*/
#include "includes.h"
+#include "system/filesys.h"
+#include "smbd/smbd.h"
#include "librpc/gen_ndr/xattr.h"
#include "librpc/gen_ndr/ndr_xattr.h"
+#include "../librpc/gen_ndr/ndr_netlogon.h"
+#include "dbwrap.h"
+#include "util_tdb.h"
#undef DBGC_CLASS
#define DBGC_CLASS DBGC_VFS
enum ndr_err_code ndr_err;
struct tdb_xattrs *result;
- if (!(result = TALLOC_ZERO_P(mem_ctx, struct tdb_xattrs))) {
+ if (!(result = talloc_zero(mem_ctx, struct tdb_xattrs))) {
return NT_STATUS_NO_MEMORY;
}
blob = data_blob_const(data->dptr, data->dsize);
- ndr_err = ndr_pull_struct_blob(
- &blob, result, NULL, result,
+ ndr_err = ndr_pull_struct_blob(&blob, result, result,
(ndr_pull_flags_fn_t)ndr_pull_tdb_xattrs);
if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
DEBUG(0, ("ndr_pull_tdb_xattrs failed: %s\n",
ndr_errstr(ndr_err)));
TALLOC_FREE(result);
- return ndr_map_error2ntstatus(ndr_err);;
+ return ndr_map_error2ntstatus(ndr_err);
}
*presult = result;
DATA_BLOB blob;
enum ndr_err_code ndr_err;
- ndr_err = ndr_push_struct_blob(
- &blob, mem_ctx, NULL, attribs,
+ ndr_err = ndr_push_struct_blob(&blob, mem_ctx, attribs,
(ndr_push_flags_fn_t)ndr_push_tdb_xattrs);
if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
DEBUG(0, ("ndr_push_tdb_xattrs failed: %s\n",
ndr_errstr(ndr_err)));
- return ndr_map_error2ntstatus(ndr_err);;
+ return ndr_map_error2ntstatus(ndr_err);
}
*data = make_tdb_data(blob.data, blob.length);
NTSTATUS status;
TDB_DATA data;
+ /* For backwards compatibility only store the dev/inode. */
push_file_id_16((char *)id_buf, id);
if (db_ctx->fetch(db_ctx, mem_ctx,
const struct file_id *id)
{
uint8 id_buf[16];
+
+ /* For backwards compatibility only store the dev/inode. */
push_file_id_16((char *)id_buf, id);
return db_ctx->fetch_locked(db_ctx, mem_ctx,
make_tdb_data(id_buf, sizeof(id_buf)));
return -1;
}
- for (i=0; i<attribs->num_xattrs; i++) {
- if (strcmp(attribs->xattrs[i].name, name) == 0) {
+ for (i=0; i<attribs->num_eas; i++) {
+ if (strcmp(attribs->eas[i].name, name) == 0) {
break;
}
}
- if (i == attribs->num_xattrs) {
+ if (i == attribs->num_eas) {
errno = ENOATTR;
goto fail;
}
- if (attribs->xattrs[i].value.length > size) {
+ if (attribs->eas[i].value.length > size) {
errno = ERANGE;
goto fail;
}
- memcpy(value, attribs->xattrs[i].value.data,
- attribs->xattrs[i].value.length);
- result = attribs->xattrs[i].value.length;
+ memcpy(value, attribs->eas[i].value.data,
+ attribs->eas[i].value.length);
+ result = attribs->eas[i].value.length;
fail:
TALLOC_FREE(attribs);
SMB_VFS_HANDLE_GET_DATA(handle, db, struct db_context, return -1);
- if (SMB_VFS_STAT(handle->conn, path, &sbuf) == -1) {
+ if (vfs_stat_smb_fname(handle->conn, path, &sbuf) == -1) {
return -1;
}
- id = SMB_VFS_FILE_ID_CREATE(handle->conn, sbuf.st_dev, sbuf.st_ino);
+ id = SMB_VFS_FILE_ID_CREATE(handle->conn, &sbuf);
return xattr_tdb_getattr(db, &id, name, value, size);
}
return -1;
}
- id = SMB_VFS_FILE_ID_CREATE(handle->conn, sbuf.st_dev, sbuf.st_ino);
+ id = SMB_VFS_FILE_ID_CREATE(handle->conn, &sbuf);
return xattr_tdb_getattr(db, &id, name, value, size);
}
return -1;
}
- for (i=0; i<attribs->num_xattrs; i++) {
- if (strcmp(attribs->xattrs[i].name, name) == 0) {
+ for (i=0; i<attribs->num_eas; i++) {
+ if (strcmp(attribs->eas[i].name, name) == 0) {
if (flags & XATTR_CREATE) {
TALLOC_FREE(rec);
errno = EEXIST;
}
}
- if (i == attribs->num_xattrs) {
- struct tdb_xattr *tmp;
