261 lines
7.5 KiB
Plaintext
261 lines
7.5 KiB
Plaintext
## <summary>Policy for UML</summary>
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#######################################
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## <summary>
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## The per user domain template for the uml module.
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## </summary>
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## <desc>
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## <p>
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## This template creates a derived domains which are used
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## for uml program.
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## </p>
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## <p>
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## This template is invoked automatically for each user, and
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## generally does not need to be invoked directly
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## by policy writers.
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## </p>
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## </desc>
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## <param name="userdomain_prefix">
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## <summary>
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## The prefix of the user domain (e.g., user
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## is the prefix for user_t).
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## </summary>
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## </param>
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## <param name="user_domain">
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## <summary>
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## The type of the user domain.
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## </summary>
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## </param>
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## <param name="user_role">
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## <summary>
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## The role associated with the user domain.
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## </summary>
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## </param>
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#
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template(`uml_per_userdomain_template',`
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########################################
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#
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# Declarations
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#
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type $1_uml_t;
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domain_type($1_uml_t)
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role $3 types $1_uml_t;
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type $1_uml_exec_t;
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domain_entry_file($1_uml_t,$1_uml_exec_t)
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type $1_uml_ro_t;
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files_type($1_uml_ro_t)
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type $1_uml_rw_t;
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files_type($1_uml_rw_t)
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type $1_uml_tmp_t;
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files_tmp_file($1_uml_tmp_t)
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type $1_uml_tmpfs_t;
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files_tmpfs_file($1_uml_tmpfs_t)
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type $1_uml_devpts_t;
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term_pty($1_uml_devpts_t)
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########################################
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#
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# Local policy
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#
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allow $1_uml_t self:fifo_file rw_file_perms;
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allow $1_uml_t self:process { signal_perms ptrace };
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allow $1_uml_t self:unix_stream_socket create_stream_socket_perms;
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allow $1_uml_t self:unix_dgram_socket create_socket_perms;
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# Use the network.
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allow $1_uml_t self:tcp_socket create_stream_socket_perms;
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allow $1_uml_t self:udp_socket create_socket_perms;
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allow $1_uml_t $2:process sigchld;
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allow $1_uml_t $2:fifo_file { ioctl read write getattr lock append };
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# allow the UML thing to happen
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allow $1_uml_t $1_uml_devpts_t:chr_file { rw_file_perms setattr };
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term_create_pty($1_uml_t,$1_uml_devpts_t)
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allow $1_uml_t $1_uml_tmp_t:dir create_dir_perms;
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allow $1_uml_t $1_uml_tmp_t:file create_file_perms;
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files_tmp_filetrans($1_uml_t, $1_uml_tmp_t, { file dir })
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can_exec($1_uml_t, $1_uml_tmp_t)
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allow $1_uml_t $1_uml_tmpfs_t:dir { read getattr lock search ioctl add_name remove_name write };
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allow $1_uml_t $1_uml_tmpfs_t:file { create ioctl read getattr lock write setattr append link unlink rename };
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allow $1_uml_t $1_uml_tmpfs_t:lnk_file { create read getattr setattr link unlink rename };
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allow $1_uml_t $1_uml_tmpfs_t:sock_file { create ioctl read getattr lock write setattr append link unlink rename };
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allow $1_uml_t $1_uml_tmpfs_t:fifo_file { create ioctl read getattr lock write setattr append link unlink rename };
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fs_tmpfs_filetrans($1_uml_t,$1_uml_tmpfs_t,{ dir file lnk_file sock_file fifo_file })
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can_exec($1_uml_t, $1_uml_tmpfs_t)
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# access config files
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allow $1_uml_t { $1_uml_ro_t uml_ro_t }:dir r_dir_perms;
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allow $1_uml_t { $1_uml_ro_t uml_ro_t }:file r_file_perms;
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allow $1_uml_t { $1_uml_ro_t uml_ro_t }:lnk_file { getattr read };
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allow $1_uml_t $1_uml_rw_t:dir create_dir_perms;
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allow $1_uml_t $1_uml_rw_t:file create_file_perms;
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allow $1_uml_t $1_uml_rw_t:lnk_file create_lnk_perms;
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allow $1_uml_t $1_uml_rw_t:sock_file create_file_perms;
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allow $1_uml_t $1_uml_rw_t:fifo_file create_file_perms;
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userdom_user_home_dir_filetrans($1,$1_uml_t,$1_uml_rw_t,{ file lnk_file sock_file fifo_file })
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allow $2 uml_ro_t:dir r_dir_perms;
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allow $2 uml_ro_t:file r_file_perms;
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allow $2 uml_ro_t:lnk_file { getattr read };
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allow $2 { $1_uml_ro_t $1_uml_rw_t }:{ file sock_file fifo_file } { relabelfrom relabelto create_file_perms };
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allow $2 { $1_uml_ro_t $1_uml_rw_t }:lnk_file { relabelfrom relabelto create_lnk_perms };
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allow $2 { $1_uml_ro_t $1_uml_rw_t $1_uml_exec_t }:dir { relabelfrom relabelto create_dir_perms };
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allow $2 $1_uml_exec_t:file { relabelfrom relabelto create_file_perms };
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allow $2 $1_uml_t:process ptrace;
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allow $2 $1_uml_t:process signal_perms;
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# allow ps, ptrace, signal
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allow $2 $1_uml_t:dir { search getattr read };
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allow $2 $1_uml_t:{ file lnk_file } { read getattr };
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allow $2 $1_uml_t:process getattr;
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# We need to suppress this denial because procps tries to access
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# /proc/pid/environ and this now triggers a ptrace check in recent kernels
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# (2.4 and 2.6). Might want to change procps to not do this, or only if
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# running in a privileged domain.
