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Make the fuzzer a bit more useful by forcing 7-bit data into it.

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Getting valid UTF-8 sequences is quite unlikely, so we'd better just
convert data to 7 bits and make it extra likely for escape sequences to
occur.
This commit is contained in:
Ed Schouten 2009-09-26 15:00:42 +00:00
parent 4507f02e0e
commit a78f7fafc0
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=197519
1 changed files with 11 additions and 2 deletions
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13
sys/teken/teken_stress.c
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@ -92,13 +92,16 @@ stress_respond(void *s __unused, const void *buf __unused, size_t len __unused)
{
}
static const char replacement[] =
{ 0x1b, '[', '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', ';' };
int
main(int argc __unused, char *argv[] __unused)
{
teken_t t;
int rnd;
unsigned int iteration = 0;
char buf[2048];
unsigned int i, iteration = 0;
unsigned char buf[2048];
rnd = open("/dev/urandom", O_RDONLY);
if (rnd < 0) {
@ -114,6 +117,12 @@ main(int argc __unused, char *argv[] __unused)
exit(1);
}
for (i = 0; i < sizeof buf; i++) {
if (buf[i] >= 0x80)
buf[i] =
replacement[buf[i] % sizeof replacement];
}
teken_input(&t, buf, sizeof buf);
iteration++;