- Support IPv6

PR:		ports/77608
Submitted by:	Vladimir Kotal <vlada@devnull.cz>
Approved by:	maintainer timeout (5 months)

3 files changed, 318 insertions, 10 deletions

diff --git a/dns/nsping/Makefile b/dns/nsping/Makefile
index 52a9cc91c3aa..d1f30893decf 100644
--- a/dns/nsping/Makefile
+++ b/dns/nsping/Makefile
@@ -7,7 +7,7 @@
 
 PORTNAME=	nsping
 PORTVERSION=	0.8
-PORTREVISION=	1
+PORTREVISION=	2
 CATEGORIES=	dns
 MASTER_SITES=	${MASTER_SITE_LOCAL}
 MASTER_SITE_SUBDIR=	roam
diff --git a/dns/nsping/files/patch-ab b/dns/nsping/files/patch-ab
index aa9c1ecbf014..af236cb2ce22 100644
--- a/dns/nsping/files/patch-ab
+++ b/dns/nsping/files/patch-ab
@@ -1,5 +1,5 @@
---- nsping.c.orig	Wed Nov 26 09:11:39 1997
-+++ nsping.c	Tue Jan 25 15:04:41 2005
+--- nsping.c.orig	Wed Jul 20 15:23:29 2005
++++ nsping.c	Wed Feb 16 10:41:04 2005
 @@ -14,6 +14,9 @@
  #include <stdarg.h>
  #include <assert.h>
@@ -10,7 +10,93 @@
  /* store state on sent queries */
  
  struct nsq {
-@@ -189,10 +192,14 @@
+@@ -26,8 +29,17 @@
+  * too much stuff through globals. Sorry.
+  */
+ 
++#if 0
+ u_int32_t Target_Address 	= INADDR_NONE;
++#endif
++struct in_addr 		sin_addr; /* XXX = INADDR_NONE; */
++struct in6_addr 	sin6_addr; /* XXX = ; IN6ADDR_ANY_INIT */
++#if 0
+ u_int16_t Target_Port 	= DNS_PORT;
++#endif
++char *Target_Port	= NULL;
++char addr_string[255];
++struct addrinfo		*ainfo;
+ char *Zone 		= NULL;
+ char *Hostname 		= NULL;
+ 
+@@ -55,7 +67,7 @@
+ 	struct timeval *tvp;
+ 	struct itimerval itv;
+ 	u_int32_t address = INADDR_ANY;
+-	u_int32_t port = getpid() + 1024;
++	char Local_Port[6]; 
+ 	char *timearg = NULL;
+ 	char c;
+ 	int i;
+@@ -65,6 +77,10 @@
+ 		Queries[i].found = 1;
+ 	}
+ 
++	Target_Port = xstrdup(DNS_PORT);
++	/* XXX check for result */
++ 	snprintf(Local_Port, sizeof(Local_Port), "%d", getpid() + 1024);
++
+ #define OPTS "z:h:t:p:dP:a:c:T:rR"
+ 
+ 	while((c = getopt(argc, argv, OPTS)) != EOF) {
+@@ -105,15 +121,17 @@
+ 			break;			
+ 
+ 		case 'p':
+-			Target_Port = atoi(optarg);
++			Target_Port = xstrdup(optarg);
+ 			break;
+ 
+ 		case 'P':
+-			port = atoi(optarg);
++			strncpy(Local_Port, optarg, sizeof(Local_Port));
+ 			break;
+ 
+ 		case 'a':
+-			address = resolve(optarg);
++#if 0
++			address = resolve(optarg, port);
++#endif
+ 			if(address == INADDR_NONE) {
+ 				fprintf(stderr, "Unable to resolve local address.\n");
+ 				exit(1);
+@@ -135,7 +153,7 @@
+ 		exit(1);
+ 	}
+ 
+-	if((Target_Address = resolve(*argv)) == INADDR_NONE) {
++	if ((ainfo = resolve(*argv, Target_Port)) == 0) {
+ 		fprintf(stderr, "Unable to resolve target server address.\n");
+ 		fprintf(stderr, "Fatal error, exiting.\n");
+ 		exit(1);
+@@ -147,7 +165,7 @@
+ 	       	exit(1);
+ 	}
+ 
+-	if((Sockfd = bind_udp_socket(address, port)) < 0) {
++	if((Sockfd = bind_udp_socket(Local_Port)) < 0) {
+ 		fprintf(stderr, "Fatal error, exiting.\n");
+ 		exit(1);
+ 	}
+@@ -167,7 +185,7 @@
+ 	/* start the fun */
+ 
+ 	printf("NSPING %s (%s): %s = \"%s\", Type = \"IN %s\"\n",
+-			*argv, addr_string(Target_Address), 
++			*argv, addr_string,
+ 			Hostname ? "Hostname" : "Domain",
+ 			Hostname ? Hostname : Zone,
+ 			type_int2string(Type));
+@@ -189,10 +207,14 @@
  
  int guess_zone() {
  	char lhn[MAXDNAME];
@@ -25,7 +111,17 @@
  
  	cp = strchr(lhn, '.');
  	if(!cp || !(*(++cp)))
-@@ -268,8 +275,10 @@
+@@ -261,15 +283,19 @@
+ 	static int Start = 0;
+ 	static int Pos    = 0;      
+ 
+-	struct sockaddr_in si;
++#if 0
++	struct sockaddr_storage si;
++#endif
+ 	int l;
+ 	int id;
+ 	u_char *qp;
  
  	signal(SIGALRM, probe);
  
