static void
mode_list(struct cpio *cpio)
{
struct archive *a;
struct archive_entry *entry;
unsigned long blocks;
int r;
a = archive_read_new();
if (a == NULL)
cpio_errc(1, 0, "Couldn't allocate archive object");
archive_read_support_compression_all(a);
archive_read_support_format_all(a);
if (archive_read_open_file(a, cpio->filename, cpio->bytes_per_block))
cpio_errc(1, archive_errno(a),
archive_error_string(a));
for (;;) {
r = archive_read_next_header(a, &entry);
if (r == ARCHIVE_EOF)
break;
if (r != ARCHIVE_OK) {
cpio_errc(1, archive_errno(a),
archive_error_string(a));
}
if (excluded(cpio, archive_entry_pathname(entry)))
continue;
if (cpio->verbose)
list_item_verbose(cpio, entry);
else
fprintf(stdout, "%s\n", archive_entry_pathname(entry));
}
r = archive_read_close(a);
if (r != ARCHIVE_OK)
cpio_errc(1, 0, archive_error_string(a));
if (!cpio->quiet) {
blocks = (archive_position_uncompressed(a) + 511)
/ 512;
fprintf(stderr, "%lu %s\n", blocks,
blocks == 1 ? "block" : "blocks");
}
archive_read_finish(a);
exit(0);
}
/*
* file to memory
*/
int archive_extract_file2( char *arch_file, const char *src, void **dest_buff, size_t *dest_len )
{
const char *filename;
struct archive *arch_r = NULL;
struct archive_entry *entry;
if( !arch_file || !src )
return -1;
arch_r = archive_read_new();
archive_read_support_format_all( arch_r );
archive_read_support_compression_all( arch_r );
if( archive_read_open_filename( arch_r, arch_file, 10240 ) != ARCHIVE_OK )
goto errout;
while( archive_read_next_header( arch_r, &entry ) == ARCHIVE_OK )
{
filename = archive_entry_pathname( entry );
if( fnmatch( src, filename, FNM_PATHNAME | FNM_PERIOD ) )
{
if( archive_read_data_skip( arch_r ) != ARCHIVE_OK )
{
goto errout;
}
}
else
{
#ifdef DEBUG
printf("extract:%s\n", filename );
#endif
*dest_len = archive_entry_size( entry );
if( *dest_len > 0 )
{
*dest_buff = malloc( *dest_len + 10 );
memset( *dest_buff, 0, *dest_len + 10 );
}
if( archive_read_data( arch_r, *dest_buff, *dest_len) < 0 )
goto errout;
}
}
archive_read_finish( arch_r );
return 0;
errout:
#ifdef DEBUG
fprintf( stderr, "errno:%d, error:%s\n", archive_errno( arch_r ), archive_error_string( arch_r ) );
#endif
if( arch_r )
archive_read_finish( arch_r );
return -1;
}
static bool
repo_open_local(struct xbps_repo *repo, const char *repofile)
{
struct stat st;
int rv = 0;
if (fstat(repo->fd, &st) == -1) {
rv = errno;
xbps_dbg_printf(repo->xhp, "[repo] `%s' fstat repodata %s\n",
repofile, strerror(rv));
return false;
}
repo->ar = archive_read_new();
archive_read_support_compression_gzip(repo->ar);
archive_read_support_format_tar(repo->ar);
if (archive_read_open_fd(repo->ar, repo->fd, st.st_blksize) == ARCHIVE_FATAL) {
rv = archive_errno(repo->ar);
xbps_dbg_printf(repo->xhp,
"[repo] `%s' failed to open repodata archive %s\n",
repofile, strerror(rv));
return false;
}
if ((repo->idx = repo_get_dict(repo)) == NULL) {
rv = archive_errno(repo->ar);
xbps_dbg_printf(repo->xhp, "[repo] `%s' failed to internalize "
" index on archive, removing file.\n", repofile);
/* broken archive, remove it */
(void)unlink(repofile);
return false;
}
xbps_dictionary_make_immutable(repo->idx);
repo->idxmeta = repo_get_dict(repo);
if (repo->idxmeta != NULL) {
repo->is_signed = true;
xbps_dictionary_make_immutable(repo->idxmeta);
}
return true;
}
static void
test_empty_tarfile(void)
{
struct archive* a = archive_read_new();
struct archive_entry* e;
/* Try opening an empty file with raw and empty handlers. */
assertEqualInt(ARCHIVE_OK, archive_read_support_format_tar(a));
assertEqualInt(0, archive_errno(a));
assertEqualString(NULL, archive_error_string(a));
assertEqualInt(ARCHIVE_OK, archive_read_open_filename(a, "empty.tar", 0));
assertEqualInt(0, archive_errno(a));
assertEqualString(NULL, archive_error_string(a));
assertEqualInt(ARCHIVE_EOF, archive_read_next_header(a, &e));
assertEqualInt(0, archive_errno(a));
assertEqualString(NULL, archive_error_string(a));
archive_read_free(a);
}
/* ArchiveReader::extractCurrentEntry {{{
*
*/
ZEND_METHOD(ArchiveReader, extractCurrentEntry)
{
zval *this = getThis();
archive_file_t *arch;
int result, error_num, flags = 0;
const char *error_string;
zend_error_handling error_handling;
zend_replace_error_handling(EH_THROW, ce_ArchiveException, &error_handling TSRMLS_CC);
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "|l", &flags) == FAILURE) {
zend_restore_error_handling(&error_handling TSRMLS_CC);
return;
}
if (!_archive_get_fd(this, &arch TSRMLS_CC)) {
zend_restore_error_handling(&error_handling TSRMLS_CC);
return;
}
if (arch->current_entry == NULL) {
php_error_docref(NULL TSRMLS_CC, E_WARNING, "Current archive entry is not available");
zend_restore_error_handling(&error_handling TSRMLS_CC);
return;
}
if (arch->current_entry->data) {
/* again, rather annoying libarchive limitation: you can't extract or
* read entry anymore if it had been extracted/read before.
* */
zend_restore_error_handling(&error_handling TSRMLS_CC);
RETURN_FALSE;
}
result = archive_read_extract(arch->arch, arch->current_entry->entry, flags);
if (result && result != ARCHIVE_EOF) {
error_num = archive_errno(arch->arch);
error_string = archive_error_string(arch->arch);
if (error_num && error_string) {
php_error_docref(NULL TSRMLS_CC, E_WARNING, "Failed to extract entry: error #%d, %s", error_num, error_string);
}
else {
php_error_docref(NULL TSRMLS_CC, E_WARNING, "Failed to extract entry: unknown error %d", result);
}
zend_restore_error_handling(&error_handling TSRMLS_CC);
return;
}
zend_restore_error_handling(&error_handling TSRMLS_CC);
RETURN_TRUE;
}
int
xbps_archive_append_buf(struct archive *ar, const void *buf, const size_t buflen,
const char *fname, const mode_t mode, const char *uname, const char *gname)
{
struct archive_entry *entry;
time_t tm;
assert(ar);
assert(buf);
assert(fname);
assert(uname);
assert(gname);
tm = time(NULL);
entry = archive_entry_new();
assert(entry);
archive_entry_set_filetype(entry, AE_IFREG);
archive_entry_set_perm(entry, mode);
archive_entry_set_uname(entry, uname);
archive_entry_set_gname(entry, gname);
archive_entry_set_pathname(entry, fname);
archive_entry_set_size(entry, buflen);
archive_entry_set_atime(entry, tm, 0);
archive_entry_set_mtime(entry, tm, 0);
archive_entry_set_ctime(entry, tm, 0);
if (archive_write_header(ar, entry) != ARCHIVE_OK) {
archive_entry_free(entry);
return archive_errno(ar);
}
if (archive_write_data(ar, buf, buflen) != ARCHIVE_OK) {
archive_entry_free(entry);
return archive_errno(ar);
}
archive_write_finish_entry(ar);
archive_entry_free(entry);
return 0;
}
/* ArchiveReader::getCurrentEntryData {{{
*
*/
ZEND_METHOD(ArchiveReader, getCurrentEntryData)
{
zval *this = getThis();
archive_file_t *arch;
int result, error_num;
size_t len;
off_t offset;
const char *error_string;
char *buf;
zend_error_handling error_handling;
zend_replace_error_handling(EH_THROW, ce_ArchiveException, &error_handling TSRMLS_CC);
if (!_archive_get_fd(this, &arch TSRMLS_CC)) {
zend_restore_error_handling(&error_handling TSRMLS_CC);
return;
}
if (arch->current_entry == NULL) {
php_error_docref(NULL TSRMLS_CC, E_WARNING, "Current archive entry is not available");
zend_restore_error_handling(&error_handling TSRMLS_CC);
return;
}
if (arch->current_entry->data) {
zend_restore_error_handling(&error_handling TSRMLS_CC);
RETURN_STRINGL(arch->current_entry->data, arch->current_entry->data_len, 1);
}
while ((result = archive_read_data_block(arch->arch, (const void **)&buf, &len, &offset)) == ARCHIVE_OK) {
arch->current_entry->data = erealloc(arch->current_entry->data, arch->current_entry->data_len + len + 1);
memcpy(arch->current_entry->data + arch->current_entry->data_len, buf, len);
arch->current_entry->data_len += len;
}
if (result && result != ARCHIVE_EOF) {
error_num = archive_errno(arch->arch);
error_string = archive_error_string(arch->arch);
if (error_num && error_string) {
php_error_docref(NULL TSRMLS_CC, E_WARNING, "Failed to read entry data: error #%d, %s", error_num, error_string);
}
else {
php_error_docref(NULL TSRMLS_CC, E_WARNING, "Failed to read entry data: unknown error %d", result);
}
zend_restore_error_handling(&error_handling TSRMLS_CC);
return;
}
zend_restore_error_handling(&error_handling TSRMLS_CC);
RETURN_STRINGL(arch->current_entry->data, arch->current_entry->data_len, 1);
}
/**
* autoar_common_g_error_new_a:
* @a: a archive object
* @pathname: the file which causes error, or %NULL
*
* Creates a new #GError with error messages got from libarchive.
*
* Returns: (transfer full): a #GError. Free with g_error_free().
