X-Git-Url: https://git.exim.org/exim.git/blobdiff_plain/3c8b357717e895d6dcddc7faa5b7a0eaf4c73417..07eeb4df55e6c0843156aedaacf32bfebe0e9eaa:/src/src/utf8.c

diff --git a/src/src/utf8.c b/src/src/utf8.c
index 09ebdf128..84ad1dc18 100644
--- a/src/src/utf8.c
+++ b/src/src/utf8.c
@@ -8,7 +8,7 @@
 
 #include "exim.h"
 
-#ifdef EXPERIMENTAL_INTERNATIONAL
+#ifdef SUPPORT_I18N
 
 #include <idna.h>
 #include <punycode.h>
@@ -76,14 +76,20 @@ uschar *
 string_localpart_utf8_to_alabel(const uschar * utf8, uschar ** err)
 {
 size_t ucs4_len;
-punycode_uint * p = (punycode_uint *) stringprep_utf8_to_ucs4(CCS utf8, -1, &ucs4_len);
-size_t p_len = ucs4_len*4;	/* this multiplier is pure guesswork */
-uschar * res = store_get(p_len+5);
+punycode_uint * p;
+size_t p_len;
+uschar * res;
 int rc;
 
+if (!string_is_utf8(utf8)) return string_copy(utf8);
+
+p = (punycode_uint *) stringprep_utf8_to_ucs4(CCS utf8, -1, &ucs4_len);
+p_len = ucs4_len*4;	/* this multiplier is pure guesswork */
+res = store_get(p_len+5);
+
 res[0] = 'x'; res[1] = 'n'; res[2] = res[3] = '-';
 
-if ((rc = punycode_encode(ucs4_len, p, NULL, &p_len, res+4)) != PUNYCODE_SUCCESS)
+if ((rc = punycode_encode(ucs4_len, p, NULL, &p_len, CS res+4)) != PUNYCODE_SUCCESS)
   {
   DEBUG(D_expand) debug_printf("l_u2a: bad '%s'\n", punycode_strerror(rc));
   free(p);
@@ -100,7 +106,7 @@ return res;
 uschar *
 string_localpart_alabel_to_utf8(const uschar * alabel, uschar ** err)
 {
-size_t p_len = strlen(alabel);
+size_t p_len = Ustrlen(alabel);
 punycode_uint * p;
 uschar * s;
 uschar * res;
@@ -121,7 +127,7 @@ if ((rc = punycode_decode(p_len, CCS alabel+4, &p_len, p, NULL)) != PUNYCODE_SUC
   return NULL;
   }
 
-s = stringprep_ucs4_to_utf8(p, p_len, NULL, &p_len);
+s = US stringprep_ucs4_to_utf8(p, p_len, NULL, &p_len);
 res = string_copyn(s, p_len);
 free(s);
 return res;
@@ -139,16 +145,26 @@ const uschar * s;
 uschar * l;
 uschar * d;
 
+if (!*utf8) return string_copy(utf8);
+
+DEBUG(D_expand) debug_printf("addr from utf8 <%s>", utf8);
+
 for (s = utf8; *s; s++)
   if (*s == '@')
     {
     l = string_copyn(utf8, s - utf8);
-    return   (l = string_localpart_utf8_to_alabel(l, err), err && *err)
-	  || (d = string_domain_utf8_to_alabel(++s, err),  err && *err)
-      ? NULL
-      : string_sprintf("%s@%s", l, d);
+    if (  (l = string_localpart_utf8_to_alabel(l, err), err && *err)
+       || (d = string_domain_utf8_to_alabel(++s, err),  err && *err)
+       )
+      return NULL;
+    l = string_sprintf("%s@%s", l, d);
+    DEBUG(D_expand) debug_printf(" -> <%s>\n", l);
+    return l;
     }
-return string_localpart_utf8_to_alabel(utf8, err);
+
+l =  string_localpart_utf8_to_alabel(utf8, err);
+DEBUG(D_expand) debug_printf(" -> <%s>\n", l);
+return l;
 }