initial commit
This commit is contained in:
Chris PeBenito
parent
ec81ecb30c
commit
b2b38c78d4
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@ -0,0 +1,329 @@
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# Copyright (C) 2005 Tresys Technology, LLC
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#######################################
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#
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# Per user domain template for this module
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#
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# gpg_per_userdomain_template(userdomain_prefix)
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#
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define(`gpg_per_userdomain_template',`
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requires_block_template(`$0'_depend)
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########################################
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#
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# Declarations
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#
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type $1_gpg_t;
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domain_make_domain($1_gpg_t)
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domain_make_entrypoint_file($1_gpg_t,gpg_exec_t)
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role $1_r types $1_gpg_t;
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type $1_gpg_agent_t;
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domain_make_domain($1_gpg_agent_t)
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domain_make_entrypoint_file($1_gpg_agent_t,gpg_agent_exec_t)
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role $1_r types $1_gpg_agent_t;
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type $1_gpg_agent_tmp_t;
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files_make_file($1_gpg_agent_tmp_t)
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type $1_gpg_secret_t; #, $1_file_type;
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files_make_file($1_gpg_secret_t)
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type $1_gpg_helper_t;
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domain_make_domain($1_gpg_helper_t)
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role $1_r types $1_gpg_helper_t;
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type $1_gpg_pinentry_t;
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domain_make_domain($1_gpg_pinentry_t)
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role $1_r types $1_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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# transition from the userdomain to the derived domain
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allow $1_t $1_gpg_t:process transition;
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allow $1_t gpg_exec_t:file { getattr read execute };
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type_transition $1_t gpg_exec_t:process $1_gpg_t;
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allow $1_gpg_t self:capability { ipc_lock setuid };
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allow { $1_t $1_gpg_t } $1_gpg_t:process signal;
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# setrlimit is for ulimit -c 0
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allow $1_gpg_t self:process { setrlimit setcap };
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allow $1_gpg_t self:fifo_file { getattr read write };
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allow $1_gpg_t self:tcp_socket { create ioctl read getattr write setattr append bind connect getopt setopt shutdown listen accept };
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allow $1_gpg_t $1_gpg_secret_t:dir { read getattr lock search ioctl add_name remove_name write };
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allow $1_gpg_t $1_gpg_secret_t:file { create ioctl read getattr lock write setattr append link unlink rename };
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allow $1_gpg_t $1_gpg_secret_t:lnk_file { create read getattr setattr link unlink rename };
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corenetwork_network_tcp_on_all_interfaces($1_gpg_t)
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corenetwork_network_raw_on_all_interfaces($1_gpg_t)
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corenetwork_network_udp_on_all_interfaces($1_gpg_t)
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corenetwork_network_tcp_on_all_nodes($1_gpg_t)
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corenetwork_network_raw_on_all_nodes($1_gpg_t)
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corenetwork_network_udp_on_all_nodes($1_gpg_t)
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corenetwork_network_tcp_on_all_ports($1_gpg_t)
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corenetwork_network_udp_on_all_ports($1_gpg_t)
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corenetwork_bind_tcp_on_all_nodes($1_gpg_t)
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corenetwork_bind_udp_on_all_nodes($1_gpg_t)
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devices_get_random_data($1_gpg_t)
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devices_get_pseudorandom_data($1_gpg_t)
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filesystem_get_persistent_filesystem_attributes($1_gpg_t)
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files_read_general_system_config($1_gpg_t)
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files_read_general_application_resources($1_gpg_t)
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libraries_read_shared_libraries($1_gpg_t)
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libraries_use_dynamic_loader($1_gpg_t)
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miscfiles_read_localization($1_gpg_t)
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logging_send_system_log_message($1_gpg_t)
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sysnetwork_read_network_config($1_gpg_t)
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# Legacy
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if (allow_gpg_execstack) {
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allow $1_gpg_t self:process execmem;
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libraries_legacy_read_shared_libraries($1_gpg_t)
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libraries_legacy_use_dynamic_loader($1_gpg_t)
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miscfiles_legacy_read_localization($1_gpg_t)
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# Not quite sure why this is needed...
