989 lines
20 KiB
Plaintext
989 lines
20 KiB
Plaintext
## <summary>Periodic execution of scheduled commands.</summary>
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#######################################
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## <summary>
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## The template to define a crontab domain.
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## </summary>
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## <param name="domain_prefix">
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## <summary>
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## Domain prefix to be used.
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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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attribute crontab_domain;
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type crontab_exec_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, crontab_domain;
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userdom_user_application_domain($1_t, crontab_exec_t)
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type $1_tmp_t;
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userdom_user_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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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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auth_domtrans_chk_passwd($1_t)
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auth_use_nsswitch($1_t)
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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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bool cron_userdomain_transition;
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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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role $1 types { cronjob_t crontab_t };
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##############################
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#
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# Local policy
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#
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domtrans_pattern($2, crontab_exec_t, crontab_t)
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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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allow $2 user_cron_spool_t:file { getattr read write ioctl };
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allow $2 crontab_t:process { ptrace signal_perms };
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ps_process_pattern($2, crontab_t)
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corecmd_exec_bin(crontab_t)
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corecmd_exec_shell(crontab_t)
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tunable_policy(`cron_userdomain_transition',`
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allow crond_t $2:process transition;
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allow crond_t $2:fd use;
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allow crond_t $2:key manage_key_perms;
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allow $2 user_cron_spool_t:file entrypoint;
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allow $2 crond_t:fifo_file rw_fifo_file_perms;
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allow $2 cronjob_t:process { ptrace signal_perms };
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ps_process_pattern($2, cronjob_t)
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',`
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dontaudit crond_t $2:process transition;
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dontaudit crond_t $2:fd use;
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dontaudit crond_t $2:key manage_key_perms;
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dontaudit $2 user_cron_spool_t:file entrypoint;
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dontaudit $2 crond_t:fifo_file rw_fifo_file_perms;
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dontaudit $2 cronjob_t:process { ptrace signal_perms };
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')
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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 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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#
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interface(`cron_unconfined_role',`
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gen_require(`
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type unconfined_cronjob_t, crontab_t, crontab_exec_t;
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type crond_t, user_cron_spool_t;
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bool cron_userdomain_transition;
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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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role $1 types { unconfined_cronjob_t crontab_t };
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##############################
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#
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# Local policy
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#
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domtrans_pattern($2, crontab_exec_t, crontab_t)
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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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allow $2 user_cron_spool_t:file { getattr read write ioctl };
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allow $2 crontab_t:process { ptrace signal_perms };
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ps_process_pattern($2, crontab_t)
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corecmd_exec_bin(crontab_t)
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corecmd_exec_shell(crontab_t)
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tunable_policy(`cron_userdomain_transition',`
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allow crond_t $2:process transition;
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allow crond_t $2:fd use;
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allow crond_t $2:key manage_key_perms;
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allow $2 user_cron_spool_t:file entrypoint;
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allow $2 crond_t:fifo_file rw_fifo_file_perms;
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allow $2 unconfined_cronjob_t:process { ptrace signal_perms };
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ps_process_pattern($2, unconfined_cronjob_t)
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',`
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dontaudit crond_t $2:process transition;
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dontaudit crond_t $2:fd use;
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dontaudit crond_t $2:key manage_key_perms;
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dontaudit $2 user_cron_spool_t:file entrypoint;
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dontaudit $2 crond_t:fifo_file rw_fifo_file_perms;
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dontaudit $2 unconfined_cronjob_t:process { ptrace signal_perms };
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')
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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 admin 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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#
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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;
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class passwd crontab;
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type crond_t, crond_var_run_t, user_cron_spool_t;
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bool cron_userdomain_transition, fcron_crond;
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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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role $1 types { cronjob_t admin_crontab_t };
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##############################
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#
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# Local policy
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#
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domtrans_pattern($2, crontab_exec_t, admin_crontab_t)
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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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allow $2 user_cron_spool_t:file { getattr read write ioctl };
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allow $2 admin_crontab_t:process { ptrace signal_perms };
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ps_process_pattern($2, admin_crontab_t)
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# Manipulate other users crontab.
