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-rw-r--r--uncrypt/uncrypt.cpp461
1 files changed, 285 insertions, 176 deletions
diff --git a/uncrypt/uncrypt.cpp b/uncrypt/uncrypt.cpp
index 46da86d61..705744eb6 100644
--- a/uncrypt/uncrypt.cpp
+++ b/uncrypt/uncrypt.cpp
@@ -41,6 +41,8 @@
#include <errno.h>
#include <fcntl.h>
+#include <inttypes.h>
+#include <libgen.h>
#include <linux/fs.h>
#include <stdarg.h>
#include <stdio.h>
@@ -51,63 +53,54 @@
#include <sys/types.h>
#include <unistd.h>
-#include <base/file.h>
-#include <base/strings.h>
+#include <algorithm>
+#include <memory>
+#include <vector>
+
+#include <android-base/file.h>
+#include <android-base/logging.h>
+#include <android-base/stringprintf.h>
+#include <android-base/strings.h>
+#include <cutils/android_reboot.h>
#include <cutils/properties.h>
#include <fs_mgr.h>
+
#define LOG_TAG "uncrypt"
#include <log/log.h>
+#include "bootloader.h"
+#include "unique_fd.h"
+
#define WINDOW_SIZE 5
-static const std::string cache_block_map = "/cache/recovery/block.map";
-static const std::string status_file = "/cache/recovery/uncrypt_status";
-static const std::string uncrypt_file = "/cache/recovery/uncrypt_file";
+static const std::string CACHE_BLOCK_MAP = "/cache/recovery/block.map";
+static const std::string COMMAND_FILE = "/cache/recovery/command";
+static const std::string STATUS_FILE = "/cache/recovery/uncrypt_status";
+static const std::string UNCRYPT_PATH_FILE = "/cache/recovery/uncrypt_file";
static struct fstab* fstab = NULL;
static int write_at_offset(unsigned char* buffer, size_t size, int wfd, off64_t offset) {
if (TEMP_FAILURE_RETRY(lseek64(wfd, offset, SEEK_SET)) == -1) {
- ALOGE("error seeking to offset %lld: %s\n", offset, strerror(errno));
+ ALOGE("error seeking to offset %" PRId64 ": %s", offset, strerror(errno));
return -1;
}
- size_t written = 0;
- while (written < size) {
- ssize_t wrote = TEMP_FAILURE_RETRY(write(wfd, buffer + written, size - written));
- if (wrote == -1) {
- ALOGE("error writing offset %lld: %s\n", (offset + written), strerror(errno));
- return -1;
- }
- written += wrote;
+ if (!android::base::WriteFully(wfd, buffer, size)) {
+ ALOGE("error writing offset %" PRId64 ": %s", offset, strerror(errno));
+ return -1;
}
return 0;
}
-static void add_block_to_ranges(int** ranges, int* range_alloc, int* range_used, int new_block) {
- // If the current block start is < 0, set the start to the new
- // block. (This only happens for the very first block of the very
- // first range.)
- if ((*ranges)[*range_used*2-2] < 0) {
- (*ranges)[*range_used*2-2] = new_block;
- (*ranges)[*range_used*2-1] = new_block;
- }
-
- if (new_block == (*ranges)[*range_used*2-1]) {
+static void add_block_to_ranges(std::vector<int>& ranges, int new_block) {
+ if (!ranges.empty() && new_block == ranges.back()) {
// If the new block comes immediately after the current range,
// all we have to do is extend the current range.
- ++(*ranges)[*range_used*2-1];
+ ++ranges.back();
} else {
// We need to start a new range.
-
- // If there isn't enough room in the array, we need to expand it.
