mirror of
https://github.com/radareorg/radare2.git
synced 2024-12-14 16:59:08 +00:00
735 lines
22 KiB
C
735 lines
22 KiB
C
/* radare - LGPL - Copyright 2009-2016 - pancake */
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#include <stddef.h>
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#include "r_cons.h"
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#include "r_core.h"
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#include "r_util.h"
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static const char* findBreakChar(const char *s) {
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while (*s) {
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if (!r_name_validate_char (*s))
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break;
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s++;
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}
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return s;
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}
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static char *filter_flags(RCore *core, const char *msg) {
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const char *dollar, *end;
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char *word, *buf = NULL;
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for (;;) {
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dollar = strchr (msg, '$');
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if (!dollar)
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break;
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buf = r_str_concatlen (buf, msg, dollar-msg);
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if (dollar[1]=='{') {
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// find }
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end = strchr (dollar+2, '}');
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if (end) {
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word = r_str_newlen (dollar+2, end-dollar-2);
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end++;
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} else {
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msg = dollar+1;
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buf = r_str_concat (buf, "$");
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continue;
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}
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} else {
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end = findBreakChar (dollar+1);
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if (!end)
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end = dollar+strlen (dollar);
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word = r_str_newlen (dollar+1, end-dollar-1);
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}
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if (end && word) {
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ut64 val = r_num_math (core->num, word);
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char num[32];
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snprintf (num, sizeof (num),
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"0x%"PFMT64x, val); //item->offset);
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buf = r_str_concat (buf, num);
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msg = end;
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} else break;
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free (word);
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}
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buf = r_str_concat (buf, msg);
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return buf;
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}
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static void clippy(const char *msg) {
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int msglen = strlen (msg);
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char *l = strdup (r_str_pad ('-', msglen));
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char *s = strdup (r_str_pad (' ', msglen));
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r_cons_printf (
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" .--. .-%s-.\n"
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" | _| | %s |\n"
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" | O O < %s |\n"
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" | | | | %s |\n"
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" || | / `-%s-'\n"
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" |`-'|\n"
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" `---'\n", l, s, msg, s, l);
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free (l);
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free (s);
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}
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static int cmd_help(void *data, const char *input) {
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RCore *core = (RCore *)data;
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const char *k;
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char *p, out[128] = {0};
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ut64 n, n2;
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int i;
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RList *tmp;
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switch (input[0]) {
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case '0':
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core->curtab = 0;
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break;
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case '1':
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if (core->curtab < 0)
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core->curtab = 0;
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core->curtab ++;
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break;
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case ':':
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{
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RListIter *iter;
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RCorePlugin *cp;
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if (input[1]=='?') {
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const char* help_msg[] = {
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"Usage:", ":[plugin] [args]", "",
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":", "", "list RCore plugins",
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":java", "", "run java plugin",
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NULL};
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r_core_cmd_help (core, help_msg);
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return 0;
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}
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if (input[1])
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return r_core_cmd0 (core, input+1);
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r_list_foreach (core->rcmd->plist, iter, cp) {
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r_cons_printf ("%s: %s\n", cp->name, cp->desc);
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}
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}
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break;
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case 'r':
