-/* $Cambridge: exim/src/src/transports/appendfile.c,v 1.2 2004/10/11 09:49:43 ph10 Exp $ */
+/* $Cambridge: exim/src/src/transports/appendfile.c,v 1.20 2007/01/08 10:50:20 ph10 Exp $ */
/*************************************************
* Exim - an Internet mail transport agent *
*************************************************/
-/* Copyright (c) University of Cambridge 1995 - 2004 */
+/* Copyright (c) University of Cambridge 1995 - 2007 */
/* See the file NOTICE for conditions of use and distribution. */
(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,
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)*/
NULL, /* escape_string (ditto) */
NULL, /* file_format */
+ 0, /* quota_value */
+ 0, /* quota_warn_threshold_value */
-1, /* mailbox_size_value */
-1, /* mailbox_filecount_value */
- 0, /* quota_value */
0, /* quota_filecount_value */
- 0, /* quota_warn_threshold_value */
APPENDFILE_MODE, /* mode */
APPENDFILE_DIRECTORY_MODE, /* dirmode */
APPENDFILE_LOCKFILE_MODE, /* lockfile_mode */
tblock points to the transport instance
addrlist addresses about to be delivered (not used)
dummy not used (doesn't pass back data)
+ uid the uid that will be set (not used)
+ gid the gid that will be set (not used)
errmsg where to put an error message
Returns: OK, FAIL, or DEFER
static int
appendfile_transport_setup(transport_instance *tblock, address_item *addrlist,
- transport_feedback *dummy, uschar **errmsg)
+ transport_feedback *dummy, uid_t uid, gid_t gid, uschar **errmsg)
{
appendfile_transport_options_block *ob =
(appendfile_transport_options_block *)(tblock->options_block);
uschar *q = ob->quota;
-int *v = &(ob->quota_value);
-int default_value = 0;
+double default_value = 0.0;
int i;
addrlist = addrlist; /* Keep picky compilers happy */
dummy = dummy;
+uid = uid;
+gid = gid;
/* Loop for quota, quota_filecount, quota_warn_threshold, mailbox_size,
mailbox_filecount */
for (i = 0; i < 5; i++)
{
- if (q == NULL) *v = default_value; else
+ double d;
+ uschar *which = NULL;
+
+ if (q == NULL) d = default_value; else
{
- double d;
uschar *rest;
uschar *s = expand_string(q);
d = Ustrtod(s, &rest);
- /* Handle following characters K, M, %, the latter being permitted
+ /* Handle following characters K, M, G, %, the latter being permitted
for quota_warn_threshold only. A threshold with no quota setting is
just ignored. */
if (tolower(*rest) == 'k') { d *= 1024.0; rest++; }
else if (tolower(*rest) == 'm') { d *= 1024.0*1024.0; rest++; }
+ else if (tolower(*rest) == 'g') { d *= 1024.0*1024.0*1024.0; rest++; }
else if (*rest == '%' && i == 2)
{
if (ob->quota_value <= 0 && !ob->maildir_use_size_file) d = 0;
"in %s transport", s, q, tblock->name);
return FAIL;
}
-
- *v = (int)d;
}
+ /* Set each value, checking for possible overflow. */
+
switch (i)
{
case 0:
+ if (d >= 2.0*1024.0*1024.0*1024.0 && sizeof(off_t) <= 4) which = US"quota";
+ ob->quota_value = (off_t)d;
q = ob->quota_filecount;
- v = &(ob->quota_filecount_value);
break;
case 1:
+ if (d >= 2.0*1024.0*1024.0*1024.0) which = US"quota_filecount";
+ ob->quota_filecount_value = (int)d;
q = ob->quota_warn_threshold;
- v = &(ob->quota_warn_threshold_value);
break;
case 2:
+ if (d >= 2.0*1024.0*1024.0*1024.0 && sizeof(off_t) <= 4)
+ which = US"quota_warn_threshold";
+ ob->quota_warn_threshold_value = (off_t)d;
q = ob->mailbox_size_string;
- v = &(ob->mailbox_size_value);
- default_value = -1;
+ default_value = -1.0;
break;
case 3:
+ if (d >= 2.0*1024.0*1024.0*1024.0 && sizeof(off_t) <= 4)
