Examples with DhcpPacket android.net.dhcp.DhcpPacket used on opensource projects

Example 26 with DhcpPacket

use of android.net.dhcp.DhcpPacket in project android_frameworks_base by ResurrectionRemix.

the class DhcpPacketTest method checkMtu.

private void checkMtu(ByteBuffer packet, int expectedMtu, byte[] mtuBytes) throws Exception {
    if (mtuBytes != null) {
        packet.position(packet.capacity() - mtuBytes.length);
        packet.put(mtuBytes);
        packet.clear();
    }
    DhcpPacket offerPacket = DhcpPacket.decodeFullPacket(packet, ENCAP_L3);
    // Implicitly checks it's non-null.
    assertTrue(offerPacket instanceof DhcpOfferPacket);
    DhcpResults dhcpResults = offerPacket.toDhcpResults();
    assertDhcpResults("192.168.159.247/20", "192.168.159.254", "8.8.8.8,8.8.4.4", null, "192.168.144.3", null, 7200, false, expectedMtu, dhcpResults);
}

Example 27 with DhcpPacket

use of android.net.dhcp.DhcpPacket in project android_frameworks_base by ResurrectionRemix.

the class DhcpPacketTest method assertLeaseTimeParses.

private void assertLeaseTimeParses(boolean expectValid, Integer rawLeaseTime, long leaseTimeMillis, byte[] leaseTimeBytes) throws Exception {
    TestDhcpPacket testPacket = new TestDhcpPacket(DHCP_MESSAGE_TYPE_OFFER);
    if (leaseTimeBytes != null) {
        testPacket.setLeaseTimeBytes(leaseTimeBytes);
    }
    ByteBuffer packet = testPacket.build();
    DhcpPacket offerPacket = null;
    if (!expectValid) {
        try {
            offerPacket = DhcpPacket.decodeFullPacket(packet, ENCAP_BOOTP);
            fail("Invalid packet parsed successfully: " + offerPacket);
        } catch (ParseException expected) {
        }
        return;
    }
    offerPacket = DhcpPacket.decodeFullPacket(packet, ENCAP_BOOTP);
    assertNotNull(offerPacket);
    assertEquals(rawLeaseTime, offerPacket.mLeaseTime);
    // Just check this doesn't crash.
    DhcpResults dhcpResults = offerPacket.toDhcpResults();
    assertEquals(leaseTimeMillis, offerPacket.getLeaseTimeMillis());
}

Example 28 with DhcpPacket

use of android.net.dhcp.DhcpPacket in project android_frameworks_base by crdroidandroid.

the class ConnectivityPacketSummary method parseDHCPv4.

private void parseDHCPv4(StringJoiner sj) {
    final DhcpPacket dhcpPacket;
    try {
        dhcpPacket = DhcpPacket.decodeFullPacket(mBytes, mLength, DhcpPacket.ENCAP_L2);
        sj.add(dhcpPacket.toString());
    } catch (DhcpPacket.ParseException e) {
        sj.add("parse error: " + e);
    }
}

Example 29 with DhcpPacket

use of android.net.dhcp.DhcpPacket in project android_frameworks_base by crdroidandroid.

the class DhcpPacketTest method assertLeaseTimeParses.

private void assertLeaseTimeParses(boolean expectValid, Integer rawLeaseTime, long leaseTimeMillis, byte[] leaseTimeBytes) throws Exception {
    TestDhcpPacket testPacket = new TestDhcpPacket(DHCP_MESSAGE_TYPE_OFFER);
    if (leaseTimeBytes != null) {
        testPacket.setLeaseTimeBytes(leaseTimeBytes);
    }
    ByteBuffer packet = testPacket.build();
    DhcpPacket offerPacket = null;
    if (!expectValid) {
        try {
            offerPacket = DhcpPacket.decodeFullPacket(packet, ENCAP_BOOTP);
            fail("Invalid packet parsed successfully: " + offerPacket);
        } catch (ParseException expected) {
        }
        return;
    }
    offerPacket = DhcpPacket.decodeFullPacket(packet, ENCAP_BOOTP);
    assertNotNull(offerPacket);
    assertEquals(rawLeaseTime, offerPacket.mLeaseTime);
    // Just check this doesn't crash.
    DhcpResults dhcpResults = offerPacket.toDhcpResults();
    assertEquals(leaseTimeMillis, offerPacket.getLeaseTimeMillis());
}

Example 30 with DhcpPacket

use of android.net.dhcp.DhcpPacket in project android_frameworks_base by crdroidandroid.

the class DhcpPacketTest method testBug2136.

@SmallTest
public void testBug2136() throws Exception {
    final ByteBuffer packet = ByteBuffer.wrap(HexDump.hexStringToByteArray(// Ethernet header.
    "bcf5ac000000d0c7890000000800" + // IP header.
    "4500014c00000000ff119beac3eaf3880a3f5d04" + // UDP header. TODO: fix invalid checksum (due to MAC address obfuscation).
    "0043004401387574" + // BOOTP header.
    "0201060163339a3000050000000000000a209ecd0000000000000000" + // MAC address.
    "bcf5ac00000000000000000000000000" + // Server name.
    "0000000000000000000000000000000000000000000000000000000000000000" + "0000000000000000000000000000000000000000000000000000000000000000" + // File.
    "0000000000000000000000000000000000000000000000000000000000000000" + "0000000000000000000000000000000000000000000000000000000000000000" + "0000000000000000000000000000000000000000000000000000000000000000" + "0000000000000000000000000000000000000000000000000000000000000000" + // Options.
    "6382536335010236040a20ff80330400001c200104fffff00003040a20900106089458413494584135" + "0f0b6c616e63732e61632e756b000000000000000000ff00000000"));
    DhcpPacket offerPacket = DhcpPacket.decodeFullPacket(packet, ENCAP_L2);
    assertTrue(offerPacket instanceof DhcpOfferPacket);
    assertEquals("BCF5AC000000", HexDump.toHexString(offerPacket.getClientMac()));
    DhcpResults dhcpResults = offerPacket.toDhcpResults();
    assertDhcpResults("10.32.158.205/20", "10.32.144.1", "148.88.65.52,148.88.65.53", "lancs.ac.uk", "10.32.255.128", null, 7200, false, 0, dhcpResults);
}