* 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 0;
}
+static mode_t
+fuse_mask_mode(mode_t mode, struct fuse_context *fuse_ctx)
+{
+#if FUSE_MAJOR_VERSION > 2 || (FUSE_MAJOR_VERSION == 2 && FUSE_MINOR_VERSION >= 8)
+ mode &= ~fuse_ctx->umask;
+#endif
+ return mode;
+}
+
/*
* Add a new dentry with a new inode to a WIM image.
*
if (inode_set_unix_data(new->d_inode,
fuse_ctx->uid,
fuse_ctx->gid,
- mode & ~fuse_ctx->umask,
+ fuse_mask_mode(mode, fuse_ctx),
wimfs_ctx->wim->lookup_table,
UNIX_DATA_ALL | UNIX_DATA_CREATE))
{
lookup_table_insert_unhashed(ctx->wim->lookup_table, new_lte,
inode, stream_id);
+ *retrieve_lte_pointer(new_lte) = new_lte;
*lte = new_lte;
return 0;
out_revert_fd_changes:
image_for_each_unhashed_stream_safe(lte, tmp, imd) {
wimlib_assert(lte->unhashed);
if (wim_resource_size(lte) == 0) {
- print_lookup_table_entry(lte, stderr);
struct wim_lookup_table_entry **back_ptr;
back_ptr = retrieve_lte_pointer(lte);
*back_ptr = NULL;
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,
return 0;
}
-#if 0
-static int wimfs_access(const char *path, int mask)
-{
- return -ENOSYS;
-}
-#endif
-
static int
wimfs_chmod(const char *path, mode_t mask)
{
}
}
-#if 0
-static int wimfs_fallocate(const char *path, int mode,
- off_t offset, off_t len, struct fuse_file_info *fi)
-{
- struct wimfs_fd *fd = (struct wimfs_fd*)(uintptr_t)fi->fh;
- wimlib_assert(fd->staging_fd != -1);
- return fallocate(fd->staging_fd, mode, offset, len);
-}
-
-#endif
-
static int
wimfs_fgetattr(const char *path, struct stat *stbuf,
struct fuse_file_info *fi)
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;
ret = lookup_resource(ctx->wim, path, get_lookup_flags(ctx),
&dentry, <e, &stream_idx);
- if (ret != 0)
+ if (ret)
return ret;
inode = dentry->d_inode;
u64 size = (lte) ? wim_resource_size(lte) : 0;
ret = extract_resource_to_staging_dir(inode, stream_id,
<e, size, ctx);
- if (ret != 0)
+ if (ret)
return ret;
*back_ptr = lte;
}
- print_lookup_table_entry(lte, stderr);
ret = alloc_wimfs_fd(inode, stream_id, lte, &fd,
wimfs_ctx_readonly(ctx));
- if (ret != 0)
+ if (ret)
return ret;
if (lte && lte->resource_location == RESOURCE_IN_STAGING_FILE) {
if (!fd)
return -EBADF;
- if (!fd->f_lte) /* Empty stream with no lookup table entry */
+ if (size == 0)
return 0;
- res_size = wim_resource_size(fd->f_lte);
+ if (fd->f_lte)
+ res_size = wim_resource_size(fd->f_lte);
+ else
+ res_size = 0;
+
if (offset > res_size)
return -EOVERFLOW;
- size = min(size, INT_MAX);
+
size = min(size, res_size - offset);
+ if (size == 0)
+ return 0;
switch (fd->f_lte->resource_location) {
case RESOURCE_IN_STAGING_FILE:
- ret = pread(fd->staging_fd, buf, size, offset);
- if (ret < 0)
+ ret = full_pread(fd->staging_fd, buf, size, offset);
+ if (ret != size)
ret = -errno;
break;
case RESOURCE_IN_WIM:
if (read_partial_wim_resource_into_buf(fd->f_lte, size,
- offset, buf, true))
+ offset, buf))
ret = -errno;