- if (*range_used >= *range_alloc) {
- *range_alloc *= 2;
- *ranges = reinterpret_cast<int*>(realloc(*ranges, *range_alloc * 2 * sizeof(int)));
- }
-
- ++*range_used;
- (*ranges)[*range_used*2-2] = new_block;
- (*ranges)[*range_used*2-1] = new_block+1;
+ ranges.push_back(new_block);
+ ranges.push_back(new_block + 1);
}
}
@@ -117,13 +110,13 @@ static struct fstab* read_fstab() {
// The fstab path is always "/fstab.${ro.hardware}".
char fstab_path[PATH_MAX+1] = "/fstab.";
if (!property_get("ro.hardware", fstab_path+strlen(fstab_path), "")) {
- ALOGE("failed to get ro.hardware\n");
+ ALOGE("failed to get ro.hardware");
return NULL;
}
fstab = fs_mgr_read_fstab(fstab_path);
if (!fstab) {
- ALOGE("failed to read %s\n", fstab_path);
+ ALOGE("failed to read %s", fstab_path);
return NULL;
}
@@ -160,79 +153,82 @@ static const char* find_block_device(const char* path, bool* encryptable, bool*
}
// Parse uncrypt_file to find the update package name.
-static bool find_uncrypt_package(std::string& package_name)
-{
- if (!android::base::ReadFileToString(uncrypt_file, &package_name)) {
- ALOGE("failed to open \"%s\": %s\n", uncrypt_file.c_str(), strerror(errno));
+static bool find_uncrypt_package(const std::string& uncrypt_path_file, std::string* package_name) {
+ CHECK(package_name != nullptr);
+ std::string uncrypt_path;
+ if (!android::base::ReadFileToString(uncrypt_path_file, &uncrypt_path)) {
+ ALOGE("failed to open \"%s\": %s", uncrypt_path_file.c_str(), strerror(errno));
return false;
}
// Remove the trailing '\n' if present.
- package_name = android::base::Trim(package_name);
-
+ *package_name = android::base::Trim(uncrypt_path);
return true;
}
static int produce_block_map(const char* path, const char* map_file, const char* blk_dev,
bool encrypted, int status_fd) {
- int mapfd = open(map_file, O_WRONLY | O_CREAT | O_SYNC, S_IRUSR | S_IWUSR);
- if (mapfd == -1) {
- ALOGE("failed to open %s\n", map_file);
+ std::string err;
+ if (!android::base::RemoveFileIfExists(map_file, &err)) {
+ ALOGE("failed to remove the existing map file %s: %s", map_file, err.c_str());
+ 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) {
+ ALOGE("failed to open %s: %s\n", tmp_map_file.c_str(), strerror(errno));
return -1;
}
- FILE* mapf = fdopen(mapfd, "w");
// Make sure we can write to the status_file.
if (!android::base::WriteStringToFd("0\n", status_fd)) {
- ALOGE("failed to update \"%s\"\n", status_file.c_str());
+ ALOGE("failed to update \"%s\"\n", STATUS_FILE.c_str());
return -1;
}
struct stat sb;
- int ret = stat(path, &sb);
- if (ret != 0) {
- ALOGE("failed to stat %s\n", path);
+ if (stat(path, &sb) != 0) {
+ ALOGE("failed to stat %s", path);
return -1;
}
- ALOGI(" block size: %ld bytes\n", (long)sb.st_blksize);
+ ALOGI(" block size: %ld bytes", static_cast<long>(sb.st_blksize));
int blocks = ((sb.st_size-1) / sb.st_blksize) + 1;
- ALOGI(" file size: %lld bytes, %d blocks\n", (long long)sb.st_size, blocks);
+ ALOGI(" file size: %" PRId64 " bytes, %d blocks", sb.st_size, blocks);
- int range_alloc = 1;
- int range_used = 1;
- int* ranges = reinterpret_cast<int*>(malloc(range_alloc * 2 * sizeof(int)));
- ranges[0] = -1;
- ranges[1] = -1;
+ std::vector<int> ranges;
- fprintf(mapf, "%s\n%lld %lu\n", blk_dev, (long long)sb.st_size, (unsigned long)sb.st_blksize);
+ 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())) {
+ ALOGE("failed to write %s: %s", tmp_map_file.c_str(), strerror(errno));
+ return -1;
+ }
- unsigned char* buffers[WINDOW_SIZE];
+ std::vector<std::vector<unsigned char>> buffers;
if (encrypted) {
- for (size_t i = 0; i < WINDOW_SIZE; ++i) {
- buffers[i] = reinterpret_cast<unsigned char*>(malloc(sb.st_blksize));
- }
+ buffers.resize(WINDOW_SIZE, std::vector<unsigned char>(sb.st_blksize));
}
int head_block = 0;
int head = 0, tail = 0;
- size_t pos = 0;
- int fd = open(path, O_RDONLY);
- if (fd < 0) {
- ALOGE("failed to open fd for reading: %s\n", strerror(errno));
+ unique_fd fd(open(path, O_RDONLY));
+ if (!fd) {
+ ALOGE("failed to open %s for reading: %s", path, strerror(errno));
return -1;
}
- int wfd = -1;
+ unique_fd wfd(-1);
if (encrypted) {
- wfd = open(blk_dev, O_WRONLY | O_SYNC);
- if (wfd < 0) {
- ALOGE("failed to open fd for writing: %s\n", strerror(errno));
+ wfd = open(blk_dev, O_WRONLY);
+ if (!wfd) {
+ ALOGE("failed to open fd for writing: %s", strerror(errno));
return -1;
}
}
+ off64_t pos = 0;
int last_progress = 0;
while (pos < sb.st_size) {
// Update the status file, progress must be between [0, 99].
