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Commit 2a56a621 authored by Hungming Chen's avatar Hungming Chen
Browse files

resolv_gold_test: Add top 10 US websites test data 

Test: cd packages/modules/DnsResolver && atest
Change-Id: Ib472ad2881d35f3768ee1a6a7881de3f0cd33464
parent c6556625

tests/resolv_gold_test.cpp

+7 −2
Original line number Diff line number Diff line
@@ -40,6 +40,12 @@ using android::netdutils::ScopedAddrinfo; 
using std::chrono::milliseconds;



const std::string kTestDataPath = android::base::GetExecutableDirectory() + "/testdata/";

const std::vector<std::string> kGoldFilesGetAddrInfo = {

        "getaddrinfo.topsite.google.pbtxt",    "getaddrinfo.topsite.youtube.pbtxt",

        "getaddrinfo.topsite.amazon.pbtxt",    "getaddrinfo.topsite.yahoo.pbtxt",

        "getaddrinfo.topsite.facebook.pbtxt",  "getaddrinfo.topsite.reddit.pbtxt",

        "getaddrinfo.topsite.wikipedia.pbtxt", "getaddrinfo.topsite.ebay.pbtxt",

        "getaddrinfo.topsite.netflix.pbtxt",   "getaddrinfo.topsite.bing.pbtxt"};



// Fixture test class definition.

class TestBase : public ::testing::Test {
@@ -136,8 +142,7 @@ class ResolvGetAddrInfo : public TestBase {}; 
class ResolvGoldTest : public TestBase, public ::testing::WithParamInterface<std::string> {};



// GetAddrInfo tests.

INSTANTIATE_TEST_SUITE_P(GetAddrInfo, ResolvGoldTest,

                         ::testing::Values(std::string("getaddrinfo.topsite.google.pbtxt")),

INSTANTIATE_TEST_SUITE_P(GetAddrInfo, ResolvGoldTest, ::testing::ValuesIn(kGoldFilesGetAddrInfo),

                         [](const ::testing::TestParamInfo<std::string>& info) {

                             std::string name = info.param;

                             std::replace_if(

tests/testdata/README.md

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+157 −0
Original line number Diff line number Diff line 


# Resolv Gold Test

The "Resolv Gold Test" targets to run automatically in presubmit, as a change

detector to ensure that the resolver doesn't send the query or parse the

response unexpectedly.



## Build testing pbtext

The testing pbtext is built manually so far. Fill expected API parameters to

'config' and expected answers to 'result' in pbtext. Then, record the

corresponding DNS query and response packets. Fill the packets with the \x

formatting into 'query' and 'response' in pbtext. Perhaps have a mechanism

to generate the pbtxt automatically in the future.



### Using 'ping' utility to be an example for building pbtext

Here demonstrates how the pbtext is built.



1. Enable resolver debug log level to VERBOSE (0)

```

$ adb shell service call dnsresolver 10 i32 0

```

2. Ping a website

```

$ adb shell ping www.google.com

```

3. Get bugreport

```

$ adb bugreport

```

4. Search the log pattern as the follows in bugreport

```

# API arguments

resolv  : logArguments: argv[0]=gethostbyname

resolv  : logArguments: argv[1]=0

resolv  : logArguments: argv[2]=www.google.com

resolv  : logArguments: argv[3]=2



# Query packet

resolv  : ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 29827

resolv  : ;; flags: rd; QUERY: 1, ANSWER: 0, AUTHORITY: 0, ADDITIONAL: 0

resolv  : ;; QUERY SECTION:

resolv  : ;;    www.google.com, type = A, class = IN

resolv  :

resolv  : Hex dump:

resolv  : 7483010000010000000000000377777706676f6f676c6503636f6d0000010001



# Response packet

resolv  : ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 29827

resolv  : ;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 0

resolv  : ;; QUERY SECTION:

resolv  : ;;    www.google.com, type = A, class = IN

resolv  :

resolv  : ;; ANSWER SECTION:

resolv  : ;; www.google.com.        2m19s IN A  172.217.160.100

resolv  :

resolv  : Hex dump:

resolv  : 7483818000010001000000000377777706676f6f676c6503636f6d0000010001

resolv  : c00c000100010000008b0004acd9a064

