118 lines
3.1 KiB
Plaintext
118 lines
3.1 KiB
Plaintext
#
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# Macros for lpr domains.
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#
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#
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# Authors: Stephen Smalley <sds@epoch.ncsc.mil> and Timothy Fraser
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#
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#
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# lpr_domain(domain_prefix)
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#
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# Define a derived domain for the lpr/lpq/lprm programs when executed
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# by a user domain.
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#
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# The type declaration for the executable type for this program is
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# provided separately in domains/program/lpr.te.
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#
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undefine(`lpr_domain')
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define(`lpr_domain',`
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# Derived domain based on the calling user domain and the program
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type $1_lpr_t, domain, privlog, nscd_client_domain;
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# Transition from the user domain to the derived domain.
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domain_auto_trans($1_t, lpr_exec_t, $1_lpr_t)
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allow $1_t $1_lpr_t:process signull;
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# allow using shared objects, accessing root dir, etc
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uses_shlib($1_lpr_t)
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read_locale($1_lpr_t)
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# The user role is authorized for this domain.
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role $1_r types $1_lpr_t;
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# This domain is granted permissions common to most domains (including can_net)
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can_network_client($1_lpr_t)
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allow $1_lpr_t port_type:tcp_socket name_connect;
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can_ypbind($1_lpr_t)
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# Use capabilities.
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allow $1_lpr_t $1_lpr_t:capability { setuid dac_override net_bind_service chown };
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allow $1_lpr_t self:unix_stream_socket create_stream_socket_perms;
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# for lpd config files (should have a new type)
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r_dir_file($1_lpr_t, etc_t)
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# for test print
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r_dir_file($1_lpr_t, usr_t)
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ifdef(`lpd.te', `
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r_dir_file($1_lpr_t, printconf_t)
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')
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tmp_domain($1_lpr)
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# Type for spool files.
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type $1_print_spool_t, file_type, sysadmfile;
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# Use this type when creating files in /var/spool/lpd and /var/spool/cups.
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file_type_auto_trans($1_lpr_t, print_spool_t, $1_print_spool_t, file)
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allow $1_lpr_t var_spool_t:dir search;
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# for /dev/null
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allow $1_lpr_t device_t:dir search;
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# Access the terminal.
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access_terminal($1_lpr_t, $1)
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# Inherit and use descriptors from gnome-pty-helper.
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ifdef(`gnome-pty-helper.te', `allow $1_lpr_t $1_gph_t:fd use;')
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allow $1_lpr_t privfd:fd use;
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# Read user files.
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read_content(sysadm_lpr_t, $1)
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read_content($1_lpr_t, $1)
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# Read and write shared files in the spool directory.
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allow $1_lpr_t print_spool_t:file rw_file_perms;
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# lpr can run in lightweight mode, without a local print spooler. If the
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# lpd policy is present, grant some permissions for this domain and the lpd
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# domain to interact.
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ifdef(`lpd.te', `
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allow $1_lpr_t { var_t var_run_t }:dir search;
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allow $1_lpr_t lpd_var_run_t:dir search;
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allow $1_lpr_t lpd_var_run_t:sock_file write;
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# Allow lpd to read, rename, and unlink spool files.
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allow lpd_t $1_print_spool_t:file r_file_perms;
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allow lpd_t $1_print_spool_t:file link_file_perms;
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# Connect to lpd via a Unix domain socket.
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allow $1_lpr_t printer_t:sock_file rw_file_perms;
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can_unix_connect($1_lpr_t, lpd_t)
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dontaudit $1_lpr_t $1_t:unix_stream_socket { read write };
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# Connect to lpd via a TCP socket.
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can_tcp_connect($1_lpr_t, lpd_t)
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allow $1_lpr_t fs_t:filesystem getattr;
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# Send SIGHUP to lpd.
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allow $1_lpr_t lpd_t:process signal;
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')dnl end if lpd.te
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ifdef(`xdm.te', `
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can_pipe_xdm($1_lpr_t)
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')
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ifdef(`cups.te', `
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allow { $1_lpr_t $1_t } cupsd_etc_t:dir search;
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allow $1_lpr_t { cupsd_etc_t cupsd_rw_etc_t }:file { getattr read };
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can_tcp_connect({ $1_lpr_t $1_t }, cupsd_t)
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')dnl end ifdef cups.te
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')dnl end macro definition
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