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Today's Topics:
1. [PATCH v2 1/6] dnsproxy: move dns module prototypes to a
separate file. (Ismo Puustinen)
2. [PATCH v2 2/6] dnsproxy: add a new function to the API.
(Ismo Puustinen)
3. [PATCH v2 3/6] resolver: expose dnsproxy mdns support.
(Ismo Puustinen)
4. [PATCH v2 4/6] service: add mDNS support. (Ismo Puustinen)
5. [PATCH v2 6/6] connmanctl: add mDNS support. (Ismo Puustinen)
6. [PATCH v2 5/6] config: support mDNS in service configuration
files. (Ismo Puustinen)
----------------------------------------------------------------------
Message: 1
Date: Tue, 17 Oct 2017 15:33:25 +0300
From: Ismo Puustinen <[email protected]>
To: [email protected]
Subject: [PATCH v2 1/6] dnsproxy: move dns module prototypes to a
separate file.
Message-ID: <[email protected]>
---
include/dnsproxy.h | 46 ++++++++++++++++++++++++++++++++++++++++++++++
src/connman.h | 7 -------
src/dns-systemd-resolved.c | 1 +
src/dnsproxy.c | 1 +
src/resolver.c | 1 +
src/tethering.c | 1 +
6 files changed, 50 insertions(+), 7 deletions(-)
create mode 100644 include/dnsproxy.h
diff --git a/include/dnsproxy.h b/include/dnsproxy.h
new file mode 100644
index 00000000..40971b96
--- /dev/null
+++ b/include/dnsproxy.h
@@ -0,0 +1,46 @@
+/*
+ *
+ * Connection Manager
+ *
+ * Copyright (C) 2007-2017 Intel Corporation. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ *
+ */
+
+#ifndef __CONNMAN_DNSPROXY_H
+#define __CONNMAN_DNSPROXY_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**
+ * SECTION:dnsproxy
+ * @title: dnsproxy premitives
+ * @short_description: Functions for registering dnsproxy modules
+ */
+
+int __connman_dnsproxy_init(void);
+void __connman_dnsproxy_cleanup(void);
+int __connman_dnsproxy_add_listener(int index);
+void __connman_dnsproxy_remove_listener(int index);
+int __connman_dnsproxy_append(int index, const char *domain, const char
*server);
+int __connman_dnsproxy_remove(int index, const char *domain, const char
*server);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __CONNMAN_DNSPROXY_H */
diff --git a/src/connman.h b/src/connman.h
index da4446a4..fe7e1b0d 100644
--- a/src/connman.h
+++ b/src/connman.h
@@ -946,13 +946,6 @@ int __connman_iptables_init(void);
void __connman_iptables_cleanup(void);
int __connman_iptables_commit(const char *table_name);
-int __connman_dnsproxy_init(void);
-void __connman_dnsproxy_cleanup(void);
-int __connman_dnsproxy_add_listener(int index);
-void __connman_dnsproxy_remove_listener(int index);
-int __connman_dnsproxy_append(int index, const char *domain, const char
*server);
-int __connman_dnsproxy_remove(int index, const char *domain, const char
*server);
-
int __connman_6to4_probe(struct connman_service *service);
void __connman_6to4_remove(struct connman_ipconfig *ipconfig);
int __connman_6to4_check(struct connman_ipconfig *ipconfig);
diff --git a/src/dns-systemd-resolved.c b/src/dns-systemd-resolved.c
index 4e9b2ff1..0ab24e8d 100644
--- a/src/dns-systemd-resolved.c
+++ b/src/dns-systemd-resolved.c
@@ -32,6 +32,7 @@
#include <connman/dbus.h>
#include "connman.h"
+#include "dnsproxy.h"
#define SYSTEMD_RESOLVED_SERVICE "org.freedesktop.resolve1"
#define SYSTEMD_RESOLVED_PATH "/org/freedesktop/resolve1"
diff --git a/src/dnsproxy.c b/src/dnsproxy.c
index 8b2827a5..efc582fa 100644
--- a/src/dnsproxy.c
+++ b/src/dnsproxy.c
@@ -40,6 +40,7 @@
#include <glib.h>
#include "connman.h"
+#include "dnsproxy.h"
#define debug(fmt...) do { } while (0)
diff --git a/src/resolver.c b/src/resolver.c
index 75ea5ba6..e8157e8c 100644
--- a/src/resolver.c
+++ b/src/resolver.c
@@ -34,6 +34,7 @@
#include <netdb.h>
#include "connman.h"
+#include "dnsproxy.h"
#define RESOLV_CONF_STATEDIR STATEDIR"/resolv.conf"
#define RESOLV_CONF_ETC "/etc/resolv.conf"
diff --git a/src/tethering.c b/src/tethering.c
index c929ba71..28620567 100644
--- a/src/tethering.c
+++ b/src/tethering.c
@@ -39,6 +39,7 @@
#include <linux/if_bridge.h>
#include "connman.h"
+#include "dnsproxy.h"
#include <gdhcp/gdhcp.h>
--
2.13.6
------------------------------
Message: 2
Date: Tue, 17 Oct 2017 15:33:26 +0300
From: Ismo Puustinen <[email protected]>
To: [email protected]
Subject: [PATCH v2 2/6] dnsproxy: add a new function to the API.
