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NetworkManager/src/nm-policy.c
Thomas Haller d0643fbf3b
policy: remove unused code from "nm-policy.c" for reverse DNS lookup for hostname 
By now, each NMDevice does the reverse lookup and caches the result
via nm_device_get_hostname_from_dns_lookup().

The code is no longer used in NMPolicy.

Fixes: 09c8387114 ('policy: use the hostname setting')
2020-12-04 09:32:32 +01:00

2963 lines
107 KiB
C
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/* SPDX-License-Identifier: GPL-2.0+ */
/*
* Copyright (C) 2004 - 2013 Red Hat, Inc.
* Copyright (C) 2007 - 2008 Novell, Inc.
*/
#include "nm-default.h"
#include "nm-policy.h"
#include <unistd.h>
#include <netdb.h>
#include "NetworkManagerUtils.h"
#include "nm-act-request.h"
#include "nm-keep-alive.h"
#include "devices/nm-device.h"
#include "nm-setting-ip4-config.h"
#include "nm-setting-connection.h"
#include "platform/nm-platform.h"
#include "dns/nm-dns-manager.h"
#include "vpn/nm-vpn-manager.h"
#include "nm-auth-utils.h"
#include "nm-firewall-manager.h"
#include "nm-dispatcher.h"
#include "nm-utils.h"
#include "nm-core-internal.h"
#include "nm-manager.h"
#include "settings/nm-settings.h"
#include "settings/nm-settings-connection.h"
#include "settings/nm-agent-manager.h"
#include "nm-dhcp-config.h"
#include "nm-config.h"
#include "nm-netns.h"
#include "nm-hostname-manager.h"
/*****************************************************************************/
NM_GOBJECT_PROPERTIES_DEFINE(NMPolicy,
PROP_MANAGER,
PROP_SETTINGS,
PROP_DEFAULT_IP4_AC,
PROP_DEFAULT_IP6_AC,
PROP_ACTIVATING_IP4_AC,
PROP_ACTIVATING_IP6_AC, );
typedef struct {
NMManager * manager;
NMNetns * netns;
NMFirewallManager *firewall_manager;
CList pending_activation_checks;
NMAgentManager *agent_mgr;
GHashTable *devices;
GHashTable *pending_active_connections;
GSList *pending_secondaries;
NMSettings *settings;
NMHostnameManager *hostname_manager;
NMActiveConnection *default_ac4, *activating_ac4;
NMActiveConnection *default_ac6, *activating_ac6;
NMDnsManager *dns_manager;
guint reset_retries_id; /* idle handler for resetting the retries count */
guint schedule_activate_all_id; /* idle handler for schedule_activate_all(). */
NMPolicyHostnameMode hostname_mode;
char * orig_hostname; /* hostname at NM start time */
char * cur_hostname; /* hostname we want to assign */
char *
last_hostname; /* last hostname NM set (to detect if someone else changed it in the meanwhile) */
gboolean changing_hostname; /* hostname set operation still in progress */
gboolean dhcp_hostname; /* current hostname was set from dhcp */
GArray *ip6_prefix_delegations; /* pool of ip6 prefixes delegated to all devices */
} NMPolicyPrivate;
struct _NMPolicy {
GObject parent;
NMPolicyPrivate _priv;
};
struct _NMPolicyClass {
GObjectClass parent;
};
G_DEFINE_TYPE(NMPolicy, nm_policy, G_TYPE_OBJECT)
#define NM_POLICY_GET_PRIVATE(self) _NM_GET_PRIVATE(self, NMPolicy, NM_IS_POLICY)
static NMPolicy *
_PRIV_TO_SELF(NMPolicyPrivate *priv)
{
NMPolicy *self;
nm_assert(priv);
self = (NMPolicy *) (((char *) priv) - G_STRUCT_OFFSET(NMPolicy, _priv));
nm_assert(NM_IS_POLICY(self));
return self;
}
/*****************************************************************************/
#define _NMLOG_PREFIX_NAME "policy"
#undef _NMLOG_ENABLED
#define _NMLOG_ENABLED(level, domain) (nm_logging_enabled((level), (domain)))
#define _NMLOG(level, domain, ...) \
G_STMT_START \
{ \
nm_log((level), \
(domain), \
NULL, \
NULL, \
"%s" _NM_UTILS_MACRO_FIRST(__VA_ARGS__), \
_NMLOG_PREFIX_NAME ": " _NM_UTILS_MACRO_REST(__VA_ARGS__)); \
} \
G_STMT_END
/*****************************************************************************/
static void update_system_hostname(NMPolicy *self, const char *msg);
static void schedule_activate_all(NMPolicy *self);
static void schedule_activate_check(NMPolicy *self, NMDevice *device);
static NMDevice *get_default_device(NMPolicy *self, int addr_family);
/*****************************************************************************/
static void
_dns_manager_set_ip_config(NMDnsManager * dns_manager,
NMIPConfig * ip_config,
NMDnsIPConfigType ip_config_type,
NMDevice * device)
{
if (device && nm_device_sys_iface_state_is_external(device)) {
nm_dns_manager_set_ip_config(dns_manager, ip_config, NM_DNS_IP_CONFIG_TYPE_REMOVED);
return;
}
if (NM_IN_SET(ip_config_type, NM_DNS_IP_CONFIG_TYPE_DEFAULT, NM_DNS_IP_CONFIG_TYPE_BEST_DEVICE)
&& device
&& nm_device_get_route_metric_default(nm_device_get_device_type(device))
== NM_VPN_ROUTE_METRIC_DEFAULT) {
/* some device types are inherently VPN. */
ip_config_type = NM_DNS_IP_CONFIG_TYPE_VPN;
}
nm_dns_manager_set_ip_config(dns_manager, ip_config, ip_config_type);
}
/*****************************************************************************/
typedef struct {
NMPlatformIP6Address prefix;
NMDevice * device; /* The requesting ("uplink") device */
guint64 next_subnet; /* Cache of the next subnet number to be
* assigned from this prefix */
GHashTable * subnets; /* ifindex -> NMPlatformIP6Address */
} IP6PrefixDelegation;
static void
_clear_ip6_subnet(gpointer key, gpointer value, gpointer user_data)
{
NMPlatformIP6Address *subnet = value;
NMDevice *device = nm_manager_get_device_by_ifindex(NM_MANAGER_GET, GPOINTER_TO_INT(key));
if (device) {
/* We can not remove a subnet we already started announcing.
* Just un-prefer it. */
subnet->preferred = 0;
nm_device_use_ip6_subnet(device, subnet);
}
g_slice_free(NMPlatformIP6Address, subnet);
}
static void
clear_ip6_prefix_delegation(gpointer data)
{
IP6PrefixDelegation *delegation = data;
char sbuf[NM_UTILS_INET_ADDRSTRLEN];
_LOGD(LOGD_IP6,
"ipv6-pd: undelegating prefix %s/%d",
_nm_utils_inet6_ntop(&delegation->prefix.address, sbuf),
delegation->prefix.plen);
g_hash_table_foreach(delegation->subnets, _clear_ip6_subnet, NULL);
g_hash_table_destroy(delegation->subnets);
}
static void
expire_ip6_delegations(NMPolicy *self)
{
NMPolicyPrivate * priv = NM_POLICY_GET_PRIVATE(self);
guint32 now = nm_utils_get_monotonic_timestamp_sec();
IP6PrefixDelegation *delegation = NULL;
guint i;
for (i = 0; i < priv->ip6_prefix_delegations->len; i++) {
delegation = &g_array_index(priv->ip6_prefix_delegations, IP6PrefixDelegation, i);
if (delegation->prefix.timestamp + delegation->prefix.lifetime < now)
g_array_remove_index_fast(priv->ip6_prefix_delegations, i);
}
}
/*
* Try to obtain a new subnet for a particular active connection from given
* delegated prefix, possibly reusing the existing subnet.
* Return value of FALSE indicates no more subnets are available from
* this prefix (and other prefix should be used -- and requested if necessary).
*/
static gboolean
ip6_subnet_from_delegation(IP6PrefixDelegation *delegation, NMDevice *device)
{
NMPlatformIP6Address *subnet;
int ifindex = nm_device_get_ifindex(device);
char sbuf[NM_UTILS_INET_ADDRSTRLEN];
subnet = g_hash_table_lookup(delegation->subnets, GINT_TO_POINTER(ifindex));
if (!subnet) {
/* Check for out-of-prefixes condition. */
if (delegation->next_subnet >= (1 << (64 - delegation->prefix.plen))) {
_LOGD(LOGD_IP6,
"ipv6-pd: no more prefixes in %s/%d",
_nm_utils_inet6_ntop(&delegation->prefix.address, sbuf),
delegation->prefix.plen);
return FALSE;
}
/* Allocate a new subnet. */
subnet = g_slice_new0(NMPlatformIP6Address);
g_hash_table_insert(delegation->subnets, GINT_TO_POINTER(ifindex), subnet);
subnet->plen = 64;
subnet->address.s6_addr32[0] =
delegation->prefix.address.s6_addr32[0] | htonl(delegation->next_subnet >> 32);
subnet->address.s6_addr32[1] =
delegation->prefix.address.s6_addr32[1] | htonl(delegation->next_subnet);
/* Out subnet pool management is pretty unsophisticated. We only add
* the subnets and index them by ifindex. That keeps the implementation
* simple and the dead entries make it easy to reuse the same subnet on
* subsequent activations. On the other hand they may waste the subnet
* space. */
delegation->next_subnet++;
}
subnet->timestamp = delegation->prefix.timestamp;
subnet->lifetime = delegation->prefix.lifetime;
subnet->preferred = delegation->prefix.preferred;
_LOGD(LOGD_IP6,
"ipv6-pd: %s allocated from a /%d prefix on %s",
_nm_utils_inet6_ntop(&subnet->address, sbuf),
delegation->prefix.plen,
nm_device_get_iface(device));
nm_device_use_ip6_subnet(device, subnet);
return TRUE;
}
/*
* Try to obtain a subnet from each prefix delegated to given requesting
* ("uplink") device and assign it to the downlink device.
* Requests a new prefix if no subnet could be found.
*/
static void
ip6_subnet_from_device(NMPolicy *self, NMDevice *from_device, NMDevice *device)
{
NMPolicyPrivate * priv = NM_POLICY_GET_PRIVATE(self);
IP6PrefixDelegation *delegation = NULL;
gboolean got_subnet = FALSE;
guint have_prefixes = 0;
guint i;
expire_ip6_delegations(self);
for (i = 0; i < priv->ip6_prefix_delegations->len; i++) {
delegation = &g_array_index(priv->ip6_prefix_delegations, IP6PrefixDelegation, i);
if (delegation->device != from_device)
continue;
if (ip6_subnet_from_delegation(delegation, device))
got_subnet = TRUE;
have_prefixes++;
}
if (!got_subnet) {
_LOGI(LOGD_IP6,
"ipv6-pd: none of %u prefixes of %s can be shared on %s",
have_prefixes,
nm_device_get_iface(from_device),
nm_device_get_iface(device));
nm_device_request_ip6_prefixes(from_device, have_prefixes + 1);
}
}
static void
ip6_remove_device_prefix_delegations(NMPolicy *self, NMDevice *device)
{
NMPolicyPrivate * priv = NM_POLICY_GET_PRIVATE(self);
IP6PrefixDelegation *delegation = NULL;
guint i;
for (i = 0; i < priv->ip6_prefix_delegations->len; i++) {
delegation = &g_array_index(priv->ip6_prefix_delegations, IP6PrefixDelegation, i);
if (delegation->device == device)
g_array_remove_index_fast(priv->ip6_prefix_delegations, i);
}
}
static void
device_ip6_prefix_delegated(NMDevice *device, NMPlatformIP6Address *prefix, gpointer user_data)
{
NMPolicyPrivate * priv = user_data;
NMPolicy * self = _PRIV_TO_SELF(priv);
IP6PrefixDelegation *delegation = NULL;
guint i;
const CList * tmp_list;
NMActiveConnection * ac;
char sbuf[NM_UTILS_INET_ADDRSTRLEN];
_LOGI(LOGD_IP6,
"ipv6-pd: received a prefix %s/%d from %s",
_nm_utils_inet6_ntop(&prefix->address, sbuf),
prefix->plen,
nm_device_get_iface(device));
expire_ip6_delegations(self);
for (i = 0; i < priv->ip6_prefix_delegations->len; i++) {
/* Look for an already known prefix to update. */
delegation = &g_array_index(priv->ip6_prefix_delegations, IP6PrefixDelegation, i);
if (IN6_ARE_ADDR_EQUAL(&delegation->prefix.address, &prefix->address))
break;
}
if (i == priv->ip6_prefix_delegations->len) {
/* Allocate a delegation for new prefix. */
g_array_set_size(priv->ip6_prefix_delegations, i + 1);
delegation = &g_array_index(priv->ip6_prefix_delegations, IP6PrefixDelegation, i);
delegation->subnets = g_hash_table_new(nm_direct_hash, NULL);
delegation->next_subnet = 0;
}
delegation->device = device;
delegation->prefix = *prefix;
/* The newly activated connections are added to the end of the list,
* so traversing it from the end makes it likely for newly
* activated connections that have no subnet assigned to be served
* first. That is a simple yet fair policy, which is good. */
nm_manager_for_each_active_connection_prev (priv->manager, ac, tmp_list) {
NMDevice *to_device;
to_device = nm_active_connection_get_device(ac);
if (nm_device_needs_ip6_subnet(to_device))
ip6_subnet_from_delegation(delegation, to_device);
}
}
static void
device_ip6_subnet_needed(NMDevice *device, gpointer user_data)
{
NMPolicyPrivate *priv = user_data;
NMPolicy * self = _PRIV_TO_SELF(priv);
_LOGD(LOGD_IP6, "ipv6-pd: %s needs a subnet", nm_device_get_iface(device));
if (!priv->default_ac6) {
/* We request the prefixes when the default IPv6 device is set. */
_LOGI(LOGD_IP6,
"ipv6-pd: no device to obtain a subnet to share on %s from",
nm_device_get_iface(device));
return;
}
ip6_subnet_from_device(self, get_default_device(self, AF_INET6), device);
nm_device_copy_ip6_dns_config(device, get_default_device(self, AF_INET6));
}
/*****************************************************************************/
static NMDevice *
get_default_device(NMPolicy *self, int addr_family)
{
NMPolicyPrivate * priv = NM_POLICY_GET_PRIVATE(self);
NMActiveConnection *ac;
nm_assert_addr_family(addr_family);
ac = (addr_family == AF_INET) ? priv->default_ac4 : priv->default_ac6;
return ac ? nm_active_connection_get_device(ac) : NULL;
}
static NMActiveConnection *
get_best_active_connection(NMPolicy *self, int addr_family, gboolean fully_activated)
{
NMPolicyPrivate * priv = NM_POLICY_GET_PRIVATE(self);
const CList * tmp_lst;
NMDevice * device;
guint32 best_metric = G_MAXUINT32;
gboolean best_is_fully_activated = FALSE;
NMActiveConnection *best_ac, *prev_ac;
nm_assert(NM_IN_SET(addr_family, AF_INET, AF_INET6));
/* we prefer the current AC in case of identical metric.
