Merge "should_flash_in_userspace signature change" into main

This commit is contained in:
Daniel Zheng 2023-09-26 23:55:25 +00:00 committed by Gerrit Code Review
commit ac758f2ccc
3 changed files with 33 additions and 22 deletions

View file

@ -1185,9 +1185,10 @@ static uint64_t get_partition_size(const std::string& partition) {
return partition_size; return partition_size;
} }
static void copy_avb_footer(const std::string& partition, struct fastboot_buffer* buf) { static void copy_avb_footer(const ImageSource* source, const std::string& partition,
struct fastboot_buffer* buf) {
if (buf->sz < AVB_FOOTER_SIZE || is_logical(partition) || if (buf->sz < AVB_FOOTER_SIZE || is_logical(partition) ||
should_flash_in_userspace(partition)) { should_flash_in_userspace(source, partition)) {
return; return;
} }
// If overflows and negative, it should be < buf->sz. // If overflows and negative, it should be < buf->sz.
@ -1244,9 +1245,9 @@ void flash_partition_files(const std::string& partition, const std::vector<Spars
} }
} }
static void flash_buf(const std::string& partition, struct fastboot_buffer* buf, static void flash_buf(const ImageSource* source, const std::string& partition,
const bool apply_vbmeta) { struct fastboot_buffer* buf, const bool apply_vbmeta) {
copy_avb_footer(partition, buf); copy_avb_footer(source, partition, buf);
// Rewrite vbmeta if that's what we're flashing and modification has been requested. // Rewrite vbmeta if that's what we're flashing and modification has been requested.
if (g_disable_verity || g_disable_verification) { if (g_disable_verity || g_disable_verification) {
@ -1524,7 +1525,7 @@ void do_flash(const char* pname, const char* fname, const bool apply_vbmeta,
fb->ResizePartition(pname, std::to_string(buf.image_size)); fb->ResizePartition(pname, std::to_string(buf.image_size));
} }
std::string flash_pname = repack_ramdisk(pname, &buf, fp->fb); std::string flash_pname = repack_ramdisk(pname, &buf, fp->fb);
flash_buf(flash_pname, &buf, apply_vbmeta); flash_buf(fp->source, flash_pname, &buf, apply_vbmeta);
} }
// Sets slot_override as the active slot. If slot_override is blank, // Sets slot_override as the active slot. If slot_override is blank,
@ -1807,9 +1808,9 @@ std::vector<std::unique_ptr<Task>> FlashAllTool::CollectTasks() {
tasks = CollectTasksFromImageList(); tasks = CollectTasksFromImageList();
} }
if (fp_->exclude_dynamic_partitions) { if (fp_->exclude_dynamic_partitions) {
auto is_non_static_flash_task = [](const auto& task) -> bool { auto is_non_static_flash_task = [&](const auto& task) -> bool {
if (auto flash_task = task->AsFlashTask()) { if (auto flash_task = task->AsFlashTask()) {
if (!should_flash_in_userspace(flash_task->GetPartitionAndSlot())) { if (!should_flash_in_userspace(fp_->source, flash_task->GetPartitionAndSlot())) {
return false; return false;
} }
} }
@ -1885,7 +1886,7 @@ std::vector<std::unique_ptr<Task>> FlashAllTool::CollectTasksFromImageList() {
// this, we delete any logical partitions for the "other" slot. // this, we delete any logical partitions for the "other" slot.
if (is_retrofit_device(fp_->source)) { if (is_retrofit_device(fp_->source)) {
std::string partition_name = image->part_name + "_" + slot; std::string partition_name = image->part_name + "_" + slot;
if (image->IsSecondary() && should_flash_in_userspace(partition_name)) { if (image->IsSecondary() && should_flash_in_userspace(fp_->source, partition_name)) {
tasks.emplace_back(std::make_unique<DeleteTask>(fp_, partition_name)); tasks.emplace_back(std::make_unique<DeleteTask>(fp_, partition_name));
} }
} }
@ -2087,7 +2088,8 @@ void fb_perform_format(const std::string& partition, int skip_if_not_supported,
if (!load_buf_fd(std::move(fd), &buf, fp)) { if (!load_buf_fd(std::move(fd), &buf, fp)) {
die("Cannot read image: %s", strerror(errno)); die("Cannot read image: %s", strerror(errno));
} }
flash_buf(partition, &buf, is_vbmeta_partition(partition));
flash_buf(fp->source, partition, &buf, is_vbmeta_partition(partition));
return; return;
failed: failed:
@ -2101,18 +2103,26 @@ failed:
} }
} }
bool should_flash_in_userspace(const std::string& partition_name) { bool should_flash_in_userspace(const ImageSource* source, const std::string& partition_name) {
if (!get_android_product_out()) { if (!source) {
return false; if (!get_android_product_out()) {
} return false;
auto path = find_item_given_name("super_empty.img"); }
if (path.empty() || access(path.c_str(), R_OK)) { auto path = find_item_given_name("super_empty.img");
return false; if (path.empty() || access(path.c_str(), R_OK)) {
} return false;
auto metadata = android::fs_mgr::ReadFromImageFile(path); }
if (!metadata) { auto metadata = android::fs_mgr::ReadFromImageFile(path);
if (!metadata) {
return false;
}
return should_flash_in_userspace(*metadata.get(), partition_name);
}
std::vector<char> contents;
if (!source->ReadFile("super_empty.img", &contents)) {
return false; return false;
} }
auto metadata = android::fs_mgr::ReadFromImageBlob(contents.data(), contents.size());
return should_flash_in_userspace(*metadata.get(), partition_name); return should_flash_in_userspace(*metadata.get(), partition_name);
} }

View file

@ -148,7 +148,7 @@ class LocalImageSource final : public ImageSource {
}; };
char* get_android_product_out(); char* get_android_product_out();
bool should_flash_in_userspace(const std::string& partition_name); bool should_flash_in_userspace(const ImageSource* source, const std::string& partition_name);
bool is_userspace_fastboot(); bool is_userspace_fastboot();
void do_flash(const char* pname, const char* fname, const bool apply_vbmeta, void do_flash(const char* pname, const char* fname, const bool apply_vbmeta,
const FlashingPlan* fp); const FlashingPlan* fp);

View file

@ -41,7 +41,8 @@ bool FlashTask::IsDynamicParitition(const ImageSource* source, const FlashTask*
void FlashTask::Run() { void FlashTask::Run() {
auto flash = [&](const std::string& partition) { auto flash = [&](const std::string& partition) {
if (should_flash_in_userspace(partition) && !is_userspace_fastboot() && !fp_->force_flash) { if (should_flash_in_userspace(fp_->source, partition) && !is_userspace_fastboot() &&
!fp_->force_flash) {
die("The partition you are trying to flash is dynamic, and " die("The partition you are trying to flash is dynamic, and "
"should be flashed via fastbootd. Please run:\n" "should be flashed via fastbootd. Please run:\n"
"\n" "\n"