1865695bbc89088b9526ea9045410e5afb70a985cplars/* 2865695bbc89088b9526ea9045410e5afb70a985cplars * 3865695bbc89088b9526ea9045410e5afb70a985cplars * Copyright (c) International Business Machines Corp., 2001 4865695bbc89088b9526ea9045410e5afb70a985cplars * 5865695bbc89088b9526ea9045410e5afb70a985cplars * This program is free software; you can redistribute it and/or modify 6865695bbc89088b9526ea9045410e5afb70a985cplars * it under the terms of the GNU General Public License as published by 7865695bbc89088b9526ea9045410e5afb70a985cplars * the Free Software Foundation; either version 2 of the License, or 8865695bbc89088b9526ea9045410e5afb70a985cplars * (at your option) any later version. 9865695bbc89088b9526ea9045410e5afb70a985cplars * 10865695bbc89088b9526ea9045410e5afb70a985cplars * This program is distributed in the hope that it will be useful, 11865695bbc89088b9526ea9045410e5afb70a985cplars * but WITHOUT ANY WARRANTY; without even the implied warranty of 12865695bbc89088b9526ea9045410e5afb70a985cplars * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See 13865695bbc89088b9526ea9045410e5afb70a985cplars * the GNU General Public License for more details. 14865695bbc89088b9526ea9045410e5afb70a985cplars * 15865695bbc89088b9526ea9045410e5afb70a985cplars * You should have received a copy of the GNU General Public License 16865695bbc89088b9526ea9045410e5afb70a985cplars * along with this program; if not, write to the Free Software 174548c6cf9bcdd96d8303caa4130ab638b61f8a30Wanlong Gao * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA 18865695bbc89088b9526ea9045410e5afb70a985cplars */ 19865695bbc89088b9526ea9045410e5afb70a985cplars 20865695bbc89088b9526ea9045410e5afb70a985cplars/* 21865695bbc89088b9526ea9045410e5afb70a985cplars * Test Description: 22865695bbc89088b9526ea9045410e5afb70a985cplars * Verify that, 23865695bbc89088b9526ea9045410e5afb70a985cplars * 1. access() fails with -1 return value and sets errno to EACCES 24865695bbc89088b9526ea9045410e5afb70a985cplars * if the permission bits of the file mode do not permit the 25865695bbc89088b9526ea9045410e5afb70a985cplars * requested (Read/Write/Execute) access. 26865695bbc89088b9526ea9045410e5afb70a985cplars * 2. access() fails with -1 return value and sets errno to EINVAL 27865695bbc89088b9526ea9045410e5afb70a985cplars * if the specified access mode argument is invalid. 28865695bbc89088b9526ea9045410e5afb70a985cplars * 3. access() fails with -1 return value and sets errno to EFAULT 29865695bbc89088b9526ea9045410e5afb70a985cplars * if the pathname points outside allocate address space for the 30865695bbc89088b9526ea9045410e5afb70a985cplars * process. 31865695bbc89088b9526ea9045410e5afb70a985cplars * 4. access() fails with -1 return value and sets errno to ENOENT 32865695bbc89088b9526ea9045410e5afb70a985cplars * if the specified file doesn't exist (or pathname is NULL). 