1 /*- 2 * Copyright (c) 2003-2009 Tim Kientzle 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) ``AS IS'' AND ANY EXPRESS OR 15 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 16 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 17 * IN NO EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY DIRECT, INDIRECT, 18 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 19 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 20 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 21 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 23 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 24 */ 25 #include "test.h" 26 __FBSDID("$FreeBSD$"); 27 28 #if defined(__FreeBSD__) && __FreeBSD__ > 4 29 #include <sys/extattr.h> 30 #endif 31 32 /* 33 * Verify extended attribute restore-to-disk. This test is FreeBSD-specific. 34 */ 35 36 DEFINE_TEST(test_extattr_freebsd) 37 { 38 #if !defined(__FreeBSD__) 39 skipping("FreeBSD-specific extattr restore test"); 40 #elif __FreeBSD__ < 5 41 skipping("extattr restore supported only on FreeBSD 5.0 and later"); 42 #else 43 char buff[64]; 44 const char *xname; 45 const void *xval; 46 size_t xsize; 47 struct stat st; 48 struct archive *a; 49 struct archive_entry *ae; 50 int n, fd; 51 int extattr_privilege_bug = 0; 52 53 /* 54 * First, do a quick manual set/read of an extended attribute 55 * to verify that the local filesystem does support it. If it 56 * doesn't, we'll simply skip the remaining tests. 57 */ 58 /* Create a test file and try to set an ACL on it. */ 59 fd = open("pretest", O_RDWR | O_CREAT, 0777); 60 failure("Could not create test file?!"); 61 if (!assert(fd >= 0)) 62 return; 63 64 errno = 0; 65 n = extattr_set_fd(fd, EXTATTR_NAMESPACE_USER, "testattr", "1234", 4); 66 if (n != 4 && errno == EOPNOTSUPP) { 67 close(fd); 68 skipping("extattr tests require that extattr support be enabled on the filesystem"); 69 return; 70 } 71 failure("extattr_set_fd(): errno=%d (%s)", errno, strerror(errno)); 72 assertEqualInt(4, n); 73 close(fd); 74 75 /* 76 * Repeat the above, but with file permissions set to 0000. 77 * This should work (extattr_set_fd() should follow fd 78 * permissions, not file permissions), but is known broken on 79 * some versions of FreeBSD. 80 */ 81 fd = open("pretest2", O_RDWR | O_CREAT, 00000); 82 failure("Could not create test file?!"); 83 if (!assert(fd >= 0)) 84 return; 85 86 n = extattr_set_fd(fd, EXTATTR_NAMESPACE_USER, "testattr", "1234", 4); 87 if (n != 4) { 88 skipping("Restoring xattr to an unwritable file seems to be broken on this platform"); 89 extattr_privilege_bug = 1; 90 } 91 close(fd); 92 93 /* Create a write-to-disk object. */ 94 assert(NULL != (a = archive_write_disk_new())); 95 archive_write_disk_set_options(a, 96 ARCHIVE_EXTRACT_TIME | ARCHIVE_EXTRACT_PERM | ARCHIVE_EXTRACT_XATTR); 97 98 /* Populate an archive entry with an extended attribute. */ 99 ae = archive_entry_new(); 100 assert(ae != NULL); 101 archive_entry_set_pathname(ae, "test0"); 102 archive_entry_set_mtime(ae, 123456, 7890); 103 archive_entry_set_size(ae, 0); 104 archive_entry_set_mode(ae, 0755); 105 archive_entry_xattr_add_entry(ae, "user.foo", "12345", 5); 106 assertEqualIntA(a, ARCHIVE_OK, archive_write_header(a, ae)); 107 assertEqualIntA(a, ARCHIVE_OK, archive_write_finish_entry(a)); 108 archive_entry_free(ae); 109 110 /* Another entry; similar but with mode = 0. */ 111 ae = archive_entry_new(); 112 assert(ae != NULL); 113 archive_entry_set_pathname(ae, "test1"); 114 archive_entry_set_mtime(ae, 12345678, 7890); 115 archive_entry_set_size(ae, 0); 116 archive_entry_set_mode(ae, 0); 117 archive_entry_xattr_add_entry(ae, "user.bar", "123456", 6); 118 assertEqualIntA(a, ARCHIVE_OK, archive_write_header(a, ae)); 119 archive_entry_free(ae); 120 121 /* Close the archive. */ 122 if (extattr_privilege_bug) 123 /* If the bug is here, write_close will return warning. */ 124 assertEqualIntA(a, ARCHIVE_WARN, archive_write_close(a)); 125 else 126 assertEqualIntA(a, ARCHIVE_OK, archive_write_close(a)); 127 assertEqualInt(ARCHIVE_OK, archive_write_free(a)); 128 129 /* Verify the data on disk. */ 130 assertEqualInt(0, stat("test0", &st)); 131 assertEqualInt(st.st_mtime, 123456); 132 /* Verify extattr */ 133 n = extattr_get_file("test0", EXTATTR_NAMESPACE_USER, 134 "foo", buff, sizeof(buff)); 135 if (assertEqualInt(n, 5)) { 136 buff[n] = '\0'; 137 assertEqualString(buff, "12345"); 138 } 139 140 /* Verify the data on disk. */ 141 assertEqualInt(0, stat("test1", &st)); 142 assertEqualInt(st.st_mtime, 12345678); 143 /* Verify extattr */ 144 n = extattr_get_file("test1", EXTATTR_NAMESPACE_USER, 145 "bar", buff, sizeof(buff)); 146 if (extattr_privilege_bug) { 147 /* If we have the bug, the extattr won't have been written. */ 148 assertEqualInt(n, -1); 149 } else { 150 if (assertEqualInt(n, 6)) { 151 buff[n] = '\0'; 152 assertEqualString(buff, "123456"); 153 } 154 } 155 156 /* Use libarchive APIs to read the file back into an entry and 157 * verify that the extattr was read correctly. */ 158 assert((a = archive_read_disk_new()) != NULL); 159 assert((ae = archive_entry_new()) != NULL); 160 archive_entry_set_pathname(ae, "test0"); 161 assertEqualInt(ARCHIVE_OK, 162 archive_read_disk_entry_from_file(a, ae, -1, NULL)); 163 assertEqualInt(1, archive_entry_xattr_reset(ae)); 164 assertEqualInt(ARCHIVE_OK, 165 archive_entry_xattr_next(ae, &xname, &xval, &xsize)); 166 assertEqualString(xname, "user.foo"); 167 assertEqualInt(xsize, 5); 168 assertEqualMem(xval, "12345", xsize); 169 assertEqualIntA(a, ARCHIVE_OK, archive_read_close(a)); 170 assertEqualInt(ARCHIVE_OK, archive_read_free(a)); 171 archive_entry_free(ae); 172 #endif 173 } 174