ldrEx.cpp@ 51794

Last change on this file since 51794 was 51794, checked in by vboxsync, 11 years ago
Darwin loader rc fix (VERR_INVALID_EXE_SIGNATURE).
Property svn:eol-style set to `native` Property svn:keywords set to `Id Revision`
File size: 24.7 KB

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1	/* $Id: ldrEx.cpp 51794 2014-07-01 23:40:38Z vboxsync $ */
2	/** @file
3	* IPRT - Binary Image Loader, Extended Features.
4	*/
5
6	/*
7	* Copyright (C) 2006-2013 Oracle Corporation
8	*
9	* This file is part of VirtualBox Open Source Edition (OSE), as
10	* available from http://www.215389.xyz. 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_LDR
32	#include <iprt/ldr.h>
33	#include "internal/iprt.h"
34
35	#include <iprt/assert.h>
36	#include <iprt/err.h>
37	#include <iprt/log.h>
38	#include <iprt/md5.h>
39	#include <iprt/mem.h>
40	#include <iprt/sha.h>
41	#include <iprt/string.h>
42	#include "internal/ldr.h"
43	#include "internal/ldrMZ.h"
44
45	#ifdef LDR_ONLY_PE
46	# undef LDR_WITH_PE
47	# undef LDR_WITH_KLDR
48	# undef LDR_WITH_ELF
49	# undef LDR_WITH_LX
50	# undef LDR_WITH_LE
51	# undef LDR_WITH_NE
52	# undef LDR_WITH_MZ
53	# undef LDR_WITH_AOUT
54	# define LDR_WITH_PE
55	#endif
56
57
58	RTDECL(int) RTLdrOpenWithReader(PRTLDRREADER pReader, uint32_t fFlags, RTLDRARCH enmArch, PRTLDRMOD phMod, PRTERRINFO pErrInfo)
59	{
60	/*
61	* Resolve RTLDRARCH_HOST.
62	*/
63	if (enmArch == RTLDRARCH_HOST)
64	#if defined(RT_ARCH_AMD64)
65	enmArch = RTLDRARCH_AMD64;
66	#elif defined(RT_ARCH_X86)
67	enmArch = RTLDRARCH_X86_32;
68	#else
69	enmArch = RTLDRARCH_WHATEVER;
70	#endif
71
72	/*
73	* Read and verify the file signature.
74	*/
75	union
76	{
77	char ach[4];
78	uint16_t au16[2];
79	uint32_t u32;
80	} uSign;
81	int rc = pReader->pfnRead(pReader, &uSign, sizeof(uSign), 0);
82	if (RT_FAILURE(rc))
83	return rc;
84	#ifndef LDR_WITH_KLDR
85	if ( uSign.au16[0] != IMAGE_DOS_SIGNATURE
86	&& uSign.u32 != IMAGE_NT_SIGNATURE
87	&& uSign.u32 != IMAGE_ELF_SIGNATURE
88	&& uSign.au16[0] != IMAGE_LX_SIGNATURE)
89	{
90	Log(("rtldrOpenWithReader: %s: unknown magic %#x / '%.4s\n", pReader->pfnLogName(pReader), uSign.u32, &uSign.ach[0]));
91	return VERR_INVALID_EXE_SIGNATURE;
92	}
93	#endif
94	uint32_t offHdr = 0;
95	if (uSign.au16[0] == IMAGE_DOS_SIGNATURE)
96	{
97	rc = pReader->pfnRead(pReader, &offHdr, sizeof(offHdr), RT_OFFSETOF(IMAGE_DOS_HEADER, e_lfanew));
98	if (RT_FAILURE(rc))
99	return rc;
100
101	if (offHdr <= sizeof(IMAGE_DOS_HEADER))
102	{
103	Log(("rtldrOpenWithReader: %s: no new header / invalid offset %#RX32\n", pReader->pfnLogName(pReader), offHdr));
104	return VERR_INVALID_EXE_SIGNATURE;
105	}
106	rc = pReader->pfnRead(pReader, &uSign, sizeof(uSign), offHdr);
107	if (RT_FAILURE(rc))
108	return rc;
109	if ( uSign.u32 != IMAGE_NT_SIGNATURE
110	&& uSign.au16[0] != IMAGE_LX_SIGNATURE
111	&& uSign.au16[0] != IMAGE_LE_SIGNATURE
112	&& uSign.au16[0] != IMAGE_NE_SIGNATURE)
113	{
114	Log(("rtldrOpenWithReader: %s: unknown new magic %#x / '%.4s\n", pReader->pfnLogName(pReader), uSign.u32, &uSign.ach[0]));
115	return VERR_INVALID_EXE_SIGNATURE;
116	}
117	}
118
119	/*
120	* Create image interpreter instance depending on the signature.
