RTSignTool.cpp@ 51862

Last change on this file since 51862 was 51793, checked in by vboxsync, 11 years ago
stupid gcc build fix
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1	/* $Id: RTSignTool.cpp 51793 2014-07-01 20:43:10Z 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	} VERIFYEXESTATE;
263
264	#ifdef VBOX
265	/** Certificate store load set.
266	* Declared outside HandleVerifyExe because of braindead gcc visibility crap. */
267	struct STSTORESET
268	{
269	RTCRSTORE hStore;
270	PCSUPTAENTRY paTAs;
271	unsigned cTAs;
272	};
273	#endif
274
275	/**
276	* @callback_method_impl{RTCRPKCS7VERIFYCERTCALLBACK,
277	* Standard code signing. Use this for Microsoft SPC.}
278	*/
279	static DECLCALLBACK(int) VerifyExecCertVerifyCallback(PCRTCRX509CERTIFICATE pCert, RTCRX509CERTPATHS hCertPaths,
280	void *pvUser, PRTERRINFO pErrInfo)
281	{
282	VERIFYEXESTATE pState = (VERIFYEXESTATE )pvUser;
283	uint32_t cPaths = hCertPaths != NIL_RTCRX509CERTPATHS ? RTCrX509CertPathsGetPathCount(hCertPaths) : 0;
284
285	/*
286	* Dump all the paths.
287	*/
288	if (pState->cVerbose > 0)
289	{
290	for (uint32_t iPath = 0; iPath < cPaths; iPath++)
291	{
292	RTPrintf("---\n");
293	RTCrX509CertPathsDumpOne(hCertPaths, iPath, pState->cVerbose, RTStrmDumpPrintfV, g_pStdOut);
294	*pErrInfo->pszMsg = '\0';
295	}
296	RTPrintf("---\n");
297	}
298
299	/*
300	* Test signing certificates normally doesn't have all the necessary
301	* features required below. So, treat them as special cases.
302	*/
303	if ( hCertPaths == NIL_RTCRX509CERTPATHS
304	&& RTCrX509Name_Compare(&pCert->TbsCertificate.Issuer, &pCert->TbsCertificate.Subject) == 0)
305	{
306	RTMsgInfo("Test signed.\n");
307	return VINF_SUCCESS;
308	}
309
310	if (hCertPaths == NIL_RTCRX509CERTPATHS)
311	RTMsgInfo("Signed by trusted certificate.\n");
312
313	/*
314	* Standard code signing capabilites required.
315	*/
316	int rc = RTCrPkcs7VerifyCertCallbackCodeSigning(pCert, hCertPaths, NULL, pErrInfo);
317	if (RT_SUCCESS(rc))
318	{
319	/*
320	* If kernel signing, a valid certificate path must be anchored by the
321	* microsoft kernel signing root certificate. The only alternative is
322	* test signing.
