Adding upstream version 4.94.2.upstream/4.94.2upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 142 insertions, 0 deletions

diff --git a/src/routers/accept.c b/src/routers/accept.c
new file mode 100644
index 0000000..3cb43b6
--- /dev/null
+++ b/src/routers/accept.c
@@ -0,0 +1,142 @@
+/*************************************************
+*     Exim - an Internet mail transport agent    *
+*************************************************/
+
+/* Copyright (c) University of Cambridge 1995 - 2018 */
+/* Copyright (c) The Exim Maintainers 2020 */
+/* 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;
+
+addr_new = addr_new;  /* Keep picky compilers happy */
+addr_succeed = addr_succeed;
+
+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 */