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-rw-r--r--source3/smbd/nttrans.c174
1 files changed, 165 insertions, 9 deletions
diff --git a/source3/smbd/nttrans.c b/source3/smbd/nttrans.c
index 3e5b07b887..f717efac63 100644
--- a/source3/smbd/nttrans.c
+++ b/source3/smbd/nttrans.c
@@ -1521,6 +1521,155 @@ int reply_ntcancel(connection_struct *conn,
}
/****************************************************************************
+ Copy a file.
+****************************************************************************/
+
+static NTSTATUS copy_internals(connection_struct *conn, char *oldname, char *newname, uint16 attrs)
+{
+ BOOL bad_path_oldname = False;
+ BOOL bad_path_newname = False;
+ SMB_STRUCT_STAT sbuf1, sbuf2;
+ pstring last_component_oldname;
+ pstring last_component_newname;
+ files_struct *fsp1,*fsp2;
+ uint16 fmode;
+ int access_mode;
+ int smb_action;
+ SMB_OFF_T ret=-1;
+ int close_ret;
+ NTSTATUS status = NT_STATUS_OK;
+
+ ZERO_STRUCT(sbuf1);
+ ZERO_STRUCT(sbuf2);
+
+ /* No wildcards. */
+ if (ms_has_wild(newname) || ms_has_wild(oldname)) {
+ return NT_STATUS_OBJECT_PATH_SYNTAX_BAD;
+ }
+
+ if (!CAN_WRITE(conn))
+ return NT_STATUS_MEDIA_WRITE_PROTECTED;
+
+ unix_convert(oldname,conn,last_component_oldname,&bad_path_oldname,&sbuf1);
+ if (bad_path_oldname) {
+ return NT_STATUS_OBJECT_PATH_NOT_FOUND;
+ }
+
+ /* Quick check for "." and ".." */
+ if (last_component_oldname[0] == '.') {
+ if (!last_component_oldname[1] || (last_component_oldname[1] == '.' && !last_component_oldname[2])) {
+ return NT_STATUS_OBJECT_NAME_INVALID;
+ }
+ }
+
+ /* Source must already exist. */
+ if (!VALID_STAT(sbuf1)) {
+ return NT_STATUS_OBJECT_NAME_NOT_FOUND;
+ }
+ if (!check_name(oldname,conn)) {
+ return NT_STATUS_ACCESS_DENIED;
+ }
+
+ /* Ensure attributes match. */
+ fmode = dos_mode(conn,oldname,&sbuf1);
+ if ((fmode & ~attrs) & (aHIDDEN | aSYSTEM))
+ return NT_STATUS_NO_SUCH_FILE;
+
+ unix_convert(newname,conn,last_component_newname,&bad_path_newname,&sbuf2);
+ if (bad_path_newname) {
+ return NT_STATUS_OBJECT_PATH_NOT_FOUND;
+ }
+
+ /* Quick check for "." and ".." */
+ if (last_component_newname[0] == '.') {
+ if (!last_component_newname[1] || (last_component_newname[1] == '.' && !last_component_newname[2])) {
+ return NT_STATUS_OBJECT_NAME_INVALID;
+ }
+ }
+
+ /* Disallow if newname already exists. */
+ if (VALID_STAT(sbuf2)) {
+ return NT_STATUS_OBJECT_NAME_COLLISION;
+ }
+
+ if (!check_name(newname,conn)) {
+ return NT_STATUS_ACCESS_DENIED;
+ }
+
+ /* No links from a directory. */
+ if (S_ISDIR(sbuf1.st_mode)) {
+ return NT_STATUS_FILE_IS_A_DIRECTORY;
+ }
+
+ /* Ensure this is within the share. */
+ if (!reduce_name(conn, oldname) != 0) {
+ return NT_STATUS_ACCESS_DENIED;
+ }
+
+ DEBUG(10,("copy_internals: doing file copy %s to %s\n", oldname, newname));
+
+ fsp1 = open_file_shared1(conn,oldname,&sbuf1,FILE_READ_DATA,SET_DENY_MODE(DENY_ALL)|SET_OPEN_MODE(DOS_OPEN_RDONLY),
+ (FILE_FAIL_IF_NOT_EXIST|FILE_EXISTS_OPEN),FILE_ATTRIBUTE_NORMAL,0,
+ &access_mode,&smb_action);
+
+ if (!fsp1) {
