The Tor Browser / file comparison
comparison: dom/network/src/TCPSocketParent.cpp
dom/network/src/TCPSocketParent.cpp
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| -1:000000000000 | 0:8f102695c424 |
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| 1 /* This Source Code Form is subject to the terms of the Mozilla Public | |
| 2 * License, v. 2.0. If a copy of the MPL was not distributed with this file, | |
| 3 * You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 4 | |
| 5 #include "TCPSocketParent.h" | |
| 6 #include "jsapi.h" | |
| 7 #include "jsfriendapi.h" | |
| 8 #include "nsJSUtils.h" | |
| 9 #include "nsIDOMTCPSocket.h" | |
| 10 #include "nsCxPusher.h" | |
| 11 #include "mozilla/unused.h" | |
| 12 #include "mozilla/AppProcessChecker.h" | |
| 13 #include "mozilla/net/NeckoCommon.h" | |
| 14 #include "mozilla/net/PNeckoParent.h" | |
| 15 #include "mozilla/dom/ContentParent.h" | |
| 16 #include "mozilla/dom/TabParent.h" | |
| 17 #include "nsIScriptSecurityManager.h" | |
| 18 | |
| 19 namespace IPC { | |
| 20 | |
| 21 //Defined in TCPSocketChild.cpp | |
| 22 extern bool | |
| 23 DeserializeArrayBuffer(JS::Handle<JSObject*> aObj, | |
| 24 const InfallibleTArray<uint8_t>& aBuffer, | |
| 25 JS::MutableHandle<JS::Value> aVal); | |
| 26 | |
| 27 } | |
| 28 | |
| 29 namespace mozilla { | |
| 30 namespace dom { | |
| 31 | |
| 32 static void | |
| 33 FireInteralError(mozilla::net::PTCPSocketParent* aActor, uint32_t aLineNo) | |
| 34 { | |
| 35 mozilla::unused << | |
| 36 aActor->SendCallback(NS_LITERAL_STRING("onerror"), | |
| 37 TCPError(NS_LITERAL_STRING("InvalidStateError")), | |
| 38 NS_LITERAL_STRING("connecting")); | |
| 39 } | |
| 40 | |
| 41 NS_IMPL_CYCLE_COLLECTION(TCPSocketParentBase, mSocket, mIntermediary) | |
| 42 NS_IMPL_CYCLE_COLLECTING_ADDREF(TCPSocketParentBase) | |
| 43 NS_IMPL_CYCLE_COLLECTING_RELEASE(TCPSocketParentBase) | |
| 44 | |
| 45 NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(TCPSocketParentBase) | |
| 46 NS_INTERFACE_MAP_ENTRY(nsITCPSocketParent) | |
| 47 NS_INTERFACE_MAP_ENTRY(nsISupports) | |
| 48 NS_INTERFACE_MAP_END | |
| 49 | |
| 50 TCPSocketParentBase::TCPSocketParentBase() | |
| 51 : mIPCOpen(false) | |
| 52 { | |
| 53 } | |
| 54 | |
| 55 TCPSocketParentBase::~TCPSocketParentBase() | |
| 56 { | |
| 57 } | |
| 58 | |
| 59 void | |
| 60 TCPSocketParentBase::ReleaseIPDLReference() | |
| 61 { | |
| 62 MOZ_ASSERT(mIPCOpen); | |
| 63 mIPCOpen = false; | |
| 64 this->Release(); | |
| 65 } | |
| 66 | |
| 67 void | |
| 68 TCPSocketParentBase::AddIPDLReference() | |
| 69 { | |
| 70 MOZ_ASSERT(!mIPCOpen); | |
| 71 mIPCOpen = true; | |
| 72 this->AddRef(); | |
| 73 } | |
| 74 | |
| 75 NS_IMETHODIMP_(MozExternalRefCountType) TCPSocketParent::Release(void) | |
| 76 { | |
| 77 nsrefcnt refcnt = TCPSocketParentBase::Release(); | |
| 78 if (refcnt == 1 && mIPCOpen) { | |
| 79 mozilla::unused << PTCPSocketParent::SendRequestDelete(); | |
| 80 return 1; | |
| 81 } | |
| 82 return refcnt; | |
| 83 } | |
| 84 | |
| 85 bool | |
| 86 TCPSocketParent::RecvOpen(const nsString& aHost, const uint16_t& aPort, const bool& aUseSSL, | |
| 87 const nsString& aBinaryType) | |
| 88 { | |
| 89 // We don't have browser actors in xpcshell, and hence can't run automated | |
| 90 // tests without this loophole. | |
| 91 if (net::UsingNeckoIPCSecurity() && | |
