/* Copy a zero terminated string to the clipboard. Clamp to maxlen or blocksize. */
R_API int r_core_yank_string(RCore *core, ut64 addr, int maxlen) {
ut64 curseek = core->offset;
ut8 *buf = NULL;
if (maxlen < 0) {
eprintf ("r_core_yank_string: cannot yank negative bytes\n");
return false;
}
if (addr != core->offset) {
r_core_seek (core, addr, 1);
}
/* Ensure space and safe termination for largest possible string allowed */
buf = calloc (1, core->blocksize + 1);
if (!buf) {
return false;
}
buf[core->blocksize] = 0;
r_io_read_at (core->io, addr, buf, core->blocksize);
if (maxlen == 0) {
// Don't use strnlen, see: http://sourceforge.net/p/mingw/bugs/1912/
maxlen = r_str_nlen ((const char *) buf, core->blocksize);
} else if (maxlen > core->blocksize) {
maxlen = core->blocksize;
}
r_core_yank_set (core, addr, buf, maxlen);
if (curseek != addr) {
r_core_seek (core, curseek, 1);
}
free (buf);
return true;
}
/* Copy a zero terminated string to the clipboard. Clamp to maxlen or blocksize. */
R_API int r_core_yank_string(RCore *core, ut64 addr, int maxlen) {
ut64 curseek = core->offset;
ut8 *buf = NULL;
if (maxlen<0) {
eprintf ("r_core_yank_string: cannot yank negative bytes\n");
return R_FALSE;
}
if (addr != core->offset)
r_core_seek (core, addr, 1);
/* Ensure space and safe termination for largest possible string allowed */
buf = malloc (core->blocksize + 1);
if (!buf)
return R_FALSE;
buf[core->blocksize] = 0;
r_core_read_at (core, addr, buf, core->blocksize);
if (maxlen == 0) {
maxlen = strnlen ((const char*)buf, core->blocksize);
} else if (maxlen > core->blocksize) {
maxlen = core->blocksize;
}
r_core_yank_set (core, addr, buf, maxlen);
if (curseek != addr)
r_core_seek (core, curseek, 1);
free (buf);
return R_TRUE;
}
R_API int r_core_yank(struct r_core_t *core, ut64 addr, int len) {
ut64 curseek = core->offset;
ut8 *buf = NULL;
if (len < 0) {
eprintf ("r_core_yank: cannot yank negative bytes\n");
return false;
}
if (len == 0) {
len = core->blocksize;
}
buf = malloc (len);
if (!buf) {
return false;
}
if (addr != core->offset) {
r_core_seek (core, addr, 1);
}
r_io_read_at (core->io, addr, buf, len);
r_core_yank_set (core, addr, buf, len);
if (curseek != addr) {
r_core_seek (core, curseek, 1);
}
free (buf);
return true;
}
R_API void r_core_visual_prompt_input (RCore *core) {
int ret;
ut64 addr = core->offset;
ut64 bsze = core->blocksize;
r_cons_reset_colors();
r_cons_printf("\nPress <enter> to return to Visual mode.\n");
r_cons_show_cursor (true);
core->vmode = false;
ut64 newaddr = addr;
if (curset) {
if (ocursor != -1) {
newaddr = core->offset + ocursor;
r_core_block_size (core, cursor-ocursor);
} else newaddr = core->offset + cursor;
r_core_seek (core, newaddr, 1);
}
do {
ret = r_core_visual_prompt (core);
if (core->offset != newaddr) {
// do not restore seek anymore
newaddr = addr;
}
} while (ret);
if (curset) {
if (addr != newaddr) {
r_core_seek (core, addr, 1);
r_core_block_size (core, bsze);
}
}
r_cons_show_cursor (false);
core->vmode = true;
}
R_API void r_core_visual_seek_animation (RCore *core, ut64 addr) {
if (r_config_get_i (core->config, "scr.feedback")<1)
return;
#if 0
int i, ns = 90000;
const char *scmd = (addr > core->offset)? "so": "s-4";
for (i=0;i<5;i++) {
r_core_cmd0 (core, scmd);
r_core_visual_refresh (core);
r_cons_flush();
r_sys_usleep (ns);
ns -= 1000;
}
r_core_seek (core, addr, 1);
#else
if (core->offset == addr)
return;
r_cons_gotoxy (1, 2);
if (addr>core->offset) {
r_cons_printf (".----.\n");
r_cons_printf ("| \\/ |\n");
r_cons_printf ("'----'\n");
} else {
r_cons_printf (".----.\n");
r_cons_printf ("| /\\ |\n");
r_cons_printf ("'----'\n");
}
r_cons_flush();
r_sys_usleep (90000);
#endif
r_core_seek (core, addr, 1);
}
static int on_fcn_delete (void *_anal, void* _user, RAnalFunction *fcn) {
RCore *core = (RCore*)_user;
const char *cmd = r_config_get (core->config, "cmd.fcn.delete");
if (cmd && *cmd) {
ut64 oaddr = core->offset;
ut64 addr = fcn->addr;
r_core_seek (core, addr, 1);
r_core_cmd0 (core, cmd);
r_core_seek (core, oaddr, 1);
}
return 0;
}
static int on_fcn_rename(void *_anal, void* _user, RAnalFunction *fcn, const char *oname) {
RCore *core = (RCore*)_user;
const char *cmd = r_config_get (core->config, "cmd.fcn.rename");
if (cmd && *cmd) {
// XXX: wat do with old name here?
ut64 oaddr = core->offset;
ut64 addr = fcn->addr;
r_core_seek (core, addr, 1);
r_core_cmd0 (core, cmd);
r_core_seek (core, oaddr, 1);
}
return 0;
}
static void __seek_line_absolute(RCore *core, int numline) {
if (numline < 1 || numline > core->print->lines_cache_sz - 1) {
eprintf ("ERROR: Line must be between 1 and %d\n", core->print->lines_cache_sz - 1);
} else {
r_core_seek (core, core->print->lines_cache[numline - 1], 1);
}
}
R_API int r_core_visual_prompt (RCore *core) {
char buf[1024];
int ret;
ut64 oseek = core->offset;
#if __UNIX__
r_line_set_prompt (Color_RESET":> ");
#else
r_line_set_prompt (":> ");
#endif
showcursor (core, R_TRUE);
r_cons_fgets (buf, sizeof (buf), 0, NULL);
if (*buf) {
r_line_hist_add (buf);
r_core_cmd (core, buf, 0);
r_cons_flush ();
ret = R_TRUE;
} else {
ret = R_FALSE;
//r_cons_any_key ();
r_cons_clear00 ();
showcursor (core, R_FALSE);
}
if (curset) r_core_seek (core, oseek, 1);
return ret;
}
static void r_core_magic(RCore *core, const char *file, int v) {
ut64 addr = core->offset;
magicdepth = r_config_get_i (core->config, "magic.depth"); // TODO: do not use global var here
r_core_magic_at (core, file, addr, magicdepth, v);
if (addr != core->offset)
r_core_seek (core, addr, R_TRUE);
}
R_API int r_core_seek_delta(RCore *core, st64 addr) {
ut64 tmp = core->offset;
int ret;
if (addr == 0) {
return true;
}
if (addr > 0LL) {
/* TODO: check end of file */
addr += tmp;
} else {
/* check < 0 */
if (-addr > tmp) {
addr = 0;
} else {
addr += tmp;
}
}
core->offset = addr;
ret = r_core_seek (core, addr, 1);
//ret = r_core_block_read (core);
//if (ret == -1)
// memset (core->block, 0xff, core->blocksize);
// core->offset = tmp;
return ret;
}
static void seek_to_register(RCore *core, const char *input, bool is_silent) {
ut64 off;
if (core->io->debug) {
off = r_debug_reg_get (core->dbg, input);
if (!is_silent) {
r_io_sundo_push (core->io, core->offset, r_print_get_cursor (core->print));
}
r_core_seek (core, off, 1);
} else {
RReg *orig = core->dbg->reg;
core->dbg->reg = core->anal->reg;
off = r_debug_reg_get (core->dbg, input);
core->dbg->reg = orig;
if (!is_silent) {
r_io_sundo_push (core->io, core->offset, r_print_get_cursor (core->print));
}
r_core_seek (core, off, 1);
}
}
static void __seek_line_relative(RCore *core, int numlines) {
int curr = r_util_lines_getline (core->print->lines_cache, core->print->lines_cache_sz, core->offset);
if (numlines > 0 && curr + numlines >= core->print->lines_cache_sz - 1) {
eprintf ("ERROR: Line must be < %d\n", core->print->lines_cache_sz - 1);
} else if (numlines < 0 && curr + numlines < 1) {
eprintf ("ERROR: Line must be > 1\n");
} else {
r_core_seek (core, core->print->lines_cache[curr + numlines - 1], 1);
}
}
static void r_core_visual_mark_seek(RCore *core, ut8 ch) {
if (!marks_init) {
int i;
for (i=0;i<UT8_MAX;i++)
marks[i] = 0;
marks_init = 1;
}
if (marks[ch])
r_core_seek (core, marks[ch], 1);
}
R_API void r_core_visual_prompt_input (RCore *core) {
int ret;
eprintf ("Press <enter> to return to Visual mode.\n");
do {
ut64 addr = core->offset;
ut64 bsze = core->blocksize;
if (curset) {
if (ocursor != -1) {
r_core_block_size (core, cursor-ocursor);
r_core_seek (core, core->offset + ocursor, 1);
} else r_core_seek (core, core->offset + cursor, 1);
}
ret = r_core_visual_prompt (core);
if (curset) {
r_core_seek (core, addr, 1);
r_core_block_size (core, bsze);
}
} while (ret);
}
R_API int r_core_yank(struct r_core_t *core, ut64 addr, int len) {
ut64 oldbsz = 0LL;
ut64 curseek = core->offset;
free (core->yank_buf);
core->yank_buf = (ut8 *)malloc (len);
if (addr != core->offset)
r_core_seek (core, addr, 1);
if (len == 0)
len = core->blocksize;
if (len > core->blocksize) {
oldbsz = core->blocksize;
r_core_block_size (core, len);
}
memcpy (core->yank_buf, core->block, len);
core->yank_off = addr;
core->yank_len = len;
if (curseek != addr)
r_core_seek (core, curseek, 1);
if (oldbsz)
r_core_block_size (core, oldbsz);
return R_TRUE;
}
R_API int r_core_yank(struct r_core_t *core, ut64 addr, int len) {
ut64 curseek = core->offset;
ut8 *buf = NULL;
if (len<0) {
eprintf ("r_core_yank: cannot yank negative bytes\n");
return R_FALSE;
}
if (len == 0) len = core->blocksize;
//free (core->yank_buf);
buf = malloc (len);
//core->yank_buf = (ut8 *)malloc (len);
if (addr != core->offset)
r_core_seek (core, addr, 1);
r_core_read_at (core, addr, buf, len);
r_core_yank_set (core, addr, buf, len);
if (curseek != addr)
r_core_seek (core, curseek, 1);
free (buf);
return R_TRUE;
}
R_API void r_core_visual_prompt (RCore *core) {
char buf[1024];
ut64 oseek = core->offset;
#if __UNIX__
r_line_set_prompt (Color_RESET":> ");
#else
r_line_set_prompt (":> ");
#endif
r_cons_show_cursor (R_TRUE);
r_cons_fgets (buf, sizeof (buf), 0, NULL);
r_line_hist_add (buf);
r_core_cmd (core, buf, 0);
r_cons_any_key ();
r_cons_clear00 ();
r_cons_show_cursor (R_FALSE);
if (curset) r_core_seek (core, oseek, 1);
}
int main (int argc, char **argv) {
r_anal_esil_set_pc (core->anal->esil, fcn ? fcn->addr : core->offset);
switch (*input) {
case '\0': // "aft"
{
seek = core->offset;
r_anal_esil_set_pc (core->anal->esil, fcn ? fcn->addr : core->offset);
r_core_anal_type_match (core, fcn);
r_core_seek (core, seek, true);
break;
}
case '?':
default:
r_core_cmd_help (core, help_msg_aft);
break;
}
return 0;
}
static void findNextWord (RCore *core) {
int i, d = curset? cursor: 0;
for (i = d+1; i<core->blocksize; i++) {
switch (core->block[i]) {
case ' ':
case '.':
case '\t':
case '\n':
if (curset) {
cursor = i+1;
ocursor = -1;
showcursor (core, true);
} else {
r_core_seek (core, core->offset + i + 1, 1);
}
return;
}
}
}
static int cmd_seek(void *data, const char *input) {
RCore *core = (RCore *) data;
char *cmd, *p;
ut64 off;
if (!*input) {
r_cons_printf ("0x%"PFMT64x "\n", core->offset);
return 0;
}
char *ptr;
if ((ptr = strstr (input, "+.")) != NULL) {
char *dup = strdup (input);
dup[ptr - input] = '\x00';
off = r_num_math (core->num, dup + 1);
core->offset = off;
free (dup);
}
const char *inputnum = strchr (input, ' ');
{
const char *u_num = inputnum? inputnum + 1: input + 1;
off = r_num_math (core->num, u_num);
if (*u_num == '-') {
off = -off;
}
}
int sign = 1;
if (input[0] == ' ') {
switch (input[1]) {
case '-':
sign = -1;
/* pass thru */
case '+':
input++;
break;
}
}
bool silent = false;
if (*input == 's') {
silent = true;
input++;
if (*input == '?') {
const char *help_message[] = {
"Usage: ss", "", " # Seek silently (not recorded in the seek history)",
"s?", "", "Works with all s subcommands",
NULL
};
r_core_cmd_help (core, help_message);
return 0;
}
}
switch (*input) {
case 'r':
if (input[1] && input[2]) {
seek_to_register (core, input + 2, silent);
} else {
eprintf ("|Usage| 'sr PC' seek to program counter register\n");
}
break;
case 'C':
if (input[1] == '*') {
r_core_cmd0 (core, "C*~^\"CC");
} else if (input[1] == ' ') {
typedef struct {
ut64 addr;
char *str;
} MetaCallback;
int count = 0;
MetaCallback cb = {
0, NULL
};
ut64 addr;
char key[128];
const char *val, *comma;
char *list = sdb_get (core->anal->sdb_meta, "meta.C", 0);
