diff -up openssl-1.0.1c/apps/s_apps.h.ipv6-apps openssl-1.0.1c/apps/s_apps.h

--- openssl-1.0.1c/apps/s_apps.h.ipv6-apps	2012-07-11 22:46:02.409221206 +0200

+++ openssl-1.0.1c/apps/s_apps.h	2012-07-11 22:46:02.451222165 +0200

@@ -148,7 +148,7 @@ typedef fd_mask fd_set;

 #define PORT_STR        "4433"

 #define PROTOCOL        "tcp"

-int do_server(int port, int type, int *ret, int (*cb) (char *hostname, int s, unsigned char *context), unsigned char *context);

+int do_server(char *port, int type, int *ret, int (*cb) (char *hostname, int s, unsigned char *context), unsigned char *context);

 #ifdef HEADER_X509_H

 int MS_CALLBACK verify_callback(int ok, X509_STORE_CTX *ctx);

 #endif

@@ -156,10 +156,9 @@ int MS_CALLBACK verify_callback(int ok,

 int set_cert_stuff(SSL_CTX *ctx, char *cert_file, char *key_file);

 int set_cert_key_stuff(SSL_CTX *ctx, X509 *cert, EVP_PKEY *key);

 #endif

-int init_client(int *sock, char *server, int port, int type);

+int init_client(int *sock, char *server, char *port, int type);

 int should_retry(int i);

-int extract_port(char *str, short *port_ptr);

-int extract_host_port(char *str,char **host_ptr,unsigned char *ip,short *p);

+int extract_host_port(char *str,char **host_ptr,char **port_ptr);

 long MS_CALLBACK bio_dump_callback(BIO *bio, int cmd, const char *argp,

 				   int argi, long argl, long ret);

diff -up openssl-1.0.1c/apps/s_client.c.ipv6-apps openssl-1.0.1c/apps/s_client.c

--- openssl-1.0.1c/apps/s_client.c.ipv6-apps	2012-07-11 22:46:02.433221754 +0200

+++ openssl-1.0.1c/apps/s_client.c	2012-07-11 22:46:02.452222187 +0200

@@ -563,7 +563,7 @@ int MAIN(int argc, char **argv)

 	int cbuf_len,cbuf_off;

 	int sbuf_len,sbuf_off;

 	fd_set readfds,writefds;

-	short port=PORT;

+	char *port_str = PORT_STR;

 	int full_log=1;

 	char *host=SSL_HOST_NAME;

 	char *cert_file=NULL,*key_file=NULL;

@@ -664,13 +664,12 @@ int MAIN(int argc, char **argv)

 		else if	(strcmp(*argv,"-port") == 0)

 			{

 			if (--argc < 1) goto bad;

-			port=atoi(*(++argv));

-			if (port == 0) goto bad;

+			port_str= *(++argv);

 			}

 		else if (strcmp(*argv,"-connect") == 0)

 			{

 			if (--argc < 1) goto bad;

-			if (!extract_host_port(*(++argv),&host,NULL,&port))

+			if (!extract_host_port(*(++argv),&host,&port_str))

 				goto bad;

 			}

 		else if	(strcmp(*argv,"-verify") == 0)

@@ -1253,7 +1252,7 @@ bad:

 re_start:

-	if (init_client(&s,host,port,socket_type) == 0)

+	if (init_client(&s,host,port_str,socket_type) == 0)

 		{

 		BIO_printf(bio_err,"connect:errno=%d\n",get_last_socket_error());

 		SHUTDOWN(s);

diff -up openssl-1.0.1c/apps/s_server.c.ipv6-apps openssl-1.0.1c/apps/s_server.c

--- openssl-1.0.1c/apps/s_server.c.ipv6-apps	2012-07-11 22:46:02.434221777 +0200

+++ openssl-1.0.1c/apps/s_server.c	2012-07-11 22:46:02.453222210 +0200

@@ -929,7 +929,7 @@ int MAIN(int argc, char *argv[])

