42 #include <netlink-private/netlink.h>
43 #include <netlink/netlink.h>
44 #include <netlink/cache.h>
45 #include <netlink/object.h>
46 #include <netlink/xfrm/sa.h>
47 #include <netlink/xfrm/selector.h>
48 #include <netlink/xfrm/lifetime.h>
51 #include "netlink-private/utils.h"
54 #define XFRM_SA_ATTR_SEL 0x01
55 #define XFRM_SA_ATTR_DADDR 0x02
56 #define XFRM_SA_ATTR_SPI 0x04
57 #define XFRM_SA_ATTR_PROTO 0x08
58 #define XFRM_SA_ATTR_SADDR 0x10
59 #define XFRM_SA_ATTR_LTIME_CFG 0x20
60 #define XFRM_SA_ATTR_LTIME_CUR 0x40
61 #define XFRM_SA_ATTR_STATS 0x80
62 #define XFRM_SA_ATTR_SEQ 0x100
63 #define XFRM_SA_ATTR_REQID 0x200
64 #define XFRM_SA_ATTR_FAMILY 0x400
65 #define XFRM_SA_ATTR_MODE 0x800
66 #define XFRM_SA_ATTR_REPLAY_WIN 0x1000
67 #define XFRM_SA_ATTR_FLAGS 0x2000
68 #define XFRM_SA_ATTR_ALG_AEAD 0x4000
69 #define XFRM_SA_ATTR_ALG_AUTH 0x8000
70 #define XFRM_SA_ATTR_ALG_CRYPT 0x10000
71 #define XFRM_SA_ATTR_ALG_COMP 0x20000
72 #define XFRM_SA_ATTR_ENCAP 0x40000
73 #define XFRM_SA_ATTR_TFCPAD 0x80000
74 #define XFRM_SA_ATTR_COADDR 0x100000
75 #define XFRM_SA_ATTR_MARK 0x200000
76 #define XFRM_SA_ATTR_SECCTX 0x400000
77 #define XFRM_SA_ATTR_REPLAY_MAXAGE 0x800000
78 #define XFRM_SA_ATTR_REPLAY_MAXDIFF 0x1000000
79 #define XFRM_SA_ATTR_REPLAY_STATE 0x2000000
80 #define XFRM_SA_ATTR_EXPIRE 0x4000000
81 #define XFRM_SA_ATTR_OFFLOAD_DEV 0x8000000
83 static struct nl_cache_ops xfrmnl_sa_ops;
84 static struct nl_object_ops xfrm_sa_obj_ops;
87 static void xfrm_sa_alloc_data(
struct nl_object *c)
89 struct xfrmnl_sa* sa = nl_object_priv (c);
98 static void xfrm_sa_free_data(
struct nl_object *c)
100 struct xfrmnl_sa* sa = nl_object_priv (c);
105 xfrmnl_sel_put (sa->sel);
106 xfrmnl_ltime_cfg_put (sa->lft);
119 if (sa->encap->encap_oa)
127 if (sa->replay_state_esn)
128 free (sa->replay_state_esn);
129 if (sa->user_offload)
130 free(sa->user_offload);
133 static int xfrm_sa_clone(
struct nl_object *_dst,
struct nl_object *_src)
135 struct xfrmnl_sa* dst = nl_object_priv(_dst);
136 struct xfrmnl_sa* src = nl_object_priv(_src);
140 dst->id.daddr = NULL;
150 dst->replay_state_esn = NULL;
151 dst->user_offload = NULL;
170 len =
sizeof (
struct xfrmnl_algo_aead) + ((src->aead->alg_key_len + 7) / 8);
171 if ((dst->aead = calloc (1, len)) == NULL)
173 memcpy ((
void *)dst->aead, (
void *)src->aead, len);
177 len =
sizeof (
struct xfrmnl_algo_auth) + ((src->auth->alg_key_len + 7) / 8);
178 if ((dst->auth = calloc (1, len)) == NULL)
180 memcpy ((
void *)dst->auth, (
void *)src->auth, len);
184 len =
sizeof (
struct xfrmnl_algo) + ((src->crypt->alg_key_len + 7) / 8);
185 if ((dst->crypt = calloc (1, len)) == NULL)
187 memcpy ((
void *)dst->crypt, (
void *)src->crypt, len);
191 len =
sizeof (
struct xfrmnl_algo) + ((src->comp->alg_key_len + 7) / 8);
192 if ((dst->comp = calloc (1, len)) == NULL)
194 memcpy ((
void *)dst->comp, (
void *)src->comp, len);
198 len =
sizeof (
struct xfrmnl_encap_tmpl);
199 if ((dst->encap = calloc (1, len)) == NULL)
201 memcpy ((
void *)dst->encap, (
void *)src->encap, len);
209 len =
sizeof (*src->sec_ctx) + src->sec_ctx->ctx_len;
210 if ((dst->sec_ctx = calloc (1, len)) == NULL)
212 memcpy ((
void *)dst->sec_ctx, (
void *)src->sec_ctx, len);
215 if (src->replay_state_esn) {
216 len =
sizeof (
struct xfrmnl_replay_state_esn) + (src->replay_state_esn->bmp_len *
sizeof (uint32_t));
217 if ((dst->replay_state_esn = calloc (1, len)) == NULL)
219 memcpy ((
void *)dst->replay_state_esn, (
void *)src->replay_state_esn, len);
222 if (src->user_offload) {
223 dst->user_offload = _nl_memdup_ptr(src->user_offload);
224 if (!dst->user_offload)
231 static uint64_t xfrm_sa_compare(
struct nl_object *_a,
struct nl_object *_b,
232 uint64_t attrs,
int flags)
234 struct xfrmnl_sa* a = (
struct xfrmnl_sa *) _a;
235 struct xfrmnl_sa* b = (
struct xfrmnl_sa *) _b;
239 #define XFRM_SA_DIFF(ATTR, EXPR) ATTR_DIFF(attrs, XFRM_SA_ATTR_##ATTR, a, b, EXPR)
241 diff |= XFRM_SA_DIFF(DADDR,
nl_addr_cmp(a->id.daddr, b->id.daddr));
242 diff |= XFRM_SA_DIFF(SPI, a->id.spi != b->id.spi);
243 diff |= XFRM_SA_DIFF(PROTO, a->id.proto != b->id.proto);
244 diff |= XFRM_SA_DIFF(SADDR,
nl_addr_cmp(a->saddr, b->saddr));
246 diff |= XFRM_SA_DIFF(REQID, a->reqid != b->reqid);
247 diff |= XFRM_SA_DIFF(FAMILY,a->family != b->family);
248 diff |= XFRM_SA_DIFF(MODE,a->mode != b->mode);
249 diff |= XFRM_SA_DIFF(REPLAY_WIN,a->replay_window != b->replay_window);
250 diff |= XFRM_SA_DIFF(FLAGS,a->flags != b->flags);
251 diff |= XFRM_SA_DIFF(ALG_AEAD,(strcmp(a->aead->alg_name, b->aead->alg_name) ||
252 (a->aead->alg_key_len != b->aead->alg_key_len) ||
253 (a->aead->alg_icv_len != b->aead->alg_icv_len) ||
254 memcmp(a->aead->alg_key, b->aead->alg_key,
255 ((a->aead->alg_key_len + 7)/8))));
256 diff |= XFRM_SA_DIFF(ALG_AUTH,(strcmp(a->auth->alg_name, b->auth->alg_name) ||
257 (a->auth->alg_key_len != b->auth->alg_key_len) ||
258 (a->auth->alg_trunc_len != b->auth->alg_trunc_len) ||
259 memcmp(a->auth->alg_key, b->auth->alg_key,
260 ((a->auth->alg_key_len + 7)/8))));
261 diff |= XFRM_SA_DIFF(ALG_CRYPT,(strcmp(a->crypt->alg_name, b->crypt->alg_name) ||
262 (a->crypt->alg_key_len != b->crypt->alg_key_len) ||
263 memcmp(a->crypt->alg_key, b->crypt->alg_key,
264 ((a->crypt->alg_key_len + 7)/8))));
265 diff |= XFRM_SA_DIFF(ALG_COMP,(strcmp(a->comp->alg_name, b->comp->alg_name) ||
266 (a->comp->alg_key_len != b->comp->alg_key_len) ||
267 memcmp(a->comp->alg_key, b->comp->alg_key,
268 ((a->comp->alg_key_len + 7)/8))));
269 diff |= XFRM_SA_DIFF(ENCAP,((a->encap->encap_type != b->encap->encap_type) ||
270 (a->encap->encap_sport != b->encap->encap_sport) ||
271 (a->encap->encap_dport != b->encap->encap_dport) ||
272 nl_addr_cmp(a->encap->encap_oa, b->encap->encap_oa)));
273 diff |= XFRM_SA_DIFF(TFCPAD,a->tfcpad != b->tfcpad);
274 diff |= XFRM_SA_DIFF(COADDR,
nl_addr_cmp(a->coaddr, b->coaddr));
275 diff |= XFRM_SA_DIFF(MARK,(a->mark.m != b->mark.m) ||
276 (a->mark.v != b->mark.v));
277 diff |= XFRM_SA_DIFF(SECCTX,((a->sec_ctx->ctx_doi != b->sec_ctx->ctx_doi) ||
278 (a->sec_ctx->ctx_alg != b->sec_ctx->ctx_alg) ||
279 (a->sec_ctx->ctx_len != b->sec_ctx->ctx_len) ||
280 strcmp(a->sec_ctx->ctx, b->sec_ctx->ctx)));
281 diff |= XFRM_SA_DIFF(REPLAY_MAXAGE,a->replay_maxage != b->replay_maxage);
282 diff |= XFRM_SA_DIFF(REPLAY_MAXDIFF,a->replay_maxdiff != b->replay_maxdiff);
283 diff |= XFRM_SA_DIFF(EXPIRE,a->hard != b->hard);
286 found = AVAILABLE_MISMATCH (a, b, XFRM_SA_ATTR_REPLAY_STATE);
289 if (((a->replay_state_esn != NULL) && (b->replay_state_esn == NULL)) ||
290 ((a->replay_state_esn == NULL) && (b->replay_state_esn != NULL)))
295 if (a->replay_state_esn)
297 if (a->replay_state_esn->bmp_len != b->replay_state_esn->bmp_len)
301 uint32_t len =
sizeof (
struct xfrmnl_replay_state_esn) +
302 (a->replay_state_esn->bmp_len *
sizeof (uint32_t));
303 diff |= memcmp (a->replay_state_esn, b->replay_state_esn, len);
308 if ((a->replay_state.oseq != b->replay_state.oseq) ||
309 (a->replay_state.seq != b->replay_state.seq) ||
310 (a->replay_state.bitmap != b->replay_state.bitmap))
324 static const struct trans_tbl sa_attrs[] = {
325 __ADD(XFRM_SA_ATTR_SEL, selector),
326 __ADD(XFRM_SA_ATTR_DADDR, daddr),
327 __ADD(XFRM_SA_ATTR_SPI, spi),
328 __ADD(XFRM_SA_ATTR_PROTO, proto),
329 __ADD(XFRM_SA_ATTR_SADDR, saddr),
330 __ADD(XFRM_SA_ATTR_LTIME_CFG, lifetime_cfg),
331 __ADD(XFRM_SA_ATTR_LTIME_CUR, lifetime_cur),
332 __ADD(XFRM_SA_ATTR_STATS, stats),
333 __ADD(XFRM_SA_ATTR_SEQ, seqnum),
334 __ADD(XFRM_SA_ATTR_REQID, reqid),
335 __ADD(XFRM_SA_ATTR_FAMILY, family),
336 __ADD(XFRM_SA_ATTR_MODE, mode),
337 __ADD(XFRM_SA_ATTR_REPLAY_WIN, replay_window),
