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main ... v0.0.4

11 changed files with 119 additions and 363 deletions

3
.gitignore vendored
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@ -1,3 +0,0 @@
.DS_Store
dist/
release/

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@ -1,50 +0,0 @@
version: 2
before:
hooks:
- go mod tidy
- go test ./...
builds:
- env:
- CGO_ENABLED=0
goos:
- linux
- windows
- darwin
- freebsd
goarch:
- arm
- arm64
- amd64
goarm:
- 6
- 7
ignore:
- goos: darwin
goarch: arm
- goos: windows
goarch: arm
- goos: windows
goarch: arm64
- goos: freebsd
goarch: arm
archives:
- formats: [tar.gz]
# this name template makes the OS and Arch compatible with the results of `uname`.
name_template: >-
{{ .ProjectName }}_
{{- title .Os }}_
{{- if eq .Arch "amd64" }}x86_64
{{- else if eq .Arch "386" }}i386
{{- else }}{{ .Arch }}{{ end }}
{{- if .Arm }}v{{ .Arm }}{{ end }}
# use zip for windows archives
format_overrides:
- goos: windows
formats: [zip]
changelog:
disable: true

13
.vscode/settings.json vendored
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@ -1,20 +1,9 @@
{
"cSpell.words": [
"authtoken",
"Debugf",
"Infof",
"isatty",
"netgiv",
"ngfs",
"tardisx",
"ttys"
],
"cSpell.ignoreWords": [
"logrus",
"mattn",
"pflag",
"sigchan",
"sirupsen",
"verysecretvaluehere"
"pflag"
]
}

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@ -1,42 +0,0 @@
# Changelog
All notable changes to this project will be documented in this file.
The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.1.0/),
and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
## v1.0.0 - 2025-04-26
### Added
* burn mode - remove copied files from the server (by [@jsnfwlr](https://github.com/jsnfwlr))
## v0.0.5 - 2025-04-26
### Changed
* minor refactoring
* start using goreleaser
## v0.0.4 - 2022-01-26
### Added
* timestamps on list output
## v0.0.3 - 2022-01-25
### Added
* get authtoken from the terminal if not available elsewhere
## v0.0.2 - 2022-01-17
### Added
* add -p to paste from a file instead of stdin
## v0.0.1 - 2022-01-16
Initial version

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@ -18,9 +18,6 @@ pipe) modes, allowing intuitive use like:
Note that since netgiv uses a persistent server, there is no need to setup both ends
of the pipeline in advance (compared to netcat or similar tools).
This also means that you could "copy" once and "paste" multiple times, on
multiple different machines.
All data is encrypted in flight (though not in the temporary files on the server)
Access to the server is granted by an authentication token (preshared key) of your
choice.
@ -32,6 +29,10 @@ choice.
Grab the appropriate version from https://github.com/tardisx/netgiv/releases, unzip
and place the binary somewhere on your $PATH.
Copy and paste for the trusting & lazy:
curl -L https://github.com/tardisx/netgiv/releases/download/v0.0.3/netgiv-linux-v0.0.3.zip | funzip > netgiv && chmod a+x netgiv
### Compiling from source
go install github.com/tardisx/netgiv@latest
@ -62,19 +63,12 @@ set.
## Running
### Server
To run a server, just run:
netgiv --server
`netgiv` will run in the foreground and log accesses to it.
### Client
#### Copy
On any client, run:
$ echo "Hello" | netgiv
@ -85,8 +79,6 @@ To check for success, try:
You should see "hello" echoed on your terminal.
#### List
To check the list of files on the server:
$ netgiv -l
@ -97,8 +89,6 @@ To check the list of files on the server:
Note that netgiv tries to identify each file based on file magic heuristics.
#### Paste
If you would like to fetch (paste) a particular file:
netgiv -p 3 > file.mov
@ -108,14 +98,6 @@ Where '3' comes from the information provided in the `-l` output.
Note that providing no `-p` option is the same as `-p X` where X is the highest
numbered upload (most recent).
#### Burn
If you would like to remove/delete (burn) a particular file:
netgiv -b 3
Where '3' comes from the information provided in the `-l` output.
### Notes on output
Since netgiv is designed to be used in a pipeline, it does not provide any
@ -147,10 +129,8 @@ to the client - the server must have a config file with an authtoken specified.
## Temporary file storage
The `netgiv` server will store files in your normal system temporary dir. These files
are *not* encrypted. They will be deleted when the server shuts down (SIGTERM). If you
want or need to remove the files before the server shuts down, you can use the
[burn](#burn) flag.
The `netgiv` server will store files in your normal system temporary dir. They will
be deleted when the server shuts down (SIGTERM). These files are *not* encrypted.
## Window support
@ -160,4 +140,3 @@ pipes. Bug reports and suggestions for workarounds are welcome.
# Acknowledgements
* thanks to tengig for the name
* thanks to [@jsnfwlr](https://github.com/jsnfwlr) for the burn feature

