Example #1
0
int test_num(RNum *num, const char *str, ut64 okvalue) {
	ut64 ret;
	printf("        %"PFMT64d" == ", okvalue);
 	ret = r_num_math(num, str);
	printf("%"PFMT64d"  \t; %s", ret, str);
	if (ret == okvalue) printf("\r ok\n");
	else printf("\rFAIL\n");
}
Example #2
0
static int cmd_meta(void *data, const char *input) {
	RCore *core = (RCore*)data;
	int i;
	RAnalFunction *f;

	switch (*input) {
	case 'j':
	case '*':
		r_meta_list (core->anal, R_META_TYPE_ANY, *input);
		break;
	case 'L':
		cmd_meta_lineinfo (core, input + 1);
		break;
	case 'C':
		cmd_meta_comment (core, input);
		break;
	case 'h': /* comment */
	case 's': /* string */
	case 'd': /* data */
	case 'm': /* magic */
	case 'f': /* formatted */
		cmd_meta_hsdmf (core, input);
		break;
	case '-':
		if (input[1]!='*') {
			i = r_num_math (core->num, input+((input[1]==' ')?2:1));
			r_meta_del (core->anal, R_META_TYPE_ANY, core->offset, i, "");
		} else r_meta_cleanup (core->anal, 0LL, UT64_MAX);
		break;
	case '\0':
	case '?':{
			const char* help_msg[] = {
				"Usage:", "C[-LCvsdfm?] [...]", " # Metadata management",
				"C*", "", "list meta info in r2 commands",
				"C-", " [len] [[@]addr]", "delete metadata at given address range",
				"CL", "[-][*] [file:line] [addr]", "show or add 'code line' information (bininfo)",
				"CC", "[-] [comment-text] [@addr]", "add/remove comment",
				"CC!", " [@addr]", "edit comment with $EDITOR",
				"CCa", "[-at]|[at] [text] [@addr]", "add/remove comment at given address",
				"CCu", " [comment-text] [@addr]", "add unique comment",
				"Cs", "[-] [size] [@addr]", "add string",
				"Ch", "[-] [size] [@addr]", "hide data",
				"Cd", "[-] [size] [@addr]", "hexdump data",
				"Cf", "[-] [sz] [fmt..] [@addr]", "format memory (see pf?)",
				"Cm", "[-] [sz] [fmt..] [@addr]", "magic parse (see pm?)",
				NULL};
			r_core_cmd_help (core, help_msg);
			}
		break;
	case 'F':
		f = r_anal_get_fcn_in (core->anal, core->offset,
			R_ANAL_FCN_TYPE_FCN|R_ANAL_FCN_TYPE_SYM);
		if (f) r_anal_str_to_fcn (core->anal, f, input+2);
		else eprintf ("Cannot find function here\n");
		break;
	}
	return R_TRUE;
}
Example #3
0
static bool cmd_wf(RCore *core, const char *input) {
	ut8 *buf;
	int size;
	const char *arg = input + ((input[1] == ' ') ? 2 : 1);
	int wseek = r_config_get_i (core->config, "cfg.wseek");
	char *p, *a = r_str_chop (strdup (arg));
	// XXX: file names cannot contain spaces
	p = strchr (a, ' ');
	if (p) *p++ = 0;

	if (*arg =='?' || !*arg) {
		eprintf ("Usage: wf [file] ([size] ([offset]))\n");
	}
	if (!strcmp (arg, "-")) {
		char *out = r_core_editor (core, NULL, NULL);
		if (out) {
			r_io_write_at (core->io, core->offset,
				(ut8*)out, strlen (out));
			free (out);
		}
	}
	if ((buf = (ut8*) r_file_slurp (a, &size))) {
		int u_size = size;
		int u_offset = 0;
		u_size = r_num_math (core->num, p);
		if (u_size < 1) u_size = size;
		if (p) {
			*p++ = 0;
			u_offset = r_num_math (core->num, p);
			if (u_offset > size) {
				eprintf ("Invalid offset\n");
				free (buf);
				return false;
			}
		}
		r_io_use_desc (core->io, core->file->desc);
		r_io_write_at (core->io, core->offset, buf + u_offset, u_size);
		WSEEK (core, size);
		free (buf);
		r_core_block_read (core, 0);
	} else {
		eprintf ("Cannot open file '%s'\n", arg);
	}
	return true;
}
Example #4
0
static int cmd_meta(void *data, const char *input) {
	RCore *core = (RCore*)data;
	int i;
	char *t = 0;
	RAnalFunction *f;

	switch (*input) {
	case 'j':
	case '*':
		r_meta_list (core->anal, R_META_TYPE_ANY, *input);
		break;
	case 'L':
		cmd_meta_lineinfo (core, input + 1);
		break;
	case 'C':
		cmd_meta_comment (core, input);
		break;
	case 'h': /* comment */
	case 's': /* string */
	case 'd': /* data */
	case 'm': /* magic */
	case 'f': /* formatted */
		cmd_meta_hsdmf (core, input);
		break;
	case '-':
		if (input[1]!='*') {
			i = r_num_math (core->num, input+((input[1]==' ')?2:1));
			r_meta_del (core->anal, R_META_TYPE_ANY, core->offset, i, "");
		} else r_meta_cleanup (core->anal, 0LL, UT64_MAX);
		break;
	case '\0':
	case '?':
		r_cons_strcat (
			"|Usage: C[-LCvsdfm?] [...]\n"
		"| C*                              List meta info in r2 commands\n"
		"| C- [len] [@][ addr]             delete metadata at given address range\n"
		"| CL[-][*] [file:line] [addr]     show or add 'code line' information (bininfo)\n"
		"| CC[-] [comment-text]    add/remove comment. Use CC! to edit with $EDITOR\n"
		"| CCa[-at]|[at] [text]    add/remove comment at given address\n"
		"| Cs[-] [size] [[addr]]   add string\n"
		"| Ch[-] [size] [@addr]    hide data\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':
		f = r_anal_fcn_find (core->anal, core->offset,
			R_ANAL_FCN_TYPE_FCN|R_ANAL_FCN_TYPE_SYM);
		if (f) r_anal_str_to_fcn (core->anal, f, input+2);
		else eprintf ("Cannot find function here\n");
		break;
	}
	if (t)
		free (t);
	return R_TRUE;
}
Example #5
0
File: rax2.c Project: bigos/radare2
static int format_output (char mode, const char *s) {
	ut64 n = r_num_math (num, s);
	const char *str = (char*) &n;
	char strbits[65];

	if (flags & 2) {
		/* swap endian */
		ut32 n2 = (n>>32)? 8:4;
		r_mem_copyendian ((ut8*) str, (ut8*) str, n2, 0);
	}
Example #6
0
R_API ut64 r_reg_set_bvalue(RReg *reg, RRegItem *item, const char *str) {
	ut64 num;
	if (!item->flags)
		return UT64_MAX;
	num = r_str_bits_from_string (str, item->flags);
	if (num == UT64_MAX) 
		r_reg_set_value (reg, item, r_num_math (NULL, str));
	else r_reg_set_value (reg, item, num);
	return num;
}
Example #7
0
static int rax(const char *str) {
	ut64 n;
	if (*str=='q')
		return 0;
 	n = r_num_math(NULL, str);
	if (str[0]=='0'&&str[1]=='x')
		printf("%"PFMT64d"\n", n);
	else printf("0x%"PFMT64x"\n", n);
	return 1;
}
Example #8
0
R_API ut64 r_reg_set_bvalue(RReg *reg, RRegItem *item, const char *str) {
	ut64 num = UT64_MAX;
	if (item && item->flags && str) {
		num = r_str_bits_from_string (str, item->flags);
		if (num == UT64_MAX) {
			num = r_num_math (NULL, str);
		}
		r_reg_set_value (reg, item, num);
	}
	return num;
}
Example #9
0
static RIODesc* __open(RIO* io, const char* pathname, int rw, int mode) {
	RIONull* null;
	if (__plugin_open (io, pathname,0)) {
		if (!strncmp (pathname, "null://", 7) && strlen (pathname + 7)) {
			null = R_NEW0 (RIONull);
			null->size = r_num_math (NULL, pathname + 7) + 1;         //???
			null->offset = 0LL;
			return r_io_desc_new (io, &r_io_plugin_null, pathname, rw, mode, null);
		}
	}
	return NULL;
}
Example #10
0
R_API int r_core_yank_file_ex (RCore *core, const char *input) {
	ut64 len = 0, adv = 0, addr = 0;
	int res = R_FALSE;

	if (!input) return res;

	// get the number of bytes to yank
	adv = consume_chars (input, ' ');
	len = r_num_math (core->num, input+adv);
	if (len == 0) {
		eprintf ("ERROR: Number of bytes read must be > 0\n");
		return res;
	}
	// get the addr/offset from in the file we want to read
	adv += find_next_char (input+adv, ' ');
	if (adv == 0) {
		eprintf ("ERROR: Address must be specified\n");
		return res;
	}
	adv++;

	IFDBG eprintf ("Handling the input: %s\n", input+adv);
	// XXX - bug, will fail if address needs to be computed and has spaces
	addr = r_num_math (core->num, input+adv);

	adv += find_next_char (input+adv, ' ');
	if (adv == 0) {
		eprintf ("ERROR: File must be specified\n");
		return res;
	}
	adv++;

