d363b0f9eb
This change defines new policy for modprobe (/sbin/modprobe) that should
be used in both recovery and android mode.
Denials:
[ 16.986440] c0 437 audit: type=1400 audit(6138546.943:5): avc:
denied { read } for pid=437 comm="modprobe" name="modules" dev="proc"
ino=4026532405 scontext=u:object_r:modprobe:s0
tcontext=u:object_r:proc:s0 tclass=file permissive=1
[ 16.986521] c0 437 audit: type=1400 audit(6138546.943:6): avc:
denied { open } for pid=437 comm="modprobe" path="/proc/modules"
dev="proc" ino=4026532405 scontext=u:object_r:modprobe:s0
tcontext=u:object_r:proc:s0 tclass=file permissive=1
[ 16.986544] c0 437 audit: type=1400 audit(6138546.943:7): avc:
denied { getattr } for pid=437 comm="modprobe" path="/proc/modules"
dev="proc" ino=4026532405 scontext=u:object_r:modprobe:s0
tcontext=u:object_r:proc:s0 tclass=file permissive=1
Bug: 35633646
Test: Build and tested it works in sailfish recovery. The modprobe is
invoked in init.rc (at the end of 'on init') with following command line
exec u:r:modprobe:s0 -- /sbin/modprobe -a nilfs2 ftl
Change-Id: Ie70be6f918bea6059f806e2eb38cd48229facafa
26 lines
912 B
Plaintext
26 lines
912 B
Plaintext
# type_transition must be private policy the domain_trans rules could stay
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# public, but conceptually should go with this
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tmpfs_domain(init)
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# Transitions to seclabel processes in init.rc
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domain_trans(init, rootfs, adbd)
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domain_trans(init, rootfs, charger)
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domain_trans(init, rootfs, healthd)
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domain_trans(init, rootfs, slideshow)
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recovery_only(`
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domain_trans(init, rootfs, recovery)
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')
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domain_trans(init, shell_exec, shell)
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domain_trans(init, init_exec, ueventd)
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domain_trans(init, init_exec, watchdogd)
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domain_trans(init, rootfs, modprobe)
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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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domain_auto_trans(init, logcat_exec, logpersist)
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')
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# Creating files on sysfs is impossible so this isn't a threat
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# Sometimes we have to write to non-existent files to avoid conditional
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# init behavior. See b/35303861 for an example.
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dontaudit init sysfs:dir write;
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