[unix-history] / usr / src / usr.bin / netstat / inet.c

#ifndef lint
static char sccsid[] = "@(#)inet.c	4.18 (Berkeley) 84/10/31";
#endif

#include <sys/types.h>
#include <sys/socket.h>
#include <sys/socketvar.h>
#include <sys/mbuf.h>
#include <sys/protosw.h>

#include <net/route.h>
#include <netinet/in.h>
#include <netinet/in_systm.h>
#include <netinet/in_pcb.h>
#include <netinet/ip.h>
#include <netinet/ip_icmp.h>
#include <netinet/icmp_var.h>
#include <netinet/ip_var.h>
#include <netinet/tcp.h>
#include <netinet/tcpip.h>
#include <netinet/tcp_seq.h>
#define TCPSTATES
#include <netinet/tcp_fsm.h>
#include <netinet/tcp_timer.h>
#include <netinet/tcp_var.h>
#include <netinet/tcp_debug.h>
#include <netinet/udp.h>
#include <netinet/udp_var.h>

#include <netdb.h>

struct	inpcb inpcb;
struct	tcpcb tcpcb;
struct	socket socket;
struct	protosw proto;
extern	int kmem;
extern	int Aflag;
extern	int aflag;
extern	int nflag;

static	int first = 1;
char	*inetname();

/*
 * Print a summary of connections related to an Internet
 * protocol.  For TCP, also give state of connection.
 * Listening processes (aflag) are suppressed unless the
 * -a (all) flag is specified.
 */
protopr(off, name)
	off_t off;
	char *name;
{
	struct inpcb cb;
	register struct inpcb *prev, *next;
	int istcp;

	if (off == 0) {
		printf("%s control block: symbol not in namelist\n", name);
		return;
	}
	istcp = strcmp(name, "tcp") == 0;
	klseek(kmem, off, 0);
	read(kmem, &cb, sizeof (struct inpcb));
	inpcb = cb;
	prev = (struct inpcb *)off;
	if (first) {
		printf("Active connections");
		if (aflag)
			printf(" (including servers)");
		putchar('\n');
		if (Aflag)
			printf("%-8.8s ", "PCB");
		printf(Aflag ? "%-5.5s %-6.6s %-6.6s  %-18.18s %-18.18s %s\n" :
			"%-5.5s %-6.6s %-6.6s  %-22.22s %-22.22s %s\n",
			"Proto", "Recv-Q", "Send-Q",
			"Local Address", "Foreign Address", "(state)");
		first = 0;
	}
	while (inpcb.inp_next != (struct inpcb *)off) {
		char *cp;

		next = inpcb.inp_next;
		klseek(kmem, (off_t)next, 0);
		read(kmem, &inpcb, sizeof (inpcb));
		if (inpcb.inp_prev != prev) {
			printf("???\n");
			break;
		}
		if (!aflag &&
		  inet_lnaof(inpcb.inp_laddr.s_addr) == INADDR_ANY) {
			prev = next;
			continue;
		}
		klseek(kmem, (off_t)inpcb.inp_socket, 0);
		read(kmem, &socket, sizeof (socket));
		if (istcp) {
			klseek(kmem, (off_t)inpcb.inp_ppcb, 0);
			read(kmem, &tcpcb, sizeof (tcpcb));
		}
		if (Aflag)
			printf("%8x ", inpcb.inp_ppcb);
		printf("%-5.5s %6d %6d ", name, socket.so_rcv.sb_cc,
			socket.so_snd.sb_cc);
		inetprint(&inpcb.inp_laddr, inpcb.inp_lport, name);
		inetprint(&inpcb.inp_faddr, inpcb.inp_fport, name);
		if (istcp) {
			if (tcpcb.t_state < 0 || tcpcb.t_state >= TCP_NSTATES)
				printf(" %d", tcpcb.t_state);
			else
				printf(" %s", tcpstates[tcpcb.t_state]);
		}
		putchar('\n');
		prev = next;
	}
}

