RTSignTool.cpp@ 58268

Last change on this file since 58268 was 57572, checked in by vboxsync, 9 years ago
IPRT: Started on accessing system certificate stores to get SSL roots for cURL.
Property svn:eol-style set to `native` Property svn:keywords set to `Author Date Id Revision`
File size: 35.9 KB

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1	/* $Id: RTSignTool.cpp 57572 2015-08-28 01:31:29Z vboxsync $ */
2	/** @file
3	* IPRT - Signing Tool.
4	*/
5
6	/*
7	* Copyright (C) 2006-2015 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, NULL /pvBits/, 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, NULL /pvBits/, 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 = RTCrPkcs7SetOfCerts_FindX509ByIssuerAndSerialNumber(&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{FNRTCRPKCS7VERIFYCERTCALLBACK,
278	* Standard code signing. Use this for Microsoft SPC.}
279	*/
280	static DECLCALLBACK(int) VerifyExecCertVerifyCallback(PCRTCRX509CERTIFICATE pCert, RTCRX509CERTPATHS hCertPaths, uint32_t fFlags,
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, fFlags, NULL, pErrInfo);
318	if ( RT_SUCCESS(rc)
319	&& (fFlags & RTCRPKCS7VCC_F_SIGNED_DATA))
320	{
321	/*
322	* If kernel signing, a valid certificate path must be anchored by the
323	* microsoft kernel signing root certificate. The only alternative is
324	* test signing.
325	*/
326	if (pState->fKernel && hCertPaths != NIL_RTCRX509CERTPATHS)
327	{
328	uint32_t cFound = 0;
329	uint32_t cValid = 0;
330	for (uint32_t iPath = 0; iPath < cPaths; iPath++)
331	{
332	bool fTrusted;
333	PCRTCRX509NAME pSubject;
334	PCRTCRX509SUBJECTPUBLICKEYINFO pPublicKeyInfo;
335	int rcVerify;
336	rc = RTCrX509CertPathsQueryPathInfo(hCertPaths, iPath, &fTrusted, NULL /pcNodes/, &pSubject, &pPublicKeyInfo,
337	NULL, NULL /pCertCtx/, &rcVerify);
338	AssertRCBreak(rc);
339
340	if (RT_SUCCESS(rcVerify))
341	{
342	Assert(fTrusted);
343	cValid++;
344
345	/* Search the kernel signing root store for a matching anchor. */
346	RTCRSTORECERTSEARCH Search;
347	rc = RTCrStoreCertFindBySubjectOrAltSubjectByRfc5280(pState->hKernelRootStore, pSubject, &Search);
348	AssertRCBreak(rc);
349	PCRTCRCERTCTX pCertCtx;
350	while ((pCertCtx = RTCrStoreCertSearchNext(pState->hKernelRootStore, &Search)) != NULL)
351	{
352	PCRTCRX509SUBJECTPUBLICKEYINFO pPubKeyInfo;
353	if (pCertCtx->pCert)
354	pPubKeyInfo = &pCertCtx->pCert->TbsCertificate.SubjectPublicKeyInfo;
355	else if (pCertCtx->pTaInfo)
356	pPubKeyInfo = &pCertCtx->pTaInfo->PubKey;
357	else
358	pPubKeyInfo = NULL;
359	if (RTCrX509SubjectPublicKeyInfo_Compare(pPubKeyInfo, pPublicKeyInfo) == 0)
360	cFound++;
361	RTCrCertCtxRelease(pCertCtx);
362	}
363
364	int rc2 = RTCrStoreCertSearchDestroy(pState->hKernelRootStore, &Search); AssertRC(rc2);
365	}
366	}
367	if (RT_SUCCESS(rc) && cFound == 0)
368	rc = RTErrInfoSetF(pErrInfo, VERR_GENERAL_FAILURE, "Not valid kernel code signature.");
369	if (RT_SUCCESS(rc) && cValid != 2)
370	RTMsgWarning("%u valid paths, expected 2", cValid);
371	}
372	}
373
374	return rc;
375	}
376
377
378	/** @callback_method_impl{FNRTLDRVALIDATESIGNEDDATA} */
379	static DECLCALLBACK(int) VerifyExeCallback(RTLDRMOD hLdrMod, RTLDRSIGNATURETYPE enmSignature,
380	void const *pvSignature, size_t cbSignature,
381	PRTERRINFO pErrInfo, void *pvUser)
382	{
383	VERIFYEXESTATE pState = (VERIFYEXESTATE )pvUser;
384	switch (enmSignature)
385	{
386	case RTLDRSIGNATURETYPE_PKCS7_SIGNED_DATA:
387	{
388	PCRTCRPKCS7CONTENTINFO pContentInfo = (PCRTCRPKCS7CONTENTINFO)pvSignature;
389
390	RTTIMESPEC ValidationTime;
391	RTTimeSpecSetSeconds(&ValidationTime, pState->uTimestamp);
392
393	/*
394	* Dump the signed data if so requested.
