42#include "nl-default.h"
44#include <netlink/netlink.h>
45#include <netlink/cache.h>
46#include <netlink/object.h>
47#include <netlink/xfrm/selector.h>
48#include <netlink/xfrm/lifetime.h>
49#include <netlink/xfrm/template.h>
50#include <netlink/xfrm/sp.h>
53#include "nl-priv-dynamic-core/object-api.h"
54#include "nl-priv-dynamic-core/nl-core.h"
55#include "nl-priv-dynamic-core/cache-api.h"
77 uint32_t nr_user_tmpl;
83#define XFRM_SP_ATTR_SEL 0x01
84#define XFRM_SP_ATTR_LTIME_CFG 0x02
85#define XFRM_SP_ATTR_LTIME_CUR 0x04
86#define XFRM_SP_ATTR_PRIO 0x08
87#define XFRM_SP_ATTR_INDEX 0x10
88#define XFRM_SP_ATTR_DIR 0x20
89#define XFRM_SP_ATTR_ACTION 0x40
90#define XFRM_SP_ATTR_FLAGS 0x80
91#define XFRM_SP_ATTR_SHARE 0x100
92#define XFRM_SP_ATTR_POLTYPE 0x200
93#define XFRM_SP_ATTR_SECCTX 0x400
94#define XFRM_SP_ATTR_TMPL 0x800
95#define XFRM_SP_ATTR_MARK 0x1000
97static struct nl_cache_ops xfrmnl_sp_ops;
98static struct nl_object_ops xfrm_sp_obj_ops;
101static void xfrm_sp_alloc_data(
struct nl_object *c)
103 struct xfrmnl_sp* sp = nl_object_priv (c);
111 nl_init_list_head(&sp->usertmpl_list);
116static void xfrm_sp_free_data(
struct nl_object *c)
118 struct xfrmnl_sp* sp = nl_object_priv (c);
124 xfrmnl_sel_put (sp->sel);
125 xfrmnl_ltime_cfg_put (sp->lft);
131 nl_list_for_each_entry_safe(utmpl, tmp, &sp->usertmpl_list, utmpl_list) {
132 xfrmnl_sp_remove_usertemplate (sp, utmpl);
133 xfrmnl_user_tmpl_free (utmpl);
137static int xfrm_sp_clone(
struct nl_object *_dst,
struct nl_object *_src)
139 struct xfrmnl_sp* dst = nl_object_priv(_dst);
140 struct xfrmnl_sp* src = nl_object_priv(_src);
147 nl_init_list_head(&dst->usertmpl_list);
162 if ((dst->sec_ctx = malloc (len)) == NULL)
164 memcpy(dst->sec_ctx, src->sec_ctx, len);
167 nl_list_for_each_entry(utmpl, &src->usertmpl_list, utmpl_list) {
171 xfrmnl_sp_add_usertemplate(dst,
new);
177static uint64_t xfrm_sp_compare(
struct nl_object *_a,
struct nl_object *_b,
178 uint64_t attrs,
int flags)
185#define _DIFF(ATTR, EXPR) ATTR_DIFF(attrs, ATTR, a, b, EXPR)
187 diff |= _DIFF(XFRM_SP_ATTR_LTIME_CFG,
189 diff |= _DIFF(XFRM_SP_ATTR_PRIO, a->priority != b->priority);
190 diff |= _DIFF(XFRM_SP_ATTR_INDEX, a->index != b->index);
191 diff |= _DIFF(XFRM_SP_ATTR_DIR, a->dir != b->dir);
192 diff |= _DIFF(XFRM_SP_ATTR_ACTION, a->action != b->action);
193 diff |= _DIFF(XFRM_SP_ATTR_FLAGS, a->flags != b->flags);
194 diff |= _DIFF(XFRM_SP_ATTR_SHARE, a->share != b->share);
195 diff |= _DIFF(XFRM_SP_ATTR_SECCTX,
196 ((a->sec_ctx->len != b->sec_ctx->len) ||
197 (a->sec_ctx->exttype != b->sec_ctx->exttype) ||
198 (a->sec_ctx->ctx_alg != b->sec_ctx->ctx_alg) ||
199 (a->sec_ctx->ctx_doi != b->sec_ctx->ctx_doi) ||
200 (a->sec_ctx->ctx_len != b->sec_ctx->ctx_len) ||
201 strcmp(a->sec_ctx->ctx, b->sec_ctx->ctx)));
202 diff |= _DIFF(XFRM_SP_ATTR_POLTYPE, (a->uptype.type != b->uptype.type));
203 diff |= _DIFF(XFRM_SP_ATTR_TMPL, (a->nr_user_tmpl != b->nr_user_tmpl));
204 diff |= _DIFF(XFRM_SP_ATTR_MARK,
205 (a->mark.m != b->mark.m) || (a->mark.v != b->mark.v));
208 nl_list_for_each_entry(tmpl_b, &b->usertmpl_list, utmpl_list)
209 nl_list_for_each_entry(tmpl_a, &a->usertmpl_list, utmpl_list)
220static const struct trans_tbl sp_attrs[] = {
221 __ADD(XFRM_SP_ATTR_SEL, selector),
222 __ADD(XFRM_SP_ATTR_LTIME_CFG, lifetime_cfg),
223 __ADD(XFRM_SP_ATTR_LTIME_CUR, lifetime_cur),
224 __ADD(XFRM_SP_ATTR_PRIO, priority),
225 __ADD(XFRM_SP_ATTR_INDEX, index),
226 __ADD(XFRM_SP_ATTR_DIR, direction),
227 __ADD(XFRM_SP_ATTR_ACTION, action),
