mirror of
https://github.com/radareorg/radare2.git
synced 2024-12-04 19:47:31 +00:00
640 lines
17 KiB
C
640 lines
17 KiB
C
/* radare - LGPL - Copyright 2009-2016 - pancake */
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#include "r_list.h"
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#include "r_config.h"
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#include "r_core.h"
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#include "r_print.h"
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#include "r_bin.h"
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static inline ut32 find_binfile_id_by_fd (RBin *bin, ut32 fd) {
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RListIter *it;
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RBinFile *bf;
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r_list_foreach (bin->binfiles, it, bf) {
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if (bf->fd == fd) return bf->id;
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}
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return UT32_MAX;
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}
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static void cmd_open_bin(RCore *core, const char *input) {
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const char* help_msg[] = {
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"Usage:", "ob", " # List open binary files backed by fd",
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"ob", "", "List opened binfiles and bin objects",
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"ob", " [fd # bobj #]", "Prioritize by fd number and object number",
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"obb", " [fd #]", "Prioritize by fd number with current selected object",
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"ob-", " [fd #]", "Delete binfile by fd",
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"obd", " [binobject #]", "Delete binfile object numbers, if more than 1 object is loaded",
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"obo", " [binobject #]", "Prioritize by bin object number",
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NULL};
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const char *value = NULL;
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ut32 binfile_num = -1, binobj_num = -1;
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switch (input[1]) {
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case 0:
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case 'l':
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case 'j':
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case '*':
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r_core_bin_list (core, input[1]);
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break;
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case 'b':
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{
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ut32 fd;
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value = *(input + 3) ? input + 3 : NULL;
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if (!value) {
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eprintf ("Invalid fd number.");
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break;
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}
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binfile_num = UT32_MAX;
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fd = *value && r_is_valid_input_num_value (core->num, value) ?
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r_get_input_num_value (core->num, value) : UT32_MAX;
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binfile_num = find_binfile_id_by_fd (core->bin, fd);
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if (binfile_num == UT32_MAX) {
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eprintf ("Invalid fd number.");
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break;
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}
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r_core_bin_raise (core, binfile_num, -1);
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break;
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}
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case ' ':
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{
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ut32 fd;
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int n;
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const char *tmp;
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char *v;
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v = input[2] ? strdup (input + 2) : NULL;
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if (!v) {
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eprintf ("Invalid arguments");
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break;
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}
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n = r_str_word_set0 (v);
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if (n < 2 || n > 2) {
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eprintf ("Invalid arguments\n");
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eprintf ("usage: ob fd obj\n");
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free (v);
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break;
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}
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tmp = r_str_word_get0 (v, 0);
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fd = *v && r_is_valid_input_num_value (core->num, tmp) ?
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r_get_input_num_value (core->num, tmp) : UT32_MAX;
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tmp = r_str_word_get0 (v, 1);
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binobj_num = *v && r_is_valid_input_num_value (core->num, tmp) ?
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r_get_input_num_value (core->num, tmp) : UT32_MAX;
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binfile_num = find_binfile_id_by_fd (core->bin, fd);
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r_core_bin_raise (core, binfile_num, binobj_num);
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free (v);
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break;
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}
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case 'o':
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value = input[3] ? input + 3 : NULL;
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if (!value) {
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eprintf ("Invalid argument");
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break;
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}
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binobj_num = *value && r_is_valid_input_num_value (core->num, value) ?
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r_get_input_num_value (core->num, value) : UT32_MAX;
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if (binobj_num == UT32_MAX) {
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eprintf ("Invalid binobj_num");
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break;
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}
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r_core_bin_raise (core, -1, binobj_num);
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break;
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case '-': // "ob-"
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//FIXME this command doesn't remove nothing
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if (input[2] == '*') {
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//FIXME this only delete from a list but it doesn't free any space
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r_cons_printf ("[i] Deleted %d binfiles\n",
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r_bin_file_delete_all (core->bin));
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} else {
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ut32 fd;
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value = input[3] ? input + 3 : NULL;
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if (!value) {
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eprintf ("Invalid argument\n");
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break;
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}
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fd = *value && r_is_valid_input_num_value (core->num, value) ?
