--- /dev/null
+/*
+ Unix SMB/CIFS implementation.
+
+ simple NTVFS filesystem backend
+
+ Copyright (C) Andrew Tridgell 2003
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+*/
+/*
+ this implements a very simple NTVFS filesystem backend.
+
+ this backend largely ignores the POSIX -> CIFS mappings, just doing absolutely
+ minimal work to give a working backend.
+*/
+
+#include "includes.h"
+#include "system/dir.h"
+#include "system/filesys.h"
+#include "cvfs.h"
+#include "system/time.h"
+#include "dlinklist.h"
+#include "ntvfs/ntvfs.h"
+#include "ntvfs/cifs_posix_cli/proto.h"
+
+#ifndef O_DIRECTORY
+#define O_DIRECTORY 0
+#endif
+
+#define CHECK_READ_ONLY(req) do { if (lp_readonly(ntvfs->ctx->config.snum)) return NT_STATUS_ACCESS_DENIED; } while (0)
+
+/*
+ connect to a share - used when a tree_connect operation comes
+ in. For a disk based backend we needs to ensure that the base
+ directory exists (tho it doesn't need to be accessible by the user,
+ that comes later)
+*/
+static NTSTATUS svfs_connect(struct ntvfs_module_context *ntvfs,
+ struct ntvfs_request *req, const char *sharename)
+{
+ struct stat st;
+ struct svfs_private *private;
+ int snum = ntvfs->ctx->config.snum;
+
+ private = talloc(ntvfs, struct svfs_private);
+
+ private->next_search_handle = 0;
+ private->connectpath = talloc_strdup(private, lp_pathname(snum));
+ private->open_files = NULL;
+ private->search = NULL;
+
+ /* the directory must exist */
+ if (stat(private->connectpath, &st) != 0 || !S_ISDIR(st.st_mode)) {
+ DEBUG(0,("'%s' is not a directory, when connecting to [%s]\n",
+ private->connectpath, sharename));
+ return NT_STATUS_BAD_NETWORK_NAME;
+ }
+
+ ntvfs->ctx->fs_type = talloc_strdup(ntvfs->ctx, "NTFS");
+ NT_STATUS_HAVE_NO_MEMORY(ntvfs->ctx->fs_type);
+ ntvfs->ctx->dev_type = talloc_strdup(ntvfs->ctx, "A:");
+ NT_STATUS_HAVE_NO_MEMORY(ntvfs->ctx->dev_type);
+
+ ntvfs->private_data = private;
+
+ DEBUG(0,("WARNING: ntvfs simple: connect to share [%s] with ROOT privileges!!!\n",sharename));
+
+ return NT_STATUS_OK;
+}
+
+/*
+ disconnect from a share
+*/
+static NTSTATUS svfs_disconnect(struct ntvfs_module_context *ntvfs)
+{
+ return NT_STATUS_OK;
+}
+
+/*
+ find open file handle given fd
+*/
+static struct svfs_file *find_fd(struct svfs_private *private, int fd)
+{
+ struct svfs_file *f;
+ for (f=private->open_files;f;f=f->next) {
+ if (f->fd == fd) {
+ return f;
+ }
+ }
+ return NULL;
+}
+
+/*
+ delete a file - the dirtype specifies the file types to include in the search.
