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VPN: Make sure actions inside tunnelProvider completion handlers are done in the main queue

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They should really already be in the main queue, but we do this just in case.

Signed-off-by: Roopesh Chander <roop@roopc.net>
This commit is contained in:
Roopesh Chander 2018-11-03 19:20:00 +05:30
parent 582092abb1
commit 68f91e2a84
1 changed files with 35 additions and 17 deletions
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52
WireGuard/WireGuard/VPN/TunnelsManager.swift
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@ -48,7 +48,9 @@ class TunnelsManager {
os_log("Failed to load tunnel provider managers: %{public}@", log: OSLog.default, type: .debug, "\(error)")
return
}
completionHandler(TunnelsManager(tunnelProviders: managers ?? []))
DispatchQueue.main.async {
completionHandler(TunnelsManager(tunnelProviders: managers ?? []))
}
}
}
@ -74,10 +76,13 @@ class TunnelsManager {
defer { self?.isAddingTunnel = false }
guard (error == nil) else {
os_log("Add: Saving configuration failed: %{public}@", log: OSLog.default, type: .error, "\(error!)")
completionHandler(nil, TunnelManagementError.vpnSystemErrorOnAddTunnel)
DispatchQueue.main.async {
completionHandler(nil, TunnelManagementError.vpnSystemErrorOnAddTunnel)
}
return
}
if let s = self {
DispatchQueue.main.async { [weak self] in
guard let s = self else { return }
let tunnel = TunnelContainer(tunnel: tunnelProviderManager)
s.tunnels.append(tunnel)
s.tunnels.sort { $0.name < $1.name }
@ -132,10 +137,13 @@ class TunnelsManager {
defer { self?.isModifyingTunnel = false }
guard (error == nil) else {
os_log("Modify: Saving configuration failed: %{public}@", log: OSLog.default, type: .error, "\(error!)")
completionHandler(TunnelManagementError.vpnSystemErrorOnModifyTunnel)
DispatchQueue.main.async {
completionHandler(TunnelManagementError.vpnSystemErrorOnModifyTunnel)
}
return
}
if let s = self {
DispatchQueue.main.async { [weak self] in
guard let s = self else { return }
if (isNameChanged) {
let oldIndex = s.tunnels.firstIndex(of: tunnel)!
s.tunnels.sort { $0.name < $1.name }
@ -166,12 +174,13 @@ class TunnelsManager {
completionHandler(TunnelManagementError.vpnSystemErrorOnRemoveTunnel)
return
}
if let s = self {
DispatchQueue.main.async { [weak self] in
guard let s = self else { return }
let index = s.tunnels.firstIndex(of: tunnel)!
s.tunnels.remove(at: index)
s.delegate?.tunnelRemoved(at: index)
completionHandler(nil)
}
completionHandler(nil)
}
}
@ -330,12 +339,16 @@ class TunnelContainer: NSObject {
tunnelProvider.saveToPreferences { [weak self] (error) in
if (error != nil) {
os_log("Error saving tunnel after re-enabling: %{public}@", log: OSLog.default, type: .error, "\(error!)")
completionHandler(error)
DispatchQueue.main.async {
completionHandler(error)
}
return
}
os_log("startActivation: Tunnel saved after re-enabling", log: OSLog.default, type: .info)
os_log("startActivation: Invoking startActivation", log: OSLog.default, type: .debug)
self?.startActivation(recursionCount: recursionCount + 1, lastError: NEVPNError(NEVPNError.configurationUnknown), tunnelConfiguration: tunnelConfiguration, resolvedEndpoints: resolvedEndpoints, completionHandler: completionHandler)
DispatchQueue.main.async { [weak self] in
self?.startActivation(recursionCount: recursionCount + 1, lastError: NEVPNError(NEVPNError.configurationUnknown), tunnelConfiguration: tunnelConfiguration, resolvedEndpoints: resolvedEndpoints, completionHandler: completionHandler)
}
}
return
}
@ -355,15 +368,17 @@ class TunnelContainer: NSObject {
os_log("startActivation: Error starting tunnel. Examining error", log: OSLog.default, type: .debug)
guard let vpnError = error as? NEVPNError else {
os_log("Failed to activate tunnel: %{public}@", log: OSLog.default, type: .debug, "\(error)")
status = .inactive
completionHandler(error)
DispatchQueue.main.async {
completionHandler(error)
}
return
}
guard (vpnError.code == NEVPNError.configurationInvalid || vpnError.code == NEVPNError.configurationStale) else {
os_log("Failed to activate tunnel: %{public}@", log: OSLog.default, type: .debug, "\(error)")
status = .inactive
os_log("Failed to activate tunnel: %{public}@", log: OSLog.default, type: .debug, "\(error)")
DispatchQueue.main.async {
completionHandler(error)
return
}
return
}
assert(vpnError.code == NEVPNError.configurationInvalid || vpnError.code == NEVPNError.configurationStale)
os_log("startActivation: Error says: %{public}@", log: OSLog.default, type: .debug,
@ -372,13 +387,16 @@ class TunnelContainer: NSObject {
tunnelProvider.loadFromPreferences { [weak self] (error) in
if (error != nil) {
os_log("Failed to activate tunnel: %{public}@", log: OSLog.default, type: .debug, "\(error!)")
self?.status = .inactive
completionHandler(error)
DispatchQueue.main.async {
completionHandler(error)
}
return
}
os_log("startActivation: Tunnel reloaded", log: OSLog.default, type: .info)
os_log("startActivation: Invoking startActivation", log: OSLog.default, type: .debug)
self?.startActivation(recursionCount: recursionCount + 1, lastError: vpnError, tunnelConfiguration: tunnelConfiguration, resolvedEndpoints: resolvedEndpoints, completionHandler: completionHandler)
DispatchQueue.main.async { [weak self] in
self?.startActivation(recursionCount: recursionCount + 1, lastError: vpnError, tunnelConfiguration: tunnelConfiguration, resolvedEndpoints: resolvedEndpoints, completionHandler: completionHandler)
}
}
}
}