+ which = US"mailbox_size";;
+ ob->mailbox_size_value = (off_t)d;
q = ob->mailbox_filecount_string;
- v = &(ob->mailbox_filecount_value);
+ break;
+
+ case 4:
+ if (d >= 2.0*1024.0*1024.0*1024.0) which = US"mailbox_filecount";
+ ob->mailbox_filecount_value = (int)d;
break;
}
+
+ if (which != NULL)
+ {
+ *errmsg = string_sprintf("%s value %.10g is too large (overflow) in "
+ "%s transport", which, d, tblock->name);
+ return FAIL;
+ }
}
return OK;
*/
static void
-notify_comsat(uschar *user, int offset)
+notify_comsat(uschar *user, off_t offset)
{
struct servent *sp;
host_item host;
DEBUG(D_transport) debug_printf("notify_comsat called\n");
-sprintf(CS buffer, "%.200s@%d\n", user, offset);
+sprintf(CS buffer, "%.200s@" OFF_T_FMT "\n", user, offset);
if ((sp = getservbyname("biff", "udp")) == NULL)
{
until one succeeds. However, it appears that at least on some systems, comsat
doesn't listen on the ::1 address. So for the moment, just force the address to
be 127.0.0.1. At some future stage, when IPv6 really is superseding IPv4, this
-can be changed. */
+can be changed. (But actually, comsat is probably dying out anyway.) */
/******
-if (host_find_byname(&host, NULL, NULL, FALSE) == HOST_FIND_FAILED)
+if (host_find_byname(&host, NULL, 0, NULL, FALSE) == HOST_FIND_FAILED)
{
DEBUG(D_transport) debug_printf("\"localhost\" unknown\n");
return;
(void)ip_connect(sock, host_af, h->address, ntohs(sp->s_port), 0);
rc = send(sock, buffer, Ustrlen(buffer) + 1, 0);
- close(sock);
+ (void)close(sock);
if (rc >= 0) break;
DEBUG(D_transport)
zero if the directory cannot be opened
*/
-int
+off_t
check_dir_size(uschar *dirname, int *countptr, const pcre *regex)
{
DIR *dir;
-int sum = 0;
+off_t sum = 0;
int count = *countptr;
struct dirent *ent;
struct stat statbuf;
if (pcre_exec(regex, NULL, CS name, Ustrlen(name), 0, 0, ovector,6) >= 2)
{
uschar *endptr;
- int size = Ustrtol(name + ovector[2], &endptr, 10);
+ off_t size = (off_t)Ustrtod(name + ovector[2], &endptr);
if (endptr == name + ovector[3])
{
sum += size;
DEBUG(D_transport)
- debug_printf("check_dir_size: size from %s is %d\n", name, size);
+ debug_printf("check_dir_size: size from %s is " OFF_T_FMT "\n", name,
+ size);
continue;
}
}
closedir(dir);
DEBUG(D_transport)
- debug_printf("check_dir_size: dir=%s sum=%d count=%d\n", dirname, sum, count);
+ debug_printf("check_dir_size: dir=%s sum=" OFF_T_FMT " count=%d\n", dirname,
+ sum, count);
+
*countptr = count;
return sum;
}
#define MBX_NUSERFLAGS 30
static int
-copy_mbx_message(int to_fd, int from_fd, int saved_size)
+copy_mbx_message(int to_fd, int from_fd, off_t saved_size)
{
-int used, size;
+int used;
+off_t size;
struct stat statbuf;
/* If the current mailbox size is zero, write a header block */
if (fstat(from_fd, &statbuf) < 0) return DEFER;
size = statbuf.st_size;
-sprintf (CS deliver_out_buffer, "%s,%lu;%08lx%04x-%08x\015\012",
- tod_stamp(tod_mbx), (long unsigned int)size, 0L, 0, 0);
+sprintf (CS deliver_out_buffer, "%s," OFF_T_FMT ";%08lx%04x-%08x\015\012",
+ tod_stamp(tod_mbx), size, 0L, 0, 0);
used = Ustrlen(deliver_out_buffer);
/* Rewind the temporary file, and copy it over in chunks. */
uschar *path;
struct utimbuf times;
struct timeval msg_tv;
+BOOL disable_quota = FALSE;
BOOL isdirectory = FALSE;
BOOL isfifo = FALSE;
BOOL wait_for_tick = FALSE;
gid_t gid = getegid();
int mbformat;
int mode = (addr->mode > 0)? addr->mode : ob->mode;
-int saved_size = -1;
-int mailbox_size = ob->mailbox_size_value;
+off_t saved_size = -1;
+off_t mailbox_size = ob->mailbox_size_value;
