Update.

2004-03-17  Ulrich Drepper  <drepper@redhat.com>

	* resolv/netdb.h: Define AI_IDN_ALLOW_UNASSIGNED,
	AI_IDN_USE_STD3_ASCII_RULES, NI_IDN_ALLOW_UNASSIGNED, and
	NI_IDN_USE_STD3_ASCII_RULES.
	* inet/getnameinfo.c (getnameinfo): Implement handling of
	NI_IDN_ALLOW_UNASSIGNED and NI_IDN_USE_STD3_ASCII_RULES.
	* sysdeps/posix/getaddrinfo.c (gaih_inet): Implement handling of
	AI_IDN_ALLOW_UNASSIGNED and AI_IDN_USE_STD3_ASCII_RULES.

ChangeLog

@@ -1,3 +1,13 @@
+2004-03-17  Ulrich Drepper  <drepper@redhat.com>
+
+	* resolv/netdb.h: Define AI_IDN_ALLOW_UNASSIGNED,
+	AI_IDN_USE_STD3_ASCII_RULES, NI_IDN_ALLOW_UNASSIGNED, and
+	NI_IDN_USE_STD3_ASCII_RULES.
+	* inet/getnameinfo.c (getnameinfo): Implement handling of
+	NI_IDN_ALLOW_UNASSIGNED and NI_IDN_USE_STD3_ASCII_RULES.
+	* sysdeps/posix/getaddrinfo.c (gaih_inet): Implement handling of
+	AI_IDN_ALLOW_UNASSIGNED and AI_IDN_USE_STD3_ASCII_RULES.
+
 2004-03-17  Jakub Jelinek  <jakub@redhat.com>
 
 	* sysdeps/x86_64/hp-timing.h (HP_TIMING_NOW): Make asm volatile.

inet/getnameinfo.c

@@ -169,7 +169,7 @@ getnameinfo (const struct sockaddr *sa, socklen_t addrlen, char *host,
 
   if (flags & ~(NI_NUMERICHOST|NI_NUMERICSERV|NI_NOFQDN|NI_NAMEREQD|NI_DGRAM
 #ifdef HAVE_LIBIDN
-		|NI_IDN
+		|NI_IDN|NI_IDN_ALLOW_UNASSIGNED|NI_IDN_USE_STD3_ASCII_RULES
 #endif
 		))
     return EAI_BADFLAGS;
@@ -262,8 +262,15 @@ getnameinfo (const struct sockaddr *sa, socklen_t addrlen, char *host,
 		/* If requested, convert from the IDN format.  */
 		if (flags & NI_IDN)
 		  {
+		    int idn_flags = 0;
+		    if  (flags & NI_IDN_ALLOW_UNASSIGNED)
+		      idn_flags |= IDNA_ALLOW_UNASSIGNED;
+		    if (flags & NI_IDN_USE_STD3_ASCII_RULES)
+		      idn_flags |= IDNA_USE_STD3_ASCII_RULES;
+
 		    char *out;
-		    int rc = __idna_to_unicode_lzlz (h->h_name, &out, 0);
+		    int rc = __idna_to_unicode_lzlz (h->h_name, &out,
+						     idn_flags);
 		    if (rc != IDNA_SUCCESS)
 		      {
 			if (rc == IDNA_MALLOC_ERROR)

resolv/netdb.h

@@ -578,6 +578,10 @@ struct gaicb
 				   in the current locale's character set)
 				   before looking it up. */
 #  define AI_CANONIDN	0x0080	/* Translate canonical name from IDN format. */
+#  define AI_IDN_ALLOW_UNASSIGNED 0x0100 /* Don't reject unassigned Unicode
+					    code points.  */
+#  define AI_IDN_USE_STD3_ASCII_RULES 0x0200 /* Validate strings according to
+						STD3 rules.  */
 # endif
 
 /* Error values for `getaddrinfo' function.  */
@@ -612,6 +616,10 @@ struct gaicb
 # define NI_DGRAM	16	/* Look up UDP service rather than TCP.  */
 # ifdef __USE_GNU
 #  define NI_IDN	32	/* Convert name from IDN format.  */
+#  define NI_IDN_ALLOW_UNASSIGNED 64 /* Don't reject unassigned Unicode
+					code points.  */
+#  define NI_IDN_USE_STD3_ASCII_RULES 128 /* Validate strings according to
+					     STD3 rules.  */
 # endif
 
 /* Translate name of a service location and/or a service name to set of

sysdeps/posix/getaddrinfo.c

@@ -549,8 +549,14 @@ gaih_inet (const char *name, const struct gaih_service *service,
 #ifdef HAVE_LIBIDN
       if (req->ai_flags & AI_IDN)
 	{
+	  int idn_flags = 0;
+	  if (req->ai_flags & AI_IDN_ALLOW_UNASSIGNED)
+	    idn_flags |= IDNA_ALLOW_UNASSIGNED;
+	  if (req->ai_flags & AI_IDN_USE_STD3_ASCII_RULES)
+	    idn_flags |= IDNA_USE_STD3_ASCII_RULES;
+
 	  char *p = NULL;
-	  rc = __idna_to_ascii_lz (name, &p, 0);
+	  rc = __idna_to_ascii_lz (name, &p, idn_flags);
 	  if (rc != IDNA_SUCCESS)
 	    {
 	      if (rc == IDNA_MALLOC_ERROR)
@@ -838,8 +844,14 @@ gaih_inet (const char *name, const struct gaih_service *service,
 #ifdef HAVE_LIBIDN
 	    if (req->ai_flags & AI_CANONIDN)
 	      {
+		int idn_flags = 0;
+		if (req->ai_flags & AI_IDN_ALLOW_UNASSIGNED)
+		  idn_flags |= IDNA_ALLOW_UNASSIGNED;
+		if (req->ai_flags & AI_IDN_USE_STD3_ASCII_RULES)
+		  idn_flags |= IDNA_USE_STD3_ASCII_RULES;
+
 		char *out;
-		int rc = __idna_to_unicode_lzlz (c, &out, 0);
+		int rc = __idna_to_unicode_lzlz (c, &out, idn_flags);
 		if (rc != IDNA_SUCCESS)
 		  {
 		    if (rc == IDNA_MALLOC_ERROR)
@@ -1306,7 +1318,8 @@ getaddrinfo (const char *name, const char *service,
   if (hints->ai_flags
       & ~(AI_PASSIVE|AI_CANONNAME|AI_NUMERICHOST|AI_ADDRCONFIG|AI_V4MAPPED
 #ifdef HAVE_LIBIDN
-	  |AI_IDN|AI_CANONIDN
+	  |AI_IDN|AI_CANONIDN|AI_IDN_ALLOW_UNASSIGNED
+	  |AI_IDN_USE_STD3_ASCII_RULES
 #endif
 	  |AI_ALL))
     return EAI_BADFLAGS;