 	{

 	X509_VERIFY_PARAM *vpm = NULL;

 	int badarg = 0;

-	short port=PORT;

+	char *port_str = PORT_STR;

 	char *CApath=NULL,*CAfile=NULL;

 	unsigned char *context = NULL;

 	char *dhfile = NULL;

@@ -1000,8 +1000,7 @@ int MAIN(int argc, char *argv[])

 			 (strcmp(*argv,"-accept") == 0))

 			{

 			if (--argc < 1) goto bad;

-			if (!extract_port(*(++argv),&port))

-				goto bad;

+			port_str= *(++argv);

 			}

 		else if	(strcmp(*argv,"-verify") == 0)

 			{

@@ -1878,9 +1877,9 @@ bad:

 	BIO_printf(bio_s_out,"ACCEPT\n");

 	(void)BIO_flush(bio_s_out);

 	if (www)

-		do_server(port,socket_type,&accept_socket,www_body, context);

+		do_server(port_str,socket_type,&accept_socket,www_body, context);

 	else

-		do_server(port,socket_type,&accept_socket,sv_body, context);

+		do_server(port_str,socket_type,&accept_socket,sv_body, context);

 	print_stats(bio_s_out,ctx);

 	ret=0;

 end:

diff -up openssl-1.0.1c/apps/s_socket.c.ipv6-apps openssl-1.0.1c/apps/s_socket.c

--- openssl-1.0.1c/apps/s_socket.c.ipv6-apps	2011-12-02 15:39:40.000000000 +0100

+++ openssl-1.0.1c/apps/s_socket.c	2012-07-11 22:49:05.411400450 +0200

@@ -102,9 +102,7 @@ static struct hostent *GetHostByName(cha

 static void ssl_sock_cleanup(void);

 #endif

 static int ssl_sock_init(void);

-static int init_client_ip(int *sock,unsigned char ip[4], int port, int type);

-static int init_server(int *sock, int port, int type);

-static int init_server_long(int *sock, int port,char *ip, int type);

+static int init_server(int *sock, char *port, int type);

 static int do_accept(int acc_sock, int *sock, char **host);

 static int host_ip(char *str, unsigned char ip[4]);

@@ -234,57 +232,70 @@ static int ssl_sock_init(void)

 	return(1);

 	}

-int init_client(int *sock, char *host, int port, int type)

+int init_client(int *sock, char *host, char *port, int type)

 	{

-	unsigned char ip[4];

-

-	memset(ip, '\0', sizeof ip);

-	if (!host_ip(host,&(ip[0])))

-		return 0;

-	return init_client_ip(sock,ip,port,type);

-	}

-

-static int init_client_ip(int *sock, unsigned char ip[4], int port, int type)

-	{

-	unsigned long addr;

-	struct sockaddr_in them;

-	int s,i;

+	struct addrinfo *res, *res0, hints;

+	char * failed_call = NULL;

+	int s;

+	int e;

 	if (!ssl_sock_init()) return(0);

-	memset((char *)&them,0,sizeof(them));

-	them.sin_family=AF_INET;

-	them.sin_port=htons((unsigned short)port);

-	addr=(unsigned long)

-		((unsigned long)ip[0]<<24L)|

-		((unsigned long)ip[1]<<16L)|

-		((unsigned long)ip[2]<< 8L)|

-		((unsigned long)ip[3]);

-	them.sin_addr.s_addr=htonl(addr);

-

-	if (type == SOCK_STREAM)

-		s=socket(AF_INET,SOCK_STREAM,SOCKET_PROTOCOL);

-	else /* ( type == SOCK_DGRAM) */

-		s=socket(AF_INET,SOCK_DGRAM,IPPROTO_UDP);

-			

-	if (s == INVALID_SOCKET) { perror("socket"); return(0); }

+	memset(&hints, '\0', sizeof(hints));

