VirtualBox

source: vbox/trunk/src/VBox/Runtime/tools/RTSignTool.cpp@ 75176

Last change on this file since 75176 was 75176, checked in by vboxsync, 6 years ago

IPRT: Workaround for leap seconds and seconds rounding error on OS X in their DER_CFDateToUTCTime() function. bugref:9232
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1/* $Id: RTSignTool.cpp 75176 2018-10-30 13:01:29Z vboxsync $ */
2/** @file
3 * IPRT - Signing Tool.
4 */
5
6/*
7 * Copyright (C) 2006-2017 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/uuid.h>
44#include <iprt/zero.h>
45#ifndef RT_OS_WINDOWS
46# include <iprt/formats/pecoff.h>
47#endif
48#include <iprt/crypto/applecodesign.h>
49#include <iprt/crypto/digest.h>
50#include <iprt/crypto/x509.h>
51#include <iprt/crypto/pkcs7.h>
52#include <iprt/crypto/store.h>
53#include <iprt/crypto/spc.h>
54#ifdef VBOX
55# include <VBox/sup.h> /* Certificates */
56#endif
57#ifdef RT_OS_WINDOWS
58# include <iprt/win/windows.h>
59# include <ImageHlp.h>
60#endif
61
62
63/*********************************************************************************************************************************
64* Structures and Typedefs *
65*********************************************************************************************************************************/
66/** Help detail levels. */
67typedef enum RTSIGNTOOLHELP
68{
69 RTSIGNTOOLHELP_USAGE,
70 RTSIGNTOOLHELP_FULL
71} RTSIGNTOOLHELP;
72
73
74/**
75 * PKCS\#7 signature data.
76 */
77typedef struct SIGNTOOLPKCS7
78{
79 /** The raw signature. */
80 uint8_t *pbBuf;
81 /** Size of the raw signature. */
82 size_t cbBuf;
83 /** The filename. */
84 const char *pszFilename;
85 /** The outer content info wrapper. */
86 RTCRPKCS7CONTENTINFO ContentInfo;
87 /** Pointer to the decoded SignedData inside the ContentInfo member. */
88 PRTCRPKCS7SIGNEDDATA pSignedData;
89
90 /** Newly encoded raw signature.
91 * @sa SignToolPkcs7_Encode() */
92 uint8_t *pbNewBuf;
93 /** Size of newly encoded raw signature. */
94 size_t cbNewBuf;
95
96} SIGNTOOLPKCS7;
97typedef SIGNTOOLPKCS7 *PSIGNTOOLPKCS7;
98
99
100/**
101 * PKCS\#7 signature data for executable.
102 */
103typedef struct SIGNTOOLPKCS7EXE : public SIGNTOOLPKCS7
104{
105 /** The module handle. */
106 RTLDRMOD hLdrMod;
107} SIGNTOOLPKCS7EXE;
108typedef SIGNTOOLPKCS7EXE *PSIGNTOOLPKCS7EXE;
109
110
111/**
112 * Data for the show exe (signature) command.
113 */
114typedef struct SHOWEXEPKCS7 : public SIGNTOOLPKCS7EXE
115{
116 /** The verbosity. */
117 unsigned cVerbosity;
118 /** The prefix buffer. */
119 char szPrefix[256];
120 /** Temporary buffer. */
121 char szTmp[4096];
122} SHOWEXEPKCS7;
123typedef SHOWEXEPKCS7 *PSHOWEXEPKCS7;
124
125
126/*********************************************************************************************************************************
127* Internal Functions *
128*********************************************************************************************************************************/
129static RTEXITCODE HandleHelp(int cArgs, char **papszArgs);
130static RTEXITCODE HelpHelp(PRTSTREAM pStrm, RTSIGNTOOLHELP enmLevel);
131static RTEXITCODE HandleVersion(int cArgs, char **papszArgs);
132static int HandleShowExeWorkerPkcs7Display(PSHOWEXEPKCS7 pThis, PRTCRPKCS7SIGNEDDATA pSignedData, size_t offPrefix,
133 PCRTCRPKCS7CONTENTINFO pContentInfo);
134
135
136/**
137 * Deletes the structure.
138 *
139 * @param pThis The structure to initialize.
140 */
141static void SignToolPkcs7_Delete(PSIGNTOOLPKCS7 pThis)
142{
143 RTCrPkcs7ContentInfo_Delete(&pThis->ContentInfo);
144 pThis->pSignedData = NULL;
145 RTMemFree(pThis->pbBuf);
146 pThis->pbBuf = NULL;
147 pThis->cbBuf = 0;
148 RTMemFree(pThis->pbNewBuf);
149 pThis->pbNewBuf = NULL;
150 pThis->cbNewBuf = 0;
151}
152
153
154/**
155 * Deletes the structure.
156 *
157 * @param pThis The structure to initialize.
158 */
159static void SignToolPkcs7Exe_Delete(PSIGNTOOLPKCS7EXE pThis)
160{
161 if (pThis->hLdrMod != NIL_RTLDRMOD)
162 {
163 int rc2 = RTLdrClose(pThis->hLdrMod);
164 if (RT_FAILURE(rc2))
165 RTMsgError("RTLdrClose failed: %Rrc\n", rc2);
166 pThis->hLdrMod = NIL_RTLDRMOD;
167 }
168 SignToolPkcs7_Delete(pThis);
169}
170
171
172/**
173 * Decodes the PKCS #7 blob pointed to by pThis->pbBuf.
174 *
175 * @returns IPRT status code (error message already shown on failure).
176 * @param pThis The PKCS\#7 signature to decode.
177 * @param fCatalog Set if catalog file, clear if executable.
178 */
179static int SignToolPkcs7_Decode(PSIGNTOOLPKCS7 pThis, bool fCatalog)
180{
181 RTERRINFOSTATIC ErrInfo;
182 RTASN1CURSORPRIMARY PrimaryCursor;
183 RTAsn1CursorInitPrimary(&PrimaryCursor, pThis->pbBuf, (uint32_t)pThis->cbBuf, RTErrInfoInitStatic(&ErrInfo),
184 &g_RTAsn1DefaultAllocator, 0, "WinCert");
185
186 int rc = RTCrPkcs7ContentInfo_DecodeAsn1(&PrimaryCursor.Cursor, 0, &pThis->ContentInfo, "CI");
187 if (RT_SUCCESS(rc))
188 {
189 if (RTCrPkcs7ContentInfo_IsSignedData(&pThis->ContentInfo))
190 {
191 pThis->pSignedData = pThis->ContentInfo.u.pSignedData;
192
193 /*
194 * Decode the authenticode bits.
195 */
196 if (!strcmp(pThis->pSignedData->ContentInfo.ContentType.szObjId, RTCRSPCINDIRECTDATACONTENT_OID))
197 {
198 PRTCRSPCINDIRECTDATACONTENT pIndData = pThis->pSignedData->ContentInfo.u.pIndirectDataContent;
199 Assert(pIndData);
200
201 /*
202 * Check that things add up.
203 */
204 rc = RTCrPkcs7SignedData_CheckSanity(pThis->pSignedData,
205 RTCRPKCS7SIGNEDDATA_SANITY_F_AUTHENTICODE
206 | RTCRPKCS7SIGNEDDATA_SANITY_F_ONLY_KNOWN_HASH
207 | RTCRPKCS7SIGNEDDATA_SANITY_F_SIGNING_CERT_PRESENT,
208 RTErrInfoInitStatic(&ErrInfo), "SD");
209 if (RT_SUCCESS(rc))
210 {
211 rc = RTCrSpcIndirectDataContent_CheckSanityEx(pIndData,
212 pThis->pSignedData,
213 RTCRSPCINDIRECTDATACONTENT_SANITY_F_ONLY_KNOWN_HASH,
214 RTErrInfoInitStatic(&ErrInfo));
215 if (RT_FAILURE(rc))
216 RTMsgError("SPC indirect data content sanity check failed for '%s': %Rrc - %s\n",
217 pThis->pszFilename, rc, ErrInfo.szMsg);
218 }
219 else
220 RTMsgError("PKCS#7 sanity check failed for '%s': %Rrc - %s\n", pThis->pszFilename, rc, ErrInfo.szMsg);
221 }
222 else if (!strcmp(pThis->pSignedData->ContentInfo.ContentType.szObjId, RTCR_PKCS7_DATA_OID))
223 { /* apple code signing */ }
224 else if (!fCatalog)
225 RTMsgError("Unexpected the signed content in '%s': %s (expected %s)", pThis->pszFilename,
226 pThis->pSignedData->ContentInfo.ContentType.szObjId, RTCRSPCINDIRECTDATACONTENT_OID);
227 }
228 else
229 rc = RTMsgErrorRc(VERR_CR_PKCS7_NOT_SIGNED_DATA,
230 "PKCS#7 content is inside '%s' is not 'signedData': %s\n",
231 pThis->pszFilename, pThis->ContentInfo.ContentType.szObjId);
232 }
233 else
234 RTMsgError("RTCrPkcs7ContentInfo_DecodeAsn1 failed on '%s': %Rrc - %s\n", pThis->pszFilename, rc, ErrInfo.szMsg);
235 return rc;
236}
237
238
239/**
240 * Reads and decodes PKCS\#7 signature from the given cat file.
241 *
242 * @returns RTEXITCODE_SUCCESS on success, RTEXITCODE_FAILURE with error message
243 * on failure.
244 * @param pThis The structure to initialize.
245 * @param pszFilename The catalog (or any other DER PKCS\#7) filename.
246 * @param cVerbosity The verbosity.
247 */
248static RTEXITCODE SignToolPkcs7_InitFromFile(PSIGNTOOLPKCS7 pThis, const char *pszFilename, unsigned cVerbosity)
249{
250 /*
251 * Init the return structure.
252 */
253 RT_ZERO(*pThis);
254 pThis->pszFilename = pszFilename;
255
256 /*
257 * Lazy bird uses RTFileReadAll and duplicates the allocation.
258 */
259 void *pvFile;
260 int rc = RTFileReadAll(pszFilename, &pvFile, &pThis->cbBuf);
261 if (RT_SUCCESS(rc))
262 {
263 pThis->pbBuf = (uint8_t *)RTMemDup(pvFile, pThis->cbBuf);
264 RTFileReadAllFree(pvFile, pThis->cbBuf);
265 if (pThis->pbBuf)
266 {
267 if (cVerbosity > 2)
268 RTPrintf("PKCS#7 signature: %u bytes\n", pThis->cbBuf);
269
270 /*
271 * Decode it.
272 */
273 rc = SignToolPkcs7_Decode(pThis, true /*fCatalog*/);
274 if (RT_SUCCESS(rc))
275 return RTEXITCODE_SUCCESS;
276 }
277 else
278 RTMsgError("Out of memory!");
279 }
280 else
281 RTMsgError("Error reading '%s' into memory: %Rrc", pszFilename, rc);
282
283 SignToolPkcs7_Delete(pThis);
284 return RTEXITCODE_FAILURE;
285}
286
287
288/**
289 * Encodes the signature into the SIGNTOOLPKCS7::pbNewBuf and
290 * SIGNTOOLPKCS7::cbNewBuf members.
291 *
292 * @returns RTEXITCODE_SUCCESS on success, RTEXITCODE_FAILURE with error message
293 * on failure.
294 * @param pThis The signature to encode.
295 * @param cVerbosity The verbosity.
296 */
297static RTEXITCODE SignToolPkcs7_Encode(PSIGNTOOLPKCS7 pThis, unsigned cVerbosity)
298{
299 RTERRINFOSTATIC StaticErrInfo;
300 PRTASN1CORE pRoot = RTCrPkcs7ContentInfo_GetAsn1Core(&pThis->ContentInfo);
301 uint32_t cbEncoded;
302 int rc = RTAsn1EncodePrepare(pRoot, RTASN1ENCODE_F_DER, &cbEncoded, RTErrInfoInitStatic(&StaticErrInfo));
303 if (RT_SUCCESS(rc))
304 {
305 if (cVerbosity >= 4)
306 RTAsn1Dump(pRoot, 0, 0, RTStrmDumpPrintfV, g_pStdOut);
307
308 RTMemFree(pThis->pbNewBuf);
309 pThis->cbNewBuf = cbEncoded;
310 pThis->pbNewBuf = (uint8_t *)RTMemAllocZ(cbEncoded);
311 if (pThis->pbNewBuf)
312 {
313 rc = RTAsn1EncodeToBuffer(pRoot, RTASN1ENCODE_F_DER, pThis->pbNewBuf, pThis->cbNewBuf,
314 RTErrInfoInitStatic(&StaticErrInfo));
315 if (RT_SUCCESS(rc))
316 {
317 if (cVerbosity > 1)
318 RTMsgInfo("Encoded signature to %u bytes", cbEncoded);
319 return RTEXITCODE_SUCCESS;
320 }
321 RTMsgError("RTAsn1EncodeToBuffer failed: %Rrc", rc);
322
323 RTMemFree(pThis->pbNewBuf);
324 pThis->pbNewBuf = NULL;
325 }
326 else
327 RTMsgError("Failed to allocate %u bytes!", cbEncoded);
328 }
329 else
330 RTMsgError("RTAsn1EncodePrepare failed: %Rrc - %s", rc, StaticErrInfo.szMsg);
331 return RTEXITCODE_FAILURE;
332}
333
334
335/**
336 * Adds the @a pSrc signature as a nested signature.
337 *
338 * @returns RTEXITCODE_SUCCESS on success, RTEXITCODE_FAILURE with error message
339 * on failure.
340 * @param pThis The signature to modify.
341 * @param pSrc The signature to add as nested.
342 * @param cVerbosity The verbosity.
343 * @param fPrepend Whether to prepend (true) or append (false) the
344 * source signature to the nested attribute.
345 */
346static RTEXITCODE SignToolPkcs7_AddNestedSignature(PSIGNTOOLPKCS7 pThis, PSIGNTOOLPKCS7 pSrc,
347 unsigned cVerbosity, bool fPrepend)
348{
349 PRTCRPKCS7SIGNERINFO pSignerInfo = pThis->pSignedData->SignerInfos.papItems[0];
350 int rc;
351
352 /*
353 * Deal with UnauthenticatedAttributes being absent before trying to append to the array.
354 */
355 if (pSignerInfo->UnauthenticatedAttributes.cItems == 0)
356 {
357 /* HACK ALERT! Invent ASN.1 setters/whatever for members to replace this mess. */
358
359 if (pSignerInfo->AuthenticatedAttributes.cItems == 0)
360 return RTMsgErrorExit(RTEXITCODE_FAILURE, "No authenticated or unauthenticated attributes! Sorry, no can do.");
361
362 Assert(pSignerInfo->UnauthenticatedAttributes.SetCore.Asn1Core.uTag == 0);
363 rc = RTAsn1SetCore_Init(&pSignerInfo->UnauthenticatedAttributes.SetCore,
364 pSignerInfo->AuthenticatedAttributes.SetCore.Asn1Core.pOps);
365 if (RT_FAILURE(rc))
366 return RTMsgErrorExit(RTEXITCODE_FAILURE, "RTAsn1SetCore_Init failed: %Rrc", rc);
367 pSignerInfo->UnauthenticatedAttributes.SetCore.Asn1Core.uTag = 1;
368 pSignerInfo->UnauthenticatedAttributes.SetCore.Asn1Core.fClass = ASN1_TAGCLASS_CONTEXT | ASN1_TAGFLAG_CONSTRUCTED;
369 RTAsn1MemInitArrayAllocation(&pSignerInfo->UnauthenticatedAttributes.Allocation,
370 pSignerInfo->AuthenticatedAttributes.Allocation.pAllocator,
371 sizeof(**pSignerInfo->UnauthenticatedAttributes.papItems));
372 }
373
374 /*
375 * Find or add an unauthenticated attribute for nested signatures.
