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Diffstat (limited to 'config.h')
| l---------[-rw-r--r--] | config.h | 364 |
1 files changed, 1 insertions, 363 deletions
diff --git a/config.h b/config.h index 29c33d46..046ab52a 100644..120000 --- a/config.h +++ b/config.h @@ -1,363 +1 @@ -/* - american fuzzy lop plus plus - vaguely configurable bits - ---------------------------------------------- - - Written and maintained by Michal Zalewski <lcamtuf@google.com> - - Copyright 2013, 2014, 2015, 2016 Google Inc. All rights reserved. - - Licensed under the Apache License, Version 2.0 (the "License"); - you may not use this file except in compliance with the License. - You may obtain a copy of the License at: - - http://www.apache.org/licenses/LICENSE-2.0 - - */ - -#ifndef _HAVE_CONFIG_H -#define _HAVE_CONFIG_H - -#include "types.h" - -/* Version string: */ - -#define VERSION "++2.53d" // c = release, d = volatile github dev - -/****************************************************** - * * - * Settings that may be of interest to power users: * - * * - ******************************************************/ - -/* Comment out to disable terminal colors (note that this makes afl-analyze - a lot less nice): */ - -#define USE_COLOR - -/* Comment out to disable fancy ANSI boxes and use poor man's 7-bit UI: */ - -#define FANCY_BOXES - -/* Default timeout for fuzzed code (milliseconds). This is the upper bound, - also used for detecting hangs; the actual value is auto-scaled: */ - -#define EXEC_TIMEOUT 1000 - -/* Timeout rounding factor when auto-scaling (milliseconds): */ - -#define EXEC_TM_ROUND 20 - -/* Default memory limit for child process (MB): */ - -#ifndef __x86_64__ -# define MEM_LIMIT 25 -#else -# define MEM_LIMIT 50 -#endif /* ^!__x86_64__ */ - -/* Default memory limit when running in QEMU mode (MB): */ - -#define MEM_LIMIT_QEMU 200 - -/* Default memory limit when running in Unicorn mode (MB): */ - -#define MEM_LIMIT_UNICORN 200 - -/* Number of calibration cycles per every new test case (and for test - cases that show variable behavior): */ - -#define CAL_CYCLES 8 -#define CAL_CYCLES_LONG 40 - -/* Number of subsequent timeouts before abandoning an input file: */ - -#define TMOUT_LIMIT 250 - -/* Maximum number of unique hangs or crashes to record: */ - -#define KEEP_UNIQUE_HANG 500 -#define KEEP_UNIQUE_CRASH 5000 - -/* Baseline number of random tweaks during a single 'havoc' stage: */ - -#define HAVOC_CYCLES 256 -#define HAVOC_CYCLES_INIT 1024 - -/* Maximum multiplier for the above (should be a power of two, beware - of 32-bit int overflows): */ - -#define HAVOC_MAX_MULT 16 -#define HAVOC_MAX_MULT_MOPT 32 - -/* Absolute minimum number of havoc cycles (after all adjustments): */ - -#define HAVOC_MIN 16 - -/* Power Schedule Divisor */ -#define POWER_BETA 1 -#define MAX_FACTOR (POWER_BETA * 32) - -/* Maximum stacking for havoc-stage tweaks. The actual value is calculated - like this: - - n = random between 1 and HAVOC_STACK_POW2 - stacking = 2^n - - In other words, the default (n = 7) produces 2, 4, 8, 16, 32, 64, or - 128 stacked tweaks: */ - -#define HAVOC_STACK_POW2 7 - -/* Caps on block sizes for cloning and deletion operations. Each of these - ranges has a 33% probability of getting picked, except for the first - two cycles where smaller blocks are favored: */ - -#define HAVOC_BLK_SMALL 32 -#define HAVOC_BLK_MEDIUM 128 -#define HAVOC_BLK_LARGE 1500 - -/* Extra-large blocks, selected very rarely (<5% of the time): */ - -#define HAVOC_BLK_XL 32768 - -/* Probabilities of skipping non-favored entries in the queue, expressed as - percentages: */ - -#define SKIP_TO_NEW_PROB 99 /* ...when there