/*
 * Dump TCP statistics structure.
 */
tcp_stats(off, name)
	off_t off;
	char *name;
{
	struct tcpstat tcpstat;

	if (off == 0) {
		printf("%sstat: symbol not in namelist\n", name);
		return;
	}
	klseek(kmem, off, 0);
	read(kmem, (char *)&tcpstat, sizeof (tcpstat));
	printf("%s:\n\t%d bad header checksum%s\n", name,
		tcpstat.tcps_badsum, plural(tcpstat.tcps_badsum));
	printf("\t%d bad header offset field%s\n",
		tcpstat.tcps_badoff, plural(tcpstat.tcps_badoff));
	printf("\t%d incomplete header%s\n",
		tcpstat.tcps_hdrops, plural(tcpstat.tcps_hdrops));
#ifdef notdef
	printf("\t%d bad segment%s\n",
		tcpstat.tcps_badsegs, plural(tcpstat.badsegs));
	printf("\t%d unacknowledged packet%s\n",
		tcpstat.tcps_unack, plural(tcpstat.tcps_unack));
#endif
}

/*
 * Dump UDP statistics structure.
 */
udp_stats(off, name)
	off_t off;
	char *name;
{
	struct udpstat udpstat;

	if (off == 0) {
		printf("%sstat: symbol not in namelist\n", name);
		return;
	}
	klseek(kmem, off, 0);
	read(kmem, (char *)&udpstat, sizeof (udpstat));
	printf("%s:\n\t%d bad header checksum%s\n", name,
		udpstat.udps_badsum, plural(udpstat.udps_badsum));
	printf("\t%d incomplete header%s\n",
		udpstat.udps_hdrops, plural(udpstat.udps_hdrops));
	printf("\t%d bad data length field%s\n",
		udpstat.udps_badlen, plural(udpstat.udps_badlen));
}

/*
 * Dump IP statistics structure.
 */
ip_stats(off, name)
	off_t off;
	char *name;
{
	struct ipstat ipstat;

	if (off == 0) {
		printf("%sstat: symbol not in namelist\n", name);
		return;
	}
	klseek(kmem, off, 0);
	read(kmem, (char *)&ipstat, sizeof (ipstat));
	printf("%s:\n\t%d bad header checksum%s\n", name,
		ipstat.ips_badsum, plural(ipstat.ips_badsum));
	printf("\t%d with size smaller than minimum\n", ipstat.ips_tooshort);
	printf("\t%d with data size < data length\n", ipstat.ips_toosmall);
	printf("\t%d with header length < data size\n", ipstat.ips_badhlen);
	printf("\t%d with data length < header length\n", ipstat.ips_badlen);
}

static	char *icmpnames[] = {
	"echo reply",
	"#1",
	"#2",
	"destination unreachable",
	"source quench",
	"routing redirect",
	"#6",
	"#7",
	"echo",
	"#9",
	"#10",
	"time exceeded",
	"parameter problem",
	"time stamp",
	"time stamp reply",
	"information request",
	"information request reply"
};

/*
 * Dump ICMP statistics.
 */
icmp_stats(off, name)
	off_t off;
	char *name;
{
	struct icmpstat icmpstat;
	register int i, first;

	if (off == 0) {
		printf("%sstat: symbol not in namelist\n", name);
		return;
	}
	klseek(kmem, off, 0);
	read(kmem, (char *)&icmpstat, sizeof (icmpstat));
	printf("%s:\n\t%d call%s to icmp_error\n", name,
		icmpstat.icps_error, plural(icmpstat.icps_error));
	printf("\t%d error%s not generated 'cuz old message too short\n",
		icmpstat.icps_oldshort, plural(icmpstat.icps_oldshort));
	printf("\t%d error%s not generated 'cuz old message was icmp\n",
		icmpstat.icps_oldicmp, plural(icmpstat.icps_oldicmp));
	for (first = 1, i = 0; i < ICMP_IREQREPLY + 1; i++)
		if (icmpstat.icps_outhist[i] != 0) {
			if (first) {
				printf("\tOutput histogram:\n");
				first = 0;
			}
			printf("\t\t%s: %d\n", icmpnames[i],
				icmpstat.icps_outhist[i]);
		}
	printf("\t%d message%s with bad code fields\n",
		icmpstat.icps_badcode, plural(icmpstat.icps_badcode));
	printf("\t%d message%s < minimum length\n",
		icmpstat.icps_tooshort, plural(icmpstat.icps_tooshort));
	printf("\t%d bad checksum%s\n",
		icmpstat.icps_checksum, plural(icmpstat.icps_checksum));
	printf("\t%d message%s with bad length\n",
		icmpstat.icps_badlen, plural(icmpstat.icps_badlen));
	printf("\t%d message response%s generated\n",
		icmpstat.icps_reflect, plural(icmpstat.icps_reflect));
	for (first = 1, i = 0; i < ICMP_IREQREPLY + 1; i++)
		if (icmpstat.icps_inhist[i] != 0) {
			if (first) {
				printf("\tInput histogram:\n");
				first = 0;
			}
			printf("\t\t%s: %d\n", icmpnames[i],
				icmpstat.icps_inhist[i]);
		}
}