376 */
377 rc = VERR_NOT_FOUND;
378 PRTCRPKCS7ATTRIBUTE pAttr = NULL;
379 int32_t iPos = pSignerInfo->UnauthenticatedAttributes.cItems;
380 while (iPos-- > 0)
381 if (pSignerInfo->UnauthenticatedAttributes.papItems[iPos]->enmType == RTCRPKCS7ATTRIBUTETYPE_MS_NESTED_SIGNATURE)
382 {
383 pAttr = pSignerInfo->UnauthenticatedAttributes.papItems[iPos];
384 rc = VINF_SUCCESS;
385 break;
386 }
387 if (iPos < 0)
388 {
389 iPos = RTCrPkcs7Attributes_Append(&pSignerInfo->UnauthenticatedAttributes);
390 if (iPos >= 0)
391 {
392 if (cVerbosity >= 3)
393 RTMsgInfo("Adding UnauthenticatedAttribute #%u...", iPos);
394 Assert((uint32_t)iPos < pSignerInfo->UnauthenticatedAttributes.cItems);
395
396 pAttr = pSignerInfo->UnauthenticatedAttributes.papItems[iPos];
397 rc = RTAsn1ObjId_InitFromString(&pAttr->Type, RTCR_PKCS9_ID_MS_NESTED_SIGNATURE, pAttr->Allocation.pAllocator);
398 if (RT_SUCCESS(rc))
399 {
400 /** @todo Generalize the Type + enmType DYN stuff and generate setters. */
401 Assert(pAttr->enmType == RTCRPKCS7ATTRIBUTETYPE_NOT_PRESENT);
402 Assert(pAttr->uValues.pContentInfos == NULL);
403 pAttr->enmType = RTCRPKCS7ATTRIBUTETYPE_MS_NESTED_SIGNATURE;
404 rc = RTAsn1MemAllocZ(&pAttr->Allocation, (void **)&pAttr->uValues.pContentInfos,
405 sizeof(*pAttr->uValues.pContentInfos));
406 if (RT_SUCCESS(rc))
407 {
408 rc = RTCrPkcs7SetOfContentInfos_Init(pAttr->uValues.pContentInfos, pAttr->Allocation.pAllocator);
409 if (!RT_SUCCESS(rc))
410 RTMsgError("RTCrPkcs7ContentInfos_Init failed: %Rrc", rc);
411 }
412 else
413 RTMsgError("RTAsn1MemAllocZ failed: %Rrc", rc);
414 }
415 else
416 RTMsgError("RTAsn1ObjId_InitFromString failed: %Rrc", rc);
417 }
418 else
419 RTMsgError("RTCrPkcs7Attributes_Append failed: %Rrc", iPos);
420 }
421 else if (cVerbosity >= 2)
422 RTMsgInfo("Found UnauthenticatedAttribute #%u...", iPos);
423 if (RT_SUCCESS(rc))
424 {
425 /*
426 * Append/prepend the signature.
427 */
428 uint32_t iActualPos = UINT32_MAX;
429 iPos = fPrepend ? 0 : pAttr->uValues.pContentInfos->cItems;
430 rc = RTCrPkcs7SetOfContentInfos_InsertEx(pAttr->uValues.pContentInfos, iPos, &pSrc->ContentInfo,
431 pAttr->Allocation.pAllocator, &iActualPos);
432 if (RT_SUCCESS(rc))
433 {
434 if (cVerbosity > 0)
435 RTMsgInfo("Added nested signature (#%u)", iActualPos);
436 if (cVerbosity >= 3)
437 {
438 RTMsgInfo("SingerInfo dump after change:");
439 RTAsn1Dump(RTCrPkcs7SignerInfo_GetAsn1Core(pSignerInfo), 0, 2, RTStrmDumpPrintfV, g_pStdOut);
440 }
441 return RTEXITCODE_SUCCESS;
442 }
443
444 RTMsgError("RTCrPkcs7ContentInfos_InsertEx failed: %Rrc", rc);
445 }
446 return RTEXITCODE_FAILURE;
447}
448
449
450/**
451 * Writes the signature to the file.
452 *
453 * Caller must have called SignToolPkcs7_Encode() prior to this function.
454 *
455 * @returns RTEXITCODE_SUCCESS on success, RTEXITCODE_FAILURE with error
456 * message on failure.
457 * @param pThis The file which to write.
458 * @param cVerbosity The verbosity.
459 */
460static RTEXITCODE SignToolPkcs7_WriteSignatureToFile(PSIGNTOOLPKCS7 pThis, const char *pszFilename, unsigned cVerbosity)
461{
462 AssertReturn(pThis->cbNewBuf && pThis->pbNewBuf, RTEXITCODE_FAILURE);
463
464 /*
465 * Open+truncate file, write new signature, close. Simple.
466 */
467 RTFILE hFile;
468 int rc = RTFileOpen(&hFile, pszFilename, RTFILE_O_WRITE | RTFILE_O_OPEN_CREATE | RTFILE_O_TRUNCATE | RTFILE_O_DENY_WRITE);
469 if (RT_SUCCESS(rc))
470 {
471 rc = RTFileWrite(hFile, pThis->pbNewBuf, pThis->cbNewBuf, NULL);
472 if (RT_SUCCESS(rc))
473 {
474 rc = RTFileClose(hFile);
475 if (RT_SUCCESS(rc))
476 {
477 if (cVerbosity > 0)
478 RTMsgInfo("Wrote %u bytes to %s", pThis->cbNewBuf, pszFilename);
479 return RTEXITCODE_SUCCESS;
480 }
481
482 RTMsgError("RTFileClose failed on %s: %Rrc", pszFilename, rc);
483 }
484 else
485 RTMsgError("Write error on %s: %Rrc", pszFilename, rc);
486 }
487 else
488 RTMsgError("Failed to open %s for writing: %Rrc", pszFilename, rc);
489 return RTEXITCODE_FAILURE;
490}
491
492
493
494/**
495 * Worker for recursively searching for MS nested signatures and signer infos.
496 *
497 * @returns Pointer to the signer info corresponding to @a iSignature. NULL if
498 * not found.
499 * @param pSignedData The signature to search.
500 * @param piNextSignature Pointer to the variable keeping track of the next
501 * signature number.
502 * @param iReqSignature The request signature number.
503 * @param ppSignedData Where to return the signature data structure.
504 */
505static PRTCRPKCS7SIGNERINFO SignToolPkcs7_FindNestedSignatureByIndexWorker(PRTCRPKCS7SIGNEDDATA pSignedData,
506 uint32_t *piNextSignature,
507 uint32_t iReqSignature,
508 PRTCRPKCS7SIGNEDDATA *ppSignedData)
509{
510 for (uint32_t iSignerInfo = 0; iSignerInfo < pSignedData->SignerInfos.cItems; iSignerInfo++)
511 {
512 /* Match?*/
513 PRTCRPKCS7SIGNERINFO pSignerInfo = pSignedData->SignerInfos.papItems[iSignerInfo];
514 if (*piNextSignature == iReqSignature)
515 {
516 *ppSignedData = pSignedData;
517 return pSignerInfo;
518 }
519 *piNextSignature += 1;
520
521 /* Look for nested signatures. */
522 for (uint32_t iAttrib = 0; iAttrib < pSignerInfo->UnauthenticatedAttributes.cItems; iAttrib++)
523 if (pSignerInfo->UnauthenticatedAttributes.papItems[iAttrib]->enmType == RTCRPKCS7ATTRIBUTETYPE_MS_NESTED_SIGNATURE)
524 {
525 PRTCRPKCS7SETOFCONTENTINFOS pCntInfos;
526 pCntInfos = pSignerInfo->UnauthenticatedAttributes.papItems[iAttrib]->uValues.pContentInfos;
527 for (uint32_t iCntInfo = 0; iCntInfo < pCntInfos->cItems; iCntInfo++)
528 {
529 PRTCRPKCS7CONTENTINFO pCntInfo = pCntInfos->papItems[iCntInfo];
530 if (RTCrPkcs7ContentInfo_IsSignedData(pCntInfo))
531 {
532 PRTCRPKCS7SIGNERINFO pRet;
533 pRet = SignToolPkcs7_FindNestedSignatureByIndexWorker(pCntInfo->u.pSignedData, piNextSignature,
534 iReqSignature, ppSignedData);
535 if (pRet)
536 return pRet;
537 }
538 }
539 }
540 }
541 return NULL;
542}
543
544
545/**
546 * Locates the given nested signature.
547 *
548 * @returns Pointer to the signer info corresponding to @a iSignature. NULL if
549 * not found.
550 * @param pThis The PKCS\#7 structure to search.
551 * @param iReqSignature The requested signature number.
552 * @param ppSignedData Where to return the pointer to the signed data that
553 * the returned signer info belongs to.
554 *
555 * @todo Move into SPC or PKCS\#7.
556 */
557static PRTCRPKCS7SIGNERINFO SignToolPkcs7_FindNestedSignatureByIndex(PSIGNTOOLPKCS7 pThis, uint32_t iReqSignature,
558 PRTCRPKCS7SIGNEDDATA *ppSignedData)
559{
560 uint32_t iNextSignature = 0;
561 return SignToolPkcs7_FindNestedSignatureByIndexWorker(pThis->pSignedData, &iNextSignature, iReqSignature, ppSignedData);
562}
563
564
565
566/**
567 * Reads and decodes PKCS\#7 signature from the given executable.
568 *
569 * @returns RTEXITCODE_SUCCESS on success, RTEXITCODE_FAILURE with error message
570 * on failure.
571 * @param pThis The structure to initialize.
572 * @param pszFilename The executable filename.
573 * @param cVerbosity The verbosity.
574 * @param enmLdrArch For FAT binaries.
575 */
576static RTEXITCODE SignToolPkcs7Exe_InitFromFile(PSIGNTOOLPKCS7EXE pThis, const char *pszFilename,
577 unsigned cVerbosity, RTLDRARCH enmLdrArch = RTLDRARCH_WHATEVER)
578{
579 /*
580 * Init the return structure.
581 */
582 RT_ZERO(*pThis);
583 pThis->hLdrMod = NIL_RTLDRMOD;
584 pThis->pszFilename = pszFilename;
585
586 /*
587 * Open the image and check if it's signed.
588 */
589 int rc = RTLdrOpen(pszFilename, RTLDR_O_FOR_VALIDATION, enmLdrArch, &pThis->hLdrMod);
590 if (RT_SUCCESS(rc))
591 {
592 bool fIsSigned = false;
593 rc = RTLdrQueryProp(pThis->hLdrMod, RTLDRPROP_IS_SIGNED, &fIsSigned, sizeof(fIsSigned));
594 if (RT_SUCCESS(rc) && fIsSigned)
595 {
596 /*
597 * Query the PKCS#7 data (assuming M$ style signing) and hand it to a worker.
598 */
599 size_t cbActual = 0;
600#ifdef DEBUG
601 size_t cbBuf = 64;
602#else
603 size_t cbBuf = _512K;
604#endif
605 void *pvBuf = RTMemAllocZ(cbBuf);
606 if (pvBuf)
607 {
608 rc = RTLdrQueryPropEx(pThis->hLdrMod, RTLDRPROP_PKCS7_SIGNED_DATA, NULL /*pvBits*/, pvBuf, cbBuf, &cbActual);
609 if (rc == VERR_BUFFER_OVERFLOW)
610 {
611 RTMemFree(pvBuf);
612 cbBuf = cbActual;
613 pvBuf = RTMemAllocZ(cbActual);
614 if (pvBuf)
615 rc = RTLdrQueryPropEx(pThis->hLdrMod, RTLDRPROP_PKCS7_SIGNED_DATA, NULL /*pvBits*/,
616 pvBuf, cbBuf, &cbActual);
617 else
618 rc = VERR_NO_MEMORY;
619 }
620 }
621 else
622 rc = VERR_NO_MEMORY;
623
624 pThis->pbBuf = (uint8_t *)pvBuf;
625 pThis->cbBuf = cbActual;
626 if (RT_SUCCESS(rc))
627 {
628 if (cVerbosity > 2)
629 RTPrintf("PKCS#7 signature: %u bytes\n", cbActual);
630 if (cVerbosity > 3)
631 RTPrintf("%.*Rhxd\n", cbActual, pvBuf);
632
633 /*
634 * Decode it.
635 */
636 rc = SignToolPkcs7_Decode(pThis, false /*fCatalog*/);
637 if (RT_SUCCESS(rc))
638 return RTEXITCODE_SUCCESS;
639 }
640 else
641 RTMsgError("RTLdrQueryPropEx/RTLDRPROP_PKCS7_SIGNED_DATA failed on '%s': %Rrc\n", pszFilename, rc);
642 }
643 else if (RT_SUCCESS(rc))
644 RTMsgInfo("'%s': not signed\n", pszFilename);
645 else
646 RTMsgError("RTLdrQueryProp/RTLDRPROP_IS_SIGNED failed on '%s': %Rrc\n", pszFilename, rc);
647 }
648 else
649 RTMsgError("Error opening executable image '%s': %Rrc", pszFilename, rc);
650
651 SignToolPkcs7Exe_Delete(pThis);
652 return RTEXITCODE_FAILURE;
653}
654
655
656/**
657 * Calculates the checksum of an executable.
658 *
659 * @returns Success indicator (errors are reported)
660 * @param pThis The exe file to checksum.
661 * @param hFile The file handle.
662 * @param puCheckSum Where to return the checksum.
663 */
664static bool SignToolPkcs7Exe_CalcPeCheckSum(PSIGNTOOLPKCS7EXE pThis, RTFILE hFile, uint32_t *puCheckSum)
665{
666#ifdef RT_OS_WINDOWS
667 /*
668 * Try use IMAGEHLP!MapFileAndCheckSumW first.
669 */
670 PRTUTF16 pwszPath;
671 int rc = RTStrToUtf16(pThis->pszFilename, &pwszPath);
672 if (RT_SUCCESS(rc))
673 {
674 decltype(MapFileAndCheckSumW) *pfnMapFileAndCheckSumW;
675 pfnMapFileAndCheckSumW = (decltype(MapFileAndCheckSumW) *)RTLdrGetSystemSymbol("IMAGEHLP.DLL", "MapFileAndCheckSumW");
676 if (pfnMapFileAndCheckSumW)
677 {
678 DWORD uHeaderSum = UINT32_MAX;
679 DWORD uCheckSum = UINT32_MAX;
680 DWORD dwRc = pfnMapFileAndCheckSumW(pwszPath, &uHeaderSum, &uCheckSum);
681 if (dwRc == CHECKSUM_SUCCESS)
682 {
683 *puCheckSum = uCheckSum;
684 return true;
685 }
686 }
687 }
688#endif
689
690 RT_NOREF(pThis, hFile, puCheckSum);
691 RTMsgError("Implement check sum calcuation fallback!");
692 return false;
693}
694
695
696/**
697 * Writes the signature to the file.
698 *
699 * This has the side-effect of closing the hLdrMod member. So, it can only be
700 * called once!
701 *
702 * Caller must have called SignToolPkcs7_Encode() prior to this function.
703 *
704 * @returns RTEXITCODE_SUCCESS on success, RTEXITCODE_FAILURE with error
705 * message on failure.
706 * @param pThis The file which to write.
707 * @param cVerbosity The verbosity.
708 */
709static RTEXITCODE SignToolPkcs7Exe_WriteSignatureToFile(PSIGNTOOLPKCS7EXE pThis, unsigned cVerbosity)
710{
711 AssertReturn(pThis->cbNewBuf && pThis->pbNewBuf, RTEXITCODE_FAILURE);
712
713 /*
714 * Get the file header offset and arch before closing the destination handle.
715 */
716 uint32_t offNtHdrs;
717 int rc = RTLdrQueryProp(pThis->hLdrMod, RTLDRPROP_FILE_OFF_HEADER, &offNtHdrs, sizeof(offNtHdrs));
718 if (RT_SUCCESS(rc))
719 {
720 RTLDRARCH enmLdrArch = RTLdrGetArch(pThis->hLdrMod);
721 if (enmLdrArch != RTLDRARCH_INVALID)
722 {
723 RTLdrClose(pThis->hLdrMod);
724 pThis->hLdrMod = NIL_RTLDRMOD;
725 unsigned cbNtHdrs = 0;
726 switch (enmLdrArch)
727 {
728 case RTLDRARCH_AMD64:
729 cbNtHdrs = sizeof(IMAGE_NT_HEADERS64);
730 break;
731 case RTLDRARCH_X86_32:
732 cbNtHdrs = sizeof(IMAGE_NT_HEADERS32);
733 break;
734 default:
735 RTMsgError("Unknown image arch: %d", enmLdrArch);
736 }
737 if (cbNtHdrs > 0)
738 {
739 if (cVerbosity > 0)
740 RTMsgInfo("offNtHdrs=%#x cbNtHdrs=%u\n", offNtHdrs, cbNtHdrs);
741
742 /*
743 * Open the executable file for writing.
744 */
745 RTFILE hFile;
746 rc = RTFileOpen(&hFile, pThis->pszFilename, RTFILE_O_READWRITE | RTFILE_O_OPEN | RTFILE_O_DENY_WRITE);
747 if (RT_SUCCESS(rc))
748 {
749 /* Read the file header and locate the security directory entry. */
750 union
751 {
752 IMAGE_NT_HEADERS32 NtHdrs32;
753 IMAGE_NT_HEADERS64 NtHdrs64;
754 } uBuf;
755 PIMAGE_DATA_DIRECTORY pSecDir = cbNtHdrs == sizeof(IMAGE_NT_HEADERS64)
756 ? &uBuf.NtHdrs64.OptionalHeader.DataDirectory[IMAGE_DIRECTORY_ENTRY_SECURITY]
757 : &uBuf.NtHdrs32.OptionalHeader.DataDirectory[IMAGE_DIRECTORY_ENTRY_SECURITY];
758
759 rc = RTFileReadAt(hFile, offNtHdrs, &uBuf, cbNtHdrs, NULL);
760 if ( RT_SUCCESS(rc)
761 && uBuf.NtHdrs32.Signature == IMAGE_NT_SIGNATURE)
762 {
763 /*
764 * Drop any old signature by truncating the file.
