dbgcfg.cpp@ 93115

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1	/* $Id: dbgcfg.cpp 93115 2022-01-01 11:31:46Z vboxsync $ */
2	/** @file
3	* IPRT - Debugging Configuration.
4	*/
5
6	/*
7	* Copyright (C) 2013-2022 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	#define LOG_GROUP RTLOGGROUP_DBG
32	#include <iprt/dbg.h>
33	#include "internal/iprt.h"
34
35	#include <iprt/alloca.h>
36	#include <iprt/asm.h>
37	#include <iprt/assert.h>
38	#include <iprt/critsect.h>
39	#include <iprt/ctype.h>
40	#include <iprt/dir.h>
41	#include <iprt/err.h>
42	#include <iprt/env.h>
43	#include <iprt/file.h>
44	#ifdef IPRT_WITH_HTTP
45	# include <iprt/http.h>
46	#endif
47	#include <iprt/list.h>
48	#include <iprt/log.h>
49	#include <iprt/mem.h>
50	#include <iprt/path.h>
51	#include <iprt/process.h>
52	#include <iprt/semaphore.h>
53	#include <iprt/string.h>
54	#include <iprt/uuid.h>
55	#include "internal/magics.h"
56
57
58	/*********************************************************************************************************************************
59	* Structures and Typedefs *
60	*********************************************************************************************************************************/
61	/**
62	* String list entry.
63	*/
64	typedef struct RTDBGCFGSTR
65	{
66	/** List entry. */
67	RTLISTNODE ListEntry;
68	/** Domain specific flags. */
69	uint16_t fFlags;
70	/** The length of the string. */
71	uint16_t cch;
72	/** The string. */
73	char sz[1];
74	} RTDBGCFGSTR;
75	/** Pointer to a string list entry. */
76	typedef RTDBGCFGSTR *PRTDBGCFGSTR;
77
78
79	/**
80	* Configuration instance.
81	*/
82	typedef struct RTDBGCFGINT
83	{
84	/** The magic value (RTDBGCFG_MAGIC). */
85	uint32_t u32Magic;
86	/** Reference counter. */
87	uint32_t volatile cRefs;
88	/** Flags, see RTDBGCFG_FLAGS_XXX. */
89	uint64_t fFlags;
90
91	/** List of paths to search for debug files and executable images. */
92	RTLISTANCHOR PathList;
93	/** List of debug file suffixes. */
94	RTLISTANCHOR SuffixList;
95	/** List of paths to search for source files. */
96	RTLISTANCHOR SrcPathList;
97
98	#ifdef RT_OS_WINDOWS
99	/** The _NT_ALT_SYMBOL_PATH and _NT_SYMBOL_PATH combined. */
100	RTLISTANCHOR NtSymbolPathList;
101	/** The _NT_EXECUTABLE_PATH. */
102	RTLISTANCHOR NtExecutablePathList;
103	/** The _NT_SOURCE_PATH. */
104	RTLISTANCHOR NtSourcePath;
105	#endif
106
107	/** Log callback function. */
108	PFNRTDBGCFGLOG pfnLogCallback;
109	/** User argument to pass to the log callback. */
110	void *pvLogUser;
111
112	/** Critical section protecting the instance data. */
113	RTCRITSECTRW CritSect;
114	} *PRTDBGCFGINT;
115
116	/**
117	* Mnemonics map entry for a 64-bit unsigned property value.
118	*/
119	typedef struct RTDBGCFGU64MNEMONIC
120	{
121	/** The flags to set or clear. */
122	uint64_t fFlags;
123	/** The mnemonic. */
124	const char *pszMnemonic;
125	/** The length of the mnemonic. */
126	uint8_t cchMnemonic;
127	/** If @c true, the bits in fFlags will be set, if @c false they will be
128	* cleared. */
129	bool fSet;
130	} RTDBGCFGU64MNEMONIC;
131	/** Pointer to a read only mnemonic map entry for a uint64_t property. */
132	typedef RTDBGCFGU64MNEMONIC const *PCRTDBGCFGU64MNEMONIC;
133
134
135	/*********************************************************************************************************************************
136	* Defined Constants And Macros *
137	*********************************************************************************************************************************/
138	/** Validates a debug module handle and returns rc if not valid. */
139	#define RTDBGCFG_VALID_RETURN_RC(pThis, rc) \
140	do { \
141	AssertPtrReturn((pThis), (rc)); \
142	AssertReturn((pThis)->u32Magic == RTDBGCFG_MAGIC, (rc)); \
143	AssertReturn((pThis)->cRefs > 0, (rc)); \
144	} while (0)
145
146
147	/*********************************************************************************************************************************
148	* Global Variables *
149	*********************************************************************************************************************************/
150	/** Mnemonics map for RTDBGCFGPROP_FLAGS. */
151	static const RTDBGCFGU64MNEMONIC g_aDbgCfgFlags[] =
152	{
153	{ RTDBGCFG_FLAGS_DEFERRED, RT_STR_TUPLE("deferred"), true },
154	{ RTDBGCFG_FLAGS_DEFERRED, RT_STR_TUPLE("nodeferred"), false },
155	{ RTDBGCFG_FLAGS_NO_SYM_SRV, RT_STR_TUPLE("symsrv"), false },
156	{ RTDBGCFG_FLAGS_NO_SYM_SRV, RT_STR_TUPLE("nosymsrv"), true },
157	{ RTDBGCFG_FLAGS_NO_SYSTEM_PATHS, RT_STR_TUPLE("syspaths"), false },
158	{ RTDBGCFG_FLAGS_NO_SYSTEM_PATHS, RT_STR_TUPLE("nosyspaths"), true },
159	{ RTDBGCFG_FLAGS_NO_RECURSIV_SEARCH, RT_STR_TUPLE("rec"), false },
160	{ RTDBGCFG_FLAGS_NO_RECURSIV_SEARCH, RT_STR_TUPLE("norec"), true },
161	{ RTDBGCFG_FLAGS_NO_RECURSIV_SRC_SEARCH, RT_STR_TUPLE("recsrc"), false },
162	{ RTDBGCFG_FLAGS_NO_RECURSIV_SRC_SEARCH, RT_STR_TUPLE("norecsrc"), true },
163	{ 0, NULL, 0, false }
164	};
165
166
167	/** Interesting bundle suffixes. */
168	static const char * const g_apszBundleSuffixes[] =
169	{
170	".kext",
171	".app",
172	".framework",
173	".component",
174	".action",
175	".caction",
176	".bundle",
177	".sourcebundle",
178	".menu",
179	".plugin",
180	".ppp",
181	".monitorpanel",
182	".scripting",
183	".prefPane",
184	".qlgenerator",
185	".brailledriver",
186	".saver",
187	".SpeechVoice",
188	".SpeechRecognizer",
189	".SpeechSynthesizer",
190	".mdimporter",
191	".spreporter",
192	".xpc",
193	NULL
194	};
195
196	/** Debug bundle suffixes. (Same as above + .dSYM) */
197	static const char * const g_apszDSymBundleSuffixes[] =
198	{
199	".dSYM",
200	".kext.dSYM",
201	".app.dSYM",
202	".framework.dSYM",
203	".component.dSYM",
204	".action.dSYM",
205	".caction.dSYM",
206	".bundle.dSYM",
207	".sourcebundle.dSYM",
208	".menu.dSYM",
209	".plugin.dSYM",
210	".ppp.dSYM",
211	".monitorpanel.dSYM",
212	".scripting.dSYM",
213	".prefPane.dSYM",
214	".qlgenerator.dSYM",
215	".brailledriver.dSYM",
216	".saver.dSYM",
217	".SpeechVoice.dSYM",
218	".SpeechRecognizer.dSYM",
219	".SpeechSynthesizer.dSYM",
220	".mdimporter.dSYM",
221	".spreporter.dSYM",
222	".xpc.dSYM",
223	NULL
224	};
225
226
227
228	/**
229	* Runtime logging, level 1.
230	*
231	* @param pThis The debug config instance data.
232	* @param pszFormat The message format string.
233	* @param ... Arguments references in the format string.
234	*/
235	static void rtDbgCfgLog1(PRTDBGCFGINT pThis, const char *pszFormat, ...)
236	{
237	if (LogIsEnabled() \|\| (pThis && pThis->pfnLogCallback))
238	{
239	va_list va;
240	va_start(va, pszFormat);
241	char *pszMsg = RTStrAPrintf2V(pszFormat, va);
242	va_end(va);
243
244	Log(("RTDbgCfg: %s", pszMsg));
245	if (pThis && pThis->pfnLogCallback)
246	pThis->pfnLogCallback(pThis, 1, pszMsg, pThis->pvLogUser);
247	RTStrFree(pszMsg);
248	}
249	}
250
251
252	/**
253	* Runtime logging, level 2.
254	*
255	* @param pThis The debug config instance data.
256	* @param pszFormat The message format string.
257	* @param ... Arguments references in the format string.
258	*/
259	static void rtDbgCfgLog2(PRTDBGCFGINT pThis, const char *pszFormat, ...)
260	{
261	if (LogIs2Enabled() \|\| (pThis && pThis->pfnLogCallback))
262	{
263	va_list va;
264	va_start(va, pszFormat);
265	char *pszMsg = RTStrAPrintf2V(pszFormat, va);
266	va_end(va);
267
268	Log(("RTDbgCfg: %s", pszMsg));
269	if (pThis && pThis->pfnLogCallback)
270	pThis->pfnLogCallback(pThis, 2, pszMsg, pThis->pvLogUser);
271	RTStrFree(pszMsg);
272	}
273	}
274
275
276	/**
277	* Checks if the file system at the given path is case insensitive or not.
278	*
279	* @returns true / false
280	* @param pszPath The path to query about.
281	*/
282	static int rtDbgCfgIsFsCaseInsensitive(const char *pszPath)
283	{
284	RTFSPROPERTIES Props;
285	int rc = RTFsQueryProperties(pszPath, &Props);
286	if (RT_FAILURE(rc))
287	return RT_OPSYS == RT_OPSYS_DARWIN
288	\|\| RT_OPSYS == RT_OPSYS_DOS
289	\|\| RT_OPSYS == RT_OPSYS_OS2
290	\|\| RT_OPSYS == RT_OPSYS_NT
291	\|\| RT_OPSYS == RT_OPSYS_WINDOWS;
292	return !Props.fCaseSensitive;
293	}
294
295
296	/**
297	* Worker that does case sensitive file/dir searching.
298	*
299	* @returns true / false.
300	* @param pszPath The path buffer containing an existing directory and
301	* at @a offLastComp the name we're looking for.
302	* RTPATH_MAX in size. On success, this last component
303	* will have the correct case. On failure, the last
304	* component is stripped off.
305	* @param offLastComp The offset of the last component (for chopping it
306	* off).
307	* @param enmType What kind of thing we're looking for.
308	*/
309	static bool rtDbgCfgIsXxxxAndFixCaseWorker(char *pszPath, size_t offLastComp, RTDIRENTRYTYPE enmType)
310	{
311	/** @todo IPRT should generalize this so we can use host specific tricks to
312	* speed it up. */
313
314	char *pszName = &pszPath[offLastComp];
315
316	/* Return straight away if the name isn't case foldable. */
317	if (!RTStrIsCaseFoldable(pszName))
318	{
319	*pszName = '\0';
320	return false;
321	}
322
323	/*
324	* Try some simple case folding games.
325	*/
326	RTStrToLower(pszName);
327	if (RTFileExists(pszPath))
328	return true;
329
330	RTStrToUpper(pszName);
331	if (RTFileExists(pszPath))
332	return true;
333
334	/*
335	* Open the directory and check each entry in it.
336	*/
337	char chSaved = *pszName;
338	*pszName = '\0';
339
340	RTDIR hDir;
341	int rc = RTDirOpen(&hDir, pszPath);
342	if (RT_FAILURE(rc))
343	return false;
344
345	*pszName = chSaved;
346
347	for (;;)
348	{
349	/* Read the next entry. */
350	union
351	{
352	RTDIRENTRY Entry;
353	uint8_t ab[_4K];
354	} u;
355	size_t cbBuf = sizeof(u);
356	rc = RTDirRead(hDir, &u.Entry, &cbBuf);
357	if (RT_FAILURE(rc))
358	break;
359
360	if ( !RTStrICmp(pszName, u.Entry.szName)
361	&& ( u.Entry.enmType == enmType
362	\|\| u.Entry.enmType == RTDIRENTRYTYPE_UNKNOWN
363	\|\| u.Entry.enmType == RTDIRENTRYTYPE_SYMLINK) )
364	{
365	strcpy(pszName, u.Entry.szName);
366	if (u.Entry.enmType != enmType)
367	RTDirQueryUnknownType(pszPath, true /fFollowSymlinks/, &u.Entry.enmType);
368	if (u.Entry.enmType == enmType)
369	{
370	RTDirClose(hDir);
371	return true;
372	}
373	}
374	}
375
376	RTDirClose(hDir);
377	*pszName = '\0';
378
379	return false;
380	}
381
382
383	/**
384	* Appends @a pszSubDir to @a pszPath and check whether it exists and is a
385	* directory.
386	*
387	* If @a fCaseInsensitive is set, we will do a case insensitive search for a
388	* matching sub directory.
389	*
390	* @returns true / false
391	* @param pszPath The path buffer containing an existing
392	* directory. RTPATH_MAX in size.
393	* @param pszSubDir The sub directory to append.
394	* @param fCaseInsensitive Whether case insensitive searching is required.
395	*/
396	static bool rtDbgCfgIsDirAndFixCase(char pszPath, const char pszSubDir, bool fCaseInsensitive)
397	{
398	/* Save the length of the input path so we can restore it in the case
399	insensitive branch further down. */
400	size_t const cchPath = strlen(pszPath);
401
402	/*
403	* Append the sub directory and check if we got a hit.
404	*/
405	int rc = RTPathAppend(pszPath, RTPATH_MAX, pszSubDir);
406	if (RT_FAILURE(rc))
407	return false;
408
409	if (RTDirExists(pszPath))
410	return true;
411
412	/*
413	* Do case insensitive lookup if requested.
