2f3979a778
In preparation of removing permissions from domain_deprecated.
Addresses:
avc: denied { read } for name="psched" dev="proc" ino=4026536519 scontext=u:r:logd:s0 tcontext=u:object_r:proc_net:s0 tclass=file permissive=1
avc: denied { open } for path="/proc/147/net/psched" dev="proc" ino=4026536519 scontext=u:r:logd:s0 tcontext=u:object_r:proc_net:s0 tclass=file permissive=1
avc: denied { getattr } for path="/proc/147/net/psched" dev="proc" ino=4026536519 scontext=u:r:logd:s0 tcontext=u:object_r:proc_net:s0 tclass=file permissive=1
avc: denied { read } for name="kmsg" dev="proc" ino=4026536603 scontext=u:r:logd:s0 tcontext=u:object_r:proc:s0 tclass=file permissive=1
avc: denied { open } for path="/proc/kmsg" dev="proc" ino=4026536603 scontext=u:r:logd:s0 tcontext=u:object_r:proc:s0 tclass=file permissive=1
avc: denied { getattr } for path="/proc/meminfo" dev="proc" ino=4026536598 scontext=u:r:logd:s0 tcontext=u:object_r:proc:s0 tclass=file permissive=1
Change-Id: Iaa67a6b8369c0449b09b64b807bc5819d6d68f02
58 lines
1.7 KiB
Text
58 lines
1.7 KiB
Text
# android user-space log manager
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type logd, domain, domain_deprecated, mlstrustedsubject;
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type logd_exec, exec_type, file_type;
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init_daemon_domain(logd)
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# Read access to pseudo filesystems.
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r_dir_file(logd, proc)
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r_dir_file(logd, proc_net)
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allow logd self:capability { setuid setgid 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 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 r_file_perms;
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# logpersist is only allowed on userdebug and eng builds
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userdebug_or_eng(`
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allow logd misc_logd_file:file create_file_perms;
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allow logd misc_logd_file:dir rw_dir_perms;
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')
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allow logd pstorefs:dir search;
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allow logd pstorefs: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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# case where logpersistd is actually logcat -f in logd context (nee: logcatd)
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userdebug_or_eng(`
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unix_socket_connect(logd, logdr, logd)
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')
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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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# 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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# logd is not allowed to write anywhere other than /misc/data/logd, and then
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# only on userdebug or eng builds
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neverallow logd { file_type -logd_tmpfs userdebug_or_eng(` -misc_logd_file -coredump_file ') }:file write;
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