Beispiel #1
0
R_API int r_core_hack_x86(RCore *core, const char *op, const RAnalOp *analop) {
	const ut8 *b = core->block;
	const int size = analop->size;
	if (!strcmp (op, "nop")) {
		if (size * 2 + 1 < size) return false;
		char *str = malloc (size * 2 + 1);
		if (!str) return false;
		int i;
		for (i = 0; i < size; i++)
			memcpy(str + (i * 2), "90", 2);
		str[size*2] = '\0';
		r_core_cmdf(core, "wx %s\n", str);
		free(str);
	} else if (!strcmp (op, "trap")) {
		r_core_cmd0 (core, "wx cc\n");
	} else if (!strcmp (op, "jz")) {
		if (b[0] == 0x75) {
			r_core_cmd0 (core, "wx 74\n");
		} else {
			eprintf ("Current opcode is not conditional\n");
			return false;
		}
	} else if (!strcmp (op, "jnz")) {
		if (b[0] == 0x74) {
			r_core_cmd0 (core, "wx 75\n");
		} else {
			eprintf ("Current opcode is not conditional\n");
			return false;
		}
	} else if (!strcmp (op, "un-cjmp")) {
		if (b[0] >= 0x70 && b[0] <= 0x7f) {
			r_core_cmd0 (core, "wx eb\n");
		} else {
			eprintf ("Current opcode is not conditional\n");
			return false;
		}
	} else if (!strcmp (op, "swap-cjmp")) {
		if (b[0] < 0x80 && b[0] >= 0x70){ // jo, jno, jb, jae, je, jne, jbe, ja, js, jns
			r_core_cmdf (core, "wx %x\n", (b[0]%2)? b[0] - 1: b[0] + 1);
		} else {
			eprintf ("Invalid opcode\n");
			return false;
		}
	} else if (!strcmp (op, "ret1")) {
		r_core_cmd0 (core, "wx c20100\n");
	} else if (!strcmp (op, "ret0")) {
		r_core_cmd0 (core, "wx c20000\n");
	} else if (!strcmp (op, "retn")) {
		r_core_cmd0 (core, "wx c2ffff\n");
	} else {
		eprintf ("Invalid operation\n");
		return false;
	}
	return true;
}
Beispiel #2
0
R_API int r_core_setup_debugger (RCore *r, const char *debugbackend, bool attach) {
	int pid, *p = NULL;
	bool is_gdb = !strcmp (debugbackend, "gdb");
	RIODesc * fd = r->file ? r_io_desc_get (r->io, r->file->fd) : NULL;
	const char *prompt = NULL;

	p = fd ? fd->data : NULL;
	r_config_set_i (r->config, "cfg.debug", 1);
	if (!p) {
		eprintf ("Invalid debug io\n");
		return false;
	}

	r_config_set (r->config, "io.ff", "true");
	r_core_cmdf (r, "dL %s", debugbackend);
	if (!is_gdb) {
		pid = r_io_desc_get_pid (fd);
		r_core_cmdf (r, "dp=%d", pid);
		if (attach) {
			r_core_cmdf (r, "dpa %d", pid);
		}
	}
	//this makes to attach twice showing warnings in the output
	//we get "resource busy" so it seems isn't an issue
	r_core_cmd (r, ".dr*", 0);
	/* honor dbg.bep */
	{
		const char *bep = r_config_get (r->config, "dbg.bep");
		if (bep) {
			if (!strcmp (bep, "loader")) {
				/* do nothing here */
			} else if (!strcmp (bep, "entry")) {
				r_core_cmd (r, "dcu entry0", 0);
			} else {
				r_core_cmdf (r, "dcu %s", bep);
			}
		}
	}
	r_core_cmd (r, "sr PC", 0);

	/* set the prompt if it's not been set already by the callbacks */
	prompt = r_config_get (r->config, "cmd.prompt");
	if (prompt && !strcmp (prompt, "")) {
		if (r_config_get_i (r->config, "dbg.status")) {
			r_config_set (r->config, "cmd.prompt", ".dr*;drd;sr PC;pi 1;s-");
		} else {
			r_config_set (r->config, "cmd.prompt", ".dr*");
		}
	}
	r_config_set (r->config, "cmd.vprompt", ".dr*");
	return true;
}
Beispiel #3
0
static int readline_callback(void *_a, const char *str) {
	RCoreVisualAsm *a = _a;
	int xlen;
	r_cons_clear00 ();
	r_cons_printf ("Write your favourite %s-%d opcode...\n\n",
		r_config_get (a->core->config, "asm.arch"),
		r_config_get_i (a->core->config, "asm.bits"));
	if (*str == '?') {
		r_cons_printf ("0> ?\n\n"
			"Visual assembler help:\n\n"
			"  assemble input while typing using asm.arch, asm.bits and cfg.bigendian\n"
			"  press enter to quit (prompt if there are bytes to be written)\n"
			"  this assembler supports various directives like .hex ...\n"
			);
	} else {
		r_asm_code_free (a->acode);
		a->acode = r_asm_massemble (a->core->assembler, str);
		r_cons_printf ("%d> %s\n", a->acode? a->acode->len: 0, str);
		if (a->acode && a->acode->len)
			r_cons_printf ("* %s\n\n", a->acode->buf_hex);
		else r_cons_printf ("\n\n");
		if (a->acode) {
			xlen = strlen (a->acode->buf_hex);
			strcpy (a->codebuf, a->blockbuf);
			memcpy (a->codebuf, a->acode->buf_hex, xlen);
		}
		r_core_cmdf (a->core, "pd 7@b:%s @0x%"PFMT64x, a->codebuf, a->off);
	}
	r_cons_flush ();
	return 1;
}
Beispiel #4
0
R_API void r_core_rtr_cmd(RCore *core, const char *input) {
	char bufw[1024], bufr[8];
	const char *cmd = NULL, *cmd_output = NULL;
	int i, cmd_len, fd = atoi (input);

	if (*input==':' && !strchr (input+1, ':')) {
		r_core_cmdf (core, "o rap://%s", input);
		return;
	}
	if (fd != 0) {
		if (rtr_host[rtr_n].fd)
			for (rtr_n = 0; rtr_host[rtr_n].fd->fd != fd
				&& rtr_n < RTR_MAX_HOSTS - 1; rtr_n++);
		if (!(cmd = strchr (input, ' '))) {
			eprintf ("Error\n");
			return;
		}
	} else cmd = input;

	if (!rtr_host[rtr_n].fd){
		eprintf ("Error: Unknown host\n");
		core->num->value = 1; // fail
		return;
	}

	if (!rtr_host[rtr_n].proto == RTR_PROT_RAP){
		eprintf ("Error: Not a rap:// host\n");
		return;
	}

	core->num->value = 0; // that's fine
	if (!strlen (cmd)) {
		// just check if we can connect
		r_socket_close (rtr_host[rtr_n].fd);
		return;
	}
	/* send */
	bufw[0] = RTR_RAP_CMD;
	i = strlen (cmd) + 1;
	r_mem_copyendian ((ut8*)bufw+1, (ut8*)&i, 4, endian);
	memcpy (bufw+5, cmd, i);
	r_socket_write (rtr_host[rtr_n].fd, bufw, 5+i);
	/* read */
	r_socket_read (rtr_host[rtr_n].fd, (ut8*)bufr, 5);
	if (bufr[0] != (char)(RTR_RAP_CMD|RTR_RAP_REPLY)) {
		eprintf ("Error: Wrong reply\n");
		return;
	}
	r_mem_copyendian ((ut8*)&cmd_len, (ut8*)bufr+1, 4, endian);
	cmd_output = malloc (cmd_len);
	if (!cmd_output) {
		eprintf ("Error: Allocating cmd output\n");
		return;
	}
	r_socket_read (rtr_host[rtr_n].fd, (ut8*)cmd_output, cmd_len);
	r_cons_printf ("%s\n", cmd_output);
	free ((void *)cmd_output);
}
Beispiel #5
0
R_API bool r_core_hack_arm64(RCore *core, const char *op, const RAnalOp *analop) {
	if (!strcmp (op, "nop")) {
		r_core_cmdf (core, "wx 1f2003d5");
	} else if (!strcmp (op, "ret")) {
		r_core_cmdf (core, "wx c0035fd6t");
	} else if (!strcmp (op, "trap")) {
		r_core_cmdf (core, "wx 000020d4");
	} else if (!strcmp (op, "jz")) {
		eprintf ("ARM jz hack not supported\n");
		return false;
	} else if (!strcmp (op, "jinf")) {
		r_core_cmdf (core, "wx 00000014");
	} else if (!strcmp (op, "jnz")) {
		eprintf ("ARM jnz hack not supported\n");
		return false;
	} else if (!strcmp (op, "nocj")) {
		eprintf ("ARM jnz hack not supported\n");
		return false;
	} else if (!strcmp (op, "recj")) {
		eprintf ("TODO: use jnz or jz\n");
		return false;
	} else if (!strcmp (op, "ret1")) {
		r_core_cmdf (core, "wa mov x0, 1,,ret");
	} else if (!strcmp (op, "ret0")) {
		r_core_cmdf (core, "wa mov x0, 0,,ret");
	} else if (!strcmp (op, "retn")) {
		r_core_cmdf (core, "wa mov x0, -1,,ret");
	} else {
		eprintf ("Invalid operation '%s'\n", op);
		return false;
	}
	return true;
}
Beispiel #6
0
R_API int r_core_patch_line (RCore *core, char *str) {
	char *p, *q;
	p = strchr (str + 1, ' ');
	if (!p) {
		return 0;
	}
	*p = 0;
	for (++p; *p == ' '; p++); // XXX: skipsspaces here

	switch (*p) {
	case '"':
		  q = strchr (p + 1,'"');
		  if (q) *q = 0;
		  r_core_cmdf (core, "s %s", str);
		  r_core_cmdf (core, "\"w %s\"", p+1);
		  break;
	case ':':
		  r_core_cmdf (core, "s %s", str);
		  r_core_cmdf (core, "wa %s", p);
		  break;
	default:
		  r_core_cmdf (core, "s %s", str);
		  r_core_cmdf (core, "wx %s", p);
		  break;
	}
	return 1;
}
Beispiel #7
0
R_API void r_core_visual_asm(RCore *core) {
	RCoreVisualAsm cva = {0};
	cva.core = core;

	r_io_read_at (core->io, core->offset, cva.buf, sizeof (cva.buf));
	cva.blocklen = r_hex_bin2str (cva.buf, sizeof (cva.buf), cva.blockbuf);

	r_line_readline_cb (readline_callback, &cva);

	if (cva.acode && cva.acode->len>0)
		if (r_cons_yesno ('y', "Save changes? (Y/n)"))
			r_core_cmdf (core, "wx %s", cva.acode->buf_hex);
	r_asm_code_free (cva.acode);
}
Beispiel #8
0
static int linklist_readable (void *p, const char *k, const char *v) {
	RCore *core = (RCore *)p;
	if (!strncmp (k, "link.", strlen ("link."))) {
		char *fmt = r_anal_type_format (core->anal, v);
		if (!fmt) {
			eprintf("Cant fint type %s", v);
			return 1;
		}
		r_cons_printf ("(%s)\n", v);
		r_core_cmdf (core, "pf %s @ 0x%s\n", fmt, k + strlen ("link."));
	}
	return 1;

