/* $Id: tstRTDigest.cpp 51820 2014-07-02 19:32:59Z vboxsync $ */ /** @file * IPRT Testcase - RTSha*, RTMd5, RTCrc*. */ /* * Copyright (C) 2009-2011 Oracle Corporation * * This file is part of VirtualBox Open Source Edition (OSE), as * available from http://www.virtualbox.org. This file is free software; * you can redistribute it and/or modify it under the terms of the GNU * General Public License (GPL) as published by the Free Software * Foundation, in version 2 as it comes in the "COPYING" file of the * VirtualBox OSE distribution. VirtualBox OSE is distributed in the * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind. * * The contents of this file may alternatively be used under the terms * of the Common Development and Distribution License Version 1.0 * (CDDL) only, as it comes in the "COPYING.CDDL" file of the * VirtualBox OSE distribution, in which case the provisions of the * CDDL are applicable instead of those of the GPL. * * You may elect to license modified versions of this file under the * terms and conditions of either the GPL or the CDDL or both. */ /******************************************************************************* * Header Files * *******************************************************************************/ #include #include #include #include #include #include #include #include #include #include #include #include #include #include static int Error(const char *pszFormat, ...) { char szName[RTPATH_MAX]; if (!RTProcGetExecutablePath(szName, sizeof(szName))) strcpy(szName, "tstRTDigest"); RTStrmPrintf(g_pStdErr, "%s: error: ", RTPathFilename(szName)); va_list va; va_start(va, pszFormat); RTStrmPrintfV(g_pStdErr, pszFormat, va); va_end(va); return 1; } static int MyReadFile(RTFILE hFile, void *pvBuf, size_t cbToRead, size_t *pcbRead, uint64_t *pcbMaxLeft) { int rc = VINF_SUCCESS; if (*pcbMaxLeft > 0) { if (cbToRead > *pcbMaxLeft) cbToRead = (size_t)*pcbMaxLeft; rc = RTFileRead(hFile, pvBuf, cbToRead, pcbRead); if (RT_SUCCESS(rc)) *pcbMaxLeft -= *pcbRead; } else *pcbRead = 0; return rc; } int main(int argc, char **argv) { RTR3InitExe(argc, &argv, 0); enum { kDigestType_NotSpecified, kDigestType_CRC32, kDigestType_CRC64, kDigestType_MD2, kDigestType_MD5, kDigestType_SHA1, kDigestType_SHA256, kDigestType_SHA512 } enmDigestType = kDigestType_NotSpecified; const char *pszDigestType = "NotSpecified"; enum { kMethod_Full, kMethod_Block, kMethod_File } 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 = kDigestType_CRC32; } else if (!RTStrICmp(ValueUnion.psz, "crc64")) { pszDigestType = "CRC64"; enmDigestType = kDigestType_CRC64; } else if (!RTStrICmp(ValueUnion.psz, "md2")) { pszDigestType = "MD2"; enmDigestType = kDigestType_MD2; } else if (!RTStrICmp(ValueUnion.psz, "md5")) { pszDigestType = "MD5"; enmDigestType = kDigestType_MD5; } else if (!RTStrICmp(ValueUnion.psz, "sha1")) { pszDigestType = "SHA-1"; enmDigestType = kDigestType_SHA1; } else if (!RTStrICmp(ValueUnion.psz, "sha256")) { pszDigestType = "SHA-256"; enmDigestType = kDigestType_SHA256; } else if (!RTStrICmp(ValueUnion.psz, "sha512")) { pszDigestType = "SHA-512"; 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 'l': cbMax = ValueUnion.u64; break; case 'o': offStart = ValueUnion.u64; break; case 'x': fTestcase = true; break; case 'h': RTPrintf("usage: tstRTDigest -t [-o ] [-l ] [-x] 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: if (offStart != 0 || cbMax != UINT64_MAX) return Error("The -l and -o options do not work with the 'file' method."); 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); 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 kDigestType_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 kDigestType_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 kDigestType_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 kDigestType_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 kDigestType_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 kDigestType_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 kDigestType_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; } default: return Error("Internal error #2\n"); } break; } default: return RTGetOptPrintError(ch, &ValueUnion); } } return 0; }