42#include "nl-default.h"
46#include <netlink/netlink.h>
47#include <netlink/cache.h>
48#include <netlink/object.h>
49#include <netlink/xfrm/sa.h>
50#include <netlink/xfrm/selector.h>
51#include <netlink/xfrm/lifetime.h>
54#include "nl-priv-dynamic-core/object-api.h"
55#include "nl-priv-dynamic-core/nl-core.h"
56#include "nl-priv-dynamic-core/cache-api.h"
61 uint32_t replay_window;
63 uint32_t integrity_failed;
66struct xfrmnl_algo_aead {
73struct xfrmnl_algo_auth {
76 uint32_t alg_trunc_len;
86struct xfrmnl_encap_tmpl {
90 struct nl_addr* encap_oa;
93struct xfrmnl_user_offload {
103 struct nl_addr* saddr;
106 struct xfrmnl_stats stats;
111 uint8_t replay_window;
113 struct xfrmnl_algo_aead* aead;
114 struct xfrmnl_algo_auth* auth;
115 struct xfrmnl_algo* crypt;
116 struct xfrmnl_algo* comp;
117 struct xfrmnl_encap_tmpl* encap;
119 struct nl_addr* coaddr;
122 uint32_t replay_maxage;
123 uint32_t replay_maxdiff;
127 struct xfrmnl_user_offload* user_offload;
130#define XFRM_SA_ATTR_SEL 0x01
131#define XFRM_SA_ATTR_DADDR 0x02
132#define XFRM_SA_ATTR_SPI 0x04
133#define XFRM_SA_ATTR_PROTO 0x08
134#define XFRM_SA_ATTR_SADDR 0x10
135#define XFRM_SA_ATTR_LTIME_CFG 0x20
136#define XFRM_SA_ATTR_LTIME_CUR 0x40
137#define XFRM_SA_ATTR_STATS 0x80
138#define XFRM_SA_ATTR_SEQ 0x100
139#define XFRM_SA_ATTR_REQID 0x200
140#define XFRM_SA_ATTR_FAMILY 0x400
141#define XFRM_SA_ATTR_MODE 0x800
142#define XFRM_SA_ATTR_REPLAY_WIN 0x1000
143#define XFRM_SA_ATTR_FLAGS 0x2000
144#define XFRM_SA_ATTR_ALG_AEAD 0x4000
145#define XFRM_SA_ATTR_ALG_AUTH 0x8000
146#define XFRM_SA_ATTR_ALG_CRYPT 0x10000
147#define XFRM_SA_ATTR_ALG_COMP 0x20000
148#define XFRM_SA_ATTR_ENCAP 0x40000
149#define XFRM_SA_ATTR_TFCPAD 0x80000
150#define XFRM_SA_ATTR_COADDR 0x100000
151#define XFRM_SA_ATTR_MARK 0x200000
152#define XFRM_SA_ATTR_SECCTX 0x400000
153#define XFRM_SA_ATTR_REPLAY_MAXAGE 0x800000
154#define XFRM_SA_ATTR_REPLAY_MAXDIFF 0x1000000
155#define XFRM_SA_ATTR_REPLAY_STATE 0x2000000
156#define XFRM_SA_ATTR_EXPIRE 0x4000000
157#define XFRM_SA_ATTR_OFFLOAD_DEV 0x8000000
159static struct nl_cache_ops xfrmnl_sa_ops;
160static struct nl_object_ops xfrm_sa_obj_ops;
163static void xfrm_sa_alloc_data(
struct nl_object *c)
165 struct xfrmnl_sa* sa = nl_object_priv (c);
174static void xfrm_sa_free_data(
struct nl_object *c)
176 struct xfrmnl_sa* sa = nl_object_priv (c);
181 xfrmnl_sel_put (sa->sel);
182 xfrmnl_ltime_cfg_put (sa->lft);
195 if (sa->encap->encap_oa)
203 if (sa->replay_state_esn)
204 free (sa->replay_state_esn);
205 if (sa->user_offload)
206 free(sa->user_offload);
209static int xfrm_sa_clone(
struct nl_object *_dst,
struct nl_object *_src)
211 struct xfrmnl_sa* dst = nl_object_priv(_dst);
212 struct xfrmnl_sa* src = nl_object_priv(_src);
216 dst->id.daddr = NULL;
226 dst->replay_state_esn = NULL;
227 dst->user_offload = NULL;
246 len =
sizeof (
struct xfrmnl_algo_aead) + ((src->aead->alg_key_len + 7) / 8);
247 if ((dst->aead = calloc (1, len)) == NULL)
249 memcpy ((
void *)dst->aead, (
void *)src->aead, len);
253 len =
sizeof (
struct xfrmnl_algo_auth) + ((src->auth->alg_key_len + 7) / 8);
254 if ((dst->auth = calloc (1, len)) == NULL)
256 memcpy ((
void *)dst->auth, (
void *)src->auth, len);
260 len =
sizeof (
struct xfrmnl_algo) + ((src->crypt->alg_key_len + 7) / 8);
261 if ((dst->crypt = calloc (1, len)) == NULL)
263 memcpy ((
void *)dst->crypt, (
void *)src->crypt, len);
267 len =
sizeof (
struct xfrmnl_algo) + ((src->comp->alg_key_len + 7) / 8);
268 if ((dst->comp = calloc (1, len)) == NULL)
270 memcpy ((
void *)dst->comp, (
void *)src->comp, len);
274 len =
sizeof (
struct xfrmnl_encap_tmpl);
275 if ((dst->encap = calloc (1, len)) == NULL)
277 memcpy ((
void *)dst->encap, (
void *)src->encap, len);
285 len =
sizeof (*src->sec_ctx) + src->sec_ctx->ctx_len;
286 if ((dst->sec_ctx = calloc (1, len)) == NULL)
288 memcpy ((
void *)dst->sec_ctx, (
void *)src->sec_ctx, len);
291 if (src->replay_state_esn) {
293 if ((dst->replay_state_esn = calloc (1, len)) == NULL)
295 memcpy ((
void *)dst->replay_state_esn, (
void *)src->replay_state_esn, len);
298 if (src->user_offload) {
299 dst->user_offload = _nl_memdup_ptr(src->user_offload);
300 if (!dst->user_offload)
307static uint64_t xfrm_sa_compare(
struct nl_object *_a,
struct nl_object *_b,
308 uint64_t attrs,
int flags)
310 struct xfrmnl_sa* a = (
struct xfrmnl_sa *) _a;
311 struct xfrmnl_sa* b = (
struct xfrmnl_sa *) _b;
315#define _DIFF(ATTR, EXPR) ATTR_DIFF(attrs, ATTR, a, b, EXPR)
317 diff |= _DIFF(XFRM_SA_ATTR_DADDR,
319 diff |= _DIFF(XFRM_SA_ATTR_SPI, a->id.spi != b->id.spi);
320 diff |= _DIFF(XFRM_SA_ATTR_PROTO, a->id.proto != b->id.proto);
321 diff |= _DIFF(XFRM_SA_ATTR_SADDR,
nl_addr_cmp(a->saddr, b->saddr));
322 diff |= _DIFF(XFRM_SA_ATTR_LTIME_CFG,
324 diff |= _DIFF(XFRM_SA_ATTR_REQID, a->reqid != b->reqid);
325 diff |= _DIFF(XFRM_SA_ATTR_FAMILY, a->family != b->family);
326 diff |= _DIFF(XFRM_SA_ATTR_MODE, a->mode != b->mode);
327 diff |= _DIFF(XFRM_SA_ATTR_REPLAY_WIN,
328 a->replay_window != b->replay_window);
329 diff |= _DIFF(XFRM_SA_ATTR_FLAGS, a->flags != b->flags);
330 diff |= _DIFF(XFRM_SA_ATTR_ALG_AEAD,
331 (strcmp(a->aead->alg_name, b->aead->alg_name) ||
332 (a->aead->alg_key_len != b->aead->alg_key_len) ||
333 (a->aead->alg_icv_len != b->aead->alg_icv_len) ||
334 memcmp(a->aead->alg_key, b->aead->alg_key,
335 ((a->aead->alg_key_len + 7) / 8))));
336 diff |= _DIFF(XFRM_SA_ATTR_ALG_AUTH,
337 (strcmp(a->auth->alg_name, b->auth->alg_name) ||
338 (a->auth->alg_key_len != b->auth->alg_key_len) ||
339 (a->auth->alg_trunc_len != b->auth->alg_trunc_len) ||
340 memcmp(a->auth->alg_key, b->auth->alg_key,
341 ((a->auth->alg_key_len + 7) / 8))));
342 diff |= _DIFF(XFRM_SA_ATTR_ALG_CRYPT,
343 (strcmp(a->crypt->alg_name, b->crypt->alg_name) ||
344 (a->crypt->alg_key_len != b->crypt->alg_key_len) ||
345 memcmp(a->crypt->alg_key, b->crypt->alg_key,
346 ((a->crypt->alg_key_len + 7) / 8))));
347 diff |= _DIFF(XFRM_SA_ATTR_ALG_COMP,
348 (strcmp(a->comp->alg_name, b->comp->alg_name) ||
349 (a->comp->alg_key_len != b->comp->alg_key_len) ||
350 memcmp(a->comp->alg_key, b->comp->alg_key,
351 ((a->comp->alg_key_len + 7) / 8))));
352 diff |= _DIFF(XFRM_SA_ATTR_ENCAP,
353 ((a->encap->encap_type != b->encap->encap_type) ||
354 (a->encap->encap_sport != b->encap->encap_sport) ||
355 (a->encap->encap_dport != b->encap->encap_dport) ||
356 nl_addr_cmp(a->encap->encap_oa, b->encap->encap_oa)));
357 diff |= _DIFF(XFRM_SA_ATTR_TFCPAD, a->tfcpad != b->tfcpad);
