76 lines
2.0 KiB
Plaintext
76 lines
2.0 KiB
Plaintext
#
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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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#
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# Rules for the kernel_t domain.
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#
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#
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# kernel_t is the domain of kernel threads.
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# It is also the target type when checking permissions in the system class.
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#
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type kernel_t, domain, privmodule, privlog, sysctl_kernel_writer, mlsprocread, mlsprocwrite, privsysmod ifdef(`nfs_export_all_rw',`,etc_writer'), privrangetrans ;
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role system_r types kernel_t;
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general_domain_access(kernel_t)
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general_proc_read_access(kernel_t)
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base_file_read_access(kernel_t)
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uses_shlib(kernel_t)
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can_exec(kernel_t, shell_exec_t)
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# Use capabilities.
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allow kernel_t self:capability *;
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r_dir_file(kernel_t, sysfs_t)
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allow kernel_t { usbfs_t usbdevfs_t }:dir search;
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# Run init in the init_t domain.
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domain_auto_trans(kernel_t, init_exec_t, init_t)
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ifdef(`mls_policy', `
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# run init with maximum MLS range
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range_transition kernel_t init_exec_t s0 - s9:c0.c127;
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')
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# Share state with the init process.
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allow kernel_t init_t:process share;
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# Mount and unmount file systems.
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allow kernel_t fs_type:filesystem mount_fs_perms;
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# Send signal to any process.
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allow kernel_t domain:process signal;
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allow kernel_t domain:dir search;
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# Access the console.
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allow kernel_t device_t:dir search;
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allow kernel_t console_device_t:chr_file rw_file_perms;
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# Access the initrd filesystem.
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allow kernel_t file_t:chr_file rw_file_perms;
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can_exec(kernel_t, file_t)
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ifdef(`chroot.te', `
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can_exec(kernel_t, chroot_exec_t)
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')
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allow kernel_t self:capability sys_chroot;
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allow kernel_t { unlabeled_t root_t file_t }:dir mounton;
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allow kernel_t unlabeled_t:fifo_file rw_file_perms;
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allow kernel_t file_t:dir rw_dir_perms;
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allow kernel_t file_t:blk_file create_file_perms;
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allow kernel_t { sysctl_t sysctl_kernel_t }:file { setattr rw_file_perms };
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# Lookup the policy.
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allow kernel_t policy_config_t:dir r_dir_perms;
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# Load the policy configuration.
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can_loadpol(kernel_t)
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# /proc/sys/kernel/modprobe is set to /bin/true if not using modules.
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can_exec(kernel_t, bin_t)
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ifdef(`targeted_policy', `
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unconfined_domain(kernel_t)
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')
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