1 /* $Cambridge: exim/src/src/lookups/spf.c,v 1.2 2005/06/27 18:01:02 tom Exp $ */
3 /*************************************************
4 * Exim - an Internet mail transport agent *
5 *************************************************/
8 * Exim - SPF lookup module using libspf2
9 * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
11 * Copyright (c) 2005 Chris Webb, Arachsys Internet Services Ltd
13 * This program is free software; you can redistribute it and/or
14 * modify it under the terms of the GNU General Public License
15 * as published by the Free Software Foundation; either version 2
16 * of the License, or (at your option) any later version.
22 #ifndef EXPERIMENTAL_SPF
23 static void dummy(int x
) { dummy(x
-1); }
26 #include "lf_functions.h"
32 #include <spf2/spf_dns_resolv.h>
33 #include <spf2/spf_dns_cache.h>
35 void *spf_open(uschar
*filename
, uschar
**errmsg
) {
36 SPF_server_t
*spf_server
= NULL
;
37 spf_server
= SPF_server_new(SPF_DNS_CACHE
, 0);
38 if (spf_server
== NULL
) {
39 *errmsg
= US
"SPF_server_new() failed";
42 return (void *) spf_server
;
45 void spf_close(void *handle
) {
46 SPF_server_t
*spf_server
= handle
;
47 if (spf_server
) SPF_server_free(spf_server
);
50 int spf_find(void *handle
, uschar
*filename
, uschar
*keystring
, int key_len
,
51 uschar
**result
, uschar
**errmsg
, BOOL
*do_cache
) {
52 SPF_server_t
*spf_server
= handle
;
53 SPF_request_t
*spf_request
= NULL
;
54 SPF_response_t
*spf_response
= NULL
;
56 spf_request
= SPF_request_new(spf_server
);
57 if (spf_request
== NULL
) {
58 *errmsg
= US
"SPF_request_new() failed";
62 if (SPF_request_set_ipv4_str(spf_request
, filename
)) {
63 *errmsg
= string_sprintf("invalid IP address '%s'", filename
);
66 if (SPF_request_set_env_from(spf_request
, keystring
)) {
67 *errmsg
= string_sprintf("invalid envelope from address '%s'", keystring
);
71 SPF_request_query_mailfrom(spf_request
, &spf_response
);
72 *result
= string_copy(US
SPF_strresult(SPF_response_result(spf_response
)));
73 SPF_response_free(spf_response
);
74 SPF_request_free(spf_request
);
78 #endif /* EXPERIMENTAL_SPF */