radare2/libr/core/cmd.c

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/* radare - LGPL - Copyright 2009-2011 // nibble<.ds@gmail.com>, pancake<nopcode.org> */
#include "r_core.h"
#include "r_io.h"
#include "r_flags.h"
#include "r_hash.h"
#include "r_asm.h"
#include "r_anal.h"
#include "r_util.h"
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#include "r_bp.h"
#include <sys/types.h>
#include <ctype.h>
#include <stdarg.h>
#if HAVE_LIB_MAGIC
#include <magic.h>
#endif
static int printzoomcallback(void *user, int mode, ut64 addr, ut8 *bufz, ut64 size) {
RCore *core = (RCore *) user;
int j, ret = 0;
RListIter *iter;
RFlagItem *flag;
switch (mode) {
case 'p':
for (j=0; j<size; j++)
if (IS_PRINTABLE (bufz[j]))
ret++;
break;
case 'f':
r_list_foreach (core->flags->flags, iter, flag)
if (flag->offset <= addr && addr < flag->offset+flag->size)
ret++;
break;
case 's':
j = r_flag_space_get (core->flags, "strings");
r_list_foreach (core->flags->flags, iter, flag) {
if (flag->space == j && ((addr <= flag->offset
&& flag->offset < addr+size)
|| (addr <= flag->offset+flag->size
&& flag->offset+flag->size < addr+size)))
ret++;
}
break;
case '0': // 0xFF
for (j=0; j<size; j++)
if (bufz[j] == 0)
ret++;
break;
case 'F': // 0xFF
for (j=0; j<size; j++)
if (bufz[j] == 0xff)
ret++;
break;
case 'e': // entropy
ret = (ut8) (r_hash_entropy_fraction (bufz, size)*255);
break;
case 'h': //head
default:
ret = *bufz;
}
return ret;
}
static int checkbpcallback(RCore *core) {
ut64 pc = r_debug_reg_get (core->dbg, "pc");
RBreakpointItem *bpi = r_bp_get (core->dbg->bp, pc);
if (bpi) {
if (bpi->data)
r_core_cmd (core, bpi->data, 0);
return R_TRUE;
}
return R_FALSE;
}
static int bypassbp(RCore *core) {
ut64 addr;
r_debug_reg_sync (core->dbg, R_REG_TYPE_GPR, R_FALSE);
addr = r_debug_reg_get (core->dbg, "pc");
RBreakpointItem *bpi = r_bp_get (core->dbg->bp, addr);
if (!bpi) return R_FALSE;
/* XXX 2 if libr/debug/debug.c:226 is enabled */
r_debug_step (core->dbg, 1);
return R_TRUE;
}
static void printoffset(ut64 off, int show_color) {
if (show_color)
r_cons_printf (Color_GREEN"0x%08"PFMT64x" "Color_RESET, off);
else r_cons_printf ("0x%08"PFMT64x" ", off);
}
// TODO: move somewhere else
R_API RAsmOp *r_core_disassemble (RCore *core, ut64 addr) {
ut8 buf[4096];
static RBuffer *b = NULL; // XXX: never freed and non-thread safe. move to RCore
RAsmOp *op = R_NEW (RAsmOp);
if (b == NULL) {
b = r_buf_new ();
if (r_core_read_at (core, addr, buf, sizeof (buf))) {
b->base = addr;
r_buf_set_bytes (b, buf, 4096);
} else return NULL;
} else {
if (addr < b->base || addr > b->base+b->length-32) {
if (r_core_read_at (core, addr, buf, sizeof (buf))) {
b->base = addr;
r_buf_set_bytes (b, buf, 4096);
} else return NULL;
}
}
if (r_asm_disassemble (core->assembler, op, b->buf, b->length)<1) {
free (op);
return NULL;
}
return op;
}
static char *filter_refline(const char *str) {
char *p, *s = strdup (str);
p = strstr (s, "->");
if (p) p[0]=p[1]=' ';
p = strstr (s, "=<");
if (p) p[0]=p[1]=' ';
for (p=s; *p; p++) {
if (*p=='`') *p = '|';
if (*p=='-') *p = ' ';
if (*p=='=') *p = '|';
}
return s;
}
/* TODO: move to print/disasm.c */
static int r_print_disasm(RPrint *p, RCore *core, ut64 addr, ut8 *buf, int len, int l) {
RAnalCC cc = {0};
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RAnalFcn *f = NULL;
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int ret, idx, i, j, k, lines, ostackptr = 0, stackptr = 0;
int counter = 0;
int middle = 0;
char str[128], strsub[128];
char *line = NULL, *comment, *opstr, *osl = NULL; // old source line
char *refline = NULL;
RAsmOp asmop;
RAnalOp analop;
RFlagItem *flag;
RMetaItem *mi;
ut64 dest = UT64_MAX;
// TODO: import values from debugger is possible
// TODO: allow to get those register snapshots from traces
// TODO: per-function register state trace
// TODO: All those options must be print flags
int show_color = r_config_get_i (core->config, "scr.color");
int decode = r_config_get_i (core->config, "asm.decode");
int pseudo = r_config_get_i (core->config, "asm.pseudo");
int filter = r_config_get_i (core->config, "asm.filter");
int varsub = r_config_get_i (core->config, "asm.varsub");
int show_lines = r_config_get_i (core->config, "asm.lines");
int show_dwarf = r_config_get_i (core->config, "asm.dwarf");
int show_linescall = r_config_get_i (core->config, "asm.linescall");
int show_trace = r_config_get_i (core->config, "asm.trace");
int linesout = r_config_get_i (core->config, "asm.linesout");
int adistrick = r_config_get_i (core->config, "asm.middle"); // TODO: find better name
int show_offset = r_config_get_i (core->config, "asm.offset");
int show_bytes = r_config_get_i (core->config, "asm.bytes");
int show_comments = r_config_get_i (core->config, "asm.comments");
int show_stackptr = r_config_get_i (core->config, "asm.stackptr");
int show_xrefs = r_config_get_i (core->config, "asm.xrefs");
int show_functions = r_config_get_i (core->config, "asm.functions");
int cursor, nb, nbytes = r_config_get_i (core->config, "asm.nbytes");
int lbytes = r_config_get_i (core->config, "asm.lbytes");
int linesopts = 0;
int lastfail = 0;
const char *pre = " ";
nb = (nbytes*2);
core->inc = 0;
if (core->print->cur_enabled) {
if (core->print->cur<0)
core->print->cur = 0;
cursor = core->print->cur;
} else cursor = -1;
if (r_config_get_i (core->config, "asm.linesstyle"))
linesopts |= R_ANAL_REFLINE_TYPE_STYLE;
if (r_config_get_i (core->config, "asm.lineswide"))
linesopts |= R_ANAL_REFLINE_TYPE_WIDE;
// uhm... is this necesary? imho can be removed
r_asm_set_pc (core->assembler, addr);
#if 0
/* find last function else stackptr=0 */
{
RAnalFcn *fcni;
RListIter *iter;
r_list_foreach (core->anal.fcns, iter, fcni) {
if (addr >= fcni->addr && addr<(fcni->addr+fcni->size)) {
stack_ptr = fcni->stack;
r_cons_printf ("/* function: %s (%d) */\n", fcni->name, fcni->size, stack_ptr);
break;
}
}
}
#endif
if (core->print->cur_enabled) {
// TODO: support in-the-middle-of-instruction too
if (r_anal_op (core->anal, &analop, core->offset+core->print->cur,
buf+core->print->cur, (int)(len-core->print->cur))) {
// TODO: check for analop.type and ret
dest = analop.jump;
#if 0
switch (analop.type) {
case R_ANAL_OP_TYPE_JMP:
case R_ANAL_OP_TYPE_CALL:
dest = analop.jump;
break;
}
#endif
}
}
// TODO: make anal->reflines implicit
free (core->reflines); // TODO: leak
free (core->reflines2); // TODO: leak
core->reflines = r_anal_reflines_get (core->anal, addr, buf, len, -1, linesout, show_linescall);
core->reflines2 = r_anal_reflines_get (core->anal, addr, buf, len, -1, linesout, 1);
for (lines=i=idx=ret=0; idx < len && lines < l; idx+=ret,i++, lines++) {
ut64 at = addr + idx;
r_asm_set_pc (core->assembler, at);
line = r_anal_reflines_str (core->anal, core->reflines, at, linesopts);
refline = filter_refline (line);
f = show_functions? r_anal_fcn_find (core->anal, at, R_ANAL_FCN_TYPE_NULL): NULL;
if (show_comments)
if ((comment = r_meta_get_string (core->anal->meta, R_META_TYPE_COMMENT, at))) {
if (show_color) r_cons_strcat (Color_TURQOISE);
r_cons_strcat_justify (comment, strlen (refline) + 5, ';');
if (show_color) r_cons_strcat (Color_RESET);
free (comment);
}
// TODO : line analysis must respect data types! shouldnt be interpreted as code
ret = r_asm_disassemble (core->assembler, &asmop, buf+idx, len-idx);
if (ret<1) {
ret = 1;
//eprintf ("** invalid opcode at 0x%08"PFMT64x" **\n",
// core->assembler->pc + ret);
lastfail = 1;
continue;
} else lastfail = 0;
if (core->inc == 0)
core->inc = ret;
r_anal_op (core->anal, &analop, at, buf+idx, (int)(len-idx));
// Show xrefs
if (show_xrefs) {
RList *xrefs;
RAnalRef *refi;
RListIter *iter;
if ((xrefs = r_anal_xref_get (core->anal, at))) {
r_list_foreach (xrefs, iter, refi) {
RAnalFcn *fun = r_anal_fcn_find (core->anal, refi->addr, R_ANAL_FCN_TYPE_NULL);
r_cons_printf ("%s%s", pre, refline);
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if (show_color)
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r_cons_printf (Color_TURQOISE"; %s XREF 0x%08"PFMT64x" (%s)"Color_RESET"\n",
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");
else r_cons_printf ("; %s XREF 0x%08"PFMT64x" (%s)\n",
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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");
}
r_list_destroy (xrefs);
}
}
if (adistrick)
middle = r_anal_reflines_middle (core->anal,
core->reflines, at, analop.length);
/* XXX: This is really cpu consuming.. need to be fixed */
if (show_functions) {
if (f) {
pre = " ";
if (f->addr == at) {
char *sign = r_anal_fcn_to_string (core->anal, f);
r_cons_printf ("/ %s: %s (%d)\n| ",
(f->type==R_ANAL_FCN_TYPE_FCN||f->type==R_ANAL_FCN_TYPE_SYM)?"function":
(f->type==R_ANAL_FCN_TYPE_IMP)?"import":"loc",
f->name, f->size);
if (sign) r_cons_printf ("// %s\n", sign);
free (sign);
pre = "| ";
stackptr = 0;
} else if (f->addr+f->size-1 == at) {
r_cons_printf ("\\ ");
} else if (at > f->addr && at < f->addr+f->size-1) {
r_cons_printf ("| ");
pre = "| ";
} else f = NULL;
} else r_cons_printf (" ");
}
flag = r_flag_get_i (core->flags, at);
//if (flag && !show_bytes) {
if (flag) {
if (show_lines && refline)
r_cons_strcat (refline);
if (show_offset)
printoffset (at, show_color);
if (show_functions)
r_cons_printf ("%s:\n%s", flag->name, f?"| ":" ");
else r_cons_printf ("%s:\n", flag->name);
}
if (show_lines && line)
r_cons_strcat (line);
if (show_offset) {
if (at == dest)
r_cons_invert (R_TRUE, R_TRUE);
printoffset (at, show_color);
if (at == dest)
r_cons_printf (Color_RESET);
}
if (show_trace) {
RDebugTracepoint *tp = r_debug_trace_get (core->dbg, at);
r_cons_printf ("%02x:%04x ", tp?tp->times:0, tp?tp->count:0);
}
if (show_stackptr) {
r_cons_printf ("%3d%s ", stackptr,
analop.type==R_ANAL_OP_TYPE_CALL?">":
stackptr>ostackptr?"+":stackptr<ostackptr?"-":" ");
ostackptr = stackptr;
stackptr += analop.stackptr;
/* XXX if we reset the stackptr 'ret 0x4' has not effect.
* Use RAnalFcn->RAnalOp->stackptr? */
if (analop.type == R_ANAL_OP_TYPE_RET)
stackptr = 0;
}
// TODO: implement ranged meta find (if not at the begging of function..
mi = r_meta_find (core->anal->meta, at, R_META_TYPE_ANY, R_META_WHERE_HERE);
if (mi)
switch (mi->type) {
case R_META_TYPE_STRING:
// TODO: filter string (r_str_unscape)
{
char *out = r_str_unscape (mi->str);
r_cons_printf ("string (%"PFMT64d"): \"%s\"\n%s", mi->size, out, pre);
free (out);
}
ret = (int)mi->size;
free (line);
free (refline);
line = refline = NULL;
continue;
case R_META_TYPE_DATA:
{
int delta = at-mi->from;
core->print->flags &= ~R_PRINT_FLAGS_HEADER;
r_cons_printf ("hex length=%lld delta=%d\n", mi->size , delta);
r_print_hexdump (core->print, at, buf+idx, mi->size-delta, 16, 1);
core->inc = 16;
core->print->flags |= R_PRINT_FLAGS_HEADER;
ret = (int)mi->size-delta;
free (line);
free (refline);
line = refline = NULL;
}
continue;
case R_META_TYPE_FORMAT:
r_print_format (core->print, at, buf+idx, len-idx, mi->str);
ret = (int)mi->size;
free (line);
free (refline);
line = refline = NULL;
continue;
}
/* show cursor */
if (core->print->cur_enabled &&
cursor >= idx && cursor < (idx+asmop.inst_len))
r_cons_printf ("* ");
else r_cons_printf (" ");
if (show_bytes) {
char *str, pad[64];
char extra[64];
strcpy (extra, " ");
flag = NULL; // HACK
if (!flag) {
str = strdup (asmop.buf_hex);
if (r_str_ansi_len (str) > nb) {
char *p = (char *)r_str_ansi_chrn (str, nb);
if (p) {
p[0] = '.';
p[1] = '\0';
}
*extra = 0;
}
k = nb-r_str_ansi_len (str);
if (k<0) k = 0;
for (j=0; j<k; j++)
pad[j] = ' ';
pad[j] = 0;
if (lbytes) {
// hack to align bytes left
strcpy (extra, pad);
*pad = 0;
}
// if (show_color) {
char *nstr;
p->cur_enabled = cursor!=-1;
//p->cur = cursor;
nstr = r_print_hexpair (p, str, idx);
free (str);
str = nstr;
// }
} else {
str = strdup (flag->name);
k = nb-strlen (str)-2;
if (k<0) k = 0;
for (j=0; j<k; j++)
pad[j] = ' ';
pad[j] = '\0';
}
if (0) { // if (flag)
if (show_color)
r_cons_printf (Color_BWHITE"*[ %s%s] "Color_RESET, pad, str);
else r_cons_printf ("*[ %s%s] ", pad, str);
} else {
if (show_color)
r_cons_printf (" %s %s %s"Color_RESET, pad, str, extra);
else r_cons_printf (" %s %s %s", pad, str, extra);
}
if (!show_color) free (str);
}
if (show_color) {
switch (analop.type) {
case R_ANAL_OP_TYPE_NOP:
r_cons_printf (Color_BLUE);
break;
case R_ANAL_OP_TYPE_JMP:
case R_ANAL_OP_TYPE_CJMP:
case R_ANAL_OP_TYPE_UJMP:
r_cons_printf (Color_GREEN);
break;
case R_ANAL_OP_TYPE_CMP:
r_cons_printf (Color_BMAGENTA);
break;
case R_ANAL_OP_TYPE_UCALL:
case R_ANAL_OP_TYPE_CALL:
r_cons_printf (Color_BGREEN);
break;
case R_ANAL_OP_TYPE_SWI:
r_cons_printf (Color_MAGENTA);
break;
case R_ANAL_OP_TYPE_RET:
r_cons_printf (Color_RED);
break;
case R_ANAL_OP_TYPE_LOAD:
r_cons_printf (Color_YELLOW);
break;
case R_ANAL_OP_TYPE_STORE:
r_cons_printf (Color_BYELLOW);
break;
}
}
if (decode) {
// TODO: Use data from code analysis..not raw analop here
// if we want to get more information
opstr = r_anal_op_to_string (core->anal, &analop);
} else if (pseudo) {
r_parse_parse (core->parser, asmop.buf_asm, str);
opstr = str;
} else if (filter) {
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r_parse_filter (core->parser, core->flags, asmop.buf_asm, str, sizeof (str));
opstr = str;
} else opstr = asmop.buf_asm;
if (varsub) {
RAnalFcn *f = r_anal_fcn_find (core->anal, at, R_ANAL_FCN_TYPE_NULL);
if (f) {
r_parse_varsub (core->parser, f, opstr, strsub, sizeof (strsub));
if (decode) free (opstr);
opstr = strsub;
}
}
r_cons_strcat (opstr);
if (decode && !varsub)
free (opstr);
if (show_color)
r_cons_strcat (Color_RESET);
if (show_dwarf) {
char *sl = r_bin_meta_get_source_line (core->bin, at);
int len = strlen (opstr);
if (len<30) len = 30-len;
if (sl) {
if ((!osl || (osl && strcmp (sl, osl)))) {
while (len--)
r_cons_strcat (" ");
if (show_color)
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r_cons_printf (Color_TURQOISE" ; %s"Color_RESET"%s", sl, pre);
else r_cons_printf (" ; %s\n%s", sl, pre);
free (osl);
osl = sl;
}
} else {
eprintf ("Warning: Forced asm.dwarf=false because of error\n");
show_dwarf = R_FALSE;
r_config_set (core->config, "asm.dwarf", "false");
}
}
if (middle != 0) {
ret -= middle;
r_cons_printf (" ; *middle* %d", ret);
}
if (core->assembler->syntax != R_ASM_SYNTAX_INTEL) {
RAsmOp ao; /* disassemble for the vm .. */
int os = core->assembler->syntax;
r_asm_set_syntax (core->assembler, R_ASM_SYNTAX_INTEL);
ret = r_asm_disassemble (core->assembler, &ao, buf+idx, len-idx);
r_asm_set_syntax (core->assembler, os);
}
if (!r_anal_cc_update (core->anal, &cc, &analop)) {
if (show_functions) {
char *ccstr = r_anal_cc_to_string (core->anal, &cc);
r_cons_printf ("\n%s%s ; %s", pre, refline, ccstr);
free (ccstr);
}
r_anal_cc_reset (&cc);
}
switch (analop.type) {
case R_ANAL_OP_TYPE_JMP:
case R_ANAL_OP_TYPE_CJMP:
case R_ANAL_OP_TYPE_CALL:
counter++;
if (counter<10){
core->asmqjmps[counter] = analop.jump;
r_cons_printf (" [%d]", counter);
} else r_cons_strcat (" [?]");
break;
}
if (analop.refptr) {
ut32 word = 0;
int ret = r_io_read_at (core->io, analop.ref, (void *)&word, sizeof (word));
if (ret == sizeof (word)) {
RMetaItem *mi2 = r_meta_find (core->anal->meta, (ut64)word,
R_META_TYPE_ANY, R_META_WHERE_HERE);
if (!mi2) {
mi2 = r_meta_find (core->anal->meta, (ut64)analop.ref,
R_META_TYPE_ANY, R_META_WHERE_HERE);
if (mi2) {
