/* SPDX-License-Identifier: LGPL-2.1-or-later */ #ifndef foosdnetlinkhfoo #define foosdnetlinkhfoo /*** 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 . ***/ #include #include #include #include #include #include #include #include "sd-event.h" #include "_sd-common.h" _SD_BEGIN_DECLARATIONS; typedef struct sd_netlink sd_netlink; typedef struct sd_netlink_message sd_netlink_message; typedef struct sd_netlink_slot sd_netlink_slot; /* callback */ typedef int (*sd_netlink_message_handler_t)(sd_netlink *nl, sd_netlink_message *m, void *userdata); typedef _sd_destroy_t sd_netlink_destroy_t; /* bus */ int sd_netlink_new_from_fd(sd_netlink **nl, int fd); int sd_netlink_open(sd_netlink **nl); int sd_netlink_open_fd(sd_netlink **nl, int fd); int sd_netlink_inc_rcvbuf(sd_netlink *nl, const size_t size); sd_netlink *sd_netlink_ref(sd_netlink *nl); sd_netlink *sd_netlink_unref(sd_netlink *nl); int sd_netlink_send(sd_netlink *nl, sd_netlink_message *message, uint32_t *serial); int sd_netlink_sendv(sd_netlink *nl, sd_netlink_message **messages, size_t msgcnt, uint32_t **ret_serial); int sd_netlink_call_async(sd_netlink *nl, sd_netlink_slot **ret_slot, sd_netlink_message *message, sd_netlink_message_handler_t callback, sd_netlink_destroy_t destoy_callback, void *userdata, uint64_t usec, const char *description); int sd_netlink_call(sd_netlink *nl, sd_netlink_message *message, uint64_t timeout, sd_netlink_message **reply); int sd_netlink_read(sd_netlink *nl, uint32_t serial, uint64_t timeout, sd_netlink_message **reply); int sd_netlink_get_events(sd_netlink *nl); int sd_netlink_get_timeout(sd_netlink *nl, uint64_t *timeout); int sd_netlink_process(sd_netlink *nl, sd_netlink_message **ret); int sd_netlink_wait(sd_netlink *nl, uint64_t timeout); int sd_netlink_add_match(sd_netlink *nl, sd_netlink_slot **ret_slot, uint16_t match, sd_netlink_message_handler_t callback, sd_netlink_destroy_t destroy_callback, void *userdata, const char *description); int sd_netlink_attach_event(sd_netlink *nl, sd_event *e, int64_t priority); int sd_netlink_detach_event(sd_netlink *nl); int sd_netlink_attach_filter(sd_netlink *nl, size_t len, struct sock_filter *filter); /* message */ int sd_netlink_message_append_string(sd_netlink_message *m, unsigned short type, const char *data); int sd_netlink_message_append_strv(sd_netlink_message *m, unsigned short type, char * const *data); int sd_netlink_message_append_flag(sd_netlink_message *m, unsigned short type); int sd_netlink_message_append_u8(sd_netlink_message *m, unsigned short type, uint8_t data); int sd_netlink_message_append_u16(sd_netlink_message *m, unsigned short type, uint16_t data); int sd_netlink_message_append_u32(sd_netlink_message *m, unsigned short type, uint32_t data); int sd_netlink_message_append_u64(sd_netlink_message *m, unsigned short type, uint64_t data); int sd_netlink_message_append_s8(sd_netlink_message *m, unsigned short type, int8_t data); int sd_netlink_message_append_s16(sd_netlink_message *m, unsigned short type, int16_t data); int sd_netlink_message_append_s32(sd_netlink_message *m, unsigned short type, int32_t data); int sd_netlink_message_append_s64(sd_netlink_message *m, unsigned short type, int64_t data); int sd_netlink_message_append_data(sd_netlink_message *m, unsigned short type, const void *data, size_t len); int sd_netlink_message_append_in_addr(sd_netlink_message *m, unsigned short type, const struct in_addr *data); int sd_netlink_message_append_in6_addr(sd_netlink_message *m, unsigned short type, const struct in6_addr *data); int sd_netlink_message_append_sockaddr_in(sd_netlink_message *m, unsigned short type, const struct sockaddr_in *data); int sd_netlink_message_append_sockaddr_in6(sd_netlink_message *m, unsigned short type, const struct sockaddr_in6 *data); int sd_netlink_message_append_ether_addr(sd_netlink_message *m, unsigned short type, const struct ether_addr *data); int sd_netlink_message_append_cache_info(sd_netlink_message *m, unsigned short type, const struct ifa_cacheinfo *info); int sd_netlink_message_open_container(sd_netlink_message *m, unsigned short type); int sd_netlink_message_open_container_union(sd_netlink_message *m, unsigned short type, const char *key); int sd_netlink_message_close_container(sd_netlink_message *m); int sd_netlink_message_read(sd_netlink_message *m, unsigned short type, size_t size, void *data); int sd_netlink_message_read_data(sd_netlink_message *m, unsigned short type, size_t *ret_size, void **ret_data); int sd_netlink_message_read_data_suffix0(sd_netlink_message *m, unsigned short type, size_t *ret_size, void **ret_data); int sd_netlink_message_read_string_strdup(sd_netlink_message *m, unsigned short type, char **data); int sd_netlink_message_read_string(sd_netlink_message *m, unsigned short type, const char **data); int sd_netlink_message_read_strv(sd_netlink_message *m, unsigned short container_type, unsigned short type_id, char ***ret); int sd_netlink_message_read_u8(sd_netlink_message *m, unsigned short type, uint8_t *data); int sd_netlink_message_read_u16(sd_netlink_message *m, unsigned short type, uint16_t *data); int sd_netlink_message_read_u32(sd_netlink_message *m, unsigned short type, uint32_t *data); int sd_netlink_message_read_ether_addr(sd_netlink_message *m, unsigned short type, struct ether_addr *data); int sd_netlink_message_read_cache_info(sd_netlink_message *m, unsigned short type, struct ifa_cacheinfo *info); int sd_netlink_message_read_in_addr(sd_netlink_message *m, unsigned short type, struct in_addr *data); int sd_netlink_message_read_in6_addr(sd_netlink_message *m, unsigned short type, struct in6_addr *data); int sd_netlink_message_has_flag(sd_netlink_message *m, unsigned short type); int sd_netlink_message_enter_container(sd_netlink_message *m, unsigned short type); int sd_netlink_message_enter_array(sd_netlink_message *m, unsigned short type); int sd_netlink_message_exit_container(sd_netlink_message *m); int sd_netlink_message_open_array(sd_netlink_message *m, uint16_t type); int sd_netlink_message_cancel_array(sd_netlink_message *m); int sd_netlink_message_rewind(sd_netlink_message *m, sd_netlink *nl); sd_netlink_message *sd_netlink_message_next(sd_netlink_message *m); sd_netlink_message *sd_netlink_message_ref(sd_netlink_message *m); sd_netlink_message *sd_netlink_message_unref(sd_netlink_message *m); int sd_netlink_message_request_dump(sd_netlink_message *m, int dump); int sd_netlink_message_is_error(sd_netlink_message *m); int sd_netlink_message_get_errno(sd_netlink_message *m); int sd_netlink_message_get_type(sd_netlink_message *m, uint16_t *type); int sd_netlink_message_set_flags(sd_netlink_message *m, uint16_t flags); int sd_netlink_message_is_broadcast(sd_netlink_message *m); int sd_netlink_message_get_max_attribute(sd_netlink_message *m, uint16_t *ret); /* rtnl */ int sd_rtnl_message_get_family(sd_netlink_message *m, int *family); int sd_rtnl_message_new_addr(sd_netlink *nl, sd_netlink_message **ret, uint16_t msg_type, int index, int family); int sd_rtnl_message_new_addr_update(sd_netlink *nl, sd_netlink_message **ret, int index, int family); int sd_rtnl_message_addr_set_prefixlen(sd_netlink_message *m, unsigned char prefixlen); int sd_rtnl_message_addr_set_scope(sd_netlink_message *m, unsigned char scope); int sd_rtnl_message_addr_set_flags(sd_netlink_message *m, unsigned char flags); int sd_rtnl_message_addr_get_family(sd_netlink_message *m, int *family); int sd_rtnl_message_addr_get_prefixlen(sd_netlink_message *m, unsigned char *prefixlen); int sd_rtnl_message_addr_get_scope(sd_netlink_message *m, unsigned char *scope); int sd_rtnl_message_addr_get_flags(sd_netlink_message *m, unsigned char *flags); int sd_rtnl_message_addr_get_ifindex(sd_netlink_message *m, int *ifindex); int sd_rtnl_message_new_link(sd_netlink *nl, sd_netlink_message **ret, uint16_t msg_type, int index); int sd_rtnl_message_link_set_flags(sd_netlink_message *m, unsigned