+ The name can contain CIFS wildcards, but rarely does (except with OS/2 clients)
+*/
+static NTSTATUS svfs_unlink(struct ntvfs_module_context *ntvfs,
+ struct ntvfs_request *req,
+ union smb_unlink *unl)
+{
+ char *unix_path;
+
+ CHECK_READ_ONLY(req);
+
+ unix_path = cvfs_unix_path(ntvfs, req, unl->unlink.in.pattern);
+
+ /* ignoring wildcards ... */
+ if (unlink(unix_path) == -1) {
+ return map_nt_error_from_unix(errno);
+ }
+
+ return NT_STATUS_OK;
+}
+
+
+/*
+ ioctl interface - we don't do any
+*/
+static NTSTATUS svfs_ioctl(struct ntvfs_module_context *ntvfs,
+ struct ntvfs_request *req, union smb_ioctl *io)
+{
+ return NT_STATUS_INVALID_PARAMETER;
+}
+
+/*
+ check if a directory exists
+*/
+static NTSTATUS svfs_chkpath(struct ntvfs_module_context *ntvfs,
+ struct ntvfs_request *req,
+ union smb_chkpath *cp)
+{
+ char *unix_path;
+ struct stat st;
+
+ unix_path = cvfs_unix_path(ntvfs, req, cp->chkpath.in.path);
+
+ if (stat(unix_path, &st) == -1) {
+ return map_nt_error_from_unix(errno);
+ }
+
+ if (!S_ISDIR(st.st_mode)) {
+ return NT_STATUS_NOT_A_DIRECTORY;
+ }
+
+ return NT_STATUS_OK;
+}
+
+/*
+ build a file_id from a stat struct
+*/
+static uint64_t svfs_file_id(struct stat *st)
+{
+ uint64_t ret = st->st_ino;
+ ret <<= 32;
+ ret |= st->st_dev;
+ return ret;
+}
+
+/*
+ approximately map a struct stat to a generic fileinfo struct
+*/
+static NTSTATUS svfs_map_fileinfo(struct ntvfs_module_context *ntvfs,
+ struct ntvfs_request *req, union smb_fileinfo *info,
+ struct stat *st, const char *unix_path)
+{
+ struct svfs_dir *dir = NULL;
+ char *pattern = NULL;
+ int i;
+ const char *s, *short_name;
+
+ s = strrchr(unix_path, '/');
+ if (s) {
+ short_name = s+1;
+ } else {
+ short_name = "";
+ }
+
+ asprintf(&pattern, "%s:*", unix_path);
+
+ if (pattern) {
+ dir = cvfs_list_unix(req, req, pattern);
+ }
+
+ unix_to_nt_time(&info->generic.out.create_time, st->st_ctime);
+ unix_to_nt_time(&info->generic.out.access_time, st->st_atime);
+ unix_to_nt_time(&info->generic.out.write_time, st->st_mtime);
+ unix_to_nt_time(&info->generic.out.change_time, st->st_mtime);
+ info->generic.out.alloc_size = st->st_size;
+ info->generic.out.size = st->st_size;
+ info->generic.out.attrib = cvfs_unix_to_dos_attrib(st->st_mode);
+ info->generic.out.alloc_size = st->st_blksize * st->st_blocks;
+ info->generic.out.nlink = st->st_nlink;
+ info->generic.out.directory = S_ISDIR(st->st_mode) ? 1 : 0;
+ info->generic.out.file_id = svfs_file_id(st);
+ /* REWRITE: TODO stuff in here */
+ info->generic.out.delete_pending = 0;
+ info->generic.out.ea_size = 0;
+ info->generic.out.num_eas = 0;
+ info->generic.out.fname.s = talloc_strdup(req, short_name);
+ info->generic.out.alt_fname.s = talloc_strdup(req, short_name);
+ info->generic.out.compressed_size = 0;
+ info->generic.out.format = 0;
+ info->generic.out.unit_shift = 0;
+ info->generic.out.chunk_shift = 0;
+ info->generic.out.cluster_shift = 0;
+
+ info->generic.out.access_flags = 0;
+ info->generic.out.position = 0;
+ info->generic.out.mode = 0;
+ info->generic.out.alignment_requirement = 0;
+ info->generic.out.reparse_tag = 0;
+ info->generic.out.num_streams = 0;
+ /* setup a single data stream */
+ info->generic.out.num_streams = 1 + (dir?dir->count:0);
+ info->generic.out.streams = talloc_array(req,
+ struct stream_struct,
+ info->generic.out.num_streams);
+ if (!info->generic.out.streams) {
