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This commit is contained in:
Lubomir Rintel 2016-07-19 15:21:33 +02:00
parent aeb4a90471
commit 5a338dc86f
3 changed files with 2 additions and 532 deletions
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1
.gitignore vendored
View File

@ -326,3 +326,4 @@ network-manager-applet-0.8.1.tar.bz2
/NetworkManager-1.1.93.tar.xz /NetworkManager-1.1.93.tar.xz
/NetworkManager-1.1.94.tar.xz /NetworkManager-1.1.94.tar.xz
/NetworkManager-1.2.2.tar.xz /NetworkManager-1.2.2.tar.xz
/NetworkManager-1.3.0.git20160621.072358da.tar.xz

531
0001-dnsmasq-clear-cache-and-restart-rh1338731.patch
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@ -1,531 +0,0 @@
From 594a225264fe501ec78a8d20ee5447d18e1175b5 Mon Sep 17 00:00:00 2001
From: Beniamino Galvani <bgalvani@redhat.com>
Date: Tue, 31 May 2016 17:04:03 +0200
Subject: [PATCH 1/6] core: fix some memory leaks
(cherry picked from commit ec53ed2cbaab754ddf1283658b5adfba8134e757)
(cherry picked from commit 70d194c159c80266140157db535700f8e44dbe0b)
---
src/dhcp-manager/nm-dhcp-client.c | 2 ++
src/nm-manager.c | 2 +-
src/nm-policy.c | 1 +
3 files changed, 4 insertions(+), 1 deletion(-)
diff --git a/src/dhcp-manager/nm-dhcp-client.c b/src/dhcp-manager/nm-dhcp-client.c
index 9f4cdf3..c102581 100644
--- a/src/dhcp-manager/nm-dhcp-client.c
+++ b/src/dhcp-manager/nm-dhcp-client.c
@@ -884,7 +884,9 @@ dispose (GObject *object)
g_clear_pointer (&priv->iface, g_free);
g_clear_pointer (&priv->hostname, g_free);
+ g_clear_pointer (&priv->fqdn, g_free);
g_clear_pointer (&priv->uuid, g_free);
+ g_clear_pointer (&priv->client_id, g_bytes_unref);
if (priv->hwaddr) {
g_byte_array_free (priv->hwaddr, TRUE);
diff --git a/src/nm-manager.c b/src/nm-manager.c
index e64c68a..04b70cb 100644
--- a/src/nm-manager.c
+++ b/src/nm-manager.c
@@ -3268,7 +3268,7 @@ validate_activation_request (NMManager *self,
NM_MANAGER_ERROR,
NM_MANAGER_ERROR_CONNECTION_NOT_AVAILABLE,
"Sharing IPv6 connections is not supported yet.");
- return NULL;
+ goto error;
}
/* Check whether it's a VPN or not */
diff --git a/src/nm-policy.c b/src/nm-policy.c
index 07bcce8..cb04f21 100644
--- a/src/nm-policy.c
+++ b/src/nm-policy.c
@@ -913,6 +913,7 @@ block_autoconnect_for_device (NMPolicy *self, NMDevice *device)
NM_DEVICE_STATE_REASON_USER_REQUESTED);
}
}
+ g_slist_free (connections);
}
static void
--
2.5.5
From f5a98215c616a8a7f4acb9a3e03667444b8fda6e Mon Sep 17 00:00:00 2001
From: Beniamino Galvani <bgalvani@redhat.com>
Date: Tue, 24 May 2016 13:41:44 +0200
Subject: [PATCH 2/6] dns/dnsmasq: cancel pending update on dispose
There might be a pending "SetServersEx" D-Bus call when the plugin is
destroyed, ensure it gets canceled.