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r_get_input_num_value (core->num, value) : UT32_MAX;
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binfile_num = find_binfile_id_by_fd (core->bin, fd);
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if (binfile_num == UT32_MAX) {
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eprintf ("Invalid fd\n");
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break;
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}
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if (r_core_bin_delete (core, binfile_num, -1)){
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if (!r_bin_file_delete (core->bin, fd))
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eprintf ("Cannot find an RBinFile associated with that fd.\n");
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} else {
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eprintf ("Couldn't erase because there must be 1 bin object loaded\n");
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}
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}
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break;
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case 'd': // backward compat, must be deleted
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value = input[2] ? input + 2 : NULL;
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if (!value) {
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eprintf ("Invalid bin object number.");
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break;
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}
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binobj_num = *value && r_is_valid_input_num_value (core->num, value) ?
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r_get_input_num_value (core->num, value) : UT32_MAX;
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if (binobj_num == UT32_MAX) {
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eprintf ("Invalid bin object number.");
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break;
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}
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r_core_bin_delete (core, -1, binobj_num);
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break;
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case '?':
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r_core_cmd_help (core, help_msg);
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break;
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}
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}
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static void cmd_open_map (RCore *core, const char *input) {
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const char* help_msg[] = {
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"Usage:", "om[-] [arg]", " # map opened files",
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"om", "", "list all defined IO maps",
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"om", "-0x10000", "remove the map at given address",
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"om", " fd addr [size]", "create new io map",
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"omr", " fd|0xADDR ADDR", "relocate current map",
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"om*", "", "show r2 commands to restore mapaddr",
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NULL };
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ut64 fd = 0LL;
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ut64 addr = 0LL;
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ut64 size = 0LL;
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ut64 delta = 0LL;
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char *s, *p, *q;
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ut64 cur, new;
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RIOMap *map = NULL;
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const char *P;
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switch (input[1]) {
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case 'r':
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if (input[2] != ' ')
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break;
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P = strchr (input+3, ' ');
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if (P) {
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cur = r_num_math (core->num, input+3);
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new = r_num_math (core->num, P+1);
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map = atoi (input+3)>0?
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r_io_map_resolve (core->io, cur):
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r_io_map_get (core->io, cur);
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if (map) {
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ut64 diff = map->to - map->from;
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map->from = new;
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map->to = new+diff;
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} else eprintf ("Cannot find any map here\n");
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} else {
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cur = core->offset;
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new = r_num_math (core->num, input+3);
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map = r_io_map_resolve (core->io, core->file->desc->fd);
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if (map) {
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ut64 diff = map->to - map->from;
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map->from = new;
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map->to = new+diff;
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} else eprintf ("Cannot find any map here\n");
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}
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break;
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case ' ':
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// i need to parse delta, offset, size
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s = strdup (input+2);
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p = strchr (s, ' ');
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if (p) {
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q = strchr (p+1, ' ');
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*p = 0;
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fd = r_num_math (core->num, s);
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addr = r_num_math (core->num, p+1);
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if (q) {
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char *r = strchr (q+1, ' ');
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*q = 0;
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if (r) {
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*r = 0;
