1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
|
// SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR BSD-3-Clause)
/* Do not edit directly, auto-generated from: */
/* Documentation/netlink/specs/fou.yaml */
/* YNL-GEN user source */
#include <stdlib.h>
#include <string.h>
#include "fou-user.h"
#include "ynl.h"
#include <linux/fou.h>
#include <libmnl/libmnl.h>
#include <linux/genetlink.h>
/* Enums */
static const char * const fou_op_strmap[] = {
[FOU_CMD_ADD] = "add",
[FOU_CMD_DEL] = "del",
[FOU_CMD_GET] = "get",
};
const char *fou_op_str(int op)
{
if (op < 0 || op >= (int)MNL_ARRAY_SIZE(fou_op_strmap))
return NULL;
return fou_op_strmap[op];
}
static const char * const fou_encap_type_strmap[] = {
[0] = "unspec",
[1] = "direct",
[2] = "gue",
};
const char *fou_encap_type_str(int value)
{
if (value < 0 || value >= (int)MNL_ARRAY_SIZE(fou_encap_type_strmap))
return NULL;
return fou_encap_type_strmap[value];
}
/* Policies */
struct ynl_policy_attr fou_policy[FOU_ATTR_MAX + 1] = {
[FOU_ATTR_UNSPEC] = { .name = "unspec", .type = YNL_PT_REJECT, },
[FOU_ATTR_PORT] = { .name = "port", .type = YNL_PT_U16, },
[FOU_ATTR_AF] = { .name = "af", .type = YNL_PT_U8, },
[FOU_ATTR_IPPROTO] = { .name = "ipproto", .type = YNL_PT_U8, },
[FOU_ATTR_TYPE] = { .name = "type", .type = YNL_PT_U8, },
[FOU_ATTR_REMCSUM_NOPARTIAL] = { .name = "remcsum_nopartial", .type = YNL_PT_FLAG, },
[FOU_ATTR_LOCAL_V4] = { .name = "local_v4", .type = YNL_PT_U32, },
[FOU_ATTR_LOCAL_V6] = { .name = "local_v6", .type = YNL_PT_BINARY,},
[FOU_ATTR_PEER_V4] = { .name = "peer_v4", .type = YNL_PT_U32, },
[FOU_ATTR_PEER_V6] = { .name = "peer_v6", .type = YNL_PT_BINARY,},
[FOU_ATTR_PEER_PORT] = { .name = "peer_port", .type = YNL_PT_U16, },
[FOU_ATTR_IFINDEX] = { .name = "ifindex", .type = YNL_PT_U32, },
};
struct ynl_policy_nest fou_nest = {
.max_attr = FOU_ATTR_MAX,
.table = fou_policy,
};
/* Common nested types */
/* ============== FOU_CMD_ADD ============== */
/* FOU_CMD_ADD - do */
void fou_add_req_free(struct fou_add_req *req)
{
free(req->local_v6);
free(req->peer_v6);
free(req);
}
int fou_add(struct ynl_sock *ys, struct fou_add_req *req)
{
struct nlmsghdr *nlh;
int err;
nlh = ynl_gemsg_start_req(ys, ys->family_id, FOU_CMD_ADD, 1);
ys->req_policy = &fou_nest;
if (req->_present.port)
mnl_attr_put_u16(nlh, FOU_ATTR_PORT, req->port);
if (req->_present.ipproto)
mnl_attr_put_u8(nlh, FOU_ATTR_IPPROTO, req->ipproto);
if (req->_present.type)
mnl_attr_put_u8(nlh, FOU_ATTR_TYPE, req->type);
if (req->_present.remcsum_nopartial)
mnl_attr_put(nlh, FOU_ATTR_REMCSUM_NOPARTIAL, 0, NULL);
if (req->_present.local_v4)
mnl_attr_put_u32(nlh, FOU_ATTR_LOCAL_V4, req->local_v4);
if (req->_present.peer_v4)
mnl_attr_put_u32(nlh, FOU_ATTR_PEER_V4, req->peer_v4);
if (req->_present.local_v6_len)
mnl_attr_put(nlh, FOU_ATTR_LOCAL_V6, req->_present.local_v6_len, req->local_v6);
if (req->_present.peer_v6_len)
