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/*************************************************
* Exim - an Internet mail transport agent *
*************************************************/
/* Copyright (c) University of Cambridge 1995 - 2018 */
/* Copyright (c) The Exim Maintainers 2020 - 2021 */
/* See the file NOTICE for conditions of use and distribution. */
#include "../exim.h"
#include "rf_functions.h"
#include "accept.h"
/* Options specific to the accept router. Because some compilers do not like
empty declarations ("undefined" in the Standard) we put in a dummy value. */
optionlist accept_router_options[] = {
{ "", opt_hidden, {NULL} }
};
/* Size of the options list. An extern variable has to be used so that its
address can appear in the tables drtables.c. */
int accept_router_options_count =
sizeof(accept_router_options)/sizeof(optionlist);
/* Default private options block for the accept router. Again, a dummy
value is used. */
accept_router_options_block accept_router_option_defaults = {
NULL /* dummy */
};
#ifdef MACRO_PREDEF
/* Dummy entries */
void accept_router_init(router_instance *rblock) {}
int accept_router_entry(router_instance *rblock, address_item *addr,
struct passwd *pw, int verify, address_item **addr_local,
address_item **addr_remote, address_item **addr_new,
address_item **addr_succeed) {return 0;}
#else /*!MACRO_PREDEF*/
/*************************************************
* Initialization entry point *
*************************************************/
/* Called for each instance, after its options have been read, to enable
consistency checks to be done, or anything else that needs to be set up. */
void accept_router_init(router_instance *rblock)
{
/*
accept_router_options_block *ob =
(accept_router_options_block *)(rblock->options_block);
*/
/* By default, log deliveries via this router as local deliveries. We can't
just leave it as TRUE_UNSET, because the global default is FALSE. */
if (rblock->log_as_local == TRUE_UNSET) rblock->log_as_local = TRUE;
}
/*************************************************
* Main entry point *
*************************************************/
/* See local README for interface description. This router returns:
DEFER
. verifying the errors address caused a deferment or a big disaster such
as an expansion failure (rf_get_errors_address)
. expanding a headers_{add,remove} string caused a deferment or another
expansion error (rf_get_munge_headers)
. a problem in rf_get_transport: no transport when one is needed;
failed to expand dynamic transport; failed to find dynamic transport
. failure to expand or find a uid/gid (rf_get_ugid via rf_queue_add)
OK
added address to addr_local or addr_remote, as appropriate for the
type of transport
*/
int accept_router_entry(
router_instance *rblock, /* data for this instantiation */
address_item *addr, /* address we are working on */
struct passwd *pw, /* passwd entry after check_local_user */
int verify, /* v_none/v_recipient/v_sender/v_expn */
address_item **addr_local, /* add it to this if it's local */
address_item **addr_remote, /* add it to this if it's remote */
address_item **addr_new, /* put new addresses on here */
address_item **addr_succeed) /* put old address here on success */
{
/*
accept_router_options_block *ob =
(accept_router_options_block *)(rblock->options_block);
*/
int rc;
uschar *errors_to;
uschar *remove_headers;
header_line *extra_headers;
DEBUG(D_route) debug_printf("%s router called for %s\n domain = %s\n",
rblock->name, addr->address, addr->domain);
/* Set up the errors address, if any. */
rc = rf_get_errors_address(addr, rblock, verify, &errors_to);
if (rc != OK) return rc;
/* Set up the additional and removable headers for the address. */
rc = rf_get_munge_headers(addr, rblock, &extra_headers, &remove_headers);
if (rc != OK) return rc;
/* Set the transport and accept the address; update its errors address and
header munging. Initialization ensures that there is a transport except when
verifying. */
if (!rf_get_transport(rblock->transport_name, &(rblock->transport),
addr, rblock->name, NULL)) return DEFER;
addr->transport = rblock->transport;
addr->prop.errors_address = errors_to;
addr->prop.extra_headers = extra_headers;
addr->prop.remove_headers = remove_headers;
return rf_queue_add(addr, addr_local, addr_remote, rblock, pw)? OK : DEFER;
}
#endif /*!MACRO_PREDEF*/
/* End of routers/accept.c */
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