示例#1
1
/*
 * Verify that test_read_extract correctly works with
 * Zip entries that use length-at-end.
 */
static void
verify_extract_length_at_end(struct archive *a, int seek_checks)
{
	struct archive_entry *ae;

	assertEqualIntA(a, ARCHIVE_OK, archive_read_next_header(a, &ae));

	assertEqualInt(archive_entry_is_encrypted(ae), 0);
	assertEqualIntA(a, archive_read_has_encrypted_entries(a), 0);
	assertEqualString("hello.txt", archive_entry_pathname(ae));
	if (seek_checks) {
		assertEqualInt(AE_IFREG | 0644, archive_entry_mode(ae));
		assert(archive_entry_size_is_set(ae));
		assertEqualInt(6, archive_entry_size(ae));
	} else {
		assert(!archive_entry_size_is_set(ae));
		assertEqualInt(0, archive_entry_size(ae));
	}

	if (archive_zlib_version() != NULL) {
		assertEqualIntA(a, ARCHIVE_OK, archive_read_extract(a, ae, 0));
		assertFileContents("hello\x0A", 6, "hello.txt");
	} else {
		assertEqualIntA(a, ARCHIVE_FAILED, archive_read_extract(a, ae, 0));
		assertEqualString(archive_error_string(a),
		    "Unsupported ZIP compression method (deflation)");
		assert(archive_errno(a) != 0);
	}

	assertEqualIntA(a, ARCHIVE_OK, archive_read_close(a));
	assertEqualIntA(a, ARCHIVE_OK, archive_read_free(a));
}
示例#2
0
static void
verify_file0_stream(struct archive *a, int size_known)
{
	struct archive_entry *ae;

	assertEqualIntA(a, ARCHIVE_OK, archive_read_next_header(a, &ae));
	assertEqualString("-", archive_entry_pathname(ae));
	assertEqualInt(AE_IFREG | 0664, archive_entry_mode(ae));
	if (size_known) {
		// zip64b has the uncompressed size at the beginning,
		// plus CRC and compressed size using length-at-end.
		assert(archive_entry_size_is_set(ae));
		assertEqualInt(6, archive_entry_size(ae));
	} else {
		// zip64a does not have a size at the beginning at all.
		assert(!archive_entry_size_is_set(ae));
	}
#ifdef HAVE_ZLIB_H
	{
		char data[16];
		assertEqualIntA(a, 6, archive_read_data(a, data, 16));
		assertEqualMem(data, "file0\x0a", 6);
	}
#endif
	assertEqualIntA(a, ARCHIVE_EOF, archive_read_next_header(a, &ae));
	assertEqualIntA(a, ARCHIVE_OK, archive_read_close(a));
	assertEqualIntA(a, ARCHIVE_OK, archive_read_free(a));
}
示例#3
0
/**
 * A file with leading garbage (similar to an SFX file).
 */
static void
test_compat_zip_4(void)
{
	const char *refname = "test_compat_zip_4.zip";
	struct archive_entry *ae;
	struct archive *a;
	void *p;
	size_t s;

	extract_reference_file(refname);
	p = slurpfile(&s, refname);

	/* SFX files require seek support. */
	assert((a = archive_read_new()) != NULL);
	assertEqualIntA(a, ARCHIVE_OK, archive_read_support_filter_all(a));
	assertEqualIntA(a, ARCHIVE_OK, archive_read_support_format_all(a));
	assertEqualIntA(a, ARCHIVE_OK, read_open_memory_seek(a, p, s, 18));

	/* First entry. */
	assertEqualIntA(a, ARCHIVE_OK, archive_read_next_header(a, &ae));
	assertEqualString("foo", archive_entry_pathname(ae));
	assertEqualInt(4, archive_entry_size(ae));
	assert(archive_entry_size_is_set(ae));
	assertEqualInt(AE_IFREG, archive_entry_filetype(ae));
	assertEqualInt(0412, archive_entry_perm(ae));

	/* Second entry. */
	assertEqualIntA(a, ARCHIVE_OK, archive_read_next_header(a, &ae));
	assertEqualString("bar", archive_entry_pathname(ae));
	assertEqualInt(AE_IFREG, archive_entry_filetype(ae));
	assertEqualInt(4, archive_entry_size(ae));
	assert(archive_entry_size_is_set(ae));
	assertEqualInt(0567, archive_entry_perm(ae));

	/* Third entry. */
	assertEqualIntA(a, ARCHIVE_OK, archive_read_next_header(a, &ae));
	assertEqualString("baz", archive_entry_pathname(ae));
	assertEqualInt(AE_IFREG, archive_entry_filetype(ae));
	assertEqualInt(4, archive_entry_size(ae));
	assert(archive_entry_size_is_set(ae));
	assertEqualInt(0644, archive_entry_perm(ae));

	assertEqualIntA(a, ARCHIVE_OK, archive_read_close(a));
	assertEqualIntA(a, ARCHIVE_OK, archive_read_free(a));

	/* Try reading without seek support and watch it fail. */
	assert((a = archive_read_new()) != NULL);
	assertEqualIntA(a, ARCHIVE_OK, archive_read_support_filter_all(a));
	assertEqualIntA(a, ARCHIVE_OK, archive_read_support_format_all(a));
	assertEqualIntA(a, ARCHIVE_FATAL, read_open_memory(a, p, s, 3));
	assertEqualIntA(a, ARCHIVE_OK, archive_read_close(a));
	assertEqualIntA(a, ARCHIVE_OK, archive_read_free(a));
	free(p);
}
static int
archive_write_newc_header(struct archive_write *a, struct archive_entry *entry)
{
	const char *path;
	size_t len;

	if (archive_entry_filetype(entry) == 0) {
		archive_set_error(&a->archive, -1, "Filetype required");
		return (ARCHIVE_FAILED);
	}