121	*/
122	if (uSign.u32 == IMAGE_NT_SIGNATURE)
123	#ifdef LDR_WITH_PE
124	rc = rtldrPEOpen(pReader, fFlags, enmArch, offHdr, phMod, pErrInfo);
125	#else
126	rc = VERR_PE_EXE_NOT_SUPPORTED;
127	#endif
128	else if (uSign.u32 == IMAGE_ELF_SIGNATURE)
129	#if defined(LDR_WITH_ELF)
130	rc = rtldrELFOpen(pReader, fFlags, enmArch, phMod, pErrInfo);
131	#else
132	rc = VERR_ELF_EXE_NOT_SUPPORTED;
133	#endif
134	else if (uSign.au16[0] == IMAGE_LX_SIGNATURE)
135	#ifdef LDR_WITH_LX
136	rc = rtldrLXOpen(pReader, fFlags, enmArch, offHdr, phMod, pErrInfo);
137	#else
138	rc = VERR_LX_EXE_NOT_SUPPORTED;
139	#endif
140	else if (uSign.au16[0] == IMAGE_LE_SIGNATURE)
141	#ifdef LDR_WITH_LE
142	rc = rtldrLEOpen(pReader, fFlags, enmArch, phMod, pErrInfo);
143	#else
144	rc = VERR_LE_EXE_NOT_SUPPORTED;
145	#endif
146	else if (uSign.au16[0] == IMAGE_NE_SIGNATURE)
147	#ifdef LDR_WITH_NE
148	rc = rtldrNEOpen(pReader, fFlags, enmArch, phMod, pErrInfo);
149	#else
150	rc = VERR_NE_EXE_NOT_SUPPORTED;
151	#endif
152	else if (uSign.au16[0] == IMAGE_DOS_SIGNATURE)
153	#ifdef LDR_WITH_MZ
154	rc = rtldrMZOpen(pReader, fFlags, enmArch, phMod, pErrInfo);
155	#else
156	rc = VERR_MZ_EXE_NOT_SUPPORTED;
157	#endif
158	else if (/* uSign.u32 == IMAGE_AOUT_A_SIGNATURE
159	\|\| uSign.u32 == IMAGE_AOUT_Z_SIGNATURE/ /* @todo find the aout magics in emx or binutils. */
160	0)
161	#ifdef LDR_WITH_AOUT
162	rc = rtldrAOUTOpen(pReader, fFlags, enmArch, phMod, pErrInfo);
163	#else
164	rc = VERR_AOUT_EXE_NOT_SUPPORTED;
165	#endif
166	else
167	{
168	#ifndef LDR_WITH_KLDR
169	Log(("rtldrOpenWithReader: %s: the format isn't implemented %#x / '%.4s\n", pReader->pfnLogName(pReader), uSign.u32, &uSign.ach[0]));
170	#endif
171	rc = VERR_INVALID_EXE_SIGNATURE;
172	}
173
174	#ifdef LDR_WITH_KLDR
175	/* Try kLdr if it's a format we don't recognize. */
176	if (rc <= VERR_INVALID_EXE_SIGNATURE && rc > VERR_BAD_EXE_FORMAT)
177	{
178	int rc2 = rtldrkLdrOpen(pReader, fFlags, enmArch, phMod, pErrInfo);
179	if ( RT_SUCCESS(rc2)
180	\|\| (rc == VERR_INVALID_EXE_SIGNATURE && rc2 != VERR_MZ_EXE_NOT_SUPPORTED /* Quick fix for bad return code. */)
181	\|\| rc2 > VERR_INVALID_EXE_SIGNATURE
182	\|\| rc2 <= VERR_BAD_EXE_FORMAT)
183	rc = rc2;
184	}
185	#endif
186
187	LogFlow(("rtldrOpenWithReader: %s: returns %Rrc phMod=%p\n", pReader->pfnLogName(pReader), rc, phMod));
188	return rc;
189	}
190
191
192	RTDECL(size_t) RTLdrSize(RTLDRMOD hLdrMod)
193	{
194	LogFlow(("RTLdrSize: hLdrMod=%RTldrm\n", hLdrMod));
195
196	/*
197	* Validate input.
198	*/
199	AssertMsgReturn(rtldrIsValid(hLdrMod), ("hLdrMod=%p\n", hLdrMod), ~(size_t)0);
200	PRTLDRMODINTERNAL pMod = (PRTLDRMODINTERNAL)hLdrMod;
201	AssertMsgReturn(pMod->eState == LDR_STATE_OPENED, ("eState=%d\n", pMod->eState), ~(size_t)0);
202
203	/*
204	* Do it.