414	*/
415	if (fCaseInsensitive)
416	return rtDbgCfgIsXxxxAndFixCaseWorker(pszPath, cchPath, RTDIRENTRYTYPE_DIRECTORY);
417
418	pszPath[cchPath] = '\0';
419	return false;
420	}
421
422
423	/**
424	* Appends @a pszSubDir1 and @a pszSuffix to @a pszPath and check whether it
425	* exists and is a directory.
426	*
427	* If @a fCaseInsensitive is set, we will do a case insensitive search for a
428	* matching sub directory.
429	*
430	* @returns true / false
431	* @param pszPath The path buffer containing an existing
432	* directory. RTPATH_MAX in size.
433	* @param pszSubDir The sub directory to append.
434	* @param pszSuffix The suffix to append.
435	* @param fCaseInsensitive Whether case insensitive searching is required.
436	*/
437	static bool rtDbgCfgIsDirAndFixCase2(char pszPath, const char pszSubDir, const char *pszSuffix, bool fCaseInsensitive)
438	{
439	Assert(!strpbrk(pszSuffix, ":/\\"));
440
441	/* Save the length of the input path so we can restore it in the case
442	insensitive branch further down. */
443	size_t const cchPath = strlen(pszPath);
444
445	/*
446	* Append the subdirectory and suffix, then check if we got a hit.
447	*/
448	int rc = RTPathAppend(pszPath, RTPATH_MAX, pszSubDir);
449	if (RT_SUCCESS(rc))
450	{
451	rc = RTStrCat(pszPath, RTPATH_MAX, pszSuffix);
452	if (RT_SUCCESS(rc))
453	{
454	if (RTDirExists(pszPath))
455	return true;
456
457	/*
458	* Do case insensitive lookup if requested.
459	*/
460	if (fCaseInsensitive)
461	return rtDbgCfgIsXxxxAndFixCaseWorker(pszPath, cchPath, RTDIRENTRYTYPE_DIRECTORY);
462	}
463	}
464
465	pszPath[cchPath] = '\0';
466	return false;
467	}
468
469
470	/**
471	* Appends @a pszFilename to @a pszPath and check whether it exists and is a
472	* directory.
473	*
474	* If @a fCaseInsensitive is set, we will do a case insensitive search for a
475	* matching filename.
476	*
477	* @returns true / false
478	* @param pszPath The path buffer containing an existing
479	* directory. RTPATH_MAX in size.
480	* @param pszFilename The filename to append.
481	* @param pszSuffix Optional filename suffix to append.
482	* @param fCaseInsensitive Whether case insensitive searching is required.
483	* @param fMsCompressed Whether to look for the MS compressed file name
484	* variant.
485	* @param pfProbablyCompressed This is set to true if a MS compressed
486	* filename variant is returned. Optional.
487	*/
488	static bool rtDbgCfgIsFileAndFixCase(char pszPath, const char pszFilename, const char *pszSuffix, bool fCaseInsensitive,
489	bool fMsCompressed, bool *pfProbablyCompressed)
490	{
491	/* Save the length of the input path so we can restore it in the case
492	insensitive branch further down. */
493	size_t cchPath = strlen(pszPath);
494	if (pfProbablyCompressed)
495	*pfProbablyCompressed = false;
496
497	/*
498	* Append the filename and optionally suffix, then check if we got a hit.
499	*/
500	int rc = RTPathAppend(pszPath, RTPATH_MAX, pszFilename);
501	if (RT_FAILURE(rc))
502	return false;
503	if (pszSuffix)
504	{
505	Assert(!fMsCompressed);
506	rc = RTStrCat(pszPath, RTPATH_MAX, pszSuffix);
507	if (RT_FAILURE(rc))
508	return false;
509	}
510
511	if (RTFileExists(pszPath))
512	return true;
513
514	/*
515	* Do case insensitive file lookup if requested.
516	*/
517	if (fCaseInsensitive)
518	{
519	if (rtDbgCfgIsXxxxAndFixCaseWorker(pszPath, cchPath, RTDIRENTRYTYPE_FILE))
520	return true;
521	}
522
523	/*
524	* Look for MS compressed file if requested.
525	*/
526	if ( fMsCompressed
527	&& (unsigned char)pszFilename[strlen(pszFilename) - 1] < 0x7f)
528	{
529	pszPath[cchPath] = '\0';
530	rc = RTPathAppend(pszPath, RTPATH_MAX, pszFilename);
531	AssertRCReturn(rc, false);
532	pszPath[strlen(pszPath) - 1] = '_';
533
534	if (pfProbablyCompressed)
535	*pfProbablyCompressed = true;
536
537	if ( RTFileExists(pszPath)
538	\|\| ( fCaseInsensitive
539	&& rtDbgCfgIsXxxxAndFixCaseWorker(pszPath, cchPath, RTDIRENTRYTYPE_FILE) ))
540	return true;
541
542	if (pfProbablyCompressed)
543	*pfProbablyCompressed = false;
544	}
545
546	pszPath[cchPath] = '\0';
547	return false;
548	}
549
550
551	static int rtDbgCfgTryOpenDir(PRTDBGCFGINT pThis, char *pszPath, PRTPATHSPLIT pSplitFn, uint32_t fFlags,
552	PFNRTDBGCFGOPEN pfnCallback, void pvUser1, void pvUser2)
553	{
554	int rcRet = VWRN_NOT_FOUND;
555	int rc2;
556
557	/* If the directory doesn't exist, just quit immediately.
558	Note! Our case insensitivity doesn't extend to the search dirs themselfs,
559	only to the bits under neath them. */
560	if (!RTDirExists(pszPath))
561	{
562	rtDbgCfgLog2(pThis, "Dir does not exist: '%s'\n", pszPath);
563	return rcRet;
564	}
565
566	/* Figure out whether we have to do a case sensitive search or not.
567	Note! As a simplification, we don't ask for case settings in each
568	directory under the user specified path, we assume the file
569	systems that mounted there have compatible settings. Faster
570	that way. */
571	bool const fCaseInsensitive = (fFlags & RTDBGCFG_O_CASE_INSENSITIVE)
572	&& !rtDbgCfgIsFsCaseInsensitive(pszPath);
573
574	size_t const cchPath = strlen(pszPath);
575
576	/*
577	* Look for the file with less and less of the original path given.
578	*/
579	for (unsigned i = RTPATH_PROP_HAS_ROOT_SPEC(pSplitFn->fProps); i < pSplitFn->cComps; i++)
580	{
581	pszPath[cchPath] = '\0';
582
583	rc2 = VINF_SUCCESS;
584	for (unsigned j = i; j < pSplitFn->cComps - 1U && RT_SUCCESS(rc2); j++)
585	if (!rtDbgCfgIsDirAndFixCase(pszPath, pSplitFn->apszComps[i], fCaseInsensitive))
586	rc2 = VERR_FILE_NOT_FOUND;
587
588	if (RT_SUCCESS(rc2))
589	{
590	if (rtDbgCfgIsFileAndFixCase(pszPath, pSplitFn->apszComps[pSplitFn->cComps - 1], NULL /pszSuffix/,
591	fCaseInsensitive, false, NULL))
592	{
593	rtDbgCfgLog1(pThis, "Trying '%s'...\n", pszPath);
594	rc2 = pfnCallback(pThis, pszPath, pvUser1, pvUser2);
595	if (rc2 == VINF_CALLBACK_RETURN \|\| rc2 == VERR_CALLBACK_RETURN)
596	{
597	if (rc2 == VINF_CALLBACK_RETURN)
598	rtDbgCfgLog1(pThis, "Found '%s'.\n", pszPath);
599	else
600	rtDbgCfgLog1(pThis, "Error opening '%s'.\n", pszPath);
601	return rc2;
602	}
603	rtDbgCfgLog1(pThis, "Error %Rrc opening '%s'.\n", rc2, pszPath);
604	if (RT_FAILURE(rc2) && RT_SUCCESS_NP(rcRet))
605	rcRet = rc2;
606	}
607	}
608	}
609
610	/*
611	* Do a recursive search if requested.
612	*/
613	if ( (fFlags & RTDBGCFG_O_RECURSIVE)
614	&& pThis
615	&& !(pThis->fFlags & RTDBGCFG_FLAGS_NO_RECURSIV_SEARCH) )
616	{
617	/** @todo Recursive searching will be done later. */
618	}
619
620	return rcRet;
621	}
622
623	static int rtDbgCfgUnpackMsCacheFile(PRTDBGCFGINT pThis, char pszPath, const char pszFilename)
624	{
625	rtDbgCfgLog2(pThis, "Unpacking '%s'...\n", pszPath);
626
627	/*
628	* Duplicate the source file path, just for simplicity and restore the
629	* final character in the orignal. We cheerfully ignorining any
630	* possibility of multibyte UTF-8 sequences just like the caller did when
631	* setting it to '_'.
632	*/
633	char *pszSrcArchive = RTStrDup(pszPath);
634	if (!pszSrcArchive)
635	return VERR_NO_STR_MEMORY;
636
637	pszPath[strlen(pszPath) - 1] = RT_C_TO_LOWER(pszFilename[strlen(pszFilename) - 1]);
638
639
640	/*
641	* Figuring out the argument list for the platform specific unpack util.
642	*/
643	#ifdef RT_OS_WINDOWS
644	RTPathChangeToDosSlashes(pszSrcArchive, false /fForce/);
645	RTPathChangeToDosSlashes(pszPath, false /fForce/);
646	const char *papszArgs[] =
647	{
648	"expand.exe",
649	pszSrcArchive,
650	pszPath,
651	NULL
652	};
653
654	#else
655	char szExtractDir[RTPATH_MAX];
656	strcpy(szExtractDir, pszPath);
657	RTPathStripFilename(szExtractDir);
658
659	const char *papszArgs[] =
660	{
661	"cabextract",
662	"-L", /* Lower case extracted files. */
663	"-d", szExtractDir, /* Extraction path */
664	pszSrcArchive,
665	NULL
666	};
667	#endif
668
669	/*
670	* Do the unpacking.
671	*/
672	RTPROCESS hChild;
673	int rc = RTProcCreate(papszArgs[0], papszArgs, RTENV_DEFAULT,
674	#if defined(RT_OS_WINDOWS) \|\| defined(RT_OS_OS2)
675	RTPROC_FLAGS_NO_WINDOW \| RTPROC_FLAGS_HIDDEN \| RTPROC_FLAGS_SEARCH_PATH,
676	#else
677	RTPROC_FLAGS_SEARCH_PATH,
678	#endif
679	&hChild);
680	if (RT_SUCCESS(rc))
681	{
682	RTPROCSTATUS ProcStatus;
683	rc = RTProcWait(hChild, RTPROCWAIT_FLAGS_BLOCK, &ProcStatus);
684	if (RT_SUCCESS(rc))
685	{
686	if ( ProcStatus.enmReason == RTPROCEXITREASON_NORMAL
687	&& ProcStatus.iStatus == 0)
688	{
689	if (RTPathExists(pszPath))
690	{
691	rtDbgCfgLog1(pThis, "Successfully unpacked '%s' to '%s'.\n", pszSrcArchive, pszPath);
692	rc = VINF_SUCCESS;
693	}
694	else
695	{
696	rtDbgCfgLog1(pThis, "Successfully ran unpacker on '%s', but '%s' is missing!\n", pszSrcArchive, pszPath);
697	rc = VERR_ZIP_ERROR;
698	}
699	}
700	else
701	{
702	rtDbgCfgLog2(pThis, "Unpacking '%s' failed: iStatus=%d enmReason=%d\n",
703	pszSrcArchive, ProcStatus.iStatus, ProcStatus.enmReason);
704	rc = VERR_ZIP_CORRUPTED;
705	}
706	}
707	else
708	rtDbgCfgLog1(pThis, "Error waiting for process: %Rrc\n", rc);
709
710	}
711	else
712	rtDbgCfgLog1(pThis, "Error starting unpack process '%s': %Rrc\n", papszArgs[0], rc);
713
714	return rc;
715	}
716
717
718	static int rtDbgCfgTryDownloadAndOpen(PRTDBGCFGINT pThis, const char pszServer, char pszPath,
719	const char pszCacheSubDir, const char pszUuidMappingSubDir,
720	PRTPATHSPLIT pSplitFn, const char *pszCacheSuffix, uint32_t fFlags,
721	PFNRTDBGCFGOPEN pfnCallback, void pvUser1, void pvUser2)
722	{
723	RT_NOREF_PV(pszUuidMappingSubDir); /** @todo do we bother trying pszUuidMappingSubDir? */
724	RT_NOREF_PV(pszCacheSuffix); /** @todo do we bother trying pszUuidMappingSubDir? */
725	RT_NOREF_PV(fFlags);
726
727	if (pThis->fFlags & RTDBGCFG_FLAGS_NO_SYM_SRV)
728	return VWRN_NOT_FOUND;
729	if (!pszCacheSubDir \|\| !*pszCacheSubDir)
730	return VWRN_NOT_FOUND;
731	if ( !(fFlags & RTDBGCFG_O_SYMSRV)
732	&& !(fFlags & RTDBGCFG_O_DEBUGINFOD))
733	return VWRN_NOT_FOUND;
734
735	/*
736	* Create the path.
