Create a hosts_try_dane transport option, does nothing yet

[users/jgh/exim.git] / src / src / receive.c

diff --git a/src/src/receive.c b/src/src/receive.c
index 072fee9f1f27aaf4fe50541e1ee17e94d3f5ba69..f27dc425ebb9fc64f13970537c2c8070c3898101 100644 (file)
--- a/src/src/receive.c
+++ b/src/src/receive.c
@@ -2,7 +2,7 @@
 *     Exim - an Internet mail transport agent    *
 *************************************************/
 
-/* Copyright (c) University of Cambridge 1995 - 2012 */
+/* Copyright (c) University of Cambridge 1995 - 2014 */
 /* See the file NOTICE for conditions of use and distribution. */
 
 /* Code for receiving a message and setting up spool files. */
@@ -14,7 +14,7 @@ extern int dcc_ok;
 #endif
 
 #ifdef EXPERIMENTAL_DMARC
-#include "dmarc.h"
+# include "dmarc.h"
 #endif /* EXPERIMENTAL_DMARC */
 
 /*************************************************
@@ -497,6 +497,10 @@ recipients_list[recipients_count].bmi_optin = bmi_current_optin;
 /* reset optin string pointer for next recipient */
 bmi_current_optin = NULL;
 #endif
+#ifdef EXPERIMENTAL_DSN
+recipients_list[recipients_count].orcpt = NULL;
+recipients_list[recipients_count].dsn_flags = 0;
+#endif
 recipients_list[recipients_count++].errors_to = NULL;
 }
 
@@ -519,7 +523,7 @@ Arguments:
 Returns:       nothing
 */
 
-#ifdef EXPERIMENTAL_PRDR
+#ifndef DISABLE_PRDR
 static void
 smtp_user_msg(uschar *code, uschar *user_msg)
 {
@@ -680,6 +684,7 @@ while ((ch = (receive_getc)()) != EOF)
 
     case 1:                         /* After written "\n" */
     if (ch == '.') { ch_state = 3; continue; }
+    if (ch == '\r') { ch_state = 2; continue; }
     if (ch != '\n') ch_state = 0; else linelength = -1;
     break;
 
@@ -984,11 +989,24 @@ Returns:     nothing
 */
 
 static void
-add_acl_headers(uschar *acl_name)
+add_acl_headers(int where, uschar *acl_name)
 {
 header_line *h, *next;
 header_line *last_received = NULL;
 
+switch(where)
+  {
+  case ACL_WHERE_DKIM:
+  case ACL_WHERE_MIME:
+  case ACL_WHERE_DATA:
+    if (cutthrough_fd >= 0 && (acl_removed_headers || acl_added_headers))
+    {
+    log_write(0, LOG_MAIN|LOG_PANIC, "Header modification in data ACLs"
+                       " will not take effect on cutthrough deliveries");
+    return;
+    }
+  }
+
 if (acl_removed_headers != NULL)
   {
   DEBUG(D_receive|D_acl) debug_printf(">>Headers removed by %s ACL:\n", acl_name);
@@ -1264,7 +1282,7 @@ if (rc == OK)
   }
 
 END_MIME_ACL:
-add_acl_headers(US"MIME");
+add_acl_headers(ACL_WHERE_MIME, US"MIME");
 if (rc == DISCARD)
   {
   recipients_count = 0;
@@ -1454,7 +1472,7 @@ BOOL resents_exist = FALSE;
 uschar *resent_prefix = US"";
 uschar *blackholed_by = NULL;
 uschar *blackhole_log_msg = US"";
-enum {NOT_TRIED, TMP_REJ, PERM_REJ, ACCEPTED} cutthrough_done;
+enum {NOT_TRIED, TMP_REJ, PERM_REJ, ACCEPTED} cutthrough_done = NOT_TRIED;
 
 flock_t lock_data;
 error_block *bad_addresses = NULL;
@@ -2826,7 +2844,7 @@ if (cutthrough_fd >= 0)
     goto TIDYUP;                             /* Skip to end of function */
     }
   received_header_gen();
-  add_acl_headers(US"MAIL or RCPT");
+  add_acl_headers(ACL_WHERE_RCPT, US"MAIL or RCPT");
   (void) cutthrough_headers_send();
   }
 
@@ -3118,7 +3136,7 @@ if (received_header->text == NULL)        /* Non-cutthrough case */
   /* If an ACL from any RCPT commands set up any warning headers to add, do so
   now, before running the DATA ACL. */
 
-  add_acl_headers(US"MAIL or RCPT");
+  add_acl_headers(ACL_WHERE_RCPT, US"MAIL or RCPT");
   }
 else
   message_body_size = (fstat(data_fd, &statbuf) == 0)?
@@ -3231,7 +3249,7 @@ else
                 break;
               }
             }
-          add_acl_headers(US"DKIM");
+          add_acl_headers(ACL_WHERE_DKIM, US"DKIM");
           if (rc == DISCARD)
             {
             recipients_count = 0;
@@ -3264,8 +3282,8 @@ else
     dmarc_up = dmarc_store_data(from_header);
 #endif /* EXPERIMENTAL_DMARC */
 