205	*/
206	size_t cb = pMod->pOps->pfnGetImageSize(pMod);
207	LogFlow(("RTLdrSize: returns %zu\n", cb));
208	return cb;
209	}
210	RT_EXPORT_SYMBOL(RTLdrSize);
211
212
213	/**
214	* Loads the image into a buffer provided by the user and applies fixups
215	* for the given base address.
216	*
217	* @returns iprt status code.
218	* @param hLdrMod The load module handle.
219	* @param pvBits Where to put the bits.
220	* Must be as large as RTLdrSize() suggests.
221	* @param BaseAddress The base address.
222	* @param pfnGetImport Callback function for resolving imports one by one.
223	* @param pvUser User argument for the callback.
224	* @remark Not supported for RTLdrLoad() images.
225	*/
226	RTDECL(int) RTLdrGetBits(RTLDRMOD hLdrMod, void pvBits, RTLDRADDR BaseAddress, PFNRTLDRIMPORT pfnGetImport, void pvUser)
227	{
228	LogFlow(("RTLdrGetBits: hLdrMod=%RTldrm pvBits=%p BaseAddress=%RTptr pfnGetImport=%p pvUser=%p\n",
229	hLdrMod, pvBits, BaseAddress, pfnGetImport, pvUser));
230
231	/*
232	* Validate input.
233	*/
234	AssertMsgReturn(rtldrIsValid(hLdrMod), ("hLdrMod=%p\n", hLdrMod), VERR_INVALID_HANDLE);
235	AssertMsgReturn(VALID_PTR(pvBits), ("pvBits=%p\n", pvBits), VERR_INVALID_PARAMETER);
236	AssertMsgReturn(VALID_PTR(pfnGetImport), ("pfnGetImport=%p\n", pfnGetImport), VERR_INVALID_PARAMETER);
237	PRTLDRMODINTERNAL pMod = (PRTLDRMODINTERNAL)hLdrMod;
238	AssertMsgReturn(pMod->eState == LDR_STATE_OPENED, ("eState=%d\n", pMod->eState), VERR_WRONG_ORDER);
239
240	/*
241	* Do it.
242	*/
243	int rc = pMod->pOps->pfnGetBits(pMod, pvBits, BaseAddress, pfnGetImport, pvUser);
244	LogFlow(("RTLdrGetBits: returns %Rrc\n",rc));
245	return rc;
246	}
247	RT_EXPORT_SYMBOL(RTLdrGetBits);
248
249
250	/**
251	* Relocates bits after getting them.
252	* Useful for code which moves around a bit.
253	*
254	* @returns iprt status code.
255	* @param hLdrMod The loader module handle.
256	* @param pvBits Where the image bits are.
257	* Must have been passed to RTLdrGetBits().
258	* @param NewBaseAddress The new base address.
259	* @param OldBaseAddress The old base address.
260	* @param pfnGetImport Callback function for resolving imports one by one.
261	* @param pvUser User argument for the callback.
262	* @remark Not supported for RTLdrLoad() images.
263	*/
264	RTDECL(int) RTLdrRelocate(RTLDRMOD hLdrMod, void *pvBits, RTLDRADDR NewBaseAddress, RTLDRADDR OldBaseAddress,
265	PFNRTLDRIMPORT pfnGetImport, void *pvUser)
266	{
267	LogFlow(("RTLdrRelocate: hLdrMod=%RTldrm pvBits=%p NewBaseAddress=%RTptr OldBaseAddress=%RTptr pfnGetImport=%p pvUser=%p\n",
268	hLdrMod, pvBits, NewBaseAddress, OldBaseAddress, pfnGetImport, pvUser));
269
270	/*
271	* Validate input.
272	*/
273	AssertMsgReturn(rtldrIsValid(hLdrMod), ("hLdrMod=%p\n", hLdrMod), VERR_INVALID_HANDLE);
274	AssertMsgReturn(VALID_PTR(pvBits), ("pvBits=%p\n", pvBits), VERR_INVALID_PARAMETER);
275	AssertMsgReturn(VALID_PTR(pfnGetImport), ("pfnGetImport=%p\n", pfnGetImport), VERR_INVALID_PARAMETER);
276	PRTLDRMODINTERNAL pMod = (PRTLDRMODINTERNAL)hLdrMod;
277	AssertMsgReturn(pMod->eState == LDR_STATE_OPENED, ("eState=%d\n", pMod->eState), VERR_WRONG_ORDER);
278
279	/*
280	* Do it.
281	*/
282	int rc = pMod->pOps->pfnRelocate(pMod, pvBits, NewBaseAddress, OldBaseAddress, pfnGetImport, pvUser);
283	LogFlow(("RTLdrRelocate: returns %Rrc\n", rc));
284	return rc;
285	}
286	RT_EXPORT_SYMBOL(RTLdrRelocate);
287
288
289	/**
290	* Gets the address of a named exported symbol.
