From b52ee4bfe046a4e75289174a6400818310fea2da Mon Sep 17 00:00:00 2001 From: Hongzhen Luo Date: Wed, 13 Nov 2024 17:37:38 +0800 Subject: [PATCH] [EROFS]: test: add test for pax-header tar Signed-off-by: Hongzhen Luo --- src/overlaybd/tar/erofs/test/CMakeLists.txt | 7 +- src/overlaybd/tar/erofs/test/test.cpp | 375 ++++++++++++++++++-- 2 files changed, 343 insertions(+), 39 deletions(-) diff --git a/src/overlaybd/tar/erofs/test/CMakeLists.txt b/src/overlaybd/tar/erofs/test/CMakeLists.txt index 290504fa..fd82eeb7 100644 --- a/src/overlaybd/tar/erofs/test/CMakeLists.txt +++ b/src/overlaybd/tar/erofs/test/CMakeLists.txt @@ -7,7 +7,12 @@ link_directories($ENV{GTEST}/lib) add_executable(erofs_test test.cpp) target_include_directories(erofs_test PUBLIC ${PHOTON_INCLUDE_DIR}) target_link_libraries(erofs_test gtest gtest_main pthread photon_static - tar_lib lsmt_lib gzip_lib gzindex_lib checksum_lib) + tar_lib lsmt_lib gzip_lib gzindex_lib checksum_lib overlaybd_image_lib) + +target_include_directories(erofs_test PUBLIC + ${PHOTON_INCLUDE_DIR} + ${rapidjson_SOURCE_DIR}/include +) add_test( NAME erofs_test diff --git a/src/overlaybd/tar/erofs/test/test.cpp b/src/overlaybd/tar/erofs/test/test.cpp index f9cbde37..6a827dbe 100644 --- a/src/overlaybd/tar/erofs/test/test.cpp +++ b/src/overlaybd/tar/erofs/test/test.cpp @@ -24,17 +24,58 @@ #include #include #include +#include #include "../../../gzindex/gzfile.h" #include "../../../lsmt/file.h" #include "../liberofs.h" #include "../../tar_file.cpp" #include "../../../gzip/gz.h" #include "../../../../tools/sha256file.h" +#include "../../../../tools/comm_func.h" #define FILE_SIZE (2 * 1024 * 1024) #define IMAGE_SIZE 512UL<<20 class ErofsTest : public ::testing::Test { +public: + static int inflate(std::string output_file, unsigned char *data, unsigned int size) { + unsigned char out[65536]; + z_stream strm; + int ret; + /* allocate inflate state */ + strm.zalloc = Z_NULL; + strm.zfree = Z_NULL; + strm.opaque = Z_NULL; + strm.avail_in = 0; + strm.next_in = Z_NULL; + ret = inflateInit2(&strm, 31); + if (ret != Z_OK) + return ret; + DEFER((void)inflateEnd(&strm)); + strm.avail_in = size; + strm.next_in = data; + int fd = open(output_file.c_str(), O_WRONLY | O_TRUNC | O_CREAT, 0644); + if (fd < 0) + return fd; + DEFER(close(fd)); + do { + strm.avail_out = sizeof(out); + strm.next_out = out; + ret = ::inflate(&strm, Z_NO_FLUSH); + switch (ret) { + case Z_NEED_DICT: + case Z_DATA_ERROR: + case Z_MEM_ERROR: + return -1; + } + int have = sizeof(out) - strm.avail_out; + if (write(fd, out, have) != have) { + return -1; + } + } while (strm.avail_out == 0); + return 0; + } + protected: virtual void SetUp() override{ fs = photon::fs::new_localfs_adaptor(); @@ -84,43 +125,6 @@ class ErofsTest : public ::testing::Test { return 0; } - int inflate(unsigned char *data, unsigned int size) { - unsigned char out[65536]; - z_stream strm; - int ret; - /* allocate inflate state */ - strm.zalloc = Z_NULL; - strm.zfree = Z_NULL; - strm.opaque = Z_NULL; - strm.avail_in = 0; - strm.next_in = Z_NULL; - ret = inflateInit2(&strm, 31); - if (ret != Z_OK) - return ret; - DEFER((void)inflateEnd(&strm)); - strm.avail_in = size; - strm.next_in = data; - int fd = open(std::string(workdir + "/test.tar").c_str(), O_WRONLY | O_TRUNC | O_CREAT, 0644); - if (fd < 0) - return fd; - DEFER(close(fd)); - do { - strm.avail_out = sizeof(out); - strm.next_out = out; - ret = ::inflate(&strm, Z_NO_FLUSH); - switch (ret) { - case Z_NEED_DICT: - case Z_DATA_ERROR: - case Z_MEM_ERROR: - return -1; - } - int have = sizeof(out) - strm.avail_out; - if (write(fd, out, have) != have) { - return -1; - } - } while (strm.avail_out == 0); - return 0; - } int write_file(photon::fs::IFile *file) { std::string bb = "abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz01"; ssize_t size = 0; @@ -221,7 +225,7 @@ TEST_F(ErofsTest, tar_meta) { 0x49, 0x1c, 0x0f, 0x00, 0x28, 0x00, 0x00 }; // set_log_output_level(0); - ASSERT_EQ(0, inflate(tar_zipped, sizeof(tar_zipped))); + ASSERT_EQ(0, ErofsTest::inflate(workdir + "/test.tar", tar_zipped, sizeof(tar_zipped))); auto src_file = fs->open("test.tar", O_RDONLY, 0666); ASSERT_NE(nullptr, src_file); @@ -250,6 +254,301 @@ TEST_F(ErofsTest, tar_meta) { delete tar_idx; } +class ErofsPax : public ::testing::Test { +protected: + photon::fs::IFileSystem *host_fs; + std::string workdir = "/tmp/pax_test"; + std::string src_path = workdir + "/pax.tar"; + std::string fn_idx = workdir + "/index.idx"; + std::string fn_meta = workdir + "/erofs.fs.meta"; + std::string sha256_path = workdir + "/sha256"; + + virtual void SetUp() override{ + ASSERT_EQ(0, prepare_host_fs()); + } + + virtual void TearDown() override{ + ASSERT_NE(nullptr, host_fs); + if (host_fs->access(src_path.c_str(), 0) == 0) { + ASSERT_EQ(0, host_fs->unlink(src_path.c_str())); + ASSERT_EQ(0, host_fs->unlink(fn_idx.c_str())); + ASSERT_EQ(0, host_fs->unlink(fn_meta.c_str())); + ASSERT_EQ(0, host_fs->unlink(sha256_path.c_str())); + } + delete host_fs; + } + + int prepare_host_fs() { + host_fs = photon::fs::new_localfs_adaptor(); + if (!host_fs) + return -1; + if (host_fs->access(workdir.c_str(), 0) != 0) { + if (host_fs->mkdir(workdir.c_str(), 0755)) + return -1; + } + return 0; + } +}; + +TEST_F(ErofsPax, pax_test) { + + static const unsigned char tar_zipped[3149] = { + 0x1f, 0x8b, 0x08, 0x08, 0x97, 0x59, 0x35, 0x67, 0x00, 0x03, 0x70, 0x61, 0x78, 0x2e, 0x74, 0x61, + 0x72, 0x00, 0xed, 0x9d, 0xdb, 0x72, 0xdb, 0x46, 0x12, 0x86, 0x7d, 0x9d, 0xa7, 0xf0, 0x0b, 0x88, + 0x9a, 0xf3, 0x00, 0x17, 0xbe, 0xd8, 0x8a, 0x53, 0xb1, 0xab, 0xe2, 0xda, 0xad, 0x24, 0x37, 0xb9, + 0x72, 0x0d, 0x0e, 0x94, 0x18, 0x8b, 0x87, 0x22, 0x21, 0xaf, 0x95, 0xa7, 0xdf, 0x01, 0x28, 0x99, + 0xc4, 0x90, 0xc4, 0x60, 0xc0, 0x41, 0x0b, 0xeb, 0xea, 0xef, 0x22, 0xb6, 0x25, 0x39, 0x6d, 0xe9, + 0x6f, 0xfc, 0xdd, 0x33, 0x98, 0xc3, 0xec, 0xf6, 0x3f, 0xe6, 0xdb, 0x87, 0xd2, 0x14, 0xe5, 0x76, + 0x37, 0xe3, 0x52, 0x72, 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0x67, 0xe4, 0xe4, 0xfc, 0x17, 0xa5, 0xf0, 0xfc, 0x37, + 0x10, 0x02, 0xe6, 0x7f, 0xa3, 0xf9, 0x3f, 0x4e, 0x04, 0x4f, 0x87, 0xbe, 0x2a, 0x5d, 0x13, 0xc3, + 0xeb, 0xff, 0xc7, 0xf3, 0xbf, 0x62, 0xbf, 0xfe, 0x5f, 0x69, 0xf4, 0x7f, 0x08, 0x8e, 0xf4, 0xaf, + 0xcc, 0xdd, 0x38, 0x8b, 0x00, 0x02, 0xc6, 0x7f, 0xcf, 0xfb, 0xbf, 0x24, 0xaf, 0xf5, 0xc7, 0xf1, + 0xdf, 0xf8, 0xb4, 0xcb, 0xbc, 0xd9, 0x6c, 0x66, 0xbf, 0x47, 