Examples with HomeSP com.android.hotspot2.pps.HomeSP used on opensource projects

Example 76 with HomeSP

use of com.android.hotspot2.pps.HomeSP in project android_frameworks_base by ResurrectionRemix.

the class MOManager method modifySP.

public HomeSP modifySP(HomeSP homeSP, Collection<MOData> mods, OSUManager osuManager) throws IOException {
    Log.d(OSUManager.TAG, "modifying SP: " + mods);
    MOTree moTree;
    int ppsMods = 0;
    int updateIdentifier = 0;
    try (BufferedInputStream in = new BufferedInputStream(new FileInputStream(mPpsFile))) {
        moTree = MOTree.unmarshal(in);
        // moTree is PPS/?/provider-data
        OMAConstructed targetTree = findTargetTree(moTree, homeSP.getFQDN());
        if (targetTree == null) {
            throw new IOException("Failed to find PPS tree for " + homeSP.getFQDN());
        }
        OMAConstructed instance = getInstanceNode(targetTree);
        for (MOData mod : mods) {
            LinkedList<String> tailPath = getTailPath(mod.getBaseURI(), TAG_PerProviderSubscription);
            OMAConstructed modRoot = mod.getMOTree().getRoot();
            if (tailPath.getFirst().equals(TAG_UpdateIdentifier)) {
                updateIdentifier = getInteger(modRoot.getChildren().iterator().next());
                OMANode oldUdi = targetTree.getChild(TAG_UpdateIdentifier);
                if (getInteger(oldUdi) != updateIdentifier) {
                    ppsMods++;
                }
                if (oldUdi != null) {
                    targetTree.replaceNode(oldUdi, modRoot.getChild(TAG_UpdateIdentifier));
                } else {
                    targetTree.addChild(modRoot.getChild(TAG_UpdateIdentifier));
                }
            } else {
                // Drop the instance
                tailPath.removeFirst();
                OMANode current = instance.getListValue(tailPath.iterator());
                if (current == null) {
                    throw new IOException("No previous node for " + tailPath + " in " + homeSP.getFQDN());
                }
                for (OMANode newNode : modRoot.getChildren()) {
                    // newNode is something like Credential
                    // current is the same existing node
                    OMANode old = current.getParent().replaceNode(current, newNode);
                    ppsMods++;
                }
            }
        }
    }
    writeMO(moTree, mPpsFile, osuManager);
    if (ppsMods == 0) {
        // HomeSP not modified.
        return null;
    }
    // Return a new rebuilt HomeSP
    List<HomeSP> sps = buildSPs(moTree);
    if (sps != null) {
        for (HomeSP sp : sps) {
            if (sp.getFQDN().equals(homeSP.getFQDN())) {
                return sp;
            }
        }
    } else {
        throw new OMAException("Failed to build HomeSP");
    }
    return null;
}

Example 77 with HomeSP

use of com.android.hotspot2.pps.HomeSP in project android_frameworks_base by ResurrectionRemix.

the class MOManager method fqdnList.

private static String fqdnList(Collection<HomeSP> sps) {
    StringBuilder sb = new StringBuilder();
    boolean first = true;
    for (HomeSP sp : sps) {
        if (first) {
            first = false;
        } else {
            sb.append(", ");
        }
        sb.append(sp.getFQDN());
    }
    return sb.toString();
}

Example 78 with HomeSP

use of com.android.hotspot2.pps.HomeSP in project android_frameworks_base by ResurrectionRemix.

the class ConfigBuilder method buildTLSConfig.

private static WifiConfiguration buildTLSConfig(HomeSP homeSP, List<X509Certificate> clientChain, PrivateKey clientKey) throws IOException, GeneralSecurityException {
    Credential credential = homeSP.getCredential();
    X509Certificate clientCertificate = null;
    if (clientKey == null || clientChain == null) {
        throw new IOException("No key and/or cert passed for EAP-TLS");
    }
    if (credential.getCertType() != Credential.CertType.x509v3) {
        throw new IOException("Invalid certificate type for TLS: " + credential.getCertType());
    }
    byte[] reference = credential.getFingerPrint();
    MessageDigest digester = MessageDigest.getInstance("SHA-256");
    for (X509Certificate certificate : clientChain) {
        digester.reset();
        byte[] fingerprint = digester.digest(certificate.getEncoded());
        if (Arrays.equals(reference, fingerprint)) {
            clientCertificate = certificate;
            break;
        }
    }
    if (clientCertificate == null) {
        throw new IOException("No certificate in chain matches supplied fingerprint");
    }
    String alias = Base64.encodeToString(reference, Base64.DEFAULT);
    WifiConfiguration config = buildBaseConfiguration(homeSP);
    WifiEnterpriseConfig enterpriseConfig = config.enterpriseConfig;
    enterpriseConfig.setClientCertificateAlias(alias);
    enterpriseConfig.setClientKeyEntry(clientKey, clientCertificate);
    return config;
}

