3b7d9e49df
run-as uses file descriptor created by adbd when running
`adb shell -t run-as xxx`. It produces audit warnings like below:
[ 2036.555371] c1 509 type=1400 audit(1497910817.864:238): avc: granted { use } for pid=4945 comm="run-as" path="/dev/pts/0" dev="devpts" ino=3 scontext=u:r:runas:s0 tcontext=u:r:adbd:s0 tclass=fd
Bug: http://b/62358246
Test: test manually that the warning disappears.
Change-Id: I19023ac876e03ce2afe18982fe753b07e4c876bb
34 lines
1.1 KiB
Text
34 lines
1.1 KiB
Text
type runas, domain, domain_deprecated, mlstrustedsubject;
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type runas_exec, exec_type, file_type;
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allow runas adbd:fd use;
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allow runas adbd:process sigchld;
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allow runas adbd:unix_stream_socket { read write };
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allow runas shell:fd use;
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allow runas shell:fifo_file { read write };
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allow runas shell:unix_stream_socket { read write };
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allow runas devpts:chr_file { read write ioctl };
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allow runas shell_data_file:file { read write };
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# run-as reads package information.
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allow runas system_data_file:file r_file_perms;
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# run-as checks and changes to the app data dir.
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dontaudit runas self:capability dac_override;
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allow runas app_data_file:dir { getattr search };
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# run-as switches to the app UID/GID.
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allow runas self:capability { setuid setgid };
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# run-as switches to the app security context.
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selinux_check_context(runas) # validate context
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allow runas self:process setcurrent;
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allow runas non_system_app_set:process dyntransition; # setcon
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###
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### neverallow rules
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###
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# run-as cannot have capabilities other than CAP_SETUID and CAP_SETGID
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neverallow runas self:capability ~{ setuid setgid };
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neverallow runas self:capability2 *;
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