mirror of
https://github.com/samba-team/samba.git
synced 2024-12-23 17:34:34 +03:00
6f657c873e
Michael
(This used to be commit df929796f2
)
1466 lines
39 KiB
C
1466 lines
39 KiB
C
/*
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Unix SMB/CIFS implementation.
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Wrap disk only vfs functions to sidestep dodgy compilers.
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Copyright (C) Tim Potter 1998
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Copyright (C) Jeremy Allison 2007
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "includes.h"
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#undef DBGC_CLASS
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#define DBGC_CLASS DBGC_VFS
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/* Check for NULL pointer parameters in vfswrap_* functions */
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/* We don't want to have NULL function pointers lying around. Someone
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is sure to try and execute them. These stubs are used to prevent
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this possibility. */
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static int vfswrap_connect(vfs_handle_struct *handle, const char *service, const char *user)
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{
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return 0; /* Return >= 0 for success */
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}
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static void vfswrap_disconnect(vfs_handle_struct *handle)
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{
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}
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/* Disk operations */
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static SMB_BIG_UINT vfswrap_disk_free(vfs_handle_struct *handle, const char *path, bool small_query, SMB_BIG_UINT *bsize,
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SMB_BIG_UINT *dfree, SMB_BIG_UINT *dsize)
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{
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SMB_BIG_UINT result;
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result = sys_disk_free(handle->conn, path, small_query, bsize, dfree, dsize);
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return result;
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}
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static int vfswrap_get_quota(struct vfs_handle_struct *handle, enum SMB_QUOTA_TYPE qtype, unid_t id, SMB_DISK_QUOTA *qt)
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{
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#ifdef HAVE_SYS_QUOTAS
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int result;
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START_PROFILE(syscall_get_quota);
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result = sys_get_quota(handle->conn->connectpath, qtype, id, qt);
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END_PROFILE(syscall_get_quota);
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return result;
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#else
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errno = ENOSYS;
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return -1;
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#endif
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}
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static int vfswrap_set_quota(struct vfs_handle_struct *handle, enum SMB_QUOTA_TYPE qtype, unid_t id, SMB_DISK_QUOTA *qt)
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{
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#ifdef HAVE_SYS_QUOTAS
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int result;
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START_PROFILE(syscall_set_quota);
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result = sys_set_quota(handle->conn->connectpath, qtype, id, qt);
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END_PROFILE(syscall_set_quota);
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return result;
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#else
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errno = ENOSYS;
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return -1;
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#endif
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}
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static int vfswrap_get_shadow_copy_data(struct vfs_handle_struct *handle, struct files_struct *fsp, SHADOW_COPY_DATA *shadow_copy_data, bool labels)
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{
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errno = ENOSYS;
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return -1; /* Not implemented. */
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}
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static int vfswrap_statvfs(struct vfs_handle_struct *handle, const char *path, vfs_statvfs_struct *statbuf)
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{
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return sys_statvfs(path, statbuf);
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}
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/* Directory operations */
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static SMB_STRUCT_DIR *vfswrap_opendir(vfs_handle_struct *handle, const char *fname, const char *mask, uint32 attr)
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{
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SMB_STRUCT_DIR *result;
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START_PROFILE(syscall_opendir);
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result = sys_opendir(fname);
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END_PROFILE(syscall_opendir);
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return result;
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}
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static SMB_STRUCT_DIRENT *vfswrap_readdir(vfs_handle_struct *handle, SMB_STRUCT_DIR *dirp)
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{
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SMB_STRUCT_DIRENT *result;
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START_PROFILE(syscall_readdir);
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result = sys_readdir(dirp);
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END_PROFILE(syscall_readdir);
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return result;
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}
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static void vfswrap_seekdir(vfs_handle_struct *handle, SMB_STRUCT_DIR *dirp, long offset)
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{
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START_PROFILE(syscall_seekdir);
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sys_seekdir(dirp, offset);
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END_PROFILE(syscall_seekdir);
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}
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static long vfswrap_telldir(vfs_handle_struct *handle, SMB_STRUCT_DIR *dirp)
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{
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long result;
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START_PROFILE(syscall_telldir);
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result = sys_telldir(dirp);
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END_PROFILE(syscall_telldir);
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return result;
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}
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static void vfswrap_rewinddir(vfs_handle_struct *handle, SMB_STRUCT_DIR *dirp)
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{
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START_PROFILE(syscall_rewinddir);
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sys_rewinddir(dirp);
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END_PROFILE(syscall_rewinddir);
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}
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static int vfswrap_mkdir(vfs_handle_struct *handle, const char *path, mode_t mode)
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{
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int result;
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bool has_dacl = False;
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START_PROFILE(syscall_mkdir);
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if (lp_inherit_acls(SNUM(handle->conn)) && (has_dacl = directory_has_default_acl(handle->conn, parent_dirname(path))))
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mode = 0777;
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result = mkdir(path, mode);
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if (result == 0 && !has_dacl) {
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/*
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* We need to do this as the default behavior of POSIX ACLs
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* is to set the mask to be the requested group permission
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* bits, not the group permission bits to be the requested
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* group permission bits. This is not what we want, as it will
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* mess up any inherited ACL bits that were set. JRA.
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*/
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int saved_errno = errno; /* We may get ENOSYS */
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if ((SMB_VFS_CHMOD_ACL(handle->conn, path, mode) == -1) && (errno == ENOSYS))
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errno = saved_errno;
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}
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END_PROFILE(syscall_mkdir);
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return result;
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}
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static int vfswrap_rmdir(vfs_handle_struct *handle, const char *path)
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{
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int result;
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START_PROFILE(syscall_rmdir);
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result = rmdir(path);
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END_PROFILE(syscall_rmdir);
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return result;
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}
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static int vfswrap_closedir(vfs_handle_struct *handle, SMB_STRUCT_DIR *dirp)
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{
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int result;
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START_PROFILE(syscall_closedir);
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result = sys_closedir(dirp);
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END_PROFILE(syscall_closedir);
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return result;
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}
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/* File operations */
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static int vfswrap_open(vfs_handle_struct *handle, const char *fname,
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files_struct *fsp, int flags, mode_t mode)
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{
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int result;
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START_PROFILE(syscall_open);
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result = sys_open(fname, flags, mode);
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END_PROFILE(syscall_open);
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return result;
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}
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static int vfswrap_close(vfs_handle_struct *handle, files_struct *fsp, int fd)
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{
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int result;
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START_PROFILE(syscall_close);
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result = close(fd);
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END_PROFILE(syscall_close);
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return result;
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}
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static ssize_t vfswrap_read(vfs_handle_struct *handle, files_struct *fsp, int fd, void *data, size_t n)
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{
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ssize_t result;
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START_PROFILE_BYTES(syscall_read, n);
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result = sys_read(fd, data, n);
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END_PROFILE(syscall_read);
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return result;
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}
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static ssize_t vfswrap_pread(vfs_handle_struct *handle, files_struct *fsp, void *data,
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size_t n, SMB_OFF_T offset)
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{
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ssize_t result;
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#if defined(HAVE_PREAD) || defined(HAVE_PREAD64)
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START_PROFILE_BYTES(syscall_pread, n);
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result = sys_pread(fsp->fh->fd, data, n, offset);
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END_PROFILE(syscall_pread);
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if (result == -1 && errno == ESPIPE) {
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/* Maintain the fiction that pipes can be seeked (sought?) on. */
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result = SMB_VFS_READ(fsp, fsp->fh->fd, data, n);
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fsp->fh->pos = 0;
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}
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#else /* HAVE_PREAD */
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SMB_OFF_T curr;
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int lerrno;
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curr = SMB_VFS_LSEEK(fsp, 0, SEEK_CUR);
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if (curr == -1 && errno == ESPIPE) {
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/* Maintain the fiction that pipes can be seeked (sought?) on. */
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result = SMB_VFS_READ(fsp, fsp->fh->fd, data, n);
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fsp->fh->pos = 0;
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return result;
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}
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if (SMB_VFS_LSEEK(fsp, offset, SEEK_SET) == -1) {
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return -1;
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}
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errno = 0;
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result = SMB_VFS_READ(fsp, fsp->fh->fd, data, n);
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lerrno = errno;
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SMB_VFS_LSEEK(fsp, curr, SEEK_SET);
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errno = lerrno;
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#endif /* HAVE_PREAD */
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return result;
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}
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static ssize_t vfswrap_write(vfs_handle_struct *handle, files_struct *fsp, int fd, const void *data, size_t n)
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{
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ssize_t result;
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START_PROFILE_BYTES(syscall_write, n);
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result = sys_write(fd, data, n);
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END_PROFILE(syscall_write);
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return result;
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}
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static ssize_t vfswrap_pwrite(vfs_handle_struct *handle, files_struct *fsp, const void *data,
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size_t n, SMB_OFF_T offset)
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{
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ssize_t result;
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#if defined(HAVE_PWRITE) || defined(HAVE_PRWITE64)
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START_PROFILE_BYTES(syscall_pwrite, n);
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result = sys_pwrite(fsp->fh->fd, data, n, offset);
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END_PROFILE(syscall_pwrite);
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if (result == -1 && errno == ESPIPE) {
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/* Maintain the fiction that pipes can be sought on. */
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result = SMB_VFS_WRITE(fsp, fsp->fh->fd, data, n);
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}
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#else /* HAVE_PWRITE */
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SMB_OFF_T curr;
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int lerrno;
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curr = SMB_VFS_LSEEK(fsp, 0, SEEK_CUR);
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if (curr == -1) {
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return -1;
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}
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if (SMB_VFS_LSEEK(fsp, offset, SEEK_SET) == -1) {
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return -1;
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}
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result = SMB_VFS_WRITE(fsp, fsp->fh->fd, data, n);
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lerrno = errno;
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SMB_VFS_LSEEK(fsp, curr, SEEK_SET);
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errno = lerrno;
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#endif /* HAVE_PWRITE */
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return result;
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}
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static SMB_OFF_T vfswrap_lseek(vfs_handle_struct *handle, files_struct *fsp, SMB_OFF_T offset, int whence)
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{
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SMB_OFF_T result = 0;
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START_PROFILE(syscall_lseek);
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/* Cope with 'stat' file opens. */
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if (fsp->fh->fd != -1)
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result = sys_lseek(fsp->fh->fd, offset, whence);
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/*
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* We want to maintain the fiction that we can seek
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* on a fifo for file system purposes. This allows
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* people to set up UNIX fifo's that feed data to Windows
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* applications. JRA.
