VirtualBox

source: vbox/trunk/src/VBox/Main/testcase/tstGuestCtrlParseBuffer.cpp

Last change on this file was 106061, checked in by vboxsync, 3 months ago

Copyright year updates by scm.

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1/* $Id: tstGuestCtrlParseBuffer.cpp 106061 2024-09-16 14:03:52Z vboxsync $ */
2/** @file
3 * Tests for VBoxService toolbox output streams.
4 */
5
6/*
7 * Copyright (C) 2011-2024 Oracle and/or its affiliates.
8 *
9 * This file is part of VirtualBox base platform packages, as
10 * available from https://www.virtualbox.org.
11 *
12 * This program is free software; you can redistribute it and/or
13 * modify it under the terms of the GNU General Public License
14 * as published by the Free Software Foundation, in version 3 of the
15 * License.
16 *
17 * This program is distributed in the hope that it will be useful, but
18 * WITHOUT ANY WARRANTY; without even the implied warranty of
19 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
20 * General Public License for more details.
21 *
22 * You should have received a copy of the GNU General Public License
23 * along with this program; if not, see <https://www.gnu.org/licenses>.
24 *
25 * SPDX-License-Identifier: GPL-3.0-only
26 */
27
28
29/*********************************************************************************************************************************
30* Header Files *
31*********************************************************************************************************************************/
32#define LOG_GROUP LOG_GROUP_MAIN
33#include <VBox/err.h>
34#include <VBox/log.h>
35
36#include "../include/GuestCtrlImplPrivate.h"
37
38using namespace com;
39
40#include <iprt/env.h>
41#include <iprt/file.h>
42#include <iprt/test.h>
43#include <iprt/rand.h>
44#include <iprt/stream.h>
45
46#ifndef BYTE
47# define BYTE uint8_t
48#endif
49
50
51/*********************************************************************************************************************************
52* Defined Constants And Macros *
53*********************************************************************************************************************************/
54/** Defines a test entry string size (in bytes). */
55#define TST_STR_BYTES(a_sz) (sizeof(a_sz) - 1)
56/** Defines a test entry string, followed by its size (in bytes). */
57#define TST_STR_AND_BYTES(a_sz) a_sz, (sizeof(a_sz) - 1)
58/** Defines the termination sequence for a single key/value pair. */
59#define TST_STR_VAL_TRM GUESTTOOLBOX_STRM_TERM_PAIR_STR
60/** Defines the termination sequence for a single stream block. */
61#define TST_STR_BLK_TRM GUESTTOOLBOX_STRM_TERM_BLOCK_STR
62/** Defines the termination sequence for the stream. */
63#define TST_STR_STM_TRM GUESTTOOLBOX_STRM_TERM_STREAM_STR
64
65
66/*********************************************************************************************************************************
67* Structures and Typedefs *
68*********************************************************************************************************************************/
69typedef struct VBOXGUESTCTRL_BUFFER_VALUE
70{
71 char *pszValue;
72} VBOXGUESTCTRL_BUFFER_VALUE, *PVBOXGUESTCTRL_BUFFER_VALUE;
73typedef std::map< RTCString, VBOXGUESTCTRL_BUFFER_VALUE > GuestBufferMap;
74typedef std::map< RTCString, VBOXGUESTCTRL_BUFFER_VALUE >::iterator GuestBufferMapIter;
75typedef std::map< RTCString, VBOXGUESTCTRL_BUFFER_VALUE >::const_iterator GuestBufferMapIterConst;
76
77
78/*********************************************************************************************************************************
79* Global Variables *
80*********************************************************************************************************************************/
81char szUnterm1[] = { 'a', 's', 'd', 'f' };
82char szUnterm2[] = { 'f', 'o', 'o', '3', '=', 'b', 'a', 'r', '3' };
83
84PRTLOGGER g_pLog = NULL;
85
86/**
87 * Tests single block parsing.