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{ // TODO : Add support for 64bit random numbers
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ut64 b = 0;
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ut32 r = UT32_MAX;
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if (input[1]) {
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strncpy (out, input+(input[1]==' '? 2: 1), sizeof (out)-1);
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p = strchr (out+1, ' ');
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if (p) {
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*p = 0;
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b = (ut32)r_num_math (core->num, out);
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r = (ut32)r_num_math (core->num, p+1)-b;
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} else r = (ut32)r_num_math (core->num, out);
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} else r = 0LL;
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if (r == 0)
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r = UT32_MAX>>1;
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core->num->value = (ut64) (b + r_num_rand (r));
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r_cons_printf ("0x%"PFMT64x"\n", core->num->value);
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}
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break;
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case 'b':
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if (input[1] == '6' && input[2] == '4') {
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//b64 decoding takes at most strlen(str) * 4
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const int buflen = (strlen (input+3) * 4) + 1;
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char* buf = calloc (buflen, sizeof(char));
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if (!buf) return false;
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if (input[3] == '-')
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r_base64_decode ((ut8*)buf, input+5, strlen (input+5));
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else r_base64_encode (buf, (const ut8*)input+4, strlen (input+4));
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r_cons_println (buf);
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free (buf);
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} else {
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n = r_num_get (core->num, input+1);
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r_num_to_bits (out, n);
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r_cons_printf ("%sb\n", out);
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}
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break;
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case 'B':
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k = r_str_chop_ro (input+1);
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tmp = r_core_get_boundaries (core, k, &n, &n2);
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r_cons_printf ("0x%"PFMT64x" 0x%"PFMT64x"\n", n, n2);
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r_list_free (tmp);
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break;
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case 'd':
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if (input[1]=='.'){
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int cur = R_MAX(core->print->cur, 0);
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// XXX: we need cmd_xxx.h (cmd_anal.h)
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core_anal_bytes(core, core->block + cur, core->blocksize, 1, 'd');
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} else if (input[1]==' '){
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char *d = r_asm_describe (core->assembler, input+2);
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if (d && *d) {
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r_cons_println (d);
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free (d);
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} else eprintf ("Unknown opcode\n");
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} else eprintf ("Use: ?d[.] [opcode] to get the description of the opcode\n");
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break;
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case 'h':
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if (input[1]==' ') {
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r_cons_printf ("0x%08x\n", (ut32)r_str_hash (input+2));
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} else eprintf ("Usage: ?h [string-to-hash]\n");
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break;
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case 'y':
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for (input++; input[0]==' '; input++);
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if (*input) {
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r_core_yank_set_str (core, R_CORE_FOREIGN_ADDR, input, strlen (input)+1);
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} else {
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r_core_yank_cat (core, 0);
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}
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break;
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case 'F':
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r_cons_flush ();
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break;
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case 'f':
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if (input[1]==' ') {
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char *q, *p = strdup (input+2);
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if (!p) {
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eprintf ("Cannot strdup\n");
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return 0;
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}
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q = strchr (p, ' ');
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if (q) {
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*q = 0;
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n = r_num_get (core->num, p);
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r_str_bits (out, (const ut8*)&n, sizeof (n) * 8, q+1);
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r_cons_println (out);
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} else eprintf ("Usage: \"?b value bitstring\"\n");
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free (p);
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} else eprintf ("Whitespace expected after '?f'\n");
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break;
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case 'o':
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n = r_num_math (core->num, input+1);
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r_cons_printf ("0%"PFMT64o"\n", n);
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break;
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case 'T':
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r_cons_printf("plug.init = %"PFMT64d"\n"
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"plug.load = %"PFMT64d"\n"
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"file.load = %"PFMT64d"\n",
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core->times->loadlibs_init_time,