/*
 * Pretty print an Internet address (net address + port).
 * If the nflag was specified, use numbers instead of names.
 */
inetprint(in, port, proto)
	register struct in_addr *in;
	int port;
	char *proto;
{
	struct servent *sp = 0;
	char line[80], *cp, *index();
	int width;

	sprintf(line, "%.*s.", Aflag ? 10 : 16, inetname(*in));
	cp = index(line, '\0');
	if (!nflag && port)
		sp = getservbyport(port, proto);
	if (sp || port == 0)
		sprintf(cp, "%.8s", sp ? sp->s_name : "*");
	else
		sprintf(cp, "%d", ntohs((u_short)port));
	width = Aflag ? 18 : 22;
	printf(" %-*.*s", width, width, line);
}

/*
 * Construct an Internet address representation.
 * If the nflag has been supplied, give 
 * numeric value, otherwise try for symbolic name.
 */
char *
inetname(in)
	struct in_addr in;
{
	char *cp = 0;
	static char line[50];
	struct hostent *hp;
	struct netent *np;

	if (!nflag && in.s_addr != INADDR_ANY) {
		int net = inet_netof(in), subnet = inet_subnetof(in);
		int lna = inet_lnaof(in);

		if (lna == INADDR_ANY) {
			np = getnetbyaddr(net, AF_INET);
			if (np)
				cp = np->n_name;
		} else if (subnet != net && (lna & 0xff) == 0 &&
		    (np = getnetbyaddr(subnet, AF_INET))) {
			struct in_addr subnaddr, inet_makeaddr();

			subnaddr = inet_makeaddr(subnet, INADDR_ANY);
			if (bcmp(&in, &subnaddr, sizeof (in)) == 0)
				cp = np->n_name;
			else
				goto host;
		} else {
host:
			hp = gethostbyaddr(&in, sizeof (in), AF_INET);
			if (hp)
				cp = hp->h_name;
		}
	}
	if (in.s_addr == INADDR_ANY)
		strcpy(line, "*");
	else if (cp)
		strcpy(line, cp);
	else {
		u_char *ucp = (u_char *)&in;