40
build_release.pl Executable file
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@ -0,0 +1,40 @@
#!/usr/bin/env perl
use strict;
use warnings;
open my $fh, "<", "main.go" || die $!;
my $version;
while (<$fh>) {
# CurrentVersion: "v0.04"
$version = $1 if /CurrentVersion\s*=\s*"(v[\d\.]+)"/;
}
close $fh;
die "no version?" unless defined $version;
# quit if tests fail
system("go test ./...") && die "not building release with failing tests";
# so lazy
system "rm", "-rf", "release", "dist";
system "mkdir", "release";
system "mkdir", "dist";
my %build = (
win => { env => { GOOS => 'windows', GOARCH => 'amd64' }, filename => 'netgiv.exe' },
linux => { env => { GOOS => 'linux', GOARCH => 'amd64' }, filename => 'netgiv' },
mac => { env => { GOOS => 'darwin', GOARCH => 'amd64' }, filename => 'netgiv' },
);
foreach my $type (keys %build) {
mkdir "release/$type";
}
foreach my $type (keys %build) {
local $ENV{GOOS} = $build{$type}->{env}->{GOOS};
local $ENV{GOARCH} = $build{$type}->{env}->{GOARCH};
system "go", "build", "-o", "release/$type/" . $build{$type}->{filename};
system "zip", "-j", "dist/netgiv-$type-$version.zip", ( glob "release/$type/*" );
}

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@ -22,7 +22,6 @@ type Client struct {
port int
list bool
send bool
burnNum int
receiveNum int
authToken string
}
@ -51,8 +50,7 @@ func (c *Client) Connect() error {
enc := gob.NewEncoder(&secureConnection)
dec := gob.NewDecoder(&secureConnection)
switch {
case c.list:
if c.list {
log.Debugf("requesting file list")
err := c.connectToServer(secure.OperationTypeList, enc, dec)
@ -77,7 +75,8 @@ func (c *Client) Connect() error {
fmt.Printf("total: %d files\n", numFiles)
conn.Close()
log.Debugf("done listing")
case c.receiveNum >= 0:
} else if c.receiveNum >= 0 {
log.Debugf("receiving file %d", c.receiveNum)
err := c.connectToServer(secure.OperationTypeReceive, enc, dec)
@ -99,8 +98,7 @@ func (c *Client) Connect() error {
panic(err)
}
switch res.Status {
case secure.ReceiveDataStartResponseOK:
if res.Status == secure.ReceiveDataStartResponseOK {
for {
res := secure.PacketReceiveDataNext{}
err = dec.Decode(&res)
@ -113,14 +111,14 @@ func (c *Client) Connect() error {
}
}
log.Debugf("finished")
case secure.ReceiveDataStartResponseNotFound:
} else if res.Status == secure.ReceiveDataStartResponseNotFound {
log.Error("ngf not found")
default:
} else {
panic("unknown status")
}
conn.Close()
case c.send:
} else if c.send {
// send mode
err := c.connectToServer(secure.OperationTypeSend, enc, dec)
@ -171,45 +169,16 @@ func (c *Client) Connect() error {
log.Debugf("Sent %s in %d chunks", humanize.Bytes(uint64(nBytes)), nChunks)
conn.Close()
case c.burnNum >= 0:
log.Debugf("burning file %d", c.burnNum)
err := c.connectToServer(secure.OperationTypeBurn, enc, dec)
if err != nil {
return fmt.Errorf("could not connect and auth: %v", err)
}
req := secure.PacketBurnRequest{
Id: uint32(c.burnNum),
}
err = enc.Encode(req)
if err != nil {
panic(err)
}
// expect a response telling us if we can go ahead
res := secure.PacketBurnResponse{}
err = dec.Decode(&res)
if err != nil {
panic(err)
}
switch res.Status {
case secure.BurnResponseOK:
log.Debugf("finished")
case secure.BurnResponseNotFound:
log.Error("ngf not found")
default:
panic("unknown status")
}
conn.Close()
default:
} else {
panic("no client mode set")
}
return nil
}
func (c *Client) connectToServer(op secure.OperationTypeEnum, enc *gob.Encoder, dec *gob.Decoder) error {
// list mode
startPacket := secure.PacketStartRequest{
OperationType: op,