}
Beispiel #9
0
static void save_parsed_type(RCore *core, const char *parsed) {
	if (!core || !core->anal || !parsed) {
		return;
	}
	// First, if this exists, let's remove it.
	char *type = strdup (parsed);
	if (type) {
		char *name = strtok (type, "=");
		if (!name || strchr (name, '\n') || strchr (name, ';')) {
			/* do nothing */
		} else {
			r_core_cmdf (core, "\"t- %s\"", name);
			// Now add the type to sdb.
			sdb_query_lines (core->anal->sdb_types, parsed);
		}
		free (type);
	}
}
Beispiel #10
0
static void nextpal(RCore *core, int mode) {
	RList *files;
	RListIter *iter;
	const char *fn;
	char *home = r_str_home (".config/radare2/cons/");

	getNext = false;
	if (home) {
		files = r_sys_dir (home);
		r_list_foreach (files, iter, fn) {
			if (*fn && *fn != '.') {
				if (!nextpal_item (core, mode, fn)) {
					r_list_free (files);
					R_FREE (home);
					goto done;
				}
			}
		}
		r_list_free (files);
		R_FREE (home);
	}
	files = r_sys_dir (R2_DATDIR"/radare2/"R2_VERSION"/cons/");
	r_list_foreach (files, iter, fn) {
		if (*fn && *fn != '.') {
			if (!nextpal_item (core, mode, fn))
				goto done;
		}
	}
done:
	if (getNext) {
		R_FREE (curtheme);
		nextpal (core, mode);
		return;
	}
	if (mode == 'l' && !curtheme && !r_list_empty (files)) {
		nextpal (core, mode);
		// beware infinite loop here
		return;
	}
	r_list_free (files);
	if (curtheme) {
		r_core_cmdf (core, "eco %s", curtheme);
	}
}
Beispiel #11
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 'u': // "tu"
		switch (input[1]) {
		case '?': {
			const char *help_message[] = {
				"USAGE tu[...]", "", "",
				"tu", "", "List all loaded unions",
				"tu?", "", "show this help",
				NULL };
			r_core_cmd_help (core, help_message);
		} break;
		case 0:
			sdb_foreach (core->anal->sdb_types, stdprintifunion, core);
			break;
		}
		break;
	case 'k': // "tk"
		if (input[1] == ' ') {
			sdb_query (core->anal->sdb_types, input + 2);
		} else sdb_query (core->anal->sdb_types, "*");
		fflush (stdout);
		break;
	case 's': // "ts"
		switch (input[1]) {
		case '?': {
			const char *help_message[] = {
				"USAGE ts[...]", "", "",
				"ts", "", "List all loaded structs",
				"ts?", "", "show this help",
				NULL };
			r_core_cmd_help (core, help_message);
		} break;
		case 0:
			sdb_foreach (core->anal->sdb_types, stdprintifstruct, core);
			break;
		}
		break;
	case 'b': {
		char *p, *s = (strlen (input) > 1)? strdup (input + 2): NULL;
		const char *isenum;
		p = s? strchr (s, ' '): NULL;
		if (p) {
			*p++ = 0;
			// dupp in core.c (see getbitfield())
			isenum = sdb_const_get (core->anal->sdb_types, s, 0);
			if (isenum && !strcmp (isenum, "enum")) {
				*--p = '.';
				const char *res = sdb_const_get (core->anal->sdb_types, s, 0);
				if (res)
					r_cons_println (res);
				else eprintf ("Invalid enum member\n");
			} else {
				eprintf ("This is not an enum\n");
			}
		} else {
			eprintf ("Missing value\n");
		}
		free (s);
	} break;
	case 'e': {
		if (!input[1]) {
			char *name = NULL;
			SdbKv *kv;
			SdbListIter *iter;
			SdbList *l = sdb_foreach_list (core->anal->sdb_types);
			ls_foreach (l, iter, kv) {
				if (!strcmp (kv->value, "enum")) {
					if (!name || strcmp (kv->value, name)) {
						free (name);
						name = strdup (kv->key);
						r_cons_println (name);
					}
				}
			}
			free (name);
			ls_free (l);
			break;
		}
		if (input[1] == '?') {
			const char *help_message[] = {
				"USAGE te[...]", "", "",
				"te", "", "List all loaded enums",
				"te", " <enum> <value>", "Show name for given enum number",
				"te?", "", "show this help",
				NULL };
			r_core_cmd_help (core, help_message);
			break;
		}
		char *p, *s = strdup (input + 2);
		const char *isenum;
		p = strchr (s, ' ');
		if (p) {
			*p++ = 0;
			isenum = sdb_const_get (core->anal->sdb_types, s, 0);
			if (isenum && !strncmp (isenum, "enum", 4)) {
				const char *q = sdb_fmt (0, "%s.0x%x", s, (ut32)r_num_math (core->num, p));
				const char *res = sdb_const_get (core->anal->sdb_types, q, 0);
				if (res)
					r_cons_println (res);
			} else {
				eprintf ("This is not an enum\n");
			}
		} else {
			//eprintf ("Missing value\n");
			r_core_cmdf (core, "t~&%s,=0x", s);
		}
		free (s);
	} break;
	case ' ': {
		const char *isenum = sdb_const_get (core->anal->sdb_types, input + 1, 0);
		if (isenum && !strcmp (isenum, "enum")) {
			eprintf ("IS ENUM! \n");
		} else {
			char *fmt = r_anal_type_format (core->anal, input + 1);
			if (fmt) {
				r_str_chop (fmt);
				r_cons_printf ("pf %s\n", fmt);
				free (fmt);
			} else eprintf ("Cannot find '%s' type\n", input + 1);
		}
	} break;
	// t* - list all types in 'pf' syntax
	case '*':
		sdb_foreach (core->anal->sdb_types, typelist, core);
		break;
	case 0:
		sdb_foreach (core->anal->sdb_types, sdbforcb, core);
		break;
	case 'o':
		if (!r_sandbox_enable (0)) {
			if (input[1] == ' ') {
				const char *filename = input + 2;
				char *homefile = NULL;
				if (*filename == '~') {
					if (filename[1] && filename[2]) {
						homefile = r_str_home (filename + 2);
						filename = homefile;
					}
				}
				if (!strcmp (filename, "-")) {
					char *out, *tmp;
					tmp = r_core_editor (core, NULL, "");
					if (tmp) {
						out = r_parse_c_string (tmp);
						if (out) {
							//		r_cons_strcat (out);
							save_parsed_type (core, out);
							free (out);
						}
						free (tmp);
					}
				} else {
					char *out = r_parse_c_file (filename);
					if (out) {
						//r_cons_strcat (out);
						save_parsed_type (core, out);
						free (out);
					}
					//r_anal_type_loadfile (core->anal, filename);
				}
				free (homefile);
			} else if (input[1] == 's') {
				const char *dbpath = input + 3;
				if (r_file_exists (dbpath)) {
					Sdb *db_tmp = sdb_new (0, dbpath, 0);
					sdb_merge (core->anal->sdb_types, db_tmp);
					sdb_close (db_tmp);
					sdb_free (db_tmp);
				}
			}
		} else {
			eprintf ("Sandbox: system call disabled\n");
		}
		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);
			r_cons_printf ("Note: The td command should be put between double quotes\n"
				"Example: \" td struct foo {int bar;int cow};\""
				"\nt");

