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Big endian for arm.winedbg and addn randomart in rax2 -k
r_asm: Add support for big endian arm.winedbg rax2: Add -k randomart to rax2, -k is now -B rax2: Handle multiple flags on a single argument rax2: update manpage
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pancake
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b5ee410124
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@ -1,6 +1,7 @@
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/* radare - LGPL - Copyright 2007-2012 pancake<nopcode.org> */
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/* radare - LGPL - Copyright 2007-2013 - pancake */
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#include <r_util.h>
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#include <r_print.h>
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static ut64 flags = 0;
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@ -57,14 +58,16 @@ static int help () {
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" -S raw -> hexstr ; rax2 -S C J P\n"
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" -v version ; rax2 -V\n"
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" -x hash string ; rax2 -x linux osx\n"
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" -k keep base ; rax2 -k 33+3 -> 36\n"
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" -k randomart ; rax2 -k 0x34 1020304050\n"
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" -B keep base ; rax2 -B 33+3 -> 36\n"
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" -h help ; rax2 -h\n");
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return R_TRUE;
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}
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static int rax (char *str, int len, int last) {
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float f;
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char *p, *buf, out_mode = (flags&128)?'I':'0';
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ut8 *buf;
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char *p, out_mode = (flags&128)?'I':'0';
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int i;
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if (!len)
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len = strlen (str);
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@ -72,37 +75,59 @@ static int rax (char *str, int len, int last) {
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if ((flags & 4))
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goto dotherax;
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if (*str=='-') {
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switch (str[1]) {
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case 's': flags ^= 1; break;
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case 'e': flags ^= 2; break;
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case 'S': flags ^= 4; break;
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case 'b': flags ^= 8; break;
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case 'x': flags ^= 16; break;
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case 'k': flags ^= 32; break;
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case 'f': flags ^= 64; break;
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case 'd': flags ^=128; break;
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case 'v': printf ("rax2 v"R2_VERSION"\n"); break;
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case '\0': return use_stdin ();
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default:
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if (str[1]>='0' && str[1]<='9')
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return format_output (out_mode, str);
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printf ("Usage: rax2 [options] [expression]\n");
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return help ();
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while (str[1] && str[1]!=' ') {
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switch (str[1]) {
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case 's': flags ^= 1; break;
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case 'e': flags ^= 2; break;
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case 'S': flags ^= 4; break;
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case 'b': flags ^= 8; break;
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case 'x': flags ^= 16; break;
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case 'B': flags ^= 32; break;
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case 'f': flags ^= 64; break;
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case 'd': flags ^=128; break;
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case 'k': flags ^=256; break;
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case 'v': printf ("rax2 v"R2_VERSION"\n"); break;
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case '\0': return use_stdin ();
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default:
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if (str[1]>='0' && str[1]<='9')
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return format_output (out_mode, str);
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printf ("Usage: rax2 [options] [expression]\n");
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return help ();
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}
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str++;
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}
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if (last)
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return use_stdin ();
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return R_TRUE;
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} else
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if (*str=='q')
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} else if (*str=='q')
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return R_FALSE;
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else
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if (*str=='h' || *str=='?')
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else if (*str=='h' || *str=='?')
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return help ();
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dotherax:
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if (flags & 1) {
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if (flags & 256) { // -k
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int n = ((strlen (str))>>1)+1;
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char *s;
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ut32 *m;
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buf = (ut8*) malloc (n);
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m = (ut32 *) buf;
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memset (buf, '\0', n);
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n = r_hex_str2bin (str, (ut8*)buf);
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if (n<1 || !memcmp (str, "0x", 2)) {
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ut64 q = r_num_math (num, str);
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s = r_print_randomart ((ut8*)&q, sizeof (q), q);
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printf ("%s\n", s);
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free (s);
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} else {
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s = r_print_randomart ((ut8*)buf, n, *m);
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printf ("%s\n", s);
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free (s);
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}
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return R_TRUE;
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}
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if (flags & 1) { // -s
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ut64 n = ((strlen (str))>>1)+1;
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buf = malloc (sizeof (char) * n);
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buf = malloc (n);
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memset (buf, '\0', n);
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n = r_hex_str2bin (str, (ut8*)buf);
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write (1, buf, n);
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@ -131,11 +156,8 @@ static int rax (char *str, int len, int last) {
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}
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#define KB (flags&32)
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if (flags & 64) {
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out_mode = 'f';
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} else
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if (KB)
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out_mode = 'I';
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if (flags & 64) { out_mode = 'f';
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} else if (KB) out_mode = 'I';
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if (str[0]=='0' && str[1]=='x') {
