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NetworkManager/src/platform/nm-platform.c
Thomas Haller ba187e054d core: refactor functions to use NM_UTILS_LOOKUP*() 
Also use NM_UTILS_LOOKUP_STR() macro, which can transform
unknown values to their numerical representation using
alloca().
2016-01-24 15:04:36 +01:00

4159 lines
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/* -*- Mode: C; tab-width: 4; indent-tabs-mode: t; c-basic-offset: 4 -*- */
/* nm-platform.c - Handle runtime kernel networking configuration
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2, or (at your option)
* any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Copyright (C) 2012 Red Hat, Inc.
*/
#include "config.h"
#include <stdlib.h>
#include <errno.h>
#include <unistd.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include <string.h>
#include <netlink/route/addr.h>
#include <netlink/route/rtnl.h>
#include <linux/ip.h>
#include <linux/if_tun.h>
#include <linux/if_tunnel.h>
#include "NetworkManagerUtils.h"
#include "nm-utils.h"
#include "nm-platform.h"
#include "nm-platform-utils.h"
#include "nmp-object.h"
#include "NetworkManagerUtils.h"
#include "nm-default.h"
#include "nm-enum-types.h"
#include "nm-core-internal.h"
#define ADDRESS_LIFETIME_PADDING 5
G_STATIC_ASSERT (sizeof ( ((NMPlatformLink *) NULL)->addr.data ) == NM_UTILS_HWADDR_LEN_MAX);
G_STATIC_ASSERT (G_STRUCT_OFFSET (NMPlatformIPAddress, address_ptr) == G_STRUCT_OFFSET (NMPlatformIP4Address, address));
G_STATIC_ASSERT (G_STRUCT_OFFSET (NMPlatformIPAddress, address_ptr) == G_STRUCT_OFFSET (NMPlatformIP6Address, address));
G_STATIC_ASSERT (G_STRUCT_OFFSET (NMPlatformIPRoute, network_ptr) == G_STRUCT_OFFSET (NMPlatformIP4Route, network));
G_STATIC_ASSERT (G_STRUCT_OFFSET (NMPlatformIPRoute, network_ptr) == G_STRUCT_OFFSET (NMPlatformIP6Route, network));
#define _NMLOG_DOMAIN LOGD_PLATFORM
#define _NMLOG_PREFIX_NAME "platform"
#define _NMLOG(level, ...) \
G_STMT_START { \
const NMLogLevel __level = (level); \
\
if (nm_logging_enabled (__level, _NMLOG_DOMAIN)) { \
char __prefix[32]; \
const char *__p_prefix = _NMLOG_PREFIX_NAME; \
const void *const __self = (self); \
\
if (__self && __self != nm_platform_try_get ()) { \
g_snprintf (__prefix, sizeof (__prefix), "%s[%p]", _NMLOG_PREFIX_NAME, __self); \
__p_prefix = __prefix; \
} \
_nm_log (__level, _NMLOG_DOMAIN, 0, \
"%s: " _NM_UTILS_MACRO_FIRST (__VA_ARGS__), \
__p_prefix _NM_UTILS_MACRO_REST (__VA_ARGS__)); \
} \
} G_STMT_END
#define LOG_FMT_IP_TUNNEL "adding %s '%s' parent %u local %s remote %s"
/*****************************************************************************/
#define NM_PLATFORM_GET_PRIVATE(o) (G_TYPE_INSTANCE_GET_PRIVATE ((o), NM_TYPE_PLATFORM, NMPlatformPrivate))
G_DEFINE_TYPE (NMPlatform, nm_platform, G_TYPE_OBJECT)
static guint signals[_NM_PLATFORM_SIGNAL_ID_LAST] = { 0 };
enum {
PROP_0,
PROP_REGISTER_SINGLETON,
LAST_PROP,
};
typedef struct {
gboolean register_singleton;
} NMPlatformPrivate;
/******************************************************************/
guint
_nm_platform_signal_id_get (NMPlatformSignalIdType signal_type)
{
nm_assert ( signal_type > 0
&& signal_type != NM_PLATFORM_SIGNAL_ID_NONE
&& signal_type < _NM_PLATFORM_SIGNAL_ID_LAST);
return signals[signal_type];
}
/******************************************************************/
/* Singleton NMPlatform subclass instance and cached class object */
NM_DEFINE_SINGLETON_INSTANCE (NMPlatform);
NM_DEFINE_SINGLETON_REGISTER (NMPlatform);
/* Just always initialize a @klass instance. NM_PLATFORM_GET_CLASS()
* is only a plain read on the self instance, which the compiler
* like can optimize out.
*/
#define _CHECK_SELF_VOID(self, klass) \
NMPlatformClass *klass; \
do { \
g_return_if_fail (NM_IS_PLATFORM (self)); \
klass = NM_PLATFORM_GET_CLASS (self); \
(void) klass; \
} while (0)
#define _CHECK_SELF(self, klass, err_val) \
NMPlatformClass *klass; \
do { \
g_return_val_if_fail (NM_IS_PLATFORM (self), err_val); \
klass = NM_PLATFORM_GET_CLASS (self); \
(void) klass; \
} while (0)
/**
* nm_platform_setup:
* @instance: the #NMPlatform instance
*
* Failing to set up #NMPlatform singleton results in a fatal error,
* as well as trying to initialize it multiple times without freeing
* it.
*
* NetworkManager will typically use only one platform object during
* its run. Test programs might want to switch platform implementations,
* though.
*/
void
nm_platform_setup (NMPlatform *instance)
{
g_return_if_fail (NM_IS_PLATFORM (instance));
g_return_if_fail (!singleton_instance);
singleton_instance = instance;
nm_singleton_instance_register ();
nm_log_dbg (LOGD_CORE, "setup %s singleton (%p, %s)", "NMPlatform", singleton_instance, G_OBJECT_TYPE_NAME (instance));
}
/**
* nm_platform_get:
* @self: platform instance
*
* Retrieve #NMPlatform singleton. Use this whenever you want to connect to
* #NMPlatform signals. It is an error to call it before nm_platform_setup().
*
* Returns: (transfer none): The #NMPlatform singleton reference.
*/
NMPlatform *
nm_platform_get ()
{
g_assert (singleton_instance);
return singleton_instance;
}
NMPlatform *
nm_platform_try_get (void)
{
return singleton_instance;
}
/******************************************************************/
/**
* _nm_platform_error_to_string:
* @error_code: the error code to stringify.
*
* Returns: A string representation of the error.
* For negative numbers, this function interprets
* the code as -errno.
* For invalid (positive) numbers it returns NULL.
*/
NM_UTILS_LOOKUP_STR_DEFINE (_nm_platform_error_to_string, NMPlatformError,
( val < 0 ? g_strerror (- ((int) val)) : NULL ),
NM_UTILS_LOOKUP_STR_ITEM (NM_PLATFORM_ERROR_SUCCESS, "success"),
NM_UTILS_LOOKUP_STR_ITEM (NM_PLATFORM_ERROR_BUG, "bug"),
NM_UTILS_LOOKUP_STR_ITEM (NM_PLATFORM_ERROR_UNSPECIFIED, "unspecified"),
NM_UTILS_LOOKUP_STR_ITEM (NM_PLATFORM_ERROR_NOT_FOUND, "not-found"),
NM_UTILS_LOOKUP_STR_ITEM (NM_PLATFORM_ERROR_EXISTS, "exists"),
NM_UTILS_LOOKUP_STR_ITEM (NM_PLATFORM_ERROR_WRONG_TYPE, "wrong-type"),
NM_UTILS_LOOKUP_STR_ITEM (NM_PLATFORM_ERROR_NOT_SLAVE, "not-slave"),
NM_UTILS_LOOKUP_STR_ITEM (NM_PLATFORM_ERROR_NO_FIRMWARE, "no-firmware"),
);
/******************************************************************/
gboolean
nm_platform_check_support_kernel_extended_ifa_flags (NMPlatform *self)
{
_CHECK_SELF (self, klass, FALSE);
if (!klass->check_support_kernel_extended_ifa_flags)
return FALSE;
return klass->check_support_kernel_extended_ifa_flags (self);
}
gboolean
nm_platform_check_support_user_ipv6ll (NMPlatform *self)
{
static int supported = -1;
_CHECK_SELF (self, klass, FALSE);
if (!klass->check_support_user_ipv6ll)
return FALSE;
if (supported < 0)
supported = klass->check_support_user_ipv6ll (self) ? 1 : 0;
return !!supported;
}
/**
* nm_platform_process_events:
* @self: platform instance
*
* Process pending events or handle pending delayed-actions.
* Effectively, this reads the netlink socket and processes
* new netlink messages. Possibly it will raise change signals.
*/
void
nm_platform_process_events (NMPlatform *self)
{
_CHECK_SELF_VOID (self, klass);
if (klass->process_events)
klass->process_events (self);
}
/******************************************************************/
/**
* nm_platform_sysctl_set:
* @self: platform instance
* @path: Absolute option path
* @value: Value to write
*
* This function is intended to be used for writing values to sysctl-style
* virtual runtime configuration files. This includes not only /proc/sys
* but also for example /sys/class.
*
* Returns: %TRUE on success.
*/
gboolean
nm_platform_sysctl_set (NMPlatform *self, const char *path, const char *value)
{
_CHECK_SELF (self, klass, FALSE);
g_return_val_if_fail (path, FALSE);
g_return_val_if_fail (value, FALSE);
return klass->sysctl_set (self, path, value);
}
gboolean
nm_platform_sysctl_set_ip6_hop_limit_safe (NMPlatform *self, const char *iface, int value)
{
const char *path;
gint64 cur;
_CHECK_SELF (self, klass, FALSE);
/* the hop-limit provided via RA is uint8. */
if (value > 0xFF)
return FALSE;
/* don't allow unreasonable small values */
if (value < 10)
return FALSE;
path = nm_utils_ip6_property_path (iface, "hop_limit");
cur = nm_platform_sysctl_get_int_checked (self, path, 10, 1, G_MAXINT32, -1);
/* only allow increasing the hop-limit to avoid DOS by an attacker
* setting a low hop-limit (CVE-2015-2924, rh#1209902) */
if (value < cur)
return FALSE;
if (value != cur) {
char svalue[20];
sprintf (svalue, "%d", value);
nm_platform_sysctl_set (self, path, svalue);
}
return TRUE;
}
/**
* nm_platform_sysctl_get:
* @self: platform instance
* @path: Absolute path to sysctl
*
* Returns: (transfer full): Contents of the virtual sysctl file.
*/
char *
nm_platform_sysctl_get (NMPlatform *self, const char *path)
{
_CHECK_SELF (self, klass, NULL);
g_return_val_if_fail (path, NULL);
return klass->sysctl_get (self, path);
}
/**
* nm_platform_sysctl_get_int32:
* @self: platform instance
* @path: Absolute path to sysctl
* @fallback: default value, if the content of path could not be read
* as decimal integer.
*
* Returns: contents of the sysctl file parsed as s32 integer, or
* @fallback on error. On error, %errno will be set to a non-zero
* value, on success %errno will be set to zero.
*/
gint32
nm_platform_sysctl_get_int32 (NMPlatform *self, const char *path, gint32 fallback)
{
return nm_platform_sysctl_get_int_checked (self, path, 10, G_MININT32, G_MAXINT32, fallback);
}
/**
* nm_platform_sysctl_get_int_checked:
* @self: platform instance
* @path: Absolute path to sysctl
* @base: base of numeric conversion
* @min: minimal value that is still valid
* @max: maximal value that is still valid
* @fallback: default value, if the content of path could not be read
* as valid integer.
*
* Returns: contents of the sysctl file parsed as s64 integer, or
* @fallback on error. On error, %errno will be set to a non-zero
* value. On success, %errno will be set to zero. The returned value
* will always be in the range between @min and @max
* (inclusive) or @fallback.
*/
gint64
nm_platform_sysctl_get_int_checked (NMPlatform *self, const char *path, guint base, gint64 min, gint64 max, gint64 fallback)
{
char *value = NULL;
gint32 ret;
_CHECK_SELF (self, klass, fallback);
g_return_val_if_fail (path, fallback);
if (path)
value = nm_platform_sysctl_get (self, path);
if (!value) {
errno = EINVAL;
return fallback;
}
ret = _nm_utils_ascii_str_to_int64 (value, base, min, max, fallback);
g_free (value);
return ret;
}
/******************************************************************/
/**
* nm_platform_link_get_all:
* self: platform instance
*
* Retrieve a snapshot of configuration for all links at once. The result is
* owned by the caller and should be freed with g_array_unref().
*/
GArray *
nm_platform_link_get_all (NMPlatform *self)
{
GArray *links, *result;
guint i, j, nresult;
GHashTable *unseen;
NMPlatformLink *item;
_CHECK_SELF (self, klass, NULL);
links = klass->link_get_all (self);
if (!links || links->len == 0)
return links;
unseen = g_hash_table_new (g_direct_hash, g_direct_equal);
for (i = 0; i < links->len; i++) {
item = &g_array_index (links, NMPlatformLink, i);
_LOGt ("link-get: %3d: %s", i, nm_platform_link_to_string (item, NULL, 0));
nm_assert (item->ifindex > 0 && !g_hash_table_contains (unseen, GINT_TO_POINTER (item->ifindex)));
g_hash_table_insert (unseen, GINT_TO_POINTER (item->ifindex), NULL);
}
#ifndef G_DISABLE_ASSERT
/* Ensure that link_get_all returns a consistent and valid result. */
for (i = 0; i < links->len; i++) {
item = &g_array_index (links, NMPlatformLink, i);
if (!item->ifindex)
continue;
if (item->master != 0) {
g_warn_if_fail (item->master > 0);
g_warn_if_fail (item->master != item->ifindex);
g_warn_if_fail (g_hash_table_contains (unseen, GINT_TO_POINTER (item->master)));
}
if (item->parent != 0) {
if (item->parent != NM_PLATFORM_LINK_OTHER_NETNS) {
g_warn_if_fail (item->parent > 0);
g_warn_if_fail (item->parent != item->ifindex);
g_warn_if_fail (g_hash_table_contains (unseen, GINT_TO_POINTER (item->parent)));
}
}
}
#endif
/* Re-order the links list such that children/slaves come after all ancestors */
nresult = g_hash_table_size (unseen);
result = g_array_sized_new (TRUE, TRUE, sizeof (NMPlatformLink), nresult);
g_array_set_size (result, nresult);
j = 0;
do {
gboolean found_something = FALSE;
guint first_idx = G_MAXUINT;
for (i = 0; i < links->len; i++) {
item = &g_array_index (links, NMPlatformLink, i);
if (!item->ifindex)
continue;
if (first_idx == G_MAXUINT)
first_idx = i;
g_assert (g_hash_table_contains (unseen, GINT_TO_POINTER (item->ifindex)));
if (item->master > 0 && g_hash_table_contains (unseen, GINT_TO_POINTER (item->master)))
continue;
if (item->parent > 0 && g_hash_table_contains (unseen, GINT_TO_POINTER (item->parent)))
continue;
_LOGt ("link-get: add %3d -> %3d: %s", i, j, nm_platform_link_to_string (item, NULL, 0));
g_hash_table_remove (unseen, GINT_TO_POINTER (item->ifindex));
g_array_index (result, NMPlatformLink, j++) = *item;
item->ifindex = 0;
found_something = TRUE;
}
if (!found_something) {
/* There is a loop, pop the first (remaining) element from the list.
* This can happen for veth pairs where each peer is parent of the other end. */
item = &g_array_index (links, NMPlatformLink, first_idx);
_LOGt ("link-get: add (loop) %3d -> %3d: %s", first_idx, j, nm_platform_link_to_string (item, NULL, 0));
g_hash_table_remove (unseen, GINT_TO_POINTER (item->ifindex));
g_array_index (result, NMPlatformLink, j++) = *item;
item->ifindex = 0;
}
} while (j < nresult);
g_hash_table_destroy (unseen);
g_array_free (links, TRUE);
return result;
}
/**
* nm_platform_link_get:
* @self: platform instance
* @ifindex: ifindex of the link
*
* Lookup the internal NMPlatformLink object.
*
* Returns: %NULL, if such a link exists or the internal
* platform link object. Do not modify the returned value.
* Also, be aware that any subsequent platform call might
* invalidated/modify the returned instance.
**/
const NMPlatformLink *
nm_platform_link_get (NMPlatform *self, int ifindex)
{
_CHECK_SELF (self, klass, NULL);
if (ifindex > 0)
return klass->link_get (self, ifindex);
return NULL;
}
/**
* nm_platform_link_get_by_ifname:
* @self: platform instance
* @ifname: the ifname
*
* Returns: the first #NMPlatformLink instance with the given name.
**/
const NMPlatformLink *
nm_platform_link_get_by_ifname (NMPlatform *self, const char *ifname)
{
_CHECK_SELF (self, klass, NULL);
if (ifname && *ifname)
return klass->link_get_by_ifname (self, ifname);
return NULL;
}
/**
* nm_platform_link_get_by_address:
* @self: platform instance
* @address: a pointer to the binary hardware address
* @length: the size of @address in bytes
*
* Returns: the first #NMPlatformLink object with a matching
* address.
