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4a8cfe1650
Signed-off-by: Volker Lendecke <vl@samba.org> Reviewed-by: Jeremy Allison <jra@samba.org> Autobuild-User(master): Jeremy Allison <jra@samba.org> Autobuild-Date(master): Fri Jun 23 18:29:40 UTC 2023 on atb-devel-224
2696 lines
67 KiB
C
2696 lines
67 KiB
C
/*
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Unix SMB/Netbios implementation.
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Version 1.9.
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VFS initialisation and support functions
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Copyright (C) Tim Potter 1999
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Copyright (C) Alexander Bokovoy 2002
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Copyright (C) James Peach 2006
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Copyright (C) Volker Lendecke 2009
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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This work was sponsored by Optifacio Software Services, Inc.
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*/
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#include "includes.h"
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#include "system/filesys.h"
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#include "smbd/smbd.h"
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#include "smbd/globals.h"
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#include "../lib/util/memcache.h"
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#include "transfer_file.h"
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#include "ntioctl.h"
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#include "lib/util/tevent_unix.h"
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#include "lib/util/tevent_ntstatus.h"
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#include "lib/util/sys_rw.h"
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#undef DBGC_CLASS
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#define DBGC_CLASS DBGC_VFS
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static_decl_vfs;
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struct vfs_fsp_data {
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struct vfs_fsp_data *next;
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struct vfs_handle_struct *owner;
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void (*destroy)(void *p_data);
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void *_dummy_;
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/* NOTE: This structure contains four pointers so that we can guarantee
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* that the end of the structure is always both 4-byte and 8-byte aligned.
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*/
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};
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struct vfs_init_function_entry {
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char *name;
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struct vfs_init_function_entry *prev, *next;
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const struct vfs_fn_pointers *fns;
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};
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/****************************************************************************
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maintain the list of available backends
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****************************************************************************/
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static struct vfs_init_function_entry *vfs_find_backend_entry(const char *name)
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{
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struct vfs_init_function_entry *entry = backends;
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DEBUG(10, ("vfs_find_backend_entry called for %s\n", name));
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while(entry) {
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if (strcmp(entry->name, name)==0) return entry;
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entry = entry->next;
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}
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return NULL;
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}
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NTSTATUS smb_register_vfs(int version, const char *name,
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const struct vfs_fn_pointers *fns)
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{
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struct vfs_init_function_entry *entry = backends;
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if ((version != SMB_VFS_INTERFACE_VERSION)) {
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DEBUG(0, ("Failed to register vfs module.\n"
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"The module was compiled against SMB_VFS_INTERFACE_VERSION %d,\n"
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"current SMB_VFS_INTERFACE_VERSION is %d.\n"
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"Please recompile against the current Samba Version!\n",
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version, SMB_VFS_INTERFACE_VERSION));
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return NT_STATUS_OBJECT_TYPE_MISMATCH;
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}
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if (!name || !name[0]) {
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DEBUG(0,("smb_register_vfs() called with NULL pointer or empty name!\n"));
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return NT_STATUS_INVALID_PARAMETER;
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}
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if (vfs_find_backend_entry(name)) {
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DEBUG(0,("VFS module %s already loaded!\n", name));
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return NT_STATUS_OBJECT_NAME_COLLISION;
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}
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entry = SMB_XMALLOC_P(struct vfs_init_function_entry);
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entry->name = smb_xstrdup(name);
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entry->fns = fns;
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DLIST_ADD(backends, entry);
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DEBUG(5, ("Successfully added vfs backend '%s'\n", name));
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return NT_STATUS_OK;
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}
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/****************************************************************************
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initialise default vfs hooks
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****************************************************************************/
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static void vfs_init_default(connection_struct *conn)
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{
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DEBUG(3, ("Initialising default vfs hooks\n"));
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vfs_init_custom(conn, DEFAULT_VFS_MODULE_NAME);
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}
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/****************************************************************************
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initialise custom vfs hooks
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****************************************************************************/
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bool vfs_init_custom(connection_struct *conn, const char *vfs_object)
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{
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char *module_path = NULL;
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char *module_name = NULL;
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char *module_param = NULL, *p;
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vfs_handle_struct *handle;
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const struct vfs_init_function_entry *entry;
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if (!conn||!vfs_object||!vfs_object[0]) {
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DEBUG(0, ("vfs_init_custom() called with NULL pointer or "
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"empty vfs_object!\n"));
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return False;
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}
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if(!backends) {
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static_init_vfs(NULL);
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}
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DEBUG(3, ("Initialising custom vfs hooks from [%s]\n", vfs_object));
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module_path = smb_xstrdup(vfs_object);
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p = strchr_m(module_path, ':');
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if (p) {
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*p = 0;
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module_param = p+1;
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trim_char(module_param, ' ', ' ');
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}
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trim_char(module_path, ' ', ' ');
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module_name = smb_xstrdup(module_path);
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if ((module_name[0] == '/') &&
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(strcmp(module_path, DEFAULT_VFS_MODULE_NAME) != 0)) {
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/*
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* Extract the module name from the path. Just use the base
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* name of the last path component.
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*/
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SAFE_FREE(module_name);
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module_name = smb_xstrdup(strrchr_m(module_path, '/')+1);
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p = strchr_m(module_name, '.');
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if (p != NULL) {
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*p = '\0';
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}
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}
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/* First, try to load the module with the new module system */
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entry = vfs_find_backend_entry(module_name);
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if (!entry) {
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NTSTATUS status;
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DEBUG(5, ("vfs module [%s] not loaded - trying to load...\n",
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vfs_object));
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status = smb_load_module("vfs", module_path);
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if (!NT_STATUS_IS_OK(status)) {
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DEBUG(0, ("error probing vfs module '%s': %s\n",
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module_path, nt_errstr(status)));
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goto fail;
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}
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entry = vfs_find_backend_entry(module_name);
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if (!entry) {
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DEBUG(0,("Can't find a vfs module [%s]\n",vfs_object));
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goto fail;
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}
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}
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DEBUGADD(5,("Successfully loaded vfs module [%s] with the new modules system\n", vfs_object));
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handle = talloc_zero(conn, vfs_handle_struct);
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if (!handle) {
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DEBUG(0,("TALLOC_ZERO() failed!\n"));
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goto fail;
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}
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handle->conn = conn;
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handle->fns = entry->fns;
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if (module_param) {
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handle->param = talloc_strdup(conn, module_param);
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}
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DLIST_ADD(conn->vfs_handles, handle);
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SAFE_FREE(module_path);
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SAFE_FREE(module_name);
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return True;
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fail:
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SAFE_FREE(module_path);
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SAFE_FREE(module_name);
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return False;
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}
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/*****************************************************************
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Allow VFS modules to extend files_struct with VFS-specific state.
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This will be ok for small numbers of extensions, but might need to
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be refactored if it becomes more widely used.
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******************************************************************/
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#define EXT_DATA_AREA(e) ((uint8_t *)(e) + sizeof(struct vfs_fsp_data))
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void *vfs_add_fsp_extension_notype(vfs_handle_struct *handle,
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files_struct *fsp, size_t ext_size,
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void (*destroy_fn)(void *p_data))
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{
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struct vfs_fsp_data *ext;
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void * ext_data;
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/* Prevent VFS modules adding multiple extensions. */
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if ((ext_data = vfs_fetch_fsp_extension(handle, fsp))) {
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return ext_data;
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}
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ext = talloc_zero_size(
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handle->conn, sizeof(struct vfs_fsp_data) + ext_size);
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if (ext == NULL) {
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return NULL;
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}
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ext->owner = handle;
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ext->next = fsp->vfs_extension;
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ext->destroy = destroy_fn;
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fsp->vfs_extension = ext;
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return EXT_DATA_AREA(ext);
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}
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void vfs_remove_fsp_extension(vfs_handle_struct *handle, files_struct *fsp)
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{
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struct vfs_fsp_data *curr;
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struct vfs_fsp_data *prev;
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for (curr = fsp->vfs_extension, prev = NULL;
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curr;
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prev = curr, curr = curr->next) {
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if (curr->owner == handle) {
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if (prev) {
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prev->next = curr->next;
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} else {
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fsp->vfs_extension = curr->next;
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}
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if (curr->destroy) {
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curr->destroy(EXT_DATA_AREA(curr));
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}
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TALLOC_FREE(curr);
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return;
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}
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}
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}
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void vfs_remove_all_fsp_extensions(files_struct *fsp)
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{
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struct vfs_fsp_data *curr;
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struct vfs_fsp_data *next;
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for (curr = fsp->vfs_extension; curr; curr = next) {
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next = curr->next;
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fsp->vfs_extension = next;
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if (curr->destroy) {
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curr->destroy(EXT_DATA_AREA(curr));
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}
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TALLOC_FREE(curr);
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}
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}
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void *vfs_memctx_fsp_extension(vfs_handle_struct *handle,
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const struct files_struct *fsp)
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{
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struct vfs_fsp_data *head;
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for (head = fsp->vfs_extension; head; head = head->next) {
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if (head->owner == handle) {
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return head;
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}
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}
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return NULL;
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}
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void *vfs_fetch_fsp_extension(vfs_handle_struct *handle,
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const struct files_struct *fsp)
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{
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struct vfs_fsp_data *head;
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head = (struct vfs_fsp_data *)vfs_memctx_fsp_extension(handle, fsp);
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if (head != NULL) {
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return EXT_DATA_AREA(head);
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}
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return NULL;
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}
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#undef EXT_DATA_AREA
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/*
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* Ensure this module catches all VFS functions.
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*/
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#ifdef DEVELOPER
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void smb_vfs_assert_all_fns(const struct vfs_fn_pointers* fns,
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const char *module)
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{
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bool missing_fn = false;
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unsigned int idx;
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const uintptr_t *end = (const uintptr_t *)(fns + 1);
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for (idx = 0; ((const uintptr_t *)fns + idx) < end; idx++) {
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if (*((const uintptr_t *)fns + idx) == 0) {
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DBG_ERR("VFS function at index %d not implemented "
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"in module %s\n", idx, module);
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missing_fn = true;
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}
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}
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if (missing_fn) {
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smb_panic("Required VFS function not implemented in module.\n");
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}
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}
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#else
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void smb_vfs_assert_all_fns(const struct vfs_fn_pointers* fns,
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const char *module)
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{
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}
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#endif
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/*****************************************************************
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Generic VFS init.
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******************************************************************/
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bool smbd_vfs_init(connection_struct *conn)
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{
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const char **vfs_objects;
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unsigned int i = 0;
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int j = 0;
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/* Normal share - initialise with disk access functions */
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vfs_init_default(conn);
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/* No need to load vfs modules for printer connections */
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if (conn->printer) {
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return True;
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}
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if (lp_widelinks(SNUM(conn))) {
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/*
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* As the widelinks logic is now moving into a
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* vfs_widelinks module, we need to custom load
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* it after the default module is initialized.
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* That way no changes to smb.conf files are
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* needed.
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*/
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bool ok = vfs_init_custom(conn, "widelinks");
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if (!ok) {
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DBG_ERR("widelinks enabled and vfs_init_custom "
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"failed for vfs_widelinks module\n");
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return false;
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}
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}
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vfs_objects = lp_vfs_objects(SNUM(conn));
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/* Override VFS functions if 'vfs object' was not specified*/
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if (!vfs_objects || !vfs_objects[0])
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return True;
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for (i=0; vfs_objects[i] ;) {
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i++;
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}
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for (j=i-1; j >= 0; j--) {
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if (!vfs_init_custom(conn, vfs_objects[j])) {
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DEBUG(0, ("smbd_vfs_init: vfs_init_custom failed for %s\n", vfs_objects[j]));
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return False;
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}
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}
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return True;
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}
|
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/*******************************************************************
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Check if a file exists in the vfs.
