* AppleTalk VFS module for Samba-3.x
*
* Copyright (C) Alexei Kotovich, 2002
+ * Copyright (C) Stefan (metze) Metzmacher, 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
+ * 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,
* 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.
+ * along with this program; if not, see <http://www.gnu.org/licenses/>.
*/
-#include "config.h"
-#include <stdio.h>
-#include <sys/stat.h>
-#ifdef HAVE_UTIME_H
-#include <utime.h>
-#endif
-#ifdef HAVE_DIRENT_H
-#include <dirent.h>
-#endif
-#ifdef HAVE_FCNTL_H
-#include <fcntl.h>
-#endif
-#include <errno.h>
-#include <string.h>
-#include <includes.h>
-#include <vfs.h>
+#include "includes.h"
+#include "smbd/smbd.h"
+#include "system/filesys.h"
+
+#undef DBGC_CLASS
+#define DBGC_CLASS DBGC_VFS
#define APPLEDOUBLE ".AppleDouble"
#define ADOUBLEMODE 0777
/* atalk functions */
static int atalk_build_paths(TALLOC_CTX *ctx, const char *path,
- const char *fname, char **adbl_path, char **orig_path,
- SMB_STRUCT_STAT *adbl_info, SMB_STRUCT_STAT *orig_info);
+ const char *fname,
+ char **adbl_path, char **orig_path,
+ SMB_STRUCT_STAT *adbl_info,
+ SMB_STRUCT_STAT *orig_info);
static int atalk_unlink_file(const char *path);
-static struct vfs_ops default_vfs_ops; /* For passthrough operation */
-static struct smb_vfs_handle_struct *atalk_handle;
-
static int atalk_get_path_ptr(char *path)
{
int i = 0;
return ptr;
}
-static int atalk_build_paths(TALLOC_CTX *ctx, const char *path, const char *fname,
- char **adbl_path, char **orig_path,
- SMB_STRUCT_STAT *adbl_info, SMB_STRUCT_STAT *orig_info)
+static int atalk_build_paths(TALLOC_CTX *ctx, const char *path,
+ const char *fname,
+ char **adbl_path, char **orig_path,
+ SMB_STRUCT_STAT *adbl_info,
+ SMB_STRUCT_STAT *orig_info)
{
int ptr0 = 0;
int ptr1 = 0;
#if 0
DEBUG(3, ("ATALK: PATH: %s[%s]\n", path, fname));
#endif
- if (strstr(path, APPLEDOUBLE) || strstr(fname, APPLEDOUBLE)) {
+ if (strstr_m(path, APPLEDOUBLE) || strstr_m(fname, APPLEDOUBLE)) {
DEBUG(3, ("ATALK: path %s[%s] already contains %s\n", path, fname, APPLEDOUBLE));
return -1;
}
/* get pointer to last '/' */
ptr1 = atalk_get_path_ptr(*orig_path);
- sys_lstat(*orig_path, orig_info);
+ sys_lstat(*orig_path, orig_info, false);
- if (S_ISDIR(orig_info->st_mode)) {
+ if (S_ISDIR(orig_info->st_ex_mode)) {
*adbl_path = talloc_asprintf(ctx, "%s/%s/%s/",
path, &fname[ptr0], APPLEDOUBLE);
} else {
#if 0
DEBUG(3, ("ATALK: DEBUG:\n%s\n%s\n", *orig_path, *adbl_path));
#endif
- sys_lstat(*adbl_path, adbl_info);
+ sys_lstat(*adbl_path, adbl_info, false);
return 0;
}
if (cur_list) {
for (i = 0, count = 0; cur_list[i].name; i ++, count ++) {
- if (strstr(cur_list[i].name, APPLEDOUBLE))
+ if (strstr_m(cur_list[i].name, APPLEDOUBLE))
return;
}
}
- if (!(new_list = calloc(1,
- (count == 0 ? 1 : count + 1) * sizeof(name_compare_entry))))
+ if (!(new_list = SMB_CALLOC_ARRAY(name_compare_entry, count + 2)))
return;
for (i = 0; i < count; i ++) {
- new_list[i].name = strdup(cur_list[i].name);
+ new_list[i].name = SMB_STRDUP(cur_list[i].name);
new_list[i].is_wild = cur_list[i].is_wild;
}
- new_list[i].name = strdup(APPLEDOUBLE);
+ new_list[i].name = SMB_STRDUP(APPLEDOUBLE);
new_list[i].is_wild = False;
free_namearray(*list);
/* Directory operations */
-DIR *atalk_opendir(struct connection_struct *conn, const char *fname)
+static DIR *atalk_opendir(struct vfs_handle_struct *handle, const char *fname, const char *mask, uint32_t attr)
{
DIR *ret = 0;
-
- ret = default_vfs_ops.opendir(conn, fname);
+
+ ret = SMB_VFS_NEXT_OPENDIR(handle, fname, mask, attr);
/*
* when we try to perform delete operation upon file which has fork
* list then it would be nice to add one.