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size = r_num_math (core->num, q+1);
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delta = r_num_math (core->num, r+1);
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} else size = r_num_math (core->num, q+1);
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} else size = r_io_size (core->io);
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r_io_map_add (core->io, fd, 0, delta, addr, size);
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} else eprintf ("Invalid use of om . See om? for help.");
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free (s);
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break;
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case '-':
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if (atoi (input+3)>0) {
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r_io_map_del (core->io,
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r_num_math (core->num, input+2));
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} else {
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r_io_map_del_at (core->io,
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r_num_math (core->num, input+2));
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}
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break;
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case '\0':
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r_io_map_list (core->io, 0);
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break;
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case '*':
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r_io_map_list (core->io, 'r');
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break;
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default:
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case '?':
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r_core_cmd_help (core, help_msg);
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break;
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}
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r_core_block_read (core);
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}
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R_API void r_core_file_reopen_in_malloc(RCore *core) {
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RCoreFile *f;
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RListIter *iter;
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r_list_foreach (core->files, iter, f) {
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ut64 sz = r_io_desc_size (core->io, f->desc);
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ut8 *buf = calloc (sz, 1);
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if (!buf) {
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eprintf ("Cannot allocate %d\n", (int)sz);
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continue;
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}
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(void)r_io_pread (core->io, 0, buf, sz);
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char *url = r_str_newf ("malloc://%d", (int)sz);
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RIODesc *desc = r_io_open (core->io, url, R_IO_READ | R_IO_WRITE, 0);
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if (desc) {
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r_io_close (core->io, f->desc);
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f->desc = desc;
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(void)r_io_write_at (core->io, 0, buf, sz);
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} else {
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eprintf ("Cannot open %s\n", url);
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}
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free (buf);
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free (url);
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break;
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}
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}
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R_API void r_core_file_reopen_debug(RCore *core, const char *args) {
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RCoreFile *ofile = core->file;
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RBinFile *bf = NULL;
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char *binpath = NULL;
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if (!ofile || !ofile->desc || !ofile->desc->uri || !ofile->desc->fd) {
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eprintf ("No file open?\n");
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return;
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}
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bf = r_bin_file_find_by_fd (core->bin, ofile->desc->fd);
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binpath = bf ? strdup (bf->file) : NULL;
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if (!binpath) {
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if (r_file_exists (ofile->desc->name)) {
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binpath = strdup (ofile->desc->name);
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}
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}
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if (!binpath) {
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/* fallback to oo */
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(void)r_core_cmd0 (core, "oo");
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return;
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}
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int bits = core->assembler->bits;
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char *oldname = r_file_abspath (binpath);
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char *newfile = r_str_newf ("dbg://%s %s", oldname, args);
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char *newfile2 = strdup (newfile);
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core->file->desc->uri = newfile;
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core->file->desc->referer = NULL;
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r_core_file_reopen (core, newfile, 0, 2);
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r_config_set_i (core->config, "asm.bits", bits);
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r_config_set_i (core->config, "cfg.debug", true);
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newfile = newfile2;
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//XXX: need cmd_debug.h for r_debug_get_baddr
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ut64 new_baddr = r_debug_get_baddr (core, newfile);
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ut64 old_baddr = r_config_get_i (core->config, "bin.baddr");
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if (old_baddr != new_baddr) {
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r_bin_set_baddr (core->bin, new_baddr);