@@ -245,15 +241,14 @@ 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;
- ret = ioctl(fd, FIBMAP, &block);
- if (ret != 0) {
- ALOGE("failed to find block %d\n", head_block);
+ if (ioctl(fd.get(), FIBMAP, &block) != 0) {
+ ALOGE("failed to find block %d", head_block);
return -1;
}
- add_block_to_ranges(&ranges, &range_alloc, &range_used, block);
+ add_block_to_ranges(ranges, block);
if (encrypted) {
- if (write_at_offset(buffers[head], sb.st_blksize, wfd,
- (off64_t)sb.st_blksize * block) != 0) {
+ if (write_at_offset(buffers[head].data(), sb.st_blksize, wfd.get(),
+ static_cast<off64_t>(sb.st_blksize) * block) != 0) {
return -1;
}
}
@@ -263,17 +258,13 @@ static int produce_block_map(const char* path, const char* map_file, const char*
// read next block to tail
if (encrypted) {
- size_t so_far = 0;
- while (so_far < sb.st_blksize && pos < sb.st_size) {
- ssize_t this_read =
- TEMP_FAILURE_RETRY(read(fd, buffers[tail] + so_far, sb.st_blksize - so_far));
- if (this_read == -1) {
- ALOGE("failed to read: %s\n", strerror(errno));
- return -1;
- }
- so_far += this_read;
- pos += this_read;
+ 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)) {
+ ALOGE("failed to read: %s", strerror(errno));
+ return -1;
}
+ pos += to_read;
} else {
// If we're not encrypting; we don't need to actually read
// anything, just skip pos forward as if we'd read a
@@ -286,15 +277,14 @@ 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;
- ret = ioctl(fd, FIBMAP, &block);
- if (ret != 0) {
- ALOGE("failed to find block %d\n", head_block);
+ if (ioctl(fd.get(), FIBMAP, &block) != 0) {
+ ALOGE("failed to find block %d", head_block);
return -1;
}
- add_block_to_ranges(&ranges, &range_alloc, &range_used, block);
+ add_block_to_ranges(ranges, block);
if (encrypted) {
- if (write_at_offset(buffers[head], sb.st_blksize, wfd,
- (off64_t)sb.st_blksize * block) != 0) {
+ if (write_at_offset(buffers[head].data(), sb.st_blksize, wfd.get(),
+ static_cast<off64_t>(sb.st_blksize) * block) != 0) {
return -1;
}
}
@@ -302,67 +292,130 @@ static int produce_block_map(const char* path, const char* map_file, const char*
++head_block;
}
- fprintf(mapf, "%d\n", range_used);
- for (int i = 0; i < range_used; ++i) {
- fprintf(mapf, "%d %d\n", ranges[i*2], ranges[i*2+1]);
+ if (!android::base::WriteStringToFd(
+ android::base::StringPrintf("%zu\n", ranges.size() / 2), mapfd.get())) {
+ 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())) {
+ ALOGE("failed to write %s: %s", tmp_map_file.c_str(), strerror(errno));
+ return -1;
+ }
}
- if (fsync(mapfd) == -1) {
- ALOGE("failed to fsync \"%s\": %s\n", map_file, strerror(errno));
+ if (fsync(mapfd.get()) == -1) {
+ ALOGE("failed to fsync \"%s\": %s", tmp_map_file.c_str(), strerror(errno));
return -1;
}
- fclose(mapf);
- close(fd);
+ if (close(mapfd.get() == -1)) {
+ ALOGE("failed to close %s: %s", tmp_map_file.c_str(), strerror(errno));
+ return -1;
+ }
+ mapfd = -1;
+
if (encrypted) {
- if (fsync(wfd) == -1) {
- ALOGE("failed to fsync \"%s\": %s\n", blk_dev, strerror(errno));
+ if (fsync(wfd.get()) == -1) {
+ ALOGE("failed to fsync \"%s\": %s", blk_dev, strerror(errno));
return -1;
}
- close(wfd);
+ if (close(wfd.get()) == -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) {
+ ALOGE("failed to rename %s to %s: %s", tmp_map_file.c_str(), map_file, strerror(errno));
