int address_update(Address *address, Link *link, sd_rtnl_message_handler_t callback) { _cleanup_rtnl_message_unref_ sd_rtnl_message *req = NULL; int r; assert(address); assert(address->family == AF_INET || address->family == AF_INET6); assert(link->ifindex > 0); assert(link->manager); assert(link->manager->rtnl); r = sd_rtnl_message_new_addr_update(link->manager->rtnl, &req, link->ifindex, address->family); if (r < 0) return log_error_errno(r, "Could not allocate RTM_NEWADDR message: %m"); r = sd_rtnl_message_addr_set_prefixlen(req, address->prefixlen); if (r < 0) return log_error_errno(r, "Could not set prefixlen: %m"); r = sd_rtnl_message_addr_set_flags(req, IFA_F_PERMANENT); if (r < 0) return log_error_errno(r, "Could not set flags: %m"); r = sd_rtnl_message_addr_set_scope(req, address->scope); if (r < 0) return log_error_errno(r, "Could not set scope: %m"); if (address->family == AF_INET) r = sd_rtnl_message_append_in_addr(req, IFA_LOCAL, &address->in_addr.in); else if (address->family == AF_INET6) r = sd_rtnl_message_append_in6_addr(req, IFA_LOCAL, &address->in_addr.in6); if (r < 0) return log_error_errno(r, "Could not append IFA_LOCAL attribute: %m"); if (address->family == AF_INET) { r = sd_rtnl_message_append_in_addr(req, IFA_BROADCAST, &address->broadcast); if (r < 0) return log_error_errno(r, "Could not append IFA_BROADCAST attribute: %m"); } if (address->label) { r = sd_rtnl_message_append_string(req, IFA_LABEL, address->label); if (r < 0) return log_error_errno(r, "Could not append IFA_LABEL attribute: %m"); } r = sd_rtnl_message_append_cache_info(req, IFA_CACHEINFO, &address->cinfo); if (r < 0) return log_error_errno(r, "Could not append IFA_CACHEINFO attribute: %m"); r = sd_rtnl_call_async(link->manager->rtnl, req, callback, link, 0, NULL); if (r < 0) return log_error_errno(r, "Could not send rtnetlink message: %m"); link_ref(link); return 0; }
int route_configure(Route *route, Link *link, sd_rtnl_message_handler_t callback) { _cleanup_rtnl_message_unref_ sd_rtnl_message *req = NULL; int r; assert(link); assert(link->manager); assert(link->manager->rtnl); assert(link->ifindex > 0); assert(route->family == AF_INET || route->family == AF_INET6); r = sd_rtnl_message_new_route(link->manager->rtnl, RTM_NEWROUTE, route->family, &req); if (r < 0) { log_error("Could not create RTM_NEWROUTE message: %s", strerror(-r)); return r; } if (route->family == AF_INET) r = sd_rtnl_message_append_in_addr(req, RTA_GATEWAY, &route->in_addr.in); else if (route->family == AF_INET6) r = sd_rtnl_message_append_in6_addr(req, RTA_GATEWAY, &route->in_addr.in6); if (r < 0) { log_error("Could not append RTA_GATEWAY attribute: %s", strerror(-r)); return r; } if (route->dst_prefixlen) { if (route->family == AF_INET) r = sd_rtnl_message_append_in_addr(req, RTA_DST, &route->dst_addr.in); else if (route->family == AF_INET6) r = sd_rtnl_message_append_in6_addr(req, RTA_DST, &route->dst_addr.in6); if (r < 0) { log_error("Could not append RTA_DST attribute: %s", strerror(-r)); return r; } r = sd_rtnl_message_route_set_dst_prefixlen(req, route->dst_prefixlen); if (r < 0) { log_error("Could not set destination prefix length: %s", strerror(-r)); return r; } } r = sd_rtnl_message_append_u32(req, RTA_OIF, link->ifindex); if (r < 0) { log_error("Could not append RTA_OIF attribute: %s", strerror(-r)); return r; } r = sd_rtnl_call_async(link->manager->rtnl, req, callback, link, 0, NULL); if (r < 0) { log_error("Could not send rtnetlink message: %s", strerror(-r)); return r; } return 0; }
static int netdev_sit_fill_message_create(NetDev *netdev, Link *link, sd_rtnl_message *m) { Tunnel *t = SIT(netdev); int r; assert(netdev); assert(link); assert(m); assert(t); assert(t->family == AF_INET); r = sd_rtnl_message_append_u32(m, IFLA_IPTUN_LINK, link->ifindex); if (r < 0) { log_netdev_error(netdev, "Could not append IFLA_IPTUN_LINK attribute: %s", strerror(-r)); return r; } r = sd_rtnl_message_append_in_addr(m, IFLA_IPTUN_LOCAL, &t->local.in); if (r < 0) { log_netdev_error(netdev, "Could not append IFLA_IPTUN_LOCAL attribute: %s", strerror(-r)); return r; } r = sd_rtnl_message_append_in_addr(m, IFLA_IPTUN_REMOTE, &t->remote.in); if (r < 0) { log_netdev_error(netdev, "Could not append IFLA_IPTUN_REMOTE attribute: %s", strerror(-r)); return r; } r = sd_rtnl_message_append_u8(m, IFLA_IPTUN_TTL, t->ttl); if (r < 0) { log_netdev_error(netdev, "Could not append IFLA_IPTUN_TTL attribute: %s", strerror(-r)); return r; } r = sd_rtnl_message_append_u8(m, IFLA_IPTUN_PMTUDISC, t->pmtudisc); if (r < 0) { log_netdev_error(netdev, "Could not append IFLA_IPTUN_PMTUDISC attribute: %s", strerror(-r)); return r; } return r; }
static void test_route(void) { _cleanup_rtnl_message_unref_ sd_rtnl_message *req; struct in_addr addr; uint32_t index = 2; uint16_t type; void *data; uint32_t u32_data; int r; struct rtmsg *rtm; r = sd_rtnl_message_new_route(NULL, &req, RTM_NEWROUTE, AF_INET); if (r < 0) { log_error("Could not create RTM_NEWROUTE message: %s", strerror(-r)); return; } addr.s_addr = htonl(INADDR_LOOPBACK); r = sd_rtnl_message_append_in_addr(req, RTA_GATEWAY, &addr); if (r < 0) { log_error("Could not append RTA_GATEWAY attribute: %s", strerror(-r)); return; } r = sd_rtnl_message_append_u32(req, RTA_OIF, index); if (r < 0) { log_error("Could not append RTA_OIF attribute: %s", strerror(-r)); return; } assert_se(rtnl_message_seal(NULL, req) >= 0); assert_se(sd_rtnl_message_read(req, &type, &data) > 0); assert_se(type == RTA_GATEWAY); assert_se(((struct in_addr *)data)->s_addr == addr.s_addr); assert_se(sd_rtnl_message_read(req, &type, &data) > 0); assert_se(type == RTA_OIF); assert_se(*(uint32_t *) data == index); rtm = NLMSG_DATA(req->hdr); r = rtnl_message_parse(req, &req->rta_offset_tb, &req->rta_tb_size, RTA_MAX, RTM_RTA(rtm), RTM_PAYLOAD(req->hdr)); assert_se(sd_rtnl_message_read_u32(req, RTA_GATEWAY, &u32_data) == 0); assert_se(sd_rtnl_message_read_u32(req, RTA_OIF, &u32_data) == 0); assert_se((req = sd_rtnl_message_unref(req)) == NULL); }
