Add support for 'a:' and 'exists:' mechanisms.

ok gilles@

diff --git a/usr.sbin/smtpd/spfwalk.c b/usr.sbin/smtpd/spfwalk.c
index cab0530..1e3ff8f 100644 (file)
--- a/usr.sbin/smtpd/spfwalk.c
+++ b/usr.sbin/smtpd/spfwalk.c
@@ -186,6 +186,14 @@ dispatch_txt(struct dns_rr *rr)
                                printf("%s\n", *(ap) + 5);
                        continue;
                }
+               if (strncasecmp("a:", *ap, 2) == 0) {
+                       lookup_record(T_A, *(ap) + 2, dispatch_a);
+                       continue;
+               }
+               if (strncasecmp("exists:", *ap, 7) == 0) {
+                       lookup_record(T_A, *(ap) + 7, dispatch_a);
+                       continue;
+               }
                if (strncasecmp("include:", *ap, 8) == 0) {
                        lookup_record(T_TXT, *(ap) + 8, dispatch_txt);
                        continue;