mirror of
https://github.com/radareorg/radare2.git
synced 2024-12-28 16:53:36 +00:00
904 lines
23 KiB
C
904 lines
23 KiB
C
/* radare2 - LGPL - Copyright 2009-2017 - pancake */
|
|
|
|
#include "r_anal.h"
|
|
#include "r_bin.h"
|
|
#include "r_cons.h"
|
|
#include "r_core.h"
|
|
#include "r_print.h"
|
|
#include "r_types.h"
|
|
#include "sdb/sdb.h"
|
|
|
|
static int remove_meta_offset(RCore *core, ut64 offset) {
|
|
char aoffset[64];
|
|
char *aoffsetptr = sdb_itoa (offset, aoffset, 16);
|
|
if (!aoffsetptr) {
|
|
eprintf ("Failed to convert %"PFMT64x" to a key", offset);
|
|
return -1;
|
|
}
|
|
return sdb_unset (core->bin->cur->sdb_addrinfo, aoffsetptr, 0);
|
|
}
|
|
|
|
static void print_meta_offset(RCore *core, ut64 offset) {
|
|
int ret, line, line_old, i;
|
|
char file[1024];
|
|
|
|
ret = r_bin_addr2line (core->bin, offset, file, sizeof (file)-1, &line);
|
|
if (ret) {
|
|
r_cons_printf ("file %s\nline %d\n", file, line);
|
|
line_old = line;
|
|
if (line >= 2) {
|
|
line -= 2;
|
|
}
|
|
if (r_file_exists (file)) {
|
|
for (i = 0; i < 5; i++) {
|
|
char *row = r_file_slurp_line (file, line + i, 0);
|
|
if (row) {
|
|
r_cons_printf ("%c %.3x %s\n", line+i == line_old ? '>' : ' ', line+i, row);
|
|
free (row);
|
|
}
|
|
}
|
|
} else {
|
|
eprintf ("Cannot open '%s'\n", file);
|
|
}
|
|
} else {
|
|
eprintf ("Cannot find meta information at 0x%08"
|
|
PFMT64x"\n", offset);
|
|
}
|
|
}
|
|
|
|
static int remove_meta_fileline(RCore *core, const char *file_line) {
|
|
return sdb_unset (core->bin->cur->sdb_addrinfo, file_line, 0);
|
|
}
|
|
|
|
static int print_meta_fileline(RCore *core, const char *file_line) {
|
|
char *meta_info = sdb_get (core->bin->cur->sdb_addrinfo, file_line, 0);
|
|
if (meta_info) {
|
|
r_cons_printf ("Meta info %s\n", meta_info);
|
|
} else {
|
|
r_cons_printf ("No meta info for %s found\n", file_line);
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static int print_addrinfo (void *user, const char *k, const char *v) {
|
|
char *colonpos, *subst;
|
|
|
|
ut64 offset = sdb_atoi (k);
|
|
if (!offset) {
|
|
return true;
|
|
}
|
|
subst = strdup (v);
|
|
colonpos = strchr (subst, '|');
|
|
|
|
if (colonpos) {
|
|
*colonpos = ':';
|
|
}
|
|
r_cons_printf ("CL %s %s\n", subst, k);
|
|
free (subst);
|
|
|
|
return true;
|
|
}
|
|
|
|
static int cmd_meta_add_fileline(Sdb *s, char *fileline, ut64 offset) {
|
|
char aoffset[64];
|
|
char *aoffsetptr = sdb_itoa (offset, aoffset, 16);
|
|
|
|
if (!aoffsetptr) {
|
|
return -1;
|
|
}
|
|
if (!sdb_add (s, aoffsetptr, fileline, 0)) {
|
|
sdb_set (s, aoffsetptr, fileline, 0);
|
|
}
|
|
if (!sdb_add (s, fileline, aoffsetptr, 0)) {
|
|
sdb_set (s, fileline, aoffsetptr, 0);
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static int cmd_meta_lineinfo(RCore *core, const char *input) {
|
|
int ret;
|
|
ut64 offset = UT64_MAX; // use this as error value
|
|
int remove = false;
|
|
int all = false;
|
|
const char *p = input;
|
|
char *colon, *space, *file_line = 0;
|
|
|
|
if (*p == '?') {
|
|
eprintf ("Usage: CL[-][*] [file:line] [addr]");
|
|
return 0;
|
|
}
|
|
|
|
if (*p == '-') {
|
|
p++;
|
|
remove = true;
|
|
}
|
|
|
|
