2 NNCP -- Node to Node copy, utilities for store-and-forward data exchange
3 Copyright (C) 2016-2019 Sergey Matveev <stargrave@stargrave.org>
5 This program is free software: you can redistribute it and/or modify
6 it under the terms of the GNU General Public License as published by
7 the Free Software Foundation, version 3 of the License.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
14 You should have received a copy of the GNU General Public License
15 along with this program. If not, see <http://www.gnu.org/licenses/>.
33 xdr "github.com/davecgh/go-xdr/xdr2"
34 "golang.org/x/crypto/blake2b"
41 func dirFiles(path string) []string {
42 dir, err := os.Open(path)
47 names, err := dir.Readdirnames(0)
54 func TestTossExec(t *testing.T) {
55 f := func(replyNice uint8, handleRaw uint32, recipients [16]uint8) bool {
56 handle := strconv.Itoa(int(handleRaw))
57 for i, recipient := range recipients {
58 recipients[i] = recipient % 8
60 spool, err := ioutil.TempDir("", "testtoss")
64 defer os.RemoveAll(spool)
65 nodeOur, err := NewNodeGenerate()
74 Neigh: make(map[NodeId]*Node),
75 Alias: make(map[string]*NodeId),
76 LogPath: filepath.Join(spool, "log.log"),
79 ctx.Neigh[*nodeOur.Id] = nodeOur.Their()
80 privates := make(map[uint8]*NodeOur)
81 for _, recipient := range recipients {
82 if _, exists := privates[recipient]; exists {
85 our, err := NewNodeGenerate()
90 privates[recipient] = our
91 ctx.Neigh[*our.Id] = our.Their()
93 for _, recipient := range recipients {
95 ctx.Neigh[*privates[recipient].Id],
99 []string{"arg0", "arg1"},
100 strings.NewReader("BODY\n"),
107 for _, recipient := range recipients {
108 ctx.Self = privates[recipient]
109 rxPath := filepath.Join(spool, ctx.Self.Id.String(), string(TRx))
110 os.Rename(filepath.Join(spool, ctx.Self.Id.String(), string(TTx)), rxPath)
111 if len(dirFiles(rxPath)) == 0 {
114 ctx.Toss(ctx.Self.Id, DefaultNiceExec-1, false, false, false, false, false, false)
115 if len(dirFiles(rxPath)) == 0 {
118 ctx.Neigh[*nodeOur.Id].Exec = make(map[string][]string)
119 ctx.Neigh[*nodeOur.Id].Exec[handle] = []string{"/bin/sh", "-c", "false"}
120 ctx.Toss(ctx.Self.Id, DefaultNiceExec, false, false, false, false, false, false)
121 if len(dirFiles(rxPath)) == 0 {
124 ctx.Neigh[*nodeOur.Id].Exec[handle] = []string{
127 "echo $NNCP_NICE $0 $1 >> %s ; cat >> %s",
128 filepath.Join(spool, "mbox"),
129 filepath.Join(spool, "mbox"),
132 ctx.Toss(ctx.Self.Id, DefaultNiceExec, false, false, false, false, false, false)
133 if len(dirFiles(rxPath)) != 0 {
137 mbox, err := ioutil.ReadFile(filepath.Join(spool, "mbox"))
141 expected := make([]byte, 0, 16)
142 for i := 0; i < 16; i++ {
145 []byte(fmt.Sprintf("%d arg0 arg1\n", replyNice))...,
147 expected = append(expected, []byte("BODY\n")...)