291	*
292	* This function differs from the plain one in that it can deal with
293	* both GC and HC address sizes, and that it can calculate the symbol
294	* value relative to any given base address.
295	*
296	* @returns iprt status code.
297	* @param hLdrMod The loader module handle.
298	* @param pvBits Optional pointer to the loaded image.
299	* Set this to NULL if no RTLdrGetBits() processed image bits are available.
300	* Not supported for RTLdrLoad() images and must be NULL.
301	* @param BaseAddress Image load address.
302	* Not supported for RTLdrLoad() images and must be 0.
303	* @param pszSymbol Symbol name.
304	* @param pValue Where to store the symbol value.
305	*/
306	RTDECL(int) RTLdrGetSymbolEx(RTLDRMOD hLdrMod, const void pvBits, RTLDRADDR BaseAddress, const char pszSymbol,
307	PRTLDRADDR pValue)
308	{
309	LogFlow(("RTLdrGetSymbolEx: hLdrMod=%RTldrm pvBits=%p BaseAddress=%RTptr pszSymbol=%p:{%s} pValue\n",
310	hLdrMod, pvBits, BaseAddress, pszSymbol, pszSymbol, pValue));
311
312	/*
313	* Validate input.
314	*/
315	AssertMsgReturn(rtldrIsValid(hLdrMod), ("hLdrMod=%p\n", hLdrMod), VERR_INVALID_HANDLE);
316	AssertMsgReturn(!pvBits \|\| VALID_PTR(pvBits), ("pvBits=%p\n", pvBits), VERR_INVALID_PARAMETER);
317	AssertMsgReturn(pszSymbol, ("pszSymbol=%p\n", pszSymbol), VERR_INVALID_PARAMETER);
318	AssertMsgReturn(VALID_PTR(pValue), ("pValue=%p\n", pvBits), VERR_INVALID_PARAMETER);
319	PRTLDRMODINTERNAL pMod = (PRTLDRMODINTERNAL)hLdrMod;
320	//AssertMsgReturn(pMod->eState == LDR_STATE_OPENED, ("eState=%d\n", pMod->eState), VERR_WRONG_ORDER);
321
322	/*
323	* Do it.
324	*/
325	int rc;
326	if (pMod->pOps->pfnGetSymbolEx)
327	rc = pMod->pOps->pfnGetSymbolEx(pMod, pvBits, BaseAddress, pszSymbol, pValue);
328	else if (!BaseAddress && !pvBits)
329	{
330	void *pvValue;
331	rc = pMod->pOps->pfnGetSymbol(pMod, pszSymbol, &pvValue);
332	if (RT_SUCCESS(rc))
333	*pValue = (uintptr_t)pvValue;
334	}
335	else
336	AssertMsgFailedReturn(("BaseAddress=%RTptr pvBits=%p\n", BaseAddress, pvBits), VERR_INVALID_FUNCTION);
337	LogFlow(("RTLdrGetSymbolEx: returns %Rrc pValue=%p\n", rc, pValue));
338	return rc;
339	}
340	RT_EXPORT_SYMBOL(RTLdrGetSymbolEx);
341
342
343	/**
344	* Enumerates all symbols in a module.
345	*
346	* @returns iprt status code.
347	* @param hLdrMod The loader module handle.
348	* @param fFlags Flags indicating what to return and such.
349	* @param pvBits Optional pointer to the loaded image.
350	* Set this to NULL if no RTLdrGetBits() processed image bits are available.
351	* @param BaseAddress Image load address.
352	* @param pfnCallback Callback function.
353	* @param pvUser User argument for the callback.
354	* @remark Not supported for RTLdrLoad() images.
355	*/
356	RTDECL(int) RTLdrEnumSymbols(RTLDRMOD hLdrMod, unsigned fFlags, const void *pvBits, RTLDRADDR BaseAddress,
357	PFNRTLDRENUMSYMS pfnCallback, void *pvUser)
358	{
359	LogFlow(("RTLdrEnumSymbols: hLdrMod=%RTldrm fFlags=%#x pvBits=%p BaseAddress=%RTptr pfnCallback=%p pvUser=%p\n",
360	hLdrMod, fFlags, pvBits, BaseAddress, pfnCallback, pvUser));
361
362	/*
363	* Validate input.