88 */
89static struct
90{
91 const char *pbData;
92 size_t cbData;
93 uint32_t offStart;
94 uint32_t offAfter;
95 uint32_t cMapElements;
96 int iResult;
97} g_aTestBlocks[] =
98{
99 /* Invalid stuff. */
100 { NULL, 0, 0, 0, 0, VERR_INVALID_POINTER },
101 { NULL, 512, 0, 0, 0, VERR_INVALID_POINTER },
102 { "", 0, 0, 0, 0, VERR_INVALID_PARAMETER },
103 { "", 0, 0, 0, 0, VERR_INVALID_PARAMETER },
104 { "foo=bar1", 0, 0, 0, 0, VERR_INVALID_PARAMETER },
105 { "foo=bar2", 0, 50, 50, 0, VERR_INVALID_PARAMETER },
106 /* Has a empty key (not allowed). */
107 { TST_STR_AND_BYTES("=test2" TST_STR_VAL_TRM), 0, TST_STR_BYTES(""), 0, VERR_INVALID_PARAMETER },
108 /* Empty buffers, i.e. nothing to process. */
109 /* Index 6*/
110 { "", 1, 0, 0, 0, VINF_SUCCESS },
111 { TST_STR_VAL_TRM, 1, 0, 0, 0, VINF_SUCCESS },
112 /* Stream termination sequence. */
113 { TST_STR_AND_BYTES(TST_STR_STM_TRM), 0,
114 TST_STR_BYTES (TST_STR_STM_TRM), 0, VINF_EOF },
115 /* Trash after stream termination sequence (skipped / ignored). */
116 { TST_STR_AND_BYTES(TST_STR_STM_TRM "trash"), 0,
117 TST_STR_BYTES (TST_STR_STM_TRM "trash"), 0, VINF_EOF },
118 { TST_STR_AND_BYTES("a=b" TST_STR_STM_TRM), 0,
119 TST_STR_BYTES ("a=b" TST_STR_STM_TRM), 1, VINF_EOF },
120 { TST_STR_AND_BYTES("a=b" TST_STR_VAL_TRM "c=d" TST_STR_STM_TRM), 0,
121 TST_STR_BYTES ("a=b" TST_STR_VAL_TRM "c=d" TST_STR_STM_TRM), 2, VINF_EOF },
122 /* Unterminated values (missing separator, i.e. no valid pair). */
123 { TST_STR_AND_BYTES("test1"), 0, 0, 0, VINF_SUCCESS },
124 /* Has a NULL value (allowed). */
125 { TST_STR_AND_BYTES("test2=" TST_STR_VAL_TRM), 0,
126 TST_STR_BYTES ("test2="), 1, VINF_SUCCESS },
127 /* One completed pair only. */
128 { TST_STR_AND_BYTES("test3=test3" TST_STR_VAL_TRM), 0,
129 TST_STR_BYTES ("test3=test3"), 1, VINF_SUCCESS },
130 /* One completed pair, plus an unfinished pair (separator + terminator missing). */
131 { TST_STR_AND_BYTES("test4=test4" TST_STR_VAL_TRM "t41"), 0,
132 TST_STR_BYTES ("test4=test4" TST_STR_VAL_TRM), 1, VINF_SUCCESS },
133 /* Two completed pairs. */
134 { TST_STR_AND_BYTES("test5=test5" TST_STR_VAL_TRM "t51=t51" TST_STR_VAL_TRM), 0,
135 TST_STR_BYTES ("test5=test5" TST_STR_VAL_TRM "t51=t51"), 2, VINF_SUCCESS },
136 /* One complete block, next block unterminated. */
137 { TST_STR_AND_BYTES("a51=b51" TST_STR_VAL_TRM "c52=d52" TST_STR_BLK_TRM "e53=f53"), 0,
138 TST_STR_BYTES ("a51=b51" TST_STR_VAL_TRM "c52=d52" TST_STR_BLK_TRM), 2, VINF_SUCCESS },
139 /* Ditto. */
140 { TST_STR_AND_BYTES("test6=test6" TST_STR_BLK_TRM "t61=t61"), 0,
141 TST_STR_BYTES ("test6=test6" TST_STR_BLK_TRM), 1, VINF_SUCCESS },
142 /* Two complete pairs with a complete stream. */
143 { TST_STR_AND_BYTES("test61=" TST_STR_VAL_TRM "test611=test612" TST_STR_STM_TRM), 0,