**/
const NMPlatformLink *
nm_platform_link_get_by_address (NMPlatform *self,
gconstpointer address,
size_t length)
{
_CHECK_SELF (self, klass, NULL);
g_return_val_if_fail (length == 0 || address, NULL);
if (length > 0) {
if (length > NM_UTILS_HWADDR_LEN_MAX)
g_return_val_if_reached (NULL);
return klass->link_get_by_address (self, address, length);
}
return NULL;
}
static NMPlatformError
_link_add_check_existing (NMPlatform *self, const char *name, NMLinkType type, const NMPlatformLink **out_link)
{
const NMPlatformLink *pllink;
pllink = nm_platform_link_get_by_ifname (self, name);
if (pllink) {
gboolean wrong_type;
wrong_type = type != NM_LINK_TYPE_NONE && pllink->type != type;
_LOGD ("link: skip adding link due to existing interface '%s' of type %s%s%s",
name,
nm_link_type_to_string (pllink->type),
wrong_type ? ", expected " : "",
wrong_type ? nm_link_type_to_string (type) : "");
if (out_link)
*out_link = pllink;
if (wrong_type)
return NM_PLATFORM_ERROR_WRONG_TYPE;
return NM_PLATFORM_ERROR_EXISTS;
}
if (out_link)
*out_link = NULL;
return NM_PLATFORM_ERROR_SUCCESS;
}
/**
* nm_platform_link_add:
* @self: platform instance
* @name: Interface name
* @type: Interface type
* @address: (allow-none): set the mac address of the link
* @address_len: the length of the @address
* @out_link: on success, the link object
*
* Add a software interface. If the interface already exists and is of type
* @type, return NM_PLATFORM_ERROR_EXISTS and returns the link
* in @out_link. If the interface already exists and is not of type @type,
* return NM_PLATFORM_ERROR_WRONG_TYPE.
*
* Any link-changed ADDED signal will be emitted directly, before this
* function finishes.
*
* Returns: the error reason or NM_PLATFORM_ERROR_SUCCESS.
*/
static NMPlatformError
nm_platform_link_add (NMPlatform *self,
const char *name,
NMLinkType type,
const void *address,
size_t address_len,
const NMPlatformLink **out_link)
{
NMPlatformError plerr;
_CHECK_SELF (self, klass, NM_PLATFORM_ERROR_BUG);
g_return_val_if_fail (name, NM_PLATFORM_ERROR_BUG);
g_return_val_if_fail ( (address != NULL) ^ (address_len == 0) , NM_PLATFORM_ERROR_BUG);
plerr = _link_add_check_existing (self, name, type, out_link);
if (plerr != NM_PLATFORM_ERROR_SUCCESS)
return plerr;
_LOGD ("link: adding %s '%s'", nm_link_type_to_string (type), name);
if (!klass->link_add (self, name, type, address, address_len, out_link))
return NM_PLATFORM_ERROR_UNSPECIFIED;
return NM_PLATFORM_ERROR_SUCCESS;
}
/**
* nm_platform_link_dummy_add:
* @self: platform instance
* @name: New interface name
* @out_link: on success, the link object
*
* Create a software ethernet-like interface
*/
NMPlatformError
nm_platform_link_dummy_add (NMPlatform *self,
const char *name,
const NMPlatformLink **out_link)
{
return nm_platform_link_add (self, name, NM_LINK_TYPE_DUMMY, NULL, 0, out_link);
}
/**
* nm_platform_link_delete:
* @self: platform instance
* @ifindex: Interface index
*/
gboolean
nm_platform_link_delete (NMPlatform *self, int ifindex)
{
const NMPlatformLink *pllink;
_CHECK_SELF (self, klass, FALSE);
pllink = nm_platform_link_get (self, ifindex);
if (!pllink)
return FALSE;
_LOGD ("link: deleting '%s' (%d)", pllink->name, ifindex);
return klass->link_delete (self, ifindex);
}
/**
* nm_platform_link_get_index:
* @self: platform instance
* @name: Interface name
*
* Returns: The interface index corresponding to the given interface name
* or 0. Inteface name is owned by #NMPlatform, don't free it.
*/
int
nm_platform_link_get_ifindex (NMPlatform *self, const char *name)
{
const NMPlatformLink *pllink;
pllink = nm_platform_link_get_by_ifname (self, name);
return pllink ? pllink->ifindex : 0;
}
/**
* nm_platform_link_get_name:
* @self: platform instance
* @name: Interface name
*
* Returns: The interface name corresponding to the given interface index
* or %NULL.
*/
const char *
nm_platform_link_get_name (NMPlatform *self, int ifindex)
{
const NMPlatformLink *pllink;
_CHECK_SELF (self, klass, NULL);
pllink = nm_platform_link_get (self, ifindex);
return pllink ? pllink->name : NULL;
}
/**
* nm_platform_link_get_type:
* @self: platform instance
* @ifindex: Interface index.
*
* Returns: Link type constant as defined in nm-platform.h. On error,
* NM_LINK_TYPE_NONE is returned.
*/
NMLinkType
nm_platform_link_get_type (NMPlatform *self, int ifindex)
{
const NMPlatformLink *pllink;
_CHECK_SELF (self, klass, NM_LINK_TYPE_NONE);
pllink = nm_platform_link_get (self, ifindex);
return pllink ? pllink->type : NM_LINK_TYPE_NONE;
}
/**
* nm_platform_link_get_type_name:
* @self: platform instance
* @ifindex: Interface index.
*
* Returns: A string describing the type of link. In some cases this
* may be more specific than nm_platform_link_get_type(), but in
* other cases it may not. On error, %NULL is returned.
*/
const char *
nm_platform_link_get_type_name (NMPlatform *self, int ifindex)
{
_CHECK_SELF (self, klass, NULL);
return klass->link_get_type_name (self, ifindex);
}
/**
* nm_platform_link_get_unmanaged:
* @self: platform instance
* @ifindex: interface index
* @unmanaged: management status (in case %TRUE is returned)
*
* Returns: %TRUE if platform overrides NM default-unmanaged status,
* %FALSE otherwise (with @unmanaged unmodified).
*/
gboolean
nm_platform_link_get_unmanaged (NMPlatform *self, int ifindex, gboolean *unmanaged)
{
_CHECK_SELF (self, klass, FALSE);
if (klass->link_get_unmanaged)
return klass->link_get_unmanaged (self, ifindex, unmanaged);
return FALSE;
}
/**
* nm_platform_link_is_software:
* @self: platform instance
* @ifindex: Interface index.
*
* Returns: %TRUE if ifindex belongs to a software interface, not backed by
* a physical device.
*/
gboolean
nm_platform_link_is_software (NMPlatform *self, int ifindex)
{
return (nm_platform_link_get_type (self, ifindex) & 0x10000);
}
/**
* nm_platform_link_supports_slaves:
* @self: platform instance
* @ifindex: Interface index.
*
* Returns: %TRUE if ifindex belongs to an interface capable of enslaving
* other interfaces.
*/
gboolean
nm_platform_link_supports_slaves (NMPlatform *self, int ifindex)
{
return (nm_platform_link_get_type (self, ifindex) & 0x20000);
}
/**
* nm_platform_link_refresh:
* @self: platform instance
* @ifindex: Interface index
*
* Reload the cache for ifindex synchronously.
*/
gboolean
nm_platform_link_refresh (NMPlatform *self, int ifindex)
{
_CHECK_SELF (self, klass, FALSE);
g_return_val_if_fail (ifindex > 0, FALSE);
if (klass->link_refresh)
return klass->link_refresh (self, ifindex);
return TRUE;
}
static guint32
_link_get_flags (NMPlatform *self, int ifindex)
{
const NMPlatformLink *pllink;
pllink = nm_platform_link_get (self, ifindex);
return pllink ? pllink->flags : IFF_NOARP;
}
/**
* nm_platform_link_is_up:
* @self: platform instance
* @ifindex: Interface index
*
* Check if the interface is up.
*/
gboolean
nm_platform_link_is_up (NMPlatform *self, int ifindex)
{
_CHECK_SELF (self, klass, FALSE);
return NM_FLAGS_HAS (_link_get_flags (self, ifindex), IFF_UP);
}
/**
* nm_platform_link_is_connected:
* @self: platform instance
* @ifindex: Interface index
*
* Check if the interface is connected.
*/
gboolean
nm_platform_link_is_connected (NMPlatform *self, int ifindex)
{
const NMPlatformLink *pllink;
_CHECK_SELF (self, klass, FALSE);
pllink = nm_platform_link_get (self, ifindex);
return pllink ? pllink->connected : FALSE;
}
/**
* nm_platform_link_uses_arp:
* @self: platform instance
* @ifindex: Interface index
*
* Check if the interface is configured to use ARP.
*/
gboolean
nm_platform_link_uses_arp (NMPlatform *self, int ifindex)
{
_CHECK_SELF (self, klass, FALSE);
return !NM_FLAGS_HAS (_link_get_flags (self, ifindex), IFF_NOARP);
}
/**
* nm_platform_link_get_ipv6_token:
* @self: platform instance
* @ifindex: Interface index
* @iid: Tokenized interface identifier
*
* Returns IPv6 tokenized interface identifier. If the platform or OS doesn't
* support IPv6 tokenized interface identifiers, or the token is not set
* this call will fail and return %FALSE.
*
* Returns: %TRUE a tokenized identifier was available
*/
gboolean
nm_platform_link_get_ipv6_token (NMPlatform *self, int ifindex, NMUtilsIPv6IfaceId *iid)
{
const NMPlatformLink *pllink;
_CHECK_SELF (self, klass, FALSE);
g_return_val_if_fail (ifindex >= 0, FALSE);
g_return_val_if_fail (iid, FALSE);
pllink = nm_platform_link_get (self, ifindex);
if (pllink && pllink->inet6_token.is_valid) {
*iid = pllink->inet6_token.iid;
return TRUE;
}
return FALSE;
}
const char *
nm_platform_link_get_udi (NMPlatform *self, int ifindex)
{
_CHECK_SELF (self, klass, FALSE);
g_return_val_if_fail (ifindex >= 0, NULL);
if (klass->link_get_udi)
return klass->link_get_udi (self, ifindex);
return NULL;
}
GObject *
nm_platform_link_get_udev_device (NMPlatform *self, int ifindex)
{
_CHECK_SELF (self, klass, FALSE);
g_return_val_if_fail (ifindex >= 0, NULL);
if (klass->link_get_udev_device)
return klass->link_get_udev_device (self, ifindex);
return NULL;
}
/**
* nm_platform_link_get_user_ip6vll_enabled:
* @self: platform instance
* @ifindex: Interface index
*
* Check whether NM handles IPv6LL address creation for the link. If the
* platform or OS doesn't support changing the IPv6LL address mode, this call
* will fail and return %FALSE.
*
* Returns: %TRUE if NM handles the IPv6LL address for @ifindex
*/
gboolean
nm_platform_link_get_user_ipv6ll_enabled (NMPlatform *self, int ifindex)
{
const NMPlatformLink *pllink;
_CHECK_SELF (self, klass, FALSE);
g_return_val_if_fail (ifindex >= 0, FALSE);
pllink = nm_platform_link_get (self, ifindex);
if (pllink && pllink->inet6_addr_gen_mode_inv)
return _nm_platform_uint8_inv (pllink->inet6_addr_gen_mode_inv) == NM_IN6_ADDR_GEN_MODE_NONE;
return FALSE;
}
/**
* nm_platform_link_set_user_ip6vll_enabled:
* @self: platform instance
* @ifindex: Interface index
*
* Set whether NM handles IPv6LL address creation for the link. If the
* platform or OS doesn't support changing the IPv6LL address mode, this call
* will fail and return %FALSE.
*
* Returns: %TRUE if the operation was successful, %FALSE if it failed.
*/
gboolean
nm_platform_link_set_user_ipv6ll_enabled (NMPlatform *self, int ifindex, gboolean enabled)
{
_CHECK_SELF (self, klass, FALSE);
g_return_val_if_fail (ifindex >= 0, FALSE);
if (klass->link_set_user_ipv6ll_enabled)
return klass->link_set_user_ipv6ll_enabled (self, ifindex, enabled);
return FALSE;
}
/**
* nm_platform_link_set_address:
* @self: platform instance
* @ifindex: Interface index
* @address: The new MAC address
*
* Set interface MAC address.
*/
gboolean
nm_platform_link_set_address (NMPlatform *self, int ifindex, gconstpointer address, size_t length)
{
_CHECK_SELF (self, klass, FALSE);
g_return_val_if_fail (ifindex > 0, FALSE);
g_return_val_if_fail (address, FALSE);
g_return_val_if_fail (length > 0, FALSE);
_LOGD ("link: setting '%s' (%d) hardware address", nm_platform_link_get_name (self, ifindex), ifindex);
return klass->link_set_address (self, ifindex, address, length);
}
/**
* nm_platform_link_get_address:
* @self: platform instance
* @ifindex: Interface index
* @length: Pointer to a variable to store address length
*
* Returns: the interface hardware address as an array of bytes of
* length @length.
*/
gconstpointer
nm_platform_link_get_address (NMPlatform *self, int ifindex, size_t *length)
{
const NMPlatformLink *pllink;
gconstpointer a = NULL;
guint8 l = 0;
_CHECK_SELF (self, klass, NULL);
if (length)
*length = 0;
g_return_val_if_fail (ifindex > 0, NULL);
pllink = nm_platform_link_get (self, ifindex);
if (pllink && pllink->addr.len > 0) {
if (pllink->addr.len > NM_UTILS_HWADDR_LEN_MAX) {
if (length)
*length = 0;
g_return_val_if_reached (NULL);
}
a = pllink->addr.data;
l = pllink->addr.len;
}
if (length)
*length = l;
return a;
}
/**
* nm_platform_link_get_permanent_address:
* @self: platform instance
* @ifindex: Interface index
* @buf: buffer of at least %NM_UTILS_HWADDR_LEN_MAX bytes, on success
* the permanent hardware address
* @length: Pointer to a variable to store address length
*
* Returns: %TRUE on success, %FALSE on failure to read the permanent hardware
* address.
*/
gboolean
nm_platform_link_get_permanent_address (NMPlatform *self, int ifindex, guint8 *buf, size_t *length)
{
_CHECK_SELF (self, klass, FALSE);
if (length)
*length = 0;
g_return_val_if_fail (ifindex > 0, FALSE);
g_return_val_if_fail (buf, FALSE);
g_return_val_if_fail (length, FALSE);
if (klass->link_get_permanent_address)
return klass->link_get_permanent_address (self, ifindex, buf, length);
return FALSE;
}
gboolean
nm_platform_link_supports_carrier_detect (NMPlatform *self, int ifindex)
{
_CHECK_SELF (self, klass, FALSE);
g_return_val_if_fail (ifindex >= 0, FALSE);
return klass->link_supports_carrier_detect (self, ifindex);
}
gboolean
nm_platform_link_supports_vlans (NMPlatform *self, int ifindex)
{
_CHECK_SELF (self, klass, FALSE);
g_return_val_if_fail (ifindex >= 0, FALSE);
return klass->link_supports_vlans (self, ifindex);
}
/**
* nm_platform_link_set_up:
* @self: platform instance
* @ifindex: Interface index
* @out_no_firmware: (allow-none): if the failure reason is due to missing firmware.
*
* Bring the interface up.
*/
gboolean
nm_platform_link_set_up (NMPlatform *self, int ifindex, gboolean *out_no_firmware)
{
_CHECK_SELF (self, klass, FALSE);
g_return_val_if_fail (ifindex > 0, FALSE);
_LOGD ("link: setting up '%s' (%d)", nm_platform_link_get_name (self, ifindex), ifindex);
return klass->link_set_up (self, ifindex, out_no_firmware);
}
/**
* nm_platform_link_set_down:
* @self: platform instance
* @ifindex: Interface index
*
* Take the interface down.
*/
gboolean
nm_platform_link_set_down (NMPlatform *self, int ifindex)
{
_CHECK_SELF (self, klass, FALSE);
g_return_val_if_fail (ifindex > 0, FALSE);
_LOGD ("link: setting down '%s' (%d)", nm_platform_link_get_name (self, ifindex), ifindex);
return klass->link_set_down (self, ifindex);
}
/**
* nm_platform_link_set_arp:
* @self: platform instance
* @ifindex: Interface index
*
* Enable ARP on the interface.
*/
gboolean
nm_platform_link_set_arp (NMPlatform *self, int ifindex)
{
_CHECK_SELF (self, klass, FALSE);
g_return_val_if_fail (ifindex >= 0, FALSE);
_LOGD ("link: setting arp '%s' (%d)", nm_platform_link_get_name (self, ifindex), ifindex);
return klass->link_set_arp (self, ifindex);
}
/**
* nm_platform_link_set_noarp:
* @self: platform instance
* @ifindex: Interface index
*
* Disable ARP on the interface.
*/
gboolean
nm_platform_link_set_noarp (NMPlatform *self, int ifindex)
{
_CHECK_SELF (self, klass, FALSE);
g_return_val_if_fail (ifindex >= 0, FALSE);
_LOGD ("link: setting noarp '%s' (%d)", nm_platform_link_get_name (self, ifindex), ifindex);
return klass->link_set_noarp (self, ifindex);
}
/**
* nm_platform_link_set_mtu:
* @self: platform instance
* @ifindex: Interface index
* @mtu: The new MTU value
*
* Set interface MTU.
*/
gboolean
nm_platform_link_set_mtu (NMPlatform *self, int ifindex, guint32 mtu)
{
_CHECK_SELF (self, klass, FALSE);
g_return_val_if_fail (ifindex >= 0, FALSE);
g_return_val_if_fail (mtu > 0, FALSE);
_LOGD ("link: setting '%s' (%d) mtu %"G_GUINT32_FORMAT, nm_platform_link_get_name (self, ifindex), ifindex, mtu);
return klass->link_set_mtu (self, ifindex, mtu);
}
/**
* nm_platform_link_get_mtu:
* @self: platform instance
* @ifindex: Interface index
*
* Returns: MTU value for the interface or 0 on error.