+ return -1;
+ }
+ // 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) {
+ ALOGE("failed to open dir %s: %s", dir_name.c_str(), strerror(errno));
+ return -1;
+ }
+ if (fsync(dfd.get()) == -1) {
+ ALOGE("failed to fsync %s: %s", dir_name.c_str(), strerror(errno));
+ return -1;
+ }
+ if (close(dfd.get() == -1)) {
+ ALOGE("failed to close %s: %s", dir_name.c_str(), strerror(errno));
+ return -1;
+ }
+ dfd = -1;
return 0;
}
-static void wipe_misc() {
- ALOGI("removing old commands from misc");
+static std::string get_misc_blk_device() {
+ struct fstab* fstab = read_fstab();
+ if (fstab == nullptr) {
+ return "";
+ }
for (int i = 0; i < fstab->num_entries; ++i) {
- struct fstab_rec* v = &fstab->recs[i];
- if (!v->mount_point) continue;
- if (strcmp(v->mount_point, "/misc") == 0) {
- int fd = open(v->blk_device, O_WRONLY | O_SYNC);
- uint8_t zeroes[1088]; // sizeof(bootloader_message) from recovery
- memset(zeroes, 0, sizeof(zeroes));
-
- size_t written = 0;
- size_t size = sizeof(zeroes);
- while (written < size) {
- ssize_t w = TEMP_FAILURE_RETRY(write(fd, zeroes, size-written));
- if (w == -1) {
- ALOGE("zero write failed: %s\n", strerror(errno));
- return;
- } else {
- written += w;
- }
- }
- if (fsync(fd) == -1) {
- ALOGE("failed to fsync \"%s\": %s\n", v->blk_device, strerror(errno));
- close(fd);
- return;
- }
- close(fd);
+ fstab_rec* v = &fstab->recs[i];
+ if (v->mount_point != nullptr && strcmp(v->mount_point, "/misc") == 0) {
+ return v->blk_device;
}
}
+ return "";
+}
+
+static int read_bootloader_message(bootloader_message* out) {
+ std::string misc_blk_device = get_misc_blk_device();
+ if (misc_blk_device.empty()) {
+ ALOGE("failed to find /misc partition.");
+ return -1;
+ }
+ unique_fd fd(open(misc_blk_device.c_str(), O_RDONLY));
+ if (!fd) {
+ ALOGE("failed to open %s: %s", misc_blk_device.c_str(), strerror(errno));
+ return -1;
+ }
+ if (!android::base::ReadFully(fd.get(), out, sizeof(*out))) {
+ ALOGE("failed to read %s: %s", misc_blk_device.c_str(), strerror(errno));
+ return -1;
+ }
+ return 0;
+}
+
+static int write_bootloader_message(const bootloader_message* in) {
+ std::string misc_blk_device = get_misc_blk_device();
+ if (misc_blk_device.empty()) {
+ ALOGE("failed to find /misc partition.");
+ return -1;
+ }
+ unique_fd fd(open(misc_blk_device.c_str(), O_WRONLY | O_SYNC));
+ if (!fd) {
+ ALOGE("failed to open %s: %s", misc_blk_device.c_str(), strerror(errno));
+ return -1;
+ }
+ if (!android::base::WriteFully(fd.get(), 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) {
+ ALOGE("failed to fsync %s: %s", misc_blk_device.c_str(), strerror(errno));
+ return -1;
+ }
+ return 0;
}
static void reboot_to_recovery() {
ALOGI("rebooting to recovery");
property_set("sys.powerctl", "reboot,recovery");
- sleep(10);
+ while (true) {
+ pause();
+ }
ALOGE("reboot didn't succeed?");
}
-int uncrypt(const char* input_path, const char* map_file, int status_fd) {
+static int uncrypt(const char* input_path, const char* map_file, int status_fd) {
ALOGI("update package is \"%s\"", input_path);
@@ -389,8 +442,8 @@ int uncrypt(const char* input_path, const char* map_file, int status_fd) {
// If the filesystem it's on isn't encrypted, we only produce the
// block map, we don't rewrite the file contents (it would be
// pointless to do so).
