1 files changed, 0 insertions, 193 deletions
diff --git a/interfaces/boot/1.2/GptUtils.cpp b/interfaces/boot/1.2/GptUtils.cpp
deleted file mode 100644
index 25088e79..00000000
--- a/interfaces/boot/1.2/GptUtils.cpp
+++ /dev/null
@@ -1,193 +0,0 @@
-/*
- * Copyright (C) 2019 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#define LOG_TAG "bootcontrolhal"
-
-#include "GptUtils.h"
-
-#include <android-base/file.h>
-#include <errno.h>
-#include <linux/fs.h>
-#include <log/log.h>
-#include <zlib.h>
-
-namespace android {
-namespace hardware {
-namespace boot {
-namespace V1_2 {
-namespace implementation {
-
-namespace {
-
-static int ValidateGptHeader(gpt_header *gpt) {
-    if (gpt->signature != GPT_SIGNATURE) {
-        ALOGE("invalid gpt signature 0x%lx\n", gpt->signature);
-        return -1;
-    }
-
-    if (gpt->header_size != sizeof(gpt_header)) {
-        ALOGE("invalid gpt header size %u\n", gpt->header_size);
-        return -1;
-    }
-
-    if (gpt->entry_size != sizeof(gpt_entry)) {
-        ALOGE("invalid gpt entry size %u\n", gpt->entry_size);
-        return -1;
-    }
-
-    return 0;
-}
-
-}  // namespace
-
-GptUtils::GptUtils(const std::string dev_path) : dev_path(dev_path), fd(0) {}
-
-int GptUtils::Load(void) {
-    fd = open(dev_path.c_str(), O_RDWR);
-    if (fd < 0) {
-        ALOGE("failed to open block dev %s, %d\n", dev_path.c_str(), errno);
-        return -1;
-    }
-
-    int ret = ioctl(fd, BLKSSZGET, &block_size);
-    if (ret < 0) {
-        ALOGE("failed to get block size %d\n", errno);
-        return -1;
-    }
-
-    // read primary header
-    lseek64(fd, block_size, SEEK_SET);
-    ret = read(fd, &gpt_primary, sizeof gpt_primary);
-    if (ret < 0) {
-        ALOGE("failed to read gpt primary header %d\n", errno);
-        return -1;
-    }
-
-    if (ValidateGptHeader(&gpt_primary)) {
-        ALOGE("error validating gpt header\n");
-        return -1;
-    }
-
-    // read partition entries
-    entry_array.resize(gpt_primary.entry_count);
-    uint32_t entries_size = gpt_primary.entry_size * gpt_primary.entry_count;
-    lseek64(fd, block_size * gpt_primary.start_lba, SEEK_SET);
-    ret = read(fd, entry_array.data(), entries_size);
-    if (ret < 0) {
-        ALOGE("failed to read gpt partition entries %d\n", errno);
-        return -1;
-    }
-
-    // read gpt back header
-    lseek64(fd, block_size * gpt_primary.backup_lba, SEEK_SET);
-    ret = read(fd, &gpt_backup, sizeof gpt_backup);
-    if (ret < 0) {
-        ALOGE("failed to read gpt backup header %d\n", errno);
-        return -1;
-    }
-
-    if (ValidateGptHeader(&gpt_backup)) {
-        ALOGW("error validating gpt backup\n");  // just warn about it, not fail
-    }
-
-    // Create map <partition name, gpt_entry pointer>
-    auto get_name = [](const uint16_t *efi_name) {
-        char name[37] = {};
-        for (int i = 0; efi_name[i] && i < sizeof name - 1; ++i) name[i] = efi_name[i];
-        return std::string(name);
-    };
-
-    for (auto const &e : entry_array) {
-        if (e.name[0] == 0)
-            break;  // stop at the first partition with no name
-        std::string s = get_name(e.name);
-        entries[s] = const_cast<gpt_entry *>(&e);
-    }
-
-    return 0;
-}
-
-gpt_entry *GptUtils::GetPartitionEntry(std::string name) {
-    return entries.find(name) != entries.end() ? entries[name] : nullptr;
-}
-
-int GptUtils::Sync(void) {
-    if (!fd)
-        return -1;
-
-    // calculate crc and check if we need to update gpt
-    gpt_primary.entries_crc32 = crc32(0, reinterpret_cast<uint8_t *>(entry_array.data()),
-                                      entry_array.size() * sizeof(gpt_entry));
-
-    // save old crc
-    uint32_t crc = gpt_primary.crc32;
-    gpt_primary.crc32 = 0;
-
-    gpt_primary.crc32 = crc32(0, reinterpret_cast<uint8_t *>(&gpt_primary), sizeof gpt_primary);
-    if (crc == gpt_primary.crc32)
-        return 0;  // nothing to do (no changes)
-
-    ALOGI("updating GPT\n");
-
-    lseek64(fd, block_size * gpt_primary.current_lba, SEEK_SET);
-    int ret = write(fd, &gpt_primary, sizeof gpt_primary);
-    if (ret < 0) {
-        ALOGE("failed to write gpt primary header %d\n", errno);
-        return -1;
-    }
-
-    lseek64(fd, block_size * gpt_primary.start_lba, SEEK_SET);
-    ret = write(fd, entry_array.data(), entry_array.size() * sizeof(gpt_entry));
-    if (ret < 0) {
-        ALOGE("failed to write gpt partition entries %d\n", errno);
-        return -1;
-    }
-
-    // update GPT backup entries and backup
-    lseek64(fd, block_size * gpt_backup.start_lba, SEEK_SET);
-    ret = write(fd, entry_array.data(), entry_array.size() * sizeof(gpt_entry));
-    if (ret < 0) {
-        ALOGE("failed to write gpt backup partition entries %d\n", errno);
-        return -1;
-    }
-
-    gpt_backup.entries_crc32 = gpt_primary.entries_crc32;
-    gpt_backup.crc32 = 0;
-    gpt_backup.crc32 = crc32(0, reinterpret_cast<uint8_t *>(&gpt_backup), sizeof gpt_backup);
-    lseek64(fd, block_size * gpt_primary.backup_lba, SEEK_SET);
-    ret = write(fd, &gpt_backup, sizeof gpt_backup);
-    if (ret < 0) {
-        ALOGE("failed to write gpt backup header %d\n", errno);
-        return -1;
-    }
-
-    fsync(fd);
-
-    return 0;
-}
-
-GptUtils::~GptUtils() {
-    if (fd) {
-        Sync();
-        close(fd);
-    }
-}
-
-}  // namespace implementation
-}  // namespace V1_2
-}  // namespace boot
-}  // namespace hardware
-}  // namespace android