b48b40f1f8
* "compression_program" support uses an external program
* Portability: no longer uses "struct stat" as a primary
data interchange structure internally
* Part of the above: refactor archive_entry to separate
out copy_stat() and stat() functions
* More complete tests for archive_entry
* Finish archive_entry_clone()
* Isolate major()/minor()/makedev() in archive_entry; remove
these from everywhere else.
* Bug fix: properly handle decompression look-ahead at end-of-data
* Bug fixes to 'ar' support
* Fix memory leak in ZIP reader
* Portability: better timegm() emulation in iso9660 reader
* New write_disk flags to suppress auto dir creation and not
overwrite newer files (for future cpio front-end)
* Simplify trailing-'/' fixup when writing tar and pax
* Test enhancements: fix various compiler warnings, improve
portability, add lots of new tests.
* Documentation: document new functions, first draft of
libarchive_internals.3
MFC after: 14 days
Thanks to: Joerg Sonnenberger (compression_program)
Thanks to: Kai Wang (ar)
Thanks to: Colin Percival (many small fixes)
Thanks to: Many others who sent me various patches and problem reports.
185 lines
7.0 KiB
C
185 lines
7.0 KiB
C
/*-
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* Copyright (c) 2003-2007 Tim Kientzle
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "test.h"
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__FBSDID("$FreeBSD$");
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#define BUFF_SIZE 1000000
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#define FILE_BUFF_SIZE 100000
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DEFINE_TEST(test_read_extract)
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{
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struct archive_entry *ae;
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struct archive *a;
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struct stat st;
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size_t used;
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int i;
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char *buff, *file_buff;
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int fd;
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ssize_t bytes_read;
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buff = malloc(BUFF_SIZE);
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file_buff = malloc(FILE_BUFF_SIZE);
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/* Force the umask to something predictable. */
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umask(022);
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/* Create a new archive in memory containing various types of entries. */
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assert((a = archive_write_new()) != NULL);
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assertA(0 == archive_write_set_format_ustar(a));
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assertA(0 == archive_write_set_compression_none(a));
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assertA(0 == archive_write_open_memory(a, buff, BUFF_SIZE, &used));
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/* A directory to be restored with EXTRACT_PERM. */
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assert((ae = archive_entry_new()) != NULL);
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archive_entry_copy_pathname(ae, "dir_0775");
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archive_entry_set_mode(ae, S_IFDIR | 0775);
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assertA(0 == archive_write_header(a, ae));
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archive_entry_free(ae);
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/* A regular file. */
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assert((ae = archive_entry_new()) != NULL);
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archive_entry_copy_pathname(ae, "file");
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archive_entry_set_mode(ae, S_IFREG | 0755);
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for (i = 0; i < FILE_BUFF_SIZE; i++)
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file_buff[i] = (unsigned char)rand();
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archive_entry_set_size(ae, FILE_BUFF_SIZE);
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assertA(0 == archive_write_header(a, ae));
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assertA(FILE_BUFF_SIZE == archive_write_data(a, file_buff, FILE_BUFF_SIZE));
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archive_entry_free(ae);
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/* A directory that should obey umask when restored. */
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assert((ae = archive_entry_new()) != NULL);
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archive_entry_copy_pathname(ae, "dir");
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archive_entry_set_mode(ae, S_IFDIR | 0777);
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assertA(0 == archive_write_header(a, ae));
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archive_entry_free(ae);
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/* A file in the directory. */
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assert((ae = archive_entry_new()) != NULL);
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archive_entry_copy_pathname(ae, "dir/file");
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archive_entry_set_mode(ae, S_IFREG | 0700);
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assertA(0 == archive_write_header(a, ae));
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archive_entry_free(ae);
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/* A file in a dir that is not already in the archive. */
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assert((ae = archive_entry_new()) != NULL);
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archive_entry_copy_pathname(ae, "dir2/file");
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archive_entry_set_mode(ae, S_IFREG | 0000);
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assertA(0 == archive_write_header(a, ae));
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archive_entry_free(ae);
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/* A dir with a trailing /. */
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assert((ae = archive_entry_new()) != NULL);
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archive_entry_copy_pathname(ae, "dir3/.");
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archive_entry_set_mode(ae, S_IFDIR | 0710);
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assertA(0 == archive_write_header(a, ae));
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archive_entry_free(ae);
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/* Multiple dirs with a single entry. */
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assert((ae = archive_entry_new()) != NULL);
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archive_entry_copy_pathname(ae, "dir4/a/../b/../c/");
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archive_entry_set_mode(ae, S_IFDIR | 0711);
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assertA(0 == archive_write_header(a, ae));
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archive_entry_free(ae);
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/* A symlink. */
