#include <net/if.h>
#include "networkd.h"
+#include "networkd-link.h"
#include "utf8.h"
#include "util.h"
#include "conf-parser.h"
-#include "net-util.h"
+#include "network-internal.h"
-int route_new(Network *network, Route **ret) {
+int route_new_static(Network *network, unsigned section, Route **ret) {
_cleanup_route_free_ Route *route = NULL;
+ if (section) {
+ route = hashmap_get(network->routes_by_section,
+ UINT_TO_PTR(section));
+ if (route) {
+ *ret = route;
+ route = NULL;
+
+ return 0;
+ }
+ }
+
route = new0(Route, 1);
if (!route)
return -ENOMEM;
+ route->family = AF_UNSPEC;
+ route->scope = RT_SCOPE_UNIVERSE;
+ route->protocol = RTPROT_STATIC;
+
route->network = network;
- LIST_PREPEND(routes, network->routes, route);
+ LIST_PREPEND(routes, network->static_routes, route);
+
+ if (section) {
+ route->section = section;
+ hashmap_put(network->routes_by_section,
+ UINT_TO_PTR(route->section), route);
+ }
+
+ *ret = route;
+ route = NULL;
+
+ return 0;
+}
+
+int route_new_dynamic(Route **ret, unsigned char rtm_protocol) {
+ _cleanup_route_free_ Route *route = NULL;
+
+ route = new0(Route, 1);
+ if (!route)
+ return -ENOMEM;
+
+ route->family = AF_UNSPEC;
+ route->scope = RT_SCOPE_UNIVERSE;
+ route->protocol = rtm_protocol;
*ret = route;
route = NULL;
if (!route)
return;
- LIST_REMOVE(routes, route->network->routes, route);
+ if (route->network) {
+ LIST_REMOVE(routes, route->network->static_routes, route);
+
+ if (route->section)
+ hashmap_remove(route->network->routes_by_section,
+ UINT_TO_PTR(route->section));
+ }
free(route);
}
-int route_configure(Manager *manager, Route *route, Link *link) {
- _cleanup_sd_rtnl_message_unref_ sd_rtnl_message *req = NULL;
+int route_drop(Route *route, Link *link,
+ sd_rtnl_message_handler_t callback) {
+ _cleanup_rtnl_message_unref_ sd_rtnl_message *req = NULL;
+ int r;
+
+ assert(link);
+ assert(link->manager);
+ assert(link->manager->rtnl);
+ assert(link->ifindex > 0);
+ assert(route->family == AF_INET || route->family == AF_INET6);
+
+ r = sd_rtnl_message_new_route(link->manager->rtnl, &req,
+ RTM_DELROUTE, route->family,
+ route->protocol);
+ if (r < 0) {
+ log_error("Could not create RTM_DELROUTE message: %s", strerror(-r));
+ return r;
+ }
+
+ if (!in_addr_is_null(route->family, &route->in_addr)) {
+ if (route->family == AF_INET)
+ r = sd_rtnl_message_append_in_addr(req, RTA_GATEWAY, &route->in_addr.in);
+ else if (route->family == AF_INET6)
+ r = sd_rtnl_message_append_in6_addr(req, RTA_GATEWAY, &route->in_addr.in6);
+ if (r < 0) {
+ log_error("Could not append RTA_GATEWAY attribute: %s", strerror(-r));
+ return r;
+ }
+ }
+
+ if (route->dst_prefixlen) {
+ if (route->family == AF_INET)
+ r = sd_rtnl_message_append_in_addr(req, RTA_DST, &route->dst_addr.in);
+ else if (route->family == AF_INET6)
+ r = sd_rtnl_message_append_in6_addr(req, RTA_DST, &route->dst_addr.in6);
+ if (r < 0) {
+ log_error("Could not append RTA_DST attribute: %s", strerror(-r));
+ return r;
+ }
+
+ r = sd_rtnl_message_route_set_dst_prefixlen(req, route->dst_prefixlen);
+ if (r < 0) {
+ log_error("Could not set destination prefix length: %s", strerror(-r));
+ return r;
+ }
+ }
+
+ if (!in_addr_is_null(route->family, &route->prefsrc_addr)) {
+ if (route->family == AF_INET)
+ r = sd_rtnl_message_append_in_addr(req, RTA_PREFSRC, &route->prefsrc_addr.in);
