mirror of
https://github.com/samba-team/samba.git
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7f6bb48bdf
Guenther
1740 lines
44 KiB
C
1740 lines
44 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 uint64_t vfswrap_disk_free(vfs_handle_struct *handle, const char *path, bool small_query, uint64_t *bsize,
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uint64_t *dfree, uint64_t *dsize)
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{
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uint64_t 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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static uint32_t vfswrap_fs_capabilities(struct vfs_handle_struct *handle,
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enum timestamp_set_resolution *p_ts_res)
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{
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connection_struct *conn = handle->conn;
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uint32_t caps = FILE_CASE_SENSITIVE_SEARCH | FILE_CASE_PRESERVED_NAMES;
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struct smb_filename *smb_fname_cpath = NULL;
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NTSTATUS status;
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int ret = -1;
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#if defined(DARWINOS)
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struct vfs_statvfs_struct statbuf;
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ZERO_STRUCT(statbuf);
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sys_statvfs(conn->connectpath, &statbuf);
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caps = statbuf.FsCapabilities;
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#endif
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*p_ts_res = TIMESTAMP_SET_SECONDS;
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/* Work out what timestamp resolution we can
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* use when setting a timestamp. */
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status = create_synthetic_smb_fname(talloc_tos(),
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conn->connectpath,
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NULL,
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NULL,
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&smb_fname_cpath);
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if (!NT_STATUS_IS_OK(status)) {
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return caps;
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}
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ret = SMB_VFS_STAT(conn, smb_fname_cpath);
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if (ret == -1) {
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TALLOC_FREE(smb_fname_cpath);
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return caps;
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}
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if (smb_fname_cpath->st.st_ex_mtime.tv_nsec ||
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smb_fname_cpath->st.st_ex_atime.tv_nsec ||
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smb_fname_cpath->st.st_ex_ctime.tv_nsec) {
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/* If any of the normal UNIX directory timestamps
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* have a non-zero tv_nsec component assume
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* we might be able to set sub-second timestamps.
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* See what filetime set primitives we have.
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*/
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#if defined(HAVE_UTIMENSAT)
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*p_ts_res = TIMESTAMP_SET_NT_OR_BETTER;
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#elif defined(HAVE_UTIMES)
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/* utimes allows msec timestamps to be set. */
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*p_ts_res = TIMESTAMP_SET_MSEC;
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#elif defined(HAVE_UTIME)
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/* utime only allows sec timestamps to be set. */
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*p_ts_res = TIMESTAMP_SET_SECONDS;
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#endif
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DEBUG(10,("vfswrap_fs_capabilities: timestamp "
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"resolution of %s "
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"available on share %s, directory %s\n",
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*p_ts_res == TIMESTAMP_SET_MSEC ? "msec" : "sec",
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lp_servicename(conn->params->service),
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conn->connectpath ));
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}
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TALLOC_FREE(smb_fname_cpath);
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return caps;
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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,
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SMB_STRUCT_DIR *dirp,
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SMB_STRUCT_STAT *sbuf)
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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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/* Default Posix readdir() does not give us stat info.
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* Set to invalid to indicate we didn't return this info. */
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if (sbuf)
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SET_STAT_INVALID(*sbuf);
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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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char *parent = NULL;
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START_PROFILE(syscall_mkdir);
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if (lp_inherit_acls(SNUM(handle->conn))
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&& parent_dirname(talloc_tos(), path, &parent, NULL)
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&& (has_dacl = directory_has_default_acl(handle->conn, parent)))
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mode = 0777;
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TALLOC_FREE(parent);
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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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static void vfswrap_init_search_op(vfs_handle_struct *handle,
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SMB_STRUCT_DIR *dirp)
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{
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/* Default behavior is a NOOP */
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}
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/* File operations */
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static int vfswrap_open(vfs_handle_struct *handle,
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struct smb_filename *smb_fname,
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files_struct *fsp, int flags, mode_t mode)
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{
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int result = -1;
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START_PROFILE(syscall_open);
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if (smb_fname->stream_name) {
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errno = ENOENT;
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goto out;
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}
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result = sys_open(smb_fname->base_name, flags, mode);
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out:
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END_PROFILE(syscall_open);
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return result;
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}
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static NTSTATUS vfswrap_create_file(vfs_handle_struct *handle,
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struct smb_request *req,
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uint16_t root_dir_fid,
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struct smb_filename *smb_fname,
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uint32_t access_mask,
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uint32_t share_access,
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uint32_t create_disposition,
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uint32_t create_options,
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uint32_t file_attributes,
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uint32_t oplock_request,
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uint64_t allocation_size,
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uint32_t private_flags,
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struct security_descriptor *sd,
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struct ea_list *ea_list,
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files_struct **result,
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int *pinfo)
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{
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return create_file_default(handle->conn, req, root_dir_fid, smb_fname,
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access_mask, share_access,
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create_disposition, create_options,
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file_attributes, oplock_request,
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allocation_size, private_flags,
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sd, ea_list, result,
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pinfo);
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}
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static int vfswrap_close(vfs_handle_struct *handle, files_struct *fsp)
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{
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int result;
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START_PROFILE(syscall_close);
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result = fd_close_posix(fsp);
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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, 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(fsp->fh->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, 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, 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, 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, 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(fsp->fh->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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|
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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, data, n);
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}
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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, 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;
|
|
}
|
|
|
|
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;
|
|
|
|
START_PROFILE(syscall_lseek);
|
|
|
|
/* 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);
|
|
|
|
/*
|
|
* We want to maintain the fiction that we can seek
|
|
* on a fifo for file system purposes. This allows
|
|
* people to set up UNIX fifo's that feed data to Windows
|
|
* applications. JRA.
