257 lines
9.6 KiB
C
257 lines
9.6 KiB
C
/* test_resolver.c
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* strophe XMPP client library -- tests for resolver
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*
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* Copyright (C) 2015 Dmitry Podgorny <pasis.ua@gmail.com>
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*
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* This software is provided AS-IS with no warranty, either express
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* or implied.
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*
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* This program is dual licensed under the MIT and GPLv3 licenses.
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*/
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#include <assert.h>
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#include <stdio.h>
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#include "strophe.h"
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#include "rand.h"
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#include "resolver.h"
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#include "test.h"
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/* res_query("_xmpp-client._tcp.jabber.kiev.ua", C_IN, T_SRV, ...) */
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static const unsigned char data1[] = {
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0x95, 0xf3, 0x81, 0x80, 0x00, 0x01, 0x00, 0x01,
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0x00, 0x00, 0x00, 0x00, 0x0c, 0x5f, 0x78, 0x6d,
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0x70, 0x70, 0x2d, 0x63, 0x6c, 0x69, 0x65, 0x6e,
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0x74, 0x04, 0x5f, 0x74, 0x63, 0x70, 0x06, 0x6a,
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0x61, 0x62, 0x62, 0x65, 0x72, 0x04, 0x6b, 0x69,
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0x65, 0x76, 0x02, 0x75, 0x61, 0x00, 0x00, 0x21,
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0x00, 0x01, 0xc0, 0x0c, 0x00, 0x21, 0x00, 0x01,
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0x00, 0x00, 0x00, 0x3b, 0x00, 0x16, 0x00, 0x01,
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0x00, 0x00, 0x14, 0x66, 0x06, 0x6a, 0x61, 0x62,
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0x62, 0x65, 0x72, 0x04, 0x6b, 0x69, 0x65, 0x76,
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0x02, 0x75, 0x61, 0x00,
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};
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/* res_query("_xmpp-client._tcp.jabber.org", C_IN, T_SRV, ...) */
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static const unsigned char data2[] = {
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0xf2, 0x98, 0x81, 0x80, 0x00, 0x01, 0x00, 0x02,
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0x00, 0x00, 0x00, 0x00, 0x0c, 0x5f, 0x78, 0x6d,
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0x70, 0x70, 0x2d, 0x63, 0x6c, 0x69, 0x65, 0x6e,
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0x74, 0x04, 0x5f, 0x74, 0x63, 0x70, 0x06, 0x6a,
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0x61, 0x62, 0x62, 0x65, 0x72, 0x03, 0x6f, 0x72,
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0x67, 0x00, 0x00, 0x21, 0x00, 0x01, 0xc0, 0x0c,
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0x00, 0x21, 0x00, 0x01, 0x00, 0x00, 0x03, 0x83,
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0x00, 0x1a, 0x00, 0x1e, 0x00, 0x1e, 0x14, 0x66,
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0x07, 0x68, 0x65, 0x72, 0x6d, 0x65, 0x73, 0x32,
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0x06, 0x6a, 0x61, 0x62, 0x62, 0x65, 0x72, 0x03,
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0x6f, 0x72, 0x67, 0x00, 0xc0, 0x0c, 0x00, 0x21,
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0x00, 0x01, 0x00, 0x00, 0x03, 0x83, 0x00, 0x1c,
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0x00, 0x1f, 0x00, 0x1e, 0x14, 0x66, 0x09, 0x68,
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0x65, 0x72, 0x6d, 0x65, 0x73, 0x32, 0x76, 0x36,
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0x06, 0x6a, 0x61, 0x62, 0x62, 0x65, 0x72, 0x03,
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0x6f, 0x72, 0x67, 0x00,
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};