	IFDBG eprintf ("Filename: %s\n", input+adv);
	// grab the current file descriptor, so we can reset core and io state
	// after our io op is done
	return perform_mapped_file_yank (core, addr, len, input+adv);
}
Example #11
0
R_API int r_core_yank_to(RCore *core, const char *_arg) {
	ut64 src = core->offset;
	ut64 len = 0;
	ut64 pos = -1;
	char *str, *arg;
	ut8 *buf;

	while (*_arg==' ') _arg++;
	arg = strdup (_arg);
	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");
		free (arg);
		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);
	free (arg);
	return 0;
}
Example #12
0
R_API RAnalMetaItem *r_meta_find_in(RAnal *a, ut64 at, int type, int where) {
	char *res = meta_inrange_get (a, at, 1);
	if (!res) {
		return NULL;
	}
	RList *list = r_str_split_list (res, ",");
	RListIter *iter;
	const char *meta;
	r_list_foreach (list, iter, meta) {
		ut64 mia = r_num_math (NULL, meta);
		RAnalMetaItem *mi = r_meta_find (a, mia, type, where);
		if (mi && (at >= mi->from && at < mi->to)) {
			free (res);
			return mi;
		}
	}
Example #13
0
R_API char *r_type_get_struct_memb(Sdb *TDB, const char *type, int offset) {
	int i, typesize = 0;
	char *res = NULL;

	if (offset < 0) {
		return NULL;
	}
	char* query = sdb_fmt ("struct.%s", type);
	char *members = sdb_get (TDB, query, 0);
	if (!members) {
		//eprintf ("%s is not a struct\n", type);
		return NULL;
	}
	int nargs = r_str_split (members, ',');
	for (i = 0; i < nargs ; i++) {
		const char *name = r_str_word_get0 (members, i);
		if (!name) {
			break;
		}
		query = sdb_fmt ("struct.%s.%s", type, name);
		char *subtype = sdb_get (TDB, query, 0);
		if (!subtype) {
			break;
		}
		int len = r_str_split (subtype, ',');
		if (len < 3) {
			free (subtype);
			break;
		}
		int val = r_num_math (NULL, r_str_word_get0 (subtype, len - 1));
		int arrsz = val ? val : 1;
		if ((typesize / 8) == offset) {
			res = r_str_newf ("%s.%s", type, name);
			free (subtype);
			break;
		}
		typesize += r_type_get_bitsize (TDB, subtype) * arrsz;
		free (subtype);
	}
	free (members);
	return res;
}
Example #14
0
File: rtr.c Project: moon2l/radare2
R_API void r_core_rtr_remove(RCore *core, const char *input) {
	int fd, i;

	if (input[0] >= '0' && input[0] <= '9') {
		fd = r_num_math (core->num, input);
		for (i = 0; i < RTR_MAX_HOSTS; i++)
			if (rtr_host[i].fd->fd == fd) {
				r_socket_free (rtr_host[i].fd);
				rtr_host[i].fd = NULL;
				if (rtr_n == i)
					for (rtr_n = 0; !rtr_host[rtr_n].fd && rtr_n < RTR_MAX_HOSTS; rtr_n++);
				break;
		}
	} else {
		for (i = 0; i < RTR_MAX_HOSTS; i++)
			if (rtr_host[i].fd)
				r_socket_free (rtr_host[i].fd);
		memset (rtr_host, '\0', RTR_MAX_HOSTS * sizeof(RCoreRtrHost));
		rtr_n = 0;
	}
}
Example #15
0
R_API RAnalVar *get_link_var(RAnal *anal, ut64 faddr, RAnalVar *var) {
	const char *var_local = sdb_fmt ("var.0x%"PFMT64x".%d.%d.%s",
			faddr, 1, var->delta, "reads");
	const char *xss = sdb_const_get (anal->sdb_fcns, var_local, 0);
	ut64 addr = r_num_math (NULL, xss);
	char *inst_key = r_str_newf ("inst.0x%"PFMT64x".lvar", addr);
	char *var_def = sdb_get (anal->sdb_fcns, inst_key, 0);

	if (!var_def) {
		free (inst_key);
		return NULL;
	}
	struct VarUsedType vut;
	RAnalVar *res = NULL;
	if (sdb_fmt_tobin (var_def, SDB_VARUSED_FMT, &vut) == 4) {
		res = r_anal_var_get (anal, vut.fcn_addr, vut.type[0], vut.scope, vut.delta);
		sdb_fmt_free (&vut, SDB_VARUSED_FMT);
	}
	free (inst_key);
	free (var_def);
	return res;
}
Example #16
0
static RIODesc *__open(RIO *io, const char *pathname, int rw, int mode) {
	if (__check (io, pathname, 0)) {
		RIOMalloc *mal = R_NEW0 (RIOMalloc);
		if (!mal) return NULL;
		rw = 7; // RWX
		mal->fd = -2; /* causes r_io_desc_new() to set the correct fd */
		if (!strncmp (pathname, "hex://", 6)) {
			mal->size = strlen (pathname);
			mal->buf = malloc (mal->size + 1);
			if (!mal->buf) {
				free (mal);
				return NULL;
			}
			mal->offset = 0;
			memset (mal->buf, 0, mal->size);
			mal->size = r_hex_str2bin (pathname + 6, mal->buf);
			if ((int)mal->size < 1) {
				R_FREE (mal->buf);
			}
		} else {
			mal->size = r_num_math (NULL, pathname + 9);
			if (((int)mal->size) <= 0) {
				free (mal);
				eprintf ("Cannot allocate (%s) 0 bytes\n", pathname + 9);
				return NULL;
			}
			mal->offset = 0;
			mal->buf = calloc (1, mal->size + 1);
		}
		if (mal->buf) {
			RETURN_IO_DESC_NEW (&r_io_plugin_malloc,
				mal->fd, pathname, rw, mode, mal);
		}
		eprintf ("Cannot allocate (%s) %d bytes\n", pathname + 9, mal->size);
		free (mal);
	}
	return NULL;
}
Example #17
0
static int filter(RParse *p, RFlag *f, char *data, char *str, int len) {
	char *ptr = data, *ptr2;
	//RListIter *iter;
	RFlagItem *flag;
	ut64 off;

	ptr2 = NULL;
	while ((ptr = strstr (ptr, "0x"))) {
		for (ptr2 = ptr; *ptr2 && !isx86separator (*ptr2); ptr2++);
		off = r_num_math (NULL, ptr);
		if (!off) {
			ptr = ptr2;
			continue;
		}
		flag = r_flag_get_i (f, off);
		if (flag && strchr (flag->name, '.')) {
		// XXX. tooslow but correct
		//r_list_foreach (f->flags, iter, flag) { if (flag->offset == off && strchr (flag->name, '.')) {
				if (p->notin_flagspace != -1) {
					if (p->flagspace == flag->space)
						continue;
				} else
				if (p->flagspace != -1 && \
					(p->flagspace != flag->space)) {
					continue;
				}
				*ptr = 0;
				snprintf (str, len, "%s%s%s", data, flag->name,
					ptr2!=ptr? ptr2: "");
				return R_TRUE;
			}
		//}
		ptr = ptr2;
	}
	strncpy (str, data, len);
	return R_FALSE;
}
Example #18
0
static int exprmatchreg (RDebug *dbg, const char *regname, const char *expr) {
	int ret = 0;
	char *p;
	char *s = strdup (expr);
	if (!s) {
		return 0;
	}
	if (!strcmp (regname, s)) {
		ret = 1;
	} else {
#define CURVAL 0){}r_str_trim_head_tail (s);if (!strcmp(regname,s) && regval
		ut64 regval = r_debug_reg_get_err (dbg, regname, NULL, NULL);
		if (exprtoken (dbg, s, ">=", &p)) {
			if (CURVAL >= r_num_math (dbg->num, p))
				ret = 1;
		} else if (exprtoken (dbg, s, "<=", &p)) {
			if (CURVAL <= r_num_math (dbg->num, p))
				ret = 1;
		} else if (exprtoken (dbg, s, "==", &p)) {
			if (CURVAL <= r_num_math (dbg->num, p))
				ret = 1;
		} else if (exprtoken (dbg, s, "<", &p)) {
			if (CURVAL < r_num_math (dbg->num, p))
				ret = 1;
		} else if (exprtoken (dbg, s, ">", &p)) {
			if (CURVAL > r_num_math (dbg->num, p))
				ret = 1;
		} else if (exprtoken (dbg, s, " ", &p)) {
			r_str_trim_head_tail (s);
			if (!strcmp (regname, s)) {
				ut64 num = r_num_math (dbg->num, p);
				ret = exprmatch (dbg, num, s);
			}
		} else {
			if (!strcmp (regname, s)) {
				ret = 1;
			}
		}
	}
	free (s);
	return ret;
}
Example #19
0
File: core.c Project: 0x2F/radare2
static ut64 num_callback(RNum *userptr, const char *str, int *ok) {
	RCore *core = (RCore *)userptr; // XXX ?
	RAnalFunction *fcn;
	char *ptr, *bptr, *out;
	RFlagItem *flag;
	RIOSection *s;
	RAnalOp op;
	ut64 ret = 0;

	if (ok) *ok = R_FALSE;
	switch (*str) {
	case '[':
{
		ut64 n = 0LL;
		int refsz = (core->assembler->bits & R_SYS_BITS_64)? 8: 4;
		const char *p = NULL;
		if (strlen (str)>5)
			p = strchr (str+5, ':');
		// TODO: honor LE
		if (p) {
			refsz = atoi (str+1);
			str = p;
		}
		// push state
		{
			if (str[0] && str[1]) {
				const char *q;
				char *o = strdup (str+1);
				if (o) {
					q = r_num_calc_index (core->num, NULL);
					if (q) {
						if (r_str_replace_char (o, ']', 0)>0) {
							n = r_num_math (core->num, o);
							r_num_calc_index (core->num, q);
						}
					}
					free (o);
				}
			}
		}
		// pop state
		if (ok) *ok = 1;
		ut32 num = 0;
		switch (refsz) {
		case 8:
		case 4:
		case 2:
		case 1:
			(void)r_io_read_at (core->io, n, (ut8*)&num, refsz);
			r_mem_copyendian ((ut8*)&num, (ut8*)&num, refsz, !core->assembler->big_endian);
			return num;
		default:
			eprintf ("Invalid reference size: %d (%s)\n", refsz, str);
			return 0LL;
		}
}
		break;
	case '$':
		if (ok) *ok = 1;
		// TODO: group analop-dependant vars after a char, so i can filter
		r_anal_op (core->anal, &op, core->offset,
			core->block, core->blocksize);
		switch (str[1]) {
		case '.': // can use pc, sp, a0, a1, ...
			return r_debug_reg_get (core->dbg, str+2);
		case 'k':
			if (str[2]!='{') {
				eprintf ("Expected '{' after 'k'.\n");
				break;
			}
			bptr = strdup (str+3);
			ptr = strchr (bptr, '}');
			if (ptr == NULL) {
				// invalid json
				free (bptr);
				break;
			}
			*ptr = '\0';
			ret = 0LL;
			out = sdb_querys (core->sdb, NULL, 0, bptr);
			if (out && *out) {
				if (strstr (out, "$k{")) {
					eprintf ("Recursivity is not permitted here\n");
				} else {
					ret = r_num_math (core->num, out);
				}
			}
			free (bptr);
			free (out);
			return ret;
			break;
		case '{':
			bptr = strdup (str+2);
			ptr = strchr (bptr, '}');
			if (ptr != NULL) {
				ut64 ret;
				ptr[0] = '\0';
				ret = r_config_get_i (core->config, bptr);
				free (bptr);
				return ret;
			}
			free (bptr);
			break;
		case 'c': return r_cons_get_size (NULL);
		case 'r': { int rows; r_cons_get_size (&rows); return rows; }
		case 'e': return r_anal_op_is_eob (&op);
		case 'j': return op.jump;
		case 'p': return r_sys_getpid ();
		case 'P': return (core->dbg->pid>0)? core->dbg->pid: 0;
		case 'f': return op.fail;
		case 'm': return op.ptr; // memref
		case 'v': return op.val; // immediate value
		case 'l': return op.size;
		case 'b': return core->blocksize;
		case 's':
			if (core->file) {
				return r_io_desc_size (core->io, core->file->desc);
			}
			return 0LL;
		case 'w': return r_config_get_i (core->config, "asm.bits") / 8;
		case 'S':
			s = r_io_section_vget (core->io, core->offset);
			return s? (str[2]=='S'? s->size: s->vaddr): 3;
		case '?': return core->num->value;
		case '$': return core->offset;
		case 'o': return r_io_section_vaddr_to_offset (core->io,
				core->offset);
		case 'C': return getref (core, atoi (str+2), 'r',
				R_ANAL_REF_TYPE_CALL);
		case 'J': return getref (core, atoi (str+2), 'r',
				R_ANAL_REF_TYPE_CODE);
		case 'D': return getref (core, atoi (str+2), 'r',
				R_ANAL_REF_TYPE_DATA);
		case 'X': return getref (core, atoi (str+2), 'x',
				R_ANAL_REF_TYPE_CALL);
		case 'I':
			fcn = r_anal_get_fcn_in (core->anal, core->offset, 0);
			return fcn? fcn->ninstr: 0;
		case 'F':
			fcn = r_anal_get_fcn_in (core->anal, core->offset, 0);
			return fcn? fcn->size: 0;
		}
		break;
	default:
		if (*str>'A') {
			// NOTE: functions override flags
			RAnalFunction *fcn = r_anal_fcn_find_name (core->anal, str);
			if (fcn) {
				if (ok) *ok = R_TRUE;
				return fcn->addr;
			}
#if 0
			ut64 addr = r_anal_fcn_label_get (core->anal, core->offset, str);
			if (addr != 0) {
				ret = addr;
			} else {
				...
			}
#endif
			if ((flag = r_flag_get (core->flags, str))) {
				ret = flag->offset;
				if (ok) *ok = R_TRUE;
			}
		}
		break;
	}
Example #20
0
static int cmd_type(void *data, const char *input) {
	RCore *core = (RCore*)data;