228 __ADD(XFRM_SP_ATTR_FLAGS, flags),
229 __ADD(XFRM_SP_ATTR_SHARE, share),
230 __ADD(XFRM_SP_ATTR_POLTYPE, policy_type),
231 __ADD(XFRM_SP_ATTR_SECCTX, security_context),
232 __ADD(XFRM_SP_ATTR_TMPL, user_template),
233 __ADD(XFRM_SP_ATTR_MARK, mark),
236static char* xfrm_sp_attrs2str(
int attrs,
char *buf,
size_t len)
238 return __flags2str (attrs, buf, len, sp_attrs, ARRAY_SIZE(sp_attrs));
246static const struct trans_tbl sa_actions[] = {
247 __ADD(XFRM_POLICY_ALLOW, allow),
248 __ADD(XFRM_POLICY_BLOCK, block),
251char* xfrmnl_sp_action2str(
int action,
char *buf,
size_t len)
253 return __type2str (action, buf, len, sa_actions, ARRAY_SIZE(sa_actions));
256int xfrmnl_sp_str2action(
const char *name)
258 return __str2type (name, sa_actions, ARRAY_SIZE(sa_actions));
266static const struct trans_tbl sp_flags[] = {
267 __ADD(XFRM_POLICY_LOCALOK, allow policy
override by user),
268 __ADD(XFRM_POLICY_ICMP,
auto include ICMP in policy),
271char* xfrmnl_sp_flags2str(
int flags,
char *buf,
size_t len)
273 return __flags2str (flags, buf, len, sp_flags, ARRAY_SIZE(sp_flags));
276int xfrmnl_sp_str2flag(
const char *name)
278 return __str2flags(name, sp_flags, ARRAY_SIZE(sp_flags));
286static const struct trans_tbl sp_types[] = {
287 __ADD(XFRM_POLICY_TYPE_MAIN, main),
288 __ADD(XFRM_POLICY_TYPE_SUB, sub),
289 __ADD(XFRM_POLICY_TYPE_MAX, max),
290 __ADD(XFRM_POLICY_TYPE_ANY, any),
293char* xfrmnl_sp_type2str(
int type,
char *buf,
size_t len)
295 return __type2str(type, buf, len, sp_types, ARRAY_SIZE(sp_types));
298int xfrmnl_sp_str2type(
const char *name)
300 return __str2type(name, sp_types, ARRAY_SIZE(sp_types));
308static const struct trans_tbl sp_dir[] = {
309 __ADD(XFRM_POLICY_IN, in),
310 __ADD(XFRM_POLICY_OUT, out),
311 __ADD(XFRM_POLICY_FWD, fwd),
312 __ADD(XFRM_POLICY_MASK, mask),
315char* xfrmnl_sp_dir2str(
int dir,
char *buf,
size_t len)
317 return __type2str (dir, buf, len, sp_dir, ARRAY_SIZE(sp_dir));
320int xfrmnl_sp_str2dir(
const char *name)
322 return __str2type (name, sp_dir, ARRAY_SIZE(sp_dir));
325int xfrmnl_sp_index2dir (
unsigned int index)
335static const struct trans_tbl sp_share[] = {
336 __ADD(XFRM_SHARE_ANY, any),
337 __ADD(XFRM_SHARE_SESSION, session),
338 __ADD(XFRM_SHARE_USER, user),
339 __ADD(XFRM_SHARE_UNIQUE, unique),
342char* xfrmnl_sp_share2str(
int share,
char *buf,
size_t len)
344 return __type2str (share, buf, len, sp_share, ARRAY_SIZE(sp_share));
347int xfrmnl_sp_str2share(
const char *name)
349 return __str2type (name, sp_share, ARRAY_SIZE(sp_share));
353static void xfrm_sp_dump_line(
struct nl_object *a,
struct nl_dump_params *p)
356 char dir[32], action[32], share[32], flags[32];
357 char dst[INET6_ADDRSTRLEN+5], src[INET6_ADDRSTRLEN+5];
358 time_t add_time, use_time;
359 struct tm *add_time_tm, *use_time_tm;
362 nl_addr2str(xfrmnl_sel_get_saddr (sp->sel), src,
sizeof(src));
363 nl_addr2str (xfrmnl_sel_get_daddr (sp->sel), dst, sizeof (dst));
364 nl_af2str (xfrmnl_sel_get_family (sp->sel), dir, 32);
365 nl_dump_line(p,
"src %s dst %s family: %s\n", src, dst, dir);
366 nl_dump_line (p,
"src port/mask: %d/%d dst port/mask: %d/%d\n",
367 xfrmnl_sel_get_dport (sp->sel), xfrmnl_sel_get_dportmask (sp->sel),
368 xfrmnl_sel_get_sport (sp->sel), xfrmnl_sel_get_sportmask (sp->sel));
369 nl_dump_line (p,
"protocol: %s ifindex: %u uid: %u\n",
370 nl_ip_proto2str (xfrmnl_sel_get_proto (sp->sel), dir,
sizeof(dir)),
371 xfrmnl_sel_get_ifindex (sp->sel),
372 xfrmnl_sel_get_userid (sp->sel));
374 xfrmnl_sp_dir2str (sp->dir, dir, 32);
