summaryrefslogtreecommitdiffstats
path: root/source4/ntvfs/simple
diff options
context:
space:
mode:
Diffstat (limited to 'source4/ntvfs/simple')
-rw-r--r--source4/ntvfs/simple/README10
-rw-r--r--source4/ntvfs/simple/svfs.h38
-rw-r--r--source4/ntvfs/simple/svfs_util.c189
-rw-r--r--source4/ntvfs/simple/vfs_simple.c1112
4 files changed, 1349 insertions, 0 deletions
diff --git a/source4/ntvfs/simple/README b/source4/ntvfs/simple/README
new file mode 100644
index 0000000..f1de5d9
--- /dev/null
+++ b/source4/ntvfs/simple/README
@@ -0,0 +1,10 @@
+This module (ntvfs 'simple') provides a very, very simple posix backend.
+
+WARNING: All file access is done as user 'root'!!!
+ Only use this module for testing, with only test data!!!
+
+For activating this module use:
+
+[testshare]
+ path = /tmp/testshare
+ nfvfs handler = simple
diff --git a/source4/ntvfs/simple/svfs.h b/source4/ntvfs/simple/svfs.h
new file mode 100644
index 0000000..e5ad3b9
--- /dev/null
+++ b/source4/ntvfs/simple/svfs.h
@@ -0,0 +1,38 @@
+
+struct svfs_private {
+ struct ntvfs_module_context *ntvfs;
+
+ /* the base directory */
+ char *connectpath;
+
+ /* a linked list of open searches */
+ struct search_state *search;
+
+ /* next available search handle */
+ uint16_t next_search_handle;
+
+ struct svfs_file *open_files;
+};
+
+struct svfs_dir {
+ unsigned int count;
+ char *unix_dir;
+ struct svfs_dirfile {
+ char *name;
+ struct stat st;
+ } *files;
+};
+
+struct svfs_file {
+ struct svfs_file *next, *prev;
+ int fd;
+ struct ntvfs_handle *handle;
+ char *name;
+};
+
+struct search_state {
+ struct search_state *next, *prev;
+ uint16_t handle;
+ unsigned int current_index;
+ struct svfs_dir *dir;
+};
diff --git a/source4/ntvfs/simple/svfs_util.c b/source4/ntvfs/simple/svfs_util.c
new file mode 100644
index 0000000..d1901ae
--- /dev/null
+++ b/source4/ntvfs/simple/svfs_util.c
@@ -0,0 +1,189 @@
+/*
+ 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 3 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, see <http://www.gnu.org/licenses/>.
+*/
+/*
+ utility functions for simple backend
+*/
+
+#include "includes.h"
+#include "system/filesys.h"
+#include "svfs.h"
+#include "system/time.h"
+#include "system/dir.h"
+#include "ntvfs/ntvfs.h"
+#include "ntvfs/simple/proto.h"
+
+/*
+ convert a windows path to a unix path - don't do any manging or case sensitive handling
+*/
+char *svfs_unix_path(struct ntvfs_module_context *ntvfs,
+ struct ntvfs_request *req, const char *name)
+{
+ struct svfs_private *p = ntvfs->private_data;
+ char *ret;
+ char *name_lower = strlower_talloc(p, name);
+
+ if (*name != '\\') {
+ ret = talloc_asprintf(req, "%s/%s", p->connectpath, name_lower);
+ } else {
+ ret = talloc_asprintf(req, "%s%s", p->connectpath, name_lower);
+ }
+ all_string_sub(ret, "\\", "/", 0);
+ talloc_free(name_lower);
+ return ret;
+}
+
+
+/*
+ read a directory and find all matching file names and stat info
+ returned names are separate unix and DOS names. The returned names
+ are relative to the directory
+*/
+struct svfs_dir *svfs_list_unix(TALLOC_CTX *mem_ctx, struct ntvfs_request *req, const char *unix_path)
+{
+ char *p, *mask;
+ struct svfs_dir *dir;
+ DIR *odir;
+ struct dirent *dent;