358 diff |= _DIFF(XFRM_SA_ATTR_COADDR,
nl_addr_cmp(a->coaddr, b->coaddr));
359 diff |= _DIFF(XFRM_SA_ATTR_MARK,
360 (a->mark.m != b->mark.m) || (a->mark.v != b->mark.v));
361 diff |= _DIFF(XFRM_SA_ATTR_SECCTX,
362 ((a->sec_ctx->ctx_doi != b->sec_ctx->ctx_doi) ||
363 (a->sec_ctx->ctx_alg != b->sec_ctx->ctx_alg) ||
364 (a->sec_ctx->ctx_len != b->sec_ctx->ctx_len) ||
365 strcmp(a->sec_ctx->ctx, b->sec_ctx->ctx)));
366 diff |= _DIFF(XFRM_SA_ATTR_REPLAY_MAXAGE,
367 a->replay_maxage != b->replay_maxage);
368 diff |= _DIFF(XFRM_SA_ATTR_REPLAY_MAXDIFF,
369 a->replay_maxdiff != b->replay_maxdiff);
370 diff |= _DIFF(XFRM_SA_ATTR_EXPIRE, a->hard != b->hard);
373 found = AVAILABLE_MISMATCH (a, b, XFRM_SA_ATTR_REPLAY_STATE);
376 if (((a->replay_state_esn != NULL) && (b->replay_state_esn == NULL)) ||
377 ((a->replay_state_esn == NULL) && (b->replay_state_esn != NULL)))
382 if (a->replay_state_esn)
384 if (a->replay_state_esn->bmp_len != b->replay_state_esn->bmp_len)
389 (a->replay_state_esn->bmp_len *
sizeof (uint32_t));
390 diff |= memcmp (a->replay_state_esn, b->replay_state_esn, len);
395 if ((a->replay_state.oseq != b->replay_state.oseq) ||
396 (a->replay_state.seq != b->replay_state.seq) ||
397 (a->replay_state.bitmap != b->replay_state.bitmap))
411static const struct trans_tbl sa_attrs[] = {
412 __ADD(XFRM_SA_ATTR_SEL, selector),
413 __ADD(XFRM_SA_ATTR_DADDR, daddr),
414 __ADD(XFRM_SA_ATTR_SPI, spi),
415 __ADD(XFRM_SA_ATTR_PROTO, proto),
416 __ADD(XFRM_SA_ATTR_SADDR, saddr),
417 __ADD(XFRM_SA_ATTR_LTIME_CFG, lifetime_cfg),
418 __ADD(XFRM_SA_ATTR_LTIME_CUR, lifetime_cur),
419 __ADD(XFRM_SA_ATTR_STATS, stats),
420 __ADD(XFRM_SA_ATTR_SEQ, seqnum),
421 __ADD(XFRM_SA_ATTR_REQID, reqid),
422 __ADD(XFRM_SA_ATTR_FAMILY, family),
423 __ADD(XFRM_SA_ATTR_MODE, mode),
424 __ADD(XFRM_SA_ATTR_REPLAY_WIN, replay_window),
425 __ADD(XFRM_SA_ATTR_FLAGS, flags),
426 __ADD(XFRM_SA_ATTR_ALG_AEAD, alg_aead),
427 __ADD(XFRM_SA_ATTR_ALG_AUTH, alg_auth),
428 __ADD(XFRM_SA_ATTR_ALG_CRYPT, alg_crypto),
429 __ADD(XFRM_SA_ATTR_ALG_COMP, alg_comp),
430 __ADD(XFRM_SA_ATTR_ENCAP, encap),
431 __ADD(XFRM_SA_ATTR_TFCPAD, tfcpad),
432 __ADD(XFRM_SA_ATTR_COADDR, coaddr),
433 __ADD(XFRM_SA_ATTR_MARK, mark),
434 __ADD(XFRM_SA_ATTR_SECCTX, sec_ctx),
435 __ADD(XFRM_SA_ATTR_REPLAY_MAXAGE, replay_maxage),
436 __ADD(XFRM_SA_ATTR_REPLAY_MAXDIFF, replay_maxdiff),
437 __ADD(XFRM_SA_ATTR_REPLAY_STATE, replay_state),
438 __ADD(XFRM_SA_ATTR_EXPIRE, expire),
439 __ADD(XFRM_SA_ATTR_OFFLOAD_DEV, user_offload),
442static char* xfrm_sa_attrs2str(
int attrs,
char *buf,
size_t len)
444 return __flags2str (attrs, buf, len, sa_attrs, ARRAY_SIZE(sa_attrs));
452static const struct trans_tbl sa_flags[] = {
453 __ADD(XFRM_STATE_NOECN, no ecn),
454 __ADD(XFRM_STATE_DECAP_DSCP, decap dscp),
455 __ADD(XFRM_STATE_NOPMTUDISC, no pmtu discovery),
456 __ADD(XFRM_STATE_WILDRECV, wild receive),
457 __ADD(XFRM_STATE_ICMP, icmp),
458 __ADD(XFRM_STATE_AF_UNSPEC, unspecified),
459 __ADD(XFRM_STATE_ALIGN4, align4),
460 __ADD(XFRM_STATE_ESN, esn),
463char* xfrmnl_sa_flags2str(
int flags,
char *buf,
size_t len)
465 return __flags2str (flags, buf, len, sa_flags, ARRAY_SIZE(sa_flags));
468int xfrmnl_sa_str2flag(
const char *name)
470 return __str2flags (name, sa_flags, ARRAY_SIZE(sa_flags));
478static const struct trans_tbl sa_modes[] = {
479 __ADD(XFRM_MODE_TRANSPORT, transport),
480 __ADD(XFRM_MODE_TUNNEL, tunnel),
481 __ADD(XFRM_MODE_ROUTEOPTIMIZATION, route optimization),
482 __ADD(XFRM_MODE_IN_TRIGGER, in trigger),
483 __ADD(XFRM_MODE_BEET, beet),
486char* xfrmnl_sa_mode2str(
int mode,
char *buf,
size_t len)
488 return __type2str (mode, buf, len, sa_modes, ARRAY_SIZE(sa_modes));
491int xfrmnl_sa_str2mode(
const char *name)
493 return __str2type (name, sa_modes, ARRAY_SIZE(sa_modes));
498static void xfrm_sa_dump_line(
struct nl_object *a,
struct nl_dump_params *p)
500 char dst[INET6_ADDRSTRLEN+5], src[INET6_ADDRSTRLEN+5];
501 struct xfrmnl_sa* sa = (
struct xfrmnl_sa *) a;
502 char flags[128], mode[128];
503 time_t add_time, use_time;
504 struct tm *add_time_tm, *use_time_tm;
507 nl_dump_line(p,
"src %s dst %s family: %s\n",
nl_addr2str(sa->saddr, src,
sizeof(src)),
509 nl_af2str (sa->family, flags, sizeof (flags)));
511 nl_dump_line(p,
"\tproto %s spi 0x%x reqid %u\n",
512 nl_ip_proto2str (sa->id.proto, flags,
sizeof(flags)),
513 sa->id.spi, sa->reqid);
515 xfrmnl_sa_flags2str(sa->flags, flags, sizeof (flags));
516 xfrmnl_sa_mode2str(sa->mode, mode, sizeof (mode));
517 nl_dump_line(p,
"\tmode: %s flags: %s (0x%x) seq: %u replay window: %u\n",
518 mode, flags, sa->flags, sa->seq, sa->replay_window);
520 nl_dump_line(p,
"\tlifetime configuration: \n");
521 if (sa->lft->soft_byte_limit == XFRM_INF)
522 sprintf (flags,
"INF");
524 sprintf (flags,
"%" PRIu64, sa->lft->soft_byte_limit);
525 if (sa->lft->soft_packet_limit == XFRM_INF)
526 sprintf (mode,
"INF");
528 sprintf (mode,
"%" PRIu64, sa->lft->soft_packet_limit);
529 nl_dump_line(p,
"\t\tsoft limit: %s (bytes), %s (packets)\n", flags, mode);
530 if (sa->lft->hard_byte_limit == XFRM_INF)
531 sprintf (flags,
"INF");
533 sprintf (flags,
"%" PRIu64, sa->lft->hard_byte_limit);
534 if (sa->lft->hard_packet_limit == XFRM_INF)
535 sprintf (mode,
"INF");
537 sprintf (mode,
"%" PRIu64, sa->lft->hard_packet_limit);
538 nl_dump_line(p,
"\t\thard limit: %s (bytes), %s (packets)\n", flags,
542 "\t\tsoft add_time: %llu (seconds), soft use_time: %llu (seconds) \n",
543 (
long long unsigned)sa->lft->soft_add_expires_seconds,
544 (
long long unsigned)sa->lft->soft_use_expires_seconds);
547 "\t\thard add_time: %llu (seconds), hard use_time: %llu (seconds) \n",
548 (
long long unsigned)sa->lft->hard_add_expires_seconds,
549 (
long long unsigned)sa->lft->hard_use_expires_seconds);
551 nl_dump_line(p,
"\tlifetime current: \n");
552 nl_dump_line(p,
"\t\t%llu bytes, %llu packets\n",
553 (
long long unsigned)sa->curlft.bytes,
554 (
long long unsigned)sa->curlft.packets);
555 if (sa->curlft.add_time != 0)
557 add_time = sa->curlft.add_time;
558 add_time_tm = gmtime_r (&add_time, &tm_buf);
559 strftime (flags, 128,
"%Y-%m-%d %H-%M-%S", add_time_tm);
563 sprintf (flags,
"%s",
"-");
566 if (sa->curlft.use_time != 0)
568 use_time = sa->curlft.use_time;
569 use_time_tm = gmtime_r (&use_time, &tm_buf);
570 strftime (mode, 128,
"%Y-%m-%d %H-%M-%S", use_time_tm);
574 sprintf (mode,
"%s",
"-");
576 nl_dump_line(p,
"\t\tadd_time: %s, use_time: %s\n", flags, mode);
580 nl_dump_line(p,
"\tAEAD Algo: \n");
581 nl_dump_line(p,
"\t\tName: %s Key len(bits): %u ICV Len(bits): %u\n",