| 92 !AssertAppProcessPermission(Manager()->Manager(), "tcp-socket")) { | |
| 93 FireInteralError(this, __LINE__); | |
| 94 return true; | |
| 95 } | |
| 96 | |
| 97 // Obtain App ID | |
| 98 uint32_t appId = nsIScriptSecurityManager::NO_APP_ID; | |
| 99 const PContentParent *content = Manager()->Manager(); | |
| 100 const InfallibleTArray<PBrowserParent*>& browsers = content->ManagedPBrowserParent(); | |
| 101 if (browsers.Length() > 0) { | |
| 102 TabParent *tab = static_cast<TabParent*>(browsers[0]); | |
| 103 appId = tab->OwnAppId(); | |
| 104 } | |
| 105 | |
| 106 nsresult rv; | |
| 107 mIntermediary = do_CreateInstance("@mozilla.org/tcp-socket-intermediary;1", &rv); | |
| 108 if (NS_FAILED(rv)) { | |
| 109 FireInteralError(this, __LINE__); | |
| 110 return true; | |
| 111 } | |
| 112 | |
| 113 rv = mIntermediary->Open(this, aHost, aPort, aUseSSL, aBinaryType, appId, | |
| 114 getter_AddRefs(mSocket)); | |
| 115 if (NS_FAILED(rv) || !mSocket) { | |
| 116 FireInteralError(this, __LINE__); | |
| 117 return true; | |
| 118 } | |
| 119 | |
| 120 return true; | |
| 121 } | |
| 122 | |
| 123 NS_IMETHODIMP | |
| 124 TCPSocketParent::InitJS(JS::Handle<JS::Value> aIntermediary, JSContext* aCx) | |
| 125 { | |
| 126 MOZ_ASSERT(aIntermediary.isObject()); | |
| 127 mIntermediaryObj = &aIntermediary.toObject(); | |
| 128 return NS_OK; | |
| 129 } | |
| 130 | |
| 131 bool | |
| 132 TCPSocketParent::RecvStartTLS() | |
| 133 { | |
| 134 NS_ENSURE_TRUE(mSocket, true); | |
| 135 nsresult rv = mSocket->UpgradeToSecure(); | |
| 136 NS_ENSURE_SUCCESS(rv, true); | |
| 137 return true; | |
| 138 } | |
| 139 | |
| 140 bool | |
| 141 TCPSocketParent::RecvSuspend() | |
| 142 { | |
| 143 NS_ENSURE_TRUE(mSocket, true); | |
| 144 nsresult rv = mSocket->Suspend(); | |
| 145 NS_ENSURE_SUCCESS(rv, true); | |
| 146 return true; | |
| 147 } | |
| 148 | |
| 149 bool | |
| 150 TCPSocketParent::RecvResume() | |
| 151 { | |
| 152 NS_ENSURE_TRUE(mSocket, true); | |
| 153 nsresult rv = mSocket->Resume(); | |
| 154 NS_ENSURE_SUCCESS(rv, true); | |
| 155 return true; | |
| 156 } | |
| 157 | |
| 158 bool | |
| 159 TCPSocketParent::RecvData(const SendableData& aData, | |
| 160 const uint32_t& aTrackingNumber) | |
| 161 { | |
| 162 NS_ENSURE_TRUE(mIntermediary, true); | |
| 163 | |
| 164 nsresult rv; | |
| 165 switch (aData.type()) { | |
| 166 case SendableData::TArrayOfuint8_t: { | |
| 167 AutoSafeJSContext cx; | |
| 168 JSAutoRequest ar(cx); | |
| 169 JS::Rooted<JS::Value> val(cx); | |
| 170 JS::Rooted<JSObject*> obj(cx, mIntermediaryObj); | |
| 171 IPC::DeserializeArrayBuffer(obj, aData.get_ArrayOfuint8_t(), &val); | |
| 172 rv = mIntermediary->OnRecvSendArrayBuffer(val, aTrackingNumber); | |
| 173 NS_ENSURE_SUCCESS(rv, true); | |
| 174 break; | |
| 175 } | |
| 176 | |
| 177 case SendableData::TnsString: | |
| 178 rv = mIntermediary->OnRecvSendString(aData.get_nsString(), aTrackingNumber); | |
| 179 NS_ENSURE_SUCCESS(rv, true); | |
| 180 break; | |
| 181 | |
| 182 default: | |
| 183 MOZ_CRASH("unexpected SendableData type"); | |
| 184 } | |
| 185 return true; | |
| 186 } | |
| 187 | |
| 188 bool | |
| 189 TCPSocketParent::RecvClose() | |
| 190 { | |
| 191 NS_ENSURE_TRUE(mSocket, true); | |
| 192 nsresult rv = mSocket->Close(); | |
| 193 NS_ENSURE_SUCCESS(rv, true); | |
| 194 return true; | |
| 195 } | |
| 196 | |
| 197 NS_IMETHODIMP | |
