Add maildirfolder_create_regex to appendfile.

4 files changed, 70 insertions, 11 deletions

diff --git a/src/src/transports/appendfile.c b/src/src/transports/appendfile.c
index d7f270544..76acded26 100644
--- a/src/src/transports/appendfile.c
+++ b/src/src/transports/appendfile.c
@@ -1,4 +1,4 @@
-/* $Cambridge: exim/src/src/transports/appendfile.c,v 1.17 2006/04/25 14:02:30 ph10 Exp $ */
+/* $Cambridge: exim/src/src/transports/appendfile.c,v 1.18 2006/04/27 08:53:24 ph10 Exp $ */
 
 /*************************************************
 *     Exim - an Internet mail transport agent    *
@@ -107,6 +107,8 @@ optionlist appendfile_transport_options[] = {
       (void *)offsetof(appendfile_transport_options_block, maildir_tag) },
   { "maildir_use_size_file", opt_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 ) },
 #endif  /* SUPPORT_MAILDIR */
 #ifdef SUPPORT_MAILSTORE
   { "mailstore_format",  opt_bool,
@@ -184,6 +186,7 @@ appendfile_transport_options_block appendfile_transport_option_defaults = {
   NULL,           /* mailbox_filecount_string */
   US"^(?:cur|new|\\..*)$",  /* maildir_dir_regex */
   NULL,           /* maildir_tag */
+  NULL,           /* maildirfolder_create_regex */
   NULL,           /* mailstore_prefix */
   NULL,           /* mailstore_suffix */
   NULL,           /* check_string (default changed for non-bsmtp file)*/
@@ -2152,10 +2155,11 @@ else
     }
 
   #ifdef SUPPORT_MAILDIR
-  /* For a maildir delivery, ensure that all the relevant directories exist */
+  /* For a maildir delivery, ensure that all the relevant directories exist,
+  and a maildirfolder file if necessary. */
 
   if (mbformat == mbf_maildir && !maildir_ensure_directories(path, addr,
-    ob->create_directory, ob->dirmode))
+    ob->create_directory, ob->dirmode, ob->maildirfolder_create_regex))
       return FALSE;
   #endif  /* SUPPORT_MAILDIR */
 
@@ -2236,6 +2240,8 @@ else
             {
             *slash = 0;
             check_path = new_check_path;
+            DEBUG(D_transport) debug_printf("maildirfolder file exists: "
+              "quota check directory changed to %s\n", check_path);
             }
           }
         }
diff --git a/src/src/transports/appendfile.h b/src/src/transports/appendfile.h
index 90330d738..63a7c4f02 100644
--- a/src/src/transports/appendfile.h
+++ b/src/src/transports/appendfile.h
@@ -1,4 +1,4 @@
-/* $Cambridge: exim/src/src/transports/appendfile.h,v 1.4 2006/02/07 11:19:03 ph10 Exp $ */
+/* $Cambridge: exim/src/src/transports/appendfile.h,v 1.5 2006/04/27 08:53:24 ph10 Exp $ */
 
 /*************************************************
 *     Exim - an Internet mail transport agent    *
@@ -25,6 +25,7 @@ typedef struct {
   uschar *mailbox_filecount_string;
   uschar *maildir_dir_regex;
   uschar *maildir_tag;
+  uschar *maildirfolder_create_regex;
   uschar *mailstore_prefix;
   uschar *mailstore_suffix;
   uschar *check_string;
diff --git a/src/src/transports/tf_maildir.c b/src/src/transports/tf_maildir.c
index 50a4c1864..2eaea4be0 100644
--- a/src/src/transports/tf_maildir.c
+++ b/src/src/transports/tf_maildir.c
@@ -1,4 +1,4 @@
-/* $Cambridge: exim/src/src/transports/tf_maildir.c,v 1.8 2006/02/07 11:19:03 ph10 Exp $ */
+/* $Cambridge: exim/src/src/transports/tf_maildir.c,v 1.9 2006/04/27 08:53:24 ph10 Exp $ */
 
 /*************************************************
 *     Exim - an Internet mail transport agent    *
@@ -29,19 +29,22 @@ calculations are not hard wired in, but are supplied as a regex. */
 *************************************************/
 
 /* This function is called at the start of a maildir delivery, to ensure that
-all the relevant directories exist.
+all the relevant directories exist. It also creates a maildirfolder file if the
+base directory matches a given pattern.
 