33865695bbc89088b9526ea9045410e5afb70a985cplars * 5. access() fails with -1 return value and sets errno to ENAMETOOLONG 34865695bbc89088b9526ea9045410e5afb70a985cplars * if the pathname size is > PATH_MAX characters. 35c7b23c28e50c77e8d4c1887c00d765f2963b2a01Wang, Xiaoguang/王 小光 * 6. access() fails with -1 return value and sets errno to ENOTDIR 36c7b23c28e50c77e8d4c1887c00d765f2963b2a01Wang, Xiaoguang/王 小光 * if a component used as a directory in pathname is not a directory. 37c7b23c28e50c77e8d4c1887c00d765f2963b2a01Wang, Xiaoguang/王 小光 * 7. access() fails with -1 return value and sets errno to ELOOP 38c7b23c28e50c77e8d4c1887c00d765f2963b2a01Wang, Xiaoguang/王 小光 * if too many symbolic links were encountered in resolving pathname. 39865695bbc89088b9526ea9045410e5afb70a985cplars * 40b3e9e5ee189c11cc36fff206896f03fdfbec63fcWanlong Gao * 07/2001 Ported by Wayne Boyer 41865695bbc89088b9526ea9045410e5afb70a985cplars */ 42865695bbc89088b9526ea9045410e5afb70a985cplars 43865695bbc89088b9526ea9045410e5afb70a985cplars#include <stdio.h> 44865695bbc89088b9526ea9045410e5afb70a985cplars#include <errno.h> 45865695bbc89088b9526ea9045410e5afb70a985cplars#include <unistd.h> 46865695bbc89088b9526ea9045410e5afb70a985cplars#include <fcntl.h> 47865695bbc89088b9526ea9045410e5afb70a985cplars#include <string.h> 48865695bbc89088b9526ea9045410e5afb70a985cplars#include <signal.h> 49865695bbc89088b9526ea9045410e5afb70a985cplars#include <sys/types.h> 50865695bbc89088b9526ea9045410e5afb70a985cplars#include <sys/stat.h> 511ad845172048e19f8669f4f940296afe39c8f43eplars#include <sys/mman.h> 5273c2db7d46bd20fff64fba937ec7ae30f2f2f294robbiew#include <pwd.h> 53865695bbc89088b9526ea9045410e5afb70a985cplars 54865695bbc89088b9526ea9045410e5afb70a985cplars#include "test.h" 5549e58686340a5f5f939018b8f0520ad6c04c8445Wang, Xiaoguang#include "safe_macros.h" 56865695bbc89088b9526ea9045410e5afb70a985cplars 57865695bbc89088b9526ea9045410e5afb70a985cplars#define INV_OK -1 58865695bbc89088b9526ea9045410e5afb70a985cplars#define TEST_FILE1 "test_file1" 59865695bbc89088b9526ea9045410e5afb70a985cplars#define TEST_FILE2 "test_file2" 60865695bbc89088b9526ea9045410e5afb70a985cplars#define TEST_FILE3 "test_file3" 61865695bbc89088b9526ea9045410e5afb70a985cplars#define TEST_FILE4 "test_file4" 62c7b23c28e50c77e8d4c1887c00d765f2963b2a01Wang, Xiaoguang/王 小光#define TEST_FILE5 "test_file5/test_file5" 63c7b23c28e50c77e8d4c1887c00d765f2963b2a01Wang, Xiaoguang/王 小光#define TEST_FILE6 "test_file6" 64865695bbc89088b9526ea9045410e5afb70a985cplars 65865695bbc89088b9526ea9045410e5afb70a985cplars 66d34d581c6a320e356a6cda923c7aa399479e812crobbiew#if !defined(UCLINUX) 67b3e9e5ee189c11cc36fff206896f03fdfbec63fcWanlong Gaostatic char