int address_drop(Address *address, Link *link, sd_rtnl_message_handler_t callback) { _cleanup_rtnl_message_unref_ sd_rtnl_message *req = NULL; int r; assert(address); assert(address->family == AF_INET || address->family == AF_INET6); assert(link); assert(link->ifindex > 0); assert(link->manager); assert(link->manager->rtnl); r = sd_rtnl_message_new_addr(link->manager->rtnl, &req, RTM_DELADDR, link->ifindex, address->family); if (r < 0) { log_error("Could not allocate RTM_DELADDR message: %s", strerror(-r)); return r; } r = sd_rtnl_message_addr_set_prefixlen(req, address->prefixlen); if (r < 0) { log_error("Could not set prefixlen: %s", strerror(-r)); return r; } if (address->family == AF_INET) r = sd_rtnl_message_append_in_addr(req, IFA_LOCAL, &address->in_addr.in); else if (address->family == AF_INET6) r = sd_rtnl_message_append_in6_addr(req, IFA_LOCAL, &address->in_addr.in6); if (r < 0) { log_error("Could not append IFA_LOCAL attribute: %s", strerror(-r)); return r; } r = sd_rtnl_call_async(link->manager->rtnl, req, callback, link, 0, NULL); if (r < 0) { log_error("Could not send rtnetlink message: %s", strerror(-r)); return r; } return 0; }
static void test_route(void) { _cleanup_rtnl_message_unref_ sd_rtnl_message *req; struct in_addr addr, addr_data; uint32_t index = 2, u32_data; int r; r = sd_rtnl_message_new_route(NULL, &req, RTM_NEWROUTE, AF_INET, RTPROT_STATIC); if (r < 0) { log_error_errno(r, "Could not create RTM_NEWROUTE message: %m"); return; } addr.s_addr = htonl(INADDR_LOOPBACK); r = sd_rtnl_message_append_in_addr(req, RTA_GATEWAY, &addr); if (r < 0) { log_error_errno(r, "Could not append RTA_GATEWAY attribute: %m"); return; } r = sd_rtnl_message_append_u32(req, RTA_OIF, index); if (r < 0) { log_error_errno(r, "Could not append RTA_OIF attribute: %m"); return; } assert_se(sd_rtnl_message_rewind(req) >= 0); assert_se(sd_rtnl_message_read_in_addr(req, RTA_GATEWAY, &addr_data) >= 0); assert_se(addr_data.s_addr == addr.s_addr); assert_se(sd_rtnl_message_read_u32(req, RTA_OIF, &u32_data) >= 0); assert_se(u32_data == index); assert_se((req = sd_rtnl_message_unref(req)) == NULL); }
int address_configure(Address *address, Link *link, sd_rtnl_message_handler_t callback) { _cleanup_rtnl_message_unref_ sd_rtnl_message *req = NULL; int r; assert(address); assert(address->family == AF_INET || address->family == AF_INET6); assert(link); assert(link->ifindex > 0); assert(link->manager); assert(link->manager->rtnl); r = sd_rtnl_message_new_addr(RTM_NEWADDR, link->ifindex, address->family, &req); if (r < 0) { log_error("Could not allocate RTM_NEWADDR message: %s", strerror(-r)); return r; } r = sd_rtnl_message_addr_set_prefixlen(req, address->prefixlen); if (r < 0) { log_error("Could not set prefixlen: %s", strerror(-r)); return r; } r = sd_rtnl_message_addr_set_flags(req, IFA_F_PERMANENT); if (r < 0) { log_error("Could not set flags: %s", strerror(-r)); return r; } r = sd_rtnl_message_addr_set_scope(req, RT_SCOPE_UNIVERSE); if (r < 0) { log_error("Could not set scope: %s", strerror(-r)); return r; } if (address->family == AF_INET) r = sd_rtnl_message_append_in_addr(req, IFA_LOCAL, &address->in_addr.in); else