4 * Copyright (C)2004 USAGI/WIDE Project
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
25 * Masahide NAKAMURA @USAGI
32 #include <linux/xfrm.h>
35 #include "ip_common.h"
37 //#define NLMSG_DELETEALL_BUF_SIZE (4096-512)
38 #define NLMSG_DELETEALL_BUF_SIZE 8192
41 * Receiving buffer defines:
43 * data = struct xfrm_usersa_info
46 * ... (max count of rtattr is XFRM_MAX+1
48 * each rtattr data = struct xfrm_algo(dynamic size) or xfrm_address_t
50 #define NLMSG_BUF_SIZE 4096
51 #define RTA_BUF_SIZE 2048
52 #define XFRM_ALGO_KEY_BUF_SIZE 512
54 static void usage(void) __attribute__((noreturn));
56 static void usage(void)
58 fprintf(stderr, "Usage: ip xfrm state { add | update } ID [ ALGO-LIST ] [ mode MODE ]\n");
59 fprintf(stderr, " [ reqid REQID ] [ seq SEQ ] [ replay-window SIZE ] [ flag FLAG-LIST ]\n");
60 fprintf(stderr, " [ encap ENCAP ] [ sel SELECTOR ] [ LIMIT-LIST ]\n");
61 fprintf(stderr, "Usage: ip xfrm state allocspi ID [ mode MODE ] [ reqid REQID ] [ seq SEQ ]\n");
62 fprintf(stderr, " [ min SPI max SPI ]\n");
63 fprintf(stderr, "Usage: ip xfrm state { delete | get } ID\n");
64 fprintf(stderr, "Usage: ip xfrm state { deleteall | list } [ ID ] [ mode MODE ] [ reqid REQID ]\n");
65 fprintf(stderr, " [ flag FLAG_LIST ]\n");
66 fprintf(stderr, "Usage: ip xfrm state flush [ proto XFRM_PROTO ]\n");
68 fprintf(stderr, "ID := [ src ADDR ] [ dst ADDR ] [ proto XFRM_PROTO ] [ spi SPI ]\n");
69 //fprintf(stderr, "XFRM_PROTO := [ esp | ah | comp ]\n");
70 fprintf(stderr, "XFRM_PROTO := [ ");
71 fprintf(stderr, "%s | ", strxf_xfrmproto(IPPROTO_ESP));
72 fprintf(stderr, "%s | ", strxf_xfrmproto(IPPROTO_AH));
73 fprintf(stderr, "%s ", strxf_xfrmproto(IPPROTO_COMP));
74 fprintf(stderr, "]\n");
76 //fprintf(stderr, "SPI - security parameter index(default=0)\n");
78 fprintf(stderr, "MODE := [ transport | tunnel ](default=transport)\n");
79 //fprintf(stderr, "REQID - number(default=0)\n");
81 fprintf(stderr, "FLAG-LIST := [ FLAG-LIST ] FLAG\n");
82 fprintf(stderr, "FLAG := [ noecn | decap-dscp ]\n");
84 fprintf(stderr, "ENCAP := ENCAP-TYPE SPORT DPORT OADDR\n");
85 fprintf(stderr, "ENCAP-TYPE := espinudp | espinudp-nonike\n");
87 fprintf(stderr, "ALGO-LIST := [ ALGO-LIST ] | [ ALGO ]\n");
88 fprintf(stderr, "ALGO := ALGO_TYPE ALGO_NAME ALGO_KEY\n");
89 fprintf(stderr, "ALGO_TYPE := [ ");
90 fprintf(stderr, "%s | ", strxf_algotype(XFRMA_ALG_CRYPT));
91 fprintf(stderr, "%s | ", strxf_algotype(XFRMA_ALG_AUTH));
92 fprintf(stderr, "%s ", strxf_algotype(XFRMA_ALG_COMP));
93 fprintf(stderr, "]\n");
95 //fprintf(stderr, "ALGO_NAME - algorithm name\n");
96 //fprintf(stderr, "ALGO_KEY - algorithm key\n");
98 fprintf(stderr, "SELECTOR := src ADDR[/PLEN] dst ADDR[/PLEN] [ UPSPEC ] [ dev DEV ]\n");
100 fprintf(stderr, "UPSPEC := proto PROTO [ [ sport PORT ] [ dport PORT ] |\n");
101 fprintf(stderr, " [ type NUMBER ] [ code NUMBER ] ]\n");
104 //fprintf(stderr, "DEV - device name(default=none)\n");
105 fprintf(stderr, "LIMIT-LIST := [ LIMIT-LIST ] | [ limit LIMIT ]\n");
106 fprintf(stderr, "LIMIT := [ [time-soft|time-hard|time-use-soft|time-use-hard] SECONDS ] |\n");
107 fprintf(stderr, " [ [byte-soft|byte-hard] SIZE ] | [ [packet-soft|packet-hard] COUNT ]\n");
111 static int xfrm_algo_parse(struct xfrm_algo *alg, enum xfrm_attr_type_t type,
112 char *name, char *key, int max)
115 int slen = strlen(key);
118 /* XXX: verifying both name and key is required! */
119 fprintf(stderr, "warning: ALGONAME/ALGOKEY will send to kernel promiscuously!(verifying them isn't implemented yet)\n");
122 strncpy(alg->alg_name, name, sizeof(alg->alg_name));
124 if (slen > 2 && strncmp(key, "0x", 2) == 0) {
125 /* split two chars "0x" from the top */
131 /* Converting hexadecimal numbered string into real key;
132 * Convert each two chars into one char(value). If number
133 * of the length is odd, add zero on the top for rounding.
