RTR3DECL(int) RTSha256Digest(void* pvBuf, size_t cbBuf, char **ppszDigest, PFNRTPROGRESS pfnProgressCallback, void *pvUser)
{
/* Validate input */
AssertPtrReturn(pvBuf, VERR_INVALID_POINTER);
AssertPtrReturn(ppszDigest, VERR_INVALID_POINTER);
AssertPtrNullReturn(pfnProgressCallback, VERR_INVALID_PARAMETER);
int rc = VINF_SUCCESS;
*ppszDigest = NULL;
/* Initialize the hash context. */
RTSHA256CONTEXT Ctx;
RTSha256Init(&Ctx);
/* Buffer size for progress callback */
double rdMulti = 100.0 / (cbBuf ? cbBuf : 1);
/* Working buffer */
char *pvTmp = (char*)pvBuf;
/* Process the memory in blocks */
size_t cbReadTotal = 0;
for (;;)
{
size_t cbRead = RT_MIN(cbBuf - cbReadTotal, _1M);
RTSha256Update(&Ctx, pvTmp, cbRead);
cbReadTotal += cbRead;
pvTmp += cbRead;
/* Call the progress callback if one is defined */
if (pfnProgressCallback)
{
rc = pfnProgressCallback((unsigned)(cbReadTotal * rdMulti), pvUser);
if (RT_FAILURE(rc))
break; /* canceled */
}
/* Finished? */
if (cbReadTotal == cbBuf)
break;
}
if (RT_SUCCESS(rc))
{
/* Finally calculate & format the SHA256 sum */
uint8_t abHash[RTSHA256_HASH_SIZE];
RTSha256Final(&Ctx, abHash);
char *pszDigest;
rc = RTStrAllocEx(&pszDigest, RTSHA256_DIGEST_LEN + 1);
if (RT_SUCCESS(rc))
{
rc = RTSha256ToString(abHash, pszDigest, RTSHA256_DIGEST_LEN + 1);
if (RT_SUCCESS(rc))
*ppszDigest = pszDigest;
else
RTStrFree(pszDigest);
}
}
return rc;
}
RTDECL(void) RTSha256(const void *pvBuf, size_t cbBuf, uint8_t pabDigest[RTSHA256_HASH_SIZE])
{
RTSHA256CONTEXT Ctx;
RTSha256Init(&Ctx);
RTSha256Update(&Ctx, pvBuf, cbBuf);
RTSha256Final(&Ctx, pabDigest);
}
/** @impl_interface_method{RTCRDIGESTDESC::pfnInit} */
static DECLCALLBACK(int) rtCrDigestSha256_Init(void *pvState, void *pvOpaque, bool fReInit)
{
RT_NOREF_PV(pvOpaque); RT_NOREF_PV(fReInit);
AssertReturn(pvOpaque == NULL, VERR_INVALID_PARAMETER);
RTSha256Init((PRTSHA256CONTEXT)pvState);
return VINF_SUCCESS;
}
/**
* Creates a hashes structure.
*
* @returns Pointer to a hashes structure.
* @param fAttrs The desired hashes, RTMANIFEST_ATTR_XXX.
*/
static PRTMANIFESTHASHES rtManifestHashesCreate(uint32_t fAttrs)
{
PRTMANIFESTHASHES pHashes = (PRTMANIFESTHASHES)RTMemTmpAllocZ(sizeof(*pHashes));
if (pHashes)
{
pHashes->fAttrs = fAttrs;
/*pHashes->cbStream = 0;*/
if (fAttrs & RTMANIFEST_ATTR_MD5)
RTMd5Init(&pHashes->Md5Ctx);
if (fAttrs & RTMANIFEST_ATTR_SHA1)
RTSha1Init(&pHashes->Sha1Ctx);
if (fAttrs & RTMANIFEST_ATTR_SHA256)
RTSha256Init(&pHashes->Sha256Ctx);
if (fAttrs & RTMANIFEST_ATTR_SHA512)
RTSha512Init(&pHashes->Sha512Ctx);
}
return pHashes;
}
int main(int argc, char **argv)
{
RTR3InitExe(argc, &argv, 0);
enum
{
kDigestType_NotSpecified,
kDigestType_CRC32,
kDigestType_CRC64,
kDigestType_MD5,
kDigestType_SHA1,
kDigestType_SHA256,
kDigestType_SHA512
} enmDigestType = kDigestType_NotSpecified;
enum
{
kMethod_Full,
kMethod_Block,
kMethod_File
} enmMethod = kMethod_Block;
static const RTGETOPTDEF s_aOptions[] =
{
{ "--type", 't', RTGETOPT_REQ_STRING },
