18a63ecbc5635ed234ace8088a16680a8641014c8vapier/****************************************************************************** 28a63ecbc5635ed234ace8088a16680a8641014c8vapier * 30ea7aa0d2460fe27bde2285792a6706604f9c4b9Cyril Hrubis * Copyright (c) International Business Machines Corp., 2006 40ea7aa0d2460fe27bde2285792a6706604f9c4b9Cyril Hrubis * Author: Yi Yang <yyangcdl@cn.ibm.com> 50ea7aa0d2460fe27bde2285792a6706604f9c4b9Cyril Hrubis * Copyright (c) Cyril Hrubis 2014 <chrubis@suse.cz> 68a63ecbc5635ed234ace8088a16680a8641014c8vapier * 70ea7aa0d2460fe27bde2285792a6706604f9c4b9Cyril Hrubis * This program is free software; you can redistribute it and/or modify 80ea7aa0d2460fe27bde2285792a6706604f9c4b9Cyril Hrubis * it under the terms of the GNU General Public License as published by 90ea7aa0d2460fe27bde2285792a6706604f9c4b9Cyril Hrubis * the Free Software Foundation; either version 2 of the License, or 100ea7aa0d2460fe27bde2285792a6706604f9c4b9Cyril Hrubis * (at your option) any later version. 118a63ecbc5635ed234ace8088a16680a8641014c8vapier * 120ea7aa0d2460fe27bde2285792a6706604f9c4b9Cyril Hrubis * This program is distributed in the hope that it will be useful, 130ea7aa0d2460fe27bde2285792a6706604f9c4b9Cyril Hrubis * but WITHOUT ANY WARRANTY; without even the implied warranty of 140ea7aa0d2460fe27bde2285792a6706604f9c4b9Cyril Hrubis * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See 150ea7aa0d2460fe27bde2285792a6706604f9c4b9Cyril Hrubis * the GNU General Public License for more details. 168a63ecbc5635ed234ace8088a16680a8641014c8vapier * 170ea7aa0d2460fe27bde2285792a6706604f9c4b9Cyril Hrubis * You should have received a copy of the GNU General Public License 180ea7aa0d2460fe27bde2285792a6706604f9c4b9Cyril Hrubis * along with this program; if not, write to the Free Software 190ea7aa0d2460fe27bde2285792a6706604f9c4b9Cyril Hrubis * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA 208a63ecbc5635ed234ace8088a16680a8641014c8vapier * 210ea7aa0d2460fe27bde2285792a6706604f9c4b9Cyril Hrubis * This test case will verify basic function of readlinkat 220ea7aa0d2460fe27bde2285792a6706604f9c4b9Cyril Hrubis * added by kernel 2.6.16 or up. 238a63ecbc5635ed234ace8088a16680a8641014c8vapier * 248a63ecbc5635ed234ace8088a16680a8641014c8vapier *****************************************************************************/ 258a63ecbc5635ed234ace8088a16680a8641014c8vapier 268a63ecbc5635ed234ace8088a16680a8641014c8vapier#define _GNU_SOURCE 278a63ecbc5635ed234ace8088a16680a8641014c8vapier 288a63ecbc5635ed234ace8088a16680a8641014c8vapier#include <sys/types.h> 298a63ecbc5635ed234ace8088a16680a8641014c8vapier#include <sys/stat.h> 308a63ecbc5635ed234ace8088a16680a8641014c8vapier#include <sys/time.h> 318a63ecbc5635ed234ace8088a16680a8641014c8vapier#include <fcntl.h> 328a63ecbc5635ed234ace8088a16680a8641014c8vapier#include <error.h> 338a63ecbc5635ed234ace8088a16680a8641014c8vapier#include <stdlib.h> 348a63ecbc5635ed234ace8088a16680a8641014c8vapier#include <errno.h> 358a63ecbc5635ed234ace8088a16680a8641014c8vapier#include <string.h> 368a63ecbc5635ed234ace8088a16680a8641014c8vapier#include <signal.h> 378a63ecbc5635ed234ace8088a16680a8641014c8vapier#include "test.h" 380ea7aa0d2460fe27bde2285792a6706604f9c4b9Cyril Hrubis#include "safe_macros.h" 390ea7aa0d2460fe27bde2285792a6706604f9c4b9Cyril Hrubis#include "lapi/readlinkat.h" 408a63ecbc5635ed234ace8088a16680a8641014c8vapier 410ea7aa0d2460fe27bde2285792a6706604f9c4b9Cyril Hrubisstatic void setup(void); 420ea7aa0d2460fe27bde2285792a6706604f9c4b9Cyril Hrubisstatic void cleanup(void); 438a63ecbc5635ed234ace8088a16680a8641014c8vapier 44fdce7d5e2a219d201a2b0e3bab6b61b01ec1d716Cyril Hrubischar *TCID = "readlinkat01"; 458a63ecbc5635ed234ace8088a16680a8641014c8vapier 46e25705238e7d5d24a3aa3bba9800afe36cbd5f5eCyril Hrubisstatic int dir_fd, fd; 470ea7aa0d2460fe27bde2285792a6706604f9c4b9Cyril Hrubisstatic int fd_invalid = 100; 480ea7aa0d2460fe27bde2285792a6706604f9c4b9Cyril Hrubisstatic int fd_atcwd = AT_FDCWD; 498a63ecbc5635ed234ace8088a16680a8641014c8vapier 500ea7aa0d2460fe27bde2285792a6706604f9c4b9Cyril Hrubis#define TEST_SYMLINK "readlink_symlink" 510ea7aa0d2460fe27bde2285792a6706604f9c4b9Cyril Hrubis#define TEST_FILE "readlink_file" 528a63ecbc5635ed234ace8088a16680a8641014c8vapier 530ea7aa0d2460fe27bde2285792a6706604f9c4b9Cyril Hrubisstatic char abspath[1024]; 548a63ecbc5635ed234ace8088a16680a8641014c8vapier 550ea7aa0d2460fe27bde2285792a6706604f9c4b9Cyril Hrubisstatic struct test_case { 56e25705238e7d5d24a3aa3bba9800afe36cbd5f5eCyril Hrubis int *dir_fd; 570ea7aa0d2460fe27bde2285792a6706604f9c4b9Cyril Hrubis const char *path; 580ea7aa0d2460fe27bde2285792a6706604f9c4b9Cyril Hrubis const char *exp_buf; 590ea7aa0d2460fe27bde2285792a6706604f9c4b9Cyril Hrubis int exp_ret; 600ea7aa0d2460fe27bde2285792a6706604f9c4b9Cyril Hrubis int exp_errno; 610ea7aa0d2460fe27bde2285792a6706604f9c4b9Cyril Hrubis} test_cases[] = { 62e25705238e7d5d24a3aa3bba9800afe36cbd5f5eCyril Hrubis {&dir_fd, TEST_SYMLINK, TEST_FILE, sizeof(TEST_FILE)-1, 0}, 63e25705238e7d5d24a3aa3bba9800afe36cbd5f5eCyril Hrubis {&dir_fd, abspath, TEST_FILE, sizeof(TEST_FILE)-1, 0}, 640ea7aa0d2460fe27bde2285792a6706604f9c4b9Cyril Hrubis {&fd, TEST_SYMLINK, NULL, -1, ENOTDIR}, 650ea7aa0d2460fe27bde2285792a6706604f9c4b9Cyril Hrubis {&fd_invalid, TEST_SYMLINK, NULL, -1, EBADF}, 660ea7aa0d2460fe27bde2285792a6706604f9c4b9Cyril Hrubis {&fd_atcwd, TEST_SYMLINK, TEST_FILE, sizeof(TEST_FILE)-1, 0}, 670ea7aa0d2460fe27bde2285792a6706604f9c4b9Cyril Hrubis}; 688a63ecbc5635ed234ace8088a16680a8641014c8vapier 