323	*/
324	if (pState->fKernel && hCertPaths != NIL_RTCRX509CERTPATHS)
325	{
326	uint32_t cFound = 0;
327	uint32_t cValid = 0;
328	for (uint32_t iPath = 0; iPath < cPaths; iPath++)
329	{
330	bool fTrusted;
331	PCRTCRX509NAME pSubject;
332	PCRTCRX509SUBJECTPUBLICKEYINFO pPublicKeyInfo;
333	int rcVerify;
334	rc = RTCrX509CertPathsQueryPathInfo(hCertPaths, iPath, &fTrusted, NULL /pcNodes/, &pSubject, &pPublicKeyInfo,
335	NULL, NULL /pCertCtx/, &rcVerify);
336	AssertRCBreak(rc);
337
338	if (RT_SUCCESS(rcVerify))
339	{
340	Assert(fTrusted);
341	cValid++;
342
343	/* Search the kernel signing root store for a matching anchor. */
344	RTCRSTORECERTSEARCH Search;
345	rc = RTCrStoreCertFindBySubjectOrAltSubjectByRfc5280(pState->hKernelRootStore, pSubject, &Search);
346	AssertRCBreak(rc);
347	PCRTCRCERTCTX pCertCtx;
348	while ((pCertCtx = RTCrStoreCertSearchNext(pState->hKernelRootStore, &Search)) != NULL)
349	{
350	if (RTCrX509SubjectPublicKeyInfo_Compare(&pCertCtx->pCert->TbsCertificate.SubjectPublicKeyInfo,
351	pPublicKeyInfo) == 0)
352	cFound++;
353	RTCrCertCtxRelease(pCertCtx);
354	}
355
356	int rc2 = RTCrStoreCertSearchDestroy(pState->hKernelRootStore, &Search); AssertRC(rc2);
357	}
358	}
359	if (RT_SUCCESS(rc) && cFound == 0)
360	rc = RTErrInfoSetF(pErrInfo, VERR_GENERAL_FAILURE, "Not valid kernel code signature.");
361	if (RT_SUCCESS(rc) && cValid != 2)
362	RTMsgWarning("%u valid paths, expected 2", cValid);
363	}
364	}
365
366	return rc;
367	}
368
369
370	/** @callback_method_impl{FNRTLDRVALIDATESIGNEDDATA} */
371	static DECLCALLBACK(int) VerifyExeCallback(RTLDRMOD hLdrMod, RTLDRSIGNATURETYPE enmSignature,
372	void const *pvSignature, size_t cbSignature,
373	PRTERRINFO pErrInfo, void *pvUser)
374	{
375	VERIFYEXESTATE pState = (VERIFYEXESTATE )pvUser;
376	switch (enmSignature)
377	{
378	case RTLDRSIGNATURETYPE_PKCS7_SIGNED_DATA:
379	{
380	PCRTCRPKCS7CONTENTINFO pContentInfo = (PCRTCRPKCS7CONTENTINFO)pvSignature;
381
382	RTTIMESPEC ValidationTime;
383	RTTimeSpecSetSeconds(&ValidationTime, pState->uTimestamp);
384
385	/*
386	* Dump the signed data if so requested.
387	*/
388	if (pState->cVerbose)
389	RTAsn1Dump(&pContentInfo->SeqCore.Asn1Core, 0, 0, RTStrmDumpPrintfV, g_pStdOut);
390
391
392	/*
393	* Do the actual verification. Will have to modify this so it takes
394	* the authenticode policies into account.
395	*/
396	return RTCrPkcs7VerifySignedData(pContentInfo, 0, pState->hAdditionalStore, pState->hRootStore, &ValidationTime,
397	VerifyExecCertVerifyCallback, pState, pErrInfo);
398	}
399
400	default:
401	return RTErrInfoSetF(pErrInfo, VERR_NOT_SUPPORTED, "Unsupported signature type: %d", enmSignature);
402	}
403	return VINF_SUCCESS;
404	}
405
406	static RTEXITCODE HandleVerifyExe(int cArgs, char **papszArgs)
407	{
408	RTERRINFOSTATIC StaticErrInfo;
409
410	/* Note! This code does not try to clean up the crypto stores on failure.
411	This is intentional as the code is only expected to be used in a
412	one-command-per-process environment where we do exit() upon
413	returning from this function. */
414
415	/*
416	* Parse arguments.
