diff options
Diffstat (limited to 'src/network/networkd-network.c')
| -rw-r--r-- | src/network/networkd-network.c | 1136 |
1 files changed, 0 insertions, 1136 deletions
diff --git a/src/network/networkd-network.c b/src/network/networkd-network.c deleted file mode 100644 index 042232fcac..0000000000 --- a/src/network/networkd-network.c +++ /dev/null @@ -1,1136 +0,0 @@ -/*** - This file is part of systemd. - - Copyright 2013 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 <ctype.h> -#include <net/if.h> - -#include "alloc-util.h" -#include "conf-files.h" -#include "conf-parser.h" -#include "dns-domain.h" -#include "fd-util.h" -#include "hostname-util.h" -#include "network-internal.h" -#include "networkd-network.h" -#include "networkd.h" -#include "parse-util.h" -#include "set.h" -#include "stat-util.h" -#include "string-table.h" -#include "string-util.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; - char *d; - const char *dropin_dirname; - Route *route; - Address *address; - int r; - - assert(manager); - assert(filename); - - file = fopen(filename, "re"); - if (!file) { - if (errno == ENOENT) - return 0; - - 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(); - - network->manager = manager; - - LIST_HEAD_INIT(network->static_addresses); - LIST_HEAD_INIT(network->static_routes); - LIST_HEAD_INIT(network->static_fdb_entries); - - network->stacked_netdevs = hashmap_new(&string_hash_ops); - if (!network->stacked_netdevs) - return log_oom(); - - network->addresses_by_section = hashmap_new(NULL); - if (!network->addresses_by_section) - return log_oom(); - - network->routes_by_section = hashmap_new(NULL); - if (!network->routes_by_section) - return log_oom(); - - network->fdb_entries_by_section = hashmap_new(NULL); - if (!network->fdb_entries_by_section) - return log_oom(); - - network->filename = strdup(filename); - if (!network->filename) - return log_oom(); - - network->name = strdup(basename(filename)); - if (!network->name) - return log_oom(); - - d = strrchr(network->name, '.'); - if (!d) - return -EINVAL; - - assert(streq(d, ".network")); - - *d = '\0'; - - network->dhcp = ADDRESS_FAMILY_NO; - network->dhcp_use_ntp = true; - network->dhcp_use_dns = true; - network->dhcp_use_hostname = true; - network->dhcp_use_routes = true; - network->dhcp_send_hostname = true; - network->dhcp_route_metric = DHCP_ROUTE_METRIC; - network->dhcp_client_identifier = DHCP_CLIENT_ID_DUID; - network->dhcp_route_table = RT_TABLE_MAIN; - - network->dhcp_server_emit_dns = true; - network->dhcp_server_emit_ntp = true; - network->dhcp_server_emit_router = true; - network->dhcp_server_emit_timezone = true; - - network->use_bpdu = true; - network->allow_port_to_be_root = true; - network->unicast_flood = true; - - network->lldp_mode = LLDP_MODE_ROUTERS_ONLY; - - network->llmnr = RESOLVE_SUPPORT_YES; - network->mdns = RESOLVE_SUPPORT_NO; - network->dnssec_mode = _DNSSEC_MODE_INVALID; - - network->link_local = ADDRESS_FAMILY_IPV6; - - network->ipv6_privacy_extensions = IPV6_PRIVACY_EXTENSIONS_NO; - network->ipv6_accept_ra = -1; - network->ipv6_dad_transmits = -1; - network->ipv6_hop_limit = -1; - network->duid.type = _DUID_TYPE_INVALID; - network->proxy_arp = -1; - network->arp = -1; - network->ipv6_accept_ra_use_dns = true; - network->ipv6_accept_ra_route_table = RT_TABLE_MAIN; - - dropin_dirname = strjoina(network->name, ".network.d"); - - r = config_parse_many(filename, network_dirs, dropin_dirname, - "Match\0" - "Link\0" - "Network\0" - "Address\0" - "Route\0" - "DHCP\0" - "DHCPv4\0" /* compat */ - "DHCPServer\0" - "IPv6AcceptRA\0" - "Bridge\0" - "BridgeFDB\0" - "BridgeVLAN\0", - config_item_perf_lookup, network_network_gperf_lookup, - false, network); - if (r < 0) - return r; - - /* IPMasquerade=yes