1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
|
/***************************************************************************
* dns_request_generation.cc -- Tests DNS request generation *
* *
***********************IMPORTANT NMAP LICENSE TERMS************************
* *
* The Nmap Security Scanner is (C) 1996-2016 Insecure.Com LLC ("The Nmap *
* Project"). Nmap is also a registered trademark of the Nmap Project. *
* This program is free software; you may redistribute and/or modify it *
* under the terms of the GNU General Public License as published by the *
* Free Software Foundation; Version 2 ("GPL"), BUT ONLY WITH ALL OF THE *
* CLARIFICATIONS AND EXCEPTIONS DESCRIBED HEREIN. This guarantees your *
* right to use, modify, and redistribute this software under certain *
* conditions. If you wish to embed Nmap technology into proprietary *
* software, we sell alternative licenses (contact sales@nmap.com). *
* Dozens of software vendors already license Nmap technology such as *
* host discovery, port scanning, OS detection, version detection, and *
* the Nmap Scripting Engine. *
* *
* Note that the GPL places important restrictions on "derivative works", *
* yet it does not provide a detailed definition of that term. To avoid *
* misunderstandings, we interpret that term as broadly as copyright law *
* allows. For example, we consider an application to constitute a *
* derivative work for the purpose of this license if it does any of the *
* following with any software or content covered by this license *
* ("Covered Software"): *
* *
* o Integrates source code from Covered Software. *
* *
* o Reads or includes copyrighted data files, such as Nmap's nmap-os-db *
* or nmap-service-probes. *
* *
* o Is designed specifically to execute Covered Software and parse the *
* results (as opposed to typical shell or execution-menu apps, which will *
* execute anything you tell them to). *
* *
* o Includes Covered Software in a proprietary executable installer. The *
* installers produced by InstallShield are an example of this. Including *
* Nmap with other software in compressed or archival form does not *
* trigger this provision, provided appropriate open source decompression *
* or de-archiving software is widely available for no charge. For the *
* purposes of this license, an installer is considered to include Covered *
* Software even if it actually retrieves a copy of Covered Software from *
* another source during runtime (such as by downloading it from the *
* Internet). *
* *
* o Links (statically or dynamically) to a library which does any of the *
* above. *
* *
* o Executes a helper program, module, or script to do any of the above. *
* *
* This list is not exclusive, but is meant to clarify our interpretation *
* of derived works with some common examples. Other people may interpret *
* the plain GPL differently, so we consider this a special exception to *
* the GPL that we apply to Covered Software. Works which meet any of *
* these conditions must conform to all of the terms of this license, *
* particularly including the GPL Section 3 requirements of providing *
* source code and allowing free redistribution of the work as a whole. *
* *
* As another special exception to the GPL terms, the Nmap Project grants *
* permission to link the code of this program with any version of the *
* OpenSSL library which is distributed under a license identical to that *
* listed in the included docs/licenses/OpenSSL.txt file, and distribute *
* linked combinations including the two. *
* *
* The Nmap Project has permission to redistribute Npcap, a packet *
* capturing driver and library for the Microsoft Windows platform. *
* Npcap is a separate work with it's own license rather than this Nmap *
* license. Since the Npcap license does not permit redistribution *