Message-ID: <[email protected]>
int __connman_dnsproxy_set_mdns(int index, bool enabled);
Turn mDNS support for the interface with specified interface index
on or off.
---
include/dnsproxy.h | 1 +
src/dns-systemd-resolved.c | 35 +++++++++++++++++++++++++++++++++++
src/dnsproxy.c | 5 +++++
3 files changed, 41 insertions(+)
diff --git a/include/dnsproxy.h b/include/dnsproxy.h
index 40971b96..2793a68d 100644
--- a/include/dnsproxy.h
+++ b/include/dnsproxy.h
@@ -38,6 +38,7 @@ int __connman_dnsproxy_add_listener(int index);
void __connman_dnsproxy_remove_listener(int index);
int __connman_dnsproxy_append(int index, const char *domain, const char
*server);
int __connman_dnsproxy_remove(int index, const char *domain, const char
*server);
+int __connman_dnsproxy_set_mdns(int index, bool enabled);
#ifdef __cplusplus
}
diff --git a/src/dns-systemd-resolved.c b/src/dns-systemd-resolved.c
index 0ab24e8d..a7a55c35 100644
--- a/src/dns-systemd-resolved.c
+++ b/src/dns-systemd-resolved.c
@@ -37,6 +37,11 @@
#define SYSTEMD_RESOLVED_SERVICE "org.freedesktop.resolve1"
#define SYSTEMD_RESOLVED_PATH "/org/freedesktop/resolve1"
+struct mdns_data {
+ int index;
+ bool enabled;
+};
+
static GHashTable *interface_hash;
static DBusConnection *connection;
static GDBusClient *client;
@@ -400,6 +405,36 @@ static int setup_resolved(void)
return 0;
}
+static void setlinkmulticastdns_append(DBusMessageIter *iter, void *user_data)
{
+ struct mdns_data *data = user_data;
+ char *val = "no";
+
+ if (data->enabled)
+ val = "yes";
+
+ DBG("SetLinkMulticastDNS: %d/%s", data->index, val);
+
+ dbus_message_iter_append_basic(iter, DBUS_TYPE_INT32, &data->index);
+ dbus_message_iter_append_basic(iter, DBUS_TYPE_STRING, &val);
+}
+
+int __connman_dnsproxy_set_mdns(int index, bool enabled)
+{
+ struct mdns_data data = { .index = index, .enabled = enabled };
+
+ if (!resolved_proxy)
+ return -ENOENT;
+
+ if (index < 0)
+ return -EINVAL;
+
+ if (!g_dbus_proxy_method_call(resolved_proxy, "SetLinkMulticastDNS",
+ setlinkmulticastdns_append, NULL, &data, NULL))
+ return -EINVAL;
+
+ return 0;
+}
+
int __connman_dnsproxy_init(void)
{
int ret;
diff --git a/src/dnsproxy.c b/src/dnsproxy.c
index efc582fa..dce1e407 100644
--- a/src/dnsproxy.c
+++ b/src/dnsproxy.c
@@ -3948,6 +3948,11 @@ destroy:
return err;
}
+int __connman_dnsproxy_set_mdns(int index, bool enabled)
+{
+ return -ENOTSUP;
+}
+
void __connman_dnsproxy_cleanup(void)
{
DBG("");
--
2.13.6
------------------------------
Message: 3
Date: Tue, 17 Oct 2017 15:33:27 +0300
From: Ismo Puustinen <[email protected]>
To: [email protected]
Subject: [PATCH v2 3/6] resolver: expose dnsproxy mdns support.
Message-ID: <[email protected]>
Using resolver as an intermediary is required because the system might
be running without dnsproxy support (using -r command line option).