	if (archive_entry_pathname_l(entry, &path, &len, get_sconv(a)) != 0
	    && errno == ENOMEM) {
		archive_set_error(&a->archive, ENOMEM,
		    "Can't allocate memory for Pathname");
		return (ARCHIVE_FATAL);
	}
	if (len == 0 || path == NULL || path[0] == '\0') {
		archive_set_error(&a->archive, -1, "Pathname required");
		return (ARCHIVE_FAILED);
	}

	if (archive_entry_hardlink(entry) == NULL
	    && (!archive_entry_size_is_set(entry) || archive_entry_size(entry) < 0)) {
		archive_set_error(&a->archive, -1, "Size required");
		return (ARCHIVE_FAILED);
	}
	return write_header(a, entry);
}
示例#5
0
int
archive_read_extract2(struct archive *_a, struct archive_entry *entry,
    struct archive *ad)
{
	struct archive_read *a = (struct archive_read *)_a;
	int r, r2;

	/* Set up for this particular entry. */
	if (a->skip_file_set)
		archive_write_disk_set_skip_file(ad,
		    a->skip_file_dev, a->skip_file_ino);
	r = archive_write_header(ad, entry);
	if (r < ARCHIVE_WARN)
		r = ARCHIVE_WARN;
	if (r != ARCHIVE_OK)
		/* If _write_header failed, copy the error. */
 		archive_copy_error(&a->archive, ad);
	else if (!archive_entry_size_is_set(entry) || archive_entry_size(entry) > 0)
		/* Otherwise, pour data into the entry. */
		r = copy_data(_a, ad);
	r2 = archive_write_finish_entry(ad);
	if (r2 < ARCHIVE_WARN)
		r2 = ARCHIVE_WARN;
	/* Use the first message. */
	if (r2 != ARCHIVE_OK && r == ARCHIVE_OK)
		archive_copy_error(&a->archive, ad);
	/* Use the worst error return. */
	if (r2 < r)
		r = r2;
	return (r);
}
示例#6
0
文件: archive.c 项目: mstorsjo/vlc
static int Control( stream_extractor_t* p_extractor, int i_query, va_list args )
{
    private_sys_t* p_sys = p_extractor->p_sys;

    switch( i_query )
    {
        case STREAM_CAN_FASTSEEK:
            *va_arg( args, bool* ) = false;
            break;

        case STREAM_CAN_SEEK:
            *va_arg( args, bool* ) = p_sys->b_seekable_source;
            break;

        case STREAM_GET_SIZE:
            if( p_sys->p_entry == NULL )
                return VLC_EGENERIC;

            if( !archive_entry_size_is_set( p_sys->p_entry ) )
                return VLC_EGENERIC;

            *va_arg( args, uint64_t* ) = archive_entry_size( p_sys->p_entry );
            break;

        default:
            return vlc_stream_vaControl( p_extractor->source, i_query, args );
    }

    return VLC_SUCCESS;
}
示例#7
0
static int reopen_archive(stream_t *s)
{
    struct priv *p = s->priv;
    mp_archive_free(p->mpa);
    p->mpa = mp_archive_new(s->log, p->src, MP_ARCHIVE_FLAG_UNSAFE);
    if (!p->mpa)
        return STREAM_ERROR;

    // Follows the same logic as demux_libarchive.c.
    struct mp_archive *mpa = p->mpa;
    while (mp_archive_next_entry(mpa)) {
        if (strcmp(p->entry_name, mpa->entry_filename) == 0) {
            locale_t oldlocale = uselocale(mpa->locale);
            p->entry_size = -1;
            if (archive_entry_size_is_set(mpa->entry))
                p->entry_size = archive_entry_size(mpa->entry);
            uselocale(oldlocale);
            return STREAM_OK;
        }
    }

    mp_archive_free(p->mpa);
    p->mpa = NULL;
    MP_ERR(s, "archive entry not found. '%s'\n", p->entry_name);
    return STREAM_ERROR;
}
示例#8
0
/*
 * Issue 185:  Test a regression that got in between 2.6 and 2.7 that
 * broke extraction of Zip entries with length-at-end.
 */
static void
test_compat_zip_3(void)
{
	const char *refname = "test_compat_zip_3.zip";
	struct archive_entry *ae;
	struct archive *a;

	extract_reference_file(refname);
	assert((a = archive_read_new()) != NULL);
	assertEqualIntA(a, ARCHIVE_OK, archive_read_support_filter_all(a));
	assertEqualIntA(a, ARCHIVE_OK, archive_read_support_format_all(a));
	assertEqualIntA(a, ARCHIVE_OK, archive_read_open_filename(a, refname, 10240));

	/* First entry. */
	assertEqualIntA(a, ARCHIVE_OK, archive_read_next_header(a, &ae));
	assertEqualString("soapui-4.0.0/", archive_entry_pathname(ae));
	assertEqualInt(0, archive_entry_size(ae));
	assert(archive_entry_size_is_set(ae));
	assertEqualInt(AE_IFDIR, archive_entry_filetype(ae));

	/* Second entry. */
	assertEqualIntA(a, ARCHIVE_OK, archive_read_next_header(a, &ae));
	assertEqualString("soapui-4.0.0/soapui-settings.xml", archive_entry_pathname(ae));
	assertEqualInt(AE_IFREG, archive_entry_filetype(ae));
	assertEqualInt(1030, archive_entry_size(ae));
	assert(archive_entry_size_is_set(ae));

