1 /*************************************************
2 * Exim - an Internet mail transport agent *
3 *************************************************/
6 * Exim - SPF lookup module using libspf2
7 * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
9 * Copyright (c) 2005 Chris Webb, Arachsys Internet Services Ltd
11 * This program is free software; you can redistribute it and/or
12 * modify it under the terms of the GNU General Public License
13 * as published by the Free Software Foundation; either version 2
14 * of the License, or (at your option) any later version.
20 #ifndef EXPERIMENTAL_SPF
21 static void dummy(int x
);
22 static void dummy2(int x
) { dummy(x
-1); }
23 static void dummy(int x
) { dummy2(x
-1); }
26 #include "lf_functions.h"
31 #include <spf2/spf_dns_resolv.h>
32 #include <spf2/spf_dns_cache.h>
35 spf_open(uschar
*filename
, uschar
**errmsg
)
37 SPF_server_t
*spf_server
= NULL
;
38 spf_server
= SPF_server_new(SPF_DNS_CACHE
, 0);
39 if (spf_server
== NULL
) {
40 *errmsg
= US
"SPF_server_new() failed";
43 return (void *) spf_server
;
47 spf_close(void *handle
)
49 SPF_server_t
*spf_server
= handle
;
50 if (spf_server
) SPF_server_free(spf_server
);
54 spf_find(void *handle
, uschar
*filename
, uschar
*keystring
, int key_len
,
55 uschar
**result
, uschar
**errmsg
, uint
*do_cache
)
57 SPF_server_t
*spf_server
= handle
;
58 SPF_request_t
*spf_request
= NULL
;
59 SPF_response_t
*spf_response
= NULL
;
61 spf_request
= SPF_request_new(spf_server
);
62 if (spf_request
== NULL
) {
63 *errmsg
= US
"SPF_request_new() failed";
67 if (SPF_request_set_ipv4_str(spf_request
, CS filename
)) {
68 *errmsg
= string_sprintf("invalid IP address '%s'", filename
);
71 if (SPF_request_set_env_from(spf_request
, CS keystring
)) {
72 *errmsg
= string_sprintf("invalid envelope from address '%s'", keystring
);
76 SPF_request_query_mailfrom(spf_request
, &spf_response
);
77 *result
= string_copy(US
SPF_strresult(SPF_response_result(spf_response
)));
78 SPF_response_free(spf_response
);
79 SPF_request_free(spf_request
);
84 /*************************************************
85 * Version reporting entry point *
86 *************************************************/
88 /* See local README for interface description. */
90 #include "../version.h"
93 spf_version_report(FILE *f
)
96 fprintf(f
, "Library version: SPF: Exim version %s\n", EXIM_VERSION_STR
);
101 static lookup_info _lookup_info
= {
102 US
"spf", /* lookup name */
103 0, /* not absfile, not query style */
104 spf_open
, /* open function */
105 NULL
, /* no check function */
106 spf_find
, /* find function */
107 spf_close
, /* close function */
108 NULL
, /* no tidy function */
109 NULL
, /* no quoting function */
110 spf_version_report
/* version reporting */
114 #define spf_lookup_module_info _lookup_module_info
117 static lookup_info
*_lookup_list
[] = { &_lookup_info
};
118 lookup_module_info spf_lookup_module_info
= { LOOKUP_MODULE_INFO_MAGIC
, _lookup_list
, 1 };
120 #endif /* EXPERIMENTAL_SPF */