136 /* calculate length of the converted values(real key) */
137 len = (plen + 1) / 2;
139 invarg("\"ALGOKEY\" makes buffer overflow\n", key);
141 for (i = - (plen % 2), j = 0; j < len; i += 2, j++) {
145 vbuf[0] = i >= 0 ? p[i] : '0';
149 if (get_u8(&val, vbuf, 16))
150 invarg("\"ALGOKEY\" is invalid", key);
152 alg->alg_key[j] = val;
158 invarg("\"ALGOKEY\" makes buffer overflow\n", key);
160 strncpy(alg->alg_key, key, len);
164 alg->alg_key_len = len * 8;
169 static int xfrm_seq_parse(__u32 *seq, int *argcp, char ***argvp)
172 char **argv = *argvp;
174 if (get_u32(seq, *argv, 0))
175 invarg("\"SEQ\" is invalid", *argv);
185 static int xfrm_state_flag_parse(__u8 *flags, int *argcp, char ***argvp)
188 char **argv = *argvp;
189 int len = strlen(*argv);
191 if (len > 2 && strncmp(*argv, "0x", 2) == 0) {
194 if (get_u8(&val, *argv, 16))
195 invarg("\"FLAG\" is invalid", *argv);
199 if (strcmp(*argv, "noecn") == 0)
200 *flags |= XFRM_STATE_NOECN;
201 else if (strcmp(*argv, "decap-dscp") == 0)
202 *flags |= XFRM_STATE_DECAP_DSCP;
204 PREV_ARG(); /* back track */
214 filter.state_flags_mask = XFRM_FILTER_MASK_FULL;
222 static int xfrm_state_modify(int cmd, unsigned flags, int argc, char **argv)
224 struct rtnl_handle rth;
227 struct xfrm_usersa_info xsinfo;
228 char buf[RTA_BUF_SIZE];
235 memset(&req, 0, sizeof(req));
237 req.n.nlmsg_len = NLMSG_LENGTH(sizeof(req.xsinfo));
238 req.n.nlmsg_flags = NLM_F_REQUEST|flags;
239 req.n.nlmsg_type = cmd;
240 req.xsinfo.family = preferred_family;
242 req.xsinfo.lft.soft_byte_limit = XFRM_INF;
243 req.xsinfo.lft.hard_byte_limit = XFRM_INF;
244 req.xsinfo.lft.soft_packet_limit = XFRM_INF;
245 req.xsinfo.lft.hard_packet_limit = XFRM_INF;
248 if (strcmp(*argv, "mode") == 0) {
250 xfrm_mode_parse(&req.xsinfo.mode, &argc, &argv);
251 } else if (strcmp(*argv, "reqid") == 0) {
253 xfrm_reqid_parse(&req.xsinfo.reqid, &argc, &argv);
254 } else if (strcmp(*argv, "seq") == 0) {
256 xfrm_seq_parse(&req.xsinfo.seq, &argc, &argv);
257 } else if (strcmp(*argv, "replay-window") == 0) {
259 if (get_u8(&req.xsinfo.replay_window, *argv, 0))
260 invarg("\"replay-window\" value is invalid", *argv);
261 } else if (strcmp(*argv, "flag") == 0) {
263 xfrm_state_flag_parse(&req.xsinfo.flags, &argc, &argv);
264 } else if (strcmp(*argv, "sel") == 0) {
266 xfrm_selector_parse(&req.xsinfo.sel, &argc, &argv);
267 } else if (strcmp(*argv, "limit") == 0) {
269 xfrm_lifetime_cfg_parse(&req.xsinfo.lft, &argc, &argv);
270 } else if (strcmp(*argv, "encap") == 0) {
271 struct xfrm_encap_tmpl encap;
274 xfrm_encap_type_parse(&encap.encap_type, &argc, &argv);
276 if (get_u16(&encap.encap_sport, *argv, 0))
277 invarg("\"encap\" sport value is invalid", *argv);
278 encap.encap_sport = htons(encap.encap_sport);