```



5. Convert the logging into pbtext. Then, Clear the 'id' which is 0x7483 in

this example from 'query' and 'response' because 'id' is regenerated per

session. The follows is result pbtext.

```

config {

    call: CALL_GETHOSTBYNAME

    hostbyname {

        host: "www.google.com."

        family: GT_AF_INET

    };

}

result {

    return_code: GT_EAI_NO_ERROR

    addresses: "172.217.160.100"

}

packet_mapping {

    query:    "\x00\x00\x01\x00\x00\x01\x00\x00\x00\x00\x00\x00\x03\x77\x77\x77"

              "\x06\x67\x6f\x6f\x67\x6c\x65\x03\x63\x6f\x6d\x00\x00\x01\x00\x01"

    response: "\x00\x00\x81\x80\x00\x01\x00\x01\x00\x00\x00\x00\x03\x77\x77\x77"

              "\x06\x67\x6f\x6f\x67\x6c\x65\x03\x63\x6f\x6d\x00\x00\x01\x00\x01"

              "\xc0\x0c\x00\x01\x00\x01\x00\x00\x00\x8b\x00\x04\xac\xd9\xa0\x64"

}

```



## Decode packets in pbtext

You can invoke the [scapy](https://scapy.net) of python module to extract

binary packet record in pbtext file. Here are the instructions and example

for parsing packet.



### Instructions

Run the following instruction to decode.

```

$ python

>>> from scapy import all as scapy

>>> scapy.DNS("<paste_hex_string>").show2()

```



### Example

Using 'getaddrinfo.topsite.youtube.pbtxt' to be an example here.



1. Find the packet record 'query' or 'response' in .pbtext file.

```

query:    "\x00\x00\x01\x00\x00\x01\x00\x00\x00\x00\x00\x00\x03\x77\x77\x77"

          "\x07\x79\x6f\x75\x74\x75\x62\x65\x03\x63\x6f\x6d\x00\x00\x1c\x00"

          "\x01"

```

2. Run the following instruction.



Start python

```

$ python

```

Import scapy

```

>>> from scapy import all as scapy

```

Assign the binary packet to be decoded into a variable. Beware of using

backslash '\\' for new line if required

```

>>> raw_packet=\

    "\x00\x00\x01\x00\x00\x01\x00\x00\x00\x00\x00\x00\x03\x77\x77\x77" \

    "\x07\x79\x6f\x75\x74\x75\x62\x65\x03\x63\x6f\x6d\x00\x00\x1c\x00" \

    "\x01"

```

Decode packet

```

>>> scapy.DNS(raw_packet).show2()

###[ DNS ]###

  id        = 0

  qr        = 0

  opcode    = QUERY

  aa        = 0

  tc        = 0

  rd        = 1

  ra        = 0

  z         = 0

  ad        = 0

  cd        = 0

  rcode     = ok

  qdcount   = 1

  ancount   = 0

  nscount   = 0

  arcount   = 0

  \qd        \

   |###[ DNS Question Record ]###

   |  qname     = 'www.youtube.com.'

   |  qtype     = AAAA

   |  qclass    = IN

  an        = None

  ns        = None

  ar        = None

```



## Running the tests

Run the following instruction to test.

```

atest resolv_gold_test

```
 
 No newline at end of file

tests/testdata/getaddrinfo.topsite.amazon.pbtxt

0 → 100644
+45 −0
Original line number Diff line number Diff line 
# Location: Taipei, Taiwan

# Network: Wifi, GoogleGuest

# Date: 23 SEP 2019



config {

    call: CALL_GETADDRINFO

    addrinfo {

        host: "www.amazon.com."

        family: GT_AF_UNSPEC

        socktype: GT_SOCK_DGRAM

        protocol: GT_IPPROTO_IP

        ai_flags: 1024

    };

}

result {

    return_code: GT_EAI_NO_ERROR

    addresses: "64:ff9b::d23:9aa5"

    addresses: "104.124.254.132"

}

packet_mapping {

    query:    "\x00\x00\x01\x00\x00\x01\x00\x00\x00\x00\x00\x00\x03\x77\x77\x77"

              "\x06\x61\x6d\x61\x7a\x6f\x6e\x03\x63\x6f\x6d\x00\x00\x1c\x00\x01"

    response: "\x00\x00\x81\x80\x00\x01\x00\x03\x00\x00\x00\x00\x03\x77\x77\x77"

              "\x06\x61\x6d\x61\x7a\x6f\x6e\x03\x63\x6f\x6d\x00\x00\x1c\x00\x01"

              "\xc0\x0c\x00\x05\x00\x01\x00\x00\x03\x45\x00\x0a\x03\x77\x77\x77"

              "\x03\x63\x64\x6e\xc0\x10\xc0\x2c\x00\x05\x00\x01\x00\x00\x00\x06"

              "\x00\x1f\x0e\x64\x33\x61\x67\x34\x68\x75\x6b\x6b\x68\x36\x32\x79"

              "\x6e\x0a\x63\x6c\x6f\x75\x64\x66\x72\x6f\x6e\x74\x03\x6e\x65\x74"

