276 lines
8.1 KiB
Plaintext
276 lines
8.1 KiB
Plaintext
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policy_module(gpg, 2.2.1)
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########################################
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#
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# Declarations
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#
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## <desc>
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## <p>
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## Allow usage of the gpg-agent --write-env-file option.
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## This also allows gpg-agent to manage user files.
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## </p>
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## </desc>
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gen_tunable(gpg_agent_env_file, false)
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type gpg_t;
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type gpg_exec_t;
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typealias gpg_t alias { user_gpg_t staff_gpg_t sysadm_gpg_t };
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typealias gpg_t alias { auditadm_gpg_t secadm_gpg_t };
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application_domain(gpg_t, gpg_exec_t)
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ubac_constrained(gpg_t)
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type gpg_agent_t;
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type gpg_agent_exec_t;
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typealias gpg_agent_t alias { user_gpg_agent_t staff_gpg_agent_t sysadm_gpg_agent_t };
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typealias gpg_agent_t alias { auditadm_gpg_agent_t secadm_gpg_agent_t };
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application_domain(gpg_agent_t, gpg_agent_exec_t)
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ubac_constrained(gpg_agent_t)
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type gpg_agent_tmp_t;
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typealias gpg_agent_tmp_t alias { user_gpg_agent_tmp_t staff_gpg_agent_tmp_t sysadm_gpg_agent_tmp_t };
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typealias gpg_agent_tmp_t alias { auditadm_gpg_agent_tmp_t secadm_gpg_agent_tmp_t };
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files_tmp_file(gpg_agent_tmp_t)
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ubac_constrained(gpg_agent_tmp_t)
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type gpg_secret_t;
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typealias gpg_secret_t alias { user_gpg_secret_t staff_gpg_secret_t sysadm_gpg_secret_t };
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typealias gpg_secret_t alias { auditadm_gpg_secret_t secadm_gpg_secret_t };
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userdom_user_home_content(gpg_secret_t)
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type gpg_helper_t;
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type gpg_helper_exec_t;
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typealias gpg_helper_t alias { user_gpg_helper_t staff_gpg_helper_t sysadm_gpg_helper_t };
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typealias gpg_helper_t alias { auditadm_gpg_helper_t secadm_gpg_helper_t };
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application_domain(gpg_helper_t, gpg_helper_exec_t)
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ubac_constrained(gpg_helper_t)
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type gpg_pinentry_t;
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type pinentry_exec_t;
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typealias gpg_pinentry_t alias { user_gpg_pinentry_t staff_gpg_pinentry_t sysadm_gpg_pinentry_t };
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typealias gpg_pinentry_t alias { auditadm_gpg_pinentry_t secadm_gpg_pinentry_t };
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application_domain(gpg_pinentry_t, pinentry_exec_t)
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ubac_constrained(gpg_pinentry_t)
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########################################
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#
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# GPG local policy
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#
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allow gpg_t self:capability { ipc_lock setuid };
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# setrlimit is for ulimit -c 0
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allow gpg_t self:process { signal setrlimit getcap setcap setpgid };
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allow gpg_t self:fifo_file rw_fifo_file_perms;
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allow gpg_t self:tcp_socket create_stream_socket_perms;
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manage_dirs_pattern(gpg_t, gpg_agent_tmp_t, gpg_agent_tmp_t)
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manage_files_pattern(gpg_t, gpg_agent_tmp_t, gpg_agent_tmp_t)
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files_tmp_filetrans(gpg_t, gpg_agent_tmp_t, { dir file })
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# transition from the gpg domain to the helper domain
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domtrans_pattern(gpg_t, gpg_helper_exec_t, gpg_helper_t)
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allow gpg_t gpg_secret_t:dir create_dir_perms;
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manage_files_pattern(gpg_t, gpg_secret_t, gpg_secret_t)
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manage_lnk_files_pattern(gpg_t, gpg_secret_t, gpg_secret_t)
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userdom_user_home_dir_filetrans(gpg_t, gpg_secret_t, dir)
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kernel_read_sysctl(gpg_t)
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corenet_all_recvfrom_unlabeled(gpg_t)
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corenet_all_recvfrom_netlabel(gpg_t)
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corenet_tcp_sendrecv_generic_if(gpg_t)
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corenet_udp_sendrecv_generic_if(gpg_t)