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allow $2 self:passwd crontab;
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corecmd_exec_bin(admin_crontab_t)
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corecmd_exec_shell(admin_crontab_t)
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tunable_policy(`cron_userdomain_transition',`
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allow crond_t $2:process transition;
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allow crond_t $2:fd use;
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allow crond_t $2:key manage_key_perms;
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allow $2 user_cron_spool_t:file entrypoint;
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allow $2 crond_t:fifo_file rw_fifo_file_perms;
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allow $2 cronjob_t:process { ptrace signal_perms };
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ps_process_pattern($2, cronjob_t)
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',`
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dontaudit crond_t $2:process transition;
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dontaudit crond_t $2:fd use;
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dontaudit crond_t $2:key manage_key_perms;
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dontaudit $2 user_cron_spool_t:file entrypoint;
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dontaudit $2 crond_t:fifo_file rw_fifo_file_perms;
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dontaudit $2 cronjob_t:process { ptrace signal_perms };
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')
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tunable_policy(`fcron_crond',`
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# Support for fcrondyn
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stream_connect_pattern($2, crond_var_run_t, crond_var_run_t, crond_t)
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')
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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
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## accessable 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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type user_cron_spool_log_t;
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')
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rw_files_pattern($1, user_cron_spool_log_t, user_cron_spool_log_t)
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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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corecmd_search_bin($1)
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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 in the caller domain.
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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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corecmd_search_bin($1)
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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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## Use crond file descriptors.
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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 child terminated signals to crond.
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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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## Set the attributes of cron log 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_setattr_log_files',`
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gen_require(`
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type cron_log_t;
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')
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allow $1 cron_log_t:file setattr_file_perms;
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')
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########################################
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## <summary>
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## Create cron log 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_create_log_files',`
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gen_require(`
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type cron_log_t;
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')
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create_files_pattern($1, cron_log_t, cron_log_t)
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')
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########################################
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## <summary>
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## Write to cron log 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_write_log_files',`
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gen_require(`
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type cron_log_t;
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')
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allow $1 cron_log_t:file write_file_perms;
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')
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########################################
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## <summary>
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## Create, read, write and delete
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## cron log 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_manage_log_files',`
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gen_require(`
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type cron_log_t;
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')
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manage_files_pattern($1, cron_log_t, cron_log_t)
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logging_search_logs($1)
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')
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########################################
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## <summary>
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## Create specified objects in generic
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## log directories with the cron log file type.
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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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## <param name="object_class">
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## <summary>
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## Class of the object being created.
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## </summary>
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## </param>
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## <param name="name" optional="true">
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## <summary>
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## The name of the object being created.
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## </summary>
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## </param>
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#
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interface(`cron_generic_log_filetrans_log',`
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gen_require(`
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type cron_log_t;
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')
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logging_log_filetrans($1, cron_log_t, $2, $3)
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')
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########################################
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## <summary>
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## Read 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 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
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## 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 crond unnamed pipes.
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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_fifo_file_perms;
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')
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########################################
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## <summary>
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## Read and write crond 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',`
|
|
gen_require(`
|
|
type crond_t;
|
|
')
|
|
|
|
allow $1 crond_t:tcp_socket { read write };
|
|
')
|
|
|
|
########################################
|
|
## <summary>
|
|
## Do not audit attempts to read and
|
|
## write cron daemon TCP sockets.
|
|
## </summary>
|
|
## <param name="domain">
|
|
## <summary>
|
|
## Domain to not audit.
|
|
## </summary>
|
|
## </param>
|
|
#
|
|
interface(`cron_dontaudit_rw_tcp_sockets',`
|
|
gen_require(`
|
|
type crond_t;
|
|
')
|
|
|
|
dontaudit $1 crond_t:tcp_socket { read write };
|
|
')
|
|
|
|
########################################
|
|
## <summary>
|
|
## Search cron spool directories.
|
|
## </summary>
|
|
## <param name="domain">
|
|
## <summary>
|
|
## Domain allowed access.
|
|
## </summary>
|
|
## </param>
|
|
#
|
|
interface(`cron_search_spool',`
|
|
gen_require(`
|
|
type cron_spool_t;
|
|
')
|
|
|
|
files_search_spool($1)
|
|
allow $1 cron_spool_t:dir search_dir_perms;
|
|
')
