diff options
Diffstat (limited to 'src/network/networkd-dhcp6.c')
-rw-r--r-- | src/network/networkd-dhcp6.c | 325 |
1 files changed, 0 insertions, 325 deletions
diff --git a/src/network/networkd-dhcp6.c b/src/network/networkd-dhcp6.c deleted file mode 100644 index e863f4b347..0000000000 --- a/src/network/networkd-dhcp6.c +++ /dev/null @@ -1,325 +0,0 @@ -/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/ - -/*** - This file is part of systemd. - - Copyright (C) 2014 Intel Corporation. All rights reserved. - - systemd is free software; you can redistribute it and/or modify it - under the terms of the GNU Lesser General Public License as published by - the Free Software Foundation; either version 2.1 of the License, or - (at your option) any later version. - - systemd 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 - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public License - along with systemd; If not, see <http://www.gnu.org/licenses/>. -***/ - -#include <netinet/ether.h> -#include <linux/if.h> - -#include "networkd-link.h" -#include "network-internal.h" - -#include "sd-icmp6-nd.h" -#include "sd-dhcp6-client.h" - -static int dhcp6_lease_information_acquired(sd_dhcp6_client *client, - Link *link) { - return 0; -} - -static int dhcp6_address_handler(sd_rtnl *rtnl, sd_rtnl_message *m, - void *userdata) { - _cleanup_link_unref_ Link *link = userdata; - int r; - - assert(link); - - r = sd_rtnl_message_get_errno(m); - if (r < 0 && r != -EEXIST) { - log_link_error(link, "Could not set DHCPv6 address: %s", - strerror(-r)); - - link_enter_failed(link); - - } else if (r >= 0) - link_rtnl_process_address(rtnl, m, link->manager); - - return 1; -} - -static int dhcp6_address_update(Link *link, struct in6_addr *ip6_addr, - uint8_t prefixlen, uint32_t lifetime_preferred, - uint32_t lifetime_valid) { - int r; - _cleanup_address_free_ Address *addr = NULL; - - r = address_new_dynamic(&addr); - if (r < 0) - return r; - - addr->family = AF_INET6; - memcpy(&addr->in_addr.in6, ip6_addr, sizeof(*ip6_addr)); - - addr->flags = IFA_F_NOPREFIXROUTE; - addr->prefixlen = 64; - - addr->cinfo.ifa_prefered = lifetime_preferred; - addr->cinfo.ifa_valid = lifetime_valid; - - log_link_struct(link, LOG_INFO, "MESSAGE=%-*s: DHCPv6 address "SD_ICMP6_ADDRESS_FORMAT_STR"/%d timeout preferred %d valid %d", - IFNAMSIZ, - link->ifname, SD_ICMP6_ADDRESS_FORMAT_VAL(addr->in_addr.in6), - addr->prefixlen, lifetime_preferred, lifetime_valid, - NULL); - - r = address_update(addr, link, dhcp6_address_handler); - if (r < 0) - log_link_warning(link, "Could not assign DHCPv6 address: %s", - strerror(-r)); - - return r; -} - -static int dhcp6_lease_address_acquired(sd_dhcp6_client *client, Link *link) { - int r; - sd_dhcp6_lease *lease; - struct in6_addr ip6_addr; - uint32_t lifetime_preferred, lifetime_valid; - uint8_t prefixlen; - - r = sd_dhcp6_client_get_lease(client, &lease); - if (r < 0) - return r; - - sd_dhcp6_lease_reset_address_iter(lease); - - while (sd_dhcp6_lease_get_address(lease, &ip6_addr, - &lifetime_preferred, - &lifetime_valid) >= 0) { - - r = sd_icmp6_ra_get_prefixlen(link->icmp6_router_discovery, - &ip6_addr, &prefixlen); - if (r < 0 && r != -EADDRNOTAVAIL) { - log_link_warning(link, "Could not get prefix information: %s", - strerror(-r)); - return r; - } - - if (r == -EADDRNOTAVAIL) - prefixlen = 128; - - r = dhcp6_address_update(link, &ip6_addr, prefixlen, - lifetime_preferred, lifetime_valid); - if (r < 0) - return r; - } - - return 0; -} - -static void dhcp6_handler(sd_dhcp6_client *client, int event, void *userdata) { - int r; - Link *link = userdata; - - assert(link); - assert(link->network); - assert(link->manager); - - if (IN_SET(link->state, LINK_STATE_FAILED, LINK_STATE_LINGER)) - return; - - switch(event) { - case DHCP6_EVENT_STOP: - case DHCP6_EVENT_RESEND_EXPIRE: - case DHCP6_EVENT_RETRANS_MAX: - log_link_debug(link, "DHCPv6 event %d", event); - break; - - case DHCP6_EVENT_IP_ACQUIRE: - r = dhcp6_lease_address_acquired(client, link); - if (r < 