{ "--method", 'm', RTGETOPT_REQ_STRING },
{ "--help", 'h', RTGETOPT_REQ_NOTHING },
};
int ch;
RTGETOPTUNION ValueUnion;
RTGETOPTSTATE GetState;
RTGetOptInit(&GetState, argc, argv, s_aOptions, RT_ELEMENTS(s_aOptions), 1, 0);
while ((ch = RTGetOpt(&GetState, &ValueUnion)))
{
switch (ch)
{
case 't':
if (!RTStrICmp(ValueUnion.psz, "crc32"))
enmDigestType = kDigestType_CRC32;
else if (!RTStrICmp(ValueUnion.psz, "crc64"))
enmDigestType = kDigestType_CRC64;
else if (!RTStrICmp(ValueUnion.psz, "md5"))
enmDigestType = kDigestType_MD5;
else if (!RTStrICmp(ValueUnion.psz, "sha1"))
enmDigestType = kDigestType_SHA1;
else if (!RTStrICmp(ValueUnion.psz, "sha256"))
enmDigestType = kDigestType_SHA256;
else if (!RTStrICmp(ValueUnion.psz, "sha512"))
enmDigestType = kDigestType_SHA512;
else
{
Error("Invalid digest type: %s\n", ValueUnion.psz);
return 1;
}
break;
case 'm':
if (!RTStrICmp(ValueUnion.psz, "full"))
enmMethod = kMethod_Full;
else if (!RTStrICmp(ValueUnion.psz, "block"))
enmMethod = kMethod_Block;
else if (!RTStrICmp(ValueUnion.psz, "file"))
enmMethod = kMethod_File;
else
{
Error("Invalid digest method: %s\n", ValueUnion.psz);
return 1;
}
break;
case 'h':
RTPrintf("syntax: tstRTDigest -t <digest-type> file [file2 [..]]\n");
return 1;
case VINF_GETOPT_NOT_OPTION:
{
if (enmDigestType == kDigestType_NotSpecified)
return Error("No digest type was specified\n");
switch (enmMethod)
{
case kMethod_Full:
return Error("Full file method is not implemented\n");
case kMethod_File:
switch (enmDigestType)
{
case kDigestType_SHA1:
{
char *pszDigest;
int rc = RTSha1DigestFromFile(ValueUnion.psz, &pszDigest, NULL, NULL);
if (RT_FAILURE(rc))
return Error("RTSha1Digest(%s,) -> %Rrc\n", ValueUnion.psz, rc);
RTPrintf("%s %s\n", pszDigest, ValueUnion.psz);
RTStrFree(pszDigest);
break;
}
case kDigestType_SHA256:
{
char *pszDigest;
int rc = RTSha256DigestFromFile(ValueUnion.psz, &pszDigest, NULL, NULL);
if (RT_FAILURE(rc))
return Error("RTSha256Digest(%s,) -> %Rrc\n", ValueUnion.psz, rc);
RTPrintf("%s %s\n", pszDigest, ValueUnion.psz);
RTStrFree(pszDigest);
break;
}
default:
return Error("The file method isn't implemented for this digest\n");
}
break;
case kMethod_Block:
{
RTFILE hFile;
int rc = RTFileOpen(&hFile, ValueUnion.psz, RTFILE_O_READ | RTFILE_O_OPEN | RTFILE_O_DENY_WRITE);
if (RT_FAILURE(rc))
return Error("RTFileOpen(,%s,) -> %Rrc\n", ValueUnion.psz, rc);
size_t cbRead;
uint8_t abBuf[_64K];
char *pszDigest = (char *)&abBuf[0];
switch (enmDigestType)
{
case kDigestType_CRC32:
{
uint32_t uCRC32 = RTCrc32Start();
for (;;)
{
rc = RTFileRead(hFile, abBuf, sizeof(abBuf), &cbRead);
if (RT_FAILURE(rc) || !cbRead)
break;
uCRC32 = RTCrc32Process(uCRC32, abBuf, cbRead);
}
uCRC32 = RTCrc32Finish(uCRC32);
RTStrPrintf(pszDigest, sizeof(abBuf), "%08RX32", uCRC32);
break;
}
case kDigestType_CRC64:
{
uint64_t uCRC64 = RTCrc64Start();
for (;;)
{
rc = RTFileRead(hFile, abBuf, sizeof(abBuf), &cbRead);
if (RT_FAILURE(rc) || !cbRead)
break;
