Andreas Huber | 7a747b8 | 2010-06-07 15:19:40 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2010 The Android Open Source Project |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | |
Andreas Huber | 6e3fa44 | 2010-09-21 13:13:15 -0700 | [diff] [blame] | 17 | //#define LOG_NDEBUG 0 |
| 18 | #define LOG_TAG "ARTSPConnection" |
| 19 | #include <utils/Log.h> |
| 20 | |
Andreas Huber | 7a747b8 | 2010-06-07 15:19:40 -0700 | [diff] [blame] | 21 | #include "ARTSPConnection.h" |
| 22 | |
Andreas Huber | b0e7381 | 2011-03-29 13:34:28 -0700 | [diff] [blame] | 23 | #include <cutils/properties.h> |
| 24 | |
Andreas Huber | 7a747b8 | 2010-06-07 15:19:40 -0700 | [diff] [blame] | 25 | #include <media/stagefright/foundation/ABuffer.h> |
| 26 | #include <media/stagefright/foundation/ADebug.h> |
| 27 | #include <media/stagefright/foundation/AMessage.h> |
Andreas Huber | a0b442e | 2010-10-20 15:00:34 -0700 | [diff] [blame] | 28 | #include <media/stagefright/foundation/base64.h> |
Andreas Huber | 0416da7 | 2010-08-26 11:17:32 -0700 | [diff] [blame] | 29 | #include <media/stagefright/MediaErrors.h> |
Andreas Huber | 7a747b8 | 2010-06-07 15:19:40 -0700 | [diff] [blame] | 30 | |
| 31 | #include <arpa/inet.h> |
| 32 | #include <fcntl.h> |
| 33 | #include <netdb.h> |
Andreas Huber | a0b442e | 2010-10-20 15:00:34 -0700 | [diff] [blame] | 34 | #include <openssl/md5.h> |
Andreas Huber | 7a747b8 | 2010-06-07 15:19:40 -0700 | [diff] [blame] | 35 | #include <sys/socket.h> |
| 36 | |
Andreas Huber | c311933 | 2011-07-13 15:45:01 -0700 | [diff] [blame] | 37 | #include "HTTPBase.h" |
Andreas Huber | 603d739 | 2011-06-30 15:47:02 -0700 | [diff] [blame] | 38 | |
Andreas Huber | 7a747b8 | 2010-06-07 15:19:40 -0700 | [diff] [blame] | 39 | namespace android { |
| 40 | |
| 41 | // static |
| 42 | const int64_t ARTSPConnection::kSelectTimeoutUs = 1000ll; |
| 43 | |
Andreas Huber | 603d739 | 2011-06-30 15:47:02 -0700 | [diff] [blame] | 44 | ARTSPConnection::ARTSPConnection(bool uidValid, uid_t uid) |
| 45 | : mUIDValid(uidValid), |
| 46 | mUID(uid), |
| 47 | mState(DISCONNECTED), |
Andreas Huber | a0b442e | 2010-10-20 15:00:34 -0700 | [diff] [blame] | 48 | mAuthType(NONE), |
Andreas Huber | 7a747b8 | 2010-06-07 15:19:40 -0700 | [diff] [blame] | 49 | mSocket(-1), |
| 50 | mConnectionID(0), |
| 51 | mNextCSeq(0), |
| 52 | mReceiveResponseEventPending(false) { |
Andreas Huber | b0e7381 | 2011-03-29 13:34:28 -0700 | [diff] [blame] | 53 | MakeUserAgent(&mUserAgent); |
Andreas Huber | 7a747b8 | 2010-06-07 15:19:40 -0700 | [diff] [blame] | 54 | } |
| 55 | |
| 56 | ARTSPConnection::~ARTSPConnection() { |
| 57 | if (mSocket >= 0) { |
Andreas Huber | 6e3fa44 | 2010-09-21 13:13:15 -0700 | [diff] [blame] | 58 | LOGE("Connection is still open, closing the socket."); |
Ashish Sharma | d5a20d8 | 2011-07-07 17:57:05 -0700 | [diff] [blame] | 59 | if (mUIDValid) { |
| 60 | HTTPBase::UnRegisterSocketUserTag(mSocket); |
| 61 | } |
Andreas Huber | 7a747b8 | 2010-06-07 15:19:40 -0700 | [diff] [blame] | 62 | close(mSocket); |
| 63 | mSocket = -1; |
| 64 | } |
| 65 | } |
| 66 | |
| 67 | void ARTSPConnection::connect(const char *url, const sp<AMessage> &reply) { |
| 68 | sp<AMessage> msg = new AMessage(kWhatConnect, id()); |
| 69 | msg->setString("url", url); |
| 70 | msg->setMessage("reply", reply); |
| 71 | msg->post(); |
| 72 | } |
| 73 | |
| 74 | void ARTSPConnection::disconnect(const sp<AMessage> &reply) { |
| 75 | sp<AMessage> msg = new AMessage(kWhatDisconnect, id()); |
| 76 | msg->setMessage("reply", reply); |
| 77 | msg->post(); |
| 78 | } |
| 79 | |
| 80 | void ARTSPConnection::sendRequest( |
| 81 | const char *request, const sp<AMessage> &reply) { |
| 82 | sp<AMessage> msg = new AMessage(kWhatSendRequest, id()); |
| 83 | msg->setString("request", request); |
| 84 | msg->setMessage("reply", reply); |
| 85 | msg->post(); |
| 86 | } |
| 87 | |
Andreas Huber | 0416da7 | 2010-08-26 11:17:32 -0700 | [diff] [blame] | 88 | void ARTSPConnection::observeBinaryData(const sp<AMessage> &reply) { |
| 89 | sp<AMessage> msg = new AMessage(kWhatObserveBinaryData, id()); |
| 90 | msg->setMessage("reply", reply); |
| 91 | msg->post(); |
| 92 | } |
| 93 | |
Andreas Huber | 7a747b8 | 2010-06-07 15:19:40 -0700 | [diff] [blame] | 94 | void ARTSPConnection::onMessageReceived(const sp<AMessage> &msg) { |
| 95 | switch (msg->what()) { |
| 96 | case kWhatConnect: |
| 97 | onConnect(msg); |
| 98 | break; |
| 99 | |
| 100 | case kWhatDisconnect: |
| 101 | onDisconnect(msg); |
| 102 | break; |
| 103 | |
| 104 | case kWhatCompleteConnection: |
| 105 | onCompleteConnection(msg); |
| 106 | break; |
| 107 | |
| 108 | case kWhatSendRequest: |
| 109 | onSendRequest(msg); |
| 110 | break; |
| 111 | |
| 112 | case kWhatReceiveResponse: |
| 113 | onReceiveResponse(); |
| 114 | break; |
| 115 | |
Andreas Huber | 0416da7 | 2010-08-26 11:17:32 -0700 | [diff] [blame] | 116 | case kWhatObserveBinaryData: |
| 117 | { |
| 118 | CHECK(msg->findMessage("reply", &mObserveBinaryMessage)); |
| 119 | break; |
| 120 | } |
| 121 | |
Andreas Huber | 7a747b8 | 2010-06-07 15:19:40 -0700 | [diff] [blame] | 122 | default: |