375 xfrmnl_sp_action2str (sp->action, action, 32);
376 xfrmnl_sp_share2str (sp->share, share, 32);
377 xfrmnl_sp_flags2str (sp->flags, flags, 32);
378 nl_dump_line(p,
"\tdir: %s action: %s index: %u priority: %u share: %s flags: %s(0x%x) \n",
379 dir, action, sp->index, sp->priority, share, flags, sp->flags);
381 nl_dump_line(p,
"\tlifetime configuration: \n");
382 if (sp->lft->soft_byte_limit == XFRM_INF)
383 sprintf (dir,
"INF");
385 sprintf (dir,
"%" PRIu64, sp->lft->soft_byte_limit);
386 if (sp->lft->soft_packet_limit == XFRM_INF)
387 sprintf (action,
"INF");
389 sprintf (action,
"%" PRIu64, sp->lft->soft_packet_limit);
390 if (sp->lft->hard_byte_limit == XFRM_INF)
391 sprintf (flags,
"INF");
393 sprintf (flags,
"%" PRIu64, sp->lft->hard_byte_limit);
394 if (sp->lft->hard_packet_limit == XFRM_INF)
395 sprintf (share,
"INF");
397 sprintf (share,
"%" PRIu64, sp->lft->hard_packet_limit);
398 nl_dump_line(p,
"\t\tsoft limit: %s (bytes), %s (packets) \n", dir,
400 nl_dump_line(p,
"\t\thard limit: %s (bytes), %s (packets) \n", flags,
404 "\t\tsoft add_time: %llu (seconds), soft use_time: %llu (seconds) \n",
405 (
long long unsigned)sp->lft->soft_add_expires_seconds,
406 (
long long unsigned)sp->lft->soft_use_expires_seconds);
409 "\t\thard add_time: %llu (seconds), hard use_time: %llu (seconds) \n",
410 (
long long unsigned)sp->lft->hard_add_expires_seconds,
411 (
long long unsigned)sp->lft->hard_use_expires_seconds);
413 nl_dump_line(p,
"\tlifetime current: \n");
414 nl_dump_line(p,
"\t\t%llu bytes, %llu packets\n",
415 (
long long unsigned)sp->curlft.bytes,
416 (
long long unsigned)sp->curlft.packets);
418 if (sp->curlft.add_time != 0)
420 add_time = sp->curlft.add_time;
421 add_time_tm = gmtime_r (&add_time, &tm_buf);
422 strftime (dst, INET6_ADDRSTRLEN+5,
"%Y-%m-%d %H-%M-%S", add_time_tm);
426 sprintf (dst,
"%s",
"-");
429 if (sp->curlft.use_time != 0)
431 use_time = sp->curlft.use_time;
432 use_time_tm = gmtime_r (&use_time, &tm_buf);
433 strftime (src, INET6_ADDRSTRLEN+5,
"%Y-%m-%d %H-%M-%S", use_time_tm);
437 sprintf (src,
"%s",
"-");
439 nl_dump_line(p,
"\t\tadd_time: %s, use_time: %s\n", dst, src);
441 if (sp->ce_mask & XFRM_SP_ATTR_SECCTX)
443 nl_dump_line(p,
"\tUser security context: \n");
444 nl_dump_line(p,
"\t\tlen: %d exttype: %d Algo: %d DOI: %d ctxlen: %d\n",
445 sp->sec_ctx->len, sp->sec_ctx->exttype,
446 sp->sec_ctx->ctx_alg, sp->sec_ctx->ctx_doi, sp->sec_ctx->ctx_len);
447 nl_dump_line (p,
"\t\tctx: %s \n", sp->sec_ctx->ctx);
450 xfrmnl_sp_type2str (sp->uptype.type, flags, 32);
451 if (sp->ce_mask & XFRM_SP_ATTR_POLTYPE)
452 nl_dump_line(p,
"\tUser policy type: %s\n", flags);
454 if (sp->ce_mask & XFRM_SP_ATTR_TMPL)
458 nl_dump_line(p,
"\tUser template: \n");
460 nl_list_for_each_entry(utmpl, &sp->usertmpl_list, utmpl_list)
461 xfrmnl_user_tmpl_dump (utmpl, p);
464 if (sp->ce_mask & XFRM_SP_ATTR_MARK)
465 nl_dump_line(p,
"\tMark mask: 0x%x Mark value: 0x%x\n", sp->mark.m, sp->mark.v);
470static void xfrm_sp_dump_details(
struct nl_object *a,
struct nl_dump_params *p)
472 xfrm_sp_dump_line(a, p);
475static void xfrm_sp_dump_stats(
struct nl_object *a,
struct nl_dump_params *p)
477 xfrm_sp_dump_details(a, p);
514int xfrmnl_sp_alloc_cache(
struct nl_sock *sock,
struct nl_cache **result)
526struct xfrmnl_sp* xfrmnl_sp_get(
struct nl_cache* cache,
unsigned int index,
unsigned int dir)
535 if (sp->index == index && sp->dir == dir)
549static struct nla_policy xfrm_sp_policy[XFRMA_MAX+1] = {
550 [XFRMA_POLICY] = { .