144 TST_STR_BYTES ("test61=" TST_STR_VAL_TRM "test611=test612" TST_STR_STM_TRM), 2, VINF_EOF },
145 /* One complete block. */
146 { TST_STR_AND_BYTES("test7=test7" TST_STR_BLK_TRM), 0,
147 TST_STR_BYTES ("test7=test7"), 1, VINF_SUCCESS },
148 /* Ditto. */
149 { TST_STR_AND_BYTES("test81=test82" TST_STR_VAL_TRM "t81=t82" TST_STR_BLK_TRM), 0,
150 TST_STR_BYTES ("test81=test82" TST_STR_VAL_TRM "t81=t82"), 2, VINF_SUCCESS },
151 /* Good stuff, but with a second block -- should be *not* taken into account since
152 * we're only interested in parsing/handling the first object. */
153 { TST_STR_AND_BYTES("t91=t92" TST_STR_VAL_TRM "t93=t94" TST_STR_BLK_TRM "t95=t96" TST_STR_BLK_TRM), 0,
154 TST_STR_BYTES ("t91=t92" TST_STR_VAL_TRM "t93=t94" TST_STR_BLK_TRM), 2, VINF_SUCCESS },
155 /* Nasty stuff. */
156 /* iso 8859-1 encoding (?) of 'aou' all with diaeresis '=f' and 'ao' with diaeresis. */
157 { TST_STR_AND_BYTES("1\xe4\xf6\xfc=\x66\xe4\xf6" TST_STR_BLK_TRM), 0,
158 TST_STR_BYTES ("1\xe4\xf6\xfc=\x66\xe4\xf6"), 1, VINF_SUCCESS },
159 /* Like above, but after the first '\0' it adds 'ooo=aaa' all letters with diaeresis. */
160 { TST_STR_AND_BYTES("2\xe4\xf6\xfc=\x66\xe4\xf6" TST_STR_VAL_TRM "\xf6\xf6\xf6=\xe4\xe4\xe4"), 0,
161 TST_STR_BYTES ("2\xe4\xf6\xfc=\x66\xe4\xf6" TST_STR_VAL_TRM), 1, VINF_SUCCESS },
162 /* Some "real world" examples from VBoxService toolbox. */
163 { TST_STR_AND_BYTES("hdr_id=vbt_stat" TST_STR_VAL_TRM "hdr_ver=1" TST_STR_VAL_TRM "name=foo.txt" TST_STR_BLK_TRM), 0,
164 TST_STR_BYTES ("hdr_id=vbt_stat" TST_STR_VAL_TRM "hdr_ver=1" TST_STR_VAL_TRM "name=foo.txt"), 3, VINF_SUCCESS }
165};
166
167/**
168 * Tests parsing multiple stream blocks.
169 *
170 * Same parsing behavior as for the tests above apply.
171 */
172static struct
173{
174 /** Stream data. */
175 const char *pbData;
176 /** Size of stream data (in bytes). */
177 size_t cbData;
178 /** Number of data blocks retrieved. These are separated by "\0\0". */
179 uint32_t cBlocks;
180 /** Overall result when done parsing. */
181 int iResult;
182} const g_aTestStream[] =
183{
184 /* No blocks. */
185 { "", sizeof(""), 0, VINF_SUCCESS },
186 /* Empty block (no key/value pairs), will not be accounted. */
187 { TST_STR_STM_TRM,
188 TST_STR_BYTES(TST_STR_STM_TRM), 0, VINF_EOF },
189 /* Good stuff. */
190 { TST_STR_AND_BYTES(TST_STR_VAL_TRM "b1=b2" TST_STR_STM_TRM), 1, VINF_EOF },
191 { TST_STR_AND_BYTES("b3=b31" TST_STR_STM_TRM), 1, VINF_EOF },
192 { TST_STR_AND_BYTES("b4=b41" TST_STR_BLK_TRM "b51=b61" TST_STR_STM_TRM), 2, VINF_EOF },
193 { TST_STR_AND_BYTES("b5=b51" TST_STR_VAL_TRM "b61=b71" TST_STR_STM_TRM), 1, VINF_EOF }
194};
195
196/**
197 * Tests payload data to string vector parsing.
