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/* radare - LGPL - Copyright 2007-2013 - pancake */
#include <r_util.h>
#include <r_print.h>
#include "../blob/version.c"
#define STDIN_BUFFER_SIZE 354096
static RNum *num;
static int help ();
static ut64 flags = 0;
static int use_stdin ();
static int rax (char *str, int len, int last);
static int format_output (char mode, const char *s) {
ut64 n = r_num_math (num, s);
const char *str = (char*) &n;
char strbits[65];
if (flags & 2) {
/* swap endian */
ut32 n2 = (n>>32)? 8:4;
r_mem_copyendian ((ut8*) str, (ut8*) str, n2, 0);
}
switch (mode) {
case 'I': printf ("%"PFMT64d"\n", n); break;
case '0': printf ("0x%"PFMT64x"\n", n); break;
case 'F': printf ("%ff\n", (float)(ut32)n); break;
case 'f': printf ("%.01lf\n", num->fvalue); break;
case 'O': printf ("%"PFMT64o"\n", n); break;
case 'B':
if (n) {
r_num_to_bits (strbits, n);
printf ("%sb\n", strbits);
} else printf ("0b\n");
break;
}
return R_TRUE;
}
static int help () {
printf (
" int -> hex ; rax2 10\n"
" hex -> int ; rax2 0xa\n"
" -int -> hex ; rax2 -77\n"
" -hex -> int ; rax2 0xffffffb3\n"
" int -> bin ; rax2 b30\n"
" bin -> int ; rax2 1010d\n"
" float -> hex ; rax2 3.33f\n"
" hex -> float ; rax2 Fx40551ed8\n"
" oct -> hex ; rax2 35o\n"
" hex -> oct ; rax2 Ox12 (O is a letter)\n"
" bin -> hex ; rax2 1100011b\n"
" hex -> bin ; rax2 Bx63\n"
" raw -> hex ; rax2 -S < /binfile\n"
" hex -> raw ; rax2 -s 414141\n"
" -b binstr -> bin ; rax2 -b 01000101 01110110\n"
" -B keep base ; rax2 -B 33+3 -> 36\n"
" -d force integer ; rax2 -d 3 -> 3 instead of 0x3\n"
" -e swap endianness ; rax2 -e 0x33\n"
" -f floating point ; rax2 -f 6.3+2.1\n"
" -h help ; rax2 -h\n"
" -k randomart ; rax2 -k 0x34 1020304050\n"
" -n binary number ; rax2 -e 0x1234 # 34120000\n"
" -s hexstr -> raw ; rax2 -s 43 4a 50\n"
" -S raw -> hexstr ; rax2 -S < /bin/ls > ls.hex\n"
" -t tstamp -> str ; rax2 -t 1234567890\n"
" -x hash string ; rax2 -x linux osx\n"
" -u units ; rax2 -u 389289238 # 317.0M\n"
" -v version ; rax2 -V\n"
);
return R_TRUE;
}
static int rax (char *str, int len, int last) {
float f;
ut8 *buf;
char *p, out_mode = (flags&128)? 'I': '0';
int i;
if (!(flags&4) || !len)
len = strlen (str);
if ((flags & 4))
goto dotherax;
if (*str=='-') {
while (str[1] && str[1]!=' ') {
switch (str[1]) {
case 's': flags ^= 1; break;
case 'e': flags ^= 2; break;
case 'S': flags ^= 4; break;
case 'b': flags ^= 8; break;
case 'x': flags ^= 16; break;
case 'B': flags ^= 32; break;
case 'f': flags ^= 64; break;
case 'd': flags ^=128; break;
case 'k': flags ^=256; break;
case 'n': flags ^=512; break;
case 'u': flags ^=1024;break;
case 't': flags ^=2048;break;
case 'v': blob_version ("rax2"); break;
case '\0': return !use_stdin ();
default:
out_mode = (flags^32)? '0': 'I';
if (str[1]>='0' && str[1]<='9')
return format_output (out_mode, str);
printf ("Usage: rax2 [options] [expr ...]\n");
return help ();
}
str++;
}
if (last)
return !use_stdin ();
return R_TRUE;
}
if (*str=='q')
return R_FALSE;
if (*str=='h' || *str=='?')