364	*/
365	AssertMsgReturn(rtldrIsValid(hLdrMod), ("hLdrMod=%p\n", hLdrMod), VERR_INVALID_HANDLE);
366	AssertMsgReturn(!pvBits \|\| VALID_PTR(pvBits), ("pvBits=%p\n", pvBits), VERR_INVALID_PARAMETER);
367	AssertMsgReturn(VALID_PTR(pfnCallback), ("pfnCallback=%p\n", pfnCallback), VERR_INVALID_PARAMETER);
368	PRTLDRMODINTERNAL pMod = (PRTLDRMODINTERNAL)hLdrMod;
369	//AssertMsgReturn(pMod->eState == LDR_STATE_OPENED, ("eState=%d\n", pMod->eState), VERR_WRONG_ORDER);
370
371	/*
372	* Do it.
373	*/
374	int rc = pMod->pOps->pfnEnumSymbols(pMod, fFlags, pvBits, BaseAddress, pfnCallback, pvUser);
375	LogFlow(("RTLdrEnumSymbols: returns %Rrc\n", rc));
376	return rc;
377	}
378	RT_EXPORT_SYMBOL(RTLdrEnumSymbols);
379
380
381	RTDECL(int) RTLdrEnumDbgInfo(RTLDRMOD hLdrMod, const void pvBits, PFNRTLDRENUMDBG pfnCallback, void pvUser)
382	{
383	LogFlow(("RTLdrEnumDbgInfo: hLdrMod=%RTldrm pvBits=%p pfnCallback=%p pvUser=%p\n",
384	hLdrMod, pvBits, pfnCallback, pvUser));
385
386	/*
387	* Validate input.
388	*/
389	AssertMsgReturn(rtldrIsValid(hLdrMod), ("hLdrMod=%p\n", hLdrMod), VERR_INVALID_HANDLE);
390	AssertMsgReturn(!pvBits \|\| RT_VALID_PTR(pvBits), ("pvBits=%p\n", pvBits), VERR_INVALID_PARAMETER);
391	AssertMsgReturn(RT_VALID_PTR(pfnCallback), ("pfnCallback=%p\n", pfnCallback), VERR_INVALID_PARAMETER);
392	PRTLDRMODINTERNAL pMod = (PRTLDRMODINTERNAL)hLdrMod;
393	//AssertMsgReturn(pMod->eState == LDR_STATE_OPENED, ("eState=%d\n", pMod->eState), VERR_WRONG_ORDER);
394
395	/*
396	* Do it.
397	*/
398	int rc;
399	if (pMod->pOps->pfnEnumDbgInfo)
400	rc = pMod->pOps->pfnEnumDbgInfo(pMod, pvBits, pfnCallback, pvUser);
401	else
402	rc = VERR_NOT_SUPPORTED;
403
404	LogFlow(("RTLdrEnumDbgInfo: returns %Rrc\n", rc));
405	return rc;
406	}
407	RT_EXPORT_SYMBOL(RTLdrEnumDbgInfo);
408
409
410	RTDECL(int) RTLdrEnumSegments(RTLDRMOD hLdrMod, PFNRTLDRENUMSEGS pfnCallback, void *pvUser)
411	{
412	LogFlow(("RTLdrEnumSegments: hLdrMod=%RTldrm pfnCallback=%p pvUser=%p\n",
413	hLdrMod, pfnCallback, pvUser));
414
415	/*
416	* Validate input.
417	*/
418	AssertMsgReturn(rtldrIsValid(hLdrMod), ("hLdrMod=%p\n", hLdrMod), VERR_INVALID_HANDLE);
419	AssertMsgReturn(RT_VALID_PTR(pfnCallback), ("pfnCallback=%p\n", pfnCallback), VERR_INVALID_PARAMETER);
420	PRTLDRMODINTERNAL pMod = (PRTLDRMODINTERNAL)hLdrMod;
421	//AssertMsgReturn(pMod->eState == LDR_STATE_OPENED, ("eState=%d\n", pMod->eState), VERR_WRONG_ORDER);
422
423	/*
424	* Do it.
425	*/
426	int rc;
427	if (pMod->pOps->pfnEnumSegments)
428	rc = pMod->pOps->pfnEnumSegments(pMod, pfnCallback, pvUser);
429	else
430	rc = VERR_NOT_SUPPORTED;
431
432	LogFlow(("RTLdrEnumSegments: returns %Rrc\n", rc));
433	return rc;
434
435	}
436	RT_EXPORT_SYMBOL(RTLdrEnumSegments);
437
438
439	RTDECL(int) RTLdrLinkAddressToSegOffset(RTLDRMOD hLdrMod, RTLDRADDR LinkAddress, uint32_t *piSeg, PRTLDRADDR poffSeg)
440	{
441	LogFlow(("RTLdrLinkAddressToSegOffset: hLdrMod=%RTldrm LinkAddress=%RTptr piSeg=%p poffSeg=%p\n",
442	hLdrMod, LinkAddress, piSeg, poffSeg));
443
444	/*
445	* Validate input.