mnl_attr_put(nlh, FOU_ATTR_PEER_V6, req->_present.peer_v6_len, req->peer_v6);
if (req->_present.peer_port)
mnl_attr_put_u16(nlh, FOU_ATTR_PEER_PORT, req->peer_port);
if (req->_present.ifindex)
mnl_attr_put_u32(nlh, FOU_ATTR_IFINDEX, req->ifindex);
err = ynl_exec(ys, nlh, NULL);
if (err < 0)
return -1;
return 0;
}
/* ============== FOU_CMD_DEL ============== */
/* FOU_CMD_DEL - do */
void fou_del_req_free(struct fou_del_req *req)
{
free(req->local_v6);
free(req->peer_v6);
free(req);
}
int fou_del(struct ynl_sock *ys, struct fou_del_req *req)
{
struct nlmsghdr *nlh;
int err;
nlh = ynl_gemsg_start_req(ys, ys->family_id, FOU_CMD_DEL, 1);
ys->req_policy = &fou_nest;
if (req->_present.af)
mnl_attr_put_u8(nlh, FOU_ATTR_AF, req->af);
if (req->_present.ifindex)
mnl_attr_put_u32(nlh, FOU_ATTR_IFINDEX, req->ifindex);
if (req->_present.port)
mnl_attr_put_u16(nlh, FOU_ATTR_PORT, req->port);
if (req->_present.peer_port)
mnl_attr_put_u16(nlh, FOU_ATTR_PEER_PORT, req->peer_port);
if (req->_present.local_v4)
mnl_attr_put_u32(nlh, FOU_ATTR_LOCAL_V4, req->local_v4);
if (req->_present.peer_v4)
mnl_attr_put_u32(nlh, FOU_ATTR_PEER_V4, req->peer_v4);
if (req->_present.local_v6_len)
mnl_attr_put(nlh, FOU_ATTR_LOCAL_V6, req->_present.local_v6_len, req->local_v6);
if (req->_present.peer_v6_len)
mnl_attr_put(nlh, FOU_ATTR_PEER_V6, req->_present.peer_v6_len, req->peer_v6);
err = ynl_exec(ys, nlh, NULL);
if (err < 0)
return -1;
return 0;
}
/* ============== FOU_CMD_GET ============== */
/* FOU_CMD_GET - do */
void fou_get_req_free(struct fou_get_req *req)
{
free(req->local_v6);
free(req->peer_v6);
free(req);
}
void fou_get_rsp_free(struct fou_get_rsp *rsp)
{
free(rsp->local_v6);
free(rsp->peer_v6);
free(rsp);
}
int fou_get_rsp_parse(const struct nlmsghdr *nlh, void *data)
{
struct ynl_parse_arg *yarg = data;
const struct nlattr *attr;
struct fou_get_rsp *dst;
dst = yarg->data;
mnl_attr_for_each(attr, nlh, sizeof(struct genlmsghdr)) {
unsigned int type = mnl_attr_get_type(attr);
if (type == FOU_ATTR_PORT) {
if (ynl_attr_validate(yarg, attr))
return MNL_CB_ERROR;
dst->_present.port = 1;
dst->port = mnl_attr_get_u16(attr);
} else if (type == FOU_ATTR_IPPROTO) {
if (ynl_attr_validate(yarg, attr))
return MNL_CB_ERROR;
dst->_present.ipproto = 1;
dst->ipproto = mnl_attr_get_u8(attr);
} else if (type == FOU_ATTR_TYPE) {
if (ynl_attr_validate(yarg, attr))
return MNL_CB_ERROR;
dst->_present.type = 1;
dst->type = mnl_attr_get_u8(attr);
} else if (type == FOU_ATTR_REMCSUM_NOPARTIAL) {
if (ynl_attr_validate(yarg, attr))
return MNL_CB_ERROR;
dst->_present.remcsum_nopartial = 1;
} else if (type == FOU_ATTR_LOCAL_V4) {
if (ynl_attr_validate(yarg, attr))
return MNL_CB_ERROR;
dst->_present.local_v4 = 1;
dst->local_v4 = mnl_attr_get_u32(attr);
} else if (type == FOU_ATTR_PEER_V4) {
if (ynl_attr_validate(yarg, attr))
return MNL_CB_ERROR;
dst->_present.peer_v4 = 1;
dst->peer_v4 = mnl_attr_get_u32(attr);
