robert.swiecki@gmail.com | a3e014e | 2015-02-22 14:33:46 +0000 | [diff] [blame] | 1 | /* |
| 2 | * |
Robert Swiecki | e7294ca | 2017-11-11 02:46:32 +0100 | [diff] [blame] | 3 | * honggfuzz - run->dynamicFilefer mangling routines |
robert.swiecki@gmail.com | a3e014e | 2015-02-22 14:33:46 +0000 | [diff] [blame] | 4 | * ----------------------------------------- |
| 5 | * |
| 6 | * Author: |
| 7 | * Robert Swiecki <swiecki@google.com> |
| 8 | * |
| 9 | * Copyright 2010-2015 by Google Inc. All Rights Reserved. |
| 10 | * |
| 11 | * Licensed under the Apache License, Version 2.0 (the "License"); you may |
| 12 | * not use this file except in compliance with the License. You may obtain |
| 13 | * a copy of the License at |
| 14 | * |
| 15 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 16 | * |
| 17 | * Unless required by applicable law or agreed to in writing, software |
| 18 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 19 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or |
| 20 | * implied. See the License for the specific language governing |
| 21 | * permissions and limitations under the License. |
| 22 | * |
| 23 | */ |
| 24 | |
robert.swiecki@gmail.com | a3e014e | 2015-02-22 14:33:46 +0000 | [diff] [blame] | 25 | #include "mangle.h" |
| 26 | |
| 27 | #include <inttypes.h> |
robert.swiecki@gmail.com | 173f519 | 2015-02-23 00:06:47 +0000 | [diff] [blame] | 28 | #include <math.h> |
Robert Swiecki | 03de408 | 2017-12-06 17:56:50 +0100 | [diff] [blame] | 29 | #include <stdio.h> |
robert.swiecki@gmail.com | a3e014e | 2015-02-22 14:33:46 +0000 | [diff] [blame] | 30 | #include <stdlib.h> |
| 31 | #include <string.h> |
robert.swiecki@gmail.com | e768052 | 2015-02-22 22:22:37 +0000 | [diff] [blame] | 32 | #include <sys/mman.h> |
robert.swiecki@gmail.com | a3e014e | 2015-02-22 14:33:46 +0000 | [diff] [blame] | 33 | #include <unistd.h> |
| 34 | |
Robert Swiecki | 10eeb0a | 2017-09-28 15:42:52 +0200 | [diff] [blame] | 35 | #include "libcommon/common.h" |
Robert Swiecki | 241a741 | 2017-05-24 01:53:15 +0200 | [diff] [blame] | 36 | #include "libcommon/log.h" |
| 37 | #include "libcommon/util.h" |
robert.swiecki@gmail.com | a3e014e | 2015-02-22 14:33:46 +0000 | [diff] [blame] | 38 | |
Robert Swiecki | d50ed42 | 2017-11-13 23:32:26 +0100 | [diff] [blame] | 39 | static inline void mangle_Overwrite(run_t* run, const uint8_t* src, size_t off, size_t sz) { |
Robert Swiecki | e7294ca | 2017-11-11 02:46:32 +0100 | [diff] [blame] | 40 | size_t maxToCopy = run->dynamicFileSz - off; |
robert.swiecki@gmail.com | 1c555c7 | 2015-02-22 16:25:54 +0000 | [diff] [blame] | 41 | if (sz > maxToCopy) { |
| 42 | sz = maxToCopy; |
| 43 | } |
| 44 | |
Robert Swiecki | fe3429c | 2017-11-14 00:45:00 +0100 | [diff] [blame] | 45 | memmove(&run->dynamicFile[off], src, sz); |
robert.swiecki@gmail.com | 1c555c7 | 2015-02-22 16:25:54 +0000 | [diff] [blame] | 46 | } |
| 47 | |
Robert Swiecki | d50ed42 | 2017-11-13 23:32:26 +0100 | [diff] [blame] | 48 | static inline void mangle_Move(run_t* run, size_t off_from, size_t off_to, size_t len) { |
Robert Swiecki | e7294ca | 2017-11-11 02:46:32 +0100 | [diff] [blame] | 49 | if (off_from >= run->dynamicFileSz) { |
Robert Swiecki | 8e9ed42 | 2017-01-26 16:46:55 +0100 | [diff] [blame] | 50 | return; |
| 51 | } |
Robert Swiecki | e7294ca | 2017-11-11 02:46:32 +0100 | [diff] [blame] | 52 | if (off_to >= run->dynamicFileSz) { |
Robert Swiecki | 8e9ed42 | 2017-01-26 16:46:55 +0100 | [diff] [blame] | 53 | return; |
| 54 | } |
| 55 | |
Robert Swiecki | e7294ca | 2017-11-11 02:46:32 +0100 | [diff] [blame] | 56 | ssize_t len_from = (ssize_t)run->dynamicFileSz - off_from - 1; |
| 57 | ssize_t len_to = (ssize_t)run->dynamicFileSz - off_to - 1; |
Robert Swiecki | 8e9ed42 | 2017-01-26 16:46:55 +0100 | [diff] [blame] | 58 | |
Robert Swiecki | 4e595fb | 2017-10-11 17:26:51 +0200 | [diff] [blame] | 59 | if ((ssize_t)len > len_from) { |
Robert Swiecki | 8e9ed42 | 2017-01-26 16:46:55 +0100 | [diff] [blame] | 60 | len = len_from; |
| 61 | } |
Robert Swiecki | 4e595fb | 2017-10-11 17:26:51 +0200 | [diff] [blame] | 62 | if ((ssize_t)len > len_to) { |
Robert Swiecki | 8e9ed42 | 2017-01-26 16:46:55 +0100 | [diff] [blame] | 63 | len = len_to; |
| 64 | } |
| 65 | |
Robert Swiecki | e7294ca | 2017-11-11 02:46:32 +0100 | [diff] [blame] | 66 | memmove(&run->dynamicFile[off_to], &run->dynamicFile[off_from], len); |
Robert Swiecki | 8e9ed42 | 2017-01-26 16:46:55 +0100 | [diff] [blame] | 67 | } |
| 68 | |
Robert Swiecki | d50ed42 | 2017-11-13 23:32:26 +0100 | [diff] [blame] | 69 | static void mangle_Inflate(run_t* run, size_t off, size_t len) { |
Robert Swiecki | 78633d1 | 2017-11-13 23:24:55 +0100 | [diff] [blame] | 70 | if (run->dynamicFileSz >= run->global->maxFileSz) { |
Robert Swiecki | 40d1341 | 2017-01-29 02:45:37 +0100 | [diff] [blame] | 71 | return; |