@@ -38,8 +134,15 @@
  
  	/* we're overwriting state from a query we never got a response
  	 * to, so at least note that we missed it.
-@@ -285,7 +294,8 @@
+@@ -278,18 +304,16 @@
+ 	if(!Queries[Pos].found)
+ 		Missed++;
  
+-	memset(&si, 0, sizeof(si));
+-	si.sin_addr.s_addr = Target_Address;
+-	si.sin_port = htons(Target_Port);
+-	si.sin_family = AF_INET;
+-
  	/* get the DNS request */
  
 -	l = dns_packet(&qp, Start + Sent);
@@ -48,7 +151,14 @@
  
  	do {
  		if(sendto(Sockfd, qp, l, 0, 
-@@ -299,7 +309,7 @@
+-			(struct sockaddr *)&si, sizeof(si)) < 0) {
++			(struct sockaddr *)ainfo->ai_addr, 
++			ainfo->ai_addrlen) < 0) {
++
+ 			if(errno != EINTR) {		
+ 				perror("sendto");
+ 				return;
+@@ -299,7 +323,7 @@
  
  	/* if it was sent successfully, update state */
  
@@ -57,7 +167,34 @@
  	gettimeofday(&Queries[Pos].sent, NULL);
  	Queries[Pos].found = 0;
  
-@@ -420,7 +430,7 @@
+@@ -361,7 +385,10 @@
+ 
+ void handle_incoming() {
+ 	u_char buffer[1024];
++#if 0
+ 	struct sockaddr_in si;
++#endif
++	struct sockaddr_storage si;
+ 	int sil = sizeof(si);
+ 	int l;
+ 
+@@ -378,6 +405,7 @@
+ 
+ 		/* descriminate real responses from spurious crud */
+ 
++#if 0
+ 		if(si.sin_addr.s_addr != Target_Address) {
+ 			dprintf("Received packet from unexpected address %s.\n",
+ 				inet_ntoa(si.sin_addr));
+@@ -389,6 +417,7 @@
+ 				ntohs(si.sin_port));
+ 			continue;
+ 		}
++#endif
+ 
+ 		if(l < sizeof(HEADER)) {
+ 			dprintf("Short packet.\n");
+@@ -420,7 +449,7 @@
  	double triptime;
  
  	if(!Start)
@@ -66,7 +203,7 @@
  
  	gettimeofday(&tv, NULL);
  
-@@ -437,8 +447,9 @@
+@@ -437,8 +466,9 @@
  		Queries[i].found = 1;	
  
  	/* figure out which query this was, using the DNS query ID */
@@ -77,7 +214,153 @@
  	
