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# SPDX-License-Identifier: AGPL-3.0-or-later
#
# PASTA - Pack A Subtle Tap Abstraction
# for network namespace/tap device mode
#
# contrib/selinux/pasta.te - SELinux profile example: Type Enforcement for pasta
#
# Copyright (c) 2022 Red Hat GmbH
# Author: Stefano Brivio <sbrivio@redhat.com>
policy_module(pasta, 0.1)
require {
type unconfined_t;
role unconfined_r;
class process transition;
type bin_t;
type user_home_t;
type user_home_dir_t;
type fs_t;
type tmp_t;
type tmpfs_t;
type root_t;
type nsfs_t;
class file { ioctl getattr setattr create read write unlink open relabelto execute_no_trans map execute };
class dir { getattr search read write add_name remove_name mounton watch };
class chr_file { append read write open getattr ioctl };
class filesystem { getattr mount unmount };
class lnk_file read;
type console_device_t;
type user_devpts_t;
type devlog_t;
type syslogd_t;
type var_run_t;
class unix_dgram_socket { create connect sendto };
type net_conf_t;
type proc_net_t;
type node_t;
class tcp_socket { create accept listen name_bind name_connect };
class udp_socket { create accept listen name_bind };
class icmp_socket { bind create name_bind node_bind setopt read write };
class sock_file { create unlink write };
class unix_stream_socket connectto;
type ifconfig_var_run_t;
class netlink_route_socket { bind create nlmsg_read nlmsg_write setopt };
type tun_tap_device_t;
type sysctl_net_t;
class tun_socket create;
attribute port_type;
type port_t;
type http_port_t;
type ssh_port_t;
type reserved_port_t;
type dns_port_t;
type dhcpc_port_t;
type chronyd_port_t;
type llmnr_port_t;
type hostname_exec_t;
type system_dbusd_var_run_t;
type system_dbusd_t;
type systemd_hostnamed_t;
type systemd_systemctl_exec_t;
type passwd_file_t;
type sssd_public_t;
type sssd_var_lib_t;
class dbus send_msg;
class system module_request;
class system status;
type kernel_t;
class process setpgid;
type shell_exec_t;
type init_t;
class cap_userns { setpcap sys_admin sys_ptrace net_bind_service net_admin };
}
type pasta_t;
domain_type(pasta_t);
type pasta_exec_t;
files_type(pasta_exec_t);
type pasta_log_t;
logging_log_file(pasta_log_t);
type pasta_pid_t;
files_pid_file(pasta_pid_t);
type pasta_port_t;
typeattribute pasta_port_t port_type;
role unconfined_r types pasta_t;
allow pasta_t pasta_exec_t : file { ioctl read getattr lock execute execute_no_trans entrypoint open } ;
type_transition unconfined_t pasta_exec_t : process pasta_t;
allow unconfined_t pasta_t : process transition ;
init_daemon_domain(pasta_t, pasta_exec_t)
allow pasta_t self:capability { setpcap net_bind_service sys_tty_config dac_read_search net_admin sys_resource };
allow pasta_t self:cap_userns { setpcap sys_admin sys_ptrace net_admin net_bind_service };
allow pasta_t bin_t:file { execute execute_no_trans map };
allow pasta_t nsfs_t:file { open read };
allow pasta_t user_home_t:dir getattr;
allow pasta_t user_home_t:file { open read getattr setattr };
allow pasta_t user_home_dir_t:dir { search getattr open add_name read write };
allow pasta_t user_home_dir_t:file { create open read write };
allow pasta_t tmp_t:dir { add_name mounton remove_name write };
allow pasta_t tmpfs_t:filesystem mount;
allow pasta_t fs_t:filesystem unmount;
allow pasta_t root_t:dir mounton;
manage_files_pattern(pasta_t, pasta_pid_t, pasta_pid_t)
files_pid_filetrans(pasta_t, pasta_pid_t, file)
allow pasta_t console_device_t:chr_file { open write getattr ioctl };
allow pasta_t user_devpts_t:chr_file { getattr read write ioctl };
logging_send_syslog_msg(pasta_t)
allow syslogd_t self:cap_userns sys_ptrace;
allow pasta_t proc_net_t:file { open read };
allow pasta_t net_conf_t:file { open read };
allow pasta_t self:netlink_route_socket { bind create nlmsg_read nlmsg_write setopt read write };
allow pasta_t tmp_t:sock_file { create unlink write };
allow pasta_t self:tcp_socket create_stream_socket_perms;
corenet_tcp_sendrecv_generic_node(pasta_t)
corenet_tcp_bind_generic_node(pasta_t)
allow pasta_t pasta_port_t:tcp_socket { name_bind name_connect };
allow pasta_t pasta_port_t:udp_socket { name_bind };
allow pasta_t http_port_t:tcp_socket { name_bind name_connect };
allow pasta_t chronyd_port_t:udp_socket name_bind;
allow pasta_t dhcpc_port_t:udp_socket name_bind;
allow pasta_t dns_port_t:tcp_socket name_bind;
allow pasta_t dns_port_t:udp_socket name_bind;
allow pasta_t ssh_port_t:tcp_socket name_bind;
allow pasta_t self:udp_socket create_stream_socket_perms;
allow pasta_t reserved_port_t:udp_socket name_bind;
allow pasta_t llmnr_port_t:tcp_socket name_bind;
allow pasta_t llmnr_port_t:udp_socket name_bind;
corenet_udp_sendrecv_generic_node(pasta_t)
corenet_udp_bind_generic_node(pasta_t)
allow pasta_t node_t:icmp_socket { name_bind node_bind };
allow pasta_t self:icmp_socket { bind create setopt read write };
allow pasta_t init_t:dir search;
allow pasta_t init_t:file { getattr open read };
allow pasta_t init_t:lnk_file read;
allow pasta_t init_t:unix_stream_socket connectto;
allow pasta_t init_t:dbus send_msg;
allow pasta_t init_t:system status;
allow pasta_t unconfined_t:dir search;
allow pasta_t unconfined_t:file read;
allow pasta_t unconfined_t:lnk_file read;
allow pasta_t passwd_file_t:file { getattr open read };
allow pasta_t self:process setpgid;
allow pasta_t shell_exec_t:file { execute execute_no_trans map };
allow pasta_t sssd_var_lib_t:dir search;
allow pasta_t sssd_public_t:dir search;
allow pasta_t hostname_exec_t:file { execute execute_no_trans getattr open read map };
allow pasta_t system_dbusd_t:unix_stream_socket connectto;
allow pasta_t system_dbusd_t:dbus send_msg;
allow pasta_t system_dbusd_var_run_t:dir search;
allow pasta_t system_dbusd_var_run_t:sock_file write;
allow pasta_t systemd_hostnamed_t:dbus send_msg;
allow pasta_t systemd_systemctl_exec_t:file { execute execute_no_trans getattr open read map };
allow pasta_t ifconfig_var_run_t:dir { read search watch };
allow pasta_t self:tun_socket create;
allow pasta_t tun_tap_device_t:chr_file { ioctl open read write };
allow pasta_t sysctl_net_t:dir search;
allow pasta_t sysctl_net_t:file { open write };
allow pasta_t kernel_t:system module_request;
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