9fa4defbd4
Use permission sets where possible. Use permission sets where possible. Use permission sets where possible. Use permission sets where possible. Use permission sets where possible. Use permission sets where possible. Use permission sets where possible. Use permission sets where possible. Use permission sets where possible. Squash with 84812bc8dd814709734c2b6d1ef2ff2b84adc35d Syntax error.
721 lines
15 KiB
Plaintext
721 lines
15 KiB
Plaintext
## <summary>Periodic execution of scheduled commands.</summary>
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#######################################
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## <summary>
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## The common rules for a crontab domain.
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## </summary>
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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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#
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template(`cron_common_crontab_template',`
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gen_require(`
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type crond_t, crond_var_run_t, crontab_exec_t;
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type cron_spool_t, user_cron_spool_t;
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')
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##############################
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#
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# Declarations
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#
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type $1_t;
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application_domain($1_t, crontab_exec_t)
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ubac_constrained($1_t)
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type $1_tmp_t;
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files_tmp_file($1_tmp_t)
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##############################
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#
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# Local policy
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#
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# dac_override is to create the file in the directory under /tmp
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allow $1_t self:capability { fowner setuid setgid chown dac_override };
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allow $1_t self:process { setsched signal_perms };
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allow $1_t self:fifo_file rw_fifo_file_perms;
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allow $1_t crond_t:process signal;
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allow $1_t crond_var_run_t:file read_file_perms;
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manage_dirs_pattern($1_t, $1_tmp_t, $1_tmp_t)
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manage_files_pattern($1_t, $1_tmp_t, $1_tmp_t)
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files_tmp_filetrans($1_t, $1_tmp_t, { dir file })
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# create files in /var/spool/cron
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manage_files_pattern($1_t, { cron_spool_t user_cron_spool_t }, user_cron_spool_t)
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filetrans_pattern($1_t, cron_spool_t, user_cron_spool_t, file)
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files_list_spool($1_t)
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# crontab signals crond by updating the mtime on the spooldir
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allow $1_t cron_spool_t:dir setattr_dir_perms;
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kernel_read_system_state($1_t)
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# for the checks used by crontab -u
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selinux_dontaudit_search_fs($1_t)
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fs_getattr_xattr_fs($1_t)
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domain_use_interactive_fds($1_t)
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files_read_etc_files($1_t)
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files_read_usr_files($1_t)
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files_dontaudit_search_pids($1_t)
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auth_domtrans_chk_passwd($1_t)
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logging_send_syslog_msg($1_t)
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logging_send_audit_msgs($1_t)
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logging_set_loginuid($1_t)
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init_dontaudit_write_utmp($1_t)
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init_read_utmp($1_t)
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miscfiles_read_localization($1_t)
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seutil_read_config($1_t)
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userdom_manage_user_tmp_dirs($1_t)
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userdom_manage_user_tmp_files($1_t)
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# Access terminals.
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userdom_use_user_terminals($1_t)
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# Read user crontabs
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userdom_read_user_home_content_files($1_t)
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userdom_read_user_home_content_symlinks($1_t)
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tunable_policy(`fcron_crond',`
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# fcron wants an instant update of a crontab change for the administrator
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# also crontab does a security check for crontab -u
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dontaudit $1_t crond_t:process signal;
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')
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optional_policy(`
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nscd_socket_use($1_t)
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')
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')
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########################################
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## <summary>
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## Role access for cron
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## </summary>
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## <param name="role">
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## <summary>
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## Role allowed access
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## </summary>
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## </param>
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## <param name="domain">
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## <summary>
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## User domain for the role
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## </summary>
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## </param>
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## <rolecap/>
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#
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interface(`cron_role',`
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gen_require(`
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type cronjob_t, crontab_t, crontab_exec_t;
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type user_cron_spool_t, crond_t;
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')
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role $1 types { cronjob_t crontab_t };
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# cronjob shows up in user ps
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ps_process_pattern($2, cronjob_t)
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# Transition from the user domain to the derived domain.