	/* Extract under a different name. */
	archive_entry_set_pathname(ae, "test_3.txt");
	if(libz_enabled) {
		char *p;
		size_t s;
		assertEqualIntA(a, ARCHIVE_OK, archive_read_extract(a, ae, 0));
		/* Verify the first 12 bytes actually got written to disk correctly. */
		p = slurpfile(&s, "test_3.txt");
		assertEqualInt(s, 1030);
		assertEqualMem(p, "<?xml versio", 12);
		free(p);
	} else {
		skipping("Skipping ZIP compression check, no libz support");
	}
	assertEqualIntA(a, ARCHIVE_EOF, archive_read_next_header(a, &ae));

	assertEqualIntA(a, ARCHIVE_OK, archive_read_close(a));
	assertEqualIntA(a, ARCHIVE_OK, archive_read_free(a));
}
示例#9
0
static void extract_recovery(char *ramdisk_path)
{
    // Delete everything in the current root
    DIR *root = opendir("/");
    struct dirent *dp;
    while ((dp = readdir(root)) != NULL)
    {
        unlink(dp->d_name);
    }
    closedir(root);

    // Open the ramdisk
    struct archive *a = archive_read_new();
    archive_read_support_filter_lzma(a);
    archive_read_support_format_cpio(a);
    if (archive_read_open_filename(a, ramdisk_path, 4096) == ARCHIVE_OK)
    {
        // Set up the writer
        struct archive *ext = archive_write_disk_new();
        archive_write_disk_set_options(ext, ARCHIVE_EXTRACT_UNLINK | ARCHIVE_EXTRACT_PERM);
        chdir("/");

        while (1)
        {
            struct archive_entry *entry;

            // Read the next file
            if (archive_read_next_header(a, &entry) == ARCHIVE_EOF)
                break;

            // Create the file
            archive_write_header(ext, entry);

            // If the file has data to write...
            if (!archive_entry_size_is_set(entry) || archive_entry_size(entry) > 0)
            {
                const void *block;
                size_t size;
                int64_t offset;

                // Write the blocks until EOF
                while (1)
                {
                    if (archive_read_data_block(a, &block, &size, &offset) == ARCHIVE_EOF)
                        break;
                    archive_write_data_block(ext, block, size, offset);
                }
            }
        }

        archive_write_free(ext);
    }

    archive_read_free(a);
}
示例#10
0
文件: archive.c 项目: mstorsjo/vlc
static int Seek( stream_extractor_t* p_extractor, uint64_t i_req )
{
    private_sys_t* p_sys = p_extractor->p_sys;

    if( !p_sys->p_entry || !p_sys->b_seekable_source )
        return VLC_EGENERIC;

    if( archive_entry_size_is_set( p_sys->p_entry ) &&
        (uint64_t)archive_entry_size( p_sys->p_entry ) <= i_req )
    {
        p_sys->b_eof = true;
        return VLC_SUCCESS;
    }

    p_sys->b_eof = false;

    if( !p_sys->b_seekable_archive || p_sys->b_dead
      || archive_seek_data( p_sys->p_archive, i_req, SEEK_SET ) < 0 )
    {
        msg_Dbg( p_extractor,
            "intrinsic seek failed: '%s' (falling back to dumb seek)",
            archive_error_string( p_sys->p_archive ) );

        uint64_t i_skip = i_req - p_sys->i_offset;

        /* RECREATE LIBARCHIVE HANDLE IF WE ARE SEEKING BACKWARDS */

        if( i_req < p_sys->i_offset )
        {
            if( archive_extractor_reset( p_extractor ) )
            {
                msg_Err( p_extractor, "unable to reset libarchive handle" );
                return VLC_EGENERIC;
            }

            i_skip = i_req;
        }

        if( archive_skip_decompressed( p_extractor, i_skip ) )
            msg_Dbg( p_extractor, "failed to skip to seek position" );
    }

    p_sys->i_offset = i_req;
    return VLC_SUCCESS;
}
示例#11
0
static int ar_entry_size(lua_State *L) {
    struct archive_entry* self = *ar_entry_check(L, 1);
    int is_set;
    if ( NULL == self ) return 0;

    is_set = ( lua_gettop(L) == 2 );
    if ( archive_entry_size_is_set(self) ) {
        lua_pushnumber(L, archive_entry_size(self));
    } else {
        lua_pushnil(L);
    }
    if ( is_set ) {
        if ( lua_isnil(L, 2) ) {
            archive_entry_unset_size(self);
        } else {
            archive_entry_set_size(self, lua_tonumber(L, 2));
        }
    }
    return 1;
}
示例#12
0
/*
 * The reference file for this has been manually tweaked so that:
 *   * file2 has length-at-end but file1 does not
 *   * file2 has an invalid CRC
 */
static void
verify_basic(struct archive *a, int seek_checks)
{
	struct archive_entry *ae;
	char *buff[128];
	const void *pv;
	size_t s;
	int64_t o;

	assertEqualIntA(a, ARCHIVE_OK, archive_read_next_header(a, &ae));
        assertEqualString("ZIP 1.0 (uncompressed)", archive_format_name(a));
	assertEqualString("dir/", archive_entry_pathname(ae));
	assertEqualInt(1179604249, archive_entry_mtime(ae));
	assertEqualInt(0, archive_entry_size(ae));
	if (seek_checks)
		assertEqualInt(AE_IFDIR | 0755, archive_entry_mode(ae));
	assertEqualInt(archive_entry_is_encrypted(ae), 0);
	assertEqualIntA(a, archive_read_has_encrypted_entries(a), 0);
	assertEqualIntA(a, ARCHIVE_EOF,
	    archive_read_data_block(a, &pv, &s, &o));
	assertEqualInt((int)s, 0);

