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=a452096836bd6160e7da413ba0809a32b95acefc;hp=69c55edb8fe3ef588bb5d13a45a3817cb332c581;hb=47e2dc3168cb0509d8d61f5dbeffaa3c252685b5;hpb=f579559b3a14c1f1ef96c372e7626c4733e6ef7d diff --git a/src/network/networkd-network.c b/src/network/networkd-network.c index 69c55edb8..a45209683 100644 --- a/src/network/networkd-network.c +++ b/src/network/networkd-network.c @@ -19,44 +19,100 @@ along with systemd; If not, see . ***/ +#include + #include "networkd.h" -#include "net-util.h" +#include "network-internal.h" #include "path-util.h" #include "conf-files.h" #include "conf-parser.h" +#include "util.h" static int network_load_one(Manager *manager, const char *filename) { _cleanup_network_free_ Network *network = NULL; _cleanup_fclose_ FILE *file = NULL; + Route *route; + Address *address; int r; + assert(manager); + assert(filename); + file = fopen(filename, "re"); if (!file) { if (errno == ENOENT) return 0; else - return errno; + return -errno; + } + + if (null_or_empty_path(filename)) { + log_debug("skipping empty file: %s", filename); + return 0; } network = new0(Network, 1); if (!network) return log_oom(); - LIST_HEAD_INIT(network->addresses); + network->manager = manager; - r = config_parse(NULL, filename, file, "Match\0Network\0", config_item_perf_lookup, - (void*) network_gperf_lookup, false, false, network); - if (r < 0) { - log_warning("Could not parse config file %s: %s", filename, strerror(-r)); - return r; - } else - log_debug("Parsed configuration file %s", filename); + LIST_HEAD_INIT(network->static_addresses); + LIST_HEAD_INIT(network->static_routes); + + network->vlans = hashmap_new(string_hash_func, string_compare_func); + if (!network->vlans) + return log_oom(); + + network->macvlans = hashmap_new(uint64_hash_func, uint64_compare_func); + if (!network->macvlans) + return log_oom(); + + network->addresses_by_section = hashmap_new(uint64_hash_func, uint64_compare_func); + if (!network->addresses_by_section) + return log_oom(); + + network->routes_by_section = hashmap_new(uint64_hash_func, uint64_compare_func); + 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->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)); + return r; + } + LIST_PREPEND(networks, manager->networks, network); + + LIST_FOREACH(static_routes, route, network->static_routes) { + if (!route->family) { + log_warning("Route section without Gateway field configured in %s. " + "Ignoring", filename); + return 0; + } + } + + LIST_FOREACH(static_addresses, address, network->static_addresses) { + if (!address->family) { + log_warning("Address section without Address field configured in %s. " + "Ignoring", filename); + return 0; + } + } + network = NULL; return 0; @@ -64,7 +120,8 @@ static int network_load_one(Manager *manager, const char *filename) { int network_load(Manager *manager) { Network *network; - char **files, **f; + _cleanup_strv_free_ char **files = NULL; + char **f; int r; assert(manager); @@ -72,12 +129,9 @@ int network_load(Manager *manager) { while ((network = manager->networks)) network_free(network); - /* update timestamp */ - paths_check_timestamp(manager->network_dirs, &manager->network_dirs_ts_usec, true); - - r = conf_files_list_strv(&files, ".network", NULL, (const char **)manager->network_dirs); + r = conf_files_list_strv(&files, ".network", NULL, network_dirs); if (r < 0) { - log_error("failed to enumerate network files: %s", strerror(-r)); + log_error("Failed to enumerate network files: %s", strerror(-r)); return r; } @@ -87,18 +141,14 @@ int network_load(Manager *manager) { return r; } - strv_free(files); - return 0; } -bool network_should_reload(Manager *manager) { - return paths_check_timestamp(manager->network_dirs, &manager->network_dirs_ts_usec, false); -} - void network_free(Network *network) { + NetDev *netdev; Route *route; Address *address; + Iterator i; if (!network) return; @@ -113,39 +163,65 @@ void network_free(Network *network) { free(network->description); - while ((route = network->routes)) + SET_FOREACH(address, network->dns, i) + address_free(address); + + set_free(network->dns); + + netdev_unref(network->bridge); + + netdev_unref(network->bond); + + 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); + + while ((route = network->static_routes)) route_free(route); - while ((address = network->addresses)) + while ((address = network->static_addresses)) address_free(address); - LIST_REMOVE(networks, network->manager->networks, network); + hashmap_free(network->addresses_by_section); + hashmap_free(network->routes_by_section); + + if (network->manager && network->manager->networks) + LIST_REMOVE(networks, network->manager->networks, network); + + condition_free_list(network->match_host); + condition_free_list(network->match_virt); + condition_free_list(network->match_kernel); + condition_free_list(network->match_arch); 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); - if (network_should_reload(manager)) - network_load(manager); - 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, - udev_device_get_sysattr_value(device, "address"), - udev_device_get_property_value(device, "ID_PATH"), - udev_device_get_driver(device), - udev_device_get_devtype(device), - udev_device_get_sysname(device))) { - log_debug("Network file %s applies to link %s", - network->filename, - udev_device_get_sysname(device)); + 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'", ifname, + network->filename); *ret = network; return 0; } @@ -157,30 +233,100 @@ int network_get(Manager *manager, struct udev_device *device, Network **ret) { } int network_apply(Manager *manager, Network *network, Link *link) { - Address *address; - Route *route; int r; - log_info("Network '%s' being applied to link '%u'", - network->description, (unsigned) link->ifindex); - link->network = network; - LIST_FOREACH(addresses, address, network->addresses) { - r = address_configure(manager, address, link); + if (network->dns) { + r = manager_update_resolv_conf(manager); if (r < 0) return r; } - r = link_up(manager, link); - if (r < 0) - return r; + return 0; +} - LIST_FOREACH(routes, route, network->routes) { - r = route_configure(manager, route, link); - if (r < 0) - return r; +int config_parse_netdev(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; + char *kind_string, *p; + NetDev *netdev; + NetDevKind kind; + int r; + + assert(filename); + assert(lvalue); + assert(rvalue); + assert(data); + + 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); + + kind = netdev_kind_from_string(kind_string); + if (kind == _NETDEV_KIND_INVALID) { + log_syntax(unit, LOG_ERR, filename, line, EINVAL, + "Invalid NetDev kind: %s", lvalue); + return 0; + } + + r = netdev_get(network->manager, rvalue, &netdev); + if (r < 0) { + log_syntax(unit, LOG_ERR, filename, line, EINVAL, + "%s could not be found, ignoring assignment: %s", lvalue, rvalue); + return 0; + } + + if (netdev->kind != kind) { + log_syntax(unit, LOG_ERR, filename, line, EINVAL, + "NetDev is not a %s, ignoring assignment: %s", lvalue, 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->vlanid, netdev); + if (r < 0) { + log_syntax(unit, LOG_ERR, filename, line, EINVAL, + "Can not add VLAN to network: %s", rvalue); + return 0; + } + + break; + case NETDEV_KIND_MACVLAN: + 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; + } + + break; + default: + assert_not_reached("Can not parse NetDev"); + } + + netdev_ref(netdev); + return 0; }