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package reverse_test
import (
"bytes"
"flag"
"fmt"
"log"
"os"
"testing"
"github.com/rfjakob/gocryptfs/v2/tests/test_helpers"
)
var x240 = string(bytes.Repeat([]byte("x"), 240))
// plaintextnames is true when the currently running test has -plaintextnames active
var plaintextnames bool
// deterministic_names is true when the currently running test has -deterministic-names active
var deterministic_names bool
// dirA is a normal directory
var dirA string
// dirB is the reverse mount backed by dirA
var dirB string
// dirC is a forward mount backed by dirB
var dirC string
// Create directory "dirA", mount it reverse to "dirB", mount it forward
// to "dirC".
func TestMain(m *testing.M) {
var r int
flag.Parse()
testcases := []struct {
plaintextnames bool
deterministic_names bool
}{
{true, false},
{false, false},
{false, true},
}
for i, tc := range testcases {
// Fill the global vars
plaintextnames, deterministic_names = tc.plaintextnames, tc.deterministic_names
if testing.Verbose() {
log.Printf("TestMain: plaintextnames=%v deterministic_names=%v", plaintextnames, deterministic_names)
}
dirA, dirB, _ = newReverseFS(nil)
dirC = test_helpers.TmpDir + "/c"
if err := os.Mkdir(dirC, 0700); err != nil {
panic(err)
}
test_helpers.MountOrExit(dirB, dirC, "-extpass", "echo test")
r = m.Run()
test_helpers.UnmountPanic(dirC)
test_helpers.UnmountPanic(dirB)
os.RemoveAll(dirA)
os.RemoveAll(dirB)
os.RemoveAll(dirC)
if r != 0 {
fmt.Printf("testcases[%d] = %#v failed\n", i, tc)
os.Exit(r)
}
}
os.Exit(r)
}
// newReverseFS creates and mounts a new, empty reverse filesystem.
func newReverseFS(extraMountArgs []string) (backingDir, mntDir, ctlsockPath string) {
args := []string{"-reverse"}
if plaintextnames {
args = append(args, "-plaintextnames")
} else if deterministic_names {
args = append(args, "-deterministic-names")
}
backingDir = test_helpers.InitFS(nil, args...)
mntDir = backingDir + ".mnt"
ctlsockPath = mntDir + ".sock"
mountArgs := []string{"-reverse", "-extpass", "echo test", "-ctlsock", ctlsockPath}
mountArgs = append(mountArgs, extraMountArgs...)
test_helpers.MountOrExit(backingDir, mntDir, mountArgs...)
if testing.Verbose() {
log.Printf("newReverseFS: mounted %q on %q", backingDir, mntDir)
}
return
}
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