	assertEqualIntA(a, ARCHIVE_OK, archive_read_next_header(a, &ae));
        assertEqualString("ZIP 2.0 (deflation)", archive_format_name(a));
	assertEqualString("file1", archive_entry_pathname(ae));
	assertEqualInt(1179604289, archive_entry_mtime(ae));
	if (seek_checks)
		assertEqualInt(AE_IFREG | 0755, archive_entry_mode(ae));
	assertEqualInt(18, archive_entry_size(ae));
	assertEqualInt(archive_entry_is_encrypted(ae), 0);
	assertEqualIntA(a, archive_read_has_encrypted_entries(a), 0);
	failure("archive_read_data() returns number of bytes read");
	if (archive_zlib_version() != NULL) {
		assertEqualInt(18, archive_read_data(a, buff, 19));
		assertEqualMem(buff, "hello\nhello\nhello\n", 18);
	} else {
		assertEqualInt(ARCHIVE_FAILED, archive_read_data(a, buff, 19));
		assertEqualString(archive_error_string(a),
		    "Unsupported ZIP compression method (deflation)");
		assert(archive_errno(a) != 0);
	}

	assertEqualIntA(a, ARCHIVE_OK, archive_read_next_header(a, &ae));
        assertEqualString("ZIP 2.0 (deflation)", archive_format_name(a));
	assertEqualString("file2", archive_entry_pathname(ae));
	assertEqualInt(1179605932, archive_entry_mtime(ae));
	assertEqualInt(archive_entry_is_encrypted(ae), 0);
	assertEqualIntA(a, archive_read_has_encrypted_entries(a), 0);
	if (seek_checks) {
		assertEqualInt(AE_IFREG | 0755, archive_entry_mode(ae));
	}
	assert(archive_entry_size_is_set(ae));
	assertEqualInt(18, archive_entry_size(ae));
	if (archive_zlib_version() != NULL) {
		failure("file2 has a bad CRC, so read should fail and not change buff");
		memset(buff, 'a', 19);
		assertEqualInt(ARCHIVE_WARN, archive_read_data(a, buff, 19));
		assertEqualMem(buff, "aaaaaaaaaaaaaaaaaaa", 19);
	} else {
		assertEqualInt(ARCHIVE_FAILED, archive_read_data(a, buff, 19));
		assertEqualString(archive_error_string(a),
		    "Unsupported ZIP compression method (deflation)");
		assert(archive_errno(a) != 0);
	}
	assertEqualInt(ARCHIVE_EOF, archive_read_next_header(a, &ae));
        assertEqualString("ZIP 2.0 (deflation)", archive_format_name(a));
	/* Verify the number of files read. */
	failure("the archive file has three files");
	assertEqualInt(3, archive_file_count(a));
	assertEqualIntA(a, ARCHIVE_FILTER_NONE, archive_filter_code(a, 0));
	assertEqualIntA(a, ARCHIVE_FORMAT_ZIP, archive_format(a));
	assertEqualIntA(a, ARCHIVE_OK, archive_read_close(a));
	assertEqualInt(ARCHIVE_OK, archive_read_free(a));
}
示例#13
0
/**
 * Issue 152: A file generated by a tool that doesn't really
 * believe in populating local file headers at all.  This
 * is only readable with the seeking reader.
 */
static void
test_compat_zip_5(void)
{
	const char *refname = "test_compat_zip_5.zip";
	struct archive_entry *ae;
	struct archive *a;
	void *p;
	size_t s;

	extract_reference_file(refname);
	p = slurpfile(&s, refname);

	/* Verify with seek support.
	 * Everything works correctly here. */
	assert((a = archive_read_new()) != NULL);
	assertEqualIntA(a, ARCHIVE_OK, archive_read_support_filter_all(a));
	assertEqualIntA(a, ARCHIVE_OK, archive_read_support_format_all(a));
	assertEqualIntA(a, ARCHIVE_OK, read_open_memory_seek(a, p, s, 18));

	assertEqualIntA(a, ARCHIVE_OK, archive_read_next_header(a, &ae));
	assertEqualString("Metadata/Job_PT.xml", archive_entry_pathname(ae));
	assertEqualInt(3559, archive_entry_size(ae));
	assertEqualInt(AE_IFREG, archive_entry_filetype(ae));
	assertEqualInt(0666, archive_entry_perm(ae));

	assertEqualIntA(a, ARCHIVE_OK, archive_read_next_header(a, &ae));
	assertEqualString("Metadata/MXDC_Empty_PT.xml", archive_entry_pathname(ae));
	assertEqualInt(456, archive_entry_size(ae));
	assertEqualInt(AE_IFREG, archive_entry_filetype(ae));
	assertEqualInt(0666, archive_entry_perm(ae));

	assertEqualIntA(a, ARCHIVE_OK, archive_read_next_header(a, &ae));
	assertEqualString("Documents/1/Metadata/Page1_Thumbnail.JPG", archive_entry_pathname(ae));
	assertEqualInt(1495, archive_entry_size(ae));
	assertEqualInt(AE_IFREG, archive_entry_filetype(ae));
	assertEqualInt(0666, archive_entry_perm(ae));
	/* TODO: Read some of the file data and verify it.
	   The code to read uncompressed Zip entries with "file at end" semantics
	   is tricky and should be verified more carefully. */

	assertEqualIntA(a, ARCHIVE_OK, archive_read_next_header(a, &ae));
	assertEqualString("Documents/1/Pages/_rels/1.fpage.rels", archive_entry_pathname(ae));

	assertEqualIntA(a, ARCHIVE_OK, archive_read_next_header(a, &ae));
	assertEqualString("Documents/1/Pages/1.fpage", archive_entry_pathname(ae));

	assertEqualIntA(a, ARCHIVE_OK, archive_read_next_header(a, &ae));
	assertEqualString("Documents/1/Resources/Fonts/3DFDBC8B-4514-41F1-A808-DEA1C79BAC2B.odttf", archive_entry_pathname(ae));

	assertEqualIntA(a, ARCHIVE_OK, archive_read_next_header(a, &ae));
	assertEqualString("Documents/1/_rels/FixedDocument.fdoc.rels", archive_entry_pathname(ae));

	assertEqualIntA(a, ARCHIVE_OK, archive_read_next_header(a, &ae));
	assertEqualString("Documents/1/FixedDocument.fdoc", archive_entry_pathname(ae));

