+/* $Cambridge: exim/src/src/lookups/spf.c,v 1.1 2005/05/25 20:07:55 tom 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.
+ *
+ */
+
+#include "../exim.h"
+
+#ifndef EXPERIMENTAL_SPF
+static void dummy(int x) { dummy(x-1); }
+#else
+
+#include "lf_functions.h"
+#include "spf.h"
+#include <spf2/spf.h>
+#include <spf2/spf_dns_resolv.h>
+#include <spf2/spf_dns_cache.h>
+
+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;
+ }
+ return (void *) spf_server;
+}
+
+void spf_close(void *handle) {
+ SPF_server_t *spf_server = handle;
+ if (spf_server) SPF_server_free(spf_server);
+}
+
+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;
+
+ spf_request = SPF_request_new(spf_server);
+ if (spf_request == NULL) {
+ *errmsg = US"SPF_request_new() failed";
+ return FAIL;
+ }
+
+ if (SPF_request_set_ipv4_str(spf_request, filename)) {
+ *errmsg = string_sprintf("invalid IP address '%s'", filename);
+ return FAIL;
+ }
+ if (SPF_request_set_env_from(spf_request, 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)));
+ SPF_response_free(spf_response);
+ SPF_request_free(spf_request);
+ return OK;
+}
+
+#endif /* EXPERIMENTAL_SPF */
git://git.exim.org / users / jgh / exim.git / commitdiff