765 */
766 if ( pSecDir->Size > 8
767 && pSecDir->VirtualAddress > offNtHdrs + sizeof(IMAGE_NT_HEADERS32))
768 {
769 rc = RTFileSetSize(hFile, pSecDir->VirtualAddress);
770 if (RT_FAILURE(rc))
771 RTMsgError("Error truncating file to %#x bytes: %Rrc", pSecDir->VirtualAddress, rc);
772 }
773 else
774 rc = RTMsgErrorRc(VERR_BAD_EXE_FORMAT, "Bad security directory entry: VA=%#x Size=%#x",
775 pSecDir->VirtualAddress, pSecDir->Size);
776 if (RT_SUCCESS(rc))
777 {
778 /*
779 * Sector align the signature portion.
780 */
781 uint32_t const cbWinCert = RT_UOFFSETOF(WIN_CERTIFICATE, bCertificate);
782 uint64_t offCur = 0;
783 rc = RTFileGetSize(hFile, &offCur);
784 if ( RT_SUCCESS(rc)
785 && offCur < _2G)
786 {
787 if (offCur & 0x1ff)
788 {
789 uint32_t cbNeeded = 0x200 - ((uint32_t)offCur & 0x1ff);
790 rc = RTFileWriteAt(hFile, offCur, g_abRTZero4K, cbNeeded, NULL);
791 if (RT_SUCCESS(rc))
792 offCur += cbNeeded;
793 }
794 if (RT_SUCCESS(rc))
795 {
796 /*
797 * Write the header followed by the signature data.
798 */
799 uint32_t const cbZeroPad = (uint32_t)(RT_ALIGN_Z(pThis->cbNewBuf, 8) - pThis->cbNewBuf);
800 pSecDir->VirtualAddress = (uint32_t)offCur;
801 pSecDir->Size = cbWinCert + (uint32_t)pThis->cbNewBuf + cbZeroPad;
802 if (cVerbosity >= 2)
803 RTMsgInfo("Writing %u (%#x) bytes of signature at %#x (%u).\n",
804 pSecDir->Size, pSecDir->Size, pSecDir->VirtualAddress, pSecDir->VirtualAddress);
805
806 WIN_CERTIFICATE WinCert;
807 WinCert.dwLength = pSecDir->Size;
808 WinCert.wRevision = WIN_CERT_REVISION_2_0;
809 WinCert.wCertificateType = WIN_CERT_TYPE_PKCS_SIGNED_DATA;
810
811 rc = RTFileWriteAt(hFile, offCur, &WinCert, cbWinCert, NULL);
812 if (RT_SUCCESS(rc))
813 {
814 offCur += cbWinCert;
815 rc = RTFileWriteAt(hFile, offCur, pThis->pbNewBuf, pThis->cbNewBuf, NULL);
816 }
817 if (RT_SUCCESS(rc) && cbZeroPad)
818 {
819 offCur += pThis->cbNewBuf;
820 rc = RTFileWriteAt(hFile, offCur, g_abRTZero4K, cbZeroPad, NULL);
821 }
822 if (RT_SUCCESS(rc))
823 {
824 /*
825 * Reset the checksum (sec dir updated already) and rewrite the header.
826 */
827 uBuf.NtHdrs32.OptionalHeader.CheckSum = 0;
828 offCur = offNtHdrs;
829 rc = RTFileWriteAt(hFile, offNtHdrs, &uBuf, cbNtHdrs, NULL);
830 if (RT_SUCCESS(rc))
831 rc = RTFileFlush(hFile);
832 if (RT_SUCCESS(rc))
833 {
834 /*
835 * Calc checksum and write out the header again.
836 */
837 uint32_t uCheckSum = UINT32_MAX;
838 if (SignToolPkcs7Exe_CalcPeCheckSum(pThis, hFile, &uCheckSum))
839 {
840 uBuf.NtHdrs32.OptionalHeader.CheckSum = uCheckSum;
841 rc = RTFileWriteAt(hFile, offNtHdrs, &uBuf, cbNtHdrs, NULL);
842 if (RT_SUCCESS(rc))
843 rc = RTFileFlush(hFile);
844 if (RT_SUCCESS(rc))
845 {
846 rc = RTFileClose(hFile);
847 if (RT_SUCCESS(rc))
848 return RTEXITCODE_SUCCESS;
849 RTMsgError("RTFileClose failed: %Rrc\n", rc);
850 return RTEXITCODE_FAILURE;
851 }
852 }
853 }
854 }
855 }
856 if (RT_FAILURE(rc))
857 RTMsgError("Write error at %#RX64: %Rrc", offCur, rc);
858 }
859 else if (RT_SUCCESS(rc))
860 RTMsgError("File to big: %'RU64 bytes", offCur);
861 else
862 RTMsgError("RTFileGetSize failed: %Rrc", rc);
863 }
864 }
865 else if (RT_SUCCESS(rc))
866 RTMsgError("Not NT executable header!");
867 else
868 RTMsgError("Error reading NT headers (%#x bytes) at %#x: %Rrc", cbNtHdrs, offNtHdrs, rc);
869 RTFileClose(hFile);
870 }
871 else
872 RTMsgError("Failed to open '%s' for writing: %Rrc", pThis->pszFilename, rc);
873 }
874 }
875 else
876 RTMsgError("RTLdrGetArch failed!");
877 }
878 else
879 RTMsgError("RTLdrQueryProp/RTLDRPROP_FILE_OFF_HEADER failed: %Rrc", rc);
880 return RTEXITCODE_FAILURE;
881}
882
883
884
885/*
886 * The 'extract-exe-signer-cert' command.
887 */
888static RTEXITCODE HelpExtractExeSignerCert(PRTSTREAM pStrm, RTSIGNTOOLHELP enmLevel)
889{
890 RT_NOREF_PV(enmLevel);
891 RTStrmPrintf(pStrm, "extract-exe-signer-cert [--ber|--cer|--der] [--signature-index|-i <num>] [--exe|-e] <exe> [--output|-o] <outfile.cer>\n");
892 return RTEXITCODE_SUCCESS;
893}
894
895static RTEXITCODE HandleExtractExeSignerCert(int cArgs, char **papszArgs)
896{
897 /*
898 * Parse arguments.
899 */
900 static const RTGETOPTDEF s_aOptions[] =
901 {
902 { "--ber", 'b', RTGETOPT_REQ_NOTHING },
903 { "--cer", 'c', RTGETOPT_REQ_NOTHING },
904 { "--der", 'd', RTGETOPT_REQ_NOTHING },
905 { "--exe", 'e', RTGETOPT_REQ_STRING },
906 { "--output", 'o', RTGETOPT_REQ_STRING },
907 { "--signature-index", 'i', RTGETOPT_REQ_UINT32 },
908 };
909
910 const char *pszExe = NULL;
911 const char *pszOut = NULL;
912 RTLDRARCH enmLdrArch = RTLDRARCH_WHATEVER;
913 unsigned cVerbosity = 0;
914 uint32_t fCursorFlags = RTASN1CURSOR_FLAGS_DER;
915 uint32_t iSignature = 0;
916
917 RTGETOPTSTATE GetState;
918 int rc = RTGetOptInit(&GetState, cArgs, papszArgs, s_aOptions, RT_ELEMENTS(s_aOptions), 1, RTGETOPTINIT_FLAGS_OPTS_FIRST);
919 AssertRCReturn(rc, RTEXITCODE_FAILURE);
920 RTGETOPTUNION ValueUnion;
921 int ch;
922 while ((ch = RTGetOpt(&GetState, &ValueUnion)))
923 {
924 switch (ch)
925 {
926 case 'e': pszExe = ValueUnion.psz; break;
927 case 'o': pszOut = ValueUnion.psz; break;
928 case 'b': fCursorFlags = 0; break;
929 case 'c': fCursorFlags = RTASN1CURSOR_FLAGS_CER; break;
930 case 'd': fCursorFlags = RTASN1CURSOR_FLAGS_DER; break;
931 case 'i': iSignature = ValueUnion.u32; break;
932 case 'V': return HandleVersion(cArgs, papszArgs);
933 case 'h': return HelpExtractExeSignerCert(g_pStdOut, RTSIGNTOOLHELP_FULL);
934
935 case VINF_GETOPT_NOT_OPTION:
936 if (!pszExe)
937 pszExe = ValueUnion.psz;
938 else if (!pszOut)
939 pszOut = ValueUnion.psz;
940 else
941 return RTMsgErrorExit(RTEXITCODE_FAILURE, "Too many file arguments: %s", ValueUnion.psz);
942 break;
943
944 default:
945 return RTGetOptPrintError(ch, &ValueUnion);
946 }
947 }
948 if (!pszExe)
949 return RTMsgErrorExit(RTEXITCODE_FAILURE, "No executable given.");
950 if (!pszOut)
951 return RTMsgErrorExit(RTEXITCODE_FAILURE, "No output file given.");
952 if (RTPathExists(pszOut))
953 return RTMsgErrorExit(RTEXITCODE_FAILURE, "The output file '%s' exists.", pszOut);
954
955 /*
956 * Do it.
957 */
958 /* Read & decode the PKCS#7 signature. */
959 SIGNTOOLPKCS7EXE This;
960 RTEXITCODE rcExit = SignToolPkcs7Exe_InitFromFile(&This, pszExe, cVerbosity, enmLdrArch);
961 if (rcExit == RTEXITCODE_SUCCESS)
962 {
963 /* Find the signing certificate (ASSUMING that the certificate used is shipped in the set of certificates). */
964 PRTCRPKCS7SIGNEDDATA pSignedData;
965 PCRTCRPKCS7SIGNERINFO pSignerInfo = SignToolPkcs7_FindNestedSignatureByIndex(&This, iSignature, &pSignedData);
966 rcExit = RTEXITCODE_FAILURE;
967 if (pSignerInfo)
968 {
969 PCRTCRPKCS7ISSUERANDSERIALNUMBER pISN = &pSignedData->SignerInfos.papItems[0]->IssuerAndSerialNumber;
970 PCRTCRX509CERTIFICATE pCert;
971 pCert = RTCrPkcs7SetOfCerts_FindX509ByIssuerAndSerialNumber(&pSignedData->Certificates,
972 &pISN->Name, &pISN->SerialNumber);
973 if (pCert)
974 {
975 /*
976 * Write it out.
977 */
978 RTFILE hFile;
979 rc = RTFileOpen(&hFile, pszOut, RTFILE_O_WRITE | RTFILE_O_DENY_WRITE | RTFILE_O_CREATE);
980 if (RT_SUCCESS(rc))
981 {
982 uint32_t cbCert = pCert->SeqCore.Asn1Core.cbHdr + pCert->SeqCore.Asn1Core.cb;
983 rc = RTFileWrite(hFile, pCert->SeqCore.Asn1Core.uData.pu8 - pCert->SeqCore.Asn1Core.cbHdr,
984 cbCert, NULL);
985 if (RT_SUCCESS(rc))
986 {
987 rc = RTFileClose(hFile);
988 if (RT_SUCCESS(rc))
989 {
990 hFile = NIL_RTFILE;
991 rcExit = RTEXITCODE_SUCCESS;
992 RTMsgInfo("Successfully wrote %u bytes to '%s'", cbCert, pszOut);
993 }
994 else
995 RTMsgError("RTFileClose failed: %Rrc", rc);
996 }
997 else
998 RTMsgError("RTFileWrite failed: %Rrc", rc);
999 RTFileClose(hFile);
1000 }
1001 else
1002 RTMsgError("Error opening '%s' for writing: %Rrc", pszOut, rc);
1003 }
1004 else
1005 RTMsgError("Certificate not found.");
1006 }
1007 else
1008 RTMsgError("Could not locate signature #%u!", iSignature);
1009
1010 /* Delete the signature data. */
1011 SignToolPkcs7Exe_Delete(&This);
1012 }
1013 return rcExit;
1014}
1015
1016
1017/*
1018 * The 'add-nested-exe-signature' command.
1019 */
1020static RTEXITCODE HelpAddNestedExeSignature(PRTSTREAM pStrm, RTSIGNTOOLHELP enmLevel)
1021{
1022 RT_NOREF_PV(enmLevel);
1023 RTStrmPrintf(pStrm, "add-nested-exe-signature [-v|--verbose] [-d|--debug] [-p|--prepend] <destination-exe> <source-exe>\n");
1024 if (enmLevel == RTSIGNTOOLHELP_FULL)
1025 RTStrmPrintf(pStrm,
1026 "\n"
1027 "The --debug option allows the source-exe to be omitted in order to test the\n"
1028 "encoding and PE file modification.\n"
1029 "\n"
1030 "The --prepend option puts the nested signature first rather than appending it\n"
1031 "to the end of of the nested signature set. Windows reads nested signatures in\n"
1032 "reverse order, so --prepend will logically putting it last.\n"
1033 );
1034 return RTEXITCODE_SUCCESS;
1035}
1036
1037
1038static RTEXITCODE HandleAddNestedExeSignature(int cArgs, char **papszArgs)
1039{
1040 /*
1041 * Parse arguments.
1042 */
1043 static const RTGETOPTDEF s_aOptions[] =
1044 {
1045 { "--prepend", 'p', RTGETOPT_REQ_NOTHING },
1046 { "--verbose", 'v', RTGETOPT_REQ_NOTHING },
1047 { "--debug", 'd', RTGETOPT_REQ_NOTHING },
1048 };
1049
1050 const char *pszDst = NULL;
1051 const char *pszSrc = NULL;
1052 unsigned cVerbosity = 0;
1053 bool fDebug = false;
1054 bool fPrepend = false;
1055
1056 RTGETOPTSTATE GetState;
1057 int rc = RTGetOptInit(&GetState, cArgs, papszArgs, s_aOptions, RT_ELEMENTS(s_aOptions), 1, RTGETOPTINIT_FLAGS_OPTS_FIRST);
1058 AssertRCReturn(rc, RTEXITCODE_FAILURE);
1059 RTGETOPTUNION ValueUnion;
1060 int ch;
1061 while ((ch = RTGetOpt(&GetState, &ValueUnion)))
1062 {
1063 switch (ch)
1064 {
1065 case 'v': cVerbosity++; break;
1066 case 'd': fDebug = pszSrc == NULL; break;
1067 case 'p': fPrepend = true; break;
1068 case 'V': return HandleVersion(cArgs, papszArgs);
1069 case 'h': return HelpAddNestedExeSignature(g_pStdOut, RTSIGNTOOLHELP_FULL);
1070
1071 case VINF_GETOPT_NOT_OPTION:
1072 if (!pszDst)
1073 pszDst = ValueUnion.psz;
1074 else if (!pszSrc)
1075 {
1076 pszSrc = ValueUnion.psz;
1077 fDebug = false;
1078 }
1079 else
1080 return RTMsgErrorExit(RTEXITCODE_FAILURE, "Too many file arguments: %s", ValueUnion.psz);
1081 break;
1082
1083 default:
1084 return RTGetOptPrintError(ch, &ValueUnion);
1085 }
1086 }
1087 if (!pszDst)
1088 return RTMsgErrorExit(RTEXITCODE_FAILURE, "No destination executable given.");
1089 if (!pszSrc && !fDebug)
1090 return RTMsgErrorExit(RTEXITCODE_FAILURE, "No source executable file given.");
1091
1092 /*
1093 * Do it.
1094 */
1095 /* Read & decode the source PKCS#7 signature. */
1096 SIGNTOOLPKCS7EXE Src;
1097 RTEXITCODE rcExit = pszSrc ? SignToolPkcs7Exe_InitFromFile(&Src, pszSrc, cVerbosity) : RTEXITCODE_SUCCESS;
1098 if (rcExit == RTEXITCODE_SUCCESS)
1099 {
1100 /* Ditto for the destination PKCS#7 signature. */
1101 SIGNTOOLPKCS7EXE Dst;
1102 rcExit = SignToolPkcs7Exe_InitFromFile(&Dst, pszDst, cVerbosity);
1103 if (rcExit == RTEXITCODE_SUCCESS)
1104 {
1105 /* Do the signature manipulation. */
1106 if (pszSrc)
1107 rcExit = SignToolPkcs7_AddNestedSignature(&Dst, &Src, cVerbosity, fPrepend);
1108 if (rcExit == RTEXITCODE_SUCCESS)
1109 rcExit = SignToolPkcs7_Encode(&Dst, cVerbosity);
1110
1111 /* Update the destination executable file. */
1112 if (rcExit == RTEXITCODE_SUCCESS)
1113 rcExit = SignToolPkcs7Exe_WriteSignatureToFile(&Dst, cVerbosity);
1114
1115 SignToolPkcs7Exe_Delete(&Dst);
1116 }
1117 if (pszSrc)
1118 SignToolPkcs7Exe_Delete(&Src);
1119 }
1120
1121 return rcExit;
1122}
1123
1124
1125/*
1126 * The 'add-nested-cat-signature' command.
