diff --git a/sys/netlink/netlink_snl_route_parsers.h b/sys/netlink/netlink_snl_route_parsers.h index 6332f9f9e0d9..504b9c8737df 100644 --- a/sys/netlink/netlink_snl_route_parsers.h +++ b/sys/netlink/netlink_snl_route_parsers.h @@ -1,391 +1,391 @@ /*- * SPDX-License-Identifier: BSD-2-Clause-FreeBSD * * Copyright (c) 2023 Alexander V. Chernikov * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. */ #ifndef _NETLINK_NETLINK_SNL_ROUTE_PARSERS_H_ #define _NETLINK_NETLINK_SNL_ROUTE_PARSERS_H_ #include #include #include /* TODO: this file should be generated automatically */ static inline void finalize_sockaddr(struct sockaddr *sa, uint32_t ifindex) { if (sa != NULL && sa->sa_family == AF_INET6) { - struct sockaddr_in6 *sin6 = (struct sockaddr_in6 *)sa; + struct sockaddr_in6 *sin6 = (struct sockaddr_in6 *)(void *)sa; if (IN6_IS_ADDR_LINKLOCAL(&sin6->sin6_addr)) sin6->sin6_scope_id = ifindex; } } /* RTM_ROUTE message parser */ struct rta_mpath_nh { struct sockaddr *gw; uint32_t ifindex; uint8_t rtnh_flags; uint8_t rtnh_weight; uint32_t rtax_mtu; uint32_t rta_rtflags; }; #define _IN(_field) offsetof(struct rtnexthop, _field) #define _OUT(_field) offsetof(struct rta_mpath_nh, _field) static const struct snl_attr_parser _nla_p_mp_nh_metrics[] = { { .type = NL_RTAX_MTU, .off = _OUT(rtax_mtu), .cb = snl_attr_get_uint32 }, }; SNL_DECLARE_ATTR_PARSER(_metrics_mp_nh_parser, _nla_p_mp_nh_metrics); static const struct snl_attr_parser _nla_p_mp_nh[] = { { .type = NL_RTA_GATEWAY, .off = _OUT(gw), .cb = snl_attr_get_ip }, { .type = NL_RTA_METRICS, .arg = &_metrics_mp_nh_parser, .cb = snl_attr_get_nested }, { .type = NL_RTA_RTFLAGS, .off = _OUT(rta_rtflags), .cb = snl_attr_get_uint32 }, { .type = NL_RTA_VIA, .off = _OUT(gw), .cb = snl_attr_get_ipvia }, }; static const struct snl_field_parser _fp_p_mp_nh[] = { { .off_in = _IN(rtnh_flags), .off_out = _OUT(rtnh_flags), .cb = snl_field_get_uint8 }, { .off_in = _IN(rtnh_hops), .off_out = _OUT(rtnh_weight), .cb = snl_field_get_uint8 }, { .off_in = _IN(rtnh_ifindex), .off_out = _OUT(ifindex), .cb = snl_field_get_uint32 }, }; static inline bool -_cb_p_mp_nh(struct snl_state *ss, void *_target) +_cb_p_mp_nh(struct snl_state *ss __unused, void *_target) { struct rta_mpath_nh *target = _target; finalize_sockaddr(target->gw, target->ifindex); return (true); } #undef _IN #undef _OUT SNL_DECLARE_PARSER_EXT(_mpath_nh_parser, struct rtnexthop, _fp_p_mp_nh, _nla_p_mp_nh, _cb_p_mp_nh); struct rta_mpath { int num_nhops; struct rta_mpath_nh nhops[0]; }; static bool nlattr_get_multipath(struct snl_state *ss, struct nlattr *nla, const void *arg __unused, void *target) { int data_len = nla->nla_len - sizeof(struct nlattr); struct rtnexthop *rtnh; int max_nhops = data_len / sizeof(struct rtnexthop); size_t