From: Lennart Poettering <lennart@poettering.net>
Date: Fri, 29 Sep 2017 16:05:51 +0000 (+0200)
Subject: resolved: synthesize records for the full local hostname, too
X-Git-Tag: v235~34^2
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=a4f3375d727efb801cf1da5422c03f6c004d6aca;p=thirdparty%2Fsystemd.git

resolved: synthesize records for the full local hostname, too

This was forgotten, let's add it too, so that the llmnr, mdns and full
hostname RRs are all synthesized if needed.
---

diff --git a/src/resolve/resolved-dns-synthesize.c b/src/resolve/resolved-dns-synthesize.c
index ca8f5da8045..513ac224663 100644
--- a/src/resolve/resolved-dns-synthesize.c
+++ b/src/resolve/resolved-dns-synthesize.c
@@ -275,10 +275,13 @@ static int synthesize_system_hostname_ptr(Manager *m, int af, const union in_add
 
         if (af == AF_INET && address->in.s_addr == htobe32(0x7F000002)) {
 
-                /* Always map the IPv4 address 127.0.0.2 to the local
-                 * hostname, in addition to "localhost": */
+                /* Always map the IPv4 address 127.0.0.2 to the local hostname, in addition to "localhost": */
 
-                r = dns_answer_reserve(answer, 3);
+                r = dns_answer_reserve(answer, 4);
+                if (r < 0)
+                        return r;
+
+                r = answer_add_ptr(answer, "2.0.0.127.in-addr.arpa", m->full_hostname, dns_synthesize_ifindex(ifindex), DNS_ANSWER_AUTHENTICATED);
                 if (r < 0)
                         return r;
 
@@ -301,6 +304,12 @@ static int synthesize_system_hostname_ptr(Manager *m, int af, const union in_add
         if (n <= 0)
                 return n;
 
+        r = answer_add_addresses_ptr(answer, m->full_hostname, addresses, n, af, address);
+        if (r < 0)
+                return r;
+        if (r > 0)
+                added = true;
+
         r = answer_add_addresses_ptr(answer, m->llmnr_hostname, addresses, n, af, address);
         if (r < 0)
                 return r;