if (*p == '*') {
|
|
p++;
|
|
all = true;
|
|
}
|
|
|
|
if (all) {
|
|
if (remove) {
|
|
sdb_reset (core->bin->cur->sdb_addrinfo);
|
|
} else {
|
|
sdb_foreach (core->bin->cur->sdb_addrinfo, print_addrinfo, NULL);
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
while (*p == ' ') {
|
|
p++;
|
|
}
|
|
|
|
if (*p) {
|
|
offset = r_num_math (core->num, p);
|
|
if (!offset)
|
|
offset = core->offset;
|
|
} else {
|
|
offset = core->offset;
|
|
}
|
|
colon = strchr (p, ':');
|
|
if (colon) {
|
|
space = strchr (p, ' ');
|
|
if (!space) {
|
|
file_line = strdup (p);
|
|
} else if (space > colon) {
|
|
file_line = r_str_ndup (p, space - p);
|
|
} else {
|
|
goto error;
|
|
}
|
|
if (!file_line) {
|
|
return -1;
|
|
}
|
|
colon = strchr (file_line, ':');
|
|
if (!colon) {
|
|
goto error;
|
|
}
|
|
*colon = '|';
|
|
while (*p && *p != ' ') {
|
|
p++;
|
|
}
|
|
while (*p == ' ') {
|
|
p++;
|
|
}
|
|
if (*p != '\0') {
|
|
// TODO: use r_num_math here or something less rusty than sscanf
|
|
ret = sscanf (p, "0x%"PFMT64x, &offset);
|
|
if (ret != 1) {
|
|
remove = 0;
|
|
eprintf ("Failed to parse addr at %s\n", p);
|
|
// goto error;
|
|
} else {
|
|
ret = cmd_meta_add_fileline (core->bin->cur->sdb_addrinfo,
|
|
file_line, offset);
|
|
goto error;
|
|
}
|
|
}
|
|
if (remove) {
|
|
remove_meta_fileline (core, file_line);
|
|
} else {
|
|
print_meta_fileline (core, file_line);
|
|
}
|
|
free (file_line);
|
|
return 0;
|
|
}
|
|
offset = core->offset;
|
|
|
|
if (offset != UT64_MAX) {
|
|
if (remove) {
|
|
remove_meta_offset (core, offset);
|
|
} else {
|
|
print_meta_offset (core, offset);
|
|
}
|
|
} else {
|
|
goto error;
|
|
}
|
|
return 0;
|
|
|
|
error:
|
|
free (file_line);
|
|
return -1;
|
|
}
|
|
|
|
static int cmd_meta_comment(RCore *core, const char *input) {
|
|
ut64 addr = core->offset;
|
|
switch (input[1]) {
|
|
case '?': {
|
|
const char* help_msg[] = {
|
|
"Usage:", "CC[-+!*au] [base64:..|str] @ addr", "",
|
|
"CC", "", "list all comments in human friendly form",
|
|
"CC*", "", "list all comments in r2 commands",
|
|
"CC.", "", "show comment at current offset",
|
|
"CC,", " [file]", "show or set comment file",
|
|
"CC", " [text]", "append comment at current address",
|
|
"CCf", "", "list comments in function",
|
|
"CC+", " [text]", "append comment at current address",
|
|
"CC!", "", "edit comment using cfg.editor (vim, ..)",
|
|
"CC-", " @ cmt_addr", "remove comment at given address",
|
|
"CCu", " good boy @ addr", "add good boy comment at given address",
|
|
"CCu", " base64:AA== @ addr", "add comment in base64",
|
|
NULL
|
|
};
|
|
r_core_cmd_help (core, help_msg);
|
|
} break;
|
|
case ',': // "CC,"
|
|
if (input[2]=='?') {
|
|
eprintf ("Usage: CC, [file]\n");
|
|
} else if (input[2] == ' ') {
|
|
const char *fn = input+2;
|
|
char *comment = r_meta_get_string (core->anal, R_META_TYPE_COMMENT, addr);
|
|
while (*fn== ' ')fn++;
|
|
if (comment && *comment) {
|
|
// append filename in current comment
|
|
char *nc = r_str_newf ("%s ,(%s)", comment, fn);
|
|
r_meta_set_string (core->anal, R_META_TYPE_COMMENT, addr, nc);
|
|
free (nc);
|
|
} else {
|
|
char *comment = r_str_newf (",(%s)", fn);