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********************************************************************/
|
|
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NTSTATUS vfs_file_exist(connection_struct *conn, struct smb_filename *smb_fname)
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{
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/* Only return OK if stat was successful and S_ISREG */
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if ((SMB_VFS_STAT(conn, smb_fname) != -1) &&
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S_ISREG(smb_fname->st.st_ex_mode)) {
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return NT_STATUS_OK;
|
|
}
|
|
|
|
return NT_STATUS_OBJECT_NAME_NOT_FOUND;
|
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}
|
|
|
|
bool vfs_valid_pread_range(off_t offset, size_t length)
|
|
{
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|
return sys_valid_io_range(offset, length);
|
|
}
|
|
|
|
bool vfs_valid_pwrite_range(off_t offset, size_t length)
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|
{
|
|
/*
|
|
* See MAXFILESIZE in [MS-FSA] 2.1.5.3 Server Requests a Write
|
|
*/
|
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static const uint64_t maxfilesize = 0xfffffff0000;
|
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uint64_t last_byte_ofs;
|
|
bool ok;
|
|
|
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ok = sys_valid_io_range(offset, length);
|
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if (!ok) {
|
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return false;
|
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}
|
|
|
|
if (length == 0) {
|
|
return true;
|
|
}
|
|
|
|
last_byte_ofs = offset + length;
|
|
if (last_byte_ofs > maxfilesize) {
|
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return false;
|
|
}
|
|
|
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return true;
|
|
}
|
|
|
|
ssize_t vfs_pwrite_data(struct smb_request *req,
|
|
files_struct *fsp,
|
|
const char *buffer,
|
|
size_t N,
|
|
off_t offset)
|
|
{
|
|
size_t total=0;
|
|
ssize_t ret;
|
|
bool ok;
|
|
|
|
ok = vfs_valid_pwrite_range(offset, N);
|
|
if (!ok) {
|
|
errno = EINVAL;
|
|
return -1;
|
|
}
|
|
|
|
if (req && req->unread_bytes) {
|
|
int sockfd = req->xconn->transport.sock;
|
|
SMB_ASSERT(req->unread_bytes == N);
|
|
/* VFS_RECVFILE must drain the socket
|
|
* before returning. */
|
|
req->unread_bytes = 0;
|
|
/*
|
|
* Leave the socket non-blocking and
|
|
* use SMB_VFS_RECVFILE. If it returns
|
|
* EAGAIN || EWOULDBLOCK temporarily set
|
|
* the socket blocking and retry
|
|
* the RECVFILE.
|
|
*/
|
|
while (total < N) {
|
|
ret = SMB_VFS_RECVFILE(sockfd,
|
|
fsp,
|
|
offset + total,
|
|
N - total);
|
|
if (ret == 0 || (ret == -1 &&
|
|
(errno == EAGAIN ||
|
|
errno == EWOULDBLOCK))) {
|
|
int old_flags;
|
|
/* Ensure the socket is blocking. */
|
|
old_flags = fcntl(sockfd, F_GETFL, 0);
|
|
if (set_blocking(sockfd, true) == -1) {
|
|
return (ssize_t)-1;
|
|
}
|
|
ret = SMB_VFS_RECVFILE(sockfd,
|
|
fsp,
|
|
offset + total,
|
|
N - total);
|
|
if (fcntl(sockfd, F_SETFL, old_flags) == -1) {
|
|
return (ssize_t)-1;
|
|
}
|
|
if (ret == -1) {
|
|
return (ssize_t)-1;
|
|
}
|
|
total += ret;
|
|
return (ssize_t)total;
|
|
}
|
|
/* Any other error case. */
|
|
if (ret == -1) {
|
|
return ret;
|
|
}
|
|
total += ret;
|
|
}
|
|
return (ssize_t)total;
|
|
}
|
|
|
|
while (total < N) {
|
|
ret = SMB_VFS_PWRITE(fsp, buffer + total, N - total,
|
|
offset + total);
|
|
|
|
if (ret == -1)
|
|
return -1;
|
|
if (ret == 0)
|
|
return total;
|
|
|
|
total += ret;
|
|
}
|
|
return (ssize_t)total;
|
|
}
|
|
/****************************************************************************
|
|
An allocate file space call using the vfs interface.
|
|
Allocates space for a file from a filedescriptor.
|
|
Returns 0 on success, -1 on failure.
|
|
****************************************************************************/
|
|
|
|
int vfs_allocate_file_space(files_struct *fsp, uint64_t len)
|
|
{
|
|
int ret;
|
|
connection_struct *conn = fsp->conn;
|
|
uint64_t space_avail;
|
|
uint64_t bsize,dfree,dsize;
|
|
NTSTATUS status;
|
|
bool ok;
|
|
|
|
/*
|
|
* Actually try and commit the space on disk....
|
|
*/
|
|
|
|
DEBUG(10,("vfs_allocate_file_space: file %s, len %.0f\n",
|
|
fsp_str_dbg(fsp), (double)len));
|
|
|
|
ok = vfs_valid_pwrite_range((off_t)len, 0);
|
|
if (!ok) {
|
|
DEBUG(0,("vfs_allocate_file_space: %s negative/invalid len "
|
|
"requested.\n", fsp_str_dbg(fsp)));
|
|
errno = EINVAL;
|
|
return -1;
|
|
}
|
|
|
|
status = vfs_stat_fsp(fsp);
|
|
if (!NT_STATUS_IS_OK(status)) {
|
|
return -1;
|
|
}
|
|
|
|
if (len == (uint64_t)fsp->fsp_name->st.st_ex_size)
|
|
return 0;
|
|
|
|
if (len < (uint64_t)fsp->fsp_name->st.st_ex_size) {
|
|
/* Shrink - use ftruncate. */
|
|
|
|
DEBUG(10,("vfs_allocate_file_space: file %s, shrink. Current "
|
|
"size %.0f\n", fsp_str_dbg(fsp),
|
|
(double)fsp->fsp_name->st.st_ex_size));
|
|
|
|
contend_level2_oplocks_begin(fsp, LEVEL2_CONTEND_ALLOC_SHRINK);
|
|
|
|
ret = SMB_VFS_FTRUNCATE(fsp, (off_t)len);
|
|
|
|
contend_level2_oplocks_end(fsp, LEVEL2_CONTEND_ALLOC_SHRINK);
|
|
|
|
return ret;
|
|
}
|
|
|
|
/* Grow - we need to test if we have enough space. */
|
|
|
|
contend_level2_oplocks_begin(fsp, LEVEL2_CONTEND_ALLOC_GROW);
|
|
|
|
if (lp_strict_allocate(SNUM(fsp->conn))) {
|
|
/* See if we have a syscall that will allocate beyond
|
|
end-of-file without changing EOF. */
|
|
ret = SMB_VFS_FALLOCATE(fsp, VFS_FALLOCATE_FL_KEEP_SIZE,
|
|
0, len);
|
|
} else {
|
|
ret = 0;
|
|
}
|
|
|
|
contend_level2_oplocks_end(fsp, LEVEL2_CONTEND_ALLOC_GROW);
|
|
|
|
if (ret == 0) {
|
|
/* We changed the allocation size on disk, but not
|
|
EOF - exactly as required. We're done ! */
|
|
return 0;
|
|
}
|
|
|
|
if (ret == -1 && errno == ENOSPC) {
|
|
return -1;
|
|
}
|
|
|
|
len -= fsp->fsp_name->st.st_ex_size;
|
|
len /= 1024; /* Len is now number of 1k blocks needed. */
|
|
space_avail =
|
|
get_dfree_info(conn, fsp->fsp_name, &bsize, &dfree, &dsize);
|
|
if (space_avail == (uint64_t)-1) {
|
|
return -1;
|
|
}
|
|
|
|
DEBUG(10,("vfs_allocate_file_space: file %s, grow. Current size %.0f, "
|
|
"needed blocks = %.0f, space avail = %.0f\n",
|
|
fsp_str_dbg(fsp), (double)fsp->fsp_name->st.st_ex_size, (double)len,
|
|
(double)space_avail));
|
|
|
|
if (len > space_avail) {
|
|
errno = ENOSPC;
|
|
return -1;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
/****************************************************************************
|
|
A vfs set_filelen call.
|
|
set the length of a file from a filedescriptor.
|
|
Returns 0 on success, -1 on failure.
|
|
****************************************************************************/
|
|
|
|
int vfs_set_filelen(files_struct *fsp, off_t len)
|
|
{
|
|
int ret;
|
|
bool ok;
|
|
|
|
ok = vfs_valid_pwrite_range(len, 0);
|
|
if (!ok) {
|
|
errno = EINVAL;
|
|
return -1;
|
|
}
|
|
|
|
contend_level2_oplocks_begin(fsp, LEVEL2_CONTEND_SET_FILE_LEN);
|
|
|
|
DEBUG(10,("vfs_set_filelen: ftruncate %s to len %.0f\n",
|
|
fsp_str_dbg(fsp), (double)len));
|
|
if ((ret = SMB_VFS_FTRUNCATE(fsp, len)) != -1) {
|
|
notify_fname(fsp->conn, NOTIFY_ACTION_MODIFIED,
|
|
FILE_NOTIFY_CHANGE_SIZE
|
|
| FILE_NOTIFY_CHANGE_ATTRIBUTES,
|
|
fsp->fsp_name->base_name);
|
|
}
|
|
|
|
contend_level2_oplocks_end(fsp, LEVEL2_CONTEND_SET_FILE_LEN);
|
|
|
|
return ret;
|
|
}
|
|
|
|
/****************************************************************************
|
|
A slow version of fallocate. Fallback code if SMB_VFS_FALLOCATE
|
|
fails. Needs to be outside of the default version of SMB_VFS_FALLOCATE
|
|
as this is also called from the default SMB_VFS_FTRUNCATE code.
|
|
Always extends the file size.
|
|
Returns 0 on success, -1 on failure.
|
|
****************************************************************************/
|
|
|
|
#define SPARSE_BUF_WRITE_SIZE (32*1024)
|
|
|
|
int vfs_slow_fallocate(files_struct *fsp, off_t offset, off_t len)
|
|
{
|
|
ssize_t pwrite_ret;
|
|
size_t total = 0;
|
|
bool ok;
|
|
|
|
ok = vfs_valid_pwrite_range(offset, len);
|
|
if (!ok) {
|
|
errno = EINVAL;
|
|
return -1;
|
|
}
|
|
|
|
if (!sparse_buf) {
|
|
sparse_buf = SMB_CALLOC_ARRAY(char, SPARSE_BUF_WRITE_SIZE);
|
|
if (!sparse_buf) {
|
|
errno = ENOMEM;
|
|
return -1;
|
|
}
|
|
}
|
|
|
|
while (total < len) {
|
|
size_t curr_write_size = MIN(SPARSE_BUF_WRITE_SIZE, (len - total));
|
|
|
|
pwrite_ret = SMB_VFS_PWRITE(fsp, sparse_buf, curr_write_size, offset + total);
|
|
if (pwrite_ret == -1) {
|
|
int saved_errno = errno;
|
|
DEBUG(10,("vfs_slow_fallocate: SMB_VFS_PWRITE for file "
|
|
"%s failed with error %s\n",
|
|
fsp_str_dbg(fsp), strerror(saved_errno)));
|
|
errno = saved_errno;
|
|
return -1;
|
|
}
|
|
total += pwrite_ret;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
/****************************************************************************
|
|
A vfs fill sparse call.
|
|
Writes zeros from the end of file to len, if len is greater than EOF.
|
|
Used only by strict_sync.
|
|
Returns 0 on success, -1 on failure.
|
|
****************************************************************************/
|
|
|
|
int vfs_fill_sparse(files_struct *fsp, off_t len)
|
|
{
|
|
int ret;
|
|
NTSTATUS status;
|
|
off_t offset;
|
|
size_t num_to_write;
|
|
bool ok;
|
|
|
|
ok = vfs_valid_pwrite_range(len, 0);
|
|
if (!ok) {
|
|
errno = EINVAL;
|
|
return -1;
|
|
}
|
|
|
|
status = vfs_stat_fsp(fsp);
|
|
if (!NT_STATUS_IS_OK(status)) {
|
|
return -1;
|
|
}
|
|
|
|
if (len <= fsp->fsp_name->st.st_ex_size) {
|
|
return 0;
|
|
}
|
|
|
|
#ifdef S_ISFIFO
|
|
if (S_ISFIFO(fsp->fsp_name->st.st_ex_mode)) {
|
|
return 0;
|
|
}
|
|
#endif
|
|
|
|
DEBUG(10,("vfs_fill_sparse: write zeros in file %s from len %.0f to "
|
|
"len %.0f (%.0f bytes)\n", fsp_str_dbg(fsp),
|
|
(double)fsp->fsp_name->st.st_ex_size, (double)len,
|
|
(double)(len - fsp->fsp_name->st.st_ex_size)));
|
|
|
|
contend_level2_oplocks_begin(fsp, LEVEL2_CONTEND_FILL_SPARSE);
|
|
|
|
offset = fsp->fsp_name->st.st_ex_size;
|
|
num_to_write = len - fsp->fsp_name->st.st_ex_size;
|
|
|
|
/* Only do this on non-stream file handles. */
|
|
if (!fsp_is_alternate_stream(fsp)) {
|
|
/* for allocation try fallocate first. This can fail on some
|
|
* platforms e.g. when the filesystem doesn't support it and no
|
|
* emulation is being done by the libc (like on AIX with JFS1). In that
|
|
* case we do our own emulation. fallocate implementations can
|
|
* return ENOTSUP or EINVAL in cases like that. */
|
|
ret = SMB_VFS_FALLOCATE(fsp, 0, offset, num_to_write);
|
|
if (ret == -1 && errno == ENOSPC) {
|
|
goto out;
|
|
}
|
|
if (ret == 0) {
|
|
goto out;
|
|
}
|
|
DEBUG(10,("vfs_fill_sparse: SMB_VFS_FALLOCATE failed with "
|
|
"error %d. Falling back to slow manual allocation\n", ret));
|
|
}
|
|
|
|
ret = vfs_slow_fallocate(fsp, offset, num_to_write);
|
|
|
|
out:
|
|
|
|
contend_level2_oplocks_end(fsp, LEVEL2_CONTEND_FILL_SPARSE);
|
|
return ret;
|
|
}
|
|
|
|
/*******************************************************************************
|
|
Set a fd into blocking/nonblocking mode through VFS
|
|
*******************************************************************************/
|
|
|
|
int vfs_set_blocking(files_struct *fsp, bool set)
|
|
{
|
|
int val;
|
|
#ifdef O_NONBLOCK
|
|
#define FLAG_TO_SET O_NONBLOCK
|
|
#else
|
|
#ifdef SYSV
|
|
#define FLAG_TO_SET O_NDELAY
|
|
#else /* BSD */
|
|
#define FLAG_TO_SET FNDELAY
|
|
#endif
|
|
#endif
|
|
|
|
if (fsp->fsp_flags.is_pathref) {
|
|
return 0;
|
|
}
|
|
|
|
val = SMB_VFS_FCNTL(fsp, F_GETFL, 0);
|
|
if (val == -1) {
|
|
return -1;
|
|
}
|
|
|
|
if (set) {
|
|
val &= ~FLAG_TO_SET;
|
|
} else {
|
|
val |= FLAG_TO_SET;
|
|
}
|
|
|
|
return SMB_VFS_FCNTL(fsp, F_SETFL, val);
|
|
#undef FLAG_TO_SET
|
|
}
|
|
|
|
/****************************************************************************
|
|
Transfer some data (n bytes) between two file_struct's.