high_address_node[64]; 68d34d581c6a320e356a6cda923c7aa399479e812crobbiew#endif 6915226cdbc46b1a13023484bd304b13aa47d42b87robbiew 70b3e9e5ee189c11cc36fff206896f03fdfbec63fcWanlong Gaostatic char longpathname[PATH_MAX + 2]; 71865695bbc89088b9526ea9045410e5afb70a985cplars 72b3e9e5ee189c11cc36fff206896f03fdfbec63fcWanlong Gaostatic struct test_case_t { 73865695bbc89088b9526ea9045410e5afb70a985cplars char *pathname; 74865695bbc89088b9526ea9045410e5afb70a985cplars int a_mode; 75865695bbc89088b9526ea9045410e5afb70a985cplars int exp_errno; 76187e27ccf09f89229fb8d658e57d93458872b0b4Garrett Cooper} test_cases[] = { 7749e58686340a5f5f939018b8f0520ad6c04c8445Wang, Xiaoguang {TEST_FILE1, R_OK, EACCES}, 7849e58686340a5f5f939018b8f0520ad6c04c8445Wang, Xiaoguang {TEST_FILE2, W_OK, EACCES}, 7949e58686340a5f5f939018b8f0520ad6c04c8445Wang, Xiaoguang {TEST_FILE3, X_OK, EACCES}, 8049e58686340a5f5f939018b8f0520ad6c04c8445Wang, Xiaoguang {TEST_FILE4, INV_OK, EINVAL}, 81d34d581c6a320e356a6cda923c7aa399479e812crobbiew#if !defined(UCLINUX) 8249e58686340a5f5f939018b8f0520ad6c04c8445Wang, Xiaoguang {(char *)-1, R_OK, EFAULT}, 8349e58686340a5f5f939018b8f0520ad6c04c8445Wang, Xiaoguang {high_address_node, R_OK, EFAULT}, 84d34d581c6a320e356a6cda923c7aa399479e812crobbiew#endif 8549e58686340a5f5f939018b8f0520ad6c04c8445Wang, Xiaoguang {"", W_OK, ENOENT}, 8649e58686340a5f5f939018b8f0520ad6c04c8445Wang, Xiaoguang {longpathname, R_OK, ENAMETOOLONG}, 87c7b23c28e50c77e8d4c1887c00d765f2963b2a01Wang, Xiaoguang/王 小光 {TEST_FILE5, R_OK, ENOTDIR}, 88c7b23c28e50c77e8d4c1887c00d765f2963b2a01Wang, Xiaoguang/王 小光 {TEST_FILE6, R_OK, ELOOP}, 89b3e9e5ee189c11cc36fff206896f03fdfbec63fcWanlong Gao}; 90865695bbc89088b9526ea9045410e5afb70a985cplars 91fdce7d5e2a219d201a2b0e3bab6b61b01ec1d716Cyril Hrubischar *TCID = "access05"; 9249e58686340a5f5f939018b8f0520ad6c04c8445Wang, Xiaoguangint TST_TOTAL = ARRAY_SIZE(test_cases); 93865695bbc89088b9526ea9045410e5afb70a985cplars 94b3e9e5ee189c11cc36fff206896f03fdfbec63fcWanlong Gaostatic const char nobody_uid[] = "nobody"; 95b3e9e5ee189c11cc36fff206896f03fdfbec63fcWanlong Gaostatic struct passwd *ltpuser; 96865695bbc89088b9526ea9045410e5afb70a985cplars 97b3e9e5ee189c11cc36fff206896f03fdfbec63fcWanlong Gaostatic void setup(void); 9849e58686340a5f5f939018b8f0520ad6c04c8445Wang, Xiaoguangstatic void access_verify(int i); 99b3e9e5ee189c11cc36fff206896f03fdfbec63fcWanlong Gaostatic void cleanup(void); 100b3e9e5ee189c11cc36fff206896f03fdfbec63fcWanlong Gao 101b3e9e5ee189c11cc36fff206896f03fdfbec63fcWanlong Gaostatic char *bad_addr; 1021ad845172048e19f8669f4f940296afe39c8f43eplars 10356207cec7732e09c216c751c0b5f88a242bacae6subrata_modakint main(int ac, char **av) 104865695bbc89088b9526ea9045410e5afb70a985cplars{ 10589af32a63ce8a780ea39337339e14caae244b5a4Cyril Hrubis int lc; 