	assertEqualIntA(a, ARCHIVE_OK, archive_read_next_header(a, &ae));
	assertEqualString("_rels/FixedDocumentSequence.fdseq.rels", archive_entry_pathname(ae));

	assertEqualIntA(a, ARCHIVE_OK, archive_read_next_header(a, &ae));
	assertEqualString("FixedDocumentSequence.fdseq", archive_entry_pathname(ae));

	assertEqualIntA(a, ARCHIVE_OK, archive_read_next_header(a, &ae));
	assertEqualString("_rels/.rels", archive_entry_pathname(ae));

	assertEqualIntA(a, ARCHIVE_OK, archive_read_next_header(a, &ae));
	assertEqualString("[Content_Types].xml", archive_entry_pathname(ae));

	assertEqualIntA(a, ARCHIVE_EOF, archive_read_next_header(a, &ae));

	assertEqualIntA(a, ARCHIVE_OK, archive_read_close(a));
	assertEqualIntA(a, ARCHIVE_OK, archive_read_free(a));

	/* Try reading without seek support. */
	assert((a = archive_read_new()) != NULL);
	assertEqualIntA(a, ARCHIVE_OK, archive_read_support_filter_all(a));
	assertEqualIntA(a, ARCHIVE_OK, archive_read_support_format_all(a));
	assertEqualIntA(a, ARCHIVE_OK, read_open_memory(a, p, s, 3));

	assertEqualIntA(a, ARCHIVE_OK, archive_read_next_header(a, &ae));
	assertEqualString("Metadata/Job_PT.xml", archive_entry_pathname(ae));
	assertEqualInt(0, archive_entry_size(ae));
	assert(!archive_entry_size_is_set(ae));
	assertEqualInt(AE_IFREG, archive_entry_filetype(ae));
	assertEqualInt(0666, archive_entry_perm(ae));

	assertEqualIntA(a, ARCHIVE_OK, archive_read_next_header(a, &ae));
	assertEqualString("Metadata/MXDC_Empty_PT.xml", archive_entry_pathname(ae));
	assertEqualInt(0, archive_entry_size(ae));
	assert(!archive_entry_size_is_set(ae));
	assertEqualInt(AE_IFREG, archive_entry_filetype(ae));
	assertEqualInt(0666, archive_entry_perm(ae));

	assertEqualIntA(a, ARCHIVE_OK, archive_read_next_header(a, &ae));
	assertEqualString("Documents/1/Metadata/Page1_Thumbnail.JPG", archive_entry_pathname(ae));
	assertEqualInt(0, archive_entry_size(ae));
	assert(!archive_entry_size_is_set(ae));
	assertEqualInt(AE_IFREG, archive_entry_filetype(ae));
	assertEqualInt(0666, archive_entry_perm(ae));

	assertEqualIntA(a, ARCHIVE_OK, archive_read_next_header(a, &ae));
	assertEqualString("Documents/1/Pages/_rels/1.fpage.rels", archive_entry_pathname(ae));

	assertEqualIntA(a, ARCHIVE_OK, archive_read_next_header(a, &ae));
	assertEqualString("Documents/1/Pages/1.fpage", archive_entry_pathname(ae));

	assertEqualIntA(a, ARCHIVE_OK, archive_read_next_header(a, &ae));
	assertEqualString("Documents/1/Resources/Fonts/3DFDBC8B-4514-41F1-A808-DEA1C79BAC2B.odttf", archive_entry_pathname(ae));

	assertEqualIntA(a, ARCHIVE_OK, archive_read_next_header(a, &ae));
	assertEqualString("Documents/1/_rels/FixedDocument.fdoc.rels", archive_entry_pathname(ae));

	assertEqualIntA(a, ARCHIVE_OK, archive_read_next_header(a, &ae));
	assertEqualString("Documents/1/FixedDocument.fdoc", archive_entry_pathname(ae));

	assertEqualIntA(a, ARCHIVE_OK, archive_read_next_header(a, &ae));
	assertEqualString("_rels/FixedDocumentSequence.fdseq.rels", archive_entry_pathname(ae));

	assertEqualIntA(a, ARCHIVE_OK, archive_read_next_header(a, &ae));
	assertEqualString("FixedDocumentSequence.fdseq", archive_entry_pathname(ae));

	assertEqualIntA(a, ARCHIVE_OK, archive_read_next_header(a, &ae));
	assertEqualString("_rels/.rels", archive_entry_pathname(ae));

	assertEqualIntA(a, ARCHIVE_OK, archive_read_next_header(a, &ae));
	assertEqualString("[Content_Types].xml", archive_entry_pathname(ae));

	assertEqualIntA(a, ARCHIVE_EOF, archive_read_next_header(a, &ae));

	assertEqualIntA(a, ARCHIVE_OK, archive_read_close(a));
	assertEqualIntA(a, ARCHIVE_OK, archive_read_free(a));
	free(p);
}
示例#14
0
static void
mode_in(struct cpio *cpio)
{
	struct archive *a;
	struct archive_entry *entry;
	struct archive *ext;
	const char *destpath;
	int r;

	ext = archive_write_disk_new();
	if (ext == NULL)
		lafe_errc(1, 0, "Couldn't allocate restore object");
	r = archive_write_disk_set_options(ext, cpio->extract_flags);
	if (r != ARCHIVE_OK)
		lafe_errc(1, 0, "%s", archive_error_string(ext));
	a = archive_read_new();
	if (a == NULL)
		lafe_errc(1, 0, "Couldn't allocate archive object");
	archive_read_support_filter_all(a);
	archive_read_support_format_all(a);