* Hence, try that one first. */
prev_ac = addr_family == AF_INET ? (fully_activated ? priv->default_ac4 : priv->activating_ac4)
: (fully_activated ? priv->default_ac6 : priv->activating_ac6);
best_ac = NULL;
nm_manager_for_each_device (priv->manager, device, tmp_lst) {
NMDeviceState state;
const NMPObject * r;
NMActiveConnection *ac;
NMConnection * connection;
guint32 metric;
gboolean is_fully_activated;
state = nm_device_get_state(device);
if (state <= NM_DEVICE_STATE_DISCONNECTED || state >= NM_DEVICE_STATE_DEACTIVATING)
continue;
if (nm_device_sys_iface_state_is_external(device))
continue;
r = nm_device_get_best_default_route(device, addr_family);
if (r) {
/* NOTE: the best route might have rt_source NM_IP_CONFIG_SOURCE_VPN,
* which means it was injected by a VPN, not added by device.
*
* In this case, is it really the best device? Why do we even need the best
* device?? */
metric = NMP_OBJECT_CAST_IP_ROUTE(r)->metric;
is_fully_activated = TRUE;
} else if (!fully_activated && (connection = nm_device_get_applied_connection(device))
&& nm_utils_connection_has_default_route(connection, addr_family, NULL)) {
metric = nm_device_get_route_metric(device, addr_family);
is_fully_activated = FALSE;
} else
continue;
ac = (NMActiveConnection *) nm_device_get_act_request(device);
nm_assert(ac);
if (!best_ac || (!best_is_fully_activated && is_fully_activated)
|| (metric < best_metric || (metric == best_metric && ac == prev_ac))) {
best_ac = ac;
best_metric = metric;
best_is_fully_activated = is_fully_activated;
}
}
if (!fully_activated && best_ac && best_is_fully_activated) {
/* There's a best activating AC only if the best device
* among all activating and already-activated devices is a
* still-activating one. */
return NULL;
}
return best_ac;
}
static gboolean
all_devices_not_active(NMPolicy *self)
{
NMPolicyPrivate *priv = NM_POLICY_GET_PRIVATE(self);
const CList * tmp_lst;
NMDevice * device;
nm_manager_for_each_device (priv->manager, device, tmp_lst) {
NMDeviceState state;
state = nm_device_get_state(device);
if (state <= NM_DEVICE_STATE_DISCONNECTED || state >= NM_DEVICE_STATE_DEACTIVATING) {
continue;
}
return FALSE;
}
return TRUE;
}
#define FALLBACK_HOSTNAME4 "localhost.localdomain"
static void
settings_set_hostname_cb(const char *hostname, gboolean result, gpointer user_data)
{
NMPolicy * self = NM_POLICY(user_data);
NMPolicyPrivate *priv = NM_POLICY_GET_PRIVATE(self);
int ret = 0;
int errsv;
if (!result) {
_LOGT(LOGD_DNS, "set-hostname: hostname set via dbus failed, fallback to \"sethostname\"");
ret = sethostname(hostname, strlen(hostname));
if (ret != 0) {
errsv = errno;
_LOGW(LOGD_DNS,
"set-hostname: couldn't set the system hostname to '%s': (%d) %s",
hostname,
errsv,
nm_strerror_native(errsv));
if (errsv == EPERM)
_LOGW(
LOGD_DNS,
"set-hostname: you should use hostnamed when systemd hardening is in effect!");
}
}
priv->changing_hostname = FALSE;
if (!ret)
nm_dispatcher_call_hostname(NULL, NULL, NULL);
g_object_unref(self);
}
#define HOST_NAME_BUFSIZE (HOST_NAME_MAX + 2)
static char *
_get_hostname(NMPolicy *self)
{
NMPolicyPrivate *priv = NM_POLICY_GET_PRIVATE(self);
char * hostname = NULL;
int errsv;
/* If there is an in-progress hostname change, return
* the last hostname set as would be set soon...
*/
if (priv->changing_hostname) {
_LOGT(LOGD_DNS, "get-hostname: \"%s\" (last on set)", priv->last_hostname);
return g_strdup(priv->last_hostname);
}
/* try to get the hostname via dbus... */
if (nm_hostname_manager_get_transient_hostname(priv->hostname_manager, &hostname)) {
_LOGT(LOGD_DNS, "get-hostname: \"%s\" (from dbus)", hostname);
return hostname;
}
/* ...or retrieve it by yourself */
hostname = g_malloc(HOST_NAME_BUFSIZE);
if (gethostname(hostname, HOST_NAME_BUFSIZE - 1) != 0) {
errsv = errno;
_LOGT(LOGD_DNS,
"get-hostname: couldn't get the system hostname: (%d) %s",
errsv,
nm_strerror_native(errsv));
g_free(hostname);
return NULL;
}
/* the name may be truncated... */
hostname[HOST_NAME_BUFSIZE - 1] = '\0';
if (strlen(hostname) >= HOST_NAME_BUFSIZE - 1) {
_LOGT(LOGD_DNS, "get-hostname: system hostname too long: \"%s\"", hostname);
g_free(hostname);
return NULL;
}
_LOGT(LOGD_DNS, "get-hostname: \"%s\"", hostname);
return hostname;
}
static void
_set_hostname(NMPolicy *self, const char *new_hostname, const char *msg)
{
NMPolicyPrivate *priv = NM_POLICY_GET_PRIVATE(self);
gs_free char * old_hostname = NULL;
const char * name;
/* The incoming hostname *can* be NULL, which will get translated to
* 'localhost.localdomain' or such in the hostname policy code, but we
* keep cur_hostname = NULL in the case because we need to know that
* there was no valid hostname to start with.
*/
/* Update the DNS only if the hostname is actually
* going to change.
*/
if (!nm_streq0(priv->cur_hostname, new_hostname)) {
g_free(priv->cur_hostname);
priv->cur_hostname = g_strdup(new_hostname);
/* Notify the DNS manager of the hostname change so that the domain part, if
* present, can be added to the search list.
*/
nm_dns_manager_set_hostname(priv->dns_manager,
priv->cur_hostname,
all_devices_not_active(self));
}
/* Finally, set kernel hostname */
if (!new_hostname)
name = FALLBACK_HOSTNAME4;
else if (!new_hostname[0]) {
g_warn_if_reached();
name = FALLBACK_HOSTNAME4;
} else
name = new_hostname;
/* Don't set the hostname if it isn't actually changing */
if ((old_hostname = _get_hostname(self)) && (nm_streq(name, old_hostname))) {
_LOGT(LOGD_DNS, "set-hostname: hostname already set to '%s' (%s)", name, msg);
return;
}
/* Keep track of the last set hostname */
g_free(priv->last_hostname);
priv->last_hostname = g_strdup(name);
priv->changing_hostname = TRUE;
_LOGI(LOGD_DNS, "set-hostname: set hostname to '%s' (%s)", name, msg);
/* Ask NMSettings to update the transient hostname using its
* systemd-hostnamed proxy */
nm_hostname_manager_set_transient_hostname(priv->hostname_manager,
name,
settings_set_hostname_cb,
g_object_ref(self));
}
typedef struct {
NMDevice *device;
int priority;
bool from_dhcp : 1;
bool from_dns : 1;
union {
struct {
bool ip_6;
bool ip_4;
};
bool ip_x[2];
};
} DeviceHostnameInfo;
static int
device_hostname_info_compare(gconstpointer a, gconstpointer b)
{
const DeviceHostnameInfo *info1 = a;
const DeviceHostnameInfo *info2 = b;
NM_CMP_FIELD(info1, info2, priority);
return 0;
}
NM_CON_DEFAULT_NOP("hostname.from-dhcp");
NM_CON_DEFAULT_NOP("hostname.from-dns-lookup");
NM_CON_DEFAULT_NOP("hostname.only-from-default");
static gboolean
device_get_hostname_property_boolean(NMDevice *device, const char *name)
{
NMSettingHostname *s_hostname;
char buf[128];
int value;
nm_assert(NM_IN_STRSET(name,
NM_SETTING_HOSTNAME_FROM_DHCP,
NM_SETTING_HOSTNAME_FROM_DNS_LOOKUP,
NM_SETTING_HOSTNAME_ONLY_FROM_DEFAULT));
s_hostname = nm_device_get_applied_setting(device, NM_TYPE_SETTING_HOSTNAME);
if (s_hostname) {
g_object_get(s_hostname, name, &value, NULL);
if (NM_IN_SET(value, NM_TERNARY_FALSE, NM_TERNARY_TRUE))
return value;
}
return nm_config_data_get_connection_default_int64(NM_CONFIG_GET_DATA,
nm_sprintf_buf(buf, "hostname.%s", name),
device,
NM_TERNARY_FALSE,
NM_TERNARY_TRUE,
NM_TERNARY_TRUE);
}
static int
device_get_hostname_priority(NMDevice *device)
{
NMSettingHostname *s_hostname;
int priority;
s_hostname = nm_device_get_applied_setting(device, NM_TYPE_SETTING_HOSTNAME);
if (s_hostname) {
priority = nm_setting_hostname_get_priority(s_hostname);
if (priority != 0)
return priority;
}
return nm_config_data_get_connection_default_int64(NM_CONFIG_GET_DATA,
NM_CON_DEFAULT("hostname.priority"),
device,
G_MININT,
G_MAXINT,
100);
}
static GArray *
build_device_hostname_infos(NMPolicy *self)
{
NMPolicyPrivate * priv = NM_POLICY_GET_PRIVATE(self);
const CList * tmp_clist;
NMActiveConnection *ac;
GArray * array = NULL;
nm_manager_for_each_active_connection (priv->manager, ac, tmp_clist) {
DeviceHostnameInfo *info;
NMDevice * device;
gboolean only_from_default;
device = nm_active_connection_get_device(ac);
if (!device)
continue;
only_from_default =
device_get_hostname_property_boolean(device, NM_SETTING_HOSTNAME_ONLY_FROM_DEFAULT);
if (only_from_default && ac != priv->default_ac4 && ac != priv->default_ac6)
continue;
if (!array)
array = g_array_sized_new(FALSE, FALSE, sizeof(DeviceHostnameInfo), 4);
info = nm_g_array_append_new(array, DeviceHostnameInfo);
*info = (DeviceHostnameInfo){
.device = device,
.priority = device_get_hostname_priority(device),
.from_dhcp =
device_get_hostname_property_boolean(device, NM_SETTING_HOSTNAME_FROM_DHCP),
.from_dns =
device_get_hostname_property_boolean(device, NM_SETTING_HOSTNAME_FROM_DNS_LOOKUP),
.ip_4 = priv->default_ac4 || !only_from_default,
.ip_6 = priv->default_ac6 || !only_from_default,
};
}
if (array && array->len > 1) {
const DeviceHostnameInfo *info0;
guint i;
g_array_sort(array, device_hostname_info_compare);
info0 = &g_array_index(array, DeviceHostnameInfo, 0);
if (info0->priority < 0) {
for (i = 1; i < array->len; i++) {
const DeviceHostnameInfo *info = &g_array_index(array, DeviceHostnameInfo, i);
if (info->priority > info0->priority) {
g_array_set_size(array, i);
break;
}
}
}
}
return array;
}
static void
device_dns_lookup_done(NMDevice *device, gpointer user_data)
{
NMPolicy *self = user_data;
g_signal_handlers_disconnect_by_func(device, device_dns_lookup_done, self);
update_system_hostname(self, "lookup finished");
}
static void
update_system_hostname(NMPolicy *self, const char *msg)
{
NMPolicyPrivate *priv = NM_POLICY_GET_PRIVATE(self);
const char * configured_hostname;
gs_free char * temp_hostname = NULL;
const char * dhcp_hostname, *p;
gboolean external_hostname = FALSE;
NMDhcpConfig * dhcp_config;
gs_unref_array GArray *infos = NULL;
DeviceHostnameInfo * info;
guint i;
int IS_IPv4;
g_return_if_fail(self != NULL);
if (priv->hostname_mode == NM_POLICY_HOSTNAME_MODE_NONE) {
_LOGT(LOGD_DNS, "set-hostname: hostname is unmanaged");
return;
}
_LOGT(LOGD_DNS, "set-hostname: updating hostname (%s)", msg);
/* Check if the hostname was set externally to NM, so that in that case
* we can avoid to fallback to the one we got when we started.