+	hints.ai_socktype = type;

+	hints.ai_flags = AI_ADDRCONFIG;

+

+	e = getaddrinfo(host, port, &hints, &res;;

+	if (e)

+	{

+		fprintf(stderr, "getaddrinfo: %s\n", gai_strerror(e));

+		if (e == EAI_SYSTEM)

+			perror("getaddrinfo");

+		return (0);

+		}

+	res0 = res;

+	while (res)

+		{

+		s = socket(res->ai_family, res->ai_socktype, res->ai_protocol);

+		if (s == INVALID_SOCKET)

+			{

+			failed_call = "socket";

+			goto nextres;

+			}

 #if defined(SO_KEEPALIVE) && !defined(OPENSSL_SYS_MPE)

 	if (type == SOCK_STREAM)

 		{

-		i=0;

-		i=setsockopt(s,SOL_SOCKET,SO_KEEPALIVE,(char *)&i,sizeof(i));

-		if (i < 0) { perror("keepalive"); return(0); }

+			int i=0;

+			i=setsockopt(s,SOL_SOCKET,SO_KEEPALIVE,

+				(char *)&i,sizeof(i));

+			if (i < 0) {

+				failed_call = "keepalive";

+				goto nextres;

+				}

 		}

 #endif

-

-	if (connect(s,(struct sockaddr *)&them,sizeof(them)) == -1)

-		{ closesocket(s); perror("connect"); return(0); }

+		if (connect(s,(struct sockaddr *)res->ai_addr,

+			res->ai_addrlen) == 0)

+			{

+			freeaddrinfo(res0);

 	*sock=s;

 	return(1);

 	}

-int do_server(int port, int type, int *ret, int (*cb)(char *hostname, int s, unsigned char *context), unsigned char *context)

+		failed_call = "socket";

+nextres:

+		if (s != INVALID_SOCKET)

+			close(s);

+		res = res->ai_next;

+		}

+	freeaddrinfo(res0);

+

+	perror(failed_call);

+	return(0);

+	}

+

+int do_server(char *port, int type, int *ret, int (*cb)(char *hostname, int s, unsigned char *context), unsigned char *context)

 	{

 	int sock;

 	char *name = NULL;

@@ -322,33 +333,50 @@ int do_server(int port, int type, int *r

 		}

 	}

-static int init_server_long(int *sock, int port, char *ip, int type)

+static int init_server(int *sock, char *port, int type)

 	{

-	int ret=0;

-	struct sockaddr_in server;

-	int s= -1;

+	struct addrinfo *res, *res0 = NULL, hints;

+	char * failed_call = NULL;

+	int s = INVALID_SOCKET;

+	int e;

 	if (!ssl_sock_init()) return(0);

-	memset((char *)&server,0,sizeof(server));

-	server.sin_family=AF_INET;

-	server.sin_port=htons((unsigned short)port);

-	if (ip == NULL)

-		server.sin_addr.s_addr=INADDR_ANY;

-	else

-/* Added for T3E, address-of fails on bit field (beckman@acl.lanl.gov) */

-#ifndef BIT_FIELD_LIMITS

-		memcpy(&server.sin_addr.s_addr,ip,4);

-#else

-		memcpy(&server.sin_addr,ip,4);

-#endif

+	memset(&hints, '\0', sizeof(hints));

+	hints.ai_family = AF_INET6;

+tryipv4:

+	hints.ai_socktype = type;

+	hints.ai_flags = AI_PASSIVE;

-		if (type == SOCK_STREAM)

-			s=socket(AF_INET,SOCK_STREAM,SOCKET_PROTOCOL);

-		else /* type == SOCK_DGRAM */

-			s=socket(AF_INET, SOCK_DGRAM,IPPROTO_UDP);

+	e = getaddrinfo(NULL, port, &hints, &res;;

+	if (e)

