+/* SPDX-License-Identifier: LGPL-2.1+ */
/***
- 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/>.
+ Copyright © 2013 Tom Gundersen <teg@jklm.no>
***/
#include <netinet/in.h>
+#include <linux/if_addrlabel.h>
#include <stdbool.h>
#include <unistd.h>
#include "sd-netlink.h"
-#include "formats-util.h"
+#include "format-util.h"
#include "missing.h"
#include "netlink-internal.h"
#include "netlink-types.h"
return 0;
}
+int sd_rtnl_message_route_get_type(sd_netlink_message *m, unsigned char *type) {
+ struct rtmsg *rtm;
+
+ assert_return(m, -EINVAL);
+ assert_return(m->hdr, -EINVAL);
+ assert_return(rtnl_message_type_is_route(m->hdr->nlmsg_type), -EINVAL);
+ assert_return(type, -EINVAL);
+
+ rtm = NLMSG_DATA(m->hdr);
+
+ *type = rtm->rtm_type;
+
+ return 0;
+}
+
+int sd_rtnl_message_route_set_type(sd_netlink_message *m, unsigned char type) {
+ struct rtmsg *rtm;
+
+ assert_return(m, -EINVAL);
+ assert_return(m->hdr, -EINVAL);
+ assert_return(rtnl_message_type_is_route(m->hdr->nlmsg_type), -EINVAL);
+
+ rtm = NLMSG_DATA(m->hdr);
+
+ rtm->rtm_type = type;
+
+ return 0;
+}
+
int sd_rtnl_message_route_get_protocol(sd_netlink_message *m, unsigned char *protocol) {
struct rtmsg *rtm;
assert_return(rtnl_message_type_is_route(nlmsg_type), -EINVAL);
assert_return((nlmsg_type == RTM_GETROUTE && rtm_family == AF_UNSPEC) ||
- rtm_family == AF_INET || rtm_family == AF_INET6, -EINVAL);
+ IN_SET(rtm_family, AF_INET, AF_INET6), -EINVAL);
assert_return(ret, -EINVAL);
r = message_new(rtnl, ret, nlmsg_type);
int r;
assert_return(rtnl_message_type_is_neigh(nlmsg_type), -EINVAL);
- assert_return(ndm_family == AF_INET ||
- ndm_family == AF_INET6 ||
- ndm_family == PF_BRIDGE, -EINVAL);
+ assert_return(IN_SET(ndm_family, AF_INET, AF_INET6, PF_BRIDGE), -EINVAL);
assert_return(ret, -EINVAL);
r = message_new(rtnl, ret, nlmsg_type);
assert_return((nlmsg_type == RTM_GETADDR && index == 0) ||
index > 0, -EINVAL);
assert_return((nlmsg_type == RTM_GETADDR && family == AF_UNSPEC) ||
- family == AF_INET || family == AF_INET6, -EINVAL);
+ IN_SET(family, AF_INET, AF_INET6), -EINVAL);
assert_return(ret, -EINVAL);
r = message_new(rtnl, ret, nlmsg_type);
*family = ifa->ifa_family;
+ return 0;
+ } else if (rtnl_message_type_is_routing_policy_rule(m->hdr->nlmsg_type)) {
+ struct rtmsg *rtm;
+
+ rtm = NLMSG_DATA(m->hdr);
+
+ *family = rtm->rtm_family;
+
return 0;
}
return -EOPNOTSUPP;
}
+
+int sd_rtnl_message_new_addrlabel(sd_netlink *rtnl, sd_netlink_message **ret, uint16_t nlmsg_type, int ifindex, int ifal_family) {
+ struct ifaddrlblmsg *addrlabel;
+ int r;
+
+ assert_return(rtnl_message_type_is_addrlabel(nlmsg_type), -EINVAL);
+ assert_return(ret, -EINVAL);
+
+ r = message_new(rtnl, ret, nlmsg_type);
+ if (r < 0)
+ return r;
+
+ if (nlmsg_type == RTM_NEWADDRLABEL)
+ (*ret)->hdr->nlmsg_flags |= NLM_F_CREATE | NLM_F_EXCL;