582 sa->aead->alg_name, sa->aead->alg_key_len, sa->aead->alg_icv_len);
587 nl_dump_line(p,
"\tAuth Algo: \n");
588 nl_dump_line(p,
"\t\tName: %s Key len(bits): %u Trunc len(bits): %u\n",
589 sa->auth->alg_name, sa->auth->alg_key_len, sa->auth->alg_trunc_len);
594 nl_dump_line(p,
"\tEncryption Algo: \n");
595 nl_dump_line(p,
"\t\tName: %s Key len(bits): %u\n",
596 sa->crypt->alg_name, sa->crypt->alg_key_len);
601 nl_dump_line(p,
"\tCompression Algo: \n");
602 nl_dump_line(p,
"\t\tName: %s Key len(bits): %u\n",
603 sa->comp->alg_name, sa->comp->alg_key_len);
608 nl_dump_line(p,
"\tEncapsulation template: \n");
609 nl_dump_line(p,
"\t\tType: %d Src port: %d Dst port: %d Encap addr: %s\n",
610 sa->encap->encap_type, sa->encap->encap_sport, sa->encap->encap_dport,
611 nl_addr2str (sa->encap->encap_oa, dst, sizeof (dst)));
614 if (sa->ce_mask & XFRM_SA_ATTR_TFCPAD)
615 nl_dump_line(p,
"\tTFC Pad: %u\n", sa->tfcpad);
617 if (sa->ce_mask & XFRM_SA_ATTR_COADDR)
618 nl_dump_line(p,
"\tCO Address: %s\n",
nl_addr2str (sa->coaddr, dst, sizeof (dst)));
620 if (sa->ce_mask & XFRM_SA_ATTR_MARK)
621 nl_dump_line(p,
"\tMark mask: 0x%x Mark value: 0x%x\n", sa->mark.m, sa->mark.v);
623 if (sa->ce_mask & XFRM_SA_ATTR_SECCTX)
624 nl_dump_line(p,
"\tDOI: %d Algo: %d Len: %u ctx: %s\n", sa->sec_ctx->ctx_doi,
625 sa->sec_ctx->ctx_alg, sa->sec_ctx->ctx_len, sa->sec_ctx->ctx);
627 nl_dump_line(p,
"\treplay info: \n");
628 nl_dump_line(p,
"\t\tmax age %u max diff %u \n", sa->replay_maxage, sa->replay_maxdiff);
630 if (sa->ce_mask & XFRM_SA_ATTR_REPLAY_STATE)
632 nl_dump_line(p,
"\treplay state info: \n");
633 if (sa->replay_state_esn)
635 nl_dump_line(p,
"\t\toseq %u seq %u oseq_hi %u seq_hi %u replay window: %u \n",
636 sa->replay_state_esn->oseq, sa->replay_state_esn->seq,
637 sa->replay_state_esn->oseq_hi, sa->replay_state_esn->seq_hi,
638 sa->replay_state_esn->replay_window);
642 nl_dump_line(p,
"\t\toseq %u seq %u bitmap: %u \n", sa->replay_state.oseq,
643 sa->replay_state.seq, sa->replay_state.bitmap);
647 nl_dump_line(p,
"\tselector info: \n");
648 xfrmnl_sel_dump (sa->sel, p);
650 nl_dump_line(p,
"\tHard: %d\n", sa->hard);
655static void xfrm_sa_dump_stats(
struct nl_object *a,
struct nl_dump_params *p)
657 struct xfrmnl_sa* sa = (
struct xfrmnl_sa*)a;
659 nl_dump_line(p,
"\tstats: \n");
660 nl_dump_line(p,
"\t\treplay window: %u replay: %u integrity failed: %u \n",
661 sa->stats.replay_window, sa->stats.replay, sa->stats.integrity_failed);
666static void xfrm_sa_dump_details(
struct nl_object *a,
struct nl_dump_params *p)
668 xfrm_sa_dump_line(a, p);
669 xfrm_sa_dump_stats (a, p);
677struct xfrmnl_sa* xfrmnl_sa_alloc(
void)
682void xfrmnl_sa_put(
struct xfrmnl_sa* sa)
704int xfrmnl_sa_alloc_cache(
struct nl_sock *sock,
struct nl_cache **result)
717struct xfrmnl_sa* xfrmnl_sa_get(
struct nl_cache* cache,
struct nl_addr* daddr,
718 unsigned int spi,
unsigned int proto)
720 struct xfrmnl_sa *sa;
727 if (sa->id.proto == proto &&
744static struct nla_policy xfrm_sa_policy[XFRMA_MAX+1] = {
745 [XFRMA_SA] = { .
minlen =
sizeof(
struct xfrm_usersa_info)},
746 [XFRMA_ALG_AUTH_TRUNC] = { .minlen =
sizeof(
struct xfrm_algo_auth)},
747 [XFRMA_ALG_AEAD] = { .minlen =
sizeof(
struct xfrm_algo_aead) },
748 [XFRMA_ALG_AUTH] = { .minlen =
sizeof(
struct xfrm_algo) },
749 [XFRMA_ALG_CRYPT] = { .minlen =
sizeof(
struct xfrm_algo) },
750 [XFRMA_ALG_COMP] = { .minlen =
sizeof(
struct xfrm_algo) },
751 [XFRMA_ENCAP] = { .minlen =
sizeof(
struct xfrm_encap_tmpl) },
752 [XFRMA_TMPL] = { .minlen =
sizeof(
struct xfrm_user_tmpl) },
753 [XFRMA_SEC_CTX] = { .minlen =
sizeof(
struct xfrm_sec_ctx) },
754 [XFRMA_LTIME_VAL] = { .minlen =
sizeof(
struct xfrm_lifetime_cur) },
755 [XFRMA_REPLAY_VAL] = { .minlen =
sizeof(
struct xfrm_replay_state) },
756 [XFRMA_OFFLOAD_DEV] = { .minlen =
sizeof(
struct xfrm_user_offload) },
757 [XFRMA_REPLAY_THRESH] = { .type =
NLA_U32 },
758 [XFRMA_ETIMER_THRESH] = { .type =
NLA_U32 },
759 [XFRMA_SRCADDR] = { .minlen =
sizeof(xfrm_address_t) },
760 [XFRMA_COADDR] = { .minlen =
sizeof(xfrm_address_t) },
761 [XFRMA_MARK] = { .minlen =
sizeof(
struct xfrm_mark) },
762 [XFRMA_TFCPAD] = { .type =
NLA_U32 },
763 [XFRMA_REPLAY_ESN_VAL] = { .minlen =
sizeof(
struct xfrm_replay_state_esn) },
766static int xfrm_sa_request_update(
struct nl_cache *c,
struct nl_sock *h)
771int xfrmnl_sa_parse(
struct nlmsghdr *n,
struct xfrmnl_sa **result)
773 struct xfrmnl_sa* sa;
774 struct nlattr *tb[XFRMA_MAX + 1];
775 struct xfrm_usersa_info* sa_info;
776 struct xfrm_user_expire* ue;
778 struct nl_addr* addr;
780 sa = xfrmnl_sa_alloc();
786 sa->ce_msgtype = n->nlmsg_type;
787 if (n->nlmsg_type == XFRM_MSG_EXPIRE)
790 sa_info = &ue->state;
792 sa->ce_mask |= XFRM_SA_ATTR_EXPIRE;
794 else if (n->nlmsg_type == XFRM_MSG_DELSA)
796 sa_info = (
struct xfrm_usersa_info*)((
char *)
nlmsg_data(n) +
sizeof (
struct xfrm_usersa_id) + NLA_HDRLEN);
803 err =
nlmsg_parse(n,
sizeof(
struct xfrm_usersa_info), tb, XFRMA_MAX, xfrm_sa_policy);
807 if (sa_info->sel.family == AF_INET)
808 addr =
nl_addr_build (sa_info->sel.family, &sa_info->sel.daddr.a4, sizeof (sa_info->sel.daddr.a4));
810 addr =
nl_addr_build (sa_info->sel.family, &sa_info->sel.daddr.a6, sizeof (sa_info->sel.daddr.a6));
812 xfrmnl_sel_set_daddr (sa->sel, addr);
815 xfrmnl_sel_set_prefixlen_d (sa->sel, sa_info->sel.prefixlen_d);
817 if (sa_info->sel.family == AF_INET)
818 addr =
nl_addr_build (sa_info->sel.family, &sa_info->sel.saddr.a4, sizeof (sa_info->sel.saddr.a4));
820 addr =
nl_addr_build (sa_info->sel.family, &sa_info->sel.saddr.a6, sizeof (sa_info->sel.saddr.a6));
822 xfrmnl_sel_set_saddr (sa->sel, addr);
825 xfrmnl_sel_set_prefixlen_s (sa->sel, sa_info->sel.prefixlen_s);
827 xfrmnl_sel_set_dport (sa->sel, ntohs(sa_info->sel.dport));
828 xfrmnl_sel_set_dportmask (sa->sel, ntohs(sa_info->sel.dport_mask));
829 xfrmnl_sel_set_sport (sa->sel, ntohs(sa_info->sel.sport));
830 xfrmnl_sel_set_sportmask (sa->sel, ntohs(sa_info->sel.sport_mask));
831 xfrmnl_sel_set_family (sa->sel, sa_info->sel.family);
832 xfrmnl_sel_set_proto (sa->sel, sa_info->sel.proto);
833 xfrmnl_sel_set_ifindex (sa->sel, sa_info->sel.ifindex);
834 xfrmnl_sel_set_userid (sa->sel, sa_info->sel.user);
835 sa->ce_mask |= XFRM_SA_ATTR_SEL;
837 if (sa_info->family == AF_INET)
838 sa->id.daddr =
nl_addr_build (sa_info->family, &sa_info->id.daddr.a4, sizeof (sa_info->id.daddr.a4));
840 sa->id.daddr =
nl_addr_build (sa_info->family, &sa_info->id.daddr.a6, sizeof (sa_info->id.daddr.a6));