char *str = r_str_unscape (mi2->str);
r_cons_printf (" (at=0x%08"PFMT64x") (len=%"PFMT64d") \"%s\" ", analop.ref, mi2->size, str);
free (str);
} else r_cons_printf ("; => 0x%08x ", word);
} else {
if (mi2->type == R_META_TYPE_STRING) {
char *str = r_str_unscape (mi2->str);
r_cons_printf (" (at=0x%08x) (len=%"PFMT64d") \"%s\" ", word, mi2->size, str);
free (str);
} else r_cons_printf ("unknown type '%c'\n", mi2->type);
}
} else r_cons_printf ("; err [0x%"PFMT64x"]", analop.ref);
}
r_cons_newline ();
if (line) {
if (show_lines && analop.type == R_ANAL_OP_TYPE_RET) {
if (strchr (line, '>'))
memset (line, ' ', strlen (line));
r_cons_printf ("%s%s; ------------\n", show_functions?" ":"", line);
}
free (line);
free (refline);
line = refline = NULL;
}
}
free (osl);
return idx-lastfail;
}
static int cmd_project(void *data, const char *input) {
RCore *core = (RCore *)data;
const char *arg = input+1;
char *str = strdup (r_config_get (core->config, "file.project"));
if (*arg==' ') arg++;
switch (input[0]) {
case 'o': r_core_project_open (core, input[1]?arg:str); break;
case 's': r_core_project_save (core, input[1]?arg:str); break;
case 'i': free (r_core_project_info (core, input[1]?arg:str)); break;
default:
r_cons_printf (
"Usage: P[osi] [file]\n"
" Po [file] open project\n"
" Ps [file] save project\n"
" Pi [file] info\n");
break;
}
free (str);
return R_TRUE;
}
static int cmd_zign(void *data, const char *input) {
RCore *core = (RCore *)data;
RAnalFcn *fcni;
RListIter *iter;
RSignItem *item;
int i, fd = -1, len;
char *ptr, *name;
switch (input[0]) {
case 'g':
if (input[1]==' ' && input[2]) {
ptr = strchr (input+2, ' ');
if (ptr) {
*ptr = '\0';
fd = open (ptr+1, O_RDWR|O_CREAT|O_TRUNC, 0644);
if (fd == -1) {
eprintf ("Cannot open %s in read-write\n", ptr+1);
return R_FALSE;
}
r_cons_singleton ()->fdout = fd;
r_cons_strcat ("# Signatures\n");
}
r_cons_printf ("zp %s\n", input+2);
r_list_foreach (core->anal->fcns, iter, fcni) {
ut8 buf[128];
if (r_io_read_at (core->io, fcni->addr, buf, sizeof (buf)) == sizeof (buf)) {
RFlagItem *flag = r_flag_get_i (core->flags, fcni->addr);
if (flag) {
name = flag->name;
r_cons_printf ("zb %s ", name);
len = (fcni->size>sizeof (buf))?sizeof (buf):fcni->size;
for (i=0; i<len; i++) {
r_cons_printf ("%02x", buf[i]);
}
r_cons_newline ();
} else eprintf ("Unnamed function at 0x%08"PFMT64x"\n", fcni->addr);
} else eprintf ("Cannot read at 0x%08"PFMT64x"\n", fcni->addr);
}
r_cons_strcat ("zp-\n");
if (ptr) {
r_cons_flush ();
r_cons_singleton ()->fdout = 1;
close (fd);
}
} else eprintf ("Usage: zg libc [libc.sig]\n");
break;
case 'p':
if (!input[1])
r_cons_printf ("%s", core->sign->prefix);
else if (!strcmp ("-", input+1))
r_sign_prefix (core->sign, "");
else r_sign_prefix (core->sign, input+2);
break;
case 'a':
case 'b':
case 'h':
case 'f':
ptr = strchr (input+3, ' ');
if (ptr) {
*ptr = 0;
r_sign_add (core->sign, core->anal, (int)*input, input+2, ptr+1);
} else eprintf ("Usage: z%c [name] [arg]\n", *input);
break;
case 'c':
item = r_sign_check (core->sign, core->block, core->blocksize);
if (item)
r_cons_printf ("f sign.%s @ 0x%08"PFMT64x"\n", item->name, core->offset);
break;
case '-':
if (input[1] == '*')
r_sign_reset (core->sign);
else eprintf ("TODO\n");
break;
case '/':
{
// TODO: parse arg0 and arg1
ut8 *buf;
int len, idx;
ut64 ini, fin;
RSignItem *si;
RIOSection *s;
if (input[1]) {
char *ptr = strchr (input+2, ' ');
if (ptr) {
*ptr = '\0';
ini = r_num_math (core->num, input+2);
fin = r_num_math (core->num, ptr+1);
} else {
ini = core->offset;
fin = ini+r_num_math (core->num, input+2);
}
} else {
2010-07-21 10:59:11 +00:00
s = r_io_section_get (core->io, core->io->off);
if (s) {
2010-07-21 10:59:11 +00:00
ini = core->io->va?s->vaddr:s->offset;
fin = ini + (core->io->va?s->vsize:s->size);
} else {
eprintf ("No section identified, please provide range.\n");
return R_FALSE;
}
}
if (ini>=fin) {
eprintf ("Invalid range (0x%"PFMT64x"-0x%"PFMT64x").\n", ini, fin);
return R_FALSE;
}
len = fin-ini;
buf = malloc (len);
if (buf != NULL) {
eprintf ("Ranges are: 0x%08"PFMT64x" 0x%08"PFMT64x"\n", ini, fin);
r_cons_printf ("f-sign*\n");
if (r_io_read_at (core->io, ini, buf, len) == len) {
for (idx=0; idx<len; idx++) {
si = r_sign_check (core->sign, buf+idx, len-idx);
if (si) {
if (si->type == 'f')
r_cons_printf ("f sign.fun_%s_%d @ 0x%08"PFMT64x"\n",
si->name, idx, ini+idx); //core->offset);
else r_cons_printf ("f sign.%s @ 0x%08"PFMT64x"\n",
si->name, ini+idx); //core->offset+idx);
}
}
} else eprintf ("Cannot read %d bytes at 0x%08"PFMT64x"\n", len, ini);
free (buf);
} else eprintf ("Cannot alloc %d bytes\n", len);
}
break;
case '\0':
case '*':
r_sign_list (core->sign, (input[0]=='*'));
break;
default:
case '?':
r_cons_printf (
"Usage: z[abcp/*-] [arg]\n"
" z show status of zignatures\n"
" z* display all zignatures\n"
" zp display current prefix\n"
" zp prefix define prefix for following zignatures\n"
" zp- unset prefix\n"
" z-prefix unload zignatures prefixed as\n"
" z-* unload all zignatures\n"
" za ... define new zignature for analysis\n"
" zf name fmt define function zignature (fast/slow, args, types)\n"
" zb name bytes define zignature for bytes\n"
" zh name bytes define function header zignature\n"
" zg pfx [file] generate signature for current file\n"
" .zc @ fcn.foo flag signature if matching (.zc@@fcn)\n"
" z/ [ini] [end] search zignatures between these regions\n"
"NOTE: bytes can contain '.' (dots) to specify a binary mask\n");
break;
}
return 0;
}
static int cmd_rap(void *data, const char *input) {
RCore *core = (RCore *)data;
switch (input[0]) {
case '\0':
r_core_rtr_list(core);
break;
case '?':
r_core_rtr_help(core);
break;
case '+':
r_core_rtr_add(core, input+1);
break;
case '-':
r_core_rtr_remove(core, input+1);
break;
case '=':
r_core_rtr_session(core, input+1);
break;
case '<':
r_core_rtr_pushout (core, input+1);
break;
case '!':
r_io_system (core->io, input+1);
break;
default:
r_core_rtr_cmd (core, input);
}
#if 0
switch (input[0]) {
case '\0':
r_lib_list (core->lib);
r_io_plugin_list (core->io);
break;
case '?':
eprintf ("usage: =[fd] [cmd]\n"
"TODO: import the rest of functionality from r1\n");
break;
default:
r_io_set_fd (core->io, core->file->fd);
if (input[0]==' ')
input++;
r_io_system (core->io, input);
break;
}
#endif
return R_TRUE;
}
static void cmd_reg(RCore *core, const char *str) {
struct r_reg_item_t *r;
const char *name;
char *arg;
int size, i, type = R_REG_TYPE_GPR;
switch (str[0]) {
case '?':
if (str[1]) {
r_debug_reg_sync (core->dbg, R_REG_TYPE_GPR, R_FALSE);
r = r_reg_get (core->dbg->reg, str+1, R_REG_TYPE_GPR);
if (r == NULL) eprintf ("Unknown register (%s)\n", str+1);
else r_cons_printf ("0x%08"PFMT64x"\n", r_reg_get_value (core->dbg->reg, r));
} else
eprintf ("Usage: dr[*] [type] [size] - get/set registers\n"
" dr? display this help message\n"
" dr show registers in rows\n"
" dr= show registers in columns\n"
" dr?eax show value of eax register\n"
" .dr* include common register values in flags\n"
" .dr- unflag all registers\n"
" drp [file] load register metadata file\n"
" drp display current register profile\n"
" drb [type] display hexdump of gpr arena (WIP)\n"
" dr show 'gpr' registers\n"
" drt show all register types\n"
" drn [pc] get register name for pc,sp,bp,a0-3\n"
" dro show previous (old) values of registers\n"
" dr all show all registers\n"
" dr flg 1 show flag registers ('flg' is type, see drt)\n"
" dr 16 show 16 bit registers\n"
" dr 32 show 32 bit registers\n"
" dr eax=33 set register value. eax = 33\n");
// TODO: 'drs' to swap register arenas and display old register valuez
break;
case 'b':
{ // WORK IN PROGRESS // DEBUG COMMAND
int len;
const ut8 *buf = r_reg_get_bytes (core->dbg->reg, R_REG_TYPE_GPR, &len);
r_print_hexdump (core->print, 0LL, buf, len, 16, 16);
}
break;
case 'p':
if (!str[1]) {
if (core->dbg->reg->reg_profile_str) {
//core->anal->reg = core->dbg->reg;
r_cons_printf ("%s\n", core->dbg->reg->reg_profile_str);
//r_cons_printf ("%s\n", core->anal->reg->reg_profile);
} else eprintf ("No register profile defined. Try 'dr.'\n");
} else r_reg_set_profile (core->dbg->reg, str+2);
break;
case 't':
for (i=0; (name=r_reg_get_type (i)); i++)
r_cons_printf ("%s\n", name);
break;
case 'n':
name = r_reg_get_name (core->dbg->reg, r_reg_get_name_idx (str+2));
if (name && *name)
r_cons_printf ("%s\n", name);
else eprintf ("Oops. try dn [pc|sp|bp|a0|a1|a2|a3]\n");
break;
case 'd':
r_debug_reg_list (core->dbg, R_REG_TYPE_GPR, 32, 3); // XXX detect which one is current usage
break;
case 'o':
r_reg_arena_swap (core->dbg->reg, R_FALSE);
r_debug_reg_list (core->dbg, R_REG_TYPE_GPR, 32, 0); // XXX detect which one is current usage
r_reg_arena_swap (core->dbg->reg, R_FALSE);
break;
case '=':
if (r_debug_reg_sync (core->dbg, R_REG_TYPE_GPR, R_FALSE)) {
r_debug_reg_list (core->dbg, R_REG_TYPE_GPR, 32, 2); // XXX detect which one is current usage
r_debug_reg_list (core->dbg, R_REG_TYPE_GPR, 64, 2);
} else eprintf ("Cannot retrieve registers from pid %d\n", core->dbg->pid);
break;
case '*':
if (r_debug_reg_sync (core->dbg, R_REG_TYPE_GPR, R_FALSE)) {
r_debug_reg_list (core->dbg, R_REG_TYPE_GPR, 32, 1); // XXX detect which one is current usage
r_debug_reg_list (core->dbg, R_REG_TYPE_GPR, 64, 1);
} //else eprintf ("Cannot retrieve registers from pid %d\n", core->dbg->pid);
break;
case '\0':
if (r_debug_reg_sync (core->dbg, R_REG_TYPE_GPR, R_FALSE)) {
r_debug_reg_list (core->dbg, R_REG_TYPE_GPR, 32, 0);
r_debug_reg_list (core->dbg, R_REG_TYPE_GPR, 64, 0);
} //else eprintf ("Cannot retrieve registers from pid %d\n", core->dbg->pid);
break;
case ' ':
arg = strchr (str+1, '=');
if (arg) {
*arg = 0;
r = r_reg_get (core->dbg->reg, str+1, R_REG_TYPE_GPR);
if (r) {
//eprintf ("SET(%s)(%s)\n", str, arg+1);
r_cons_printf ("0x%08"PFMT64x" ->", str,
r_reg_get_value (core->dbg->reg, r));
r_reg_set_value (core->dbg->reg, r,
r_num_math (core->num, arg+1));
r_debug_reg_sync (core->dbg, R_REG_TYPE_GPR, R_TRUE);
r_cons_printf ("0x%08"PFMT64x"\n",
r_reg_get_value (core->dbg->reg, r));
} else eprintf ("Unknown register '%s'\n", str+1);
return;
}
size = atoi (str+1);
if (size==0) {
arg = strchr (str+1, ' ');
if (arg && size==0) {
*arg='\0';
size = atoi (arg);
} else size = 32;
//eprintf ("ARG(%s)\n", str+1);
type = r_reg_type_by_name (str+1);
}
//printf("type = %d\nsize = %d\n", type, size);
if (type != R_REG_TYPE_LAST) {
r_debug_reg_sync (core->dbg, type, R_FALSE);
r_debug_reg_list (core->dbg, type, size, str[0]=='*');
} else eprintf ("cmd_reg: Unknown type\n");
}
}
static void r_core_cmd_bp(RCore *core, const char *input) {
RBreakpointItem *bp;
int hwbp = r_config_get_i (core->config, "dbg.hwbp");
switch (input[1]) {
case 't':
{
int i = 0;
RList *list = r_debug_frames (core->dbg);
RListIter *iter = r_list_iterator (list);
while (r_list_iter_next (iter)) {
RDebugFrame *frame = r_list_iter_get (iter);
r_cons_printf ("%d 0x%08"PFMT64x" %d\n", i++, frame->addr, frame->size);
}
r_list_destroy (list);
}
break;
case '\0':
r_bp_list (core->dbg->bp, input[1]=='*');
break;
case '-':
r_bp_del (core->dbg->bp, r_num_math (core->num, input+2));
break;
case 'c': {
ut64 off = r_num_math (core->num, input+2);
RBreakpointItem *bpi = r_bp_get (core->dbg->bp, off);
if (bpi) {
char *arg = strchr (input+2, ' ');
if (arg) {
free (bpi->data);
bpi->data = strdup (arg+1);
} else {
free (bpi->data);
bpi->data = NULL;
}
} else eprintf ("No breakpoint defined at 0x%08"PFMT64x"\n", off);
}
break;
case 'e':
r_bp_enable (core->dbg->bp, r_num_math (core->num, input+2), 1);
break;
case 'd':
r_bp_enable (core->dbg->bp, r_num_math (core->num, input+2), 0);
break;
case 'h':
if (input[2]==' ') {
if (!r_bp_use (core->dbg->bp, input+3))
eprintf ("Invalid name: '%s'.\n", input+3);
} else r_bp_plugin_list (core->dbg->bp);
break;
case '?':
r_cons_printf (
"Usage: db[ecdht] [[-]addr] [len] [rwx] [condstring]\n"
"db ; list breakpoints\n"
"db sym.main ; add breakpoint into sym.main\n"
"db 0x804800 ; add breakpoint\n"
"db -0x804800 ; remove breakpoint\n"
"dbe 0x8048000 ; enable breakpoint\n"
"dbc 0x8048000 cmd ; run command when breakpoint is hit\n"
"dbd 0x8048000 ; disable breakpoint\n"
"dbh x86 ; set/list breakpoint plugin handlers\n"
"Unrelated:\n"
"dbt ; debug backtrace\n");
break;
default:
{
ut64 addr = r_num_math (core->num, input+2);
if (hwbp) bp = r_bp_add_hw (core->dbg->bp, addr, 1, R_BP_PROT_EXEC);
else bp = r_bp_add_sw (core->dbg->bp, addr, 1, R_BP_PROT_EXEC);
if (!bp) eprintf ("Cannot set breakpoint (%s)\n", input+2);
}
break;
}
}
/* TODO: this should be moved to the core->yank api */
// TODO: arg must be const !!! use strdup here
static int cmd_yank_to(RCore *core, char *arg) {
ut64 src = core->offset;
ut64 len = 0;
ut64 pos = -1;
char *str;
ut8 *buf;
while (*arg==' ')
arg = arg+1;
str = strchr (arg, ' ');
if (str) {
str[0]='\0';
len = r_num_math (core->num, arg);
pos = r_num_math (core->num, str+1);
str[0]=' ';
}
if ((str == NULL) || (pos == -1) || (len == 0)) {
eprintf ("Usage: yt [len] [dst-addr]\n");
return 1;
}
#if 0
if (!config_get("file.write")) {
eprintf("You are not in read-write mode.\n");
return 1;
}
#endif
buf = (ut8*)malloc (len);
r_core_read_at (core, src, buf, len);
r_core_write_at (core, pos, buf, len);
free (buf);
core->offset = src;
r_core_block_read (core, 0);
return 0;
}
static int cmd_mount(void *data, const char *_input) {
ut64 off = 0;
char *input, *oinput, *ptr, *ptr2;
RList *list;
RListIter *iter;
RFSFile *file;
RFSRoot *root;
RFSPlugin *plug;
RFSPartition *part;
RCore *core = (RCore *)data;
input = oinput = strdup (_input);
switch (*input) {
case ' ':
input++;
if (input[0]==' ')
input++;
ptr = strchr (input, ' ');
if (ptr) {
*ptr = 0;
ptr++;
ptr2 = strchr (ptr, ' ');
if (ptr2) {
*ptr2 = 0;
off = r_num_math (core->num, ptr2+1);
}
//r_io_bind (core->io, &(core->fs->iob));
if (!r_fs_mount (core->fs, input, ptr, off))
eprintf ("Cannot mount %s\n", input);
} else eprintf ("Usage: m ext2 /mnt");
break;
case '-':
r_fs_umount (core->fs, input+1);
break;
case '*':
eprintf ("List commands in radare format\n");
r_list_foreach (core->fs->roots, iter, root) {
r_cons_printf ("m %s 0x%"PFMT64x" %s\n", root->p->name, root->delta, root->path);
}
break;
case '\0':
r_list_foreach (core->fs->roots, iter, root) {
r_cons_printf ("%s\t0x%"PFMT64x"\t%s\n", root->p->name, root->delta, root->path);
}
break;
case 'l': // list of plugins
r_list_foreach (core->fs->plugins, iter, plug) {
r_cons_printf ("%s\t%s\n", plug->name, plug->desc);
}
break;
case 'd':
input++;
if (input[0]==' ')
input++;
list = r_fs_dir (core->fs, input);
if (list) {
r_list_foreach (list, iter, file) {
r_cons_printf ("%c %s\n", file->type, file->name);
}
r_list_free (list);
} else eprintf ("Cannot open '%s' directory\n", input);
break;
case 'p':
input++;
if (*input == ' ')
input++;
ptr = strchr (input, ' ');
if (ptr) {
*ptr = 0;
off = r_num_math (core->num, ptr+1);
}
list = r_fs_partitions (core->fs, input, off);
if (list) {
r_list_foreach (list, iter, part) {
r_cons_printf ("%d %02x 0x%010"PFMT64x" 0x%010"PFMT64x"\n",
part->number, part->type,
part->start, part->start+part->length);
}
r_list_free (list);
} else eprintf ("Cannot read partition\n");
break;
case 'o':
input++;
if (input[0]==' ')
input++;
file = r_fs_open (core->fs, input);
if (file) {
// XXX: dump to file or just pipe?
