]>
Commit | Line | Data |
---|---|---|
db9ecf05 | 1 | /* SPDX-License-Identifier: LGPL-2.1-or-later */ |
1c4baffc TG |
2 | #ifndef foosdnetlinkhfoo |
3 | #define foosdnetlinkhfoo | |
4 | ||
5 | /*** | |
1c4baffc TG |
6 | systemd is free software; you can redistribute it and/or modify it |
7 | under the terms of the GNU Lesser General Public License as published by | |
8 | the Free Software Foundation; either version 2.1 of the License, or | |
9 | (at your option) any later version. | |
10 | ||
11 | systemd is distributed in the hope that it will be useful, but | |
12 | WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
14 | Lesser General Public License for more details. | |
15 | ||
16 | You should have received a copy of the GNU Lesser General Public License | |
85fce6f4 | 17 | along with systemd; If not, see <https://www.gnu.org/licenses/>. |
1c4baffc TG |
18 | ***/ |
19 | ||
386059e1 | 20 | #include <errno.h> |
1c4baffc | 21 | #include <inttypes.h> |
30782b43 | 22 | #include <net/ethernet.h> |
71d35b6b | 23 | #include <netinet/in.h> |
dc317a9a | 24 | #include <linux/filter.h> |
fa672722 YW |
25 | #include <linux/neighbour.h> |
26 | #include <linux/rtnetlink.h> | |
1c4baffc TG |
27 | |
28 | #include "sd-event.h" | |
71d35b6b | 29 | |
1c4baffc TG |
30 | #include "_sd-common.h" |
31 | ||
32 | _SD_BEGIN_DECLARATIONS; | |
33 | ||
34 | typedef struct sd_netlink sd_netlink; | |
35 | typedef struct sd_netlink_message sd_netlink_message; | |
ee38400b | 36 | typedef struct sd_netlink_slot sd_netlink_slot; |
3a56e697 | 37 | |
1c4baffc | 38 | /* callback */ |
1c4baffc | 39 | typedef int (*sd_netlink_message_handler_t)(sd_netlink *nl, sd_netlink_message *m, void *userdata); |
deae09cc | 40 | typedef _sd_destroy_t sd_netlink_destroy_t; |
1c4baffc TG |
41 | |
42 | /* bus */ | |
b44662fe ZJS |
43 | int sd_netlink_open(sd_netlink **ret); |
44 | int sd_netlink_open_fd(sd_netlink **ret, int fd); | |
78cca583 | 45 | int sd_netlink_increase_rxbuf(sd_netlink *nl, const size_t size); |
1c4baffc TG |
46 | |
47 | sd_netlink *sd_netlink_ref(sd_netlink *nl); | |
48 | sd_netlink *sd_netlink_unref(sd_netlink *nl); | |
49 | ||
50 | int sd_netlink_send(sd_netlink *nl, sd_netlink_message *message, uint32_t *serial); | |
ee38400b YW |
51 | int sd_netlink_call_async(sd_netlink *nl, sd_netlink_slot **ret_slot, sd_netlink_message *message, |
52 | sd_netlink_message_handler_t callback, sd_netlink_destroy_t destoy_callback, | |
8190a388 | 53 | void *userdata, uint64_t usec, const char *description); |
1c4baffc | 54 | int sd_netlink_call(sd_netlink *nl, sd_netlink_message *message, uint64_t timeout, |
545bab1f | 55 | sd_netlink_message **reply); |
4df42cd9 | 56 | int sd_netlink_read(sd_netlink *nl, uint32_t serial, uint64_t timeout, sd_netlink_message **reply); |
1c4baffc | 57 | |
041ea9f9 LP |
58 | int sd_netlink_get_events(sd_netlink *nl); |
59 | int sd_netlink_get_timeout(sd_netlink *nl, uint64_t *timeout); | |
1c4baffc TG |
60 | int sd_netlink_process(sd_netlink *nl, sd_netlink_message **ret); |
61 | int sd_netlink_wait(sd_netlink *nl, uint64_t timeout); | |
1c4baffc | 62 | |
ee38400b YW |