+ if (i == attribs->num_eas) {
+ struct xattr_EA *tmp;
if (flags & XATTR_REPLACE) {
TALLOC_FREE(rec);
return -1;
}
- tmp = TALLOC_REALLOC_ARRAY(
- attribs, attribs->xattrs, struct tdb_xattr,
- attribs->num_xattrs + 1);
+ tmp = talloc_realloc(
+ attribs, attribs->eas, struct xattr_EA,
+ attribs->num_eas+ 1);
if (tmp == NULL) {
- DEBUG(0, ("TALLOC_REALLOC_ARRAY failed\n"));
+ DEBUG(0, ("talloc_realloc failed\n"));
TALLOC_FREE(rec);
errno = ENOMEM;
return -1;
}
- attribs->xattrs = tmp;
- attribs->num_xattrs += 1;
+ attribs->eas = tmp;
+ attribs->num_eas += 1;
}
- attribs->xattrs[i].name = name;
- attribs->xattrs[i].value.data = CONST_DISCARD(uint8 *, value);
- attribs->xattrs[i].value.length = size;
+ attribs->eas[i].name = name;
+ attribs->eas[i].value.data = discard_const_p(uint8, value);
+ attribs->eas[i].value.length = size;
status = xattr_tdb_save_attrs(rec, attribs);
SMB_VFS_HANDLE_GET_DATA(handle, db, struct db_context, return -1);
- if (SMB_VFS_STAT(handle->conn, path, &sbuf) == -1) {
+ if (vfs_stat_smb_fname(handle->conn, path, &sbuf) == -1) {
return -1;
}
- id = SMB_VFS_FILE_ID_CREATE(handle->conn, sbuf.st_dev, sbuf.st_ino);
+ id = SMB_VFS_FILE_ID_CREATE(handle->conn, &sbuf);
return xattr_tdb_setattr(db, &id, name, value, size, flags);
}
return -1;
}
- id = SMB_VFS_FILE_ID_CREATE(handle->conn, sbuf.st_dev, sbuf.st_ino);
+ id = SMB_VFS_FILE_ID_CREATE(handle->conn, &sbuf);
return xattr_tdb_setattr(db, &id, name, value, size, flags);
}
}
DEBUG(10, ("xattr_tdb_listattr: Found %d xattrs\n",
- attribs->num_xattrs));
+ attribs->num_eas));
- for (i=0; i<attribs->num_xattrs; i++) {
+ for (i=0; i<attribs->num_eas; i++) {
size_t tmp;
DEBUG(10, ("xattr_tdb_listattr: xattrs[i].name: %s\n",
- attribs->xattrs[i].name));
+ attribs->eas[i].name));
- tmp = strlen(attribs->xattrs[i].name);
+ tmp = strlen(attribs->eas[i].name);
/*
* Try to protect against overflow
len = 0;
- for (i=0; i<attribs->num_xattrs; i++) {
- strlcpy(list+len, attribs->xattrs[i].name,
+ for (i=0; i<attribs->num_eas; i++) {
+ strlcpy(list+len, attribs->eas[i].name,
size-len);
- len += (strlen(attribs->xattrs[i].name) + 1);
+ len += (strlen(attribs->eas[i].name) + 1);
}
TALLOC_FREE(attribs);
SMB_VFS_HANDLE_GET_DATA(handle, db, struct db_context, return -1);
- if (SMB_VFS_STAT(handle->conn, path, &sbuf) == -1) {
+ if (vfs_stat_smb_fname(handle->conn, path, &sbuf) == -1) {
return -1;
}
- id = SMB_VFS_FILE_ID_CREATE(handle->conn, sbuf.st_dev, sbuf.st_ino);
+ id = SMB_VFS_FILE_ID_CREATE(handle->conn, &sbuf);
return xattr_tdb_listattr(db, &id, list, size);
}
return -1;
}
- id = SMB_VFS_FILE_ID_CREATE(handle->conn, sbuf.st_dev, sbuf.st_ino);
+ id = SMB_VFS_FILE_ID_CREATE(handle->conn, &sbuf);
return xattr_tdb_listattr(db, &id, list, size);
}
return -1;
}
- for (i=0; i<attribs->num_xattrs; i++) {
- if (strcmp(attribs->xattrs[i].name, name) == 0) {
+ for (i=0; i<attribs->num_eas; i++) {
+ if (strcmp(attribs->eas[i].name, name) == 0) {
break;
}
}
- if (i == attribs->num_xattrs) {
+ if (i == attribs->num_eas) {
TALLOC_FREE(rec);
errno = ENOATTR;
return -1;
}
- attribs->xattrs[i] =
- attribs->xattrs[attribs->num_xattrs-1];
- attribs->num_xattrs -= 1;
+ attribs->eas[i] =
+ attribs->eas[attribs->num_eas-1];
+ attribs->num_eas -= 1;
- if (attribs->num_xattrs == 0) {
+ if (attribs->num_eas == 0) {
rec->delete_rec(rec);
TALLOC_FREE(rec);
return 0;
SMB_VFS_HANDLE_GET_DATA(handle, db, struct db_context, return -1);
