Remove src/network

1 files changed, 0 insertions, 681 deletions

diff --git a/src/network/networkd-dhcp4.c b/src/network/networkd-dhcp4.c
deleted file mode 100644
index 38321905e6..0000000000
--- a/src/network/networkd-dhcp4.c
+++ /dev/null
@@ -1,681 +0,0 @@
-/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
-
-/***
-  This file is part of systemd.
-
-  Copyright 2013-2014 Tom Gundersen <teg@jklm.no>
-
-  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 "dhcp-lease-internal.h"
-
-static int dhcp4_route_handler(sd_rtnl *rtnl, sd_rtnl_message *m,
-                               void *userdata) {
-        _cleanup_link_unref_ Link *link = userdata;
-        int r;
-
-        assert(link);
-        assert(link->dhcp4_messages);
-
-        link->dhcp4_messages --;
-
-        r = sd_rtnl_message_get_errno(m);
-        if (r < 0 && r != -EEXIST) {
-                log_link_error(link, "could not set DHCPv4 route: %s",
-                               strerror(-r));
-                link_enter_failed(link);
-        }
-
-        if (!link->dhcp4_messages) {
-                link->dhcp4_configured = true;
-                link_client_handler(link);
-        }
-
-        return 1;
-}
-
-static int link_set_dhcp_routes(Link *link) {
-        struct in_addr gateway;
-        struct sd_dhcp_route *static_routes;
-        int r, n, i;
-
-        assert(link);
-        assert(link->dhcp_lease);
-
-        r = sd_dhcp_lease_get_router(link->dhcp_lease, &gateway);
-        if (r < 0 && r != -ENOENT) {
-                log_link_warning(link,
-                                 "DHCP error: could not get gateway: %s",
-                                 strerror(-r));
-                return r;
-        }
-        if (r >= 0) {
-                struct in_addr address;
-                _cleanup_route_free_ Route *route = NULL;
-                _cleanup_route_free_ Route *route_gw = NULL;
-
-                r = sd_dhcp_lease_get_address(link->dhcp_lease, &address);
-                if (r < 0) {
-                        log_link_warning(link,
-                                         "DHCP error: could not get address: %s",
-                                         strerror(-r));
-                        return r;
-                }
-
-                r = route_new_dynamic(&route, RTPROT_DHCP);
-                if (r < 0) {
-                        log_link_error(link,
-                                       "Could not allocate route: %s",
-                                       strerror(-r));
-                        return r;
-                }
-
-                r = route_new_dynamic(&route_gw, RTPROT_DHCP);
-                if (r < 0) {
-                log_link_error(link,
-                               "Could not allocate route: %s",
-                               strerror(-r));
-                               return r;
-                }
-
-                /* The dhcp netmask may mask out the gateway. Add an explicit
-                 * route for the gw host so that we can route no matter the
-                 * netmask or existing kernel route tables. */
-                route_gw->family = AF_INET;
-                route_gw->dst_addr.in = gateway;
-                route_gw->dst_prefixlen = 32;
-                route_gw->prefsrc_addr.in = address;
-                route_gw->scope = RT_SCOPE_LINK;
-                route_gw->metrics = link->network->dhcp_route_metric;
-
-                r = route_configure(route_gw, link, &dhcp4_route_handler);
-                if (r < 0) {
-                        log_link_warning(link,
-                                         "could not set host route: %s",
-                                         strerror(-r));
-                        return r;
-                }
-
-                link->dhcp4_messages ++;
-
-                route->family = AF_INET;
-                route->in_addr.in = gateway;
-                route->prefsrc_addr.in = address;
-                route->metrics = link->network->dhcp_route_metric;
-
-                r = route_configure(route, link, &dhcp4_route_handler);
-                if (r < 0) {
-                        log_link_warning(link,
-                                         "could not set routes: %s",
-                                         strerror(-r));
-                        link_enter_failed(link);
-                        return r;
-                }
-
-                link->dhcp4_messages ++;
-        }
-
-        n = sd_dhcp_lease_get_routes(link->dhcp_lease, &static_routes);
-        if (n == -ENOENT)
-                return 0;
-        if (n < 0) {
-                log_link_warning(link,
-                                 "DHCP error: could not get routes: %s",
-                                 strerror(-n));
-
-                return n;
-        }
-
-        for (i = 0; i < n; i++) {
-                _cleanup_route_free_ Route *route = NULL;
-