int mailbox_filecount = ob->mailbox_filecount_value;
int hd = -1;
int fd = -1;
return FALSE;
}
-/* For a file delivery, make sure the local part in the address is updated to
-the true local part. */
+/* For a file delivery, make sure the local part in the address(es) is updated
+to the true local part. */
-if (testflag(addr, af_file)) addr->local_part = string_copy(path);
+if (testflag(addr, af_file))
+ {
+ address_item *addr2;
+ for (addr2 = addr; addr2 != NULL; addr2 = addr2->next)
+ addr2->local_part = string_copy(path);
+ }
/* The available mailbox formats depend on whether it is a directory or a file
delivery. */
DEBUG(D_transport)
{
- debug_printf("appendfile: mode=%o notify_comsat=%d quota=%d warning=%d%s\n"
+ debug_printf("appendfile: mode=%o notify_comsat=%d quota=" OFF_T_FMT
+ " warning=" OFF_T_FMT "%s\n"
" %s=%s format=%s\n message_prefix=%s\n message_suffix=%s\n "
"maildir_use_size_file=%s\n",
- mode, ob->notify_comsat, ob->quota_value, ob->quota_warn_threshold_value,
+ mode, ob->notify_comsat, ob->quota_value,
+ ob->quota_warn_threshold_value,
ob->quota_warn_threshold_is_percent? "%" : "",
isdirectory? "directory" : "file",
path, mailbox_formats[mbformat],
if (cfd >= 0)
{
transport_instance *tt = check_file_format(cfd, tblock, addr);
- close(cfd);
+ (void)close(cfd);
/* If another transport is indicated, call it and return; if no transport
was found, just return - the error data will have been set up.*/
sufficiently worried. */
if ((rc = Ulink(hitchname, lockname)) != 0) fstat(hd, &statbuf);
- close(hd);
+ (void)close(hd);
Uunlink(hitchname);
if (rc != 0 && statbuf.st_nlink != 2)
{
/* We have successfully created and opened the file. Ensure that the group
and the mode are correct. */
- Uchown(filename, uid, gid);
- Uchmod(filename, mode);
+ (void)Uchown(filename, uid, gid);
+ (void)Uchmod(filename, mode);
}
}
}
- mbx_lockfd = Uopen(mbx_lockname, O_RDWR | O_CREAT, 0600);
+ mbx_lockfd = Uopen(mbx_lockname, O_RDWR | O_CREAT, ob->lockfile_mode);
if (mbx_lockfd < 0)
{
addr->basic_errno = ERRNO_LOCKFAILED;
goto RETURN;
}
- Uchmod(mbx_lockname, 0600);
+ (void)Uchmod(mbx_lockname, ob->lockfile_mode);
if (apply_lock(mbx_lockfd, F_WRLCK, ob->use_fcntl,
ob->lock_fcntl_timeout, ob->use_flock, ob->lock_flock_timeout) >= 0)
DEBUG(D_transport) debug_printf("failed to lock %s: %s\n", mbx_lockname,
strerror(errno));
- close(mbx_lockfd);
+ (void)close(mbx_lockfd);
mbx_lockfd = -1;
}
else
DEBUG(D_transport)
debug_printf("fcntl(), flock(), or MBX locking failed - retrying\n");
- close(fd);
+ (void)close(fd);
fd = -1;
use_lstat = TRUE; /* Reset to use lstat first */
}
#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 */
const uschar *error;
int offset;
- /* Compile the regex if there is one */
+ /* Compile the regex if there is one. */
if (ob->quota_size_regex != NULL)
{
ob->quota_size_regex);
return FALSE;
}
- else
- {
- DEBUG(D_transport) debug_printf("using regex for file sizes: %s\n",
- ob->quota_size_regex);
- }
+ DEBUG(D_transport) debug_printf("using regex for file sizes: %s\n",
+ ob->quota_size_regex);
}
/* Use an explicitly configured directory if set */
{
*slash = 0;
check_path = new_check_path;
+ DEBUG(D_transport) debug_printf("maildirfolder file exists: "
+ "quota check directory changed to %s\n", check_path);
}
}
}
if (ob->maildir_dir_regex != NULL)
{
+ int check_path_len = Ustrlen(check_path);
+
dir_regex = pcre_compile(CS ob->maildir_dir_regex, PCRE_COPT,
(const char **)&error, &offset, NULL);
if (dir_regex == NULL)