| 123 | TRESPASS(); |
| 124 | break; |
| 125 | } |
| 126 | } |
| 127 | |
| 128 | // static |
| 129 | bool ARTSPConnection::ParseURL( |
Andreas Huber | a0b442e | 2010-10-20 15:00:34 -0700 | [diff] [blame] | 130 | const char *url, AString *host, unsigned *port, AString *path, |
| 131 | AString *user, AString *pass) { |
Andreas Huber | 7a747b8 | 2010-06-07 15:19:40 -0700 | [diff] [blame] | 132 | host->clear(); |
| 133 | *port = 0; |
| 134 | path->clear(); |
Andreas Huber | a0b442e | 2010-10-20 15:00:34 -0700 | [diff] [blame] | 135 | user->clear(); |
| 136 | pass->clear(); |
Andreas Huber | 7a747b8 | 2010-06-07 15:19:40 -0700 | [diff] [blame] | 137 | |
| 138 | if (strncasecmp("rtsp://", url, 7)) { |
| 139 | return false; |
| 140 | } |
| 141 | |
| 142 | const char *slashPos = strchr(&url[7], '/'); |
| 143 | |
| 144 | if (slashPos == NULL) { |
| 145 | host->setTo(&url[7]); |
| 146 | path->setTo("/"); |
| 147 | } else { |
| 148 | host->setTo(&url[7], slashPos - &url[7]); |
| 149 | path->setTo(slashPos); |
| 150 | } |
| 151 | |
Andreas Huber | a0b442e | 2010-10-20 15:00:34 -0700 | [diff] [blame] | 152 | ssize_t atPos = host->find("@"); |
| 153 | |
| 154 | if (atPos >= 0) { |
| 155 | // Split of user:pass@ from hostname. |
| 156 | |
| 157 | AString userPass(*host, 0, atPos); |
| 158 | host->erase(0, atPos + 1); |
| 159 | |
| 160 | ssize_t colonPos = userPass.find(":"); |
| 161 | |
| 162 | if (colonPos < 0) { |
| 163 | *user = userPass; |
| 164 | } else { |
| 165 | user->setTo(userPass, 0, colonPos); |
| 166 | pass->setTo(userPass, colonPos + 1, userPass.size() - colonPos - 1); |
| 167 | } |
| 168 | } |
| 169 | |
Mike Lockwood | 5a23f8c | 2010-07-15 14:58:25 -0400 | [diff] [blame] | 170 | const char *colonPos = strchr(host->c_str(), ':'); |
Andreas Huber | 7a747b8 | 2010-06-07 15:19:40 -0700 | [diff] [blame] | 171 | |
| 172 | if (colonPos != NULL) { |
| 173 | unsigned long x; |
| 174 | if (!ParseSingleUnsignedLong(colonPos + 1, &x) || x >= 65536) { |
| 175 | return false; |
| 176 | } |
| 177 | |
| 178 | *port = x; |
| 179 | |
| 180 | size_t colonOffset = colonPos - host->c_str(); |
| 181 | size_t trailing = host->size() - colonOffset; |
| 182 | host->erase(colonOffset, trailing); |
| 183 | } else { |
| 184 | *port = 554; |
| 185 | } |
| 186 | |
| 187 | return true; |
| 188 | } |
| 189 | |
Andreas Huber | 58c94bf | 2011-11-10 14:48:20 -0800 | [diff] [blame] | 190 | static status_t MakeSocketBlocking(int s, bool blocking) { |
Andreas Huber | af063a6 | 2010-08-18 10:17:18 -0700 | [diff] [blame] | 191 | // Make socket non-blocking. |
| 192 | int flags = fcntl(s, F_GETFL, 0); |
Andreas Huber | 58c94bf | 2011-11-10 14:48:20 -0800 | [diff] [blame] | 193 | |
| 194 | if (flags == -1) { |
| 195 | return UNKNOWN_ERROR; |
| 196 | } |
Andreas Huber | af063a6 | 2010-08-18 10:17:18 -0700 | [diff] [blame] | 197 | |
| 198 | if (blocking) { |
| 199 | flags &= ~O_NONBLOCK; |
| 200 | } else { |
| 201 | flags |= O_NONBLOCK; |
| 202 | } |
| 203 | |
Andreas Huber | 58c94bf | 2011-11-10 14:48:20 -0800 | [diff] [blame] | 204 | flags = fcntl(s, F_SETFL, flags); |
| 205 | |
| 206 | return flags == -1 ? UNKNOWN_ERROR : OK; |
Andreas Huber | af063a6 | 2010-08-18 10:17:18 -0700 | [diff] [blame] | 207 | } |
| 208 | |
Andreas Huber | 7a747b8 | 2010-06-07 15:19:40 -0700 | [diff] [blame] | 209 | void ARTSPConnection::onConnect(const sp<AMessage> &msg) { |
| 210 | ++mConnectionID; |
| 211 | |
| 212 | if (mState != DISCONNECTED) { |
Ashish Sharma | d5a20d8 | 2011-07-07 17:57:05 -0700 | [diff] [blame] | 213 | if (mUIDValid) { |
| 214 | HTTPBase::UnRegisterSocketUserTag(mSocket); |
| 215 | } |
Andreas Huber | 7a747b8 | 2010-06-07 15:19:40 -0700 | [diff] [blame] | 216 | close(mSocket); |
| 217 | mSocket = -1; |
| 218 | |
| 219 | flushPendingRequests(); |
| 220 | } |
| 221 | |
| 222 | mState = CONNECTING; |
| 223 | |
Andreas Huber | 7a747b8 | 2010-06-07 15:19:40 -0700 | [diff] [blame] | 224 | AString url; |
| 225 | CHECK(msg->findString("url", &url)); |
| 226 | |
Andreas Huber | f3d2bdf | 2010-09-15 11:18:13 -0700 | [diff] [blame] | 227 | sp<AMessage> reply; |
| 228 | CHECK(msg->findMessage("reply", &reply)); |
| 229 | |
Andreas Huber | 7a747b8 | 2010-06-07 15:19:40 -0700 | [diff] [blame] | 230 | AString host, path; |
| 231 | unsigned port; |
Andreas Huber | a0b442e | 2010-10-20 15:00:34 -0700 | [diff] [blame] | 232 | if (!ParseURL(url.c_str(), &host, &port, &path, &mUser, &mPass) |
| 233 | || (mUser.size() > 0 && mPass.size() == 0)) { |
| 234 | // If we have a user name but no password we have to give up |
| 235 | // right here, since we currently have no way of asking the user |
| 236 | // for this information. |
| 237 | |
Andreas Huber | 6e3fa44 | 2010-09-21 13:13:15 -0700 | [diff] [blame] | 238 | LOGE("Malformed rtsp url %s", url.c_str()); |
Andreas Huber | f3d2bdf | 2010-09-15 11:18:13 -0700 | [diff] [blame] | 239 | |
| 240 | reply->setInt32("result", ERROR_MALFORMED); |
| 241 | reply->post(); |
| 242 | |
| 243 | mState = DISCONNECTED; |
| 244 | return; |
| 245 | } |
Andreas Huber | 7a747b8 | 2010-06-07 15:19:40 -0700 | [diff] [blame] | 246 | |