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domtrans_pattern($2, crontab_exec_t, crontab_t)
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allow crond_t $2:process transition;
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dontaudit crond_t $2:process { noatsecure siginh rlimitinh };
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allow $2 crond_t:process sigchld;
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# needs to be authorized SELinux context for cron
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allow $2 user_cron_spool_t:file entrypoint;
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# crontab shows up in user ps
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ps_process_pattern($2, crontab_t)
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allow $2 crontab_t:process { ptrace signal_perms };
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# Run helper programs as the user domain
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#corecmd_bin_domtrans(crontab_t, $2)
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#corecmd_shell_domtrans(crontab_t, $2)
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corecmd_exec_bin(crontab_t)
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corecmd_exec_shell(crontab_t)
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optional_policy(`
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gen_require(`
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class dbus send_msg;
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')
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dbus_stub(cronjob_t)
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allow cronjob_t $2:dbus send_msg;
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')
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')
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########################################
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## <summary>
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## Role access for unconfined cronjobs
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## </summary>
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## <param name="role">
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## <summary>
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## Role allowed access
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## </summary>
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## </param>
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## <param name="domain">
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## <summary>
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## User domain for the role
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## </summary>
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## </param>
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## <rolecap/>
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#
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interface(`cron_unconfined_role',`
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gen_require(`
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type unconfined_cronjob_t;
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')
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role $1 types unconfined_cronjob_t;
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# cronjob shows up in user ps
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ps_process_pattern($2, unconfined_cronjob_t)
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allow $2 unconfined_cronjob_t:process { ptrace signal_perms };
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optional_policy(`
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gen_require(`
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class dbus send_msg;
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')
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dbus_stub(unconfined_cronjob_t)
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allow unconfined_cronjob_t $2:dbus send_msg;
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')
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')
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########################################
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## <summary>
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## Role access for cron
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## </summary>
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## <param name="role">
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## <summary>
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## Role allowed access
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## </summary>
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## </param>
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## <param name="domain">
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## <summary>
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## User domain for the role
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## </summary>
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## </param>
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## <rolecap/>
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#
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interface(`cron_admin_role',`
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gen_require(`
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type cronjob_t, crontab_exec_t, admin_crontab_t, admin_crontab_tmp_t;
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class passwd crontab;
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')
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role $1 types { cronjob_t admin_crontab_t admin_crontab_tmp_t };
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# cronjob shows up in user ps
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ps_process_pattern($2, cronjob_t)
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# Manipulate other users crontab.
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allow $2 self:passwd crontab;
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# Transition from the user domain to the derived domain.
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domtrans_pattern($2, crontab_exec_t, admin_crontab_t)
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# crontab shows up in user ps
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ps_process_pattern($2, admin_crontab_t)
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allow $2 admin_crontab_t:process { ptrace signal_perms };
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# Run helper programs as the user domain
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#corecmd_bin_domtrans(admin_crontab_t, $2)
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#corecmd_shell_domtrans(admin_crontab_t, $2)
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corecmd_exec_bin(admin_crontab_t)
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corecmd_exec_shell(admin_crontab_t)
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optional_policy(`
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gen_require(`
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class dbus send_msg;
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')
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dbus_stub(admin_cronjob_t)
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allow cronjob_t $2:dbus send_msg;
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')
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')
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########################################
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## <summary>
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## Make the specified program domain accessable
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## from the system cron jobs.
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## </summary>
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## <param name="domain">
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## <summary>
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## The type of the process to transition to.
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## </summary>
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## </param>
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## <param name="entrypoint">
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## <summary>
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## The type of the file used as an entrypoint to this domain.
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## </summary>
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## </param>
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#
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interface(`cron_system_entry',`
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gen_require(`
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type crond_t, system_cronjob_t;
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')
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domtrans_pattern(system_cronjob_t, $2, $1)
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domtrans_pattern(crond_t, $2, $1)
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role system_r types $1;
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')
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########################################
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## <summary>
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## Execute cron in the cron system domain.
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## </summary>
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## <param name="domain">
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## <summary>
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## Domain allowed to transition.
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## </summary>
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## </param>
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#
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interface(`cron_domtrans',`
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gen_require(`
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type system_cronjob_t, crond_exec_t;
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')
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domtrans_pattern($1, crond_exec_t, system_cronjob_t)
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')
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########################################
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## <summary>
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## Execute crond_exec_t
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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(`cron_exec',`
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gen_require(`
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type crond_exec_t;
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')
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can_exec($1, crond_exec_t)
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')
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########################################
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## <summary>
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## Execute crond server in the crond domain.
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## </summary>
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## <param name="domain">
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## <summary>
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## Domain allowed to transition.