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*/
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if((result == -1) && (errno == ESPIPE)) {
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result = 0;
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errno = 0;
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}
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END_PROFILE(syscall_lseek);
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return result;
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}
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static ssize_t vfswrap_sendfile(vfs_handle_struct *handle, int tofd, files_struct *fsp, int fromfd, const DATA_BLOB *hdr,
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SMB_OFF_T offset, size_t n)
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{
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ssize_t result;
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START_PROFILE_BYTES(syscall_sendfile, n);
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result = sys_sendfile(tofd, fromfd, hdr, offset, n);
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END_PROFILE(syscall_sendfile);
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return result;
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}
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static ssize_t vfswrap_recvfile(vfs_handle_struct *handle,
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int fromfd,
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files_struct *fsp,
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int tofd,
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SMB_OFF_T offset,
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size_t n)
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{
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ssize_t result;
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START_PROFILE_BYTES(syscall_recvfile, n);
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result = sys_recvfile(fromfd, tofd, offset, n);
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END_PROFILE(syscall_recvfile);
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return result;
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}
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/*********************************************************
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For rename across filesystems Patch from Warren Birnbaum
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<warrenb@hpcvscdp.cv.hp.com>
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**********************************************************/
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static int copy_reg(const char *source, const char *dest)
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{
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SMB_STRUCT_STAT source_stats;
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int saved_errno;
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int ifd = -1;
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int ofd = -1;
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if (sys_lstat (source, &source_stats) == -1)
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return -1;
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if (!S_ISREG (source_stats.st_mode))
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return -1;
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|
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if((ifd = sys_open (source, O_RDONLY, 0)) < 0)
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return -1;
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if (unlink (dest) && errno != ENOENT)
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return -1;
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#ifdef O_NOFOLLOW
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if((ofd = sys_open (dest, O_WRONLY | O_CREAT | O_TRUNC | O_NOFOLLOW, 0600)) < 0 )
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#else
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if((ofd = sys_open (dest, O_WRONLY | O_CREAT | O_TRUNC , 0600)) < 0 )
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#endif
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goto err;
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if (transfer_file(ifd, ofd, (size_t)-1) == -1)
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goto err;
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|
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/*
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* Try to preserve ownership. For non-root it might fail, but that's ok.
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* But root probably wants to know, e.g. if NFS disallows it.
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*/
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#ifdef HAVE_FCHOWN
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if ((fchown(ofd, source_stats.st_uid, source_stats.st_gid) == -1) && (errno != EPERM))
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#else
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if ((chown(dest, source_stats.st_uid, source_stats.st_gid) == -1) && (errno != EPERM))
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#endif
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goto err;
|
|
|
|
/*
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* fchown turns off set[ug]id bits for non-root,
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* so do the chmod last.
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*/
|
|
|
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#if defined(HAVE_FCHMOD)
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if (fchmod (ofd, source_stats.st_mode & 07777))
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|
#else
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if (chmod (dest, source_stats.st_mode & 07777))
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|
#endif
|
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goto err;
|
|
|
|
if (close (ifd) == -1)
|
|
goto err;
|
|
|
|
if (close (ofd) == -1)
|
|
return -1;
|
|
|
|
/* Try to copy the old file's modtime and access time. */
|
|
{
|
|
struct utimbuf tv;
|
|
|
|
tv.actime = source_stats.st_atime;
|
|
tv.modtime = source_stats.st_mtime;
|
|
utime(dest, &tv);
|
|
}
|
|
|
|
if (unlink (source) == -1)
|
|
return -1;
|
|
|
|
return 0;
|
|
|
|
err:
|
|
|
|
saved_errno = errno;
|
|
if (ifd != -1)
|
|
close(ifd);
|
|
if (ofd != -1)
|
|
close(ofd);
|
|
errno = saved_errno;
|
|
return -1;
|
|
}
|
|
|
|
static int vfswrap_rename(vfs_handle_struct *handle, const char *oldname, const char *newname)
|
|
{
|
|
int result;
|
|
|
|
START_PROFILE(syscall_rename);
|
|
result = rename(oldname, newname);
|
|
if (errno == EXDEV) {
|
|
/* Rename across filesystems needed. */
|
|
result = copy_reg(oldname, newname);
|
|
}
|
|
|
|
END_PROFILE(syscall_rename);
|
|
return result;
|
|
}
|
|
|
|
static int vfswrap_fsync(vfs_handle_struct *handle, files_struct *fsp, int fd)
|
|
{
|
|
#ifdef HAVE_FSYNC
|
|
int result;
|
|
|
|
START_PROFILE(syscall_fsync);
|
|
result = fsync(fd);
|
|
END_PROFILE(syscall_fsync);
|
|
return result;
|
|
#else
|
|
return 0;
|
|
#endif
|
|
}
|
|
|
|
static int vfswrap_stat(vfs_handle_struct *handle, const char *fname, SMB_STRUCT_STAT *sbuf)
|
|
{
|
|
int result;
|
|
|
|
START_PROFILE(syscall_stat);
|
|
result = sys_stat(fname, sbuf);
|
|
END_PROFILE(syscall_stat);
|
|
return result;
|
|
}
|
|
|
|
static int vfswrap_fstat(vfs_handle_struct *handle, files_struct *fsp, int fd, SMB_STRUCT_STAT *sbuf)
|
|
{
|
|
int result;
|
|
|
|
START_PROFILE(syscall_fstat);
|
|
result = sys_fstat(fd, sbuf);
|
|
END_PROFILE(syscall_fstat);
|
|
return result;
|
|
}
|
|
|
|
int vfswrap_lstat(vfs_handle_struct *handle, const char *path, SMB_STRUCT_STAT *sbuf)
|
|
{
|
|
int result;
|
|
|
|
START_PROFILE(syscall_lstat);
|
|
result = sys_lstat(path, sbuf);
|
|
END_PROFILE(syscall_lstat);
|
|
return result;
|
|
}
|
|
|
|
static int vfswrap_unlink(vfs_handle_struct *handle, const char *path)
|
|
{
|
|
int result;
|
|
|
|
START_PROFILE(syscall_unlink);
|
|
result = unlink(path);
|
|
END_PROFILE(syscall_unlink);
|
|
return result;
|
|
}
|
|
|
|
static int vfswrap_chmod(vfs_handle_struct *handle, const char *path, mode_t mode)
|
|
{
|
|
int result;
|
|
|
|
START_PROFILE(syscall_chmod);
|
|
|
|
/*
|
|
* We need to do this due to the fact that the default POSIX ACL
|
|
* chmod modifies the ACL *mask* for the group owner, not the
|
|
* group owner bits directly. JRA.