690ea7aa0d2460fe27bde2285792a6706604f9c4b9Cyril Hrubisint TST_TOTAL = ARRAY_SIZE(test_cases); 708a63ecbc5635ed234ace8088a16680a8641014c8vapier 710ea7aa0d2460fe27bde2285792a6706604f9c4b9Cyril Hrubisstatic void verify_readlinkat(struct test_case *test) 728a63ecbc5635ed234ace8088a16680a8641014c8vapier{ 730ea7aa0d2460fe27bde2285792a6706604f9c4b9Cyril Hrubis char buf[1024]; 748a63ecbc5635ed234ace8088a16680a8641014c8vapier 750ea7aa0d2460fe27bde2285792a6706604f9c4b9Cyril Hrubis memset(buf, 0, sizeof(buf)); 768a63ecbc5635ed234ace8088a16680a8641014c8vapier 77e25705238e7d5d24a3aa3bba9800afe36cbd5f5eCyril Hrubis TEST(readlinkat(*test->dir_fd, test->path, buf, sizeof(buf))); 788a63ecbc5635ed234ace8088a16680a8641014c8vapier 790ea7aa0d2460fe27bde2285792a6706604f9c4b9Cyril Hrubis if (TEST_RETURN != test->exp_ret) { 800ea7aa0d2460fe27bde2285792a6706604f9c4b9Cyril Hrubis tst_resm(TFAIL | TTERRNO, 810ea7aa0d2460fe27bde2285792a6706604f9c4b9Cyril Hrubis "readlinkat() returned %ld, expected %d", 820ea7aa0d2460fe27bde2285792a6706604f9c4b9Cyril Hrubis TEST_RETURN, test->exp_ret); 830ea7aa0d2460fe27bde2285792a6706604f9c4b9Cyril Hrubis return; 848a63ecbc5635ed234ace8088a16680a8641014c8vapier } 858a63ecbc5635ed234ace8088a16680a8641014c8vapier 860ea7aa0d2460fe27bde2285792a6706604f9c4b9Cyril Hrubis if (TEST_ERRNO != test->exp_errno) { 870ea7aa0d2460fe27bde2285792a6706604f9c4b9Cyril Hrubis tst_resm(TFAIL | TTERRNO, 880ea7aa0d2460fe27bde2285792a6706604f9c4b9Cyril Hrubis "readlinkat() returned %ld, expected %d", 890ea7aa0d2460fe27bde2285792a6706604f9c4b9Cyril Hrubis TEST_RETURN, test->exp_ret); 900ea7aa0d2460fe27bde2285792a6706604f9c4b9Cyril Hrubis return; 918a63ecbc5635ed234ace8088a16680a8641014c8vapier } 928a63ecbc5635ed234ace8088a16680a8641014c8vapier 930ea7aa0d2460fe27bde2285792a6706604f9c4b9Cyril Hrubis if (test->exp_ret > 0 && strcmp(test->exp_buf, buf)) { 940ea7aa0d2460fe27bde2285792a6706604f9c4b9Cyril Hrubis tst_resm(TFAIL, "Unexpected buffer have '%s', expected '%s'", 950ea7aa0d2460fe27bde2285792a6706604f9c4b9Cyril Hrubis buf, test->exp_buf); 960ea7aa0d2460fe27bde2285792a6706604f9c4b9Cyril Hrubis return; 978a63ecbc5635ed234ace8088a16680a8641014c8vapier } 988a63ecbc5635ed234ace8088a16680a8641014c8vapier 990ea7aa0d2460fe27bde2285792a6706604f9c4b9Cyril Hrubis tst_resm(TPASS | TTERRNO, "readlinkat() returned %ld", TEST_RETURN); 1000ea7aa0d2460fe27bde2285792a6706604f9c4b9Cyril Hrubis} 1018a63ecbc5635ed234ace8088a16680a8641014c8vapier 1020ea7aa0d2460fe27bde2285792a6706604f9c4b9Cyril Hrubisint main(int ac, char **av) 1030ea7aa0d2460fe27bde2285792a6706604f9c4b9Cyril Hrubis{ 1040ea7aa0d2460fe27bde2285792a6706604f9c4b9Cyril Hrubis int lc; 1050ea7aa0d2460fe27bde2285792a6706604f9c4b9Cyril Hrubis int i; 1068a63ecbc5635ed234ace8088a16680a8641014c8vapier 