char *str, *next, *cur = list;
if (list) {
for (;;) {
cur = sdb_anext (cur, &next);
addr = sdb_atoi (cur);
snprintf (key, sizeof (key) - 1, "meta.C.0x%"PFMT64x, addr);
val = sdb_const_get (core->anal->sdb_meta, key, 0);
if (val) {
comma = strchr (val, ',');
if (comma) {
str = (char *) sdb_decode (comma + 1, 0);
if (strstr (str, input + 2)) {
r_cons_printf ("0x%08"PFMT64x " %s\n", addr, str);
count++;
cb.addr = addr;
free (cb.str);
cb.str = str;
} else {
free (str);
}
}
} else {
eprintf ("sdb_const_get key not found '%s'\n", key);
}
if (!next) {
break;
}
cur = next;
}
}
switch (count) {
case 0:
eprintf ("No matching comments\n");
break;
case 1:
off = cb.addr;
if (!silent) {
r_io_sundo_push (core->io, core->offset, r_print_get_cursor (core->print));
}
r_core_seek (core, off, 1);
r_core_block_read (core);
break;
default:
eprintf ("Too many results\n");
break;
}
free (cb.str);
} else {
const char *help_msg[] = {
"Usage:", "sC", "Comment grep",
"sC", "*", "List all comments",
"sC", " str", "Seek to the first comment matching 'str'",
NULL
};
r_core_cmd_help (core, help_msg);
}
break;
case ' ':
if (!silent) {
r_io_sundo_push (core->io, core->offset, r_print_get_cursor (core->print));
}
r_core_seek (core, off * sign, 1);
r_core_block_read (core);
break;
case '/':
{
const char *pfx = r_config_get (core->config, "search.prefix");
ut64 from = r_config_get_i (core->config, "search.from");
// kwidx cfg var is ignored
int kwidx = core->search->n_kws; // (int)r_config_get_i (core->config, "search.kwidx")-1;
if (kwidx < 0) {
kwidx = 0;
}
switch (input[1]) {
case ' ':
case 'v':
case 'V':
case 'w':
case 'W':
case 'z':
case 'm':
case 'c':
case 'A':
case 'e':
case 'E':
case 'i':
case 'R':
case 'r':
case '/':
case 'x':
r_config_set_i (core->config, "search.from", core->offset + 1);
r_config_set_i (core->config, "search.count", 1);
r_core_cmdf (core, "s+1; %s; s-1; s %s%d_0; f-%s%d_0",
input, pfx, kwidx, pfx, kwidx, pfx, kwidx);
r_config_set_i (core->config, "search.from", from);
r_config_set_i (core->config, "search.count", 0);
break;
case '?':
eprintf ("Usage: s/.. arg.\n");
r_cons_printf ("/?\n");
break;
default:
eprintf ("unknown search method\n");
break;
}
}
break;
case '.':
for (input++; *input == '.'; input++) {
;
}
r_core_seek_base (core, input);
break;
case 'j': // sj
{
RList /*<ut64 *>*/ *addrs = r_list_newf (free);
RList /*<char *>*/ *names = r_list_newf (free);
RList *list = r_io_sundo_list (core->io, '!');
ut64 lsz = 0;
ut64 i;
RListIter *iter;
RIOUndos *undo;
if (list) {
r_list_foreach (list, iter, undo) {
char *name = NULL;
core->flags->space_strict = true;
RFlagItem *f = r_flag_get_at (core->flags, undo->off, true);
core->flags->space_strict = false;
if (f) {
if (f->offset != undo->off) {
name = r_str_newf ("%s + %d\n", f->name,
(int)(undo->off- f->offset));
} else {
name = strdup (f->name);
}
}
if (!name) {
name = strdup ("");
}
ut64 *val = malloc (sizeof (ut64));
if (!val) {
free (name);
break;
}
*val = undo->off;
r_list_append (addrs, val);
r_list_append (names, strdup (name));
lsz++;
free (name);
}
r_list_free (list);
}
r_cons_printf ("[");
for (i = 0; i < lsz; ++i) {
ut64 *addr = r_list_get_n (addrs, i);
const char *name = r_list_get_n (names, i);
// XXX(should the "name" field be optional? That might make
// a bit more sense.
r_cons_printf ("{\"offset\":%"PFMT64d",\"symbol\":\"%s\"}", *addr, name);
if (i != lsz - 1) {
r_cons_printf (",");
}
}
r_cons_printf ("]\n");
r_list_free (addrs);
r_list_free (names);
}
break;
case '*':
case '=':
case '!':
{
RList *list = r_io_sundo_list (core->io, input[0]);
RListIter *iter;
RIOUndos *undo;
if (list) {
r_list_foreach (list, iter, undo) {
char *name = NULL;
core->flags->space_strict = true;
RFlagItem *f = r_flag_get_at (core->flags, undo->off, true);
core->flags->space_strict = false;
if (f) {
if (f->offset != undo->off) {
name = r_str_newf ("%s + %d\n", f->name,
(int)(undo->off- f->offset));
} else {
name = strdup (f->name);
}
}
if (!name) {
name = strdup ("");
}
r_cons_printf ("0x%"PFMT64x" %s\n", undo->off, name);
free (name);
}
r_list_free (list);
}
}
static int visual_nkey(RCore *core, int ch) {
const char *cmd;
ut64 oseek = UT64_MAX;
if (ocursor == -1) {
oseek = core->offset;
r_core_seek (core, core->offset + cursor, 0);
}
switch (ch) {
case R_CONS_KEY_F1:
cmd = r_config_get (core->config, "key.f1");
if (cmd && *cmd) ch = r_core_cmd0 (core, cmd);
else ch = '?';
break;
case R_CONS_KEY_F2:
cmd = r_config_get (core->config, "key.f2");
if (cmd && *cmd) ch = r_core_cmd0 (core, cmd);
break;
case R_CONS_KEY_F3:
cmd = r_config_get (core->config, "key.f3");
if (cmd && *cmd) ch = r_core_cmd0 (core, cmd);
break;
case R_CONS_KEY_F4:
cmd = r_config_get (core->config, "key.f4");
if (cmd && *cmd) ch = r_core_cmd0 (core, cmd);
break;
case R_CONS_KEY_F5:
cmd = r_config_get (core->config, "key.f5");
if (cmd && *cmd) ch = r_core_cmd0 (core, cmd);
break;
case R_CONS_KEY_F6:
cmd = r_config_get (core->config, "key.f6");
if (cmd && *cmd) ch = r_core_cmd0 (core, cmd);
break;
case R_CONS_KEY_F7:
cmd = r_config_get (core->config, "key.f7");
if (cmd && *cmd) ch = r_core_cmd0 (core, cmd);
else ch = 's';
break;
case R_CONS_KEY_F8:
cmd = r_config_get (core->config, "key.f8");
if (cmd && *cmd) ch = r_core_cmd0 (core, cmd);
break;
case R_CONS_KEY_F9:
cmd = r_config_get (core->config, "key.f9");
if (cmd && *cmd) ch = r_core_cmd0 (core, cmd);
else r_core_cmd0 (core, "dc");
break;
case R_CONS_KEY_F10:
cmd = r_config_get (core->config, "key.f10");
if (cmd && *cmd) ch = r_core_cmd0 (core, cmd);
break;
case R_CONS_KEY_F11:
cmd = r_config_get (core->config, "key.f11");
if (cmd && *cmd) ch = r_core_cmd0 (core, cmd);
break;
case R_CONS_KEY_F12:
cmd = r_config_get (core->config, "key.f12");
if (cmd && *cmd) ch = r_core_cmd0 (core, cmd);
break;
}
if (oseek != UT64_MAX)
r_core_seek (core, oseek, 0);
return ch;
}
/* TODO: simplify using r_write */
static int cmd_write(void *data, const char *input) {
ut64 off;
ut8 *buf;
const char *arg;
int wseek, i, size, len = strlen (input);
char *tmp, *str, *ostr;
RCore *core = (RCore *)data;
#define WSEEK(x,y) if (wseek)r_core_seek_delta (x,y)
wseek = r_config_get_i (core->config, "cfg.wseek");
str = ostr = strdup (input+1);
switch (*input) {
case 'h':
{
char *p = strchr (input, ' ');
if (p) {
while (*p==' ') p++;
p = r_file_path (p);
if (p) {
r_cons_printf ("%s\n", p);
free (p);
}
}
}
break;
case 'e':
{
ut64 addr = 0, len = 0, b_size = 0;
st64 dist = 0;
ut8* bytes = NULL;
int cmd_suc = R_FALSE;
char *input_shadow = NULL, *p = NULL;
switch (input[1]) {
case 'n':
if (input[2] == ' ') {
len = *input ? r_num_math (core->num, input+3) : 0;
if (len > 0){
ut64 cur_off = core->offset;
cmd_suc = r_core_extend_at (core, core->offset, len);
core->offset = cur_off;
r_core_block_read (core, 0);
}
}
break;
case 'N':
if (input[2] == ' ') {
input += 3;
while (*input && *input == ' ') input++;
addr = r_num_math (core->num, input);
while (*input && *input != ' ') input++;
input++;
len = *input ? r_num_math (core->num, input) : 0;
if (len > 0){
ut64 cur_off = core->offset;
cmd_suc = r_core_extend_at (core, addr, len);
cmd_suc = r_core_seek (core, cur_off, 1);
core->offset = addr;
r_core_block_read (core, 0);
}
}
break;
case 'x':
if (input[2] == ' ') {
input+=2;
len = *input ? strlen (input) : 0;
bytes = len > 1? malloc (len+1) : NULL;
len = bytes ? r_hex_str2bin (input, bytes) : 0;
if (len > 0) {
ut64 cur_off = core->offset;
cmd_suc = r_core_extend_at (core, cur_off, len);
if (cmd_suc) {
r_core_write_at (core, cur_off, bytes, len);
}
core->offset = cur_off;
r_core_block_read (core, 0);
}
free (bytes);
}
break;
case 'X':
if (input[2] == ' ') {
addr = r_num_math (core->num, input+3);
input += 3;
while (*input && *input != ' ') input++;
input++;
len = *input ? strlen (input) : 0;
bytes = len > 1? malloc (len+1) : NULL;
len = bytes ? r_hex_str2bin (input, bytes) : 0;
if (len > 0) {
//ut64 cur_off = core->offset;
cmd_suc = r_core_extend_at (core, addr, len);
if (cmd_suc) {
r_core_write_at (core, addr, bytes, len);
}
core->offset = addr;
r_core_block_read (core, 0);
}
free (bytes);
}
break;
case 's':
input += 3;
while (*input && *input == ' ') input++;
len = strlen (input);
input_shadow = len > 0? malloc (len+1): 0;
// since the distance can be negative,
// the r_num_math will perform an unwanted operation
// the solution is to tokenize the string :/
if (input_shadow) {
strncpy (input_shadow, input, len+1);
p = strtok (input_shadow, " ");
addr = p && *p ? r_num_math (core->num, p) : 0;
p = strtok (NULL, " ");
dist = p && *p ? r_num_math (core->num, p) : 0;
p = strtok (NULL, " ");
b_size = p && *p ? r_num_math (core->num, p) : 0;
if (dist != 0){
r_core_shift_block (core, addr, b_size, dist);
r_core_seek (core, addr, 1);
cmd_suc = R_TRUE;
}
}
free (input_shadow);
break;
case '?':
default:
cmd_suc = R_FALSE;
}
if (cmd_suc == R_FALSE) {
r_cons_printf ("|Usage: write extend\n"
"wen <num> insert num null bytes at current offset\n"
"wex <hex_bytes> insert bytes at current offset\n"
"weN <addr> <len> insert bytes at address\n"
"weX <addr> <hex_bytes> insert bytes at address\n"
"wes <addr> <dist> <block_size> shift a blocksize left or write in the editor\n"
);
}
}
break;
case 'p':
if (input[1]=='-' || (input[1]==' '&&input[2]=='-')) {
const char *tmpfile = ".tmp";
char *out = r_core_editor (core, NULL);
if (out) {
// XXX hacky .. patch should support str, not only file
r_file_dump (tmpfile, (ut8*)out, strlen (out));
r_core_patch (core, tmpfile);
r_file_rm (tmpfile);
free (out);
}
} else {
if (input[1]==' ' && input[2]) {
r_core_patch (core, input+2);
} else {
eprintf ("Usage: wp [-|r2patch-file]\n"
"TODO: rapatch format documentation here\n");
}
}
break;
case 'u':
// TODO: implement it in an API RCore.write_unified_hexpatch() is ETOOLONG
if (input[1]==' ') {
char *data = r_file_slurp (input+2, NULL);
if (data) {
char sign = ' ';
int line = 0, offs = 0, hexa = 0;
int newline = 1;
for (i=0; data[i]; i++) {
switch (data[i]) {
case '+':
if (newline)
sign = 1;
break;
case '-':
if (newline) {
sign = 0;
offs = i + ((data[i+1]==' ')?2:1);
}
break;
case ' ':
data[i] = 0;
if (sign) {
if (!line) line = i+1;
else
if (!hexa) hexa = i+1;
}
break;
case '\r':
break;
case '\n':
newline = 1;
if (sign == -1) {
offs = 0;
line = 0;
hexa = 0;
} else if (sign) {
if (offs && hexa) {
r_cons_printf ("wx %s @ %s\n", data+hexa, data+offs);
} else eprintf ("food\n");
offs = 0;
line = 0;
} else hexa = 0;
sign = -1;
continue;
}
newline = 0;
}
free (data);
}
} else {
eprintf ("|Usage: wu [unified-diff-patch] # see 'cu'\n");
}
break;
case 'r':
off = r_num_math (core->num, input+1);
len = (int)off;
if (len>0) {
buf = malloc (len);
if (buf != NULL) {
r_num_irand ();
for (i=0; i<len; i++)
buf[i] = r_num_rand (256);
r_core_write_at (core, core->offset, buf, len);
WSEEK (core, len);
free (buf);
} else eprintf ("Cannot allocate %d bytes\n", len);
}
break;
case 'A':
switch (input[1]) {
case ' ':
if (input[2] && input[3]==' ') {
r_asm_set_pc (core->assembler, core->offset);
eprintf ("modify (%c)=%s\n", input[2], input+4);
len = r_asm_modify (core->assembler, core->block, input[2],
r_num_math (core->num, input+4));
eprintf ("len=%d\n", len);
if (len>0) {
r_core_write_at (core, core->offset, core->block, len);
WSEEK (core, len);
} else eprintf ("r_asm_modify = %d\n", len);
} else eprintf ("Usage: wA [type] [value]\n");