	switch (input[0]) {
	// t [typename] - show given type in C syntax
	case 's':
	{
		char *q, *p, *o, *e;
		p = o = strdup (input+1);
		for (;;) {
			q = strchr (p, ' ');
			if (q) *q = 0;
			if (!*p) {
				p++;
				continue;
			}
			e = strchr (p, '=');
			if (e) {
				*e = 0;
				r_anal_type_set (core->anal, core->offset,
					p, r_num_math (core->num, e+1));
			} else eprintf ("TODO: implement get\n");
			if (!q) break;
			p = q+1;
		}
		free (o);
	}
		break;
	case ' ':
	{
		char *fmt = r_anal_type_format (core->anal, input +1);
		if (fmt) {
			r_cons_printf ("pf %s\n", fmt);
			free (fmt);
		} else eprintf ("Cannot find '%s' type\n", input+1);
	}
		break;
#if 0
	// t* - list all types in 'pf' syntax
	case '*':
		r_anal_type_list (core->anal, R_ANAL_TYPE_ANY, 1);
		break;
#endif
	case 0:
		// TODO: use r_cons here
		//sdb_list (core->anal->sdb_types);
		sdb_foreach (core->anal->sdb_types, sdbforcb, core);
		break;
	case 'o':
		if (input[1] == ' ') {
			const char *filename = input + 2;
			if (!strcmp (filename, "-")) {
				char *out, *tmp;
				tmp = r_core_editor (core, "");
				if (tmp) {
					out = r_parse_c_string (tmp);
					if (out) {
						r_cons_strcat (out);
						sdb_query_lines (core->anal->sdb_types, out);
						free (out);
					}
					free (tmp);
				}
			} else {
				char *out = r_parse_c_file (filename);
				if (out) {
					r_cons_strcat (out);
					sdb_query_lines (core->anal->sdb_types, out);
					free (out);
				}
				//r_anal_type_loadfile (core->anal, filename);
			}
		}
		break;
	// td - parse string with cparse engine and load types from it
	case 'd':
		if (input[1] == '?') {
			const char * help_message[] = {
				"Usage:", "td[...]", "",
				"td", "[string]", "Load types from string",
				NULL
			 };

			r_core_cmd_help(core, help_message);
		} else
		if (input[1] == '-') {
			const char *arg = strchr (input+1, ' ');
			if (arg) arg++; else arg = input+2;
			r_anal_type_del (core->anal, arg);
		} else
		if (input[1] == ' ') {
			char tmp[256];
			snprintf (tmp, sizeof (tmp), "%s;", input+2);
			//const char *string = input + 2;
			//r_anal_str_to_type (core->anal, string);
			char *out = r_parse_c_string (tmp);
			if (out) {
				r_cons_strcat (out);
				sdb_query_lines (core->anal->sdb_types, out);
				free (out);
			}
		} else {
			eprintf ("Invalid use of td. See td? for help\n");
		}
		break;
	// tl - link a type to an address
	case 'l':
		if (input[1]=='?') {
			const char * help_message[] = {
				"Usage: tl", " [typename|addr] ([addr])@[addr|function]", "",
				NULL
			 };

			r_core_cmd_help(core, help_message);
		} else if (input[1]) {
			ut64 addr = r_num_math (core->num, input+2);
			char *ptr = strchr (input + 2, ' ');
			if (ptr) {
				addr = r_num_math (core->num, ptr + 1);
				*ptr = '\0';
			} else addr = core->offset;
			r_anal_type_link (core->anal, input+2, addr);
		} else {
			r_core_cmd0 (core, "t~^link");
		}
		break;
	case '-':
		if (input[1] == '?') {
			const char * help_message[] = {
				"Usage: t-", " <type>", "Delete type by its name",
				NULL
			 };

			r_core_cmd_help(core, help_message);
		} else
		if (input[1]=='*') {
			eprintf ("TODO\n");
		} else {
			const char *name = input + 1;
			if (*name==' ') name++;
			if (*name) {
				r_anal_type_del (core->anal, name);
			} else eprintf ("Invalid use of t- . See t-? for help.\n");
		}
		break;
	// tv - get/set type value linked to a given address
	case 'f':
		 {
			ut64 addr;
			char *fmt, key[128];
			const char *type;
			if (input[1]) {
				addr = r_num_math (core->num, input+1);
			} else addr = core->offset;
			snprintf (key, sizeof (key), "link.%"PFMT64x, addr);
			type = sdb_const_get (core->anal->sdb_types, key, 0);
			if (type) {
				fmt = r_anal_type_format (core->anal, type);
				r_cons_printf ("struct %s {\n", type);
				if (fmt) {
					r_core_cmdf (core, "pf %s @ 0x%08"PFMT64x"\n", fmt, addr);
					free (fmt);
				}// else eprintf ("Cannot find '%s' type\n", input+1);
				r_cons_printf ("}\n");
			}
		 }
		break;
	case '?':
		if (input[1]) {
			sdb_query (core->anal->sdb_types, input+1);
		} else show_help(core);

		break;
	}
	return R_TRUE;
}
Example #21
0
// XXX: this is very incomplete. must be updated to handle all format chars
int r_print_format_struct_size(const char *f, RPrint *p, int mode) {
	char *o = strdup(f);
	char *end = strchr (o, ' '), *args, *fmt = o;
	int size = 0, tabsize=0, i, idx=0, biggest = 0;
	if (!end && !(end = strchr (o, '\0')))
		return -1;
	if (*end) {
		*end = 0;
		args = strdup (end+1);
	} else {
		args = strdup ("");
	}
	if (fmt[0] == '0') {
		mode |= R_PRINT_UNIONMODE;
		fmt++;
	} else {
		mode &= ~R_PRINT_UNIONMODE;
	}

	r_str_word_set0 (args);
	for (i=0; i<strlen (fmt); i++) {
		if (fmt[i] == '[') {
			char *end = strchr (fmt+i,']');
			if (end == NULL) {
				eprintf ("No end bracket.\n");
				continue;
			}
			*end = '\0';
			tabsize = r_num_math (NULL, fmt+i+1);
			*end = ']';
			while (fmt[i++]!=']');
		} else {
			tabsize = 1;
		}

		switch (fmt[i]) {
			case 'c':
			case 'b':
			case '.':
				size+=tabsize*1;
				break;
			case 'w':
				size += tabsize*2;
				break;
			case 'd':
			case 'o':
			case 'i':
			case 'x':
			case 'f':
			case 's':
			case 't':
			case ':':
				size += tabsize*4;
				break;
			case 'S':
			case 'q':
				size += tabsize*8;
				break;
			case 'z':
			case 'Z':
				size += tabsize;
				break;
			case '*':
				size += tabsize*4;
				i++;
				break;
			case 'B':
			case 'E':
				switch (tabsize) {
				case 1: size+=1; break;
				case 2: size+=2; break;
				case 4: size+=4; break;
				default: break;
				}
				break;
			case '?':
				{
				const char *format = NULL;
				char *endname = NULL, *structname = NULL;
				structname = strdup(r_str_word_get0 (args, idx));
				if (*structname == '(') {
					endname = strchr (structname, ')');
				} else {
					eprintf ("Struct name missing (%s)\n", structname);
					free(structname);
					break;
				}
				if (endname) *endname = '\0';
				format = r_strht_get (p->formats, structname+1);
				free (structname);
				size += tabsize * r_print_format_struct_size (format, p, mode);
				}
				break;
				// TODO continue list
			default:
				break;
		}
		idx++;
		if (mode & R_PRINT_UNIONMODE) {
			if (size > biggest) biggest = size;
			size = 0;
		}
	}
	free (o);
	free (args);
	if (mode & R_PRINT_UNIONMODE)
		return biggest;
	else
		return size;
}
Example #22
0
static int cmd_meta_hsdmf (RCore *core, const char *input) {
	int n, type = input[0];
	char *t = 0, *p, name[256];
	ut64 addr_end = 0LL, addr = core->offset;

