RTSignTool.cpp@ 52049

Last change on this file since 52049 was 52049, checked in by vboxsync, 10 years ago
RTSignTool: bugfix
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1	/* $Id: RTSignTool.cpp 52049 2014-07-16 13:51:05Z vboxsync $ */
2	/** @file
3	* IPRT - Signing Tool.
4	*/
5
6	/*
7	* Copyright (C) 2006-2014 Oracle Corporation
8	*
9	* This file is part of VirtualBox Open Source Edition (OSE), as
10	* available from http://www.virtualbox.org. This file is free software;
11	* you can redistribute it and/or modify it under the terms of the GNU
12	* General Public License (GPL) as published by the Free Software
13	* Foundation, in version 2 as it comes in the "COPYING" file of the
14	* VirtualBox OSE distribution. VirtualBox OSE is distributed in the
15	* hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
16	*
17	* The contents of this file may alternatively be used under the terms
18	* of the Common Development and Distribution License Version 1.0
19	* (CDDL) only, as it comes in the "COPYING.CDDL" file of the
20	* VirtualBox OSE distribution, in which case the provisions of the
21	* CDDL are applicable instead of those of the GPL.
22	*
23	* You may elect to license modified versions of this file under the
24	* terms and conditions of either the GPL or the CDDL or both.
25	*/
26
27
28	/*******************************************************************************
29	* Header Files *
30	*******************************************************************************/
31	#include <iprt/assert.h>
32	#include <iprt/buildconfig.h>
33	#include <iprt/err.h>
34	#include <iprt/getopt.h>
35	#include <iprt/file.h>
36	#include <iprt/initterm.h>
37	#include <iprt/ldr.h>
38	#include <iprt/message.h>
39	#include <iprt/mem.h>
40	#include <iprt/path.h>
41	#include <iprt/stream.h>
42	#include <iprt/string.h>
43	#include <iprt/crypto/x509.h>
44	#include <iprt/crypto/pkcs7.h>
45	#include <iprt/crypto/store.h>
46	#ifdef VBOX
47	# include <VBox/sup.h> /* Certificates */
48	#endif
49
50
51	/*******************************************************************************
52	* Structures and Typedefs *
53	*******************************************************************************/
54	/** Help detail levels. */
55	typedef enum RTSIGNTOOLHELP
56	{
57	RTSIGNTOOLHELP_USAGE,
58	RTSIGNTOOLHELP_FULL
59	} RTSIGNTOOLHELP;
60
61
62	/*******************************************************************************
63	* Internal Functions *
64	*******************************************************************************/
65	static RTEXITCODE HandleHelp(int cArgs, char **papszArgs);
66	static RTEXITCODE HelpHelp(PRTSTREAM pStrm, RTSIGNTOOLHELP enmLevel);
67	static RTEXITCODE HandleVersion(int cArgs, char **papszArgs);
68
69
70
71
72	/*
73	* The 'extract-exe-signer-cert' command.
74	*/
75	static RTEXITCODE HelpExtractExeSignerCert(PRTSTREAM pStrm, RTSIGNTOOLHELP enmLevel)
76	{
77	RTStrmPrintf(pStrm, "extract-exe-signer-cert [--ber\|--cer\|--der] [--exe\|-e] <exe> [--output\|-o] <outfile.cer>\n");
78	return RTEXITCODE_SUCCESS;
79	}
80
81	static RTEXITCODE HandleExtractExeSignerCert(int cArgs, char **papszArgs)
82	{
83	/*
84	* Parse arguments.
85	*/
86	static const RTGETOPTDEF s_aOptions[] =
87	{
88	{ "--ber", 'b', RTGETOPT_REQ_NOTHING },
89	{ "--cer", 'c', RTGETOPT_REQ_NOTHING },
90	{ "--der", 'd', RTGETOPT_REQ_NOTHING },
91	{ "--exe", 'e', RTGETOPT_REQ_STRING },
92	{ "--output", 'o', RTGETOPT_REQ_STRING },
93	};
94
95	const char *pszExe = NULL;
96	const char *pszOut = NULL;
97	RTLDRARCH enmLdrArch = RTLDRARCH_WHATEVER;
98	uint32_t fCursorFlags = RTASN1CURSOR_FLAGS_DER;
99
100	RTGETOPTSTATE GetState;
101	int rc = RTGetOptInit(&GetState, cArgs, papszArgs, s_aOptions, RT_ELEMENTS(s_aOptions), 1, RTGETOPTINIT_FLAGS_OPTS_FIRST);
102	AssertRCReturn(rc, RTEXITCODE_FAILURE);
103	RTGETOPTUNION ValueUnion;
104	int ch;
105	while ((ch = RTGetOpt(&GetState, &ValueUnion)))
106	{
107	switch (ch)
108	{
109	case 'e': pszExe = ValueUnion.psz; break;
110	case 'o': pszOut = ValueUnion.psz; break;
111	case 'b': fCursorFlags = 0; break;
112	case 'c': fCursorFlags = RTASN1CURSOR_FLAGS_CER; break;
113	case 'd': fCursorFlags = RTASN1CURSOR_FLAGS_DER; break;
114	case 'V': return HandleVersion(cArgs, papszArgs);
115	case 'h': return HelpExtractExeSignerCert(g_pStdOut, RTSIGNTOOLHELP_FULL);
116
117	case VINF_GETOPT_NOT_OPTION:
118	if (!pszExe)
119	pszExe = ValueUnion.psz;
120	else if (!pszOut)
121	pszOut = ValueUnion.psz;
122	else
123	return RTMsgErrorExit(RTEXITCODE_FAILURE, "Too many file arguments: %s", ValueUnion.psz);
124	break;
125
126	default:
127	return RTGetOptPrintError(ch, &ValueUnion);
128	}
129	}
130	if (!pszExe)
131	return RTMsgErrorExit(RTEXITCODE_FAILURE, "No executable given.");
132	if (!pszOut)
133	return RTMsgErrorExit(RTEXITCODE_FAILURE, "No output file given.");
134	if (RTPathExists(pszOut))
135	return RTMsgErrorExit(RTEXITCODE_FAILURE, "The output file '%s' exists.", pszOut);
136
137	/*
138	* Do it.