841 sa->id.spi = ntohl(sa_info->id.spi);
842 sa->id.proto = sa_info->id.proto;
843 sa->ce_mask |= (XFRM_SA_ATTR_DADDR | XFRM_SA_ATTR_SPI | XFRM_SA_ATTR_PROTO);
845 if (sa_info->family == AF_INET)
846 sa->saddr =
nl_addr_build (sa_info->family, &sa_info->saddr.a4, sizeof (sa_info->saddr.a4));
848 sa->saddr =
nl_addr_build (sa_info->family, &sa_info->saddr.a6, sizeof (sa_info->saddr.a6));
849 sa->ce_mask |= XFRM_SA_ATTR_SADDR;
851 sa->lft->soft_byte_limit = sa_info->lft.soft_byte_limit;
852 sa->lft->hard_byte_limit = sa_info->lft.hard_byte_limit;
853 sa->lft->soft_packet_limit = sa_info->lft.soft_packet_limit;
854 sa->lft->hard_packet_limit = sa_info->lft.hard_packet_limit;
855 sa->lft->soft_add_expires_seconds = sa_info->lft.soft_add_expires_seconds;
856 sa->lft->hard_add_expires_seconds = sa_info->lft.hard_add_expires_seconds;
857 sa->lft->soft_use_expires_seconds = sa_info->lft.soft_use_expires_seconds;
858 sa->lft->hard_use_expires_seconds = sa_info->lft.hard_use_expires_seconds;
859 sa->ce_mask |= XFRM_SA_ATTR_LTIME_CFG;
861 sa->curlft.bytes = sa_info->curlft.bytes;
862 sa->curlft.packets = sa_info->curlft.packets;
863 sa->curlft.add_time = sa_info->curlft.add_time;
864 sa->curlft.use_time = sa_info->curlft.use_time;
865 sa->ce_mask |= XFRM_SA_ATTR_LTIME_CUR;
867 sa->stats.replay_window = sa_info->stats.replay_window;
868 sa->stats.replay = sa_info->stats.replay;
869 sa->stats.integrity_failed = sa_info->stats.integrity_failed;
870 sa->ce_mask |= XFRM_SA_ATTR_STATS;
872 sa->seq = sa_info->seq;
873 sa->reqid = sa_info->reqid;
874 sa->family = sa_info->family;
875 sa->mode = sa_info->mode;
876 sa->replay_window = sa_info->replay_window;
877 sa->flags = sa_info->flags;
878 sa->ce_mask |= (XFRM_SA_ATTR_SEQ | XFRM_SA_ATTR_REQID |
879 XFRM_SA_ATTR_FAMILY | XFRM_SA_ATTR_MODE |
880 XFRM_SA_ATTR_REPLAY_WIN | XFRM_SA_ATTR_FLAGS);
882 if (tb[XFRMA_ALG_AEAD]) {
883 struct xfrm_algo_aead* aead =
nla_data(tb[XFRMA_ALG_AEAD]);
884 len =
sizeof (
struct xfrmnl_algo_aead) + ((aead->alg_key_len + 7) / 8);
885 if ((sa->aead = calloc (1, len)) == NULL)
890 memcpy ((
void *)sa->aead, (
void *)aead, len);
891 sa->ce_mask |= XFRM_SA_ATTR_ALG_AEAD;
894 if (tb[XFRMA_ALG_AUTH_TRUNC]) {
895 struct xfrm_algo_auth* auth =
nla_data(tb[XFRMA_ALG_AUTH_TRUNC]);
896 len =
sizeof (
struct xfrmnl_algo_auth) + ((auth->alg_key_len + 7) / 8);
897 if ((sa->auth = calloc (1, len)) == NULL)
902 memcpy ((
void *)sa->auth, (
void *)auth, len);
903 sa->ce_mask |= XFRM_SA_ATTR_ALG_AUTH;
906 if (tb[XFRMA_ALG_AUTH] && !sa->auth) {
907 struct xfrm_algo* auth =
nla_data(tb[XFRMA_ALG_AUTH]);
908 len =
sizeof (
struct xfrmnl_algo_auth) + ((auth->alg_key_len + 7) / 8);
909 if ((sa->auth = calloc (1, len)) == NULL)
914 strcpy(sa->auth->alg_name, auth->alg_name);
915 memcpy(sa->auth->alg_key, auth->alg_key, (auth->alg_key_len + 7) / 8);
916 sa->auth->alg_key_len = auth->alg_key_len;
917 sa->ce_mask |= XFRM_SA_ATTR_ALG_AUTH;
920 if (tb[XFRMA_ALG_CRYPT]) {
921 struct xfrm_algo* crypt =
nla_data(tb[XFRMA_ALG_CRYPT]);
922 len =
sizeof (
struct xfrmnl_algo) + ((crypt->alg_key_len + 7) / 8);
923 if ((sa->crypt = calloc (1, len)) == NULL)
928 memcpy ((
void *)sa->crypt, (
void *)crypt, len);
929 sa->ce_mask |= XFRM_SA_ATTR_ALG_CRYPT;
932 if (tb[XFRMA_ALG_COMP]) {
933 struct xfrm_algo* comp =
nla_data(tb[XFRMA_ALG_COMP]);
934 len =
sizeof (
struct xfrmnl_algo) + ((comp->alg_key_len + 7) / 8);
935 if ((sa->comp = calloc (1, len)) == NULL)
940 memcpy ((
void *)sa->comp, (
void *)comp, len);
941 sa->ce_mask |= XFRM_SA_ATTR_ALG_COMP;
944 if (tb[XFRMA_ENCAP]) {
945 struct xfrm_encap_tmpl* encap =
nla_data(tb[XFRMA_ENCAP]);
946 len =
sizeof (
struct xfrmnl_encap_tmpl);
947 if ((sa->encap = calloc (1, len)) == NULL)
952 sa->encap->encap_type = encap->encap_type;
953 sa->encap->encap_sport = ntohs(encap->encap_sport);
954 sa->encap->encap_dport = ntohs(encap->encap_dport);
955 if (sa_info->family == AF_INET)
956 sa->encap->encap_oa =
nl_addr_build (sa_info->family, &encap->encap_oa.a4, sizeof (encap->encap_oa.a4));
958 sa->encap->encap_oa =
nl_addr_build (sa_info->family, &encap->encap_oa.a6, sizeof (encap->encap_oa.a6));
959 sa->ce_mask |= XFRM_SA_ATTR_ENCAP;
962 if (tb[XFRMA_TFCPAD]) {
963 sa->tfcpad = *(uint32_t*)
nla_data(tb[XFRMA_TFCPAD]);
964 sa->ce_mask |= XFRM_SA_ATTR_TFCPAD;
967 if (tb[XFRMA_COADDR]) {
968 if (sa_info->family == AF_INET)
976 sizeof (uint32_t) * 4);
978 sa->ce_mask |= XFRM_SA_ATTR_COADDR;
981 if (tb[XFRMA_MARK]) {
982 struct xfrm_mark* m =
nla_data(tb[XFRMA_MARK]);
985 sa->ce_mask |= XFRM_SA_ATTR_MARK;
988 if (tb[XFRMA_SEC_CTX]) {
989 struct xfrm_user_sec_ctx* sec_ctx =
nla_data(tb[XFRMA_SEC_CTX]);
991 if ((sa->sec_ctx = calloc (1, len)) == NULL)
996 memcpy (sa->sec_ctx, sec_ctx, len);
997 sa->ce_mask |= XFRM_SA_ATTR_SECCTX;
1000 if (tb[XFRMA_ETIMER_THRESH]) {
1001 sa->replay_maxage = *(uint32_t*)
nla_data(tb[XFRMA_ETIMER_THRESH]);
1002 sa->ce_mask |= XFRM_SA_ATTR_REPLAY_MAXAGE;
1005 if (tb[XFRMA_REPLAY_THRESH]) {
1006 sa->replay_maxdiff = *(uint32_t*)
nla_data(tb[XFRMA_REPLAY_THRESH]);
1007 sa->ce_mask |= XFRM_SA_ATTR_REPLAY_MAXDIFF;
1010 if (tb[XFRMA_REPLAY_ESN_VAL]) {
1011 struct xfrm_replay_state_esn* esn =
nla_data (tb[XFRMA_REPLAY_ESN_VAL]);
1013 if ((sa->replay_state_esn = calloc (1, len)) == NULL)
1018 memcpy ((
void *)sa->replay_state_esn, (
void *)esn, len);
1019 sa->ce_mask |= XFRM_SA_ATTR_REPLAY_STATE;
1021 else if (tb[XFRMA_REPLAY_VAL])
1023 struct xfrm_replay_state* replay_state =
nla_data (tb[XFRMA_REPLAY_VAL]);
1024 sa->replay_state.oseq = replay_state->oseq;
1025 sa->replay_state.seq = replay_state->seq;
1026 sa->replay_state.bitmap = replay_state->bitmap;
1027 sa->ce_mask |= XFRM_SA_ATTR_REPLAY_STATE;
1028 sa->replay_state_esn = NULL;
1031 if (tb[XFRMA_OFFLOAD_DEV]) {
1032 struct xfrm_user_offload *offload;
1034 len =
sizeof(
struct xfrmnl_user_offload);
1036 if ((sa->user_offload = calloc(1, len)) == NULL) {
1041 offload =
nla_data(tb[XFRMA_OFFLOAD_DEV]);
1042 sa->user_offload->ifindex = offload->ifindex;
1043 sa->user_offload->flags = offload->flags;
1044 sa->ce_mask |= XFRM_SA_ATTR_OFFLOAD_DEV;
1055static int xfrm_sa_update_cache (
struct nl_cache *cache,
struct nl_object *obj,
1056 change_func_t change_cb, change_func_v2_t change_cb_v2,
1059 struct nl_object* old_sa;
1060 struct xfrmnl_sa* sa = (
struct xfrmnl_sa*)obj;
1091 change_cb_v2(cache, NULL, obj, 0, NL_ACT_NEW, data);
1093 change_cb(cache, obj, NL_ACT_NEW, data);
1098 if (change_cb || change_cb_v2)
1105 change_cb_v2(cache, old_sa, obj, diff, NL_ACT_CHANGE, data);
