int
archive_read_support_compression_all(struct archive *a)
{
/* Bzip falls back to "bunzip2" command-line */
archive_read_support_compression_bzip2(a);
/* The decompress code doesn't use an outside library. */
archive_read_support_compression_compress(a);
/* Gzip decompress falls back to "gunzip" command-line. */
archive_read_support_compression_gzip(a);
/* The LZMA file format has a very weak signature, so it
* may not be feasible to keep this here, but we'll try.
* This will come back out if there are problems. */
/* Lzma falls back to "unlzma" command-line program. */
archive_read_support_compression_lzma(a);
/* Xz falls back to "unxz" command-line program. */
archive_read_support_compression_xz(a);
/* The decode code doesn't use an outside library. */
archive_read_support_compression_uu(a);
/* The decode code doesn't use an outside library. */
#ifndef __minix
archive_read_support_compression_rpm(a);
#endif
/* Note: We always return ARCHIVE_OK here, even if some of the
* above return ARCHIVE_WARN. The intent here is to enable
* "as much as possible." Clients who need specific
* compression should enable those individually so they can
* verify the level of support. */
/* Clear any warning messages set by the above functions. */
archive_clear_error(a);
return (ARCHIVE_OK);
}
/*
* All of the sample files have the same contents; they're just
* compressed in different ways.
*/
static void
compat_xz(const char *name)
{
const char *n[7] = { "f1", "f2", "f3", "d1/f1", "d1/f2", "d1/f3", NULL };
struct archive_entry *ae;
struct archive *a;
int i, r;
assert((a = archive_read_new()) != NULL);
assertEqualIntA(a, ARCHIVE_OK, archive_read_support_compression_all(a));
r = archive_read_support_compression_xz(a);
if (r == ARCHIVE_WARN) {
skipping("xz reading not fully supported on this platform");
assertEqualInt(ARCHIVE_OK, archive_read_finish(a));
return;
}
assertEqualIntA(a, ARCHIVE_OK, archive_read_support_format_all(a));
extract_reference_file(name);
assertEqualIntA(a, ARCHIVE_OK, archive_read_open_filename(a, name, 2));
/* Read entries, match up names with list above. */
for (i = 0; i < 6; ++i) {
failure("Could not read file %d (%s) from %s", i, n[i], name);
assertEqualIntA(a, ARCHIVE_OK,
archive_read_next_header(a, &ae));
assertEqualString(n[i], archive_entry_pathname(ae));
}
/* Verify the end-of-archive. */
assertEqualIntA(a, ARCHIVE_EOF, archive_read_next_header(a, &ae));
/* Verify that the format detection worked. */
assertEqualInt(archive_compression(a), ARCHIVE_COMPRESSION_XZ);
assertEqualString(archive_compression_name(a), "xz");
assertEqualInt(archive_format(a), ARCHIVE_FORMAT_TAR_USTAR);
assertEqualInt(ARCHIVE_OK, archive_read_close(a));
assertEqualInt(ARCHIVE_OK, archive_read_finish(a));
}
int HIDDEN
xbps_unpack_binary_pkg(struct xbps_handle *xhp, xbps_dictionary_t pkg_repod)
{
struct archive *ar = NULL;
struct stat st;
const char *pkgver;
char *bpkg = NULL;
int pkg_fd = -1, rv = 0;
assert(xbps_object_type(pkg_repod) == XBPS_TYPE_DICTIONARY);
xbps_dictionary_get_cstring_nocopy(pkg_repod, "pkgver", &pkgver);
xbps_set_cb_state(xhp, XBPS_STATE_UNPACK, 0, pkgver, NULL);
bpkg = xbps_repository_pkg_path(xhp, pkg_repod);
if (bpkg == NULL) {
xbps_set_cb_state(xhp, XBPS_STATE_UNPACK_FAIL,
errno, pkgver,
"%s: [unpack] cannot determine binary package "
"file for `%s': %s", pkgver, bpkg, strerror(errno));
return errno;
}
if ((ar = archive_read_new()) == NULL) {
free(bpkg);
return ENOMEM;
}
/*
* Enable support for tar format and gzip/bzip2/lzma compression methods.
*/
archive_read_support_compression_gzip(ar);
archive_read_support_compression_bzip2(ar);
archive_read_support_compression_xz(ar);
archive_read_support_format_tar(ar);
pkg_fd = open(bpkg, O_RDONLY|O_CLOEXEC);
if (pkg_fd == -1) {
rv = errno;
xbps_set_cb_state(xhp, XBPS_STATE_UNPACK_FAIL,
rv, pkgver,
"%s: [unpack] failed to open binary package `%s': %s",
pkgver, bpkg, strerror(rv));
goto out;
}
if (fstat(pkg_fd, &st) == -1) {
rv = errno;
xbps_set_cb_state(xhp, XBPS_STATE_UNPACK_FAIL,
rv, pkgver,
"%s: [unpack] failed to fstat binary package `%s': %s",
pkgver, bpkg, strerror(rv));
goto out;
}
if (archive_read_open_fd(ar, pkg_fd, st.st_blksize) == ARCHIVE_FATAL) {
rv = archive_errno(ar);
xbps_set_cb_state(xhp, XBPS_STATE_UNPACK_FAIL,
rv, pkgver,
"%s: [unpack] failed to read binary package `%s': %s",
pkgver, bpkg, strerror(rv));
goto out;
}
/*
* Extract archive files.
*/
if ((rv = unpack_archive(xhp, pkg_repod, pkgver, bpkg, ar)) != 0) {
xbps_set_cb_state(xhp, XBPS_STATE_UNPACK_FAIL,
rv, pkgver,
"%s: [unpack] failed to unpack files from archive: %s",
pkgver, strerror(rv));
goto out;
}
/*
* Set package state to unpacked.
*/
if ((rv = xbps_set_pkg_state_installed(xhp, pkgver,
XBPS_PKG_STATE_UNPACKED)) != 0) {
xbps_set_cb_state(xhp, XBPS_STATE_UNPACK_FAIL,
rv, pkgver,
"%s: [unpack] failed to set state to unpacked: %s",
pkgver, strerror(rv));
}
out:
if (pkg_fd != -1)
close(pkg_fd);
if (ar)
archive_read_finish(ar);
if (bpkg)
free(bpkg);
return rv;
}