minlen =
sizeof(
struct xfrm_userpolicy_info)},
551 [XFRMA_SEC_CTX] = { .minlen =
sizeof(
struct xfrm_sec_ctx) },
552 [XFRMA_TMPL] = { .minlen =
sizeof(
struct xfrm_user_tmpl) },
553 [XFRMA_POLICY_TYPE] = { .minlen =
sizeof(
struct xfrm_userpolicy_type)},
554 [XFRMA_MARK] = { .minlen =
sizeof(
struct xfrm_mark) },
557static int xfrm_sp_request_update(
struct nl_cache *c,
struct nl_sock *h)
559 return nl_send_simple (h, XFRM_MSG_GETPOLICY, NLM_F_DUMP, NULL, 0);
562int xfrmnl_sp_parse(
struct nlmsghdr *n,
struct xfrmnl_sp **result)
565 struct nlattr *tb[XFRMA_MAX + 1];
566 struct xfrm_userpolicy_info *sp_info;
568 struct nl_addr* addr;
570 sp = xfrmnl_sp_alloc();
576 sp->ce_msgtype = n->nlmsg_type;
577 if (n->nlmsg_type == XFRM_MSG_DELPOLICY)
579 sp_info = (
struct xfrm_userpolicy_info*)((
char *)
nlmsg_data(n) +
sizeof (
struct xfrm_userpolicy_id) + NLA_HDRLEN);
586 err =
nlmsg_parse(n,
sizeof(
struct xfrm_userpolicy_info), tb, XFRMA_MAX, xfrm_sp_policy);
589 printf (
"parse error: %d \n", err);
593 if (sp_info->sel.family == AF_INET)
594 addr =
nl_addr_build (sp_info->sel.family, &sp_info->sel.daddr.a4, sizeof (sp_info->sel.daddr.a4));
596 addr =
nl_addr_build (sp_info->sel.family, &sp_info->sel.daddr.a6, sizeof (sp_info->sel.daddr.a6));
598 xfrmnl_sel_set_daddr (sp->sel, addr);
599 xfrmnl_sel_set_prefixlen_d (sp->sel, sp_info->sel.prefixlen_d);
601 if (sp_info->sel.family == AF_INET)
602 addr =
nl_addr_build (sp_info->sel.family, &sp_info->sel.saddr.a4, sizeof (sp_info->sel.saddr.a4));
604 addr =
nl_addr_build (sp_info->sel.family, &sp_info->sel.saddr.a6, sizeof (sp_info->sel.saddr.a6));
606 xfrmnl_sel_set_saddr (sp->sel, addr);
607 xfrmnl_sel_set_prefixlen_s (sp->sel, sp_info->sel.prefixlen_s);
609 xfrmnl_sel_set_dport (sp->sel, ntohs (sp_info->sel.dport));
610 xfrmnl_sel_set_dportmask (sp->sel, ntohs (sp_info->sel.dport_mask));
611 xfrmnl_sel_set_sport (sp->sel, ntohs (sp_info->sel.sport));
612 xfrmnl_sel_set_sportmask (sp->sel, ntohs (sp_info->sel.sport_mask));
613 xfrmnl_sel_set_family (sp->sel, sp_info->sel.family);
614 xfrmnl_sel_set_proto (sp->sel, sp_info->sel.proto);
615 xfrmnl_sel_set_ifindex (sp->sel, sp_info->sel.ifindex);
616 xfrmnl_sel_set_userid (sp->sel, sp_info->sel.user);
617 sp->ce_mask |= XFRM_SP_ATTR_SEL;
619 sp->lft->soft_byte_limit = sp_info->lft.soft_byte_limit;
620 sp->lft->hard_byte_limit = sp_info->lft.hard_byte_limit;
621 sp->lft->soft_packet_limit = sp_info->lft.soft_packet_limit;
622 sp->lft->hard_packet_limit = sp_info->lft.hard_packet_limit;
623 sp->lft->soft_add_expires_seconds = sp_info->lft.soft_add_expires_seconds;
624 sp->lft->hard_add_expires_seconds = sp_info->lft.hard_add_expires_seconds;
625 sp->lft->soft_use_expires_seconds = sp_info->lft.soft_use_expires_seconds;
626 sp->lft->hard_use_expires_seconds = sp_info->lft.hard_use_expires_seconds;
627 sp->ce_mask |= XFRM_SP_ATTR_LTIME_CFG;
629 sp->curlft.bytes = sp_info->curlft.bytes;
630 sp->curlft.packets = sp_info->curlft.packets;
631 sp->curlft.add_time = sp_info->curlft.add_time;
632 sp->curlft.use_time = sp_info->curlft.use_time;
633 sp->ce_mask |= XFRM_SP_ATTR_LTIME_CUR;
635 sp->priority = sp_info->priority;
636 sp->index = sp_info->index;
637 sp->dir = sp_info->dir;
638 sp->action = sp_info->action;
639 sp->flags = sp_info->flags;
640 sp->share = sp_info->share;
641 sp->ce_mask |= (XFRM_SP_ATTR_PRIO | XFRM_SP_ATTR_INDEX |
642 XFRM_SP_ATTR_DIR | XFRM_SP_ATTR_ACTION |
643 XFRM_SP_ATTR_FLAGS | XFRM_SP_ATTR_SHARE);
645 if (tb[XFRMA_SEC_CTX]) {
646 struct xfrm_user_sec_ctx* ctx =
nla_data(tb[XFRMA_SEC_CTX]);
648 if ((sp->sec_ctx = calloc (1, len)) == NULL)
653 memcpy ((
void *)sp->sec_ctx, (
void *)ctx, len);
654 sp->ce_mask |= XFRM_SP_ATTR_SECCTX;
657 if (tb[XFRMA_POLICY_TYPE]) {
658 struct xfrm_userpolicy_type* up =
nla_data(tb[XFRMA_POLICY_TYPE]);
659 memcpy ((
void *)&sp->uptype, (
void *)up, sizeof (
struct xfrm_userpolicy_type));
660 sp->ce_mask |= XFRM_SP_ATTR_POLTYPE;
663 if (tb[XFRMA_TMPL]) {
664 struct xfrm_user_tmpl* tmpl =
nla_data(tb[XFRMA_TMPL]);
