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path: root/uncrypt/uncrypt.cpp
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Diffstat (limited to 'uncrypt/uncrypt.cpp')
-rw-r--r--uncrypt/uncrypt.cpp70
1 files changed, 34 insertions, 36 deletions
diff --git a/uncrypt/uncrypt.cpp b/uncrypt/uncrypt.cpp
index e783b9e7a..9e3416b03 100644
--- a/uncrypt/uncrypt.cpp
+++ b/uncrypt/uncrypt.cpp
@@ -109,6 +109,7 @@
#include <android-base/logging.h>
#include <android-base/stringprintf.h>
#include <android-base/strings.h>
+#include <android-base/unique_fd.h>
#include <cutils/android_reboot.h>
#include <cutils/properties.h>
#include <cutils/sockets.h>
@@ -118,7 +119,6 @@
#include <log/log.h>
#include "bootloader.h"
-#include "unique_fd.h"
#define WINDOW_SIZE 5
@@ -237,8 +237,9 @@ static int produce_block_map(const char* path, const char* map_file, const char*
return -1;
}
std::string tmp_map_file = std::string(map_file) + ".tmp";
- unique_fd mapfd(open(tmp_map_file.c_str(), O_WRONLY | O_CREAT, S_IRUSR | S_IWUSR));
- if (!mapfd) {
+ android::base::unique_fd mapfd(open(tmp_map_file.c_str(),
+ O_WRONLY | O_CREAT, S_IRUSR | S_IWUSR));
+ if (mapfd == -1) {
ALOGE("failed to open %s: %s\n", tmp_map_file.c_str(), strerror(errno));
return -1;
}
@@ -264,7 +265,7 @@ static int produce_block_map(const char* path, const char* map_file, const char*
std::string s = android::base::StringPrintf("%s\n%" PRId64 " %ld\n",
blk_dev, sb.st_size, static_cast<long>(sb.st_blksize));
- if (!android::base::WriteStringToFd(s, mapfd.get())) {
+ if (!android::base::WriteStringToFd(s, mapfd)) {
ALOGE("failed to write %s: %s", tmp_map_file.c_str(), strerror(errno));
return -1;
}
@@ -276,16 +277,16 @@ static int produce_block_map(const char* path, const char* map_file, const char*
int head_block = 0;
int head = 0, tail = 0;
- unique_fd fd(open(path, O_RDONLY));
- if (!fd) {
+ android::base::unique_fd fd(open(path, O_RDONLY));
+ if (fd == -1) {
ALOGE("failed to open %s for reading: %s", path, strerror(errno));
return -1;
}
- unique_fd wfd(-1);
+ android::base::unique_fd wfd;
if (encrypted) {
- wfd = open(blk_dev, O_WRONLY);
- if (!wfd) {
+ wfd.reset(open(blk_dev, O_WRONLY));
+ if (wfd == -1) {
ALOGE("failed to open fd for writing: %s", strerror(errno));
return -1;
}
@@ -304,14 +305,14 @@ static int produce_block_map(const char* path, const char* map_file, const char*
if ((tail+1) % WINDOW_SIZE == head) {
// write out head buffer
int block = head_block;
- if (ioctl(fd.get(), FIBMAP, &block) != 0) {
+ if (ioctl(fd, FIBMAP, &block) != 0) {
ALOGE("failed to find block %d", head_block);
return -1;
}
add_block_to_ranges(ranges, block);
if (encrypted) {
- if (write_at_offset(buffers[head].data(), sb.st_blksize, wfd.get(),
- static_cast<off64_t>(sb.st_blksize) * block) != 0) {
+ if (write_at_offset(buffers[head].data(), sb.st_blksize, wfd,
+ static_cast<off64_t>(sb.st_blksize) * block) != 0) {
return -1;
}
}
@@ -323,7 +324,7 @@ static int produce_block_map(const char* path, const char* map_file, const char*
if (encrypted) {
size_t to_read = static_cast<size_t>(
std::min(static_cast<off64_t>(sb.st_blksize), sb.st_size - pos));
- if (!android::base::ReadFully(fd.get(), buffers[tail].data(), to_read)) {
+ if (!android::base::ReadFully(fd, buffers[tail].data(), to_read)) {
ALOGE("failed to read: %s", strerror(errno));
return -1;
}
@@ -340,14 +341,14 @@ static int produce_block_map(const char* path, const char* map_file, const char*
while (head != tail) {
// write out head buffer
int block = head_block;
- if (ioctl(fd.get(), FIBMAP, &block) != 0) {
+ if (ioctl(fd, FIBMAP, &block) != 0) {
ALOGE("failed to find block %d", head_block);
return -1;
}
add_block_to_ranges(ranges, block);
if (encrypted) {
- if (write_at_offset(buffers[head].data(), sb.st_blksize, wfd.get(),
- static_cast<off64_t>(sb.st_blksize) * block) != 0) {
