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platform: clear temporary addresses early during nm_platform_ip6_address_sync()

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Temporary addresses (RFC4941) are not handled by NetworkManager directly, but by
kernel. If they are in the @known_addresses list, clear them out early.
They shall be ignored.
This commit is contained in:
Thomas Haller 2018-02-08 13:38:47 +01:00
parent d5a51a1ad2
commit f2c4720bca
1 changed files with 30 additions and 17 deletions
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47
src/platform/nm-platform.c
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@ -3159,20 +3159,30 @@ _addr_array_clean_expired (int addr_family, int ifindex, GPtrArray *array, guint
} }
#endif #endif
if (nm_utils_lifetime_get (a->timestamp, a->lifetime, a->preferred, if (NM_FLAGS_HAS (a->n_ifa_flags, IFA_F_SECONDARY)) {
now, NULL)) { /* temporary addresses are never added explicitly by NetworkManager but
if (idx) { * kernel adds them via mngtempaddr flag.
if (G_UNLIKELY (!*idx)) { *
*idx = g_hash_table_new ((GHashFunc) nmp_object_id_hash, * We drop them from this list. */
(GEqualFunc) nmp_object_id_equal); goto clear_and_next;
}
if (!g_hash_table_add (*idx, (gpointer) NMP_OBJECT_UP_CAST (a)))
nm_assert_not_reached ();
}
any_addrs = TRUE;
continue;
} }
if (!nm_utils_lifetime_get (a->timestamp, a->lifetime, a->preferred,
now, NULL))
goto clear_and_next;
if (idx) {
if (G_UNLIKELY (!*idx)) {
*idx = g_hash_table_new ((GHashFunc) nmp_object_id_hash,
(GEqualFunc) nmp_object_id_equal);
}
if (!g_hash_table_add (*idx, (gpointer) NMP_OBJECT_UP_CAST (a)))
nm_assert_not_reached ();
}
any_addrs = TRUE;
continue;
clear_and_next:
nmp_object_unref (g_steal_pointer (&array->pdata[i])); nmp_object_unref (g_steal_pointer (&array->pdata[i]));
} }
@ -3562,6 +3572,10 @@ nm_platform_ip6_address_sync (NMPlatform *self,
if (keep_link_local && IN6_IS_ADDR_LINKLOCAL (&address->address)) if (keep_link_local && IN6_IS_ADDR_LINKLOCAL (&address->address))
continue; continue;
/* FIXME: handle temporary addresses better */
if (NM_FLAGS_HAS (address->n_ifa_flags, IFA_F_SECONDARY))
continue;
position = array_ip6_address_position (known_addresses, address, now, FALSE); position = array_ip6_address_position (known_addresses, address, now, FALSE);
if (position < 0) { if (position < 0) {
nm_platform_ip6_address_delete (self, ifindex, address->address, address->plen); nm_platform_ip6_address_delete (self, ifindex, address->address, address->plen);
@ -3581,6 +3595,10 @@ nm_platform_ip6_address_sync (NMPlatform *self,
if (IN6_IS_ADDR_LINKLOCAL (&address->address)) if (IN6_IS_ADDR_LINKLOCAL (&address->address))
continue; continue;
/* FIXME: handle temporary addresses better */
if (NM_FLAGS_HAS (address->n_ifa_flags, IFA_F_SECONDARY))
continue;
if ( remove if ( remove
|| position != array_ip6_address_position (known_addresses, || position != array_ip6_address_position (known_addresses,
address, address,
@ -3611,11 +3629,6 @@ nm_platform_ip6_address_sync (NMPlatform *self,
if (!known_address) if (!known_address)
continue; continue;
if (NM_FLAGS_HAS (known_address->n_ifa_flags, IFA_F_SECONDARY)) {
/* Kernel manages these */
continue;
}
lifetime = nm_utils_lifetime_get (known_address->timestamp, known_address->lifetime, known_address->preferred, lifetime = nm_utils_lifetime_get (known_address->timestamp, known_address->lifetime, known_address->preferred,
now, &preferred); now, &preferred);