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-rw-r--r--install.cpp134
1 files changed, 66 insertions, 68 deletions
diff --git a/install.cpp b/install.cpp
index 008db4d86..d3ab2136d 100644
--- a/install.cpp
+++ b/install.cpp
@@ -36,9 +36,9 @@
#include <android-base/logging.h>
#include <android-base/parsedouble.h>
#include <android-base/parseint.h>
+#include <android-base/properties.h>
#include <android-base/stringprintf.h>
#include <android-base/strings.h>
-#include <cutils/properties.h>
#include <ziparchive/zip_archive.h>
#include "common.h"
@@ -139,81 +139,79 @@ update_binary_command(const char* path, ZipArchiveHandle zip, int retry_count,
// Parses the metadata of the OTA package in |zip| and checks whether we are
// allowed to accept this A/B package. Downgrading is not allowed unless
// explicitly enabled in the package and only for incremental packages.
-static int check_newer_ab_build(ZipArchiveHandle zip)
-{
- std::string metadata_str;
- if (!read_metadata_from_package(zip, &metadata_str)) {
- return INSTALL_CORRUPT;
- }
- std::map<std::string, std::string> metadata;
- for (const std::string& line : android::base::Split(metadata_str, "\n")) {
- size_t eq = line.find('=');
- if (eq != std::string::npos) {
- metadata[line.substr(0, eq)] = line.substr(eq + 1);
- }
+static int check_newer_ab_build(ZipArchiveHandle zip) {
+ std::string metadata_str;
+ if (!read_metadata_from_package(zip, &metadata_str)) {
+ return INSTALL_CORRUPT;
+ }
+ std::map<std::string, std::string> metadata;
+ for (const std::string& line : android::base::Split(metadata_str, "\n")) {
+ size_t eq = line.find('=');
+ if (eq != std::string::npos) {
+ metadata[line.substr(0, eq)] = line.substr(eq + 1);
}
- char value[PROPERTY_VALUE_MAX];
+ }
- property_get("ro.product.device", value, "");
- const std::string& pkg_device = metadata["pre-device"];
- if (pkg_device != value || pkg_device.empty()) {
- LOG(ERROR) << "Package is for product " << pkg_device << " but expected " << value;
- return INSTALL_ERROR;
- }
+ std::string value = android::base::GetProperty("ro.product.device", "");
+ const std::string& pkg_device = metadata["pre-device"];
+ if (pkg_device != value || pkg_device.empty()) {
+ LOG(ERROR) << "Package is for product " << pkg_device << " but expected " << value;
+ return INSTALL_ERROR;
+ }
- // We allow the package to not have any serialno, but if it has a non-empty
- // value it should match.
- property_get("ro.serialno", value, "");
- const std::string& pkg_serial_no = metadata["serialno"];
- if (!pkg_serial_no.empty() && pkg_serial_no != value) {
- LOG(ERROR) << "Package is for serial " << pkg_serial_no;
- return INSTALL_ERROR;
- }
+ // We allow the package to not have any serialno, but if it has a non-empty
+ // value it should match.
+ value = android::base::GetProperty("ro.serialno", "");
+ const std::string& pkg_serial_no = metadata["serialno"];
+ if (!pkg_serial_no.empty() && pkg_serial_no != value) {
+ LOG(ERROR) << "Package is for serial " << pkg_serial_no;
+ return INSTALL_ERROR;
+ }
- if (metadata["ota-type"] != "AB") {
- LOG(ERROR) << "Package is not A/B";
- return INSTALL_ERROR;
- }
+ if (metadata["ota-type"] != "AB") {
+ LOG(ERROR) << "Package is not A/B";
+ return INSTALL_ERROR;
+ }
- // Incremental updates should match the current build.
- property_get("ro.build.version.incremental", value, "");
- const std::string& pkg_pre_build = metadata["pre-build-incremental"];
- if (!pkg_pre_build.empty() && pkg_pre_build != value) {
- LOG(ERROR) << "Package is for source build " << pkg_pre_build << " but expected " << value;
- return INSTALL_ERROR;
- }
- property_get("ro.build.fingerprint", value, "");
- const std::string& pkg_pre_build_fingerprint = metadata["pre-build"];
- if (!pkg_pre_build_fingerprint.empty() &&
- pkg_pre_build_fingerprint != value) {
- LOG(ERROR) << "Package is for source build " << pkg_pre_build_fingerprint
- << " but expected " << value;
- return INSTALL_ERROR;
- }
+ // Incremental updates should match the current build.
+ value = android::base::GetProperty("ro.build.version.incremental", "");
+ const std::string& pkg_pre_build = metadata["pre-build-incremental"];
+ if (!pkg_pre_build.empty() && pkg_pre_build != value) {
+ LOG(ERROR) << "Package is for source build " << pkg_pre_build << " but expected " << value;
+ return INSTALL_ERROR;
+ }
- // Check for downgrade version.
- int64_t build_timestamp = property_get_int64(
- "ro.build.date.utc", std::numeric_limits<int64_t>::max());
- int64_t pkg_post_timestamp = 0;
- // We allow to full update to the same version we are running, in case there
- // is a problem with the current copy of that version.
- if (metadata["post-timestamp"].empty() ||
- !android::base::ParseInt(metadata["post-timestamp"].c_str(),
- &pkg_post_timestamp) ||
- pkg_post_timestamp < build_timestamp) {
- if (metadata["ota-downgrade"] != "yes") {
- LOG(ERROR) << "Update package is older than the current build, expected a build "
- "newer than timestamp " << build_timestamp << " but package has "
- "timestamp " << pkg_post_timestamp << " and downgrade not allowed.";
- return INSTALL_ERROR;
- }
- if (pkg_pre_build_fingerprint.empty()) {
- LOG(ERROR) << "Downgrade package must have a pre-build version set, not allowed.";
- return INSTALL_ERROR;
- }
+ value = android::base::GetProperty("ro.build.fingerprint", "");
+ const std::string& pkg_pre_build_fingerprint = metadata["pre-build"];
+ if (!pkg_pre_build_fingerprint.empty() && pkg_pre_build_fingerprint != value) {
+ LOG(ERROR) << "Package is for source build " << pkg_pre_build_fingerprint << " but expected "
+ << value;
+ return INSTALL_ERROR;
+ }
+
+ // Check for downgrade version.
+ int64_t build_timestamp =
+ android::base::GetIntProperty("ro.build.date.utc", std::numeric_limits<int64_t>::max());
+ int64_t pkg_post_timestamp = 0;
+ // We allow to full update to the same version we are running, in case there
+ // is a problem with the current copy of that version.
+ if (metadata["post-timestamp"].empty() ||
+ !android::base::ParseInt(metadata["post-timestamp"].c_str(), &pkg_post_timestamp) ||
+ pkg_post_timestamp < build_timestamp) {
+ if (metadata["ota-downgrade"] != "yes") {
+ LOG(ERROR) << "Update package is older than the current build, expected a build "
+ "newer than timestamp "
+ << build_timestamp << " but package has timestamp " << pkg_post_timestamp
+ << " and downgrade not allowed.";
+ return INSTALL_ERROR;
+ }
+ if (pkg_pre_build_fingerprint.empty()) {
+ LOG(ERROR) << "Downgrade package must have a pre-build version set, not allowed.";
+ return INSTALL_ERROR;
}
+ }
- return 0;
+ return 0;
}
static int