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wireguard-apple
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wireguard-go-bridge: use C string instead of gostring_t 

Signed-off-by: Andrej Mihajlov <and@mullvad.net>
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
This commit is contained in:
Andrej Mihajlov 2020-02-07 12:31:42 +01:00 committed by Jason A. Donenfeld
parent edde27a0a0
commit 30406dec6d
3 changed files with 10 additions and 18 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

15
WireGuard/WireGuardNetworkExtension/PacketTunnelProvider.swift
View File

@ -70,7 +70,8 @@ class PacketTunnelProvider: NEPacketTunnelProvider {
}
ifnamePtr.deallocate()
wg_log(.info, message: "Tunnel interface is \(self.ifname ?? "unknown")")
let handle = self.packetTunnelSettingsGenerator!.uapiConfiguration().withGoString { return wgTurnOn($0, fileDescriptor) }
let handle = self.packetTunnelSettingsGenerator!.uapiConfiguration()
.withCString { return wgTurnOn($0, fileDescriptor) }
if handle < 0 {
wg_log(.error, message: "Starting tunnel failed with wgTurnOn returning \(handle)")
errorNotifier.notify(PacketTunnelProviderError.couldNotStartBackend)
@ -146,18 +147,10 @@ class PacketTunnelProvider: NEPacketTunnelProvider {
#if os(iOS)
if let packetTunnelSettingsGenerator = packetTunnelSettingsGenerator {
_ = packetTunnelSettingsGenerator.endpointUapiConfiguration().withGoString { return wgSetConfig(handle, $0) }
_ = packetTunnelSettingsGenerator.endpointUapiConfiguration()
.withCString { return wgSetConfig(handle, $0) }
}
#endif
wgBumpSockets(handle)
}
}
extension String {
func withGoString<R>(_ call: (gostring_t) -> R) -> R {
func helper(_ pointer: UnsafePointer<Int8>?, _ call: (gostring_t) -> R) -> R {
return call(gostring_t(p: pointer, n: utf8.count))
}
return helper(self, call)
}
}

8
wireguard-go-bridge/api-ios.go
View File

@ -84,7 +84,7 @@ func wgSetLogger(loggerFn uintptr) {
}
//export wgTurnOn
func wgTurnOn(settings string, tunFd int32) int32 {
func wgTurnOn(settings *C.char, tunFd int32) int32 {
logger := &device.Logger{
Debug: log.New(&CLogger{level: 0}, "", 0),
Info: log.New(&CLogger{level: 1}, "", 0),
@ -104,7 +104,7 @@ func wgTurnOn(settings string, tunFd int32) int32 {
logger.Info.Println("Attaching to interface")
device := device.NewDevice(tun, logger)
setError := device.IpcSetOperation(bufio.NewReader(strings.NewReader(settings)))
setError := device.IpcSetOperation(bufio.NewReader(strings.NewReader(C.GoString(settings))))
if setError != nil {
logger.Error.Println(setError)
return -1
@ -137,12 +137,12 @@ func wgTurnOff(tunnelHandle int32) {
}
//export wgSetConfig
func wgSetConfig(tunnelHandle int32, settings string) int64 {
func wgSetConfig(tunnelHandle int32, settings *C.char) int64 {
device, ok := tunnelHandles[tunnelHandle]
if !ok {
return 0
}
err := device.IpcSetOperation(bufio.NewReader(strings.NewReader(settings)))
err := device.IpcSetOperation(bufio.NewReader(strings.NewReader(C.GoString(settings))))
if err != nil {
device.Error.Println(err)
return err.ErrorCode()

5
wireguard-go-bridge/wireguard.h
View File

@ -10,13 +10,12 @@
#include <stdint.h>
#include <stdbool.h>
typedef struct { const char *p; size_t n; } gostring_t;
typedef void(*logger_fn_t)(int level, const char *msg);
extern void wgEnableRoaming(bool enabled);
extern void wgSetLogger(logger_fn_t logger_fn);
extern int wgTurnOn(gostring_t settings, int32_t tun_fd);
extern int wgTurnOn(const char *settings, int32_t tun_fd);
extern void wgTurnOff(int handle);
extern int64_t wgSetConfig(int handle, gostring_t settings);
extern int64_t wgSetConfig(int handle, const char *settings);
extern char *wgGetConfig(int handle);
extern void wgBumpSockets(int handle);
extern const char *wgVersion();