uCRC64 = RTCrc64Process(uCRC64, abBuf, cbRead);
}
uCRC64 = RTCrc64Finish(uCRC64);
RTStrPrintf(pszDigest, sizeof(abBuf), "%016RX64", uCRC64);
break;
}
case kDigestType_MD5:
{
RTMD5CONTEXT Ctx;
RTMd5Init(&Ctx);
for (;;)
{
rc = RTFileRead(hFile, abBuf, sizeof(abBuf), &cbRead);
if (RT_FAILURE(rc) || !cbRead)
break;
RTMd5Update(&Ctx, abBuf, cbRead);
}
uint8_t abDigest[RTMD5HASHSIZE];
RTMd5Final(abDigest, &Ctx);
RTMd5ToString(abDigest, pszDigest, sizeof(abBuf));
break;
}
case kDigestType_SHA1:
{
RTSHA1CONTEXT Ctx;
RTSha1Init(&Ctx);
for (;;)
{
rc = RTFileRead(hFile, abBuf, sizeof(abBuf), &cbRead);
if (RT_FAILURE(rc) || !cbRead)
break;
RTSha1Update(&Ctx, abBuf, cbRead);
}
uint8_t abDigest[RTSHA1_HASH_SIZE];
RTSha1Final(&Ctx, abDigest);
RTSha1ToString(abDigest, pszDigest, sizeof(abBuf));
break;
}
case kDigestType_SHA256:
{
RTSHA256CONTEXT Ctx;
RTSha256Init(&Ctx);
for (;;)
{
rc = RTFileRead(hFile, abBuf, sizeof(abBuf), &cbRead);
if (RT_FAILURE(rc) || !cbRead)
break;
RTSha256Update(&Ctx, abBuf, cbRead);
}
uint8_t abDigest[RTSHA256_HASH_SIZE];
RTSha256Final(&Ctx, abDigest);
RTSha256ToString(abDigest, pszDigest, sizeof(abBuf));
break;
}
case kDigestType_SHA512:
{
RTSHA512CONTEXT Ctx;
RTSha512Init(&Ctx);
for (;;)
{
rc = RTFileRead(hFile, abBuf, sizeof(abBuf), &cbRead);
if (RT_FAILURE(rc) || !cbRead)
break;
RTSha512Update(&Ctx, abBuf, cbRead);
}
uint8_t abDigest[RTSHA512_HASH_SIZE];
RTSha512Final(&Ctx, abDigest);
RTSha512ToString(abDigest, pszDigest, sizeof(abBuf));
break;
}
default:
return Error("Internal error #1\n");
}
RTFileClose(hFile);
if (RT_FAILURE(rc) && rc != VERR_EOF)
{
RTPrintf("Partial: %s %s\n", pszDigest, ValueUnion.psz);
return Error("RTFileRead(%s) -> %Rrc\n", ValueUnion.psz, rc);
}
RTPrintf("%s %s\n", pszDigest, ValueUnion.psz);
break;
}
default:
return Error("Internal error #2\n");
}
break;
}
default:
return RTGetOptPrintError(ch, &ValueUnion);
}
}
return 0;
}
int main(int argc, char **argv)
{
RTR3InitExe(argc, &argv, 0);
RTDIGESTTYPE enmDigestType = RTDIGESTTYPE_INVALID;
const char *pszDigestType = "NotSpecified";
enum
{
kMethod_Full,
kMethod_Block,
kMethod_File,
kMethod_CVAS
} enmMethod = kMethod_Block;
uint64_t offStart = 0;
uint64_t cbMax = UINT64_MAX;
bool fTestcase = false;
static const RTGETOPTDEF s_aOptions[] =
{
{ "--type", 't', RTGETOPT_REQ_STRING },
{ "--method", 'm', RTGETOPT_REQ_STRING },
{ "--help", 'h', RTGETOPT_REQ_NOTHING },
{ "--length", 'l', RTGETOPT_REQ_UINT64 },
{ "--offset", 'o', RTGETOPT_REQ_UINT64 },
{ "--testcase", 'x', RTGETOPT_REQ_NOTHING },
};
int ch;
RTGETOPTUNION ValueUnion;
RTGETOPTSTATE GetState;
RTGetOptInit(&GetState, argc, argv, s_aOptions, RT_ELEMENTS(s_aOptions), 1, RTGETOPTINIT_FLAGS_OPTS_FIRST);
while ((ch = RTGetOpt(&GetState, &ValueUnion)))
{
switch (ch)
{
case 't':
if (!RTStrICmp(ValueUnion.psz, "crc32"))
{
pszDigestType = "CRC32";
enmDigestType = RTDIGESTTYPE_CRC32;
}
else if (!RTStrICmp(ValueUnion.psz, "crc64"))
{
pszDigestType = "CRC64";