Andreas Huber | a0b442e | 2010-10-20 15:00:34 -0700 | [diff] [blame] | 247 | if (mUser.size() > 0) { |
Steve Block | 71f2cf1 | 2011-10-20 11:56:00 +0100 | [diff] [blame] | 248 | ALOGV("user = '%s', pass = '%s'", mUser.c_str(), mPass.c_str()); |
Andreas Huber | a0b442e | 2010-10-20 15:00:34 -0700 | [diff] [blame] | 249 | } |
| 250 | |
Andreas Huber | 7a747b8 | 2010-06-07 15:19:40 -0700 | [diff] [blame] | 251 | struct hostent *ent = gethostbyname(host.c_str()); |
Andreas Huber | f3d2bdf | 2010-09-15 11:18:13 -0700 | [diff] [blame] | 252 | if (ent == NULL) { |
Andreas Huber | 6e3fa44 | 2010-09-21 13:13:15 -0700 | [diff] [blame] | 253 | LOGE("Unknown host %s", host.c_str()); |
Andreas Huber | f3d2bdf | 2010-09-15 11:18:13 -0700 | [diff] [blame] | 254 | |
| 255 | reply->setInt32("result", -ENOENT); |
| 256 | reply->post(); |
| 257 | |
| 258 | mState = DISCONNECTED; |
| 259 | return; |
| 260 | } |
| 261 | |
| 262 | mSocket = socket(AF_INET, SOCK_STREAM, 0); |
| 263 | |
Andreas Huber | 603d739 | 2011-06-30 15:47:02 -0700 | [diff] [blame] | 264 | if (mUIDValid) { |
Ashish Sharma | d5a20d8 | 2011-07-07 17:57:05 -0700 | [diff] [blame] | 265 | HTTPBase::RegisterSocketUserTag(mSocket, mUID, |
| 266 | (uint32_t)*(uint32_t*) "RTSP"); |
Andreas Huber | 603d739 | 2011-06-30 15:47:02 -0700 | [diff] [blame] | 267 | } |
| 268 | |
Andreas Huber | f3d2bdf | 2010-09-15 11:18:13 -0700 | [diff] [blame] | 269 | MakeSocketBlocking(mSocket, false); |
Andreas Huber | 7a747b8 | 2010-06-07 15:19:40 -0700 | [diff] [blame] | 270 | |
| 271 | struct sockaddr_in remote; |
| 272 | memset(remote.sin_zero, 0, sizeof(remote.sin_zero)); |
| 273 | remote.sin_family = AF_INET; |
| 274 | remote.sin_addr.s_addr = *(in_addr_t *)ent->h_addr; |
| 275 | remote.sin_port = htons(port); |
| 276 | |
| 277 | int err = ::connect( |
| 278 | mSocket, (const struct sockaddr *)&remote, sizeof(remote)); |
| 279 | |
Andreas Huber | 7a747b8 | 2010-06-07 15:19:40 -0700 | [diff] [blame] | 280 | reply->setInt32("server-ip", ntohl(remote.sin_addr.s_addr)); |
| 281 | |
| 282 | if (err < 0) { |
| 283 | if (errno == EINPROGRESS) { |
| 284 | sp<AMessage> msg = new AMessage(kWhatCompleteConnection, id()); |
| 285 | msg->setMessage("reply", reply); |
| 286 | msg->setInt32("connection-id", mConnectionID); |
| 287 | msg->post(); |
| 288 | return; |
| 289 | } |
| 290 | |
| 291 | reply->setInt32("result", -errno); |
| 292 | mState = DISCONNECTED; |
| 293 | |
Ashish Sharma | d5a20d8 | 2011-07-07 17:57:05 -0700 | [diff] [blame] | 294 | if (mUIDValid) { |
| 295 | HTTPBase::UnRegisterSocketUserTag(mSocket); |
| 296 | } |
Andreas Huber | 7a747b8 | 2010-06-07 15:19:40 -0700 | [diff] [blame] | 297 | close(mSocket); |
| 298 | mSocket = -1; |
| 299 | } else { |
| 300 | reply->setInt32("result", OK); |
| 301 | mState = CONNECTED; |
| 302 | mNextCSeq = 1; |
| 303 | |
| 304 | postReceiveReponseEvent(); |
| 305 | } |
| 306 | |
| 307 | reply->post(); |
| 308 | } |
| 309 | |
Andreas Huber | 58c94bf | 2011-11-10 14:48:20 -0800 | [diff] [blame] | 310 | void ARTSPConnection::performDisconnect() { |
| 311 | if (mUIDValid) { |
| 312 | HTTPBase::UnRegisterSocketUserTag(mSocket); |
| 313 | } |
| 314 | close(mSocket); |
| 315 | mSocket = -1; |
| 316 | |
| 317 | flushPendingRequests(); |
| 318 | |
| 319 | mUser.clear(); |
| 320 | mPass.clear(); |
| 321 | mAuthType = NONE; |
| 322 | mNonce.clear(); |
| 323 | |
| 324 | mState = DISCONNECTED; |
| 325 | } |
| 326 | |
Andreas Huber | 7a747b8 | 2010-06-07 15:19:40 -0700 | [diff] [blame] | 327 | void ARTSPConnection::onDisconnect(const sp<AMessage> &msg) { |
| 328 | if (mState == CONNECTED || mState == CONNECTING) { |
Andreas Huber | 58c94bf | 2011-11-10 14:48:20 -0800 | [diff] [blame] | 329 | performDisconnect(); |
Andreas Huber | af063a6 | 2010-08-18 10:17:18 -0700 | [diff] [blame] | 330 | } |
Andreas Huber | 7a747b8 | 2010-06-07 15:19:40 -0700 | [diff] [blame] | 331 | |
| 332 | sp<AMessage> reply; |
| 333 | CHECK(msg->findMessage("reply", &reply)); |
| 334 | |
| 335 | reply->setInt32("result", OK); |
Andreas Huber | a0b442e | 2010-10-20 15:00:34 -0700 | [diff] [blame] | 336 | |
Andreas Huber | 7a747b8 | 2010-06-07 15:19:40 -0700 | [diff] [blame] | 337 | reply->post(); |
| 338 | } |
| 339 | |
| 340 | void ARTSPConnection::onCompleteConnection(const sp<AMessage> &msg) { |
| 341 | sp<AMessage> reply; |
| 342 | CHECK(msg->findMessage("reply", &reply)); |
| 343 | |
| 344 | int32_t connectionID; |
| 345 | CHECK(msg->findInt32("connection-id", &connectionID)); |
| 346 | |
| 347 | if ((connectionID != mConnectionID) || mState != CONNECTING) { |
| 348 | // While we were attempting to connect, the attempt was |
| 349 | // cancelled. |
| 350 | reply->setInt32("result", -ECONNABORTED); |
| 351 | reply->post(); |
| 352 | return; |
| 353 | } |
| 354 | |
| 355 | struct timeval tv; |
| 356 | tv.tv_sec = 0; |
| 357 | tv.tv_usec = kSelectTimeoutUs; |
| 358 | |
| 359 | fd_set ws; |
| 360 | FD_ZERO(&ws); |
| 361 | FD_SET(mSocket, &ws); |
| 362 | |
| 363 | int res = select(mSocket + 1, NULL, &ws, NULL, &tv); |
| 364 | CHECK_GE(res, 0); |
| 365 | |
| 366 | if (res == 0) { |
| 367 | // Timed out. Not yet connected. |
| 368 | |
| 369 | msg->post(); |