		sprintf(line, "%u.%u.%u.%u", ucp[0], ucp[1], ucp[2], ucp[3]);
	}
	return (line);
}
Commit	Line	Data
c7fc5288	1	#ifndef lint
f36bd7cf	2	static char sccsid[] = "@(#)inet.c 4.18 (Berkeley) 84/10/31";
c7fc5288 SL	3	#endif
	4
	5	#include <sys/types.h>
	6	#include <sys/socket.h>
	7	#include <sys/socketvar.h>
	8	#include <sys/mbuf.h>
	9	#include <sys/protosw.h>
44906619	10
c7fc5288	11	#include <net/route.h>
44906619 SL	12	#include <netinet/in.h>
	13	#include <netinet/in_systm.h>
	14	#include <netinet/in_pcb.h>
	15	#include <netinet/ip.h>
	16	#include <netinet/ip_icmp.h>
7333c75b	17	#include <netinet/icmp_var.h>
44906619 SL	18	#include <netinet/ip_var.h>
	19	#include <netinet/tcp.h>
	20	#include <netinet/tcpip.h>
	21	#include <netinet/tcp_seq.h>
c7fc5288	22	#define TCPSTATES
44906619 SL	23	#include <netinet/tcp_fsm.h>
	24	#include <netinet/tcp_timer.h>
	25	#include <netinet/tcp_var.h>
	26	#include <netinet/tcp_debug.h>
	27	#include <netinet/udp.h>
	28	#include <netinet/udp_var.h>
	29
c7fc5288 SL	30	#include <netdb.h>
	31
	32	struct inpcb inpcb;
	33	struct tcpcb tcpcb;
	34	struct socket socket;
	35	struct protosw proto;
	36	extern int kmem;
	37	extern int Aflag;
	38	extern int aflag;
	39	extern int nflag;
	40
	41	static int first = 1;
	42	char *inetname();
	43
	44	/*
	45	* Print a summary of connections related to an Internet
	46	* protocol. For TCP, also give state of connection.
	47	* Listening processes (aflag) are suppressed unless the
	48	* -a (all) flag is specified.
	49	*/
	50	protopr(off, name)
	51	off_t off;
	52	char *name;
	53	{
	54	struct inpcb cb;
	55	register struct inpcb prev, next;
	56	int istcp;
	57
	58	if (off == 0) {
	59	printf("%s control block: symbol not in namelist\n", name);
	60	return;
	61	}
	62	istcp = strcmp(name, "tcp") == 0;
	63	klseek(kmem, off, 0);
	64	read(kmem, &cb, sizeof (struct inpcb));
	65	inpcb = cb;
	66	prev = (struct inpcb *)off;
	67	if (first) {
	68	printf("Active connections");
	69	if (aflag)
	70	printf(" (including servers)");
	71	putchar('\n');
	72	if (Aflag)
	73	printf("%-8.8s ", "PCB");
f36bd7cf MK	74	printf(Aflag ? "%-5.5s %-6.6s %-6.6s %-18.18s %-18.18s %s\n" :
f36bd7cf MK	75	"%-5.5s %-6.6s %-6.6s %-22.22s %-22.22s %s\n",
c7fc5288 SL	76	"Proto", "Recv-Q", "Send-Q",
	77	"Local Address", "Foreign Address", "(state)");
	78	first = 0;
	79	}
	80	while (inpcb.inp_next != (struct inpcb *)off) {
	81	char *cp;
	82
	83	next = inpcb.inp_next;
	84	klseek(kmem, (off_t)next, 0);
	85	read(kmem, &inpcb, sizeof (inpcb));
	86	if (inpcb.inp_prev != prev) {
	87	printf("???\n");
	88	break;
	89	}
	90	if (!aflag &&
444a708d	91	inet_lnaof(inpcb.inp_laddr.s_addr) == INADDR_ANY) {
c7fc5288 SL	92	prev = next;
	93	continue;
	94	}
	95	klseek(kmem, (off_t)inpcb.inp_socket, 0);
	96	read(kmem, &socket, sizeof (socket));
	97	if (istcp) {
	98	klseek(kmem, (off_t)inpcb.inp_ppcb, 0);
	99	read(kmem, &tcpcb, sizeof (tcpcb));
	100	}
	101	if (Aflag)
	102	printf("%8x ", inpcb.inp_ppcb);
	103	printf("%-5.5s %6d %6d ", name, socket.so_rcv.sb_cc,
	104	socket.so_snd.sb_cc);
	105	inetprint(&inpcb.inp_laddr, inpcb.inp_lport, name);
	106	inetprint(&inpcb.inp_faddr, inpcb.inp_fport, name);
	107	if (istcp) {
	108	if (tcpcb.t_state < 0 \|\| tcpcb.t_state >= TCP_NSTATES)
	109	printf(" %d", tcpcb.t_state);
	110	else
	111	printf(" %s", tcpstates[tcpcb.t_state]);
	112	}
	113	putchar('\n');
	114	prev = next;
	115	}
	116	}
	117
6df0a927 SL	118	/*
	119	* Dump TCP statistics structure.
	120	*/
	121	tcp_stats(off, name)