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core->times->loadlibs_time,
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core->times->file_open_time);
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break;
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case 'u':
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{
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char unit[32];
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n = r_num_math (core->num, input+1);
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r_num_units (unit, n);
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r_cons_println (unit);
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}
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break;
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case ' ':
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{
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char *asnum, unit[32];
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ut32 s, a;
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double d;
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float f;
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n = r_num_math (core->num, input + 1);
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if (core->num->dbz) {
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eprintf ("RNum ERROR: Division by Zero\n");
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}
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asnum = r_num_as_string (NULL, n);
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/* decimal, hexa, octal */
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s = n>>16<<12;
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a = n & 0x0fff;
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r_num_units (unit, n);
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r_cons_printf ("%"PFMT64d" 0x%"PFMT64x" 0%"PFMT64o
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" %s %04x:%04x ",
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n, n, n, unit, s, a);
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if (n>>32) r_cons_printf ("%"PFMT64d" ", (st64)n);
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else r_cons_printf ("%d ", (st32)n);
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if (asnum) {
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r_cons_printf ("\"%s\" ", asnum);
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free (asnum);
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}
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/* binary and floating point */
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r_str_bits64 (out, n);
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f = d = core->num->fvalue;
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r_cons_printf ("%s %.01lf %ff %lf\n",
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out, core->num->fvalue, f, d);
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}
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break;
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case 'v':
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{
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const char *space = strchr (input, ' ');
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if (space) {
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n = r_num_math (core->num, space+1);
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} else {
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n = r_num_math (core->num, "$?");
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}
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}
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if (core->num->dbz) {
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eprintf ("RNum ERROR: Division by Zero\n");
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}
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switch (input[1]) {
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case '?':
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r_cons_printf ("|Usage: ?v[id][ num] # Show value\n"
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"|?vi1 200 -> 1 byte size value (char)\n"
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"|?vi2 0xffff -> 2 byte size value (short)\n"
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"|?vi4 0xffff -> 4 byte size value (int)\n"
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"|?vi8 0xffff -> 8 byte size value (st64)\n"
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"| No argument shows $? value\n"
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"|?vi will show in decimal instead of hex\n");
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break;
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case '\0':
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r_cons_printf ("%d\n", (st32)n);
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break;
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case 'i': // "?vi"
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switch (input[2]) {
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case '1': // byte
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r_cons_printf ("%d\n", (st8)(n & UT8_MAX));
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break;
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case '2': // word
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r_cons_printf ("%d\n", (st16)(n & UT16_MAX));
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break;
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case '4': // dword
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r_cons_printf ("%d\n", (st32)(n & UT32_MAX));
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break;
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case '8': // qword
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r_cons_printf ("%"PFMT64d"\n", (st64)(n & UT64_MAX));
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break;
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default:
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r_cons_printf ("%"PFMT64d"\n", n);
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break;
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}
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break;
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case 'd':
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r_cons_printf ("%"PFMT64d"\n", n);
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break;
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default:
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r_cons_printf ("0x%"PFMT64x"\n", n);
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}
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core->num->value = n; // redundant
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break;
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case '=': // set num->value
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if (input[1]) {
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r_num_math (core->num, input+1);
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} else r_cons_printf ("0x%"PFMT64x"\n", core->num->value);
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break;
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case '+':
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if (input[1]) {
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st64 n = (st64)core->num->value;