+
+ addrlabel = NLMSG_DATA((*ret)->hdr);
+
+ addrlabel->ifal_family = ifal_family;
+ addrlabel->ifal_index = ifindex;
+
+ return 0;
+}
+
+int sd_rtnl_message_addrlabel_set_prefixlen(sd_netlink_message *m, unsigned char prefixlen) {
+ struct ifaddrlblmsg *addrlabel;
+
+ assert_return(m, -EINVAL);
+ assert_return(m->hdr, -EINVAL);
+ assert_return(rtnl_message_type_is_addrlabel(m->hdr->nlmsg_type), -EINVAL);
+
+ addrlabel = NLMSG_DATA(m->hdr);
+
+ if (prefixlen > 128)
+ return -ERANGE;
+
+ addrlabel->ifal_prefixlen = prefixlen;
+
+ return 0;
+}
+
+int sd_rtnl_message_addrlabel_get_prefixlen(sd_netlink_message *m, unsigned char *prefixlen) {
+ struct ifaddrlblmsg *addrlabel;
+
+ assert_return(m, -EINVAL);
+ assert_return(m->hdr, -EINVAL);
+ assert_return(rtnl_message_type_is_addrlabel(m->hdr->nlmsg_type), -EINVAL);
+
+ addrlabel = NLMSG_DATA(m->hdr);
+
+ *prefixlen = addrlabel->ifal_prefixlen;
+
+ return 0;
+}
+
+int sd_rtnl_message_new_routing_policy_rule(sd_netlink *rtnl, sd_netlink_message **ret, uint16_t nlmsg_type, int ifal_family) {
+ struct rtmsg *rtm;
+ int r;
+
+ assert_return(rtnl_message_type_is_routing_policy_rule(nlmsg_type), -EINVAL);
+ assert_return(ret, -EINVAL);
+
+ r = message_new(rtnl, ret, nlmsg_type);
+ if (r < 0)
+ return r;
+
+ if (nlmsg_type == RTM_NEWRULE)
+ (*ret)->hdr->nlmsg_flags |= NLM_F_CREATE | NLM_F_EXCL;
+
+ rtm = NLMSG_DATA((*ret)->hdr);
+ rtm->rtm_family = ifal_family;
+ rtm->rtm_protocol = RTPROT_BOOT;
+ rtm->rtm_scope = RT_SCOPE_UNIVERSE;
+ rtm->rtm_type = RTN_UNICAST;
+
+ return 0;
+}
+
+int sd_rtnl_message_routing_policy_rule_set_tos(sd_netlink_message *m, unsigned char tos) {
+ struct rtmsg *routing_policy_rule;
+
+ assert_return(m, -EINVAL);
+ assert_return(m->hdr, -EINVAL);
+ assert_return(rtnl_message_type_is_routing_policy_rule(m->hdr->nlmsg_type), -EINVAL);
+
+ routing_policy_rule = NLMSG_DATA(m->hdr);
+
+ routing_policy_rule->rtm_tos = tos;
+
+ return 0;
+}
+
+int sd_rtnl_message_routing_policy_rule_get_tos(sd_netlink_message *m, unsigned char *tos) {
+ struct rtmsg *routing_policy_rule;
+
+ assert_return(m, -EINVAL);
+ assert_return(m->hdr, -EINVAL);
+ assert_return(rtnl_message_type_is_routing_policy_rule(m->hdr->nlmsg_type), -EINVAL);
+
+ routing_policy_rule = NLMSG_DATA(m->hdr);
+
+ *tos = routing_policy_rule->rtm_tos;
+
+ return 0;
+}
+
+int sd_rtnl_message_routing_policy_rule_set_table(sd_netlink_message *m, unsigned char table) {
+ struct rtmsg *routing_policy_rule;
+
+ assert_return(m, -EINVAL);
+ assert_return(m->hdr, -EINVAL);
+ assert_return(rtnl_message_type_is_routing_policy_rule(m->hdr->nlmsg_type), -EINVAL);
+
+ routing_policy_rule = NLMSG_DATA(m->hdr);
+
+ routing_policy_rule->rtm_table = table;
+
+ return 0;
+}
+
+int sd_rtnl_message_routing_policy_rule_get_table(sd_netlink_message *m, unsigned char *table) {