85
main.go
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@ -13,37 +13,41 @@ import (
"github.com/spf13/viper"
)
var CurrentVersion = "v0.0.4"
const ProtocolVersion = "1.1"
type ListValue struct {
Required bool
Number uint
type PasteValue struct {
PasteRequired bool
PasteNumber uint
}
func (v *ListValue) String() string {
if v.Required {
return fmt.Sprintf("YES: %d", v.Number)
func (v *PasteValue) String() string {
if v.PasteRequired {
return fmt.Sprintf("YES: %d", v.PasteNumber)
}
return "0"
}
func (v *ListValue) Set(s string) error {
v.Required = true
func (v *PasteValue) Set(s string) error {
v.PasteRequired = true
num, err := strconv.ParseUint(s, 10, 64)
if err != nil {
return err
}
v.Number = uint(num)
v.PasteNumber = uint(num)
return nil
}
func (v *ListValue) Type() string {
func (v *PasteValue) Type() string {
return "int"
}
func getAuthTokenFromTerminal() string {
tty, err := os.OpenFile("/dev/tty", os.O_RDWR, 0o755)
tty, err := os.OpenFile("/dev/tty", os.O_RDWR, 0755)
if err != nil {
log.Printf("cannot open /dev/tty to read authtoken: %v", err)
return ""
@ -55,9 +59,7 @@ func getAuthTokenFromTerminal() string {
log.Printf("cannot set /dev/tty to raw mode: %v", err)
return ""
}
defer func() {
_ = term.Restore(fd, oldState)
}()
defer term.Restore(fd, oldState)
t := term.NewTerminal(tty, "")
pass, err := t.ReadPassword("Enter auth token: ")
@ -69,27 +71,17 @@ func getAuthTokenFromTerminal() string {
return pass
}
var (
version = "dev"
commit = "none"
date = "unknown"
)
func main() {
isServer := flag.Bool("server", false, "Run netgiv in server mode")
// client mode flags
isList := flag.BoolP("list", "l", false, "Returns a list of current items on the server")
isSend := flag.BoolP("copy", "c", false, "send stdin to netgiv server (copy)")
isSend := flag.BoolP("copy", "c", false, "sending stdin to netgiv server (copy)")
pasteFlag := ListValue{}
flag.VarP(&pasteFlag, "paste", "p", "receive from netgiv server to stdout (paste), with optional id (see --list)")
pasteFlag := PasteValue{}
flag.VarP(&pasteFlag, "paste", "p", "receive from netgiv server to stdout (paste), with optional number (see --list)")
flag.Lookup("paste").NoOptDefVal = "0"
burnFlag := ListValue{}
flag.VarP(&burnFlag, "burn", "b", "burn (remove/delete) the item on the netgiv server, with optional id (see --list)")
flag.Lookup("burn").NoOptDefVal = "0"
debug := flag.Bool("debug", false, "turn on debug logging")
flag.String("address", "", "IP address/hostname of the netgiv server")
@ -99,27 +91,14 @@ func main() {
flag.String("authtoken", "", "Authentication token")
flag.Int("port", 0, "Port")
versionFlag := flag.BoolP("version", "v", false, "show version and exit")
flag.Parse()
if versionFlag != nil && *versionFlag {
fmt.Print(versionInfo(true))
os.Exit(0)
}
receiveNum := int(pasteFlag.Number)
if !pasteFlag.Required {
receiveNum := int(pasteFlag.PasteNumber)
if !pasteFlag.PasteRequired {
receiveNum = -1
}
burnNum := int(burnFlag.Number)
if !burnFlag.Required {
burnNum = -1
}
viper.AddConfigPath("$HOME/.netgiv/")
viper.AddConfigPath("$HOME/.config/netgiv/") // calling multiple times adds to search paths
viper.AddConfigPath("$HOME/.netgiv/") // call multiple times to add many search paths
viper.SetConfigType("yaml")
viper.SetDefault("port", 4512)
@ -133,10 +112,11 @@ func main() {
}
}
_ = viper.BindPFlags(flag.CommandLine)
flag.Parse()
viper.BindPFlags(flag.CommandLine)
viper.SetEnvPrefix("NETGIV")
_ = viper.BindEnv("authtoken")
viper.BindEnv("authtoken")
// pull the various things into local variables
port := viper.GetInt("port") // retrieve value from viper
@ -190,12 +170,11 @@ environment variable. This may be preferable in some environments.
log.Fatal("an address must be provided on the command line, or configuration")
}
log.Debugf("protocol version: %s", ProtocolVersion)
if *isServer {
s := Server{port: port, authToken: authtoken}
s.Run()
} else {
if !*isList && !*isSend && burnNum == -1 && receiveNum == -1 {
if !*isList && !*isSend && receiveNum == -1 {
// try to work out the intent based on whether or not stdin/stdout
// are ttys
stdinTTY := isatty.IsTerminal(os.Stdin.Fd())
@ -214,20 +193,10 @@ environment variable. This may be preferable in some environments.
}
c := Client{port: port, address: address, list: *isList, send: *isSend, burnNum: burnNum, receiveNum: receiveNum, authToken: authtoken}
c := Client{port: port, address: address, list: *isList, send: *isSend, receiveNum: receiveNum, authToken: authtoken}
err := c.Connect()
if err != nil {
fmt.Print(err)
}
}
}
func versionInfo(verbose bool) string {
out := ""
out += fmt.Sprintf("netgiv %s, built at %s\n", version, date)
if verbose {
out += fmt.Sprintf("commit: %s\n", commit)
out += fmt.Sprintf("http://github.com/tardisx/netgiv\n")
}
return out
}