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if (n>0) r_core_cmd (core, input+1, 0);
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} else r_cons_printf ("0x%"PFMT64x"\n", core->num->value);
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break;
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case '-':
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if (input[1]) {
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st64 n = (st64)core->num->value;
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if (n<0) r_core_cmd (core, input+1, 0);
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} else r_cons_printf ("0x%"PFMT64x"\n", core->num->value);
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break;
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case '!': // "?!"
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if (input[1]) {
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if (!core->num->value) {
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if (input[1] == '?') {
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r_core_sysenv_help (core);
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return 0;
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} else {
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return core->num->value = r_core_cmd (core, input+1, 0);
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}
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}
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} else r_cons_printf ("0x%"PFMT64x"\n", core->num->value);
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break;
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case '@':
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{
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const char* help_msg[] = {
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"Usage: [.][#]<cmd>[*] [`cmd`] [@ addr] [~grep] [|syscmd] [>[>]file]", "", "",
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"0", "", "alias for 's 0'",
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"0x", "addr", "alias for 's 0x..'",
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"#", "cmd", "if # is a number repeat the command # times",
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"/*", "", "start multiline comment",
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"*/", "", "end multiline comment",
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".", "cmd", "execute output of command as r2 script",
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".:", "8080", "wait for commands on port 8080",
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".!", "rabin2 -re $FILE", "run command output as r2 script",
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"*", "", "output of command in r2 script format (CC*)",
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"j", "", "output of command in JSON format (pdj)",
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"~", "?", "count number of lines (like wc -l)",
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"~", "??", "show internal grep help",
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"~", "..", "internal less",
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"~", "{}", "json indent",
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"~", "{}..", "json indent and less",
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"~", "word", "grep for lines matching word",
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"~", "!word", "grep for lines NOT matching word",
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"~", "word[2]", "grep 3rd column of lines matching word",
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"~", "word:3[0]", "grep 1st column from the 4th line matching word",
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"@", " 0x1024", "temporary seek to this address (sym.main+3)",
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"@", " addr[!blocksize]", "temporary set a new blocksize",
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"@a:", "arch[:bits]", "temporary set arch and bits",
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"@b:", "bits", "temporary set asm.bits",
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"@e:", "k=v,k=v", "temporary change eval vars",
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"@r:", "reg", "tmp seek to reg value (f.ex pd@r:PC)",
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"@f:", "file", "temporary replace block with file contents",
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"@o:", "fd", "temporary switch to another fd",
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"@s:", "string", "same as above but from a string",
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"@x:", "909192", "from hex pairs string",
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"@..", "from to", "temporary set from and to for commands supporting ranges",
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"@@=", "1 2 3", "run the previous command at offsets 1, 2 and 3",
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"@@", " hit*", "run the command on every flag matching 'hit*'",
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"@@?", "[ktfb..]", "show help for the iterator operator",
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"@@@", " [type]", "run a command on every [type] (see @@@? for help)",
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">", "file", "pipe output of command to file",
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">>", "file", "append to file",
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"`", "pdi~push:0[0]`", "replace output of command inside the line",
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"|", "cmd", "pipe output to command (pd|less) (.dr*)",
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NULL};
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r_core_cmd_help (core, help_msg);
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return 0;
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}
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case '$':
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if (input[1] == '?') {
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const char* help_msg[] = {
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"Usage: ?v [$.]","","",
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"$$", "", "here (current virtual seek)",
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"$?", "", "last comparison value",
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"$alias", "=value", "Alias commands (simple macros)",
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"$b", "", "block size",
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"$B", "", "base address (aligned lowest map address)",
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"$F", "", "current function size",
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"$FB", "", "begin of function",
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"$Fb", "", "address of the current basic block",
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"$Fs", "", "size of the current basic block",
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"$FE", "", "end of function",
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"$FS", "", "function size",
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"$FI", "", "function instructions",
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"$c,$r", "", "get width and height of terminal",
