tstRTNetIPv4.cpp@ 93138

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1	/* $Id: tstRTNetIPv4.cpp 93115 2022-01-01 11:31:46Z vboxsync $ */
2	/** @file
3	* IPRT Testcase - IPv4.
4	*/
5
6	/*
7	* Copyright (C) 2008-2022 Oracle Corporation
8	*
9	* This file is part of VirtualBox Open Source Edition (OSE), as
10	* available from http://www.virtualbox.org. This file is free software;
11	* you can redistribute it and/or modify it under the terms of the GNU
12	* General Public License (GPL) as published by the Free Software
13	* Foundation, in version 2 as it comes in the "COPYING" file of the
14	* VirtualBox OSE distribution. VirtualBox OSE is distributed in the
15	* hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
16	*
17	* The contents of this file may alternatively be used under the terms
18	* of the Common Development and Distribution License Version 1.0
19	* (CDDL) only, as it comes in the "COPYING.CDDL" file of the
20	* VirtualBox OSE distribution, in which case the provisions of the
21	* CDDL are applicable instead of those of the GPL.
22	*
23	* You may elect to license modified versions of this file under the
24	* terms and conditions of either the GPL or the CDDL or both.
25	*/
26
27
28	/*********************************************************************************************************************************
29	* Header Files *
30	*********************************************************************************************************************************/
31	#include <iprt/net.h>
32
33	#include <iprt/errcore.h>
34	#include <iprt/initterm.h>
35	#include <iprt/test.h>
36
37
38	/*********************************************************************************************************************************
39	* Defined Constants And Macros *
40	*********************************************************************************************************************************/
41	#define CHECKADDR(String, rcExpected, ExpectedAddr) \
42	do { \
43	RTNETADDRIPV4 Addr; \
44	int rc2 = RTNetStrToIPv4Addr(String, &Addr); \
45	if ((rcExpected) && !rc2) \
46	{ \
47	RTTestIFailed("at line %d: '%s': expected %Rrc got %Rrc\n", \
48	__LINE__, String, (rcExpected), rc2); \
49	} \
50	else if ( (rcExpected) != rc2 \
51	\|\| ( rc2 == VINF_SUCCESS \
52	&& RT_H2N_U32_C(ExpectedAddr) != Addr.u)) \
53	{ \
54	RTTestIFailed("at line %d: '%s': expected %Rrc got %Rrc," \
55	" expected address %RTnaipv4 got %RTnaipv4\n", \
56	__LINE__, String, rcExpected, rc2, \
57	RT_H2N_U32_C(ExpectedAddr), Addr.u); \
58	} \
59	} while (0)
60
61	#define GOODADDR(String, ExpectedAddr) \
62	CHECKADDR(String, VINF_SUCCESS, ExpectedAddr)
63
64	#define BADADDR(String) \
65	CHECKADDR(String, VERR_INVALID_PARAMETER, 0)
66
67
68	#define CHECKADDREX(String, Trailer, rcExpected, ExpectedAddr) \
69	do { \
70	RTNETADDRIPV4 Addr; \
71	const char strAll = String / concat */ Trailer; \
72	const char *pTrailer = strAll + sizeof(String) - 1; \
73	char *pNext = NULL; \
74	int rc2 = RTNetStrToIPv4AddrEx(strAll, &Addr, &pNext); \
75	if ((rcExpected) && !rc2) \