} else if (type == FOU_ATTR_LOCAL_V6) {
unsigned int len;
if (ynl_attr_validate(yarg, attr))
return MNL_CB_ERROR;
len = mnl_attr_get_payload_len(attr);
dst->_present.local_v6_len = len;
dst->local_v6 = malloc(len);
memcpy(dst->local_v6, mnl_attr_get_payload(attr), len);
} else if (type == FOU_ATTR_PEER_V6) {
unsigned int len;
if (ynl_attr_validate(yarg, attr))
return MNL_CB_ERROR;
len = mnl_attr_get_payload_len(attr);
dst->_present.peer_v6_len = len;
dst->peer_v6 = malloc(len);
memcpy(dst->peer_v6, mnl_attr_get_payload(attr), len);
} else if (type == FOU_ATTR_PEER_PORT) {
if (ynl_attr_validate(yarg, attr))
return MNL_CB_ERROR;
dst->_present.peer_port = 1;
dst->peer_port = mnl_attr_get_u16(attr);
} else if (type == FOU_ATTR_IFINDEX) {
if (ynl_attr_validate(yarg, attr))
return MNL_CB_ERROR;
dst->_present.ifindex = 1;
dst->ifindex = mnl_attr_get_u32(attr);
}
}
return MNL_CB_OK;
}
struct fou_get_rsp *fou_get(struct ynl_sock *ys, struct fou_get_req *req)
{
struct ynl_req_state yrs = { .yarg = { .ys = ys, }, };
struct fou_get_rsp *rsp;
struct nlmsghdr *nlh;
int err;
nlh = ynl_gemsg_start_req(ys, ys->family_id, FOU_CMD_GET, 1);
ys->req_policy = &fou_nest;
yrs.yarg.rsp_policy = &fou_nest;
if (req->_present.af)
mnl_attr_put_u8(nlh, FOU_ATTR_AF, req->af);
if (req->_present.ifindex)
mnl_attr_put_u32(nlh, FOU_ATTR_IFINDEX, req->ifindex);
if (req->_present.port)
mnl_attr_put_u16(nlh, FOU_ATTR_PORT, req->port);
if (req->_present.peer_port)
mnl_attr_put_u16(nlh, FOU_ATTR_PEER_PORT, req->peer_port);
if (req->_present.local_v4)
mnl_attr_put_u32(nlh, FOU_ATTR_LOCAL_V4, req->local_v4);
if (req->_present.peer_v4)
mnl_attr_put_u32(nlh, FOU_ATTR_PEER_V4, req->peer_v4);
if (req->_present.local_v6_len)
mnl_attr_put(nlh, FOU_ATTR_LOCAL_V6, req->_present.local_v6_len, req->local_v6);
if (req->_present.peer_v6_len)
mnl_attr_put(nlh, FOU_ATTR_PEER_V6, req->_present.peer_v6_len, req->peer_v6);
rsp = calloc(1, sizeof(*rsp));
yrs.yarg.data = rsp;
yrs.cb = fou_get_rsp_parse;
yrs.rsp_cmd = FOU_CMD_GET;
err = ynl_exec(ys, nlh, &yrs);
if (err < 0)
goto err_free;
return rsp;
err_free:
fou_get_rsp_free(rsp);
return NULL;
}
/* FOU_CMD_GET - dump */
void fou_get_list_free(struct fou_get_list *rsp)
{
struct fou_get_list *next = rsp;
while ((void *)next != YNL_LIST_END) {
rsp = next;
next = rsp->next;
free(rsp->obj.local_v6);
free(rsp->obj.peer_v6);
free(rsp);
}
}
struct fou_get_list *fou_get_dump(struct ynl_sock *ys)
{
struct ynl_dump_state yds = {};
struct nlmsghdr *nlh;
int err;
yds.ys = ys;
yds.alloc_sz = sizeof(struct fou_get_list);
yds.cb = fou_get_rsp_parse;
yds.rsp_cmd = FOU_CMD_GET;
yds.rsp_policy = &fou_nest;
nlh = ynl_gemsg_start_dump(ys, ys->family_id, FOU_CMD_GET, 1);
err = ynl_exec_dump(ys, nlh, &yds);
if (err < 0)
goto free_list;
return yds.first;
free_list:
fou_get_list_free(yds.first);
return NULL;
}
const struct ynl_family ynl_fou_family = {
.name = "fou",
};
|