* without special permission, our Nmap Windows binary packages which *
* contain Npcap may not be redistributed without special permission. *
* *
* Any redistribution of Covered Software, including any derived works, *
* must obey and carry forward all of the terms of this license, including *
* obeying all GPL rules and restrictions. For example, source code of *
* the whole work must be provided and free redistribution must be *
* allowed. All GPL references to "this License", are to be treated as *
* including the terms and conditions of this license text as well. *
* *
* Because this license imposes special exceptions to the GPL, Covered *
* Work may not be combined (even as part of a larger work) with plain GPL *
* software. The terms, conditions, and exceptions of this license must *
* be included as well. This license is incompatible with some other open *
* source licenses as well. In some cases we can relicense portions of *
* Nmap or grant special permissions to use it in other open source *
* software. Please contact fyodor@nmap.org with any such requests. *
* Similarly, we don't incorporate incompatible open source software into *
* Covered Software without special permission from the copyright holders. *
* *
* If you have any questions about the licensing restrictions on using *
* Nmap in other works, are happy to help. As mentioned above, we also *
* offer alternative license to integrate Nmap into proprietary *
* applications and appliances. These contracts have been sold to dozens *
* of software vendors, and generally include a perpetual license as well *
* as providing for priority support and updates. They also fund the *
* continued development of Nmap. Please email sales@nmap.com for further *
* information. *
* *
* If you have received a written license agreement or contract for *
* Covered Software stating terms other than these, you may choose to use *
* and redistribute Covered Software under those terms instead of these. *
* *
* Source is provided to this software because we believe users have a *
* right to know exactly what a program is going to do before they run it. *
* This also allows you to audit the software for security holes. *
* *
* Source code also allows you to port Nmap to new platforms, fix bugs, *
* and add new features. You are highly encouraged to send your changes *
* to the dev@nmap.org mailing list for possible incorporation into the *
* main distribution. By sending these changes to Fyodor or one of the *
* Insecure.Org development mailing lists, or checking them into the Nmap *
* source code repository, it is understood (unless you specify *
* otherwise) that you are offering the Nmap Project the unlimited, *
* non-exclusive right to reuse, modify, and relicense the code. Nmap *
* will always be available Open Source, but this is important because *
* the inability to relicense code has caused devastating problems for *
* other Free Software projects (such as KDE and NASM). We also *
* occasionally relicense the code to third parties as discussed above. *
* If you wish to specify special license conditions of your *
* contributions, just say so when you send them. *
* *
* This program is distributed in the hope that it will be useful, but *
* WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the Nmap *
* license file for more details (it's in a COPYING file included with *
* Nmap, and also available from https://svn.nmap.org/nmap/COPYING) *
* *
***************************************************************************/
#include "../nmap_dns.h"
#include <iostream>
#define TEST_INCR(pred,acc) \
if ( !(pred) ) \
{ \
std::cout << "Test " << #pred << " failed at " << __FILE__ << ":" << __LINE__ << std::endl; \
++acc; \
}
int main()
{
std::cout << "Testing nmap_dns" << std::endl;
int ret = 0;
std::string target = "scanme.nmap.org";