198 */
199static struct
200{
201 /** Payload data to test. */
202 const char *pbData;
203 /** Size (in bytes) of \b pbData. */
204 size_t cbData;
205 /** Number of extracted strings. */
206 size_t cStrings;
207 /** Expected result (IPRT-style). */
208 int iResult;
209} g_aTestPayloadToStringVector[] =
210{
211 /** Empty payload. */
212 { NULL, 0, 0, VINF_SUCCESS },
213 { RT_STR_TUPLE("\0"), 0, VINF_SUCCESS },
214 { RT_STR_TUPLE(""), 0, VINF_SUCCESS },
215 /** Invalid data. */
216 { RT_STR_TUPLE("two\0\0terminators"), 1, VERR_INVALID_PARAMETER },
217 { RT_STR_TUPLE("no\0ending\0terminator"), 2, VERR_BUFFER_OVERFLOW },
218 { RT_STR_TUPLE("foo"), 0, VERR_BUFFER_OVERFLOW },
219 /** Valid data. */
220 { RT_STR_TUPLE("foo\0"), 1, VINF_SUCCESS },
221 { RT_STR_TUPLE("foo\0bar\0"), 2, VINF_SUCCESS },
222 { RT_STR_TUPLE("twoendterminators\0\0"), 1, VINF_SUCCESS },
223 { RT_STR_TUPLE("이것은 테스트입니다\0bar\0"), 2, VINF_SUCCESS }
224};
225
226
227/**
228 * Reads and parses the stream from a given file.
229 *
230 * @returns RTEXITCODE
231 * @param pszFile Absolute path to file to parse.
232 */
233static int tstReadFromFile(const char *pszFile)
234{
235 RTFILE fh;
236 int rc = RTFileOpen(&fh, pszFile, RTFILE_O_READ | RTFILE_O_OPEN | RTFILE_O_DENY_NONE);
237 AssertRCReturn(rc, RTEXITCODE_FAILURE);
238
239 uint64_t cbFileSize;
240 rc = RTFileQuerySize(fh, &cbFileSize);
241 AssertRCReturn(rc, RTEXITCODE_FAILURE);
242
243 GuestToolboxStream stream;
244 GuestToolboxStreamBlock block;
245
246 size_t cPairs = 0;
247 size_t cBlocks = 0;
248
249 unsigned aToRead[] = { 256, 23, 13 }; /* Array of certain read amounts to check for in a sequence. */
250 unsigned idxToRead = 0; /* Index within aToRead. */
251
252 uint64_t cbToRead = cbFileSize;
253
254 for (unsigned a = 0; a < 32; a++)
255 {
256 uint8_t buf[_64K];
257 do
258 {
259 size_t cbChunk = cbToRead;
260 size_t const cbToReadFromArray = idxToRead < RT_ELEMENTS(aToRead) ? aToRead[idxToRead++] : 0;
261 if (cbToReadFromArray)
262 cbChunk = RT_MIN(cbChunk, cbToReadFromArray);
263 size_t const cbRand = RTRandU64Ex(8, RT_MIN(sizeof(buf), 64));
264 cbChunk = RT_MIN(cbChunk, cbRand);
265 if (cbChunk)
266 {
267 RTTestIPrintf(RTTESTLVL_DEBUG, "Reading %zu bytes (of %zu left) ...\n", cbChunk, cbToRead);
268
269 size_t cbRead;
270 rc = RTFileRead(fh, &buf, cbChunk, &cbRead);
271 AssertRCBreak(rc);
272
273 if (!cbRead)
274 continue;
275
276 cbToRead -= cbRead;
277
278 rc = stream.AddData((BYTE *)buf, cbRead);
279 AssertRCBreak(rc);
280 }
281
282 rc = stream.ParseBlock(block);
283 Assert(rc != VERR_INVALID_PARAMETER);
284 RTTestIPrintf(RTTESTLVL_DEBUG, "Parsing ended with %Rrc\n", rc);
285 if (block.IsComplete())
286 {
287 /* Sanity checks; disable this if you parse anything else but fsinfo output from VBoxService toolbox. */
288 //Assert(block.GetString("name") != NULL);
289
290 cPairs += block.GetCount();
291 cBlocks = stream.GetBlocks();
292 block.Clear();
293 }
294 } while (VINF_SUCCESS == rc /* Might also be VINF_EOF when finished */);
295
296 RTTestIPrintf(RTTESTLVL_ALWAYS, "Total %zu blocks + %zu pairs\n", cBlocks, cPairs);
297
298 /* Reset. */
299 RTFileSeek(fh, 0, RTFILE_SEEK_BEGIN, NULL);
300 cbToRead = cbFileSize;
301 cPairs = 0;
302 cBlocks = 0;
303 block.Clear();