| 72 | } |
Robert Swiecki | 78633d1 | 2017-11-13 23:24:55 +0100 | [diff] [blame] | 73 | if (len > (run->global->maxFileSz - run->dynamicFileSz)) { |
| 74 | len = run->global->maxFileSz - run->dynamicFileSz; |
Robert Swiecki | 40d1341 | 2017-01-29 02:45:37 +0100 | [diff] [blame] | 75 | } |
| 76 | |
Robert Swiecki | e7294ca | 2017-11-11 02:46:32 +0100 | [diff] [blame] | 77 | run->dynamicFileSz += len; |
| 78 | mangle_Move(run, off, off + len, run->dynamicFileSz); |
Robert Swiecki | 40d1341 | 2017-01-29 02:45:37 +0100 | [diff] [blame] | 79 | } |
| 80 | |
Robert Swiecki | d50ed42 | 2017-11-13 23:32:26 +0100 | [diff] [blame] | 81 | static void mangle_MemMove(run_t* run) { |
Robert Swiecki | e7294ca | 2017-11-11 02:46:32 +0100 | [diff] [blame] | 82 | size_t off_from = util_rndGet(0, run->dynamicFileSz - 1); |
| 83 | size_t off_to = util_rndGet(0, run->dynamicFileSz - 1); |
| 84 | size_t len = util_rndGet(0, run->dynamicFileSz); |
Robert Swiecki | 8e9ed42 | 2017-01-26 16:46:55 +0100 | [diff] [blame] | 85 | |
Robert Swiecki | e7294ca | 2017-11-11 02:46:32 +0100 | [diff] [blame] | 86 | mangle_Move(run, off_from, off_to, len); |
Robert Swiecki | 8e9ed42 | 2017-01-26 16:46:55 +0100 | [diff] [blame] | 87 | } |
| 88 | |
Robert Swiecki | d50ed42 | 2017-11-13 23:32:26 +0100 | [diff] [blame] | 89 | static void mangle_Byte(run_t* run) { |
Robert Swiecki | e7294ca | 2017-11-11 02:46:32 +0100 | [diff] [blame] | 90 | size_t off = util_rndGet(0, run->dynamicFileSz - 1); |
| 91 | run->dynamicFile[off] = (uint8_t)util_rnd64(); |
robert.swiecki@gmail.com | a3e014e | 2015-02-22 14:33:46 +0000 | [diff] [blame] | 92 | } |
| 93 | |
Robert Swiecki | d50ed42 | 2017-11-13 23:32:26 +0100 | [diff] [blame] | 94 | static void mangle_Bytes(run_t* run) { |
Robert Swiecki | e7294ca | 2017-11-11 02:46:32 +0100 | [diff] [blame] | 95 | size_t off = util_rndGet(0, run->dynamicFileSz - 1); |
Robert Swiecki | 4e595fb | 2017-10-11 17:26:51 +0200 | [diff] [blame] | 96 | uint32_t val = (uint32_t)util_rnd64(); |
robert.swiecki@gmail.com | 457ca14 | 2015-02-22 14:59:34 +0000 | [diff] [blame] | 97 | |
robert.swiecki@gmail.com | 12e7506 | 2015-02-22 15:01:21 +0000 | [diff] [blame] | 98 | /* Overwrite with random 2,3,4-byte values */ |
| 99 | size_t toCopy = util_rndGet(2, 4); |
Robert Swiecki | e7294ca | 2017-11-11 02:46:32 +0100 | [diff] [blame] | 100 | mangle_Overwrite(run, (uint8_t*)&val, off, toCopy); |
robert.swiecki@gmail.com | 457ca14 | 2015-02-22 14:59:34 +0000 | [diff] [blame] | 101 | } |
| 102 | |
Robert Swiecki | d50ed42 | 2017-11-13 23:32:26 +0100 | [diff] [blame] | 103 | static void mangle_Bit(run_t* run) { |
Robert Swiecki | e7294ca | 2017-11-11 02:46:32 +0100 | [diff] [blame] | 104 | size_t off = util_rndGet(0, run->dynamicFileSz - 1); |
| 105 | run->dynamicFile[off] ^= (uint8_t)(1U << util_rndGet(0, 7)); |
robert.swiecki@gmail.com | a3e014e | 2015-02-22 14:33:46 +0000 | [diff] [blame] | 106 | } |
| 107 | |
Robert Swiecki | d50ed42 | 2017-11-13 23:32:26 +0100 | [diff] [blame] | 108 | static void mangle_DictionaryInsert(run_t* run) { |
Robert Swiecki | 78633d1 | 2017-11-13 23:24:55 +0100 | [diff] [blame] | 109 | if (run->global->dictionaryCnt == 0) { |
| 110 | mangle_Bit(run); |
Robert Swiecki | 40d1341 | 2017-01-29 02:45:37 +0100 | [diff] [blame] | 111 | return; |
| 112 | } |
| 113 | |
Robert Swiecki | 78633d1 | 2017-11-13 23:24:55 +0100 | [diff] [blame] | 114 | uint64_t choice = util_rndGet(0, run->global->dictionaryCnt - 1); |
| 115 | struct strings_t* str = TAILQ_FIRST(&run->global->dictq); |
Robert Swiecki | 40d1341 | 2017-01-29 02:45:37 +0100 | [diff] [blame] | 116 | for (uint64_t i = 0; i < choice; i++) { |
Robert Swiecki | afb1610 | 2017-03-13 22:14:31 +0100 | [diff] [blame] | 117 | str = TAILQ_NEXT(str, pointers); |
Robert Swiecki | 40d1341 | 2017-01-29 02:45:37 +0100 | [diff] [blame] | 118 | } |
| 119 | |
Robert Swiecki | e7294ca | 2017-11-11 02:46:32 +0100 | [diff] [blame] | 120 | size_t off = util_rndGet(0, run->dynamicFileSz - 1); |
Robert Swiecki | 78633d1 | 2017-11-13 23:24:55 +0100 | [diff] [blame] | 121 | mangle_Inflate(run, off, str->len); |
Robert Swiecki | e7294ca | 2017-11-11 02:46:32 +0100 | [diff] [blame] | 122 | mangle_Move(run, off, off + str->len, str->len); |
| 123 | mangle_Overwrite(run, (uint8_t*)str->s, off, str->len); |
Robert Swiecki | 40d1341 | 2017-01-29 02:45:37 +0100 | [diff] [blame] | 124 | } |
| 125 | |
Robert Swiecki | d50ed42 | 2017-11-13 23:32:26 +0100 | [diff] [blame] | 126 | static void mangle_Dictionary(run_t* run) { |
Robert Swiecki | 78633d1 | 2017-11-13 23:24:55 +0100 | [diff] [blame] | 127 | if (run->global->dictionaryCnt == 0) { |
| 128 | mangle_Bit(run); |
tlogic@gmail.com | 7b6d7ee | 2015-04-23 21:30:12 +0000 | [diff] [blame] | 129 | return; |
robert.swiecki@gmail.com | 4f1124f | 2015-04-21 17:12:22 +0000 | [diff] [blame] | 130 | } |