**/
G_GNUC_INTERNAL GError*
autoar_common_g_error_new_a (struct archive *a,
const char *pathname)
{
GError *newerror;
newerror = g_error_new (AUTOAR_LIBARCHIVE_ERROR,
archive_errno (a),
"%s%s%s%s",
pathname != NULL ? "\'" : "",
pathname != NULL ? pathname : "",
pathname != NULL ? "\': " : "",
archive_error_string (a));
return newerror;
}
/* ArchiveReader::readCurrentEntryData(count) {{{
*
*/
ZEND_METHOD(ArchiveReader, readCurrentEntryData){
zval *this = getThis();
archive_file_t *arch;
char *buf;
const char *error_string;
size_t len;
int r, error_num;
long count;
zend_error_handling error_handling;
zend_replace_error_handling(EH_THROW, ce_ArchiveException, &error_handling TSRMLS_CC);
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "l", &count) == FAILURE) {
zend_restore_error_handling(&error_handling TSRMLS_CC);
return;
}
if (!_archive_get_fd(this, &arch TSRMLS_CC)) {
zend_restore_error_handling(&error_handling TSRMLS_CC);
return;
}
if (arch->current_entry == NULL) {
php_error_docref(NULL TSRMLS_CC, E_WARNING, "Current archive entry is not available");
zend_restore_error_handling(&error_handling TSRMLS_CC);
return;
}
Z_STRVAL_P(return_value) = emalloc(count+1);
len = 0;
while(count > 0){
r = archive_read_data(arch->arch, Z_STRVAL_P(return_value)+len, count);
if(r < ARCHIVE_OK){
error_num = archive_errno(arch->arch);
error_string = archive_error_string(arch->arch);
php_error_docref(NULL TSRMLS_CC, E_WARNING, "Decompress entry failed errno(%d):%s", error_num, error_string);
zend_restore_error_handling(&error_handling TSRMLS_CC);
return;
}
if(r == 0){
break;
}
count -= r;
len += r;
}
Z_STRVAL_P(return_value)[len] = 0;
Z_STRLEN_P(return_value) = len;
Z_TYPE_P(return_value) = IS_STRING;
zend_restore_error_handling(&error_handling TSRMLS_CC);
}
/* Extracts the downloaded archive and removes it upon success.
* Assumed to be in destination directory before calling this.
* Returns -1 on fatal errors, > 0 on extraction errors, 0 on success.
*/
int extract_file(const char *filename)
{
/* Extract the archive */
struct archive *archive;
struct archive_entry *entry;
int ret;
int errors = 0;
int extract_flags = ARCHIVE_EXTRACT_PERM | ARCHIVE_EXTRACT_TIME;
archive = archive_read_new();
if (!archive) {
return error(PW_ERR_ARCHIVE_CREATE);
}
archive_read_support_compression_all(archive);
archive_read_support_format_all(archive);
ret = archive_read_open_filename(archive, filename, 16384);
if (ret != ARCHIVE_OK) {
return error(PW_ERR_ARCHIVE_OPEN);
}
while (archive_read_next_header(archive, &entry) == ARCHIVE_OK) {
ret = archive_read_extract(archive, entry, extract_flags);
if (ret == ARCHIVE_WARN && archive_errno(archive) != ENOSPC) {
pw_fprintf(PW_LOG_WARNING, stderr,
"warning given when extracting %s: %s\n",
archive_entry_pathname(entry),
archive_error_string(archive));
} else if (ret != ARCHIVE_OK) {
pw_fprintf(PW_LOG_ERROR, stderr, "Could not extract %s\n",
archive_entry_pathname(entry));
++errors;
}
if (config->verbose) {
printf("X %s\n", archive_entry_pathname(entry));
}
}
archive_read_finish(archive);
/* Everything successful. Remove the file */
unlink(filename);
return errors;
}
static void
test_empty_file1(void)
{
struct archive* a = archive_read_new();
/* Try opening an empty file with the raw handler. */
assertEqualInt(ARCHIVE_OK, archive_read_support_format_raw(a));
assertEqualInt(0, archive_errno(a));
assertEqualString(NULL, archive_error_string(a));
/* Raw handler doesn't support empty files. */
assertEqualInt(ARCHIVE_FATAL, archive_read_open_filename(a, "emptyfile", 0));
assert(NULL != archive_error_string(a));
archive_read_free(a);
}
static int
archive_error(archive_wrapper *ar)
{ int eno = archive_errno(ar->archive);
if ( eno != 0 )
{ const char *s = archive_error_string(ar->archive);
term_t ex = PL_new_term_ref();
if ( PL_unify_term(ex,
PL_FUNCTOR, FUNCTOR_error2,
PL_FUNCTOR, FUNCTOR_archive_error2,
PL_INT, errno,
PL_CHARS, s,
PL_VARIABLE) )
return PL_raise_exception(ex);
return FALSE;
}
return TRUE;
}
/*
* Read Info-ZIP New Unix Extra Field 0x7875 "ux".
* Currently stores Unix UID/GID up to 32 bits.
*/
static void
verify_info_zip_ux(struct archive *a, int seek_checks)
{
struct archive_entry *ae;
char *buff[128];
assertEqualIntA(a, ARCHIVE_OK, archive_read_next_header(a, &ae));
assertEqualString("file1", archive_entry_pathname(ae));
assertEqualInt(1300668680, archive_entry_mtime(ae));
assertEqualInt(18, archive_entry_size(ae));
assertEqualInt(archive_entry_is_encrypted(ae), 0);
assertEqualIntA(a, archive_read_has_encrypted_entries(a), 0);
if (seek_checks)
assertEqualInt(AE_IFREG | 0644, archive_entry_mode(ae));
failure("zip reader should read Info-ZIP New Unix Extra Field");
assertEqualInt(1001, archive_entry_uid(ae));
assertEqualInt(1001, archive_entry_gid(ae));
if (archive_zlib_version() != NULL) {
failure("archive_read_data() returns number of bytes read");
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_EOF, archive_read_next_header(a, &ae));
/* Verify the number of files read. */
failure("the archive file has just one file");
assertEqualInt(1, 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));
}
/*
* Add the file or dir hierarchy named by 'path' to the archive
*/
static void
write_hierarchy(struct bsdtar *bsdtar, struct archive *a, const char *path)
{
struct archive *disk = bsdtar->diskreader;
struct archive_entry *entry = NULL, *spare_entry = NULL;
int r;
r = archive_read_disk_open(disk, path);
if (r != ARCHIVE_OK) {
lafe_warnc(archive_errno(disk),
"%s", archive_error_string(disk));
bsdtar->return_value = 1;
return;
}
bsdtar->first_fs = -1;
for (;;) {
archive_entry_free(entry);
entry = archive_entry_new();
r = archive_read_next_header2(disk, entry);
if (r == ARCHIVE_EOF)
break;
else if (r != ARCHIVE_OK) {
lafe_warnc(archive_errno(disk),
"%s", archive_error_string(disk));
if (r == ARCHIVE_FATAL) {
bsdtar->return_value = 1;
return;
} else if (r < ARCHIVE_WARN)
continue;
}
if (bsdtar->uid >= 0) {
archive_entry_set_uid(entry, bsdtar->uid);
if (!bsdtar->uname)
archive_entry_set_uname(entry,
archive_read_disk_uname(bsdtar->diskreader,
bsdtar->uid));
}
if (bsdtar->gid >= 0) {
archive_entry_set_gid(entry, bsdtar->gid);
if (!bsdtar->gname)
archive_entry_set_gname(entry,
archive_read_disk_gname(bsdtar->diskreader,
bsdtar->gid));
}
if (bsdtar->uname)
archive_entry_set_uname(entry, bsdtar->uname);
if (bsdtar->gname)
archive_entry_set_gname(entry, bsdtar->gname);
/*
* Rewrite the pathname to be archived. If rewrite
* fails, skip the entry.
*/
if (edit_pathname(bsdtar, entry))
continue;
/* Display entry as we process it.
* This format is required by SUSv2. */
if (bsdtar->verbose)
safe_fprintf(stderr, "a %s",
archive_entry_pathname(entry));
/* Non-regular files get archived with zero size. */
if (archive_entry_filetype(entry) != AE_IFREG)
archive_entry_set_size(entry, 0);
archive_entry_linkify(bsdtar->resolver, &entry, &spare_entry);
while (entry != NULL) {
write_file(bsdtar, a, entry);
archive_entry_free(entry);
entry = spare_entry;
spare_entry = NULL;
}
if (bsdtar->verbose)
fprintf(stderr, "\n");
}
archive_entry_free(entry);
archive_read_close(disk);
}
/* Helper function to copy file to archive. */
static int
copy_file_data_block(struct bsdtar *bsdtar, struct archive *a,
struct archive *in_a, struct archive_entry *entry)
{
size_t bytes_read;
ssize_t bytes_written;
int64_t offset, progress = 0;
char *null_buff = NULL;
const void *buff;
int r;
while ((r = archive_read_data_block(in_a, &buff,
&bytes_read, &offset)) == ARCHIVE_OK) {
if (need_report())
report_write(bsdtar, a, entry, progress);
if (offset > progress) {
int64_t sparse = offset - progress;
size_t ns;
if (null_buff == NULL) {
null_buff = bsdtar->buff;
memset(null_buff, 0, bsdtar->buff_size);
}
while (sparse > 0) {
if (sparse > (int64_t)bsdtar->buff_size)
ns = bsdtar->buff_size;
else
ns = (size_t)sparse;
bytes_written =
archive_write_data(a, null_buff, ns);
if (bytes_written < 0) {
/* Write failed; this is bad */
lafe_warnc(0, "%s",
archive_error_string(a));
return (-1);
}
if ((size_t)bytes_written < ns) {
/* Write was truncated; warn but
* continue. */
lafe_warnc(0,
"%s: Truncated write; file may "
"have grown while being archived.",
archive_entry_pathname(entry));
return (0);
}
progress += bytes_written;
sparse -= bytes_written;
}
}
bytes_written = archive_write_data(a, buff, bytes_read);
if (bytes_written < 0) {
/* Write failed; this is bad */
lafe_warnc(0, "%s", archive_error_string(a));
return (-1);
}
if ((size_t)bytes_written < bytes_read) {
/* Write was truncated; warn but continue. */
lafe_warnc(0,
"%s: Truncated write; file may have grown "
"while being archived.",
archive_entry_pathname(entry));
return (0);
}
progress += bytes_written;
}
if (r < ARCHIVE_WARN) {
lafe_warnc(archive_errno(a), "%s", archive_error_string(a));
return (-1);
}
return (0);
}
/*
* Write user-specified files/dirs to opened archive.