(cherry picked from commit d376787ce1a9e8c4990ed98be143ab892c9d29ed)
(cherry picked from commit 7541ca0692668070e48adfc5fa8e4c6501600e16)
---
src/dns-manager/nm-dns-dnsmasq.c | 21 ++++++++++++++++-----
1 file changed, 16 insertions(+), 5 deletions(-)
diff --git a/src/dns-manager/nm-dns-dnsmasq.c b/src/dns-manager/nm-dns-dnsmasq.c
index 4cee160..1df01e3 100644
--- a/src/dns-manager/nm-dns-dnsmasq.c
+++ b/src/dns-manager/nm-dns-dnsmasq.c
@@ -48,6 +48,7 @@ G_DEFINE_TYPE (NMDnsDnsmasq, nm_dns_dnsmasq, NM_TYPE_DNS_PLUGIN)
typedef struct {
GDBusProxy *dnsmasq;
GCancellable *dnsmasq_cancellable;
+ GCancellable *update_cancellable;
gboolean running;
GVariant *set_server_ex_args;
@@ -265,14 +266,20 @@ add_ip6_config (NMDnsDnsmasq *self, GVariantBuilder *servers, NMIP6Config *ip6,
}
static void
-dnsmasq_update_done (GObject *source, GAsyncResult *res, gpointer user_data)
+dnsmasq_update_done (GDBusProxy *proxy, GAsyncResult *res, gpointer user_data)
{
- NMDnsDnsmasq *self = NM_DNS_DNSMASQ (user_data);
- NMDnsDnsmasqPrivate *priv = NM_DNS_DNSMASQ_GET_PRIVATE (self);
+ NMDnsDnsmasq *self;
+ NMDnsDnsmasqPrivate *priv;
gs_free_error GError *error = NULL;
gs_unref_variant GVariant *response = NULL;
- response = g_dbus_proxy_call_finish (priv->dnsmasq, res, &error);
+ response = g_dbus_proxy_call_finish (proxy, res, &error);
+ if (g_error_matches (error, G_IO_ERROR, G_IO_ERROR_CANCELLED))
+ return;
+
+ self = NM_DNS_DNSMASQ (user_data);
+ priv = NM_DNS_DNSMASQ_GET_PRIVATE (self);
+
if (!response)
_LOGW ("dnsmasq update failed: %s", error->message);
else
@@ -290,12 +297,15 @@ send_dnsmasq_update (NMDnsDnsmasq *self)
if (priv->running) {
_LOGD ("trying to update dnsmasq nameservers");
+ nm_clear_g_cancellable (&priv->update_cancellable);
+ priv->update_cancellable = g_cancellable_new ();
+
g_dbus_proxy_call (priv->dnsmasq,
"SetServersEx",
priv->set_server_ex_args,
G_DBUS_CALL_FLAGS_NONE,
-1,
- NULL,
+ priv->update_cancellable,
(GAsyncReadyCallback) dnsmasq_update_done,
self);
g_clear_pointer (&priv->set_server_ex_args, g_variant_unref);
@@ -559,6 +569,7 @@ dispose (GObject *object)
NMDnsDnsmasqPrivate *priv = NM_DNS_DNSMASQ_GET_PRIVATE (object);
nm_clear_g_cancellable (&priv->dnsmasq_cancellable);
+ nm_clear_g_cancellable (&priv->update_cancellable);
g_clear_object (&priv->dnsmasq);
--
2.5.5
From ac4bfce7dde54a607c896e90a3269633a90f3bee Mon Sep 17 00:00:00 2001
From: Beniamino Galvani <bgalvani@redhat.com>
Date: Tue, 24 May 2016 14:14:25 +0200
Subject: [PATCH 3/6] dns: clear dnsmasq cache after an update
When the list of DNS servers changes, old DNS entries cached by
dnsmasq must be invalidated as the answers returned by new servers may
be different (especially, old NXDOMAIN entries may now be valid). Call
the dnsmasq "ClearCache" D-Bus method to achieve this.