0x8f, 0xe1, 0x1d, 0xff, 0xb9, 0xeb, + 0xbf, 0x29, 0xa5, 0x5a, 0x63, 0xfd, 0x87, 0xa0, 0x7f, 0xfd, 0x97, 0xa1, 0xdb, 0xbf, 0x9b, 0x64, + 0xc2, 0xea, 0x3e, 0x6d, 0x46, 0x7a, 0xe4, 0x5b, 0x78, 0xea, 0xbf, 0x94, 0xf2, 0xe8, 0xfc, 0x37, + 0x5e, 0xdf, 0xff, 0xc5, 0x15, 0xc3, 0xf5, 0xdf, 0x20, 0xdc, 0x16, 0xa6, 0x32, 0x23, 0xc7, 0x08, + 0xab, 0xff, 0xf5, 0xfc, 0x3f, 0x97, 0x78, 0xfe, 0x3b, 0x0c, 0x8d, 0xfe, 0xed, 0x26, 0x60, 0x67, + 0xaa, 0xc7, 0x6d, 0x61, 0x9e, 0x3e, 0x67, 0x8b, 0x2f, 0xe5, 0x6e, 0x96, 0xef, 0xbe, 0x5e, 0x19, + 0xc3, 0x5b, 0xff, 0x95, 0x3b, 0xfe, 0x17, 0x9a, 0x63, 0xfd, 0x07, 0x21, 0x60, 0xfe, 0x97, 0x07, + 0xd6, 0xff, 0x26, 0xb3, 0x4e, 0x93, 0x09, 0x3b, 0x82, 0x29, 0x71, 0x49, 0xa5, 0x98, 0x31, 0x3a, + 0xeb, 0x3f, 0xe5, 0x8c, 0xba, 0xf3, 0xbf, 0x54, 0x73, 0x5c, 0xff, 0x0f, 0x83, 0xbb, 0xde, 0x6b, + 0xb5, 0x98, 0x97, 0xbb, 0x6a, 0xf6, 0xf7, 0xee, 0xf2, 0x77, 0x1a, 0x8c, 0xd7, 0xff, 0xa5, 0x3b, + 0xfe, 0x63, 0x5a, 0xe3, 0xfa, 0x5f, 0x10, 0x02, 0xf6, 0x7f, 0x85, 0xfa, 0x7f, 0x2b, 0x99, 0xd0, + 0xf5, 0xa7, 0xc9, 0x48, 0x8f, 0x7c, 0x8b, 0x4e, 0xff, 0x57, 0x5c, 0xda, 0x3f, 0x1e, 0xc6, 0x7f, + 0x6a, 0x7f, 0xff, 0x23, 0xc3, 0xf5, 0x5f, 0x08, 0x82, 0x20, 0x08, 0x82, 0x20, 0x08, 0x82, 0x20, + 0x08, 0x12, 0x8d, 0xff, 0x01, 0xe8, 0xf1, 0xe2, 0x42, 0x00, 0x40, 0x01, 0x00 + }; + + // prepare pax-header tar + ASSERT_EQ(0, ErofsTest::inflate(src_path, const_cast(tar_zipped), sizeof(tar_zipped))); + + // create device + auto src_file = host_fs->open(src_path.c_str(), O_RDONLY, 0666); + ASSERT_NE(nullptr, src_file); + DEFER(delete src_file); + auto fmeta = host_fs->open(fn_idx.c_str(), O_RDWR | O_CREAT | O_TRUNC, S_IRWXU); + auto findex = host_fs->open(fn_meta.c_str(), O_RDWR | O_CREAT | O_TRUNC, S_IRWXU); + LSMT::WarpFileArgs args(findex, fmeta, src_file); + args.virtual_size = IMAGE_SIZE; + auto wrap_file = create_warpfile(args, false); + ASSERT_NE(wrap_file, nullptr); + + // create erofs image + auto tar = new LibErofs(wrap_file, 4096, true); + ASSERT_EQ(0, tar->extract_tar(src_file, true, true)); + delete tar; + + // setup erofs fs + auto erofs_fs = create_erofs_fs(wrap_file, 4096); + ASSERT_NE(erofs_fs, nullptr); + DEFER(delete erofs_fs); + + // traverse the fs tree + std::string res; + std::string std_res = "sha256:4d7ad1fb36abd862a7caa9da01233aed7c762bbb8d900dc5baf60c5b1ddd8496"; + std::vector items; + items.emplace_back("/"); + while (!items.empty()) { + std::string tmp = items.front(); + struct stat st; + + items.erase(items.begin()); + res += tmp; + ASSERT_EQ(0, erofs_fs->stat(tmp.c_str(), &st)); + if (S_ISDIR(st.st_mode)) { + auto dir = erofs_fs->opendir(tmp.c_str()); + while (dir->next()) { + dirent *dent = dir->get(); + items.emplace_back(tmp + "/" + dent->d_name); + } + dir->closedir(); + delete dir; + } + } + + auto sha256_f = host_fs->open(sha256_path.c_str(), O_RDWR | O_CREAT | O_TRUNC); + ASSERT_NE(sha256_f, nullptr); + sha256_f->pwrite(res.c_str(), res.size(), 0); + sha256_f->lseek(0, SEEK_SET); + auto sha256file = new_sha256_file(sha256_f, true); + ASSERT_STREQ(std_res.c_str(), sha256file->sha256_checksum().c_str()); + delete sha256_f; + delete sha256file; +} + int main(int argc, char **argv) { ::testing::InitGoogleTest(&argc, argv);