*/
static void
write_archive(struct archive *a, struct bsdtar *bsdtar)
{
const char *arg;
struct archive_entry *entry, *sparse_entry;
/* Choose a suitable copy buffer size */
bsdtar->buff_size = 64 * 1024;
while (bsdtar->buff_size < (size_t)bsdtar->bytes_per_block)
bsdtar->buff_size *= 2;
/* Try to compensate for space we'll lose to alignment. */
bsdtar->buff_size += 16 * 1024;
/* Allocate a buffer for file data. */
if ((bsdtar->buff = malloc(bsdtar->buff_size)) == NULL)
lafe_errc(1, 0, "cannot allocate memory");
if ((bsdtar->resolver = archive_entry_linkresolver_new()) == NULL)
lafe_errc(1, 0, "cannot create link resolver");
archive_entry_linkresolver_set_strategy(bsdtar->resolver,
archive_format(a));
/* Create a read_disk object. */
if ((bsdtar->diskreader = archive_read_disk_new()) == NULL)
lafe_errc(1, 0, "Cannot create read_disk object");
/* Tell the read_disk how handle symlink. */
switch (bsdtar->symlink_mode) {
case 'H':
archive_read_disk_set_symlink_hybrid(bsdtar->diskreader);
break;
case 'L':
archive_read_disk_set_symlink_logical(bsdtar->diskreader);
break;
default:
archive_read_disk_set_symlink_physical(bsdtar->diskreader);
break;
}
/* Register entry filters. */
archive_read_disk_set_matching(bsdtar->diskreader,
bsdtar->matching, excluded_callback, bsdtar);
archive_read_disk_set_metadata_filter_callback(
bsdtar->diskreader, metadata_filter, bsdtar);
/* Set the behavior of archive_read_disk. */
archive_read_disk_set_behavior(bsdtar->diskreader,
bsdtar->readdisk_flags);
archive_read_disk_set_standard_lookup(bsdtar->diskreader);
if (bsdtar->names_from_file != NULL)
archive_names_from_file(bsdtar, a);
while (*bsdtar->argv) {
arg = *bsdtar->argv;
if (arg[0] == '-' && arg[1] == 'C') {
arg += 2;
if (*arg == '\0') {
bsdtar->argv++;
arg = *bsdtar->argv;
if (arg == NULL) {
lafe_warnc(0, "%s",
"Missing argument for -C");
bsdtar->return_value = 1;
goto cleanup;
}
if (*arg == '\0') {
lafe_warnc(0,
"Meaningless argument for -C: ''");
bsdtar->return_value = 1;
goto cleanup;
}
}
set_chdir(bsdtar, arg);
} else {
if (*arg != '/' && (arg[0] != '@' || arg[1] != '/'))
do_chdir(bsdtar); /* Handle a deferred -C */
if (*arg == '@') {
if (append_archive_filename(bsdtar, a,
arg + 1) != 0)
break;
} else
write_hierarchy(bsdtar, a, arg);
}
bsdtar->argv++;
}
archive_read_disk_set_matching(bsdtar->diskreader, NULL, NULL, NULL);
archive_read_disk_set_metadata_filter_callback(
bsdtar->diskreader, NULL, NULL);
entry = NULL;
archive_entry_linkify(bsdtar->resolver, &entry, &sparse_entry);
while (entry != NULL) {
int r;
struct archive_entry *entry2;
struct archive *disk = bsdtar->diskreader;
/*
* This tricky code here is to correctly read the cotents
* of the entry because the disk reader bsdtar->diskreader
* is pointing at does not have any information about the
* entry by this time and using archive_read_data_block()
* with the disk reader consequently must fail. And we
* have to re-open the entry to read the contents.
*/
/* TODO: Work with -C option as well. */
r = archive_read_disk_open(disk,
archive_entry_sourcepath(entry));
if (r != ARCHIVE_OK) {
lafe_warnc(archive_errno(disk),
"%s", archive_error_string(disk));
bsdtar->return_value = 1;
archive_entry_free(entry);
continue;
}
/*
* Invoke archive_read_next_header2() to work
* archive_read_data_block(), which is called via write_file(),
* without failure.
*/
entry2 = archive_entry_new();
r = archive_read_next_header2(disk, entry2);
archive_entry_free(entry2);
if (r != ARCHIVE_OK) {
lafe_warnc(archive_errno(disk),
"%s", archive_error_string(disk));
if (r == ARCHIVE_FATAL)
bsdtar->return_value = 1;
else
archive_read_close(disk);
archive_entry_free(entry);
continue;
}
write_file(bsdtar, a, entry);
archive_entry_free(entry);
archive_read_close(disk);
entry = NULL;
archive_entry_linkify(bsdtar->resolver, &entry, &sparse_entry);
}
if (archive_write_close(a)) {
lafe_warnc(0, "%s", archive_error_string(a));
bsdtar->return_value = 1;
}
cleanup:
/* Free file data buffer. */
free(bsdtar->buff);
archive_entry_linkresolver_free(bsdtar->resolver);
bsdtar->resolver = NULL;
archive_read_free(bsdtar->diskreader);
bsdtar->diskreader = NULL;
if (bsdtar->option_totals) {
fprintf(stderr, "Total bytes written: %s\n",
tar_i64toa(archive_filter_bytes(a, -1)));
}
archive_write_free(a);
}
/*
* Same as 'c', except we only support tar or empty formats in
* uncompressed files on disk.
*/
void
tar_mode_r(struct bsdtar *bsdtar)
{
int64_t end_offset;
int format;
struct archive *a;
struct archive_entry *entry;
int r;
/* Sanity-test some arguments and the file. */
test_for_append(bsdtar);
format = ARCHIVE_FORMAT_TAR_PAX_RESTRICTED;
#if defined(__BORLANDC__)
bsdtar->fd = open(bsdtar->filename, O_RDWR | O_CREAT | O_BINARY);
#else
bsdtar->fd = open(bsdtar->filename, O_RDWR | O_CREAT | O_BINARY, 0666);
#endif
if (bsdtar->fd < 0)
lafe_errc(1, errno,
"Cannot open %s", bsdtar->filename);
a = archive_read_new();
archive_read_support_filter_all(a);
archive_read_support_format_empty(a);
archive_read_support_format_tar(a);
archive_read_support_format_gnutar(a);
set_reader_options(bsdtar, a);
r = archive_read_open_fd(a, bsdtar->fd, 10240);
if (r != ARCHIVE_OK)
lafe_errc(1, archive_errno(a),
"Can't read archive %s: %s", bsdtar->filename,
archive_error_string(a));
while (0 == archive_read_next_header(a, &entry)) {
if (archive_filter_code(a, 0) != ARCHIVE_FILTER_NONE) {
archive_read_free(a);
close(bsdtar->fd);
lafe_errc(1, 0,
"Cannot append to compressed archive.");
}
/* Keep going until we hit end-of-archive */
format = archive_format(a);
}
end_offset = archive_read_header_position(a);
archive_read_free(a);
/* Re-open archive for writing */
a = archive_write_new();
/*
* Set the format to be used for writing. To allow people to
* extend empty files, we need to allow them to specify the format,
* which opens the possibility that they will specify a format that
* doesn't match the existing format. Hence, the following bit
* of arcane ugliness.
*/
if (cset_get_format(bsdtar->cset) != NULL) {
/* If the user requested a format, use that, but ... */
archive_write_set_format_by_name(a,
cset_get_format(bsdtar->cset));
/* ... complain if it's not compatible. */
format &= ARCHIVE_FORMAT_BASE_MASK;
if (format != (int)(archive_format(a) & ARCHIVE_FORMAT_BASE_MASK)
&& format != ARCHIVE_FORMAT_EMPTY) {
lafe_errc(1, 0,
"Format %s is incompatible with the archive %s.",
cset_get_format(bsdtar->cset), bsdtar->filename);
}
} else {
/*
* Just preserve the current format, with a little care
* for formats that libarchive can't write.
*/
if (format == ARCHIVE_FORMAT_EMPTY)
format = ARCHIVE_FORMAT_TAR_PAX_RESTRICTED;
archive_write_set_format(a, format);
}
if (lseek(bsdtar->fd, end_offset, SEEK_SET) < 0)
lafe_errc(1, errno, "Could not seek to archive end");
set_writer_options(bsdtar, a);
if (ARCHIVE_OK != archive_write_open_fd(a, bsdtar->fd))
lafe_errc(1, 0, "%s", archive_error_string(a));
write_archive(a, bsdtar); /* XXX check return val XXX */
close(bsdtar->fd);
bsdtar->fd = -1;
}
/*
* Add the file or dir hierarchy named by 'path' to the archive
*/
static void
write_hierarchy(struct bsdtar *bsdtar, struct archive *a, const char *path)
{
struct archive_entry *entry = NULL, *spare_entry = NULL;
struct tree *tree;
char symlink_mode = bsdtar->symlink_mode;
dev_t first_dev = 0;
int dev_recorded = 0;
int tree_ret;
dev_t last_dev = 0;
char * fstype;
tree = tree_open(path);
if (!tree) {
bsdtar_warnc(bsdtar, errno, "%s: Cannot open", path);
bsdtar->return_value = 1;
return;
}
while ((tree_ret = tree_next(tree))) {
int r;
const char *name = tree_current_path(tree);
const struct stat *st = NULL; /* info to use for this entry */
const struct stat *lst = NULL; /* lstat() information */
int descend;
if (truncate_archive(bsdtar))
break;
if (checkpoint_archive(bsdtar, 0))
exit(1);
disk_pause(bsdtar);
if (network_select(0))
exit(1);
if (tree_ret == TREE_ERROR_FATAL)
bsdtar_errc(bsdtar, 1, tree_errno(tree),
"%s: Unable to continue traversing directory tree",
name);
if (tree_ret == TREE_ERROR_DIR) {
bsdtar_warnc(bsdtar, errno,
"%s: Couldn't visit directory", name);
bsdtar->return_value = 1;
}
if (tree_ret != TREE_REGULAR)
continue;
/*
* If this file/dir is excluded by a filename
* pattern, skip it.
*/
if (excluded(bsdtar, name))
continue;
/*
* Get lstat() info from the tree library.
*/
lst = tree_current_lstat(tree);
if (lst == NULL) {
/* Couldn't lstat(); must not exist. */
bsdtar_warnc(bsdtar, errno, "%s: Cannot stat", name);
/* Return error if files disappear during traverse. */
bsdtar->return_value = 1;
continue;
}
/*
* Distinguish 'L'/'P'/'H' symlink following.
*/
switch(symlink_mode) {
case 'H':
/* 'H': After the first item, rest like 'P'. */
symlink_mode = 'P';
/* 'H': First item (from command line) like 'L'. */
/* FALLTHROUGH */
case 'L':
/* 'L': Do descend through a symlink to dir. */
descend = tree_current_is_dir(tree);
/* 'L': Follow symlinks to files. */
archive_read_disk_set_symlink_logical(bsdtar->diskreader);
/* 'L': Archive symlinks as targets, if we can. */
st = tree_current_stat(tree);
if (st != NULL)
break;
/* If stat fails, we have a broken symlink;
* in that case, don't follow the link. */
/* FALLTHROUGH */
default:
/* 'P': Don't descend through a symlink to dir. */
descend = tree_current_is_physical_dir(tree);
/* 'P': Don't follow symlinks to files. */
archive_read_disk_set_symlink_physical(bsdtar->diskreader);
/* 'P': Archive symlinks as symlinks. */
st = lst;
break;
}
if (bsdtar->option_no_subdirs)
descend = 0;
/*
* If user has asked us not to cross mount points,
* then don't descend into a dir on a different
* device.