DNS::RECORD_TYPE rt = DNS::A;
const size_t buflen = 1500;
u8 buf[buflen];
size_t reqlen = DNS::Factory::buildSimpleRequest(target, rt, buf, buflen);
DNS::Packet p;
size_t plen = p.parseFromBuffer(buf, buflen);
TEST_INCR(reqlen == plen, ret);
DNS::Query * q = &*p.queries.begin();
TEST_INCR(q->name == target, ret);
TEST_INCR(q->record_class == DNS::CLASS_IN, ret);
TEST_INCR(q->record_type == rt, ret);
// This is a possible answere for an A query for scanme.nmap.org
const char ipp[] = "45.33.32.156";
const size_t answere_len = 49;
const u8 answere_buf[] = { 0x92, 0xdc, // Trsnsaction ID
0x81, 0x80, // Flags
0x00, 0x01, // Questions count
0x00, 0x01, // Answers RRs count
0x00, 0x00, // Authorities RRs count
0x00, 0x00, // Additionals RRs count
0x06, // Label lenght <-- [12]
0x73, 0x63, 0x61, 0x6e, 0x6d, 0x65, // "scanme"
0x04, // Label lenght
0x6e, 0x6d, 0x61, 0x70, // "nmap"
0x03, // Label lenght
0x6f, 0x72, 0x67, // "org"
0x00, // Name terminator
0x00, 0x01, // A
0x00, 0x01, // CLASS_IN
0xc0, 0x0c, // Compressed name pointer to offset 12
0x00, 0x01, // A
0x00, 0x01, // CLASS_IN
0x00, 0x00, 0x0e, 0x0f, // TTL 3599
0x00, 0x04, // Record Lenght
0x2d, 0x21, 0x20, 0x9c }; // 45.33.32.156
plen = p.parseFromBuffer(answere_buf, answere_len);
TEST_INCR(answere_len == plen, ret);
q = &*p.queries.begin();
TEST_INCR(q->name == target, ret);
TEST_INCR(q->record_class == DNS::CLASS_IN, ret);
TEST_INCR(q->record_type == rt, ret );
DNS::Answer * a = &*p.answers.begin();
TEST_INCR(a->name == target, ret );
TEST_INCR(a->record_class == DNS::CLASS_IN, ret);
TEST_INCR(a->record_type == DNS::A, ret);
TEST_INCR(a->ttl == 3599, ret)
DNS::A_Record * ar = static_cast<DNS::A_Record *>(a->record);
char ar_ipp[INET6_ADDRSTRLEN];
sockaddr_storage_iptop(&ar->value, ar_ipp);
TEST_INCR(!strcmp(ipp, ar_ipp), ret);
const size_t ptr_answere_len = 72;
std::string ptr_target;
TEST_INCR(DNS::Factory::ipToPtr(ar->value, ptr_target), ret);
TEST_INCR(ptr_target == "156.32.33.45.in-addr.arpa", ret);
const u8 ptr_answere[] = { 0x08, 0xf2, // ID
0x81, 0x80, // Flags
0x00, 0x01, // Questions count
0x00, 0x01, // Answers RRs count
0x00, 0x00, // Authorities RRs count
0x00, 0x00, // Additionals RRs count
0x03, // Label lenght
0x31, 0x35, 0x36, // "156"
0x02, // Label lenght
0x33, 0x32, // "32"
0x02, // Label lenght
0x33, 0x33, // "33"
0x02, // Label lenght
0x34, 0x35, // "45"
0x07, // Label lenght
0x69, 0x6e, 0x2d, 0x61, 0x64, 0x64, 0x72, // "in-addr"
0x04, // Label lenght
0x61, 0x72, 0x70, 0x61, // "arpa"
0x00, // Name terminator
0x00, 0x0c, // PTR
0x00, 0x01, // CLASS_IN
0xc0, 0x0c, // Compressed name pointer to offset 12
0x00, 0x0c, // PTR
0x00, 0x01, // CLASS_IN
0x00, 0x01, 0x51, 0x78, // TTL 86392
0x00, 0x11, // Record Lenght
0x06, // Label lenght
0x73, 0x63, 0x61, 0x6e, 0x6d, 0x65, // "scanme"
0x04, // Label lenght
0x6e, 0x6d, 0x61, 0x70, // "nmap"
0x03, // Label lenght
0x6f, 0x72, 0x67, // "org"
0x00 }; // Name terminator
plen = p.parseFromBuffer(ptr_answere, ptr_answere_len);
TEST_INCR(plen == ptr_answere_len, ret);
TEST_INCR(p.id == 0x08f2, ret);
TEST_INCR(p.flags == 0x8180, ret);
TEST_INCR(p.queries.size() == 1, ret);
TEST_INCR(p.answers.size() == 1, ret);
q = &*p.queries.begin();
TEST_INCR(q->name == ptr_target, ret);
TEST_INCR(q->record_class == DNS::CLASS_IN, ret);
TEST_INCR(q->record_type == DNS::PTR, ret);
a = &*p.answers.begin();
TEST_INCR(a->name == ptr_target, ret);
TEST_INCR(a->record_class == DNS::CLASS_IN, ret);
TEST_INCR(a->record_type == DNS::PTR, ret);
TEST_INCR(a->length == 0x11, ret);
TEST_INCR(a->ttl == 86392, ret);
DNS::PTR_Record * r = static_cast<DNS::PTR_Record *>(a->record);
TEST_INCR(r->value == target, ret);
if(ret) std::cout << "Testing nmap_dns finished with errors" << std::endl;
else std::cout << "Testing nmap_dns finished without errors" << std::endl;
return ret; // 0 means ok
}
|