737	*/
738	size_t cchTmp = strlen(pszPath);
739
740	int rc = RTDirCreateFullPath(pszPath, 0766);
741	if (!RTDirExists(pszPath))
742	{
743	Log(("Error creating cache dir '%s': %Rrc\n", pszPath, rc));
744	return rc;
745	}
746
747	const char *pszFilename = pSplitFn->apszComps[pSplitFn->cComps - 1];
748	rc = RTPathAppend(pszPath, RTPATH_MAX, pszFilename);
749	if (RT_FAILURE(rc))
750	return rc;
751	RTStrToLower(&pszPath[cchTmp]);
752	if (!RTDirExists(pszPath))
753	{
754	rc = RTDirCreate(pszPath, 0766, 0);
755	if (RT_FAILURE(rc))
756	{
757	Log(("RTDirCreate(%s) -> %Rrc\n", pszPath, rc));
758	}
759	}
760
761	rc = RTPathAppend(pszPath, RTPATH_MAX, pszCacheSubDir);
762	if (RT_FAILURE(rc))
763	return rc;
764	if (!RTDirExists(pszPath))
765	{
766	rc = RTDirCreate(pszPath, 0766, 0);
767	if (RT_FAILURE(rc))
768	{
769	Log(("RTDirCreate(%s) -> %Rrc\n", pszPath, rc));
770	}
771	}
772
773	/* Prepare the destination file name while we're here. */
774	cchTmp = strlen(pszPath);
775	RTStrToLower(&pszPath[cchTmp]);
776	rc = RTPathAppend(pszPath, RTPATH_MAX, pszFilename);
777	if (RT_FAILURE(rc))
778	return rc;
779
780	/*
781	* Download/copy the file.
782	*/
783	char szUrl[_2K];
784	/* Download URL? */
785	if ( RTStrIStartsWith(pszServer, "http://")
786	\|\| RTStrIStartsWith(pszServer, "https://")
787	\|\| RTStrIStartsWith(pszServer, "ftp://") )
788	{
789	#ifdef IPRT_WITH_HTTP
790	RTHTTP hHttp;
791	rc = RTHttpCreate(&hHttp);
792	if (RT_SUCCESS(rc))
793	{
794	RTHttpUseSystemProxySettings(hHttp);
795	RTHttpSetFollowRedirects(hHttp, 8);
796
797	static const char * const s_apszHeadersMsSymSrv[] =
798	{
799	"User-Agent: Microsoft-Symbol-Server/6.6.0999.9",
800	"Pragma: no-cache",
801	};
802
803	static const char * const s_apszHeadersDebuginfod[] =
804	{
805	"User-Agent: IPRT DbgCfg 1.0",
806	"Pragma: no-cache",
807	};
808
809	if (fFlags & RTDBGCFG_O_SYMSRV)
810	rc = RTHttpSetHeaders(hHttp, RT_ELEMENTS(s_apszHeadersMsSymSrv), s_apszHeadersMsSymSrv);
811	else /* Must be debuginfod. */
812	rc = RTHttpSetHeaders(hHttp, RT_ELEMENTS(s_apszHeadersDebuginfod), s_apszHeadersDebuginfod);
813	if (RT_SUCCESS(rc))
814	{
815	if (fFlags & RTDBGCFG_O_SYMSRV)
816	RTStrPrintf(szUrl, sizeof(szUrl), "%s/%s/%s/%s", pszServer, pszFilename, pszCacheSubDir, pszFilename);
817	else
818	RTStrPrintf(szUrl, sizeof(szUrl), "%s/buildid/%s/debuginfo", pszServer, pszCacheSubDir);
819
820	/** @todo Use some temporary file name and rename it after the operation
821	* since not all systems support read-deny file sharing
822	* settings. */
823	rtDbgCfgLog2(pThis, "Downloading '%s' to '%s'...\n", szUrl, pszPath);
824	rc = RTHttpGetFile(hHttp, szUrl, pszPath);
825	if (RT_FAILURE(rc))
826	{
827	RTFileDelete(pszPath);
828	rtDbgCfgLog1(pThis, "%Rrc on URL '%s'\n", rc, szUrl);
829	}
830	if ( rc == VERR_HTTP_NOT_FOUND
831	&& (fFlags & RTDBGCFG_O_SYMSRV))
832	{
833	/* Try the compressed version of the file. */
834	pszPath[strlen(pszPath) - 1] = '_';
835	szUrl[strlen(szUrl) - 1] = '_';
836	rtDbgCfgLog2(pThis, "Downloading '%s' to '%s'...\n", szUrl, pszPath);
837	rc = RTHttpGetFile(hHttp, szUrl, pszPath);
838	if (RT_SUCCESS(rc))
839	rc = rtDbgCfgUnpackMsCacheFile(pThis, pszPath, pszFilename);
840	else
841	{
842	rtDbgCfgLog1(pThis, "%Rrc on URL '%s'\n", rc, pszPath);
843	RTFileDelete(pszPath);
844	}
845	}
846	}
847
848	RTHttpDestroy(hHttp);
849	}
850	#else
851	rc = VWRN_NOT_FOUND;
852	#endif
853	}
854	/* No download, assume dir on server share. */
855	else
856	{
857	if (RTStrIStartsWith(pszServer, "file:///"))
858	pszServer += 4 + 1 + 3 - 1;
859
860	/* Compose the path to the uncompressed file on the server. */
861	rc = RTPathJoin(szUrl, sizeof(szUrl), pszServer, pszFilename);
862	if (RT_SUCCESS(rc))
863	rc = RTPathAppend(szUrl, sizeof(szUrl), pszCacheSubDir);
864	if (RT_SUCCESS(rc))
865	rc = RTPathAppend(szUrl, sizeof(szUrl), pszFilename);
866	if (RT_SUCCESS(rc))
867	{
868	rtDbgCfgLog2(pThis, "Copying '%s' to '%s'...\n", szUrl, pszPath);
869	rc = RTFileCopy(szUrl, pszPath);
870	if (RT_FAILURE(rc))
871	{
872	RTFileDelete(pszPath);
873	rtDbgCfgLog1(pThis, "%Rrc on '%s'\n", rc, szUrl);
874
875	/* Try the compressed version. */
876	pszPath[strlen(pszPath) - 1] = '_';
877	szUrl[strlen(szUrl) - 1] = '_';
878	rtDbgCfgLog2(pThis, "Copying '%s' to '%s'...\n", szUrl, pszPath);
879	rc = RTFileCopy(szUrl, pszPath);
880	if (RT_SUCCESS(rc))
881	rc = rtDbgCfgUnpackMsCacheFile(pThis, pszPath, pszFilename);
882	else
883	{
884	rtDbgCfgLog1(pThis, "%Rrc on '%s'\n", rc, pszPath);
885	RTFileDelete(pszPath);
886	}
887	}
888	}
889	}
890	if (RT_SUCCESS(rc))
891	{
892	/*
893	* Succeeded in downloading it. Add UUID mapping?
894	*/
895	if (pszUuidMappingSubDir)
896	{
897	/** @todo UUID mapping when downloading. */
898	}
899
900	/*
901	* Give the file a try.
902	*/
903	Assert(RTFileExists(pszPath));
904	rtDbgCfgLog1(pThis, "Trying '%s'...\n", pszPath);
905	rc = pfnCallback(pThis, pszPath, pvUser1, pvUser2);
906	if (rc == VINF_CALLBACK_RETURN)
907	rtDbgCfgLog1(pThis, "Found '%s'.\n", pszPath);
908	else if (rc == VERR_CALLBACK_RETURN)
909	rtDbgCfgLog1(pThis, "Error opening '%s'.\n", pszPath);
910	else
911	rtDbgCfgLog1(pThis, "Error %Rrc opening '%s'.\n", rc, pszPath);
912	}
913
914	return rc;
915	}
916
917
918	static int rtDbgCfgCopyFileToCache(PRTDBGCFGINT pThis, char const pszSrc, const char pchCache, size_t cchCache,
919	const char pszCacheSubDir, const char pszUuidMappingSubDir, PRTPATHSPLIT pSplitFn)
920	{
921	RT_NOREF_PV(pThis); RT_NOREF_PV(pszSrc); RT_NOREF_PV(pchCache); RT_NOREF_PV(cchCache);
922	RT_NOREF_PV(pszUuidMappingSubDir); RT_NOREF_PV(pSplitFn);
923
924	if (!pszCacheSubDir \|\| !*pszCacheSubDir)
925	return VINF_SUCCESS;
926
927	/** @todo copy to cache */
928	return VINF_SUCCESS;
929	}
930
931
932	static int rtDbgCfgTryOpenCache(PRTDBGCFGINT pThis, char *pszPath, size_t cchCachePath,
933	const char pszCacheSubDir, const char pszUuidMappingSubDir,
934	PCRTPATHSPLIT pSplitFn, const char *pszCacheSuffix, uint32_t fFlags,
935	PFNRTDBGCFGOPEN pfnCallback, void pvUser1, void pvUser2)
936	{
937	Assert(pszPath[cchCachePath] == '\0');
938
939	/*
940	* If the cache doesn't exist, fail right away.
941	*/
942	if (!pszCacheSubDir \|\| !*pszCacheSubDir)
943	return VWRN_NOT_FOUND;
944	if (!RTDirExists(pszPath))
945	{
946	rtDbgCfgLog2(pThis, "Cache does not exist: '%s'\n", pszPath);
947	return VWRN_NOT_FOUND;
948	}
949
950	/*
951	* If we got a UUID mapping option, try it first as we can hopefully
952	* dispense with case folding.
953	*/
954	if (pszUuidMappingSubDir)
955	{
956	int rc = RTPathAppend(pszPath, RTPATH_MAX, pszUuidMappingSubDir);
957	if ( RT_SUCCESS(rc)
958	&& RTFileExists(pszPath))
959	{
960	/* Try resolve the path before presenting it to the client, a
961	12 digit filename is of little worth. */
962	char szBackup[RTPATH_MAX];
963	strcpy(szBackup, pszPath);
964	rc = RTPathAbs(szBackup, pszPath, RTPATH_MAX);
965	if (RT_FAILURE(rc))
966	strcpy(pszPath, szBackup);
967
968	/* Do the callback thing. */
969	rtDbgCfgLog1(pThis, "Trying '%s'...\n", pszPath);
970	int rc2 = pfnCallback(pThis, pszPath, pvUser1, pvUser2);
971	if (rc2 == VINF_CALLBACK_RETURN)
972	rtDbgCfgLog1(pThis, "Found '%s' via uuid mapping.\n", pszPath);
973	else if (rc2 == VERR_CALLBACK_RETURN)
974	rtDbgCfgLog1(pThis, "Error opening '%s'.\n", pszPath);
975	else
976	rtDbgCfgLog1(pThis, "Error %Rrc opening '%s'.\n", rc2, pszPath);
977	if (rc2 == VINF_CALLBACK_RETURN \|\| rc2 == VERR_CALLBACK_RETURN)
978	return rc2;
979
980	/* Failed, restore the cache path. */
981	memcpy(pszPath, szBackup, cchCachePath);
982	}
983	pszPath[cchCachePath] = '\0';
984	}
985
986	/*
987	* Carefully construct the cache path with case insensitivity in mind.
988	*/
989	bool const fCaseInsensitive = (fFlags & RTDBGCFG_O_CASE_INSENSITIVE)
990	&& !rtDbgCfgIsFsCaseInsensitive(pszPath);
991	const char *pszFilename = pSplitFn->apszComps[pSplitFn->cComps - 1];
992
993	if (!rtDbgCfgIsDirAndFixCase(pszPath, pszFilename, fCaseInsensitive))
994	return VWRN_NOT_FOUND;
995
996	if (!rtDbgCfgIsDirAndFixCase(pszPath, pszCacheSubDir, fCaseInsensitive))
997	return VWRN_NOT_FOUND;
998
999	bool fProbablyCompressed = false;
1000	if (!rtDbgCfgIsFileAndFixCase(pszPath, pszFilename, pszCacheSuffix, fCaseInsensitive,
1001	RT_BOOL(fFlags & RTDBGCFG_O_MAYBE_COMPRESSED_MS), &fProbablyCompressed))
1002	return VWRN_NOT_FOUND;
1003	if (fProbablyCompressed)
1004	{
1005	int rc = rtDbgCfgUnpackMsCacheFile(pThis, pszPath, pszFilename);
1006	if (RT_FAILURE(rc))
1007	return VWRN_NOT_FOUND;
1008	}
1009
1010	rtDbgCfgLog1(pThis, "Trying '%s'...\n", pszPath);
1011	int rc2 = pfnCallback(pThis, pszPath, pvUser1, pvUser2);
1012	if (rc2 == VINF_CALLBACK_RETURN)
1013	rtDbgCfgLog1(pThis, "Found '%s'.\n", pszPath);
1014	else if (rc2 == VERR_CALLBACK_RETURN)
1015	rtDbgCfgLog1(pThis, "Error opening '%s'.\n", pszPath);
1016	else
1017	rtDbgCfgLog1(pThis, "Error %Rrc opening '%s'.\n", rc2, pszPath);
1018	return rc2;
1019	}
1020
1021
1022	static int rtDbgCfgTryOpenList(PRTDBGCFGINT pThis, PRTLISTANCHOR pList, PRTPATHSPLIT pSplitFn, const char *pszCacheSubDir,
1023	const char pszUuidMappingSubDir, uint32_t fFlags, char pszPath,
1024	PFNRTDBGCFGOPEN pfnCallback, void pvUser1, void pvUser2)
1025	{
1026	int rcRet = VWRN_NOT_FOUND;
1027	int rc2 = VINF_SUCCESS;
1028
1029	const char *pchCache = NULL;
1030	size_t cchCache = 0;
1031	int rcCache = VWRN_NOT_FOUND;
1032
1033	PRTDBGCFGSTR pCur;
1034	RTListForEach(pList, pCur, RTDBGCFGSTR, ListEntry)
1035	{
1036	size_t cchDir = pCur->cch;
1037	const char *pszDir = pCur->sz;
1038	rtDbgCfgLog2(pThis, "Path list entry: '%s'\n", pszDir);
1039
1040	/* This is very simplistic, but we have a unreasonably large path
1041	buffer, so it'll work just fine and simplify things greatly below. */
1042	if (cchDir >= RTPATH_MAX - 8U)
1043	{
1044	if (RT_SUCCESS_NP(rcRet))
1045	rcRet = VERR_FILENAME_TOO_LONG;
1046	continue;
1047	}
1048
1049	/*
1050	* Process the path according to it's type.
1051	*/
1052	if (!RTStrNICmp(pszDir, RT_STR_TUPLE("srv*")))
1053	{
1054	/*
1055	* Symbol server.