1106 }
else if (change_cb)
1107 change_cb(cache, obj, NL_ACT_CHANGE, data);
1117 change_cb_v2(cache, obj, NULL, 0, NL_ACT_DEL, data);
1119 change_cb (cache, obj, NL_ACT_DEL, data);
1131 return nl_cache_include_v2(cache, obj, change_cb_v2, data);
1133 return nl_cache_include (cache, obj, change_cb, data);
1137static int xfrm_sa_msg_parser(
struct nl_cache_ops *ops,
struct sockaddr_nl *who,
1138 struct nlmsghdr *n,
struct nl_parser_param *pp)
1140 struct xfrmnl_sa* sa;
1143 if ((err = xfrmnl_sa_parse(n, &sa)) < 0)
1146 err = pp->pp_cb((
struct nl_object *) sa, pp);
1157int 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)
1160 struct xfrm_usersa_id sa_id;
1161 struct xfrm_mark mark;
1165 fprintf(stderr,
"APPLICATION BUG: %s:%d:%s: A valid destination address, spi must be specified\n",
1166 __FILE__, __LINE__, __func__);
1168 return -NLE_MISSING_ATTR;
1171 memset(&sa_id, 0,
sizeof(sa_id));
1174 sa_id.spi = htonl(spi);
1175 sa_id.proto = protocol;
1180 if (
nlmsg_append(msg, &sa_id,
sizeof(sa_id), NLMSG_ALIGNTO) < 0)
1181 goto nla_put_failure;
1183 if ((mark_m & mark_v) != 0)
1185 memset(&mark, 0,
sizeof(
struct xfrm_mark));
1189 NLA_PUT (msg, XFRMA_MARK,
sizeof (
struct xfrm_mark), &mark);
1197 return -NLE_MSGSIZE;
1200int 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)
1202 struct nl_msg *msg = NULL;
1203 struct nl_object *obj;
1206 if ((err = xfrmnl_sa_build_get_request(daddr, spi, protocol, mark_m, mark_v, &msg)) < 0)
1214 if ((err =
nl_pickup(sock, &xfrm_sa_msg_parser, &obj)) < 0)
1218 *result = (
struct xfrmnl_sa *) obj;
1221 if (err == 0 && obj)
1229static int build_xfrm_sa_message(
struct xfrmnl_sa *tmpl,
int cmd,
int flags,
struct nl_msg **result)
1232 struct xfrm_usersa_info sa_info;
1234 struct nl_addr* addr;
1236 if (!(tmpl->ce_mask & XFRM_SA_ATTR_DADDR) ||
1237 !(tmpl->ce_mask & XFRM_SA_ATTR_SPI) ||
1238 !(tmpl->ce_mask & XFRM_SA_ATTR_PROTO))
1239 return -NLE_MISSING_ATTR;
1241 memset ((
void*)&sa_info, 0,
sizeof (sa_info));
1242 if (tmpl->ce_mask & XFRM_SA_ATTR_SEL)
1244 addr = xfrmnl_sel_get_daddr (tmpl->sel);
1246 addr = xfrmnl_sel_get_saddr (tmpl->sel);
1248 sa_info.sel.dport = htons (xfrmnl_sel_get_dport (tmpl->sel));
1249 sa_info.sel.dport_mask = htons (xfrmnl_sel_get_dportmask (tmpl->sel));
1250 sa_info.sel.sport = htons (xfrmnl_sel_get_sport (tmpl->sel));
1251 sa_info.sel.sport_mask = htons (xfrmnl_sel_get_sportmask (tmpl->sel));
1252 sa_info.sel.family = xfrmnl_sel_get_family (tmpl->sel);
1253 sa_info.sel.prefixlen_d = xfrmnl_sel_get_prefixlen_d (tmpl->sel);
1254 sa_info.sel.prefixlen_s = xfrmnl_sel_get_prefixlen_s (tmpl->sel);
1255 sa_info.sel.proto = xfrmnl_sel_get_proto (tmpl->sel);
1256 sa_info.sel.ifindex = xfrmnl_sel_get_ifindex (tmpl->sel);
1257 sa_info.sel.user = xfrmnl_sel_get_userid (tmpl->sel);
1261 sa_info.id.spi = htonl(tmpl->id.spi);
1262 sa_info.id.proto = tmpl->id.proto;
1264 if (tmpl->ce_mask & XFRM_SA_ATTR_SADDR)
1267 if (tmpl->ce_mask & XFRM_SA_ATTR_LTIME_CFG)
1269 sa_info.lft.soft_byte_limit = xfrmnl_ltime_cfg_get_soft_bytelimit (tmpl->lft);
1270 sa_info.lft.hard_byte_limit = xfrmnl_ltime_cfg_get_hard_bytelimit (tmpl->lft);
1271 sa_info.lft.soft_packet_limit = xfrmnl_ltime_cfg_get_soft_packetlimit (tmpl->lft);
1272 sa_info.lft.hard_packet_limit = xfrmnl_ltime_cfg_get_hard_packetlimit (tmpl->lft);
1273 sa_info.lft.soft_add_expires_seconds = xfrmnl_ltime_cfg_get_soft_addexpires (tmpl->lft);
1274 sa_info.lft.hard_add_expires_seconds = xfrmnl_ltime_cfg_get_hard_addexpires (tmpl->lft);
1275 sa_info.lft.soft_use_expires_seconds = xfrmnl_ltime_cfg_get_soft_useexpires (tmpl->lft);
1276 sa_info.lft.hard_use_expires_seconds = xfrmnl_ltime_cfg_get_hard_useexpires (tmpl->lft);
1283 if (tmpl->ce_mask & XFRM_SA_ATTR_REQID)
1284 sa_info.reqid = tmpl->reqid;
1286 if (tmpl->ce_mask & XFRM_SA_ATTR_FAMILY)
1287 sa_info.family = tmpl->family;
1289 if (tmpl->ce_mask & XFRM_SA_ATTR_MODE)
1290 sa_info.mode = tmpl->mode;
1292 if (tmpl->ce_mask & XFRM_SA_ATTR_REPLAY_WIN)
1293 sa_info.replay_window = tmpl->replay_window;
1295 if (tmpl->ce_mask & XFRM_SA_ATTR_FLAGS)
1296 sa_info.flags = tmpl->flags;
1302 if (
nlmsg_append(msg, &sa_info,
sizeof(sa_info), NLMSG_ALIGNTO) < 0)
1303 goto nla_put_failure;
1305 if (tmpl->ce_mask & XFRM_SA_ATTR_ALG_AEAD) {
1306 len =
sizeof (
struct xfrm_algo_aead) + ((tmpl->aead->alg_key_len + 7) / 8);
1307 NLA_PUT (msg, XFRMA_ALG_AEAD, len, tmpl->aead);
1310 if (tmpl->ce_mask & XFRM_SA_ATTR_ALG_AUTH) {
1313 if (tmpl->auth->alg_trunc_len) {
1314 len =
sizeof (
struct xfrm_algo_auth) + ((tmpl->auth->alg_key_len + 7) / 8);
1315 NLA_PUT (msg, XFRMA_ALG_AUTH_TRUNC, len, tmpl->auth);
1317 struct xfrm_algo *auth;
1319 len =
sizeof (
struct xfrm_algo) + ((tmpl->auth->alg_key_len + 7) / 8);
1326 _nl_strncpy_assert(auth->alg_name, tmpl->auth->alg_name,
sizeof(auth->alg_name));
1327 auth->alg_key_len = tmpl->auth->alg_key_len;
1328 memcpy(auth->alg_key, tmpl->auth->alg_key, (tmpl->auth->alg_key_len + 7) / 8);
1329 if (
nla_put(msg, XFRMA_ALG_AUTH, len, auth) < 0) {
1331 goto nla_put_failure;
1337 if (tmpl->ce_mask & XFRM_SA_ATTR_ALG_CRYPT) {
1338 len =
sizeof (
struct xfrm_algo) + ((tmpl->crypt->alg_key_len + 7) / 8);
1339 NLA_PUT (msg, XFRMA_ALG_CRYPT, len, tmpl->crypt);
1342 if (tmpl->ce_mask & XFRM_SA_ATTR_ALG_COMP) {
1343 len =
sizeof (
struct xfrm_algo) + ((tmpl->comp->alg_key_len + 7) / 8);
1344 NLA_PUT (msg, XFRMA_ALG_COMP, len, tmpl->comp);
1347 if (tmpl->ce_mask & XFRM_SA_ATTR_ENCAP) {
1348 struct xfrm_encap_tmpl* encap_tmpl;
1349 struct nlattr* encap_attr;
1351 len =
sizeof (
struct xfrm_encap_tmpl);
1354 goto nla_put_failure;
1355 encap_tmpl =
nla_data (encap_attr);
1356 encap_tmpl->encap_type = tmpl->encap->encap_type;
1357 encap_tmpl->encap_sport = htons (tmpl->encap->encap_sport);
1358 encap_tmpl->encap_dport = htons (tmpl->encap->encap_dport);
1362 if (tmpl->ce_mask & XFRM_SA_ATTR_TFCPAD) {
1366 if (tmpl->ce_mask & XFRM_SA_ATTR_COADDR) {
1367 NLA_PUT (msg, XFRMA_COADDR,
sizeof (xfrm_address_t), tmpl->coaddr);
1370 if (tmpl->ce_mask & XFRM_SA_ATTR_MARK) {
1371 NLA_PUT (msg, XFRMA_MARK,
sizeof (
struct xfrm_mark), &tmpl->mark);
1374 if (tmpl->ce_mask & XFRM_SA_ATTR_SECCTX) {
1375 len =
sizeof (
struct xfrm_sec_ctx) + tmpl->sec_ctx->ctx_len;
1376 NLA_PUT (msg, XFRMA_SEC_CTX, len, tmpl->sec_ctx);
1379 if (tmpl->ce_mask & XFRM_SA_ATTR_REPLAY_MAXAGE) {
1380 NLA_PUT_U32 (msg, XFRMA_ETIMER_THRESH, tmpl->replay_maxage);
1383 if (tmpl->ce_mask & XFRM_SA_ATTR_REPLAY_MAXDIFF) {
1384 NLA_PUT_U32 (msg, XFRMA_REPLAY_THRESH, tmpl->replay_maxdiff);