395	*/
396	if (pState->cVerbose)
397	RTAsn1Dump(&pContentInfo->SeqCore.Asn1Core, 0, 0, RTStrmDumpPrintfV, g_pStdOut);
398
399
400	/*
401	* Do the actual verification. Will have to modify this so it takes
402	* the authenticode policies into account.
403	*/
404	return RTCrPkcs7VerifySignedData(pContentInfo,
405	RTCRPKCS7VERIFY_SD_F_COUNTER_SIGNATURE_SIGNING_TIME_ONLY
406	\| RTCRPKCS7VERIFY_SD_F_ALWAYS_USE_SIGNING_TIME_IF_PRESENT
407	\| RTCRPKCS7VERIFY_SD_F_ALWAYS_USE_MS_TIMESTAMP_IF_PRESENT,
408	pState->hAdditionalStore, pState->hRootStore, &ValidationTime,
409	VerifyExecCertVerifyCallback, pState, pErrInfo);
410	}
411
412	default:
413	return RTErrInfoSetF(pErrInfo, VERR_NOT_SUPPORTED, "Unsupported signature type: %d", enmSignature);
414	}
415	return VINF_SUCCESS;
416	}
417
418	/** Worker for HandleVerifyExe. */
419	static RTEXITCODE HandleVerifyExeWorker(VERIFYEXESTATE pState, const char pszFilename, PRTERRINFOSTATIC pStaticErrInfo)
420	{
421	/*
422	* Open the executable image and verify it.
423	*/
424	RTLDRMOD hLdrMod;
425	int rc = RTLdrOpen(pszFilename, RTLDR_O_FOR_VALIDATION, pState->enmLdrArch, &hLdrMod);
426	if (RT_FAILURE(rc))
427	return RTMsgErrorExit(RTEXITCODE_FAILURE, "Error opening executable image '%s': %Rrc", pszFilename, rc);
428
429
430	rc = RTLdrQueryProp(hLdrMod, RTLDRPROP_TIMESTAMP_SECONDS, &pState->uTimestamp, sizeof(pState->uTimestamp));
431	if (RT_SUCCESS(rc))
432	{
433	rc = RTLdrVerifySignature(hLdrMod, VerifyExeCallback, pState, RTErrInfoInitStatic(pStaticErrInfo));
434	if (RT_SUCCESS(rc))
435	RTMsgInfo("'%s' is valid.\n", pszFilename);
436	else
437	RTMsgError("RTLdrVerifySignature failed on '%s': %Rrc - %s\n", pszFilename, rc, pStaticErrInfo->szMsg);
438	}
439	else
440	RTMsgError("RTLdrQueryProp/RTLDRPROP_TIMESTAMP_SECONDS failed on '%s': %Rrc\n", pszFilename, rc);
441
442	int rc2 = RTLdrClose(hLdrMod);
443	if (RT_FAILURE(rc2))
444	return RTMsgErrorExit(RTEXITCODE_FAILURE, "RTLdrClose failed: %Rrc\n", rc2);
445	if (RT_FAILURE(rc))
446	return rc != VERR_LDRVI_NOT_SIGNED ? RTEXITCODE_FAILURE : RTEXITCODE_SKIPPED;
447
448	return RTEXITCODE_SUCCESS;
449	}
450
451
452	static RTEXITCODE HandleVerifyExe(int cArgs, char **papszArgs)
453	{
454	RTERRINFOSTATIC StaticErrInfo;
455
456	/* Note! This code does not try to clean up the crypto stores on failure.