1127 */
1128static RTEXITCODE HelpAddNestedCatSignature(PRTSTREAM pStrm, RTSIGNTOOLHELP enmLevel)
1129{
1130 RT_NOREF_PV(enmLevel);
1131 RTStrmPrintf(pStrm, "add-nested-cat-signature [-v|--verbose] [-d|--debug] [-p|--prepend] <destination-cat> <source-cat>\n");
1132 if (enmLevel == RTSIGNTOOLHELP_FULL)
1133 RTStrmPrintf(pStrm,
1134 "\n"
1135 "The --debug option allows the source-cat to be omitted in order to test the\n"
1136 "ASN.1 re-encoding of the destination catalog file.\n"
1137 "\n"
1138 "The --prepend option puts the nested signature first rather than appending it\n"
1139 "to the end of of the nested signature set. Windows reads nested signatures in\n"
1140 "reverse order, so --prepend will logically putting it last.\n"
1141 );
1142 return RTEXITCODE_SUCCESS;
1143}
1144
1145
1146static RTEXITCODE HandleAddNestedCatSignature(int cArgs, char **papszArgs)
1147{
1148 /*
1149 * Parse arguments.
1150 */
1151 static const RTGETOPTDEF s_aOptions[] =
1152 {
1153 { "--prepend", 'p', RTGETOPT_REQ_NOTHING },
1154 { "--verbose", 'v', RTGETOPT_REQ_NOTHING },
1155 { "--debug", 'd', RTGETOPT_REQ_NOTHING },
1156 };
1157
1158 const char *pszDst = NULL;
1159 const char *pszSrc = NULL;
1160 unsigned cVerbosity = 0;
1161 bool fDebug = false;
1162 bool fPrepend = false;
1163
1164 RTGETOPTSTATE GetState;
1165 int rc = RTGetOptInit(&GetState, cArgs, papszArgs, s_aOptions, RT_ELEMENTS(s_aOptions), 1, RTGETOPTINIT_FLAGS_OPTS_FIRST);
1166 AssertRCReturn(rc, RTEXITCODE_FAILURE);
1167 RTGETOPTUNION ValueUnion;
1168 int ch;
1169 while ((ch = RTGetOpt(&GetState, &ValueUnion)))
1170 {
1171 switch (ch)
1172 {
1173 case 'v': cVerbosity++; break;
1174 case 'd': fDebug = pszSrc == NULL; break;
1175 case 'p': fPrepend = true; break;
1176 case 'V': return HandleVersion(cArgs, papszArgs);
1177 case 'h': return HelpAddNestedCatSignature(g_pStdOut, RTSIGNTOOLHELP_FULL);
1178
1179 case VINF_GETOPT_NOT_OPTION:
1180 if (!pszDst)
1181 pszDst = ValueUnion.psz;
1182 else if (!pszSrc)
1183 {
1184 pszSrc = ValueUnion.psz;
1185 fDebug = false;
1186 }
1187 else
1188 return RTMsgErrorExit(RTEXITCODE_FAILURE, "Too many file arguments: %s", ValueUnion.psz);
1189 break;
1190
1191 default:
1192 return RTGetOptPrintError(ch, &ValueUnion);
1193 }
1194 }
1195 if (!pszDst)
1196 return RTMsgErrorExit(RTEXITCODE_FAILURE, "No destination catalog file given.");
1197 if (!pszSrc && !fDebug)
1198 return RTMsgErrorExit(RTEXITCODE_FAILURE, "No source catalog file given.");
1199
1200 /*
1201 * Do it.
1202 */
1203 /* Read & decode the source PKCS#7 signature. */
1204 SIGNTOOLPKCS7 Src;
1205 RTEXITCODE rcExit = pszSrc ? SignToolPkcs7_InitFromFile(&Src, pszSrc, cVerbosity) : RTEXITCODE_SUCCESS;
1206 if (rcExit == RTEXITCODE_SUCCESS)
1207 {
1208 /* Ditto for the destination PKCS#7 signature. */
1209 SIGNTOOLPKCS7EXE Dst;
1210 rcExit = SignToolPkcs7_InitFromFile(&Dst, pszDst, cVerbosity);
1211 if (rcExit == RTEXITCODE_SUCCESS)
1212 {
1213 /* Do the signature manipulation. */
1214 if (pszSrc)
1215 rcExit = SignToolPkcs7_AddNestedSignature(&Dst, &Src, cVerbosity, fPrepend);
1216 if (rcExit == RTEXITCODE_SUCCESS)
1217 rcExit = SignToolPkcs7_Encode(&Dst, cVerbosity);
1218
1219 /* Update the destination executable file. */
1220 if (rcExit == RTEXITCODE_SUCCESS)
1221 rcExit = SignToolPkcs7_WriteSignatureToFile(&Dst, pszDst, cVerbosity);
1222
1223 SignToolPkcs7_Delete(&Dst);
1224 }
1225 if (pszSrc)
1226 SignToolPkcs7_Delete(&Src);
1227 }
1228
1229 return rcExit;
1230}
1231
1232#ifndef IPRT_IN_BUILD_TOOL
1233
1234/*
1235 * The 'verify-exe' command.
1236 */
1237static RTEXITCODE HelpVerifyExe(PRTSTREAM pStrm, RTSIGNTOOLHELP enmLevel)
1238{
1239 RT_NOREF_PV(enmLevel);
1240 RTStrmPrintf(pStrm,
1241 "verify-exe [--verbose|--quiet] [--kernel] [--root <root-cert.der>] [--additional <supp-cert.der>]\n"
1242 " [--type <win|osx>] <exe1> [exe2 [..]]\n");
1243 return RTEXITCODE_SUCCESS;
1244}
1245
1246typedef struct VERIFYEXESTATE
1247{
1248 RTCRSTORE hRootStore;
1249 RTCRSTORE hKernelRootStore;
1250 RTCRSTORE hAdditionalStore;
1251 bool fKernel;
1252 int cVerbose;
1253 enum { kSignType_Windows, kSignType_OSX } enmSignType;
1254 uint64_t uTimestamp;
1255 RTLDRARCH enmLdrArch;
1256} VERIFYEXESTATE;
1257
1258# ifdef VBOX
1259/** Certificate store load set.
1260 * Declared outside HandleVerifyExe because of braindead gcc visibility crap. */
1261struct STSTORESET
1262{
1263 RTCRSTORE hStore;
1264 PCSUPTAENTRY paTAs;
1265 unsigned cTAs;
1266};
1267# endif
1268
1269/**
1270 * @callback_method_impl{FNRTCRPKCS7VERIFYCERTCALLBACK,
1271 * Standard code signing. Use this for Microsoft SPC.}
1272 */
1273static DECLCALLBACK(int) VerifyExecCertVerifyCallback(PCRTCRX509CERTIFICATE pCert, RTCRX509CERTPATHS hCertPaths, uint32_t fFlags,
1274 void *pvUser, PRTERRINFO pErrInfo)
1275{
1276 VERIFYEXESTATE *pState = (VERIFYEXESTATE *)pvUser;
1277 uint32_t cPaths = hCertPaths != NIL_RTCRX509CERTPATHS ? RTCrX509CertPathsGetPathCount(hCertPaths) : 0;
1278
1279 /*
1280 * Dump all the paths.
1281 */
1282 if (pState->cVerbose > 0)
1283 {
1284 for (uint32_t iPath = 0; iPath < cPaths; iPath++)
1285 {
1286 RTPrintf("---\n");
1287 RTCrX509CertPathsDumpOne(hCertPaths, iPath, pState->cVerbose, RTStrmDumpPrintfV, g_pStdOut);
1288 *pErrInfo->pszMsg = '\0';
1289 }
1290 RTPrintf("---\n");
1291 }
1292
1293 /*
1294 * Test signing certificates normally doesn't have all the necessary
1295 * features required below. So, treat them as special cases.
1296 */
1297 if ( hCertPaths == NIL_RTCRX509CERTPATHS
1298 && RTCrX509Name_Compare(&pCert->TbsCertificate.Issuer, &pCert->TbsCertificate.Subject) == 0)
1299 {
1300 RTMsgInfo("Test signed.\n");
1301 return VINF_SUCCESS;
1302 }
1303
1304 if (hCertPaths == NIL_RTCRX509CERTPATHS)
1305 RTMsgInfo("Signed by trusted certificate.\n");
1306
1307 /*
1308 * Standard code signing capabilites required.
1309 */
1310 int rc = RTCrPkcs7VerifyCertCallbackCodeSigning(pCert, hCertPaths, fFlags, NULL, pErrInfo);
1311 if ( RT_SUCCESS(rc)
1312 && (fFlags & RTCRPKCS7VCC_F_SIGNED_DATA))
1313 {
1314 /*
1315 * If windows kernel signing, a valid certificate path must be anchored
1316 * by the microsoft kernel signing root certificate. The only
1317 * alternative is test signing.
1318 */
1319 if ( pState->fKernel
1320 && hCertPaths != NIL_RTCRX509CERTPATHS
1321 && pState->enmSignType == VERIFYEXESTATE::kSignType_Windows)
1322 {
1323 uint32_t cFound = 0;
1324 uint32_t cValid = 0;
1325 for (uint32_t iPath = 0; iPath < cPaths; iPath++)
1326 {
1327 bool fTrusted;
1328 PCRTCRX509NAME pSubject;
1329 PCRTCRX509SUBJECTPUBLICKEYINFO pPublicKeyInfo;
1330 int rcVerify;
1331 rc = RTCrX509CertPathsQueryPathInfo(hCertPaths, iPath, &fTrusted, NULL /*pcNodes*/, &pSubject, &pPublicKeyInfo,
1332 NULL, NULL /*pCertCtx*/, &rcVerify);
1333 AssertRCBreak(rc);
1334
1335 if (RT_SUCCESS(rcVerify))
1336 {
1337 Assert(fTrusted);
1338 cValid++;
1339
1340 /* Search the kernel signing root store for a matching anchor. */
1341 RTCRSTORECERTSEARCH Search;
1342 rc = RTCrStoreCertFindBySubjectOrAltSubjectByRfc5280(pState->hKernelRootStore, pSubject, &Search);
1343 AssertRCBreak(rc);
1344 PCRTCRCERTCTX pCertCtx;
1345 while ((pCertCtx = RTCrStoreCertSearchNext(pState->hKernelRootStore, &Search)) != NULL)
1346 {
1347 PCRTCRX509SUBJECTPUBLICKEYINFO pPubKeyInfo;
1348 if (pCertCtx->pCert)
1349 pPubKeyInfo = &pCertCtx->pCert->TbsCertificate.SubjectPublicKeyInfo;
1350 else if (pCertCtx->pTaInfo)
1351 pPubKeyInfo = &pCertCtx->pTaInfo->PubKey;
1352 else
1353 pPubKeyInfo = NULL;
1354 if (RTCrX509SubjectPublicKeyInfo_Compare(pPubKeyInfo, pPublicKeyInfo) == 0)
1355 cFound++;
1356 RTCrCertCtxRelease(pCertCtx);
1357 }
1358
1359 int rc2 = RTCrStoreCertSearchDestroy(pState->hKernelRootStore, &Search); AssertRC(rc2);
1360 }
1361 }
1362 if (RT_SUCCESS(rc) && cFound == 0)
1363 rc = RTErrInfoSetF(pErrInfo, VERR_GENERAL_FAILURE, "Not valid kernel code signature.");
1364 if (RT_SUCCESS(rc) && cValid != 2)
1365 RTMsgWarning("%u valid paths, expected 2", cValid);
1366 }
1367 /*
1368 * For Mac OS X signing, check for special developer ID attributes.
1369 */
1370 else if (pState->enmSignType == VERIFYEXESTATE::kSignType_OSX)
1371 {
1372 uint32_t cDevIdApp = 0;
1373 uint32_t cDevIdKext = 0;
1374 for (uint32_t i = 0; i < pCert->TbsCertificate.T3.Extensions.cItems; i++)
1375 {
1376 PCRTCRX509EXTENSION pExt = pCert->TbsCertificate.T3.Extensions.papItems[i];
1377 if (RTAsn1ObjId_CompareWithString(&pExt->ExtnId, RTCR_APPLE_CS_DEVID_APPLICATION_OID) == 0)
1378 {
1379 cDevIdApp++;
1380 if (!pExt->Critical.fValue)
1381 rc = RTErrInfoSetF(pErrInfo, VERR_GENERAL_FAILURE,
1382 "Dev ID Application certificate extension is not flagged critical");
1383 }
1384 else if (RTAsn1ObjId_CompareWithString(&pExt->ExtnId, RTCR_APPLE_CS_DEVID_KEXT_OID) == 0)
1385 {
1386 cDevIdKext++;
1387 if (!pExt->Critical.fValue)
1388 rc = RTErrInfoSetF(pErrInfo, VERR_GENERAL_FAILURE,
1389 "Dev ID kext certificate extension is not flagged critical");
1390 }
1391 }
1392 if (cDevIdApp == 0)
1393 rc = RTErrInfoSetF(pErrInfo, VERR_GENERAL_FAILURE,
1394 "Certificate is missing the 'Dev ID Application' extension");
1395 if (cDevIdKext == 0 && pState->fKernel)
1396 rc = RTErrInfoSetF(pErrInfo, VERR_GENERAL_FAILURE,
1397 "Certificate is missing the 'Dev ID kext' extension");
1398 }
1399 }
1400
1401 return rc;
1402}
1403
1404
1405/** @callback_method_impl{FNRTLDRVALIDATESIGNEDDATA} */
1406static DECLCALLBACK(int) VerifyExeCallback(RTLDRMOD hLdrMod, RTLDRSIGNATURETYPE enmSignature,
1407 void const *pvSignature, size_t cbSignature,
1408 void const *pvExternalData, size_t cbExternalData,
1409 PRTERRINFO pErrInfo, void *pvUser)
1410{
1411 VERIFYEXESTATE *pState = (VERIFYEXESTATE *)pvUser;
1412 RT_NOREF_PV(hLdrMod); RT_NOREF_PV(cbSignature);
1413
1414 switch (enmSignature)
1415 {
1416 case RTLDRSIGNATURETYPE_PKCS7_SIGNED_DATA:
1417 {
1418 PCRTCRPKCS7CONTENTINFO pContentInfo = (PCRTCRPKCS7CONTENTINFO)pvSignature;
1419
1420 RTTIMESPEC ValidationTime;
1421 RTTimeSpecSetSeconds(&ValidationTime, pState->uTimestamp);
1422
1423 /*
1424 * Dump the signed data if so requested.
1425 */
1426 if (pState->cVerbose)
1427 RTAsn1Dump(&pContentInfo->SeqCore.Asn1Core, 0, 0, RTStrmDumpPrintfV, g_pStdOut);
1428
1429
1430 /*
1431 * Do the actual verification. Will have to modify this so it takes
1432 * the authenticode policies into account.
1433 */
1434 if (pvExternalData)
1435 return RTCrPkcs7VerifySignedDataWithExternalData(pContentInfo,
1436 RTCRPKCS7VERIFY_SD_F_COUNTER_SIGNATURE_SIGNING_TIME_ONLY
1437 | RTCRPKCS7VERIFY_SD_F_ALWAYS_USE_SIGNING_TIME_IF_PRESENT
1438 | RTCRPKCS7VERIFY_SD_F_ALWAYS_USE_MS_TIMESTAMP_IF_PRESENT,
1439 pState->hAdditionalStore, pState->hRootStore, &ValidationTime,
1440 VerifyExecCertVerifyCallback, pState,
1441 pvExternalData, cbExternalData, pErrInfo);
1442 return RTCrPkcs7VerifySignedData(pContentInfo,
1443 RTCRPKCS7VERIFY_SD_F_COUNTER_SIGNATURE_SIGNING_TIME_ONLY
1444 | RTCRPKCS7VERIFY_SD_F_ALWAYS_USE_SIGNING_TIME_IF_PRESENT
1445 | RTCRPKCS7VERIFY_SD_F_ALWAYS_USE_MS_TIMESTAMP_IF_PRESENT,
1446 pState->hAdditionalStore, pState->hRootStore, &ValidationTime,
1447 VerifyExecCertVerifyCallback, pState, pErrInfo);
1448 }
1449
1450 default:
1451 return RTErrInfoSetF(pErrInfo, VERR_NOT_SUPPORTED, "Unsupported signature type: %d", enmSignature);
1452 }
1453}
1454
1455/**
1456 * Worker for HandleVerifyExe.
1457 */
1458static RTEXITCODE HandleVerifyExeWorker(VERIFYEXESTATE *pState, const char *pszFilename, PRTERRINFOSTATIC pStaticErrInfo)
1459{
1460 /*
1461 * Open the executable image and verify it.