* Consider "not specific" hostnames as equal. */
if ((temp_hostname = _get_hostname(self)) && !nm_streq0(temp_hostname, priv->last_hostname)
&& (nm_utils_is_specific_hostname(temp_hostname)
|| nm_utils_is_specific_hostname(priv->last_hostname))) {
external_hostname = TRUE;
_LOGI(LOGD_DNS,
"set-hostname: current hostname was changed outside NetworkManager: '%s'",
temp_hostname);
priv->dhcp_hostname = FALSE;
if (!nm_utils_is_specific_hostname(temp_hostname))
nm_clear_g_free(&temp_hostname);
if (!nm_streq0(temp_hostname, priv->orig_hostname)) {
/* Update original (fallback) hostname */
g_free(priv->orig_hostname);
priv->orig_hostname = g_steal_pointer(&temp_hostname);
_LOGT(LOGD_DNS,
"hostname-original: update to %s%s%s",
NM_PRINT_FMT_QUOTE_STRING(priv->orig_hostname));
}
}
/* Hostname precedence order:
*
* 1) a configured hostname (from settings)
* 2) automatic hostname from DHCP of eligible interfaces
* 3) reverse-DNS lookup of the first address on eligible interfaces
* 4) the last hostname set outside NM
*/
/* Try a persistent hostname first */
configured_hostname = nm_hostname_manager_get_hostname(priv->hostname_manager);
if (configured_hostname && nm_utils_is_specific_hostname(configured_hostname)) {
_set_hostname(self, configured_hostname, "from system configuration");
priv->dhcp_hostname = FALSE;
return;
}
infos = build_device_hostname_infos(self);
if (infos && _LOGT_ENABLED(LOGD_DNS)) {
_LOGT(LOGD_DNS, "device hostname info:");
for (i = 0; i < infos->len; i++) {
info = &g_array_index(infos, DeviceHostnameInfo, i);
_LOGT(LOGD_DNS,
" - prio:%4d ipv:%c%c dhcp:%d dns:%d dev:%s",
info->priority,
info->ip_4 ? '4' : '-',
info->ip_6 ? '6' : '-',
info->from_dhcp,
info->from_dns,
nm_device_get_iface(info->device));
}
}
for (i = 0; infos && i < infos->len; i++) {
info = &g_array_index(infos, DeviceHostnameInfo, i);
g_signal_handlers_disconnect_by_func(info->device, device_dns_lookup_done, self);
for (IS_IPv4 = 1; IS_IPv4 >= 0; IS_IPv4--) {
const int addr_family = IS_IPv4 ? AF_INET : AF_INET6;
if (info->from_dhcp && info->ip_x[IS_IPv4]) {
dhcp_config = nm_device_get_dhcp_config(info->device, addr_family);
if (dhcp_config) {
dhcp_hostname =
nm_dhcp_config_get_option(dhcp_config, IS_IPv4 ? "host_name" : "fqdn_fqdn");
if (dhcp_hostname && dhcp_hostname[0]) {
p = nm_str_skip_leading_spaces(dhcp_hostname);
if (p[0]) {
_set_hostname(self, p, IS_IPv4 ? "from DHCPv4" : "from DHCPv6");
priv->dhcp_hostname = TRUE;
return;
}
_LOGW(LOGD_DNS,
"set-hostname: DHCPv%c-provided hostname '%s' looks invalid; "
"ignoring it",
nm_utils_addr_family_to_char(addr_family),
dhcp_hostname);
}
}
}
}
if (priv->hostname_mode != NM_POLICY_HOSTNAME_MODE_DHCP) {
for (IS_IPv4 = 1; IS_IPv4 >= 0; IS_IPv4--) {
const int addr_family = IS_IPv4 ? AF_INET : AF_INET6;
if (info->from_dns && info->ip_x[IS_IPv4]) {
const char *result;
gboolean wait;
result =
nm_device_get_hostname_from_dns_lookup(info->device, addr_family, &wait);
if (result) {
_set_hostname(self, result, "from address lookup");
return;
}
if (wait) {
g_signal_connect(info->device,
NM_DEVICE_DNS_LOOKUP_DONE,
(GCallback) device_dns_lookup_done,
self);
return;
}
}
}
}
}
/* If an hostname was set outside NetworkManager keep it */
if (external_hostname)
return;
if (priv->hostname_mode == NM_POLICY_HOSTNAME_MODE_DHCP) {
/* In dhcp hostname-mode, the hostname is updated only if it comes from
* a DHCP host-name option: if last set was from a host-name option and
* we are here than that connection is gone (with its host-name option),
* so reset the hostname to the previous value
*/
if (priv->dhcp_hostname) {
_set_hostname(self, priv->orig_hostname, "reset dhcp hostname");
priv->dhcp_hostname = FALSE;
}
return;
}
priv->dhcp_hostname = FALSE;
/* If no automatically-configured hostname, try using the last hostname
* set externally to NM
*/
if (priv->orig_hostname) {
_set_hostname(self, priv->orig_hostname, "from system startup");
return;
}
_set_hostname(self, NULL, "no hostname found");
}
static void
update_default_ac(NMPolicy *self, int addr_family, NMActiveConnection *best)
{
NMPolicyPrivate * priv = NM_POLICY_GET_PRIVATE(self);
const CList * tmp_list;
NMActiveConnection *ac;
/* Clear the 'default[6]' flag on all active connections that aren't the new
* default active connection. We'll set the new default after; this ensures
* we don't ever have two marked 'default[6]' simultaneously.
*/
nm_manager_for_each_active_connection (priv->manager, ac, tmp_list) {
if (ac != best)
nm_active_connection_set_default(ac, addr_family, FALSE);
}
/* Mark new default active connection */
if (best)
nm_active_connection_set_default(best, addr_family, TRUE);
}
static gpointer
get_best_ip_config(NMPolicy * self,
int addr_family,
const char ** out_ip_iface,
NMActiveConnection **out_ac,
NMDevice ** out_device,
NMVpnConnection ** out_vpn)
{
NMPolicyPrivate * priv = NM_POLICY_GET_PRIVATE(self);
gpointer conf, best_conf = NULL;
const CList * tmp_list;
NMActiveConnection *ac;
guint64 best_metric = G_MAXUINT64;
NMVpnConnection * best_vpn = NULL;
nm_assert(NM_IN_SET(addr_family, AF_INET, AF_INET6));
nm_manager_for_each_active_connection (priv->manager, ac, tmp_list) {
NMVpnConnection * candidate;
NMVpnConnectionState vpn_state;
const NMPObject * obj;
guint32 metric;
if (!NM_IS_VPN_CONNECTION(ac))
continue;
candidate = NM_VPN_CONNECTION(ac);
vpn_state = nm_vpn_connection_get_vpn_state(candidate);
if (vpn_state != NM_VPN_CONNECTION_STATE_ACTIVATED)
continue;
if (addr_family == AF_INET)
conf = nm_vpn_connection_get_ip4_config(candidate);
else
conf = nm_vpn_connection_get_ip6_config(candidate);
if (!conf)
continue;
if (addr_family == AF_INET)
obj = nm_ip4_config_best_default_route_get(conf);
else
obj = nm_ip6_config_best_default_route_get(conf);
if (!obj)
continue;
metric = NMP_OBJECT_CAST_IPX_ROUTE(obj)->rx.metric;
if (metric <= best_metric) {
best_metric = metric;
best_conf = conf;
best_vpn = candidate;
}
}
if (best_metric != G_MAXUINT64) {
NM_SET_OUT(out_device, NULL);
NM_SET_OUT(out_vpn, best_vpn);
NM_SET_OUT(out_ac, NM_ACTIVE_CONNECTION(best_vpn));
NM_SET_OUT(out_ip_iface, nm_vpn_connection_get_ip_iface(best_vpn, TRUE));
return best_conf;
}
ac = get_best_active_connection(self, addr_family, TRUE);
if (ac) {
NMDevice *device = nm_active_connection_get_device(ac);
nm_assert(device);
if (addr_family == AF_INET)
conf = nm_device_get_ip4_config(device);
else
conf = nm_device_get_ip6_config(device);
NM_SET_OUT(out_device, device);
NM_SET_OUT(out_vpn, NULL);
NM_SET_OUT(out_ac, ac);
NM_SET_OUT(out_ip_iface, nm_device_get_ip_iface(device));
return conf;
}
NM_SET_OUT(out_device, NULL);
NM_SET_OUT(out_vpn, NULL);
NM_SET_OUT(out_ac, NULL);
NM_SET_OUT(out_ip_iface, NULL);
return NULL;
}
static void
update_ip4_routing(NMPolicy *self, gboolean force_update)
{
NMPolicyPrivate * priv = NM_POLICY_GET_PRIVATE(self);
NMDevice * best = NULL;
NMVpnConnection * vpn = NULL;
NMActiveConnection *best_ac = NULL;
const char * ip_iface = NULL;
const CList * tmp_list;
NMActiveConnection *ac;
/* Note that we might have an IPv4 VPN tunneled over an IPv6-only device,
* so we can get (vpn != NULL && best == NULL).
*/
if (!get_best_ip_config(self, AF_INET, &ip_iface, &best_ac, &best, &vpn)) {
if (nm_clear_g_object(&priv->default_ac4)) {
_LOGt(LOGD_DNS, "set-default-ac-4: %p", NULL);
_notify(self, PROP_DEFAULT_IP4_AC);
}
return;
}
g_assert((best || vpn) && best_ac);
if (!force_update && best_ac && best_ac == priv->default_ac4)
return;
if (best) {
nm_manager_for_each_active_connection (priv->manager, ac, tmp_list) {
if (NM_IS_VPN_CONNECTION(ac) && nm_vpn_connection_get_ip4_config(NM_VPN_CONNECTION(ac))
&& !nm_active_connection_get_device(ac))
nm_active_connection_set_device(ac, best);
}
}
update_default_ac(self, AF_INET, best_ac);
if (!nm_g_object_ref_set(&priv->default_ac4, best_ac))
return;
_LOGt(LOGD_DNS, "set-default-ac-4: %p", priv->default_ac4);
_LOGI(LOGD_CORE,
"set '%s' (%s) as default for IPv4 routing and DNS",
nm_connection_get_id(nm_active_connection_get_applied_connection(best_ac)),
ip_iface);
_notify(self, PROP_DEFAULT_IP4_AC);
}
static void
update_ip6_prefix_delegation(NMPolicy *self)
{
NMPolicyPrivate * priv = NM_POLICY_GET_PRIVATE(self);
NMDevice * device;
NMActiveConnection *ac;
const CList * tmp_list;
/* There's new default IPv6 connection, try to get a prefix for everyone. */
nm_manager_for_each_active_connection (priv->manager, ac, tmp_list) {
device = nm_active_connection_get_device(ac);
if (device && nm_device_needs_ip6_subnet(device))
ip6_subnet_from_device(self, get_default_device(self, AF_INET6), device);
}
}
static void
update_ip6_routing(NMPolicy *self, gboolean force_update)
{
NMPolicyPrivate * priv = NM_POLICY_GET_PRIVATE(self);
NMDevice * best = NULL;
NMVpnConnection * vpn = NULL;
NMActiveConnection *best_ac = NULL;
const char * ip_iface = NULL;
NMActiveConnection *ac;
const CList * tmp_list;
/* Note that we might have an IPv6 VPN tunneled over an IPv4-only device,
* so we can get (vpn != NULL && best == NULL).