457	This is intentional as the code is only expected to be used in a
458	one-command-per-process environment where we do exit() upon
459	returning from this function. */
460
461	/*
462	* Parse arguments.
463	*/
464	static const RTGETOPTDEF s_aOptions[] =
465	{
466	{ "--kernel", 'k', RTGETOPT_REQ_NOTHING },
467	{ "--root", 'r', RTGETOPT_REQ_STRING },
468	{ "--additional", 'a', RTGETOPT_REQ_STRING },
469	{ "--add", 'a', RTGETOPT_REQ_STRING },
470	{ "--type", 't', RTGETOPT_REQ_STRING },
471	{ "--verbose", 'v', RTGETOPT_REQ_NOTHING },
472	{ "--quiet", 'q', RTGETOPT_REQ_NOTHING },
473	};
474
475	VERIFYEXESTATE State =
476	{
477	NIL_RTCRSTORE, NIL_RTCRSTORE, NIL_RTCRSTORE, false, false,
478	VERIFYEXESTATE::kSignType_Windows, 0, RTLDRARCH_WHATEVER
479	};
480	int rc = RTCrStoreCreateInMem(&State.hRootStore, 0);
481	if (RT_SUCCESS(rc))
482	rc = RTCrStoreCreateInMem(&State.hKernelRootStore, 0);
483	if (RT_SUCCESS(rc))
484	rc = RTCrStoreCreateInMem(&State.hAdditionalStore, 0);
485	if (RT_FAILURE(rc))
486	return RTMsgErrorExit(RTEXITCODE_FAILURE, "Error creating in-memory certificate store: %Rrc", rc);
487
488	RTGETOPTSTATE GetState;
489	rc = RTGetOptInit(&GetState, cArgs, papszArgs, s_aOptions, RT_ELEMENTS(s_aOptions), 1, RTGETOPTINIT_FLAGS_OPTS_FIRST);
490	AssertRCReturn(rc, RTEXITCODE_FAILURE);
491	RTGETOPTUNION ValueUnion;
492	int ch;
493	while ((ch = RTGetOpt(&GetState, &ValueUnion)) && ch != VINF_GETOPT_NOT_OPTION)
494	{
495	switch (ch)
496	{
497	case 'r': case 'a':
498	rc = RTCrStoreCertAddFromFile(ch == 'r' ? State.hRootStore : State.hAdditionalStore,
499	RTCRCERTCTX_F_ADD_IF_NOT_FOUND \| RTCRCERTCTX_F_ADD_CONTINUE_ON_ERROR,
500	ValueUnion.psz, RTErrInfoInitStatic(&StaticErrInfo));
501	if (RT_FAILURE(rc))
502	return RTMsgErrorExit(RTEXITCODE_FAILURE, "Error loading certificate '%s': %Rrc - %s",
503	ValueUnion.psz, rc, StaticErrInfo.szMsg);
504	if (RTErrInfoIsSet(&StaticErrInfo.Core))
505	RTMsgWarning("Warnings loading certificate '%s': %s", ValueUnion.psz, StaticErrInfo.szMsg);
506	break;
507
508	case 't':
509	if (!strcmp(ValueUnion.psz, "win") \|\| !strcmp(ValueUnion.psz, "windows"))
510	State.enmSignType = VERIFYEXESTATE::kSignType_Windows;
511	else if (!strcmp(ValueUnion.psz, "osx") \|\| !strcmp(ValueUnion.psz, "apple"))
512	State.enmSignType = VERIFYEXESTATE::kSignType_OSX;
513	else
514	return RTMsgErrorExit(RTEXITCODE_SYNTAX, "Unknown signing type: '%s'", ValueUnion.psz);
515	break;
516
517	case 'k': State.fKernel = true; break;
518	case 'v': State.cVerbose++; break;
519	case 'q': State.cVerbose = 0; break;
520	case 'V': return HandleVersion(cArgs, papszArgs);
521	case 'h': return HelpVerifyExe(g_pStdOut, RTSIGNTOOLHELP_FULL);
522	default: return RTGetOptPrintError(ch, &ValueUnion);
523	}
524	}
525	if (ch != VINF_GETOPT_NOT_OPTION)
526	return RTMsgErrorExit(RTEXITCODE_FAILURE, "No executable given.");
527
528	/*
529	* Populate the certificate stores according to the signing type.
