status_t AudioPolicyService::dump(int fd, const Vector<String16>& args)
{
    if (checkCallingPermission(String16("android.permission.DUMP")) == false) {
        dumpPermissionDenial(fd);
    } else {
        bool locked = tryLock(mLock);
        if (!locked) {
            String8 result(kDeadlockedString);
            write(fd, result.string(), result.size());
        }

        dumpInternals(fd);
        if (mAudioCommandThread != NULL) {
            mAudioCommandThread->dump(fd);
        }
        if (mTonePlaybackThread != NULL) {
            mTonePlaybackThread->dump(fd);
        }

        if (mpAudioPolicy) {
            mpAudioPolicy->dump(mpAudioPolicy, fd);
        }

        if (locked) mLock.unlock();
    }
    return NO_ERROR;
}
bool settingsAllowed() {
    if (getpid_cached == IPCThreadState::self()->getCallingPid()) return true;
    static const String16 sAudioSettings("android.permission.MODIFY_AUDIO_SETTINGS");
    // don't use PermissionCache; this is not a system permission
    bool ok = checkCallingPermission(sAudioSettings);
    if (!ok) ALOGE("Request requires android.permission.MODIFY_AUDIO_SETTINGS");
    return ok;
}
bool recordingAllowed() {
    if (getpid_cached == IPCThreadState::self()->getCallingPid()) return true;
    static const String16 sRecordAudio("android.permission.RECORD_AUDIO");
    // don't use PermissionCache; this is not a system permission
    bool ok = checkCallingPermission(sRecordAudio);
    if (!ok) ALOGE("Request requires android.permission.RECORD_AUDIO");
    return ok;
}
/* BnHelloWorld */
status_t BnHelloWorld::onTransact(uint32_t code,
                                                const Parcel &data,
                                                Parcel *reply,
                                                uint32_t flags)
{
        LOGE("OnTransact(%u,%u)", code, flags);
        CHECK_INTERFACE(IHelloWorld, data, reply);
        switch(code) {
        case HW_HELLOTHERE: {
                /**
                 * Checking permissions is always a good idea.
                 *
                 * Note that the native client will also be granted these permissions in two cases
                 * 1) you run the client code as root or system user.
                 * 2) you run the client code as user who was granted this permission.
                 * @see http://github.com/keesj/gomo/wiki/AndroidSecurity for more information
                 **/
                if (checkCallingPermission(String16("org.credil.helloworldservice.permissions.CALL_HELLOTHERE")) == false){
                    return   PERMISSION_DENIED;
                }
                String16 str = data.readString16();
                hellothere(String8(str).string());
                ///reply->writeString16(str);
                return NO_ERROR;
        } break;
		case RETURN_INT_SHANQUAN:{
                if (checkCallingPermission(String16("org.credil.helloworldservice.permissions.CALL_HELLOTHERE")) == false){
                    return   PERMISSION_DENIED;
                }
                String16 str = data.readString16();
                helloint(String8(str).string());
				int tmp= str.size();
				printf("servie str.size():%i\n",tmp);
				status_t status = reply->writeInt32(tmp);
				if( status == NO_ERROR)
					printf("file:%s,line:%i,no error\n",__FILE__,__LINE__);
				else
					printf("file:%s,line:%i, error\n",__FILE__,__LINE__);
                return NO_ERROR;
		} break;
        default:
                return BBinder::onTransact(code, data, reply, flags);
        }
        return NO_ERROR;
}
static bool checkPermission(const char* permissionString) {
#ifndef HAVE_ANDROID_OS
    return true;
#endif
    if (getpid() == IPCThreadState::self()->getCallingPid()) return true;
    bool ok = checkCallingPermission(String16(permissionString));
    if (!ok) LOGE("Request requires %s", permissionString);
    return ok;
}
static bool checkPermission() {
#ifndef HAVE_ANDROID_OS
    return true;
#endif
    if (getpid() == IPCThreadState::self()->getCallingPid()) return true;
    bool ok = checkCallingPermission(String16("android.permission.MODIFY_AUDIO_SETTINGS"));
    if (!ok) LOGE("Request requires android.permission.MODIFY_AUDIO_SETTINGS");
    return ok;
}
status_t CameraService::dump(int fd, const Vector<String16>& args) {
    static const char* kDeadlockedString = "CameraService may be deadlocked\n";