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r_config_set_i (core->config, "bin.baddr", new_baddr);
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r_core_bin_load (core, newfile, new_baddr);
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}
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r_core_cmd0 (core, "sr PC");
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free (oldname);
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free (binpath);
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free (newfile);
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}
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static int cmd_open(void *data, const char *input) {
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const char *help_msg[] = {
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"Usage: o","[com- ] [file] ([offset])","",
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"o","","list opened files",
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"o*","","list opened files in r2 commands",
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"oa"," [addr]","Open bin info from the given address",
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"ob","[lbdos] [...]","list open binary files backed by fd",
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"ob"," 4","priorize io and fd on 4 (bring to binfile to front)",
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"oc"," [file]","open core file, like relaunching r2",
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"oj","","list opened files in JSON format",
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"oL","","list all IO plugins registered",
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"om","[?]","create, list, remove IO maps",
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"on"," [file] 0x4000","map raw file at 0x4000 (no r_bin involved)",
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"oo","[?]","reopen current file (kill+fork in debugger)",
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"oo","+","reopen current file in read-write",
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"ood"," [args]","reopen in debugger mode (with args)",
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"oo[bnm]"," [...]","see oo? for help",
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"op"," ["R_LIB_EXT"]","open r2 native plugin (asm, bin, core, ..)",
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"o"," 4","priorize io on fd 4 (bring to front)",
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"o","-1","close file descriptor 1",
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"o-","*","close all opened files",
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"o--","","close all files, analysis, binfiles, flags, same as !r2 --",
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"o"," [file]","open [file] file in read-only",
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"o","+[file]","open file in read-write mode",
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"o"," [file] 0x4000","map file at 0x4000",
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NULL
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};
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const char* help_msg_oo[] = {
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"Usage:", "oo[-] [arg]", " # map opened files",
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"oo", "", "reopen current file",
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"oo+", "", "reopen in read-write",
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"oob", "", "reopen loading rbin info",
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"ood", "", "reopen in debug mode",
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"oom", "", "reopen in malloc://",
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"oon", "", "reopen without loading rbin info",
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"oon+", "", "reopen in read-write mode without loading rbin info",
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"oonn", "", "reopen without loading rbin info, but with header flags",
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"oonn+", "", "reopen in read-write mode without loading rbin info, but with",
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NULL};
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RCore *core = (RCore*)data;
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int perms = R_IO_READ;
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ut64 addr, baddr = r_config_get_i (core->config, "bin.baddr");
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int nowarn = r_config_get_i (core->config, "file.nowarn");
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RCoreFile *file;
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int num = -1;
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int isn = 0;
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char *ptr;
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RListIter *iter;
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switch (*input) {
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case '=':
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r_io_desc_list_visual (core->io, core->offset, core->blocksize,
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r_cons_get_size (NULL), r_config_get_i (core->config, "scr.color"));
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break;
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case '\0':
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r_core_file_list (core, (int)(*input));
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break;
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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:", "o* [> files.r2]", "",
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"o*", "", "list opened files in r2 commands", NULL
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};
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r_core_cmd_help (core, help_msg);
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break;
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}
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case 'j':
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if ('?' == input[1]) {
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const char *help_msg[] = {
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"Usage:", "oj [~{}]", " # Use ~{} to indent the JSON",
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"oj", "", "list opened files in JSON format", NULL
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};
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r_core_cmd_help (core, help_msg);
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break;
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}
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r_core_file_list (core, (int)(*input));
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break;