1462 */
1463 RTLDRMOD hLdrMod;
1464 int rc = RTLdrOpen(pszFilename, RTLDR_O_FOR_VALIDATION, pState->enmLdrArch, &hLdrMod);
1465 if (RT_FAILURE(rc))
1466 return RTMsgErrorExit(RTEXITCODE_FAILURE, "Error opening executable image '%s': %Rrc", pszFilename, rc);
1467
1468
1469 RTTIMESPEC Now;
1470 bool fTriedNow = false;
1471 rc = RTLdrQueryProp(hLdrMod, RTLDRPROP_TIMESTAMP_SECONDS, &pState->uTimestamp, sizeof(pState->uTimestamp));
1472 if (rc == VERR_NOT_FOUND)
1473 {
1474 fTriedNow = true;
1475 pState->uTimestamp = RTTimeSpecGetSeconds(RTTimeNow(&Now));
1476 rc = VINF_SUCCESS;
1477 }
1478 if (RT_SUCCESS(rc))
1479 {
1480 rc = RTLdrVerifySignature(hLdrMod, VerifyExeCallback, pState, RTErrInfoInitStatic(pStaticErrInfo));
1481 if (RT_SUCCESS(rc))
1482 RTMsgInfo("'%s' is valid.\n", pszFilename);
1483 else if (rc == VERR_CR_X509_CPV_NOT_VALID_AT_TIME && !fTriedNow)
1484 {
1485 pState->uTimestamp = RTTimeSpecGetSeconds(RTTimeNow(&Now));
1486 rc = RTLdrVerifySignature(hLdrMod, VerifyExeCallback, pState, RTErrInfoInitStatic(pStaticErrInfo));
1487 if (RT_SUCCESS(rc))
1488 RTMsgInfo("'%s' is valid now, but not at link time.\n", pszFilename);
1489 }
1490 if (RT_FAILURE(rc))
1491 RTMsgError("RTLdrVerifySignature failed on '%s': %Rrc - %s\n", pszFilename, rc, pStaticErrInfo->szMsg);
1492 }
1493 else
1494 RTMsgError("RTLdrQueryProp/RTLDRPROP_TIMESTAMP_SECONDS failed on '%s': %Rrc\n", pszFilename, rc);
1495
1496 int rc2 = RTLdrClose(hLdrMod);
1497 if (RT_FAILURE(rc2))
1498 return RTMsgErrorExit(RTEXITCODE_FAILURE, "RTLdrClose failed: %Rrc\n", rc2);
1499 if (RT_FAILURE(rc))
1500 return rc != VERR_LDRVI_NOT_SIGNED ? RTEXITCODE_FAILURE : RTEXITCODE_SKIPPED;
1501
1502 return RTEXITCODE_SUCCESS;
1503}
1504
1505
1506static RTEXITCODE HandleVerifyExe(int cArgs, char **papszArgs)
1507{
1508 RTERRINFOSTATIC StaticErrInfo;
1509
1510 /* Note! This code does not try to clean up the crypto stores on failure.
1511 This is intentional as the code is only expected to be used in a
1512 one-command-per-process environment where we do exit() upon
1513 returning from this function. */
1514
1515 /*
1516 * Parse arguments.
1517 */
1518 static const RTGETOPTDEF s_aOptions[] =
1519 {
1520 { "--kernel", 'k', RTGETOPT_REQ_NOTHING },
1521 { "--root", 'r', RTGETOPT_REQ_STRING },
1522 { "--additional", 'a', RTGETOPT_REQ_STRING },
1523 { "--add", 'a', RTGETOPT_REQ_STRING },
1524 { "--type", 't', RTGETOPT_REQ_STRING },
1525 { "--verbose", 'v', RTGETOPT_REQ_NOTHING },
1526 { "--quiet", 'q', RTGETOPT_REQ_NOTHING },
1527 };
1528
1529 VERIFYEXESTATE State =
1530 {
1531 NIL_RTCRSTORE, NIL_RTCRSTORE, NIL_RTCRSTORE, false, false,
1532 VERIFYEXESTATE::kSignType_Windows, 0, RTLDRARCH_WHATEVER
1533 };
1534 int rc = RTCrStoreCreateInMem(&State.hRootStore, 0);
1535 if (RT_SUCCESS(rc))
1536 rc = RTCrStoreCreateInMem(&State.hKernelRootStore, 0);
1537 if (RT_SUCCESS(rc))
1538 rc = RTCrStoreCreateInMem(&State.hAdditionalStore, 0);
1539 if (RT_FAILURE(rc))
1540 return RTMsgErrorExit(RTEXITCODE_FAILURE, "Error creating in-memory certificate store: %Rrc", rc);
1541
1542 RTGETOPTSTATE GetState;
1543 rc = RTGetOptInit(&GetState, cArgs, papszArgs, s_aOptions, RT_ELEMENTS(s_aOptions), 1, RTGETOPTINIT_FLAGS_OPTS_FIRST);
1544 AssertRCReturn(rc, RTEXITCODE_FAILURE);
1545 RTGETOPTUNION ValueUnion;
1546 int ch;
1547 while ((ch = RTGetOpt(&GetState, &ValueUnion)) && ch != VINF_GETOPT_NOT_OPTION)
1548 {
1549 switch (ch)
1550 {
1551 case 'r': case 'a':
1552 rc = RTCrStoreCertAddFromFile(ch == 'r' ? State.hRootStore : State.hAdditionalStore,
1553 RTCRCERTCTX_F_ADD_IF_NOT_FOUND | RTCRCERTCTX_F_ADD_CONTINUE_ON_ERROR,
1554 ValueUnion.psz, RTErrInfoInitStatic(&StaticErrInfo));
1555 if (RT_FAILURE(rc))
1556 return RTMsgErrorExit(RTEXITCODE_FAILURE, "Error loading certificate '%s': %Rrc - %s",
1557 ValueUnion.psz, rc, StaticErrInfo.szMsg);
1558 if (RTErrInfoIsSet(&StaticErrInfo.Core))
1559 RTMsgWarning("Warnings loading certificate '%s': %s", ValueUnion.psz, StaticErrInfo.szMsg);
1560 break;
1561
1562 case 't':
1563 if (!strcmp(ValueUnion.psz, "win") || !strcmp(ValueUnion.psz, "windows"))
1564 State.enmSignType = VERIFYEXESTATE::kSignType_Windows;
1565 else if (!strcmp(ValueUnion.psz, "osx") || !strcmp(ValueUnion.psz, "apple"))
1566 State.enmSignType = VERIFYEXESTATE::kSignType_OSX;
1567 else
1568 return RTMsgErrorExit(RTEXITCODE_SYNTAX, "Unknown signing type: '%s'", ValueUnion.psz);
1569 break;
1570
1571 case 'k': State.fKernel = true; break;
1572 case 'v': State.cVerbose++; break;
1573 case 'q': State.cVerbose = 0; break;
1574 case 'V': return HandleVersion(cArgs, papszArgs);
1575 case 'h': return HelpVerifyExe(g_pStdOut, RTSIGNTOOLHELP_FULL);
1576 default: return RTGetOptPrintError(ch, &ValueUnion);
1577 }
1578 }
1579 if (ch != VINF_GETOPT_NOT_OPTION)
1580 return RTMsgErrorExit(RTEXITCODE_FAILURE, "No executable given.");
1581
1582 /*
1583 * Populate the certificate stores according to the signing type.
1584 */
1585# ifdef VBOX
1586 unsigned cSets = 0;
1587 struct STSTORESET aSets[6];
1588 switch (State.enmSignType)
1589 {
1590 case VERIFYEXESTATE::kSignType_Windows:
1591 aSets[cSets].hStore = State.hRootStore;
1592 aSets[cSets].paTAs = g_aSUPTimestampTAs;
1593 aSets[cSets].cTAs = g_cSUPTimestampTAs;
1594 cSets++;
1595 aSets[cSets].hStore = State.hRootStore;
1596 aSets[cSets].paTAs = g_aSUPSpcRootTAs;
1597 aSets[cSets].cTAs = g_cSUPSpcRootTAs;
1598 cSets++;
1599 aSets[cSets].hStore = State.hRootStore;
1600 aSets[cSets].paTAs = g_aSUPNtKernelRootTAs;
1601 aSets[cSets].cTAs = g_cSUPNtKernelRootTAs;
1602 cSets++;
1603 aSets[cSets].hStore = State.hKernelRootStore;
1604 aSets[cSets].paTAs = g_aSUPNtKernelRootTAs;
1605 aSets[cSets].cTAs = g_cSUPNtKernelRootTAs;
1606 cSets++;
1607 break;
1608
1609 case VERIFYEXESTATE::kSignType_OSX:
1610 aSets[cSets].hStore = State.hRootStore;
1611 aSets[cSets].paTAs = g_aSUPAppleRootTAs;
1612 aSets[cSets].cTAs = g_cSUPAppleRootTAs;
1613 cSets++;
1614 break;
1615 }
1616 for (unsigned i = 0; i < cSets; i++)
1617 for (unsigned j = 0; j < aSets[i].cTAs; j++)
1618 {
1619 rc = RTCrStoreCertAddEncoded(aSets[i].hStore, RTCRCERTCTX_F_ENC_TAF_DER, aSets[i].paTAs[j].pch,
1620 aSets[i].paTAs[j].cb, RTErrInfoInitStatic(&StaticErrInfo));
1621 if (RT_FAILURE(rc))
1622 return RTMsgErrorExit(RTEXITCODE_FAILURE, "RTCrStoreCertAddEncoded failed (%u/%u): %s",
1623 i, j, StaticErrInfo.szMsg);
1624 }
1625# endif /* VBOX */
1626
1627 /*
1628 * Do it.
1629 */
1630 RTEXITCODE rcExit;
1631 for (;;)
1632 {
1633 rcExit = HandleVerifyExeWorker(&State, ValueUnion.psz, &StaticErrInfo);
1634 if (rcExit != RTEXITCODE_SUCCESS)
1635 break;
1636
1637 /*
1638 * Next file
1639 */
1640 ch = RTGetOpt(&GetState, &ValueUnion);
1641 if (ch == 0)
1642 break;
1643 if (ch != VINF_GETOPT_NOT_OPTION)
1644 {
1645 rcExit = RTGetOptPrintError(ch, &ValueUnion);
1646 break;
1647 }
1648 }
1649
1650 /*
1651 * Clean up.
1652 */
1653 uint32_t cRefs;
1654 cRefs = RTCrStoreRelease(State.hRootStore); Assert(cRefs == 0);
1655 cRefs = RTCrStoreRelease(State.hKernelRootStore); Assert(cRefs == 0);
1656 cRefs = RTCrStoreRelease(State.hAdditionalStore); Assert(cRefs == 0);
1657
1658 return rcExit;
1659}
1660
1661#endif /* !IPRT_IN_BUILD_TOOL */
1662
1663/*
1664 * common code for show-exe and show-cat:
1665 */
1666
1667/**
1668 * Display an object ID.
1669 *
1670 * @returns IPRT status code.
1671 * @param pThis The show exe instance data.
1672 * @param pObjId The object ID to display.
1673 * @param pszLabel The field label (prefixed by szPrefix).
1674 * @param pszPost What to print after the ID (typically newline).
1675 */
1676static void HandleShowExeWorkerDisplayObjId(PSHOWEXEPKCS7 pThis, PCRTASN1OBJID pObjId, const char *pszLabel, const char *pszPost)
1677{
1678 int rc = RTAsn1QueryObjIdName(pObjId, pThis->szTmp, sizeof(pThis->szTmp));
1679 if (RT_SUCCESS(rc))
1680 {
1681 if (pThis->cVerbosity > 1)
1682 RTPrintf("%s%s%s (%s)%s", pThis->szPrefix, pszLabel, pThis->szTmp, pObjId->szObjId, pszPost);
1683 else
1684 RTPrintf("%s%s%s%s", pThis->szPrefix, pszLabel, pThis->szTmp, pszPost);
1685 }
1686 else
1687 RTPrintf("%s%s%s%s", pThis->szPrefix, pszLabel, pObjId->szObjId, pszPost);
1688}
1689
1690
1691/**
1692 * Display an object ID, without prefix and label
1693 *
1694 * @returns IPRT status code.
1695 * @param pThis The show exe instance data.
1696 * @param pObjId The object ID to display.
1697 * @param pszPost What to print after the ID (typically newline).
1698 */
1699static void HandleShowExeWorkerDisplayObjIdSimple(PSHOWEXEPKCS7 pThis, PCRTASN1OBJID pObjId, const char *pszPost)
1700{
1701 int rc = RTAsn1QueryObjIdName(pObjId, pThis->szTmp, sizeof(pThis->szTmp));
1702 if (RT_SUCCESS(rc))
1703 {
1704 if (pThis->cVerbosity > 1)
1705 RTPrintf("%s (%s)%s", pThis->szTmp, pObjId->szObjId, pszPost);
1706 else
1707 RTPrintf("%s%s", pThis->szTmp, pszPost);
1708 }
1709 else
1710 RTPrintf("%s%s", pObjId->szObjId, pszPost);
1711}
1712
1713
1714/**
1715 * Display a signer info attribute.
1716 *
1717 * @returns IPRT status code.
1718 * @param pThis The show exe instance data.
1719 * @param offPrefix The current prefix offset.
1720 * @param pAttr The attribute to display.