	if (archive_read_open_filename(a, cpio->filename,
					cpio->bytes_per_block))
		lafe_errc(1, archive_errno(a),
		    "%s", archive_error_string(a));
	for (;;) {
		r = archive_read_next_header(a, &entry);
		if (r == ARCHIVE_EOF)
			break;
		if (r != ARCHIVE_OK) {
			lafe_errc(1, archive_errno(a),
			    "%s", archive_error_string(a));
		}
		if (archive_match_path_excluded(cpio->matching, entry))
			continue;
		if (cpio->option_rename) {
			destpath = cpio_rename(archive_entry_pathname(entry));
			archive_entry_set_pathname(entry, destpath);
		} else
			destpath = archive_entry_pathname(entry);
		if (destpath == NULL)
			continue;
		if (cpio->verbose)
			fprintf(stderr, "%s\n", destpath);
		if (cpio->dot)
			fprintf(stderr, ".");
		if (cpio->uid_override >= 0)
			archive_entry_set_uid(entry, cpio->uid_override);
		if (cpio->gid_override >= 0)
			archive_entry_set_gid(entry, cpio->gid_override);
		r = archive_write_header(ext, entry);
		if (r != ARCHIVE_OK) {
			fprintf(stderr, "%s: %s\n",
			    archive_entry_pathname(entry),
			    archive_error_string(ext));
		} else if (!archive_entry_size_is_set(entry)
		    || archive_entry_size(entry) > 0) {
			r = extract_data(a, ext);
			if (r != ARCHIVE_OK)
				cpio->return_value = 1;
		}
	}
	r = archive_read_close(a);
	if (cpio->dot)
		fprintf(stderr, "\n");
	if (r != ARCHIVE_OK)
		lafe_errc(1, 0, "%s", archive_error_string(a));
	r = archive_write_close(ext);
	if (r != ARCHIVE_OK)
		lafe_errc(1, 0, "%s", archive_error_string(ext));
	if (!cpio->quiet) {
		int64_t blocks = (archive_filter_bytes(a, 0) + 511)
			      / 512;
		fprintf(stderr, "%lu %s\n", (unsigned long)blocks,
		    blocks == 1 ? "block" : "blocks");
	}
	archive_read_free(a);
	archive_write_free(ext);
	exit(cpio->return_value);
}
static int
archive_write_zip_header(struct archive_write *a, struct archive_entry *entry)
{
	unsigned char local_header[32];
	unsigned char local_extra[128];
	struct zip *zip = a->format_data;
	unsigned char *e;
	unsigned char *cd_extra;
	size_t filename_length;
	const char *slink = NULL;
	size_t slink_size = 0;
	struct archive_string_conv *sconv = get_sconv(a, zip);
	int ret, ret2 = ARCHIVE_OK;
	int64_t size;
	mode_t type;
	int version_needed = 10;

	/* Ignore types of entries that we don't support. */
	type = archive_entry_filetype(entry);
	if (type != AE_IFREG && type != AE_IFDIR && type != AE_IFLNK) {
		archive_set_error(&a->archive, ARCHIVE_ERRNO_MISC,
		    "Filetype not supported");
		return ARCHIVE_FAILED;
	};

	/* If we're not using Zip64, reject large files. */
	if (zip->flags & ZIP_FLAG_AVOID_ZIP64) {
		/* Reject entries over 4GB. */
		if (archive_entry_size_is_set(entry)
		    && (archive_entry_size(entry) > 0xffffffff)) {
			archive_set_error(&a->archive, ARCHIVE_ERRNO_MISC,
			    "Files > 4GB require Zip64 extensions");
			return ARCHIVE_FAILED;
		}
		/* Reject entries if archive is > 4GB. */
		if (zip->written_bytes > 0xffffffff) {
			archive_set_error(&a->archive, ARCHIVE_ERRNO_MISC,
			    "Archives > 4GB require Zip64 extensions");
			return ARCHIVE_FAILED;
		}
	}

	/* Only regular files can have size > 0. */
	if (type != AE_IFREG)
		archive_entry_set_size(entry, 0);


	/* Reset information from last entry. */
	zip->entry_offset = zip->written_bytes;
	zip->entry_uncompressed_limit = INT64_MAX;
	zip->entry_compressed_size = 0;
	zip->entry_uncompressed_size = 0;
	zip->entry_compressed_written = 0;
	zip->entry_uncompressed_written = 0;
	zip->entry_flags = 0;
	zip->entry_uses_zip64 = 0;
	zip->entry_crc32 = zip->crc32func(0, NULL, 0);
	if (zip->entry != NULL) {
		archive_entry_free(zip->entry);
		zip->entry = NULL;
	}

#if defined(_WIN32) && !defined(__CYGWIN__)
	/* Make sure the path separators in pahtname, hardlink and symlink
	 * are all slash '/', not the Windows path separator '\'. */
	zip->entry = __la_win_entry_in_posix_pathseparator(entry);
	if (zip->entry == entry)
		zip->entry = archive_entry_clone(entry);
#else
	zip->entry = archive_entry_clone(entry);
#endif
	if (zip->entry == NULL) {
		archive_set_error(&a->archive, ENOMEM,
		    "Can't allocate zip header data");
		return (ARCHIVE_FATAL);
	}

	if (sconv != NULL) {
		const char *p;
		size_t len;

		if (archive_entry_pathname_l(entry, &p, &len, sconv) != 0) {
			if (errno == ENOMEM) {
				archive_set_error(&a->archive, ENOMEM,
				    "Can't allocate memory for Pathname");
				return (ARCHIVE_FATAL);
			}
			archive_set_error(&a->archive,
			    ARCHIVE_ERRNO_FILE_FORMAT,
			    "Can't translate Pathname '%s' to %s",
			    archive_entry_pathname(entry),
			    archive_string_conversion_charset_name(sconv));
			ret2 = ARCHIVE_WARN;
		}
		if (len > 0)
			archive_entry_set_pathname(zip->entry, p);