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@ -129,7 +129,7 @@ func (s *SecureConnection) Write(p []byte) (int, error) {
var nonce [24]byte
// Create a new nonce for each message sent
_, _ = rand.Read(nonce[:])
rand.Read(nonce[:])
encryptedMessage := box.SealAfterPrecomputation(nil, p, &nonce, s.SharedKey)
sm := SecureMessage{Msg: encryptedMessage, Nonce: nonce}
@ -145,10 +145,10 @@ func Handshake(conn *net.TCPConn) *[32]byte {
publicKey, privateKey, _ := box.GenerateKey(rand.Reader)
_, _ = conn.Write(publicKey[:])
conn.Write(publicKey[:])
peerKeyArray := make([]byte, 32)
_, _ = conn.Read(peerKeyArray)
conn.Read(peerKeyArray)
copy(peerKey[:], peerKeyArray)
box.Precompute(&sharedKey, &peerKey, privateKey)
@ -162,11 +162,10 @@ const (
OperationTypeSend OperationTypeEnum = iota
OperationTypeList
OperationTypeReceive
OperationTypeBurn
)
// PacketStartRequest is sent from the client to the server at the beginning
// to authenticate and announce the requested particular operation
// to authenticate and annonce the requested particular operation
type PacketStartRequest struct {
OperationType OperationTypeEnum
ClientName string
@ -234,20 +233,3 @@ type PacketListData struct {
Timestamp time.Time
Kind string
}
type PacketBurnRequest struct {
Id uint32
}
type PacketBurnResponse struct {
Status PacketBurnResponseEnum
}
type PacketBurnResponseEnum byte
const (
// File has been deleted
BurnResponseOK PacketBurnResponseEnum = iota
// No such file by index
BurnResponseNotFound
)