1387 if (tmpl->ce_mask & XFRM_SA_ATTR_REPLAY_STATE) {
1388 if (tmpl->replay_state_esn) {
1389 len =
sizeof (
struct xfrm_replay_state_esn) + (sizeof (uint32_t) * tmpl->replay_state_esn->bmp_len);
1390 NLA_PUT (msg, XFRMA_REPLAY_ESN_VAL, len, tmpl->replay_state_esn);
1393 NLA_PUT (msg, XFRMA_REPLAY_VAL,
sizeof (
struct xfrm_replay_state), &tmpl->replay_state);
1397 if (tmpl->ce_mask & XFRM_SA_ATTR_OFFLOAD_DEV) {
1398 struct xfrm_user_offload *offload;
1399 struct nlattr *attr;
1401 len =
sizeof(
struct xfrm_user_offload);
1405 goto nla_put_failure;
1408 offload->ifindex = tmpl->user_offload->ifindex;
1409 offload->flags = tmpl->user_offload->flags;
1417 return -NLE_MSGSIZE;
1425int xfrmnl_sa_build_add_request(
struct xfrmnl_sa* tmpl,
int flags,
struct nl_msg **result)
1427 return build_xfrm_sa_message (tmpl, XFRM_MSG_NEWSA, flags, result);
1430int xfrmnl_sa_add(
struct nl_sock* sk,
struct xfrmnl_sa* tmpl,
int flags)
1435 if ((err = xfrmnl_sa_build_add_request(tmpl, flags, &msg)) < 0)
1451int xfrmnl_sa_build_update_request(
struct xfrmnl_sa* tmpl,
int flags,
struct nl_msg **result)
1453 return build_xfrm_sa_message (tmpl, XFRM_MSG_UPDSA, flags, result);
1456int xfrmnl_sa_update(
struct nl_sock* sk,
struct xfrmnl_sa* tmpl,
int flags)
1461 if ((err = xfrmnl_sa_build_update_request(tmpl, flags, &msg)) < 0)
1474static int build_xfrm_sa_delete_message(
struct xfrmnl_sa *tmpl,
int cmd,
int flags,
struct nl_msg **result)
1477 struct xfrm_usersa_id sa_id;
1479 if (!(tmpl->ce_mask & XFRM_SA_ATTR_DADDR) ||
1480 !(tmpl->ce_mask & XFRM_SA_ATTR_SPI) ||
1481 !(tmpl->ce_mask & XFRM_SA_ATTR_PROTO))
1482 return -NLE_MISSING_ATTR;
1484 memset(&sa_id, 0,
sizeof(
struct xfrm_usersa_id));
1488 sa_id.spi = htonl(tmpl->id.spi);
1489 sa_id.proto = tmpl->id.proto;
1495 if (
nlmsg_append(msg, &sa_id,
sizeof(sa_id), NLMSG_ALIGNTO) < 0)
1496 goto nla_put_failure;
1498 if (tmpl->ce_mask & XFRM_SA_ATTR_MARK) {
1499 NLA_PUT (msg, XFRMA_MARK,
sizeof (
struct xfrm_mark), &tmpl->mark);
1507 return -NLE_MSGSIZE;
1515int xfrmnl_sa_build_delete_request(
struct xfrmnl_sa* tmpl,
int flags,
struct nl_msg **result)
1517 return build_xfrm_sa_delete_message (tmpl, XFRM_MSG_DELSA, flags, result);
1520int xfrmnl_sa_delete(
struct nl_sock* sk,
struct xfrmnl_sa* tmpl,
int flags)
1525 if ((err = xfrmnl_sa_build_delete_request(tmpl, flags, &msg)) < 0)
1544struct xfrmnl_sel* xfrmnl_sa_get_sel (
struct xfrmnl_sa* sa)
1546 if (sa->ce_mask & XFRM_SA_ATTR_SEL)
1552int xfrmnl_sa_set_sel (
struct xfrmnl_sa* sa,
struct xfrmnl_sel* sel)
1556 xfrmnl_sel_put (sa->sel);
1559 xfrmnl_sel_get (sel);
1561 sa->ce_mask |= XFRM_SA_ATTR_SEL;
1566static inline int __assign_addr(
struct xfrmnl_sa* sa,
struct nl_addr **pos,
1567 struct nl_addr *
new,
int flag,
int nocheck)
1571 if (sa->ce_mask & XFRM_SA_ATTR_FAMILY)
1574 return -NLE_AF_MISMATCH;
1584 sa->ce_mask |= flag;
1590struct nl_addr* xfrmnl_sa_get_daddr (
struct xfrmnl_sa* sa)
1592 if (sa->ce_mask & XFRM_SA_ATTR_DADDR)
1593 return sa->id.daddr;
1598int xfrmnl_sa_set_daddr (
struct xfrmnl_sa* sa,
struct nl_addr* addr)
1600 return __assign_addr(sa, &sa->id.daddr, addr, XFRM_SA_ATTR_DADDR, 0);
1603int xfrmnl_sa_get_spi (
struct xfrmnl_sa* sa)
1605 if (sa->ce_mask & XFRM_SA_ATTR_SPI)
1611int xfrmnl_sa_set_spi (
struct xfrmnl_sa* sa,
unsigned int spi)
1614 sa->ce_mask |= XFRM_SA_ATTR_SPI;
1619int xfrmnl_sa_get_proto (
struct xfrmnl_sa* sa)
1621 if (sa->ce_mask & XFRM_SA_ATTR_PROTO)
1622 return sa->id.proto;
1627int xfrmnl_sa_set_proto (
struct xfrmnl_sa* sa,
unsigned int protocol)
1629 sa->id.proto = protocol;
1630 sa->ce_mask |= XFRM_SA_ATTR_PROTO;
1635struct nl_addr* xfrmnl_sa_get_saddr (
struct xfrmnl_sa* sa)
1637 if (sa->ce_mask & XFRM_SA_ATTR_SADDR)
1643int xfrmnl_sa_set_saddr (
struct xfrmnl_sa* sa,
struct nl_addr* addr)
1645 return __assign_addr(sa, &sa->saddr, addr, XFRM_SA_ATTR_SADDR, 1);
1650 if (sa->ce_mask & XFRM_SA_ATTR_LTIME_CFG)
1656int xfrmnl_sa_set_lifetime_cfg (
struct xfrmnl_sa* sa,
struct xfrmnl_ltime_cfg* ltime)
1660 xfrmnl_ltime_cfg_put (sa->lft);
1663 xfrmnl_ltime_cfg_get (ltime);
1665 sa->ce_mask |= XFRM_SA_ATTR_LTIME_CFG;
1670int xfrmnl_sa_get_curlifetime (
struct xfrmnl_sa* sa,
unsigned long long int* curr_bytes,
1671 unsigned long long int* curr_packets,
unsigned long long int* curr_add_time,
unsigned long long int* curr_use_time)
1673 if (sa == NULL || curr_bytes == NULL || curr_packets == NULL || curr_add_time == NULL || curr_use_time == NULL)
1676 if (sa->ce_mask & XFRM_SA_ATTR_LTIME_CUR)
1678 *curr_bytes = sa->curlft.bytes;
1679 *curr_packets = sa->curlft.packets;
1680 *curr_add_time = sa->curlft.add_time;
1681 *curr_use_time = sa->curlft.use_time;
1689int xfrmnl_sa_get_stats (
struct xfrmnl_sa* sa,
unsigned long long int* replay_window,
1690 unsigned long long int* replay,
unsigned long long int* integrity_failed)
1692 if (sa == NULL || replay_window == NULL || replay == NULL || integrity_failed == NULL)
1695 if (sa->ce_mask & XFRM_SA_ATTR_STATS)
1697 *replay_window = sa->stats.replay_window;
1698 *replay = sa->stats.replay;
1699 *integrity_failed = sa->stats.integrity_failed;
1707int xfrmnl_sa_get_seq (
struct xfrmnl_sa* sa)
1709 if (sa->ce_mask & XFRM_SA_ATTR_SEQ)
1715int xfrmnl_sa_get_reqid (
struct xfrmnl_sa* sa)
1717 if (sa->ce_mask & XFRM_SA_ATTR_REQID)
1723int xfrmnl_sa_set_reqid (
struct xfrmnl_sa* sa,
unsigned int reqid)
1726 sa->ce_mask |= XFRM_SA_ATTR_REQID;
1731int xfrmnl_sa_get_family (
struct xfrmnl_sa* sa)
1733 if (sa->ce_mask & XFRM_SA_ATTR_FAMILY)
1739int xfrmnl_sa_set_family (
struct xfrmnl_sa* sa,
unsigned int family)
1741 sa->family = family;
1742 sa->ce_mask |= XFRM_SA_ATTR_FAMILY;
1747int xfrmnl_sa_get_mode (
struct xfrmnl_sa* sa)
1749 if (sa->ce_mask & XFRM_SA_ATTR_MODE)
1755int xfrmnl_sa_set_mode (
struct xfrmnl_sa* sa,
unsigned int mode)
1758 sa->ce_mask |= XFRM_SA_ATTR_MODE;
1763int xfrmnl_sa_get_replay_window (
struct xfrmnl_sa* sa)
1765 if (sa->ce_mask & XFRM_SA_ATTR_REPLAY_WIN)
1766 return sa->replay_window;
1771int xfrmnl_sa_set_replay_window (
struct xfrmnl_sa* sa,
unsigned int replay_window)
1773 sa->replay_window = replay_window;
1774 sa->ce_mask |= XFRM_SA_ATTR_REPLAY_WIN;
1779int xfrmnl_sa_get_flags (
struct xfrmnl_sa* sa)
1781 if (sa->ce_mask & XFRM_SA_ATTR_FLAGS)
1787int xfrmnl_sa_set_flags (
struct xfrmnl_sa* sa,
unsigned int flags)
1790 sa->ce_mask |= XFRM_SA_ATTR_FLAGS;
1811int xfrmnl_sa_get_aead_params (
struct xfrmnl_sa* sa,
char* alg_name,
unsigned int* key_len,
unsigned int* icv_len,