1056	*/
1057	pszDir += sizeof("srv*") - 1;
1058	cchDir -= sizeof("srv*") - 1;
1059	bool fSearchCache = false;
1060	const char pszServer = (const char )memchr(pszDir, '*', cchDir);
1061	if (!pszServer)
1062	pszServer = pszDir;
1063	else if (pszServer == pszDir)
1064	continue;
1065	else
1066	{
1067	fSearchCache = true;
1068	pchCache = pszDir;
1069	cchCache = pszServer - pszDir;
1070	pszServer++;
1071	}
1072
1073	/* We don't have any default cache directory, so skip if the cache is missing. */
1074	if (cchCache == 0)
1075	continue;
1076
1077	/* Search the cache first (if we haven't already done so). */
1078	if (fSearchCache)
1079	{
1080	memcpy(pszPath, pchCache, cchCache);
1081	pszPath[cchCache] = '\0';
1082	RTPathChangeToUnixSlashes(pszPath, false);
1083
1084	rcCache = rc2 = rtDbgCfgTryOpenCache(pThis, pszPath, cchCache, pszCacheSubDir, pszUuidMappingSubDir,
1085	pSplitFn, NULL /pszCacheSuffix/, fFlags, pfnCallback, pvUser1, pvUser2);
1086	if (rc2 == VINF_CALLBACK_RETURN \|\| rc2 == VERR_CALLBACK_RETURN)
1087	return rc2;
1088	}
1089
1090	/* Try downloading the file. */
1091	if (rcCache == VWRN_NOT_FOUND)
1092	{
1093	memcpy(pszPath, pchCache, cchCache);
1094	pszPath[cchCache] = '\0';
1095	RTPathChangeToUnixSlashes(pszPath, false);
1096
1097	rc2 = rtDbgCfgTryDownloadAndOpen(pThis, pszServer, pszPath, pszCacheSubDir, pszUuidMappingSubDir,
1098	pSplitFn, NULL /pszCacheSuffix/, fFlags, pfnCallback, pvUser1, pvUser2);
1099	if (rc2 == VINF_CALLBACK_RETURN \|\| rc2 == VERR_CALLBACK_RETURN)
1100	return rc2;
1101	}
1102	}
1103	else if (!RTStrNICmp(pszDir, RT_STR_TUPLE("cache*")))
1104	{
1105	/*
1106	* Cache directory.
1107	*/
1108	pszDir += sizeof("cache*") - 1;
1109	cchDir -= sizeof("cache*") - 1;
1110	if (!cchDir)
1111	continue;
1112	pchCache = pszDir;
1113	cchCache = cchDir;
1114
1115	memcpy(pszPath, pchCache, cchCache);
1116	pszPath[cchCache] = '\0';
1117	RTPathChangeToUnixSlashes(pszPath, false);
1118
1119	rcCache = rc2 = rtDbgCfgTryOpenCache(pThis, pszPath, cchCache, pszCacheSubDir, pszUuidMappingSubDir,
1120	pSplitFn, NULL /pszCacheSuffix/, fFlags, pfnCallback, pvUser1, pvUser2);
1121	if (rc2 == VINF_CALLBACK_RETURN \|\| rc2 == VERR_CALLBACK_RETURN)
1122	return rc2;
1123	}
1124	else
1125	{
1126	/*
1127	* Normal directory. Check for our own 'rec' and 'norec' prefix
1128	* flags governing recursive searching.
1129	*/
1130	uint32_t fFlagsDir = fFlags;
1131	if (!RTStrNICmp(pszDir, RT_STR_TUPLE("rec*")))
1132	{
1133	pszDir += sizeof("rec*") - 1;
1134	cchDir -= sizeof("rec*") - 1;
1135	fFlagsDir \|= RTDBGCFG_O_RECURSIVE;
1136	}
1137	else if (!RTStrNICmp(pszDir, RT_STR_TUPLE("norec*")))
1138	{
1139	pszDir += sizeof("norec*") - 1;
1140	cchDir -= sizeof("norec*") - 1;
1141	fFlagsDir &= ~RTDBGCFG_O_RECURSIVE;
1142	}
1143
1144	/* Copy the path into the buffer and do the searching. */
1145	memcpy(pszPath, pszDir, cchDir);
1146	pszPath[cchDir] = '\0';
1147	RTPathChangeToUnixSlashes(pszPath, false);
1148
1149	rc2 = rtDbgCfgTryOpenDir(pThis, pszPath, pSplitFn, fFlagsDir, pfnCallback, pvUser1, pvUser2);
1150	if (rc2 == VINF_CALLBACK_RETURN \|\| rc2 == VERR_CALLBACK_RETURN)
1151	{
1152	if ( rc2 == VINF_CALLBACK_RETURN
1153	&& cchCache > 0)
1154	rtDbgCfgCopyFileToCache(pThis, pszPath, pchCache, cchCache,
1155	pszCacheSubDir, pszUuidMappingSubDir, pSplitFn);
1156	return rc2;
1157	}
1158	}
1159
1160	/* Propagate errors. */
1161	if (RT_FAILURE(rc2) && RT_SUCCESS_NP(rcRet))
1162	rcRet = rc2;
1163	}
1164
1165	return rcRet;
1166	}
1167
1168
1169	/**
1170	* Common worker routine for Image and debug info opening.
1171	*
1172	* This will not search using for suffixes.
1173	*
1174	* @returns IPRT status code.
1175	* @param hDbgCfg The debugging configuration handle.
1176	* NIL_RTDBGCFG is accepted, but the result is
1177	* that no paths will be searched beyond the
1178	* given and the current directory.
1179	* @param pszFilename The filename to search for. This may or may
1180	* not include a full or partial path.
1181	* @param pszCacheSubDir The cache subdirectory to look in.
1182	* @param pszUuidMappingSubDir UUID mapping subdirectory to check, NULL if
1183	* no mapping wanted.
1184	* @param fFlags Flags and hints.
1185	* @param pfnCallback The open callback routine.
1186	* @param pvUser1 User parameter 1.
1187	* @param pvUser2 User parameter 2.
1188	*/
1189	static int rtDbgCfgOpenWithSubDir(RTDBGCFG hDbgCfg, const char pszFilename, const char pszCacheSubDir,
1190	const char *pszUuidMappingSubDir, uint32_t fFlags,
1191	PFNRTDBGCFGOPEN pfnCallback, void pvUser1, void pvUser2)
1192	{
1193	int rcRet = VINF_SUCCESS;
1194	int rc2;
1195
1196	/*
1197	* Do a little validating first.
1198	*/
1199	PRTDBGCFGINT pThis = hDbgCfg;
1200	if (pThis != NIL_RTDBGCFG)
1201	RTDBGCFG_VALID_RETURN_RC(pThis, VERR_INVALID_HANDLE);
1202	else
1203	pThis = NULL;
1204	AssertPtrReturn(pszFilename, VERR_INVALID_POINTER);
1205	AssertPtrReturn(pszCacheSubDir, VERR_INVALID_POINTER);
1206	AssertPtrReturn(pfnCallback, VERR_INVALID_POINTER);
1207	AssertReturn(!(fFlags & ~RTDBGCFG_O_VALID_MASK), VERR_INVALID_FLAGS);
1208
1209	/*
1210	* Do some guessing as to the way we should parse the filename and whether
1211	* it's case exact or not.
1212	*/
1213	bool fDosPath = RT_OPSYS_USES_DOS_PATHS(fFlags & RTDBGCFG_O_OPSYS_MASK)
1214	\|\| (fFlags & RTDBGCFG_O_CASE_INSENSITIVE)
1215	\|\| strchr(pszFilename, ':') != NULL
1216	\|\| strchr(pszFilename, '\\') != NULL;
1217	if (fDosPath)
1218	fFlags \|= RTDBGCFG_O_CASE_INSENSITIVE;
1219
1220	rtDbgCfgLog2(pThis, "Looking for '%s' w/ cache subdir '%s' and %#x flags...\n", pszFilename, pszCacheSubDir, fFlags);
1221
1222	PRTPATHSPLIT pSplitFn;
1223	rc2 = RTPathSplitA(pszFilename, &pSplitFn, fDosPath ? RTPATH_STR_F_STYLE_DOS : RTPATH_STR_F_STYLE_UNIX);
1224	if (RT_FAILURE(rc2))
1225	return rc2;
1226	AssertReturnStmt(pSplitFn->fProps & RTPATH_PROP_FILENAME, RTPathSplitFree(pSplitFn), VERR_IS_A_DIRECTORY);
1227
1228	/*
1229	* Try the stored file name first if it has a kind of absolute path.
1230	*/
1231	char szPath[RTPATH_MAX];
1232	if (RTPATH_PROP_HAS_ROOT_SPEC(pSplitFn->fProps))
1233	{
1234	rc2 = RTPathSplitReassemble(pSplitFn, RTPATH_STR_F_STYLE_HOST, szPath, sizeof(szPath));
1235	if (RT_SUCCESS(rc2) && RTFileExists(szPath))
1236	{
1237	RTPathChangeToUnixSlashes(szPath, false);
1238	rtDbgCfgLog1(pThis, "Trying '%s'...\n", szPath);
1239	rc2 = pfnCallback(pThis, szPath, pvUser1, pvUser2);
1240	if (rc2 == VINF_CALLBACK_RETURN)
1241	rtDbgCfgLog1(pThis, "Found '%s'.\n", szPath);
1242	else if (rc2 == VERR_CALLBACK_RETURN)
1243	rtDbgCfgLog1(pThis, "Error opening '%s'.\n", szPath);
1244	else
1245	rtDbgCfgLog1(pThis, "Error %Rrc opening '%s'.\n", rc2, szPath);
1246	}
1247	}
1248	if ( rc2 != VINF_CALLBACK_RETURN
1249	&& rc2 != VERR_CALLBACK_RETURN)
1250	{
1251	/*
1252	* Try the current directory (will take cover relative paths
1253	* skipped above).
1254	*/
1255	rc2 = RTPathGetCurrent(szPath, sizeof(szPath));
1256	if (RT_FAILURE(rc2))
1257	strcpy(szPath, ".");
1258	RTPathChangeToUnixSlashes(szPath, false);
1259
1260	rc2 = rtDbgCfgTryOpenDir(pThis, szPath, pSplitFn, fFlags, pfnCallback, pvUser1, pvUser2);
1261	if (RT_FAILURE(rc2) && RT_SUCCESS_NP(rcRet))
1262	rcRet = rc2;
1263
1264	if ( rc2 != VINF_CALLBACK_RETURN
1265	&& rc2 != VERR_CALLBACK_RETURN
1266	&& pThis)
1267	{
1268	rc2 = RTCritSectRwEnterShared(&pThis->CritSect);
1269	if (RT_SUCCESS(rc2))
1270	{
1271	/*
1272	* Run the applicable lists.