|
|
****************************************************************************/
|
|
|
|
static ssize_t vfs_pread_fn(void *file, void *buf, size_t len, off_t offset)
|
|
{
|
|
struct files_struct *fsp = (struct files_struct *)file;
|
|
|
|
return SMB_VFS_PREAD(fsp, buf, len, offset);
|
|
}
|
|
|
|
static ssize_t vfs_pwrite_fn(void *file, const void *buf, size_t len, off_t offset)
|
|
{
|
|
struct files_struct *fsp = (struct files_struct *)file;
|
|
|
|
return SMB_VFS_PWRITE(fsp, buf, len, offset);
|
|
}
|
|
|
|
off_t vfs_transfer_file(files_struct *in, files_struct *out, off_t n)
|
|
{
|
|
return transfer_file_internal((void *)in, (void *)out, n,
|
|
vfs_pread_fn, vfs_pwrite_fn);
|
|
}
|
|
|
|
/*******************************************************************
|
|
A vfs_readdir wrapper which just returns the file name.
|
|
********************************************************************/
|
|
|
|
const char *vfs_readdirname(connection_struct *conn,
|
|
struct files_struct *dirfsp,
|
|
void *p,
|
|
char **talloced)
|
|
{
|
|
struct dirent *ptr= NULL;
|
|
const char *dname;
|
|
char *translated;
|
|
NTSTATUS status;
|
|
|
|
if (!p)
|
|
return(NULL);
|
|
|
|
ptr = SMB_VFS_READDIR(conn, dirfsp, (DIR *)p);
|
|
if (!ptr)
|
|
return(NULL);
|
|
|
|
dname = ptr->d_name;
|
|
|
|
status = SMB_VFS_TRANSLATE_NAME(conn, dname, vfs_translate_to_windows,
|
|
talloc_tos(), &translated);
|
|
if (NT_STATUS_EQUAL(status, NT_STATUS_NONE_MAPPED)) {
|
|
*talloced = NULL;
|
|
return dname;
|
|
}
|
|
*talloced = translated;
|
|
if (!NT_STATUS_IS_OK(status)) {
|
|
return NULL;
|
|
}
|
|
return translated;
|
|
}
|
|
|
|
/*******************************************************************
|
|
A wrapper for vfs_chdir().
|
|
********************************************************************/
|
|
|
|
int vfs_ChDir(connection_struct *conn, const struct smb_filename *smb_fname)
|
|
{
|
|
int ret;
|
|
struct smb_filename *cwd = NULL;
|
|
|
|
if (!LastDir) {
|
|
LastDir = SMB_STRDUP("");
|
|
}
|
|
|
|
if (ISDOT(smb_fname->base_name)) {
|
|
/*
|
|
* passing a '.' is a noop,
|
|
* and we only expect this after
|
|
* everything is initialized.
|
|
*
|
|
* So the first vfs_ChDir() on a given
|
|
* connection_struct must not be '.'.
|
|
*
|
|
* Note: conn_new() sets
|
|
* conn->cwd_fsp->fh->fd = -1
|
|
* and vfs_ChDir() leaves with
|
|
* conn->cwd_fsp->fh->fd = AT_FDCWD
|
|
* on success!
|
|
*/
|
|
if (fsp_get_pathref_fd(conn->cwd_fsp) != AT_FDCWD) {
|
|
/*
|
|
* This should never happen and
|
|
* we might change this to
|
|
* SMB_ASSERT() in future.
|
|
*/
|
|
DBG_ERR("Called with '.' as first operation!\n");
|
|
log_stack_trace();
|
|
errno = EINVAL;
|
|
return -1;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
if (smb_fname->base_name[0] == '/' &&
|
|
strcsequal(LastDir,smb_fname->base_name))
|
|
{
|
|
/*
|
|
* conn->cwd_fsp->fsp_name and the kernel
|
|
* are already correct, but conn->cwd_fsp->fh->fd
|
|
* might still be -1 as initialized in conn_new().
|
|
*
|
|
* This can happen when a client made a 2nd
|
|
* tree connect to a share with the same underlying
|
|
* path (may or may not the same share).
|
|
*/
|
|
fsp_set_fd(conn->cwd_fsp, AT_FDCWD);
|
|
return 0;
|
|
}
|
|
|
|
DEBUG(4,("vfs_ChDir to %s\n", smb_fname->base_name));
|
|
|
|
ret = SMB_VFS_CHDIR(conn, smb_fname);
|
|
if (ret != 0) {
|
|
return -1;
|
|
}
|
|
|
|
/*
|
|
* Always replace conn->cwd_fsp. We
|
|
* don't know if it's been modified by
|
|
* VFS modules in the stack.
|
|
*/
|
|
fsp_set_fd(conn->cwd_fsp, AT_FDCWD);
|
|
|
|
/* conn cache. */
|
|
cwd = vfs_GetWd(conn, conn);
|
|
if (cwd == NULL) {
|
|
/*
|
|
* vfs_GetWd() failed.
|
|
* We must be able to read cwd.
|
|
* Return to original directory
|
|
* and return -1.
|
|
*/
|
|
int saved_errno = errno;
|
|
|
|
if (conn->cwd_fsp->fsp_name == NULL) {
|
|
/*
|
|
* Failed on the very first chdir()+getwd()
|
|
* for this connection. We can't
|
|
* continue.
|
|
*/
|
|
smb_panic("conn->cwd getwd failed\n");
|
|
/* NOTREACHED */
|
|
return -1;
|
|
}
|
|
|
|
/* Return to the previous $cwd. */
|
|
ret = SMB_VFS_CHDIR(conn, conn->cwd_fsp->fsp_name);
|
|
if (ret != 0) {
|
|
smb_panic("conn->cwd getwd failed\n");
|
|
/* NOTREACHED */
|
|
return -1;
|
|
}
|
|
errno = saved_errno;
|
|
/* And fail the chdir(). */
|
|
return -1;
|
|
}
|
|
|
|
/* vfs_GetWd() succeeded. */
|
|
/* Replace global cache. */
|
|
SAFE_FREE(LastDir);
|
|
LastDir = SMB_STRDUP(smb_fname->base_name);
|
|
|
|
/*
|
|
* (Indirect) Callers of vfs_ChDir() may still hold references to the
|
|
* old conn->cwd_fsp->fsp_name. Move it to talloc_tos(), that way
|
|
* callers can use it for the lifetime of the SMB request.
|
|
*/
|
|
talloc_move(talloc_tos(), &conn->cwd_fsp->fsp_name);
|
|
|
|
conn->cwd_fsp->fsp_name = talloc_move(conn->cwd_fsp, &cwd);
|
|
|
|
DBG_INFO("vfs_ChDir got %s\n", fsp_str_dbg(conn->cwd_fsp));
|
|
|
|
return ret;
|
|
}
|
|
|
|
/*******************************************************************
|
|
Return the absolute current directory path - given a UNIX pathname.
|
|
Note that this path is returned in DOS format, not UNIX
|
|
format. Note this can be called with conn == NULL.
|
|
********************************************************************/
|
|
|
|
struct smb_filename *vfs_GetWd(TALLOC_CTX *ctx, connection_struct *conn)
|
|
{
|
|
struct smb_filename *current_dir_fname = NULL;
|
|
struct file_id key;
|
|
struct smb_filename *smb_fname_dot = NULL;
|
|
struct smb_filename *smb_fname_full = NULL;
|
|
struct smb_filename *result = NULL;
|
|
|
|
if (!lp_getwd_cache()) {
|
|
goto nocache;
|
|
}
|
|
|
|
smb_fname_dot = synthetic_smb_fname(ctx,
|
|
".",
|
|
NULL,
|
|
NULL,
|
|
0,
|
|
0);
|
|
if (smb_fname_dot == NULL) {
|
|
errno = ENOMEM;
|
|
goto out;
|
|
}
|
|
|
|
if (SMB_VFS_STAT(conn, smb_fname_dot) == -1) {
|
|
/*
|
|
* Known to fail for root: the directory may be NFS-mounted
|
|
* and exported with root_squash (so has no root access).
|
|
*/
|
|
DEBUG(1,("vfs_GetWd: couldn't stat \".\" error %s "
|
|
"(NFS problem ?)\n", strerror(errno) ));
|
|
goto nocache;
|
|
}
|
|
|
|
key = vfs_file_id_from_sbuf(conn, &smb_fname_dot->st);
|
|
|
|
smb_fname_full = (struct smb_filename *)memcache_lookup_talloc(
|
|
smbd_memcache(),
|
|
GETWD_CACHE,
|
|
data_blob_const(&key, sizeof(key)));
|
|
|
|
if (smb_fname_full == NULL) {
|
|
goto nocache;
|
|
}
|
|
|
|
if ((SMB_VFS_STAT(conn, smb_fname_full) == 0) &&
|
|
(smb_fname_dot->st.st_ex_dev == smb_fname_full->st.st_ex_dev) &&
|
|
(smb_fname_dot->st.st_ex_ino == smb_fname_full->st.st_ex_ino) &&
|
|
(S_ISDIR(smb_fname_dot->st.st_ex_mode))) {
|
|
/*
|
|
* Ok, we're done
|
|
* Note: smb_fname_full is owned by smbd_memcache()
|
|
* so we must make a copy to return.
|
|
*/
|
|
result = cp_smb_filename(ctx, smb_fname_full);
|
|
if (result == NULL) {
|
|
errno = ENOMEM;
|
|
}
|
|
goto out;
|
|
}
|
|
|
|
nocache:
|
|
|
|
/*
|
|
* We don't have the information to hand so rely on traditional
|
|
* methods. The very slow getcwd, which spawns a process on some
|
|
* systems, or the not quite so bad getwd.
|
|
*/
|
|
|
|
current_dir_fname = SMB_VFS_GETWD(conn, ctx);
|
|
if (current_dir_fname == NULL) {
|
|
DEBUG(0, ("vfs_GetWd: SMB_VFS_GETWD call failed: %s\n",
|
|
strerror(errno)));
|
|
goto out;
|
|
}
|
|
|
|
if (lp_getwd_cache() && VALID_STAT(smb_fname_dot->st)) {
|
|
key = vfs_file_id_from_sbuf(conn, &smb_fname_dot->st);
|
|
|
|
/*
|
|
* smbd_memcache() will own current_dir_fname after the
|
|
* memcache_add_talloc call, so we must make
|
|
* a copy on ctx to return.
|
|
*/
|
|
result = cp_smb_filename(ctx, current_dir_fname);
|
|
if (result == NULL) {
|
|
errno = ENOMEM;
|
|
}
|
|
|
|
/*
|
|
* Ensure the memory going into the cache
|
|
* doesn't have a destructor so it can be
|
|
* cleanly freed.
|
|
*/
|
|
talloc_set_destructor(current_dir_fname, NULL);
|
|
|
|
memcache_add_talloc(smbd_memcache(),
|
|
GETWD_CACHE,
|
|
data_blob_const(&key, sizeof(key)),
|
|
¤t_dir_fname);
|
|
/* current_dir_fname is now == NULL here. */
|
|
} else {
|
|
/* current_dir_fname is already allocated on ctx. */
|
|
result = current_dir_fname;
|
|
}
|
|
|
|
out:
|
|
TALLOC_FREE(smb_fname_dot);
|
|
/*
|
|
* Don't free current_dir_fname here. It's either been moved
|
|
* to the memcache or is being returned in result.