    const size_t SIZE = 256;
    char buffer[SIZE];
    String8 result;
    if (checkCallingPermission(String16("android.permission.DUMP")) == false) {
        snprintf(buffer, SIZE, "Permission Denial: "
                "can't dump CameraService from pid=%d, uid=%d\n",
                getCallingPid(),
                getCallingUid());
        result.append(buffer);
        write(fd, result.string(), result.size());
    } else {
        bool locked = tryLock(mServiceLock);
        // failed to lock - CameraService is probably deadlocked
        if (!locked) {
            String8 result(kDeadlockedString);
            write(fd, result.string(), result.size());
        }

        bool hasClient = false;
        for (int i = 0; i < mNumberOfCameras; i++) {
            sp<Client> client = mClient[i].promote();
            if (client == 0) continue;
            hasClient = true;
            sprintf(buffer, "Client[%d] (%p) PID: %d\n",
                    i,
                    client->getCameraClient()->asBinder().get(),
                    client->mClientPid);
            result.append(buffer);
            write(fd, result.string(), result.size());
            client->mHardware->dump(fd, args);
        }
        if (!hasClient) {
            result.append("No camera client yet.\n");
            write(fd, result.string(), result.size());
        }

        if (locked) mServiceLock.unlock();

        // change logging level
        int n = args.size();
        for (int i = 0; i + 1 < n; i++) {
            if (args[i] == String16("-v")) {
                String8 levelStr(args[i+1]);
                int level = atoi(levelStr.string());
                sprintf(buffer, "Set Log Level to %d", level);
                result.append(buffer);
                setLogLevel(level);
            }
        }
    }
    return NO_ERROR;
}
Exemple #8
0
  status_t Service::onTransact(uint32_t code,
					 const Parcel &data,
					 Parcel *reply,
					 uint32_t flags)
  {
    CHECK_INTERFACE(IHelloWorld, data, reply);
    if (code == HW_SAYHELLO)
      {
	if (checkCallingPermission(String16("cn.bjtu.helloworldservice.permissions.CALL_SAYHELLO")) == false)
	  return   PERMISSION_DENIED;
	String16 str = data.readString16();
	sayHello(String8(str).string());
	return NO_ERROR;
      }
    return BBinder::onTransact(code, data, reply, flags);
  }
Exemple #9
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status_t CameraService::onTransact(
    uint32_t code, const Parcel& data, Parcel* reply, uint32_t flags) {
    // Permission checks
    switch (code) {
//!++
#ifdef  MTK_CAMERA_BSP_SUPPORT
        case BnCameraService::GET_PROPERTY:
            {
                CHECK_INTERFACE(ICameraService, data, reply);
                String8 const key = data.readString8();
                String8 value;
                status_t const status = getProperty(key, value);
                reply->writeString8(value);
                reply->writeInt32(status);
                ALOGD("[GET_PROPERTY] - pid=%d, uid=%d (%s)=(%s) \n", getCallingPid(), getCallingUid(), key.string(), value.string());
                return OK;
            }
        case BnCameraService::SET_PROPERTY:
            {
                CHECK_INTERFACE(ICameraService, data, reply);
                String8 const key = data.readString8();
                String8 const value = data.readString8();
                status_t const status = setProperty(key, value);
                reply->writeInt32(status);
                ALOGD("[SET_PROPERTY] - pid=%d, uid=%d (%s)=(%s) \n", getCallingPid(), getCallingUid(), key.string(), value.string());
                return OK;
            }
#endif  //MTK_CAMERA_BSP_SUPPORT
//!--
        case BnCameraService::CONNECT:
            const int pid = getCallingPid();
            const int self_pid = getpid();
            if (pid != self_pid) {
                // we're called from a different process, do the real check
                if (!checkCallingPermission(
                        String16("android.permission.CAMERA"))) {
                    const int uid = getCallingUid();
                    ALOGE("Permission Denial: "
                         "can't use the camera pid=%d, uid=%d", pid, uid);
                    return PERMISSION_DENIED;
                }
            }
            break;
    }