|
|
*/
|
|
|
|
|
|
{
|
|
int saved_errno = errno; /* We might get ENOSYS */
|
|
if ((result = SMB_VFS_CHMOD_ACL(handle->conn, path, mode)) == 0) {
|
|
END_PROFILE(syscall_chmod);
|
|
return result;
|
|
}
|
|
/* Error - return the old errno. */
|
|
errno = saved_errno;
|
|
}
|
|
|
|
result = chmod(path, mode);
|
|
END_PROFILE(syscall_chmod);
|
|
return result;
|
|
}
|
|
|
|
static int vfswrap_fchmod(vfs_handle_struct *handle, files_struct *fsp, int fd, mode_t mode)
|
|
{
|
|
int result;
|
|
|
|
START_PROFILE(syscall_fchmod);
|
|
|
|
/*
|
|
* We need to do this due to the fact that the default POSIX ACL
|
|
* chmod modifies the ACL *mask* for the group owner, not the
|
|
* group owner bits directly. JRA.
|
|
*/
|
|
|
|
{
|
|
int saved_errno = errno; /* We might get ENOSYS */
|
|
if ((result = SMB_VFS_FCHMOD_ACL(fsp, fd, mode)) == 0) {
|
|
END_PROFILE(syscall_fchmod);
|
|
return result;
|
|
}
|
|
/* Error - return the old errno. */
|
|
errno = saved_errno;
|
|
}
|
|
|
|
#if defined(HAVE_FCHMOD)
|
|
result = fchmod(fd, mode);
|
|
#else
|
|
result = -1;
|
|
errno = ENOSYS;
|
|
#endif
|
|
|
|
END_PROFILE(syscall_fchmod);
|
|
return result;
|
|
}
|
|
|
|
static int vfswrap_chown(vfs_handle_struct *handle, const char *path, uid_t uid, gid_t gid)
|
|
{
|
|
int result;
|
|
|
|
START_PROFILE(syscall_chown);
|
|
result = sys_chown(path, uid, gid);
|
|
END_PROFILE(syscall_chown);
|
|
return result;
|
|
}
|
|
|
|
static int vfswrap_fchown(vfs_handle_struct *handle, files_struct *fsp, int fd, uid_t uid, gid_t gid)
|
|
{
|
|
#ifdef HAVE_FCHOWN
|
|
int result;
|
|
|
|
START_PROFILE(syscall_fchown);
|
|
result = fchown(fd, uid, gid);
|
|
END_PROFILE(syscall_fchown);
|
|
return result;
|
|
#else
|
|
errno = ENOSYS;
|
|
return -1;
|
|
#endif
|
|
}
|
|
|
|
static int vfswrap_lchown(vfs_handle_struct *handle, const char *path, uid_t uid, gid_t gid)
|
|
{
|
|
int result;
|
|
|
|
START_PROFILE(syscall_lchown);
|
|
result = sys_lchown(path, uid, gid);
|
|
END_PROFILE(syscall_lchown);
|
|
return result;
|
|
}
|
|
|
|
static int vfswrap_chdir(vfs_handle_struct *handle, const char *path)
|
|
{
|
|
int result;
|
|
|
|
START_PROFILE(syscall_chdir);
|
|
result = chdir(path);
|
|
END_PROFILE(syscall_chdir);
|
|
return result;
|
|
}
|
|
|
|
static char *vfswrap_getwd(vfs_handle_struct *handle, char *path)
|
|
{
|
|
char *result;
|
|
|
|
START_PROFILE(syscall_getwd);
|
|
result = sys_getwd(path);
|
|
END_PROFILE(syscall_getwd);
|
|
return result;
|
|
}
|
|
|
|
/*********************************************************************
|
|
nsec timestamp resolution call. Convert down to whatever the underlying
|
|
system will support.
|
|
**********************************************************************/
|
|
|
|
static int vfswrap_ntimes(vfs_handle_struct *handle, const char *path, const struct timespec ts[2])
|
|
{
|
|
int result;
|
|
|
|
START_PROFILE(syscall_ntimes);
|
|
#if defined(HAVE_UTIMES)
|
|
{
|
|
struct timeval tv[2];
|
|
tv[0] = convert_timespec_to_timeval(ts[0]);
|
|
tv[1] = convert_timespec_to_timeval(ts[1]);
|
|
result = utimes(path, tv);
|
|
}
|
|
#elif defined(HAVE_UTIME)
|
|
{
|
|
struct utimbuf times;
|
|
times.actime = convert_timespec_to_time_t(ts[0]);
|
|
times.modtime = convert_timespec_to_time_t(ts[1]);
|
|
result = utime(path, times);
|
|
}
|
|
#else
|
|
errno = ENOSYS;
|
|
result = -1;
|
|
#endif
|
|
END_PROFILE(syscall_ntimes);
|
|
return result;
|
|
}
|
|
|
|
/*********************************************************************
|
|
A version of ftruncate that will write the space on disk if strict
|
|
allocate is set.
|
|
**********************************************************************/
|
|
|
|
static int strict_allocate_ftruncate(vfs_handle_struct *handle, files_struct *fsp, int fd, SMB_OFF_T len)
|
|
{
|
|
SMB_STRUCT_STAT st;
|
|
SMB_OFF_T currpos = SMB_VFS_LSEEK(fsp, 0, SEEK_CUR);
|
|
unsigned char zero_space[4096];
|
|
SMB_OFF_T space_to_write;
|
|
|
|
if (currpos == -1)
|
|
return -1;
|
|
|
|
if (SMB_VFS_FSTAT(fsp, fd, &st) == -1)
|
|
return -1;
|
|
|
|
space_to_write = len - st.st_size;
|
|
|
|
#ifdef S_ISFIFO
|
|
if (S_ISFIFO(st.st_mode))
|
|
return 0;
|
|
#endif
|
|
|
|
if (st.st_size == len)
|
|
return 0;
|
|
|
|
/* Shrink - just ftruncate. */
|
|
if (st.st_size > len)
|
|
return sys_ftruncate(fd, len);
|
|
|
|
/* Write out the real space on disk. */
|
|
if (SMB_VFS_LSEEK(fsp, st.st_size, SEEK_SET) != st.st_size)
|
|
return -1;
|
|
|
|
space_to_write = len - st.st_size;
|
|
|
|
memset(zero_space, '\0', sizeof(zero_space));
|
|
while ( space_to_write > 0) {
|
|
SMB_OFF_T retlen;
|
|
SMB_OFF_T current_len_to_write = MIN(sizeof(zero_space),space_to_write);
|
|
|
|
retlen = SMB_VFS_WRITE(fsp,fsp->fh->fd,(char *)zero_space,current_len_to_write);
|
|
if (retlen <= 0)
|
|
return -1;
|
|
|
|
space_to_write -= retlen;
|
|
}
|
|
|
|
/* Seek to where we were */
|
|
if (SMB_VFS_LSEEK(fsp, currpos, SEEK_SET) != currpos)
|
|
return -1;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int vfswrap_ftruncate(vfs_handle_struct *handle, files_struct *fsp, int fd, SMB_OFF_T len)
|
|
{
|
|
int result = -1;
|
|
SMB_STRUCT_STAT st;
|
|