| 370 | return; |
| 371 | } |
| 372 | |
| 373 | int err; |
| 374 | socklen_t optionLen = sizeof(err); |
| 375 | CHECK_EQ(getsockopt(mSocket, SOL_SOCKET, SO_ERROR, &err, &optionLen), 0); |
| 376 | CHECK_EQ(optionLen, (socklen_t)sizeof(err)); |
| 377 | |
| 378 | if (err != 0) { |
Andreas Huber | 6e3fa44 | 2010-09-21 13:13:15 -0700 | [diff] [blame] | 379 | LOGE("err = %d (%s)", err, strerror(err)); |
Andreas Huber | 7a747b8 | 2010-06-07 15:19:40 -0700 | [diff] [blame] | 380 | |
| 381 | reply->setInt32("result", -err); |
| 382 | |
| 383 | mState = DISCONNECTED; |
Ashish Sharma | d5a20d8 | 2011-07-07 17:57:05 -0700 | [diff] [blame] | 384 | if (mUIDValid) { |
| 385 | HTTPBase::UnRegisterSocketUserTag(mSocket); |
| 386 | } |
Andreas Huber | 7a747b8 | 2010-06-07 15:19:40 -0700 | [diff] [blame] | 387 | close(mSocket); |
| 388 | mSocket = -1; |
| 389 | } else { |
| 390 | reply->setInt32("result", OK); |
| 391 | mState = CONNECTED; |
| 392 | mNextCSeq = 1; |
| 393 | |
| 394 | postReceiveReponseEvent(); |
| 395 | } |
| 396 | |
| 397 | reply->post(); |
| 398 | } |
| 399 | |
| 400 | void ARTSPConnection::onSendRequest(const sp<AMessage> &msg) { |
| 401 | sp<AMessage> reply; |
| 402 | CHECK(msg->findMessage("reply", &reply)); |
| 403 | |
| 404 | if (mState != CONNECTED) { |
| 405 | reply->setInt32("result", -ENOTCONN); |
| 406 | reply->post(); |
| 407 | return; |
| 408 | } |
| 409 | |
| 410 | AString request; |
| 411 | CHECK(msg->findString("request", &request)); |
| 412 | |
Andreas Huber | a0b442e | 2010-10-20 15:00:34 -0700 | [diff] [blame] | 413 | // Just in case we need to re-issue the request with proper authentication |
| 414 | // later, stash it away. |
| 415 | reply->setString("original-request", request.c_str(), request.size()); |
| 416 | |
| 417 | addAuthentication(&request); |
Andreas Huber | b0e7381 | 2011-03-29 13:34:28 -0700 | [diff] [blame] | 418 | addUserAgent(&request); |
Andreas Huber | a0b442e | 2010-10-20 15:00:34 -0700 | [diff] [blame] | 419 | |
Andreas Huber | 7a747b8 | 2010-06-07 15:19:40 -0700 | [diff] [blame] | 420 | // Find the boundary between headers and the body. |
| 421 | ssize_t i = request.find("\r\n\r\n"); |
| 422 | CHECK_GE(i, 0); |
| 423 | |
| 424 | int32_t cseq = mNextCSeq++; |
| 425 | |
| 426 | AString cseqHeader = "CSeq: "; |
| 427 | cseqHeader.append(cseq); |
| 428 | cseqHeader.append("\r\n"); |
| 429 | |
| 430 | request.insert(cseqHeader, i + 2); |
| 431 | |
Steve Block | 71f2cf1 | 2011-10-20 11:56:00 +0100 | [diff] [blame] | 432 | ALOGV("request: '%s'", request.c_str()); |
Andreas Huber | 7a747b8 | 2010-06-07 15:19:40 -0700 | [diff] [blame] | 433 | |
| 434 | size_t numBytesSent = 0; |
| 435 | while (numBytesSent < request.size()) { |
| 436 | ssize_t n = |
| 437 | send(mSocket, request.c_str() + numBytesSent, |
| 438 | request.size() - numBytesSent, 0); |
| 439 | |
Andreas Huber | 58c94bf | 2011-11-10 14:48:20 -0800 | [diff] [blame] | 440 | if (n < 0 && errno == EINTR) { |
| 441 | continue; |
| 442 | } |
Andreas Huber | f3d2bdf | 2010-09-15 11:18:13 -0700 | [diff] [blame] | 443 | |
Andreas Huber | 58c94bf | 2011-11-10 14:48:20 -0800 | [diff] [blame] | 444 | if (n <= 0) { |
| 445 | performDisconnect(); |
| 446 | |
| 447 | if (n == 0) { |
| 448 | // Server closed the connection. |
| 449 | LOGE("Server unexpectedly closed the connection."); |
| 450 | |
| 451 | reply->setInt32("result", ERROR_IO); |
| 452 | reply->post(); |
| 453 | } else { |
| 454 | LOGE("Error sending rtsp request. (%s)", strerror(errno)); |
| 455 | reply->setInt32("result", -errno); |
| 456 | reply->post(); |
Andreas Huber | 7a747b8 | 2010-06-07 15:19:40 -0700 | [diff] [blame] | 457 | } |
| 458 | |
Andreas Huber | f3d2bdf | 2010-09-15 11:18:13 -0700 | [diff] [blame] | 459 | return; |
Andreas Huber | 7a747b8 | 2010-06-07 15:19:40 -0700 | [diff] [blame] | 460 | } |
| 461 | |
| 462 | numBytesSent += (size_t)n; |
| 463 | } |
| 464 | |
| 465 | mPendingRequests.add(cseq, reply); |
| 466 | } |
| 467 | |
| 468 | void ARTSPConnection::onReceiveResponse() { |
| 469 | mReceiveResponseEventPending = false; |
| 470 | |
| 471 | if (mState != CONNECTED) { |
| 472 | return; |
| 473 | } |
| 474 | |
| 475 | struct timeval tv; |
| 476 | tv.tv_sec = 0; |
| 477 | tv.tv_usec = kSelectTimeoutUs; |
| 478 | |
| 479 | fd_set rs; |
| 480 | FD_ZERO(&rs); |
| 481 | FD_SET(mSocket, &rs); |
| 482 | |
| 483 | int res = select(mSocket + 1, &rs, NULL, NULL, &tv); |
| 484 | CHECK_GE(res, 0); |
| 485 | |
| 486 | if (res == 1) { |
Andreas Huber | af063a6 | 2010-08-18 10:17:18 -0700 | [diff] [blame] | 487 | MakeSocketBlocking(mSocket, true); |
| 488 | |
| 489 | bool success = receiveRTSPReponse(); |
| 490 | |
| 491 | MakeSocketBlocking(mSocket, false); |
| 492 | |
| 493 | if (!success) { |
Andreas Huber | 7a747b8 | 2010-06-07 15:19:40 -0700 | [diff] [blame] | 494 | // Something horrible, irreparable has happened. |
| 495 | flushPendingRequests(); |
| 496 | return; |
| 497 | } |
| 498 | } |
| 499 | |
| 500 | postReceiveReponseEvent(); |
| 501 | } |
| 502 | |
| 503 | void ARTSPConnection::flushPendingRequests() { |
| 504 | for (size_t i = 0; i < mPendingRequests.size(); ++i) { |