r_fs_read (core->fs, file, 0, file->size);
r_cons_printf ("f file %d 0x%08"PFMT64x"\n", file->size, file->off);
r_fs_close (core->fs, file);
} else eprintf ("Cannot open file\n");
break;
case 'g':
input++;
if (*input == ' ')
input++;
ptr = strchr (input, ' ');
if (ptr)
*ptr++ = 0;
else
ptr = "./";
file = r_fs_open (core->fs, input);
if (file) {
r_fs_read (core->fs, file, 0, file->size);
write (1, file->data, file->size);
r_fs_close (core->fs, file);
write (1, "\n", 1);
} else if (!r_fs_dir_dump (core->fs, input, ptr))
eprintf ("Cannot open file\n");
break;
case 'f':
input++;
switch (*input) {
case '?':
r_cons_printf (
"Usage: mf[no] [...]\n"
" mfn /foo *.c ; search files by name in /foo path\n"
" mfo /foo 0x5e91 ; search files by offset in /foo path\n"
);
break;
case 'n':
input++;
if (*input == ' ')
input++;
ptr = strchr (input, ' ');
if (ptr) {
*ptr++ = 0;
list = r_fs_find_name (core->fs, input, ptr);
r_list_foreach (list, iter, ptr) {
r_str_chop_path (ptr);
printf ("%s\n", ptr);
}
//XXX: r_list_destroy (list);
} else eprintf ("Unknown store path\n");
break;
case 'o':
input++;
if (*input == ' ')
input++;
ptr = strchr (input, ' ');
if (ptr) {
*ptr++ = 0;
ut64 off = r_num_math (core->num, ptr);
list = r_fs_find_off (core->fs, input, off);
r_list_foreach (list, iter, ptr) {
r_str_chop_path (ptr);
printf ("%s\n", ptr);
}
//XXX: r_list_destroy (list);
} else eprintf ("Unknown store path\n");
break;
}
break;
case 's':
input++;
if (input[0]==' ')
input++;
r_fs_prompt (core->fs, input);
break;
case 'y':
eprintf ("TODO\n");
break;
case '?':
r_cons_printf (
"Usage: m[-?*dgy] [...]\n"
" m ; list all mountpoints in human readable format\n"
" m* ; same as above, but in r2 commands\n"
" ml ; list filesystem plugins\n"
2011-02-18 00:43:31 +00:00
" m ext2 /mnt 0 ; mount ext2 fs at /mnt with delta 0 on IO\n"
" m-/ ; umount given path (/)\n"
" my ; yank contents of file into clipboard\n"
" mo /foo ; get offset and size of given file\n"
" mg /foo ; get contents of file/dir dumped to disk (XXX?)\n"
" mf[o|n] ; serach files for given filename or for offset\n"
" md / ; list directory contents for path\n"
" mp ; list all supported partition types\n"
" mp msdos 0 ; show partitions in msdos format at offset 0\n"
" ms /mnt ; open filesystem prompt at /mnt\n"
" m? ; show this help\n"
"TODO: support multiple mountpoints and RFile IO's (need io+core refactor)\n"
);
break;
}
free (oinput);
return 0;
}
static int cmd_yank(void *data, const char *input) {
int i;
RCore *core = (RCore *)data;
switch (input[0]) {
case ' ':
r_core_yank (core, core->offset, atoi(input+1));
break;
case 'y':
r_core_yank_paste (core, r_num_math(core->num, input+2), 0);
break;
case 'p':
r_cons_memcat ((const char*)core->yank, core->yank_len);
r_cons_newline ();
break;
case 't':
{ /* hacky implementation */
char *arg = strdup(input+1);
cmd_yank_to(core, arg);
free(arg);
}
break;
case '\0':
if (core->yank) {
r_cons_printf ("0x%08"PFMT64x" %d ",
core->yank_off, core->yank_len);
for (i=0; i<core->yank_len; i++)
r_cons_printf ("%02x", core->yank[i]);
r_cons_newline ();
} else eprintf ("No buffer yanked already\n");
break;
default:
r_cons_printf (
"Usage: y[y] [len] [[@]addr]\n"
" y ; show yank buffer information (srcoff len bytes)\n"
" y 16 ; copy 16 bytes into clipboard\n"
" y 16 0x200 ; copy 16 bytes into clipboard from 0x200\n"
" y 16 @ 0x200 ; copy 16 bytes into clipboard from 0x200\n"
" yp ; print contents of clipboard\n"
" yt 0x200 ; paste clipboard to 0x200\n"
" yy 0x3344 ; paste clipboard\n");
break;
}
return R_TRUE;
}
static int cmd_quit(void *data, const char *input) {
RCore *core = (RCore *)data;
switch (input[0]) {
case '?':
r_cons_printf (
"Usage: q[!] [retvalue]\n"
" q ; quit program\n"
" q! ; force quit (no questions)\n"
" q 1 ; quit with return value 1\n"
" q a-b ; quit with return value a-b\n");
break;
case ' ':
case '!':
input++;
case '\0':
// TODO
default:
r_line_hist_save (".radare2_history");
if (*input)
r_num_math (core->num, input);
else core->num->value = 0LL;
//exit (*input?r_num_math (core->num, input+1):0);
return -2;
}
return R_FALSE;
}
static int cmd_interpret(void *data, const char *input) {
char *str, *ptr, *eol;
RCore *core = (RCore *)data;
switch (input[0]) {
case '\0':
/* repeat last command */
/* NOTE: Plugind in r_core_cmd with ugly strcmp */
break;
case ' ':
if (!r_core_cmd_file (core, input+1))
eprintf ("Cannot interpret file.\n");
break;
case '!':
/* from command */
r_core_cmd_command (core, input+1);
break;
case '(':
//eprintf ("macro call (%s)\n", input+1);
r_cmd_macro_call (&core->cmd->macro, input+1);
break;
case '?':
r_cons_printf (
"Usage: . [file] | [!command] | [(macro)]\n"
" . foo.rs ; interpret r script\n"
" .!rabin -ri $FILE ; interpret output of command\n"
" .(foo 1 2 3) ; run macro 'foo' with args 1, 2, 3\n"
" ./ ELF ; interpret output of command /m ELF as r. commands\n");
break;
default:
ptr = str = r_core_cmd_str (core, input);
for (;;) {
eol = strchr (ptr, '\n');
if (eol) eol[0]='\0';
r_core_cmd (core, ptr, 0);
if (!eol) break;
ptr = eol+1;
}
free (str);
break;
}
return 0;
}
static int cmd_section(void *data, const char *input) {
RCore *core = (RCore *)data;
switch (input[0]) {
case '?':
r_cons_printf (
" S ; list sections\n"
" S* ; list sections (in radare commands)\n"
" S= ; list sections (in nice ascii-art bars)\n"
" S [offset] [vaddr] [size] [vsize] [name] [rwx] ; adds new section\n"
" S-[id|0xoff|*] ; remove this section definition\n");
break;
case '-':
if (input[1] == '*') {
// remove all sections
r_io_section_init (core->io);
} else
if (input[1] == '0' && input[2]=='x') {
RIOSection *s = r_io_section_get (core->io, r_num_get (NULL, input+1));
// use offset
r_io_section_rm (core->io, s->id);
} else {
r_io_section_rm (core->io, atoi (input+1));
}
break;
case ' ':
switch (input[1]) {
case '-': // remove
if (input[2]=='?' || input[2]=='\0')
eprintf ("Usage: S -N # where N is the section index\n");
else r_io_section_rm (core->io, atoi (input+1));
break;
default:
{
int i, rwx = 7;
char *ptr = strdup(input+1);
const char *name = NULL;
ut64 vaddr = 0LL;
ut64 offset = 0LL;
ut64 size = 0LL;
ut64 vsize = 0LL;
i = r_str_word_set0 (ptr);
switch (i) {
case 6: // get rwx
rwx = r_str_rwx (r_str_word_get0 (ptr, 5));
case 5: // get name
name = r_str_word_get0 (ptr, 4);
case 4: // get vsize
vsize = r_num_math (core->num, r_str_word_get0 (ptr, 3));
case 3: // get size
size = r_num_math (core->num, r_str_word_get0 (ptr, 2));
case 2: // get vaddr
vaddr = r_num_math (core->num, r_str_word_get0 (ptr, 1));
case 1: // get offset
offset = r_num_math (core->num, r_str_word_get0 (ptr, 0));
}
r_io_section_add (core->io, offset, vaddr, size, vsize, rwx, name);
free (ptr);
}
break;
}
break;
case '=':
r_io_section_list_visual (core->io, core->offset, core->blocksize);
break;
case '\0':
r_io_section_list (core->io, core->offset, 0);
break;
case '*':
r_io_section_list (core->io, core->offset, 1);
break;
}
return 0;
}
static int cmd_seek(void *data, const char *input) {
RCore *core = (RCore *)data;
char *cmd, *p;
ut64 off;
if (input[0]=='r') {
if (input[1] && input[2]) {
off = r_debug_reg_get (core->dbg, input+2);
r_core_seek (core, off, 1);
r_io_sundo_push (core->io);
} else eprintf ("Usage: 'sr pc' ; seek to register\n");
} else
if (input[0]) { // && input[1]) {
st32 delta = (input[1]==' ')?2:1;
off = r_num_math (core->num, input + delta);
if (input[0]==' ' && (input[1]=='+'||input[1]=='-'))
input = input+1;
switch (input[0]) {
case ' ':
r_core_seek (core, off, 1);
r_core_block_read (core, 0);
r_io_sundo_push (core->io);
break;
case '/':
r_core_cmdf (core, ".%s ; ? %s0_0 ; ?! s %s0_0",
input, "hit", "hit");
eprintf (".%s ; ? %s0_0 ; ?! s %s0_0\n",
input, "hit", "hit");
break;
case '*':
r_io_sundo_list (core->io);
break;
case '+':
if (input[1]!='\0') {
if (input[1]=='+') delta = core->blocksize; else delta = off;
r_core_seek_delta (core, delta);
} else if (r_io_sundo_redo (core->io))
r_core_seek (core, core->io->off, 0);
break;
case '-':
if (input[1]!='\0') {
if (input[1]=='-') delta = -core->blocksize; else delta = -off;
r_core_seek_delta (core, delta);
} else if (r_io_sundo (core->io))
r_core_seek (core, core->io->off, 0);
break;
case 'f':
r_core_seek_next (core, r_config_get (core->config, "scr.fkey"));
break;
case 'F':
r_core_seek_previous (core, r_config_get (core->config, "scr.fkey"));
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->cmd, cmd);
free (cmd);
}
r_core_seek_align (core, off, 0);
break;
case 'b':
r_core_anal_bb_seek (core, off);
break;
case '?':
r_cons_printf (
"Usage: s[+-] [addr]\n"
" s 0x320 ; seek to this address\n"
" s- ; undo seek\n"
" s+ ; redo seek\n"
" s* ; list undo seek history\n"
" s++ ; seek blocksize bytes forward\n"
" s-- ; seek blocksize bytes backward\n"
" s+ 512 ; seek 512 bytes forward\n"
" s- 512 ; seek 512 bytes backward\n"
" sa [[+-]a] [asz] ; seek asz (or bsize) aligned to addr\n"
" sf/sF ; seek next/prev scr.fkey\n"
" sb ; seek aligned to bb start\n"
" sr pc ; seek to register\n");
break;
}
} else r_cons_printf ("0x%"PFMT64x"\n", core->offset);
return 0;
}
static int cmd_help(void *data, const char *input) {
int i;
RCore *core = (RCore *)data;
char out[65];
ut64 n;
switch (input[0]) {
case 'b':
{
n = r_num_get (core->num, input+1);
r_num_to_bits (out, n);
r_cons_printf ("%s\n", out);
}
break;
case 'f':
if (input[1]==' ') {
char *q, *p = strdup (input+2);
if (!p) {
eprintf ("Cannot strdup\n");
return 0;
}
q = strchr (p, ' ');
if (q) {
*q = 0;
n = r_num_get (core->num, p);
r_str_bits (out, (const ut8*)&n, sizeof (n), q+1);
r_cons_printf ("%s\n", out);
} else eprintf ("Usage: \"?b value bitstring\"\n");
free (p);
} else eprintf ("Whitespace expected after '?b'\n");
break;
case ' ':
n = r_num_math (core->num, input+1);
r_cons_printf ("%"PFMT64d" 0x%"PFMT64x"\n", n,n);
break;
case '=':
r_num_math (core->num, input+1);
break;
case '+':
if (input[1]) {
if (core->num->value & UT64_GT0)
r_core_cmd (core, input+1, 0);
} else r_cons_printf ("0x%"PFMT64x"\n", core->num->value);
break;
case '-':
if (input[1]) {
if (core->num->value & UT64_LT0)
r_core_cmd (core, input+1, 0);
} else r_cons_printf ("0x%"PFMT64x"\n", core->num->value);
break;
case '!': // ??
if (input[1]) {
if (core->num->value != UT64_MIN)
r_core_cmd (core, input+1, 0);
} else r_cons_printf ("0x%"PFMT64x"\n", core->num->value);
break;
case '$':
return cmd_help (data, " $?");
case 'V':
r_cons_printf ("r2-%s\n", R2_VERSION);
break;
case 'z':
for (input++; input[0]==' '; input++);
core->num->value = strlen (input);
break;
case 'X':
{
for (input++; input[0]==' '; input++);
ut64 n = r_num_math (core->num, input);
r_cons_printf ("%"PFMT64x"\n", n);
}
break;
case 'x':
for (input++; input[0]==' '; input++);
if (!memcmp (input, "0x", 2) || (*input>='0' && *input<='9')) {
ut64 n = r_num_math (core->num, input);
int bits = r_num_to_bits (NULL, n) / 8;
for (i=0; i<bits; i++)
r_cons_printf ("%02x", (ut8)((n>>(i*8)) &0xff));
r_cons_newline ();
} else {
for (i=0; input[i]; i++)
r_cons_printf ("%02x", input[i]);
r_cons_newline ();
}
break;
case 'e': // echo
for (input++; *input==' '; input++);
r_cons_printf ("%s\n", input);
break;
case 's': // sequence from to step
{
ut64 from, to, step;
char *p, *p2;
for (input++; *input==' '; input++);
p = strchr (input, ' ');
if (p) {
*p='\0';
from = r_num_math (core->num, input);
p2 = strchr (p+1, ' ');
if (p2) {
*p2='\0';
step = r_num_math (core->num, p2+1);
} else step = 1;
to = r_num_math (core->num, p+1);
for (;from<=to;from+=step)
r_cons_printf ("%"PFMT64d" ", from);
r_cons_newline();
}
}
break;
case 'i': // input num
{
char foo[1024];
for (input++; *input==' '; input++);
eprintf ("%s: ", input);
fgets (foo, sizeof (foo)-1, stdin);
core->num->value = r_num_math (core->num, foo);
}
break;
case 't': {
struct r_prof_t prof;
r_prof_start (&prof);
r_core_cmd (core, input+1, 0);
r_prof_end (&prof);
core->num->value = (ut64)prof.result;
eprintf ("%lf\n", prof.result);
} break;
case '?': // ???
if (input[1]=='?') {
r_cons_printf (
"Usage: ?[?[?]] expression\n"
" ? eip-0x804800 ; calculate result for this math expr\n"
" ?= eip-0x804800 ; same as above without user feedback\n"
" ?? [cmd] ; ? == 0 run command when math matches\n"
" ?i prompt ; prompt for number and store in $$?\n"
" ?e string ; echo string\n"
" ?b [num] ; show binary value of number\n"
" ?f [num] [str] ; map each bit of the number as flag string index\n"
" ?s from to step ; sequence of numbers from to by steps\n"
" ?x num|0xnum|str; returns the hexpair of number or string\n"
" ?X num|expr ; returns the hexadecimal value numeric expr\n"
" ?z str ; returns the length of string (0 if null)\n"
" ?t cmd ; returns the time to run a command\n"
" ?! [cmd] ; ? != 0\n"
" ?+ [cmd] ; ? > 0\n"
" ?- [cmd] ; ? < 0\n"
" ??? ; show this help\n"
"$variables:\n"
" $$ = here (current seek)\n"
" $o = here (current io offset)\n"
" $s = file size\n"
" $b = block size\n"
" $j = jump address\n"
" $f = address of next opcode\n"
" $r = opcode reference pointer\n"
" $e = 1 if end of block, else 0\n"
" ${eval} = get value of eval variable\n"
" $? = last comparision value\n");
return 0;
} else
if (input[1]) {
if (core->num->value == UT64_MIN)
r_core_cmd (core, input+1, 0);
} else r_cons_printf ("0x%"PFMT64x"\n", core->num->value);
break;
case '\0':
default:
r_cons_printf (
" a ; perform analysis of code\n"
" b [bsz] ; get or change block size\n"
" c[dqxXfg] [arg] ; compare block with given data\n"
" C[Cf..] ; Code metadata management\n"
" d[hrscb] ; debugger commands\n"
" e [a[=b]] ; list/get/set config evaluable vars\n"
" f [name][sz][at] ; set flag at current address\n"
" s [addr] ; seek to address\n"
" S?[size] [vaddr] ; IO section manipulation information\n"
" i [file] ; get info about opened file\n"
" o [file] (addr) ; open file at optional address\n"
" p?[len] ; print current block with format and length\n"
" V[vcmds] ; enter visual mode (vcmds=visualvisual keystrokes)\n"
" w[mode] [arg] ; multiple write operations\n"
" x [len] ; alias for 'px' (print hexadecimal)\n"
" y [len] [off] ; yank/paste bytes from/to memory\n"
" r[+- ][len] ; resize file\n"
" ? [expr] ; help or evaluate math expression\n"
" /[xmp/] ; search for bytes, regexps, patterns, ..\n"
" ![cmd] ; run given command as in system(3)\n"
" = [cmd] ; run this command via rap://\n"
" #[algo] [len] ; calculate hash checksum of current block\n"
" .[ file|!cmd|cmd|(macro)] ; interpret as radare cmds\n"
" :command ; list or execute a plugin command\n"
" (macro arg0 arg1) ; define scripting macros\n"
" q [ret] ; quit program with a return value\n"
"Use '?""?""?' evaluation, special vars and scripting facilities\n"
"Append '?' to any char command to get detailed help\n"
"Suffix '@ addr[:bsize]' for a temporary seek and/or bsize\n"
"Suffix '~string:linenumber[column]' to filter output\n"
);
break;
}
return 0;
}
static int cmd_bsize(void *data, const char *input) {
RFlagItem *flag;
RCore *core = (RCore *)data;
switch (input[0]) {
case 'f':
if (input[1]==' ') {
flag = r_flag_get (core->flags, input+2);
if (flag)
r_core_block_size (core, flag->size);
else eprintf ("bf: Cannot find flag named '%s'\n", input+2);
} else eprintf ("Usage: bf [flagname]\n");
break;
case '\0':
r_cons_printf ("0x%x\n", core->blocksize);
break;
case '?':
r_cons_printf ("Usage: b[f] [arg]\n"
" b # display current block size\n"
" b 33 # set block size to 33\n"
" b eip+4 # numeric argument can be an expression\n"
" bf foo # set block size to flag size\n");
break;
default:
//input = r_str_clean(input);
r_core_block_size (core, r_num_math (core->num, input));
break;
}
return 0;
}
// move it out // r_diff maybe?