break;
case '?':
default:
r_cons_printf ("|Usage: wA [type] [value]\n"
"|Types:\n"
"| r raw write value\n"
"| v set value (taking care of current address)\n"
"| d destination register\n"
"| 0 1st src register\n"
"| 1 2nd src register\n"
"|Example: wA r 0 # e800000000\n");
break;
}
break;
case 'c':
switch (input[1]) {
case 'i':
r_io_cache_commit (core->io);
r_core_block_read (core, 0);
break;
case 'r':
r_io_cache_reset (core->io, R_TRUE);
/* Before loading the core block we have to make sure that if
* the cache wrote past the original EOF these changes are no
* longer displayed. */
memset (core->block, 0xff, core->blocksize);
r_core_block_read (core, 0);
break;
case '-':
if (input[2]=='*') {
r_io_cache_reset (core->io, R_TRUE);
} else if (input[2]==' ') {
char *p = strchr (input+3, ' ');
ut64 to, from = core->offset;
if (p) {
*p = 0;
from = r_num_math (core->num, input+3);
to = r_num_math (core->num, input+3);
if (to<from) {
eprintf ("Invalid range (from>to)\n");
return 0;
}
} else {
from = r_num_math (core->num, input+3);
to = from + core->blocksize;
}
r_io_cache_invalidate (core->io, from, to);
} else {
eprintf ("Invalidate write cache at 0x%08"PFMT64x"\n", core->offset);
r_io_cache_invalidate (core->io, core->offset, core->offset+core->blocksize);
}
/* See 'r' above. */
memset (core->block, 0xff, core->blocksize);
r_core_block_read (core, 0);
break;
case '?':
r_cons_printf (
"|Usage: wc[ir*?]\n"
"| wc list all write changes\n"
"| wc- [a] [b] remove write op at curseek or given addr\n"
"| wc* \"\" in radare commands\n"
"| wcr reset all write changes in cache\n"
"| wci commit write cache\n"
"|NOTE: Requires 'e io.cache=true'\n");
break;
case '*':
r_io_cache_list (core->io, R_TRUE);
break;
case '\0':
if (!r_config_get_i (core->config, "io.cache"))
eprintf ("[warning] e io.cache must be true\n");
r_io_cache_list (core->io, R_FALSE);
break;
}
break;
case ' ':
/* write string */
len = r_str_unescape (str);
r_core_write_at (core, core->offset, (const ut8*)str, len);
#if 0
r_io_use_desc (core->io, core->file->desc);
r_io_write_at (core->io, core->offset, (const ut8*)str, len);
#endif
WSEEK (core, len);
r_core_block_read (core, 0);
break;
case 't':
if (*str != ' ') {
eprintf ("Usage: wt file [size]\n");
} else {
tmp = strchr (str+1, ' ');
if (tmp) {
st64 sz = (st64) r_num_math (core->num, tmp+1);
*tmp = 0;
if (sz<1) eprintf ("Invalid length\n");
else r_core_dump (core, str+1, core->offset, (ut64)sz);
} else r_file_dump (str+1, core->block, core->blocksize);
}
break;
case 'T':
eprintf ("TODO: wT // why?\n");
break;
case 'f':
arg = (const char *)(input+((input[1]==' ')?2:1));
if (!strcmp (arg, "-")) {
char *out = r_core_editor (core, NULL);
if (out) {
r_io_write_at (core->io, core->offset,
(ut8*)out, strlen (out));
free (out);
}
} else
if ((buf = (ut8*) r_file_slurp (arg, &size))) {
r_io_use_desc (core->io, core->file->desc);
r_io_write_at (core->io, core->offset, buf, size);
WSEEK (core, size);
free (buf);
r_core_block_read (core, 0);
} else eprintf ("Cannot open file '%s'\n", arg);
break;
case 'F':
arg = (const char *)(input+((input[1]==' ')?2:1));
if (!strcmp (arg, "-")) {
int len;
ut8 *out;
char *in = r_core_editor (core, NULL);
if (in) {
out = (ut8 *)strdup (in);
if (out) {
len = r_hex_str2bin (in, out);
if (len>0)
r_io_write_at (core->io, core->offset, out, len);
free (out);
}
free (in);
}
} else
if ((buf = r_file_slurp_hexpairs (arg, &size))) {
r_io_use_desc (core->io, core->file->desc);
r_io_write_at (core->io, core->offset, buf, size);
WSEEK (core, size);
free (buf);
r_core_block_read (core, 0);
} else eprintf ("Cannot open file '%s'\n", arg);
break;
case 'w':
str++;
len = (len-1)<<1;
if (len>0) tmp = malloc (len+1);
else tmp = NULL;
if (tmp) {
for (i=0; i<len; i++) {
if (i%2) tmp[i] = 0;
else tmp[i] = str[i>>1];
}
str = tmp;
r_io_use_desc (core->io, core->file->desc);
r_io_write_at (core->io, core->offset, (const ut8*)str, len);
WSEEK (core, len);
r_core_block_read (core, 0);
free (tmp);
} else eprintf ("Cannot malloc %d\n", len);
break;
case 'x':
{
int b, len = strlen (input);
ut8 *buf = malloc (len+1);
len = r_hex_str2bin (input+1, buf);
if (len != 0) {
if (len<0) len = -len+1;
if (len<core->blocksize) {
b = core->block[len]&0xf;
b |= (buf[len]&0xf0);
} else b = buf[len];
buf[len] = b;
r_core_write_at (core, core->offset, buf, len);
WSEEK (core, len);
r_core_block_read (core, 0);
} else eprintf ("Error: invalid hexpair string\n");
free (buf);
}
break;
case 'a':
switch (input[1]) {
case 'o':
if (input[2] == ' ')
r_core_hack (core, input+3);
else r_core_hack_help (core);
break;
case ' ':
case '*':
{ const char *file = input[1]=='*'? input+2: input+1;
RAsmCode *acode;
r_asm_set_pc (core->assembler, core->offset);
acode = r_asm_massemble (core->assembler, file);
if (acode) {
if (input[1]=='*') {
r_cons_printf ("wx %s\n", acode->buf_hex);
} else {
if (r_config_get_i (core->config, "scr.prompt"))
eprintf ("Written %d bytes (%s) = wx %s\n", acode->len, input+2, acode->buf_hex);
r_core_write_at (core, core->offset, acode->buf, acode->len);
WSEEK (core, acode->len);
r_core_block_read (core, 0);
}
r_asm_code_free (acode);
}
} break;
case 'f':
if ((input[2]==' '||input[2]=='*')) {
const char *file = input[2]=='*'? input+4: input+3;
RAsmCode *acode;
r_asm_set_pc (core->assembler, core->offset);
acode = r_asm_assemble_file (core->assembler, file);
if (acode) {
if (input[2]=='*') {
r_cons_printf ("wx %s\n", acode->buf_hex);
} else {
if (r_config_get_i (core->config, "scr.prompt"))
eprintf ("Written %d bytes (%s)=wx %s\n", acode->len, input+1, acode->buf_hex);
r_core_write_at (core, core->offset, acode->buf, acode->len);
WSEEK (core, acode->len);
r_core_block_read (core, 0);
}
r_asm_code_free (acode);
} else eprintf ("Cannot assemble file\n");
} else eprintf ("Wrong argument\n");
break;
default:
r_cons_printf ("|Usage: wa[of*] [arg]\n"
"| wa nop : write nopcode using asm.arch and asm.bits\n"
"| wa* mov eax, 33 : show 'wx' op with hexpair bytes of sassembled opcode\n"
"| \"wa nop;nop\" : assemble more than one instruction (note the quotes)\n"
"| waf foo.asm : assemble file and write bytes\n"
"| wao nop : convert current opcode into nops\n"
"| wao? : show help for assembler operation on current opcode (hack)\n");
break;
}
break;
case 'b':
{
int len = strlen (input);
ut8 *buf = malloc (len+1);
if (buf) {
len = r_hex_str2bin (input+1, buf);
if (len > 0) {
r_mem_copyloop (core->block, buf, core->blocksize, len);
r_core_write_at (core, core->offset, core->block, core->blocksize);
WSEEK (core, core->blocksize);
r_core_block_read (core, 0);
} else eprintf ("Wrong argument\n");
free (buf);
} else eprintf ("Cannot malloc %d\n", len+1);
}
break;
case 'm':
size = r_hex_str2bin (input+1, (ut8*)str);
switch (input[1]) {
case '\0':
eprintf ("Current write mask: TODO\n");
// TODO
break;
case '?':
break;
case '-':
r_io_set_write_mask (core->io, 0, 0);
eprintf ("Write mask disabled\n");
break;
case ' ':
if (size>0) {
r_io_use_desc (core->io, core->file->desc);
r_io_set_write_mask (core->io, (const ut8*)str, size);
WSEEK (core, size);
eprintf ("Write mask set to '");
for (i=0; i<size; i++)
eprintf ("%02x", str[i]);
eprintf ("'\n");
} else eprintf ("Invalid string\n");
break;
}
break;
case 'v':
{
int type = 0;
ut8 addr1;
ut16 addr2;
ut32 addr4, addr4_;
ut64 addr8;
switch (input[1]) {
case '?':
r_cons_printf ("|Usage: wv[size] [value] # write value of given size\n"
"| wv1 234 # write one byte with this value\n"
"| wv 0x834002 # write dword with this value\n"
"|Supported sizes are: 1, 2, 4, 8\n");
return 0;
case '1': type = 1; break;
case '2': type = 2; break;
case '4': type = 4; break;
case '8': type = 8; break;
}
off = r_num_math (core->num, input+2);
r_io_use_desc (core->io, core->file->desc);
r_io_seek (core->io, core->offset, R_IO_SEEK_SET);
if (type == 0)
type = (off&UT64_32U)? 8: 4;
switch (type) {
case 1:
addr1 = (ut8)off;
r_io_write (core->io, (const ut8 *)&addr1, 1);
WSEEK (core, 1);
break;
case 2:
addr2 = (ut16)off;
r_io_write (core->io, (const ut8 *)&addr2, 2);
WSEEK (core, 2);
break;
case 4:
addr4_ = (ut32)off;
//drop_endian((ut8*)&addr4_, (ut8*)&addr4, 4); /* addr4_ = addr4 */
//endian_memcpy((ut8*)&addr4, (ut8*)&addr4_, 4); /* addr4 = addr4_ */
memcpy ((ut8*)&addr4, (ut8*)&addr4_, 4); // XXX needs endian here too
r_io_write (core->io, (const ut8 *)&addr4, 4);
WSEEK (core, 4);
break;
case 8:
/* 8 byte addr */
memcpy ((ut8*)&addr8, (ut8*)&off, 8); // XXX needs endian here
// endian_memcpy((ut8*)&addr8, (ut8*)&off, 8);
r_io_write (core->io, (const ut8 *)&addr8, 8);
WSEEK (core, 8);
break;
}
r_core_block_read (core, 0);
}
break;
case 'o':
switch (input[1]) {
case 'a':
case 's':
case 'e':
case 'A':
case 'x':
case 'r':
case 'l':
case 'm':
case 'd':
case 'o':
case 'w':
if (input[2]!=' ') {
if (input[1]=='e') r_cons_printf (
"Usage: 'woe from-to step'\n");
else r_cons_printf (
"Usage: 'wo%c 00 11 22'\n", input[1]);
free (ostr);
return 0;
}
case '2':
case '4':
r_core_write_op (core, input+3, input[1]);
r_core_block_read (core, 0);
break;
case 'R':
r_core_cmd0 (core, "wr $b");
break;
case 'n':
r_core_write_op (core, "ff", 'x');
r_core_block_read (core, 0);
break;
case '\0':
case '?':
default:
r_cons_printf (
"|Usage: wo[asmdxoArl24] [hexpairs] @ addr[:bsize]\n"
"|Example:\n"
"| wox 0x90 ; xor cur block with 0x90\n"
"| wox 90 ; xor cur block with 0x90\n"
"| wox 0x0203 ; xor cur block with 0203\n"
"| woa 02 03 ; add [0203][0203][...] to curblk\n"
"| woe 02 03 \n"
"|Supported operations:\n"
"| wow == write looped value (alias for 'wb')\n"
"| woa += addition\n"
"| wos -= substraction\n"
"| wom *= multiply\n"
"| wod /= divide\n"
"| wox ^= xor\n"
"| woo |= or\n"
"| woA &= and\n"
"| woR random bytes (alias for 'wr $b'\n"
"| wor >>= shift right\n"
"| wol <<= shift left\n"
"| wo2 2= 2 byte endian swap\n"
"| wo4 4= 4 byte endian swap\n"
);
break;
}
break;
case 'd':
if (input[1]==' ') {
char *arg, *inp = strdup (input+2);
arg = strchr (inp, ' ');
if (arg) {
*arg = 0;
ut64 addr = r_num_math (core->num, input+2);
ut64 len = r_num_math (core->num, arg+1);
ut8 *data = malloc (len);
r_io_read_at (core->io, addr, data, len);
r_io_write_at (core->io, core->offset, data, len);
free (data);
} else eprintf ("See wd?\n");
free (inp);
} else eprintf ("Usage: wd [source-offset] [length] @ [dest-offset]\n");
break;
case 's':
{
ut8 ulen;
len = r_str_unescape (str+1);
if (len>255) {
eprintf ("Too large\n");
} else {
ulen = (ut8)len;
r_core_write_at (core, core->offset, &ulen, 1);
r_core_write_at (core, core->offset+1, (const ut8*)str+1, len);
WSEEK (core, len);
r_core_block_read (core, 0);
}
}
break;
default:
case '?':
if (core->oobi) {
eprintf ("Writing oobi buffer!\n");
r_io_use_desc (core->io, core->file->desc);
r_io_write (core->io, core->oobi, core->oobi_len);
WSEEK (core, core->oobi_len);
r_core_block_read (core, 0);
} else r_cons_printf (
"|Usage: w[x] [str] [<file] [<<EOF] [@addr]\n"
"| w foobar write string 'foobar'\n"
"| wh r2 whereis/which shell command\n"
"| wr 10 write 10 random bytes\n"
"| ww foobar write wide string 'f\\x00o\\x00o\\x00b\\x00a\\x00r\\x00'\n"
"| wa push ebp write opcode, separated by ';' (use '\"' around the command)\n"
"| waf file assemble file and write bytes\n"
"| wA r 0 alter/modify opcode at current seek (see wA?)\n"
"| wb 010203 fill current block with cyclic hexpairs\n"