| 198 TCPSocketParent::SendEvent(const nsAString& aType, JS::Handle<JS::Value> aDataVal, | |
| 199 const nsAString& aReadyState, JSContext* aCx) | |
| 200 { | |
| 201 if (!mIPCOpen) { | |
| 202 NS_WARNING("Dropping callback due to no IPC connection"); | |
| 203 return NS_OK; | |
| 204 } | |
| 205 | |
| 206 CallbackData data; | |
| 207 if (aDataVal.isString()) { | |
| 208 JSString* jsstr = aDataVal.toString(); | |
| 209 nsDependentJSString str; | |
| 210 if (!str.init(aCx, jsstr)) { | |
| 211 FireInteralError(this, __LINE__); | |
| 212 return NS_ERROR_OUT_OF_MEMORY; | |
| 213 } | |
| 214 data = SendableData(str); | |
| 215 | |
| 216 } else if (aDataVal.isUndefined() || aDataVal.isNull()) { | |
| 217 data = mozilla::void_t(); | |
| 218 | |
| 219 } else if (aDataVal.isObject()) { | |
| 220 JS::Rooted<JSObject *> obj(aCx, &aDataVal.toObject()); | |
| 221 if (JS_IsArrayBufferObject(obj)) { | |
| 222 uint32_t nbytes = JS_GetArrayBufferByteLength(obj); | |
| 223 uint8_t* buffer = JS_GetArrayBufferData(obj); | |
| 224 if (!buffer) { | |
| 225 FireInteralError(this, __LINE__); | |
| 226 return NS_ERROR_OUT_OF_MEMORY; | |
| 227 } | |
| 228 FallibleTArray<uint8_t> fallibleArr; | |
| 229 if (!fallibleArr.InsertElementsAt(0, buffer, nbytes)) { | |
| 230 FireInteralError(this, __LINE__); | |
| 231 return NS_ERROR_OUT_OF_MEMORY; | |
| 232 } | |
| 233 InfallibleTArray<uint8_t> arr; | |
| 234 arr.SwapElements(fallibleArr); | |
| 235 data = SendableData(arr); | |
| 236 | |
| 237 } else { | |
| 238 nsDependentJSString name; | |
| 239 | |
| 240 JS::Rooted<JS::Value> val(aCx); | |
| 241 if (!JS_GetProperty(aCx, obj, "name", &val)) { | |
| 242 NS_ERROR("No name property on supposed error object"); | |
| 243 } else if (JSVAL_IS_STRING(val)) { | |
| 244 if (!name.init(aCx, JSVAL_TO_STRING(val))) { | |
| 245 NS_WARNING("couldn't initialize string"); | |
| 246 } | |
| 247 } | |
| 248 | |
| 249 data = TCPError(name); | |
| 250 } | |
| 251 } else { | |
| 252 NS_ERROR("Unexpected JS value encountered"); | |
| 253 FireInteralError(this, __LINE__); | |
| 254 return NS_ERROR_FAILURE; | |
| 255 } | |
| 256 mozilla::unused << | |
| 257 PTCPSocketParent::SendCallback(nsString(aType), data, | |
| 258 nsString(aReadyState)); | |
| 259 return NS_OK; | |
| 260 } | |
| 261 | |
| 262 NS_IMETHODIMP | |
| 263 TCPSocketParent::SetSocketAndIntermediary(nsIDOMTCPSocket *socket, | |
| 264 nsITCPSocketIntermediary *intermediary, | |
| 265 JSContext* cx) | |
| 266 { | |
| 267 mSocket = socket; | |
| 268 mIntermediary = intermediary; | |
| 269 return NS_OK; | |
| 270 } | |
| 271 | |
| 272 NS_IMETHODIMP | |
| 273 TCPSocketParent::SendUpdateBufferedAmount(uint32_t aBufferedAmount, | |
| 274 uint32_t aTrackingNumber) | |
| 275 { | |
| 276 mozilla::unused << PTCPSocketParent::SendUpdateBufferedAmount(aBufferedAmount, | |
| 277 aTrackingNumber); | |
| 278 return NS_OK; | |
| 279 } | |
| 280 | |
| 281 void | |
| 282 TCPSocketParent::ActorDestroy(ActorDestroyReason why) | |
| 283 { | |
| 284 if (mSocket) { | |
| 285 mSocket->Close(); | |
| 286 } | |
| 287 mSocket = nullptr; | |
| 288 mIntermediaryObj = nullptr; | |
| 289 mIntermediary = nullptr; | |
| 290 } | |
| 291 | |
| 292 bool | |
| 293 TCPSocketParent::RecvRequestDelete() | |
| 294 { | |
| 295 mozilla::unused << Send__delete__(this); | |
| 296 return true; | |
| 297 } | |
| 298 | |
| 299 } // namespace dom | |
| 300 } // namespace mozilla |
