* along with wimlib; if not, see http://www.gnu.org/licenses/.
*/
-#include "wimlib_internal.h"
+#ifdef HAVE_CONFIG_H
+# include "config.h"
+#endif
+
+#include "wimlib.h"
+#include "wimlib/error.h"
#ifdef WITH_FUSE
# error "FUSE mount not supported on Win32! Please configure --without-fuse"
#endif
-#include "buffer_io.h"
-#include "lookup_table.h"
-#include "sha1.h"
-#include "timestamp.h"
-#include "xml.h"
+#include "wimlib/encoding.h"
+#include "wimlib/file_io.h"
+#include "wimlib/lookup_table.h"
+#include "wimlib/metadata.h"
+#include "wimlib/paths.h"
+#include "wimlib/reparse.h"
+#include "wimlib/resource.h"
+#include "wimlib/swm.h"
+#include "wimlib/timestamp.h"
+#include "wimlib/version.h"
+#include "wimlib/write.h"
+#include "wimlib/xml.h"
#include <errno.h>
#include <ftw.h>
#define WIMFS_CTX(fuse_ctx) ((struct wimfs_context*)(fuse_ctx)->private_data)
static inline struct wimfs_context *
-wimfs_get_context()
+wimfs_get_context(void)
{
return WIMFS_CTX(fuse_get_context());
}
static inline WIMStruct *
-wimfs_get_WIMStruct()
+wimfs_get_WIMStruct(void)
{
return wimfs_get_context()->wim;
}
return open_flags & (O_RDWR | O_WRONLY);
}
-/* Like pread(), but keep trying until everything has been read or we know for
- * sure that there was an error. */
-static ssize_t
-full_pread(int fd, void *buf, size_t count, off_t offset)
-{
- ssize_t bytes_remaining = count;
- ssize_t bytes_read;
-
- while (bytes_remaining > 0) {
- bytes_read = pread(fd, buf, bytes_remaining, offset);
- if (bytes_read <= 0) {
- if (bytes_read < 0) {
- if (errno == EINTR)
- continue;
- } else {
- errno = EIO;
- }
- break;
- }
- bytes_remaining -= bytes_read;
- buf += bytes_read;
- offset += bytes_read;
- }
- return count - bytes_remaining;
-}
-
-/* Like pwrite(), but keep trying until everything has been written or we know
- * for sure that there was an error. */
-static ssize_t
-full_pwrite(int fd, const void *buf, size_t count, off_t offset)
-{
- ssize_t bytes_remaining = count;
- ssize_t bytes_written;
-
- while (bytes_remaining > 0) {
- bytes_written = pwrite(fd, buf, bytes_remaining, offset);
- if (bytes_written < 0) {
- if (errno == EINTR)
- continue;
- break;
- }
- bytes_remaining -= bytes_written;
- buf += bytes_written;
- offset += bytes_written;
- }
- return count - bytes_remaining;
-}
-
/*
* Allocate a file descriptor for a stream.
*
u32 cur_version;
u32 msg_type;
u32 msg_size;
-} PACKED;
+} _packed_attribute;
struct msg_unmount_request {
struct unmount_msg_hdr hdr;
u32 unmount_flags;
u8 want_progress_messages;
-} PACKED;
+} _packed_attribute;
struct msg_daemon_info {
struct unmount_msg_hdr hdr;
pid_t daemon_pid;
u32 mount_flags;
-} PACKED;
+} _packed_attribute;
struct msg_unmount_finished {
struct unmount_msg_hdr hdr;
- int32_t status;
-} PACKED;
+ s32 status;
+} _packed_attribute;
struct msg_write_streams_progress {
struct unmount_msg_hdr hdr;
union wimlib_progress_info info;
-} PACKED;
+} _packed_attribute;
enum {
MSG_TYPE_UNMOUNT_REQUEST,
* daemon to finish writing the WIM file.