+ struct rtmsg *routing_policy_rule;
+
+ assert_return(m, -EINVAL);
+ assert_return(m->hdr, -EINVAL);
+ assert_return(rtnl_message_type_is_routing_policy_rule(m->hdr->nlmsg_type), -EINVAL);
+
+ routing_policy_rule = NLMSG_DATA(m->hdr);
+
+ *table = routing_policy_rule->rtm_table;
+
+ return 0;
+}
+
+int sd_rtnl_message_routing_policy_rule_set_rtm_type(sd_netlink_message *m, unsigned char type) {
+ struct rtmsg *routing_policy_rule;
+
+ assert_return(m, -EINVAL);
+ assert_return(m->hdr, -EINVAL);
+ assert_return(rtnl_message_type_is_routing_policy_rule(m->hdr->nlmsg_type), -EINVAL);
+
+ routing_policy_rule = NLMSG_DATA(m->hdr);
+
+ routing_policy_rule->rtm_type = type;
+
+ return 0;
+}
+
+int sd_rtnl_message_routing_policy_rule_get_rtm_type(sd_netlink_message *m, unsigned char *type) {
+ struct rtmsg *routing_policy_rule;
+
+ assert_return(m, -EINVAL);
+ assert_return(m->hdr, -EINVAL);
+ assert_return(rtnl_message_type_is_routing_policy_rule(m->hdr->nlmsg_type), -EINVAL);
+
+ routing_policy_rule = NLMSG_DATA(m->hdr);
+
+ *type = routing_policy_rule->rtm_type;
+
+ return 0;
+}
+
+int sd_rtnl_message_routing_policy_rule_set_rtm_dst_prefixlen(sd_netlink_message *m, unsigned char len) {
+ struct rtmsg *routing_policy_rule;
+
+ assert_return(m, -EINVAL);
+ assert_return(m->hdr, -EINVAL);
+ assert_return(rtnl_message_type_is_routing_policy_rule(m->hdr->nlmsg_type), -EINVAL);
+
+ routing_policy_rule = NLMSG_DATA(m->hdr);
+
+ routing_policy_rule->rtm_dst_len = len;
+
+ return 0;
+}
+
+int sd_rtnl_message_routing_policy_rule_get_rtm_dst_prefixlen(sd_netlink_message *m, unsigned char *len) {
+ struct rtmsg *routing_policy_rule;
+
+ assert_return(m, -EINVAL);
+ assert_return(m->hdr, -EINVAL);
+ assert_return(rtnl_message_type_is_routing_policy_rule(m->hdr->nlmsg_type), -EINVAL);
+
+ routing_policy_rule = NLMSG_DATA(m->hdr);
+
+ *len = routing_policy_rule->rtm_dst_len;
+
+ return 0;
+}
+
+int sd_rtnl_message_routing_policy_rule_set_rtm_src_prefixlen(sd_netlink_message *m, unsigned char len) {
+ struct rtmsg *routing_policy_rule;
+
+ assert_return(m, -EINVAL);
+ assert_return(m->hdr, -EINVAL);
+ assert_return(rtnl_message_type_is_routing_policy_rule(m->hdr->nlmsg_type), -EINVAL);
+
+ routing_policy_rule = NLMSG_DATA(m->hdr);
+
+ routing_policy_rule->rtm_src_len = len;
+
+ return 0;
+}
+
+int sd_rtnl_message_routing_policy_rule_get_rtm_src_prefixlen(sd_netlink_message *m, unsigned char *len) {
+ struct rtmsg *routing_policy_rule;
+
+ assert_return(m, -EINVAL);
+ assert_return(m->hdr, -EINVAL);
+ assert_return(rtnl_message_type_is_routing_policy_rule(m->hdr->nlmsg_type), -EINVAL);
+
+ routing_policy_rule = NLMSG_DATA(m->hdr);
+
+ *len = routing_policy_rule->rtm_src_len;
+
+ return 0;
+}
projects / thirdparty / systemd.git / blobdiff