| 505 | sp<AMessage> reply = mPendingRequests.valueAt(i); |
| 506 | |
| 507 | reply->setInt32("result", -ECONNABORTED); |
| 508 | reply->post(); |
| 509 | } |
| 510 | |
| 511 | mPendingRequests.clear(); |
| 512 | } |
| 513 | |
| 514 | void ARTSPConnection::postReceiveReponseEvent() { |
| 515 | if (mReceiveResponseEventPending) { |
| 516 | return; |
| 517 | } |
| 518 | |
| 519 | sp<AMessage> msg = new AMessage(kWhatReceiveResponse, id()); |
| 520 | msg->post(); |
| 521 | |
| 522 | mReceiveResponseEventPending = true; |
| 523 | } |
| 524 | |
Andreas Huber | 0416da7 | 2010-08-26 11:17:32 -0700 | [diff] [blame] | 525 | status_t ARTSPConnection::receive(void *data, size_t size) { |
| 526 | size_t offset = 0; |
| 527 | while (offset < size) { |
| 528 | ssize_t n = recv(mSocket, (uint8_t *)data + offset, size - offset, 0); |
Andreas Huber | 7a747b8 | 2010-06-07 15:19:40 -0700 | [diff] [blame] | 529 | |
Andreas Huber | 58c94bf | 2011-11-10 14:48:20 -0800 | [diff] [blame] | 530 | if (n < 0 && errno == EINTR) { |
| 531 | continue; |
| 532 | } |
| 533 | |
| 534 | if (n <= 0) { |
| 535 | performDisconnect(); |
| 536 | |
| 537 | if (n == 0) { |
| 538 | // Server closed the connection. |
| 539 | LOGE("Server unexpectedly closed the connection."); |
| 540 | return ERROR_IO; |
| 541 | } else { |
| 542 | LOGE("Error reading rtsp response. (%s)", strerror(errno)); |
| 543 | return -errno; |
| 544 | } |
Andreas Huber | 7a747b8 | 2010-06-07 15:19:40 -0700 | [diff] [blame] | 545 | } |
| 546 | |
Andreas Huber | 0416da7 | 2010-08-26 11:17:32 -0700 | [diff] [blame] | 547 | offset += (size_t)n; |
| 548 | } |
| 549 | |
| 550 | return OK; |
| 551 | } |
| 552 | |
| 553 | bool ARTSPConnection::receiveLine(AString *line) { |
| 554 | line->clear(); |
| 555 | |
| 556 | bool sawCR = false; |
| 557 | for (;;) { |
| 558 | char c; |
| 559 | if (receive(&c, 1) != OK) { |
| 560 | return false; |
| 561 | } |
| 562 | |
Andreas Huber | 7a747b8 | 2010-06-07 15:19:40 -0700 | [diff] [blame] | 563 | if (sawCR && c == '\n') { |
| 564 | line->erase(line->size() - 1, 1); |
| 565 | return true; |
| 566 | } |
| 567 | |
| 568 | line->append(&c, 1); |
| 569 | |
Andreas Huber | 0416da7 | 2010-08-26 11:17:32 -0700 | [diff] [blame] | 570 | if (c == '$' && line->size() == 1) { |
| 571 | // Special-case for interleaved binary data. |
| 572 | return true; |
| 573 | } |
| 574 | |
Andreas Huber | 7a747b8 | 2010-06-07 15:19:40 -0700 | [diff] [blame] | 575 | sawCR = (c == '\r'); |
| 576 | } |
| 577 | } |
| 578 | |
Andreas Huber | 0416da7 | 2010-08-26 11:17:32 -0700 | [diff] [blame] | 579 | sp<ABuffer> ARTSPConnection::receiveBinaryData() { |
| 580 | uint8_t x[3]; |
| 581 | if (receive(x, 3) != OK) { |
| 582 | return NULL; |
| 583 | } |
Andreas Huber | 7a747b8 | 2010-06-07 15:19:40 -0700 | [diff] [blame] | 584 | |
Andreas Huber | 0416da7 | 2010-08-26 11:17:32 -0700 | [diff] [blame] | 585 | sp<ABuffer> buffer = new ABuffer((x[1] << 8) | x[2]); |
| 586 | if (receive(buffer->data(), buffer->size()) != OK) { |
| 587 | return NULL; |
| 588 | } |
| 589 | |
| 590 | buffer->meta()->setInt32("index", (int32_t)x[0]); |
| 591 | |
| 592 | return buffer; |
| 593 | } |
| 594 | |
Andreas Huber | e066616 | 2011-02-16 13:20:02 -0800 | [diff] [blame] | 595 | static bool IsRTSPVersion(const AString &s) { |
| 596 | return s == "RTSP/1.0"; |
| 597 | } |
| 598 | |
Andreas Huber | 0416da7 | 2010-08-26 11:17:32 -0700 | [diff] [blame] | 599 | bool ARTSPConnection::receiveRTSPReponse() { |
| 600 | AString statusLine; |
| 601 | |
| 602 | if (!receiveLine(&statusLine)) { |
Andreas Huber | 7a747b8 | 2010-06-07 15:19:40 -0700 | [diff] [blame] | 603 | return false; |
| 604 | } |
| 605 | |
Andreas Huber | 0416da7 | 2010-08-26 11:17:32 -0700 | [diff] [blame] | 606 | if (statusLine == "$") { |
| 607 | sp<ABuffer> buffer = receiveBinaryData(); |
| 608 | |
| 609 | if (buffer == NULL) { |
| 610 | return false; |
| 611 | } |
| 612 | |
| 613 | if (mObserveBinaryMessage != NULL) { |
| 614 | sp<AMessage> notify = mObserveBinaryMessage->dup(); |
| 615 | notify->setObject("buffer", buffer); |
| 616 | notify->post(); |
| 617 | } else { |
Andreas Huber | 6e3fa44 | 2010-09-21 13:13:15 -0700 | [diff] [blame] | 618 | LOGW("received binary data, but no one cares."); |
Andreas Huber | 0416da7 | 2010-08-26 11:17:32 -0700 | [diff] [blame] | 619 | } |
| 620 | |
| 621 | return true; |
| 622 | } |
| 623 | |
| 624 | sp<ARTSPResponse> response = new ARTSPResponse; |
| 625 | response->mStatusLine = statusLine; |
| 626 | |
Steve Block | 6215d3f | 2012-01-04 20:05:49 +0000 | [diff] [blame] | 627 | ALOGI("status: %s", response->mStatusLine.c_str()); |
Andreas Huber | 7a747b8 | 2010-06-07 15:19:40 -0700 | [diff] [blame] | 628 | |
| 629 | ssize_t space1 = response->mStatusLine.find(" "); |
| 630 | if (space1 < 0) { |
| 631 | return false; |
| 632 | } |
| 633 | ssize_t space2 = response->mStatusLine.find(" ", space1 + 1); |
| 634 | if (space2 < 0) { |
| 635 | return false; |
| 636 | } |
| 637 | |
Andreas Huber | e066616 | 2011-02-16 13:20:02 -0800 | [diff] [blame] | 638 | bool isRequest = false; |
Andreas Huber | 7a747b8 | 2010-06-07 15:19:40 -0700 | [diff] [blame] | 639 | |