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"$Cn", "", "get nth call of function",
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"$Dn", "", "get nth data reference in function",
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"$D", "", "current debug map base address ?v $D @ rsp",
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"$DD", "", "current debug map size",
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"$e", "", "1 if end of block, else 0",
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"$f", "", "jump fail address (e.g. jz 0x10 => next instruction)",
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"$j", "", "jump address (e.g. jmp 0x10, jz 0x10 => 0x10)",
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"$Ja", "", "get nth jump of function",
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"$Xn", "", "get nth xref of function",
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"$l", "", "opcode length",
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"$m", "", "opcode memory reference (e.g. mov eax,[0x10] => 0x10)",
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"$M", "", "map address (lowest map address)",
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"$o", "", "here (current disk io offset)",
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"$p", "", "getpid()",
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"$P", "", "pid of children (only in debug)",
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"$s", "", "file size",
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"$S", "", "section offset",
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"$SS", "", "section size",
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"$v", "", "opcode immediate value (e.g. lui a0,0x8010 => 0x8010)",
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"$w", "", "get word size, 4 if asm.bits=32, 8 if 64, ...",
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"${ev}", "", "get value of eval config variable",
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"$k{kv}", "", "get value of an sdb query value",
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"RNum", "", "$variables usable in math expressions",
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NULL};
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r_core_cmd_help (core, help_msg);
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} else {
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int i = 0;
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const char *vars[] = {
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"$$", "$?", "$b", "$B", "$F", "$FB", "$Fb", "$Fs", "$FE", "$FS", "$FI",
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"$c", "$r", "$D", "$DD", "$e", "$f", "$j", "$Ja", "$l", "$m", "$M", "$o",
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"$p", "$P", "$s", "$S", "$SS", "$v", "$w", NULL
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};
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while (vars[i]) {
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const char *pad = r_str_pad (' ', 6 - strlen (vars[i]));
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eprintf ("%s %s 0x%08"PFMT64x"\n", vars[i], pad, r_num_math (core->num, vars[i]));
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i++;
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}
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}
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return true;
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case 'V':
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switch (input[1]) {
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case '?':
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{
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const char* help_msg[] = {
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"Usage: ?V[jq]","","",
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"?V", "", "show version information",
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"?Vj", "", "same as above but in JSON",
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"?Vq", "", "quiet mode, just show the version number",
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NULL};
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r_core_cmd_help (core, help_msg);
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}
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break;
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case 0:
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if (!strcmp (R2_VERSION, R2_GITTAP)) {
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r_cons_printf ("%s %d\n", R2_VERSION, R2_VERSION_COMMIT);
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} else {
|
|
r_cons_printf ("%s aka %s commit %d\n", R2_VERSION, R2_GITTAP, R2_VERSION_COMMIT);
|
|
}
|
|
break;
|
|
case 'j':
|
|
r_cons_printf ("{\"system\":\"%s-%s\"", R_SYS_OS, R_SYS_ARCH);
|
|
r_cons_printf (",\"version\":\"%s\"}\n", R2_VERSION);
|
|
break;
|
|
case 'q':
|
|
r_cons_println (R2_VERSION);
|
|
break;
|
|
}
|
|
break;
|
|
case 'l':
|
|
for (input++; input[0]==' '; input++);
|
|
core->num->value = strlen (input);
|
|
break;
|
|
case 'X':
|
|
for (input++; input[0]==' '; input++);
|
|
n = r_num_math (core->num, input);
|
|
r_cons_printf ("%"PFMT64x"\n", n);
|
|
break;
|
|
case 'x':
|
|
for (input++; input[0]==' '; input++);
|
|
if (*input=='-') {
|
|
ut8 *out = malloc (strlen (input)+1);
|
|
int len = r_hex_str2bin (input+1, out);
|
|
out[len] = 0;
|
|
r_cons_println ((const char*)out);
|
|
free (out);
|
|
} else if (!strncmp (input, "0x", 2) || (*input>='0' && *input<='9')) {
|
|
ut64 n = r_num_math (core->num, input);
|
|
int bits = r_num_to_bits (NULL, n) / 8;
|
|
for (i=0; i<bits; i++)
|
|
r_cons_printf ("%02x", (ut8)((n>>(i*8)) &0xff));
|
|
r_cons_newline ();
|
|
} else {
|
|
for (i=0; input[i]; i++)
|
|
r_cons_printf ("%02x", input[i]);
|
|
r_cons_newline ();
|
|
}
|
|
break;
|
|
case 'E': // clippy echo
|
|
clippy (r_str_chop_ro (input+1));
|
|
break;
|
|
case 'e': // echo
|
|
{
|
|
const char *msg = r_str_chop_ro (input+1);
|
|
// TODO: replace all ${flagname} by its value in hexa
|
|
char *newmsg = filter_flags (core, msg);
|
|
r_str_unescape (newmsg);
|
|
r_cons_println (newmsg);
|
|
free (newmsg);
|
|
}
|
|
break;
|
|
case 's': // sequence from to step
|
|
{
|
|
ut64 from, to, step;
|
|
char *p, *p2;
|
|
for (input++; *input==' '; input++);
|
|
p = strchr (input, ' ');
|
|
if (p) {
|
|
*p = '\0';
|
|
from = r_num_math (core->num, input);
|
|
p2 = strchr (p+1, ' ');
|
|
if (p2) {
|
|
*p2 = '\0';
|
|
step = r_num_math (core->num, p2+1);
|
|
} else step = 1;
|
|
to = r_num_math (core->num, p+1);
|
|
for (;from<=to; from+=step)
|
|
r_cons_printf ("%"PFMT64d" ", from);
|
|
r_cons_newline ();
|
|
}
|
|
}
|
|
break;
|
|
case 'P':
|
|
if (core->io->va) {
|
|
ut64 o, n = (input[0] && input[1])?
|
|
r_num_math (core->num, input+2): core->offset;
|
|
o = r_io_section_maddr_to_vaddr (core->io, n);
|
|
r_cons_printf ("0x%08"PFMT64x"\n", o);
|
|
} else eprintf ("io.va is false\n");
|
|
break;
|
|
case 'p':
|
|
if (core->io->va) {
|
|
// physical address
|
|
ut64 o, n = (input[0] && input[1])?
|
|
r_num_math (core->num, input+2): core->offset;
|
|
o = r_io_section_vaddr_to_maddr (core->io, n);
|
|
r_cons_printf ("0x%08"PFMT64x"\n", o);
|
|
} else eprintf ("Virtual addresses not enabled!\n");
|
|
break;
|
|
case 'S': {
|
|
// section name
|
|
RIOSection *s;
|
|
ut64 n = (input[0] && input[1])?