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corenet_tcp_sendrecv_generic_node(gpg_t)
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corenet_udp_sendrecv_generic_node(gpg_t)
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corenet_tcp_sendrecv_all_ports(gpg_t)
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corenet_udp_sendrecv_all_ports(gpg_t)
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corenet_tcp_connect_all_ports(gpg_t)
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corenet_sendrecv_all_client_packets(gpg_t)
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dev_read_rand(gpg_t)
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dev_read_urand(gpg_t)
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dev_read_generic_usb_dev(gpg_t)
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fs_getattr_xattr_fs(gpg_t)
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domain_use_interactive_fds(gpg_t)
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files_read_etc_files(gpg_t)
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files_read_usr_files(gpg_t)
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files_dontaudit_search_var(gpg_t)
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auth_use_nsswitch(gpg_t)
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logging_send_syslog_msg(gpg_t)
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miscfiles_read_localization(gpg_t)
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userdom_use_user_terminals(gpg_t)
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# sign/encrypt user files
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userdom_manage_user_tmp_files(gpg_t)
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userdom_manage_user_home_content_files(gpg_t)
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mta_write_config(gpg_t)
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tunable_policy(`use_nfs_home_dirs',`
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fs_manage_nfs_dirs(gpg_t)
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fs_manage_nfs_files(gpg_t)
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')
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tunable_policy(`use_samba_home_dirs',`
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fs_manage_cifs_dirs(gpg_t)
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fs_manage_cifs_files(gpg_t)
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')
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optional_policy(`
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xserver_use_xdm_fds(gpg_t)
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xserver_rw_xdm_pipes(gpg_t)
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')
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optional_policy(`
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cron_system_entry(gpg_t, gpg_exec_t)
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cron_read_system_job_tmp_files(gpg_t)
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')
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########################################
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#
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# GPG helper local policy
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#
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allow gpg_helper_t self:process { getsched setsched };
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# for helper programs (which automatically fetch keys)
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# Note: this is only tested with the hkp interface. If you use eg the
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# mail interface you will likely need additional permissions.
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allow gpg_helper_t self:unix_stream_socket create_stream_socket_perms;
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allow gpg_helper_t self:tcp_socket { connect connected_socket_perms };
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allow gpg_helper_t self:udp_socket { connect connected_socket_perms };
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dontaudit gpg_helper_t gpg_secret_t:file read;
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corenet_all_recvfrom_unlabeled(gpg_helper_t)
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corenet_all_recvfrom_netlabel(gpg_helper_t)
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corenet_tcp_sendrecv_generic_if(gpg_helper_t)
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corenet_raw_sendrecv_generic_if(gpg_helper_t)
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corenet_udp_sendrecv_generic_if(gpg_helper_t)
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corenet_tcp_sendrecv_generic_node(gpg_helper_t)
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corenet_udp_sendrecv_generic_node(gpg_helper_t)
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corenet_raw_sendrecv_generic_node(gpg_helper_t)
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corenet_tcp_sendrecv_all_ports(gpg_helper_t)
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corenet_udp_sendrecv_all_ports(gpg_helper_t)
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corenet_tcp_bind_generic_node(gpg_helper_t)
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corenet_udp_bind_generic_node(gpg_helper_t)
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corenet_tcp_connect_all_ports(gpg_helper_t)
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files_read_etc_files(gpg_helper_t)
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auth_use_nsswitch(gpg_helper_t)
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userdom_use_user_terminals(gpg_helper_t)
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tunable_policy(`use_nfs_home_dirs',`
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fs_dontaudit_rw_nfs_files(gpg_helper_t)
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')
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tunable_policy(`use_samba_home_dirs',`
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fs_dontaudit_rw_cifs_files(gpg_helper_t)
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')
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########################################
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#