530	*/
531	#ifdef VBOX
532	unsigned cSets = 0;
533	struct STSTORESET aSets[6];
534	#endif
535
536	switch (State.enmSignType)
537	{
538	case VERIFYEXESTATE::kSignType_Windows:
539	#ifdef VBOX
540	aSets[cSets].hStore = State.hRootStore;
541	aSets[cSets].paTAs = g_aSUPTimestampTAs;
542	aSets[cSets].cTAs = g_cSUPTimestampTAs;
543	cSets++;
544	aSets[cSets].hStore = State.hRootStore;
545	aSets[cSets].paTAs = g_aSUPSpcRootTAs;
546	aSets[cSets].cTAs = g_cSUPSpcRootTAs;
547	cSets++;
548	aSets[cSets].hStore = State.hRootStore;
549	aSets[cSets].paTAs = g_aSUPNtKernelRootTAs;
550	aSets[cSets].cTAs = g_cSUPNtKernelRootTAs;
551	cSets++;
552	aSets[cSets].hStore = State.hKernelRootStore;
553	aSets[cSets].paTAs = g_aSUPNtKernelRootTAs;
554	aSets[cSets].cTAs = g_cSUPNtKernelRootTAs;
555	cSets++;
556	#endif
557	break;
558
559	case VERIFYEXESTATE::kSignType_OSX:
560	return RTMsgErrorExit(RTEXITCODE_FAILURE, "Mac OS X executable signing is not implemented.");
561	}
562
563	#ifdef VBOX
564	for (unsigned i = 0; i < cSets; i++)
565	for (unsigned j = 0; j < aSets[i].cTAs; j++)
566	{
567	rc = RTCrStoreCertAddEncoded(aSets[i].hStore, RTCRCERTCTX_F_ENC_TAF_DER, aSets[i].paTAs[j].pch,
568	aSets[i].paTAs[j].cb, RTErrInfoInitStatic(&StaticErrInfo));
569	if (RT_FAILURE(rc))
570	return RTMsgErrorExit(RTEXITCODE_FAILURE, "RTCrStoreCertAddEncoded failed (%u/%u): %s",
571	i, j, StaticErrInfo.szMsg);
572	}
573	#endif
574
575	/*
576	* Do it.
577	*/
578	RTEXITCODE rcExit;
579	for (;;)
580	{
581	rcExit = HandleVerifyExeWorker(&State, ValueUnion.psz, &StaticErrInfo);
582	if (rcExit != RTEXITCODE_SUCCESS)
583	break;
584
585	/*
586	* Next file
587	*/
588	ch = RTGetOpt(&GetState, &ValueUnion);
589	if (ch == 0)
590	break;
591	if (ch != VINF_GETOPT_NOT_OPTION)
592	{
593	rcExit = RTGetOptPrintError(ch, &ValueUnion);
594	break;
595	}
596	}
597
598	/*
599	* Clean up.
600	*/
601	uint32_t cRefs;
602	cRefs = RTCrStoreRelease(State.hRootStore); Assert(cRefs == 0);
603	cRefs = RTCrStoreRelease(State.hKernelRootStore); Assert(cRefs == 0);
604	cRefs = RTCrStoreRelease(State.hAdditionalStore); Assert(cRefs == 0);
605
606	return rcExit;
607	}
608
609	#endif /* !IPRT_IN_BUILD_TOOL */
610
611	/*
612	* The 'make-tainfo' command.