|
|
r_num_math (core->num, input+2): core->offset;
|
|
n = r_io_section_vaddr_to_maddr_try (core->io, n);
|
|
s = r_io_section_mget_in (core->io, n);
|
|
if (s && *(s->name)) {
|
|
r_cons_println (s->name);
|
|
}
|
|
break;
|
|
}
|
|
case '_': // hud input
|
|
r_core_yank_hud_file (core, input+1);
|
|
break;
|
|
case 'i': // "?i" input num
|
|
r_cons_set_raw(0);
|
|
if (!r_config_get_i (core->config, "scr.interactive")) {
|
|
eprintf ("Not running in interactive mode\n");
|
|
} else
|
|
switch (input[1]) {
|
|
case 'f': // "?if"
|
|
core->num->value = !r_num_conditional (core->num, input+2);
|
|
eprintf ("%s\n", r_str_bool (!core->num->value));
|
|
break;
|
|
case 'm':
|
|
r_cons_message (input+2);
|
|
break;
|
|
case 'p': {
|
|
core->num->value = r_core_yank_hud_path (core, input+2, 0) == true;
|
|
} break;
|
|
case 'k': // "?ik"
|
|
r_cons_any_key (NULL);
|
|
break;
|
|
case 'y': // "?iy"
|
|
for (input+=2; *input==' '; input++);
|
|
core->num->value =
|
|
r_cons_yesno (1, "%s? (Y/n)", input);
|
|
break;
|
|
case 'n': // "?in"
|
|
for (input+=2; *input==' '; input++);
|
|
core->num->value =
|
|
r_cons_yesno (0, "%s? (y/N)", input);
|
|
break;
|
|
default: {
|
|
char foo[1024];
|
|
r_cons_flush ();
|
|
for (input++; *input==' '; input++);
|
|
// TODO: r_cons_input()
|
|
snprintf (foo, sizeof (foo) - 1, "%s: ", input);
|
|
r_line_set_prompt (foo);
|
|
r_cons_fgets (foo, sizeof (foo)-1, 0, NULL);
|
|
foo[strlen (foo)] = 0;
|
|
r_core_yank_set_str (core, R_CORE_FOREIGN_ADDR, foo, strlen (foo) + 1);
|
|
core->num->value = r_num_math (core->num, foo);
|
|
}
|
|
break;
|
|
}
|
|
r_cons_set_raw (0);
|
|
break;
|
|
case 'w':
|
|
{
|
|
ut64 addr = r_num_math (core->num, input + 1);
|
|
const char *rstr = core->print->hasrefs (core->print->user, addr);
|
|
r_cons_println (rstr);
|
|
}
|
|
break;
|
|
case 't': {
|
|
struct r_prof_t prof;
|
|
r_prof_start (&prof);
|
|
r_core_cmd (core, input+1, 0);
|
|
r_prof_end (&prof);
|
|
core->num->value = (ut64)(int)prof.result;
|
|
eprintf ("%lf\n", prof.result);
|
|
} break;
|
|
case '?': // ???
|
|
if (input[1]=='?') {
|
|
if (input[2]=='?') {
|
|
clippy ("What are you doing?");
|
|
return 0;
|
|
}
|
|
if (input[2]) {
|
|
if (core->num->value)
|
|
r_core_cmd (core, input+1, 0);
|
|
break;
|
|
}
|
|
const char* help_msg[] = {
|
|
"Usage: ?[?[?]] expression", "", "",
|
|
"?", " eip-0x804800", "show hex and dec result for this math expr",
|
|
"?:", "", "list core cmd plugins",
|
|
"?!", " [cmd]", "? != 0",
|
|
"?+", " [cmd]", "? > 0",
|
|
"?-", " [cmd]", "? < 0",
|
|
"?=", " eip-0x804800", "hex and dec result for this math expr",
|
|
"??", "", "show value of operation",
|
|
"??", " [cmd]", "? == 0 run command when math matches",
|
|
"?B", " [elem]", "show range boundaries like 'e?search.in",
|
|
"?P", " paddr", "get virtual address for given physical one",
|
|
"?S", " addr", "return section name of given address",
|
|
"?T", "", "show loading times",
|
|
"?V", "", "show library version of r_core",
|
|
"?X", " num|expr", "returns the hexadecimal value numeric expr",
|
|
"?_", " hudfile", "load hud menu with given file",
|
|
"?b", " [num]", "show binary value of number",
|
|
"?b64[-]", " [str]", "encode/decode in base64",
|
|
"?d[.]", " opcode", "describe opcode for asm.arch",
|
|
"?e", " string", "echo string",
|
|
"?f", " [num] [str]", "map each bit of the number as flag string index",
|
|
"?h", " [str]", "calculate hash for given string",
|
|
"?i", "[ynmkp] arg", "prompt for number or Yes,No,Msg,Key,Path and store in $$?",
|
|
"?ik", "", "press any key input dialog",
|
|
"?im", " message", "show message centered in screen",
|
|