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@ -13,8 +13,7 @@ func TestBasic(t *testing.T) {
srcSecConn := SecureConnection{
Conn: srcConn,
SharedKey: &[32]byte{
0x0, 0x1, 0x2, 0x3, 0x4, 0x5, 0x6, 0x7,
SharedKey: &[32]byte{0x0, 0x1, 0x2, 0x3, 0x4, 0x5, 0x6, 0x7,
0x0, 0x1, 0x2, 0x3, 0x4, 0x5, 0x6, 0x7,
0x0, 0x1, 0x2, 0x3, 0x4, 0x5, 0x6, 0x7,
0x0, 0x1, 0x2, 0x3, 0x4, 0x5, 0x6, 0x7,
@ -24,8 +23,7 @@ func TestBasic(t *testing.T) {
dstSecConn := SecureConnection{
Conn: dstConn,
SharedKey: &[32]byte{
0x0, 0x1, 0x2, 0x3, 0x4, 0x5, 0x6, 0x7,
SharedKey: &[32]byte{0x0, 0x1, 0x2, 0x3, 0x4, 0x5, 0x6, 0x7,
0x0, 0x1, 0x2, 0x3, 0x4, 0x5, 0x6, 0x7,
0x0, 0x1, 0x2, 0x3, 0x4, 0x5, 0x6, 0x7,
0x0, 0x1, 0x2, 0x3, 0x4, 0x5, 0x6, 0x7,
@ -47,7 +45,7 @@ func TestBasic(t *testing.T) {
for _, b := range testData {
go func() {
_, _ = srcSecConn.Write(b)
srcSecConn.Write(b)
}()
time.Sleep(time.Second)
@ -72,8 +70,7 @@ func TestPacketBasic(t *testing.T) {
srcSecConn := SecureConnection{
Conn: srcConn,
SharedKey: &[32]byte{
0x0, 0x1, 0x2, 0x3, 0x4, 0x5, 0x6, 0x7,
SharedKey: &[32]byte{0x0, 0x1, 0x2, 0x3, 0x4, 0x5, 0x6, 0x7,
0x0, 0x1, 0x2, 0x3, 0x4, 0x5, 0x6, 0x7,
0x0, 0x1, 0x2, 0x3, 0x4, 0x5, 0x6, 0x7,
0x0, 0x1, 0x2, 0x3, 0x4, 0x5, 0x6, 0x7,
@ -83,8 +80,7 @@ func TestPacketBasic(t *testing.T) {
dstSecConn := SecureConnection{
Conn: dstConn,
SharedKey: &[32]byte{
0x0, 0x1, 0x2, 0x3, 0x4, 0x5, 0x6, 0x7,
SharedKey: &[32]byte{0x0, 0x1, 0x2, 0x3, 0x4, 0x5, 0x6, 0x7,
0x0, 0x1, 0x2, 0x3, 0x4, 0x5, 0x6, 0x7,
0x0, 0x1, 0x2, 0x3, 0x4, 0x5, 0x6, 0x7,
0x0, 0x1, 0x2, 0x3, 0x4, 0x5, 0x6, 0x7,
@ -101,12 +97,10 @@ func TestPacketBasic(t *testing.T) {
ProtocolVersion: "1.1",
AuthToken: "abc123",
}
go func() {
_ = enc.Encode(packet)
}()
go func() { enc.Encode(packet) }()
recvPacket := PacketStartRequest{}
_ = dec.Decode(&recvPacket)
dec.Decode(&recvPacket)
if recvPacket.OperationType != OperationTypeReceive {
t.Error("bad OperationType")
@ -123,6 +117,7 @@ func TestPacketBasic(t *testing.T) {
if recvPacket.ProtocolVersion != "1.1" {
t.Error("bad ProtocolVersion")
}
}
func BenchmarkPPS(b *testing.B) {
@ -130,8 +125,7 @@ func BenchmarkPPS(b *testing.B) {
srcSecConn := SecureConnection{
Conn: srcConn,
SharedKey: &[32]byte{
0x0, 0x1, 0x2, 0x3, 0x4, 0x5, 0x6, 0x7,
SharedKey: &[32]byte{0x0, 0x1, 0x2, 0x3, 0x4, 0x5, 0x6, 0x7,
0x0, 0x1, 0x2, 0x3, 0x4, 0x5, 0x6, 0x7,
0x0, 0x1, 0x2, 0x3, 0x4, 0x5, 0x6, 0x7,
0x0, 0x1, 0x2, 0x3, 0x4, 0x5, 0x6, 0x7,
@ -141,8 +135,7 @@ func BenchmarkPPS(b *testing.B) {
dstSecConn := SecureConnection{
Conn: dstConn,
SharedKey: &[32]byte{
0x0, 0x1, 0x2, 0x3, 0x4, 0x5, 0x6, 0x7,
SharedKey: &[32]byte{0x0, 0x1, 0x2, 0x3, 0x4, 0x5, 0x6, 0x7,
0x0, 0x1, 0x2, 0x3, 0x4, 0x5, 0x6, 0x7,
0x0, 0x1, 0x2, 0x3, 0x4, 0x5, 0x6, 0x7,
0x0, 0x1, 0x2, 0x3, 0x4, 0x5, 0x6, 0x7,
@ -160,11 +153,12 @@ func BenchmarkPPS(b *testing.B) {
for i := 0; i < b.N; i++ {
go func() {
_, _ = srcSecConn.Write(testdata)
srcSecConn.Write(testdata)
}()
out := make([]byte, 16384)
n, err := dstSecConn.Read(out)
if err != nil {
b.Errorf("got error %v", err)
}
@ -175,4 +169,5 @@ func BenchmarkPPS(b *testing.B) {
b.Errorf("%v not equal to %v", out[:n], testdata)
}
}
}