	122	off_t off;
	123	char *name;
	124	{
	125	struct tcpstat tcpstat;
	126
	127	if (off == 0) {
	128	printf("%sstat: symbol not in namelist\n", name);
	129	return;
	130	}
	131	klseek(kmem, off, 0);
	132	read(kmem, (char *)&tcpstat, sizeof (tcpstat));
d69a747c SL	133	printf("%s:\n\t%d bad header checksum%s\n", name,
	134	tcpstat.tcps_badsum, plural(tcpstat.tcps_badsum));
	135	printf("\t%d bad header offset field%s\n",
	136	tcpstat.tcps_badoff, plural(tcpstat.tcps_badoff));
	137	printf("\t%d incomplete header%s\n",
	138	tcpstat.tcps_hdrops, plural(tcpstat.tcps_hdrops));
6df0a927	139	#ifdef notdef
d69a747c SL	140	printf("\t%d bad segment%s\n",
	141	tcpstat.tcps_badsegs, plural(tcpstat.badsegs));
	142	printf("\t%d unacknowledged packet%s\n",
	143	tcpstat.tcps_unack, plural(tcpstat.tcps_unack));
6df0a927 SL	144	#endif
	145	}
	146
	147	/*
	148	* Dump UDP statistics structure.
	149	*/
	150	udp_stats(off, name)
	151	off_t off;
	152	char *name;
	153	{
	154	struct udpstat udpstat;
	155
	156	if (off == 0) {
	157	printf("%sstat: symbol not in namelist\n", name);
	158	return;
	159	}
	160	klseek(kmem, off, 0);
	161	read(kmem, (char *)&udpstat, sizeof (udpstat));
d69a747c SL	162	printf("%s:\n\t%d bad header checksum%s\n", name,
	163	udpstat.udps_badsum, plural(udpstat.udps_badsum));
	164	printf("\t%d incomplete header%s\n",
	165	udpstat.udps_hdrops, plural(udpstat.udps_hdrops));
	166	printf("\t%d bad data length field%s\n",
	167	udpstat.udps_badlen, plural(udpstat.udps_badlen));
6df0a927 SL	168	}
	169
	170	/*
	171	* Dump IP statistics structure.
	172	*/
	173	ip_stats(off, name)
	174	off_t off;
	175	char *name;
	176	{
	177	struct ipstat ipstat;
	178
	179	if (off == 0) {
	180	printf("%sstat: symbol not in namelist\n", name);
	181	return;
	182	}
	183	klseek(kmem, off, 0);
	184	read(kmem, (char *)&ipstat, sizeof (ipstat));
d69a747c SL	185	printf("%s:\n\t%d bad header checksum%s\n", name,
	186	ipstat.ips_badsum, plural(ipstat.ips_badsum));
	187	printf("\t%d with size smaller than minimum\n", ipstat.ips_tooshort);
	188	printf("\t%d with data size < data length\n", ipstat.ips_toosmall);
	189	printf("\t%d with header length < data size\n", ipstat.ips_badhlen);
	190	printf("\t%d with data length < header length\n", ipstat.ips_badlen);
6df0a927 SL	191	}
6df0a927 SL	192
7333c75b SL	193	static char *icmpnames[] = {
	194	"echo reply",
	195	"#1",
	196	"#2",
	197	"destination unreachable",
	198	"source quench",
	199	"routing redirect",
	200	"#6",
	201	"#7",
	202	"echo",
	203	"#9",
	204	"#10",
	205	"time exceeded",
	206	"parameter problem",
	207	"time stamp",
	208	"time stamp reply",
	209	"information request",
	210	"information request reply"
	211	};
	212
	213	/*
	214	* Dump ICMP statistics.
	215	*/
	216	icmp_stats(off, name)
	217	off_t off;
	218	char *name;
	219	{
	220	struct icmpstat icmpstat;
	221	register int i, first;
	222
	223	if (off == 0) {
	224	printf("%sstat: symbol not in namelist\n", name);
	225	return;
	226	}
	227	klseek(kmem, off, 0);
	228	read(kmem, (char *)&icmpstat, sizeof (icmpstat));
d69a747c SL	229	printf("%s:\n\t%d call%s to icmp_error\n", name,
	230	icmpstat.icps_error, plural(icmpstat.icps_error));
	231	printf("\t%d error%s not generated 'cuz old message too short\n",
	232	icmpstat.icps_oldshort, plural(icmpstat.icps_oldshort));
	233	printf("\t%d error%s not generated 'cuz old message was icmp\n",
	234	icmpstat.icps_oldicmp, plural(icmpstat.icps_oldicmp));