76	{ \
77	RTTestIFailed("at line %d: '%s': expected %Rrc got %Rrc\n", \
78	__LINE__, String, (rcExpected), rc2); \
79	} \
80	else if ((rcExpected) != rc2 \
81	\|\| (rc2 == VINF_SUCCESS \
82	&& (RT_H2N_U32_C(ExpectedAddr) != Addr.u \
83	\|\| pTrailer != pNext))) \
84	{ \
85	RTTestIFailed("at line %d: '%s': expected %Rrc got %Rrc," \
86	" expected address %RTnaipv4 got %RTnaipv4" \
87	" expected trailer \"%s\" got %s%s%s" \
88	"\n", \
89	__LINE__, String, rcExpected, rc2, \
90	RT_H2N_U32_C(ExpectedAddr), Addr.u, \
91	pTrailer, \
92	pNext ? "\"" : "", \
93	pNext ? pNext : "(null)", \
94	pNext ? "\"" : ""); \
95	} \
96	} while (0)
97
98
99	#define CHECKCIDR(String, rcExpected, ExpectedAddr, iExpectedPrefix) \
100	do { \
101	RTNETADDRIPV4 Addr; \
102	int iPrefix; \
103	\
104	int rc2 = RTNetStrToIPv4Cidr(String, &Addr, &iPrefix); \
105	if ((rcExpected) && !rc2) \
106	{ \
107	RTTestIFailed("at line %d: '%s': expected %Rrc got %Rrc\n", \
108	__LINE__, String, (rcExpected), rc2); \
109	} \
110	else if ( (rcExpected) != rc2 \
111	\|\| ( rc2 == VINF_SUCCESS \
112	&& ( RT_H2N_U32_C(ExpectedAddr) != Addr.u \
113	\|\| iExpectedPrefix != iPrefix))) \
114	{ \
115	RTTestIFailed("at line %d: '%s': expected %Rrc got %Rrc," \
116	" expected address %RTnaipv4/%d got %RTnaipv4/%d\n", \
117	__LINE__, String, rcExpected, rc2, \
118	RT_H2N_U32_C(ExpectedAddr), (iExpectedPrefix), \
119	Addr.u, iPrefix); \
120	} \
121	} while (0)
122
123	#define GOODCIDR(String, ExpectedAddr, iExpectedPrefix) \
124	CHECKCIDR(String, VINF_SUCCESS, ExpectedAddr, iExpectedPrefix)
125
126	#define BADCIDR(String) \
127	CHECKCIDR(String, VERR_INVALID_PARAMETER, 0, 0)
128
129
130	#define CHECKISADDR(String, fExpected) \
131	do { \
132	bool fRc = RTNetIsIPv4AddrStr(String); \
133	if (fRc != fExpected) \
134	{ \
135	RTTestIFailed("at line %d: '%s':" \
136	" expected %RTbool got %RTbool\n", \
137	__LINE__, (String), fExpected, fRc); \
138	} \
139	} while (0)
140
141	#define IS_ADDR(String) CHECKISADDR((String), true)
142	#define NOT_ADDR(String) CHECKISADDR((String), false)
143
144
145	#define CHECKANY(String, fExpected) \
146	do { \
147	bool fRc = RTNetStrIsIPv4AddrAny(String); \
148	if (fRc != fExpected) \
149	{ \
150	RTTestIFailed("at line %d: '%s':" \
151	" expected %RTbool got %RTbool\n", \
152	__LINE__, (String), fExpected, fRc); \
153	} \
154	} while (0)
155
156	#define IS_ANY(String) CHECKANY((String), true)
157	#define NOT_ANY(String) CHECKANY((String), false)
158
159
160	#define CHECKMASK(_mask, _rcExpected, _iExpectedPrefix) \
161	do { \
162	/* const */ RTNETADDRIPV4 Mask; \
163	int iExpectedPrefix = (_iExpectedPrefix); \
164	int iPrefix; \
165	const int rcExpected = (_rcExpected); \
166	int rc2; \
167	\
168	Mask.u = RT_H2N_U32_C(UINT32_C(_mask)); \
169	rc2 = RTNetMaskToPrefixIPv4(&Mask, &iPrefix); \
170	\
171	if (rcExpected == VINF_SUCCESS) \
172	{ \
173	if (rc2 != rcExpected) \
174	{ \
175	/* unexpected failure */ \
176	RTTestIFailed("at line %d: mask %RTnaipv4:" \
177	" expected prefix length %d got %Rrc\n", \
178	__LINE__, Mask.u, \