    return BnCameraService::onTransact(code, data, reply, flags);
}
status_t CommonTimeServer::dumpConfigInterface(int fd,
                                               const Vector<String16>& /* args */) {
    AutoMutex _lock(&mLock);
    const size_t SIZE = 256;
    char buffer[SIZE];

    if (checkCallingPermission(String16("android.permission.DUMP")) == false) {
        snprintf(buffer, SIZE, "Permission Denial: "
                 "can't dump CommonTimeConfigService from pid=%d, uid=%d\n",
                 IPCThreadState::self()->getCallingPid(),
                 IPCThreadState::self()->getCallingUid());
        write(fd, buffer, strlen(buffer));
    } else {
        char meStr[64];

        sockaddrToString(mMasterElectionEP, true, meStr, sizeof(meStr));

        dump_printf("Common Time Config Service Status\n"
                    "Bound Interface           : %s\n",
                    mBindIfaceValid ? mBindIface.string() : "<unbound>");
        dump_printf("Master Election Endpoint  : %s\n", meStr);
        dump_printf("Master Election Group ID  : %016" PRIu64 "\n", mSyncGroupID);
        dump_printf("Master Announce Interval  : %d mSec\n",
                    mMasterAnnounceIntervalMs);
        dump_printf("Client Sync Interval      : %d mSec\n",
                    mSyncRequestIntervalMs);
        dump_printf("Panic Threshold           : %d uSec\n",
                    mPanicThresholdUsec);
        dump_printf("Base ME Prio              : 0x%02x\n",
                    static_cast<uint32_t>(mMasterPriority));
        dump_printf("Effective ME Prio         : 0x%02x\n",
                    static_cast<uint32_t>(effectivePriority()));
        dump_printf("Auto Disable Allowed      : %s\n",
                    mAutoDisable ? "yes" : "no");
        dump_printf("Auto Disable Engaged      : %s\n",
                    shouldAutoDisable() ? "yes" : "no");
    }

    return NO_ERROR;
}
status_t CameraService::onTransact(
    uint32_t code, const Parcel& data, Parcel* reply, uint32_t flags) {
    // Permission checks
    switch (code) {
        case BnCameraService::CONNECT:
            const int pid = getCallingPid();
            const int self_pid = getpid();
            if (pid != self_pid) {
                // we're called from a different process, do the real check
                if (!checkCallingPermission(
                        String16("android.permission.CAMERA"))) {
                    const int uid = getCallingUid();
                    LOGE("Permission Denial: "
                         "can't use the camera pid=%d, uid=%d", pid, uid);
                    return PERMISSION_DENIED;
                }
            }
            break;
    }

    return BnCameraService::onTransact(code, data, reply, flags);
}
bool checkCallingPermission(const String16& permission)
{
    return checkCallingPermission(permission, NULL, NULL);
}
status_t CommonTimeServer::dumpClockInterface(int fd,
                                              const Vector<String16>& /* args */,
                                              size_t activeClients) {
    AutoMutex _lock(&mLock);
    const size_t SIZE = 256;
    char buffer[SIZE];

    if (checkCallingPermission(String16("android.permission.DUMP")) == false) {
        snprintf(buffer, SIZE, "Permission Denial: "
                 "can't dump CommonClockService from pid=%d, uid=%d\n",
                 IPCThreadState::self()->getCallingPid(),
                 IPCThreadState::self()->getCallingUid());
        write(fd, buffer, strlen(buffer));
    } else {
        int64_t commonTime;
        int64_t localTime;
        bool    synced;
        char maStr[64];

        localTime  = mLocalClock.getLocalTime();
        synced     = (OK == mCommonClock.localToCommon(localTime, &commonTime));
        sockaddrToString(mMasterEP, mMasterEPValid, maStr, sizeof(maStr));

        dump_printf("Common Clock Service Status\nLocal time     : %" PRId64 "\n",
                    localTime);

        if (synced)
            dump_printf("Common time    : %" PRId64 "\n", commonTime);
        else
            dump_printf("Common time    : %s\n", "not synced");

        dump_printf("Timeline ID    : %016" PRIu64 "\n", mTimelineID);
        dump_printf("State          : %s\n", stateToString(mState));
        dump_printf("Master Addr    : %s\n", maStr);


