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platform_system_core
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Reflect move of mapping file to /system. 

Bug: 36783775
Test: boot device with matching sha256 and non-matching and verify that
device boots and uses either precompiled or compiled policy as needed. Also
verify that mapping_sepolicy.cil has moved.

Change-Id: I9c3df2e7ed3f0eadd98e98529ebed360fec66dba
This commit is contained in:
Dan Cashman 2017-04-06 09:51:23 -07:00
parent 210be3820f
commit 39ffec779a
1 changed files with 9 additions and 5 deletions
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14
init/init.cpp
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@ -714,14 +714,18 @@ static bool selinux_find_precompiled_split_policy(std::string* file) {
return false;
}
std::string actual_plat_id;
if (!read_first_line("/system/etc/selinux/plat_sepolicy.cil.sha256", &actual_plat_id)) {
PLOG(INFO) << "Failed to read /system/etc/selinux/plat_sepolicy.cil.sha256";
if (!read_first_line("/system/etc/selinux/plat_and_mapping_sepolicy.cil.sha256",
&actual_plat_id)) {
PLOG(INFO) << "Failed to read "
"/system/etc/selinux/plat_and_mapping_sepolicy.cil.sha256";
return false;
}
std::string precompiled_plat_id;
if (!read_first_line("/vendor/etc/selinux/precompiled_sepolicy.plat.sha256",
if (!read_first_line("/vendor/etc/selinux/precompiled_sepolicy.plat_and_mapping.sha256",
&precompiled_plat_id)) {
PLOG(INFO) << "Failed to read /vendor/etc/selinux/precompiled_sepolicy.plat.sha256";
PLOG(INFO) << "Failed to read "
"/vendor/etc/selinux/"
"precompiled_sepolicy.plat_and_mapping.sha256";
return false;
}
if ((actual_plat_id.empty()) || (actual_plat_id != precompiled_plat_id)) {
@ -793,7 +797,7 @@ static bool selinux_load_split_policy() {
"-M", "true",
// Target the highest policy language version supported by the kernel
"-c", std::to_string(max_policy_version).c_str(),
"/vendor/etc/selinux/mapping_sepolicy.cil",
"/system/etc/selinux/mapping_sepolicy.cil",
"/vendor/etc/selinux/nonplat_sepolicy.cil",
"-o", compiled_sepolicy,
// We don't care about file_contexts output by the compiler