| 131 | |
Robert Swiecki | e7294ca | 2017-11-11 02:46:32 +0100 | [diff] [blame] | 132 | size_t off = util_rndGet(0, run->dynamicFileSz - 1); |
Robert Swiecki | 531438a | 2016-09-13 19:05:11 +0200 | [diff] [blame] | 133 | |
Robert Swiecki | 78633d1 | 2017-11-13 23:24:55 +0100 | [diff] [blame] | 134 | uint64_t choice = util_rndGet(0, run->global->dictionaryCnt - 1); |
| 135 | struct strings_t* str = TAILQ_FIRST(&run->global->dictq); |
Robert Swiecki | 8e9ed42 | 2017-01-26 16:46:55 +0100 | [diff] [blame] | 136 | for (uint64_t i = 0; i < choice; i++) { |
Robert Swiecki | afb1610 | 2017-03-13 22:14:31 +0100 | [diff] [blame] | 137 | str = TAILQ_NEXT(str, pointers); |
Robert Swiecki | 8e9ed42 | 2017-01-26 16:46:55 +0100 | [diff] [blame] | 138 | } |
| 139 | |
Robert Swiecki | e7294ca | 2017-11-11 02:46:32 +0100 | [diff] [blame] | 140 | mangle_Overwrite(run, (uint8_t*)str->s, off, str->len); |
Robert Swiecki | 8e9ed42 | 2017-01-26 16:46:55 +0100 | [diff] [blame] | 141 | } |
| 142 | |
Robert Swiecki | d50ed42 | 2017-11-13 23:32:26 +0100 | [diff] [blame] | 143 | static void mangle_Magic(run_t* run) { |
robert.swiecki@gmail.com | 3d928f1 | 2015-04-15 14:43:21 +0000 | [diff] [blame] | 144 | static const struct { |
Anestis Bechtsoudis | 4799a9d | 2015-12-20 15:44:26 +0200 | [diff] [blame] | 145 | const uint8_t val[8]; |
robert.swiecki@gmail.com | a3e014e | 2015-02-22 14:33:46 +0000 | [diff] [blame] | 146 | const size_t size; |
Anestis Bechtsoudis | 4799a9d | 2015-12-20 15:44:26 +0200 | [diff] [blame] | 147 | } mangleMagicVals[] = { |
Anestis Bechtsoudis | 51c9bb1 | 2015-08-26 14:46:21 +0300 | [diff] [blame] | 148 | /* 1B - No endianness */ |
Robert Swiecki | d50ed42 | 2017-11-13 23:32:26 +0100 | [diff] [blame] | 149 | {"\x00\x00\x00\x00\x00\x00\x00\x00", 1}, |
| 150 | {"\x01\x00\x00\x00\x00\x00\x00\x00", 1}, |
| 151 | {"\x02\x00\x00\x00\x00\x00\x00\x00", 1}, |
| 152 | {"\x03\x00\x00\x00\x00\x00\x00\x00", 1}, |
| 153 | {"\x04\x00\x00\x00\x00\x00\x00\x00", 1}, |
| 154 | {"\x05\x00\x00\x00\x00\x00\x00\x00", 1}, |
| 155 | {"\x06\x00\x00\x00\x00\x00\x00\x00", 1}, |
| 156 | {"\x07\x00\x00\x00\x00\x00\x00\x00", 1}, |
| 157 | {"\x08\x00\x00\x00\x00\x00\x00\x00", 1}, |
| 158 | {"\x09\x00\x00\x00\x00\x00\x00\x00", 1}, |
| 159 | {"\x0A\x00\x00\x00\x00\x00\x00\x00", 1}, |
| 160 | {"\x0B\x00\x00\x00\x00\x00\x00\x00", 1}, |
| 161 | {"\x0C\x00\x00\x00\x00\x00\x00\x00", 1}, |
| 162 | {"\x0D\x00\x00\x00\x00\x00\x00\x00", 1}, |
| 163 | {"\x0E\x00\x00\x00\x00\x00\x00\x00", 1}, |
| 164 | {"\x0F\x00\x00\x00\x00\x00\x00\x00", 1}, |
| 165 | {"\x10\x00\x00\x00\x00\x00\x00\x00", 1}, |
| 166 | {"\x20\x00\x00\x00\x00\x00\x00\x00", 1}, |
| 167 | {"\x40\x00\x00\x00\x00\x00\x00\x00", 1}, |
| 168 | {"\x7E\x00\x00\x00\x00\x00\x00\x00", 1}, |
| 169 | {"\x7F\x00\x00\x00\x00\x00\x00\x00", 1}, |
| 170 | {"\x80\x00\x00\x00\x00\x00\x00\x00", 1}, |
| 171 | {"\x81\x00\x00\x00\x00\x00\x00\x00", 1}, |
| 172 | {"\xC0\x00\x00\x00\x00\x00\x00\x00", 1}, |
| 173 | {"\xFE\x00\x00\x00\x00\x00\x00\x00", 1}, |
| 174 | {"\xFF\x00\x00\x00\x00\x00\x00\x00", 1}, |
robert.swiecki@gmail.com | a3e014e | 2015-02-22 14:33:46 +0000 | [diff] [blame] | 175 | /* 2B - NE */ |
Robert Swiecki | d50ed42 | 2017-11-13 23:32:26 +0100 | [diff] [blame] | 176 | {"\x00\x00\x00\x00\x00\x00\x00\x00", 2}, |
| 177 | {"\x01\x01\x00\x00\x00\x00\x00\x00", 2}, |
| 178 | {"\x80\x80\x00\x00\x00\x00\x00\x00", 2}, |
| 179 | {"\xFF\xFF\x00\x00\x00\x00\x00\x00", 2}, |
robert.swiecki@gmail.com | a3e014e | 2015-02-22 14:33:46 +0000 | [diff] [blame] | 180 | /* 2B - BE */ |
Robert Swiecki | d50ed42 | 2017-11-13 23:32:26 +0100 | [diff] [blame] | 181 | {"\x00\x01\x00\x00\x00\x00\x00\x00", 2}, |
| 182 | {"\x00\x02\x00\x00\x00\x00\x00\x00", 2}, |
| 183 | {"\x00\x03\x00\x00\x00\x00\x00\x00", 2}, |
| 184 | {"\x00\x04\x00\x00\x00\x00\x00\x00", 2}, |
| 185 | {"\x00\x05\x00\x00\x00\x00\x00\x00", 2}, |
| 186 | {"\x00\x06\x00\x00\x00\x00\x00\x00", 2}, |
| 187 | {"\x00\x07\x00\x00\x00\x00\x00\x00", 2}, |
| 188 | {"\x00\x08\x00\x00\x00\x00\x00\x00", 2}, |
| 189 | {"\x00\x09\x00\x00\x00\x00\x00\x00", 2}, |
| 190 | {"\x00\x0A\x00\x00\x00\x00\x00\x00", 2}, |
| 191 | {"\x00\x0B\x00\x00\x00\x00\x00\x00", 2}, |
| 192 | {"\x00\x0C\x00\x00\x00\x00\x00\x00", 2}, |
| 193 | {"\x00\x0D\x00\x00\x00\x00\x00\x00", 2}, |
| 194 | {"\x00\x0E\x00\x00\x00\x00\x00\x00", 2}, |
| 195 | {"\x00\x0F\x00\x00\x00\x00\x00\x00", 2}, |
| 196 | {"\x00\x10\x00\x00\x00\x00\x00\x00", 2}, |
| 197 | {"\x00\x20\x00\x00\x00\x00\x00\x00", 2}, |
| 198 | {"\x00\x40\x00\x00\x00\x00\x00\x00", 2}, |
| 199 | {"\x00\x7E\x00\x00\x00\x00\x00\x00", 2}, |
| 200 | {"\x00\x7F\x00\x00\x00\x00\x00\x00", 2}, |
| 201 | {"\x00\x80\x00\x00\x00\x00\x00\x00", 2}, |
| 202 | {"\x00\x81\x00\x00\x00\x00\x00\x00", 2}, |
| 203 | {"\x00\xC0\x00\x00\x00\x00\x00\x00", 2}, |
| 204 | {"\x00\xFE\x00\x00\x00\x00\x00\x00", 2}, |
