UTF8: MSA downconversions

[exim.git] / src / src / verify.c

diff --git a/src/src/verify.c b/src/src/verify.c
index 4e9b563fae19b87505ab9963d8cf2d7456a380e2..28013fa35c152da357f17b643392f653b8c8b03d 100644 (file)
--- a/src/src/verify.c
+++ b/src/src/verify.c
@@ -173,6 +173,9 @@ dbdata_callout_cache new_domain_record;
 dbdata_callout_cache_address new_address_record;
 host_item *host;
 time_t callout_start_time;
+#ifdef EXPERIMENTAL_INTERNATIONAL
+BOOL utf8_offered = FALSE;
+#endif
 
 new_domain_record.result = ccache_unknown;
 new_domain_record.postmaster_result = ccache_unknown;
@@ -921,22 +924,35 @@ can do it there for the non-rcpt-verify case.  For this we keep an addresscount.
       }
 
 #ifdef EXPERIMENTAL_INTERNATIONAL
-    else if (  addr->prop.utf8
+    else if (  addr->prop.utf8_msg
+           && !addr->prop.utf8_downcvt
            && !(  esmtp
                && (  regex_UTF8
                   || ( (regex_UTF8 = regex_must_compile(
                          US"\\n250[\\s\\-]SMTPUTF8(\\s|\\n|$)", FALSE, TRUE)),
                      TRUE
                   )  )
-               && pcre_exec(regex_UTF8, NULL, CS responsebuffer,
-                   Ustrlen(responsebuffer), 0, PCRE_EOPT, NULL, 0) >= 0
-           )   )
+               && (  (utf8_offered = pcre_exec(regex_UTF8, NULL,
+                           CS responsebuffer, Ustrlen(responsebuffer),
+                           0, PCRE_EOPT, NULL, 0) >= 0)
+                  || addr->prop.utf8_downcvt_maybe
+           )   )  )
       {
       HDEBUG(D_acl|D_v) debug_printf("utf8 required but not offered\n");
       errno = ERRNO_UTF8_FWD;
       setflag(addr, af_verify_nsfail);
       done = FALSE;
       }
+    else if (  addr->prop.utf8_msg
+           && (addr->prop.utf8_downcvt || !utf8_offered)
+           && (from_address = string_address_utf8_to_alabel(from_address,
+                                     &addr->message), addr->message)
+           )
+      {
+      errno = ERRNO_EXPANDFAIL;
+      setflag(addr, af_verify_nsfail);
+      done = FALSE;
+      }
 #endif
 
     /* If we haven't authenticated, but are required to, give up. */
@@ -958,7 +974,7 @@ can do it there for the non-rcpt-verify case.  For this we keep an addresscount.
     /* Send the MAIL command */
         (smtp_write_command(&outblock, FALSE,
 #ifdef EXPERIMENTAL_INTERNATIONAL
-         addr->prop.utf8
+         addr->prop.utf8_msg
          ? "MAIL FROM:<%s>%s SMTPUTF8\r\n"
          :
 #endif
@@ -1049,7 +1065,7 @@ can do it there for the non-rcpt-verify case.  For this we keep an addresscount.
 
             smtp_write_command(&outblock, FALSE,
 #ifdef EXPERIMENTAL_INTERNATIONAL
-             addr->prop.utf8
+             addr->prop.utf8_msg
              ? "MAIL FROM:<%s> SMTPUTF8\r\n"
              :
 #endif