"| wc[ir*?] write cache undo/commit/reset/list (io.cache)\n"
"| wd [off] [n] duplicate N bytes from offset at current seek (memcpy) (see y?)\n"
"| wx 9090 write two intel nops\n"
"| wv eip+34 write 32-64 bit value\n"
"| wo? hex write in block with operation. 'wo?' fmi\n"
"| wm f0ff set binary mask hexpair to be used as cyclic write mask\n"
"| ws pstring write 1 byte for length and then the string\n"
"| wf -|file write contents of file at current offset\n"
"| wF -|file write contents of hexpairs file here\n"
"| wp -|file apply radare patch file. See wp? fmi\n"
"| wt file [sz] write to file (from current seek, blocksize or sz bytes)\n"
);
//TODO: add support for offset+seek
// " wf file o s ; write contents of file from optional offset 'o' and size 's'.\n"
break;
}
static int cmd_seek(void *data, const char *input) {
RCore *core = (RCore *)data;
char *cmd, *p;
ut64 off;
if (*input == 'r') {
if (input[1] && input[2]) {
if (core->io->debug) {
off = r_debug_reg_get (core->dbg, input + 2);
r_io_sundo_push (core->io, core->offset, r_print_get_cursor (core->print));
r_core_seek (core, off, 1);
} else {
RReg *orig = core->dbg->reg;
core->dbg->reg = core->anal->reg;
off = r_debug_reg_get (core->dbg, input + 2);
core->dbg->reg = orig;
r_core_seek (core, off, 1);
}
} else eprintf ("|Usage| 'sr PC' seek to program counter register\n");
}
if (*input) {
char* ptr;
if ((ptr = strstr(input, "+.")) != NULL) {
char* dup = strdup(input);
dup[ptr - input] = '\x00';
off = r_num_math (core->num, dup + 1);
core->offset = off;
free (dup);
}
const char *inputnum = strchr (input, ' ');
int sign = 1;
{
const char *u_num = inputnum? inputnum + 1: input + 1;
off = r_num_math (core->num, u_num);
if (*u_num == '-') off = -off;
}
#if 0
if (input[0]!='/' && inputnum && isalpha (inputnum[0]) && off == 0) {
if (!r_flag_get (core->flags, inputnum)) {
eprintf ("Cannot find address for '%s'\n", inputnum);
return false;
}
}
#endif
if (input[0]==' ') {
switch (input[1]) {
case '-': sign=-1;
case '+': input++; break;
}
}
switch (*input) {
case 'C':
if (input[1]=='*') {
r_core_cmd0 (core, "C*~^\"CC");
} else
if (input[1]==' ') {
typedef struct {
ut64 addr;
char *str;
} MetaCallback;
int count = 0;
MetaCallback cb = { 0, NULL };
ut64 addr;
char key[128];
const char *val, *comma;
char *list = sdb_get (core->anal->sdb_meta, "meta.C", 0);
char *str, *next, *cur = list;
if (list) {
for (;;) {
cur = sdb_anext (cur, &next);
addr = sdb_atoi (cur);
snprintf (key, sizeof (key)-1, "meta.C.0x%"PFMT64x, addr);
val = sdb_const_get (core->anal->sdb_meta, key, 0);
if (val) {
comma = strchr (val, ',');
if (comma) {
str = (char *)sdb_decode (comma+1, 0);
if (strstr (str, input+2)) {
r_cons_printf ("0x%08"PFMT64x" %s\n", addr, str);
count++;
cb.addr = addr;
free (cb.str);
cb.str = str;
} else free (str);
}
} else eprintf ("sdb_const_get key not found '%s'\n", key);
if (!next)
break;
cur = next;
}
}
switch (count) {
case 0:
eprintf ("No matching comments\n");
break;
case 1:
off = cb.addr;
r_io_sundo_push (core->io, core->offset, r_print_get_cursor (core->print));
r_core_seek (core, off, 1);
r_core_block_read (core);
break;
default:
eprintf ("Too many results\n");
break;
}
free (cb.str);
} else {
const char *help_msg[] = {
"Usage:", "sC", "Comment grep",
"sC", "*", "List all comments",
"sC", " str", "Seek to the first comment matching 'str'",
NULL };
r_core_cmd_help (core, help_msg);
}
break;
case ' ':
r_io_sundo_push (core->io, core->offset, r_print_get_cursor (core->print));
r_core_seek (core, off * sign, 1);
r_core_block_read (core);
break;
case '/':
{
const char *pfx = r_config_get (core->config, "search.prefix");
ut64 from = r_config_get_i (core->config, "search.from");
//kwidx cfg var is ignored
int kwidx = core->search->n_kws; //(int)r_config_get_i (core->config, "search.kwidx")-1;
if (kwidx<0) kwidx = 0;
switch (input[1]) {
case ' ':
case 'v':
case 'V':
case 'w':
case 'W':
case 'z':
case 'm':
case 'c':
case 'A':
case 'e':
case 'E':
case 'i':
case 'R':
case 'r':
case '/':
case 'x':
r_config_set_i (core->config, "search.from", core->offset+1);
r_config_set_i (core->config, "search.count", 1);
r_core_cmdf (core, "s+1; %s; s-1; s %s%d_0; f-%s%d_0",
input, pfx, kwidx, pfx, kwidx, pfx, kwidx);
r_config_set_i (core->config, "search.from", from);
r_config_set_i (core->config, "search.count", 0);
break;
case '?':
eprintf ("Usage: s/.. arg.\n");
r_cons_printf ("/?\n");
break;
default:
eprintf ("unknown search method\n");
break;
}
}
break;
case '.':
for (input++;*input=='.';input++);
r_core_seek_base (core, input);
break;
case '*':
case '=':
case 'j':
r_io_sundo_list (core->io, input[0]);
break;
case '+':
if (input[1]!='\0') {
int delta = (input[1]=='+')? core->blocksize: off;
r_io_sundo_push (core->io, core->offset, r_print_get_cursor (core->print));
r_core_seek_delta (core, delta);
} else {
RIOUndos *undo = r_io_sundo_redo (core->io);
if (undo != NULL)
r_core_seek (core, undo->off, 0);
}
break;
case '-':
if (input[1]!='\0') {
int delta = (input[1]=='-') ? -core->blocksize: -off;
r_io_sundo_push (core->io, core->offset, r_print_get_cursor (core->print));
r_core_seek_delta (core, delta);
} else {
RIOUndos *undo = r_io_sundo (core->io, core->offset);
if (undo) {
r_core_seek (core, undo->off, 0);
r_core_block_read (core);
}
}
break;
case 'n':
r_io_sundo_push (core->io, core->offset, r_print_get_cursor (core->print));
r_core_seek_next (core, r_config_get (core->config, "scr.nkey"));
break;
case 'p':
r_io_sundo_push (core->io, core->offset, r_print_get_cursor (core->print));
r_core_seek_previous (core, r_config_get (core->config, "scr.nkey"));
break;
case 'a':
off = core->blocksize;
if (input[1]&&input[2]) {
cmd = strdup (input);
p = strchr (cmd+2, ' ');
if (p) {
off = r_num_math (core->num, p+1);;
*p = '\0';
}
cmd[0] = 's';
// perform real seek if provided
r_cmd_call (core->rcmd, cmd);
free (cmd);
}
r_io_sundo_push (core->io, core->offset, r_print_get_cursor (core->print));
r_core_seek_align (core, off, 0);
break;
case 'b':
if (off == 0)
off = core->offset;
r_io_sundo_push (core->io, core->offset, r_print_get_cursor (core->print));
r_core_anal_bb_seek (core, off);
break;
case 'f': // "sf"
if (strlen(input) > 2 && input[1]==' ') {
RAnalFunction *fcn = r_anal_fcn_find_name (core->anal, input+2);
if (fcn) {
r_core_seek (core, fcn->addr, 1);
}
break;
}
RAnalFunction *fcn = r_anal_get_fcn_in (core->anal, core->offset, 0);
if (fcn) {
r_core_seek (core, fcn->addr + r_anal_fcn_size (fcn), 1);
}
break;
case 'o': // "so"
{
RAnalOp op;
int val=0, ret, i, n = r_num_math (core->num, input+1);
if (n==0) n = 1;
if (n<0) {
int instr_len;
ut64 addr = core->offset;
int numinstr = n * -1;
if (r_core_prevop_addr (core, core->offset, numinstr, &addr)) {
ret = core->offset - addr;
} else {
ret = r_core_asm_bwdis_len (core, &instr_len, &addr, numinstr);
}
r_core_seek (core, addr, true);
val += ret;
} else {
for (val=i=0; i<n; i++) {
ret = r_anal_op (core->anal, &op,
core->offset, core->block, core->blocksize);
if (ret<1)
ret = 1;
r_core_seek_delta (core, ret);
val += ret;
}
}
core->num->value = val;
}
break;
case 'g': // "sg"
{
RIOSection *s = r_io_section_vget (core->io, core->offset);
if (s) r_core_seek (core, s->vaddr, 1);
else r_core_seek (core, 0, 1);
}
break;
case 'G': // "sG"
{
if (!core->file) break;
RIOSection *s = r_io_section_vget (core->io, core->offset);
// XXX: this +2 is a hack. must fix gap between sections
if (s) r_core_seek (core, s->vaddr+s->size+2, 1);
else r_core_seek (core, r_io_desc_size (core->io, core->file->desc), 1);
}
break;
case 'l': // "sl"
{
int sl_arg = r_num_math (core->num, input+1);
const char *help_msg[] = {
"Usage:", "sl+ or sl- or slc", "",
"sl", " [line]", "Seek to absolute line",
"sl", "[+-][line]", "Seek to relative line",
"slc", "", "Clear line cache",
"sll", "", "Show total number of lines",
NULL };
switch (input[1]) {
case 0:
if (!core->print->lines_cache) {
__init_seek_line (core);
}
__get_current_line (core);
break;
case ' ':
if (!core->print->lines_cache) {
__init_seek_line (core);
}
__seek_line_absolute (core, sl_arg);
break;
case '+':
case '-':
if (!core->print->lines_cache) {
__init_seek_line (core);
}
__seek_line_relative (core, sl_arg);
break;
case 'c':
__clean_lines_cache (core);
break;
case 'l':
if (!core->print->lines_cache) {
__init_seek_line (core);
}
eprintf ("%d lines\n", core->print->lines_cache_sz-1);
break;
case '?':
r_core_cmd_help (core, help_msg);
break;
}
}
break;
case ':':
printPadded (core, atoi (input + 1));
break;
case '?': {
const char * help_message[] = {
"Usage: s", "", " # Seek commands",
"s", "", "Print current address",
"s:", "pad", "Print current address with N padded zeros (defaults to 8)",
"s", " addr", "Seek to address",
"s-", "", "Undo seek",
"s-", " n", "Seek n bytes backward",
"s--", "", "Seek blocksize bytes backward",
"s+", "", "Redo seek",
"s+", " n", "Seek n bytes forward",
"s++", "", "Seek blocksize bytes forward",
"s[j*=]", "", "List undo seek history (JSON, =list, *r2)",
"s/", " DATA", "Search for next occurrence of 'DATA'",
"s/x", " 9091", "Search for next occurrence of \\x90\\x91",
"s.", "hexoff", "Seek honoring a base from core->offset",
"sa", " [[+-]a] [asz]", "Seek asz (or bsize) aligned to addr",
"sb", "", "Seek aligned to bb start",
"sC", "[?] string", "Seek to comment matching given string",
"sf", "", "Seek to next function (f->addr+f->size)",
"sf", " function", "Seek to address of specified function",
"sg/sG", "", "Seek begin (sg) or end (sG) of section or file",
"sl", "[?] [+-]line", "Seek to line",
"sn/sp", "", "Seek next/prev scr.nkey",
"so", " [N]", "Seek to N next opcode(s)",
"sr", " pc", "Seek to register",
//"sp [page] seek page N (page = block)",
NULL
};
r_core_cmd_help(core, help_message);
}
break;
}
} else r_cons_printf ("0x%"PFMT64x"\n", core->offset);
return 0;
}
static int r_core_magic_at(RCore *core, const char *file, ut64 addr, int depth, int v) {
const char *fmt;
char *q, *p;
const char *str;
int found = 0, delta = 0, adelta = 0;
const char *cmdhit = r_config_get (core->config, "cmd.hit");
#define NAH 32
if (--depth<0)
return 0;
if (addr != core->offset) {
#if 1
if (addr >= core->offset && (addr+NAH) < (core->offset + core->blocksize)) {
delta = addr - core->offset;
} else {
r_core_seek (core, addr, R_TRUE);
}
#endif
}
if (((addr&7)==0) && ((addr&(7<<3))==0))
eprintf ("0x%08"PFMT64x"\r", addr);
if (file) {
if (*file == ' ') file++;
if (!*file) file = NULL;
}
if (ck==NULL) {
// TODO: Move RMagic into RCore
r_magic_free (ck);
// allocate once
ck = r_magic_new (0);
if (file) {
if (r_magic_load (ck, file) == -1) {
eprintf ("failed r_magic_load (\"%s\") %s\n", file, r_magic_error (ck));
return -1;
}
} else {
const char *magicpath = r_config_get (core->config, "dir.magic");
if (r_magic_load (ck, magicpath) == -1) {
eprintf ("failed r_magic_load (dir.magic) %s\n", r_magic_error (ck));
return -1;
}
}
}
//repeat:
//if (v) r_cons_printf (" %d # pm %s @ 0x%"PFMT64x"\n", depth, file? file: "", addr);
str = r_magic_buffer (ck, core->block+delta, core->blocksize-delta);
if (str) {
if (!v && !strcmp (str, "data")) {
r_magic_free (ck);
ck = NULL;
return -1;
}
p = strdup (str);
fmt = p;
// processing newlinez
for (q=p; *q; q++)
if (q[0]=='\\' && q[1]=='n') {
*q = '\n';
strcpy (q+1, q+((q[2]==' ')? 3: 2));
}
if (cmdhit && *cmdhit) {
r_core_cmd0 (core, cmdhit);
}
// TODO: This must be a callback .. move this into RSearch?