| 205 | {"\x00\xFF\x00\x00\x00\x00\x00\x00", 2}, |
| 206 | {"\x7E\xFF\x00\x00\x00\x00\x00\x00", 2}, |
| 207 | {"\x7F\xFF\x00\x00\x00\x00\x00\x00", 2}, |
| 208 | {"\x80\x00\x00\x00\x00\x00\x00\x00", 2}, |
| 209 | {"\x80\x01\x00\x00\x00\x00\x00\x00", 2}, |
| 210 | {"\xFF\xFE\x00\x00\x00\x00\x00\x00", 2}, |
robert.swiecki@gmail.com | a3e014e | 2015-02-22 14:33:46 +0000 | [diff] [blame] | 211 | /* 2B - LE */ |
Robert Swiecki | d50ed42 | 2017-11-13 23:32:26 +0100 | [diff] [blame] | 212 | {"\x00\x00\x00\x00\x00\x00\x00\x00", 2}, |
| 213 | {"\x01\x00\x00\x00\x00\x00\x00\x00", 2}, |
| 214 | {"\x02\x00\x00\x00\x00\x00\x00\x00", 2}, |
| 215 | {"\x03\x00\x00\x00\x00\x00\x00\x00", 2}, |
| 216 | {"\x04\x00\x00\x00\x00\x00\x00\x00", 2}, |
| 217 | {"\x05\x00\x00\x00\x00\x00\x00\x00", 2}, |
| 218 | {"\x06\x00\x00\x00\x00\x00\x00\x00", 2}, |
| 219 | {"\x07\x00\x00\x00\x00\x00\x00\x00", 2}, |
| 220 | {"\x08\x00\x00\x00\x00\x00\x00\x00", 2}, |
| 221 | {"\x09\x00\x00\x00\x00\x00\x00\x00", 2}, |
| 222 | {"\x0A\x00\x00\x00\x00\x00\x00\x00", 2}, |
| 223 | {"\x0B\x00\x00\x00\x00\x00\x00\x00", 2}, |
| 224 | {"\x0C\x00\x00\x00\x00\x00\x00\x00", 2}, |
| 225 | {"\x0D\x00\x00\x00\x00\x00\x00\x00", 2}, |
| 226 | {"\x0E\x00\x00\x00\x00\x00\x00\x00", 2}, |
| 227 | {"\x0F\x00\x00\x00\x00\x00\x00\x00", 2}, |
| 228 | {"\x10\x00\x00\x00\x00\x00\x00\x00", 2}, |
| 229 | {"\x20\x00\x00\x00\x00\x00\x00\x00", 2}, |
| 230 | {"\x40\x00\x00\x00\x00\x00\x00\x00", 2}, |
| 231 | {"\x7E\x00\x00\x00\x00\x00\x00\x00", 2}, |
| 232 | {"\x7F\x00\x00\x00\x00\x00\x00\x00", 2}, |
| 233 | {"\x80\x00\x00\x00\x00\x00\x00\x00", 2}, |
| 234 | {"\x81\x00\x00\x00\x00\x00\x00\x00", 2}, |
| 235 | {"\xC0\x00\x00\x00\x00\x00\x00\x00", 2}, |
| 236 | {"\xFE\x00\x00\x00\x00\x00\x00\x00", 2}, |
| 237 | {"\xFF\x00\x00\x00\x00\x00\x00\x00", 2}, |
| 238 | {"\xFF\x7E\x00\x00\x00\x00\x00\x00", 2}, |
| 239 | {"\xFF\x7F\x00\x00\x00\x00\x00\x00", 2}, |
| 240 | {"\x00\x80\x00\x00\x00\x00\x00\x00", 2}, |
| 241 | {"\x01\x80\x00\x00\x00\x00\x00\x00", 2}, |
| 242 | {"\xFE\xFF\x00\x00\x00\x00\x00\x00", 2}, |
robert.swiecki@gmail.com | a3e014e | 2015-02-22 14:33:46 +0000 | [diff] [blame] | 243 | /* 4B - NE */ |
Robert Swiecki | d50ed42 | 2017-11-13 23:32:26 +0100 | [diff] [blame] | 244 | {"\x00\x00\x00\x00\x00\x00\x00\x00", 4}, |
| 245 | {"\x01\x01\x01\x01\x00\x00\x00\x00", 4}, |
| 246 | {"\x80\x80\x80\x80\x00\x00\x00\x00", 4}, |
| 247 | {"\xFF\xFF\xFF\xFF\x00\x00\x00\x00", 4}, |
robert.swiecki@gmail.com | a3e014e | 2015-02-22 14:33:46 +0000 | [diff] [blame] | 248 | /* 4B - BE */ |
Robert Swiecki | d50ed42 | 2017-11-13 23:32:26 +0100 | [diff] [blame] | 249 | {"\x00\x00\x00\x01\x00\x00\x00\x00", 4}, |
| 250 | {"\x00\x00\x00\x02\x00\x00\x00\x00", 4}, |
| 251 | {"\x00\x00\x00\x03\x00\x00\x00\x00", 4}, |
| 252 | {"\x00\x00\x00\x04\x00\x00\x00\x00", 4}, |
| 253 | {"\x00\x00\x00\x05\x00\x00\x00\x00", 4}, |
| 254 | {"\x00\x00\x00\x06\x00\x00\x00\x00", 4}, |
| 255 | {"\x00\x00\x00\x07\x00\x00\x00\x00", 4}, |
| 256 | {"\x00\x00\x00\x08\x00\x00\x00\x00", 4}, |
| 257 | {"\x00\x00\x00\x09\x00\x00\x00\x00", 4}, |
| 258 | {"\x00\x00\x00\x0A\x00\x00\x00\x00", 4}, |
| 259 | {"\x00\x00\x00\x0B\x00\x00\x00\x00", 4}, |
| 260 | {"\x00\x00\x00\x0C\x00\x00\x00\x00", 4}, |
| 261 | {"\x00\x00\x00\x0D\x00\x00\x00\x00", 4}, |
| 262 | {"\x00\x00\x00\x0E\x00\x00\x00\x00", 4}, |
| 263 | {"\x00\x00\x00\x0F\x00\x00\x00\x00", 4}, |
| 264 | {"\x00\x00\x00\x10\x00\x00\x00\x00", 4}, |
| 265 | {"\x00\x00\x00\x20\x00\x00\x00\x00", 4}, |
| 266 | {"\x00\x00\x00\x40\x00\x00\x00\x00", 4}, |
| 267 | {"\x00\x00\x00\x7E\x00\x00\x00\x00", 4}, |
| 268 | {"\x00\x00\x00\x7F\x00\x00\x00\x00", 4}, |
| 269 | {"\x00\x00\x00\x80\x00\x00\x00\x00", 4}, |
| 270 | {"\x00\x00\x00\x81\x00\x00\x00\x00", 4}, |
| 271 | {"\x00\x00\x00\xC0\x00\x00\x00\x00", 4}, |
| 272 | {"\x00\x00\x00\xFE\x00\x00\x00\x00", 4}, |
| 273 | {"\x00\x00\x00\xFF\x00\x00\x00\x00", 4}, |
| 274 | {"\x7E\xFF\xFF\xFF\x00\x00\x00\x00", 4}, |
| 275 | {"\x7F\xFF\xFF\xFF\x00\x00\x00\x00", 4}, |
| 276 | {"\x80\x00\x00\x00\x00\x00\x00\x00", 4}, |
| 277 | {"\x80\x00\x00\x01\x00\x00\x00\x00", 4}, |
| 278 | {"\xFF\xFF\xFF\xFE\x00\x00\x00\x00", 4}, |
robert.swiecki@gmail.com | a3e014e | 2015-02-22 14:33:46 +0000 | [diff] [blame] | 279 | /* 4B - LE */ |
Robert Swiecki | d50ed42 | 2017-11-13 23:32:26 +0100 | [diff] [blame] | 280 | {"\x00\x00\x00\x00\x00\x00\x00\x00", 4}, |
| 281 | {"\x01\x00\x00\x00\x00\x00\x00\x00", 4}, |
| 282 | {"\x02\x00\x00\x00\x00\x00\x00\x00", 4}, |
| 283 | {"\x03\x00\x00\x00\x00\x00\x00\x00", 4}, |
| 284 | {"\x04\x00\x00\x00\x00\x00\x00\x00", 4}, |
| 285 | {"\x05\x00\x00\x00\x00\x00\x00\x00", 4}, |
| 286 | {"\x06\x00\x00\x00\x00\x00\x00\x00", 4}, |
| 287 | {"\x07\x00\x00\x00\x00\x00\x00\x00", 4}, |
| 288 | {"\x08\x00\x00\x00\x00\x00\x00\x00", 4}, |
| 289 | {"\x09\x00\x00\x00\x00\x00\x00\x00", 4}, |
