Blame SOURCES/bind-9.5-libidn.patch

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diff -up bind-9.7.0b1/bin/dig/dighost.c.libidn bind-9.7.0b1/bin/dig/dighost.c
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--- bind-9.7.0b1/bin/dig/dighost.c.libidn	2009-09-16 01:48:09.000000000 +0200
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+++ bind-9.7.0b1/bin/dig/dighost.c	2009-10-20 10:49:26.719056220 +0200
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@@ -44,6 +44,11 @@
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 #include <idn/api.h>
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 #endif
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+#ifdef WITH_LIBIDN
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+#include <stringprep.h>
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+#include <idna.h>
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+#endif
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+
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 #include <dns/byaddr.h>
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 #ifdef DIG_SIGCHASE
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 #include <dns/callbacks.h>
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@@ -153,6 +158,14 @@ static void		idn_check_result(idn_result
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 int  idnoptions	= 0;
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 #endif
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+#ifdef WITH_LIBIDN
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+static isc_result_t	libidn_locale_to_utf8 (const char* from, char **to);
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+static isc_result_t	libidn_utf8_to_ascii (const char* from, char *to);
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+static isc_result_t	output_filter (isc_buffer_t *buffer,
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+				       unsigned int used_org,
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+				       isc_boolean_t absolute);
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+#endif
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+
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 /*%
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  * Exit Codes:
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  *
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@@ -1184,6 +1197,9 @@ setup_system(void) {
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 	dig_searchlist_t *domain = NULL;
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 	lwres_result_t lwresult;
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 	unsigned int lwresflags;
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+#ifdef WITH_LIBIDN
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+	isc_result_t result;
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+#endif
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 	debug("setup_system()");
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@@ -1242,8 +1258,15 @@ setup_system(void) {
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 #ifdef WITH_IDN
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 	initialize_idn();
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+	
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+#endif
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+#ifdef WITH_LIBIDN
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+	result = dns_name_settotextfilter(output_filter);
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+	check_result(result, "dns_name_settotextfilter");
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+#ifdef HAVE_SETLOCALE
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+	setlocale (LC_ALL, "");
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+#endif
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 #endif
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-
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 	if (keyfile[0] != 0)
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 		setup_file_key();
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 	else if (keysecret[0] != 0)
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@@ -1957,12 +1980,18 @@ setup_lookup(dig_lookup_t *lookup) {
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 	idn_result_t mr;
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 	char utf8_textname[MXNAME], utf8_origin[MXNAME], idn_textname[MXNAME];
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 #endif
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+#ifdef WITH_LIBIDN
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+	char *utf8_str = NULL, utf8_name[MXNAME], ascii_name[MXNAME];
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+#endif
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 #ifdef WITH_IDN
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 	result = dns_name_settotextfilter(output_filter);
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 	check_result(result, "dns_name_settotextfilter");
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 #endif
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-
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+#ifdef WITH_LIBIDN
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+	result = dns_name_settotextfilter (output_filter);
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+	check_result(result, "dns_name_settotextfilter");
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+#endif
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 	REQUIRE(lookup != NULL);
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 	INSIST(!free_now);
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@@ -1999,6 +2028,16 @@ setup_lookup(dig_lookup_t *lookup) {
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 	mr = idn_encodename(IDN_LOCALCONV | IDN_DELIMMAP, lookup->textname,
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 			    utf8_textname, sizeof(utf8_textname));
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 	idn_check_result(mr, "convert textname to UTF-8");
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+#elif defined (WITH_LIBIDN)
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+	result = libidn_locale_to_utf8 (lookup->textname, &utf8_str);
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+	check_result (result, "converting textname to UTF-8");
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+	len = strlen (utf8_str);
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+	if (len < MXNAME) {
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+		(void) strcpy (utf8_name, utf8_str);
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+	} else {
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+		fatal ("Too long name");
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+	}
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+	isc_mem_free (mctx, utf8_str);
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 #endif
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 	/*