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/* res_query("_xmpp-client._tcp.gmail.com", C_IN, T_SRV, ...) */
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static const unsigned char data3[] = {
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0xda, 0xa8, 0x81, 0x80, 0x00, 0x01, 0x00, 0x05,
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0x00, 0x00, 0x00, 0x00, 0x0c, 0x5f, 0x78, 0x6d,
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0x70, 0x70, 0x2d, 0x63, 0x6c, 0x69, 0x65, 0x6e,
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0x74, 0x04, 0x5f, 0x74, 0x63, 0x70, 0x05, 0x67,
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0x6d, 0x61, 0x69, 0x6c, 0x03, 0x63, 0x6f, 0x6d,
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0x00, 0x00, 0x21, 0x00, 0x01, 0xc0, 0x0c, 0x00,
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0x21, 0x00, 0x01, 0x00, 0x00, 0x02, 0x43, 0x00,
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0x1e, 0x00, 0x14, 0x00, 0x00, 0x14, 0x66, 0x04,
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0x61, 0x6c, 0x74, 0x31, 0x04, 0x78, 0x6d, 0x70,
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0x70, 0x01, 0x6c, 0x06, 0x67, 0x6f, 0x6f, 0x67,
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0x6c, 0x65, 0x03, 0x63, 0x6f, 0x6d, 0x00, 0xc0,
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0x0c, 0x00, 0x21, 0x00, 0x01, 0x00, 0x00, 0x02,
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0x43, 0x00, 0x1e, 0x00, 0x14, 0x00, 0x00, 0x14,
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0x66, 0x04, 0x61, 0x6c, 0x74, 0x34, 0x04, 0x78,
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0x6d, 0x70, 0x70, 0x01, 0x6c, 0x06, 0x67, 0x6f,
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0x6f, 0x67, 0x6c, 0x65, 0x03, 0x63, 0x6f, 0x6d,
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0x00, 0xc0, 0x0c, 0x00, 0x21, 0x00, 0x01, 0x00,
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0x00, 0x02, 0x43, 0x00, 0x1e, 0x00, 0x14, 0x00,
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0x00, 0x14, 0x66, 0x04, 0x61, 0x6c, 0x74, 0x32,
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0x04, 0x78, 0x6d, 0x70, 0x70, 0x01, 0x6c, 0x06,
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0x67, 0x6f, 0x6f, 0x67, 0x6c, 0x65, 0x03, 0x63,
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0x6f, 0x6d, 0x00, 0xc0, 0x0c, 0x00, 0x21, 0x00,
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0x01, 0x00, 0x00, 0x02, 0x43, 0x00, 0x19, 0x00,
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0x05, 0x00, 0x00, 0x14, 0x66, 0x04, 0x78, 0x6d,
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0x70, 0x70, 0x01, 0x6c, 0x06, 0x67, 0x6f, 0x6f,
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0x67, 0x6c, 0x65, 0x03, 0x63, 0x6f, 0x6d, 0x00,
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0xc0, 0x0c, 0x00, 0x21, 0x00, 0x01, 0x00, 0x00,
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0x02, 0x43, 0x00, 0x1e, 0x00, 0x14, 0x00, 0x00,
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0x14, 0x66, 0x04, 0x61, 0x6c, 0x74, 0x33, 0x04,
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0x78, 0x6d, 0x70, 0x70, 0x01, 0x6c, 0x06, 0x67,
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0x6f, 0x6f, 0x67, 0x6c, 0x65, 0x03, 0x63, 0x6f,
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0x6d, 0x00,
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};
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/* res_query("_xmpp-client._tcp.jabber.calyxinstitute.org", C_IN, T_SRV, ...) */
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static const unsigned char data4[] = {
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0x8d, 0x58, 0x81, 0x80, 0x00, 0x01, 0x00, 0x02, 0x00, 0x00, // .X........
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0x00, 0x00, 0x0c, 0x5f, 0x78, 0x6d, 0x70, 0x70, 0x2d, 0x63, // ..._xmpp-c
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0x6c, 0x69, 0x65, 0x6e, 0x74, 0x04, 0x5f, 0x74, 0x63, 0x70, // lient._tcp
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0x06, 0x6a, 0x61, 0x62, 0x62, 0x65, 0x72, 0x0e, 0x63, 0x61, // .jabber.ca
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0x6c, 0x79, 0x78, 0x69, 0x6e, 0x73, 0x74, 0x69, 0x74, 0x75, // lyxinstitu
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0x74, 0x65, 0x03, 0x6f, 0x72, 0x67, 0x00, 0x00, 0x21, 0x00, // te.org..!.