179	iExpectedPrefix, rc2); \
180	} \
181	else if (iPrefix != iExpectedPrefix) \
182	{ \
183	/* unexpected result */ \
184	RTTestIFailed("at line %d: mask %RTnaipv4:" \
185	" expected prefix length %d got %d\n", \
186	__LINE__, Mask.u, \
187	iExpectedPrefix, iPrefix); \
188	} \
189	} \
190	else /* expect failure */ \
191	{ \
192	if (rc2 == VINF_SUCCESS) \
193	{ \
194	/* unexpected success */ \
195	RTTestIFailed("at line %d: mask %RTnaipv4:" \
196	" expected %Rrc got prefix length %d\n", \
197	__LINE__, Mask.u, \
198	rcExpected, iPrefix); \
199	} \
200	else if (rc2 != rcExpected) \
201	{ \
202	/* unexpected error */ \
203	RTTestIFailed("at line %d: mask %RTnaipv4:" \
204	" expected %Rrc got %Rrc\n", \
205	__LINE__, Mask.u, \
206	rcExpected, rc2); \
207	} \
208	} \
209	} while (0)
210
211	#define CHECKPREFIX(_prefix, _rcExpected, _mask) \
212	do { \
213	const int iPrefix = (_prefix); \
214	RTNETADDRIPV4 ExpectedMask, Mask; \
215	const int rcExpected = (_rcExpected); \
216	int rc2; \
217	\
218	ExpectedMask.u = RT_H2N_U32_C(UINT32_C(_mask)); \
219	rc2 = RTNetPrefixToMaskIPv4(iPrefix, &Mask); \
220	\
221	if (rcExpected == VINF_SUCCESS) \
222	{ \
223	if (rc2 != rcExpected) \
224	{ \
225	/* unexpected failure */ \
226	RTTestIFailed("at line %d: prefix %d:" \
227	" expected mask %RTnaipv4 got %Rrc\n", \
228	__LINE__, iPrefix, \
229	ExpectedMask.u, rc2); \
230	} \
231	else if (Mask.u != ExpectedMask.u) \
232	{ \
233	/* unexpected result */ \
234	RTTestIFailed("at line %d: prefix %d:" \
235	" expected mask %RTnaipv4 got %RTnaipv4\n", \
236	__LINE__, iPrefix, \
237	ExpectedMask.u, Mask.u); \
238	} \
239	} \
240	else /* expect failure */ \
241	{ \
242	if (rc2 == VINF_SUCCESS) \
243	{ \
244	/* unexpected success */ \
245	RTTestIFailed("at line %d: prefix %d:" \
246	" expected %Rrc got mask %RTnaipv4\n", \
247	__LINE__, iPrefix, \
248	rcExpected, Mask.u); \
249	} \
250	else if (rc2 != rcExpected) \
251	{ \
252	/* unexpected error */ \
253	RTTestIFailed("at line %d: prefix %d:" \
254	" expected %Rrc got %Rrc\n", \
255	__LINE__, iPrefix, \
256	rcExpected, rc2); \
257	} \
258	} \
259	} while (0)
260
261	#define GOODMASK(_mask, _prefix) \
262	do { \
263	CHECKMASK(_mask, VINF_SUCCESS, _prefix); \
264	CHECKPREFIX(_prefix, VINF_SUCCESS, _mask); \
265	} while (0)
266
267	#define BADMASK(_mask) \
268	CHECKMASK(_mask, VERR_INVALID_PARAMETER, -1)
269
270	#define BADPREFIX(_prefix) \
271	CHECKPREFIX(_prefix, VERR_INVALID_PARAMETER, 0)
272
273
274	int main()
275	{
276	RTTEST hTest;
277	int rc = RTTestInitAndCreate("tstRTNetIPv4", &hTest);
278	if (rc)
279	return rc;
280	RTTestBanner(hTest);
281
282	GOODADDR("1.2.3.4", 0x01020304);
283	GOODADDR("0.0.0.0", 0x00000000);
284	GOODADDR("255.255.255.255", 0xFFFFFFFF);
285
286	/* leading and trailing whitespace is allowed */
287	GOODADDR(" 1.2.3.4 ", 0x01020304);
288	GOODADDR("\t1.2.3.4\t", 0x01020304);
289
290	BADADDR("1.2.3.4x");
291	BADADDR("1.2.3.4.");
292	BADADDR("1.2.3");
293	BADADDR("0x1.2.3.4");
294	BADADDR("666.2.3.4");
295	BADADDR("1.666.3.4");
296	BADADDR("1.2.666.4");
297	BADADDR("1.2.3.666");