+ else if (route->family == AF_INET6)
+ r = sd_rtnl_message_append_in6_addr(req, RTA_PREFSRC, &route->prefsrc_addr.in6);
+ if (r < 0) {
+ log_error("Could not append RTA_PREFSRC attribute: %s", strerror(-r));
+ return r;
+ }
+ }
+
+ r = sd_rtnl_message_route_set_scope(req, route->scope);
+ if (r < 0) {
+ log_error("Could not set scope: %s", strerror(-r));
+ return r;
+ }
+
+ r = sd_rtnl_message_append_u32(req, RTA_PRIORITY, route->metrics);
+ if (r < 0) {
+ log_error("Could not append RTA_PRIORITY attribute: %s", strerror(-r));
+ return r;
+ }
+
+ r = sd_rtnl_message_append_u32(req, RTA_OIF, link->ifindex);
+ if (r < 0) {
+ log_error("Could not append RTA_OIF attribute: %s", strerror(-r));
+ return r;
+ }
+
+ r = sd_rtnl_call_async(link->manager->rtnl, req, callback, link, 0, NULL);
+ if (r < 0) {
+ log_error("Could not send rtnetlink message: %s", strerror(-r));
+ return r;
+ }
+
+ link_ref(link);
+
+ return 0;
+}
+
+int route_configure(Route *route, Link *link,
+ sd_rtnl_message_handler_t callback) {
+ _cleanup_rtnl_message_unref_ sd_rtnl_message *req = NULL;
int r;
- assert(manager);
assert(link);
+ assert(link->manager);
+ assert(link->manager->rtnl);
assert(link->ifindex > 0);
assert(route->family == AF_INET || route->family == AF_INET6);
- r = sd_rtnl_message_route_new(RTM_NEWROUTE, route->family, 0, 0, 0,
- RT_TABLE_MAIN, RT_SCOPE_UNIVERSE, RTPROT_BOOT,
- RTN_UNICAST, 0, &req);
+ r = sd_rtnl_message_new_route(link->manager->rtnl, &req,
+ RTM_NEWROUTE, route->family,
+ route->protocol);
if (r < 0) {
log_error("Could not create RTM_NEWROUTE message: %s", strerror(-r));
return r;
}
- r = sd_rtnl_message_append(req, RTA_GATEWAY, &route->in_addr);
+ if (!in_addr_is_null(route->family, &route->in_addr)) {
+ if (route->family == AF_INET)
+ r = sd_rtnl_message_append_in_addr(req, RTA_GATEWAY, &route->in_addr.in);
+ else if (route->family == AF_INET6)
+ r = sd_rtnl_message_append_in6_addr(req, RTA_GATEWAY, &route->in_addr.in6);
+ if (r < 0) {
+ log_error("Could not append RTA_GATEWAY attribute: %s", strerror(-r));
+ return r;
+ }
+ }
+
+ if (route->dst_prefixlen) {
+ if (route->family == AF_INET)
+ r = sd_rtnl_message_append_in_addr(req, RTA_DST, &route->dst_addr.in);
+ else if (route->family == AF_INET6)
+ r = sd_rtnl_message_append_in6_addr(req, RTA_DST, &route->dst_addr.in6);
+ if (r < 0) {
+ log_error("Could not append RTA_DST attribute: %s", strerror(-r));
+ return r;
+ }
+
+ r = sd_rtnl_message_route_set_dst_prefixlen(req, route->dst_prefixlen);
+ if (r < 0) {
+ log_error("Could not set destination prefix length: %s", strerror(-r));
+ return r;
+ }
+ }
+
+ if (!in_addr_is_null(route->family, &route->prefsrc_addr)) {
+ if (route->family == AF_INET)
+ r = sd_rtnl_message_append_in_addr(req, RTA_PREFSRC, &route->prefsrc_addr.in);
+ else if (route->family == AF_INET6)
+ r = sd_rtnl_message_append_in6_addr(req, RTA_PREFSRC, &route->prefsrc_addr.in6);
+ if (r < 0) {
+ log_error("Could not append RTA_PREFSRC attribute: %s", strerror(-r));
+ return r;
+ }
+ }
+
+ r = sd_rtnl_message_route_set_scope(req, route->scope);
+ if (r < 0) {
+ log_error("Could not set scope: %s", strerror(-r));
+ return r;
+ }
+
+ r = sd_rtnl_message_append_u32(req, RTA_PRIORITY, route->metrics);
if (r < 0) {