1721 */
1722static int HandleShowExeWorkerPkcs7DisplayAttrib(PSHOWEXEPKCS7 pThis, size_t offPrefix, PCRTCRPKCS7ATTRIBUTE pAttr)
1723{
1724 HandleShowExeWorkerDisplayObjId(pThis, &pAttr->Type, "", ":\n");
1725
1726 int rc = VINF_SUCCESS;
1727 switch (pAttr->enmType)
1728 {
1729 case RTCRPKCS7ATTRIBUTETYPE_UNKNOWN:
1730 if (pAttr->uValues.pCores->cItems <= 1)
1731 RTPrintf("%s %u bytes\n", pThis->szPrefix,pAttr->uValues.pCores->SetCore.Asn1Core.cb);
1732 else
1733 RTPrintf("%s %u bytes divided by %u items\n", pThis->szPrefix, pAttr->uValues.pCores->SetCore.Asn1Core.cb, pAttr->uValues.pCores->cItems);
1734 break;
1735
1736 /* Object IDs, use pObjIds. */
1737 case RTCRPKCS7ATTRIBUTETYPE_OBJ_IDS:
1738 if (pAttr->uValues.pObjIds->cItems != 1)
1739 RTPrintf("%s%u object IDs:", pThis->szPrefix, pAttr->uValues.pObjIds->cItems);
1740 for (unsigned i = 0; i < pAttr->uValues.pObjIds->cItems; i++)
1741 {
1742 if (pAttr->uValues.pObjIds->cItems == 1)
1743 RTPrintf("%s ", pThis->szPrefix);
1744 else
1745 RTPrintf("%s ObjId[%u]: ", pThis->szPrefix, i);
1746 HandleShowExeWorkerDisplayObjIdSimple(pThis, pAttr->uValues.pObjIds->papItems[i], "\n");
1747 }
1748 break;
1749
1750 /* Sequence of object IDs, use pObjIdSeqs. */
1751 case RTCRPKCS7ATTRIBUTETYPE_MS_STATEMENT_TYPE:
1752 if (pAttr->uValues.pObjIdSeqs->cItems != 1)
1753 RTPrintf("%s%u object IDs:", pThis->szPrefix, pAttr->uValues.pObjIdSeqs->cItems);
1754 for (unsigned i = 0; i < pAttr->uValues.pObjIdSeqs->cItems; i++)
1755 {
1756 uint32_t const cObjIds = pAttr->uValues.pObjIdSeqs->papItems[i]->cItems;
1757 for (unsigned j = 0; j < cObjIds; j++)
1758 {
1759 if (pAttr->uValues.pObjIdSeqs->cItems == 1)
1760 RTPrintf("%s ", pThis->szPrefix);
1761 else
1762 RTPrintf("%s ObjIdSeq[%u]: ", pThis->szPrefix, i);
1763 if (cObjIds != 1)
1764 RTPrintf(" ObjId[%u]: ", j);
1765 HandleShowExeWorkerDisplayObjIdSimple(pThis, pAttr->uValues.pObjIdSeqs->papItems[i]->papItems[i], "\n");
1766 }
1767 }
1768 break;
1769
1770 /* Octet strings, use pOctetStrings. */
1771 case RTCRPKCS7ATTRIBUTETYPE_OCTET_STRINGS:
1772 if (pAttr->uValues.pOctetStrings->cItems != 1)
1773 RTPrintf("%s%u octet strings:", pThis->szPrefix, pAttr->uValues.pOctetStrings->cItems);
1774 for (unsigned i = 0; i < pAttr->uValues.pOctetStrings->cItems; i++)
1775 {
1776 PCRTASN1OCTETSTRING pOctetString = pAttr->uValues.pOctetStrings->papItems[i];
1777 uint32_t cbContent = pOctetString->Asn1Core.cb;
1778 if (cbContent > 0 && (cbContent <= 128 || pThis->cVerbosity >= 2))
1779 {
1780 uint8_t const *pbContent = pOctetString->Asn1Core.uData.pu8;
1781 uint32_t off = 0;
1782 while (off < cbContent)
1783 {
1784 uint32_t cbNow = RT_MIN(cbContent - off, 16);
1785 if (pAttr->uValues.pOctetStrings->cItems == 1)
1786 RTPrintf("%s %#06x: %.*Rhxs\n", pThis->szPrefix, off, cbNow, &pbContent[off]);
1787 else
1788 RTPrintf("%s OctetString[%u]: %#06x: %.*Rhxs\n", pThis->szPrefix, i, off, cbNow, &pbContent[off]);
1789 off += cbNow;
1790 }
1791 }
1792 else
1793 RTPrintf("%s: OctetString[%u]: %u bytes\n", pThis->szPrefix, i, pOctetString->Asn1Core.cb);
1794 }
1795 break;
1796
1797 /* Counter signatures (PKCS \#9), use pCounterSignatures. */
1798 case RTCRPKCS7ATTRIBUTETYPE_COUNTER_SIGNATURES:
1799 RTPrintf("%sTODO: RTCRPKCS7ATTRIBUTETYPE_COUNTER_SIGNATURES! %u bytes\n",
1800 pThis->szPrefix, pAttr->uValues.pCounterSignatures->SetCore.Asn1Core.cb);
1801 break;
1802
1803 /* Signing time (PKCS \#9), use pSigningTime. */
1804 case RTCRPKCS7ATTRIBUTETYPE_SIGNING_TIME:
1805 for (uint32_t i = 0; i < pAttr->uValues.pSigningTime->cItems; i++)
1806 {
1807 PCRTASN1TIME pTime = pAttr->uValues.pSigningTime->papItems[i];
1808 char szTS[RTTIME_STR_LEN];
1809 RTTimeToString(&pTime->Time, szTS, sizeof(szTS));
1810 if (pAttr->uValues.pSigningTime->cItems == 1)
1811 RTPrintf("%s %s (%.*s)\n", pThis->szPrefix, szTS, pTime->Asn1Core.cb, pTime->Asn1Core.uData.pch);
1812 else
1813 RTPrintf("%s #%u: %s (%.*s)\n", pThis->szPrefix, i, szTS, pTime->Asn1Core.cb, pTime->Asn1Core.uData.pch);
1814 }
1815 break;
1816
1817 /* Microsoft timestamp info (RFC-3161) signed data, use pContentInfo. */
1818 case RTCRPKCS7ATTRIBUTETYPE_MS_TIMESTAMP:
1819 case RTCRPKCS7ATTRIBUTETYPE_MS_NESTED_SIGNATURE:
1820 if (pAttr->uValues.pContentInfos->cItems > 1)
1821 RTPrintf("%s%u nested signatures, %u bytes in total\n", pThis->szPrefix,
1822 pAttr->uValues.pContentInfos->cItems, pAttr->uValues.pContentInfos->SetCore.Asn1Core.cb);
1823 for (unsigned i = 0; i < pAttr->uValues.pContentInfos->cItems; i++)
1824 {
1825 size_t offPrefix2 = offPrefix;
1826 if (pAttr->uValues.pContentInfos->cItems > 1)
1827 offPrefix2 += RTStrPrintf(&pThis->szPrefix[offPrefix], sizeof(pThis->szPrefix) - offPrefix, "NestedSig[%u]: ", i);
1828 else
1829 offPrefix2 += RTStrPrintf(&pThis->szPrefix[offPrefix], sizeof(pThis->szPrefix) - offPrefix, " ");
1830 // offPrefix2 += RTStrPrintf(&pThis->szPrefix[offPrefix], sizeof(pThis->szPrefix) - offPrefix, "NestedSig: ", i);
1831 PCRTCRPKCS7CONTENTINFO pContentInfo = pAttr->uValues.pContentInfos->papItems[i];
1832 int rc2;
1833 if (RTCrPkcs7ContentInfo_IsSignedData(pContentInfo))
1834 rc2 = HandleShowExeWorkerPkcs7Display(pThis, pContentInfo->u.pSignedData, offPrefix2, pContentInfo);
1835 else
1836 rc2 = RTMsgErrorRc(VERR_ASN1_UNEXPECTED_OBJ_ID, "%sPKCS#7 content in nested signature is not 'signedData': %s",
1837 pThis->szPrefix, pContentInfo->ContentType.szObjId);
1838 if (RT_FAILURE(rc2) && RT_SUCCESS(rc))
1839 rc = rc2;
1840 }
1841 break;
1842
1843 case RTCRPKCS7ATTRIBUTETYPE_APPLE_MULTI_CD_PLIST:
1844 if (pAttr->uValues.pContentInfos->cItems != 1)
1845 RTPrintf("%s%u plists, expected only 1.\n", pThis->szPrefix, pAttr->uValues.pOctetStrings->cItems);
1846 for (unsigned i = 0; i < pAttr->uValues.pOctetStrings->cItems; i++)
1847 {
1848 PCRTASN1OCTETSTRING pOctetString = pAttr->uValues.pOctetStrings->papItems[i];
1849 size_t cbContent = pOctetString->Asn1Core.cb;
1850 char const *pchContent = pOctetString->Asn1Core.uData.pch;
1851 rc = RTStrValidateEncodingEx(pchContent, cbContent, RTSTR_VALIDATE_ENCODING_EXACT_LENGTH);
1852 if (RT_SUCCESS(rc))
1853 {
1854 while (cbContent > 0)
1855 {
1856 const char *pchNewLine = (const char *)memchr(pchContent, '\n', cbContent);
1857 size_t cchToWrite = pchNewLine ? pchNewLine - pchContent : cbContent;
1858 if (pAttr->uValues.pOctetStrings->cItems == 1)
1859 RTPrintf("%s %.*s\n", pThis->szPrefix, cchToWrite, pchContent);
1860 else
1861 RTPrintf("%s plist[%u]: %.*s\n", pThis->szPrefix, i, cchToWrite, pchContent);
1862 if (!pchNewLine)
1863 break;
1864 pchContent = pchNewLine + 1;
1865 cbContent -= cchToWrite + 1;
1866 }
1867 }
1868 else
1869 {
1870 if (pAttr->uValues.pContentInfos->cItems != 1)
1871 RTPrintf("%s: plist[%u]: Invalid UTF-8: %Rrc\n", pThis->szPrefix, i, rc);
1872 else
1873 RTPrintf("%s: Invalid UTF-8: %Rrc\n", pThis->szPrefix, rc);
1874 for (uint32_t off = 0; off < cbContent; off += 16)
1875 {
1876 size_t cbNow = RT_MIN(cbContent - off, 16);
1877 if (pAttr->uValues.pOctetStrings->cItems == 1)
1878 RTPrintf("%s %#06x: %.*Rhxs\n", pThis->szPrefix, off, cbNow, &pchContent[off]);
1879 else
1880 RTPrintf("%s plist[%u]: %#06x: %.*Rhxs\n", pThis->szPrefix, i, off, cbNow, &pchContent[off]);
1881 }
1882 }
1883 }
1884 break;
1885
1886 case RTCRPKCS7ATTRIBUTETYPE_INVALID:
1887 RTPrintf("%sINVALID!\n", pThis->szPrefix);
1888 break;
1889 case RTCRPKCS7ATTRIBUTETYPE_NOT_PRESENT:
1890 RTPrintf("%sNOT PRESENT!\n", pThis->szPrefix);
1891 break;
1892 default:
1893 RTPrintf("%senmType=%d!\n", pThis->szPrefix, pAttr->enmType);
1894 break;
1895 }
1896 return rc;
1897}
1898
1899
1900/**
1901 * Displays a Microsoft SPC indirect data structure.
1902 *
1903 * @returns IPRT status code.
1904 * @param pThis The show exe instance data.
1905 * @param offPrefix The current prefix offset.
1906 * @param pIndData The indirect data to display.
1907 */
1908static int HandleShowExeWorkerPkcs7DisplaySpcIdirectDataContent(PSHOWEXEPKCS7 pThis, size_t offPrefix,
1909 PCRTCRSPCINDIRECTDATACONTENT pIndData)
1910{
1911 /*
1912 * The image hash.
1913 */
1914 RTDIGESTTYPE const enmDigestType = RTCrX509AlgorithmIdentifier_QueryDigestType(&pIndData->DigestInfo.DigestAlgorithm);
1915 const char *pszDigestType = RTCrDigestTypeToName(enmDigestType);
1916 RTPrintf("%s Digest Type: %s", pThis->szPrefix, pszDigestType);
1917 if (pThis->cVerbosity > 1)
1918 RTPrintf(" (%s)\n", pIndData->DigestInfo.DigestAlgorithm.Algorithm.szObjId);
1919 else
1920 RTPrintf("\n");
1921 RTPrintf("%s Digest: %.*Rhxs\n",
1922 pThis->szPrefix, pIndData->DigestInfo.Digest.Asn1Core.cb, pIndData->DigestInfo.Digest.Asn1Core.uData.pu8);
1923
1924 /*
1925 * The data/file/url.
1926 */
1927 switch (pIndData->Data.enmType)
1928 {
1929 case RTCRSPCAAOVTYPE_PE_IMAGE_DATA:
1930 {
1931 RTPrintf("%s Data Type: PE Image Data\n", pThis->szPrefix);
1932 PRTCRSPCPEIMAGEDATA pPeImage = pIndData->Data.uValue.pPeImage;
1933 /** @todo display "Flags". */
1934
1935 switch (pPeImage->T0.File.enmChoice)
1936 {
1937 case RTCRSPCLINKCHOICE_MONIKER:
1938 {
1939 PRTCRSPCSERIALIZEDOBJECT pMoniker = pPeImage->T0.File.u.pMoniker;
1940 if (RTCrSpcSerializedObject_IsPresent(pMoniker))
1941 {
1942 if (RTUuidCompareStr(pMoniker->Uuid.Asn1Core.uData.pUuid, RTCRSPCSERIALIZEDOBJECT_UUID_STR) == 0)
1943 {
1944 RTPrintf("%s Moniker: SpcSerializedObject (%RTuuid)\n",
1945 pThis->szPrefix, pMoniker->Uuid.Asn1Core.uData.pUuid);
1946
1947 PCRTCRSPCSERIALIZEDOBJECTATTRIBUTES pData = pMoniker->u.pData;
1948 if (pData)
1949 for (uint32_t i = 0; i < pData->cItems; i++)
1950 {
1951 RTStrPrintf(&pThis->szPrefix[offPrefix], sizeof(pThis->szPrefix) - offPrefix,
1952 "MonikerAttrib[%u]: ", i);
1953
1954 switch (pData->papItems[i]->enmType)
1955 {
1956 case RTCRSPCSERIALIZEDOBJECTATTRIBUTETYPE_PAGE_HASHES_V2:
1957 case RTCRSPCSERIALIZEDOBJECTATTRIBUTETYPE_PAGE_HASHES_V1:
1958 {
1959 PCRTCRSPCSERIALIZEDPAGEHASHES pPgHashes = pData->papItems[i]->u.pPageHashes;
1960 uint32_t const cbHash = pData->papItems[i]->enmType
1961 == RTCRSPCSERIALIZEDOBJECTATTRIBUTETYPE_PAGE_HASHES_V1
1962 ? 160/8 /*SHA-1*/ : 256/8 /*SHA-256*/;
1963 uint32_t const cPages = pPgHashes->RawData.Asn1Core.cb / (cbHash + sizeof(uint32_t));
1964
1965 RTPrintf("%sPage Hashes version %u - %u pages (%u bytes total)\n", pThis->szPrefix,
1966 pData->papItems[i]->enmType
1967 == RTCRSPCSERIALIZEDOBJECTATTRIBUTETYPE_PAGE_HASHES_V1 ? 1 : 2,
1968 cPages, pPgHashes->RawData.Asn1Core.cb);
1969 if (pThis->cVerbosity > 0)
1970 {
1971 PCRTCRSPCPEIMAGEPAGEHASHES pPg = pPgHashes->pData;
1972 for (unsigned iPg = 0; iPg < cPages; iPg++)
1973 {
1974 uint32_t offHash = 0;
1975 do
1976 {
1977 if (offHash == 0)
1978 RTPrintf("%.*s Page#%04u/%#08x: ",
1979 offPrefix, pThis->szPrefix, iPg, pPg->Generic.offFile);
1980 else
1981 RTPrintf("%.*s ", offPrefix, pThis->szPrefix);
1982 uint32_t cbLeft = cbHash - offHash;
1983 if (cbLeft > 24)
1984 cbLeft = 16;
1985 RTPrintf("%.*Rhxs\n", cbLeft, &pPg->Generic.abHash[offHash]);
1986 offHash += cbLeft;
1987 } while (offHash < cbHash);
1988 pPg = (PCRTCRSPCPEIMAGEPAGEHASHES)&pPg->Generic.abHash[cbHash];
1989 }
1990
1991 if (pThis->cVerbosity > 3)
1992 RTPrintf("%.*Rhxd\n",
1993 pPgHashes->RawData.Asn1Core.cb,
1994 pPgHashes->RawData.Asn1Core.uData.pu8);
1995 }
1996 break;
1997 }
1998
1999 case RTCRSPCSERIALIZEDOBJECTATTRIBUTETYPE_UNKNOWN:
2000 HandleShowExeWorkerDisplayObjIdSimple(pThis, &pData->papItems[i]->Type, "\n");
2001 break;
2002 case RTCRSPCSERIALIZEDOBJECTATTRIBUTETYPE_NOT_PRESENT:
2003 RTPrintf("%sNot present!\n", pThis->szPrefix);
2004 break;
2005 default:
2006 RTPrintf("%senmType=%d!\n", pThis->szPrefix, pData->papItems[i]->enmType);
2007 break;
2008 }
2009 pThis->szPrefix[offPrefix] = '\0';
2010 }
2011 else
2012 RTPrintf("%s pData is NULL!\n", pThis->szPrefix);
2013 }
2014 else
2015 RTPrintf("%s Moniker: Unknown UUID: %RTuuid\n",
2016 pThis->szPrefix, pMoniker->Uuid.Asn1Core.uData.pUuid);
2017 }
2018 else
2019 RTPrintf("%s Moniker: not present\n", pThis->szPrefix);
2020 break;
2021 }
2022
2023 case RTCRSPCLINKCHOICE_URL:
2024 {
2025 const char *pszUrl = NULL;
2026 int rc = pPeImage->T0.File.u.pUrl
2027 ? RTAsn1String_QueryUtf8(pPeImage->T0.File.u.pUrl, &pszUrl, NULL)
2028 : VERR_NOT_FOUND;
2029 if (RT_SUCCESS(rc))
2030 RTPrintf("%s URL: '%s'\n", pThis->szPrefix, pszUrl);
2031 else
2032 RTPrintf("%s URL: rc=%Rrc\n", pThis->szPrefix, rc);
2033 break;
2034 }
2035
2036 case RTCRSPCLINKCHOICE_FILE:
2037 {
2038 const char *pszFile = NULL;
2039 int rc = pPeImage->T0.File.u.pT2 && pPeImage->T0.File.u.pT2->File.u.pAscii
2040 ? RTAsn1String_QueryUtf8(pPeImage->T0.File.u.pT2->File.u.pAscii, &pszFile, NULL)
2041 : VERR_NOT_FOUND;
2042 if (RT_SUCCESS(rc))
2043 RTPrintf("%s File: '%s'\n", pThis->szPrefix, pszFile);
2044 else
2045 RTPrintf("%s File: rc=%Rrc\n", pThis->szPrefix, rc);
2046 break;
2047 }
2048
2049 case RTCRSPCLINKCHOICE_NOT_PRESENT:
2050 RTPrintf("%s File not present!\n", pThis->szPrefix);
2051 break;
2052 default:
2053 RTPrintf("%s enmChoice=%d!\n", pThis->szPrefix, pPeImage->T0.File.enmChoice);
2054 break;
2055 }
2056 break;
2057 }
2058
2059 case RTCRSPCAAOVTYPE_UNKNOWN:
2060 HandleShowExeWorkerDisplayObjId(pThis, &pIndData->Data.Type, " Data Type: ", "\n");
2061 break;
2062 case RTCRSPCAAOVTYPE_NOT_PRESENT:
2063 RTPrintf("%s Data Type: Not present!\n", pThis->szPrefix);
2064 break;
2065 default:
2066 RTPrintf("%s Data Type: enmType=%d!\n", pThis->szPrefix, pIndData->Data.enmType);
2067 break;
2068 }
2069
2070 return VINF_SUCCESS;
2071}
2072
2073
2074/**
2075 * Display an PKCS#7 signed data instance.
2076 *
2077 * @returns IPRT status code.
2078 * @param pThis The show exe instance data.
2079 * @param pSignedData The signed data to display.
2080 * @param offPrefix The current prefix offset.
2081 * @param pContentInfo The content info structure (for the size).
