New upstream version 6.9.5upstream/6.9.5

1 files changed, 206 insertions, 0 deletions

diff --git a/harnesses/deluxe.c b/harnesses/deluxe.c
new file mode 100644
index 0000000..5441de9
--- /dev/null
+++ b/harnesses/deluxe.c
@@ -0,0 +1,206 @@
+/*
+ * deluxe.c
+ * contributed by Mark Griffin
+ */
+#include <stdio.h>
+#include "oniguruma.h"
+
+#include <stdlib.h>
+#include <string.h>
+
+#define RETRY_LIMIT   10000
+#define DEPTH_LIMIT      10
+
+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_search(RETRY_LIMIT);
+  onig_set_parse_depth_limit(DEPTH_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);
+  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 STANDALONE
+
+#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 /* STANDALONE */