		/*
		 * There is no standard for symlink handling; we convert
		 * it using the same character-set translation that we use
		 * for filename.
		 */
		if (type == AE_IFLNK) {
			if (archive_entry_symlink_l(entry, &p, &len, sconv)) {
				if (errno == ENOMEM) {
					archive_set_error(&a->archive, ENOMEM,
					    "Can't allocate memory "
					    " for Symlink");
					return (ARCHIVE_FATAL);
				}
				/* No error if we can't convert. */
			} else if (len > 0)
				archive_entry_set_symlink(zip->entry, p);
		}
	}

	/* If filename isn't ASCII and we can use UTF-8, set the UTF-8 flag. */
	if (!is_all_ascii(archive_entry_pathname(zip->entry))) {
		if (zip->opt_sconv != NULL) {
			if (strcmp(archive_string_conversion_charset_name(
					zip->opt_sconv), "UTF-8") == 0)
				zip->entry_flags |= ZIP_ENTRY_FLAG_UTF8_NAME;
#if HAVE_NL_LANGINFO
		} else if (strcmp(nl_langinfo(CODESET), "UTF-8") == 0) {
			zip->entry_flags |= ZIP_ENTRY_FLAG_UTF8_NAME;
#endif
		}
	}
	filename_length = path_length(zip->entry);

	/* Determine appropriate compression and size for this entry. */
	if (type == AE_IFLNK) {
		slink = archive_entry_symlink(zip->entry);
		if (slink != NULL)
			slink_size = strlen(slink);
		else
			slink_size = 0;
		zip->entry_uncompressed_limit = slink_size;
		zip->entry_compressed_size = slink_size;
		zip->entry_uncompressed_size = slink_size;
		zip->entry_crc32 = zip->crc32func(zip->entry_crc32,
		    (const unsigned char *)slink, slink_size);
		zip->entry_compression = COMPRESSION_STORE;
		version_needed = 20;
	} else if (type != AE_IFREG) {
		zip->entry_compression = COMPRESSION_STORE;
		zip->entry_uncompressed_limit = 0;
		size = 0;
		version_needed = 20;
	} else if (archive_entry_size_is_set(zip->entry)) {
		size = archive_entry_size(zip->entry);
		zip->entry_uncompressed_limit = size;
		zip->entry_compression = zip->requested_compression;
		if (zip->entry_compression == COMPRESSION_UNSPECIFIED) {
			zip->entry_compression = COMPRESSION_DEFAULT;
		}
		if (zip->entry_compression == COMPRESSION_STORE) {
			zip->entry_compressed_size = size;
			zip->entry_uncompressed_size = size;
			version_needed = 10;
		} else {
			zip->entry_uncompressed_size = size;
			version_needed = 20;
		}
		if ((zip->flags & ZIP_FLAG_FORCE_ZIP64) /* User asked. */
		    || (zip->entry_uncompressed_size > ARCHIVE_LITERAL_LL(0xffffffff))) { /* Large entry. */
			zip->entry_uses_zip64 = 1;
			version_needed = 45;
		}

		/* We may know the size, but never the CRC. */
		zip->entry_flags |= ZIP_ENTRY_FLAG_LENGTH_AT_END;
	} else {
		/* Prefer deflate if it's available, because deflate
		 * has a clear end-of-data marker that makes
		 * length-at-end more reliable. */
		zip->entry_compression = COMPRESSION_DEFAULT;
		zip->entry_flags |= ZIP_ENTRY_FLAG_LENGTH_AT_END;
		if ((zip->flags & ZIP_FLAG_AVOID_ZIP64) == 0) {
			zip->entry_uses_zip64 = 1;
			version_needed = 45;
		} else if (zip->entry_compression == COMPRESSION_STORE) {
			version_needed = 10;
		} else {
			version_needed = 20;
		}
	}

	/* Format the local header. */
	memset(local_header, 0, sizeof(local_header));
	memcpy(local_header, "PK\003\004", 4);
	archive_le16enc(local_header + 4, version_needed);
	archive_le16enc(local_header + 6, zip->entry_flags);
	archive_le16enc(local_header + 8, zip->entry_compression);
	archive_le32enc(local_header + 10, dos_time(archive_entry_mtime(zip->entry)));
	archive_le32enc(local_header + 14, zip->entry_crc32);
	if (zip->entry_uses_zip64) {
		/* Zip64 data in the local header "must" include both
		 * compressed and uncompressed sizes AND those fields
		 * are included only if these are 0xffffffff;
		 * THEREFORE these must be set this way, even if we
		 * know one of them is smaller. */
		archive_le32enc(local_header + 18, ARCHIVE_LITERAL_LL(0xffffffff));
		archive_le32enc(local_header + 22, ARCHIVE_LITERAL_LL(0xffffffff));
	} else {
		archive_le32enc(local_header + 18, zip->entry_compressed_size);
		archive_le32enc(local_header + 22, zip->entry_uncompressed_size);
	}
	archive_le16enc(local_header + 26, filename_length);

	/* Format as much of central directory file header as we can: */
	zip->file_header = cd_alloc(zip, 46);
	/* If (zip->file_header == NULL) XXXX */
	++zip->central_directory_entries;
	memset(zip->file_header, 0, 46);
	memcpy(zip->file_header, "PK\001\002", 4);
	/* "Made by PKZip 2.0 on Unix." */
	archive_le16enc(zip->file_header + 4, 3 * 256 + version_needed);
	archive_le16enc(zip->file_header + 6, version_needed);
	archive_le16enc(zip->file_header + 8, zip->entry_flags);
	archive_le16enc(zip->file_header + 10, zip->entry_compression);
	archive_le32enc(zip->file_header + 12, dos_time(archive_entry_mtime(zip->entry)));
	archive_le16enc(zip->file_header + 28, filename_length);
	/* Following Info-Zip, store mode in the "external attributes" field. */
	archive_le32enc(zip->file_header + 38,
	    ((uint32_t)archive_entry_mode(zip->entry)) << 16);
	e = cd_alloc(zip, filename_length);
	/* If (e == NULL) XXXX */
	copy_path(zip->entry, e);

