mirror of
https://github.com/radareorg/radare2.git
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272 lines
7.2 KiB
C
272 lines
7.2 KiB
C
/* radare - LGPL - Copyright 2007-2020 - pancake */
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#include <r_util.h>
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#include <r_util/r_print.h>
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static const char* bits_to_c_code_fmtstr(int bits) {
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switch (bits) {
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case 16:
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return "0x%04x";
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case 32:
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return "0x%08xU";
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case 64:
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return "0x%016" PFMT64x "ULL";
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}
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return "0x%02x";
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}
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static int get_instruction_size(RPrint *p, ut64 at) {
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char *is = p->coreb.cmdstrf (p->coreb.core, "ao @ 0x%08" PFMT64x "~^size[1]", at);
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int res = atoi (is);
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free (is);
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return res;
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}
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static void print_c_instructions(RPrint *p, ut64 addr, const ut8 *buf, int len) {
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const char *fmtstr = bits_to_c_code_fmtstr (8);
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p->cb_printf ("#define _BUFFER_SIZE %d\n", len);
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p->cb_printf ("const uint8_t buffer[_BUFFER_SIZE] = {\n");
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const int orig_align = p->coreb.cfggeti (p->coreb.core, "asm.cmt.col") - 40;
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size_t k, i = 0;
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while (!r_print_is_interrupted () && i < len) {
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ut64 at = addr + i;
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int inst_size = get_instruction_size (p, at);
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if (inst_size <= 0) {
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// some times the instruction size is reported as zero,
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// just skip the current instruction and go ahead
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inst_size = 1;
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}
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p->cb_printf (" ");
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size_t limit = R_MIN (i + inst_size, len);
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for (k = i; k < limit; k++) {
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r_print_cursor (p, k, 1, true);
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p->cb_printf (fmtstr, r_read_ble (buf++, p->big_endian, 8));
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r_print_cursor (p, k, 1, false);
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p->cb_printf (", ");
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}
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size_t j = k - i;
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int pad = orig_align - ((j - 1) * 6);
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p->cb_printf ("%*s", R_MAX (pad, 0), "");
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if (j == inst_size) {
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char *instr = p->coreb.cmdstrf (p->coreb.core, "pi 1 @ 0x%08" PFMT64x, at);
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r_str_trim (instr);
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p->cb_printf (" /* %s */\n", instr);
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free (instr);
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} else {
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p->cb_printf (" /* invalid */\n");
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}
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i += j;
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}
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p->cb_printf ("};\n");
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}
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static void print_c_code(RPrint *p, ut64 addr, const ut8 *buf, int len, int ws, int w) {
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size_t i;
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ws = R_MAX (1, R_MIN (ws, 8));
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int bits = ws * 8;
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const char *fmtstr = bits_to_c_code_fmtstr (bits);
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len /= ws;
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p->cb_printf ("#define _BUFFER_SIZE %d\n", len);
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p->cb_printf ("const uint%d_t buffer[_BUFFER_SIZE] = {", bits);
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for (i = 0; !r_print_is_interrupted () && i < len; i++) {
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if (!(i % w)) {
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p->cb_printf ("\n ");
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}
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r_print_cursor (p, i, 1, 1);
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p->cb_printf (fmtstr, r_read_ble (buf, p->big_endian, bits));
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if ((i + 1) < len) {
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p->cb_printf (",");
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if ((i + 1) % w) {
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p->cb_printf (" ");
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}
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}
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r_print_cursor (p, i, 1, 0);
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buf += ws;
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}
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p->cb_printf ("\n};\n");
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}
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R_API void r_print_code(RPrint *p, ut64 addr, const ut8 *buf, int len, char lang) {
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int i, w = (int)(p->cols * 0.7);
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if (w < 1) {
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w = 1;
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}
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switch (lang) {
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case '*':
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p->cb_printf ("wx ");
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for (i = 0; !r_print_is_interrupted () && i < len; i++) {
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if (i && !(i % 16)) {
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p->cb_printf (";s+16\nwx ");
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}
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p->cb_printf ("%02x", buf[i]);
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}
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if (i && !(i % 16)) {
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p->cb_printf (";s+16\n");
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} else {
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p->cb_printf (";s+%d\n", (i % 16));
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}
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p->cb_printf ("s-%d\n", len);
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break;
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case 'A': // "pcA"
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/* implemented in core because of disasm :( */
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break;
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case 'a': // "pca"
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p->cb_printf ("shellcode:");
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for (i = 0; !r_print_is_interrupted () && i < len; i++) {
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if (!(i % 8)) {
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p->cb_printf ("\n.byte ");
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} else {
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p->cb_printf (", ");
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}
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p->cb_printf ("0x%02x", buf[i]);
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}
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p->cb_printf ("\n.equ shellcode_len, %d\n", len);
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break;
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case 's': // "pcs"
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p->cb_printf ("\"");
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for (i = 0; !r_print_is_interrupted () && i < len; i++) {
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p->cb_printf ("\\x%02x", buf[i]);
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}
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p->cb_printf ("\"\n");
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break;
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case 'S': // "pcS"
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{
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const int trunksize = 16;
