X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=blobdiff_plain;f=src%2Fnetwork%2Fnetworkd-network.c;h=84b6973f55c9b5012252ee7a571b19ed59097f54;hp=bdf71e854e2484b6ed5ffa859880d972683ae97f;hb=bfa695b5cc37aeb78737c57c84e9e69ea08152c0;hpb=ecb08ec6a5c52f2d940f3b8147e2a480affd46e1 diff --git a/src/network/networkd-network.c b/src/network/networkd-network.c index bdf71e854..84b6973f5 100644 --- a/src/network/networkd-network.c +++ b/src/network/networkd-network.c @@ -19,7 +19,11 @@ along with systemd; If not, see . ***/ +#include +#include + #include "networkd.h" +#include "networkd-netdev.h" #include "network-internal.h" #include "path-util.h" #include "conf-files.h" @@ -44,6 +48,11 @@ static int network_load_one(Manager *manager, const char *filename) { return -errno; } + if (null_or_empty_fd(fileno(file))) { + log_debug("Skipping empty file: %s", filename); + return 0; + } + network = new0(Network, 1); if (!network) return log_oom(); @@ -57,10 +66,14 @@ static int network_load_one(Manager *manager, const char *filename) { if (!network->vlans) return log_oom(); - network->macvlans = hashmap_new(uint64_hash_func, uint64_compare_func); + network->macvlans = hashmap_new(string_hash_func, string_compare_func); if (!network->macvlans) return log_oom(); + network->vxlans = hashmap_new(string_hash_func, string_compare_func); + if (!network->vxlans) + return log_oom(); + network->addresses_by_section = hashmap_new(uint64_hash_func, uint64_compare_func); if (!network->addresses_by_section) return log_oom(); @@ -69,28 +82,29 @@ static int network_load_one(Manager *manager, const char *filename) { if (!network->routes_by_section) return log_oom(); - network->dns = set_new(NULL, NULL); - if (!network->dns) - return log_oom(); - network->filename = strdup(filename); if (!network->filename) return log_oom(); + network->ipv4ll_route = true; + + network->dhcp_ntp = true; network->dhcp_dns = true; network->dhcp_hostname = true; network->dhcp_domainname = true; - - r = config_parse(NULL, filename, file, "Match\0Network\0Address\0Route\0DHCPv4\0", config_item_perf_lookup, - (void*) network_network_gperf_lookup, false, false, network); - if (r < 0) { - log_warning("Could not parse config file %s: %s", filename, strerror(-r)); + network->dhcp_routes = true; + network->dhcp_sendhost = true; + + r = config_parse(NULL, filename, file, + "Match\0Network\0Address\0Route\0DHCP\0DHCPv4\0", + config_item_perf_lookup, network_network_gperf_lookup, + false, false, true, network); + if (r < 0) return r; - } LIST_PREPEND(networks, manager->networks, network); - LIST_FOREACH(static_routes, route, network->static_routes) { + LIST_FOREACH(routes, route, network->static_routes) { if (!route->family) { log_warning("Route section without Gateway field configured in %s. " "Ignoring", filename); @@ -98,7 +112,7 @@ static int network_load_one(Manager *manager, const char *filename) { } } - LIST_FOREACH(static_addresses, address, network->static_addresses) { + LIST_FOREACH(addresses, address, network->static_addresses) { if (!address->family) { log_warning("Address section without Address field configured in %s. " "Ignoring", filename); @@ -138,6 +152,7 @@ int network_load(Manager *manager) { } void network_free(Network *network) { + NetDev *netdev; Route *route; Address *address; Iterator i; @@ -154,16 +169,29 @@ void network_free(Network *network) { free(network->match_name); free(network->description); + free(network->dhcp_vendor_class_identifier); - SET_FOREACH(address, network->dns, i) - address_free(address); + strv_free(network->ntp); + strv_free(network->dns); - set_free(network->dns); + netdev_unref(network->bridge); + netdev_unref(network->bond); + + netdev_unref(network->tunnel); + + HASHMAP_FOREACH(netdev, network->vlans, i) + netdev_unref(netdev); hashmap_free(network->vlans); + HASHMAP_FOREACH(netdev, network->macvlans, i) + netdev_unref(netdev); hashmap_free(network->macvlans); + HASHMAP_FOREACH(netdev, network->vxlans, i) + netdev_unref(netdev); + hashmap_free(network->vxlans); + while ((route = network->static_routes)) route_free(route); @@ -184,28 +212,28 @@ void network_free(Network *network) { free(network); } -int network_get(Manager *manager, struct udev_device *device, Network **ret) { +int network_get(Manager *manager, struct udev_device *device, + const char *ifname, const struct ether_addr *address, + Network **ret) { Network *network; assert(manager); - assert(device); assert(ret); LIST_FOREACH(networks, network, manager->networks) { if (net_match_config(network->match_mac, network->match_path, - network->match_driver, network->match_type, - network->match_name, network->match_host, - network->match_virt, network->match_kernel, - network->match_arch, - udev_device_get_sysattr_value(device, "address"), - udev_device_get_property_value(device, "ID_PATH"), - udev_device_get_driver(udev_device_get_parent(device)), - udev_device_get_property_value(device, "ID_NET_DRIVER"), - udev_device_get_devtype(device), - udev_device_get_sysname(device))) { - log_debug("%s: found matching network '%s'", - udev_device_get_sysname(device), - network->filename); + network->match_driver, network->match_type, + network->match_name, network->match_host, + network->match_virt, network->match_kernel, + network->match_arch, + address, + udev_device_get_property_value(device, "ID_PATH"), + udev_device_get_driver(udev_device_get_parent(device)), + udev_device_get_property_value(device, "ID_NET_DRIVER"), + udev_device_get_devtype(device), + ifname)) { + log_debug("%-*s: found matching network '%s'", IFNAMSIZ, ifname, + network->filename); *ret = network; return 0; } @@ -221,53 +249,36 @@ int network_apply(Manager *manager, Network *network, Link *link) { link->network = network; - if (network->dns) { - r = manager_update_resolv_conf(manager); + if (network->ipv4ll_route) { + Route *route; + + r = route_new_static(network, 0, &route); if (r < 0) return r; - } - return 0; -} - -int config_parse_bridge(const char *unit, - const char *filename, - unsigned line, - const char *section, - unsigned section_line, - const char *lvalue, - int ltype, - const char *rvalue, - void *data, - void *userdata) { - Network *network = userdata; - NetDev *netdev; - int r; - - assert(filename); - assert(lvalue); - assert(rvalue); - assert(data); + r = inet_pton(AF_INET, "169.254.0.0", &route->dst_addr.in); + if (r == 0) + return -EINVAL; + if (r < 0) + return -errno; - r = netdev_get(network->manager, rvalue, &netdev); - if (r < 0) { - log_syntax(unit, LOG_ERR, filename, line, EINVAL, - "Bridge is invalid, ignoring assignment: %s", rvalue); - return 0; + route->family = AF_INET; + route->dst_prefixlen = 16; + route->scope = RT_SCOPE_LINK; + route->metrics = IPV4LL_ROUTE_METRIC; + route->protocol = RTPROT_STATIC; } - if (netdev->kind != NETDEV_KIND_BRIDGE) { - log_syntax(unit, LOG_ERR, filename, line, EINVAL, - "NetDev is not a bridge, ignoring assignment: %s", rvalue); - return 0; + if (network->dns || network->ntp) { + r = link_save(link); + if (r < 0) + return r; } - network->bridge = netdev; - return 0; } -int config_parse_bond(const char *unit, +int config_parse_netdev(const char *unit, const char *filename, unsigned line, const char *section, @@ -278,7 +289,10 @@ int config_parse_bond(const char *unit, void *data, void *userdata) { Network *network = userdata; + _cleanup_free_ char *kind_string = NULL; + char *p; NetDev *netdev; + NetDevKind kind; int r; assert(filename); @@ -286,76 +300,92 @@ int config_parse_bond(const char *unit, assert(rvalue); assert(data); - r = netdev_get(network->manager, rvalue, &netdev); - if (r < 0) { - log_syntax(unit, LOG_ERR, filename, line, EINVAL, - "Bond is invalid, ignoring assignment: %s", rvalue); - return 0; - } + kind_string = strdup(lvalue); + if (!kind_string) + return