*/
if (!get_best_ip_config(self, AF_INET6, &ip_iface, &best_ac, &best, &vpn)) {
if (nm_clear_g_object(&priv->default_ac6)) {
_LOGt(LOGD_DNS, "set-default-ac-6: %p", NULL);
_notify(self, PROP_DEFAULT_IP6_AC);
}
return;
}
g_assert((best || vpn) && best_ac);
if (!force_update && best_ac && best_ac == priv->default_ac6)
return;
if (best) {
nm_manager_for_each_active_connection (priv->manager, ac, tmp_list) {
if (NM_IS_VPN_CONNECTION(ac) && nm_vpn_connection_get_ip6_config(NM_VPN_CONNECTION(ac))
&& !nm_active_connection_get_device(ac))
nm_active_connection_set_device(ac, best);
}
}
update_default_ac(self, AF_INET6, best_ac);
if (!nm_g_object_ref_set(&priv->default_ac6, best_ac))
return;
_LOGt(LOGD_DNS, "set-default-ac-6: %p", priv->default_ac6);
update_ip6_prefix_delegation(self);
_LOGI(LOGD_CORE,
"set '%s' (%s) as default for IPv6 routing and DNS",
nm_connection_get_id(nm_active_connection_get_applied_connection(best_ac)),
ip_iface);
_notify(self, PROP_DEFAULT_IP6_AC);
}
static void
update_ip_dns(NMPolicy *self, int addr_family, NMDevice *changed_device)
{
NMPolicyPrivate *priv = NM_POLICY_GET_PRIVATE(self);
gpointer ip_config;
const char * ip_iface = NULL;
NMVpnConnection *vpn = NULL;
NMDevice * device = NULL;
nm_assert_addr_family(addr_family);
ip_config = get_best_ip_config(self, addr_family, &ip_iface, NULL, &device, &vpn);
if (ip_config) {
/* Tell the DNS manager this config is preferred by re-adding it with
* a different IP config type.
*/
_dns_manager_set_ip_config(NM_POLICY_GET_PRIVATE(self)->dns_manager,
ip_config,
(vpn || (device && nm_device_is_vpn(device)))
? NM_DNS_IP_CONFIG_TYPE_VPN
: NM_DNS_IP_CONFIG_TYPE_BEST_DEVICE,
device);
}
if (addr_family == AF_INET6) {
NMActiveConnection *ac;
const CList * tmp_list;
/* Tell devices needing a subnet about the new DNS configuration */
nm_manager_for_each_active_connection (priv->manager, ac, tmp_list) {
device = nm_active_connection_get_device(ac);
if (device && device != changed_device && nm_device_needs_ip6_subnet(device))
nm_device_copy_ip6_dns_config(device, get_default_device(self, AF_INET6));
}
}
}
static void
update_routing_and_dns(NMPolicy *self, gboolean force_update, NMDevice *changed_device)
{
NMPolicyPrivate *priv = NM_POLICY_GET_PRIVATE(self);
nm_dns_manager_begin_updates(priv->dns_manager, __func__);
update_ip_dns(self, AF_INET, changed_device);
update_ip_dns(self, AF_INET6, changed_device);
update_ip4_routing(self, force_update);
update_ip6_routing(self, force_update);
/* Update the system hostname */
update_system_hostname(self, "routing and dns");
nm_dns_manager_end_updates(priv->dns_manager, __func__);
}
static void
check_activating_active_connections(NMPolicy *self)
{
NMPolicyPrivate * priv = NM_POLICY_GET_PRIVATE(self);
NMActiveConnection *best4, *best6 = NULL;
best4 = get_best_active_connection(self, AF_INET, FALSE);
best6 = get_best_active_connection(self, AF_INET6, FALSE);
g_object_freeze_notify(G_OBJECT(self));
if (nm_g_object_ref_set(&priv->activating_ac4, best4)) {
_LOGt(LOGD_DNS, "set-activating-ac-4: %p", priv->activating_ac4);
_notify(self, PROP_ACTIVATING_IP4_AC);
}
if (nm_g_object_ref_set(&priv->activating_ac6, best6)) {
_LOGt(LOGD_DNS, "set-activating-ac-6: %p", priv->activating_ac6);
_notify(self, PROP_ACTIVATING_IP6_AC);
}
g_object_thaw_notify(G_OBJECT(self));
}
typedef struct {
CList pending_lst;
NMPolicy *policy;
NMDevice *device;
guint autoactivate_id;
} ActivateData;
static void
activate_data_free(ActivateData *data)
{
nm_device_remove_pending_action(data->device, NM_PENDING_ACTION_AUTOACTIVATE, TRUE);
c_list_unlink_stale(&data->pending_lst);
nm_clear_g_source(&data->autoactivate_id);
g_object_unref(data->device);
g_slice_free(ActivateData, data);
}
static void
pending_ac_gone(gpointer data, GObject *where_the_object_was)
{
NMPolicy * self = NM_POLICY(data);
NMPolicyPrivate *priv = NM_POLICY_GET_PRIVATE(self);
/* Active connections should reach the DEACTIVATED state
* before disappearing. */
nm_assert_not_reached();
if (g_hash_table_remove(priv->pending_active_connections, where_the_object_was))
g_object_unref(self);
}
static void
pending_ac_state_changed(NMActiveConnection *ac, guint state, guint reason, NMPolicy *self)
{
NMPolicyPrivate * priv = NM_POLICY_GET_PRIVATE(self);
NMSettingsConnection *con;
if (state >= NM_ACTIVE_CONNECTION_STATE_DEACTIVATING) {
/* The AC is being deactivated before the device had a chance
* to move to PREPARE. Schedule a new auto-activation on the
* device, but block the current connection to avoid an activation
* loop.
*/
if (reason != NM_ACTIVE_CONNECTION_STATE_REASON_DEVICE_DISCONNECTED) {
con = nm_active_connection_get_settings_connection(ac);
nm_settings_connection_autoconnect_blocked_reason_set(
con,
NM_SETTINGS_AUTO_CONNECT_BLOCKED_REASON_FAILED,
TRUE);
schedule_activate_check(self, nm_active_connection_get_device(ac));
}
/* Cleanup */
g_signal_handlers_disconnect_by_func(ac, pending_ac_state_changed, self);
if (!g_hash_table_remove(priv->pending_active_connections, ac))
nm_assert_not_reached();
g_object_weak_unref(G_OBJECT(ac), pending_ac_gone, self);
g_object_unref(self);
}
}
static void
auto_activate_device(NMPolicy *self, NMDevice *device)
{
NMPolicyPrivate * priv;
NMSettingsConnection *best_connection;
gs_free char * specific_object = NULL;
gs_free NMSettingsConnection **connections = NULL;
guint i, len;
gs_free_error GError *error = NULL;
gs_unref_object NMAuthSubject *subject = NULL;
NMActiveConnection * ac;
nm_assert(NM_IS_POLICY(self));
nm_assert(NM_IS_DEVICE(device));
priv = NM_POLICY_GET_PRIVATE(self);
// FIXME: if a device is already activating (or activated) with a connection
// but another connection now overrides the current one for that device,
// deactivate the device and activate the new connection instead of just
// bailing if the device is already active
if (nm_device_get_act_request(device))
return;
if (!nm_device_autoconnect_allowed(device))
return;
connections = nm_manager_get_activatable_connections(priv->manager, TRUE, TRUE, &len);
if (!connections[0])
return;
/* Find the first connection that should be auto-activated */
best_connection = NULL;
for (i = 0; i < len; i++) {
NMSettingsConnection *candidate = connections[i];
NMConnection * cand_conn;
NMSettingConnection * s_con;
const char * permission;
if (nm_settings_connection_autoconnect_is_blocked(candidate))
continue;
cand_conn = nm_settings_connection_get_connection(candidate);
s_con = nm_connection_get_setting_connection(cand_conn);
if (!nm_setting_connection_get_autoconnect(s_con))
continue;
permission = nm_utils_get_shared_wifi_permission(cand_conn);
if (permission && !nm_settings_connection_check_permission(candidate, permission))
continue;
if (nm_device_can_auto_connect(device, candidate, &specific_object)) {
best_connection = candidate;
break;
}
}
if (!best_connection)
return;
_LOGI(LOGD_DEVICE,
"auto-activating connection '%s' (%s)",
nm_settings_connection_get_id(best_connection),
nm_settings_connection_get_uuid(best_connection));
subject = nm_auth_subject_new_internal();
ac = nm_manager_activate_connection(
priv->manager,
best_connection,
NULL,
specific_object,
device,
subject,
NM_ACTIVATION_TYPE_MANAGED,
NM_ACTIVATION_REASON_AUTOCONNECT,
NM_ACTIVATION_STATE_FLAG_LIFETIME_BOUND_TO_PROFILE_VISIBILITY,
&error);
if (!ac) {
_LOGI(LOGD_DEVICE,
"connection '%s' auto-activation failed: %s",
nm_settings_connection_get_id(best_connection),
error->message);
nm_settings_connection_autoconnect_blocked_reason_set(
best_connection,
NM_SETTINGS_AUTO_CONNECT_BLOCKED_REASON_FAILED,
TRUE);
schedule_activate_check(self, device);
return;
}
/* Subscribe to AC state-changed signal to detect when the
* activation fails in early stages without changing device
* state.
*/
if (g_hash_table_add(priv->pending_active_connections, ac)) {
g_signal_connect(ac,
NM_ACTIVE_CONNECTION_STATE_CHANGED,
G_CALLBACK(pending_ac_state_changed),
g_object_ref(self));
g_object_weak_ref(G_OBJECT(ac), (GWeakNotify) pending_ac_gone, self);
}
}
static gboolean
auto_activate_device_cb(gpointer user_data)
{
ActivateData *data = user_data;
g_assert(data);
g_assert(NM_IS_POLICY(data->policy));
g_assert(NM_IS_DEVICE(data->device));
data->autoactivate_id = 0;
auto_activate_device(data->policy, data->device);
activate_data_free(data);
return G_SOURCE_REMOVE;
}
static ActivateData *
find_pending_activation(NMPolicy *self, NMDevice *device)
{
NMPolicyPrivate *priv = NM_POLICY_GET_PRIVATE(self);
ActivateData * data;
c_list_for_each_entry (data, &priv->pending_activation_checks, pending_lst) {
if (data->device == device)
return data;
}
return NULL;
}
/*****************************************************************************/
typedef struct {
NMDevice *device;
GSList * secondaries;
} PendingSecondaryData;
static PendingSecondaryData *
pending_secondary_data_new(NMDevice *device, GSList *secondaries)
{
PendingSecondaryData *data;
data = g_slice_new(PendingSecondaryData);
data->device = g_object_ref(device);
data->secondaries = secondaries;
return data;
}
static void
pending_secondary_data_free(PendingSecondaryData *data)
{
g_object_unref(data->device);
g_slist_free_full(data->secondaries, g_object_unref);
g_slice_free(PendingSecondaryData, data);
}
static void
process_secondaries(NMPolicy *self, NMActiveConnection *active, gboolean connected)
{
NMPolicyPrivate *priv = NM_POLICY_GET_PRIVATE(self);
GSList * iter, *iter2, *next, *next2;
/* Loop through devices waiting for secondary connections to activate */
for (iter = priv->pending_secondaries; iter; iter = next) {
PendingSecondaryData *secondary_data = (PendingSecondaryData *) iter->data;
NMDevice * item_device = secondary_data->device;
next = g_slist_next(iter);
/* Look for 'active' in each device's secondary connections list */
for (iter2 = secondary_data->secondaries; iter2; iter2 = next2) {
NMActiveConnection *secondary_active = NM_ACTIVE_CONNECTION(iter2->data);
next2 = g_slist_next(iter2);
if (active != secondary_active)
continue;
if (connected) {
_LOGD(LOGD_DEVICE,
"secondary connection '%s' succeeded; active path '%s'",
nm_active_connection_get_settings_connection_id(active),
nm_dbus_object_get_path(NM_DBUS_OBJECT(active)));
/* Secondary connection activated */
secondary_data->secondaries =
g_slist_remove(secondary_data->secondaries, secondary_active);
g_object_unref(secondary_active);
if (!secondary_data->secondaries) {
/* No secondary UUID remained -> remove the secondary data item */
priv->pending_secondaries =
g_slist_remove(priv->pending_secondaries, secondary_data);
pending_secondary_data_free(secondary_data);
if (nm_device_get_state(item_device) == NM_DEVICE_STATE_SECONDARIES)
nm_device_state_changed(item_device,
NM_DEVICE_STATE_ACTIVATED,
NM_DEVICE_STATE_REASON_NONE);
break;
}
} else {
_LOGD(LOGD_DEVICE,
"secondary connection '%s' failed; active path '%s'",
nm_active_connection_get_settings_connection_id(active),
nm_dbus_object_get_path(NM_DBUS_OBJECT(active)));
/* Secondary connection failed -> do not watch other connections */
priv->pending_secondaries =