106187e27ccf09f89229fb8d658e57d93458872b0b4Garrett Cooper int i; 107865695bbc89088b9526ea9045410e5afb70a985cplars 108d6d11d08678aac1ed2c370ea8e42e5f45aea07beCyril Hrubis tst_parse_opts(ac, av, NULL, NULL); 109865695bbc89088b9526ea9045410e5afb70a985cplars 110865695bbc89088b9526ea9045410e5afb70a985cplars setup(); 111865695bbc89088b9526ea9045410e5afb70a985cplars 112865695bbc89088b9526ea9045410e5afb70a985cplars for (lc = 0; TEST_LOOPING(lc); lc++) { 113d59a659cd639ca2780b00049d102acd2a783d585Caspar Zhang tst_count = 0; 114865695bbc89088b9526ea9045410e5afb70a985cplars 11549e58686340a5f5f939018b8f0520ad6c04c8445Wang, Xiaoguang for (i = 0; i < TST_TOTAL; i++) 11649e58686340a5f5f939018b8f0520ad6c04c8445Wang, Xiaoguang access_verify(i); 1172c28215423293e443469a07ae7011135d058b671Garrett Cooper } 118865695bbc89088b9526ea9045410e5afb70a985cplars 119865695bbc89088b9526ea9045410e5afb70a985cplars cleanup(); 120187e27ccf09f89229fb8d658e57d93458872b0b4Garrett Cooper tst_exit(); 121187e27ccf09f89229fb8d658e57d93458872b0b4Garrett Cooper} 122865695bbc89088b9526ea9045410e5afb70a985cplars 123b3e9e5ee189c11cc36fff206896f03fdfbec63fcWanlong Gaostatic void setup(void) 124865695bbc89088b9526ea9045410e5afb70a985cplars{ 12549e58686340a5f5f939018b8f0520ad6c04c8445Wang, Xiaoguang int fd; 126865695bbc89088b9526ea9045410e5afb70a985cplars 127865695bbc89088b9526ea9045410e5afb70a985cplars tst_sig(NOFORK, DEF_HANDLER, cleanup); 128d1e794d62b1bf619df8390535e4c2a58899b1145Cyril Hrubis tst_require_root(); 129187e27ccf09f89229fb8d658e57d93458872b0b4Garrett Cooper 13049e58686340a5f5f939018b8f0520ad6c04c8445Wang, Xiaoguang ltpuser = SAFE_GETPWNAM(cleanup, nobody_uid); 13149e58686340a5f5f939018b8f0520ad6c04c8445Wang, Xiaoguang SAFE_SETUID(cleanup, ltpuser->pw_uid); 132865695bbc89088b9526ea9045410e5afb70a985cplars TEST_PAUSE; 133865695bbc89088b9526ea9045410e5afb70a985cplars 13462b16cfc513f6d873f3ba8fa6d19d308c8500557vapier#if !defined(UCLINUX) 135d34d581c6a320e356a6cda923c7aa399479e812crobbiew bad_addr = mmap(0, 1, PROT_NONE, 136354ebb48db8e66a853a58379a4808d5dcd1ceac3Wanlong Gao MAP_PRIVATE_EXCEPT_UCLINUX | MAP_ANONYMOUS, 0, 0); 137187e27ccf09f89229fb8d658e57d93458872b0b4Garrett Cooper if (bad_addr == MAP_FAILED) 138354ebb48db8e66a853a58379a4808d5dcd1ceac3Wanlong Gao tst_brkm(TBROK | TERRNO, NULL, "mmap failed"); 13949e58686340a5f5f939018b8f0520ad6c04c8445Wang, Xiaoguang test_cases[4].pathname = bad_addr; 14049e58686340a5f5f939018b8f0520ad6c04c8445Wang, Xiaoguang 14149e58686340a5f5f939018b8f0520ad6c04c8445Wang, Xiaoguang test_cases[5].pathname = get_high_address(); 14281534c34da4dfd09031f11b787eb53bf7e7fa70cmreed#endif 1431ad845172048e19f8669f4f940296afe39c8f43eplars 144187e27ccf09f89229fb8d658e57d93458872b0b4Garrett Cooper tst_tmpdir(); 145865695bbc89088b9526ea9045410e5afb70a985cplars 