static int radare_compare(RCore *core, const ut8 *f, const ut8 *d, int len) {
int i, eq = 0;
for (i=0;i<len;i++) {
if (f[i]==d[i]) {
eq++;
continue;
}
r_cons_printf ("0x%08"PFMT64x" (byte=%.2d) %02x '%c' -> %02x '%c'\n",
core->offset+i, i+1,
f[i], (IS_PRINTABLE(f[i]))?f[i]:' ',
d[i], (IS_PRINTABLE(d[i]))?d[i]:' ');
}
eprintf ("Compare %d/%d equal bytes\n", eq, len);
return len-eq;
}
static int cmd_cmp(void *data, const char *input) {
RCore *core = data;
FILE *fd;
ut8 *buf;
int ret;
ut32 v32;
ut64 v64;
switch (*input) {
case ' ':
radare_compare (core, core->block, (ut8*)input+1, strlen (input+1)+1);
break;
case 'x':
if (input[1]!=' ') {
eprintf ("Usage: cx 001122'\n");
return 0;
}
buf = (ut8*)malloc (strlen (input+2));
ret = r_hex_str2bin (input+2, buf);
if (ret<1) eprintf ("Cannot parse hexpair\n");
else radare_compare (core, core->block, buf, ret);
free (buf);
break;
case 'X':
buf = malloc (core->blocksize);
ret = r_io_read_at (core->io, r_num_math (core->num, input+1), buf, core->blocksize);
radare_compare (core, core->block, buf, ret);
free (buf);
break;
case 'f':
if (input[1]!=' ') {
eprintf ("Please. use 'cf [file]'\n");
return 0;
}
fd = fopen (input+2, "rb");
if (fd == NULL) {
eprintf ("Cannot open file '%s'\n", input+2);
return 0;
}
buf = (ut8 *)malloc (core->blocksize);
fread (buf, 1, core->blocksize, fd);
fclose (fd);
radare_compare (core, core->block, buf, core->blocksize);
free (buf);
break;
case 'q':
v64 = (ut64) r_num_math (core->num, input+1);
radare_compare (core, core->block, (ut8*)&v64, sizeof (v64));
break;
case 'd':
v32 = (ut32) r_num_math (core->num, input+1);
radare_compare (core, core->block, (ut8*)&v32, sizeof (v32));
break;
#if 0
case 'c':
radare_compare_code (
r_num_math (core->num, input+1),
core->block, core->blocksize);
break;
case 'D':
{ // XXX ugly hack
char cmd[1024];
sprintf (cmd, "radiff -b %s %s", ".curblock", input+2);
r_file_dump (".curblock", config.block, config.block_size);
radare_system(cmd);
unlink(".curblock");
}
break;
#endif
case 'g':
{
RCore *core2;
char *file2 = (char*)r_str_chop_ro (input+1);
if (!(core2 = r_core_new ())) {
eprintf ("Cannot init diff core\n");
return R_FALSE;
}
core2->io->va = core->io->va;
core2->anal->split = core->anal->split;
if (!r_core_file_open (core2, file2, 0, 0LL)) {
eprintf ("Cannot open diff file '%s'\n", file2);
r_core_free (core2);
return R_FALSE;
}
2011-02-11 14:42:38 +00:00
r_core_bin_load (core2, file2);
r_core_gdiff (core, core2);
r_core_free (core2);
}
break;
case '?':
r_cons_strcat (
"Usage: c[?cdfx] [argument]\n"
" c [string] Compares a plain with escaped chars string\n"
//" cc [offset] Code bindiff current block against offset\n"
" cd [value] Compare a doubleword from a math expression\n"
//" cD [file] Like above, but using radiff -b\n");
" cq [value] Compare a quadword from a math expression\n"
" cx [hexpair] Compare hexpair string\n"
" cX [addr] Like 'cc' but using hexdiff output\n"
" cf [file] Compare contents of file at current seek\n"
" cg [file] Graphdiff current file and [file]\n");
break;
default:
eprintf ("Usage: c[?Ddxf] [argument]\n");
}
return 0;
}
static int cmd_info(void *data, const char *input) {
RCore *core = (RCore *)data;
char buf[1024];
switch (*input) {
case 's':
case 'i':
case 'I':
case 'e':
case 'S':
case 'z':
snprintf (buf, sizeof (buf), "rabin2 -%c%s%s '%s'", input[0],
input[1]=='*'?"r":"", core->io->va?"v":"", core->file->filename);
r_sys_cmd (buf);
break;
case '?':
r_cons_printf (
"Usage: i[eiIsSz]* ; get info from opened file (rabin2)\n"
"; Append a '*' to get the output in radare commands\n"
" ii ; imports\n"
" iI ; binary info\n"
" ie ; entrypoint\n"
" is ; symbols\n"
" iS ; sections\n"
" iz ; strings\n");
break;
case '*':
break;
default:
if (core->file) {
r_cons_printf ("uri: %s\n", core->file->uri);
r_cons_printf ("fd: %d\n", core->file->fd->fd);
r_cons_printf ("filesize: 0x%x\n", core->file->size);
r_cons_printf ("blocksize: 0x%x\n", core->blocksize);
} else eprintf ("No selected file\n");
}
return 0;
}
static void r_core_magic_at(RCore *core, const char *file, ut64 addr, int depth, int v) {
#if HAVE_LIB_MAGIC
char *fmt, *q, *p;
const char *str;
magic_t ck;
if (depth--<0)
return;
if (addr != core->offset)
r_core_seek (core, addr, R_TRUE);
if (*file == ' ') file++;
if (!*file) file = NULL;
ck = magic_open (0);
if (magic_load (ck, file) == -1) {
eprintf ("r_core_magic(\"%s\") %s\n", file, magic_error (ck));
return;
}
if (v) r_cons_printf ("# pm %s @ 0x%"PFMT64x"\n", file?file:"", addr);
str = magic_buffer (ck, core->block, core->blocksize);
if (str) {
if (!v && !strcmp (str, "data"))
return;
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));
}
r_cons_printf ("%s\n", p);
// walking childs
for (q=p; *q; q++) {
switch (*q) {
case ' ':
fmt = q+1;
break;
case '@':
*q = 0;
if (!memcmp (q+1, "0x", 2))
sscanf (q+3, "%"PFMT64x, &addr);
else sscanf (q+1, "%"PFMT64d, &addr);
r_core_magic_at (core, fmt, addr, depth, v);
*q = '@';
}
}
free (p);
}
magic_close (ck);
#else
eprintf ("r_core_magic: Compiled without magic :(\n");
#endif
}
static void r_core_magic(RCore *core, const char *file, int v) {
int depth = r_config_get_i (core->config, "magic.depth");
ut64 addr = core->offset;
r_core_magic_at (core, file, addr, depth, v);
if (addr != core->offset)
r_core_seek (core, addr, R_TRUE);
}
static int cmd_print(void *data, const char *input) {
RCore *core = (RCore *)data;
2011-02-23 12:25:41 +00:00
int i, l, len = core->blocksize;
ut32 tbs = core->blocksize;
/* TODO: Change also blocksize for 'pd'.. */
if (input[0] && input[1]) {
l = (int) r_num_math (core->num, input+2);
/* except disasm and memoryfmt (pd, pm) */
if (input[0] != 'd' && input[0] != 'm') {
2010-02-12 02:17:32 +00:00
if (l>0) len = l;
if (l>tbs) r_core_block_size (core, l);
l = len;
2010-02-12 02:17:32 +00:00
}
} else l = len;
i = r_config_get_i (core->config, "cfg.maxbsize");
if (i && l > i) {
eprintf ("This block size is too big. Did you mean 'p%c @ %s' instead?\n",
*input, input+2);
return R_FALSE;
}
core->num->value = len;
switch (*input) {
2011-02-23 12:25:41 +00:00
case '%':
{
ut64 off = core->io->off;
ut64 s = core->file?core->file->size:0;
ut64 piece = 0;
int w = core->print->cols * 4;
piece = s/w;
r_cons_strcat (" [");
for (i=0; i<w; i++) {
ut64 from = (piece*i);
ut64 to = from+piece;
if (off>=from && off<to)
r_cons_memcat ("#", 1);
else r_cons_memcat (".", 1);
// TODO: print where flags are.. code, ..
}
r_cons_strcat ("]\n");
}
2011-02-23 12:25:41 +00:00
break;
case '=':
for (i=0; i<core->blocksize; i++) {
int pc = (core->block[i]*100)/255;
r_print_addr (core->print, core->offset+i);
r_cons_printf ("%02x", core->block[i]);
r_print_progressbar (core->print, pc, 70);
r_cons_newline ();
}
break;
case 'b':
{
char *buf;
int size = core->blocksize * 8;
buf = malloc (size);
if (buf) {
r_str_bits (buf, core->block, size, NULL);
r_cons_printf ("%s\n", buf);
free (buf);
} else eprintf ("ERROR: Cannot malloc %d bytes\n", size);
}
break;
2010-02-12 02:17:32 +00:00
case 'D':
case 'd':
if (input[1]=='f') {
RAnalFcn *f = r_anal_fcn_find (core->anal, core->offset,
R_ANAL_FCN_TYPE_FCN|R_ANAL_FCN_TYPE_SYM);
if (f) {
ut8 *block = malloc (f->size+1);
if (block) {
r_core_read_at (core, f->addr, block, f->size);
core->num->value = r_print_disasm (core->print, core, f->addr, block, f->size, 9999);
free (block);
}
} else eprintf ("Cannot find function at 0x%08"PFMT64x"\n", core->offset);
}
//if (core->visual)
// l = core->cons->rows-core->cons->lines;
if (l<0) {
RList *bwdhits;
RListIter *iter;
RCoreAsmHit *hit;
ut8 *block = malloc (core->blocksize);
if (block) {
l = -l;
bwdhits = r_core_asm_bwdisassemble (core, core->offset, l, core->blocksize);
if (bwdhits) {
r_list_foreach (bwdhits, iter, hit) {
r_core_read_at (core, hit->addr, block, core->blocksize);
core->num->value = r_print_disasm (core->print, core, hit->addr, block, core->blocksize, l);
r_cons_printf ("------\n");
}
r_list_free (bwdhits);
}
free (block);
}
} else {
core->num->value = r_print_disasm (core->print, core, core->offset, core->block, len, l);
}
break;
case 's':
if (input[1]=='p') {
int mylen = core->block[0];
// TODO: add support for 2-4 byte length pascal strings
r_print_string (core->print, core->offset, core->block+1, mylen, 0, 1, 0); //, 78, 1);
core->num->value = mylen;
} else r_print_string (core->print, core->offset, core->block, len, 0, 1, 0); //, 78, 1);
break;
case 'S':
r_print_string (core->print, core->offset, core->block, len, 1, 1, 0); //, 78, 1);
break;
case 'm':
r_core_magic (core, input+1, R_TRUE);
break;
case 'u':
r_print_string (core->print, core->offset, core->block, len, 0, 1, 1); //, 78, 1);
break;
case 'U':
r_print_string (core->print, core->offset, core->block, len, 1, 1, 1); //, 78, 1);
break;
case 'c':
r_print_code (core->print, core->offset, core->block, len); //, 78, 1);
break;
case 'r':
r_print_raw (core->print, core->block, len);
break;
case 'o':
r_print_hexdump (core->print, core->offset, core->block, len, 8, 1); //, 78, !(input[1]=='-'));
break;
case 'x':
r_print_hexdump (core->print, core->offset, core->block, len, 16, 1); //, 78, !(input[1]=='-'));
break;
case '6':
{
int malen = (core->blocksize*4)+1;
ut8 *buf = malloc (malen);
memset (buf, 0, malen);
switch (input[1]) {
case 'e':
r_base64_encode (buf, core->block, core->blocksize);
printf ("%s\n", buf);
break;
case 'd':
if (r_base64_decode (buf, core->block, core->blocksize))
printf ("%s\n", buf);
else eprintf ("r_base64_decode: invalid stream\n");
break;
default:
eprintf ("Usage: p6[ed] [len] ; base 64 encode/decode\n");
break;
}
free (buf);
}
break;
case '8':
r_print_bytes (core->print, core->block, len, "%02x");
break;
case 'f':
r_print_format (core->print, core->offset, core->block, len, input+1);
break;
case 'n': // easter penis
for (l=0; l<10; l++) {
printf ("\r8");
for (len=0;len<l;len++)
printf ("=");
printf ("D");
r_sys_usleep (100000);
fflush (stdout);
}
for (l=0; l<3; l++) {
printf ("~");
fflush (stdout);
r_sys_usleep (100000);
}
printf ("\n");
break;
case 't':
switch (input[1]) {
case ' ':
case '\0':
for (l=0; l<len; l+=sizeof (time_t))
r_print_date_unix (core->print, core->block+l, sizeof (time_t));
break;
case 'd':
for (l=0; l<len; l+=4)
r_print_date_dos (core->print, core->block+l, 4);
break;
case 'n':
for (l=0; l<len; l+=sizeof (ut64))
r_print_date_w32 (core->print, core->block+l, sizeof (ut64));
break;
case '?':
r_cons_printf (
"Usage: pt[dn?]\n"
" pt print unix time\n"
" ptd print dos time\n"
" ptn print ntfs time\n"
" pt? show help message\n");
break;
}
break;
case 'Z':
if (input[1]=='?') {
r_cons_printf (
"Usage: pZ [len]\n"
" print N bytes where each byte represents a block of filesize/N\n"
"Configuration:\n"
" zoom.maxsz : max size of block\n"
" zoom.from : start address\n"
" zoom.to : end address\n"
" zoom.byte : specify how to calculate each byte\n"
" p : number of printable chars\n"
" f : count of flags in block\n"
" s : strings in range\n"
" 0 : number of bytes with value '0'\n"
" F : number of bytes with value 0xFF\n"
" e : calculate entropy and expand to 0-255 range\n"
" h : head (first byte value)\n"
"WARNING: On big files, use 'zoom.byte=h' or restrict ranges\n");
} else {
char *oldzoom = NULL;
ut64 maxsize = r_config_get_i (core->config, "zoom.maxsz");
ut64 from = r_config_get_i (core->config, "zoom.from");
ut64 to = r_config_get_i (core->config, "zoom.to");
if (input[1] != '\0' && input[1] != ' ') {
oldzoom = strdup (r_config_get (core->config, "zoom.byte"));
if (!r_config_set (core->config, "zoom.byte", input+1)) {
eprintf ("Invalid zoom.byte mode (%s)\n", input+1);
free (oldzoom);
return R_FALSE;
}
}
r_print_zoom (core->print, core, printzoomcallback,
from, to, core->blocksize, (int)maxsize);
if (oldzoom) {
r_config_set (core->config, "zoom.byte", oldzoom);
free (oldzoom);
}
}
break;
default:
r_cons_printf (
"Usage: p[fmt] [len]\n"
2011-02-23 12:25:41 +00:00
" p= [len] print byte percentage bars\n"
" p6[de] [len] base64 decode/encode\n"
" p8 [len] 8bit hexpair list of bytes\n"
" pb [len] bitstream of N bytes\n"
" pd [len] disassemble N opcodes\n"
" pD [len] disassemble N bytes\n"
" po [len] octal dump of N bytes\n"
" pc [len] output C format\n"
" pf [fmt] print formatted data\n"
" pm [magic] print libmagic data\n"
" ps [len] print string\n"
" psp print pascal string\n"
" pS [len] print wide string\n"
" pt [len] print diferent timestamps\n"
" pr [len] print N raw bytes\n"
" pu [len] print N url encoded bytes\n"
" pU [len] print N wide url encoded bytes\n"
" px [len] hexdump of N bytes\n"
" pZ [len] print zoom view (see pZ? for help)\n");
break;
}
if (tbs != core->blocksize)
r_core_block_size (core, tbs);
return 0;
}
static int cmd_hexdump(void *data, const char *input) {
return cmd_print (data, input-1);
}
static int cmd_flag(void *data, const char *input) {
RCore *core = (RCore *)data;
int len = strlen (input)+1;
char *str = alloca (len);
ut64 off = core->offset;
memcpy (str, input+1, len);
switch (input[0]) {
case '+':
r_flag_set (core->flags, str, off, core->blocksize, 1);
break;
case ' ': {
char *s = NULL, *s2 = NULL;
ut32 bsze = core->blocksize;
s = strchr (str, ' ');
if (s) {
*s = '\0';
s2 = strchr (s+1, ' ');
if (s2) {
*s2 = '\0';
if (s2[1]&&s2[2])
off = r_num_math (core->num, s2+1);
}
bsze = r_num_math (core->num, s+1);
}
r_flag_set (core->flags, str, off, bsze, 0);
if (s) *s=' ';
if (s2) *s2=' ';
}
break;
case '-':
if (input[1]) {
if (strchr (input+1, '*'))
r_flag_unset_glob (core->flags, input+1);
else r_flag_unset (core->flags, input+1, NULL);
} else r_flag_unset_i (core->flags, off, NULL);
break;
case 'S':
r_flag_sort (core->flags, (input[1]=='n'));
break;
case 's':
if (input[1]==' ') r_flag_space_set (core->flags, input+2);
else r_flag_space_list (core->flags);
break;
case 'o':
{
char *file = PREFIX"/share/doc/radare2/fortunes";
char *line = r_file_slurp_random_line (file);
if (line) {
r_cons_printf (" -- %s\n", line);
free (line);
}
}
break;
case 'r':
{
char *old, *new;
RFlagItem *item;
old = str+1;
new = strchr (old, ' ');
if (new) {
*new = 0;
new++;
item = r_flag_get (core->flags, old);
} else {
new = old;
item = r_flag_get_i (core->flags, core->offset);
}
if (item) {
r_flag_rename (core->flags, item, new);
} else eprintf ("Cannot find flag\n");
}
break;
case '*':
r_flag_list (core->flags, 1);
break;
case '\0':
r_flag_list (core->flags, 0);
break;
case '?':
r_cons_printf (
"Usage: f[?] [flagname]\n"
" f name 12 @ 33 ; set flag 'name' with size 12 at 33\n"
" f name 12 33 ; same as above\n"
" f+name 12 @ 33 ; like above but creates new one if doesnt exist\n"
" f-name ; remove flag 'name'\n"
" f-@addr ; remove flag at address expression\n"
" f ; list flags\n"
" f* ; list flags in r commands\n"
" fr [old] [new] ; rename flag\n"
" fs functions ; set flagspace\n"
" fs * ; set no flagspace\n"
" fs ; display flagspaces\n"
" fS[on] ; sort flags by offset or name\n");
break;
}
return 0;
}
static void cmd_syscall_do(RCore *core, int num) {
int i;
char str[64];
RSyscallItem *item = r_syscall_get (core->anal->syscall, num, -1);
if (item == NULL) {
r_cons_printf ("%d = unknown ()", num);
return;
}
r_cons_printf ("%d = %s (", item->num, item->name);
// TODO: move this to r_syscall
for (i=0; i<item->args; i++) {
ut64 arg = r_debug_arg_get (core->dbg, R_TRUE, i+1);
if (item->sargs==NULL)
r_cons_printf ("0x%08"PFMT64x"", arg);
else
switch (item->sargs[i]) {
case 'p': // pointer
r_cons_printf ("0x%08"PFMT64x"", arg);
break;
case 'i':
r_cons_printf ("%"PFMT64d"", arg);
break;
case 'z':
r_io_read_at (core->io, arg, (ut8*)str, sizeof (str));
// TODO: filter zero terminated string
str[63] = '\0';
r_str_filter (str, strlen (str));
r_cons_printf ("\"%s\"", str);
break;
default:
r_cons_printf ("0x%08"PFMT64x"", arg);
break;
}
if (i+1<item->args)
r_cons_printf (", ");
}
r_cons_printf (")\n");
}
#if 1
/* TODO: Move into cmd_anal() */
static void var_help() {
eprintf("Try afv?\n");
eprintf(" afv 12 int buffer[3]\n");
eprintf(" afv 12 byte buffer[1024]\n");
eprintf("Try af[aAv][gs] [delta] [[addr]]\n");
eprintf(" afag 0 = arg0 get\n");
eprintf(" afvs 12 = var12 set\n");
eprintf("a = arg, A = fastarg, v = var\n");
eprintf("TODO: [[addr]] is not yet implemented. use @\n");
}
static int var_cmd(RCore *core, const char *str) {
RAnalFcn *fcn = r_anal_fcn_find (core->anal, core->offset,
R_ANAL_FCN_TYPE_FCN|R_ANAL_FCN_TYPE_SYM);
char *p,*p2,*p3;
int type, delta, len = strlen(str)+1;
p = alloca (len); // XXX: remove this alloca
memcpy (p, str, len);
str = p;
switch (*str) {
case 'V': // show vars in human readable format
r_anal_var_list_show (core->anal, fcn, core->offset);
return 0;
case '?':
var_help ();
return 0;
case 'v': // frame variable
case 'a': // stack arg
case 'A': // fastcall arg
// XXX nested dup
switch (*str) {
case 'v': type = R_ANAL_VAR_TYPE_LOCAL|R_ANAL_VAR_DIR_NONE; break;
case 'a': type = R_ANAL_VAR_TYPE_ARG|R_ANAL_VAR_DIR_IN; break;
case 'A': type = R_ANAL_VAR_TYPE_ARGREG|R_ANAL_VAR_DIR_IN; break;
default:
eprintf ("Unknown type\n");
return 0;
}
/* Variable access CFvs = set fun var */
switch(str[1]) {
case '\0': r_anal_var_list (core->anal, fcn, 0, 0); return 0;
case '?': var_help(); return 0;
case '.': r_anal_var_list (core->anal, fcn, core->offset, 0); return 0;
case 's':
case 'g':
if (str[2]!='\0') {
if (fcn != NULL) {
RAnalVar *var = r_anal_var_get (core->anal, fcn, atoi (str+2), R_ANAL_VAR_TYPE_LOCAL);
if (var != NULL)
return r_anal_var_access_add (core->anal, var, atoi (str+2), (str[1]=='g')?0:1);
eprintf ("Can not find variable in: '%s'\n", str);
} else eprintf ("Unknown variable in: '%s'\n", str);
return R_FALSE;
2011-03-10 20:38:56 +00:00
} else eprintf ("Missing argument\n");
break;
}
str++;
if (str[0]==' ') str++;
delta = atoi (str);
p = strchr (str, ' ');
if (p==NULL) {
var_help();
return 0;
}
p[0]='\0'; p++;
p2 = strchr (p, ' ');
if (p2) {
p2[0]='\0'; p2 = p2+1;
p3 = strchr (p2,'[');
if (p3 != NULL) {
p3[0]='\0';
p3=p3+1;
}
r_anal_var_add (core->anal, fcn, core->offset, delta, type, p, p2, p3?atoi(p3):0);
} else var_help ();
break;
default:
var_help ();
break;
}
return 0;
}
#endif
static int cmd_anal(void *data, const char *input) {
const char *ptr;
RCore *core = (RCore *)data;
int l, len = core->blocksize;
ut64 addr = core->offset;
ut32 tbs = core->blocksize;
if (input[0] && input[1]) {
l = (int) r_num_get (core->num, input+2);
if (l>0) len = l;
if (l>tbs) {
r_core_block_size (core, l);
len = l;
}
}