+		{

+		if (hints.ai_family == AF_INET)

+			{

+			fprintf(stderr, "getaddrinfo: %s\n", gai_strerror(e));

+			if (e == EAI_SYSTEM)

+				perror("getaddrinfo");

+			return (0);

+			}

+			else

+				res = NULL;

+		}

-	if (s == INVALID_SOCKET) goto err;

+	res0 = res;

+	while (res)

+		{

+		s = socket(res->ai_family, res->ai_socktype, res->ai_protocol);

+		if (s == INVALID_SOCKET)

+			{

+			failed_call = "socket";

+			goto nextres;

+			}

+		if (hints.ai_family == AF_INET6)

+			{

+			int j = 0;

+			setsockopt(s, IPPROTO_IPV6, IPV6_V6ONLY,

+				   (void *) &j, sizeof j);

+			}

 #if defined SOL_SOCKET && defined SO_REUSEADDR

 		{

 		int j = 1;

@@ -356,35 +384,49 @@ static int init_server_long(int *sock, i

 			   (void *) &j, sizeof j);

 		}

 #endif

-	if (bind(s,(struct sockaddr *)&server,sizeof(server)) == -1)

+

+		if (bind(s,(struct sockaddr *)res->ai_addr, res->ai_addrlen) == -1)

 		{

-#ifndef OPENSSL_SYS_WINDOWS

-		perror("bind");

-#endif

-		goto err;

+			failed_call = "bind";

+			goto nextres;

 		}

-	/* Make it 128 for linux */

-	if (type==SOCK_STREAM && listen(s,128) == -1) goto err;

-	*sock=s;

-	ret=1;

-err:

-	if ((ret == 0) && (s != -1))

+		if (type==SOCK_STREAM && listen(s,128) == -1)

 		{

-		SHUTDOWN(s);

+			failed_call = "listen";

+			goto nextres;

 		}

-	return(ret);

+

+		*sock=s;

+		return(1);

+

+nextres:

+		if (s != INVALID_SOCKET)

+			close(s);

+		res = res->ai_next;

 	}

+	if (res0)

+		freeaddrinfo(res0);

-static int init_server(int *sock, int port, int type)

+	if (s == INVALID_SOCKET)

 	{

-	return(init_server_long(sock, port, NULL, type));

+		if (hints.ai_family == AF_INET6)

+		{

+			hints.ai_family = AF_INET;

+			goto tryipv4;

+		}

+		perror("socket");

+		return(0);

+	}

+

+	perror(failed_call);

+	return(0);

 	}

 static int do_accept(int acc_sock, int *sock, char **host)

 	{

+	static struct sockaddr_storage from;

+	char buffer[NI_MAXHOST];

 	int ret;

-	struct hostent *h1,*h2;

-	static struct sockaddr_in from;

 	int len;

 /*	struct linger ling; */

@@ -431,135 +473,58 @@ redoit:

 */

 	if (host == NULL) goto end;

-#ifndef BIT_FIELD_LIMITS

-	/* I should use WSAAsyncGetHostByName() under windows */

-	h1=gethostbyaddr((char *)&from.sin_addr.s_addr,

-		sizeof(from.sin_addr.s_addr),AF_INET);

-#else

-	h1=gethostbyaddr((char *)&from.sin_addr,

-		sizeof(struct in_addr),AF_INET);

-#endif

-	if (h1 == NULL)

+

+	if (getnameinfo((struct sockaddr *)&from, sizeof(from),

+		buffer, sizeof(buffer),

+		NULL, 0, 0))

 		{

-		BIO_printf(bio_err,"bad gethostbyaddr\n");

+		BIO_printf(bio_err,"getnameinfo failed\n");

 		*host=NULL;

 		/* return(0); */

 		}

 	else

 		{

-		if ((*host=(char *)OPENSSL_malloc(strlen(h1->h_name)+1)) == NULL)