|
|
|
|
########################################
|
|
## <summary>
|
|
## Create, read, write, and delete
|
|
## crond pid files.
|
|
## </summary>
|
|
## <param name="domain">
|
|
## <summary>
|
|
## Domain allowed access.
|
|
## </summary>
|
|
## </param>
|
|
#
|
|
interface(`cron_manage_pid_files',`
|
|
gen_require(`
|
|
type crond_var_run_t;
|
|
')
|
|
|
|
manage_files_pattern($1, crond_var_run_t, crond_var_run_t)
|
|
')
|
|
|
|
########################################
|
|
## <summary>
|
|
## Execute anacron in the cron
|
|
## system domain.
|
|
## </summary>
|
|
## <param name="domain">
|
|
## <summary>
|
|
## Domain allowed to transition.
|
|
## </summary>
|
|
## </param>
|
|
#
|
|
interface(`cron_anacron_domtrans_system_job',`
|
|
gen_require(`
|
|
type system_cronjob_t, anacron_exec_t;
|
|
')
|
|
|
|
corecmd_search_bin($1)
|
|
domtrans_pattern($1, anacron_exec_t, system_cronjob_t)
|
|
')
|
|
|
|
########################################
|
|
## <summary>
|
|
## Use system cron job file descriptors.
|
|
## </summary>
|
|
## <param name="domain">
|
|
## <summary>
|
|
## Domain allowed access.
|
|
## </summary>
|
|
## </param>
|
|
#
|
|
interface(`cron_use_system_job_fds',`
|
|
gen_require(`
|
|
type system_cronjob_t;
|
|
')
|
|
|
|
allow $1 system_cronjob_t:fd use;
|
|
')
|
|
|
|
########################################
|
|
## <summary>
|
|
## Create, read, write, and delete the system spool.
|
|
## </summary>
|
|
## <param name="domain">
|
|
## <summary>
|
|
## Domain allowed access.
|
|
## </summary>
|
|
## </param>
|
|
#
|
|
interface(`cron_manage_system_spool',`
|
|
gen_require(`
|
|
type system_cron_spool_t;
|
|
')
|
|
|
|
files_search_spool($1)
|
|
manage_files_pattern($1, system_cron_spool_t, system_cron_spool_t)
|
|
')
|
|
|
|
########################################
|
|
## <summary>
|
|
## Read the system spool.
|
|
## </summary>
|
|
## <param name="domain">
|
|
## <summary>
|
|
## Domain allowed access.
|
|
## </summary>
|
|
## </param>
|
|
#
|
|
interface(`cron_read_system_spool',`
|
|
gen_require(`
|
|
type system_cron_spool_t;
|
|
')
|
|
|
|
cron_search_spool($1)
|
|
list_dirs_pattern($1, system_cron_spool_t, system_cron_spool_t)
|
|
read_files_pattern($1, system_cron_spool_t, system_cron_spool_t)
|
|
')
|
|
|
|
########################################
|
|
## <summary>
|
|
## Read and write crond temporary files.
|
|
## </summary>
|
|
## <param name="domain">
|
|
## <summary>
|
|
## Domain allowed access.
|
|
## </summary>
|
|
## </param>
|
|
#
|
|
interface(`cron_rw_tmp_files',`
|
|
gen_require(`
|
|
type crond_tmp_t;
|
|
')
|
|
|
|
allow $1 crond_tmp_t:file rw_file_perms;
|
|
')
|
|
|
|
########################################
|
|
## <summary>
|
|
## Read system cron job lib files.
|
|
## </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>
|
|
## Create, read, write, and delete
|
|
## system cron job lib files.
|
|
## </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)
|
|
')
|
|
|
|
########################################
|
|
## <summary>
|
|
## Write system cron job unnamed pipes.
|
|
## </summary>
|
|
## <param name="domain">
|
|
## <summary>
|
|
## Domain allowed access.
|
|
## </summary>
|
|
## </param>
|
|
#
|
|
interface(`cron_write_system_job_pipes',`
|
|
gen_require(`
|
|
type system_cronjob_t;
|
|
')
|
|
|
|
allow $1 system_cronjob_t:file write;
|
|
')
|
|
|
|
########################################
|
|
## <summary>
|
|
## Read and write system cron job
|
|
## unnamed pipes.
|
|
## </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_fifo_file_perms;
|
|
')