|
|
r_meta_set_string (core->anal, R_META_TYPE_COMMENT, addr, comment);
|
|
free (comment);
|
|
}
|
|
} else {
|
|
char *comment = r_meta_get_string (core->anal, R_META_TYPE_COMMENT, addr);
|
|
if (comment && *comment) {
|
|
char *cmtfile = r_str_between (comment, ",(", ")");
|
|
if (cmtfile && *cmtfile) {
|
|
char *getcommapath(RCore *core);
|
|
char *cwd = getcommapath (core);
|
|
r_cons_printf ("%s"R_SYS_DIR"%s\n", cwd, cmtfile);
|
|
free (cwd);
|
|
}
|
|
free (cmtfile);
|
|
}
|
|
free (comment);
|
|
}
|
|
break;
|
|
case '.':
|
|
{
|
|
ut64 at = input[2]? r_num_math (core->num, input + 2): addr;
|
|
char *comment = r_meta_get_string (
|
|
core->anal, R_META_TYPE_COMMENT, at);
|
|
if (comment) {
|
|
r_cons_println (comment);
|
|
free (comment);
|
|
}
|
|
}
|
|
break;
|
|
case 0: // "CC"
|
|
r_meta_list (core->anal, R_META_TYPE_COMMENT, 0);
|
|
break;
|
|
case 'f': // "CCf"
|
|
r_meta_list_at (core->anal, R_META_TYPE_COMMENT, 'f', core->offset);
|
|
break;
|
|
case 'j': // "CCj"
|
|
r_meta_list (core->anal, R_META_TYPE_COMMENT, 'j');
|
|
break;
|
|
case '!':
|
|
{
|
|
char *out, *comment = r_meta_get_string (
|
|
core->anal, R_META_TYPE_COMMENT, addr);
|
|
out = r_core_editor (core, NULL, comment);
|
|
if (out) {
|
|
//r_meta_add (core->anal->meta, R_META_TYPE_COMMENT, addr, 0, out);
|
|
r_core_cmdf (core, "CC-@0x%08"PFMT64x, addr);
|
|
//r_meta_del (core->anal->meta, input[0], addr, addr+1, NULL);
|
|
r_meta_set_string (core->anal,
|
|
R_META_TYPE_COMMENT, addr, out);
|
|
free (out);
|
|
}
|
|
free (comment);
|
|
}
|
|
break;
|
|
case '+':
|
|
case ' ':
|
|
{
|
|
const char* newcomment = r_str_chop_ro (input + 2);
|
|
char *text, *comment = r_meta_get_string (core->anal, R_META_TYPE_COMMENT, addr);
|
|
char *nc = strdup (newcomment);
|
|
r_str_unescape (nc);
|
|
if (comment) {
|
|
text = malloc (strlen (comment)+ strlen (newcomment)+2);
|
|
if (text) {
|
|
strcpy (text, comment);
|
|
strcat (text, " ");
|
|
strcat (text, nc);
|
|
r_meta_set_string (core->anal, R_META_TYPE_COMMENT, addr, text);
|
|
free (text);
|
|
} else {
|
|
r_sys_perror ("malloc");
|
|
}
|
|
} else {
|
|
r_meta_set_string (core->anal, R_META_TYPE_COMMENT, addr, nc);
|
|
}
|
|
free (nc);
|
|
}
|
|
break;
|
|
case '*':
|
|
r_meta_list (core->anal, R_META_TYPE_COMMENT, 1);
|
|
break;
|
|
case '-': // "CC-"
|
|
r_meta_del (core->anal, R_META_TYPE_COMMENT, core->offset, 1, NULL);
|
|
break;
|
|
case 'u':
|
|
//
|
|
{
|
|
char *newcomment;
|
|
const char *arg = input + 2;
|
|
while (*arg && *arg == ' ') arg++;
|
|
if (!strncmp (arg, "base64:", 7)) {
|
|
char *s = (char *)sdb_decode (arg+7, NULL);
|
|
if (s) {
|
|
newcomment = s;
|
|
} else {
|
|
newcomment = NULL;
|
|
}
|
|
} else {
|
|
newcomment = strdup (arg);
|
|
}
|
|
if (newcomment) {
|
|
char *comment = r_meta_get_string (
|
|
core->anal, R_META_TYPE_COMMENT, addr);
|
|
if (!comment || (comment && !strstr (comment, newcomment))) {
|
|
r_meta_set_string (core->anal, R_META_TYPE_COMMENT,
|
|
addr, newcomment);
|
|
}
|
|
free (comment);
|
|
free (newcomment);
|
|
}
|
|
}
|
|
break;
|
|
case 'a':
|
|
{
|
|
char *s, *p;
|
|
s = strchr (input, ' ');
|
|
if (s) {