*/
if (!dev_recorded) {
last_dev = first_dev = lst->st_dev;
dev_recorded = 1;
}
if (bsdtar->option_dont_traverse_mounts) {
if (lst->st_dev != first_dev)
descend = 0;
}
/*
* If the user did not specify --insane-filesystems, do not
* cross into a new filesystem which is known to be synthetic.
* Note that we will archive synthetic filesystems if we are
* explicitly told to do so.
*/
if ((bsdtar->option_insane_filesystems == 0) &&
(descend != 0) &&
(lst->st_dev != last_dev)) {
fstype = getfstype(tree_current_access_path(tree));
if (fstype == NULL)
bsdtar_errc(bsdtar, 1, errno,
"%s: Error getting filesystem type",
name);
if (getfstype_issynthetic(fstype)) {
if (!bsdtar->option_quiet)
bsdtar_warnc(bsdtar, 0,
"Not descending into filesystem of type %s: %s",
fstype, name);
descend = 0;
} else {
/* This device is ok to archive. */
last_dev = lst->st_dev;
}
free(fstype);
}
/*
* In -u mode, check that the file is newer than what's
* already in the archive; in all modes, obey --newerXXX flags.
*/
if (!new_enough(bsdtar, name, st)) {
if (!descend)
continue;
if (bsdtar->option_interactive &&
!yes("add '%s'", name))
continue;
tree_descend(tree);
continue;
}
archive_entry_free(entry);
entry = archive_entry_new();
archive_entry_set_pathname(entry, name);
archive_entry_copy_sourcepath(entry,
tree_current_access_path(tree));
/* Populate the archive_entry with metadata from the disk. */
/* XXX TODO: Arrange to open a regular file before
* calling this so we can pass in an fd and shorten
* the race to query metadata. The linkify dance
* makes this more complex than it might sound. */
r = archive_read_disk_entry_from_file(bsdtar->diskreader,
entry, -1, st);
if (r != ARCHIVE_OK)
bsdtar_warnc(bsdtar, archive_errno(bsdtar->diskreader),
"%s", archive_error_string(bsdtar->diskreader));
if (r < ARCHIVE_WARN)
continue;
/* XXX TODO: Just use flag data from entry; avoid the
* duplicate check here. */
/*
* If this file/dir is flagged "nodump" and we're
* honoring such flags, skip this file/dir.
*/
#if defined(HAVE_STRUCT_STAT_ST_FLAGS) && defined(UF_NODUMP)
/* BSD systems store flags in struct stat */
if (bsdtar->option_honor_nodump &&
(lst->st_flags & UF_NODUMP))
continue;
#endif
#if defined(EXT2_NODUMP_FL)
/* Linux uses ioctl to read flags. */
if (bsdtar->option_honor_nodump) {
unsigned long fflags, dummy;
archive_entry_fflags(entry, &fflags, &dummy);
if (fflags & EXT2_NODUMP_FL)
continue;
}
#endif
/*
* Don't back up the cache directory or any files inside it.
*/
if ((lst->st_ino == bsdtar->cachedir_ino) &&
(lst->st_dev == bsdtar->cachedir_dev)) {
if (!bsdtar->option_quiet)
bsdtar_warnc(bsdtar, 0,
"Not adding cache directory to archive: %s",
name);
continue;
}
/*
* If the user vetoes this file/directory, skip it.
* We want this to be fairly late; if some other
* check would veto this file, we shouldn't bother
* the user with it.
*/
if (bsdtar->option_interactive &&
!yes("add '%s'", name))
continue;
/* Note: if user vetoes, we won't descend. */
if (descend)
tree_descend(tree);
/*
* Rewrite the pathname to be archived. If rewrite
* fails, skip the entry.
*/
if (edit_pathname(bsdtar, entry))
continue;
/*
* If this is a socket, skip the entry: POSIX requires that
* pax(1) emit a "diagnostic message" (i.e., warning) that
* sockets cannot be archived, but this can make backups of
* running systems very noisy.
*/
if (S_ISSOCK(st->st_mode))
continue;
/* Display entry as we process it.
* This format is required by SUSv2. */
if (bsdtar->verbose)
safe_fprintf(stderr, "a %s",
archive_entry_pathname(entry));
/*
* If the user hasn't specifically asked to have the access
* time stored, zero it. At the moment this usually only
* matters for files which have flags set, since the "posix
* restricted" format doesn't store access times for most
* other files.
*/
if (bsdtar->option_store_atime == 0)
archive_entry_set_atime(entry, 0, 0);
/* Non-regular files get archived with zero size. */
if (!S_ISREG(st->st_mode))
archive_entry_set_size(entry, 0);
/* Record what we're doing, for SIGINFO / SIGUSR1. */
siginfo_setinfo(bsdtar, "adding",
archive_entry_pathname(entry), archive_entry_size(entry));
archive_entry_linkify(bsdtar->resolver, &entry, &spare_entry);
/* Handle SIGINFO / SIGUSR1 request if one was made. */
siginfo_printinfo(bsdtar, 0);
while (entry != NULL) {
write_entry_backend(bsdtar, a, entry, st,
tree_current_realpath(tree));
archive_entry_free(entry);
entry = spare_entry;
spare_entry = NULL;
}
if (bsdtar->verbose)
fprintf(stderr, "\n");
}
archive_entry_free(entry);
if (tree_close(tree))
bsdtar_errc(bsdtar, 1, 0, "Error traversing directory tree");
}
/* ArchiveWriter::__construct {{{
*
*/
ZEND_METHOD(ArchiveWriter, __construct)
{
archive_file_t *arch = NULL;
int resource_id;
zval *this = getThis();
const char *error_string = NULL;
char *filename;
long error_num, filename_len, result, format=0, compression=0;
zend_error_handling error_handling;
zend_replace_error_handling(EH_THROW, ce_ArchiveException, &error_handling TSRMLS_CC);
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "s|ll", &filename, &filename_len, &format, &compression) == FAILURE) {
zend_restore_error_handling(&error_handling TSRMLS_CC);
return;
}
#if PHP_API_VERSION < 20100412
if (PG(safe_mode) && (!php_checkuid(filename, NULL, CHECKUID_CHECK_FILE_AND_DIR))) {
zend_restore_error_handling(&error_handling TSRMLS_CC);
return;
}
#endif
if (php_check_open_basedir(filename TSRMLS_CC)) {
zend_restore_error_handling(&error_handling TSRMLS_CC);
return;
}
arch = (archive_file_t *) emalloc(sizeof(archive_file_t));
arch->stream = NULL;
ALLOC_HASHTABLE(arch->entries);
zend_hash_init(arch->entries, 10, NULL, _archive_entries_hash_dtor, 0);
arch->mode = PHP_ARCHIVE_WRITE_MODE;
arch->buf = emalloc(PHP_ARCHIVE_BUF_LEN + 1);
arch->filename = estrndup(filename, filename_len);
arch->arch = archive_write_new();
switch (compression) {
case PHP_ARCHIVE_COMPRESSION_GZIP:
if (archive_write_add_filter_gzip(arch->arch) != ARCHIVE_OK) {
php_error_docref(NULL TSRMLS_CC, E_WARNING, "Gzip compression is not supported in this build");
zend_restore_error_handling(&error_handling TSRMLS_CC);
return;
}
break;
case PHP_ARCHIVE_COMPRESSION_BZIP2:
if (archive_write_add_filter_bzip2(arch->arch) != ARCHIVE_OK) {
php_error_docref(NULL TSRMLS_CC, E_WARNING, "Bzip2 compression is not supported in this build");
zend_restore_error_handling(&error_handling TSRMLS_CC);
return;
}
break;
case 0: /* default value */
case PHP_ARCHIVE_COMPRESSION_NONE:
/* always supported */
break;
default:
php_error_docref(NULL TSRMLS_CC, E_WARNING, "Unsupported compression type %ld", compression);
zend_restore_error_handling(&error_handling TSRMLS_CC);
return;
break;
}
switch (format) {
case 0: /* default value */
case PHP_ARCHIVE_FORMAT_TAR:
case PHP_ARCHIVE_FORMAT_PAX_RESTRICTED:
archive_write_set_format_pax_restricted(arch->arch);
break;
case PHP_ARCHIVE_FORMAT_PAX:
archive_write_set_format_pax(arch->arch);
break;
case PHP_ARCHIVE_FORMAT_CPIO:
archive_write_set_format_cpio(arch->arch);
break;
case PHP_ARCHIVE_FORMAT_SHAR:
archive_write_set_format_shar(arch->arch);
break;
case PHP_ARCHIVE_FORMAT_USTAR:
archive_write_set_format_ustar(arch->arch);
break;
default:
php_error_docref(NULL TSRMLS_CC, E_WARNING, "Unsupported archive format: %ld", format);
zend_restore_error_handling(&error_handling TSRMLS_CC);
return;
break;
}
archive_write_set_bytes_per_block(arch->arch, DEFAULT_BYTES_PER_BLOCK);
result = archive_write_open(arch->arch, arch, _archive_open_clbk, _archive_write_clbk, _archive_close_clbk);
/* do not pad the last block */
archive_write_set_bytes_in_last_block(arch->arch, 1);
if (result) {
error_num = archive_errno(arch->arch);
error_string = archive_error_string(arch->arch);
efree(arch->filename);
efree(arch->buf);
efree(arch);
if (error_num && error_string) {
php_error_docref(NULL TSRMLS_CC, E_WARNING, "Failed to open file %s for writing: error #%ld, %s", filename, error_num, error_string);
}
else {
php_error_docref(NULL TSRMLS_CC, E_WARNING, "Failed to open file %s for writing: unknown error %ld", filename, result);
}
zend_restore_error_handling(&error_handling TSRMLS_CC);
return;
}
resource_id = zend_list_insert(arch,le_archive);
add_property_resource(this, "fd", resource_id);
zend_restore_error_handling(&error_handling TSRMLS_CC);
return;
}
/*
* Handle read modes: 'x', 't' and 'p'.