*/
- atalk_add_to_list(&conn->hide_list);
- atalk_add_to_list(&conn->veto_list);
+ atalk_add_to_list(&handle->conn->hide_list);
+ atalk_add_to_list(&handle->conn->veto_list);
return ret;
}
-static int atalk_rmdir(struct connection_struct *conn, const char *path)
+static DIR *atalk_fdopendir(struct vfs_handle_struct *handle, files_struct *fsp, const char *mask, uint32_t attr)
{
- BOOL add = False;
+ DIR *ret = 0;
+
+ ret = SMB_VFS_NEXT_FDOPENDIR(handle, fsp, mask, attr);
+
+ if (ret == NULL) {
+ return ret;
+ }
+
+ /*
+ * when we try to perform delete operation upon file which has fork
+ * in ./.AppleDouble and this directory wasn't hidden by Samba,
+ * MS Windows explorer causes the error: "Cannot find the specified file"
+ * There is some workaround to avoid this situation, i.e. if
+ * connection has not .AppleDouble entry in either veto or hide
+ * list then it would be nice to add one.
+ */
+
+ atalk_add_to_list(&handle->conn->hide_list);
+ atalk_add_to_list(&handle->conn->veto_list);
+
+ return ret;
+}
+
+static int atalk_rmdir(struct vfs_handle_struct *handle, const char *path)
+{
+ bool add = False;
TALLOC_CTX *ctx = 0;
char *dpath;
- if (!conn || !conn->origpath || !path) goto exit_rmdir;
+ if (!handle->conn->cwd || !path) goto exit_rmdir;
/* due to there is no way to change bDeleteVetoFiles variable
* from this module, gotta use talloc stuff..
*/
- strstr(path, APPLEDOUBLE) ? (add = False) : (add = True);
+ strstr_m(path, APPLEDOUBLE) ? (add = False) : (add = True);
if (!(ctx = talloc_init("remove_directory")))
goto exit_rmdir;
if (!(dpath = talloc_asprintf(ctx, "%s/%s%s",
- conn->origpath, path, add ? "/"APPLEDOUBLE : "")))
+ handle->conn->cwd, path, add ? "/"APPLEDOUBLE : "")))
goto exit_rmdir;
atalk_rrmdir(ctx, dpath);
exit_rmdir:
talloc_destroy(ctx);
- return default_vfs_ops.rmdir(conn, path);
+ return SMB_VFS_NEXT_RMDIR(handle, path);
}
/* File operations */
-static int atalk_rename(struct connection_struct *conn, const char *old, const char *new)
+static int atalk_rename(struct vfs_handle_struct *handle,
+ const struct smb_filename *smb_fname_src,
+ const struct smb_filename *smb_fname_dst)
{
int ret = 0;
- char *adbl_path = 0;
- char *orig_path = 0;
+ char *oldname = NULL;
+ char *adbl_path = NULL;
+ char *orig_path = NULL;
SMB_STRUCT_STAT adbl_info;
SMB_STRUCT_STAT orig_info;
- TALLOC_CTX *ctx;
+ NTSTATUS status;
- ret = default_vfs_ops.rename(conn, old, new);
+ ret = SMB_VFS_NEXT_RENAME(handle, smb_fname_src, smb_fname_dst);
- if (!conn || !old) return ret;
-
- if (!(ctx = talloc_init("rename_file")))
+ status = get_full_smb_filename(talloc_tos(), smb_fname_src, &oldname);
+ if (!NT_STATUS_IS_OK(status)) {
return ret;
+ }
- if (atalk_build_paths(ctx, conn->origpath, old, &adbl_path, &orig_path,
- &adbl_info, &orig_info) != 0)
- return ret;
+ if (atalk_build_paths(talloc_tos(), handle->conn->cwd, oldname,
+ &adbl_path, &orig_path, &adbl_info,
+ &orig_info) != 0)
+ goto exit_rename;
- if (S_ISDIR(orig_info.st_mode) || S_ISREG(orig_info.st_mode)) {
+ if (S_ISDIR(orig_info.st_ex_mode) || S_ISREG(orig_info.st_ex_mode)) {
DEBUG(3, ("ATALK: %s has passed..\n", adbl_path));
goto exit_rename;
}
atalk_unlink_file(adbl_path);
exit_rename:
- talloc_destroy(ctx);
+ TALLOC_FREE(oldname);
+ TALLOC_FREE(adbl_path);
+ TALLOC_FREE(orig_path);
return ret;