-                r = route_new_dynamic(&route, RTPROT_DHCP);
-                if (r < 0) {
-                        log_link_error(link, "Could not allocate route: %s",
-                                       strerror(-r));
-                        return r;
-                }
-
-                route->family = AF_INET;
-                route->in_addr.in = static_routes[i].gw_addr;
-                route->dst_addr.in = static_routes[i].dst_addr;
-                route->dst_prefixlen = static_routes[i].dst_prefixlen;
-                route->metrics = link->network->dhcp_route_metric;
-
-                r = route_configure(route, link, &dhcp4_route_handler);
-                if (r < 0) {
-                        log_link_warning(link,
-                                         "could not set host route: %s",
-                                         strerror(-r));
-                        return r;
-                }
-
-                link->dhcp4_messages ++;
-        }
-
-        return 0;
-}
-
-static int dhcp_lease_lost(Link *link) {
-        _cleanup_address_free_ Address *address = NULL;
-        struct in_addr addr;
-        struct in_addr netmask;
-        struct in_addr gateway;
-        unsigned prefixlen = 0;
-        int r;
-
-        assert(link);
-        assert(link->dhcp_lease);
-
-        log_link_warning(link, "DHCP lease lost");
-
-        if (link->network->dhcp_routes) {
-                struct sd_dhcp_route *routes;
-                int n, i;
-
-                n = sd_dhcp_lease_get_routes(link->dhcp_lease, &routes);
-                if (n >= 0) {
-                        for (i = 0; i < n; i++) {
-                                _cleanup_route_free_ Route *route = NULL;
-
-                                r = route_new_dynamic(&route, RTPROT_UNSPEC);
-                                if (r >= 0) {
-                                        route->family = AF_INET;
-                                        route->in_addr.in = routes[i].gw_addr;
-                                        route->dst_addr.in = routes[i].dst_addr;
-                                        route->dst_prefixlen = routes[i].dst_prefixlen;
-
-                                        route_drop(route, link,
-                                                   &link_route_drop_handler);
-                                }
-                        }
-                }
-        }
-
-        r = address_new_dynamic(&address);
-        if (r >= 0) {
-                r = sd_dhcp_lease_get_router(link->dhcp_lease, &gateway);
-                if (r >= 0) {
-                        _cleanup_route_free_ Route *route_gw = NULL;
-                        _cleanup_route_free_ Route *route = NULL;
-
-                        r = route_new_dynamic(&route_gw, RTPROT_UNSPEC);
-                        if (r >= 0) {
-                                route_gw->family = AF_INET;
-                                route_gw->dst_addr.in = gateway;
-                                route_gw->dst_prefixlen = 32;
-                                route_gw->scope = RT_SCOPE_LINK;
-
-                                route_drop(route_gw, link,
-                                           &link_route_drop_handler);
-                        }
-
-                        r = route_new_dynamic(&route, RTPROT_UNSPEC);
-                        if (r >= 0) {
-                                route->family = AF_INET;
-                                route->in_addr.in = gateway;
-
-                                route_drop(route, link,
-                                           &link_route_drop_handler);
-                        }
-                }
-
-                r = sd_dhcp_lease_get_address(link->dhcp_lease, &addr);
-                if (r >= 0) {
-                        r = sd_dhcp_lease_get_netmask(link->dhcp_lease, &netmask);
-                        if (r >= 0)
-                                prefixlen = in_addr_netmask_to_prefixlen(&netmask);
-
-                        address->family = AF_INET;
-                        address->in_addr.in = addr;
-                        address->prefixlen = prefixlen;
-
-                       address_drop(address, link, &link_address_drop_handler);
-                }
-        }
-
-        if (link->network->dhcp_mtu) {
-                uint16_t mtu;
-
-                r = sd_dhcp_lease_get_mtu(link->dhcp_lease, &mtu);
-                if (r >= 0 && link->original_mtu != mtu) {
-                        r = link_set_mtu(link, link->original_mtu);
-                        if (r < 0) {
-                                log_link_warning(link,
-                                                 "DHCP error: could not reset MTU");
-                                link_enter_failed(link);
-                                return r;
-                        }
-                }
-        }
-
-        if (link->network->dhcp_hostname) {
-                const char *hostname = NULL;