*/
static void
read_archive(struct bsdar *bsdar, char mode)
{
struct archive *a;
struct archive_entry *entry;
struct stat sb;
struct tm *tp;
const char *bname;
const char *name;
mode_t md;
size_t size;
time_t mtime;
uid_t uid;
gid_t gid;
char **av;
char buf[25];
char find;
int flags, r, i;
if ((a = archive_read_new()) == NULL)
bsdar_errc(bsdar, EX_SOFTWARE, 0, "archive_read_new failed");
archive_read_support_format_ar(a);
AC(archive_read_open_filename(a, bsdar->filename, DEF_BLKSZ));
for (;;) {
r = archive_read_next_header(a, &entry);
if (r == ARCHIVE_WARN || r == ARCHIVE_RETRY ||
r == ARCHIVE_FATAL)
bsdar_warnc(bsdar, archive_errno(a), "%s",
archive_error_string(a));
if (r == ARCHIVE_EOF || r == ARCHIVE_FATAL)
break;
if (r == ARCHIVE_RETRY) {
bsdar_warnc(bsdar, 0, "Retrying...");
continue;
}
if ((name = archive_entry_pathname(entry)) == NULL)
break;
/* Skip pseudo members. */
if (strcmp(name, "/") == 0 || strcmp(name, "//") == 0 ||
strcmp(name, "/SYM64/") == 0)
continue;
if (bsdar->argc > 0) {
find = 0;
for(i = 0; i < bsdar->argc; i++) {
av = &bsdar->argv[i];
if (*av == NULL)
continue;
if ((bname = basename(*av)) == NULL)
bsdar_errc(bsdar, EX_SOFTWARE, errno,
"basename failed");
if (strcmp(bname, name) != 0)
continue;
*av = NULL;
find = 1;
break;
}
if (!find)
continue;
}
if (mode == 't') {
if (bsdar->options & AR_V) {
md = archive_entry_mode(entry);
uid = archive_entry_uid(entry);
gid = archive_entry_gid(entry);
size = archive_entry_size(entry);
mtime = archive_entry_mtime(entry);
(void)strmode(md, buf);
(void)fprintf(stdout, "%s %6d/%-6d %8ju ",
buf + 1, uid, gid, (uintmax_t)size);
tp = localtime(&mtime);
(void)strftime(buf, sizeof(buf),
"%b %e %H:%M %Y", tp);
(void)fprintf(stdout, "%s %s", buf, name);
} else
(void)fprintf(stdout, "%s", name);
r = archive_read_data_skip(a);
if (r == ARCHIVE_WARN || r == ARCHIVE_RETRY ||
r == ARCHIVE_FATAL) {
(void)fprintf(stdout, "\n");
bsdar_warnc(bsdar, archive_errno(a), "%s",
archive_error_string(a));
}
if (r == ARCHIVE_FATAL)
break;
(void)fprintf(stdout, "\n");
} else {
/* mode == 'x' || mode = 'p' */
if (mode == 'p') {
if (bsdar->options & AR_V) {
(void)fprintf(stdout, "\n<%s>\n\n",
name);
fflush(stdout);
}
r = archive_read_data_into_fd(a, 1);
} else {
/* mode == 'x' */
if (stat(name, &sb) != 0) {
if (errno != ENOENT) {
bsdar_warnc(bsdar, 0,
"stat %s failed",
bsdar->filename);
continue;
}
} else {
/* stat success, file exist */
if (bsdar->options & AR_CC)
continue;
if (bsdar->options & AR_U &&
archive_entry_mtime(entry) <=
sb.st_mtime)
continue;
}
if (bsdar->options & AR_V)
(void)fprintf(stdout, "x - %s\n", name);
/* Disallow absolute paths. */
if (name[0] == '/') {
bsdar_warnc(bsdar, 0,
"Absolute path '%s'", name);
continue;
}
/* Basic path security flags. */
flags = ARCHIVE_EXTRACT_SECURE_SYMLINKS |
ARCHIVE_EXTRACT_SECURE_NODOTDOT;
if (bsdar->options & AR_O)
flags |= ARCHIVE_EXTRACT_TIME;
r = archive_read_extract(a, entry, flags);
}
if (r)
bsdar_warnc(bsdar, archive_errno(a), "%s",
archive_error_string(a));
}
}
AC(archive_read_close(a));
AC(archive_read_free(a));
}
// -----------------------------------------------------------------------------
bool extract(const char* spath, const char* dpath)
{
DEBUGLOGB;
int retc;
bool okay = false;
archive* sorc = archive_read_new();
archive* dest = archive_write_disk_new();
if( !sorc || !dest )
{
DEBUGLOGE;
DEBUGLOGS(" (1) - unable to create new read & write archive objects");
return okay;
}
archive_read_support_filter_all(sorc);
archive_read_support_format_all(sorc);
archive_write_disk_set_options(dest, ARCHIVE_EXTRACT_TIME);
if( (retc = archive_read_open_filename(sorc, spath, 64*1024)) != ARCHIVE_OK )
{
int errn = archive_errno(sorc);
const char* errs = archive_error_string(sorc);
DEBUGLOGE;
DEBUGLOGP(" (2) - unable to open archive (%d:%d)\n%s\n%s\n", retc, errn, errs, spath);
return okay;
}
archive_entry* entry;
while( true )
{
if( (retc = archive_read_next_header(sorc, &entry)) == ARCHIVE_EOF )
{
DEBUGLOGS("archive_read_next_header returned 'eof'");
okay = true;
break;
}
if( retc != ARCHIVE_OK )
{
DEBUGLOGS("archive_read_next_header returned 'archive not ok' error");
break;
}
char destPath[PATH_MAX];
strvcpy(destPath, dpath);
strvcat(destPath, archive_entry_pathname(entry));
DEBUGLOGP("extracting %s\n", destPath);
archive_entry_set_pathname(entry, destPath);
if( (retc = archive_write_header(dest, entry)) != ARCHIVE_OK )
{
DEBUGLOGS("archive_write_header returned 'archive not ok' error");
break;
}
copyData(sorc, dest);
if( (retc = archive_write_finish_entry(dest)) != ARCHIVE_OK )
{
DEBUGLOGS("archive_write_finish returned 'archive not ok' error");
break;
}
}
archive_write_free(dest);
archive_read_free(sorc);
DEBUGLOGE;
return okay;
}
static int
append_archive(struct bsdtar *bsdtar, struct archive *a, struct archive *ina,
void * cookie)
{
struct archive_entry *in_entry;
int e;
while (0 == archive_read_next_header(ina, &in_entry)) {
if (truncate_archive(bsdtar))
break;
if (checkpoint_archive(bsdtar, 0))
exit(1);
if (cookie == NULL)
disk_pause(bsdtar);
if (network_select(0))
exit(1);
if (!new_enough(bsdtar, archive_entry_pathname(in_entry),
archive_entry_stat(in_entry)))
continue;
if (excluded(bsdtar, archive_entry_pathname(in_entry)))
continue;
if (bsdtar->option_interactive &&
!yes("copy '%s'", archive_entry_pathname(in_entry)))
continue;
if (bsdtar->verbose)
safe_fprintf(stderr, "a %s",
archive_entry_pathname(in_entry));
siginfo_setinfo(bsdtar, "copying",
archive_entry_pathname(in_entry),
archive_entry_size(in_entry));
siginfo_printinfo(bsdtar, 0);
if (MODE_HEADER(bsdtar, a))
goto err_fatal;
e = archive_write_header(a, in_entry);
if (e != ARCHIVE_OK) {
if (!bsdtar->verbose)
bsdtar_warnc(bsdtar, 0, "%s: %s",
archive_entry_pathname(in_entry),
archive_error_string(a));
else
fprintf(stderr, ": %s", archive_error_string(a));
}
if (e == ARCHIVE_FATAL)
exit(1);
if (e < ARCHIVE_WARN)
goto done;
if (MODE_DATA(bsdtar, a))
goto err_fatal;
if (archive_entry_size(in_entry) == 0)
archive_read_data_skip(ina);
else if (cookie == NULL) {
if (copy_file_data(bsdtar, a, ina))
exit(1);
} else {
switch (archive_multitape_copy(ina, cookie, a,
bsdtar->write_cookie)) {
case -1:
goto err_fatal;
case -2:
goto err_read;
}
}
done:
if (MODE_DONE(bsdtar, a))
goto err_fatal;
if (bsdtar->verbose)
fprintf(stderr, "\n");
continue;
err_read:
bsdtar->return_value = 1;
if (MODE_DONE(bsdtar, a))
goto err_fatal;
if (bsdtar->verbose)
fprintf(stderr, "\n");
break;
err_fatal:
bsdtar_warnc(bsdtar, archive_errno(a), "%s",
archive_error_string(a));
exit(1);
}
/* Note: If we got here, we saw no write errors, so return success. */
return (0);
}
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;
}
static int
unpack_archive(struct xbps_handle *xhp,
xbps_dictionary_t pkg_repod,
const char *pkgver,
const char *fname,
struct archive *ar)
{
xbps_dictionary_t propsd, filesd, old_filesd;
xbps_array_t array, obsoletes;
xbps_object_t obj;
void *instbuf = NULL, *rembuf = NULL;
struct stat st;
struct xbps_unpack_cb_data xucd;
struct archive_entry *entry;
size_t i, entry_idx = 0, instbufsiz = 0, rembufsiz = 0;
ssize_t entry_size;
const char *file, *entry_pname, *transact, *tgtlnk;
char *pkgname, *dname, *buf, *buf2, *p, *p2;
int ar_rv, rv, entry_type, flags;
bool preserve, update, conf_file, file_exists, skip_obsoletes;
bool softreplace, skip_extract, force, metafile;
uid_t euid;
assert(xbps_object_type(pkg_repod) == XBPS_TYPE_DICTIONARY);
assert(ar != NULL);
propsd = filesd = old_filesd = NULL;
force = preserve = update = conf_file = file_exists = false;
skip_obsoletes = softreplace = metafile = false;
xbps_dictionary_get_bool(pkg_repod, "preserve", &preserve);
xbps_dictionary_get_bool(pkg_repod, "skip-obsoletes", &skip_obsoletes);
xbps_dictionary_get_bool(pkg_repod, "softreplace", &softreplace);
xbps_dictionary_get_cstring_nocopy(pkg_repod,
"transaction", &transact);
euid = geteuid();
pkgname = xbps_pkg_name(pkgver);
assert(pkgname);
if (xhp->flags & XBPS_FLAG_FORCE_UNPACK)
force = true;
if (xhp->unpack_cb != NULL) {
/* initialize data for unpack cb */
memset(&xucd, 0, sizeof(xucd));
}
if (access(xhp->rootdir, R_OK) == -1) {
if (errno != ENOENT) {
rv = errno;
goto out;
}
if (xbps_mkpath(xhp->rootdir, 0750) == -1) {
rv = errno;
goto out;
}
}
if (chdir(xhp->rootdir) == -1) {
xbps_set_cb_state(xhp, XBPS_STATE_UNPACK_FAIL,
errno, pkgver,
"%s: [unpack] failed to chdir to rootdir `%s': %s",
pkgver, xhp->rootdir, strerror(errno));
rv = errno;
goto out;
}
if (strcmp(transact, "update") == 0)
update = true;
/*
* Process the archive files.