r_cons_printf ("0x%08"PFMT64x" %d %s\n", addr + adelta, magicdepth-depth, p);
r_cons_clear_line (1);
eprintf ("0x%08"PFMT64x" 0x%08"PFMT64x" %d %s\n",
addr+adelta, addr+adelta, magicdepth-depth, p);
// walking children
for (q=p; *q; q++) {
switch (*q) {
case ' ':
fmt = q+1;
break;
case '@':
{
ut64 addr = 0LL;
*q = 0;
if (!memcmp (q+1, "0x", 2))
sscanf (q+3, "%"PFMT64x, &addr);
else sscanf (q+1, "%"PFMT64d, &addr);
if (!fmt || !*fmt) fmt = file;
r_core_magic_at (core, fmt, addr, depth, 1);
*q = '@';
}
break;
}
}
free (p);
r_magic_free (ck);
ck = NULL;
found ++;
// return adelta+1;
}
adelta ++;
delta ++;
#if 0
if((core->blocksize-delta)>16)
goto repeat;
#endif
#if 0
r_magic_free (ck);
ck = NULL;
#endif
return adelta; //found;
}
R_API int r_core_visual_cmd(RCore *core, int ch) {
RAsmOp op;
char buf[4096];
int i, ret, offscreen, cols = core->print->cols;
ch = r_cons_arrow_to_hjkl (ch);
ch = visual_nkey (core, ch);
if (ch<2) return 1;
// do we need hotkeys for data references? not only calls?
if (ch>='0'&& ch<='9') {
r_io_sundo_push (core->io, core->offset);
r_core_seek (core, core->asmqjmps[ch-'0'], 1);
r_core_block_read (core, 1);
} else
switch (ch) {
case 9: // tab
{ // XXX: unify diff mode detection
ut64 f = r_config_get_i (core->config, "diff.from");
ut64 t = r_config_get_i (core->config, "diff.to");
if (f == t && f == 0) {
core->print->col = core->print->col==1? 2: 1;
} else {
ut64 delta = core->offset - f;
r_core_seek (core, t+delta, 1);
r_config_set_i (core->config, "diff.from", t);
r_config_set_i (core->config, "diff.to", f);
}
}
break;
case 'c':
// XXX dupped flag imho
setcursor (core, curset ^ 1);
break;
case 'd':
r_core_visual_define (core);
break;
case 'D':
setdiff (core);
break;
case 'C':
color ^= 1;
if (color) flags |= R_PRINT_FLAGS_COLOR;
else flags &= ~(flags&R_PRINT_FLAGS_COLOR);
r_config_set_i (core->config, "scr.color", color);
r_print_set_flags (core->print, flags);
break;
case 'f':
{
int range;
char name[256], *n;
r_line_set_prompt ("flag name: ");
if (r_cons_fgets (name, sizeof (name), 0, NULL) >=0 && *name) {
n = r_str_chop (name);
if (*name=='-') {
if (*n) r_flag_unset (core->flags, n+1, NULL);
} else {
range = curset? (R_ABS (cursor-ocursor)+1): 1;
if (range<1) range = 1;
if (*n) r_flag_set (core->flags, n,
core->offset + cursor, range, 1);
}
} }
break;
case 'F':
r_flag_unset_i (core->flags, core->offset + cursor, NULL);
break;
case 'n':
r_core_seek_next (core, r_config_get (core->config, "scr.nkey"));
break;
case 'N':
r_core_seek_previous (core, r_config_get (core->config, "scr.nkey"));
break;
case 'A':
{ int oc = curset;
ut64 off = curset? core->offset+cursor : core->offset;
curset = 0;
r_core_visual_asm (core, off);
curset = oc;
}
break;
case 'a':
if (core->file && !(core->file->rwx & 2)) {
r_cons_printf ("\nFile has been opened in read-only mode. Use -w flag\n");
r_cons_any_key ();
return R_TRUE;
}
r_cons_printf ("Enter assembler opcodes separated with ';':\n");
r_cons_show_cursor (R_TRUE);
r_cons_flush ();
r_cons_set_raw (R_FALSE);
strcpy (buf, "wa ");
r_line_set_prompt (":> ");
if (r_cons_fgets (buf+3, 1000, 0, NULL) <0) buf[0]='\0';
if (*buf) {
if (curset) r_core_seek (core, core->offset + cursor, 0);
r_core_cmd (core, buf, R_TRUE);
if (curset) r_core_seek (core, core->offset - cursor, 1);
}
r_cons_show_cursor (R_FALSE);
r_cons_set_raw (R_TRUE);
break;
case 'i':
case 'I':
if (core->file && !(core->file->rwx & 2)) {
r_cons_printf ("\nFile has been opened in read-only mode. Use -w flag\n");
r_cons_any_key ();
return R_TRUE;
}
r_cons_show_cursor (R_TRUE);
r_cons_flush ();
r_cons_set_raw (0);
if (ch=='I') {
strcpy (buf, "wow ");
r_line_set_prompt ("insert hexpair block: ");
if (r_cons_fgets (buf+4, sizeof (buf)-3, 0, NULL) <0)
buf[0]='\0';
char *p = strdup (buf);
int cur = core->print->cur;
if (cur>=core->blocksize)
cur = core->print->cur-1;
snprintf (buf, sizeof (buf), "%s @ $$0!%i", p,
core->blocksize-cursor);
r_core_cmd (core, buf, 0);
free (p);
break;
}
if (core->print->col==2) {
strcpy (buf, "w ");
r_line_set_prompt ("insert string: ");
if (r_cons_fgets (buf+2, sizeof (buf)-3, 0, NULL) <0)
buf[0]='\0';
} else {
strcpy (buf, "wx ");
r_line_set_prompt ("insert hex: ");
if (r_cons_fgets (buf+3, sizeof (buf)-4, 0, NULL) <0)
buf[0]='\0';
}
if (curset) r_core_seek (core, core->offset + cursor, 0);
r_core_cmd (core, buf, 1);
if (curset) r_core_seek (core, core->offset - cursor, 1);
r_cons_set_raw (1);
r_cons_show_cursor (R_FALSE);
break;
case 'e':
r_core_visual_config (core);
break;
case 'M':
r_core_visual_mounts (core);
break;
case 't':
r_core_visual_trackflags (core);
break;
case 'x':
{
int count = 0;
RList *xrefs = NULL;
RAnalRef *refi;
RListIter *iter;
RAnalFunction *fun;
if ((xrefs = r_anal_xref_get (core->anal, core->offset))) {
r_cons_printf ("XREFS:\n");
if (r_list_empty (xrefs)) {
r_cons_printf ("\tNo XREF found at 0x%"PFMT64x"\n", core->offset);
r_cons_any_key ();
r_cons_clear00 ();
} else {
r_list_foreach (xrefs, iter, refi) {
fun = r_anal_fcn_find (core->anal, refi->addr, R_ANAL_FCN_TYPE_NULL);
r_cons_printf ("\t[%i] %s XREF 0x%08"PFMT64x" (%s)\n", count,
refi->type==R_ANAL_REF_TYPE_CODE?"CODE (JMP)":
refi->type==R_ANAL_REF_TYPE_CALL?"CODE (CALL)":"DATA", refi->addr,
fun?fun->name:"unk");
if (++count > 9) break;
}
}
} else xrefs = NULL;
static int cmd_seek(void *data, const char *input) {
RCore *core = (RCore *)data;
char *cmd, *p;
ut64 off;
if (*input=='r') {
if (input[1] && input[2]) {
if (core->io->debug) {
off = r_debug_reg_get (core->dbg, input+2);
r_io_sundo_push (core->io, core->offset);
r_core_seek (core, off, 1);
} else {
RReg *orig = core->dbg->reg;
core->dbg->reg = core->anal->reg;
off = r_debug_reg_get (core->dbg, input+2);
core->dbg->reg = orig;
r_core_seek (core, off, 1);
}
} else eprintf ("|Usage| 'sr pc' seek to program counter register\n");
} else
if (*input) {
const char *inputnum = strchr (input+1, ' ');
int sign = 1;
inputnum = inputnum? inputnum+1: input+1;
off = r_num_math (core->num, inputnum);
if (*inputnum== '-') off = -off;
#if 0
if (input[0]!='/' && inputnum && isalpha (inputnum[0]) && off == 0) {
if (!r_flag_get (core->flags, inputnum)) {
eprintf ("Cannot find address for '%s'\n", inputnum);
return R_FALSE;
}
}
#endif
if (input[0]==' ') {
switch (input[1]) {
case '-': sign=-1;
case '+': input++; break;
}
}
switch (*input) {
case 'C':
if (input[1]=='*') {
r_core_cmd0 (core, "C*~^\"CC");
} else
if (input[1]==' ') {
typedef struct {
ut64 addr;
char *str;
} MetaCallback;
int count = 0;
MetaCallback cb = { 0, NULL };
ut64 addr;
char key[128];
const char *val, *comma;
char *list = sdb_get (core->anal->sdb_meta, "meta.C", 0);
char *str, *next, *cur = list;
if (list) {
for (;;) {
cur = sdb_anext (cur, &next);
addr = sdb_atoi (cur);
snprintf (key, sizeof (key)-1, "meta.C.0x%"PFMT64x, addr);
val = sdb_const_get (core->anal->sdb_meta, key, 0);
if (val) {
comma = strchr (val, ',');
if (comma) {
str = (char *)sdb_decode (comma+1, 0);
if (strstr (str, input+2)) {
r_cons_printf ("0x%08"PFMT64x" %s\n", addr, str);
count++;
cb.addr = addr;
free (cb.str);
cb.str = str;
} else free (str);
}
} else eprintf ("sdb_const_get key not found '%s'\n", key);
if (!next)
break;
cur = next;
}
}
switch (count) {
case 0:
eprintf ("No matching comments\n");
break;
case 1:
off = cb.addr;
r_io_sundo_push (core->io, core->offset);
r_core_seek (core, off, 1);
r_core_block_read (core, 0);
break;
default:
eprintf ("Too many results\n");
break;
}
free (cb.str);
} else eprintf ("Usage: sC[?*] comment-grep\n"
"sC* list all comments\n"
"sC const seek to comment matching 'const'\n");
break;
case ' ':
r_io_sundo_push (core->io, core->offset);
r_core_seek (core, off*sign, 1);
r_core_block_read (core, 0);
break;
case '/':
{
const char *pfx = r_config_get (core->config, "search.prefix");
//kwidx cfg var is ignored
int kwidx = core->search->n_kws; //(int)r_config_get_i (core->config, "search.kwidx")-1;
if (kwidx<0) kwidx = 0;
switch (input[1]) {
case ' ':
case 'x':
r_config_set_i (core->config, "search.count", 1);
r_core_cmdf (core, "s+1; p8 ; .%s;s-1;s %s%d_0;f-%s%d_0",
input, pfx, kwidx, pfx, kwidx, pfx, kwidx);
r_config_set_i (core->config, "search.count", 0);
break;
default:
eprintf ("unknown search method\n");
break;
}
}
break;
case '.':
for (input++;*input=='.';input++);
r_core_seek_base (core, input);
break;
case '*':
r_io_sundo_list (core->io);
break;
case '+':
if (input[1]!='\0') {
int delta = (input[1]=='+')? core->blocksize: off;
r_io_sundo_push (core->io, core->offset);
r_core_seek_delta (core, delta);
} else {
off = r_io_sundo_redo (core->io);
if (off != UT64_MAX)
r_core_seek (core, off, 0);
}
break;
case '-':
if (input[1]!='\0') {
int delta = (input[1]=='-') ? -core->blocksize: -off;
r_io_sundo_push (core->io, core->offset);
r_core_seek_delta (core, delta);
} else {
off = r_io_sundo (core->io, core->offset);
if (off != UT64_MAX)
r_core_seek (core, off, 0);
}
break;
case 'n':
r_io_sundo_push (core->io, core->offset);
r_core_seek_next (core, r_config_get (core->config, "scr.nkey"));
break;
case 'p':
r_io_sundo_push (core->io, core->offset);
r_core_seek_previous (core, r_config_get (core->config, "scr.nkey"));
break;
case 'a':
off = core->blocksize;
if (input[1]&&input[2]) {
cmd = strdup (input);
p = strchr (cmd+2, ' ');
if (p) {
off = r_num_math (core->num, p+1);;
*p = '\0';
}
cmd[0] = 's';
// perform real seek if provided
r_cmd_call (core->rcmd, cmd);
free (cmd);
}
r_io_sundo_push (core->io, core->offset);
r_core_seek_align (core, off, 0);
break;
case 'b':
if (off == 0)
off = core->offset;
r_io_sundo_push (core->io, core->offset);
r_core_anal_bb_seek (core, off);
break;
case 'f':
if (strlen(input) > 2 && input[1]==' ') {
RAnalFunction *fcn = r_anal_fcn_find_name (core->anal, input+2);
if (fcn) {
r_core_seek (core, fcn->addr, 1);
}
break;
}
RAnalFunction *fcn = r_anal_fcn_find (core->anal, core->offset, 0);
if (fcn) {