613	*/
614	static RTEXITCODE HelpMakeTaInfo(PRTSTREAM pStrm, RTSIGNTOOLHELP enmLevel)
615	{
616	RTStrmPrintf(pStrm,
617	"make-tainfo [--verbose\|--quiet] [--cert <cert.der>] [-o\|--output] <tainfo.der>\n");
618	return RTEXITCODE_SUCCESS;
619	}
620
621
622	typedef struct MAKETAINFOSTATE
623	{
624	int cVerbose;
625	const char *pszCert;
626	const char *pszOutput;
627	} MAKETAINFOSTATE;
628
629
630	/** @callback_method_impl{FNRTASN1ENCODEWRITER} */
631	static DECLCALLBACK(int) handleMakeTaInfoWriter(const void pvBuf, size_t cbToWrite, void pvUser, PRTERRINFO pErrInfo)
632	{
633	return RTStrmWrite((PRTSTREAM)pvUser, pvBuf, cbToWrite);
634	}
635
636
637	static RTEXITCODE HandleMakeTaInfo(int cArgs, char **papszArgs)
638	{
639	/*
640	* Parse arguments.
641	*/
642	static const RTGETOPTDEF s_aOptions[] =
643	{
644	{ "--cert", 'c', RTGETOPT_REQ_STRING },
645	{ "--output", 'o', RTGETOPT_REQ_STRING },
646	{ "--verbose", 'v', RTGETOPT_REQ_NOTHING },
647	{ "--quiet", 'q', RTGETOPT_REQ_NOTHING },
648	};
649
650	RTLDRARCH enmLdrArch = RTLDRARCH_WHATEVER;
651	MAKETAINFOSTATE State = { 0, NULL, NULL };
652
653	RTGETOPTSTATE GetState;
654	int rc = RTGetOptInit(&GetState, cArgs, papszArgs, s_aOptions, RT_ELEMENTS(s_aOptions), 1, RTGETOPTINIT_FLAGS_OPTS_FIRST);
655	AssertRCReturn(rc, RTEXITCODE_FAILURE);
656	RTGETOPTUNION ValueUnion;
657	int ch;
658	while ((ch = RTGetOpt(&GetState, &ValueUnion)) != 0)
659	{
660	switch (ch)
661	{
662	case 'c':
663	if (State.pszCert)
664	return RTMsgErrorExit(RTEXITCODE_FAILURE, "The --cert option can only be used once.");
665	State.pszCert = ValueUnion.psz;
666	break;
667
668	case 'o':
669	case VINF_GETOPT_NOT_OPTION:
670	if (State.pszOutput)
671	return RTMsgErrorExit(RTEXITCODE_FAILURE, "Multiple output files specified.");
672	State.pszOutput = ValueUnion.psz;
673	break;
674
675	case 'v': State.cVerbose++; break;
676	case 'q': State.cVerbose = 0; break;
677	case 'V': return HandleVersion(cArgs, papszArgs);
678	case 'h': return HelpMakeTaInfo(g_pStdOut, RTSIGNTOOLHELP_FULL);
679	default: return RTGetOptPrintError(ch, &ValueUnion);
680	}
681	}
682	if (!State.pszCert)
683	return RTMsgErrorExit(RTEXITCODE_FAILURE, "No input certificate was specified.");
684	if (!State.pszOutput)
685	return RTMsgErrorExit(RTEXITCODE_FAILURE, "No output file was specified.");
686
687	/*
688	* Read the certificate.
689	*/
690	RTERRINFOSTATIC StaticErrInfo;
691	RTCRX509CERTIFICATE Certificate;
692	rc = RTCrX509Certificate_ReadFromFile(&Certificate, State.pszCert, 0, &g_RTAsn1DefaultAllocator,
693	RTErrInfoInitStatic(&StaticErrInfo));
694	if (RT_FAILURE(rc))
695	return RTMsgErrorExit(RTEXITCODE_FAILURE, "Error reading certificate from %s: %Rrc - %s",
696	State.pszCert, rc, StaticErrInfo.szMsg);
697	/*
698	* Construct the trust anchor information.
