| 1 | /********************************************************************************/
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| 2 | /* */
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| 3 | /* TPM Debug Utilities */
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| 4 | /* Written by Ken Goldman */
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| 5 | /* IBM Thomas J. Watson Research Center */
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| 6 | /* $Id: tpm_debug.c 4179 2010-11-10 20:10:24Z kgoldman $ */
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| 7 | /* */
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| 8 | /* (c) Copyright IBM Corporation 2006, 2010. */
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| 9 | /* */
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| 10 | /* All rights reserved. */
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| 11 | /* */
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| 12 | /* Redistribution and use in source and binary forms, with or without */
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| 13 | /* modification, are permitted provided that the following conditions are */
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| 14 | /* met: */
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| 15 | /* */
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| 16 | /* Redistributions of source code must retain the above copyright notice, */
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| 17 | /* this list of conditions and the following disclaimer. */
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| 18 | /* */
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| 19 | /* Redistributions in binary form must reproduce the above copyright */
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| 20 | /* notice, this list of conditions and the following disclaimer in the */
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| 21 | /* documentation and/or other materials provided with the distribution. */
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| 22 | /* */
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| 23 | /* Neither the names of the IBM Corporation nor the names of its */
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| 24 | /* contributors may be used to endorse or promote products derived from */
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| 25 | /* this software without specific prior written permission. */
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| 26 | /* */
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| 27 | /* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS */
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| 28 | /* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT */
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| 29 | /* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR */
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| 30 | /* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT */
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| 31 | /* HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, */
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| 32 | /* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT */
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| 33 | /* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, */
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| 34 | /* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY */
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| 35 | /* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT */
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| 36 | /* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE */
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| 37 | /* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */
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| 38 | /********************************************************************************/
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| 39 |
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| 40 | #include <stdio.h>
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| 41 |
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| 42 | #include "tpm_debug.h"
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| 43 | #undef printf
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| 44 |
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| 45 | #if 0
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| 46 |
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| 47 | int swallow_rc = 0;
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| 48 |
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| 49 | int tpm_swallow_printf_args(const char *format, ...)
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| 50 | {
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| 51 | format = format; /* to silence compiler */
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| 52 | return 0;
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| 53 | }
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| 54 |
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| 55 | #else
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| 56 |
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| 57 | void TPM_PrintFourLimit(const char *string,
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| 58 | const unsigned char *buff, size_t buflen)
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| 59 | {
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| 60 | if (buff != NULL) {
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| 61 | switch (buflen) {
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| 62 | case 0:
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| 63 | TPMLIB_LogPrintf("%s (no data)\n", string);
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| 64 | break;
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| 65 | case 1:
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| 66 | TPMLIB_LogPrintf("%s %02x\n",
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| 67 | string,
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| 68 | buff[0]);
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| 69 | break;
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| 70 | case 2:
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| 71 | TPMLIB_LogPrintf("%s %02x %02x\n",
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| 72 | string,
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| 73 | buff[0],
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| 74 | buff[1]);
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| 75 | break;
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| 76 | case 3:
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| 77 | TPMLIB_LogPrintf("%s %02x %02x %02x\n",
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| 78 | string,
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| 79 | buff[0],
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| 80 | buff[1],
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| 81 | buff[2]);
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| 82 | break;
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| 83 | default:
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| 84 | TPMLIB_LogPrintf("%s %02x %02x %02x %02x\n",
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| 85 | string,
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| 86 | buff[0],
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| 87 | buff[1],
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| 88 | buff[2],
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| 89 | buff[3]);
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| 90 | }
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| 91 | }
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| 92 | else {
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| 93 | TPMLIB_LogPrintf("%s null\n", string);
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| 94 | }
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| 95 | return;
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| 96 | }
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| 97 |
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| 98 | /* TPM_PrintFour() prints a prefix plus 4 bytes of a buffer */
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| 99 |
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| 100 | void TPM_PrintFour(const char *string, const unsigned char* buff)
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| 101 | {
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| 102 | TPM_PrintFourLimit(string, buff, 4);
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| 103 | }
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| 104 |
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| 105 | #endif
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| 106 |
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| 107 | /* TPM_PrintAll() prints 'string', the length, and then the entire byte array
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| 108 | */
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| 109 |
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| 110 | void TPM_PrintAll(const char *string, const unsigned char* buff, uint32_t length)
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| 111 | {
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| 112 | uint32_t i;
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| 113 | int indent;
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| 114 |
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| 115 | if (buff != NULL) {
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| 116 | indent = TPMLIB_LogPrintf("%s length %u\n", string, length);
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| 117 | if (indent < 0)
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| 118 | return;
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| 119 |
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| 120 | for (i = 0 ; i < length ; i++) {
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| 121 | if (i && !( i % 16 ))
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| 122 | TPMLIB_LogPrintfA(0, "\n");
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| 123 |
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| 124 | if (!(i % 16))
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| 125 | TPMLIB_LogPrintf(" %.2X ", buff[i]);
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| 126 | else
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| 127 | TPMLIB_LogPrintfA(0, "%.2X ", buff[i]);
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| 128 | }
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| 129 | TPMLIB_LogPrintfA(0, "\n");
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| 130 | } else {
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| 131 | TPMLIB_LogPrintf("%s null\n", string);
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| 132 | }
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| 133 | return;
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| 134 | }
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