1273	*/
1274	rc2 = rtDbgCfgTryOpenList(pThis, &pThis->PathList, pSplitFn, pszCacheSubDir,
1275	pszUuidMappingSubDir, fFlags, szPath, pfnCallback, pvUser1, pvUser2);
1276	if (RT_FAILURE(rc2) && RT_SUCCESS_NP(rcRet))
1277	rcRet = rc2;
1278
1279	#ifdef RT_OS_WINDOWS
1280	if ( rc2 != VINF_CALLBACK_RETURN
1281	&& rc2 != VERR_CALLBACK_RETURN
1282	&& (fFlags & RTDBGCFG_O_EXECUTABLE_IMAGE)
1283	&& !(fFlags & RTDBGCFG_O_NO_SYSTEM_PATHS)
1284	&& !(pThis->fFlags & RTDBGCFG_FLAGS_NO_SYSTEM_PATHS) )
1285	{
1286	rc2 = rtDbgCfgTryOpenList(pThis, &pThis->NtExecutablePathList, pSplitFn, pszCacheSubDir,
1287	pszUuidMappingSubDir, fFlags, szPath, pfnCallback, pvUser1, pvUser2);
1288	if (RT_FAILURE(rc2) && RT_SUCCESS_NP(rcRet))
1289	rcRet = rc2;
1290	}
1291
1292	if ( rc2 != VINF_CALLBACK_RETURN
1293	&& rc2 != VERR_CALLBACK_RETURN
1294	&& !(fFlags & RTDBGCFG_O_NO_SYSTEM_PATHS)
1295	&& !(pThis->fFlags & RTDBGCFG_FLAGS_NO_SYSTEM_PATHS) )
1296	{
1297	rc2 = rtDbgCfgTryOpenList(pThis, &pThis->NtSymbolPathList, pSplitFn, pszCacheSubDir,
1298	pszUuidMappingSubDir, fFlags, szPath, pfnCallback, pvUser1, pvUser2);
1299	if (RT_FAILURE(rc2) && RT_SUCCESS_NP(rcRet))
1300	rcRet = rc2;
1301	}
1302	#endif
1303	RTCritSectRwLeaveShared(&pThis->CritSect);
1304	}
1305	else if (RT_SUCCESS(rcRet))
1306	rcRet = rc2;
1307	}
1308	}
1309
1310	RTPathSplitFree(pSplitFn);
1311	if ( rc2 == VINF_CALLBACK_RETURN
1312	\|\| rc2 == VERR_CALLBACK_RETURN)
1313	rcRet = rc2;
1314	else if (RT_SUCCESS(rcRet))
1315	rcRet = VERR_NOT_FOUND;
1316	return rcRet;
1317	}
1318
1319
1320	RTDECL(int) RTDbgCfgOpenEx(RTDBGCFG hDbgCfg, const char pszFilename, const char pszCacheSubDir,
1321	const char *pszUuidMappingSubDir, uint32_t fFlags,
1322	PFNRTDBGCFGOPEN pfnCallback, void pvUser1, void pvUser2)
1323	{
1324	return rtDbgCfgOpenWithSubDir(hDbgCfg, pszFilename, pszCacheSubDir, pszUuidMappingSubDir, fFlags,
1325	pfnCallback, pvUser1, pvUser2);
1326	}
1327
1328
1329
1330
1331	RTDECL(int) RTDbgCfgOpenPeImage(RTDBGCFG hDbgCfg, const char *pszFilename, uint32_t cbImage, uint32_t uTimestamp,
1332	PFNRTDBGCFGOPEN pfnCallback, void pvUser1, void pvUser2)
1333	{
1334	char szSubDir[32];
1335	RTStrPrintf(szSubDir, sizeof(szSubDir), "%08X%x", uTimestamp, cbImage);
1336	return rtDbgCfgOpenWithSubDir(hDbgCfg, pszFilename, szSubDir, NULL,
1337	RT_OPSYS_WINDOWS /* approx */ \| RTDBGCFG_O_SYMSRV \| RTDBGCFG_O_CASE_INSENSITIVE
1338	\| RTDBGCFG_O_MAYBE_COMPRESSED_MS \| RTDBGCFG_O_EXECUTABLE_IMAGE,
1339	pfnCallback, pvUser1, pvUser2);
1340	}
1341
1342
1343	RTDECL(int) RTDbgCfgOpenPdb70(RTDBGCFG hDbgCfg, const char *pszFilename, PCRTUUID pUuid, uint32_t uAge,
1344	PFNRTDBGCFGOPEN pfnCallback, void pvUser1, void pvUser2)
1345	{
1346	char szSubDir[64];
1347	if (!pUuid)
1348	szSubDir[0] = '\0';
1349	else
1350	{
1351	/* Stringify the UUID and remove the dashes. */
1352	int rc2 = RTUuidToStr(pUuid, szSubDir, sizeof(szSubDir));
1353	AssertRCReturn(rc2, rc2);
1354
1355	char *pszSrc = szSubDir;
1356	char *pszDst = szSubDir;
1357	char ch;
1358	while ((ch = *pszSrc++))
1359	if (ch != '-')
1360	*pszDst++ = RT_C_TO_UPPER(ch);
1361
1362	RTStrPrintf(pszDst, &szSubDir[sizeof(szSubDir)] - pszDst, "%X", uAge);
1363	}
1364
1365	return rtDbgCfgOpenWithSubDir(hDbgCfg, pszFilename, szSubDir, NULL,
1366	RT_OPSYS_WINDOWS /* approx */ \| RTDBGCFG_O_SYMSRV \| RTDBGCFG_O_CASE_INSENSITIVE
1367	\| RTDBGCFG_O_MAYBE_COMPRESSED_MS \| RTDBGCFG_O_EXT_DEBUG_FILE,
1368	pfnCallback, pvUser1, pvUser2);
1369	}
1370
1371
1372	RTDECL(int) RTDbgCfgOpenPdb20(RTDBGCFG hDbgCfg, const char *pszFilename, uint32_t cbImage, uint32_t uTimestamp, uint32_t uAge,
1373	PFNRTDBGCFGOPEN pfnCallback, void pvUser1, void pvUser2)
1374	{
1375	RT_NOREF_PV(cbImage);
1376	/** @todo test this! */
1377	char szSubDir[32];
1378	RTStrPrintf(szSubDir, sizeof(szSubDir), "%08X%x", uTimestamp, uAge);
1379	return rtDbgCfgOpenWithSubDir(hDbgCfg, pszFilename, szSubDir, NULL,
1380	RT_OPSYS_WINDOWS /* approx */ \| RTDBGCFG_O_SYMSRV \| RTDBGCFG_O_CASE_INSENSITIVE
1381	\| RTDBGCFG_O_MAYBE_COMPRESSED_MS \| RTDBGCFG_O_EXT_DEBUG_FILE,
1382	pfnCallback, pvUser1, pvUser2);
1383	}
1384
1385
1386	RTDECL(int) RTDbgCfgOpenDbg(RTDBGCFG hDbgCfg, const char *pszFilename, uint32_t cbImage, uint32_t uTimestamp,
1387	PFNRTDBGCFGOPEN pfnCallback, void pvUser1, void pvUser2)
1388	{
1389	char szSubDir[32];
1390	RTStrPrintf(szSubDir, sizeof(szSubDir), "%08X%x", uTimestamp, cbImage);
1391	return rtDbgCfgOpenWithSubDir(hDbgCfg, pszFilename, szSubDir, NULL,
1392	RT_OPSYS_WINDOWS /* approx */ \| RTDBGCFG_O_SYMSRV \| RTDBGCFG_O_CASE_INSENSITIVE
1393	\| RTDBGCFG_O_MAYBE_COMPRESSED_MS \| RTDBGCFG_O_EXT_DEBUG_FILE,
1394	pfnCallback, pvUser1, pvUser2);
1395	}
1396
1397
1398	RTDECL(int) RTDbgCfgOpenDwo(RTDBGCFG hDbgCfg, const char *pszFilename, uint32_t uCrc32,
1399	PFNRTDBGCFGOPEN pfnCallback, void pvUser1, void pvUser2)
1400	{
1401	char szSubDir[32];
1402	RTStrPrintf(szSubDir, sizeof(szSubDir), "%08x", uCrc32);
1403	return rtDbgCfgOpenWithSubDir(hDbgCfg, pszFilename, szSubDir, NULL,
1404	RT_OPSYS_UNKNOWN \| RTDBGCFG_O_EXT_DEBUG_FILE,
1405	pfnCallback, pvUser1, pvUser2);
1406	}
1407
1408
1409	RTDECL(int) RTDbgCfgOpenDwoBuildId(RTDBGCFG hDbgCfg, const char pszFilename, const uint8_t pbBuildId,
1410	size_t cbBuildId, PFNRTDBGCFGOPEN pfnCallback, void pvUser1, void pvUser2)
1411	{
1412	char *pszSubDir = NULL;
1413	int rc = RTStrAPrintf(&pszSubDir, "%#.*Rhxs", cbBuildId, pbBuildId);
1414	if (RT_SUCCESS(rc))
1415	{
1416	rc = rtDbgCfgOpenWithSubDir(hDbgCfg, pszFilename, pszSubDir, NULL,
1417	RTDBGCFG_O_DEBUGINFOD \| RT_OPSYS_UNKNOWN \| RTDBGCFG_O_EXT_DEBUG_FILE,
1418	pfnCallback, pvUser1, pvUser2);
1419	RTStrFree(pszSubDir);
1420	}
1421
1422	return rc;
1423	}
1424
1425
1426
1427	/*
1428	*
1429	* D a r w i n . d S Y M b u n d l e s
1430	* D a r w i n . d S Y M b u n d l e s
1431	* D a r w i n . d S Y M b u n d l e s
1432	*
1433	*/
1434
1435	/**
1436	* Very similar to rtDbgCfgTryOpenDir.
1437	*/
1438	static int rtDbgCfgTryOpenDsymBundleInDir(PRTDBGCFGINT pThis, char *pszPath, PRTPATHSPLIT pSplitFn,
1439	const char * const *papszSuffixes, uint32_t fFlags,
1440	PFNRTDBGCFGOPEN pfnCallback, void pvUser1, void pvUser2)
1441	{
1442	int rcRet = VWRN_NOT_FOUND;
1443	int rc2;
1444
1445	/* If the directory doesn't exist, just quit immediately.
1446	Note! Our case insensitivity doesn't extend to the search dirs themselfs,
1447	only to the bits under neath them. */
1448	if (!RTDirExists(pszPath))
1449	{
1450	rtDbgCfgLog2(pThis, "Dir does not exist: '%s'\n", pszPath);
1451	return rcRet;
1452	}
1453
1454	/* Figure out whether we have to do a case sensitive search or not.
1455	Note! As a simplification, we don't ask for case settings in each
1456	directory under the user specified path, we assume the file
1457	systems that mounted there have compatible settings. Faster
1458	that way. */
1459	bool const fCaseInsensitive = (fFlags & RTDBGCFG_O_CASE_INSENSITIVE)
1460	&& !rtDbgCfgIsFsCaseInsensitive(pszPath);
1461
1462	size_t const cchPath = strlen(pszPath);
1463
1464	/*
1465	* Look for the file with less and less of the original path given.
1466	* Also try out typical bundle extension variations.
1467	*/
1468	const char *pszName = pSplitFn->apszComps[pSplitFn->cComps - 1];
1469	for (unsigned i = RTPATH_PROP_HAS_ROOT_SPEC(pSplitFn->fProps); i < pSplitFn->cComps; i++)
1470	{
1471	pszPath[cchPath] = '\0';
1472
1473	rc2 = VINF_SUCCESS;
1474	for (unsigned j = i; j < pSplitFn->cComps - 1U && RT_SUCCESS(rc2); j++)
1475	if (!rtDbgCfgIsDirAndFixCase(pszPath, pSplitFn->apszComps[i], fCaseInsensitive))
1476	rc2 = VERR_FILE_NOT_FOUND;
1477	if (RT_SUCCESS(rc2))
1478	{
1479	for (uint32_t iSuffix = 0; papszSuffixes[iSuffix]; iSuffix++)
1480	{
1481	if ( !rtDbgCfgIsDirAndFixCase2(pszPath, pszName, papszSuffixes[iSuffix], fCaseInsensitive)
1482	&& !rtDbgCfgIsDirAndFixCase(pszPath, "Contents", fCaseInsensitive)
1483	&& !rtDbgCfgIsDirAndFixCase(pszPath, "Resources", fCaseInsensitive)
1484	&& !rtDbgCfgIsDirAndFixCase(pszPath, "DWARF", fCaseInsensitive))
1485	{
1486	if (rtDbgCfgIsFileAndFixCase(pszPath, pszName, NULL /pszSuffix/, fCaseInsensitive, false, NULL))
1487	{
1488	rtDbgCfgLog1(pThis, "Trying '%s'...\n", pszPath);
1489	rc2 = pfnCallback(pThis, pszPath, pvUser1, pvUser2);
1490	if (rc2 == VINF_CALLBACK_RETURN \|\| rc2 == VERR_CALLBACK_RETURN)
1491	{
1492	if (rc2 == VINF_CALLBACK_RETURN)
1493	rtDbgCfgLog1(pThis, "Found '%s'.\n", pszPath);
1494	else
1495	rtDbgCfgLog1(pThis, "Error opening '%s'.\n", pszPath);
1496	return rc2;
1497	}
1498	rtDbgCfgLog1(pThis, "Error %Rrc opening '%s'.\n", rc2, pszPath);
1499	if (RT_FAILURE(rc2) && RT_SUCCESS_NP(rcRet))
1500	rcRet = rc2;
1501	}
1502	}
1503	}
1504	}
1505	rc2 = VERR_FILE_NOT_FOUND;
1506	}
1507
1508	/*
1509	* Do a recursive search if requested.
1510	*/
1511	if ( (fFlags & RTDBGCFG_O_RECURSIVE)
1512	&& !(pThis->fFlags & RTDBGCFG_FLAGS_NO_RECURSIV_SEARCH) )
1513	{
1514	/** @todo Recursive searching will be done later. */
1515	}
1516
1517	return rcRet;
1518	}
1519
1520
1521	/**
1522	* Very similar to rtDbgCfgTryOpenList.
1523	*/
1524	static int rtDbgCfgTryOpenBundleInList(PRTDBGCFGINT pThis, PRTLISTANCHOR pList, PRTPATHSPLIT pSplitFn,
1525	const char * const papszSuffixes, const char pszCacheSubDir,
1526	const char pszCacheSuffix, const char pszUuidMappingSubDir,
1527	uint32_t fFlags, char *pszPath,
1528	PFNRTDBGCFGOPEN pfnCallback, void pvUser1, void pvUser2)
1529	{
1530	int rcRet = VWRN_NOT_FOUND;
1531	int rc2;
1532
1533	const char *pchCache = NULL;
1534	size_t cchCache = 0;
1535	int rcCache = VWRN_NOT_FOUND;
1536
1537	PRTDBGCFGSTR pCur;
1538	RTListForEach(pList, pCur, RTDBGCFGSTR, ListEntry)
1539	{
1540	size_t cchDir = pCur->cch;
1541	const char *pszDir = pCur->sz;
1542	rtDbgCfgLog2(pThis, "Path list entry: '%s'\n", pszDir);
1543
1544	/* This is very simplistic, but we have a unreasonably large path
1545	buffer, so it'll work just fine and simplify things greatly below. */
1546	if (cchDir >= RTPATH_MAX - 8U)
1547	{
1548	if (RT_SUCCESS_NP(rcRet))
1549	rcRet = VERR_FILENAME_TOO_LONG;
1550	continue;
1551	}
1552
1553	/*
1554	* Process the path according to it's type.
1555	*/
1556	rc2 = VINF_SUCCESS;
1557	if (!RTStrNICmp(pszDir, RT_STR_TUPLE("srv*")))
1558	{
1559	/*
1560	* Symbol server.
1561	*/
1562	pszDir += sizeof("srv*") - 1;
1563	cchDir -= sizeof("srv*") - 1;
1564	bool fSearchCache = false;
1565	const char pszServer = (const char )memchr(pszDir, '*', cchDir);
1566	if (!pszServer)
1567	pszServer = pszDir;
1568	else if (pszServer == pszDir)
1569	continue;
1570	else
1571	{
1572	fSearchCache = true;
1573	pchCache = pszDir;
1574	cchCache = pszServer - pszDir;
1575	pszServer++;
1576	}
1577
1578	/* We don't have any default cache directory, so skip if the cache is missing. */
1579	if (cchCache == 0)
1580	continue;
1581
1582	/* Search the cache first (if we haven't already done so). */
1583	if (fSearchCache)
1584	{
1585	memcpy(pszPath, pchCache, cchCache);
1586	pszPath[cchCache] = '\0';
1587	RTPathChangeToUnixSlashes(pszPath, false);
1588
1589	rcCache = rc2 = rtDbgCfgTryOpenCache(pThis, pszPath, cchCache, pszCacheSubDir, pszUuidMappingSubDir,
1590	pSplitFn, pszCacheSuffix, fFlags, pfnCallback, pvUser1, pvUser2);
1591	if (rc2 == VINF_CALLBACK_RETURN \|\| rc2 == VERR_CALLBACK_RETURN)
1592	return rc2;
1593	}
1594
1595	/* Try downloading the file. */
1596	if (rcCache == VWRN_NOT_FOUND)
1597	{
1598	memcpy(pszPath, pchCache, cchCache);
1599	pszPath[cchCache] = '\0';
1600	RTPathChangeToUnixSlashes(pszPath, false);
1601
1602	rc2 = rtDbgCfgTryDownloadAndOpen(pThis, pszServer, pszPath, pszCacheSubDir, pszUuidMappingSubDir,
1603	pSplitFn, pszCacheSuffix, fFlags, pfnCallback, pvUser1, pvUser2);
1604	if (rc2 == VINF_CALLBACK_RETURN \|\| rc2 == VERR_CALLBACK_RETURN)
1605	return rc2;
1606	}
1607	}
1608	else if (!RTStrNICmp(pszDir, RT_STR_TUPLE("cache*")))
1609	{
1610	/*
1611	* Cache directory.