298
299	/*
300	* Parsing itself is covered by the tests above, here we only
301	* check trailers
302	*/
303	CHECKADDREX("1.2.3.4", "", VINF_SUCCESS, 0x01020304);
304	CHECKADDREX("1.2.3.4", " ", VWRN_TRAILING_SPACES, 0x01020304);
305	CHECKADDREX("1.2.3.4", "x", VWRN_TRAILING_CHARS, 0x01020304);
306	CHECKADDREX("1.2.3.444", "", VERR_INVALID_PARAMETER, 0);
307
308
309	GOODCIDR("1.2.3.4", 0x01020304, 32);
310	GOODCIDR("1.2.3.4/32", 0x01020304, 32);
311	GOODCIDR("1.2.3.4/24", 0x01020304, 24); /* address is not truncated to prefix */
312
313	GOODCIDR("1.2.3.0/0xffffff00", 0x01020300, 24);
314	GOODCIDR("1.2.3.4/0xffffff00", 0x01020304, 24);
315	GOODCIDR("1.2.3.4/0xffffffff", 0x01020304, 32);
316
317	GOODCIDR("1.2.3.0/255.255.255.0", 0x01020300, 24);
318	GOODCIDR("1.2.3.4/255.255.255.0", 0x01020304, 24);
319	GOODCIDR("1.2.3.4/255.255.255.255", 0x01020304, 32);
320
321	GOODCIDR("0.0.0.0/0", 0x00000000, 0);
322	GOODCIDR("0.0.0.0/0x0", 0x00000000, 0);
323	GOODCIDR("0.0.0.0/0.0.0.0", 0x00000000, 0);
324
325	/*
326	* we allow zero prefix mostly for the sake of the above
327	* "everything"/default case, but allow it on everything - a
328	* conscientious caller should be doing more checks on the result
329	* anyway.
330	*/
331	GOODCIDR("1.2.3.4/0", 0x01020304, 0); /* prefix can be zero */
332
333	GOODCIDR("\t " "1.2.3.4/24", 0x01020304, 24); /* leading spaces ok */
334	GOODCIDR( "1.2.3.4/24" " \t", 0x01020304, 24); /* trailing spaces ok */
335	GOODCIDR("\t " "1.2.3.4/24" " \t", 0x01020304, 24); /* both are ok */
336
337	/* trailing space with netmask notation */
338	GOODCIDR("1.2.3.0/0xffffff00" " ", 0x01020300, 24);
339	GOODCIDR("1.2.3.0/255.255.255.0" " ", 0x01020300, 24);
340
341	BADCIDR("1.2.3.4/24.");
342	BADCIDR("1.2.3.4/24 .");
343	BADCIDR("1.2.3.4/240.");
344	BADCIDR("1.2.3.4/240.");
345
346	BADCIDR("1.2.3.4/33"); /* prefix is too big */
347	BADCIDR("1.2.3.4/256"); /* prefix is too big */
348	BADCIDR("1.2.3.4/257"); /* prefix is too big */
349	BADCIDR("1.2.3.4/-1"); /* prefix is negative */
350	BADCIDR("1.2.3.4/"); /* prefix is missing */
351	BADCIDR("1.2.3.4/a"); /* prefix is not a number */
352	BADCIDR("1.2.3.4/0xa"); /* prefix is not decimal */
353	// BADCIDR("1.2.3.0/024"); /* XXX: prefix is not decimal */
354
355	BADCIDR("1.2.3.0 /24"); /* no spaces after address */
356	BADCIDR("1.2.3.0/ 24"); /* no spaces after slash */
357
358	BADCIDR("1.2.3.0/24" "x"); /* trailing chars */
359	BADCIDR("1.2.3.0/24" " x"); /* trailing chars */
360
361	BADCIDR("1.2.3.0/0xffffff01"); /* non-contiguous mask */
362	BADCIDR("1.2.3.0/255.255.255.1"); /* non-contiguous mask */
363
364	/* NB: RTNetIsIPv4AddrStr does NOT allow leading/trailing whitespace */
365	IS_ADDR("1.2.3.4");
366	NOT_ADDR(" 1.2.3.4");
367	NOT_ADDR("1.2.3.4 ");
368	NOT_ADDR("1.2.3.4x");
369
370	IS_ANY("0.0.0.0");
371	IS_ANY("\t 0.0.0.0 \t"); /* ... but RTNetStrIsIPv4AddrAny does */
372
373	NOT_ANY("1.1.1.1"); /* good address, but not INADDR_ANY */
374	NOT_ANY("0.0.0.0x"); /* bad address */
375
376
377	/*
378	* The mask <-> prefix table is small so we can test it all.
