Cross Reference: /illumos-gate/usr/src/cmd/cmd-inet/usr.sbin/snoop/snoop

Lines Matching refs:data
53 static size_t skip_question(const uchar_t *header, const uchar_t *data,
56     const uchar_t *data, const uchar_t *data_end, int detail);
58     const uchar_t *data, const uchar_t *data_end, int detail);
59 static char *binary_string(char data);
60 static void print_ip(int af, char *line, const uchar_t *data, uint16_t len);
61 static const uchar_t *get_char_string(const uchar_t *data, char *charbuf,
63 static size_t print_char_string(char *line, const uchar_t *data, uint16_t len);
65     const uchar_t *data, const uchar_t *data_end, char *namebuf, char *namend);
67     const uchar_t *data, const uchar_t *data_end);
70 interpret_dns(int flags, int proto, const uchar_t *data, int len, int port)
102 	data_end = data + len;
107 	(void) memcpy(&header, data, sizeof (header));
123 				rrp = data + sizeof (dns_header);
128 					rrp += skip_question(data,
134 					    data, rrp, data_end, FALSE);
143 			rrp = data + sizeof (dns_header);
147 			(void) print_question(line, data, rrp, data_end,
181 		rrp = data + sizeof (dns_header);
189 			    data, rrp, data_end, TRUE);
203 				    data, rrp, data_end, TRUE);
217 				rrp += print_answer(get_line(0, 0), data,
229 				rrp += print_answer(get_line(0, 0), data,
320 skip_question(const uchar_t *header, const uchar_t *data,
323 	const uchar_t *data_bak = data;
326 	data = get_domain_name(header, data, data_end, dummy_buffer,
329 	data += sizeof (uint32_t);
330 	return (data - data_bak);
334 print_question(char *line, const uchar_t *header, const uchar_t *data,
337 	const uchar_t *data_bak = data;
345 	data += print_domain_name(line, header, data, data_end);
359 	if ((data_end - data) < (ptrdiff_t)(2 * sizeof (uint16_t)))
362 	GETINT16(type, data);
363 	GETINT16(cls, data);
386 	return (data - data_bak);
397  *	*data: location within header from where the RR starts.
398  * 	*data_end: where DNS data ends.
450 print_answer(char *line, const uchar_t *header, const uchar_t *data,
453 	const uchar_t *data_bak = data;
477 	data += print_domain_name(line, header, data, data_end);
483 	if ((data_end - data) < (ptrdiff_t)(sizeof (type))) {
487 	GETINT16(type, data);
494 		if ((data_end - data) <
503 		GETINT16(size, data);
504 		GETINT8(xrcode, data);
513 		GETINT8(ver, data);
514 		GETINT16(cls, data); /* zero */
515 		GETINT16(rdlen, data);
542 		 * Make sure that rdlen is within data boundary.
544 		if (rdlen > data_end - data)
549 		data += rdlen;
550 		return (data - data_bak);
557 	if ((data_end - data) <
564 	GETINT16(cls, data);
589 	GETINT32(ttl, data);
595 	GETINT16(rdlen, data);
602 	if (rdlen > data_end - data)
607 		print_ip(AF_INET, line, data, rdlen);
610 		print_ip(AF_INET6, line, data, rdlen);
614 		data_next = data + print_char_string(line, data, rdlen);
620 		    rdlen - (data_next - data));
628 		(void) print_domain_name(line, header, data, data_end);
631 		data_next = data;
651 		data_next = data + print_domain_name(line, header, data,
675 		print_ip(AF_INET, line, data, rdlen);
678 		data_next = data + sizeof (in_addr_t);
698 		while (data_next < data + rdlen) {
717 		data_next = data + print_domain_name(line, header, data,
726 	data += rdlen;
727 	return (data - data_bak);
731 binary_string(char data)
738 		*ptr++ = (data & 0x80) ? '1' : '0';
739 		data = data << 1;
746 print_ip(int af, char *line, const uchar_t *data, uint16_t len)
756 		addr = memcpy(&addr4, data, sizeof (addr4));
761 		addr = memcpy(&addr6, data, sizeof (addr6));
772 get_char_string(const uchar_t *data, char *charbuf, uint16_t datalen)
783 		len = *data;
784 		data++;
786 			for (i = 0; i < len; i++, data++)
787 				name[i] = *data;
791 	return (data);
795 print_char_string(char *line, const uchar_t *data, uint16_t len)
798 	const uchar_t *data_bak = data;
800 	data = get_char_string(data, charbuf, len);
802 	return (data - data_bak);
808  * data:   the start of the domain name
813 get_domain_name(const uchar_t *header, const uchar_t *data,
827 		if ((data_end - data) < (ptrdiff_t)(sizeof (uint8_t))) {
831 		GETINT8(len, data);
856 			data--;
857 			if ((data_end - data) <
863 				data = data_end;
866 			GETINT16(offset, data);
870 			 * checking that it is less than the current data
874 			if (label_ptr > data || label_ptr >= data_end)
878 			return (data);
880 			if (len > (data_end - data)) {
884 				 * caller checks that the data pointer is
888 				data = data_end;
892 				*name = *data;
894 				data++;
902 	return (data);
906 print_domain_name(char *line, const uchar_t *header, const uchar_t *data,
912 	new_data = get_domain_name(header, data, data_end, name,
916 	return (new_data - data);