63 | int sd_netlink_add_match(sd_netlink *nl, sd_netlink_slot **ret_slot, uint16_t match, |
64 | sd_netlink_message_handler_t callback, | |
8190a388 YW |
65 | sd_netlink_destroy_t destroy_callback, |
66 | void *userdata, const char *description); | |
1c4baffc | 67 | |
32d20645 | 68 | int sd_netlink_attach_event(sd_netlink *nl, sd_event *e, int64_t priority); |
1c4baffc | 69 | int sd_netlink_detach_event(sd_netlink *nl); |
0adb58c3 | 70 | sd_event* sd_netlink_get_event(sd_netlink *nl); |
f4f81a6b | 71 | int sd_netlink_attach_filter(sd_netlink *nl, size_t len, const struct sock_filter *filter); |
1c4baffc | 72 | |
f5949908 | 73 | /* Message construction */ |
ebf404a4 | 74 | int sd_netlink_message_append_string(sd_netlink_message *m, uint16_t attr_type, const char *data); |
f4f81a6b | 75 | int sd_netlink_message_append_strv(sd_netlink_message *m, uint16_t attr_type, const char* const *data); |
ebf404a4 YW |
76 | int sd_netlink_message_append_flag(sd_netlink_message *m, uint16_t attr_type); |
77 | int sd_netlink_message_append_u8(sd_netlink_message *m, uint16_t attr_type, uint8_t data); | |
78 | int sd_netlink_message_append_u16(sd_netlink_message *m, uint16_t attr_type, uint16_t data); | |
79 | int sd_netlink_message_append_u32(sd_netlink_message *m, uint16_t attr_type, uint32_t data); | |
80 | int sd_netlink_message_append_u64(sd_netlink_message *m, uint16_t attr_type, uint64_t data); | |
81 | int sd_netlink_message_append_s8(sd_netlink_message *m, uint16_t attr_type, int8_t data); | |
82 | int sd_netlink_message_append_s16(sd_netlink_message *m, uint16_t attr_type, int16_t data); | |
83 | int sd_netlink_message_append_s32(sd_netlink_message *m, uint16_t attr_type, int32_t data); | |
84 | int sd_netlink_message_append_s64(sd_netlink_message *m, uint16_t attr_type, int64_t data); | |
85 | int sd_netlink_message_append_data(sd_netlink_message *m, uint16_t attr_type, const void *data, size_t len); | |
2c08455e YW |
86 | int sd_netlink_message_append_container_data( |
87 | sd_netlink_message *m, | |
ebf404a4 YW |
88 | uint16_t container_type, |
89 | uint16_t attr_type, | |
2c08455e YW |
90 | const void *data, |
91 | size_t len); | |
ebf404a4 YW |
92 | int sd_netlink_message_append_in_addr(sd_netlink_message *m, uint16_t attr_type, const struct in_addr *data); |
93 | int sd_netlink_message_append_in6_addr(sd_netlink_message *m, uint16_t attr_type, const struct in6_addr *data); | |
94 | int sd_netlink_message_append_sockaddr_in(sd_netlink_message *m, uint16_t attr_type, const struct sockaddr_in *data); | |
95 | int sd_netlink_message_append_sockaddr_in6(sd_netlink_message *m, uint16_t attr_type, const struct sockaddr_in6 *data); | |
96 | int sd_netlink_message_append_ether_addr(sd_netlink_message *m, uint16_t attr_type, const struct ether_addr *data); | |
97 | int sd_netlink_message_append_cache_info(sd_netlink_message *m, uint16_t attr_type, const struct ifa_cacheinfo *info); | |
98 | ||
99 | int sd_netlink_message_open_container(sd_netlink_message *m, uint16_t attr_type); | |
100 | int sd_netlink_message_open_container_union(sd_netlink_message *m, uint16_t attr_type, const char *key); | |
1c4baffc TG |
101 | int sd_netlink_message_close_container(sd_netlink_message *m); |