- if (SMB_VFS_STAT(handle->conn, path, &sbuf) == -1) {
+ if (vfs_stat_smb_fname(handle->conn, path, &sbuf) == -1) {
return -1;
}
- id = SMB_VFS_FILE_ID_CREATE(handle->conn, sbuf.st_dev, sbuf.st_ino);
+ id = SMB_VFS_FILE_ID_CREATE(handle->conn, &sbuf);
return xattr_tdb_removeattr(db, &id, name);
}
return -1;
}
- id = SMB_VFS_FILE_ID_CREATE(handle->conn, sbuf.st_dev, sbuf.st_ino);
+ id = SMB_VFS_FILE_ID_CREATE(handle->conn, &sbuf);
return xattr_tdb_removeattr(db, &id, name);
}
{
struct db_context *db;
const char *dbname;
+ char *def_dbname;
- dbname = lp_parm_const_string(snum, "xattr_tdb", "file",
- lock_path("xattr.tdb"));
-
- if (dbname == NULL) {
+ def_dbname = state_path("xattr.tdb");
+ if (def_dbname == NULL) {
errno = ENOSYS;
return false;
}
+ dbname = lp_parm_const_string(snum, "xattr_tdb", "file", def_dbname);
+
+ /* now we know dbname is not NULL */
+
become_root();
db = db_open(NULL, dbname, 0, TDB_DEFAULT, O_RDWR|O_CREAT, 0600);
unbecome_root();
#else
errno = ENOSYS;
#endif
+ TALLOC_FREE(def_dbname);
return false;
}
*p_db = db;
+ TALLOC_FREE(def_dbname);
return true;
}
/*
* On unlink we need to delete the tdb record
*/
-static int xattr_tdb_unlink(vfs_handle_struct *handle, const char *path)
+static int xattr_tdb_unlink(vfs_handle_struct *handle,
+ const struct smb_filename *smb_fname)
{
- SMB_STRUCT_STAT sbuf;
+ struct smb_filename *smb_fname_tmp = NULL;
struct file_id id;
struct db_context *db;
struct db_record *rec;
- int ret;
+ NTSTATUS status;
+ int ret = -1;
+ bool remove_record = false;
SMB_VFS_HANDLE_GET_DATA(handle, db, struct db_context, return -1);
- if (SMB_VFS_STAT(handle->conn, path, &sbuf) == -1) {
+ status = copy_smb_filename(talloc_tos(), smb_fname, &smb_fname_tmp);
+ if (!NT_STATUS_IS_OK(status)) {
+ errno = map_errno_from_nt_status(status);
return -1;
}
- ret = SMB_VFS_NEXT_UNLINK(handle, path);
+ if (lp_posix_pathnames()) {
+ ret = SMB_VFS_LSTAT(handle->conn, smb_fname_tmp);
+ } else {
+ ret = SMB_VFS_STAT(handle->conn, smb_fname_tmp);
+ }
+ if (ret == -1) {
+ goto out;
+ }
+
+ if (smb_fname_tmp->st.st_ex_nlink == 1) {
+ /* Only remove record on last link to file. */
+ remove_record = true;
+ }
+
+ ret = SMB_VFS_NEXT_UNLINK(handle, smb_fname_tmp);
if (ret == -1) {
- return -1;
+ goto out;
+ }
+
+ if (!remove_record) {
+ goto out;
}
- id = SMB_VFS_FILE_ID_CREATE(handle->conn, sbuf.st_dev, sbuf.st_ino);
+ id = SMB_VFS_FILE_ID_CREATE(handle->conn, &smb_fname_tmp->st);
rec = xattr_tdb_lock_attrs(talloc_tos(), db, &id);
TALLOC_FREE(rec);
}
- return 0;
+ out:
+ TALLOC_FREE(smb_fname_tmp);
+ return ret;
}
/*
SMB_VFS_HANDLE_GET_DATA(handle, db, struct db_context, return -1);
- if (SMB_VFS_STAT(handle->conn, path, &sbuf) == -1) {
+ if (vfs_stat_smb_fname(handle->conn, path, &sbuf) == -1) {
return -1;
}
return -1;
}
- id = SMB_VFS_FILE_ID_CREATE(handle->conn, sbuf.st_dev, sbuf.st_ino);
+ id = SMB_VFS_FILE_ID_CREATE(handle->conn, &sbuf);
rec = xattr_tdb_lock_attrs(talloc_tos(), db, &id);
static int xattr_tdb_connect(vfs_handle_struct *handle, const char *service,
const char *user)
{
- fstring sname;
+ char *sname = NULL;
int res, snum;
struct db_context *db;
return res;
}
- fstrcpy(sname, service);
- snum = find_service(sname);
- if (snum == -1) {
+ snum = find_service(talloc_tos(), service, &sname);
+ if (snum == -1 || sname == NULL) {
/*
* Should not happen, but we should not fail just *here*.
