PWN-Hunter/android_system_sepolicy
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Allow dumpstate to read property_type

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dumpstate needs to read all the system properties for debugging.

Bug: 77277669
Test: succeeded building and tested with taimen
Change-Id: I3603854b3be67d4fc55d74f7925a21bfa59c81ee
This commit is contained in:
Jaekyun Seok 2018-04-06 03:32:58 +09:00
parent ba89007178
commit 4de238e9b9
3 changed files with 4 additions and 12 deletions
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2
public/domain.te
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@ -560,7 +560,7 @@ neverallow {
} serialno_prop:file r_file_perms;
# Do not allow reading the last boot timestamp from system properties
neverallow { domain -init -system_server } firstboot_prop:file r_file_perms;
neverallow { domain -init -system_server -dumpstate } firstboot_prop:file r_file_perms;
neverallow {
domain

12
public/dumpstate.te
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@ -232,16 +232,8 @@ set_prop(dumpstate, exported_dumpstate_prop)
# dumpstate_options_prop is used to pass extra command-line args.
set_prop(dumpstate, dumpstate_options_prop)
# Read device's serial number from system properties
get_prop(dumpstate, serialno_prop)
# Read state of logging-related properties
get_prop(dumpstate, device_logging_prop)
# Read state of boot reason properties
get_prop(dumpstate, bootloader_boot_reason_prop)
get_prop(dumpstate, last_boot_reason_prop)
get_prop(dumpstate, system_boot_reason_prop)
# Read any system properties
get_prop(dumpstate, property_type)
# Access to /data/media.
# This should be removed if sdcardfs is modified to alter the secontext for its

2
public/netd.te
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@ -141,7 +141,7 @@ neverallow netd { appdomain userdebug_or_eng(`-su') }:binder call;
# persist.netd.stable_secret contains RFC 7217 secret key which should never be
# leaked to other processes. Make sure it never leaks.
neverallow { domain -netd -init } netd_stable_secret_prop:file r_file_perms;
neverallow { domain -netd -init -dumpstate } netd_stable_secret_prop:file r_file_perms;
# We want to ensure that no other process ever tries tampering with persist.netd.stable_secret,
# the RFC 7217 secret key managed by netd. Doing so could compromise user privacy.