	switch (input[1]) {
	case '?':
		eprintf ("See C?\n");
		break;
	case '-':
		switch (input[2]) {
			case '*':
				core->num->value = r_meta_del (core->anal,
						input[0], 0, UT64_MAX, NULL);
				break;
			case ' ':
				addr = r_num_math (core->num, input+3);
			default:
				core->num->value = r_meta_del (core->anal,
						input[0], addr, 1, NULL);
				break;
		}
		break;
	case '*':
		r_meta_list (core->anal, input[0], 1);
		break;
	case '!':
		{
			char *out, *comment = r_meta_get_string (
					core->anal, R_META_TYPE_COMMENT, addr);
			out = r_core_editor (core, NULL, comment);
			if (out) {
				//r_meta_add (core->anal->meta, R_META_TYPE_COMMENT, addr, 0, out);
				r_core_cmdf (core, "CC-@0x%08"PFMT64x, addr);
				//r_meta_del (core->anal->meta, input[0], addr, addr+1, NULL);
				r_meta_set_string (core->anal,
						R_META_TYPE_COMMENT, addr, out);
				free (out);
			}
			free (comment);
		}
		break;
	case ' ':
	case '\0':
		if (type!='z' && !input[1]) {
			r_meta_list (core->anal, type, 0);
			break;
		}
		t = strdup (input+2);
		p = NULL;
		n = 0;
		strncpy (name, t, sizeof (name)-1);
		if (*input != 'C') {
			n = r_num_math (core->num, t);
			if (type == 'f') {
				p = strchr (t, ' ');
				if (p)
					n = r_print_format (core->print, addr, core->block,
							core->blocksize, p+1, -1, NULL, NULL);
			}
			if (type == 's') {
				/* This is kept for compatibility with old projects.
				 * Somewhat broken, but project will get corrected on
				 * save and reload.
				 */
				p = strchr (t, ' ');
				if (p)
					addr = r_num_math (core->num, p+1);
			}
			if (!*t || n>0) {
				RFlagItem *fi;
				p = strchr (t, ' ');
				if (p) {
					*p = '\0';
					strncpy (name, p+1, sizeof (name)-1);
				} else
					switch (type) {
					case 'z':
						type='s';
					case 's':
						// TODO: filter \n and so on :)
						strncpy (name, t, sizeof (name)-1);
						name[sizeof (name)-1] = '\0';
						r_core_read_at (core, addr, (ut8*)name, sizeof (name)-1);
						if (n < sizeof(name))
							name[n] = '\0';
						else name[sizeof (name)-1] = '\0';
						break;
					default:
						fi = r_flag_get_i (core->flags, addr);
						if (fi) strncpy (name, fi->name, sizeof (name)-1);
					}
			} else if (n<1) {
				eprintf ("Invalid length %d\n", n);
				return R_FALSE;
			}
		}
		if (!n) n++;
		addr_end = addr + n;
		r_meta_add (core->anal, type, addr, addr_end, name);
		free (t);
		//r_meta_cleanup (core->anal->meta, 0LL, UT64_MAX);
		break;
	default:
		eprintf ("Missing space after CC\n");
		break;
	}

	return R_TRUE;
}
Example #23
0
static int cmd_meta(void *data, const char *input) {
	RCore *core = (RCore*)data;
	int i;
	RAnalFunction *f;

	switch (*input) {
	case 'j':
	case '*':
		r_meta_list (core->anal, R_META_TYPE_ANY, *input);
		break;
	case 'L':
		cmd_meta_lineinfo (core, input + 1);
		break;
	case 'C':
		cmd_meta_comment (core, input);
		break;
	case 'h': /* comment */
	case 's': /* string */
	case 'd': /* data */
	case 'm': /* magic */
	case 'f': /* formatted */
		cmd_meta_hsdmf (core, input);
		break;
	case '-':
		if (input[1]!='*') {
			i = r_num_math (core->num, input+((input[1]==' ')?2:1));
			r_meta_del (core->anal, R_META_TYPE_ANY, core->offset, i, "");
		} else r_meta_cleanup (core->anal, 0LL, UT64_MAX);
		break;
	case '\0':
	case '?':{
			const char* help_msg[] = {
				"Usage:", "C[-LCvsdfm?] [...]", " # Metadata management",
				"C*", "", "list meta info in r2 commands",
				"C-", " [len] [[@]addr]", "delete metadata at given address range",
				"CL", "[-][*] [file:line] [addr]", "show or add 'code line' information (bininfo)",
				"CS", "[-][space]", "manage meta-spaces to filter comments, etc..",
				"CC", "[-] [comment-text] [@addr]", "add/remove comment",
				"CC!", " [@addr]", "edit comment with $EDITOR",
				"CCa", "[-at]|[at] [text] [@addr]", "add/remove comment at given address",
				"CCu", " [comment-text] [@addr]", "add unique comment",
				"Cs", "[-] [size] [@addr]", "add string",
				"Ch", "[-] [size] [@addr]", "hide data",
				"Cd", "[-] [size] [@addr]", "hexdump data",
				"Cf", "[-] [sz] [fmt..] [@addr]", "format memory (see pf?)",
				"Cm", "[-] [sz] [fmt..] [@addr]", "magic parse (see pm?)",
				NULL};
			r_core_cmd_help (core, help_msg);
			}
		break;
	case 'F':
		f = r_anal_get_fcn_in (core->anal, core->offset,
			R_ANAL_FCN_TYPE_FCN|R_ANAL_FCN_TYPE_SYM);
		if (f) r_anal_str_to_fcn (core->anal, f, input+2);
		else eprintf ("Cannot find function here\n");
		break;
	case 'S':
		 {
		RSpaces *ms = &core->anal->meta_spaces;
		/** copypasta from `fs`.. this must be refactorized to be shared */
		switch (input[1]) {
		case '?':
			{
			const char *help_msg[] = {
			"Usage: CS","[*] [+-][metaspace|addr]", " # Manage metaspaces",
			"CS","","display metaspaces",
			"CS"," *","select all metaspaces",
			"CS"," metaspace","select metaspace or create if it doesn't exist",
			"CS","-metaspace","remove metaspace",
			"CS","-*","remove all metaspaces",
			"CS","+foo","push previous metaspace and set",
			"CS","-","pop to the previous metaspace",
		//	"CSm"," [addr]","move metas at given address to the current metaspace",
			"CSr"," newname","rename selected metaspace",
			NULL};
			r_core_cmd_help (core, help_msg);
			}
			break;
		case '+':
			r_space_push (ms, input+2);
			break;
		case 'r':
			if (input[2]==' ')
				r_space_rename (ms, NULL, input+2);
			else eprintf ("Usage: CSr [newname]\n");
			break;
		case '-':
			if (input[2]) {
				if (input[2]=='*') {
					r_space_unset (ms, NULL);
				} else {
					r_space_unset (ms, input+2);
				}
			} else {
				r_space_pop (ms);
			}
			break;
		case 'j':
		case '\0':
		case '*':
			r_space_list (ms, input[1]);
			break;
		case ' ':
			r_space_set (ms, input+2);
			break;
#if 0
		case 'm':
			{ RFlagItem *f;
			ut64 off = core->offset;
			if (input[2] == ' ')
				off = r_num_math (core->num, input+2);
			f = r_flag_get_i (core->flags, off);
			if (f) {
				f->space = core->flags->space_idx;
			} else eprintf ("Cannot find any flag at 0x%"PFMT64x".\n", off);
			}
			break;
#endif
		default: {
			int i, j = 0;
			for (i=0; i<R_FLAG_SPACES_MAX; i++) {
				if (ms->spaces[i])
					r_cons_printf ("%02d %c %s\n", j++,
					(i==ms->space_idx)?'*':' ',
					ms->spaces[i]);
			}
			} break;
		}
		 }
		break;
	}
	return R_TRUE;
}
Example #24
0
static int cmd_meta_comment(RCore *core, const char *input) {
	ut64 addr = core->offset;
	switch (input[1]) {
	case '?': {
		const char* help_msg[] = {
			"Usage:", "CC[-+!*au] [base64:..|str] @ addr", "",
			"CC", "", "list all comments in human friednly form",
			"CC*", "", "list all comments in r2 commands",
			"CC.", "", "show comment at current offset",
			"CC", " or maybe not", "append comment at current address",
			"CC+", " same as above", "append comment at current address",
			"CC!", "", "edit comment using cfg.editor (vim, ..)",
			"CC-", " @ cmt_addr", "remove comment at given address",
			"CCu", " good boy @ addr", "add good boy comment at given address",
			"CCu", " base64:AA== @ addr", "add comment in base64",
			NULL};
		r_core_cmd_help (core, help_msg);
		} break;
	case '.':
		  {
			  char *comment = r_meta_get_string (
					  core->anal, R_META_TYPE_COMMENT, addr);
			  if (comment) {
				  r_cons_printf ("%s\n", comment);
				  free (comment);
			  }
		  }
		break;
	case 0:
		r_meta_list (core->anal, R_META_TYPE_COMMENT, 0);
		break;
	case '!':
		{
			char *out, *comment = r_meta_get_string (
					core->anal, R_META_TYPE_COMMENT, addr);
			out = r_core_editor (core, NULL, comment);
			if (out) {
				//r_meta_add (core->anal->meta, R_META_TYPE_COMMENT, addr, 0, out);
				r_core_cmdf (core, "CC-@0x%08"PFMT64x, addr);
				//r_meta_del (core->anal->meta, input[0], addr, addr+1, NULL);
				r_meta_set_string (core->anal,
						R_META_TYPE_COMMENT, addr, out);
				free (out);
			}
			free (comment);
		}
		break;
	case '+':
	case ' ':
		{
		const char* newcomment = input+2;
		char *text, *nc;
		while (*newcomment==' ') newcomment++;
		char *comment = r_meta_get_string (
				core->anal, R_META_TYPE_COMMENT, addr);
		nc = strdup (newcomment);
		r_str_unescape (nc);
		if (comment) {
			text = malloc (strlen (comment)+strlen (newcomment)+2);
			strcpy (text, comment);
			strcat (text, "\n");
			strcat (text, nc);
			r_meta_set_string (core->anal, R_META_TYPE_COMMENT,
					addr, text);
			free (text);
		} else {
			r_meta_set_string (core->anal, R_META_TYPE_COMMENT,
					addr, nc);
		}
		free (nc);
		}
		break;
	case '*':
		r_meta_list (core->anal, R_META_TYPE_COMMENT, 1);
		break;
	case '-':
		r_meta_del (core->anal, R_META_TYPE_COMMENT, core->offset, 1, NULL);
		break;
	case 'u':
		//
		{
		char *newcomment;
		const char *arg = input+2;
		while (*arg && *arg == ' ') arg++;
		if (!strncmp (arg, "base64:", 7)) {
			char *s = (char *)sdb_decode (arg+7, NULL);
			if (s) {
				newcomment = s;
			} else {
				newcomment = NULL;
			}
		} else {
			newcomment = strdup (arg);
		}
		if (newcomment) {
			char *comment = r_meta_get_string (
					core->anal, R_META_TYPE_COMMENT, addr);
			if (!comment || (comment && !strstr (comment, newcomment))) {
				r_meta_set_string (core->anal, R_META_TYPE_COMMENT,
						addr, newcomment);
			}
			free (comment);
			free (newcomment);
		}
		}
		break;
	case 'a':
		{
		char *s, *p;
		s = strchr (input, ' ');
		if (s) {
			s = strdup (s+1);
		} else {
			eprintf ("Usage\n");
			return R_FALSE;
		}
		p = strchr (s, ' ');
		if (p) *p++ = 0;
		ut64 addr;
		if (input[2]=='-') {
			if (input[3]) {
				addr = r_num_math (core->num, input+3);
				r_meta_del (core->anal,
						R_META_TYPE_COMMENT,
						addr, 1, NULL);
			} else eprintf ("Usage: CCa-[address]\n");
			free (s);
			return R_TRUE;
		}
		addr = r_num_math (core->num, s);
		// Comment at
		if (p) {
			if (input[2]=='+') {
				char *text = p;
				char *comment = r_meta_get_string (
						core->anal, R_META_TYPE_COMMENT,
						addr);
				if (comment) {
					text = malloc (strlen (comment) + strlen (p)+2);
					strcpy (text, comment);
					strcat (text, "\n");
					strcat (text, p);
					r_meta_add (core->anal,
							R_META_TYPE_COMMENT,
							addr, addr+1, text);
					free (text);
				} else {
					r_meta_add (core->anal,
							R_META_TYPE_COMMENT,
							addr, addr+1, p);
				}
			} else {
				r_meta_add (core->anal,
						R_META_TYPE_COMMENT,
						addr, addr+1, p);
			}
		} else eprintf ("Usage: CCa [address] [comment]\n");
		free (s);
		return R_TRUE;
		}
	}