|
|
s = strdup (s + 1);
|
|
} else {
|
|
eprintf ("Usage\n");
|
|
return false;
|
|
}
|
|
p = strchr (s, ' ');
|
|
if (p) {
|
|
*p++ = 0;
|
|
}
|
|
ut64 addr;
|
|
if (input[2]=='-') {
|
|
if (input[3]) {
|
|
addr = r_num_math (core->num, input+3);
|
|
r_meta_del (core->anal,
|
|
R_META_TYPE_COMMENT,
|
|
addr, 1, NULL);
|
|
} else eprintf ("Usage: CCa-[address]\n");
|
|
free (s);
|
|
return true;
|
|
}
|
|
addr = r_num_math (core->num, s);
|
|
// Comment at
|
|
if (p) {
|
|
if (input[2]=='+') {
|
|
char *comment = r_meta_get_string (
|
|
core->anal, R_META_TYPE_COMMENT,
|
|
addr);
|
|
if (comment) {
|
|
char* text = r_str_newf ("%s\n%s", comment, p);
|
|
r_meta_add (core->anal,
|
|
R_META_TYPE_COMMENT,
|
|
addr, addr+1, text);
|
|
free (text);
|
|
} else {
|
|
r_meta_add (core->anal,
|
|
R_META_TYPE_COMMENT,
|
|
addr, addr+1, p);
|
|
}
|
|
} else {
|
|
r_meta_add (core->anal,
|
|
R_META_TYPE_COMMENT,
|
|
addr, addr + 1, p);
|
|
}
|
|
} else {
|
|
eprintf ("Usage: CCa [address] [comment]\n");
|
|
}
|
|
free (s);
|
|
return true;
|
|
}
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
static int cmd_meta_hsdmf(RCore *core, const char *input) {
|
|
int n, type = input[0];
|
|
char *t = 0, *p, name[256];
|
|
int repeat = 1;
|
|
ut64 addr_end = 0LL, addr = core->offset;
|
|
|
|
switch (input[1]) {
|
|
case '?':
|
|
switch (input[0]) {
|
|
case 'f':
|
|
r_cons_println(
|
|
"Usage: Cf[-] [sz] [fmt..] [@addr]\n\n"
|
|
"'sz' indicates the byte size taken up by struct.\n"
|
|
"'fmt' is a 'pf?' style format string. It controls only the display format.\n\n"
|
|
"You may wish to have 'sz' != sizeof(fmt) when you have a large struct\n"
|
|
"but have only identified specific fields in it. In that case, use 'fmt'\n"
|
|
"to show the fields you know about (perhaps using 'skip' fields), and 'sz'\n"
|
|
"to match the total struct size in mem.\n");
|
|
break;
|
|
default:
|
|
r_cons_println ("See C?");
|
|
break;
|
|
}
|
|
case '-':
|
|
switch (input[2]) {
|
|
case '*':
|
|
core->num->value = r_meta_del (core->anal,
|
|
input[0], 0, UT64_MAX, NULL);
|
|
break;
|
|
case ' ':
|
|
addr = r_num_math (core->num, input+3);
|
|
/* fallthrough */
|
|
default:
|
|
core->num->value = r_meta_del (core->anal,
|
|
input[0], addr, 1, NULL);
|
|
break;
|
|
}
|
|
break;
|
|
case '*':
|
|
r_meta_list (core->anal, input[0], 1);
|
|
break;
|
|
case '!':
|
|
{
|
|
char *out, *comment = r_meta_get_string (
|
|
core->anal, R_META_TYPE_COMMENT, addr);
|
|
out = r_core_editor (core, NULL, comment);
|
|
if (out) {
|
|
//r_meta_add (core->anal->meta, R_META_TYPE_COMMENT, addr, 0, out);
|
|
r_core_cmdf (core, "CC-@0x%08"PFMT64x, addr);
|
|
//r_meta_del (core->anal->meta, input[0], addr, addr+1, NULL);
|
|
r_meta_set_string (core->anal, R_META_TYPE_COMMENT, addr, out);
|
|
free (out);
|
|
}
|
|
free (comment);
|
|
}
|
|
break;
|
|
case ' ':
|
|
case '\0':
|
|
if (type != 'z' && input[1] == '*') {
|
|
r_meta_list (core->anal, type, 0);
|
|
break;
|
|
}
|
|
if (type == 'z') {
|
|
type = 's';
|
|
}
|
|
if (strlen (input) > 2) {
|
|
char *rep = strchr (input + 2, '[');
|
|
if (!rep) rep = strchr (input + 2, ' ');
|
|
if (rep) {
|
|