|
|
*/
|
|
|
|
if((result == -1) && (errno == ESPIPE)) {
|
|
result = 0;
|
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errno = 0;
|
|
}
|
|
|
|
END_PROFILE(syscall_lseek);
|
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return result;
|
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}
|
|
|
|
static ssize_t vfswrap_sendfile(vfs_handle_struct *handle, int tofd, files_struct *fromfsp, const DATA_BLOB *hdr,
|
|
SMB_OFF_T offset, size_t n)
|
|
{
|
|
ssize_t result;
|
|
|
|
START_PROFILE_BYTES(syscall_sendfile, n);
|
|
result = sys_sendfile(tofd, fromfsp->fh->fd, hdr, offset, n);
|
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END_PROFILE(syscall_sendfile);
|
|
return result;
|
|
}
|
|
|
|
static ssize_t vfswrap_recvfile(vfs_handle_struct *handle,
|
|
int fromfd,
|
|
files_struct *tofsp,
|
|
SMB_OFF_T offset,
|
|
size_t n)
|
|
{
|
|
ssize_t result;
|
|
|
|
START_PROFILE_BYTES(syscall_recvfile, n);
|
|
result = sys_recvfile(fromfd, tofsp->fh->fd, offset, n);
|
|
END_PROFILE(syscall_recvfile);
|
|
return result;
|
|
}
|
|
|
|
static int vfswrap_rename(vfs_handle_struct *handle,
|
|
const struct smb_filename *smb_fname_src,
|
|
const struct smb_filename *smb_fname_dst)
|
|
{
|
|
int result = -1;
|
|
|
|
START_PROFILE(syscall_rename);
|
|
|
|
if (smb_fname_src->stream_name || smb_fname_dst->stream_name) {
|
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errno = ENOENT;
|
|
goto out;
|
|
}
|
|
|
|
result = rename(smb_fname_src->base_name, smb_fname_dst->base_name);
|
|
|
|
out:
|
|
END_PROFILE(syscall_rename);
|
|
return result;
|
|
}
|
|
|
|
static int vfswrap_fsync(vfs_handle_struct *handle, files_struct *fsp)
|
|
{
|
|
#ifdef HAVE_FSYNC
|
|
int result;
|
|
|
|
START_PROFILE(syscall_fsync);
|
|
result = fsync(fsp->fh->fd);
|
|
END_PROFILE(syscall_fsync);
|
|
return result;
|
|
#else
|
|
return 0;
|
|
#endif
|
|
}
|
|
|
|
static int vfswrap_stat(vfs_handle_struct *handle,
|
|
struct smb_filename *smb_fname)
|
|
{
|
|
int result = -1;
|
|
|
|
START_PROFILE(syscall_stat);
|
|
|
|
if (smb_fname->stream_name) {
|
|
errno = ENOENT;
|
|
goto out;
|
|
}
|
|
|
|
result = sys_stat(smb_fname->base_name, &smb_fname->st,
|
|
lp_fake_dir_create_times(SNUM(handle->conn)));
|
|
out:
|
|
END_PROFILE(syscall_stat);
|
|
return result;
|
|
}
|
|
|
|
static int vfswrap_fstat(vfs_handle_struct *handle, files_struct *fsp, SMB_STRUCT_STAT *sbuf)
|
|
{
|
|
int result;
|
|
|
|
START_PROFILE(syscall_fstat);
|
|
result = sys_fstat(fsp->fh->fd,
|
|
sbuf, lp_fake_dir_create_times(SNUM(handle->conn)));
|
|
END_PROFILE(syscall_fstat);
|
|
return result;
|
|
}
|
|
|
|
static int vfswrap_lstat(vfs_handle_struct *handle,
|
|
struct smb_filename *smb_fname)
|
|
{
|
|
int result = -1;
|
|
|
|
START_PROFILE(syscall_lstat);
|
|
|
|
if (smb_fname->stream_name) {
|
|
errno = ENOENT;
|
|
goto out;
|
|
}
|
|
|
|
result = sys_lstat(smb_fname->base_name, &smb_fname->st,
|
|
lp_fake_dir_create_times(SNUM(handle->conn)));
|
|
out:
|
|
END_PROFILE(syscall_lstat);
|
|
return result;
|
|
}
|
|
|
|
static NTSTATUS vfswrap_translate_name(struct vfs_handle_struct *handle,
|
|
const char *name,
|
|
enum vfs_translate_direction direction,
|
|
TALLOC_CTX *mem_ctx,
|
|
char **mapped_name)
|
|
{
|
|
return NT_STATUS_NONE_MAPPED;
|
|
}
|
|
|
|
/********************************************************************
|
|
Given a stat buffer return the allocated size on disk, taking into
|
|
account sparse files.