139	*/
140
141	/* Open the executable image and query the PKCS7 info. */
142	RTLDRMOD hLdrMod;
143	rc = RTLdrOpen(pszExe, RTLDR_O_FOR_VALIDATION, enmLdrArch, &hLdrMod);
144	if (RT_FAILURE(rc))
145	return RTMsgErrorExit(RTEXITCODE_FAILURE, "Error opening executable image '%s': %Rrc", pszExe, rc);
146
147	RTEXITCODE rcExit = RTEXITCODE_FAILURE;
148	#ifdef DEBUG
149	size_t cbBuf = 64;
150	#else
151	size_t cbBuf = _512K;
152	#endif
153	void *pvBuf = RTMemAlloc(cbBuf);
154	size_t cbRet = 0;
155	rc = RTLdrQueryPropEx(hLdrMod, RTLDRPROP_PKCS7_SIGNED_DATA, pvBuf, cbBuf, &cbRet);
156	if (rc == VERR_BUFFER_OVERFLOW && cbRet < _4M && cbRet > 0)
157	{
158	RTMemFree(pvBuf);
159	cbBuf = cbRet;
160	pvBuf = RTMemAlloc(cbBuf);
161	rc = RTLdrQueryPropEx(hLdrMod, RTLDRPROP_PKCS7_SIGNED_DATA, pvBuf, cbBuf, &cbRet);
162	}
163	if (RT_SUCCESS(rc))
164	{
165	static RTERRINFOSTATIC s_StaticErrInfo;
166	RTErrInfoInitStatic(&s_StaticErrInfo);
167
168	/*
169	* Decode the output.
170	*/
171	RTASN1CURSORPRIMARY PrimaryCursor;
172	RTAsn1CursorInitPrimary(&PrimaryCursor, pvBuf, (uint32_t)cbRet, &s_StaticErrInfo.Core,
173	&g_RTAsn1DefaultAllocator, fCursorFlags, "exe");
174	RTCRPKCS7CONTENTINFO Pkcs7Ci;
175	rc = RTCrPkcs7ContentInfo_DecodeAsn1(&PrimaryCursor.Cursor, 0, &Pkcs7Ci, "pkcs7");
176	if (RT_SUCCESS(rc))
177	{
178	if (RTCrPkcs7ContentInfo_IsSignedData(&Pkcs7Ci))
179	{
180	PCRTCRPKCS7SIGNEDDATA pSd = Pkcs7Ci.u.pSignedData;
181	if (pSd->SignerInfos.cItems == 1)
182	{
183	PCRTCRPKCS7ISSUERANDSERIALNUMBER pISN = &pSd->SignerInfos.paItems[0].IssuerAndSerialNumber;
184	PCRTCRX509CERTIFICATE pCert;
185	pCert = RTCrX509Certificates_FindByIssuerAndSerialNumber(&pSd->Certificates,
186	&pISN->Name, &pISN->SerialNumber);
187	if (pCert)
188	{
189	/*
190	* Write it out.
191	*/
192	RTFILE hFile;
193	rc = RTFileOpen(&hFile, pszOut, RTFILE_O_WRITE \| RTFILE_O_DENY_WRITE \| RTFILE_O_CREATE);
194	if (RT_SUCCESS(rc))
195	{
196	uint32_t cbCert = pCert->SeqCore.Asn1Core.cbHdr + pCert->SeqCore.Asn1Core.cb;
197	rc = RTFileWrite(hFile, pCert->SeqCore.Asn1Core.uData.pu8 - pCert->SeqCore.Asn1Core.cbHdr,
198	cbCert, NULL);
199	if (RT_SUCCESS(rc))
200	{
201	rc = RTFileClose(hFile);
202	if (RT_SUCCESS(rc))
203	{
204	hFile = NIL_RTFILE;
205	rcExit = RTEXITCODE_SUCCESS;
206	RTMsgInfo("Successfully wrote %u bytes to '%s'", cbCert, pszOut);
207	}
208	else
209	RTMsgError("RTFileClose failed: %Rrc", rc);
210	}
211	else
212	RTMsgError("RTFileWrite failed: %Rrc", rc);
213	RTFileClose(hFile);
214	}
215	else
216	RTMsgError("Error opening '%s': %Rrc", pszOut, rc);
217	}
218	else
219	RTMsgError("Certificate not found.");
220	}
221	else
222	RTMsgError("SignerInfo count: %u", pSd->SignerInfos.cItems);
223	}
224	else
225	RTMsgError("No PKCS7 content: ContentType=%s", Pkcs7Ci.ContentType.szObjId);
226	RTAsn1VtDelete(&Pkcs7Ci.SeqCore.Asn1Core);
227	}
228	else
229	RTMsgError("RTPkcs7ContentInfoDecodeAsn1 failed: %Rrc - %s", rc, s_StaticErrInfo.szMsg);
230	}
231	else
232	RTMsgError("RTLDRPROP_PKCS7_SIGNED_DATA failed on '%s': %Rrc", pszExe, rc);
233	RTMemFree(pvBuf);
234	rc = RTLdrClose(hLdrMod);
235	if (RT_FAILURE(rc))
236	rcExit = RTMsgErrorExit(RTEXITCODE_FAILURE, "RTLdrClose failed: %Rrc\n", rc);
237	return rcExit;
238	}
239
240	#ifndef IPRT_IN_BUILD_TOOL
241
242	/*
243	* The 'verify-exe' command.
