1 /*************************************************
2 * Exim - an Internet mail transport agent *
3 *************************************************/
5 /* Copyright (c) University of Cambridge 1995 - 2018 */
6 /* Copyright (c) The Exim Maintainers 2020 */
7 /* See the file NOTICE for conditions of use and distribution. */
11 #include "rf_functions.h"
15 /* Options specific to the accept router. Because some compilers do not like
16 empty declarations ("undefined" in the Standard) we put in a dummy value. */
18 optionlist accept_router_options[] = {
19 { "", opt_hidden, {NULL} }
22 /* Size of the options list. An extern variable has to be used so that its
23 address can appear in the tables drtables.c. */
25 int accept_router_options_count =
26 sizeof(accept_router_options)/sizeof(optionlist);
28 /* Default private options block for the accept router. Again, a dummy
31 accept_router_options_block accept_router_option_defaults = {
39 void accept_router_init(router_instance *rblock) {}
40 int accept_router_entry(router_instance *rblock, address_item *addr,
41 struct passwd *pw, int verify, address_item **addr_local,
42 address_item **addr_remote, address_item **addr_new,
43 address_item **addr_succeed) {return 0;}
45 #else /*!MACRO_PREDEF*/
49 /*************************************************
50 * Initialization entry point *
51 *************************************************/
53 /* Called for each instance, after its options have been read, to enable
54 consistency checks to be done, or anything else that needs to be set up. */
56 void accept_router_init(router_instance *rblock)
59 accept_router_options_block *ob =
60 (accept_router_options_block *)(rblock->options_block);
63 /* By default, log deliveries via this router as local deliveries. We can't
64 just leave it as TRUE_UNSET, because the global default is FALSE. */
66 if (rblock->log_as_local == TRUE_UNSET) rblock->log_as_local = TRUE;
71 /*************************************************
73 *************************************************/
75 /* See local README for interface description. This router returns:
78 . verifying the errors address caused a deferment or a big disaster such
79 as an expansion failure (rf_get_errors_address)
80 . expanding a headers_{add,remove} string caused a deferment or another
81 expansion error (rf_get_munge_headers)
82 . a problem in rf_get_transport: no transport when one is needed;
83 failed to expand dynamic transport; failed to find dynamic transport
84 . failure to expand or find a uid/gid (rf_get_ugid via rf_queue_add)
87 added address to addr_local or addr_remote, as appropriate for the
91 int accept_router_entry(
92 router_instance *rblock, /* data for this instantiation */
93 address_item *addr, /* address we are working on */
94 struct passwd *pw, /* passwd entry after check_local_user */
95 int verify, /* v_none/v_recipient/v_sender/v_expn */
96 address_item **addr_local, /* add it to this if it's local */
97 address_item **addr_remote, /* add it to this if it's remote */
98 address_item **addr_new, /* put new addresses on here */
99 address_item **addr_succeed) /* put old address here on success */
102 accept_router_options_block *ob =
103 (accept_router_options_block *)(rblock->options_block);
107 uschar *remove_headers;
108 header_line *extra_headers;
110 addr_new = addr_new; /* Keep picky compilers happy */
111 addr_succeed = addr_succeed;
113 DEBUG(D_route) debug_printf("%s router called for %s\n domain = %s\n",
114 rblock->name, addr->address, addr->domain);
116 /* Set up the errors address, if any. */
118 rc = rf_get_errors_address(addr, rblock, verify, &errors_to);
119 if (rc != OK) return rc;
121 /* Set up the additional and removable headers for the address. */
123 rc = rf_get_munge_headers(addr, rblock, &extra_headers, &remove_headers);
124 if (rc != OK) return rc;
126 /* Set the transport and accept the address; update its errors address and
127 header munging. Initialization ensures that there is a transport except when
130 if (!rf_get_transport(rblock->transport_name, &(rblock->transport),
131 addr, rblock->name, NULL)) return DEFER;
133 addr->transport = rblock->transport;
134 addr->prop.errors_address = errors_to;
135 addr->prop.extra_headers = extra_headers;
136 addr->prop.remove_headers = remove_headers;
138 return rf_queue_add(addr, addr_local, addr_remote, rblock, pw)? OK : DEFER;
141 #endif /*!MACRO_PREDEF*/
142 /* End of routers/accept.c */