char c = 0;
|
|
SMB_OFF_T currpos;
|
|
|
|
START_PROFILE(syscall_ftruncate);
|
|
|
|
if (lp_strict_allocate(SNUM(fsp->conn))) {
|
|
result = strict_allocate_ftruncate(handle, fsp, fd, len);
|
|
END_PROFILE(syscall_ftruncate);
|
|
return result;
|
|
}
|
|
|
|
/* we used to just check HAVE_FTRUNCATE_EXTEND and only use
|
|
sys_ftruncate if the system supports it. Then I discovered that
|
|
you can have some filesystems that support ftruncate
|
|
expansion and some that don't! On Linux fat can't do
|
|
ftruncate extend but ext2 can. */
|
|
|
|
result = sys_ftruncate(fd, len);
|
|
if (result == 0)
|
|
goto done;
|
|
|
|
/* According to W. R. Stevens advanced UNIX prog. Pure 4.3 BSD cannot
|
|
extend a file with ftruncate. Provide alternate implementation
|
|
for this */
|
|
currpos = SMB_VFS_LSEEK(fsp, 0, SEEK_CUR);
|
|
if (currpos == -1) {
|
|
goto done;
|
|
}
|
|
|
|
/* Do an fstat to see if the file is longer than the requested
|
|
size in which case the ftruncate above should have
|
|
succeeded or shorter, in which case seek to len - 1 and
|
|
write 1 byte of zero */
|
|
if (SMB_VFS_FSTAT(fsp, fd, &st) == -1) {
|
|
goto done;
|
|
}
|
|
|
|
#ifdef S_ISFIFO
|
|
if (S_ISFIFO(st.st_mode)) {
|
|
result = 0;
|
|
goto done;
|
|
}
|
|
#endif
|
|
|
|
if (st.st_size == len) {
|
|
result = 0;
|
|
goto done;
|
|
}
|
|
|
|
if (st.st_size > len) {
|
|
/* the sys_ftruncate should have worked */
|
|
goto done;
|
|
}
|
|
|
|
if (SMB_VFS_LSEEK(fsp, len-1, SEEK_SET) != len -1)
|
|
goto done;
|
|
|
|
if (SMB_VFS_WRITE(fsp, fd, &c, 1)!=1)
|
|
goto done;
|
|
|
|
/* Seek to where we were */
|
|
if (SMB_VFS_LSEEK(fsp, currpos, SEEK_SET) != currpos)
|
|
goto done;
|
|
result = 0;
|
|
|
|
done:
|
|
|
|
END_PROFILE(syscall_ftruncate);
|
|
return result;
|
|
}
|
|
|
|
static bool vfswrap_lock(vfs_handle_struct *handle, files_struct *fsp, int fd, int op, SMB_OFF_T offset, SMB_OFF_T count, int type)
|
|
{
|
|
bool result;
|
|
|
|
START_PROFILE(syscall_fcntl_lock);
|
|
result = fcntl_lock(fd, op, offset, count, type);
|
|
END_PROFILE(syscall_fcntl_lock);
|
|
return result;
|
|
}
|
|
|
|
static int vfswrap_kernel_flock(vfs_handle_struct *handle, files_struct *fsp, int fd,
|
|
uint32 share_mode)
|
|
{
|
|
START_PROFILE(syscall_kernel_flock);
|
|
kernel_flock(fd, share_mode);
|
|
END_PROFILE(syscall_kernel_flock);
|
|
return 0;
|
|
}
|
|
|
|
static bool vfswrap_getlock(vfs_handle_struct *handle, files_struct *fsp, int fd, SMB_OFF_T *poffset, SMB_OFF_T *pcount, int *ptype, pid_t *ppid)
|
|
{
|
|
bool result;
|
|
|
|
START_PROFILE(syscall_fcntl_getlock);
|
|
result = fcntl_getlock(fd, poffset, pcount, ptype, ppid);
|
|
END_PROFILE(syscall_fcntl_getlock);
|
|
return result;
|
|
}
|
|
|
|
static int vfswrap_linux_setlease(vfs_handle_struct *handle, files_struct *fsp, int fd,
|
|
int leasetype)
|
|
{
|
|
int result = -1;
|
|
|
|
START_PROFILE(syscall_linux_setlease);
|
|
|
|
#ifdef HAVE_KERNEL_OPLOCKS_LINUX
|
|
/* first set the signal handler */
|
|
if(linux_set_lease_sighandler(fd) == -1) {
|
|
return -1;
|
|
}
|
|
|
|
result = linux_setlease(fd, leasetype);
|
|
#else
|
|
errno = ENOSYS;
|
|
#endif
|
|
END_PROFILE(syscall_linux_setlease);
|
|
return result;
|
|
}
|
|
|
|
static int vfswrap_symlink(vfs_handle_struct *handle, const char *oldpath, const char *newpath)
|
|
{
|
|
int result;
|
|
|
|
START_PROFILE(syscall_symlink);
|
|
result = sys_symlink(oldpath, newpath);
|
|
END_PROFILE(syscall_symlink);
|
|
return result;
|
|
}
|
|
|
|
static int vfswrap_readlink(vfs_handle_struct *handle, const char *path, char *buf, size_t bufsiz)
|
|
{
|
|
int result;
|
|
|
|
START_PROFILE(syscall_readlink);
|
|
result = sys_readlink(path, buf, bufsiz);
|
|
END_PROFILE(syscall_readlink);
|
|
return result;
|
|
}
|
|
|
|
static int vfswrap_link(vfs_handle_struct *handle, const char *oldpath, const char *newpath)
|
|
{
|
|
int result;
|
|
|
|
START_PROFILE(syscall_link);
|
|
result = sys_link(oldpath, newpath);
|
|
END_PROFILE(syscall_link);
|
|
return result;
|
|
}
|
|
|
|
static int vfswrap_mknod(vfs_handle_struct *handle, const char *pathname, mode_t mode, SMB_DEV_T dev)
|
|
{
|
|
int result;
|
|
|
|
START_PROFILE(syscall_mknod);
|
|
result = sys_mknod(pathname, mode, dev);
|
|
END_PROFILE(syscall_mknod);
|
|
return result;
|
|
}
|
|
|
|
static char *vfswrap_realpath(vfs_handle_struct *handle, const char *path, char *resolved_path)
|
|
{
|
|
char *result;
|
|
|
|
START_PROFILE(syscall_realpath);
|
|
result = sys_realpath(path, resolved_path);
|
|
END_PROFILE(syscall_realpath);
|
|
return result;
|
|
}
|
|
|
|
static NTSTATUS vfswrap_notify_watch(vfs_handle_struct *vfs_handle,
|
|
struct sys_notify_context *ctx,
|
|
struct notify_entry *e,
|
|
void (*callback)(struct sys_notify_context *ctx,
|
|
void *private_data,
|
|
struct notify_event *ev),
|
|
void *private_data, void *handle)
|
|
{
|
|
/*
|
|
* So far inotify is the only supported default notify mechanism. If
|
|
* another platform like the the BSD's or a proprietary Unix comes
|
|
* along and wants another default, we can play the same trick we
|
|
* played with Posix ACLs.
|
|
*
|
|
* Until that is the case, hard-code inotify here.