implies IPForward=yes */ - if (network->ip_masquerade) - network->ip_forward |= ADDRESS_FAMILY_IPV4; - - LIST_PREPEND(networks, manager->networks, network); - - r = hashmap_ensure_allocated(&manager->networks_by_name, &string_hash_ops); - if (r < 0) - return r; - - r = hashmap_put(manager->networks_by_name, network->name, network); - if (r < 0) - return r; - - LIST_FOREACH(routes, route, network->static_routes) { - if (!route->family) { - log_warning("Route section without Gateway field configured in %s. " - "Ignoring", filename); - return 0; - } - } - - LIST_FOREACH(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; -} - -int network_load(Manager *manager) { - Network *network; - _cleanup_strv_free_ char **files = NULL; - char **f; - int r; - - assert(manager); - - while ((network = manager->networks)) - network_free(network); - - r = conf_files_list_strv(&files, ".network", NULL, network_dirs); - if (r < 0) - return log_error_errno(r, "Failed to enumerate network files: %m"); - - STRV_FOREACH_BACKWARDS(f, files) { - r = network_load_one(manager, *f); - if (r < 0) - return r; - } - - return 0; -} - -void network_free(Network *network) { - NetDev *netdev; - Route *route; - Address *address; - FdbEntry *fdb_entry; - Iterator i; - - if (!network) - return; - - free(network->filename); - - free(network->match_mac); - strv_free(network->match_path); - strv_free(network->match_driver); - strv_free(network->match_type); - strv_free(network->match_name); - - free(network->description); - free(network->dhcp_vendor_class_identifier); - free(network->dhcp_hostname); - - free(network->mac); - - strv_free(network->ntp); - strv_free(network->dns); - strv_free(network->search_domains); - strv_free(network->route_domains); - strv_free(network->bind_carrier); - - netdev_unref(network->bridge); - netdev_unref(network->bond); - netdev_unref(network->vrf); - - HASHMAP_FOREACH(netdev, network->stacked_netdevs, i) { - hashmap_remove(network->stacked_netdevs, netdev->ifname); - netdev_unref(netdev); - } - hashmap_free(network->stacked_netdevs); - - while ((route = network->static_routes)) - route_free(route); - - while ((address = network->static_addresses)) - address_free(address); - - while ((fdb_entry = network->static_fdb_entries)) - fdb_entry_free(fdb_entry); - - hashmap_free(network->addresses_by_section); - hashmap_free(network->routes_by_section); - hashmap_free(network->fdb_entries_by_section); - - if (network->manager) { - if (network->manager->networks) - LIST_REMOVE(networks, network->manager->networks, network); - - if (network->manager->networks_by_name) - hashmap_remove(network->manager->networks_by_name, network->name); - } - - free(network->name); - - 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->dhcp_server_timezone); - free(network->dhcp_server_dns); - free(network->dhcp_server_ntp); - - set_free_free(network->dnssec_negative_trust_anchors); - - free(network); -} - -int network_get_by_name(Manager *manager, const char *name, Network **ret) { - Network *network; - - assert(manager); - assert(name); - assert(ret); - - network = hashmap_get(manager->networks_by_name, name); - if (!network) - return -ENOENT; - - *ret = network; - - return 0; -} - -int network_get(Manager *manager, struct udev_device *device, - const char *ifname, const struct ether_addr *address, - Network **ret) { - Network *network; - struct udev_device *parent; - const char *path = NULL, *parent_driver = NULL, *driver = NULL, *devtype = NULL; - - assert(manager); - assert(ret); - - if (device) { - path = udev_device_get_property_value(device, "ID_PATH"); - - parent = udev_device_get_parent(device); - if (parent) - parent_driver = udev_device_get_driver(parent); - - driver = udev_device_get_property_value(device, "ID_NET_DRIVER"); - - devtype = udev_device_get_devtype(device); - } - - 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, - address, path, parent_driver, driver, - devtype, ifname)) { - if (network->match_name && device) { - const char *attr; - uint8_t name_assign_type = NET_NAME_UNKNOWN; - - attr = udev_device_get_sysattr_value(device, "name_assign_type"); - if (attr) - (void) safe_atou8(attr, &name_assign_type); - - if (name_assign_type == NET_NAME_ENUM) - log_warning("%s: found matching network '%s', based on potentially unpredictable ifname", - ifname, network->filename); - else - log_debug("%s: found matching network '%s'", ifname, network->filename); - } else - log_debug("%s: found matching network '%s'", ifname, network->filename); - - *ret = network; - return 0; - } - } - - *ret = NULL; - - return -ENOENT; -} - -int network_apply(Manager *manager, Network *network, Link *link) { - int r; - - assert(manager); - assert(network); - assert(link); - - link->network = network; - - if (network->ipv4ll_route) { - Route *route; - - r = route_new_static(network, 0, &route); - if (r < 0) - return r; - - r = inet_pton(AF_INET, "169.254.0.0", &route->dst.in); - if (r == 0) - return -EINVAL; - if (r < 0) - return -errno; - - route->family = AF_INET; - route->dst_prefixlen = 16; - route->scope = RT_SCOPE_LINK; - route->priority = IPV4LL_ROUTE_METRIC; - route->protocol = RTPROT_STATIC; - } - - if (!strv_isempty(network->dns) || - !strv_isempty(network->ntp) || - !strv_isempty(network->search_domains) || - !strv_isempty(network->route_domains)) - link_dirty(link); - - return 0; -} - -bool network_has_static_ipv6_addresses(Network *network) { - Address *address; - - assert(network); - - LIST_FOREACH(addresses, address, network->static_addresses) { - if (address->family == AF_INET6) - return true; - } - - return false; -} - -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; - _cleanup_free_ char *kind_string = NULL; - char *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, 0, "Invalid NetDev kind: %s", lvalue); - return 0; - } - - r = netdev_get(network->manager, rvalue, &netdev); - if (r < 0) { - log_syntax(unit, LOG_ERR, filename, line, r, "%s could not be found, ignoring assignment: %s", lvalue, rvalue); - return 0; - } - - if (netdev->kind != kind) { - log_syntax(unit, LOG_ERR, filename, line, 0, "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_VRF: - network->vrf = netdev; - - break; - case NETDEV_KIND_VLAN: - case NETDEV_KIND_MACVLAN: - case NETDEV_KIND_MACVTAP: - case NETDEV_KIND_IPVLAN: - case NETDEV_KIND_VXLAN: - case NETDEV_KIND_VCAN: - r = hashmap_put(network->stacked_netdevs, netdev->ifname, netdev); - if (r < 0) { - log_syntax(unit, LOG_ERR, filename, line, r, "Can not add NetDev '%s' to network: %m", rvalue); - return 0; - } - - break; - default: - assert_not_reached("Can not parse NetDev"); - } - - netdev_ref(netdev); - - return 0; -} - -int config_parse_domains( - 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) { - - const char *p; - Network *n = data; - int r; - - assert(n); - assert(lvalue); - assert(rvalue); - - if (isempty(rvalue)) { - n->search_domains = strv_free(n->search_domains); - n->route_domains = strv_free(n->route_domains); - return 0; - } - - p = rvalue; - for (;;) { - _cleanup_free_ char *w = NULL, *normalized = NULL; - const char *domain; - bool is_route; - - r = extract_first_word(&p, &w, NULL, 0); - if (r < 0) { - log_syntax(unit, LOG_ERR, filename, line, r, "Failed to extract search or route domain, ignoring: %s", rvalue); - break; - } - if (r == 0) - break; - - is_route = w[0] == '~'; - domain = is_route ? w + 1 : w; - - if (dns_name_is_root(domain) || streq(domain, "*")) { - /* If the root domain appears as is, or