X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=blobdiff_plain;f=src%2Fjournal%2Ftest-compress.c;fp=src%2Fjournal%2Ftest-compress.c;h=0000000000000000000000000000000000000000;hp=ae41c0c4c792c5a05b4d20e9f85d808a2c7f3817;hb=4d6a9d42289f0616c7e37a6d2d7e085d5c71870e;hpb=d2d9ac67812e2f8c8b82a0f3428aa576b4d58a71 diff --git a/src/journal/test-compress.c b/src/journal/test-compress.c deleted file mode 100644 index ae41c0c4c..000000000 --- a/src/journal/test-compress.c +++ /dev/null @@ -1,246 +0,0 @@ -/*** - This file is part of systemd - - Copyright 2014 Ronny Chevalier - - systemd is free software; you can redistribute it and/or modify it - under the terms of the GNU Lesser General Public License as published by - the Free Software Foundation; either version 2.1 of the License, or - (at your option) any later version. - - systemd is distributed in the hope that it will be useful, but - WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public License - along with systemd; If not, see . -***/ - -#include "compress.h" -#include "util.h" -#include "macro.h" - -#ifdef HAVE_XZ -# define XZ_OK 0 -#else -# define XZ_OK -EPROTONOSUPPORT -#endif - -#ifdef HAVE_LZ4 -# define LZ4_OK 0 -#else -# define LZ4_OK -EPROTONOSUPPORT -#endif - -typedef int (compress_blob_t)(const void *src, uint64_t src_size, - void *dst, size_t *dst_size); -typedef int (decompress_blob_t)(const void *src, uint64_t src_size, - void **dst, size_t *dst_alloc_size, - size_t* dst_size, size_t dst_max); -typedef int (decompress_sw_t)(const void *src, uint64_t src_size, - void **buffer, size_t *buffer_size, - const void *prefix, size_t prefix_len, - uint8_t extra); - -typedef int (compress_stream_t)(int fdf, int fdt, off_t max_bytes); -typedef int (decompress_stream_t)(int fdf, int fdt, off_t max_size); - -static void test_compress_decompress(int compression, - compress_blob_t compress, - decompress_blob_t decompress, - const char *data, - size_t data_len, - bool may_fail) { - char compressed[512]; - size_t csize = 512; - size_t usize = 0; - _cleanup_free_ char *decompressed = NULL; - int r; - - log_info("/* testing %s %s blob compression/decompression */", - object_compressed_to_string(compression), data); - - r = compress(data, data_len, compressed, &csize); - if (r == -ENOBUFS) { - log_info_errno(r, "compression failed: %m"); - assert_se(may_fail); - } else { - assert_se(r == 0); - r = decompress(compressed, csize, - (void **) &decompressed, &usize, &csize, 0); - assert_se(r == 0); - assert_se(decompressed); - assert_se(memcmp(decompressed, data, data_len) == 0); - } - - r = decompress("garbage", 7, - (void **) &decompressed, &usize, &csize, 0); - assert_se(r < 0); - - /* make sure to have the minimal lz4 compressed size */ - r = decompress("00000000\1g", 9, - (void **) &decompressed, &usize, &csize, 0); - assert_se(r < 0); - - r = decompress("\100000000g", 9, - (void **) &decompressed, &usize, &csize, 0); - assert_se(r < 0); - - memzero(decompressed, usize); -} - -static void test_decompress_startswith(int compression, - compress_blob_t compress, - decompress_sw_t decompress_sw, - const char *data, - size_t data_len, - bool may_fail) { - - char compressed[512]; - size_t csize = 512; - size_t usize = 0; - _cleanup_free_ char *decompressed = NULL; - int r; - - log_info("/* testing decompress_startswith with %s on %s text*/", - object_compressed_to_string(compression), data); - - r = compress(data, data_len, compressed, &csize); - if (r == -ENOBUFS) { - log_info_errno(r, "compression failed: %m"); - assert_se(may_fail); - return; - } - assert_se(r == 0); - - assert_se(decompress_sw(compressed, - csize, - (void **) &decompressed, - &usize, - data, strlen(data), '\0') > 