StarMirror/sandboxed-api
1
0
Fork 0
mirror of https://github.com/google/sandboxed-api.git synced 2024-03-22 13:11:30 +08:00
Code Issues Projects Releases Wiki Activity

use AddDirectoryAt instead of AddDirectory in the security policy. Move the .gitmodules file to the lodepng folder (works this time)

Browse Source
This commit is contained in:
Andrei Medar 2020-08-13 09:07:36 +00:00
parent 27fcf0eb02
commit 53e4603b02
5 changed files with 14 additions and 19 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
.gitmodules vendored
View File

@ -1,3 +0,0 @@
[submodule "oss-internship-2020/sapi_lodepng/lodepng"]
path = oss-internship-2020/sapi_lodepng/lodepng
url = https://github.com/andreimedar/lodepng

4
oss-internship-2020/sapi_lodepng/main.cc
View File

@ -18,6 +18,7 @@
#include <cassert>
#include <filesystem>
#include <iostream>
// #include <libgen.h>
#include "lodepng/lodepng.h"
@ -250,7 +251,8 @@ void generate_two_steps(const std::string &images_path) {
int main(int argc, char *argv[]) {
std::string images_path = std::filesystem::current_path().string();
std::cout << "flag = " << images_path << std::endl;
std::cout << "path = " << images_path << std::endl;
// std::cout << "dirname = " << dirname((char*)images_path.c_str()) << std::endl;
generate_one_step(images_path);
generate_two_steps(images_path);

17
oss-internship-2020/sapi_lodepng/main_sandboxed.cc
View File

@ -17,6 +17,7 @@
#include <cassert>
#include <cstdlib>
#include <filesystem>
#include <iostream>
@ -206,8 +207,7 @@ ABSL_FLAG(string, images_path, std::filesystem::current_path().string(),
// }
// }
void generate_one_step(SapiLodepngSandbox &sandbox, LodepngApi &api,
const std::string &images_path) {
void generate_one_step(SapiLodepngSandbox &sandbox, LodepngApi &api) {
unsigned int width = 512, height = 512;
unsigned char *image = (unsigned char *)malloc(width * height * 4);
assert(image);
@ -224,7 +224,7 @@ void generate_one_step(SapiLodepngSandbox &sandbox, LodepngApi &api,
// encode the image
sapi::v::Array<unsigned char> sapi_image(image, width * height * 4);
sapi::v::UInt sapi_width(width), sapi_height(height);
std::string filename = images_path + "/out_generated1.png";
std::string filename = "/output/out_generated1.png";
sapi::v::ConstCStr sapi_filename(filename.c_str());
sapi::StatusOr<unsigned int> result = api.lodepng_encode32_file(
@ -273,8 +273,7 @@ void generate_one_step(SapiLodepngSandbox &sandbox, LodepngApi &api,
free(image);
}
void generate_two_steps(SapiLodepngSandbox &sandbox, LodepngApi &api,
const std::string &images_path) {
void generate_two_steps(SapiLodepngSandbox &sandbox, LodepngApi &api) {
// generate the values
unsigned int width = 512, height = 512;
unsigned char *image = (unsigned char *)malloc(width * height * 4);
@ -293,7 +292,7 @@ void generate_two_steps(SapiLodepngSandbox &sandbox, LodepngApi &api,
// encode the image into memory first
sapi::v::Array<unsigned char> sapi_image(image, width * height * 4);
sapi::v::UInt sapi_width(width), sapi_height(height);
std::string filename = images_path + "/out_generated2.png";
std::string filename = "/output/out_generated2.png";
sapi::v::ConstCStr sapi_filename(filename.c_str());
sapi::v::ULLong sapi_pngsize;
@ -390,7 +389,7 @@ int main(int argc, char *argv[]) {
std::string images_path(absl::GetFlag(FLAGS_images_path));
std::cout << "flag = " << images_path << std::endl;
std::cout << "path = " << images_path << std::endl;
SapiLodepngSandbox sandbox(images_path);
ret = sandbox.Init();
@ -402,8 +401,8 @@ int main(int argc, char *argv[]) {
LodepngApi api(&sandbox);
generate_one_step(sandbox, api, images_path);
generate_two_steps(sandbox, api, images_path);
generate_one_step(sandbox, api);
generate_two_steps(sandbox, api);
return EXIT_SUCCESS;
}

4
oss-internship-2020/sapi_lodepng/main_unit_test.cc
View File

@ -58,7 +58,7 @@ TEST(generate_image, encode_decode_compare_one_step) {
// encode the image
sapi::v::Array<unsigned char> sapi_image(image, width * height * 4);
sapi::v::UInt sapi_width(width), sapi_height(height);
std::string filename = images_path + "/out_generated1.png";
std::string filename = "/output/out_generated1.png";
sapi::v::ConstCStr sapi_filename(filename.c_str());
sapi::StatusOr<unsigned int> result = api.lodepng_encode32_file(
@ -134,7 +134,7 @@ TEST(generate_image, encode_decode_compare_two_step) {
// encode the image into memory first
sapi::v::Array<unsigned char> sapi_image(image, width * height * 4);
sapi::v::UInt sapi_width(width), sapi_height(height);
std::string filename = images_path + "/out_generated2.png";
std::string filename = "/output/out_generated2.png";
sapi::v::ConstCStr sapi_filename(filename.c_str());
sapi::v::ULLong sapi_pngsize;

5
oss-internship-2020/sapi_lodepng/sandbox.h
View File

@ -40,10 +40,7 @@ class SapiLodepngSandbox : public LodepngSandbox {
.AllowSystemMalloc()
.AllowExit()
.AllowStat()
// .AddFile("/usr/local/google/home/amedar/sapi_lodepng/test_images/test1.png")
.AddDirectory(images_path_, /*is_ro=*/false)
// .AddDirectory("/usr/local/google/home/amedar/sapi_lodepng/test_images/out",
// /*is_ro=*/false)
.AddDirectoryAt(images_path_, "/output/", /*is_ro=*/false)
.AllowSyscalls({
__NR_futex,
__NR_lseek,