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allow $1_gpg_t gpg_exec_t:file execmod;
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}
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ifdef(`TODO',`
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can_ypbind($1_gpg_t)
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allow $1_t $1_gpg_secret_t:file getattr;
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access_terminal($1_gpg_t, $1)
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ifdef(`gnome-pty-helper.te', `allow $1_gpg_t $1_gph_t:fd use;')
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# Inherit and use descriptors
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allow $1_gpg_t { privfd $1_t }:fd use;
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# allow ps to show gpg
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can_ps($1_t, $1_gpg_t)
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# should not need read access...
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allow $1_gpg_t home_root_t:dir { read search };
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# use $1_gpg_secret_t for files it creates
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# NB we are doing the type transition for directory creation only!
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# so ~/.gnupg will be of $1_gpg_secret_t, then files created under it such as
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# secring.gpg will be of $1_gpg_secret_t too. But when you use gpg to decrypt
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# a file and write output to your home directory it will use user_home_t.
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file_type_auto_trans($1_gpg_t, $1_home_dir_t, $1_gpg_secret_t, dir)
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file_type_auto_trans($1_gpg_t, $1_home_dir_t, $1_home_t, file)
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create_dir_file($1_gpg_t, $1_home_t)
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# allow the usual access to /tmp
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file_type_auto_trans($1_gpg_t, tmp_t, $1_tmp_t)
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if (use_nfs_home_dirs) {
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create_dir_file($1_gpg_t, nfs_t)
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}
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if (use_samba_home_dirs) {
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create_dir_file($1_gpg_t, cifs_t)
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}
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rw_dir_create_file($1_gpg_t, $1_file_type)
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allow $1_t $1_gpg_secret_t:dir rw_dir_perms;
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dontaudit $1_gpg_t var_t:dir search;
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') dnl end TODO
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########################################
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#
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# GPG helper local policy
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#
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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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# transition from the gpg domain to the helper domain
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allow $1_gpg_t $1_gpg_helper_t:process transition;
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allow $1_gpg_t gpg_helper_exec_t:file { getattr read execute };
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type_transition $1_gpg_t gpg_helper_exec_t:process $1_gpg_helper_t;
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allow $1_gpg_helper_t self:unix_stream_socket { create ioctl read getattr write setattr append bind connect getopt setopt shutdown listen accept };
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allow $1_gpg_helper_t self:tcp_socket { create connect ioctl read getattr write setattr append bind getopt setopt shutdown };
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allow $1_gpg_helper_t self:udp_socket { create connect ioctl read getattr write setattr append bind getopt setopt shutdown };
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dontaudit $1_gpg_helper_t $1_gpg_secret_t:file read;
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corenetwork_network_tcp_on_all_interfaces($1_gpg_helper_t)
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corenetwork_network_raw_on_all_interfaces($1_gpg_helper_t)
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corenetwork_network_udp_on_all_interfaces($1_gpg_helper_t)
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corenetwork_network_tcp_on_all_nodes($1_gpg_helper_t)
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corenetwork_network_udp_on_all_nodes($1_gpg_helper_t)
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corenetwork_network_raw_on_all_nodes($1_gpg_helper_t)
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corenetwork_network_tcp_on_all_ports($1_gpg_helper_t)
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corenetwork_network_udp_on_all_ports($1_gpg_helper_t)
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corenetwork_bind_tcp_on_all_nodes($1_gpg_helper_t)
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corenetwork_bind_udp_on_all_nodes($1_gpg_helper_t)
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devices_get_pseudorandom_data($1_gpg_helper_t)
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files_read_general_system_config($1_gpg_helper_t)
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# for nscd
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files_ignore_search_system_state_data_directory($1_gpg_helper_t)
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libraries_use_dynamic_loader($1_gpg_helper_t)
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libraries_read_shared_libraries($1_gpg_helper_t)
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sysnetwork_read_network_config($1_gpg_helper_t)
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ifdef(`TODO',`
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if (use_nfs_home_dirs) {
