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Sockopt: Fix indentation of the CustomSockopt block for Linux (#6568)

Browse Source 
https://github.com/XTLS/Xray-core/pull/6568#issuecomment-5488145252

Fixes https://github.com/XTLS/Xray-core/issues/6564
Fixes https://github.com/XTLS/Xray-core/issues/6602
This commit is contained in:
patterniha
2026-09-01 04:47:55 +00:00
committed by GitHub
parent 8ee131cbbb
commit fc7b980636
2 changed files with 36 additions and 35 deletions
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transport/internet/sockopt_linux.go
+34 -33
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@@ -169,41 +169,42 @@ func applyInboundSocketOptions(network string, fd uintptr, config *SocketConfig)
return errors.New("failed to set TCP_MAXSEG", err)
}
}
if len(config.CustomSockopt) > 0 {
for _, custom := range config.CustomSockopt {
if custom.System != "" && custom.System != runtime.GOOS {
errors.LogDebug(context.Background(), "CustomSockopt system not match: ", "want ", custom.System, " got ", runtime.GOOS)
continue
}
if len(config.CustomSockopt) > 0 {
for _, custom := range config.CustomSockopt {
if custom.System != "" && custom.System != runtime.GOOS {
errors.LogDebug(context.Background(), "CustomSockopt system not match: ", "want ", custom.System, " got ", runtime.GOOS)
continue
}
// Skip unwanted network type
// network might be tcp4 or tcp6
// use HasPrefix so that "tcp" can match tcp4/6 with "tcp" if user want to control all tcp (udp is also the same)
// if it is empty, strings.HasPrefix will always return true to make it apply for all networks
if !strings.HasPrefix(network, custom.Network) {
continue
}
level := 0x6 // default TCP
var opt int
if len(custom.Opt) == 0 {
return errors.New("No opt!")
} else {
opt, _ = strconv.Atoi(custom.Opt)
}
if custom.Level != "" {
level, _ = strconv.Atoi(custom.Level)
}
if custom.Type == "int" {
value, _ := strconv.Atoi(custom.Value)
if err := syscall.SetsockoptInt(int(fd), level, opt, value); err != nil {
return errors.New("failed to set CustomSockoptInt", opt, value, err)
}
// Skip unwanted network type
// network might be tcp4 or tcp6
// use HasPrefix so that "tcp" can match tcp4/6 with "tcp" if user want to control all tcp (udp is also the same)
// if it is empty, strings.HasPrefix will always return true to make it apply for all networks
if !strings.HasPrefix(network, custom.Network) {
continue
}
level := 0x6 // default TCP
var opt int
if len(custom.Opt) == 0 {
return errors.New("No opt!")
} else {
opt, _ = strconv.Atoi(custom.Opt)
}
if custom.Level != "" {
level, _ = strconv.Atoi(custom.Level)
}
if custom.Type == "int" {
value, _ := strconv.Atoi(custom.Value)
if err := syscall.SetsockoptInt(int(fd), level, opt, value); err != nil {
return errors.New("failed to set CustomSockoptInt", opt, value, err)
}
} else if custom.Type == "str" {
if err := syscall.SetsockoptString(int(fd), level, opt, custom.Value); err != nil {
return errors.New("failed to set CustomSockoptString", opt, custom.Value, err)
}
} else {
return errors.New("unknown CustomSockopt type:", custom.Type)
} else if custom.Type == "str" {
if err := syscall.SetsockoptString(int(fd), level, opt, custom.Value); err != nil {
return errors.New("failed to set CustomSockoptString", opt, custom.Value, err)
}
} else {
return errors.New("unknown CustomSockopt type:", custom.Type)
}
}
}