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package reverse_test
import (
"io/ioutil"
"syscall"
"testing"
"time"
"github.com/rfjakob/gocryptfs/internal/ctlsock"
"github.com/rfjakob/gocryptfs/tests/test_helpers"
)
var ctlSockTestCases = [][]string{
{"4RQq1dJlfvQPaVU5Xypf0w==", "file"},
{"gocryptfs.longname.ZQCAoi5li3xvDZRO8McBV0L_kzJc4IcAOEzuW-2S1Y4=", "longfile." + x240},
{"v6puXntoQOk7Mhl8zJ4Idg==", "dir"},
{"v6puXntoQOk7Mhl8zJ4Idg==/UVy2gV0RQTUC8AE4wYoMwg==", "dir/file"},
{"v6puXntoQOk7Mhl8zJ4Idg==/fvHFLHlxHCQ7EpVMJu0AZg==", "dir/dir"},
{"v6puXntoQOk7Mhl8zJ4Idg==/fvHFLHlxHCQ7EpVMJu0AZg==/_4uudIGniACke55JoDsqDA==", "dir/dir/dir"},
{"v6puXntoQOk7Mhl8zJ4Idg==/fvHFLHlxHCQ7EpVMJu0AZg==/QvPahkkeVRKTw2kdZFZxwQ==", "dir/dir/file"},
{"v6puXntoQOk7Mhl8zJ4Idg==/gocryptfs.longname.y6rxCn6Id8hIZL2t_STpdLZpu-aE2HpprJR25xD60mk=", "dir/longfile." + x240},
{"gocryptfs.longname.cvRximo1ATRJVEzw_V9MZieHFlod9y2iv2Sug1kbiTE=", "longdir." + x240},
{"gocryptfs.longname.cvRximo1ATRJVEzw_V9MZieHFlod9y2iv2Sug1kbiTE=/-LMdFgFt6UxO-z5iJvuC9w==", "longdir." + x240 + "/dir"},
{"gocryptfs.longname.cvRximo1ATRJVEzw_V9MZieHFlod9y2iv2Sug1kbiTE=/rBPJYAzcHWLdPj1T8kgh8A==", "longdir." + x240 + "/file"},
}
// Test DecryptPath and EncryptPath
func TestCtlSockPathOps(t *testing.T) {
if plaintextnames {
t.Skip("this only tests encrypted names")
}
mnt, err := ioutil.TempDir(test_helpers.TmpDir, "reverse_mnt_")
if err != nil {
t.Fatal(err)
}
sock := mnt + ".sock"
test_helpers.MountOrFatal(t, "ctlsock_reverse_test_fs", mnt, "-reverse", "-extpass", "echo test", "-ctlsock="+sock)
defer test_helpers.UnmountPanic(mnt)
var req ctlsock.RequestStruct
var response ctlsock.ResponseStruct
for i, tc := range ctlSockTestCases {
// Decrypt
req = ctlsock.RequestStruct{DecryptPath: tc[0]}
response = test_helpers.QueryCtlSock(t, sock, req)
if response.ErrNo != 0 {
t.Errorf("Testcase %d Decrypt: %q ErrNo=%d ErrText=%s", i, tc[0], response.ErrNo, response.ErrText)
} else if response.Result != tc[1] {
t.Errorf("Testcase %d Decrypt: Want %q got %q", i, tc[1], response.Result)
}
// Encrypt
req = ctlsock.RequestStruct{EncryptPath: tc[1]}
response = test_helpers.QueryCtlSock(t, sock, req)
if response.ErrNo != 0 {
t.Errorf("Testcase %d Encrypt: %q ErrNo=%d ErrText=%s", i, tc[0], response.ErrNo, response.ErrText)
} else if response.Result != tc[0] {
t.Errorf("Testcase %d Encrypt: Want %q got %q", i, tc[1], response.Result)
}
}
// At this point the longname parent cache should be populated.
// Check that we do not mix up information for different directories.
req = ctlsock.RequestStruct{DecryptPath: "gocryptfs.longname.y6rxCn6Id8hIZL2t_STpdLZpu-aE2HpprJR25xD60mk="}
response = test_helpers.QueryCtlSock(t, sock, req)
if response.ErrNo != int32(syscall.ENOENT) {
t.Errorf("File should not exist: ErrNo=%d ErrText=%s", response.ErrNo, response.ErrText)
}
req = ctlsock.RequestStruct{DecryptPath: "v6puXntoQOk7Mhl8zJ4Idg==/gocryptfs.longname.ZQCAoi5li3xvDZRO8McBV0L_kzJc4IcAOEzuW-2S1Y4="}
response = test_helpers.QueryCtlSock(t, sock, req)
if response.ErrNo != int32(syscall.ENOENT) {
t.Errorf("File should not exist: ErrNo=%d ErrText=%s", response.ErrNo, response.ErrText)
}
// Give the running gocryptfs process a little bit of time to close lingering
// sockets. Avoid triggering the FD leak detector.
time.Sleep(1 * time.Millisecond)
}
// We should not panic when somebody feeds requests that make no sense
func TestCtlSockCrash(t *testing.T) {
if plaintextnames {
t.Skip("this only tests encrypted names")
}
mnt, err := ioutil.TempDir(test_helpers.TmpDir, "reverse_mnt_")
if err != nil {
t.Fatal(err)
}
sock := mnt + ".sock"
test_helpers.MountOrFatal(t, "ctlsock_reverse_test_fs", mnt, "-reverse", "-extpass", "echo test", "-ctlsock="+sock,
"-wpanic=0", "-nosyslog=0")
defer test_helpers.UnmountPanic(mnt)
// Try to crash it
req := ctlsock.RequestStruct{DecryptPath: "gocryptfs.longname.XXX_TestCtlSockCrash_XXX.name"}
test_helpers.QueryCtlSock(t, sock, req)
// Give the running gocryptfs process a little bit of time to close lingering
// sockets. Avoid triggering the FD leak detector.
time.Sleep(1 * time.Millisecond)
}
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