SPF: handle DNS NO_DATA return. Bug 2499

[exim.git] / src / src / spf.c

diff --git a/src/src/spf.c b/src/src/spf.c
index 7192ef462912f21ff0889284e7014ee59a02454e..a8318dcda87590c2cdde44f7ada3f622a070e852 100644 (file)
--- a/src/src/spf.c
+++ b/src/src/spf.c
@@ -34,6 +34,18 @@ SPF_response_t  *spf_response_2mx = NULL;
 SPF_dns_rr_t  * spf_nxdomain = NULL;
 
 
+void
+spf_lib_version_report(FILE * fp)
+{
+int maj, min, patch;
+SPF_get_lib_version(&maj, &min, &patch);
+fprintf(fp, "Library version: spf2: Compile: %d.%d.%d\n",
+       SPF_LIB_VERSION_MAJOR, SPF_LIB_VERSION_MINOR, SPF_LIB_VERSION_PATCH);
+fprintf(fp, "                       Runtime: %d.%d.%d\n",
+        maj, min, patch);
+}
+
+
 
 static SPF_dns_rr_t *
 SPF_dns_exim_lookup(SPF_dns_server_t *spf_dns_server,
@@ -65,6 +77,7 @@ switch (dns_rc = dns_lookup(dnsa, US domain, rr_type, NULL))
   case DNS_SUCCEED:    srr.herrno = NETDB_SUCCESS;     break;
   case DNS_AGAIN:      srr.herrno = TRY_AGAIN;         break;
   case DNS_NOMATCH:    srr.herrno = HOST_NOT_FOUND;    break;
+  case DNS_NODATA:     srr.herrno = NO_DATA;           break;
   case DNS_FAIL:
   default:             srr.herrno = NO_RECOVERY;       break;
   } 
@@ -107,7 +120,7 @@ for (dns_record * rr = dns_next_rr(dnsa, &dnss, RESET_ANSWERS); rr;
        gstring * g = NULL;
        uschar chunk_len;
 
-       if (strncmpic(rr->data+1, US"v=spf1", 6) != 0)
+       if (strncmpic(rr->data+1, US SPF_VER_STR, 6) != 0)
          {
          HDEBUG(D_host_lookup) debug_printf("not an spf record\n");
          continue;