107d6d11d08678aac1ed2c370ea8e42e5f45aea07beCyril Hrubis tst_parse_opts(ac, av, NULL, NULL); 1088a63ecbc5635ed234ace8088a16680a8641014c8vapier 1090ea7aa0d2460fe27bde2285792a6706604f9c4b9Cyril Hrubis setup(); 1108a63ecbc5635ed234ace8088a16680a8641014c8vapier 1110ea7aa0d2460fe27bde2285792a6706604f9c4b9Cyril Hrubis for (lc = 0; TEST_LOOPING(lc); lc++) { 1120ea7aa0d2460fe27bde2285792a6706604f9c4b9Cyril Hrubis for (i = 0; i < TST_TOTAL; i++) 1130ea7aa0d2460fe27bde2285792a6706604f9c4b9Cyril Hrubis verify_readlinkat(&test_cases[i]); 1148a63ecbc5635ed234ace8088a16680a8641014c8vapier } 1158a63ecbc5635ed234ace8088a16680a8641014c8vapier 1160ea7aa0d2460fe27bde2285792a6706604f9c4b9Cyril Hrubis cleanup(); 1170ea7aa0d2460fe27bde2285792a6706604f9c4b9Cyril Hrubis tst_exit(); 1188a63ecbc5635ed234ace8088a16680a8641014c8vapier} 1198a63ecbc5635ed234ace8088a16680a8641014c8vapier 1200ea7aa0d2460fe27bde2285792a6706604f9c4b9Cyril Hrubisstatic void setup(void) 1218a63ecbc5635ed234ace8088a16680a8641014c8vapier{ 1220ea7aa0d2460fe27bde2285792a6706604f9c4b9Cyril Hrubis tst_tmpdir(); 1239c31ad210f817055592163cbc648032fcbe8b130Cyril Hrubis char *tmpdir = tst_get_tmpdir(); 1240ea7aa0d2460fe27bde2285792a6706604f9c4b9Cyril Hrubis 1250ea7aa0d2460fe27bde2285792a6706604f9c4b9Cyril Hrubis snprintf(abspath, sizeof(abspath), "%s/" TEST_SYMLINK, tmpdir); 1260ea7aa0d2460fe27bde2285792a6706604f9c4b9Cyril Hrubis free(tmpdir); 1272c28215423293e443469a07ae7011135d058b671Garrett Cooper 1280ea7aa0d2460fe27bde2285792a6706604f9c4b9Cyril Hrubis fd = SAFE_OPEN(cleanup, TEST_FILE, O_CREAT, 0600); 1290ea7aa0d2460fe27bde2285792a6706604f9c4b9Cyril Hrubis SAFE_SYMLINK(cleanup, TEST_FILE, TEST_SYMLINK); 130e25705238e7d5d24a3aa3bba9800afe36cbd5f5eCyril Hrubis dir_fd = SAFE_OPEN(cleanup, ".", O_DIRECTORY); 1318a63ecbc5635ed234ace8088a16680a8641014c8vapier 1328a63ecbc5635ed234ace8088a16680a8641014c8vapier TEST_PAUSE; 1332c28215423293e443469a07ae7011135d058b671Garrett Cooper} 1348a63ecbc5635ed234ace8088a16680a8641014c8vapier 1350ea7aa0d2460fe27bde2285792a6706604f9c4b9Cyril Hrubisstatic void cleanup(void) 1368a63ecbc5635ed234ace8088a16680a8641014c8vapier{ 1370ea7aa0d2460fe27bde2285792a6706604f9c4b9Cyril Hrubis if (fd > 0 && close(fd)) 1380ea7aa0d2460fe27bde2285792a6706604f9c4b9Cyril Hrubis tst_resm(TWARN | TERRNO, "Failed to close fd"); 1398a63ecbc5635ed234ace8088a16680a8641014c8vapier 140e25705238e7d5d24a3aa3bba9800afe36cbd5f5eCyril Hrubis if (dir_fd > 0 && close(dir_fd)) 141e25705238e7d5d24a3aa3bba9800afe36cbd5f5eCyril Hrubis tst_resm(TWARN | TERRNO, "Failed to close dir_fd"); 1420ea7aa0d2460fe27bde2285792a6706604f9c4b9Cyril Hrubis 1430ea7aa0d2460fe27bde2285792a6706604f9c4b9Cyril Hrubis tst_rmdir(); 144ec6edca7aa42b6affd989ef91b5897f96795e40fChris Dearman} 145