446	*/
447	AssertMsgReturn(rtldrIsValid(hLdrMod), ("hLdrMod=%p\n", hLdrMod), VERR_INVALID_HANDLE);
448	AssertPtrReturn(piSeg, VERR_INVALID_POINTER);
449	AssertPtrReturn(poffSeg, VERR_INVALID_POINTER);
450
451	PRTLDRMODINTERNAL pMod = (PRTLDRMODINTERNAL)hLdrMod;
452	//AssertMsgReturn(pMod->eState == LDR_STATE_OPENED, ("eState=%d\n", pMod->eState), VERR_WRONG_ORDER);
453
454	*piSeg = UINT32_MAX;
455	*poffSeg = ~(RTLDRADDR)0;
456
457	/*
458	* Do it.
459	*/
460	int rc;
461	if (pMod->pOps->pfnLinkAddressToSegOffset)
462	rc = pMod->pOps->pfnLinkAddressToSegOffset(pMod, LinkAddress, piSeg, poffSeg);
463	else
464	rc = VERR_NOT_SUPPORTED;
465
466	LogFlow(("RTLdrLinkAddressToSegOffset: returns %Rrc %#x:%RTptr\n", rc, piSeg, poffSeg));
467	return rc;
468	}
469	RT_EXPORT_SYMBOL(RTLdrLinkAddressToSegOffset);
470
471
472	RTDECL(int) RTLdrLinkAddressToRva(RTLDRMOD hLdrMod, RTLDRADDR LinkAddress, PRTLDRADDR pRva)
473	{
474	LogFlow(("RTLdrLinkAddressToRva: hLdrMod=%RTldrm LinkAddress=%RTptr pRva=%p\n",
475	hLdrMod, LinkAddress, pRva));
476
477	/*
478	* Validate input.
479	*/
480	AssertMsgReturn(rtldrIsValid(hLdrMod), ("hLdrMod=%p\n", hLdrMod), VERR_INVALID_HANDLE);
481	AssertPtrReturn(pRva, VERR_INVALID_POINTER);
482
483	PRTLDRMODINTERNAL pMod = (PRTLDRMODINTERNAL)hLdrMod;
484	//AssertMsgReturn(pMod->eState == LDR_STATE_OPENED, ("eState=%d\n", pMod->eState), VERR_WRONG_ORDER);
485
486	*pRva = ~(RTLDRADDR)0;
487
488	/*
489	* Do it.
490	*/
491	int rc;
492	if (pMod->pOps->pfnLinkAddressToRva)
493	rc = pMod->pOps->pfnLinkAddressToRva(pMod, LinkAddress, pRva);
494	else
495	rc = VERR_NOT_SUPPORTED;
496
497	LogFlow(("RTLdrLinkAddressToRva: returns %Rrc %RTptr\n", rc, *pRva));
498	return rc;
499	}
500	RT_EXPORT_SYMBOL(RTLdrLinkAddressToRva);
501
502
503	RTDECL(int) RTLdrSegOffsetToRva(RTLDRMOD hLdrMod, uint32_t iSeg, RTLDRADDR offSeg, PRTLDRADDR pRva)
504	{
505	LogFlow(("RTLdrSegOffsetToRva: hLdrMod=%RTldrm LinkAddress=%RTptr iSeg=%#x offSeg=%RTptr pRva=%p\n",
506	hLdrMod, iSeg, offSeg, pRva));
507
508	/*
509	* Validate input.
510	*/
511	AssertMsgReturn(rtldrIsValid(hLdrMod), ("hLdrMod=%p\n", hLdrMod), VERR_INVALID_HANDLE);
512	AssertPtrReturn(pRva, VERR_INVALID_POINTER);
513
514	PRTLDRMODINTERNAL pMod = (PRTLDRMODINTERNAL)hLdrMod;
515	//AssertMsgReturn(pMod->eState == LDR_STATE_OPENED, ("eState=%d\n", pMod->eState), VERR_WRONG_ORDER);
516
517	*pRva = ~(RTLDRADDR)0;
518
519	/*
520	* Do it.
521	*/
522	int rc;
523	if (pMod->pOps->pfnSegOffsetToRva)
524	rc = pMod->pOps->pfnSegOffsetToRva(pMod, iSeg, offSeg, pRva);
525	else
526	rc = VERR_NOT_SUPPORTED;
527
528	LogFlow(("RTLdrSegOffsetToRva: returns %Rrc %RTptr\n", rc, *pRva));
529	return rc;
530	}
531	RT_EXPORT_SYMBOL(RTLdrSegOffsetToRva);
532
533	RTDECL(int) RTLdrRvaToSegOffset(RTLDRMOD hLdrMod, RTLDRADDR Rva, uint32_t *piSeg, PRTLDRADDR poffSeg)
534	{
535	LogFlow(("RTLdrRvaToSegOffset: hLdrMod=%RTldrm Rva=%RTptr piSeg=%p poffSeg=%p\n",
536	hLdrMod, Rva, piSeg, poffSeg));
537
538	/*
539	* Validate input.