g_slist_remove(priv->pending_secondaries, secondary_data);
pending_secondary_data_free(secondary_data);
if (nm_device_get_state(item_device) == NM_DEVICE_STATE_SECONDARIES
|| nm_device_get_state(item_device) == NM_DEVICE_STATE_ACTIVATED)
nm_device_state_changed(item_device,
NM_DEVICE_STATE_FAILED,
NM_DEVICE_STATE_REASON_SECONDARY_CONNECTION_FAILED);
break;
}
}
}
}
static void
hostname_changed(NMHostnameManager *hostname_manager, GParamSpec *pspec, gpointer user_data)
{
NMPolicyPrivate *priv = user_data;
NMPolicy * self = _PRIV_TO_SELF(priv);
update_system_hostname(self, "hostname changed");
}
static gboolean
reset_autoconnect_all(
NMPolicy *self,
NMDevice *device, /* if present, only reset connections compatible with @device */
gboolean only_no_secrets)
{
NMPolicyPrivate * priv = NM_POLICY_GET_PRIVATE(self);
NMSettingsConnection *const *connections = NULL;
guint i;
gboolean changed = FALSE;
_LOGD(LOGD_DEVICE,
"re-enabling autoconnect for all connections%s%s%s",
device ? " on " : "",
device ? nm_device_get_iface(device) : "",
only_no_secrets ? " (only clear no-secrets flag)" : "");
connections = nm_settings_get_connections(priv->settings, NULL);
for (i = 0; connections[i]; i++) {
NMSettingsConnection *sett_conn = connections[i];
if (device
&& !nm_device_check_connection_compatible(
device,
nm_settings_connection_get_connection(sett_conn),
NULL))
continue;
if (only_no_secrets) {
/* we only reset the no-secrets blocked flag. */
if (nm_settings_connection_autoconnect_blocked_reason_set(
sett_conn,
NM_SETTINGS_AUTO_CONNECT_BLOCKED_REASON_NO_SECRETS,
FALSE)) {
/* maybe the connection is still blocked afterwards for other reasons
* and in the larger picture nothing changed. But it's too complicated
* to find out exactly. Just assume, something changed to be sure. */
if (!nm_settings_connection_autoconnect_is_blocked(sett_conn))
changed = TRUE;
}
} else {
/* we reset the tries-count and any blocked-reason */
if (nm_settings_connection_autoconnect_retries_get(sett_conn) == 0)
changed = TRUE;
nm_settings_connection_autoconnect_retries_reset(sett_conn);
if (nm_settings_connection_autoconnect_blocked_reason_set(
sett_conn,
NM_SETTINGS_AUTO_CONNECT_BLOCKED_REASON_ALL
& ~NM_SETTINGS_AUTO_CONNECT_BLOCKED_REASON_USER_REQUEST,
FALSE)) {
if (!nm_settings_connection_autoconnect_is_blocked(sett_conn))
changed = TRUE;
}
}
}
return changed;
}
static void
sleeping_changed(NMManager *manager, GParamSpec *pspec, gpointer user_data)
{
NMPolicyPrivate *priv = user_data;
NMPolicy * self = _PRIV_TO_SELF(priv);
gboolean sleeping = FALSE, enabled = FALSE;
g_object_get(G_OBJECT(manager), NM_MANAGER_SLEEPING, &sleeping, NULL);
g_object_get(G_OBJECT(manager), NM_MANAGER_NETWORKING_ENABLED, &enabled, NULL);
/* Reset retries on all connections so they'll checked on wakeup */
if (sleeping || !enabled)
reset_autoconnect_all(self, NULL, FALSE);
}
static void
schedule_activate_check(NMPolicy *self, NMDevice *device)
{
NMPolicyPrivate * priv = NM_POLICY_GET_PRIVATE(self);
ActivateData * data;
NMActiveConnection *ac;
const CList * tmp_list;
if (nm_manager_get_state(priv->manager) == NM_STATE_ASLEEP)
return;
if (!nm_device_autoconnect_allowed(device))
return;
if (find_pending_activation(self, device))
return;
nm_manager_for_each_active_connection (priv->manager, ac, tmp_list) {
if (nm_active_connection_get_device(ac) == device)
return;
}
nm_device_add_pending_action(device, NM_PENDING_ACTION_AUTOACTIVATE, TRUE);
data = g_slice_new0(ActivateData);
data->policy = self;
data->device = g_object_ref(device);
data->autoactivate_id = g_idle_add(auto_activate_device_cb, data);
c_list_link_tail(&priv->pending_activation_checks, &data->pending_lst);
}
static gboolean
reset_connections_retries(gpointer user_data)
{
NMPolicy * self = (NMPolicy *) user_data;
NMPolicyPrivate * priv = NM_POLICY_GET_PRIVATE(self);
NMSettingsConnection *const *connections = NULL;
guint i;
gint32 con_stamp, min_stamp, now;
gboolean changed = FALSE;
priv->reset_retries_id = 0;
min_stamp = 0;
now = nm_utils_get_monotonic_timestamp_sec();
connections = nm_settings_get_connections(priv->settings, NULL);
for (i = 0; connections[i]; i++) {
NMSettingsConnection *connection = connections[i];
con_stamp = nm_settings_connection_autoconnect_retries_blocked_until(connection);
if (con_stamp == 0)
continue;
if (con_stamp <= now) {
nm_settings_connection_autoconnect_retries_reset(connection);
changed = TRUE;
} else if (min_stamp == 0 || min_stamp > con_stamp)
min_stamp = con_stamp;
}
/* Schedule the handler again if there are some stamps left */
if (min_stamp != 0)
priv->reset_retries_id =
g_timeout_add_seconds(min_stamp - now, reset_connections_retries, self);
/* If anything changed, try to activate the newly re-enabled connections */
if (changed)
schedule_activate_all(self);
return FALSE;
}
static void
_connection_autoconnect_retries_set(NMPolicy *self, NMSettingsConnection *connection, int tries)
{
NMPolicyPrivate *priv = NM_POLICY_GET_PRIVATE(self);
nm_assert(NM_IS_SETTINGS_CONNECTION(connection));
nm_assert(tries >= 0);
nm_settings_connection_autoconnect_retries_set(connection, tries);
if (tries == 0) {
/* Schedule a handler to reset retries count */
if (!priv->reset_retries_id) {
gint32 retry_time =
nm_settings_connection_autoconnect_retries_blocked_until(connection);
g_warn_if_fail(retry_time != 0);
priv->reset_retries_id =
g_timeout_add_seconds(MAX(0, retry_time - nm_utils_get_monotonic_timestamp_sec()),
reset_connections_retries,
self);
}
}
}
static void
activate_slave_connections(NMPolicy *self, NMDevice *device)
{
NMPolicyPrivate * priv = NM_POLICY_GET_PRIVATE(self);
const char * master_device;
const char * master_uuid_settings = NULL;
const char * master_uuid_applied = NULL;
guint i;
NMActRequest * req;
gboolean internal_activation = FALSE;
NMSettingsConnection *const *connections;
gboolean changed;
master_device = nm_device_get_iface(device);
g_assert(master_device);
req = nm_device_get_act_request(device);
if (req) {
NMConnection * connection;
NMSettingsConnection *sett_conn;
NMAuthSubject * subject;
connection = nm_active_connection_get_applied_connection(NM_ACTIVE_CONNECTION(req));
if (connection)
master_uuid_applied = nm_connection_get_uuid(connection);
sett_conn = nm_active_connection_get_settings_connection(NM_ACTIVE_CONNECTION(req));
if (sett_conn) {
master_uuid_settings = nm_settings_connection_get_uuid(sett_conn);
if (nm_streq0(master_uuid_settings, master_uuid_applied))
master_uuid_settings = NULL;
}
subject = nm_active_connection_get_subject(NM_ACTIVE_CONNECTION(req));
internal_activation =
subject && (nm_auth_subject_get_subject_type(subject) == NM_AUTH_SUBJECT_TYPE_INTERNAL);
}
changed = FALSE;
connections = nm_settings_get_connections(priv->settings, NULL);
for (i = 0; connections[i]; i++) {
NMSettingsConnection *sett_conn = connections[i];
NMSettingConnection * s_slave_con;
const char * slave_master;
s_slave_con =
nm_connection_get_setting_connection(nm_settings_connection_get_connection(sett_conn));
slave_master = nm_setting_connection_get_master(s_slave_con);
if (!slave_master)
continue;
if (!NM_IN_STRSET(slave_master, master_device, master_uuid_applied, master_uuid_settings))
continue;
if (!internal_activation) {
if (nm_settings_connection_autoconnect_retries_get(sett_conn) == 0)
changed = TRUE;
nm_settings_connection_autoconnect_retries_reset(sett_conn);
}
if (nm_settings_connection_autoconnect_blocked_reason_set(
sett_conn,
NM_SETTINGS_AUTO_CONNECT_BLOCKED_REASON_FAILED,
FALSE)) {
if (!nm_settings_connection_autoconnect_is_blocked(sett_conn))
changed = TRUE;
}
}
if (changed)
schedule_activate_all(self);
}
static gboolean
activate_secondary_connections(NMPolicy *self, NMConnection *connection, NMDevice *device)
{
NMPolicyPrivate * priv = NM_POLICY_GET_PRIVATE(self);
NMSettingConnection * s_con;
NMActiveConnection * ac;
PendingSecondaryData * secondary_data;
GSList * secondary_ac_list = NULL;
GError * error = NULL;
guint32 i;
gboolean success = TRUE;
NMActivationStateFlags initial_state_flags;
s_con = nm_connection_get_setting_connection(connection);
nm_assert(NM_IS_SETTING_CONNECTION(s_con));
/* we propagate the activation's state flags. */
initial_state_flags = nm_device_get_activation_state_flags(device)
& NM_ACTIVATION_STATE_FLAG_LIFETIME_BOUND_TO_PROFILE_VISIBILITY;
for (i = 0; i < nm_setting_connection_get_num_secondaries(s_con); i++) {
NMSettingsConnection *sett_conn;
const char * sec_uuid = nm_setting_connection_get_secondary(s_con, i);
NMActRequest * req;
sett_conn = nm_settings_get_connection_by_uuid(priv->settings, sec_uuid);
if (!sett_conn) {
_LOGW(LOGD_DEVICE,
"secondary connection '%s' auto-activation failed: The connection doesn't exist.",
sec_uuid);
success = FALSE;
break;
}
if (!nm_connection_is_type(nm_settings_connection_get_connection(sett_conn),
NM_SETTING_VPN_SETTING_NAME)) {
_LOGW(LOGD_DEVICE,
"secondary connection '%s (%s)' auto-activation failed: The connection is not a "
"VPN.",
nm_settings_connection_get_id(sett_conn),
sec_uuid);
success = FALSE;
break;
}
req = nm_device_get_act_request(device);
_LOGD(LOGD_DEVICE,
"activating secondary connection '%s (%s)' for base connection '%s (%s)'",
nm_settings_connection_get_id(sett_conn),
sec_uuid,
nm_connection_get_id(connection),
nm_connection_get_uuid(connection));
ac = nm_manager_activate_connection(
priv->manager,
sett_conn,
NULL,
nm_dbus_object_get_path(NM_DBUS_OBJECT(req)),
device,
nm_active_connection_get_subject(NM_ACTIVE_CONNECTION(req)),
NM_ACTIVATION_TYPE_MANAGED,
nm_active_connection_get_activation_reason(NM_ACTIVE_CONNECTION(req)),
initial_state_flags,
&error);
if (ac)
secondary_ac_list = g_slist_append(secondary_ac_list, g_object_ref(ac));
else {
_LOGW(LOGD_DEVICE,
"secondary connection '%s (%s)' auto-activation failed: (%d) %s",
nm_settings_connection_get_id(sett_conn),
sec_uuid,
error->code,
error->message);
g_clear_error(&error);
success = FALSE;
break;
}
}
if (success && secondary_ac_list != NULL) {
secondary_data = pending_secondary_data_new(device, secondary_ac_list);
priv->pending_secondaries = g_slist_append(priv->pending_secondaries, secondary_data);
} else
g_slist_free_full(secondary_ac_list, g_object_unref);
return success;
}
static void
device_state_changed(NMDevice * device,
NMDeviceState new_state,
NMDeviceState old_state,
NMDeviceStateReason reason,
gpointer user_data)
{
NMPolicyPrivate * priv = user_data;
NMPolicy * self = _PRIV_TO_SELF(priv);
NMActiveConnection * ac;
NMSettingsConnection *sett_conn = nm_device_get_settings_connection(device);
NMIP4Config * ip4_config;
NMIP6Config * ip6_config;
NMSettingConnection * s_con = NULL;
switch (nm_device_state_reason_check(reason)) {
case NM_DEVICE_STATE_REASON_GSM_SIM_PIN_REQUIRED:
case NM_DEVICE_STATE_REASON_GSM_SIM_PUK_REQUIRED:
case NM_DEVICE_STATE_REASON_SIM_PIN_INCORRECT:
case NM_DEVICE_STATE_REASON_GSM_APN_FAILED:
/* Block autoconnection at settings level if there is any settings-specific
* error reported by the modem (e.g. wrong SIM-PIN or wrong APN). Do not block
* autoconnection at settings level for errors in the device domain (e.g.