flags, unsigned change); int sd_rtnl_message_link_set_type(sd_netlink_message *m, unsigned type); int sd_rtnl_message_link_set_family(sd_netlink_message *m, unsigned family); int sd_rtnl_message_link_get_ifindex(sd_netlink_message *m, int *ifindex); int sd_rtnl_message_link_get_flags(sd_netlink_message *m, unsigned *flags); int sd_rtnl_message_link_get_type(sd_netlink_message *m, unsigned short *type); int sd_rtnl_message_new_route(sd_netlink *nl, sd_netlink_message **ret, uint16_t nlmsg_type, int rtm_family, unsigned char rtm_protocol); int sd_rtnl_message_route_set_dst_prefixlen(sd_netlink_message *m, unsigned char prefixlen); int sd_rtnl_message_route_set_src_prefixlen(sd_netlink_message *m, unsigned char prefixlen); int sd_rtnl_message_route_set_scope(sd_netlink_message *m, unsigned char scope); int sd_rtnl_message_route_set_flags(sd_netlink_message *m, unsigned flags); int sd_rtnl_message_route_set_table(sd_netlink_message *m, unsigned char table); int sd_rtnl_message_route_set_type(sd_netlink_message *m, unsigned char type); int sd_rtnl_message_route_get_flags(sd_netlink_message *m, unsigned *flags); int sd_rtnl_message_route_get_family(sd_netlink_message *m, int *family); int sd_rtnl_message_route_get_protocol(sd_netlink_message *m, unsigned char *protocol); int sd_rtnl_message_route_get_scope(sd_netlink_message *m, unsigned char *scope); int sd_rtnl_message_route_get_tos(sd_netlink_message *m, unsigned char *tos); int sd_rtnl_message_route_get_table(sd_netlink_message *m, unsigned char *table); int sd_rtnl_message_route_get_dst_prefixlen(sd_netlink_message *m, unsigned char *dst_len); int sd_rtnl_message_route_get_src_prefixlen(sd_netlink_message *m, unsigned char *src_len); int sd_rtnl_message_route_get_type(sd_netlink_message *m, unsigned char *type); int sd_rtnl_message_new_nexthop(sd_netlink *rtnl, sd_netlink_message **ret, uint16_t nlmsg_type, int nh_family, unsigned char nh_protocol); int sd_rtnl_message_nexthop_set_flags(sd_netlink_message *m, uint8_t flags); int sd_rtnl_message_nexthop_get_flags(sd_netlink_message *m, uint8_t *ret); int sd_rtnl_message_nexthop_get_family(sd_netlink_message *m, uint8_t *family); int sd_rtnl_message_nexthop_get_protocol(sd_netlink_message *m, uint8_t *protocol); int sd_rtnl_message_new_neigh(sd_netlink *nl, sd_netlink_message **ret, uint16_t nlmsg_type, int index, int nda_family); int sd_rtnl_message_neigh_set_flags(sd_netlink_message *m, uint8_t flags); int sd_rtnl_message_neigh_set_state(sd_netlink_message *m, uint16_t state); int sd_rtnl_message_neigh_get_family(sd_netlink_message *m, int *family); int sd_rtnl_message_neigh_get_ifindex(sd_netlink_message *m, int *index); int sd_rtnl_message_neigh_get_state(sd_netlink_message *m, uint16_t *state); int sd_rtnl_message_neigh_get_flags(sd_netlink_message *m, uint8_t *flags); int sd_rtnl_message_new_addrlabel(sd_netlink *rtnl, sd_netlink_message **ret, uint16_t nlmsg_type, int ifindex, int ifal_family); int sd_rtnl_message_addrlabel_set_prefixlen(sd_netlink_message *m, unsigned char prefixlen); int sd_rtnl_message_addrlabel_get_prefixlen(sd_netlink_message *m, unsigned char *prefixlen); int sd_rtnl_message_new_routing_policy_rule(sd_netlink *rtnl, sd_netlink_message **ret, uint16_t nlmsg_type, int ifal_family); int sd_rtnl_message_routing_policy_rule_set_tos(sd_netlink_message *m, uint8_t tos); int sd_rtnl_message_routing_policy_rule_get_tos(sd_netlink_message *m, uint8_t *tos); int sd_rtnl_message_routing_policy_rule_set_table(sd_netlink_message *m, uint8_t table); int sd_rtnl_message_routing_policy_rule_get_table(sd_netlink_message *m, uint8_t *table); int sd_rtnl_message_routing_policy_rule_set_fib_src_prefixlen(sd_netlink_message *m, uint8_t len); int sd_rtnl_message_routing_policy_rule_get_fib_src_prefixlen(sd_netlink_message *m, uint8_t *len); int sd_rtnl_message_routing_policy_rule_set_fib_dst_prefixlen(sd_netlink_message *m, uint8_t len); int sd_rtnl_message_routing_policy_rule_get_fib_dst_prefixlen(sd_netlink_message *m, uint8_t *len); int sd_rtnl_message_routing_policy_rule_set_fib_type(sd_netlink_message *m, uint8_t type); int sd_rtnl_message_routing_policy_rule_get_fib_type(sd_netlink_message *m, uint8_t *type); int sd_rtnl_message_routing_policy_rule_set_flags(sd_netlink_message *m, uint32_t flags); int sd_rtnl_message_routing_policy_rule_get_flags(sd_netlink_message *m, uint32_t *flags); int sd_rtnl_message_new_traffic_control(sd_netlink *rtnl, sd_netlink_message **ret, uint16_t nlmsg_type, int ifindex, uint32_t handle, uint32_t parent); int sd_rtnl_message_traffic_control_get_ifindex(sd_netlink_message *m, int *ret); int sd_rtnl_message_traffic_control_get_handle(sd_netlink_message *m, uint32_t *ret); int sd_rtnl_message_traffic_control_get_parent(sd_netlink_message *m, uint32_t *ret); int sd_rtnl_message_new_mdb(sd_netlink *rtnl, sd_netlink_message **ret, uint16_t nlmsg_type, int mdb_ifindex); /* nfnl */ int sd_nfnl_socket_open(sd_netlink **ret); int sd_nfnl_message_batch_begin(sd_netlink *nfnl, sd_netlink_message **ret); int sd_nfnl_message_batch_end(sd_netlink *nfnl, sd_netlink_message **ret); int sd_nfnl_nft_message_del_table(sd_netlink *nfnl, sd_netlink_message **ret, int family, const char *table); int sd_nfnl_nft_message_new_table(sd_netlink *nfnl, sd_netlink_message **ret, int family, const char *table); int sd_nfnl_nft_message_new_basechain(sd_netlink *nfnl, sd_netlink_message **ret, int family, const char *table, const char *chain, const char *type, uint8_t hook, int prio); int sd_nfnl_nft_message_new_rule(sd_netlink *nfnl, sd_netlink_message **ret, int family, const char *table, const char *chain); int sd_nfnl_nft_message_new_set(sd_netlink *nfnl, sd_netlink_message **ret, int family, const char *table, const char *set_name, uint32_t setid, uint32_t klen); int sd_nfnl_nft_message_new_setelems_begin(sd_netlink *nfnl, sd_netlink_message **ret, int family, const char *table, const char *set_name); int sd_nfnl_nft_message_del_setelems_begin(sd_netlink *nfnl, sd_netlink_message **ret, int family, const char *table, const char *set_name); int sd_nfnl_nft_message_add_setelem(sd_netlink_message *m, uint32_t num, const void *key, uint32_t klen, const void *data, uint32_t dlen); int sd_nfnl_nft_message_add_setelem_end(sd_netlink_message *m); /* genl */ int sd_genl_socket_open(sd_netlink **ret); int sd_genl_message_new(sd_netlink *genl, const char *family_name, uint8_t cmd, sd_netlink_message **ret); int sd_genl_message_get_family_name(sd_netlink *genl, sd_netlink_message *m, const char **ret); int sd_genl_message_get_command(sd_netlink *genl, sd_netlink_message *m, uint8_t *ret); int sd_genl_add_match(sd_netlink *nl, sd_netlink_slot **ret_slot, const char *family_name, const char *multicast_group_name, uint8_t command, sd_netlink_message_handler_t callback, sd_netlink_destroy_t destroy_callback, void *userdata, const char *description); /* slot */ sd_netlink_slot *sd_netlink_slot_ref(sd_netlink_slot *slot); sd_netlink_slot *sd_netlink_slot_unref(sd_netlink_slot *slot); sd_netlink *sd_netlink_slot_get_netlink(sd_netlink_slot *slot); void *sd_netlink_slot_get_userdata(sd_netlink_slot *slot); void *sd_netlink_slot_set_userdata(sd_netlink_slot *slot, void *userdata); int sd_netlink_slot_get_destroy_callback(sd_netlink_slot *slot, sd_netlink_destroy_t *callback); int sd_netlink_slot_set_destroy_callback(sd_netlink_slot *slot, sd_netlink_destroy_t callback); int sd_netlink_slot_get_floating(sd_netlink_slot *slot); int sd_netlink_slot_set_floating(sd_netlink_slot *slot, int b); int sd_netlink_slot_get_description(sd_netlink_slot *slot, const char **description); int sd_netlink_slot_set_description(sd_netlink_slot *slot, const char *description); _SD_DEFINE_POINTER_CLEANUP_FUNC(sd_netlink, sd_netlink_unref); _SD_DEFINE_POINTER_CLEANUP_FUNC(sd_netlink_message, sd_netlink_message_unref); _SD_DEFINE_POINTER_CLEANUP_FUNC(sd_netlink_slot, sd_netlink_slot_unref); _SD_END_DECLARATIONS; #endif