|
|
********************************************************************/
|
|
static uint64_t vfswrap_get_alloc_size(vfs_handle_struct *handle,
|
|
struct files_struct *fsp,
|
|
const SMB_STRUCT_STAT *sbuf)
|
|
{
|
|
uint64_t result;
|
|
|
|
START_PROFILE(syscall_get_alloc_size);
|
|
|
|
if(S_ISDIR(sbuf->st_ex_mode)) {
|
|
result = 0;
|
|
goto out;
|
|
}
|
|
|
|
#if defined(HAVE_STAT_ST_BLOCKS) && defined(STAT_ST_BLOCKSIZE)
|
|
result = (uint64_t)STAT_ST_BLOCKSIZE * (uint64_t)sbuf->st_ex_blocks;
|
|
#else
|
|
result = get_file_size_stat(sbuf);
|
|
#endif
|
|
|
|
if (fsp && fsp->initial_allocation_size)
|
|
result = MAX(result,fsp->initial_allocation_size);
|
|
|
|
result = smb_roundup(handle->conn, result);
|
|
|
|
out:
|
|
END_PROFILE(syscall_get_alloc_size);
|
|
return result;
|
|
}
|
|
|
|
static int vfswrap_unlink(vfs_handle_struct *handle,
|
|
const struct smb_filename *smb_fname)
|
|
{
|
|
int result = -1;
|
|
|
|
START_PROFILE(syscall_unlink);
|
|
|
|
if (smb_fname->stream_name) {
|
|
errno = ENOENT;
|
|
goto out;
|
|
}
|
|
result = unlink(smb_fname->base_name);
|
|
|
|
out:
|
|
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, 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, mode)) == 0) {
|
|
END_PROFILE(syscall_fchmod);
|
|
return result;
|
|
}
|
|
/* Error - return the old errno. */
|
|
errno = saved_errno;
|
|
}
|
|
|
|
#if defined(HAVE_FCHMOD)
|
|
result = fchmod(fsp->fh->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 = chown(path, uid, gid);
|
|
END_PROFILE(syscall_chown);
|
|
return result;
|
|
}
|
|
|
|
static int vfswrap_fchown(vfs_handle_struct *handle, files_struct *fsp, uid_t uid, gid_t gid)
|
|
{
|
|
#ifdef HAVE_FCHOWN
|
|
int result;
|
|
|
|
START_PROFILE(syscall_fchown);
|
|
result = fchown(fsp->fh->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 = 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 struct smb_filename *smb_fname,
|
|
struct smb_file_time *ft)
|
|
{
|
|
int result = -1;
|
|
|
|
START_PROFILE(syscall_ntimes);
|
|
|
|
if (smb_fname->stream_name) {
|
|
errno = ENOENT;
|
|
goto out;
|
|
}
|
|
|
|
if (null_timespec(ft->atime)) {
|
|
ft->atime= smb_fname->st.st_ex_atime;
|
|
}
|
|
|
|
if (null_timespec(ft->mtime)) {
|
|
ft->mtime = smb_fname->st.st_ex_mtime;
|
|
}
|
|
|
|
if (!null_timespec(ft->create_time)) {
|
|
set_create_timespec_ea(handle->conn,
|
|
smb_fname,
|
|
ft->create_time);
|
|
}
|
|
|
|
if ((timespec_compare(&ft->atime,
|
|
&smb_fname->st.st_ex_atime) == 0) &&
|
|
(timespec_compare(&ft->mtime,
|
|
&smb_fname->st.st_ex_mtime) == 0)) {
|
|
return 0;
|
|
}
|
|
|
|
#if defined(HAVE_UTIMENSAT)
|
|
if (ft != NULL) {
|
|
struct timespec ts[2];
|
|
ts[0] = ft->atime;
|
|
ts[1] = ft->mtime;
|
|
result = utimensat(AT_FDCWD, smb_fname->base_name, ts, 0);
|
|
} else {
|
|
result = utimensat(AT_FDCWD, smb_fname->base_name, NULL, 0);
|
|
}
|
|
#elif defined(HAVE_UTIMES)
|
|
if (ft != NULL) {
|
|
struct timeval tv[2];
|
|
tv[0] = convert_timespec_to_timeval(ft->atime);
|
|
tv[1] = convert_timespec_to_timeval(ft->mtime);
|
|
result = utimes(smb_fname->base_name, tv);
|
|
} else {
|
|
result = utimes(smb_fname->base_name, NULL);
|
|
}
|
|
#elif defined(HAVE_UTIME)