              "\x00\xc0\x42\x00\x1c\x00\x01\x00\x00\x00\x3b\x00\x10\x00\x64\xff"

              "\x9b\x00\x00\x00\x00\x00\x00\x00\x00\x0d\x23\x9a\xa5"

}

packet_mapping {

    query:    "\x00\x00\x01\x00\x00\x01\x00\x00\x00\x00\x00\x00\x03\x77\x77\x77"

              "\x06\x61\x6d\x61\x7a\x6f\x6e\x03\x63\x6f\x6d\x00\x00\x01\x00\x01"

    response: "\x00\x00\x81\x80\x00\x01\x00\x04\x00\x00\x00\x00\x03\x77\x77\x77"

              "\x06\x61\x6d\x61\x7a\x6f\x6e\x03\x63\x6f\x6d\x00\x00\x01\x00\x01"

              "\xc0\x0c\x00\x05\x00\x01\x00\x00\x00\xbe\x00\x0a\x03\x77\x77\x77"

              "\x03\x63\x64\x6e\xc0\x10\xc0\x2c\x00\x05\x00\x01\x00\x00\x00\x20"

              "\x00\x1c\x03\x77\x77\x77\x06\x61\x6d\x61\x7a\x6f\x6e\x03\x63\x6f"

              "\x6d\x07\x65\x64\x67\x65\x6b\x65\x79\x03\x6e\x65\x74\x00\xc0\x42"

              "\x00\x05\x00\x01\x00\x00\x01\x10\x00\x18\x06\x65\x31\x35\x33\x31"

              "\x36\x03\x65\x32\x32\x0a\x61\x6b\x61\x6d\x61\x69\x65\x64\x67\x65"

              "\xc0\x59\xc0\x6a\x00\x01\x00\x01\x00\x00\x00\x13\x00\x04\x68\x7c"

              "\xfe\x84"

}
 
 No newline at end of file

tests/testdata/getaddrinfo.topsite.bing.pbtxt

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+48 −0
Original line number Diff line number Diff line 
# Location: Taipei, Taiwan

# Network: Wifi, GoogleGuest

# Date: 23 SEP 2019



config {

    call: CALL_GETADDRINFO

    addrinfo {

        host: "www.bing.com."

        family: GT_AF_UNSPEC

        socktype: GT_SOCK_DGRAM

        protocol: GT_IPPROTO_IP

        ai_flags: 1024

    };

}

result {

    return_code: GT_EAI_NO_ERROR

    addresses: "2620:1ec:c11::200"

    addresses: "204.79.197.200"

    addresses: "13.107.21.200"

}

packet_mapping {

    query:    "\x00\x00\x01\x00\x00\x01\x00\x00\x00\x00\x00\x00\x03\x77\x77\x77"

              "\x04\x62\x69\x6e\x67\x03\x63\x6f\x6d\x00\x00\x1c\x00\x01"

    response: "\x00\x00\x81\x80\x00\x01\x00\x03\x00\x00\x00\x00\x03\x77\x77\x77"

              "\x04\x62\x69\x6e\x67\x03\x63\x6f\x6d\x00\x00\x1c\x00\x01\xc0\x0c"

              "\x00\x05\x00\x01\x00\x00\x0b\x41\x00\x2a\x06\x61\x2d\x30\x30\x30"

              "\x31\x0a\x61\x2d\x61\x66\x64\x65\x6e\x74\x72\x79\x03\x6e\x65\x74"

              "\x0e\x74\x72\x61\x66\x66\x69\x63\x6d\x61\x6e\x61\x67\x65\x72\x03"

              "\x6e\x65\x74\x00\xc0\x2a\x00\x05\x00\x01\x00\x00\x00\x04\x00\x17"

              "\x0b\x64\x75\x61\x6c\x2d\x61\x2d\x30\x30\x30\x31\x08\x61\x2d\x6d"

              "\x73\x65\x64\x67\x65\xc0\x4f\xc0\x60\x00\x1c\x00\x01\x00\x00\x00"

              "\x01\x00\x10\x26\x20\x01\xec\x0c\x11\x00\x00\x00\x00\x00\x00\x00"

              "\x00\x02\x00"

}

packet_mapping {

    query:    "\x00\x00\x01\x00\x00\x01\x00\x00\x00\x00\x00\x00\x03\x77\x77\x77"

              "\x04\x62\x69\x6e\x67\x03\x63\x6f\x6d\x00\x00\x01\x00\x01"

    response: "\x00\x00\x81\x80\x00\x01\x00\x04\x00\x00\x00\x00\x03\x77\x77\x77"

