X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=blobdiff_plain;f=src%2Fnetwork%2Fnetworkd-network.c;h=1b8856afebdd9397b8a783f719a9616e779266f6;hp=1606042264b584758f9a7cd7b80076d17c1acc4b;hb=091a364c802e34a58f3260c9cb5db9b75c62215c;hpb=2ad8416dd057e7e3185169609ca3006e7649f576 diff --git a/src/network/networkd-network.c b/src/network/networkd-network.c index 160604226..1b8856afe 100644 --- a/src/network/networkd-network.c +++ b/src/network/networkd-network.c @@ -19,8 +19,11 @@ along with systemd; If not, see . ***/ +#include +#include + #include "networkd.h" -#include "net-util.h" +#include "network-internal.h" #include "path-util.h" #include "conf-files.h" #include "conf-parser.h" @@ -41,7 +44,12 @@ static int network_load_one(Manager *manager, const char *filename) { 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); @@ -53,6 +61,14 @@ static int network_load_one(Manager *manager, const char *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(); @@ -65,8 +81,12 @@ static int network_load_one(Manager *manager, const char *filename) { if (!network->filename) return log_oom(); - r = config_parse(NULL, filename, file, "Match\0Network\0Address\0Route\0", config_item_perf_lookup, - (void*) network_gperf_lookup, false, false, network); + 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; @@ -74,21 +94,15 @@ static int network_load_one(Manager *manager, const char *filename) { 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); return 0; } - - if (route->dst_family && route->family != route->dst_family) { - log_warning("Route section with conflicting Gateway and Destination address " - "family configured in %s. Ignoring", filename); - return 0; - } } - 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); @@ -128,8 +142,10 @@ int network_load(Manager *manager) { } void network_free(Network *network) { + NetDev *netdev; Route *route; Address *address; + Iterator i; if (!network) return; @@ -144,6 +160,23 @@ void network_free(Network *network) { free(network->description); + while ((address = network->dns)) { + LIST_REMOVE(addresses, network->dns, address); + address_free(address); + } + + 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); @@ -156,31 +189,36 @@ void network_free(Network *network) { 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 (manager_should_reload(manager)) - manager_load_config(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("%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; } @@ -196,14 +234,16 @@ int network_apply(Manager *manager, Network *network, Link *link) { link->network = network; - r = link_configure(link); - if (r < 0) - return r; + if (network->dns) { + r = link_save(link); + if (r < 0) + return r; + } return 0; } -int config_parse_bridge(const char *unit, +int config_parse_netdev(const char *unit, const char *filename, unsigned line, const char *section, @@ -214,7 +254,10 @@ int config_parse_bridge(const char *unit, void *data, void *userdata) { Network *network = userdata; - Bridge *bridge; + _cleanup_free_ char *kind_string = NULL; + char *p; + NetDev *netdev; + NetDevKind kind; int r; assert(filename); @@ -222,14 +265,105 @@ int config_parse_bridge(const char *unit, assert(rvalue); assert(data); - r = bridge_get(network->manager, rvalue, &bridge); + 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, - "Bridge is invalid, ignoring assignment: %s", rvalue); + "%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->ifname, 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; +} + +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; + + 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, + "Tunnel is invalid, ignoring assignment: %s", rvalue); + return 0; + } + + if (netdev->kind != NETDEV_KIND_IPIP && + netdev->kind != NETDEV_KIND_SIT && + netdev->kind != NETDEV_KIND_GRE) { + log_syntax(unit, LOG_ERR, filename, line, EINVAL, + "NetDev is not a tunnel, ignoring assignment: %s", rvalue); return 0; } - network->bridge = bridge; + network->tunnel = netdev; return 0; }