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
|
// Take a look at the license at the top of the repository in the LICENSE file.
use crate::sys::utils::to_str;
use crate::{
common::{Gid, Uid},
User,
};
use std::ptr::null_mut;
use winapi::shared::lmcons::{MAX_PREFERRED_LENGTH, NET_API_STATUS};
use winapi::shared::minwindef::DWORD;
use winapi::shared::ntstatus::STATUS_SUCCESS;
use winapi::shared::winerror::ERROR_MORE_DATA;
use winapi::um::lmaccess::{NetUserEnum, NetUserGetLocalGroups};
use winapi::um::lmaccess::{
FILTER_NORMAL_ACCOUNT, LG_INCLUDE_INDIRECT, LPLOCALGROUP_USERS_INFO_0, USER_INFO_0,
};
use winapi::um::lmapibuf::NetApiBufferFree;
use winapi::um::ntlsa::{
LsaEnumerateLogonSessions, LsaFreeReturnBuffer, LsaGetLogonSessionData,
PSECURITY_LOGON_SESSION_DATA,
};
use winapi::um::winnt::{LPWSTR, PLUID};
// FIXME: once this is mreged in winapi, it can be removed.
#[allow(non_upper_case_globals)]
const NERR_Success: NET_API_STATUS = 0;
unsafe fn get_groups_for_user(username: LPWSTR) -> Vec<String> {
let mut buf: LPLOCALGROUP_USERS_INFO_0 = null_mut();
let mut nb_entries = 0;
let mut total_entries = 0;
let mut groups;
let status = NetUserGetLocalGroups(
[0u16].as_ptr(),
username,
0,
LG_INCLUDE_INDIRECT,
&mut buf as *mut _ as _,
MAX_PREFERRED_LENGTH,
&mut nb_entries,
&mut total_entries,
);
if status == NERR_Success {
groups = Vec::with_capacity(nb_entries as _);
if !buf.is_null() {
for i in 0..nb_entries {
let tmp = buf.offset(i as _);
if tmp.is_null() {
break;
}
groups.push(to_str((*tmp).lgrui0_name));
}
}
} else {
groups = Vec::new();
sysinfo_debug!("NetUserGetLocalGroups failed with ret code {}", status);
}
if !buf.is_null() {
NetApiBufferFree(buf as *mut _);
}
groups
}
// FIXME: For now, the Uid is the user name, which is quite bad. Normally, there is `PSID` for
// that. But when getting the `PSID` from the processes, it doesn't match the ones we have for
// the users (`EqualSid`). Anyway, until I have time and motivation to fix this. It'll remain
// like that...
pub unsafe fn get_users() -> Vec<User> {
let mut users = Vec::new();
let mut buffer: *mut USER_INFO_0 = null_mut();
let mut nb_read = 0;
let mut total = 0;
let mut resume_handle: DWORD = 0;
loop {
let status = NetUserEnum(
null_mut(),
0,
FILTER_NORMAL_ACCOUNT,
&mut buffer as *mut _ as *mut _,
MAX_PREFERRED_LENGTH,
&mut nb_read,
&mut total,
&mut resume_handle as *mut _ as *mut _,
);
if status == NERR_Success || status == ERROR_MORE_DATA {
let entries: &[USER_INFO_0] = std::slice::from_raw_parts(buffer, nb_read as _);
for entry in entries {
if entry.usri0_name.is_null() {
continue;
}
// let mut user: *mut USER_INFO_23 = null_mut();
// if NetUserGetInfo(
// null_mut(),
// entry.usri0_name,
// 23,
// &mut user as *mut _ as *mut _,
// ) == NERR_Success
// {
// let groups = get_groups_for_user((*user).usri23_name);
// users.push(User {
// uid: Uid(name.clone().into_boxed_str()),
// gid: Gid(0),
// name: to_str((*user).usri23_name),
// groups,
// });
// }
// if !user.is_null() {
// NetApiBufferFree(user as *mut _);
// }
let groups = get_groups_for_user(entry.usri0_name);
let name = to_str(entry.usri0_name);
users.push(User {
uid: Uid(name.clone().into_boxed_str()),
gid: Gid(0),
name,
groups,
});
}
} else {
sysinfo_debug!(
"NetUserEnum error: {}",
if status == winapi::shared::winerror::ERROR_ACCESS_DENIED {
"access denied"
} else if status == winapi::shared::winerror::ERROR_INVALID_LEVEL {
"invalid level"
} else {
"unknown error"
}
);
}
if !buffer.is_null() {
NetApiBufferFree(buffer as *mut _);
buffer = null_mut();
}
if status != ERROR_MORE_DATA {
break;
}
}
// First part done. Second part now!
let mut nb_sessions = 0;
let mut uids: PLUID = null_mut();
if LsaEnumerateLogonSessions(&mut nb_sessions, &mut uids) != STATUS_SUCCESS {
sysinfo_debug!("LsaEnumerateLogonSessions failed");
} else {
for offset in 0..nb_sessions {
let entry = uids.add(offset as _);
let mut data: PSECURITY_LOGON_SESSION_DATA = null_mut();
if LsaGetLogonSessionData(entry, &mut data) == STATUS_SUCCESS && !data.is_null() {
let data = *data;
if data.LogonType == winapi::um::ntlsa::Network {
continue;
}
let name = to_str(data.UserName.Buffer);
if users.iter().any(|u| u.name == name) {
continue;
}
users.push(User {
uid: Uid(name.clone().into_boxed_str()),
gid: Gid(0),
name,
// There is no local groups for a non-local user.
groups: Vec::new(),
});
}
if !data.is_null() {
LsaFreeReturnBuffer(data as *mut _);
}
}
}
users
}
|