*/
guint32
nm_platform_link_get_mtu (NMPlatform *self, int ifindex)
{
const NMPlatformLink *pllink;
_CHECK_SELF (self, klass, 0);
pllink = nm_platform_link_get (self, ifindex);
return pllink ? pllink->mtu : 0;
}
/**
* nm_platform_link_get_physical_port_id:
* @self: platform instance
* @ifindex: Interface index
*
* The physical port ID, if present, indicates some unique identifier of
* the parent interface (eg, the physical port of which this link is a child).
* Two links that report the same physical port ID can be assumed to be
* children of the same physical port and may share resources that limit
* their abilities.
*
* Returns: physical port ID for the interface, or %NULL on error
* or if the interface has no physical port ID.
*/
char *
nm_platform_link_get_physical_port_id (NMPlatform *self, int ifindex)
{
_CHECK_SELF (self, klass, NULL);
g_return_val_if_fail (ifindex >= 0, NULL);
if (klass->link_get_physical_port_id)
return klass->link_get_physical_port_id (self, ifindex);
return NULL;
}
/**
* nm_platform_link_get_dev_id:
* @self: platform instance
* @ifindex: Interface index
*
* In contrast to the physical device ID (which indicates which parent a
* child has) the device ID differentiates sibling devices that may share
* the same MAC address.
*
* Returns: device ID for the interface, or 0 on error or if the
* interface has no device ID.
*/
guint
nm_platform_link_get_dev_id (NMPlatform *self, int ifindex)
{
_CHECK_SELF (self, klass, 0);
g_return_val_if_fail (ifindex >= 0, 0);
if (klass->link_get_dev_id)
return klass->link_get_dev_id (self, ifindex);
return 0;
}
/**
* nm_platform_link_get_wake_onlan:
* @self: platform instance
* @ifindex: Interface index
*
* Returns: the "Wake-on-LAN" status for @ifindex.
*/
gboolean
nm_platform_link_get_wake_on_lan (NMPlatform *self, int ifindex)
{
_CHECK_SELF (self, klass, FALSE);
g_return_val_if_fail (ifindex >= 0, FALSE);
if (klass->link_get_wake_on_lan)
return klass->link_get_wake_on_lan (self, ifindex);
return FALSE;
}
/**
* nm_platform_link_get_driver_info:
* @self: platform instance
* @ifindex: Interface index
* @out_driver_name: (transfer full): on success, the driver name if available
* @out_driver_version: (transfer full): on success, the driver version if available
* @out_fw_version: (transfer full): on success, the firmware version if available
*
* Returns: %TRUE on success (though @out_driver_name, @out_driver_version and
* @out_fw_version can be %NULL if no information was available), %FALSE on
* failure.
*/
gboolean
nm_platform_link_get_driver_info (NMPlatform *self,
int ifindex,
char **out_driver_name,
char **out_driver_version,
char **out_fw_version)
{
_CHECK_SELF (self, klass, FALSE);
g_return_val_if_fail (ifindex >= 0, FALSE);
return klass->link_get_driver_info (self,
ifindex,
out_driver_name,
out_driver_version,
out_fw_version);
}
/**
* nm_platform_link_enslave:
* @self: platform instance
* @master: Interface index of the master
* @slave: Interface index of the slave
*
* Enslave @slave to @master.
*/
gboolean
nm_platform_link_enslave (NMPlatform *self, int master, int slave)
{
_CHECK_SELF (self, klass, FALSE);
g_return_val_if_fail (master > 0, FALSE);
g_return_val_if_fail (slave> 0, FALSE);
_LOGD ("link: enslaving '%s' (%d) to master '%s' (%d)",
nm_platform_link_get_name (self, slave), slave,
nm_platform_link_get_name (self, master), master);
return klass->link_enslave (self, master, slave);
}
/**
* nm_platform_link_release:
* @self: platform instance
* @master: Interface index of the master
* @slave: Interface index of the slave
*
* Release @slave from @master.
*/
gboolean
nm_platform_link_release (NMPlatform *self, int master, int slave)
{
_CHECK_SELF (self, klass, FALSE);
g_return_val_if_fail (master > 0, FALSE);
g_return_val_if_fail (slave > 0, FALSE);
if (nm_platform_link_get_master (self, slave) != master)
return FALSE;
_LOGD ("link: releasing '%s' (%d) from master '%s' (%d)",
nm_platform_link_get_name (self, slave), slave,
nm_platform_link_get_name (self, master), master);
return klass->link_release (self, master, slave);
}
/**
* nm_platform_link_get_master:
* @self: platform instance
* @slave: Interface index of the slave.
*
* Returns: Interfase index of the slave's master.
*/
int
nm_platform_link_get_master (NMPlatform *self, int slave)
{
const NMPlatformLink *pllink;
_CHECK_SELF (self, klass, 0);
g_return_val_if_fail (slave >= 0, FALSE);
pllink = nm_platform_link_get (self, slave);
return pllink ? pllink->master : 0;
}
/*****************************************************************************/
/**
* nm_platform_link_get_lnk:
* @self: the platform instance
* @ifindex: the link ifindex to lookup
* @link_type: filter by link-type.
* @out_link: (allow-none): returns the platform link instance
*
* If the function returns %NULL, that could mean that no such ifindex
* exists, of that the link has no lnk data. You can find that out
* by checking @out_link. @out_link will always be set if a link
* with @ifindex exists.
*
* If @link_type is %NM_LINK_TYPE_NONE, the function returns the lnk
* object if it is present. If you set link-type, you can be sure
* that only a link type of the matching type is returned (or %NULL).
*
* Returns: the internal link lnk object. The returned object
* is owned by the platform cache and must not be modified. Note
* however, that the object is guaranteed to be immutable, so
* you can savely take a reference and keep it for yourself
* (but don't modify it).
*/
const NMPObject *
nm_platform_link_get_lnk (NMPlatform *self, int ifindex, NMLinkType link_type, const NMPlatformLink **out_link)
{
_CHECK_SELF (self, klass, FALSE);
NM_SET_OUT (out_link, NULL);
g_return_val_if_fail (ifindex > 0, NULL);
return klass->link_get_lnk (self, ifindex, link_type, out_link);
}
static gconstpointer
_link_get_lnk (NMPlatform *self, int ifindex, NMLinkType link_type, const NMPlatformLink **out_link)
{
const NMPObject *lnk;
lnk = nm_platform_link_get_lnk (self, ifindex, link_type, out_link);
return lnk ? &lnk->object : NULL;
}
const NMPlatformLnkGre *
nm_platform_link_get_lnk_gre (NMPlatform *self, int ifindex, const NMPlatformLink **out_link)
{
return _link_get_lnk (self, ifindex, NM_LINK_TYPE_GRE, out_link);
}
const NMPlatformLnkInfiniband *
nm_platform_link_get_lnk_infiniband (NMPlatform *self, int ifindex, const NMPlatformLink **out_link)
{
return _link_get_lnk (self, ifindex, NM_LINK_TYPE_INFINIBAND, out_link);
}
const NMPlatformLnkIp6Tnl *
nm_platform_link_get_lnk_ip6tnl (NMPlatform *self, int ifindex, const NMPlatformLink **out_link)
{
return _link_get_lnk (self, ifindex, NM_LINK_TYPE_IP6TNL, out_link);
}
const NMPlatformLnkIpIp *
nm_platform_link_get_lnk_ipip (NMPlatform *self, int ifindex, const NMPlatformLink **out_link)
{
return _link_get_lnk (self, ifindex, NM_LINK_TYPE_IPIP, out_link);
}
const NMPlatformLnkMacvlan *
nm_platform_link_get_lnk_macvlan (NMPlatform *self, int ifindex, const NMPlatformLink **out_link)
{
return _link_get_lnk (self, ifindex, NM_LINK_TYPE_MACVLAN, out_link);
}
const NMPlatformLnkMacvtap *
nm_platform_link_get_lnk_macvtap (NMPlatform *self, int ifindex, const NMPlatformLink **out_link)
{
return _link_get_lnk (self, ifindex, NM_LINK_TYPE_MACVTAP, out_link);
}
const NMPlatformLnkSit *
nm_platform_link_get_lnk_sit (NMPlatform *self, int ifindex, const NMPlatformLink **out_link)
{
return _link_get_lnk (self, ifindex, NM_LINK_TYPE_SIT, out_link);
}
const NMPlatformLnkVlan *
nm_platform_link_get_lnk_vlan (NMPlatform *self, int ifindex, const NMPlatformLink **out_link)
{
return _link_get_lnk (self, ifindex, NM_LINK_TYPE_VLAN, out_link);
}
const NMPlatformLnkVxlan *
nm_platform_link_get_lnk_vxlan (NMPlatform *self, int ifindex, const NMPlatformLink **out_link)
{
return _link_get_lnk (self, ifindex, NM_LINK_TYPE_VXLAN, out_link);
}
/*****************************************************************************/
/**
* nm_platform_link_bridge_add:
* @self: platform instance
* @name: New interface name
* @address: (allow-none): set the mac address of the new bridge
* @address_len: the length of the @address
* @out_link: on success, the link object
*
* Create a software bridge.
*/
NMPlatformError
nm_platform_link_bridge_add (NMPlatform *self,
const char *name,
const void *address,
size_t address_len,
const NMPlatformLink **out_link)
{
return nm_platform_link_add (self, name, NM_LINK_TYPE_BRIDGE, address, address_len, out_link);
}
/**
* nm_platform_link_bond_add:
* @self: platform instance
* @name: New interface name
* @out_link: on success, the link object
*
* Create a software bonding device.
*/
NMPlatformError
nm_platform_link_bond_add (NMPlatform *self,
const char *name,
const NMPlatformLink **out_link)
{
return nm_platform_link_add (self, name, NM_LINK_TYPE_BOND, NULL, 0, out_link);
}
/**
* nm_platform_link_team_add:
* @self: platform instance
* @name: New interface name
* @out_link: on success, the link object
*
* Create a software teaming device.
*/
NMPlatformError
nm_platform_link_team_add (NMPlatform *self,
const char *name,
const NMPlatformLink **out_link)
{
return nm_platform_link_add (self, name, NM_LINK_TYPE_TEAM, NULL, 0, out_link);
}
/**
* nm_platform_link_vlan_add:
* @self: platform instance
* @name: New interface name
* @vlanid: VLAN identifier
* @vlanflags: VLAN flags from libnm
* @out_link: on success, the link object
*
* Create a software VLAN device.
*/
NMPlatformError
nm_platform_link_vlan_add (NMPlatform *self,
const char *name,
int parent,
int vlanid,
guint32 vlanflags,
const NMPlatformLink **out_link)
{
NMPlatformError plerr;
_CHECK_SELF (self, klass, NM_PLATFORM_ERROR_BUG);
g_return_val_if_fail (parent >= 0, NM_PLATFORM_ERROR_BUG);
g_return_val_if_fail (vlanid >= 0, NM_PLATFORM_ERROR_BUG);
g_return_val_if_fail (name, NM_PLATFORM_ERROR_BUG);
plerr = _link_add_check_existing (self, name, NM_LINK_TYPE_VLAN, out_link);
if (plerr != NM_PLATFORM_ERROR_SUCCESS)
return plerr;
_LOGD ("link: adding vlan '%s' parent %d vlanid %d vlanflags %x",
name, parent, vlanid, vlanflags);
if (!klass->vlan_add (self, name, parent, vlanid, vlanflags, out_link))
return NM_PLATFORM_ERROR_UNSPECIFIED;
return NM_PLATFORM_ERROR_SUCCESS;
}
/**
* nm_platform_link_vxlan_add:
* @self: platform instance
* @name: New interface name
* @props: properties of the new link
* @out_link: on success, the link object
*
* Create a VXLAN device.
*/
NMPlatformError
nm_platform_link_vxlan_add (NMPlatform *self,
const char *name,
const NMPlatformLnkVxlan *props,
const NMPlatformLink **out_link)
{
NMPlatformError plerr;
_CHECK_SELF (self, klass, NM_PLATFORM_ERROR_BUG);
g_return_val_if_fail (props, NM_PLATFORM_ERROR_BUG);
plerr = _link_add_check_existing (self, name, NM_LINK_TYPE_VXLAN, out_link);
if (plerr != NM_PLATFORM_ERROR_SUCCESS)
return plerr;
_LOGD ("link: adding vxlan '%s' parent %d id %d",
name, props->parent_ifindex, props->id);
if (!klass->link_vxlan_add (self, name, props, out_link))
return NM_PLATFORM_ERROR_UNSPECIFIED;
return NM_PLATFORM_ERROR_SUCCESS;
}
/**
* nm_platform_link_tun_add:
* @self: platform instance
* @name: new interface name
* @tap: whether the interface is a TAP
* @owner: interface owner or -1
* @group: interface group or -1
* @pi: whether to clear the IFF_NO_PI flag
* @vnet_hdr: whether to set the IFF_VNET_HDR flag
* @multi_queue: whether to set the IFF_MULTI_QUEUE flag
* @out_link: on success, the link object
*
* Create a TUN or TAP interface.
*/
NMPlatformError
nm_platform_link_tun_add (NMPlatform *self,
const char *name,
gboolean tap,
gint64 owner,
gint64 group,
gboolean pi,
gboolean vnet_hdr,
gboolean multi_queue,
const NMPlatformLink **out_link)
{
NMPlatformError plerr;
_CHECK_SELF (self, klass, NM_PLATFORM_ERROR_BUG);
g_return_val_if_fail (name, NM_PLATFORM_ERROR_BUG);
plerr = _link_add_check_existing (self, name, tap ? NM_LINK_TYPE_TAP : NM_LINK_TYPE_TUN, out_link);
if (plerr != NM_PLATFORM_ERROR_SUCCESS)
return plerr;
_LOGD ("link: adding %s '%s' owner %" G_GINT64_FORMAT " group %" G_GINT64_FORMAT,
tap ? "tap" : "tun", name, owner, group);
if (!klass->tun_add (self, name, tap, owner, group, pi, vnet_hdr, multi_queue, out_link))
return NM_PLATFORM_ERROR_UNSPECIFIED;
return NM_PLATFORM_ERROR_SUCCESS;
}
/*****************************************************************************/
static char *
link_option_path (NMPlatform *self, int master, const char *category, const char *option)
{
const char *name = nm_platform_link_get_name (self, master);
if (!name || !category || !option)
return NULL;
return g_strdup_printf ("/sys/class/net/%s/%s/%s",
ASSERT_VALID_PATH_COMPONENT (name),
ASSERT_VALID_PATH_COMPONENT (category),
ASSERT_VALID_PATH_COMPONENT (option));
}
static gboolean
link_set_option (NMPlatform *self, int master, const char *category, const char *option, const char *value)
{
gs_free char *path = link_option_path (self, master, category, option);
return path && nm_platform_sysctl_set (self, path, value);
}
static char *
link_get_option (NMPlatform *self, int master, const char *category, const char *option)
{
gs_free char *path = link_option_path (self, master, category, option);
return path ? nm_platform_sysctl_get (self, path) : NULL;
}
static const char *
master_category (NMPlatform *self, int master)
{
switch (nm_platform_link_get_type (self, master)) {
case NM_LINK_TYPE_BRIDGE:
return "bridge";
case NM_LINK_TYPE_BOND:
return "bonding";
default:
return NULL;
}
}
static const char *
slave_category (NMPlatform *self, int slave)
{
int master = nm_platform_link_get_master (self, slave);
if (master <= 0)
return NULL;
switch (nm_platform_link_get_type (self, master)) {
case NM_LINK_TYPE_BRIDGE:
return "brport";
default:
return NULL;
}
}
gboolean
nm_platform_sysctl_master_set_option (NMPlatform *self, int ifindex, const char *option, const char *value)
{
_CHECK_SELF (self, klass, FALSE);
g_return_val_if_fail (ifindex > 0, FALSE);
g_return_val_if_fail (option, FALSE);
g_return_val_if_fail (value, FALSE);
return link_set_option (self, ifindex, master_category (self, ifindex), option, value);
}
char *
nm_platform_sysctl_master_get_option (NMPlatform *self, int ifindex, const char *option)
{
_CHECK_SELF (self, klass, NULL);
g_return_val_if_fail (ifindex > 0, FALSE);
g_return_val_if_fail (option, FALSE);
return link_get_option (self, ifindex, master_category (self, ifindex), option);
}
gboolean
nm_platform_sysctl_slave_set_option (NMPlatform *self, int ifindex, const char *option, const char *value)
{
_CHECK_SELF (self, klass, FALSE);
g_return_val_if_fail (ifindex > 0, FALSE);
g_return_val_if_fail (option, FALSE);
g_return_val_if_fail (value, FALSE);
return link_set_option (self, ifindex, slave_category (self, ifindex), option, value);
}
char *
nm_platform_sysctl_slave_get_option (NMPlatform *self, int ifindex, const char *option)
{
_CHECK_SELF (self, klass, NULL);
g_return_val_if_fail (ifindex > 0, FALSE);
g_return_val_if_fail (option, FALSE);
return link_get_option (self, ifindex, slave_category (self, ifindex), option);
}
/******************************************************************************/
gboolean
nm_platform_link_vlan_change (NMPlatform *self,
int ifindex,
NMVlanFlags flags_mask,
NMVlanFlags flags_set,
gboolean ingress_reset_all,
const NMVlanQosMapping *ingress_map,
gsize n_ingress_map,
gboolean egress_reset_all,
const NMVlanQosMapping *egress_map,
gsize n_egress_map)
{
_CHECK_SELF (self, klass, FALSE);
nm_assert (klass->link_vlan_change);
g_return_val_if_fail (!n_ingress_map || ingress_map, FALSE);
g_return_val_if_fail (!n_egress_map || egress_map, FALSE);
flags_set &= flags_mask;
if (_LOGD_ENABLED ()) {
char buf[512];
char *b = buf;
gsize len, i;
b[0] = '\0';
len = sizeof (buf);
if (flags_mask)
nm_utils_strbuf_append (&b, &len, " flags 0x%x/0x%x", (unsigned) flags_set, (unsigned) flags_mask);
if (ingress_reset_all || n_ingress_map) {
nm_utils_strbuf_append_str (&b, &len, " ingress-qos-map");
nm_platform_vlan_qos_mapping_to_string ("", ingress_map, n_ingress_map, b, len);
i = strlen (b);
b += i;
len -= i;
if (ingress_reset_all)
nm_utils_strbuf_append_str (&b, &len, " (reset-all)");
}
if (egress_reset_all || n_egress_map) {
nm_utils_strbuf_append_str (&b, &len, " egress-qos-map");
nm_platform_vlan_qos_mapping_to_string ("", egress_map, n_egress_map, b, len);
i = strlen (b);
b += i;
len -= i;
if (egress_reset_all)
nm_utils_strbuf_append_str (&b, &len, " (reset-all)");
}
_LOGD ("link: change vlan %d:%s", ifindex, buf);
}
return klass->link_vlan_change (self,
ifindex,
flags_mask,
flags_set,
ingress_reset_all,
ingress_map,
n_ingress_map,
egress_reset_all,
egress_map,
n_egress_map);
}
gboolean
nm_platform_link_vlan_set_ingress_map (NMPlatform *self, int ifindex, int from, int to)
{
NMVlanQosMapping map = {
.from = from,
.to = to,
};
return nm_platform_link_vlan_change (self, ifindex, 0, 0, FALSE, &map, 1, FALSE, NULL, 0);
}
gboolean
nm_platform_link_vlan_set_egress_map (NMPlatform *self, int ifindex, int from, int to)
{
NMVlanQosMapping map = {
.from = from,
.to = to,
};
return nm_platform_link_vlan_change (self, ifindex, 0, 0, FALSE, NULL, 0, FALSE, &map, 1);
}
/**
* nm_platform_link_gre_add:
* @self: platform instance
* @name: name of the new interface
* @props: interface properties
* @out_link: on success, the link object
*
* Create a software GRE device.