* a missing SIM or wrong modem initialization).
*/
if (sett_conn) {
nm_settings_connection_autoconnect_blocked_reason_set(
sett_conn,
NM_SETTINGS_AUTO_CONNECT_BLOCKED_REASON_FAILED,
TRUE);
}
break;
default:
break;
}
switch (new_state) {
case NM_DEVICE_STATE_FAILED:
g_signal_handlers_disconnect_by_func(device, device_dns_lookup_done, self);
/* Mark the connection invalid if it failed during activation so that
* it doesn't get automatically chosen over and over and over again.
*/
if (sett_conn && old_state >= NM_DEVICE_STATE_PREPARE
&& old_state <= NM_DEVICE_STATE_ACTIVATED) {
gboolean blocked = FALSE;
int tries;
guint64 con_v;
if (nm_device_state_reason_check(reason) == NM_DEVICE_STATE_REASON_NO_SECRETS) {
/* we want to block the connection from auto-connect if it failed due to no-secrets.
* However, if a secret-agent registered, since the connection made the last
* secret-request, we do not block it. The new secret-agent might not yet
* been consulted, and it may be able to provide the secrets.
*
* We detect this by using a version-id of the agent-manager, which increments
* whenever new agents register. Note that the agent-manager's version-id is
* never zero and strictly increasing.
*
* A connection's version-id of zero means that the connection never tried to request secrets.
* That can happen when nm_settings_connection_get_secrets() fails early without actually
* consulting any agents.
*/
con_v = nm_settings_connection_get_last_secret_agent_version_id(sett_conn);
if (con_v == 0 || con_v == nm_agent_manager_get_agent_version_id(priv->agent_mgr)) {
_LOGD(LOGD_DEVICE,
"connection '%s' now blocked from autoconnect due to no secrets",
nm_settings_connection_get_id(sett_conn));
nm_settings_connection_autoconnect_blocked_reason_set(
sett_conn,
NM_SETTINGS_AUTO_CONNECT_BLOCKED_REASON_NO_SECRETS,
TRUE);
blocked = TRUE;
}
} else if (nm_device_state_reason_check(reason)
== NM_DEVICE_STATE_REASON_DEPENDENCY_FAILED) {
/* A connection that fails due to dependency-failed is not
* able to reconnect until the master connection activates
* again; when this happens, the master clears the blocked
* reason for all its slaves in activate_slave_connections()
* and tries to reconnect them. For this to work, the slave
* should be marked as blocked when it fails with
* dependency-failed.
*/
_LOGD(LOGD_DEVICE,
"connection '%s' now blocked from autoconnect due to failed dependency",
nm_settings_connection_get_id(sett_conn));
nm_settings_connection_autoconnect_blocked_reason_set(
sett_conn,
NM_SETTINGS_AUTO_CONNECT_BLOCKED_REASON_FAILED,
TRUE);
blocked = TRUE;
}
if (!blocked) {
tries = nm_settings_connection_autoconnect_retries_get(sett_conn);
if (tries > 0) {
_LOGD(LOGD_DEVICE,
"connection '%s' failed to autoconnect; %d tries left",
nm_settings_connection_get_id(sett_conn),
tries - 1);
_connection_autoconnect_retries_set(self, sett_conn, tries - 1);
} else if (tries != 0) {
_LOGD(LOGD_DEVICE,
"connection '%s' failed to autoconnect; infinite tries left",
nm_settings_connection_get_id(sett_conn));
}
}
nm_settings_connection_clear_secrets(sett_conn, FALSE, FALSE);
}
break;
case NM_DEVICE_STATE_ACTIVATED:
if (sett_conn) {
/* Reset auto retries back to default since connection was successful */
nm_settings_connection_autoconnect_retries_reset(sett_conn);
/* And clear secrets so they will always be requested from the
* settings service when the next connection is made.
*/
nm_settings_connection_clear_secrets(sett_conn, FALSE, FALSE);
}
/* Add device's new IPv4 and IPv6 configs to DNS */
nm_dns_manager_begin_updates(priv->dns_manager, __func__);
ip4_config = nm_device_get_ip4_config(device);
if (ip4_config)
_dns_manager_set_ip_config(priv->dns_manager,
NM_IP_CONFIG_CAST(ip4_config),
NM_DNS_IP_CONFIG_TYPE_DEFAULT,
device);
ip6_config = nm_device_get_ip6_config(device);
if (ip6_config)
_dns_manager_set_ip_config(priv->dns_manager,
NM_IP_CONFIG_CAST(ip6_config),
NM_DNS_IP_CONFIG_TYPE_DEFAULT,
device);
update_routing_and_dns(self, FALSE, device);
nm_dns_manager_end_updates(priv->dns_manager, __func__);
break;
case NM_DEVICE_STATE_UNMANAGED:
case NM_DEVICE_STATE_UNAVAILABLE:
if (old_state > NM_DEVICE_STATE_DISCONNECTED)
update_routing_and_dns(self, FALSE, device);
break;
case NM_DEVICE_STATE_DEACTIVATING:
if (sett_conn) {
NMSettingsAutoconnectBlockedReason blocked_reason =
NM_SETTINGS_AUTO_CONNECT_BLOCKED_REASON_NONE;
switch (nm_device_state_reason_check(reason)) {
case NM_DEVICE_STATE_REASON_USER_REQUESTED:
blocked_reason = NM_SETTINGS_AUTO_CONNECT_BLOCKED_REASON_USER_REQUEST;
break;
case NM_DEVICE_STATE_REASON_DEPENDENCY_FAILED:
blocked_reason = NM_SETTINGS_AUTO_CONNECT_BLOCKED_REASON_FAILED;
break;
default:
break;
}
if (blocked_reason != NM_SETTINGS_AUTO_CONNECT_BLOCKED_REASON_NONE) {
_LOGD(LOGD_DEVICE,
"blocking autoconnect of connection '%s': %s",
nm_settings_connection_get_id(sett_conn),
NM_UTILS_LOOKUP_STR_A(nm_device_state_reason_to_str,
nm_device_state_reason_check(reason)));
nm_settings_connection_autoconnect_blocked_reason_set(sett_conn,
blocked_reason,
TRUE);
}
}
ip6_remove_device_prefix_delegations(self, device);
break;
case NM_DEVICE_STATE_DISCONNECTED:
g_signal_handlers_disconnect_by_func(device, device_dns_lookup_done, self);
/* Reset retry counts for a device's connections when carrier on; if cable
* was unplugged and plugged in again, we should try to reconnect.
*/
if (nm_device_state_reason_check(reason) == NM_DEVICE_STATE_REASON_CARRIER
&& old_state == NM_DEVICE_STATE_UNAVAILABLE)
reset_autoconnect_all(self, device, FALSE);
if (old_state > NM_DEVICE_STATE_DISCONNECTED)
update_routing_and_dns(self, FALSE, device);
/* Device is now available for auto-activation */
schedule_activate_check(self, device);
break;
case NM_DEVICE_STATE_PREPARE:
/* Reset auto-connect retries of all slaves and schedule them for
* activation. */
activate_slave_connections(self, device);
/* Now that the device state is progressing, we don't care
* anymore for the AC state. */
ac = (NMActiveConnection *) nm_device_get_act_request(device);
if (ac && g_hash_table_remove(priv->pending_active_connections, ac)) {
g_signal_handlers_disconnect_by_func(ac, pending_ac_state_changed, self);
g_object_weak_unref(G_OBJECT(ac), pending_ac_gone, self);
g_object_unref(self);
}
break;
case NM_DEVICE_STATE_IP_CONFIG:
/* We must have secrets if we got here. */
if (sett_conn)
nm_settings_connection_autoconnect_blocked_reason_set(
sett_conn,
NM_SETTINGS_AUTO_CONNECT_BLOCKED_REASON_ALL,
FALSE);
break;
case NM_DEVICE_STATE_SECONDARIES:
if (sett_conn)
s_con = nm_connection_get_setting_connection(
nm_settings_connection_get_connection(sett_conn));
if (s_con && nm_setting_connection_get_num_secondaries(s_con) > 0) {
/* Make routes and DNS up-to-date before activating dependent connections */
update_routing_and_dns(self, FALSE, device);
/* Activate secondary (VPN) connections */
if (!activate_secondary_connections(self,
nm_settings_connection_get_connection(sett_conn),
device)) {
nm_device_queue_state(device,
NM_DEVICE_STATE_FAILED,
NM_DEVICE_STATE_REASON_SECONDARY_CONNECTION_FAILED);
}
} else
nm_device_queue_state(device, NM_DEVICE_STATE_ACTIVATED, NM_DEVICE_STATE_REASON_NONE);
break;
default:
break;
}
check_activating_active_connections(self);
}
static void
device_ip_config_changed(NMDevice * device,
NMIPConfig *new_config,
NMIPConfig *old_config,
gpointer user_data)
{
NMPolicyPrivate *priv = user_data;
NMPolicy * self = _PRIV_TO_SELF(priv);
int addr_family;
nm_assert(new_config || old_config);
nm_assert(!new_config || NM_IS_IP_CONFIG(new_config));
nm_assert(!old_config || NM_IS_IP_CONFIG(old_config));
if (new_config) {
addr_family = nm_ip_config_get_addr_family(new_config);
nm_assert(!old_config || addr_family == nm_ip_config_get_addr_family(old_config));
} else
addr_family = nm_ip_config_get_addr_family(old_config);
nm_dns_manager_begin_updates(priv->dns_manager, __func__);
/* We catch already all the IP events registering on the device state changes but
* the ones where the IP changes but the device state keep stable (i.e., activated):
* ignore IP config changes but when the device is in activated state.
* Prevents unnecessary changes to DNS information.
*/
if (nm_device_get_state(device) == NM_DEVICE_STATE_ACTIVATED) {
if (old_config != new_config) {
if (new_config)
_dns_manager_set_ip_config(priv->dns_manager,
new_config,
NM_DNS_IP_CONFIG_TYPE_DEFAULT,
device);
if (old_config)
nm_dns_manager_set_ip_config(priv->dns_manager,
old_config,
NM_DNS_IP_CONFIG_TYPE_REMOVED);
}
update_ip_dns(self, addr_family, device);
if (addr_family == AF_INET)
update_ip4_routing(self, TRUE);
else
update_ip6_routing(self, TRUE);
update_system_hostname(self, addr_family == AF_INET ? "ip4 conf" : "ip6 conf");
} else {
/* Old configs get removed immediately */
if (old_config)
nm_dns_manager_set_ip_config(priv->dns_manager,
old_config,
NM_DNS_IP_CONFIG_TYPE_REMOVED);
}
nm_dns_manager_end_updates(priv->dns_manager, __func__);
}
/*****************************************************************************/
static void
device_autoconnect_changed(NMDevice *device, GParamSpec *pspec, gpointer user_data)
{
NMPolicyPrivate *priv = user_data;
NMPolicy * self = _PRIV_TO_SELF(priv);
schedule_activate_check(self, device);
}
static void
device_recheck_auto_activate(NMDevice *device, gpointer user_data)
{
NMPolicyPrivate *priv = user_data;
NMPolicy * self = _PRIV_TO_SELF(priv);
schedule_activate_check(self, device);
}
static void
devices_list_unregister(NMPolicy *self, NMDevice *device)
{
NMPolicyPrivate *priv = NM_POLICY_GET_PRIVATE(self);
g_signal_handlers_disconnect_by_data((GObject *) device, priv);
}
static void
devices_list_register(NMPolicy *self, NMDevice *device)
{
NMPolicyPrivate *priv = NM_POLICY_GET_PRIVATE(self);
/* Connect state-changed with _after, so that the handler is invoked after other handlers. */
g_signal_connect_after(device, NM_DEVICE_STATE_CHANGED, (GCallback) device_state_changed, priv);
g_signal_connect(device,
NM_DEVICE_IP4_CONFIG_CHANGED,
(GCallback) device_ip_config_changed,
priv);
g_signal_connect(device,
NM_DEVICE_IP6_CONFIG_CHANGED,
(GCallback) device_ip_config_changed,
priv);
g_signal_connect(device,
NM_DEVICE_IP6_PREFIX_DELEGATED,
(GCallback) device_ip6_prefix_delegated,
priv);
g_signal_connect(device,
NM_DEVICE_IP6_SUBNET_NEEDED,
(GCallback) device_ip6_subnet_needed,
priv);
g_signal_connect(device,
"notify::" NM_DEVICE_AUTOCONNECT,
(GCallback) device_autoconnect_changed,
priv);
g_signal_connect(device,
NM_DEVICE_RECHECK_AUTO_ACTIVATE,
(GCallback) device_recheck_auto_activate,
priv);
}
static void
device_added(NMManager *manager, NMDevice *device, gpointer user_data)
{
NMPolicyPrivate *priv = user_data;
NMPolicy * self = _PRIV_TO_SELF(priv);
g_return_if_fail(NM_IS_POLICY(self));
priv = NM_POLICY_GET_PRIVATE(self);
if (!g_hash_table_add(priv->devices, device))
g_return_if_reached();
devices_list_register(self, device);
}
static void
device_removed(NMManager *manager, NMDevice *device, gpointer user_data)
{
NMPolicyPrivate *priv = user_data;
NMPolicy * self = _PRIV_TO_SELF(priv);
ActivateData * data;
/* TODO: is this needed? The delegations are cleaned up
* on transition to deactivated too. */
ip6_remove_device_prefix_delegations(self, device);
/* Clear any idle callbacks for this device */
data = find_pending_activation(self, device);
if (data && data->autoactivate_id)
activate_data_free(data);
if (g_hash_table_remove(priv->devices, device))
devices_list_unregister(self, device);
/* Don't update routing and DNS here as we've already handled that
* for devices that need it when the device's state changed to UNMANAGED.