the special token "*" is found, we'll consider this as - * routing domain, unconditionally. */ - is_route = true; - domain = "."; /* make sure we don't allow empty strings, thus write the root domain as "." */ - - } else { - r = dns_name_normalize(domain, &normalized); - if (r < 0) { - log_syntax(unit, LOG_ERR, filename, line, r, "'%s' is not a valid domain name, ignoring.", domain); - continue; - } - - domain = normalized; - - if (is_localhost(domain)) { - log_syntax(unit, LOG_ERR, filename, line, 0, "'localhost' domain names may not be configure as search or route domains, ignoring assignment: %s", domain); - continue; - } - } - - if (is_route) { - r = strv_extend(&n->route_domains, domain); - if (r < 0) - return log_oom(); - - } else { - r = strv_extend(&n->search_domains, domain); - if (r < 0) - return log_oom(); - } - } - - strv_uniq(n->route_domains); - strv_uniq(n->search_domains); - - 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, r, "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 && - netdev->kind != NETDEV_KIND_GRETAP && - netdev->kind != NETDEV_KIND_IP6GRE && - netdev->kind != NETDEV_KIND_IP6GRETAP && - netdev->kind != NETDEV_KIND_VTI && - netdev->kind != NETDEV_KIND_VTI6 && - netdev->kind != NETDEV_KIND_IP6TNL - ) { - log_syntax(unit, LOG_ERR, filename, line, 0, - "NetDev is not a tunnel, ignoring assignment: %s", rvalue); - return 0; - } - - r = hashmap_put(network->stacked_netdevs, netdev->ifname, netdev); - if (r < 0) { - log_syntax(unit, LOG_ERR, filename, line, r, "Cannot add VLAN '%s' to network, ignoring: %m", rvalue); - return 0; - } - - netdev_ref(netdev); - - return 0; -} - -int config_parse_ipv4ll( - 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) { - - AddressFamilyBoolean *link_local = data; - - assert(filename); - assert(lvalue); - assert(rvalue); - assert(data); - - /* Note that this is mostly like - * config_parse_address_family_boolean(), except that it - * applies only to IPv4 */ - - SET_FLAG(*link_local, ADDRESS_FAMILY_IPV4, parse_boolean(rvalue)); - - return 0; -} - -int config_parse_dhcp( - 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) { - - AddressFamilyBoolean *dhcp = data, s; - - assert(filename); - assert(lvalue); - assert(rvalue); - assert(data); - - /* Note that this is mostly like - * config_parse_address_family_boolean(), except that it - * understands some old names for the enum values */ - - s = address_family_boolean_from_string(rvalue); - if (s < 0) { - - /* Previously, we had a slightly different enum here, - * support its values for compatbility. */ - - if (streq(rvalue, "none")) - s = ADDRESS_FAMILY_NO; - else if (streq(rvalue, "v4")) - s = ADDRESS_FAMILY_IPV4; - else if (streq(rvalue, "v6")) - s = ADDRESS_FAMILY_IPV6; - else if (streq(rvalue, "both")) - s = ADDRESS_FAMILY_YES; - else { - log_syntax(unit, LOG_ERR, filename, line, 0, "Failed to parse DHCP option, ignoring: %s", rvalue); - return 0; - } - } - - *dhcp = s; - return 0; -} - -static const char* const dhcp_client_identifier_table[_DHCP_CLIENT_ID_MAX] = { - [DHCP_CLIENT_ID_MAC] = "mac", - [DHCP_CLIENT_ID_DUID] = "duid" -}; - -DEFINE_PRIVATE_STRING_TABLE_LOOKUP_FROM_STRING(dhcp_client_identifier, DCHPClientIdentifier); -DEFINE_CONFIG_PARSE_ENUM(config_parse_dhcp_client_identifier, dhcp_client_identifier, DCHPClientIdentifier, "Failed to parse client identifier type"); - -int config_parse_ipv6token( - 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) { - - union in_addr_union buffer; - struct in6_addr *token = data; - int r; - - assert(filename); - assert(lvalue); - assert(rvalue); - assert(token); - - r = in_addr_from_string(AF_INET6, rvalue, &buffer); - if (r < 0) { - log_syntax(unit, LOG_ERR, filename, line, r, "Failed to parse IPv6 