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dontaudit $1_gpg_helper_t nfs_t:file { read write };
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}
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if (use_samba_home_dirs) {
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dontaudit $1_gpg_helper_t cifs_t:file { read write };
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}
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# communicate with the user
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allow $1_gpg_helper_t $1_t:fd use;
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allow $1_gpg_helper_t $1_t:fifo_file write;
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ifdef(`xdm.te', `
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dontaudit $1_gpg_t xdm_t:fd use;
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dontaudit $1_gpg_t xdm_t:fifo_file read;
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')
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') dnl end TODO
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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 $1_gpg_agent_t self:process setrlimit;
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allow $1_gpg_agent_t self:unix_stream_socket { create ioctl read getattr write setattr append bind connect getopt setopt shutdown listen accept };
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allow $1_gpg_agent_t self:fifo_file { getattr read write };
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allow $1_t $1_gpg_agent_tmp_t:dir { create read getattr lock setattr ioctl link unlink rename search add_name remove_name reparent write rmdir };
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allow $1_t $1_gpg_agent_tmp_t:file { create ioctl read getattr lock write setattr append link unlink rename };
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allow $1_t $1_gpg_agent_tmp_t:sock_file { create ioctl read getattr lock write setattr append link unlink rename };
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files_create_private_tmp_data($1_gpg_agent_t, $1_gpg_agent_tmp_t, { file sock_file dir })
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domain_use_widely_inheritable_file_descriptors($1_gpg_agent_t)
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libraries_use_dynamic_loader($1_gpg_agent_t)
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libraries_read_shared_libraries($1_gpg_agent_t)
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miscfiles_read_localization($1_gpg_agent_t)
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ifdef(`TODO',`
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# Transition from the user domain to the derived domain.
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domain_auto_trans($1_t, gpg_agent_exec_t, $1_gpg_agent_t)
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allow $1_gpg_agent_t xdm_t:fd use;
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# Write to the user domain tty.
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access_terminal($1_gpg_agent_t, $1)
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# Allow the user shell to signal the gpg-agent program.
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allow $1_t $1_gpg_agent_t:process { signal sigkill };
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# allow ps to show gpg-agent
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can_ps($1_t, $1_gpg_agent_t)
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allow $1_gpg_agent_t proc_t:dir search;
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allow $1_gpg_agent_t proc_t:lnk_file read;
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allow $1_gpg_agent_t device_t:dir { getattr read };
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# read and write ~/.gnupg (gpg-agent stores secret keys in ~/.gnupg/private-keys-v1.d )
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allow $1_gpg_agent_t { home_root_t $1_home_dir_t }:dir search;
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create_dir_file($1_gpg_agent_t, $1_gpg_secret_t)
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if (use_nfs_home_dirs) {
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create_dir_file($1_gpg_agent_t, nfs_t)
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}
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if (use_samba_home_dirs) {
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create_dir_file($1_gpg_agent_t, cifs_t)
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}
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# gpg connect
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allow $1_gpg_t $1_gpg_agent_tmp_t:dir search;
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allow $1_gpg_t $1_gpg_agent_tmp_t:sock_file write;
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can_unix_connect($1_gpg_t, $1_gpg_agent_t)
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') dnl endif TODO
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##############################
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#
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# Pinentry local policy
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#
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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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allow $1_gpg_agent_t $1_gpg_pinentry_t:process transition;
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allow $1_gpg_agent_t pinentry_exec_t:file { getattr read execute };
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type_transition $1_gpg_agent_t pinentry_exec_t:process $1_gpg_pinentry_t;
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allow $1_gpg_pinentry_t self:unix_stream_socket { connect create getattr read shutdown write };
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allow $1_gpg_pinentry_t self:fifo_file { getattr read write };
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# read /proc/meminfo
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kernel_read_system_state($1_gpg_pinentry_t)
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files_read_general_application_resources($1_gpg_pinentry_t)
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# read /etc/X11/qtrc