|
|
*/
|
|
#ifdef HAVE_INOTIFY
|
|
if (lp_kernel_change_notify(ctx->conn->params)) {
|
|
return inotify_watch(ctx, e, callback, private_data, handle);
|
|
}
|
|
#endif
|
|
/*
|
|
* Do nothing, leave everything to notify_internal.c
|
|
*/
|
|
return NT_STATUS_OK;
|
|
}
|
|
|
|
static int vfswrap_chflags(vfs_handle_struct *handle, const char *path, int flags)
|
|
{
|
|
#ifdef HAVE_CHFLAGS
|
|
return chflags(path, flags);
|
|
#else
|
|
errno = ENOSYS;
|
|
return -1;
|
|
#endif
|
|
}
|
|
|
|
static struct file_id vfswrap_file_id_create(struct vfs_handle_struct *handle, SMB_DEV_T dev, SMB_INO_T inode)
|
|
{
|
|
return file_id_create_dev(dev, inode);
|
|
}
|
|
|
|
static NTSTATUS vfswrap_fget_nt_acl(vfs_handle_struct *handle,
|
|
files_struct *fsp,
|
|
uint32 security_info, SEC_DESC **ppdesc)
|
|
{
|
|
NTSTATUS result;
|
|
|
|
START_PROFILE(fget_nt_acl);
|
|
result = posix_fget_nt_acl(fsp, security_info, ppdesc);
|
|
END_PROFILE(fget_nt_acl);
|
|
return result;
|
|
}
|
|
|
|
static NTSTATUS vfswrap_get_nt_acl(vfs_handle_struct *handle,
|
|
const char *name,
|
|
uint32 security_info, SEC_DESC **ppdesc)
|
|
{
|
|
NTSTATUS result;
|
|
|
|
START_PROFILE(get_nt_acl);
|
|
result = posix_get_nt_acl(handle->conn, name, security_info, ppdesc);
|
|
END_PROFILE(get_nt_acl);
|
|
return result;
|
|
}
|
|
|
|
static NTSTATUS vfswrap_fset_nt_acl(vfs_handle_struct *handle, files_struct *fsp, uint32 security_info_sent, SEC_DESC *psd)
|
|
{
|
|
NTSTATUS result;
|
|
|
|
START_PROFILE(fset_nt_acl);
|
|
result = set_nt_acl(fsp, security_info_sent, psd);
|
|
END_PROFILE(fset_nt_acl);
|
|
return result;
|
|
}
|
|
|
|
static NTSTATUS vfswrap_set_nt_acl(vfs_handle_struct *handle, files_struct *fsp, const char *name, uint32 security_info_sent, SEC_DESC *psd)
|
|
{
|
|
NTSTATUS result;
|
|
|
|
START_PROFILE(set_nt_acl);
|
|
result = set_nt_acl(fsp, security_info_sent, psd);
|
|
END_PROFILE(set_nt_acl);
|
|
return result;
|
|
}
|
|
|
|
static int vfswrap_chmod_acl(vfs_handle_struct *handle, const char *name, mode_t mode)
|
|
{
|
|
#ifdef HAVE_NO_ACL
|
|
errno = ENOSYS;
|
|
return -1;
|
|
#else
|
|
int result;
|
|
|
|
START_PROFILE(chmod_acl);
|
|
result = chmod_acl(handle->conn, name, mode);
|
|
END_PROFILE(chmod_acl);
|
|
return result;
|
|
#endif
|
|
}
|
|
|
|
static int vfswrap_fchmod_acl(vfs_handle_struct *handle, files_struct *fsp, int fd, mode_t mode)
|
|
{
|
|
#ifdef HAVE_NO_ACL
|
|
errno = ENOSYS;
|
|
return -1;
|
|
#else
|
|
int result;
|
|
|
|
START_PROFILE(fchmod_acl);
|
|
result = fchmod_acl(fsp, fd, mode);
|
|
END_PROFILE(fchmod_acl);
|
|
return result;
|
|
#endif
|
|
}
|
|
|
|
static int vfswrap_sys_acl_get_entry(vfs_handle_struct *handle, SMB_ACL_T theacl, int entry_id, SMB_ACL_ENTRY_T *entry_p)
|
|
{
|
|
return sys_acl_get_entry(theacl, entry_id, entry_p);
|
|
}
|
|
|
|
static int vfswrap_sys_acl_get_tag_type(vfs_handle_struct *handle, SMB_ACL_ENTRY_T entry_d, SMB_ACL_TAG_T *tag_type_p)
|
|
{
|
|
return sys_acl_get_tag_type(entry_d, tag_type_p);
|
|
}
|
|
|
|
static int vfswrap_sys_acl_get_permset(vfs_handle_struct *handle, SMB_ACL_ENTRY_T entry_d, SMB_ACL_PERMSET_T *permset_p)
|
|
{
|
|
return sys_acl_get_permset(entry_d, permset_p);
|
|
}
|
|
|
|
static void * vfswrap_sys_acl_get_qualifier(vfs_handle_struct *handle, SMB_ACL_ENTRY_T entry_d)
|
|
{
|
|
return sys_acl_get_qualifier(entry_d);
|
|
}
|
|
|
|
static SMB_ACL_T vfswrap_sys_acl_get_file(vfs_handle_struct *handle, const char *path_p, SMB_ACL_TYPE_T type)
|
|
{
|
|
return sys_acl_get_file(handle, path_p, type);
|
|
}
|
|
|
|
static SMB_ACL_T vfswrap_sys_acl_get_fd(vfs_handle_struct *handle, files_struct *fsp, int fd)
|
|
{
|
|
return sys_acl_get_fd(handle, fsp, fd);
|
|
}
|
|
|
|
static int vfswrap_sys_acl_clear_perms(vfs_handle_struct *handle, SMB_ACL_PERMSET_T permset)
|
|
{
|
|
return sys_acl_clear_perms(permset);
|
|
}
|
|
|
|
static int vfswrap_sys_acl_add_perm(vfs_handle_struct *handle, SMB_ACL_PERMSET_T permset, SMB_ACL_PERM_T perm)
|
|
{
|
|
return sys_acl_add_perm(permset, perm);
|
|
}
|
|
|
|
static char * vfswrap_sys_acl_to_text(vfs_handle_struct *handle, SMB_ACL_T theacl, ssize_t *plen)
|
|
{
|
|
return sys_acl_to_text(theacl, plen);
|
|
}
|
|
|
|
static SMB_ACL_T vfswrap_sys_acl_init(vfs_handle_struct *handle, int count)
|
|
{
|
|
return sys_acl_init(count);
|
|
}
|
|
|
|
static int vfswrap_sys_acl_create_entry(vfs_handle_struct *handle, SMB_ACL_T *pacl, SMB_ACL_ENTRY_T *pentry)
|
|
{
|
|
return sys_acl_create_entry(pacl, pentry);
|
|
}
|
|
|
|
static int vfswrap_sys_acl_set_tag_type(vfs_handle_struct *handle, SMB_ACL_ENTRY_T entry, SMB_ACL_TAG_T tagtype)
|
|
{
|
|
return sys_acl_set_tag_type(entry, tagtype);
|
|
}
|
|
|
|
static int vfswrap_sys_acl_set_qualifier(vfs_handle_struct *handle, SMB_ACL_ENTRY_T entry, void *qual)
|
|
{
|
|
return sys_acl_set_qualifier(entry, qual);
|
|
}
|
|
|
|
static int vfswrap_sys_acl_set_permset(vfs_handle_struct *handle, SMB_ACL_ENTRY_T entry, SMB_ACL_PERMSET_T permset)
|
|
{
|
|
return sys_acl_set_permset(entry, permset);
|
|
}
|
|
|
|
static int vfswrap_sys_acl_valid(vfs_handle_struct *handle, SMB_ACL_T theacl )
|
|
{
|
|
return sys_acl_valid(theacl );
|
|
}
|
|
|
|
static int vfswrap_sys_acl_set_file(vfs_handle_struct *handle, const char *name, SMB_ACL_TYPE_T acltype, SMB_ACL_T theacl)
|
|
{
|
|
return sys_acl_set_file(handle, name, acltype, theacl);
|
|
}
|
|
|
|
static int vfswrap_sys_acl_set_fd(vfs_handle_struct *handle, files_struct *fsp, int fd, SMB_ACL_T theacl)
|
|
{
|
|
return sys_acl_set_fd(handle, fsp, fd, theacl);
|
|
}
|
|
|
|
static int vfswrap_sys_acl_delete_def_file(vfs_handle_struct *handle, const char *path)
|
|
{
|
|
return sys_acl_delete_def_file(handle, path);
|
|
}
|
|
|
|
static int vfswrap_sys_acl_get_perm(vfs_handle_struct *handle, SMB_ACL_PERMSET_T permset, SMB_ACL_PERM_T perm)
|
|
{
|
|
return sys_acl_get_perm(permset, perm);
|
|
}
|
|
|
|
static int vfswrap_sys_acl_free_text(vfs_handle_struct *handle, char *text)
|
|
{
|
|
return sys_acl_free_text(text);
|
|
}
|
|
|
|
static int vfswrap_sys_acl_free_acl(vfs_handle_struct *handle, SMB_ACL_T posix_acl)
|
|
{
|
|
return sys_acl_free_acl(posix_acl);
|
|
}
|
|
|
|
static int vfswrap_sys_acl_free_qualifier(vfs_handle_struct *handle, void *qualifier, SMB_ACL_TAG_T tagtype)
|
|
{
|
|
return sys_acl_free_qualifier(qualifier, tagtype);
|
|
}
|
|
|
|
/****************************************************************
|
|
Extended attribute operations.