	return R_TRUE;
}
Example #25
0
static int cmd_meta_lineinfo(RCore *core, const char *input) {
	int ret;
	ut64 offset = UT64_MAX; // use this as error value
	int remove = R_FALSE;
	int all = R_FALSE;
	const char *p = input;
	char *colon, *space, *file_line = 0;

	if (*p == '?') {
		eprintf ("Usage: CL[-][*] [file:line] [addr]");
		return 0;
	}

	if (*p == '-') {
		p++;
		remove = R_TRUE;
	}

	if (*p == '*') {
		p++;
		all = R_TRUE;
	}

	if (all) {
		if (remove) {
			sdb_reset (core->bin->cur->sdb_addrinfo);
		} else {
			sdb_foreach (core->bin->cur->sdb_addrinfo, print_addrinfo, NULL);
		}
		return 0;
	}

	while (*p == ' ') {
		p++;
	}

	if (*p) {
		offset = r_num_math (core->num, p);
		if (!offset)
			offset = core->offset;
	} else offset = core->offset;
	colon = strchr (p, ':');
	if (colon) {
		space = strchr (p, ' ');
		if (!space) {
			file_line = strdup (p);
		} else if (space > colon) {
			file_line = r_str_ndup (p, space - p);
		} else {
			goto error;
		}

		colon = strchr (file_line, ':');
		if (!colon)
			goto error;
		*colon = '|';

		while (*p != ' ')
			p++;

		while (*p == ' ')
			p++;

		if (*p != '\0') {
			ret = sscanf (p, "0x%"PFMT64x, &offset);

			if (ret != 1) {
				eprintf ("Failed to parse addr at %s\n", p);
				goto error;
			}

			ret = cmd_meta_add_fileline (core->bin->cur->sdb_addrinfo,
					file_line, offset);

			goto error;
		}

		if (!file_line)
			return -1;

		if (remove) {
			remove_meta_fileline (core, file_line);
		} else {
			print_meta_fileline (core, file_line);
		}

		free (file_line);
		return 0;
	}
	offset = core->offset;

	if (offset != UT64_MAX) {
		if (remove) {
			remove_meta_offset (core, offset);
		} else {
			print_meta_offset (core, offset);
		}
	} else {
		goto error;
	}
	return 0;

error:
	free (file_line);
	return -1;
}
Example #26
0
static void cmd_write_op (RCore *core, const char *input) {
	ut8 *buf;
	int len;
	int value;
	if (!input[0])
		return;
	switch (input[1]) {
	case 'e':
		if (input[2]!=' ') {
			r_cons_printf ("Usage: 'woe from-to step'\n");
			return;
		}
		/* fallthru */
	case 'a':
	case 's':
	case 'A':
	case 'x':
	case 'r':
	case 'l':
	case 'm':
	case 'd':
	case 'o':
	case 'w':
	case '2':
	case '4':
		if (input[2]) {  // parse val from arg
			r_core_write_op (core, input+3, input[1]);
			r_core_block_read (core);
		} else {  // use clipboard instead of val
			r_core_write_op (core, NULL, input[1]);
			r_core_block_read (core);
		}
		break;
	case 'R':
		r_core_cmd0 (core, "wr $b");
		break;
	case 'n':
		r_core_write_op (core, "ff", 'x');
		r_core_block_read (core);
		break;
	case 'E': // "woE" encrypt
	case 'D': // "woD" decrypt
		{
			int direction = (input[1] == 'E') ? 0 : 1;
			const char *algo = NULL;
			const char *key = NULL;
			const char *iv = NULL;
			char *space, *args = strdup (r_str_trim_ro (input+2));
			space = strchr (args, ' ');
			if (space) {
				*space++ = 0;
				key = space;
				space = strchr (key, ' ');
				if (space) {
					*space++ = 0;
					iv = space;
				}
			}
			algo = args;
			if (algo && *algo && key) {
				encrypt_or_decrypt_block (core, algo, key, direction, iv);
			} else {
				eprintf ("Usage: wo%c [algo] [key] [IV]\n", ((!direction)?'E':'D'));
				eprintf ("Currently supported hashes:\n");
				ut64 bits;
				int i;
				for (i = 0; ; i++) {
					bits = ((ut64)1) << i;
					const char *name = r_hash_name (bits);
					if (!name || !*name) break;
					printf ("  %s\n", name);
				}
				eprintf ("Available Encoders/Decoders: \n");
				// TODO: do not hardcode
				eprintf ("  base64\n");
				eprintf ("  base91\n");
				eprintf ("  punycode\n");
				eprintf ("Currently supported crypto algos:\n");
				for (i = 0; ; i++) {
					bits = ((ut64)1) << i;
					const char *name = r_crypto_name (bits);
					if (!name || !*name) break;
					printf ("  %s\n", name);
				}
			}
			free (args);
		}
		break;
	case 'p': // debrujin patterns
		switch (input[2]) {
		case 'D': // "wopD"
			len = (int)(input[3]==' ')
				? r_num_math (core->num, input + 3)
				: core->blocksize;
			if (len > 0) {
				/* XXX This seems to fail at generating long patterns (wopD 512K) */
				buf = (ut8*)r_debruijn_pattern (len, 0, NULL); //debruijn_charset);
				if (buf) {
					const ut8 *ptr = buf;
					ut64 addr = core->offset;
					if (input[3] == '*') {
						int i;
						r_cons_printf ("wx ");
						for (i = 0; i < len; i++) {
							r_cons_printf ("%02x", buf[i]);
						}
						r_cons_newline ();
					} else {
						while (true) {
							int res = r_core_write_at (core, addr, ptr, len);
							if (res < 1 || len == res) {
								break;
							}
							if (res < len) {
								ptr += res;
								len -= res;
								addr += res;
							}
						} 
					}
					free (buf);
				} else {
					eprintf ("Couldn't generate pattern of length %d\n", len);
				}
			}
			break;
		case 'O': // "wopO"
			if (strlen (input) > 4 && strncmp (input + 4, "0x", 2)) {
				eprintf ("Need hex value with `0x' prefix e.g. 0x41414142\n");
			} else if (input[3] == ' ') {
				value = r_num_get (core->num, input + 4);
				core->num->value = r_debruijn_offset (value, r_config_get_i (core->config, "cfg.bigendian"));
				r_cons_printf ("%"PFMT64d"\n", core->num->value);
			}
			break;
		case '\0':
		case '?':
		default:
			r_core_cmd_help (core, help_msg_wop);
			break;
		}
		break;
	case '\0':
	case '?':
	default:
		r_core_cmd_help (core, help_msg_wo);
		break;
	}
}
Example #27
0
int main(int argc, char **argv) {
	const char *query = NULL;
	int c, bits = 0, actions_done = 0, actions = 0, action = ACTION_UNK;
	char *homeplugindir = r_str_home (R2_HOMEDIR"/plugins");
	char *ptr, *arch = NULL, *arch_name = NULL;
	const char *op = NULL;
	RCoreBinFilter filter;
	RCore core;
	RCoreFile *cf = NULL;
	int xtr_idx = 0; // load all files if extraction is necessary.
	int fd = -1;
	int rawstr = 0;

	r_core_init (&core);
	bin = core.bin;
	l = r_lib_new ("radare_plugin");
	r_lib_add_handler (l, R_LIB_TYPE_BIN, "bin plugins",
			   &__lib_bin_cb, &__lib_bin_dt, NULL);
	r_lib_add_handler (l, R_LIB_TYPE_BIN_XTR, "bin xtr plugins",
			   &__lib_bin_xtr_cb, &__lib_bin_xtr_dt, NULL);

	/* load plugins everywhere */
	r_lib_opendir (l, getenv ("LIBR_PLUGINS"));
	r_lib_opendir (l, homeplugindir);
	r_lib_opendir (l, LIBDIR"/radare2/"R2_VERSION);

#define is_active(x) (action&x)
#define set_action(x) actions++; action |=x
	while ((c = getopt (argc, argv, "jgqAf:a:B:b:c:Ck:dMm:n:N:@:isSIHelRwO:o:rvLhxzZ")) != -1) {
		switch (c) {
		case 'g':
			set_action (ACTION_CLASSES);
			set_action (ACTION_IMPORTS);
			set_action (ACTION_SYMBOLS);
			set_action (ACTION_SECTIONS);
			set_action (ACTION_STRINGS);
			set_action (ACTION_SIZE);
			set_action (ACTION_INFO);
			set_action (ACTION_FIELDS);
			set_action (ACTION_DWARF);
			set_action (ACTION_ENTRIES);
			set_action (ACTION_MAIN);
			set_action (ACTION_LIBS);
			set_action (ACTION_RELOCS);
			set_action (ACTION_EXTRACT);
			break;
		case 'q': rad = R_CORE_BIN_SIMPLE; break;
		case 'j': rad = R_CORE_BIN_JSON; break;
		case 'A': set_action (ACTION_LISTARCHS); break;
		case 'a': if (optarg) arch = optarg; break;
		case 'c':
			if (!optarg) {
				eprintf ("Missing argument for -c");
				return 1;
			}
			set_action (ACTION_CREATE);
			create = strdup (optarg);
			break;
		case 'k': query = optarg; break;
		case 'C': set_action (ACTION_CLASSES); break;
		case 'f': if (optarg) arch_name = strdup (optarg); break;
		case 'b': bits = r_num_math (NULL, optarg); break;
		case 'm':
			at = r_num_math (NULL, optarg);
			set_action (ACTION_SRCLINE);
			break;
		case 'i': set_action (ACTION_IMPORTS); break;
		case 's': set_action (ACTION_SYMBOLS); break;
		case 'S': set_action (ACTION_SECTIONS); break;
		case 'z':
			if (is_active (ACTION_STRINGS)) {
				rawstr = R_TRUE;
			} else set_action (ACTION_STRINGS);
			break;
		case 'Z': set_action (ACTION_SIZE); break;
		case 'I': set_action (ACTION_INFO); break;
		case 'H': set_action (ACTION_FIELDS); break;
		case 'd': set_action (ACTION_DWARF); break;
		case 'e': set_action (ACTION_ENTRIES); break;
		case 'M': set_action (ACTION_MAIN); break;
		case 'l': set_action (ACTION_LIBS); break;
		case 'R': set_action (ACTION_RELOCS); break;
		case 'x': set_action (ACTION_EXTRACT); break;
		case 'w': rw = R_TRUE; break;
		case 'O':
			op = optarg;
			set_action (ACTION_OPERATION);
			if (op && !strcmp (op, "help")) {
				printf ("Operation string:\n"
						"  Dump symbols: d/s/1024\n"
						"  Dump section: d/S/.text\n"
						"  Resize section: r/.data/1024\n");
				return 0;
			}
			if (optind==argc) {
				eprintf ("Missing filename\n");
				return 1;
			}
			break;
		case 'o': output = optarg; break;
		case 'r': rad = R_TRUE; break;
		case 'v': va = R_TRUE; break;
		case 'L': r_bin_list (bin); return 1;
		case 'B': baddr = r_num_math (NULL, optarg); break;
		case '@': at = r_num_math (NULL, optarg); break;
		case 'n': name = optarg; break;
		case 'N': bin->minstrlen = r_num_math (NULL, optarg); break;
		//case 'V': return blob_version ("rabin2");
		case 'h': return rabin_show_help (1);
		default: action |= ACTION_HELP;
		}
	}

