PawletOS/android_bootable_recovery
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Create a wrapper class for update package

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Creates a new class handle the package in memory and package read from fd.
Define the new interface functions, and make approximate changes to the
verify and install functions.

Bug: 127071893
Test: unit tests pass, sideload a package
Change-Id: I66ab00654df92471184536fd147b237a86e9c5b5
This commit is contained in:
xunchang
2019-03-11 10:43:52 -07:00
parent a8969842ae
commit f07ed2efeb
9 changed files with 313 additions and 87 deletions
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install.cpp
+9 -15
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@@ -51,6 +51,7 @@
#include "otautil/paths.h"
#include "otautil/sysutil.h"
#include "otautil/thermalutil.h"
#include "package.h"
#include "private/install.h"
#include "roots.h"
#include "ui.h"
@@ -585,34 +586,29 @@ static int really_install_package(const std::string& path, bool* wipe_cache, boo
}
}
MemMapping map;
if (!map.MapFile(path)) {
LOG(ERROR) << "failed to map file";
auto package = Package::CreateMemoryPackage(
path, std::bind(&RecoveryUI::SetProgress, ui, std::placeholders::_1));
if (!package) {
log_buffer->push_back(android::base::StringPrintf("error: %d", kMapFileFailure));
return INSTALL_CORRUPT;
}
// Verify package.
if (!verify_package(map.addr, map.length)) {
if (!verify_package(package.get())) {
log_buffer->push_back(android::base::StringPrintf("error: %d", kZipVerificationFailure));
return INSTALL_CORRUPT;
}
// Try to open the package.
ZipArchiveHandle zip;
int err = OpenArchiveFromMemory(map.addr, map.length, path.c_str(), &zip);
if (err != 0) {
LOG(ERROR) << "Can't open " << path << " : " << ErrorCodeString(err);
ZipArchiveHandle zip = package->GetZipArchiveHandle();
if (!zip) {
log_buffer->push_back(android::base::StringPrintf("error: %d", kZipOpenFailure));
CloseArchive(zip);
return INSTALL_CORRUPT;
}
// Additionally verify the compatibility of the package.
if (!verify_package_compatibility(zip)) {
log_buffer->push_back(android::base::StringPrintf("error: %d", kPackageCompatibilityFailure));
CloseArchive(zip);
return INSTALL_CORRUPT;
}
@@ -626,7 +622,6 @@ static int really_install_package(const std::string& path, bool* wipe_cache, boo
ui->SetEnableReboot(true);
ui->Print("\n");
CloseArchive(zip);
return result;
}
@@ -705,7 +700,7 @@ int install_package(const std::string& path, bool* wipe_cache, bool needs_mount,
return result;
}
bool verify_package(const unsigned char* package_data, size_t package_size) {
bool verify_package(Package* package) {
static constexpr const char* CERTIFICATE_ZIP_FILE = "/system/etc/security/otacerts.zip";
std::vector<Certificate> loaded_keys = LoadKeysFromZipfile(CERTIFICATE_ZIP_FILE);
if (loaded_keys.empty()) {
@@ -717,8 +712,7 @@ bool verify_package(const unsigned char* package_data, size_t package_size) {
// Verify package.
ui->Print("Verifying update package...\n");
auto t0 = std::chrono::system_clock::now();
int err = verify_file(package_data, package_size, loaded_keys,
std::bind(&RecoveryUI::SetProgress, ui, std::placeholders::_1));
int err = verify_file(package, loaded_keys);
std::chrono::duration<double> duration = std::chrono::system_clock::now() - t0;
ui->Print("Update package verification took %.1f s (result %d).\n", duration.count(), err);
if (err != VERIFY_SUCCESS) {