		} else if (input[1] == ' ') {
			char tmp[8192];
			snprintf (tmp, sizeof (tmp) - 1, "%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);
				save_parsed_type (core, out);
				free (out);
			}
		} else {
			eprintf ("Invalid use of td. See td? for help\n");
		}
		break;
	// tl - link a type to an address
	case 'l':
		switch (input[1]) {
		case '?': {
			const char *help_message[] = {
				"Usage:", "", "",
				"tl", "", "list all links in readable format",
				"tl", "[typename]", "link a type to current adress.",
				"tl", "[typename] = [address]", "link type to given address.",
				"tls", "[address]", "show link at given address",
				"tl-*", "", "delete all links.",
				"tl-", "[address]", "delete link at given address.",
				"tl*", "", "list all links in radare2 command format",
				"tl?", "", "print this help.",
				NULL };
			r_core_cmd_help (core, help_message);
			} break;
		case ' ': {
			char *type = strdup (input + 2);
			char *ptr = strchr (type, '=');
			ut64 addr;

			if (ptr) {
				*ptr++ = 0;
				r_str_chop (ptr);
				if (ptr && *ptr) {
					addr = r_num_math (core->num, ptr);
				} else {
					eprintf ("address is unvalid\n");
					free (type);
					break;
				}
			} else {
				addr = core->offset;
			}
			r_str_chop (type);
			char *tmp = sdb_get (core->anal->sdb_types, type, 0);
			if (tmp && *tmp) {
				r_anal_type_link (core->anal, type, addr);
				free (tmp);
			} else {
				eprintf ("unknown type %s\n", type);
			}
			free (type);
			}
			break;
		case 's': {
			int ptr;
			char *addr = strdup (input + 2);
			SdbKv *kv;
			SdbListIter *sdb_iter;
			SdbList *sdb_list = sdb_foreach_list (core->anal->sdb_types);
			r_str_chop (addr);
			ptr = r_num_math (NULL, addr);
			//r_core_cmdf (core, "tl~0x%08"PFMT64x" = ", addr);
			ls_foreach (sdb_list, sdb_iter, kv) {
				char *linkptr;
				if (strncmp (kv->key, "link.", strlen ("link."))) {
					continue;
				}
				linkptr = sdb_fmt (-1,"0x%s", kv->key + strlen ("link."));
				if (ptr == r_num_math (NULL, linkptr)) {
					linklist_readable (core, kv->key, kv->value);
				}
			}
			free (addr);
			ls_free (sdb_list);
			}
			break;
		case '-':
			switch (input[2]) {
			case '*':
				sdb_foreach (core->anal->sdb_types, sdbdeletelink, core);
				break;
			case ' ': {
				const char *ptr = input + 3;
				ut64 addr = r_num_math (core->num, ptr);
				r_anal_type_unlink (core->anal, addr);
				}
				break;
			}
			break;
		case '*':
			sdb_foreach (core->anal->sdb_types, linklist, core);
			break;
		case '\0':
			sdb_foreach (core->anal->sdb_types, linklist_readable, core);
			break;
		}
Beispiel #12
0
static int cmd_meta_comment(RCore *core, const char *input) {
	ut64 addr = core->offset;
	switch (input[1]) {
	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;
		while (*newcomment==' ') newcomment++;
		char *comment = r_meta_get_string (
				core->anal, R_META_TYPE_COMMENT, addr);
		if (comment) {
			text = malloc (strlen (comment)+strlen (newcomment)+2);
			strcpy (text, comment);
			strcat (text, "\n");
			strcat (text, newcomment);
			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, newcomment);
		}
		}
		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':
		//
		{
		const char* newcomment = input+2;
		while (*newcomment==' ') 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);
		}
		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;
}
Beispiel #13
0
static int cmd_meta_hsdmf(RCore *core, const char *input) {
	int n, type = input[0];
	char *t = 0, *p, name[256];
	int repeat = 1;
	ut64 addr_end = 0LL, addr = core->offset;

	switch (input[1]) {
	case '?':
		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);
			/* fallthrough */
		default:
			core->num->value = r_meta_del (core->anal,
					input[0], addr, 1, NULL);
			break;
		}
		break;
	case '*':
		r_meta_list (core->anal, input[0], 1);
		break;
	case '!':
		{
			char *out, *comment = r_meta_get_string (
					core->anal, R_META_TYPE_COMMENT, addr);
			out = r_core_editor (core, NULL, comment);
			if (out) {
				//r_meta_add (core->anal->meta, R_META_TYPE_COMMENT, addr, 0, out);
				r_core_cmdf (core, "CC-@0x%08"PFMT64x, addr);
				//r_meta_del (core->anal->meta, input[0], addr, addr+1, NULL);
				r_meta_set_string (core->anal, R_META_TYPE_COMMENT, addr, out);
				free (out);
			}
			free (comment);
		}
		break;
	case ' ':
	case '\0':
		if (type!='z' && input[1] == '*') {
			r_meta_list (core->anal, type, 0);
			break;
		}
		if (type == 'z') {
			type = 's';
		}
		if (strlen (input) > 2) {
			char *rep = strchr (input + 2, '[');
			if (!rep) rep = strchr (input + 2, ' ');
			if (rep) {
				repeat = r_num_get (core->num, rep + 1);
			}
		}
		int repcnt = 0;
		if (repeat < 1) repeat = 1;
		while (repcnt < repeat) {
			t = strdup (r_str_chop_ro (input + 1));
			p = NULL;
			n = 0;
			strncpy (name, t, sizeof (name) - 1);
			if (type != 'C') {
				n = r_num_math (core->num, t);
				if (type == 'f') {
					p = strchr (t, ' ');
					if (p) {
						n = r_print_format (core->print, addr, core->block,
							core->blocksize, p + 1, 0, NULL, NULL);
					}
				}
				if (type == 's') {
					strncpy (name, t, sizeof (name) - 1);
					(void)r_core_read_at (core, addr, (ut8*)name, sizeof (name) - 1);
					name[sizeof (name) - 1] = '\0';
					int name_len = strlen (name);
					if (n == 0) {
						n = name_len + 1;
					} else {
						if (n > 0 && n < name_len) {
							name[n] = 0;
						}
					}
				}
				if (!*t || n > 0) {
					RFlagItem *fi;
					p = strchr (t, ' ');
					if (p) {
						*p = '\0';
						strncpy (name, p + 1, sizeof (name)-1);
					} else {
						if (type != 's') {
							fi = r_flag_get_i (core->flags, addr);
							if (fi) strncpy (name, fi->name, sizeof (name)-1);
						}
					}
				} else if (n < 1) {
					eprintf ("Invalid length %d\n", n);
					return false;
				}
			}
			if (!n) n++;
			addr_end = addr + n;
			r_meta_add (core->anal, type, addr, addr_end, name);
			free (t);
			repcnt ++;
			addr = addr_end;
		}
		//r_meta_cleanup (core->anal->meta, 0LL, UT64_MAX);
		break;
	default:
		eprintf ("Missing space after CC\n");
		break;
	}

	return true;
}
Beispiel #14
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;
}
Beispiel #15
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);
			}
		}
Beispiel #16
0
static void diff_graph(RCore *c, RCore *c2, const char *arg) {
	r_core_cmdf (c, "agd %s", arg);
}
Beispiel #17
0
static int bin_info(RCore *r, int mode) {
	int i, j;
	char str[R_FLAG_NAME_SIZE];
	char size_str[32];
	char baddr_str[32];
	RBinInfo *info = r_bin_get_info (r->bin);
	RBinFile *binfile = r_core_bin_cur (r);
	const char *compiled = NULL;

	if (!binfile || !info) {
		if (mode & R_CORE_BIN_JSON) r_cons_printf ("{}");
		return false;
	}

	compiled = get_compile_time (binfile->sdb);
	snprintf (size_str, sizeof (size_str),
		"%"PFMT64d,  r_bin_get_size (r->bin));
	snprintf (baddr_str, sizeof (baddr_str),
		"%"PFMT64d,  info->baddr);

	if (IS_MODE_SET (mode)) {
		r_config_set (r->config, "file.type", info->rclass);
		r_config_set (r->config, "cfg.bigendian", info->big_endian ? "true" : "false");
		if (info->rclass && !strcmp (info->rclass, "fs")) {
			r_config_set (r->config, "asm.arch", info->arch);
			r_core_cmdf (r, "m /root %s 0", info->arch);
		} else {
			if (info->lang) {
				r_config_set (r->config, "bin.lang", info->lang);
			}
			r_config_set (r->config, "asm.os", info->os);
			r_config_set (r->config, "asm.arch", info->arch);
			r_config_set (r->config, "anal.arch", info->arch);
			snprintf (str, R_FLAG_NAME_SIZE, "%i", info->bits);
			r_config_set (r->config, "asm.bits", str);
			r_config_set (r->config, "asm.dwarf",
				(R_BIN_DBG_STRIPPED &info->dbg_info) ? "false" : "true");
		}
	} else if (IS_MODE_SIMPLE (mode)) {
		r_cons_printf ("arch %s\n", info->arch);
		r_cons_printf ("bits %d\n", info->bits);
		r_cons_printf ("os %s\n", info->os);
		r_cons_printf ("endian %s\n", info->big_endian? "big": "little");
	} else if (IS_MODE_RAD (mode)) {
		if (info->type && !strcmp (info->type, "fs")) {
			r_cons_printf ("e file.type=fs\n");
			r_cons_printf ("m /root %s 0\n", info->arch);
		} else {
			r_cons_printf ("e cfg.bigendian=%s\n"
				"e asm.bits=%i\n"
				"e asm.dwarf=%s\n",
				r_str_bool (info->big_endian),
				info->bits,
				r_str_bool (R_BIN_DBG_STRIPPED &info->dbg_info));
			if (info->lang && *info->lang) {
				r_cons_printf ("e bin.lang=%s\n", info->lang);
			}
			if (info->rclass && *info->rclass) {
				r_cons_printf ("e file.type=%s\n",
					info->rclass);
			}
			if (info->os) {
				r_cons_printf ("e asm.os=%s\n", info->os);
			}
			if (info->arch) {
				r_cons_printf ("e asm.arch=%s\n", info->arch);
			}
		}
	} else {
		// XXX: if type is 'fs' show something different?
		if (IS_MODE_JSON (mode)) r_cons_printf ("{");
		pair_bool ("pic", info->has_pi, mode, false);
		pair_bool ("canary", info->has_canary, mode, false);
		pair_bool ("nx", info->has_nx, mode, false);
		pair_bool ("crypto", info->has_crypto, mode, false);
		pair_bool ("va", info->has_va, mode, false);
		pair_str ("bintype", info->rclass, mode, false);
		pair_str ("class", info->bclass, mode, false);
		pair_str ("lang", info->lang, mode, false);
		pair_str ("arch", info->arch, mode, false);
		pair_int ("bits", info->bits, mode, false);
		pair_str ("machine", info->machine, mode, false);
		pair_str ("os", info->os, mode, false);
		pair_str ("subsys", info->subsystem, mode, false);
		pair_str ("endian", info->big_endian ? "big" : "little", mode, false);
		pair_bool ("stripped", R_BIN_DBG_STRIPPED & info->dbg_info, mode, false);
		pair_bool ("static", r_bin_is_static (r->bin), mode, false);
		pair_bool ("linenum", R_BIN_DBG_LINENUMS & info->dbg_info, mode, false);
		pair_bool ("lsyms", R_BIN_DBG_SYMS & info->dbg_info, mode, false);
		pair_bool ("relocs", R_BIN_DBG_RELOCS & info->dbg_info, mode, false);
		pair_str ("rpath", info->rpath, mode, false);
		pair_str ("binsz", size_str, mode, false);
		pair_str ("compiled", compiled, mode, false);
		pair_str ("guid", info->guid, mode, false);
		pair_str ("dbg_file", info->debug_file_name, mode, true);

		for (i = 0; info->sum[i].type; i++) {
			int len;