0) { - link_enter_failed(link); - return; - } - - /* fall through */ - case DHCP6_EVENT_INFORMATION_REQUEST: - r = dhcp6_lease_information_acquired(client, link); - if (r < 0) { - link_enter_failed(link); - return; - } - - break; - - default: - if (event < 0) - log_link_warning(link, "DHCPv6 error: %s", - strerror(-event)); - else - log_link_warning(link, "DHCPv6 unknown event: %d", - event); - return; - } -} - -static int dhcp6_configure(Link *link, int event) { - int r; - bool information_request; - - assert_return(link, -EINVAL); - - if (link->dhcp6_client) { - if (event != ICMP6_EVENT_ROUTER_ADVERTISMENT_MANAGED) - return 0; - - r = sd_dhcp6_client_get_information_request(link->dhcp6_client, - &information_request); - if (r < 0) { - log_link_warning(link, "Could not get DHCPv6 Information request setting: %s", - strerror(-r)); - link->dhcp6_client = - sd_dhcp6_client_unref(link->dhcp6_client); - return r; - } - - if (!information_request) - return r; - - r = sd_dhcp6_client_set_information_request(link->dhcp6_client, - false); - if (r < 0) { - log_link_warning(link, "Could not unset DHCPv6 Information request: %s", - strerror(-r)); - link->dhcp6_client = - sd_dhcp6_client_unref(link->dhcp6_client); - return r; - } - - r = sd_dhcp6_client_start(link->dhcp6_client); - if (r < 0) { - log_link_warning(link, "Could not restart DHCPv6 after enabling Information request: %s", - strerror(-r)); - link->dhcp6_client = - sd_dhcp6_client_unref(link->dhcp6_client); - return r; - } - - return r; - } - - r = sd_dhcp6_client_new(&link->dhcp6_client); - if (r < 0) - return r; - - r = sd_dhcp6_client_attach_event(link->dhcp6_client, NULL, 0); - if (r < 0) { - link->dhcp6_client = sd_dhcp6_client_unref(link->dhcp6_client); - return r; - } - - r = sd_dhcp6_client_set_mac(link->dhcp6_client, - (const uint8_t *) &link->mac, - sizeof (link->mac), ARPHRD_ETHER); - if (r < 0) { - link->dhcp6_client = sd_dhcp6_client_unref(link->dhcp6_client); - return r; - } - - r = sd_dhcp6_client_set_index(link->dhcp6_client, link->ifindex); - if (r < 0) { - link->dhcp6_client = sd_dhcp6_client_unref(link->dhcp6_client); - return r; - } - - r = sd_dhcp6_client_set_callback(link->dhcp6_client, dhcp6_handler, - link); - if (r < 0) { - link->dhcp6_client = sd_dhcp6_client_unref(link->dhcp6_client); - return r; - } - - if (event == ICMP6_EVENT_ROUTER_ADVERTISMENT_OTHER) { - r = sd_dhcp6_client_set_information_request(link->dhcp6_client, - true); - if (r < 0) { - link->dhcp6_client = - sd_dhcp6_client_unref(link->dhcp6_client); - return r; - } - } - - r = sd_dhcp6_client_start(link->dhcp6_client); - if (r < 0) - link->dhcp6_client = sd_dhcp6_client_unref(link->dhcp6_client); - - return r; -} - -static void icmp6_router_handler(sd_icmp6_nd *nd, int event, void *userdata) { - Link *link = userdata; - - assert(link); - assert(link->network); - assert(link->manager); - - if (IN_SET(link->state, LINK_STATE_FAILED, LINK_STATE_LINGER)) - return; - - switch(event) { - case ICMP6_EVENT_ROUTER_ADVERTISMENT_NONE: - case ICMP6_EVENT_ROUTER_ADVERTISMENT_PREFIX_EXPIRED: - return; - - case ICMP6_EVENT_ROUTER_ADVERTISMENT_TIMEOUT: - case ICMP6_EVENT_ROUTER_ADVERTISMENT_OTHER: - case ICMP6_EVENT_ROUTER_ADVERTISMENT_MANAGED: - dhcp6_configure(link, event); - - break; - - default: - if (event < 0) - log_link_warning(link, "ICMPv6 error: %s", - strerror(-event)); - else - log_link_warning(link, "ICMPv6 unknown event: %d", - event); - - break; - } - -} - -int icmp6_configure(Link *link) { - int r; - - assert_return(link, -EINVAL); - - r = sd_icmp6_nd_new(&link->icmp6_router_discovery); - if (r < 0) - return r; - - r = sd_icmp6_nd_attach_event(link->icmp6_router_discovery, NULL, 0); - if (r < 0) - return r; - - r = sd_icmp6_nd_set_mac(link->icmp6_router_discovery, &link->mac); - if (r < 0) - return r; - - r = sd_icmp6_nd_set_index(link->icmp6_router_discovery, link->ifindex); - if (r < 0) - return r; - - r = sd_icmp6_nd_set_callback(link->icmp6_router_discovery, - icmp6_router_handler, link); - - return r; -} |