699	*/
700	RTCRTAFTRUSTANCHORINFO TrustAnchor;
701	rc = RTCrTafTrustAnchorInfo_Init(&TrustAnchor, &g_RTAsn1DefaultAllocator);
702	if (RT_SUCCESS(rc))
703	{
704	/* Public key. */
705	Assert(RTCrX509SubjectPublicKeyInfo_IsPresent(&TrustAnchor.PubKey));
706	RTCrX509SubjectPublicKeyInfo_Delete(&TrustAnchor.PubKey);
707	rc = RTCrX509SubjectPublicKeyInfo_Clone(&TrustAnchor.PubKey, &Certificate.TbsCertificate.SubjectPublicKeyInfo,
708	&g_RTAsn1DefaultAllocator);
709	if (RT_FAILURE(rc))
710	RTMsgError("RTCrX509SubjectPublicKeyInfo_Clone failed: %Rrc", rc);
711	RTAsn1Core_ResetImplict(RTCrX509SubjectPublicKeyInfo_GetAsn1Core(&TrustAnchor.PubKey)); /* temporary hack. */
712
713	/* Key Identifier. */
714	PCRTASN1OCTETSTRING pKeyIdentifier = NULL;
715	if (Certificate.TbsCertificate.T3.fFlags & RTCRX509TBSCERTIFICATE_F_PRESENT_SUBJECT_KEY_IDENTIFIER)
716	pKeyIdentifier = Certificate.TbsCertificate.T3.pSubjectKeyIdentifier;
717	else if ( (Certificate.TbsCertificate.T3.fFlags & RTCRX509TBSCERTIFICATE_F_PRESENT_AUTHORITY_KEY_IDENTIFIER)
718	&& RTCrX509Certificate_IsSelfSigned(&Certificate)
719	&& RTAsn1OctetString_IsPresent(&Certificate.TbsCertificate.T3.pAuthorityKeyIdentifier->KeyIdentifier) )
720	pKeyIdentifier = &Certificate.TbsCertificate.T3.pAuthorityKeyIdentifier->KeyIdentifier;
721	else if ( (Certificate.TbsCertificate.T3.fFlags & RTCRX509TBSCERTIFICATE_F_PRESENT_OLD_AUTHORITY_KEY_IDENTIFIER)
722	&& RTCrX509Certificate_IsSelfSigned(&Certificate)
723	&& RTAsn1OctetString_IsPresent(&Certificate.TbsCertificate.T3.pOldAuthorityKeyIdentifier->KeyIdentifier) )
724	pKeyIdentifier = &Certificate.TbsCertificate.T3.pOldAuthorityKeyIdentifier->KeyIdentifier;
725	if (pKeyIdentifier && pKeyIdentifier->Asn1Core.cb > 0)
726	{
727	Assert(RTAsn1OctetString_IsPresent(&TrustAnchor.KeyIdentifier));
728	RTAsn1OctetString_Delete(&TrustAnchor.KeyIdentifier);
729	rc = RTAsn1OctetString_Clone(&TrustAnchor.KeyIdentifier, pKeyIdentifier, &g_RTAsn1DefaultAllocator);
730	if (RT_FAILURE(rc))
731	RTMsgError("RTAsn1OctetString_Clone failed: %Rrc", rc);
732	RTAsn1Core_ResetImplict(RTAsn1OctetString_GetAsn1Core(&TrustAnchor.KeyIdentifier)); /* temporary hack. */
733	}
734	else
735	RTMsgWarning("No key identifier found or has zero length.");
736
737	/* Subject */
738	if (RT_SUCCESS(rc))
739	{
740	Assert(!RTCrTafCertPathControls_IsPresent(&TrustAnchor.CertPath));
741	rc = RTCrTafCertPathControls_Init(&TrustAnchor.CertPath, &g_RTAsn1DefaultAllocator);
742	if (RT_SUCCESS(rc))
743	{
744	Assert(RTCrX509Name_IsPresent(&TrustAnchor.CertPath.TaName));
745	RTCrX509Name_Delete(&TrustAnchor.CertPath.TaName);
746	rc = RTCrX509Name_Clone(&TrustAnchor.CertPath.TaName, &Certificate.TbsCertificate.Subject,
747	&g_RTAsn1DefaultAllocator);
748	if (RT_SUCCESS(rc))
749	{
750	RTAsn1Core_ResetImplict(RTCrX509Name_GetAsn1Core(&TrustAnchor.CertPath.TaName)); /* temporary hack. */
751	rc = RTCrX509Name_RecodeAsUtf8(&TrustAnchor.CertPath.TaName, &g_RTAsn1DefaultAllocator);
752	if (RT_FAILURE(rc))
753	RTMsgError("RTCrX509Name_RecodeAsUtf8 failed: %Rrc", rc);
754	}
755	else
756	RTMsgError("RTCrX509Name_Clone failed: %Rrc", rc);
757	}
758	else
759	RTMsgError("RTCrTafCertPathControls_Init failed: %Rrc", rc);
760	}
761
762	/* Check that what we've constructed makes some sense. */
763	if (RT_SUCCESS(rc))
764	{
765	rc = RTCrTafTrustAnchorInfo_CheckSanity(&TrustAnchor, 0, RTErrInfoInitStatic(&StaticErrInfo), "TAI");
766	if (RT_FAILURE(rc))
767	RTMsgError("RTCrTafTrustAnchorInfo_CheckSanity failed: %Rrc - %s", rc, StaticErrInfo.szMsg);
768	}
769
770	if (RT_SUCCESS(rc))
771	{
772	/*
773	* Encode it and write it to the output file.