304 stream.Destroy();
305 }
306
307 int rc2 = RTFileClose(fh);
308 if (RT_SUCCESS(rc))
309 rc = rc2;
310
311 return RT_SUCCESS(rc) ? RTEXITCODE_SUCCESS : RTEXITCODE_FAILURE;
312}
313
314int main(int argc, char **argv)
315{
316 RTTEST hTest;
317 RTEXITCODE rcExit = RTTestInitAndCreate("tstParseBuffer", &hTest);
318 if (rcExit != RTEXITCODE_SUCCESS)
319 return rcExit;
320 RTTestBanner(hTest);
321
322#ifdef DEBUG
323 RTUINT fFlags = RTLOGFLAGS_PREFIX_THREAD | RTLOGFLAGS_PREFIX_TIME_PROG;
324#if defined(RT_OS_WINDOWS) || defined(RT_OS_OS2)
325 fFlags |= RTLOGFLAGS_USECRLF;
326#endif
327 static const char * const s_apszLogGroups[] = VBOX_LOGGROUP_NAMES;
328 int rc = RTLogCreate(&g_pLog, fFlags, "guest_control.e.l.l2.l3.f", NULL,
329 RT_ELEMENTS(s_apszLogGroups), s_apszLogGroups, RTLOGDEST_STDOUT, NULL /*"vkat-release.log"*/);
330 AssertRCReturn(rc, rc);
331 RTLogSetDefaultInstance(g_pLog);
332#endif
333
334 if (argc > 1)
335 return tstReadFromFile(argv[1]);
336
337 RTTestIPrintf(RTTESTLVL_DEBUG, "Initializing COM...\n");
338 HRESULT hrc = com::Initialize();
339 if (FAILED(hrc))
340 {
341 RTTestFailed(hTest, "Failed to initialize COM (%Rhrc)!\n", hrc);
342 return RTEXITCODE_FAILURE;
343 }
344
345 AssertCompile(TST_STR_BYTES("1") == 1);
346 AssertCompile(TST_STR_BYTES("sizecheck") == 9);
347 AssertCompile(TST_STR_BYTES("off=rab") == 7);
348 AssertCompile(TST_STR_BYTES("off=rab\0\0") == 9);
349
350 RTTestSub(hTest, "Blocks");
351
352 RTTestDisableAssertions(hTest);
353
354 for (unsigned iTest = 0; iTest < RT_ELEMENTS(g_aTestBlocks); iTest++)
355 {
356 RTTestIPrintf(RTTESTLVL_DEBUG, "=> Block test #%u:\n'%.*Rhxd\n", iTest, g_aTestBlocks[iTest].cbData, g_aTestBlocks[iTest].pbData);
357
358 GuestToolboxStream stream;
359 int iResult = stream.AddData((BYTE *)g_aTestBlocks[iTest].pbData, g_aTestBlocks[iTest].cbData);
360 if (RT_SUCCESS(iResult))
361 {
362 GuestToolboxStreamBlock curBlock;
363 iResult = stream.ParseBlock(curBlock);
364 if (iResult != g_aTestBlocks[iTest].iResult)
365 RTTestFailed(hTest, "Block #%u: Returned %Rrc, expected %Rrc\n", iTest, iResult, g_aTestBlocks[iTest].iResult);
366 else if (stream.GetOffset() != g_aTestBlocks[iTest].offAfter)
367 RTTestFailed(hTest, "Block #%u: Offset %zu wrong ('%#x'), expected %u ('%#x')\n",
368 iTest, stream.GetOffset(), g_aTestBlocks[iTest].pbData[stream.GetOffset()],
369 g_aTestBlocks[iTest].offAfter, g_aTestBlocks[iTest].pbData[g_aTestBlocks[iTest].offAfter]);
370 else if (iResult == VERR_MORE_DATA)
371 RTTestIPrintf(RTTESTLVL_DEBUG, "\tMore data (Offset: %zu)\n", stream.GetOffset());
372
373 if (RT_SUCCESS(iResult) || iResult == VERR_MORE_DATA)
374 if (curBlock.GetCount() != g_aTestBlocks[iTest].cMapElements)
375 RTTestFailed(hTest, "Block #%u: Map has %u elements, expected %u\n",
376 iTest, curBlock.GetCount(), g_aTestBlocks[iTest].cMapElements);
377
378 /* There is remaining data left in the buffer (which needs to be merged
379 * with a following buffer) -- print it. */
380 size_t off = stream.GetOffset();
381 size_t cbToWrite = g_aTestBlocks[iTest].cbData - off;
382 if (cbToWrite)
383 {
384 RTTestIPrintf(RTTESTLVL_DEBUG, "\tRemaining (%u):\n", cbToWrite);
385
386 /* How to properly get the current RTTESTLVL (aka IPRT_TEST_MAX_LEVEL) here?