102 | ||
f5949908 ZJS |
103 | int sd_netlink_message_open_array(sd_netlink_message *m, uint16_t type); |
104 | int sd_netlink_message_cancel_array(sd_netlink_message *m); | |
105 | ||
106 | /* Reading messages */ | |
ebf404a4 YW |
107 | int sd_netlink_message_read(sd_netlink_message *m, uint16_t attr_type, size_t size, void *data); |
108 | int sd_netlink_message_read_data(sd_netlink_message *m, uint16_t attr_type, size_t *ret_size, void **ret_data); | |
109 | int sd_netlink_message_read_data_suffix0(sd_netlink_message *m, uint16_t attr_type, size_t *ret_size, void **ret_data); | |
110 | int sd_netlink_message_read_string_strdup(sd_netlink_message *m, uint16_t attr_type, char **data); | |
111 | int sd_netlink_message_read_string(sd_netlink_message *m, uint16_t attr_type, const char **data); | |
112 | int sd_netlink_message_read_strv(sd_netlink_message *m, uint16_t container_type, uint16_t attr_type, char ***ret); | |
113 | int sd_netlink_message_read_u8(sd_netlink_message *m, uint16_t attr_type, uint8_t *data); | |
114 | int sd_netlink_message_read_u16(sd_netlink_message *m, uint16_t attr_type, uint16_t *data); | |
115 | int sd_netlink_message_read_u32(sd_netlink_message *m, uint16_t attr_type, uint32_t *data); | |
116 | int sd_netlink_message_read_ether_addr(sd_netlink_message *m, uint16_t attr_type, struct ether_addr *data); | |
117 | int sd_netlink_message_read_cache_info(sd_netlink_message *m, uint16_t attr_type, struct ifa_cacheinfo *info); | |
118 | int sd_netlink_message_read_in_addr(sd_netlink_message *m, uint16_t attr_type, struct in_addr *data); | |
119 | int sd_netlink_message_read_in6_addr(sd_netlink_message *m, uint16_t attr_type, struct in6_addr *data); | |
120 | int sd_netlink_message_has_flag(sd_netlink_message *m, uint16_t attr_type); | |
121 | int sd_netlink_message_enter_container(sd_netlink_message *m, uint16_t attr_type); | |
122 | int sd_netlink_message_enter_array(sd_netlink_message *m, uint16_t attr_type); | |
1c4baffc TG |
123 | int sd_netlink_message_exit_container(sd_netlink_message *m); |
124 | ||
aee6309b | 125 | int sd_netlink_message_rewind(sd_netlink_message *m, sd_netlink *nl); |
1c4baffc TG |
126 | |
127 | sd_netlink_message *sd_netlink_message_next(sd_netlink_message *m); | |
128 | ||
129 | sd_netlink_message *sd_netlink_message_ref(sd_netlink_message *m); | |
130 | sd_netlink_message *sd_netlink_message_unref(sd_netlink_message *m); | |
131 | ||
24c0f385 | 132 | int sd_netlink_message_set_request_dump(sd_netlink_message *m, int dump); |
041ea9f9 LP |
133 | int sd_netlink_message_is_error(sd_netlink_message *m); |
134 | int sd_netlink_message_get_errno(sd_netlink_message *m); | |
135 | int sd_netlink_message_get_type(sd_netlink_message *m, uint16_t *type); | |
c06cb593 | 136 | int sd_netlink_message_set_flags(sd_netlink_message *m, uint16_t flags); |
041ea9f9 | 137 | int sd_netlink_message_is_broadcast(sd_netlink_message *m); |
416e8419 | 138 | int sd_netlink_message_get_max_attribute(sd_netlink_message *m, uint16_t *ret); |
1c4baffc TG |
139 | |
140 | /* rtnl */ | |
041ea9f9 | 141 | int sd_rtnl_message_get_family(sd_netlink_message *m, int *family); |
