df125b90b4
Generate a compile time error if someone unexpectedly tries to transition into logpersist or logd domain. Test: compile Bug: 30566487 Change-Id: Ib55f301f104ad63de5ac513cdc9dc9937e3ba48d
50 lines
1.4 KiB
Plaintext
50 lines
1.4 KiB
Plaintext
# android user-space log manager
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type logd, domain, mlstrustedsubject;
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type logd_exec, exec_type, file_type;
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# Read access to pseudo filesystems.
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r_dir_file(logd, cgroup)
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r_dir_file(logd, proc)
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r_dir_file(logd, proc_meminfo)
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r_dir_file(logd, proc_net)
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allow logd self:capability { setuid setgid setpcap sys_nice audit_control };
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allow logd self:capability2 syslog;
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allow logd self:netlink_audit_socket { create_socket_perms_no_ioctl nlmsg_write };
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allow logd kernel:system syslog_read;
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allow logd kmsg_device:chr_file w_file_perms;
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allow logd system_data_file:{ file lnk_file } r_file_perms;
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# Access device logging gating property
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get_prop(logd, device_logging_prop)
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r_dir_file(logd, domain)
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allow logd kernel:system syslog_mod;
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control_logd(logd)
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###
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### Neverallow rules
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###
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### logd should NEVER do any of this
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# Block device access.
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neverallow logd dev_type:blk_file { read write };
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# ptrace any other app
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neverallow logd domain:process ptrace;
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# ... and nobody may ptrace me (except on userdebug or eng builds)
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neverallow { domain userdebug_or_eng(`-debuggerd') } logd:process ptrace;
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# Write to /system.
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neverallow logd system_file:dir_file_class_set write;
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# Write to files in /data/data or system files on /data
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neverallow logd { app_data_file system_data_file }:dir_file_class_set write;
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# Only init is allowed to enter the logd domain via exec()
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neverallow { domain -init } logd:process transition;
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neverallow * logd:process dyntransition;
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