+ unsigned int allocated = 0;
+ char *low_mask;
+
+ dir = talloc(mem_ctx, struct svfs_dir);
+ if (!dir) { return NULL; }
+
+ dir->count = 0;
+ dir->files = 0;
+
+ /* find the base directory */
+ p = strrchr(unix_path, '/');
+ if (!p) { return NULL; }
+
+ dir->unix_dir = talloc_strndup(mem_ctx, unix_path, PTR_DIFF(p, unix_path));
+ if (!dir->unix_dir) { return NULL; }
+
+ /* the wildcard pattern is the last part */
+ mask = p+1;
+
+ low_mask = strlower_talloc(mem_ctx, mask);
+ if (!low_mask) { return NULL; }
+
+ odir = opendir(dir->unix_dir);
+ if (!odir) { return NULL; }
+
+ while ((dent = readdir(odir))) {
+ unsigned int i = dir->count;
+ char *full_name;
+ char *low_name;
+
+ if (strchr(dent->d_name, ':') && !strchr(unix_path, ':')) {
+ /* don't show streams in dir listing */
+ continue;
+ }
+
+ low_name = strlower_talloc(mem_ctx, dent->d_name);
+ if (!low_name) { continue; }
+
+ /* check it matches the wildcard pattern */
+ if (ms_fnmatch_protocol(low_mask, low_name, PROTOCOL_NT1,
+ false) != 0) {
+ continue;
+ }
+
+ if (dir->count >= allocated) {
+ allocated = (allocated + 100) * 1.2;
+ dir->files = talloc_realloc(dir, dir->files, struct svfs_dirfile, allocated);
+ if (!dir->files) {
+ closedir(odir);
+ return NULL;
+ }
+ }
+
+ dir->files[i].name = low_name;
+ if (!dir->files[i].name) { continue; }
+
+ full_name = talloc_asprintf(mem_ctx, "%s/%s", dir->unix_dir,
+ dir->files[i].name);
+ if (!full_name) { continue; }
+
+ if (stat(full_name, &dir->files[i].st) == 0) {
+ dir->count++;
+ }
+
+ talloc_free(full_name);
+ }
+
+ closedir(odir);
+
+ return dir;
+}
+
+/*
+ read a directory and find all matching file names and stat info
+ returned names are separate unix and DOS names. The returned names
+ are relative to the directory
+*/
+struct svfs_dir *svfs_list(struct ntvfs_module_context *ntvfs, struct ntvfs_request *req, const char *pattern)
+{
+ struct svfs_private *p = ntvfs->private_data;
+ char *unix_path;
+
+ unix_path = svfs_unix_path(ntvfs, req, pattern);
+ if (!unix_path) { return NULL; }
+
+ return svfs_list_unix(p, req, unix_path);
+}
+
+
+/*******************************************************************
+set the time on a file via file descriptor
+*******************************************************************/
+int svfs_file_utime(int fd, struct utimbuf *times)
+{
+ char *fd_path = NULL;
+ int ret;
+
+ ret = asprintf(&fd_path, "/proc/self/%d", fd);
+ if (ret == -1) {
+ errno = ENOMEM;
+ return -1;
+ }
+
+ if (!fd_path) {
+ errno = ENOMEM;
+ return -1;
+ }
+
+ ret = utime(fd_path, times);
+ free(fd_path);
+ return ret;
+}
+
+
+/*
+ map a unix file attrib to a DOS attribute
+*/
+uint16_t svfs_unix_to_dos_attrib(mode_t mode)
+{
+ uint16_t ret = 0;
+ if (S_ISDIR(mode)) ret |= FILE_ATTRIBUTE_DIRECTORY;
+ if (!(mode & S_IWUSR)) ret |= FILE_ATTRIBUTE_READONLY;
+ return ret;
+}
+
diff --git a/source4/ntvfs/simple/vfs_simple.c b/source4/ntvfs/simple/vfs_simple.c
new file mode 100644
index 0000000..2fe2084
--- /dev/null
+++ b/source4/ntvfs/simple/vfs_simple.c
@@ -0,0 +1,1112 @@
+/*
+ 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 3 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, see <http://www.gnu.org/licenses/>.