              "\x04\x62\x69\x6e\x67\x03\x63\x6f\x6d\x00\x00\x01\x00\x01\xc0\x0c"

              "\x00\x05\x00\x01\x00\x00\x0c\x69\x00\x2a\x06\x61\x2d\x30\x30\x30"

              "\x31\x0a\x61\x2d\x61\x66\x64\x65\x6e\x74\x72\x79\x03\x6e\x65\x74"

              "\x0e\x74\x72\x61\x66\x66\x69\x63\x6d\x61\x6e\x61\x67\x65\x72\x03"

              "\x6e\x65\x74\x00\xc0\x2a\x00\x05\x00\x01\x00\x00\x00\x0d\x00\x17"

              "\x0b\x64\x75\x61\x6c\x2d\x61\x2d\x30\x30\x30\x31\x08\x61\x2d\x6d"

              "\x73\x65\x64\x67\x65\xc0\x4f\xc0\x60\x00\x01\x00\x01\x00\x00\x00"

              "\x2c\x00\x04\xcc\x4f\xc5\xc8\xc0\x60\x00\x01\x00\x01\x00\x00\x00"

              "\x2c\x00\x04\x0d\x6b\x15\xc8"

}

tests/testdata/getaddrinfo.topsite.ebay.pbtxt

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Original line number Diff line number Diff line 
# Location: Taipei, Taiwan

# Network: Wifi, GoogleGuest

# Date: 23 SEP 2019



config {

    call: CALL_GETADDRINFO

    addrinfo {

        host: "www.ebay.com."

        family: GT_AF_UNSPEC

        socktype: GT_SOCK_DGRAM

        protocol: GT_IPPROTO_IP

        ai_flags: 1024

    };

}

result {

    return_code: GT_EAI_NO_ERROR

    addresses: "64:ff9b::685d:168"

    addresses: "104.93.1.104"

}

packet_mapping {

    query:    "\x00\x00\x01\x00\x00\x01\x00\x00\x00\x00\x00\x00\x03\x77\x77\x77"

              "\x04\x65\x62\x61\x79\x03\x63\x6f\x6d\x00\x00\x1c\x00\x01"

    response: "\x00\x00\x81\x80\x00\x01\x00\x03\x00\x00\x00\x00\x03\x77\x77\x77"

              "\x04\x65\x62\x61\x79\x03\x63\x6f\x6d\x00\x00\x1c\x00\x01\xc0\x0c"

              "\x00\x05\x00\x01\x00\x00\x00\x0b\x00\x1f\x08\x73\x6c\x6f\x74\x39"

              "\x34\x32\x38\x04\x65\x62\x61\x79\x03\x63\x6f\x6d\x07\x65\x64\x67"

              "\x65\x6b\x65\x79\x03\x6e\x65\x74\x00\xc0\x2a\x00\x05\x00\x01\x00"

              "\x00\x07\xe6\x00\x15\x05\x65\x39\x34\x32\x38\x01\x62\x0a\x61\x6b"

              "\x61\x6d\x61\x69\x65\x64\x67\x65\xc0\x44\xc0\x55\x00\x1c\x00\x01"

              "\x00\x00\x00\x13\x00\x10\x00\x64\xff\x9b\x00\x00\x00\x00\x00\x00"

              "\x00\x00\x68\x5d\x01\x68"

}

packet_mapping {

    query:    "\x00\x00\x01\x00\x00\x01\x00\x00\x00\x00\x00\x00\x03\x77\x77\x77"

              "\x04\x65\x62\x61\x79\x03\x63\x6f\x6d\x00\x00\x01\x00\x01"

    response: "\x00\x00\x81\x80\x00\x01\x00\x03\x00\x00\x00\x00\x03\x77\x77\x77"

              "\x04\x65\x62\x61\x79\x03\x63\x6f\x6d\x00\x00\x01\x00\x01\xc0\x0c"

              "\x00\x05\x00\x01\x00\x00\x00\x76\x00\x1f\x08\x73\x6c\x6f\x74\x39"

              "\x34\x32\x38\x04\x65\x62\x61\x79\x03\x63\x6f\x6d\x07\x65\x64\x67"

              "\x65\x6b\x65\x79\x03\x6e\x65\x74\x00\xc0\x2a\x00\x05\x00\x01\x00"

              "\x00\x08\x28\x00\x15\x05\x65\x39\x34\x32\x38\x01\x62\x0a\x61\x6b"

              "\x61\x6d\x61\x69\x65\x64\x67\x65\xc0\x44\xc0\x55\x00\x01\x00\x01"

              "\x00\x00\x00\x13\x00\x04\x68\x5d\x01\x68"

}