if (address->family == AF_INET6) r = sd_rtnl_message_append_in6_addr(req, IFA_LOCAL, &address->in_addr.in6); if (r < 0) { log_error("Could not append IFA_LOCAL attribute: %s", strerror(-r)); return r; } if (address->family == AF_INET) { r = sd_rtnl_message_append_in_addr(req, IFA_BROADCAST, &address->broadcast); if (r < 0) { log_error("Could not append IFA_BROADCAST attribute: %s", strerror(-r)); return r; } } if (address->label) { r = sd_rtnl_message_append_string(req, IFA_LABEL, address->label); if (r < 0) { log_error("Could not append IFA_LABEL attribute: %s", strerror(-r)); return r; } } r = sd_rtnl_call_async(link->manager->rtnl, req, callback, link, 0, NULL); if (r < 0) { log_error("Could not send rtnetlink message: %s", strerror(-r)); return r; } return 0; }
static int netdev_gre_fill_message_create(NetDev *netdev, Link *link, sd_rtnl_message *m) { Tunnel *t; int r; assert(netdev); if (netdev->kind == NETDEV_KIND_GRE) t = GRE(netdev); else t = GRETAP(netdev); assert(t); assert(t->family == AF_INET); assert(link); assert(m); r = sd_rtnl_message_append_u32(m, IFLA_GRE_LINK, link->ifindex); if (r < 0) { log_netdev_error(netdev, "Could not append IFLA_GRE_LINK attribute: %s", strerror(-r)); return r; } r = sd_rtnl_message_append_in_addr(m, IFLA_GRE_LOCAL, &t->local.in); if (r < 0) { log_netdev_error(netdev, "Could not append IFLA_GRE_LOCAL attribute: %s", strerror(-r)); return r; } r = sd_rtnl_message_append_in_addr(m, IFLA_GRE_REMOTE, &t->remote.in); if (r < 0) { log_netdev_error(netdev, "Could not append IFLA_GRE_REMOTE attribute: %s", strerror(-r)); return r; } r = sd_rtnl_message_append_u8(m, IFLA_GRE_TTL, t->ttl); if (r < 0) { log_netdev_error(netdev, "Could not append IFLA_GRE_TTL attribute: %s", strerror(-r)); return r; } r = sd_rtnl_message_append_u8(m, IFLA_GRE_TOS, t->tos); if (r < 0) { log_netdev_error(netdev, "Could not append IFLA_GRE_TOS attribute: %s", strerror(-r)); return r; } r = sd_rtnl_message_append_u8(m, IFLA_GRE_PMTUDISC, t->pmtudisc); if (r < 0) { log_netdev_error(netdev, "Could not append IFLA_GRE_PMTUDISC attribute: %s", strerror(-r)); return r; } return r; }
static int netdev_fill_vxlan_rtnl_message(NetDev *netdev, Link *link, sd_rtnl_message *m) { int r; assert(link); assert(link->network); assert(m); r = sd_rtnl_message_append_string(m, IFLA_IFNAME, netdev->ifname); if (r < 0) { log_error_netdev(netdev, "Could not append IFLA_IFNAME, attribute: %s", strerror(-r)); return r; } r = sd_rtnl_message_open_container(m, IFLA_LINKINFO); if (r < 0) { log_error_netdev(netdev, "Could not append IFLA_LINKINFO attribute: %s", strerror(-r)); return r; } r = sd_rtnl_message_open_container_union(m, IFLA_INFO_DATA, netdev_kind_to_string(netdev->kind)); if (r < 0) { log_error_netdev(netdev, "Could not append IFLA_INFO_DATA attribute: %s", strerror(-r)); return r; } if (netdev->vlanid <= VXLAN_VID_MAX) { r = sd_rtnl_message_append_u32(m, IFLA_VXLAN_ID, netdev->vxlanid); if (r < 0) { log_error_netdev(netdev, "Could not append IFLA_VXLAN_ID attribute: %s", strerror(-r)); return