-/* $Cambridge: exim/src/src/transports/tf_maildir.c,v 1.6 2005/06/16 14:10:14 ph10 Exp $ */
-
/*************************************************
* Exim - an Internet mail transport agent *
*************************************************/
-/* Copyright (c) University of Cambridge 1995 - 2005 */
+/* Copyright (c) University of Cambridge 1995 - 2012 */
/* See the file NOTICE for conditions of use and distribution. */
/* Functions in support of the use of maildirsize files for handling quotas in
*************************************************/
/* 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;
-char *subdirs[] = { "/tmp", "/new", "/cur" };
+const char *subdirs[] = { "/tmp", "/new", "/cur" };
DEBUG(D_transport)
debug_printf("ensuring maildir directories exist in %s\n", path);
/* 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. */
for (i = 0; i < 4; i++)
{
int j;
- uschar *dir, *mdir;
+ const uschar *dir, *mdir;
if (i == 0)
{
- mdir = US"";
+ mdir = CUS"";
dir = path;
}
else
{
- mdir = US subdirs[i-1];
+ mdir = CUS subdirs[i-1];
dir = mdir + 1;
}
}
}
-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, 0600);
+ 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 */
}
filename = string_sprintf("%s/maildirsize", path);
DEBUG(D_transport) debug_printf("looking for maildirsize in %s\n", path);
-fd = Uopen(filename, O_RDWR|O_APPEND, 0);
+fd = Uopen(filename, O_RDWR|O_APPEND, ob->mode ? ob->mode : 0600);
if (fd < 0)
{
if (errno != ENOENT) return -1;
RECALCULATE:
- if (fd >= 0) close(fd);
+ if (fd >= 0) (void)close(fd);
old_latest = 0;
filecount = 0;
size = maildir_compute_size(path, &filecount, &old_latest, regex, dir_regex,
(void)gettimeofday(&tv, NULL);
tempname = string_sprintf("%s/tmp/%lu.H%luP%lu.%s", path, tv.tv_sec,
- tv.tv_usec, getpid(), primary_hostname);
+ tv.tv_usec, (long unsigned) getpid(), primary_hostname);
- fd = Uopen(tempname, O_RDWR|O_CREAT|O_EXCL, 0600);
+ fd = Uopen(tempname, O_RDWR|O_CREAT|O_EXCL, ob->mode ? ob->mode : 0600);
if (fd >= 0)
{
(void)sprintf(CS buffer, OFF_T_FMT "S,%dC\n" OFF_T_FMT " %d\n",
len = Ustrlen(buffer);
if (write(fd, buffer, len) != len || Urename(tempname, filename) < 0)
{
- close(fd);
+ (void)close(fd);
fd = -1;
}
}
DEBUG(D_transport) debug_printf("abandoning maildirsize because of "
"a later subdirectory modification\n");
(void)Uunlink(filename);
- close(fd);
- fd = -1;
+ (void)close(fd);
+ fd = -2;
}
}