/*- * Copyright (c) 2003-2007 Tim Kientzle * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #include "test.h" __FBSDID("$FreeBSD: src/lib/libarchive/test/test_read_extract.c,v 1.5 2008/09/01 05:38:33 kientzle Exp $"); #define BUFF_SIZE 1000000 #define FILE_BUFF_SIZE 100000 DEFINE_TEST(test_read_extract) { struct archive_entry *ae; struct archive *a; struct stat st; size_t used; int i; char *buff, *file_buff; int fd; ssize_t bytes_read; buff = malloc(BUFF_SIZE); file_buff = malloc(FILE_BUFF_SIZE); /* Force the umask to something predictable. */ umask(022); /* Create a new archive in memory containing various types of entries. */ assert((a = archive_write_new()) != NULL); assertA(0 == archive_write_set_format_ustar(a)); assertA(0 == archive_write_set_compression_none(a)); assertA(0 == archive_write_open_memory(a, buff, BUFF_SIZE, &used)); /* A directory to be restored with EXTRACT_PERM. */ assert((ae = archive_entry_new()) != NULL); archive_entry_copy_pathname(ae, "dir_0775"); archive_entry_set_mode(ae, S_IFDIR | 0775); assertA(0 == archive_write_header(a, ae)); archive_entry_free(ae); /* A regular file. */ assert((ae = archive_entry_new()) != NULL); archive_entry_copy_pathname(ae, "file"); archive_entry_set_mode(ae, S_IFREG | 0755); for (i = 0; i < FILE_BUFF_SIZE; i++) file_buff[i] = (unsigned char)rand(); archive_entry_set_size(ae, FILE_BUFF_SIZE); assertA(0 == archive_write_header(a, ae)); assertA(FILE_BUFF_SIZE == archive_write_data(a, file_buff, FILE_BUFF_SIZE)); archive_entry_free(ae); /* A directory that should obey umask when restored. */ assert((ae = archive_entry_new()) != NULL); archive_entry_copy_pathname(ae, "dir"); archive_entry_set_mode(ae, S_IFDIR | 0777); assertA(0 == archive_write_header(a, ae)); archive_entry_free(ae); /* A file in the directory. */ assert((ae = archive_entry_new()) != NULL); archive_entry_copy_pathname(ae, "dir/file"); archive_entry_set_mode(ae, S_IFREG | 0700); assertA(0 == archive_write_header(a, ae)); archive_entry_free(ae); /* A file in a dir that is not already in the archive. */ assert((ae = archive_entry_new()) != NULL); archive_entry_copy_pathname(ae, "dir2/file"); archive_entry_set_mode(ae, S_IFREG | 0000); assertA(0 == archive_write_header(a, ae)); archive_entry_free(ae); /* A dir with a trailing /. */ assert((ae = archive_entry_new()) != NULL); archive_entry_copy_pathname(ae, "dir3/."); archive_entry_set_mode(ae, S_IFDIR | 0710); assertA(0 == archive_write_header(a, ae)); archive_entry_free(ae); /* Multiple dirs with a single entry. */ assert((ae = archive_entry_new()) != NULL); archive_entry_copy_pathname(ae, "dir4/a/../b/../c/"); archive_entry_set_mode(ae, S_IFDIR | 0711); assertA(0 == archive_write_header(a, ae)); archive_entry_free(ae); /* A symlink. */ assert((ae = archive_entry_new()) != NULL); archive_entry_copy_pathname(ae, "symlink"); archive_entry_set_mode(ae, S_IFLNK | 0755); archive_entry_set_symlink(ae, "file"); assertA(0 == archive_write_header(a, ae)); archive_entry_free(ae); /* Close out the archive. */ assertA(0 == archive_write_close(a)); #if ARCHIVE_VERSION_NUMBER < 2000000 archive_write_finish(a); #else assertA(0 == archive_write_finish(a)); #endif /* Extract the entries to disk. */ assert((a = archive_read_new()) != NULL); assertA(0 == archive_read_support_format_all(a)); assertA(0 == archive_read_support_compression_all(a)); assertA(0 == archive_read_open_memory(a, buff, BUFF_SIZE)); /* Restore first entry with _EXTRACT_PERM. */ failure("Error reading first entry", i); assertA(0 == archive_read_next_header(a, &ae)); assertA(0 == archive_read_extract(a, ae, ARCHIVE_EXTRACT_PERM)); /* Rest of entries get restored with no flags. */ for (i = 0; i < 7; i++) { failure("Error reading entry %d", i+1); assertA(0 == archive_read_next_header(a, &ae)); assertA(0 == archive_read_extract(a, ae, 0)); } assertA(ARCHIVE_EOF == archive_read_next_header(a, &ae)); assert(0 == archive_read_close(a)); #if ARCHIVE_VERSION_NUMBER < 2000000 archive_read_finish(a); #else assert(0 == archive_read_finish(a)); #endif /* Test the entries on disk. */ /* This first entry was extracted with ARCHIVE_EXTRACT_PERM, * so the permissions should have been restored exactly, * including resetting the gid bit on those platforms * where gid is inherited by subdirs. */ assert(0 == stat("dir_0775", &st)); failure("This was 0775 in archive, and should be 0775 on disk"); assertEqualInt(st.st_mode, S_IFDIR | 0775); /* Everything else was extracted without ARCHIVE_EXTRACT_PERM, * so there may be some sloppiness about gid bits on directories. */ assert(0 == stat("file", &st)); failure("st.st_mode=%o should be %o", st.st_mode, S_IFREG | 0755); assertEqualInt(st.st_mode, S_IFREG | 0755); failure("The file extracted to disk is the wrong size."); assert(st.st_size == FILE_BUFF_SIZE); fd = open("file", O_RDONLY); failure("The file on disk could not be opened."); assert(fd != 0); bytes_read = read(fd, buff, FILE_BUFF_SIZE); close(fd); failure("The file contents read from disk are the wrong size"); assert(bytes_read == FILE_BUFF_SIZE); failure("The file contents on disk do not match the file contents that were put into the archive."); assert(memcmp(buff, file_buff, FILE_BUFF_SIZE) == 0); assert(0 == stat("dir", &st)); failure("This was 0777 in archive, but umask should make it 0755"); /* If EXTRACT_PERM wasn't used, be careful to ignore sgid bit * when checking dir modes, as some systems inherit sgid bit * from the parent dir. */ assertEqualInt(0755, st.st_mode & 0777); assert(0 == stat("dir/file", &st)); assert(st.st_mode == (S_IFREG | 0700)); assert(0 == stat("dir2", &st)); assertEqualInt(0755, st.st_mode & 0777); assert(0 == stat("dir2/file", &st)); assert(st.st_mode == (S_IFREG | 0000)); assert(0 == stat("dir3", &st)); assertEqualInt(0710, st.st_mode & 0777); assert(0 == stat("dir4", &st)); assertEqualInt(0755, st.st_mode & 0777); assert(0 == stat("dir4/a", &st)); assertEqualInt(0755, st.st_mode & 0777); assert(0 == stat("dir4/b", &st)); assertEqualInt(0755, st.st_mode & 0777); assert(0 == stat("dir4/c", &st)); assertEqualInt(0711, st.st_mode & 0777); assert(0 == lstat("symlink", &st)); assert(S_ISLNK(st.st_mode)); #if HAVE_LCHMOD /* Systems that lack lchmod() can't set symlink perms, so skip this. */ assert((st.st_mode & 07777) == 0755); #endif assert(0 == stat("symlink", &st)); assert(st.st_mode == (S_IFREG | 0755)); free(buff); free(file_buff); }