X-Git-Url: https://git.exim.org/exim.git/blobdiff_plain/73a4670220991e000cc31a60fc90264cf12bd981..1ac6b2e7857d7b6645dbd09047c4c2ac3b6cef1d:/src/src/transports/appendfile.c

diff --git a/src/src/transports/appendfile.c b/src/src/transports/appendfile.c
index e53761582..db3b5aeee 100644
--- a/src/src/transports/appendfile.c
+++ b/src/src/transports/appendfile.c
@@ -1,5 +1,3 @@
-/* $Cambridge: exim/src/src/transports/appendfile.c,v 1.27 2010/06/07 00:12:42 pdp Exp $ */
-
 /*************************************************
 *     Exim - an Internet mail transport agent    *
 *************************************************/
@@ -21,7 +19,7 @@ supported only if SUPPORT_MBX is set. */
 
 enum { mbf_unix, mbf_mbx, mbf_smail, mbf_maildir, mbf_mailstore };
 
-static char *mailbox_formats[] = {
+static const char *mailbox_formats[] = {
   "unix", "mbx", "smail", "maildir", "mailstore" };
 
 
@@ -38,6 +36,10 @@ stored in the publicly visible instance block - these are flagged with the
 opt_public flag. */
 
 optionlist appendfile_transport_options[] = {
+#ifdef SUPPORT_MAILDIR
+  { "*expand_maildir_use_size_file", opt_stringptr,
+      (void *)offsetof(appendfile_transport_options_block, expand_maildir_use_size_file) },
+#endif
   { "*set_use_fcntl_lock",opt_bool | opt_hidden,
       (void *)offsetof(appendfile_transport_options_block, set_use_fcntl) },
   { "*set_use_flock_lock",opt_bool | opt_hidden,
@@ -105,7 +107,7 @@ optionlist appendfile_transport_options[] = {
       (void *)offsetof(appendfile_transport_options_block, maildir_retries) },
   { "maildir_tag",       opt_stringptr,
       (void *)offsetof(appendfile_transport_options_block, maildir_tag) },
-  { "maildir_use_size_file", opt_bool,
+  { "maildir_use_size_file", opt_expand_bool,
       (void *)offsetof(appendfile_transport_options_block, maildir_use_size_file ) } ,
   { "maildirfolder_create_regex", opt_stringptr,
       (void *)offsetof(appendfile_transport_options_block, maildirfolder_create_regex ) },
@@ -184,6 +186,7 @@ appendfile_transport_options_block appendfile_transport_option_defaults = {
   NULL,           /* quota_warn_threshold */
   NULL,           /* mailbox_size_string */
   NULL,           /* mailbox_filecount_string */
+  NULL,           /* expand_maildir_use_size_file */ 
   US"^(?:cur|new|\\..*)$",  /* maildir_dir_regex */
   NULL,           /* maildir_tag */
   NULL,           /* maildirfolder_create_regex */
@@ -272,6 +275,10 @@ dummy = dummy;
 uid = uid;
 gid = gid;
 
+if (ob->expand_maildir_use_size_file)
+	ob->maildir_use_size_file = expand_check_condition(ob->expand_maildir_use_size_file, 
+		US"`maildir_use_size_file` in transport", tblock->name);
+
 /* Loop for quota, quota_filecount, quota_warn_threshold, mailbox_size,
 mailbox_filecount */
 
@@ -1764,8 +1771,14 @@ if (!isdirectory)
       /* We have successfully created and opened the file. Ensure that the group
       and the mode are correct. */
 
-      (void)Uchown(filename, uid, gid);
-      (void)Uchmod(filename, mode);
+      if(Uchown(filename, uid, gid) || Uchmod(filename, mode))
+        {
+        addr->basic_errno = errno;
+        addr->message = string_sprintf("while setting perms on mailbox %s",
+          filename);
+        addr->transport_return = FAIL;
+        goto RETURN;
+        }
       }
 
 
@@ -2419,6 +2432,9 @@ else
           "%s/maildirsize", check_path);
         return FALSE;
         }
+      /* can also return -2, which means that the file was removed because of
+      raciness; but in this case, the size & filecount will still have been
+      updated. */
 
       if (mailbox_size < 0) mailbox_size = size;
       if (mailbox_filecount < 0) mailbox_filecount = filecount;
@@ -2563,8 +2579,13 @@ else
     /* Why are these here? Put in because they are present in the non-maildir
     directory case above. */
 
-    (void)Uchown(filename, uid, gid);
-    (void)Uchmod(filename, mode);
+    if(Uchown(filename, uid, gid) || Uchmod(filename, mode))
+      {
+      addr->basic_errno = errno;
+      addr->message = string_sprintf("while setting perms on maildir %s",
+        filename);
+      return FALSE;
+      }
     }
 
   #endif  /* SUPPORT_MAILDIR */
@@ -2605,8 +2626,13 @@ else
     /* Why are these here? Put in because they are present in the non-maildir
     directory case above. */
 
-    (void)Uchown(filename, uid, gid);
-    (void)Uchmod(filename, mode);
+    if(Uchown(filename, uid, gid) || Uchmod(filename, mode))
+      {
+      addr->basic_errno = errno;
+      addr->message = string_sprintf("while setting perms on file %s",
+        filename);
+      return FALSE;
+      }
 