94ff35a7	235	for (first = 1, i = 0; i < ICMP_IREQREPLY + 1; i++)
7333c75b SL	236	if (icmpstat.icps_outhist[i] != 0) {
	237	if (first) {
	238	printf("\tOutput histogram:\n");
	239	first = 0;
	240	}
	241	printf("\t\t%s: %d\n", icmpnames[i],
	242	icmpstat.icps_outhist[i]);
	243	}
bdf25b53 SL	244	printf("\t%d message%s with bad code fields\n",
bdf25b53 SL	245	icmpstat.icps_badcode, plural(icmpstat.icps_badcode));
d69a747c SL	246	printf("\t%d message%s < minimum length\n",
d69a747c SL	247	icmpstat.icps_tooshort, plural(icmpstat.icps_tooshort));
4fbbc6d9 SL	248	printf("\t%d bad checksum%s\n",
4fbbc6d9 SL	249	icmpstat.icps_checksum, plural(icmpstat.icps_checksum));
d69a747c SL	250	printf("\t%d message%s with bad length\n",
	251	icmpstat.icps_badlen, plural(icmpstat.icps_badlen));
	252	printf("\t%d message response%s generated\n",
	253	icmpstat.icps_reflect, plural(icmpstat.icps_reflect));
94ff35a7	254	for (first = 1, i = 0; i < ICMP_IREQREPLY + 1; i++)
7333c75b SL	255	if (icmpstat.icps_inhist[i] != 0) {
	256	if (first) {
	257	printf("\tInput histogram:\n");
	258	first = 0;
	259	}
	260	printf("\t\t%s: %d\n", icmpnames[i],
	261	icmpstat.icps_inhist[i]);
	262	}
	263	}
	264
c7fc5288 SL	265	/*
	266	* Pretty print an Internet address (net address + port).
	267	* If the nflag was specified, use numbers instead of names.
	268	*/
	269	inetprint(in, port, proto)
	270	register struct in_addr *in;
	271	int port;
	272	char *proto;
	273	{
	274	struct servent *sp = 0;
	275	char line[80], cp, index();
f36bd7cf	276	int width;
c7fc5288	277
f36bd7cf	278	sprintf(line, "%.s.", Aflag ? 10 : 16, inetname(in));
c7fc5288	279	cp = index(line, '\0');
c7fc5288	280	if (!nflag && port)
9bce7b73	281	sp = getservbyport(port, proto);
c7fc5288 SL	282	if (sp \|\| port == 0)
	283	sprintf(cp, "%.8s", sp ? sp->s_name : "*");
	284	else
1f34f70d	285	sprintf(cp, "%d", ntohs((u_short)port));
f36bd7cf MK	286	width = Aflag ? 18 : 22;
f36bd7cf MK	287	printf(" %-.s", width, width, line);
c7fc5288 SL	288	}
c7fc5288 SL	289
c7fc5288 SL	290	/*
	291	* Construct an Internet address representation.
	292	* If the nflag has been supplied, give
	293	* numeric value, otherwise try for symbolic name.
	294	*/
	295	char *
	296	inetname(in)
	297	struct in_addr in;
	298	{
	299	char *cp = 0;
	300	static char line[50];
f6d7bbb7 MK	301	struct hostent *hp;
f6d7bbb7 MK	302	struct netent *np;
c7fc5288	303
227faf58	304	if (!nflag && in.s_addr != INADDR_ANY) {
40f48772	305	int net = inet_netof(in), subnet = inet_subnetof(in);
f6d7bbb7	306	int lna = inet_lnaof(in);
227faf58	307
f6d7bbb7	308	if (lna == INADDR_ANY) {
40f48772	309	np = getnetbyaddr(net, AF_INET);
c7fc5288 SL	310	if (np)
c7fc5288 SL	311	cp = np->n_name;
227faf58	312	} else if (subnet != net && (lna & 0xff) == 0 &&
f6d7bbb7 MK	313	(np = getnetbyaddr(subnet, AF_INET))) {
f6d7bbb7 MK	314	struct in_addr subnaddr, inet_makeaddr();
227faf58	315
f6d7bbb7	316	subnaddr = inet_makeaddr(subnet, INADDR_ANY);
227faf58	317	if (bcmp(&in, &subnaddr, sizeof (in)) == 0)
f6d7bbb7 MK	318	cp = np->n_name;
	319	else
	320	goto host;
c7fc5288	321	} else {
f6d7bbb7	322	host:
227faf58	323	hp = gethostbyaddr(&in, sizeof (in), AF_INET);
c7fc5288 SL	324	if (hp)
	325	cp = hp->h_name;
	326	}
	327	}
	328	if (in.s_addr == INADDR_ANY)
	329	strcpy(line, "*");
	330	else if (cp)
	331	strcpy(line, cp);
	332	else {
	333	u_char ucp = (u_char )&in;
227faf58	334
c7fc5288 SL	335	sprintf(line, "%u.%u.%u.%u", ucp[0], ucp[1], ucp[2], ucp[3]);
	336	}
	337	return (line);
	338	}