Example 79 with HomeSP

use of com.android.hotspot2.pps.HomeSP in project android_frameworks_base by ResurrectionRemix.

the class ConfigBuilder method buildConfig.

public static WifiConfiguration buildConfig(HomeSP homeSP, X509Certificate caCert, List<X509Certificate> clientChain, PrivateKey key) throws IOException, GeneralSecurityException {
    Credential credential = homeSP.getCredential();
    WifiConfiguration config;
    EAP.EAPMethodID eapMethodID = credential.getEAPMethod().getEAPMethodID();
    switch(eapMethodID) {
        case EAP_TTLS:
            if (key != null || clientChain != null) {
                Log.w(TAG, "Client cert and/or key included with EAP-TTLS profile");
            }
            config = buildTTLSConfig(homeSP);
            break;
        case EAP_TLS:
            config = buildTLSConfig(homeSP, clientChain, key);
            break;
        case EAP_AKA:
        case EAP_AKAPrim:
        case EAP_SIM:
            if (key != null || clientChain != null || caCert != null) {
                Log.i(TAG, "Client/CA cert and/or key included with " + eapMethodID + " profile");
            }
            config = buildSIMConfig(homeSP);
            break;
        default:
            throw new IOException("Unsupported EAP Method: " + eapMethodID);
    }
    WifiEnterpriseConfig enterpriseConfig = config.enterpriseConfig;
    enterpriseConfig.setCaCertificate(caCert);
    enterpriseConfig.setAnonymousIdentity("anonymous@" + credential.getRealm());
    return config;
}

Example 80 with HomeSP

use of com.android.hotspot2.pps.HomeSP in project android_frameworks_base by DirtyUnicorns.

the class OSUClient method remediate.

