Include lots of header files, rather than relying on O/S specific ones.

Makefile

@@ -10,6 +10,7 @@
 
 # Give the location of pcap.h here:
 CFLAGS += -I/usr/include/pcap
+# CFLAGS += -I/usr/pkg/include
 # CFLAGS += -pg -a
 
 # Give the location of libpcap here if it's not in one of the standard
@@ -29,7 +30,7 @@ MANDIR = man
 #MANDIR = share/man     # FHS-ish
 
 # You shouldn't need to change anything below this point.
-VERSION = 0.9pre1
+VERSION = 0.9pre2
 CFLAGS  += -g -Wall "-DIFTOP_VERSION=\"$(VERSION)\""
 LDFLAGS += -g 
 LDLIBS += -lpcap -lpthread -lcurses -lm
@@ -37,7 +38,7 @@ LDLIBS += -lpcap -lpthread -lcurses -lm
 SRCS = iftop.c addr_hash.c hash.c ns_hash.c resolver.c ui.c util.c sorted_list.c\
        options.c serv_hash.c threadprof.c
 HDRS = addr_hash.h hash.h iftop.h ns_hash.h resolver.h sorted_list.h ui.h options.h sll.h\
-       serv_hash.h threadprof.h
+       serv_hash.h threadprof.h ether.h ip.h tcp.h
 TXTS = README CHANGES INSTALL TODO iftop.8 COPYING
 SPECFILE = iftop.spec
 

addr_hash.h

@@ -9,7 +9,6 @@
 #include <sys/types.h>
 #include <sys/socket.h>
 #include <netinet/in.h>
-#include <arpa/inet.h>
 #include "hash.h"
 
 typedef struct {

ether.h

@@ -0,0 +1,17 @@
+#ifndef __ETHER_H_
+#define __ETHER_H_
+
+#define	ETHERTYPE_PUP		0x0200   
+#define	ETHERTYPE_IP		0x0800
+#define	ETHERTYPE_ARP		0x0806
+#define	ETHERTYPE_REVARP	0x8035
+
+#define	ETHER_ADDR_LEN		6
+
+struct	ether_header {
+	u_int8_t	ether_dhost[ETHER_ADDR_LEN];
+	u_int8_t	ether_shost[ETHER_ADDR_LEN];
+	u_int16_t	ether_type;
+};
+
+#endif 

iftop.c

@@ -8,13 +8,10 @@
 #include <stdlib.h>
 #include <time.h>
 #include <sys/types.h>
-#include <sys/socket.h>
 #include <sys/ioctl.h>
+#include <sys/socket.h>
 #include <net/if.h>
-#include <net/ethernet.h>
+
-#include <netinet/ip.h>
-#include <netinet/tcp.h>
-#include <netinet/udp.h>
 #include <pthread.h>
 #include <curses.h>
 #include <signal.h>
@@ -28,6 +25,9 @@
 #include "options.h"
 #include "sll.h"
 #include "threadprof.h"
+#include "ether.h"
+#include "ip.h"
+#include "tcp.h"
 
 
 unsigned char if_hw_addr[6];    /* ethernet address of interface. */
@@ -132,13 +132,13 @@ void assign_addr_pair(addr_pair* ap, struct ip* iptr, int flip) {
   unsigned short int dst_port = 0;
 
   /* Does this protocol use ports? */
-  if(iptr->ip_p == IPPROTO_TCP || iptr->ip_p == IPPROTO_UDP) {
+  if(iptr->ip_p == IPPROTO_TCP || IP_HL(iptr) == IPPROTO_UDP) {
     /* We take a slight liberty here by treating UDP the same as TCP */
 
     /* Find the TCP/UDP header */
-    struct tcphdr* thdr = ((void*)iptr) + iptr->ip_hl * 4;
+    struct tcphdr* thdr = ((void*)iptr) + IP_HL(iptr) * 4;
-    src_port = ntohs(thdr->source);
+    src_port = ntohs(thdr->th_sport);
-    dst_port = ntohs(thdr->dest);
+    dst_port = ntohs(thdr->th_dport);
   }
 