			RBinHash *h = &info->sum[i];
			ut64 hash = r_hash_name_to_bits (h->type);
			RHash *rh = r_hash_new (true, hash);
			len = r_hash_calculate (rh, hash, (const ut8*)
					binfile->buf->buf+h->from, h->to);
			if (len < 1) eprintf ("Invaild wtf\n");
			r_hash_free (rh);

			r_cons_printf ("%s\t%d-%dc\t", h->type, h->from, h->to+h->from);
			for (j = 0; j < h->len; j++) {
				r_cons_printf ("%02x", h->buf[j]);
			}
			r_cons_newline ();
		}
		if (IS_MODE_JSON (mode)) r_cons_printf ("}");
	}
	return true;
}
Beispiel #18
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 friendly form",
			"CC*", "", "list all comments in r2 commands",
			"CC.", "", "show comment at current offset",
			"CC,", " [file]", "show or set comment file",
			"CC", " [text]", "append comment at current address",
			"CCf", "", "list comments in function",
			"CC+", " [text]", "append comment at current address",
			"CC!", "", "edit comment using cfg.editor (vim, ..)",
			"CC-", " @ cmt_addr", "remove comment at given address",
			"CCu", " good boy @ addr", "add good boy comment at given address",
			"CCu", " base64:AA== @ addr", "add comment in base64",
			NULL};
		r_core_cmd_help (core, help_msg);
		} break;
	case ',': // "CC,"
		if (input[2]=='?') {
			eprintf ("Usage: CC, [file]\n");
		} else if (input[2]==' ') {
			const char *fn = input+2;
			char *comment = r_meta_get_string (core->anal, R_META_TYPE_COMMENT, addr);
			while (*fn== ' ')fn++;
			if (comment && *comment) {
				// append filename in current comment
				char *nc = r_str_newf ("%s ,(%s)", comment, fn);
				r_meta_set_string (core->anal, R_META_TYPE_COMMENT, addr, nc);
				free (nc);
			} else {
				char *comment = r_str_newf (",(%s)", fn);
				r_meta_set_string (core->anal, R_META_TYPE_COMMENT, addr, comment);
				free (comment);
			}
		} else {
			char *comment = r_meta_get_string (core->anal, R_META_TYPE_COMMENT, addr);
			if (comment && *comment) {
				char *cmtfile = r_str_between (comment, ",(", ")");
				if (cmtfile && *cmtfile) {
					char *getcommapath(RCore *core);
					char *cwd = getcommapath (core);
					r_cons_printf ("%s"R_SYS_DIR"%s\n", cwd, cmtfile);
					free (cwd);
				}
				free (cmtfile);
			}
			free (comment);
		}
		break;
	case '.':
		  {
			  char *comment = r_meta_get_string (
					  core->anal, R_META_TYPE_COMMENT, addr);
			  if (comment) {
				  r_cons_println (comment);
				  free (comment);
			  }
		  }
		break;
	case 0: // "CC"
		r_meta_list (core->anal, R_META_TYPE_COMMENT, 0);
		break;
	case 'f': // "CCf"
		r_meta_list_at (core->anal, R_META_TYPE_COMMENT, 'f', core->offset);
		break;
	case 'j': // "CCj"
		r_meta_list (core->anal, R_META_TYPE_COMMENT, 'j');
		break;
	case '!':
		{
			char *out, *comment = r_meta_get_string (
					core->anal, R_META_TYPE_COMMENT, addr);
			out = r_core_editor (core, NULL, comment);
			if (out) {
				//r_meta_add (core->anal->meta, R_META_TYPE_COMMENT, addr, 0, out);
				r_core_cmdf (core, "CC-@0x%08"PFMT64x, addr);
				//r_meta_del (core->anal->meta, input[0], addr, addr+1, NULL);
				r_meta_set_string (core->anal,
						R_META_TYPE_COMMENT, addr, out);
				free (out);
			}
			free (comment);
		}
		break;
	case '+':
	case ' ':
		{
		const char* newcomment = r_str_chop_ro (input + 2);
		char *text, *comment = r_meta_get_string (core->anal, R_META_TYPE_COMMENT, addr);
		char *nc = strdup (newcomment);
		r_str_unescape (nc);
		if (comment) {
			text = malloc (strlen (comment)+strlen (newcomment)+2);
			if (text) {
				strcpy (text, comment);
				strcat (text, "\n");
				strcat (text, nc);
				r_meta_set_string (core->anal, R_META_TYPE_COMMENT, addr, text);
				free (text);
			} else {
				r_sys_perror ("malloc");
			}
		} else {
			r_meta_set_string (core->anal, R_META_TYPE_COMMENT, addr, nc);
		}
		free (nc);
		}
		break;
	case '*':
		r_meta_list (core->anal, R_META_TYPE_COMMENT, 1);
		break;
	case '-': // "CC-"
		r_meta_del (core->anal, R_META_TYPE_COMMENT, core->offset, 1, NULL);
		break;
	case 'u':
		//
		{
		char *newcomment;
		const char *arg = input + 2;
		while (*arg && *arg == ' ') arg++;
		if (!strncmp (arg, "base64:", 7)) {
			char *s = (char *)sdb_decode (arg+7, NULL);
			if (s) {
				newcomment = s;
			} else {
				newcomment = NULL;
			}
		} else {
			newcomment = strdup (arg);
		}
		if (newcomment) {
			char *comment = r_meta_get_string (
					core->anal, R_META_TYPE_COMMENT, addr);
			if (!comment || (comment && !strstr (comment, newcomment))) {
				r_meta_set_string (core->anal, R_META_TYPE_COMMENT,
						addr, newcomment);
			}
			free (comment);
			free (newcomment);
		}
		}
		break;
	case 'a':
		{
		char *s, *p;
		s = strchr (input, ' ');
		if (s) {
			s = strdup (s + 1);
		} else {
			eprintf ("Usage\n");
			return false;
		}
		p = strchr (s, ' ');
		if (p) {
			*p++ = 0;
		}
		ut64 addr;
		if (input[2]=='-') {
			if (input[3]) {
				addr = r_num_math (core->num, input+3);
				r_meta_del (core->anal,
						R_META_TYPE_COMMENT,
						addr, 1, NULL);
			} else eprintf ("Usage: CCa-[address]\n");
			free (s);
			return true;
		}
		addr = r_num_math (core->num, s);
		// Comment at
		if (p) {
			if (input[2]=='+') {
				char *comment = r_meta_get_string (
						core->anal, R_META_TYPE_COMMENT,
						addr);
				if (comment) {
					char* text = r_str_newf ("%s\n%s", comment, p);
					r_meta_add (core->anal,
							R_META_TYPE_COMMENT,
							addr, addr+1, text);
					free (text);
				} else {
					r_meta_add (core->anal,
							R_META_TYPE_COMMENT,
							addr, addr+1, p);
				}
			} else {
				r_meta_add (core->anal,
						R_META_TYPE_COMMENT,
						addr, addr + 1, p);
			}
		} else {
			eprintf ("Usage: CCa [address] [comment]\n");
		}
		free (s);
		return true;
		}
	}

	return true;
}
Beispiel #19
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 'k':
		if (input[1]==' ') {
			sdb_query (core->anal->sdb_types, input+2);
		} else sdb_query (core->anal->sdb_types, "*");
		break;
	case 's':
	{
		char *q, *p, *o, *e;
		p = o = strdup (input+1);
		for (;;) {
			if (*p == '\0'){
				eprintf ("Usage: ts <k>=<v> Set fields at curseek linked type\n");	
				break;
			}
			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 'b':
		{
		int i;
		char *p, *s = (strlen (input) > 1) ? strdup (input+2): NULL;
		const char *isenum;
		p = s ? strchr (s, ' ') : NULL;
		if (p) {
			*p++ = 0;
// dupp in core.c (see getbitfield())
#if 1
			isenum = sdb_const_get (core->anal->sdb_types, s, 0);
			if (isenum && !strcmp (isenum, "enum")) {
				int empty = 1;
				ut32 num = (ut32)r_num_math (core->num, p);
				r_cons_printf ("0x%08"PFMT64x" : ", num);
				for (i=0; i< 32; i++) {
					if (num & (1<<i)) {
						const char *q = sdb_fmt (0, "%s.0x%x", s, (1<<i));
						const char *res = sdb_const_get (core->anal->sdb_types, q, 0);
						if (!empty)
							r_cons_printf (" | ");
						if (res) r_cons_printf ("%s", res);
						else r_cons_printf ("0x%x", (1<<i));
						empty = 0;
					}
				}
			} else {
				eprintf ("This is not an enum\n");
			}
#endif
		} else {
			eprintf ("Missing value\n");
		}
		free (s);
		}
		break;
	case 'e':
		{
		if (!input[1]) {
			eprintf ("Missing value\n");
			break;
		}
		char *p, *s = strdup (input+2);
		const char *isenum;
		p = strchr (s, ' ');
		if (p) {
			*p++ = 0;
			isenum = sdb_const_get (core->anal->sdb_types, s, 0);
			if (isenum && !strcmp (isenum, "enum")) {
				const char *q = sdb_fmt (0, "%s.0x%x", s, (ut32)r_num_math (core->num, p));
				const char *res = sdb_const_get (core->anal->sdb_types, q, 0);
				if (res)
					r_cons_printf ("%s\n", res);
			} else {
				eprintf ("This is not an enum\n");
			}
		} else {
			eprintf ("Missing value\n");
		}
		free (s);
		}
		break;
	case ' ':
	{
		const char *isenum = sdb_const_get (core->anal->sdb_types, input+2, 0);
		if (isenum && !strcmp (isenum, "enum")) {
			eprintf ("IS ENUM! \n");
		} else {
			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:
		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, NULL, "");
				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[8192];
			snprintf (tmp, sizeof (tmp)-1, "%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.%08"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");
			} //else eprintf ("Cant find type at 0x%llx\n", addr);
		 }
		break;
	case '?':
		show_help (core);
		break;
	}
	return true;
}
Beispiel #20
0
static int cmd_seek(void *data, const char *input) {
	RCore *core = (RCore *)data;
	char *cmd, *p;
	ut64 off;