- log_error("Could not append RTA_GATEWAY attribute: %s", strerror(-r));
+ log_error("Could not append RTA_PRIORITY attribute: %s", strerror(-r));
return r;
}
- r = sd_rtnl_message_append(req, RTA_OIF, &link->ifindex);
+ r = sd_rtnl_message_append_u32(req, RTA_OIF, link->ifindex);
if (r < 0) {
log_error("Could not append RTA_OIF attribute: %s", strerror(-r));
return r;
}
- r = sd_rtnl_send_with_reply_and_block(manager->rtnl, req, 0, NULL);
+ r = sd_rtnl_call_async(link->manager->rtnl, req, callback, link, 0, NULL);
if (r < 0) {
- log_error("Could not configure route: %s", strerror(-r));
+ log_error("Could not send rtnetlink message: %s", strerror(-r));
return r;
}
- log_info("Configured route");
+ link_ref(link);
return 0;
}
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_route_free_ Route *n = NULL;
- _cleanup_free_ char *route = NULL;
- int r;
+ union in_addr_union buffer;
+ int r, f;
+
+ assert(filename);
+ assert(section);
+ assert(lvalue);
+ assert(rvalue);
+ assert(data);
+
+ if (streq(section, "Network")) {
+ /* we are not in an Route section, so treat
+ * this as the special '0' section */
+ section_line = 0;
+ }
+
+ r = route_new_static(network, section_line, &n);
+ if (r < 0)
+ return r;
+
+ r = in_addr_from_string_auto(rvalue, &f, &buffer);
+ if (r < 0) {
+ log_syntax(unit, LOG_ERR, filename, line, EINVAL,
+ "Route is invalid, ignoring assignment: %s", rvalue);
+ return 0;
+ }
+
+ n->family = f;
+ n->in_addr = buffer;
+ n = NULL;
+
+ return 0;
+}
+
+int config_parse_destination(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_route_free_ Route *n = NULL;
+ const char *address, *e;
+ union in_addr_union buffer;
+ int r, f;
assert(filename);
+ assert(section);
assert(lvalue);
assert(rvalue);
assert(data);
- r = route_new(userdata, &n);
+ r = route_new_static(network, section_line, &n);
if (r < 0)
return r;
- r = net_parse_inaddr(rvalue, &n->family, &n->in_addr);
+ /* Destination=address/prefixlen */
+
+ /* address */
+ e = strchr(rvalue, '/');
+ if (e)
+ address = strndupa(rvalue, e - rvalue);
+ else
+ address = rvalue;
+
+ r = in_addr_from_string_auto(address, &f, &buffer);
if (r < 0) {
log_syntax(unit, LOG_ERR, filename, line, EINVAL,
- "Route is invalid, ignoring assignment: %s", route);
+ "Destination is invalid, ignoring assignment: %s", address);
return 0;
}
+ /* prefixlen */
+ if (e) {
+ unsigned i;
+
+ r = safe_atou(e + 1, &i);
+ if (r < 0) {
+ log_syntax(unit, LOG_ERR, filename, line, EINVAL,
+ "Route destination prefix length is invalid, ignoring assignment: %s", e + 1);
+ return 0;
+ }
+
+ n->dst_prefixlen = (unsigned char) i;
+ } else {
+ switch (n->family) {
+ case AF_INET:
+ n->dst_prefixlen = 32;
+ break;
+ case AF_INET6:
+ n->dst_prefixlen = 128;
+ break;
+ }
+ }
+
+ n->family = f;
+ n->dst_addr = buffer;
+ n = NULL;
+
+ return 0;
+}
+
+int config_parse_route_priority(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_route_free_ Route *n = NULL;
+ int r;
+
+ assert(filename);
+ assert(section);
+ assert(lvalue);
+ assert(rvalue);
+ assert(data);
+
+ r = route_new_static(network, section_line, &n);
+ if (r < 0)
+ return r;
+
+ r = config_parse_unsigned(unit, filename, line, section,
+ section_line, lvalue, ltype,
+ rvalue, &n->metrics, userdata);
+ if (r < 0)
+ return r;
+
n = NULL;
return 0;
~ianmdlvl / elogind.git / blobdiff