static void* unzip_file(ZipArchiveHandle zip, const char* entry_name, unsigned* sz)
{
ZipEntryName zip_entry_name(entry_name);
ZipEntry zip_entry;
if (FindEntry(zip, zip_entry_name, &zip_entry) != 0) {
fprintf(stderr, "archive does not contain '%s'\n", entry_name);
return 0;
}
*sz = zip_entry.uncompressed_length;
uint8_t* data = reinterpret_cast<uint8_t*>(malloc(zip_entry.uncompressed_length));
if (data == NULL) {
fprintf(stderr, "failed to allocate %u bytes for '%s'\n", *sz, entry_name);
return 0;
}
int error = ExtractToMemory(zip, &zip_entry, data, zip_entry.uncompressed_length);
if (error != 0) {
fprintf(stderr, "failed to extract '%s': %s\n", entry_name, ErrorCodeString(error));
free(data);
return 0;
}
return data;
}
static int unzip_to_file(ZipArchiveHandle zip, char* entry_name) {
FILE* fp = tmpfile();
if (fp == NULL) {
fprintf(stderr, "failed to create temporary file for '%s': %s\n",
entry_name, strerror(errno));
return -1;
}
ZipEntryName zip_entry_name(entry_name);
ZipEntry zip_entry;
if (FindEntry(zip, zip_entry_name, &zip_entry) != 0) {
fprintf(stderr, "archive does not contain '%s'\n", entry_name);
return -1;
}
int fd = fileno(fp);
int error = ExtractEntryToFile(zip, &zip_entry, fd);
if (error != 0) {
fprintf(stderr, "failed to extract '%s': %s\n", entry_name, ErrorCodeString(error));
return -1;
}
lseek(fd, 0, SEEK_SET);
return fd;
}
std::unique_ptr<ZipFileCollection> ZipFileCollection::create(const StringPiece& path,
std::string* outError) {
constexpr static const int32_t kEmptyArchive = -6;
std::unique_ptr<ZipFileCollection> collection = std::unique_ptr<ZipFileCollection>(
new ZipFileCollection());
int32_t result = OpenArchive(path.data(), &collection->mHandle);
if (result != 0) {
// If a zip is empty, result will be an error code. This is fine and we should
// return an empty ZipFileCollection.
if (result == kEmptyArchive) {
return collection;
}
if (outError) *outError = ErrorCodeString(result);
return {};
}
void* cookie = nullptr;
result = StartIteration(collection->mHandle, &cookie, nullptr, nullptr);
if (result != 0) {
if (outError) *outError = ErrorCodeString(result);
return {};
}
using IterationEnder = std::unique_ptr<void, decltype(EndIteration)*>;
IterationEnder iterationEnder(cookie, EndIteration);
ZipString zipEntryName;
ZipEntry zipData;
while ((result = Next(cookie, &zipData, &zipEntryName)) == 0) {
std::string zipEntryPath = std::string(reinterpret_cast<const char*>(zipEntryName.name),
zipEntryName.name_length);
std::string nestedPath = path.toString() + "@" + zipEntryPath;
collection->mFiles[zipEntryPath] = util::make_unique<ZipFile>(collection->mHandle,
zipData,
Source(nestedPath));
}
if (result != -1) {
if (outError) *outError = ErrorCodeString(result);
return {};
}
return collection;
}
static void ExtractToPipe(ZipArchiveHandle zah, ZipEntry& entry, const std::string& name) {
// We need to extract to memory because ExtractEntryToFile insists on
// being able to seek and truncate, and you can't do that with stdout.
uint8_t* buffer = new uint8_t[entry.uncompressed_length];
int err = ExtractToMemory(zah, &entry, buffer, entry.uncompressed_length);
if (err < 0) {
error(1, 0, "failed to extract %s: %s", name.c_str(), ErrorCodeString(err));
}
if (!android::base::WriteFully(1, buffer, entry.uncompressed_length)) {
error(1, errno, "failed to write %s to stdout", name.c_str());
}
delete[] buffer;
}
static void ProcessAll(ZipArchiveHandle zah) {
MaybeShowHeader();
// libziparchive iteration order doesn't match the central directory.
// We could sort, but that would cost extra and wouldn't match either.
void* cookie;
int err = StartIteration(zah, &cookie);
if (err != 0) {
error(1, 0, "couldn't iterate %s: %s", archive_name, ErrorCodeString(err));
}
ZipEntry entry;
ZipString string;
while ((err = Next(cookie, &entry, &string)) >= 0) {
std::string name(string.name, string.name + string.name_length);
if (ShouldInclude(name)) ProcessOne(zah, entry, name);
}
if (err < -1) error(1, 0, "failed iterating %s: %s", archive_name, ErrorCodeString(err));
EndIteration(cookie);
MaybeShowFooter();
}
static void ExtractOne(ZipArchiveHandle zah, ZipEntry& entry, const std::string& name) {
// Bad filename?
if (android::base::StartsWith(name, "/") || android::base::StartsWith(name, "../") ||
name.find("/../") != std::string::npos) {
error(1, 0, "bad filename %s", name.c_str());
}
// Where are we actually extracting to (for human-readable output)?
std::string dst;
if (flag_d) {
dst = flag_d;
if (!android::base::EndsWith(dst, "/")) dst += '/';
}
dst += name;
// Ensure the directory hierarchy exists.