sz = (max_nhops + 2) * sizeof(struct rta_mpath_nh); struct rta_mpath *mp = snl_allocz(ss, sz); if (mp == NULL) return (false); mp->num_nhops = 0; for (rtnh = (struct rtnexthop *)(void *)(nla + 1); data_len > 0; ) { struct rta_mpath_nh *mpnh = &mp->nhops[mp->num_nhops++]; if (!snl_parse_header(ss, rtnh, rtnh->rtnh_len, &_mpath_nh_parser, mpnh)) return (false); int len = NL_ITEM_ALIGN(rtnh->rtnh_len); data_len -= len; rtnh = (struct rtnexthop *)(void *)((char *)rtnh + len); } if (data_len != 0 || mp->num_nhops == 0) { return (false); } *((struct rta_mpath **)target) = mp; return (true); } struct snl_parsed_route { struct sockaddr *rta_dst; struct sockaddr *rta_gw; struct nlattr *rta_metrics; struct rta_mpath *rta_multipath; uint32_t rta_expires; uint32_t rta_oif; uint32_t rta_expire; uint32_t rta_table; uint32_t rta_knh_id; uint32_t rta_nh_id; uint32_t rta_rtflags; uint32_t rtax_mtu; uint32_t rtax_weight; uint8_t rtm_family; uint8_t rtm_type; uint8_t rtm_protocol; uint8_t rtm_dst_len; }; #define _IN(_field) offsetof(struct rtmsg, _field) #define _OUT(_field) offsetof(struct snl_parsed_route, _field) static const struct snl_attr_parser _nla_p_rtmetrics[] = { { .type = NL_RTAX_MTU, .off = _OUT(rtax_mtu), .cb = snl_attr_get_uint32 }, }; SNL_DECLARE_ATTR_PARSER(_metrics_parser, _nla_p_rtmetrics); static const struct snl_attr_parser _nla_p_route[] = { { .type = NL_RTA_DST, .off = _OUT(rta_dst), .cb = snl_attr_get_ip }, { .type = NL_RTA_OIF, .off = _OUT(rta_oif), .cb = snl_attr_get_uint32 }, { .type = NL_RTA_GATEWAY, .off = _OUT(rta_gw), .cb = snl_attr_get_ip }, { .type = NL_RTA_METRICS, .arg = &_metrics_parser, .cb = snl_attr_get_nested }, { .type = NL_RTA_MULTIPATH, .off = _OUT(rta_multipath), .cb = nlattr_get_multipath }, { .type = NL_RTA_KNH_ID, .off = _OUT(rta_knh_id), .cb = snl_attr_get_uint32 }, { .type = NL_RTA_WEIGHT, .off = _OUT(rtax_weight), .cb = snl_attr_get_uint32 }, { .type = NL_RTA_RTFLAGS, .off = _OUT(rta_rtflags), .cb = snl_attr_get_uint32 }, { .type = NL_RTA_TABLE, .off = _OUT(rta_table), .cb = snl_attr_get_uint32 }, { .type = NL_RTA_VIA, .off = _OUT(rta_gw), .cb = snl_attr_get_ipvia }, { .type = NL_RTA_EXPIRES, .off = _OUT(rta_expire), .cb = snl_attr_get_uint32 }, { .type = NL_RTA_NH_ID, .off = _OUT(rta_nh_id), .cb = snl_attr_get_uint32 }, }; static const struct snl_field_parser _fp_p_route[] = { {.off_in = _IN(rtm_family), .off_out = _OUT(rtm_family), .cb = snl_field_get_uint8 }, {.off_in = _IN(rtm_type), .off_out = _OUT(rtm_type), .cb = snl_field_get_uint8 }, {.off_in = _IN(rtm_protocol), .off_out = _OUT(rtm_protocol), .cb = snl_field_get_uint8 }, {.off_in = _IN(rtm_dst_len), .off_out = _OUT(rtm_dst_len), .cb = snl_field_get_uint8 }, }; static inline bool -_cb_p_route(struct snl_state *ss, void *_target) +_cb_p_route(struct snl_state *ss __unused, void *_target) { struct snl_parsed_route *target = _target; finalize_sockaddr(target->rta_dst, target->rta_oif); finalize_sockaddr(target->rta_gw, target->rta_oif); return (true); } #undef _IN #undef _OUT SNL_DECLARE_PARSER_EXT(snl_rtm_route_parser, struct rtmsg, _fp_p_route, _nla_p_route, _cb_p_route); /* RTM_LINK message parser */ struct snl_parsed_link { uint32_t ifi_index; uint32_t ifi_flags; uint32_t ifi_change; uint16_t ifi_type; uint8_t ifla_operstate; uint8_t ifla_carrier; uint32_t ifla_mtu; char *ifla_ifname; struct nlattr *ifla_address; struct nlattr *ifla_broadcast; char *ifla_ifalias; uint32_t ifla_promiscuity; struct rtnl_link_stats64 *ifla_stats64; }; #define _IN(_field) offsetof(struct ifinfomsg, _field) #define _OUT(_field) offsetof(struct snl_parsed_link, _field) static const struct snl_attr_parser _nla_p_link[] = { { .type = IFLA_ADDRESS, .off = _OUT(ifla_address), .cb = snl_attr_dup_nla }, { .type = IFLA_BROADCAST, .off = _OUT(ifla_broadcast), .cb = snl_attr_dup_nla }, { .type = IFLA_IFNAME, .off = _OUT(ifla_ifname), .cb = snl_attr_dup_string }, { .type = IFLA_MTU, .off = _OUT(ifla_mtu), .cb = snl_attr_get_uint32 }, { .type = IFLA_OPERSTATE, .off = _OUT(ifla_operstate), .cb = snl_attr_get_uint8 }, { .type = IFLA_IFALIAS, .off = _OUT(ifla_ifalias), .cb = snl_attr_dup_string }, { .type = IFLA_STATS64, .off = _OUT(ifla_stats64), .cb = snl_attr_dup_struct }, { .type = IFLA_PROMISCUITY, .off = _OUT(ifla_promiscuity), .cb = snl_attr_get_uint32 }, { .type = IFLA_CARRIER, .off = _OUT(ifla_carrier), .cb = snl_attr_get_uint8 }, }; static const struct snl_field_parser _fp_p_link[] = { {.off_in = _IN(ifi_index), .off_out = _OUT(ifi_index), .cb = snl_field_get_uint32 }, {.off_in = _IN(ifi_flags), .off_out = _OUT(ifi_flags), .cb = snl_field_get_uint32 }, {.off_in = _IN(ifi_change), .off_out = _OUT(ifi_change), .cb = snl_field_get_uint32 }, {.off_in = _IN(ifi_type), .off_out = _OUT(ifi_type), .cb = snl_field_get_uint16 }, }; #undef _IN #undef _OUT SNL_DECLARE_PARSER(snl_rtm_link_parser, struct ifinfomsg, _fp_p_link, _nla_p_link); struct snl_parsed_link_simple { uint32_t ifi_index; uint32_t ifla_mtu; uint16_t ifi_type; uint32_t ifi_flags; char *ifla_ifname; }; #define _IN(_field) offsetof(struct ifinfomsg, _field) #define _OUT(_field) offsetof(struct snl_parsed_link_simple, _field) static struct snl_attr_parser _nla_p_link_s[] = { { .type = IFLA_IFNAME, .off = _OUT(ifla_ifname), .cb = snl_attr_dup_string }, { .type = IFLA_MTU, .off = _OUT(ifla_mtu), .cb = snl_attr_get_uint32 }, }; static struct snl_field_parser _fp_p_link_s[] = { {.off_in = _IN(ifi_index), .off_out = _OUT(ifi_index), .cb = snl_field_get_uint32 }, {.off_in = _IN(ifi_type), .off_out = _OUT(ifi_type), .cb = snl_field_get_uint16 }, {.off_in = _IN(ifi_flags), .off_out = _OUT(ifi_flags), .cb = snl_field_get_uint32 }, }; #undef _IN #undef _OUT SNL_DECLARE_PARSER(snl_rtm_link_parser_simple, struct ifinfomsg, _fp_p_link_s, _nla_p_link_s); struct snl_parsed_neigh { uint8_t ndm_family; uint8_t ndm_flags; uint16_t ndm_state; uint32_t nda_ifindex; uint32_t nda_probes; uint32_t ndaf_next_ts; struct sockaddr *nda_dst; struct nlattr *nda_lladdr; }; #define _IN(_field) offsetof(struct ndmsg, _field) #define _OUT(_field) offsetof(struct snl_parsed_neigh, _field) static const struct snl_attr_parser _nla_p_neigh_fbsd[] = { { .type = NDAF_NEXT_STATE_TS, .off = _OUT(ndaf_next_ts), .cb = snl_attr_get_uint32 }, }; SNL_DECLARE_ATTR_PARSER(_neigh_fbsd_parser, _nla_p_neigh_fbsd); static struct snl_attr_parser _nla_p_neigh_s[] = { { .type = NDA_DST, .off = _OUT(nda_dst), .cb = snl_attr_get_ip }, { .type = NDA_LLADDR , .off = _OUT(nda_lladdr), .cb = snl_attr_dup_nla }, { .type = NDA_PROBES, .off = _OUT(nda_probes), .cb = snl_attr_get_uint32 }, { .type = NDA_IFINDEX, .off = _OUT(nda_ifindex), .cb = snl_attr_get_uint32 }, { .type = NDA_FREEBSD, .arg = &_neigh_fbsd_parser, .cb = snl_attr_get_nested }, }; static struct snl_field_parser _fp_p_neigh_s[] = { {.off_in = _IN(ndm_family), .off_out = _OUT(ndm_family), .cb = snl_field_get_uint8 }, {.off_in = _IN(ndm_flags), .off_out = _OUT(ndm_flags), .cb = snl_field_get_uint8 }, {.off_in = _IN(ndm_state), .off_out = _OUT(ndm_state), .cb = snl_field_get_uint16 }, {.off_in = _IN(ndm_ifindex), .off_out = _OUT(nda_ifindex), .cb = snl_field_get_uint32 }, }; static inline bool -_cb_p_neigh(struct snl_state *ss, void *_target) +_cb_p_neigh(struct snl_state *ss __unused, void *_target) { struct snl_parsed_neigh *target = _target; finalize_sockaddr(target->nda_dst, target->nda_ifindex); return (true); } #undef _IN #undef _OUT SNL_DECLARE_PARSER_EXT(snl_rtm_neigh_parser, struct ndmsg, _fp_p_neigh_s, _nla_p_neigh_s, _cb_p_neigh); struct snl_parsed_addr { uint8_t ifa_family; uint8_t ifa_prefixlen; uint32_t ifa_index; struct sockaddr *ifa_local; struct sockaddr *ifa_address; struct sockaddr *ifa_broadcast; char *ifa_label; }; #define _IN(_field) offsetof(struct ifaddrmsg, _field) #define _OUT(_field) offsetof(struct snl_parsed_addr, _field) static const struct snl_attr_parser _nla_p_addr_s[] = { { .type = IFA_ADDRESS, .off = _OUT(ifa_address), .cb = snl_attr_get_ip }, { .type = IFA_LOCAL, .off = _OUT(ifa_local), .cb = snl_attr_get_ip }, { .type = IFA_LABEL, .off = _OUT(ifa_label), .cb = snl_attr_dup_string }, { .type = IFA_BROADCAST, .off = _OUT(ifa_broadcast), .cb = snl_attr_get_ip }, }; static const struct snl_field_parser _fp_p_addr_s[] = { {.off_in = _IN(ifa_family), .off_out = _OUT(ifa_family), .cb = snl_field_get_uint8 }, {.off_in = _IN(ifa_prefixlen), .off_out = _OUT(ifa_prefixlen), .cb = snl_field_get_uint8 }, {.off_in = _IN(ifa_index), .off_out = _OUT(ifa_index), .cb = snl_field_get_uint32 }, }; static inline bool -_cb_p_addr(struct snl_state *ss, void *_target) +_cb_p_addr(struct snl_state *ss __unused, void *_target) { struct snl_parsed_addr *target = _target; finalize_sockaddr(target->ifa_address, target->ifa_index); finalize_sockaddr(target->ifa_local, target->ifa_index); return (true); } #undef _IN #undef _OUT SNL_DECLARE_PARSER_EXT(snl_rtm_addr_parser, struct ifaddrmsg, _fp_p_addr_s, _nla_p_addr_s, _cb_p_addr); struct snl_parsed_nhop { uint32_t nha_id; uint8_t nha_blackhole; uint8_t nha_groups; uint8_t nhaf_knhops; uint8_t nhaf_family; uint32_t nha_oif; struct sockaddr *nha_gw; uint8_t nh_family; uint8_t nh_protocol; uint32_t nhaf_table; uint32_t nhaf_kid; uint32_t nhaf_aif; }; #define _IN(_field) offsetof(struct nhmsg, _field) #define _OUT(_field) offsetof(struct snl_parsed_nhop, _field) static struct snl_attr_parser _nla_p_nh_fbsd[] = { { .type = NHAF_KNHOPS, .off = _OUT(nhaf_knhops), .cb = snl_attr_get_flag }, { .type = NHAF_TABLE, .off = _OUT(nhaf_table), .cb = snl_attr_get_uint32 }, { .type = NHAF_KID, .off = _OUT(nhaf_kid), .cb = snl_attr_get_uint32 }, { .type = NHAF_AIF, .off = _OUT(nhaf_aif), .cb = snl_attr_get_uint32 }, }; SNL_DECLARE_ATTR_PARSER(_nh_fbsd_parser, _nla_p_nh_fbsd); static const struct snl_field_parser _fp_p_nh[] = { { .off_in = _IN(nh_family), .off_out = _OUT(nh_family), .cb = snl_field_get_uint8 }, { .off_in = _IN(nh_protocol), .off_out = _OUT(nh_protocol), .cb = snl_field_get_uint8 }, }; static const struct snl_attr_parser _nla_p_nh[] = { { .type = NHA_ID, .off = _OUT(nha_id), .cb = snl_attr_get_uint32 }, { .type = NHA_BLACKHOLE, .off = _OUT(nha_blackhole), .cb = snl_attr_get_flag }, { .type = NHA_OIF, .off = _OUT(nha_oif), .cb = snl_attr_get_uint32 }, { .type = NHA_GATEWAY, .off = _OUT(nha_gw), .cb = snl_attr_get_ip }, { .type = NHA_FREEBSD, .arg = &_nh_fbsd_parser, .cb = snl_attr_get_nested }, }; static inline bool -_cb_p_nh(struct snl_state *ss, void *_target) +_cb_p_nh(struct snl_state *ss __unused, void *_target) { struct snl_parsed_nhop *target = _target; finalize_sockaddr(target->nha_gw, target->nha_oif); return (true); } #undef _IN #undef _OUT SNL_DECLARE_PARSER_EXT(snl_nhmsg_parser, struct nhmsg, _fp_p_nh, _nla_p_nh, _cb_p_nh); static const struct snl_hdr_parser *snl_all_route_parsers[] = { &_metrics_mp_nh_parser, &_mpath_nh_parser, &_metrics_parser, &snl_rtm_route_parser, &snl_rtm_link_parser, &snl_rtm_link_parser_simple, &_neigh_fbsd_parser, &snl_rtm_neigh_parser, &snl_rtm_addr_parser, &_nh_fbsd_parser, &snl_nhmsg_parser, }; #endif