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80 lines
2.2 KiB
C
80 lines
2.2 KiB
C
/*
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* Fake Perms VFS module. Implements passthrough operation of all VFS
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* calls to disk functions, except for file permissions, which are now
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* mode 0700 for the current uid/gid.
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*
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* Copyright (C) Tim Potter, 1999-2000
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* Copyright (C) Alexander Bokovoy, 2002
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* Copyright (C) Andrew Bartlett, 2002
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*
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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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*
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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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*
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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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*/
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#include "includes.h"
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extern struct current_user current_user;
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#undef DBGC_CLASS
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#define DBGC_CLASS DBGC_VFS
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static int fake_perms_stat(vfs_handle_struct *handle, const char *fname, SMB_STRUCT_STAT *sbuf)
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{
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int ret = -1;
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ret = SMB_VFS_NEXT_STAT(handle, fname, sbuf);
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if (ret == 0) {
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if (S_ISDIR(sbuf->st_mode)) {
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sbuf->st_mode = S_IFDIR | S_IRWXU;
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} else {
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sbuf->st_mode = S_IRWXU;
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}
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sbuf->st_uid = current_user.ut.uid;
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sbuf->st_gid = current_user.ut.gid;
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}
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return ret;
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}
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static int fake_perms_fstat(vfs_handle_struct *handle, files_struct *fsp, SMB_STRUCT_STAT *sbuf)
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{
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int ret = -1;
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ret = SMB_VFS_NEXT_FSTAT(handle, fsp, sbuf);
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if (ret == 0) {
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if (S_ISDIR(sbuf->st_mode)) {
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sbuf->st_mode = S_IFDIR | S_IRWXU;
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} else {
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sbuf->st_mode = S_IRWXU;
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}
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sbuf->st_uid = current_user.ut.uid;
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sbuf->st_gid = current_user.ut.gid;
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}
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return ret;
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}
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/* VFS operations structure */
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static vfs_op_tuple fake_perms_ops[] = {
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{SMB_VFS_OP(fake_perms_stat), SMB_VFS_OP_STAT, SMB_VFS_LAYER_TRANSPARENT},
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{SMB_VFS_OP(fake_perms_fstat), SMB_VFS_OP_FSTAT, SMB_VFS_LAYER_TRANSPARENT},
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{SMB_VFS_OP(NULL), SMB_VFS_OP_NOOP, SMB_VFS_LAYER_NOOP}
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};
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NTSTATUS vfs_fake_perms_init(void);
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NTSTATUS vfs_fake_perms_init(void)
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{
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return smb_register_vfs(SMB_VFS_INTERFACE_VERSION, "fake_perms", fake_perms_ops);
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}
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