-/* $Cambridge: exim/src/src/lookups/spf.c,v 1.3 2009/11/11 14:43:28 nm4 Exp $ */
-
/*************************************************
* Exim - an Internet mail transport agent *
*************************************************/
-/*
- * Exim - SPF lookup module using libspf2
- * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
- *
- * Copyright (c) 2005 Chris Webb, Arachsys Internet Services Ltd
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version 2
- * of the License, or (at your option) any later version.
- *
- */
+/* Exim - SPF lookup module using libspf2
+ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+Copyright (c) 2005 Chris Webb, Arachsys Internet Services Ltd
+
+This program is free software; you can redistribute it and/or
+modify it under the terms of the GNU General Public License
+as published by the Free Software Foundation; either version 2
+of the License, or (at your option) any later version.
+
+Copyright (c) The Exim Maintainers 2020
+*/
#include "../exim.h"
-#ifndef EXPERIMENTAL_SPF
-static void dummy(int x) { dummy(x-1); }
+#ifndef SUPPORT_SPF
+static void dummy(int x);
+static void dummy2(int x) { dummy(x-1); }
+static void dummy(int x) { dummy2(x-1); }
#else
#include "lf_functions.h"
-#ifndef HAVE_NS_TYPE
-#define HAVE_NS_TYPE
+#if !defined(HAVE_NS_TYPE) && defined(NS_INADDRSZ)
+# define HAVE_NS_TYPE
#endif
#include <spf2/spf.h>
#include <spf2/spf_dns_resolv.h>
#include <spf2/spf_dns_cache.h>
-static void *spf_open(uschar *filename, uschar **errmsg) {
- SPF_server_t *spf_server = NULL;
- spf_server = SPF_server_new(SPF_DNS_CACHE, 0);
- if (spf_server == NULL) {
- *errmsg = US"SPF_server_new() failed";
- return NULL;
+extern SPF_dns_server_t * SPF_dns_exim_new(int);
+
+
+static void *
+spf_open(uschar *filename, uschar **errmsg)
+{
+SPF_dns_server_t * dc;
+SPF_server_t *spf_server = NULL;
+int debug = 0;
+
+DEBUG(D_lookup) debug = 1;
+
+if ((dc = SPF_dns_exim_new(debug)))
+ if ((dc = SPF_dns_cache_new(dc, NULL, debug, 8)))
+ spf_server = SPF_server_new_dns(dc, debug);
+
+if (!spf_server)
+ {
+ *errmsg = US"SPF_dns_exim_nnew() failed";
+ return NULL;
}
- return (void *) spf_server;
+return (void *) spf_server;
}
-static void spf_close(void *handle) {
- SPF_server_t *spf_server = handle;
- if (spf_server) SPF_server_free(spf_server);
+
+static void
+spf_close(void *handle)
+{
+SPF_server_t *spf_server = handle;
+if (spf_server) SPF_server_free(spf_server);
}
-static int spf_find(void *handle, uschar *filename, uschar *keystring, int key_len,
- uschar **result, uschar **errmsg, BOOL *do_cache) {
- SPF_server_t *spf_server = handle;
- SPF_request_t *spf_request = NULL;
- SPF_response_t *spf_response = NULL;
+static int
+spf_find(void *handle, uschar *filename, const uschar *keystring, int key_len,
+ uschar **result, uschar **errmsg, uint *do_cache)
+{
+SPF_server_t *spf_server = handle;
+SPF_request_t *spf_request;
+SPF_response_t *spf_response = NULL;
- spf_request = SPF_request_new(spf_server);
- if (spf_request == NULL) {
- *errmsg = US"SPF_request_new() failed";
- return FAIL;
+if (!(spf_request = SPF_request_new(spf_server)))
+ {
+ *errmsg = US"SPF_request_new() failed";
+ return FAIL;
}
- if (SPF_request_set_ipv4_str(spf_request, CS filename)) {
- *errmsg = string_sprintf("invalid IP address '%s'", filename);
+#if HAVE_IPV6
+switch (string_is_ip_address(filename, NULL))
+#else
+switch (4)
+#endif
+ {
+ case 4:
+ if (!SPF_request_set_ipv4_str(spf_request, CS filename))
+ break;
+ *errmsg = string_sprintf("invalid IPv4 address '%s'", filename);
return FAIL;
- }
- if (SPF_request_set_env_from(spf_request, CS keystring)) {
- *errmsg = string_sprintf("invalid envelope from address '%s'", keystring);
+#if HAVE_IPV6
+
+ case 6:
+ if (!SPF_request_set_ipv6_str(spf_request, CS filename))
+ break;
+ *errmsg = string_sprintf("invalid IPv6 address '%s'", filename);
return FAIL;
+
+ default:
+ *errmsg = string_sprintf("invalid IP address '%s'", filename);
+ return FAIL;
+#endif
}
- SPF_request_query_mailfrom(spf_request, &spf_response);
- *result = string_copy(US SPF_strresult(SPF_response_result(spf_response)));
- SPF_response_free(spf_response);
- SPF_request_free(spf_request);
- return OK;
+if (SPF_request_set_env_from(spf_request, CS keystring))
+ {
+ *errmsg = string_sprintf("invalid envelope from address '%s'", keystring);
+ return FAIL;
}
+SPF_request_query_mailfrom(spf_request, &spf_response);
+*result = string_copy(US SPF_strresult(SPF_response_result(spf_response)));
+
+DEBUG(D_lookup) spf_response_debug(spf_response);
+
+SPF_response_free(spf_response);
+SPF_request_free(spf_request);
+return OK;
+}
+
+
+/*************************************************
+* Version reporting entry point *
+*************************************************/
+
+/* See local README for interface description. */
+
+#include "../version.h"
+
+void
+spf_version_report(FILE *f)
+{
+#ifdef DYNLOOKUP
+fprintf(f, "Library version: SPF: Exim version %s\n", EXIM_VERSION_STR);
+#endif
+}
+
+
static lookup_info _lookup_info = {
US"spf", /* lookup name */
0, /* not absfile, not query style */
spf_find, /* find function */
spf_close, /* close function */
NULL, /* no tidy function */
- NULL /* no quoting function */
+ NULL, /* no quoting function */
+ spf_version_report /* version reporting */
};
#ifdef DYNLOOKUP
static lookup_info *_lookup_list[] = { &_lookup_info };
lookup_module_info spf_lookup_module_info = { LOOKUP_MODULE_INFO_MAGIC, _lookup_list, 1 };
-#endif /* EXPERIMENTAL_SPF */
+#endif /* SUPPORT_SPF */
git://git.exim.org / users / heiko / exim.git / blobdiff