	/* Format extra data. */
	memset(local_extra, 0, sizeof(local_extra));
	e = local_extra;

	/* First, extra blocks that are the same between
	 * the local file header and the central directory.
	 * We format them once and then duplicate them. */

	/* UT timestamp, length depends on what timestamps are set. */
	memcpy(e, "UT", 2);
	archive_le16enc(e + 2,
	    1
	    + (archive_entry_mtime_is_set(entry) ? 4 : 0)
	    + (archive_entry_atime_is_set(entry) ? 4 : 0)
	    + (archive_entry_ctime_is_set(entry) ? 4 : 0));
	e += 4;
	*e++ =
	    (archive_entry_mtime_is_set(entry) ? 1 : 0)
	    | (archive_entry_atime_is_set(entry) ? 2 : 0)
	    | (archive_entry_ctime_is_set(entry) ? 4 : 0);
	if (archive_entry_mtime_is_set(entry)) {
		archive_le32enc(e, (uint32_t)archive_entry_mtime(entry));
		e += 4;
	}
	if (archive_entry_atime_is_set(entry)) {
		archive_le32enc(e, (uint32_t)archive_entry_atime(entry));
		e += 4;
	}
	if (archive_entry_ctime_is_set(entry)) {
		archive_le32enc(e, (uint32_t)archive_entry_ctime(entry));
		e += 4;
	}

	/* ux Unix extra data, length 11, version 1 */
	/* TODO: If uid < 64k, use 2 bytes, ditto for gid. */
	memcpy(e, "ux\013\000\001", 5);
	e += 5;
	*e++ = 4; /* Length of following UID */
	archive_le32enc(e, (uint32_t)archive_entry_uid(entry));
	e += 4;
	*e++ = 4; /* Length of following GID */
	archive_le32enc(e, (uint32_t)archive_entry_gid(entry));
	e += 4;

	/* Copy UT and ux into central directory as well. */
	zip->file_header_extra_offset = zip->central_directory_bytes;
	cd_extra = cd_alloc(zip, e - local_extra);
	memcpy(cd_extra, local_extra, e - local_extra);

	/*
	 * Following extra blocks vary between local header and
	 * central directory. These are the local header versions.
	 * Central directory versions get formatted in
	 * archive_write_zip_finish_entry() below.
	 */

	/* "[Zip64 entry] in the local header MUST include BOTH
	 * original [uncompressed] and compressed size fields." */
	if (zip->entry_uses_zip64) {
		unsigned char *zip64_start = e;
		memcpy(e, "\001\000\020\000", 4);
		e += 4;
		archive_le64enc(e, zip->entry_uncompressed_size);
		e += 8;
		archive_le64enc(e, zip->entry_compressed_size);
		e += 8;
		archive_le16enc(zip64_start + 2, e - (zip64_start + 4));
	}

	if (zip->flags & ZIP_FLAG_EXPERIMENT_EL) {
		/* Experimental 'el' extension to improve streaming. */
		unsigned char *external_info = e;
		int included = 7;
		memcpy(e, "el\000\000", 4); // 0x6c65 + 2-byte length
		e += 4;
		e[0] = included; /* bitmap of included fields */
		e += 1;
		if (included & 1) {
			archive_le16enc(e, /* "Version created by" */
			    3 * 256 + version_needed);
			e += 2;
		}
		if (included & 2) {
			archive_le16enc(e, 0); /* internal file attributes */
			e += 2;
		}
		if (included & 4) {
			archive_le32enc(e,  /* external file attributes */
			    ((uint32_t)archive_entry_mode(zip->entry)) << 16);
			e += 4;
		}
		if (included & 8) {
			// Libarchive does not currently support file comments.
		}
		archive_le16enc(external_info + 2, e - (external_info + 4));
	}

	/* Update local header with size of extra data and write it all out: */
	archive_le16enc(local_header + 28, e - local_extra);

	ret = __archive_write_output(a, local_header, 30);
	if (ret != ARCHIVE_OK)
		return (ARCHIVE_FATAL);
	zip->written_bytes += 30;

	ret = write_path(zip->entry, a);
	if (ret <= ARCHIVE_OK)
		return (ARCHIVE_FATAL);
	zip->written_bytes += ret;

	ret = __archive_write_output(a, local_extra, e - local_extra);
	if (ret != ARCHIVE_OK)
		return (ARCHIVE_FATAL);
	zip->written_bytes += e - local_extra;

	/* For symlinks, write the body now. */
	if (slink != NULL) {
		ret = __archive_write_output(a, slink, slink_size);
		if (ret != ARCHIVE_OK)
			return (ARCHIVE_FATAL);
		zip->entry_compressed_written += slink_size;
		zip->entry_uncompressed_written += slink_size;
		zip->written_bytes += slink_size;
	}

#ifdef HAVE_ZLIB_H
	if (zip->entry_compression == COMPRESSION_DEFLATE) {
		zip->stream.zalloc = Z_NULL;
		zip->stream.zfree = Z_NULL;
		zip->stream.opaque = Z_NULL;
		zip->stream.next_out = zip->buf;
		zip->stream.avail_out = (uInt)zip->len_buf;
		if (deflateInit2(&zip->stream, Z_DEFAULT_COMPRESSION,
		    Z_DEFLATED, -15, 8, Z_DEFAULT_STRATEGY) != Z_OK) {
			archive_set_error(&a->archive, ENOMEM,
			    "Can't init deflate compressor");
			return (ARCHIVE_FATAL);
		}
	}
#endif

	return (ret2);
}