https://bugzilla.redhat.com/show_bug.cgi?id=1338731
(cherry picked from commit 4feb58b50b9fd6caceda83bab907ad107ad8ed01)
(cherry picked from commit a701e5b7ba35a0730d756ab0c1b15f0414bee592)
---
src/dns-manager/nm-dns-dnsmasq.c | 31 +++++++++++++++++++++++++++++--
1 file changed, 29 insertions(+), 2 deletions(-)
diff --git a/src/dns-manager/nm-dns-dnsmasq.c b/src/dns-manager/nm-dns-dnsmasq.c
index 1df01e3..dd1234d 100644
--- a/src/dns-manager/nm-dns-dnsmasq.c
+++ b/src/dns-manager/nm-dns-dnsmasq.c
@@ -266,6 +266,25 @@ add_ip6_config (NMDnsDnsmasq *self, GVariantBuilder *servers, NMIP6Config *ip6,
}
static void
+dnsmasq_clear_cache_done (GDBusProxy *proxy, GAsyncResult *res, gpointer user_data)
+{
+ NMDnsDnsmasq *self;
+ gs_free_error GError *error = NULL;
+ gs_unref_variant GVariant *response = NULL;
+
+ response = g_dbus_proxy_call_finish (proxy, res, &error);
+ if (g_error_matches (error, G_IO_ERROR, G_IO_ERROR_CANCELLED))
+ return;
+
+ self = NM_DNS_DNSMASQ (user_data);
+
+ if (!response)
+ _LOGW ("dnsmasq cache clear failed: %s", error->message);
+ else
+ _LOGD ("dnsmasq update successful, cache cleared");
+}
+
+static void
dnsmasq_update_done (GDBusProxy *proxy, GAsyncResult *res, gpointer user_data)
{
NMDnsDnsmasq *self;
@@ -282,8 +301,16 @@ dnsmasq_update_done (GDBusProxy *proxy, GAsyncResult *res, gpointer user_data)
if (!response)
_LOGW ("dnsmasq update failed: %s", error->message);
- else
- _LOGD ("dnsmasq update successful");
+ else {
+ g_dbus_proxy_call (priv->dnsmasq,
+ "ClearCache",
+ NULL,
+ G_DBUS_CALL_FLAGS_NONE,
+ -1,
+ priv->update_cancellable,
+ (GAsyncReadyCallback) dnsmasq_clear_cache_done,
+ self);
+ }
}
static void
--
2.5.5
From b71ce01f5aa5af2851a4c5516a1c11b86b65b4b8 Mon Sep 17 00:00:00 2001
From: Beniamino Galvani <bgalvani@redhat.com>
Date: Sun, 1 May 2016 22:24:41 +0200
Subject: [PATCH 4/6] core: introduce nm_utils_dnsmasq_status_to_string()
(cherry picked from commit c0d322720a3956a40831c09f78a1dfbaf6fd9294)
(cherry picked from commit 84b0bb5ec82661a2b47928cc49879ed49fa18602)
---
src/dns-manager/nm-dns-dnsmasq.c | 23 ++------------------
src/dnsmasq-manager/nm-dnsmasq-manager.c | 36 ++++---------------------------
src/nm-core-utils.c | 37 ++++++++++++++++++++++++++++++++
src/nm-core-utils.h | 2 ++
4 files changed, 45 insertions(+), 53 deletions(-)
diff --git a/src/dns-manager/nm-dns-dnsmasq.c b/src/dns-manager/nm-dns-dnsmasq.c
index dd1234d..aaa6a3e 100644
--- a/src/dns-manager/nm-dns-dnsmasq.c
+++ b/src/dns-manager/nm-dns-dnsmasq.c
@@ -519,24 +519,6 @@ update (NMDnsPlugin *plugin,
/****************************************************************/
-static const char *
-dm_exit_code_to_msg (int status)
-{
- if (status == 1)
- return "Configuration problem";
- else if (status == 2)
- return "Network access problem (address in use; permissions; etc)";
- else if (status == 3)