---
src/connman.h | 1 +
src/resolver.c | 8 ++++++++
2 files changed, 9 insertions(+)
diff --git a/src/connman.h b/src/connman.h
index fe7e1b0d..e583340e 100644
--- a/src/connman.h
+++ b/src/connman.h
@@ -259,6 +259,7 @@ void __connman_resolver_append_fallback_nameservers(void);
int __connman_resolvfile_append(int index, const char *domain, const char
*server);
int __connman_resolvfile_remove(int index, const char *domain, const char
*server);
int __connman_resolver_redo_servers(int index);
+int __connman_resolver_set_mdns(int index, bool enabled);
GKeyFile *__connman_storage_open_global(void);
GKeyFile *__connman_storage_load_global(void);
diff --git a/src/resolver.c b/src/resolver.c
index e8157e8c..95c9b861 100644
--- a/src/resolver.c
+++ b/src/resolver.c
@@ -653,6 +653,14 @@ static void free_resolvfile(gpointer data)
g_free(entry);
}
+int __connman_resolver_set_mdns(int index, bool enabled)
+{
+ if (!dnsproxy_enabled)
+ return -ENOTSUP;
+
+ return __connman_dnsproxy_set_mdns(index, enabled);
+}
+
int __connman_resolver_init(gboolean dnsproxy)
{
int i;
--
2.13.6
------------------------------
Message: 4
Date: Tue, 17 Oct 2017 15:33:28 +0300
From: Ismo Puustinen <[email protected]>
To: [email protected]
Subject: [PATCH v2 4/6] service: add mDNS support.
Message-ID: <[email protected]>
Add two boolean D-Bus properties for services: mDNS [readonly] and
mDNS.Configuration [readwrite]. The mDNS support for a service is
enabled or disabled by setting true or false to mDNS.Configuration.
Not all DNS backends support mDNS. Currently only systemd-resolved does.
---
doc/service-api.txt | 13 ++++++++
src/connman.h | 2 ++
src/service.c | 88 +++++++++++++++++++++++++++++++++++++++++++++++++++++
3 files changed, 103 insertions(+)
diff --git a/doc/service-api.txt b/doc/service-api.txt
index 6cdb0bb5..194be396 100644
--- a/doc/service-api.txt
+++ b/doc/service-api.txt
@@ -500,3 +500,16 @@ Properties string State [readonly]
Possible values are "half" and "full".
This information is not available.
+
+ bool mDNS [readonly]
+
+ Whether or not mDNS support is enabled. Note that mDNS
+ requires a DNS backend which supports it. Currently the
+ only DNS backend which supports mDNS is
+ systemd-resolved.
+
+ bool mDNS.Configuration [readwrite]
+
+ Same values as mDNS property. The mDNS represents the
+ actual system configuration while this allows user
+ configuration.
diff --git a/src/connman.h b/src/connman.h
index e583340e..6028825c 100644
--- a/src/connman.h
+++ b/src/connman.h
@@ -709,6 +709,8 @@ int __connman_service_set_ignore(struct connman_service
*service,
bool ignore);
void __connman_service_set_search_domains(struct connman_service *service,
char **domains);
+int __connman_service_set_mdns(struct connman_service *service,
+ bool enabled);
void __connman_service_set_string(struct connman_service *service,
const char *key, const char *value);
diff --git a/src/service.c b/src/service.c
index 21928543..197f2660 100644
--- a/src/service.c
+++ b/src/service.c
@@ -94,6 +94,8 @@ struct connman_service {
char **nameservers_auto;
int nameservers_timeout;
char **domains;
+ bool mdns;
+ bool mdns_config;
char *hostname;
char *domainname;
char **timeservers;
@@ -594,6 +596,9 @@ static int service_load(struct connman_service *service)
service->pac = str;
}
+ service->mdns_config = g_key_file_get_boolean(keyfile,
+ service->identifier, "mDNS", NULL);
+
service->hidden_service = g_key_file_get_boolean(keyfile,
service->identifier, "Hidden", NULL);
@@ -774,6 +779,13 @@ static int service_save(struct connman_service *service)
g_key_file_remove_key(keyfile, service->identifier,