338 __ADD(XFRM_SA_ATTR_FLAGS, flags),
339 __ADD(XFRM_SA_ATTR_ALG_AEAD, alg_aead),
340 __ADD(XFRM_SA_ATTR_ALG_AUTH, alg_auth),
341 __ADD(XFRM_SA_ATTR_ALG_CRYPT, alg_crypto),
342 __ADD(XFRM_SA_ATTR_ALG_COMP, alg_comp),
343 __ADD(XFRM_SA_ATTR_ENCAP, encap),
344 __ADD(XFRM_SA_ATTR_TFCPAD, tfcpad),
345 __ADD(XFRM_SA_ATTR_COADDR, coaddr),
346 __ADD(XFRM_SA_ATTR_MARK, mark),
347 __ADD(XFRM_SA_ATTR_SECCTX, sec_ctx),
348 __ADD(XFRM_SA_ATTR_REPLAY_MAXAGE, replay_maxage),
349 __ADD(XFRM_SA_ATTR_REPLAY_MAXDIFF, replay_maxdiff),
350 __ADD(XFRM_SA_ATTR_REPLAY_STATE, replay_state),
351 __ADD(XFRM_SA_ATTR_EXPIRE, expire),
352 __ADD(XFRM_SA_ATTR_OFFLOAD_DEV, user_offload),
355 static char* xfrm_sa_attrs2str(
int attrs,
char *buf,
size_t len)
357 return __flags2str (attrs, buf, len, sa_attrs, ARRAY_SIZE(sa_attrs));
365 static const struct trans_tbl sa_flags[] = {
366 __ADD(XFRM_STATE_NOECN, no ecn),
367 __ADD(XFRM_STATE_DECAP_DSCP, decap dscp),
368 __ADD(XFRM_STATE_NOPMTUDISC, no pmtu discovery),
369 __ADD(XFRM_STATE_WILDRECV, wild receive),
370 __ADD(XFRM_STATE_ICMP, icmp),
371 __ADD(XFRM_STATE_AF_UNSPEC, unspecified),
372 __ADD(XFRM_STATE_ALIGN4, align4),
373 __ADD(XFRM_STATE_ESN, esn),
376 char* xfrmnl_sa_flags2str(
int flags,
char *buf,
size_t len)
378 return __flags2str (flags, buf, len, sa_flags, ARRAY_SIZE(sa_flags));
381 int xfrmnl_sa_str2flag(
const char *name)
383 return __str2flags (name, sa_flags, ARRAY_SIZE(sa_flags));
391 static const struct trans_tbl sa_modes[] = {
392 __ADD(XFRM_MODE_TRANSPORT, transport),
393 __ADD(XFRM_MODE_TUNNEL, tunnel),
394 __ADD(XFRM_MODE_ROUTEOPTIMIZATION, route optimization),
395 __ADD(XFRM_MODE_IN_TRIGGER, in trigger),
396 __ADD(XFRM_MODE_BEET, beet),
399 char* xfrmnl_sa_mode2str(
int mode,
char *buf,
size_t len)
401 return __type2str (mode, buf, len, sa_modes, ARRAY_SIZE(sa_modes));
404 int xfrmnl_sa_str2mode(
const char *name)
406 return __str2type (name, sa_modes, ARRAY_SIZE(sa_modes));
411 static void xfrm_sa_dump_line(
struct nl_object *a,
struct nl_dump_params *p)
413 char dst[INET6_ADDRSTRLEN+5], src[INET6_ADDRSTRLEN+5];
414 struct xfrmnl_sa* sa = (
struct xfrmnl_sa *) a;
415 char flags[128], mode[128];
416 time_t add_time, use_time;
417 struct tm *add_time_tm, *use_time_tm;
419 nl_dump_line(p,
"src %s dst %s family: %s\n",
nl_addr2str(sa->saddr, src,
sizeof(src)),
421 nl_af2str (sa->family, flags, sizeof (flags)));
423 nl_dump_line(p,
"\tproto %s spi 0x%x reqid %u\n",
424 nl_ip_proto2str (sa->id.proto, flags,
sizeof(flags)),
425 sa->id.spi, sa->reqid);
427 xfrmnl_sa_flags2str(sa->flags, flags, sizeof (flags));
428 xfrmnl_sa_mode2str(sa->mode, mode, sizeof (mode));
429 nl_dump_line(p,
"\tmode: %s flags: %s (0x%x) seq: %u replay window: %u\n",
430 mode, flags, sa->flags, sa->seq, sa->replay_window);
432 nl_dump_line(p,
"\tlifetime configuration: \n");
433 if (sa->lft->soft_byte_limit == XFRM_INF)
434 sprintf (flags,
"INF");
436 sprintf (flags,
"%" PRIu64, sa->lft->soft_byte_limit);
437 if (sa->lft->soft_packet_limit == XFRM_INF)
438 sprintf (mode,
"INF");
440 sprintf (mode,
"%" PRIu64, sa->lft->soft_packet_limit);
441 nl_dump_line(p,
"\t\tsoft limit: %s (bytes), %s (packets)\n", flags, mode);
442 if (sa->lft->hard_byte_limit == XFRM_INF)
443 sprintf (flags,
"INF");
445 sprintf (flags,
"%" PRIu64, sa->lft->hard_byte_limit);
446 if (sa->lft->hard_packet_limit == XFRM_INF)
447 sprintf (mode,
"INF");
449 sprintf (mode,
"%" PRIu64, sa->lft->hard_packet_limit);
450 nl_dump_line(p,
"\t\thard limit: %s (bytes), %s (packets)\n", flags, mode);
451 nl_dump_line(p,
"\t\tsoft add_time: %llu (seconds), soft use_time: %llu (seconds) \n",
452 sa->lft->soft_add_expires_seconds, sa->lft->soft_use_expires_seconds);
453 nl_dump_line(p,
"\t\thard add_time: %llu (seconds), hard use_time: %llu (seconds) \n",
454 sa->lft->hard_add_expires_seconds, sa->lft->hard_use_expires_seconds);
456 nl_dump_line(p,
"\tlifetime current: \n");
457 nl_dump_line(p,
"\t\t%llu bytes, %llu packets\n", sa->curlft.bytes, sa->curlft.packets);
458 if (sa->curlft.add_time != 0)
460 add_time = sa->curlft.add_time;
461 add_time_tm = gmtime (&add_time);
462 strftime (flags, 128,
"%Y-%m-%d %H-%M-%S", add_time_tm);
466 sprintf (flags,
"%s",
"-");
469 if (sa->curlft.use_time != 0)
471 use_time = sa->curlft.use_time;
472 use_time_tm = gmtime (&use_time);
473 strftime (mode, 128,
"%Y-%m-%d %H-%M-%S", use_time_tm);
477 sprintf (mode,
"%s",
"-");
479 nl_dump_line(p,
"\t\tadd_time: %s, use_time: %s\n", flags, mode);
483 nl_dump_line(p,
"\tAEAD Algo: \n");
484 nl_dump_line(p,
"\t\tName: %s Key len(bits): %u ICV Len(bits): %u\n",
485 sa->aead->alg_name, sa->aead->alg_key_len, sa->aead->alg_icv_len);
490 nl_dump_line(p,
"\tAuth Algo: \n");
491 nl_dump_line(p,
"\t\tName: %s Key len(bits): %u Trunc len(bits): %u\n",
492 sa->auth->alg_name, sa->auth->alg_key_len, sa->auth->alg_trunc_len);
497 nl_dump_line(p,
"\tEncryption Algo: \n");
498 nl_dump_line(p,
"\t\tName: %s Key len(bits): %u\n",
499 sa->crypt->alg_name, sa->crypt->alg_key_len);
504 nl_dump_line(p,
"\tCompression Algo: \n");
505 nl_dump_line(p,
"\t\tName: %s Key len(bits): %u\n",
506 sa->comp->alg_name, sa->comp->alg_key_len);
511 nl_dump_line(p,
"\tEncapsulation template: \n");
512 nl_dump_line(p,
"\t\tType: %d Src port: %d Dst port: %d Encap addr: %s\n",
513 sa->encap->encap_type, sa->encap->encap_sport, sa->encap->encap_dport,
514 nl_addr2str (sa->encap->encap_oa, dst, sizeof (dst)));
517 if (sa->ce_mask & XFRM_SA_ATTR_TFCPAD)
518 nl_dump_line(p,
"\tTFC Pad: %u\n", sa->tfcpad);
520 if (sa->ce_mask & XFRM_SA_ATTR_COADDR)
521 nl_dump_line(p,
"\tCO Address: %s\n",
nl_addr2str (sa->coaddr, dst, sizeof (dst)));
523 if (sa->ce_mask & XFRM_SA_ATTR_MARK)
524 nl_dump_line(p,
"\tMark mask: 0x%x Mark value: 0x%x\n", sa->mark.m, sa->mark.v);
526 if (sa->ce_mask & XFRM_SA_ATTR_SECCTX)
527 nl_dump_line(p,
"\tDOI: %d Algo: %d Len: %u ctx: %s\n", sa->sec_ctx->ctx_doi,
528 sa->sec_ctx->ctx_alg, sa->sec_ctx->ctx_len, sa->sec_ctx->ctx);
530 nl_dump_line(p,
"\treplay info: \n");
531 nl_dump_line(p,
"\t\tmax age %u max diff %u \n", sa->replay_maxage, sa->replay_maxdiff);
533 if (sa->ce_mask & XFRM_SA_ATTR_REPLAY_STATE)
535 nl_dump_line(p,
"\treplay state info: \n");
536 if (sa->replay_state_esn)
538 nl_dump_line(p,
"\t\toseq %u seq %u oseq_hi %u seq_hi %u replay window: %u \n",
539 sa->replay_state_esn->oseq, sa->replay_state_esn->seq,
540 sa->replay_state_esn->oseq_hi, sa->replay_state_esn->seq_hi,
541 sa->replay_state_esn->replay_window);
545 nl_dump_line(p,
"\t\toseq %u seq %u bitmap: %u \n", sa->replay_state.oseq,
546 sa->replay_state.seq, sa->replay_state.bitmap);
550 nl_dump_line(p,
"\tselector info: \n");
551 xfrmnl_sel_dump (sa->sel, p);
553 nl_dump_line(p,
"\tHard: %d\n", sa->hard);
558 static void xfrm_sa_dump_stats(
struct nl_object *a,
struct nl_dump_params *p)
560 struct xfrmnl_sa* sa = (
struct xfrmnl_sa*)a;
562 nl_dump_line(p,
"\tstats: \n");
563 nl_dump_line(p,
"\t\treplay window: %u replay: %u integrity failed: %u \n",
564 sa->stats.replay_window, sa->stats.replay, sa->stats.integrity_failed);
569 static void xfrm_sa_dump_details(
struct nl_object *a,
struct nl_dump_params *p)
571 xfrm_sa_dump_line(a, p);
572 xfrm_sa_dump_stats (a, p);
580 struct xfrmnl_sa* xfrmnl_sa_alloc(
void)
585 void xfrmnl_sa_put(
struct xfrmnl_sa* sa)
607 int xfrmnl_sa_alloc_cache(
struct nl_sock *sock,
struct nl_cache **result)
620 struct xfrmnl_sa* xfrmnl_sa_get(
struct nl_cache* cache,
struct nl_addr* daddr,
621 unsigned int spi,
unsigned int proto)
623 struct xfrmnl_sa *sa;
630 if (sa->id.proto == proto &&
647 static struct nla_policy xfrm_sa_policy[XFRMA_MAX+1] = {
648 [XFRMA_SA] = { .