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@@ -2018,6 +2057,15 @@ setup_lookup(dig_lookup_t *lookup) {
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 			lookup->origin = ISC_LIST_HEAD(search_list);
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 			lookup->need_search = ISC_FALSE;
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 		}
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+#elif defined (WITH_LIBIDN)
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+		if ((count_dots(utf8_name) >= ndots) || !usesearch) {
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+			lookup->origin = NULL; /* Force abs lookup */
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+			lookup->done_as_is = ISC_TRUE;
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+			lookup->need_search = usesearch;
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+		} else if (lookup->origin == NULL && usesearch) {
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+			lookup->origin = ISC_LIST_HEAD(search_list);
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+			lookup->need_search = ISC_FALSE;
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+		}
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 #else
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 		if ((count_dots(lookup->textname) >= ndots) || !usesearch) {
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 			lookup->origin = NULL; /* Force abs lookup */
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@@ -2044,6 +2092,20 @@ setup_lookup(dig_lookup_t *lookup) {
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 			    IDN_IDNCONV | IDN_LENCHECK, utf8_textname,
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 			    idn_textname, sizeof(idn_textname));
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 	idn_check_result(mr, "convert UTF-8 textname to IDN encoding");
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+#elif defined (WITH_LIBIDN)
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+	if (lookup->origin != NULL) {
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+		result = libidn_locale_to_utf8 (lookup->origin->origin, &utf8_str);
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+		check_result (result, "convert origin to UTF-8");
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+		if (len + strlen (utf8_str) + 1 < MXNAME) {
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+			utf8_name[len++] = '.';
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+			(void) strcpy (utf8_name + len, utf8_str);
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+		} else {
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+			fatal ("Too long name + origin");
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+		}
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+		isc_mem_free (mctx, utf8_str);
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+	}
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+
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+	result = libidn_utf8_to_ascii (utf8_name, ascii_name);
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 #else
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 	if (lookup->origin != NULL) {
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 		debug("trying origin %s", lookup->origin->origin);
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@@ -2099,6 +2161,13 @@ setup_lookup(dig_lookup_t *lookup) {
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 			result = dns_name_fromtext(lookup->name, &b,
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 						   dns_rootname, 0,
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 						   &lookup->namebuf);
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+#elif defined (WITH_LIBIDN)
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+			len = strlen (ascii_name);
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+			isc_buffer_init(&b, ascii_name, len);
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+			isc_buffer_add(&b, len);
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+			result = dns_name_fromtext(lookup->name, &b,
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+						   dns_rootname, 0,
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+						   &lookup->namebuf);
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 #else
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 			len = strlen(lookup->textname);
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 			isc_buffer_init(&b, lookup->textname, len);
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@@ -3617,7 +3686,7 @@ destroy_libs(void) {
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 	void * ptr;
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 	dig_message_t *chase_msg;
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 #endif
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-#ifdef WITH_IDN
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+#if defined (WITH_IDN) || defined (WITH_LIBIDN)
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 	isc_result_t result;
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 #endif
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@@ -3656,6 +3725,10 @@ destroy_libs(void) {
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 	result = dns_name_settotextfilter(NULL);
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 	check_result(result, "dns_name_settotextfilter");
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 #endif
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+#ifdef WITH_LIBIDN
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+	result = dns_name_settotextfilter (NULL);
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+	check_result(result, "clearing dns_name_settotextfilter");
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+#endif
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 	dns_name_destroy();
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 	if (commctx != NULL) {
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@@ -3834,6 +3907,79 @@ idn_check_result(idn_result_t r, const c
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 	}
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 }
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 #endif /* WITH_IDN */
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+#ifdef WITH_LIBIDN
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+/* If stringprep_locale_to_utf8 fails simple copy string */
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+static isc_result_t
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+libidn_locale_to_utf8 (const char *from, char **to) {
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+	char *utf8_str;
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+
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+	utf8_str = stringprep_locale_to_utf8 (from);
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+	if (utf8_str == NULL) {
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+		*to = isc_mem_allocate (mctx, strlen (from) + 1);