108
server.go
View File

@ -34,15 +34,10 @@ type NGF struct {
Timestamp time.Time
}
func (ngf NGF) String() string {
return fmt.Sprintf("id: %d, stored: %s, size: %d, kind: %s", ngf.Id, ngf.StorePath, ngf.Size, ngf.Kind)
}
var ngfs []NGF
var globalId uint32
func (s *Server) Run() {
log.Info(versionInfo(false))
log.Infof("starting server on :%d", s.port)
address := fmt.Sprintf(":%d", s.port)
networkAddress, _ := net.ResolveTCPAddr("tcp", address)
@ -63,7 +58,7 @@ func (s *Server) Run() {
log.Printf("removing file: %s", ngf.StorePath)
err := os.Remove(ngf.StorePath)
if err != nil {
log.Errorf("could not remove %s: %v", ngf.StorePath, err)
log.Printf("could not remove %s: %v", ngf.StorePath, err)
}
}
os.Exit(0)
@ -73,6 +68,7 @@ func (s *Server) Run() {
for {
conn, err := listener.AcceptTCP()
if err != nil {
fmt.Print(err)
}
@ -84,7 +80,7 @@ func (s *Server) Run() {
func (s *Server) handleConnection(conn *net.TCPConn) {
defer conn.Close()
_ = conn.SetDeadline(time.Now().Add(time.Second * 5))
conn.SetDeadline(time.Now().Add(time.Second * 5))
sharedKey := secure.Handshake(conn)
secureConnection := secure.SecureConnection{Conn: conn, SharedKey: sharedKey, Buffer: &bytes.Buffer{}}
@ -115,25 +111,24 @@ func (s *Server) handleConnection(conn *net.TCPConn) {
if start.ProtocolVersion != ProtocolVersion {
log.Errorf("bad protocol version")
startResponse.Response = secure.PacketStartResponseEnumWrongProtocol
_ = enc.Encode(startResponse)
enc.Encode(startResponse)
return
}
if start.AuthToken != s.authToken {
log.Errorf("bad authtoken")
startResponse.Response = secure.PacketStartResponseEnumBadAuthToken
_ = enc.Encode(startResponse)
enc.Encode(startResponse)
return
}
// otherwise we are good to continue, tell the client that
startResponse.Response = secure.PacketStartResponseEnumOK
_ = enc.Encode(startResponse)
enc.Encode(startResponse)
_ = conn.SetDeadline(time.Now().Add(time.Second * 5))
conn.SetDeadline(time.Now().Add(time.Second * 5))
switch start.OperationType {
case secure.OperationTypeSend:
if start.OperationType == secure.OperationTypeSend {
log.Debugf("file incoming")
sendStart := secure.PacketSendDataStart{}
@ -165,7 +160,7 @@ func (s *Server) handleConnection(conn *net.TCPConn) {
sendData := secure.PacketSendDataNext{}
determinedKind := false
for {
_ = conn.SetDeadline(time.Now().Add(time.Second * 5))
conn.SetDeadline(time.Now().Add(time.Second * 5))
err = dec.Decode(&sendData)
if err == io.EOF {
break
@ -195,7 +190,7 @@ func (s *Server) handleConnection(conn *net.TCPConn) {
determinedKind = true
}
_, _ = file.Write(sendData.Data)
file.Write(sendData.Data)
}
info, err := file.Stat()
if err != nil {