char* key)
1813 if (sa->ce_mask & XFRM_SA_ATTR_ALG_AEAD)
1816 strcpy (alg_name, sa->aead->alg_name);
1818 *key_len = sa->aead->alg_key_len;
1820 *icv_len = sa->aead->alg_icv_len;
1822 memcpy (key, sa->aead->alg_key, ((sa->aead->alg_key_len + 7)/8));
1830int xfrmnl_sa_set_aead_params (
struct xfrmnl_sa* sa,
const char* alg_name,
unsigned int key_len,
unsigned int icv_len,
const char* key)
1832 _nl_auto_free
struct xfrmnl_algo_aead *b = NULL;
1833 size_t keysize =
sizeof (uint8_t) * ((key_len + 7)/8);
1834 uint32_t newlen =
sizeof (
struct xfrmnl_algo_aead) + keysize;
1837 if (strlen (alg_name) >=
sizeof (sa->aead->alg_name))
1839 if (!(b = calloc (1, newlen)))
1842 strcpy (b->alg_name, alg_name);
1843 b->alg_key_len = key_len;
1844 b->alg_icv_len = icv_len;
1845 memcpy (b->alg_key, key, keysize);
1848 sa->aead = _nl_steal_pointer (&b);
1849 sa->ce_mask |= XFRM_SA_ATTR_ALG_AEAD;
1869int xfrmnl_sa_get_auth_params (
struct xfrmnl_sa* sa,
char* alg_name,
unsigned int* key_len,
unsigned int* trunc_len,
char* key)
1871 if (sa->ce_mask & XFRM_SA_ATTR_ALG_AUTH)
1874 strcpy (alg_name, sa->auth->alg_name);
1876 *key_len = sa->auth->alg_key_len;
1878 *trunc_len = sa->auth->alg_trunc_len;
1880 memcpy (key, sa->auth->alg_key, (sa->auth->alg_key_len + 7)/8);
1888int xfrmnl_sa_set_auth_params (
struct xfrmnl_sa* sa,
const char* alg_name,
unsigned int key_len,
unsigned int trunc_len,
const char* key)
1890 _nl_auto_free
struct xfrmnl_algo_auth *b = NULL;
1891 size_t keysize =
sizeof (uint8_t) * ((key_len + 7)/8);
1892 uint32_t newlen =
sizeof (
struct xfrmnl_algo_auth) + keysize;
1894 if (strlen (alg_name) >=
sizeof (sa->auth->alg_name))
1896 if (!(b = calloc (1, newlen)))
1899 strcpy (b->alg_name, alg_name);
1900 b->alg_key_len = key_len;
1901 b->alg_trunc_len = trunc_len;
1902 memcpy (b->alg_key, key, keysize);
1905 sa->auth = _nl_steal_pointer (&b);
1906 sa->ce_mask |= XFRM_SA_ATTR_ALG_AUTH;
1925int xfrmnl_sa_get_crypto_params (
struct xfrmnl_sa* sa,
char* alg_name,
unsigned int* key_len,
char* key)
1927 if (sa->ce_mask & XFRM_SA_ATTR_ALG_CRYPT)
1930 strcpy (alg_name, sa->crypt->alg_name);
1932 *key_len = sa->crypt->alg_key_len;
1934 memcpy (key, sa->crypt->alg_key, ((sa->crypt->alg_key_len + 7)/8));
1942int xfrmnl_sa_set_crypto_params (
struct xfrmnl_sa* sa,
const char* alg_name,
unsigned int key_len,
const char* key)
1944 _nl_auto_free
struct xfrmnl_algo *b = NULL;
1945 size_t keysize =
sizeof (uint8_t) * ((key_len + 7)/8);
1946 uint32_t newlen =
sizeof (
struct xfrmnl_algo) + keysize;
1948 if (strlen (alg_name) >=
sizeof (sa->crypt->alg_name))
1950 if (!(b = calloc (1, newlen)))
1953 strcpy (b->alg_name, alg_name);
1954 b->alg_key_len = key_len;
1955 memcpy (b->alg_key, key, keysize);
1958 sa->crypt = _nl_steal_pointer(&b);
1959 sa->ce_mask |= XFRM_SA_ATTR_ALG_CRYPT;
1978int xfrmnl_sa_get_comp_params (
struct xfrmnl_sa* sa,
char* alg_name,
unsigned int* key_len,
char* key)
1980 if (sa->ce_mask & XFRM_SA_ATTR_ALG_COMP)
1983 strcpy (alg_name, sa->comp->alg_name);
1985 *key_len = sa->comp->alg_key_len;
1987 memcpy (key, sa->comp->alg_key, ((sa->comp->alg_key_len + 7)/8));
1995int xfrmnl_sa_set_comp_params (
struct xfrmnl_sa* sa,
const char* alg_name,
unsigned int key_len,
const char* key)
1997 _nl_auto_free
struct xfrmnl_algo *b = NULL;
1998 size_t keysize =
sizeof (uint8_t) * ((key_len + 7)/8);
1999 uint32_t newlen =
sizeof (
struct xfrmnl_algo) + keysize;
2001 if (strlen (alg_name) >=
sizeof (sa->comp->alg_name))
2003 if (!(b = calloc (1, newlen)))
2006 strcpy (b->alg_name, alg_name);
2007 b->alg_key_len = key_len;
2008 memcpy (b->alg_key, key, keysize);
2011 sa->comp = _nl_steal_pointer(&b);
2012 sa->ce_mask |= XFRM_SA_ATTR_ALG_COMP;
2016int 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)
2018 if (sa->ce_mask & XFRM_SA_ATTR_ENCAP)
2020 *encap_type = sa->encap->encap_type;
2021 *encap_sport = sa->encap->encap_sport;
2022 *encap_dport = sa->encap->encap_dport;
2031int 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)
2035 if (sa->encap->encap_oa)
2037 memset(sa->encap, 0, sizeof (*sa->encap));
2038 }
else if ((sa->encap = calloc(1,
sizeof(*sa->encap))) == NULL)
2042 sa->encap->encap_type = encap_type;
2043 sa->encap->encap_sport = encap_sport;
2044 sa->encap->encap_dport = encap_dport;
2046 sa->encap->encap_oa = encap_oa;
2048 sa->ce_mask |= XFRM_SA_ATTR_ENCAP;
2053int xfrmnl_sa_get_tfcpad (
struct xfrmnl_sa* sa)
2055 if (sa->ce_mask & XFRM_SA_ATTR_TFCPAD)
2061int xfrmnl_sa_set_tfcpad (
struct xfrmnl_sa* sa,
unsigned int tfcpad)
2063 sa->tfcpad = tfcpad;
2064 sa->ce_mask |= XFRM_SA_ATTR_TFCPAD;
2069struct nl_addr* xfrmnl_sa_get_coaddr (
struct xfrmnl_sa* sa)
2071 if (sa->ce_mask & XFRM_SA_ATTR_COADDR)
2077int xfrmnl_sa_set_coaddr (
struct xfrmnl_sa* sa,
struct nl_addr* coaddr)
2085 sa->coaddr = coaddr;
2087 sa->ce_mask |= XFRM_SA_ATTR_COADDR;
2092int xfrmnl_sa_get_mark (
struct xfrmnl_sa* sa,
unsigned int* mark_mask,
unsigned int* mark_value)
2094 if (mark_mask == NULL || mark_value == NULL)
2097 if (sa->ce_mask & XFRM_SA_ATTR_MARK)
2099 *mark_mask = sa->mark.m;
2100 *mark_value = sa->mark.v;
2108int xfrmnl_sa_set_mark (
struct xfrmnl_sa* sa,
unsigned int value,
unsigned int mask)
2112 sa->ce_mask |= XFRM_SA_ATTR_MARK;
2136int xfrmnl_sa_get_sec_ctx (
struct xfrmnl_sa* sa,
unsigned int* doi,
unsigned int* alg,
2137 unsigned int* len,
unsigned int* sid,
char* ctx_str)
2139 if (sa->ce_mask & XFRM_SA_ATTR_SECCTX)
2142 *doi = sa->sec_ctx->ctx_doi;
2144 *alg = sa->sec_ctx->ctx_alg;
2146 *len = sa->sec_ctx->ctx_len;
2148 memcpy (ctx_str, sa->sec_ctx->ctx, sa->sec_ctx->ctx_len);
2169int xfrmnl_sa_set_sec_ctx (
struct xfrmnl_sa* sa,
unsigned int doi,
unsigned int alg,
unsigned int len,
2170 unsigned int sid,
const char* ctx_str)
2178 b->exttype = XFRMA_SEC_CTX;
2182 memcpy (b->ctx, ctx_str, len);
2186 sa->sec_ctx = _nl_steal_pointer(&b);
2187 sa->ce_mask |= XFRM_SA_ATTR_SECCTX;
2192int xfrmnl_sa_get_replay_maxage (
struct xfrmnl_sa* sa)
2194 if (sa->ce_mask & XFRM_SA_ATTR_REPLAY_MAXAGE)
2195 return sa->replay_maxage;
2200int xfrmnl_sa_set_replay_maxage (
struct xfrmnl_sa* sa,
unsigned int replay_maxage)
2202 sa->replay_maxage = replay_maxage;
2203 sa->ce_mask |= XFRM_SA_ATTR_REPLAY_MAXAGE;
2208int xfrmnl_sa_get_replay_maxdiff (
struct xfrmnl_sa* sa)
2210 if (sa->ce_mask & XFRM_SA_ATTR_REPLAY_MAXDIFF)
2211 return sa->replay_maxdiff;
2216int xfrmnl_sa_set_replay_maxdiff (
struct xfrmnl_sa* sa,
unsigned int replay_maxdiff)
2218 sa->replay_maxdiff = replay_maxdiff;
2219 sa->ce_mask |= XFRM_SA_ATTR_REPLAY_MAXDIFF;