|
|
*/
|
|
return result;
|
|
}
|
|
|
|
/*
|
|
* Ensure LSTAT is called for POSIX paths.
|
|
*/
|
|
int vfs_stat(struct connection_struct *conn,
|
|
struct smb_filename *smb_fname)
|
|
{
|
|
if (smb_fname->flags & SMB_FILENAME_POSIX_PATH) {
|
|
return SMB_VFS_LSTAT(conn, smb_fname);
|
|
}
|
|
return SMB_VFS_STAT(conn, smb_fname);
|
|
}
|
|
|
|
/**
|
|
* XXX: This is temporary and there should be no callers of this once
|
|
* smb_filename is plumbed through all path based operations.
|
|
*
|
|
* Called when we know stream name parsing has already been done.
|
|
*/
|
|
int vfs_stat_smb_basename(struct connection_struct *conn,
|
|
const struct smb_filename *smb_fname_in,
|
|
SMB_STRUCT_STAT *psbuf)
|
|
{
|
|
struct smb_filename smb_fname = {
|
|
.base_name = discard_const_p(char, smb_fname_in->base_name),
|
|
.flags = smb_fname_in->flags,
|
|
.twrp = smb_fname_in->twrp,
|
|
};
|
|
int ret;
|
|
|
|
ret = vfs_stat(conn, &smb_fname);
|
|
if (ret != -1) {
|
|
*psbuf = smb_fname.st;
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
/**
|
|
* Ensure LSTAT is called for POSIX paths.
|
|
*/
|
|
|
|
NTSTATUS vfs_stat_fsp(files_struct *fsp)
|
|
{
|
|
int ret;
|
|
struct stat_ex saved_stat = fsp->fsp_name->st;
|
|
|
|
if (fsp_get_pathref_fd(fsp) == -1) {
|
|
if (fsp->posix_flags & FSP_POSIX_FLAGS_OPEN) {
|
|
ret = SMB_VFS_LSTAT(fsp->conn, fsp->fsp_name);
|
|
} else {
|
|
ret = SMB_VFS_STAT(fsp->conn, fsp->fsp_name);
|
|
}
|
|
} else {
|
|
ret = SMB_VFS_FSTAT(fsp, &fsp->fsp_name->st);
|
|
}
|
|
if (ret == -1) {
|
|
return map_nt_error_from_unix(errno);
|
|
}
|
|
update_stat_ex_from_saved_stat(&fsp->fsp_name->st, &saved_stat);
|
|
fsp->fsp_flags.is_directory = S_ISDIR(fsp->fsp_name->st.st_ex_mode);
|
|
return NT_STATUS_OK;
|
|
}
|
|
|
|
void init_smb_file_time(struct smb_file_time *ft)
|
|
{
|
|
*ft = (struct smb_file_time) {
|
|
.atime = make_omit_timespec(),
|
|
.ctime = make_omit_timespec(),
|
|
.mtime = make_omit_timespec(),
|
|
.create_time = make_omit_timespec()
|
|
};
|
|
}
|
|
|
|
/**
|
|
* Initialize num_streams and streams, then call VFS op streaminfo
|
|
*/
|
|
|
|
NTSTATUS vfs_fstreaminfo(struct files_struct *fsp,
|
|
TALLOC_CTX *mem_ctx,
|
|
unsigned int *num_streams,
|
|
struct stream_struct **streams)
|
|
{
|
|
*num_streams = 0;
|
|
*streams = NULL;
|
|
|
|
if (fsp == NULL) {
|
|
/*
|
|
* Callers may pass fsp == NULL when passing smb_fname->fsp of a
|
|
* symlink. This is ok, handle it here, by just return no
|
|
* streams on a symlink.
|
|
*/
|
|
return NT_STATUS_OK;
|
|
}
|
|
|
|
if (fsp_get_pathref_fd(fsp) == -1) {
|
|
/*
|
|
* No streams on non-real files/directories.
|
|
*/
|
|
return NT_STATUS_OK;
|
|
}
|
|
|
|
return SMB_VFS_FSTREAMINFO(fsp,
|
|
mem_ctx,
|
|
num_streams,
|
|
streams);
|
|
}
|
|
|
|
int vfs_fake_fd(void)
|
|
{
|
|
int pipe_fds[2];
|
|
int ret;
|
|
|
|
/*
|
|
* Return a valid fd, but ensure any attempt to use
|
|
* it returns an error (EPIPE).
|
|
*/
|
|
ret = pipe(pipe_fds);
|
|
if (ret != 0) {
|
|
return -1;
|
|
}
|
|
|
|
close(pipe_fds[1]);
|
|
return pipe_fds[0];
|
|
}
|
|
|
|
/*
|
|
* This is just a helper to make
|
|
* users of vfs_fake_fd() more symmetric
|
|
*/
|
|
int vfs_fake_fd_close(int fd)
|
|
{
|
|
return close(fd);
|
|
}
|
|
|
|
/*
|
|
generate a file_id from a stat structure
|
|
*/
|
|
struct file_id vfs_file_id_from_sbuf(connection_struct *conn, const SMB_STRUCT_STAT *sbuf)
|
|
{
|
|
return SMB_VFS_FILE_ID_CREATE(conn, sbuf);
|
|
}
|
|
|
|
NTSTATUS vfs_at_fspcwd(TALLOC_CTX *mem_ctx,
|
|
struct connection_struct *conn,
|
|
struct files_struct **_fsp)
|
|
{
|
|
struct files_struct *fsp = NULL;
|
|
|
|
fsp = talloc_zero(mem_ctx, struct files_struct);
|
|
if (fsp == NULL) {
|
|
return NT_STATUS_NO_MEMORY;
|
|
}
|
|
|
|
fsp->fsp_name = synthetic_smb_fname(fsp, ".", NULL, NULL, 0, 0);
|
|
if (fsp->fsp_name == NULL) {
|
|
TALLOC_FREE(fsp);
|
|
return NT_STATUS_NO_MEMORY;
|
|
}
|
|
|
|
fsp->fh = fd_handle_create(fsp);
|
|
if (fsp->fh == NULL) {
|
|
TALLOC_FREE(fsp);
|
|
return NT_STATUS_NO_MEMORY;
|
|
}
|
|
|
|
fsp_set_fd(fsp, AT_FDCWD);
|
|
fsp->fnum = FNUM_FIELD_INVALID;
|
|
fsp->conn = conn;
|
|
|
|
*_fsp = fsp;
|
|
return NT_STATUS_OK;
|
|
}
|
|
|
|
NTSTATUS vfs_fget_dos_attributes(struct files_struct *fsp,
|
|
uint32_t *dosmode)
|
|
{
|
|
NTSTATUS status;
|
|
|
|
/*
|
|
* First make sure to pass the base_fsp to the VFS
|
|
*/
|
|
status = SMB_VFS_FGET_DOS_ATTRIBUTES(
|
|
fsp->conn, metadata_fsp(fsp), dosmode);
|
|
if (!NT_STATUS_IS_OK(status)) {
|
|
return status;
|
|
}
|
|
|
|
/*
|
|
* If this isn't a stream fsp we're done, ...
|
|
*/
|
|
if (!fsp_is_alternate_stream(fsp)) {
|
|
return NT_STATUS_OK;
|
|
}
|
|
|
|
/*
|
|
* ...otherwise the VFS might have updated the btime, propagate the
|
|
* btime from the base_fsp to the stream fsp.
|
|
*/
|
|
|
|
if (fsp->base_fsp->fsp_name->st.st_ex_iflags & ST_EX_IFLAG_CALCULATED_BTIME) {
|
|
/*
|
|
* Not a value from backend storage, ignore it
|
|
*/
|
|
return NT_STATUS_OK;
|
|
}
|
|
|
|
update_stat_ex_create_time(&fsp->fsp_name->st,
|
|
fsp->base_fsp->fsp_name->st.st_ex_btime);
|
|
|
|
return NT_STATUS_OK;
|
|
}
|
|
|
|
static struct smb_vfs_deny_state *smb_vfs_deny_global;
|
|
|
|
void smb_vfs_assert_allowed(void)
|
|
{
|
|
if (unlikely(smb_vfs_deny_global != NULL)) {
|
|
DBG_ERR("Called with VFS denied by %s\n",
|
|
smb_vfs_deny_global->location);
|
|
smb_panic("Called with VFS denied!");
|
|
}
|
|
}
|
|
|
|
void _smb_vfs_deny_push(struct smb_vfs_deny_state *state, const char *location)
|
|
{
|
|
SMB_ASSERT(smb_vfs_deny_global != state);
|
|
|
|
*state = (struct smb_vfs_deny_state) {
|
|
.parent = smb_vfs_deny_global,
|
|
.location = location,
|
|
};
|
|
|
|
smb_vfs_deny_global = state;
|
|
}
|
|
|
|
void _smb_vfs_deny_pop(struct smb_vfs_deny_state *state, const char *location)
|
|
{
|
|
SMB_ASSERT(smb_vfs_deny_global == state);
|
|
|
|
smb_vfs_deny_global = state->parent;
|
|
|
|
*state = (struct smb_vfs_deny_state) { .parent = NULL, };
|
|
}
|
|
|
|
#define VFS_FIND(__fn__) do { \
|
|
if (unlikely(smb_vfs_deny_global != NULL)) { \
|
|
DBG_ERR("Called with VFS denied by %s\n", \
|
|
smb_vfs_deny_global->location); \
|
|
smb_panic("Called with VFS denied!"); \
|
|
} \
|
|
while (handle->fns->__fn__##_fn==NULL) { \
|
|
handle = handle->next; \
|
|
} \
|
|
} while(0)
|
|
|
|
int smb_vfs_call_connect(struct vfs_handle_struct *handle,
|
|
const char *service, const char *user)
|
|
{
|
|
VFS_FIND(connect);
|
|
return handle->fns->connect_fn(handle, service, user);
|
|
}
|
|
|
|
void smb_vfs_call_disconnect(struct vfs_handle_struct *handle)
|
|
{
|
|
VFS_FIND(disconnect);
|
|
handle->fns->disconnect_fn(handle);
|
|
}
|
|
|
|
uint64_t smb_vfs_call_disk_free(struct vfs_handle_struct *handle,
|
|
const struct smb_filename *smb_fname,
|
|
uint64_t *bsize,
|
|
uint64_t *dfree,
|
|
uint64_t *dsize)
|
|
{
|
|
VFS_FIND(disk_free);
|
|
return handle->fns->disk_free_fn(handle, smb_fname,
|
|
bsize, dfree, dsize);
|
|
}
|
|
|
|
int smb_vfs_call_get_quota(struct vfs_handle_struct *handle,
|
|
const struct smb_filename *smb_fname,
|
|
enum SMB_QUOTA_TYPE qtype,
|
|
unid_t id,
|
|
SMB_DISK_QUOTA *qt)
|
|
{
|
|
VFS_FIND(get_quota);
|
|
return handle->fns->get_quota_fn(handle, smb_fname, qtype, id, qt);
|
|
}
|
|
|
|
int smb_vfs_call_set_quota(struct vfs_handle_struct *handle,
|
|
enum SMB_QUOTA_TYPE qtype, unid_t id,
|
|
SMB_DISK_QUOTA *qt)
|
|
{
|
|
VFS_FIND(set_quota);
|
|
return handle->fns->set_quota_fn(handle, qtype, id, qt);
|
|
}
|
|
|
|
int smb_vfs_call_get_shadow_copy_data(struct vfs_handle_struct *handle,
|
|
struct files_struct *fsp,
|
|
struct shadow_copy_data *shadow_copy_data,
|
|
bool labels)
|
|
{
|
|
VFS_FIND(get_shadow_copy_data);
|
|
return handle->fns->get_shadow_copy_data_fn(handle, fsp,
|
|
shadow_copy_data,
|
|
labels);
|
|
}
|
|
int smb_vfs_call_statvfs(struct vfs_handle_struct *handle,
|
|
const struct smb_filename *smb_fname,
|
|
struct vfs_statvfs_struct *statbuf)
|
|
{
|
|
VFS_FIND(statvfs);
|
|
return handle->fns->statvfs_fn(handle, smb_fname, statbuf);
|
|
}
|
|
|
|
uint32_t smb_vfs_call_fs_capabilities(struct vfs_handle_struct *handle,
|
|
enum timestamp_set_resolution *p_ts_res)
|
|
{
|
|
VFS_FIND(fs_capabilities);
|
|
return handle->fns->fs_capabilities_fn(handle, p_ts_res);
|
|
}
|
|
|
|
NTSTATUS smb_vfs_call_get_dfs_referrals(struct vfs_handle_struct *handle,
|
|
struct dfs_GetDFSReferral *r)
|
|
{
|
|
VFS_FIND(get_dfs_referrals);
|
|
return handle->fns->get_dfs_referrals_fn(handle, r);
|
|
}
|
|
|
|
NTSTATUS smb_vfs_call_create_dfs_pathat(struct vfs_handle_struct *handle,
|
|
struct files_struct *dirfsp,
|
|
const struct smb_filename *smb_fname,
|
|
const struct referral *reflist,
|
|
size_t referral_count)
|
|
{
|
|
VFS_FIND(create_dfs_pathat);
|
|
return handle->fns->create_dfs_pathat_fn(handle,
|
|
dirfsp,
|
|
smb_fname,
|
|
reflist,
|
|
referral_count);
|
|
}
|
|
|
|
NTSTATUS smb_vfs_call_read_dfs_pathat(struct vfs_handle_struct *handle,
|
|
TALLOC_CTX *mem_ctx,
|
|
struct files_struct *dirfsp,
|
|
struct smb_filename *smb_fname,
|
|
struct referral **ppreflist,
|
|
size_t *preferral_count)
|
|
{
|
|
VFS_FIND(read_dfs_pathat);
|
|
return handle->fns->read_dfs_pathat_fn(handle,
|
|
mem_ctx,
|
|
dirfsp,
|
|
smb_fname,
|
|
ppreflist,
|
|
preferral_count);
|
|
}
|
|
|
|
DIR *smb_vfs_call_fdopendir(struct vfs_handle_struct *handle,
|
|
struct files_struct *fsp,
|
|
const char *mask,
|
|
uint32_t attributes)
|
|
{
|
|
VFS_FIND(fdopendir);
|
|
return handle->fns->fdopendir_fn(handle, fsp, mask, attributes);
|
|
}
|
|
|
|
struct dirent *smb_vfs_call_readdir(struct vfs_handle_struct *handle,
|
|
struct files_struct *dirfsp,
|
|
DIR *dirp)
|
|
{
|
|
VFS_FIND(readdir);
|
|
return handle->fns->readdir_fn(handle, dirfsp, dirp);
|
|
}
|
|
|
|
void smb_vfs_call_rewind_dir(struct vfs_handle_struct *handle,