if (!MakeDirectoryHierarchy(android::base::Dirname(name))) {
error(1, errno, "couldn't create directory hierarchy for %s", dst.c_str());
}
// An entry in a zip file can just be a directory itself.
if (android::base::EndsWith(name, "/")) {
if (mkdir(name.c_str(), entry.unix_mode) == -1) {
// If the directory already exists, that's fine.
if (errno == EEXIST) {
struct stat sb;
if (stat(name.c_str(), &sb) != -1 && S_ISDIR(sb.st_mode)) return;
}
error(1, errno, "couldn't extract directory %s", dst.c_str());
}
return;
}
// Create the file.
int fd = open(name.c_str(), O_CREAT | O_WRONLY | O_CLOEXEC | O_EXCL, entry.unix_mode);
if (fd == -1 && errno == EEXIST) {
if (overwrite_mode == kNever) return;
if (overwrite_mode == kPrompt && !PromptOverwrite(dst)) return;
// Either overwrite_mode is kAlways or the user consented to this specific case.
fd = open(name.c_str(), O_WRONLY | O_CREAT | O_CLOEXEC | O_TRUNC, entry.unix_mode);
}
if (fd == -1) error(1, errno, "couldn't create file %s", dst.c_str());
// Actually extract into the file.
if (!flag_q) printf(" inflating: %s\n", dst.c_str());
int err = ExtractEntryToFile(zah, &entry, fd);
if (err < 0) error(1, 0, "failed to extract %s: %s", dst.c_str(), ErrorCodeString(err));
close(fd);
}
void do_update(usb_handle *usb, const char *filename, int erase_first)
{
queue_info_dump();
fb_queue_query_save("product", cur_product, sizeof(cur_product));
ZipArchiveHandle zip;
int error = OpenArchive(filename, &zip);
if (error != 0) {
CloseArchive(zip);
die("failed to open zip file '%s': %s", filename, ErrorCodeString(error));
}
unsigned sz;
void* data = unzip_file(zip, "android-info.txt", &sz);
if (data == 0) {
CloseArchive(zip);
die("update package '%s' has no android-info.txt", filename);
}
setup_requirements(reinterpret_cast<char*>(data), sz);
for (size_t i = 0; i < ARRAY_SIZE(images); ++i) {
int fd = unzip_to_file(zip, images[i].img_name);
if (fd == -1) {
if (images[i].is_optional) {
continue;
}
CloseArchive(zip);
exit(1); // unzip_to_file already explained why.
}
fastboot_buffer buf;
int rc = load_buf_fd(usb, fd, &buf);
if (rc) die("cannot load %s from flash", images[i].img_name);
do_update_signature(zip, images[i].sig_name);
if (erase_first && needs_erase(usb, images[i].part_name)) {
fb_queue_erase(images[i].part_name);
}
flash_buf(images[i].part_name, &buf);
/* not closing the fd here since the sparse code keeps the fd around
* but hasn't mmaped data yet. The tmpfile will get cleaned up when the
* program exits.
*/
}
CloseArchive(zip);
}
int main(int argc, char* argv[]) {
static struct option opts[] = {
{"help", no_argument, 0, 'h'},
};
bool saw_x = false;
int opt;
while ((opt = getopt_long(argc, argv, "-d:hlnopqvx", opts, nullptr)) != -1) {
switch (opt) {
case 'd':
flag_d = optarg;
break;
case 'h':
ShowHelp(true);
break;
case 'l':
flag_l = true;
break;
case 'n':
overwrite_mode = kNever;
break;
case 'o':
overwrite_mode = kAlways;
break;
case 'p':
flag_p = flag_q = true;
break;
case 'q':
flag_q = true;
break;
case 'v':
flag_v = true;
break;
case 'x':
saw_x = true;
break;
case 1:
// -x swallows all following arguments, so we use '-' in the getopt
// string and collect files here.
if (!archive_name) {
archive_name = optarg;
} else if (saw_x) {
excludes.insert(optarg);
} else {
includes.insert(optarg);
}
break;
default:
ShowHelp(false);
}
}
if (!archive_name) error(1, 0, "missing archive filename");
// We can't support "-" to unzip from stdin because libziparchive relies on mmap.
ZipArchiveHandle zah;
int32_t err;
if ((err = OpenArchive(archive_name, &zah)) != 0) {
error(1, 0, "couldn't open %s: %s", archive_name, ErrorCodeString(err));
}
// Implement -d by changing into that directory.
// We'll create implicit directories based on paths in the zip file, but we
// require that the -d directory already exists.
if (flag_d && chdir(flag_d) == -1) error(1, errno, "couldn't chdir to %s", flag_d);
ProcessAll(zah);
CloseArchive(zah);
return 0;
}
static void throwIoException(JNIEnv* env, const int32_t errorCode) {
jniThrowException(env, "java/io/IOException", ErrorCodeString(errorCode));
}
// -----------------------------------------------------------------------------
// CSifUiTest::SetResult()
// -----------------------------------------------------------------------------
//
void CSifUiTest::SetResult( TTestResult& aResult, const TInt aReturnCode ) const
{
aResult.SetResult( aReturnCode, ErrorCodeString( aReturnCode ) );
}