667 uint32_t num_tmpls =
nla_len(tb[XFRMA_TMPL]) /
sizeof (*tmpl);
668 struct nl_addr* addr;
670 for (i = 0; (i < num_tmpls) && (tmpl); i ++, tmpl++)
678 if (tmpl->family == AF_INET)
679 addr =
nl_addr_build(tmpl->family, &tmpl->id.daddr.a4, sizeof (tmpl->id.daddr.a4));
681 addr =
nl_addr_build(tmpl->family, &tmpl->id.daddr.a6, sizeof (tmpl->id.daddr.a6));
682 xfrmnl_user_tmpl_set_daddr (sputmpl, addr);
683 xfrmnl_user_tmpl_set_spi (sputmpl, ntohl(tmpl->id.spi));
684 xfrmnl_user_tmpl_set_proto (sputmpl, tmpl->id.proto);
685 xfrmnl_user_tmpl_set_family (sputmpl, tmpl->family);
687 if (tmpl->family == AF_INET)
688 addr =
nl_addr_build(tmpl->family, &tmpl->saddr.a4, sizeof (tmpl->saddr.a4));
690 addr =
nl_addr_build(tmpl->family, &tmpl->saddr.a6, sizeof (tmpl->saddr.a6));
691 xfrmnl_user_tmpl_set_saddr (sputmpl, addr);
693 xfrmnl_user_tmpl_set_reqid (sputmpl, tmpl->reqid);
694 xfrmnl_user_tmpl_set_mode (sputmpl, tmpl->mode);
695 xfrmnl_user_tmpl_set_share (sputmpl, tmpl->share);
696 xfrmnl_user_tmpl_set_optional (sputmpl, tmpl->optional);
697 xfrmnl_user_tmpl_set_aalgos (sputmpl, tmpl->aalgos);
698 xfrmnl_user_tmpl_set_ealgos (sputmpl, tmpl->ealgos);
699 xfrmnl_user_tmpl_set_calgos (sputmpl, tmpl->calgos);
700 xfrmnl_sp_add_usertemplate (sp, sputmpl);
702 sp->ce_mask |= XFRM_SP_ATTR_TMPL;
706 if (tb[XFRMA_MARK]) {
707 struct xfrm_mark* m =
nla_data(tb[XFRMA_MARK]);
710 sp->ce_mask |= XFRM_SP_ATTR_MARK;
721static int xfrm_sp_msg_parser(
struct nl_cache_ops *ops,
struct sockaddr_nl *who,
722 struct nlmsghdr *n,
struct nl_parser_param *pp)
727 if ((err = xfrmnl_sp_parse(n, &sp)) < 0)
729 printf (
"received error: %d \n", err);
733 err = pp->pp_cb((
struct nl_object *) sp, pp);
744int xfrmnl_sp_build_get_request(
unsigned int index,
unsigned int dir,
unsigned int mark_v,
unsigned int mark_m,
struct nl_msg **result)
747 struct xfrm_userpolicy_id spid;
748 struct xfrm_mark mark;
750 memset(&spid, 0,
sizeof(spid));
757 if (
nlmsg_append(msg, &spid,
sizeof(spid), NLMSG_ALIGNTO) < 0)
758 goto nla_put_failure;
760 if ((mark_m & mark_v) != 0)
762 memset(&mark, 0,
sizeof(
struct xfrm_mark));
766 NLA_PUT (msg, XFRMA_MARK,
sizeof (
struct xfrm_mark), &mark);
777int xfrmnl_sp_get_kernel(
struct nl_sock* sock,
unsigned int index,
unsigned int dir,
unsigned int mark_v,
unsigned int mark_m,
struct xfrmnl_sp** result)
779 struct nl_msg *msg = NULL;
780 struct nl_object *obj;
783 if ((err = xfrmnl_sp_build_get_request(index, dir, mark_m, mark_v, &msg)) < 0)
791 if ((err =
nl_pickup(sock, &xfrm_sp_msg_parser, &obj)) < 0)
806static int build_xfrm_sp_message(
struct xfrmnl_sp *tmpl,
int cmd,
int flags,
struct nl_msg **result)
809 struct xfrm_userpolicy_info sp_info;
811 struct nl_addr* addr;
813 if (!(tmpl->ce_mask & XFRM_SP_ATTR_DIR) ||
814 (!(tmpl->ce_mask & XFRM_SP_ATTR_INDEX) &&
815 !(tmpl->ce_mask & XFRM_SP_ATTR_SEL)))
816 return -NLE_MISSING_ATTR;
818 memset ((
void*)&sp_info, 0,
sizeof (sp_info));
819 if (tmpl->ce_mask & XFRM_SP_ATTR_SEL)
821 addr = xfrmnl_sel_get_daddr (tmpl->sel);
823 addr = xfrmnl_sel_get_saddr (tmpl->sel);
825 sp_info.sel.dport = htons (xfrmnl_sel_get_dport (tmpl->sel));
826 sp_info.sel.dport_mask = htons (xfrmnl_sel_get_dportmask (tmpl->sel));
827 sp_info.sel.sport = htons (xfrmnl_sel_get_sport (tmpl->sel));
828 sp_info.sel.sport_mask = htons (xfrmnl_sel_get_sportmask (tmpl->sel));
829 sp_info.sel.family = xfrmnl_sel_get_family (tmpl->sel);
830 sp_info.sel.prefixlen_d = xfrmnl_sel_get_prefixlen_d (tmpl->sel);
831 sp_info.sel.prefixlen_s = xfrmnl_sel_get_prefixlen_s (tmpl->sel);
832 sp_info.sel.proto = xfrmnl_sel_get_proto (tmpl->sel);
833 sp_info.sel.ifindex = xfrmnl_sel_get_ifindex (tmpl->sel);
834 sp_info.sel.user = xfrmnl_sel_get_userid (tmpl->sel);
837 if (tmpl->ce_mask & XFRM_SP_ATTR_LTIME_CFG)
839 sp_info.lft.soft_byte_limit = xfrmnl_ltime_cfg_get_soft_bytelimit (tmpl->lft);
840 sp_info.lft.hard_byte_limit = xfrmnl_ltime_cfg_get_hard_bytelimit (tmpl->lft);
841 sp_info.lft.soft_packet_limit = xfrmnl_ltime_cfg_get_soft_packetlimit (tmpl->lft);
