1f08c3bdfSopenharmony_ci/* 2f08c3bdfSopenharmony_ci * Copyright (c) 2015 Cedric Hnyda <chnyda@suse.com> 3f08c3bdfSopenharmony_ci * 4f08c3bdfSopenharmony_ci * This program is free software; you can redistribute it and/or 5f08c3bdfSopenharmony_ci * modify it under the terms of the GNU General Public License as 6f08c3bdfSopenharmony_ci * published by the Free Software Foundation; either version 2 of 7f08c3bdfSopenharmony_ci * the License, or (at your option) any later version. 8f08c3bdfSopenharmony_ci * 9f08c3bdfSopenharmony_ci * This program is distributed in the hope that it would be useful, 10f08c3bdfSopenharmony_ci * but WITHOUT ANY WARRANTY; without even the implied warranty of 11f08c3bdfSopenharmony_ci * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 12f08c3bdfSopenharmony_ci * GNU General Public License for more details. 13f08c3bdfSopenharmony_ci * 14f08c3bdfSopenharmony_ci * You should have received a copy of the GNU General Public License 15f08c3bdfSopenharmony_ci * along with this program; if not, write the Free Software Foundation, 16f08c3bdfSopenharmony_ci * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA 17f08c3bdfSopenharmony_ci */ 18f08c3bdfSopenharmony_ci 19f08c3bdfSopenharmony_ci /* Description: 20f08c3bdfSopenharmony_ci * Calls renameat2(2) with the flag RENAME_EXCHANGE and check that 21f08c3bdfSopenharmony_ci * the content was swapped 22f08c3bdfSopenharmony_ci */ 23f08c3bdfSopenharmony_ci 24f08c3bdfSopenharmony_ci#define _GNU_SOURCE 25f08c3bdfSopenharmony_ci 26f08c3bdfSopenharmony_ci#include "test.h" 27f08c3bdfSopenharmony_ci#include "safe_macros.h" 28f08c3bdfSopenharmony_ci#include "lapi/fcntl.h" 29f08c3bdfSopenharmony_ci#include "renameat2.h" 30f08c3bdfSopenharmony_ci 31f08c3bdfSopenharmony_ci#define TEST_DIR "test_dir/" 32f08c3bdfSopenharmony_ci#define TEST_DIR2 "test_dir2/" 33f08c3bdfSopenharmony_ci 34f08c3bdfSopenharmony_ci#define TEST_FILE "test_file" 35f08c3bdfSopenharmony_ci#define TEST_FILE2 "test_file2" 36f08c3bdfSopenharmony_ci 37f08c3bdfSopenharmony_cichar *TCID = "renameat202"; 38f08c3bdfSopenharmony_ci 39f08c3bdfSopenharmony_cistatic int olddirfd; 40f08c3bdfSopenharmony_cistatic int newdirfd; 41f08c3bdfSopenharmony_cistatic int fd = -1; 42f08c3bdfSopenharmony_cistatic int cnt; 43f08c3bdfSopenharmony_ci 44f08c3bdfSopenharmony_cistatic const char content[] = "content"; 45f08c3bdfSopenharmony_cistatic long fs_type; 46f08c3bdfSopenharmony_ci 47f08c3bdfSopenharmony_ci 48f08c3bdfSopenharmony_ciint TST_TOTAL = 1; 49f08c3bdfSopenharmony_ci 50f08c3bdfSopenharmony_cistatic void setup(void); 51f08c3bdfSopenharmony_cistatic void cleanup(void); 52f08c3bdfSopenharmony_cistatic void renameat2_verify(void); 53f08c3bdfSopenharmony_ci 54f08c3bdfSopenharmony_ci 