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
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
|
extern crate bytes;
#[cfg(any(target_os = "android", target_os = "linux"))]
extern crate caps;
#[macro_use]
extern crate cfg_if;
#[macro_use]
extern crate nix;
#[macro_use]
extern crate lazy_static;
extern crate libc;
extern crate rand;
#[cfg(target_os = "freebsd")]
extern crate sysctl;
extern crate tempfile;
extern crate semver;
cfg_if! {
if #[cfg(any(target_os = "android", target_os = "linux"))] {
macro_rules! require_capability {
($capname:ident) => {
use ::caps::{Capability, CapSet, has_cap};
use ::std::io::{self, Write};
if !has_cap(None, CapSet::Effective, Capability::$capname)
.unwrap()
{
let stderr = io::stderr();
let mut handle = stderr.lock();
writeln!(handle,
"Insufficient capabilities. Skipping test.")
.unwrap();
return;
}
}
}
} else {
macro_rules! require_capability {
($capname:ident) => {}
}
}
}
#[cfg(target_os = "freebsd")]
macro_rules! skip_if_jailed {
($name:expr) => {
use ::sysctl::CtlValue;
if let CtlValue::Int(1) = ::sysctl::value("security.jail.jailed")
.unwrap()
{
use ::std::io::Write;
let stderr = ::std::io::stderr();
let mut handle = stderr.lock();
writeln!(handle, "{} cannot run in a jail. Skipping test.", $name)
.unwrap();
return;
}
}
}
macro_rules! skip_if_not_root {
($name:expr) => {
use nix::unistd::Uid;
if !Uid::current().is_root() {
use ::std::io::Write;
let stderr = ::std::io::stderr();
let mut handle = stderr.lock();
writeln!(handle, "{} requires root privileges. Skipping test.", $name).unwrap();
return;
}
};
}
cfg_if! {
if #[cfg(any(target_os = "android", target_os = "linux"))] {
macro_rules! skip_if_seccomp {
($name:expr) => {
if let Ok(s) = std::fs::read_to_string("/proc/self/status") {
for l in s.lines() {
let mut fields = l.split_whitespace();
if fields.next() == Some("Seccomp:") &&
fields.next() != Some("0")
{
use ::std::io::Write;
let stderr = ::std::io::stderr();
let mut handle = stderr.lock();
writeln!(handle,
"{} cannot be run in Seccomp mode. Skipping test.",
stringify!($name)).unwrap();
return;
}
}
}
}
}
} else {
macro_rules! skip_if_seccomp {
($name:expr) => {}
}
}
}
cfg_if! {
if #[cfg(target_os = "linux")] {
macro_rules! require_kernel_version {
($name:expr, $version_requirement:expr) => {
use ::std::io::Write;
use semver::{Version, VersionReq};
let version_requirement = VersionReq::parse($version_requirement)
.expect("Bad match_version provided");
let uname = nix::sys::utsname::uname();
let mut version = Version::parse(uname.release()).unwrap();
//Keep only numeric parts
version.pre.clear();
version.build.clear();
if !version_requirement.matches(&version) {
let stderr = ::std::io::stderr();
let mut handle = stderr.lock();
writeln!(handle,
"Skip {} because kernel version `{}` doesn't match the requirement `{}`",
stringify!($name), version, version_requirement).unwrap();
return;
}
}
}
}
}
mod sys;
mod test_dir;
mod test_fcntl;
#[cfg(any(target_os = "android",
target_os = "linux"))]
mod test_kmod;
#[cfg(any(target_os = "dragonfly",
target_os = "freebsd",
target_os = "fushsia",
target_os = "linux",
target_os = "netbsd"))]
mod test_mq;
mod test_net;
mod test_nix_path;
mod test_poll;
mod test_pty;
#[cfg(any(target_os = "android",
target_os = "linux"))]
mod test_sched;
#[cfg(any(target_os = "android",
target_os = "freebsd",
target_os = "ios",
target_os = "linux",
target_os = "macos"))]
mod test_sendfile;
mod test_stat;
mod test_unistd;
use std::os::unix::io::RawFd;
use std::path::PathBuf;
use std::sync::{Mutex, RwLock, RwLockWriteGuard};
use nix::unistd::{chdir, getcwd, read};
/// Helper function analogous to `std::io::Read::read_exact`, but for `RawFD`s
fn read_exact(f: RawFd, buf: &mut [u8]) {
let mut len = 0;
while len < buf.len() {
// get_mut would be better than split_at_mut, but it requires nightly
let (_, remaining) = buf.split_at_mut(len);
len += read(f, remaining).unwrap();
}
}
lazy_static! {
/// Any test that changes the process's current working directory must grab
/// the RwLock exclusively. Any process that cares about the current
/// working directory must grab it shared.
pub static ref CWD_LOCK: RwLock<()> = RwLock::new(());
/// Any test that creates child processes must grab this mutex, regardless
/// of what it does with those children.
pub static ref FORK_MTX: Mutex<()> = Mutex::new(());
/// Any test that changes the process's supplementary groups must grab this
/// mutex
pub static ref GROUPS_MTX: Mutex<()> = Mutex::new(());
/// Any tests that loads or unloads kernel modules must grab this mutex
pub static ref KMOD_MTX: Mutex<()> = Mutex::new(());
/// Any test that calls ptsname(3) must grab this mutex.
pub static ref PTSNAME_MTX: Mutex<()> = Mutex::new(());
/// Any test that alters signal handling must grab this mutex.
pub static ref SIGNAL_MTX: Mutex<()> = Mutex::new(());
}
/// RAII object that restores a test's original directory on drop
struct DirRestore<'a> {
d: PathBuf,
_g: RwLockWriteGuard<'a, ()>
}
impl<'a> DirRestore<'a> {
fn new() -> Self {
let guard = ::CWD_LOCK.write()
.expect("Lock got poisoned by another test");
DirRestore{
_g: guard,
d: getcwd().unwrap(),
}
}
}
impl<'a> Drop for DirRestore<'a> {
fn drop(&mut self) {
let r = chdir(&self.d);
if std::thread::panicking() {
r.unwrap();
}
}
}
|