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# GPG agent local policy
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#
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# rlimit: gpg-agent wants to prevent coredumps
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allow gpg_agent_t self:process setrlimit;
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allow gpg_agent_t self:unix_stream_socket create_stream_socket_perms ;
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allow gpg_agent_t self:fifo_file rw_fifo_file_perms;
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# read and write ~/.gnupg (gpg-agent stores secret keys in ~/.gnupg/private-keys-v1.d )
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manage_dirs_pattern(gpg_agent_t, gpg_secret_t, gpg_secret_t)
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manage_files_pattern(gpg_agent_t, gpg_secret_t, gpg_secret_t)
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manage_lnk_files_pattern(gpg_agent_t, gpg_secret_t, gpg_secret_t)
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# Allow the gpg-agent to manage its tmp files (socket)
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manage_dirs_pattern(gpg_agent_t, gpg_agent_tmp_t, gpg_agent_tmp_t)
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manage_files_pattern(gpg_agent_t, gpg_agent_tmp_t, gpg_agent_tmp_t)
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manage_sock_files_pattern(gpg_agent_t, gpg_agent_tmp_t, gpg_agent_tmp_t)
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files_tmp_filetrans(gpg_agent_t, gpg_agent_tmp_t, { file sock_file dir })
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# allow gpg to connect to the gpg agent
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stream_connect_pattern(gpg_t, gpg_agent_tmp_t, gpg_agent_tmp_t, gpg_agent_t)
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corecmd_search_bin(gpg_agent_t)
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domain_use_interactive_fds(gpg_agent_t)
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miscfiles_read_localization(gpg_agent_t)
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# Write to the user domain tty.
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userdom_use_user_terminals(gpg_agent_t)
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# read and write ~/.gnupg (gpg-agent stores secret keys in ~/.gnupg/private-keys-v1.d )
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userdom_search_user_home_dirs(gpg_agent_t)
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tunable_policy(`gpg_agent_env_file',`
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# write ~/.gpg-agent-info or a similar to the users home dir
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# or subdir (gpg-agent --write-env-file option)
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#
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userdom_user_home_dir_filetrans_user_home_content(gpg_agent_t, file)
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userdom_manage_user_home_content_dirs(gpg_agent_t)
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userdom_manage_user_home_content_files(gpg_agent_t)
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')
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tunable_policy(`use_nfs_home_dirs',`
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fs_manage_nfs_dirs(gpg_agent_t)
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fs_manage_nfs_files(gpg_agent_t)
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fs_manage_nfs_symlinks(gpg_agent_t)
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')
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tunable_policy(`use_samba_home_dirs',`
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fs_manage_cifs_dirs(gpg_agent_t)
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fs_manage_cifs_files(gpg_agent_t)
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fs_manage_cifs_symlinks(gpg_agent_t)
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')
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##############################
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#
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# Pinentry local policy
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#
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allow gpg_pinentry_t self:unix_stream_socket { connect create getattr read shutdown write };
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allow gpg_pinentry_t self:fifo_file rw_fifo_file_perms;
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# we need to allow gpg-agent to call pinentry so it can get the passphrase
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# from the user.
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domtrans_pattern(gpg_agent_t, pinentry_exec_t, gpg_pinentry_t)
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# read /proc/meminfo
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kernel_read_system_state(gpg_pinentry_t)
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files_read_usr_files(gpg_pinentry_t)
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# read /etc/X11/qtrc
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files_read_etc_files(gpg_pinentry_t)
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miscfiles_read_fonts(gpg_pinentry_t)
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miscfiles_read_localization(gpg_pinentry_t)
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# for .Xauthority
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userdom_read_user_home_content_files(gpg_pinentry_t)
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tunable_policy(`use_nfs_home_dirs',`
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fs_read_nfs_files(gpg_pinentry_t)
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')
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tunable_policy(`use_samba_home_dirs',`
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fs_read_cifs_files(gpg_pinentry_t)
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')
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optional_policy(`
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xserver_stream_connect(gpg_pinentry_t)
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')
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