diff options
Diffstat (limited to 'src/tpm_debug.c')
| -rw-r--r-- | src/tpm_debug.c | 134 |
1 files changed, 134 insertions, 0 deletions
diff --git a/src/tpm_debug.c b/src/tpm_debug.c new file mode 100644 index 0000000..7c1efdf --- /dev/null +++ b/src/tpm_debug.c @@ -0,0 +1,134 @@ +/********************************************************************************/ +/* */ +/* TPM Debug Utilities */ +/* Written by Ken Goldman */ +/* IBM Thomas J. Watson Research Center */ +/* $Id: tpm_debug.c 4179 2010-11-10 20:10:24Z kgoldman $ */ +/* */ +/* (c) Copyright IBM Corporation 2006, 2010. */ +/* */ +/* All rights reserved. */ +/* */ +/* Redistribution and use in source and binary forms, with or without */ +/* modification, are permitted provided that the following conditions are */ +/* met: */ +/* */ +/* Redistributions of source code must retain the above copyright notice, */ +/* this list of conditions and the following disclaimer. */ +/* */ +/* Redistributions in binary form must reproduce the above copyright */ +/* notice, this list of conditions and the following disclaimer in the */ +/* documentation and/or other materials provided with the distribution. */ +/* */ +/* Neither the names of the IBM Corporation nor the names of its */ +/* contributors may be used to endorse or promote products derived from */ +/* this software without specific prior written permission. */ +/* */ +/* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS */ +/* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT */ +/* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR */ +/* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT */ +/* HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, */ +/* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT */ +/* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, */ +/* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY */ +/* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT */ +/* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE */ +/* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ +/********************************************************************************/ + +#include <stdio.h> + +#include "tpm_debug.h" +#undef printf + +#if 0 + +int swallow_rc = 0; + +int tpm_swallow_printf_args(const char *format, ...) +{ + format = format; /* to silence compiler */ + return 0; +} + +#else + +void TPM_PrintFourLimit(const char *string, + const unsigned char *buff, size_t buflen) +{ + if (buff != NULL) { + switch (buflen) { + case 0: + TPMLIB_LogPrintf("%s (no data)\n", string); + break; + case 1: + TPMLIB_LogPrintf("%s %02x\n", + string, + buff[0]); + break; + case 2: + TPMLIB_LogPrintf("%s %02x %02x\n", + string, + buff[0], + buff[1]); + break; + case 3: + TPMLIB_LogPrintf("%s %02x %02x %02x\n", + string, + buff[0], + buff[1], + buff[2]); + break; + default: + TPMLIB_LogPrintf("%s %02x %02x %02x %02x\n", + string, + buff[0], + buff[1], + buff[2], + buff[3]); + } + } + else { + TPMLIB_LogPrintf("%s null\n", string); + } + return; +} + +/* TPM_PrintFour() prints a prefix plus 4 bytes of a buffer */ + +void TPM_PrintFour(const char *string, const unsigned char* buff) +{ + TPM_PrintFourLimit(string, buff, 4); +} + +#endif + +/* TPM_PrintAll() prints 'string', the length, and then the entire byte array + */ + +void TPM_PrintAll(const char *string, const unsigned char* buff, uint32_t length) +{ + uint32_t i; + int indent; + + if (buff != NULL) { + indent = TPMLIB_LogPrintf("%s length %u\n", string, length); + if (indent < 0) + return; + + for (i = 0 ; i < length ; i++) { + if (i && !( i % 16 )) + TPMLIB_LogPrintfA(0, "\n"); + + if (!(i % 16)) + TPMLIB_LogPrintf(" %.2X ", buff[i]); + else + TPMLIB_LogPrintfA(0, "%.2X ", buff[i]); + } + TPMLIB_LogPrintfA(0, "\n"); + } else { + TPMLIB_LogPrintf("%s null\n", string); + } + return; +} |