1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
|
/*
Unix SMB/CIFS implementation.
Parameter loading functions
Copyright (C) David Mulder 2024
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/>.
*/
use chelps::{string_free, wrap_c_char, wrap_string};
use dbg::{DBG_ERR, DBG_INFO, DBG_WARNING};
use ntstatus_gen::NT_STATUS_UNSUCCESSFUL;
use std::error::Error;
use std::ffi::c_void;
use std::ptr;
use std::sync::{Arc, Mutex};
mod ffi {
#![allow(non_upper_case_globals)]
#![allow(non_camel_case_types)]
#![allow(non_snake_case)]
#![allow(dead_code)]
#![allow(clippy::upper_case_acronyms)]
include!(concat!(env!("OUT_DIR"), "/bindings.rs"));
}
pub struct LoadParm {
lp: Arc<Mutex<*mut ffi::loadparm_context>>,
}
macro_rules! lpcfg_str {
($var:ident) => {
paste::item! {
pub fn $var (&self) -> Result<Option<String>, Box<dyn Error + '_>> {
let lp = self.lp.lock()?;
let val = unsafe { ffi::[< lpcfg_ $var >] (*lp) } ;
unsafe { Ok(wrap_c_char(val)) }
}
}
};
}
macro_rules! lpcfg_i32 {
($var:ident) => {
paste::item! {
pub fn $var (&self) -> Result<i32, Box<dyn Error + '_>> {
let lp = self.lp.lock()?;
unsafe { Ok(ffi::[< lpcfg_ $var >] (*lp)) }
}
}
};
}
macro_rules! lpcfg_bool {
($var:ident) => {
paste::item! {
pub fn $var (&self) -> Result<bool, Box<dyn Error + '_>> {
let lp = self.lp.lock()?;
unsafe { Ok(ffi::[< lpcfg_ $var >] (*lp) != 0) }
}
}
};
}
impl LoadParm {
pub fn new(configfile: Option<&str>) -> Result<Self, Box<dyn Error + '_>> {
let lp = unsafe {
match configfile {
Some(configfile) => {
let configfile_cstr = wrap_string(configfile);
let lp = ffi::loadparm_init_global(0);
if ffi::lpcfg_load(lp, configfile_cstr) != 1 {
return Err(Box::new(NT_STATUS_UNSUCCESSFUL));
}
string_free(configfile_cstr);
lp
}
None => ffi::loadparm_init_global(1),
}
};
Ok(LoadParm {
lp: Arc::new(Mutex::new(lp)),
})
}
pub fn private_path(
&self,
name: &str,
) -> Result<Option<String>, Box<dyn Error + '_>> {
let lp = self.lp.lock()?;
let path = unsafe {
let name_cstr = wrap_string(name);
let path =
ffi::lpcfg_private_path(*lp as *mut c_void, *lp, name_cstr);
string_free(name_cstr);
path
};
unsafe { Ok(wrap_c_char(path)) }
}
pub fn logfile(&self) -> Result<Option<String>, Box<dyn Error + '_>> {
let lp = self.lp.lock()?;
let logfile = unsafe {
let lp_sub = ffi::lpcfg_noop_substitution();
ffi::lpcfg_logfile(*lp, lp_sub, *lp as *mut c_void)
};
unsafe { Ok(wrap_c_char(logfile)) }
}
pub fn idmap_range(
&self,
domain_name: &str,
) -> Result<(u32, u32), Box<dyn Error + '_>> {
if let Ok(Some(backend)) = self.idmap_backend(domain_name) {
if backend != "upn" {
DBG_ERR!("Backend '{}' is not supported for Entra ID", backend);
return Err(Box::new(NT_STATUS_UNSUCCESSFUL));
}
} else if domain_name != "*" {
DBG_WARNING!(
"No idmap backend configured for domain '{}'",
domain_name
);
DBG_INFO!("Falling back to default idmap configuration");
return self.idmap_range("*");
} else {
DBG_WARNING!("No idmap backend configured");
return Err(Box::new(NT_STATUS_UNSUCCESSFUL));
}
let lp = self.lp.lock()?;
let parm_name = format!("idmap config {}", domain_name);
let parm_opt = "range";
let range = unsafe {
let parm_name_cstr = wrap_string(&parm_name);
let parm_opt_cstr = wrap_string(parm_opt);
let parm_opt_value = ffi::lpcfg_parm_string(
*lp,
ptr::null_mut(),
parm_name_cstr,
parm_opt_cstr,
);
string_free(parm_name_cstr);
string_free(parm_opt_cstr);
wrap_c_char(parm_opt_value)
}
.ok_or(Box::new(NT_STATUS_UNSUCCESSFUL))?;
let parts: Vec<&str> = range.split('-').collect();
if parts.len() != 2 {
DBG_ERR!("Failed to parse the idmap range: {}", range);
return Err(Box::new(NT_STATUS_UNSUCCESSFUL));
}
Ok((parts[0].parse::<u32>()?, parts[1].parse::<u32>()?))
}
pub fn idmap_backend(
&self,
domain_name: &str,
) -> Result<Option<String>, Box<dyn Error + '_>> {
let lp = self.lp.lock()?;
let parm_name = format!("idmap config {}", domain_name);
let parm_opt = "backend";
unsafe {
let parm_name_cstr = wrap_string(&parm_name);
let parm_opt_cstr = wrap_string(parm_opt);
let parm_opt_value = ffi::lpcfg_parm_string(
*lp,
ptr::null_mut(),
parm_name_cstr,
parm_opt_cstr,
);
string_free(parm_name_cstr);
string_free(parm_opt_cstr);
Ok(wrap_c_char(parm_opt_value))
}
}
lpcfg_str!(realm);
lpcfg_str!(winbindd_socket_directory);
lpcfg_i32!(winbind_request_timeout);
lpcfg_bool!(himmelblaud_sfa_fallback);
lpcfg_bool!(himmelblaud_hello_enabled);
lpcfg_str!(cache_directory);
lpcfg_str!(template_homedir);
lpcfg_str!(template_shell);
lpcfg_str!(himmelblaud_hsm_pin_path);
}
unsafe impl Send for LoadParm {}
unsafe impl Sync for LoadParm {}
|