| 290 | {"\x0A\x00\x00\x00\x00\x00\x00\x00", 4}, |
| 291 | {"\x0B\x00\x00\x00\x00\x00\x00\x00", 4}, |
| 292 | {"\x0C\x00\x00\x00\x00\x00\x00\x00", 4}, |
| 293 | {"\x0D\x00\x00\x00\x00\x00\x00\x00", 4}, |
| 294 | {"\x0E\x00\x00\x00\x00\x00\x00\x00", 4}, |
| 295 | {"\x0F\x00\x00\x00\x00\x00\x00\x00", 4}, |
| 296 | {"\x10\x00\x00\x00\x00\x00\x00\x00", 4}, |
| 297 | {"\x20\x00\x00\x00\x00\x00\x00\x00", 4}, |
| 298 | {"\x40\x00\x00\x00\x00\x00\x00\x00", 4}, |
| 299 | {"\x7E\x00\x00\x00\x00\x00\x00\x00", 4}, |
| 300 | {"\x7F\x00\x00\x00\x00\x00\x00\x00", 4}, |
| 301 | {"\x80\x00\x00\x00\x00\x00\x00\x00", 4}, |
| 302 | {"\x81\x00\x00\x00\x00\x00\x00\x00", 4}, |
| 303 | {"\xC0\x00\x00\x00\x00\x00\x00\x00", 4}, |
| 304 | {"\xFE\x00\x00\x00\x00\x00\x00\x00", 4}, |
| 305 | {"\xFF\x00\x00\x00\x00\x00\x00\x00", 4}, |
| 306 | {"\xFF\xFF\xFF\x7E\x00\x00\x00\x00", 4}, |
| 307 | {"\xFF\xFF\xFF\x7F\x00\x00\x00\x00", 4}, |
| 308 | {"\x00\x00\x00\x80\x00\x00\x00\x00", 4}, |
| 309 | {"\x01\x00\x00\x80\x00\x00\x00\x00", 4}, |
| 310 | {"\xFE\xFF\xFF\xFF\x00\x00\x00\x00", 4}, |
robert.swiecki@gmail.com | a3e014e | 2015-02-22 14:33:46 +0000 | [diff] [blame] | 311 | /* 8B - NE */ |
Robert Swiecki | d50ed42 | 2017-11-13 23:32:26 +0100 | [diff] [blame] | 312 | {"\x00\x00\x00\x00\x00\x00\x00\x00", 8}, |
| 313 | {"\x01\x01\x01\x01\x01\x01\x01\x01", 8}, |
| 314 | {"\x80\x80\x80\x80\x80\x80\x80\x80", 8}, |
| 315 | {"\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF", 8}, |
robert.swiecki@gmail.com | a3e014e | 2015-02-22 14:33:46 +0000 | [diff] [blame] | 316 | /* 8B - BE */ |
Robert Swiecki | d50ed42 | 2017-11-13 23:32:26 +0100 | [diff] [blame] | 317 | {"\x00\x00\x00\x00\x00\x00\x00\x01", 8}, |
| 318 | {"\x00\x00\x00\x00\x00\x00\x00\x02", 8}, |
| 319 | {"\x00\x00\x00\x00\x00\x00\x00\x03", 8}, |
| 320 | {"\x00\x00\x00\x00\x00\x00\x00\x04", 8}, |
| 321 | {"\x00\x00\x00\x00\x00\x00\x00\x05", 8}, |
| 322 | {"\x00\x00\x00\x00\x00\x00\x00\x06", 8}, |
| 323 | {"\x00\x00\x00\x00\x00\x00\x00\x07", 8}, |
| 324 | {"\x00\x00\x00\x00\x00\x00\x00\x08", 8}, |
| 325 | {"\x00\x00\x00\x00\x00\x00\x00\x09", 8}, |
| 326 | {"\x00\x00\x00\x00\x00\x00\x00\x0A", 8}, |
| 327 | {"\x00\x00\x00\x00\x00\x00\x00\x0B", 8}, |
| 328 | {"\x00\x00\x00\x00\x00\x00\x00\x0C", 8}, |
| 329 | {"\x00\x00\x00\x00\x00\x00\x00\x0D", 8}, |
| 330 | {"\x00\x00\x00\x00\x00\x00\x00\x0E", 8}, |
| 331 | {"\x00\x00\x00\x00\x00\x00\x00\x0F", 8}, |
| 332 | {"\x00\x00\x00\x00\x00\x00\x00\x10", 8}, |
| 333 | {"\x00\x00\x00\x00\x00\x00\x00\x20", 8}, |
| 334 | {"\x00\x00\x00\x00\x00\x00\x00\x40", 8}, |
| 335 | {"\x00\x00\x00\x00\x00\x00\x00\x7E", 8}, |
| 336 | {"\x00\x00\x00\x00\x00\x00\x00\x7F", 8}, |
| 337 | {"\x00\x00\x00\x00\x00\x00\x00\x80", 8}, |
| 338 | {"\x00\x00\x00\x00\x00\x00\x00\x81", 8}, |
| 339 | {"\x00\x00\x00\x00\x00\x00\x00\xC0", 8}, |
| 340 | {"\x00\x00\x00\x00\x00\x00\x00\xFE", 8}, |
| 341 | {"\x00\x00\x00\x00\x00\x00\x00\xFF", 8}, |
| 342 | {"\x7E\xFF\xFF\xFF\xFF\xFF\xFF\xFF", 8}, |
| 343 | {"\x7F\xFF\xFF\xFF\xFF\xFF\xFF\xFF", 8}, |
| 344 | {"\x80\x00\x00\x00\x00\x00\x00\x00", 8}, |
| 345 | {"\x80\x00\x00\x00\x00\x00\x00\x01", 8}, |
| 346 | {"\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFE", 8}, |
robert.swiecki@gmail.com | a3e014e | 2015-02-22 14:33:46 +0000 | [diff] [blame] | 347 | /* 8B - LE */ |
Robert Swiecki | d50ed42 | 2017-11-13 23:32:26 +0100 | [diff] [blame] | 348 | {"\x00\x00\x00\x00\x00\x00\x00\x00", 8}, |
| 349 | {"\x01\x00\x00\x00\x00\x00\x00\x00", 8}, |
| 350 | {"\x02\x00\x00\x00\x00\x00\x00\x00", 8}, |
| 351 | {"\x03\x00\x00\x00\x00\x00\x00\x00", 8}, |
| 352 | {"\x04\x00\x00\x00\x00\x00\x00\x00", 8}, |
| 353 | {"\x05\x00\x00\x00\x00\x00\x00\x00", 8}, |
| 354 | {"\x06\x00\x00\x00\x00\x00\x00\x00", 8}, |
| 355 | {"\x07\x00\x00\x00\x00\x00\x00\x00", 8}, |
| 356 | {"\x08\x00\x00\x00\x00\x00\x00\x00", 8}, |
| 357 | {"\x09\x00\x00\x00\x00\x00\x00\x00", 8}, |
| 358 | {"\x0A\x00\x00\x00\x00\x00\x00\x00", 8}, |
| 359 | {"\x0B\x00\x00\x00\x00\x00\x00\x00", 8}, |
| 360 | {"\x0C\x00\x00\x00\x00\x00\x00\x00", 8}, |
| 361 | {"\x0D\x00\x00\x00\x00\x00\x00\x00", 8}, |
| 362 | {"\x0E\x00\x00\x00\x00\x00\x00\x00", 8}, |
| 363 | {"\x0F\x00\x00\x00\x00\x00\x00\x00", 8}, |
| 364 | {"\x10\x00\x00\x00\x00\x00\x00\x00", 8}, |
| 365 | {"\x20\x00\x00\x00\x00\x00\x00\x00", 8}, |
| 366 | {"\x40\x00\x00\x00\x00\x00\x00\x00", 8}, |
| 367 | {"\x7E\x00\x00\x00\x00\x00\x00\x00", 8}, |
| 368 | {"\x7F\x00\x00\x00\x00\x00\x00\x00", 8}, |
| 369 | {"\x80\x00\x00\x00\x00\x00\x00\x00", 8}, |
| 370 | {"\x81\x00\x00\x00\x00\x00\x00\x00", 8}, |
| 371 | {"\xC0\x00\x00\x00\x00\x00\x00\x00", 8}, |
| 372 | {"\xFE\x00\x00\x00\x00\x00\x00\x00", 8}, |
| 373 | {"\xFF\x00\x00\x00\x00\x00\x00\x00", 8}, |
| 374 | {"\xFF\xFF\xFF\xFF\xFF\xFF\xFF\x7E", 8}, |
| 375 | {"\xFF\xFF\xFF\xFF\xFF\xFF\xFF\x7F", 8}, |
| 376 | {"\x00\x00\x00\x00\x00\x00\x00\x80", 8}, |