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0x01, 0xc0, 0x0c, 0x00, 0x21, 0x00, 0x01, 0x00, 0x00, 0x03, // ....!.....
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0x83, 0x00, 0x1e, 0x00, 0x04, 0x00, 0x00, 0x14, 0x66, 0x10, // ........f.
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0x69, 0x6a, 0x65, 0x65, 0x79, 0x6e, 0x72, 0x63, 0x36, 0x78, // ijeeynrc6x
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0x32, 0x75, 0x79, 0x35, 0x6f, 0x62, 0x05, 0x6f, 0x6e, 0x69, // 2uy5ob.oni
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0x6f, 0x6e, 0x00, 0xc0, 0x0c, 0x00, 0x21, 0x00, 0x01, 0x00, // on....!...
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0x00, 0x03, 0x83, 0x00, 0x21, 0x00, 0x05, 0x00, 0x01, 0x14, // ....!.....
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0x66, 0x06, 0x6a, 0x61, 0x62, 0x62, 0x65, 0x72, 0x0e, 0x63, // f.jabber.c
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0x61, 0x6c, 0x79, 0x78, 0x69, 0x6e, 0x73, 0x74, 0x69, 0x74, // alyxinstit
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0x75, 0x74, 0x65, 0x03, 0x6f, 0x72, 0x67, 0x00, // ute.org.
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};
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/* res_query("_xmpp-client._tcp.jabber.org", C_IN, T_SRV, ...) with pointers */
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static const unsigned char data5[] = {
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0x00, 0x00, 0x81, 0x80, 0x00, 0x01, 0x00, 0x02, 0x00, 0x00, // ..........
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0x00, 0x00, 0x0c, 0x5f, 0x78, 0x6d, 0x70, 0x70, 0x2d, 0x63, // ..._xmpp-c
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0x6c, 0x69, 0x65, 0x6e, 0x74, 0x04, 0x5f, 0x74, 0x63, 0x70, // lient._tcp
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0x06, 0x6a, 0x61, 0x62, 0x62, 0x65, 0x72, 0x03, 0x6f, 0x72, // .jabber.or
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0x67, 0x00, 0x00, 0x21, 0x00, 0x01, 0xc0, 0x0c, 0x00, 0x21, // g..!.....!
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0x00, 0x01, 0x00, 0x00, 0x01, 0x9e, 0x00, 0x12, 0x00, 0x1f, // ..........
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0x00, 0x1e, 0x14, 0x66, 0x09, 0x68, 0x65, 0x72, 0x6d, 0x65, // ...f.herme
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0x73, 0x32, 0x76, 0x36, 0xc0, 0x1e, 0xc0, 0x0c, 0x00, 0x21, // s2v6.....!
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0x00, 0x01, 0x00, 0x00, 0x01, 0x9e, 0x00, 0x10, 0x00, 0x1e, // ..........
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0x00, 0x1e, 0x14, 0x66, 0x07, 0x68, 0x65, 0x72, 0x6d, 0x65, // ...f.herme
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0x73, 0x32, 0xc0, 0x1e, // s2..
