diff options
Diffstat (limited to 'services/tests/servicestests/src/android/net/dhcp/DhcpPacketTest.java')
-rw-r--r-- | services/tests/servicestests/src/android/net/dhcp/DhcpPacketTest.java | 189 |
1 files changed, 160 insertions, 29 deletions
diff --git a/services/tests/servicestests/src/android/net/dhcp/DhcpPacketTest.java b/services/tests/servicestests/src/android/net/dhcp/DhcpPacketTest.java index 7e60bf1..2639e26 100644 --- a/services/tests/servicestests/src/android/net/dhcp/DhcpPacketTest.java +++ b/services/tests/servicestests/src/android/net/dhcp/DhcpPacketTest.java @@ -16,23 +16,19 @@ package android.net.dhcp; -import android.net.NetworkUtils; import android.net.DhcpResults; import android.net.LinkAddress; +import android.net.NetworkUtils; import android.system.OsConstants; import android.test.suitebuilder.annotation.SmallTest; import com.android.internal.util.HexDump; - import java.net.Inet4Address; import java.nio.ByteBuffer; import java.util.ArrayList; - import junit.framework.TestCase; -import libcore.util.HexEncoding; import static android.net.dhcp.DhcpPacket.*; - public class DhcpPacketTest extends TestCase { private static Inet4Address SERVER_ADDR = v4Address("192.0.2.1"); @@ -278,7 +274,7 @@ public class DhcpPacketTest extends TestCase { // TODO: Turn all of these into golden files. This will probably require modifying // Android.mk appropriately, making this into an AndroidTestCase, and adding code to read // the golden files from the test APK's assets via mContext.getAssets(). - final ByteBuffer packet = ByteBuffer.wrap(HexEncoding.decode(( + final ByteBuffer packet = ByteBuffer.wrap(HexDump.hexStringToByteArray( // IP header. "451001480000000080118849c0a89003c0a89ff7" + // UDP header. @@ -297,8 +293,7 @@ public class DhcpPacketTest extends TestCase { "0000000000000000000000000000000000000000000000000000000000000000" + // Options "638253633501023604c0a89003330400001c200104fffff0000304c0a89ffe06080808080808080404" + - "3a0400000e103b040000189cff00000000000000000000" - ).toCharArray(), false)); + "3a0400000e103b040000189cff00000000000000000000")); DhcpPacket offerPacket = DhcpPacket.decodeFullPacket(packet, ENCAP_L3); assertTrue(offerPacket instanceof DhcpOfferPacket); // Implicitly checks it's non-null. @@ -309,7 +304,7 @@ public class DhcpPacketTest extends TestCase { @SmallTest public void testOffer2() throws Exception { - final ByteBuffer packet = ByteBuffer.wrap(HexEncoding.decode(( + final ByteBuffer packet = ByteBuffer.wrap(HexDump.hexStringToByteArray( // IP header. "450001518d0600004011144dc0a82b01c0a82bf7" + // UDP header. @@ -328,8 +323,7 @@ public class DhcpPacketTest extends TestCase { "0000000000000000000000000000000000000000000000000000000000000000" + // Options "638253633501023604c0a82b01330400000e103a04000007083b0400000c4e0104ffffff00" + - "1c04c0a82bff0304c0a82b010604c0a82b012b0f414e44524f49445f4d455445524544ff" - ).toCharArray(), false)); + "1c04c0a82bff0304c0a82b010604c0a82b012b0f414e44524f49445f4d455445524544ff")); assertEquals(337, packet.limit()); DhcpPacket offerPacket = DhcpPacket.decodeFullPacket(packet, ENCAP_L3); @@ -341,8 +335,119 @@ public class DhcpPacketTest extends TestCase { } @SmallTest + public void testBadIpPacket() throws Exception { + final byte[] packet = HexDump.hexStringToByteArray( + // IP header. + "450001518d0600004011144dc0a82b01c0a82bf7"); + + try { + DhcpPacket offerPacket = DhcpPacket.decodeFullPacket(packet, packet.length, ENCAP_L3); + fail("Dhcp