268 lines
7.3 KiB
Plaintext
268 lines
7.3 KiB
Plaintext
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policy_module(portage, 1.7.1)
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########################################
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#
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# Declarations
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#
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type gcc_config_t;
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type gcc_config_exec_t;
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application_domain(gcc_config_t, gcc_config_exec_t)
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# constraining type
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type portage_t;
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type portage_exec_t;
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application_domain(portage_t, portage_exec_t)
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domain_obj_id_change_exemption(portage_t)
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rsync_entry_type(portage_t)
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corecmd_shell_entry_type(portage_t)
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# portage compile sandbox domain
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type portage_sandbox_t;
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application_domain(portage_sandbox_t, portage_exec_t)
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# the shell is the entrypoint if regular sandbox is disabled
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# portage_exec_t is the entrypoint if regular sandbox is enabled
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corecmd_shell_entry_type(portage_sandbox_t)
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# portage package fetching domain
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type portage_fetch_t;
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application_type(portage_fetch_t)
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corecmd_shell_entry_type(portage_fetch_t)
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rsync_entry_type(portage_fetch_t)
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type portage_devpts_t;
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term_pty(portage_devpts_t)
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type portage_ebuild_t;
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files_type(portage_ebuild_t)
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type portage_fetch_tmp_t;
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files_tmp_file(portage_fetch_tmp_t)
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type portage_db_t;
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files_type(portage_db_t)
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type portage_conf_t;
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files_type(portage_conf_t)
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type portage_cache_t;
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files_type(portage_cache_t)
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type portage_log_t;
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logging_log_file(portage_log_t)
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type portage_tmp_t;
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files_tmp_file(portage_tmp_t)
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type portage_tmpfs_t;
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files_tmpfs_file(portage_tmpfs_t)
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########################################
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#
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# gcc-config policy
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#
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allow gcc_config_t self:capability { chown fsetid };
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allow gcc_config_t self:fifo_file rw_file_perms;
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manage_files_pattern(gcc_config_t, portage_cache_t, portage_cache_t)
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read_files_pattern(gcc_config_t, portage_conf_t, portage_conf_t)
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allow gcc_config_t portage_ebuild_t:dir list_dir_perms;
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read_files_pattern(gcc_config_t, portage_ebuild_t, portage_ebuild_t)
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allow gcc_config_t portage_exec_t:file mmap_file_perms;
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kernel_read_system_state(gcc_config_t)
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kernel_read_kernel_sysctls(gcc_config_t)
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corecmd_exec_shell(gcc_config_t)
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corecmd_exec_bin(gcc_config_t)
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corecmd_manage_bin_files(gcc_config_t)
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files_manage_etc_files(gcc_config_t)
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files_rw_etc_runtime_files(gcc_config_t)
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files_search_var_lib(gcc_config_t)
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files_search_pids(gcc_config_t)
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# complains loudly about not being able to list
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# the directory it is being run from
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files_list_all(gcc_config_t)
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# seems to be ok without this
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init_dontaudit_read_script_status_files(gcc_config_t)
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libs_read_lib_files(gcc_config_t)
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libs_domtrans_ldconfig(gcc_config_t)
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libs_manage_shared_libs(gcc_config_t)
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# gcc-config creates a temp dir for the libs
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libs_manage_lib_dirs(gcc_config_t)
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logging_send_syslog_msg(gcc_config_t)
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miscfiles_read_localization(gcc_config_t)
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userdom_use_user_terminals(gcc_config_t)
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consoletype_exec(gcc_config_t)
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optional_policy(`
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seutil_use_newrole_fds(gcc_config_t)
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')
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########################################
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#
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# Portage Merging Rules
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#
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# - setfscreate for merging to live fs
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# - setexec to run portage fetch
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allow portage_t self:process { setfscreate setexec };
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allow portage_t portage_log_t:file manage_file_perms;
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logging_log_filetrans(portage_t, portage_log_t, file)
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allow portage_t { portage_fetch_t portage_sandbox_t }:process signal;
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# transition for rsync and wget
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corecmd_shell_spec_domtrans(portage_t, portage_fetch_t)
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rsync_entry_domtrans(portage_t, portage_fetch_t)
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allow portage_fetch_t portage_t:fd use;
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allow portage_fetch_t portage_t:fifo_file rw_file_perms;
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allow portage_fetch_t portage_t:process sigchld;
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# transition to sandbox for compiling
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domain_trans(portage_t, portage_exec_t, portage_sandbox_t)
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corecmd_shell_spec_domtrans(portage_t, portage_sandbox_t)
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allow portage_sandbox_t portage_t:fd use;