-
-                r = sd_dhcp_lease_get_hostname(link->dhcp_lease, &hostname);
-                if (r >= 0 && hostname) {
-                        r = link_set_hostname(link, "");
-                        if (r < 0)
-                                log_link_error(link,
-                                               "Failed to reset transient hostname");
-                }
-        }
-
-        link->dhcp_lease = sd_dhcp_lease_unref(link->dhcp_lease);
-        link->dhcp4_configured = false;
-
-        return 0;
-}
-
-static int dhcp4_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 DHCPv4 address: %s",
-                               strerror(-r));
-                link_enter_failed(link);
-        } else if (r >= 0)
-                link_rtnl_process_address(rtnl, m, link->manager);
-
-        link_set_dhcp_routes(link);
-
-        return 1;
-}
-
-static int dhcp4_update_address(Link *link,
-                                struct in_addr *address,
-                                struct in_addr *netmask,
-                                uint32_t lifetime) {
-        _cleanup_address_free_ Address *addr = NULL;
-        unsigned prefixlen;
-        int r;
-
-        assert(address);
-        assert(netmask);
-        assert(lifetime);
-
-        prefixlen = in_addr_netmask_to_prefixlen(netmask);
-
-        r = address_new_dynamic(&addr);
-        if (r < 0)
-                return r;
-
-        addr->family = AF_INET;
-        addr->in_addr.in.s_addr = address->s_addr;
-        addr->cinfo.ifa_prefered = lifetime;
-        addr->cinfo.ifa_valid = lifetime;
-        addr->prefixlen = prefixlen;
-        addr->broadcast.s_addr = address->s_addr | ~netmask->s_addr;
-
-        /* use update rather than configure so that we will update the
-         * lifetime of an existing address if it has already been configured */
-        r = address_update(addr, link, &dhcp4_address_handler);
-        if (r < 0)
-                return r;
-
-        return 0;
-}
-
-static int dhcp_lease_renew(sd_dhcp_client *client, Link *link) {
-        sd_dhcp_lease *lease;
-        struct in_addr address;
-        struct in_addr netmask;
-        uint32_t lifetime = CACHE_INFO_INFINITY_LIFE_TIME;
-        int r;
-
-        assert(link);
-        assert(client);
-        assert(link->network);
-
-        r = sd_dhcp_client_get_lease(client, &lease);
-        if (r < 0) {
-                log_link_warning(link, "DHCP error: no lease %s",
-                                 strerror(-r));
-                return r;
-        }
-
-        sd_dhcp_lease_unref(link->dhcp_lease);
-        link->dhcp4_configured = false;
-        link->dhcp_lease = lease;
-
-        r = sd_dhcp_lease_get_address(lease, &address);
-        if (r < 0) {
-                log_link_warning(link, "DHCP error: no address: %s",
-                                 strerror(-r));
-                return r;
-        }
-
-        r = sd_dhcp_lease_get_netmask(lease, &netmask);
-        if (r < 0) {
-                log_link_warning(link, "DHCP error: no netmask: %s",
-                                 strerror(-r));
-                return r;
-        }
-
-        if (!link->network->dhcp_critical) {
-                r = sd_dhcp_lease_get_lifetime(link->dhcp_lease,
-                                               &lifetime);
-                if (r < 0) {
-                        log_link_warning(link,
-                                         "DHCP error: no lifetime: %s",
-                                         strerror(-r));
-                        return r;
-                }
-        }
-
-        r = dhcp4_update_address(link, &address, &netmask, lifetime);
-        if (r < 0) {
-                log_link_warning(link, "could not update IP address: %s",
-                                 strerror(-r));
-                link_enter_failed(link);
-                return r;
-        }
-
-        return 0;
-}
-
-static int dhcp_lease_acquired(sd_dhcp_client *client, Link *link) {
-        sd_dhcp_lease *lease;
-        struct in_addr address;
-        struct in_addr netmask;
-        struct in_addr gateway;
-        unsigned prefixlen;
-        uint32_t lifetime = CACHE_INFO_INFINITY_LIFE_TIME;
-        int r;
-
-        assert(client);
-        assert(link);
-
-        r = sd_dhcp_client_get_lease(client, &lease);
-        if (r < 0) {
-                log_link_warning(link, "DHCP error: no lease: %s",
-                                 strerror(-r));
-                return r;
-        }
-
-        r = sd_dhcp_lease_get_address(lease, &address);
-        if (r < 0) {
-                log_link_warning(link, "DHCP error: no address: %s",
-                                 strerror(-r));
-                return r;
-        }
-
-        r = sd_dhcp_lease_get_netmask(lease, &netmask);
-        if (r < 0) {
-                log_link_warning(link, "DHCP error: no netmask: %s",