*/
NMPlatformError
nm_platform_link_gre_add (NMPlatform *self,
const char *name,
const NMPlatformLnkGre *props,
const NMPlatformLink **out_link)
{
NMPlatformError plerr;
char buffer[INET_ADDRSTRLEN];
_CHECK_SELF (self, klass, NM_PLATFORM_ERROR_BUG);
g_return_val_if_fail (props, NM_PLATFORM_ERROR_BUG);
g_return_val_if_fail (name, NM_PLATFORM_ERROR_BUG);
plerr = _link_add_check_existing (self, name, NM_LINK_TYPE_GRE, out_link);
if (plerr != NM_PLATFORM_ERROR_SUCCESS)
return plerr;
_LOGD (LOG_FMT_IP_TUNNEL,
"gre",
name,
props->parent_ifindex,
nm_utils_inet4_ntop (props->local, NULL),
nm_utils_inet4_ntop (props->remote, buffer));
if (!klass->link_gre_add (self, name, props, out_link))
return NM_PLATFORM_ERROR_UNSPECIFIED;
return NM_PLATFORM_ERROR_SUCCESS;
}
NMPlatformError
nm_platform_link_infiniband_add (NMPlatform *self,
int parent,
int p_key,
const NMPlatformLink **out_link)
{
gs_free char *parent_name = NULL;
gs_free char *name = NULL;
NMPlatformError plerr;
_CHECK_SELF (self, klass, NM_PLATFORM_ERROR_BUG);
g_return_val_if_fail (parent >= 0, NM_PLATFORM_ERROR_BUG);
g_return_val_if_fail (p_key >= 0, NM_PLATFORM_ERROR_BUG);
parent_name = g_strdup (nm_platform_link_get_name (self, parent));
if ( !parent_name
|| nm_platform_link_get_type (self, parent) != NM_LINK_TYPE_INFINIBAND)
return NM_PLATFORM_ERROR_WRONG_TYPE;
name = g_strdup_printf ("%s.%04x", parent_name, p_key);
plerr = _link_add_check_existing (self, name, NM_LINK_TYPE_INFINIBAND, out_link);
if (plerr != NM_PLATFORM_ERROR_SUCCESS)
return plerr;
_LOGD ("link: adding infiniband partition %s for parent '%s' (%d), key %d",
name, parent_name, parent, p_key);
if (!klass->infiniband_partition_add (self, parent, p_key, out_link))
return NM_PLATFORM_ERROR_UNSPECIFIED;
return NM_PLATFORM_ERROR_SUCCESS;
}
gboolean
nm_platform_link_infiniband_get_properties (NMPlatform *self,
int ifindex,
int *out_parent,
int *out_p_key,
const char **out_mode)
{
const NMPlatformLnkInfiniband *plnk;
const NMPlatformLink *plink;
const char *iface;
char *path, *contents;
const char *mode;
int p_key = 0;
_CHECK_SELF (self, klass, FALSE);
g_return_val_if_fail (ifindex > 0, FALSE);
plnk = nm_platform_link_get_lnk_infiniband (self, ifindex, &plink);
if ( !plink
|| plink->type != NM_LINK_TYPE_INFINIBAND)
return FALSE;
if (plnk) {
NM_SET_OUT (out_parent, plink->parent);
NM_SET_OUT (out_p_key, plnk->p_key);
NM_SET_OUT (out_mode, plnk->mode);
return TRUE;
}
/* Could not get the link information via netlink. To support older kernels,
* fallback to reading sysfs. */
iface = ASSERT_VALID_PATH_COMPONENT (plink->name);
/* Fall back to reading sysfs */
path = g_strdup_printf ("/sys/class/net/%s/mode", iface);
contents = nm_platform_sysctl_get (self, path);
g_free (path);
if (!contents)
return FALSE;
if (strstr (contents, "datagram"))
mode = "datagram";
else if (strstr (contents, "connected"))
mode = "connected";
else
mode = NULL;
g_free (contents);
path = g_strdup_printf ("/sys/class/net/%s/pkey", iface);
contents = nm_platform_sysctl_get (self, path);
g_free (path);
if (!contents)
return FALSE;
p_key = (int) _nm_utils_ascii_str_to_int64 (contents, 16, 0, 0xFFFF, -1);
g_free (contents);
if (p_key < 0)
return FALSE;
NM_SET_OUT (out_parent, plink->parent);
NM_SET_OUT (out_p_key, p_key);
NM_SET_OUT (out_mode, mode);
return TRUE;
}
/**
* nm_platform_ip6tnl_add:
* @self: platform instance
* @name: name of the new interface
* @props: interface properties
* @out_link: on success, the link object
*
* Create an IPv6 tunnel.
*/
NMPlatformError
nm_platform_link_ip6tnl_add (NMPlatform *self,
const char *name,
const NMPlatformLnkIp6Tnl *props,
const NMPlatformLink **out_link)
{
NMPlatformError plerr;
char buffer[INET6_ADDRSTRLEN];
_CHECK_SELF (self, klass, NM_PLATFORM_ERROR_BUG);
g_return_val_if_fail (props, NM_PLATFORM_ERROR_BUG);
g_return_val_if_fail (name, NM_PLATFORM_ERROR_BUG);
plerr = _link_add_check_existing (self, name, NM_LINK_TYPE_IP6TNL, out_link);
if (plerr != NM_PLATFORM_ERROR_SUCCESS)
return plerr;
_LOGD (LOG_FMT_IP_TUNNEL,
"ip6tnl",
name,
props->parent_ifindex,
nm_utils_inet6_ntop (&props->local, NULL),
nm_utils_inet6_ntop (&props->remote, buffer));
if (!klass->link_ip6tnl_add (self, name, props, out_link))
return NM_PLATFORM_ERROR_UNSPECIFIED;
return NM_PLATFORM_ERROR_SUCCESS;
}
/**
* nm_platform_ipip_add:
* @self: platform instance
* @name: name of the new interface
* @props: interface properties
* @out_link: on success, the link object
*
* Create an IPIP tunnel.
*/
NMPlatformError
nm_platform_link_ipip_add (NMPlatform *self,
const char *name,
const NMPlatformLnkIpIp *props,
const NMPlatformLink **out_link)
{
NMPlatformError plerr;
char buffer[INET_ADDRSTRLEN];
_CHECK_SELF (self, klass, NM_PLATFORM_ERROR_BUG);
g_return_val_if_fail (props, NM_PLATFORM_ERROR_BUG);
g_return_val_if_fail (name, NM_PLATFORM_ERROR_BUG);
plerr = _link_add_check_existing (self, name, NM_LINK_TYPE_IPIP, out_link);
if (plerr != NM_PLATFORM_ERROR_SUCCESS)
return plerr;
_LOGD (LOG_FMT_IP_TUNNEL,
"ipip",
name,
props->parent_ifindex,
nm_utils_inet4_ntop (props->local, NULL),
nm_utils_inet4_ntop (props->remote, buffer));
if (!klass->link_ipip_add (self, name, props, out_link))
return NM_PLATFORM_ERROR_UNSPECIFIED;
return NM_PLATFORM_ERROR_SUCCESS;
}
/**
* nm_platform_macvlan_add:
* @self: platform instance
* @name: name of the new interface
* @props: interface properties
* @out_link: on success, the link object
*
* Create a MACVLAN or MACVTAP device.
*/
NMPlatformError
nm_platform_link_macvlan_add (NMPlatform *self,
const char *name,
int parent,
const NMPlatformLnkMacvlan *props,
const NMPlatformLink **out_link)
{
NMPlatformError plerr;
NMLinkType type;
_CHECK_SELF (self, klass, NM_PLATFORM_ERROR_BUG);
g_return_val_if_fail (props, NM_PLATFORM_ERROR_BUG);
g_return_val_if_fail (name, NM_PLATFORM_ERROR_BUG);
type = props->tap ? NM_LINK_TYPE_MACVTAP : NM_LINK_TYPE_MACVLAN;
plerr = _link_add_check_existing (self, name, type, out_link);
if (plerr != NM_PLATFORM_ERROR_SUCCESS)
return plerr;
_LOGD ("adding %s '%s' parent %u mode %u",
props->tap ? "macvtap" : "macvlan",
name,
parent,
props->mode);
if (!klass->link_macvlan_add (self, name, parent, props, out_link))
return NM_PLATFORM_ERROR_UNSPECIFIED;
return NM_PLATFORM_ERROR_SUCCESS;
}
/**
* nm_platform_sit_add:
* @self: platform instance
* @name: name of the new interface
* @props: interface properties
* @out_link: on success, the link object
*
* Create a software SIT device.
*/
NMPlatformError
nm_platform_link_sit_add (NMPlatform *self,
const char *name,
const NMPlatformLnkSit *props,
const NMPlatformLink **out_link)
{
NMPlatformError plerr;
char buffer[INET_ADDRSTRLEN];
_CHECK_SELF (self, klass, NM_PLATFORM_ERROR_BUG);
g_return_val_if_fail (props, NM_PLATFORM_ERROR_BUG);
g_return_val_if_fail (name, NM_PLATFORM_ERROR_BUG);
plerr = _link_add_check_existing (self, name, NM_LINK_TYPE_SIT, out_link);
if (plerr != NM_PLATFORM_ERROR_SUCCESS)
return plerr;
_LOGD (LOG_FMT_IP_TUNNEL,
"sit",
name,
props->parent_ifindex,
nm_utils_inet4_ntop (props->local, NULL),
nm_utils_inet4_ntop (props->remote, buffer));
if (!klass->link_sit_add (self, name, props, out_link))
return NM_PLATFORM_ERROR_UNSPECIFIED;
return NM_PLATFORM_ERROR_SUCCESS;
}
gboolean
nm_platform_link_veth_get_properties (NMPlatform *self, int ifindex, int *out_peer_ifindex)
{
const NMPlatformLink *plink;
int peer_ifindex;
_CHECK_SELF (self, klass, FALSE);
plink = nm_platform_link_get (self, ifindex);
if (!plink)
return FALSE;
if (plink->type != NM_LINK_TYPE_VETH)
return FALSE;
if (plink->parent != 0) {
NM_SET_OUT (out_peer_ifindex, plink->parent);
return TRUE;
}
/* Pre-4.1 kernel did not expose the peer_ifindex as IFA_LINK. Lookup via ethtool. */
if (out_peer_ifindex) {
peer_ifindex = nmp_utils_ethtool_get_peer_ifindex (plink->name);
if (peer_ifindex <= 0)
return FALSE;
*out_peer_ifindex = peer_ifindex;
}
return TRUE;
}
gboolean
nm_platform_link_tun_get_properties_ifname (NMPlatform *self, const char *ifname, NMPlatformTunProperties *props)
{
char *path, *val;
gboolean success = TRUE;
_CHECK_SELF (self, klass, FALSE);
g_return_val_if_fail (props, FALSE);
memset (props, 0, sizeof (*props));
props->owner = -1;
props->group = -1;
if (!ifname || !nm_utils_iface_valid_name (ifname))
return FALSE;
ifname = ASSERT_VALID_PATH_COMPONENT (ifname);
path = g_strdup_printf ("/sys/class/net/%s/owner", ifname);
val = nm_platform_sysctl_get (self, path);
g_free (path);
if (val) {
props->owner = _nm_utils_ascii_str_to_int64 (val, 10, -1, G_MAXINT64, -1);
if (errno)
success = FALSE;
g_free (val);
} else
success = FALSE;
path = g_strdup_printf ("/sys/class/net/%s/group", ifname);
val = nm_platform_sysctl_get (self, path);
g_free (path);
if (val) {
props->group = _nm_utils_ascii_str_to_int64 (val, 10, -1, G_MAXINT64, -1);
if (errno)
success = FALSE;
g_free (val);
} else
success = FALSE;
path = g_strdup_printf ("/sys/class/net/%s/tun_flags", ifname);
val = nm_platform_sysctl_get (self, path);
g_free (path);
if (val) {
gint64 flags;
flags = _nm_utils_ascii_str_to_int64 (val, 16, 0, G_MAXINT64, 0);
if (!errno) {
props->mode = ((flags & (IFF_TUN | IFF_TAP)) == IFF_TUN) ? "tun" : "tap";
props->no_pi = !!(flags & IFF_NO_PI);
props->vnet_hdr = !!(flags & IFF_VNET_HDR);
props->multi_queue = !!(flags & NM_IFF_MULTI_QUEUE);
} else
success = FALSE;
g_free (val);
} else
success = FALSE;
return success;
}
gboolean
nm_platform_link_tun_get_properties (NMPlatform *self, int ifindex, NMPlatformTunProperties *props)
{
_CHECK_SELF (self, klass, FALSE);
g_return_val_if_fail (ifindex > 0, FALSE);
g_return_val_if_fail (props != NULL, FALSE);
return nm_platform_link_tun_get_properties_ifname (self, nm_platform_link_get_name (self, ifindex), props);
}
gboolean
nm_platform_wifi_get_capabilities (NMPlatform *self, int ifindex, NMDeviceWifiCapabilities *caps)
{
_CHECK_SELF (self, klass, FALSE);
g_return_val_if_fail (ifindex > 0, FALSE);
return klass->wifi_get_capabilities (self, ifindex, caps);
}
gboolean
nm_platform_wifi_get_bssid (NMPlatform *self, int ifindex, guint8 *bssid)
{
_CHECK_SELF (self, klass, FALSE);
g_return_val_if_fail (ifindex > 0, FALSE);
return klass->wifi_get_bssid (self, ifindex, bssid);
}
guint32
nm_platform_wifi_get_frequency (NMPlatform *self, int ifindex)
{
_CHECK_SELF (self, klass, 0);
g_return_val_if_fail (ifindex > 0, 0);
return klass->wifi_get_frequency (self, ifindex);
}
int
nm_platform_wifi_get_quality (NMPlatform *self, int ifindex)
{
_CHECK_SELF (self, klass, 0);
g_return_val_if_fail (ifindex > 0, 0);
return klass->wifi_get_quality (self, ifindex);
}
guint32
nm_platform_wifi_get_rate (NMPlatform *self, int ifindex)
{
_CHECK_SELF (self, klass, 0);
g_return_val_if_fail (ifindex > 0, 0);
return klass->wifi_get_rate (self, ifindex);
}
NM80211Mode
nm_platform_wifi_get_mode (NMPlatform *self, int ifindex)
{
_CHECK_SELF (self, klass, NM_802_11_MODE_UNKNOWN);
g_return_val_if_fail (ifindex > 0, NM_802_11_MODE_UNKNOWN);
return klass->wifi_get_mode (self, ifindex);
}
void
nm_platform_wifi_set_mode (NMPlatform *self, int ifindex, NM80211Mode mode)
{
_CHECK_SELF_VOID (self, klass);
g_return_if_fail (ifindex > 0);
klass->wifi_set_mode (self, ifindex, mode);
}
static void
wifi_set_powersave (NMPlatform *p, int ifindex, guint32 powersave)
{
/* empty */
}
void
nm_platform_wifi_set_powersave (NMPlatform *self, int ifindex, guint32 powersave)
{
_CHECK_SELF_VOID (self, klass);
g_return_if_fail (ifindex > 0);
klass->wifi_set_powersave (self, ifindex, powersave);
}
guint32
nm_platform_wifi_find_frequency (NMPlatform *self, int ifindex, const guint32 *freqs)
{
_CHECK_SELF (self, klass, 0);
g_return_val_if_fail (ifindex > 0, 0);
g_return_val_if_fail (freqs != NULL, 0);
return klass->wifi_find_frequency (self, ifindex, freqs);
}
void
nm_platform_wifi_indicate_addressing_running (NMPlatform *self, int ifindex, gboolean running)
{
_CHECK_SELF_VOID (self, klass);
g_return_if_fail (ifindex > 0);
klass->wifi_indicate_addressing_running (self, ifindex, running);
}
guint32
nm_platform_mesh_get_channel (NMPlatform *self, int ifindex)
{
_CHECK_SELF (self, klass, 0);
g_return_val_if_fail (ifindex > 0, 0);
return klass->mesh_get_channel (self, ifindex);
}
gboolean
nm_platform_mesh_set_channel (NMPlatform *self, int ifindex, guint32 channel)
{
_CHECK_SELF (self, klass, FALSE);
g_return_val_if_fail (ifindex > 0, FALSE);
