platform_system_sepolicy/public/runas.te
Jeff Vander Stoep 7d6185fef9 runas: Grant access to seapp_contexts_file
Runas/libselinux needs access to seapp_contexts_file to determine
transitions into app domains.

Addresses:
avc: denied { read } for pid=7154 comm="run-as" name="plat_seapp_contexts"
dev="rootfs" ino=9827 scontext=u:r:runas:s0
tcontext=u:object_r:seapp_contexts_file:s0 tclass=file

Bug: 36782586
Test: Marlin policy builds
Change-Id: I0f0e937e56721d458e250d48ce62f80e3694900f
2017-03-30 13:21:49 -07:00

36 lines
1.2 KiB
Text

type runas, domain, domain_deprecated, mlstrustedsubject;
type runas_exec, exec_type, file_type;
allow runas adbd:process sigchld;
allow runas shell:fd use;
allow runas shell:fifo_file { read write };
allow runas shell:unix_stream_socket { read write };
allow runas devpts:chr_file { read write ioctl };
allow runas shell_data_file:file { read write };
# run-as reads package information.
allow runas system_data_file:file r_file_perms;
# run-as checks and changes to the app data dir.
dontaudit runas self:capability dac_override;
allow runas app_data_file:dir { getattr search };
# run-as switches to the app UID/GID.
allow runas self:capability { setuid setgid };
# run-as switches to the app security context.
selinux_check_context(runas) # validate context
allow runas self:process setcurrent;
allow runas non_system_app_set:process dyntransition; # setcon
# runas/libselinux needs access to seapp_contexts_file to
# determine which domain to transition to.
allow runas seapp_contexts_file:file r_file_perms;
###
### neverallow rules
###
# run-as cannot have capabilities other than CAP_SETUID and CAP_SETGID
neverallow runas self:capability ~{ setuid setgid };
neverallow runas self:capability2 *;