*/
flags = set_extract_flags(euid);
for (;;) {
ar_rv = archive_read_next_header(ar, &entry);
if (ar_rv == ARCHIVE_EOF || ar_rv == ARCHIVE_FATAL)
break;
else if (ar_rv == ARCHIVE_RETRY)
continue;
entry_pname = archive_entry_pathname(entry);
entry_size = archive_entry_size(entry);
entry_type = archive_entry_filetype(entry);
/*
* Ignore directories from archive.
*/
if (entry_type == AE_IFDIR) {
archive_read_data_skip(ar);
continue;
}
if (strcmp("./INSTALL", entry_pname) == 0) {
/*
* Store file in a buffer and execute
* the "pre" action from it.
*/
instbufsiz = entry_size;
instbuf = malloc(entry_size);
assert(instbuf);
if (archive_read_data(ar, instbuf, entry_size) !=
entry_size) {
rv = EINVAL;
goto out;
}
rv = xbps_pkg_exec_buffer(xhp, instbuf, instbufsiz,
pkgver, "pre", update);
if (rv != 0) {
xbps_set_cb_state(xhp,
XBPS_STATE_UNPACK_FAIL,
rv, pkgver,
"%s: [unpack] INSTALL script failed "
"to execute pre ACTION: %s",
pkgver, strerror(rv));
goto out;
}
continue;
} else if (strcmp("./REMOVE", entry_pname) == 0) {
/* store file in a buffer */
rembufsiz = entry_size;
rembuf = malloc(entry_size);
assert(rembuf);
if (archive_read_data(ar, rembuf, entry_size) !=
entry_size) {
rv = EINVAL;
goto out;
}
continue;
} else if (strcmp("./files.plist", entry_pname) == 0) {
filesd = xbps_archive_get_dictionary(ar, entry);
if (filesd == NULL) {
rv = errno;
goto out;
}
continue;
} else if (strcmp("./props.plist", entry_pname) == 0) {
propsd = xbps_archive_get_dictionary(ar, entry);
if (propsd == NULL) {
rv = errno;
goto out;
}
continue;
}
/*
* XXX: duplicate code.
* Create the metaplist file before unpacking any real file.
*/
if (propsd && filesd && !metafile) {
rv = create_pkg_metaplist(xhp, pkgname, pkgver,
propsd, filesd, instbuf, instbufsiz,
rembuf, rembufsiz);
if (rv != 0) {
xbps_set_cb_state(xhp, XBPS_STATE_UNPACK_FAIL,
rv, pkgver,
"%s: [unpack] failed to create metaplist file: %s",
pkgver, strerror(rv));
goto out;
}
metafile = true;
}
/*
* If XBPS_PKGFILES or XBPS_PKGPROPS weren't found
* in the archive at this phase, skip all data.
*/
if (propsd == NULL || filesd == NULL) {
archive_read_data_skip(ar);
/*
* If we have processed 4 entries and the two
* required metadata files weren't found, bail out.
* This is not an XBPS binary package.
*/
if (entry_idx >= 3) {
xbps_set_cb_state(xhp,
XBPS_STATE_UNPACK_FAIL, ENODEV, pkgver,
"%s: [unpack] invalid binary package `%s'.",
pkgver, fname);
rv = ENODEV;
goto out;
}
entry_idx++;
continue;
}
/*
* Prepare unpack callback ops.
*/
if (xhp->unpack_cb != NULL) {
xucd.xhp = xhp;
xucd.pkgver = pkgver;
xucd.entry = entry_pname;
xucd.entry_size = entry_size;
xucd.entry_is_conf = false;
}
/*
* Compute total entries in progress data, if set.
* total_entries = files + conf_files + links.
*/
if (xhp->unpack_cb != NULL) {
xucd.entry_total_count = 0;
array = xbps_dictionary_get(filesd, "files");
xucd.entry_total_count +=
(ssize_t)xbps_array_count(array);
array = xbps_dictionary_get(filesd, "conf_files");
xucd.entry_total_count +=
(ssize_t)xbps_array_count(array);
array = xbps_dictionary_get(filesd, "links");
xucd.entry_total_count +=
(ssize_t)xbps_array_count(array);
}
/*
* Always check that extracted file exists and hash
* doesn't match, in that case overwrite the file.
* Otherwise skip extracting it.
*/
conf_file = skip_extract = file_exists = false;
if (lstat(entry_pname, &st) == 0)
file_exists = true;
if (!force && (entry_type == AE_IFREG)) {
buf = strchr(entry_pname, '.') + 1;
assert(buf != NULL);
if (file_exists) {
/*
* Handle configuration files. Check if current
* entry is a configuration file and take action
* if required. Skip packages that don't have
* "conf_files" array on its XBPS_PKGPROPS
* dictionary.
*/
if (xbps_entry_is_a_conf_file(propsd, buf)) {
conf_file = true;
if (xhp->unpack_cb != NULL)
xucd.entry_is_conf = true;
rv = xbps_entry_install_conf_file(xhp,
filesd, entry, entry_pname, pkgver,
pkgname);
if (rv == -1) {
/* error */
goto out;
} else if (rv == 0) {
/*
* Keep curfile as is.
*/
skip_extract = true;
}
} else {
rv = xbps_file_hash_check_dictionary(
xhp, filesd, "files", buf);
if (rv == -1) {
/* error */
xbps_dbg_printf(xhp,
"%s: failed to check"
" hash for `%s': %s\n",
pkgver, entry_pname,
strerror(errno));
goto out;
} else if (rv == 0) {
/*
* hash match, skip extraction.
*/
xbps_dbg_printf(xhp,
"%s: file %s "
"matches existing SHA256, "
"skipping...\n",
pkgver, entry_pname);
skip_extract = true;
}
}
}
} else if (!force && (entry_type == AE_IFLNK)) {
/*
* Check if current link from binpkg hasn't been
* modified, otherwise extract new link.
*/
buf = realpath(entry_pname, NULL);
if (buf) {
if (strcmp(xhp->rootdir, "/")) {
p = buf;
p += strlen(xhp->rootdir);
} else
p = buf;
tgtlnk = find_pkg_symlink_target(filesd,
entry_pname);
assert(tgtlnk);
if (strncmp(tgtlnk, "./", 2) == 0) {
buf2 = strdup(entry_pname);
assert(buf2);
dname = dirname(buf2);
p2 = xbps_xasprintf("%s/%s", dname, tgtlnk);
free(buf2);
} else {
p2 = strdup(tgtlnk);
assert(p2);
}
xbps_dbg_printf(xhp, "%s: symlink %s cur: %s "
"new: %s\n", pkgver, entry_pname, p, p2);
if (strcmp(p, p2) == 0) {
xbps_dbg_printf(xhp, "%s: symlink "
"%s matched, skipping...\n",
pkgver, entry_pname);
skip_extract = true;
}
free(buf);
free(p2);
}
}
/*
* Check if current file mode differs from file mode
* in binpkg and apply perms if true.
*/
if (!force && file_exists && skip_extract &&
(archive_entry_mode(entry) != st.st_mode)) {
if (chmod(entry_pname,
archive_entry_mode(entry)) != 0) {
xbps_dbg_printf(xhp,
"%s: failed "
"to set perms %s to %s: %s\n",
pkgver, archive_entry_strmode(entry),
entry_pname,
strerror(errno));
rv = EINVAL;
goto out;
}
xbps_dbg_printf(xhp, "%s: entry %s changed file "
"mode to %s.\n", pkgver, entry_pname,
archive_entry_strmode(entry));
}
/*
* Check if current uid/gid differs from file in binpkg,
* and change permissions if true.
*/
if ((!force && file_exists && skip_extract && (euid == 0)) &&
(((archive_entry_uid(entry) != st.st_uid)) ||
((archive_entry_gid(entry) != st.st_gid)))) {
if (lchown(entry_pname,
archive_entry_uid(entry),
archive_entry_gid(entry)) != 0) {
xbps_dbg_printf(xhp,
"%s: failed "
"to set uid/gid to %u:%u (%s)\n",
pkgver, archive_entry_uid(entry),
archive_entry_gid(entry),
strerror(errno));
} else {
xbps_dbg_printf(xhp, "%s: entry %s changed "
"uid/gid to %u:%u.\n", pkgver, entry_pname,
archive_entry_uid(entry),
archive_entry_gid(entry));
}
}
if (!update && conf_file && file_exists && !skip_extract) {
/*
* If installing new package preserve old configuration
* file but renaming it to <file>.old.
*/
buf = xbps_xasprintf("%s.old", entry_pname);
(void)rename(entry_pname, buf);
free(buf);
buf = NULL;
xbps_set_cb_state(xhp,
XBPS_STATE_CONFIG_FILE, 0, pkgver,
"Renamed old configuration file "
"`%s' to `%s.old'.", entry_pname, entry_pname);
}
if (!force && skip_extract) {
archive_read_data_skip(ar);
continue;
}
/*
* Reset entry_pname again because if entry's pathname
* has been changed it will become a dangling pointer.
*/
entry_pname = archive_entry_pathname(entry);
/*
* Extract entry from archive.
*/
if (archive_read_extract(ar, entry, flags) != 0) {
rv = archive_errno(ar);
xbps_set_cb_state(xhp, XBPS_STATE_UNPACK_FAIL,
rv, pkgver,
"%s: [unpack] failed to extract file `%s': %s",
pkgver, entry_pname, strerror(rv));
} else {
if (xhp->unpack_cb != NULL) {
xucd.entry_extract_count++;
(*xhp->unpack_cb)(&xucd, xhp->unpack_cb_data);
}
}
}
/*
* XXX: duplicate code.
* Create the metaplist file if it wasn't created before.
*/
if (propsd && filesd && !metafile) {
rv = create_pkg_metaplist(xhp, pkgname, pkgver,
propsd, filesd, instbuf, instbufsiz,
rembuf, rembufsiz);
if (rv != 0) {
xbps_set_cb_state(xhp, XBPS_STATE_UNPACK_FAIL,
rv, pkgver,
"%s: [unpack] failed to create metaplist file: %s",
pkgver, strerror(rv));
goto out;
}
}
/*
* If there was any error extracting files from archive, error out.
*/
if ((rv = archive_errno(ar)) != 0) {
xbps_set_cb_state(xhp, XBPS_STATE_UNPACK_FAIL,
rv, pkgver, NULL,
"%s: [unpack] failed to extract files: %s",
pkgver, fname, archive_error_string(ar));
goto out;
}
/*
* Skip checking for obsolete files on:
* - New package installation without "softreplace" keyword.
* - Package with "preserve" keyword.
* - Package with "skip-obsoletes" keyword.
*/
if (skip_obsoletes || preserve || (!softreplace && !update))
goto out;
/*
* Check and remove obsolete files on:
* - Package upgrade.