enmDigestType = RTDIGESTTYPE_CRC64;
}
else if (!RTStrICmp(ValueUnion.psz, "md2"))
{
pszDigestType = "MD2";
enmDigestType = RTDIGESTTYPE_MD2;
}
else if (!RTStrICmp(ValueUnion.psz, "md5"))
{
pszDigestType = "MD5";
enmDigestType = RTDIGESTTYPE_MD5;
}
else if (!RTStrICmp(ValueUnion.psz, "sha1"))
{
pszDigestType = "SHA-1";
enmDigestType = RTDIGESTTYPE_SHA1;
}
else if (!RTStrICmp(ValueUnion.psz, "sha224"))
{
pszDigestType = "SHA-224";
enmDigestType = RTDIGESTTYPE_SHA224;
}
else if (!RTStrICmp(ValueUnion.psz, "sha256"))
{
pszDigestType = "SHA-256";
enmDigestType = RTDIGESTTYPE_SHA256;
}
else if (!RTStrICmp(ValueUnion.psz, "sha384"))
{
pszDigestType = "SHA-384";
enmDigestType = RTDIGESTTYPE_SHA384;
}
else if (!RTStrICmp(ValueUnion.psz, "sha512"))
{
pszDigestType = "SHA-512";
enmDigestType = RTDIGESTTYPE_SHA512;
}
else if (!RTStrICmp(ValueUnion.psz, "sha512/224"))
{
pszDigestType = "SHA-512/224";
enmDigestType = RTDIGESTTYPE_SHA512T224;
}
else if (!RTStrICmp(ValueUnion.psz, "sha512/256"))
{
pszDigestType = "SHA-512/256";
enmDigestType = RTDIGESTTYPE_SHA512T256;
}
else
{
Error("Invalid digest type: %s\n", ValueUnion.psz);
return 1;
}
break;
case 'm':
if (!RTStrICmp(ValueUnion.psz, "full"))
enmMethod = kMethod_Full;
else if (!RTStrICmp(ValueUnion.psz, "block"))
enmMethod = kMethod_Block;
else if (!RTStrICmp(ValueUnion.psz, "file"))
enmMethod = kMethod_File;
else if (!RTStrICmp(ValueUnion.psz, "cvas"))
enmMethod = kMethod_CVAS;
else
{
Error("Invalid digest method: %s\n", ValueUnion.psz);
return 1;
}
break;
case 'l':
cbMax = ValueUnion.u64;
break;
case 'o':
offStart = ValueUnion.u64;
break;
case 'x':
fTestcase = true;
break;
case 'h':
RTPrintf("usage: tstRTDigest -t <digest-type> [-o <offset>] [-l <length>] [-x] file [file2 [..]]\n");
return 1;
case VINF_GETOPT_NOT_OPTION:
{
if (enmDigestType == RTDIGESTTYPE_INVALID)
return Error("No digest type was specified\n");
switch (enmMethod)
{
case kMethod_Full:
return Error("Full file method is not implemented\n");
case kMethod_File:
if (offStart != 0 || cbMax != UINT64_MAX)
return Error("The -l and -o options do not work with the 'file' method.");
switch (enmDigestType)
{
case RTDIGESTTYPE_SHA1:
{
char *pszDigest;
int rc = RTSha1DigestFromFile(ValueUnion.psz, &pszDigest, NULL, NULL);
if (RT_FAILURE(rc))
return Error("RTSha1Digest(%s,) -> %Rrc\n", ValueUnion.psz, rc);
RTPrintf("%s %s\n", pszDigest, ValueUnion.psz);
RTStrFree(pszDigest);
break;
}
case RTDIGESTTYPE_SHA256:
{
char *pszDigest;
int rc = RTSha256DigestFromFile(ValueUnion.psz, &pszDigest, NULL, NULL);
if (RT_FAILURE(rc))
return Error("RTSha256Digest(%s,) -> %Rrc\n", ValueUnion.psz, rc);
RTPrintf("%s %s\n", pszDigest, ValueUnion.psz);
RTStrFree(pszDigest);
break;
}
default:
return Error("The file method isn't implemented for this digest\n");
}
break;
case kMethod_Block:
{
RTFILE hFile;
int rc = RTFileOpen(&hFile, ValueUnion.psz, RTFILE_O_READ | RTFILE_O_OPEN | RTFILE_O_DENY_WRITE);
if (RT_FAILURE(rc))
return Error("RTFileOpen(,%s,) -> %Rrc\n", ValueUnion.psz, rc);