   if(flip == 0) {

ip.h

@@ -0,0 +1,159 @@
+/* @(#) $Header$ (LBL) */
+/*
+ * Copyright (c) 1982, 1986, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ *	@(#)ip.h	8.2 (Berkeley) 6/1/94
+ */
+
+/*
+ * Definitions for internet protocol version 4.
+ * Per RFC 791, September 1981.
+ */
+#define	IPVERSION	4
+
+/*
+ * Structure of an internet header, naked of options.
+ *
+ * We declare ip_len and ip_off to be short, rather than u_short
+ * pragmatically since otherwise unsigned comparisons can result
+ * against negative integers quite easily, and fail in subtle ways.
+ */
+struct ip {
+	u_int8_t	ip_vhl;		/* header length, version */
+#define IP_V(ip)	(((ip)->ip_vhl & 0xf0) >> 4)
+#define IP_HL(ip)	((ip)->ip_vhl & 0x0f)
+	u_int8_t	ip_tos;		/* type of service */
+	u_int16_t	ip_len;		/* total length */
+	u_int16_t	ip_id;		/* identification */
+	u_int16_t	ip_off;		/* fragment offset field */
+#define	IP_DF 0x4000			/* dont fragment flag */
+#define	IP_MF 0x2000			/* more fragments flag */
+#define	IP_OFFMASK 0x1fff		/* mask for fragmenting bits */
+	u_int8_t	ip_ttl;		/* time to live */
+	u_int8_t	ip_p;		/* protocol */
+	u_int16_t	ip_sum;		/* checksum */
+	struct	in_addr ip_src,ip_dst;	/* source and dest address */
+};
+
+#define	IP_MAXPACKET	65535		/* maximum packet size */
+
+/*
+ * Definitions for IP type of service (ip_tos)
+ */
+#define	IPTOS_LOWDELAY		0x10
+#define	IPTOS_THROUGHPUT	0x08
+#define	IPTOS_RELIABILITY	0x04
+
+/*
+ * Definitions for IP precedence (also in ip_tos) (hopefully unused)
+ */
+#define	IPTOS_PREC_NETCONTROL		0xe0
+#define	IPTOS_PREC_INTERNETCONTROL	0xc0
+#define	IPTOS_PREC_CRITIC_ECP		0xa0
+#define	IPTOS_PREC_FLASHOVERRIDE	0x80
+#define	IPTOS_PREC_FLASH		0x60
+#define	IPTOS_PREC_IMMEDIATE		0x40
+#define	IPTOS_PREC_PRIORITY		0x20
+#define	IPTOS_PREC_ROUTINE		0x00
+
+/*
+ * Definitions for options.
+ */
+#define	IPOPT_COPIED(o)		((o)&0x80)
+#define	IPOPT_CLASS(o)		((o)&0x60)
+#define	IPOPT_NUMBER(o)		((o)&0x1f)
+
+#define	IPOPT_CONTROL		0x00
+#define	IPOPT_RESERVED1		0x20
+#define	IPOPT_DEBMEAS		0x40
+#define	IPOPT_RESERVED2		0x60
+
+#define	IPOPT_EOL		0		/* end of option list */
+#define	IPOPT_NOP		1		/* no operation */
+
+#define	IPOPT_RR		7		/* record packet route */
+#define	IPOPT_TS		68		/* timestamp */
+#define	IPOPT_SECURITY		130		/* provide s,c,h,tcc */
+#define	IPOPT_LSRR		131		/* loose source route */
+#define	IPOPT_SATID		136		/* satnet id */
+#define	IPOPT_SSRR		137		/* strict source route */
+
+/*
+ * Offsets to fields in options other than EOL and NOP.
+ */
+#define	IPOPT_OPTVAL		0		/* option ID */
+#define	IPOPT_OLEN		1		/* option length */
+#define IPOPT_OFFSET		2		/* offset within option */
+#define	IPOPT_MINOFF		4		/* min value of above */
+
+/*
+ * Time stamp option structure.
+ */
+struct	ip_timestamp {
+	u_int8_t	ipt_code;	/* IPOPT_TS */
+	u_int8_t	ipt_len;	/* size of structure (variable) */
+	u_int8_t	ipt_ptr;	/* index of current entry */
+	u_int8_t	ipt_oflwflg;	/* flags, overflow counter */
+#define IPTS_OFLW(ip)	(((ipt)->ipt_oflwflg & 0xf0) >> 4)
+#define IPTS_FLG(ip)	((ipt)->ipt_oflwflg & 0x0f)
+	union ipt_timestamp {
+		u_int32_t ipt_time[1];
+		struct	ipt_ta {
+			struct in_addr ipt_addr;
+			u_int32_t ipt_time;
+		} ipt_ta[1];
+	} ipt_timestamp;
+};
+
+/* flag bits for ipt_flg */
+#define	IPOPT_TS_TSONLY		0		/* timestamps only */
+#define	IPOPT_TS_TSANDADDR	1		/* timestamps and addresses */
+#define	IPOPT_TS_PRESPEC	3		/* specified modules only */
+
+/* bits for security (not byte swapped) */
+#define	IPOPT_SECUR_UNCLASS	0x0000
+#define	IPOPT_SECUR_CONFID	0xf135
+#define	IPOPT_SECUR_EFTO	0x789a
+#define	IPOPT_SECUR_MMMM	0xbc4d
+#define	IPOPT_SECUR_RESTR	0xaf13
+#define	IPOPT_SECUR_SECRET	0xd788
+#define	IPOPT_SECUR_TOPSECRET	0x6bc5
+
+/*
+ * Internet implementation parameters.
+ */
+#define	MAXTTL		255		/* maximum time to live (seconds) */
+#define	IPDEFTTL	64		/* default ttl, from RFC 1340 */
+#define	IPFRAGTTL	60		/* time to live for frags, slowhz */
+#define	IPTTLDEC	1		/* subtracted when forwarding */
+
+#define	IP_MSS		576		/* default maximum segment size */

