1 /* 2 * Copyright (C) 2011 Red Hat, Inc. 3 * 4 * This program is free software; you can redistribute it and/or 5 * modify it under the terms of version 2 of the GNU General Public 6 * License as published by the Free Software Foundation. 7 * 8 * This program is distributed in the hope that it would be useful, 9 * but WITHOUT ANY WARRANTY; without even the implied warranty of 10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. 11 * 12 * Further, this software is distributed without any warranty that it 13 * is free of the rightful claim of any third person regarding 14 * infringement or the like. Any license provided herein, whether 15 * implied or otherwise, applies only to this software file. Patent 16 * licenses, if any, provided herein do not apply to combinations of 17 * this program with other software, or any other product whatsoever. 18 * 19 * You should have received a copy of the GNU General Public License 20 * along with this program; if not, write the Free Software 21 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 22 * 02110-1301, USA. 23 */ 24 25 /* 26 * In the user.* namespace, only regular files and directories can 27 * have extended attributes. Otherwise getxattr(2) will return -1 28 * and set errno to ENODATA. 29 * 30 * There are 4 test cases: 31 * 1. Get attribute from a FIFO, setxattr(2) should return -1 and 32 * set errno to ENODATA 33 * 2. Get attribute from a char special file, setxattr(2) should 34 * return -1 and set errno to ENODATA 35 * 3. Get attribute from a block special file, setxattr(2) should 36 * return -1 and set errno to ENODATA 37 * 4. Get attribute from a UNIX domain socket, setxattr(2) should 38 * return -1 and set errno to ENODATA 39 */ 40 41 #include "config.h" 42 #include <sys/types.h> 43 #include <sys/stat.h> 44 #include <sys/wait.h> 45 #include <errno.h> 46 #include <fcntl.h> 47 #include <unistd.h> 48 #include <signal.h> 49 #include <stdio.h> 50 #include <stdlib.h> 51 #include <string.h> 52 #ifdef HAVE_SYS_XATTR_H 53 # include <sys/xattr.h> 54 #endif 55 #include "test.h" 56 57 char *TCID = "getxattr02"; 58 59 #ifdef HAVE_SYS_XATTR_H 60 #define XATTR_TEST_KEY "user.testkey" 61 62 #define FIFO "getxattr02fifo" 63 #define CHR "getxattr02chr" 64 #define BLK "getxattr02blk" 65 #define SOCK "getxattr02sock" 66 67 static void setup(void); 68 static void cleanup(void); 69 70 static char *tc[] = { 71 FIFO, /* case 00, get attr from fifo */ 72 CHR, /* case 01, get attr from char special */ 73 BLK, /* case 02, get attr from block special */ 74 SOCK, /* case 03, get attr from UNIX domain socket */ 75 }; 76 77 int TST_TOTAL = sizeof(tc) / sizeof(tc[0]); 78 79 int main(int argc, char *argv[]) 80 { 81 int lc; 82 int i; 83 int exp_eno; 84 char buf[BUFSIZ]; 85 86 tst_parse_opts(argc, argv, NULL, NULL); 87 88 setup(); 89 90 for (lc = 0; TEST_LOOPING(lc); lc++) { 91 tst_count = 0; 92 93 /* 94 * Before kernel 3.0.0, getxattr(2) will set errno with 'EPERM' 95 * when the file is not a regular file and directory, refer to 96 * commitid 55b23bd 97 */ 98 if (tst_kvercmp(3, 0, 0) >= 0) 99 exp_eno = ENODATA; 100 else 101 exp_eno = EPERM; 102 103 for (i = 0; i < TST_TOTAL; i++) { 104 TEST(getxattr(tc[0], XATTR_TEST_KEY, buf, BUFSIZ)); 105 106 if (TEST_RETURN == -1 && TEST_ERRNO == exp_eno) 107 tst_resm(TPASS | TTERRNO, "expected behavior"); 108 else 109 tst_resm(TFAIL | TTERRNO, "unexpected behavior" 110 " - expected errno %d - Got", exp_eno); 111 } 112 } 113 114 cleanup(); 115 tst_exit(); 116 } 117 118 static void setup(void) 119 { 120 int fd; 121 dev_t dev; 122 123 tst_require_root(); 124 125 tst_tmpdir(); 126 127 /* Test for xattr support */ 128 fd = creat("testfile", 0644); 129 if (fd == -1) 130 tst_brkm(TBROK | TERRNO, cleanup, "Create testfile failed"); 131 close(fd); 132 if (setxattr("testfile", "user.test", "test", 4, XATTR_CREATE) == -1) 133 if (errno == ENOTSUP) 134 tst_brkm(TCONF, cleanup, "No xattr support in fs or " 135 "mount without user_xattr option"); 136 unlink("testfile"); 137 138 /* Create test files */ 139 if (mknod(FIFO, S_IFIFO | 0777, 0) == -1) 140 tst_brkm(TBROK | TERRNO, cleanup, "Create FIFO(%s) failed", 141 FIFO); 142 143 dev = makedev(1, 3); 144 if (mknod(CHR, S_IFCHR | 0777, dev) == -1) 145 tst_brkm(TBROK | TERRNO, cleanup, "Create char special(%s)" 146 " failed", CHR); 147 148 if (mknod(BLK, S_IFBLK | 0777, 0) == -1) 149 tst_brkm(TBROK | TERRNO, cleanup, "Create block special(%s)" 150 " failed", BLK); 151 152 if (mknod(SOCK, S_IFSOCK | 0777, 0) == -1) 153 tst_brkm(TBROK | TERRNO, cleanup, "Create socket(%s) failed", 154 SOCK); 155 156 TEST_PAUSE; 157 } 158 159 static void cleanup(void) 160 { 161 tst_rmdir(); 162 } 163 #else /* HAVE_SYS_XATTR_H */ 164 int main(int argc, char *argv[]) 165 { 166 tst_brkm(TCONF, NULL, "<sys/xattr.h> does not exist."); 167 } 168 #endif 169