are new, pending favorites */ -#define SKIP_NFAV_OLD_PROB 95 /* ...no new favs, cur entry already fuzzed */ -#define SKIP_NFAV_NEW_PROB 75 /* ...no new favs, cur entry not fuzzed yet */ - -/* Splicing cycle count: */ - -#define SPLICE_CYCLES 15 - -/* Nominal per-splice havoc cycle length: */ - -#define SPLICE_HAVOC 32 - -/* Maximum offset for integer addition / subtraction stages: */ - -#define ARITH_MAX 35 - -/* Limits for the test case trimmer. The absolute minimum chunk size; and - the starting and ending divisors for chopping up the input file: */ - -#define TRIM_MIN_BYTES 4 -#define TRIM_START_STEPS 16 -#define TRIM_END_STEPS 1024 - -/* Maximum size of input file, in bytes (keep under 100MB): */ - -#define MAX_FILE (1 * 1024 * 1024) - -/* The same, for the test case minimizer: */ - -#define TMIN_MAX_FILE (10 * 1024 * 1024) - -/* Block normalization steps for afl-tmin: */ - -#define TMIN_SET_MIN_SIZE 4 -#define TMIN_SET_STEPS 128 - -/* Maximum dictionary token size (-x), in bytes: */ - -#define MAX_DICT_FILE 128 - -/* Length limits for auto-detected dictionary tokens: */ - -#define MIN_AUTO_EXTRA 3 -#define MAX_AUTO_EXTRA 32 - -/* Maximum number of user-specified dictionary tokens to use in deterministic - steps; past this point, the "extras/user" step will be still carried out, - but with proportionally lower odds: */ - -#define MAX_DET_EXTRAS 200 - -/* Maximum number of auto-extracted dictionary tokens to actually use in fuzzing - (first value), and to keep in memory as candidates. The latter should be much - higher than the former. */ - -#define USE_AUTO_EXTRAS 50 -#define MAX_AUTO_EXTRAS (USE_AUTO_EXTRAS * 10) - -/* Scaling factor for the effector map used to skip some of the more - expensive deterministic steps. The actual divisor is set to - 2^EFF_MAP_SCALE2 bytes: */ - -#define EFF_MAP_SCALE2 3 - -/* Minimum input file length at which the effector logic kicks in: */ - -#define EFF_MIN_LEN 128 - -/* Maximum effector density past which everything is just fuzzed - unconditionally (%): */ - -#define EFF_MAX_PERC 90 - -/* UI refresh frequency (Hz): */ - -#define UI_TARGET_HZ 5 - -/* Fuzzer stats file and plot update intervals (sec): */ - -#define STATS_UPDATE_SEC 60 -#define PLOT_UPDATE_SEC 5 - -/* Smoothing divisor for CPU load and exec speed stats (1 - no smoothing). */ - -#define AVG_SMOOTHING 16 - -/* Sync interval (every n havoc cycles): */ - -#define SYNC_INTERVAL 5 - -/* Output directory reuse grace period (minutes): */ - -#define OUTPUT_GRACE 25 - -/* Uncomment to use simple file names (id_NNNNNN): */ - -// #define SIMPLE_FILES - -/* List of interesting values to use in fuzzing. */ - -#define INTERESTING_8 \ - -128, /* Overflow signed 8-bit when decremented */ \ - -1, /* */ \ - 0, /* */ \ - 1, /* */ \ - 16, /* One-off with common buffer size */ \ - 32, /* One-off with common buffer size */ \ - 64, /* One-off with common buffer size */ \ - 100, /* One-off with common buffer size */ \ - 127 /* Overflow signed 8-bit when incremented */ - -#define INTERESTING_16 \ - -32768, /* Overflow signed 16-bit when decremented */ \ - -129, /* Overflow signed 8-bit */ \ - 128, /* Overflow signed 8-bit */ \ - 255, /* Overflow unsig 8-bit when incremented */ \ - 256, /* Overflow unsig 8-bit */ \ - 512, /* One-off with common buffer size */ \ - 1000, /* One-off with common buffer size */ \ - 1024, /* One-off with common buffer size */ \ - 4096, /* One-off with common buffer size */ \ - 32767 /* Overflow signed 16-bit when incremented */ - -#define INTERESTING_32 \ - -2147483648LL, /* Overflow signed 32-bit when decremented */ \ - -100663046, /* Large negative number (endian-agnostic) */ \ - -32769, /* Overflow signed 16-bit */ \ - 32768, /* Overflow signed 16-bit */ \ - 65535, /* Overflow unsig 16-bit when incremented */ \ - 65536, /* Overflow unsig 16 bit */ \ - 100663045, /* Large positive number (endian-agnostic) */ \ - 2147483647 /* Overflow signed 32-bit when incremented */ - -/*********************************************************** - * * - * Really exotic stuff you probably don't want to touch: * - * * - ***********************************************************/ - -/* Call count interval between reseeding the libc PRNG from /dev/urandom: */ - -#define RESEED_RNG 10000 - -/* Maximum line length passed from GCC to 'as' and used for parsing - configuration files: */ - -#define MAX_LINE 8192 - -/* Environment variable used to pass SHM ID to the called program. */ - -#define SHM_ENV_VAR "__AFL_SHM_ID" - -/* Other less interesting, internal-only variables. */ - -#define CLANG_ENV_VAR "__AFL_CLANG_MODE" -#define AS_LOOP_ENV_VAR "__AFL_AS_LOOPCHECK" -#define PERSIST_ENV_VAR "__AFL_PERSISTENT" -#define DEFER_ENV_VAR "__AFL_DEFER_FORKSRV" - -/* In-code signatures for deferred and persistent mode. */ - -#define PERSIST_SIG "##SIG_AFL_PERSISTENT##" -#define DEFER_SIG "##SIG_AFL_DEFER_FORKSRV##" - -/* Distinctive bitmap signature used to indicate failed execution: */ - -#define EXEC_FAIL_SIG 0xfee1dead - -/* Distinctive exit code used to indicate MSAN trip condition: */ - -#define MSAN_ERROR 86 - -/* Designated file descriptors for forkserver commands (the application will - use FORKSRV_FD and FORKSRV_FD + 1): */ - -#define FORKSRV_FD 198 - -/* Fork server init timeout multiplier: we'll wait the user-selected - timeout plus this much for the fork server to spin up. */ - -#define FORK_WAIT_MULT 10 - -/* Calibration timeout adjustments, to be a bit more generous when resuming - fuzzing sessions or trying to calibrate already-added internal finds. - The first value is a percentage, the other is in milliseconds: */ - -#define CAL_TMOUT_PERC 125 -#define CAL_TMOUT_ADD 50 - -/* Number of chances to calibrate a case before giving up: */ - -#define CAL_CHANCES 3 - -/* Map size for the traced binary (2^MAP_SIZE_POW2). Must be greater than - 2; you probably want to keep it under 18 or so for performance reasons - (adjusting AFL_INST_RATIO when compiling is probably a better way to solve - problems with complex programs). You need to recompile the target binary - after changing this - otherwise, SEGVs may ensue. */ - -#define MAP_SIZE_POW2 16 -#define MAP_SIZE (1 << MAP_SIZE_POW2) - -/* Maximum allocator request size (keep well under INT_MAX): */ - -#define MAX_ALLOC 0x40000000 - -/* A made-up hashing seed: */ - -#define HASH_CONST 0xa5b35705 - -/* Constants for afl-gotcpu to control busy loop timing: */ - -#define CTEST_TARGET_MS 5000 -#define CTEST_CORE_TRG_MS 1000 -#define CTEST_BUSY_CYCLES (10 * 1000 * 1000) - -/* Enable NeverZero counters in QEMU mode */ - -#define AFL_QEMU_NOT_ZERO - -/* Uncomment this to use inferior block-coverage-based instrumentation. Note - that you need to recompile the target binary for this to have any effect: */ - -// #define COVERAGE_ONLY - -/* Uncomment this to ignore hit counts and output just one bit per tuple. - As with the previous setting, you will need to recompile the target - binary: */ - -// #define SKIP_COUNTS - -/* Uncomment this to use instrumentation data to record newly discovered paths, - but do not use them as seeds for fuzzing. This is useful for conveniently - measuring coverage that could be attained by a "dumb" fuzzing algorithm: */ - -// #define IGNORE_FINDS - -#endif /* ! _HAVE_CONFIG_H */ +include/config.h \ No newline at end of file |