| 377 | {"\x01\x00\x00\x00\x00\x00\x00\x80", 8}, |
| 378 | {"\xFE\xFF\xFF\xFF\xFF\xFF\xFF\xFF", 8}, |
robert.swiecki@gmail.com | a3e014e | 2015-02-22 14:33:46 +0000 | [diff] [blame] | 379 | }; |
robert.swiecki@gmail.com | a3e014e | 2015-02-22 14:33:46 +0000 | [diff] [blame] | 380 | |
Robert Swiecki | e7294ca | 2017-11-11 02:46:32 +0100 | [diff] [blame] | 381 | size_t off = util_rndGet(0, run->dynamicFileSz - 1); |
robert.swiecki@gmail.com | a3e014e | 2015-02-22 14:33:46 +0000 | [diff] [blame] | 382 | uint64_t choice = util_rndGet(0, ARRAYSIZE(mangleMagicVals) - 1); |
Robert Swiecki | e7294ca | 2017-11-11 02:46:32 +0100 | [diff] [blame] | 383 | mangle_Overwrite(run, mangleMagicVals[choice].val, off, mangleMagicVals[choice].size); |
robert.swiecki@gmail.com | a3e014e | 2015-02-22 14:33:46 +0000 | [diff] [blame] | 384 | } |
| 385 | |
Robert Swiecki | d50ed42 | 2017-11-13 23:32:26 +0100 | [diff] [blame] | 386 | static void mangle_MemSet(run_t* run) { |
Robert Swiecki | e7294ca | 2017-11-11 02:46:32 +0100 | [diff] [blame] | 387 | size_t off = util_rndGet(0, run->dynamicFileSz - 1); |
| 388 | size_t sz = util_rndGet(1, run->dynamicFileSz - off); |
robert.swiecki@gmail.com | 89cc38c | 2015-02-23 02:52:08 +0000 | [diff] [blame] | 389 | int val = (int)util_rndGet(0, UINT8_MAX); |
| 390 | |
Robert Swiecki | e7294ca | 2017-11-11 02:46:32 +0100 | [diff] [blame] | 391 | memset(&run->dynamicFile[off], val, sz); |
robert.swiecki@gmail.com | 89cc38c | 2015-02-23 02:52:08 +0000 | [diff] [blame] | 392 | } |
| 393 | |
Robert Swiecki | d50ed42 | 2017-11-13 23:32:26 +0100 | [diff] [blame] | 394 | static void mangle_Random(run_t* run) { |
Robert Swiecki | e7294ca | 2017-11-11 02:46:32 +0100 | [diff] [blame] | 395 | size_t off = util_rndGet(0, run->dynamicFileSz - 1); |
| 396 | size_t len = util_rndGet(1, run->dynamicFileSz - off); |
| 397 | util_rndBuf(&run->dynamicFile[off], len); |
robert.swiecki@gmail.com | 89cc38c | 2015-02-23 02:52:08 +0000 | [diff] [blame] | 398 | } |
| 399 | |
Robert Swiecki | d50ed42 | 2017-11-13 23:32:26 +0100 | [diff] [blame] | 400 | static void mangle_AddSub(run_t* run) { |
Robert Swiecki | e7294ca | 2017-11-11 02:46:32 +0100 | [diff] [blame] | 401 | size_t off = util_rndGet(0, run->dynamicFileSz - 1); |
Robert Swiecki | 017f521 | 2017-01-26 16:03:29 +0100 | [diff] [blame] | 402 | |
Robert Swiecki | d6aaca7 | 2017-11-14 00:54:39 +0100 | [diff] [blame] | 403 | /* 1,2,4,8 */ |
| 404 | uint64_t varLen = 1U << util_rndGet(0, 3); |
Robert Swiecki | e7294ca | 2017-11-11 02:46:32 +0100 | [diff] [blame] | 405 | if ((run->dynamicFileSz - off) < varLen) { |
robert.swiecki@gmail.com | 5719764 | 2015-03-01 15:39:30 +0000 | [diff] [blame] | 406 | varLen = 1; |
robert.swiecki@gmail.com | 549ff18 | 2015-02-28 22:38:00 +0000 | [diff] [blame] | 407 | } |
| 408 | |
Robert Swiecki | 40d1341 | 2017-01-29 02:45:37 +0100 | [diff] [blame] | 409 | int delta = (int)util_rndGet(0, 8192); |
| 410 | delta -= 4096; |
robert.swiecki@gmail.com | 549ff18 | 2015-02-28 22:38:00 +0000 | [diff] [blame] | 411 | |
| 412 | switch (varLen) { |
Robert Swiecki | d50ed42 | 2017-11-13 23:32:26 +0100 | [diff] [blame] | 413 | case 1: { |
| 414 | run->dynamicFile[off] += delta; |
| 415 | return; |
| 416 | break; |
robert.swiecki@gmail.com | 62e34ae | 2015-03-05 03:39:32 +0000 | [diff] [blame] | 417 | } |
Robert Swiecki | d50ed42 | 2017-11-13 23:32:26 +0100 | [diff] [blame] | 418 | case 2: { |
Robert Swiecki | d6aaca7 | 2017-11-14 00:54:39 +0100 | [diff] [blame] | 419 | int16_t val; |
| 420 | memcpy(&val, &run->dynamicFile[off], sizeof(val)); |
| 421 | if (util_rnd64() & 0x1) { |
Robert Swiecki | d50ed42 | 2017-11-13 23:32:26 +0100 | [diff] [blame] | 422 | val += delta; |
| 423 | } else { |
| 424 | /* Foreign endianess */ |
| 425 | val = __builtin_bswap16(val); |
| 426 | val += delta; |
| 427 | val = __builtin_bswap16(val); |
| 428 | } |
| 429 | mangle_Overwrite(run, (uint8_t*)&val, off, varLen); |
| 430 | return; |
| 431 | break; |
robert.swiecki@gmail.com | 549ff18 | 2015-02-28 22:38:00 +0000 | [diff] [blame] | 432 | } |
Robert Swiecki | d50ed42 | 2017-11-13 23:32:26 +0100 | [diff] [blame] | 433 | case 4: { |
Robert Swiecki | d6aaca7 | 2017-11-14 00:54:39 +0100 | [diff] [blame] | 434 | int32_t val; |
| 435 | memcpy(&val, &run->dynamicFile[off], sizeof(val)); |
| 436 | if (util_rnd64() & 0x1) { |
Robert Swiecki | d50ed42 | 2017-11-13 23:32:26 +0100 | [diff] [blame] | 437 | val += delta; |
| 438 | } else { |
| 439 | /* Foreign endianess */ |
| 440 | val = __builtin_bswap32(val); |
| 441 | val += delta; |
| 442 | val = __builtin_bswap32(val); |
| 443 | } |
| 444 | mangle_Overwrite(run, (uint8_t*)&val, off, varLen); |
| 445 | return; |
| 446 | break; |
| 447 | } |
Robert Swiecki | d6aaca7 | 2017-11-14 00:54:39 +0100 | [diff] [blame] | 448 | case 8: { |
| 449 | int64_t val; |