|
|
if (ft != NULL) {
|
|
struct utimbuf times;
|
|
times.actime = convert_timespec_to_time_t(ft->atime);
|
|
times.modtime = convert_timespec_to_time_t(ft->mtime);
|
|
result = utime(smb_fname->base_name, ×);
|
|
} else {
|
|
result = utime(smb_fname->base_name, NULL);
|
|
}
|
|
#else
|
|
errno = ENOSYS;
|
|
result = -1;
|
|
#endif
|
|
|
|
out:
|
|
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, 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;
|
|
uint64_t space_avail;
|
|
uint64_t bsize,dfree,dsize;
|
|
int ret;
|
|
|
|
if (currpos == -1)
|
|
return -1;
|
|
|
|
if (SMB_VFS_FSTAT(fsp, &st) == -1)
|
|
return -1;
|
|
|
|
#ifdef S_ISFIFO
|
|
if (S_ISFIFO(st.st_ex_mode))
|
|
return 0;
|
|
#endif
|
|
|
|
if (st.st_ex_size == len)
|
|
return 0;
|
|
|
|
/* Shrink - just ftruncate. */
|
|
if (st.st_ex_size > len)
|
|
return sys_ftruncate(fsp->fh->fd, len);
|
|
|
|
space_to_write = len - st.st_ex_size;
|
|
|
|
/* for allocation try posix_fallocate first. This can fail on some
|
|
platforms e.g. when the filesystem doesn't support it and no
|
|
emulation is being done by the libc (like on AIX with JFS1). In that
|
|
case we do our own emulation. posix_fallocate implementations can
|
|
return ENOTSUP or EINVAL in cases like that. */
|
|
ret = sys_posix_fallocate(fsp->fh->fd, st.st_ex_size, space_to_write);
|
|
if (ret == ENOSPC) {
|
|
errno = ENOSPC;
|
|
return -1;
|
|
}
|
|
if (ret == 0) {
|
|
return 0;
|
|
}
|
|
DEBUG(10,("strict_allocate_ftruncate: sys_posix_fallocate failed with "
|
|
"error %d. Falling back to slow manual allocation\n", ret));
|
|
|
|
/* available disk space is enough or not? */
|
|
space_avail = get_dfree_info(fsp->conn,
|
|
fsp->fsp_name->base_name, false,
|
|
&bsize,&dfree,&dsize);
|
|
/* space_avail is 1k blocks */
|
|
if (space_avail == (uint64_t)-1 ||
|
|
((uint64_t)space_to_write/1024 > space_avail) ) {
|
|
errno = ENOSPC;
|
|
return -1;
|
|
}
|
|
|
|
/* Write out the real space on disk. */
|
|
if (SMB_VFS_LSEEK(fsp, st.st_ex_size, SEEK_SET) != st.st_ex_size)
|
|
return -1;
|
|
|
|
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,(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, 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, 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(fsp->fh->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, &st) == -1) {
|
|
goto done;
|
|
}
|
|
|
|
#ifdef S_ISFIFO
|
|
if (S_ISFIFO(st.st_ex_mode)) {
|
|
result = 0;
|
|
goto done;
|
|
}
|
|
#endif
|
|
|
|
if (st.st_ex_size == len) {
|
|
result = 0;
|
|
goto done;
|
|
}
|
|
|
|
if (st.st_ex_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, &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 op, SMB_OFF_T offset, SMB_OFF_T count, int type)
|
|
{
|
|
bool result;
|
|
|
|
START_PROFILE(syscall_fcntl_lock);
|
|
result = fcntl_lock(fsp->fh->fd, op, offset, count, type);
|
|
END_PROFILE(syscall_fcntl_lock);
|
|
return result;
|
|
}
|
|
|
|
static int vfswrap_kernel_flock(vfs_handle_struct *handle, files_struct *fsp,
|
|
uint32 share_mode, uint32 access_mask)
|
|
{
|
|
START_PROFILE(syscall_kernel_flock);
|
|
kernel_flock(fsp->fh->fd, share_mode, access_mask);
|
|
