diff options
Diffstat (limited to 'source4/ntvfs/simple/vfs_simple.c')
| -rw-r--r-- | source4/ntvfs/simple/vfs_simple.c | 848 |
1 files changed, 848 insertions, 0 deletions
diff --git a/source4/ntvfs/simple/vfs_simple.c b/source4/ntvfs/simple/vfs_simple.c new file mode 100644 index 0000000000..caf7732ac7 --- /dev/null +++ b/source4/ntvfs/simple/vfs_simple.c @@ -0,0 +1,848 @@ +/* + 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 "svfs.h" + +/* + 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 request_context *req, const char *sharename) +{ + struct stat st; + struct tcon_context *conn = req->conn; + struct svfs_private *private; + + conn->ntvfs_private = talloc(conn->mem_ctx, sizeof(struct svfs_private)); + + private = conn->ntvfs_private; + + private->next_search_handle = 0; + private->connectpath = talloc_strdup(conn->mem_ctx, lp_pathname(conn->service)); + + /* 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; + } + + conn->fs_type = talloc_strdup(conn->mem_ctx, "NTFS"); + conn->dev_type = talloc_strdup(conn->mem_ctx, "A:"); + + return NT_STATUS_OK; +} + +/* + disconnect from a share +*/ +static NTSTATUS svfs_disconnect(struct tcon_context *req) +{ + return NT_STATUS_OK; +} + +/* + 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 request_context *req, struct smb_unlink *unl) +{ + char *unix_path; + + unix_path = svfs_unix_path(req, unl->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 request_context *req, struct smb_ioctl *io) +{ + return NT_STATUS_INVALID_PARAMETER; +} + +/* + check if a directory exists +*/ +static NTSTATUS svfs_chkpath(struct request_context *req, struct smb_chkpath *cp) +{ + char *unix_path; + struct stat st; + + unix_path = svfs_unix_path(req, cp->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; +} + +/* + approximately map a struct stat to a generic fileinfo struct +*/ +static NTSTATUS svfs_map_fileinfo(struct request_context *req, union smb_fileinfo *info, struct stat *st) +{ + 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 = svfs_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.device = st->st_dev; + info->generic.out.inode = st->st_ino; + /* 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->mem_ctx, "TODO - STORE FILENAME"); + info->generic.out.alt_fname.s = talloc_strdup(req->mem_ctx, "TODO - STORE ALT_FN"); + info->generic.out.ex_attrib = 0; + 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; + info->generic.out.streams = talloc(req->mem_ctx, sizeof(info->stream_info.out.streams[0])); + 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->mem_ctx,"::$DATA"); + /* REWRITE: end */ + + return NT_STATUS_OK; +} + +/* + return info on a pathname +*/ +static NTSTATUS svfs_qpathinfo(struct request_context *req, union smb_fileinfo *info) +{ + char *unix_path; + struct stat st; + + DEBUG(19,("svfs_qpathinfo: file %s level 0x%x\n", info->generic.in.fname, info->generic.level)); + if (info->generic.level != RAW_FILEINFO_GENERIC) { + return ntvfs_map_qpathinfo(req, info); + } + + unix_path = svfs_unix_path(req, info->generic.in.fname); + 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)); + if (errno == 0) + errno = ENOENT; + return map_nt_error_from_unix(errno); + } + DEBUG(19,("svfs_qpathinfo: file %s, stat done\n", unix_path)); + return svfs_map_fileinfo(req, info, &st); +} + +/* + query info on a open file +*/ +static NTSTATUS svfs_qfileinfo(struct request_context *req, union smb_fileinfo *info) +{ + struct stat st; + + if (info->generic.level != RAW_FILEINFO_GENERIC) { + return ntvfs_map_qfileinfo(req, info); + } + + if (fstat(info->generic.in.fnum, &st) == -1) { + if (errno == 0) + errno = ENOENT; + return map_nt_error_from_unix(errno); + } + + return svfs_map_fileinfo(req, info, &st); +} + + +/* + open a file +*/ +static NTSTATUS svfs_open(struct request_context *req, union smb_open *io) +{ + char *unix_path; + struct stat st; + int