774	*/
775	uint32_t cbEncoded;
776	rc = RTAsn1EncodePrepare(RTCrTafTrustAnchorInfo_GetAsn1Core(&TrustAnchor), RTASN1ENCODE_F_DER, &cbEncoded,
777	RTErrInfoInitStatic(&StaticErrInfo));
778	if (RT_SUCCESS(rc))
779	{
780	if (State.cVerbose >= 1)
781	RTAsn1Dump(RTCrTafTrustAnchorInfo_GetAsn1Core(&TrustAnchor), 0, 0, RTStrmDumpPrintfV, g_pStdOut);
782
783	PRTSTREAM pStrm;
784	rc = RTStrmOpen(State.pszOutput, "wb", &pStrm);
785	if (RT_SUCCESS(rc))
786	{
787	rc = RTAsn1EncodeWrite(RTCrTafTrustAnchorInfo_GetAsn1Core(&TrustAnchor), RTASN1ENCODE_F_DER,
788	handleMakeTaInfoWriter, pStrm, RTErrInfoInitStatic(&StaticErrInfo));
789	if (RT_SUCCESS(rc))
790	{
791	rc = RTStrmClose(pStrm);
792	if (RT_SUCCESS(rc))
793	RTMsgInfo("Successfully wrote TrustedAnchorInfo to '%s'.", State.pszOutput);
794	else
795	RTMsgError("RTStrmClose failed: %Rrc", rc);
796	}
797	else
798	{
799	RTMsgError("RTAsn1EncodeWrite failed: %Rrc - %s", rc, StaticErrInfo.szMsg);
800	RTStrmClose(pStrm);
801	}
802	}
803	else
804	RTMsgError("Error opening '%s' for writing: %Rrcs", State.pszOutput, rc);
805	}
806	else
807	RTMsgError("RTAsn1EncodePrepare failed: %Rrc - %s", rc, StaticErrInfo.szMsg);
808	}
809
810	RTCrTafTrustAnchorInfo_Delete(&TrustAnchor);
811	}
812	else
813	RTMsgError("RTCrTafTrustAnchorInfo_Init failed: %Rrc", rc);
814
815	RTCrX509Certificate_Delete(&Certificate);
816	return RT_SUCCESS(rc) ? RTEXITCODE_SUCCESS : RTEXITCODE_FAILURE;
817	}
818
819
820
821	/*
822	* The 'version' command.
823	*/
824	static RTEXITCODE HelpVersion(PRTSTREAM pStrm, RTSIGNTOOLHELP enmLevel)
825	{
826	RTStrmPrintf(pStrm, "version\n");
827	return RTEXITCODE_SUCCESS;
828	}
829
830	static RTEXITCODE HandleVersion(int cArgs, char **papszArgs)
831	{
832	RTPrintf("%s\n", RTBldCfgVersion());
833	return RTEXITCODE_SUCCESS;
834	}
835
836
837
838	/**
839	* Command mapping.