return help ();
dotherax:
if (flags & 512) { // -k
ut32 n = r_num_math (num, str);
ut8 *np = (ut8*)&n;
if (flags & 1) fwrite (&n, sizeof (n), 1, stdout);
else printf ("%02x%02x%02x%02x\n",
np[0], np[1], np[2], np[3]);
fflush (stdout);
return R_TRUE;
}
if (flags & 256) { // -k
int n = ((strlen (str))>>1)+1;
char *s;
ut32 *m;
buf = (ut8*) malloc (n);
m = (ut32 *) buf;
memset (buf, '\0', n);
n = r_hex_str2bin (str, (ut8*)buf);
if (n<1 || !memcmp (str, "0x", 2)) {
ut64 q = r_num_math (num, str);
s = r_print_randomart ((ut8*)&q, sizeof (q), q);
printf ("%s\n", s);
free (s);
} else {
s = r_print_randomart ((ut8*)buf, n, *m);
printf ("%s\n", s);
free (s);
}
return R_TRUE;
}
if (flags & 1) { // -s
ut64 n = ((strlen (str))>>1)+1;
buf = malloc (n);
memset (buf, '\0', n);
n = r_hex_str2bin (str, (ut8*)buf);
fwrite (buf, n, 1, stdout);
#if __EMSCRIPTEN__
puts ("");
#endif
fflush (stdout);
free (buf);
return R_TRUE;
}
if (flags & 4) { // -S
for (i=0; i<len; i++)
printf ("%02x", (ut8)str[i]);
printf ("\n");
return R_TRUE;
}
if (flags & 8) {
int i, len;
ut8 buf[4096];
len = r_str_binstr2bin (str, buf, sizeof (buf));
if (len>0)
for (i=0; i<len; i++)
printf ("%c", buf[i]);
return R_TRUE;
}
if (flags & 1024) {
char buf[80];
r_num_units (buf, r_num_math (NULL, str));
printf ("%s\n", buf);
return R_TRUE;
}
if (flags & 2048) {
ut32 n = r_num_math (num, str);
RPrint *p = r_print_new ();
p->big_endian = 0; // TODO: honor endian here
r_mem_copyendian ((ut8*) &n, (ut8*) &n, 8, 0); // fix endian here
r_print_date_unix (p, (const ut8*)&n, sizeof (ut64));
r_print_free (p);
return R_TRUE;
}
if (flags & 16) {
int h = r_str_hash (str);
printf ("0x%x\n", h);
return R_TRUE;
}
#define KB (flags&32)
if (flags & 64) { out_mode = 'f';
} else if (KB) out_mode = 'I';
if (str[0]=='0' && str[1]=='x') {
out_mode = (KB)? '0': 'I';
} else if (str[0]=='b') {
out_mode = 'B';
str++;
} else if (str[0]=='F' && str[1]=='x') {
out_mode = 'F';
*str = '0';
} else if (str[0]=='B' && str[1]=='x') {
out_mode = 'B';
*str = '0';
} else if (str[0]=='O' && str[1]=='x') {
out_mode = 'O';
*str = '0';
} else if (str[strlen (str)-1]=='d') {
out_mode = 'I';
str[strlen (str)-1] = 'b';
//TODO: Move print into format_output
} else if (str[strlen(str)-1]=='f') {
ut8 *p = (ut8*)&f;
sscanf (str, "%f", &f);
printf ("Fx%02x%02x%02x%02x\n", p[0], p[1], p[2], p[3]);
return R_TRUE;
}
while ((p = strchr (str, ' '))) {
*p = 0;
format_output (out_mode, str);
str = p+1;
}
if (*str) format_output (out_mode, str);
return R_TRUE;
}
static int use_stdin () {
static char buf[STDIN_BUFFER_SIZE];
int l, sflag = (flags & 4);
for (l=0; l>=0; l++) {
int n = read (0, buf+l, sizeof (buf)-l);
if (n<1) break;
l+= n;
if (buf[l]==0) {
l--;
continue;
}
buf[n] = 0;
if (sflag && strlen (buf) < sizeof (buf)) // -S
buf[strlen (buf)] = '\0';
else buf[strlen (buf)-1] = '\0';
if (!rax (buf, l, 0)) break;
l = 0;
}
if(l>0)
rax (buf, l, 0);
return 0;
}
int main (int argc, char **argv) {
int i;
num = r_num_new (NULL, NULL);
if (argc == 1)
return use_stdin ();
for (i=1; i<argc; i++)
rax (argv[i], 0, (i+1)==argc);
return 0;
}
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