|
|
DIR *dirp)
|
|
{
|
|
VFS_FIND(rewind_dir);
|
|
handle->fns->rewind_dir_fn(handle, dirp);
|
|
}
|
|
|
|
int smb_vfs_call_mkdirat(struct vfs_handle_struct *handle,
|
|
struct files_struct *dirfsp,
|
|
const struct smb_filename *smb_fname,
|
|
mode_t mode)
|
|
{
|
|
VFS_FIND(mkdirat);
|
|
return handle->fns->mkdirat_fn(handle,
|
|
dirfsp,
|
|
smb_fname,
|
|
mode);
|
|
}
|
|
|
|
int smb_vfs_call_closedir(struct vfs_handle_struct *handle,
|
|
DIR *dir)
|
|
{
|
|
VFS_FIND(closedir);
|
|
return handle->fns->closedir_fn(handle, dir);
|
|
}
|
|
|
|
int smb_vfs_call_openat(struct vfs_handle_struct *handle,
|
|
const struct files_struct *dirfsp,
|
|
const struct smb_filename *smb_fname,
|
|
struct files_struct *fsp,
|
|
const struct vfs_open_how *how)
|
|
{
|
|
VFS_FIND(openat);
|
|
return handle->fns->openat_fn(handle,
|
|
dirfsp,
|
|
smb_fname,
|
|
fsp,
|
|
how);
|
|
}
|
|
|
|
NTSTATUS smb_vfs_call_create_file(struct vfs_handle_struct *handle,
|
|
struct smb_request *req,
|
|
struct files_struct *dirfsp,
|
|
struct smb_filename *smb_fname,
|
|
uint32_t access_mask,
|
|
uint32_t share_access,
|
|
uint32_t create_disposition,
|
|
uint32_t create_options,
|
|
uint32_t file_attributes,
|
|
uint32_t oplock_request,
|
|
const struct smb2_lease *lease,
|
|
uint64_t allocation_size,
|
|
uint32_t private_flags,
|
|
struct security_descriptor *sd,
|
|
struct ea_list *ea_list,
|
|
files_struct **result,
|
|
int *pinfo,
|
|
const struct smb2_create_blobs *in_context_blobs,
|
|
struct smb2_create_blobs *out_context_blobs)
|
|
{
|
|
VFS_FIND(create_file);
|
|
return handle->fns->create_file_fn(
|
|
handle, req, dirfsp, smb_fname,
|
|
access_mask, share_access, create_disposition, create_options,
|
|
file_attributes, oplock_request, lease, allocation_size,
|
|
private_flags, sd, ea_list,
|
|
result, pinfo, in_context_blobs, out_context_blobs);
|
|
}
|
|
|
|
int smb_vfs_call_close(struct vfs_handle_struct *handle,
|
|
struct files_struct *fsp)
|
|
{
|
|
VFS_FIND(close);
|
|
return handle->fns->close_fn(handle, fsp);
|
|
}
|
|
|
|
ssize_t smb_vfs_call_pread(struct vfs_handle_struct *handle,
|
|
struct files_struct *fsp, void *data, size_t n,
|
|
off_t offset)
|
|
{
|
|
VFS_FIND(pread);
|
|
return handle->fns->pread_fn(handle, fsp, data, n, offset);
|
|
}
|
|
|
|
struct smb_vfs_call_pread_state {
|
|
ssize_t (*recv_fn)(struct tevent_req *req, struct vfs_aio_state *vfs_aio_state);
|
|
ssize_t retval;
|
|
struct vfs_aio_state vfs_aio_state;
|
|
};
|
|
|
|
static void smb_vfs_call_pread_done(struct tevent_req *subreq);
|
|
|
|
struct tevent_req *smb_vfs_call_pread_send(struct vfs_handle_struct *handle,
|
|
TALLOC_CTX *mem_ctx,
|
|
struct tevent_context *ev,
|
|
struct files_struct *fsp,
|
|
void *data,
|
|
size_t n, off_t offset)
|
|
{
|
|
struct tevent_req *req, *subreq;
|
|
struct smb_vfs_call_pread_state *state;
|
|
|
|
req = tevent_req_create(mem_ctx, &state,
|
|
struct smb_vfs_call_pread_state);
|
|
if (req == NULL) {
|
|
return NULL;
|
|
}
|
|
VFS_FIND(pread_send);
|
|
state->recv_fn = handle->fns->pread_recv_fn;
|
|
|
|
subreq = handle->fns->pread_send_fn(handle, state, ev, fsp, data, n,
|
|
offset);
|
|
if (tevent_req_nomem(subreq, req)) {
|
|
return tevent_req_post(req, ev);
|
|
}
|
|
tevent_req_set_callback(subreq, smb_vfs_call_pread_done, req);
|
|
return req;
|
|
}
|
|
|
|
static void smb_vfs_call_pread_done(struct tevent_req *subreq)
|
|
{
|
|
struct tevent_req *req = tevent_req_callback_data(
|
|
subreq, struct tevent_req);
|
|
struct smb_vfs_call_pread_state *state = tevent_req_data(
|
|
req, struct smb_vfs_call_pread_state);
|
|
|
|
state->retval = state->recv_fn(subreq, &state->vfs_aio_state);
|
|
TALLOC_FREE(subreq);
|
|
if (state->retval == -1) {
|
|
tevent_req_error(req, state->vfs_aio_state.error);
|
|
return;
|
|
}
|
|
tevent_req_done(req);
|
|
}
|
|
|
|
ssize_t SMB_VFS_PREAD_RECV(struct tevent_req *req,
|
|
struct vfs_aio_state *vfs_aio_state)
|
|
{
|
|
struct smb_vfs_call_pread_state *state = tevent_req_data(
|
|
req, struct smb_vfs_call_pread_state);
|
|
ssize_t retval;
|
|
|
|
if (tevent_req_is_unix_error(req, &vfs_aio_state->error)) {
|
|
tevent_req_received(req);
|
|
return -1;
|
|
}
|
|
*vfs_aio_state = state->vfs_aio_state;
|
|
retval = state->retval;
|
|
tevent_req_received(req);
|
|
return retval;
|
|
}
|
|
|
|
ssize_t smb_vfs_call_pwrite(struct vfs_handle_struct *handle,
|
|
struct files_struct *fsp, const void *data,
|
|
size_t n, off_t offset)
|
|
{
|
|
VFS_FIND(pwrite);
|
|
return handle->fns->pwrite_fn(handle, fsp, data, n, offset);
|
|
}
|
|
|
|
struct smb_vfs_call_pwrite_state {
|
|
ssize_t (*recv_fn)(struct tevent_req *req, struct vfs_aio_state *vfs_aio_state);
|
|
ssize_t retval;
|
|
struct vfs_aio_state vfs_aio_state;
|
|
};
|
|
|
|
static void smb_vfs_call_pwrite_done(struct tevent_req *subreq);
|
|
|
|
struct tevent_req *smb_vfs_call_pwrite_send(struct vfs_handle_struct *handle,
|
|
TALLOC_CTX *mem_ctx,
|
|
struct tevent_context *ev,
|
|
struct files_struct *fsp,
|
|
const void *data,
|
|
size_t n, off_t offset)
|
|
{
|
|
struct tevent_req *req, *subreq;
|
|
struct smb_vfs_call_pwrite_state *state;
|
|
|
|
req = tevent_req_create(mem_ctx, &state,
|
|
struct smb_vfs_call_pwrite_state);
|
|
if (req == NULL) {
|
|
return NULL;
|
|
}
|
|
VFS_FIND(pwrite_send);
|
|
state->recv_fn = handle->fns->pwrite_recv_fn;
|
|
|
|
subreq = handle->fns->pwrite_send_fn(handle, state, ev, fsp, data, n,
|
|
offset);
|
|
if (tevent_req_nomem(subreq, req)) {
|
|
return tevent_req_post(req, ev);
|
|
}
|
|
tevent_req_set_callback(subreq, smb_vfs_call_pwrite_done, req);
|
|
return req;
|
|
}
|
|
|
|
static void smb_vfs_call_pwrite_done(struct tevent_req *subreq)
|
|
{
|
|
struct tevent_req *req = tevent_req_callback_data(
|
|
subreq, struct tevent_req);
|
|
struct smb_vfs_call_pwrite_state *state = tevent_req_data(
|
|
req, struct smb_vfs_call_pwrite_state);
|
|
|
|
state->retval = state->recv_fn(subreq, &state->vfs_aio_state);
|
|
TALLOC_FREE(subreq);
|
|
if (state->retval == -1) {
|
|
tevent_req_error(req, state->vfs_aio_state.error);
|
|
return;
|
|
}
|
|
tevent_req_done(req);
|
|
}
|
|
|
|
ssize_t SMB_VFS_PWRITE_RECV(struct tevent_req *req,
|
|
struct vfs_aio_state *vfs_aio_state)
|
|
{
|
|
struct smb_vfs_call_pwrite_state *state = tevent_req_data(
|
|
req, struct smb_vfs_call_pwrite_state);
|
|
ssize_t retval;
|
|
|
|
if (tevent_req_is_unix_error(req, &vfs_aio_state->error)) {
|
|
tevent_req_received(req);
|
|
return -1;
|
|
}
|
|
*vfs_aio_state = state->vfs_aio_state;
|
|
retval = state->retval;
|
|
tevent_req_received(req);
|
|
return retval;
|
|
}
|
|
|
|
off_t smb_vfs_call_lseek(struct vfs_handle_struct *handle,
|
|
struct files_struct *fsp, off_t offset,
|
|
int whence)
|
|
{
|
|
VFS_FIND(lseek);
|
|
return handle->fns->lseek_fn(handle, fsp, offset, whence);
|
|
}
|
|
|
|
ssize_t smb_vfs_call_sendfile(struct vfs_handle_struct *handle, int tofd,
|
|
files_struct *fromfsp, const DATA_BLOB *header,
|
|
off_t offset, size_t count)
|
|
{
|
|
VFS_FIND(sendfile);
|
|
return handle->fns->sendfile_fn(handle, tofd, fromfsp, header, offset,
|
|
count);
|
|
}
|
|
|
|
ssize_t smb_vfs_call_recvfile(struct vfs_handle_struct *handle, int fromfd,
|
|
files_struct *tofsp, off_t offset,
|
|
size_t count)
|
|
{
|
|
VFS_FIND(recvfile);
|
|
return handle->fns->recvfile_fn(handle, fromfd, tofsp, offset, count);
|
|
}
|
|
|
|
int smb_vfs_call_renameat(struct vfs_handle_struct *handle,
|
|
files_struct *srcfsp,
|
|
const struct smb_filename *smb_fname_src,
|
|
files_struct *dstfsp,
|
|
const struct smb_filename *smb_fname_dst)
|
|
{
|
|
VFS_FIND(renameat);
|
|
return handle->fns->renameat_fn(handle,
|
|
srcfsp,
|
|
smb_fname_src,
|
|
dstfsp,
|
|
smb_fname_dst);
|
|
}
|
|
|
|
struct smb_vfs_call_fsync_state {
|
|
int (*recv_fn)(struct tevent_req *req, struct vfs_aio_state *vfs_aio_state);
|
|
int retval;
|
|
struct vfs_aio_state vfs_aio_state;
|
|
};
|
|
|
|
static void smb_vfs_call_fsync_done(struct tevent_req *subreq);
|
|
|
|
struct tevent_req *smb_vfs_call_fsync_send(struct vfs_handle_struct *handle,
|
|
TALLOC_CTX *mem_ctx,
|
|
struct tevent_context *ev,
|
|
struct files_struct *fsp)
|
|
{
|
|
struct tevent_req *req, *subreq;
|
|
struct smb_vfs_call_fsync_state *state;
|
|
|
|
req = tevent_req_create(mem_ctx, &state,
|
|
struct smb_vfs_call_fsync_state);
|
|
if (req == NULL) {
|
|
return NULL;
|
|
}
|
|
VFS_FIND(fsync_send);
|
|
state->recv_fn = handle->fns->fsync_recv_fn;
|
|
|
|
subreq = handle->fns->fsync_send_fn(handle, state, ev, fsp);
|
|
if (tevent_req_nomem(subreq, req)) {
|
|
return tevent_req_post(req, ev);
|
|
}
|
|
tevent_req_set_callback(subreq, smb_vfs_call_fsync_done, req);
|
|
return req;
|
|
}
|
|
|
|
static void smb_vfs_call_fsync_done(struct tevent_req *subreq)
|
|
{
|
|
struct tevent_req *req = tevent_req_callback_data(
|
|
subreq, struct tevent_req);
|
|
struct smb_vfs_call_fsync_state *state = tevent_req_data(
|
|
req, struct smb_vfs_call_fsync_state);
|
|
|
|
state->retval = state->recv_fn(subreq, &state->vfs_aio_state);
|
|
TALLOC_FREE(subreq);
|
|
if (state->retval == -1) {
|
|
tevent_req_error(req, state->vfs_aio_state.error);
|
|
return;
|
|
}
|
|
tevent_req_done(req);
|
|
}
|
|
|
|
int SMB_VFS_FSYNC_RECV(struct tevent_req *req, struct vfs_aio_state *vfs_aio_state)
|
|
{
|
|
struct smb_vfs_call_fsync_state *state = tevent_req_data(
|
|
req, struct smb_vfs_call_fsync_state);
|
|
ssize_t retval;
|
|
|
|
if (tevent_req_is_unix_error(req, &vfs_aio_state->error)) {
|
|
tevent_req_received(req);
|
|
return -1;
|
|
}
|
|
*vfs_aio_state = state->vfs_aio_state;
|
|
retval = state->retval;
|
|
tevent_req_received(req);
|
|
return retval;
|
|
}
|
|
|
|
/*
|
|
* Synchronous version of fsync, built from backend
|
|
* async VFS primitives. Uses a temporary sub-event
|
|
* context (NOT NESTED).