| 450 | memcpy(&val, &run->dynamicFile[off], sizeof(val)); |
| 451 | if (util_rnd64() & 0x1) { |
| 452 | val += delta; |
| 453 | } else { |
| 454 | /* Foreign endianess */ |
| 455 | val = __builtin_bswap64(val); |
| 456 | val += delta; |
| 457 | val = __builtin_bswap64(val); |
| 458 | } |
| 459 | mangle_Overwrite(run, (uint8_t*)&val, off, varLen); |
| 460 | return; |
| 461 | break; |
| 462 | } |
Robert Swiecki | d50ed42 | 2017-11-13 23:32:26 +0100 | [diff] [blame] | 463 | default: { |
| 464 | LOG_F("Unknown variable length size: %" PRIu64, varLen); |
| 465 | break; |
| 466 | } |
robert.swiecki@gmail.com | 549ff18 | 2015-02-28 22:38:00 +0000 | [diff] [blame] | 467 | } |
| 468 | } |
| 469 | |
Robert Swiecki | d50ed42 | 2017-11-13 23:32:26 +0100 | [diff] [blame] | 470 | static void mangle_IncByte(run_t* run) { |
Robert Swiecki | e7294ca | 2017-11-11 02:46:32 +0100 | [diff] [blame] | 471 | size_t off = util_rndGet(0, run->dynamicFileSz - 1); |
| 472 | run->dynamicFile[off] += (uint8_t)1UL; |
robert.swiecki@gmail.com | 78973ed | 2015-03-01 03:57:18 +0000 | [diff] [blame] | 473 | } |
| 474 | |
Robert Swiecki | d50ed42 | 2017-11-13 23:32:26 +0100 | [diff] [blame] | 475 | static void mangle_DecByte(run_t* run) { |
Robert Swiecki | e7294ca | 2017-11-11 02:46:32 +0100 | [diff] [blame] | 476 | size_t off = util_rndGet(0, run->dynamicFileSz - 1); |
| 477 | run->dynamicFile[off] -= (uint8_t)1UL; |
robert.swiecki@gmail.com | 78973ed | 2015-03-01 03:57:18 +0000 | [diff] [blame] | 478 | } |
| 479 | |
Robert Swiecki | d50ed42 | 2017-11-13 23:32:26 +0100 | [diff] [blame] | 480 | static void mangle_NegByte(run_t* run) { |
Robert Swiecki | e7294ca | 2017-11-11 02:46:32 +0100 | [diff] [blame] | 481 | size_t off = util_rndGet(0, run->dynamicFileSz - 1); |
| 482 | run->dynamicFile[off] = ~(run->dynamicFile[off]); |
Robert Swiecki | e3bcadf | 2017-03-02 04:38:12 +0100 | [diff] [blame] | 483 | } |
| 484 | |
Robert Swiecki | d50ed42 | 2017-11-13 23:32:26 +0100 | [diff] [blame] | 485 | static void mangle_CloneByte(run_t* run) { |
Robert Swiecki | e7294ca | 2017-11-11 02:46:32 +0100 | [diff] [blame] | 486 | size_t off1 = util_rndGet(0, run->dynamicFileSz - 1); |
| 487 | size_t off2 = util_rndGet(0, run->dynamicFileSz - 1); |
Robert Swiecki | 017f521 | 2017-01-26 16:03:29 +0100 | [diff] [blame] | 488 | |
Robert Swiecki | e7294ca | 2017-11-11 02:46:32 +0100 | [diff] [blame] | 489 | uint8_t tmp = run->dynamicFile[off1]; |
| 490 | run->dynamicFile[off1] = run->dynamicFile[off2]; |
| 491 | run->dynamicFile[off2] = tmp; |
Robert Swiecki | 017f521 | 2017-01-26 16:03:29 +0100 | [diff] [blame] | 492 | } |
| 493 | |
Robert Swiecki | d50ed42 | 2017-11-13 23:32:26 +0100 | [diff] [blame] | 494 | static void mangle_Resize(run_t* run) { |
Robert Swiecki | 3f8e9fd | 2017-12-21 04:07:11 +0100 | [diff] [blame] | 495 | run->dynamicFileSz = util_rndGet(0, run->global->maxFileSz); |
Robert Swiecki | 017f521 | 2017-01-26 16:03:29 +0100 | [diff] [blame] | 496 | } |
| 497 | |
Robert Swiecki | d50ed42 | 2017-11-13 23:32:26 +0100 | [diff] [blame] | 498 | static void mangle_Expand(run_t* run) { |
Robert Swiecki | e7294ca | 2017-11-11 02:46:32 +0100 | [diff] [blame] | 499 | size_t off = util_rndGet(0, run->dynamicFileSz - 1); |
| 500 | size_t len = util_rndGet(1, run->dynamicFileSz - off); |
Robert Swiecki | 01fa606 | 2017-01-26 17:04:36 +0100 | [diff] [blame] | 501 | |
Robert Swiecki | 78633d1 | 2017-11-13 23:24:55 +0100 | [diff] [blame] | 502 | mangle_Inflate(run, off, len); |
Robert Swiecki | e7294ca | 2017-11-11 02:46:32 +0100 | [diff] [blame] | 503 | mangle_Move(run, off, off + len, run->dynamicFileSz); |
Robert Swiecki | 8e9ed42 | 2017-01-26 16:46:55 +0100 | [diff] [blame] | 504 | } |
| 505 | |
Robert Swiecki | d50ed42 | 2017-11-13 23:32:26 +0100 | [diff] [blame] | 506 | static void mangle_Shrink(run_t* run) { |
Robert Swiecki | e7294ca | 2017-11-11 02:46:32 +0100 | [diff] [blame] | 507 | if (run->dynamicFileSz <= 1U) { |
Robert Swiecki | 8e9ed42 | 2017-01-26 16:46:55 +0100 | [diff] [blame] | 508 | return; |
| 509 | } |
| 510 | |
Robert Swiecki | e7294ca | 2017-11-11 02:46:32 +0100 | [diff] [blame] | 511 | size_t len = util_rndGet(1, run->dynamicFileSz - 1); |
Robert Swiecki | ce15c8c | 2017-01-28 14:56:34 +0100 | [diff] [blame] | 512 | size_t off = util_rndGet(0, len); |
Robert Swiecki | 8e9ed42 | 2017-01-26 16:46:55 +0100 | [diff] [blame] | 513 | |
Robert Swiecki | e7294ca | 2017-11-11 02:46:32 +0100 | [diff] [blame] | 514 | mangle_Move(run, off + len, off, run->dynamicFileSz); |
| 515 | run->dynamicFileSz -= len; |
Jagger | 28a5977 | 2016-09-26 01:50:09 +0200 | [diff] [blame] | 516 | } |
| 517 | |
Robert Swiecki | d50ed42 | 2017-11-13 23:32:26 +0100 | [diff] [blame] | 518 | static void mangle_InsertRnd(run_t* run) { |
Robert Swiecki | e7294ca | 2017-11-11 02:46:32 +0100 | [diff] [blame] | 519 | size_t off = util_rndGet(0, run->dynamicFileSz - 1); |