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assert((ae = archive_entry_new()) != NULL);
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archive_entry_copy_pathname(ae, "symlink");
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archive_entry_set_mode(ae, S_IFLNK | 0755);
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archive_entry_set_symlink(ae, "file");
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assertA(0 == archive_write_header(a, ae));
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archive_entry_free(ae);
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/* Close out the archive. */
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assertA(0 == archive_write_close(a));
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#if ARCHIVE_API_VERSION > 1
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assertA(0 == archive_write_finish(a));
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#else
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archive_write_finish(a);
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#endif
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/* Extract the entries to disk. */
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assert((a = archive_read_new()) != NULL);
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assertA(0 == archive_read_support_format_all(a));
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assertA(0 == archive_read_support_compression_all(a));
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assertA(0 == archive_read_open_memory(a, buff, BUFF_SIZE));
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/* Restore first entry with _EXTRACT_PERM. */
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failure("Error reading first entry", i);
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assertA(0 == archive_read_next_header(a, &ae));
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assertA(0 == archive_read_extract(a, ae, ARCHIVE_EXTRACT_PERM));
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/* Rest of entries get restored with no flags. */
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for (i = 0; i < 7; i++) {
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failure("Error reading entry %d", i+1);
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assertA(0 == archive_read_next_header(a, &ae));
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assertA(0 == archive_read_extract(a, ae, 0));
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}
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assertA(ARCHIVE_EOF == archive_read_next_header(a, &ae));
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assert(0 == archive_read_close(a));
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#if ARCHIVE_API_VERSION > 1
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assert(0 == archive_read_finish(a));
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#else
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archive_read_finish(a);
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#endif
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/* Test the entries on disk. */
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assert(0 == stat("dir_0775", &st));
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failure("This was 0775 in archive, and should be 0775 on disk");
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assert(st.st_mode == (S_IFDIR | 0775));
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assert(0 == stat("file", &st));
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failure("st.st_mode=%o should be %o", st.st_mode, S_IFREG | 0755);
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assert(st.st_mode == (S_IFREG | 0755));
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failure("The file extracted to disk is the wrong size.");
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assert(st.st_size == FILE_BUFF_SIZE);
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fd = open("file", O_RDONLY);
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failure("The file on disk could not be opened.");
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assert(fd != 0);
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bytes_read = read(fd, buff, FILE_BUFF_SIZE);
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failure("The file contents read from disk are the wrong size");
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assert(bytes_read == FILE_BUFF_SIZE);
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failure("The file contents on disk do not match the file contents that were put into the archive.");
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assert(memcmp(buff, file_buff, FILE_BUFF_SIZE) == 0);
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assert(0 == stat("dir", &st));
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failure("This was 0777 in archive, but umask should make it 0755");
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assert(st.st_mode == (S_IFDIR | 0755));
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assert(0 == stat("dir/file", &st));
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assert(st.st_mode == (S_IFREG | 0700));
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assert(0 == stat("dir2", &st));
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assert(st.st_mode == (S_IFDIR | 0755));
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assert(0 == stat("dir2/file", &st));
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assert(st.st_mode == (S_IFREG | 0000));
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assert(0 == stat("dir3", &st));
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assert(st.st_mode == (S_IFDIR | 0710));
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assert(0 == stat("dir4", &st));
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assert(st.st_mode == (S_IFDIR | 0755));
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assert(0 == stat("dir4/a", &st));
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assert(st.st_mode == (S_IFDIR | 0755));
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assert(0 == stat("dir4/b", &st));
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assert(st.st_mode == (S_IFDIR | 0755));
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assert(0 == stat("dir4/c", &st));
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assert(st.st_mode == (S_IFDIR | 0711));
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assert(0 == lstat("symlink", &st));
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assert(S_ISLNK(st.st_mode));
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#if HAVE_LCHMOD
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/* Systems that lack lchmod() can't set symlink perms, so skip this. */
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assert((st.st_mode & 07777) == 0755);
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#endif
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assert(0 == stat("symlink", &st));
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assert(st.st_mode == (S_IFREG | 0755));
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free(buff);
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free(file_buff);
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}
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