	file = argv[optind];
	if (!query)
	if (action & ACTION_HELP || action == ACTION_UNK || file == NULL) {
		if (va) return blob_version ("rabin2");
		return rabin_show_help (0);
	}

	if (arch) {
		ptr = strchr (arch, '_');
		if (ptr) {
			*ptr = '\0';
			bits = r_num_math (NULL, ptr+1);
		}
	}
	if (action & ACTION_CREATE) {
		// TODO: move in a function outside
		RBuffer *b;
		int datalen, codelen;
		ut8 *data = NULL, *code = NULL;
		char *p2, *p = strchr (create, ':');
		if (!p) {
			eprintf ("Invalid format for -c flag. Use 'format:codehexpair:datahexpair'\n");
			return 1;
		}
		*p++ = 0;
		p2 = strchr (p, ':');
		if (p2) {
			// has data
			*p2++ = 0;
			data = malloc (strlen (p2)+1);
			datalen = r_hex_str2bin (p2, data);
		} else {
			data = NULL;
			datalen = 0;
		}
		code = malloc (strlen (p)+1);
		if (!code) {
		    return 1;
	    }
		codelen = r_hex_str2bin (p, code);
		if (!arch) arch = "x86";
		if (!bits) bits = 32;

		if (!r_bin_use_arch (bin, arch, bits, create)) {
			eprintf ("Cannot set arch\n");
			return 1;
		}
		b = r_bin_create (bin, code, codelen, data, datalen);
		if (b) {
			if (r_file_dump (file, b->buf, b->length)) {
				eprintf ("dumped %d bytes in '%s'\n", b->length, file);
				r_file_chmod (file, "+x", 0);
			} else eprintf ("error dumping into a.out\n");
			r_buf_free (b);
		} else eprintf ("Cannot create binary for this format '%s'.\n", create);
		r_bin_free (bin);
		return 0;
	}
	r_config_set_i (core.config, "bin.rawstr", rawstr);
	cf = r_core_file_open (&core, file, R_IO_READ, 0);
	fd = cf ? r_core_file_cur_fd (&core) : -1;
	if (!cf || fd == -1) {
		eprintf ("r_core: Cannot open file\n");
		return 1;
	}

	if (!r_bin_load (bin, file, baddr, 0, xtr_idx, fd, rawstr)) {
		if (!r_bin_load (bin, file, baddr, 0, xtr_idx, fd, rawstr)) {
			eprintf ("r_bin: Cannot open file\n");
			return 1;
		}
	}

	if (query) {
		if (!strcmp (query, "-")) {
			__sdb_prompt (bin->cur->sdb);
		} else sdb_query (bin->cur->sdb, query);
		return 0;
	}

	// XXX: TODO move this to libr/core/bin.c
	if (action & ACTION_LISTARCHS || ((arch || bits || arch_name) &&
		!r_bin_select (bin, arch, bits, arch_name))) {
		if (rad == R_CORE_BIN_JSON) {
			int i;
			printf ("[");
			for (i = 0; i < bin->narch; i++) {
				if (r_bin_select_idx (bin, bin->file, i)) {
					RBinObject *o = r_bin_cur_object (bin);
					RBinInfo *info = o ? o->info : NULL;
					printf ("%s{\"arch\":\"%s\",\"bits\":%d,"
						"\"offset\":%"PFMT64d",\"machine\":\"%s\"}",
						i?",":"",info->arch, info->bits,
						bin->cur->offset, info->machine);
				}
			}
			printf ("]");
		} else r_bin_list_archs (bin, 1);
		free (arch_name);
	}

	if (baddr != 0LL) {
		r_bin_set_baddr (bin, baddr);
		bin->cur->o->baddr = baddr;
	}

	core.bin = bin;
	filter.offset = at;
	filter.name = name;

	r_cons_new ()->is_interactive = R_FALSE;

#define isradjson (rad==R_CORE_BIN_JSON&&actions>0)
#define run_action(n,x,y) {\
	if (action&x) {\
		if (isradjson) r_cons_printf ("\"%s\":",n);\
		if (!r_core_bin_info (&core, y, rad, va, &filter, 0)) {\
			if (isradjson) r_cons_printf("false");\
		};\
		actions_done++;\
		if (isradjson) r_cons_printf (actions==actions_done? "":",");\
	}\
}
	if (isradjson) r_cons_printf ("{");
	run_action ("sections", ACTION_SECTIONS, R_CORE_BIN_ACC_SECTIONS);
	run_action ("entries", ACTION_ENTRIES, R_CORE_BIN_ACC_ENTRIES);
	run_action ("main", ACTION_MAIN, R_CORE_BIN_ACC_MAIN);
	run_action ("imports", ACTION_IMPORTS, R_CORE_BIN_ACC_IMPORTS);
	run_action ("classes", ACTION_CLASSES, R_CORE_BIN_ACC_CLASSES);
	run_action ("symbols", ACTION_SYMBOLS, R_CORE_BIN_ACC_SYMBOLS);
	run_action ("strings", ACTION_STRINGS, R_CORE_BIN_ACC_STRINGS);
	run_action ("info", ACTION_INFO, R_CORE_BIN_ACC_INFO);
	run_action ("fields", ACTION_FIELDS, R_CORE_BIN_ACC_FIELDS);
	run_action ("libs", ACTION_LIBS, R_CORE_BIN_ACC_LIBS);
	run_action ("relocs", ACTION_RELOCS, R_CORE_BIN_ACC_RELOCS);
	run_action ("dwarf", ACTION_DWARF, R_CORE_BIN_ACC_DWARF);
	run_action ("size", ACTION_SIZE, R_CORE_BIN_ACC_SIZE);
	if (action&ACTION_SRCLINE)
		rabin_show_srcline (at);
	if (action&ACTION_EXTRACT)
		rabin_extract ((arch==NULL && arch_name==NULL && bits==0));
	if (op != NULL && action&ACTION_OPERATION)
		rabin_do_operation (op);
	if (isradjson)
		printf ("}");
	r_cons_flush ();
	r_core_fini (&core);

	return 0;
}
Example #28
0
static void cmd_write_value (RCore *core, const char *input) {
	int type = 0;
	ut64 off = 0LL;
	ut8 buf[sizeof(ut64)];
	int wseek = r_config_get_i (core->config, "cfg.wseek");
	bool be = r_config_get_i (core->config, "cfg.bigendian");

	if (!input)
		return;

	if (input[0])
	switch (input[1]) {
	case '?':
		r_core_cmd_help (core, help_msg_wv);
		return;
	case '1': type = 1; break;
	case '2': type = 2; break;
	case '4': type = 4; break;
	case '8': type = 8; break;
	}
	if (input && input[0] && input[1] && input[2]) {
		off = r_num_math (core->num, input+2);
	}
	if (core->file) {
		r_io_use_fd (core->io, core->file->fd);
	}
	ut64 res = r_io_seek (core->io, core->offset, R_IO_SEEK_SET);
	if (res == UT64_MAX) return;
	if (type == 0)
		type = (off&UT64_32U)? 8: 4;
	switch (type) {
	case 1:
		r_write_ble8 (buf, (ut8)(off & UT8_MAX));
		if (!r_io_write (core->io, buf, 1)) {
			cmd_write_fail ();
		} else {
			WSEEK (core, 1);
		}
		break;
	case 2:
		r_write_ble16 (buf, (ut16)(off & UT16_MAX), be);
		if (!r_io_write (core->io, buf, 2)) {
			cmd_write_fail ();
		} else {
			WSEEK (core, 2);
		}
		break;
	case 4:
		r_write_ble32 (buf, (ut32)(off & UT32_MAX), be);
		if (!r_io_write (core->io, buf, 4)) {
			cmd_write_fail ();
		} else {
			WSEEK (core, 4);
		}
		break;
	case 8:
		r_write_ble64 (buf, off, be);
		if (!r_io_write (core->io, buf, 8)) {
			cmd_write_fail ();
		} else {
			WSEEK (core, 8);
		}
		break;
	}
	r_core_block_read (core);
}
Example #29
0
R_API int r_print_format(RPrint *p, ut64 seek, const ut8* b, const int len,
		const char *fmt, int mode, const char *setval, char *ofield) {
	int nargs, i, j, invalid, nexti, idx, times, otimes, endian, isptr = 0;
	const char *argend;
	ut64 addr = 0, addr64 = 0, seeki = 0;;
	char *args = NULL, *bracket, tmp, last = 0;
	const char *arg = fmt;
	int viewflags = 0;
	char namefmt[8], *field = NULL;
	static int slide=0, oldslide=0;
	ut8 *buf;
	if (!fmt)
		return 0;
	argend = fmt+strlen (fmt);

	nexti = nargs = i = j = 0;

	if (len < 1)
		return 0;
	buf = malloc (len);
	if (!buf)
		return 0;
	memcpy (buf, b, len);
	endian = p->big_endian;

	if (ofield && ofield != MINUSONE) field = strdup (ofield);

	while (*arg && iswhitechar (*arg)) arg++;

