diff options
Diffstat (limited to 'harnesses')
| -rw-r--r-- | harnesses/ascii_compatible.dict | 111 | ||||
| -rw-r--r-- | harnesses/deluxe-encode-harness.c | 204 | ||||
| -rw-r--r-- | harnesses/dict_conv.py | 72 | ||||
| -rw-r--r-- | harnesses/encode-harness.c | 365 | ||||
| -rw-r--r-- | harnesses/libfuzzer-onig.cpp | 45 | ||||
| -rw-r--r-- | harnesses/makefile | 69 | ||||
| -rw-r--r-- | harnesses/regset-harness.c | 379 |
7 files changed, 1245 insertions, 0 deletions
diff --git a/harnesses/ascii_compatible.dict b/harnesses/ascii_compatible.dict new file mode 100644 index 0000000..e6e00db --- /dev/null +++ b/harnesses/ascii_compatible.dict @@ -0,0 +1,111 @@ +# First-pass fuzzing dictionary for Oniguruma by Mark Griffin +"\\o{34}" +"\\123" +"\\x{40}" +"\\C-" +"\\M-\\C-" +"\\X" +"\\p{" +"\\p{^" +"}" +"]" +"]" +")" +")" +"\\n" +"\\r" +"\\R" +"\\W" +"\\w" +"\\s" +"\\S" +"\\d" +"\\O" +"\\X" +"\\b" +"\\y" +"\\Y" +"\\A" +"\\z" +"\\K" +"\\G" +"\\p{Print}" +"\\p{ASCII}" +"\\p{Alnum}" +"{0,2}" +"{3,}" +"{,3}" +"{5}" +"{4,2}" +"??" +"*?" +"+?" +"*+" +"{1,3}+" +"(?>" +"\\B" +"(?y{" +"[abcd1-9]" +"[\\w]" +"[\\W]" +"[\\s]" +"[\\S]" +"[\\w\\d" +"[\\p{Alphabetic}" +"[\\x{03}" +"[a-w&&" +"[^" +"[:graph:]" +"[^:cntrl:]" +"(?i:" +"(?i)" +"(?m:" +"(?x:" +"(?W:" +"(?y-:" +"(?y{w}:" +"(?P:" +"(?#" +"(?:" +"(?=" +"(?!" +"(?<=" +"(?<!" +"(?>" +"(?<name>" +"(?{" +"(?{....}[x])" +"(?{.}[x]>)" +"(?{{{.}}})" +"(?~" +"(?~a)" +"(?~|a|.*)" +"(?~|(?:a|b))" +"(?~|)" +"(?(.) |.)" +"(?('-n'))" +"(?(n+0))" +"(?(n+1))" +"(?(n-1))" +"(?(<name+0>))" +"(?(<name+1>))" +"(?(<name-1>))" +"(*COUNT[tag]{X})" +"\\1" +"\\2" +"\\k<name>" +"\\k<1>" +"\\k<2>" +"\\k<-1>" +"\\k<-2>" +"\\k<name+0>" +"\\k<name+1>" +"\\k<name-1>" +"\\g<-1>" +"\\g<name>" +"name" +"(?<name>a|b\\g<name>c)" +"(?-i:\\g<name>)" +"\\N{name}" +"\\p{Katakana}" +"\\p{Emoji}" diff --git a/harnesses/deluxe-encode-harness.c b/harnesses/deluxe-encode-harness.c new file mode 100644 index 0000000..aabe916 --- /dev/null +++ b/harnesses/deluxe-encode-harness.c @@ -0,0 +1,204 @@ +/* + * deluxe-encode-harness.c + * contributed by Mark Griffin + */ +#include <stdio.h> +#include "oniguruma.h" + +#include <stdlib.h> +#include <string.h> + +#define DEFAULT_LIMIT 120 +typedef unsigned char uint8_t; + +static int +search(regex_t* reg, unsigned char* str, unsigned char* end) +{ + int r; + unsigned char *start, *range; + OnigRegion *region; + + region = onig_region_new(); + + start = str; + range = end; + r = onig_search(reg, str, end, start, range, region, ONIG_OPTION_NONE); + if (r >= 0) { + int i; + + fprintf(stdout, "match at %d (%s)\n", r, + ONIGENC_NAME(onig_get_encoding(reg))); + for (i = 0; i < region->num_regs; i++) { + fprintf(stdout, "%d: (%d-%d)\n", i, region->beg[i], region->end[i]); + } + } + else if (r == ONIG_MISMATCH) { + fprintf(stdout, "search fail (%s)\n", + ONIGENC_NAME(onig_get_encoding(reg))); + } + else { /* error */ + char s[ONIG_MAX_ERROR_MESSAGE_LEN]; + onig_error_code_to_str((UChar* )s, r); + fprintf(stdout, "ERROR: %s\n", s); + fprintf(stdout, " (%s)\n", ONIGENC_NAME(onig_get_encoding(reg))); + onig_region_free(region, 1 /* 1:free self, 0:free contents only */); + return -1; + } + + onig_region_free(region, 1 /* 1:free self, 0:free contents only */); + return 0; +} + +static OnigCaseFoldType CF = ONIGENC_CASE_FOLD_MIN; + +static int +exec_deluxe(OnigEncoding pattern_enc, OnigEncoding str_enc, + OnigOptionType options, char* apattern, char* apattern_end, + char* astr, char* astr_end) +{ + int r; + regex_t* reg; + OnigCompileInfo ci; + OnigErrorInfo einfo; + UChar* pattern = (UChar* )apattern; + UChar* str = (UChar* )astr; + UChar* pattern_end = (UChar* )apattern_end; + unsigned char* end = (unsigned char* )astr_end; + + onig_initialize(&str_enc, 1); + onig_set_retry_limit_in_match(DEFAULT_LIMIT); + onig_set_parse_depth_limit(DEFAULT_LIMIT); + + ci.num_of_elements = 5; + ci.pattern_enc = pattern_enc; + ci.target_enc = str_enc; + ci.syntax = ONIG_SYNTAX_DEFAULT; + ci.option = options; + ci.case_fold_flag = CF; + + r = onig_new_deluxe(®, pattern, pattern_end, &ci, &einfo); + if (r != ONIG_NORMAL) { + char s[ONIG_MAX_ERROR_MESSAGE_LEN]; + onig_error_code_to_str((UChar* )s, r, &einfo); + fprintf(stdout, "ERROR: %s\n", s); + onig_end(); + return -1; + } + + if (onigenc_is_valid_mbc_string(str_enc, str, end) != 0) { + r = search(reg, str, end); + } + + onig_free(reg); + onig_end(); + return 0; +} + +#define PATTERN_SIZE 48 +#define NUM_CONTROL_BYTES 1 +#define MIN_STR_SIZE 2 +int LLVMFuzzerTestOneInput(const uint8_t * Data, size_t Size) +{ + int r; + size_t remaining_size; + unsigned char *data; + unsigned char pat_encoding_choice; + unsigned char str_encoding_choice; + unsigned char *pattern; + unsigned char *str; + unsigned char *pattern_end; + unsigned char *str_end; + unsigned int num_encodings; + OnigEncodingType *pattern_enc; + OnigEncodingType *str_enc; + + OnigEncodingType *encodings[] = { + ONIG_ENCODING_ASCII, + ONIG_ENCODING_ISO_8859_1, + ONIG_ENCODING_ISO_8859_2, + ONIG_ENCODING_ISO_8859_3, + ONIG_ENCODING_ISO_8859_4, + ONIG_ENCODING_ISO_8859_5, + ONIG_ENCODING_ISO_8859_6, + ONIG_ENCODING_ISO_8859_7, + ONIG_ENCODING_ISO_8859_8, + ONIG_ENCODING_ISO_8859_9, + ONIG_ENCODING_ISO_8859_10, + ONIG_ENCODING_ISO_8859_11, + ONIG_ENCODING_ISO_8859_13, + ONIG_ENCODING_ISO_8859_14, + ONIG_ENCODING_ISO_8859_15, + ONIG_ENCODING_ISO_8859_16, + ONIG_ENCODING_UTF8, + ONIG_ENCODING_UTF16_BE, + ONIG_ENCODING_UTF16_LE, + ONIG_ENCODING_UTF32_BE, + ONIG_ENCODING_UTF32_LE, + ONIG_ENCODING_EUC_JP, + ONIG_ENCODING_EUC_TW, + ONIG_ENCODING_EUC_KR, + ONIG_ENCODING_EUC_CN, + ONIG_ENCODING_SJIS, + //ONIG_ENCODING_KOI8, + ONIG_ENCODING_KOI8_R, + ONIG_ENCODING_CP1251, + ONIG_ENCODING_BIG5, + ONIG_ENCODING_GB18030, + }; + + if (Size <= (NUM_CONTROL_BYTES + PATTERN_SIZE + MIN_STR_SIZE)) + return 0; + if (Size > 0x1000) + return 0; + + remaining_size = Size; + data = (unsigned char *)(Data); + + // pull off bytes to switch off + pat_encoding_choice = data[0]; + data++; + remaining_size--; + str_encoding_choice = data[0]; + data++; + remaining_size--; + + // copy first PATTERN_SIZE bytes off to be the pattern + pattern = (unsigned char *)malloc(PATTERN_SIZE); + memcpy(pattern, data, PATTERN_SIZE); + pattern_end = pattern + PATTERN_SIZE; + data += PATTERN_SIZE; + remaining_size -= PATTERN_SIZE; + + str = (unsigned char*)malloc(remaining_size); + memcpy(str, data, remaining_size); + str_end = str + remaining_size; + + num_encodings = sizeof(encodings) / sizeof(encodings[0]); + pattern_enc = encodings[pat_encoding_choice % num_encodings]; + str_enc = encodings[str_encoding_choice % num_encodings]; + + r = exec_deluxe(pattern_enc, str_enc, ONIG_OPTION_NONE, (char *)pattern, (char *)pattern_end, (char *)str, (char *)str_end); + + free(pattern); + free(str); + + return r; +} + + +#ifdef WITH_READ_MAIN + +#include <unistd.h> + +extern int main(int argc, char* argv[]) +{ + size_t n; + uint8_t Data[10000]; + + n = read(0, Data, sizeof(Data)); + fprintf(stdout, "n: %ld\n", n); + LLVMFuzzerTestOneInput(Data, n); + + return 0; +} +#endif /* WITH_READ_MAIN */ diff --git a/harnesses/dict_conv.py b/harnesses/dict_conv.py new file mode 100644 index 0000000..f721293 --- /dev/null +++ b/harnesses/dict_conv.py @@ -0,0 +1,72 @@ +# -*- coding: utf-8 -*- +# dict_conv.py (Python3 script) + +import sys + +ENC_UTF16_BE = 1 +ENC_UTF16_LE = 2 + +def add_char(enc, s, c): + if enc == ENC_UTF16_BE: + s += "\\x00" + + s += c + if enc == ENC_UTF16_LE: + s += "\\x00" + + return s + +def conv(enc, s): + n = len(s) + r = "" + i = 0 + while i < n: + c = s[i] + if c == '\\': + c = s[i+1] + if c == '\\' or c == '"': + r = add_char(enc, r, "\\" + c) + i += 2 + continue + else: + raise("Unknown escape {0}".format(s)) + + r = add_char(enc, r, c) + i += 1 + + return r + +def main(enc): + print("# This file was generated by dict_conv.py.") + for line in sys.stdin: + s = line.strip() + if s[0] == '#': + print(s) + continue + + if s[0] == '"' and s[-1] == '"': + s = conv(enc, s[1:-1]) + print("\"{0}\"".format(s)) + else: + raise("Invalid format {0}".format(s)) + +def usage(argv): + raise RuntimeError("Usage: python {0} utf16_be/utf16_le".format(argv[0])) + + +if __name__ == "__main__": + argv = sys.argv + argc = len(argv) + + if argc >= 2: + s = argv[1] + if s == 'utf16_be': + enc = ENC_UTF16_BE + elif s == 'utf16_le': + enc = ENC_UTF16_LE + else: + usage(argv) + else: + usage(argv) + + main(enc) diff --git a/harnesses/encode-harness.c b/harnesses/encode-harness.c new file mode 100644 index 0000000..5db0512 --- /dev/null +++ b/harnesses/encode-harness.c @@ -0,0 +1,365 @@ +/* + * encode-harness.c + * contributed by Mark Griffin + */ +#include <stdio.h> +#include <unistd.h> +#include <stdlib.h> +#include <string.h> +#include <sys/types.h> +#include <sys/stat.h> +#include <fcntl.h> +#include <time.h> + +#include "oniguruma.h" + + +//#define PARSE_DEPTH_LIMIT 120 +#define RETRY_LIMIT 3500 + +typedef unsigned char uint8_t; + +static int +search(regex_t* reg, unsigned char* str, unsigned char* end) +{ + int r; + unsigned char *start, *range; + OnigRegion *region; + + region = onig_region_new(); + + start = str; + range = end; + r = onig_search(reg, str, end, start, range, region, ONIG_OPTION_NONE); + if (r >= 0) { +#ifdef WITH_READ_MAIN + int i; + + fprintf(stdout, "match at %d (%s)\n", r, + ONIGENC_NAME(onig_get_encoding(reg))); + for (i = 0; i < region->num_regs; i++) { + fprintf(stdout, "%d: (%d-%d)\n", i, region->beg[i], region->end[i]); + } +#endif + } + else if (r == ONIG_MISMATCH) { +#ifdef WITH_READ_MAIN + fprintf(stdout, "search fail (%s)\n", + ONIGENC_NAME(onig_get_encoding(reg))); +#endif + } + else { /* error */ +#ifdef WITH_READ_MAIN + char s[ONIG_MAX_ERROR_MESSAGE_LEN]; + + onig_error_code_to_str((UChar* )s, r); + fprintf(stdout, "ERROR: %s\n", s); + fprintf(stdout, " (%s)\n", ONIGENC_NAME(onig_get_encoding(reg))); +#endif + onig_region_free(region, 1 /* 1:free self, 0:free contents only */); + + if (r == ONIGERR_STACK_BUG || + r == ONIGERR_UNDEFINED_BYTECODE || + r == ONIGERR_UNEXPECTED_BYTECODE) + return -2; + + return -1; + } + + onig_region_free(region, 1 /* 1:free self, 0:free contents only */); + return 0; +} + +static long INPUT_COUNT; +static long EXEC_COUNT; +static long EXEC_COUNT_INTERVAL; +static long REGEX_SUCCESS_COUNT; +static long VALID_STRING_COUNT; + +static int +exec(OnigEncoding enc, OnigOptionType options, OnigSyntaxType* syntax, + char* apattern, char* apattern_end, char* astr, UChar* end) +{ + int r; + regex_t* reg; + OnigErrorInfo einfo; + UChar* pattern = (UChar* )apattern; + UChar* str = (UChar* )astr; + UChar* pattern_end = (UChar* )apattern_end; + + EXEC_COUNT++; + EXEC_COUNT_INTERVAL++; + + onig_initialize(&enc, 1); + onig_set_retry_limit_in_match(RETRY_LIMIT); + //onig_set_parse_depth_limit(PARSE_DEPTH_LIMIT); + + r = onig_new(®, pattern, pattern_end, + options, enc, syntax, &einfo); + if (r != ONIG_NORMAL) { + char s[ONIG_MAX_ERROR_MESSAGE_LEN]; + onig_error_code_to_str((UChar* )s, r, &einfo); +#ifdef WITH_READ_MAIN + fprintf(stdout, "ERROR: %s\n", s); +#endif + onig_end(); + + if (r == ONIGERR_PARSER_BUG || + r == ONIGERR_STACK_BUG || + r == ONIGERR_UNDEFINED_BYTECODE || + r == ONIGERR_UNEXPECTED_BYTECODE) { + return -2; + } + else + return -1; + } + REGEX_SUCCESS_COUNT++; + + r = search(reg, pattern, pattern_end); + if (r == -2) return -2; + + if (onigenc_is_valid_mbc_string(enc, str, end) != 0) { + VALID_STRING_COUNT++; + r = search(reg, str, end); + if (r == -2) return -2; + } + + onig_free(reg); + onig_end(); + return 0; +} + +#if 0 +static void +output_data(char* path, const uint8_t * data, size_t size) +{ + int fd; + ssize_t n; + + fd = open(path, O_CREAT|O_RDWR, S_IRUSR|S_IRGRP|S_IROTH); + if (fd == -1) { + fprintf(stderr, "ERROR: output_data(): can't open(%s)\n", path); + return ; + } + + n = write(fd, (const void* )data, size); + if (n != size) { + fprintf(stderr, "ERROR: output_data(): n: %ld, size: %ld\n", n, size); + } + close(fd); +} +#endif + + +static int +alloc_exec(OnigEncoding enc, OnigOptionType options, OnigSyntaxType* syntax, + int pattern_size, size_t remaining_size, unsigned char *data) +{ + int r; + unsigned char *pattern_end; + unsigned char *str_null_end; + + // copy first PATTERN_SIZE bytes off to be the pattern + unsigned char *pattern = (unsigned char *)malloc(pattern_size != 0 ? pattern_size : 1); + memcpy(pattern, data, pattern_size); + pattern_end = pattern + pattern_size; + data += pattern_size; + remaining_size -= pattern_size; + +#if defined(UTF16_BE) || defined(UTF16_LE) + if (remaining_size % 2 == 1) remaining_size--; +#endif + + unsigned char *str = (unsigned char*)malloc(remaining_size != 0 ? remaining_size : 1); + memcpy(str, data, remaining_size); + str_null_end = str + remaining_size; + + r = exec(enc, options, syntax, + (char *)pattern, (char *)pattern_end, + (char *)str, str_null_end); + + free(pattern); + free(str); + return r; +} + + +#define EXEC_PRINT_INTERVAL 10000000 +#define MAX_PATTERN_SIZE 150 + +#ifdef SYNTAX_TEST +#define NUM_CONTROL_BYTES 3 +#else +#define NUM_CONTROL_BYTES 2 +#endif + +int LLVMFuzzerTestOneInput(const uint8_t * Data, size_t Size) +{ +#if !defined(UTF16_BE) && !defined(UTF16_LE) + static OnigEncoding encodings[] = { + ONIG_ENCODING_UTF8, + ONIG_ENCODING_UTF8, + ONIG_ENCODING_UTF8, + ONIG_ENCODING_SJIS, + //ONIG_ENCODING_EUC_JP, + ONIG_ENCODING_ISO_8859_1, + ONIG_ENCODING_BIG5, + ONIG_ENCODING_GB18030, + ONIG_ENCODING_EUC_TW + }; + unsigned char encoding_choice; +#endif + +#ifdef SYNTAX_TEST + static OnigSyntaxType* syntaxes[] = { + ONIG_SYNTAX_POSIX_EXTENDED, + ONIG_SYNTAX_EMACS, + ONIG_SYNTAX_GREP, + ONIG_SYNTAX_GNU_REGEX, + ONIG_SYNTAX_JAVA, + ONIG_SYNTAX_PERL_NG, + ONIG_SYNTAX_ONIGURUMA + }; + unsigned char syntax_choice; +#endif + + int r; + int pattern_size; + size_t remaining_size; + unsigned char *data; + unsigned char options_choice; + OnigOptionType options; + OnigEncoding enc; + OnigSyntaxType* syntax; + + INPUT_COUNT++; + if (Size < NUM_CONTROL_BYTES) return 0; + + remaining_size = Size; + data = (unsigned char* )(Data); + +#ifdef UTF16_BE + enc = ONIG_ENCODING_UTF16_BE; +#else +#ifdef UTF16_LE + enc = ONIG_ENCODING_UTF16_LE; +#else + encoding_choice = data[0]; + data++; + remaining_size--; + + int num_encodings = sizeof(encodings)/sizeof(encodings[0]); + enc = encodings[encoding_choice % num_encodings]; +#endif +#endif + +#ifdef SYNTAX_TEST + syntax_choice = data[0]; + data++; + remaining_size--; + + int num_syntaxes = sizeof(syntaxes)/sizeof(syntaxes[0]); + syntax = syntaxes[syntax_choice % num_syntaxes]; +#else + syntax = ONIG_SYNTAX_DEFAULT; +#endif + + options_choice = data[0]; + options = (options_choice % 2 == 0) ? ONIG_OPTION_NONE : ONIG_OPTION_IGNORECASE; + data++; + remaining_size--; + +#ifdef WITH_READ_MAIN +#ifdef SYNTAX_TEST + fprintf(stdout, "enc: %s, syntax: %d, options: %u\n", + ONIGENC_NAME(enc), (int )(syntax_choice % num_syntaxes), options); +#else + fprintf(stdout, "enc: %s, options: %u\n", ONIGENC_NAME(enc), options); +#endif +#endif + +#ifdef WITH_READ_MAIN + int max_pattern_size; + + if (remaining_size == 0) + max_pattern_size = 0; + else { + max_pattern_size = remaining_size - 1; + if (max_pattern_size > MAX_PATTERN_SIZE) + max_pattern_size = MAX_PATTERN_SIZE; + +#if defined(UTF16_BE) || defined(UTF16_LE) + if (max_pattern_size % 2 == 1) max_pattern_size--; +#endif + } + + for (pattern_size = 0; pattern_size <= max_pattern_size; ) { + fprintf(stdout, "pattern_size: %d\n", pattern_size); + r = alloc_exec(enc, options, syntax, pattern_size, remaining_size, data); + if (r == -2) { + //output_data("parser-bug", Data, Size); + exit(-2); + } + +#if defined(UTF16_BE) || defined(UTF16_LE) + pattern_size += 2; +#else + pattern_size++; +#endif + } + +#else /* WITH_READ_MAIN */ + + if (remaining_size == 0) + pattern_size = 0; + else { + pattern_size = INPUT_COUNT % remaining_size; + if (pattern_size > MAX_PATTERN_SIZE) + pattern_size = MAX_PATTERN_SIZE; + +#if defined(UTF16_BE) || defined(UTF16_LE) + if (pattern_size % 2 == 1) pattern_size--; +#endif + } + + r = alloc_exec(enc, options, syntax, pattern_size, remaining_size, data); + if (r == -2) { + //output_data("parser-bug", Data, Size); + exit(-2); + } +#endif /* else WITH_READ_MAIN */ + + if (EXEC_COUNT_INTERVAL == EXEC_PRINT_INTERVAL) { + char d[64]; + time_t t; + float fexec, freg, fvalid; + + t = time(NULL); + strftime(d, sizeof(d), "%m/%d %H:%M:%S", localtime(&t)); + + fexec = (float )EXEC_COUNT / INPUT_COUNT; + freg = (float )REGEX_SUCCESS_COUNT / INPUT_COUNT; + fvalid = (float )VALID_STRING_COUNT / INPUT_COUNT; + + fprintf(stdout, "%s: %ld: EXEC:%.2f, REG:%.2f, VALID:%.2f\n", + d, EXEC_COUNT, fexec, freg, fvalid); + + EXEC_COUNT_INTERVAL = 0; + } + return r; +} + +#ifdef WITH_READ_MAIN + +extern int main(int argc, char* argv[]) +{ + size_t n; + uint8_t Data[10000]; + + n = read(0, Data, sizeof(Data)); + fprintf(stdout, "n: %ld\n", n); + LLVMFuzzerTestOneInput(Data, n); + + return 0; +} +#endif /* WITH_READ_MAIN */ diff --git a/harnesses/libfuzzer-onig.cpp b/harnesses/libfuzzer-onig.cpp new file mode 100644 index 0000000..526c826 --- /dev/null +++ b/harnesses/libfuzzer-onig.cpp @@ -0,0 +1,45 @@ +/* libfuzzer test code for oniguruma + * author: Hanno Böck, license: CC0/public domain + +Usage: +* compile oniguruma with something like + ./configure CC=clang LD=clang CFLAGS="-fsanitize-coverage=edge -fsanitize=address" \ + LDFLAGS="-fsanitize-coverage=edge -fsanitize=address" +* Compile libfuzzer stub and link against static libonig.a and libFuzzer.a: + clang++ libfuzzer-onig.cpp src/.libs/libonig.a libFuzzer.a -o libfuzzer-onig \ + -fsanitize-coverage=edge -fsanitize=address +* Put sample patterns in directory "in/" +* Run + ./libfuzzer-onig in + +Consult libfuzzer docs for further details and how to create libFuzzer.a: +http://llvm.org/docs/LibFuzzer.html + + */ +#include <stdint.h> +#include <string.h> +#include <oniguruma.h> + +extern "C" int LLVMFuzzerTestOneInput(const uint8_t * Data, size_t Size) +{ + regex_t *reg; + OnigEncoding enc; + + enc = ONIG_ENCODING_UTF8; + +#ifdef FULL_TEST + onig_initialize(&enc, 