14649e58686340a5f5f939018b8f0520ad6c04c8445Wang, Xiaoguang /* 14749e58686340a5f5f939018b8f0520ad6c04c8445Wang, Xiaoguang * create TEST_FILE1 to test R_OK EACCESS 14849e58686340a5f5f939018b8f0520ad6c04c8445Wang, Xiaoguang */ 14949e58686340a5f5f939018b8f0520ad6c04c8445Wang, Xiaoguang fd = SAFE_CREAT(cleanup, TEST_FILE1, 0333); 15049e58686340a5f5f939018b8f0520ad6c04c8445Wang, Xiaoguang SAFE_CLOSE(cleanup, fd); 15149e58686340a5f5f939018b8f0520ad6c04c8445Wang, Xiaoguang 15249e58686340a5f5f939018b8f0520ad6c04c8445Wang, Xiaoguang /* 15349e58686340a5f5f939018b8f0520ad6c04c8445Wang, Xiaoguang * create TEST_FILE2 to test W_OK EACCESS 15449e58686340a5f5f939018b8f0520ad6c04c8445Wang, Xiaoguang */ 15549e58686340a5f5f939018b8f0520ad6c04c8445Wang, Xiaoguang fd = SAFE_CREAT(cleanup, TEST_FILE2, 0555); 15649e58686340a5f5f939018b8f0520ad6c04c8445Wang, Xiaoguang SAFE_CLOSE(cleanup, fd); 15749e58686340a5f5f939018b8f0520ad6c04c8445Wang, Xiaoguang 15849e58686340a5f5f939018b8f0520ad6c04c8445Wang, Xiaoguang /* 15949e58686340a5f5f939018b8f0520ad6c04c8445Wang, Xiaoguang * create TEST_FILE3 to test X_OK EACCESS 16049e58686340a5f5f939018b8f0520ad6c04c8445Wang, Xiaoguang */ 16149e58686340a5f5f939018b8f0520ad6c04c8445Wang, Xiaoguang fd = SAFE_CREAT(cleanup, TEST_FILE3, 0666); 16249e58686340a5f5f939018b8f0520ad6c04c8445Wang, Xiaoguang SAFE_CLOSE(cleanup, fd); 16349e58686340a5f5f939018b8f0520ad6c04c8445Wang, Xiaoguang 16449e58686340a5f5f939018b8f0520ad6c04c8445Wang, Xiaoguang /* 16549e58686340a5f5f939018b8f0520ad6c04c8445Wang, Xiaoguang * create TEST_FILE4 to test EINVAL 16649e58686340a5f5f939018b8f0520ad6c04c8445Wang, Xiaoguang */ 16749e58686340a5f5f939018b8f0520ad6c04c8445Wang, Xiaoguang fd = SAFE_CREAT(cleanup, TEST_FILE4, 0333); 16849e58686340a5f5f939018b8f0520ad6c04c8445Wang, Xiaoguang SAFE_CLOSE(cleanup, fd); 16949e58686340a5f5f939018b8f0520ad6c04c8445Wang, Xiaoguang 17049e58686340a5f5f939018b8f0520ad6c04c8445Wang, Xiaoguang /* 17149e58686340a5f5f939018b8f0520ad6c04c8445Wang, Xiaoguang *setup to create a node with a name length exceeding 17249e58686340a5f5f939018b8f0520ad6c04c8445Wang, Xiaoguang *the MAX length of PATH_MAX. 17349e58686340a5f5f939018b8f0520ad6c04c8445Wang, Xiaoguang */ 17449e58686340a5f5f939018b8f0520ad6c04c8445Wang, Xiaoguang memset(longpathname, 'a', sizeof(longpathname) - 1); 175c7b23c28e50c77e8d4c1887c00d765f2963b2a01Wang, Xiaoguang/王 小光 176c7b23c28e50c77e8d4c1887c00d765f2963b2a01Wang, Xiaoguang/王 小光 /* create test_file5 for test ENOTDIR. */ 177c7b23c28e50c77e8d4c1887c00d765f2963b2a01Wang, Xiaoguang/王 小光 SAFE_TOUCH(cleanup, "test_file5", 0644, NULL); 178c7b23c28e50c77e8d4c1887c00d765f2963b2a01Wang, Xiaoguang/王 小光 179c7b23c28e50c77e8d4c1887c00d765f2963b2a01Wang, Xiaoguang/王 小光 /* 180c7b23c28e50c77e8d4c1887c00d765f2963b2a01Wang, Xiaoguang/王 小光 * create two symbolic links who point to each other for 181c7b23c28e50c77e8d4c1887c00d765f2963b2a01Wang, Xiaoguang/王 小光 * test ELOOP. 