+*/
+/*
+ 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 "svfs.h"
+#include "system/time.h"
+#include "../lib/util/dlinklist.h"
+#include "ntvfs/ntvfs.h"
+#include "ntvfs/simple/proto.h"
+
+#ifndef O_DIRECTORY
+#define O_DIRECTORY 0
+#endif
+
+#define CHECK_READ_ONLY(req) do { if (share_bool_option(ntvfs->ctx->config, SHARE_READONLY, true)) 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,
+ union smb_tcon* tcon)
+{
+ struct stat st;
+ struct svfs_private *p;
+ struct share_config *scfg = ntvfs->ctx->config;
+ const char *sharename;
+
+ switch (tcon->generic.level) {
+ case RAW_TCON_TCON:
+ sharename = tcon->tcon.in.service;
+ break;
+ case RAW_TCON_TCONX:
+ sharename = tcon->tconx.in.path;
+ break;
+ case RAW_TCON_SMB2:
+ sharename = tcon->smb2.in.path;
+ break;
+ default:
+ return NT_STATUS_INVALID_LEVEL;
+ }
+
+ if (strncmp(sharename, "\\\\", 2) == 0) {
+ char *p2 = strchr(sharename+2, '\\');
+ if (p2) {
+ sharename = p2 + 1;
+ }
+ }
+
+ p = talloc(ntvfs, struct svfs_private);
+ NT_STATUS_HAVE_NO_MEMORY(p);
+ p->ntvfs = ntvfs;
+ p->next_search_handle = 0;
+ p->connectpath = share_string_option(p, scfg, SHARE_PATH, "");
+ p->open_files = NULL;
+ p->search = NULL;
+
+ /* the directory must exist */
+ if (stat(p->connectpath, &st) != 0 || !S_ISDIR(st.st_mode)) {
+ DEBUG(0,("'%s' is not a directory, when connecting to [%s]\n",
+ p->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);
+
+ if (tcon->generic.level == RAW_TCON_TCONX) {
+ tcon->tconx.out.fs_type = ntvfs->ctx->fs_type;
+ tcon->tconx.out.dev_type = ntvfs->ctx->dev_type;
+ }
+
+ ntvfs->private_data = p;
+
+ 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 *sp, struct ntvfs_handle *handle)
+{
+ struct svfs_file *f;
+ void *p;
+
+ p = ntvfs_handle_get_backend_data(handle, sp->ntvfs);
+ if (!p) return NULL;
+
+ f = talloc_get_type(p, struct svfs_file);
+ if (!f) return NULL;
+
+ return f;
+}
+
+/*
+ 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 = svfs_unix_path(ntvfs, req, unl->unlink.in.pattern);
+
+ /* ignoring wildcards ... */
+ if (unlink(unix_path) == -1) {
+ return map_nt_error_from_unix_common(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 = svfs_unix_path(ntvfs, req, cp->chkpath.in.path);
+
+ if (stat(unix_path, &st) == -1) {
+ return map_nt_error_from_unix_common(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, ret;
+ const char *s, *short_name;
+
+ s = strrchr(unix_path, '/');
+ if (s) {
+ short_name = s+1;
+ } else {
+ short_name = "";
+ }
+
+ ret = asprintf(&pattern, "%s:*", unix_path);
+ if (ret == -1) {
+ return NT_STATUS_NO_MEMORY;
+ }
+
+ if (pattern) {
+ dir = svfs_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 = 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.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 = svfs_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_common(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 *p = 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(p, info->generic.in.file.ntvfs);
+ if (!f) {
+ return NT_STATUS_INVALID_HANDLE;
+ }
+
+ if (fstat(f->fd, &st) == -1) {
+ return map_nt_error_from_unix_common(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 *p = ntvfs->private_data;
+ char *unix_path;
+ struct stat st;
+ int fd, flags;
+ struct svfs_file *f;
+ int create_flags, rdwr_flags;
+ bool readonly;
+ NTSTATUS status;
+ struct ntvfs_handle *handle;
+
+ if (io->generic.level != RAW_OPEN_GENERIC) {
+ return ntvfs_map_open(ntvfs, req, io);
+ }
+
+ readonly = share_bool_option(ntvfs->ctx->config, SHARE_READONLY, SHARE_READONLY_DEFAULT);
+ if (readonly) {
+ create_flags = 0;
+ rdwr_flags = O_RDONLY;
+ } else {
+ create_flags = O_CREAT;
+ rdwr_flags = O_RDWR;
+ }
+
+ unix_path = svfs_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_common(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_common(errno);
+ }
+ break;
+ }
+ }
+
+do_open:
+ fd = open(unix_path, flags, 0644);
+ if (fd == -1) {
