static int ar_entry_atime(lua_State *L) {
struct archive_entry* self = *ar_entry_check(L, 1);
int is_set;
int num_results;
if ( NULL == self ) return 0;
is_set = ( lua_gettop(L) >= 2 );
num_results = 0;
if ( archive_entry_atime_is_set(self) ) {
num_results = 2;
lua_pushnumber(L, archive_entry_atime(self));
lua_pushnumber(L, archive_entry_atime_nsec(self));
}
if ( is_set ) {
if ( lua_isnil(L, 2) ) {
archive_entry_unset_atime(self);
} else if ( lua_istable(L, 2) ) {
lua_rawgeti(L, 2, 1);
lua_rawgeti(L, 2, 2);
archive_entry_set_atime(self,
lua_tonumber(L, -2),
lua_tonumber(L, -1));
} else {
archive_entry_set_atime(self,
lua_tonumber(L, 2),
lua_tonumber(L, 3));
}
}
return num_results;
}
static int
restore_time(struct cpio *cpio, struct archive_entry *entry,
const char *name, int fd)
{
#ifndef HAVE_UTIMES
static int warned = 0;
(void)cpio; /* UNUSED */
(void)entry; /* UNUSED */
(void)name; /* UNUSED */
if (!warned)
lafe_warnc(0, "Can't restore access times on this platform");
warned = 1;
return (fd);
#else
#if defined(_WIN32) && !defined(__CYGWIN__)
struct __timeval times[2];
#else
struct timeval times[2];
#endif
if (!cpio->option_atime_restore)
return (fd);
times[1].tv_sec = archive_entry_mtime(entry);
times[1].tv_usec = archive_entry_mtime_nsec(entry) / 1000;
times[0].tv_sec = archive_entry_atime(entry);
times[0].tv_usec = archive_entry_atime_nsec(entry) / 1000;
#if defined(HAVE_FUTIMES) && !defined(__CYGWIN__)
if (fd >= 0 && futimes(fd, times) == 0)
return (fd);
#endif
/*
* Some platform cannot restore access times if the file descriptor
* is still opened.
*/
if (fd >= 0) {
close(fd);
fd = -1;
}
#ifdef HAVE_LUTIMES
if (lutimes(name, times) != 0)
#else
if ((AE_IFLNK != archive_entry_filetype(entry))
&& utimes(name, times) != 0)
#endif
lafe_warnc(errno, "Can't update time for %s", name);
#endif
return (fd);
}
const struct stat *
archive_entry_stat(struct archive_entry *entry)
{
struct stat *st;
if (entry->stat == NULL) {
entry->stat = calloc(1, sizeof(*st));
if (entry->stat == NULL)
return (NULL);
entry->stat_valid = 0;
}
/*
* If none of the underlying fields have been changed, we
* don't need to regenerate. In theory, we could use a bitmap
* here to flag only those items that have changed, but the
* extra complexity probably isn't worth it. It will be very
* rare for anyone to change just one field then request a new
* stat structure.
*/
if (entry->stat_valid)
return (entry->stat);
st = entry->stat;
/*
* Use the public interfaces to extract items, so that
* the appropriate conversions get invoked.
*/
st->st_atime = archive_entry_atime(entry);
#if HAVE_STRUCT_STAT_ST_BIRTHTIME
st->st_birthtime = archive_entry_birthtime(entry);
#endif
st->st_ctime = archive_entry_ctime(entry);
st->st_mtime = archive_entry_mtime(entry);
st->st_dev = archive_entry_dev(entry);
st->st_gid = archive_entry_gid(entry);
st->st_uid = archive_entry_uid(entry);
st->st_ino = archive_entry_ino64(entry);
st->st_nlink = archive_entry_nlink(entry);
st->st_rdev = archive_entry_rdev(entry);
st->st_size = archive_entry_size(entry);
st->st_mode = archive_entry_mode(entry);
/*
* On systems that support high-res timestamps, copy that
* information into struct stat.
*/
#if HAVE_STRUCT_STAT_ST_MTIMESPEC_TV_NSEC
st->st_atimespec.tv_nsec = archive_entry_atime_nsec(entry);
st->st_ctimespec.tv_nsec = archive_entry_ctime_nsec(entry);
st->st_mtimespec.tv_nsec = archive_entry_mtime_nsec(entry);
#elif HAVE_STRUCT_STAT_ST_MTIM_TV_NSEC
st->st_atim.tv_nsec = archive_entry_atime_nsec(entry);
st->st_ctim.tv_nsec = archive_entry_ctime_nsec(entry);
st->st_mtim.tv_nsec = archive_entry_mtime_nsec(entry);
#elif HAVE_STRUCT_STAT_ST_MTIME_N
st->st_atime_n = archive_entry_atime_nsec(entry);
st->st_ctime_n = archive_entry_ctime_nsec(entry);
st->st_mtime_n = archive_entry_mtime_nsec(entry);
#elif HAVE_STRUCT_STAT_ST_UMTIME
st->st_uatime = archive_entry_atime_nsec(entry) / 1000;
st->st_uctime = archive_entry_ctime_nsec(entry) / 1000;
st->st_umtime = archive_entry_mtime_nsec(entry) / 1000;
#elif HAVE_STRUCT_STAT_ST_MTIME_USEC
st->st_atime_usec = archive_entry_atime_nsec(entry) / 1000;
st->st_ctime_usec = archive_entry_ctime_nsec(entry) / 1000;
st->st_mtime_usec = archive_entry_mtime_nsec(entry) / 1000;
#endif
#if HAVE_STRUCT_STAT_ST_BIRTHTIMESPEC_TV_NSEC
st->st_birthtimespec.tv_nsec = archive_entry_birthtime_nsec(entry);
#endif
/*
* TODO: On Linux, store 32 or 64 here depending on whether
* the cached stat structure is a stat32 or a stat64. This
* will allow us to support both variants interchangeably.
