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wireguard-apple
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Make sure the reference is not nil to packet flow. Thanks go out to "The Eskimo".

This commit is contained in:
Jeroen Leenarts 2018-08-14 21:40:20 +02:00
parent 013a75eda6
commit f590c7ad3e
3 changed files with 11 additions and 3 deletions
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6
WireGuardNetworkExtension/PacketTunnelProvider.swift
View File

@ -41,7 +41,7 @@ class PacketTunnelProvider: NEPacketTunnelProvider {
//TODO: Hardcoded values for addresses
let ipv4Settings = NEIPv4Settings(addresses: ["10.50.10.171"], subnetMasks: ["255.255.224.0"])
//TODO: Hardcoded values for allowed ips
ipv4Settings.includedRoutes = [NEIPv4Route(destinationAddress: "0.0.0.0", subnetMask: "0.0.0.0")]
ipv4Settings.includedRoutes = [NEIPv4Route.default()]
ipv4Settings.excludedRoutes = endpoints.split(separator: ",").compactMap { $0.split(separator: ":").first}.map {NEIPv4Route(destinationAddress: String($0), subnetMask: "255.255.255.255")}
//TODO IPv6 settings
@ -58,12 +58,14 @@ class PacketTunnelProvider: NEPacketTunnelProvider {
}
setTunnelNetworkSettings(newSettings) { [weak self](error) in
completionHandler(error)
self?.wireGuardWrapper.packetFlow = self?.packetFlow
self?.wireGuardWrapper.configured = true
self?.wireGuardWrapper.startReadingPackets()
completionHandler(error)
}
} else {
self.wireGuardWrapper.packetFlow = self.packetFlow
completionHandler(PacketTunnelProviderError.tunnelSetupFailed)
wireGuardWrapper.configured = false
}

2
WireGuardNetworkExtension/WireGuardGoWrapper.h
View File

@ -11,7 +11,7 @@
@interface WireGuardGoWrapper : NSObject
@property (nonatomic, weak) NEPacketTunnelFlow *packetFlow;
@property (nonatomic, strong) NEPacketTunnelFlow *packetFlow;
@property (nonatomic, assign) BOOL configured;
- (BOOL) turnOnWithInterfaceName: (NSString *)interfaceName settingsString: (NSString *)settingsString;

6
WireGuardNetworkExtension/WireGuardGoWrapper.m
View File

@ -83,12 +83,14 @@ static void do_log(int level, const char *tag, const char *msg);
os_log_debug([WireGuardGoWrapper log], "readPackets - read call - on thread \"%{public}@\" - %d", NSThread.currentThread.name, (int)NSThread.currentThread);
[self.packetFlow readPacketsWithCompletionHandler:^(NSArray<NSData *> * _Nonnull packets, NSArray<NSNumber *> * _Nonnull protocols) {
[self.condition lock];
@synchronized(self.packets) {
[self.packets addObjectsFromArray:packets];
[self.protocols addObjectsFromArray:protocols];
}
os_log_debug([WireGuardGoWrapper log], "readPackets - signal - on thread \"%{public}@\" - %d", NSThread.currentThread.name, (int)NSThread.currentThread);
[self.condition signal];
[self.condition unlock];
[self readPackets];
}];
});
@ -126,6 +128,7 @@ static ssize_t do_read(const void *ctx, const unsigned char *buf, size_t len)
NSData * __block packet = nil;
// NSNumber *protocol = nil;
dispatch_sync(wrapper.dispatchQueue, ^{
[wrapper.condition lock];
@synchronized(wrapper.packets) {
if (wrapper.packets.count == 0) {
os_log_debug([WireGuardGoWrapper log], "do_read - no packet - on thread \"%{public}@\" - %d", NSThread.currentThread.name, (int)NSThread.currentThread);
@ -143,7 +146,10 @@ static ssize_t do_read(const void *ctx, const unsigned char *buf, size_t len)
if (packet == nil) {
os_log_debug([WireGuardGoWrapper log], "do_read - wait - on thread \"%{public}@\" - %d", NSThread.currentThread.name, (int)NSThread.currentThread);
[wrapper.condition wait];
[wrapper.condition unlock];
return 0;
} else {
[wrapper.condition unlock];
}
NSUInteger packetLength = [packet length];