vhost.m4: Refactor virtual host routing some more.
[exim-config] / vhost.m4
1 ### -*-m4-*-
2 ###
3 ### Virtual host support for distorted.org.uk Exim configuration
4 ###
5 ### (c) 2012 Mark Wooding
6 ###
7
8 ###----- Licensing notice ---------------------------------------------------
9 ###
10 ### This program is free software; you can redistribute it and/or modify
11 ### it under the terms of the GNU General Public License as published by
12 ### the Free Software Foundation; either version 2 of the License, or
13 ### (at your option) any later version.
14 ###
15 ### This program is distributed in the hope that it will be useful,
16 ### but WITHOUT ANY WARRANTY; without even the implied warranty of
17 ### MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 ### GNU General Public License for more details.
19 ###
20 ### You should have received a copy of the GNU General Public License
21 ### along with this program; if not, write to the Free Software Foundation,
22 ### Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
23
24 m4_define(<:VHOST:>,
25 <:domains = ${if exists{CONF_sysconf_dir/domains.conf} \
26 {partial0-lsearch; CONF_sysconf_dir/domains.conf} \
27 {}}:>)
28 m4_define(<:VHOST_FILTER:>,
29 <:FILTER_BASE
30 VHOST
31 condition = DOMKV($2, {true}{false})
32 router_home_directory = DOMKV(home, {$value} fail)
33 more = ${if bool{DOMKV(final, {$value}{true})} {false} {true}}
34 $1 = ${expand:DOMKV($2)}:>)
35 m4_define(<:VHOST_USER:>,
36 <:user = DOMKV(owner, {$value}{CONF_filter_user})
37 errors_to = DOMKV(errors_to, {$value} fail):>)
38
39 ###--------------------------------------------------------------------------
40 ### Routers and transports for virtual hosting.
41
42 SECTION(routers, route)m4_dnl
43 ## If we're a front-end for some other domain, or we have special information
44 ## about the domain, then pass stuff along as instructed.
45 virtual_route:
46 driver = manualroute
47 self = fail
48 VHOST
49 condition = DOMKV(route, {true}{false})
50 route_data = DOMKV(route)
51 same_domain_copy_routing = true
52 transport = smtp
53 no_more
54
55 SECTION(routers, virtual)m4_dnl
56 ## Remap recipients according to the virtual host's instructions. This must
57 ## be done in two passes, so that we can identify the correct user's spam
58 ## threshold during address verification.
59 FILTER_ROUTER(virtual_data,
60 <:VHOST_FILTER(data, redirect):>,, <:
61 VHOST_USER:>)
62 FILTER_ROUTER(virtual_file,
63 <:VHOST_FILTER(file, filter):>,, <:
64 VHOST_USER:>)
65
66 DIVERT(null)
67 ###----- That's all, folks --------------------------------------------------