1612	*/
1613	pszDir += sizeof("cache*") - 1;
1614	cchDir -= sizeof("cache*") - 1;
1615	if (!cchDir)
1616	continue;
1617	pchCache = pszDir;
1618	cchCache = cchDir;
1619
1620	memcpy(pszPath, pchCache, cchCache);
1621	pszPath[cchCache] = '\0';
1622	RTPathChangeToUnixSlashes(pszPath, false);
1623
1624	rcCache = rc2 = rtDbgCfgTryOpenCache(pThis, pszPath, cchCache, pszCacheSubDir, pszUuidMappingSubDir,
1625	pSplitFn, pszCacheSuffix, fFlags, pfnCallback, pvUser1, pvUser2);
1626	if (rc2 == VINF_CALLBACK_RETURN \|\| rc2 == VERR_CALLBACK_RETURN)
1627	return rc2;
1628	}
1629	else
1630	{
1631	/*
1632	* Normal directory. Check for our own 'rec' and 'norec' prefix
1633	* flags governing recursive searching.
1634	*/
1635	uint32_t fFlagsDir = fFlags;
1636	if (!RTStrNICmp(pszDir, RT_STR_TUPLE("rec*")))
1637	{
1638	pszDir += sizeof("rec*") - 1;
1639	cchDir -= sizeof("rec*") - 1;
1640	fFlagsDir \|= RTDBGCFG_O_RECURSIVE;
1641	}
1642	else if (!RTStrNICmp(pszDir, RT_STR_TUPLE("norec*")))
1643	{
1644	pszDir += sizeof("norec*") - 1;
1645	cchDir -= sizeof("norec*") - 1;
1646	fFlagsDir &= ~RTDBGCFG_O_RECURSIVE;
1647	}
1648
1649	/* Copy the path into the buffer and do the searching. */
1650	memcpy(pszPath, pszDir, cchDir);
1651	pszPath[cchDir] = '\0';
1652	RTPathChangeToUnixSlashes(pszPath, false);
1653
1654	rc2 = rtDbgCfgTryOpenDsymBundleInDir(pThis, pszPath, pSplitFn, papszSuffixes, fFlagsDir,
1655	pfnCallback, pvUser1, pvUser2);
1656	if (rc2 == VINF_CALLBACK_RETURN \|\| rc2 == VERR_CALLBACK_RETURN)
1657	{
1658	if ( rc2 == VINF_CALLBACK_RETURN
1659	&& cchCache > 0)
1660	rtDbgCfgCopyFileToCache(pThis, pszPath, pchCache, cchCache,
1661	pszCacheSubDir, pszUuidMappingSubDir, pSplitFn);
1662	return rc2;
1663	}
1664	}
1665
1666	/* Propagate errors. */
1667	if (RT_FAILURE(rc2) && RT_SUCCESS_NP(rcRet))
1668	rcRet = rc2;
1669	}
1670
1671	return rcRet;
1672	}
1673
1674
1675	/**
1676	* Creating a UUID mapping subdirectory path for use in caches.
1677	*
1678	* @returns IPRT status code.
1679	* @param pszSubDir The output buffer.
1680	* @param cbSubDir The size of the output buffer. (Top dir length +
1681	* slash + UUID string len + extra dash.)
1682	* @param pszTopDir The top level cache directory name. No slashes
1683	* or other directory separators, please.
1684	* @param pUuid The UUID.
1685	*/
1686	static int rtDbgCfgConstructUuidMappingSubDir(char pszSubDir, size_t cbSubDir, const char pszTopDir, PCRTUUID pUuid)
1687	{
1688	Assert(!strpbrk(pszTopDir, ":/\\"));
1689
1690	size_t cchTopDir = strlen(pszTopDir);
1691	if (cchTopDir + 1 + 1 + RTUUID_STR_LENGTH + 1 > cbSubDir)
1692	return VERR_BUFFER_OVERFLOW;
1693	memcpy(pszSubDir, pszTopDir, cchTopDir);
1694
1695	pszSubDir += cchTopDir;
1696	*pszSubDir++ = RTPATH_SLASH;
1697	cbSubDir -= cchTopDir + 1;
1698
1699	/* ed5a8336-35c2-4892-9122-21d5572924a3 -> ED5A/8336/35C2/4892/9122/21D5572924A3 */
1700	int rc = RTUuidToStr(pUuid, pszSubDir + 1, cbSubDir - 1); AssertRCReturn(rc, rc);
1701	RTStrToUpper(pszSubDir + 1);
1702	memmove(pszSubDir, pszSubDir + 1, 4);
1703	pszSubDir += 4;
1704	*pszSubDir = RTPATH_SLASH;
1705	pszSubDir += 5;
1706	*pszSubDir = RTPATH_SLASH;
1707	pszSubDir += 5;
1708	*pszSubDir = RTPATH_SLASH;
1709	pszSubDir += 5;
1710	*pszSubDir = RTPATH_SLASH;
1711	pszSubDir += 5;
1712	*pszSubDir = RTPATH_SLASH;
1713
1714	return VINF_SUCCESS;
1715	}
1716
1717
1718	static int rtDbgCfgOpenBundleFile(RTDBGCFG hDbgCfg, const char pszImage, const char const *papszSuffixes,
1719	const char pszBundleSubDir, PCRTUUID pUuid, const char pszUuidMapDirName,
1720	const char *pszCacheSuffix, bool fOpenImage,
1721	PFNRTDBGCFGOPEN pfnCallback, void pvUser1, void pvUser2)
1722	{
1723	/*
1724	* Bundles are directories, means we can forget about sharing code much
1725	* with the other RTDbgCfgOpenXXX methods. Thus we're duplicating a lot of
1726	* code from rtDbgCfgOpenWithSubDir with .dSYM/.kext/.dylib/.app/.* related
1727	* adjustments, so, a bug found here or there probably means the other
1728	* version needs updating.
1729	*/
1730	int rcRet = VINF_SUCCESS;
1731	int rc2;
1732
1733	/*
1734	* Do a little validating first.
1735	*/
1736	PRTDBGCFGINT pThis = hDbgCfg;
1737	if (pThis != NIL_RTDBGCFG)
1738	RTDBGCFG_VALID_RETURN_RC(pThis, VERR_INVALID_HANDLE);
1739	else
1740	pThis = NULL;
1741	AssertPtrReturn(pszImage, VERR_INVALID_POINTER);
1742	AssertPtrReturn(pfnCallback, VERR_INVALID_POINTER);
1743
1744	/*
1745	* Set up rtDbgCfgOpenWithSubDir and uuid map parameters.
1746	*/
1747	uint32_t fFlags = RTDBGCFG_O_EXT_DEBUG_FILE \| RT_OPSYS_DARWIN;
1748	const char *pszCacheSubDir = NULL;
1749	char szCacheSubDir[RTUUID_STR_LENGTH];
1750	const char *pszUuidMappingSubDir = NULL;
1751	char szUuidMappingSubDir[RTUUID_STR_LENGTH + 16];
1752	if (pUuid)
1753	{
1754	/* Since Mac debuggers uses UUID mappings, we just the slashing default
1755	UUID string representation instead of stripping dashes like for PDB. */
1756	RTUuidToStr(pUuid, szCacheSubDir, sizeof(szCacheSubDir));
1757	pszCacheSubDir = szCacheSubDir;
1758
1759	rc2 = rtDbgCfgConstructUuidMappingSubDir(szUuidMappingSubDir, sizeof(szUuidMappingSubDir), pszUuidMapDirName, pUuid);
1760	AssertRCReturn(rc2, rc2);
1761	pszUuidMappingSubDir = szUuidMappingSubDir;
1762	}
1763
1764	/*
1765	* Do some guessing as to the way we should parse the filename and whether
1766	* it's case exact or not.
1767	*/
1768	bool fDosPath = strchr(pszImage, ':') != NULL
1769	\|\| strchr(pszImage, '\\') != NULL
1770	\|\| RT_OPSYS_USES_DOS_PATHS(fFlags & RTDBGCFG_O_OPSYS_MASK)
1771	\|\| (fFlags & RTDBGCFG_O_CASE_INSENSITIVE);
1772	if (fDosPath)
1773	fFlags \|= RTDBGCFG_O_CASE_INSENSITIVE;
1774
1775	rtDbgCfgLog2(pThis, "Looking for '%s' with %#x flags...\n", pszImage, fFlags);
1776
1777	PRTPATHSPLIT pSplitFn;
1778	rc2 = RTPathSplitA(pszImage, &pSplitFn, fDosPath ? RTPATH_STR_F_STYLE_DOS : RTPATH_STR_F_STYLE_UNIX);
1779	if (RT_FAILURE(rc2))
1780	return rc2;
1781	AssertReturnStmt(pSplitFn->fProps & RTPATH_PROP_FILENAME, RTPathSplitFree(pSplitFn), VERR_IS_A_DIRECTORY);
1782
1783	/*
1784	* Try the image directory first.
1785	*/
1786	char szPath[RTPATH_MAX];
1787	if (pSplitFn->cComps > 0)
1788	{
1789	rc2 = RTPathSplitReassemble(pSplitFn, RTPATH_STR_F_STYLE_HOST, szPath, sizeof(szPath));
1790	if (fOpenImage && RT_SUCCESS(rc2))
1791	{
1792	rc2 = RTStrCat(szPath, sizeof(szPath), papszSuffixes[0]);
1793	if (RT_SUCCESS(rc2))
1794	rc2 = RTStrCat(szPath, sizeof(szPath), pszBundleSubDir);
1795	if (RT_SUCCESS(rc2))
1796	rc2 = RTPathAppend(szPath, sizeof(szPath), pSplitFn->apszComps[pSplitFn->cComps - 1]);
1797	}
1798	if (RT_SUCCESS(rc2) && RTPathExists(szPath))
1799	{
1800	RTPathChangeToUnixSlashes(szPath, false);
1801	rtDbgCfgLog1(pThis, "Trying '%s'...\n", szPath);
1802	rc2 = pfnCallback(pThis, szPath, pvUser1, pvUser2);
1803	if (rc2 == VINF_CALLBACK_RETURN)
1804	rtDbgCfgLog1(pThis, "Found '%s'.\n", szPath);
1805	else if (rc2 == VERR_CALLBACK_RETURN)
1806	rtDbgCfgLog1(pThis, "Error opening '%s'.\n", szPath);
1807	else
1808	rtDbgCfgLog1(pThis, "Error %Rrc opening '%s'.\n", rc2, szPath);
1809	}
1810	}
1811	if ( rc2 != VINF_CALLBACK_RETURN
1812	&& rc2 != VERR_CALLBACK_RETURN)
1813	{
1814	/*
1815	* Try the current directory (will take cover relative paths
1816	* skipped above).
1817	*/
1818	rc2 = RTPathGetCurrent(szPath, sizeof(szPath));
1819	if (RT_FAILURE(rc2))
1820	strcpy(szPath, ".");
1821	RTPathChangeToUnixSlashes(szPath, false);
1822
1823	rc2 = rtDbgCfgTryOpenDsymBundleInDir(pThis, szPath, pSplitFn, g_apszDSymBundleSuffixes,
1824	fFlags, pfnCallback, pvUser1, pvUser2);
1825	if (RT_FAILURE(rc2) && RT_SUCCESS_NP(rcRet))
1826	rcRet = rc2;
1827
1828	if ( rc2 != VINF_CALLBACK_RETURN
1829	&& rc2 != VERR_CALLBACK_RETURN
1830	&& pThis)
1831	{
1832	rc2 = RTCritSectRwEnterShared(&pThis->CritSect);
1833	if (RT_SUCCESS(rc2))
1834	{
1835	/*
1836	* Run the applicable lists.