244	*/
245	static RTEXITCODE HelpVerifyExe(PRTSTREAM pStrm, RTSIGNTOOLHELP enmLevel)
246	{
247	RTStrmPrintf(pStrm,
248	"verify-exe [--verbose\|--quiet] [--kernel] [--root <root-cert.der>] [--additional <supp-cert.der>]\n"
249	" [--type <win\|osx>] <exe1> [exe2 [..]]\n");
250	return RTEXITCODE_SUCCESS;
251	}
252
253	typedef struct VERIFYEXESTATE
254	{
255	RTCRSTORE hRootStore;
256	RTCRSTORE hKernelRootStore;
257	RTCRSTORE hAdditionalStore;
258	bool fKernel;
259	int cVerbose;
260	enum { kSignType_Windows, kSignType_OSX } enmSignType;
261	uint64_t uTimestamp;
262	RTLDRARCH enmLdrArch;
263	} VERIFYEXESTATE;
264
265	#ifdef VBOX
266	/** Certificate store load set.
267	* Declared outside HandleVerifyExe because of braindead gcc visibility crap. */
268	struct STSTORESET
269	{
270	RTCRSTORE hStore;
271	PCSUPTAENTRY paTAs;
272	unsigned cTAs;
273	};
274	#endif
275
276	/**
277	* @callback_method_impl{RTCRPKCS7VERIFYCERTCALLBACK,
278	* Standard code signing. Use this for Microsoft SPC.}
279	*/
280	static DECLCALLBACK(int) VerifyExecCertVerifyCallback(PCRTCRX509CERTIFICATE pCert, RTCRX509CERTPATHS hCertPaths,
281	void *pvUser, PRTERRINFO pErrInfo)
282	{
283	VERIFYEXESTATE pState = (VERIFYEXESTATE )pvUser;
284	uint32_t cPaths = hCertPaths != NIL_RTCRX509CERTPATHS ? RTCrX509CertPathsGetPathCount(hCertPaths) : 0;
285
286	/*
287	* Dump all the paths.
288	*/
289	if (pState->cVerbose > 0)
290	{
291	for (uint32_t iPath = 0; iPath < cPaths; iPath++)
292	{
293	RTPrintf("---\n");
294	RTCrX509CertPathsDumpOne(hCertPaths, iPath, pState->cVerbose, RTStrmDumpPrintfV, g_pStdOut);
295	*pErrInfo->pszMsg = '\0';
296	}
297	RTPrintf("---\n");
298	}
299
300	/*
301	* Test signing certificates normally doesn't have all the necessary
302	* features required below. So, treat them as special cases.
303	*/
304	if ( hCertPaths == NIL_RTCRX509CERTPATHS
305	&& RTCrX509Name_Compare(&pCert->TbsCertificate.Issuer, &pCert->TbsCertificate.Subject) == 0)
306	{
307	RTMsgInfo("Test signed.\n");
308	return VINF_SUCCESS;
309	}
310
311	if (hCertPaths == NIL_RTCRX509CERTPATHS)
312	RTMsgInfo("Signed by trusted certificate.\n");
313
314	/*
315	* Standard code signing capabilites required.
316	*/
317	int rc = RTCrPkcs7VerifyCertCallbackCodeSigning(pCert, hCertPaths, NULL, pErrInfo);
318	if (RT_SUCCESS(rc))
319	{
320	/*
321	* If kernel signing, a valid certificate path must be anchored by the
322	* microsoft kernel signing root certificate. The only alternative is
323	* test signing.
324	*/
325	if (pState->fKernel && hCertPaths != NIL_RTCRX509CERTPATHS)
326	{
327	uint32_t cFound = 0;
328	uint32_t cValid = 0;
329	for (uint32_t iPath = 0; iPath < cPaths; iPath++)
330	{
331	bool fTrusted;
332	PCRTCRX509NAME pSubject;
333	PCRTCRX509SUBJECTPUBLICKEYINFO pPublicKeyInfo;
334	int rcVerify;
335	rc = RTCrX509CertPathsQueryPathInfo(hCertPaths, iPath, &fTrusted, NULL /pcNodes/, &pSubject, &pPublicKeyInfo,
336	NULL, NULL /pCertCtx/, &rcVerify);
337	AssertRCBreak(rc);
338
339	if (RT_SUCCESS(rcVerify))
340	{
341	Assert(fTrusted);
342	cValid++;
343
344	/* Search the kernel signing root store for a matching anchor. */
345	RTCRSTORECERTSEARCH Search;
346	rc = RTCrStoreCertFindBySubjectOrAltSubjectByRfc5280(pState->hKernelRootStore, pSubject, &Search);
347	AssertRCBreak(rc);
348	PCRTCRCERTCTX pCertCtx;
349	while ((pCertCtx = RTCrStoreCertSearchNext(pState->hKernelRootStore, &Search)) != NULL)
350	{
351	PCRTCRX509SUBJECTPUBLICKEYINFO pPubKeyInfo;
352	if (pCertCtx->pCert)
353	pPubKeyInfo = &pCertCtx->pCert->TbsCertificate.SubjectPublicKeyInfo;
354	else if (pCertCtx->pTaInfo)
355	pPubKeyInfo = &pCertCtx->pTaInfo->PubKey;
356	else
357	pPubKeyInfo = NULL;
358	if (RTCrX509SubjectPublicKeyInfo_Compare(pPubKeyInfo, pPublicKeyInfo) == 0)
359	cFound++;
360	RTCrCertCtxRelease(pCertCtx);
361	}
362
363	int rc2 = RTCrStoreCertSearchDestroy(pState->hKernelRootStore, &Search); AssertRC(rc2);
364	}
365	}
366	if (RT_SUCCESS(rc) && cFound == 0)
367	rc = RTErrInfoSetF(pErrInfo, VERR_GENERAL_FAILURE, "Not valid kernel code signature.");
368	if (RT_SUCCESS(rc) && cValid != 2)
369	RTMsgWarning("%u valid paths, expected 2", cValid);
370	}
371	}
372
373	return rc;
374	}
375
376
377	/** @callback_method_impl{FNRTLDRVALIDATESIGNEDDATA} */
378	static DECLCALLBACK(int) VerifyExeCallback(RTLDRMOD hLdrMod, RTLDRSIGNATURETYPE enmSignature,
379	void const *pvSignature, size_t cbSignature,
380	PRTERRINFO pErrInfo, void *pvUser)
381	{
382	VERIFYEXESTATE pState = (VERIFYEXESTATE )pvUser;
383	switch (enmSignature)
384	{
385	case RTLDRSIGNATURETYPE_PKCS7_SIGNED_DATA:
386	{
387	PCRTCRPKCS7CONTENTINFO pContentInfo = (PCRTCRPKCS7CONTENTINFO)pvSignature;
388
389	RTTIMESPEC ValidationTime;
390	RTTimeSpecSetSeconds(&ValidationTime, pState->uTimestamp);
391
392	/*
393	* Dump the signed data if so requested.