if (offStart != 0)
{
rc = RTFileSeek(hFile, offStart, RTFILE_SEEK_BEGIN, NULL);
if (RT_FAILURE(rc))
return Error("RTFileSeek(%s,%ull) -> %Rrc\n", ValueUnion.psz, offStart, rc);
}
uint64_t cbMaxLeft = cbMax;
size_t cbRead;
uint8_t abBuf[_64K];
char *pszDigest = (char *)&abBuf[0];
switch (enmDigestType)
{
case RTDIGESTTYPE_CRC32:
{
uint32_t uCRC32 = RTCrc32Start();
for (;;)
{
rc = MyReadFile(hFile, abBuf, sizeof(abBuf), &cbRead, &cbMaxLeft);
if (RT_FAILURE(rc) || !cbRead)
break;
uCRC32 = RTCrc32Process(uCRC32, abBuf, cbRead);
}
uCRC32 = RTCrc32Finish(uCRC32);
RTStrPrintf(pszDigest, sizeof(abBuf), "%08RX32", uCRC32);
break;
}
case RTDIGESTTYPE_CRC64:
{
uint64_t uCRC64 = RTCrc64Start();
for (;;)
{
rc = MyReadFile(hFile, abBuf, sizeof(abBuf), &cbRead, &cbMaxLeft);
if (RT_FAILURE(rc) || !cbRead)
break;
uCRC64 = RTCrc64Process(uCRC64, abBuf, cbRead);
}
uCRC64 = RTCrc64Finish(uCRC64);
RTStrPrintf(pszDigest, sizeof(abBuf), "%016RX64", uCRC64);
break;
}
case RTDIGESTTYPE_MD2:
{
RTMD2CONTEXT Ctx;
RTMd2Init(&Ctx);
for (;;)
{
rc = MyReadFile(hFile, abBuf, sizeof(abBuf), &cbRead, &cbMaxLeft);
if (RT_FAILURE(rc) || !cbRead)
break;
RTMd2Update(&Ctx, abBuf, cbRead);
}
uint8_t abDigest[RTMD2_HASH_SIZE];
RTMd2Final(&Ctx, abDigest);
RTMd2ToString(abDigest, pszDigest, sizeof(abBuf));
break;
}
case RTDIGESTTYPE_MD5:
{
RTMD5CONTEXT Ctx;
RTMd5Init(&Ctx);
for (;;)
{
rc = MyReadFile(hFile, abBuf, sizeof(abBuf), &cbRead, &cbMaxLeft);
if (RT_FAILURE(rc) || !cbRead)
break;
RTMd5Update(&Ctx, abBuf, cbRead);
}
uint8_t abDigest[RTMD5HASHSIZE];
RTMd5Final(abDigest, &Ctx);
RTMd5ToString(abDigest, pszDigest, sizeof(abBuf));
break;
}
case RTDIGESTTYPE_SHA1:
{
RTSHA1CONTEXT Ctx;
RTSha1Init(&Ctx);
for (;;)
{
rc = MyReadFile(hFile, abBuf, sizeof(abBuf), &cbRead, &cbMaxLeft);
if (RT_FAILURE(rc) || !cbRead)
break;
RTSha1Update(&Ctx, abBuf, cbRead);
}
uint8_t abDigest[RTSHA1_HASH_SIZE];
RTSha1Final(&Ctx, abDigest);
RTSha1ToString(abDigest, pszDigest, sizeof(abBuf));
break;
}
case RTDIGESTTYPE_SHA256:
{
RTSHA256CONTEXT Ctx;
RTSha256Init(&Ctx);
for (;;)
{
rc = MyReadFile(hFile, abBuf, sizeof(abBuf), &cbRead, &cbMaxLeft);
if (RT_FAILURE(rc) || !cbRead)
break;
RTSha256Update(&Ctx, abBuf, cbRead);
}
uint8_t abDigest[RTSHA256_HASH_SIZE];
RTSha256Final(&Ctx, abDigest);
RTSha256ToString(abDigest, pszDigest, sizeof(abBuf));
break;
}
case RTDIGESTTYPE_SHA512:
{
RTSHA512CONTEXT Ctx;
RTSha512Init(&Ctx);
for (;;)
{
rc = MyReadFile(hFile, abBuf, sizeof(abBuf), &cbRead, &cbMaxLeft);
if (RT_FAILURE(rc) || !cbRead)
break;
RTSha512Update(&Ctx, abBuf, cbRead);
}
uint8_t abDigest[RTSHA512_HASH_SIZE];
RTSha512Final(&Ctx, abDigest);
RTSha512ToString(abDigest, pszDigest, sizeof(abBuf));
break;
}
default:
return Error("Internal error #1\n");
}
RTFileClose(hFile);
if (RT_FAILURE(rc) && rc != VERR_EOF)
{
RTPrintf("Partial: %s %s\n", pszDigest, ValueUnion.psz);
return Error("RTFileRead(%s) -> %Rrc\n", ValueUnion.psz, rc);
}
if (!fTestcase)
