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__FBSDID("$FreeBSD: stable/11/contrib/libarchive/libarchive/test/test_read_extract.c 358088 2020-02-19 01:50:47Z mm $"); 27 28#define BUFF_SIZE 1000000 29#define FILE_BUFF_SIZE 100000 30 31DEFINE_TEST(test_read_extract) 32{ 33 struct archive_entry *ae; 34 struct archive *a; 35 size_t used; 36 int i, numEntries = 0; 37 char *buff, *file_buff; 38 39 buff = malloc(BUFF_SIZE); 40 file_buff = malloc(FILE_BUFF_SIZE); 41 42 /* Force the umask to something predictable. */ 43 assertUmask(022); 44 45 /* Create a new archive in memory containing various types of entries. */ 46 assert((a = archive_write_new()) != NULL); 47 assertA(0 == archive_write_set_format_ustar(a)); 48 assertA(0 == archive_write_add_filter_none(a)); 49 assertA(0 == archive_write_open_memory(a, buff, BUFF_SIZE, &used)); 50 /* A directory to be restored with EXTRACT_PERM. */ 51 ++numEntries; 52 assert((ae = archive_entry_new()) != NULL); 53 archive_entry_copy_pathname(ae, "dir_0775"); 54 archive_entry_set_mode(ae, S_IFDIR | 0775); 55 assertA(0 == archive_write_header(a, ae)); 56 archive_entry_free(ae); 57 /* A regular file. */ 58 ++numEntries; 59 assert((ae = archive_entry_new()) != NULL); 60 archive_entry_copy_pathname(ae, "file"); 61 archive_entry_set_mode(ae, S_IFREG | 0755); 62 for (i = 0; i < FILE_BUFF_SIZE; i++) 63 file_buff[i] = (unsigned char)rand(); 64 archive_entry_set_size(ae, FILE_BUFF_SIZE); 65 assertA(0 == archive_write_header(a, ae)); 66 assertA(FILE_BUFF_SIZE == archive_write_data(a, file_buff, FILE_BUFF_SIZE)); 67 archive_entry_free(ae); 68 /* A directory that should obey umask when restored. */ 69 ++numEntries; 70 assert((ae = archive_entry_new()) != NULL); 71 archive_entry_copy_pathname(ae, "dir"); 72 archive_entry_set_mode(ae, S_IFDIR | 0777); 73 assertA(0 == archive_write_header(a, ae)); 74 archive_entry_free(ae); 75 /* A file in the directory. */ 76 ++numEntries; 77 assert((ae = archive_entry_new()) != NULL); 78 archive_entry_copy_pathname(ae, "dir/file"); 79 archive_entry_set_mode(ae, S_IFREG | 0700); 80 assertA(0 == archive_write_header(a, ae)); 81 archive_entry_free(ae); 82 /* A file in a dir that is not already in the archive. */ 83 ++numEntries; 84 assert((ae = archive_entry_new()) != NULL); 85 archive_entry_copy_pathname(ae, "dir2/file"); 86 archive_entry_set_mode(ae, S_IFREG | 0000); 87 assertA(0 == archive_write_header(a, ae)); 88 archive_entry_free(ae); 89 /* A dir with a trailing /. */ 90 ++numEntries; 91 assert((ae = archive_entry_new()) != NULL); 92 archive_entry_copy_pathname(ae, "dir3/."); 93 archive_entry_set_mode(ae, S_IFDIR | 0710); 94 assertA(0 == archive_write_header(a, ae)); 95 archive_entry_free(ae); 96 /* Multiple dirs with a single entry. */ 97 ++numEntries; 98 assert((ae = archive_entry_new()) != NULL); 99 archive_entry_copy_pathname(ae, "dir4/a/../b/../c/"); 100 archive_entry_set_mode(ae, S_IFDIR | 0711); 101 assertA(0 == archive_write_header(a, ae)); 102 archive_entry_free(ae); 103 /* A symlink. */ 104 if (canSymlink()) { 105 ++numEntries; 106 assert((ae = archive_entry_new()) != NULL); 107 archive_entry_copy_pathname(ae, "symlink"); 108 archive_entry_set_mode(ae, AE_IFLNK | 0755); 109 archive_entry_set_symlink(ae, "file"); 110 assertA(0 == archive_write_header(a, ae)); 111 archive_entry_free(ae); 112 } 113 /* Close out the archive. */ 114 assertEqualIntA(a, ARCHIVE_OK, archive_write_close(a)); 115 assertEqualInt(ARCHIVE_OK, archive_write_free(a)); 116 117 /* Extract the entries to disk. */ 118 assert((a = archive_read_new()) != NULL); 119 assertA(0 == archive_read_support_format_all(a)); 120 assertA(0 == archive_read_support_filter_all(a)); 121 assertA(0 == archive_read_open_memory(a, buff, BUFF_SIZE)); 122 /* Restore first entry with _EXTRACT_PERM. */ 123 failure("Error reading first entry"); 124 assertA(0 == archive_read_next_header(a, &ae)); 125 assertA(0 == archive_read_extract(a, ae, ARCHIVE_EXTRACT_PERM)); 126 /* Rest of entries get restored with no flags. */ 127 for (i = 1; i < numEntries; i++) { 128 failure("Error reading entry %d", i); 129 assertA(0 == archive_read_next_header(a, &ae)); 130 failure("Failed to extract entry %d: %s", i, 131 archive_entry_pathname(ae)); 132 assertA(0 == archive_read_extract(a, ae, 0)); 133 } 134 assertA(ARCHIVE_EOF == archive_read_next_header(a, &ae)); 135 assertEqualIntA(a, ARCHIVE_OK, archive_read_close(a)); 136 assertEqualInt(ARCHIVE_OK, archive_read_free(a)); 137 138 /* Test the entries on disk. */ 139 /* This first entry was extracted with ARCHIVE_EXTRACT_PERM, 140 * so the permissions should have been restored exactly, 141 * including resetting the gid bit on those platforms 142 * where gid is inherited by subdirs. */ 143 failure("This was 0775 in archive, and should be 0775 on disk"); 144 assertIsDir("dir_0775", 0775); 145 /* Everything else was extracted without ARCHIVE_EXTRACT_PERM, 146 * so there may be some sloppiness about gid bits on directories. */ 147 assertIsReg("file", 0755); 148 assertFileSize("file", FILE_BUFF_SIZE); 149 assertFileContents(file_buff, FILE_BUFF_SIZE, "file"); 150 /* If EXTRACT_PERM wasn't used, be careful to ignore sgid bit 151 * when checking dir modes, as some systems inherit sgid bit 152 * from the parent dir. */ 153 failure("This was 0777 in archive, but umask should make it 0755"); 154 assertIsDir("dir", 0755); 155 assertIsReg("dir/file", 0700); 156 assertIsDir("dir2", 0755); 157 assertIsReg("dir2/file", 0000); 158 assertIsDir("dir3", 0710); 159 assertIsDir("dir4", 0755); 160 assertIsDir("dir4/a", 0755); 161 assertIsDir("dir4/b", 0755); 162 assertIsDir("dir4/c", 0711); 163 if (canSymlink()) 164 assertIsSymlink("symlink", "file", 0); 165 166 free(buff); 167 free(file_buff); 168} 169