STATIC uint8_t *
get_bignumval(uint8_t *buf, negotiation_parameter_t *par)
{
int val;
char c;
uint8_t *dp = buf;
par->val.sval = buf;
if (buf[0] == '0' && (buf[1] == 'x' || buf[1] == 'X')) {
buf += 2;
while ((c = *buf) != 0x0) {
buf++;
val = (hexdig(c) << 4) | hexdig(*buf);
if (val < 0) {
return NULL;
}
*dp++ = (uint8_t) val;
if (*buf) {
buf++;
}
}
buf++;
par->list_num = dp - par->val.sval;
} else if (buf[0] == '0' && (buf[1] == 'b' || buf[1] == 'B')) {
buf = base64_decode(&buf[2], par->val.sval, &par->list_num);
} else {
DEBOUT(("Ill-formatted large number <%s>\n", buf));
return NULL;
}
return buf;
}
int
main(int argc, char **argv)
{
if (argc != 3 || (nthreads = atoi(argv[1])) <= 0
|| strlen(argv[2]) != 16*2)
usage();
assert(nthreads > 0);
// Decode the MD5 hash from hex
unsigned char hash[16];
int i;
for (i = 0; i < 16; i++) {
int hi = hexdig(argv[2][i*2+0]);
int lo = hexdig(argv[2][i*2+1]);
if (hi < 0 || lo < 0)
usage();
hash[i] = (hi << 4) | lo;
}
// Search all strings of length 1, then of length 2, ...
int len;
for (len = 1; len < MAXLEN; len++) {
cprintf("Searching strings of length %d\n", len);
uint8_t str[len+1];
str[len] = 0; // Null terminate for printing match
memset(str, MINCHR, len);
if (psearch(str, len, hash)) {
printf("Match: '%s'\n", out);
exit(0);
}
}
cprintf("not found\n");
return 1;
}
STATIC uint8_t *
get_numval(uint8_t *buf, uint32_t *pval)
{
uint32_t val = 0;
char c;
if (buf[0] == '0' && (buf[1] == 'x' || buf[1] == 'X')) {
buf += 2;
while (*buf && *buf != '~') {
int n;
if ((n = hexdig(*buf++)) < 0)
return NULL;
val = (val << 4) | n;
}
} else
while (*buf && *buf != '~') {
c = *buf++;
if (!isdigit(c))
return NULL;
val = val * 10 + (c - '0');
}
*pval = val;
return buf + 1;
}
void my_log_data(char *mydata, int mylen) {
char obuf[65];
char *hdigs = "0123456789ABCDEF";
char *oo1, *oo2;
int i, v, x, z;
while(mylen > 0) {
oo1 = obuf;
oo2 = obuf+48;
z = mylen < 16 ? mylen : 16;
for (i=0; i<16; i++) {
if (v = (i<mylen))
x = *(mydata++);
*(oo1++) = v ? hexdig(x>>4) : '_';
*(oo1++) = v ? hexdig(x) : '_';
*(oo1++) = ' ';
*(oo2++) = v ? (x < ' ' || x > '~') ? '.' : x : '\0';
}
obuf[48+z] = '\n';
write(2, obuf, z+49);
mylen -= 16;
}
}
static char tohex(char c1, char c2)
{
char out = (hexdig(c1) << 4) | hexdig(c2);
return out;
}