*/
static int
-execute_fusermount(const char *dir)
+execute_fusermount(const char *dir, bool lazy)
{
pid_t pid;
int ret;
}
if (pid == 0) {
/* Child */
- execlp("fusermount", "fusermount", "-u", dir, NULL);
+ char *argv[10];
+ char **argp = argv;
+ *argp++ = "fusermount";
+ if (lazy)
+ *argp++ = "-z";
+ *argp++ = "-u";
+ *argp++ = (char*)dir;
+ *argp = NULL;
+ execvp("fusermount", argv);
ERROR_WITH_ERRNO("Failed to execute `fusermount'");
exit(WIMLIB_ERR_FUSERMOUNT);
}
}
if (pid == 0) {
/* Child */
- execlp("umount", "umount", dir, NULL);
+ char *argv[10];
+ char **argp = argv;
+ *argp++ = "umount";
+ if (lazy)
+ *argp++ = "-l";
+ *argp++ = (char*)dir;
+ *argp = NULL;
+ execvp("umount", argv);
ERROR_WITH_ERRNO("Failed to execute `umount'");
exit(WIMLIB_ERR_FUSERMOUNT);
}
if (res_size > size)
return -ERANGE;
- ret = read_full_resource_into_buf(lte, value, true);
- if (ret != 0)
+ ret = read_full_resource_into_buf(lte, value);
+ if (ret)
return -EIO;
return res_size;
break;
case RESOURCE_IN_WIM:
if (read_partial_wim_resource_into_buf(fd->f_lte, size,
- offset, buf, true))
+ offset, buf))
ret = -errno;
else
ret = size;
static int
wimfs_rename(const char *from, const char *to)
{
- struct wim_dentry *src;
- struct wim_dentry *dst;
- struct wim_dentry *parent_of_dst;
- WIMStruct *w = wimfs_get_WIMStruct();
- int ret;
-
- /* This rename() implementation currently only supports actual files
- * (not alternate data streams) */
-
- src = get_dentry(w, from);
- if (!src)
- return -errno;
-
- dst = get_dentry(w, to);
-
- if (dst) {
- /* Destination file exists */
-
- if (src == dst) /* Same file */
- return 0;
-
- if (!dentry_is_directory(src)) {
- /* Cannot rename non-directory to directory. */
- if (dentry_is_directory(dst))
- return -EISDIR;
- } else {
- /* Cannot rename directory to a non-directory or a non-empty
- * directory */
- if (!dentry_is_directory(dst))
- return -ENOTDIR;
- if (inode_has_children(dst->d_inode))
- return -ENOTEMPTY;
- }
- parent_of_dst = dst->parent;
- } else {
- /* Destination does not exist */
- parent_of_dst = get_parent_dentry(w, to);
- if (!parent_of_dst)
- return -errno;
-
- if (!dentry_is_directory(parent_of_dst))
- return -ENOTDIR;
- }
-
- ret = set_dentry_name(src, path_basename(to));
- if (ret != 0)
- return -ENOMEM;
- if (dst)
- remove_dentry(dst, w->lookup_table);
- unlink_dentry(src);
- dentry_add_child(parent_of_dst, src);
- return 0;
+ return rename_wim_path(wimfs_get_WIMStruct(), from, to);
}
/* Remove a directory */
char *argv[16];
int ret;
char *dir_copy;
- struct wim_lookup_table *joined_tab, *wim_tab_save;
struct wim_image_metadata *imd;
struct wimfs_context ctx;
struct wim_inode *inode;
DEBUG("Mount: wim = %p, image = %d, dir = %s, flags = %d, ",
wim, image, dir, mount_flags);
- if (!wim || !dir)
- return WIMLIB_ERR_INVALID_PARAM;
+ if (!wim || !dir) {
+ ret = WIMLIB_ERR_INVALID_PARAM;
+ goto out;
+ }
ret = verify_swm_set(wim, additional_swms, num_additional_swms);
if (ret)
- return ret;
+ goto out;
if ((mount_flags & WIMLIB_MOUNT_FLAG_READWRITE) && (wim->hdr.total_parts != 1)) {
ERROR("Cannot mount a split WIM read-write");
- return WIMLIB_ERR_SPLIT_UNSUPPORTED;
+ ret = WIMLIB_ERR_SPLIT_UNSUPPORTED;
+ goto out;
}
- if (num_additional_swms) {
- ret = new_joined_lookup_table(wim, additional_swms,
- num_additional_swms,
- &joined_tab);
- if (ret)
- return ret;
- wim_tab_save = wim->lookup_table;
- wim->lookup_table = joined_tab;
- }
+ if (num_additional_swms)
+ merge_lookup_tables(wim, additional_swms, num_additional_swms);
if (mount_flags & WIMLIB_MOUNT_FLAG_READWRITE) {
ret = wim_run_full_verifications(wim);
if (ret)
- goto out;
+ goto out_restore_lookup_table;
}
ret = wim_checksum_unhashed_streams(wim);
if (ret)
- goto out;
+ goto out_restore_lookup_table;
ret = select_wim_image(wim, image);
if (ret)
- goto out;
+ goto out_restore_lookup_table;
DEBUG("Selected image %d", image);
ERROR("Cannot mount image that was just exported with "
"wimlib_export_image()");
ret = WIMLIB_ERR_INVALID_PARAM;
- goto out;
+ goto out_restore_lookup_table;
}
if (imd->modified) {
ERROR("Cannot mount image that was added "
"with wimlib_add_image()");
ret = WIMLIB_ERR_INVALID_PARAM;
- goto out;
+ goto out_restore_lookup_table;
}
if (mount_flags & WIMLIB_MOUNT_FLAG_READWRITE) {
- ret = lock_wim(wim, wim->fp);
+ ret = lock_wim(wim, wim->in_fd);
if (ret)
- goto out;
+ goto out_restore_lookup_table;
}
/* Use default stream interface if one was not specified */
wim->wim_locked = 0;
out_free_message_queue_names:
free_message_queue_names(&ctx);
+out_restore_lookup_table:
+ if (num_additional_swms)
+ unmerge_lookup_table(wim);
out:
- if (num_additional_swms) {
- free_lookup_table(wim->lookup_table);
- wim->lookup_table = wim_tab_save;
- }
return ret;
}
if (ret != 0)
goto out_close_message_queues;
- ret = execute_fusermount(dir);
+ ret = execute_fusermount(dir, (unmount_flags & WIMLIB_UNMOUNT_FLAG_LAZY) != 0);
if (ret != 0)
goto out_close_message_queues;
static int
-mount_unsupported_error()
+mount_unsupported_error(void)
{
#if defined(__WIN32__)
ERROR("Sorry-- Mounting WIM images is not supported on Windows!");