+ return NT_STATUS_NO_MEMORY;
+ }
+ info->generic.out.streams[0].size = st->st_size;
+ info->generic.out.streams[0].alloc_size = st->st_size;
+ info->generic.out.streams[0].stream_name.s = talloc_strdup(req,"::$DATA");
+
+ for (i=0;dir && i<dir->count;i++) {
+ s = strchr(dir->files[i].name, ':');
+ info->generic.out.streams[1+i].size = dir->files[i].st.st_size;
+ info->generic.out.streams[1+i].alloc_size = dir->files[i].st.st_size;
+ info->generic.out.streams[1+i].stream_name.s = s?s:dir->files[i].name;
+ }
+
+ return NT_STATUS_OK;
+}
+
+/*
+ return info on a pathname
+*/
+static NTSTATUS svfs_qpathinfo(struct ntvfs_module_context *ntvfs,
+ struct ntvfs_request *req, union smb_fileinfo *info)
+{
+ char *unix_path;
+ struct stat st;
+
+ DEBUG(19,("svfs_qpathinfo: file %s level 0x%x\n", info->generic.in.file.path, info->generic.level));
+ if (info->generic.level != RAW_FILEINFO_GENERIC) {
+ return ntvfs_map_qpathinfo(ntvfs, req, info);
+ }
+
+ unix_path = cvfs_unix_path(ntvfs, req, info->generic.in.file.path);
+ DEBUG(19,("svfs_qpathinfo: file %s\n", unix_path));
+ if (stat(unix_path, &st) == -1) {
+ DEBUG(19,("svfs_qpathinfo: file %s errno=%d\n", unix_path, errno));
+ return map_nt_error_from_unix(errno);
+ }
+ DEBUG(19,("svfs_qpathinfo: file %s, stat done\n", unix_path));
+ return svfs_map_fileinfo(ntvfs, req, info, &st, unix_path);
+}
+
+/*
+ query info on a open file
+*/
+static NTSTATUS svfs_qfileinfo(struct ntvfs_module_context *ntvfs,
+ struct ntvfs_request *req, union smb_fileinfo *info)
+{
+ struct svfs_private *private = ntvfs->private_data;
+ struct svfs_file *f;
+ struct stat st;
+
+ if (info->generic.level != RAW_FILEINFO_GENERIC) {
+ return ntvfs_map_qfileinfo(ntvfs, req, info);
+ }
+
+ f = find_fd(private, info->generic.in.file.fnum);
+ if (!f) {
+ return NT_STATUS_INVALID_HANDLE;
+ }
+
+ if (fstat(info->generic.in.file.fnum, &st) == -1) {
+ return map_nt_error_from_unix(errno);
+ }
+
+ return svfs_map_fileinfo(ntvfs, req,info, &st, f->name);
+}
+
+
+/*
+ open a file
+*/
+static NTSTATUS svfs_open(struct ntvfs_module_context *ntvfs,
+ struct ntvfs_request *req, union smb_open *io)
+{
+ struct svfs_private *private = ntvfs->private_data;
+ char *unix_path;
+ struct stat st;
+ int fd, flags;
+ struct svfs_file *f;
+ int create_flags, rdwr_flags;
+ BOOL readonly;
+
+ if (io->generic.level != RAW_OPEN_GENERIC) {
+ return ntvfs_map_open(ntvfs, req, io);
+ }
+
+ readonly = lp_readonly(ntvfs->ctx->config.snum);
+ if (readonly) {
+ create_flags = 0;
+ rdwr_flags = O_RDONLY;
+ } else {
+ create_flags = O_CREAT;
+ rdwr_flags = O_RDWR;
+ }
+
+ unix_path = cvfs_unix_path(ntvfs, req, io->ntcreatex.in.fname);
+
+ switch (io->generic.in.open_disposition) {
+ case NTCREATEX_DISP_SUPERSEDE:
+ case NTCREATEX_DISP_OVERWRITE_IF:
+ flags = create_flags | O_TRUNC;
+ break;
+ case NTCREATEX_DISP_OPEN:
+ case NTCREATEX_DISP_OVERWRITE:
+ flags = 0;
+ break;
+ case NTCREATEX_DISP_CREATE:
+ flags = create_flags | O_EXCL;
+ break;
+ case NTCREATEX_DISP_OPEN_IF:
+ flags = create_flags;
+ break;
+ default:
+ flags = 0;
+ break;
+ }
+
+ flags |= rdwr_flags;
+
+ if (io->generic.in.create_options & NTCREATEX_OPTIONS_DIRECTORY) {
+ flags = O_RDONLY | O_DIRECTORY;
+ if (readonly) {
+ goto do_open;
+ }
+ switch (io->generic.in.open_disposition) {
+ case NTCREATEX_DISP_CREATE:
+ if (mkdir(unix_path, 0755) == -1) {