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## </summary>
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## </param>
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#
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interface(`cron_initrc_domtrans',`
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gen_require(`
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type crond_initrc_exec_t;
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')
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init_labeled_script_domtrans($1, crond_initrc_exec_t)
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')
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########################################
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## <summary>
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## Inherit and use a file descriptor
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## from the cron daemon.
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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(`cron_use_fds',`
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gen_require(`
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type crond_t;
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')
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allow $1 crond_t:fd use;
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')
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########################################
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## <summary>
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## Send a SIGCHLD signal to the cron daemon.
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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(`cron_sigchld',`
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gen_require(`
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type crond_t;
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')
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allow $1 crond_t:process sigchld;
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')
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########################################
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## <summary>
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## Read a cron daemon unnamed pipe.
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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(`cron_read_pipes',`
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gen_require(`
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type crond_t;
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')
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allow $1 crond_t:fifo_file read_fifo_file_perms;
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')
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########################################
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## <summary>
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## Do not audit attempts to write cron daemon unnamed pipes.
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## </summary>
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## <param name="domain">
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## <summary>
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## Domain to not audit.
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## </summary>
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## </param>
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#
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interface(`cron_dontaudit_write_pipes',`
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gen_require(`
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type crond_t;
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')
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dontaudit $1 crond_t:fifo_file write;
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')
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########################################
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## <summary>
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## Read and write a cron daemon unnamed pipe.
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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(`cron_rw_pipes',`
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gen_require(`
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type crond_t;
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')
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allow $1 crond_t:fifo_file rw_inherited_fifo_file_perms;
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')
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########################################
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## <summary>
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## Read and write inherited user spool 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(`cron_rw_inherited_user_spool_files',`
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gen_require(`
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type user_cron_spool_t;
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')
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allow $1 user_cron_spool_t:file rw_inherited_file_perms;
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')
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########################################
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## <summary>
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## Read and write inherited spool 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(`cron_rw_inherited_spool_files',`
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gen_require(`
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type cron_spool_t;
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')
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allow $1 cron_spool_t:file rw_inherited_file_perms;
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')
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########################################
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## <summary>
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## Read, and write cron daemon TCP sockets.
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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(`cron_rw_tcp_sockets',`
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gen_require(`
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type crond_t;
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')
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allow $1 crond_t:tcp_socket { read write };
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')
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########################################
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## <summary>
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## Dontaudit Read, and write cron daemon TCP sockets.
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## </summary>
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## <param name="domain">
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## <summary>
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## Domain to not audit.
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## </summary>
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## </param>
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#
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interface(`cron_dontaudit_rw_tcp_sockets',`
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gen_require(`
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type crond_t;
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')
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dontaudit $1 crond_t:tcp_socket { read write };
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')
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########################################
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## <summary>
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## Search the directory containing user cron tables.
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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(`cron_search_spool',`
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gen_require(`
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type cron_spool_t;
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')
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files_search_spool($1)
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allow $1 cron_spool_t:dir search_dir_perms;
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')
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########################################
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## <summary>
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## Manage pid files used by cron
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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(`cron_manage_pid_files',`
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gen_require(`
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type crond_var_run_t;
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')
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files_search_pids($1)
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manage_files_pattern($1, crond_var_run_t, crond_var_run_t)
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')
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########################################
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## <summary>
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## Execute anacron in the cron system domain.
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## </summary>
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## <param name="domain">
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## <summary>
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## Domain allowed to transition.
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## </summary>
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## </param>
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#
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interface(`cron_anacron_domtrans_system_job',`
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gen_require(`
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type system_cronjob_t, anacron_exec_t;
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')
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domtrans_pattern($1, anacron_exec_t, system_cronjob_t)
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')
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########################################
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## <summary>
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## Inherit and use a file descriptor
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## from system cron jobs.
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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(`cron_use_system_job_fds',`
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gen_require(`
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type system_cronjob_t;
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')
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allow $1 system_cronjob_t:fd use;
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')
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########################################
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## <summary>
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## Write a system cron job unnamed pipe.