1); + onig_set_retry_limit_in_match(120); + onig_set_parse_depth_limit(120); +#endif + + if (onig_new(®, Data, Data + Size, ONIG_OPTION_DEFAULT, enc, + ONIG_SYNTAX_DEFAULT, 0) == 0) + onig_free(reg); + +#ifdef FULL_TEST + onig_end(); +#endif + + return 0; +} diff --git a/harnesses/makefile b/harnesses/makefile new file mode 100644 index 0000000..dfd84de --- /dev/null +++ b/harnesses/makefile @@ -0,0 +1,69 @@ +# makefile for harness +SRC = ../src +CFLAGS = -I$(SRC) -Wall -g -fsanitize=fuzzer,address -fno-omit-frame-pointer +CFLAGS_M = -I$(SRC) -Wall -g -fsanitize=fuzzer-no-link,address -fno-omit-frame-pointer -DWITH_READ_MAIN +ONIG_LIB = $(SRC)/.libs/libonig.a +LIBS = $(ONIG_LIB) + +TARGETS = encode-libfuzzer syntax-libfuzzer \ + utf16-be-libfuzzer utf16-le-libfuzzer main-encode main-syntax \ + main-utf16-be main-utf16-le main-regset regset-libfuzzer + +OTHER_TARGETS = libfuzzer-onig libfuzzer-onig-full \ + deluxe-encode-libfuzzer main-deluxe-encode + + +default: $(TARGETS) + +encode-libfuzzer: encode-harness.c $(ONIG_LIB) + clang $(CFLAGS) $< $(LIBS) -o $@ + +syntax-libfuzzer: encode-harness.c $(ONIG_LIB) + clang -DSYNTAX_TEST $(CFLAGS) $< $(LIBS) -o $@ + +deluxe-encode-libfuzzer: deluxe-encode-harness.c $(ONIG_LIB) + clang $(CFLAGS) $< $(LIBS) -o $@ + +utf16-be-libfuzzer: encode-harness.c $(ONIG_LIB) + clang -DUTF16_BE $(CFLAGS) $< $(LIBS) -o $@ + +utf16-le-libfuzzer: encode-harness.c $(ONIG_LIB) + clang -DUTF16_LE $(CFLAGS) $< $(LIBS) -o $@ + +regset-libfuzzer: regset-harness.c $(ONIG_LIB) + clang $(CFLAGS) $< $(LIBS) -o $@ + +main-encode: encode-harness.c $(ONIG_LIB) + clang $(CFLAGS_M) $< $(LIBS) -o $@ + +main-syntax: encode-harness.c $(ONIG_LIB) + clang -DSYNTAX_TEST $(CFLAGS_M) $< $(LIBS) -o $@ + +main-deluxe-encode: deluxe-encode-harness.c $(ONIG_LIB) + clang $(CFLAGS_M) $< $(LIBS) -o $@ + +main-utf16-be: encode-harness.c $(ONIG_LIB) + clang -DUTF16_BE $(CFLAGS_M) $< $(LIBS) -o $@ + +main-utf16-le: encode-harness.c $(ONIG_LIB) + clang -DUTF16_LE $(CFLAGS_M) $< $(LIBS) -o $@ + +main-regset: regset-harness.c $(ONIG_LIB) + clang $(CFLAGS_M) $< $(LIBS) -o $@ + +libfuzzer-onig: libfuzzer-onig.cpp $(ONIG_LIB) + clang++ $(CFLAGS) $< $(LIBS) -o $@ + +libfuzzer-onig-full: libfuzzer-onig.cpp $(ONIG_LIB) + clang++ -DFULL_TEST $(CFLAGS) $< $(LIBS) -o $@ + + +$(ONIG_LIB): + cd ..; make clean + #cd ..; autoreconf -vfi + cd ..; ./configure CC=clang LD=clang CFLAGS="-g -fsanitize=address -fno-omit-frame-pointer" LDFLAGS="-g -fsanitize=address -fno-omit-frame-pointer" + cd ..; make -j4 + + +clean: + rm -f $(TARGETS) $(OTHER_TARGETS) diff --git a/harnesses/regset-harness.c b/harnesses/regset-harness.c new file mode 100644 index 0000000..b4b7e20 --- /dev/null +++ b/harnesses/regset-harness.c @@ -0,0 +1,379 @@ +/* + * regset-harness.c + * Copyright (c) 2019 K.Kosako + */ +#include <stdio.h> +#include <unistd.h> +#include <stdlib.h> +#include <string.h> +#include <sys/types.h> +#include <sys/stat.h> +#include <fcntl.h> +#include <time.h> + +#include "oniguruma.h" + + +#define RETRY_LIMIT 500 + +#ifdef WITH_READ_MAIN +//#define CHECK_EACH_REGEX_SEARCH_TIME +#endif + +#define MAX_REG_NUM 256 + +typedef unsigned char uint8_t; +static OnigEncoding ENC; + +#ifdef CHECK_EACH_REGEX_SEARCH_TIME +static double +get_sec(struct timespec* ts, struct timespec* te) +{ + double t; + + t = (te->tv_sec - ts->tv_sec) + + (double )(te->tv_nsec - ts->tv_nsec) / 1000000000.0; + return t; +} + +static int +check_each_regex_search_time(OnigRegSet* set, unsigned char* str, unsigned char* end) +{ + int n; + int i; + int r; + OnigRegion* region; + + n = onig_regset_number_of_regex(set); + region = onig_region_new(); + + for (i = 0; i < n; i++) { + regex_t* reg; + unsigned char* start; + unsigned char* range; + struct timespec ts1, ts2; + double t; + + reg = onig_regset_get_regex(set, i); + start = str; + range = end; + + clock_gettime(CLOCK_PROCESS_CPUTIME_ID, &ts1); + + r = onig_search(reg, str, end, start, range, region, ONIG_OPTION_NONE); + + clock_gettime(CLOCK_PROCESS_CPUTIME_ID, &ts2); + t = get_sec(&ts1, &ts2); + + fprintf(stdout, "regex search time %d: %6.2lfmsec.