minlen =
sizeof(
struct xfrm_usersa_info)},
649 [XFRMA_ALG_AUTH_TRUNC] = { .minlen =
sizeof(
struct xfrm_algo_auth)},
650 [XFRMA_ALG_AEAD] = { .minlen =
sizeof(
struct xfrm_algo_aead) },
651 [XFRMA_ALG_AUTH] = { .minlen =
sizeof(
struct xfrm_algo) },
652 [XFRMA_ALG_CRYPT] = { .minlen =
sizeof(
struct xfrm_algo) },
653 [XFRMA_ALG_COMP] = { .minlen =
sizeof(
struct xfrm_algo) },
654 [XFRMA_ENCAP] = { .minlen =
sizeof(
struct xfrm_encap_tmpl) },
655 [XFRMA_TMPL] = { .minlen =
sizeof(
struct xfrm_user_tmpl) },
656 [XFRMA_SEC_CTX] = { .minlen =
sizeof(
struct xfrm_sec_ctx) },
657 [XFRMA_LTIME_VAL] = { .minlen =
sizeof(
struct xfrm_lifetime_cur) },
658 [XFRMA_REPLAY_VAL] = { .minlen =
sizeof(
struct xfrm_replay_state) },
659 [XFRMA_OFFLOAD_DEV] = { .minlen =
sizeof(
struct xfrm_user_offload) },
660 [XFRMA_REPLAY_THRESH] = { .type =
NLA_U32 },
661 [XFRMA_ETIMER_THRESH] = { .type =
NLA_U32 },
662 [XFRMA_SRCADDR] = { .minlen =
sizeof(xfrm_address_t) },
663 [XFRMA_COADDR] = { .minlen =
sizeof(xfrm_address_t) },
664 [XFRMA_MARK] = { .minlen =
sizeof(
struct xfrm_mark) },
665 [XFRMA_TFCPAD] = { .type =
NLA_U32 },
666 [XFRMA_REPLAY_ESN_VAL] = { .minlen =
sizeof(
struct xfrm_replay_state_esn) },
669 static int xfrm_sa_request_update(
struct nl_cache *c,
struct nl_sock *h)
674 int xfrmnl_sa_parse(
struct nlmsghdr *n,
struct xfrmnl_sa **result)
676 struct xfrmnl_sa* sa;
677 struct nlattr *tb[XFRMA_MAX + 1];
678 struct xfrm_usersa_info* sa_info;
679 struct xfrm_user_expire* ue;
681 struct nl_addr* addr;
683 sa = xfrmnl_sa_alloc();
689 sa->ce_msgtype = n->nlmsg_type;
690 if (n->nlmsg_type == XFRM_MSG_EXPIRE)
693 sa_info = &ue->state;
695 sa->ce_mask |= XFRM_SA_ATTR_EXPIRE;
697 else if (n->nlmsg_type == XFRM_MSG_DELSA)
699 sa_info = (
struct xfrm_usersa_info*)((
char *)
nlmsg_data(n) +
sizeof (
struct xfrm_usersa_id) + NLA_HDRLEN);
706 err =
nlmsg_parse(n,
sizeof(
struct xfrm_usersa_info), tb, XFRMA_MAX, xfrm_sa_policy);
710 if (sa_info->sel.family == AF_INET)
711 addr =
nl_addr_build (sa_info->sel.family, &sa_info->sel.daddr.a4, sizeof (sa_info->sel.daddr.a4));
713 addr =
nl_addr_build (sa_info->sel.family, &sa_info->sel.daddr.a6, sizeof (sa_info->sel.daddr.a6));
715 xfrmnl_sel_set_daddr (sa->sel, addr);
716 xfrmnl_sel_set_prefixlen_d (sa->sel, sa_info->sel.prefixlen_d);
718 if (sa_info->sel.family == AF_INET)
719 addr =
nl_addr_build (sa_info->sel.family, &sa_info->sel.saddr.a4, sizeof (sa_info->sel.saddr.a4));
721 addr =
nl_addr_build (sa_info->sel.family, &sa_info->sel.saddr.a6, sizeof (sa_info->sel.saddr.a6));
723 xfrmnl_sel_set_saddr (sa->sel, addr);
724 xfrmnl_sel_set_prefixlen_s (sa->sel, sa_info->sel.prefixlen_s);
726 xfrmnl_sel_set_dport (sa->sel, ntohs(sa_info->sel.dport));
727 xfrmnl_sel_set_dportmask (sa->sel, ntohs(sa_info->sel.dport_mask));
728 xfrmnl_sel_set_sport (sa->sel, ntohs(sa_info->sel.sport));
729 xfrmnl_sel_set_sportmask (sa->sel, ntohs(sa_info->sel.sport_mask));
730 xfrmnl_sel_set_family (sa->sel, sa_info->sel.family);
731 xfrmnl_sel_set_proto (sa->sel, sa_info->sel.proto);
732 xfrmnl_sel_set_ifindex (sa->sel, sa_info->sel.ifindex);
733 xfrmnl_sel_set_userid (sa->sel, sa_info->sel.user);
734 sa->ce_mask |= XFRM_SA_ATTR_SEL;
736 if (sa_info->family == AF_INET)
737 sa->id.daddr =
nl_addr_build (sa_info->family, &sa_info->id.daddr.a4, sizeof (sa_info->id.daddr.a4));
739 sa->id.daddr =
nl_addr_build (sa_info->family, &sa_info->id.daddr.a6, sizeof (sa_info->id.daddr.a6));
740 sa->id.spi = ntohl(sa_info->id.spi);
741 sa->id.proto = sa_info->id.proto;
742 sa->ce_mask |= (XFRM_SA_ATTR_DADDR | XFRM_SA_ATTR_SPI | XFRM_SA_ATTR_PROTO);
744 if (sa_info->family == AF_INET)
745 sa->saddr =
nl_addr_build (sa_info->family, &sa_info->saddr.a4, sizeof (sa_info->saddr.a4));
747 sa->saddr =
nl_addr_build (sa_info->family, &sa_info->saddr.a6, sizeof (sa_info->saddr.a6));
748 sa->ce_mask |= XFRM_SA_ATTR_SADDR;
750 sa->lft->soft_byte_limit = sa_info->lft.soft_byte_limit;
751 sa->lft->hard_byte_limit = sa_info->lft.hard_byte_limit;
752 sa->lft->soft_packet_limit = sa_info->lft.soft_packet_limit;
753 sa->lft->hard_packet_limit = sa_info->lft.hard_packet_limit;
754 sa->lft->soft_add_expires_seconds = sa_info->lft.soft_add_expires_seconds;
755 sa->lft->hard_add_expires_seconds = sa_info->lft.hard_add_expires_seconds;
756 sa->lft->soft_use_expires_seconds = sa_info->lft.soft_use_expires_seconds;
757 sa->lft->hard_use_expires_seconds = sa_info->lft.hard_use_expires_seconds;
758 sa->ce_mask |= XFRM_SA_ATTR_LTIME_CFG;
760 sa->curlft.bytes = sa_info->curlft.bytes;
761 sa->curlft.packets = sa_info->curlft.packets;
762 sa->curlft.add_time = sa_info->curlft.add_time;
763 sa->curlft.use_time = sa_info->curlft.use_time;
764 sa->ce_mask |= XFRM_SA_ATTR_LTIME_CUR;
766 sa->stats.replay_window = sa_info->stats.replay_window;
767 sa->stats.replay = sa_info->stats.replay;
768 sa->stats.integrity_failed = sa_info->stats.integrity_failed;
769 sa->ce_mask |= XFRM_SA_ATTR_STATS;
771 sa->seq = sa_info->seq;
772 sa->reqid = sa_info->reqid;
773 sa->family = sa_info->family;
774 sa->mode = sa_info->mode;
775 sa->replay_window = sa_info->replay_window;
776 sa->flags = sa_info->flags;
777 sa->ce_mask |= (XFRM_SA_ATTR_SEQ | XFRM_SA_ATTR_REQID |
778 XFRM_SA_ATTR_FAMILY | XFRM_SA_ATTR_MODE |
779 XFRM_SA_ATTR_REPLAY_WIN | XFRM_SA_ATTR_FLAGS);
781 if (tb[XFRMA_ALG_AEAD]) {
782 struct xfrm_algo_aead* aead =
nla_data(tb[XFRMA_ALG_AEAD]);
783 len =
sizeof (
struct xfrmnl_algo_aead) + ((aead->alg_key_len + 7) / 8);
784 if ((sa->aead = calloc (1, len)) == NULL)
789 memcpy ((
void *)sa->aead, (
void *)aead, len);
790 sa->ce_mask |= XFRM_SA_ATTR_ALG_AEAD;
793 if (tb[XFRMA_ALG_AUTH_TRUNC]) {
794 struct xfrm_algo_auth* auth =
nla_data(tb[XFRMA_ALG_AUTH_TRUNC]);
795 len =
sizeof (
struct xfrmnl_algo_auth) + ((auth->alg_key_len + 7) / 8);
796 if ((sa->auth = calloc (1, len)) == NULL)
801 memcpy ((
void *)sa->auth, (
void *)auth, len);
802 sa->ce_mask |= XFRM_SA_ATTR_ALG_AUTH;
805 if (tb[XFRMA_ALG_AUTH] && !sa->auth) {
806 struct xfrm_algo* auth =
nla_data(tb[XFRMA_ALG_AUTH]);
807 len =
sizeof (
struct xfrmnl_algo_auth) + ((auth->alg_key_len + 7) / 8);
808 if ((sa->auth = calloc (1, len)) == NULL)
813 strcpy(sa->auth->alg_name, auth->alg_name);
814 memcpy(sa->auth->alg_key, auth->alg_key, (auth->alg_key_len + 7) / 8);
815 sa->auth->alg_key_len = auth->alg_key_len;
816 sa->ce_mask |= XFRM_SA_ATTR_ALG_AUTH;
819 if (tb[XFRMA_ALG_CRYPT]) {
820 struct xfrm_algo* crypt =
nla_data(tb[XFRMA_ALG_CRYPT]);
821 len =
sizeof (
struct xfrmnl_algo) + ((crypt->alg_key_len + 7) / 8);