0); - assert_se(decompress_sw(compressed, - csize, - (void **) &decompressed, - &usize, - data, strlen(data), 'w') == 0); - assert_se(decompress_sw(compressed, - csize, - (void **) &decompressed, - &usize, - "barbarbar", 9, ' ') == 0); - assert_se(decompress_sw(compressed, - csize, - (void **) &decompressed, - &usize, - data, strlen(data), '\0') > 0); -} - -static void test_compress_stream(int compression, - const char* cat, - compress_stream_t compress, - decompress_stream_t decompress, - const char *srcfile) { - - _cleanup_close_ int src = -1, dst = -1, dst2 = -1; - char pattern[] = "/tmp/systemd-test.xz.XXXXXX", - pattern2[] = "/tmp/systemd-test.xz.XXXXXX"; - int r; - _cleanup_free_ char *cmd = NULL, *cmd2; - struct stat st = {}; - - log_debug("/* testing %s compression */", - object_compressed_to_string(compression)); - - log_debug("/* create source from %s */", srcfile); - - assert_se((src = open(srcfile, O_RDONLY|O_CLOEXEC)) >= 0); - - log_debug("/* test compression */"); - - assert_se((dst = mkostemp_safe(pattern, O_RDWR|O_CLOEXEC)) >= 0); - - assert_se(compress(src, dst, -1) == 0); - - if (cat) { - assert_se(asprintf(&cmd, "%s %s | diff %s -", cat, pattern, srcfile) > 0); - assert_se(system(cmd) == 0); - } - - log_debug("/* test decompression */"); - - assert_se((dst2 = mkostemp_safe(pattern2, O_RDWR|O_CLOEXEC)) >= 0); - - assert_se(stat(srcfile, &st) == 0); - - assert_se(lseek(dst, 0, SEEK_SET) == 0); - r = decompress(dst, dst2, st.st_size); - assert_se(r == 0); - - assert_se(asprintf(&cmd2, "diff %s %s", srcfile, pattern2) > 0); - assert_se(system(cmd2) == 0); - - log_debug("/* test faulty decompression */"); - - assert_se(lseek(dst, 1, SEEK_SET) == 1); - r = decompress(dst, dst2, st.st_size); - assert_se(r == -EBADMSG); - - assert_se(lseek(dst, 0, SEEK_SET) == 0); - assert_se(lseek(dst2, 0, SEEK_SET) == 0); - r = decompress(dst, dst2, st.st_size - 1); - assert_se(r == -EFBIG); - - assert_se(unlink(pattern) == 0); - assert_se(unlink(pattern2) == 0); -} - -int main(int argc, char *argv[]) { - const char text[] = - "text\0foofoofoofoo AAAA aaaaaaaaa ghost busters barbarbar FFF" - "foofoofoofoo AAAA aaaaaaaaa ghost busters barbarbar FFF"; - - char data[512] = "random\0"; - - log_set_max_level(LOG_DEBUG); - - random_bytes(data + 7, sizeof(data) - 7); - -#ifdef HAVE_XZ - test_compress_decompress(OBJECT_COMPRESSED_XZ, compress_blob_xz, decompress_blob_xz, - text, sizeof(text), false); - test_compress_decompress(OBJECT_COMPRESSED_XZ, compress_blob_xz, decompress_blob_xz, - data, sizeof(data), true); - test_decompress_startswith(OBJECT_COMPRESSED_XZ, - compress_blob_xz, decompress_startswith_xz, - text, sizeof(text), false); - test_decompress_startswith(OBJECT_COMPRESSED_XZ, - compress_blob_xz, decompress_startswith_xz, - data, sizeof(data), true); - test_compress_stream(OBJECT_COMPRESSED_XZ, "xzcat", - compress_stream_xz, decompress_stream_xz, argv[0]); -#else - log_info("/* XZ test skipped */"); -#endif - -#ifdef HAVE_LZ4 - test_compress_decompress(OBJECT_COMPRESSED_LZ4, compress_blob_lz4, decompress_blob_lz4, - text, sizeof(text), false); - test_compress_decompress(OBJECT_COMPRESSED_LZ4, compress_blob_lz4, decompress_blob_lz4, - data, sizeof(data), true); - test_decompress_startswith(OBJECT_COMPRESSED_LZ4, - compress_blob_lz4, decompress_startswith_lz4, - text, sizeof(text), false); - test_decompress_startswith(OBJECT_COMPRESSED_LZ4, - compress_blob_lz4, decompress_startswith_lz4, - data, sizeof(data), true); - - /* Produced stream is not compatible with lz4 binary, skip lz4cat check. */ - test_compress_stream(OBJECT_COMPRESSED_LZ4, NULL, - compress_stream_lz4, decompress_stream_lz4, argv[0]); -#else - log_info("/* LZ4 test skipped */"); -#endif - - return 0; -}