1c4baffc | 142 | |
8900c05e YW |
143 | int sd_rtnl_message_new_addr(sd_netlink *nl, sd_netlink_message **ret, uint16_t msg_type, int index, int family); |
144 | int sd_rtnl_message_new_addr_update(sd_netlink *nl, sd_netlink_message **ret, int index, int family); | |
1c4baffc TG |
145 | int sd_rtnl_message_addr_set_prefixlen(sd_netlink_message *m, unsigned char prefixlen); |
146 | int sd_rtnl_message_addr_set_scope(sd_netlink_message *m, unsigned char scope); | |
147 | int sd_rtnl_message_addr_set_flags(sd_netlink_message *m, unsigned char flags); | |
041ea9f9 | 148 | int sd_rtnl_message_addr_get_family(sd_netlink_message *m, int *family); |
b44662fe ZJS |
149 | int sd_rtnl_message_addr_get_prefixlen(sd_netlink_message *m, unsigned char *ret_prefixlen); |
150 | int sd_rtnl_message_addr_get_scope(sd_netlink_message *m, unsigned char *ret_scope); | |
151 | int sd_rtnl_message_addr_get_flags(sd_netlink_message *m, unsigned char *ret_flags); | |
152 | int sd_rtnl_message_addr_get_ifindex(sd_netlink_message *m, int *ret_ifindex); | |
1c4baffc | 153 | |
8900c05e | 154 | int sd_rtnl_message_new_link(sd_netlink *nl, sd_netlink_message **ret, uint16_t msg_type, int index); |
1c4baffc TG |
155 | int sd_rtnl_message_link_set_flags(sd_netlink_message *m, unsigned flags, unsigned change); |
156 | int sd_rtnl_message_link_set_type(sd_netlink_message *m, unsigned type); | |
157 | int sd_rtnl_message_link_set_family(sd_netlink_message *m, unsigned family); | |
041ea9f9 LP |
158 | int sd_rtnl_message_link_get_ifindex(sd_netlink_message *m, int *ifindex); |
159 | int sd_rtnl_message_link_get_flags(sd_netlink_message *m, unsigned *flags); | |
160 | int sd_rtnl_message_link_get_type(sd_netlink_message *m, unsigned short *type); | |
1c4baffc | 161 | |
8900c05e | 162 | int sd_rtnl_message_new_route(sd_netlink *nl, sd_netlink_message **ret, uint16_t nlmsg_type, int rtm_family, unsigned char rtm_protocol); |
1c4baffc TG |
163 | int sd_rtnl_message_route_set_dst_prefixlen(sd_netlink_message *m, unsigned char prefixlen); |
164 | int sd_rtnl_message_route_set_src_prefixlen(sd_netlink_message *m, unsigned char prefixlen); | |
ef4e0b7e | 165 | int sd_rtnl_message_route_set_tos(sd_netlink_message *m, unsigned char tos); |
1c4baffc | 166 | int sd_rtnl_message_route_set_scope(sd_netlink_message *m, unsigned char scope); |
6b9e85a7 | 167 | int sd_rtnl_message_route_set_flags(sd_netlink_message *m, unsigned flags); |
ec1bb279 | 168 | int sd_rtnl_message_route_set_table(sd_netlink_message *m, unsigned char table); |
983226f3 | 169 | int sd_rtnl_message_route_set_type(sd_netlink_message *m, unsigned char type); |
041ea9f9 LP |
170 | int sd_rtnl_message_route_get_flags(sd_netlink_message *m, unsigned *flags); |
171 | int sd_rtnl_message_route_get_family(sd_netlink_message *m, int *family); | |
172 | int sd_rtnl_message_route_get_protocol(sd_netlink_message *m, unsigned char *protocol); | |
173 | int sd_rtnl_message_route_get_scope(sd_netlink_message *m, unsigned char *scope); | |
174 | int sd_rtnl_message_route_get_tos(sd_netlink_message *m, unsigned char *tos); | |
175 | int sd_rtnl_message_route_get_table(sd_netlink_message *m, unsigned char *table); | |
