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=6cfae75029036a0eab20df87a3731ef5384ef6c8;hp=a470c22e3dfedf96a6b7f044a307fd10441c8679;hb=e1853b00ef7cb56cafd908327dd44b3ab48b402c;hpb=9b1c2626cef16722603bded9bb52033aba34dd74
diff --git a/src/network/networkd-network.c b/src/network/networkd-network.c
index a470c22e3..6cfae7502 100644
--- a/src/network/networkd-network.c
+++ b/src/network/networkd-network.c
@@ -19,8 +19,13 @@
along with systemd; If not, see .
***/
+#include
+#include
+
#include "networkd.h"
-#include "net-util.h"
+#include "networkd-netdev.h"
+#include "networkd-link.h"
+#include "network-internal.h"
#include "path-util.h"
#include "conf-files.h"
#include "conf-parser.h"
@@ -41,7 +46,12 @@ static int network_load_one(Manager *manager, const char *filename) {
if (errno == ENOENT)
return 0;
else
- return errno;
+ return -errno;
+ }
+
+ if (null_or_empty_fd(fileno(file))) {
+ log_debug("Skipping empty file: %s", filename);
+ return 0;
}
network = new0(Network, 1);
@@ -53,15 +63,15 @@ 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(uint64_hash_func, uint64_compare_func);
- if (!network->vlans)
+ network->stacked_netdevs = hashmap_new(&string_hash_ops);
+ if (!network->stacked_netdevs)
return log_oom();
- network->addresses_by_section = hashmap_new(uint64_hash_func, uint64_compare_func);
+ network->addresses_by_section = hashmap_new(NULL);
if (!network->addresses_by_section)
return log_oom();
- network->routes_by_section = hashmap_new(uint64_hash_func, uint64_compare_func);
+ network->routes_by_section = hashmap_new(NULL);
if (!network->routes_by_section)
return log_oom();
@@ -69,20 +79,26 @@ static int network_load_one(Manager *manager, const char *filename) {
if (!network->filename)
return log_oom();
+ network->dhcp = DHCP_SUPPORT_NONE;
+ network->dhcp_ntp = true;
network->dhcp_dns = true;
network->dhcp_hostname = true;
- network->dhcp_domainname = true;
+ network->dhcp_routes = true;
+ network->dhcp_sendhost = true;
+ network->dhcp_route_metric = DHCP_ROUTE_METRIC;
- r = config_parse(NULL, filename, file, "Match\0Network\0Address\0Route\0DHCPv4\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));
+ network->llmnr = LLMNR_SUPPORT_YES;
+
+ r = config_parse(NULL, filename, file,
+ "Match\0Network\0Address\0Route\0DHCP\0DHCPv4\0BridgePort\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);
@@ -90,7 +106,7 @@ 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);
@@ -115,10 +131,8 @@ int network_load(Manager *manager) {
network_free(network);
r = conf_files_list_strv(&files, ".network", NULL, network_dirs);
- if (r < 0) {
- log_error("Failed to enumerate network files: %s", strerror(-r));
- return r;
- }
+ 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);
@@ -130,8 +144,10 @@ int network_load(Manager *manager) {
}
void network_free(Network *network) {
+ NetDev *netdev;
Route *route;
Address *address;
+ Iterator i;
if (!network)
return;
@@ -145,10 +161,21 @@ void network_free(Network *network) {
free(network->match_name);
free(network->description);
+ free(network->dhcp_vendor_class_identifier);
+
+ strv_free(network->ntp);
+ strv_free(network->dns);
+ strv_free(network->domains);
- address_free(network->dns);
+ netdev_unref(network->bridge);
- hashmap_free(network->vlans);
+ netdev_unref(network->bond);
+
+ 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);
@@ -162,28 +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);
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(udev_device_get_parent(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;
}
@@ -199,12 +234,28 @@ int network_apply(Manager *manager, Network *network, Link *link) {
link->network = network;
- r = link_configure(link);
- if (r < 0)
- return r;
+ if (network->ipv4ll_route) {
+ Route *route;
+
+ r = route_new_static(network, 0, &route);
+ if (r < 0)
+ return r;
- if (network->dns) {
- r = manager_update_resolv_conf(manager);
+ r = inet_pton(AF_INET, "169.254.0.0", &route->dst_addr.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->metrics = IPV4LL_ROUTE_METRIC;
+ route->protocol = RTPROT_STATIC;
+ }
+
+ if (network->dns || network->ntp) {
+ r = link_save(link);
if (r < 0)
return r;
}
@@ -212,7 +263,7 @@ int network_apply(Manager *manager, Network *network, Link *link) {
return 0;
}
-int config_parse_bridge(const char *unit,
+int config_parse_netdev(const char *unit,
const char *filename,
unsigned line,
const char *section,
@@ -223,7 +274,10 @@ int config_parse_bridge(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);
@@ -231,34 +285,115 @@ int config_parse_bridge(const char *unit,
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,
- "Bridge is invalid, ignoring assignment: %s", rvalue);