}
-static int atalk_unlink(struct connection_struct *conn, const char *path)
+static int atalk_unlink(struct vfs_handle_struct *handle,
+ const struct smb_filename *smb_fname)
{
int ret = 0, i;
- char *adbl_path = 0;
- char *orig_path = 0;
+ char *path = NULL;
+ char *adbl_path = NULL;
+ char *orig_path = NULL;
SMB_STRUCT_STAT adbl_info;
SMB_STRUCT_STAT orig_info;
- TALLOC_CTX *ctx;
+ NTSTATUS status;
- ret = default_vfs_ops.unlink(conn, path);
+ ret = SMB_VFS_NEXT_UNLINK(handle, smb_fname);
- if (!conn || !path) return ret;
+ status = get_full_smb_filename(talloc_tos(), smb_fname, &path);
+ if (!NT_STATUS_IS_OK(status)) {
+ return ret;
+ }
/* no .AppleDouble sync if veto or hide list is empty,
* otherwise "Cannot find the specified file" error will be caused
*/
- if (!conn->veto_list) return ret;
- if (!conn->hide_list) return ret;
+ if (!handle->conn->veto_list) return ret;
+ if (!handle->conn->hide_list) return ret;
- for (i = 0; conn->veto_list[i].name; i ++) {
- if (strstr(conn->veto_list[i].name, APPLEDOUBLE))
+ for (i = 0; handle->conn->veto_list[i].name; i ++) {
+ if (strstr_m(handle->conn->veto_list[i].name, APPLEDOUBLE))
break;
}
- if (!conn->veto_list[i].name) {
- for (i = 0; conn->hide_list[i].name; i ++) {
- if (strstr(conn->hide_list[i].name, APPLEDOUBLE))
+ if (!handle->conn->veto_list[i].name) {
+ for (i = 0; handle->conn->hide_list[i].name; i ++) {
+ if (strstr_m(handle->conn->hide_list[i].name, APPLEDOUBLE))
break;
else {
DEBUG(3, ("ATALK: %s is not hidden, skipped..\n",
APPLEDOUBLE));
- return ret;
+ goto exit_unlink;
}
}
}
- if (!(ctx = talloc_init("unlink_file")))
- return ret;
-
- if (atalk_build_paths(ctx, conn->origpath, path, &adbl_path, &orig_path,
- &adbl_info, &orig_info) != 0)
- return ret;
+ if (atalk_build_paths(talloc_tos(), handle->conn->cwd, path,
+ &adbl_path, &orig_path,
+ &adbl_info, &orig_info) != 0)
+ goto exit_unlink;
- if (S_ISDIR(orig_info.st_mode) || S_ISREG(orig_info.st_mode)) {
+ if (S_ISDIR(orig_info.st_ex_mode) || S_ISREG(orig_info.st_ex_mode)) {
DEBUG(3, ("ATALK: %s has passed..\n", adbl_path));
goto exit_unlink;
}
atalk_unlink_file(adbl_path);
-exit_unlink:
- talloc_destroy(ctx);
+exit_unlink:
+ TALLOC_FREE(path);
+ TALLOC_FREE(adbl_path);
+ TALLOC_FREE(orig_path);
return ret;
}
-static int atalk_chmod(struct connection_struct *conn, const char *path, mode_t mode)
+static int atalk_chmod(struct vfs_handle_struct *handle, const char *path, mode_t mode)
{
int ret = 0;
char *adbl_path = 0;
SMB_STRUCT_STAT orig_info;
TALLOC_CTX *ctx;
- ret = default_vfs_ops.chmod(conn, path, mode);
+ ret = SMB_VFS_NEXT_CHMOD(handle, path, mode);
- if (!conn || !path) return ret;
+ if (!path) return ret;
if (!(ctx = talloc_init("chmod_file")))
return ret;
- if (atalk_build_paths(ctx, conn->origpath, path, &adbl_path, &orig_path,
- &adbl_info, &orig_info) != 0)
- return ret;
+ if (atalk_build_paths(ctx, handle->conn->cwd, path, &adbl_path,
+ &orig_path, &adbl_info, &orig_info) != 0)
+ goto exit_chmod;
- if (!S_ISDIR(orig_info.st_mode) && !S_ISREG(orig_info.st_mode)) {
+ if (!S_ISDIR(orig_info.st_ex_mode) && !S_ISREG(orig_info.st_ex_mode)) {
DEBUG(3, ("ATALK: %s has passed..\n", orig_path));
goto exit_chmod;
}
return ret;
}
-static int atalk_chown(struct connection_struct *conn, const char *path, uid_t uid, gid_t gid)