-                                 strerror(-r));
-                return r;
-        }
-
-        prefixlen = in_addr_netmask_to_prefixlen(&netmask);
-
-        r = sd_dhcp_lease_get_router(lease, &gateway);
-        if (r < 0 && r != -ENOENT) {
-                log_link_warning(link, "DHCP error: could not get gateway: %s",
-                                 strerror(-r));
-                return r;
-        }
-
-        if (r >= 0)
-                log_link_struct(link, LOG_INFO,
-                                "MESSAGE=%-*s: DHCPv4 address %u.%u.%u.%u/%u via %u.%u.%u.%u",
-                                 IFNAMSIZ,
-                                 link->ifname,
-                                 ADDRESS_FMT_VAL(address),
-                                 prefixlen,
-                                 ADDRESS_FMT_VAL(gateway),
-                                 "ADDRESS=%u.%u.%u.%u",
-                                 ADDRESS_FMT_VAL(address),
-                                 "PREFIXLEN=%u",
-                                 prefixlen,
-                                 "GATEWAY=%u.%u.%u.%u",
-                                 ADDRESS_FMT_VAL(gateway),
-                                 NULL);
-        else
-                log_link_struct(link, LOG_INFO,
-                                "MESSAGE=%-*s: DHCPv4 address %u.%u.%u.%u/%u",
-                                 IFNAMSIZ,
-                                 link->ifname,
-                                 ADDRESS_FMT_VAL(address),
-                                 prefixlen,
-                                 "ADDRESS=%u.%u.%u.%u",
-                                 ADDRESS_FMT_VAL(address),
-                                 "PREFIXLEN=%u",
-                                 prefixlen,
-                                 NULL);
-
-        link->dhcp_lease = lease;
-
-        if (link->network->dhcp_mtu) {
-                uint16_t mtu;
-
-                r = sd_dhcp_lease_get_mtu(lease, &mtu);
-                if (r >= 0) {
-                        r = link_set_mtu(link, mtu);
-                        if (r < 0)
-                                log_link_error(link, "Failed to set MTU "
-                                               "to %" PRIu16, mtu);
-                }
-        }
-
-        if (link->network->dhcp_hostname) {
-                const char *hostname;
-
-                r = sd_dhcp_lease_get_hostname(lease, &hostname);
-                if (r >= 0) {
-                        r = link_set_hostname(link, hostname);
-                        if (r < 0)
-                                log_link_error(link,
-                                               "Failed to set transient hostname to '%s'",
-                                               hostname);
-                }
-        }
-
-        if (!link->network->dhcp_critical) {
-                r = sd_dhcp_lease_get_lifetime(link->dhcp_lease,
-                                               &lifetime);
-                if (r < 0) {
-                        log_link_warning(link,
-                                         "DHCP error: no lifetime: %s",
-                                         strerror(-r));
-                        return r;
-                }
-        }
-
-        r = dhcp4_update_address(link, &address, &netmask, lifetime);
-        if (r < 0) {
-                log_link_warning(link, "could not update IP address: %s",
-                                 strerror(-r));
-                link_enter_failed(link);
-                return r;
-        }
-
-        return 0;
-}
-static void dhcp4_handler(sd_dhcp_client *client, int event, void *userdata) {
-        Link *link = userdata;
-        int r = 0;
-
-        assert(link);
-        assert(link->network);
-        assert(link->manager);
-
-        if (IN_SET(link->state, LINK_STATE_FAILED, LINK_STATE_LINGER))
-                return;
-
-        switch (event) {
-                case DHCP_EVENT_EXPIRED:
-                case DHCP_EVENT_STOP:
-                case DHCP_EVENT_IP_CHANGE:
-                        if (link->network->dhcp_critical) {
-                                log_link_error(link,
-                                               "DHCPv4 connection considered system critical, ignoring request to reconfigure it.");
-                                return;
-                        }
-
-                        if (link->dhcp_lease) {
-                                r = dhcp_lease_lost(link);
-                                if (r < 0) {
-                                        link_enter_failed(link);
-                                        return;
-                                }
-                        }
-
-                        if (event == DHCP_EVENT_IP_CHANGE) {
-                                r = dhcp_lease_acquired(client, link);
-                                if (r < 0) {
-                                        link_enter_failed(link);