+ return map_nt_error_from_unix_common(errno);
+ }
+
+ if (fstat(fd, &st) == -1) {
+ DEBUG(9,("svfs_open: fstat errno=%d\n", errno));
+ close(fd);
+ return map_nt_error_from_unix_common(errno);
+ }
+
+ status = ntvfs_handle_new(ntvfs, req, &handle);
+ NT_STATUS_NOT_OK_RETURN(status);
+
+ f = talloc(handle, struct svfs_file);
+ if (f == NULL) {
+ close(fd);
+ return NT_STATUS_NO_MEMORY;
+ }
+ f->fd = fd;
+ f->name = talloc_strdup(f, unix_path);
+ NT_STATUS_HAVE_NO_MEMORY(f->name);
+
+ DLIST_ADD(p->open_files, f);
+
+ status = ntvfs_handle_set_backend_data(handle, ntvfs, f);
+ NT_STATUS_NOT_OK_RETURN(status);
+
+ 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.ntvfs = handle;
+ 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 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 = svfs_unix_path(ntvfs, req, md->mkdir.in.path);
+
+ if (mkdir(unix_path, 0777) == -1) {
+ return map_nt_error_from_unix_common(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 = svfs_unix_path(ntvfs, req, rd->in.path);
+
+ if (rmdir(unix_path) == -1) {
+ return map_nt_error_from_unix_common(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 = svfs_unix_path(ntvfs, req, ren->rename.in.pattern1);
+ unix_path2 = svfs_unix_path(ntvfs, req, ren->rename.in.pattern2);
+
+ if (rename(unix_path1, unix_path2) == -1) {
+ return map_nt_error_from_unix_common(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)
+{
+ struct svfs_private *p = ntvfs->private_data;
+ struct svfs_file *f;
+ ssize_t ret;
+
+ if (rd->generic.level != RAW_READ_READX) {
+ return NT_STATUS_NOT_SUPPORTED;
+ }
+
+ f = find_fd(p, rd->readx.in.file.ntvfs);
+ if (!f) {
+ return NT_STATUS_INVALID_HANDLE;
+ }
+
+ ret = pread(f->fd,
+ rd->readx.out.data,
+ rd->readx.in.maxcnt,
+ rd->readx.in.offset);
+ if (ret == -1) {
+ return map_nt_error_from_unix_common(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)
+{
+ struct svfs_private *p = ntvfs->private_data;
+ struct svfs_file *f;
+ ssize_t ret;
+
+ if (wr->generic.level != RAW_WRITE_WRITEX) {
+ return ntvfs_map_write(ntvfs, req, wr);
+ }
+
+ CHECK_READ_ONLY(req);
+
+ f = find_fd(p, wr->writex.in.file.ntvfs);
+ if (!f) {
+ return NT_STATUS_INVALID_HANDLE;
+ }
+
+ ret = pwrite(f->fd,
+ wr->writex.in.data,
+ wr->writex.in.count,
+ wr->writex.in.offset);
+ if (ret == -1) {
+ return map_nt_error_from_unix_common(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)
+{
+ struct svfs_private *p = ntvfs->private_data;
+ struct svfs_file *f;
+
+ switch (io->generic.level) {
+ case RAW_FLUSH_FLUSH:
+ case RAW_FLUSH_SMB2:
+ /* ignore the additional unknown option in SMB2 */
+ f = find_fd(p, io->generic.in.file.ntvfs);
+ if (!f) {
+ return NT_STATUS_INVALID_HANDLE;
+ }
+ fsync(f->fd);
+ return NT_STATUS_OK;
+
+ case RAW_FLUSH_ALL:
+ for (f=p->open_files;f;f=f->next) {
+ fsync(f->fd);
+ }
+ return NT_STATUS_OK;
+ }
+
+ return NT_STATUS_INVALID_LEVEL;
+}
+
+/*
+ close a file
+*/
+static NTSTATUS svfs_close(struct ntvfs_module_context *ntvfs,
+ struct ntvfs_request *req,
+ union smb_close *io)
+{
+ struct svfs_private *p = 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(p, io->close.in.file.ntvfs);
+ if (!f) {
+ return NT_STATUS_INVALID_HANDLE;
+ }
+
+ if (close(f->fd) == -1) {
+ return map_nt_error_from_unix_common(errno);
+ }
+
+ DLIST_REMOVE(p->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_data)
+{
+ 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 svfs_private *p = ntvfs->private_data;
+ struct svfs_file *f;
+ struct utimbuf unix_times;
+
+ CHECK_READ_ONLY(req);
+
+ f = find_fd(p, info->generic.in.file.ntvfs);
+ if (!f) {
+ return NT_STATUS_INVALID_HANDLE;
+ }
+
+ switch (info->generic.level) {
+ case RAW_SFILEINFO_END_OF_FILE_INFO:
+ case RAW_SFILEINFO_END_OF_FILE_INFORMATION:
+ if (ftruncate(f->fd,
+ info->end_of_file_info.in.size) == -1) {
+ return map_nt_error_from_unix_common(errno);
+ }
+ break;
+ case RAW_SFILEINFO_SETATTRE:
+ unix_times.actime = info->setattre.in.access_time;