|
|
*/
|
|
|
|
int smb_vfs_fsync_sync(files_struct *fsp)
|
|
{
|
|
TALLOC_CTX *frame = talloc_stackframe();
|
|
struct tevent_req *req = NULL;
|
|
struct vfs_aio_state aio_state = { 0 };
|
|
int ret = -1;
|
|
bool ok;
|
|
struct tevent_context *ev = samba_tevent_context_init(frame);
|
|
|
|
if (ev == NULL) {
|
|
goto out;
|
|
}
|
|
|
|
req = SMB_VFS_FSYNC_SEND(talloc_tos(), ev, fsp);
|
|
if (req == NULL) {
|
|
goto out;
|
|
}
|
|
|
|
ok = tevent_req_poll(req, ev);
|
|
if (!ok) {
|
|
goto out;
|
|
}
|
|
|
|
ret = SMB_VFS_FSYNC_RECV(req, &aio_state);
|
|
|
|
out:
|
|
|
|
TALLOC_FREE(frame);
|
|
if (aio_state.error != 0) {
|
|
errno = aio_state.error;
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
int smb_vfs_call_stat(struct vfs_handle_struct *handle,
|
|
struct smb_filename *smb_fname)
|
|
{
|
|
VFS_FIND(stat);
|
|
return handle->fns->stat_fn(handle, smb_fname);
|
|
}
|
|
|
|
int smb_vfs_call_fstat(struct vfs_handle_struct *handle,
|
|
struct files_struct *fsp, SMB_STRUCT_STAT *sbuf)
|
|
{
|
|
VFS_FIND(fstat);
|
|
return handle->fns->fstat_fn(handle, fsp, sbuf);
|
|
}
|
|
|
|
int smb_vfs_call_lstat(struct vfs_handle_struct *handle,
|
|
struct smb_filename *smb_filename)
|
|
{
|
|
VFS_FIND(lstat);
|
|
return handle->fns->lstat_fn(handle, smb_filename);
|
|
}
|
|
|
|
int smb_vfs_call_fstatat(
|
|
struct vfs_handle_struct *handle,
|
|
const struct files_struct *dirfsp,
|
|
const struct smb_filename *smb_fname,
|
|
SMB_STRUCT_STAT *sbuf,
|
|
int flags)
|
|
{
|
|
VFS_FIND(fstatat);
|
|
return handle->fns->fstatat_fn(handle, dirfsp, smb_fname, sbuf, flags);
|
|
}
|
|
|
|
uint64_t smb_vfs_call_get_alloc_size(struct vfs_handle_struct *handle,
|
|
struct files_struct *fsp,
|
|
const SMB_STRUCT_STAT *sbuf)
|
|
{
|
|
VFS_FIND(get_alloc_size);
|
|
return handle->fns->get_alloc_size_fn(handle, fsp, sbuf);
|
|
}
|
|
|
|
int smb_vfs_call_unlinkat(struct vfs_handle_struct *handle,
|
|
struct files_struct *dirfsp,
|
|
const struct smb_filename *smb_fname,
|
|
int flags)
|
|
{
|
|
VFS_FIND(unlinkat);
|
|
return handle->fns->unlinkat_fn(handle,
|
|
dirfsp,
|
|
smb_fname,
|
|
flags);
|
|
}
|
|
|
|
int smb_vfs_call_fchmod(struct vfs_handle_struct *handle,
|
|
struct files_struct *fsp, mode_t mode)
|
|
{
|
|
VFS_FIND(fchmod);
|
|
return handle->fns->fchmod_fn(handle, fsp, mode);
|
|
}
|
|
|
|
int smb_vfs_call_fchown(struct vfs_handle_struct *handle,
|
|
struct files_struct *fsp, uid_t uid, gid_t gid)
|
|
{
|
|
VFS_FIND(fchown);
|
|
return handle->fns->fchown_fn(handle, fsp, uid, gid);
|
|
}
|
|
|
|
int smb_vfs_call_lchown(struct vfs_handle_struct *handle,
|
|
const struct smb_filename *smb_fname,
|
|
uid_t uid,
|
|
gid_t gid)
|
|
{
|
|
VFS_FIND(lchown);
|
|
return handle->fns->lchown_fn(handle, smb_fname, uid, gid);
|
|
}
|
|
|
|
int smb_vfs_call_chdir(struct vfs_handle_struct *handle,
|
|
const struct smb_filename *smb_fname)
|
|
{
|
|
VFS_FIND(chdir);
|
|
return handle->fns->chdir_fn(handle, smb_fname);
|
|
}
|
|
|
|
struct smb_filename *smb_vfs_call_getwd(struct vfs_handle_struct *handle,
|
|
TALLOC_CTX *ctx)
|
|
{
|
|
VFS_FIND(getwd);
|
|
return handle->fns->getwd_fn(handle, ctx);
|
|
}
|
|
|
|
int smb_vfs_call_fntimes(struct vfs_handle_struct *handle,
|
|
struct files_struct *fsp,
|
|
struct smb_file_time *ft)
|
|
{
|
|
VFS_FIND(fntimes);
|
|
return handle->fns->fntimes_fn(handle, fsp, ft);
|
|
}
|
|
|
|
int smb_vfs_call_ftruncate(struct vfs_handle_struct *handle,
|
|
struct files_struct *fsp, off_t offset)
|
|
{
|
|
VFS_FIND(ftruncate);
|
|
return handle->fns->ftruncate_fn(handle, fsp, offset);
|
|
}
|
|
|
|
int smb_vfs_call_fallocate(struct vfs_handle_struct *handle,
|
|
struct files_struct *fsp,
|
|
uint32_t mode,
|
|
off_t offset,
|
|
off_t len)
|
|
{
|
|
VFS_FIND(fallocate);
|
|
return handle->fns->fallocate_fn(handle, fsp, mode, offset, len);
|
|
}
|
|
|
|
int smb_vfs_call_filesystem_sharemode(struct vfs_handle_struct *handle,
|
|
struct files_struct *fsp,
|
|
uint32_t share_mode,
|
|
uint32_t access_mask)
|
|
{
|
|
VFS_FIND(filesystem_sharemode);
|
|
return handle->fns->filesystem_sharemode_fn(handle,
|
|
fsp,
|
|
share_mode,
|
|
access_mask);
|
|
}
|
|
|
|
int smb_vfs_call_fcntl(struct vfs_handle_struct *handle,
|
|
struct files_struct *fsp, int cmd, ...)