public void remediate(OSUManager osuManager, Network network, KeyManager km, HomeSP homeSP, int flowType) throws IOException, GeneralSecurityException {
    try (HTTPHandler httpHandler = createHandler(network, homeSP, km, flowType)) {
        URL redirectURL = osuManager.prepareUserInput(homeSP.getFriendlyName());
        OMADMAdapter omadmAdapter = osuManager.getOMADMAdapter();
        String regRequest = SOAPBuilder.buildPostDevDataResponse(RequestReason.SubRemediation, null, redirectURL.toString(), omadmAdapter.getMO(OMAConstants.DevInfoURN), omadmAdapter.getMO(OMAConstants.DevDetailURN));
        OSUResponse serverResponse = httpHandler.exchangeSOAP(mURL, regRequest);
        if (serverResponse.getMessageType() != OSUMessageType.PostDevData) {
            throw new IOException("Expected a PostDevDataResponse");
        }
        String sessionID = serverResponse.getSessionID();
        PostDevDataResponse pddResponse = (PostDevDataResponse) serverResponse;
        Log.d(TAG, "Remediation response: " + pddResponse);
        Map<OSUCertType, List<X509Certificate>> certs = null;
        PrivateKey clientKey = null;
        if (pddResponse.getStatus() != OSUStatus.RemediationComplete) {
            if (pddResponse.getExecCommand() == ExecCommand.UploadMO) {
                String ulMessage = SOAPBuilder.buildPostDevDataResponse(RequestReason.MOUpload, null, redirectURL.toString(), omadmAdapter.getMO(OMAConstants.DevInfoURN), omadmAdapter.getMO(OMAConstants.DevDetailURN), osuManager.getMOTree(homeSP));
                Log.d(TAG, "Upload MO: " + ulMessage);
                OSUResponse ulResponse = httpHandler.exchangeSOAP(mURL, ulMessage);
                if (ulResponse.getMessageType() != OSUMessageType.PostDevData) {
                    throw new IOException("Expected a PostDevDataResponse to MOUpload");
                }
                pddResponse = (PostDevDataResponse) ulResponse;
            }
            if (pddResponse.getExecCommand() == ExecCommand.Browser) {
                if (flowType == OSUManager.FLOW_POLICY) {
                    throw new IOException("Browser launch requested in policy flow");
                }
                String webURL = ((BrowserURI) pddResponse.getCommandData()).getURI();
                if (webURL == null) {
                    throw new IOException("No web-url");
                } else if (!webURL.contains(sessionID)) {
                    throw new IOException("Bad or missing session ID in webURL");
                }
                if (!osuManager.startUserInput(new URL(webURL), network)) {
                    throw new IOException("User session failed");
                }
                Log.d(TAG, " -- Sending user input complete:");
                String userComplete = SOAPBuilder.buildPostDevDataResponse(RequestReason.InputComplete, sessionID, null, omadmAdapter.getMO(OMAConstants.DevInfoURN), omadmAdapter.getMO(OMAConstants.DevDetailURN));
                OSUResponse udResponse = httpHandler.exchangeSOAP(mURL, userComplete);
                if (udResponse.getMessageType() != OSUMessageType.PostDevData) {
                    throw new IOException("Bad user input complete response: " + udResponse);
                }
                pddResponse = (PostDevDataResponse) udResponse;
            } else if (pddResponse.getExecCommand() == ExecCommand.GetCert) {
                certs = new HashMap<>();
                try (ESTHandler estHandler = new ESTHandler((GetCertData) pddResponse.getCommandData(), network, osuManager.getOMADMAdapter(), km, mKeyStore, homeSP, flowType)) {
                    estHandler.execute(true);
                    certs.put(OSUCertType.CA, estHandler.getCACerts());
                    certs.put(OSUCertType.Client, estHandler.getClientCerts());
                    clientKey = estHandler.getClientKey();
                }
                if (httpHandler.isHTTPAuthPerformed()) {
                    // 8.4.3.6
                    httpHandler.renegotiate(certs, clientKey);
                }
                Log.d(TAG, " -- Sending remediation cert enrollment complete:");
                // 8.4.3.5 in the spec actually prescribes that an update URI is sent here,
                // but there is no remediation flow that defines user interaction after EST
                // so for now a null is passed.
                String certComplete = SOAPBuilder.buildPostDevDataResponse(RequestReason.CertEnrollmentComplete, sessionID, null, omadmAdapter.getMO(OMAConstants.DevInfoURN), omadmAdapter.getMO(OMAConstants.DevDetailURN));
                OSUResponse ceResponse = httpHandler.exchangeSOAP(mURL, certComplete);
                if (ceResponse.getMessageType() != OSUMessageType.PostDevData) {
                    throw new IOException("Bad cert enrollment complete response: " + ceResponse);
                }
                pddResponse = (PostDevDataResponse) ceResponse;
            } else {
                throw new IOException("Unexpected command: " + pddResponse.getExecCommand());
            }
        }
        if (pddResponse.getStatus() != OSUStatus.RemediationComplete) {
            throw new IOException("Expected a PostDevDataResponse to MOUpload");
        }
        Log.d(TAG, "Remediation response: " + pddResponse);
        List<MOData> mods = new ArrayList<>();
        for (OSUCommand command : pddResponse.getCommands()) {
            if (command.getOSUCommand() == OSUCommandID.UpdateNode) {
                mods.add((MOData) command.getCommandData());
            } else if (command.getOSUCommand() != OSUCommandID.NoMOUpdate) {
                throw new IOException("Unexpected OSU response: " + command);
            }
        }
        // 1. Machine remediation: Remediation complete + replace node
        // 2a. User remediation with upload: ExecCommand.UploadMO
        // 2b. User remediation without upload: ExecCommand.Browser
        // 3. User remediation only: -> sppPostDevData user input complete
        //
        // 4. Update node
        // 5. -> Update response
        // 6. Exchange complete
        OSUError error = null;
        String updateResponse = SOAPBuilder.buildUpdateResponse(sessionID, error);
        Log.d(TAG, " -- Sending updateResponse:");
        OSUResponse exComplete = httpHandler.exchangeSOAP(mURL, updateResponse);
        Log.d(TAG, "exComplete response: " + exComplete);
        if (exComplete.getMessageType() != OSUMessageType.ExchangeComplete) {
            throw new IOException("Expected ExchangeComplete: " + exComplete);
        } else if (exComplete.getStatus() != OSUStatus.ExchangeComplete) {
            throw new IOException("Bad ExchangeComplete status: " + exComplete);
        }
        // the network is lost and the remediation flow fails.
        try {
            osuManager.remediationComplete(homeSP, mods, certs, clientKey);
        } catch (IOException | GeneralSecurityException e) {
            osuManager.provisioningFailed(homeSP.getFriendlyName(), e.getMessage(), homeSP, OSUManager.FLOW_REMEDIATION);
            error = OSUError.CommandFailed;
        }
    }
}