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-rw-r--r--harnesses/deluxe-encode-harness.c239
1 files changed, 239 insertions, 0 deletions
diff --git a/harnesses/deluxe-encode-harness.c b/harnesses/deluxe-encode-harness.c
new file mode 100644
index 0000000..e1f84a5
--- /dev/null
+++ b/harnesses/deluxe-encode-harness.c
@@ -0,0 +1,239 @@
+/*
+ * 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 int
+exec(OnigEncoding enc, OnigOptionType options,
+ char* apattern, char* apattern_end, char* astr, char* astr_end)
+{
+ int r;
+ regex_t* reg;
+ 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(&enc, 1);
+ onig_set_retry_limit_in_match(DEFAULT_LIMIT);
+ onig_set_parse_depth_limit(DEFAULT_LIMIT);
+
+ r = onig_new(&reg, pattern, pattern_end,
+ options, enc, ONIG_SYNTAX_DEFAULT, &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;
+ }
+
+ r = search(reg, str, end);
+
+ onig_free(reg);
+ onig_end();
+ 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(&reg, 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+4);
+ memset(pattern, 0, PATTERN_SIZE+4);
+ memcpy(pattern, data, PATTERN_SIZE);
+ pattern_end = pattern + PATTERN_SIZE;
+ data += PATTERN_SIZE;
+ remaining_size -= PATTERN_SIZE;
+
+ str = (unsigned char*)malloc(remaining_size+4);
+ memset(str, 0, remaining_size+4);
+ 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 */
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