417	*/
418	static const RTGETOPTDEF s_aOptions[] =
419	{
420	{ "--kernel", 'k', RTGETOPT_REQ_NOTHING },
421	{ "--root", 'r', RTGETOPT_REQ_STRING },
422	{ "--additional", 'a', RTGETOPT_REQ_STRING },
423	{ "--add", 'a', RTGETOPT_REQ_STRING },
424	{ "--type", 't', RTGETOPT_REQ_STRING },
425	{ "--verbose", 'v', RTGETOPT_REQ_NOTHING },
426	{ "--quiet", 'q', RTGETOPT_REQ_NOTHING },
427	};
428
429	RTLDRARCH enmLdrArch = RTLDRARCH_WHATEVER;
430	VERIFYEXESTATE State = { NIL_RTCRSTORE, NIL_RTCRSTORE, NIL_RTCRSTORE, false, false, VERIFYEXESTATE::kSignType_Windows };
431	int rc = RTCrStoreCreateInMem(&State.hRootStore, 0);
432	if (RT_SUCCESS(rc))
433	rc = RTCrStoreCreateInMem(&State.hKernelRootStore, 0);
434	if (RT_SUCCESS(rc))
435	rc = RTCrStoreCreateInMem(&State.hAdditionalStore, 0);
436	if (RT_FAILURE(rc))
437	return RTMsgErrorExit(RTEXITCODE_FAILURE, "Error creating in-memory certificate store: %Rrc", rc);
438
439	RTGETOPTSTATE GetState;
440	rc = RTGetOptInit(&GetState, cArgs, papszArgs, s_aOptions, RT_ELEMENTS(s_aOptions), 1, RTGETOPTINIT_FLAGS_OPTS_FIRST);
441	AssertRCReturn(rc, RTEXITCODE_FAILURE);
442	RTGETOPTUNION ValueUnion;
443	int ch;
444	while ((ch = RTGetOpt(&GetState, &ValueUnion)) && ch != VINF_GETOPT_NOT_OPTION)
445	{
446	switch (ch)
447	{
448	case 'r': case 'a':
449	rc = RTCrStoreCertAddFromFile(ch == 'r' ? State.hRootStore : State.hAdditionalStore, 0, ValueUnion.psz,
450	RTErrInfoInitStatic(&StaticErrInfo));
451	if (RT_FAILURE(rc))
452	return RTMsgErrorExit(RTEXITCODE_FAILURE, "Error loading certificate '%s': %Rrc - %s",
453	ValueUnion.psz, rc, StaticErrInfo.szMsg);
454	break;
455
456	case 't':
457	if (!strcmp(ValueUnion.psz, "win") \|\| !strcmp(ValueUnion.psz, "windows"))
458	State.enmSignType = VERIFYEXESTATE::kSignType_Windows;
459	else if (!strcmp(ValueUnion.psz, "osx") \|\| !strcmp(ValueUnion.psz, "apple"))
460	State.enmSignType = VERIFYEXESTATE::kSignType_OSX;
461	else
462	return RTMsgErrorExit(RTEXITCODE_SYNTAX, "Unknown signing type: '%s'", ValueUnion.psz);
463	break;
464
465	case 'k': State.fKernel = true; break;
466	case 'v': State.cVerbose++; break;
467	case 'q': State.cVerbose = 0; break;
468	case 'V': return HandleVersion(cArgs, papszArgs);
469	case 'h': return HelpVerifyExe(g_pStdOut, RTSIGNTOOLHELP_FULL);
470	default: return RTGetOptPrintError(ch, &ValueUnion);
471	}
472	}
473	if (ch != VINF_GETOPT_NOT_OPTION)
474	return RTMsgErrorExit(RTEXITCODE_FAILURE, "No executable given.");
475
476	/*
477	* Populate the certificate stores according to the signing type.