*/
entry->stat_valid = 1;
return (st);
}
/*
* Test writing an empty file.
*/
static void
test_only_empty_file(void)
{
struct archive *a;
struct archive_entry *ae;
size_t buffsize = 1000;
char *buff;
size_t used;
buff = malloc(buffsize);
/* Create a new archive in memory. */
assert((a = archive_write_new()) != NULL);
assertEqualIntA(a, ARCHIVE_OK, archive_write_set_format_7zip(a));
assertEqualIntA(a, ARCHIVE_OK, archive_write_add_filter_none(a));
assertEqualIntA(a, ARCHIVE_OK,
archive_write_open_memory(a, buff, buffsize, &used));
/*
* Write an empty file to it.
*/
assert((ae = archive_entry_new()) != NULL);
archive_entry_set_mtime(ae, 1, 10);
assertEqualInt(1, archive_entry_mtime(ae));
assertEqualInt(10, archive_entry_mtime_nsec(ae));
archive_entry_set_atime(ae, 2, 20);
assertEqualInt(2, archive_entry_atime(ae));
assertEqualInt(20, archive_entry_atime_nsec(ae));
archive_entry_set_ctime(ae, 0, 100);
assertEqualInt(0, archive_entry_ctime(ae));
assertEqualInt(100, archive_entry_ctime_nsec(ae));
archive_entry_copy_pathname(ae, "empty");
assertEqualString("empty", archive_entry_pathname(ae));
archive_entry_set_mode(ae, AE_IFREG | 0755);
assertEqualInt((S_IFREG | 0755), archive_entry_mode(ae));
assertEqualInt(ARCHIVE_OK, archive_write_header(a, ae));
archive_entry_free(ae);
/* Close out the archive. */
assertEqualInt(ARCHIVE_OK, archive_write_close(a));
assertEqualInt(ARCHIVE_OK, archive_write_free(a));
/* Verify the archive file size. */
assertEqualInt(102, used);
/* Verify the initial header. */
assertEqualMem(buff,
"\x37\x7a\xbc\xaf\x27\x1c\x00\x03"
"\x00\x5b\x58\x25\x00\x00\x00\x00"
"\x00\x00\x00\x00\x46\x00\x00\x00"
"\x00\x00\x00\x00\x8f\xce\x1d\xf3", 32);
/*
* Now, read the data back.
*/
/* With the test memory reader -- seeking mode. */
assert((a = archive_read_new()) != NULL);
assertEqualIntA(a, ARCHIVE_OK, archive_read_support_format_all(a));
assertEqualIntA(a, ARCHIVE_OK, archive_read_support_filter_all(a));
assertEqualIntA(a, ARCHIVE_OK, read_open_memory_seek(a, buff, used, 7));
/*
* Read and verify an empty file.
*/
assertEqualIntA(a, ARCHIVE_OK, archive_read_next_header(a, &ae));
assertEqualInt(1, archive_entry_mtime(ae));
assertEqualInt(0, archive_entry_mtime_nsec(ae));
assertEqualInt(2, archive_entry_atime(ae));
assertEqualInt(0, archive_entry_atime_nsec(ae));
assertEqualInt(0, archive_entry_ctime(ae));
assertEqualInt(100, archive_entry_ctime_nsec(ae));
assertEqualString("empty", archive_entry_pathname(ae));
assertEqualInt(AE_IFREG | 0755, archive_entry_mode(ae));
assertEqualInt(0, archive_entry_size(ae));
/* Verify the end of the archive. */
assertEqualIntA(a, ARCHIVE_EOF, archive_read_next_header(a, &ae));
/* Verify archive format. */
assertEqualIntA(a, ARCHIVE_FILTER_NONE, archive_filter_code(a, 0));
assertEqualIntA(a, ARCHIVE_FORMAT_7ZIP, archive_format(a));
assertEqualInt(ARCHIVE_OK, archive_read_close(a));
assertEqualInt(ARCHIVE_OK, archive_read_free(a));
free(buff);
}