1837	*/
1838	rc2 = rtDbgCfgTryOpenBundleInList(pThis, &pThis->PathList, pSplitFn, g_apszDSymBundleSuffixes,
1839	pszCacheSubDir, pszCacheSuffix,
1840	pszUuidMappingSubDir, fFlags, szPath,
1841	pfnCallback, pvUser1, pvUser2);
1842	if (RT_FAILURE(rc2) && RT_SUCCESS_NP(rcRet))
1843	rcRet = rc2;
1844
1845	RTCritSectRwLeaveShared(&pThis->CritSect);
1846	}
1847	else if (RT_SUCCESS(rcRet))
1848	rcRet = rc2;
1849	}
1850	}
1851
1852	RTPathSplitFree(pSplitFn);
1853	if ( rc2 == VINF_CALLBACK_RETURN
1854	\|\| rc2 == VERR_CALLBACK_RETURN)
1855	rcRet = rc2;
1856	else if (RT_SUCCESS(rcRet))
1857	rcRet = VERR_NOT_FOUND;
1858	return rcRet;
1859	}
1860
1861
1862	RTDECL(int) RTDbgCfgOpenDsymBundle(RTDBGCFG hDbgCfg, const char *pszImage, PCRTUUID pUuid,
1863	PFNRTDBGCFGOPEN pfnCallback, void pvUser1, void pvUser2)
1864	{
1865	return rtDbgCfgOpenBundleFile(hDbgCfg, pszImage, g_apszDSymBundleSuffixes,
1866	"Contents" RTPATH_SLASH_STR "Resources" RTPATH_SLASH_STR "DWARF",
1867	pUuid, RTDBG_CACHE_UUID_MAP_DIR_DSYMS, RTDBG_CACHE_DSYM_FILE_SUFFIX, false /* fOpenImage */,
1868	pfnCallback, pvUser1, pvUser2);
1869	}
1870
1871
1872	RTDECL(int) RTDbgCfgOpenMachOImage(RTDBGCFG hDbgCfg, const char *pszImage, PCRTUUID pUuid,
1873	PFNRTDBGCFGOPEN pfnCallback, void pvUser1, void pvUser2)
1874	{
1875	return rtDbgCfgOpenBundleFile(hDbgCfg, pszImage, g_apszBundleSuffixes,
1876	"Contents" RTPATH_SLASH_STR "MacOS",
1877	pUuid, RTDBG_CACHE_UUID_MAP_DIR_IMAGES, NULL /pszCacheSuffix/, true /* fOpenImage */,
1878	pfnCallback, pvUser1, pvUser2);
1879	}
1880
1881
1882
1883	RTDECL(int) RTDbgCfgSetLogCallback(RTDBGCFG hDbgCfg, PFNRTDBGCFGLOG pfnCallback, void *pvUser)
1884	{
1885	PRTDBGCFGINT pThis = hDbgCfg;
1886	RTDBGCFG_VALID_RETURN_RC(pThis, VERR_INVALID_HANDLE);
1887	AssertPtrNullReturn(pfnCallback, VERR_INVALID_POINTER);
1888
1889	int rc = RTCritSectRwEnterExcl(&pThis->CritSect);
1890	if (RT_SUCCESS(rc))
1891	{
1892	if ( pThis->pfnLogCallback == NULL
1893	\|\| pfnCallback == NULL
1894	\|\| pfnCallback == pThis->pfnLogCallback)
1895	{
1896	pThis->pfnLogCallback = NULL;
1897	pThis->pvLogUser = NULL;
1898	ASMCompilerBarrier(); /* paranoia */
1899	pThis->pvLogUser = pvUser;
1900	pThis->pfnLogCallback = pfnCallback;
1901	rc = VINF_SUCCESS;
1902	}
1903	else
1904	rc = VERR_ACCESS_DENIED;
1905	RTCritSectRwLeaveExcl(&pThis->CritSect);
1906	}
1907
1908	return rc;
1909	}
1910
1911
1912	/**
1913	* Frees a string list.
1914	*
1915	* @param pList The list to free.
1916	*/
1917	static void rtDbgCfgFreeStrList(PRTLISTANCHOR pList)
1918	{
1919	PRTDBGCFGSTR pCur;
1920	PRTDBGCFGSTR pNext;
1921	RTListForEachSafe(pList, pCur, pNext, RTDBGCFGSTR, ListEntry)
1922	{
1923	RTListNodeRemove(&pCur->ListEntry);
1924	RTMemFree(pCur);
1925	}
1926	}
1927
1928
1929	/**
1930	* Make changes to a string list, given a semicolon separated input string.
1931	*
1932	* @returns VINF_SUCCESS, VERR_FILENAME_TOO_LONG, VERR_NO_MEMORY
1933	* @param pThis The config instance.
1934	* @param enmOp The change operation.
1935	* @param pszValue The input strings separated by semicolon.
1936	* @param fPaths Indicates that this is a path list and that we
1937	* should look for srv and cache prefixes.
1938	* @param pList The string list anchor.
1939	*/
1940	static int rtDbgCfgChangeStringList(PRTDBGCFGINT pThis, RTDBGCFGOP enmOp, const char *pszValue, bool fPaths,
1941	PRTLISTANCHOR pList)
1942	{
1943	RT_NOREF_PV(pThis); RT_NOREF_PV(fPaths);
1944
1945	if (enmOp == RTDBGCFGOP_SET)
1946	rtDbgCfgFreeStrList(pList);
1947
1948	PRTLISTNODE pPrependTo = pList;
1949	while (*pszValue)
1950	{
1951	/* Skip separators. */
1952	while (*pszValue == ';')
1953	pszValue++;
1954	if (!*pszValue)
1955	break;
1956
1957	/* Find the end of this path. */
1958	const char *pchPath = pszValue++;
1959	char ch;
1960	while ((ch = *pszValue) && ch != ';')
1961	pszValue++;
1962	size_t cchPath = pszValue - pchPath;
1963	if (cchPath >= UINT16_MAX)
1964	return VERR_FILENAME_TOO_LONG;
1965
1966	if (enmOp == RTDBGCFGOP_REMOVE)
1967	{
1968	/*
1969	* Remove all occurences.
1970	*/
1971	PRTDBGCFGSTR pCur;
1972	PRTDBGCFGSTR pNext;
1973	RTListForEachSafe(pList, pCur, pNext, RTDBGCFGSTR, ListEntry)
1974	{
1975	if ( pCur->cch == cchPath
1976	&& !memcmp(pCur->sz, pchPath, cchPath))
1977	{
1978	RTListNodeRemove(&pCur->ListEntry);
1979	RTMemFree(pCur);
1980	}
1981	}
1982	}
1983	else
1984	{
1985	/*
1986	* We're adding a new one.
1987	*/
1988	PRTDBGCFGSTR pNew = (PRTDBGCFGSTR)RTMemAlloc(RT_UOFFSETOF_DYN(RTDBGCFGSTR, sz[cchPath + 1]));
1989	if (!pNew)
1990	return VERR_NO_MEMORY;
1991	pNew->cch = (uint16_t)cchPath;
1992	pNew->fFlags = 0;
1993	memcpy(pNew->sz, pchPath, cchPath);
1994	pNew->sz[cchPath] = '\0';
1995
1996	if (enmOp == RTDBGCFGOP_PREPEND)
1997	{
1998	RTListNodeInsertAfter(pPrependTo, &pNew->ListEntry);
1999	pPrependTo = &pNew->ListEntry;
2000	}
2001	else
2002	RTListAppend(pList, &pNew->ListEntry);
2003	}
2004	}
2005
2006	return VINF_SUCCESS;
2007	}
2008
2009
2010	/**
2011	* Make changes to a 64-bit value
2012	*
2013	* @returns VINF_SUCCESS, VERR_DBG_CFG_INVALID_VALUE.
2014	* @param pThis The config instance.
2015	* @param enmOp The change operation.
2016	* @param pszValue The input value.
2017	* @param paMnemonics The mnemonics map for this value.
2018	* @param puValue The value to change.
2019	*/
2020	static int rtDbgCfgChangeStringU64(PRTDBGCFGINT pThis, RTDBGCFGOP enmOp, const char *pszValue,
2021	PCRTDBGCFGU64MNEMONIC paMnemonics, uint64_t *puValue)
2022	{
2023	RT_NOREF_PV(pThis);
2024
2025	uint64_t uNew = enmOp == RTDBGCFGOP_SET ? 0 : *puValue;
2026	char ch;
2027	while ((ch = *pszValue))
2028	{
2029	/* skip whitespace and separators */
2030	while (RT_C_IS_SPACE(ch) \|\| RT_C_IS_CNTRL(ch) \|\| ch == ';' \|\| ch == ':')
2031	ch = *++pszValue;
2032	if (!ch)
2033	break;
2034
2035	if (RT_C_IS_DIGIT(ch))
2036	{
2037	uint64_t uTmp;
2038	int rc = RTStrToUInt64Ex(pszValue, (char **)&pszValue, 0, &uTmp);
2039	if (RT_FAILURE(rc) \|\| rc == VWRN_NUMBER_TOO_BIG)
2040	return VERR_DBG_CFG_INVALID_VALUE;
2041
2042	if (enmOp != RTDBGCFGOP_REMOVE)
2043	uNew \|= uTmp;
2044	else
2045	uNew &= ~uTmp;
2046	}
2047	else
2048	{
2049	/* A mnemonic, find the end of it. */
2050	const char *pszMnemonic = pszValue - 1;
2051	do
2052	ch = *++pszValue;
2053	while (ch && !RT_C_IS_SPACE(ch) && !RT_C_IS_CNTRL(ch) && ch != ';' && ch != ':');
2054	size_t cchMnemonic = pszValue - pszMnemonic;
2055
2056	/* Look it up in the map and apply it. */
2057	unsigned i = 0;
2058	while (paMnemonics[i].pszMnemonic)
2059	{
2060	if ( cchMnemonic == paMnemonics[i].cchMnemonic
2061	&& !memcmp(pszMnemonic, paMnemonics[i].pszMnemonic, cchMnemonic))
2062	{
2063	if (paMnemonics[i].fSet ? enmOp != RTDBGCFGOP_REMOVE : enmOp == RTDBGCFGOP_REMOVE)
2064	uNew \|= paMnemonics[i].fFlags;
2065	else
2066	uNew &= ~paMnemonics[i].fFlags;
2067	break;
2068	}
2069	i++;
2070	}
2071
2072	if (!paMnemonics[i].pszMnemonic)
2073	return VERR_DBG_CFG_INVALID_VALUE;
2074	}
2075	}
2076
2077	*puValue = uNew;
2078	return VINF_SUCCESS;
2079	}
2080
2081
2082	RTDECL(int) RTDbgCfgChangeString(RTDBGCFG hDbgCfg, RTDBGCFGPROP enmProp, RTDBGCFGOP enmOp, const char *pszValue)
2083	{
2084	PRTDBGCFGINT pThis = hDbgCfg;
2085	RTDBGCFG_VALID_RETURN_RC(pThis, VERR_INVALID_HANDLE);
2086	AssertReturn(enmProp > RTDBGCFGPROP_INVALID && enmProp < RTDBGCFGPROP_END, VERR_INVALID_PARAMETER);
2087	AssertReturn(enmOp > RTDBGCFGOP_INVALID && enmOp < RTDBGCFGOP_END, VERR_INVALID_PARAMETER);
2088	if (!pszValue)
2089	pszValue = "";
2090	else
2091	AssertPtrReturn(pszValue, VERR_INVALID_POINTER);
2092
2093	int rc = RTCritSectRwEnterExcl(&pThis->CritSect);
2094	if (RT_SUCCESS(rc))
2095	{
2096	switch (enmProp)
2097	{
2098	case RTDBGCFGPROP_FLAGS:
2099	rc = rtDbgCfgChangeStringU64(pThis, enmOp, pszValue, g_aDbgCfgFlags, &pThis->fFlags);
2100	break;
2101	case RTDBGCFGPROP_PATH:
2102	rc = rtDbgCfgChangeStringList(pThis, enmOp, pszValue, true, &pThis->PathList);
2103	break;
2104	case RTDBGCFGPROP_SUFFIXES:
2105	rc = rtDbgCfgChangeStringList(pThis, enmOp, pszValue, false, &pThis->SuffixList);
2106	break;
2107	case RTDBGCFGPROP_SRC_PATH:
2108	rc = rtDbgCfgChangeStringList(pThis, enmOp, pszValue, true, &pThis->SrcPathList);
2109	break;
2110	default:
2111	AssertFailed();
2112	rc = VERR_INTERNAL_ERROR_3;
2113	}
2114
2115	RTCritSectRwLeaveExcl(&pThis->CritSect);
2116	}
2117
2118	return rc;
2119	}
2120
2121
2122	RTDECL(int) RTDbgCfgChangeUInt(RTDBGCFG hDbgCfg, RTDBGCFGPROP enmProp, RTDBGCFGOP enmOp, uint64_t uValue)
2123	{
2124	PRTDBGCFGINT pThis = hDbgCfg;
2125	RTDBGCFG_VALID_RETURN_RC(pThis, VERR_INVALID_HANDLE);
2126	AssertReturn(enmProp > RTDBGCFGPROP_INVALID && enmProp < RTDBGCFGPROP_END, VERR_INVALID_PARAMETER);
2127	AssertReturn(enmOp > RTDBGCFGOP_INVALID && enmOp < RTDBGCFGOP_END, VERR_INVALID_PARAMETER);
2128
2129	int rc = RTCritSectRwEnterExcl(&pThis->CritSect);
2130	if (RT_SUCCESS(rc))
2131	{
2132	uint64_t *puValue = NULL;
2133	switch (enmProp)
2134	{
2135	case RTDBGCFGPROP_FLAGS:
2136	puValue = &pThis->fFlags;
2137	break;
2138	default:
2139	rc = VERR_DBG_CFG_NOT_UINT_PROP;
2140	}
2141	if (RT_SUCCESS(rc))
2142	{
2143	switch (enmOp)
2144	{
2145	case RTDBGCFGOP_SET:
2146	*puValue = uValue;
2147	break;
2148	case RTDBGCFGOP_APPEND:
2149	case RTDBGCFGOP_PREPEND:
2150	*puValue \|= uValue;
2151	break;
2152	case RTDBGCFGOP_REMOVE:
2153	*puValue &= ~uValue;
2154	break;
2155	default:
2156	AssertFailed();
2157	rc = VERR_INTERNAL_ERROR_2;
2158	}
2159	}
2160
2161	RTCritSectRwLeaveExcl(&pThis->CritSect);
2162	}
2163
2164	return rc;
2165	}
2166
2167
2168	/**
2169	* Querys a string list as a single string (semicolon separators).
2170	*
2171	* @returns VINF_SUCCESS, VERR_BUFFER_OVERFLOW.
2172	* @param hDbgCfg The config instance handle.
2173	* @param pList The string list anchor.
2174	* @param pszValue The output buffer.
2175	* @param cbValue The size of the output buffer.
2176	*/
2177	static int rtDbgCfgQueryStringList(RTDBGCFG hDbgCfg, PRTLISTANCHOR pList,
2178	char *pszValue, size_t cbValue)
2179	{
2180	RT_NOREF_PV(hDbgCfg);
2181
2182	/*
2183	* Check the length first.
2184	*/
2185	size_t cbReq = 1;
2186	PRTDBGCFGSTR pCur;
2187	RTListForEach(pList, pCur, RTDBGCFGSTR, ListEntry)
2188	cbReq += pCur->cch + 1;
2189	if (cbReq > cbValue)
2190	return VERR_BUFFER_OVERFLOW;
2191
2192	/*
2193	* Construct the string list in the buffer.