|
|
*****************************************************************/
|
|
|
|
static ssize_t vfswrap_getxattr(struct vfs_handle_struct *handle,const char *path, const char *name, void *value, size_t size)
|
|
{
|
|
return sys_getxattr(path, name, value, size);
|
|
}
|
|
|
|
static ssize_t vfswrap_lgetxattr(struct vfs_handle_struct *handle,const char *path, const char *name, void *value, size_t size)
|
|
{
|
|
return sys_lgetxattr(path, name, value, size);
|
|
}
|
|
|
|
static ssize_t vfswrap_fgetxattr(struct vfs_handle_struct *handle, struct files_struct *fsp,int fd, const char *name, void *value, size_t size)
|
|
{
|
|
return sys_fgetxattr(fd, name, value, size);
|
|
}
|
|
|
|
static ssize_t vfswrap_listxattr(struct vfs_handle_struct *handle, const char *path, char *list, size_t size)
|
|
{
|
|
return sys_listxattr(path, list, size);
|
|
}
|
|
|
|
ssize_t vfswrap_llistxattr(struct vfs_handle_struct *handle, const char *path, char *list, size_t size)
|
|
{
|
|
return sys_llistxattr(path, list, size);
|
|
}
|
|
|
|
ssize_t vfswrap_flistxattr(struct vfs_handle_struct *handle, struct files_struct *fsp,int fd, char *list, size_t size)
|
|
{
|
|
return sys_flistxattr(fd, list, size);
|
|
}
|
|
|
|
static int vfswrap_removexattr(struct vfs_handle_struct *handle, const char *path, const char *name)
|
|
{
|
|
return sys_removexattr(path, name);
|
|
}
|
|
|
|
static int vfswrap_lremovexattr(struct vfs_handle_struct *handle, const char *path, const char *name)
|
|
{
|
|
return sys_lremovexattr(path, name);
|
|
}
|
|
|
|
static int vfswrap_fremovexattr(struct vfs_handle_struct *handle, struct files_struct *fsp,int fd, const char *name)
|
|
{
|
|
return sys_fremovexattr(fd, name);
|
|
}
|
|
|
|
static int vfswrap_setxattr(struct vfs_handle_struct *handle, const char *path, const char *name, const void *value, size_t size, int flags)
|
|
{
|
|
return sys_setxattr(path, name, value, size, flags);
|
|
}
|
|
|
|
static int vfswrap_lsetxattr(struct vfs_handle_struct *handle, const char *path, const char *name, const void *value, size_t size, int flags)
|
|
{
|
|
return sys_lsetxattr(path, name, value, size, flags);
|
|
}
|
|
|
|
static int vfswrap_fsetxattr(struct vfs_handle_struct *handle, struct files_struct *fsp,int fd, const char *name, const void *value, size_t size, int flags)
|
|
{
|
|
return sys_fsetxattr(fd, name, value, size, flags);
|
|
}
|
|
|
|
static int vfswrap_aio_read(struct vfs_handle_struct *handle, struct files_struct *fsp, SMB_STRUCT_AIOCB *aiocb)
|
|
{
|
|
return sys_aio_read(aiocb);
|
|
}
|
|
|
|
static int vfswrap_aio_write(struct vfs_handle_struct *handle, struct files_struct *fsp, SMB_STRUCT_AIOCB *aiocb)
|
|
{
|
|
return sys_aio_write(aiocb);
|
|
}
|
|
|
|
static ssize_t vfswrap_aio_return(struct vfs_handle_struct *handle, struct files_struct *fsp, SMB_STRUCT_AIOCB *aiocb)
|
|
{
|
|
return sys_aio_return(aiocb);
|
|
}
|
|
|
|
static int vfswrap_aio_cancel(struct vfs_handle_struct *handle, struct files_struct *fsp, int fd, SMB_STRUCT_AIOCB *aiocb)
|
|
{
|
|
return sys_aio_cancel(fd, aiocb);
|
|
}
|
|
|
|
static int vfswrap_aio_error(struct vfs_handle_struct *handle, struct files_struct *fsp, SMB_STRUCT_AIOCB *aiocb)
|
|
{
|
|
return sys_aio_error(aiocb);
|
|
}
|
|
|
|
static int vfswrap_aio_fsync(struct vfs_handle_struct *handle, struct files_struct *fsp, int op, SMB_STRUCT_AIOCB *aiocb)
|
|
{
|
|
return sys_aio_fsync(op, aiocb);
|
|
}
|
|
|
|
static int vfswrap_aio_suspend(struct vfs_handle_struct *handle, struct files_struct *fsp, const SMB_STRUCT_AIOCB * const aiocb[], int n, const struct timespec *timeout)
|
|
{
|
|
return sys_aio_suspend(aiocb, n, timeout);
|
|
}
|
|
|
|
static vfs_op_tuple vfs_default_ops[] = {
|
|
|
|
/* Disk operations */
|
|
|
|
{SMB_VFS_OP(vfswrap_connect), SMB_VFS_OP_CONNECT,
|
|
SMB_VFS_LAYER_OPAQUE},
|
|
{SMB_VFS_OP(vfswrap_disconnect), SMB_VFS_OP_DISCONNECT,
|
|
SMB_VFS_LAYER_OPAQUE},
|
|
{SMB_VFS_OP(vfswrap_disk_free), SMB_VFS_OP_DISK_FREE,
|
|
SMB_VFS_LAYER_OPAQUE},
|
|
{SMB_VFS_OP(vfswrap_get_quota), SMB_VFS_OP_GET_QUOTA,
|
|
SMB_VFS_LAYER_OPAQUE},
|
|
{SMB_VFS_OP(vfswrap_set_quota), SMB_VFS_OP_SET_QUOTA,
|
|
SMB_VFS_LAYER_OPAQUE},
|
|
{SMB_VFS_OP(vfswrap_get_shadow_copy_data), SMB_VFS_OP_GET_SHADOW_COPY_DATA,
|
|
SMB_VFS_LAYER_OPAQUE},
|
|
{SMB_VFS_OP(vfswrap_statvfs), SMB_VFS_OP_STATVFS,
|
|
SMB_VFS_LAYER_OPAQUE},
|
|
|
|
/* Directory operations */
|