2082 */
2083static int HandleShowExeWorkerPkcs7Display(PSHOWEXEPKCS7 pThis, PRTCRPKCS7SIGNEDDATA pSignedData, size_t offPrefix,
2084 PCRTCRPKCS7CONTENTINFO pContentInfo)
2085{
2086 pThis->szPrefix[offPrefix] = '\0';
2087 RTPrintf("%sPKCS#7 signature: %u (%#x) bytes\n", pThis->szPrefix,
2088 RTASN1CORE_GET_RAW_ASN1_SIZE(&pContentInfo->SeqCore.Asn1Core),
2089 RTASN1CORE_GET_RAW_ASN1_SIZE(&pContentInfo->SeqCore.Asn1Core));
2090
2091 /*
2092 * Display list of signing algorithms.
2093 */
2094 RTPrintf("%sDigestAlgorithms: ", pThis->szPrefix);
2095 if (pSignedData->DigestAlgorithms.cItems == 0)
2096 RTPrintf("none");
2097 for (unsigned i = 0; i < pSignedData->DigestAlgorithms.cItems; i++)
2098 {
2099 PCRTCRX509ALGORITHMIDENTIFIER pAlgoId = pSignedData->DigestAlgorithms.papItems[i];
2100 const char *pszDigestType = RTCrDigestTypeToName(RTCrX509AlgorithmIdentifier_QueryDigestType(pAlgoId));
2101 if (!pszDigestType)
2102 pszDigestType = pAlgoId->Algorithm.szObjId;
2103 RTPrintf(i == 0 ? "%s" : ", %s", pszDigestType);
2104 if (pThis->cVerbosity > 1)
2105 RTPrintf(" (%s)", pAlgoId->Algorithm.szObjId);
2106 }
2107 RTPrintf("\n");
2108
2109 /*
2110 * Display the signed data content.
2111 */
2112 if (RTAsn1ObjId_CompareWithString(&pSignedData->ContentInfo.ContentType, RTCRSPCINDIRECTDATACONTENT_OID) == 0)
2113 {
2114 RTPrintf("%s ContentType: SpcIndirectDataContent (" RTCRSPCINDIRECTDATACONTENT_OID ")\n", pThis->szPrefix);
2115 size_t offPrefix2 = RTStrPrintf(&pThis->szPrefix[offPrefix], sizeof(pThis->szPrefix) - offPrefix, " SPC Ind Data: ");
2116 HandleShowExeWorkerPkcs7DisplaySpcIdirectDataContent(pThis, offPrefix2 + offPrefix,
2117 pSignedData->ContentInfo.u.pIndirectDataContent);
2118 pThis->szPrefix[offPrefix] = '\0';
2119 }
2120 else
2121 HandleShowExeWorkerDisplayObjId(pThis, &pSignedData->ContentInfo.ContentType, " ContentType: ", " - not implemented.\n");
2122
2123 /*
2124 * Display certificates (Certificates).
2125 */
2126 if (pSignedData->Certificates.cItems > 0)
2127 {
2128 RTPrintf("%s Certificates: %u\n", pThis->szPrefix, pSignedData->Certificates.cItems);
2129 if (pThis->cVerbosity >= 2)
2130 {
2131 for (uint32_t i = 0; i < pSignedData->Certificates.cItems; i++)
2132 {
2133 if (i != 0)
2134 RTPrintf("\n");
2135 RTPrintf("%s Certificate #%u:\n", pThis->szPrefix, i);
2136 RTAsn1Dump(RTCrPkcs7Cert_GetAsn1Core(pSignedData->Certificates.papItems[i]), 0,
2137 ((uint32_t)offPrefix + 9) / 2, RTStrmDumpPrintfV, g_pStdOut);
2138 }
2139 }
2140 /** @todo display certificates properly. */
2141 }
2142
2143 if (pSignedData->Crls.cb > 0)
2144 RTPrintf("%s CRLs: %u bytes\n", pThis->szPrefix, pSignedData->Crls.cb);
2145
2146 /*
2147 * Show signatures (SignerInfos).
2148 */
2149 unsigned const cSigInfos = pSignedData->SignerInfos.cItems;
2150 if (cSigInfos != 1)
2151 RTPrintf("%s SignerInfos: %u signers\n", pThis->szPrefix, cSigInfos);
2152 else
2153 RTPrintf("%s SignerInfos:\n", pThis->szPrefix);
2154 for (unsigned i = 0; i < cSigInfos; i++)
2155 {
2156 PRTCRPKCS7SIGNERINFO pSigInfo = pSignedData->SignerInfos.papItems[i];
2157 size_t offPrefix2 = offPrefix;
2158 if (cSigInfos != 1)
2159 offPrefix2 += RTStrPrintf(&pThis->szPrefix[offPrefix], sizeof(pThis->szPrefix) - offPrefix, "SignerInfo[%u]: ", i);
2160
2161 int rc = RTAsn1Integer_ToString(&pSigInfo->IssuerAndSerialNumber.SerialNumber,
2162 pThis->szTmp, sizeof(pThis->szTmp), 0 /*fFlags*/, NULL);
2163 if (RT_FAILURE(rc))
2164 RTStrPrintf(pThis->szTmp, sizeof(pThis->szTmp), "%Rrc", rc);
2165 RTPrintf("%s Serial No: %s\n", pThis->szPrefix, pThis->szTmp);
2166
2167 rc = RTCrX509Name_FormatAsString(&pSigInfo->IssuerAndSerialNumber.Name, pThis->szTmp, sizeof(pThis->szTmp), NULL);
2168 if (RT_FAILURE(rc))
2169 RTStrPrintf(pThis->szTmp, sizeof(pThis->szTmp), "%Rrc", rc);
2170 RTPrintf("%s Issuer: %s\n", pThis->szPrefix, pThis->szTmp);
2171
2172 const char *pszType = RTCrDigestTypeToName(RTCrX509AlgorithmIdentifier_QueryDigestType(&pSigInfo->DigestAlgorithm));
2173 if (!pszType)
2174 pszType = pSigInfo->DigestAlgorithm.Algorithm.szObjId;
2175 RTPrintf("%s Digest Algorithm: %s", pThis->szPrefix, pszType);
2176 if (pThis->cVerbosity > 1)
2177 RTPrintf(" (%s)\n", pSigInfo->DigestAlgorithm.Algorithm.szObjId);
2178 else
2179 RTPrintf("\n");
2180
2181 HandleShowExeWorkerDisplayObjId(pThis, &pSigInfo->DigestEncryptionAlgorithm.Algorithm,
2182 "Digest Encryption Algorithm: ", "\n");
2183
2184 if (pSigInfo->AuthenticatedAttributes.cItems == 0)
2185 RTPrintf("%s Authenticated Attributes: none\n", pThis->szPrefix);
2186 else
2187 {
2188 RTPrintf("%s Authenticated Attributes: %u item%s\n", pThis->szPrefix,
2189 pSigInfo->AuthenticatedAttributes.cItems, pSigInfo->AuthenticatedAttributes.cItems > 1 ? "s" : "");
2190 for (unsigned j = 0; j < pSigInfo->AuthenticatedAttributes.cItems; j++)
2191 {
2192 PRTCRPKCS7ATTRIBUTE pAttr = pSigInfo->AuthenticatedAttributes.papItems[j];
2193 size_t offPrefix3 = offPrefix2 + RTStrPrintf(&pThis->szPrefix[offPrefix2], sizeof(pThis->szPrefix) - offPrefix2,
2194 " AuthAttrib[%u]: ", j);
2195 HandleShowExeWorkerPkcs7DisplayAttrib(pThis, offPrefix3, pAttr);
2196 }
2197 pThis->szPrefix[offPrefix2] = '\0';
2198 }
2199
2200 if (pSigInfo->UnauthenticatedAttributes.cItems == 0)
2201 RTPrintf("%s Unauthenticated Attributes: none\n", pThis->szPrefix);
2202 else
2203 {
2204 RTPrintf("%s Unauthenticated Attributes: %u item%s\n", pThis->szPrefix,
2205 pSigInfo->UnauthenticatedAttributes.cItems, pSigInfo->UnauthenticatedAttributes.cItems > 1 ? "s" : "");
2206 for (unsigned j = 0; j < pSigInfo->UnauthenticatedAttributes.cItems; j++)
2207 {
2208 PRTCRPKCS7ATTRIBUTE pAttr = pSigInfo->UnauthenticatedAttributes.papItems[j];
2209 size_t offPrefix3 = offPrefix2 + RTStrPrintf(&pThis->szPrefix[offPrefix2], sizeof(pThis->szPrefix) - offPrefix2,
2210 " UnauthAttrib[%u]: ", j);
2211 HandleShowExeWorkerPkcs7DisplayAttrib(pThis, offPrefix3, pAttr);
2212 }
2213 pThis->szPrefix[offPrefix2] = '\0';
2214 }
2215
2216 /** @todo show the encrypted stuff (EncryptedDigest)? */
2217 }
2218 pThis->szPrefix[offPrefix] = '\0';
2219
2220 return VINF_SUCCESS;
2221}
2222
2223
2224/*
2225 * The 'show-exe' command.
2226 */
2227static RTEXITCODE HelpShowExe(PRTSTREAM pStrm, RTSIGNTOOLHELP enmLevel)
2228{
2229 RT_NOREF_PV(enmLevel);
2230 RTStrmPrintf(pStrm,
2231 "show-exe [--verbose|-v] [--quiet|-q] <exe1> [exe2 [..]]\n");
2232 return RTEXITCODE_SUCCESS;
2233}
2234
2235
2236static RTEXITCODE HandleShowExe(int cArgs, char **papszArgs)
2237{
2238 /*
2239 * Parse arguments.
2240 */
2241 static const RTGETOPTDEF s_aOptions[] =
2242 {
2243 { "--verbose", 'v', RTGETOPT_REQ_NOTHING },
2244 { "--quiet", 'q', RTGETOPT_REQ_NOTHING },
2245 };
2246
2247 unsigned cVerbosity = 0;
2248 RTLDRARCH enmLdrArch = RTLDRARCH_WHATEVER;
2249
2250 RTGETOPTSTATE GetState;
2251 int rc = RTGetOptInit(&GetState, cArgs, papszArgs, s_aOptions, RT_ELEMENTS(s_aOptions), 1, RTGETOPTINIT_FLAGS_OPTS_FIRST);
2252 AssertRCReturn(rc, RTEXITCODE_FAILURE);
2253 RTGETOPTUNION ValueUnion;
2254 int ch;
2255 while ((ch = RTGetOpt(&GetState, &ValueUnion)) && ch != VINF_GETOPT_NOT_OPTION)
2256 {
2257 switch (ch)
2258 {
2259 case 'v': cVerbosity++; break;
2260 case 'q': cVerbosity = 0; break;
2261 case 'V': return HandleVersion(cArgs, papszArgs);
2262 case 'h': return HelpShowExe(g_pStdOut, RTSIGNTOOLHELP_FULL);
2263 default: return RTGetOptPrintError(ch, &ValueUnion);
2264 }
2265 }
2266 if (ch != VINF_GETOPT_NOT_OPTION)
2267 return RTMsgErrorExit(RTEXITCODE_FAILURE, "No executable given.");
2268
2269 /*
2270 * Do it.
2271 */
2272 unsigned iFile = 0;
2273 RTEXITCODE rcExit = RTEXITCODE_SUCCESS;
2274 do
2275 {
2276 RTPrintf(iFile == 0 ? "%s:\n" : "\n%s:\n", ValueUnion.psz);
2277
2278 SHOWEXEPKCS7 This;
2279 RT_ZERO(This);
2280 This.cVerbosity = cVerbosity;
2281
2282 RTEXITCODE rcExitThis = SignToolPkcs7Exe_InitFromFile(&This, ValueUnion.psz, cVerbosity, enmLdrArch);
2283 if (rcExitThis == RTEXITCODE_SUCCESS)
2284 {
2285 rc = HandleShowExeWorkerPkcs7Display(&This, This.pSignedData, 0, &This.ContentInfo);
2286 if (RT_FAILURE(rc))
2287 rcExit = RTEXITCODE_FAILURE;
2288 SignToolPkcs7Exe_Delete(&This);
2289 }
2290 if (rcExitThis != RTEXITCODE_SUCCESS && rcExit == RTEXITCODE_SUCCESS)
2291 rcExit = rcExitThis;
2292
2293 iFile++;
2294 } while ((ch = RTGetOpt(&GetState, &ValueUnion)) == VINF_GETOPT_NOT_OPTION);
2295 if (ch != 0)
2296 return RTGetOptPrintError(ch, &ValueUnion);
2297
2298 return rcExit;
2299}
2300
2301
2302/*
2303 * The 'show-cat' command.
2304 */
2305static RTEXITCODE HelpShowCat(PRTSTREAM pStrm, RTSIGNTOOLHELP enmLevel)
2306{
2307 RT_NOREF_PV(enmLevel);
2308 RTStrmPrintf(pStrm,
2309 "show-cat [--verbose|-v] [--quiet|-q] <cat1> [cat2 [..]]\n");
2310 return RTEXITCODE_SUCCESS;
2311}
2312
2313
2314static RTEXITCODE HandleShowCat(int cArgs, char **papszArgs)
2315{
2316 /*
2317 * Parse arguments.
2318 */
2319 static const RTGETOPTDEF s_aOptions[] =
2320 {
2321 { "--verbose", 'v', RTGETOPT_REQ_NOTHING },
2322 { "--quiet", 'q', RTGETOPT_REQ_NOTHING },
2323 };
2324
2325 unsigned cVerbosity = 0;
2326
2327 RTGETOPTSTATE GetState;
2328 int rc = RTGetOptInit(&GetState, cArgs, papszArgs, s_aOptions, RT_ELEMENTS(s_aOptions), 1, RTGETOPTINIT_FLAGS_OPTS_FIRST);
2329 AssertRCReturn(rc, RTEXITCODE_FAILURE);
2330 RTGETOPTUNION ValueUnion;
2331 int ch;
2332 while ((ch = RTGetOpt(&GetState, &ValueUnion)) && ch != VINF_GETOPT_NOT_OPTION)
2333 {
2334 switch (ch)
2335 {
2336 case 'v': cVerbosity++; break;
2337 case 'q': cVerbosity = 0; break;
2338 case 'V': return HandleVersion(cArgs, papszArgs);
2339 case 'h': return HelpShowCat(g_pStdOut, RTSIGNTOOLHELP_FULL);
2340 default: return RTGetOptPrintError(ch, &ValueUnion);
2341 }
2342 }
2343 if (ch != VINF_GETOPT_NOT_OPTION)
2344 return RTMsgErrorExit(RTEXITCODE_FAILURE, "No executable given.");
2345
2346 /*
2347 * Do it.
2348 */
2349 unsigned iFile = 0;
2350 RTEXITCODE rcExit = RTEXITCODE_SUCCESS;
2351 do
2352 {
2353 RTPrintf(iFile == 0 ? "%s:\n" : "\n%s:\n", ValueUnion.psz);
2354
2355 SHOWEXEPKCS7 This;
2356 RT_ZERO(This);
2357 This.cVerbosity = cVerbosity;
2358
2359 RTEXITCODE rcExitThis = SignToolPkcs7_InitFromFile(&This, ValueUnion.psz, cVerbosity);
2360 if (rcExitThis == RTEXITCODE_SUCCESS)
2361 {
2362 This.hLdrMod = NIL_RTLDRMOD;
2363
2364 rc = HandleShowExeWorkerPkcs7Display(&This, This.pSignedData, 0, &This.ContentInfo);
2365 if (RT_FAILURE(rc))
2366 rcExit = RTEXITCODE_FAILURE;
2367 SignToolPkcs7Exe_Delete(&This);
2368 }
2369 if (rcExitThis != RTEXITCODE_SUCCESS && rcExit == RTEXITCODE_SUCCESS)
2370 rcExit = rcExitThis;
2371
2372 iFile++;
2373 } while ((ch = RTGetOpt(&GetState, &ValueUnion)) == VINF_GETOPT_NOT_OPTION);
2374 if (ch != 0)
2375 return RTGetOptPrintError(ch, &ValueUnion);
2376
2377 return rcExit;
2378}
2379
2380
2381/*
2382 * The 'make-tainfo' command.
2383 */
2384static RTEXITCODE HelpMakeTaInfo(PRTSTREAM pStrm, RTSIGNTOOLHELP enmLevel)
2385{
2386 RT_NOREF_PV(enmLevel);
2387 RTStrmPrintf(pStrm,
2388 "make-tainfo [--verbose|--quiet] [--cert <cert.der>] [-o|--output] <tainfo.der>\n");
2389 return RTEXITCODE_SUCCESS;
2390}
2391
2392
2393typedef struct MAKETAINFOSTATE
2394{
2395 int cVerbose;
2396 const char *pszCert;
2397 const char *pszOutput;
2398} MAKETAINFOSTATE;
2399
2400
2401/** @callback_method_impl{FNRTASN1ENCODEWRITER} */
2402static DECLCALLBACK(int) handleMakeTaInfoWriter(const void *pvBuf, size_t cbToWrite, void *pvUser, PRTERRINFO pErrInfo)
2403{
2404 RT_NOREF_PV(pErrInfo);
2405 return RTStrmWrite((PRTSTREAM)pvUser, pvBuf, cbToWrite);
2406}
2407
2408
2409static RTEXITCODE HandleMakeTaInfo(int cArgs, char **papszArgs)
2410{
2411 /*
2412 * Parse arguments.
