1 /*- 2 * Copyright (c) 2003-2007 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 27 #define BUFF_SIZE 1000000 28 #define FILE_BUFF_SIZE 100000 29 30 DEFINE_TEST(test_read_extract) 31 { 32 struct archive_entry *ae; 33 struct archive *a; 34 size_t used; 35 int i, numEntries = 0; 36 char *buff, *file_buff; 37 38 buff = malloc(BUFF_SIZE); 39 file_buff = malloc(FILE_BUFF_SIZE); 40 41 /* Force the umask to something predictable. */ 42 assertUmask(022); 43 44 /* Create a new archive in memory containing various types of entries. */ 45 assert((a = archive_write_new()) != NULL); 46 assertA(0 == archive_write_set_format_ustar(a)); 47 assertA(0 == archive_write_add_filter_none(a)); 48 assertA(0 == archive_write_open_memory(a, buff, BUFF_SIZE, &used)); 49 /* A directory to be restored with EXTRACT_PERM. */ 50 ++numEntries; 51 assert((ae = archive_entry_new()) != NULL); 52 archive_entry_copy_pathname(ae, "dir_0775"); 53 archive_entry_set_mode(ae, S_IFDIR | 0775); 54 assertA(0 == archive_write_header(a, ae)); 55 archive_entry_free(ae); 56 /* A regular file. */ 57 ++numEntries; 58 assert((ae = archive_entry_new()) != NULL); 59 archive_entry_copy_pathname(ae, "file"); 60 archive_entry_set_mode(ae, S_IFREG | 0755); 61 fill_with_pseudorandom_data(file_buff, FILE_BUFF_SIZE); 62 archive_entry_set_size(ae, FILE_BUFF_SIZE); 63 assertA(0 == archive_write_header(a, ae)); 64 assertA(FILE_BUFF_SIZE == archive_write_data(a, file_buff, FILE_BUFF_SIZE)); 65 archive_entry_free(ae); 66 /* A directory that should obey umask when restored. */ 67 ++numEntries; 68 assert((ae = archive_entry_new()) != NULL); 69 archive_entry_copy_pathname(ae, "dir"); 70 archive_entry_set_mode(ae, S_IFDIR | 0777); 71 assertA(0 == archive_write_header(a, ae)); 72 archive_entry_free(ae); 73 /* A file in the directory. */ 74 ++numEntries; 75 assert((ae = archive_entry_new()) != NULL); 76 archive_entry_copy_pathname(ae, "dir/file"); 77 archive_entry_set_mode(ae, S_IFREG | 0700); 78 assertA(0 == archive_write_header(a, ae)); 79 archive_entry_free(ae); 80 /* A file in a dir that is not already in the archive. */ 81 ++numEntries; 82 assert((ae = archive_entry_new()) != NULL); 83 archive_entry_copy_pathname(ae, "dir2/file"); 84 archive_entry_set_mode(ae, S_IFREG | 0000); 85 assertA(0 == archive_write_header(a, ae)); 86 archive_entry_free(ae); 87 /* A dir with a trailing /. */ 88 ++numEntries; 89 assert((ae = archive_entry_new()) != NULL); 90 archive_entry_copy_pathname(ae, "dir3/."); 91 archive_entry_set_mode(ae, S_IFDIR | 0710); 92 assertA(0 == archive_write_header(a, ae)); 93 archive_entry_free(ae); 94 /* Multiple dirs with a single entry. */ 95 ++numEntries; 96 assert((ae = archive_entry_new()) != NULL); 97 archive_entry_copy_pathname(ae, "dir4/a/../b/../c/"); 98 archive_entry_set_mode(ae, S_IFDIR | 0711); 99 assertA(0 == archive_write_header(a, ae)); 100 archive_entry_free(ae); 101 /* A symlink. */ 102 if (canSymlink()) { 103 ++numEntries; 104 assert((ae = archive_entry_new()) != NULL); 105 archive_entry_copy_pathname(ae, "symlink"); 106 archive_entry_set_mode(ae, AE_IFLNK | 0755); 107 archive_entry_set_symlink(ae, "file"); 108 assertA(0 == archive_write_header(a, ae)); 109 archive_entry_free(ae); 110 } 111 /* Close out the archive. */ 112 assertEqualIntA(a, ARCHIVE_OK, archive_write_close(a)); 113 assertEqualInt(ARCHIVE_OK, archive_write_free(a)); 114 115 /* Extract the entries to disk. */ 116 assert((a = archive_read_new()) != NULL); 117 assertA(0 == archive_read_support_format_all(a)); 118 assertA(0 == archive_read_support_filter_all(a)); 119 assertA(0 == archive_read_open_memory(a, buff, BUFF_SIZE)); 120 /* Restore first entry with _EXTRACT_PERM. */ 121 failure("Error reading first entry"); 122 assertA(0 == archive_read_next_header(a, &ae)); 123 assertA(0 == archive_read_extract(a, ae, ARCHIVE_EXTRACT_PERM)); 124 /* Rest of entries get restored with no flags. */ 125 for (i = 1; i < numEntries; i++) { 126 failure("Error reading entry %d", i); 127 assertA(0 == archive_read_next_header(a, &ae)); 128 failure("Failed to extract entry %d: %s", i, 129 archive_entry_pathname(ae)); 130 assertA(0 == archive_read_extract(a, ae, 0)); 131 } 132 assertA(ARCHIVE_EOF == archive_read_next_header(a, &ae)); 133 assertEqualIntA(a, ARCHIVE_OK, archive_read_close(a)); 134 assertEqualInt(ARCHIVE_OK, archive_read_free(a)); 135 136 /* Test the entries on disk. */ 137 /* This first entry was extracted with ARCHIVE_EXTRACT_PERM, 138 * so the permissions should have been restored exactly, 139 * including resetting the gid bit on those platforms 140 * where gid is inherited by subdirs. */ 141 failure("This was 0775 in archive, and should be 0775 on disk"); 142 assertIsDir("dir_0775", 0775); 143 /* Everything else was extracted without ARCHIVE_EXTRACT_PERM, 144 * so there may be some sloppiness about gid bits on directories. */ 145 assertIsReg("file", 0755); 146 assertFileSize("file", FILE_BUFF_SIZE); 147 assertFileContents(file_buff, FILE_BUFF_SIZE, "file"); 148 /* If EXTRACT_PERM wasn't used, be careful to ignore sgid bit 149 * when checking dir modes, as some systems inherit sgid bit 150 * from the parent dir. */ 151 failure("This was 0777 in archive, but umask should make it 0755"); 152 assertIsDir("dir", 0755); 153 assertIsReg("dir/file", 0700); 154 assertIsDir("dir2", 0755); 155 assertIsReg("dir2/file", 0000); 156 assertIsDir("dir3", 0710); 157 assertIsDir("dir4", 0755); 158 assertIsDir("dir4/a", 0755); 159 assertIsDir("dir4/b", 0755); 160 assertIsDir("dir4/c", 0711); 161 if (canSymlink()) 162 assertIsSymlink("symlink", "file", 0); 163 164 free(buff); 165 free(file_buff); 166 } 167