token, ignoring: %s", rvalue); - return 0; - } - - r = in_addr_is_null(AF_INET6, &buffer); - if (r != 0) { - log_syntax(unit, LOG_ERR, filename, line, r, "IPv6 token can not be the ANY address, ignoring: %s", rvalue); - return 0; - } - - if ((buffer.in6.s6_addr32[0] | buffer.in6.s6_addr32[1]) != 0) { - log_syntax(unit, LOG_ERR, filename, line, 0, "IPv6 token can not be longer than 64 bits, ignoring: %s", rvalue); - return 0; - } - - *token = buffer.in6; - - return 0; -} - -static const char* const ipv6_privacy_extensions_table[_IPV6_PRIVACY_EXTENSIONS_MAX] = { - [IPV6_PRIVACY_EXTENSIONS_NO] = "no", - [IPV6_PRIVACY_EXTENSIONS_PREFER_PUBLIC] = "prefer-public", - [IPV6_PRIVACY_EXTENSIONS_YES] = "yes", -}; - -DEFINE_STRING_TABLE_LOOKUP(ipv6_privacy_extensions, IPv6PrivacyExtensions); - -int config_parse_ipv6_privacy_extensions( - 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) { - - IPv6PrivacyExtensions *ipv6_privacy_extensions = data; - int k; - - assert(filename); - assert(lvalue); - assert(rvalue); - assert(ipv6_privacy_extensions); - - /* Our enum shall be a superset of booleans, hence first try - * to parse as boolean, and then as enum */ - - k = parse_boolean(rvalue); - if (k > 0) - *ipv6_privacy_extensions = IPV6_PRIVACY_EXTENSIONS_YES; - else if (k == 0) - *ipv6_privacy_extensions = IPV6_PRIVACY_EXTENSIONS_NO; - else { - IPv6PrivacyExtensions s; - - s = ipv6_privacy_extensions_from_string(rvalue); - if (s < 0) { - - if (streq(rvalue, "kernel")) - s = _IPV6_PRIVACY_EXTENSIONS_INVALID; - else { - log_syntax(unit, LOG_ERR, filename, line, 0, "Failed to parse IPv6 privacy extensions option, ignoring: %s", rvalue); - return 0; - } - } - - *ipv6_privacy_extensions = s; - } - - return 0; -} - -int config_parse_hostname( - 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) { - - char **hostname = data, *hn = NULL; - int r; - - assert(filename); - assert(lvalue); - assert(rvalue); - - r = config_parse_string(unit, filename, line, section, section_line, lvalue, ltype, rvalue, &hn, userdata); - if (r < 0) - return r; - - if (!hostname_is_valid(hn, false)) { - log_syntax(unit, LOG_ERR, filename, line, 0, "Hostname is not valid, ignoring assignment: %s", rvalue); - free(hn); - return 0; - } - - free(*hostname); - *hostname = hostname_cleanup(hn); - return 0; -} - -int config_parse_timezone( - 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) { - - char **datap = data, *tz = NULL; - int r; - - assert(filename); - assert(lvalue); - assert(rvalue); - - r = config_parse_string(unit, filename, line, section, section_line, lvalue, ltype, rvalue, &tz, userdata); - if (r < 0) - return r; - - if (!timezone_is_valid(tz)) { - log_syntax(unit, LOG_ERR, filename, line, 0, "Timezone is not valid, ignoring assignment: %s", rvalue); - free(tz); - return 0; - } - - free(*datap); - *datap = tz; - - return 0; -} - -int config_parse_dhcp_server_dns( - 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 *n = data; - const char *p = rvalue; - int r; - - assert(filename); - assert(lvalue); - assert(rvalue); - - for (;;) { - _cleanup_free_ char *w = NULL; - struct in_addr a, *m; - - r = extract_first_word(&p, &w, NULL, 0); - if (r < 0) { - log_syntax(unit, LOG_ERR, filename, line, r, "Failed to extract word, ignoring: %s", rvalue); - return 0; - } - - if (r == 0) - return 0; - - if (inet_pton(AF_INET, w, &a) <= 0) { - log_syntax(unit, LOG_ERR, filename, line, 0, "Failed to parse DNS server address, ignoring: %s", w); - continue; - } - - m = realloc(n->dhcp_server_dns, (n->n_dhcp_server_dns + 1) * sizeof(struct in_addr)); - if (!m) - return log_oom(); - - m[n->n_dhcp_server_dns++] = a; - n->dhcp_server_dns = m; - } -} - -int config_parse_dhcp_server_ntp( - 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 *n = data; - const char *p = rvalue; - int r; - - assert(filename); - assert(lvalue); - assert(rvalue); - - for (;;) { - _cleanup_free_ char *w = NULL; - struct in_addr a, *m; - - r = extract_first_word(&p, &w, NULL, 0); - if (r < 0) { - log_syntax(unit, LOG_ERR, filename, line, r, "Failed to extract word, ignoring: %s", rvalue); - return 0; - } - - if (r == 0) - return 0; - - if (inet_pton(AF_INET, w, &a) <= 0) { - log_syntax(unit, LOG_ERR, filename, line, 0, "Failed to parse NTP server address, ignoring: %s", w); - continue; - } - - m = realloc(n->dhcp_server_ntp, (n->n_dhcp_server_ntp + 1) * sizeof(struct in_addr)); - if (!m) - return log_oom(); - - m[n->n_dhcp_server_ntp++] = a; - n->dhcp_server_ntp = m; - } -} - -int config_parse_dns( - 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 *n = userdata; - int r; - - assert(filename); - assert(lvalue); - assert(rvalue); - - for (;;) { - _cleanup_free_ char *w = NULL; - union in_addr_union a; - int family; - - r = extract_first_word(&rvalue, &w, WHITESPACE, EXTRACT_QUOTES|EXTRACT_RETAIN_ESCAPE); - if (r == 0) - break; - if (r == -ENOMEM) - return log_oom(); - if (r < 0) { - log_syntax(unit, LOG_ERR, filename, line, r, "Invalid syntax, ignoring: %s", rvalue); - break; - } - - r = in_addr_from_string_auto(w, &family, &a); - if (r < 0) { - log_syntax(unit, LOG_ERR, filename, line, 0, "Failed to parse dns server address, ignoring: %s", w); - continue; - } - - r = strv_consume(&n->dns, w); - if (r < 0) - return log_oom(); - - w = NULL; - } - - return 0; -} - -int config_parse_dnssec_negative_trust_anchors( - 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) { - - const char *p = rvalue; - Network *n = data; - int r; - - assert(n); - assert(lvalue); - assert(rvalue); - - if (isempty(rvalue)) { - n->dnssec_negative_trust_anchors = set_free_free(n->dnssec_negative_trust_anchors); - return 0; - } - - for (;;) { - _cleanup_free_ char *w = NULL; - - r = extract_first_word(&p, &w, NULL, 0); - if (r < 0) { - log_syntax(unit, LOG_ERR, filename, line, r, "Failed to extract negative trust anchor domain, ignoring: %s", rvalue); - break; - } - if (r == 0) - break; - - r = dns_name_is_valid(w); - if (r <= 0) { - log_syntax(unit, LOG_ERR, filename, line, r, "%s is not a valid domain name, ignoring.", w); - continue; - } - - r = set_ensure_allocated(&n->dnssec_negative_trust_anchors, &dns_name_hash_ops); - if (r < 0) - return log_oom(); - - r = set_put(n->dnssec_negative_trust_anchors, w); - if (r < 0) - return log_oom(); - if (r > 0) - w = NULL; - } - - return 0; -} - -int config_parse_dhcp_route_table(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) { - uint32_t rt; - int r; - - assert(filename); - assert(lvalue); - assert(rvalue); - assert(data); - - r = safe_atou32(rvalue, &rt); - if (r < 0) { - log_syntax(unit, LOG_ERR, filename, line, r, - "Unable to read RouteTable, ignoring assignment: %s", rvalue); - return 0; - } - - *((uint32_t *)data) = rt; - - return 0; -} - -DEFINE_CONFIG_PARSE_ENUM(config_parse_dhcp_use_domains, dhcp_use_domains, DHCPUseDomains, "Failed to parse DHCP use domains setting"); - -static const char* const dhcp_use_domains_table[_DHCP_USE_DOMAINS_MAX] = { - [DHCP_USE_DOMAINS_NO] = "no", - [DHCP_USE_DOMAINS_ROUTE] = "route", - [DHCP_USE_DOMAINS_YES] = "yes", -}; - -DEFINE_STRING_TABLE_LOOKUP_WITH_BOOLEAN(dhcp_use_domains, DHCPUseDomains, DHCP_USE_DOMAINS_YES); - -DEFINE_CONFIG_PARSE_ENUM(config_parse_lldp_mode, lldp_mode, LLDPMode, "Failed to parse LLDP= setting."); - -static const char* const lldp_mode_table[_LLDP_MODE_MAX] = { - [LLDP_MODE_NO] = "no", - [LLDP_MODE_YES] = "yes", - [LLDP_MODE_ROUTERS_ONLY] = "routers-only", -}; - -DEFINE_STRING_TABLE_LOOKUP_WITH_BOOLEAN(lldp_mode, LLDPMode, LLDP_MODE_YES); |