822 if ((sa->crypt = calloc (1, len)) == NULL)
827 memcpy ((
void *)sa->crypt, (
void *)crypt, len);
828 sa->ce_mask |= XFRM_SA_ATTR_ALG_CRYPT;
831 if (tb[XFRMA_ALG_COMP]) {
832 struct xfrm_algo* comp =
nla_data(tb[XFRMA_ALG_COMP]);
833 len =
sizeof (
struct xfrmnl_algo) + ((comp->alg_key_len + 7) / 8);
834 if ((sa->comp = calloc (1, len)) == NULL)
839 memcpy ((
void *)sa->comp, (
void *)comp, len);
840 sa->ce_mask |= XFRM_SA_ATTR_ALG_COMP;
843 if (tb[XFRMA_ENCAP]) {
844 struct xfrm_encap_tmpl* encap =
nla_data(tb[XFRMA_ENCAP]);
845 len =
sizeof (
struct xfrmnl_encap_tmpl);
846 if ((sa->encap = calloc (1, len)) == NULL)
851 sa->encap->encap_type = encap->encap_type;
852 sa->encap->encap_sport = ntohs(encap->encap_sport);
853 sa->encap->encap_dport = ntohs(encap->encap_dport);
854 if (sa_info->family == AF_INET)
855 sa->encap->encap_oa =
nl_addr_build (sa_info->family, &encap->encap_oa.a4, sizeof (encap->encap_oa.a4));
857 sa->encap->encap_oa =
nl_addr_build (sa_info->family, &encap->encap_oa.a6, sizeof (encap->encap_oa.a6));
858 sa->ce_mask |= XFRM_SA_ATTR_ENCAP;
861 if (tb[XFRMA_TFCPAD]) {
862 sa->tfcpad = *(uint32_t*)
nla_data(tb[XFRMA_TFCPAD]);
863 sa->ce_mask |= XFRM_SA_ATTR_TFCPAD;
866 if (tb[XFRMA_COADDR]) {
867 if (sa_info->family == AF_INET)
875 sizeof (uint32_t) * 4);
877 sa->ce_mask |= XFRM_SA_ATTR_COADDR;
880 if (tb[XFRMA_MARK]) {
881 struct xfrm_mark* m =
nla_data(tb[XFRMA_MARK]);
884 sa->ce_mask |= XFRM_SA_ATTR_MARK;
887 if (tb[XFRMA_SEC_CTX]) {
888 struct xfrm_user_sec_ctx* sec_ctx =
nla_data(tb[XFRMA_SEC_CTX]);
889 len =
sizeof (
struct xfrmnl_user_sec_ctx) + sec_ctx->ctx_len;
890 if ((sa->sec_ctx = calloc (1, len)) == NULL)
895 memcpy (sa->sec_ctx, sec_ctx, len);
896 sa->ce_mask |= XFRM_SA_ATTR_SECCTX;
899 if (tb[XFRMA_ETIMER_THRESH]) {
900 sa->replay_maxage = *(uint32_t*)
nla_data(tb[XFRMA_ETIMER_THRESH]);
901 sa->ce_mask |= XFRM_SA_ATTR_REPLAY_MAXAGE;
904 if (tb[XFRMA_REPLAY_THRESH]) {
905 sa->replay_maxdiff = *(uint32_t*)
nla_data(tb[XFRMA_REPLAY_THRESH]);
906 sa->ce_mask |= XFRM_SA_ATTR_REPLAY_MAXDIFF;
909 if (tb[XFRMA_REPLAY_ESN_VAL]) {
910 struct xfrm_replay_state_esn* esn =
nla_data (tb[XFRMA_REPLAY_ESN_VAL]);
911 len =
sizeof (
struct xfrmnl_replay_state_esn) + (sizeof (uint32_t) * esn->bmp_len);
912 if ((sa->replay_state_esn = calloc (1, len)) == NULL)
917 memcpy ((
void *)sa->replay_state_esn, (
void *)esn, len);
918 sa->ce_mask |= XFRM_SA_ATTR_REPLAY_STATE;
920 else if (tb[XFRMA_REPLAY_VAL])
922 struct xfrm_replay_state* replay_state =
nla_data (tb[XFRMA_REPLAY_VAL]);
923 sa->replay_state.oseq = replay_state->oseq;
924 sa->replay_state.seq = replay_state->seq;
925 sa->replay_state.bitmap = replay_state->bitmap;
926 sa->ce_mask |= XFRM_SA_ATTR_REPLAY_STATE;
927 sa->replay_state_esn = NULL;
930 if (tb[XFRMA_OFFLOAD_DEV]) {
931 struct xfrm_user_offload *offload;
933 len =
sizeof(
struct xfrmnl_user_offload);
935 if ((sa->user_offload = calloc(1, len)) == NULL) {
940 offload =
nla_data(tb[XFRMA_OFFLOAD_DEV]);
941 sa->user_offload->ifindex = offload->ifindex;
942 sa->user_offload->flags = offload->flags;
943 sa->ce_mask |= XFRM_SA_ATTR_OFFLOAD_DEV;
954 static int xfrm_sa_update_cache (
struct nl_cache *cache,
struct nl_object *obj,
955 change_func_t change_cb, change_func_v2_t change_cb_v2,
958 struct nl_object* old_sa;
959 struct xfrmnl_sa* sa = (
struct xfrmnl_sa*)obj;
990 change_cb_v2(cache, NULL, obj, 0, NL_ACT_NEW, data);
992 change_cb(cache, obj, NL_ACT_NEW, data);
997 if (change_cb || change_cb_v2)
1004 change_cb_v2(cache, old_sa, obj, diff, NL_ACT_CHANGE, data);
1005 }
else if (change_cb)
1006 change_cb(cache, obj, NL_ACT_CHANGE, data);
1016 change_cb_v2(cache, obj, NULL, 0, NL_ACT_DEL, data);
1018 change_cb (cache, obj, NL_ACT_DEL, data);
1030 return nl_cache_include_v2(cache, obj, change_cb_v2, data);
1032 return nl_cache_include (cache, obj, change_cb, data);
1036 static int xfrm_sa_msg_parser(
struct nl_cache_ops *ops,
struct sockaddr_nl *who,
1037 struct nlmsghdr *n,
struct nl_parser_param *pp)
1039 struct xfrmnl_sa* sa;
1042 if ((err = xfrmnl_sa_parse(n, &sa)) < 0)
1045 err = pp->pp_cb((
struct nl_object *) sa, pp);
1056 int xfrmnl_sa_build_get_request(
struct nl_addr* daddr,
unsigned int spi,
unsigned int protocol,
unsigned int mark_v,
unsigned int mark_m,
struct nl_msg **result)
1059 struct xfrm_usersa_id sa_id;
1060 struct xfrm_mark mark;
1064 fprintf(stderr,
"APPLICATION BUG: %s:%d:%s: A valid destination address, spi must be specified\n",
1065 __FILE__, __LINE__, __func__);
1067 return -NLE_MISSING_ATTR;
1070 memset(&sa_id, 0,
sizeof(sa_id));
1073 sa_id.spi = htonl(spi);
1074 sa_id.proto = protocol;
1079 if (
nlmsg_append(msg, &sa_id,
sizeof(sa_id), NLMSG_ALIGNTO) < 0)
1080 goto nla_put_failure;
1082 if ((mark_m & mark_v) != 0)
1084 memset(&mark, 0,
sizeof(
struct xfrm_mark));
1088 NLA_PUT (msg, XFRMA_MARK,
sizeof (
struct xfrm_mark), &mark);
1096 return -NLE_MSGSIZE;
1099 int xfrmnl_sa_get_kernel(
struct nl_sock* sock,
struct nl_addr* daddr,
unsigned int spi,
unsigned int protocol,
unsigned int mark_v,
unsigned int mark_m,
struct xfrmnl_sa** result)
1101 struct nl_msg *msg = NULL;
1102 struct nl_object *obj;
1105 if ((err = xfrmnl_sa_build_get_request(daddr, spi, protocol, mark_m, mark_v, &msg)) < 0)
1113 if ((err =
nl_pickup(sock, &xfrm_sa_msg_parser, &obj)) < 0)
1117 *result = (
struct xfrmnl_sa *) obj;
1120 if (err == 0 && obj)
1128 static int build_xfrm_sa_message(
struct xfrmnl_sa *tmpl,
int cmd,
int flags,
struct nl_msg **result)
1131 struct xfrm_usersa_info sa_info;
1133 struct nl_addr* addr;
1135 if (!(tmpl->ce_mask & XFRM_SA_ATTR_DADDR) ||
1136 !(tmpl->ce_mask & XFRM_SA_ATTR_SPI) ||
1137 !(tmpl->ce_mask & XFRM_SA_ATTR_PROTO))
1138 return -NLE_MISSING_ATTR;
1140 memset ((
void*)&sa_info, 0,
sizeof (sa_info));
1141 if (tmpl->ce_mask & XFRM_SA_ATTR_SEL)
1143 addr = xfrmnl_sel_get_daddr (tmpl->sel);
1145 addr = xfrmnl_sel_get_saddr (tmpl->sel);
1147 sa_info.sel.dport = htons (xfrmnl_sel_get_dport (tmpl->sel));
1148 sa_info.sel.dport_mask = htons (xfrmnl_sel_get_dportmask (tmpl->sel));
1149 sa_info.sel.sport = htons (xfrmnl_sel_get_sport (tmpl->sel));
1150 sa_info.sel.sport_mask = htons (xfrmnl_sel_get_sportmask (tmpl->sel));
1151 sa_info.sel.family = xfrmnl_sel_get_family (tmpl->sel);
1152 sa_info.sel.prefixlen_d = xfrmnl_sel_get_prefixlen_d (tmpl->sel);
1153 sa_info.sel.prefixlen_s = xfrmnl_sel_get_prefixlen_s (tmpl->sel);
1154 sa_info.sel.proto = xfrmnl_sel_get_proto (tmpl->sel);
1155 sa_info.sel.ifindex = xfrmnl_sel_get_ifindex (tmpl->sel);
1156 sa_info.sel.user = xfrmnl_sel_get_userid (tmpl->sel);