	if (*input == 'r') {
		if (input[1] && input[2]) {
			if (core->io->debug) {
				off = r_debug_reg_get (core->dbg, input + 2);
				r_io_sundo_push (core->io, core->offset, r_print_get_cursor (core->print));
				r_core_seek (core, off, 1);
			} else {
				RReg *orig = core->dbg->reg;
				core->dbg->reg = core->anal->reg;
				off = r_debug_reg_get (core->dbg, input + 2);
				core->dbg->reg = orig;
				r_core_seek (core, off, 1);
			}
		} else eprintf ("|Usage| 'sr PC' seek to program counter register\n");
	}
	if (*input) {
		char* ptr;
		if ((ptr = strstr(input, "+.")) != NULL) {
			char* dup = strdup(input);
			dup[ptr - input] = '\x00';
			off = r_num_math (core->num, dup + 1);
			core->offset = off;
			free (dup);
		}
		const char *inputnum = strchr (input, ' ');
		int sign = 1;
		{
			const char *u_num = inputnum? inputnum + 1: input + 1;
			off = r_num_math (core->num, u_num);
			if (*u_num == '-') off = -off;
		}
#if 0
		if (input[0]!='/' && inputnum && isalpha (inputnum[0]) && off == 0) {
			if (!r_flag_get (core->flags, inputnum)) {
				eprintf ("Cannot find address for '%s'\n", inputnum);
				return false;
			}
		}
#endif
		if (input[0]==' ') {
			switch (input[1]) {
			case '-': sign=-1;
			case '+': input++; break;
			}
		}

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

				switch (count) {
				case 0:
					eprintf ("No matching comments\n");
					break;
				case 1:
					off = cb.addr;
					r_io_sundo_push (core->io, core->offset, r_print_get_cursor (core->print));
					r_core_seek (core, off, 1);
					r_core_block_read (core);
					break;
				default:
					eprintf ("Too many results\n");
					break;
				}
				free (cb.str);
			} else {
				const char *help_msg[] = {
					"Usage:", "sC", "Comment grep",
					"sC", "*", "List all comments",
					"sC", " str", "Seek to the first comment matching 'str'",
					NULL };
				r_core_cmd_help (core, help_msg);
			}
			break;
		case ' ':
			r_io_sundo_push (core->io, core->offset, r_print_get_cursor (core->print));
			r_core_seek (core, off * sign, 1);
			r_core_block_read (core);
			break;
		case '/':
			{
			const char *pfx = r_config_get (core->config, "search.prefix");
			ut64 from = r_config_get_i (core->config, "search.from");
//kwidx cfg var is ignored
			int kwidx = core->search->n_kws; //(int)r_config_get_i (core->config, "search.kwidx")-1;
			if (kwidx<0) kwidx = 0;
			switch (input[1]) {
			case ' ':
			case 'v':
			case 'V':
			case 'w':
			case 'W':
			case 'z':
			case 'm':
			case 'c':
			case 'A':
			case 'e':
			case 'E':
			case 'i':
			case 'R':
			case 'r':
			case '/':
			case 'x':
				r_config_set_i (core->config, "search.from", core->offset+1);
				r_config_set_i (core->config, "search.count", 1);
				r_core_cmdf (core, "s+1; %s; s-1; s %s%d_0; f-%s%d_0",
					input, pfx, kwidx, pfx, kwidx, pfx, kwidx);
				r_config_set_i (core->config, "search.from", from);
				r_config_set_i (core->config, "search.count", 0);
				break;
			case '?':
				eprintf ("Usage: s/.. arg.\n");
				r_cons_printf ("/?\n");
				break;
			default:
				eprintf ("unknown search method\n");
				break;
			}
			}
			break;
		case '.':
			for (input++;*input=='.';input++);
			r_core_seek_base (core, input);
			break;
		case '*':
		case '=':
		case 'j':
			r_io_sundo_list (core->io, input[0]);
			break;
		case '+':
			if (input[1]!='\0') {
				int delta = (input[1]=='+')? core->blocksize: off;
				r_io_sundo_push (core->io, core->offset, r_print_get_cursor (core->print));
				r_core_seek_delta (core, delta);
			} else {
				RIOUndos *undo = r_io_sundo_redo (core->io);
				if (undo != NULL)
					r_core_seek (core, undo->off, 0);
			}
			break;
		case '-':
			if (input[1]!='\0') {
				int delta = (input[1]=='-') ? -core->blocksize: -off;
				r_io_sundo_push (core->io, core->offset, r_print_get_cursor (core->print));
				r_core_seek_delta (core, delta);
			} else {
				RIOUndos *undo = r_io_sundo (core->io, core->offset);
				if (undo) {
					r_core_seek (core, undo->off, 0);
					r_core_block_read (core);
				}
			}
			break;
		case 'n':
			r_io_sundo_push (core->io, core->offset, r_print_get_cursor (core->print));
			r_core_seek_next (core, r_config_get (core->config, "scr.nkey"));
			break;
		case 'p':
			r_io_sundo_push (core->io, core->offset, r_print_get_cursor (core->print));
			r_core_seek_previous (core, r_config_get (core->config, "scr.nkey"));
			break;
		case 'a':
			off = core->blocksize;
			if (input[1]&&input[2]) {
				cmd = strdup (input);
				p = strchr (cmd+2, ' ');
				if (p) {
					off = r_num_math (core->num, p+1);;
					*p = '\0';
				}
				cmd[0] = 's';
				// perform real seek if provided
				r_cmd_call (core->rcmd, cmd);
				free (cmd);
			}
			r_io_sundo_push (core->io, core->offset, r_print_get_cursor (core->print));
			r_core_seek_align (core, off, 0);
			break;
		case 'b':
			if (off == 0)
				off = core->offset;
			r_io_sundo_push (core->io, core->offset, r_print_get_cursor (core->print));
			r_core_anal_bb_seek (core, off);
			break;
		case 'f': // "sf"
			if (strlen(input) > 2 && input[1]==' ') {
				RAnalFunction *fcn = r_anal_fcn_find_name (core->anal, input+2);
				if (fcn) {
					r_core_seek (core, fcn->addr, 1);
				}
				break;
			}
			RAnalFunction *fcn = r_anal_get_fcn_in (core->anal, core->offset, 0);
			if (fcn) {
				r_core_seek (core, fcn->addr + r_anal_fcn_size (fcn), 1);
			}
			break;
		case 'o': // "so"
			{
			RAnalOp op;
			int val=0, ret, i, n = r_num_math (core->num, input+1);
			if (n==0) n = 1;
			if (n<0) {
				int instr_len;
				ut64 addr = core->offset;
				int numinstr = n * -1;
				if (r_core_prevop_addr (core, core->offset, numinstr, &addr)) {
					ret = core->offset - addr;
				} else {
					ret = r_core_asm_bwdis_len (core, &instr_len, &addr, numinstr);
				}
				r_core_seek (core, addr, true);
				val += ret;
			} else {
				for (val=i=0; i<n; i++) {
					ret = r_anal_op (core->anal, &op,
							core->offset, core->block, core->blocksize);
					if (ret<1)
						ret = 1;
					r_core_seek_delta (core, ret);
					val += ret;
				}
			}
			core->num->value = val;
			}
			break;
		case 'g': // "sg"
			{
			RIOSection *s = r_io_section_vget (core->io, core->offset);
			if (s) r_core_seek (core, s->vaddr, 1);
			else r_core_seek (core, 0, 1);
			}
			break;
		case 'G': // "sG"
			{
			if (!core->file) break;
			RIOSection *s = r_io_section_vget (core->io, core->offset);
			// XXX: this +2 is a hack. must fix gap between sections
			if (s) r_core_seek (core, s->vaddr+s->size+2, 1);
			else r_core_seek (core, r_io_desc_size (core->io, core->file->desc), 1);
			}
			break;
		case 'l': // "sl"
			{
			int sl_arg = r_num_math (core->num, input+1);
			const char *help_msg[] = {
				"Usage:", "sl+ or sl- or slc", "",
				"sl", " [line]", "Seek to absolute line",
				"sl", "[+-][line]", "Seek to relative line",
				"slc", "", "Clear line cache",
				"sll", "", "Show total number of lines",
				NULL };
			switch (input[1]) {
			case 0:
				if (!core->print->lines_cache) {
					__init_seek_line (core);
				}
				__get_current_line (core);
				break;
			case ' ':
				if (!core->print->lines_cache) {
					__init_seek_line (core);
				}
				__seek_line_absolute (core, sl_arg);
				break;
			case '+':
			case '-':
				if (!core->print->lines_cache) {
					__init_seek_line (core);
				}
				__seek_line_relative (core, sl_arg);
				break;
			case 'c':
				__clean_lines_cache (core);
				break;
			case 'l':
				if (!core->print->lines_cache) {
					__init_seek_line (core);
				}
				eprintf ("%d lines\n", core->print->lines_cache_sz-1);
				break;
			case '?':
				r_core_cmd_help (core, help_msg);
				break;
			}
			}
			break;
		case ':':
			printPadded (core, atoi (input + 1));
			break;
		case '?': {
			const char * help_message[] = {
			"Usage: s", "", " # Seek commands",
			"s", "", "Print current address",
			"s:", "pad", "Print current address with N padded zeros (defaults to 8)",
			"s", " addr", "Seek to address",
			"s-", "", "Undo seek",
			"s-", " n", "Seek n bytes backward",
			"s--", "", "Seek blocksize bytes backward",
			"s+", "", "Redo seek",
			"s+", " n", "Seek n bytes forward",
			"s++", "", "Seek blocksize bytes forward",
			"s[j*=]", "", "List undo seek history (JSON, =list, *r2)",
			"s/", " DATA", "Search for next occurrence of 'DATA'",
			"s/x", " 9091", "Search for next occurrence of \\x90\\x91",
			"s.", "hexoff", "Seek honoring a base from core->offset",
			"sa", " [[+-]a] [asz]", "Seek asz (or bsize) aligned to addr",
			"sb", "", "Seek aligned to bb start",
			"sC", "[?] string", "Seek to comment matching given string",
			"sf", "", "Seek to next function (f->addr+f->size)",
			"sf", " function", "Seek to address of specified function",
			"sg/sG", "", "Seek begin (sg) or end (sG) of section or file",
			"sl", "[?] [+-]line", "Seek to line",
			"sn/sp", "", "Seek next/prev scr.nkey",
			"so", " [N]", "Seek to N next opcode(s)",
			"sr", " pc", "Seek to register",
			//"sp [page]  seek page N (page = block)",
			NULL
			};
			r_core_cmd_help(core, help_message);
		}
			break;
		}
	} else r_cons_printf ("0x%"PFMT64x"\n", core->offset);
	return 0;
}
Beispiel #21
0
static int cmd_meta_hsdmf(RCore *core, const char *input) {
	int n, type = input[0];
	char *t = 0, *p, name[256];
	int repeat = 1;
	ut64 addr_end = 0LL, addr = core->offset;