55f08c3bdfSopenharmony_ciint main(int ac, char **av) 56f08c3bdfSopenharmony_ci{ 57f08c3bdfSopenharmony_ci int lc; 58f08c3bdfSopenharmony_ci 59f08c3bdfSopenharmony_ci tst_parse_opts(ac, av, NULL, NULL); 60f08c3bdfSopenharmony_ci 61f08c3bdfSopenharmony_ci setup(); 62f08c3bdfSopenharmony_ci 63f08c3bdfSopenharmony_ci for (lc = 0; TEST_LOOPING(lc); lc++) { 64f08c3bdfSopenharmony_ci 65f08c3bdfSopenharmony_ci tst_count = 0; 66f08c3bdfSopenharmony_ci 67f08c3bdfSopenharmony_ci TEST(renameat2(olddirfd, TEST_FILE, 68f08c3bdfSopenharmony_ci newdirfd, TEST_FILE2, RENAME_EXCHANGE)); 69f08c3bdfSopenharmony_ci 70f08c3bdfSopenharmony_ci cnt++; 71f08c3bdfSopenharmony_ci 72f08c3bdfSopenharmony_ci renameat2_verify(); 73f08c3bdfSopenharmony_ci } 74f08c3bdfSopenharmony_ci 75f08c3bdfSopenharmony_ci cleanup(); 76f08c3bdfSopenharmony_ci tst_exit(); 77f08c3bdfSopenharmony_ci} 78f08c3bdfSopenharmony_ci 79f08c3bdfSopenharmony_cistatic void setup(void) 80f08c3bdfSopenharmony_ci{ 81f08c3bdfSopenharmony_ci if ((tst_kvercmp(3, 15, 0)) < 0) { 82f08c3bdfSopenharmony_ci tst_brkm(TCONF, NULL, 83f08c3bdfSopenharmony_ci "This test can only run on kernels that are 3.15. and higher"); 84f08c3bdfSopenharmony_ci } 85f08c3bdfSopenharmony_ci 86f08c3bdfSopenharmony_ci tst_tmpdir(); 87f08c3bdfSopenharmony_ci 88f08c3bdfSopenharmony_ci fs_type = tst_fs_type(cleanup, "."); 89f08c3bdfSopenharmony_ci 90f08c3bdfSopenharmony_ci SAFE_MKDIR(cleanup, TEST_DIR, 0700); 91f08c3bdfSopenharmony_ci SAFE_MKDIR(cleanup, TEST_DIR2, 0700); 92f08c3bdfSopenharmony_ci 93f08c3bdfSopenharmony_ci SAFE_TOUCH(cleanup, TEST_DIR TEST_FILE, 0600, NULL); 94f08c3bdfSopenharmony_ci SAFE_TOUCH(cleanup, TEST_DIR2 TEST_FILE2, 0600, NULL); 95f08c3bdfSopenharmony_ci 96f08c3bdfSopenharmony_ci olddirfd = SAFE_OPEN(cleanup, TEST_DIR, O_DIRECTORY); 97f08c3bdfSopenharmony_ci newdirfd = SAFE_OPEN(cleanup, TEST_DIR2, O_DIRECTORY); 98f08c3bdfSopenharmony_ci 99f08c3bdfSopenharmony_ci SAFE_FILE_PRINTF(cleanup, TEST_DIR TEST_FILE, "%s", content); 100f08c3bdfSopenharmony_ci 101f08c3bdfSopenharmony_ci} 102f08c3bdfSopenharmony_ci 103f08c3bdfSopenharmony_cistatic void cleanup(void) 104f08c3bdfSopenharmony_ci{ 105f08c3bdfSopenharmony_ci if (olddirfd > 0 && close(olddirfd) < 0) 106f08c3bdfSopenharmony_ci tst_resm(TWARN | TERRNO, "close olddirfd failed"); 107f08c3bdfSopenharmony_ci 108f08c3bdfSopenharmony_ci if (newdirfd > 0 && close(newdirfd) < 0) 109f08c3bdfSopenharmony_ci tst_resm(TWARN | TERRNO, "close newdirfd failed"); 110f08c3bdfSopenharmony_ci 111f08c3bdfSopenharmony_ci if (fd > 0 && close(fd) < 0) 112f08c3bdfSopenharmony_ci tst_resm(TWARN | TERRNO, "close fd failed"); 113f08c3bdfSopenharmony_ci 114f08c3bdfSopenharmony_ci tst_rmdir(); 115f08c3bdfSopenharmony_ci 