|
|
{
|
|
int result;
|
|
va_list cmd_arg;
|
|
|
|
VFS_FIND(fcntl);
|
|
|
|
va_start(cmd_arg, cmd);
|
|
result = handle->fns->fcntl_fn(handle, fsp, cmd, cmd_arg);
|
|
va_end(cmd_arg);
|
|
|
|
return result;
|
|
}
|
|
|
|
int smb_vfs_call_linux_setlease(struct vfs_handle_struct *handle,
|
|
struct files_struct *fsp, int leasetype)
|
|
{
|
|
VFS_FIND(linux_setlease);
|
|
return handle->fns->linux_setlease_fn(handle, fsp, leasetype);
|
|
}
|
|
|
|
int smb_vfs_call_symlinkat(struct vfs_handle_struct *handle,
|
|
const struct smb_filename *link_target,
|
|
struct files_struct *dirfsp,
|
|
const struct smb_filename *new_smb_fname)
|
|
{
|
|
VFS_FIND(symlinkat);
|
|
return handle->fns->symlinkat_fn(handle,
|
|
link_target,
|
|
dirfsp,
|
|
new_smb_fname);
|
|
}
|
|
|
|
int smb_vfs_call_readlinkat(struct vfs_handle_struct *handle,
|
|
const struct files_struct *dirfsp,
|
|
const struct smb_filename *smb_fname,
|
|
char *buf,
|
|
size_t bufsiz)
|
|
{
|
|
VFS_FIND(readlinkat);
|
|
return handle->fns->readlinkat_fn(handle,
|
|
dirfsp,
|
|
smb_fname,
|
|
buf,
|
|
bufsiz);
|
|
}
|
|
|
|
int smb_vfs_call_linkat(struct vfs_handle_struct *handle,
|
|
struct files_struct *srcfsp,
|
|
const struct smb_filename *old_smb_fname,
|
|
struct files_struct *dstfsp,
|
|
const struct smb_filename *new_smb_fname,
|
|
int flags)
|
|
{
|
|
VFS_FIND(linkat);
|
|
return handle->fns->linkat_fn(handle,
|
|
srcfsp,
|
|
old_smb_fname,
|
|
dstfsp,
|
|
new_smb_fname,
|
|
flags);
|
|
}
|
|
|
|
int smb_vfs_call_mknodat(struct vfs_handle_struct *handle,
|
|
struct files_struct *dirfsp,
|
|
const struct smb_filename *smb_fname,
|
|
mode_t mode,
|
|
SMB_DEV_T dev)
|
|
{
|
|
VFS_FIND(mknodat);
|
|
return handle->fns->mknodat_fn(handle,
|
|
dirfsp,
|
|
smb_fname,
|
|
mode,
|
|
dev);
|
|
}
|
|
|
|
struct smb_filename *smb_vfs_call_realpath(struct vfs_handle_struct *handle,
|
|
TALLOC_CTX *ctx,
|
|
const struct smb_filename *smb_fname)
|
|
{
|
|
VFS_FIND(realpath);
|
|
return handle->fns->realpath_fn(handle, ctx, smb_fname);
|
|
}
|
|
|
|
int smb_vfs_call_fchflags(struct vfs_handle_struct *handle,
|
|
struct files_struct *fsp,
|
|
unsigned int flags)
|
|
{
|
|
VFS_FIND(fchflags);
|
|
return handle->fns->fchflags_fn(handle, fsp, flags);
|
|
}
|
|
|
|
struct file_id smb_vfs_call_file_id_create(struct vfs_handle_struct *handle,
|
|
const SMB_STRUCT_STAT *sbuf)
|
|
{
|
|
VFS_FIND(file_id_create);
|
|
return handle->fns->file_id_create_fn(handle, sbuf);
|
|
}
|
|
|
|
uint64_t smb_vfs_call_fs_file_id(struct vfs_handle_struct *handle,
|
|
const SMB_STRUCT_STAT *sbuf)
|
|
{
|
|
VFS_FIND(fs_file_id);
|
|
return handle->fns->fs_file_id_fn(handle, sbuf);
|
|
}
|
|
|
|
NTSTATUS smb_vfs_call_fstreaminfo(struct vfs_handle_struct *handle,
|
|
struct files_struct *fsp,
|
|
TALLOC_CTX *mem_ctx,
|
|
unsigned int *num_streams,
|
|
struct stream_struct **streams)
|
|
{
|
|
VFS_FIND(fstreaminfo);
|
|
return handle->fns->fstreaminfo_fn(handle, fsp, mem_ctx,
|
|
num_streams, streams);
|
|
}
|
|
|
|
NTSTATUS smb_vfs_call_get_real_filename_at(struct vfs_handle_struct *handle,
|
|
struct files_struct *dirfsp,
|
|
const char *name,
|
|
TALLOC_CTX *mem_ctx,
|
|
char **found_name)
|
|
{
|
|
VFS_FIND(get_real_filename_at);
|
|
return handle->fns->get_real_filename_at_fn(
|
|
handle, dirfsp, name, mem_ctx, found_name);
|
|
}
|
|
|
|
const char *smb_vfs_call_connectpath(struct vfs_handle_struct *handle,
|
|
const struct files_struct *dirfsp,
|
|
const struct smb_filename *smb_fname)
|
|
{
|
|
VFS_FIND(connectpath);
|
|
return handle->fns->connectpath_fn(handle, dirfsp, smb_fname);
|
|
}
|
|
|
|
bool smb_vfs_call_strict_lock_check(struct vfs_handle_struct *handle,
|
|
struct files_struct *fsp,
|
|
struct lock_struct *plock)
|
|
{
|
|
VFS_FIND(strict_lock_check);
|
|
return handle->fns->strict_lock_check_fn(handle, fsp, plock);
|
|
}
|
|
|
|
NTSTATUS smb_vfs_call_translate_name(struct vfs_handle_struct *handle,
|
|
const char *name,
|
|
enum vfs_translate_direction direction,
|
|
TALLOC_CTX *mem_ctx,
|
|
char **mapped_name)
|
|
{
|
|
VFS_FIND(translate_name);
|
|
return handle->fns->translate_name_fn(handle, name, direction, mem_ctx,
|
|
mapped_name);
|
|
}
|
|
|
|
NTSTATUS smb_vfs_call_parent_pathname(struct vfs_handle_struct *handle,
|
|
TALLOC_CTX *mem_ctx,
|
|
const struct smb_filename *smb_fname_in,
|
|
struct smb_filename **parent_dir_out,
|
|
struct smb_filename **atname_out)
|
|
{
|
|
VFS_FIND(parent_pathname);
|
|
return handle->fns->parent_pathname_fn(handle,
|
|
mem_ctx,
|
|
smb_fname_in,
|
|
parent_dir_out,
|
|
atname_out);
|
|
}
|
|
|
|
NTSTATUS smb_vfs_call_fsctl(struct vfs_handle_struct *handle,
|
|
struct files_struct *fsp,
|
|
TALLOC_CTX *ctx,
|
|
uint32_t function,
|
|
uint16_t req_flags,
|
|
const uint8_t *in_data,
|
|
uint32_t in_len,
|
|
uint8_t **out_data,
|
|
uint32_t max_out_len,
|
|
uint32_t *out_len)
|
|
{
|
|
VFS_FIND(fsctl);
|
|
return handle->fns->fsctl_fn(handle, fsp, ctx, function, req_flags,
|
|
in_data, in_len, out_data, max_out_len,
|
|
out_len);
|
|
}
|
|
|
|
NTSTATUS smb_vfs_call_fget_dos_attributes(struct vfs_handle_struct *handle,
|
|
struct files_struct *fsp,
|
|
uint32_t *dosmode)
|
|
{
|
|
VFS_FIND(fget_dos_attributes);
|
|
return handle->fns->fget_dos_attributes_fn(handle, fsp, dosmode);
|
|
}
|
|
|
|
NTSTATUS smb_vfs_call_fset_dos_attributes(struct vfs_handle_struct *handle,
|
|
struct files_struct *fsp,
|
|
uint32_t dosmode)
|
|
{
|
|
VFS_FIND(fset_dos_attributes);
|
|
return handle->fns->fset_dos_attributes_fn(handle, fsp, dosmode);
|
|
}
|
|
|
|
struct tevent_req *smb_vfs_call_offload_read_send(TALLOC_CTX *mem_ctx,
|
|
struct tevent_context *ev,
|
|
struct vfs_handle_struct *handle,
|
|
struct files_struct *fsp,
|
|
uint32_t fsctl,
|
|
uint32_t ttl,
|
|
off_t offset,
|
|
size_t to_copy)
|
|
{
|
|
VFS_FIND(offload_read_send);
|
|
return handle->fns->offload_read_send_fn(mem_ctx, ev, handle,
|
|
fsp, fsctl,
|
|
ttl, offset, to_copy);
|
|
}
|
|
|
|
NTSTATUS smb_vfs_call_offload_read_recv(struct tevent_req *req,
|
|
struct vfs_handle_struct *handle,
|
|
TALLOC_CTX *mem_ctx,
|
|
uint32_t *flags,
|
|
uint64_t *xferlen,
|
|
DATA_BLOB *token_blob)
|
|
{
|
|
VFS_FIND(offload_read_recv);
|
|
return handle->fns->offload_read_recv_fn(req, handle, mem_ctx, flags, xferlen, token_blob);
|
|
}
|
|
|
|
struct tevent_req *smb_vfs_call_offload_write_send(struct vfs_handle_struct *handle,
|
|
TALLOC_CTX *mem_ctx,
|
|
struct tevent_context *ev,
|
|
uint32_t fsctl,
|
|
DATA_BLOB *token,
|
|
off_t transfer_offset,
|
|
struct files_struct *dest_fsp,
|
|
off_t dest_off,
|
|
off_t num)
|
|
{
|
|
VFS_FIND(offload_write_send);
|
|
return handle->fns->offload_write_send_fn(handle, mem_ctx, ev, fsctl,
|
|
token, transfer_offset,
|
|
dest_fsp, dest_off, num);
|
|
}
|
|
|
|
NTSTATUS smb_vfs_call_offload_write_recv(struct vfs_handle_struct *handle,
|
|
struct tevent_req *req,
|
|
off_t *copied)
|
|
{
|
|
VFS_FIND(offload_write_recv);
|
|
return handle->fns->offload_write_recv_fn(handle, req, copied);
|
|
}
|
|
|
|
struct smb_vfs_call_get_dos_attributes_state {
|
|
files_struct *dir_fsp;
|
|
NTSTATUS (*recv_fn)(struct tevent_req *req,
|
|
struct vfs_aio_state *aio_state,
|
|
uint32_t *dosmode);
|
|
struct vfs_aio_state aio_state;
|
|
uint32_t dos_attributes;
|
|
};
|
|
|
|
static void smb_vfs_call_get_dos_attributes_done(struct tevent_req *subreq);
|
|
|
|
struct tevent_req *smb_vfs_call_get_dos_attributes_send(
|
|
TALLOC_CTX *mem_ctx,
|
|
struct tevent_context *ev,
|
|
struct vfs_handle_struct *handle,
|
|
files_struct *dir_fsp,
|
|
struct smb_filename *smb_fname)
|
|
{
|
|
struct tevent_req *req = NULL;
|
|
struct smb_vfs_call_get_dos_attributes_state *state = NULL;
|
|
struct tevent_req *subreq = NULL;
|
|
|
|
req = tevent_req_create(mem_ctx, &state,
|
|
struct smb_vfs_call_get_dos_attributes_state);
|
|
if (req == NULL) {
|
|
return NULL;
|
|
}
|
|
|
|
VFS_FIND(get_dos_attributes_send);
|
|
|
|
*state = (struct smb_vfs_call_get_dos_attributes_state) {
|
|
.dir_fsp = dir_fsp,
|
|
.recv_fn = handle->fns->get_dos_attributes_recv_fn,
|
|
};
|
|
|
|
subreq = handle->fns->get_dos_attributes_send_fn(mem_ctx,
|
|
ev,
|
|
handle,
|
|
dir_fsp,
|
|
smb_fname);
|
|
if (tevent_req_nomem(subreq, req)) {
|
|
return tevent_req_post(req, ev);
|
|
}
|
|
tevent_req_defer_callback(req, ev);
|
|
|
|
tevent_req_set_callback(subreq,
|
|
smb_vfs_call_get_dos_attributes_done,
|
|
req);
|
|
|
|
return req;
|
|
}
|
|
|
|
static void smb_vfs_call_get_dos_attributes_done(struct tevent_req *subreq)
|
|
{
|
|
struct tevent_req *req =
|
|
tevent_req_callback_data(subreq,
|
|
struct tevent_req);
|
|
struct smb_vfs_call_get_dos_attributes_state *state =
|
|
tevent_req_data(req,
|
|
struct smb_vfs_call_get_dos_attributes_state);
|
|
NTSTATUS status;
|
|
bool ok;
|
|
|
|
/*
|
|
* Make sure we run as the user again
|
|
*/
|
|
ok = change_to_user_and_service_by_fsp(state->dir_fsp);
|
|
SMB_ASSERT(ok);
|
|
|
|
status = state->recv_fn(subreq,
|
|
&state->aio_state,
|
|
&state->dos_attributes);
|
|
TALLOC_FREE(subreq);
|
|
if (tevent_req_nterror(req, status)) {
|
|
return;
|
|
}
|
|
|
|
tevent_req_done(req);
|
|
}
|
|
|
|
NTSTATUS smb_vfs_call_get_dos_attributes_recv(
|
|
struct tevent_req *req,
|
|
struct vfs_aio_state *aio_state,
|
|
uint32_t *dos_attributes)
|
|
{
|
|
struct smb_vfs_call_get_dos_attributes_state *state =
|
|
tevent_req_data(req,
|
|
struct smb_vfs_call_get_dos_attributes_state);
|
|
NTSTATUS status;
|
|
|
|
if (tevent_req_is_nterror(req, &status)) {
|
|
tevent_req_received(req);
|
|
return status;
|
|
}
|
|
|
|
*aio_state = state->aio_state;
|
|
*dos_attributes = state->dos_attributes;
|
|
tevent_req_received(req);
|
|
return NT_STATUS_OK;
|
|
}
|
|
|
|
NTSTATUS smb_vfs_call_fget_compression(vfs_handle_struct *handle,
|
|
TALLOC_CTX *mem_ctx,
|
|
struct files_struct *fsp,
|
|