END_PROFILE(syscall_kernel_flock);
|
|
return 0;
|
|
}
|
|
|
|
static bool vfswrap_getlock(vfs_handle_struct *handle, files_struct *fsp, SMB_OFF_T *poffset, SMB_OFF_T *pcount, int *ptype, pid_t *ppid)
|
|
{
|
|
bool result;
|
|
|
|
START_PROFILE(syscall_fcntl_getlock);
|
|
result = fcntl_getlock(fsp->fh->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 leasetype)
|
|
{
|
|
int result = -1;
|
|
|
|
START_PROFILE(syscall_linux_setlease);
|
|
|
|
#ifdef HAVE_KERNEL_OPLOCKS_LINUX
|
|
/* first set the signal handler */
|
|
if(linux_set_lease_sighandler(fsp->fh->fd) == -1) {
|
|
return -1;
|
|
}
|
|
|
|
result = linux_setlease(fsp->fh->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 = 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 = 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 = 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 = 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,
|
|
unsigned 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,
|
|
const SMB_STRUCT_STAT *sbuf)
|
|
{
|
|
struct file_id key;
|
|
|
|
/* the ZERO_STRUCT ensures padding doesn't break using the key as a
|
|
* blob */
|
|
ZERO_STRUCT(key);
|
|
|
|
key.devid = sbuf->st_ex_dev;
|
|
key.inode = sbuf->st_ex_ino;
|
|
/* key.extid is unused by default. */
|
|
|
|
return key;
|
|
}
|
|
|
|
static NTSTATUS vfswrap_streaminfo(vfs_handle_struct *handle,
|
|
struct files_struct *fsp,
|
|
const char *fname,
|
|
TALLOC_CTX *mem_ctx,
|
|
unsigned int *pnum_streams,
|
|
struct stream_struct **pstreams)
|
|
{
|
|
SMB_STRUCT_STAT sbuf;
|
|
unsigned int num_streams = 0;
|
|
struct stream_struct *streams = NULL;
|
|
int ret;
|
|
|
|
if ((fsp != NULL) && (fsp->is_directory)) {
|
|
/*
|
|
* No default streams on directories
|
|
*/
|
|
goto done;
|
|
}
|
|
|
|
if ((fsp != NULL) && (fsp->fh->fd != -1)) {
|
|
ret = SMB_VFS_FSTAT(fsp, &sbuf);
|
|
}
|
|
else {
|
|
struct smb_filename smb_fname;
|
|
|
|
ZERO_STRUCT(smb_fname);
|
|
smb_fname.base_name = discard_const_p(char, fname);
|
|
|
|
if (lp_posix_pathnames()) {
|
|
ret = SMB_VFS_LSTAT(handle->conn, &smb_fname);
|
|
} else {
|
|
ret = SMB_VFS_STAT(handle->conn, &smb_fname);
|
|
}
|
|
sbuf = smb_fname.st;
|
|
}
|
|
|
|
if (ret == -1) {
|
|
return map_nt_error_from_unix(errno);
|
|
}
|
|
|
|
if (S_ISDIR(sbuf.st_ex_mode)) {
|
|
goto done;
|
|
}
|
|
|
|
streams = talloc(mem_ctx, struct stream_struct);
|
|
|
|
if (streams == NULL) {
|
|
return NT_STATUS_NO_MEMORY;
|
|
}
|
|
|
|
streams->size = sbuf.st_ex_size;
|
|
streams->alloc_size = SMB_VFS_GET_ALLOC_SIZE(handle->conn, fsp, &sbuf);
|
|
|
|
streams->name = talloc_strdup(streams, "::$DATA");
|
|
if (streams->name == NULL) {
|
|
TALLOC_FREE(streams);
|
|
return NT_STATUS_NO_MEMORY;
|
|
}
|
|
|
|
num_streams = 1;
|
|
done:
|
|
*pnum_streams = num_streams;
|
|
*pstreams = streams;
|
|
return NT_STATUS_OK;
|
|
}
|
|
|
|
static int vfswrap_get_real_filename(struct vfs_handle_struct *handle,
|
|
const char *path,
|
|
const char *name,
|
|
TALLOC_CTX *mem_ctx,
|
|
char **found_name)
|
|
{
|
|
/*
|
|
* Don't fall back to get_real_filename so callers can differentiate
|
|
* between a full directory scan and an actual case-insensitive stat.