switch (input[0]) {
case 'o':
if (input[1] == '?') {
r_cons_printf (
"Usage: ao[e?] [len]\n"
" aoe ; emulate opcode at current offset\n"
" aoe 4 ; emulate 4 opcodes starting at current offset\n"
" ao 5 ; display opcode analysis of 5 opcodes\n");
} else
if (input[1] == 'e') {
eprintf ("TODO: r_anal_op_execute\n");
} else {
int ret, idx;
ut8 *buf = core->block;
RAnalOp op;
for (idx=ret=0; idx<len; idx+=ret) {
ret = r_anal_op (core->anal, &op,
core->offset+idx, buf + idx, (len-idx));
if (ret<1) {
eprintf ("Oops at 0x%08"PFMT64x"\n", core->offset+idx);
break;
}
r_cons_printf ("addr: 0x%08"PFMT64x"\n", core->offset+idx);
r_cons_printf ("size: %d\n", op.length);
r_cons_printf ("type: %d\n", op.type); // TODO: string
r_cons_printf ("eob: %d\n", op.eob);
r_cons_printf ("jump: 0x%08"PFMT64x"\n", op.jump);
r_cons_printf ("fail: 0x%08"PFMT64x"\n", op.fail);
r_cons_printf ("stack: %d\n", op.stackop); // TODO: string
r_cons_printf ("cond: %d\n", op.cond); // TODO: string
r_cons_printf ("family: %d\n", op.family);
r_cons_printf ("\n");
//r_cons_printf ("false: 0x%08"PFMT64x"\n", core->offset+idx);
}
}
break;
case 'f':
switch (input[1]) {
case '-':
r_anal_fcn_del (core->anal, r_num_math (core->num, input+2));
break;
case '+':
{
char *ptr = strdup(input+3), *ptr2;
int n = r_str_word_set0 (ptr);
const char *name = NULL;
ut64 addr = -1LL;
ut64 size = 0LL;
RAnalDiff *diff = NULL;
int type = R_ANAL_FCN_TYPE_FCN;
if (n > 2) {
switch(n) {
case 5:
ptr2 = r_str_word_get0 (ptr, 4);
if (!(diff = r_anal_diff_new ())) {
eprintf ("error: Cannot init RAnalDiff\n");
free (ptr);
return R_FALSE;
}
if (ptr2[0] == 'm')
diff->type = R_ANAL_DIFF_TYPE_MATCH;
else if (ptr2[0] == 'u')
diff->type = R_ANAL_DIFF_TYPE_UNMATCH;
case 4:
ptr2 = r_str_word_get0 (ptr, 3);
if (strchr (ptr2, 'l'))
type = R_ANAL_FCN_TYPE_LOC;
else if (strchr (ptr2, 'i'))
type = R_ANAL_FCN_TYPE_IMP;
else if (strchr (ptr2, 's'))
type = R_ANAL_FCN_TYPE_SYM;
else type = R_ANAL_FCN_TYPE_FCN;
case 3:
name = r_str_word_get0 (ptr, 2);
case 2:
size = r_num_math (core->num, r_str_word_get0 (ptr, 1));
case 1:
addr = r_num_math (core->num, r_str_word_get0 (ptr, 0));
}
if (!r_anal_fcn_add (core->anal, addr, size, name, type, diff))
eprintf ("Cannot add function (duplicated)\n");
}
r_anal_diff_free (diff);
free (ptr);
}
break;
case 'l':
r_core_anal_fcn_list (core, input+2, 0);
break;
case '*':
r_core_anal_fcn_list (core, input+2, 1);
break;
case 's': {
ut64 addr;
RAnalFcn *f;
const char *arg = input+3;
if (input[2] && (addr = r_num_math (core->num, arg))) {
arg = strchr (arg, ' ');
if (arg) arg++;
} else addr = core->offset;
if ((f = r_anal_fcn_find (core->anal, addr, R_ANAL_FCN_TYPE_NULL))) {
if (arg && *arg) {
r_anal_fcn_from_string (core->anal, f, arg);
} else {
char *str = r_anal_fcn_to_string (core->anal, f);
r_cons_printf ("%s\n", str);
free (str);
}
} else eprintf("No function defined at 0x%08"PFMT64x"\n", addr);
}
break;
case 'a':
case 'A':
case 'v':
var_cmd (core, input+1);
break;
case 'c':
{
RAnalFcn *fcn;
int cc;
if ((fcn = r_anal_get_fcn_at (core->anal, core->offset)) != NULL) {
cc = r_anal_fcn_cc (fcn);
r_cons_printf ("Cyclomatic Complexity at 0x%08"PFMT64x" = %i\n", core->offset, cc);
} else r_cons_printf ("Error: function not found\n");
}
break;
case 'b':
{
char *ptr = strdup(input+3), *ptr2 = NULL;
ut64 fcnaddr = -1LL, addr = -1LL;
ut64 size = 0LL;
ut64 jump = -1LL;
ut64 fail = -1LL;
int type = R_ANAL_BB_TYPE_NULL;
RAnalFcn *fcn = NULL;
RAnalDiff *diff = NULL;
switch(r_str_word_set0 (ptr)) {
case 7:
ptr2 = r_str_word_get0 (ptr, 6);
if (!(diff = r_anal_diff_new ())) {
eprintf ("error: Cannot init RAnalDiff\n");
free (ptr);
return R_FALSE;
}
if (ptr2[0] == 'm')
diff->type = R_ANAL_DIFF_TYPE_MATCH;
else if (ptr2[0] == 'u')
diff->type = R_ANAL_DIFF_TYPE_UNMATCH;
case 6:
ptr2 = r_str_word_get0 (ptr, 5);
if (strchr (ptr2, 'h'))
type |= R_ANAL_BB_TYPE_HEAD;
if (strchr (ptr2, 'b'))
type |= R_ANAL_BB_TYPE_BODY;
if (strchr (ptr2, 'l'))
type |= R_ANAL_BB_TYPE_LAST;
if (strchr (ptr2, 'f'))
type |= R_ANAL_BB_TYPE_FOOT;
case 5: // get fail
fail = r_num_math (core->num, r_str_word_get0 (ptr, 4));
case 4: // get jump
jump = r_num_math (core->num, r_str_word_get0 (ptr, 3));
case 3: // get size
size = r_num_math (core->num, r_str_word_get0 (ptr, 2));
case 2: // get addr
addr = r_num_math (core->num, r_str_word_get0 (ptr, 1));
case 1: // get fcnaddr
fcnaddr = r_num_math (core->num, r_str_word_get0 (ptr, 0));
}
if ((fcn = r_anal_get_fcn_at (core->anal, fcnaddr)) == NULL ||
!r_anal_fcn_add_bb (fcn, addr, size, jump, fail, type, diff))
eprintf ("Error: Cannot add bb\n");
r_anal_diff_free (diff);
free (ptr);
}
break;
case '?':
r_cons_printf (
"Usage: af[?+-l*]\n"
" af @ [addr] ; Analyze functions (start at addr)\n"
" af+ addr size name [type] [diff] ; Add function\n"
" afb fcnaddr addr size name [type] [diff] ; Add bb to function @ fcnaddr\n"
" af- [addr] ; Clean all function analysis data (or function at addr)\n"
" afl [fcn name] ; List functions\n"
" afs [addr] [fcnsign] ; Get/set function signature at current address\n"
" af[aAv][?] [arg] ; Manipulate args, fastargs and variables in function\n"
" afc @ [addr] ; Calculate the Cyclomatic Complexity (starting at addr)\n"
" af* ; Output radare commands\n");
break;
default:
r_core_anal_fcn (core, core->offset, -1, R_ANAL_REF_TYPE_NULL,
r_config_get_i (core->config, "anal.depth"));
}
break;
case 'g':
switch (input[1]) {
case 'c':
r_core_anal_refs (core, r_num_math (core->num, input+2), 1);
break;
case 'l':
r_core_anal_graph (core, r_num_math (core->num, input+2), R_CORE_ANAL_GRAPHLINES);
break;
case 'a':
r_core_anal_graph (core, r_num_math (core->num, input+2), 0);
break;
case 'd':
r_core_anal_graph (core, r_num_math (core->num, input+2),
R_CORE_ANAL_GRAPHBODY|R_CORE_ANAL_GRAPHDIFF);
break;
case '?':
r_cons_printf (
"Usage: ag[?f]\n"
" ag [addr] ; Output graphviz code (bb at addr and childs)\n"
" aga [addr] ; Idem, but only addresses\n"
" agc [addr] ; Output graphviz call graph of function\n"
" agl [fcn name] ; Output graphviz code using meta-data\n"
" agd [fcn name] ; Output graphviz code of diffed function\n"
" agfl [fcn name] ; Output graphviz code of function using meta-data\n");
break;
default:
r_core_anal_graph (core, r_num_math (core->num, input+1),
R_CORE_ANAL_GRAPHBODY);
}
break;
case 't':
switch (input[1]) {
case '?':
r_cons_strcat ("Usage: at[*] [addr]\n"
" at? ; show help message\n"
" at ; list all traced opcode ranges\n"
" at- ; reset the tracing information\n"
" at* ; list all traced opcode offsets\n"
" at+ [addr] [times] ; add trace for address N times\n"
" at [addr] ; show trace info at address\n"
" att [tag] ; select trace tag (no arg unsets)\n"
" at% ; TODO\n"
" ata 0x804020 ... ; only trace given addresses\n"
" atr ; show traces as range commands (ar+)\n"
" atd ; show disassembly trace\n"
" atD ; show dwarf trace (at*|rsc dwarf-traces $FILE)\n");
eprintf ("Current Tag: %d\n", core->dbg->trace->tag);
break;
case 'a':
eprintf ("NOTE: Ensure given addresses are in 0x%%08llx format\n");
r_debug_trace_at (core->dbg, input+2);
break;
case 't':
r_debug_trace_tag (core->dbg, atoi (input+2));
break;
case 'd':
//trace_show (2, trace_tag_get());
eprintf ("TODO\n");
break;
case 'D':
// XXX: not yet tested..and rsc dwarf-traces comes from r1
r_core_cmd (core, "at*|rsc dwarf-traces $FILE", 0);
break;
case '+':
ptr = input+3;
addr = r_num_math (core->num, ptr);
ptr = strchr (ptr, ' ');
if (ptr != NULL) {
RAnalOp *op = r_core_op_anal (core, addr);
if (op != NULL) {
//eprintf("at(0x%08llx)=%d (%s)\n", addr, atoi(ptr+1), ptr+1);
//trace_set_times(addr, atoi(ptr+1));
RDebugTracepoint *tp = r_debug_trace_add (core->dbg, addr, op->length);
tp->count = atoi (ptr+1);
r_anal_trace_bb (core->anal, addr);
r_anal_op_free (op);
} else eprintf ("Cannot analyze opcode at 0x%"PFMT64x"\n", addr);
}
break;
case '-':
r_debug_trace_free (core->dbg);
core->dbg->trace = r_debug_trace_new (core->dbg);
break;
case ' ': {
RDebugTracepoint *t = r_debug_trace_get (core->dbg,
r_num_math (core->num, input+1));
if (t != NULL) {
r_cons_printf ("offset = 0x%"PFMT64x"\n", t->addr);
r_cons_printf ("opsize = %d\n", t->size);
r_cons_printf ("times = %d\n", t->times);
r_cons_printf ("count = %d\n", t->count);
//TODO cons_printf("time = %d\n", t->tm);
} }
break;
case '*':
r_debug_trace_list (core->dbg, 1);
break;
case 'r':
eprintf ("TODO\n");
//trace_show(-1, trace_tag_get());
break;
default:
r_debug_trace_list (core->dbg, 0);
}
break;
case 's':
switch (input[1]) {
case 'l':
r_syscall_list (core->anal->syscall);
break;
case '\0': {
int a0 = (int)r_debug_reg_get (core->dbg, "oeax"); //XXX
cmd_syscall_do (core, a0);
} break;
case ' ':
cmd_syscall_do (core, (int)r_num_get (core->num, input+2));
break;
default:
case '?':
r_cons_printf (
"Usage: as[?]\n"
" as Display syscall and arguments\n"
" as 4 Show syscall 4 based on asm.os\n"
" asl List of syscalls by asm.os and asm.arch\n");
break;
}
break;
case 'r':
switch(input[1]) {
case '?':
r_cons_printf (
"Usage: ar[?d-l*]\n"
" ar addr [at] ; Add code ref\n"
" ard addr [at] ; Add dara ref\n"
" ar- [at] ; Clean all refs (or refs from addr)\n"
" arl ; List refs\n"
" ar* ; Output radare commands\n");
break;
case '-':
r_anal_ref_del (core->anal, r_num_math (core->num, input+2));
break;
case 'l':
r_core_anal_ref_list (core, R_FALSE);
break;
case '*':
r_core_anal_ref_list (core, R_TRUE);
break;
default:
{
char *ptr = strdup (r_str_trim_head ((char*)input+2));
int n = r_str_word_set0 (ptr);
ut64 at = core->offset;
ut64 addr = -1LL;
switch (n) {
case 2: // get at
at = r_num_math (core->num, r_str_word_get0 (ptr, 1));
case 1: // get addr
addr = r_num_math (core->num, r_str_word_get0 (ptr, 0));
break;
default:
return R_FALSE;
}
r_anal_ref_add (core->anal, addr, at,
input[1]=='d'?R_ANAL_REF_TYPE_DATA:R_ANAL_REF_TYPE_CODE);
free (ptr);
}
}
break;
2010-11-27 14:03:00 +00:00
case 'a':
r_core_anal_all (core);
break;
case 'p':
{
const char *arch = r_config_get (core->config, "asm.arch");
int bits = r_config_get_i (core->config, "asm.bits");
// TODO: this is x86 only
// TODO: allow interruptible search
char *o = strdup (r_config_get (core->config, "search.prefix"));
r_config_set (core->config, "search.prefix", "pre.");
r_core_cmd0 (core, "fs preludes");
if (strstr (arch, "x86")) {
switch (bits) {
case 32:
r_core_cmd0 (core, "./x 5589e5 && af @@ pre.");
break;
case 64:
r_core_cmd0 (core, "./x 554989e5 && af @@ pre.");
break;
}
} else {
eprintf ("ap: Unsupported asm.arch and asm.bits\n");
}
r_config_set (core->config, "search.prefix", o);
free (o);
}
break;
2010-11-27 14:03:00 +00:00
default:
r_cons_printf (
"Usage: a[?obfrgtv]\n"
2010-11-27 14:03:00 +00:00
" aa ; Analyze all (fcns + bbs)\n"
" ap ; Find and analyze function preludes\n"
" as [num] ; Analyze syscall using dbg.reg\n"
" ao[e?] [len] ; Analyze Opcodes (or emulate it)\n"
" ab[?+-l*] ; Analyze Basic blocks\n"
" af[?+-l*] ; Analyze Functions\n"
" ar[?d-l*] ; Manage refs/xrefs\n"
" ag[?f] ; Output Graphviz code\n"
2011-02-23 16:39:24 +00:00
" at[trd+-*?] [.] ; Analyze execution Traces\n");
break;
}
if (tbs != core->blocksize)
r_core_block_size (core, tbs);
return 0;
}
/* TODO: simplify using r_write */
static int cmd_write(void *data, const char *input) {
ut64 off;
ut8 *buf;
2011-03-03 09:42:45 +00:00
const char *arg;
int wseek, i, size, len = strlen (input);
char *tmp, *str = alloca (len)+1;
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");
memcpy (str, input+1, len);
2011-03-03 09:42:45 +00:00
switch (*input) {
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 ' ':
2011-03-03 09:42:45 +00:00
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"
2011-03-03 09:42:45 +00:00
" 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);
break;
case 'r':
r_io_cache_reset (core->io, R_TRUE);
break;
case '?':
r_cons_printf (
"Usage: wc[ir*?]\n"
" wc list all write changes\n"
" wc* \"\" in radare commands\n"
" wcr reset all write changes in cache\n"
" wci commit write cache\n"
"NOTE: Needs io.cache=true\n");
break;
case '*':
r_io_cache_list (core->io, R_TRUE);
break;
case '\0':
r_io_cache_list (core->io, R_FALSE);
break;
}
break;
case ' ':
/* write string */
len = r_str_escape (str);
r_io_set_fd (core->io, core->file->fd);
r_io_write_at (core->io, core->offset, (const ut8*)str, len);
WSEEK (core, len);
r_core_block_read (core, 0);
break;
case 't':
/* TODO: support userdefined size? */
arg = (const char *)(input+((input[1]==' ')?2:1));
r_file_dump (arg, core->block, core->blocksize);
break;
case 'T':
eprintf ("TODO\n");
break;
case 'f':
arg = (const char *)(input+((input[1]==' ')?2:1));
if ((buf = (ut8*) r_file_slurp (arg, &size))) {
r_io_set_fd (core->io, core->file->fd);
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 ((buf = r_file_slurp_hexpairs (arg, &size))) {
r_io_set_fd (core->io, core->file->fd);
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 = str+1;
len = (len-1)<<1;
tmp = alloca (len);
for (i=0;i<len;i++) {
if (i%2) tmp[i] = 0;
else tmp[i] = str[i>>1];
}
str = tmp;
r_io_set_fd (core->io, core->file->fd);
r_io_write_at (core->io, core->offset, (const ut8*)str, len);
WSEEK (core, len);
r_core_block_read (core, 0);
break;
case 'x':
{
int len = strlen (input);
ut8 *buf = alloca (len);
len = r_hex_str2bin (input+1, buf);
if (len != -1) {
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");
}
break;
case 'a':
{
RAsmCode *acode;
/* XXX ULTRAUGLY , needs fallback support in rasm */
r_asm_use (core->assembler, "x86.olly");
r_asm_set_pc (core->assembler, core->offset);
if (input[1]==' ') input=input+1;
acode = r_asm_massemble (core->assembler, input+1);
if (acode) {
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_asm_code_free (acode);
r_core_block_read (core, 0);
r_asm_use (core->assembler, "x86"); /* XXX */
r_core_block_read (core, 0);
}
}
break;
case 'b':
{
int len = strlen (input);
ut8 *buf = alloca (len);
len = r_hex_str2bin (input+1, buf);
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);
}
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_set_fd (core->io, core->file->fd);
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':
off = r_num_math (core->num, input+1);
r_io_set_fd (core->io, core->file->fd);
r_io_seek (core->io, core->offset, R_IO_SEEK_SET);
if (off&UT64_32U) {
/* 8 byte addr */
ut64 addr8;
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);
} else {
/* 4 byte addr */
ut32 addr4, 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);
}
r_core_block_read (core, 0);
break;
case 'o':
switch (input[1]) {
case 'a':
case 's':
case 'A':
case 'x':
case 'r':
case 'l':
case 'm':
case 'd':
case 'o':
if (input[2]!=' ') {
eprintf ("Usage: 'wo%c 00 11 22'\n", input[1]);
return 0;
}
case '2':
case '4':
r_core_write_op (core, input+3, input[1]);
r_core_block_read (core, 0);
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[xrlasmd] [hexpairs]\n"
"Example: wox 90 ; xor cur block with 90\n"
"Example: woa 02 03 ; add 2, 3 to all bytes of cur block\n"
"Supported operations:\n"
" woa addition +=\n"
" wos substraction -=\n"
" wom multiply *=\n"
" wod divide /=\n"
" wox xor ^=\n"
" woo or |=\n"
" woA and &=\n"
" wor shift right >>=\n"
" wol shift left <<=\n"
" wo2 2 byte endian swap 2=\n"
" wo4 4 byte endian swap 4=\n"
);
break;
}
break;
default:
case '?':
if (core->oobi) {
eprintf ("Writing oobi buffer!\n");
r_io_set_fd (core->io, core->file->fd);
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"
" 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"
" 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 commit/reset/list\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"
" wf file write contents of file at current offset\n"
" wF file write contents of hexpairs file here\n"
" wt file write current block to file\n");
//TODO: add support for offset+seek
// " wf file o s ; write contents of file from optional offset 'o' and size 's'.\n"
break;
}
return 0;
}
static int cmd_resize(void *data, const char *input) {
RCore *core = (RCore *)data;
st64 delta=0;
int grow;
ut64 oldsize,newsize;
oldsize = core->file->size;
switch (input[0]) {
case ' ':
newsize = r_num_math (core->num, input+1);
break;
case '+':
case '-':
delta = (st64)r_num_math (NULL, input);
newsize = oldsize + delta;
break;
case '?':
default:
r_cons_printf (
"Usage: r[ size|+insert|-remove]\n"
" r size set filesize to size, extending or truncating\n"
" r-num remove num bytes, move following data down\n"
" r+num insert num bytes, move following data up\n");
return R_TRUE;
}
grow = (newsize > oldsize);
if (grow) {
r_io_resize (core->io, newsize);
core->file->size = newsize;
}
if (delta && core->offset < newsize)
r_io_shift (core->io, core->offset, grow?newsize:oldsize, delta);
if (!grow) {
r_io_resize (core->io, newsize);
core->file->size = newsize;
}
if (newsize < core->offset+core->blocksize ||
oldsize < core->offset+core->blocksize)
r_core_block_read (core, 0);
return R_TRUE;
}
static const char *cmdhit = NULL;
static const char *searchprefix = NULL;
static int searchcount = 0;
2010-04-06 16:21:41 +00:00
static int __cb_hit(RSearchKeyword *kw, void *user, ut64 addr) {
RCore *core = (RCore *)user;
if (searchcount) {
if (!--searchcount) {
eprintf ("search.count reached\n");
return R_FALSE;
}
}
r_cons_printf ("f %s%d_%d %d 0x%08"PFMT64x"\n", searchprefix,
kw->kwidx, kw->count, kw->keyword_length, addr);
if (!strnull (cmdhit)) {
ut64 here = core->offset;
r_core_seek (core, addr, R_FALSE);
r_core_cmd (core, cmdhit, 0);
r_core_seek (core, here, R_TRUE);
}
return R_TRUE;
}
static int cmd_search(void *data, const char *input) {
char *inp;
RCore *core = (RCore *)data;
ut64 at, from, to;
//RIOSection *section;
int i, len, ret, dosearch = R_FALSE;
int inverse = R_FALSE;
int aes_search = R_FALSE;
int ignorecase = R_FALSE;
ut32 n32;
ut8 *buf;
// TODO: repeat last search doesnt works for /a
from = r_config_get_i (core->config, "search.from");
to = r_config_get_i (core->config, "search.to");
core->search->align = r_config_get_i (core->config, "search.align");
//TODO: handle section ranges if from&&to==0
/*
section = r_io_section_get (core->io, core->offset);
if (section) {
from += section->vaddr;
//fin = ini + s->size;
}
*/
searchprefix = r_config_get (core->config, "search.prefix");
// TODO: get ranges from current IO section
/* XXX: Think how to get the section ranges here */
if (from == 0LL) from = core->offset;
if (to == 0LL) to = UT32_MAX; // XXX?
