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proxy: Add ICE ephemeral ports range setting CLI flag

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KokaKiwi 2022-09-30 17:52:07 +02:00 • committed by KokaKiwi
parent 5e564f36ff
commit 47f9392645
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2 changed files with 28 additions and 1 deletions
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22
proxy/main.go
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@ -2,13 +2,15 @@ package main
import (
"flag"
"git.torproject.org/pluggable-transports/snowflake.git/v2/common/event"
"io"
"io/ioutil"
"log"
"os"
"strconv"
"strings"
"time"
"git.torproject.org/pluggable-transports/snowflake.git/v2/common/event"
"git.torproject.org/pluggable-transports/snowflake.git/v2/common/safelog"
sf "git.torproject.org/pluggable-transports/snowflake.git/v2/proxy/lib"
)
@ -28,6 +30,7 @@ func main() {
SummaryInterval := flag.Duration("summary-interval", time.Hour,
"the time interval to output summary, 0s disables summaries. Valid time units are \"s\", \"m\", \"h\". ")
verboseLogging := flag.Bool("verbose", false, "increase log verbosity")
ephemeralPortsRange := flag.String("ephemeral-ports-range", "", "UDP ephemeral ports range")
flag.Parse()
@ -47,6 +50,23 @@ func main() {
AllowNonTLSRelay: *allowNonTLSRelay,
}
ephemeralPortsRangeParts := strings.Split(*ephemeralPortsRange, ":")
if len(ephemeralPortsRangeParts) == 2 {
ephemeralMinPort, err := strconv.ParseUint(ephemeralPortsRangeParts[0], 10, 16)
if err == nil {
proxy.EphemeralMinPort = uint16(ephemeralMinPort)
} else {
log.Printf("Invalid port (%v): %v", ephemeralPortsRangeParts[0], err)
}
ephemeralMaxPort, err := strconv.ParseUint(ephemeralPortsRangeParts[1], 10, 16)
if err == nil {
proxy.EphemeralMaxPort = uint16(ephemeralMaxPort)
} else {
log.Printf("Invalid port (%v): %v", ephemeralPortsRangeParts[1], err)
}
}
var logOutput io.Writer = os.Stderr
var eventlogOutput io.Writer = os.Stderr
log.SetFlags(log.LstdFlags | log.LUTC)