fd, flags; + + if (io->generic.level != RAW_OPEN_GENERIC) { + return ntvfs_map_open(req, io); + } + + unix_path = svfs_unix_path(req, io->ntcreatex.in.fname); + + switch (io->generic.in.open_disposition) { + case NTCREATEX_DISP_SUPERSEDE: + flags = O_RDWR | O_CREAT | O_TRUNC; + break; + case NTCREATEX_DISP_OPEN: + flags = O_RDWR; + break; + case NTCREATEX_DISP_CREATE: + flags = O_RDWR | O_CREAT | O_EXCL; + break; + case NTCREATEX_DISP_OPEN_IF: + flags = O_RDWR | O_CREAT; + break; + case NTCREATEX_DISP_OVERWRITE: + flags = O_RDWR; + break; + case NTCREATEX_DISP_OVERWRITE_IF: + flags = O_RDWR | O_CREAT | O_TRUNC; + break; + default: + flags = O_RDWR; + break; + } + + if (io->generic.in.create_options & NTCREATEX_OPTIONS_DIRECTORY) { + flags = O_RDONLY | O_DIRECTORY; + 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; + } + } + DEBUG(9,("svfs_open: file %s flags=0x%x\n", unix_path, flags)); + fd = open(unix_path, flags, 0644); + DEBUG(9,("svfs_open: fd=%d errno=%d\n", fd, errno)); + if (fd == -1) { + if (errno == 0) + errno = ENOENT; + return map_nt_error_from_unix(errno); + } + + if (fstat(fd, &st) == -1) { + DEBUG(9,("svfs_open: fstat errno=%d\n", errno)); + if (errno == 0) + errno = ENOENT; + close(fd); + return map_nt_error_from_unix(errno); + } + + 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.fnum = fd; + io->generic.out.alloc_size = st.st_size; + io->generic.out.size = st.st_size; + io->generic.out.attrib = svfs_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 request_context *req, union smb_mkdir *md) +{ + char *unix_path; + + if (md->generic.level != RAW_MKDIR_MKDIR) { + return NT_STATUS_INVALID_LEVEL; + } + + unix_path = svfs_unix_path(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 request_context *req, struct smb_rmdir *rd) +{ + char *unix_path; + + unix_path = svfs_unix_path(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 request_context *req, struct smb_rename *ren) +{ + char *unix_path1, *unix_path2; + + unix_path1 = svfs_unix_path(req, ren->in.pattern1); + unix_path2 = svfs_unix_path(req, ren->in.pattern2); + + if (rename(unix_path1, unix_path2) != 0) { + return map_nt_error_from_unix(errno); + } + + return NT_STATUS_OK; +} + +/* + copy a set of files +*/ +static NTSTATUS svfs_copy(struct request_context *req, struct smb_copy *cp) +{ + return NT_STATUS_NOT_SUPPORTED; +} + +/* + read from a file +*/ +static NTSTATUS svfs_read(struct request_context *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.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 request_context *req, union smb_write *wr) +{ + ssize_t ret; + + switch (wr->generic.level) { + case RAW_WRITE_WRITEX: + ret = pwrite(wr->writex.in.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; + + case RAW_WRITE_WRITE: + if (wr->write.in.count == 0) { + /* a truncate! */ + ret = ftruncate(wr->write.in.fnum, wr->write.in.offset); + } else { + ret = pwrite(wr->write.in.fnum, + wr->write.in.data, + wr->write.in.count, + wr->write.in.offset); + } + if (ret == -1) { + return map_nt_error_from_unix(errno); + } + + wr->write.out.nwritten = ret; + + return NT_STATUS_OK; + } + + return NT_STATUS_NOT_SUPPORTED; +} + +/* + seek in a file +*/ +static NTSTATUS svfs_seek(struct request_context *req, struct smb_seek *io) +{ + return NT_STATUS_NOT_SUPPORTED; +} + +/* + flush a file +*/ +static NTSTATUS svfs_flush(struct request_context *req, struct smb_flush *io) +{ + fsync(io->in.fnum); + return NT_STATUS_OK; +} + +/* + close a file +*/ +static NTSTATUS svfs_close(struct request_context *req, union smb_close *io) +{ + if (io->generic.level != RAW_CLOSE_CLOSE) { + /* we need a mapping function */ + return NT_STATUS_INVALID_LEVEL; + } + + if (close(io->close.in.fnum) != 0) { + return map_nt_error_from_unix(errno); + } + + return NT_STATUS_OK; +} + +/* + exit - closing files? +*/ +static NTSTATUS svfs_exit(struct request_context *req) +{ + return NT_STATUS_NOT_SUPPORTED; +} + +/* + lock a byte range +*/ +static NTSTATUS svfs_lock(struct request_context *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 request_context *req, union smb_setfileinfo *st) +{ + return NT_STATUS_NOT_SUPPORTED; +} + +/* + set info on a open file +*/ +static NTSTATUS svfs_setfileinfo(struct request_context *req, + union smb_setfileinfo *info) +{ + struct utimbuf unix_times; + int fd; + + 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.file.fnum, + info->end_of_file_info.in.size) != 0) { + 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.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 (svfs_file_utime(fd, &unix_times) != 0) { + return NT_STATUS_ACCESS_DENIED; + } + break; + } + return NT_STATUS_OK; +} + + +/* + return filesystem space info +*/ +static NTSTATUS svfs_fsinfo(struct request_context *req, union smb_fsinfo *fs) +{ + struct svfs_private *private = req->conn->ntvfs_private; + struct stat st; + + if (fs->generic.level != RAW_QFS_GENERIC) { + return ntvfs_map_fsinfo(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->mem_ctx, lp_servicename(req->conn->service)); + fs->generic.out.fs_type = req->conn->fs_type; + + return NT_STATUS_OK; +} + +#if 0 +/* + return filesystem attribute info +*/ +static NTSTATUS svfs_fsattr(struct request_context *req, union smb_fsattr *fs) +{ + struct stat st; + struct svfs_private *private = req->conn->ntvfs_private; + + if (fs->generic.level != RAW_FSATTR_GENERIC) { + return ntvfs_map_fsattr(req, fs); + } + + if (stat(private->connectpath, &st) != 0) { + 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->mem_ctx, "NTFS"); + fs->generic.out.volume_name = talloc_strdup(req->mem_ctx, + lp_servicename(req->conn->service)); + + return NT_STATUS_OK; +} +#endif + +/* + return print queue info +*/ +static NTSTATUS svfs_lpq(struct request_context *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 request_context *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 = req->conn->ntvfs_private; + struct search_state *search; + union smb_search_data file; + TALLOC_CTX *mem_ctx; + uint_t max_count; + + if (io->generic.level != RAW_SEARCH_BOTH_DIRECTORY_INFO) { + return NT_STATUS_NOT_SUPPORTED; + } + + mem_ctx = talloc_init("svfs_search"); + + search = talloc_zero(mem_ctx, sizeof(struct search_state)); + if (!search) { + return NT_STATUS_NO_MEMORY; + } + + max_count = io->t2ffirst.in.max_count; + + dir = svfs_list(mem_ctx, req, io->t2ffirst.in.pattern); + if (!dir) { + talloc_destroy_pool(mem_ctx); + return NT_STATUS_FOOBAR; + } + + search->mem_ctx = mem_ctx; + 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_destroy(search->mem_ctx); + } else { + private->next_search_handle++; + DLIST_ADD(private->search, search); + } + + return NT_STATUS_OK; +} + +/* continue a search */ +static NTSTATUS svfs_search_next(struct request_context *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 = req->conn->ntvfs_private; + 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_destroy(search->mem_ctx); + } + + return NT_STATUS_OK; +} + +/* close a search */ +static NTSTATUS svfs_search_close(struct request_context *req, union smb_search_close *io) +{ + struct svfs_private *private = req->conn->ntvfs_private; + 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_destroy(search->mem_ctx); + + return NT_STATUS_OK; +} + + +/* + initialialise the POSIX disk backend, registering ourselves with the ntvfs subsystem + */ +BOOL posix_vfs_init(void) +{ + BOOL ret; + struct ntvfs_ops ops; + + 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; + + /* register ourselves with the NTVFS subsystem. We register under the name 'default' + as we wish to be the default backend */ + ret = ntvfs_register("simple", NTVFS_DISK, &ops); + + if (!ret) { + DEBUG(0,("Failed to register POSIX backend!\n")); + return False; + } + + return True; +} |