	switch (input[1]) {
	case '?':
		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);
			/* fallthrough */
		default:
			core->num->value = r_meta_del (core->anal,
					input[0], addr, 1, NULL);
			break;
		}
		break;
	case '*':
		r_meta_list (core->anal, input[0], 1);
		break;
	case '!':
		{
			char *out, *comment = r_meta_get_string (
					core->anal, R_META_TYPE_COMMENT, addr);
			out = r_core_editor (core, NULL, comment);
			if (out) {
				//r_meta_add (core->anal->meta, R_META_TYPE_COMMENT, addr, 0, out);
				r_core_cmdf (core, "CC-@0x%08"PFMT64x, addr);
				//r_meta_del (core->anal->meta, input[0], addr, addr+1, NULL);
				r_meta_set_string (core->anal, R_META_TYPE_COMMENT, addr, out);
				free (out);
			}
			free (comment);
		}
		break;
	case ' ':
	case '\0':
		if (type != 'z' && input[1] == '*') {
			r_meta_list (core->anal, type, 0);
			break;
		}
		if (type == 'z') {
			type = 's';
		}
		if (strlen (input) > 2) {
			char *rep = strchr (input + 2, '[');
			if (!rep) rep = strchr (input + 2, ' ');
			if (rep) {
				repeat = r_num_get (core->num, rep + 1);
			}
		}
		int repcnt = 0;
		if (repeat < 1) {
			repeat = 1;
		}
		while (repcnt < repeat) {
			t = strdup (r_str_chop_ro (input + 1));
			p = NULL;
			n = 0;
			strncpy (name, t, sizeof (name) - 1);
			if (type != 'C') {
				n = r_num_math (core->num, t);
				if (type == 'f') { // "Cf"
					p = strchr (t, ' ');
					if (p) {
						if (n < 1) {
							n = r_print_format_struct_size (p + 1, core->print, 0);
							if (n < 1) {
								eprintf ("Cannot resolve struct size\n");
								n = 32; //
							}
						}
						int r = r_print_format (core->print, addr, core->block,
							n, p + 1, 0, NULL, NULL);
						if (r < 0) {
							n  = -1;
						}
					} else {
						eprintf ("Usage: Cf [size] [pf-format-string]\n");
						break;
					}
				} else if (type == 's') { //Cs
					char tmp[256] = {0};
					int i, j, name_len = 0;
					(void)r_core_read_at (core, addr, (ut8*)tmp, sizeof (tmp) - 1);
					name_len = r_str_nlen_w (tmp, sizeof (tmp));
					//handle wide strings
					for (i = 0, j = 0; i < sizeof (name); i++, j++) {
						name[i] = tmp[j];
						if (!tmp[j]) {
							break;
						}
						if (!tmp[j + 1]) {
							if (j + 3 < sizeof (tmp)) {
								if (tmp[j + 3]) {
									break;	
								}
							}
							j++;
						}
					}
					name[sizeof (name) - 1] = '\0';
					if (n == 0) {
						n = name_len + 1;
					} else {
						if (n > 0 && n < name_len) {
							name[n] = 0;
						}
					}
				}
				if (n < 1) {
					/* invalid length, do not insert into db */
					return false;
				}
				if (!*t || n > 0) {
					RFlagItem *fi;
					p = strchr (t, ' ');
					if (p) {
						*p = '\0';
						strncpy (name, p + 1, sizeof (name)-1);
					} else {
						if (type != 's') {
							fi = r_flag_get_i (core->flags, addr);
							if (fi) strncpy (name, fi->name, sizeof (name)-1);
						}
					}
				}
			}
			if (!n) {
				n++;
			}
			addr_end = addr + n;
			r_meta_add (core->anal, type, addr, addr_end, name);
			free (t);
			repcnt ++;
			addr = addr_end;
		}
		//r_meta_cleanup (core->anal->meta, 0LL, UT64_MAX);
		break;
	default:
		eprintf ("Missing space after CC\n");
		break;
	}

	return true;
}
Beispiel #22
0
static int cmd_seek(void *data, const char *input) {
	RCore *core = (RCore *)data;
	char *cmd, *p;
	ut64 off;

	if (*input=='r') {
		if (input[1] && input[2]) {
			if (core->io->debug) {
				off = r_debug_reg_get (core->dbg, input+2);
				r_io_sundo_push (core->io, core->offset);
				r_core_seek (core, off, 1);
			} else {
				RReg *orig = core->dbg->reg;
				core->dbg->reg = core->anal->reg;
				off = r_debug_reg_get (core->dbg, input+2);
				core->dbg->reg = orig;
				r_core_seek (core, off, 1);
			}
		} else eprintf ("|Usage| 'sr pc' seek to program counter register\n");
	} else
	if (*input) {
		const char *inputnum = strchr (input+1, ' ');
		int sign = 1;
		inputnum = inputnum? inputnum+1: input+1;
		off = r_num_math (core->num, inputnum);
		if (*inputnum== '-') off = -off;
#if 0
		if (input[0]!='/' && inputnum && isalpha (inputnum[0]) && off == 0) {
			if (!r_flag_get (core->flags, inputnum)) {
				eprintf ("Cannot find address for '%s'\n", inputnum);
				return R_FALSE;
			}
		}
#endif
		if (input[0]==' ') {
			switch (input[1]) {
			case '-': sign=-1;
			case '+': input++; break;
			}
		}