|
|
*/
|
|
errno = EOPNOTSUPP;
|
|
return -1;
|
|
}
|
|
|
|
static const char *vfswrap_connectpath(struct vfs_handle_struct *handle,
|
|
const char *fname)
|
|
{
|
|
return handle->conn->connectpath;
|
|
}
|
|
|
|
static NTSTATUS vfswrap_brl_lock_windows(struct vfs_handle_struct *handle,
|
|
struct byte_range_lock *br_lck,
|
|
struct lock_struct *plock,
|
|
bool blocking_lock,
|
|
struct blocking_lock_record *blr)
|
|
{
|
|
SMB_ASSERT(plock->lock_flav == WINDOWS_LOCK);
|
|
|
|
/* Note: blr is not used in the default implementation. */
|
|
return brl_lock_windows_default(br_lck, plock, blocking_lock);
|
|
}
|
|
|
|
static bool vfswrap_brl_unlock_windows(struct vfs_handle_struct *handle,
|
|
struct messaging_context *msg_ctx,
|
|
struct byte_range_lock *br_lck,
|
|
const struct lock_struct *plock)
|
|
{
|
|
SMB_ASSERT(plock->lock_flav == WINDOWS_LOCK);
|
|
|
|
return brl_unlock_windows_default(msg_ctx, br_lck, plock);
|
|
}
|
|
|
|
static bool vfswrap_brl_cancel_windows(struct vfs_handle_struct *handle,
|
|
struct byte_range_lock *br_lck,
|
|
struct lock_struct *plock,
|
|
struct blocking_lock_record *blr)
|
|
{
|
|
SMB_ASSERT(plock->lock_flav == WINDOWS_LOCK);
|
|
|
|
/* Note: blr is not used in the default implementation. */
|
|
return brl_lock_cancel_default(br_lck, plock);
|
|
}
|
|
|
|
static bool vfswrap_strict_lock(struct vfs_handle_struct *handle,
|
|
files_struct *fsp,
|
|
struct lock_struct *plock)
|
|
{
|
|
SMB_ASSERT(plock->lock_type == READ_LOCK ||
|
|
plock->lock_type == WRITE_LOCK);
|
|
|
|
return strict_lock_default(fsp, plock);
|
|
}
|
|
|
|
static void vfswrap_strict_unlock(struct vfs_handle_struct *handle,
|
|
files_struct *fsp,
|
|
struct lock_struct *plock)
|
|
{
|
|
SMB_ASSERT(plock->lock_type == READ_LOCK ||
|
|
plock->lock_type == WRITE_LOCK);
|
|
|
|
strict_unlock_default(fsp, plock);
|
|
}
|
|
|
|
/* NT ACL operations. */
|
|
|
|
static NTSTATUS vfswrap_fget_nt_acl(vfs_handle_struct *handle,
|
|
files_struct *fsp,
|
|
uint32 security_info,
|
|
struct security_descriptor **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,
|
|
struct security_descriptor **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, const struct security_descriptor *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 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, mode_t mode)
|
|
{
|
|
#ifdef HAVE_NO_ACL
|
|
errno = ENOSYS;
|
|
return -1;
|
|
#else
|
|
int result;
|
|
|
|
START_PROFILE(fchmod_acl);
|
|
result = fchmod_acl(fsp, 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)
|
|
{
|
|
return sys_acl_get_fd(handle, fsp);
|
|
}
|
|
|
|
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, SMB_ACL_T theacl)
|
|
{
|
|
return sys_acl_set_fd(handle, fsp, 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, const char *name, void *value, size_t size)
|
|
{
|
|
return sys_fgetxattr(fsp->fh->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, char *list, size_t size)
|
|
{
|
|
return sys_flistxattr(fsp->fh->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, const char *name)
|
|
{
|
|
return sys_fremovexattr(fsp->fh->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, const char *name, const void *value, size_t size, int flags)
|
|
{
|
|
return sys_fsetxattr(fsp->fh->fd, name, value, size, flags);
|
|
}
|
|
|
|
static int vfswrap_aio_read(struct vfs_handle_struct *handle, struct files_struct *fsp, SMB_STRUCT_AIOCB *aiocb)
|
|
{
|
|
int ret;
|
|
/*
|
|
* aio_read must be done as root, because in the glibc aio
|
|
* implementation the helper thread needs to be able to send a signal
|
|
* to the main thread, even when it has done a seteuid() to a
|
|
* different user.
|
|
*/
|
|
become_root();
|
|
ret = sys_aio_read(aiocb);
|
|
unbecome_root();
|
|
return ret;
|
|
}
|
|
|
|
static int vfswrap_aio_write(struct vfs_handle_struct *handle, struct files_struct *fsp, SMB_STRUCT_AIOCB *aiocb)
|
|
{
|
|
int ret;
|
|
/*
|
|
* aio_write must be done as root, because in the glibc aio
|
|
* implementation the helper thread needs to be able to send a signal
|
|
* to the main thread, even when it has done a seteuid() to a
|
|
* different user.