"Proxy.URL", NULL);
+ if (service->mdns_config)
+ g_key_file_set_boolean(keyfile, service->identifier,
+ "mDNS", TRUE);
+ else
+ g_key_file_remove_key(keyfile, service->identifier,
+ "mDNS", NULL);
+
if (service->hidden_service)
g_key_file_set_boolean(keyfile, service->identifier, "Hidden",
TRUE);
@@ -2075,6 +2087,48 @@ static void proxy_configuration_changed(struct
connman_service *service)
proxy_changed(service);
}
+static void mdns_changed(struct connman_service *service)
+{
+ dbus_bool_t mdns = service->mdns;
+
+ if (!allow_property_changed(service))
+ return;
+
+ connman_dbus_property_changed_basic(service->path,
+ CONNMAN_SERVICE_INTERFACE, "mDNS", DBUS_TYPE_BOOLEAN,
+ &mdns);
+}
+
+static void mdns_configuration_changed(struct connman_service *service)
+{
+ dbus_bool_t mdns_config = service->mdns_config;
+
+ if (!allow_property_changed(service))
+ return;
+
+ connman_dbus_property_changed_basic(service->path,
+ CONNMAN_SERVICE_INTERFACE, "mDNS.Configuration",
+ DBUS_TYPE_BOOLEAN, &mdns_config);
+}
+
+static int set_mdns(struct connman_service *service,
+ bool enabled)
+{
+ int result;
+
+ result = __connman_resolver_set_mdns(
+ __connman_service_get_index(service), enabled);
+
+ if (result == 0) {
+ if (service->mdns != enabled) {
+ service->mdns = enabled;
+ mdns_changed(service);
+ }
+ }
+
+ return result;
+}
+
static void timeservers_configuration_changed(struct connman_service *service)
{
if (!allow_property_changed(service))
@@ -2452,6 +2506,14 @@ static void append_properties(DBusMessageIter *dict,
dbus_bool_t limited,
connman_dbus_dict_append_dict(dict, "Proxy.Configuration",
append_proxyconfig, service);
+ val = service->mdns;
+ connman_dbus_dict_append_basic(dict, "mDNS", DBUS_TYPE_BOOLEAN,
+ &val);
+
+ val = service->mdns_config;
+ connman_dbus_dict_append_basic(dict, "mDNS.Configuration",
+ DBUS_TYPE_BOOLEAN, &val);
+
connman_dbus_dict_append_dict(dict, "Provider",
append_provider, service);
}
@@ -3571,6 +3633,23 @@ static DBusMessage *set_property(DBusConnection *conn,
__connman_notifier_proxy_changed(service);
service_save(service);
+ } else if (g_str_equal(name, "mDNS.Configuration")) {
+ dbus_bool_t val;
+
+ if (service->immutable)
+ return __connman_error_not_supported(msg);
+
+ if (type != DBUS_TYPE_BOOLEAN)
+ return __connman_error_invalid_arguments(msg);
+
+ dbus_message_iter_get_basic(&value, &val);
+ service->mdns_config = val;
+
+ mdns_configuration_changed(service);
+
+ set_mdns(service, service->mdns_config);
+
+ service_save(service);
} else if (g_str_equal(name, "IPv4.Configuration") ||
g_str_equal(name, "IPv6.Configuration")) {
@@ -5273,6 +5352,14 @@ void __connman_service_set_search_domains(struct
connman_service *service,
searchdomain_add_all(service);
}
+int __connman_service_set_mdns(struct connman_service *service,
+ bool enabled)
+{
+ service->mdns_config = enabled;
+
+ return set_mdns(service, enabled);
+}
+
static void report_error_cb(void *user_context, bool retry,
void *user_data)
{
@@ -6001,6 +6088,7 @@ int __connman_service_ipconfig_indicate_state(struct
connman_service *service,
"Default service remains in READY state.");
if (type == CONNMAN_IPCONFIG_TYPE_IPV4)
service_rp_filter(service, true);
+ set_mdns(service, service->mdns_config);
break;
case CONNMAN_SERVICE_STATE_ONLINE:
break;
--
2.13.6
------------------------------
Message: 5
Date: Tue, 17 Oct 2017 15:33:30 +0300
From: Ismo Puustinen <[email protected]>
To: [email protected]
Subject: [PATCH v2 6/6] connmanctl: add mDNS support.
Message-ID: <[email protected]>
Use option 'm' with values 'yes' and 'no'.