r_core_seek (core, fcn->addr+fcn->size, 1);
}
break;
case 'o':
{
RAnalOp op;
int val=0, ret, i, n = r_num_math (core->num, input+1);
if (n==0) n = 1;
if (n<0) {
int ret = prevopsz (core, n);
ret = r_anal_op (core->anal, &op,
core->offset, core->block, core->blocksize);
val += ret;
} else
for (val=i=0; i<n; i++) {
ret = r_anal_op (core->anal, &op,
core->offset, core->block, core->blocksize);
if (ret<1)
break;
r_core_seek_delta (core, ret);
val += ret;
}
core->num->value = val;
}
break;
case 'g':
{
RIOSection *s = r_io_section_vget (core->io, core->offset);
if (s) r_core_seek (core, s->vaddr, 1);
else r_core_seek (core, 0, 1);
}
break;
case 'G':
{
RIOSection *s = r_io_section_vget (core->io, core->offset);
// XXX: this +2 is a hack. must fix gap between sections
if (s) r_core_seek (core, s->vaddr+s->size+2, 1);
else r_core_seek (core, core->file->size, 1);
}
break;
case '?': {
const char * help_message[] = {
"Usage: s", "", " # Seek commands",
"s", "", "Print current address",
"s", " addr", "Seek to address",
"s-", "", "Undo seek",
"s-", " n", "Seek n bytes backward",
"s--", "", "Seek blocksize bytes backward",
"s+", "", "Redo seek",
"s+", " n", "Seek n bytes forward",
"s++", "", "Seek blocksize bytes forward",
"s*", "", "List undo seek history",
"s/", " DATA", "Search for next occurrence of 'DATA'",
"s/x", " 9091", "Search for next occurrence of \\x90\\x91",
"s.", "hexoff", "Seek honoring a base from core->offset",
"sa", " [[+-]a] [asz]", "Seek asz (or bsize) aligned to addr",
"sb", "", "Seek aligned to bb start",
"sC", " string", "Seek to comment matching given string",
"sf", "", "Seek to next function (f->addr+f->size)",
"sf", " function", "Seek to address of specified function",
"sg/sG", "", "Seek begin (sg) or end (sG) of section or file",
"sn/sp", "", "Seek next/prev scr.nkey",
"so", " [N]", "Seek to N next opcode(s)",
"sr", " pc", "Seek to register",
//"sp [page] seek page N (page = block)",
NULL
};
r_core_cmd_help(core, help_message);
}
break;
}
} else r_cons_printf ("0x%"PFMT64x"\n", core->offset);
return 0;
}
/* TODO: simplify using r_write */
static int cmd_write(void *data, const char *input) {
int wseek, i, size, len = strlen (input);
RCore *core = (RCore *)data;
char *tmp, *str, *ostr;
const char *arg, *filename;
char _fn[32];
ut64 off;
ut8 *buf;
st64 num = 0;
const char* help_msg[] = {
"Usage:","w[x] [str] [<file] [<<EOF] [@addr]","",
"w","[1248][+-][n]","increment/decrement byte,word..",
"w"," foobar","write string 'foobar'",
"w0"," [len]","write 'len' bytes with value 0x00",
"w6","[de] base64/hex","write base64 [d]ecoded or [e]ncoded string",
"wa"," push ebp","write opcode, separated by ';' (use '\"' around the command)",
"waf"," file","assemble file and write bytes",
"wA"," r 0","alter/modify opcode at current seek (see wA?)",
"wb"," 010203","fill current block with cyclic hexpairs",
"wB","[-]0xVALUE","set or unset bits with given value",
"wc","","list all write changes",
"wc","[ir*?]","write cache undo/commit/reset/list (io.cache)",
"wd"," [off] [n]","duplicate N bytes from offset at current seek (memcpy) (see y?)",
"we","[nNsxX] [arg]","extend write operations (insert instead of replace)",
"wf"," -|file","write contents of file at current offset",
"wF"," -|file","write contents of hexpairs file here",
"wh"," r2","whereis/which shell command",
"wm"," f0ff","set binary mask hexpair to be used as cyclic write mask",
"wo?"," hex","write in block with operation. 'wo?' fmi",
"wp"," -|file","apply radare patch file. See wp? fmi",
"wr"," 10","write 10 random bytes",
"ws"," pstring","write 1 byte for length and then the string",
"wt"," file [sz]","write to file (from current seek, blocksize or sz bytes)",
"ww"," foobar","write wide string 'f\\x00o\\x00o\\x00b\\x00a\\x00r\\x00'",
"wx"," 9090","write two intel nops",
"wv"," eip+34","write 32-64 bit value",
NULL
};
if (!input)
return 0;
#define WSEEK(x,y) if (wseek)r_core_seek_delta (x,y)
wseek = r_config_get_i (core->config, "cfg.wseek");
str = ostr = strdup ((input&&*input)?input+1:"");
_fn[0] = 0;
switch (*input) {
case 'B':
switch (input[1]) {
case ' ':
cmd_write_bits (core, 1, r_num_math (core->num, input+2));
break;
case '-':
cmd_write_bits (core, 0, r_num_math (core->num, input+2));
break;
default:
eprintf ("Usage: wB 0x2000 # or wB-0x2000\n");
break;
}
break;
case '0':
{
ut64 len = r_num_math (core->num, input+1);
if (len>0) {
ut8 *buf = calloc (1, len);
if (buf) {
r_io_write (core->io, buf, len);
free (buf);
} else eprintf ("Cannot allocate %d bytes\n", (int)len);
}
}
break;
case '1':
case '2':
case '4':
case '8':
if (input[1] && input[2]) {
if (input[1]==input[2]) {
num = 1;
} else num = r_num_math (core->num, input+2);
}
switch (input[2] ? input[1] : 0) {
case '+':
cmd_write_inc (core, *input-'0', num);
break;
case '-':
cmd_write_inc (core, *input-'0', -num);
break;
default:
eprintf ("Usage: w[1248][+-][num] # inc/dec byte/word/..\n");
}
break;
case '6':
{
int fail = 0;
if(input[1] && input[2] != ' ') {
fail = 1;
}
ut8 *buf;
int len, str_len;
const char *str;
if (input[1] && input[2] && input[3])
str = input + 3;
else str = "";
str_len = strlen (str) + 1;
if (!fail) {
switch (input[1]) {
case 'd':
buf = malloc (str_len);
len = r_base64_decode (buf, str, 0);
if(len == 0) {
free(buf);
fail = 1;
}
break;
case 'e':
{
ut8 *bin_buf = malloc(str_len);
int bin_len = r_hex_str2bin(str, bin_buf);
if(bin_len == 0) {
fail = 1;
} else {
buf = malloc(str_len * 4 + 1);
len = r_base64_encode((char *)buf, bin_buf, bin_len);
if(len == 0) {
free(buf);
fail = 1;
}
}
free (bin_buf);
break;
}
default:
fail = 1;
break;
}
}
if(!fail) {
r_core_write_at (core, core->offset, buf, len);
WSEEK (core, len);
r_core_block_read (core, 0);
free(buf);
} else {
eprintf ("Usage: w6[de] base64/hex\n");
}
break;
}
case 'h':
{
char *p = strchr (input, ' ');
if (p) {
while (*p==' ') p++;
p = r_file_path (p);
if (p) {
r_cons_printf ("%s\n", p);
free (p);
}
}
}
break;
case 'e':
{
ut64 addr = 0, len = 0, b_size = 0;
st64 dist = 0;
ut8* bytes = NULL;
int cmd_suc = R_FALSE;
char *input_shadow = NULL, *p = NULL;
switch (input[1]) {
case 'n':
if (input[2] == ' ') {
len = *input ? r_num_math (
core->num, input+3) : 0;
if (len > 0){
ut64 cur_off = core->offset;
cmd_suc = r_core_extend_at (core, core->offset, len);
core->offset = cur_off;
r_core_block_read (core, 0);
}
}
break;
case 'N':
if (input[2] == ' ') {
input += 3;
while (*input && *input == ' ') input++;
addr = r_num_math (core->num, input);
while (*input && *input != ' ') input++;
input++;
len = *input ? r_num_math (core->num, input) : 0;
if (len > 0){
ut64 cur_off = core->offset;
cmd_suc = r_core_extend_at (core, addr, len);
cmd_suc = r_core_seek (core, cur_off, 1);
core->offset = addr;
r_core_block_read (core, 0);
}
}
break;
case 'x':
if (input[2] == ' ') {
input+=2;
len = *input ? strlen (input) : 0;
bytes = len > 1? malloc (len+1) : NULL;
len = bytes ? r_hex_str2bin (input, bytes) : 0;
if (len > 0) {
ut64 cur_off = core->offset;
cmd_suc = r_core_extend_at (core, cur_off, len);
if (cmd_suc) {
r_core_write_at (core, cur_off, bytes, len);
}
core->offset = cur_off;
r_core_block_read (core, 0);
}
free (bytes);
}
break;
case 'X':
if (input[2] == ' ') {
addr = r_num_math (core->num, input+3);
input += 3;
while (*input && *input != ' ') input++;
input++;
len = *input ? strlen (input) : 0;
bytes = len > 1? malloc (len+1) : NULL;
len = bytes ? r_hex_str2bin (input, bytes) : 0;
if (len > 0) {
//ut64 cur_off = core->offset;
cmd_suc = r_core_extend_at (core, addr, len);
if (cmd_suc) {
r_core_write_at (core, addr, bytes, len);
}
core->offset = addr;
r_core_block_read (core, 0);
}
free (bytes);
}
break;
case 's':
input += 3;
while (*input && *input == ' ') input++;
len = strlen (input);
input_shadow = len > 0? malloc (len+1): 0;
// since the distance can be negative,
// the r_num_math will perform an unwanted operation
// the solution is to tokenize the string :/
if (input_shadow) {
strncpy (input_shadow, input, len+1);
p = strtok (input_shadow, " ");
addr = p && *p ? r_num_math (core->num, p) : 0;
p = strtok (NULL, " ");
dist = p && *p ? r_num_math (core->num, p) : 0;
p = strtok (NULL, " ");
b_size = p && *p ? r_num_math (core->num, p) : 0;
if (dist != 0){
r_core_shift_block (core, addr, b_size, dist);
r_core_seek (core, addr, 1);
cmd_suc = R_TRUE;
}
}
free (input_shadow);
break;
case '?':
default:
cmd_suc = R_FALSE;
}
if (cmd_suc == R_FALSE) {
r_cons_printf ("|Usage: write extend\n"
"wen <num> insert num null bytes at current offset\n"
"wex <hex_bytes> insert bytes at current offset\n"
"weN <addr> <len> insert bytes at address\n"
"weX <addr> <hex_bytes> insert bytes at address\n"
"wes <addr> <dist> <block_size> shift a blocksize left or write in the editor\n"
);
}
}
break;
case 'p':
if (input[1]=='-' || (input[1]==' ' && input[2]=='-')) {
char *out = r_core_editor (core, NULL, NULL);
if (out) {
r_core_patch (core, out);
free (out);
}
} else {
if (input[1]==' ' && input[2]) {
char *data = r_file_slurp (input+2, NULL);
if (data) {
r_core_patch (core, data);
free (data);
}
} else {
eprintf ("Usage: wp [-|r2patch-file]\n"
"TODO: rapatch format documentation here\n");
}
}
break;
case 'u':
// TODO: implement it in an API RCore.write_unified_hexpatch() is ETOOLONG
if (input[1]==' ') {
char *data = r_file_slurp (input+2, NULL);
if (data) {
char sign = ' ';
int line = 0, offs = 0, hexa = 0;
int newline = 1;
for (i=0; data[i]; i++) {
switch (data[i]) {
case '+':
if (newline)
sign = 1;
break;
case '-':
if (newline) {
sign = 0;
offs = i + ((data[i+1]==' ')?2:1);
}
break;
case ' ':
data[i] = 0;
if (sign) {
if (!line) line = i+1;
else
if (!hexa) hexa = i+1;
}
break;
case '\r':
break;
case '\n':
newline = 1;
if (sign == -1) {
offs = 0;
line = 0;
hexa = 0;
} else if (sign) {
if (offs && hexa) {
r_cons_printf ("wx %s @ %s\n", data+hexa, data+offs);
} else eprintf ("food\n");
offs = 0;
line = 0;
} else hexa = 0;