+ unix_times.modtime = info->setattre.in.write_time;
+
+ 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(f->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 *p = ntvfs->private_data;
+ struct stat st;
+
+ if (fs->generic.level != RAW_QFS_GENERIC) {
+ return ntvfs_map_fsinfo(ntvfs, req, fs);
+ }
+
+ if (sys_fsusage(p->connectpath,
+ &fs->generic.out.blocks_free,
+ &fs->generic.out.blocks_total) == -1) {
+ return map_nt_error_from_unix_common(errno);
+ }
+
+ fs->generic.out.block_size = 512;
+
+ if (stat(p->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, ntvfs->ctx->config->name);
+ 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 *p = ntvfs->private_data;
+
+ if (fs->generic.level != RAW_FSATTR_GENERIC) {
+ return ntvfs_map_fsattr(ntvfs, req, fs);
+ }
+
+ if (stat(p->connectpath, &st) == -1) {
+ return map_nt_error_from_unix_common(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,
+ lpcfg_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 *, const union smb_search_data *))
+{
+ struct svfs_dir *dir;
+ int i;
+ struct svfs_private *p = ntvfs->private_data;
+ struct search_state *search;
+ union smb_search_data file;
+ unsigned int max_count;
+
+ if (io->generic.level != RAW_SEARCH_TRANS2) {
+ return NT_STATUS_NOT_SUPPORTED;
+ }
+
+ if (io->generic.data_level != RAW_SEARCH_DATA_BOTH_DIRECTORY_INFO) {
+ return NT_STATUS_NOT_SUPPORTED;
+ }
+
+ search = talloc_zero(p, struct search_state);
+ if (!search) {
+ return NT_STATUS_NO_MEMORY;
+ }
+
+ max_count = io->t2ffirst.in.max_count;
+
+ dir = svfs_list(ntvfs, req, io->t2ffirst.in.pattern);
+ if (!dir) {
+ return NT_STATUS_FOOBAR;
+ }
+
+ search->handle = p->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 {
+ p->next_search_handle++;
+ DLIST_ADD(p->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 *, const union smb_search_data *))
+{
+ struct svfs_dir *dir;
+ int i;
+ struct svfs_private *p = ntvfs->private_data;
+ struct search_state *search;
+ union smb_search_data file;
+ unsigned int max_count;
+
+ if (io->generic.level != RAW_SEARCH_TRANS2) {
+ return NT_STATUS_NOT_SUPPORTED;
+ }
+
+ if (io->generic.data_level != RAW_SEARCH_DATA_BOTH_DIRECTORY_INFO) {
+ return NT_STATUS_NOT_SUPPORTED;
+ }
+
+ for (search=p->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(p->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 *p = ntvfs->private_data;
+ struct search_state *search;
+
+ for (search=p->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(p->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_simple_init(TALLOC_CTX *ctx)
+{
+ NTSTATUS ret;
+ struct ntvfs_ops ops;
+ NTVFS_CURRENT_CRITICAL_SIZES(vers);
+
+ ZERO_STRUCT(ops);
+
+ /* fill in all the operations */
+ ops.connect_fn = svfs_connect;
+ ops.disconnect_fn = svfs_disconnect;
+ ops.unlink_fn = svfs_unlink;
+ ops.chkpath_fn = svfs_chkpath;
+ ops.qpathinfo_fn = svfs_qpathinfo;
+ ops.setpathinfo_fn = svfs_setpathinfo;
+ ops.open_fn = svfs_open;
+ ops.mkdir_fn = svfs_mkdir;
+ ops.rmdir_fn = svfs_rmdir;
+ ops.rename_fn = svfs_rename;
+ ops.copy_fn = svfs_copy;
+ ops.ioctl_fn = svfs_ioctl;
+ ops.read_fn = svfs_read;
+ ops.write_fn = svfs_write;
+ ops.seek_fn = svfs_seek;
+ ops.flush_fn = svfs_flush;
+ ops.close_fn = svfs_close;
+ ops.exit_fn = svfs_exit;
+ ops.lock_fn = svfs_lock;
+ ops.setfileinfo_fn = svfs_setfileinfo;
+ ops.qfileinfo_fn = svfs_qfileinfo;
+ ops.fsinfo_fn = svfs_fsinfo;
+ ops.lpq_fn = svfs_lpq;
+ ops.search_first_fn = svfs_search_first;
+ ops.search_next_fn = svfs_search_next;
+ ops.search_close_fn = svfs_search_close;
+ ops.trans_fn = svfs_trans;
+ ops.logoff_fn = svfs_logoff;
+ ops.async_setup_fn = svfs_async_setup;
+ ops.cancel_fn = svfs_cancel;
+
+ /* register ourselves with the NTVFS subsystem. We register
+ under names 'simple'
+ */
+
+ ops.type = NTVFS_DISK;
+ ops.name = "simple";
+ 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;
+}
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-24 01:32:36 +0000