1160 sa_info.id.spi = htonl(tmpl->id.spi);
1161 sa_info.id.proto = tmpl->id.proto;
1163 if (tmpl->ce_mask & XFRM_SA_ATTR_SADDR)
1166 if (tmpl->ce_mask & XFRM_SA_ATTR_LTIME_CFG)
1168 sa_info.lft.soft_byte_limit = xfrmnl_ltime_cfg_get_soft_bytelimit (tmpl->lft);
1169 sa_info.lft.hard_byte_limit = xfrmnl_ltime_cfg_get_hard_bytelimit (tmpl->lft);
1170 sa_info.lft.soft_packet_limit = xfrmnl_ltime_cfg_get_soft_packetlimit (tmpl->lft);
1171 sa_info.lft.hard_packet_limit = xfrmnl_ltime_cfg_get_hard_packetlimit (tmpl->lft);
1172 sa_info.lft.soft_add_expires_seconds = xfrmnl_ltime_cfg_get_soft_addexpires (tmpl->lft);
1173 sa_info.lft.hard_add_expires_seconds = xfrmnl_ltime_cfg_get_hard_addexpires (tmpl->lft);
1174 sa_info.lft.soft_use_expires_seconds = xfrmnl_ltime_cfg_get_soft_useexpires (tmpl->lft);
1175 sa_info.lft.hard_use_expires_seconds = xfrmnl_ltime_cfg_get_hard_useexpires (tmpl->lft);
1182 if (tmpl->ce_mask & XFRM_SA_ATTR_REQID)
1183 sa_info.reqid = tmpl->reqid;
1185 if (tmpl->ce_mask & XFRM_SA_ATTR_FAMILY)
1186 sa_info.family = tmpl->family;
1188 if (tmpl->ce_mask & XFRM_SA_ATTR_MODE)
1189 sa_info.mode = tmpl->mode;
1191 if (tmpl->ce_mask & XFRM_SA_ATTR_REPLAY_WIN)
1192 sa_info.replay_window = tmpl->replay_window;
1194 if (tmpl->ce_mask & XFRM_SA_ATTR_FLAGS)
1195 sa_info.flags = tmpl->flags;
1201 if (
nlmsg_append(msg, &sa_info,
sizeof(sa_info), NLMSG_ALIGNTO) < 0)
1202 goto nla_put_failure;
1204 if (tmpl->ce_mask & XFRM_SA_ATTR_ALG_AEAD) {
1205 len =
sizeof (
struct xfrm_algo_aead) + ((tmpl->aead->alg_key_len + 7) / 8);
1206 NLA_PUT (msg, XFRMA_ALG_AEAD, len, tmpl->aead);
1209 if (tmpl->ce_mask & XFRM_SA_ATTR_ALG_AUTH) {
1212 if (tmpl->auth->alg_trunc_len) {
1213 len =
sizeof (
struct xfrm_algo_auth) + ((tmpl->auth->alg_key_len + 7) / 8);
1214 NLA_PUT (msg, XFRMA_ALG_AUTH_TRUNC, len, tmpl->auth);
1216 struct xfrm_algo *auth;
1218 len =
sizeof (
struct xfrm_algo) + ((tmpl->auth->alg_key_len + 7) / 8);
1225 _nl_strncpy_assert(auth->alg_name, tmpl->auth->alg_name,
sizeof(auth->alg_name));
1226 auth->alg_key_len = tmpl->auth->alg_key_len;
1227 memcpy(auth->alg_key, tmpl->auth->alg_key, (tmpl->auth->alg_key_len + 7) / 8);
1228 if (
nla_put(msg, XFRMA_ALG_AUTH, len, auth) < 0) {
1230 goto nla_put_failure;
1236 if (tmpl->ce_mask & XFRM_SA_ATTR_ALG_CRYPT) {
1237 len =
sizeof (
struct xfrm_algo) + ((tmpl->crypt->alg_key_len + 7) / 8);
1238 NLA_PUT (msg, XFRMA_ALG_CRYPT, len, tmpl->crypt);
1241 if (tmpl->ce_mask & XFRM_SA_ATTR_ALG_COMP) {
1242 len =
sizeof (
struct xfrm_algo) + ((tmpl->comp->alg_key_len + 7) / 8);
1243 NLA_PUT (msg, XFRMA_ALG_COMP, len, tmpl->comp);
1246 if (tmpl->ce_mask & XFRM_SA_ATTR_ENCAP) {
1247 struct xfrm_encap_tmpl* encap_tmpl;
1248 struct nlattr* encap_attr;
1250 len =
sizeof (
struct xfrm_encap_tmpl);
1253 goto nla_put_failure;
1254 encap_tmpl =
nla_data (encap_attr);
1255 encap_tmpl->encap_type = tmpl->encap->encap_type;
1256 encap_tmpl->encap_sport = htons (tmpl->encap->encap_sport);
1257 encap_tmpl->encap_dport = htons (tmpl->encap->encap_dport);
1261 if (tmpl->ce_mask & XFRM_SA_ATTR_TFCPAD) {
1265 if (tmpl->ce_mask & XFRM_SA_ATTR_COADDR) {
1266 NLA_PUT (msg, XFRMA_COADDR,
sizeof (xfrm_address_t), tmpl->coaddr);
1269 if (tmpl->ce_mask & XFRM_SA_ATTR_MARK) {
1270 NLA_PUT (msg, XFRMA_MARK,
sizeof (
struct xfrm_mark), &tmpl->mark);
1273 if (tmpl->ce_mask & XFRM_SA_ATTR_SECCTX) {
1274 len =
sizeof (
struct xfrm_sec_ctx) + tmpl->sec_ctx->ctx_len;
1275 NLA_PUT (msg, XFRMA_SEC_CTX, len, tmpl->sec_ctx);
1278 if (tmpl->ce_mask & XFRM_SA_ATTR_REPLAY_MAXAGE) {
1279 NLA_PUT_U32 (msg, XFRMA_ETIMER_THRESH, tmpl->replay_maxage);
1282 if (tmpl->ce_mask & XFRM_SA_ATTR_REPLAY_MAXDIFF) {
1283 NLA_PUT_U32 (msg, XFRMA_REPLAY_THRESH, tmpl->replay_maxdiff);
1286 if (tmpl->ce_mask & XFRM_SA_ATTR_REPLAY_STATE) {
1287 if (tmpl->replay_state_esn) {
1288 len =
sizeof (
struct xfrm_replay_state_esn) + (sizeof (uint32_t) * tmpl->replay_state_esn->bmp_len);
1289 NLA_PUT (msg, XFRMA_REPLAY_ESN_VAL, len, tmpl->replay_state_esn);
1292 NLA_PUT (msg, XFRMA_REPLAY_VAL,
sizeof (
struct xfrm_replay_state), &tmpl->replay_state);
1296 if (tmpl->ce_mask & XFRM_SA_ATTR_OFFLOAD_DEV) {
1297 struct xfrm_user_offload *offload;
1298 struct nlattr *attr;
1300 len =
sizeof(
struct xfrm_user_offload);
1304 goto nla_put_failure;
1307 offload->ifindex = tmpl->user_offload->ifindex;
1308 offload->flags = tmpl->user_offload->flags;
1316 return -NLE_MSGSIZE;
1324 int xfrmnl_sa_build_add_request(
struct xfrmnl_sa* tmpl,
int flags,
struct nl_msg **result)
1326 return build_xfrm_sa_message (tmpl, XFRM_MSG_NEWSA, flags, result);
1329 int xfrmnl_sa_add(
struct nl_sock* sk,
struct xfrmnl_sa* tmpl,
int flags)
1334 if ((err = xfrmnl_sa_build_add_request(tmpl, flags, &msg)) < 0)
1350 int xfrmnl_sa_build_update_request(
struct xfrmnl_sa* tmpl,
int flags,
struct nl_msg **result)
1352 return build_xfrm_sa_message (tmpl, XFRM_MSG_UPDSA, flags, result);
1355 int xfrmnl_sa_update(
struct nl_sock* sk,
struct xfrmnl_sa* tmpl,
int flags)
1360 if ((err = xfrmnl_sa_build_update_request(tmpl, flags, &msg)) < 0)
1373 static int build_xfrm_sa_delete_message(
struct xfrmnl_sa *tmpl,
int cmd,
int flags,
struct nl_msg **result)
1376 struct xfrm_usersa_id sa_id;
1378 if (!(tmpl->ce_mask & XFRM_SA_ATTR_DADDR) ||
1379 !(tmpl->ce_mask & XFRM_SA_ATTR_SPI) ||
1380 !(tmpl->ce_mask & XFRM_SA_ATTR_PROTO))
1381 return -NLE_MISSING_ATTR;
1383 memset(&sa_id, 0,
sizeof(
struct xfrm_usersa_id));
1387 sa_id.spi = htonl(tmpl->id.spi);
1388 sa_id.proto = tmpl->id.proto;
1394 if (
nlmsg_append(msg, &sa_id,
sizeof(sa_id), NLMSG_ALIGNTO) < 0)
1395 goto nla_put_failure;
1397 if (tmpl->ce_mask & XFRM_SA_ATTR_MARK) {
1398 NLA_PUT (msg, XFRMA_MARK,
sizeof (
struct xfrm_mark), &tmpl->mark);
1406 return -NLE_MSGSIZE;
1414 int xfrmnl_sa_build_delete_request(
struct xfrmnl_sa* tmpl,
int flags,
struct nl_msg **result)
1416 return build_xfrm_sa_delete_message (tmpl, XFRM_MSG_DELSA, flags, result);
1419 int xfrmnl_sa_delete(
struct nl_sock* sk,
struct xfrmnl_sa* tmpl,
int flags)
1424 if ((err = xfrmnl_sa_build_delete_request(tmpl, flags, &msg)) < 0)
1443 struct xfrmnl_sel* xfrmnl_sa_get_sel (
struct xfrmnl_sa* sa)
1445 if (sa->ce_mask & XFRM_SA_ATTR_SEL)
1451 int xfrmnl_sa_set_sel (
struct xfrmnl_sa* sa,
struct xfrmnl_sel* sel)
1455 xfrmnl_sel_put (sa->sel);
1458 xfrmnl_sel_get (sel);
1460 sa->ce_mask |= XFRM_SA_ATTR_SEL;
1465 static inline int __assign_addr(
struct xfrmnl_sa* sa,
struct nl_addr **pos,
1466 struct nl_addr *
new,
int flag,
int nocheck)
1470 if (sa->ce_mask & XFRM_SA_ATTR_FAMILY)