ob->maildir_dir_regex);
return FALSE;
}
- else
+
+ DEBUG(D_transport)
+ debug_printf("using regex for maildir directory selection: %s\n",
+ ob->maildir_dir_regex);
+
+ /* Check to see if we are delivering into an ignored directory, that is,
+ if the delivery path starts with the quota check path, and the rest
+ of the deliver path matches the regex; if so, set a flag to disable quota
+ checking and maildirsize updating. */
+
+ if (Ustrncmp(path, check_path, check_path_len) == 0)
{
- DEBUG(D_transport)
- debug_printf("using regex for maildir directory selection: %s\n",
- ob->maildir_dir_regex);
+ uschar *s = path + check_path_len;
+ while (*s == '/') s++;
+ s = (*s == 0)? US "new" : string_sprintf("%s/new", s);
+ if (pcre_exec(dir_regex, NULL, CS s, Ustrlen(s), 0, 0, NULL, 0) < 0)
+ {
+ disable_quota = TRUE;
+ DEBUG(D_transport) debug_printf("delivery directory does not match "
+ "maildir_quota_directory_regex: disabling quota\n");
+ }
}
}
/* if (???? || ob->quota_value > 0) */
+ if (!disable_quota)
{
- int size, filecount;
+ off_t size;
+ int filecount;
maildirsize_fd = maildir_ensure_sizefile(check_path, ob, regex, dir_regex,
&size, &filecount);
}
#endif /* SUPPORT_MAILDIR */
- /* Otherwise (mailbox_size is not yet set), if we are going to do a quota
- check later on, find the current size of the mailbox. (We don't need to check
- ob->quota_filecount_value, because it can only be set if ob->quota_value is
- set.) */
+ /* Otherwise if we are going to do a quota check later on, and the mailbox
+ size is not set, find the current size of the mailbox. Ditto for the file
+ count. Note that ob->quota_filecount_value cannot be set without
+ ob->quota_value being set. */
- if ((mailbox_size < 0 || mailbox_filecount < 0) &&
- (ob->quota_value > 0 || THRESHOLD_CHECK))
+ if (!disable_quota &&
+ (ob->quota_value > 0 || THRESHOLD_CHECK) &&
+ (mailbox_size < 0 ||
+ (mailbox_filecount < 0 && ob->quota_filecount_value > 0)))
{
- int size;
+ off_t size;
int filecount = 0;
DEBUG(D_transport)
debug_printf("quota checks on directory %s\n", check_path);
/* Why are these here? Put in because they are present in the non-maildir
directory case above. */
- Uchown(filename, uid, gid);
- Uchmod(filename, mode);
+ (void)Uchown(filename, uid, gid);
+ (void)Uchmod(filename, mode);
}
#endif /* SUPPORT_MAILDIR */
/* Why are these here? Put in because they are present in the non-maildir
directory case above. */
- Uchown(filename, uid, gid);
- Uchmod(filename, mode);
+ (void)Uchown(filename, uid, gid);
+ (void)Uchmod(filename, mode);
/* Built a C stream from the open file descriptor. */
addr->transport_return = PANIC;
addr->message = string_sprintf("fdopen of %s ("
"for %s transport) failed", filename, tblock->name);
- close(fd);
+ (void)close(fd);
Uunlink(filename);
return FALSE;
}
addr->message = string_sprintf("Expansion of \"%s\" (mailstore "
"prefix for %s transport) failed: %s", ob->mailstore_prefix,
tblock->name, expand_string_message);
- fclose(env_file);
+ (void)fclose(env_file);
Uunlink(filename);
return FALSE;
}
addr->message = string_sprintf("Expansion of \"%s\" (mailstore "
"suffix for %s transport) failed: %s", ob->mailstore_suffix,
tblock->name, expand_string_message);
- fclose(env_file);
+ (void)fclose(env_file);
Uunlink(filename);
return FALSE;
}
Uunlink(filename);
return FALSE;
}
- Uchown(dataname, uid, gid);
- Uchmod(dataname, mode);
+ (void)Uchown(dataname, uid, gid);
+ (void)Uchmod(dataname, mode);
}
#endif /* SUPPORT_MAILSTORE */