repeat = r_num_get (core->num, rep + 1);
|
|
}
|
|
}
|
|
int repcnt = 0;
|
|
if (repeat < 1) {
|
|
repeat = 1;
|
|
}
|
|
while (repcnt < repeat) {
|
|
t = strdup (r_str_chop_ro (input + 1));
|
|
p = NULL;
|
|
n = 0;
|
|
strncpy (name, t, sizeof (name) - 1);
|
|
if (type != 'C') {
|
|
n = r_num_math (core->num, t);
|
|
if (type == 'f') { // "Cf"
|
|
p = strchr (t, ' ');
|
|
if (p) {
|
|
if (n < 1) {
|
|
n = r_print_format_struct_size (p + 1, core->print, 0);
|
|
if (n < 1) {
|
|
eprintf ("Cannot resolve struct size\n");
|
|
n = 32; //
|
|
}
|
|
}
|
|
//make sure we do not overflow on r_print_format
|
|
if (n > core->blocksize) {
|
|
n = core->blocksize;
|
|
}
|
|
int r = r_print_format (core->print, addr, core->block,
|
|
n, p + 1, 0, NULL, NULL);
|
|
if (r < 0) {
|
|
n = -1;
|
|
}
|
|
} else {
|
|
eprintf ("Usage: Cf [size] [pf-format-string]\n");
|
|
break;
|
|
}
|
|
} else if (type == 's') { //Cs
|
|
char tmp[256] = R_EMPTY;
|
|
int i, j, name_len = 0;
|
|
(void)r_core_read_at (core, addr, (ut8*)tmp, sizeof (tmp) - 3);
|
|
name_len = r_str_nlen_w (tmp, sizeof (tmp) - 3);
|
|
//handle wide strings
|
|
for (i = 0, j = 0; i < sizeof (name); i++, j++) {
|
|
name[i] = tmp[j];
|
|
if (!tmp[j]) {
|
|
break;
|
|
}
|
|
if (!tmp[j + 1]) {
|
|
if (j + 3 < sizeof (tmp)) {
|
|
if (tmp[j + 3]) {
|
|
break;
|
|
}
|
|
}
|
|
j++;
|
|
}
|
|
}
|
|
name[sizeof (name) - 1] = '\0';
|
|
if (n == 0) {
|
|
n = name_len + 1;
|
|
} else {
|
|
if (n > 0 && n < name_len) {
|
|
name[n] = 0;
|
|
}
|
|
}
|
|
}
|
|
if (n < 1) {
|
|
/* invalid length, do not insert into db */
|
|
return false;
|
|
}
|
|
if (!*t || n > 0) {
|
|
RFlagItem *fi;
|
|
p = strchr (t, ' ');
|
|
if (p) {
|
|
*p = '\0';
|
|
strncpy (name, p + 1, sizeof (name)-1);
|
|
} else {
|
|
if (type != 's') {
|
|
fi = r_flag_get_i (core->flags, addr);
|
|
if (fi) strncpy (name, fi->name, sizeof (name)-1);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
if (!n) {
|
|
n++;
|
|
}
|
|
addr_end = addr + n;
|
|
r_meta_add (core->anal, type, addr, addr_end, name);
|
|
free (t);
|
|
repcnt ++;
|
|
addr = addr_end;
|
|
}
|
|
//r_meta_cleanup (core->anal->meta, 0LL, UT64_MAX);
|
|
break;
|
|
default:
|
|
eprintf ("Missing space after CC\n");
|
|
break;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
void r_comment_var_help(RCore *core, char type) {
|
|
const char *help_bp[] = {
|
|
"Usage:", "Cvb", "[name] [comment]",
|
|
"Cvb?", "", "show this help",
|
|
"Cvb", "", "list all base pointer args/vars comments in human friendly format",
|
|
"Cvb*", "", "list all base pointer args/vars comments in r2 format",
|
|
"Cvb-", "[name]", "delete comments for var/arg at current offset for base pointer",
|
|
"Cvb", " [name]", "Show comments for var/arg at current offset for base pointer",
|
|
"Cvb", " [name] [comment]", "add/append comment for the variable with the current name",
|
|
"Cvb!", "[name]", "edit comment using cfg editor",
|
|
NULL
|
|
};
|
|
const char *help_sp[] = {
|
|
"Usage:", "Cvs", "[name] [comment]",
|
|
"Cvs?", "", "show this help",
|
|
"Cvs", "", "list all stack based args/vars comments in human friendly format",
|
|
"Cvs*", "", "list all stack based args/vars comments in r2 format",