116f08c3bdfSopenharmony_ci} 117f08c3bdfSopenharmony_ci 118f08c3bdfSopenharmony_cistatic void renameat2_verify(void) 119f08c3bdfSopenharmony_ci{ 120f08c3bdfSopenharmony_ci char str[BUFSIZ] = { 0 }; 121f08c3bdfSopenharmony_ci struct stat st; 122f08c3bdfSopenharmony_ci char *emptyfile; 123f08c3bdfSopenharmony_ci char *contentfile; 124f08c3bdfSopenharmony_ci int readn, data_len; 125f08c3bdfSopenharmony_ci 126f08c3bdfSopenharmony_ci if (TEST_ERRNO == EINVAL && TST_BTRFS_MAGIC == fs_type) { 127f08c3bdfSopenharmony_ci tst_brkm(TCONF, cleanup, 128f08c3bdfSopenharmony_ci "RENAME_EXCHANGE flag is not implemeted on %s", 129f08c3bdfSopenharmony_ci tst_fs_type_name(fs_type)); 130f08c3bdfSopenharmony_ci } 131f08c3bdfSopenharmony_ci 132f08c3bdfSopenharmony_ci if (TEST_RETURN != 0) { 133f08c3bdfSopenharmony_ci tst_resm(TFAIL | TTERRNO, "renameat2() failed unexpectedly"); 134f08c3bdfSopenharmony_ci return; 135f08c3bdfSopenharmony_ci } 136f08c3bdfSopenharmony_ci 137f08c3bdfSopenharmony_ci if (cnt % 2 == 1) { 138f08c3bdfSopenharmony_ci emptyfile = TEST_DIR TEST_FILE; 139f08c3bdfSopenharmony_ci contentfile = TEST_DIR2 TEST_FILE2; 140f08c3bdfSopenharmony_ci } else { 141f08c3bdfSopenharmony_ci emptyfile = TEST_DIR2 TEST_FILE2; 142f08c3bdfSopenharmony_ci contentfile = TEST_DIR TEST_FILE; 143f08c3bdfSopenharmony_ci } 144f08c3bdfSopenharmony_ci 145f08c3bdfSopenharmony_ci fd = SAFE_OPEN(cleanup, contentfile, O_RDONLY); 146f08c3bdfSopenharmony_ci 147f08c3bdfSopenharmony_ci SAFE_STAT(cleanup, emptyfile, &st); 148f08c3bdfSopenharmony_ci 149f08c3bdfSopenharmony_ci readn = SAFE_READ(cleanup, 0, fd, str, BUFSIZ); 150f08c3bdfSopenharmony_ci 151f08c3bdfSopenharmony_ci if (close(fd) < 0) 152f08c3bdfSopenharmony_ci tst_brkm(TERRNO | TFAIL, cleanup, "close fd failed"); 153f08c3bdfSopenharmony_ci fd = 0; 154f08c3bdfSopenharmony_ci 155f08c3bdfSopenharmony_ci data_len = sizeof(content) - 1; 156f08c3bdfSopenharmony_ci if (readn != data_len) { 157f08c3bdfSopenharmony_ci tst_resm(TFAIL, "Wrong number of bytes read after renameat2(). " 158f08c3bdfSopenharmony_ci "Expect %d, got %d", data_len, readn); 159f08c3bdfSopenharmony_ci return; 160f08c3bdfSopenharmony_ci } 161f08c3bdfSopenharmony_ci if (strncmp(content, str, data_len)) { 162f08c3bdfSopenharmony_ci tst_resm(TFAIL, "File content changed after renameat2(). " 163f08c3bdfSopenharmony_ci "Expect '%s', got '%s'", content, str); 164f08c3bdfSopenharmony_ci return; 165f08c3bdfSopenharmony_ci } 166f08c3bdfSopenharmony_ci if (st.st_size) { 167f08c3bdfSopenharmony_ci tst_resm(TFAIL, "emptyfile has non-zero file size"); 168f08c3bdfSopenharmony_ci return; 169f08c3bdfSopenharmony_ci } 170f08c3bdfSopenharmony_ci tst_resm(TPASS, "renameat2() test passed"); 171f08c3bdfSopenharmony_ci} 172