842 sp_info.lft.hard_packet_limit = xfrmnl_ltime_cfg_get_hard_packetlimit (tmpl->lft);
843 sp_info.lft.soft_add_expires_seconds = xfrmnl_ltime_cfg_get_soft_addexpires (tmpl->lft);
844 sp_info.lft.hard_add_expires_seconds = xfrmnl_ltime_cfg_get_hard_addexpires (tmpl->lft);
845 sp_info.lft.soft_use_expires_seconds = xfrmnl_ltime_cfg_get_soft_useexpires (tmpl->lft);
846 sp_info.lft.hard_use_expires_seconds = xfrmnl_ltime_cfg_get_hard_useexpires (tmpl->lft);
851 if (tmpl->ce_mask & XFRM_SP_ATTR_PRIO)
852 sp_info.priority = tmpl->priority;
854 if (tmpl->ce_mask & XFRM_SP_ATTR_INDEX)
855 sp_info.index = tmpl->index;
857 if (tmpl->ce_mask & XFRM_SP_ATTR_DIR)
858 sp_info.dir = tmpl->dir;
860 if (tmpl->ce_mask & XFRM_SP_ATTR_ACTION)
861 sp_info.action = tmpl->action;
863 if (tmpl->ce_mask & XFRM_SP_ATTR_FLAGS)
864 sp_info.flags = tmpl->flags;
866 if (tmpl->ce_mask & XFRM_SP_ATTR_SHARE)
867 sp_info.share = tmpl->share;
873 if (
nlmsg_append(msg, &sp_info,
sizeof(sp_info), NLMSG_ALIGNTO) < 0)
874 goto nla_put_failure;
876 if (tmpl->ce_mask & XFRM_SP_ATTR_SECCTX) {
877 len = (
sizeof (
struct xfrm_user_sec_ctx)) + tmpl->sec_ctx->ctx_len;
878 NLA_PUT (msg, XFRMA_SEC_CTX, len, tmpl->sec_ctx);
881 if (tmpl->ce_mask & XFRM_SP_ATTR_POLTYPE) {
882 len =
sizeof (
struct xfrm_userpolicy_type);
883 NLA_PUT (msg, XFRMA_POLICY_TYPE, len, &tmpl->uptype);
886 if (tmpl->ce_mask & XFRM_SP_ATTR_TMPL) {
887 struct nlattr* tmpls;
889 struct nl_addr* addr;
892 goto nla_put_failure;
894 nl_list_for_each_entry(utmpl, &tmpl->usertmpl_list, utmpl_list) {
895 struct xfrm_user_tmpl* tmpl;
899 goto nla_put_failure;
900 addr = xfrmnl_user_tmpl_get_daddr (utmpl);
903 tmpl->id.spi = htonl(xfrmnl_user_tmpl_get_spi (utmpl));
904 tmpl->id.proto = xfrmnl_user_tmpl_get_proto (utmpl);
905 tmpl->family = xfrmnl_user_tmpl_get_family (utmpl);
906 addr = xfrmnl_user_tmpl_get_saddr (utmpl);
909 tmpl->reqid = xfrmnl_user_tmpl_get_reqid (utmpl);
910 tmpl->mode = xfrmnl_user_tmpl_get_mode (utmpl);
911 tmpl->share = xfrmnl_user_tmpl_get_share (utmpl);
912 tmpl->optional = xfrmnl_user_tmpl_get_optional (utmpl);
913 tmpl->aalgos = xfrmnl_user_tmpl_get_aalgos (utmpl);
914 tmpl->ealgos = xfrmnl_user_tmpl_get_ealgos (utmpl);
915 tmpl->calgos = xfrmnl_user_tmpl_get_calgos (utmpl);
920 if (tmpl->ce_mask & XFRM_SP_ATTR_MARK) {
921 NLA_PUT (msg, XFRMA_MARK,
sizeof (
struct xfrm_mark), &tmpl->mark);
937int xfrmnl_sp_build_add_request(
struct xfrmnl_sp* tmpl,
int flags,
struct nl_msg **result)
939 return build_xfrm_sp_message (tmpl, XFRM_MSG_NEWPOLICY, flags, result);
942int xfrmnl_sp_add(
struct nl_sock* sk,
struct xfrmnl_sp* tmpl,
int flags)
947 if ((err = xfrmnl_sp_build_add_request(tmpl, flags, &msg)) < 0)
963int xfrmnl_sp_build_update_request(
struct xfrmnl_sp* tmpl,
int flags,
struct nl_msg **result)
965 return build_xfrm_sp_message (tmpl, XFRM_MSG_UPDPOLICY, flags, result);
968int xfrmnl_sp_update(
struct nl_sock* sk,
struct xfrmnl_sp* tmpl,
int flags)
973 if ((err = xfrmnl_sp_build_update_request(tmpl, flags, &msg)) < 0)
999static int build_xfrm_sp_delete_message(
struct xfrmnl_sp *tmpl,
int cmd,
int flags,
struct nl_msg **result)
1002 struct xfrm_userpolicy_id spid;
1003 struct nl_addr* addr;
1006 if (!(tmpl->ce_mask & XFRM_SP_ATTR_DIR) ||
1007 (!(tmpl->ce_mask & XFRM_SP_ATTR_INDEX) &&
1008 !(tmpl->ce_mask & XFRM_SP_ATTR_SEL)))
1009 return -NLE_MISSING_ATTR;
1011 memset(&spid, 0,
sizeof(spid));
1012 spid.dir = tmpl->dir;
1013 if(tmpl->ce_mask & XFRM_SP_ATTR_INDEX)
1014 spid.index = tmpl->index;
1016 if (tmpl->ce_mask & XFRM_SP_ATTR_SEL)
1018 addr = xfrmnl_sel_get_daddr (tmpl->sel);
1020 addr = xfrmnl_sel_get_saddr (tmpl->sel);
1022 spid.sel.dport = htons (xfrmnl_sel_get_dport (tmpl->sel));
1023 spid.sel.dport_mask = htons (xfrmnl_sel_get_dportmask (tmpl->sel));
1024 spid.sel.sport = htons (xfrmnl_sel_get_sport (tmpl->sel));
1025 spid.sel.sport_mask = htons (xfrmnl_sel_get_sportmask (tmpl->sel));
1026 spid.sel.family = xfrmnl_sel_get_family (tmpl->sel);
