| 1 | /*
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| 2 | * Fake Perms VFS module. Implements passthrough operation of all VFS
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| 3 | * calls to disk functions, except for file permissions, which are now
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| 4 | * mode 0700 for the current uid/gid.
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| 5 | *
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| 6 | * Copyright (C) Tim Potter, 1999-2000
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| 7 | * Copyright (C) Alexander Bokovoy, 2002
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| 8 | * Copyright (C) Andrew Bartlett, 2002
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| 9 | *
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| 10 | * This program is free software; you can redistribute it and/or modify
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| 11 | * it under the terms of the GNU General Public License as published by
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| 12 | * the Free Software Foundation; either version 3 of the License, or
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| 13 | * (at your option) any later version.
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| 14 | *
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| 15 | * This program is distributed in the hope that it will be useful,
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| 16 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 17 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| 18 | * GNU General Public License for more details.
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| 19 | *
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| 20 | * You should have received a copy of the GNU General Public License
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| 21 | * along with this program; if not, see <http://www.gnu.org/licenses/>.
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| 22 | */
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| 23 |
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| 24 | #include "includes.h"
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| 25 |
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| 26 | #undef DBGC_CLASS
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| 27 | #define DBGC_CLASS DBGC_VFS
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| 28 |
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| 29 | static int fake_perms_stat(vfs_handle_struct *handle,
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| 30 | struct smb_filename *smb_fname)
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| 31 | {
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| 32 | int ret = -1;
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| 33 |
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| 34 | ret = SMB_VFS_NEXT_STAT(handle, smb_fname);
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| 35 | if (ret == 0) {
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| 36 | if (S_ISDIR(smb_fname->st.st_ex_mode)) {
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| 37 | smb_fname->st.st_ex_mode = S_IFDIR | S_IRWXU;
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| 38 | } else {
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| 39 | smb_fname->st.st_ex_mode = S_IRWXU;
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| 40 | }
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| 41 | smb_fname->st.st_ex_uid = handle->conn->server_info->utok.uid;
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| 42 | smb_fname->st.st_ex_gid = handle->conn->server_info->utok.gid;
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| 43 | }
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| 44 |
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| 45 | return ret;
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| 46 | }
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| 47 |
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| 48 | static int fake_perms_fstat(vfs_handle_struct *handle, files_struct *fsp, SMB_STRUCT_STAT *sbuf)
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| 49 | {
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| 50 | int ret = -1;
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| 51 |
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| 52 | ret = SMB_VFS_NEXT_FSTAT(handle, fsp, sbuf);
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| 53 | if (ret == 0) {
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| 54 | if (S_ISDIR(sbuf->st_ex_mode)) {
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| 55 | sbuf->st_ex_mode = S_IFDIR | S_IRWXU;
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| 56 | } else {
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| 57 | sbuf->st_ex_mode = S_IRWXU;
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| 58 | }
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| 59 | sbuf->st_ex_uid = handle->conn->server_info->utok.uid;
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| 60 | sbuf->st_ex_gid = handle->conn->server_info->utok.gid;
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| 61 | }
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| 62 | return ret;
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| 63 | }
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| 64 |
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| 65 | static struct vfs_fn_pointers vfs_fake_perms_fns = {
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| 66 | .stat = fake_perms_stat,
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| 67 | .fstat = fake_perms_fstat
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| 68 | };
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| 69 |
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| 70 | NTSTATUS vfs_fake_perms_init(void);
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| 71 | NTSTATUS vfs_fake_perms_init(void)
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| 72 | {
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| 73 | return smb_register_vfs(SMB_VFS_INTERFACE_VERSION, "fake_perms",
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| 74 | &vfs_fake_perms_fns);
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| 75 | }
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