mirror of https://github.com/schollz/croc.git
commit
35106d4dbe
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@ -198,6 +198,7 @@ func send(c *cli.Context) (err error) {
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NoCompress: c.Bool("no-compress"),
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Overwrite: c.Bool("overwrite"),
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Curve: c.String("curve"),
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HashAlgorithm: "xxhash",
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}
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if crocOptions.RelayAddress != models.DEFAULT_RELAY {
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crocOptions.RelayAddress6 = ""
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@ -395,6 +396,7 @@ func receive(c *cli.Context) (err error) {
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IP: c.String("ip"),
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Overwrite: c.Bool("overwrite"),
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Curve: c.String("curve"),
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HashAlgorithm: "xxhash",
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}
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if crocOptions.RelayAddress != models.DEFAULT_RELAY {
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crocOptions.RelayAddress6 = ""
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@ -67,6 +67,7 @@ type Options struct {
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IP string
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Overwrite bool
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Curve string
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HashAlgorithm string
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}
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// Client holds the state of the croc transfer
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@ -149,6 +150,7 @@ type SenderInfo struct {
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Ask bool
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SendingText bool
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NoCompress bool
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HashAlgorithm string
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}
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// New establishes a new connection for transferring files between two instances.
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@ -222,8 +224,11 @@ func (c *Client) sendCollectFiles(options TransferOptions) (err error) {
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}
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log.Debugf("%+v", c.FilesToTransfer[i])
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}
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c.FilesToTransfer[i].Hash, err = utils.HashFile(fullPath)
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if c.Options.HashAlgorithm == "" {
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c.Options.HashAlgorithm = "xxhash"
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}
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c.FilesToTransfer[i].Hash, err = utils.HashFile(fullPath, c.Options.HashAlgorithm)
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log.Debugf("hashed %s to %x using %s", fullPath, c.FilesToTransfer[i].Hash, c.Options.HashAlgorithm)
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totalFilesSize += fstats.Size()
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if err != nil {
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return
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@ -769,6 +774,11 @@ func (c *Client) processMessageFileInfo(m message.Message) (done bool, err error
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}
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c.Options.SendingText = senderInfo.SendingText
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c.Options.NoCompress = senderInfo.NoCompress
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c.Options.HashAlgorithm = senderInfo.HashAlgorithm
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if c.Options.HashAlgorithm == "" {
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c.Options.HashAlgorithm = "imohash"
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}
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log.Debugf("using hash algorithm: %s", c.Options.HashAlgorithm)
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if c.Options.NoCompress {
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log.Debug("disabling compression")
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}
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@ -1047,6 +1057,7 @@ func (c *Client) updateIfSenderChannelSecured() (err error) {
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Ask: c.Options.Ask,
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SendingText: c.Options.SendingText,
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NoCompress: c.Options.NoCompress,
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HashAlgorithm: c.Options.HashAlgorithm,
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})
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if err != nil {
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log.Error(err)
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@ -1232,11 +1243,17 @@ func (c *Client) updateIfRecipientHasFileInfo() (err error) {
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if _, ok := c.FilesHasFinished[i]; ok {
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continue
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}
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log.Debugf("checking %+v", fileInfo)
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if i < c.FilesToTransferCurrentNum {
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continue
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}
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fileHash, errHash := utils.HashFile(path.Join(fileInfo.FolderRemote, fileInfo.Name))
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log.Debugf("checking %+v", fileInfo)
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recipientFileInfo, errRecipientFile := os.Lstat(path.Join(fileInfo.FolderRemote, fileInfo.Name))
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var errHash error
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var fileHash []byte
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if errRecipientFile == nil && recipientFileInfo.Size() == fileInfo.Size {
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// the file exists, but is same size, so hash it
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fileHash, errHash = utils.HashFile(path.Join(fileInfo.FolderRemote, fileInfo.Name), c.Options.HashAlgorithm)
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}
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if fileInfo.Size == 0 || fileInfo.Symlink != "" {
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err = c.createEmptyFileAndFinish(fileInfo, i)
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if err != nil {
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@ -1248,8 +1265,9 @@ func (c *Client) updateIfRecipientHasFileInfo() (err error) {
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}
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log.Debugf("%s %+x %+x %+v", fileInfo.Name, fileHash, fileInfo.Hash, errHash)
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if !bytes.Equal(fileHash, fileInfo.Hash) {
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log.Debugf("hashed %s to %x using %s", fileInfo.Name, fileHash, c.Options.HashAlgorithm)
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log.Debugf("hashes are not equal %x != %x", fileHash, fileInfo.Hash)
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if errHash == nil && !c.Options.Overwrite {
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if errHash == nil && !c.Options.Overwrite && errRecipientFile == nil {
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log.Debug("asking to overwrite")
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ans := utils.GetInput(fmt.Sprintf("\nOverwrite '%s'? (y/n) ", path.Join(fileInfo.FolderRemote, fileInfo.Name)))
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if strings.TrimSpace(strings.ToLower(ans)) != "y" {
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@ -1275,7 +1293,6 @@ func (c *Client) updateIfRecipientHasFileInfo() (err error) {
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c.LastFolder = newFolder
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break
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}
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// TODO: print out something about this file already existing
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}
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err = c.recipientGetFileReady(finished)
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return
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@ -43,9 +43,8 @@ func GetInput(prompt string) string {
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}
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// HashFile returns the hash of a file or, in case of a symlink, the
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// SHA256 hash of its target
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// HashFile returns the hash of a file
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func HashFile(fname string) (hash256 []byte, err error) {
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// SHA256 hash of its target. Takes an argument to specify the algorithm to use.
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func HashFile(fname string, algorithm string) (hash256 []byte, err error) {
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var fstats os.FileInfo
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fstats, err = os.Lstat(fname)
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if err != nil {
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@ -59,7 +58,16 @@ func HashFile(fname string) (hash256 []byte, err error) {
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if err != nil {
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return nil, err
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}
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switch algorithm {
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case "imohash":
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return IMOHashFile(fname)
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case "md5":
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return MD5HashFile(fname)
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case "xxhash":
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return XXHashFile(fname)
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}
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err = fmt.Errorf("unspecified algorithm")
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return
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}
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// MD5HashFile returns MD5 hash
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@ -175,9 +175,9 @@ func TestHashFile(t *testing.T) {
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if err := tmpfile.Close(); err != nil {
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panic(err)
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}
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hashed, err := HashFile(tmpfile.Name())
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hashed, err := HashFile(tmpfile.Name(), "xxhash")
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assert.Nil(t, err)
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assert.Equal(t, "18c9673a4bb8325d323e7f24fda9ae1e", fmt.Sprintf("%x", hashed))
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assert.Equal(t, "e66c561610ad51e2", fmt.Sprintf("%x", hashed))
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}
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func TestPublicIP(t *testing.T) {
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