- ret = size;
+ else
+ ret = size;
break;
case RESOURCE_IN_ATTACHED_BUFFER:
memcpy(buf, fd->f_lte->attached_buffer + offset, size);
return -errno;
if (!inode_is_symlink(inode))
return -EINVAL;
-
- ret = inode_readlink(inode, buf, buf_len, ctx->wim, true);
- if (ret > 0)
+ if (buf_len == 0)
+ return -ENAMETOOLONG;
+ ret = wim_inode_readlink(inode, buf, buf_len - 1);
+ if (ret >= 0) {
+ wimlib_assert(ret <= buf_len - 1);
+ buf[ret] = '\0';
ret = 0;
+ } else if (ret == -ENAMETOOLONG) {
+ buf[buf_len - 1] = '\0';
+ }
return ret;
}
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 */
FILE_ATTRIBUTE_REPARSE_POINT, &dentry);
if (ret == 0) {
dentry->d_inode->i_reparse_tag = WIM_IO_REPARSE_TAG_SYMLINK;
- if (inode_set_symlink(dentry->d_inode, to,
- wimfs_ctx->wim->lookup_table, NULL))
- {
+ ret = wim_inode_set_symlink(dentry->d_inode, to,
+ wimfs_ctx->wim->lookup_table);
+ if (ret) {
remove_dentry(dentry, wimfs_ctx->wim->lookup_table);
- ret = -ENOMEM;
+ if (ret == WIMLIB_ERR_NOMEM)
+ ret = -ENOMEM;
+ else
+ ret = -EIO;
}
}
return ret;
} else {
/* File in WIM. Extract it to the staging directory, but only
* the first @size bytes of it. */
+ struct wim_lookup_table_entry **back_ptr;
+
inode = dentry->d_inode;
- if (stream_idx == 0)
+ if (stream_idx == 0) {
stream_id = 0;
- else
+ back_ptr = &inode->i_lte;
+ } else {
stream_id = inode->i_ads_entries[stream_idx - 1].stream_id;
+ back_ptr = &inode->i_ads_entries[stream_idx - 1].lte;
+ }
ret = extract_resource_to_staging_dir(inode, stream_id,
<e, size, ctx);
+ *back_ptr = lte;
}
return ret;
}
wimlib_assert(fd->f_inode != NULL);
/* Write the data. */
- ret = pwrite(fd->staging_fd, buf, size, offset);
- if (ret == -1)
+ ret = full_pwrite(fd->staging_fd, buf, size, offset);
+ if (ret != size)
return -errno;
/* Update file size */
}
static struct fuse_operations wimfs_operations = {
-#if 0
- .access = wimfs_access,
-#endif
.chmod = wimfs_chmod,
.chown = wimfs_chown,
.destroy = wimfs_destroy,
-#if 0
- .fallocate = wimfs_fallocate,
-#endif
.fgetattr = wimfs_fgetattr,
.ftruncate = wimfs_ftruncate,
.getattr = wimfs_getattr,
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 */
WIMLIB_MOUNT_FLAG_STREAM_INTERFACE_WINDOWS)))
mount_flags |= WIMLIB_MOUNT_FLAG_STREAM_INTERFACE_XATTR;
-
DEBUG("Initializing struct wimfs_context");
init_wimfs_context(&ctx);
ctx.wim = wim;
#endif
/* Mark dentry tree as modified if read-write mount. */
- if (mount_flags & WIMLIB_MOUNT_FLAG_READWRITE) {
+ if (mount_flags & WIMLIB_MOUNT_FLAG_READWRITE)
imd->modified = 1;
- imd->has_been_mounted_rw = 1;
- }
/* Resolve the lookup table entries for every inode in the image, and
* assign inode numbers */
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;
}
static int
-mount_unsupported_error()
+mount_unsupported_error(void)
{
#if defined(__WIN32__)
ERROR("Sorry-- Mounting WIM images is not supported on Windows!");
git://wimlib.net / wimlib / blobdiff