sign = -1;
continue;
}
newline = 0;
}
free (data);
}
} else {
eprintf ("|Usage: wu [unified-diff-patch] # see 'cu'\n");
}
break;
case 'r':
off = r_num_math (core->num, input+1);
len = (int)off;
if (len>0) {
buf = malloc (len);
if (buf != NULL) {
r_num_irand ();
for (i=0; i<len; i++)
buf[i] = r_num_rand (256);
r_core_write_at (core, core->offset, buf, len);
WSEEK (core, len);
free (buf);
} else eprintf ("Cannot allocate %d bytes\n", len);
}
break;
case 'A':
switch (input[1]) {
case ' ':
if (input[2] && input[3]==' ') {
r_asm_set_pc (core->assembler, core->offset);
eprintf ("modify (%c)=%s\n", input[2], input+4);
len = r_asm_modify (core->assembler, core->block, input[2],
r_num_math (core->num, input+4));
eprintf ("len=%d\n", len);
if (len>0) {
r_core_write_at (core, core->offset, core->block, len);
WSEEK (core, len);
} else eprintf ("r_asm_modify = %d\n", len);
} else eprintf ("Usage: wA [type] [value]\n");
break;
case '?':
default:
r_cons_printf ("|Usage: wA [type] [value]\n"
"|Types:\n"
"| r raw write value\n"
"| v set value (taking care of current address)\n"
"| d destination register\n"
"| 0 1st src register\n"
"| 1 2nd src register\n"
"|Example: wA r 0 # e800000000\n");
break;
}
break;
case 'c':
switch (input[1]) {
case 'i':
r_io_cache_commit (core->io, 0, UT64_MAX);
r_core_block_read (core, 0);
break;
case 'r':
r_io_cache_reset (core->io, R_TRUE);
/* Before loading the core block we have to make sure that if
* the cache wrote past the original EOF these changes are no
* longer displayed. */
memset (core->block, 0xff, core->blocksize);
r_core_block_read (core, 0);
break;
case '+':
if (input[2]=='*') {
//r_io_cache_reset (core->io, R_TRUE);
eprintf ("TODO\n");
} else if (input[2]==' ') {
char *p = strchr (input+3, ' ');
ut64 to, from = core->offset;
if (p) {
*p = 0;
from = r_num_math (core->num, input+3);
to = r_num_math (core->num, input+3);
if (to<from) {
eprintf ("Invalid range (from>to)\n");
return 0;
}
} else {
from = r_num_math (core->num, input+3);
to = from + core->blocksize;
}
r_io_cache_commit (core->io, from, to);
} else {
eprintf ("Invalidate write cache at 0x%08"PFMT64x"\n", core->offset);
r_io_cache_commit (core->io, core->offset, core->offset+1);
}
break;
case '-':
if (input[2]=='*') {
r_io_cache_reset (core->io, R_TRUE);
} else if (input[2]==' ') {
char *p = strchr (input+3, ' ');
ut64 to, from = core->offset;
if (p) {
*p = 0;
from = r_num_math (core->num, input+3);
to = r_num_math (core->num, input+3);
if (to<from) {
eprintf ("Invalid range (from>to)\n");
return 0;
}
} else {
from = r_num_math (core->num, input+3);
to = from + core->blocksize;
}
r_io_cache_invalidate (core->io, from, to);
} else {
eprintf ("Invalidate write cache at 0x%08"PFMT64x"\n", core->offset);
r_io_cache_invalidate (core->io, core->offset, core->offset+core->blocksize);
}
/* See 'r' above. */
memset (core->block, 0xff, core->blocksize);
r_core_block_read (core, 0);
break;
case '?':
{
const char* help_msg[] = {
"Usage:", "wc[ir+-*?]"," # NOTE: Uses io.cache=true",
"wc","","list all write changes",
"wc-"," [from] [to]","remove write op at curseek or given addr",
"wc+"," [addr]","commit change from cache to io",
"wc*","","\"\" in radare commands",
"wcr","","reset all write changes in cache",
"wci","","commit write cache",
NULL
};
r_core_cmd_help(core, help_msg);
}
break;
case '*':
r_io_cache_list (core->io, R_TRUE);
break;
case '\0':
//if (!r_config_get_i (core->config, "io.cache"))
// eprintf ("[warning] e io.cache must be true\n");
r_io_cache_list (core->io, R_FALSE);
break;
}
break;
case ' ':
/* write string */
len = r_str_unescape (str);
r_core_write_at (core, core->offset, (const ut8*)str, len);
#if 0
r_io_use_desc (core->io, core->file->desc);
r_io_write_at (core->io, core->offset, (const ut8*)str, len);
#endif
WSEEK (core, len);
r_core_block_read (core, 0);
break;
case 't': // "wt"
if (*str == '?' || *str == '\0') {
eprintf ("Usage: wt[a] file [size] write 'size' bytes in current block to file\n");
free (ostr);
return 0;
} else {
int append = 0;
st64 sz = core->blocksize;
if (*str=='a') { // "wta"
append = 1;
str++;
if (str[0]==' ') {
filename = str+1;
} else {
const char* prefix = r_config_get (core->config, "cfg.prefixdump");
snprintf (_fn, sizeof (_fn), "%s.0x%08"PFMT64x, prefix, core->offset);
filename = _fn;
}
} else if (*str != ' ') {
const char* prefix = r_config_get (core->config, "cfg.prefixdump");
snprintf(_fn, sizeof(_fn), "%s.0x%08"PFMT64x, prefix, core->offset);
filename = _fn;
} else filename = str+1;
tmp = strchr (str+1, ' ');
if (tmp) {
sz = (st64) r_num_math (core->num, tmp+1);
if (!sz) {
sz = core->blocksize;
}
*tmp = 0;
if (sz<1) eprintf ("Invalid length\n");
else r_core_dump (core, filename, core->offset, (ut64)sz, append);
} else {
if (!r_file_dump (filename, core->block, core->blocksize, append)) {
sz = 0;
} else sz = core->blocksize;
}
eprintf ("Dumped %"PFMT64d" bytes from 0x%08"PFMT64x" into %s\n",
sz, core->offset, filename);
}
break;
case 'f':
arg = (const char *)(input+((input[1]==' ')?2:1));
if (!strcmp (arg, "-")) {
char *out = r_core_editor (core, NULL, NULL);
if (out) {
r_io_write_at (core->io, core->offset,
(ut8*)out, strlen (out));
free (out);
}
} else
if ((buf = (ut8*) r_file_slurp (arg, &size))) {
r_io_use_desc (core->io, core->file->desc);
r_io_write_at (core->io, core->offset, buf, size);
WSEEK (core, size);
free (buf);
r_core_block_read (core, 0);
} else eprintf ("Cannot open file '%s'\n", arg);
break;
case 'F':
arg = (const char *)(input+((input[1]==' ')?2:1));
if (!strcmp (arg, "-")) {
int len;
ut8 *out;
char *in = r_core_editor (core, NULL, NULL);
if (in) {
out = (ut8 *)strdup (in);
if (out) {
len = r_hex_str2bin (in, out);
if (len>0)
r_io_write_at (core->io, core->offset, out, len);
free (out);
}
free (in);
}
} else
if ((buf = r_file_slurp_hexpairs (arg, &size))) {
r_io_use_desc (core->io, core->file->desc);
r_io_write_at (core->io, core->offset, buf, size);
WSEEK (core, size);
free (buf);
r_core_block_read (core, 0);
} else eprintf ("Cannot open file '%s'\n", arg);
break;
case 'w':
str++;
len = (len-1)<<1;
if (len>0) tmp = malloc (len+1);
else tmp = NULL;
if (tmp) {
for (i=0; i<len; i++) {
if (i%2) tmp[i] = 0;
else tmp[i] = str[i>>1];
}
str = tmp;
r_io_use_desc (core->io, core->file->desc);
r_io_write_at (core->io, core->offset, (const ut8*)str, len);
WSEEK (core, len);
r_core_block_read (core, 0);
free (tmp);
} else eprintf ("Cannot malloc %d\n", len);
break;
case 'x':
{
int b, len = strlen (input);
ut8 *buf = malloc (len+1);
len = r_hex_str2bin (input+1, buf);
if (len != 0) {
if (len<0) len = -len+1;
if (len<core->blocksize) {
b = core->block[len]&0xf;
b |= (buf[len]&0xf0);
} else b = buf[len];
buf[len] = b;
r_core_write_at (core, core->offset, buf, len);
WSEEK (core, len);
r_core_block_read (core, 0);
} else eprintf ("Error: invalid hexpair string\n");
free (buf);
}
break;
case 'a':
switch (input[1]) {
case 'o':
if (input[2] == ' ')
r_core_hack (core, input+3);
else r_core_hack_help (core);
break;
case ' ':
case '*':
{ const char *file = input[1]=='*'? input+2: input+1;
RAsmCode *acode;
r_asm_set_pc (core->assembler, core->offset);
acode = r_asm_massemble (core->assembler, file);
if (acode) {
if (input[1]=='*') {
r_cons_printf ("wx %s\n", acode->buf_hex);
} else {
if (r_config_get_i (core->config, "scr.prompt"))
eprintf ("Written %d bytes (%s) = wx %s\n", acode->len, input+2, acode->buf_hex);
r_core_write_at (core, core->offset, acode->buf, acode->len);
WSEEK (core, acode->len);
r_core_block_read (core, 0);
}
r_asm_code_free (acode);
}
} break;
case 'f':
if ((input[2]==' '||input[2]=='*')) {
const char *file = input[2]=='*'? input+4: input+3;
RAsmCode *acode;
r_asm_set_pc (core->assembler, core->offset);
acode = r_asm_assemble_file (core->assembler, file);
if (acode) {
if (input[2]=='*') {
r_cons_printf ("wx %s\n", acode->buf_hex);
} else {
if (r_config_get_i (core->config, "scr.prompt"))
eprintf ("Written %d bytes (%s)=wx %s\n", acode->len, input+1, acode->buf_hex);
r_core_write_at (core, core->offset, acode->buf, acode->len);
WSEEK (core, acode->len);
r_core_block_read (core, 0);
}
r_asm_code_free (acode);
} else eprintf ("Cannot assemble file\n");
} else eprintf ("Wrong argument\n");
break;
default:
r_cons_printf ("|Usage: wa[of*] [arg]\n"
"| wa nop : write nopcode using asm.arch and asm.bits\n"
"| wa* mov eax, 33 : show 'wx' op with hexpair bytes of assembled opcode\n"
"| \"wa nop;nop\" : assemble more than one instruction (note the quotes)\n"
"| waf foo.asm : assemble file and write bytes\n"
"| wao nop : convert current opcode into nops\n"
"| wao? : show help for assembler operation on current opcode (hack)\n");
break;
}
break;
case 'b':
{
int len = strlen (input);
ut8 *buf = malloc (len+1);
if (buf) {
len = r_hex_str2bin (input+1, buf);
if (len > 0) {
r_mem_copyloop (core->block, buf, core->blocksize, len);
r_core_write_at (core, core->offset, core->block, core->blocksize);
WSEEK (core, core->blocksize);
r_core_block_read (core, 0);
} else eprintf ("Wrong argument\n");
free (buf);
} else eprintf ("Cannot malloc %d\n", len+1);
}
break;
case 'm':
size = r_hex_str2bin (input+1, (ut8*)str);
switch (input[1]) {
case '\0':
eprintf ("Current write mask: TODO\n");
// TODO
break;
case '?':
break;
case '-':
r_io_set_write_mask (core->io, 0, 0);
eprintf ("Write mask disabled\n");
break;
case ' ':
if (size>0) {
r_io_use_desc (core->io, core->file->desc);
r_io_set_write_mask (core->io, (const ut8*)str, size);
WSEEK (core, size);
eprintf ("Write mask set to '");
for (i=0; i<size; i++)
eprintf ("%02x", str[i]);
eprintf ("'\n");
} else eprintf ("Invalid string\n");
break;
}
break;
case 'v':
cmd_write_value (core, input);
break;
case 'o':
cmd_write_op (core, input);
break;
case 'd':
if (input[1] && input[1]==' ') {
char *arg, *inp = strdup (input+2);
arg = strchr (inp, ' ');
if (arg) {
*arg = 0;