  	/* figure out how long it took */
  
-@@ -679,9 +690,7 @@
+@@ -494,7 +524,7 @@
+ 	       hp->rcode == NOERROR ? "+" : "-",
+ 	       delta,
+ 	       l, 
+-	       addr_string(Target_Address),
++	       addr_string,
+ 	       triptime,
+ 	       delta ? Ave : 0.0);
+ 
+@@ -512,6 +542,9 @@
+ 	       "Ave/Max/Min: %8.3f / %8.3f / %8.3f\n",
+ 	       Sent, Count, Missed ? Missed : Sent - Count, Lagged, Ave, Max, Min);
+ 
++#if 0
++	freeaddrinfo();
++#endif
+ 	exit(0);
+ }
+ 
+@@ -555,18 +588,6 @@
+ 
+ /* -------------------------------------------------------------------------- */
+ 
+-/* binary address -> dotted quad string */
+-
+-char *addr_string(u_int32_t address) {
+-	static char as[20];
+-	u_char *cp = (u_char *) &address;
+-
+-	sprintf(as, "%d.%d.%d.%d", cp[0], cp[1], cp[2], cp[3]);
+-	return(as);
+-}
+-
+-/* -------------------------------------------------------------------------- */
+-
+ /* map integer type codes to names, v/vrsa. Add new types here if you must. */
+ 
+ struct type2str {
+@@ -625,22 +646,40 @@
+ 
+ /* return a bound UDP socket */
+ 
+-int bind_udp_socket(u_int32_t address, u_int16_t port) {
+-	struct sockaddr_in si;
++int bind_udp_socket(char *port) {
+ 	int sockfd;
+-	
+-	sockfd = socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP);
+-	if(sockfd < 0) {
++	char str[255];
++
++	struct sockaddr_storage sss;
++	struct in6_addr anyaddr = IN6ADDR_ANY_INIT;
++	socklen_t               addrlen;
++
++	sockfd = socket(ainfo->ai_family, ainfo->ai_socktype,
++	                ainfo->ai_protocol);
++	if (sockfd < 0) {
+ 		perror("socket");
+ 		return(-1);
+ 	}
+ 
+-	memset(&si, 0, sizeof(si));
+-	si.sin_addr.s_addr = address;
+-	si.sin_port = htons(port);
+-	si.sin_family = AF_INET;
++	memset(&sss, 0, sizeof(sss));
++	switch (ainfo->ai_family) {
++	    case AF_INET:
++		(((struct sockaddr_in *)(&sss))->sin_addr).s_addr = INADDR_ANY;
++		((struct sockaddr_in *)(&sss))->sin_port = htons(atoi(port));
++		((struct sockaddr_in *)(&sss))->sin_family = AF_INET;
++		addrlen = sizeof(struct sockaddr_in);
++	    	break;
++
++	    case AF_INET6:
++		((struct sockaddr_in6 *)(&sss))->sin6_addr = anyaddr;
++		((struct sockaddr_in6 *)(&sss))->sin6_port = htons(atoi(port)); 
++		((struct sockaddr_in6 *)(&sss))->sin6_family = AF_INET6;
++		addrlen = sizeof(struct sockaddr_in6);
++	    	break;
++	}
+ 
+-	if(bind(sockfd, (struct sockaddr *)&si, sizeof(si)) < 0) {
++	if(bind(sockfd, (struct sockaddr *)&sss, addrlen) < 0) 
++	{
+ 		perror("bind");
+ 		return(-1);
+ 	}
+@@ -652,19 +691,45 @@
+ 
+ /* wrap hostname resolution */
+ 
+-u_int32_t resolve(char *name) {
+-	u_long addr;
+-
+-	addr = inet_addr(name);
+-	if(addr == INADDR_NONE) {
+-		struct hostent *hp = gethostbyname(name);
+-		if(!hp)
+-			return(INADDR_NONE);
+-
+-		memcpy(&addr, hp->h_addr, 4);
++struct addrinfo* resolve(char *name, char *port) { 
++	struct addrinfo hints, *res, *res0;
++    	int error;
++        const char *cause = NULL;
++
++	memset(&hints, 0, sizeof(hints));
++    	hints.ai_family = PF_UNSPEC;
++      	hints.ai_socktype = SOCK_DGRAM;
++        error = getaddrinfo(name, port, &hints, &res0);
++	if (error) {
++	  errx(1, "%s", gai_strerror(error));
++	  return(NULL);
++	}
++
++	res = res0;
++	switch (res->ai_family) {
++	    case AF_INET:
++#if 0
++		sin_addr = (struct 
++#endif
++		inet_ntop(res->ai_family, 
++			&(((struct sockaddr_in *)(res->ai_addr))->sin_addr),
++			addr_string, sizeof(addr_string));
++		printf("%s\n", addr_string);
++	    	break;
++	    case AF_INET6:
++#if 0
++		sin6_addr = 
++#endif
++		inet_ntop(res->ai_family, 
++			&(((struct sockaddr_in6 *)(res->ai_addr))->sin6_addr),
++			addr_string, sizeof(addr_string));
++	    	break;
++	    default:
++	    	return(NULL);
++		break;
+ 	}
+ 
+-	return(addr);
++	return(res);
+ }
+ 
+ 
+@@ -679,9 +744,7 @@
  /* -------------------------------------------------------------------------- */
  
   void usage() {
diff --git a/dns/nsping/files/patch-nsping.h b/dns/nsping/files/patch-nsping.h
new file mode 100644
index 000000000000..fc73b5804e87
--- /dev/null
+++ b/dns/nsping/files/patch-nsping.h
@@ -0,0 +1,25 @@
+--- nsping.h.orig	Wed Jul 20 15:23:39 2005
++++ nsping.h	Tue Feb 15 17:29:55 2005
+@@ -27,7 +27,7 @@
+ #endif
+ 
+ #define QUERY_BACKLOG	1024
+-#define DNS_PORT		53
++#define DNS_PORT		"53"
+ #define DEFAULT_SECOND_INTERVAL	1
+ #define DEFAULT_USECOND_INTERVAL	0
+ 
+@@ -40,11 +40,10 @@
+ void summarize(int);
+ double trip_time(struct timeval *send_time, struct timeval *rcv);
+ struct timeval *timeval_subtract(struct timeval *out, struct timeval *in);
+-char *addr_string(u_int32_t address);
+-int bind_udp_socket(u_int32_t address, u_int16_t port);
++int bind_udp_socket(char *port);
+ void dprintf(char *fmt, ...);
+ void usage(void);
+ char *xstrdup(char *v);
+-u_int32_t resolve(char *name);
++struct addrinfo *resolve(char *name, char *port);
+ 
+ #endif