|
|
|
|
########################################
|
|
## <summary>
|
|
## Read and write inherited system cron
|
|
## job unix domain stream sockets.
|
|
## </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 system cron job temporary files.
|
|
## </summary>
|
|
## <param name="domain">
|
|
## <summary>
|
|
## Domain allowed access.
|
|
## </summary>
|
|
## </param>
|
|
#
|
|
interface(`cron_read_system_job_tmp_files',`
|
|
gen_require(`
|
|
type system_cronjob_tmp_t;
|
|
')
|
|
|
|
files_search_tmp($1)
|
|
allow $1 system_cronjob_tmp_t:file read_file_perms;
|
|
')
|
|
|
|
########################################
|
|
## <summary>
|
|
## Do not audit attempts to append temporary
|
|
## system cron job files.
|
|
## </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>
|
|
## Read and write to inherited system cron job temporary files.
|
|
## </summary>
|
|
## <param name="domain">
|
|
## <summary>
|
|
## Domain allowed access.
|
|
## </summary>
|
|
## </param>
|
|
#
|
|
interface(`cron_rw_inherited_system_job_tmp_files',`
|
|
gen_require(`
|
|
type system_cronjob_tmp_t;
|
|
')
|
|
|
|
allow $1 system_cronjob_tmp_t:file rw_inherited_file_perms;
|
|
')
|
|
|
|
########################################
|
|
## <summary>
|
|
## Do not audit attempts to write temporary
|
|
## system cron job files.
|
|
## </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;
|
|
')
|
|
|
|
dontaudit $1 system_cronjob_tmp_t:file write_file_perms;
|
|
')
|
|
|
|
########################################
|
|
## <summary>
|
|
## Execute crontab in the caller domain.
|
|
## </summary>
|
|
## <param name="domain">
|
|
## <summary>
|
|
## Domain allowed access.
|
|
## </summary>
|
|
## </param>
|
|
## <rolecap/>
|
|
#
|
|
interface(`cron_exec_crontab',`
|
|
gen_require(`
|
|
type crontab_exec_t;
|
|
')
|
|
|
|
corecmd_search_bin($1)
|
|
can_exec($1, crontab_exec_t)
|
|
')
|
|
|
|
########################################
|
|
## <summary>
|
|
## All of the rules required to
|
|
## administrate a cron environment.
|
|
## </summary>
|
|
## <param name="domain">
|
|
## <summary>
|
|
## Domain allowed access.
|
|
## </summary>
|
|
## </param>
|
|
## <param name="role">
|
|
## <summary>
|
|
## Role allowed access.
|
|
## </summary>
|
|
## </param>
|
|
## <rolecap/>
|
|
#
|
|
interface(`cron_admin',`
|
|
gen_require(`
|
|
type crond_t, cronjob_t, crond_initrc_exec_t;
|
|
type cron_var_lib_t, system_cronjob_var_lib_t;
|
|
type crond_tmp_t, admin_crontab_tmp_t;
|
|
type crontab_tmp_t, system_cronjob_tmp_t;
|
|
type cron_var_run_t, system_cronjob_var_run_t, crond_var_run_t;
|
|
type cron_log_t, system_cronjob_lock_t, user_cron_spool_log_t;
|
|
attribute cron_spool_type;
|
|
')
|
|
|
|
allow $1 { crond_t cronjob_t }:process { ptrace signal_perms };
|
|
ps_process_pattern($1, { crond_t cronjob_t })
|
|
|
|
init_startstop_service($1, $2, crond_t, crond_initrc_exec_t)
|
|
|
|
files_search_var_lib($1)
|
|
admin_pattern($1, { cron_var_lib_t system_cronjob_var_lib_t })
|
|
|
|
files_search_tmp($1)
|
|
admin_pattern($1, { crond_tmp_t admin_crontab_tmp_t })
|
|
admin_pattern($1, { crontab_tmp_t system_cronjob_tmp_t })
|
|
|
|
files_search_pids($1)
|
|
admin_pattern($1, { cron_var_run_t crond_var_run_t system_cronjob_var_run_t })
|
|
|
|
files_search_locks($1)
|
|
admin_pattern($1, system_cronjob_lock_t)
|
|
|
|
logging_search_logs($1)
|
|
admin_pattern($1, { cron_log_t user_cron_spool_log_t })
|
|
|
|
files_search_spool($1)
|
|
admin_pattern($1, cron_spool_type)
|
|
')
|