return klass->mesh_set_channel (self, ifindex, channel);
}
gboolean
nm_platform_mesh_set_ssid (NMPlatform *self, int ifindex, const guint8 *ssid, gsize len)
{
_CHECK_SELF (self, klass, FALSE);
g_return_val_if_fail (ifindex > 0, FALSE);
g_return_val_if_fail (ssid != NULL, FALSE);
return klass->mesh_set_ssid (self, ifindex, ssid, len);
}
#define TO_STRING_DEV_BUF_SIZE (5+15+1)
static const char *
_to_string_dev (NMPlatform *self, int ifindex, char *buf, size_t size)
{
g_assert (buf && size >= TO_STRING_DEV_BUF_SIZE);
if (ifindex) {
const char *name = ifindex > 0 && self ? nm_platform_link_get_name (self, ifindex) : NULL;
char *buf2;
strcpy (buf, " dev ");
buf2 = buf + 5;
size -= 5;
if (name)
g_strlcpy (buf2, name, size);
else
g_snprintf (buf2, size, "%d", ifindex);
} else
buf[0] = 0;
return buf;
}
/******************************************************************/
void
nm_platform_ip4_address_set_addr (NMPlatformIP4Address *addr, in_addr_t address, int plen)
{
addr->address = address;
addr->peer_address = address;
addr->plen = plen;
}
const struct in6_addr *
nm_platform_ip6_address_get_peer (const NMPlatformIP6Address *addr)
{
if ( IN6_IS_ADDR_UNSPECIFIED (&addr->peer_address)
|| IN6_ARE_ADDR_EQUAL (&addr->peer_address, &addr->address))
return &addr->address;
return &addr->peer_address;
}
GArray *
nm_platform_ip4_address_get_all (NMPlatform *self, int ifindex)
{
_CHECK_SELF (self, klass, NULL);
g_return_val_if_fail (ifindex > 0, NULL);
return klass->ip4_address_get_all (self, ifindex);
}
GArray *
nm_platform_ip6_address_get_all (NMPlatform *self, int ifindex)
{
_CHECK_SELF (self, klass, NULL);
g_return_val_if_fail (ifindex > 0, NULL);
return klass->ip6_address_get_all (self, ifindex);
}
gboolean
nm_platform_ip4_address_add (NMPlatform *self,
int ifindex,
in_addr_t address,
int plen,
in_addr_t peer_address,
guint32 lifetime,
guint32 preferred,
const char *label)
{
_CHECK_SELF (self, klass, FALSE);
g_return_val_if_fail (ifindex > 0, FALSE);
g_return_val_if_fail (plen > 0, FALSE);
g_return_val_if_fail (lifetime > 0, FALSE);
g_return_val_if_fail (preferred <= lifetime, FALSE);
g_return_val_if_fail (!label || strlen (label) < sizeof (((NMPlatformIP4Address *) NULL)->label), FALSE);
if (_LOGD_ENABLED ()) {
NMPlatformIP4Address addr = { 0 };
addr.ifindex = ifindex;
addr.address = address;
addr.peer_address = peer_address;
addr.plen = plen;
addr.timestamp = 0; /* set it at zero, which to_string will treat as *now* */
addr.lifetime = lifetime;
addr.preferred = preferred;
if (label)
g_strlcpy (addr.label, label, sizeof (addr.label));
_LOGD ("address: adding or updating IPv4 address: %s", nm_platform_ip4_address_to_string (&addr, NULL, 0));
}
return klass->ip4_address_add (self, ifindex, address, plen, peer_address, lifetime, preferred, label);
}
gboolean
nm_platform_ip6_address_add (NMPlatform *self,
int ifindex,
struct in6_addr address,
int plen,
struct in6_addr peer_address,
guint32 lifetime,
guint32 preferred,
guint flags)
{
_CHECK_SELF (self, klass, FALSE);
g_return_val_if_fail (ifindex > 0, FALSE);
g_return_val_if_fail (plen > 0, FALSE);
g_return_val_if_fail (lifetime > 0, FALSE);
g_return_val_if_fail (preferred <= lifetime, FALSE);
if (_LOGD_ENABLED ()) {
NMPlatformIP6Address addr = { 0 };
addr.ifindex = ifindex;
addr.address = address;
addr.peer_address = peer_address;
addr.plen = plen;
addr.timestamp = 0; /* set it to zero, which to_string will treat as *now* */
addr.lifetime = lifetime;
addr.preferred = preferred;
addr.flags = flags;
_LOGD ("address: adding or updating IPv6 address: %s", nm_platform_ip6_address_to_string (&addr, NULL, 0));
}
return klass->ip6_address_add (self, ifindex, address, plen, peer_address, lifetime, preferred, flags);
}
gboolean
nm_platform_ip4_address_delete (NMPlatform *self, int ifindex, in_addr_t address, int plen, in_addr_t peer_address)
{
char str_dev[TO_STRING_DEV_BUF_SIZE];
char str_peer2[NM_UTILS_INET_ADDRSTRLEN];
char str_peer[100];
_CHECK_SELF (self, klass, FALSE);
g_return_val_if_fail (ifindex > 0, FALSE);
g_return_val_if_fail (plen > 0, FALSE);
_LOGD ("address: deleting IPv4 address %s/%d, %sifindex %d%s",
nm_utils_inet4_ntop (address, NULL), plen,
peer_address != address
? nm_sprintf_buf (str_peer, "peer %s, ", nm_utils_inet4_ntop (peer_address, str_peer2)) : "",
ifindex,
_to_string_dev (self, ifindex, str_dev, sizeof (str_dev)));
return klass->ip4_address_delete (self, ifindex, address, plen, peer_address);
}
gboolean
nm_platform_ip6_address_delete (NMPlatform *self, int ifindex, struct in6_addr address, int plen)
{
char str_dev[TO_STRING_DEV_BUF_SIZE];
_CHECK_SELF (self, klass, FALSE);
g_return_val_if_fail (ifindex > 0, FALSE);
g_return_val_if_fail (plen > 0, FALSE);
_LOGD ("address: deleting IPv6 address %s/%d, ifindex %d%s",
nm_utils_inet6_ntop (&address, NULL), plen, ifindex,
_to_string_dev (self, ifindex, str_dev, sizeof (str_dev)));
return klass->ip6_address_delete (self, ifindex, address, plen);
}
const NMPlatformIP4Address *
nm_platform_ip4_address_get (NMPlatform *self, int ifindex, in_addr_t address, int plen, guint32 peer_address)
{
_CHECK_SELF (self, klass, NULL);
g_return_val_if_fail (plen > 0, NULL);
return klass->ip4_address_get (self, ifindex, address, plen, peer_address);
}
const NMPlatformIP6Address *
nm_platform_ip6_address_get (NMPlatform *self, int ifindex, struct in6_addr address, int plen)
{
_CHECK_SELF (self, klass, NULL);
g_return_val_if_fail (plen > 0, NULL);
return klass->ip6_address_get (self, ifindex, address, plen);
}
static gboolean
array_contains_ip4_address (const GArray *addresses, const NMPlatformIP4Address *address, gint64 now, guint32 padding)
{
guint len = addresses ? addresses->len : 0;
guint i;
for (i = 0; i < len; i++) {
NMPlatformIP4Address *candidate = &g_array_index (addresses, NMPlatformIP4Address, i);
if ( candidate->address == address->address
&& candidate->plen == address->plen
&& ((candidate->peer_address ^ address->peer_address) & nm_utils_ip4_prefix_to_netmask (address->plen)) == 0) {
guint32 lifetime, preferred;
if (nmp_utils_lifetime_get (candidate->timestamp, candidate->lifetime, candidate->preferred,
now, padding, &lifetime, &preferred))
return TRUE;
}
}
return FALSE;
}
static gboolean
array_contains_ip6_address (const GArray *addresses, const NMPlatformIP6Address *address, gint64 now, guint32 padding)
{
guint len = addresses ? addresses->len : 0;
guint i;
for (i = 0; i < len; i++) {
NMPlatformIP6Address *candidate = &g_array_index (addresses, NMPlatformIP6Address, i);
if (IN6_ARE_ADDR_EQUAL (&candidate->address, &address->address) && candidate->plen == address->plen) {
guint32 lifetime, preferred;
if (nmp_utils_lifetime_get (candidate->timestamp, candidate->lifetime, candidate->preferred,
now, padding, &lifetime, &preferred))
return TRUE;
}
}
return FALSE;
}
/**
* nm_platform_ip4_address_sync:
* @self: platform instance
* @ifindex: Interface index
* @known_addresses: List of addresses
* @out_added_addresses: (out): (allow-none): if not %NULL, return a #GPtrArray
* with the addresses added. The pointers point into @known_addresses.
* It possibly does not contain all addresses from @known_address because
* some addresses might be expired.
*
* A convenience function to synchronize addresses for a specific interface
* with the least possible disturbance. It simply removes addresses that are
* not listed and adds addresses that are.
*
* Returns: %TRUE on success.
*/
gboolean
nm_platform_ip4_address_sync (NMPlatform *self, int ifindex, const GArray *known_addresses, GPtrArray **out_added_addresses)
{
GArray *addresses;
NMPlatformIP4Address *address;
guint32 now = nm_utils_get_monotonic_timestamp_s ();
int i;
_CHECK_SELF (self, klass, FALSE);
/* Delete unknown addresses */
addresses = nm_platform_ip4_address_get_all (self, ifindex);
for (i = 0; i < addresses->len; i++) {
address = &g_array_index (addresses, NMPlatformIP4Address, i);
if (!array_contains_ip4_address (known_addresses, address, now, ADDRESS_LIFETIME_PADDING))
nm_platform_ip4_address_delete (self, ifindex, address->address, address->plen, address->peer_address);
}
g_array_free (addresses, TRUE);
if (out_added_addresses)
*out_added_addresses = NULL;
if (!known_addresses)
return TRUE;
/* Add missing addresses */
for (i = 0; i < known_addresses->len; i++) {
const NMPlatformIP4Address *known_address = &g_array_index (known_addresses, NMPlatformIP4Address, i);
guint32 lifetime, preferred;
if (!nmp_utils_lifetime_get (known_address->timestamp, known_address->lifetime, known_address->preferred,
now, ADDRESS_LIFETIME_PADDING, &lifetime, &preferred))
continue;
if (!nm_platform_ip4_address_add (self, ifindex, known_address->address, known_address->plen, known_address->peer_address, lifetime, preferred, known_address->label))
return FALSE;
if (out_added_addresses) {
if (!*out_added_addresses)
*out_added_addresses = g_ptr_array_new ();
g_ptr_array_add (*out_added_addresses, (gpointer) known_address);
}
}
return TRUE;
}
/**
* nm_platform_ip6_address_sync:
* @self: platform instance
* @ifindex: Interface index
* @known_addresses: List of addresses
* @keep_link_local: Don't remove link-local address
*
* A convenience function to synchronize addresses for a specific interface
* with the least possible disturbance. It simply removes addresses that are
* not listed and adds addresses that are.
*
* Returns: %TRUE on success.
*/
gboolean
nm_platform_ip6_address_sync (NMPlatform *self, int ifindex, const GArray *known_addresses, gboolean keep_link_local)
{
GArray *addresses;
NMPlatformIP6Address *address;
guint32 now = nm_utils_get_monotonic_timestamp_s ();
int i;
/* Delete unknown addresses */
addresses = nm_platform_ip6_address_get_all (self, ifindex);
for (i = 0; i < addresses->len; i++) {
address = &g_array_index (addresses, NMPlatformIP6Address, i);
/* Leave link local address management to the kernel */
if (keep_link_local && IN6_IS_ADDR_LINKLOCAL (&address->address))
continue;
if (!array_contains_ip6_address (known_addresses, address, now, ADDRESS_LIFETIME_PADDING))
nm_platform_ip6_address_delete (self, ifindex, address->address, address->plen);
}
g_array_free (addresses, TRUE);
if (!known_addresses)
return TRUE;
/* Add missing addresses */
for (i = 0; i < known_addresses->len; i++) {
const NMPlatformIP6Address *known_address = &g_array_index (known_addresses, NMPlatformIP6Address, i);
guint32 lifetime, preferred;
if (!nmp_utils_lifetime_get (known_address->timestamp, known_address->lifetime, known_address->preferred,
now, ADDRESS_LIFETIME_PADDING, &lifetime, &preferred))
continue;
if (!nm_platform_ip6_address_add (self, ifindex, known_address->address,
known_address->plen, known_address->peer_address,
lifetime, preferred, known_address->flags))
return FALSE;
}
return TRUE;
}
gboolean
nm_platform_address_flush (NMPlatform *self, int ifindex)
{
_CHECK_SELF (self, klass, FALSE);
return nm_platform_ip4_address_sync (self, ifindex, NULL, NULL)
&& nm_platform_ip6_address_sync (self, ifindex, NULL, FALSE);
}
/******************************************************************/
GArray *
nm_platform_ip4_route_get_all (NMPlatform *self, int ifindex, NMPlatformGetRouteFlags flags)
{
_CHECK_SELF (self, klass, NULL);
g_return_val_if_fail (ifindex >= 0, NULL);
return klass->ip4_route_get_all (self, ifindex, flags);
}
GArray *
nm_platform_ip6_route_get_all (NMPlatform *self, int ifindex, NMPlatformGetRouteFlags flags)
{
_CHECK_SELF (self, klass, NULL);
g_return_val_if_fail (ifindex >= 0, NULL);
return klass->ip6_route_get_all (self, ifindex, flags);
}
/**
* nm_platform_ip4_route_add:
* @self:
* @ifindex:
* @source:
* network:
* plen:
* gateway:
* pref_src:
* metric:
* mss:
*
* For kernel, a gateway can be either explicitly set or left
* at zero (0.0.0.0). In addition, there is the scope of the IPv4
* route.
* When adding a route with
* $ ip route add default dev $IFNAME
* the resulting route will have gateway 0.0.0.0 and scope "link".
* Contrary to
* $ ip route add default via 0.0.0.0 dev $IFNAME
* which adds the route with scope "global".
*
* NetworkManager's Platform can currently only add on-link-routes with scope
* "link" (and gateway 0.0.0.0) or gateway-routes with scope "global" (and
* gateway not 0.0.0.0).
*
* It does not support adding globally scoped routes via 0.0.0.0.
*
* Returns: %TRUE in case of success.