ut64 addr = r_num_math (core->num, input+2);
ut64 len = r_num_math (core->num, arg+1);
ut8 *data = malloc (len);
r_io_read_at (core->io, addr, data, len);
r_io_write_at (core->io, core->offset, data, len);
free (data);
} else eprintf ("See wd?\n");
free (inp);
} else eprintf ("Usage: wd [source-offset] [length] @ [dest-offset]\n");
break;
case 's':
if (str && *str && str[1]) {
len = r_str_unescape (str+1);
if (len>255) {
eprintf ("Too large\n");
} else {
ut8 ulen = (ut8)len;
r_core_write_at (core, core->offset, &ulen, 1);
r_core_write_at (core, core->offset+1, (const ut8*)str+1, len);
WSEEK (core, len);
r_core_block_read (core, 0);
}
} else eprintf ("Too short.\n");
break;
default:
case '?':
if (core->oobi) {
eprintf ("Writing oobi buffer!\n");
r_io_use_desc (core->io, core->file->desc);
r_io_write (core->io, core->oobi, core->oobi_len);
WSEEK (core, core->oobi_len);
r_core_block_read (core, 0);
} else {
r_core_cmd_help (core, help_msg);
}
break;
}
static int r_core_magic_at(RCore *core, const char *file, ut64 addr, int depth, int v) {
const char *fmt;
char *q, *p;
const char *str;
int found = 0, delta = 0, adelta = 0;
#define NAH 32
if (--depth<0) {
return 0;
}
if (addr != core->offset) {
#if 1
if (addr >= core->offset && (addr+NAH) < (core->offset + core->blocksize)) {
delta = addr - core->offset;
} else {
r_core_seek (core, addr, true);
}
#endif
}
if (core->search->align) {
int mod = addr % core->search->align;
if (mod) {
eprintf ("Unaligned search at %d\n", mod);
return mod;
}
}
if (((addr&7)==0) && ((addr&(7<<8))==0))
eprintf ("0x%08"PFMT64x"\r", addr);
if (file) {
if (*file == ' ') file++;
if (!*file) file = NULL;
}
if (file && ofile && file != ofile) {
if (strcmp (file, ofile)) {
r_magic_free (ck);
ck = NULL;
}
}
if (ck==NULL) {
// TODO: Move RMagic into RCore
r_magic_free (ck);
// allocate once
ck = r_magic_new (0);
if (file) {
free (ofile);
ofile = strdup (file);
if (r_magic_load (ck, file) == -1) {
eprintf ("failed r_magic_load (\"%s\") %s\n", file, r_magic_error (ck));
ck = NULL;
return -1;
}
} else {
const char *magicpath = r_config_get (core->config, "dir.magic");
if (r_magic_load (ck, magicpath) == -1) {
ck = NULL;
eprintf ("failed r_magic_load (dir.magic) %s\n", r_magic_error (ck));
return -1;
}
}
}
//repeat:
//if (v) r_cons_printf (" %d # pm %s @ 0x%"PFMT64x"\n", depth, file? file: "", addr);
if (delta+2>core->blocksize) {
eprintf ("EOB\n");
return -1;
}
str = r_magic_buffer (ck, core->block+delta, core->blocksize-delta);
if (str) {
const char *cmdhit;
#if USE_LIB_MAGIC
if (!v && (!strcmp (str, "data") || strstr(str, "ASCII") || strstr(str, "ISO") || strstr(str, "no line terminator"))) {
#else
if (!v && (!strcmp (str, "data"))) {
#endif
int mod = core->search->align;
if (mod<1) mod = 1;
//r_magic_free (ck);
//ck = NULL;
//return -1;
return mod+1;
}
p = strdup (str);
fmt = p;
// processing newlinez
for (q=p; *q; q++) {
if (q[0]=='\\' && q[1]=='n') {
*q = '\n';
strcpy (q+1, q+((q[2]==' ')? 3: 2));
}
}
cmdhit = r_config_get (core->config, "cmd.hit");
if (cmdhit && *cmdhit) {
r_core_cmd0 (core, cmdhit);
}
// TODO: This must be a callback .. move this into RSearch?
r_cons_printf ("0x%08"PFMT64x" %d %s\n", addr + adelta, magicdepth-depth, p);
r_cons_clear_line (1);
eprintf ("0x%08"PFMT64x" 0x%08"PFMT64x" %d %s\n",
addr+adelta, addr+adelta, magicdepth-depth, p);
// walking children
for (q=p; *q; q++) {
switch (*q) {
case ' ':
fmt = q+1;
break;
case '@':
{
ut64 addr = 0LL;
*q = 0;
if (!memcmp (q+1, "0x", 2))
sscanf (q+3, "%"PFMT64x, &addr);
else sscanf (q+1, "%"PFMT64d, &addr);
if (!fmt || !*fmt) fmt = file;
r_core_magic_at (core, fmt, addr, depth, 1);
*q = '@';
}
break;
}
}
free (p);
r_magic_free (ck);
ck = NULL;
found ++;
// return adelta+1;
}
adelta ++;
delta ++;
#if 0
if((core->blocksize-delta)>16)
goto repeat;
#endif
#if 0
r_magic_free (ck);
ck = NULL;
#endif
{
int mod = core->search->align;
if (mod) {
return mod; //adelta%addr + deR_ABS(mod-adelta)+1;
}
}
return adelta; //found;
}
static void r_core_magic(RCore *core, const char *file, int v) {
ut64 addr = core->offset;
magicdepth = r_config_get_i (core->config, "magic.depth"); // TODO: do not use global var here
r_core_magic_at (core, file, addr, magicdepth, v);
if (addr != core->offset)
r_core_seek (core, addr, true);
}
R_API int r_core_visual_cmd(RCore *core, int ch) {
RAsmOp op;
ut64 offset = core->offset;
char buf[4096];
int i, ret, offscreen, cols = core->print->cols, delta = 0;
ch = r_cons_arrow_to_hjkl (ch);
ch = visual_nkey (core, ch);
if (ch<2) return 1;
// do we need hotkeys for data references? not only calls?
if (ch>='0'&& ch<='9') {
ut64 off = core->asmqjmps[ch-'0'];
if (off != UT64_MAX) {
int delta = R_ABS ((st64)off-(st64)offset);
r_io_sundo_push (core->io, offset);
if (curset && delta<100) {
cursor = delta;
} else {
r_core_visual_seek_animation (core, off);
//r_core_seek (core, off, 1);
}
r_core_block_read (core, 1);
}
} else
switch (ch) {
case 0x0d:
{
r_cons_enable_mouse (R_TRUE);
RAnalOp *op = r_core_anal_op (core, core->offset+cursor);
if (op) {
if (op->type == R_ANAL_OP_TYPE_JMP ||
op->type == R_ANAL_OP_TYPE_CJMP ||
op->type == R_ANAL_OP_TYPE_CALL) {
r_io_sundo_push (core->io, offset);
r_core_visual_seek_animation(core, op->jump);
}
}
r_anal_op_free (op);
}
break;
case 90: // shift+tab
if (!strcmp (printfmt[0], "x"))
printfmt[0] = "pxa";
else printfmt[0] = "x";
break;
case 9: // tab
{ // XXX: unify diff mode detection
ut64 f = r_config_get_i (core->config, "diff.from");
ut64 t = r_config_get_i (core->config, "diff.to");
if (f == t && f == 0) {
core->print->col = core->print->col==1? 2: 1;
} else {
ut64 delta = offset - f;
r_core_seek (core, t+delta, 1);
r_config_set_i (core->config, "diff.from", t);
r_config_set_i (core->config, "diff.to", f);
}
}
break;
case 'a':
if (core->file && !(core->file->rwx & 2)) {
r_cons_printf ("\nFile has been opened in read-only mode. Use -w flag\n");
r_cons_any_key ();
return R_TRUE;
}
r_cons_printf ("Enter assembler opcodes separated with ';':\n");
showcursor (core, R_TRUE);
r_cons_flush ();
r_cons_set_raw (R_FALSE);
strcpy (buf, "wa ");
r_line_set_prompt (":> ");
if (r_cons_fgets (buf+3, 1000, 0, NULL) <0) buf[0]='\0';
if (*buf) {
if (curset) r_core_seek (core, core->offset + cursor, 0);
r_core_cmd (core, buf, R_TRUE);
if (curset) r_core_seek (core, core->offset - cursor, 1);
}
showcursor (core, R_FALSE);
r_cons_set_raw (R_TRUE);
break;
case '!':
r_cons_2048();
break;
case 'o':
visual_offset (core);
break;
case 'A':
{ int oc = curset;
ut64 off = curset? core->offset+cursor : core->offset;
curset = 0;
r_core_visual_asm (core, off);
curset = oc;
}
break;
case 'c':
setcursor (core, curset?0:1);
break;
case 'C':
color = color? 0: 1;
r_config_set_i (core->config, "scr.color", color);
break;
case 'd':
r_core_visual_define (core);
break;
case 'D':
setdiff (core);
break;
case 'f':
{
int range, min, max;
char name[256], *n;
r_line_set_prompt ("flag name: ");
showcursor (core, R_TRUE);
if (r_cons_fgets (name, sizeof (name), 0, NULL) >=0 && *name) {
n = r_str_chop (name);
if (*name=='-') {
if (*n) r_flag_unset (core->flags, n+1, NULL);
} else {
if (ocursor != -1) {
min = R_MIN (cursor, ocursor);
max = R_MAX (cursor, ocursor);
} else {
min = max = cursor;
}
range = max-min+1;
if (range<1) range = 1;
if (*n) r_flag_set (core->flags, n,
core->offset + min, range, 1);
}
}
}
showcursor (core, R_FALSE);
break;
case 'F':
r_flag_unset_i (core->flags, core->offset + cursor, NULL);
break;
case 'n':
r_core_seek_next (core, r_config_get (core->config, "scr.nkey"));
break;
case 'N':
r_core_seek_previous (core, r_config_get (core->config, "scr.nkey"));
break;
case 'i':
case 'I':
if (core->file && !(core->file->rwx & 2)) {
r_cons_printf ("\nFile has been opened in read-only mode. Use -w flag\n");
r_cons_any_key ();
return R_TRUE;
}
showcursor (core, R_TRUE);
r_cons_flush ();
r_cons_set_raw (0);
if (ch=='I') {
strcpy (buf, "wow ");
r_line_set_prompt ("insert hexpair block: ");
if (r_cons_fgets (buf+4, sizeof (buf)-5, 0, NULL) <0)
buf[0]='\0';
char *p = strdup (buf);
int cur = core->print->cur;
if (cur>=core->blocksize)
cur = core->print->cur-1;
snprintf (buf, sizeof (buf), "%s @ $$0!%i", p,
core->blocksize-cursor);
r_core_cmd (core, buf, 0);
free (p);
break;
}
delta = (ocursor!=-1)? R_MIN (cursor, ocursor): cursor;
if (core->print->col==2) {
strcpy (buf, "\"w ");
r_line_set_prompt ("insert string: ");
if (r_cons_fgets (buf+3, sizeof (buf)-4, 0, NULL) <0)
buf[0]='\0';
strcat (buf, "\"");
} else {
r_line_set_prompt ("insert hex: ");
if (ocursor != -1) {
int bs = R_ABS (cursor-ocursor)+1;
core->blocksize = bs;
strcpy (buf, "wow ");
} else {
strcpy (buf, "wx ");
}
if (r_cons_fgets (buf+strlen (buf), sizeof (buf)-strlen (buf), 0, NULL) <0)
buf[0]='\0';
}
if (curset) r_core_seek (core, core->offset + delta, 0);
r_core_cmd (core, buf, 1);
if (curset) r_core_seek (core, offset, 1);
r_cons_set_raw (1);
showcursor (core, R_FALSE);
break;
case 'R':
r_core_cmd0 (core, "ecr");
break;
case 'e':
r_core_visual_config (core);
break;
case 'E':
r_core_visual_colors (core);
break;
case 'M':
r_core_visual_mounts (core);
break;
case 't':
r_core_visual_trackflags (core);
break;
case 'x':
{
int count = 0;
RList *xrefs = NULL;
RAnalRef *refi;
RListIter *iter;
RAnalFunction *fun;
if ((xrefs = r_anal_xref_get (core->anal, core->offset))) {
r_cons_gotoxy (1, 1);
r_cons_printf ("[GOTO XREF]> \n");
if (r_list_empty (xrefs)) {
r_cons_printf ("\tNo XREF found at 0x%"PFMT64x"\n", core->offset);
r_cons_any_key ();
r_cons_clear00 ();
} else {
r_list_foreach (xrefs, iter, refi) {
fun = r_anal_fcn_find (core->anal, refi->addr, R_ANAL_FCN_TYPE_NULL);
r_cons_printf (" [%i] 0x%08"PFMT64x" %s XREF 0x%08"PFMT64x" (%s) \n", count,
refi->at,
refi->type==R_ANAL_REF_TYPE_CODE?"CODE (JMP)":
refi->type==R_ANAL_REF_TYPE_CALL?"CODE (CALL)":"DATA", refi->addr,
fun?fun->name:"unk");
if (++count > 9) break;
}
}
} else xrefs = NULL;