149 return bytes.Compare(mbox, expected) == 0
151 if err := quick.Check(f, nil); err != nil {
156 func TestTossFile(t *testing.T) {
157 f := func(fileSizes []uint8) bool {
158 if len(fileSizes) == 0 {
161 files := make(map[string][]byte)
162 for i, fileSize := range fileSizes {
163 data := make([]byte, fileSize)
164 if _, err := io.ReadFull(rand.Reader, data); err != nil {
167 files[strconv.Itoa(i)] = data
169 spool, err := ioutil.TempDir("", "testtoss")
173 defer os.RemoveAll(spool)
174 nodeOur, err := NewNodeGenerate()
183 Neigh: make(map[NodeId]*Node),
184 Alias: make(map[string]*NodeId),
185 LogPath: filepath.Join(spool, "log.log"),
188 ctx.Neigh[*nodeOur.Id] = nodeOur.Their()
189 incomingPath := filepath.Join(spool, "incoming")
190 for _, fileData := range files {
191 checksum := blake2b.Sum256(fileData)
192 fileName := ToBase32(checksum[:])
193 src := filepath.Join(spool, fileName)
194 if err := ioutil.WriteFile(src, fileData, os.FileMode(0600)); err != nil {
197 if err := ctx.TxFile(
198 ctx.Neigh[*nodeOur.Id],
210 rxPath := filepath.Join(spool, ctx.Self.Id.String(), string(TRx))
211 os.Rename(filepath.Join(spool, ctx.Self.Id.String(), string(TTx)), rxPath)
212 ctx.Toss(ctx.Self.Id, DefaultNiceFile, false, false, false, false, false, false)
213 if len(dirFiles(rxPath)) == 0 {
216 ctx.Neigh[*nodeOur.Id].Incoming = &incomingPath
217 ctx.Toss(ctx.Self.Id, DefaultNiceFile, false, false, false, false, false, false)
218 if len(dirFiles(rxPath)) != 0 {
221 for _, fileData := range files {
222 checksum := blake2b.Sum256(fileData)
223 fileName := ToBase32(checksum[:])
224 data, err := ioutil.ReadFile(filepath.Join(incomingPath, fileName))
228 if bytes.Compare(data, fileData) != 0 {
234 if err := quick.Check(f, nil); err != nil {
239 func TestTossFileSameName(t *testing.T) {
240 f := func(filesRaw uint8) bool {
241 files := int(filesRaw)%8 + 1
242 spool, err := ioutil.TempDir("", "testtoss")
246 defer os.RemoveAll(spool)
247 nodeOur, err := NewNodeGenerate()
256 Neigh: make(map[NodeId]*Node),
257 Alias: make(map[string]*NodeId),
258 LogPath: filepath.Join(spool, "log.log"),
261 ctx.Neigh[*nodeOur.Id] = nodeOur.Their()
262 srcPath := filepath.Join(spool, "junk")
263 if err = ioutil.WriteFile(
265 []byte("doesnotmatter"),
271 incomingPath := filepath.Join(spool, "incoming")
272 for i := 0; i < files; i++ {
273 if err := ctx.TxFile(
274 ctx.Neigh[*nodeOur.Id],
286 rxPath := filepath.Join(spool, ctx.Self.Id.String(), string(TRx))
287 os.Rename(filepath.Join(spool, ctx.Self.Id.String(), string(TTx)), rxPath)
288 ctx.Neigh[*nodeOur.Id].Incoming = &incomingPath
289 ctx.Toss(ctx.Self.Id, DefaultNiceFile, false, false, false, false, false, false)
290 expected := make(map[string]struct{})
291 expected["samefile"] = struct{}{}
292 for i := 0; i < files-1; i++ {
293 expected["samefile."+strconv.Itoa(i)] = struct{}{}
295 for _, filename := range dirFiles(incomingPath) {
296 if _, exists := expected[filename]; !exists {
299 delete(expected, filename)
301 if len(expected) != 0 {
306 if err := quick.Check(f, nil); err != nil {
311 func TestTossFreq(t *testing.T) {
312 f := func(fileSizes []uint8, replyNice uint8) bool {
313 if len(fileSizes) == 0 {