Andreas Huber | e066616 | 2011-02-16 13:20:02 -0800 | [diff] [blame] | 640 | if (!IsRTSPVersion(AString(response->mStatusLine, 0, space1))) { |
| 641 | CHECK(IsRTSPVersion( |
| 642 | AString( |
| 643 | response->mStatusLine, |
| 644 | space2 + 1, |
| 645 | response->mStatusLine.size() - space2 - 1))); |
| 646 | |
| 647 | isRequest = true; |
| 648 | |
| 649 | response->mStatusCode = 0; |
| 650 | } else { |
| 651 | AString statusCodeStr( |
| 652 | response->mStatusLine, space1 + 1, space2 - space1 - 1); |
| 653 | |
| 654 | if (!ParseSingleUnsignedLong( |
| 655 | statusCodeStr.c_str(), &response->mStatusCode) |
| 656 | || response->mStatusCode < 100 || response->mStatusCode > 999) { |
| 657 | return false; |
| 658 | } |
Andreas Huber | 7a747b8 | 2010-06-07 15:19:40 -0700 | [diff] [blame] | 659 | } |
| 660 | |
| 661 | AString line; |
Andreas Huber | 9f62e15 | 2011-12-09 15:09:56 -0800 | [diff] [blame] | 662 | ssize_t lastDictIndex = -1; |
Andreas Huber | 7a747b8 | 2010-06-07 15:19:40 -0700 | [diff] [blame] | 663 | for (;;) { |
| 664 | if (!receiveLine(&line)) { |
| 665 | break; |
| 666 | } |
| 667 | |
| 668 | if (line.empty()) { |
| 669 | break; |
| 670 | } |
| 671 | |
Andreas Huber | 9f62e15 | 2011-12-09 15:09:56 -0800 | [diff] [blame] | 672 | ALOGV("line: '%s'", line.c_str()); |
| 673 | |
| 674 | if (line.c_str()[0] == ' ' || line.c_str()[0] == '\t') { |
| 675 | // Support for folded header values. |
| 676 | |
| 677 | if (lastDictIndex < 0) { |
| 678 | // First line cannot be a continuation of the previous one. |
| 679 | return false; |
| 680 | } |
| 681 | |
| 682 | AString &value = response->mHeaders.editValueAt(lastDictIndex); |
| 683 | value.append(line); |
| 684 | |
| 685 | continue; |
| 686 | } |
Andreas Huber | 7a747b8 | 2010-06-07 15:19:40 -0700 | [diff] [blame] | 687 | |
| 688 | ssize_t colonPos = line.find(":"); |
| 689 | if (colonPos < 0) { |
| 690 | // Malformed header line. |
| 691 | return false; |
| 692 | } |
| 693 | |
| 694 | AString key(line, 0, colonPos); |
| 695 | key.trim(); |
| 696 | key.tolower(); |
| 697 | |
| 698 | line.erase(0, colonPos + 1); |
Andreas Huber | 7a747b8 | 2010-06-07 15:19:40 -0700 | [diff] [blame] | 699 | |
Andreas Huber | 9f62e15 | 2011-12-09 15:09:56 -0800 | [diff] [blame] | 700 | lastDictIndex = response->mHeaders.add(key, line); |
| 701 | } |
| 702 | |
| 703 | for (size_t i = 0; i < response->mHeaders.size(); ++i) { |
| 704 | response->mHeaders.editValueAt(i).trim(); |
Andreas Huber | 7a747b8 | 2010-06-07 15:19:40 -0700 | [diff] [blame] | 705 | } |
| 706 | |
| 707 | unsigned long contentLength = 0; |
| 708 | |
| 709 | ssize_t i = response->mHeaders.indexOfKey("content-length"); |
| 710 | |
| 711 | if (i >= 0) { |
| 712 | AString value = response->mHeaders.valueAt(i); |
| 713 | if (!ParseSingleUnsignedLong(value.c_str(), &contentLength)) { |
| 714 | return false; |
| 715 | } |
| 716 | } |
| 717 | |
| 718 | if (contentLength > 0) { |
| 719 | response->mContent = new ABuffer(contentLength); |
| 720 | |
Andreas Huber | 58c94bf | 2011-11-10 14:48:20 -0800 | [diff] [blame] | 721 | if (receive(response->mContent->data(), contentLength) != OK) { |
| 722 | return false; |
Andreas Huber | 7a747b8 | 2010-06-07 15:19:40 -0700 | [diff] [blame] | 723 | } |
| 724 | } |
| 725 | |
Andreas Huber | a0b442e | 2010-10-20 15:00:34 -0700 | [diff] [blame] | 726 | if (response->mStatusCode == 401) { |
| 727 | if (mAuthType == NONE && mUser.size() > 0 |
| 728 | && parseAuthMethod(response)) { |
| 729 | ssize_t i; |
| 730 | CHECK_EQ((status_t)OK, findPendingRequest(response, &i)); |
| 731 | CHECK_GE(i, 0); |
| 732 | |
| 733 | sp<AMessage> reply = mPendingRequests.valueAt(i); |
| 734 | mPendingRequests.removeItemsAt(i); |
| 735 | |
| 736 | AString request; |
| 737 | CHECK(reply->findString("original-request", &request)); |
| 738 | |
| 739 | sp<AMessage> msg = new AMessage(kWhatSendRequest, id()); |
| 740 | msg->setMessage("reply", reply); |
| 741 | msg->setString("request", request.c_str(), request.size()); |
| 742 | |
Steve Block | 6215d3f | 2012-01-04 20:05:49 +0000 | [diff] [blame] | 743 | ALOGI("re-sending request with authentication headers..."); |
Andreas Huber | a0b442e | 2010-10-20 15:00:34 -0700 | [diff] [blame] | 744 | onSendRequest(msg); |
| 745 | |
| 746 | return true; |
| 747 | } |
| 748 | } |
| 749 | |
Andreas Huber | e066616 | 2011-02-16 13:20:02 -0800 | [diff] [blame] | 750 | return isRequest |
| 751 | ? handleServerRequest(response) |
| 752 | : notifyResponseListener(response); |
| 753 | } |
| 754 | |
| 755 | bool ARTSPConnection::handleServerRequest(const sp<ARTSPResponse> &request) { |
| 756 | // Implementation of server->client requests is optional for all methods |
| 757 | // but we do need to respond, even if it's just to say that we don't |
| 758 | // support the method. |
| 759 | |
| 760 | ssize_t space1 = request->mStatusLine.find(" "); |
| 761 | CHECK_GE(space1, 0); |
| 762 | |
| 763 | AString response; |
| 764 | response.append("RTSP/1.0 501 Not Implemented\r\n"); |
| 765 | |
| 766 | ssize_t i = request->mHeaders.indexOfKey("cseq"); |
| 767 | |
| 768 | if (i >= 0) { |
