cheng/pcre
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Add a call to pcre2_dfa_match() to the fuzzer driver.

Browse Source
This commit is contained in:
ph10 2017-05-20 14:28:11 +00:00
parent cfd8c7c56a
commit 58bd4aa3cc
1 changed files with 62 additions and 23 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

39
src/pcre2_fuzzsupport.c
View File

@ -19,6 +19,8 @@ Written by Philip Hazel, October 2016
#define MAX_MATCH_SIZE 1000 #define MAX_MATCH_SIZE 1000
#define DFA_WORKSPACE_COUNT 100
#define ALLOWED_COMPILE_OPTIONS \ #define ALLOWED_COMPILE_OPTIONS \
(PCRE2_ANCHORED|PCRE2_ALLOW_EMPTY_CLASS|PCRE2_ALT_BSUX|PCRE2_ALT_CIRCUMFLEX| \ (PCRE2_ANCHORED|PCRE2_ALLOW_EMPTY_CLASS|PCRE2_ALT_BSUX|PCRE2_ALT_CIRCUMFLEX| \
PCRE2_ALT_VERBNAMES|PCRE2_AUTO_CALLOUT|PCRE2_CASELESS|PCRE2_DOLLAR_ENDONLY| \ PCRE2_ALT_VERBNAMES|PCRE2_AUTO_CALLOUT|PCRE2_CASELESS|PCRE2_DOLLAR_ENDONLY| \
@ -59,6 +61,7 @@ uint32_t match_options;
pcre2_match_data *match_data = NULL; pcre2_match_data *match_data = NULL;
pcre2_match_context *match_context = NULL; pcre2_match_context *match_context = NULL;
size_t match_size; size_t match_size;
int dfa_workspace[DFA_WORKSPACE_COUNT];
int r1, r2; int r1, r2;
int i; int i;
@ -195,6 +198,42 @@ for (i = 0; i < 2; i++)
errorcode = pcre2_match(code, (PCRE2_SPTR)data, (PCRE2_SIZE)match_size, 0, errorcode = pcre2_match(code, (PCRE2_SPTR)data, (PCRE2_SIZE)match_size, 0,
match_options, match_data, match_context); match_options, match_data, match_context);
#ifdef STANDALONE
if (errorcode >= 0) printf("Match returned %d\n", errorcode); else
{
unsigned char buffer[256];
pcre2_get_error_message(errorcode, buffer, 256);
printf("Match failed: error %d: %s\n", errorcode, buffer);
}
#endif
match_options = 0; /* For second time */
}
/* Match with DFA twice, with and without options */
match_options = save_match_options & ~PCRE2_NO_JIT;
for (j = 0; j < 2; j++)
{
#ifdef STANDALONE
printf("DFA match options %.8x", match_options);
printf("%s%s%s%s%s%s%s%s%s\n",
((match_options & PCRE2_ANCHORED) != 0)? ",anchored" : "",
((match_options & PCRE2_ENDANCHORED) != 0)? ",endanchored" : "",
((match_options & PCRE2_NO_UTF_CHECK) != 0)? ",no_utf_check" : "",
((match_options & PCRE2_NOTBOL) != 0)? ",notbol" : "",
((match_options & PCRE2_NOTEMPTY) != 0)? ",notempty" : "",
((match_options & PCRE2_NOTEMPTY_ATSTART) != 0)? ",notempty_atstart" : "",
((match_options & PCRE2_NOTEOL) != 0)? ",noteol" : "",
((match_options & PCRE2_PARTIAL_HARD) != 0)? ",partial_hard" : "",
((match_options & PCRE2_PARTIAL_SOFT) != 0)? ",partial_soft" : "");
#endif
callout_count = 0;
errorcode = pcre2_dfa_match(code, (PCRE2_SPTR)data,
(PCRE2_SIZE)match_size, 0, match_options, match_data, match_context,
dfa_workspace, DFA_WORKSPACE_COUNT);
#ifdef STANDALONE #ifdef STANDALONE
if (errorcode >= 0) printf("Match returned %d\n", errorcode); else if (errorcode >= 0) printf("Match returned %d\n", errorcode); else
{ {