options.c

@@ -10,8 +10,9 @@
 #include <stdlib.h>
 #include <unistd.h>
 
-#include <net/if.h>
 #include <sys/ioctl.h>
+#include <sys/socket.h>
+#include <net/if.h>
 
 #include "iftop.h"
 #include "options.h"

tcp.h

@@ -0,0 +1,80 @@
+/* @(#) $Header$ (LBL) */
+/*
+ * Copyright (c) 1982, 1986, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ *	@(#)tcp.h	8.1 (Berkeley) 6/10/93
+ */
+
+typedef	u_int32_t	tcp_seq;
+/*
+ * TCP header.
+ * Per RFC 793, September, 1981.
+ */
+struct tcphdr {
+	u_int16_t	th_sport;		/* source port */
+	u_int16_t	th_dport;		/* destination port */
+	tcp_seq		th_seq;			/* sequence number */
+	tcp_seq		th_ack;			/* acknowledgement number */
+	u_int8_t	th_offx2;		/* data offset, rsvd */
+#define TH_OFF(th)	(((th)->th_offx2 & 0xf0) >> 4)
+	u_int8_t	th_flags;
+#define	TH_FIN	0x01
+#define	TH_SYN	0x02
+#define	TH_RST	0x04
+#define	TH_PUSH	0x08
+#define	TH_ACK	0x10
+#define	TH_URG	0x20
+#define TH_ECNECHO	0x40	/* ECN Echo */
+#define TH_CWR		0x80	/* ECN Cwnd Reduced */
+	u_int16_t	th_win;			/* window */
+	u_int16_t	th_sum;			/* checksum */
+	u_int16_t	th_urp;			/* urgent pointer */
+};
+
+#define	TCPOPT_EOL		0
+#define	TCPOPT_NOP		1
+#define	TCPOPT_MAXSEG		2
+#define    TCPOLEN_MAXSEG		4
+#define	TCPOPT_WSCALE		3	/* window scale factor (rfc1323) */
+#define	TCPOPT_SACKOK		4	/* selective ack ok (rfc2018) */
+#define	TCPOPT_SACK		5	/* selective ack (rfc2018) */
+#define	TCPOPT_ECHO		6	/* echo (rfc1072) */
+#define	TCPOPT_ECHOREPLY	7	/* echo (rfc1072) */
+#define TCPOPT_TIMESTAMP	8	/* timestamp (rfc1323) */
+#define    TCPOLEN_TIMESTAMP		10
+#define    TCPOLEN_TSTAMP_APPA		(TCPOLEN_TIMESTAMP+2) /* appendix A */
+#define TCPOPT_CC		11	/* T/TCP CC options (rfc1644) */
+#define TCPOPT_CCNEW		12	/* T/TCP CC options (rfc1644) */
+#define TCPOPT_CCECHO		13	/* T/TCP CC options (rfc1644) */
+
+#define TCPOPT_TSTAMP_HDR	\
+    (TCPOPT_NOP<<24|TCPOPT_NOP<<16|TCPOPT_TIMESTAMP<<8|TCPOLEN_TIMESTAMP)