2413 */
2414 static const RTGETOPTDEF s_aOptions[] =
2415 {
2416 { "--cert", 'c', RTGETOPT_REQ_STRING },
2417 { "--output", 'o', RTGETOPT_REQ_STRING },
2418 { "--verbose", 'v', RTGETOPT_REQ_NOTHING },
2419 { "--quiet", 'q', RTGETOPT_REQ_NOTHING },
2420 };
2421
2422 MAKETAINFOSTATE State = { 0, NULL, NULL };
2423
2424 RTGETOPTSTATE GetState;
2425 int rc = RTGetOptInit(&GetState, cArgs, papszArgs, s_aOptions, RT_ELEMENTS(s_aOptions), 1, RTGETOPTINIT_FLAGS_OPTS_FIRST);
2426 AssertRCReturn(rc, RTEXITCODE_FAILURE);
2427 RTGETOPTUNION ValueUnion;
2428 int ch;
2429 while ((ch = RTGetOpt(&GetState, &ValueUnion)) != 0)
2430 {
2431 switch (ch)
2432 {
2433 case 'c':
2434 if (State.pszCert)
2435 return RTMsgErrorExit(RTEXITCODE_FAILURE, "The --cert option can only be used once.");
2436 State.pszCert = ValueUnion.psz;
2437 break;
2438
2439 case 'o':
2440 case VINF_GETOPT_NOT_OPTION:
2441 if (State.pszOutput)
2442 return RTMsgErrorExit(RTEXITCODE_FAILURE, "Multiple output files specified.");
2443 State.pszOutput = ValueUnion.psz;
2444 break;
2445
2446 case 'v': State.cVerbose++; break;
2447 case 'q': State.cVerbose = 0; break;
2448 case 'V': return HandleVersion(cArgs, papszArgs);
2449 case 'h': return HelpMakeTaInfo(g_pStdOut, RTSIGNTOOLHELP_FULL);
2450 default: return RTGetOptPrintError(ch, &ValueUnion);
2451 }
2452 }
2453 if (!State.pszCert)
2454 return RTMsgErrorExit(RTEXITCODE_FAILURE, "No input certificate was specified.");
2455 if (!State.pszOutput)
2456 return RTMsgErrorExit(RTEXITCODE_FAILURE, "No output file was specified.");
2457
2458 /*
2459 * Read the certificate.
2460 */
2461 RTERRINFOSTATIC StaticErrInfo;
2462 RTCRX509CERTIFICATE Certificate;
2463 rc = RTCrX509Certificate_ReadFromFile(&Certificate, State.pszCert, 0, &g_RTAsn1DefaultAllocator,
2464 RTErrInfoInitStatic(&StaticErrInfo));
2465 if (RT_FAILURE(rc))
2466 return RTMsgErrorExit(RTEXITCODE_FAILURE, "Error reading certificate from %s: %Rrc - %s",
2467 State.pszCert, rc, StaticErrInfo.szMsg);
2468 /*
2469 * Construct the trust anchor information.
2470 */
2471 RTCRTAFTRUSTANCHORINFO TrustAnchor;
2472 rc = RTCrTafTrustAnchorInfo_Init(&TrustAnchor, &g_RTAsn1DefaultAllocator);
2473 if (RT_SUCCESS(rc))
2474 {
2475 /* Public key. */
2476 Assert(RTCrX509SubjectPublicKeyInfo_IsPresent(&TrustAnchor.PubKey));
2477 RTCrX509SubjectPublicKeyInfo_Delete(&TrustAnchor.PubKey);
2478 rc = RTCrX509SubjectPublicKeyInfo_Clone(&TrustAnchor.PubKey, &Certificate.TbsCertificate.SubjectPublicKeyInfo,
2479 &g_RTAsn1DefaultAllocator);
2480 if (RT_FAILURE(rc))
2481 RTMsgError("RTCrX509SubjectPublicKeyInfo_Clone failed: %Rrc", rc);
2482 RTAsn1Core_ResetImplict(RTCrX509SubjectPublicKeyInfo_GetAsn1Core(&TrustAnchor.PubKey)); /* temporary hack. */
2483
2484 /* Key Identifier. */
2485 PCRTASN1OCTETSTRING pKeyIdentifier = NULL;
2486 if (Certificate.TbsCertificate.T3.fFlags & RTCRX509TBSCERTIFICATE_F_PRESENT_SUBJECT_KEY_IDENTIFIER)
2487 pKeyIdentifier = Certificate.TbsCertificate.T3.pSubjectKeyIdentifier;
2488 else if ( (Certificate.TbsCertificate.T3.fFlags & RTCRX509TBSCERTIFICATE_F_PRESENT_AUTHORITY_KEY_IDENTIFIER)
2489 && RTCrX509Certificate_IsSelfSigned(&Certificate)
2490 && RTAsn1OctetString_IsPresent(&Certificate.TbsCertificate.T3.pAuthorityKeyIdentifier->KeyIdentifier) )
2491 pKeyIdentifier = &Certificate.TbsCertificate.T3.pAuthorityKeyIdentifier->KeyIdentifier;
2492 else if ( (Certificate.TbsCertificate.T3.fFlags & RTCRX509TBSCERTIFICATE_F_PRESENT_OLD_AUTHORITY_KEY_IDENTIFIER)
2493 && RTCrX509Certificate_IsSelfSigned(&Certificate)
2494 && RTAsn1OctetString_IsPresent(&Certificate.TbsCertificate.T3.pOldAuthorityKeyIdentifier->KeyIdentifier) )
2495 pKeyIdentifier = &Certificate.TbsCertificate.T3.pOldAuthorityKeyIdentifier->KeyIdentifier;
2496 if (pKeyIdentifier && pKeyIdentifier->Asn1Core.cb > 0)
2497 {
2498 Assert(RTAsn1OctetString_IsPresent(&TrustAnchor.KeyIdentifier));
2499 RTAsn1OctetString_Delete(&TrustAnchor.KeyIdentifier);
2500 rc = RTAsn1OctetString_Clone(&TrustAnchor.KeyIdentifier, pKeyIdentifier, &g_RTAsn1DefaultAllocator);
2501 if (RT_FAILURE(rc))
2502 RTMsgError("RTAsn1OctetString_Clone failed: %Rrc", rc);
2503 RTAsn1Core_ResetImplict(RTAsn1OctetString_GetAsn1Core(&TrustAnchor.KeyIdentifier)); /* temporary hack. */
2504 }
2505 else
2506 RTMsgWarning("No key identifier found or has zero length.");
2507
2508 /* Subject */
2509 if (RT_SUCCESS(rc))
2510 {
2511 Assert(!RTCrTafCertPathControls_IsPresent(&TrustAnchor.CertPath));
2512 rc = RTCrTafCertPathControls_Init(&TrustAnchor.CertPath, &g_RTAsn1DefaultAllocator);
2513 if (RT_SUCCESS(rc))
2514 {
2515 Assert(RTCrX509Name_IsPresent(&TrustAnchor.CertPath.TaName));
2516 RTCrX509Name_Delete(&TrustAnchor.CertPath.TaName);
2517 rc = RTCrX509Name_Clone(&TrustAnchor.CertPath.TaName, &Certificate.TbsCertificate.Subject,
2518 &g_RTAsn1DefaultAllocator);
2519 if (RT_SUCCESS(rc))
2520 {
2521 RTAsn1Core_ResetImplict(RTCrX509Name_GetAsn1Core(&TrustAnchor.CertPath.TaName)); /* temporary hack. */
2522 rc = RTCrX509Name_RecodeAsUtf8(&TrustAnchor.CertPath.TaName, &g_RTAsn1DefaultAllocator);
2523 if (RT_FAILURE(rc))
2524 RTMsgError("RTCrX509Name_RecodeAsUtf8 failed: %Rrc", rc);
2525 }
2526 else
2527 RTMsgError("RTCrX509Name_Clone failed: %Rrc", rc);
2528 }
2529 else
2530 RTMsgError("RTCrTafCertPathControls_Init failed: %Rrc", rc);
2531 }
2532
2533 /* Check that what we've constructed makes some sense. */
2534 if (RT_SUCCESS(rc))
2535 {
2536 rc = RTCrTafTrustAnchorInfo_CheckSanity(&TrustAnchor, 0, RTErrInfoInitStatic(&StaticErrInfo), "TAI");
2537 if (RT_FAILURE(rc))
2538 RTMsgError("RTCrTafTrustAnchorInfo_CheckSanity failed: %Rrc - %s", rc, StaticErrInfo.szMsg);
2539 }
2540
2541 if (RT_SUCCESS(rc))
2542 {
2543 /*
2544 * Encode it and write it to the output file.
2545 */
2546 uint32_t cbEncoded;
2547 rc = RTAsn1EncodePrepare(RTCrTafTrustAnchorInfo_GetAsn1Core(&TrustAnchor), RTASN1ENCODE_F_DER, &cbEncoded,
2548 RTErrInfoInitStatic(&StaticErrInfo));
2549 if (RT_SUCCESS(rc))
2550 {
2551 if (State.cVerbose >= 1)
2552 RTAsn1Dump(RTCrTafTrustAnchorInfo_GetAsn1Core(&TrustAnchor), 0, 0, RTStrmDumpPrintfV, g_pStdOut);
2553
2554 PRTSTREAM pStrm;
2555 rc = RTStrmOpen(State.pszOutput, "wb", &pStrm);
2556 if (RT_SUCCESS(rc))
2557 {
2558 rc = RTAsn1EncodeWrite(RTCrTafTrustAnchorInfo_GetAsn1Core(&TrustAnchor), RTASN1ENCODE_F_DER,
2559 handleMakeTaInfoWriter, pStrm, RTErrInfoInitStatic(&StaticErrInfo));
2560 if (RT_SUCCESS(rc))
2561 {
2562 rc = RTStrmClose(pStrm);
2563 if (RT_SUCCESS(rc))
2564 RTMsgInfo("Successfully wrote TrustedAnchorInfo to '%s'.", State.pszOutput);
2565 else
2566 RTMsgError("RTStrmClose failed: %Rrc", rc);
2567 }
2568 else
2569 {
2570 RTMsgError("RTAsn1EncodeWrite failed: %Rrc - %s", rc, StaticErrInfo.szMsg);
2571 RTStrmClose(pStrm);
2572 }
2573 }
2574 else
2575 RTMsgError("Error opening '%s' for writing: %Rrcs", State.pszOutput, rc);
2576 }
2577 else
2578 RTMsgError("RTAsn1EncodePrepare failed: %Rrc - %s", rc, StaticErrInfo.szMsg);
2579 }
2580
2581 RTCrTafTrustAnchorInfo_Delete(&TrustAnchor);
2582 }
2583 else
2584 RTMsgError("RTCrTafTrustAnchorInfo_Init failed: %Rrc", rc);
2585
2586 RTCrX509Certificate_Delete(&Certificate);
2587 return RT_SUCCESS(rc) ? RTEXITCODE_SUCCESS : RTEXITCODE_FAILURE;
2588}
2589
2590
2591
2592/*
2593 * The 'version' command.
2594 */
2595static RTEXITCODE HelpVersion(PRTSTREAM pStrm, RTSIGNTOOLHELP enmLevel)
2596{
2597 RT_NOREF_PV(enmLevel);
2598 RTStrmPrintf(pStrm, "version\n");
2599 return RTEXITCODE_SUCCESS;
2600}
2601
2602static RTEXITCODE HandleVersion(int cArgs, char **papszArgs)
2603{
2604 RT_NOREF_PV(cArgs); RT_NOREF_PV(papszArgs);
2605#ifndef IN_BLD_PROG /* RTBldCfgVersion or RTBldCfgRevision in build time IPRT lib. */
2606 RTPrintf("%s\n", RTBldCfgVersion());
2607 return RTEXITCODE_SUCCESS;
2608#else
2609 return RTEXITCODE_FAILURE;
2610#endif
2611}
2612
2613
2614
2615/**
2616 * Command mapping.
2617 */
2618static struct
2619{
2620 /** The command. */
2621 const char *pszCmd;
2622 /**
2623 * Handle the command.
2624 * @returns Program exit code.
2625 * @param cArgs Number of arguments.
2626 * @param papszArgs The argument vector, starting with the command name.
2627 */
2628 RTEXITCODE (*pfnHandler)(int cArgs, char **papszArgs);
2629 /**
2630 * Produce help.
2631 * @returns RTEXITCODE_SUCCESS to simplify handling '--help' in the handler.
2632 * @param pStrm Where to send help text.
2633 * @param enmLevel The level of the help information.
2634 */
2635 RTEXITCODE (*pfnHelp)(PRTSTREAM pStrm, RTSIGNTOOLHELP enmLevel);
2636}
2637/** Mapping commands to handler and helper functions. */
2638const g_aCommands[] =
2639{
2640 { "extract-exe-signer-cert", HandleExtractExeSignerCert, HelpExtractExeSignerCert },
2641 { "add-nested-exe-signature", HandleAddNestedExeSignature, HelpAddNestedExeSignature },
2642 { "add-nested-cat-signature", HandleAddNestedCatSignature, HelpAddNestedCatSignature },
2643#ifndef IPRT_IN_BUILD_TOOL
2644 { "verify-exe", HandleVerifyExe, HelpVerifyExe },
2645#endif
2646 { "show-exe", HandleShowExe, HelpShowExe },
2647 { "show-cat", HandleShowCat, HelpShowCat },
2648 { "make-tainfo", HandleMakeTaInfo, HelpMakeTaInfo },
2649 { "help", HandleHelp, HelpHelp },
2650 { "--help", HandleHelp, NULL },
2651 { "-h", HandleHelp, NULL },
2652 { "version", HandleVersion, HelpVersion },
2653 { "--version", HandleVersion, NULL },
2654 { "-V", HandleVersion, NULL },
2655};
2656
2657
2658/*
2659 * The 'help' command.
2660 */
2661static RTEXITCODE HelpHelp(PRTSTREAM pStrm, RTSIGNTOOLHELP enmLevel)
2662{
2663 RT_NOREF_PV(enmLevel);
2664 RTStrmPrintf(pStrm, "help [cmd-patterns]\n");
2665 return RTEXITCODE_SUCCESS;
2666}
2667
2668static RTEXITCODE HandleHelp(int cArgs, char **papszArgs)
2669{
2670 RTSIGNTOOLHELP enmLevel = cArgs <= 1 ? RTSIGNTOOLHELP_USAGE : RTSIGNTOOLHELP_FULL;
2671 uint32_t cShowed = 0;
2672 for (uint32_t iCmd = 0; iCmd < RT_ELEMENTS(g_aCommands); iCmd++)
2673 {
2674 if (g_aCommands[iCmd].pfnHelp)
2675 {
2676 bool fShow = false;
2677 if (cArgs <= 1)
2678 fShow = true;
2679 else
2680 {
2681 for (int iArg = 1; iArg < cArgs; iArg++)
2682 if (RTStrSimplePatternMultiMatch(papszArgs[iArg], RTSTR_MAX, g_aCommands[iCmd].pszCmd, RTSTR_MAX, NULL))
2683 {
2684 fShow = true;
2685 break;
2686 }
2687 }
2688 if (fShow)
2689 {
2690 g_aCommands[iCmd].pfnHelp(g_pStdOut, enmLevel);
2691 cShowed++;
2692 }
2693 }
2694 }
2695 return cShowed ? RTEXITCODE_SUCCESS : RTEXITCODE_FAILURE;
2696}
2697
2698
2699
2700int main(int argc, char **argv)
2701{
2702 int rc = RTR3InitExe(argc, &argv, 0);
2703 if (RT_FAILURE(rc))
2704 return RTMsgInitFailure(rc);
2705
2706 /*
2707 * Parse global arguments.
2708 */
2709 int iArg = 1;
2710 /* none presently. */
2711
2712 /*
2713 * Command dispatcher.
2714 */
2715 if (iArg < argc)
2716 {
2717 const char *pszCmd = argv[iArg];
2718 uint32_t i = RT_ELEMENTS(g_aCommands);
2719 while (i-- > 0)
2720 if (!strcmp(g_aCommands[i].pszCmd, pszCmd))
2721 return g_aCommands[i].pfnHandler(argc - iArg, &argv[iArg]);
2722 RTMsgError("Unknown command '%s'.", pszCmd);
2723 }
2724 else
2725 RTMsgError("No command given. (try --help)");
2726
2727 return RTEXITCODE_SYNTAX;
2728}
2729
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