diff options
Diffstat (limited to 'src/network/networkd-route.c')
-rw-r--r-- | src/network/networkd-route.c | 129 |
1 files changed, 129 insertions, 0 deletions
diff --git a/src/network/networkd-route.c b/src/network/networkd-route.c new file mode 100644 index 0000000000..918a1d0191 --- /dev/null +++ b/src/network/networkd-route.c @@ -0,0 +1,129 @@ +/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/ + +/*** + 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 <net/if.h> + +#include "networkd.h" + +#include "utf8.h" +#include "util.h" +#include "conf-parser.h" +#include "net-util.h" + +int route_new(Network *network, Route **ret) { + _cleanup_route_free_ Route *route = NULL; + + route = new0(Route, 1); + if (!route) + return -ENOMEM; + + route->network = network; + + LIST_PREPEND(routes, network->routes, route); + + *ret = route; + route = NULL; + + return 0; +} + +void route_free(Route *route) { + if (!route) + return; + + LIST_REMOVE(routes, route->network->routes, route); + + free(route); +} + +int route_configure(Manager *manager, Route *route, Link *link) { + _cleanup_sd_rtnl_message_unref_ sd_rtnl_message *req = NULL; + int r; + + assert(manager); + assert(link); + 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); + 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 (r < 0) { + log_error("Could not append RTA_GATEWAY attribute: %s", strerror(-r)); + return r; + } + + r = sd_rtnl_message_append(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); + if (r < 0) { + log_error("Could not configure route: %s", strerror(-r)); + return r; + } + + log_info("Configured route"); + + return 0; +} + +int config_parse_gateway(const char *unit, + const char *filename, + unsigned line, + const char *section, + const char *lvalue, + int ltype, + const char *rvalue, + void *data, + void *userdata) { + _cleanup_route_free_ Route *n = NULL; + _cleanup_free_ char *route = NULL; + int r; + + assert(filename); + assert(lvalue); + assert(rvalue); + assert(data); + + r = route_new(userdata, &n); + if (r < 0) + return r; + + r = net_parse_inaddr(rvalue, &n->family, &n->in_addr); + if (r < 0) { + log_syntax(unit, LOG_ERR, filename, line, EINVAL, + "Route is invalid, ignoring assignment: %s", route); + return 0; + } + + n = NULL; + + return 0; +} |