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allow portage_sandbox_t portage_t:fifo_file rw_file_perms;
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allow portage_sandbox_t portage_t:process sigchld;
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# run scripts out of the build directory
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can_exec(portage_t, portage_tmp_t)
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# merging baselayout will need this:
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kernel_write_proc_files(portage_t)
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domain_dontaudit_read_all_domains_state(portage_t)
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# modify any files in the system
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files_manage_all_files(portage_t)
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selinux_get_fs_mount(portage_t)
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auth_manage_shadow(portage_t)
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# merging baselayout will need this:
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init_exec(portage_t)
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# run setfiles -r
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seutil_domtrans_setfiles(portage_t)
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# run semodule
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seutil_domtrans_semanage(portage_t)
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portage_domtrans_gcc_config(portage_t)
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# if sesandbox is disabled, compiling is performed in this domain
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portage_compile_domain(portage_t)
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optional_policy(`
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bootloader_domtrans(portage_t)
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')
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optional_policy(`
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modutils_domtrans_depmod(portage_t)
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modutils_domtrans_update_mods(portage_t)
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#dontaudit update_modules_t portage_tmp_t:dir search_dir_perms;
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')
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optional_policy(`
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usermanage_domtrans_groupadd(portage_t)
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usermanage_domtrans_useradd(portage_t)
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')
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ifdef(`TODO',`
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# seems to work ok without these
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dontaudit portage_t device_t:{ blk_file chr_file } getattr;
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dontaudit portage_t proc_t:dir setattr;
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dontaudit portage_t device_type:chr_file read_chr_file_perms;
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dontaudit portage_t device_type:blk_file read_blk_file_perms;
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')
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##########################################
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#
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# Portage fetch domain
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# - for rsync and distfile fetching
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#
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allow portage_fetch_t self:capability { dac_override fowner fsetid };
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allow portage_fetch_t self:process signal;
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allow portage_fetch_t self:unix_stream_socket create_socket_perms;
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allow portage_fetch_t self:tcp_socket create_stream_socket_perms;
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allow portage_fetch_t portage_conf_t:dir list_dir_perms;
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read_files_pattern(portage_fetch_t, portage_conf_t, portage_conf_t)
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manage_dirs_pattern(portage_fetch_t, portage_ebuild_t, portage_ebuild_t)
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manage_files_pattern(portage_fetch_t, portage_ebuild_t, portage_ebuild_t)
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manage_dirs_pattern(portage_fetch_t, portage_fetch_tmp_t, portage_fetch_tmp_t)
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manage_files_pattern(portage_fetch_t, portage_fetch_tmp_t, portage_fetch_tmp_t)
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files_tmp_filetrans(portage_fetch_t, portage_fetch_tmp_t, { file dir })
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# portage makes home dir the portage tmp dir, so
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# wget looks for .wgetrc there
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dontaudit portage_fetch_t portage_tmp_t:dir search_dir_perms;
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kernel_read_system_state(portage_fetch_t)
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kernel_read_kernel_sysctls(portage_fetch_t)
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corecmd_exec_bin(portage_fetch_t)
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corenet_all_recvfrom_unlabeled(portage_fetch_t)
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corenet_all_recvfrom_netlabel(portage_fetch_t)
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corenet_tcp_sendrecv_generic_if(portage_fetch_t)
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corenet_tcp_sendrecv_generic_node(portage_fetch_t)
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corenet_tcp_sendrecv_all_ports(portage_fetch_t)
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# would rather not connect to unspecified ports, but
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# it occasionally comes up
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corenet_tcp_connect_all_reserved_ports(portage_fetch_t)
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corenet_tcp_connect_generic_port(portage_fetch_t)
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dev_dontaudit_read_rand(portage_fetch_t)
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domain_use_interactive_fds(portage_fetch_t)
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files_read_etc_files(portage_fetch_t)
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files_read_etc_runtime_files(portage_fetch_t)
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files_search_var(portage_fetch_t)
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files_dontaudit_search_pids(portage_fetch_t)
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term_search_ptys(portage_fetch_t)
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miscfiles_read_localization(portage_fetch_t)
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sysnet_read_config(portage_fetch_t)
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sysnet_dns_name_resolve(portage_fetch_t)
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userdom_use_user_terminals(portage_fetch_t)
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userdom_dontaudit_read_user_home_content_files(portage_fetch_t)
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ifdef(`hide_broken_symptoms',`
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dontaudit portage_fetch_t portage_cache_t:file read;
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')
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##########################################
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#
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# Portage sandbox domain
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# - SELinux-enforced sandbox
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#
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portage_compile_domain(portage_sandbox_t)
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ifdef(`hide_broken_symptoms',`
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# leaked descriptors
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dontaudit portage_sandbox_t portage_cache_t:dir { setattr };
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dontaudit portage_sandbox_t portage_cache_t:file { setattr write };
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')
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