packet parsing should have failed"); + } catch (DhcpPacket.ParseException expected) {} + } + + @SmallTest + public void testBadDhcpPacket() throws Exception { + final byte[] packet = HexDump.hexStringToByteArray( + // IP header. + "450001518d0600004011144dc0a82b01c0a82bf7" + + // UDP header. + "00430044013d9ac7" + + // BOOTP header. + "02010600dfc23d1f0002000000000000c0a82bf7c0a82b0100000000"); + + try { + DhcpPacket offerPacket = DhcpPacket.decodeFullPacket(packet, packet.length, ENCAP_L3); + fail("Dhcp packet parsing should have failed"); + } catch (DhcpPacket.ParseException expected) {} + } + + @SmallTest + public void testBadTruncatedOffer() throws Exception { + final byte[] packet = HexDump.hexStringToByteArray( + // IP header. + "450001518d0600004011144dc0a82b01c0a82bf7" + + // UDP header. + "00430044013d9ac7" + + // BOOTP header. + "02010600dfc23d1f0002000000000000c0a82bf7c0a82b0100000000" + + // MAC address. + "30766ff2a90c00000000000000000000" + + // Server name. + "0000000000000000000000000000000000000000000000000000000000000000" + + "0000000000000000000000000000000000000000000000000000000000000000" + + // File, missing one byte + "0000000000000000000000000000000000000000000000000000000000000000" + + "0000000000000000000000000000000000000000000000000000000000000000" + + "0000000000000000000000000000000000000000000000000000000000000000" + + "00000000000000000000000000000000000000000000000000000000000000"); + + try { + DhcpPacket offerPacket = DhcpPacket.decodeFullPacket(packet, packet.length, ENCAP_L3); + fail("Dhcp packet parsing should have failed"); + } catch (DhcpPacket.ParseException expected) {} + } + + @SmallTest + public void testBadOfferWithoutACookie() throws Exception { + final byte[] packet = HexDump.hexStringToByteArray( + // IP header. + "450001518d0600004011144dc0a82b01c0a82bf7" + + // UDP header. + "00430044013d9ac7" + + // BOOTP header. + "02010600dfc23d1f0002000000000000c0a82bf7c0a82b0100000000" + + // MAC address. + "30766ff2a90c00000000000000000000" + + // Server name. + "0000000000000000000000000000000000000000000000000000000000000000" + + "0000000000000000000000000000000000000000000000000000000000000000" + + // File. + "0000000000000000000000000000000000000000000000000000000000000000" + + "0000000000000000000000000000000000000000000000000000000000000000" + + "0000000000000000000000000000000000000000000000000000000000000000" + + "0000000000000000000000000000000000000000000000000000000000000000" + // No options + ); + + try { + DhcpPacket offerPacket = DhcpPacket.decodeFullPacket(packet, packet.length, ENCAP_L3); + fail("Dhcp packet parsing should have failed"); + } catch (DhcpPacket.ParseException expected) {} + } + + @SmallTest + public void testOfferWithBadCookie() throws Exception { + final byte[] packet = HexDump.hexStringToByteArray( + // IP header. + "450001518d0600004011144dc0a82b01c0a82bf7" + + // UDP header. + "00430044013d9ac7" + + // BOOTP header. + "02010600dfc23d1f0002000000000000c0a82bf7c0a82b0100000000" + + // MAC address. + "30766ff2a90c00000000000000000000" + + // Server name. + "0000000000000000000000000000000000000000000000000000000000000000" + + "0000000000000000000000000000000000000000000000000000000000000000" + + // File. + "0000000000000000000000000000000000000000000000000000000000000000" + + "0000000000000000000000000000000000000000000000000000000000000000" + + "0000000000000000000000000000000000000000000000000000000000000000" + + "0000000000000000000000000000000000000000000000000000000000000000" + + // Bad