        if (synced) {
            int32_t est = (ICommonClock::STATE_MASTER != mState)
                        ? mClockRecovery.getLastErrorEstimate()
                        : 0;
            dump_printf("Error Est.     : %.3f msec\n",
                        static_cast<float>(est) / 1000.0);
        } else {
            dump_printf("Error Est.     : %s\n", "unknown");
        }

        dump_printf("Syncs TXes     : %u\n", mClient_SyncsSentToCurMaster);
        dump_printf("Syncs RXes     : %u (%.2f%%)\n",
                    mClient_SyncRespsRXedFromCurMaster,
                    checked_percentage(
                        mClient_SyncRespsRXedFromCurMaster,
                        mClient_SyncsSentToCurMaster));
        dump_printf("RXs Expired    : %u (%.2f%%)\n",
                    mClient_ExpiredSyncRespsRXedFromCurMaster,
                    checked_percentage(
                        mClient_ExpiredSyncRespsRXedFromCurMaster,
                        mClient_SyncsSentToCurMaster));

        if (!mClient_LastGoodSyncRX) {
            dump_printf("Last Good RX   : %s\n", "unknown");
        } else {
            int64_t localDelta, usecDelta;
            localDelta = localTime - mClient_LastGoodSyncRX;
            usecDelta  = mCommonClock.localDurationToCommonDuration(localDelta);
            dump_printf("Last Good RX   : %" PRId64 " uSec ago\n", usecDelta);
        }

        dump_printf("Active Clients : %zu\n", activeClients);
        mClient_PacketRTTLog.dumpLog(fd, mCommonClock);
        mStateChangeLog.dumpLog(fd);
        mElectionLog.dumpLog(fd);
        mBadPktLog.dumpLog(fd);
    }

    return NO_ERROR;
}
status_t CameraService::dump(int fd, const Vector<String16>& args) {
    String8 result;
    if (checkCallingPermission(String16("android.permission.DUMP")) == false) {
        result.appendFormat("Permission Denial: "
                "can't dump CameraService from pid=%d, uid=%d\n",
                getCallingPid(),
                getCallingUid());
        write(fd, result.string(), result.size());
    } else {
        bool locked = tryLock(mServiceLock);
        // failed to lock - CameraService is probably deadlocked
        if (!locked) {
            result.append("CameraService may be deadlocked\n");
            write(fd, result.string(), result.size());
        }

        bool hasClient = false;
        if (!mModule) {
            result = String8::format("No camera module available!\n");
            write(fd, result.string(), result.size());
            return NO_ERROR;
        }

        result = String8::format("Camera module HAL API version: 0x%x\n",
                mModule->common.hal_api_version);
        result.appendFormat("Camera module API version: 0x%x\n",
                mModule->common.module_api_version);
        result.appendFormat("Camera module name: %s\n",
                mModule->common.name);
        result.appendFormat("Camera module author: %s\n",
                mModule->common.author);
        result.appendFormat("Number of camera devices: %d\n\n", mNumberOfCameras);
        write(fd, result.string(), result.size());
        for (int i = 0; i < mNumberOfCameras; i++) {
            result = String8::format("Camera %d static information:\n", i);
            camera_info info;

            status_t rc = mModule->get_camera_info(i, &info);
            if (rc != OK) {
                result.appendFormat("  Error reading static information!\n");
                write(fd, result.string(), result.size());
            } else {
                result.appendFormat("  Facing: %s\n",
                        info.facing == CAMERA_FACING_BACK ? "BACK" : "FRONT");
                result.appendFormat("  Orientation: %d\n", info.orientation);
                int deviceVersion;
                if (mModule->common.module_api_version <
                        CAMERA_MODULE_API_VERSION_2_0) {
                    deviceVersion = CAMERA_DEVICE_API_VERSION_1_0;
                } else {
                    deviceVersion = info.device_version;
                }
                result.appendFormat("  Device version: 0x%x\n", deviceVersion);
                if (deviceVersion >= CAMERA_DEVICE_API_VERSION_2_0) {
                    result.appendFormat("  Device static metadata:\n");
                    write(fd, result.string(), result.size());
                    dump_indented_camera_metadata(info.static_camera_characteristics,
                            fd, 2, 4);
                } else {
                    write(fd, result.string(), result.size());
                }
            }

            sp<Client> client = mClient[i].promote();
            if (client == 0) {
                result = String8::format("  Device is closed, no client instance\n");
                write(fd, result.string(), result.size());
                continue;
            }
            hasClient = true;
            result = String8::format("  Device is open. Client instance dump:\n");
            write(fd, result.string(), result.size());
            client->dump(fd, args);
        }
        if (!hasClient) {
            result = String8::format("\nNo active camera clients yet.\n");
            write(fd, result.string(), result.size());
        }

        if (locked) mServiceLock.unlock();