394	*/
395	if (pState->cVerbose)
396	RTAsn1Dump(&pContentInfo->SeqCore.Asn1Core, 0, 0, RTStrmDumpPrintfV, g_pStdOut);
397
398
399	/*
400	* Do the actual verification. Will have to modify this so it takes
401	* the authenticode policies into account.
402	*/
403	return RTCrPkcs7VerifySignedData(pContentInfo, 0, pState->hAdditionalStore, pState->hRootStore, &ValidationTime,
404	VerifyExecCertVerifyCallback, pState, pErrInfo);
405	}
406
407	default:
408	return RTErrInfoSetF(pErrInfo, VERR_NOT_SUPPORTED, "Unsupported signature type: %d", enmSignature);
409	}
410	return VINF_SUCCESS;
411	}
412
413	/** Worker for HandleVerifyExe. */
414	static RTEXITCODE HandleVerifyExeWorker(VERIFYEXESTATE pState, const char pszFilename, PRTERRINFOSTATIC pStaticErrInfo)
415	{
416	/*
417	* Open the executable image and verify it.
418	*/
419	RTLDRMOD hLdrMod;
420	int rc = RTLdrOpen(pszFilename, RTLDR_O_FOR_VALIDATION, pState->enmLdrArch, &hLdrMod);
421	if (RT_FAILURE(rc))
422	return RTMsgErrorExit(RTEXITCODE_FAILURE, "Error opening executable image '%s': %Rrc", pszFilename, rc);
423
424
425	rc = RTLdrQueryProp(hLdrMod, RTLDRPROP_TIMESTAMP_SECONDS, &pState->uTimestamp, sizeof(pState->uTimestamp));
426	if (RT_SUCCESS(rc))
427	{
428	rc = RTLdrVerifySignature(hLdrMod, VerifyExeCallback, pState, RTErrInfoInitStatic(pStaticErrInfo));
429	if (RT_SUCCESS(rc))
430	RTMsgInfo("'%s' is valid.\n", pszFilename);
431	else
432	RTMsgError("RTLdrVerifySignature failed on '%s': %Rrc - %s\n", pszFilename, rc, pStaticErrInfo->szMsg);
433	}
434	else
435	RTMsgError("RTLdrQueryProp/RTLDRPROP_TIMESTAMP_SECONDS failed on '%s': %Rrc\n", pszFilename, rc);
436
437	int rc2 = RTLdrClose(hLdrMod);
438	if (RT_FAILURE(rc2))
439	return RTMsgErrorExit(RTEXITCODE_FAILURE, "RTLdrClose failed: %Rrc\n", rc2);
440	if (RT_FAILURE(rc))
441	return rc != VERR_LDRVI_NOT_SIGNED ? RTEXITCODE_FAILURE : RTEXITCODE_SKIPPED;
442
443	return RTEXITCODE_SUCCESS;
444	}
445
446
447	static RTEXITCODE HandleVerifyExe(int cArgs, char **papszArgs)
448	{
449	RTERRINFOSTATIC StaticErrInfo;
450
451	/* Note! This code does not try to clean up the crypto stores on failure.
452	This is intentional as the code is only expected to be used in a
453	one-command-per-process environment where we do exit() upon
454	returning from this function. */
455
456	/*
457	* Parse arguments.