\n", i, t * 1000.0); + } + + onig_region_free(region, 1); + return 0; +} +#endif + +static int +search(OnigRegSet* set, OnigRegSetLead lead, unsigned char* str, unsigned char* end) +{ + int r; + int match_pos; + unsigned char *start, *range; + + start = str; + range = end; + r = onig_regset_search(set, str, end, start, range, lead, + ONIG_OPTION_NONE, &match_pos); + if (r >= 0) { +#ifdef WITH_READ_MAIN + int i; + int match_index; + OnigRegion* region; + + match_index = r; + fprintf(stdout, "match reg index: %d, pos: %d (%s)\n", + match_index, match_pos, ONIGENC_NAME(ENC)); + region = onig_regset_get_region(set, match_index); + if (region == 0) { + fprintf(stdout, "ERROR: can't get region.\n"); + return -1; + } + + for (i = 0; i < region->num_regs; i++) { + fprintf(stdout, "%d: (%d-%d)\n", i, region->beg[i], region->end[i]); + } +#endif + } + else if (r == ONIG_MISMATCH) { +#ifdef WITH_READ_MAIN + fprintf(stdout, "search fail (%s)\n", ONIGENC_NAME(ENC)); +#endif + } + else { /* error */ +#ifdef WITH_READ_MAIN + char s[ONIG_MAX_ERROR_MESSAGE_LEN]; + + onig_error_code_to_str((UChar* )s, r); + fprintf(stdout, "ERROR: %s\n", s); + fprintf(stdout, " (%s)\n", ONIGENC_NAME(ENC)); +#endif + return -1; + } + + return 0; +} + +static long INPUT_COUNT; +static long EXEC_COUNT; +static long EXEC_COUNT_INTERVAL; +static long REGEX_SUCCESS_COUNT; +static long VALID_STRING_COUNT; + +static int +exec(OnigEncoding enc, int reg_num, int init_reg_num, + UChar* pat[], UChar* pat_end[], + OnigRegSetLead lead, UChar* str, UChar* end) +{ + int r; + int i, j; + OnigRegSet* set; + regex_t* reg; + OnigOptionType options; + OnigErrorInfo einfo; + regex_t* regs[MAX_REG_NUM]; + + EXEC_COUNT++; + EXEC_COUNT_INTERVAL++; + + options = (EXEC_COUNT % 4 == 0) ? ONIG_OPTION_IGNORECASE : ONIG_OPTION_NONE; + + onig_initialize(&enc, 1); + onig_set_retry_limit_in_match(RETRY_LIMIT); + + for (i = 0; i < init_reg_num; i++) { + r = onig_new(®s[i], pat[i], pat_end[i], options, ENC, + ONIG_SYNTAX_DEFAULT, &einfo); + if (r != 0) { +#ifdef WITH_READ_MAIN + char s[ONIG_MAX_ERROR_MESSAGE_LEN]; + + onig_error_code_to_str((UChar* )s, r, &einfo); + fprintf(stdout, "ERROR: index: %d, %s\n", i, s); +#endif + + for (j = 0; j < i; j++) onig_free(regs[j]); + + onig_end(); + + if (r == ONIGERR_PARSER_BUG || + r == ONIGERR_STACK_BUG || + r == ONIGERR_UNDEFINED_BYTECODE || + r == ONIGERR_UNEXPECTED_BYTECODE) { + return -2; + } + else + return -1; + } + } + + r = onig_regset_new(&set, init_reg_num, regs); + if (r != 0) { + for (i = 0; i < init_reg_num; i++) { + onig_free(regs[i]); + } + onig_end(); + return -1; + } + + for (i = init_reg_num; i < reg_num; i++) { + r = onig_new(®, pat[i], pat_end[i], options, ENC, + ONIG_SYNTAX_DEFAULT, &einfo); + if (r != 0) { +#ifdef WITH_READ_MAIN + char s[ONIG_MAX_ERROR_MESSAGE_LEN]; + + onig_error_code_to_str((UChar* )s, r, &einfo); + fprintf(stdout, "ERROR: index: %d, %s\n", i, s); +#endif + onig_regset_free(set); + onig_end(); + + if (r == ONIGERR_PARSER_BUG || + r == ONIGERR_STACK_BUG || + r == ONIGERR_UNDEFINED_BYTECODE || + r == ONIGERR_UNEXPECTED_BYTECODE) { + return -2; + } + else + return -1; + } + + r = onig_regset_add(set, reg); + if (r != 0) { + onig_regset_free(set); + onig_end(); + fprintf(stdout, "ERROR: onig_regset_add(): %d\n", i); + return r; + } + } + + REGEX_SUCCESS_COUNT++; + + if (onigenc_is_valid_mbc_string(enc, str, end) != 0) { + VALID_STRING_COUNT++; + r = search(set, lead, str, end); +#ifdef CHECK_EACH_REGEX_SEARCH_TIME + r = check_each_regex_search_time(set, str, end); +#endif + } + + onig_regset_free(set); + onig_end(); + return 0; +} + +#define MAX_PATTERN_SIZE 30 +#define NUM_CONTROL_BYTES 3 + +#define EXEC_PRINT_INTERVAL 2000000 + +static int MaxRegNum; +static int MaxInitRegNum; + +extern int +LLVMFuzzerTestOneInput(const uint8_t * Data, size_t Size) +{ + int r, i; + int pattern_size; + unsigned char *str_null_end; + size_t remaining_size; + unsigned char *data; + unsigned int reg_num; + unsigned int init_reg_num; + unsigned char* pat[256]; + unsigned char* pat_end[256]; + int len; + unsigned int lead_num; + OnigRegSetLead lead; + + INPUT_COUNT++; + + if (Size < NUM_CONTROL_BYTES) return 0; + + remaining_size = Size; + data = (unsigned char* )(Data); + + reg_num = data[0]; + data++; + remaining_size--; + + init_reg_num = data[0]; + data++; + remaining_size--; + + lead_num = data[0]; + data++; + remaining_size--; + lead = (lead_num % 2 == 0 ? ONIG_REGSET_POSITION_LEAD : ONIG_REGSET_REGEX_LEAD); + + if (remaining_size < reg_num * 2) { + reg_num = reg_num % 15; // zero is OK. + } + + init_reg_num %= (reg_num + 1); + + if (MaxRegNum < reg_num) + MaxRegNum = reg_num; + + if (MaxInitRegNum < init_reg_num) + MaxInitRegNum = init_reg_num; + + if (reg_num == 0) + pattern_size = 1; + else + pattern_size = remaining_size / (reg_num * 2); + + if (pattern_size > MAX_PATTERN_SIZE) + pattern_size = MAX_PATTERN_SIZE; + + len = pattern_size * reg_num; + if (len == 0) len = 1; + + for (i = 0; i < reg_num; i++) { + pat[i] = (unsigned char* )malloc(pattern_size); + memcpy(pat[i], data, pattern_size); + pat_end[i] = pat[i] + pattern_size; + data += pattern_size; + remaining_size -= pattern_size; + } + + unsigned char *str = (unsigned char*)malloc(remaining_size != 0 ? remaining_size : 1); + memcpy(str, data, remaining_size); + str_null_end = str + remaining_size; + +#ifdef WITH_READ_MAIN + fprintf(stdout, "reg num: %d, pattern size: %d, lead: %s\n", + reg_num, pattern_size, + lead == ONIG_REGSET_POSITION_LEAD ? "position" : "regex"); + + if (reg_num != 0) { + unsigned char* p; + i = 0; + p = pat[0]; + while (p < pat_end[0]) { + fprintf(stdout, " 0x%02x", (int )*p++); + i++; + if (i % 8 == 0) fprintf(stdout, "\n"); + } + fprintf(stdout, "\n"); + } +#endif + + ENC = ONIG_ENCODING_UTF8; + + r = exec(ENC, reg_num, init_reg_num, pat, pat_end, lead, str, str_null_end); + + for (i = 0; i < reg_num; i++) { + free(pat[i]); + } + free(str); + + if (r == -2) { + //output_data("parser-bug", Data, Size); + exit(-2); + } + + if (EXEC_COUNT_INTERVAL == EXEC_PRINT_INTERVAL) { + char d[64]; + time_t t; + float fexec, freg, fvalid; + + t = time(NULL); + strftime(d, sizeof(d), "%m/%d %H:%M:%S", localtime(&t)); + + fexec = (float )EXEC_COUNT / INPUT_COUNT; + freg = (float )REGEX_SUCCESS_COUNT / INPUT_COUNT; + fvalid = (float )VALID_STRING_COUNT / INPUT_COUNT; + + fprintf(stdout, "%s: %ld: EXEC:%.2f, REG:%.2f, VALID:%.2f MAX REG:%d-%d\n", + d, EXEC_COUNT, fexec, freg, fvalid, MaxRegNum, MaxInitRegNum); + + EXEC_COUNT_INTERVAL = 0; + } + return r; +} + +#ifdef WITH_READ_MAIN + +extern int main(int argc, char* argv[]) +{ + size_t n; + uint8_t Data[10000]; + + n = read(0, Data, sizeof(Data)); + fprintf(stdout, "n: %ld\n", n); + LLVMFuzzerTestOneInput(Data, n); + + return 0; +} +#endif /* WITH_READ_MAIN */ |