540	*/
541	AssertMsgReturn(rtldrIsValid(hLdrMod), ("hLdrMod=%p\n", hLdrMod), VERR_INVALID_HANDLE);
542	AssertPtrReturn(piSeg, VERR_INVALID_POINTER);
543	AssertPtrReturn(poffSeg, VERR_INVALID_POINTER);
544
545	PRTLDRMODINTERNAL pMod = (PRTLDRMODINTERNAL)hLdrMod;
546	//AssertMsgReturn(pMod->eState == LDR_STATE_OPENED, ("eState=%d\n", pMod->eState), VERR_WRONG_ORDER);
547
548	*piSeg = UINT32_MAX;
549	*poffSeg = ~(RTLDRADDR)0;
550
551	/*
552	* Do it.
553	*/
554	int rc;
555	if (pMod->pOps->pfnRvaToSegOffset)
556	rc = pMod->pOps->pfnRvaToSegOffset(pMod, Rva, piSeg, poffSeg);
557	else
558	rc = VERR_NOT_SUPPORTED;
559
560	LogFlow(("RTLdrRvaToSegOffset: returns %Rrc %#x:%RTptr\n", rc, piSeg, poffSeg));
561	return rc;
562	}
563	RT_EXPORT_SYMBOL(RTLdrRvaToSegOffset);
564
565
566	RTDECL(int) RTLdrQueryProp(RTLDRMOD hLdrMod, RTLDRPROP enmProp, void *pvBuf, size_t cbBuf)
567	{
568	return RTLdrQueryPropEx(hLdrMod, enmProp, pvBuf, cbBuf, NULL);
569	}
570	RT_EXPORT_SYMBOL(RTLdrQueryProp);
571
572
573	RTDECL(int) RTLdrQueryPropEx(RTLDRMOD hLdrMod, RTLDRPROP enmProp, void pvBuf, size_t cbBuf, size_t pcbRet)
574	{
575	AssertMsgReturn(rtldrIsValid(hLdrMod), ("hLdrMod=%p\n", hLdrMod), RTLDRENDIAN_INVALID);
576	PRTLDRMODINTERNAL pMod = (PRTLDRMODINTERNAL)hLdrMod;
577
578	AssertPtrNullReturn(pcbRet, VERR_INVALID_POINTER);
579	size_t cbRet;
580	if (!pcbRet)
581	pcbRet = &cbRet;
582
583	/*
584	* Do some pre screening of the input
585	*/
586	switch (enmProp)
587	{
588	case RTLDRPROP_UUID:
589	*pcbRet = sizeof(RTUUID);
590	AssertReturn(cbBuf == sizeof(RTUUID), VERR_INVALID_PARAMETER);
591	break;
592	case RTLDRPROP_TIMESTAMP_SECONDS:
593	*pcbRet = sizeof(int64_t);
594	AssertReturn(cbBuf == sizeof(int32_t) \|\| cbBuf == sizeof(int64_t), VERR_INVALID_PARAMETER);
595	break;
596	case RTLDRPROP_IS_SIGNED:
597	*pcbRet = sizeof(bool);
598	AssertReturn(cbBuf == sizeof(bool), VERR_INVALID_PARAMETER);
599	break;
600	case RTLDRPROP_PKCS7_SIGNED_DATA:
601	*pcbRet = 0;
602	break;
603	case RTLDRPROP_SIGNATURE_CHECKS_ENFORCED:
604	*pcbRet = sizeof(bool);
605	AssertReturn(cbBuf == sizeof(bool), VERR_INVALID_PARAMETER);
606	break;
607
608	default:
609	AssertFailedReturn(VERR_INVALID_FUNCTION);
610	}
611	AssertPtrReturn(pvBuf, VERR_INVALID_POINTER);
612
613	/*
614	* Call the image specific worker, if there is one.