379	*/
380	GOODMASK(0x00000000, 0); /* 0.0.0.0 */
381	GOODMASK(0x80000000, 1); /* 128.0.0.0 */
382	GOODMASK(0xc0000000, 2); /* 192.0.0.0 */
383	GOODMASK(0xe0000000, 3); /* 224.0.0.0 */
384	GOODMASK(0xf0000000, 4); /* 240.0.0.0 */
385	GOODMASK(0xf8000000, 5); /* 248.0.0.0 */
386	GOODMASK(0xfc000000, 6); /* 252.0.0.0 */
387	GOODMASK(0xfe000000, 7); /* 254.0.0.0 */
388	GOODMASK(0xff000000, 8); /* 255.0.0.0 */
389	GOODMASK(0xff800000, 9); /* 255.128.0.0 */
390	GOODMASK(0xffc00000, 10); /* 255.192.0.0 */
391	GOODMASK(0xffe00000, 11); /* 255.224.0.0 */
392	GOODMASK(0xfff00000, 12); /* 255.240.0.0 */
393	GOODMASK(0xfff80000, 13); /* 255.248.0.0 */
394	GOODMASK(0xfffc0000, 14); /* 255.252.0.0 */
395	GOODMASK(0xfffe0000, 15); /* 255.254.0.0 */
396	GOODMASK(0xffff0000, 16); /* 255.255.0.0 */
397	GOODMASK(0xffff8000, 17); /* 255.255.128.0 */
398	GOODMASK(0xffffc000, 18); /* 255.255.192.0 */
399	GOODMASK(0xffffe000, 19); /* 255.255.224.0 */
400	GOODMASK(0xfffff000, 20); /* 255.255.240.0 */
401	GOODMASK(0xfffff800, 21); /* 255.255.248.0 */
402	GOODMASK(0xfffffc00, 22); /* 255.255.252.0 */
403	GOODMASK(0xfffffe00, 23); /* 255.255.254.0 */
404	GOODMASK(0xffffff00, 24); /* 255.255.255.0 */
405	GOODMASK(0xffffff80, 25); /* 255.255.255.128 */
406	GOODMASK(0xffffffc0, 26); /* 255.255.255.192 */
407	GOODMASK(0xffffffe0, 27); /* 255.255.255.224 */
408	GOODMASK(0xfffffff0, 28); /* 255.255.255.240 */
409	GOODMASK(0xfffffff8, 29); /* 255.255.255.248 */
410	GOODMASK(0xfffffffc, 30); /* 255.255.255.252 */
411	GOODMASK(0xfffffffe, 31); /* 255.255.255.254 */
412	GOODMASK(0xffffffff, 32); /* 255.255.255.255 */
413
414	BADMASK(0x01020304);
415
416	BADPREFIX(-1);
417	BADPREFIX(33);
418
419	return RTTestSummaryAndDestroy(hTest);
420	}

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