reread:
switch (*input) {
case '!':
input++;
inverse = R_TRUE;
goto reread;
break;
case 'a':
if (input[1]==' ')
r_core_anal_search (core, from, to, r_num_math (core->num, input+2));
else r_core_anal_search (core, from, to, core->offset);
break;
case 'A':
dosearch = aes_search = R_TRUE;
break;
case '/':
r_search_begin (core->search);
dosearch = R_TRUE;
break;
case 'm':
#if HAVE_LIB_MAGIC
/* XXX: This is pretty sloow */
dosearch = R_FALSE;
if (input[1]==' ') {
const char *file = input+2;
ut64 addr = from;
for (; addr<to; addr++) {
r_core_seek (core, addr, R_TRUE);
r_core_magic (core, file, R_FALSE);
}
} else eprintf ("Usage: /m [file]\n");
#else
eprintf ("r_core_magic: Compiled without magic :(\n");
#endif
break;
case 'p':
{
int ps = atoi (input+1);
if (ps>1) {
r_search_pattern_size (core->search, ps);
r_search_pattern (core->search, from, to);
} else eprintf ("Invalid pattern size (must be >0)\n");
}
break;
case 'v':
r_search_reset (core->search, R_SEARCH_KEYWORD);
r_search_set_distance (core->search, (int)
r_config_get_i (core->config, "search.distance"));
n32 = (ut32)r_num_math (core->num, input+1);
// TODO: Add support for /v4 /v8 /v2
r_search_kw_add (core->search,
r_search_keyword_new ((const ut8*)&n32, 4, NULL, 0, NULL));
r_search_begin (core->search);
dosearch = R_TRUE;
break;
case 'w': /* search wide string */
if (input[1]==' ') {
int len = strlen (input+2);
const char *p2;
char *p, *str = malloc ((len+1)*2);
for (p2=input+2, p=str; *p2; p+=2, p2++) {
p[0] = *p2;
p[1] = 0;
}
r_search_reset (core->search, R_SEARCH_KEYWORD);
r_search_set_distance (core->search, (int)
r_config_get_i (core->config, "search.distance"));
r_search_kw_add (core->search,
r_search_keyword_new ((const ut8*)str, len*2, NULL, 0, NULL));
r_search_begin (core->search);
dosearch = R_TRUE;
}
break;
case 'i':
if (input[1]!= ' ') {
eprintf ("Missing ' ' after /i\n");
return R_FALSE;
}
ignorecase = R_TRUE;
case ' ': /* search string */
inp = strdup (input+1+ignorecase);
if (ignorecase)
for (i=1; inp[i]; i++)
inp[i] = tolower (inp[i]);
len = r_str_escape (inp);
eprintf ("Searching %d bytes: ", len);
for (i=0; i<len; i++) eprintf ("%02x ", inp[i]);
eprintf ("\n");
r_search_reset (core->search, R_SEARCH_KEYWORD);
r_search_set_distance (core->search, (int)
r_config_get_i (core->config, "search.distance"));
{
RSearchKeyword *skw;
skw = r_search_keyword_new ((const ut8*)inp, len, NULL, 0, NULL);
skw->icase = ignorecase;
r_search_kw_add (core->search, skw);
}
r_search_begin (core->search);
dosearch = R_TRUE;
break;
case 'e': /* match regexp */
{
char *inp = strdup (input+2);
char *res = r_str_lchr (inp+1, inp[0]);
char *opt = NULL;
if (res > inp) {
opt = strdup(res+1);
res[1]='\0';
}
r_search_reset (core->search, R_SEARCH_REGEXP);
r_search_set_distance (core->search, (int)
r_config_get_i (core->config, "search.distance"));
r_search_kw_add (core->search,
r_search_keyword_new_str (inp, opt, NULL, 0));
r_search_begin (core->search);
dosearch = R_TRUE;
free (inp);
free (opt);
}
break;
case 'x': /* search hex */
r_search_reset (core->search, R_SEARCH_KEYWORD);
r_search_set_distance (core->search, (int)
r_config_get_i (core->config, "search.distance"));
r_search_kw_add (core->search,
r_search_keyword_new_hexmask (input+2, NULL));
r_search_begin (core->search);
dosearch = R_TRUE;
break;
case 'c': /* search asm */
{
2010-08-11 17:10:47 +00:00
/* TODO: Move to a separate function */
int asmstr = r_config_get_i (core->config, "search.asmstr");
if (asmstr) {
RCoreAsmHit *hit;
RListIter *iter;
int count = 0;
RList *hits;
if ((hits = r_core_asm_strsearch (core, input+2, from, to))) {
r_list_foreach (hits, iter, hit) {
r_cons_printf ("f %s_%i @ 0x%08"PFMT64x" # %s (%i)\n",
searchprefix, count, hit->addr, hit->code, hit->len);
count++;
}
r_list_destroy (hits);
}
2010-08-11 17:10:47 +00:00
dosearch = 0;
} else {
char *kwd;
if (!(kwd = r_core_asm_search (core, input+2, from, to)))
return R_FALSE;
r_search_reset (core->search, R_SEARCH_KEYWORD);
r_search_set_distance (core->search, (int)
r_config_get_i (core->config, "search.distance"));
r_search_kw_add (core->search,
r_search_keyword_new_hexmask (kwd, NULL));
r_search_begin (core->search);
free (kwd);
dosearch = R_TRUE;
}
}
break;
default:
r_cons_printf (
"Usage: /[amx/] [arg]\n"
" / foo\\x00 ; search for string 'foo\\0'\n"
" /w foo ; search for wide string 'f\\0o\\0o\\0'\n"
" /! ff ; search for first occurrence not matching\n"
" /i foo ; search for string 'foo' ignoring case\n"
" /e /E.F/i ; match regular expression\n"
" /x ff0033 ; search for hex string\n"
" /!x 00 ; inverse hexa search (find first byte != 0x00)\n"
" /c jmp [esp] ; search for asm code (see search.asmstr)\n"
" /A ; search for AES expanded keys\n"
" /a sym.printf ; analyze code referencing an offset\n"
" /m magicfile ; search for matching magic file (use blocksize)\n"
" /p patternsize ; search for pattern of given size\n"
" /v num ; look for a asm.bigendian 32bit value\n"
" // ; repeat last search\n"
" ./ hello ; search 'hello string' and import flags\n"
"Configuration:\n"
" e cmd.hit = x ; command to execute on every search hit\n"
" e search.distance = 0 ; search string distance\n"
" e search.align = 4 ; only catch aligned search hits\n"
" e search.from = 0 ; start address\n"
" e search.to = 0 ; end address\n"
" e search.asmstr = 0 ; search string instead of assembly\n");
break;
}
r_config_set_i (core->config, "search.kwidx", core->search->n_kws);
if (dosearch) {
r_cons_printf ("fs hits\n");
core->search->inverse = inverse;
searchcount = r_config_get_i (core->config, "search.count");
eprintf ("inverse = %d\n", core->search->inverse);
if (searchcount)
searchcount++;
if (core->search->n_kws>0 || aes_search) {
RSearchKeyword aeskw;
if (aes_search) {
memset (&aeskw, 0, sizeof (aeskw));
aeskw.keyword_length = 31;
}
/* set callback */
/* TODO: handle last block of data */
/* TODO: handle ^C */
/* TODO: launch search in background support */
buf = (ut8 *)malloc (core->blocksize);
r_search_set_callback (core->search, &__cb_hit, core);
cmdhit = r_config_get (core->config, "cmd.hit");
r_cons_break (NULL, NULL);
// XXX required? imho nor_io_set_fd (core->io, core->file->fd);
for (at = from; at < to; at += core->blocksize) {
if (r_cons_singleton ()->breaked)
break;
ret = r_io_read_at (core->io, at, buf, core->blocksize);
/*
if (ignorecase) {
int i;
for (i=0; i<core->blocksize; i++)
buf[i] = tolower (buf[i]);
}
*/
if (ret != core->blocksize)
break;
if (aes_search) {
int delta = r_search_aes_update (core->search, at, buf, ret);
if (delta != -1) {
if (!r_search_hit_new (core->search, &aeskw, at+delta)) {
break;
}
aeskw.count++;
}
} else
if (r_search_update (core->search, &at, buf, ret) == -1) {
eprintf ("search: update read error at 0x%08"PFMT64x"\n", at);
break;
}
}
r_cons_break_end ();
free (buf);
} else eprintf ("No keywords defined\n");
}
return R_TRUE;
}
static int cmd_eval(void *data, const char *input) {
RCore *core = (RCore *)data;
switch (input[0]) {
case '\0':
r_config_list (core->config, NULL, 0);
break;
case 'e':
if (input[1]==' ') {
char *p;
const char *val = r_config_get (core->config, input+2);
p = r_core_editor (core, val);
r_str_subchr (p, '\n', ';');
r_config_set (core->config, input+2, p);
} else eprintf ("Usage: ee varname\n");
break;
case '!':
input = r_str_chop_ro(input+1);
if (!r_config_swap (core->config, input))
eprintf ("r_config: '%s' is not a boolean variable.\n", input);
break;
case '-':
r_core_config_init (core);
eprintf ("BUG: 'e-' command locks the eval hashtable. patches are welcome :)\n");
break;
case '*':
r_config_list (core->config, NULL, 1);
break;
case '?':
r_cons_printf (
"Usage: e[?] [var[=value]]\n"
" e ; list config vars\n"
" e- ; reset config vars\n"
" e* ; dump config vars in r commands\n"
" e!a ; invert the boolean value of 'a' var\n"
" e a ; get value of var 'a'\n"
" e a=b ; set var 'a' the 'b' value\n");
//r_cmd_help(core->cmd, "e");
break;
case ' ':
r_config_eval (core->config, input+1);
break;
default:
r_config_eval (core->config, input);
}
return 0;
}
static int cmd_hash(void *data, const char *input) {
char *p, algo[32];
RCore *core = (RCore *)data;
ut32 i, len = core->blocksize;
const char *ptr;
if (input[0]=='!') {
#if 0
TODO: Honor OOBI
#!lua < file
#!lua <<EOF
#!lua
#!lua foo bar
//r_lang_run (core->lang, p+1, strlen (p+1));
//core->oobi, core->oobi_len);
#endif
if (input[1]=='?' || input[1]=='*' || input[1]=='\0') {
r_lang_list (core->lang);
return R_TRUE;
}
p = strchr (input+1, ' ');
if (p) *p=0;
// TODO: set argv here
if (r_lang_use (core->lang, input+1)) {
r_lang_setup (core->lang);
if (p) r_lang_run_file (core->lang, p+1);
else r_lang_prompt (core->lang);
} else eprintf ("Invalid hashbang plugin name. Try '#!'\n");
return R_TRUE;
}
ptr = strchr (input, ' ');
sscanf (input, "%31s", algo);
if (ptr != NULL)
len = r_num_math (core->num, ptr+1);
/* TODO: Simplify this spaguetti monster */
if (!r_str_ccmp (input, "md4", ' ')) {
RHash *ctx = r_hash_new (R_TRUE, R_HASH_MD4);
const ut8 *c = r_hash_do_md4 (ctx, core->block, len);
for (i=0; i<R_HASH_SIZE_MD4; i++) r_cons_printf ("%02x", c[i]);
r_cons_newline ();
r_hash_free (ctx);
} else
if (!r_str_ccmp (input, "md5", ' ')) {
RHash *ctx = r_hash_new (R_TRUE, R_HASH_MD5);
const ut8 *c = r_hash_do_md5 (ctx, core->block, len);
for (i=0; i<R_HASH_SIZE_MD5; i++) r_cons_printf ("%02x", c[i]);
r_cons_newline ();
r_hash_free (ctx);
} else
if (!r_str_ccmp (input, "sha1", ' ')) {
RHash *ctx = r_hash_new (R_TRUE, R_HASH_SHA1);
const ut8 *c = r_hash_do_sha1 (ctx, core->block, len);
for (i=0; i<R_HASH_SIZE_SHA1;i++) r_cons_printf ("%02x", c[i]);
r_cons_newline ();
r_hash_free (ctx);
} else
if (!r_str_ccmp (input, "sha256", ' ')) {
RHash *ctx = r_hash_new (R_TRUE, R_HASH_SHA256);
const ut8 *c = r_hash_do_sha256 (ctx, core->block, len);
for (i=0; i<R_HASH_SIZE_SHA256;i++) r_cons_printf ("%02x", c[i]);
r_cons_newline ();
r_hash_free (ctx);
} else
if (!r_str_ccmp (input, "sha512", ' ')) {
RHash *ctx = r_hash_new (R_TRUE, R_HASH_SHA512);
const ut8 *c = r_hash_do_sha512 (ctx, core->block, len);
for (i=0; i<R_HASH_SIZE_SHA512;i++) r_cons_printf ("%02x", c[i]);
r_cons_newline ();
r_hash_free (ctx);
} else
if (!r_str_ccmp (input, "entropy", ' ')) {
r_cons_printf ("%lf\n", r_hash_entropy (core->block, len));
} else
if (!r_str_ccmp (input, "hamdist", ' ')) {
r_cons_printf ("%d\n", r_hash_hamdist (core->block, len));
} else
if (!r_str_ccmp (input, "pcprint", ' ')) {
r_cons_printf ("%d\n", r_hash_pcprint (core->block, len));
} else
if (!r_str_ccmp (input, "crc32", ' ')) {
r_cons_printf ("%04x\n", r_hash_crc32 (core->block, len));
} else
if (!r_str_ccmp (input, "xor", ' ')) {
r_cons_printf ("%02x\n", r_hash_xor (core->block, len));
} else
if (!r_str_ccmp (input, "crc16", ' ')) {
r_cons_printf ("%02x\n", r_hash_crc16 (0, core->block, len));
} else
if (input[0]=='?') {
r_cons_printf (
"Usage: #algo <size> @ addr\n"
" #xor ; calculate xor of all bytes in current block\n"
" #crc32 ; calculate crc32 of current block\n"
" #crc32 < /etc/fstab ; calculate crc32 of this file\n"
" #pcprint ; count printable chars in current block\n"
" #hamdist ; calculate hamming distance in current block\n"
" #entropy ; calculate entropy of current block\n"
" #md4 ; calculate md4\n"
" #md5 128K @ edi ; calculate md5 of 128K from 'edi'\n"
" #sha1 ; calculate SHA-1\n"
" #sha256 ; calculate SHA-256\n"
" #sha512 ; calculate SHA-512\n"
"Usage #!interpreter [<args>] [<file] [<<eof]\n"
" #! ; list all available interpreters\n"
" #!python ; run python commandline\n"
" #!python < foo.py ; run foo.py python script\n"
" #!python <<EOF ; get python code until 'EOF' mark\n"
" #!python arg0 a1 <<q ; set arg0 and arg1 and read until 'q'\n"
"Comments:\n"
" # this is a comment ; note the space after the sharp sign\n");
}
return 0;
}
static int cmd_visual(void *data, const char *input) {
return r_core_visual ((RCore *)data, input);
}
static int cmd_system(void *data, const char *input) {
int ret = 0;
if (*input!='?') {
char *cmd = r_core_sysenv_begin ((RCore*)data, input);
if (cmd) {
ret = r_sys_cmd (cmd);
r_core_sysenv_end ((RCore*)data, input);
free (cmd);
} else eprintf ("Error setting up system environment\n");
} else r_core_sysenv_help ();
return ret;
}
static int cmd_open(void *data, const char *input) {
RCore *core = (RCore*)data;
RCoreFile *file;
ut64 addr;
char *ptr, *path;
int perm, num = -1;
switch (*input) {
case '\0':
r_core_file_list (core);
break;
case ' ':
ptr = strchr (input+1, ' ');
if (ptr) {
*ptr = '\0';
addr = r_num_math (core->num, ptr+1);
} else {
num = atoi (input+1);
addr = 0LL;
}
if (num<=0) {
file = r_core_file_open (core, input+1, R_IO_READ, addr);
if (file) {
//eprintf ("Map '%s' in 0x%08"PFMT64x" with size 0x%"PFMT64x"\n",
// input+1, addr, file->size);
} else eprintf ("Cannot open file '%s'\n", input+1);
} else r_io_raise (core->io, num);
r_core_block_read (core, 0);
break;
case '-':
if (!r_core_file_close_fd (core, atoi (input+1)))
eprintf ("Unable to find filedescriptor %d\n", atoi (input+1));
r_core_block_read (core, 0);
break;
case 'o':
perm = core->file->rwx;
addr = 0; // XXX ? check file->map ?