458	*/
459	static const RTGETOPTDEF s_aOptions[] =
460	{
461	{ "--kernel", 'k', RTGETOPT_REQ_NOTHING },
462	{ "--root", 'r', RTGETOPT_REQ_STRING },
463	{ "--additional", 'a', RTGETOPT_REQ_STRING },
464	{ "--add", 'a', RTGETOPT_REQ_STRING },
465	{ "--type", 't', RTGETOPT_REQ_STRING },
466	{ "--verbose", 'v', RTGETOPT_REQ_NOTHING },
467	{ "--quiet", 'q', RTGETOPT_REQ_NOTHING },
468	};
469
470	VERIFYEXESTATE State =
471	{
472	NIL_RTCRSTORE, NIL_RTCRSTORE, NIL_RTCRSTORE, false, false,
473	VERIFYEXESTATE::kSignType_Windows, 0, RTLDRARCH_WHATEVER
474	};
475	int rc = RTCrStoreCreateInMem(&State.hRootStore, 0);
476	if (RT_SUCCESS(rc))
477	rc = RTCrStoreCreateInMem(&State.hKernelRootStore, 0);
478	if (RT_SUCCESS(rc))
479	rc = RTCrStoreCreateInMem(&State.hAdditionalStore, 0);
480	if (RT_FAILURE(rc))
481	return RTMsgErrorExit(RTEXITCODE_FAILURE, "Error creating in-memory certificate store: %Rrc", rc);
482
483	RTGETOPTSTATE GetState;
484	rc = RTGetOptInit(&GetState, cArgs, papszArgs, s_aOptions, RT_ELEMENTS(s_aOptions), 1, RTGETOPTINIT_FLAGS_OPTS_FIRST);
485	AssertRCReturn(rc, RTEXITCODE_FAILURE);
486	RTGETOPTUNION ValueUnion;
487	int ch;
488	while ((ch = RTGetOpt(&GetState, &ValueUnion)) && ch != VINF_GETOPT_NOT_OPTION)
489	{
490	switch (ch)
491	{
492	case 'r': case 'a':
493	rc = RTCrStoreCertAddFromFile(ch == 'r' ? State.hRootStore : State.hAdditionalStore, 0, ValueUnion.psz,
494	RTErrInfoInitStatic(&StaticErrInfo));
495	if (RT_FAILURE(rc))
496	return RTMsgErrorExit(RTEXITCODE_FAILURE, "Error loading certificate '%s': %Rrc - %s",
497	ValueUnion.psz, rc, StaticErrInfo.szMsg);
498	break;
499
500	case 't':
501	if (!strcmp(ValueUnion.psz, "win") \|\| !strcmp(ValueUnion.psz, "windows"))
502	State.enmSignType = VERIFYEXESTATE::kSignType_Windows;
503	else if (!strcmp(ValueUnion.psz, "osx") \|\| !strcmp(ValueUnion.psz, "apple"))
504	State.enmSignType = VERIFYEXESTATE::kSignType_OSX;
505	else
506	return RTMsgErrorExit(RTEXITCODE_SYNTAX, "Unknown signing type: '%s'", ValueUnion.psz);
507	break;
508
509	case 'k': State.fKernel = true; break;
510	case 'v': State.cVerbose++; break;
511	case 'q': State.cVerbose = 0; break;
512	case 'V': return HandleVersion(cArgs, papszArgs);
513	case 'h': return HelpVerifyExe(g_pStdOut, RTSIGNTOOLHELP_FULL);
514	default: return RTGetOptPrintError(ch, &ValueUnion);
515	}
516	}
517	if (ch != VINF_GETOPT_NOT_OPTION)
518	return RTMsgErrorExit(RTEXITCODE_FAILURE, "No executable given.");
519
520	/*
521	* Populate the certificate stores according to the signing type.
522	*/
523	#ifdef VBOX
524	unsigned cSets = 0;
525	struct STSTORESET aSets[6];
526	#endif
527
528	switch (State.enmSignType)
529	{
530	case VERIFYEXESTATE::kSignType_Windows:
531	#ifdef VBOX
532	aSets[cSets].hStore = State.hRootStore;
533	aSets[cSets].paTAs = g_aSUPTimestampTAs;
534	aSets[cSets].cTAs = g_cSUPTimestampTAs;
535	cSets++;
536	aSets[cSets].hStore = State.hRootStore;
537	aSets[cSets].paTAs = g_aSUPSpcRootTAs;
538	aSets[cSets].cTAs = g_cSUPSpcRootTAs;
539	cSets++;
540	aSets[cSets].hStore = State.hRootStore;
541	aSets[cSets].paTAs = g_aSUPNtKernelRootTAs;
542	aSets[cSets].cTAs = g_cSUPNtKernelRootTAs;
543	cSets++;
544	aSets[cSets].hStore = State.hKernelRootStore;
545	aSets[cSets].paTAs = g_aSUPNtKernelRootTAs;
546	aSets[cSets].cTAs = g_cSUPNtKernelRootTAs;
547	cSets++;
548	#endif
549	break;
550
551	case VERIFYEXESTATE::kSignType_OSX:
552	return RTMsgErrorExit(RTEXITCODE_FAILURE, "Mac OS X executable signing is not implemented.");
553	}
554
555	#ifdef VBOX
556	for (unsigned i = 0; i < cSets; i++)
557	for (unsigned j = 0; j < aSets[i].cTAs; j++)
558	{
559	rc = RTCrStoreCertAddEncoded(aSets[i].hStore, RTCRCERTCTX_F_ENC_TAF_DER, aSets[i].paTAs[j].pch,
560	aSets[i].paTAs[j].cb, RTErrInfoInitStatic(&StaticErrInfo));
561	if (RT_FAILURE(rc))
562	return RTMsgErrorExit(RTEXITCODE_FAILURE, "RTCrStoreCertAddEncoded failed (%u/%u): %s",
563	i, j, StaticErrInfo.szMsg);
564	}
565	#endif
566
567	/*
568	* Do it.
569	*/
570	RTEXITCODE rcExit;
571	for (;;)
572	{
573	rcExit = HandleVerifyExeWorker(&State, ValueUnion.psz, &StaticErrInfo);
574	if (rcExit != RTEXITCODE_SUCCESS)
575	break;
576
577	/*
578	* Next file
579	*/
580	ch = RTGetOpt(&GetState, &ValueUnion);
581	if (ch == 0)
582	break;
583	if (ch != VINF_GETOPT_NOT_OPTION)
584	{
585	rcExit = RTGetOptPrintError(ch, &ValueUnion);
586	break;
587	}
588	}
589
590	/*
591	* Clean up.