---
client/commands.c | 25 +++++++++++++++++++++++++
1 file changed, 25 insertions(+)
diff --git a/client/commands.c b/client/commands.c
index 583095b1..5761ed14 100644
--- a/client/commands.c
+++ b/client/commands.c
@@ -1202,6 +1202,30 @@ static int cmd_config(char *args[], int num, struct
connman_option *options)
config_return, g_strdup(service_name),
NULL, NULL);
break;
+
+ case 'm':
+ switch (parse_boolean(*opt_start)) {
+ case 1:
+ val = TRUE;
+ break;
+ case 0:
+ val = FALSE;
+ break;
+ default:
+ res = -EINVAL;
+ break;
+ }
+ if (res == 0) {
+ res = __connmanctl_dbus_set_property(connection,
+ path, "net.connman.Service",
+ config_return,
+ g_strdup(service_name),
+ "mDNS.Configuration",
+ DBUS_TYPE_BOOLEAN, &val);
+ }
+ index++;
+ break;
+
default:
res = -EINVAL;
break;
@@ -2222,6 +2246,7 @@ static struct connman_option config_options[] = {
{"nameservers", 'n', "<dns1> [<dns2>] [<dns3>]"},
{"timeservers", 't', "<ntp1> [<ntp2>] [...]"},
{"domains", 'd', "<domain1> [<domain2>] [...]"},
+ {"mdns", 'm', "yes|no"},
{"ipv6", 'v', "off|auto [enable|disable|preferred]|\n"
"\t\t\tmanual <address> <prefixlength> <gateway>"},
{"proxy", 'x', "direct|auto <URL>|manual <URL1> [<URL2>] [...]\n"
--
2.13.6
------------------------------
Message: 6
Date: Tue, 17 Oct 2017 15:33:29 +0300
From: Ismo Puustinen <[email protected]>
To: [email protected]
Subject: [PATCH v2 5/6] config: support mDNS in service configuration
files.
Message-ID: <[email protected]>
Use key "mDNS" with boolean values. True means that mDNS is enabled --
mDNS domains can be resolved and hostname is registered. False means
that all mDNS functionality for this service is disabled. Note that not
all DNS backends support mDNS: currently systemd-resolved is the only
DNS backend that works with mDNS.
---
doc/config-format.txt | 5 +++++
src/config.c | 8 ++++++++
2 files changed, 13 insertions(+)
diff --git a/doc/config-format.txt b/doc/config-format.txt
index ed3123aa..4e26eddd 100644
--- a/doc/config-format.txt
+++ b/doc/config-format.txt
@@ -63,6 +63,11 @@ Allowed fields:
- SearchDomains: Comma separated list of DNS search domains
- Timeservers: Comma separated list of timeservers
- Domain: Domain name to be used
+- mDNS: Boolean value (true or false). True means that mDNS is enabled --
+ mDNS domains can be resolved and hostname is registered. False means that all
+ mDNS functionality for this service is disabled. Note that not all DNS
+ backends support mDNS: currently systemd-resolved is the only DNS backend
with
+ mDNS.
If IPv4 address is missing then DHCP is used. If IPv6 address is missing,
then SLAAC or DHCPv6 is used.
diff --git a/src/config.c b/src/config.c
index a8c3da89..000a4fbf 100644
--- a/src/config.c
+++ b/src/config.c
@@ -72,6 +72,7 @@ struct connman_config_service {
char *ipv6_gateway;
char *ipv6_privacy;
char *mac;
+ bool mdns;
char **nameservers;
char **search_domains;
char **timeservers;
@@ -112,6 +113,7 @@ static bool cleanup = false;
#define SERVICE_KEY_PASSPHRASE "Passphrase"
#define SERVICE_KEY_SECURITY "Security"
#define SERVICE_KEY_HIDDEN "Hidden"
+#define SERVICE_KEY_MDNS "mDNS"
#define SERVICE_KEY_IPv4 "IPv4"
#define SERVICE_KEY_IPv6 "IPv6"
@@ -152,6 +154,7 @@ static const char *service_possible_keys[] = {
SERVICE_KEY_IPv6,
SERVICE_KEY_IPv6_PRIVACY,
SERVICE_KEY_MAC,
+ SERVICE_KEY_MDNS,
SERVICE_KEY_NAMESERVERS,
SERVICE_KEY_SEARCH_DOMAINS,
SERVICE_KEY_TIMESERVERS,
@@ -514,6 +517,9 @@ static bool load_service_generic(GKeyFile *keyfile,
g_strfreev(strlist);
}
+ service->mdns = __connman_config_get_bool(keyfile, group,
+ SERVICE_KEY_MDNS, NULL);
+
return true;
err:
@@ -1377,6 +1383,8 @@ static int try_provision_service(struct
connman_config_service *config,
__connman_service_set_search_domains(service,
config->search_domains);
+ __connman_service_set_mdns(service, config->mdns);
+
if (config->timeservers)
__connman_service_set_timeservers(service,
config->timeservers);
--
2.13.6
------------------------------
Subject: Digest Footer
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------------------------------
End of connman Digest, Vol 24, Issue 21
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