in chapter &<<CHAPinterfaces>>&. When &%-oX%& is used to start a daemon, no pid
file is written unless &%-oP%& is also present to specify a pid filename.
+.new
+.vitem &%-oY%&
+.oindex &%-oY%&
+.cindex "daemon notifier socket"
+This option controls the creation of an inter-process communications endpoint
+by the Exim daemon.
+It is only relevant when the &%-bd%& (start listening daemon) option is also
+given.
+Normally the daemon creates this socket, unless a &%-oX%& and &*no*& &%-oP%&
+option is also present.
+If this option is given then the socket will not be created. This could be
+required if the system is running multiple daemons.
+
+The socket is currently used for
+.ilist
+fast ramp-up of queue runner processes
+.next
+obtaining a current queue size
+.endlist
+.wen
+
.vitem &%-pd%&
.oindex "&%-pd%&"
.cindex "Perl" "starting the interpreter"
The lookup type may optionally be followed by a comma
and a comma-separated list of options.
Each option is a &"name=value"& pair.
-Whether an option is meaningful depands on the lookup type.
+Whether an option is meaningful depends on the lookup type.
All lookups support the option &"cache=no_rd"&.
If this is given then the cache that Exim manages for lookup results
-is not checked before diong the lookup.
+is not checked before doing the lookup.
The result of the lookup is still written to the cache.
.wen
.section "Local part lists" "SECTlocparlis"
.cindex "list" "local part list"
.cindex "local part" "list"
+These behave in the same way as domain and host lists, with the following
+changes:
+
Case-sensitivity in local part lists is handled in the same way as for address
lists, as just described. The &"+caseful"& item can be used if required. In a
setting of the &%local_parts%& option in a router with &%caseful_local_part%&
is done by calling the &[stat()]& function. The use of the &%exists%& test in
users' filter files may be locked out by the system administrator.
+.new
+&*Note:*& Testing a path using this condition is not a sufficient way of
+de-tainting it.
+.wen
+
.vitem &*first_delivery*&
.cindex "delivery" "first"
.cindex "first delivery"
.cindex "spool" "number of messages"
This variable contains the number of messages queued.
It is evaluated on demand, but no more often than once every minute.
+If there is no daemon notifier socket open, the value will be
+an empty string.
.vitem &$r_...$&
.vindex &$r_...$&
The option is expanded before use.
If the platform supports Linux-style abstract socket names, the result
is used with a nul byte prefixed.
-Otherwise, it should be a full path name and use a directory accessible
+Otherwise,
+.new "if nonempty,"
+it should be a full path name and use a directory accessible
to Exim.
-If the Exim command line uses a &%-oX%& option and does not use &%-oP%&
+.new
+If this option is set as empty,
+or the command line &%-oY%& option is used, or
+.wen
+the command line uses a &%-oX%& option and does not use &%-oP%&,
then a notifier socket is not created.
used to determine the file or directory name for the delivery. Normally, the
contents of &$address_file$& are used in some way in the string expansion.
.endlist
+If the &%create_file%& option is set to a path which
+matches (see the option definition below for details)
+a file or directory name
+for the delivery, that name becomes de-tainted.
+
.cindex "tainted data" "in filenames"
.cindex appendfile "tainted data"
Tainted data may not be used for a file or directory name.
delivery, it applies to the top level directory, not the maildir directories
beneath.
+.new
The option must be set to one of the words &"anywhere"&, &"inhome"&, or
-&"belowhome"&. In the second and third cases, a home directory must have been
-set for the transport. This option is not useful when an explicit filename is
+&"belowhome"&, or to an absolute path.
+.wen
+
+In the second and third cases, a home directory must have been
+set for the transport, and the file or directory being created must
+reside within it.
+The "belowhome" checking additionally checks for attempts to use "../"
+to evade the testing.
+This option is not useful when an explicit filename is
given for normal mailbox deliveries. It is intended for the case when filenames
are generated from users' &_.forward_& files. These are usually handled
by an &(appendfile)& transport called &%address_file%&. See also
&%file_must_exist%&.
+.new
+In the fourth case,
+the value given for this option must be an absolute path for an
+existing directory.
+The value is used for checking instead of a home directory;
+checking is done in "belowhome" mode.
+
+.cindex "tainted data" "de-tainting"
+If "belowhome" checking is used, the file or directory path
+becomes de-tainted.
+.wen
+
.option directory appendfile string&!! unset
This option is mutually exclusive with the &%file%& option, but one of &%file%&
(see &%maildir_format%& and &%mailstore_format%&), and see section
&<<SECTopdir>>& for further details of this form of delivery.
+.new
+The result of expansion must not be tainted, unless the &%create_file%& option
+specifies a path.
+.wen
+
.option directory_file appendfile string&!! "see below"
.cindex "base62"
&%use_fcntl_lock%&, &%use_flock_lock%&, or &%use_lockfile%& must be set with
&%file%&.
+.new
+The result of expansion must not be tainted, unless the &%create_file%& option
+specifies a path.
+.wen
+
.cindex "NFS" "lock file"
.cindex "locking files"
.cindex "lock files"
&'reject '& The DMARC check failed and the library recommends rejecting the email.
&'quarantine '& The DMARC check failed and the library recommends keeping it for further inspection.
&'none '& The DMARC check passed and the library recommends no specific action, neutral.
-&'norecord '& No policy section in the DMARC record for this sender domain.
+&'norecord '& No policy section in the DMARC record for this RFC5322.From field
&'nofrom '& Unable to determine the domain of the sender.
&'temperror '& Library error or dns error.
&'off '& The DMARC check was disabled for this email.
git://git.exim.org / users / jgh / exim.git / blobdiff