+ DEBUG(9,("svfs_open: mkdir %s errno=%d\n", unix_path, errno));
+ return map_nt_error_from_unix(errno);
+ }
+ break;
+ case NTCREATEX_DISP_OPEN_IF:
+ if (mkdir(unix_path, 0755) == -1 && errno != EEXIST) {
+ DEBUG(9,("svfs_open: mkdir %s errno=%d\n", unix_path, errno));
+ return map_nt_error_from_unix(errno);
+ }
+ break;
+ }
+ }
+
+do_open:
+ fd = open(unix_path, flags, 0644);
+ if (fd == -1) {
+ return map_nt_error_from_unix(errno);
+ }
+
+ if (fstat(fd, &st) == -1) {
+ DEBUG(9,("svfs_open: fstat errno=%d\n", errno));
+ close(fd);
+ return map_nt_error_from_unix(errno);
+ }
+
+ f = talloc(ntvfs, struct svfs_file);
+ NT_STATUS_HAVE_NO_MEMORY(f);
+ f->fd = fd;
+ f->name = talloc_strdup(f, unix_path);
+ NT_STATUS_HAVE_NO_MEMORY(f->name);
+
+ DLIST_ADD(private->open_files, f);
+
+ ZERO_STRUCT(io->generic.out);
+
+ unix_to_nt_time(&io->generic.out.create_time, st.st_ctime);
+ unix_to_nt_time(&io->generic.out.access_time, st.st_atime);
+ unix_to_nt_time(&io->generic.out.write_time, st.st_mtime);
+ unix_to_nt_time(&io->generic.out.change_time, st.st_mtime);
+ io->generic.out.file.fnum = fd;
+ io->generic.out.alloc_size = st.st_size;
+ io->generic.out.size = st.st_size;
+ io->generic.out.attrib = cvfs_unix_to_dos_attrib(st.st_mode);
+ io->generic.out.is_directory = S_ISDIR(st.st_mode) ? 1 : 0;
+
+ return NT_STATUS_OK;
+}
+
+/*
+ create a directory
+*/
+static NTSTATUS svfs_mkdir(struct ntvfs_module_context *ntvfs,
+ struct ntvfs_request *req, union smb_mkdir *md)
+{
+ char *unix_path;
+
+ CHECK_READ_ONLY(req);
+
+ if (md->generic.level != RAW_MKDIR_MKDIR) {
+ return NT_STATUS_INVALID_LEVEL;
+ }
+
+ unix_path = cvfs_unix_path(ntvfs, req, md->mkdir.in.path);
+
+ if (mkdir(unix_path, 0777) == -1) {
+ return map_nt_error_from_unix(errno);
+ }
+
+ return NT_STATUS_OK;
+}
+
+/*
+ remove a directory
+*/
+static NTSTATUS svfs_rmdir(struct ntvfs_module_context *ntvfs,
+ struct ntvfs_request *req, struct smb_rmdir *rd)
+{
+ char *unix_path;
+
+ CHECK_READ_ONLY(req);
+
+ unix_path = cvfs_unix_path(ntvfs, req, rd->in.path);
+
+ if (rmdir(unix_path) == -1) {
+ return map_nt_error_from_unix(errno);
+ }
+
+ return NT_STATUS_OK;
+}
+
+/*
+ rename a set of files
+*/
+static NTSTATUS svfs_rename(struct ntvfs_module_context *ntvfs,
+ struct ntvfs_request *req, union smb_rename *ren)
+{
+ char *unix_path1, *unix_path2;
+
+ CHECK_READ_ONLY(req);
+
+ if (ren->generic.level != RAW_RENAME_RENAME) {
+ return NT_STATUS_INVALID_LEVEL;
+ }
+
+ unix_path1 = cvfs_unix_path(ntvfs, req, ren->rename.in.pattern1);
+ unix_path2 = cvfs_unix_path(ntvfs, req, ren->rename.in.pattern2);
+
+ if (rename(unix_path1, unix_path2) == -1) {
+ return map_nt_error_from_unix(errno);
+ }
+
+ return NT_STATUS_OK;
+}
+
+/*
+ copy a set of files
+*/
+static NTSTATUS svfs_copy(struct ntvfs_module_context *ntvfs,
+ struct ntvfs_request *req, struct smb_copy *cp)
+{
+ return NT_STATUS_NOT_SUPPORTED;
+}
+
+/*
+ read from a file
+*/
+static NTSTATUS svfs_read(struct ntvfs_module_context *ntvfs,
+ struct ntvfs_request *req, union smb_read *rd)
+{
+ ssize_t ret;
+
+ if (rd->generic.level != RAW_READ_READX) {
+ return NT_STATUS_NOT_SUPPORTED;
+ }
+
+ ret = pread(rd->readx.in.file.fnum,
+ rd->readx.out.data,
+ rd->readx.in.maxcnt,
+ rd->readx.in.offset);
+ if (ret == -1) {
+ return map_nt_error_from_unix(errno);
+ }
+
+ rd->readx.out.nread = ret;
+ rd->readx.out.remaining = 0; /* should fill this in? */