|
|
|
{SMB_VFS_OP(vfswrap_opendir), SMB_VFS_OP_OPENDIR,
|
|
SMB_VFS_LAYER_OPAQUE},
|
|
{SMB_VFS_OP(vfswrap_readdir), SMB_VFS_OP_READDIR,
|
|
SMB_VFS_LAYER_OPAQUE},
|
|
{SMB_VFS_OP(vfswrap_seekdir), SMB_VFS_OP_SEEKDIR,
|
|
SMB_VFS_LAYER_OPAQUE},
|
|
{SMB_VFS_OP(vfswrap_telldir), SMB_VFS_OP_TELLDIR,
|
|
SMB_VFS_LAYER_OPAQUE},
|
|
{SMB_VFS_OP(vfswrap_rewinddir), SMB_VFS_OP_REWINDDIR,
|
|
SMB_VFS_LAYER_OPAQUE},
|
|
{SMB_VFS_OP(vfswrap_mkdir), SMB_VFS_OP_MKDIR,
|
|
SMB_VFS_LAYER_OPAQUE},
|
|
{SMB_VFS_OP(vfswrap_rmdir), SMB_VFS_OP_RMDIR,
|
|
SMB_VFS_LAYER_OPAQUE},
|
|
{SMB_VFS_OP(vfswrap_closedir), SMB_VFS_OP_CLOSEDIR,
|
|
SMB_VFS_LAYER_OPAQUE},
|
|
|
|
/* File operations */
|
|
|
|
{SMB_VFS_OP(vfswrap_open), SMB_VFS_OP_OPEN,
|
|
SMB_VFS_LAYER_OPAQUE},
|
|
{SMB_VFS_OP(vfswrap_close), SMB_VFS_OP_CLOSE,
|
|
SMB_VFS_LAYER_OPAQUE},
|
|
{SMB_VFS_OP(vfswrap_read), SMB_VFS_OP_READ,
|
|
SMB_VFS_LAYER_OPAQUE},
|
|
{SMB_VFS_OP(vfswrap_pread), SMB_VFS_OP_PREAD,
|
|
SMB_VFS_LAYER_OPAQUE},
|
|
{SMB_VFS_OP(vfswrap_write), SMB_VFS_OP_WRITE,
|
|
SMB_VFS_LAYER_OPAQUE},
|
|
{SMB_VFS_OP(vfswrap_pwrite), SMB_VFS_OP_PWRITE,
|
|
SMB_VFS_LAYER_OPAQUE},
|
|
{SMB_VFS_OP(vfswrap_lseek), SMB_VFS_OP_LSEEK,
|
|
SMB_VFS_LAYER_OPAQUE},
|
|
{SMB_VFS_OP(vfswrap_sendfile), SMB_VFS_OP_SENDFILE,
|
|
SMB_VFS_LAYER_OPAQUE},
|
|
{SMB_VFS_OP(vfswrap_recvfile), SMB_VFS_OP_RECVFILE,
|
|
SMB_VFS_LAYER_OPAQUE},
|
|
{SMB_VFS_OP(vfswrap_rename), SMB_VFS_OP_RENAME,
|
|
SMB_VFS_LAYER_OPAQUE},
|
|
{SMB_VFS_OP(vfswrap_fsync), SMB_VFS_OP_FSYNC,
|
|
SMB_VFS_LAYER_OPAQUE},
|
|
{SMB_VFS_OP(vfswrap_stat), SMB_VFS_OP_STAT,
|
|
SMB_VFS_LAYER_OPAQUE},
|
|
{SMB_VFS_OP(vfswrap_fstat), SMB_VFS_OP_FSTAT,
|
|
SMB_VFS_LAYER_OPAQUE},
|
|
{SMB_VFS_OP(vfswrap_lstat), SMB_VFS_OP_LSTAT,
|
|
SMB_VFS_LAYER_OPAQUE},
|
|
{SMB_VFS_OP(vfswrap_unlink), SMB_VFS_OP_UNLINK,
|
|
SMB_VFS_LAYER_OPAQUE},
|
|
{SMB_VFS_OP(vfswrap_chmod), SMB_VFS_OP_CHMOD,
|
|
SMB_VFS_LAYER_OPAQUE},
|
|
{SMB_VFS_OP(vfswrap_fchmod), SMB_VFS_OP_FCHMOD,
|
|
SMB_VFS_LAYER_OPAQUE},
|
|
{SMB_VFS_OP(vfswrap_chown), SMB_VFS_OP_CHOWN,
|
|
SMB_VFS_LAYER_OPAQUE},
|
|
{SMB_VFS_OP(vfswrap_fchown), SMB_VFS_OP_FCHOWN,
|
|
SMB_VFS_LAYER_OPAQUE},
|
|
{SMB_VFS_OP(vfswrap_lchown), SMB_VFS_OP_LCHOWN,
|
|
SMB_VFS_LAYER_OPAQUE},
|
|
{SMB_VFS_OP(vfswrap_chdir), SMB_VFS_OP_CHDIR,
|
|
SMB_VFS_LAYER_OPAQUE},
|
|
{SMB_VFS_OP(vfswrap_getwd), SMB_VFS_OP_GETWD,
|
|
SMB_VFS_LAYER_OPAQUE},
|
|
{SMB_VFS_OP(vfswrap_ntimes), SMB_VFS_OP_NTIMES,
|
|
SMB_VFS_LAYER_OPAQUE},
|
|
{SMB_VFS_OP(vfswrap_ftruncate), SMB_VFS_OP_FTRUNCATE,
|
|
SMB_VFS_LAYER_OPAQUE},
|
|
{SMB_VFS_OP(vfswrap_lock), SMB_VFS_OP_LOCK,
|
|
SMB_VFS_LAYER_OPAQUE},
|
|
{SMB_VFS_OP(vfswrap_kernel_flock), SMB_VFS_OP_KERNEL_FLOCK,
|
|
SMB_VFS_LAYER_OPAQUE},
|
|
{SMB_VFS_OP(vfswrap_linux_setlease), SMB_VFS_OP_LINUX_SETLEASE,
|
|
SMB_VFS_LAYER_OPAQUE},
|
|
{SMB_VFS_OP(vfswrap_getlock), SMB_VFS_OP_GETLOCK,
|
|
SMB_VFS_LAYER_OPAQUE},
|
|
{SMB_VFS_OP(vfswrap_symlink), SMB_VFS_OP_SYMLINK,
|
|
SMB_VFS_LAYER_OPAQUE},
|
|
{SMB_VFS_OP(vfswrap_readlink), SMB_VFS_OP_READLINK,
|
|
SMB_VFS_LAYER_OPAQUE},
|
|
{SMB_VFS_OP(vfswrap_link), SMB_VFS_OP_LINK,
|
|
SMB_VFS_LAYER_OPAQUE},
|
|
{SMB_VFS_OP(vfswrap_mknod), SMB_VFS_OP_MKNOD,
|
|
SMB_VFS_LAYER_OPAQUE},
|
|
{SMB_VFS_OP(vfswrap_realpath), SMB_VFS_OP_REALPATH,
|
|
SMB_VFS_LAYER_OPAQUE},
|
|
{SMB_VFS_OP(vfswrap_notify_watch), SMB_VFS_OP_NOTIFY_WATCH,
|
|
SMB_VFS_LAYER_OPAQUE},
|
|
{SMB_VFS_OP(vfswrap_chflags), SMB_VFS_OP_CHFLAGS,
|
|
SMB_VFS_LAYER_OPAQUE},
|
|
{SMB_VFS_OP(vfswrap_file_id_create), SMB_VFS_OP_FILE_ID_CREATE,
|
|
SMB_VFS_LAYER_OPAQUE},
|
|
|
|
/* NT ACL operations. */
|
|
|
|
{SMB_VFS_OP(vfswrap_fget_nt_acl), SMB_VFS_OP_FGET_NT_ACL,
|
|
SMB_VFS_LAYER_OPAQUE},
|
|
{SMB_VFS_OP(vfswrap_get_nt_acl), SMB_VFS_OP_GET_NT_ACL,
|
|
SMB_VFS_LAYER_OPAQUE},
|
|
{SMB_VFS_OP(vfswrap_fset_nt_acl), SMB_VFS_OP_FSET_NT_ACL,
|
|
SMB_VFS_LAYER_OPAQUE},
|
|
{SMB_VFS_OP(vfswrap_set_nt_acl), SMB_VFS_OP_SET_NT_ACL,
|
|
SMB_VFS_LAYER_OPAQUE},
|
|
|
|
/* POSIX ACL operations. */
|
|
|
|
{SMB_VFS_OP(vfswrap_chmod_acl), SMB_VFS_OP_CHMOD_ACL,
|
|
SMB_VFS_LAYER_OPAQUE},
|
|
{SMB_VFS_OP(vfswrap_fchmod_acl), SMB_VFS_OP_FCHMOD_ACL,
|
|
SMB_VFS_LAYER_OPAQUE},
|
|
{SMB_VFS_OP(vfswrap_sys_acl_get_entry), SMB_VFS_OP_SYS_ACL_GET_ENTRY,
|
|
SMB_VFS_LAYER_OPAQUE},
|
|
{SMB_VFS_OP(vfswrap_sys_acl_get_tag_type), SMB_VFS_OP_SYS_ACL_GET_TAG_TYPE,
|
|
SMB_VFS_LAYER_OPAQUE},
|