* - Package with "softreplace" keyword.
*/
old_filesd = xbps_pkgdb_get_pkg_metadata(xhp, pkgname);
if (old_filesd == NULL)
goto out;
obsoletes = xbps_find_pkg_obsoletes(xhp, old_filesd, filesd);
for (i = 0; i < xbps_array_count(obsoletes); i++) {
obj = xbps_array_get(obsoletes, i);
file = xbps_string_cstring_nocopy(obj);
if (remove(file) == -1) {
xbps_set_cb_state(xhp,
XBPS_STATE_REMOVE_FILE_OBSOLETE_FAIL,
errno, pkgver,
"%s: failed to remove obsolete entry `%s': %s",
pkgver, file, strerror(errno));
continue;
}
xbps_set_cb_state(xhp,
XBPS_STATE_REMOVE_FILE_OBSOLETE,
0, pkgver, "%s: removed obsolete entry: %s", pkgver, file);
xbps_object_release(obj);
}
xbps_object_release(old_filesd);
out:
if (xbps_object_type(filesd) == XBPS_TYPE_DICTIONARY)
xbps_object_release(filesd);
if (xbps_object_type(propsd) == XBPS_TYPE_DICTIONARY)
xbps_object_release(propsd);
if (pkgname != NULL)
free(pkgname);
if (instbuf != NULL)
free(instbuf);
if (rembuf != NULL)
free(rembuf);
return rv;
}
/*
* 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));
}
static int
entry_to_archive(struct cpio *cpio, struct archive_entry *entry)
{
const char *destpath = archive_entry_pathname(entry);
const char *srcpath = archive_entry_sourcepath(entry);
int fd = -1;
ssize_t bytes_read;
int r;
/* Print out the destination name to the user. */
if (cpio->verbose)
fprintf(stderr,"%s", destpath);
/*
* Option_link only makes sense in pass mode and for
* regular files. Also note: if a link operation fails
* because of cross-device restrictions, we'll fall back
* to copy mode for that entry.
*
* TODO: Test other cpio implementations to see if they
* hard-link anything other than regular files here.
*/
if (cpio->option_link
&& archive_entry_filetype(entry) == AE_IFREG)
{
struct archive_entry *t;
/* Save the original entry in case we need it later. */
t = archive_entry_clone(entry);
if (t == NULL)
lafe_errc(1, ENOMEM, "Can't create link");
/* Note: link(2) doesn't create parent directories,
* so we use archive_write_header() instead as a
* convenience. */
archive_entry_set_hardlink(t, srcpath);
/* This is a straight link that carries no data. */
archive_entry_set_size(t, 0);
r = archive_write_header(cpio->archive, t);
archive_entry_free(t);
if (r != ARCHIVE_OK)
lafe_warnc(archive_errno(cpio->archive),
"%s", archive_error_string(cpio->archive));
if (r == ARCHIVE_FATAL)
exit(1);
#ifdef EXDEV
if (r != ARCHIVE_OK && archive_errno(cpio->archive) == EXDEV) {
/* Cross-device link: Just fall through and use
* the original entry to copy the file over. */
lafe_warnc(0, "Copying file instead");
} else
#endif
return (0);
}
/*
* Make sure we can open the file (if necessary) before
* trying to write the header.
*/
if (archive_entry_filetype(entry) == AE_IFREG) {
if (archive_entry_size(entry) > 0) {
fd = open(srcpath, O_RDONLY | O_BINARY);
if (fd < 0) {
lafe_warnc(errno,
"%s: could not open file", srcpath);
goto cleanup;
}
}
} else {
archive_entry_set_size(entry, 0);
}
r = archive_write_header(cpio->archive, entry);
if (r != ARCHIVE_OK)
lafe_warnc(archive_errno(cpio->archive),
"%s: %s",
srcpath,
archive_error_string(cpio->archive));
if (r == ARCHIVE_FATAL)
exit(1);
if (r >= ARCHIVE_WARN && fd >= 0) {
bytes_read = read(fd, cpio->buff, cpio->buff_size);
while (bytes_read > 0) {
r = archive_write_data(cpio->archive,
cpio->buff, bytes_read);
if (r < 0)
lafe_errc(1, archive_errno(cpio->archive),
"%s", archive_error_string(cpio->archive));
if (r < bytes_read) {
lafe_warnc(0,
"Truncated write; file may have grown while being archived.");
}
bytes_read = read(fd, cpio->buff, cpio->buff_size);
}
}
fd = restore_time(cpio, entry, srcpath, fd);
cleanup:
if (cpio->verbose)
fprintf(stderr,"\n");
if (fd >= 0)
close(fd);
return (0);
}
/* ArchiveWriter::finish {{{
*
*/
ZEND_METHOD(ArchiveWriter, finish)
{
zval *this = getThis();
int resource_id;
HashPosition pos;
archive_file_t *arch;
archive_entry_t **entry;
int result, error_num;
const char *error_string;
mode_t mode;
php_stream *stream;
zend_error_handling error_handling;
zend_replace_error_handling(EH_THROW, ce_ArchiveException, &error_handling TSRMLS_CC);
if (!_archive_get_fd(this, &arch TSRMLS_CC)) {
zend_restore_error_handling(&error_handling TSRMLS_CC);
return;
}
if (zend_hash_sort(arch->entries, zend_qsort, _archive_pathname_compare, 0 TSRMLS_CC) == FAILURE) {
RETURN_FALSE;
}
zend_hash_internal_pointer_reset_ex(arch->entries, &pos);
while (zend_hash_get_current_data_ex(arch->entries, (void **)&entry, &pos) == SUCCESS) {
mode = archive_entry_mode((*entry)->entry);
if (S_ISREG(mode) && archive_entry_size((*entry)->entry) > 0) {
if ((stream = php_stream_open_wrapper_ex((*entry)->filename, "r", ENFORCE_SAFE_MODE | REPORT_ERRORS, NULL, NULL))) {
char buf[PHP_ARCHIVE_BUF_LEN];
int header_written=0;
int read_bytes;
while ((read_bytes = php_stream_read(stream, buf, PHP_ARCHIVE_BUF_LEN))) {
if (!header_written) {
/* write header only after the first successful read */
result = archive_write_header(arch->arch, (*entry)->entry);
if (result == ARCHIVE_FATAL) {
php_error_docref(NULL TSRMLS_CC, E_WARNING, "Failed to write entry header for file %s: fatal error", (*entry)->filename);
zend_restore_error_handling(&error_handling TSRMLS_CC);
return;
}
header_written = 1;
}
result = archive_write_data(arch->arch, buf, read_bytes);
if (result <= 0) {
error_num = archive_errno(arch->arch);
error_string = archive_error_string(arch->arch);
if (error_num && error_string) {
php_error_docref(NULL TSRMLS_CC, E_WARNING, "Failed to write file %s to archive: error #%d, %s", (*entry)->filename, error_num, error_string);
}
else {
php_error_docref(NULL TSRMLS_CC, E_WARNING, "Failed to write file %s: unknown error %d", (*entry)->filename, result);
}
php_stream_close(stream);
zend_restore_error_handling(&error_handling TSRMLS_CC);
return;
}
}
php_stream_close(stream);
}
}
else {
result = archive_write_header(arch->arch, (*entry)->entry);
if (result == ARCHIVE_FATAL) {
php_error_docref(NULL TSRMLS_CC, E_WARNING, "Failed to write entry header for file %s: fatal error", (*entry)->filename);
zend_restore_error_handling(&error_handling TSRMLS_CC);
return;
}
}
zend_hash_move_forward_ex(arch->entries, &pos);
}
if ((resource_id = _archive_get_rsrc_id(this TSRMLS_CC))) {
add_property_resource(this, "fd", 0);
zend_list_delete(resource_id);
zend_restore_error_handling(&error_handling TSRMLS_CC);
RETURN_TRUE;
}
php_error_docref(NULL TSRMLS_CC, E_WARNING, "Failed to finish writing of archive file");
zend_restore_error_handling(&error_handling TSRMLS_CC);
}
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_compression_all(a);
archive_read_support_format_all(a);
if (archive_read_open_file(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 (lafe_excluded(cpio->matching, archive_entry_pathname(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(stdout, "%s\n", destpath);
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(entry) > 0) {
r = extract_data(a, ext);
if (r != ARCHIVE_OK)
cpio->return_value = 1;
}
}
r = archive_read_close(a);
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_position_uncompressed(a) + 511)
/ 512;
fprintf(stderr, "%lu %s\n", (unsigned long)blocks,
blocks == 1 ? "block" : "blocks");
}
archive_read_finish(a);
archive_write_finish(ext);
exit(cpio->return_value);
}
bool Drumkit::install( const QString& path )
{
_INFOLOG( QString( "Install drumkit %1" ).arg( path ) );
#ifdef H2CORE_HAVE_LIBARCHIVE
int r;
struct archive* arch;
struct archive_entry* entry;
arch = archive_read_new();
#if ARCHIVE_VERSION_NUMBER < 3000000
archive_read_support_compression_all( arch );
#else
archive_read_support_filter_all( arch );
#endif
archive_read_support_format_all( arch );
#if ARCHIVE_VERSION_NUMBER < 3000000
if ( ( r = archive_read_open_file( arch, path.toLocal8Bit(), 10240 ) ) ) {
#else
if ( ( r = archive_read_open_filename( arch, path.toLocal8Bit(), 10240 ) ) ) {
#endif
_ERRORLOG( QString( "archive_read_open_file() [%1] %2" ).arg( archive_errno( arch ) ).arg( archive_error_string( arch ) ) );
archive_read_close( arch );
#if ARCHIVE_VERSION_NUMBER < 3000000
archive_read_finish( arch );
#else
archive_read_free( arch );
#endif
return false;
}
bool ret = true;
QString dk_dir = Filesystem::usr_drumkits_dir() + "/";
while ( ( r = archive_read_next_header( arch, &entry ) ) != ARCHIVE_EOF ) {
if ( r != ARCHIVE_OK ) {
_ERRORLOG( QString( "archive_read_next_header() [%1] %2" ).arg( archive_errno( arch ) ).arg( archive_error_string( arch ) ) );
ret = false;
break;
}
QString np = dk_dir + archive_entry_pathname( entry );
QByteArray newpath = np.toLocal8Bit();
archive_entry_set_pathname( entry, newpath.data() );
r = archive_read_extract( arch, entry, 0 );
if ( r == ARCHIVE_WARN ) {
_WARNINGLOG( QString( "archive_read_extract() [%1] %2" ).arg( archive_errno( arch ) ).arg( archive_error_string( arch ) ) );
} else if ( r != ARCHIVE_OK ) {
_ERRORLOG( QString( "archive_read_extract() [%1] %2" ).arg( archive_errno( arch ) ).arg( archive_error_string( arch ) ) );