+ rd->readx.out.compaction_mode = 0;
+
+ return NT_STATUS_OK;
+}
+
+/*
+ write to a file
+*/
+static NTSTATUS svfs_write(struct ntvfs_module_context *ntvfs,
+ struct ntvfs_request *req, union smb_write *wr)
+{
+ ssize_t ret;
+
+ if (wr->generic.level != RAW_WRITE_WRITEX) {
+ return ntvfs_map_write(ntvfs, req, wr);
+ }
+
+ CHECK_READ_ONLY(req);
+
+ ret = pwrite(wr->writex.in.file.fnum,
+ wr->writex.in.data,
+ wr->writex.in.count,
+ wr->writex.in.offset);
+ if (ret == -1) {
+ return map_nt_error_from_unix(errno);
+ }
+
+ wr->writex.out.nwritten = ret;
+ wr->writex.out.remaining = 0; /* should fill this in? */
+
+ return NT_STATUS_OK;
+}
+
+/*
+ seek in a file
+*/
+static NTSTATUS svfs_seek(struct ntvfs_module_context *ntvfs,
+ struct ntvfs_request *req,
+ union smb_seek *io)
+{
+ return NT_STATUS_NOT_SUPPORTED;
+}
+
+/*
+ flush a file
+*/
+static NTSTATUS svfs_flush(struct ntvfs_module_context *ntvfs,
+ struct ntvfs_request *req,
+ union smb_flush *io)
+{
+ fsync(io->flush.in.file.fnum);
+ return NT_STATUS_OK;
+}
+
+/*
+ close a file
+*/
+static NTSTATUS svfs_close(struct ntvfs_module_context *ntvfs,
+ struct ntvfs_request *req,
+ union smb_close *io)
+{
+ struct svfs_private *private = ntvfs->private_data;
+ struct svfs_file *f;
+
+ if (io->generic.level != RAW_CLOSE_CLOSE) {
+ /* we need a mapping function */
+ return NT_STATUS_INVALID_LEVEL;
+ }
+
+ f = find_fd(private, io->close.in.file.fnum);
+ if (!f) {
+ return NT_STATUS_INVALID_HANDLE;
+ }
+
+ if (close(io->close.in.file.fnum) == -1) {
+ return map_nt_error_from_unix(errno);
+ }
+
+ DLIST_REMOVE(private->open_files, f);
+ talloc_free(f->name);
+ talloc_free(f);
+
+ return NT_STATUS_OK;
+}
+
+/*
+ exit - closing files
+*/
+static NTSTATUS svfs_exit(struct ntvfs_module_context *ntvfs,
+ struct ntvfs_request *req)
+{
+ return NT_STATUS_NOT_SUPPORTED;
+}
+
+/*
+ logoff - closing files
+*/
+static NTSTATUS svfs_logoff(struct ntvfs_module_context *ntvfs,
+ struct ntvfs_request *req)
+{
+ return NT_STATUS_NOT_SUPPORTED;
+}
+
+/*
+ setup for an async call
+*/
+static NTSTATUS svfs_async_setup(struct ntvfs_module_context *ntvfs,
+ struct ntvfs_request *req,
+ void *private)
+{
+ return NT_STATUS_OK;
+}
+
+/*
+ cancel an async call
+*/
+static NTSTATUS svfs_cancel(struct ntvfs_module_context *ntvfs, struct ntvfs_request *req)
+{
+ return NT_STATUS_UNSUCCESSFUL;
+}
+
+/*
+ lock a byte range
+*/
+static NTSTATUS svfs_lock(struct ntvfs_module_context *ntvfs,
+ struct ntvfs_request *req, union smb_lock *lck)
+{
+ DEBUG(0,("REWRITE: not doing byte range locking!\n"));
+ return NT_STATUS_OK;
+}
+
+/*
+ set info on a pathname
+*/
+static NTSTATUS svfs_setpathinfo(struct ntvfs_module_context *ntvfs,
+ struct ntvfs_request *req, union smb_setfileinfo *st)
+{
+ CHECK_READ_ONLY(req);
+
+ return NT_STATUS_NOT_SUPPORTED;
+}
+
+/*
+ set info on a open file
+*/
+static NTSTATUS svfs_setfileinfo(struct ntvfs_module_context *ntvfs,
+ struct ntvfs_request *req,
+ union smb_setfileinfo *info)
+{
+ struct utimbuf unix_times;
+ int fd;
+
+ CHECK_READ_ONLY(req);
+
+ switch (info->generic.level) {
+ case RAW_SFILEINFO_END_OF_FILE_INFO:
+ case RAW_SFILEINFO_END_OF_FILE_INFORMATION:
+ if (ftruncate(info->end_of_file_info.in.file.fnum,
+ info->end_of_file_info.in.size) == -1) {
+ return map_nt_error_from_unix(errno);
+ }
+ break;
+ case RAW_SFILEINFO_SETATTRE:
+ unix_times.actime = info->setattre.in.access_time;
+ unix_times.modtime = info->setattre.in.write_time;
+ fd = info->setattre.in.file.fnum;
+
+ if (unix_times.actime == 0 && unix_times.modtime == 0) {
+ break;
+ }
+
+ /* set modify time = to access time if modify time was 0 */
+ if (unix_times.actime != 0 && unix_times.modtime == 0) {
+ unix_times.modtime = unix_times.actime;
+ }
+
+ /* Set the date on this file */
+ if (cvfs_file_utime(fd, &unix_times) != 0) {
+ return NT_STATUS_ACCESS_DENIED;
+ }
+ break;
+ default:
+ DEBUG(2,("svfs_setfileinfo: level %d not implemented\n",
+ info->generic.level));
+ return NT_STATUS_NOT_IMPLEMENTED;
+ }
+ return NT_STATUS_OK;
+}
+
+
+/*
+ return filesystem space info
+*/
+static NTSTATUS svfs_fsinfo(struct ntvfs_module_context *ntvfs,
+ struct ntvfs_request *req, union smb_fsinfo *fs)
+{
+ struct svfs_private *private = ntvfs->private_data;
+ struct stat st;
+
+ if (fs->generic.level != RAW_QFS_GENERIC) {
+ return ntvfs_map_fsinfo(ntvfs, req, fs);
+ }
+
+ if (sys_fsusage(private->connectpath,
+ &fs->generic.out.blocks_free,
+ &fs->generic.out.blocks_total) == -1) {
+ return map_nt_error_from_unix(errno);
+ }
+
+ fs->generic.out.block_size = 512;
+
+ if (stat(private->connectpath, &st) != 0) {
+ return NT_STATUS_DISK_CORRUPT_ERROR;
+ }
+
+ fs->generic.out.fs_id = st.st_ino;
+ unix_to_nt_time(&fs->generic.out.create_time, st.st_ctime);
+ fs->generic.out.serial_number = st.st_ino;
+ fs->generic.out.fs_attr = 0;
+ fs->generic.out.max_file_component_length = 255;
+ fs->generic.out.device_type = 0;
+ fs->generic.out.device_characteristics = 0;
+ fs->generic.out.quota_soft = 0;
+ fs->generic.out.quota_hard = 0;
+ fs->generic.out.quota_flags = 0;
+ fs->generic.out.volume_name = talloc_strdup(req, lp_servicename(ntvfs->ctx->config.snum));
+ fs->generic.out.fs_type = ntvfs->ctx->fs_type;
+
+ return NT_STATUS_OK;
+}
+
+#if 0
+/*
+ return filesystem attribute info
+*/
+static NTSTATUS svfs_fsattr(struct ntvfs_module_context *ntvfs,
+ struct ntvfs_request *req, union smb_fsattr *fs)
+{
+ struct stat st;
+ struct svfs_private *private = ntvfs->private_data;
+
+ if (fs->generic.level != RAW_FSATTR_GENERIC) {
+ return ntvfs_map_fsattr(ntvfs, req, fs);
+ }
+
+ if (stat(private->connectpath, &st) == -1) {
+ return map_nt_error_from_unix(errno);
+ }
+
+ unix_to_nt_time(&fs->generic.out.create_time, st.st_ctime);
+ fs->generic.out.fs_attr =
+ FILE_CASE_PRESERVED_NAMES |
+ FILE_CASE_SENSITIVE_SEARCH |
+ FILE_PERSISTENT_ACLS;
+ fs->generic.out.max_file_component_length = 255;
+ fs->generic.out.serial_number = 1;
+ fs->generic.out.fs_type = talloc_strdup(req, "NTFS");
+ fs->generic.out.volume_name = talloc_strdup(req,
+ lp_servicename(req->tcon->service));
+
+ return NT_STATUS_OK;
+}
+#endif
+
+/*
+ return print queue info
+*/
+static NTSTATUS svfs_lpq(struct ntvfs_module_context *ntvfs,
+ struct ntvfs_request *req, union smb_lpq *lpq)
+{
+ return NT_STATUS_NOT_SUPPORTED;
+}
+
+/*
+ list files in a directory matching a wildcard pattern
+*/
+static NTSTATUS svfs_search_first(struct ntvfs_module_context *ntvfs,
+ struct ntvfs_request *req, union smb_search_first *io,
+ void *search_private,
+ BOOL (*callback)(void *, union smb_search_data *))
+{
+ struct svfs_dir *dir;
+ int i;
+ struct svfs_private *private = ntvfs->private_data;
+ struct search_state *search;
+ union smb_search_data file;
+ uint_t max_count;
+