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case 'L':
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r_io_plugin_list (core->io);
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break;
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case 'a': // "oa"
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if ('?' == input[1]) {
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const char *help_msg[] = {
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"Usage:", "oa [addr] ([filename])", " # load bininfo and update flags",
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"oa", " [addr]", "Open bin info from the given address",
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"oa", " [addr] [filename]", "Open file and load bin info at given address",NULL
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};
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r_core_cmd_help (core, help_msg);
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break;
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}
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addr = core->offset;
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if (input[1]) {
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char *arg = strdup (input + 2);
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char *filename = strchr (arg, ' ');
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if (filename) {
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RIODesc *desc = r_io_open (core->io, filename + 1, R_IO_READ, 0);
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if (desc) {
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*filename = 0;
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addr = r_num_math (core->num, arg);
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r_bin_load_io (core->bin, desc, addr, 0, 0);
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r_io_close (core->io, desc);
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r_core_cmd0 (core, ".is*");
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} else {
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eprintf ("Cannot open %s\n", filename + 1);
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}
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} else {
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addr = r_num_math (core->num, input + 1);
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RCoreFile *cf = r_core_file_cur (core);
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if (cf && cf->desc) {
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r_bin_load_io (core->bin, cf->desc, addr, 0, 0);
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r_core_cmd0 (core, ".is*");
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} else {
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eprintf ("No file to load bin from?\n");
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}
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}
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free (arg);
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} else {
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/* reload all bininfo */
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r_list_foreach (core->files, iter, file) {
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r_bin_load_io (core->bin, file->desc, addr, 0, 0);
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r_core_cmd0 (core, ".is*");
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break;
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}
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}
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//r_bin_load_io_at_offset_as (core->bin, core->file->desc,
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break;
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case 'p':
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if (r_sandbox_enable (0)) {
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eprintf ("This command is disabled in sandbox mode\n");
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return 0;
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}
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if (input[1]==' ') {
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if (r_lib_open (core->lib, input+2) == R_FAIL)
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eprintf ("Oops\n");
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} else {
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eprintf ("Usage: op [r2plugin."R_LIB_EXT"]\n");
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}
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break;
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case '+':
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perms = R_IO_READ|R_IO_WRITE;
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/* fall through */
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case 'n':
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// like in r2 -n
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isn = 1;
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/* fall through */
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case ' ':
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if (input[(isn?2:1) - 1] == '\x00') {
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eprintf ("Usage: on [file]\n");
|
|
break;
|
|
}
|
|
ptr = strchr (input+(isn?2:1), ' ');
|
|
if (ptr && ptr[1]=='0' && ptr[2]=='x') { // hack to fix opening files with space in path
|
|
*ptr = '\0';
|
|
addr = r_num_math (core->num, ptr+1);
|
|
} else {
|
|
num = atoi (ptr? ptr: input+1);
|
|
addr = 0LL;
|
|
}
|
|
if (num <= 0) {
|
|
const char *fn = input+1; //(isn?2:1);
|
|
if (fn && *fn) {
|
|
if (isn) fn++;
|
|
file = r_core_file_open (core, fn, perms, addr);
|
|
if (file) {
|
|
r_cons_printf ("%d\n", file->desc->fd);
|
|
// MUST CLEAN BEFORE LOADING
|
|
if (!isn)
|
|
r_core_bin_load (core, fn, baddr);
|
|
} else if (!nowarn) {
|
|
eprintf ("Cannot open file '%s'\n", fn);
|
|
}
|
|
} else {
|
|
eprintf ("Usage: on [file]\n");
|
|
}
|
|
} else {
|
|
RListIter *iter = NULL;
|
|
RCoreFile *f;
|
|
core->switch_file_view = 0;
|
|
r_list_foreach (core->files, iter, f) {
|
|
if (f->desc->fd == num) {
|
|
r_io_raise (core->io, num);
|
|
core->switch_file_view = 1;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
r_core_block_read (core);
|
|
break;
|
|
case 'b':
|
|
cmd_open_bin (core, input);
|
|
break;
|
|
case '-': // o-
|
|
switch (input[1]) {
|
|
case '*': // "o-*"
|
|
r_core_file_close_fd (core, -1);
|
|
r_io_close_all (core->io);
|
|
r_bin_file_delete_all (core->bin);
|
|
r_list_purge(core->files);
|
|
break;
|
|
case '-': // "o--"
|
|
eprintf ("All core files, io, anal and flags info purged.\n");
|
|
r_core_file_close_fd (core, -1);
|
|
r_io_close_all (core->io);
|
|
r_bin_file_delete_all (core->bin);
|
|
|
|
// TODO: Move to a-- ?
|
|
r_anal_purge (core->anal);
|
|
// TODO: Move to f-- ?
|
|
r_flag_unset_all (core->flags);
|
|
// TODO: rbin?
