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updater: duplicate function definition
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Armin Mehdilou committed Jan 31, 2020
1 parent 00c2198 commit 8fcdee1
Showing 1 changed file with 0 additions and 87 deletions.
87 changes: 0 additions & 87 deletions updater/install.cpp
Original file line number Diff line number Diff line change
Expand Up @@ -762,93 +762,6 @@ Value* PackageExtractDirFn(const char* name, State* state,
return StringValue(success ? "t" : "");
}

// package_extract_file(package_file[, dest_file])
// Extracts a single package_file from the update package and writes it to dest_file,
// overwriting existing files if necessary. Without the dest_file argument, returns the
// contents of the package file as a binary blob.
Value* PackageExtractFileFn(const char* name, State* state,
const std::vector<std::unique_ptr<Expr>>& argv) {
if (argv.size() < 1 || argv.size() > 2) {
return ErrorAbort(state, kArgsParsingFailure, "%s() expects 1 or 2 args, got %zu", name,
argv.size());
}

if (argv.size() == 2) {
// The two-argument version extracts to a file.

std::vector<std::string> args;
if (!ReadArgs(state, argv, &args)) {
return ErrorAbort(state, kArgsParsingFailure, "%s() Failed to parse %zu args", name,
argv.size());
}
const std::string& zip_path = args[0];
const std::string& dest_path = args[1];

ZipArchiveHandle za = static_cast<UpdaterInfo*>(state->cookie)->package_zip;
ZipString zip_string_path(zip_path.c_str());
ZipEntry entry;
if (FindEntry(za, zip_string_path, &entry) != 0) {
LOG(ERROR) << name << ": no " << zip_path << " in package";
return StringValue("");
}

unique_fd fd(TEMP_FAILURE_RETRY(
ota_open(dest_path.c_str(), O_WRONLY | O_CREAT | O_TRUNC, S_IRUSR | S_IWUSR)));
if (fd == -1) {
PLOG(ERROR) << name << ": can't open " << dest_path << " for write";
return StringValue("");
}

bool success = true;
int32_t ret = ExtractEntryToFile(za, &entry, fd);
if (ret != 0) {
LOG(ERROR) << name << ": Failed to extract entry \"" << zip_path << "\" ("
<< entry.uncompressed_length << " bytes) to \"" << dest_path
<< "\": " << ErrorCodeString(ret);
success = false;
}
if (ota_fsync(fd) == -1) {
PLOG(ERROR) << "fsync of \"" << dest_path << "\" failed";
success = false;
}
if (ota_close(fd) == -1) {
PLOG(ERROR) << "close of \"" << dest_path << "\" failed";
success = false;
}

return StringValue(success ? "t" : "");
} else {
// The one-argument version returns the contents of the file as the result.

std::vector<std::string> args;
if (!ReadArgs(state, argv, &args)) {
return ErrorAbort(state, kArgsParsingFailure, "%s() Failed to parse %zu args", name,
argv.size());
}
const std::string& zip_path = args[0];

ZipArchiveHandle za = static_cast<UpdaterInfo*>(state->cookie)->package_zip;
ZipString zip_string_path(zip_path.c_str());
ZipEntry entry;
if (FindEntry(za, zip_string_path, &entry) != 0) {
return ErrorAbort(state, kPackageExtractFileFailure, "%s(): no %s in package", name,
zip_path.c_str());
}

std::string buffer;
buffer.resize(entry.uncompressed_length);

int32_t ret = ExtractToMemory(za, &entry, reinterpret_cast<uint8_t*>(&buffer[0]), buffer.size());
if (ret != 0) {
return ErrorAbort(state, kPackageExtractFileFailure,
"%s: Failed to extract entry \"%s\" (%zu bytes) to memory: %s", name,
zip_path.c_str(), buffer.size(), ErrorCodeString(ret));
}

return new Value(VAL_BLOB, buffer);
}
}

// symlink(target, [src1, src2, ...])
// Creates all sources as symlinks to target. It unlinks any previously existing src1, src2, etc
// before creating symlinks.
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