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
|
package helper_test
import (
"io"
"os"
"strconv"
"syscall"
"testing"
"git.ophivana.moe/cat/fortify/helper"
)
func TestHelperChildStub(t *testing.T) {
// this test mocks the helper process
if os.Getenv(helper.FortifyHelper) != "1" {
return
}
// simulate args pipe behaviour
func() {
f := os.NewFile(3, "|0")
if f == nil {
panic("attempted to start helper without args pipe")
}
if _, err := io.Copy(os.Stdout, f); err != nil {
panic("cannot read args: " + err.Error())
}
}()
var wait chan struct{}
// simulate status pipe behaviour
if os.Getenv(helper.FortifyStatus) == "1" {
wait = make(chan struct{})
go func() {
f := os.NewFile(4, "|1")
if f == nil {
panic("attempted to start with status reporting without status pipe")
}
if _, err := f.Write([]byte{'x'}); err != nil {
panic("cannot write to status pipe: " + err.Error())
}
// wait for status pipe close
var epoll int
if fd, err := syscall.EpollCreate1(0); err != nil {
panic("cannot open epoll fd: " + err.Error())
} else {
defer func() {
if err = syscall.Close(fd); err != nil {
panic("cannot close epoll fd: " + err.Error())
}
}()
epoll = fd
}
if err := syscall.EpollCtl(epoll, syscall.EPOLL_CTL_ADD, int(f.Fd()), &syscall.EpollEvent{}); err != nil {
panic("cannot add status pipe to epoll: " + err.Error())
}
events := make([]syscall.EpollEvent, 1)
if _, err := syscall.EpollWait(epoll, events, -1); err != nil {
panic("cannot poll status pipe: " + err.Error())
}
if events[0].Events != syscall.EPOLLERR {
panic(strconv.Itoa(int(events[0].Events)))
}
close(wait)
}()
}
if wait != nil {
<-wait
}
}
|