-                                        return;
-                                }
-                        }
-
-                        break;
-                case DHCP_EVENT_RENEW:
-                        r = dhcp_lease_renew(client, link);
-                        if (r < 0) {
-                                link_enter_failed(link);
-                                return;
-                        }
-                        break;
-                case DHCP_EVENT_IP_ACQUIRE:
-                        r = dhcp_lease_acquired(client, link);
-                        if (r < 0) {
-                                link_enter_failed(link);
-                                return;
-                        }
-                        break;
-                default:
-                        if (event < 0)
-                                log_link_warning(link,
-                                                 "DHCP error: client failed: %s",
-                                                 strerror(-event));
-                        else
-                                log_link_warning(link,
-                                                 "DHCP unknown event: %d",
-                                                 event);
-                        break;
-        }
-
-        return;
-}
-
-int dhcp4_configure(Link *link) {
-        int r;
-
-        assert(link);
-        assert(link->network);
-        assert(IN_SET(link->network->dhcp, ADDRESS_FAMILY_YES, ADDRESS_FAMILY_IPV4));
-
-        r = sd_dhcp_client_new(&link->dhcp_client);
-        if (r < 0)
-                return r;
-
-        r = sd_dhcp_client_attach_event(link->dhcp_client, NULL, 0);
-        if (r < 0)
-                return r;
-
-        r = sd_dhcp_client_set_mac(link->dhcp_client,
-                                   (const uint8_t *) &link->mac,
-                                   sizeof (link->mac), ARPHRD_ETHER);
-        if (r < 0)
-                return r;
-
-        r = sd_dhcp_client_set_index(link->dhcp_client, link->ifindex);
-        if (r < 0)
-                return r;
-
-        r = sd_dhcp_client_set_callback(link->dhcp_client, dhcp4_handler, link);
-        if (r < 0)
-                return r;
-
-        r = sd_dhcp_client_set_request_broadcast(link->dhcp_client,
-                                                 link->network->dhcp_broadcast);
-        if (r < 0)
-                return r;
-
-        if (link->mtu) {
-                r = sd_dhcp_client_set_mtu(link->dhcp_client, link->mtu);
-                if (r < 0)
-                        return r;
-        }
-
-        if (link->network->dhcp_mtu) {
-             r = sd_dhcp_client_set_request_option(link->dhcp_client,
-                                                   DHCP_OPTION_INTERFACE_MTU);
-             if (r < 0)
-                return r;
-        }
-
-        if (link->network->dhcp_routes) {
-                r = sd_dhcp_client_set_request_option(link->dhcp_client,
-                                                      DHCP_OPTION_STATIC_ROUTE);
-                if (r < 0)
-                        return r;
-                r = sd_dhcp_client_set_request_option(link->dhcp_client,
-                                                      DHCP_OPTION_CLASSLESS_STATIC_ROUTE);
-                        if (r < 0)
-                                return r;
-        }
-
-        if (link->network->dhcp_sendhost) {
-                _cleanup_free_ char *hostname = NULL;
-
-                hostname = gethostname_malloc();
-                if (!hostname)
-                        return -ENOMEM;
-
-                if (!is_localhost(hostname)) {
-                        r = sd_dhcp_client_set_hostname(link->dhcp_client,
-                                                        hostname);
-                        if (r < 0)
-                                return r;
-                }
-        }
-
-        if (link->network->dhcp_vendor_class_identifier) {
-                r = sd_dhcp_client_set_vendor_class_identifier(link->dhcp_client,
-                                                               link->network->dhcp_vendor_class_identifier);
-                if (r < 0)
-                        return r;
-        }
-
-        switch (link->network->dhcp_client_identifier) {
-        case DHCP_CLIENT_ID_DUID:
-                /* Library defaults to this. */
-                break;
-        case DHCP_CLIENT_ID_MAC:
-                r = sd_dhcp_client_set_client_id(link->dhcp_client,
-                                                 ARPHRD_ETHER,
-                                                 (const uint8_t *) &link->mac,
-                                                 sizeof (link->mac));
-                if (r < 0)
-                        return r;
-                break;
-        default:
-                assert_not_reached("Unknown client identifier type.");
-        }
-
-        return 0;
-}