ret = false;
break;
}
}
archive_read_close( arch );
#if ARCHIVE_VERSION_NUMBER < 3000000
archive_read_finish( arch );
#else
archive_read_free( arch );
#endif
return ret;
#else // H2CORE_HAVE_LIBARCHIVE
#ifndef WIN32
// GUNZIP
QString gzd_name = path.left( path.indexOf( "." ) ) + ".tar";
FILE* gzd_file = fopen( gzd_name.toLocal8Bit(), "wb" );
gzFile gzip_file = gzopen( path.toLocal8Bit(), "rb" );
if ( !gzip_file ) {
_ERRORLOG( QString( "Error reading drumkit file: %1" ).arg( path ) );
gzclose( gzip_file );
fclose( gzd_file );
return false;
}
uchar buf[4096];
while ( gzread( gzip_file, buf, 4096 ) > 0 ) {
fwrite( buf, sizeof( uchar ), 4096, gzd_file );
}
gzclose( gzip_file );
fclose( gzd_file );
// UNTAR
TAR* tar_file;
QByteArray tar_path = gzd_name.toLocal8Bit();
if ( tar_open( &tar_file, tar_path.data(), NULL, O_RDONLY, 0, TAR_GNU ) == -1 ) {
_ERRORLOG( QString( "tar_open(): %1" ).arg( QString::fromLocal8Bit( strerror( errno ) ) ) );
return false;
}
bool ret = true;
char dst_dir[1024];
QString dk_dir = Filesystem::usr_drumkits_dir() + "/";
strncpy( dst_dir, dk_dir.toLocal8Bit(), 1024 );
if ( tar_extract_all( tar_file, dst_dir ) != 0 ) {
_ERRORLOG( QString( "tar_extract_all(): %1" ).arg( QString::fromLocal8Bit( strerror( errno ) ) ) );
ret = false;
}
if ( tar_close( tar_file ) != 0 ) {
_ERRORLOG( QString( "tar_close(): %1" ).arg( QString::fromLocal8Bit( strerror( errno ) ) ) );
ret = false;
}
return ret;
#else // WIN32
_ERRORLOG( "WIN32 NOT IMPLEMENTED" );
return false;
#endif
#endif
}
};
/*
* Add the file or dir hierarchy named by 'path' to the archive
*/
static void
write_hierarchy(struct bsdtar *bsdtar, struct archive *a, const char *path)
{
struct archive_entry *entry = NULL, *spare_entry = NULL;
struct tree *tree;
char symlink_mode = bsdtar->symlink_mode;
dev_t first_dev = 0;
int dev_recorded = 0;
int tree_ret;
tree = tree_open(path);
if (!tree) {
lafe_warnc(errno, "%s: Cannot open", path);
bsdtar->return_value = 1;
return;
}
while ((tree_ret = tree_next(tree)) != 0) {
int r;
const char *name = tree_current_path(tree);
const struct stat *st = NULL; /* info to use for this entry */
const struct stat *lst = NULL; /* lstat() information */
int descend;
if (tree_ret == TREE_ERROR_FATAL)
lafe_errc(1, tree_errno(tree),
"%s: Unable to continue traversing directory tree",
name);
if (tree_ret == TREE_ERROR_DIR) {
lafe_warnc(errno,
"%s: Couldn't visit directory", name);
bsdtar->return_value = 1;
}
if (tree_ret != TREE_REGULAR)
continue;
/*
* If this file/dir is excluded by a filename
* pattern, skip it.
*/
if (lafe_excluded(bsdtar->matching, name))
continue;
/*
* Get lstat() info from the tree library.
*/
lst = tree_current_lstat(tree);
if (lst == NULL) {
/* Couldn't lstat(); must not exist. */
lafe_warnc(errno, "%s: Cannot stat", name);
/* Return error if files disappear during traverse. */
bsdtar->return_value = 1;
continue;
}
/*
* Distinguish 'L'/'P'/'H' symlink following.
*/
switch(symlink_mode) {
case 'H':
/* 'H': After the first item, rest like 'P'. */
symlink_mode = 'P';
/* 'H': First item (from command line) like 'L'. */
/* FALLTHROUGH */
case 'L':
/* 'L': Do descend through a symlink to dir. */
descend = tree_current_is_dir(tree);
/* 'L': Follow symlinks to files. */
archive_read_disk_set_symlink_logical(bsdtar->diskreader);
/* 'L': Archive symlinks as targets, if we can. */
st = tree_current_stat(tree);
if (st != NULL)
break;
/* If stat fails, we have a broken symlink;
* in that case, don't follow the link. */
/* FALLTHROUGH */
default:
/* 'P': Don't descend through a symlink to dir. */
descend = tree_current_is_physical_dir(tree);
/* 'P': Don't follow symlinks to files. */
archive_read_disk_set_symlink_physical(bsdtar->diskreader);
/* 'P': Archive symlinks as symlinks. */
st = lst;
break;
}
if (bsdtar->option_no_subdirs)
descend = 0;
/*
* Are we about to cross to a new filesystem?
*/
if (!dev_recorded) {
/* This is the initial file system. */
first_dev = lst->st_dev;
dev_recorded = 1;
} else if (lst->st_dev == first_dev) {
/* The starting file system is always acceptable. */
} else if (descend == 0) {
/* We're not descending, so no need to check. */
} else if (bsdtar->option_dont_traverse_mounts) {
descend = 0;
} else {
/* We're prepared to cross a mount point. */
/* XXX TODO: check whether this filesystem is
* synthetic and/or local. Add a new
* --local-only option to skip non-local
* filesystems. Skip synthetic filesystems
* regardless.
*
* The results should be cached, since
* tree.c doesn't usually visit a directory
* and the directory contents together. A simple
* move-to-front list should perform quite well.
*
* This is going to be heavily OS dependent:
* FreeBSD's statfs() in conjunction with getvfsbyname()
* provides all of this; NetBSD's statvfs() does
* most of it; other systems will vary.
*/
}
/*
* In -u mode, check that the file is newer than what's
* already in the archive; in all modes, obey --newerXXX flags.
*/
if (!new_enough(bsdtar, name, st)) {
if (!descend)
continue;
if (bsdtar->option_interactive &&
!yes("add '%s'", name))
continue;
tree_descend(tree);
continue;
}
archive_entry_free(entry);
entry = archive_entry_new();
archive_entry_set_pathname(entry, name);
archive_entry_copy_sourcepath(entry,
tree_current_access_path(tree));
/* Populate the archive_entry with metadata from the disk. */
/* XXX TODO: Arrange to open a regular file before
* calling this so we can pass in an fd and shorten
* the race to query metadata. The linkify dance
* makes this more complex than it might sound. */
#if defined(_WIN32) && !defined(__CYGWIN__)
/* TODO: tree.c uses stat(), which is badly broken
* on Windows. To fix this, we should
* deprecate tree_current_stat() and provide a new
* call tree_populate_entry(t, entry). This call
* would use stat() internally on POSIX and
* GetInfoByFileHandle() internally on Windows.
* This would be another step towards a tree-walker
* that can be integrated deep into libarchive.
* For now, just set st to NULL on Windows;
* archive_read_disk_entry_from_file() should
* be smart enough to use platform-appropriate
* ways to probe file information.
*/
st = NULL;
#endif
r = archive_read_disk_entry_from_file(bsdtar->diskreader,
entry, -1, st);
if (bsdtar->uid >= 0) {
archive_entry_set_uid(entry, bsdtar->uid);
if (!bsdtar->uname)
archive_entry_set_uname(entry,
archive_read_disk_uname(bsdtar->diskreader,
bsdtar->uid));
}
if (bsdtar->gid >= 0) {
archive_entry_set_gid(entry, bsdtar->gid);
if (!bsdtar->gname)
archive_entry_set_gname(entry,
archive_read_disk_gname(bsdtar->diskreader,
bsdtar->gid));
}
if (bsdtar->uname)
archive_entry_set_uname(entry, bsdtar->uname);
if (bsdtar->gname)
archive_entry_set_gname(entry, bsdtar->gname);
if (r != ARCHIVE_OK)
lafe_warnc(archive_errno(bsdtar->diskreader),
"%s", archive_error_string(bsdtar->diskreader));
if (r < ARCHIVE_WARN)
continue;
/* XXX TODO: Just use flag data from entry; avoid the
* duplicate check here. */
/*
* If this file/dir is flagged "nodump" and we're
* honoring such flags, skip this file/dir.
*/
#if defined(HAVE_STRUCT_STAT_ST_FLAGS) && defined(UF_NODUMP)
/* BSD systems store flags in struct stat */
if (bsdtar->option_honor_nodump &&
(lst->st_flags & UF_NODUMP))
continue;
#endif
#if defined(EXT2_IOC_GETFLAGS) && defined(EXT2_NODUMP_FL)
/* Linux uses ioctl to read flags. */
if (bsdtar->option_honor_nodump) {
int fd = open(name, O_RDONLY | O_NONBLOCK | O_BINARY);
if (fd >= 0) {
unsigned long fflags;
int r = ioctl(fd, EXT2_IOC_GETFLAGS, &fflags);
close(fd);
if (r >= 0 && (fflags & EXT2_NODUMP_FL))
continue;
}
}
#endif
#ifdef __APPLE__
if (bsdtar->enable_copyfile) {
/* If we're using copyfile(), ignore "._XXX" files. */
const char *bname = strrchr(name, '/');
if (bname == NULL)
bname = name;
else
++bname;
if (bname[0] == '.' && bname[1] == '_')
continue;
} else {
/* If not, drop the copyfile() data. */
archive_entry_copy_mac_metadata(entry, NULL, 0);
}
#endif
/*
* If the user vetoes this file/directory, skip it.
* We want this to be fairly late; if some other
* check would veto this file, we shouldn't bother
* the user with it.
*/
if (bsdtar->option_interactive &&
!yes("add '%s'", name))
continue;
if (descend)
tree_descend(tree);
/*
* Rewrite the pathname to be archived. If rewrite
* fails, skip the entry.
*/
if (edit_pathname(bsdtar, entry))
continue;
/* Display entry as we process it.
* This format is required by SUSv2. */
if (bsdtar->verbose)
safe_fprintf(stderr, "a %s",
archive_entry_pathname(entry));
/* Non-regular files get archived with zero size. */
if (archive_entry_filetype(entry) != AE_IFREG)
archive_entry_set_size(entry, 0);
archive_entry_linkify(bsdtar->resolver, &entry, &spare_entry);
while (entry != NULL) {
write_file(bsdtar, a, entry);
archive_entry_free(entry);
entry = spare_entry;
spare_entry = NULL;
}
if (bsdtar->verbose)
fprintf(stderr, "\n");
}
archive_entry_free(entry);
tree_close(tree);
}