uint16_t *_compression_fmt)
|
|
{
|
|
VFS_FIND(fget_compression);
|
|
return handle->fns->fget_compression_fn(handle, mem_ctx, fsp,
|
|
_compression_fmt);
|
|
}
|
|
|
|
NTSTATUS smb_vfs_call_set_compression(vfs_handle_struct *handle,
|
|
TALLOC_CTX *mem_ctx,
|
|
struct files_struct *fsp,
|
|
uint16_t compression_fmt)
|
|
{
|
|
VFS_FIND(set_compression);
|
|
return handle->fns->set_compression_fn(handle, mem_ctx, fsp,
|
|
compression_fmt);
|
|
}
|
|
|
|
NTSTATUS smb_vfs_call_snap_check_path(vfs_handle_struct *handle,
|
|
TALLOC_CTX *mem_ctx,
|
|
const char *service_path,
|
|
char **base_volume)
|
|
{
|
|
VFS_FIND(snap_check_path);
|
|
return handle->fns->snap_check_path_fn(handle, mem_ctx, service_path,
|
|
base_volume);
|
|
}
|
|
|
|
NTSTATUS smb_vfs_call_snap_create(struct vfs_handle_struct *handle,
|
|
TALLOC_CTX *mem_ctx,
|
|
const char *base_volume,
|
|
time_t *tstamp,
|
|
bool rw,
|
|
char **base_path,
|
|
char **snap_path)
|
|
{
|
|
VFS_FIND(snap_create);
|
|
return handle->fns->snap_create_fn(handle, mem_ctx, base_volume, tstamp,
|
|
rw, base_path, snap_path);
|
|
}
|
|
|
|
NTSTATUS smb_vfs_call_snap_delete(struct vfs_handle_struct *handle,
|
|
TALLOC_CTX *mem_ctx,
|
|
char *base_path,
|
|
char *snap_path)
|
|
{
|
|
VFS_FIND(snap_delete);
|
|
return handle->fns->snap_delete_fn(handle, mem_ctx, base_path,
|
|
snap_path);
|
|
}
|
|
|
|
NTSTATUS smb_vfs_call_fget_nt_acl(struct vfs_handle_struct *handle,
|
|
struct files_struct *fsp,
|
|
uint32_t security_info,
|
|
TALLOC_CTX *mem_ctx,
|
|
struct security_descriptor **ppdesc)
|
|
{
|
|
VFS_FIND(fget_nt_acl);
|
|
return handle->fns->fget_nt_acl_fn(handle, fsp, security_info,
|
|
mem_ctx, ppdesc);
|
|
}
|
|
|
|
NTSTATUS smb_vfs_call_fset_nt_acl(struct vfs_handle_struct *handle,
|
|
struct files_struct *fsp,
|
|
uint32_t security_info_sent,
|
|
const struct security_descriptor *psd)
|
|
{
|
|
VFS_FIND(fset_nt_acl);
|
|
return handle->fns->fset_nt_acl_fn(handle, fsp, security_info_sent,
|
|
psd);
|
|
}
|
|
|
|
NTSTATUS smb_vfs_call_audit_file(struct vfs_handle_struct *handle,
|
|
struct smb_filename *file,
|
|
struct security_acl *sacl,
|
|
uint32_t access_requested,
|
|
uint32_t access_denied)
|
|
{
|
|
VFS_FIND(audit_file);
|
|
return handle->fns->audit_file_fn(handle,
|
|
file,
|
|
sacl,
|
|
access_requested,
|
|
access_denied);
|
|
}
|
|
|
|
SMB_ACL_T smb_vfs_call_sys_acl_get_fd(struct vfs_handle_struct *handle,
|
|
struct files_struct *fsp,
|
|
SMB_ACL_TYPE_T type,
|
|
TALLOC_CTX *mem_ctx)
|
|
{
|
|
VFS_FIND(sys_acl_get_fd);
|
|
return handle->fns->sys_acl_get_fd_fn(handle, fsp, type, mem_ctx);
|
|
}
|
|
|
|
int smb_vfs_call_sys_acl_blob_get_fd(struct vfs_handle_struct *handle,
|
|
struct files_struct *fsp,
|
|
TALLOC_CTX *mem_ctx,
|
|
char **blob_description,
|
|
DATA_BLOB *blob)
|
|
{
|
|
VFS_FIND(sys_acl_blob_get_fd);
|
|
return handle->fns->sys_acl_blob_get_fd_fn(handle, fsp, mem_ctx, blob_description, blob);
|
|
}
|
|
|
|
int smb_vfs_call_sys_acl_set_fd(struct vfs_handle_struct *handle,
|
|
struct files_struct *fsp,
|
|
SMB_ACL_TYPE_T type,
|
|
SMB_ACL_T theacl)
|
|
{
|
|
VFS_FIND(sys_acl_set_fd);
|
|
return handle->fns->sys_acl_set_fd_fn(handle, fsp, type, theacl);
|
|
}
|
|
|
|
int smb_vfs_call_sys_acl_delete_def_fd(struct vfs_handle_struct *handle,
|
|
struct files_struct *fsp)
|
|
{
|
|
VFS_FIND(sys_acl_delete_def_fd);
|
|
return handle->fns->sys_acl_delete_def_fd_fn(handle, fsp);
|
|
}
|
|
|
|
struct smb_vfs_call_getxattrat_state {
|
|
files_struct *dir_fsp;
|
|
ssize_t (*recv_fn)(struct tevent_req *req,
|
|
struct vfs_aio_state *aio_state,
|
|
TALLOC_CTX *mem_ctx,
|
|
uint8_t **xattr_value);
|
|
ssize_t retval;
|
|
uint8_t *xattr_value;
|
|
struct vfs_aio_state aio_state;
|
|
};
|
|
|
|
static void smb_vfs_call_getxattrat_done(struct tevent_req *subreq);
|
|
|
|
struct tevent_req *smb_vfs_call_getxattrat_send(
|
|
TALLOC_CTX *mem_ctx,
|
|
struct tevent_context *ev,
|
|
struct vfs_handle_struct *handle,
|
|
files_struct *dir_fsp,
|
|
const struct smb_filename *smb_fname,
|
|
const char *xattr_name,
|
|
size_t alloc_hint)
|
|
{
|
|
struct tevent_req *req = NULL;
|
|
struct smb_vfs_call_getxattrat_state *state = NULL;
|
|
struct tevent_req *subreq = NULL;
|
|
|
|
req = tevent_req_create(mem_ctx, &state,
|
|
struct smb_vfs_call_getxattrat_state);
|
|
if (req == NULL) {
|
|
return NULL;
|
|
}
|
|
|
|
VFS_FIND(getxattrat_send);
|
|
|
|
*state = (struct smb_vfs_call_getxattrat_state) {
|
|
.dir_fsp = dir_fsp,
|
|
.recv_fn = handle->fns->getxattrat_recv_fn,
|
|
};
|
|
|
|
subreq = handle->fns->getxattrat_send_fn(mem_ctx,
|
|
ev,
|
|
handle,
|
|
dir_fsp,
|
|
smb_fname,
|
|
xattr_name,
|
|
alloc_hint);
|
|
if (tevent_req_nomem(subreq, req)) {
|
|
return tevent_req_post(req, ev);
|
|
}
|
|
tevent_req_defer_callback(req, ev);
|
|
|
|
tevent_req_set_callback(subreq, smb_vfs_call_getxattrat_done, req);
|
|
return req;
|
|
}
|
|
|
|
static void smb_vfs_call_getxattrat_done(struct tevent_req *subreq)
|
|
{
|
|
struct tevent_req *req = tevent_req_callback_data(
|
|
subreq, struct tevent_req);
|
|
struct smb_vfs_call_getxattrat_state *state = tevent_req_data(
|
|
req, struct smb_vfs_call_getxattrat_state);
|
|
bool ok;
|
|
|
|
/*
|
|
* Make sure we run as the user again
|
|
*/
|
|
ok = change_to_user_and_service_by_fsp(state->dir_fsp);
|
|
SMB_ASSERT(ok);
|
|
|
|
state->retval = state->recv_fn(subreq,
|
|
&state->aio_state,
|
|
state,
|
|
&state->xattr_value);
|
|
TALLOC_FREE(subreq);
|
|
if (state->retval == -1) {
|
|
tevent_req_error(req, state->aio_state.error);
|
|
return;
|
|
}
|
|
|
|
tevent_req_done(req);
|
|
}
|
|
|
|
ssize_t smb_vfs_call_getxattrat_recv(struct tevent_req *req,
|
|
struct vfs_aio_state *aio_state,
|
|
TALLOC_CTX *mem_ctx,
|
|
uint8_t **xattr_value)
|
|
{
|
|
struct smb_vfs_call_getxattrat_state *state = tevent_req_data(
|
|
req, struct smb_vfs_call_getxattrat_state);
|
|
size_t xattr_size;
|
|
|
|
if (tevent_req_is_unix_error(req, &aio_state->error)) {
|
|
tevent_req_received(req);
|
|
return -1;
|
|
}
|
|
|
|
*aio_state = state->aio_state;
|
|
xattr_size = state->retval;
|
|
if (xattr_value != NULL) {
|
|
*xattr_value = talloc_move(mem_ctx, &state->xattr_value);
|
|
}
|
|
|
|
tevent_req_received(req);
|
|
return xattr_size;
|
|
}
|
|
|
|
ssize_t smb_vfs_call_fgetxattr(struct vfs_handle_struct *handle,
|
|
struct files_struct *fsp, const char *name,
|
|
void *value, size_t size)
|
|
{
|
|
VFS_FIND(fgetxattr);
|
|
return handle->fns->fgetxattr_fn(handle, fsp, name, value, size);
|
|
}
|
|
|
|
ssize_t smb_vfs_call_flistxattr(struct vfs_handle_struct *handle,
|
|
struct files_struct *fsp, char *list,
|
|
size_t size)
|
|
{
|
|
VFS_FIND(flistxattr);
|
|
return handle->fns->flistxattr_fn(handle, fsp, list, size);
|
|
}
|
|
|
|
int smb_vfs_call_fremovexattr(struct vfs_handle_struct *handle,
|
|
struct files_struct *fsp, const char *name)
|
|
{
|
|
VFS_FIND(fremovexattr);
|
|
return handle->fns->fremovexattr_fn(handle, fsp, name);
|
|
}
|
|
|
|
int smb_vfs_call_fsetxattr(struct vfs_handle_struct *handle,
|
|
struct files_struct *fsp, const char *name,
|
|
const void *value, size_t size, int flags)
|
|
{
|
|
VFS_FIND(fsetxattr);
|
|
return handle->fns->fsetxattr_fn(handle, fsp, name, value, size, flags);
|
|
}
|
|
|
|
bool smb_vfs_call_aio_force(struct vfs_handle_struct *handle,
|
|
struct files_struct *fsp)
|
|
{
|
|
VFS_FIND(aio_force);
|
|
return handle->fns->aio_force_fn(handle, fsp);
|
|
}
|
|
|
|
NTSTATUS smb_vfs_call_durable_cookie(struct vfs_handle_struct *handle,
|
|
struct files_struct *fsp,
|
|
TALLOC_CTX *mem_ctx,
|
|
DATA_BLOB *cookie)
|
|
{
|
|
VFS_FIND(durable_cookie);
|
|
return handle->fns->durable_cookie_fn(handle, fsp, mem_ctx, cookie);
|
|
}
|
|
|
|
NTSTATUS smb_vfs_call_durable_disconnect(struct vfs_handle_struct *handle,
|
|
struct files_struct *fsp,
|
|
const DATA_BLOB old_cookie,
|
|
TALLOC_CTX *mem_ctx,
|
|
DATA_BLOB *new_cookie)
|
|
{
|
|
VFS_FIND(durable_disconnect);
|
|
return handle->fns->durable_disconnect_fn(handle, fsp, old_cookie,
|
|
mem_ctx, new_cookie);
|
|
}
|
|
|
|
NTSTATUS smb_vfs_call_durable_reconnect(struct vfs_handle_struct *handle,
|
|
struct smb_request *smb1req,
|
|
struct smbXsrv_open *op,
|
|
const DATA_BLOB old_cookie,
|
|
TALLOC_CTX *mem_ctx,
|
|
struct files_struct **fsp,
|
|
DATA_BLOB *new_cookie)
|
|
{
|
|
VFS_FIND(durable_reconnect);
|
|
return handle->fns->durable_reconnect_fn(handle, smb1req, op,
|
|
old_cookie, mem_ctx, fsp,
|
|
new_cookie);
|
|
}
|
|
|
|
NTSTATUS smb_vfs_call_freaddir_attr(struct vfs_handle_struct *handle,
|
|
struct files_struct *fsp,
|
|
TALLOC_CTX *mem_ctx,
|
|
struct readdir_attr_data **attr_data)
|
|
{
|
|
VFS_FIND(freaddir_attr);
|
|
return handle->fns->freaddir_attr_fn(handle,
|
|
fsp,
|
|
mem_ctx,
|
|
attr_data);
|
|
}
|
|
|
|
bool smb_vfs_call_lock(struct vfs_handle_struct *handle,
|
|
struct files_struct *fsp, int op, off_t offset,
|
|
off_t count, int type)
|
|
{
|
|
VFS_FIND(lock);
|
|
return handle->fns->lock_fn(handle, fsp, op, offset, count, type);
|
|
}
|
|
|
|
bool smb_vfs_call_getlock(struct vfs_handle_struct *handle,
|
|
struct files_struct *fsp, off_t *poffset,
|
|
off_t *pcount, int *ptype, pid_t *ppid)
|
|
{
|
|
VFS_FIND(getlock);
|
|
return handle->fns->getlock_fn(handle, fsp, poffset, pcount, ptype,
|
|
ppid);
|
|
}
|
|
|
|
NTSTATUS smb_vfs_call_brl_lock_windows(struct vfs_handle_struct *handle,
|
|
struct byte_range_lock *br_lck,
|
|
struct lock_struct *plock)
|
|
{
|
|
VFS_FIND(brl_lock_windows);
|
|
return handle->fns->brl_lock_windows_fn(handle, br_lck, plock);
|
|
}
|
|
|
|
bool smb_vfs_call_brl_unlock_windows(struct vfs_handle_struct *handle,
|
|
struct byte_range_lock *br_lck,
|
|
const struct lock_struct *plock)
|
|
{
|
|
VFS_FIND(brl_unlock_windows);
|
|
return handle->fns->brl_unlock_windows_fn(handle, br_lck, plock);
|
|
}
|