|
|
*/
|
|
become_root();
|
|
ret = sys_aio_write(aiocb);
|
|
unbecome_root();
|
|
return ret;
|
|
}
|
|
|
|
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, SMB_STRUCT_AIOCB *aiocb)
|
|
{
|
|
return sys_aio_cancel(fsp->fh->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 bool vfswrap_aio_force(struct vfs_handle_struct *handle, struct files_struct *fsp)
|
|
{
|
|
return false;
|
|
}
|
|
|
|
static bool vfswrap_is_offline(struct vfs_handle_struct *handle, const char *path, SMB_STRUCT_STAT *sbuf)
|
|
{
|
|
if (ISDOT(path) || ISDOTDOT(path)) {
|
|
return false;
|
|
}
|
|
|
|
if (!lp_dmapi_support(SNUM(handle->conn)) || !dmapi_have_session()) {
|
|
#if defined(ENOTSUP)
|
|
errno = ENOTSUP;
|
|
#endif
|
|
return false;
|
|
}
|
|
|
|
return (dmapi_file_flags(path) & FILE_ATTRIBUTE_OFFLINE) != 0;
|
|
}
|
|
|
|
static int vfswrap_set_offline(struct vfs_handle_struct *handle, const char *path)
|
|
{
|
|
/* We don't know how to set offline bit by default, needs to be overriden in the vfs modules */
|
|
#if defined(ENOTSUP)
|
|
errno = ENOTSUP;
|
|
#endif
|
|
return -1;
|
|
}
|
|
|
|
static struct vfs_fn_pointers vfs_default_fns = {
|
|
/* Disk operations */
|
|
|
|
.connect_fn = vfswrap_connect,
|
|
.disconnect = vfswrap_disconnect,
|
|
.disk_free = vfswrap_disk_free,
|
|
.get_quota = vfswrap_get_quota,
|
|
.set_quota = vfswrap_set_quota,
|
|
.get_shadow_copy_data = vfswrap_get_shadow_copy_data,
|
|
.statvfs = vfswrap_statvfs,
|
|
.fs_capabilities = vfswrap_fs_capabilities,
|
|
|
|
/* Directory operations */
|
|
|
|
.opendir = vfswrap_opendir,
|
|
.readdir = vfswrap_readdir,
|
|
.seekdir = vfswrap_seekdir,
|
|
.telldir = vfswrap_telldir,
|
|
.rewind_dir = vfswrap_rewinddir,
|
|
.mkdir = vfswrap_mkdir,
|
|
.rmdir = vfswrap_rmdir,
|
|
.closedir = vfswrap_closedir,
|
|
.init_search_op = vfswrap_init_search_op,
|
|
|
|
/* File operations */
|
|
|
|
.open = vfswrap_open,
|
|
.create_file = vfswrap_create_file,
|
|
.close_fn = vfswrap_close,
|
|
.vfs_read = vfswrap_read,
|
|
.pread = vfswrap_pread,
|
|
.write = vfswrap_write,
|
|
.pwrite = vfswrap_pwrite,
|
|
.lseek = vfswrap_lseek,
|
|
.sendfile = vfswrap_sendfile,
|
|
.recvfile = vfswrap_recvfile,
|
|
.rename = vfswrap_rename,
|
|
.fsync = vfswrap_fsync,
|
|
.stat = vfswrap_stat,
|
|
.fstat = vfswrap_fstat,
|
|
.lstat = vfswrap_lstat,
|
|
.get_alloc_size = vfswrap_get_alloc_size,
|
|
.unlink = vfswrap_unlink,
|
|
.chmod = vfswrap_chmod,
|
|
.fchmod = vfswrap_fchmod,
|
|
.chown = vfswrap_chown,
|
|
.fchown = vfswrap_fchown,
|
|
.lchown = vfswrap_lchown,
|
|
.chdir = vfswrap_chdir,
|
|
.getwd = vfswrap_getwd,
|
|
.ntimes = vfswrap_ntimes,
|
|
.ftruncate = vfswrap_ftruncate,
|
|
.lock = vfswrap_lock,
|
|
.kernel_flock = vfswrap_kernel_flock,
|
|
.linux_setlease = vfswrap_linux_setlease,
|
|
.getlock = vfswrap_getlock,
|
|
.symlink = vfswrap_symlink,
|
|
.vfs_readlink = vfswrap_readlink,
|
|
.link = vfswrap_link,
|
|
.mknod = vfswrap_mknod,
|
|
.realpath = vfswrap_realpath,
|
|
.notify_watch = vfswrap_notify_watch,
|
|
.chflags = vfswrap_chflags,