2224int xfrmnl_sa_get_replay_state (
struct xfrmnl_sa* sa,
unsigned int* oseq,
unsigned int* seq,
unsigned int* bmp)
2226 if (sa->ce_mask & XFRM_SA_ATTR_REPLAY_STATE)
2228 if (sa->replay_state_esn == NULL)
2230 *oseq = sa->replay_state.oseq;
2231 *seq = sa->replay_state.seq;
2232 *bmp = sa->replay_state.bitmap;
2245int xfrmnl_sa_set_replay_state (
struct xfrmnl_sa* sa,
unsigned int oseq,
unsigned int seq,
unsigned int bitmap)
2247 sa->replay_state.oseq = oseq;
2248 sa->replay_state.seq = seq;
2249 sa->replay_state.bitmap = bitmap;
2250 sa->ce_mask |= XFRM_SA_ATTR_REPLAY_STATE;
2255int xfrmnl_sa_get_replay_state_esn (
struct xfrmnl_sa* sa,
unsigned int* oseq,
unsigned int* seq,
unsigned int* oseq_hi,
2256 unsigned int* seq_hi,
unsigned int* replay_window,
unsigned int* bmp_len,
unsigned int* bmp)
2258 if (sa->ce_mask & XFRM_SA_ATTR_REPLAY_STATE)
2260 if (sa->replay_state_esn)
2262 *oseq = sa->replay_state_esn->oseq;
2263 *seq = sa->replay_state_esn->seq;
2264 *oseq_hi= sa->replay_state_esn->oseq_hi;
2265 *seq_hi = sa->replay_state_esn->seq_hi;
2266 *replay_window = sa->replay_state_esn->replay_window;
2267 *bmp_len = sa->replay_state_esn->bmp_len;
2268 memcpy (bmp, sa->replay_state_esn->bmp, sa->replay_state_esn->bmp_len * sizeof (uint32_t));
2281int xfrmnl_sa_set_replay_state_esn (
struct xfrmnl_sa* sa,
unsigned int oseq,
unsigned int seq,
2282 unsigned int oseq_hi,
unsigned int seq_hi,
unsigned int replay_window,
2283 unsigned int bmp_len,
unsigned int* bmp)
2292 b->oseq_hi = oseq_hi;
2294 b->replay_window = replay_window;
2295 b->bmp_len = bmp_len;
2296 memcpy (b->bmp, bmp, bmp_len * sizeof (uint32_t));
2298 free(sa->replay_state_esn);
2299 sa->replay_state_esn = _nl_steal_pointer(&b);
2300 sa->ce_mask |= XFRM_SA_ATTR_REPLAY_STATE;
2314int xfrmnl_sa_get_user_offload(
struct xfrmnl_sa *sa,
int *ifindex, uint8_t *flags)
2318 if (sa->ce_mask & XFRM_SA_ATTR_OFFLOAD_DEV && sa->user_offload) {
2320 *ifindex = sa->user_offload->ifindex;
2322 *flags = sa->user_offload->flags;
2339int xfrmnl_sa_set_user_offload(
struct xfrmnl_sa *sa,
int ifindex, uint8_t flags)
2341 _nl_auto_free
struct xfrmnl_user_offload *b = NULL;
2343 if (!(b = calloc(1,
sizeof(*b))))
2346 b->ifindex = ifindex;
2349 free(sa->user_offload);
2350 sa->user_offload = _nl_steal_pointer(&b);
2351 sa->ce_mask |= XFRM_SA_ATTR_OFFLOAD_DEV;
2356int xfrmnl_sa_is_hardexpiry_reached (
struct xfrmnl_sa* sa)
2358 if (sa->ce_mask & XFRM_SA_ATTR_EXPIRE)
2359 return (sa->hard > 0 ? 1: 0);
2364int xfrmnl_sa_is_expiry_reached (
struct xfrmnl_sa* sa)
2366 if (sa->ce_mask & XFRM_SA_ATTR_EXPIRE)
2374static struct nl_object_ops xfrm_sa_obj_ops = {
2375 .oo_name =
"xfrm/sa",
2376 .oo_size =
sizeof(
struct xfrmnl_sa),
2377 .oo_constructor = xfrm_sa_alloc_data,
2378 .oo_free_data = xfrm_sa_free_data,
2379 .oo_clone = xfrm_sa_clone,
2385 .oo_compare = xfrm_sa_compare,
2386 .oo_attrs2str = xfrm_sa_attrs2str,
2387 .oo_id_attrs = (XFRM_SA_ATTR_DADDR | XFRM_SA_ATTR_SPI | XFRM_SA_ATTR_PROTO),
2390static struct nl_af_group xfrm_sa_groups[] = {
2391 { AF_UNSPEC, XFRMNLGRP_SA },
2392 { AF_UNSPEC, XFRMNLGRP_EXPIRE },
2393 { END_OF_GROUP_LIST },
2396static struct nl_cache_ops xfrmnl_sa_ops = {
2397 .co_name =
"xfrm/sa",
2398 .co_hdrsize =
sizeof(
struct xfrm_usersa_info),
2400 { XFRM_MSG_NEWSA, NL_ACT_NEW,
"new" },
2401 { XFRM_MSG_DELSA, NL_ACT_DEL,
"del" },
2402 { XFRM_MSG_GETSA, NL_ACT_GET,
"get" },
2403 { XFRM_MSG_EXPIRE, NL_ACT_UNSPEC,
"expire"},
2404 { XFRM_MSG_UPDSA, NL_ACT_NEW,
"update"},
2405 END_OF_MSGTYPES_LIST,
2407 .co_protocol = NETLINK_XFRM,
2408 .co_groups = xfrm_sa_groups,
2409 .co_request_update = xfrm_sa_request_update,
2410 .co_msg_parser = xfrm_sa_msg_parser,
2411 .co_obj_ops = &xfrm_sa_obj_ops,
2412 .co_include_event = &xfrm_sa_update_cache
2420static void __attribute__ ((constructor)) xfrm_sa_init(
void)
2425static void __attribute__ ((destructor)) xfrm_sa_exit(
void)
int xfrmnl_sel_cmp(struct xfrmnl_sel *a, struct xfrmnl_sel *b)
Compares two selector objects.
struct xfrmnl_ltime_cfg * xfrmnl_ltime_cfg_alloc()
Allocate new lifetime config object.
int xfrmnl_ltime_cfg_cmp(struct xfrmnl_ltime_cfg *a, struct xfrmnl_ltime_cfg *b)
Compares two lifetime config objects.
struct xfrmnl_ltime_cfg * xfrmnl_ltime_cfg_clone(struct xfrmnl_ltime_cfg *ltime)
Clone existing lifetime config object.
struct xfrmnl_sel * xfrmnl_sel_alloc()
Allocate new selector object.
struct xfrmnl_sel * xfrmnl_sel_clone(struct xfrmnl_sel *sel)
Clone existing selector object.
void nl_addr_set_prefixlen(struct nl_addr *addr, int prefixlen)
Set the prefix length of an abstract address.
struct nl_addr * nl_addr_get(struct nl_addr *addr)
Increase the reference counter of an abstract address.
struct nl_addr * nl_addr_build(int family, const void *buf, size_t size)
Allocate abstract address based on a binary address.
void * nl_addr_get_binary_addr(const struct nl_addr *addr)
Get binary address of abstract address object.
int nl_addr_cmp(const struct nl_addr *a, const struct nl_addr *b)
Compare abstract addresses.
struct nl_addr * nl_addr_clone(const struct nl_addr *addr)
Clone existing abstract address object.
int nl_addr_get_family(const struct nl_addr *addr)
Return address family.
char * nl_addr2str(const struct nl_addr *addr, char *buf, size_t size)
Convert abstract address object to character string.
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.
void * nla_data(const struct nlattr *nla)
Return pointer to the payload section.
#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.
struct nlattr * nla_reserve(struct nl_msg *msg, int attrtype, int attrlen)
Reserve space for a attribute.
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_search(struct nl_cache *cache, struct nl_object *needle)
Search object in cache.
struct nl_object * nl_cache_get_next(struct nl_object *obj)
Return the next element in the 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.
struct nl_object * nl_cache_get_first(struct nl_cache *cache)
Return the first element in the cache.
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_data(const struct nlmsghdr *nlh)
Return pointer to message payload.
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.
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.
void nl_object_get(struct nl_object *obj)
Acquire a reference on a object.
struct nl_object * nl_object_alloc(struct nl_object_ops *ops)
Allocate a new object of kind specified by the operations handle.
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.