     /* Built a C stream from the open file descriptor. */
 
@@ -2697,8 +2723,13 @@ else
       Uunlink(filename);
       return FALSE;
       }
-    (void)Uchown(dataname, uid, gid);
-    (void)Uchmod(dataname, mode);
+    if(Uchown(dataname, uid, gid) || Uchmod(dataname, mode))
+      {
+      addr->basic_errno = errno;
+      addr->message = string_sprintf("while setting perms on file %s",
+        dataname);
+      return FALSE;
+      }
     }
 
   #endif  /* SUPPORT_MAILSTORE */
@@ -2707,8 +2738,13 @@ else
   /* In all cases of writing to a new file, ensure that the file which is
   going to be renamed has the correct ownership and mode. */
 
-  (void)Uchown(filename, uid, gid);
-  (void)Uchmod(filename, mode);
+  if(Uchown(filename, uid, gid) || Uchmod(filename, mode))
+    {
+    addr->basic_errno = errno;
+    addr->message = string_sprintf("while setting perms on file %s",
+      filename);
+    return FALSE;
+    }
   }
 
 
@@ -2782,6 +2818,7 @@ if (yield == OK && ob->mbx_format)
 functions. */
 
 transport_count = 0;
+transport_newlines = 0;
 
 /* Write any configured prefix text first */
 
@@ -2807,21 +2844,26 @@ file, use its parent in the RCPT TO. */
 if (yield == OK && ob->use_bsmtp)
   {
   transport_count = 0;
+  transport_newlines = 0;
   if (ob->use_crlf) cr = US"\r";
   if (!transport_write_string(fd, "MAIL FROM:<%s>%s\n", return_path, cr))
     yield = DEFER;
   else
     {
     address_item *a;
+    transport_newlines++;
     for (a = addr; a != NULL; a = a->next)
       {
       address_item *b = testflag(a, af_pfr)? a->parent: a;
       if (!transport_write_string(fd, "RCPT TO:<%s>%s\n",
         transport_rcpt_address(b, tblock->rcpt_include_affixes), cr))
           { yield = DEFER; break; }
+      transport_newlines++;
       }
     if (yield == OK && !transport_write_string(fd, "DATA%s\n", cr))
       yield = DEFER;
+    else
+      transport_newlines++;
     }
   }
 
@@ -2854,8 +2896,10 @@ if (yield == OK && ob->message_suffix != NULL && ob->message_suffix[0] != 0)
 
 /* If batch smtp, write the terminating dot. */
 
-if (yield == OK && ob->use_bsmtp &&
-  !transport_write_string(fd, ".%s\n", cr)) yield = DEFER;
+if (yield == OK && ob->use_bsmtp ) {
+  if(!transport_write_string(fd, ".%s\n", cr)) yield = DEFER;
+  else transport_newlines++;
+}
 
 /* If MBX format is being used, all that writing was to the temporary file.
 However, if there was an earlier failure (Exim quota exceeded, for example),
@@ -2873,6 +2917,8 @@ if (temp_file != NULL && ob->mbx_format)
   if (yield == OK)
     {
     transport_count = 0;   /* Reset transport count for actual write */
+    /* No need to reset transport_newlines as we're just using a block copy
+     * routine so the number won't be affected */
     yield = copy_mbx_message(fd, fileno(temp_file), saved_size);
     }
   else if (errno >= 0) dataname = US"temporary file";
@@ -2890,10 +2936,13 @@ fsync() to be called for a FIFO. */
 
 if (yield == OK && !isfifo && EXIMfsync(fd) < 0) yield = DEFER;
 
-/* Update message_size to the accurate count of bytes written, including
-added headers. */
+/* Update message_size and message_linecount to the accurate count of bytes
+written, including added headers. Note; we subtract 1 from message_linecount as
+this variable doesn't count the new line between the header and the body of the
+message. */
 
 message_size = transport_count;
+message_linecount = transport_newlines - 1;
 
 /* If using a maildir++ quota file, add this message's size to it, and
 close the file descriptor, except when the quota has been disabled because we
@@ -2905,7 +2954,8 @@ if (!disable_quota)
   if (yield == OK && maildirsize_fd >= 0)
     maildir_record_length(maildirsize_fd, message_size);
   maildir_save_errno = errno;    /* Preserve errno while closing the file */
-  (void)close(maildirsize_fd);
+  if (maildirsize_fd >= 0)
+    (void)close(maildirsize_fd);
   errno = maildir_save_errno;
   }
 #endif  /* SUPPORT_MAILDIR */
@@ -3071,7 +3121,8 @@ if (yield != OK)
   investigated so far have ftruncate(), whereas not all have the F_FREESP
   fcntl() call (BSDI & FreeBSD do not). */
 
-  if (!isdirectory) (void)ftruncate(fd, saved_size);
+  if (!isdirectory && ftruncate(fd, saved_size))
+    DEBUG(D_transport) debug_printf("Error restting file size\n");
   }
 
 /* Handle successful writing - we want the modification time to be now for