- ALOGI("encryptable: %s\n", encryptable ? "yes" : "no");
- ALOGI(" encrypted: %s\n", encrypted ? "yes" : "no");
+ ALOGI("encryptable: %s", encryptable ? "yes" : "no");
+ ALOGI(" encrypted: %s", encrypted ? "yes" : "no");
// Recovery supports installing packages from 3 paths: /cache,
// /data, and /sdcard. (On a particular device, other locations
@@ -409,57 +462,113 @@ int uncrypt(const char* input_path, const char* map_file, int status_fd) {
return 0;
}
-int main(int argc, char** argv) {
- const char* input_path;
- const char* map_file;
-
- if (argc != 3 && argc != 1 && (argc == 2 && strcmp(argv[1], "--reboot") != 0)) {
- fprintf(stderr, "usage: %s [--reboot] [<transform_path> <map_file>]\n", argv[0]);
- return 2;
+static int uncrypt_wrapper(const char* input_path, const char* map_file,
+ const std::string& status_file) {
+ // The pipe has been created by the system server.
+ unique_fd status_fd(open(status_file.c_str(), O_WRONLY | O_CREAT | O_SYNC, S_IRUSR | S_IWUSR));
+ if (!status_fd) {
+ ALOGE("failed to open pipe \"%s\": %s", status_file.c_str(), strerror(errno));
+ return 1;
}
- // When uncrypt is started with "--reboot", it wipes misc and reboots.
- // Otherwise it uncrypts the package and writes the block map.
- if (argc == 2) {
- if (read_fstab() == NULL) {
- return 1;
- }
- wipe_misc();
- reboot_to_recovery();
- } else {
- // The pipe has been created by the system server.
- int status_fd = open(status_file.c_str(), O_WRONLY | O_CREAT | O_SYNC, S_IRUSR | S_IWUSR);
- if (status_fd == -1) {
- ALOGE("failed to open pipe \"%s\": %s\n", status_file.c_str(), strerror(errno));
+ std::string package;
+ if (input_path == nullptr) {
+ if (!find_uncrypt_package(UNCRYPT_PATH_FILE, &package)) {
+ android::base::WriteStringToFd("-1\n", status_fd.get());
return 1;
}
+ input_path = package.c_str();
+ }
+ CHECK(map_file != nullptr);
+ int status = uncrypt(input_path, map_file, status_fd.get());
+ if (status != 0) {
+ android::base::WriteStringToFd("-1\n", status_fd.get());
+ return 1;
+ }
+ android::base::WriteStringToFd("100\n", status_fd.get());
+ return 0;
+}
+
+static int clear_bcb(const std::string& status_file) {
+ unique_fd status_fd(open(status_file.c_str(), O_WRONLY | O_CREAT | O_SYNC, S_IRUSR | S_IWUSR));
+ if (!status_fd) {
+ ALOGE("failed to open pipe \"%s\": %s", status_file.c_str(), strerror(errno));
+ return 1;
+ }
+ bootloader_message boot = {};
+ if (write_bootloader_message(&boot) != 0) {
+ android::base::WriteStringToFd("-1\n", status_fd.get());
+ return 1;
+ }
+ android::base::WriteStringToFd("100\n", status_fd.get());
+ return 0;
+}
+static int setup_bcb(const std::string& command_file, const std::string& status_file) {
+ unique_fd status_fd(open(status_file.c_str(), O_WRONLY | O_CREAT | O_SYNC, S_IRUSR | S_IWUSR));
+ if (!status_fd) {
+ ALOGE("failed to open pipe \"%s\": %s", status_file.c_str(), strerror(errno));