"?in", " prompt", "noyes input prompt",
|
|
"?iy", " prompt", "yesno input prompt",
|
|
"?l", " str", "returns the length of string",
|
|
"?o", " num", "get octal value",
|
|
"?p", " vaddr", "get physical address for given virtual address",
|
|
"?r", " [from] [to]", "generate random number between from-to",
|
|
"?s", " from to step", "sequence of numbers from to by steps",
|
|
"?t", " cmd", "returns the time to run a command",
|
|
"?u", " num", "get value in human units (KB, MB, GB, TB)",
|
|
"?v", " eip-0x804800", "show hex value of math expr",
|
|
"?vi", " rsp-rbp", "show decimal value of math expr",
|
|
"?w", " addr", "show what's in this address (like pxr/pxq does)",
|
|
"?x", " num|str|-hexst", "returns the hexpair of number or string",
|
|
"?y", " [str]", "show contents of yank buffer, or set with string",
|
|
NULL};
|
|
r_core_cmd_help (core, help_msg);
|
|
return 0;
|
|
} else if (input[1]) {
|
|
if (core->num->value) {
|
|
core->num->value = r_core_cmd (core, input+1, 0);
|
|
}
|
|
} else {
|
|
if (core->num->dbz) {
|
|
eprintf ("RNum ERROR: Division by Zero\n");
|
|
}
|
|
r_cons_printf ("%"PFMT64d"\n", core->num->value);
|
|
}
|
|
break;
|
|
case '\0':
|
|
default:{
|
|
const char* help_message[] = {
|
|
"%var", "=value", "Alias for 'env' command",
|
|
"*", "off[=[0x]value]", "Pointer read/write data/values (see ?v, wx, wv)",
|
|
"(macro arg0 arg1)", "", "Manage scripting macros",
|
|
".", "[-|(m)|f|!sh|cmd]", "Define macro or load r2, cparse or rlang file",
|
|
"="," [cmd]", "Run this command via rap://",
|
|
"/","", "Search for bytes, regexps, patterns, ..",
|
|
"!"," [cmd]", "Run given command as in system(3)",
|
|
"#"," [algo] [len]", "Calculate hash checksum of current block",
|
|
"#","!lang [..]", "Hashbang to run an rlang script",
|
|
"a","", "Perform analysis of code",
|
|
"b","", "Get or change block size",
|
|
"c"," [arg]", "Compare block with given data",
|
|
"C","", "Code metadata management",
|
|
"d","", "Debugger commands",
|
|
"e"," [a[=b]]", "List/get/set config evaluable vars",
|
|
"f"," [name][sz][at]", "Set flag at current address",
|
|
"g"," [arg]", "Go compile shellcodes with r_egg",
|
|
"i"," [file]", "Get info about opened file",
|
|
"k"," [sdb-query]", "Run sdb-query. see k? for help, 'k *', 'k **' ...",
|
|
"m","", "Mountpoints commands",
|
|
"o"," [file] ([offset])", "Open file at optional address",
|
|
"p"," [len]", "Print current block with format and length",
|
|
"P","", "Project management utilities",
|
|
"q"," [ret]", "Quit program with a return value",
|
|
"r"," [len]", "Resize file",
|
|
"s"," [addr]", "Seek to address (also for '0x', '0x1' == 's 0x1')",
|
|
"S","", "Io section manipulation information",
|
|
"t","", "Cparse types management",
|
|
"T"," [-] [num|msg]", "Text log utility",
|
|
"u","", "uname/undo seek/write",
|
|
"V","", "Enter visual mode (vcmds=visualvisual keystrokes)",
|
|
"w"," [str]", "Multiple write operations",
|
|
"x"," [len]", "Alias for 'px' (print hexadecimal)",
|
|
"y"," [len] [[[@]addr", "Yank/paste bytes from/to memory",
|
|
"z", "", "Zignatures management",
|
|
"?[??]","[expr]", "Help or evaluate math expression",
|
|
"?$?", "", "Show available '$' variables and aliases",
|
|
"?@?", "", "Misc help for '@' (seek), '~' (grep) (see ~?""?)",
|
|
"?:?", "", "List and manage core plugins",
|
|
NULL
|
|
};
|
|
r_cons_printf("Usage: [.][times][cmd][~grep][@[@iter]addr!size][|>pipe] ; ...\n"
|
|
"Append '?' to any char command to get detailed help\n"
|
|
"Prefix with number to repeat command N times (f.ex: 3x)\n");
|
|
r_core_cmd_help (core, help_message);
|
|
}
|
|
break;
|
|
}
|
|
return 0;
|
|
}
|