478	*/
479	#ifdef VBOX
480	unsigned cSets = 0;
481	struct STSTORESET aSets[6];
482	#endif
483
484	switch (State.enmSignType)
485	{
486	case VERIFYEXESTATE::kSignType_Windows:
487	#ifdef VBOX
488	aSets[cSets].hStore = State.hRootStore;
489	aSets[cSets].paTAs = g_aSUPTimestampTAs;
490	aSets[cSets].cTAs = g_cSUPTimestampTAs;
491	cSets++;
492	aSets[cSets].hStore = State.hRootStore;
493	aSets[cSets].paTAs = g_aSUPSpcRootTAs;
494	aSets[cSets].cTAs = g_cSUPSpcRootTAs;
495	cSets++;
496	aSets[cSets].hStore = State.hRootStore;
497	aSets[cSets].paTAs = g_aSUPNtKernelRootTAs;
498	aSets[cSets].cTAs = g_cSUPNtKernelRootTAs;
499	cSets++;
500	aSets[cSets].hStore = State.hKernelRootStore;
501	aSets[cSets].paTAs = g_aSUPNtKernelRootTAs;
502	aSets[cSets].cTAs = g_cSUPNtKernelRootTAs;
503	cSets++;
504	#endif
505	break;
506
507	case VERIFYEXESTATE::kSignType_OSX:
508	return RTMsgErrorExit(RTEXITCODE_FAILURE, "Mac OS X executable signing is not implemented.");
509	}
510
511	#ifdef VBOX
512	for (unsigned i = 0; i < cSets; i++)
513	for (unsigned j = 0; j < aSets[i].cTAs; j++)
514	{
515	rc = RTCrStoreCertAddEncoded(aSets[i].hStore, RTCRCERTCTX_F_ENC_TAF_DER, aSets[i].paTAs[j].pch,
516	aSets[i].paTAs[j].cb, RTErrInfoInitStatic(&StaticErrInfo));
517	if (RT_FAILURE(rc))
518	return RTMsgErrorExit(RTEXITCODE_FAILURE, "RTCrStoreCertAddEncoded failed (%u/%u): %s",
519	i, j, StaticErrInfo.szMsg);
520	}
521	#endif
522
523	/*
524	* Do it.
525	*/
526	for (;;)
527	{
528	/*
529	* Open the executable image and verify it.
530	*/
531	RTLDRMOD hLdrMod;
532	rc = RTLdrOpen(ValueUnion.psz, RTLDR_O_FOR_VALIDATION, enmLdrArch, &hLdrMod);
533	if (RT_FAILURE(rc))
534	return RTMsgErrorExit(RTEXITCODE_FAILURE, "Error opening executable image '%s': %Rrc", ValueUnion.psz, rc);
535
536
537	rc = RTLdrQueryProp(hLdrMod, RTLDRPROP_TIMESTAMP_SECONDS, &State.uTimestamp, sizeof(State.uTimestamp));
538	if (RT_SUCCESS(rc))
539	{
540	rc = RTLdrVerifySignature(hLdrMod, VerifyExeCallback, &State, RTErrInfoInitStatic(&StaticErrInfo));
541	if (RT_SUCCESS(rc))
542	RTMsgInfo("'%s' is valid.\n", ValueUnion.psz);
543	else
544	RTMsgError("RTLdrVerifySignature failed on '%s': %Rrc - %s\n", ValueUnion.psz, rc, StaticErrInfo.szMsg);
545	}
546	else
547	RTMsgError("RTLdrQueryProp/RTLDRPROP_TIMESTAMP_SECONDS failed on '%s': %Rrc\n", ValueUnion.psz, rc);
548
549	int rc2 = RTLdrClose(hLdrMod);
550	if (RT_FAILURE(rc2))
551	return RTMsgErrorExit(RTEXITCODE_FAILURE, "RTLdrClose failed: %Rrc\n", rc2);
552	if (RT_FAILURE(rc))
553	return rc != VERR_LDRVI_NOT_SIGNED ? RTEXITCODE_FAILURE : RTEXITCODE_SKIPPED;
554
555	/*
556	* Next file
557	*/
558	ch = RTGetOpt(&GetState, &ValueUnion);
559	if (ch == 0)
560	return RTEXITCODE_SUCCESS;
561	if (ch != VINF_GETOPT_NOT_OPTION)
562	return RTGetOptPrintError(ch, &ValueUnion);
563	}
564	}
565
566	#endif /* !IPRT_IN_BUILD_TOOL */
567
568	/*
569	* The 'make-tainfo' command.
570	*/
571	static RTEXITCODE HelpMakeTaInfo(PRTSTREAM pStrm, RTSIGNTOOLHELP enmLevel)
572	{
573	RTStrmPrintf(pStrm,
574	"make-tainfo [--verbose\|--quiet] [--cert <cert.der>] [-o\|--output] <tainfo.der>\n");
575	return RTEXITCODE_SUCCESS;
576	}
577
578
579	typedef struct MAKETAINFOSTATE
580	{
581	int cVerbose;
582	const char *pszCert;
583	const char *pszOutput;
584	} MAKETAINFOSTATE;
585
586
587	/** @callback_method_impl{FNRTASN1ENCODEWRITER} */
588	static DECLCALLBACK(int) handleMakeTaInfoWriter(const void pvBuf, size_t cbToWrite, void pvUser, PRTERRINFO pErrInfo)
589	{
590	return RTStrmWrite((PRTSTREAM)pvUser, pvBuf, cbToWrite);
591	}
592
593
594	static RTEXITCODE HandleMakeTaInfo(int cArgs, char **papszArgs)
595	{
596	/*
597	* Parse arguments.