RTPrintf("%s %s\n", pszDigest, ValueUnion.psz);
else if (offStart)
RTPrintf(" { &g_abRandom72KB[%#4llx], %5llu, \"%s\", \"%s %llu bytes @%llu\" },\n",
offStart, cbMax - cbMaxLeft, pszDigest, pszDigestType, offStart, cbMax - cbMaxLeft);
else
RTPrintf(" { &g_abRandom72KB[0], %5llu, \"%s\", \"%s %llu bytes\" },\n",
cbMax - cbMaxLeft, pszDigest, pszDigestType, cbMax - cbMaxLeft);
break;
}
/*
* Process a SHS response file:
* http://csrc.nist.gov/groups/STM/cavp/index.html#03
*/
case kMethod_CVAS:
{
RTCRDIGEST hDigest;
int rc = RTCrDigestCreateByType(&hDigest, enmDigestType);
if (RT_FAILURE(rc))
return Error("Failed to create digest calculator for %s: %Rrc", pszDigestType, rc);
uint32_t const cbDigest = RTCrDigestGetHashSize(hDigest);
if (!cbDigest || cbDigest >= _1K)
return Error("Unexpected hash size: %#x\n", cbDigest);
PRTSTREAM pFile;
rc = RTStrmOpen(ValueUnion.psz, "r", &pFile);
if (RT_FAILURE(rc))
return Error("Failed to open CVAS file '%s': %Rrc", ValueUnion.psz, rc);
/*
* Parse the input file.
* ASSUME order: Len, Msg, MD.
*/
static char s_szLine[_256K];
char *psz;
uint32_t cPassed = 0;
uint32_t cErrors = 0;
uint32_t iLine = 1;
for (;;)
{
psz = MyGetNextSignificantLine(pFile, s_szLine, sizeof(s_szLine), &iLine, &rc);
if (!psz)
break;
/* Skip [L = 20] stuff. */
if (*psz == '[')
continue;
/* Message length. */
uint64_t cMessageBits;
if (RTStrNICmp(psz, RT_STR_TUPLE("Len =")))
return Error("%s(%d): Expected 'Len =' found '%.10s...'", ValueUnion.psz, iLine, psz);
psz = RTStrStripL(psz + 5);
rc = RTStrToUInt64Full(psz, 0, &cMessageBits);
if (rc != VINF_SUCCESS)
return Error("%s(%d): Error parsing length '%s': %Rrc\n", ValueUnion.psz, iLine, psz, rc);
/* The message text. */
psz = MyGetNextSignificantLine(pFile, s_szLine, sizeof(s_szLine), &iLine, &rc);
if (!psz)
return Error("%s(%d): Expected message text not EOF.", ValueUnion.psz, iLine);
if (RTStrNICmp(psz, RT_STR_TUPLE("Msg =")))
return Error("%s(%d): Expected 'Msg =' found '%.10s...'", ValueUnion.psz, iLine, psz);
psz = RTStrStripL(psz + 5);
size_t const cbMessage = (cMessageBits + 7) / 8;
static uint8_t s_abMessage[sizeof(s_szLine) / 2];
if (cbMessage > 0)
{
rc = RTStrConvertHexBytes(psz, s_abMessage, cbMessage, 0 /*fFlags*/);
if (rc != VINF_SUCCESS)
return Error("%s(%d): Error parsing message '%.10s...': %Rrc\n",
ValueUnion.psz, iLine, psz, rc);
}
/* The message digest. */
psz = MyGetNextSignificantLine(pFile, s_szLine, sizeof(s_szLine), &iLine, &rc);
if (!psz)
return Error("%s(%d): Expected message digest not EOF.", ValueUnion.psz, iLine);
if (RTStrNICmp(psz, RT_STR_TUPLE("MD =")))
return Error("%s(%d): Expected 'MD =' found '%.10s...'", ValueUnion.psz, iLine, psz);
psz = RTStrStripL(psz + 4);
static uint8_t s_abExpectedDigest[_1K];
rc = RTStrConvertHexBytes(psz, s_abExpectedDigest, cbDigest, 0 /*fFlags*/);
if (rc != VINF_SUCCESS)
return Error("%s(%d): Error parsing message digest '%.10s...': %Rrc\n",
ValueUnion.psz, iLine, psz, rc);
/*
* Do the testing.