+ "%s could not be found, ignoring assignment: %s", lvalue, rvalue);
return 0;
}
- if (netdev->kind != NETDEV_KIND_BRIDGE) {
+ if (netdev->kind != kind) {
log_syntax(unit, LOG_ERR, filename, line, EINVAL,
- "NetDev is not a bridge, ignoring assignment: %s", rvalue);
+ "NetDev is not a %s, ignoring assignment: %s", lvalue, rvalue);
return 0;
}
- network->bridge = netdev;
+ switch (kind) {
+ case NETDEV_KIND_BRIDGE:
+ network->bridge = netdev;
+
+ break;
+ case NETDEV_KIND_BOND:
+ network->bond = netdev;
+
+ break;
+ case NETDEV_KIND_VLAN:
+ case NETDEV_KIND_MACVLAN:
+ case NETDEV_KIND_VXLAN:
+ r = hashmap_put(network->stacked_netdevs, 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;
+ default:
+ assert_not_reached("Can not parse NetDev");
+ }
+
+ netdev_ref(netdev);
return 0;
}
-int config_parse_bond(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_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) {
+ Network *network = userdata;
+ char ***domains = data;
+ char **domain;
+ int r;
+
+ r = config_parse_strv(unit, filename, line, section, section_line,
+ lvalue, ltype, rvalue, domains, userdata);
+ if (r < 0)
+ return r;
+
+ strv_uniq(*domains);
+ network->wildcard_domain = !!strv_find(*domains, "*");
+
+ STRV_FOREACH(domain, *domains) {
+ if (is_localhost(*domain))
+ log_syntax(unit, LOG_ERR, filename, line, EINVAL, "'localhost' domain names may not be configured, ignoring assignment: %s", *domain);
+ else if (!hostname_is_valid(*domain)) {
+ if (!streq(*domain, "*"))
+ log_syntax(unit, LOG_ERR, filename, line, EINVAL, "domain name is not valid, ignoring assignment: %s", *domain);
+ } else
+ continue;
+
+ strv_remove(*domains, *domain);
+
+ /* We removed one entry, make sure we don't skip the next one */
+ domain--;
+ }
+
+ 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;
@@ -271,22 +406,43 @@ int config_parse_bond(const char *unit,
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);
+ "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_VTI) {
+ log_syntax(unit, LOG_ERR, filename, line, EINVAL,
+ "NetDev is not a tunnel, ignoring assignment: %s", rvalue);
return 0;
}
- if (netdev->kind != NETDEV_KIND_BOND) {
+ r = hashmap_put(network->stacked_netdevs, netdev->ifname, netdev);
+ if (r < 0) {
log_syntax(unit, LOG_ERR, filename, line, EINVAL,
- "NetDev is not a bond, ignoring assignment: %s", rvalue);
+ "Can not add VLAN '%s' to network: %s",
+ rvalue, strerror(-r));
return 0;
}
- network->bond = netdev;
+ netdev_ref(netdev);
return 0;
}
-int config_parse_vlan(const char *unit,
+static const char* const dhcp_support_table[_DHCP_SUPPORT_MAX] = {
+ [DHCP_SUPPORT_NONE] = "none",
+ [DHCP_SUPPORT_BOTH] = "both",
+ [DHCP_SUPPORT_V4] = "v4",
+ [DHCP_SUPPORT_V6] = "v6",
+};
+
+DEFINE_STRING_TABLE_LOOKUP(dhcp_support, DHCPSupport);
+
+int config_parse_dhcp(
+ const char* unit,
const char *filename,
unsigned line,
const char *section,
@@ -296,33 +452,84 @@ int config_parse_vlan(const char *unit,
const char *rvalue,
void *data,
void *userdata) {
- Network *network = userdata;
- NetDev *netdev;
- int r;
+
+ DHCPSupport *dhcp = data;
+ int k;
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);
- return 0;
- }
+ /* Our enum shall be a superset of booleans, hence first try
+ * to parse as boolean, and then as enum */
- if (netdev->kind != NETDEV_KIND_VLAN) {
- log_syntax(unit, LOG_ERR, filename, line, EINVAL,
- "NetDev is not a VLAN, ignoring assignment: %s", rvalue);
- return 0;
+ k = parse_boolean(rvalue);
+ if (k > 0)
+ *dhcp = DHCP_SUPPORT_BOTH;
+ else if (k == 0)
+ *dhcp = DHCP_SUPPORT_NONE;
+ else {
+ DHCPSupport s;
+
+ s = dhcp_support_from_string(rvalue);
+ if (s < 0){
+ log_syntax(unit, LOG_ERR, filename, line, -s, "Failed to parse DHCP option, ignoring: %s", rvalue);
+ return 0;
+ }
+
+ *dhcp = s;
}
- 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;
+ return 0;
+}
+
+static const char* const llmnr_support_table[_LLMNR_SUPPORT_MAX] = {
+ [LLMNR_SUPPORT_NO] = "no",
+ [LLMNR_SUPPORT_YES] = "yes",
+ [LLMNR_SUPPORT_RESOLVE] = "resolve",
+};
+
+DEFINE_STRING_TABLE_LOOKUP(llmnr_support, LLMNRSupport);
+
+int config_parse_llmnr(
+ 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) {
+
+ LLMNRSupport *llmnr = data;
+ int k;
+
+ assert(filename);
+ assert(lvalue);
+ assert(rvalue);
+ assert(data);
+
+ /* 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)
+ *llmnr = LLMNR_SUPPORT_YES;
+ else if (k == 0)
+ *llmnr = LLMNR_SUPPORT_NO;
+ else {
+ LLMNRSupport s;
+
+ s = llmnr_support_from_string(rvalue);
+ if (s < 0){
+ log_syntax(unit, LOG_ERR, filename, line, -s, "Failed to parse LLMNR option, ignoring: %s", rvalue);
+ return 0;
+ }
+
+ *llmnr = s;
}
return 0;