	/* get times */
	otimes = times = atoi (arg);
	if (times > 0)
		while ((*arg>='0'&&*arg<='9')) arg++;

	bracket = strchr (arg,'{');
	if (bracket) {
		char *end = strchr (arg, '}');
		if (end == NULL) {
			eprintf ("No end bracket. Try pm {ecx}b @ esi\n");
			goto beach;
		}
		*end='\0';
		times = r_num_math (NULL, bracket+1);
		arg = end + 1;
	}

	if (*arg=='\0') {
		goto beach;
	}

	/* get args */
	args = strchr (arg, ' ');
	if (args) {
		int l=0, maxl = 0;
		argend = args;
		args = strdup (args+1);
		nargs = r_str_word_set0 (args);
		if (nargs == 0)
			R_FREE (args);
		for (i=0; i<nargs; i++) {
			const int len = strlen (r_str_word_get0 (args, i));
			if (len > maxl)
				maxl = len;
		}
		l++;
		snprintf (namefmt, sizeof (namefmt), "%%%ds : ", maxl+6*slide%STRUCTPTR);
	}
#define ISPOINTED ((slide%STRUCTFLAG)/STRUCTPTR<=(oldslide%STRUCTFLAG)/STRUCTPTR)
#define ISNESTED ((slide%STRUCTPTR)<=(oldslide%STRUCTPTR))
	if (mode == R_PRINT_JSON && slide==0) p->printf("[");
	if (arg[0] == '0') {
		mode |= R_PRINT_UNIONMODE;
		arg++;
	} else {
		mode &= ~R_PRINT_UNIONMODE;
	}

	/* go format */
	i = 0;
	if (!times)
		otimes = times = 1;
	for (; times; times--) { // repeat N times
		const char * orig = arg;
		int first = 1;
		if (otimes>1) {
			if (mode & R_PRINT_JSON) {
				if (otimes > times) p->printf (",");
				p->printf ("[{\"index\":%d,\"offset\":%d},", otimes-times, seek+i);
			} else
				p->printf ("0x%08"PFMT64x" [%d] {\n", seek+i, otimes-times);
		}
		arg = orig;
		for (idx=0; i<len && arg<argend && *arg; arg++) {
			int size, elem; /* size of the array, element of the array */
			char *fieldname = NULL, *fmtname = NULL, *oarg = NULL;
			if (mode & R_PRINT_UNIONMODE) {
				i = 0;
			}
			seeki = seek+i;
			addr = 0LL;
			invalid = 0;
			if (arg[0] == '[') {
				char *end = strchr (arg,']');
				if (end == NULL) {
					eprintf ("No end bracket.\n");
					goto beach;
				}
				*end = '\0';
				size = r_num_math (NULL, arg+1);
				arg = end + 1;
				*end = ']';
			} else {
				size = -1;
			}
			updateAddr (buf, i, endian, &addr, &addr64);

			tmp = *arg;

			if (args == NULL)
				mode |= R_PRINT_ISFIELD;
			if (mode & R_PRINT_MUSTSEE && otimes>1)
				p->printf ("   ");
			if (idx<nargs && tmp != 'e' && isptr == 0) {
				char *dot = NULL, *bracket = NULL;
				if (field)
					dot = strchr (field, '.');
				if (dot)
					*dot = '\0';
				oarg = fieldname = strdup(r_str_word_get0 (args, idx));
				if (ISSTRUCT || tmp=='E' || tmp=='B') {
					if (*fieldname == '(') {
						fmtname = fieldname+1;
						fieldname = strchr (fieldname, ')');
						if (fieldname) *fieldname++ = '\0';
						else {
							eprintf ("Missing closing parenthesis in format ')'\n");
							free (oarg);
							goto beach;
						}
					} else {
						eprintf ("Missing name (%s)\n", fieldname);
						free(oarg);
						goto beach;
					}
				}
				if (args == NULL || (field==NULL && ofield != MINUSONE)
						|| (field && !strncmp(field, fieldname, strlen(fieldname)))) {
					mode |= R_PRINT_ISFIELD;
				} else {
					mode &= ~R_PRINT_ISFIELD;
				}
				/* There we handle specific element in array */
				if (field != NULL && (bracket = strchr (field, '[')) != NULL && mode & R_PRINT_ISFIELD) {
					char *end = strchr (field, ']');
					if (end == NULL) {
						eprintf ("Missing closing bracket\n");
						goto beach;
					}
					*end = '\0';
					elem = r_num_math (NULL, bracket+1)+1; // +1 to handle 0 index easily
					for ( ; bracket < end; bracket++)
						*bracket = '\0';
					size += elem*ARRAYINDEX_COEF;
				} else {
					elem = -1;
				}
				idx++;
				if (MUSTSEE) {
					p->printf (namefmt, fieldname);
				}
			}

		feed_me_again:
			switch (isptr) {
			case 1:
				{
				nexti = i + (p->bits/8);
				i = 0;
				if(tmp == '?' )seeki = addr;
				memset (buf, '\0', len);
				if (MUSTSEE)
					p->printf ("(*0x%"PFMT64x") ", addr);
				if (addr == 0) isptr = NULLPTR;
				else isptr = PTRBACK;
				if (/*addr<(b+len) && addr>=b && */p->iob.read_at) { /* The test was here to avoid segfault in the next line,
						but len make it doesnt work... */
					p->iob.read_at (p->iob.io, (ut64)addr, buf, len-4);
					updateAddr (buf, i, endian, &addr, &addr64);
				} else {
					eprintf ("(SEGFAULT: cannot read memory at 0x%08"PFMT64x", Block: %s, blocksize: 0x%x)\n",
							addr, b, len);
					p->printf("\n");
					free (oarg);
					goto beach;
				}
				}
				break;
			case 2:
				// restore state after pointer seek
				i = nexti;
				seeki = seek+i;
				memcpy (buf, b, len);
				isptr = NOPTR;
				arg--;
				continue;
			}
			if (tmp == 0 && last != '*')
				break;

			/* skip chars */
			switch (tmp) {
			case '*': // next char is a pointer
				isptr = PTRSEEK;
				arg++;
				tmp = *arg; //last;
				goto feed_me_again;
			case '+': // toggle view flags
				viewflags = !viewflags;
				continue;
			case 'e': // tmp swap endian
				endian ^= 1;
				continue;
			case ':': // skip 4 bytes
				if (size == -1) i+=4;
				else
					while (size--) i+=4;
				continue;
			case '.': // skip 1 byte
				if (size == -1) i++;
				else
					i+=size;
				continue;
			case 'p': // pointer reference
				tmp = (p->bits == 64)? 'q': 'x';
				break;
			}
			/* flags */
			if (mode & R_PRINT_SEEFLAGS && isptr != NULLPTR) {
				if (tmp == '?') {
					p->printf ("f %s.%s_", fmtname, fieldname);
				} else if (tmp == 'E') {
					p->printf ("f %s=0x%08"PFMT64x"\n", fieldname, seeki);
				} else if (slide/STRUCTFLAG>0 && idx==1) {
					p->printf ("%s=0x%08"PFMT64x"\n", fieldname, seeki);
				} else p->printf ("f %s=0x%08"PFMT64x"\n", fieldname , seeki);
			}
			/* json */
			if (mode & R_PRINT_JSON) {
				if (oldslide<=slide) {
					if (!first)
						p->printf (",");
					else
						first = 0;
				} else if(oldslide!=0) {
					p->printf ("]},");
				}
				p->printf ("{\"name\":\"%s\",\"type\":\"", fieldname);
				if (ISSTRUCT) {
					p->printf ("%s", fmtname);
				} else {
					p->printf ("%c", tmp);
				}
				if (isptr) p->printf ("*");
				p->printf ("\",\"offset\":%d,\"value\":",(isptr)?(seek+nexti-(p->bits/8)):seek+i);
			}

			if (isptr == NULLPTR) {
				if (MUSTSEEJSON)
					p->printf ("\"NULL\"}", tmp, seek+i);
				else if (MUSTSEE)
					p->printf ("NULL\n");
				isptr = PTRBACK;
			} else
			/* format chars */
			switch (tmp) {
			case 't':
				r_print_format_time(p, endian, mode, setval, seeki, buf, i, size);
				i+= (size==-1) ? 4 : 4*size;
				break;
			case 'q':
				r_print_format_quadword(p, endian, mode, setval, seeki, buf, i, size);
				i += (size==-1) ? 8 : 8*size;
				break;
			case 'b':
				r_print_format_byte(p, endian, mode, setval, seeki, buf, i, size);
				i+= (size==-1) ? 1 : size;
				break;
			case 'c':
				r_print_format_char (p, endian, mode,
					setval, seeki, buf, i, size);
				i+= (size==-1) ? 1 : size;
				break;
			case 'X':
				size = r_print_format_hexpairs (p, endian, mode,
					setval, seeki, buf, size);
				i += size;
				break;
			case 'T':
				if(r_print_format_10bytes(p, mode,
					setval, seeki, addr, buf) == 0)
					i += (size==-1) ? 4 : 4*size;
				break;
			case 'f':
				r_print_format_float(p, endian, mode, setval, seeki, buf, i, size);
				i += (size==-1) ? 4 : 4*size;
				break;
			case 'i':
			case 'd':
				r_print_format_hex(p, endian, mode, setval, seeki, buf, i, size);
				i+= (size==-1) ? 4 : 4*size;
				break;
			case 'D':
				if (size>0) p->printf ("Size not yet implemented\n");
				if (p->disasm && p->user)
					i += p->disasm (p->user, seeki);
				break;
			case 'o':
				r_print_format_octal (p, endian, mode, setval, seeki, buf, i, size);
				i+= (size==-1) ? 4 : 4*size;
				break;
			case 'x':
				r_print_format_hexflag(p, endian, mode, setval, seeki, buf, i, size);
				i+= (size==-1) ? 4 : 4*size;
				break;
			case 'w':
				r_print_format_word(p, endian, mode, setval, seeki, buf, i, size);
				i+= (size==-1) ? 2 : 2*size;
				break;
			case 'z': // zero terminated string
				r_print_format_nulltermstring (p, len, endian, mode, setval, seeki, buf, i, size);
				if (size == -1)
					i+=strlen((char*)buf+i)+1;
				else
					while (size--) i++;
				break;
			case 'Z': // zero terminated wide string
				r_print_format_nulltermwidestring (p, len, endian, mode, setval, seeki, buf, i, size);
				if (size == -1)
					i+=r_wstr_clen((char*)(buf+seeki))*2+2;
				else
					while (size--) i+=2;
				break;
			case 's':
				if (r_print_format_string (p, seeki, addr64, addr, 0, mode) == 0)
					i += (size==-1) ? 4 : 4*size;
				break;
			case 'S':
				if (r_print_format_string (p, seeki, addr64, addr, 1, mode) == 0)
					i += (size==-1) ? 8 : 8*size;
				break;
			case 'B': // resolve bitfield
				if (size >= ARRAYINDEX_COEF) size %= ARRAYINDEX_COEF;
				r_print_format_bitfield (p, seeki, fmtname, fieldname, addr, mode, size);
				i+=(size==-1)?1:size;
				break;
			case 'E': // resolve enum
				if (size >= ARRAYINDEX_COEF) size %= ARRAYINDEX_COEF;
				r_print_format_enum (p, seeki, fmtname, fieldname, addr, mode, size);
				i+=(size==-1)?1:size;
				break;
			case '?':
				{
				int s = 0;
				char *nxtfield = NULL;
				if (size >= ARRAYINDEX_COEF) {
					elem = size/ARRAYINDEX_COEF-1;
					size %= ARRAYINDEX_COEF;
				}
				if (!(mode & R_PRINT_ISFIELD)) nxtfield = MINUSONE;
				else if (field) nxtfield = strchr (ofield, '.');
				if (nxtfield != MINUSONE && nxtfield != NULL) nxtfield++;