-#ifdef EXPERIMENTAL_PRDR
-    if (prdr_requested && recipients_count > 1 && acl_smtp_data_prdr != NULL )
+#ifndef DISABLE_PRDR
+    if (prdr_requested && recipients_count > 1 && acl_smtp_data_prdr)
       {
       unsigned int c;
       int all_pass = OK;
@@ -3333,7 +3351,7 @@ else
       }
     else
       prdr_requested = FALSE;
-#endif /* EXPERIMENTAL_PRDR */
+#endif /* !DISABLE_PRDR */
 
     /* Check the recipients count again, as the MIME ACL might have changed
     them. */
@@ -3341,7 +3359,7 @@ else
     if (acl_smtp_data != NULL && recipients_count > 0)
       {
       rc = acl_check(ACL_WHERE_DATA, NULL, acl_smtp_data, &user_msg, &log_msg);
-      add_acl_headers(US"DATA");
+      add_acl_headers(ACL_WHERE_DATA, US"DATA");
       if (rc == DISCARD)
         {
         recipients_count = 0;
@@ -3424,7 +3442,7 @@ else
           /* Does not return */
           }
         }
-      add_acl_headers(US"non-SMTP");
+      add_acl_headers(ACL_WHERE_NOTSMTP, US"non-SMTP");
       }
     }
 
@@ -3726,21 +3744,20 @@ if (message_reference != NULL)
 s = add_host_info_for_log(s, &size, &sptr);
 
 #ifdef SUPPORT_TLS
-if ((log_extra_selector & LX_tls_cipher) != 0 && tls_in.cipher != NULL)
+if (log_extra_selector & LX_tls_cipher && tls_in.cipher)
   s = string_append(s, &size, &sptr, 2, US" X=", tls_in.cipher);
-if ((log_extra_selector & LX_tls_certificate_verified) != 0 &&
-     tls_in.cipher != NULL)
+if (log_extra_selector & LX_tls_certificate_verified && tls_in.cipher)
   s = string_append(s, &size, &sptr, 2, US" CV=",
     tls_in.certificate_verified? "yes":"no");
-if ((log_extra_selector & LX_tls_peerdn) != 0 && tls_in.peerdn != NULL)
+if (log_extra_selector & LX_tls_peerdn && tls_in.peerdn)
   s = string_append(s, &size, &sptr, 3, US" DN=\"",
     string_printing(tls_in.peerdn), US"\"");
-if ((log_extra_selector & LX_tls_sni) != 0 && tls_in.sni != NULL)
+if (log_extra_selector & LX_tls_sni && tls_in.sni)
   s = string_append(s, &size, &sptr, 3, US" SNI=\"",
     string_printing(tls_in.sni), US"\"");
 #endif
 
-if (sender_host_authenticated != NULL)
+if (sender_host_authenticated)
   {
   s = string_append(s, &size, &sptr, 2, US" A=", sender_host_authenticated);
   if (authenticated_id != NULL)
@@ -3751,11 +3768,16 @@ if (sender_host_authenticated != NULL)
     }
   }
 
-#ifdef EXPERIMENTAL_PRDR
+#ifndef DISABLE_PRDR
 if (prdr_requested)
   s = string_append(s, &size, &sptr, 1, US" PRDR");
 #endif
 
+#ifdef EXPERIMENTAL_PROXY
+if (proxy_session &&  log_extra_selector & LX_proxy)
+  s = string_append(s, &size, &sptr, 2, US" PRX=", proxy_host_address);
+#endif
+
 sprintf(CS big_buffer, "%d", msg_size);
 s = string_append(s, &size, &sptr, 2, US" S=", big_buffer);
 
@@ -3949,7 +3971,6 @@ for this message. */
 
    XXX We do not handle queue-only, freezing, or blackholes.
 */
-cutthrough_done = NOT_TRIED;
 if(cutthrough_fd >= 0)
   {
   uschar * msg= cutthrough_finaldot(); /* Ask the target system to accept the messsage */
@@ -3972,11 +3993,11 @@ if(cutthrough_fd >= 0)
     }
   }
 
-if(smtp_reply == NULL
-#ifdef EXPERIMENTAL_PRDR
-                     || prdr_requested
+#ifndef DISABLE_PRDR
+if(!smtp_reply || prdr_requested)
+#else
+if(!smtp_reply)
 #endif
-  )
   {
   log_write(0, LOG_MAIN |
     (((log_extra_selector & LX_received_recipients) != 0)? LOG_RECIPIENTS : 0) |