*/
}
/*****************************************************************************/
static void
vpn_connection_activated(NMPolicy *self, NMVpnConnection *vpn)
{
NMPolicyPrivate *priv = NM_POLICY_GET_PRIVATE(self);
NMIP4Config * ip4_config;
NMIP6Config * ip6_config;
nm_dns_manager_begin_updates(priv->dns_manager, __func__);
ip4_config = nm_vpn_connection_get_ip4_config(vpn);
if (ip4_config)
nm_dns_manager_set_ip_config(priv->dns_manager,
NM_IP_CONFIG_CAST(ip4_config),
NM_DNS_IP_CONFIG_TYPE_VPN);
ip6_config = nm_vpn_connection_get_ip6_config(vpn);
if (ip6_config)
nm_dns_manager_set_ip_config(priv->dns_manager,
NM_IP_CONFIG_CAST(ip6_config),
NM_DNS_IP_CONFIG_TYPE_VPN);
update_routing_and_dns(self, TRUE, NULL);
nm_dns_manager_end_updates(priv->dns_manager, __func__);
}
static void
vpn_connection_deactivated(NMPolicy *self, NMVpnConnection *vpn)
{
NMPolicyPrivate *priv = NM_POLICY_GET_PRIVATE(self);
NMIP4Config * ip4_config;
NMIP6Config * ip6_config;
nm_dns_manager_begin_updates(priv->dns_manager, __func__);
ip4_config = nm_vpn_connection_get_ip4_config(vpn);
if (ip4_config)
nm_dns_manager_set_ip_config(priv->dns_manager,
NM_IP_CONFIG_CAST(ip4_config),
NM_DNS_IP_CONFIG_TYPE_REMOVED);
ip6_config = nm_vpn_connection_get_ip6_config(vpn);
if (ip6_config)
nm_dns_manager_set_ip_config(priv->dns_manager,
NM_IP_CONFIG_CAST(ip6_config),
NM_DNS_IP_CONFIG_TYPE_REMOVED);
update_routing_and_dns(self, TRUE, NULL);
nm_dns_manager_end_updates(priv->dns_manager, __func__);
}
static void
vpn_connection_state_changed(NMVpnConnection * vpn,
NMVpnConnectionState new_state,
NMVpnConnectionState old_state,
NMActiveConnectionStateReason reason,
NMPolicy * self)
{
if (new_state == NM_VPN_CONNECTION_STATE_ACTIVATED)
vpn_connection_activated(self, vpn);
else if (new_state >= NM_VPN_CONNECTION_STATE_FAILED) {
/* Only clean up IP/DNS if the connection ever got past IP_CONFIG */
if (old_state >= NM_VPN_CONNECTION_STATE_IP_CONFIG_GET
&& old_state <= NM_VPN_CONNECTION_STATE_ACTIVATED)
vpn_connection_deactivated(self, vpn);
}
}
static void
vpn_connection_retry_after_failure(NMVpnConnection *vpn, NMPolicy *self)
{
NMPolicyPrivate * priv = NM_POLICY_GET_PRIVATE(self);
NMActiveConnection * ac = NM_ACTIVE_CONNECTION(vpn);
NMSettingsConnection *connection = nm_active_connection_get_settings_connection(ac);
GError * error = NULL;
/* Attempt to reconnect VPN connections that failed after being connected */
if (!nm_manager_activate_connection(
priv->manager,
connection,
NULL,
NULL,
NULL,
nm_active_connection_get_subject(ac),
NM_ACTIVATION_TYPE_MANAGED,
nm_active_connection_get_activation_reason(ac),
(nm_active_connection_get_state_flags(ac)
& NM_ACTIVATION_STATE_FLAG_LIFETIME_BOUND_TO_PROFILE_VISIBILITY),
&error)) {
_LOGW(LOGD_DEVICE,
"VPN '%s' reconnect failed: %s",
nm_settings_connection_get_id(connection),
error->message ?: "unknown");
g_clear_error(&error);
}
}
static void
active_connection_state_changed(NMActiveConnection *active, GParamSpec *pspec, NMPolicy *self)
{
NMActiveConnectionState state = nm_active_connection_get_state(active);
if (state == NM_ACTIVE_CONNECTION_STATE_ACTIVATED)
process_secondaries(self, active, TRUE);
else if (state == NM_ACTIVE_CONNECTION_STATE_DEACTIVATED)
process_secondaries(self, active, FALSE);
}
static void
active_connection_keep_alive_changed(NMKeepAlive *keep_alive, GParamSpec *pspec, NMPolicy *self)
{
NMPolicyPrivate * priv;
NMActiveConnection *ac;
GError * error = NULL;
nm_assert(NM_IS_POLICY(self));
nm_assert(NM_IS_KEEP_ALIVE(keep_alive));
nm_assert(NM_IS_ACTIVE_CONNECTION(nm_keep_alive_get_owner(keep_alive)));
if (nm_keep_alive_is_alive(keep_alive))
return;
ac = nm_keep_alive_get_owner(keep_alive);
if (nm_active_connection_get_state(ac) > NM_ACTIVE_CONNECTION_STATE_ACTIVATED)
return;
priv = NM_POLICY_GET_PRIVATE(self);
if (!nm_manager_deactivate_connection(priv->manager,
ac,
NM_DEVICE_STATE_REASON_CONNECTION_REMOVED,
&error)) {
_LOGW(LOGD_DEVICE,
"connection '%s' is no longer kept alive, but error deactivating it: %s",
nm_active_connection_get_settings_connection_id(ac),
error->message);
g_clear_error(&error);
}
}
static void
active_connection_added(NMManager *manager, NMActiveConnection *active, gpointer user_data)
{
NMPolicyPrivate *priv = user_data;
NMPolicy * self = _PRIV_TO_SELF(priv);
NMKeepAlive * keep_alive;
if (NM_IS_VPN_CONNECTION(active)) {
g_signal_connect(active,
NM_VPN_CONNECTION_INTERNAL_STATE_CHANGED,
G_CALLBACK(vpn_connection_state_changed),
self);
g_signal_connect(active,
NM_VPN_CONNECTION_INTERNAL_RETRY_AFTER_FAILURE,
G_CALLBACK(vpn_connection_retry_after_failure),
self);
}
keep_alive = nm_active_connection_get_keep_alive(active);
nm_keep_alive_arm(keep_alive);
g_signal_connect(active,
"notify::" NM_ACTIVE_CONNECTION_STATE,
G_CALLBACK(active_connection_state_changed),
self);
g_signal_connect(keep_alive,
"notify::" NM_KEEP_ALIVE_ALIVE,
G_CALLBACK(active_connection_keep_alive_changed),
self);
active_connection_keep_alive_changed(keep_alive, NULL, self);
}
static void
active_connection_removed(NMManager *manager, NMActiveConnection *active, gpointer user_data)
{
NMPolicyPrivate *priv = user_data;
NMPolicy * self = _PRIV_TO_SELF(priv);
g_signal_handlers_disconnect_by_func(active, vpn_connection_state_changed, self);
g_signal_handlers_disconnect_by_func(active, vpn_connection_retry_after_failure, self);
g_signal_handlers_disconnect_by_func(active, active_connection_state_changed, self);
g_signal_handlers_disconnect_by_func(nm_active_connection_get_keep_alive(active),
active_connection_keep_alive_changed,
self);
}
/*****************************************************************************/
static gboolean
schedule_activate_all_cb(gpointer user_data)
{
NMPolicy * self = user_data;
NMPolicyPrivate *priv = NM_POLICY_GET_PRIVATE(self);
const CList * tmp_lst;
NMDevice * device;
priv->schedule_activate_all_id = 0;
nm_manager_for_each_device (priv->manager, device, tmp_lst)
schedule_activate_check(self, device);
return G_SOURCE_REMOVE;
}
static void
schedule_activate_all(NMPolicy *self)
{
NMPolicyPrivate *priv = NM_POLICY_GET_PRIVATE(self);
/* always restart the idle handler. That way, we settle
* all other events before restarting to activate them. */
nm_clear_g_source(&priv->schedule_activate_all_id);
priv->schedule_activate_all_id = g_idle_add(schedule_activate_all_cb, self);
}
static void
connection_added(NMSettings *settings, NMSettingsConnection *connection, gpointer user_data)
{
NMPolicyPrivate *priv = user_data;
NMPolicy * self = _PRIV_TO_SELF(priv);
schedule_activate_all(self);
}
static void
firewall_state_changed(NMFirewallManager *manager, gboolean initialized_now, gpointer user_data)
{
NMPolicy * self = (NMPolicy *) user_data;
NMPolicyPrivate *priv = NM_POLICY_GET_PRIVATE(self);
const CList * tmp_lst;
NMDevice * device;
if (initialized_now) {
/* the firewall manager was initializing, but all requests
* so fare were queued and are already sent. No need to
* re-update the firewall zone of the devices. */
return;
}
if (!nm_firewall_manager_get_running(manager))
return;
/* add interface of each device to correct zone */
nm_manager_for_each_device (priv->manager, device, tmp_lst)
nm_device_update_firewall_zone(device);
}
static void
connection_updated(NMSettings * settings,
NMSettingsConnection *connection,
guint update_reason_u,
gpointer user_data)
{
NMPolicyPrivate * priv = user_data;
NMPolicy * self = _PRIV_TO_SELF(priv);
NMSettingsConnectionUpdateReason update_reason = update_reason_u;
if (NM_FLAGS_HAS(update_reason, NM_SETTINGS_CONNECTION_UPDATE_REASON_REAPPLY_PARTIAL)) {
const CList *tmp_lst;
NMDevice * device;
/* find device with given connection */
nm_manager_for_each_device (priv->manager, device, tmp_lst) {
if (nm_device_get_settings_connection(device) == connection)
nm_device_reapply_settings_immediately(device);
}
}
schedule_activate_all(self);
}
static void
_deactivate_if_active(NMPolicy *self, NMSettingsConnection *connection)
{
NMPolicyPrivate * priv = NM_POLICY_GET_PRIVATE(self);
NMActiveConnection *ac;
const CList * tmp_list, *tmp_safe;
GError * error = NULL;
nm_assert(NM_IS_SETTINGS_CONNECTION(connection));
nm_manager_for_each_active_connection_safe (priv->manager, ac, tmp_list, tmp_safe) {
if (nm_active_connection_get_settings_connection(ac) == connection
&& (nm_active_connection_get_state(ac) <= NM_ACTIVE_CONNECTION_STATE_ACTIVATED)) {
if (!nm_manager_deactivate_connection(priv->manager,
ac,
NM_DEVICE_STATE_REASON_CONNECTION_REMOVED,
&error)) {
_LOGW(LOGD_DEVICE,
"connection '%s' disappeared, but error deactivating it: (%d) %s",
nm_settings_connection_get_id(connection),
error ? error->code : -1,
error ? error->message : "(unknown)");
g_clear_error(&error);
}
}
}
}
static void
connection_removed(NMSettings *settings, NMSettingsConnection *connection, gpointer user_data)
{
NMPolicyPrivate *priv = user_data;
NMPolicy * self = _PRIV_TO_SELF(priv);
_deactivate_if_active(self, connection);
}
static void
connection_flags_changed(NMSettings *settings, NMSettingsConnection *connection, gpointer user_data)
{
NMPolicyPrivate *priv = user_data;
NMPolicy * self = _PRIV_TO_SELF(priv);
if (NM_FLAGS_HAS(nm_settings_connection_get_flags(connection),
NM_SETTINGS_CONNECTION_INT_FLAGS_VISIBLE)) {
if (!nm_settings_connection_autoconnect_is_blocked(connection))
schedule_activate_all(self);
}
}
static void
secret_agent_registered(NMSettings *settings, NMSecretAgent *agent, gpointer user_data)
{
NMPolicy *self = NM_POLICY(user_data);
/* The registered secret agent may provide some missing secrets. Thus we
* reset retries count here and schedule activation, so that the
* connections failed due to missing secrets may re-try auto-connection.