387 * Hack alert: Using RTEnvGet for now. */
388 if (!RTStrICmp(RTEnvGet("IPRT_TEST_MAX_LEVEL"), "debug"))
389 RTStrmWriteEx(g_pStdOut, &g_aTestBlocks[iTest].pbData[off], cbToWrite - 1, NULL);
390 }
391
392 if (RTTestIErrorCount())
393 break;
394 }
395 }
396
397 RTTestSub(hTest, "Streams");
398
399 for (unsigned iTest = 0; iTest < RT_ELEMENTS(g_aTestStream); iTest++)
400 {
401 RTTestIPrintf(RTTESTLVL_DEBUG, "=> Stream test #%u\n%.*Rhxd\n",
402 iTest, g_aTestStream[iTest].cbData, g_aTestStream[iTest].pbData);
403
404 GuestToolboxStream stream;
405 int iResult = stream.AddData((BYTE*)g_aTestStream[iTest].pbData, g_aTestStream[iTest].cbData);
406 if (RT_SUCCESS(iResult))
407 {
408 uint32_t cBlocksComplete = 0;
409 uint8_t cSafety = 0;
410 do
411 {
412 GuestToolboxStreamBlock curBlock;
413 iResult = stream.ParseBlock(curBlock);
414 RTTestIPrintf(RTTESTLVL_DEBUG, "Stream #%u: Returned with %Rrc\n", iTest, iResult);
415 if (cSafety++ > 8)
416 break;
417 if (curBlock.IsComplete())
418 cBlocksComplete++;
419 } while (iResult != VINF_EOF);
420
421 if (iResult != g_aTestStream[iTest].iResult)
422 RTTestFailed(hTest, "Stream #%u: Returned %Rrc, expected %Rrc\n", iTest, iResult, g_aTestStream[iTest].iResult);
423 else if (cBlocksComplete != g_aTestStream[iTest].cBlocks)
424 RTTestFailed(hTest, "Stream #%u: Returned %u blocks, expected %u\n", iTest, cBlocksComplete, g_aTestStream[iTest].cBlocks);
425 }
426 else
427 RTTestFailed(hTest, "Stream #%u: Adding data failed with %Rrc\n", iTest, iResult);
428
429 if (RTTestIErrorCount())
430 break;
431 }
432
433 /*
434 * Payload to string vector testing.
435 */
436 for (unsigned iTest = 0; iTest < RT_ELEMENTS(g_aTestPayloadToStringVector); iTest++)
437 {
438 GuestWaitEventPayload Payload(0 /* Type */,
439 g_aTestPayloadToStringVector[iTest].pbData, (uint32_t)g_aTestPayloadToStringVector[iTest].cbData);
440 std::vector<Utf8Str> vecStr;
441 RTTEST_CHECK_RC(hTest, Payload.ToStringVector(vecStr), g_aTestPayloadToStringVector[iTest].iResult);
442 RTTEST_CHECK(hTest, vecStr.size() == g_aTestPayloadToStringVector[iTest].cStrings);
443 }
444
445 RTTestRestoreAssertions(hTest);
446
447 RTTestIPrintf(RTTESTLVL_DEBUG, "Shutting down COM...\n");
448 com::Shutdown();
449
450 /*
451 * Summary.
452 */
453 return RTTestSummaryAndDestroy(hTest);
454}
455
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