1027 spid.sel.prefixlen_d = xfrmnl_sel_get_prefixlen_d (tmpl->sel);
1028 spid.sel.prefixlen_s = xfrmnl_sel_get_prefixlen_s (tmpl->sel);
1029 spid.sel.proto = xfrmnl_sel_get_proto (tmpl->sel);
1030 spid.sel.ifindex = xfrmnl_sel_get_ifindex (tmpl->sel);
1031 spid.sel.user = xfrmnl_sel_get_userid (tmpl->sel);
1038 if (
nlmsg_append(msg, &spid,
sizeof(spid), NLMSG_ALIGNTO) < 0)
1039 goto nla_put_failure;
1041 if (tmpl->ce_mask & XFRM_SP_ATTR_SECCTX) {
1042 len = (
sizeof (
struct xfrm_user_sec_ctx)) + tmpl->sec_ctx->ctx_len;
1043 NLA_PUT (msg, XFRMA_SEC_CTX, len, tmpl->sec_ctx);
1046 if (tmpl->ce_mask & XFRM_SP_ATTR_MARK) {
1047 len =
sizeof (
struct xfrm_mark);
1048 NLA_PUT (msg, XFRMA_MARK, len, &tmpl->mark);
1056 return -NLE_MSGSIZE;
1064int xfrmnl_sp_build_delete_request(
struct xfrmnl_sp* tmpl,
int flags,
struct nl_msg **result)
1066 return build_xfrm_sp_delete_message (tmpl, XFRM_MSG_DELPOLICY, flags, result);
1069int xfrmnl_sp_delete(
struct nl_sock* sk,
struct xfrmnl_sp* tmpl,
int flags)
1074 if ((err = xfrmnl_sp_build_delete_request(tmpl, flags, &msg)) < 0)
1095 if (sp->ce_mask & XFRM_SP_ATTR_SEL)
1105 xfrmnl_sel_put (sp->sel);
1108 xfrmnl_sel_get (sel);
1110 sp->ce_mask |= XFRM_SP_ATTR_SEL;
1117 if (sp->ce_mask & XFRM_SP_ATTR_LTIME_CFG)
1127 xfrmnl_ltime_cfg_put (sp->lft);
1130 xfrmnl_ltime_cfg_get (ltime);
1132 sp->ce_mask |= XFRM_SP_ATTR_LTIME_CFG;
1137int xfrmnl_sp_get_curlifetime (
struct xfrmnl_sp* sp,
unsigned long long int* curr_bytes,
1138 unsigned long long int* curr_packets,
unsigned long long int* curr_add_time,
unsigned long long int* curr_use_time)
1140 if (sp == NULL || curr_bytes == NULL || curr_packets == NULL || curr_add_time == NULL || curr_use_time == NULL)
1143 *curr_bytes = sp->curlft.bytes;
1144 *curr_packets = sp->curlft.packets;
1145 *curr_add_time = sp->curlft.add_time;
1146 *curr_use_time = sp->curlft.use_time;
1151int xfrmnl_sp_get_priority (
struct xfrmnl_sp* sp)
1153 if (sp->ce_mask & XFRM_SP_ATTR_PRIO)
1154 return sp->priority;
1159int xfrmnl_sp_set_priority (
struct xfrmnl_sp* sp,
unsigned int prio)
1161 sp->priority = prio;
1162 sp->ce_mask |= XFRM_SP_ATTR_PRIO;
1167int xfrmnl_sp_get_index (
struct xfrmnl_sp* sp)
1169 if (sp->ce_mask & XFRM_SP_ATTR_INDEX)
1175int xfrmnl_sp_set_index (
struct xfrmnl_sp* sp,
unsigned int index)
1178 sp->ce_mask |= XFRM_SP_ATTR_INDEX;
1183int xfrmnl_sp_get_dir (
struct xfrmnl_sp* sp)
1185 if (sp->ce_mask & XFRM_SP_ATTR_DIR)
1191int xfrmnl_sp_set_dir (
struct xfrmnl_sp* sp,
unsigned int dir)
1194 sp->ce_mask |= XFRM_SP_ATTR_DIR;
1199int xfrmnl_sp_get_action (
struct xfrmnl_sp* sp)
1201 if (sp->ce_mask & XFRM_SP_ATTR_ACTION)
1207int xfrmnl_sp_set_action (
struct xfrmnl_sp* sp,
unsigned int action)
1209 sp->action = action;
1210 sp->ce_mask |= XFRM_SP_ATTR_ACTION;
1215int xfrmnl_sp_get_flags (
struct xfrmnl_sp* sp)
1217 if (sp->ce_mask & XFRM_SP_ATTR_FLAGS)
1223int xfrmnl_sp_set_flags (
struct xfrmnl_sp* sp,
unsigned int flags)
1226 sp->ce_mask |= XFRM_SP_ATTR_FLAGS;
1231int xfrmnl_sp_get_share (
struct xfrmnl_sp* sp)
1233 if (sp->ce_mask & XFRM_SP_ATTR_SHARE)
1239int xfrmnl_sp_set_share (
struct xfrmnl_sp* sp,
unsigned int share)
1242 sp->ce_mask |= XFRM_SP_ATTR_SHARE;
1268int xfrmnl_sp_get_sec_ctx (
struct xfrmnl_sp* sp,
unsigned int* len,
unsigned int* exttype,
unsigned int* alg,
unsigned int* doi,
unsigned int* ctx_len,
char* ctx_str)
1270 if (sp->ce_mask & XFRM_SP_ATTR_SECCTX)
1275 *exttype = sp->sec_ctx->exttype;
1277 *alg = sp->sec_ctx->ctx_alg;
1279 *doi = sp->sec_ctx->ctx_doi;
1281 *ctx_len = sp->sec_ctx->ctx_len;
1283 memcpy ((
void *)ctx_str, (
void *)sp->sec_ctx->ctx, sp->sec_ctx->ctx_len);
1303int xfrmnl_sp_set_sec_ctx (
struct xfrmnl_sp* sp,
unsigned int len __attribute__((unused)),
unsigned int exttype,
unsigned int alg,
unsigned int doi,
unsigned int ctx_len,
char* ctx_str)
1308 if ((sp->sec_ctx = calloc (1,
sizeof (
struct xfrmnl_user_sec_ctx) + 1 + ctx_len)) == NULL)
1313 sp->sec_ctx->exttype = exttype;
1314 sp->sec_ctx->ctx_alg = alg;
1315 sp->sec_ctx->ctx_doi = doi;
1316 sp->sec_ctx->ctx_len = ctx_len;