|
|
break;
|
|
default:
|
|
if (!r_core_file_close_fd (core, atoi (input+1)))
|
|
eprintf ("Unable to find filedescriptor %d\n",
|
|
atoi (input+1));
|
|
break;
|
|
case '?':
|
|
eprintf ("Usage: o-# or o-*, where # is the filedescriptor number\n");
|
|
}
|
|
// hackaround to fix invalid read
|
|
//r_core_cmd0 (core, "oo");
|
|
// uninit deref
|
|
//r_core_block_read (core);
|
|
break;
|
|
case 'm':
|
|
cmd_open_map (core, input);
|
|
break;
|
|
case 'o':
|
|
switch (input[1]) {
|
|
case 'm': // "oom"
|
|
r_core_file_reopen_in_malloc (core);
|
|
break;
|
|
case 'd': // "ood" : reopen in debugger
|
|
if ('?' == input[2]) {
|
|
const char *help_msg[] = {
|
|
"ood"," [args]","reopen in debugger mode (with args)",NULL
|
|
};
|
|
r_core_cmd_help (core, help_msg);
|
|
} else {
|
|
r_core_file_reopen_debug (core, input + 2);
|
|
}
|
|
break;
|
|
case 'b': // "oob" : reopen with bin info
|
|
if ('?' == input[2]) {
|
|
const char *help_msg[] = {
|
|
"oob", "", "reopen loading rbin info",NULL
|
|
};
|
|
r_core_cmd_help (core, help_msg);
|
|
} else {
|
|
r_core_file_reopen (core, input + 2, 0, 2);
|
|
}
|
|
break;
|
|
case 'n':
|
|
if ('n' == input[2]) {
|
|
if ('?' == input[3]) {
|
|
const char *help_msg[] = {
|
|
"oonn", "", "reopen without loading rbin info, but with header flags",NULL
|
|
};
|
|
r_core_cmd_help (core, help_msg);
|
|
break;
|
|
}
|
|
perms = (input[3] == '+')? R_IO_READ|R_IO_WRITE: 0;
|
|
r_core_file_reopen (core, input + 4, perms, 0);
|
|
// TODO: Use API instead of !rabin2 -rk
|
|
r_core_cmdf (core, ".!rabin2 -rk '' '%s'", core->file->desc->name);
|
|
} else if ('?' == input[2]) {
|
|
const char *help_msg[] = {
|
|
"oon", "", "reopen without loading rbin info",NULL
|
|
};
|
|
r_core_cmd_help (core, help_msg);
|
|
break;
|
|
}
|
|
|
|
perms = ('+' == input[2])? R_IO_READ|R_IO_WRITE: 0;
|
|
r_core_file_reopen (core, input + 3, perms, 0);
|
|
break;
|
|
case '+':
|
|
if ('?' == input[2]) {
|
|
const char *help_msg[] = {
|
|
"oo+", "", "reopen in read-write",NULL
|
|
};
|
|
r_core_cmd_help (core, help_msg);
|
|
} else {
|
|
r_core_file_reopen (core, input + 2, R_IO_READ | R_IO_WRITE, 1);
|
|
}
|
|
break;
|
|
case 0: // "oo"
|
|
r_core_file_reopen (core, input + 2, 0, 1);
|
|
break;
|
|
case '?':
|
|
default:
|
|
r_core_cmd_help (core, help_msg_oo);
|
|
break;
|
|
}
|
|
break;
|
|
case 'c':
|
|
if ('?' == input[1]) {
|
|
const char *help_msg[] = {
|
|
"oc"," [file]","open core file, like relaunching r2",NULL
|
|
};
|
|
r_core_cmd_help (core, help_msg);
|
|
break;
|
|
}
|
|
if (r_sandbox_enable (0)) {
|
|
eprintf ("This command is disabled in sandbox mode\n");
|
|
return 0;
|
|
}
|
|
// memleak? lose all settings wtf
|
|
// if load fails does not fallbacks to previous file
|
|
r_core_fini (core);
|
|
r_core_init (core);
|
|
if (input[1] && input[2]) {
|
|
if (!r_core_file_open (core, input + 2, R_IO_READ, 0)) {
|
|
eprintf ("Cannot open file\n");
|
|
}
|
|
if (!r_core_bin_load (core, NULL, baddr)) {
|
|
r_config_set_i (core->config, "io.va", false);
|
|
}
|
|
} else {
|
|
eprintf ("Missing argument\n");
|
|
}
|
|
break;
|
|
case '?':
|
|
default:
|
|
r_core_cmd_help (core, help_msg);
|
|
break;
|
|
}
|
|
return 0;
|
|
}
|