*/
return 0;
}
-/* VFS operations structure */
-
-static const vfs_op_tuple xattr_tdb_ops[] = {
- {SMB_VFS_OP(xattr_tdb_getxattr), SMB_VFS_OP_GETXATTR,
- SMB_VFS_LAYER_TRANSPARENT},
- {SMB_VFS_OP(xattr_tdb_fgetxattr), SMB_VFS_OP_FGETXATTR,
- SMB_VFS_LAYER_TRANSPARENT},
- {SMB_VFS_OP(xattr_tdb_setxattr), SMB_VFS_OP_SETXATTR,
- SMB_VFS_LAYER_TRANSPARENT},
- {SMB_VFS_OP(xattr_tdb_fsetxattr), SMB_VFS_OP_FSETXATTR,
- SMB_VFS_LAYER_TRANSPARENT},
- {SMB_VFS_OP(xattr_tdb_listxattr), SMB_VFS_OP_LISTXATTR,
- SMB_VFS_LAYER_TRANSPARENT},
- {SMB_VFS_OP(xattr_tdb_flistxattr), SMB_VFS_OP_FLISTXATTR,
- SMB_VFS_LAYER_TRANSPARENT},
- {SMB_VFS_OP(xattr_tdb_removexattr), SMB_VFS_OP_REMOVEXATTR,
- SMB_VFS_LAYER_TRANSPARENT},
- {SMB_VFS_OP(xattr_tdb_fremovexattr), SMB_VFS_OP_FREMOVEXATTR,
- SMB_VFS_LAYER_TRANSPARENT},
- {SMB_VFS_OP(xattr_tdb_unlink), SMB_VFS_OP_UNLINK,
- SMB_VFS_LAYER_TRANSPARENT},
- {SMB_VFS_OP(xattr_tdb_rmdir), SMB_VFS_OP_RMDIR,
- SMB_VFS_LAYER_TRANSPARENT},
- {SMB_VFS_OP(xattr_tdb_connect), SMB_VFS_OP_CONNECT,
- SMB_VFS_LAYER_TRANSPARENT},
- {SMB_VFS_OP(NULL), SMB_VFS_OP_NOOP, SMB_VFS_LAYER_NOOP}
+static struct vfs_fn_pointers vfs_xattr_tdb_fns = {
+ .getxattr = xattr_tdb_getxattr,
+ .fgetxattr = xattr_tdb_fgetxattr,
+ .setxattr = xattr_tdb_setxattr,
+ .fsetxattr = xattr_tdb_fsetxattr,
+ .listxattr = xattr_tdb_listxattr,
+ .flistxattr = xattr_tdb_flistxattr,
+ .removexattr = xattr_tdb_removexattr,
+ .fremovexattr = xattr_tdb_fremovexattr,
+ .unlink = xattr_tdb_unlink,
+ .rmdir = xattr_tdb_rmdir,
+ .connect_fn = xattr_tdb_connect,
};
NTSTATUS vfs_xattr_tdb_init(void);
NTSTATUS vfs_xattr_tdb_init(void)
{
return smb_register_vfs(SMB_VFS_INTERFACE_VERSION, "xattr_tdb",
- xattr_tdb_ops);
+ &vfs_xattr_tdb_fns);
}