1473 return -NLE_AF_MISMATCH;
1483 sa->ce_mask |= flag;
1489 struct nl_addr* xfrmnl_sa_get_daddr (
struct xfrmnl_sa* sa)
1491 if (sa->ce_mask & XFRM_SA_ATTR_DADDR)
1492 return sa->id.daddr;
1497 int xfrmnl_sa_set_daddr (
struct xfrmnl_sa* sa,
struct nl_addr* addr)
1499 return __assign_addr(sa, &sa->id.daddr, addr, XFRM_SA_ATTR_DADDR, 0);
1502 int xfrmnl_sa_get_spi (
struct xfrmnl_sa* sa)
1504 if (sa->ce_mask & XFRM_SA_ATTR_SPI)
1510 int xfrmnl_sa_set_spi (
struct xfrmnl_sa* sa,
unsigned int spi)
1513 sa->ce_mask |= XFRM_SA_ATTR_SPI;
1518 int xfrmnl_sa_get_proto (
struct xfrmnl_sa* sa)
1520 if (sa->ce_mask & XFRM_SA_ATTR_PROTO)
1521 return sa->id.proto;
1526 int xfrmnl_sa_set_proto (
struct xfrmnl_sa* sa,
unsigned int protocol)
1528 sa->id.proto = protocol;
1529 sa->ce_mask |= XFRM_SA_ATTR_PROTO;
1534 struct nl_addr* xfrmnl_sa_get_saddr (
struct xfrmnl_sa* sa)
1536 if (sa->ce_mask & XFRM_SA_ATTR_SADDR)
1542 int xfrmnl_sa_set_saddr (
struct xfrmnl_sa* sa,
struct nl_addr* addr)
1544 return __assign_addr(sa, &sa->saddr, addr, XFRM_SA_ATTR_SADDR, 1);
1547 struct xfrmnl_ltime_cfg* xfrmnl_sa_get_lifetime_cfg (
struct xfrmnl_sa* sa)
1549 if (sa->ce_mask & XFRM_SA_ATTR_LTIME_CFG)
1555 int xfrmnl_sa_set_lifetime_cfg (
struct xfrmnl_sa* sa,
struct xfrmnl_ltime_cfg* ltime)
1559 xfrmnl_ltime_cfg_put (sa->lft);
1562 xfrmnl_ltime_cfg_get (ltime);
1564 sa->ce_mask |= XFRM_SA_ATTR_LTIME_CFG;
1569 int xfrmnl_sa_get_curlifetime (
struct xfrmnl_sa* sa,
unsigned long long int* curr_bytes,
1570 unsigned long long int* curr_packets,
unsigned long long int* curr_add_time,
unsigned long long int* curr_use_time)
1572 if (sa == NULL || curr_bytes == NULL || curr_packets == NULL || curr_add_time == NULL || curr_use_time == NULL)
1575 if (sa->ce_mask & XFRM_SA_ATTR_LTIME_CUR)
1577 *curr_bytes = sa->curlft.bytes;
1578 *curr_packets = sa->curlft.packets;
1579 *curr_add_time = sa->curlft.add_time;
1580 *curr_use_time = sa->curlft.use_time;
1588 int xfrmnl_sa_get_stats (
struct xfrmnl_sa* sa,
unsigned long long int* replay_window,
1589 unsigned long long int* replay,
unsigned long long int* integrity_failed)
1591 if (sa == NULL || replay_window == NULL || replay == NULL || integrity_failed == NULL)
1594 if (sa->ce_mask & XFRM_SA_ATTR_STATS)
1596 *replay_window = sa->stats.replay_window;
1597 *replay = sa->stats.replay;
1598 *integrity_failed = sa->stats.integrity_failed;
1606 int xfrmnl_sa_get_seq (
struct xfrmnl_sa* sa)
1608 if (sa->ce_mask & XFRM_SA_ATTR_SEQ)
1614 int xfrmnl_sa_get_reqid (
struct xfrmnl_sa* sa)
1616 if (sa->ce_mask & XFRM_SA_ATTR_REQID)
1622 int xfrmnl_sa_set_reqid (
struct xfrmnl_sa* sa,
unsigned int reqid)
1625 sa->ce_mask |= XFRM_SA_ATTR_REQID;
1630 int xfrmnl_sa_get_family (
struct xfrmnl_sa* sa)
1632 if (sa->ce_mask & XFRM_SA_ATTR_FAMILY)
1638 int xfrmnl_sa_set_family (
struct xfrmnl_sa* sa,
unsigned int family)
1640 sa->family = family;
1641 sa->ce_mask |= XFRM_SA_ATTR_FAMILY;
1646 int xfrmnl_sa_get_mode (
struct xfrmnl_sa* sa)
1648 if (sa->ce_mask & XFRM_SA_ATTR_MODE)
1654 int xfrmnl_sa_set_mode (
struct xfrmnl_sa* sa,
unsigned int mode)
1657 sa->ce_mask |= XFRM_SA_ATTR_MODE;
1662 int xfrmnl_sa_get_replay_window (
struct xfrmnl_sa* sa)
1664 if (sa->ce_mask & XFRM_SA_ATTR_REPLAY_WIN)
1665 return sa->replay_window;
1670 int xfrmnl_sa_set_replay_window (
struct xfrmnl_sa* sa,
unsigned int replay_window)
1672 sa->replay_window = replay_window;
1673 sa->ce_mask |= XFRM_SA_ATTR_REPLAY_WIN;
1678 int xfrmnl_sa_get_flags (
struct xfrmnl_sa* sa)
1680 if (sa->ce_mask & XFRM_SA_ATTR_FLAGS)
1686 int xfrmnl_sa_set_flags (
struct xfrmnl_sa* sa,
unsigned int flags)
1689 sa->ce_mask |= XFRM_SA_ATTR_FLAGS;
1710 int xfrmnl_sa_get_aead_params (
struct xfrmnl_sa* sa,
char* alg_name,
unsigned int* key_len,
unsigned int* icv_len,
char* key)
1712 if (sa->ce_mask & XFRM_SA_ATTR_ALG_AEAD)
1715 strcpy (alg_name, sa->aead->alg_name);
1717 *key_len = sa->aead->alg_key_len;
1719 *icv_len = sa->aead->alg_icv_len;
1721 memcpy (key, sa->aead->alg_key, ((sa->aead->alg_key_len + 7)/8));
1729 int xfrmnl_sa_set_aead_params (
struct xfrmnl_sa* sa,
const char* alg_name,
unsigned int key_len,
unsigned int icv_len,
const char* key)
1731 _nl_auto_free
struct xfrmnl_algo_aead *b = NULL;
1732 size_t keysize =
sizeof (uint8_t) * ((key_len + 7)/8);
1733 uint32_t newlen =
sizeof (
struct xfrmnl_algo_aead) + keysize;
1736 if (strlen (alg_name) >=
sizeof (sa->aead->alg_name))
1738 if (!(b = calloc (1, newlen)))
1741 strcpy (b->alg_name, alg_name);
1742 b->alg_key_len = key_len;
1743 b->alg_icv_len = icv_len;
1744 memcpy (b->alg_key, key, keysize);
1747 sa->aead = _nl_steal_pointer (&b);
1748 sa->ce_mask |= XFRM_SA_ATTR_ALG_AEAD;
1768 int xfrmnl_sa_get_auth_params (
struct xfrmnl_sa* sa,
char* alg_name,
unsigned int* key_len,
unsigned int* trunc_len,
char* key)
1770 if (sa->ce_mask & XFRM_SA_ATTR_ALG_AUTH)
1773 strcpy (alg_name, sa->auth->alg_name);
1775 *key_len = sa->auth->alg_key_len;
1777 *trunc_len = sa->auth->alg_trunc_len;
1779 memcpy (key, sa->auth->alg_key, (sa->auth->alg_key_len + 7)/8);
1787 int xfrmnl_sa_set_auth_params (
struct xfrmnl_sa* sa,
const char* alg_name,
unsigned int key_len,
unsigned int trunc_len,
const char* key)
1789 _nl_auto_free
struct xfrmnl_algo_auth *b = NULL;
1790 size_t keysize =
sizeof (uint8_t) * ((key_len + 7)/8);
1791 uint32_t newlen =
sizeof (
struct xfrmnl_algo_auth) + keysize;
1793 if (strlen (alg_name) >=
sizeof (sa->auth->alg_name))
1795 if (!(b = calloc (1, newlen)))
1798 strcpy (b->alg_name, alg_name);
1799 b->alg_key_len = key_len;
1800 b->alg_trunc_len = trunc_len;
1801 memcpy (b->alg_key, key, keysize);
1804 sa->auth = _nl_steal_pointer (&b);
1805 sa->ce_mask |= XFRM_SA_ATTR_ALG_AUTH;
1824 int xfrmnl_sa_get_crypto_params (
struct xfrmnl_sa* sa,
char* alg_name,
unsigned int* key_len,
char* key)
1826 if (sa->ce_mask & XFRM_SA_ATTR_ALG_CRYPT)
1829 strcpy (alg_name, sa->crypt->alg_name);
1831 *key_len = sa->crypt->alg_key_len;
1833 memcpy (key, sa->crypt->alg_key, ((sa->crypt->alg_key_len + 7)/8));
1841 int xfrmnl_sa_set_crypto_params (
struct xfrmnl_sa* sa,
const char* alg_name,
unsigned int key_len,
const char* key)
1843 _nl_auto_free
struct xfrmnl_algo *b = NULL;
1844 size_t keysize =
sizeof (uint8_t) * ((key_len + 7)/8);
1845 uint32_t newlen =
sizeof (
struct xfrmnl_algo) + keysize;
1847 if (strlen (alg_name) >=
sizeof (sa->crypt->alg_name))
1849 if (!(b = calloc (1, newlen)))
1852 strcpy (b->alg_name, alg_name);
1853 b->alg_key_len = key_len;
1854 memcpy (b->alg_key, key, keysize);
1857 sa->crypt = _nl_steal_pointer(&b);