592	*/
593	uint32_t cRefs;
594	cRefs = RTCrStoreRelease(State.hRootStore); Assert(cRefs == 0);
595	cRefs = RTCrStoreRelease(State.hKernelRootStore); Assert(cRefs == 0);
596	cRefs = RTCrStoreRelease(State.hAdditionalStore); Assert(cRefs == 0);
597
598	return rcExit;
599	}
600
601	#endif /* !IPRT_IN_BUILD_TOOL */
602
603	/*
604	* The 'make-tainfo' command.
605	*/
606	static RTEXITCODE HelpMakeTaInfo(PRTSTREAM pStrm, RTSIGNTOOLHELP enmLevel)
607	{
608	RTStrmPrintf(pStrm,
609	"make-tainfo [--verbose\|--quiet] [--cert <cert.der>] [-o\|--output] <tainfo.der>\n");
610	return RTEXITCODE_SUCCESS;
611	}
612
613
614	typedef struct MAKETAINFOSTATE
615	{
616	int cVerbose;
617	const char *pszCert;
618	const char *pszOutput;
619	} MAKETAINFOSTATE;
620
621
622	/** @callback_method_impl{FNRTASN1ENCODEWRITER} */
623	static DECLCALLBACK(int) handleMakeTaInfoWriter(const void pvBuf, size_t cbToWrite, void pvUser, PRTERRINFO pErrInfo)
624	{
625	return RTStrmWrite((PRTSTREAM)pvUser, pvBuf, cbToWrite);
626	}
627
628
629	static RTEXITCODE HandleMakeTaInfo(int cArgs, char **papszArgs)
630	{
631	/*
632	* Parse arguments.
633	*/
634	static const RTGETOPTDEF s_aOptions[] =
635	{
636	{ "--cert", 'c', RTGETOPT_REQ_STRING },
637	{ "--output", 'o', RTGETOPT_REQ_STRING },
638	{ "--verbose", 'v', RTGETOPT_REQ_NOTHING },
639	{ "--quiet", 'q', RTGETOPT_REQ_NOTHING },
640	};
641
642	RTLDRARCH enmLdrArch = RTLDRARCH_WHATEVER;
643	MAKETAINFOSTATE State = { 0, NULL, NULL };
644
645	RTGETOPTSTATE GetState;
646	int rc = RTGetOptInit(&GetState, cArgs, papszArgs, s_aOptions, RT_ELEMENTS(s_aOptions), 1, RTGETOPTINIT_FLAGS_OPTS_FIRST);
647	AssertRCReturn(rc, RTEXITCODE_FAILURE);
648	RTGETOPTUNION ValueUnion;
649	int ch;
650	while ((ch = RTGetOpt(&GetState, &ValueUnion)) != 0)
651	{
652	switch (ch)
653	{
654	case 'c':
655	if (State.pszCert)
656	return RTMsgErrorExit(RTEXITCODE_FAILURE, "The --cert option can only be used once.");
657	State.pszCert = ValueUnion.psz;
658	break;
659
660	case 'o':
661	case VINF_GETOPT_NOT_OPTION:
662	if (State.pszOutput)
663	return RTMsgErrorExit(RTEXITCODE_FAILURE, "Multiple output files specified.");
664	State.pszOutput = ValueUnion.psz;
665	break;
666
667	case 'v': State.cVerbose++; break;
668	case 'q': State.cVerbose = 0; break;
669	case 'V': return HandleVersion(cArgs, papszArgs);
670	case 'h': return HelpMakeTaInfo(g_pStdOut, RTSIGNTOOLHELP_FULL);
671	default: return RTGetOptPrintError(ch, &ValueUnion);
672	}
673	}
674	if (!State.pszCert)
675	return RTMsgErrorExit(RTEXITCODE_FAILURE, "No input certificate was specified.");
676	if (!State.pszOutput)
677	return RTMsgErrorExit(RTEXITCODE_FAILURE, "No output file was specified.");
678
679	/*
680	* Read the certificate.
681	*/
682	RTERRINFOSTATIC StaticErrInfo;
683	RTCRX509CERTIFICATE Certificate;
684	rc = RTCrX509Certificate_ReadFromFile(&Certificate, State.pszCert, 0, &g_RTAsn1DefaultAllocator,
685	RTErrInfoInitStatic(&StaticErrInfo));
686	if (RT_FAILURE(rc))
687	return RTMsgErrorExit(RTEXITCODE_FAILURE, "Error reading certificate from %s: %Rrc - %s",
688	State.pszCert, rc, StaticErrInfo.szMsg);
689	/*
690	* Construct the trust anchor information.