|
{SMB_VFS_OP(vfswrap_sys_acl_get_permset), SMB_VFS_OP_SYS_ACL_GET_PERMSET,
|
|
SMB_VFS_LAYER_OPAQUE},
|
|
{SMB_VFS_OP(vfswrap_sys_acl_get_qualifier), SMB_VFS_OP_SYS_ACL_GET_QUALIFIER,
|
|
SMB_VFS_LAYER_OPAQUE},
|
|
{SMB_VFS_OP(vfswrap_sys_acl_get_file), SMB_VFS_OP_SYS_ACL_GET_FILE,
|
|
SMB_VFS_LAYER_OPAQUE},
|
|
{SMB_VFS_OP(vfswrap_sys_acl_get_fd), SMB_VFS_OP_SYS_ACL_GET_FD,
|
|
SMB_VFS_LAYER_OPAQUE},
|
|
{SMB_VFS_OP(vfswrap_sys_acl_clear_perms), SMB_VFS_OP_SYS_ACL_CLEAR_PERMS,
|
|
SMB_VFS_LAYER_OPAQUE},
|
|
{SMB_VFS_OP(vfswrap_sys_acl_add_perm), SMB_VFS_OP_SYS_ACL_ADD_PERM,
|
|
SMB_VFS_LAYER_OPAQUE},
|
|
{SMB_VFS_OP(vfswrap_sys_acl_to_text), SMB_VFS_OP_SYS_ACL_TO_TEXT,
|
|
SMB_VFS_LAYER_OPAQUE},
|
|
{SMB_VFS_OP(vfswrap_sys_acl_init), SMB_VFS_OP_SYS_ACL_INIT,
|
|
SMB_VFS_LAYER_OPAQUE},
|
|
{SMB_VFS_OP(vfswrap_sys_acl_create_entry), SMB_VFS_OP_SYS_ACL_CREATE_ENTRY,
|
|
SMB_VFS_LAYER_OPAQUE},
|
|
{SMB_VFS_OP(vfswrap_sys_acl_set_tag_type), SMB_VFS_OP_SYS_ACL_SET_TAG_TYPE,
|
|
SMB_VFS_LAYER_OPAQUE},
|
|
{SMB_VFS_OP(vfswrap_sys_acl_set_qualifier), SMB_VFS_OP_SYS_ACL_SET_QUALIFIER,
|
|
SMB_VFS_LAYER_OPAQUE},
|
|
{SMB_VFS_OP(vfswrap_sys_acl_set_permset), SMB_VFS_OP_SYS_ACL_SET_PERMSET,
|
|
SMB_VFS_LAYER_OPAQUE},
|
|
{SMB_VFS_OP(vfswrap_sys_acl_valid), SMB_VFS_OP_SYS_ACL_VALID,
|
|
SMB_VFS_LAYER_OPAQUE},
|
|
{SMB_VFS_OP(vfswrap_sys_acl_set_file), SMB_VFS_OP_SYS_ACL_SET_FILE,
|
|
SMB_VFS_LAYER_OPAQUE},
|
|
{SMB_VFS_OP(vfswrap_sys_acl_set_fd), SMB_VFS_OP_SYS_ACL_SET_FD,
|
|
SMB_VFS_LAYER_OPAQUE},
|
|
{SMB_VFS_OP(vfswrap_sys_acl_delete_def_file), SMB_VFS_OP_SYS_ACL_DELETE_DEF_FILE,
|
|
SMB_VFS_LAYER_OPAQUE},
|
|
{SMB_VFS_OP(vfswrap_sys_acl_get_perm), SMB_VFS_OP_SYS_ACL_GET_PERM,
|
|
SMB_VFS_LAYER_OPAQUE},
|
|
{SMB_VFS_OP(vfswrap_sys_acl_free_text), SMB_VFS_OP_SYS_ACL_FREE_TEXT,
|
|
SMB_VFS_LAYER_OPAQUE},
|
|
{SMB_VFS_OP(vfswrap_sys_acl_free_acl), SMB_VFS_OP_SYS_ACL_FREE_ACL,
|
|
SMB_VFS_LAYER_OPAQUE},
|
|
{SMB_VFS_OP(vfswrap_sys_acl_free_qualifier), SMB_VFS_OP_SYS_ACL_FREE_QUALIFIER,
|
|
SMB_VFS_LAYER_OPAQUE},
|
|
|
|
/* EA operations. */
|
|
|
|
{SMB_VFS_OP(vfswrap_getxattr), SMB_VFS_OP_GETXATTR,
|
|
SMB_VFS_LAYER_OPAQUE},
|
|
{SMB_VFS_OP(vfswrap_lgetxattr), SMB_VFS_OP_LGETXATTR,
|
|
SMB_VFS_LAYER_OPAQUE},
|
|
{SMB_VFS_OP(vfswrap_fgetxattr), SMB_VFS_OP_FGETXATTR,
|
|
SMB_VFS_LAYER_OPAQUE},
|
|
{SMB_VFS_OP(vfswrap_listxattr), SMB_VFS_OP_LISTXATTR,
|
|
SMB_VFS_LAYER_OPAQUE},
|
|
{SMB_VFS_OP(vfswrap_llistxattr), SMB_VFS_OP_LLISTXATTR,
|
|
SMB_VFS_LAYER_OPAQUE},
|
|
{SMB_VFS_OP(vfswrap_flistxattr), SMB_VFS_OP_FLISTXATTR,
|
|
SMB_VFS_LAYER_OPAQUE},
|
|
{SMB_VFS_OP(vfswrap_removexattr), SMB_VFS_OP_REMOVEXATTR,
|
|
SMB_VFS_LAYER_OPAQUE},
|
|
{SMB_VFS_OP(vfswrap_lremovexattr), SMB_VFS_OP_LREMOVEXATTR,
|
|
SMB_VFS_LAYER_OPAQUE},
|
|
{SMB_VFS_OP(vfswrap_fremovexattr), SMB_VFS_OP_FREMOVEXATTR,
|
|
SMB_VFS_LAYER_OPAQUE},
|
|
{SMB_VFS_OP(vfswrap_setxattr), SMB_VFS_OP_SETXATTR,
|
|
SMB_VFS_LAYER_OPAQUE},
|
|
{SMB_VFS_OP(vfswrap_lsetxattr), SMB_VFS_OP_LSETXATTR,
|
|
SMB_VFS_LAYER_OPAQUE},
|
|
{SMB_VFS_OP(vfswrap_fsetxattr), SMB_VFS_OP_FSETXATTR,
|
|
SMB_VFS_LAYER_OPAQUE},
|
|
|
|
{SMB_VFS_OP(vfswrap_aio_read), SMB_VFS_OP_AIO_READ,
|
|
SMB_VFS_LAYER_OPAQUE},
|
|
{SMB_VFS_OP(vfswrap_aio_write), SMB_VFS_OP_AIO_WRITE,
|
|
SMB_VFS_LAYER_OPAQUE},
|
|
{SMB_VFS_OP(vfswrap_aio_return), SMB_VFS_OP_AIO_RETURN,
|
|
SMB_VFS_LAYER_OPAQUE},
|
|
{SMB_VFS_OP(vfswrap_aio_cancel), SMB_VFS_OP_AIO_CANCEL,
|
|
SMB_VFS_LAYER_OPAQUE},
|
|
{SMB_VFS_OP(vfswrap_aio_error), SMB_VFS_OP_AIO_ERROR,
|
|
SMB_VFS_LAYER_OPAQUE},
|
|
{SMB_VFS_OP(vfswrap_aio_fsync), SMB_VFS_OP_AIO_FSYNC,
|
|
SMB_VFS_LAYER_OPAQUE},
|
|
{SMB_VFS_OP(vfswrap_aio_suspend),SMB_VFS_OP_AIO_SUSPEND,
|
|
SMB_VFS_LAYER_OPAQUE},
|
|
|
|
/* Finish VFS operations definition */
|
|
|
|
{SMB_VFS_OP(NULL), SMB_VFS_OP_NOOP,
|
|
SMB_VFS_LAYER_NOOP}
|
|
};
|
|
|
|
NTSTATUS vfs_default_init(void);
|
|
NTSTATUS vfs_default_init(void)
|
|
{
|
|
unsigned int needed = SMB_VFS_OP_LAST + 1; /* convert from index to count */
|
|
|
|
if (ARRAY_SIZE(vfs_default_ops) != needed) {
|
|
DEBUG(0, ("%s: %u ops registered, but %u ops are required\n",
|
|
DEFAULT_VFS_MODULE_NAME, (unsigned int)ARRAY_SIZE(vfs_default_ops), needed));
|
|
smb_panic("operation(s) missing from default VFS module");
|
|
}
|
|
|
|
return smb_register_vfs(SMB_VFS_INTERFACE_VERSION,
|
|
DEFAULT_VFS_MODULE_NAME, vfs_default_ops);
|
|
}
|