182c7b23c28e50c77e8d4c1887c00d765f2963b2a01Wang, Xiaoguang/王 小光 */ 183c7b23c28e50c77e8d4c1887c00d765f2963b2a01Wang, Xiaoguang/王 小光 SAFE_SYMLINK(cleanup, "test_file6", "test_file7"); 184c7b23c28e50c77e8d4c1887c00d765f2963b2a01Wang, Xiaoguang/王 小光 SAFE_SYMLINK(cleanup, "test_file7", "test_file6"); 185865695bbc89088b9526ea9045410e5afb70a985cplars} 186865695bbc89088b9526ea9045410e5afb70a985cplars 18749e58686340a5f5f939018b8f0520ad6c04c8445Wang, Xiaoguangstatic void access_verify(int i) 188865695bbc89088b9526ea9045410e5afb70a985cplars{ 18949e58686340a5f5f939018b8f0520ad6c04c8445Wang, Xiaoguang char *file_name; 19049e58686340a5f5f939018b8f0520ad6c04c8445Wang, Xiaoguang int access_mode; 191865695bbc89088b9526ea9045410e5afb70a985cplars 19249e58686340a5f5f939018b8f0520ad6c04c8445Wang, Xiaoguang file_name = test_cases[i].pathname; 19349e58686340a5f5f939018b8f0520ad6c04c8445Wang, Xiaoguang access_mode = test_cases[i].a_mode; 194865695bbc89088b9526ea9045410e5afb70a985cplars 19549e58686340a5f5f939018b8f0520ad6c04c8445Wang, Xiaoguang TEST(access(file_name, access_mode)); 196865695bbc89088b9526ea9045410e5afb70a985cplars 19749e58686340a5f5f939018b8f0520ad6c04c8445Wang, Xiaoguang if (TEST_RETURN != -1) { 19849e58686340a5f5f939018b8f0520ad6c04c8445Wang, Xiaoguang tst_resm(TFAIL, "access(%s, %#o) succeeded unexpectedly", 19949e58686340a5f5f939018b8f0520ad6c04c8445Wang, Xiaoguang file_name, access_mode); 20049e58686340a5f5f939018b8f0520ad6c04c8445Wang, Xiaoguang return; 20149e58686340a5f5f939018b8f0520ad6c04c8445Wang, Xiaoguang } 202865695bbc89088b9526ea9045410e5afb70a985cplars 20349e58686340a5f5f939018b8f0520ad6c04c8445Wang, Xiaoguang if (TEST_ERRNO == test_cases[i].exp_errno) { 20449e58686340a5f5f939018b8f0520ad6c04c8445Wang, Xiaoguang tst_resm(TPASS | TTERRNO, "access failed as expected"); 20549e58686340a5f5f939018b8f0520ad6c04c8445Wang, Xiaoguang } else { 20649e58686340a5f5f939018b8f0520ad6c04c8445Wang, Xiaoguang tst_resm(TFAIL | TTERRNO, 20749e58686340a5f5f939018b8f0520ad6c04c8445Wang, Xiaoguang "access failed unexpectedly; expected: " 20849e58686340a5f5f939018b8f0520ad6c04c8445Wang, Xiaoguang "%d - %s", test_cases[i].exp_errno, 20949e58686340a5f5f939018b8f0520ad6c04c8445Wang, Xiaoguang strerror(test_cases[i].exp_errno)); 21049e58686340a5f5f939018b8f0520ad6c04c8445Wang, Xiaoguang } 211865695bbc89088b9526ea9045410e5afb70a985cplars} 212865695bbc89088b9526ea9045410e5afb70a985cplars 213b3e9e5ee189c11cc36fff206896f03fdfbec63fcWanlong Gaostatic void cleanup(void) 214865695bbc89088b9526ea9045410e5afb70a985cplars{ 215865695bbc89088b9526ea9045410e5afb70a985cplars tst_rmdir(); 216ec6edca7aa42b6affd989ef91b5897f96795e40fChris Dearman} 217