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

				switch (count) {
				case 0:
					eprintf ("No matching comments\n");
					break;
				case 1:
					off = cb.addr;
					r_io_sundo_push (core->io, core->offset);
					r_core_seek (core, off, 1);
					r_core_block_read (core, 0);
					break;
				default:
					eprintf ("Too many results\n");
					break;
				}
				free (cb.str);
			} else eprintf ("Usage: sC[?*] comment-grep\n"
				"sC*        list all comments\n"
				"sC const   seek to comment matching 'const'\n");
			break;
		case ' ':
			r_io_sundo_push (core->io, core->offset);
			r_core_seek (core, off*sign, 1);
			r_core_block_read (core, 0);
			break;
		case '/':
			{
			const char *pfx = r_config_get (core->config, "search.prefix");
//kwidx cfg var is ignored
			int kwidx = core->search->n_kws; //(int)r_config_get_i (core->config, "search.kwidx")-1;
			if (kwidx<0) kwidx = 0;
			switch (input[1]) {
			case ' ':
			case 'x':
				r_config_set_i (core->config, "search.count", 1);
				r_core_cmdf (core, "s+1; p8 ; .%s;s-1;s %s%d_0;f-%s%d_0",
					input, pfx, kwidx, pfx, kwidx, pfx, kwidx);
				r_config_set_i (core->config, "search.count", 0);
				break;
			default:
				eprintf ("unknown search method\n");
				break;
			}
			}
			break;
		case '.':
			for (input++;*input=='.';input++);
			r_core_seek_base (core, input);
			break;
		case '*':
			r_io_sundo_list (core->io);
			break;
		case '+':
			if (input[1]!='\0') {
				int delta = (input[1]=='+')? core->blocksize: off;
				r_io_sundo_push (core->io, core->offset);
				r_core_seek_delta (core, delta);
			} else {
				off = r_io_sundo_redo (core->io);
				if (off != UT64_MAX)
					r_core_seek (core, off, 0);
			}
			break;
		case '-':
			if (input[1]!='\0') {
				int delta = (input[1]=='-') ? -core->blocksize: -off;
				r_io_sundo_push (core->io, core->offset);
				r_core_seek_delta (core, delta);
			} else {
				off = r_io_sundo (core->io, core->offset);
				if (off != UT64_MAX)
					r_core_seek (core, off, 0);
			}
			break;
		case 'n':
			r_io_sundo_push (core->io, core->offset);
			r_core_seek_next (core, r_config_get (core->config, "scr.nkey"));
			break;
		case 'p':
			r_io_sundo_push (core->io, core->offset);
			r_core_seek_previous (core, r_config_get (core->config, "scr.nkey"));
			break;
		case 'a':
			off = core->blocksize;
			if (input[1]&&input[2]) {
				cmd = strdup (input);
				p = strchr (cmd+2, ' ');
				if (p) {
					off = r_num_math (core->num, p+1);;
					*p = '\0';
				}
				cmd[0] = 's';
				// perform real seek if provided
				r_cmd_call (core->rcmd, cmd);
				free (cmd);
			}
			r_io_sundo_push (core->io, core->offset);
			r_core_seek_align (core, off, 0);
			break;
		case 'b':
			if (off == 0)
				off = core->offset;
			r_io_sundo_push (core->io, core->offset);
			r_core_anal_bb_seek (core, off);
			break;
		case 'f':
			if (strlen(input) > 2 && input[1]==' ') {
				RAnalFunction *fcn = r_anal_fcn_find_name (core->anal, input+2);
				if (fcn) {
					r_core_seek (core, fcn->addr, 1);
				}
				break;
			}
			RAnalFunction *fcn = r_anal_fcn_find (core->anal, core->offset, 0);
			if (fcn) {
				r_core_seek (core, fcn->addr+fcn->size, 1);
			}
			break;
		case 'o':
			{
			RAnalOp op;
			int val=0, ret, i, n = r_num_math (core->num, input+1);
			if (n==0) n = 1;
			if (n<0) {
				int ret = prevopsz (core, n);
				ret = r_anal_op (core->anal, &op,
						core->offset, core->block, core->blocksize);
				val += ret;
			} else
			for (val=i=0; i<n; i++) {
				ret = r_anal_op (core->anal, &op,
						core->offset, core->block, core->blocksize);
				if (ret<1)
					break;
				r_core_seek_delta (core, ret);
				val += ret;
			}
			core->num->value = val;
			}
			break;
		case 'g':
			{
			RIOSection *s = r_io_section_vget (core->io, core->offset);
			if (s) r_core_seek (core, s->vaddr, 1);
			else r_core_seek (core, 0, 1);
			}
			break;
		case 'G':
			{
			RIOSection *s = r_io_section_vget (core->io, core->offset);
			// XXX: this +2 is a hack. must fix gap between sections
			if (s) r_core_seek (core, s->vaddr+s->size+2, 1);
			else r_core_seek (core, core->file->size, 1);
			}
			break;
		case '?': {
			const char * help_message[] = {
			"Usage: s", "", " # Seek commands",
			"s", "", "Print current address",
			"s", " addr", "Seek to address",
			"s-", "", "Undo seek",
			"s-", " n", "Seek n bytes backward",
			"s--", "", "Seek blocksize bytes backward",
			"s+", "", "Redo seek",
			"s+", " n", "Seek n bytes forward",
			"s++", "", "Seek blocksize bytes forward",
			"s*", "", "List undo seek history",
			"s/", " DATA", "Search for next occurrence of 'DATA'",
			"s/x", " 9091", "Search for next occurrence of \\x90\\x91",
			"s.", "hexoff", "Seek honoring a base from core->offset",
			"sa", " [[+-]a] [asz]", "Seek asz (or bsize) aligned to addr",
			"sb", "", "Seek aligned to bb start",
			"sC", " string", "Seek to comment matching given string",
			"sf", "", "Seek to next function (f->addr+f->size)",
			"sf", " function", "Seek to address of specified function",
			"sg/sG", "", "Seek begin (sg) or end (sG) of section or file",
			"sn/sp", "", "Seek next/prev scr.nkey",
			"so", " [N]", "Seek to N next opcode(s)",
			"sr", " pc", "Seek to register",
			//"sp [page]  seek page N (page = block)",
			NULL
			};
			r_core_cmd_help(core, help_message);
		}
			break;
		}
	} else r_cons_printf ("0x%"PFMT64x"\n", core->offset);
	return 0;
}
Beispiel #23
0
R_API bool r_core_hack_x86(RCore *core, const char *op, const RAnalOp *analop) {
	const ut8 *b = core->block;
	int i, size = analop->size;
	if (!strcmp (op, "nop")) {
		if (size * 2 + 1 < size) return false;
		char *str = malloc (size * 2 + 1);
		if (!str) {
			return false;
		}
		for (i = 0; i < size; i++)
			memcpy (str + (i * 2), "90", 2);
		str[size*2] = '\0';
		r_core_cmdf (core, "wx %s\n", str);
		free (str);
	} else if (!strcmp (op, "trap")) {
		r_core_cmd0 (core, "wx cc\n");
	} else if (!strcmp (op, "jz")) {
		if (b[0] == 0x75) {
			r_core_cmd0 (core, "wx 74\n");
		} else {
			eprintf ("Current opcode is not conditional\n");
			return false;
		}
	} else if (!strcmp (op, "jnz")) {
		if (b[0] == 0x74) {
			r_core_cmd0 (core, "wx 75\n");
		} else {
			eprintf ("Current opcode is not conditional\n");
			return false;
		}
	} else if (!strcmp (op, "nocj")) {
		if (*b == 0xf) {
			r_core_cmd0 (core, "wx 90e9");
		} else if (b[0] >= 0x70 && b[0] <= 0x7f) {
			r_core_cmd0 (core, "wx eb");
		} else {
			eprintf ("Current opcode is not conditional\n");
			return false;
		}
	} else if (!strcmp (op, "recj")) {
		int is_near = (*b == 0xf);
		if (b[0] < 0x80 && b[0] >= 0x70) { // short jmps: jo, jno, jb, jae, je, jne, jbe, ja, js, jns
				r_core_cmdf (core, "wx %x\n", (b[0]%2)? b[0] - 1: b[0] + 1);
		} else if (is_near && b[1] < 0x90 && b[1] >= 0x80) { // near jmps: jo, jno, jb, jae, je, jne, jbe, ja, js, jns
				r_core_cmdf (core, "wx 0f%x\n", (b[1]%2)? b[1] - 1: b[1] + 1);
		} else {
			eprintf ("Invalid conditional jump opcode\n");
			return false;
		}
	} else if (!strcmp (op, "ret1")) {
		r_core_cmd0 (core, "wx c20100\n");
	} else if (!strcmp (op, "ret0")) {
		r_core_cmd0 (core, "wx c20000\n");
	} else if (!strcmp (op, "retn")) {
		r_core_cmd0 (core, "wx c2ffff\n");
	} else {
		eprintf ("Invalid operation '%s'\n", op);
		return false;
	}
	return true;
}
Beispiel #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;
}
Beispiel #25
0
R_API bool r_core_hack_arm(RCore *core, const char *op, const RAnalOp *analop) {
	const int bits = core->assembler->bits;
	const ut8 *b = core->block;

	if (!strcmp (op, "nop")) {
		const int nopsize = (bits==16)? 2: 4;
		const char *nopcode = (bits==16)? "00bf":"0000a0e1";
		const int len = analop->size;
		char* str;
		int i;

		if (len % nopsize) {
			eprintf ("Invalid nopcode size\n");
			return false;
		}

		str = calloc (len + 1, 2);
		if (!str) {
			return false;
		}
		for (i=0; i < len; i+=nopsize) {
			memcpy (str + i * 2, nopcode, nopsize*2);
		}
		str[len*2] = '\0';
		r_core_cmdf (core, "wx %s\n", str);
		free (str);
	} else if (!strcmp (op, "trap")) {
		const char* trapcode = (bits==16)? "bebe": "fedeffe7";
		r_core_cmdf (core, "wx %s\n", trapcode);
	} else if (!strcmp (op, "jz")) {
		if (bits == 16) {
			switch (b[1]) {
			case 0xb9: // CBNZ
				r_core_cmd0 (core, "wx b1 @@ $$+1\n"); //CBZ
				break;
			case 0xbb: // CBNZ
				r_core_cmd0 (core, "wx b3 @@ $$+1\n"); //CBZ
				break;
			case 0xd1: // BNE
				r_core_cmd0 (core, "wx d0 @@ $$+1\n"); //BEQ
				break;
			default:
				eprintf ("Current opcode is not conditional\n");
				return false;
			}
		} else {
			eprintf ("ARM jz hack not supported\n");
			return false;
		}
	} else if (!strcmp (op, "jnz")) {
		if (bits == 16) {
			switch (b[1]) {
			case 0xb1: // CBZ
				r_core_cmd0 (core, "wx b9 @@ $$+1\n"); //CBNZ
				break;
			case 0xb3: // CBZ
				r_core_cmd0 (core, "wx bb @@ $$+1\n"); //CBNZ
				break;
			case 0xd0: // BEQ
				r_core_cmd0 (core, "wx d1 @@ $$+1\n"); //BNE
				break;
			default:
				eprintf ("Current opcode is not conditional\n");
				return false;
			}
		} else {
			eprintf ("ARM jnz hack not supported\n");
			return false;
		}
	} else if (!strcmp (op, "nocj")) {
		// TODO: drop conditional bit instead of that hack
		if (bits == 16) {
			switch (b[1]) {
			case 0xb1: // CBZ
			case 0xb3: // CBZ
			case 0xd0: // BEQ
			case 0xb9: // CBNZ
			case 0xbb: // CBNZ
			case 0xd1: // BNE
				r_core_cmd0 (core, "wx e0 @@ $$+1\n"); //BEQ
				break;
			default:
				eprintf ("Current opcode is not conditional\n");
				return false;
			}
		} else {
			eprintf ("ARM un-cjmp hack not supported\n");
			return false;
		}
	} else if (!strcmp (op, "recj")) {
		eprintf ("TODO: use jnz or jz\n");
		return false;
	} else if (!strcmp (op, "ret1")) {
		if (bits == 16)
			r_core_cmd0 (core, "wx 01207047 @@ $$+1\n"); // mov r0, 1; bx lr
		else
			r_core_cmd0 (core, "wx 0100b0e31eff2fe1 @@ $$+1\n"); // movs r0, 1; bx lr
	} else if (!strcmp (op, "ret0")) {
		if (bits == 16)
			r_core_cmd0 (core, "wx 00207047 @@ $$+1\n"); // mov r0, 0; bx lr
		else
			r_core_cmd0 (core, "wx 0000a0e31eff2fe1 @@ $$+1\n"); // movs r0, 0; bx lr
	} else if (!strcmp (op, "retn")) {
		if (bits == 16)
			r_core_cmd0 (core, "wx ff207047 @@ $$+1\n"); // mov r0, -1; bx lr
		else
			r_core_cmd0 (core, "wx ff00a0e31eff2fe1 @@ $$+1\n"); // movs r0, -1; bx lr
	} else {
		eprintf ("Invalid operation\n");
		return false;
	}
	return true;
}
Beispiel #26
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;
}
Beispiel #27
0
static void nextpal(RCore *core, int mode) {
// TODO: use r_core_list_themes() here instead of rewalking all the time
	RList *files = NULL;
	RListIter *iter;
	const char *fn;
	int ctr = 0;
	char *home = r_str_home (".config/radare2/cons/");