        // change logging level
        int n = args.size();
        for (int i = 0; i + 1 < n; i++) {
            String16 verboseOption("-v");
            if (args[i] == verboseOption) {
                String8 levelStr(args[i+1]);
                int level = atoi(levelStr.string());
                result = String8::format("\nSetting log level to %d.\n", level);
                setLogLevel(level);
                write(fd, result.string(), result.size());
            }
        }

    }
    return NO_ERROR;
}
Exemple #15
0
status_t MediaPlayerService::dump(int fd, const Vector<String16>& args)
{
    const size_t SIZE = 256;
    char buffer[SIZE];
    String8 result;
    if (checkCallingPermission(String16("android.permission.DUMP")) == false) {
        snprintf(buffer, SIZE, "Permission Denial: "
                "can't dump MediaPlayerService from pid=%d, uid=%d\n",
                IPCThreadState::self()->getCallingPid(),
                IPCThreadState::self()->getCallingUid());
        result.append(buffer);
    } else {
        Mutex::Autolock lock(mLock);
        for (int i = 0, n = mClients.size(); i < n; ++i) {
            sp<Client> c = mClients[i].promote();
            if (c != 0) c->dump(fd, args);
        }
        result.append(" Files opened and/or mapped:\n");
        snprintf(buffer, SIZE, "/proc/%d/maps", myTid());
        FILE *f = fopen(buffer, "r");
        if (f) {
            while (!feof(f)) {
                fgets(buffer, SIZE, f);
                if (strstr(buffer, " /sdcard/") ||
                    strstr(buffer, " /system/sounds/") ||
                    strstr(buffer, " /system/media/")) {
                    result.append("  ");
                    result.append(buffer);
                }
            }
            fclose(f);
        } else {
            result.append("couldn't open ");
            result.append(buffer);
            result.append("\n");
        }

        snprintf(buffer, SIZE, "/proc/%d/fd", myTid());
        DIR *d = opendir(buffer);
        if (d) {
            struct dirent *ent;
            while((ent = readdir(d)) != NULL) {
                if (strcmp(ent->d_name,".") && strcmp(ent->d_name,"..")) {
                    snprintf(buffer, SIZE, "/proc/%d/fd/%s", myTid(), ent->d_name);
                    struct stat s;
                    if (lstat(buffer, &s) == 0) {
                        if ((s.st_mode & S_IFMT) == S_IFLNK) {
                            char linkto[256];
                            int len = readlink(buffer, linkto, sizeof(linkto));
                            if(len > 0) {
                                if(len > 255) {
                                    linkto[252] = '.';
                                    linkto[253] = '.';
                                    linkto[254] = '.';
                                    linkto[255] = 0;
                                } else {
                                    linkto[len] = 0;
                                }
                                if (strstr(linkto, "/sdcard/") == linkto ||
                                    strstr(linkto, "/system/sounds/") == linkto ||
                                    strstr(linkto, "/system/media/") == linkto) {
                                    result.append("  ");
                                    result.append(buffer);
                                    result.append(" -> ");
                                    result.append(linkto);
                                    result.append("\n");
                                }
                            }
                        } else {
                            result.append("  unexpected type for ");
                            result.append(buffer);
                            result.append("\n");
                        }
                    }
                }
            }
            closedir(d);
        } else {
            result.append("couldn't open ");
            result.append(buffer);
            result.append("\n");
        }

#if defined(__arm__)
        bool dumpMem = false;
        for (size_t i = 0; i < args.size(); i++) {
            if (args[i] == String16("-m")) {
                dumpMem = true;
            }
        }
        if (dumpMem) {
            memStatus(fd, args);
        }
#endif
    }
    write(fd, result.string(), result.size());
    return NO_ERROR;
}