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+		if (*to == NULL)
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+			return (ISC_R_NOMEMORY);
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+		(void) strcpy (*to, from);
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+	} else {
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+		*to = isc_mem_allocate (mctx, strlen (utf8_str) + 1);
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+		if (*to == NULL)
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+			return (ISC_R_NOMEMORY);
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+		(void) strcpy (*to, utf8_str);
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+		free (utf8_str);
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+	}
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+	return (ISC_R_SUCCESS);
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+}
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+static isc_result_t
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+libidn_utf8_to_ascii (const char *from, char *to) {
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+	char *ascii;
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+
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+	if (idna_to_ascii_8z (from, &ascii, 0) != IDNA_SUCCESS)
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+		return (ISC_R_FAILURE);
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+
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+	(void) strcpy (to, ascii);
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+	free (ascii);
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+	return (ISC_R_SUCCESS);
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+}
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+/* based on idnkit's code*/
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+static isc_result_t
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+output_filter (isc_buffer_t *buffer, unsigned int used_org,
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+	       isc_boolean_t absolute) {
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+	char tmp1[MXNAME], *tmp2;
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+        size_t fromlen, tolen;
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+        isc_boolean_t end_with_dot;
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+
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+        fromlen = isc_buffer_usedlength(buffer) - used_org;
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+	if (fromlen >= MXNAME)
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+		return (ISC_R_SUCCESS);
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+        memcpy(tmp1, (char *)isc_buffer_base(buffer) + used_org, fromlen);
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+        end_with_dot = (tmp1[fromlen - 1] == '.') ? ISC_TRUE : ISC_FALSE;
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+        if (absolute && !end_with_dot) {
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+                fromlen++;
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+		if (fromlen >= MXNAME)
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+			return (ISC_R_SUCCESS);
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+                tmp1[fromlen - 1] = '.';
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+        }
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+        tmp1[fromlen] = '\0';
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+
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+	if (idna_to_unicode_lzlz (tmp1, &tmp2, 0) != IDNA_SUCCESS)
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+		return (ISC_R_SUCCESS);
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+
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+	(void) strcpy (tmp1, tmp2);
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+	free (tmp2);
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+
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+        tolen = strlen(tmp1);
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+        if (absolute && !end_with_dot && tmp1[tolen - 1] == '.')
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+                tolen--;
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+
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+        if (isc_buffer_length(buffer) < used_org + tolen)
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+                return (ISC_R_NOSPACE);
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+
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+        isc_buffer_subtract(buffer, isc_buffer_usedlength(buffer) - used_org);
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+        memcpy(isc_buffer_used(buffer), tmp1, tolen);
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+        isc_buffer_add(buffer, tolen);
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+
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+        return (ISC_R_SUCCESS);
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+}
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+#endif /* WITH_LIBIDN*/
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 #ifdef DIG_SIGCHASE
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 void
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diff -up bind-9.7.0b1/bin/dig/Makefile.in.libidn bind-9.7.0b1/bin/dig/Makefile.in
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--- bind-9.7.0b1/bin/dig/Makefile.in.libidn	2009-09-22 10:47:55.000000000 +0200
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+++ bind-9.7.0b1/bin/dig/Makefile.in	2009-10-20 10:50:06.201543709 +0200
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@@ -46,10 +46,10 @@ DEPLIBS =	${DNSDEPLIBS} ${BIND9DEPLIBS} 
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 		${LWRESDEPLIBS}
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 LIBS =		${LWRESLIBS} ${DNSLIBS} ${BIND9LIBS} ${ISCCFGLIBS} \
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-		${ISCLIBS} @IDNLIBS@ @LIBS@
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+		${ISCLIBS} @IDNLIBS@ @LIBS@ -lidn
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 NOSYMLIBS =	${LWRESLIBS} ${DNSLIBS} ${BIND9LIBS} ${ISCCFGLIBS} \
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-		${ISCNOSYMLIBS} @IDNLIBS@ @LIBS@
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+		${ISCNOSYMLIBS} @IDNLIBS@ @LIBS@ -lidn
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 SUBDIRS =
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@@ -67,6 +67,8 @@ HTMLPAGES =	dig.html host.html nslookup.
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 MANOBJS =	${MANPAGES} ${HTMLPAGES}
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+EXT_CFLAGS = -DWITH_LIBIDN
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+
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 @BIND9_MAKE_RULES@
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 dig@EXEEXT@: dig.@O@ dighost.@O@ ${UOBJS} ${DEPLIBS}