615	*/
616	if (!pMod->pOps->pfnQueryProp)
617	return VERR_NOT_SUPPORTED;
618	return pMod->pOps->pfnQueryProp(pMod, enmProp, pvBuf, cbBuf, pcbRet);
619	}
620	RT_EXPORT_SYMBOL(RTLdrQueryPropEx);
621
622
623	RTDECL(int) RTLdrVerifySignature(RTLDRMOD hLdrMod, PFNRTLDRVALIDATESIGNEDDATA pfnCallback, void *pvUser, PRTERRINFO pErrInfo)
624	{
625	AssertMsgReturn(rtldrIsValid(hLdrMod), ("hLdrMod=%p\n", hLdrMod), VERR_INVALID_HANDLE);
626	PRTLDRMODINTERNAL pMod = (PRTLDRMODINTERNAL)hLdrMod;
627	AssertPtrReturn(pfnCallback, VERR_INVALID_POINTER);
628
629	/*
630	* Call the image specific worker, if there is one.
631	*/
632	if (!pMod->pOps->pfnVerifySignature)
633	return VERR_NOT_SUPPORTED;
634	return pMod->pOps->pfnVerifySignature(pMod, pfnCallback, pvUser, pErrInfo);
635	}
636	RT_EXPORT_SYMBOL(RTLdrVerifySignature);
637
638
639	RTDECL(int) RTLdrHashImage(RTLDRMOD hLdrMod, RTDIGESTTYPE enmDigest, char *pszDigest, size_t cbDigest)
640	{
641	AssertMsgReturn(rtldrIsValid(hLdrMod), ("hLdrMod=%p\n", hLdrMod), VERR_INVALID_HANDLE);
642	PRTLDRMODINTERNAL pMod = (PRTLDRMODINTERNAL)hLdrMod;
643
644	/*
645	* Make sure there is sufficient space for the wanted digest and that
646	* it's supported.
647	*/
648	switch (enmDigest)
649	{
650	case RTDIGESTTYPE_MD5: AssertReturn(cbDigest >= RTMD5_DIGEST_LEN + 1, VERR_BUFFER_OVERFLOW); break;
651	case RTDIGESTTYPE_SHA1: AssertReturn(cbDigest >= RTSHA1_DIGEST_LEN + 1, VERR_BUFFER_OVERFLOW); break;
652	case RTDIGESTTYPE_SHA256: AssertReturn(cbDigest >= RTSHA256_DIGEST_LEN + 1, VERR_BUFFER_OVERFLOW); break;
653	case RTDIGESTTYPE_SHA512: AssertReturn(cbDigest >= RTSHA512_DIGEST_LEN + 1, VERR_BUFFER_OVERFLOW); break;
654	default:
655	if (enmDigest > RTDIGESTTYPE_INVALID && enmDigest < RTDIGESTTYPE_END)
656	return VERR_NOT_SUPPORTED;
657	AssertFailedReturn(VERR_INVALID_PARAMETER);
658	}
659	AssertPtrReturn(pszDigest, VERR_INVALID_POINTER);
660
661	/*
662	* Call the image specific worker, if there is one.
663	*/
664	if (!pMod->pOps->pfnHashImage)
665	return VERR_NOT_SUPPORTED;
666	return pMod->pOps->pfnHashImage(pMod, enmDigest, pszDigest, cbDigest);
667	}
668	RT_EXPORT_SYMBOL(RTLdrHashImage);
669
670
671	/**
672	* Internal method used by the IPRT debug bits.
673	*
674	* @returns IPRT status code.
675	* @param hLdrMod The loader handle which executable we wish to
676	* read from.
677	* @param pvBuf The output buffer.
678	* @param iDbgInfo The debug info ordinal number if the request
679	* corresponds exactly to a debug info part from
680	* pfnEnumDbgInfo. Otherwise, pass UINT32_MAX.
681	* @param off Where in the executable file to start reading.
682	* @param cb The number of bytes to read.
683	*
684	* @remarks Fixups will only be applied if @a iDbgInfo is specified.
685	*/
686	DECLHIDDEN(int) rtLdrReadAt(RTLDRMOD hLdrMod, void *pvBuf, uint32_t iDbgInfo, RTFOFF off, size_t cb)
687	{
688	AssertMsgReturn(rtldrIsValid(hLdrMod), ("hLdrMod=%p\n", hLdrMod), VERR_INVALID_HANDLE);
689	PRTLDRMODINTERNAL pMod = (PRTLDRMODINTERNAL)hLdrMod;
690
691	if (iDbgInfo != UINT32_MAX)
692	{
693	AssertReturn(pMod->pOps->pfnReadDbgInfo, VERR_NOT_SUPPORTED);
694	return pMod->pOps->pfnReadDbgInfo(pMod, iDbgInfo, off, cb, pvBuf);
695	}
696
697	AssertReturn(pMod->pReader, VERR_NOT_SUPPORTED);
698	return pMod->pReader->pfnRead(pMod->pReader, pvBuf, cb, off);
699	}
700

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source: vbox/trunk/src/VBox/Runtime/common/ldr/ldrEx.cpp@ 51794

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