func (m *HttpTampererSymptom) MuckRequest(ctx *muxy.Context) {
// Body
if m.Request.Body != "" {
newreq, err := http.NewRequest(ctx.Request.Method, ctx.Request.URL.String(), bytes.NewBuffer([]byte(m.Request.Body)))
if err != nil {
log.Error(err.Error())
}
*ctx.Request = *newreq
log.Debug("Spoofing HTTP Request Body with %s", log.Colorize(log.BLUE, m.Request.Body))
}
// Set Cookies
for _, c := range m.Request.Cookies {
c.Expires = stringToDate(c.RawExpires)
log.Debug("Spoofing Request Cookie %s => %s", log.Colorize(log.LIGHTMAGENTA, c.Name), c.String())
ctx.Request.Header.Add("Cookie", c.String())
}
// Set Headers
for k, v := range m.Request.Headers {
key := strings.ToTitle(strings.Replace(k, "_", "-", -1))
log.Debug("Spoofing Request Header %s => %s", log.Colorize(log.LIGHTMAGENTA, key), v)
ctx.Request.Header.Set(key, v)
}
// This Writes all headers, setting status code - so call this last
if m.Request.Method != "" {
ctx.Request.Method = m.Request.Method
}
}
func (l *LoggerMiddleware) HandleEvent(e muxy.ProxyEvent, ctx *muxy.Context) {
switch e {
case muxy.EVENT_PRE_DISPATCH:
if ctx.Request == nil {
if len(ctx.Bytes) > 0 {
log.Info("Handle TCP event " + log.Colorize(log.GREY, "PRE_DISPATCH") + fmt.Sprintf(" Received %d%s", len(ctx.Bytes), " bytes"))
data := fmt.Sprintf(l.format, ctx.Bytes)
log.Debug("Handle TCP event " + log.Colorize(log.GREY, "PRE_DISPATCH") + " Received request: " + bytesTab + log.Colorize(log.BLUE, data))
}
} else {
log.Info("Handle HTTP event " + log.Colorize(log.GREY, "PRE_DISPATCH") + " Proxying request " +
log.Colorize(log.LIGHTMAGENTA, ctx.Request.Method) +
log.Colorize(log.BLUE, " \""+ctx.Request.URL.String()+"\""))
}
case muxy.EVENT_POST_DISPATCH:
if ctx.Request == nil {
if len(ctx.Bytes) > 0 {
log.Info("Handle TCP event " + log.Colorize(log.GREY, "POST_DISPATCH") + fmt.Sprintf(" Sent %d%s", len(ctx.Bytes), " bytes"))
data := fmt.Sprintf(l.format, ctx.Bytes)
log.Debug("Handle TCP event " + log.Colorize(log.GREY, "POST_DISPATCH") + " Sent response: " + bytesTab + log.Colorize(log.BLUE, data))
}
} else {
log.Info("Handle HTTP event " + log.Colorize(log.GREY, "POST_DISPATCH") + " Returning " +
log.Colorize(log.GREY, fmt.Sprintf("%s", ctx.Response.Status)))
}
}
}
func (s *ShittyNetworkSymptom) Teardown() {
log.Debug("Tearing down ShittyNetworkSymptom")
s.config.Stop = true
supressOutput(func() {
throttler.Run(&s.config)
})
}
func (m *HttpTampererSymptom) MuckResponse(ctx *muxy.Context) {
// Body
if m.Response.Body != "" {
var cl io.ReadCloser
cl = &responseBody{body: []byte(m.Response.Body)}
r := &http.Response{
Request: ctx.Request,
Header: ctx.Response.Header,
Close: ctx.Response.Close,
ContentLength: ctx.Response.ContentLength,
Trailer: ctx.Response.Trailer,
TLS: ctx.Response.TLS,
TransferEncoding: ctx.Response.TransferEncoding,
Status: ctx.Response.Status,
StatusCode: ctx.Response.StatusCode,
Proto: ctx.Response.Proto,
ProtoMajor: ctx.Response.ProtoMajor,
ProtoMinor: ctx.Response.ProtoMinor,
Body: cl,
}
log.Debug("Injecting HTTP Response Body with %s", log.Colorize(log.BLUE, m.Response.Body))
*ctx.Response = *r
}
// Set Cookies
for _, c := range m.Response.Cookies {
c.Expires = stringToDate(c.RawExpires)
log.Debug("Spoofing Response Cookie %s => %s", log.Colorize(log.LIGHTMAGENTA, c.Name), c.String())
ctx.Response.Header.Add("Set-Cookie", c.String())
}
// Set Headers
for k, v := range m.Response.Headers {