+ if (io->generic.level != RAW_SEARCH_BOTH_DIRECTORY_INFO) {
+ return NT_STATUS_NOT_SUPPORTED;
+ }
+
+ search = talloc_zero(private, struct search_state);
+ if (!search) {
+ return NT_STATUS_NO_MEMORY;
+ }
+
+ max_count = io->t2ffirst.in.max_count;
+
+ dir = cvfs_list(ntvfs, req, io->t2ffirst.in.pattern);
+ if (!dir) {
+ return NT_STATUS_FOOBAR;
+ }
+
+ search->handle = private->next_search_handle;
+ search->dir = dir;
+
+ if (dir->count < max_count) {
+ max_count = dir->count;
+ }
+
+ for (i=0; i < max_count;i++) {
+ ZERO_STRUCT(file);
+ unix_to_nt_time(&file.both_directory_info.create_time, dir->files[i].st.st_ctime);
+ unix_to_nt_time(&file.both_directory_info.access_time, dir->files[i].st.st_atime);
+ unix_to_nt_time(&file.both_directory_info.write_time, dir->files[i].st.st_mtime);
+ unix_to_nt_time(&file.both_directory_info.change_time, dir->files[i].st.st_mtime);
+ file.both_directory_info.name.s = dir->files[i].name;
+ file.both_directory_info.short_name.s = dir->files[i].name;
+ file.both_directory_info.size = dir->files[i].st.st_size;
+ file.both_directory_info.attrib = svfs_unix_to_dos_attrib(dir->files[i].st.st_mode);
+
+ if (!callback(search_private, &file)) {
+ break;
+ }
+ }
+
+ search->current_index = i;
+
+ io->t2ffirst.out.count = i;
+ io->t2ffirst.out.handle = search->handle;
+ io->t2ffirst.out.end_of_search = (i == dir->count) ? 1 : 0;
+
+ /* work out if we are going to keep the search state */
+ if ((io->t2ffirst.in.flags & FLAG_TRANS2_FIND_CLOSE) ||
+ ((io->t2ffirst.in.flags & FLAG_TRANS2_FIND_CLOSE_IF_END) && (i == dir->count))) {
+ talloc_free(search);
+ } else {
+ private->next_search_handle++;
+ DLIST_ADD(private->search, search);
+ }
+
+ return NT_STATUS_OK;
+}
+
+/* continue a search */
+static NTSTATUS svfs_search_next(struct ntvfs_module_context *ntvfs,
+ struct ntvfs_request *req, union smb_search_next *io,
+ void *search_private,
+ BOOL (*callback)(void *, union smb_search_data *))
+{
+ struct svfs_dir *dir;
+ int i;
+ struct svfs_private *private = ntvfs->private_data;
+ struct search_state *search;
+ union smb_search_data file;
+ uint_t max_count;
+
+ if (io->generic.level != RAW_SEARCH_BOTH_DIRECTORY_INFO) {
+ return NT_STATUS_NOT_SUPPORTED;
+ }
+
+ for (search=private->search; search; search = search->next) {
+ if (search->handle == io->t2fnext.in.handle) break;
+ }
+
+ if (!search) {
+ /* we didn't find the search handle */
+ return NT_STATUS_FOOBAR;
+ }
+
+ dir = search->dir;
+
+ /* the client might be asking for something other than just continuing
+ with the search */
+ if (!(io->t2fnext.in.flags & FLAG_TRANS2_FIND_CONTINUE) &&
+ (io->t2fnext.in.flags & FLAG_TRANS2_FIND_REQUIRE_RESUME) &&
+ io->t2fnext.in.last_name && *io->t2fnext.in.last_name) {
+ /* look backwards first */
+ for (i=search->current_index; i > 0; i--) {
+ if (strcmp(io->t2fnext.in.last_name, dir->files[i-1].name) == 0) {
+ search->current_index = i;
+ goto found;
+ }
+ }
+
+ /* then look forwards */
+ for (i=search->current_index+1; i <= dir->count; i++) {
+ if (strcmp(io->t2fnext.in.last_name, dir->files[i-1].name) == 0) {
+ search->current_index = i;
+ goto found;
+ }
+ }
+ }
+
+found:
+ max_count = search->current_index + io->t2fnext.in.max_count;
+
+ if (max_count > dir->count) {
+ max_count = dir->count;
+ }
+
+ for (i = search->current_index; i < max_count;i++) {
+ ZERO_STRUCT(file);
