/* * Fake Perms VFS module. Implements passthrough operation of all VFS * calls to disk functions, except for file permissions, which are now * mode 0700 for the current uid/gid. * * Copyright (C) Tim Potter, 1999-2000 * Copyright (C) Alexander Bokovoy, 2002 * Copyright (C) Andrew Bartlett, 2002 * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 3 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, see <http://www.gnu.org/licenses/>. */ #include "includes.h" extern struct current_user current_user; #undef DBGC_CLASS #define DBGC_CLASS DBGC_VFS static int fake_perms_stat(vfs_handle_struct *handle, const char *fname, SMB_STRUCT_STAT *sbuf) { int ret = -1; ret = SMB_VFS_NEXT_STAT(handle, fname, sbuf); if (ret == 0) { if (S_ISDIR(sbuf->st_mode)) { sbuf->st_mode = S_IFDIR | S_IRWXU; } else { sbuf->st_mode = S_IRWXU; } sbuf->st_uid = current_user.ut.uid; sbuf->st_gid = current_user.ut.gid; } return ret; } static int fake_perms_fstat(vfs_handle_struct *handle, files_struct *fsp, int fd, SMB_STRUCT_STAT *sbuf) { int ret = -1; ret = SMB_VFS_NEXT_FSTAT(handle, fsp, fd, sbuf); if (ret == 0) { if (S_ISDIR(sbuf->st_mode)) { sbuf->st_mode = S_IFDIR | S_IRWXU; } else { sbuf->st_mode = S_IRWXU; } sbuf->st_uid = current_user.ut.uid; sbuf->st_gid = current_user.ut.gid; } return ret; } /* VFS operations structure */ static vfs_op_tuple fake_perms_ops[] = { {SMB_VFS_OP(fake_perms_stat), SMB_VFS_OP_STAT, SMB_VFS_LAYER_TRANSPARENT}, {SMB_VFS_OP(fake_perms_fstat), SMB_VFS_OP_FSTAT, SMB_VFS_LAYER_TRANSPARENT}, {SMB_VFS_OP(NULL), SMB_VFS_OP_NOOP, SMB_VFS_LAYER_NOOP} }; NTSTATUS vfs_fake_perms_init(void); NTSTATUS vfs_fake_perms_init(void) { return smb_register_vfs(SMB_VFS_INTERFACE_VERSION, "fake_perms", fake_perms_ops); }