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dontaudit $2 $1_uml_t:process ptrace;
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allow $2 $1_uml_tmp_t:dir create_dir_perms;
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allow $2 $1_uml_tmp_t:file create_file_perms;
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allow $2 $1_uml_tmp_t:lnk_file create_lnk_perms;
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allow $2 $1_uml_tmp_t:sock_file create_file_perms;
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# Transition from the user domain to this domain.
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domain_auto_trans($2, { uml_exec_t $1_uml_exec_t }, $1_uml_t)
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can_exec($1_uml_t, { uml_exec_t $1_uml_exec_t })
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# for mconsole
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allow { $2 $1_uml_t } $1_uml_t:unix_dgram_socket sendto;
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allow $1_uml_t $2:unix_dgram_socket sendto;
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kernel_read_system_state($1_uml_t)
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# for SKAS - need something better
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kernel_write_proc_files($1_uml_t)
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# for xterm
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corecmd_exec_bin($1_uml_t)
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corecmd_exec_sbin($1_uml_t)
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corenet_non_ipsec_sendrecv($1_uml_t)
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corenet_tcp_sendrecv_generic_if($1_uml_t)
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corenet_udp_sendrecv_generic_if($1_uml_t)
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corenet_tcp_sendrecv_all_nodes($1_uml_t)
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corenet_udp_sendrecv_all_nodes($1_uml_t)
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corenet_tcp_sendrecv_all_ports($1_uml_t)
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corenet_udp_sendrecv_all_ports($1_uml_t)
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corenet_tcp_connect_all_ports($1_uml_t)
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corenet_sendrecv_all_client_packets($1_uml_t)
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corenet_rw_tun_tap_dev($1_uml_t)
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domain_use_interactive_fds($1_uml_t)
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# for xterm
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files_read_etc_files($1_uml_t)
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files_dontaudit_read_etc_runtime_files($1_uml_t)
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# putting uml data under /var is usual...
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files_search_var($1_uml_t)
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fs_getattr_xattr_fs($1_uml_t)
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init_read_utmp($1_uml_t)
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init_dontaudit_write_utmp($1_uml_t)
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# for xterm
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libs_use_ld_so($1_uml_t)
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libs_use_shared_libs($1_uml_t)
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libs_exec_lib_files($1_uml_t)
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# Inherit and use descriptors from newrole.
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seutil_use_newrole_fds($1_uml_t)
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# Use the network.
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sysnet_read_config($1_uml_t)
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userdom_use_user_terminals($1,$1_uml_t)
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optional_policy(`
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nis_use_ypbind($1_uml_t)
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')
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optional_policy(`
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ssh_tcp_connect($1_uml_t)
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')
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ifdef(`TODO',`
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# for X
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optional_policy(`
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ifelse($1, sysadm,`
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',`
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optional_policy(`
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allow $1_uml_t xdm_xserver_tmp_t:dir search;
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')
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allow $1_uml_t $1_xserver_tmp_t:sock_file write;
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allow $1_uml_t $1_xserver_t:unix_stream_socket connectto;
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')
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')
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optional_policy(`
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# for uml_net
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domain_auto_trans($1_uml_t, uml_net_exec_t, uml_net_t)
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allow uml_net_t $1_uml_t:unix_stream_socket { read write };
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allow uml_net_t $1_uml_t:unix_dgram_socket { read write };
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dontaudit uml_net_t privfd:fd use;
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can_access_pty(uml_net_t, $1_uml)
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dontaudit uml_net_t $1_uml_rw_t:dir { getattr search };
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')
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#TODO
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optional_policy(`
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allow $1_uml_t $1_xauth_home_t:file { getattr read };
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')
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')
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')
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########################################
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## <summary>
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## Set attributes on uml utility socket files.
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## </summary>
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## <param name="domain">
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## <summary>
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## Domain allowed access.
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## </summary>
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## </param>
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#
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interface(`uml_setattr_util_sockets',`
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gen_require(`
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type uml_switch_var_run_t;
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')
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allow $1 uml_switch_var_run_t:sock_file setattr;
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')
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########################################
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## <summary>
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## Manage uml utility files.
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## </summary>
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## <param name="domain">
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## <summary>
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## Domain allowed access.
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## </summary>
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## </param>
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#
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interface(`uml_manage_util_files',`
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gen_require(`
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type uml_switch_var_run_t;
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')
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allow $1 uml_switch_var_run_t:dir rw_dir_perms;
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allow $1 uml_switch_var_run_t:file create_file_perms;
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allow $1 uml_switch_var_run_t:lnk_file create_lnk_perms;
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')
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