+ unix_to_nt_time(&file.both_directory_info.create_time, dir->files[i].st.st_ctime);
+ unix_to_nt_time(&file.both_directory_info.access_time, dir->files[i].st.st_atime);
+ unix_to_nt_time(&file.both_directory_info.write_time, dir->files[i].st.st_mtime);
+ unix_to_nt_time(&file.both_directory_info.change_time, dir->files[i].st.st_mtime);
+ file.both_directory_info.name.s = dir->files[i].name;
+ file.both_directory_info.short_name.s = dir->files[i].name;
+ file.both_directory_info.size = dir->files[i].st.st_size;
+ file.both_directory_info.attrib = svfs_unix_to_dos_attrib(dir->files[i].st.st_mode);
+
+ if (!callback(search_private, &file)) {
+ break;
+ }
+ }
+
+ io->t2fnext.out.count = i - search->current_index;
+ io->t2fnext.out.end_of_search = (i == dir->count) ? 1 : 0;
+
+ search->current_index = i;
+
+ /* work out if we are going to keep the search state */
+ if ((io->t2fnext.in.flags & FLAG_TRANS2_FIND_CLOSE) ||
+ ((io->t2fnext.in.flags & FLAG_TRANS2_FIND_CLOSE_IF_END) && (i == dir->count))) {
+ DLIST_REMOVE(private->search, search);
+ talloc_free(search);
+ }
+
+ return NT_STATUS_OK;
+}
+
+/* close a search */
+static NTSTATUS svfs_search_close(struct ntvfs_module_context *ntvfs,
+ struct ntvfs_request *req, union smb_search_close *io)
+{
+ struct svfs_private *private = ntvfs->private_data;
+ struct search_state *search;
+
+ for (search=private->search; search; search = search->next) {
+ if (search->handle == io->findclose.in.handle) break;
+ }
+
+ if (!search) {
+ /* we didn't find the search handle */
+ return NT_STATUS_FOOBAR;
+ }
+
+ DLIST_REMOVE(private->search, search);
+ talloc_free(search);
+
+ return NT_STATUS_OK;
+}
+
+/* SMBtrans - not used on file shares */
+static NTSTATUS svfs_trans(struct ntvfs_module_context *ntvfs,
+ struct ntvfs_request *req, struct smb_trans2 *trans2)
+{
+ return NT_STATUS_ACCESS_DENIED;
+}
+
+
+/*
+ initialialise the POSIX disk backend, registering ourselves with the ntvfs subsystem
+ */
+NTSTATUS ntvfs_cifs_posix_init(void)
+{
+ NTSTATUS ret;
+ struct ntvfs_ops ops;
+ NTVFS_CURRENT_CRITICAL_SIZES(vers);
+
+ ZERO_STRUCT(ops);
+
+ /* fill in all the operations */
+ ops.connect = svfs_connect;
+ ops.disconnect = svfs_disconnect;
+ ops.unlink = svfs_unlink;
+ ops.chkpath = svfs_chkpath;
+ ops.qpathinfo = svfs_qpathinfo;
+ ops.setpathinfo = svfs_setpathinfo;
+ ops.open = svfs_open;
+ ops.mkdir = svfs_mkdir;
+ ops.rmdir = svfs_rmdir;
+ ops.rename = svfs_rename;
+ ops.copy = svfs_copy;
+ ops.ioctl = svfs_ioctl;
+ ops.read = svfs_read;
+ ops.write = svfs_write;
+ ops.seek = svfs_seek;
+ ops.flush = svfs_flush;
+ ops.close = svfs_close;
+ ops.exit = svfs_exit;
+ ops.lock = svfs_lock;
+ ops.setfileinfo = svfs_setfileinfo;
+ ops.qfileinfo = svfs_qfileinfo;
+ ops.fsinfo = svfs_fsinfo;
+ ops.lpq = svfs_lpq;
+ ops.search_first = svfs_search_first;
+ ops.search_next = svfs_search_next;
+ ops.search_close = svfs_search_close;
+ ops.trans = svfs_trans;
+ ops.logoff = svfs_logoff;
+ ops.async_setup = svfs_async_setup;
+ ops.cancel = svfs_cancel;
+
+ /* register ourselves with the NTVFS subsystem. We register
+ under names 'simple'
+ */
+
+ ops.type = NTVFS_DISK;
+ ops.name = "cifs-posix-cli";
+ ret = ntvfs_register(&ops, &vers);
+
+ if (!NT_STATUS_IS_OK(ret)) {
+ DEBUG(0,("Failed to register simple backend with name: %s!\n",
+ ops.name));
+ }
+
+ return ret;
+}
git.samba.org / metze / samba / wip.git / commitdiff