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};
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/* hacked data2 with two empty-string targets. */
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static const unsigned char data6[] = {
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0xf2, 0x98, 0x81, 0x80, 0x00, 0x01, 0x00, 0x02,
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0x00, 0x00, 0x00, 0x00, 0x0c, 0x5f, 0x78, 0x6d,
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0x70, 0x70, 0x2d, 0x63, 0x6c, 0x69, 0x65, 0x6e,
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0x74, 0x04, 0x5f, 0x74, 0x63, 0x70, 0x06, 0x6a,
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0x61, 0x62, 0x62, 0x65, 0x72, 0x03, 0x6f, 0x72,
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0x67, 0x00, 0x00, 0x21, 0x00, 0x01, 0xc0, 0x0c,
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0x00, 0x21, 0x00, 0x01, 0x00, 0x00, 0x03, 0x83,
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0x00, 0x07, 0x00, 0x1e, 0x00, 0x1e, 0x14, 0x66,
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0x00, 0xc0, 0x0c, 0x00, 0x21, 0x00, 0x01, 0x00,
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0x00, 0x03, 0x83, 0x00, 0x08, 0x00, 0x1f, 0x00,
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0x1e, 0x14, 0x66, 0xc0, 0x40,
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};
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static const struct {
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const unsigned char *data;
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size_t len;
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char *target;
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unsigned short port;
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int target_nr;
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} tests[] = {
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{
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.data = data1,
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.len = sizeof(data1),
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.target = "jabber.kiev.ua",
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.port = 5222,
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.target_nr = 1,
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},
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{
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.data = data2,
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.len = sizeof(data2),
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.target = "hermes2.jabber.org",
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.port = 5222,
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.target_nr = 2,
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},
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{
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.data = data3,
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.len = sizeof(data3),
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.target = "xmpp.l.google.com",
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.port = 5222,
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.target_nr = 5,
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},
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{
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.data = data4,
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.len = sizeof(data4),
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.target = "ijeeynrc6x2uy5ob.onion",
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.port = 5222,
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.target_nr = 2,
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},
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{
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.data = data5,
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.len = sizeof(data5),
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.target = "hermes2.jabber.org",
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.port = 5222,
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.target_nr = 2,
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},
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{
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.data = data6,
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.len = sizeof(data6),
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.target = "",
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.port = 5222,
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.target_nr = 2,
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},
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};
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static int srv_rr_list_len(resolver_srv_rr_t *list)
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{
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int nr;
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for (nr = 0; list != NULL; ++nr, list = list->next);
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return nr;
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}
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int main(int argc, char **argv)
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{
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xmpp_ctx_t *ctx;
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xmpp_rand_t *rand;
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resolver_srv_rr_t *srv_rr_list;
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char *domain;
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unsigned char *buf;
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unsigned short port;
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size_t i;
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int ret;
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ctx = xmpp_ctx_new(NULL, NULL);
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assert(ctx != NULL);
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printf("resolver_srv_lookup_buf() tests.\n");
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for (i = 0; i < ARRAY_SIZE(tests); ++i) {
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printf("Test #%zu: ", i + 1);
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ret = resolver_srv_lookup_buf(ctx, tests[i].data, tests[i].len,
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&srv_rr_list);
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assert(ret == XMPP_DOMAIN_FOUND);
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assert(srv_rr_list != NULL);
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if (tests[i].target_nr != srv_rr_list_len(srv_rr_list)) {
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printf("fail! got %d targets, but should be %d\n",
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srv_rr_list_len(srv_rr_list), tests[i].target_nr);
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return 1;
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}
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/* check only 1st result */
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domain = srv_rr_list->target;
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port = srv_rr_list->port;
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COMPARE(tests[i].target, domain);
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if (tests[i].port != port) {
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printf("fail! got port=%u, but should be %u\n",
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(unsigned)port, (unsigned)tests[i].port);
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return 1;
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}
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printf("ok\n");
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resolver_srv_free(ctx, srv_rr_list);
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}
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/*
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* The next test case must not crash and is supposed to be checked
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* under valgrind.
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*/
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printf("Test of a broken message: ");
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rand = xmpp_rand_new(ctx);
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assert(rand != NULL);
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assert(sizeof(data2) > 64);
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buf = xmpp_alloc(ctx, sizeof(data2));
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assert(buf != NULL);
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memcpy(buf, data2, 64);
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xmpp_rand_bytes(rand, &buf[64], sizeof(data2) - 64);
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ret = resolver_srv_lookup_buf(ctx, buf, sizeof(data2), &srv_rr_list);
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if (ret == XMPP_DOMAIN_FOUND && srv_rr_list != NULL)
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resolver_srv_free(ctx, srv_rr_list);
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xmpp_free(ctx, buf);
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xmpp_rand_free(ctx, rand);
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printf("ok\n");
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xmpp_ctx_free(ctx);
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return 0;
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}
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