+ if (write_at_offset(buffers[head].data(), sb.st_blksize, wfd,
+ static_cast<off64_t>(sb.st_blksize) * block) != 0) {
return -1;
}
}
@@ -356,38 +357,36 @@ static int produce_block_map(const char* path, const char* map_file, const char*
}
if (!android::base::WriteStringToFd(
- android::base::StringPrintf("%zu\n", ranges.size() / 2), mapfd.get())) {
+ android::base::StringPrintf("%zu\n", ranges.size() / 2), mapfd)) {
ALOGE("failed to write %s: %s", tmp_map_file.c_str(), strerror(errno));
return -1;
}
for (size_t i = 0; i < ranges.size(); i += 2) {
if (!android::base::WriteStringToFd(
- android::base::StringPrintf("%d %d\n", ranges[i], ranges[i+1]), mapfd.get())) {
+ android::base::StringPrintf("%d %d\n", ranges[i], ranges[i+1]), mapfd)) {
ALOGE("failed to write %s: %s", tmp_map_file.c_str(), strerror(errno));
return -1;
}
}
- if (fsync(mapfd.get()) == -1) {
+ if (fsync(mapfd) == -1) {
ALOGE("failed to fsync \"%s\": %s", tmp_map_file.c_str(), strerror(errno));
return -1;
}
- if (close(mapfd.get() == -1)) {
+ if (close(mapfd.release()) == -1) {
ALOGE("failed to close %s: %s", tmp_map_file.c_str(), strerror(errno));
return -1;
}
- mapfd = -1;
if (encrypted) {
- if (fsync(wfd.get()) == -1) {
+ if (fsync(wfd) == -1) {
ALOGE("failed to fsync \"%s\": %s", blk_dev, strerror(errno));
return -1;
}
- if (close(wfd.get()) == -1) {
+ if (close(wfd.release()) == -1) {
ALOGE("failed to close %s: %s", blk_dev, strerror(errno));
return -1;
}
- wfd = -1;
}
if (rename(tmp_map_file.c_str(), map_file) == -1) {
@@ -397,20 +396,19 @@ static int produce_block_map(const char* path, const char* map_file, const char*
// Sync dir to make rename() result written to disk.
std::string file_name = map_file;
std::string dir_name = dirname(&file_name[0]);
- unique_fd dfd(open(dir_name.c_str(), O_RDONLY | O_DIRECTORY));
- if (!dfd) {
+ android::base::unique_fd dfd(open(dir_name.c_str(), O_RDONLY | O_DIRECTORY));
+ if (dfd == -1) {
ALOGE("failed to open dir %s: %s", dir_name.c_str(), strerror(errno));
return -1;
}
- if (fsync(dfd.get()) == -1) {
+ if (fsync(dfd) == -1) {
ALOGE("failed to fsync %s: %s", dir_name.c_str(), strerror(errno));
return -1;
}
- if (close(dfd.get() == -1)) {
+ if (close(dfd.release()) == -1) {
ALOGE("failed to close %s: %s", dir_name.c_str(), strerror(errno));
return -1;
}
- dfd = -1;
return 0;
}
@@ -431,12 +429,12 @@ static int read_bootloader_message(bootloader_message* out) {
ALOGE("failed to find /misc partition.");
return -1;
}
- unique_fd fd(open(misc_blk_device.c_str(), O_RDONLY));
- if (!fd) {
+ android::base::unique_fd fd(open(misc_blk_device.c_str(), O_RDONLY));
+ if (fd == -1) {
ALOGE("failed to open %s: %s", misc_blk_device.c_str(), strerror(errno));
return -1;
}
- if (!android::base::ReadFully(fd.get(), out, sizeof(*out))) {
+ if (!android::base::ReadFully(fd, out, sizeof(*out))) {
ALOGE("failed to read %s: %s", misc_blk_device.c_str(), strerror(errno));
return -1;
}
@@ -449,17 +447,17 @@ static int write_bootloader_message(const bootloader_message* in) {
ALOGE("failed to find /misc partition.");
return -1;
}
- unique_fd fd(open(misc_blk_device.c_str(), O_WRONLY | O_SYNC));
- if (!fd) {
+ android::base::unique_fd fd(open(misc_blk_device.c_str(), O_WRONLY | O_SYNC));
+ if (fd == -1) {
ALOGE("failed to open %s: %s", misc_blk_device.c_str(), strerror(errno));
return -1;
}
- if (!android::base::WriteFully(fd.get(), in, sizeof(*in))) {
+ if (!android::base::WriteFully(fd, in, sizeof(*in))) {
ALOGE("failed to write %s: %s", misc_blk_device.c_str(), strerror(errno));
return -1;
}
// TODO: O_SYNC and fsync() duplicates each other?
- if (fsync(fd.get()) == -1) {
+ if (fsync(fd) == -1) {
ALOGE("failed to fsync %s: %s", misc_blk_device.c_str(), strerror(errno));
return -1;
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-17 00:06:42 +0100