corenet_sendrecv_dns_client_packets($1)
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sysnet_read_config($1)
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optional_policy(`
avahi_stream_connect($1)
')
optional_policy(`
nscd_socket_use($1)
')
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')
########################################
## <summary>
## Connect and use a LDAP server.
## </summary>
## <param name="domain">
## <summary>
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## Domain allowed access.
## </summary>
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## </param>
#
interface(`sysnet_use_ldap',`
gen_require(`
type net_conf_t;
')
allow $1 self:tcp_socket create_socket_perms;
corenet_all_recvfrom_unlabeled($1)
corenet_all_recvfrom_netlabel($1)
corenet_tcp_sendrecv_generic_if($1)
corenet_tcp_sendrecv_generic_node($1)
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corenet_tcp_sendrecv_ldap_port($1)
corenet_tcp_connect_ldap_port($1)
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corenet_sendrecv_ldap_client_packets($1)
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sysnet_read_config($1)
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')
########################################
## <summary>
## Connect and use remote port mappers.
## </summary>
## <param name="domain">
## <summary>
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## Domain allowed access.
## </summary>
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## </param>
#
interface(`sysnet_use_portmap',`
gen_require(`
type net_conf_t;
')
allow $1 self:tcp_socket create_socket_perms;
allow $1 self:udp_socket create_socket_perms;
corenet_all_recvfrom_unlabeled($1)
corenet_all_recvfrom_netlabel($1)
corenet_tcp_sendrecv_generic_if($1)
corenet_udp_sendrecv_generic_if($1)
corenet_tcp_sendrecv_generic_node($1)
corenet_udp_sendrecv_generic_node($1)
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corenet_tcp_sendrecv_portmap_port($1)
corenet_udp_sendrecv_portmap_port($1)
corenet_tcp_connect_portmap_port($1)
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corenet_sendrecv_portmap_client_packets($1)
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sysnet_read_config($1)
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')