*/
gboolean
nm_platform_ip4_route_add (NMPlatform *self,
int ifindex, NMIPConfigSource source,
in_addr_t network, int plen,
in_addr_t gateway, in_addr_t pref_src,
guint32 metric, guint32 mss)
{
_CHECK_SELF (self, klass, FALSE);
g_return_val_if_fail (0 <= plen && plen <= 32, FALSE);
if (_LOGD_ENABLED ()) {
NMPlatformIP4Route route = { 0 };
route.ifindex = ifindex;
route.source = source;
route.network = network;
route.plen = plen;
route.gateway = gateway;
route.metric = metric;
route.mss = mss;
route.pref_src = pref_src;
_LOGD ("route: adding or updating IPv4 route: %s", nm_platform_ip4_route_to_string (&route, NULL, 0));
}
return klass->ip4_route_add (self, ifindex, source, network, plen, gateway, pref_src, metric, mss);
}
gboolean
nm_platform_ip6_route_add (NMPlatform *self,
int ifindex, NMIPConfigSource source,
struct in6_addr network, int plen, struct in6_addr gateway,
guint32 metric, guint32 mss)
{
_CHECK_SELF (self, klass, FALSE);
g_return_val_if_fail (0 <= plen && plen <= 128, FALSE);
if (_LOGD_ENABLED ()) {
NMPlatformIP6Route route = { 0 };
route.ifindex = ifindex;
route.source = source;
route.network = network;
route.plen = plen;
route.gateway = gateway;
route.metric = metric;
route.mss = mss;
_LOGD ("route: adding or updating IPv6 route: %s", nm_platform_ip6_route_to_string (&route, NULL, 0));
}
return klass->ip6_route_add (self, ifindex, source, network, plen, gateway, metric, mss);
}
gboolean
nm_platform_ip4_route_delete (NMPlatform *self, int ifindex, in_addr_t network, int plen, guint32 metric)
{
char str_dev[TO_STRING_DEV_BUF_SIZE];
_CHECK_SELF (self, klass, FALSE);
_LOGD ("route: deleting IPv4 route %s/%d, metric=%"G_GUINT32_FORMAT", ifindex %d%s",
nm_utils_inet4_ntop (network, NULL), plen, metric, ifindex,
_to_string_dev (self, ifindex, str_dev, sizeof (str_dev)));
return klass->ip4_route_delete (self, ifindex, network, plen, metric);
}
gboolean
nm_platform_ip6_route_delete (NMPlatform *self, int ifindex, struct in6_addr network, int plen, guint32 metric)
{
char str_dev[TO_STRING_DEV_BUF_SIZE];
_CHECK_SELF (self, klass, FALSE);
_LOGD ("route: deleting IPv6 route %s/%d, metric=%"G_GUINT32_FORMAT", ifindex %d%s",
nm_utils_inet6_ntop (&network, NULL), plen, metric, ifindex,
_to_string_dev (self, ifindex, str_dev, sizeof (str_dev)));
return klass->ip6_route_delete (self, ifindex, network, plen, metric);
}
const NMPlatformIP4Route *
nm_platform_ip4_route_get (NMPlatform *self, int ifindex, in_addr_t network, int plen, guint32 metric)
{
_CHECK_SELF (self, klass, FALSE);
return klass->ip4_route_get (self ,ifindex, network, plen, metric);
}
const NMPlatformIP6Route *
nm_platform_ip6_route_get (NMPlatform *self, int ifindex, struct in6_addr network, int plen, guint32 metric)
{
_CHECK_SELF (self, klass, FALSE);
return klass->ip6_route_get (self, ifindex, network, plen, metric);
}
/******************************************************************/
const char *
nm_platform_vlan_qos_mapping_to_string (const char *name,
const NMVlanQosMapping *map,
gsize n_map,
char *buf,
gsize len)
{
gsize i;
char *b;
nm_utils_to_string_buffer_init (&buf, &len);
if (!n_map) {
nm_utils_strbuf_append_str (&buf, &len, "");
return buf;
}
if (!map)
g_return_val_if_reached ("");
b = buf;
if (name) {
nm_utils_strbuf_append_str (&b, &len, name);
nm_utils_strbuf_append_str (&b, &len, " {");
} else
nm_utils_strbuf_append_c (&b, &len, '{');
for (i = 0; i < n_map; i++)
nm_utils_strbuf_append (&b, &len, " %u:%u", map[i].from, map[i].to);
nm_utils_strbuf_append_str (&b, &len, " }");
return buf;
}
static const char *
source_to_string (NMIPConfigSource source)
{
switch (source) {
case NM_IP_CONFIG_SOURCE_RTPROT_KERNEL:
return "rtprot-kernel";
case _NM_IP_CONFIG_SOURCE_RTM_F_CLONED:
return "rtm-f-cloned";
case NM_IP_CONFIG_SOURCE_KERNEL:
return "kernel";
case NM_IP_CONFIG_SOURCE_SHARED:
return "shared";
case NM_IP_CONFIG_SOURCE_IP4LL:
return "ipv4ll";
case NM_IP_CONFIG_SOURCE_PPP:
return "ppp";
case NM_IP_CONFIG_SOURCE_WWAN:
return "wwan";
case NM_IP_CONFIG_SOURCE_VPN:
return "vpn";
case NM_IP_CONFIG_SOURCE_DHCP:
return "dhcp";
case NM_IP_CONFIG_SOURCE_RDISC:
return "rdisc";
case NM_IP_CONFIG_SOURCE_USER:
return "user";
default:
break;
}
return "unknown";
}
static const char *
_lifetime_to_string (guint32 timestamp, guint32 lifetime, gint32 now, char *buf, size_t buf_size)
{
if (lifetime == NM_PLATFORM_LIFETIME_PERMANENT)
return "forever";
g_snprintf (buf, buf_size, "%usec",
nmp_utils_lifetime_rebase_relative_time_on_now (timestamp, lifetime, now, 0));
return buf;
}
static const char *
_lifetime_summary_to_string (gint32 now, guint32 timestamp, guint32 preferred, guint32 lifetime, char *buf, size_t buf_size)
{
g_snprintf (buf, buf_size, " lifetime %d-%u[%u,%u]",
(signed) now, (unsigned) timestamp, (unsigned) preferred, (unsigned) lifetime);
return buf;
}
/**
* nm_platform_link_to_string:
* @route: pointer to NMPlatformLink address structure
* @buf: (allow-none): an optional buffer. If %NULL, a static buffer is used.
* @len: the size of the @buf. If @buf is %NULL, this argument is ignored.
*
* A method for converting an link struct into a string representation.
*
* Returns: a string representation of the link.
*/
const char *
nm_platform_link_to_string (const NMPlatformLink *link, char *buf, gsize len)
{
char master[20];
char parent[20];
GString *str_flags;
char str_addrmode[30];
gs_free char *str_addr = NULL;
gs_free char *str_inet6_token = NULL;
const char *str_link_type;
if (!nm_utils_to_string_buffer_init_null (link, &buf, &len))
return buf;
str_flags = g_string_new (NULL);
if (NM_FLAGS_HAS (link->flags, IFF_NOARP))
g_string_append (str_flags, "NOARP,");
if (NM_FLAGS_HAS (link->flags, IFF_UP))
g_string_append (str_flags, "UP");
else
g_string_append (str_flags, "DOWN");
if (link->connected)
g_string_append (str_flags, ",LOWER_UP");
if (link->flags) {
char str_flags_buf[64];
nm_platform_link_flags2str (link->flags, str_flags_buf, sizeof (str_flags_buf));
g_string_append_printf (str_flags, ";%s", str_flags_buf);
}
if (link->master)
g_snprintf (master, sizeof (master), " master %d", link->master);
else
master[0] = 0;
if (link->parent > 0)
g_snprintf (parent, sizeof (parent), "@%d", link->parent);
else if (link->parent == NM_PLATFORM_LINK_OTHER_NETNS)
g_strlcpy (parent, "@other-netns", sizeof (parent));
else
parent[0] = 0;
if (link->inet6_addr_gen_mode_inv) {
switch (_nm_platform_uint8_inv (link->inet6_addr_gen_mode_inv)) {
case 0:
g_snprintf (str_addrmode, sizeof (str_addrmode), " addrgenmode eui64");
break;
case 1:
g_snprintf (str_addrmode, sizeof (str_addrmode), " addrgenmode none");
break;
default:
g_snprintf (str_addrmode, sizeof (str_addrmode), " addrgenmode %d", _nm_platform_uint8_inv (link->inet6_addr_gen_mode_inv));
break;
}
} else
str_addrmode[0] = '\0';
if (link->addr.len)
str_addr = nm_utils_hwaddr_ntoa (link->addr.data, MIN (link->addr.len, sizeof (link->addr.data)));
if (link->inet6_token.is_valid)
str_inet6_token = nm_utils_hwaddr_ntoa (&link->inet6_token.iid, sizeof (link->inet6_token.iid));
str_link_type = nm_link_type_to_string (link->type);
g_snprintf (buf, len,
"%d: " /* ifindex */
"%s" /* name */
"%s" /* parent */
" <%s>" /* flags */
" mtu %d"
"%s" /* master */
" arp %u" /* arptype */
"%s%s" /* link->type */
"%s%s" /* kind */
"%s" /* is-in-udev */
"%s" /* addr-gen-mode */
"%s%s" /* addr */
"%s%s" /* inet6_token */
"%s%s" /* driver */
,
link->ifindex,
link->name,
parent,
str_flags->str,
link->mtu, master,
link->arptype,
str_link_type ? " " : "",
str_if_set (str_link_type, "???"),
link->kind ? (g_strcmp0 (str_link_type, link->kind) ? "/" : "*") : "",
link->kind && g_strcmp0 (str_link_type, link->kind) ? link->kind : "",
link->initialized ? " init" : " not-init",
str_addrmode,
str_addr ? " addr " : "",
str_addr ? str_addr : "",
str_inet6_token ? " inet6token " : "",
str_inet6_token ? str_inet6_token : "",
link->driver ? " driver " : "",
link->driver ? link->driver : "");
g_string_free (str_flags, TRUE);
return buf;
}
const char *
nm_platform_lnk_gre_to_string (const NMPlatformLnkGre *lnk, char *buf, gsize len)
{
char str_local[30];
char str_local1[NM_UTILS_INET_ADDRSTRLEN];
char str_remote[30];
char str_remote1[NM_UTILS_INET_ADDRSTRLEN];
char str_ttl[30];
char str_tos[30];
char str_parent_ifindex[30];
char str_input_flags[30];
char str_output_flags[30];
char str_input_key[30];
char str_input_key1[NM_UTILS_INET_ADDRSTRLEN];
char str_output_key[30];
char str_output_key1[NM_UTILS_INET_ADDRSTRLEN];
if (!nm_utils_to_string_buffer_init_null (lnk, &buf, &len))
return buf;
g_snprintf (buf, len,
"gre"
"%s" /* remote */
"%s" /* local */
"%s" /* parent_ifindex */
"%s" /* ttl */
"%s" /* tos */
"%s" /* path_mtu_discovery */
"%s" /* iflags */
"%s" /* oflags */
"%s" /* ikey */
"%s" /* okey */
"",
lnk->remote ? nm_sprintf_buf (str_remote, " remote %s", nm_utils_inet4_ntop (lnk->remote, str_remote1)) : "",
lnk->local ? nm_sprintf_buf (str_local, " local %s", nm_utils_inet4_ntop (lnk->local, str_local1)) : "",
lnk->parent_ifindex ? nm_sprintf_buf (str_parent_ifindex, " dev %d", lnk->parent_ifindex) : "",
lnk->ttl ? nm_sprintf_buf (str_ttl, " ttl %u", lnk->ttl) : " ttl inherit",
lnk->tos ? (lnk->tos == 1 ? " tos inherit" : nm_sprintf_buf (str_tos, " tos 0x%x", lnk->tos)) : "",
lnk->path_mtu_discovery ? "" : " nopmtudisc",
lnk->input_flags ? nm_sprintf_buf (str_input_flags, " iflags 0x%x", lnk->input_flags) : "",
lnk->output_flags ? nm_sprintf_buf (str_output_flags, " oflags 0x%x", lnk->output_flags) : "",
NM_FLAGS_HAS (lnk->input_flags, GRE_KEY) || lnk->input_key ? nm_sprintf_buf (str_input_key, " ikey %s", nm_utils_inet4_ntop (lnk->input_key, str_input_key1)) : "",
NM_FLAGS_HAS (lnk->output_flags, GRE_KEY) || lnk->output_key ? nm_sprintf_buf (str_output_key, " okey %s", nm_utils_inet4_ntop (lnk->output_key, str_output_key1)) : "");
return buf;
}
const char *
nm_platform_lnk_infiniband_to_string (const NMPlatformLnkInfiniband *lnk, char *buf, gsize len)
{
char str_p_key[64];
if (!nm_utils_to_string_buffer_init_null (lnk, &buf, &len))
return buf;
g_snprintf (buf, len,
"infiniband"
"%s" /* p_key */
"%s%s" /* mode */
"",
lnk->p_key ? nm_sprintf_buf (str_p_key, " pkey %d", lnk->p_key) : "",
lnk->mode ? " mode " : "",
lnk->mode ?: "");
return buf;
}
const char *
nm_platform_lnk_ip6tnl_to_string (const NMPlatformLnkIp6Tnl *lnk, char *buf, gsize len)
{
char str_local[30];
char str_local1[NM_UTILS_INET_ADDRSTRLEN];
char str_remote[30];
char str_remote1[NM_UTILS_INET_ADDRSTRLEN];
char str_ttl[30];
char str_tclass[30];
char str_flow[30];
char str_encap[30];
char str_proto[30];
char str_parent_ifindex[30];
if (!nm_utils_to_string_buffer_init_null (lnk, &buf, &len))
return buf;
g_snprintf (buf, len,
"ip6tnl"
"%s" /* remote */
"%s" /* local */
"%s" /* parent_ifindex */
"%s" /* ttl */
"%s" /* tclass */
"%s" /* encap limit */
"%s" /* flow label */
"%s" /* proto */
"",
nm_sprintf_buf (str_remote, " remote %s", nm_utils_inet6_ntop (&lnk->remote, str_remote1)),
nm_sprintf_buf (str_local, " local %s", nm_utils_inet6_ntop (&lnk->local, str_local1)),
lnk->parent_ifindex ? nm_sprintf_buf (str_parent_ifindex, " dev %d", lnk->parent_ifindex) : "",
lnk->ttl ? nm_sprintf_buf (str_ttl, " ttl %u", lnk->ttl) : " ttl inherit",
lnk->tclass == 1 ? " tclass inherit" : nm_sprintf_buf (str_tclass, " tclass 0x%x", lnk->tclass),
nm_sprintf_buf (str_encap, " encap-limit %u", lnk->encap_limit),
nm_sprintf_buf (str_flow, " flow-label 0x05%x", lnk->flow_label),
nm_sprintf_buf (str_proto, " proto %u", lnk->proto));
return buf;
}
const char *
nm_platform_lnk_ipip_to_string (const NMPlatformLnkIpIp *lnk, char *buf, gsize len)
{
char str_local[30];
char str_local1[NM_UTILS_INET_ADDRSTRLEN];
char str_remote[30];
char str_remote1[NM_UTILS_INET_ADDRSTRLEN];
char str_ttl[30];
char str_tos[30];
char str_parent_ifindex[30];
if (!nm_utils_to_string_buffer_init_null (lnk, &buf, &len))
return buf;
g_snprintf (buf, len,
"ipip"
"%s" /* remote */
"%s" /* local */
"%s" /* parent_ifindex */
"%s" /* ttl */
"%s" /* tos */
"%s" /* path_mtu_discovery */
"",
lnk->remote ? nm_sprintf_buf (str_remote, " remote %s", nm_utils_inet4_ntop (lnk->remote, str_remote1)) : "",
lnk->local ? nm_sprintf_buf (str_local, " local %s", nm_utils_inet4_ntop (lnk->local, str_local1)) : "",
lnk->parent_ifindex ? nm_sprintf_buf (str_parent_ifindex, " dev %d", lnk->parent_ifindex) : "",
lnk->ttl ? nm_sprintf_buf (str_ttl, " ttl %u", lnk->ttl) : " ttl inherit",
lnk->tos ? (lnk->tos == 1 ? " tos inherit" : nm_sprintf_buf (str_tos, " tos 0x%x", lnk->tos)) : "",
lnk->path_mtu_discovery ? "" : " nopmtudisc");
return buf;
}
const char *
nm_platform_lnk_macvlan_to_string (const NMPlatformLnkMacvlan *lnk, char *buf, gsize len)
{
if (!nm_utils_to_string_buffer_init_null (lnk, &buf, &len))
return buf;
g_snprintf (buf, len,
"macvlan mode %u %s",
lnk->mode,
lnk->no_promisc ? "not-promisc" : "promisc");
return buf;
}
const char *
nm_platform_lnk_sit_to_string (const NMPlatformLnkSit *lnk, char *buf, gsize len)
{
char str_local[30];
char str_local1[NM_UTILS_INET_ADDRSTRLEN];
char str_remote[30];
char str_remote1[NM_UTILS_INET_ADDRSTRLEN];
char str_ttl[30];
char str_tos[30];
char str_flags[30];
char str_proto[30];
char str_parent_ifindex[30];
if (!nm_utils_to_string_buffer_init_null (lnk, &buf, &len))
return buf;
g_snprintf (buf, len,
"sit"
"%s" /* remote */
"%s" /* local */
"%s" /* parent_ifindex */
"%s" /* ttl */
"%s" /* tos */
"%s" /* path_mtu_discovery */
"%s" /* flags */
"%s" /* proto */
"",
lnk->remote ? nm_sprintf_buf (str_remote, " remote %s", nm_utils_inet4_ntop (lnk->remote, str_remote1)) : "",
lnk->local ? nm_sprintf_buf (str_local, " local %s", nm_utils_inet4_ntop (lnk->local, str_local1)) : "",
lnk->parent_ifindex ? nm_sprintf_buf (str_parent_ifindex, " dev %d", lnk->parent_ifindex) : "",
lnk->ttl ? nm_sprintf_buf (str_ttl, " ttl %u", lnk->ttl) : " ttl inherit",
lnk->tos ? (lnk->tos == 1 ? " tos inherit" : nm_sprintf_buf (str_tos, " tos 0x%x", lnk->tos)) : "",
lnk->path_mtu_discovery ? "" : " nopmtudisc",
lnk->flags ? nm_sprintf_buf (str_flags, " flags 0x%x", lnk->flags) : "",
lnk->proto ? nm_sprintf_buf (str_proto, " proto 0x%x", lnk->proto) : "");
return buf;
}
const char *
nm_platform_lnk_vlan_to_string (const NMPlatformLnkVlan *lnk, char *buf, gsize len)
{
char *b;
if (!nm_utils_to_string_buffer_init_null (lnk, &buf, &len))
return buf;
b = buf;
nm_utils_strbuf_append (&b, &len, "vlan %u", lnk->id);
if (lnk->flags)
nm_utils_strbuf_append (&b, &len, " flags 0x%x", lnk->flags);
return buf;
}
const char *
nm_platform_lnk_vxlan_to_string (const NMPlatformLnkVxlan *lnk, char *buf, gsize len)
{
char str_group[100];
char str_group6[100];
char str_local[100];
char str_local6[100];
char str_dev[25];
char str_limit[25];
char str_src_port[35];
char str_dst_port[25];
char str_tos[25];
char str_ttl[25];
if (!nm_utils_to_string_buffer_init_null (lnk, &buf, &len))
return buf;
if (lnk->group == 0)
str_group[0] = '\0';
else {
g_snprintf (str_group, sizeof (str_group),
" %s %s",
IN_MULTICAST (ntohl (lnk->group)) ? "group" : "remote",
nm_utils_inet4_ntop (lnk->group, NULL));
}
if (IN6_IS_ADDR_UNSPECIFIED (&lnk->group6))
str_group6[0] = '\0';
else {
g_snprintf (str_group6, sizeof (str_group6),
" %s%s %s",
IN6_IS_ADDR_MULTICAST (&lnk->group6) ? "group" : "remote",
str_group[0] ? "6" : "", /* usually, a vxlan has either v4 or v6 only. */
nm_utils_inet6_ntop (&lnk->group6, NULL));
}
if (lnk->local == 0)
str_local[0] = '\0';
else {
g_snprintf (str_local, sizeof (str_local),
" local %s",
nm_utils_inet4_ntop (lnk->local, NULL));
}
if (IN6_IS_ADDR_UNSPECIFIED (&lnk->local6))
str_local6[0] = '\0';
else {
g_snprintf (str_local6, sizeof (str_local6),
" local%s %s",
str_local[0] ? "6" : "", /* usually, a vxlan has either v4 or v6 only. */
nm_utils_inet6_ntop (&lnk->local6, NULL));
}
g_snprintf (buf, len,
"vxlan"
" id %u" /* id */
"%s%s" /* group/group6 */
"%s%s" /* local/local6 */
"%s" /* dev */
"%s" /* src_port_min/src_port_max */
"%s" /* dst_port */
"%s" /* learning */
"%s" /* proxy */
"%s" /* rsc */
"%s" /* l2miss */
"%s" /* l3miss */
"%s" /* tos */
"%s" /* ttl */
" ageing %u" /* ageing */
"%s" /* limit */
"",
(guint) lnk->id,
str_group, str_group6,
str_local, str_local6,
lnk->parent_ifindex ? nm_sprintf_buf (str_dev, " dev %d", lnk->parent_ifindex) : "",
lnk->src_port_min || lnk->src_port_max ? nm_sprintf_buf (str_src_port, " srcport %u %u", lnk->src_port_min, lnk->src_port_max) : "",
lnk->dst_port ? nm_sprintf_buf (str_dst_port, " dstport %u", lnk->dst_port) : "",
!lnk->learning ? " nolearning" : "",
lnk->proxy ? " proxy" : "",
lnk->rsc ? " rsc" : "",
lnk->l2miss ? " l2miss" : "",
lnk->l3miss ? " l3miss" : "",
lnk->tos == 1 ? " tos inherit" : nm_sprintf_buf (str_tos, " tos %#x", lnk->tos),
lnk->ttl ? nm_sprintf_buf (str_ttl, " ttl %u", lnk->ttl) : "",
lnk->ageing,
lnk->limit ? nm_sprintf_buf (str_limit, " maxaddr %u", lnk->limit) : "");
return buf;
}
/**
* nm_platform_ip4_address_to_string:
* @route: pointer to NMPlatformIP4Address address structure
* @buf: (allow-none): an optional buffer. If %NULL, a static buffer is used.