176 | int sd_rtnl_message_route_get_dst_prefixlen(sd_netlink_message *m, unsigned char *dst_len); | |
177 | int sd_rtnl_message_route_get_src_prefixlen(sd_netlink_message *m, unsigned char *src_len); | |
178 | int sd_rtnl_message_route_get_type(sd_netlink_message *m, unsigned char *type); | |
1c4baffc | 179 | |
409856d3 | 180 | int sd_rtnl_message_new_nexthop(sd_netlink *rtnl, sd_netlink_message **ret, uint16_t nlmsg_type, int nh_family, unsigned char nh_protocol); |
c16c7808 | 181 | int sd_rtnl_message_nexthop_set_flags(sd_netlink_message *m, uint8_t flags); |
5bfee718 | 182 | int sd_rtnl_message_nexthop_get_flags(sd_netlink_message *m, uint8_t *ret); |
041ea9f9 LP |
183 | int sd_rtnl_message_nexthop_get_family(sd_netlink_message *m, uint8_t *family); |
184 | int sd_rtnl_message_nexthop_get_protocol(sd_netlink_message *m, uint8_t *protocol); | |
c16c7808 | 185 | |
409856d3 | 186 | int sd_rtnl_message_new_neigh(sd_netlink *nl, sd_netlink_message **ret, uint16_t nlmsg_type, int index, int nda_family); |
1c4baffc TG |
187 | int sd_rtnl_message_neigh_set_flags(sd_netlink_message *m, uint8_t flags); |
188 | int sd_rtnl_message_neigh_set_state(sd_netlink_message *m, uint16_t state); | |
041ea9f9 LP |
189 | int sd_rtnl_message_neigh_get_family(sd_netlink_message *m, int *family); |
190 | int sd_rtnl_message_neigh_get_ifindex(sd_netlink_message *m, int *index); | |
191 | int sd_rtnl_message_neigh_get_state(sd_netlink_message *m, uint16_t *state); | |
192 | int sd_rtnl_message_neigh_get_flags(sd_netlink_message *m, uint8_t *flags); | |
1c4baffc | 193 | |
30746d60 SS |
194 | int sd_rtnl_message_new_addrlabel(sd_netlink *rtnl, sd_netlink_message **ret, uint16_t nlmsg_type, int ifindex, int ifal_family); |
195 | int sd_rtnl_message_addrlabel_set_prefixlen(sd_netlink_message *m, unsigned char prefixlen); | |
041ea9f9 | 196 | int sd_rtnl_message_addrlabel_get_prefixlen(sd_netlink_message *m, unsigned char *prefixlen); |
30746d60 | 197 | |
bce67bbe | 198 | int sd_rtnl_message_new_routing_policy_rule(sd_netlink *rtnl, sd_netlink_message **ret, uint16_t nlmsg_type, int ifal_family); |
b43dfb6e | 199 | int sd_rtnl_message_routing_policy_rule_set_tos(sd_netlink_message *m, uint8_t tos); |
041ea9f9 | 200 | int sd_rtnl_message_routing_policy_rule_get_tos(sd_netlink_message *m, uint8_t *tos); |
b43dfb6e | 201 | int sd_rtnl_message_routing_policy_rule_set_table(sd_netlink_message *m, uint8_t table); |
041ea9f9 | 202 | int sd_rtnl_message_routing_policy_rule_get_table(sd_netlink_message *m, uint8_t *table); |
b43dfb6e | 203 | int sd_rtnl_message_routing_policy_rule_set_fib_src_prefixlen(sd_netlink_message *m, uint8_t len); |
041ea9f9 | 204 | int sd_rtnl_message_routing_policy_rule_get_fib_src_prefixlen(sd_netlink_message *m, uint8_t *len); |
b43dfb6e | 205 | int sd_rtnl_message_routing_policy_rule_set_fib_dst_prefixlen(sd_netlink_message *m, uint8_t len); |
041ea9f9 | 206 | int sd_rtnl_message_routing_policy_rule_get_fib_dst_prefixlen(sd_netlink_message *m, uint8_t *len); |
b43dfb6e | 207 | int sd_rtnl_message_routing_policy_rule_set_fib_type(sd_netlink_message *m, uint8_t type); |