path = strdup (core->file->uri);
if (r_config_get_i (core->config, "cfg.debug"))
r_debug_kill (core->dbg, R_FALSE, 9); // KILL
r_core_file_close (core, core->file);
file = r_core_file_open (core, path, perm, addr);
if (file) eprintf ("File %s reopened\n", path);
else eprintf ("Cannot reopen '%s'\n", path);
// TODO: in debugger must select new PID
free (path);
break;
case '?':
default:
eprintf ("Usage: o[o-] [file] ([offset])\n"
" o ; list opened files\n"
" oo ; reopen current file (kill+fork in debugger)\n"
" o /bin/ls ; open /bin/ls file\n"
" o /bin/ls 0x8048000 ; map file\n"
" o 4 ; priorize io on fd 4 (bring to front)\n"
" o-1 ; close file index 1\n");
break;
}
return 0;
}
// XXX this command is broken. output of _list is not compatible with input
static int cmd_meta(void *data, const char *input) {
2010-07-13 09:48:26 +00:00
RAnalVarType *var;
RListIter *iter;
RCore *core = (RCore*)data;
int i, ret, line = 0;
ut64 addr_end = 0LL;
ut64 addr = core->offset;
char file[1024];
switch (*input) {
case '*':
r_meta_list (core->anal->meta, R_META_TYPE_ANY);
break;
case 't':
switch (input[1]) {
case '-':
r_anal_var_type_del (core->anal, input+2);
break;
case ' ':
{
int size;
const char *fmt = NULL;
const char *ptr, *name = input+2;
ptr = strchr (name, ' ');
if (ptr) {
size = atoi (ptr+1);
ptr = strchr (ptr+2, ' ');
if (ptr)
fmt = ptr+1;
}
if (fmt==NULL)
eprintf ("Usage: Ct name size format\n");
else r_anal_var_type_add (core->anal, name, size, fmt);
}
break;
case '\0':
2010-07-13 09:48:26 +00:00
r_list_foreach (core->anal->vartypes, iter, var) {
r_cons_printf ("Ct %s %d %s\n", var->name, var->size, var->fmt);
}
break;
default:
eprintf ("Usage: Ct[..]\n"
" Ct-int : remove 'int' type\n"
" Ct int 4 d : define int type\n");
break;
}
break;
case 'L': // debug information of current offset
ret = r_bin_meta_get_line (core->bin, core->offset, file, 1023, &line);
if (ret) {
r_cons_printf ("file %s\nline %d\n", file, line);
ret = (line<5)? 5-line: 5;
line -= 2;
for (i = 0; i<ret; i++) {
char *row = r_file_slurp_line (file, line+i, 0);
r_cons_printf ("%c %.3x %s\n", (i==2)?'>':' ', line+i, row);
free (row);
}
} else eprintf ("Cannot find meta information at 0x%08"PFMT64x"\n", core->offset);
break;
// XXX: use R_META_TYPE_XXX here
case 'C': /* comment */
case 's': /* string */
case 'd': /* data */
case 'm': /* magic */
case 'f': /* formatted */
switch (input[1]) {
case '-':
switch (input[2]) {
case '*':
core->num->value = r_meta_del (core->anal->meta, input[0], 0, UT64_MAX, NULL);
break;
case ' ':
addr = r_num_math (core->num, input+3);
default:
core->num->value = r_meta_del (core->anal->meta, input[0], addr, addr+1, NULL);
break;
}
break;
case '\0':
case '*':
r_meta_list (core->anal->meta, input[0]);
break;
case '!':
{
char *out, *comment = r_meta_get_string (core->anal->meta, R_META_TYPE_COMMENT, addr);
out = r_core_editor (core, comment);
//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->meta, R_META_TYPE_COMMENT, addr, out);
free (out);
free (comment);
}
break;
default: {
char *t, *p, name[128];
int n, type = input[0];
t = strdup (input+2);
p = strchr (t, ' ');
if (p) {
*p = '\0';
strncpy (name, p+1, sizeof (name));
} else
switch (type) {
case 's':
// TODO: filter \n and so on :)
r_core_read_at (core, addr, (ut8*)name, sizeof (name));
break;
default:
{
RFlagItem *fi = r_flag_get_i (core->flags, addr);
if (fi) strncpy (name, fi->name, sizeof (name));
else sprintf (name, "ptr_%08"PFMT64x"", addr);
}
}
n = atoi (input+1);
if (n==0) n = 1;
addr_end = addr + n;
r_meta_add (core->anal->meta, type, addr, addr_end, name);
free (t);
}
}
break;
case 'v':
switch (input[1]) {
case '-':
{
RAnalFcn *f;
RListIter *iter;
ut64 offset;
if (input[2]==' ') {
offset = r_num_math (core->num, input+3);
if ((f = r_anal_fcn_find (core->anal, offset, R_ANAL_FCN_TYPE_NULL)) != NULL)
memset (f->varsubs, 0, sizeof(f->varsubs));
} else if (input[2]=='*') {
r_list_foreach (core->anal->fcns, iter, f)
memset (f->varsubs, 0, sizeof(f->varsubs));
}
}
break;
case '*':
{
RAnalFcn *f;
RListIter *iter;
r_list_foreach (core->anal->fcns, iter, f) {
for (i = 0; i < R_ANAL_VARSUBS; i++) {
if (f->varsubs[i].pat[0] != '\0')
r_cons_printf ("Cv 0x%08llx %s %s\n", f->addr, f->varsubs[i].pat, f->varsubs[i].sub);
else break;
}
}
}
break;
default:
{
RAnalFcn *f;
char *ptr = strdup(input+2), *pattern = NULL, *varsub = NULL;
ut64 offset = -1LL;
int i, n = r_str_word_set0 (ptr);
if (n > 2) {
switch(n) {
case 3: varsub = r_str_word_get0 (ptr, 2);
case 2: pattern = r_str_word_get0 (ptr, 1);
case 1: offset = r_num_math (core->num, r_str_word_get0 (ptr, 0));
}
if ((f = r_anal_fcn_find (core->anal, offset, R_ANAL_FCN_TYPE_NULL)) != NULL) {
if (pattern && varsub)
for (i = 0; i < R_ANAL_VARSUBS; i++)
if (f->varsubs[i].pat[0] == '\0' || !strcmp (f->varsubs[i].pat, pattern)) {
strncpy (f->varsubs[i].pat, pattern, 1024);
strncpy (f->varsubs[i].sub, varsub, 1024);
break;
}
} else eprintf ("Error: Function not found\n");
}
free (ptr);
}
break;
}
case '-':
if (input[1]!='*') {
if (input[1]==' ')
addr = r_num_math (core->num, input+2);
r_meta_del (core->anal->meta, R_META_TYPE_ANY, addr, 1, "");
} else r_meta_cleanup (core->anal->meta, 0LL, UT64_MAX);
break;
case '\0':
case '?':
eprintf (
"Usage: C[-LCvsdfm?] [...]\n"
" C* # List meta info in r2 commands\n"
" C-[@][ addr] # delete metadata at given address\n"
" CL[-] [addr] # show 'code line' information (bininfo)\n"
" CC[-] [size] [string] # add/remove comment. Use CC! to edit with $EDITOR\n"
" Cv[-] offset reg name # add var substitution\n"
" Cs[-] [size] [[addr]] # add string\n"
" Cd[-] [size] # hexdump data\n"
" Cf[-] [sz] [fmt..] # format memory (see pf?)\n"
" Cm[-] [sz] [fmt..] # magic parse (see pm?)\n");
break;
case 'F':
{
RAnalFcn *f = r_anal_fcn_find (core->anal, core->offset,
R_ANAL_FCN_TYPE_FCN|R_ANAL_FCN_TYPE_SYM);
if (f) r_anal_fcn_from_string (core->anal, f, input+2);
else eprintf ("Cannot find function here\n");
}
break;
}
return R_TRUE;
}
static int cmd_macro(void *data, const char *input) {
char *buf = NULL;
char *p, *ptr = (char *)input;
RCore *core = (RCore*)data;
switch (*input) {
case ')':
r_cmd_macro_break (&core->cmd->macro, input+1);
break;
case '-':
r_cmd_macro_rm (&core->cmd->macro, input+1);
break;
case '\0':
r_cmd_macro_list (&core->cmd->macro);
break;
case '?':
eprintf (
"Usage: (foo\\n..cmds..\\n)\n"
" Record macros grouping commands\n"
" (foo args\\n ..) ; define a macro\n"
" (-foo) ; remove a macro\n"
" .(foo) ; to call it\n"
" () ; break inside macro\n"
" ( ; list all defined macros\n"
"Argument support:\n"
" (foo x y\\n$1 @ $2) ; define fun with args\n"
" .(foo 128 0x804800) ; call it with args\n"
"Iterations:\n"
" .(foo\\n() $@) ; define iterator returning iter index\n"
" x @@ .(foo) ; iterate over them\n"
);
break;
default:
if (input[strlen (input)-1] != ')') {
buf = malloc (4096); // XXX: possible heap overflow here
strcpy (buf, input);
do {
ptr = buf + strlen (buf);
strcpy (ptr, ",");
ptr++;
fgets (ptr, 1024, stdin); // XXX: possible overflow // TODO: use r_cons here
p = strchr (ptr, '#');
if (p) *p = 0;
else ptr[strlen (ptr)-1] = 0; // chop \n
if (feof (stdin))
break;
} while (ptr[strlen (ptr)-1] != ')');
ptr = buf;
}
r_cmd_macro_add (&core->cmd->macro, ptr);
free (buf);
break;
}
return 0;
}
static int r_core_cmd_pipe(RCore *core, char *radare_cmd, char *shell_cmd) {
#if __UNIX__
int fds[2];
int stdout_fd, status;
stdout_fd = dup (1);
pipe (fds);
radare_cmd = r_str_trim_head (radare_cmd);
shell_cmd = r_str_trim_head (shell_cmd);
if (fork ()) {
dup2 (fds[1], 1);
close (fds[1]);
close (fds[0]);
r_core_cmd (core, radare_cmd, 0);
r_cons_flush ();
close (1);
wait (&status);
dup2 (stdout_fd, 1);
close (stdout_fd);
} else {
close (fds[1]);
dup2 (fds[0], 0);
dup2 (2, 1);
execl ("/bin/sh", "sh", "-c", shell_cmd, (char*)NULL);
}
return status;
#else
#warning r_core_cmd_pipe UNIMPLEMENTED FOR THIS PLATFORM
eprintf ("r_core_cmd_pipe: unimplemented for this platform\n");
return -1;
#endif
}
static int r_core_cmd_subst(RCore *core, char *cmd) {
char *ptr, *ptr2, *str;
int i, len = strlen (cmd), pipefd, ret;
if (!*cmd || cmd[0]=='\0')
return 0;
cmd = r_str_trim_head_tail (cmd);
/* quoted / raw command */
if (cmd[0] =='.' && cmd[1] == '"') { /* interpret */
ret = r_cmd_call (core->cmd, cmd);
return ret;
}
if (cmd[0] == '"') {
if (cmd[len-1] != '"') {
eprintf ("parse: Missing ending '\"'\n");
return -1;
}
cmd[len-1]='\0';
ret = r_cmd_call (core->cmd, cmd+1);
return ret;
}
/* comments */
if (*cmd!='#') {
ptr = strrchr (cmd, '#');
if (ptr) ptr[0]='\0';
}
/* multiple commands */
ptr = strrchr (cmd, ';');
if (ptr) {
ptr[0]='\0';
if (r_core_cmd_subst (core, cmd) == -1)
return -1;
cmd = ptr+1;
//r_cons_flush ();
}
/* pipe console to shell process */
ptr = strchr (cmd, '|');
if (ptr) {
ptr[0] = '\0';
cmd = r_str_clean (cmd);
if (*cmd) r_core_cmd_pipe (core, cmd, ptr+1);
else r_io_system (core->io, ptr+1);
return 0;
}
/* bool conditions */
ptr = strchr(cmd, '&');
while (ptr&&ptr[1]=='&') {
ptr[0]='\0';
ret = r_cmd_call (core->cmd, cmd);
if (ret == -1){
eprintf ("command error(%s)\n", cmd);
return ret;
}
for (cmd=ptr+2;cmd&&cmd[0]==' ';cmd=cmd+1);
ptr = strchr (cmd, '&');
}
/* Out Of Band Input */
free (core->oobi);
core->oobi = NULL;
ptr = strchr (cmd, '<');
if (ptr) {
ptr[0] = '\0';
if (ptr[1]=='<') {
/* this is a bit mess */
const char *oprompt = r_line_singleton ()->prompt;
oprompt = ">";
for (str=ptr+2; str[0]==' '; str=str+1);
eprintf ("==> Reading from stdin until '%s'\n", str);
free (core->oobi);
core->oobi = malloc (1);
core->oobi[0] = '\0';
core->oobi_len = 0;
for (;;) {
char buf[1024];
int ret;
write (1, "> ", 2);
fgets (buf, sizeof (buf)-1, stdin); // XXX use r_line ??
if (feof (stdin))
break;
buf[strlen (buf)-1]='\0';
ret = strlen (buf);
core->oobi_len += ret;
core->oobi = realloc (core->oobi, core->oobi_len+1);
if (!strcmp (buf, str))
break;
strcat ((char *)core->oobi, buf);
}
r_line_singleton ()->prompt = oprompt;
} else {
for (str=ptr+1;str[0]== ' ';str=str+1);
eprintf ("SLURPING FILE '%s'\n", str);
core->oobi = (ut8*)r_file_slurp (str, &core->oobi_len);
if (core->oobi == NULL)
eprintf ("Cannot open file\n");
else if (ptr == cmd)
return r_core_cmd_buffer (core, (const char *)core->oobi);
}
}
/* pipe console to file */
ptr = strchr (cmd, '>');
if (ptr) {
ptr[0] = '\0';
str = r_str_trim_head_tail (ptr+1+(ptr[1]=='>'));
pipefd = r_cons_pipe_open (str, ptr[1]=='>');
ret = r_core_cmd_subst (core, cmd);
r_cons_flush ();
r_cons_pipe_close (pipefd);
return ret;
}
/* sub commands */
ptr = strchr (cmd, '`');
if (ptr) {
ptr2 = strchr (ptr+1, '`');
if (!ptr2) {
eprintf ("parse: Missing '´' in expression.\n");
return -1;
} else {
ptr[0] = '\0';
ptr2[0] = '\0';
str = r_core_cmd_str (core, ptr+1);
for(i=0;str[i];i++)
if (str[i]=='\n') str[i]=' ';
cmd = r_str_concat (strdup (cmd), r_str_concat (str, ptr2+1));
ret = r_core_cmd_subst (core, cmd);
free (cmd);
free (str);
return ret;
}
}
/* grep the content */
ptr = strchr (cmd, '~');
if (ptr) {
ptr[0]='\0';
r_cons_grep (ptr+1);
} else r_cons_grep (NULL);
/* seek commands */
if (cmd[0]!='('&& cmd[0]!='"')
ptr = strchr (cmd, '@');
else ptr = NULL;
if (ptr) {
ut64 tmpoff, tmpbsz;
char *ptr2 = strchr (ptr+1, ':');
*ptr = '\0';
cmd = r_str_clean (cmd);
tmpoff = core->offset;
tmpbsz = core->blocksize;
if (ptr2) {
*ptr2 = '\0';
r_core_block_size (core, r_num_math (core->num, ptr2+1));
}
if (ptr[1]=='@') {
2009-03-21 02:17:43 +00:00
// TODO: remove temporally seek (should be done by cmd_foreach)
ret = r_core_cmd_foreach (core, cmd, ptr+2);
//ret = -1; /* do not run out-of-foreach cmd */
} else {
if (!ptr[1] || r_core_seek (core, r_num_math (core->num, ptr+1), 1)) {
r_core_block_read (core, 0);
ret = r_cmd_call (core->cmd, r_str_trim_head (cmd));
} else ret = 0;
}
if (ptr2) {
*ptr2 = ':';
r_core_block_size (core, tmpbsz);
}
r_core_seek (core, tmpoff, 1);
*ptr = '@';
return ret;
}
ret = r_cmd_call (core->cmd, r_str_trim_head (cmd));
return ret;
}
R_API int r_core_cmd_foreach(RCore *core, const char *cmd, char *each) {
int i=0,j;
char ch;
char *word = NULL;
char *str, *ostr;
2010-12-23 23:51:01 +00:00
RListIter *iter;
RFlagItem *flag;
ut64 oseek, addr;
for (; *each==' '; each++);
for (; *cmd==' '; cmd++);
oseek = core->offset;
ostr = str = strdup(each);
//radare_controlc();
switch (each[0]) {
case '?':
r_cons_printf (
"Foreach '@@' iterator command:\n"
" This command is used to repeat a command over a list of offsets.\n"
" x @@ sym. Run 'x' over all flags matching 'sym.'\n"
" x @@.file \"\" over the offsets specified in the file (one offset per line)\n"
" x @@=off1 off2 .. Manual list of offsets\n"
" x @@=`pdf~call[0]` Run 'x' at every call offset of the current function\n");
break;
case '=':
/* foreach list of items */
each = str+1;
do {
while (each[0]==' ')
each = each+1;
if (!*each) break;
str = strchr (each, ' ');
2009-03-21 02:17:43 +00:00
if (str) {
str[0]='\0';
addr = r_num_math (core->num, each);
str[0]=' ';
} else addr = r_num_math (core->num, each);
eprintf ("; 0x%08"PFMT64x":\n", addr);
each = str+1;
r_core_seek (core, addr, 1);
r_core_cmd (core, cmd, 0);
r_cons_flush ();
} while (str != NULL);
break;
case '.':
if (each[1]=='(') {
char cmd2[1024];
// TODO: use controlc() here
// XXX whats this 999 ?
