AudioRecord keeps track of UID (4cb66839) · Commits · e / os / android_frameworks_av

include/media/AudioRecord.h

+6 −0

Original line number	Diff line number	Diff line
		@@ -178,6 +178,8 @@ public:
		int sessionId = AUDIO_SESSION_ALLOCATE,
		transfer_type transferType = TRANSFER_DEFAULT,
		audio_input_flags_t flags = AUDIO_INPUT_FLAG_NONE,
		int uid = -1,
		pid_t pid = -1,
		const audio_attributes_t* pAttributes = NULL);

		/* Terminates the AudioRecord and unregisters it from AudioFlinger.
		@@ -214,6 +216,8 @@ public:
		int sessionId = AUDIO_SESSION_ALLOCATE,
		transfer_type transferType = TRANSFER_DEFAULT,
		audio_input_flags_t flags = AUDIO_INPUT_FLAG_NONE,
		int uid = -1,
		pid_t pid = -1,
		const audio_attributes_t* pAttributes = NULL);

		/* Result of constructing the AudioRecord. This must be checked for successful initialization
		@@ -577,6 +581,8 @@ private:

		sp<DeathNotifier> mDeathNotifier;
		uint32_t mSequence; // incremented for each new IAudioRecord attempt
		int mClientUid;
		pid_t mClientPid;
		audio_attributes_t mAttributes;

		// For Device Selection API

include/media/IAudioFlinger.h

+1 −0

Original line number	Diff line number	Diff line
		@@ -89,6 +89,7 @@ public:
		size_t *pFrameCount,
		track_flags_t *flags,
		pid_t tid, // -1 means unused, otherwise must be valid non-0
		int clientUid,
		int *sessionId,
		size_t *notificationFrames,
		sp<IMemory>& cblk,

media/libmedia/AudioRecord.cpp

+22 −3

Original line number	Diff line number	Diff line
		@@ -85,6 +85,8 @@ AudioRecord::AudioRecord(
		int sessionId,
		transfer_type transferType,
		audio_input_flags_t flags,
		int uid,
		pid_t pid,
		const audio_attributes_t* pAttributes)
		: mStatus(NO_INIT),
		mOpPackageName(opPackageName),
		@@ -96,7 +98,7 @@ AudioRecord::AudioRecord(
		{
		mStatus = set(inputSource, sampleRate, format, channelMask, frameCount, cbf, user,
		notificationFrames, false /threadCanCallJava/, sessionId, transferType, flags,
		pAttributes);
		uid, pid, pAttributes);
		}

		AudioRecord::~AudioRecord()
		@@ -136,12 +138,15 @@ status_t AudioRecord::set(
		int sessionId,
		transfer_type transferType,
		audio_input_flags_t flags,
		int uid,
		pid_t pid,
		const audio_attributes_t* pAttributes)
		{
		ALOGV("set(): inputSource %d, sampleRate %u, format %#x, channelMask %#x, frameCount %zu, "
		"notificationFrames %u, sessionId %d, transferType %d, flags %#x, opPackageName %s",
		"notificationFrames %u, sessionId %d, transferType %d, flags %#x, opPackageName %s "
		"uid %d, pid %d",
		inputSource, sampleRate, format, channelMask, frameCount, notificationFrames,
		sessionId, transferType, flags, String8(mOpPackageName).string());
		sessionId, transferType, flags, String8(mOpPackageName).string(), uid, pid);

		switch (transferType) {
		case TRANSFER_DEFAULT:
		@@ -228,6 +233,19 @@ status_t AudioRecord::set(
		}
		ALOGV("set(): mSessionId %d", mSessionId);

		int callingpid = IPCThreadState::self()->getCallingPid();
		int mypid = getpid();
		if (uid == -1 \|\| (callingpid != mypid)) {
		mClientUid = IPCThreadState::self()->getCallingUid();
		} else {
		mClientUid = uid;
		}
		if (pid == -1 \|\| (callingpid != mypid)) {
		mClientPid = callingpid;
		} else {
		mClientPid = pid;
		}

		mFlags = flags;
		mCbf = cbf;

		@@ -513,6 +531,7 @@ status_t AudioRecord::openRecord_l(size_t epoch, const String16& opPackageName)
		&temp,
		&trackFlags,
		tid,
		mClientUid,
		&mSessionId,
		&notificationFrames,
		iMem,

media/libmedia/IAudioFlinger.cpp

+4 −1

Original line number	Diff line number	Diff line
		@@ -178,6 +178,7 @@ public:
		size_t *pFrameCount,
		track_flags_t *flags,
		pid_t tid,
		int clientUid,
		int *sessionId,
		size_t *notificationFrames,
		sp<IMemory>& cblk,
		@@ -197,6 +198,7 @@ public:
		track_flags_t lFlags = flags != NULL ? *flags : (track_flags_t) TRACK_DEFAULT;
		data.writeInt32(lFlags);
		data.writeInt32((int32_t) tid);
		data.writeInt32((int32_t) clientUid);
		int lSessionId = AUDIO_SESSION_ALLOCATE;
		if (sessionId != NULL) {
		lSessionId = *sessionId;
		@@ -958,6 +960,7 @@ status_t BnAudioFlinger::onTransact(
		size_t frameCount = data.readInt64();
		track_flags_t flags = (track_flags_t) data.readInt32();
		pid_t tid = (pid_t) data.readInt32();
		int clientUid = data.readInt32();
		int sessionId = data.readInt32();
		size_t notificationFrames = data.readInt64();
		sp<IMemory> cblk;
		@@ -965,7 +968,7 @@ status_t BnAudioFlinger::onTransact(
		status_t status;
		sp<IAudioRecord> record = openRecord(input,
		sampleRate, format, channelMask, opPackageName, &frameCount, &flags, tid,
		&sessionId, &notificationFrames, cblk, buffers, &status);
		clientUid, &sessionId, &notificationFrames, cblk, buffers, &status);
		LOG_ALWAYS_FATAL_IF((record != 0) != (status == NO_ERROR));
		reply->writeInt64(frameCount);
		reply->writeInt32(flags);

services/audioflinger/AudioFlinger.cpp

+2 −2

Original line number	Diff line number	Diff line
		@@ -1426,6 +1426,7 @@ sp<IAudioRecord> AudioFlinger::openRecord(
		size_t *frameCount,
		IAudioFlinger::track_flags_t *flags,
		pid_t tid,
		int clientUid,
		int *sessionId,
		size_t *notificationFrames,
		sp<IMemory>& cblk,
		@@ -1495,8 +1496,7 @@ sp<IAudioRecord> AudioFlinger::openRecord(
		// TODO: the uid should be passed in as a parameter to openRecord
		recordTrack = thread->createRecordTrack_l(client, sampleRate, format, channelMask,
		frameCount, lSessionId, notificationFrames,
		IPCThreadState::self()->getCallingUid(),
		flags, tid, &lStatus);
		clientUid, flags, tid, &lStatus);
		LOG_ALWAYS_FATAL_IF((lStatus == NO_ERROR) && (recordTrack == 0));

		if (lStatus == NO_ERROR) {