598	*/
599	static const RTGETOPTDEF s_aOptions[] =
600	{
601	{ "--cert", 'c', RTGETOPT_REQ_STRING },
602	{ "--output", 'o', RTGETOPT_REQ_STRING },
603	{ "--verbose", 'v', RTGETOPT_REQ_NOTHING },
604	{ "--quiet", 'q', RTGETOPT_REQ_NOTHING },
605	};
606
607	RTLDRARCH enmLdrArch = RTLDRARCH_WHATEVER;
608	MAKETAINFOSTATE State = { 0, NULL, NULL };
609
610	RTGETOPTSTATE GetState;
611	int rc = RTGetOptInit(&GetState, cArgs, papszArgs, s_aOptions, RT_ELEMENTS(s_aOptions), 1, RTGETOPTINIT_FLAGS_OPTS_FIRST);
612	AssertRCReturn(rc, RTEXITCODE_FAILURE);
613	RTGETOPTUNION ValueUnion;
614	int ch;
615	while ((ch = RTGetOpt(&GetState, &ValueUnion)) != 0)
616	{
617	switch (ch)
618	{
619	case 'c':
620	if (State.pszCert)
621	return RTMsgErrorExit(RTEXITCODE_FAILURE, "The --cert option can only be used once.");
622	State.pszCert = ValueUnion.psz;
623	break;
624
625	case 'o':
626	case VINF_GETOPT_NOT_OPTION:
627	if (State.pszOutput)
628	return RTMsgErrorExit(RTEXITCODE_FAILURE, "Multiple output files specified.");
629	State.pszOutput = ValueUnion.psz;
630	break;
631
632	case 'v': State.cVerbose++; break;
633	case 'q': State.cVerbose = 0; break;
634	case 'V': return HandleVersion(cArgs, papszArgs);
635	case 'h': return HelpMakeTaInfo(g_pStdOut, RTSIGNTOOLHELP_FULL);
636	default: return RTGetOptPrintError(ch, &ValueUnion);
637	}
638	}
639	if (!State.pszCert)
640	return RTMsgErrorExit(RTEXITCODE_FAILURE, "No input certificate was specified.");
641	if (!State.pszOutput)
642	return RTMsgErrorExit(RTEXITCODE_FAILURE, "No output file was specified.");
643
644	/*
645	* Read the certificate.
646	*/
647	RTERRINFOSTATIC StaticErrInfo;
648	RTCRX509CERTIFICATE Certificate;
649	rc = RTCrX509Certificate_ReadFromFile(&Certificate, State.pszCert, 0, &g_RTAsn1DefaultAllocator,
650	RTErrInfoInitStatic(&StaticErrInfo));
651	if (RT_FAILURE(rc))
652	return RTMsgErrorExit(RTEXITCODE_FAILURE, "Error reading certificate from %s: %Rrc - %s",
653	State.pszCert, rc, StaticErrInfo.szMsg);
654	/*
655	* Construct the trust anchor information.