/* 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. */
- Uchown(filename, uid, gid);
- Uchmod(filename, mode);
+ (void)Uchown(filename, uid, gid);
+ (void)Uchmod(filename, mode);
}
is for the mailbox already being over quota (i.e. the current message is not
included in the check). */
-if (ob->quota_value > 0)
+if (!disable_quota && ob->quota_value > 0)
{
DEBUG(D_transport)
{
- debug_printf("Exim quota = %d old size = %d this message = %d "
- "(%sincluded)\n", ob->quota_value, mailbox_size, message_size,
+ debug_printf("Exim quota = " OFF_T_FMT " old size = " OFF_T_FMT
+ " this message = %d (%sincluded)\n",
+ ob->quota_value, mailbox_size, message_size,
ob->quota_is_inclusive? "" : "not ");
debug_printf(" file count quota = %d count = %d\n",
ob->quota_filecount_value, mailbox_filecount);
/* Preserve errno while closing the temporary file. */
mbx_save_errno = errno;
- fclose(temp_file);
+ (void)fclose(temp_file);
errno = mbx_save_errno;
}
#endif /* SUPPORT_MBX */
message_size = transport_count;
/* If using a maildir++ quota file, add this message's size to it, and
-close the file descriptor. */
+close the file descriptor, except when the quota has been disabled because we
+are delivering into an uncounted folder. */
#ifdef SUPPORT_MAILDIR
-if (yield == OK && maildirsize_fd >= 0)
- maildir_record_length(maildirsize_fd, message_size);
-
-maildir_save_errno = errno; /* Preserve errno while closing the file */
-close(maildirsize_fd);
-errno = maildir_save_errno;
+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);
+ errno = maildir_save_errno;
+ }
#endif /* SUPPORT_MAILDIR */
/* If there is a quota warning threshold and we are have crossed it with this
message, set the SPECIAL_WARN flag in the address, to cause a warning message
to be sent. */
-if (THRESHOLD_CHECK)
+if (!disable_quota && THRESHOLD_CHECK)
{
- int threshold = ob->quota_warn_threshold_value;
+ off_t threshold = ob->quota_warn_threshold_value;
if (ob->quota_warn_threshold_is_percent)
- threshold = (int)(((double)ob->quota_value * threshold) / 100);
+ threshold = (off_t)(((double)ob->quota_value * threshold) / 100);
DEBUG(D_transport)
- debug_printf("quota = %d threshold = %d old size = %d message size = %d\n",
- ob->quota_value, threshold, mailbox_size, message_size);
+ debug_printf("quota = " OFF_T_FMT
+ " threshold = " OFF_T_FMT
+ " old size = " OFF_T_FMT
+ " message size = %d\n",
+ ob->quota_value, threshold, mailbox_size,
+ message_size);
if (mailbox_size <= threshold && mailbox_size + message_size > threshold)
addr->special_action = SPECIAL_WARN;
from child_close() is in more_errno. */
else if (errno == ERRNO_FILTER_FAIL)
- addr->message = string_sprintf("filter process failure %d while writing "
- "to %s", addr->more_errno, dataname);
+ {
+ yield = PANIC;
+ addr->message = string_sprintf("transport filter process failed (%d) "
+ "while writing to %s%s", addr->more_errno, dataname,
+ (addr->more_errno == EX_EXECFAILED)? ": unable to execute command" : "");
+ }
/* Handle failure to expand header changes */
investigated so far have ftruncate(), whereas not all have the F_FREESP
fcntl() call (BSDI & FreeBSD do not). */
- if (!isdirectory) ftruncate(fd, saved_size);
+ if (!isdirectory) (void)ftruncate(fd, saved_size);
}
/* Handle successful writing - we want the modification time to be now for
debug_printf("unlinking MBX lock file %s\n", mbx_lockname);
Uunlink(mbx_lockname);
}
- close(mbx_lockfd);
+ (void)close(mbx_lockfd);
}
#endif /* SUPPORT_MBX */
git://git.exim.org / exim.git / blobdiff