|
|
"Cvs-", "[name]", "delete comments for stack pointer var/arg with that name",
|
|
"Cvs", "[name]", "Show comments for stack pointer var/arg with that name",
|
|
"Cvs", "[name] [comment]", "add/append comment for the variable",
|
|
"Cvs!", "[name]", "edit comment using cfg editor",
|
|
NULL
|
|
};
|
|
const char *help_reg[] = {
|
|
"Usage:", "Cvr", "[name] [comment]",
|
|
"Cvr?", "", "show this help",
|
|
"Cvr", "", "list all register based args comments in human friendly format",
|
|
"Cvr*", "", "list all register based args comments in r2 format",
|
|
"Cvr-", "[name]", "delete comments for register based arg for that name",
|
|
"Cvr", "[name]", "Show comments for register based arg for that name",
|
|
"Cvr", "[name] [comment]", "add/append comment for the variable",
|
|
"Cvr!", "[name]", "edit comment using cfg editor",
|
|
NULL
|
|
};
|
|
|
|
switch (type) {
|
|
case 'b':
|
|
r_core_cmd_help (core, help_bp);
|
|
break;
|
|
case 's':
|
|
r_core_cmd_help (core, help_sp);
|
|
break;
|
|
case 'r':
|
|
r_core_cmd_help (core, help_reg);
|
|
break;
|
|
case '?':
|
|
r_cons_printf("See Cvb?, Cvs? and Cvr?\n");
|
|
}
|
|
}
|
|
|
|
void r_comment_vars(RCore *core, const char *input) {
|
|
//TODO enable base64 and make it the default for C*
|
|
RAnalFunction *fcn = r_anal_get_fcn_in (core->anal, core->offset, 0);
|
|
int idx;
|
|
char *oname = NULL, *name = NULL;
|
|
char *oldcomment = NULL;
|
|
char *heap_comment = NULL;
|
|
RAnalVar *var;
|
|
|
|
if (input[1] == '?' || (input[0] != 'b' && input[0] != 'r' && input[0] != 's') ) {
|
|
r_comment_var_help (core, input[0]);
|
|
return;
|
|
}
|
|
if (!fcn) {
|
|
eprintf ("Cant find function here\n");
|
|
return;
|
|
}
|
|
oname = name = strdup (input + 2);
|
|
while (*name == ' ') {
|
|
name++;
|
|
}
|
|
switch (input[1]) {
|
|
case '*':
|
|
case '\0': {
|
|
RList *var_list;
|
|
RListIter *iter;
|
|
var_list = r_anal_var_list (core->anal, fcn, input[0]);
|
|
r_list_foreach (var_list, iter, var) {
|
|
oldcomment = r_meta_get_var_comment (core->anal, input[0], var->delta, fcn->addr);
|
|
if (!oldcomment) {
|
|
continue;
|
|
}
|
|
if (!input[1]) {
|
|
r_cons_printf ("%s : %s\n", var->name, oldcomment);
|
|
} else {
|
|
r_cons_printf ("\"Cv%c %s base64:%s @ 0x%08"PFMT64x"\"\n", input[0], var->name,
|
|
sdb_encode ((const ut8 *) oldcomment, strlen(oldcomment)), fcn->addr);
|
|
}
|
|
}
|
|
}
|
|
break;
|
|
case ' ': {
|
|
// TODO check that idx exist
|
|
char *comment = strstr (name, " ");
|
|
if (comment) { // new comment given
|
|
if (*comment) {
|
|
*comment++ = 0;
|
|
}
|
|
if (!strncmp (comment, "base64:", 7)) {
|
|
heap_comment = (char *)sdb_decode (comment + 7, NULL);
|
|
comment = heap_comment;
|
|
}
|
|
}
|
|
var = r_anal_var_get_byname (core->anal, fcn, name);
|
|
if (var) {
|
|
idx = var->delta;
|
|
} else if (!strncmp (name, "0x", 2)) {
|
|
idx = (int) r_num_get (NULL, name);
|
|
} else if (!strncmp (name, "-0x", 3)) {
|
|
idx = -(int) r_num_get (NULL, name+1);
|
|
} else {
|
|
eprintf ("cant find variable named `%s`\n",name);
|
|
free (heap_comment);
|
|
break;
|
|
}
|
|
r_anal_var_free (var);
|
|