656	*/
657	RTCRTAFTRUSTANCHORINFO TrustAnchor;
658	rc = RTCrTafTrustAnchorInfo_Init(&TrustAnchor, &g_RTAsn1DefaultAllocator);
659	if (RT_SUCCESS(rc))
660	{
661	/* Public key. */
662	Assert(RTCrX509SubjectPublicKeyInfo_IsPresent(&TrustAnchor.PubKey));
663	RTCrX509SubjectPublicKeyInfo_Delete(&TrustAnchor.PubKey);
664	rc = RTCrX509SubjectPublicKeyInfo_Clone(&TrustAnchor.PubKey, &Certificate.TbsCertificate.SubjectPublicKeyInfo,
665	&g_RTAsn1DefaultAllocator);
666	if (RT_FAILURE(rc))
667	RTMsgError("RTCrX509SubjectPublicKeyInfo_Clone failed: %Rrc", rc);
668	RTAsn1Core_ResetImplict(RTCrX509SubjectPublicKeyInfo_GetAsn1Core(&TrustAnchor.PubKey)); /* temporary hack. */
669
670	/* Key Identifier. */
671	PCRTASN1OCTETSTRING pKeyIdentifier = NULL;
672	if (Certificate.TbsCertificate.T3.fFlags & RTCRX509TBSCERTIFICATE_F_PRESENT_SUBJECT_KEY_IDENTIFIER)
673	pKeyIdentifier = Certificate.TbsCertificate.T3.pSubjectKeyIdentifier;
674	else if ( (Certificate.TbsCertificate.T3.fFlags & RTCRX509TBSCERTIFICATE_F_PRESENT_AUTHORITY_KEY_IDENTIFIER)
675	&& RTCrX509Certificate_IsSelfSigned(&Certificate)
676	&& RTAsn1OctetString_IsPresent(&Certificate.TbsCertificate.T3.pAuthorityKeyIdentifier->KeyIdentifier) )
677	pKeyIdentifier = &Certificate.TbsCertificate.T3.pAuthorityKeyIdentifier->KeyIdentifier;
678	else if ( (Certificate.TbsCertificate.T3.fFlags & RTCRX509TBSCERTIFICATE_F_PRESENT_OLD_AUTHORITY_KEY_IDENTIFIER)
679	&& RTCrX509Certificate_IsSelfSigned(&Certificate)
680	&& RTAsn1OctetString_IsPresent(&Certificate.TbsCertificate.T3.pOldAuthorityKeyIdentifier->KeyIdentifier) )
681	pKeyIdentifier = &Certificate.TbsCertificate.T3.pOldAuthorityKeyIdentifier->KeyIdentifier;
682	if (pKeyIdentifier && pKeyIdentifier->Asn1Core.cb > 0)
683	{
684	Assert(RTAsn1OctetString_IsPresent(&TrustAnchor.KeyIdentifier));
685	RTAsn1OctetString_Delete(&TrustAnchor.KeyIdentifier);
686	rc = RTAsn1OctetString_Clone(&TrustAnchor.KeyIdentifier, pKeyIdentifier, &g_RTAsn1DefaultAllocator);
687	if (RT_FAILURE(rc))
688	RTMsgError("RTAsn1OctetString_Clone failed: %Rrc", rc);
689	RTAsn1Core_ResetImplict(RTAsn1OctetString_GetAsn1Core(&TrustAnchor.KeyIdentifier)); /* temporary hack. */
690	}
691	else
692	RTMsgWarning("No key identifier found or has zero length.");
693
694	/* Subject */
695	if (RT_SUCCESS(rc))
696	{
697	Assert(!RTCrTafCertPathControls_IsPresent(&TrustAnchor.CertPath));
698	rc = RTCrTafCertPathControls_Init(&TrustAnchor.CertPath, &g_RTAsn1DefaultAllocator);
699	if (RT_SUCCESS(rc))
700	{
701	Assert(RTCrX509Name_IsPresent(&TrustAnchor.CertPath.TaName));
702	RTCrX509Name_Delete(&TrustAnchor.CertPath.TaName);
703	rc = RTCrX509Name_Clone(&TrustAnchor.CertPath.TaName, &Certificate.TbsCertificate.Subject,
704	&g_RTAsn1DefaultAllocator);
705	if (RT_SUCCESS(rc))
706	{
707	RTAsn1Core_ResetImplict(RTCrX509Name_GetAsn1Core(&TrustAnchor.CertPath.TaName)); /* temporary hack. */
708	rc = RTCrX509Name_RecodeAsUtf8(&TrustAnchor.CertPath.TaName, &g_RTAsn1DefaultAllocator);
709	if (RT_FAILURE(rc))
710	RTMsgError("RTCrX509Name_RecodeAsUtf8 failed: %Rrc", rc);
711	}
712	else
713	RTMsgError("RTCrX509Name_Clone failed: %Rrc", rc);
714	}
715	else
716	RTMsgError("RTCrTafCertPathControls_Init failed: %Rrc", rc);
717	}
718
719	/* Check that what we've constructed makes some sense. */
720	if (RT_SUCCESS(rc))
721	{
722	rc = RTCrTafTrustAnchorInfo_CheckSanity(&TrustAnchor, 0, RTErrInfoInitStatic(&StaticErrInfo), "TAI");
723	if (RT_FAILURE(rc))
724	RTMsgError("RTCrTafTrustAnchorInfo_CheckSanity failed: %Rrc - %s", rc, StaticErrInfo.szMsg);
725	}
726
727	if (RT_SUCCESS(rc))
728	{
729	/*
730	* Encode it and write it to the output file.
