mirror of
https://github.com/google/sandboxed-api.git
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68 lines
2.0 KiB
C++
68 lines
2.0 KiB
C++
// Copyright 2019 Google LLC
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#include "sandboxed_api/sandbox2/util/temp_file.h"
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#include <fcntl.h>
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#include <sys/stat.h>
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#include <sys/types.h>
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#include <unistd.h>
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#include <cstdlib>
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#include <vector>
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#include "absl/strings/str_cat.h"
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#include "sandboxed_api/sandbox2/util/fileops.h"
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#include "sandboxed_api/sandbox2/util/strerror.h"
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#include "sandboxed_api/util/canonical_errors.h"
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namespace sandbox2 {
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namespace {
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constexpr absl::string_view kMktempSuffix = "XXXXXX";
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} // namespace
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sapi::StatusOr<std::pair<std::string, int>> CreateNamedTempFile(
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absl::string_view prefix) {
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std::string name_template = absl::StrCat(prefix, kMktempSuffix);
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int fd = mkstemp(&name_template[0]);
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if (fd < 0) {
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return sapi::UnknownError(absl::StrCat("mkstemp():", StrError(errno)));
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}
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return std::pair<std::string, int>{std::move(name_template), fd};
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}
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sapi::StatusOr<std::string> CreateNamedTempFileAndClose(
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absl::string_view prefix) {
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auto result_or = CreateNamedTempFile(prefix);
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if (result_or.ok()) {
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std::string path;
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int fd;
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std::tie(path, fd) = result_or.ValueOrDie();
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close(fd);
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return path;
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}
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return result_or.status();
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}
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sapi::StatusOr<std::string> CreateTempDir(absl::string_view prefix) {
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std::string name_template = absl::StrCat(prefix, kMktempSuffix);
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if (mkdtemp(&name_template[0]) == nullptr) {
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return sapi::UnknownError(absl::StrCat("mkdtemp():", StrError(errno)));
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}
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return name_template;
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}
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} // namespace sandbox2
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