*/
rc = RTCrDigestReset(hDigest);
if (rc != VINF_SUCCESS)
return Error("RTCrDigestReset failed: %Rrc", rc);
rc = RTCrDigestUpdate(hDigest, s_abMessage, cbMessage);
if (rc != VINF_SUCCESS)
return Error("RTCrDigestUpdate failed: %Rrc", rc);
static uint8_t s_abActualDigest[_1K];
rc = RTCrDigestFinal(hDigest, s_abActualDigest, cbDigest);
if (rc != VINF_SUCCESS)
return Error("RTCrDigestFinal failed: %Rrc", rc);
if (memcmp(s_abActualDigest, s_abExpectedDigest, cbDigest) == 0)
cPassed++;
else
{
Error("%s(%d): Message digest mismatch. Expected %.*RThxs, got %.*RThxs.",
ValueUnion.psz, iLine, cbDigest, s_abExpectedDigest, cbDigest, s_abActualDigest);
cErrors++;
}
}
RTStrmClose(pFile);
if (cErrors > 0)
return Error("Failed: %u error%s (%u passed)", cErrors, cErrors == 1 ? "" : "s", cPassed);
RTPrintf("Passed %u test%s.\n", cPassed, cPassed == 1 ? "" : "s");
if (RT_FAILURE(rc))
return Error("Failed: %Rrc", rc);
break;
}
default:
return Error("Internal error #2\n");
}
break;
}
default:
return RTGetOptPrintError(ch, &ValueUnion);
}
}
return 0;
}
RTR3DECL(int) RTSha256DigestFromFile(const char *pszFile, char **ppszDigest, PFNRTPROGRESS pfnProgressCallback, void *pvUser)
{
/* Validate input */
AssertPtrReturn(pszFile, VERR_INVALID_POINTER);
AssertPtrReturn(ppszDigest, VERR_INVALID_POINTER);
AssertPtrNullReturn(pfnProgressCallback, VERR_INVALID_PARAMETER);
*ppszDigest = NULL;
/* Initialize the hash context. */
RTSHA256CONTEXT Ctx;
RTSha256Init(&Ctx);
/* Open the file to calculate a SHA256 sum of */
RTFILE hFile;
int rc = RTFileOpen(&hFile, pszFile, RTFILE_O_OPEN | RTFILE_O_READ | RTFILE_O_DENY_WRITE);
if (RT_FAILURE(rc))
return rc;
/* Fetch the file size. Only needed if there is a progress callback. */
double rdMulti = 0;
if (pfnProgressCallback)
{
uint64_t cbFile;
rc = RTFileGetSize(hFile, &cbFile);
if (RT_FAILURE(rc))
{
RTFileClose(hFile);
return rc;
}
rdMulti = 100.0 / (cbFile ? cbFile : 1);
}
/* Allocate a reasonably large buffer, fall back on a tiny one. */
void *pvBufFree;
size_t cbBuf = _1M;
void *pvBuf = pvBufFree = RTMemTmpAlloc(cbBuf);
if (!pvBuf)
{
cbBuf = 0x1000;
pvBuf = alloca(cbBuf);
}
/* Read that file in blocks */
size_t cbReadTotal = 0;
for (;;)
{
size_t cbRead;
rc = RTFileRead(hFile, pvBuf, cbBuf, &cbRead);
if (RT_FAILURE(rc) || !cbRead)
break;
RTSha256Update(&Ctx, pvBuf, cbRead);
cbReadTotal += cbRead;
/* Call the progress callback if one is defined */
if (pfnProgressCallback)
{
rc = pfnProgressCallback((unsigned)(cbReadTotal * rdMulti), pvUser);
if (RT_FAILURE(rc))
break; /* canceled */
}
}
RTMemTmpFree(pvBufFree);
RTFileClose(hFile);
if (RT_FAILURE(rc))
return rc;
/* Finally calculate & format the SHA256 sum */
uint8_t abHash[RTSHA256_HASH_SIZE];
RTSha256Final(&Ctx, abHash);
char *pszDigest;
rc = RTStrAllocEx(&pszDigest, RTSHA256_DIGEST_LEN + 1);
if (RT_SUCCESS(rc))
{
rc = RTSha256ToString(abHash, pszDigest, RTSHA256_DIGEST_LEN + 1);
if (RT_SUCCESS(rc))