731	*/
732	uint32_t cbEncoded;
733	rc = RTAsn1EncodePrepare(RTCrTafTrustAnchorInfo_GetAsn1Core(&TrustAnchor), RTASN1ENCODE_F_DER, &cbEncoded,
734	RTErrInfoInitStatic(&StaticErrInfo));
735	if (RT_SUCCESS(rc))
736	{
737	if (State.cVerbose >= 1)
738	RTAsn1Dump(RTCrTafTrustAnchorInfo_GetAsn1Core(&TrustAnchor), 0, 0, RTStrmDumpPrintfV, g_pStdOut);
739
740	PRTSTREAM pStrm;
741	rc = RTStrmOpen(State.pszOutput, "wb", &pStrm);
742	if (RT_SUCCESS(rc))
743	{
744	rc = RTAsn1EncodeWrite(RTCrTafTrustAnchorInfo_GetAsn1Core(&TrustAnchor), RTASN1ENCODE_F_DER,
745	handleMakeTaInfoWriter, pStrm, RTErrInfoInitStatic(&StaticErrInfo));
746	if (RT_SUCCESS(rc))
747	{
748	rc = RTStrmClose(pStrm);
749	if (RT_SUCCESS(rc))
750	RTMsgInfo("Successfully wrote TrustedAnchorInfo to '%s'.", State.pszOutput);
751	else
752	RTMsgError("RTStrmClose failed: %Rrc");
753	}
754	else
755	{
756	RTMsgError("RTAsn1EncodeWrite failed: %Rrc - %s", rc, StaticErrInfo.szMsg);
757	RTStrmClose(pStrm);
758	}
759	}
760	else
761	RTMsgError("Error opening '%s' for writing: %Rrcs", State.pszOutput, rc);
762	}
763	else
764	RTMsgError("RTAsn1EncodePrepare failed: %Rrc - %s", rc, StaticErrInfo.szMsg);
765	}
766
767	RTCrTafTrustAnchorInfo_Delete(&TrustAnchor);
768	}
769	else
770	RTMsgError("RTCrTafTrustAnchorInfo_Init failed: %Rrc", rc);
771
772	RTCrX509Certificate_Delete(&Certificate);
773	return RT_SUCCESS(rc) ? RTEXITCODE_SUCCESS : RTEXITCODE_FAILURE;
774	}
775
776
777
778	/*
779	* The 'version' command.
780	*/
781	static RTEXITCODE HelpVersion(PRTSTREAM pStrm, RTSIGNTOOLHELP enmLevel)
782	{
783	RTStrmPrintf(pStrm, "version\n");
784	return RTEXITCODE_SUCCESS;
785	}
786
787	static RTEXITCODE HandleVersion(int cArgs, char **papszArgs)
788	{
789	RTPrintf("%s\n", RTBldCfgVersion());
790	return RTEXITCODE_SUCCESS;
791	}
792
793
794
795	/**
796	* Command mapping.
797	*/
798	static struct
799	{
800	/** The command. */
801	const char *pszCmd;
802	/**
803	* Handle the command.