	getNext = false;
	if (mode == 'j') {
		r_cons_printf ("[");
	}
	if (home) {
		files = r_sys_dir (home);
		r_list_foreach (files, iter, fn) {
			if (*fn && *fn != '.') {
				if (mode == 'p') {
					const char *nfn = iter->n? iter->n->data: NULL;
					if (!curtheme) {
						free (home);
						r_list_free (files);
						return;
					}
					eprintf ("%s %s %s\n", nfn, curtheme, fn);
					if (nfn && !strcmp (nfn, curtheme)) {
						r_list_free (files);
						files = NULL;
						free (curtheme);
						curtheme = strdup (fn);
						R_FREE (home);
						goto done;
					}
				} else {
					if (!nextpal_item (core, mode, fn, ctr++)) {
						r_list_free (files);
						files = NULL;
						R_FREE (home);
						goto done;
					}
				}
			}
		}
		r_list_free (files);
		R_FREE (home);
	}
	files = r_sys_dir (R2_DATDIR"/radare2/"R2_VERSION"/cons/");
	r_list_foreach (files, iter, fn) {
		if (*fn && *fn != '.') {
			if (mode == 'p') {
				const char *nfn = iter->n? iter->n->data: NULL;
				if (!curtheme) {
					free (home);
					r_list_free (files);
					return;
				}
				eprintf ("%s %s %s\n", nfn, curtheme, fn);
				if (nfn && !strcmp (nfn, curtheme)) {
					free (curtheme);
					curtheme = strdup (fn);
					goto done;
				}
			} else {
				if (!nextpal_item (core, mode, fn, ctr++)) {
					goto done;
				}
			}
		}
	}
done:
	if (getNext) {
		R_FREE (curtheme);
		nextpal (core, mode);
		return;
	}
	if (mode == 'l' && !curtheme && !r_list_empty (files)) {
		//nextpal (core, mode);
	} else {
		if (curtheme) {
			r_core_cmdf (core, "eco %s", curtheme);
		}
	}
	r_list_free (files);
	files = NULL;
	if (mode == 'j') {
		r_cons_printf ("]\n");
	}
}
Beispiel #28
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 'k':
		if (input[1] == ' ') {
			sdb_query (core->anal->sdb_types, input + 2);
		} else sdb_query (core->anal->sdb_types, "*");
		break;
	case 's': {
		char *q, *p, *o, *e;
		p = o = strdup (input + 1);
		for (;;) {
			if (*p == '\0') {
				eprintf ("Usage: ts <k>=<v> Set fields at curseek linked type\n");
				break;
			}
			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 'b': {
		char *p, *s = (strlen (input) > 1)? strdup (input + 2): NULL;
		const char *isenum;
		p = s? strchr (s, ' '): NULL;
		if (p) {
			*p++ = 0;
			// dupp in core.c (see getbitfield())
			isenum = sdb_const_get (core->anal->sdb_types, s, 0);
			if (isenum && !strcmp (isenum, "enum")) {
				*--p = '.';
				const char *res = sdb_const_get (core->anal->sdb_types, s, 0);
				if (res)
					r_cons_printf ("%s\n", res);
				else eprintf ("Invalid enum member\n");
			} else {
				eprintf ("This is not an enum\n");
			}
		} else {
			eprintf ("Missing value\n");
		}
		free (s);
	} break;
	case 'e': {
		if (!input[1]) {
			char *name = NULL;
			SdbKv *kv;
			SdbListIter *iter;
			SdbList *l = sdb_foreach_list (core->anal->sdb_types);
			ls_foreach (l, iter, kv) {
				if (!strcmp (kv->value, "enum")) {
					if (!name || strcmp (kv->value, name)) {
						free (name);
						name = strdup (kv->key);
						r_cons_printf ("%s\n", name);
					}
				}
			}
			free (name);
			ls_free (l);
			break;
		}
		char *p, *s = strdup (input + 2);
		const char *isenum;
		p = strchr (s, ' ');
		if (p) {
			*p++ = 0;
			isenum = sdb_const_get (core->anal->sdb_types, s, 0);
			if (isenum && !strcmp (isenum, "enum")) {
				const char *q = sdb_fmt (0, "%s.0x%x", s, (ut32)r_num_math (core->num, p));
				const char *res = sdb_const_get (core->anal->sdb_types, q, 0);
				if (res)
					r_cons_printf ("%s\n", res);
			} else {
				eprintf ("This is not an enum\n");
			}
		} else {
			//eprintf ("Missing value\n");
			r_core_cmdf (core, "t~&%s,=0x", s);
		}
		free (s);
	} break;
	case ' ': {
		const char *isenum = sdb_const_get (core->anal->sdb_types, input + 1, 0);
		if (isenum && !strcmp (isenum, "enum")) {
			eprintf ("IS ENUM! \n");
		} else {
			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;
	// t* - list all types in 'pf' syntax
	case '*':
		sdb_foreach (core->anal->sdb_types, typelist, core);
		break;
	case 0:
		sdb_foreach (core->anal->sdb_types, sdbforcb, core);
		break;
	case 'o':
		if (!r_sandbox_enable (0)) {
			if (input[1] == ' ') {
				const char *filename = input + 2;
				char *homefile = NULL;
				if (*filename == '~') {
					if (filename[1] && filename[2]) {
						homefile = r_str_home (filename + 2);
						filename = homefile;
					}
				}
				if (!strcmp (filename, "-")) {
					char *out, *tmp;
					tmp = r_core_editor (core, NULL, "");
					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);
				}
				free (homefile);
			}
		} else {
			eprintf ("Sandbox: system call disabled\n");
		}
		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);
			r_cons_printf ("Note: The td command should be put between double quotes\n"
				"Example: \" td struct foo {int bar;int cow};\""
				"\nt");

		} else if (input[1] == ' ') {
			char tmp[8192];
			snprintf (tmp, sizeof (tmp) - 1, "%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] == '*') {
			sdb_foreach (core->anal->sdb_types, sdbdelete, core);
		} else {
			const char *name = input + 1;
			while (IS_WHITESPACE (*name)) name++;
			if (*name) {
				SdbKv *kv;
				SdbListIter *iter;
				int tmp_len = strlen (name);
				char *tmp = malloc (tmp_len + 2);
				r_anal_type_del (core->anal, name);
				if (tmp) {
					snprintf (tmp, tmp_len + 1, "%s.", name);
					SdbList *l = sdb_foreach_list (core->anal->sdb_types);
					ls_foreach (l, iter, kv) {
						if (!strncmp (kv->key, tmp, tmp_len - 1))
							r_anal_type_del (core->anal, kv->key);
					}
					free (tmp);
				}
			} else eprintf ("Invalid use of t- . See t-? for help.\n");
		}
Beispiel #29
0
R_API int r_core_patch (RCore *core, const char *patch) {
	char *p, *p2, *q, str[200], tmp[64];
	ut64 noff = 0LL;
	FILE *fd = r_sandbox_fopen (patch, "r");
	if (fd==NULL) {
		eprintf ("Cannot open patch file\n");
		return 1;
	}

	while (!feof (fd)) {
		fgets (str, sizeof (str), fd);
		if (*str=='#' || *str=='\n' || *str=='\r')
			continue;
		if (*str==':') {
			r_core_cmd0 (core, str+1);
			continue;
		}
		if (*str=='.' || *str=='!') {
			r_core_cmd0 (core, str);
			continue;
		}
		p = strchr (str+1, ' ');
		if (p) {
			*p = 0;
			for (++p; *p==' '; p++); // XXX: skipsspaces here
			switch (*p) {
			case '{': {
				char *s, *off = strdup (str);
				RBuffer *b = r_buf_new ();
				
				while (!feof (fd)) {
					fgets (str, sizeof (str), fd);
					if (*str=='}')
						break;
					if ((q=strstr (str, "${"))) {
						char *end = strchr (q+2,'}');
						if (end) {
							*q = *end = 0;
							noff = r_num_math (core->num, q+2);
							r_buf_append_bytes (b, (const ut8*)str, strlen (str));
							snprintf (tmp, sizeof (tmp), "0x%08"PFMT64x, noff);
							r_buf_append_bytes (b, (const ut8*)tmp, strlen (tmp));
							r_buf_append_bytes (b, (const ut8*)end+1, strlen (end+1));
						}
					} else r_buf_append_bytes (b, (const ut8*)str, strlen (str));
				}

				s = r_buf_to_string (b);
				r_egg_load (core->egg, s, 0);
				free (s);
			
				r_egg_compile (core->egg);
				r_egg_assemble (core->egg);

				r_buf_free (b);
				b = r_egg_get_bin (core->egg);

				if (strcmp (off, "+"))
					noff = r_num_math (core->num, off);
				r_core_write_at (core, noff, b->buf, b->length);
				noff += b->length;
				r_buf_free (b);
				free (off);
				}
				break;
			case '"':
				p2 = strchr (p+1,'"');
				if (p2) *p2=0;
				r_core_cmdf (core, "s %s", str);
				r_core_cmdf (core, "\"w %s\"", p+1);
				break;
			case ':':
				r_core_cmdf (core, "s %s", str);
				r_core_cmdf (core, "wa %s", p);
				break;
			default:
				r_core_cmdf (core, "s %s", str);
				r_core_cmdf (core, "wx %s", p);
				break;
			}
		}
	}
	fclose (fd);
	return 0;
}