| 769 | AString value = request->mHeaders.valueAt(i); |
| 770 | |
| 771 | unsigned long cseq; |
| 772 | if (!ParseSingleUnsignedLong(value.c_str(), &cseq)) { |
| 773 | return false; |
| 774 | } |
| 775 | |
| 776 | response.append("CSeq: "); |
| 777 | response.append(cseq); |
| 778 | response.append("\r\n"); |
| 779 | } |
| 780 | |
| 781 | response.append("\r\n"); |
| 782 | |
| 783 | size_t numBytesSent = 0; |
| 784 | while (numBytesSent < response.size()) { |
| 785 | ssize_t n = |
| 786 | send(mSocket, response.c_str() + numBytesSent, |
| 787 | response.size() - numBytesSent, 0); |
| 788 | |
Andreas Huber | 58c94bf | 2011-11-10 14:48:20 -0800 | [diff] [blame] | 789 | if (n < 0 && errno == EINTR) { |
| 790 | continue; |
| 791 | } |
Andreas Huber | e066616 | 2011-02-16 13:20:02 -0800 | [diff] [blame] | 792 | |
Andreas Huber | 58c94bf | 2011-11-10 14:48:20 -0800 | [diff] [blame] | 793 | if (n <= 0) { |
| 794 | if (n == 0) { |
| 795 | // Server closed the connection. |
| 796 | LOGE("Server unexpectedly closed the connection."); |
| 797 | } else { |
| 798 | LOGE("Error sending rtsp response (%s).", strerror(errno)); |
Andreas Huber | e066616 | 2011-02-16 13:20:02 -0800 | [diff] [blame] | 799 | } |
| 800 | |
Andreas Huber | 58c94bf | 2011-11-10 14:48:20 -0800 | [diff] [blame] | 801 | performDisconnect(); |
| 802 | |
Andreas Huber | e066616 | 2011-02-16 13:20:02 -0800 | [diff] [blame] | 803 | return false; |
| 804 | } |
| 805 | |
| 806 | numBytesSent += (size_t)n; |
| 807 | } |
| 808 | |
| 809 | return true; |
Andreas Huber | 7a747b8 | 2010-06-07 15:19:40 -0700 | [diff] [blame] | 810 | } |
| 811 | |
| 812 | // static |
| 813 | bool ARTSPConnection::ParseSingleUnsignedLong( |
| 814 | const char *from, unsigned long *x) { |
| 815 | char *end; |
| 816 | *x = strtoul(from, &end, 10); |
| 817 | |
| 818 | if (end == from || *end != '\0') { |
| 819 | return false; |
| 820 | } |
| 821 | |
| 822 | return true; |
| 823 | } |
| 824 | |
Andreas Huber | a0b442e | 2010-10-20 15:00:34 -0700 | [diff] [blame] | 825 | status_t ARTSPConnection::findPendingRequest( |
| 826 | const sp<ARTSPResponse> &response, ssize_t *index) const { |
| 827 | *index = 0; |
| 828 | |
Andreas Huber | 7a747b8 | 2010-06-07 15:19:40 -0700 | [diff] [blame] | 829 | ssize_t i = response->mHeaders.indexOfKey("cseq"); |
| 830 | |
| 831 | if (i < 0) { |
Andreas Huber | a0b442e | 2010-10-20 15:00:34 -0700 | [diff] [blame] | 832 | // This is an unsolicited server->client message. |
| 833 | return OK; |
Andreas Huber | 7a747b8 | 2010-06-07 15:19:40 -0700 | [diff] [blame] | 834 | } |
| 835 | |
| 836 | AString value = response->mHeaders.valueAt(i); |
| 837 | |
| 838 | unsigned long cseq; |
| 839 | if (!ParseSingleUnsignedLong(value.c_str(), &cseq)) { |
Andreas Huber | a0b442e | 2010-10-20 15:00:34 -0700 | [diff] [blame] | 840 | return ERROR_MALFORMED; |
Andreas Huber | 7a747b8 | 2010-06-07 15:19:40 -0700 | [diff] [blame] | 841 | } |
| 842 | |
| 843 | i = mPendingRequests.indexOfKey(cseq); |
| 844 | |
| 845 | if (i < 0) { |
Andreas Huber | a0b442e | 2010-10-20 15:00:34 -0700 | [diff] [blame] | 846 | return -ENOENT; |
| 847 | } |
| 848 | |
| 849 | *index = i; |
| 850 | |
| 851 | return OK; |
| 852 | } |
| 853 | |
| 854 | bool ARTSPConnection::notifyResponseListener( |
| 855 | const sp<ARTSPResponse> &response) { |
| 856 | ssize_t i; |
| 857 | status_t err = findPendingRequest(response, &i); |
| 858 | |
| 859 | if (err == OK && i < 0) { |
| 860 | // An unsolicited server response is not a problem. |
| 861 | return true; |
| 862 | } |
| 863 | |
| 864 | if (err != OK) { |
| 865 | return false; |
Andreas Huber | 7a747b8 | 2010-06-07 15:19:40 -0700 | [diff] [blame] | 866 | } |
| 867 | |
| 868 | sp<AMessage> reply = mPendingRequests.valueAt(i); |
| 869 | mPendingRequests.removeItemsAt(i); |
| 870 | |
| 871 | reply->setInt32("result", OK); |
| 872 | reply->setObject("response", response); |
| 873 | reply->post(); |
| 874 | |
| 875 | return true; |
| 876 | } |
| 877 | |
Andreas Huber | a0b442e | 2010-10-20 15:00:34 -0700 | [diff] [blame] | 878 | bool ARTSPConnection::parseAuthMethod(const sp<ARTSPResponse> &response) { |
| 879 | ssize_t i = response->mHeaders.indexOfKey("www-authenticate"); |
| 880 | |
| 881 | if (i < 0) { |
| 882 | return false; |
| 883 | } |
| 884 | |
| 885 | AString value = response->mHeaders.valueAt(i); |
| 886 | |
| 887 | if (!strncmp(value.c_str(), "Basic", 5)) { |
| 888 | mAuthType = BASIC; |
| 889 | } else { |
Andreas Huber | cf74754 | 2010-10-25 09:40:52 -0700 | [diff] [blame] | 890 | #if !defined(HAVE_ANDROID_OS) |
| 891 | // We don't have access to the MD5 implementation on the simulator, |
| 892 | // so we won't support digest authentication. |
| 893 | return false; |
| 894 | #endif |
| 895 | |
Andreas Huber | a0b442e | 2010-10-20 15:00:34 -0700 | [diff] [blame] | 896 | CHECK(!strncmp(value.c_str(), "Digest", 6)); |
| 897 | mAuthType = DIGEST; |
| 898 | |
| 899 | i = value.find("nonce="); |
| 900 | CHECK_GE(i, 0); |
| 901 | CHECK_EQ(value.c_str()[i + 6], '\"'); |
| 902 | ssize_t j = value.find("\"", i + 7); |
| 903 | CHECK_GE(j, 0); |
| 904 | |