691	*/
692	RTCRTAFTRUSTANCHORINFO TrustAnchor;
693	rc = RTCrTafTrustAnchorInfo_Init(&TrustAnchor, &g_RTAsn1DefaultAllocator);
694	if (RT_SUCCESS(rc))
695	{
696	/* Public key. */
697	Assert(RTCrX509SubjectPublicKeyInfo_IsPresent(&TrustAnchor.PubKey));
698	RTCrX509SubjectPublicKeyInfo_Delete(&TrustAnchor.PubKey);
699	rc = RTCrX509SubjectPublicKeyInfo_Clone(&TrustAnchor.PubKey, &Certificate.TbsCertificate.SubjectPublicKeyInfo,
700	&g_RTAsn1DefaultAllocator);
701	if (RT_FAILURE(rc))
702	RTMsgError("RTCrX509SubjectPublicKeyInfo_Clone failed: %Rrc", rc);
703	RTAsn1Core_ResetImplict(RTCrX509SubjectPublicKeyInfo_GetAsn1Core(&TrustAnchor.PubKey)); /* temporary hack. */
704
705	/* Key Identifier. */
706	PCRTASN1OCTETSTRING pKeyIdentifier = NULL;
707	if (Certificate.TbsCertificate.T3.fFlags & RTCRX509TBSCERTIFICATE_F_PRESENT_SUBJECT_KEY_IDENTIFIER)
708	pKeyIdentifier = Certificate.TbsCertificate.T3.pSubjectKeyIdentifier;
709	else if ( (Certificate.TbsCertificate.T3.fFlags & RTCRX509TBSCERTIFICATE_F_PRESENT_AUTHORITY_KEY_IDENTIFIER)
710	&& RTCrX509Certificate_IsSelfSigned(&Certificate)
711	&& RTAsn1OctetString_IsPresent(&Certificate.TbsCertificate.T3.pAuthorityKeyIdentifier->KeyIdentifier) )
712	pKeyIdentifier = &Certificate.TbsCertificate.T3.pAuthorityKeyIdentifier->KeyIdentifier;
713	else if ( (Certificate.TbsCertificate.T3.fFlags & RTCRX509TBSCERTIFICATE_F_PRESENT_OLD_AUTHORITY_KEY_IDENTIFIER)
714	&& RTCrX509Certificate_IsSelfSigned(&Certificate)
715	&& RTAsn1OctetString_IsPresent(&Certificate.TbsCertificate.T3.pOldAuthorityKeyIdentifier->KeyIdentifier) )
716	pKeyIdentifier = &Certificate.TbsCertificate.T3.pOldAuthorityKeyIdentifier->KeyIdentifier;
717	if (pKeyIdentifier && pKeyIdentifier->Asn1Core.cb > 0)
718	{
719	Assert(RTAsn1OctetString_IsPresent(&TrustAnchor.KeyIdentifier));
720	RTAsn1OctetString_Delete(&TrustAnchor.KeyIdentifier);
721	rc = RTAsn1OctetString_Clone(&TrustAnchor.KeyIdentifier, pKeyIdentifier, &g_RTAsn1DefaultAllocator);
722	if (RT_FAILURE(rc))
723	RTMsgError("RTAsn1OctetString_Clone failed: %Rrc", rc);
724	RTAsn1Core_ResetImplict(RTAsn1OctetString_GetAsn1Core(&TrustAnchor.KeyIdentifier)); /* temporary hack. */
725	}
726	else
727	RTMsgWarning("No key identifier found or has zero length.");
728
729	/* Subject */
730	if (RT_SUCCESS(rc))
731	{
732	Assert(!RTCrTafCertPathControls_IsPresent(&TrustAnchor.CertPath));
733	rc = RTCrTafCertPathControls_Init(&TrustAnchor.CertPath, &g_RTAsn1DefaultAllocator);
734	if (RT_SUCCESS(rc))
735	{
736	Assert(RTCrX509Name_IsPresent(&TrustAnchor.CertPath.TaName));
737	RTCrX509Name_Delete(&TrustAnchor.CertPath.TaName);
738	rc = RTCrX509Name_Clone(&TrustAnchor.CertPath.TaName, &Certificate.TbsCertificate.Subject,
739	&g_RTAsn1DefaultAllocator);
740	if (RT_SUCCESS(rc))
741	{
742	RTAsn1Core_ResetImplict(RTCrX509Name_GetAsn1Core(&TrustAnchor.CertPath.TaName)); /* temporary hack. */
743	rc = RTCrX509Name_RecodeAsUtf8(&TrustAnchor.CertPath.TaName, &g_RTAsn1DefaultAllocator);
744	if (RT_FAILURE(rc))
745	RTMsgError("RTCrX509Name_RecodeAsUtf8 failed: %Rrc", rc);
746	}
747	else
748	RTMsgError("RTCrX509Name_Clone failed: %Rrc", rc);
749	}
750	else
751	RTMsgError("RTCrTafCertPathControls_Init failed: %Rrc", rc);
752	}
753
754	/* Check that what we've constructed makes some sense. */
755	if (RT_SUCCESS(rc))
756	{
757	rc = RTCrTafTrustAnchorInfo_CheckSanity(&TrustAnchor, 0, RTErrInfoInitStatic(&StaticErrInfo), "TAI");
758	if (RT_FAILURE(rc))
759	RTMsgError("RTCrTafTrustAnchorInfo_CheckSanity failed: %Rrc - %s", rc, StaticErrInfo.szMsg);
760	}
761
762	if (RT_SUCCESS(rc))
763	{
764	/*
765	* Encode it and write it to the output file.
766	*/
767	uint32_t cbEncoded;
768	rc = RTAsn1EncodePrepare(RTCrTafTrustAnchorInfo_GetAsn1Core(&TrustAnchor), RTASN1ENCODE_F_DER, &cbEncoded,
769	RTErrInfoInitStatic(&StaticErrInfo));
770	if (RT_SUCCESS(rc))
771	{
772	if (State.cVerbose >= 1)
773	RTAsn1Dump(RTCrTafTrustAnchorInfo_GetAsn1Core(&TrustAnchor), 0, 0, RTStrmDumpPrintfV, g_pStdOut);
774
775	PRTSTREAM pStrm;
776	rc = RTStrmOpen(State.pszOutput, "wb", &pStrm);
777	if (RT_SUCCESS(rc))
778	{
779	rc = RTAsn1EncodeWrite(RTCrTafTrustAnchorInfo_GetAsn1Core(&TrustAnchor), RTASN1ENCODE_F_DER,
780	handleMakeTaInfoWriter, pStrm, RTErrInfoInitStatic(&StaticErrInfo));
781	if (RT_SUCCESS(rc))
782	{
783	rc = RTStrmClose(pStrm);
784	if (RT_SUCCESS(rc))
785	RTMsgInfo("Successfully wrote TrustedAnchorInfo to '%s'.", State.pszOutput);
786	else
787	RTMsgError("RTStrmClose failed: %Rrc");
788	}
789	else
790	{
791	RTMsgError("RTAsn1EncodeWrite failed: %Rrc - %s", rc, StaticErrInfo.szMsg);
792	RTStrmClose(pStrm);
793	}
794	}
795	else
796	RTMsgError("Error opening '%s' for writing: %Rrcs", State.pszOutput, rc);
797	}
798	else
799	RTMsgError("RTAsn1EncodePrepare failed: %Rrc - %s", rc, StaticErrInfo.szMsg);
800	}
801
802	RTCrTafTrustAnchorInfo_Delete(&TrustAnchor);
803	}
804	else
805	RTMsgError("RTCrTafTrustAnchorInfo_Init failed: %Rrc", rc);
806
807	RTCrX509Certificate_Delete(&Certificate);
808	return RT_SUCCESS(rc) ? RTEXITCODE_SUCCESS : RTEXITCODE_FAILURE;
809	}
810
811
812
813	/*
814	* The 'version' command.