* @len: the size of the @buf. If @buf is %NULL, this argument is ignored.
*
* A method for converting an address struct into a string representation.
*
* Example output: ""
*
* Returns: a string representation of the address.
*/
const char *
nm_platform_ip4_address_to_string (const NMPlatformIP4Address *address, char *buf, gsize len)
{
char s_address[INET_ADDRSTRLEN];
char s_peer[INET_ADDRSTRLEN];
char str_dev[TO_STRING_DEV_BUF_SIZE];
char str_label[32];
char str_lft[30], str_pref[30], str_time[50];
char *str_peer = NULL;
const char *str_lft_p, *str_pref_p, *str_time_p;
gint32 now = nm_utils_get_monotonic_timestamp_s ();
if (!nm_utils_to_string_buffer_init_null (address, &buf, &len))
return buf;
inet_ntop (AF_INET, &address->address, s_address, sizeof (s_address));
if (address->peer_address != address->address) {
inet_ntop (AF_INET, &address->peer_address, s_peer, sizeof (s_peer));
str_peer = g_strconcat (" ptp ", s_peer, NULL);
}
_to_string_dev (NULL, address->ifindex, str_dev, sizeof (str_dev));
if (*address->label)
g_snprintf (str_label, sizeof (str_label), " label %s", address->label);
else
str_label[0] = 0;
str_lft_p = _lifetime_to_string (address->timestamp,
address->lifetime ? address->lifetime : NM_PLATFORM_LIFETIME_PERMANENT,
now, str_lft, sizeof (str_lft)),
str_pref_p = (address->lifetime == address->preferred)
? str_lft_p
: ( _lifetime_to_string (address->timestamp,
address->lifetime ? MIN (address->preferred, address->lifetime) : NM_PLATFORM_LIFETIME_PERMANENT,
now, str_pref, sizeof (str_pref)) );
str_time_p = _lifetime_summary_to_string (now, address->timestamp, address->preferred, address->lifetime, str_time, sizeof (str_time));
g_snprintf (buf, len,
"%s/%d lft %s pref %s%s%s%s%s src %s",
s_address, address->plen, str_lft_p, str_pref_p, str_time_p,
str_peer ? str_peer : "",
str_dev,
str_label,
source_to_string (address->source));
g_free (str_peer);
return buf;
}
NM_UTILS_FLAGS2STR_DEFINE (nm_platform_link_flags2str, unsigned,
NM_UTILS_FLAGS2STR (IFF_LOOPBACK, "loopback"),
NM_UTILS_FLAGS2STR (IFF_BROADCAST, "broadcast"),
NM_UTILS_FLAGS2STR (IFF_POINTOPOINT, "pointopoint"),
NM_UTILS_FLAGS2STR (IFF_MULTICAST, "multicast"),
NM_UTILS_FLAGS2STR (IFF_NOARP, "noarp"),
NM_UTILS_FLAGS2STR (IFF_ALLMULTI, "allmulti"),
NM_UTILS_FLAGS2STR (IFF_PROMISC, "promisc"),
NM_UTILS_FLAGS2STR (IFF_MASTER, "master"),
NM_UTILS_FLAGS2STR (IFF_SLAVE, "slave"),
NM_UTILS_FLAGS2STR (IFF_DEBUG, "debug"),
NM_UTILS_FLAGS2STR (IFF_DYNAMIC, "dynamic"),
NM_UTILS_FLAGS2STR (IFF_AUTOMEDIA, "automedia"),
NM_UTILS_FLAGS2STR (IFF_PORTSEL, "portsel"),
NM_UTILS_FLAGS2STR (IFF_NOTRAILERS, "notrailers"),
NM_UTILS_FLAGS2STR (IFF_UP, "up"),
NM_UTILS_FLAGS2STR (IFF_RUNNING, "running"),
NM_UTILS_FLAGS2STR (IFF_LOWER_UP, "lowerup"),
NM_UTILS_FLAGS2STR (IFF_DORMANT, "dormant"),
NM_UTILS_FLAGS2STR (IFF_ECHO, "echo"),
);
NM_UTILS_ENUM2STR_DEFINE (nm_platform_link_inet6_addrgenmode2str, guint8,
NM_UTILS_ENUM2STR (NM_IN6_ADDR_GEN_MODE_NONE, "none"),
NM_UTILS_ENUM2STR (NM_IN6_ADDR_GEN_MODE_EUI64, "eui64"),
NM_UTILS_ENUM2STR (NM_IN6_ADDR_GEN_MODE_STABLE_PRIVACY, "stable-privacy"),
);
NM_UTILS_FLAGS2STR_DEFINE (nm_platform_addr_flags2str, unsigned,
NM_UTILS_FLAGS2STR (IFA_F_SECONDARY, "secondary"),
NM_UTILS_FLAGS2STR (IFA_F_NODAD, "nodad"),
NM_UTILS_FLAGS2STR (IFA_F_OPTIMISTIC, "optimistic"),
NM_UTILS_FLAGS2STR (IFA_F_HOMEADDRESS, "homeaddress"),
NM_UTILS_FLAGS2STR (IFA_F_DEPRECATED, "deprecated"),
NM_UTILS_FLAGS2STR (IFA_F_TENTATIVE, "tentative"),
NM_UTILS_FLAGS2STR (IFA_F_PERMANENT, "permanent"),
NM_UTILS_FLAGS2STR (IFA_F_MANAGETEMPADDR, "mngtmpaddr"),
NM_UTILS_FLAGS2STR (IFA_F_NOPREFIXROUTE, "noprefixroute"),
);
NM_UTILS_ENUM2STR_DEFINE (nm_platform_route_scope2str, int,
NM_UTILS_ENUM2STR (RT_SCOPE_NOWHERE, "nowhere"),
NM_UTILS_ENUM2STR (RT_SCOPE_HOST, "host"),
NM_UTILS_ENUM2STR (RT_SCOPE_LINK, "link"),
NM_UTILS_ENUM2STR (RT_SCOPE_SITE, "site"),
NM_UTILS_ENUM2STR (RT_SCOPE_UNIVERSE, "global"),
);
/**
* nm_platform_ip6_address_to_string:
* @route: pointer to NMPlatformIP6Address address structure
* @buf: (allow-none): an optional buffer. If %NULL, a static buffer is used.
* @len: the size of the @buf. If @buf is %NULL, this argument is ignored.
*
* A method for converting an address struct into a string representation.
*
* Example output: "2001:db8:0:f101::1/64 lft 4294967295 pref 4294967295 time 16922666 on dev em1"
*
* Returns: a string representation of the address.
*/
const char *
nm_platform_ip6_address_to_string (const NMPlatformIP6Address *address, char *buf, gsize len)
{
#define S_FLAGS_PREFIX " flags "
char s_flags[256];
char s_address[INET6_ADDRSTRLEN];
char s_peer[INET6_ADDRSTRLEN];
char str_lft[30], str_pref[30], str_time[50];
char str_dev[TO_STRING_DEV_BUF_SIZE];
char *str_peer = NULL;
const char *str_lft_p, *str_pref_p, *str_time_p;
gint32 now = nm_utils_get_monotonic_timestamp_s ();
if (!nm_utils_to_string_buffer_init_null (address, &buf, &len))
return buf;
inet_ntop (AF_INET6, &address->address, s_address, sizeof (s_address));
if (!IN6_IS_ADDR_UNSPECIFIED (&address->peer_address)) {
inet_ntop (AF_INET6, &address->peer_address, s_peer, sizeof (s_peer));
str_peer = g_strconcat (" ptp ", s_peer, NULL);
}
_to_string_dev (NULL, address->ifindex, str_dev, sizeof (str_dev));
nm_platform_addr_flags2str (address->flags, &s_flags[STRLEN (S_FLAGS_PREFIX)], sizeof (s_flags) - STRLEN (S_FLAGS_PREFIX));
if (s_flags[STRLEN (S_FLAGS_PREFIX)] == '\0')
s_flags[0] = '\0';
else
memcpy (s_flags, S_FLAGS_PREFIX, STRLEN (S_FLAGS_PREFIX));
str_lft_p = _lifetime_to_string (address->timestamp,
address->lifetime ? address->lifetime : NM_PLATFORM_LIFETIME_PERMANENT,
now, str_lft, sizeof (str_lft)),
str_pref_p = (address->lifetime == address->preferred)
? str_lft_p
: ( _lifetime_to_string (address->timestamp,
address->lifetime ? MIN (address->preferred, address->lifetime) : NM_PLATFORM_LIFETIME_PERMANENT,
now, str_pref, sizeof (str_pref)) );
str_time_p = _lifetime_summary_to_string (now, address->timestamp, address->preferred, address->lifetime, str_time, sizeof (str_time));
g_snprintf (buf, len,
"%s/%d lft %s pref %s%s%s%s%s src %s",
s_address, address->plen, str_lft_p, str_pref_p, str_time_p,
str_peer ? str_peer : "",
str_dev,
s_flags,
source_to_string (address->source));
g_free (str_peer);
return buf;
}
/**
* nm_platform_ip4_route_to_string:
* @route: pointer to NMPlatformIP4Route route structure
* @buf: (allow-none): an optional buffer. If %NULL, a static buffer is used.
* @len: the size of the @buf. If @buf is %NULL, this argument is ignored.
*
* A method for converting a route struct into a string representation.
*
* Example output: "192.168.1.0/24 via 0.0.0.0 dev em1 metric 0 mss 0"
*
* Returns: a string representation of the route.
*/
const char *
nm_platform_ip4_route_to_string (const NMPlatformIP4Route *route, char *buf, gsize len)
{
char s_network[INET_ADDRSTRLEN], s_gateway[INET_ADDRSTRLEN];
char s_pref_src[INET_ADDRSTRLEN];
char str_dev[TO_STRING_DEV_BUF_SIZE];
char str_scope[30];
if (!nm_utils_to_string_buffer_init_null (route, &buf, &len))
return buf;
inet_ntop (AF_INET, &route->network, s_network, sizeof(s_network));
inet_ntop (AF_INET, &route->gateway, s_gateway, sizeof(s_gateway));
_to_string_dev (NULL, route->ifindex, str_dev, sizeof (str_dev));
g_snprintf (buf, len,
"%s/%d"
" via %s"
"%s"
" metric %"G_GUINT32_FORMAT
" mss %"G_GUINT32_FORMAT
" src %s" /* source */
"%s%s" /* scope */
"%s%s" /* pref-src */
"",
s_network, route->plen,
s_gateway,
str_dev,
route->metric,
route->mss,
source_to_string (route->source),
route->scope_inv ? " scope " : "",
route->scope_inv ? (nm_platform_route_scope2str (nm_platform_route_scope_inv (route->scope_inv), str_scope, sizeof (str_scope))) : "",
route->pref_src ? " pref-src " : "",
route->pref_src ? inet_ntop (AF_INET, &route->pref_src, s_pref_src, sizeof(s_pref_src)) : "");
return buf;
}
/**
* nm_platform_ip6_route_to_string:
* @route: pointer to NMPlatformIP6Route route structure
* @buf: (allow-none): an optional buffer. If %NULL, a static buffer is used.
* @len: the size of the @buf. If @buf is %NULL, this argument is ignored.
*
* A method for converting a route struct into a string representation.
*
* Example output: "ff02::fb/128 via :: dev em1 metric 0"
*
* Returns: a string representation of the route.