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## </summary>
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## <param name="domain">
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## <summary>
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## Domain allowed access.
|
|
## </summary>
|
|
## </param>
|
|
#
|
|
interface(`cron_write_system_job_pipes',`
|
|
gen_require(`
|
|
type system_cronjob_t;
|
|
')
|
|
|
|
allow $1 system_cronjob_t:fifo_file write;
|
|
')
|
|
|
|
########################################
|
|
## <summary>
|
|
## Read and write a system cron job unnamed pipe.
|
|
## </summary>
|
|
## <param name="domain">
|
|
## <summary>
|
|
## Domain allowed access.
|
|
## </summary>
|
|
## </param>
|
|
#
|
|
interface(`cron_rw_system_job_pipes',`
|
|
gen_require(`
|
|
type system_cronjob_t;
|
|
')
|
|
|
|
allow $1 system_cronjob_t:fifo_file rw_inherited_fifo_file_perms;
|
|
')
|
|
|
|
########################################
|
|
## <summary>
|
|
## Allow read/write unix stream sockets from the system cron jobs.
|
|
## </summary>
|
|
## <param name="domain">
|
|
## <summary>
|
|
## Domain allowed access.
|
|
## </summary>
|
|
## </param>
|
|
#
|
|
interface(`cron_rw_system_job_stream_sockets',`
|
|
gen_require(`
|
|
type system_cronjob_t;
|
|
')
|
|
|
|
allow $1 system_cronjob_t:unix_stream_socket { read write };
|
|
')
|
|
|
|
########################################
|
|
## <summary>
|
|
## Read temporary files from the system cron jobs.
|
|
## </summary>
|
|
## <param name="domain">
|
|
## <summary>
|
|
## Domain allowed access.
|
|
## </summary>
|
|
## </param>
|
|
#
|
|
interface(`cron_read_system_job_tmp_files',`
|
|
gen_require(`
|
|
type system_cronjob_tmp_t, cron_var_run_t;
|
|
')
|
|
|
|
files_search_tmp($1)
|
|
allow $1 system_cronjob_tmp_t:file read_file_perms;
|
|
|
|
files_search_pids($1)
|
|
allow $1 cron_var_run_t:file read_file_perms;
|
|
')
|
|
|
|
########################################
|
|
## <summary>
|
|
## Do not audit attempts to append temporary
|
|
## files from the system cron jobs.
|
|
## </summary>
|
|
## <param name="domain">
|
|
## <summary>
|
|
## Domain to not audit.
|
|
## </summary>
|
|
## </param>
|
|
#
|
|
interface(`cron_dontaudit_append_system_job_tmp_files',`
|
|
gen_require(`
|
|
type system_cronjob_tmp_t;
|
|
')
|
|
|
|
dontaudit $1 system_cronjob_tmp_t:file append_file_perms;
|
|
')
|
|
|
|
########################################
|
|
## <summary>
|
|
## Do not audit attempts to write temporary
|
|
## files from the system cron jobs.
|
|
## </summary>
|
|
## <param name="domain">
|
|
## <summary>
|
|
## Domain to not audit.
|
|
## </summary>
|
|
## </param>
|
|
#
|
|
interface(`cron_dontaudit_write_system_job_tmp_files',`
|
|
gen_require(`
|
|
type system_cronjob_tmp_t;
|
|
type cron_var_run_t;
|
|
')
|
|
|
|
dontaudit $1 system_cronjob_tmp_t:file write_file_perms;
|
|
dontaudit $1 cron_var_run_t:file write_file_perms;
|
|
')
|
|
|
|
########################################
|
|
## <summary>
|
|
## Read temporary files from the system cron jobs.
|
|
## </summary>
|
|
## <param name="domain">
|
|
## <summary>
|
|
## Domain allowed access.
|
|
## </summary>
|
|
## </param>
|
|
#
|
|
interface(`cron_read_system_job_lib_files',`
|
|
gen_require(`
|
|
type system_cronjob_var_lib_t;
|
|
')
|
|
|
|
files_search_var_lib($1)
|
|
read_files_pattern($1, system_cronjob_var_lib_t, system_cronjob_var_lib_t)
|
|
')
|
|
|
|
########################################
|
|
## <summary>
|
|
## Manage files from the system cron jobs.
|
|
## </summary>
|
|
## <param name="domain">
|
|
## <summary>
|
|
## Domain allowed access.
|
|
## </summary>
|
|
## </param>
|
|
#
|
|
interface(`cron_manage_system_job_lib_files',`
|
|
gen_require(`
|
|
type system_cronjob_var_lib_t;
|
|
')
|
|
|
|
files_search_var_lib($1)
|
|
manage_files_pattern($1, system_cronjob_var_lib_t, system_cronjob_var_lib_t)
|
|
')
|