X-Git-Url: https://git.exim.org/exim.git/blobdiff_plain/8102279385f5f70c959aa219feca37031c0a1828..f870028fd26f8ac1a2fcb6e43e0d7d1c76c110ec:/src/src/receive.c

diff --git a/src/src/receive.c b/src/src/receive.c
index 398250ebb..ce7da5719 100644
--- a/src/src/receive.c
+++ b/src/src/receive.c
@@ -3,6 +3,7 @@
 *************************************************/
 
 /* Copyright (c) University of Cambridge 1995 - 2018 */
+/* Copyright (c) The Exim Maintainers 2020 */
 /* See the file NOTICE for conditions of use and distribution. */
 
 /* Code for receiving a message and setting up spool files. */
@@ -175,6 +176,7 @@ else
   empty item in a list. */
 
   if (*p == 0) p = US":";
+  /* should never be a tainted list */
   while ((path = string_nextinlist(&p, &sep, buffer, sizeof(buffer))))
     if (Ustrcmp(path, "syslog") != 0)
       break;
@@ -270,8 +272,8 @@ if (check_spool_space > 0 || msg_size > 0 || check_spool_inodes > 0)
       "check_space = " PR_EXIM_ARITH "K inodes = %d msg_size = %d\n",
       space, inodes, check_spool_space, check_spool_inodes, msg_size);
 
-  if ((space >= 0 && space < check_spool_space) ||
-      (inodes >= 0 && inodes < check_spool_inodes))
+  if (  space >= 0 && space + msg_size / 1024 < check_spool_space
+     || inodes >= 0 && inodes < check_spool_inodes)
     {
     log_write(0, LOG_MAIN, "spool directory space check failed: space="
       PR_EXIM_ARITH " inodes=%d", space, inodes);
@@ -1227,9 +1229,8 @@ if (acl_removed_headers)
     const uschar * list = acl_removed_headers;
     int sep = ':';         /* This is specified as a colon-separated list */
     uschar *s;
-    uschar buffer[128];
 
-    while ((s = string_nextinlist(&list, &sep, buffer, sizeof(buffer))))
+    while ((s = string_nextinlist(&list, &sep, NULL, 0)))
       if (header_testname(h, s, Ustrlen(s), FALSE))
 	{
 	h->type = htype_old;
@@ -1453,7 +1454,7 @@ if (rc == OK)
   struct dirent * entry;
   DIR * tempdir;
 
-  for (tempdir = opendir(CS scandir); entry = readdir(tempdir); )
+  for (tempdir = exim_opendir(scandir); entry = readdir(tempdir); )
     if (strncmpic(US entry->d_name, US"__rfc822_", 9) == 0)
       {
       rfc822_file_path = string_sprintf("%s/%s", scandir, entry->d_name);
@@ -1783,7 +1784,7 @@ if (sender_host_address) dmarc_init();	/* initialize libopendmarc */
 ids, and fractions of a second are required. See the comments that precede the
 message id creation below. */
 
-(void)gettimeofday(&message_id_tv, NULL);
+exim_gettime(&message_id_tv);
 
 /* For other uses of the received time we can operate with granularity of one
 second, and for that we use the global variable received_time. This is for
@@ -2568,7 +2569,7 @@ if (extract_recip)
 
         If there are no recipients at all, an error will occur later. */
 
-        if (recipient == NULL && Ustrcmp(errmess, "empty address") != 0)
+        if (!recipient && Ustrcmp(errmess, "empty address") != 0)
           {
           int len = Ustrlen(s);
           error_block *b = store_get(sizeof(error_block), FALSE);
@@ -2805,7 +2806,7 @@ From:) but we still want to ensure a valid Sender: if it is required. */
 if (  !from_header
    && ((!sender_host_address && !f.suppress_local_fixups) || f.submission_mode))
   {
-  uschar *oname = US"";
+  const uschar * oname = US"";
 
   /* Use the originator_name if this is a locally submitted message and the
   caller is not trusted. For trusted callers, use it only if -F was used to
@@ -3271,7 +3272,7 @@ if (fflush(spool_data_file) == EOF || ferror(spool_data_file) ||
 /* No I/O errors were encountered while writing the data file. */
 
 DEBUG(D_receive) debug_printf("Data file written for message %s\n", message_id);
-if (LOGGING(receive_time)) timesince(&received_time_taken, &received_time);
+gettimeofday(&received_time_complete, NULL);
 
 
 /* If there were any bad addresses extracted by -t, or there were no recipients
@@ -3993,7 +3994,7 @@ g = add_host_info_for_log(g);
 if (LOGGING(tls_cipher) && tls_in.cipher)
   {
   g = string_append(g, 2, US" X=", tls_in.cipher);
-# ifdef EXPERIMENTAL_TLS_RESUME
+# ifndef DISABLE_TLS_RESUME
   if (LOGGING(tls_resumption) && tls_in.resumption & RESUME_USED)
     g = string_catn(g, US"*", 1);
 # endif
@@ -4003,7 +4004,7 @@ if (LOGGING(tls_certificate_verified) && tls_in.cipher)
 if (LOGGING(tls_peerdn) && tls_in.peerdn)
   g = string_append(g, 3, US" DN=\"", string_printing(tls_in.peerdn), US"\"");
 if (LOGGING(tls_sni) && tls_in.sni)
-  g = string_append(g, 3, US" SNI=\"", string_printing(tls_in.sni), US"\"");
+  g = string_append(g, 2, US" SNI=", string_printing2(tls_in.sni, SP_TAB|SP_SPACE));
 #endif
 
 if (sender_host_authenticated)
@@ -4049,7 +4050,11 @@ if (LOGGING(dkim) && arc_state && Ustrcmp(arc_state, "pass") == 0)
 #endif
 
 if (LOGGING(receive_time))
-  g = string_append(g, 2, US" RT=", string_timediff(&received_time_taken));
+  {
+  struct timeval diff = received_time_complete;
+  timediff(&diff, &received_time);
+  g = string_append(g, 2, US" RT=", string_timediff(&diff));
+  }
 
 if (*queue_name)
   g = string_append(g, 2, US" Q=", queue_name);
@@ -4176,12 +4181,10 @@ response, but the chance of this happening should be small. */
 if (smtp_input && sender_host_address && !f.sender_host_notsocket &&
     !receive_smtp_buffered())
   {
-  struct timeval tv;
+  struct timeval tv = {.tv_sec = 0, .tv_usec = 0};
   fd_set select_check;
   FD_ZERO(&select_check);
   FD_SET(fileno(smtp_in), &select_check);
-  tv.tv_sec = 0;
-  tv.tv_usec = 0;
 
   if (select(fileno(smtp_in) + 1, &select_check, NULL, NULL, &tv) != 0)
     {
@@ -4374,12 +4377,17 @@ if (smtp_input)
 
       else if (chunking_state > CHUNKING_OFFERED)
 	{
-        smtp_printf("250- %u byte chunk, total %d\r\n250 OK id=%s\r\n", FALSE,
+	/* If there is more input waiting, no need to flush (probably the client
+	pipelined QUIT after data).  We check only the in-process buffer, not
+	the socket. */
+
+        smtp_printf("250- %u byte chunk, total %d\r\n250 OK id=%s\r\n",
+	    receive_smtp_buffered(),
 	    chunking_datasize, message_size+message_linecount, message_id);
 	chunking_state = CHUNKING_OFFERED;
 	}
       else
-        smtp_printf("250 OK id=%s\r\n", FALSE, message_id);
+        smtp_printf("250 OK id=%s\r\n", receive_smtp_buffered(), message_id);
 
       if (host_checking)
         fprintf(stdout,