for(core->cmd->macro.counter=0;i<999;core->cmd->macro.counter++) {
r_cmd_macro_call (&core->cmd->macro, each+2);
if (core->cmd->macro.brk_value == NULL)
break;
addr = core->cmd->macro._brk_value;
sprintf (cmd2, "%s @ 0x%08"PFMT64x"", cmd, addr);
eprintf ("0x%08"PFMT64x" (%s)\n", addr, cmd2);
r_core_seek (core, addr, 1);
r_core_cmd (core, cmd2, 0);
i++;
}
} else {
char buf[1024];
char cmd2[1024];
FILE *fd = fopen (each+1, "r");
if (fd) {
core->cmd->macro.counter=0;
while (!feof (fd)) {
buf[0] = '\0';
if (fgets (buf, 1024, fd) == NULL)
break;
addr = r_num_math (core->num, buf);
eprintf ("0x%08"PFMT64x": %s\n", addr, cmd);
sprintf (cmd2, "%s @ 0x%08"PFMT64x"", cmd, addr);
r_core_seek (core, addr, 1); // XXX
r_core_cmd (core, cmd2, 0);
core->cmd->macro.counter++;
}
fclose (fd);
} else eprintf ("Cannot open file '%s' to read offsets\n", each+1);
}
break;
default:
core->cmd->macro.counter = 0;
//while(str[i]) && !core->interrupted) {
while (str[i]) {
j = i;
for (;str[j]&&str[j]==' ';j++); // skip spaces
for (i=j;str[i]&&str[i]!=' ';i++); // find EOS
ch = str[i];
str[i] = '\0';
word = strdup (str+j);
if (word == NULL)
break;
str[i] = ch;
if (strchr (word, '*')) {
#if 0
/* for all flags in current flagspace */
list_for_each(pos, &flags) {
flag_t *flag = (flag_t *)list_entry(pos, flag_t, list);
//if (core->interrupted)
// break;
/* filter per flag spaces */
// if ((flag_space_idx != -1) && (flag->space != flag_space_idx))
// continue;
core->offset = flag->offset;
radare_read(0);
cons_printf("; @@ 0x%08"PFMT64x" (%s)\n", core->offset, flag->name);
radare_cmd(cmd,0);
}
#else
eprintf ("No flags foreach implemented\n");
#endif
} else {
/* for all flags in current flagspace */
2010-12-23 23:51:01 +00:00
r_list_foreach (core->flags->flags, iter, flag) {
if (r_cons_singleton()->breaked)
2009-03-21 02:17:43 +00:00
break;
/* filter per flag spaces */
if ((core->flags->space_idx != -1) && (flag->space != core->flags->space_idx))
continue;
if (word[0]=='\0' || strstr(flag->name, word) != NULL) {
r_core_seek (core, flag->offset, 1);
// TODO: Debug mode print
//r_cons_printf ("# @@ 0x%08"PFMT64x" (%s)\n", core->offset, flag->name);
r_core_cmd (core, cmd, 0);
}
}
#if 0
/* ugly copypasta from tmpseek .. */
if (strstr(word, each)) {
if (word[i]=='+'||word[i]=='-')
core->offset = core->offset + r_num_math (get_math(core->num, word);
else core->offset = r_num_math (get_math(core->num, word);
radare_read(0);
cons_printf("; @@ 0x%08"PFMT64x"\n", core->offset);
radare_cmd(cmd,0);
}
#endif
r_cons_break (NULL, NULL);
core->cmd->macro.counter++ ;
free (word);
word = NULL;
}
}
}
r_cons_break_end ();
2009-03-21 02:17:43 +00:00
// XXX: use r_core_seek here
core->offset = oseek;
free (word);
free (ostr);
return R_TRUE;
}
2011-04-06 09:35:18 +00:00
R_API int r_core_cmd(RCore *core, const char *cstr, int log) {
int len, rep, ret = R_FALSE;
char *cmd, *ocmd;
2011-04-06 09:35:18 +00:00
if (cstr && *cstr) {
/* list cstr plugins */
if (!strcmp (cstr, ":")) {
RListIter *iter = r_list_iterator (core->cmd->plist);
while (r_list_iter_next (iter)) {
RCmdPlugin *cp = (RCmdPlugin*) r_list_iter_get (iter);
r_cons_printf ("%s: %s\n", cp->name, cp->desc);
}
return 0;
}
2011-04-06 09:35:18 +00:00
len = strlen (cstr)+1;
ocmd = cmd = malloc (len+8192);
if (ocmd == NULL)
return R_FALSE;
2011-04-06 09:35:18 +00:00
strcpy (cmd, cstr);
cmd = r_str_trim_head_tail (cmd);
rep = atoi (cmd);
if (rep<1) rep = 1;
if (rep>0) {
ret = R_TRUE;
while (*cmd>='0'&&*cmd<='9')
cmd++;
while (rep--) {
ret = r_core_cmd_subst (core, cmd);
if (ret<0)
break;
}
}
2011-04-06 09:35:18 +00:00
if (log) r_line_hist_add (cstr);
free (core->oobi);
free (ocmd);
core->oobi = NULL;
core->oobi_len = 0;
}
return ret;
}
R_API int r_core_cmd_file(RCore *core, const char *file) {
int ret = R_TRUE;
char *data, *odata = r_file_slurp (file, NULL);
if (odata != NULL) {
char *nl = strchr (odata, '\n');
if (nl) {
data = odata;
do {
*nl = '\0';
if (r_core_cmd (core, data, 0) == -1) {
eprintf ("r_core_cmd_file: Failed to run '%s'\n", data);
ret = R_FALSE;
break;
}
data = nl+1;
} while ((nl = strchr (data, '\n')));
}
free (odata);
} else ret = R_FALSE;
return ret;
}
R_API int r_core_cmd_command(RCore *core, const char *command) {
int len;
char *buf, *rcmd, *ptr;
rcmd = ptr = buf = r_sys_cmd_str (command, 0, &len);
if (buf == NULL)
return -1;
while ((ptr = strstr (rcmd, "\n"))) {
*ptr = '\0';
if (r_core_cmd (core, rcmd, 0) == -1) {
eprintf ("Error running command '%s'\n", rcmd);
break;
}
rcmd += strlen (rcmd)+1;
}
r_str_free(buf);
return 0;
}
static void cmd_dm(RCore *core, const char *input) {
switch (input[0]) {
case '?':
r_cons_printf (
"Usage: dm [size]\n"
" dm List memory maps of target process\n"
" dm* Same as above but in radare commands\n"
" dm 4096 Allocate 4096 bytes in child process\n"
" dm-0x8048 Deallocate memory map of address 0x8048\n"
" dmi [addr|libname] [symname] List symbols of target lib\n"
" dmi* [addr|libname] [symname] Same as above but in radare commands\n"
//" dm rw- esp 9K set 9KB of the stack as read+write (no exec)\n"
"TODO: map files in process memory.\n");
break;
case 'i':
{ // Move to a separate function
ut64 addr = 0LL;
char *libname = NULL, *symname = NULL;
char *ptr = strdup (r_str_trim_head ((char*)input+2));
char cmd[1024], *cmdret;
int i, len;
i = r_str_word_set0 (ptr);
switch (i) {
case 2: // get symname
symname = r_str_word_get0 (ptr, 1);
case 1: // get addr|libname
addr = r_num_math (core->num, r_str_word_get0 (ptr, 0));
if (!addr) libname = r_str_word_get0 (ptr, 0);
}
r_debug_map_sync (core->dbg); // update process memory maps
RListIter *iter = r_list_iterator (core->dbg->maps);
while (r_list_iter_next (iter)) {
RDebugMap *map = r_list_iter_get (iter);
if ((addr != -1 && (addr >= map->addr && addr < map->addr_end)) ||
(libname != NULL && (strstr (map->name, libname)))) {
if (symname)
snprintf (cmd, sizeof (cmd), "rabin2 -b 0x%08"PFMT64x" -s%svn %s %s",
map->addr, input[1]=='*'?"r":"", symname, map->name);
else
snprintf (cmd, sizeof (cmd), "rabin2 -b 0x%08"PFMT64x" -s%sv %s",
map->addr, input[1]=='*'?"r":"", map->name);
if ((cmdret = r_sys_cmd_str (cmd, 0, &len))) {
r_cons_printf (cmdret);
free (cmdret);
}
break;
}
}
free (ptr);
}
break;
case '*':
case '-':
case ' ':
eprintf ("TODO\n");
break;
default:
r_debug_map_sync (core->dbg); // update process memory maps
r_debug_map_list (core->dbg, core->offset);
break;
}
}
static int step_until(RCore *core, ut64 addr) {
ut64 off = r_debug_reg_get (core->dbg, "pc");
if (off == 0LL) {
eprintf ("Cannot 'drn pc'\n");
return R_FALSE;
}
if (addr == 0LL) {
eprintf ("Cannot continue until address 0\n");
return R_FALSE;
}
do {
r_debug_step (core->dbg, 1);
if (checkbpcallback (core)) {
eprintf ("Interrupted by a breakpoint\n");
break;
}
off = r_debug_reg_get (core->dbg, "pc");
// check breakpoint here
} while (off != addr);
return R_TRUE;
}
static int step_line(RCore *core, int times) {
char file[512], file2[512];
int find_meta, line, line2;
ut64 off = r_debug_reg_get (core->dbg, "pc");
if (off == 0LL) {
eprintf ("Cannot 'drn pc'\n");
return R_FALSE;
}
if (r_bin_meta_get_line (core->bin, off, file, sizeof (file), &line)) {
eprintf ("--> 0x%08"PFMT64x" %s : %d\n", off, file, line);
eprintf ("--> %s\n", r_file_slurp_line (file, line, 0));
find_meta = R_FALSE;
} else {
eprintf ("--> Stepping until dwarf line\n");
find_meta = R_TRUE;
}
do {
r_debug_step (core->dbg, 1);
if (checkbpcallback (core)) {
eprintf ("Interrupted by a breakpoint\n");
break;
}
off = r_debug_reg_get (core->dbg, "pc");
if (!r_bin_meta_get_line (core->bin, off, file2, sizeof (file2), &line2)) {
if (find_meta)
continue;
eprintf ("Cannot retrieve dwarf info at 0x%08"PFMT64x"\n", off);
return R_FALSE;
}
} while (!strcmp (file, file2) && line == line2);
eprintf ("--> 0x%08"PFMT64x" %s : %d\n", off, file2, line2);
eprintf ("--> %s\n", r_file_slurp_line (file2, line2, 0));
return R_TRUE;
}
static void cmd_debug_pid(RCore *core, const char *input) {
const char *ptr;
int pid, sig;
switch (input[1]) {
case 'k':
/* XXX: not for threads? signal is for a whole process!! */
/* XXX: but we want fine-grained access to process resources */
pid = atoi (input+2);
ptr = strchr (input, ' ');
if (ptr) sig = atoi (ptr+1);
else sig = 0;
if (pid > 0) {
eprintf ("Sending signal '%d' to pid '%d'\n",
sig, pid);
r_debug_kill (core->dbg, R_FALSE, sig);
} else eprintf ("Invalid arguments\n");
break;
case 'n':
eprintf ("TODO: debug_fork: %d\n", r_debug_fork (core->dbg));
break;
case 't':
if (input[2] == 'n') {
eprintf ("TODO: debug_clone: %d\n", r_debug_clone (core->dbg));
} else
if (input[2]=='=' || input[2]==' ')
r_debug_select (core->dbg, core->dbg->pid,
(int) r_num_math (core->num, input+3));
else r_debug_thread_list (core->dbg, core->dbg->pid);
break;
case '?':
r_cons_printf ("Usage: dp[=][pid]\n"
" dp list current pid and childrens\n"
" dp 748 list childs of pid\n"
" dp* list all attachable pids\n"
" dpa 377 attach and select this pid\n"
" dp=748 select this pid\n"
" dpn Create new process (fork)\n"
" dpnt Create new thread (clone)\n"
" dpt List threads of current pid\n"
" dpt 74 List threads of given process\n"
" dpt=64 Attach to thread\n"
" dpk P S send signal S to P process id\n");
break;
case 'a':
r_debug_use (core->dbg, NULL);
r_debug_attach (core->dbg,
(int) r_num_math (core->num, input+2));
r_debug_select (core->dbg, core->dbg->pid, core->dbg->tid);
break;
case 'f':
r_debug_select (core->dbg, core->file->fd->fd, core->dbg->tid);
break;
case '=':
r_debug_select (core->dbg,
(int) r_num_math (core->num, input+2), core->dbg->tid);
break;
case '*':
r_debug_pid_list (core->dbg, 0);
break;
case ' ':
r_debug_pid_list (core->dbg,
(int) r_num_math (core->num, input+2));
break;
default:
eprintf ("selected: %d %d\n", core->dbg->pid, core->dbg->tid);
r_debug_pid_list (core->dbg, core->dbg->pid);
break;
}
}
static int cmd_debug(void *data, const char *input) {
RCore *core = (RCore *)data;
struct r_anal_op_t analop;
int len, times, sig;
ut64 addr;
char *ptr;
switch (input[0]) {
case 'x': // XXX : only for testing
r_debug_execute (core->dbg, (ut8*)
"\xc7\xc0\x03\x00\x00\x00\x33\xdb\x33"
"\xcc\xc7\xc2\x10\x00\x00\x00\xcd\x80", 18);
break;
case 't':
// TODO: Add support to change the tag
if (input[1]=='r') {
r_debug_trace_free (core->dbg);
core->dbg->trace = r_debug_trace_new ();
} else r_debug_trace_list (core->dbg, -1);
break;
case 'd':
eprintf ("TODO: dd: file descriptors\n");
switch (input[1]) {
case 0:
// r_debug_desc_list()
break;
case '*':
// r_debug_desc_list(1)
break;
case 's':
// r_debug_desc_seek()
break;
case 'd':
// r_debug_desc_dup()
break;
case 'r':
// r_debug_desc_read()
break;
case 'w':
// r_debug_desc_write()
break;
case '-':
// close file
break;
case ' ':
// open file
break;
}
break;
case 's':
times = atoi (input+2);
if (times<1) times = 1;
switch (input[1]) {
case '?':
r_cons_printf ("Usage: ds[ol] [count]\n"
" ds step one instruction\n"
" ds 4 step 4 instructions\n"
" dso 3 step over 3 instructions\n"
" dsu addr step until address\n"
" dsl step one source line\n"
" dsl 40 step 40 source lines\n");
break;
case 'u':
r_reg_arena_swap (core->dbg->reg, R_TRUE);
step_until (core, r_num_math (core->num, input+2)); // XXX dupped by times
break;
case 'o':
r_reg_arena_swap (core->dbg->reg, R_TRUE);
r_debug_step_over (core->dbg, times);
if (checkbpcallback (core)) {
eprintf ("Interrupted by a breakpoint\n");
break;
}
break;
case 'l':
r_reg_arena_swap (core->dbg->reg, R_TRUE);
step_line (core, times);
break;
default:
r_reg_arena_swap (core->dbg->reg, R_TRUE);
r_debug_reg_sync (core->dbg, R_REG_TYPE_GPR, R_FALSE);
r_debug_step (core->dbg, times);
if (checkbpcallback (core)) {
eprintf ("Interrupted by a breakpoint\n");
break;
}
}
break;
case 'b':
r_core_cmd_bp (core, input);
break;
case 'H':
eprintf ("TODO: transplant process\n");
break;
case 'c':
switch (input[1]) {
case '?':
eprintf("Usage: dc[?] -- continue execution\n"
" dc? show this help\n"
" dc continue execution of all childs\n"
" dcf continue until fork (TODO)\n"
" dct [len] traptrace from curseek to len, no argument to list\n"
" dcu [addr] continue until address\n"
" dcu [addr] [end] continue until given address range\n"
" dco [num] step over N instructions\n"
" dcs [num] continue until syscall\n"
" dcc continue until call (use step into)\n"
" dcr continue until ret (uses step over)\n"
" dck [sig] [pid] continue sending kill 9 to process\n"
" dc [pid] continue execution of pid\n"
" dc[-pid] stop execution of pid\n"
"TODO: dcu/dcr needs dbg.untilover=true??\n"
"TODO: same for only user/libs side, to avoid steping into libs\n"
"TODO: support for threads?\n");
break;
case 'c':
r_reg_arena_swap (core->dbg->reg, R_TRUE);
r_debug_continue_until_optype (core->dbg, R_ANAL_OP_TYPE_CALL, 0);
checkbpcallback (core);
break;
case 'r':
r_reg_arena_swap (core->dbg->reg, R_TRUE);
r_debug_continue_until_optype (core->dbg, R_ANAL_OP_TYPE_RET, 1);
checkbpcallback (core);
break;
case 'k':
// select pid and r_debug_continue_kill (core->dbg,
r_reg_arena_swap (core->dbg->reg, R_TRUE);
ptr = strchr (input+3, ' ');
if (ptr) {
bypassbp (core);
int old_pid = core->dbg->pid;
int old_tid = core->dbg->tid;
int pid = atoi (ptr+1);
int tid = pid; // XXX
*ptr = 0;
r_debug_select (core->dbg, pid, tid);
r_debug_continue_kill (core->dbg, atoi (input+2));
r_debug_select (core->dbg, old_pid, old_tid);
} else r_debug_continue_kill (core->dbg, atoi (input+2));
checkbpcallback (core);
break;
case 's':
sig = r_num_math (core->num, input+2);
eprintf ("Continue until syscall %d\n", sig);
r_reg_arena_swap (core->dbg->reg, R_TRUE);
r_debug_continue_syscall (core->dbg, sig);
checkbpcallback (core);
/* TODO : use r_syscall here, to retrieve syscall info */
break;
case 'u':
ptr = strchr (input+3, ' ');
if (ptr) { // TODO: put '\0' in *ptr to avoid
ut64 from, to, pc;
from = r_num_math (core->num, input+3);
to = r_num_math (core->num, ptr+1);
do {
r_debug_step (core->dbg, 1);
r_debug_reg_sync (core->dbg, R_REG_TYPE_GPR, R_FALSE);
pc = r_debug_reg_get (core->dbg, "pc");
eprintf ("Continue 0x%08"PFMT64x" > 0x%08"PFMT64x" < 0x%08"PFMT64x"\n",
from, pc, to);
} while (pc < from || pc > to);
return 1;
}
addr = r_num_math (core->num, input+2);
if (addr) {
eprintf ("Continue until 0x%08"PFMT64x"\n", addr);
bypassbp (core);
r_reg_arena_swap (core->dbg->reg, R_TRUE);
r_bp_add_sw (core->dbg->bp, addr, 1, R_BP_PROT_EXEC);
r_debug_continue (core->dbg);
checkbpcallback (core);
r_bp_del (core->dbg->bp, addr);
} else eprintf ("Cannot continue until address 0\n");
break;
case ' ':
{
int old_pid = core->dbg->pid;
int pid = atoi (input+2);
bypassbp (core);
r_reg_arena_swap (core->dbg->reg, R_TRUE);
r_debug_select (core->dbg, pid, core->dbg->tid);
r_debug_continue (core->dbg);
r_debug_select (core->dbg, old_pid, core->dbg->tid);
checkbpcallback (core);
}
break;
case 't':
len = r_num_math (core->num, input+2);
if (len == 0) {
r_bp_traptrace_list (core->dbg->bp);
} else {
ut64 oaddr = 0LL;
eprintf ("Trap tracing 0x%08"PFMT64x"-0x%08"PFMT64x"\n", core->offset, core->offset+len);
r_reg_arena_swap (core->dbg->reg, R_TRUE);
r_bp_traptrace_reset (core->dbg->bp, R_TRUE);
r_bp_traptrace_add (core->dbg->bp, core->offset, core->offset+len);
r_bp_traptrace_enable (core->dbg->bp, R_TRUE);
do {
ut8 buf[32];
r_debug_continue (core->dbg);
if (checkbpcallback (core)) {
eprintf ("Interrupted by breakpoint\n");
break;
}
addr = r_debug_reg_get (core->dbg, "pc");
if (addr == 0LL) {
eprintf ("pc=0\n");
break;
}
if (addr == oaddr) {
eprintf ("pc=opc\n");
break;
}
oaddr = addr;
/* XXX Bottleneck..we need to reuse the bytes read by traptrace */
// XXX Do asm.arch should define the max size of opcode?
r_core_read_at (core, addr, buf, 32); // XXX longer opcodes?
r_anal_op (core->anal, &analop, addr, buf, sizeof (buf));
} while (r_bp_traptrace_at (core->dbg->bp, addr, analop.length));
r_bp_traptrace_enable (core->dbg->bp, R_FALSE);
}
break;
default:
bypassbp (core);
r_reg_arena_swap (core->dbg->reg, R_TRUE);
r_debug_continue (core->dbg);
checkbpcallback (core);
}
break;
case 'm':
cmd_dm (core, input+1);
break;
case 'r':
cmd_reg (core, input+1);
//r_core_cmd (core, "|reg", 0);
break;
case 'p':
cmd_debug_pid (core, input);
break;
case 'h':
if (input[1]==' ')
r_debug_use (core->dbg, input+2);
else r_debug_plugin_list (core->dbg);
break;
default:
r_cons_printf ("Usage: d[sbhcrbo] [arg]\n"
" dh [handler] list or set debugger handler\n"
" dH [handler] transplant process to a new handler\n"
" dd file descriptors (!fd in r1)\n"
" ds[ol] N step, over, source line\n"
" dp[=*?t][pid] list, attach to process or thread id\n"
" dc[?] continue execution. dc? for more\n"
" dr[?] cpu registers, dr? for extended help\n"
" db[?] breakpoints\n"
" dbt display backtrace\n"
" dt[r] [tag] display instruction traces (dtr=reset)\n"
" dm show memory maps\n");
break;
}
return 0;
}
//TODO: Fix disasm loop is mandatory
R_API char *r_core_disassemble_instr(RCore *core, ut64 addr, int l) {
char *cmd, *ret = NULL;
cmd = r_str_dup_printf ("pd %i @ 0x%08"PFMT64x, l, addr);
if (cmd) {
ret = r_core_cmd_str (core, cmd);
free (cmd);
}
return ret;
}
R_API char *r_core_disassemble_bytes(RCore *core, ut64 addr, int b) {
char *cmd, *ret = NULL;
cmd = r_str_dup_printf ("pD %i @ 0x%08"PFMT64x, b, addr);
if (cmd) {
ret = r_core_cmd_str (core, cmd);
free (cmd);
}
return ret;
}
R_API int r_core_cmd_buffer(void *user, const char *buf) {
char *ptr, *optr, *str = strdup (buf);
optr = str;
ptr = strchr (str, '\n');
while (ptr) {
ptr[0]='\0';
r_core_cmd (user, optr, 0);
optr = ptr+1;
ptr = strchr (str, '\n');
}
r_core_cmd (user, optr, 0);
free (str);
return R_TRUE;
}
R_API int r_core_cmdf(void *user, const char *fmt, ...) {
char string[1024];
int ret;
va_list ap;
va_start (ap, fmt);
vsnprintf (string, sizeof (string), fmt, ap);
ret = r_core_cmd ((RCore *)user, string, 0);
va_end(ap);
return ret;
}
R_API int r_core_cmd0(void *user, const char *cmd) {
return r_core_cmd ((RCore *)user, cmd, 0);
}
/* return: pointer to a buffer with the output of the command */
R_API char *r_core_cmd_str(RCore *core, const char *cmd) {
char *retstr = NULL;
r_cons_reset ();
if (r_core_cmd (core, cmd, 0) == -1) {
eprintf ("Invalid command: %s\n", cmd);
retstr = strdup ("");
} else {
r_cons_filter ();
const char *static_str = r_cons_get_buffer ();
retstr = strdup (static_str?static_str:"");
r_cons_reset ();
}
return retstr;
}
void r_core_cmd_init(RCore *core) {
core->cmd = r_cmd_new ();
core->cmd->macro.num = core->num;
core->cmd->macro.user = core;
core->cmd->macro.cmd = r_core_cmd0;
r_cmd_set_data (core->cmd, core);
r_cmd_add (core->cmd, "x", "alias for px", &cmd_hexdump);
r_cmd_add (core->cmd, "mount", "mount filesystem", &cmd_mount);
r_cmd_add (core->cmd, "analysis", "analysis", &cmd_anal);
r_cmd_add (core->cmd, "flag", "get/set flags", &cmd_flag);
r_cmd_add (core->cmd, "debug", "debugger operations", &cmd_debug);
r_cmd_add (core->cmd, "info", "get file info", &cmd_info);
r_cmd_add (core->cmd, "cmp", "compare memory", &cmd_cmp);
r_cmd_add (core->cmd, "seek", "seek to an offset", &cmd_seek);
r_cmd_add (core->cmd, "zign", "zignatures", &cmd_zign);
r_cmd_add (core->cmd, "Section", "setup section io information", &cmd_section);
r_cmd_add (core->cmd, "bsize", "change block size", &cmd_bsize);
r_cmd_add (core->cmd, "eval", "evaluate configuration variable", &cmd_eval);
r_cmd_add (core->cmd, "print", "print current block", &cmd_print);
r_cmd_add (core->cmd, "write", "write bytes", &cmd_write);
r_cmd_add (core->cmd, "Code", "code metadata", &cmd_meta);
r_cmd_add (core->cmd, "Project", "project", &cmd_project);
r_cmd_add (core->cmd, "open", "open or map file", &cmd_open);
r_cmd_add (core->cmd, "yank", "yank bytes", &cmd_yank);
r_cmd_add (core->cmd, "resize", "change file size", &cmd_resize);
r_cmd_add (core->cmd, "Visual", "enter visual mode", &cmd_visual);
r_cmd_add (core->cmd, "!", "run system command", &cmd_system);
r_cmd_add (core->cmd, "=", "io pipe", &cmd_rap);
r_cmd_add (core->cmd, "#", "calculate hash", &cmd_hash);
r_cmd_add (core->cmd, "?", "help message", &cmd_help);
r_cmd_add (core->cmd, ".", "interpret", &cmd_interpret);
r_cmd_add (core->cmd, "/", "search kw, pattern aes", &cmd_search);
r_cmd_add (core->cmd, "(", "macro", &cmd_macro);
r_cmd_add (core->cmd, "quit", "exit program session", &cmd_quit);
}