				if (MUSTSEE)
					p->printf ("\n");
				if (MUSTSEEJSON) {
					if (isptr)
						p->printf ("%d},", seeki);
					else
						p->printf ("[");
				}
				if (mode & R_PRINT_SEEFLAGS) slide+=STRUCTFLAG;
				oldslide = slide;
				slide += (isptr) ? STRUCTPTR : NESTEDSTRUCT;
				if (size == -1) {
					s = r_print_format_struct (p, seeki,
						buf+i, len-i, fmtname, slide,
						mode, setval, nxtfield);
					i+= (isptr) ? 4 : s;
				} else {
					p->printf ("[\n");
					while (size--) {
						if (elem == -1 || elem == 0) {
							mode |= R_PRINT_MUSTSEE;
							if (elem == 0) elem = -2;
						} else {
							mode &= ~R_PRINT_MUSTSEE;
						}
						s = r_print_format_struct (p, seek+i,
							buf+i, len-i, fmtname, slide, mode, setval, nxtfield);
						if (size != 0 && elem == -1)
							p->printf (",\n");
						if (elem > -1) elem--;
						i+= (isptr) ? 4 : s;
					}
					if (MUSTSEEJSON) p->printf ("]]}");
					else p->printf ("]");
				}
				oldslide = slide;
				slide -= (isptr) ? STRUCTPTR : NESTEDSTRUCT;
				if (mode & R_PRINT_SEEFLAGS) {
					oldslide = slide;
					slide-=STRUCTFLAG;
				}
				break;
				}
			default:
				/* ignore unknown chars */
				invalid = 1;
				break;
			}
			if (viewflags && p->offname) {
				const char *s = p->offname (p->user, seeki);
				if (s)
					p->printf ("@(%s)", s);
				s = p->offname (p->user, addr);
				if (s)
					p->printf ("*(%s)", s);
			}
			if (tmp != 'D' && !invalid && fmtname==NULL && MUSTSEE)
				p->printf ("\n");
			last = tmp;
			if (oarg)
				free (oarg);
		}
		if (otimes>1) {
			if (MUSTSEEJSON) p->printf ("]");
			else p->printf ("}\n");
		}
		arg = orig;
		oldslide = 0;
	}
	if (mode & R_PRINT_JSON && slide==0) p->printf("]");
beach:
	free (buf);
	free (field);
	if (args)
		free (args);
	return i;
}
Example #30
0
static int cmd_seek(void *data, const char *input) {
	RCore *core = (RCore *) data;
	char *cmd, *p;
	ut64 off;

	if (!*input) {
		r_cons_printf ("0x%"PFMT64x "\n", core->offset);
		return 0;
	}
	char *ptr;
	if ((ptr = strstr (input, "+.")) != NULL) {
		char *dup = strdup (input);
		dup[ptr - input] = '\x00';
		off = r_num_math (core->num, dup + 1);
		core->offset = off;
		free (dup);
	}
	const char *inputnum = strchr (input, ' ');
	{
		const char *u_num = inputnum? inputnum + 1: input + 1;
		off = r_num_math (core->num, u_num);
		if (*u_num == '-') {
			off = -off;
		}
	}
	int sign = 1;
	if (input[0] == ' ') {
		switch (input[1]) {
		case '-':
			sign = -1;
			/* pass thru */
		case '+':
			input++;
			break;
		}
	}
	bool silent = false;
	if (*input == 's') {
		silent = true;
		input++;
		if (*input == '?') {
			const char *help_message[] = {
				"Usage: ss", "", " # Seek silently (not recorded in the seek history)",
				"s?", "", "Works with all s subcommands",
				NULL
			};
			r_core_cmd_help (core, help_message);
			return 0;
		}
	}

	switch (*input) {
	case 'r':
		if (input[1] && input[2]) {
			seek_to_register (core, input + 2, silent);
		} else {
			eprintf ("|Usage| 'sr PC' seek to program counter register\n");
		}
		break;
	case 'C':
		if (input[1] == '*') {
			r_core_cmd0 (core, "C*~^\"CC");
		} else if (input[1] == ' ') {
			typedef struct {
				ut64 addr;
				char *str;
			} MetaCallback;
			int count = 0;
			MetaCallback cb = {
				0, NULL
			};
			ut64 addr;
			char key[128];
			const char *val, *comma;
			char *list = sdb_get (core->anal->sdb_meta, "meta.C", 0);
			char *str, *next, *cur = list;
			if (list) {
				for (;;) {
					cur = sdb_anext (cur, &next);
					addr = sdb_atoi (cur);
					snprintf (key, sizeof (key) - 1, "meta.C.0x%"PFMT64x, addr);
					val = sdb_const_get (core->anal->sdb_meta, key, 0);
					if (val) {
						comma = strchr (val, ',');
						if (comma) {
							str = (char *) sdb_decode (comma + 1, 0);
							if (strstr (str, input + 2)) {
								r_cons_printf ("0x%08"PFMT64x "  %s\n", addr, str);
								count++;
								cb.addr = addr;
								free (cb.str);
								cb.str = str;
							} else {
								free (str);
							}
						}
					} else {
						eprintf ("sdb_const_get key not found '%s'\n", key);
					}
					if (!next) {
						break;
					}
					cur = next;
				}
			}

			switch (count) {
			case 0:
				eprintf ("No matching comments\n");
				break;
			case 1:
				off = cb.addr;
				if (!silent) {
					r_io_sundo_push (core->io, core->offset, r_print_get_cursor (core->print));
				}
				r_core_seek (core, off, 1);
				r_core_block_read (core);
				break;
			default:
				eprintf ("Too many results\n");
				break;
			}
			free (cb.str);
		} else {
			const char *help_msg[] = {
				"Usage:", "sC", "Comment grep",
				"sC", "*", "List all comments",
				"sC", " str", "Seek to the first comment matching 'str'",
				NULL
			};
			r_core_cmd_help (core, help_msg);
		}
		break;
	case ' ':
		if (!silent) {
			r_io_sundo_push (core->io, core->offset, r_print_get_cursor (core->print));
		}
		r_core_seek (core, off * sign, 1);
		r_core_block_read (core);
		break;
	case '/':
	{
		const char *pfx = r_config_get (core->config, "search.prefix");
		ut64 from = r_config_get_i (core->config, "search.from");
// kwidx cfg var is ignored
		int kwidx = core->search->n_kws; // (int)r_config_get_i (core->config, "search.kwidx")-1;
		if (kwidx < 0) {
			kwidx = 0;
		}
		switch (input[1]) {
		case ' ':
		case 'v':
		case 'V':
		case 'w':
		case 'W':
		case 'z':
		case 'm':
		case 'c':
		case 'A':
		case 'e':
		case 'E':
		case 'i':
		case 'R':
		case 'r':
		case '/':
		case 'x':
			r_config_set_i (core->config, "search.from", core->offset + 1);
			r_config_set_i (core->config, "search.count", 1);
			r_core_cmdf (core, "s+1; %s; s-1; s %s%d_0; f-%s%d_0",
				input, pfx, kwidx, pfx, kwidx, pfx, kwidx);
			r_config_set_i (core->config, "search.from", from);
			r_config_set_i (core->config, "search.count", 0);
			break;
		case '?':
			eprintf ("Usage: s/.. arg.\n");
			r_cons_printf ("/?\n");
			break;
		default:
			eprintf ("unknown search method\n");
			break;
		}
	}
	break;
	case '.':
		for (input++; *input == '.'; input++) {
			;
		}
		r_core_seek_base (core, input);
		break;
	case 'j':  // sj
		{
			RList /*<ut64 *>*/ *addrs = r_list_newf (free);
			RList /*<char *>*/ *names = r_list_newf (free);
			RList *list = r_io_sundo_list (core->io, '!');
			ut64 lsz = 0;
			ut64 i;
			RListIter *iter;
			RIOUndos *undo;
			if (list) {
				r_list_foreach (list, iter, undo) {
					char *name = NULL;

					core->flags->space_strict = true;
					RFlagItem *f = r_flag_get_at (core->flags, undo->off, true);
					core->flags->space_strict = false;
					if (f) {
						if (f->offset != undo->off) {
							name = r_str_newf ("%s + %d\n", f->name,
									(int)(undo->off- f->offset));
						} else {
							name = strdup (f->name);
						}
					}
					if (!name) {
						name = strdup ("");
					}
					ut64 *val = malloc (sizeof (ut64));
					if (!val) {
						free (name);
						break;
					}
					*val = undo->off;
					r_list_append (addrs, val);
					r_list_append (names, strdup (name));
					lsz++;
					free (name);
				}
				r_list_free (list);
			}
			r_cons_printf ("[");
			for (i = 0; i < lsz; ++i) {
				ut64 *addr = r_list_get_n (addrs, i);
				const char *name = r_list_get_n (names, i);
				// XXX(should the "name" field be optional? That might make
				// a bit more sense.
				r_cons_printf ("{\"offset\":%"PFMT64d",\"symbol\":\"%s\"}", *addr, name);
				if (i != lsz - 1) {
					r_cons_printf (",");
				}
			}
			r_cons_printf ("]\n");
			r_list_free (addrs);
			r_list_free (names);
		}
		break;
	case '*':
	case '=':
	case '!':
		{
			RList *list = r_io_sundo_list (core->io, input[0]);
			RListIter *iter;
			RIOUndos *undo;
			if (list) {
				r_list_foreach (list, iter, undo) {
					char *name = NULL;

					core->flags->space_strict = true;
					RFlagItem *f = r_flag_get_at (core->flags, undo->off, true);
					core->flags->space_strict = false;
					if (f) {
						if (f->offset != undo->off) {
							name = r_str_newf ("%s + %d\n", f->name,
									(int)(undo->off- f->offset));
						} else {
							name = strdup (f->name);
						}
					}
					if (!name) {
						name = strdup ("");
					}
					r_cons_printf ("0x%"PFMT64x" %s\n", undo->off, name);
					free (name);
				}
				r_list_free (list);
			}
		}