*/
if (reset_autoconnect_all(self, NULL, TRUE))
schedule_activate_all(self);
}
NMActiveConnection *
nm_policy_get_default_ip4_ac(NMPolicy *self)
{
return NM_POLICY_GET_PRIVATE(self)->default_ac4;
}
NMActiveConnection *
nm_policy_get_default_ip6_ac(NMPolicy *self)
{
return NM_POLICY_GET_PRIVATE(self)->default_ac6;
}
NMActiveConnection *
nm_policy_get_activating_ip4_ac(NMPolicy *self)
{
return NM_POLICY_GET_PRIVATE(self)->activating_ac4;
}
NMActiveConnection *
nm_policy_get_activating_ip6_ac(NMPolicy *self)
{
return NM_POLICY_GET_PRIVATE(self)->activating_ac6;
}
/*****************************************************************************/
static NM_UTILS_LOOKUP_STR_DEFINE(_hostname_mode_to_string,
NMPolicyHostnameMode,
NM_UTILS_LOOKUP_DEFAULT_NM_ASSERT("unknown"),
NM_UTILS_LOOKUP_STR_ITEM(NM_POLICY_HOSTNAME_MODE_NONE, "none"),
NM_UTILS_LOOKUP_STR_ITEM(NM_POLICY_HOSTNAME_MODE_DHCP, "dhcp"),
NM_UTILS_LOOKUP_STR_ITEM(NM_POLICY_HOSTNAME_MODE_FULL, "full"), );
/*****************************************************************************/
static void
get_property(GObject *object, guint prop_id, GValue *value, GParamSpec *pspec)
{
NMPolicy * self = NM_POLICY(object);
NMPolicyPrivate *priv = NM_POLICY_GET_PRIVATE(self);
switch (prop_id) {
case PROP_DEFAULT_IP4_AC:
g_value_set_object(value, priv->default_ac4);
break;
case PROP_DEFAULT_IP6_AC:
g_value_set_object(value, priv->default_ac6);
break;
case PROP_ACTIVATING_IP4_AC:
g_value_set_object(value, priv->activating_ac4);
break;
case PROP_ACTIVATING_IP6_AC:
g_value_set_object(value, priv->activating_ac6);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID(object, prop_id, pspec);
break;
}
}
static void
set_property(GObject *object, guint prop_id, const GValue *value, GParamSpec *pspec)
{
NMPolicy * self = NM_POLICY(object);
NMPolicyPrivate *priv = NM_POLICY_GET_PRIVATE(self);
switch (prop_id) {
case PROP_MANAGER:
/* construct-only */
priv->manager = g_value_get_object(value);
g_return_if_fail(NM_IS_MANAGER(priv->manager));
break;
case PROP_SETTINGS:
/* construct-only */
priv->settings = g_value_dup_object(value);
g_return_if_fail(NM_IS_SETTINGS(priv->settings));
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID(object, prop_id, pspec);
break;
}
}
/*****************************************************************************/
static void
nm_policy_init(NMPolicy *self)
{
NMPolicyPrivate *priv = NM_POLICY_GET_PRIVATE(self);
gs_free char * hostname_mode = NULL;
c_list_init(&priv->pending_activation_checks);
priv->netns = g_object_ref(nm_netns_get());
priv->hostname_manager = g_object_ref(nm_hostname_manager_get());
hostname_mode =
nm_config_data_get_value(NM_CONFIG_GET_DATA_ORIG,
NM_CONFIG_KEYFILE_GROUP_MAIN,
NM_CONFIG_KEYFILE_KEY_MAIN_HOSTNAME_MODE,
NM_CONFIG_GET_VALUE_STRIP | NM_CONFIG_GET_VALUE_NO_EMPTY);
if (nm_streq0(hostname_mode, "none"))
priv->hostname_mode = NM_POLICY_HOSTNAME_MODE_NONE;
else if (nm_streq0(hostname_mode, "dhcp"))
priv->hostname_mode = NM_POLICY_HOSTNAME_MODE_DHCP;
else /* default - full mode */
priv->hostname_mode = NM_POLICY_HOSTNAME_MODE_FULL;
priv->devices = g_hash_table_new(nm_direct_hash, NULL);
priv->pending_active_connections = g_hash_table_new(nm_direct_hash, NULL);
priv->ip6_prefix_delegations = g_array_new(FALSE, FALSE, sizeof(IP6PrefixDelegation));
g_array_set_clear_func(priv->ip6_prefix_delegations, clear_ip6_prefix_delegation);
}
static void
constructed(GObject *object)
{
NMPolicy * self = NM_POLICY(object);
NMPolicyPrivate *priv = NM_POLICY_GET_PRIVATE(self);
char * hostname = NULL;
/* Grab hostname on startup and use that if nothing provides one */
if ((hostname = _get_hostname(self))) {
/* init last_hostname */
priv->last_hostname = hostname;
/* only cache it if it's a valid hostname */
if (nm_utils_is_specific_hostname(hostname))
priv->orig_hostname = g_strdup(hostname);
}
_LOGT(LOGD_DNS,
"hostname-original: set to %s%s%s",
NM_PRINT_FMT_QUOTE_STRING(priv->orig_hostname));
priv->agent_mgr = g_object_ref(nm_agent_manager_get());
priv->firewall_manager = g_object_ref(nm_firewall_manager_get());
g_signal_connect(priv->firewall_manager,
NM_FIREWALL_MANAGER_STATE_CHANGED,
G_CALLBACK(firewall_state_changed),
self);
priv->dns_manager = g_object_ref(nm_dns_manager_get());
nm_dns_manager_set_initial_hostname(priv->dns_manager, priv->orig_hostname);
g_signal_connect(priv->hostname_manager,
"notify::" NM_HOSTNAME_MANAGER_HOSTNAME,
(GCallback) hostname_changed,
priv);
g_signal_connect(priv->manager,
"notify::" NM_MANAGER_SLEEPING,
(GCallback) sleeping_changed,
priv);
g_signal_connect(priv->manager,
"notify::" NM_MANAGER_NETWORKING_ENABLED,
(GCallback) sleeping_changed,
priv);
g_signal_connect(priv->manager,
NM_MANAGER_INTERNAL_DEVICE_ADDED,
(GCallback) device_added,
priv);
g_signal_connect(priv->manager,
NM_MANAGER_INTERNAL_DEVICE_REMOVED,
(GCallback) device_removed,
priv);
g_signal_connect(priv->manager,
NM_MANAGER_ACTIVE_CONNECTION_ADDED,
(GCallback) active_connection_added,
priv);
g_signal_connect(priv->manager,
NM_MANAGER_ACTIVE_CONNECTION_REMOVED,
(GCallback) active_connection_removed,
priv);
g_signal_connect(priv->settings,
NM_SETTINGS_SIGNAL_CONNECTION_ADDED,
(GCallback) connection_added,
priv);
g_signal_connect(priv->settings,
NM_SETTINGS_SIGNAL_CONNECTION_UPDATED,
(GCallback) connection_updated,
priv);
g_signal_connect(priv->settings,
NM_SETTINGS_SIGNAL_CONNECTION_REMOVED,
(GCallback) connection_removed,
priv);
g_signal_connect(priv->settings,
NM_SETTINGS_SIGNAL_CONNECTION_FLAGS_CHANGED,
(GCallback) connection_flags_changed,
priv);
g_signal_connect(priv->agent_mgr,
NM_AGENT_MANAGER_AGENT_REGISTERED,
G_CALLBACK(secret_agent_registered),
self);
G_OBJECT_CLASS(nm_policy_parent_class)->constructed(object);
_LOGD(LOGD_DNS, "hostname-mode: %s", _hostname_mode_to_string(priv->hostname_mode));
}
NMPolicy *
nm_policy_new(NMManager *manager, NMSettings *settings)
{
g_return_val_if_fail(NM_IS_MANAGER(manager), NULL);
g_return_val_if_fail(NM_IS_SETTINGS(settings), NULL);
return g_object_new(NM_TYPE_POLICY,
NM_POLICY_MANAGER,
manager,
NM_POLICY_SETTINGS,
settings,
NULL);
}
static void
dispose(GObject *object)
{
NMPolicy * self = NM_POLICY(object);
NMPolicyPrivate *priv = NM_POLICY_GET_PRIVATE(self);
GHashTableIter h_iter;
NMDevice * device;
ActivateData * data, *data_safe;
nm_clear_g_object(&priv->default_ac4);
nm_clear_g_object(&priv->default_ac6);
nm_clear_g_object(&priv->activating_ac4);
nm_clear_g_object(&priv->activating_ac6);
nm_clear_pointer(&priv->pending_active_connections, g_hash_table_unref);
c_list_for_each_entry_safe (data, data_safe, &priv->pending_activation_checks, pending_lst)
activate_data_free(data);
g_slist_free_full(priv->pending_secondaries, (GDestroyNotify) pending_secondary_data_free);
priv->pending_secondaries = NULL;
if (priv->firewall_manager) {
g_signal_handlers_disconnect_by_func(priv->firewall_manager, firewall_state_changed, self);
g_clear_object(&priv->firewall_manager);
}
if (priv->agent_mgr) {
g_signal_handlers_disconnect_by_func(priv->agent_mgr, secret_agent_registered, self);
g_clear_object(&priv->agent_mgr);
}
g_clear_object(&priv->dns_manager);
g_hash_table_iter_init(&h_iter, priv->devices);
if (g_hash_table_iter_next(&h_iter, (gpointer *) &device, NULL)) {
g_hash_table_iter_remove(&h_iter);
devices_list_unregister(self, device);
}
/* The manager should have disposed of ActiveConnections already, which
* will have called active_connection_removed() and thus we don't need
* to clean anything up. Assert that this is TRUE.
*/
nm_assert(c_list_is_empty(nm_manager_get_active_connections(priv->manager)));
nm_clear_g_source(&priv->reset_retries_id);
nm_clear_g_source(&priv->schedule_activate_all_id);
nm_clear_g_free(&priv->orig_hostname);
nm_clear_g_free(&priv->cur_hostname);
nm_clear_g_free(&priv->last_hostname);
if (priv->hostname_manager) {
g_signal_handlers_disconnect_by_data(priv->hostname_manager, priv);
g_clear_object(&priv->hostname_manager);
}
if (priv->settings) {
g_signal_handlers_disconnect_by_data(priv->settings, priv);
g_clear_object(&priv->settings);
/* we don't clear priv->manager as we don't own a reference to it,
* that is, NMManager must outlive NMPolicy anyway.
*
* Hence, we unsubscribe the signals here together with the signals
* for settings. */
g_signal_handlers_disconnect_by_data(priv->manager, priv);
}
if (priv->ip6_prefix_delegations) {
g_array_free(priv->ip6_prefix_delegations, TRUE);
priv->ip6_prefix_delegations = NULL;
}
nm_assert(NM_IS_MANAGER(priv->manager));
G_OBJECT_CLASS(nm_policy_parent_class)->dispose(object);
}
static void
finalize(GObject *object)
{
NMPolicy * self = NM_POLICY(object);
NMPolicyPrivate *priv = NM_POLICY_GET_PRIVATE(self);
g_hash_table_unref(priv->devices);
G_OBJECT_CLASS(nm_policy_parent_class)->finalize(object);
g_object_unref(priv->netns);
}
static void
nm_policy_class_init(NMPolicyClass *policy_class)
{
GObjectClass *object_class = G_OBJECT_CLASS(policy_class);
object_class->get_property = get_property;
object_class->set_property = set_property;
object_class->constructed = constructed;
object_class->dispose = dispose;
object_class->finalize = finalize;
obj_properties[PROP_MANAGER] =
g_param_spec_object(NM_POLICY_MANAGER,
"",
"",
NM_TYPE_MANAGER,
G_PARAM_WRITABLE | G_PARAM_CONSTRUCT_ONLY | G_PARAM_STATIC_STRINGS);
obj_properties[PROP_SETTINGS] =
g_param_spec_object(NM_POLICY_SETTINGS,
"",
"",
NM_TYPE_SETTINGS,
G_PARAM_WRITABLE | G_PARAM_CONSTRUCT_ONLY | G_PARAM_STATIC_STRINGS);
obj_properties[PROP_DEFAULT_IP4_AC] =
g_param_spec_object(NM_POLICY_DEFAULT_IP4_AC,
"",
"",
NM_TYPE_ACTIVE_CONNECTION,
G_PARAM_READABLE | G_PARAM_STATIC_STRINGS);
obj_properties[PROP_DEFAULT_IP6_AC] =
g_param_spec_object(NM_POLICY_DEFAULT_IP6_AC,
"",
"",
NM_TYPE_DEVICE,
G_PARAM_READABLE | G_PARAM_STATIC_STRINGS);
obj_properties[PROP_ACTIVATING_IP4_AC] =
g_param_spec_object(NM_POLICY_ACTIVATING_IP4_AC,
"",
"",
NM_TYPE_DEVICE,
G_PARAM_READABLE | G_PARAM_STATIC_STRINGS);
obj_properties[PROP_ACTIVATING_IP6_AC] =
g_param_spec_object(NM_POLICY_ACTIVATING_IP6_AC,
"",
"",
NM_TYPE_DEVICE,
G_PARAM_READABLE | G_PARAM_STATIC_STRINGS);
g_object_class_install_properties(object_class, _PROPERTY_ENUMS_LAST, obj_properties);
}
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