815	*/
816	static RTEXITCODE HelpVersion(PRTSTREAM pStrm, RTSIGNTOOLHELP enmLevel)
817	{
818	RTStrmPrintf(pStrm, "version\n");
819	return RTEXITCODE_SUCCESS;
820	}
821
822	static RTEXITCODE HandleVersion(int cArgs, char **papszArgs)
823	{
824	RTPrintf("%s\n", RTBldCfgVersion());
825	return RTEXITCODE_SUCCESS;
826	}
827
828
829
830	/**
831	* Command mapping.
832	*/
833	static struct
834	{
835	/** The command. */
836	const char *pszCmd;
837	/**
838	* Handle the command.
839	* @returns Program exit code.
840	* @param cArgs Number of arguments.
841	* @param papszArgs The argument vector, starting with the command name.
842	*/
843	RTEXITCODE (pfnHandler)(int cArgs, char *papszArgs);
844	/**
845	* Produce help.
846	* @returns RTEXITCODE_SUCCESS to simplify handling '--help' in the handler.
847	* @param pStrm Where to send help text.
848	* @param enmLevel The level of the help information.
849	*/
850	RTEXITCODE (*pfnHelp)(PRTSTREAM pStrm, RTSIGNTOOLHELP enmLevel);
851	}
852	/** Mapping commands to handler and helper functions. */
853	const g_aCommands[] =
854	{
855	{ "extract-exe-signer-cert", HandleExtractExeSignerCert, HelpExtractExeSignerCert },
856	#ifndef IPRT_IN_BUILD_TOOL
857	{ "verify-exe", HandleVerifyExe, HelpVerifyExe },
858	#endif
859	{ "make-tainfo", HandleMakeTaInfo, HelpMakeTaInfo },
860	{ "help", HandleHelp, HelpHelp },
861	{ "--help", HandleHelp, NULL },
862	{ "-h", HandleHelp, NULL },
863	{ "version", HandleVersion, HelpVersion },
864	{ "--version", HandleVersion, NULL },
865	{ "-V", HandleVersion, NULL },
866	};
867
868
869	/*
870	* The 'help' command.
871	*/
872	static RTEXITCODE HelpHelp(PRTSTREAM pStrm, RTSIGNTOOLHELP enmLevel)
873	{
874	RTStrmPrintf(pStrm, "help [cmd-patterns]\n");
875	return RTEXITCODE_SUCCESS;
876	}
877
878	static RTEXITCODE HandleHelp(int cArgs, char **papszArgs)
879	{
880	RTSIGNTOOLHELP enmLevel = cArgs <= 1 ? RTSIGNTOOLHELP_USAGE : RTSIGNTOOLHELP_FULL;
881	uint32_t cShowed = 0;
882	for (uint32_t iCmd = 0; iCmd < RT_ELEMENTS(g_aCommands); iCmd++)
883	{
884	if (g_aCommands[iCmd].pfnHelp)
885	{
886	bool fShow;
887	if (cArgs <= 1)
888	fShow = true;
889	else
890	{
891	for (int iArg = 1; iArg < cArgs; iArg++)
892	if (RTStrSimplePatternMultiMatch(papszArgs[iArg], RTSTR_MAX, g_aCommands[iCmd].pszCmd, RTSTR_MAX, NULL))
893	{
894	fShow = true;
895	break;
896	}
897	}
898	if (fShow)
899	{
900	g_aCommands[iCmd].pfnHelp(g_pStdOut, enmLevel);
901	cShowed++;
902	}
903	}
904	}
905	return cShowed ? RTEXITCODE_SUCCESS : RTEXITCODE_FAILURE;
906	}
907
908
909
910	int main(int argc, char **argv)
911	{
912	int rc = RTR3InitExe(argc, &argv, 0);
913	if (RT_FAILURE(rc))
914	return RTMsgInitFailure(rc);
915
916	/*
917	* Parse global arguments.
918	*/
919	int iArg = 1;
920	/* none presently. */
921
922	/*
923	* Command dispatcher.
924	*/
925	if (iArg < argc)
926	{
927	const char *pszCmd = argv[iArg];
928	uint32_t i = RT_ELEMENTS(g_aCommands);
929	while (i-- > 0)
930	if (!strcmp(g_aCommands[i].pszCmd, pszCmd))
931	return g_aCommands[i].pfnHandler(argc - iArg, &argv[iArg]);
932	RTMsgError("Unknown command '%s'.", pszCmd);
933	}
934	else
935	RTMsgError("No command given. (try --help)");
936
937	return RTEXITCODE_SYNTAX;
938	}
939
940

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source: vbox/trunk/src/VBox/Runtime/tools/RTSignTool.cpp@ 52049

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