1317 memcpy ((
void *)sp->sec_ctx->ctx, (
void *)ctx_str, ctx_len);
1318 sp->sec_ctx->ctx[ctx_len] =
'\0';
1320 sp->ce_mask |= XFRM_SP_ATTR_SECCTX;
1325int xfrmnl_sp_get_userpolicy_type (
struct xfrmnl_sp* sp)
1327 if (sp->ce_mask & XFRM_SP_ATTR_POLTYPE)
1328 return sp->uptype.type;
1333int xfrmnl_sp_set_userpolicy_type (
struct xfrmnl_sp* sp,
unsigned int type)
1335 sp->uptype.type = type;
1336 sp->ce_mask |= XFRM_SP_ATTR_POLTYPE;
1343 nl_list_add_tail(&utmpl->utmpl_list, &sp->usertmpl_list);
1345 sp->ce_mask |= XFRM_SP_ATTR_TMPL;
1350 if (sp->ce_mask & XFRM_SP_ATTR_TMPL) {
1352 nl_list_del(&utmpl->utmpl_list);
1358 if (sp->ce_mask & XFRM_SP_ATTR_TMPL)
1359 return &sp->usertmpl_list;
1364int xfrmnl_sp_get_nusertemplates(
struct xfrmnl_sp *sp)
1366 if (sp->ce_mask & XFRM_SP_ATTR_TMPL)
1367 return sp->nr_user_tmpl;
1372void xfrmnl_sp_foreach_usertemplate(
struct xfrmnl_sp *r,
1378 if (r->ce_mask & XFRM_SP_ATTR_TMPL) {
1379 nl_list_for_each_entry(utmpl, &r->usertmpl_list, utmpl_list) {
1390 if (r->ce_mask & XFRM_SP_ATTR_TMPL && r->nr_user_tmpl > n) {
1392 nl_list_for_each_entry(utmpl, &r->usertmpl_list, utmpl_list) {
1393 if (i == n)
return utmpl;
1400int xfrmnl_sp_get_mark (
struct xfrmnl_sp* sp,
unsigned int* mark_mask,
unsigned int* mark_value)
1402 if (mark_mask == NULL || mark_value == NULL)
1405 if (sp->ce_mask & XFRM_SP_ATTR_MARK)
1407 *mark_mask = sp->mark.m;
1408 *mark_value = sp->mark.v;
1416int xfrmnl_sp_set_mark (
struct xfrmnl_sp* sp,
unsigned int value,
unsigned int mask)
1420 sp->ce_mask |= XFRM_SP_ATTR_MARK;
1427static struct nl_object_ops xfrm_sp_obj_ops = {
1428 .oo_name =
"xfrm/sp",
1430 .oo_constructor = xfrm_sp_alloc_data,
1431 .oo_free_data = xfrm_sp_free_data,
1432 .oo_clone = xfrm_sp_clone,
1438 .oo_compare = xfrm_sp_compare,
1439 .oo_attrs2str = xfrm_sp_attrs2str,
1440 .oo_id_attrs = (XFRM_SP_ATTR_SEL | XFRM_SP_ATTR_INDEX | XFRM_SP_ATTR_DIR),
1443static struct nl_af_group xfrm_sp_groups[] = {
1444 { AF_UNSPEC, XFRMNLGRP_POLICY },
1445 { END_OF_GROUP_LIST },
1448static struct nl_cache_ops xfrmnl_sp_ops = {
1449 .co_name =
"xfrm/sp",
1450 .co_hdrsize =
sizeof(
struct xfrm_userpolicy_info),
1452 { XFRM_MSG_NEWPOLICY, NL_ACT_NEW,
"new" },
1453 { XFRM_MSG_DELPOLICY, NL_ACT_DEL,
"del" },
1454 { XFRM_MSG_GETPOLICY, NL_ACT_GET,
"get" },
1455 { XFRM_MSG_UPDPOLICY, NL_ACT_NEW,
"update" },
1456 END_OF_MSGTYPES_LIST,
1458 .co_protocol = NETLINK_XFRM,
1459 .co_groups = xfrm_sp_groups,
1460 .co_request_update = xfrm_sp_request_update,
1461 .co_msg_parser = xfrm_sp_msg_parser,
1462 .co_obj_ops = &xfrm_sp_obj_ops,
1470static void __attribute__ ((constructor)) xfrm_sp_init(
void)
1475static void __attribute__ ((destructor)) xfrm_sp_exit(
void)
struct xfrmnl_user_tmpl * xfrmnl_user_tmpl_clone(struct xfrmnl_user_tmpl *utmpl)
Clone existing user template object.
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.
int xfrmnl_user_tmpl_cmp(struct xfrmnl_user_tmpl *a, struct xfrmnl_user_tmpl *b)
Compares two user template objects.
struct xfrmnl_sel * xfrmnl_sel_clone(struct xfrmnl_sel *sel)
Clone existing selector object.
struct xfrmnl_user_tmpl * xfrmnl_user_tmpl_alloc()
Allocate new user template 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_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.
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 * 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.
struct nlattr * nla_nest_start(struct nl_msg *msg, int attrtype)
Start a new level of nested attributes.
int nla_len(const struct nlattr *nla)
Return length of the payload .
int nla_nest_end(struct nl_msg *msg, struct nlattr *start)
Finalize nesting of attributes.
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.
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.
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_reserve(struct nl_msg *n, size_t len, int pad)
Reserve room for additional data in a 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 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.