key := strings.ToTitle(strings.Replace(k, "_", "-", -1))
log.Debug("Spoofing Response Header %s => %s", log.Colorize(log.LIGHTMAGENTA, key), v)
ctx.Response.Header.Add(key, v)
}
// This Writes all headers, setting status code - so call this last
if m.Response.Status != 0 {
ctx.Response.StatusCode = m.Response.Status
ctx.Response.Status = http.StatusText(m.Response.Status)
}
}
func (m *HttpTampererSymptom) HandleEvent(e muxy.ProxyEvent, ctx *muxy.Context) {
switch e {
case muxy.EVENT_POST_DISPATCH:
log.Debug("Spoofing status code, responding with %s", log.Colorize(log.YELLOW, fmt.Sprintf("%d %s", m.Status, http.StatusText(m.Status))))
// Body
if m.Body != "" {
var cl io.ReadCloser
cl = &responseBody{body: []byte(m.Body)}
r := &http.Response{
Request: ctx.Request,
Header: ctx.Response.Header,
Close: ctx.Response.Close,
ContentLength: ctx.Response.ContentLength,
Trailer: ctx.Response.Trailer,
TLS: ctx.Response.TLS,
TransferEncoding: ctx.Response.TransferEncoding,
Status: ctx.Response.Status,
StatusCode: ctx.Response.StatusCode,
Proto: ctx.Response.Proto,
ProtoMajor: ctx.Response.ProtoMajor,
ProtoMinor: ctx.Response.ProtoMinor,
Body: cl,
}
log.Debug("Injecting HTTP Response Body with %s", log.Colorize(log.BLUE, m.Body))
*ctx.Response = *r
}
// Set Headers
for k, v := range m.Headers {
key := strings.ToTitle(strings.Replace(k, "_", "-", -1))
log.Debug("Spoofing Header %s => %s", log.Colorize(log.LIGHTMAGENTA, key), v)
ctx.Response.Header.Add(key, v)
ctx.ResponseWriter.Header().Add(key, v)
}
// This Writes all headers, setting status code - so call this last
ctx.Response.StatusCode = m.Status
ctx.Response.Status = http.StatusText(m.Status)
ctx.ResponseWriter.WriteHeader(m.Status)
}
}
func (h *HttpDelaySymptom) Muck(ctx *muxy.Context) {
delay := time.Duration(h.Delay) * time.Second
log.Debug("HTTP Delay Muck(), delaying for %v seconds\n", delay.Seconds())
for {
select {
case <-time.After(delay):
return
}
}
}
func (s *ShittyNetworkSymptom) Setup() {
log.Debug("Setting up ShittyNetworkSymptom: Enabling firewall")
s.config = throttler.Config{
Device: s.Device,
Latency: s.Latency,
TargetBandwidth: s.TargetBandwidth,
DefaultBandwidth: s.DefaultBandwidth,
PacketLoss: s.PacketLoss,
TargetIps: s.TargetIps,
TargetIps6: s.TargetIps6,
TargetPorts: s.TargetPorts,
TargetProtos: s.TargetProtos,
DryRun: false,
}
supressOutput(func() {
throttler.Run(&s.config)
})
}
func (s *ShittyNetworkSymptom) Setup() {
log.Debug("Setting up ShittyNetworkSymptom: Enabling firewall")
ports := ParsePorts(strings.Join(s.TargetPorts, ","))
targetIPv4, targetIPv6 := parseAddrs(strings.Join(append(s.TargetIps, s.TargetIps6...), ","))
s.config = throttler.Config{
Device: s.Device,
Latency: s.Latency,
TargetBandwidth: s.TargetBandwidth,
DefaultBandwidth: s.DefaultBandwidth,
PacketLoss: s.PacketLoss,
TargetIps: targetIPv4,
TargetIps6: targetIPv6,
TargetPorts: ports,
TargetProtos: s.TargetProtos,
DryRun: false,
}
supressOutput(func() {
throttler.Run(&s.config)
})
}
func (s *ShittyNetworkSymptom) Muck(ctx *muxy.Context) {
log.Debug("ShittyNetworkSymptom Mucking...")
}
func (m HttpDelaySymptom) Teardown() {
log.Debug("HTTP Delay Teardown()")
}
func (m HttpDelaySymptom) Setup() {
log.Debug("HTTP Delay Setup()")
}
func (m HttpTampererSymptom) Teardown() {
log.Debug("HTTP Error Teardown()")
}
func (m HttpTampererSymptom) Setup() {
log.Debug("HTTP Error Setup()")
}