 Argument:
   path              the base directory name
   addr              the address item (for setting an error message)
   create_directory  true if we are allowed to create missing directories
   dirmode           the mode for created directories
+  maildirfolder_create_regex
+                    the pattern to match for maildirfolder creation
 
 Returns:            TRUE on success; FALSE on failure
 */
 
 BOOL maildir_ensure_directories(uschar *path, address_item *addr,
-  BOOL create_directory, int dirmode)
+  BOOL create_directory, int dirmode, uschar *maildirfolder_create_regex)
 {
 int i;
 struct stat statbuf;
@@ -52,7 +55,7 @@ DEBUG(D_transport)
 
 /* First ensure that the path we have is a directory; if it does not exist,
 create it. Then make sure the tmp, new & cur subdirs of the maildir are
-there. If not, fail which aborts the delivery (even though the cur subdir is
+there. If not, fail. This aborts the delivery (even though the cur subdir is
 not actually needed for delivery). Handle all 4 directory tests/creates in a
 loop so that code can be shared. */
 
@@ -135,7 +138,55 @@ for (i = 0; i < 4; i++)
     }
   }
 
-return TRUE;   /* All directories exist */
+/* If the basic path matches maildirfolder_create_regex, we are dealing with
+a subfolder, and should ensure that a maildirfolder file exists. */
+
+if (maildirfolder_create_regex != NULL)
+  {
+  const uschar *error;
+  int offset;
+  const pcre *regex;
+
+  DEBUG(D_transport) debug_printf("checking for maildirfolder requirement\n");
+
+  regex = pcre_compile(CS maildirfolder_create_regex, PCRE_COPT,
+    (const char **)&error, &offset, NULL);
+
+  if (regex == NULL)
+    {
+    addr->message = string_sprintf("appendfile: regular expression "
+      "error: %s at offset %d while compiling %s", error, offset,
+      maildirfolder_create_regex);
+    return FALSE;
+    }
+
+  if (pcre_exec(regex, NULL, CS path, Ustrlen(path), 0, 0, NULL, 0) >= 0)
+    {
+    uschar *fname = string_sprintf("%s/maildirfolder", path);
+    if (Ustat(fname, &statbuf) == 0)
+      {
+      DEBUG(D_transport) debug_printf("maildirfolder already exists\n");
+      }
+    else
+      {
+      int fd = Uopen(fname, O_WRONLY|O_APPEND|O_CREAT, 0);
+      if (fd < 0)
+        {
+        addr->message = string_sprintf("appendfile: failed to create "
+          "maildirfolder file in %s directory: %s", path, strerror(errno));
+        return FALSE;
+        }
+      (void)close(fd);
+      DEBUG(D_transport) debug_printf("created maildirfolder file\n");
+      }
+    }
+  else
+    {
+    DEBUG(D_transport) debug_printf("maildirfolder file not required\n");
+    }
+  }
+
+return TRUE;   /* Everything exists that should exist */
 }
 
 
diff --git a/src/src/transports/tf_maildir.h b/src/src/transports/tf_maildir.h
index 727abf459..e892618b8 100644
--- a/src/src/transports/tf_maildir.h
+++ b/src/src/transports/tf_maildir.h
@@ -1,4 +1,4 @@
-/* $Cambridge: exim/src/src/transports/tf_maildir.h,v 1.4 2006/02/07 11:19:03 ph10 Exp $ */
+/* $Cambridge: exim/src/src/transports/tf_maildir.h,v 1.5 2006/04/27 08:53:24 ph10 Exp $ */
 
 /*************************************************
 *     Exim - an Internet mail transport agent    *
@@ -12,7 +12,8 @@ maildirsize files for quota handling in maildir directories. */
 
 extern off_t  maildir_compute_size(uschar *, int *, time_t *, const pcre *,
                 const pcre *, BOOL);
-extern BOOL   maildir_ensure_directories(uschar *, address_item *, BOOL, int);
+extern BOOL   maildir_ensure_directories(uschar *, address_item *, BOOL, int,
+                uschar *);
 extern int    maildir_ensure_sizefile(uschar *,
                 appendfile_transport_options_block *, const pcre *,
                 const pcre *, off_t *, int *);