- return "Filesystem problem (missing file/directory; permissions; etc)";
- else if (status == 4)
- return "Memory allocation failure";
- else if (status == 5)
- return "Other problem";
- else if (status >= 11)
- return "Lease-script 'init' process failure";
- return "Unknown error";
-}
-
static void
child_quit (NMDnsPlugin *plugin, gint status)
{
@@ -547,9 +529,8 @@ child_quit (NMDnsPlugin *plugin, gint status)
if (WIFEXITED (status)) {
err = WEXITSTATUS (status);
if (err) {
- _LOGW ("dnsmasq exited with error: %s (%d)",
- dm_exit_code_to_msg (err),
- err);
+ _LOGW ("dnsmasq exited with error: %s",
+ nm_utils_dnsmasq_status_to_string (err, NULL, 0));
} else
failed = FALSE;
} else if (WIFSTOPPED (status))
diff --git a/src/dnsmasq-manager/nm-dnsmasq-manager.c b/src/dnsmasq-manager/nm-dnsmasq-manager.c
index 764aba2..12395db 100644
--- a/src/dnsmasq-manager/nm-dnsmasq-manager.c
+++ b/src/dnsmasq-manager/nm-dnsmasq-manager.c
@@ -165,36 +165,6 @@ nm_cmd_line_add_string (NMCmdLine *cmd, const char *str)
/*******************************************/
static void
-dm_exit_code (guint dm_exit_status)
-{
- char *msg = "Unknown error";
-
- switch (dm_exit_status) {
- case 1:
- msg = "Configuration problem";
- break;
- case 2:
- msg = "Network access problem (address in use; permissions; etc)";
- break;
- case 3:
- msg = "Filesystem problem (missing file/directory; permissions; etc)";
- break;
- case 4:
- msg = "Memory allocation failure";
- break;
- case 5:
- msg = "Other problem";
- break;
- default:
- if (dm_exit_status >= 11)
- msg = "Lease-script 'init' process failure";
- break;
- }
-
- _LOGW ("dnsmasq exited with error: %s (%d)", msg, dm_exit_status);
-}
-
-static void
dm_watch_cb (GPid pid, gint status, gpointer user_data)
{
NMDnsMasqManager *manager = NM_DNSMASQ_MANAGER (user_data);
@@ -203,8 +173,10 @@ dm_watch_cb (GPid pid, gint status, gpointer user_data)
if (WIFEXITED (status)) {
err = WEXITSTATUS (status);
- if (err != 0)
- dm_exit_code (err);
+ if (err != 0) {
+ _LOGW ("dnsmasq exited with error: %s",
+ nm_utils_dnsmasq_status_to_string (err, NULL, 0));
+ }
} else if (WIFSTOPPED (status)) {
_LOGW ("dnsmasq stopped unexpectedly with signal %d", WSTOPSIG (status));
} else if (WIFSIGNALED (status)) {
diff --git a/src/nm-core-utils.c b/src/nm-core-utils.c
index ef44a13..a2fbdfb 100644
--- a/src/nm-core-utils.c
+++ b/src/nm-core-utils.c
@@ -3085,3 +3085,40 @@ nm_utils_lifetime_get (guint32 timestamp,
return TRUE;
}
+const char *
+nm_utils_dnsmasq_status_to_string (int status, char *dest, guint size)
+{
+ static char buffer[128];
+ char *msg, *ret;
+ gs_free char *msg_free = NULL;
+ int len;
+
+ if (status == 0)
+ msg = "Success";
+ else if (status == 1)
+ msg = "Configuration problem";
+ else if (status == 2)
+ msg = "Network access problem (address in use, permissions)";
+ else if (status == 3)
+ msg = "Filesystem problem (missing file/directory, permissions)";