if (!r_anal_var_get (core->anal, fcn->addr, input[0], 1, idx)) {
|
|
eprintf ("cant find variable at given offset\n");
|
|
} else {
|
|
oldcomment = r_meta_get_var_comment (core->anal, input[0], idx, fcn->addr);
|
|
if (oldcomment) {
|
|
if (comment && *comment) {
|
|
char *text = r_str_newf ("%s\n%s", oldcomment, comment);
|
|
r_meta_set_var_comment (core->anal, input[0], idx, fcn->addr, text);
|
|
free (text);
|
|
} else {
|
|
r_cons_println (oldcomment);
|
|
}
|
|
} else {
|
|
r_meta_set_var_comment (core->anal, input[0], idx, fcn->addr, comment);
|
|
}
|
|
}
|
|
free (heap_comment);
|
|
}
|
|
break;
|
|
case '-':
|
|
var = r_anal_var_get_byname (core->anal,fcn, name);
|
|
if (var) {
|
|
idx = var->delta;
|
|
} else if (!strncmp (name, "0x", 2)) {
|
|
idx = (int) r_num_get (NULL, name);
|
|
} else if (!strncmp (name, "-0x", 3)) {
|
|
idx = -(int) r_num_get (NULL, name+1);
|
|
}else {
|
|
eprintf ("cant find variable named `%s`\n",name);
|
|
break;
|
|
}
|
|
r_anal_var_free (var);
|
|
//XXX TODO here we leak a var
|
|
if (!r_anal_var_get (core->anal, fcn->addr, input[0],1,idx)) {
|
|
eprintf ("cant find variable at given offset\n");
|
|
break;
|
|
}
|
|
r_meta_var_comment_del (core->anal, input[0], idx, fcn->addr);
|
|
break;
|
|
case '!': {
|
|
char *comment;
|
|
var = r_anal_var_get_byname (core->anal,fcn, name);
|
|
if (!var) {
|
|
eprintf ("cant find variable named `%s`\n",name);
|
|
break;
|
|
}
|
|
oldcomment = r_meta_get_var_comment (core->anal, input[0], var->delta, fcn->addr);
|
|
comment = r_core_editor (core, NULL, oldcomment);
|
|
if (comment) {
|
|
r_meta_var_comment_del (core->anal, input[0], var->delta, fcn->addr);
|
|
r_meta_set_var_comment (core->anal, input[0], var->delta, fcn->addr, comment);
|
|
free (comment);
|
|
}
|
|
r_anal_var_free (var);
|
|
}
|
|
break;
|
|
}
|
|
free (oname);
|
|
}
|
|
|
|
static int cmd_meta(void *data, const char *input) {
|
|
RCore *core = (RCore*)data;
|
|
RAnalFunction *f;
|
|
RSpaces *ms;
|
|
int i;
|
|
|
|
switch (*input) {
|
|
case 'v': // Cr
|
|
r_comment_vars (core, input + 1);
|
|
break;
|
|
case 'j':
|
|
case '*':
|
|
r_meta_list (core->anal, R_META_TYPE_ANY, *input);
|
|
break;
|
|
case 'L': // "CL"
|
|
cmd_meta_lineinfo (core, input + 1);
|
|
break;
|
|
case 'C': // "CC"
|
|
cmd_meta_comment (core, input);
|
|
break;
|
|
case 'r': /* Cr run command*/
|
|
case 'h': /* Ch comment */
|
|
case 's': /* Cs string */
|
|
case 'z': /* Cz zero-terminated string */
|
|
case 'd': /* Cd data */
|
|
case 'm': /* Cm magic */
|
|
case 'f': /* Cf formatted */
|
|
cmd_meta_hsdmf (core, input);
|
|
break;
|
|
case '-':
|
|
if (input[1]!='*') {
|
|
i = r_num_math (core->num, input+((input[1]==' ')?2:1));
|
|
r_meta_del (core->anal, R_META_TYPE_ANY, core->offset, i, "");
|
|
} else r_meta_cleanup (core->anal, 0LL, UT64_MAX);
|
|
break;
|
|
case '\0':
|
|
case '?':{
|
|
const char* help_msg[] = {
|
|
"Usage:", "C[-LCvsdfm*?][*?] [...]", " # Metadata management",
|
|
"C*", "", "list meta info in r2 commands",
|
|
"C-", " [len] [[@]addr]", "delete metadata at given address range",
|
|
"CL", "[-][*] [file:line] [addr]", "show or add 'code line' information (bininfo)",