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files_read_general_system_config($1_gpg_pinentry_t)
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libraries_use_dynamic_loader($1_gpg_pinentry_t)
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libraries_read_shared_libraries($1_gpg_pinentry_t)
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miscfiles_read_fonts($1_gpg_pinentry_t)
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miscfiles_read_localization($1_gpg_pinentry_t)
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ifdef(`TODO',`
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allow $1_gpg_agent_t bin_t:dir search;
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ifdef(`xdm.te', `
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allow $1_gpg_pinentry_t xdm_xserver_tmp_t:dir search;
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allow $1_gpg_pinentry_t xdm_xserver_tmp_t:sock_file { read write };
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can_unix_connect($1_gpg_pinentry_t, xdm_xserver_t)
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allow $1_gpg_pinentry_t xdm_t:fd use;
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')dnl end ig xdm.te
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allow $1_gpg_pinentry_t { tmp_t home_root_t }:dir { getattr search };
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# for .Xauthority
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allow $1_gpg_pinentry_t $1_home_dir_t:dir { getattr search };
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allow $1_gpg_pinentry_t $1_home_t:file { getattr read };
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# wants to put some lock files into the user home dir, seems to work fine without
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dontaudit $1_gpg_pinentry_t $1_home_t:dir { read write };
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dontaudit $1_gpg_pinentry_t $1_home_t:file write;
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if (use_nfs_home_dirs) {
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allow $1_gpg_pinentry_t nfs_t:dir { getattr search };
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allow $1_gpg_pinentry_t nfs_t:file { getattr read };
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dontaudit $1_gpg_pinentry_t nfs_t:dir { read write };
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dontaudit $1_gpg_pinentry_t nfs_t:file write;
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}
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if (use_samba_home_dirs) {
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allow $1_gpg_pinentry_t cifs_t:dir { getattr search };
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allow $1_gpg_pinentry_t cifs_t:file { getattr read };
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dontaudit $1_gpg_pinentry_t cifs_t:dir { read write };
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dontaudit $1_gpg_pinentry_t cifs_t:file write;
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}
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dontaudit $1_gpg_pinentry_t { sysctl_t sysctl_kernel_t }:dir { getattr search };
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') dnl end TODO
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') dnl end gpg_per_userdomain_template
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@ -0,0 +1,28 @@
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# Copyright (C) 2005 Tresys Technology, LLC
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policy_module(gpg, 1.0)
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########################################
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#
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# Declarations
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#
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# Allow gpg exec stack
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bool allow_gpg_execstack false;
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# Type for gpg or pgp executables.
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type gpg_exec_t;
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type gpg_helper_exec_t;
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files_make_file(gpg_exec_t)
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files_make_file(gpg_helper_exec_t)
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# Type for the gpg-agent executable.
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type gpg_agent_exec_t;
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files_make_file(gpg_agent_exec_t)
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# type for the pinentry executable
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type pinentry_exec_t;
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files_make_file(pinentry_exec_t)
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#allow sysadm_gpg_t { home_root_t user_home_dir_t }:dir search;
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#allow sysadm_gpg_t ptyfile:chr_file rw_file_perms;
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@ -0,0 +1,16 @@
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# Copyright (C) 2005 Tresys Technology, LLC
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#######################################
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#
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# clock_modify_drift_records(domain)
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#
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define(`clock_modify_drift_records',`
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requires_block_template(`$0'_depend)
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# FIXME: search etc_t dir
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allow $1 adjtime_t:file { getattr read write ioctl lock append };
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')
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define(`clock_modify_drift_records_depend',`
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type adjtime_t;
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class file { getattr read write ioctl lock append };
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||||
')
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