+ else if (status == 4)
+ msg = "Memory allocation failure";
+ else if (status == 5)
+ msg = "Other problem";
+ else if (status >= 11)
+ msg = msg_free = g_strdup_printf ("Lease script failed with error %d", status - 10);
+ else
+ msg = "Unknown problem";
+
+ if (dest) {
+ ret = dest;
+ len = size;
+ } else {
+ ret = buffer;
+ len = sizeof (buffer);
+ }
+
+ g_snprintf (ret, len, "%s (%d)", msg, status);
+
+ return ret;
+}
diff --git a/src/nm-core-utils.h b/src/nm-core-utils.h
index ad0f995..b5083ac 100644
--- a/src/nm-core-utils.h
+++ b/src/nm-core-utils.h
@@ -394,4 +394,6 @@ gboolean nm_utils_lifetime_get (guint32 timestamp,
gboolean nm_utils_ip4_address_is_link_local (in_addr_t addr);
+const char *nm_utils_dnsmasq_status_to_string (int status, char *dest, guint size);
+
#endif /* __NM_CORE_UTILS_H__ */
--
2.5.5
From 4e78e89ac35954d38ff107c42295b1418042a13c Mon Sep 17 00:00:00 2001
From: Thomas Haller <thaller@redhat.com>
Date: Mon, 30 May 2016 12:52:23 +0200
Subject: [PATCH 5/6] dns: log when dnsmasq process exits normally
(cherry picked from commit a64d70f0df586d398aa1bcd74be131ed6dc75450)
(cherry picked from commit 2deee5286726fb2933822e105ffce634df695b35)
---
src/dns-manager/nm-dns-dnsmasq.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/src/dns-manager/nm-dns-dnsmasq.c b/src/dns-manager/nm-dns-dnsmasq.c
index aaa6a3e..f8b2dd3 100644
--- a/src/dns-manager/nm-dns-dnsmasq.c
+++ b/src/dns-manager/nm-dns-dnsmasq.c
@@ -531,8 +531,10 @@ child_quit (NMDnsPlugin *plugin, gint status)
if (err) {
_LOGW ("dnsmasq exited with error: %s",
nm_utils_dnsmasq_status_to_string (err, NULL, 0));
- } else
+ } else {
+ _LOGD ("dnsmasq exited normally");
failed = FALSE;
+ }
} else if (WIFSTOPPED (status))
_LOGW ("dnsmasq stopped unexpectedly with signal %d", WSTOPSIG (status));
else if (WIFSIGNALED (status))
--
2.5.5
From 3061adfc7d962ef645f2844dfce7df5e359509b5 Mon Sep 17 00:00:00 2001
From: Thomas Haller <thaller@redhat.com>
Date: Mon, 30 May 2016 12:58:57 +0200
Subject: [PATCH 6/6] dnsmasq: properly handling respawning of dnsmask
Otherwise, when killing dnsmasq it does not get respawned:
dnsmasq[0x560dd7e43cf0]: dnsmasq exited normally
dns-mgr: plugin dnsmasq child quit unexpectedly
dns-mgr: update-dns: updating resolv.conf
dns-mgr: config: 100 best v4 enp0s25
dns-mgr: config: 100 best v6 enp0s25
dns-mgr: config: 100 default v6 lo
dns-mgr: config: 100 default v4 lo
dns-mgr: update-dns: updating plugin dnsmasq
dnsmasq[0x560dd7e43cf0]: adding nameserver '192.168.0.2@enp0s25'
dnsmasq[0x560dd7e43cf0]: trying to update dnsmasq nameservers
dns-mgr: update-resolv-conf: write internal file /var/run/NetworkManager/resolv.conf succeeded but don't update /etc/resolv.conf as it points to resolv.conf.nm
dnsmasq[0x560dd7e43cf0]: dnsmasq disappeared
Previously, we would create priv->dnsmasq proxy only once,
and not respawn the process at all.