| 905 | mNonce.setTo(value, i + 7, j - i - 7); |
| 906 | } |
| 907 | |
| 908 | return true; |
| 909 | } |
| 910 | |
Andreas Huber | cf74754 | 2010-10-25 09:40:52 -0700 | [diff] [blame] | 911 | #if defined(HAVE_ANDROID_OS) |
Andreas Huber | a0b442e | 2010-10-20 15:00:34 -0700 | [diff] [blame] | 912 | static void H(const AString &s, AString *out) { |
| 913 | out->clear(); |
| 914 | |
| 915 | MD5_CTX m; |
| 916 | MD5_Init(&m); |
| 917 | MD5_Update(&m, s.c_str(), s.size()); |
| 918 | |
| 919 | uint8_t key[16]; |
| 920 | MD5_Final(key, &m); |
| 921 | |
| 922 | for (size_t i = 0; i < 16; ++i) { |
| 923 | char nibble = key[i] >> 4; |
| 924 | if (nibble <= 9) { |
| 925 | nibble += '0'; |
| 926 | } else { |
| 927 | nibble += 'a' - 10; |
| 928 | } |
| 929 | out->append(&nibble, 1); |
| 930 | |
| 931 | nibble = key[i] & 0x0f; |
| 932 | if (nibble <= 9) { |
| 933 | nibble += '0'; |
| 934 | } else { |
| 935 | nibble += 'a' - 10; |
| 936 | } |
| 937 | out->append(&nibble, 1); |
| 938 | } |
| 939 | } |
Andreas Huber | cf74754 | 2010-10-25 09:40:52 -0700 | [diff] [blame] | 940 | #endif |
Andreas Huber | a0b442e | 2010-10-20 15:00:34 -0700 | [diff] [blame] | 941 | |
| 942 | static void GetMethodAndURL( |
| 943 | const AString &request, AString *method, AString *url) { |
| 944 | ssize_t space1 = request.find(" "); |
| 945 | CHECK_GE(space1, 0); |
| 946 | |
| 947 | ssize_t space2 = request.find(" ", space1 + 1); |
| 948 | CHECK_GE(space2, 0); |
| 949 | |
| 950 | method->setTo(request, 0, space1); |
| 951 | url->setTo(request, space1 + 1, space2 - space1); |
| 952 | } |
| 953 | |
| 954 | void ARTSPConnection::addAuthentication(AString *request) { |
| 955 | if (mAuthType == NONE) { |
| 956 | return; |
| 957 | } |
| 958 | |
| 959 | // Find the boundary between headers and the body. |
| 960 | ssize_t i = request->find("\r\n\r\n"); |
| 961 | CHECK_GE(i, 0); |
| 962 | |
| 963 | if (mAuthType == BASIC) { |
| 964 | AString tmp; |
| 965 | tmp.append(mUser); |
| 966 | tmp.append(":"); |
| 967 | tmp.append(mPass); |
| 968 | |
| 969 | AString out; |
| 970 | encodeBase64(tmp.c_str(), tmp.size(), &out); |
| 971 | |
| 972 | AString fragment; |
| 973 | fragment.append("Authorization: Basic "); |
| 974 | fragment.append(out); |
| 975 | fragment.append("\r\n"); |
| 976 | |
| 977 | request->insert(fragment, i + 2); |
| 978 | |
| 979 | return; |
| 980 | } |
| 981 | |
Andreas Huber | cf74754 | 2010-10-25 09:40:52 -0700 | [diff] [blame] | 982 | #if defined(HAVE_ANDROID_OS) |
Andreas Huber | a0b442e | 2010-10-20 15:00:34 -0700 | [diff] [blame] | 983 | CHECK_EQ((int)mAuthType, (int)DIGEST); |
| 984 | |
| 985 | AString method, url; |
| 986 | GetMethodAndURL(*request, &method, &url); |
| 987 | |
| 988 | AString A1; |
| 989 | A1.append(mUser); |
| 990 | A1.append(":"); |
| 991 | A1.append("Streaming Server"); |
| 992 | A1.append(":"); |
| 993 | A1.append(mPass); |
| 994 | |
| 995 | AString A2; |
| 996 | A2.append(method); |
| 997 | A2.append(":"); |
| 998 | A2.append(url); |
| 999 | |
| 1000 | AString HA1, HA2; |
| 1001 | H(A1, &HA1); |
| 1002 | H(A2, &HA2); |
| 1003 | |
| 1004 | AString tmp; |
| 1005 | tmp.append(HA1); |
| 1006 | tmp.append(":"); |
| 1007 | tmp.append(mNonce); |
| 1008 | tmp.append(":"); |
| 1009 | tmp.append(HA2); |
| 1010 | |
| 1011 | AString digest; |
| 1012 | H(tmp, &digest); |
| 1013 | |
| 1014 | AString fragment; |
| 1015 | fragment.append("Authorization: Digest "); |
| 1016 | fragment.append("nonce=\""); |
| 1017 | fragment.append(mNonce); |
| 1018 | fragment.append("\", "); |
| 1019 | fragment.append("username=\""); |
| 1020 | fragment.append(mUser); |
| 1021 | fragment.append("\", "); |
| 1022 | fragment.append("uri=\""); |
| 1023 | fragment.append(url); |
| 1024 | fragment.append("\", "); |
| 1025 | fragment.append("response=\""); |
| 1026 | fragment.append(digest); |
| 1027 | fragment.append("\""); |
| 1028 | fragment.append("\r\n"); |
| 1029 | |
| 1030 | request->insert(fragment, i + 2); |
Andreas Huber | cf74754 | 2010-10-25 09:40:52 -0700 | [diff] [blame] | 1031 | #endif |
Andreas Huber | a0b442e | 2010-10-20 15:00:34 -0700 | [diff] [blame] | 1032 | } |
| 1033 | |
Andreas Huber | b0e7381 | 2011-03-29 13:34:28 -0700 | [diff] [blame] | 1034 | // static |
| 1035 | void ARTSPConnection::MakeUserAgent(AString *userAgent) { |
| 1036 | userAgent->clear(); |
| 1037 | userAgent->setTo("User-Agent: stagefright/1.1 (Linux;Android "); |
| 1038 | |
| 1039 | #if (PROPERTY_VALUE_MAX < 8) |
| 1040 | #error "PROPERTY_VALUE_MAX must be at least 8" |
| 1041 | #endif |
| 1042 | |
| 1043 | char value[PROPERTY_VALUE_MAX]; |
| 1044 | property_get("ro.build.version.release", value, "Unknown"); |
| 1045 | userAgent->append(value); |
| 1046 | userAgent->append(")\r\n"); |
| 1047 | } |
| 1048 | |
| 1049 | void ARTSPConnection::addUserAgent(AString *request) const { |
| 1050 | // Find the boundary between headers and the body. |
| 1051 | ssize_t i = request->find("\r\n\r\n"); |
| 1052 | CHECK_GE(i, 0); |
| 1053 | |
| 1054 | request->insert(mUserAgent, i + 2); |
| 1055 | } |
| 1056 | |
Andreas Huber | 7a747b8 | 2010-06-07 15:19:40 -0700 | [diff] [blame] | 1057 | } // namespace android |