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for (i = 0; !r_print_is_interrupted () && i < len; i++) {
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if (!(i % trunksize)) {
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p->cb_printf ("printf \"");
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}
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p->cb_printf ("\\%03o", buf[i]);
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if ((i % trunksize) == (trunksize - 1)) {
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p->cb_printf ("\" %s bin\n", (i <= trunksize)? ">": ">>");
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}
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}
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if ((i % trunksize)) {
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p->cb_printf ("\" %s bin\n", (i <= trunksize)? ">": ">>");
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}
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} break;
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case 'J': { // "pcJ"
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char *out = malloc (len * 3);
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p->cb_printf ("var buffer = new Buffer(\"");
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out[0] = 0;
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r_base64_encode (out, buf, len);
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p->cb_printf ("%s", out);
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p->cb_printf ("\", 'base64');\n");
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free (out);
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} break;
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case 'k': // "pck" kotlin
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p->cb_printf ("val arr = byteArrayOfInts(");
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for (i = 0; !r_print_is_interrupted () && i < len; i++) {
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r_print_cursor (p, i, 1, 1);
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p->cb_printf ("0x%x%s", buf[i], (i + 1 < len)? ",": "");
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r_print_cursor (p, i, 1, 0);
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}
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p->cb_printf (")\n");
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break;
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case 'z': // "pcz" // swift
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p->cb_printf ("let byteArray : [UInt8] = [");
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for (i = 0; !r_print_is_interrupted () && i < len; i++) {
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r_print_cursor (p, i, 1, 1);
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p->cb_printf ("0x%x%s", buf[i], (i + 1 < len)? ", ": "");
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r_print_cursor (p, i, 1, 0);
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}
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p->cb_printf ("]\n");
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break;
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case 'r': // "pcr" // Rust
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p->cb_printf ("let _: [u8; %d] = [\n", len);
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for (i = 0; !r_print_is_interrupted () && i < len; i++) {
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r_print_cursor (p, i, 1, 1);
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p->cb_printf ("0x%x%s", buf[i], (i + 1 < len)? ",": "");
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r_print_cursor (p, i, 1, 0);
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}
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p->cb_printf ("];\n");
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break;
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case 'o': // "pco" // Objective-C
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p->cb_printf ("NSData *endMarker = [[NSData alloc] initWithBytes:{\n");
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for (i = 0; !r_print_is_interrupted () && i < len; i++) {
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r_print_cursor (p, i, 1, 1);
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p->cb_printf ("0x%x%s", buf[i], (i + 1 < len)? ",": "");
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r_print_cursor (p, i, 1, 0);
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}
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p->cb_printf ("}];\n");
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break;
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case 'v': // "pcv" // JaVa
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p->cb_printf ("byte[] ba = {");
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for (i = 0; !r_print_is_interrupted () && i < len; i++) {
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r_print_cursor (p, i, 1, 1);
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p->cb_printf ("%d%s", buf[i], (i + 1 < len)? ",": "");
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r_print_cursor (p, i, 1, 0);
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}
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p->cb_printf ("};\n");
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break;
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case 'V': // "pcV" // vlang.io
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p->cb_printf ("data := [ byte(%d),\n ", buf[0]);
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for (i = 1; !r_print_is_interrupted () && i < len; i++) {
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r_print_cursor (p, i, 1, 1);
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p->cb_printf ("%d%s", buf[i], (i + 1 < len)? ", ": "");
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r_print_cursor (p, i, 1, 0);
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if ((i %10) == 0) {
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p->cb_printf ("\n ");
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}
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}
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p->cb_printf ("\n]\n");
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break;
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case 'y': // "pcy"
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p->cb_printf ("$hex_%"PFMT64x" = {", addr);
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for (i = 0; !r_print_is_interrupted () && i < len; i++) {
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r_print_cursor (p, i, 1, 1);
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p->cb_printf (" %02x", buf[i] & 0xff);
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r_print_cursor (p, i, 1, 0);
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}
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p->cb_printf (" }\n");
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break;
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case 'j': // "pcj"
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p->cb_printf ("[");
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for (i = 0; !r_print_is_interrupted () && i < len; i++) {
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r_print_cursor (p, i, 1, 1);
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p->cb_printf ("%d%s", buf[i], (i + 1 < len)? ",": "");
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r_print_cursor (p, i, 1, 0);
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}
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p->cb_printf ("]\n");
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break;
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case 'P':
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case 'p': // "pcp" "pcP"
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p->cb_printf ("import struct\nbuf = struct.pack (\"%dB\", *[", len);
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for (i = 0; !r_print_is_interrupted () && i < len; i++) {
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if (!(i % w)) {
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p->cb_printf ("\n");
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}
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r_print_cursor (p, i, 1, 1);
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p->cb_printf ("0x%02x%s", buf[i], (i + 1 < len)? ",": "])");
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r_print_cursor (p, i, 1, 0);
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}
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p->cb_printf ("\n");
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break;
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case 'h': // "pch"
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print_c_code (p, addr, buf, len, 2, p->cols / 2); // 9
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break;
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case 'w': // "pcw"
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print_c_code (p, addr, buf, len, 4, p->cols / 3); // 6);
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break;
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case 'i': // "pci"
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print_c_instructions (p, addr, buf, len);
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break;
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case 'd': // "pcd"
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print_c_code (p, addr, buf, len, 8, p->cols / 5); //3);
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break;
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default:
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print_c_code (p, addr, buf, len, 1, p->cols / 1.5); // 12);
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break;
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}
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}
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