r; } } r = sd_rtnl_message_append_in_addr(m, IFLA_VXLAN_GROUP, &netdev->group.in); if (r < 0) { log_error_netdev(netdev, "Could not append IFLA_VXLAN_GROUP attribute: %s", strerror(-r)); return r; } r = sd_rtnl_message_append_u32(m, IFLA_VXLAN_LINK, link->ifindex); if (r < 0) { log_error_netdev(netdev, "Could not append IFLA_VXLAN_LINK attribute: %s", strerror(-r)); return r; } if(netdev->ttl) { r = sd_rtnl_message_append_u8(m, IFLA_VXLAN_TTL, netdev->ttl); if (r < 0) { log_error_netdev(netdev, "Could not append IFLA_VXLAN_TTL attribute: %s", strerror(-r)); return r; } } if(netdev->tos) { r = sd_rtnl_message_append_u8(m, IFLA_VXLAN_TOS, netdev->tos); if (r < 0) { log_error_netdev(netdev, "Could not append IFLA_VXLAN_TOS attribute: %s", strerror(-r)); return r; } } r = sd_rtnl_message_append_u8(m, IFLA_VXLAN_LEARNING, netdev->learning); if (r < 0) { log_error_netdev(netdev, "Could not append IFLA_VXLAN_LEARNING attribute: %s", strerror(-r)); return r; } r = sd_rtnl_message_close_container(m); if (r < 0) { log_error_netdev(netdev, "Could not append IFLA_LINKINFO attribute: %s", strerror(-r)); return r; } return r; }
static int netdev_vxlan_fill_message_create(NetDev *netdev, Link *link, sd_rtnl_message *m) { VxLan *v = VXLAN(netdev); int r; assert(netdev); assert(v); assert(link); assert(m); if (v->id <= VXLAN_VID_MAX) { r = sd_rtnl_message_append_u32(m, IFLA_VXLAN_ID, v->id); if (r < 0) { log_netdev_error(netdev, "Could not append IFLA_VXLAN_ID attribute: %s", strerror(-r)); return r; } } r = sd_rtnl_message_append_in_addr(m, IFLA_VXLAN_GROUP, &v->group.in); if (r < 0) { log_netdev_error(netdev, "Could not append IFLA_VXLAN_GROUP attribute: %s", strerror(-r)); return r; } r = sd_rtnl_message_append_u32(m, IFLA_VXLAN_LINK, link->ifindex); if (r < 0) { log_netdev_error(netdev, "Could not append IFLA_VXLAN_LINK attribute: %s", strerror(-r)); return r; } if(v->ttl) { r = sd_rtnl_message_append_u8(m, IFLA_VXLAN_TTL, v->ttl); if (r < 0) { log_netdev_error(netdev, "Could not append IFLA_VXLAN_TTL attribute: %s", strerror(-r)); return r; } } if(v->tos) { r = sd_rtnl_message_append_u8(m, IFLA_VXLAN_TOS, v->tos); if (r < 0) { log_netdev_error(netdev, "Could not append IFLA_VXLAN_TOS attribute: %s", strerror(-r)); return r; } } r = sd_rtnl_message_append_u8(m, IFLA_VXLAN_LEARNING, v->learning); if (r < 0) { log_netdev_error(netdev, "Could not append IFLA_VXLAN_LEARNING attribute: %s", strerror(-r)); return r; } r = sd_rtnl_message_append_u8(m, IFLA_VXLAN_RSC, v->route_short_circuit); if (r < 0) { log_netdev_error(netdev, "Could not append IFLA_VXLAN_RSC attribute: %s", strerror(-r)); return r; } r = sd_rtnl_message_append_u8(m, IFLA_VXLAN_PROXY, v->arp_proxy); if (r < 0) { log_netdev_error(netdev, "Could not append IFLA_VXLAN_PROXY attribute: %s", strerror(-r)); return r; } r = sd_rtnl_message_append_u8(m, IFLA_VXLAN_L2MISS, v->l2miss); if (r < 0) { log_netdev_error(netdev, "Could not append IFLA_VXLAN_L2MISS attribute: %s", strerror(-r)); return r; } r = sd_rtnl_message_append_u8(m, IFLA_VXLAN_L3MISS, v->l3miss); if (r < 0) { log_netdev_error(netdev, "Could not append IFLA_VXLAN_L3MISS attribute: %s", strerror(-r)); return r; } if(v->fdb_ageing) { r = sd_rtnl_message_append_u32(m, IFLA_VXLAN_AGEING, v->fdb_ageing / USEC_PER_SEC); if (r < 0) { log_netdev_error(netdev, "Could not append IFLA_VXLAN_AGEING attribute: %s", strerror(-r)); return r; } } r = sd_rtnl_message_append_u8(m, IFLA_VXLAN_UDP_CSUM, v->udpcsum); if (r < 0) { log_netdev_error(netdev, "Could not append IFLA_VXLAN_UDP_CSUM attribute: %s", strerror(-r)); return r; } r = sd_rtnl_message_append_u8(m, IFLA_VXLAN_UDP_ZERO_CSUM6_TX, v->udp6zerocsumtx); if (r < 0) { log_netdev_error(netdev, "Could not append IFLA_VXLAN_UDP_ZERO_CSUM6_TX attribute: %s", strerror(-r)); return r; } r = sd_rtnl_message_append_u8(m, IFLA_VXLAN_UDP_ZERO_CSUM6_RX, v->udp6zerocsumrx); if (r < 0) { log_netdev_error(netdev, "Could not append IFLA_VXLAN_UDP_ZERO_CSUM6_RX attribute: %s", strerror(-r)); return r; } return r; }
static int netdev_fill_vti_rtnl_message(Link *link, sd_rtnl_message *m) { NetDev *netdev; int r; assert(link); assert(link->network); assert(link->network->tunnel); assert(m); netdev = link->network->tunnel; assert(netdev->family == AF_INET); r = sd_rtnl_message_append_string(m, IFLA_IFNAME, netdev->ifname); if (r < 0) { log_error_netdev(netdev, "Could not append IFLA_IFNAME, attribute: %s", strerror(-r)); return r; } if(netdev->mtu) { r = sd_rtnl_message_append_u32(m, IFLA_MTU, netdev->mtu); if (r < 0) { log_error_netdev(netdev, "Could not append IFLA_MTU attribute: %s", strerror(-r)); return r; } } if (netdev->mac) { r = sd_rtnl_message_append_ether_addr(m, IFLA_ADDRESS, netdev->mac); if (r < 0) { log_error_netdev(netdev, "Colud not append IFLA_ADDRESS attribute: %s", strerror(-r)); return r; } } r = sd_rtnl_message_open_container(m, IFLA_LINKINFO); if (r < 0) { log_error_netdev(netdev, "Could not append IFLA_LINKINFO attribute: %s", strerror(-r)); return r; } r = sd_rtnl_message_open_container_union(m, IFLA_INFO_DATA, netdev_kind_to_string(netdev->kind)); if (r < 0) { log_error_netdev(netdev, "Could not append IFLA_INFO_DATA attribute: %s", strerror(-r)); return r; } r = sd_rtnl_message_append_u32(m, IFLA_VTI_LINK, link->ifindex); if (r < 0) { log_error_netdev(netdev, "Could not append IFLA_IPTUN_LINK attribute: %s", strerror(-r)); return r; } r = sd_rtnl_message_append_in_addr(m, IFLA_VTI_LOCAL, &netdev->local.in); if (r < 0) { log_error_netdev(netdev, "Could not append IFLA_IPTUN_LOCAL attribute: %s", strerror(-r)); return r; } r = sd_rtnl_message_append_in_addr(m, IFLA_VTI_REMOTE, &netdev->remote.in); if (r < 0) { log_error_netdev(netdev, "Could not append IFLA_IPTUN_REMOTE attribute: %s", strerror(-r)); return r; } r = sd_rtnl_message_close_container(m); if (r < 0) { log_error_netdev(netdev, "Could not append IFLA_INFO_DATA attribute: %s", strerror(-r)); return r; } r = sd_rtnl_message_close_container(m); if (r < 0) { log_error_netdev(netdev, "Could not append IFLA_LINKINFO attribute: %s", strerror(-r)); return r; } return r; }