X-Git-Url: https://git.tcpdump.org/tcpdump/blobdiff_plain/fe3253b9b8fad9e75f863157eba0780418182f17..refs/heads/tcpdump-4.9:/nameser.h

diff --git a/nameser.h b/nameser.h
index 517544cf..808ac9d0 100644
--- a/nameser.h
+++ b/nameser.h
@@ -70,20 +70,6 @@
 	/* number of bytes of fixed size data in resource record */
 #define RRFIXEDSZ	10
 
-/*
- * Internet nameserver port number
- */
-#define NAMESERVER_PORT	53
-
-/*
- * Port for multicast DNS; see
- *
- *	http://files.multicastdns.org/draft-cheshire-dnsext-multicastdns.txt
- *
- * for the current mDNS spec.
- */
-#define MULTICASTDNS_PORT	5353
-
 /*
  * Currently defined opcodes
  */
@@ -224,13 +210,13 @@
  * Structure for query header.
  */
 typedef struct {
-	u_int16_t id;		/* query identification number */
-	u_int8_t  flags1;	/* first byte of flags */
-	u_int8_t  flags2;	/* second byte of flags */
-	u_int16_t qdcount;	/* number of question entries */
-	u_int16_t ancount;	/* number of answer entries */
-	u_int16_t nscount;	/* number of authority entries */
-	u_int16_t arcount;	/* number of resource entries */
+	uint16_t id;		/* query identification number */
+	uint8_t  flags1;	/* first byte of flags */
+	uint8_t  flags2;	/* second byte of flags */
+	uint16_t qdcount;	/* number of question entries */
+	uint16_t ancount;	/* number of answer entries */
+	uint16_t nscount;	/* number of authority entries */
+	uint16_t arcount;	/* number of resource entries */
 } HEADER;
 
 /*
@@ -250,8 +236,11 @@ typedef struct {
 /*
  * Defines for handling compressed domain names, EDNS0 labels, etc.
  */
-#define INDIR_MASK	0xc0	/* 11.... */
-#define EDNS0_MASK	0x40	/* 01.... */
+#define TYPE_MASK	0xc0	/* mask for the type bits of the item */
+#define TYPE_INDIR	0xc0	/* 11.... - pointer */
+#define TYPE_RESERVED	0x80	/* 10.... - reserved */
+#define TYPE_EDNS0	0x40	/* 01.... - EDNS(0) label */
+#define TYPE_LABEL	0x00	/* 00.... - regular label */
 #  define EDNS0_ELT_BITLABEL 0x01
 
 /*
@@ -261,36 +250,36 @@ struct rrec {
 	int16_t	r_zone;			/* zone number */
 	int16_t	r_class;		/* class number */
 	int16_t	r_type;			/* type number */
-	u_int32_t	r_ttl;			/* time to live */
+	uint32_t	r_ttl;			/* time to live */
 	int	r_size;			/* size of data area */
 	char	*r_data;		/* pointer to data */
 };
 
 /*
  * Inline versions of get/put short/long.  Pointer is advanced.
- * We also assume that a "u_int16_t" holds 2 "chars"
- * and that a "u_int32_t" holds 4 "chars".
+ * We also assume that a "uint16_t" holds 2 "chars"
+ * and that a "uint32_t" holds 4 "chars".
  *
  * These macros demonstrate the property of C whereby it can be
  * portable or it can be elegant but never both.
  */
 #define GETSHORT(s, cp) { \
 	register u_char *t_cp = (u_char *)(cp); \
-	(s) = ((u_int16_t)t_cp[0] << 8) | (u_int16_t)t_cp[1]; \
+	(s) = ((uint16_t)t_cp[0] << 8) | (uint16_t)t_cp[1]; \
 	(cp) += 2; \
 }
 
 #define GETLONG(l, cp) { \
 	register u_char *t_cp = (u_char *)(cp); \
-	(l) = (((u_int32_t)t_cp[0]) << 24) \
-	    | (((u_int32_t)t_cp[1]) << 16) \
-	    | (((u_int32_t)t_cp[2]) << 8) \
-	    | (((u_int32_t)t_cp[3])); \
+	(l) = (((uint32_t)t_cp[0]) << 24) \
+	    | (((uint32_t)t_cp[1]) << 16) \
+	    | (((uint32_t)t_cp[2]) << 8) \
+	    | (((uint32_t)t_cp[3])); \
 	(cp) += 4; \
 }
 
 #define PUTSHORT(s, cp) { \
-	register u_int16_t t_s = (u_int16_t)(s); \
+	register uint16_t t_s = (uint16_t)(s); \
 	register u_char *t_cp = (u_char *)(cp); \
 	*t_cp++ = t_s >> 8; \
 	*t_cp   = t_s; \
@@ -302,7 +291,7 @@ struct rrec {
  * were depending on this "feature", you will lose.
  */
 #define PUTLONG(l, cp) { \
-	register u_int32_t t_l = (u_int32_t)(l); \
+	register uint32_t t_l = (uint32_t)(l); \
 	register u_char *t_cp = (u_char *)(cp); \
 	*t_cp++ = t_l >> 24; \
 	*t_cp++ = t_l >> 16; \