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Add CovertDTLSConfig

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This commit is contained in:
theodorsm 2024-12-18 00:09:15 +01:00
parent 5912e2892a
commit bb11646e73
11 changed files with 89 additions and 56 deletions
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13
proxy/main.go
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@ -12,6 +12,7 @@ import (
"time"
"gitlab.torproject.org/tpo/anti-censorship/pluggable-transports/ptutil/safelog"
"gitlab.torproject.org/tpo/anti-censorship/pluggable-transports/snowflake/v2/common/covertdtls"
"gitlab.torproject.org/tpo/anti-censorship/pluggable-transports/snowflake/v2/common/event"
"gitlab.torproject.org/tpo/anti-censorship/pluggable-transports/snowflake/v2/common/version"
sf "gitlab.torproject.org/tpo/anti-censorship/pluggable-transports/snowflake/v2/proxy/lib"
@ -46,8 +47,7 @@ func main() {
verboseLogging := flag.Bool("verbose", false, "increase log verbosity")
ephemeralPortsRangeFlag := flag.String("ephemeral-ports-range", "", "Set the `range` of ports used for client connections (format:\"<min>:<max>\").\nIf omitted, the ports will be chosen automatically.")
versionFlag := flag.Bool("version", false, "display version info to stderr and quit")
dtlsRandomize := flag.Bool("dtls-randomize", false, "randomize DTLS client hello")
dtlsMimic := flag.Bool("dtls-mimic", false, "mimic DTLS client hello of Chrome and Firefox")
covertDTLSConfig := flag.String("covertdtls-config", "", "Configuration of dtls mimicking and randomization: mimic, randomize, randomizemimic")
var ephemeralPortsRange []uint16 = []uint16{0, 0}
@ -66,10 +66,6 @@ func main() {
log.Fatal("Cannot keep local address candidates when outbound address is specified")
}
if *dtlsMimic && *dtlsRandomize {
log.Fatal("Cannot both Randomize and Mimic DTLS client hello")
}
eventLogger := event.NewSnowflakeEventDispatcher()
if *ephemeralPortsRangeFlag != "" {
@ -117,9 +113,8 @@ func main() {
AllowProxyingToPrivateAddresses: *allowProxyingToPrivateAddresses,
AllowNonTLSRelay: *allowNonTLSRelay,
SummaryInterval: *summaryInterval,
DTLSRandomize: *dtlsRandomize,
DTLSMimic: *dtlsMimic,
SummaryInterval: *summaryInterval,
CovertDTLSConfig: covertdtls.ParseConfigString(*covertDTLSConfig),
}
var logOutput = io.Discard