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Commit 77998045 authored by Treehugger Robot's avatar Treehugger Robot Committed by Automerger Merge Worker
Browse files

Merge "Use genfs labels version library" into main am: 1c1bdd91 

Original change: https://android-review.googlesource.com/c/platform/system/core/+/3364390



Change-Id: I81190c193a0e5e72be12f46da507b03118114683
Signed-off-by: default avatarAutomerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>
parents f8e0940d 1c1bdd91

init/Android.bp

+1 −0
Original line number Diff line number Diff line
@@ -176,6 +176,7 @@ libinit_cc_defaults { 
        "libxml2",

        "lib_apex_manifest_proto_lite",

        "update_metadata-protos",

        "libgenfslabelsversion.ffi",

    ],

    shared_libs: [

        "libbase",

init/selinux.cpp

+5 −17
Original line number Diff line number Diff line
@@ -69,6 +69,7 @@ 
#include <android/avf_cc_flags.h>

#include <fs_avb/fs_avb.h>

#include <fs_mgr.h>

#include <genfslabelsversion.h>

#include <libgsi/libgsi.h>

#include <libsnapshot/snapshot.h>

#include <selinux/android.h>
@@ -190,22 +191,6 @@ bool GetVendorMappingVersion(std::string* plat_vers) { 
    return true;

}



int GetVendorGenfsVersion() {

    std::string line;

    if (!ReadFirstLine("/vendor/etc/selinux/genfs_labels_version.txt", &line)) {

        PLOG(ERROR) << "Failed to read /vendor/etc/selinux/genfs_labels_version.txt; assuming it's "

                       "202404";

        return 202404;

    }

    int version;

    if (!ParseInt(line, &version)) {

        PLOG(ERROR) << "Failed to parse the genfs labels version " << line

                    << "; assuming it's 202404";

        return 202404;

    }

    return version;

}



constexpr const char plat_policy_cil_file[] = "/system/etc/selinux/plat_sepolicy.cil";



bool IsSplitPolicyDevice() {
@@ -342,11 +327,14 @@ bool OpenSplitPolicy(PolicyFile* policy_file) { 


    std::vector<std::string> genfs_cil_files;



    int vendor_genfs_version = GetVendorGenfsVersion();

    int vendor_genfs_version = get_genfs_labels_version();

    std::string genfs_cil_file =

            std::format("/system/etc/selinux/plat_sepolicy_genfs_{}.cil", vendor_genfs_version);

    if (access(genfs_cil_file.c_str(), F_OK) != 0) {

        LOG(INFO) << "Missing " << genfs_cil_file << "; skipping";

        genfs_cil_file.clear();

    } else {

        LOG(INFO) << "Using " << genfs_cil_file << " for genfs labels";

    }



    // clang-format off