|
|
.file_id_create = vfswrap_file_id_create,
|
|
.streaminfo = vfswrap_streaminfo,
|
|
.get_real_filename = vfswrap_get_real_filename,
|
|
.connectpath = vfswrap_connectpath,
|
|
.brl_lock_windows = vfswrap_brl_lock_windows,
|
|
.brl_unlock_windows = vfswrap_brl_unlock_windows,
|
|
.brl_cancel_windows = vfswrap_brl_cancel_windows,
|
|
.strict_lock = vfswrap_strict_lock,
|
|
.strict_unlock = vfswrap_strict_unlock,
|
|
.translate_name = vfswrap_translate_name,
|
|
|
|
/* NT ACL operations. */
|
|
|
|
.fget_nt_acl = vfswrap_fget_nt_acl,
|
|
.get_nt_acl = vfswrap_get_nt_acl,
|
|
.fset_nt_acl = vfswrap_fset_nt_acl,
|
|
|
|
/* POSIX ACL operations. */
|
|
|
|
.chmod_acl = vfswrap_chmod_acl,
|
|
.fchmod_acl = vfswrap_fchmod_acl,
|
|
|
|
.sys_acl_get_entry = vfswrap_sys_acl_get_entry,
|
|
.sys_acl_get_tag_type = vfswrap_sys_acl_get_tag_type,
|
|
.sys_acl_get_permset = vfswrap_sys_acl_get_permset,
|
|
.sys_acl_get_qualifier = vfswrap_sys_acl_get_qualifier,
|
|
.sys_acl_get_file = vfswrap_sys_acl_get_file,
|
|
.sys_acl_get_fd = vfswrap_sys_acl_get_fd,
|
|
.sys_acl_clear_perms = vfswrap_sys_acl_clear_perms,
|
|
.sys_acl_add_perm = vfswrap_sys_acl_add_perm,
|
|
.sys_acl_to_text = vfswrap_sys_acl_to_text,
|
|
.sys_acl_init = vfswrap_sys_acl_init,
|
|
.sys_acl_create_entry = vfswrap_sys_acl_create_entry,
|
|
.sys_acl_set_tag_type = vfswrap_sys_acl_set_tag_type,
|
|
.sys_acl_set_qualifier = vfswrap_sys_acl_set_qualifier,
|
|
.sys_acl_set_permset = vfswrap_sys_acl_set_permset,
|
|
.sys_acl_valid = vfswrap_sys_acl_valid,
|
|
.sys_acl_set_file = vfswrap_sys_acl_set_file,
|
|
.sys_acl_set_fd = vfswrap_sys_acl_set_fd,
|
|
.sys_acl_delete_def_file = vfswrap_sys_acl_delete_def_file,
|
|
.sys_acl_get_perm = vfswrap_sys_acl_get_perm,
|
|
.sys_acl_free_text = vfswrap_sys_acl_free_text,
|
|
.sys_acl_free_acl = vfswrap_sys_acl_free_acl,
|
|
.sys_acl_free_qualifier = vfswrap_sys_acl_free_qualifier,
|
|
|
|
/* EA operations. */
|
|
.getxattr = vfswrap_getxattr,
|
|
.lgetxattr = vfswrap_lgetxattr,
|
|
.fgetxattr = vfswrap_fgetxattr,
|
|
.listxattr = vfswrap_listxattr,
|
|
.llistxattr = vfswrap_llistxattr,
|
|
.flistxattr = vfswrap_flistxattr,
|
|
.removexattr = vfswrap_removexattr,
|
|
.lremovexattr = vfswrap_lremovexattr,
|
|
.fremovexattr = vfswrap_fremovexattr,
|
|
.setxattr = vfswrap_setxattr,
|
|
.lsetxattr = vfswrap_lsetxattr,
|
|
.fsetxattr = vfswrap_fsetxattr,
|
|
|
|
/* aio operations */
|
|
.aio_read = vfswrap_aio_read,
|
|
.aio_write = vfswrap_aio_write,
|
|
.aio_return_fn = vfswrap_aio_return,
|
|
.aio_cancel = vfswrap_aio_cancel,
|
|
.aio_error_fn = vfswrap_aio_error,
|
|
.aio_fsync = vfswrap_aio_fsync,
|
|
.aio_suspend = vfswrap_aio_suspend,
|
|
.aio_force = vfswrap_aio_force,
|
|
|
|
/* offline operations */
|
|
.is_offline = vfswrap_is_offline,
|
|
.set_offline = vfswrap_set_offline
|
|
};
|
|
|
|
NTSTATUS vfs_default_init(void);
|
|
NTSTATUS vfs_default_init(void)
|
|
{
|
|
return smb_register_vfs(SMB_VFS_INTERFACE_VERSION,
|
|
DEFAULT_VFS_MODULE_NAME, &vfs_default_fns);
|
|
}
|
|
|
|
|