+ status = NT_STATUS_ACCESS_DENIED;
+ if (unix_ERR_class == ERRDOS && unix_ERR_code == ERRbadshare)
+ status = NT_STATUS_SHARING_VIOLATION;
+ unix_ERR_class = 0;
+ unix_ERR_code = 0;
+ unix_ERR_ntstatus = NT_STATUS_OK;
+ return status;
+ }
+
+ fsp2 = open_file_shared1(conn,newname,&sbuf2,FILE_WRITE_DATA,SET_DENY_MODE(DENY_ALL)|SET_OPEN_MODE(DOS_OPEN_WRONLY),
+ (FILE_CREATE_IF_NOT_EXIST|FILE_EXISTS_FAIL),fmode,INTERNAL_OPEN_ONLY,
+ &access_mode,&smb_action);
+
+ if (!fsp2) {
+ status = NT_STATUS_ACCESS_DENIED;
+ if (unix_ERR_class == ERRDOS && unix_ERR_code == ERRbadshare)
+ status = NT_STATUS_SHARING_VIOLATION;
+ unix_ERR_class = 0;
+ unix_ERR_code = 0;
+ unix_ERR_ntstatus = NT_STATUS_OK;
+ close_file(fsp1,False);
+ return status;
+ }
+
+ if (sbuf1.st_size)
+ ret = vfs_transfer_file(fsp1, fsp2, sbuf1.st_size);
+
+ /*
+ * As we are opening fsp1 read-only we only expect
+ * an error on close on fsp2 if we are out of space.
+ * Thus we don't look at the error return from the
+ * close of fsp1.
+ */
+ close_file(fsp1,False);
+
+ /* Ensure the modtime is set correctly on the destination file. */
+ fsp2->pending_modtime = sbuf1.st_mtime;
+
+ close_ret = close_file(fsp2,False);
+
+ /* Grrr. We have to do this as open_file_shared1 adds aARCH when it
+ creates the file. This isn't the correct thing to do in the copy case. JRA */
+ file_set_dosmode(conn, newname, fmode, &sbuf2);
+
+ if (ret < (SMB_OFF_T)sbuf1.st_size) {
+ return NT_STATUS_DISK_FULL;
+ }
+
+ if (close_ret != 0) {
+ status = map_nt_error_from_unix(close_ret);
+ DEBUG(3,("copy_internals: Error %s copy file %s to %s\n",
+ nt_errstr(status), oldname, newname));
+ }
+ return status;
+}
+
+/****************************************************************************
Reply to a NT rename request.
****************************************************************************/
@@ -1537,11 +1686,6 @@ int reply_ntrename(connection_struct *conn,
START_PROFILE(SMBntrename);
- if ((rename_type != RENAME_FLAG_RENAME) && (rename_type != RENAME_FLAG_HARD_LINK)) {
- END_PROFILE(SMBntrename);
- return ERROR_NT(NT_STATUS_ACCESS_DENIED);
- }
-
p = smb_buf(inbuf) + 1;
p += srvstr_get_path(inbuf, oldname, p, sizeof(oldname), 0, STR_TERMINATE, &status, True);
if (!NT_STATUS_IS_OK(status)) {
@@ -1572,10 +1716,22 @@ int reply_ntrename(connection_struct *conn,
DEBUG(3,("reply_ntrename : %s -> %s\n",oldname,newname));
- if (rename_type == RENAME_FLAG_RENAME) {
- status = rename_internals(conn, oldname, newname, attrs, False);
- } else {
- status = hardlink_internals(conn, oldname, newname);
+ switch(rename_type) {
+ case RENAME_FLAG_RENAME:
+ status = rename_internals(conn, oldname, newname, attrs, False);
+ break;
+ case RENAME_FLAG_HARD_LINK:
+ status = hardlink_internals(conn, oldname, newname);
+ break;
+ case RENAME_FLAG_COPY:
+ status = copy_internals(conn, oldname, newname, attrs);
+ break;
+ case RENAME_FLAG_MOVE_CLUSTER_INFORMATION:
+ status = NT_STATUS_INVALID_PARAMETER;
+ break;
+ default:
+ status = NT_STATUS_ACCESS_DENIED; /* Default error. */
+ break;
}
if (!NT_STATUS_IS_OK(status)) {