+ return 1;
+ }
+ std::string content;
+ if (!android::base::ReadFileToString(command_file, &content)) {
+ ALOGE("failed to read \"%s\": %s", command_file.c_str(), strerror(errno));
+ android::base::WriteStringToFd("-1\n", status_fd.get());
+ return 1;
+ }
+ bootloader_message boot = {};
+ strlcpy(boot.command, "boot-recovery", sizeof(boot.command));
+ strlcpy(boot.recovery, "recovery\n", sizeof(boot.recovery));
+ strlcat(boot.recovery, content.c_str(), sizeof(boot.recovery));
+ if (write_bootloader_message(&boot) != 0) {
+ ALOGE("failed to set bootloader message");
+ android::base::WriteStringToFd("-1\n", status_fd.get());
+ return 1;
+ }
+ android::base::WriteStringToFd("100\n", status_fd.get());
+ return 0;
+}
+
+static int read_bcb() {
+ bootloader_message boot;
+ if (read_bootloader_message(&boot) != 0) {
+ ALOGE("failed to get bootloader message");
+ return 1;
+ }
+ printf("bcb command: %s\n", boot.command);
+ printf("bcb recovery:\n%s\n", boot.recovery);
+ return 0;
+}
+
+static void usage(const char* exename) {
+ fprintf(stderr, "Usage of %s:\n", exename);
+ fprintf(stderr, "%s [<package_path> <map_file>] Uncrypt ota package.\n", exename);
+ fprintf(stderr, "%s --reboot Clear BCB data and reboot to recovery.\n", exename);
+ fprintf(stderr, "%s --clear-bcb Clear BCB data in misc partition.\n", exename);
+ fprintf(stderr, "%s --setup-bcb Setup BCB data by command file.\n", exename);
+ fprintf(stderr, "%s --read-bcb Read BCB data from misc partition.\n", exename);
+}
+
+int main(int argc, char** argv) {
+ if (argc == 2) {
+ if (strcmp(argv[1], "--reboot") == 0) {
+ reboot_to_recovery();
+ } else if (strcmp(argv[1], "--clear-bcb") == 0) {
+ return clear_bcb(STATUS_FILE);
+ } else if (strcmp(argv[1], "--setup-bcb") == 0) {
+ return setup_bcb(COMMAND_FILE, STATUS_FILE);
+ } else if (strcmp(argv[1], "--read-bcb") == 0) {
+ return read_bcb();
+ }
+ } else if (argc == 1 || argc == 3) {
+ const char* input_path = nullptr;
+ const char* map_file = CACHE_BLOCK_MAP.c_str();
if (argc == 3) {
- // when command-line args are given this binary is being used
- // for debugging.
input_path = argv[1];
map_file = argv[2];
- } else {
- std::string package;
- if (!find_uncrypt_package(package)) {
- android::base::WriteStringToFd("-1\n", status_fd);
- close(status_fd);
- return 1;
- }
- input_path = package.c_str();
- map_file = cache_block_map.c_str();
}
-
- int status = uncrypt(input_path, map_file, status_fd);
- if (status != 0) {
- android::base::WriteStringToFd("-1\n", status_fd);
- close(status_fd);
- return 1;
- }
-
- android::base::WriteStringToFd("100\n", status_fd);
- close(status_fd);
+ return uncrypt_wrapper(input_path, map_file, STATUS_FILE);
}
-
- return 0;
+ usage(argv[0]);
+ return 2;
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-06-02 08:18:19 +0200