840	*/
841	static struct
842	{
843	/** The command. */
844	const char *pszCmd;
845	/**
846	* Handle the command.
847	* @returns Program exit code.
848	* @param cArgs Number of arguments.
849	* @param papszArgs The argument vector, starting with the command name.
850	*/
851	RTEXITCODE (pfnHandler)(int cArgs, char *papszArgs);
852	/**
853	* Produce help.
854	* @returns RTEXITCODE_SUCCESS to simplify handling '--help' in the handler.
855	* @param pStrm Where to send help text.
856	* @param enmLevel The level of the help information.
857	*/
858	RTEXITCODE (*pfnHelp)(PRTSTREAM pStrm, RTSIGNTOOLHELP enmLevel);
859	}
860	/** Mapping commands to handler and helper functions. */
861	const g_aCommands[] =
862	{
863	{ "extract-exe-signer-cert", HandleExtractExeSignerCert, HelpExtractExeSignerCert },
864	#ifndef IPRT_IN_BUILD_TOOL
865	{ "verify-exe", HandleVerifyExe, HelpVerifyExe },
866	#endif
867	{ "make-tainfo", HandleMakeTaInfo, HelpMakeTaInfo },
868	{ "help", HandleHelp, HelpHelp },
869	{ "--help", HandleHelp, NULL },
870	{ "-h", HandleHelp, NULL },
871	{ "version", HandleVersion, HelpVersion },
872	{ "--version", HandleVersion, NULL },
873	{ "-V", HandleVersion, NULL },
874	};
875
876
877	/*
878	* The 'help' command.
879	*/
880	static RTEXITCODE HelpHelp(PRTSTREAM pStrm, RTSIGNTOOLHELP enmLevel)
881	{
882	RTStrmPrintf(pStrm, "help [cmd-patterns]\n");
883	return RTEXITCODE_SUCCESS;
884	}
885
886	static RTEXITCODE HandleHelp(int cArgs, char **papszArgs)
887	{
888	RTSIGNTOOLHELP enmLevel = cArgs <= 1 ? RTSIGNTOOLHELP_USAGE : RTSIGNTOOLHELP_FULL;
889	uint32_t cShowed = 0;
890	for (uint32_t iCmd = 0; iCmd < RT_ELEMENTS(g_aCommands); iCmd++)
891	{
892	if (g_aCommands[iCmd].pfnHelp)
893	{
894	bool fShow;
895	if (cArgs <= 1)
896	fShow = true;
897	else
898	{
899	for (int iArg = 1; iArg < cArgs; iArg++)
900	if (RTStrSimplePatternMultiMatch(papszArgs[iArg], RTSTR_MAX, g_aCommands[iCmd].pszCmd, RTSTR_MAX, NULL))
901	{
902	fShow = true;
903	break;
904	}
905	}
906	if (fShow)
907	{
908	g_aCommands[iCmd].pfnHelp(g_pStdOut, enmLevel);
909	cShowed++;
910	}
911	}
912	}
913	return cShowed ? RTEXITCODE_SUCCESS : RTEXITCODE_FAILURE;
914	}
915
916
917
918	int main(int argc, char **argv)
919	{
920	int rc = RTR3InitExe(argc, &argv, 0);
921	if (RT_FAILURE(rc))
922	return RTMsgInitFailure(rc);
923
924	/*
925	* Parse global arguments.
926	*/
927	int iArg = 1;
928	/* none presently. */
929
930	/*
931	* Command dispatcher.
932	*/
933	if (iArg < argc)
934	{
935	const char *pszCmd = argv[iArg];
936	uint32_t i = RT_ELEMENTS(g_aCommands);
937	while (i-- > 0)
938	if (!strcmp(g_aCommands[i].pszCmd, pszCmd))
939	return g_aCommands[i].pfnHandler(argc - iArg, &argv[iArg]);
940	RTMsgError("Unknown command '%s'.", pszCmd);
941	}
942	else
943	RTMsgError("No command given. (try --help)");
944
945	return RTEXITCODE_SYNTAX;
946	}
947
948

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source: vbox/trunk/src/VBox/Runtime/tools/RTSignTool.cpp@ 58268

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