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out_mode = (KB)? '0': 'I';
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} else if (str[0]=='b') {
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@ -170,15 +192,13 @@ static int rax (char *str, int len, int last) {
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return R_TRUE;
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}
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static char buf[254096]; // TODO: remove this limit
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static char buf[354096]; // TODO: remove this limit
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static int use_stdin () {
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while (!feof (stdin)) {
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//int n = fread (buf, 1, sizeof (buf)-1, stdin);
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int n = read (0, buf, sizeof (buf));
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if (n<1) break;
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buf[n] = 0;
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//fgets (buf, sizeof (buf), stdin);
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if (feof (stdin)) break;
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if ((flags & 4) && strlen (buf) < sizeof (buf)) // -S
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buf[strlen (buf)] = '\0';
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@ -1,4 +1,4 @@
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/* radare - LGPL - Copyright 2009-2012 nibble */
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/* radare - LGPL - Copyright 2009-2013 - nibble */
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#include <stdio.h>
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#include <stdarg.h>
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@ -9,15 +9,21 @@
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#include <r_asm.h>
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#include "../arch/arm/winedbg/be_arm.h"
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static int disassemble(struct r_asm_t *a, struct r_asm_op_t *op, const ut8 *buf, ut64 len) {
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static int disassemble(RAsm *a, RAsmOp *op, const ut8 *buf, ut64 len) {
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char buf2[4];
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struct arm_insn *arminsn = arm_new();
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arm_set_pc(arminsn, a->pc);
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arm_set_thumb(arminsn, a->bits == 16);
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arm_set_input_buffer(arminsn, buf);
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op->inst_len = arm_disasm_one_insn(arminsn);
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strncpy (op->buf_asm, arm_insn_asm(arminsn), R_ASM_BUFSIZE);
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strncpy (op->buf_hex, arm_insn_hex(arminsn), R_ASM_BUFSIZE);
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arm_free(arminsn);
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arm_set_pc (arminsn, a->pc);
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arm_set_thumb (arminsn, a->bits == 16);
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if (a->big_endian && a->bits == 32) {
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r_mem_copyendian (buf2, buf, 4, 0);
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arm_set_input_buffer (arminsn, buf2);
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} else {
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arm_set_input_buffer (arminsn, buf);
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}
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op->inst_len = arm_disasm_one_insn (arminsn);
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strncpy (op->buf_asm, arm_insn_asm (arminsn), R_ASM_BUFSIZE);
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strncpy (op->buf_hex, arm_insn_hex (arminsn), R_ASM_BUFSIZE);
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arm_free (arminsn);
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return op->inst_len;
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}
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@ -21,7 +21,7 @@ static void get_strings_range(RBinArch *arch, RList *list, int min, ut64 from, u
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if (arch && arch->buf && to > arch->buf->length)
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to = arch->buf->length;
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if (to > 0xf00000) {
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eprintf ("WARNING: bin_strings buffer is too big\n");
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eprintf ("WARNING: bin_strings buffer is too big at 0x%08"PFMT64x"\n", from);
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return;
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}
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if (to == 0)
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@ -1,4 +1,4 @@
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/* radare - LGPL - Copyright 2009-2012 - nibble, pancake */
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/* radare - LGPL - Copyright 2009-2013 - nibble, pancake */
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#ifndef _INCLUDE_R_ASM_H_
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#define _INCLUDE_R_ASM_H_
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@ -149,6 +149,7 @@ R_API int r_mem_set_num (ut8 *dest, int dest_size, ut64 num, int endian) {
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}
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/* XXX TODO check and use system endian */
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// TODO: rename to r_mem_swap() */
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R_API void r_mem_copyendian (ut8 *dest, const ut8 *orig, int size, int endian) {
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ut8 buffer[8];
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if (endian) {
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14
man/rax2.1
14
man/rax2.1
@ -1,4 +1,4 @@
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.Dd Mar 12, 2010
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.Dd Mar 12, 2013
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.Dt RAX2 1
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.Os
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.Sh NAME
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@ -6,7 +6,7 @@
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.Nd radare base converter
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.Sh SYNOPSIS
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.Nm rax2
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.Op Fl ebsSvxkh
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.Op Fl ebBsSvxkh
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.Op [value] ...
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.Sh DESCRIPTION
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This command is part of the radare project.
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@ -14,10 +14,14 @@ This command is part of the radare project.
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This command allows you to convert values between positive and negative integer, float octal, binary and hexadecimal values.
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.Sh OPTIONS
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.Bl -tag -width Fl
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.It Fl e
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Swap endian.
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.It Fl b
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Convert from binary string to caracter (rax2 \-b 01000101)
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.It Fl B
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Keep de same base as the input data
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.It Fl e
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Swap endian.
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.It Fl k
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Show randomart key asciiart for values or hexpairs
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.It Fl s
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Convert from hex string to caracter (rax2 \-s 43 4a 50)
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.It Fl S
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@ -26,8 +30,6 @@ Convert from hex string to caracter (rax2 \-S C J P)
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Show program version
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.It Fl x
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Convert a string into a hash
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.It Fl k
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Keep de same base as the input data
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.It Fl h
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Show usage help message
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.El
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