1858 sa->ce_mask |= XFRM_SA_ATTR_ALG_CRYPT;
1877 int xfrmnl_sa_get_comp_params (
struct xfrmnl_sa* sa,
char* alg_name,
unsigned int* key_len,
char* key)
1879 if (sa->ce_mask & XFRM_SA_ATTR_ALG_COMP)
1882 strcpy (alg_name, sa->comp->alg_name);
1884 *key_len = sa->comp->alg_key_len;
1886 memcpy (key, sa->comp->alg_key, ((sa->comp->alg_key_len + 7)/8));
1894 int xfrmnl_sa_set_comp_params (
struct xfrmnl_sa* sa,
const char* alg_name,
unsigned int key_len,
const char* key)
1896 _nl_auto_free
struct xfrmnl_algo *b = NULL;
1897 size_t keysize =
sizeof (uint8_t) * ((key_len + 7)/8);
1898 uint32_t newlen =
sizeof (
struct xfrmnl_algo) + keysize;
1900 if (strlen (alg_name) >=
sizeof (sa->comp->alg_name))
1902 if (!(b = calloc (1, newlen)))
1905 strcpy (b->alg_name, alg_name);
1906 b->alg_key_len = key_len;
1907 memcpy (b->alg_key, key, keysize);
1910 sa->comp = _nl_steal_pointer(&b);
1911 sa->ce_mask |= XFRM_SA_ATTR_ALG_COMP;
1915 int xfrmnl_sa_get_encap_tmpl (
struct xfrmnl_sa* sa,
unsigned int* encap_type,
unsigned int* encap_sport,
unsigned int* encap_dport,
struct nl_addr** encap_oa)
1917 if (sa->ce_mask & XFRM_SA_ATTR_ENCAP)
1919 *encap_type = sa->encap->encap_type;
1920 *encap_sport = sa->encap->encap_sport;
1921 *encap_dport = sa->encap->encap_dport;
1930 int xfrmnl_sa_set_encap_tmpl (
struct xfrmnl_sa* sa,
unsigned int encap_type,
unsigned int encap_sport,
unsigned int encap_dport,
struct nl_addr* encap_oa)
1934 if (sa->encap->encap_oa)
1936 memset(sa->encap, 0, sizeof (*sa->encap));
1937 }
else if ((sa->encap = calloc(1,
sizeof(*sa->encap))) == NULL)
1941 sa->encap->encap_type = encap_type;
1942 sa->encap->encap_sport = encap_sport;
1943 sa->encap->encap_dport = encap_dport;
1945 sa->encap->encap_oa = encap_oa;
1947 sa->ce_mask |= XFRM_SA_ATTR_ENCAP;
1952 int xfrmnl_sa_get_tfcpad (
struct xfrmnl_sa* sa)
1954 if (sa->ce_mask & XFRM_SA_ATTR_TFCPAD)
1960 int xfrmnl_sa_set_tfcpad (
struct xfrmnl_sa* sa,
unsigned int tfcpad)
1962 sa->tfcpad = tfcpad;
1963 sa->ce_mask |= XFRM_SA_ATTR_TFCPAD;
1968 struct nl_addr* xfrmnl_sa_get_coaddr (
struct xfrmnl_sa* sa)
1970 if (sa->ce_mask & XFRM_SA_ATTR_COADDR)
1976 int xfrmnl_sa_set_coaddr (
struct xfrmnl_sa* sa,
struct nl_addr* coaddr)
1984 sa->coaddr = coaddr;
1986 sa->ce_mask |= XFRM_SA_ATTR_COADDR;
1991 int xfrmnl_sa_get_mark (
struct xfrmnl_sa* sa,
unsigned int* mark_mask,
unsigned int* mark_value)
1993 if (mark_mask == NULL || mark_value == NULL)
1996 if (sa->ce_mask & XFRM_SA_ATTR_MARK)
1998 *mark_mask = sa->mark.m;
1999 *mark_value = sa->mark.v;
2007 int xfrmnl_sa_set_mark (
struct xfrmnl_sa* sa,
unsigned int value,
unsigned int mask)
2011 sa->ce_mask |= XFRM_SA_ATTR_MARK;
2035 int xfrmnl_sa_get_sec_ctx (
struct xfrmnl_sa* sa,
unsigned int* doi,
unsigned int* alg,
2036 unsigned int* len,
unsigned int* sid,
char* ctx_str)
2038 if (sa->ce_mask & XFRM_SA_ATTR_SECCTX)
2041 *doi = sa->sec_ctx->ctx_doi;
2043 *alg = sa->sec_ctx->ctx_alg;
2045 *len = sa->sec_ctx->ctx_len;
2047 memcpy (ctx_str, sa->sec_ctx->ctx, sa->sec_ctx->ctx_len);
2068 int xfrmnl_sa_set_sec_ctx (
struct xfrmnl_sa* sa,
unsigned int doi,
unsigned int alg,
unsigned int len,
2069 unsigned int sid,
const char* ctx_str)
2071 _nl_auto_free
struct xfrmnl_user_sec_ctx *b = NULL;
2073 if (!(b = calloc(1,
sizeof (
struct xfrmnl_user_sec_ctx) + 1 + len)))
2076 b->len =
sizeof(
struct xfrmnl_user_sec_ctx) + len;
2077 b->exttype = XFRMA_SEC_CTX;
2081 memcpy (b->ctx, ctx_str, len);
2085 sa->sec_ctx = _nl_steal_pointer(&b);
2086 sa->ce_mask |= XFRM_SA_ATTR_SECCTX;
2091 int xfrmnl_sa_get_replay_maxage (
struct xfrmnl_sa* sa)
2093 if (sa->ce_mask & XFRM_SA_ATTR_REPLAY_MAXAGE)
2094 return sa->replay_maxage;
2099 int xfrmnl_sa_set_replay_maxage (
struct xfrmnl_sa* sa,
unsigned int replay_maxage)
2101 sa->replay_maxage = replay_maxage;
2102 sa->ce_mask |= XFRM_SA_ATTR_REPLAY_MAXAGE;
2107 int xfrmnl_sa_get_replay_maxdiff (
struct xfrmnl_sa* sa)
2109 if (sa->ce_mask & XFRM_SA_ATTR_REPLAY_MAXDIFF)
2110 return sa->replay_maxdiff;
2115 int xfrmnl_sa_set_replay_maxdiff (
struct xfrmnl_sa* sa,
unsigned int replay_maxdiff)
2117 sa->replay_maxdiff = replay_maxdiff;
2118 sa->ce_mask |= XFRM_SA_ATTR_REPLAY_MAXDIFF;
2123 int xfrmnl_sa_get_replay_state (
struct xfrmnl_sa* sa,
unsigned int* oseq,
unsigned int* seq,
unsigned int* bmp)
2125 if (sa->ce_mask & XFRM_SA_ATTR_REPLAY_STATE)
2127 if (sa->replay_state_esn == NULL)
2129 *oseq = sa->replay_state.oseq;
2130 *seq = sa->replay_state.seq;
2131 *bmp = sa->replay_state.bitmap;
2144 int xfrmnl_sa_set_replay_state (
struct xfrmnl_sa* sa,
unsigned int oseq,
unsigned int seq,
unsigned int bitmap)
2146 sa->replay_state.oseq = oseq;
2147 sa->replay_state.seq = seq;
2148 sa->replay_state.bitmap = bitmap;
2149 sa->ce_mask |= XFRM_SA_ATTR_REPLAY_STATE;
2154 int xfrmnl_sa_get_replay_state_esn (
struct xfrmnl_sa* sa,
unsigned int* oseq,
unsigned int* seq,
unsigned int* oseq_hi,
2155 unsigned int* seq_hi,
unsigned int* replay_window,
unsigned int* bmp_len,
unsigned int* bmp)
2157 if (sa->ce_mask & XFRM_SA_ATTR_REPLAY_STATE)
2159 if (sa->replay_state_esn)
2161 *oseq = sa->replay_state_esn->oseq;
2162 *seq = sa->replay_state_esn->seq;
2163 *oseq_hi= sa->replay_state_esn->oseq_hi;
2164 *seq_hi = sa->replay_state_esn->seq_hi;
2165 *replay_window = sa->replay_state_esn->replay_window;
2166 *bmp_len = sa->replay_state_esn->bmp_len;
2167 memcpy (bmp, sa->replay_state_esn->bmp, sa->replay_state_esn->bmp_len * sizeof (uint32_t));
2180 int xfrmnl_sa_set_replay_state_esn (
struct xfrmnl_sa* sa,
unsigned int oseq,
unsigned int seq,
2181 unsigned int oseq_hi,
unsigned int seq_hi,
unsigned int replay_window,
2182 unsigned int bmp_len,
unsigned int* bmp)
2184 _nl_auto_free
struct xfrmnl_replay_state_esn *b = NULL;
2186 if (!(b = calloc (1,
sizeof (
struct xfrmnl_replay_state_esn) + (
sizeof (uint32_t) * bmp_len))))
2191 b->oseq_hi = oseq_hi;
2193 b->replay_window = replay_window;
2194 b->bmp_len = bmp_len;
2195 memcpy (b->bmp, bmp, bmp_len * sizeof (uint32_t));
2197 free(sa->replay_state_esn);
2198 sa->replay_state_esn = _nl_steal_pointer(&b);
2199 sa->ce_mask |= XFRM_SA_ATTR_REPLAY_STATE;
2213 int xfrmnl_sa_get_user_offload(
struct xfrmnl_sa *sa,
int *ifindex, uint8_t *flags)
2217 if (sa->ce_mask & XFRM_SA_ATTR_OFFLOAD_DEV && sa->user_offload) {
2219 *ifindex = sa->user_offload->ifindex;
2221 *flags = sa->user_offload->flags;
2238 int xfrmnl_sa_set_user_offload(
struct xfrmnl_sa *sa,
int ifindex, uint8_t flags)
2240 _nl_auto_free
struct xfrmnl_user_offload *b = NULL;
2242 if (!(b = calloc(1,
sizeof(*b))))
2245 b->ifindex = ifindex;
