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6d741e918f
This brings this structure one step closer to the struct auth_session_info. A few SMB_ASSERT calls are added in some key places to ensure that this pointer is initialised, to make tracing any bugs here easier in future. NOTE: Many of the users of this structure should be reviewed, as unix and NT access checks are mixed in a way that should just be done using the NT ACL. This patch has not changed this behaviour however. Andrew Bartlett Signed-off-by: Andrew Tridgell <tridge@samba.org>
79 lines
2.3 KiB
C
79 lines
2.3 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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#include "smbd/smbd.h"
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#include "system/filesys.h"
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#include "auth.h"
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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,
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struct smb_filename *smb_fname)
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{
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int ret = -1;
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ret = SMB_VFS_NEXT_STAT(handle, smb_fname);
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if (ret == 0) {
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if (S_ISDIR(smb_fname->st.st_ex_mode)) {
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smb_fname->st.st_ex_mode = S_IFDIR | S_IRWXU;
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} else {
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smb_fname->st.st_ex_mode = S_IRWXU;
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}
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smb_fname->st.st_ex_uid = handle->conn->session_info->unix_token->uid;
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smb_fname->st.st_ex_gid = handle->conn->session_info->unix_token->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_ex_mode)) {
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sbuf->st_ex_mode = S_IFDIR | S_IRWXU;
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} else {
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sbuf->st_ex_mode = S_IRWXU;
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}
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sbuf->st_ex_uid = handle->conn->session_info->unix_token->uid;
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sbuf->st_ex_gid = handle->conn->session_info->unix_token->gid;
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}
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return ret;
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}
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static struct vfs_fn_pointers vfs_fake_perms_fns = {
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.stat = fake_perms_stat,
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.fstat = fake_perms_fstat
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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",
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&vfs_fake_perms_fns);
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}
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