2194	*/
2195	char *psz = pszValue;
2196	RTListForEach(pList, pCur, RTDBGCFGSTR, ListEntry)
2197	{
2198	if (psz != pszValue)
2199	*psz++ = ';';
2200	memcpy(psz, pCur->sz, pCur->cch);
2201	psz += pCur->cch;
2202	}
2203	*psz = '\0';
2204
2205	return VINF_SUCCESS;
2206	}
2207
2208
2209	/**
2210	* Querys the string value of a 64-bit unsigned int.
2211	*
2212	* @returns VINF_SUCCESS, VERR_BUFFER_OVERFLOW.
2213	* @param hDbgCfg The config instance handle.
2214	* @param uValue The value to query.
2215	* @param paMnemonics The mnemonics map for this value.
2216	* @param pszValue The output buffer.
2217	* @param cbValue The size of the output buffer.
2218	*/
2219	static int rtDbgCfgQueryStringU64(RTDBGCFG hDbgCfg, uint64_t uValue, PCRTDBGCFGU64MNEMONIC paMnemonics,
2220	char *pszValue, size_t cbValue)
2221	{
2222	RT_NOREF_PV(hDbgCfg);
2223
2224	/*
2225	* If no mnemonics, just return the hex value.
2226	*/
2227	if (!paMnemonics \|\| paMnemonics[0].pszMnemonic)
2228	{
2229	char szTmp[64];
2230	size_t cch = RTStrPrintf(szTmp, sizeof(szTmp), "%#x", uValue);
2231	if (cch + 1 > cbValue)
2232	return VERR_BUFFER_OVERFLOW;
2233	memcpy(pszValue, szTmp, cbValue);
2234	return VINF_SUCCESS;
2235	}
2236
2237	/*
2238	* Check that there is sufficient buffer space first.
2239	*/
2240	size_t cbReq = 1;
2241	for (unsigned i = 0; paMnemonics[i].pszMnemonic; i++)
2242	if ( paMnemonics[i].fSet
2243	? (paMnemonics[i].fFlags & uValue)
2244	: !(paMnemonics[i].fFlags & uValue))
2245	cbReq += (cbReq != 1) + paMnemonics[i].cchMnemonic;
2246	if (cbReq > cbValue)
2247	return VERR_BUFFER_OVERFLOW;
2248
2249	/*
2250	* Construct the string.
2251	*/
2252	char *psz = pszValue;
2253	for (unsigned i = 0; paMnemonics[i].pszMnemonic; i++)
2254	if ( paMnemonics[i].fSet
2255	? (paMnemonics[i].fFlags & uValue)
2256	: !(paMnemonics[i].fFlags & uValue))
2257	{
2258	if (psz != pszValue)
2259	*psz++ = ' ';
2260	memcpy(psz, paMnemonics[i].pszMnemonic, paMnemonics[i].cchMnemonic);
2261	psz += paMnemonics[i].cchMnemonic;
2262	}
2263	*psz = '\0';
2264	return VINF_SUCCESS;
2265	}
2266
2267
2268	RTDECL(int) RTDbgCfgQueryString(RTDBGCFG hDbgCfg, RTDBGCFGPROP enmProp, char *pszValue, size_t cbValue)
2269	{
2270	PRTDBGCFGINT pThis = hDbgCfg;
2271	RTDBGCFG_VALID_RETURN_RC(pThis, VERR_INVALID_HANDLE);
2272	AssertReturn(enmProp > RTDBGCFGPROP_INVALID && enmProp < RTDBGCFGPROP_END, VERR_INVALID_PARAMETER);
2273	AssertPtrReturn(pszValue, VERR_INVALID_POINTER);
2274
2275	int rc = RTCritSectRwEnterShared(&pThis->CritSect);
2276	if (RT_SUCCESS(rc))
2277	{
2278	switch (enmProp)
2279	{
2280	case RTDBGCFGPROP_FLAGS:
2281	rc = rtDbgCfgQueryStringU64(pThis, pThis->fFlags, g_aDbgCfgFlags, pszValue, cbValue);
2282	break;
2283	case RTDBGCFGPROP_PATH:
2284	rc = rtDbgCfgQueryStringList(pThis, &pThis->PathList, pszValue, cbValue);
2285	break;
2286	case RTDBGCFGPROP_SUFFIXES:
2287	rc = rtDbgCfgQueryStringList(pThis, &pThis->SuffixList, pszValue, cbValue);
2288	break;
2289	case RTDBGCFGPROP_SRC_PATH:
2290	rc = rtDbgCfgQueryStringList(pThis, &pThis->SrcPathList, pszValue, cbValue);
2291	break;
2292	default:
2293	AssertFailed();
2294	rc = VERR_INTERNAL_ERROR_3;
2295	}
2296
2297	RTCritSectRwLeaveShared(&pThis->CritSect);
2298	}
2299
2300	return rc;
2301	}
2302
2303
2304	RTDECL(int) RTDbgCfgQueryUInt(RTDBGCFG hDbgCfg, RTDBGCFGPROP enmProp, uint64_t *puValue)
2305	{
2306	PRTDBGCFGINT pThis = hDbgCfg;
2307	RTDBGCFG_VALID_RETURN_RC(pThis, VERR_INVALID_HANDLE);
2308	AssertReturn(enmProp > RTDBGCFGPROP_INVALID && enmProp < RTDBGCFGPROP_END, VERR_INVALID_PARAMETER);
2309	AssertPtrReturn(puValue, VERR_INVALID_POINTER);
2310
2311	int rc = RTCritSectRwEnterShared(&pThis->CritSect);
2312	if (RT_SUCCESS(rc))
2313	{
2314	switch (enmProp)
2315	{
2316	case RTDBGCFGPROP_FLAGS:
2317	*puValue = pThis->fFlags;
2318	break;
2319	default:
2320	rc = VERR_DBG_CFG_NOT_UINT_PROP;
2321	}
2322
2323	RTCritSectRwLeaveShared(&pThis->CritSect);
2324	}
2325
2326	return rc;
2327	}
2328
2329	RTDECL(uint32_t) RTDbgCfgRetain(RTDBGCFG hDbgCfg)
2330	{
2331	PRTDBGCFGINT pThis = hDbgCfg;
2332	RTDBGCFG_VALID_RETURN_RC(pThis, UINT32_MAX);
2333
2334	uint32_t cRefs = ASMAtomicIncU32(&pThis->cRefs);
2335	Assert(cRefs < UINT32_MAX / 2);
2336	return cRefs;
2337	}
2338
2339
2340	RTDECL(uint32_t) RTDbgCfgRelease(RTDBGCFG hDbgCfg)
2341	{
2342	if (hDbgCfg == NIL_RTDBGCFG)
2343	return 0;
2344
2345	PRTDBGCFGINT pThis = hDbgCfg;
2346	RTDBGCFG_VALID_RETURN_RC(pThis, UINT32_MAX);
2347
2348	uint32_t cRefs = ASMAtomicDecU32(&pThis->cRefs);
2349	if (!cRefs)
2350	{
2351	/*
2352	* Last reference - free all memory.
2353	*/
2354	ASMAtomicWriteU32(&pThis->u32Magic, ~RTDBGCFG_MAGIC);
2355	rtDbgCfgFreeStrList(&pThis->PathList);
2356	rtDbgCfgFreeStrList(&pThis->SuffixList);
2357	rtDbgCfgFreeStrList(&pThis->SrcPathList);
2358	#ifdef RT_OS_WINDOWS
2359	rtDbgCfgFreeStrList(&pThis->NtSymbolPathList);
2360	rtDbgCfgFreeStrList(&pThis->NtExecutablePathList);
2361	rtDbgCfgFreeStrList(&pThis->NtSourcePath);
2362	#endif
2363	RTCritSectRwDelete(&pThis->CritSect);
2364	RTMemFree(pThis);
2365	}
2366	else
2367	Assert(cRefs < UINT32_MAX / 2);
2368	return cRefs;
2369	}
2370
2371
2372	RTDECL(int) RTDbgCfgCreate(PRTDBGCFG phDbgCfg, const char *pszEnvVarPrefix, bool fNativePaths)
2373	{
2374	/*
2375	* Validate input.
2376	*/
2377	AssertPtrReturn(phDbgCfg, VERR_INVALID_POINTER);
2378	if (pszEnvVarPrefix)
2379	{
2380	AssertPtrReturn(pszEnvVarPrefix, VERR_INVALID_POINTER);
2381	AssertReturn(*pszEnvVarPrefix, VERR_INVALID_PARAMETER);
2382	}
2383
2384	/*
2385	* Allocate and initialize a new instance.
2386	*/
2387	PRTDBGCFGINT pThis = (PRTDBGCFGINT)RTMemAllocZ(sizeof(*pThis));
2388	if (!pThis)
2389	return VERR_NO_MEMORY;
2390
2391	pThis->u32Magic = RTDBGCFG_MAGIC;
2392	pThis->cRefs = 1;
2393	RTListInit(&pThis->PathList);
2394	RTListInit(&pThis->SuffixList);
2395	RTListInit(&pThis->SrcPathList);
2396	#ifdef RT_OS_WINDOWS
2397	RTListInit(&pThis->NtSymbolPathList);
2398	RTListInit(&pThis->NtExecutablePathList);
2399	RTListInit(&pThis->NtSourcePath);
2400	#endif
2401
2402	int rc = RTCritSectRwInit(&pThis->CritSect);
2403	if (RT_FAILURE(rc))
2404	{
2405	RTMemFree(pThis);
2406	return rc;
2407	}
2408
2409	/*
2410	* Read configurtion from the environment if requested to do so.
2411	*/
2412	if (pszEnvVarPrefix \|\| fNativePaths)
2413	{
2414	const size_t cbEnvVar = 256;
2415	const size_t cbEnvVal = 65536 - cbEnvVar;
2416	char pszEnvVar = (char )RTMemTmpAlloc(cbEnvVar + cbEnvVal);
2417	if (pszEnvVar)
2418	{
2419	char *pszEnvVal = pszEnvVar + cbEnvVar;
2420
2421	if (pszEnvVarPrefix)
2422	{
2423	static struct
2424	{
2425	RTDBGCFGPROP enmProp;
2426	const char *pszVar;
2427	} const s_aProps[] =
2428	{
2429	{ RTDBGCFGPROP_FLAGS, "FLAGS" },
2430	{ RTDBGCFGPROP_PATH, "PATH" },
2431	{ RTDBGCFGPROP_SUFFIXES, "SUFFIXES" },
2432	{ RTDBGCFGPROP_SRC_PATH, "SRC_PATH" },
2433	};
2434
2435	for (unsigned i = 0; i < RT_ELEMENTS(s_aProps); i++)
2436	{
2437	size_t cchEnvVar = RTStrPrintf(pszEnvVar, cbEnvVar, "%s_%s", pszEnvVarPrefix, s_aProps[i].pszVar);
2438	if (cchEnvVar >= cbEnvVar - 1)
2439	{
2440	rc = VERR_BUFFER_OVERFLOW;
2441	break;
2442	}
2443
2444	rc = RTEnvGetEx(RTENV_DEFAULT, pszEnvVar, pszEnvVal, cbEnvVal, NULL);
2445	if (RT_SUCCESS(rc))
2446	{
2447	rc = RTDbgCfgChangeString(pThis, s_aProps[i].enmProp, RTDBGCFGOP_SET, pszEnvVal);
2448	if (RT_FAILURE(rc))
2449	break;
2450	}
2451	else if (rc != VERR_ENV_VAR_NOT_FOUND)
2452	break;
2453	else
2454	rc = VINF_SUCCESS;
2455	}
2456	}
2457
2458	/*
2459	* Pick up system specific search paths.
2460	*/
2461	if (RT_SUCCESS(rc) && fNativePaths)
2462	{
2463	struct
2464	{
2465	PRTLISTANCHOR pList;
2466	const char *pszVar;
2467	char chSep;
2468	} aNativePaths[] =
2469	{
2470	#ifdef RT_OS_WINDOWS
2471	{ &pThis->NtExecutablePathList, "_NT_EXECUTABLE_PATH", ';' },
2472	{ &pThis->NtSymbolPathList, "_NT_ALT_SYMBOL_PATH", ';' },
2473	{ &pThis->NtSymbolPathList, "_NT_SYMBOL_PATH", ';' },
2474	{ &pThis->NtSourcePath, "_NT_SOURCE_PATH", ';' },
2475	#endif
2476	{ NULL, NULL, 0 }
2477	};
2478	for (unsigned i = 0; aNativePaths[i].pList; i++)
2479	{
2480	Assert(aNativePaths[i].chSep == ';'); /* fix when needed */
2481	rc = RTEnvGetEx(RTENV_DEFAULT, aNativePaths[i].pszVar, pszEnvVal, cbEnvVal, NULL);
2482	if (RT_SUCCESS(rc))
2483	{
2484	rc = rtDbgCfgChangeStringList(pThis, RTDBGCFGOP_APPEND, pszEnvVal, true, aNativePaths[i].pList);
2485	if (RT_FAILURE(rc))
2486	break;
2487	}
2488	else if (rc != VERR_ENV_VAR_NOT_FOUND)
2489	break;
2490	else
2491	rc = VINF_SUCCESS;
2492	}
2493	}
2494	RTMemTmpFree(pszEnvVar);
2495	}
2496	else
2497	rc = VERR_NO_TMP_MEMORY;
2498	if (RT_FAILURE(rc))
2499	{
2500	/*
2501	* Error, bail out.
2502	*/
2503	RTDbgCfgRelease(pThis);
2504	return rc;
2505	}
2506	}
2507
2508	/*
2509	* Returns successfully.
2510	*/
2511	*phDbgCfg = pThis;
2512
2513	return VINF_SUCCESS;
2514	}
2515

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source: vbox/trunk/src/VBox/Runtime/common/dbg/dbgcfg.cpp@ 93115

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