log_oom(); + + /* the keys are CamelCase versions of the kind */ + for (p = kind_string; *p; p++) + *p = tolower(*p); - if (netdev->kind != NETDEV_KIND_BOND) { + kind = netdev_kind_from_string(kind_string); + if (kind == _NETDEV_KIND_INVALID) { log_syntax(unit, LOG_ERR, filename, line, EINVAL, - "NetDev is not a bond, ignoring assignment: %s", rvalue); + "Invalid NetDev kind: %s", lvalue); return 0; } - network->bond = netdev; - - return 0; -} - -int config_parse_vlan(const char *unit, - const char *filename, - unsigned line, - const char *section, - unsigned section_line, - const char *lvalue, - int ltype, - const char *rvalue, - void *data, - void *userdata) { - Network *network = userdata; - NetDev *netdev; - int r; - - assert(filename); - assert(lvalue); - assert(rvalue); - assert(data); - r = netdev_get(network->manager, rvalue, &netdev); if (r < 0) { log_syntax(unit, LOG_ERR, filename, line, EINVAL, - "VLAN is invalid, ignoring assignment: %s", rvalue); + "%s could not be found, ignoring assignment: %s", lvalue, rvalue); return 0; } - if (netdev->kind != NETDEV_KIND_VLAN) { + if (netdev->kind != kind) { log_syntax(unit, LOG_ERR, filename, line, EINVAL, - "NetDev is not a VLAN, ignoring assignment: %s", rvalue); + "NetDev is not a %s, ignoring assignment: %s", lvalue, rvalue); return 0; } - r = hashmap_put(network->vlans, &netdev->vlanid, netdev); - if (r < 0) { - log_syntax(unit, LOG_ERR, filename, line, EINVAL, - "Can not add VLAN to network: %s", rvalue); - return 0; + switch (kind) { + case NETDEV_KIND_BRIDGE: + network->bridge = netdev; + + break; + case NETDEV_KIND_BOND: + network->bond = netdev; + + break; + case NETDEV_KIND_VLAN: + r = hashmap_put(network->vlans, netdev->ifname, netdev); + if (r < 0) { + log_syntax(unit, LOG_ERR, filename, line, EINVAL, + "Can not add VLAN '%s' to network: %s", + rvalue, strerror(-r)); + return 0; + } + + break; + case NETDEV_KIND_MACVLAN: + r = hashmap_put(network->macvlans, netdev->ifname, netdev); + if (r < 0) { + log_syntax(unit, LOG_ERR, filename, line, EINVAL, + "Can not add MACVLAN '%s' to network: %s", + rvalue, strerror(-r)); + return 0; + } + + break; + case NETDEV_KIND_VXLAN: + r = hashmap_put(network->vxlans, netdev->ifname, netdev); + if (r < 0) { + log_syntax(unit, LOG_ERR, filename, line, EINVAL, + "Can not add VXLAN '%s' to network: %s", + rvalue, strerror(-r)); + return 0; + } + + break; + default: + assert_not_reached("Can not parse NetDev"); } + netdev_ref(netdev); + return 0; } -int config_parse_macvlan(const char *unit, - const char *filename, - unsigned line, - const char *section, - unsigned section_line, - const char *lvalue, - int ltype, - const char *rvalue, - void *data, - void *userdata) { +int config_parse_tunnel(const char *unit, + const char *filename, + unsigned line, + const char *section, + unsigned section_line, + const char *lvalue, + int ltype, + const char *rvalue, + void *data, + void *userdata) { Network *network = userdata; NetDev *netdev; int r; @@ -368,22 +398,20 @@ int config_parse_macvlan(const char *unit, r = netdev_get(network->manager, rvalue, &netdev); if (r < 0) { log_syntax(unit, LOG_ERR, filename, line, EINVAL, - "MACVLAN is invalid, ignoring assignment: %s", rvalue); + "Tunnel is invalid, ignoring assignment: %s", rvalue); return 0; } - if (netdev->kind != NETDEV_KIND_MACVLAN) { + if (netdev->kind != NETDEV_KIND_IPIP && + netdev->kind != NETDEV_KIND_SIT && + netdev->kind != NETDEV_KIND_GRE && + netdev->kind != NETDEV_KIND_VTI) { log_syntax(unit, LOG_ERR, filename, line, EINVAL, - "NetDev is not a MACVLAN, ignoring assignment: %s", rvalue); + "NetDev is not a tunnel, ignoring assignment: %s", rvalue); return 0; } - r = hashmap_put(network->macvlans, netdev->name, netdev); - if (r < 0) { - log_syntax(unit, LOG_ERR, filename, line, EINVAL, - "Can not add MACVLAN to network: %s", rvalue); - return 0; - } + network->tunnel = netdev; return 0; }