https://bugzilla.gnome.org/show_bug.cgi?id=766996
(cherry picked from commit 2e7f4aeb60579b092641cc8d65973baecbd5335b)
(cherry picked from commit 1f8ba33d8716858cc27cf319c85e176bcf11afa3)
---
src/dns-manager/nm-dns-dnsmasq.c | 21 ++++++++++++++++++---
src/dns-manager/nm-dns-plugin.c | 11 +++++++++++
src/dns-manager/nm-dns-plugin.h | 2 ++
3 files changed, 31 insertions(+), 3 deletions(-)
diff --git a/src/dns-manager/nm-dns-dnsmasq.c b/src/dns-manager/nm-dns-dnsmasq.c
index f8b2dd3..a9fcc88 100644
--- a/src/dns-manager/nm-dns-dnsmasq.c
+++ b/src/dns-manager/nm-dns-dnsmasq.c
@@ -410,11 +410,16 @@ start_dnsmasq (NMDnsDnsmasq *self)
NMBusManager *dbus_mgr;
GDBusConnection *connection;
+ if (priv->running) {
+ /* the dnsmasq process is running. Nothing to do. */
+ return;
+ }
- if ( priv->running
- || priv->dnsmasq
- || priv->dnsmasq_cancellable)
+ if (nm_dns_plugin_child_pid ((NMDnsPlugin *) self) > 0) {
+ /* if we already have a child process spawned, don't do
+ * it again. */
return;
+ }
dm_binary = nm_utils_find_helper ("dnsmasq", DNSMASQ_PATH, NULL);
if (!dm_binary) {
@@ -446,6 +451,13 @@ start_dnsmasq (NMDnsDnsmasq *self)
if (!pid)
return;
+ if ( priv->dnsmasq
+ || priv->dnsmasq_cancellable) {
+ /* we already have a proxy or are about to create it.
+ * We are done. */
+ return;
+ }
+
dbus_mgr = nm_bus_manager_get ();
g_return_if_fail (dbus_mgr);
@@ -523,6 +535,7 @@ static void
child_quit (NMDnsPlugin *plugin, gint status)
{
NMDnsDnsmasq *self = NM_DNS_DNSMASQ (plugin);
+ NMDnsDnsmasqPrivate *priv = NM_DNS_DNSMASQ_GET_PRIVATE (self);
gboolean failed = TRUE;
int err;
@@ -542,6 +555,8 @@ child_quit (NMDnsPlugin *plugin, gint status)
else
_LOGW ("dnsmasq died from an unknown cause");
+ priv->running = FALSE;
+
if (failed)
g_signal_emit_by_name (self, NM_DNS_PLUGIN_FAILED);
}
diff --git a/src/dns-manager/nm-dns-plugin.c b/src/dns-manager/nm-dns-plugin.c
index d5cb882..f45b47f 100644
--- a/src/dns-manager/nm-dns-plugin.c
+++ b/src/dns-manager/nm-dns-plugin.c
@@ -182,6 +182,17 @@ watch_cb (GPid pid, gint status, gpointer user_data)
}
GPid
+nm_dns_plugin_child_pid (NMDnsPlugin *self)
+{
+ NMDnsPluginPrivate *priv;
+
+ g_return_val_if_fail (NM_IS_DNS_PLUGIN (self), 0);
+
+ priv = NM_DNS_PLUGIN_GET_PRIVATE (self);
+ return priv->pid;
+}
+
+GPid
nm_dns_plugin_child_spawn (NMDnsPlugin *self,
const char **argv,
const char *pidfile,
diff --git a/src/dns-manager/nm-dns-plugin.h b/src/dns-manager/nm-dns-plugin.h
index 7ecaa42..b328218 100644
--- a/src/dns-manager/nm-dns-plugin.h
+++ b/src/dns-manager/nm-dns-plugin.h
@@ -111,6 +111,8 @@ GPid nm_dns_plugin_child_spawn (NMDnsPlugin *self,
const char *pidfile,
const char *kill_match);
+GPid nm_dns_plugin_child_pid (NMDnsPlugin *self);
+
gboolean nm_dns_plugin_child_kill (NMDnsPlugin *self);
#endif /* __NETWORKMANAGER_DNS_PLUGIN_H__ */
--
2.5.5

2
sources
View File

@ -1 +1 @@
a922bf20c2243c9014fb14c4427ad035 NetworkManager-1.2.2.tar.xz a0cc1a7bf3e85030b7bf53c3b981d4ce NetworkManager-1.3.0.git20160621.072358da.tar.xz