File iputils-ss021109-ping6_getaddrinfo.patch of Package iputils

--- ping6.c	2006-11-15 17:05:29.000000000 +0900
+++ ping6.c	2006-11-22 18:50:58.000000000 +0900
@@ -196,6 +196,7 @@ int main(int argc, char *argv[])
 	int socket_errno;
 	struct icmp6_filter filter;
 	int err, csum_offset, sz_opt;
+	struct addrinfo hints, *res0;
 
 	icmp_sock = socket(AF_INET6, SOCK_RAW, IPPROTO_ICMPV6);
 	socket_errno = errno;
@@ -211,6 +212,11 @@ int main(int argc, char *argv[])
 	memset(&firsthop, 0, sizeof(firsthop));
 	firsthop.sin6_family = AF_INET6;
 
+	memset(&hints, 0, sizeof(hints));
+	hints.ai_family = AF_INET6;
+	hints.ai_socktype = SOCK_RAW;
+	hints.ai_protocol = IPPROTO_ICMPV6;
+
 	preload = 1;
 	while ((ch = getopt(argc, argv, COMMON_OPTSTR "F:")) != EOF) {
 		switch(ch) {
@@ -291,16 +297,20 @@ int main(int argc, char *argv[])
 		}
 
 		if (inet_pton(AF_INET6, target, &addr) <= 0) {
-			struct hostent *hp;
-
-			hp = gethostbyname2(target, AF_INET6);
-
-			if (hp == NULL)	{
+			err = getaddrinfo(target, NULL, &hints, &res0);
+			if (err) {
 				fprintf(stderr, "unknown host %s\n", target);
 				exit(2);
 			}
+			if (res0->ai_addrlen > sizeof(struct sockaddr_in6)) {
+				fprintf(stderr, "address length is too long\n");
+				exit(2);
+			}
 
-			memcpy(&addr, hp->h_addr_list[0], 16);
+			addr=((struct sockaddr_in6 *)res0->ai_addr)->sin6_addr;
+			if (ipv6_addr_any(&firsthop.sin6_addr))
+				memcpy(&firsthop, res0->ai_addr, res0->ai_addrlen);
+			freeaddrinfo(res0);
 		}
 
 		inet6_srcrt_add(srcrt, &addr);
@@ -328,16 +338,20 @@ int main(int argc, char *argv[])
 	}
 
 	if (inet_pton(AF_INET6, target, &whereto.sin6_addr) <= 0) {
-		struct hostent *hp;
-
-		hp = gethostbyname2(target, AF_INET6);
-
-		if (hp == NULL) {
+		err = getaddrinfo(target, NULL, &hints, &res0);
+		if (err) {
 			fprintf(stderr, "unknown host\n");
 			exit(2);
 		}
+		if (res0->ai_addrlen > sizeof(struct sockaddr_in6)) {
+			fprintf(stderr, "address length is too long\n");
+			exit(2);
+		}
 		
-		memcpy(&whereto.sin6_addr, hp->h_addr_list[0], 16);
+		memcpy(&whereto, res0->ai_addr, res0->ai_addrlen);
+		if (ipv6_addr_any(&firsthop.sin6_addr)) 
+			memcpy(&firsthop, res0->ai_addr, res0->ai_addrlen);
+		freeaddrinfo(res0);
 	} else {
 		options |= F_NUMERIC;
 	}