316 spool, err := ioutil.TempDir("", "testtoss")
320 defer os.RemoveAll(spool)
321 nodeOur, err := NewNodeGenerate()
330 Neigh: make(map[NodeId]*Node),
331 Alias: make(map[string]*NodeId),
332 LogPath: filepath.Join(spool, "log.log"),
335 ctx.Neigh[*nodeOur.Id] = nodeOur.Their()
336 files := make(map[string][]byte)
337 for i, fileSize := range fileSizes {
338 fileData := make([]byte, fileSize)
339 if _, err := io.ReadFull(rand.Reader, fileData); err != nil {
342 fileName := strconv.Itoa(i)
343 files[fileName] = fileData
344 if err := ctx.TxFreq(
345 ctx.Neigh[*nodeOur.Id],
356 rxPath := filepath.Join(spool, ctx.Self.Id.String(), string(TRx))
357 txPath := filepath.Join(spool, ctx.Self.Id.String(), string(TTx))
358 os.Rename(txPath, rxPath)
359 os.MkdirAll(txPath, os.FileMode(0700))
360 ctx.Toss(ctx.Self.Id, DefaultNiceFreq, false, false, false, false, false, false)
361 if len(dirFiles(txPath)) != 0 || len(dirFiles(rxPath)) == 0 {
364 ctx.Neigh[*nodeOur.Id].FreqPath = &spool
365 ctx.Toss(ctx.Self.Id, DefaultNiceFreq, false, false, false, false, false, false)
366 if len(dirFiles(txPath)) != 0 || len(dirFiles(rxPath)) == 0 {
369 for fileName, fileData := range files {
370 if err := ioutil.WriteFile(
371 filepath.Join(spool, fileName),
378 ctx.Toss(ctx.Self.Id, DefaultNiceFreq, false, false, false, false, false, false)
379 if len(dirFiles(txPath)) == 0 || len(dirFiles(rxPath)) != 0 {
382 for job := range ctx.Jobs(ctx.Self.Id, TTx) {
384 _, _, err := PktEncRead(ctx.Self, ctx.Neigh, job.Fd, &buf)
390 if _, err = xdr.Unmarshal(&buf, &pkt); err != nil {
394 if pkt.Nice != replyNice {
397 dst := string(pkt.Path[:int(pkt.PathLen)])
398 if bytes.Compare(buf.Bytes(), files[dst]) != 0 {
404 if err := quick.Check(f, nil); err != nil {
409 func TestTossTrns(t *testing.T) {
410 f := func(datumLens []uint8) bool {
411 if len(datumLens) == 0 {
414 datum := make(map[int][]byte)
415 for i, datumLen := range datumLens {
417 data := make([]byte, datumLen)
418 if _, err := io.ReadFull(rand.Reader, data); err != nil {
423 spool, err := ioutil.TempDir("", "testtoss")
427 defer os.RemoveAll(spool)
428 nodeOur, err := NewNodeGenerate()
437 Neigh: make(map[NodeId]*Node),
438 Alias: make(map[string]*NodeId),
439 LogPath: filepath.Join(spool, "log.log"),
442 ctx.Neigh[*nodeOur.Id] = nodeOur.Their()
443 rxPath := filepath.Join(spool, ctx.Self.Id.String(), string(TRx))
444 os.MkdirAll(rxPath, os.FileMode(0700))
445 txPath := filepath.Join(spool, ctx.Self.Id.String(), string(TTx))
446 os.MkdirAll(txPath, os.FileMode(0700))
447 for _, data := range datum {
451 PathLen: blake2b.Size256,
452 Path: new([MaxPathSize]byte),
454 copy(pktTrans.Path[:], nodeOur.Id[:])
456 if err := PktEncWrite(
458 ctx.Neigh[*nodeOur.Id],
463 bytes.NewReader(data),
469 checksum := blake2b.Sum256(dst.Bytes())
470 if err := ioutil.WriteFile(
471 filepath.Join(rxPath, ToBase32(checksum[:])),
478 ctx.Toss(ctx.Self.Id, 123, false, false, false, false, false, false)
479 if len(dirFiles(rxPath)) != 0 {
482 for _, filename := range dirFiles(txPath) {
483 dataRead, err := ioutil.ReadFile(filepath.Join(txPath, filename))
487 for k, data := range datum {
488 if bytes.Compare(dataRead, data) == 0 {
498 if err := quick.Check(f, nil); err != nil {