+static int atalk_chown(struct vfs_handle_struct *handle, const char *path, uid_t uid, gid_t gid)
{
int ret = 0;
char *adbl_path = 0;
SMB_STRUCT_STAT orig_info;
TALLOC_CTX *ctx;
- ret = default_vfs_ops.chown(conn, path, uid, gid);
+ ret = SMB_VFS_NEXT_CHOWN(handle, path, uid, gid);
- if (!conn || !path) return ret;
+ if (!path) return ret;
if (!(ctx = talloc_init("chown_file")))
return ret;
- if (atalk_build_paths(ctx, conn->origpath, path, &adbl_path, &orig_path,
- &adbl_info, &orig_info) != 0)
- return ret;
+ if (atalk_build_paths(ctx, handle->conn->cwd, path,
+ &adbl_path, &orig_path,
+ &adbl_info, &orig_info) != 0)
+ goto exit_chown;
- if (!S_ISDIR(orig_info.st_mode) && !S_ISREG(orig_info.st_mode)) {
+ if (!S_ISDIR(orig_info.st_ex_mode) && !S_ISREG(orig_info.st_ex_mode)) {
DEBUG(3, ("ATALK: %s has passed..\n", orig_path));
goto exit_chown;
}
- chown(adbl_path, uid, gid);
+ if (chown(adbl_path, uid, gid) == -1) {
+ DEBUG(3, ("ATALK: chown error %s\n", strerror(errno)));
+ }
exit_chown:
talloc_destroy(ctx);
return ret;
}
-static vfs_op_tuple atalk_ops[] = {
-
- /* Directory operations */
+static int atalk_lchown(struct vfs_handle_struct *handle, const char *path, uid_t uid, gid_t gid)
+{
+ int ret = 0;
+ char *adbl_path = 0;
+ char *orig_path = 0;
+ SMB_STRUCT_STAT adbl_info;
+ SMB_STRUCT_STAT orig_info;
+ TALLOC_CTX *ctx;
+
+ ret = SMB_VFS_NEXT_CHOWN(handle, path, uid, gid);
- {atalk_opendir, SMB_VFS_OP_OPENDIR, SMB_VFS_LAYER_TRANSPARENT},
- {atalk_rmdir, SMB_VFS_OP_RMDIR, SMB_VFS_LAYER_TRANSPARENT},
+ if (!path) return ret;
- /* File operations */
+ if (!(ctx = talloc_init("lchown_file")))
+ return ret;
- {atalk_rename, SMB_VFS_OP_RENAME, SMB_VFS_LAYER_TRANSPARENT},
- {atalk_unlink, SMB_VFS_OP_UNLINK, SMB_VFS_LAYER_TRANSPARENT},
- {atalk_chmod, SMB_VFS_OP_CHMOD, SMB_VFS_LAYER_TRANSPARENT},
- {atalk_chown, SMB_VFS_OP_CHOWN, SMB_VFS_LAYER_TRANSPARENT},
-
- /* Finish VFS operations definition */
-
- {NULL, SMB_VFS_OP_NOOP, SMB_VFS_LAYER_NOOP}
-};
+ if (atalk_build_paths(ctx, handle->conn->cwd, path,
+ &adbl_path, &orig_path,
+ &adbl_info, &orig_info) != 0)
+ goto exit_lchown;
-/* VFS initialisation function. Return vfs_op_tuple array back to SAMBA. */
-static vfs_op_tuple *netatalk_init(const struct vfs_ops *def_vfs_ops,
- struct smb_vfs_handle_struct *vfs_handle)
-{
- memcpy(&default_vfs_ops, def_vfs_ops, sizeof(struct vfs_ops));
-
- atalk_handle = vfs_handle;
+ if (!S_ISDIR(orig_info.st_ex_mode) && !S_ISREG(orig_info.st_ex_mode)) {
+ DEBUG(3, ("ATALK: %s has passed..\n", orig_path));
+ goto exit_lchown;
+ }
+
+ if (lchown(adbl_path, uid, gid) == -1) {
+ DEBUG(3, ("ATALK: lchown error %s\n", strerror(errno)));
+ }
- DEBUG(3, ("ATALK: vfs module loaded\n"));
- return atalk_ops;
+exit_lchown:
+ talloc_destroy(ctx);
+ return ret;
}
+static struct vfs_fn_pointers vfs_netatalk_fns = {
+ .opendir_fn = atalk_opendir,
+ .fdopendir_fn = atalk_fdopendir,
+ .rmdir_fn = atalk_rmdir,
+ .rename_fn = atalk_rename,
+ .unlink_fn = atalk_unlink,
+ .chmod_fn = atalk_chmod,
+ .chown_fn = atalk_chown,
+ .lchown_fn = atalk_lchown,
+};
+
+NTSTATUS vfs_netatalk_init(void);
NTSTATUS vfs_netatalk_init(void)
{
- return smb_register_vfs(SMB_VFS_INTERFACE_VERSION, "netatalk", netatalk_init);
+ return smb_register_vfs(SMB_VFS_INTERFACE_VERSION, "netatalk",
+ &vfs_netatalk_fns);
}