| 520 | size_t len = util_rndGet(1, run->dynamicFileSz - off); |
Robert Swiecki | 40d1341 | 2017-01-29 02:45:37 +0100 | [diff] [blame] | 521 | |
Robert Swiecki | 78633d1 | 2017-11-13 23:24:55 +0100 | [diff] [blame] | 522 | mangle_Inflate(run, off, len); |
Robert Swiecki | e7294ca | 2017-11-11 02:46:32 +0100 | [diff] [blame] | 523 | mangle_Move(run, off, off + len, run->dynamicFileSz); |
| 524 | util_rndBuf(&run->dynamicFile[off], len); |
Robert Swiecki | 40d1341 | 2017-01-29 02:45:37 +0100 | [diff] [blame] | 525 | } |
| 526 | |
Robert Swiecki | 03de408 | 2017-12-06 17:56:50 +0100 | [diff] [blame] | 527 | static void mangle_ASCIIVal(run_t* run) { |
| 528 | char buf[32]; |
| 529 | snprintf(buf, sizeof(buf), "%" PRId64, (int64_t)util_rnd64()); |
| 530 | size_t off = util_rndGet(0, run->dynamicFileSz - 1); |
| 531 | |
| 532 | mangle_Overwrite(run, (uint8_t*)buf, off, strlen(buf)); |
| 533 | } |
| 534 | |
Robert Swiecki | d50ed42 | 2017-11-13 23:32:26 +0100 | [diff] [blame] | 535 | void mangle_mangleContent(run_t* run) { |
Robert Swiecki | e7294ca | 2017-11-11 02:46:32 +0100 | [diff] [blame] | 536 | if (run->mutationsPerRun == 0U) { |
Robert Swiecki | a438a52 | 2017-03-02 14:37:54 +0100 | [diff] [blame] | 537 | return; |
Robert Swiecki | 9f25daf | 2017-01-30 01:29:52 +0100 | [diff] [blame] | 538 | } |
Robert Swiecki | a438a52 | 2017-03-02 14:37:54 +0100 | [diff] [blame] | 539 | |
Robert Swiecki | 947dc23 | 2017-05-09 16:56:52 +0200 | [diff] [blame] | 540 | /* 20% chance to change the file size */ |
| 541 | if ((util_rnd64() % 5) == 0) { |
Robert Swiecki | 78633d1 | 2017-11-13 23:24:55 +0100 | [diff] [blame] | 542 | mangle_Resize(run); |
Robert Swiecki | 46c21e3 | 2017-04-28 21:15:14 +0200 | [diff] [blame] | 543 | } |
| 544 | |
Robert Swiecki | 3f8e9fd | 2017-12-21 04:07:11 +0100 | [diff] [blame] | 545 | /* No point in modifying it if its size is 0 */ |
| 546 | if (run->dynamicFileSz == 0UL) { |
| 547 | return; |
| 548 | } |
| 549 | |
Robert Swiecki | 78633d1 | 2017-11-13 23:24:55 +0100 | [diff] [blame] | 550 | static void (*const mangleFuncs[])(run_t * run) = { |
robert.swiecki@gmail.com | a3e014e | 2015-02-22 14:33:46 +0000 | [diff] [blame] | 551 | mangle_Byte, |
Jagger | 68d4c36 | 2016-09-07 03:16:37 +0200 | [diff] [blame] | 552 | mangle_Bit, |
robert.swiecki@gmail.com | 17ee676 | 2015-02-22 15:19:31 +0000 | [diff] [blame] | 553 | mangle_Bytes, |
robert.swiecki@gmail.com | a3e014e | 2015-02-22 14:33:46 +0000 | [diff] [blame] | 554 | mangle_Magic, |
robert.swiecki@gmail.com | 87e7275 | 2015-03-03 16:15:59 +0000 | [diff] [blame] | 555 | mangle_IncByte, |
robert.swiecki@gmail.com | 87e7275 | 2015-03-03 16:15:59 +0000 | [diff] [blame] | 556 | mangle_DecByte, |
Robert Swiecki | e3bcadf | 2017-03-02 04:38:12 +0100 | [diff] [blame] | 557 | mangle_NegByte, |
robert.swiecki@gmail.com | 87e7275 | 2015-03-03 16:15:59 +0000 | [diff] [blame] | 558 | mangle_AddSub, |
robert.swiecki@gmail.com | 4f1124f | 2015-04-21 17:12:22 +0000 | [diff] [blame] | 559 | mangle_Dictionary, |
Robert Swiecki | 8e9ed42 | 2017-01-26 16:46:55 +0100 | [diff] [blame] | 560 | mangle_DictionaryInsert, |
robert.swiecki@gmail.com | 89cc38c | 2015-02-23 02:52:08 +0000 | [diff] [blame] | 561 | mangle_MemMove, |
| 562 | mangle_MemSet, |
robert.swiecki@gmail.com | 50e1f3b | 2015-02-23 17:32:11 +0000 | [diff] [blame] | 563 | mangle_Random, |
Robert Swiecki | 017f521 | 2017-01-26 16:03:29 +0100 | [diff] [blame] | 564 | mangle_CloneByte, |
Robert Swiecki | 017f521 | 2017-01-26 16:03:29 +0100 | [diff] [blame] | 565 | mangle_Expand, |
Robert Swiecki | 8e9ed42 | 2017-01-26 16:46:55 +0100 | [diff] [blame] | 566 | mangle_Shrink, |
Robert Swiecki | 40d1341 | 2017-01-29 02:45:37 +0100 | [diff] [blame] | 567 | mangle_InsertRnd, |
Robert Swiecki | 03de408 | 2017-12-06 17:56:50 +0100 | [diff] [blame] | 568 | mangle_ASCIIVal, |
Robert Swiecki | f5f1984 | 2017-02-03 01:51:56 +0100 | [diff] [blame] | 569 | }; |
Robert Swiecki | de8eaa9 | 2017-02-02 04:01:09 +0100 | [diff] [blame] | 570 | |
Robert Swiecki | bcd7f30 | 2017-05-09 17:02:30 +0200 | [diff] [blame] | 571 | /* Max number of stacked changes is 6 */ |
Robert Swiecki | 78633d1 | 2017-11-13 23:24:55 +0100 | [diff] [blame] | 572 | uint64_t changesCnt = util_rndGet(1, run->global->mutationsPerRun); |
robert.swiecki@gmail.com | a3e014e | 2015-02-22 14:33:46 +0000 | [diff] [blame] | 573 | |
| 574 | for (uint64_t x = 0; x < changesCnt; x++) { |
robert.swiecki@gmail.com | a3e014e | 2015-02-22 14:33:46 +0000 | [diff] [blame] | 575 | uint64_t choice = util_rndGet(0, ARRAYSIZE(mangleFuncs) - 1); |
Robert Swiecki | 78633d1 | 2017-11-13 23:24:55 +0100 | [diff] [blame] | 576 | mangleFuncs[choice](run); |
robert.swiecki@gmail.com | a3e014e | 2015-02-22 14:33:46 +0000 | [diff] [blame] | 577 | } |
| 578 | } |