804	* @returns Program exit code.
805	* @param cArgs Number of arguments.
806	* @param papszArgs The argument vector, starting with the command name.
807	*/
808	RTEXITCODE (pfnHandler)(int cArgs, char *papszArgs);
809	/**
810	* Produce help.
811	* @returns RTEXITCODE_SUCCESS to simplify handling '--help' in the handler.
812	* @param pStrm Where to send help text.
813	* @param enmLevel The level of the help information.
814	*/
815	RTEXITCODE (*pfnHelp)(PRTSTREAM pStrm, RTSIGNTOOLHELP enmLevel);
816	}
817	/** Mapping commands to handler and helper functions. */
818	const g_aCommands[] =
819	{
820	{ "extract-exe-signer-cert", HandleExtractExeSignerCert, HelpExtractExeSignerCert },
821	#ifndef IPRT_IN_BUILD_TOOL
822	{ "verify-exe", HandleVerifyExe, HelpVerifyExe },
823	#endif
824	{ "make-tainfo", HandleMakeTaInfo, HelpMakeTaInfo },
825	{ "help", HandleHelp, HelpHelp },
826	{ "--help", HandleHelp, NULL },
827	{ "-h", HandleHelp, NULL },
828	{ "version", HandleVersion, HelpVersion },
829	{ "--version", HandleVersion, NULL },
830	{ "-V", HandleVersion, NULL },
831	};
832
833
834	/*
835	* The 'help' command.
836	*/
837	static RTEXITCODE HelpHelp(PRTSTREAM pStrm, RTSIGNTOOLHELP enmLevel)
838	{
839	RTStrmPrintf(pStrm, "help [cmd-patterns]\n");
840	return RTEXITCODE_SUCCESS;
841	}
842
843	static RTEXITCODE HandleHelp(int cArgs, char **papszArgs)
844	{
845	RTSIGNTOOLHELP enmLevel = cArgs <= 1 ? RTSIGNTOOLHELP_USAGE : RTSIGNTOOLHELP_FULL;
846	uint32_t cShowed = 0;
847	for (uint32_t iCmd = 0; iCmd < RT_ELEMENTS(g_aCommands); iCmd++)
848	{
849	if (g_aCommands[iCmd].pfnHelp)
850	{
851	bool fShow;
852	if (cArgs <= 1)
853	fShow = true;
854	else
855	{
856	for (int iArg = 1; iArg < cArgs; iArg++)
857	if (RTStrSimplePatternMultiMatch(papszArgs[iArg], RTSTR_MAX, g_aCommands[iCmd].pszCmd, RTSTR_MAX, NULL))
858	{
859	fShow = true;
860	break;
861	}
862	}
863	if (fShow)
864	{
865	g_aCommands[iCmd].pfnHelp(g_pStdOut, enmLevel);
866	cShowed++;
867	}
868	}
869	}
870	return cShowed ? RTEXITCODE_SUCCESS : RTEXITCODE_FAILURE;
871	}
872
873
874
875	int main(int argc, char **argv)
876	{
877	int rc = RTR3InitExe(argc, &argv, 0);
878	if (RT_FAILURE(rc))
879	return RTMsgInitFailure(rc);
880
881	/*
882	* Parse global arguments.
883	*/
884	int iArg = 1;
885	/* none presently. */
886
887	/*
888	* Command dispatcher.
889	*/
890	if (iArg < argc)
891	{
892	const char *pszCmd = argv[iArg];
893	uint32_t i = RT_ELEMENTS(g_aCommands);
894	while (i-- > 0)
895	if (!strcmp(g_aCommands[i].pszCmd, pszCmd))
896	return g_aCommands[i].pfnHandler(argc - iArg, &argv[iArg]);
897	RTMsgError("Unknown command '%s'.", pszCmd);
898	}
899	else
900	RTMsgError("No command given. (try --help)");
901
902	return RTEXITCODE_SYNTAX;
903	}
904
905

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source: vbox/trunk/src/VBox/Runtime/tools/RTSignTool.cpp@ 51862

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