From 1438c0119533ea6374f233ee5dc9898b32f7e7c6 Mon Sep 17 00:00:00 2001
From: Lennart Poettering <lennart@poettering.net>
Date: Fri, 5 Jan 2007 22:19:28 +0000
Subject: [PATCH] add new config options "publish-aaaa-on-ipv4=" and
 "publish-a-on-ipv6="

git-svn-id: file:///home/lennart/svn/public/avahi/trunk@1366 941a03a8-eaeb-0310-b9a0-b1bbd8fe43fe
---
 avahi-daemon/avahi-daemon.conf |  2 ++
 avahi-daemon/main.c            | 10 +++++++---
 avahi-daemon/static-hosts.c    |  9 ++++++++-
 man/avahi-daemon.conf.5.xml.in | 16 ++++++++++++++++
 4 files changed, 33 insertions(+), 4 deletions(-)

diff --git a/avahi-daemon/avahi-daemon.conf b/avahi-daemon/avahi-daemon.conf
index 1992a67..21fa166 100644
--- a/avahi-daemon/avahi-daemon.conf
+++ b/avahi-daemon/avahi-daemon.conf
@@ -45,6 +45,8 @@ enable-wide-area=yes
 #publish-domain=yes
 #publish-dns-servers=192.168.50.1, 192.168.50.2
 #publish-resolv-conf-dns-servers=yes
+#publish-aaaa-on-ipv4=yes
+#publish-a-on-ipv6=no
 
 [reflector]
 #enable-reflector=no
diff --git a/avahi-daemon/main.c b/avahi-daemon/main.c
index 33f1265..0b26446 100644
--- a/avahi-daemon/main.c
+++ b/avahi-daemon/main.c
@@ -442,7 +442,7 @@ static int parse_command_line(DaemonConfig *c, int argc, char *argv[]) {
 static int is_yes(const char *s) {
     assert(s);
     
-    return *s == 'y' || *s == 'Y';
+    return *s == 'y' || *s == 'Y' || *s == '1' || *s == 't' || *s == 'T';
 }
 
 static int load_config_file(DaemonConfig *c) {
@@ -541,8 +541,12 @@ static int load_config_file(DaemonConfig *c) {
                     c->server_config.add_service_cookie = is_yes(p->value);
                 else if (strcasecmp(p->key, "publish-dns-servers") == 0) {
                     avahi_strfreev(c->publish_dns_servers);
-                    c->publish_dns_servers = avahi_split_csv(p->value); 
-                } else {
+                    c->publish_dns_servers = avahi_split_csv(p->value);
+                } else if (strcasecmp(p->key, "publish-a-on-ipv6") == 0)
+                    c->server_config.publish_a_on_ipv6 = is_yes(p->value);
+                else if (strcasecmp(p->key, "publish-aaaa-on-ipv4") == 0)
+                    c->server_config.publish_aaaa_on_ipv4 = is_yes(p->value);
+                else {
                     avahi_log_error("Invalid configuration key \"%s\" in group \"%s\"\n", p->key, g->name);
                     goto finish;
                 }
diff --git a/avahi-daemon/static-hosts.c b/avahi-daemon/static-hosts.c
index 9941a51..35058fc 100644
--- a/avahi-daemon/static-hosts.c
+++ b/avahi-daemon/static-hosts.c
@@ -110,7 +110,9 @@ static void static_host_free(StaticHost *s) {
 static void add_static_host_to_server(StaticHost *h)
 {
     AvahiAddress a;
+    AvahiProtocol p;
     int err;
+    const AvahiServerConfig *config;
 
     if (!h->group)
         if (!(h->group = avahi_s_entry_group_new (avahi_server, entry_group_callback, h))) {
@@ -123,7 +125,12 @@ static void add_static_host_to_server(StaticHost *h)
         return;
     }
 
-    if ((err = avahi_server_add_address(avahi_server, h->group, AVAHI_IF_UNSPEC, AVAHI_PROTO_UNSPEC, 0, h->host, &a))) {
+    config = avahi_server_get_config(avahi_server);
+    
+    p = (a.proto == AVAHI_PROTO_INET && config->publish_a_on_ipv6) ||
+        (a.proto == AVAHI_PROTO_INET6 && config->publish_aaaa_on_ipv4) ? AVAHI_PROTO_UNSPEC : a.proto;
+    
+    if ((err = avahi_server_add_address(avahi_server, h->group, AVAHI_IF_UNSPEC, p, 0, h->host, &a))) {
         avahi_log_error ("Static host name %s: avahi_server_add_address failure: %s", h->host, avahi_strerror(err));
         return;
     }
diff --git a/man/avahi-daemon.conf.5.xml.in b/man/avahi-daemon.conf.5.xml.in
index bfbd0e5..efd1a41 100644
--- a/man/avahi-daemon.conf.5.xml.in
+++ b/man/avahi-daemon.conf.5.xml.in
@@ -223,6 +223,22 @@
         SIGHUP to have it reload this file. Defaults to "no".</p>
       </option>
 
+      <option>
+        <p><opt>publish-aaaa-on-ipv4=</opt> Takes a boolean value
+        ("yes" or "no"). If set to "yes" avahi-daemon will publish an
+        IPv6 AAAA record via IPv4, i.e. the local IPv6 addresses can be
+        resolved using an IPv4 transport. Only useful when IPv4 is
+        enabled with <opt>use-ipv4=true</opt>. Defaults to "yes".</p>
+      </option>
+
+      <option>
+        <p><opt>publish-a-on-ipv6=</opt> Takes a boolean value
+        ("yes" or "no"). If set to "yes" avahi-daemon will publish an
+        IPv4 A record via IPv6, i.e. the local IPv4 addresses can be
+        resolved using an IPv6 transport. Only useful when IPv6 is
+        enabled with <opt>use-ipv6=true</opt>. Defaults to "no".</p>
+      </option>
+
     </section>
 
 	<section name="Section [reflector]">
-- 
2.39.5