041ea9f9 | 208 | int sd_rtnl_message_routing_policy_rule_get_fib_type(sd_netlink_message *m, uint8_t *type); |
b43dfb6e | 209 | int sd_rtnl_message_routing_policy_rule_set_flags(sd_netlink_message *m, uint32_t flags); |
041ea9f9 | 210 | int sd_rtnl_message_routing_policy_rule_get_flags(sd_netlink_message *m, uint32_t *flags); |
bce67bbe | 211 | |
f50b93fe YW |
212 | int sd_rtnl_message_new_traffic_control(sd_netlink *rtnl, sd_netlink_message **ret, uint16_t nlmsg_type, |
213 | int ifindex, uint32_t handle, uint32_t parent); | |
1f38b6f9 YW |
214 | int sd_rtnl_message_traffic_control_get_ifindex(sd_netlink_message *m, int *ret); |
215 | int sd_rtnl_message_traffic_control_get_handle(sd_netlink_message *m, uint32_t *ret); | |
216 | int sd_rtnl_message_traffic_control_get_parent(sd_netlink_message *m, uint32_t *ret); | |
0ebb76de | 217 | |
1903c9bb DM |
218 | int sd_rtnl_message_new_mdb(sd_netlink *rtnl, sd_netlink_message **ret, uint16_t nlmsg_type, int mdb_ifindex); |
219 | ||
05d0c2e3 | 220 | /* genl */ |
409856d3 | 221 | int sd_genl_socket_open(sd_netlink **ret); |
56fdc16d YW |
222 | int sd_genl_message_new(sd_netlink *genl, const char *family_name, uint8_t cmd, sd_netlink_message **ret); |
223 | int sd_genl_message_get_family_name(sd_netlink *genl, sd_netlink_message *m, const char **ret); | |
ef90beb1 | 224 | int sd_genl_message_get_command(sd_netlink *genl, sd_netlink_message *m, uint8_t *ret); |
e1578f60 YW |
225 | int sd_genl_add_match(sd_netlink *nl, sd_netlink_slot **ret_slot, const char *family_name, |
226 | const char *multicast_group_name, uint8_t command, | |
227 | sd_netlink_message_handler_t callback, | |
228 | sd_netlink_destroy_t destroy_callback, | |
229 | void *userdata, const char *description); | |
05d0c2e3 | 230 | |
ee38400b | 231 | /* slot */ |
409856d3 YW |
232 | sd_netlink_slot *sd_netlink_slot_ref(sd_netlink_slot *slot); |
233 | sd_netlink_slot *sd_netlink_slot_unref(sd_netlink_slot *slot); | |
ee38400b | 234 | |
1a7baaa9 YW |
235 | sd_netlink *sd_netlink_slot_get_netlink(sd_netlink_slot *slot); |
236 | void *sd_netlink_slot_get_userdata(sd_netlink_slot *slot); | |
237 | void *sd_netlink_slot_set_userdata(sd_netlink_slot *slot, void *userdata); | |
041ea9f9 | 238 | int sd_netlink_slot_get_destroy_callback(sd_netlink_slot *slot, sd_netlink_destroy_t *callback); |
1a7baaa9 | 239 | int sd_netlink_slot_set_destroy_callback(sd_netlink_slot *slot, sd_netlink_destroy_t callback); |
041ea9f9 | 240 | int sd_netlink_slot_get_floating(sd_netlink_slot *slot); |
1a7baaa9 | 241 | int sd_netlink_slot_set_floating(sd_netlink_slot *slot, int b); |
041ea9f9 | 242 | int sd_netlink_slot_get_description(sd_netlink_slot *slot, const char **description); |
8190a388 YW |
243 | int sd_netlink_slot_set_description(sd_netlink_slot *slot, const char *description); |
244 | ||
ee38400b YW |
245 | _SD_DEFINE_POINTER_CLEANUP_FUNC(sd_netlink, sd_netlink_unref); |
246 | _SD_DEFINE_POINTER_CLEANUP_FUNC(sd_netlink_message, sd_netlink_message_unref); | |
247 | _SD_DEFINE_POINTER_CLEANUP_FUNC(sd_netlink_slot, sd_netlink_slot_unref); | |
248 | ||
1c4baffc TG |
249 | _SD_END_DECLARATIONS; |
250 | ||
251 | #endif |