*ppszDigest = pszDigest;
else
RTStrFree(pszDigest);
}
return rc;
}
static int shaOpenCallback(void *pvUser, const char *pszLocation, uint32_t fOpen,
PFNVDCOMPLETED pfnCompleted, void **ppInt)
{
/* Validate input. */
AssertPtrReturn(pvUser, VERR_INVALID_PARAMETER);
AssertPtrReturn(pszLocation, VERR_INVALID_POINTER);
AssertPtrNullReturn(pfnCompleted, VERR_INVALID_PARAMETER);
AssertPtrReturn(ppInt, VERR_INVALID_POINTER);
AssertReturn((fOpen & RTFILE_O_READWRITE) != RTFILE_O_READWRITE, VERR_INVALID_PARAMETER); /* No read/write allowed */
PSHASTORAGE pShaStorage = (PSHASTORAGE)pvUser;
PVDINTERFACEIO pIfIo = VDIfIoGet(pShaStorage->pVDImageIfaces);
AssertPtrReturn(pIfIo, VERR_INVALID_PARAMETER);
DEBUG_PRINT_FLOW();
PSHASTORAGEINTERNAL pInt = (PSHASTORAGEINTERNAL)RTMemAllocZ(sizeof(SHASTORAGEINTERNAL));
if (!pInt)
return VERR_NO_MEMORY;
int rc = VINF_SUCCESS;
do
{
pInt->pfnCompleted = pfnCompleted;
pInt->pShaStorage = pShaStorage;
pInt->fEOF = false;
pInt->fOpenMode = fOpen;
pInt->u32Status = STATUS_WAIT;
/* Circular buffer in the read case. */
rc = RTCircBufCreate(&pInt->pCircBuf, _1M * 2);
if (RT_FAILURE(rc))
break;
if (fOpen & RTFILE_O_WRITE)
{
/* The zero buffer is used for appending empty parts at the end of the
* file (or our buffer) in setSize or when uOffset in writeSync is
* increased in steps bigger than a byte. */
pInt->cbZeroBuf = _1K;
pInt->pvZeroBuf = RTMemAllocZ(pInt->cbZeroBuf);
if (!pInt->pvZeroBuf)
{
rc = VERR_NO_MEMORY;
break;
}
}
/* Create an event semaphore to indicate a state change for the worker
* thread. */
rc = RTSemEventCreate(&pInt->newStatusEvent);
if (RT_FAILURE(rc))
break;
/* Create an event semaphore to indicate a finished calculation of the
worker thread. */
rc = RTSemEventCreate(&pInt->workFinishedEvent);
if (RT_FAILURE(rc))
break;
/* Create the worker thread. */
rc = RTThreadCreate(&pInt->pWorkerThread, shaCalcWorkerThread, pInt, 0, RTTHREADTYPE_MAIN_HEAVY_WORKER, RTTHREADFLAGS_WAITABLE, "SHA-Worker");
if (RT_FAILURE(rc))
break;
if (pShaStorage->fCreateDigest)
{
/* Create a SHA1/SHA256 context the worker thread will work with. */
if (pShaStorage->fSha256)
RTSha256Init(&pInt->ctx.Sha256);
else
RTSha1Init(&pInt->ctx.Sha1);
}
/* Open the file. */
rc = vdIfIoFileOpen(pIfIo, pszLocation, fOpen, pInt->pfnCompleted,
&pInt->pvStorage);
if (RT_FAILURE(rc))
break;
if (fOpen & RTFILE_O_READ)
{
/* Immediately let the worker thread start the reading. */
rc = shaSignalManifestThread(pInt, STATUS_READ);
}
}
while(0);
if (RT_FAILURE(rc))
{
if (pInt->pWorkerThread)
{
shaSignalManifestThread(pInt, STATUS_END);
RTThreadWait(pInt->pWorkerThread, RT_INDEFINITE_WAIT, 0);
}
if (pInt->workFinishedEvent)
RTSemEventDestroy(pInt->workFinishedEvent);
if (pInt->newStatusEvent)
RTSemEventDestroy(pInt->newStatusEvent);
if (pInt->pCircBuf)
RTCircBufDestroy(pInt->pCircBuf);
if (pInt->pvZeroBuf)
RTMemFree(pInt->pvZeroBuf);
RTMemFree(pInt);
}
else
*ppInt = pInt;
return rc;
}