+		if ((*host=(char *)OPENSSL_malloc(strlen(buffer)+1)) == NULL)

 			{

 			perror("OPENSSL_malloc");

 			return(0);

 			}

-		BUF_strlcpy(*host,h1->h_name,strlen(h1->h_name)+1);

-

-		h2=GetHostByName(*host);

-		if (h2 == NULL)

-			{

-			BIO_printf(bio_err,"gethostbyname failure\n");

-			return(0);

-			}

-		if (h2->h_addrtype != AF_INET)

-			{

-			BIO_printf(bio_err,"gethostbyname addr is not AF_INET\n");

-			return(0);

-			}

+		strcpy(*host, buffer);

 		}

 end:

 	*sock=ret;

 	return(1);

 	}

-int extract_host_port(char *str, char **host_ptr, unsigned char *ip,

-	     short *port_ptr)

+int extract_host_port(char *str, char **host_ptr, 

+	     char **port_ptr)

 	{

-	char *h,*p;

+	char *h,*p,*x;

-	h=str;

-	p=strchr(str,':');

+	x=h=str;

+	if (*h == '[')

+		{

+		h++;

+		p=strchr(h,']');

 	if (p == NULL)

 		{

-		BIO_printf(bio_err,"no port defined\n");

+			BIO_printf(bio_err,"no ending bracket for IPv6 address\n");

 		return(0);

 		}

 	*(p++)='\0';

-

-	if ((ip != NULL) && !host_ip(str,ip))

-		goto err;

-	if (host_ptr != NULL) *host_ptr=h;

-

-	if (!extract_port(p,port_ptr))

-		goto err;

-	return(1);

-err:

-	return(0);

+		x = p;

 	}

-

-static int host_ip(char *str, unsigned char ip[4])

-	{

-	unsigned int in[4]; 

-	int i;

-

-	if (sscanf(str,"%u.%u.%u.%u",&(in[0]),&(in[1]),&(in[2]),&(in[3])) == 4)

-		{

-		for (i=0; i<4; i++)

-			if (in[i] > 255)

-				{

-				BIO_printf(bio_err,"invalid IP address\n");

-				goto err;

-				}

-		ip[0]=in[0];

-		ip[1]=in[1];

-		ip[2]=in[2];

-		ip[3]=in[3];

-		}

-	else

-		{ /* do a gethostbyname */

-		struct hostent *he;

-

-		if (!ssl_sock_init()) return(0);

-

-		he=GetHostByName(str);

-		if (he == NULL)

-			{

-			BIO_printf(bio_err,"gethostbyname failure\n");

-			goto err;

-			}

-		/* cast to short because of win16 winsock definition */

-		if ((short)he->h_addrtype != AF_INET)

+	p=strchr(x,':');

+	if (p == NULL)

 			{

-			BIO_printf(bio_err,"gethostbyname addr is not AF_INET\n");

-			return(0);

-			}

-		ip[0]=he->h_addr_list[0][0];

-		ip[1]=he->h_addr_list[0][1];

-		ip[2]=he->h_addr_list[0][2];

-		ip[3]=he->h_addr_list[0][3];

-		}

-	return(1);

-err:

+		BIO_printf(bio_err,"no port defined\n");

 	return(0);

 	}

+	*(p++)='\0';

-int extract_port(char *str, short *port_ptr)

-	{

-	int i;

-	struct servent *s;

+	if (host_ptr != NULL) *host_ptr=h;

+	if (port_ptr != NULL) *port_ptr=p;

-	i=atoi(str);

-	if (i != 0)

-		*port_ptr=(unsigned short)i;

-	else

-		{

-		s=getservbyname(str,"tcp");

-		if (s == NULL)

-			{

-			BIO_printf(bio_err,"getservbyname failure for %s\n",str);

-			return(0);

-			}

-		*port_ptr=ntohs((unsigned short)s->s_port);

-		}

 	return(1);

 	}