2248 free(sa->user_offload);
2249 sa->user_offload = _nl_steal_pointer(&b);
2250 sa->ce_mask |= XFRM_SA_ATTR_OFFLOAD_DEV;
2255 int xfrmnl_sa_is_hardexpiry_reached (
struct xfrmnl_sa* sa)
2257 if (sa->ce_mask & XFRM_SA_ATTR_EXPIRE)
2258 return (sa->hard > 0 ? 1: 0);
2263 int xfrmnl_sa_is_expiry_reached (
struct xfrmnl_sa* sa)
2265 if (sa->ce_mask & XFRM_SA_ATTR_EXPIRE)
2273 static struct nl_object_ops xfrm_sa_obj_ops = {
2274 .oo_name =
"xfrm/sa",
2275 .oo_size =
sizeof(
struct xfrmnl_sa),
2276 .oo_constructor = xfrm_sa_alloc_data,
2277 .oo_free_data = xfrm_sa_free_data,
2278 .oo_clone = xfrm_sa_clone,
2284 .oo_compare = xfrm_sa_compare,
2285 .oo_attrs2str = xfrm_sa_attrs2str,
2286 .oo_id_attrs = (XFRM_SA_ATTR_DADDR | XFRM_SA_ATTR_SPI | XFRM_SA_ATTR_PROTO),
2289 static struct nl_af_group xfrm_sa_groups[] = {
2290 { AF_UNSPEC, XFRMNLGRP_SA },
2291 { AF_UNSPEC, XFRMNLGRP_EXPIRE },
2292 { END_OF_GROUP_LIST },
2295 static struct nl_cache_ops xfrmnl_sa_ops = {
2296 .co_name =
"xfrm/sa",
2297 .co_hdrsize =
sizeof(
struct xfrm_usersa_info),
2299 { XFRM_MSG_NEWSA, NL_ACT_NEW,
"new" },
2300 { XFRM_MSG_DELSA, NL_ACT_DEL,
"del" },
2301 { XFRM_MSG_GETSA, NL_ACT_GET,
"get" },
2302 { XFRM_MSG_EXPIRE, NL_ACT_UNSPEC,
"expire"},
2303 { XFRM_MSG_UPDSA, NL_ACT_NEW,
"update"},
2304 END_OF_MSGTYPES_LIST,
2306 .co_protocol = NETLINK_XFRM,
2307 .co_groups = xfrm_sa_groups,
2308 .co_request_update = xfrm_sa_request_update,
2309 .co_msg_parser = xfrm_sa_msg_parser,
2310 .co_obj_ops = &xfrm_sa_obj_ops,
2311 .co_include_event = &xfrm_sa_update_cache
2319 static void __attribute__ ((constructor)) xfrm_sa_init(
void)
2324 static void __attribute__ ((destructor)) xfrm_sa_exit(
void)
struct xfrmnl_ltime_cfg * xfrmnl_ltime_cfg_alloc()
Allocate new lifetime config object.
int xfrmnl_sel_cmp(struct xfrmnl_sel *a, struct xfrmnl_sel *b)
Compares two selector objects.
int xfrmnl_ltime_cfg_cmp(struct xfrmnl_ltime_cfg *a, struct xfrmnl_ltime_cfg *b)
Compares two lifetime config objects.
struct xfrmnl_sel * xfrmnl_sel_alloc()
Allocate new selector object.
struct xfrmnl_sel * xfrmnl_sel_clone(struct xfrmnl_sel *sel)
Clone existing selector object.
struct xfrmnl_ltime_cfg * xfrmnl_ltime_cfg_clone(struct xfrmnl_ltime_cfg *ltime)
Clone existing lifetime config object.
void * nl_addr_get_binary_addr(const struct nl_addr *addr)
Get binary address of abstract address object.
char * nl_addr2str(const struct nl_addr *addr, char *buf, size_t size)
Convert abstract address object to character string.
void nl_addr_set_prefixlen(struct nl_addr *addr, int prefixlen)
Set the prefix length of an abstract address.
int nl_addr_cmp(const struct nl_addr *a, const struct nl_addr *b)
Compare abstract addresses.
struct nl_addr * nl_addr_build(int family, const void *buf, size_t size)
Allocate abstract address based on a binary address.
int nl_addr_get_family(const struct nl_addr *addr)
Return address family.
struct nl_addr * nl_addr_clone(const struct nl_addr *addr)
Clone existing abstract address object.
struct nl_addr * nl_addr_get(struct nl_addr *addr)
Increase the reference counter of an abstract address.
unsigned int nl_addr_get_len(const struct nl_addr *addr)
Get length of binary address of abstract address object.
void nl_addr_put(struct nl_addr *addr)
Decrease the reference counter of an abstract address.
struct nlattr * nla_reserve(struct nl_msg *msg, int attrtype, int attrlen)
Reserve space for a attribute.
#define NLA_PUT(msg, attrtype, attrlen, data)
Add unspecific attribute to netlink message.
#define NLA_PUT_U32(msg, attrtype, value)
Add 32 bit integer attribute to netlink message.
int nla_put(struct nl_msg *msg, int attrtype, int datalen, const void *data)
Add a unspecific attribute to netlink message.
void * nla_data(const struct nlattr *nla)
Return pointer to the payload section.
int nl_cache_mngt_unregister(struct nl_cache_ops *ops)
Unregister a set of cache operations.
int nl_cache_mngt_register(struct nl_cache_ops *ops)
Register a set of cache operations.
struct nl_object * nl_cache_get_next(struct nl_object *obj)
Return the next element in the cache.
struct nl_object * nl_cache_get_first(struct nl_cache *cache)
Return the first element in the cache.
struct nl_object * nl_cache_search(struct nl_cache *cache, struct nl_object *needle)
Search object in cache.
void nl_cache_remove(struct nl_object *obj)
Remove object from cache.
int nl_cache_alloc_and_fill(struct nl_cache_ops *ops, struct nl_sock *sock, struct nl_cache **result)
Allocate new cache and fill it.
int nl_cache_move(struct nl_cache *cache, struct nl_object *obj)
Move object from one cache to another.
struct nl_msg * nlmsg_alloc_simple(int nlmsgtype, int flags)
Allocate a new netlink message.
void nlmsg_free(struct nl_msg *msg)
Release a reference from an netlink message.
int nlmsg_parse(struct nlmsghdr *nlh, int hdrlen, struct nlattr *tb[], int maxtype, const struct nla_policy *policy)
parse attributes of a netlink message
int nlmsg_append(struct nl_msg *n, void *data, size_t len, int pad)
Append data to tail of a netlink message.
void * nlmsg_data(const struct nlmsghdr *nlh)
Return pointer to message payload.
int nl_object_get_msgtype(const struct nl_object *obj)
Return the netlink message type the object was derived from.
uint64_t nl_object_diff64(struct nl_object *a, struct nl_object *b)
Compute bitmask representing difference in attribute values.
void nl_object_put(struct nl_object *obj)
Release a reference from an object.
struct nl_object * nl_object_alloc(struct nl_object_ops *ops)
Allocate a new object of kind specified by the operations handle.
void nl_object_get(struct nl_object *obj)
Acquire a reference on a object.
int nl_send_auto(struct nl_sock *sk, struct nl_msg *msg)
Finalize and transmit Netlink message.
int nl_send_auto_complete(struct nl_sock *sk, struct nl_msg *msg)
int nl_pickup(struct nl_sock *sk, int(*parser)(struct nl_cache_ops *, struct sockaddr_nl *, struct nlmsghdr *, struct nl_parser_param *), struct nl_object **result)
Pickup netlink answer, parse is and return object.
int nl_wait_for_ack(struct nl_sock *sk)
Wait for ACK.
int nl_send_simple(struct nl_sock *sk, int type, int flags, void *buf, size_t size)
Construct and transmit a Netlink message.
void nl_dump(struct nl_dump_params *params, const char *fmt,...)
Dump a formatted character string.
@ NL_DUMP_STATS
Dump all attributes including statistics.
@ NL_DUMP_LINE
Dump object briefly on one line.
@ NL_DUMP_DETAILS
Dump all attributes but no statistics.
Attribute validation policy.
uint16_t minlen
Minimal length of payload required.