cookie + "DEADBEEF3501023604c0a82b01330400000e103a04000007083b0400000c4e0104ffffff00" + + "1c04c0a82bff0304c0a82b010604c0a82b012b0f414e44524f49445f4d455445524544ff"); + + try { + DhcpPacket offerPacket = DhcpPacket.decodeFullPacket(packet, packet.length, ENCAP_L3); + fail("Dhcp packet parsing should have failed"); + } catch (DhcpPacket.ParseException expected) {} + } + + @SmallTest public void testBadHwaddrLength() throws Exception { - final ByteBuffer packet = ByteBuffer.wrap(HexEncoding.decode(( + final ByteBuffer packet = ByteBuffer.wrap(HexDump.hexStringToByteArray( // IP header. "450001518d0600004011144dc0a82b01c0a82bf7" + // UDP header. @@ -361,8 +466,7 @@ public class DhcpPacketTest extends TestCase { "0000000000000000000000000000000000000000000000000000000000000000" + // Options "638253633501023604c0a82b01330400000e103a04000007083b0400000c4e0104ffffff00" + - "1c04c0a82bff0304c0a82b010604c0a82b012b0f414e44524f49445f4d455445524544ff" - ).toCharArray(), false)); + "1c04c0a82bff0304c0a82b010604c0a82b012b0f414e44524f49445f4d455445524544ff")); String expectedClientMac = "30766FF2A90C"; final int hwAddrLenOffset = 20 + 8 + 2; @@ -419,7 +523,7 @@ public class DhcpPacketTest extends TestCase { // store any information in the overloaded fields). // // For now, we just check that it parses correctly. - final ByteBuffer packet = ByteBuffer.wrap(HexEncoding.decode(( + final ByteBuffer packet = ByteBuffer.wrap(HexDump.hexStringToByteArray( // Ethernet header. "b4cef6000000e80462236e300800" + // IP header. @@ -440,8 +544,7 @@ public class DhcpPacketTest extends TestCase { "0000000000000000000000000000000000000000000000000000000000000000" + // Options "638253633501023604010101010104ffff000033040000a8c03401030304ac1101010604ac110101" + - "0000000000000000000000000000000000000000000000ff000000" - ).toCharArray(), false)); + "0000000000000000000000000000000000000000000000ff000000")); DhcpPacket offerPacket = DhcpPacket.decodeFullPacket(packet, ENCAP_L2); assertTrue(offerPacket instanceof DhcpOfferPacket); @@ -452,7 +555,7 @@ public class DhcpPacketTest extends TestCase { @SmallTest public void testBug2111() throws Exception { - final ByteBuffer packet = ByteBuffer.wrap(HexEncoding.decode(( + final ByteBuffer packet = ByteBuffer.wrap(HexDump.hexStringToByteArray( // IP header. "4500014c00000000ff119beac3eaf3880a3f5d04" + // UDP header. TODO: fix invalid checksum (due to MAC address obfuscation). @@ -471,8 +574,7 @@ public class DhcpPacketTest extends TestCase { "0000000000000000000000000000000000000000000000000000000000000000" + // Options. "638253633501023604c00002fe33040000bfc60104fffff00003040a3f50010608c0000201c0000202" + - "0f0f646f6d61696e3132332e636f2e756b0000000000ff00000000" - ).toCharArray(), false)); + "0f0f646f6d61696e3132332e636f2e756b0000000000ff00000000")); DhcpPacket offerPacket = DhcpPacket.decodeFullPacket(packet, ENCAP_L3); assertTrue(offerPacket instanceof DhcpOfferPacket); @@ -483,7 +585,7 @@ public class DhcpPacketTest extends TestCase { @SmallTest public void testBug2136() throws Exception { - final ByteBuffer packet = ByteBuffer.wrap(HexEncoding.decode(( + final ByteBuffer packet = ByteBuffer.wrap(HexDump.hexStringToByteArray( // Ethernet header. "bcf5ac000000d0c7890000000800" + // IP header. @@ -504,8 +606,7 @@ public class DhcpPacketTest extends TestCase { "0000000000000000000000000000000000000000000000000000000000000000" + // Options. "6382536335010236040a20ff80330400001c200104fffff00003040a20900106089458413494584135" + - "0f0b6c616e63732e61632e756b000000000000000000ff00000000" - ).toCharArray(), false)); + "0f0b6c616e63732e61632e756b000000000000000000ff00000000")); DhcpPacket offerPacket = DhcpPacket.decodeFullPacket(packet, ENCAP_L2); assertTrue(offerPacket instanceof DhcpOfferPacket); @@ -517,7 +618,7 @@ public class DhcpPacketTest extends TestCase { @SmallTest public void testUdpServerAnySourcePort() throws Exception { - final ByteBuffer packet = ByteBuffer.wrap(HexEncoding.decode(( + final ByteBuffer packet = ByteBuffer.wrap(HexDump.hexStringToByteArray( // Ethernet header. "9cd917000000001c2e0000000800" + // IP header. @@ -539,8 +640,7 @@ public class DhcpPacketTest extends TestCase { "0000000000000000000000000000000000000000000000000000000000000000" + // Options. "6382536335010236040a0169fc3304000151800104ffff000003040a0fc817060cd1818003d1819403" + - "d18180060f0777766d2e6564751c040a0fffffff000000" - ).toCharArray(), false)); + "d18180060f0777766d2e6564751c040a0fffffff000000")); DhcpPacket offerPacket = DhcpPacket.decodeFullPacket(packet, ENCAP_L2); assertTrue(offerPacket instanceof DhcpOfferPacket); @@ -552,8 +652,40 @@ public class DhcpPacketTest extends TestCase { } @SmallTest + public void testUdpInvalidDstPort() throws Exception { + final ByteBuffer packet = ByteBuffer.wrap(HexDump.hexStringToByteArray( + // Ethernet header. + "9cd917000000001c2e0000000800" + + // IP header. + "45a00148000040003d115087d18194fb0a0f7af2" + + // UDP header. TODO: fix invalid checksum (due to MAC address obfuscation). + // NOTE: The destination port is a non-DHCP port. + "0043aaaa01341268" + + // BOOTP header. + "02010600d628ba8200000000000000000a0f7af2000000000a0fc818" + + // MAC address. + "9cd91700000000000000000000000000" + + // Server name. + "0000000000000000000000000000000000000000000000000000000000000000" + + "0000000000000000000000000000000000000000000000000000000000000000" + + // File. + "0000000000000000000000000000000000000000000000000000000000000000" + + "0000000000000000000000000000000000000000000000000000000000000000" + + "0000000000000000000000000000000000000000000000000000000000000000" + + "0000000000000000000000000000000000000000000000000000000000000000" + + // Options. + "6382536335010236040a0169fc3304000151800104ffff000003040a0fc817060cd1818003d1819403" + + "d18180060f0777766d2e6564751c040a0fffffff000000")); + + try { + DhcpPacket.decodeFullPacket(packet, ENCAP_L2); + fail("Packet with invalid dst port did not throw ParseException"); + } catch (ParseException expected) {} + } + + @SmallTest public void testMultipleRouters() throws Exception { - final ByteBuffer packet = ByteBuffer.wrap(HexEncoding.decode(( + final ByteBuffer packet = ByteBuffer.wrap(HexDump.hexStringToByteArray( // Ethernet header. "fc3d93000000" + "081735000000" + "0800" + // IP header. @@ -574,8 +706,7 @@ public class DhcpPacketTest extends TestCase { "0000000000000000000000000000000000000000000000000000000000000000" + // Options. "638253633501023604c0abbd023304000070803a04000038403b04000062700104ffffff00" + - "0308c0a8bd01ffffff0006080808080808080404ff000000000000" - ).toCharArray(), false)); + "0308c0a8bd01ffffff0006080808080808080404ff000000000000")); DhcpPacket offerPacket = DhcpPacket.decodeFullPacket(packet, ENCAP_L2); assertTrue(offerPacket instanceof DhcpOfferPacket); |