@ -209,13 +204,13 @@ func (s *Server) handleConnection(conn *net.TCPConn) {
log.Printf("done receiving file: %v", ngf)
return
case secure.OperationTypeReceive:
} else if start.OperationType == secure.OperationTypeReceive {
log.Printf("client requesting file receive")
// wait for them to send the request
req := secure.PacketReceiveDataStartRequest{}
err := dec.Decode(&req)
if err != nil {
log.Errorf("error expecting PacketReceiveDataStartRequest: %v", err)
log.Printf("error expecting PacketReceiveDataStartRequest: %v", err)
return
}
@ -247,7 +242,7 @@ func (s *Server) handleConnection(conn *net.TCPConn) {
}
err = enc.Encode(res)
if err != nil {
log.Errorf("could not send NotFound: %v", err)
log.Printf("could not send NotFound: %v", err)
}
return
@ -302,7 +297,8 @@ func (s *Server) handleConnection(conn *net.TCPConn) {
}
log.Printf("sending done")
return
case secure.OperationTypeList:
} else if start.OperationType == secure.OperationTypeList {
log.Debugf("client requesting file list")
for _, ngf := range ngfs {
@ -312,83 +308,15 @@ func (s *Server) handleConnection(conn *net.TCPConn) {
p.Id = ngf.Id
p.Filename = ngf.Filename
p.Timestamp = ngf.Timestamp
_ = enc.Encode(p)
enc.Encode(p)
}
log.Debugf("done sending list, closing connection")
return
case secure.OperationTypeBurn:
log.Debugf("client requesting burn")
// wait for them to send the request
req := secure.PacketBurnRequest{}
err := dec.Decode(&req)
if err != nil {
log.Errorf("error expecting PacketBurnRequest: %v", err)
return
}
log.Debugf("The client asked for %v to be burned", req)
// do we have this ngf by id?
var requestedNGF NGF
if len(ngfs) > 0 {
if req.Id == 0 {
// they want the most recent one
requestedNGF = ngfs[len(ngfs)-1]
} else {
for _, ngf := range ngfs {
if ngf.Id == req.Id {
requestedNGF = ngf
}
}
}
}
log.Debugf("going to burn %v", requestedNGF)
if requestedNGF.Id == 0 {
// not found
log.Errorf("user requested burning %d, not found", req.Id)
res := secure.PacketBurnResponse{
Status: secure.BurnResponseNotFound,
}
err = enc.Encode(res)
if err != nil {
log.Errorf("could not send NotFound: %v", err)
}
return
}
// remove the file
err = os.Remove(requestedNGF.StorePath)
if err != nil {
log.Errorf("could not remove file %s: %v", requestedNGF.StorePath, err)
return
}
// remove the ngf from the list
for i, ngf := range ngfs {
if ngf.Id == requestedNGF.Id {
ngfs = append(ngfs[:i], ngfs[i+1:]...)
break
}
}
res := secure.PacketBurnResponse{
Status: secure.BurnResponseOK,
}
err = enc.Encode(res)
if err != nil {
log.Errorf("error sending PacketBurnResponse: %v", err)
return
}
log.Printf("burn complete")
return
default:
} else {
log.Errorf("bad operation")
return
}
}