|
|
"CS", "[-][space]", "manage meta-spaces to filter comments, etc..",
|
|
"CC", "[?] [-] [comment-text] [@addr]", "add/remove comment",
|
|
"CC.", "[addr]", "show comment in current address",
|
|
"CC!", " [@addr]", "edit comment with $EDITOR",
|
|
"CCa", "[-at]|[at] [text] [@addr]", "add/remove comment at given address",
|
|
"CCu", " [comment-text] [@addr]", "add unique comment",
|
|
"Cv", "[bsr][?]", "add comments to args",
|
|
"Cs", "[?] [-] [size] [@addr]", "add string",
|
|
"Cz", "[@addr]", "add zero-terminated string",
|
|
"Ch", "[-] [size] [@addr]", "hide data",
|
|
"Cd", "[-] [size] [repeat] [@addr]", "hexdump data array (Cd 4 10 == dword [10])",
|
|
"Cf", "[?][-] [sz] [0|cnt][fmt] [a0 a1...] [@addr]", "format memory (see pf?)",
|
|
"CF", "[sz] [fcn-sign..] [@addr]", "function signature",
|
|
"Cm", "[-] [sz] [fmt..] [@addr]", "magic parse (see pm?)",
|
|
NULL};
|
|
r_core_cmd_help (core, help_msg);
|
|
}
|
|
break;
|
|
case 'F': // "CF"
|
|
f = r_anal_get_fcn_in (core->anal, core->offset,
|
|
R_ANAL_FCN_TYPE_FCN|R_ANAL_FCN_TYPE_SYM);
|
|
if (f) {
|
|
r_anal_str_to_fcn (core->anal, f, input + 2);
|
|
} else {
|
|
eprintf ("Cannot find function here\n");
|
|
}
|
|
break;
|
|
case 'S': // "CS"
|
|
ms = &core->anal->meta_spaces;
|
|
/** copypasta from `fs`.. this must be refactorized to be shared */
|
|
switch (input[1]) {
|
|
case '?':
|
|
{
|
|
const char *help_msg[] = {
|
|
"Usage: CS","[*] [+-][metaspace|addr]", " # Manage metaspaces",
|
|
"CS","","display metaspaces",
|
|
"CS"," *","select all metaspaces",
|
|
"CS"," metaspace","select metaspace or create if it doesn't exist",
|
|
"CS","-metaspace","remove metaspace",
|
|
"CS","-*","remove all metaspaces",
|
|
"CS","+foo","push previous metaspace and set",
|
|
"CS","-","pop to the previous metaspace",
|
|
// "CSm"," [addr]","move metas at given address to the current metaspace",
|
|
"CSr"," newname","rename selected metaspace",
|
|
NULL};
|
|
r_core_cmd_help (core, help_msg);
|
|
}
|
|
break;
|
|
case '+':
|
|
r_space_push (ms, input + 2);
|
|
break;
|
|
case 'r':
|
|
if (input[2] == ' ') {
|
|
r_space_rename (ms, NULL, input+2);
|
|
} else {
|
|
eprintf ("Usage: CSr [newname]\n");
|
|
}
|
|
break;
|
|
case '-':
|
|
if (input[2]) {
|
|
if (input[2]=='*') {
|
|
r_space_unset (ms, NULL);
|
|
} else {
|
|
r_space_unset (ms, input+2);
|
|
}
|
|
} else {
|
|
r_space_pop (ms);
|
|
}
|
|
break;
|
|
case 'j':
|
|
case '\0':
|
|
case '*':
|
|
r_space_list (ms, input[1]);
|
|
break;
|
|
case ' ':
|
|
r_space_set (ms, input + 2);
|
|
break;
|
|
#if 0
|
|
case 'm':
|
|
{ RFlagItem *f;
|
|
ut64 off = core->offset;
|
|
if (input[2] == ' ')
|
|
off = r_num_math (core->num, input+2);
|
|
f = r_flag_get_i (core->flags, off);
|
|
if (f) {
|
|
f->space = core->flags->space_idx;
|
|
} else eprintf ("Cannot find any flag at 0x%"PFMT64x".\n", off);
|
|
}
|
|
break;
|
|
#endif
|
|
default: {
|
|
int i, j = 0;
|
|
for (i = 0; i < R_FLAG_SPACES_MAX; i++) {
|
|
if (!ms->spaces[i]) continue;
|
|
r_cons_printf ("%02d %c %s\n", j++,
|
|
(i == ms->space_idx)?'*':' ',
|
|
ms->spaces[i]);
|
|
}
|
|
} break;
|
|
}
|
|
break;
|
|
}
|
|
return true;
|
|
}
|