*/
const char *
nm_platform_ip6_route_to_string (const NMPlatformIP6Route *route, char *buf, gsize len)
{
char s_network[INET6_ADDRSTRLEN], s_gateway[INET6_ADDRSTRLEN];
char str_dev[TO_STRING_DEV_BUF_SIZE];
if (!nm_utils_to_string_buffer_init_null (route, &buf, &len))
return buf;
inet_ntop (AF_INET6, &route->network, s_network, sizeof(s_network));
inet_ntop (AF_INET6, &route->gateway, s_gateway, sizeof(s_gateway));
_to_string_dev (NULL, route->ifindex, str_dev, sizeof (str_dev));
g_snprintf (buf, len,
"%s/%d"
" via %s"
"%s"
" metric %"G_GUINT32_FORMAT
" mss %"G_GUINT32_FORMAT
" src %s" /* source */
"",
s_network, route->plen,
s_gateway,
str_dev,
route->metric,
route->mss,
source_to_string (route->source));
return buf;
}
#define _CMP_SELF(a, b) \
G_STMT_START { \
if ((a) == (b)) \
return 0; \
if (!(a)) \
return -1; \
if (!(b)) \
return 1; \
} G_STMT_END
#define _CMP_DIRECT(a, b) \
G_STMT_START { \
if ((a) != (b)) \
return ((a) < (b)) ? -1 : 1; \
} G_STMT_END
#define _CMP_DIRECT_MEMCMP(a, b, size) \
G_STMT_START { \
int c = memcmp ((a), (b), (size)); \
if (c != 0) \
return c < 0 ? -1 : 1; \
} G_STMT_END
#define _CMP_FIELD(a, b, field) \
G_STMT_START { \
if (((a)->field) != ((b)->field)) \
return (((a)->field) < ((b)->field)) ? -1 : 1; \
} G_STMT_END
#define _CMP_FIELD_BOOL(a, b, field) \
G_STMT_START { \
if ((!((a)->field)) != (!((b)->field))) \
return ((!((a)->field)) < (!((b)->field))) ? -1 : 1; \
} G_STMT_END
#define _CMP_FIELD_STR(a, b, field) \
G_STMT_START { \
int c = strcmp ((a)->field, (b)->field); \
if (c != 0) \
return c < 0 ? -1 : 1; \
} G_STMT_END
#define _CMP_FIELD_STR_INTERNED(a, b, field) \
G_STMT_START { \
if (((a)->field) != ((b)->field)) { \
/* just to be sure, also do a strcmp() if the pointers don't match */ \
int c = g_strcmp0 ((a)->field, (b)->field); \
if (c != 0) \
return c < 0 ? -1 : 1; \
} \
} G_STMT_END
#define _CMP_FIELD_STR0(a, b, field) \
G_STMT_START { \
int c = g_strcmp0 ((a)->field, (b)->field); \
if (c != 0) \
return c < 0 ? -1 : 1; \
} G_STMT_END
#define _CMP_FIELD_MEMCMP_LEN(a, b, field, len) \
G_STMT_START { \
int c = memcmp (&((a)->field), &((b)->field), \
MIN (len, sizeof ((a)->field))); \
if (c != 0) \
return c < 0 ? -1 : 1; \
} G_STMT_END
#define _CMP_FIELD_MEMCMP(a, b, field) \
G_STMT_START { \
int c = memcmp (&((a)->field), &((b)->field), \
sizeof ((a)->field)); \
if (c != 0) \
return c < 0 ? -1 : 1; \
} G_STMT_END
int
nm_platform_link_cmp (const NMPlatformLink *a, const NMPlatformLink *b)
{
_CMP_SELF (a, b);
_CMP_FIELD (a, b, ifindex);
_CMP_FIELD (a, b, type);
_CMP_FIELD_STR (a, b, name);
_CMP_FIELD (a, b, master);
_CMP_FIELD (a, b, parent);
_CMP_FIELD (a, b, flags);
_CMP_FIELD (a, b, connected);
_CMP_FIELD (a, b, mtu);
_CMP_FIELD_BOOL (a, b, initialized);
_CMP_FIELD (a, b, arptype);
_CMP_FIELD (a, b, addr.len);
_CMP_FIELD (a, b, inet6_addr_gen_mode_inv);
_CMP_FIELD (a, b, inet6_token.is_valid);
_CMP_FIELD_STR_INTERNED (a, b, kind);
_CMP_FIELD_STR_INTERNED (a, b, driver);
if (a->addr.len)
_CMP_FIELD_MEMCMP_LEN (a, b, addr.data, a->addr.len);
if (a->inet6_token.is_valid)
_CMP_FIELD_MEMCMP (a, b, inet6_token.iid);
return 0;
}
int
nm_platform_lnk_gre_cmp (const NMPlatformLnkGre *a, const NMPlatformLnkGre *b)
{
_CMP_SELF (a, b);
_CMP_FIELD (a, b, parent_ifindex);
_CMP_FIELD (a, b, input_flags);
_CMP_FIELD (a, b, output_flags);
_CMP_FIELD (a, b, input_key);
_CMP_FIELD (a, b, output_key);
_CMP_FIELD (a, b, local);
_CMP_FIELD (a, b, remote);
_CMP_FIELD (a, b, ttl);
_CMP_FIELD (a, b, tos);
_CMP_FIELD_BOOL (a, b, path_mtu_discovery);
return 0;
}
int
nm_platform_lnk_infiniband_cmp (const NMPlatformLnkInfiniband *a, const NMPlatformLnkInfiniband *b)
{
_CMP_SELF (a, b);
_CMP_FIELD (a, b, p_key);
_CMP_FIELD_STR_INTERNED (a, b, mode);
return 0;
}
int
nm_platform_lnk_ip6tnl_cmp (const NMPlatformLnkIp6Tnl *a, const NMPlatformLnkIp6Tnl *b)
{
_CMP_SELF (a, b);
_CMP_FIELD (a, b, parent_ifindex);
_CMP_FIELD_MEMCMP (a, b, local);
_CMP_FIELD_MEMCMP (a, b, remote);
_CMP_FIELD (a, b, ttl);
_CMP_FIELD (a, b, tclass);
_CMP_FIELD (a, b, encap_limit);
_CMP_FIELD (a, b, flow_label);
_CMP_FIELD (a, b, proto);
return 0;
}
int
nm_platform_lnk_ipip_cmp (const NMPlatformLnkIpIp *a, const NMPlatformLnkIpIp *b)
{
_CMP_SELF (a, b);
_CMP_FIELD (a, b, parent_ifindex);
_CMP_FIELD (a, b, local);
_CMP_FIELD (a, b, remote);
_CMP_FIELD (a, b, ttl);
_CMP_FIELD (a, b, tos);
_CMP_FIELD_BOOL (a, b, path_mtu_discovery);
return 0;
}
int
nm_platform_lnk_macvlan_cmp (const NMPlatformLnkMacvlan *a, const NMPlatformLnkMacvlan *b)
{
_CMP_SELF (a, b);
_CMP_FIELD (a, b, mode);
_CMP_FIELD_BOOL (a, b, no_promisc);
return 0;
}
int
nm_platform_lnk_sit_cmp (const NMPlatformLnkSit *a, const NMPlatformLnkSit *b)
{
_CMP_SELF (a, b);
_CMP_FIELD (a, b, parent_ifindex);
_CMP_FIELD (a, b, local);
_CMP_FIELD (a, b, remote);
_CMP_FIELD (a, b, ttl);
_CMP_FIELD (a, b, tos);
_CMP_FIELD_BOOL (a, b, path_mtu_discovery);
_CMP_FIELD (a, b, flags);
_CMP_FIELD (a, b, proto);
return 0;
}
int
nm_platform_lnk_vlan_cmp (const NMPlatformLnkVlan *a, const NMPlatformLnkVlan *b)
{
_CMP_SELF (a, b);
_CMP_FIELD (a, b, id);
_CMP_FIELD (a, b, flags);
return 0;
}
int
nm_platform_lnk_vxlan_cmp (const NMPlatformLnkVxlan *a, const NMPlatformLnkVxlan *b)
{
_CMP_SELF (a, b);
_CMP_FIELD (a, b, parent_ifindex);
_CMP_FIELD (a, b, id);
_CMP_FIELD (a, b, group);
_CMP_FIELD (a, b, local);
_CMP_FIELD_MEMCMP (a, b, group6);
_CMP_FIELD_MEMCMP (a, b, local6);
_CMP_FIELD (a, b, tos);
_CMP_FIELD (a, b, ttl);
_CMP_FIELD_BOOL (a, b, learning);
_CMP_FIELD (a, b, ageing);
_CMP_FIELD (a, b, limit);
_CMP_FIELD (a, b, dst_port);
_CMP_FIELD (a, b, src_port_min);
_CMP_FIELD (a, b, src_port_max);
_CMP_FIELD_BOOL (a, b, proxy);
_CMP_FIELD_BOOL (a, b, rsc);
_CMP_FIELD_BOOL (a, b, l2miss);
_CMP_FIELD_BOOL (a, b, l3miss);
return 0;
}
int
nm_platform_ip4_address_cmp (const NMPlatformIP4Address *a, const NMPlatformIP4Address *b)
{
_CMP_SELF (a, b);
_CMP_FIELD (a, b, ifindex);
_CMP_FIELD (a, b, source);
_CMP_FIELD (a, b, address);
_CMP_FIELD (a, b, plen);
_CMP_FIELD (a, b, peer_address);
_CMP_FIELD (a, b, timestamp);
_CMP_FIELD (a, b, lifetime);
_CMP_FIELD (a, b, preferred);
_CMP_FIELD_STR (a, b, label);
return 0;
}
int
nm_platform_ip6_address_cmp (const NMPlatformIP6Address *a, const NMPlatformIP6Address *b)
{
const struct in6_addr *p_a, *p_b;
_CMP_SELF (a, b);
_CMP_FIELD (a, b, ifindex);
_CMP_FIELD (a, b, source);
_CMP_FIELD_MEMCMP (a, b, address);
p_a = nm_platform_ip6_address_get_peer (a);
p_b = nm_platform_ip6_address_get_peer (b);
_CMP_DIRECT_MEMCMP (p_a, p_b, sizeof (*p_a));
_CMP_FIELD (a, b, plen);
_CMP_FIELD (a, b, timestamp);
_CMP_FIELD (a, b, lifetime);
_CMP_FIELD (a, b, preferred);
_CMP_FIELD (a, b, flags);
return 0;
}
int
nm_platform_ip4_route_cmp (const NMPlatformIP4Route *a, const NMPlatformIP4Route *b)
{
_CMP_SELF (a, b);
_CMP_FIELD (a, b, ifindex);
_CMP_FIELD (a, b, source);
_CMP_FIELD (a, b, network);
_CMP_FIELD (a, b, plen);
_CMP_FIELD (a, b, gateway);
_CMP_FIELD (a, b, metric);
_CMP_FIELD (a, b, mss);
_CMP_FIELD (a, b, scope_inv);
_CMP_FIELD (a, b, pref_src);
return 0;
}
int
nm_platform_ip6_route_cmp (const NMPlatformIP6Route *a, const NMPlatformIP6Route *b)
{
_CMP_SELF (a, b);
_CMP_FIELD (a, b, ifindex);
_CMP_FIELD (a, b, source);
_CMP_FIELD_MEMCMP (a, b, network);
_CMP_FIELD (a, b, plen);
_CMP_FIELD_MEMCMP (a, b, gateway);
_CMP_FIELD (a, b, metric);
_CMP_FIELD (a, b, mss);
return 0;
}
/**
* nm_platform_ip_address_cmp_expiry:
* @a: a NMPlatformIPAddress to compare
* @b: the other NMPlatformIPAddress to compare
*
* Compares two addresses and returns which one has a longer remaining lifetime.
* If both addresses have the same lifetime, look at the remaining preferred time.
*
* For comparison, only the timestamp, lifetime and preferred fields are considered.
* If they compare equal (== 0), their other fields were not considered.
*
* Returns: -1, 0, or 1 according to the comparison
**/
int
nm_platform_ip_address_cmp_expiry (const NMPlatformIPAddress *a, const NMPlatformIPAddress *b)
{
gint64 ta = 0, tb = 0;
_CMP_SELF (a, b);
if (a->lifetime == NM_PLATFORM_LIFETIME_PERMANENT || a->lifetime == 0)
ta = G_MAXINT64;
else if (a->timestamp)
ta = ((gint64) a->timestamp) + a->lifetime;
if (b->lifetime == NM_PLATFORM_LIFETIME_PERMANENT || b->lifetime == 0)
tb = G_MAXINT64;
else if (b->timestamp)
tb = ((gint64) b->timestamp) + b->lifetime;
if (ta == tb) {
/* if the lifetime is equal, compare the preferred time. */
ta = tb = 0;
if (a->preferred == NM_PLATFORM_LIFETIME_PERMANENT || a->lifetime == 0 /* liftime==0 means permanent! */)
ta = G_MAXINT64;
else if (a->timestamp)
ta = ((gint64) a->timestamp) + a->preferred;
if (b->preferred == NM_PLATFORM_LIFETIME_PERMANENT|| b->lifetime == 0)
tb = G_MAXINT64;
else if (b->timestamp)
tb = ((gint64) b->timestamp) + b->preferred;
if (ta == tb)
return 0;
}
return ta < tb ? -1 : 1;
}
const char *
nm_platform_signal_change_type_to_string (NMPlatformSignalChangeType change_type)
{
switch (change_type) {
case NM_PLATFORM_SIGNAL_ADDED:
return "added";
case NM_PLATFORM_SIGNAL_CHANGED:
return "changed";
case NM_PLATFORM_SIGNAL_REMOVED:
return "removed";
default:
g_return_val_if_reached ("UNKNOWN");
}
}
static void
log_link (NMPlatform *self, NMPObjectType obj_type, int ifindex, NMPlatformLink *device, NMPlatformSignalChangeType change_type, gpointer user_data)
{
_LOGD ("signal: link %7s: %s", nm_platform_signal_change_type_to_string (change_type), nm_platform_link_to_string (device, NULL, 0));
}
static void
log_ip4_address (NMPlatform *self, NMPObjectType obj_type, int ifindex, NMPlatformIP4Address *address, NMPlatformSignalChangeType change_type, gpointer user_data)
{
_LOGD ("signal: address 4 %7s: %s", nm_platform_signal_change_type_to_string (change_type), nm_platform_ip4_address_to_string (address, NULL, 0));
}
static void
log_ip6_address (NMPlatform *self, NMPObjectType obj_type, int ifindex, NMPlatformIP6Address *address, NMPlatformSignalChangeType change_type, gpointer user_data)
{
_LOGD ("signal: address 6 %7s: %s", nm_platform_signal_change_type_to_string (change_type), nm_platform_ip6_address_to_string (address, NULL, 0));
}
static void
log_ip4_route (NMPlatform *self, NMPObjectType obj_type, int ifindex, NMPlatformIP4Route *route, NMPlatformSignalChangeType change_type, gpointer user_data)
{
_LOGD ("signal: route 4 %7s: %s", nm_platform_signal_change_type_to_string (change_type), nm_platform_ip4_route_to_string (route, NULL, 0));
}
static void
log_ip6_route (NMPlatform *self, NMPObjectType obj_type, int ifindex, NMPlatformIP6Route *route, NMPlatformSignalChangeType change_type, gpointer user_data)
{
_LOGD ("signal: route 6 %7s: %s", nm_platform_signal_change_type_to_string (change_type), nm_platform_ip6_route_to_string (route, NULL, 0));
}
/******************************************************************/
static gboolean
_vtr_v4_route_add (NMPlatform *self, int ifindex, const NMPlatformIPXRoute *route, gint64 metric)
{
return nm_platform_ip4_route_add (self,
ifindex > 0 ? ifindex : route->rx.ifindex,
route->rx.source,
route->r4.network,
route->rx.plen,
route->r4.gateway,
route->r4.pref_src,
metric >= 0 ? (guint32) metric : route->rx.metric,
route->rx.mss);
}
static gboolean
_vtr_v6_route_add (NMPlatform *self, int ifindex, const NMPlatformIPXRoute *route, gint64 metric)
{
return nm_platform_ip6_route_add (self,
ifindex > 0 ? ifindex : route->rx.ifindex,
route->rx.source,
route->r6.network,
route->rx.plen,
route->r6.gateway,
metric >= 0 ? (guint32) metric : route->rx.metric,
route->rx.mss);
}
static gboolean
_vtr_v4_route_delete (NMPlatform *self, int ifindex, const NMPlatformIPXRoute *route)
{
return nm_platform_ip4_route_delete (self,
ifindex > 0 ? ifindex : route->rx.ifindex,
route->r4.network,
route->rx.plen,
route->rx.metric);
}
static gboolean
_vtr_v6_route_delete (NMPlatform *self, int ifindex, const NMPlatformIPXRoute *route)
{
return nm_platform_ip6_route_delete (self,
ifindex > 0 ? ifindex : route->rx.ifindex,
route->r6.network,
route->rx.plen,
route->rx.metric);
}
static guint32
_vtr_v4_metric_normalize (guint32 metric)
{
return metric;
}
static gboolean
_vtr_v4_route_delete_default (NMPlatform *self, int ifindex, guint32 metric)
{
return nm_platform_ip4_route_delete (self, ifindex, 0, 0, metric);
}
static gboolean
_vtr_v6_route_delete_default (NMPlatform *self, int ifindex, guint32 metric)
{
return nm_platform_ip6_route_delete (self, ifindex, in6addr_any, 0, metric);
}
/******************************************************************/
const NMPlatformVTableRoute nm_platform_vtable_route_v4 = {
.is_ip4 = TRUE,
.addr_family = AF_INET,
.sizeof_route = sizeof (NMPlatformIP4Route),
.route_cmp = (int (*) (const NMPlatformIPXRoute *a, const NMPlatformIPXRoute *b)) nm_platform_ip4_route_cmp,
.route_to_string = (const char *(*) (const NMPlatformIPXRoute *route, char *buf, gsize len)) nm_platform_ip4_route_to_string,
.route_get_all = nm_platform_ip4_route_get_all,
.route_add = _vtr_v4_route_add,
.route_delete = _vtr_v4_route_delete,
.route_delete_default = _vtr_v4_route_delete_default,
.metric_normalize = _vtr_v4_metric_normalize,
};
const NMPlatformVTableRoute nm_platform_vtable_route_v6 = {
.is_ip4 = FALSE,
.addr_family = AF_INET6,
.sizeof_route = sizeof (NMPlatformIP6Route),
.route_cmp = (int (*) (const NMPlatformIPXRoute *a, const NMPlatformIPXRoute *b)) nm_platform_ip6_route_cmp,
.route_to_string = (const char *(*) (const NMPlatformIPXRoute *route, char *buf, gsize len)) nm_platform_ip6_route_to_string,
.route_get_all = nm_platform_ip6_route_get_all,
.route_add = _vtr_v6_route_add,
.route_delete = _vtr_v6_route_delete,
.route_delete_default = _vtr_v6_route_delete_default,
.metric_normalize = nm_utils_ip6_route_metric_normalize,
};
/******************************************************************/
static void
set_property (GObject *object, guint prop_id,
const GValue *value, GParamSpec *pspec)
{
NMPlatformPrivate *priv = NM_PLATFORM_GET_PRIVATE (object);
switch (prop_id) {
case PROP_REGISTER_SINGLETON:
/* construct-only */
priv->register_singleton = g_value_get_boolean (value);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
constructed (GObject *object)
{
NMPlatform *self = NM_PLATFORM (object);
NMPlatformPrivate *priv = NM_PLATFORM_GET_PRIVATE (self);
G_OBJECT_CLASS (nm_platform_parent_class)->constructed (object);
if (priv->register_singleton)
nm_platform_setup (self);
}
static void
nm_platform_init (NMPlatform *object)
{
}
static void
nm_platform_class_init (NMPlatformClass *platform_class)
{
GObjectClass *object_class = G_OBJECT_CLASS (platform_class);
g_type_class_add_private (object_class, sizeof (NMPlatformPrivate));
object_class->set_property = set_property;
object_class->constructed = constructed;
platform_class->wifi_set_powersave = wifi_set_powersave;
g_object_class_install_property
(object_class, PROP_REGISTER_SINGLETON,
g_param_spec_boolean (NM_PLATFORM_REGISTER_SINGLETON, "", "",
FALSE,
G_PARAM_WRITABLE |
G_PARAM_CONSTRUCT_ONLY |
G_PARAM_STATIC_STRINGS));
#define SIGNAL(signal, signal_id, method) \
G_STMT_START { \
signals[signal] = \
g_signal_new_class_handler (""signal_id"", \
G_OBJECT_CLASS_TYPE (object_class), \
G_SIGNAL_RUN_FIRST, \
G_CALLBACK (method), \
NULL, NULL, NULL, \
G_TYPE_NONE, 4, NM_TYPE_POBJECT_TYPE, G_TYPE_INT, G_TYPE_POINTER, NM_TYPE_PLATFORM_SIGNAL_CHANGE_TYPE); \
} G_STMT_END
/* Signals */
SIGNAL (NM_PLATFORM_SIGNAL_ID_LINK, NM_PLATFORM_SIGNAL_LINK_CHANGED, log_link);
SIGNAL (NM_PLATFORM_SIGNAL_ID_IP4_ADDRESS, NM_PLATFORM_SIGNAL_IP4_ADDRESS_CHANGED, log_ip4_address);
SIGNAL (NM_PLATFORM_SIGNAL_ID_IP6_ADDRESS, NM_PLATFORM_SIGNAL_IP6_ADDRESS_CHANGED, log_ip6_address);
SIGNAL (NM_PLATFORM_SIGNAL_ID_IP4_ROUTE, NM_PLATFORM_SIGNAL_IP4_ROUTE_CHANGED, log_ip4_route);
SIGNAL (NM_PLATFORM_SIGNAL_ID_IP6_ROUTE, NM_PLATFORM_SIGNAL_IP6_ROUTE_CHANGED, log_ip6_route);
}
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