280 if (get_u16(&encap.encap_dport, *argv, 0))
281 invarg("\"encap\" dport value is invalid", *argv);
282 encap.encap_dport = htons(encap.encap_dport);
284 get_addr(&oa, *argv, AF_UNSPEC);
285 memcpy(&encap.encap_oa, &oa.data, sizeof(encap.encap_oa));
286 addattr_l(&req.n, sizeof(req.buf), XFRMA_ENCAP,
287 (void *)&encap, sizeof(encap));
289 /* try to assume ALGO */
290 int type = xfrm_algotype_getbyname(*argv);
292 case XFRMA_ALG_CRYPT:
298 struct xfrm_algo alg;
299 char buf[XFRM_ALGO_KEY_BUF_SIZE];
306 case XFRMA_ALG_CRYPT:
308 duparg("ALGOTYPE", *argv);
313 duparg("ALGOTYPE", *argv);
318 duparg("ALGOTYPE", *argv);
323 invarg("\"ALGOTYPE\" is invalid\n", *argv);
336 memset(&alg, 0, sizeof(alg));
338 xfrm_algo_parse((void *)&alg, type, name, key,
340 len = sizeof(struct xfrm_algo) + alg.alg.alg_key_len;
342 addattr_l(&req.n, sizeof(req.buf), type,
347 /* try to assume ID */
349 invarg("unknown", *argv);
353 xfrm_id_parse(&req.xsinfo.saddr, &req.xsinfo.id,
354 &req.xsinfo.family, 0, &argc, &argv);
355 if (preferred_family == AF_UNSPEC)
356 preferred_family = req.xsinfo.family;
363 fprintf(stderr, "Not enough information: \"ID\" is required\n");
367 if (ealgop || aalgop || calgop) {
368 if (req.xsinfo.id.proto != IPPROTO_ESP &&
369 req.xsinfo.id.proto != IPPROTO_AH &&
370 req.xsinfo.id.proto != IPPROTO_COMP) {
371 fprintf(stderr, "\"ALGO\" is invalid with proto=%s\n", strxf_xfrmproto(req.xsinfo.id.proto));
375 if (req.xsinfo.id.proto == IPPROTO_ESP ||
376 req.xsinfo.id.proto == IPPROTO_AH ||
377 req.xsinfo.id.proto == IPPROTO_COMP) {
378 fprintf(stderr, "\"ALGO\" is required with proto=%s\n", strxf_xfrmproto(req.xsinfo.id.proto));
383 if (rtnl_open_byproto(&rth, 0, NETLINK_XFRM) < 0)
386 if (req.xsinfo.family == AF_UNSPEC)
387 req.xsinfo.family = AF_INET;
389 if (rtnl_talk(&rth, &req.n, 0, 0, NULL, NULL, NULL) < 0)
397 static int xfrm_state_allocspi(int argc, char **argv)
399 struct rtnl_handle rth;
402 struct xfrm_userspi_info xspi;
403 char buf[RTA_BUF_SIZE];
408 char res_buf[NLMSG_BUF_SIZE];
409 struct nlmsghdr *res_n = (struct nlmsghdr *)res_buf;
411 memset(res_buf, 0, sizeof(res_buf));
413 memset(&req, 0, sizeof(req));
415 req.n.nlmsg_len = NLMSG_LENGTH(sizeof(req.xspi));
416 req.n.nlmsg_flags = NLM_F_REQUEST;
417 req.n.nlmsg_type = XFRM_MSG_ALLOCSPI;
418 req.xspi.info.family = preferred_family;
421 req.xsinfo.lft.soft_byte_limit = XFRM_INF;
422 req.xsinfo.lft.hard_byte_limit = XFRM_INF;
423 req.xsinfo.lft.soft_packet_limit = XFRM_INF;
424 req.xsinfo.lft.hard_packet_limit = XFRM_INF;
428 if (strcmp(*argv, "mode") == 0) {
430 xfrm_mode_parse(&req.xspi.info.mode, &argc, &argv);
431 } else if (strcmp(*argv, "reqid") == 0) {
433 xfrm_reqid_parse(&req.xspi.info.reqid, &argc, &argv);
434 } else if (strcmp(*argv, "seq") == 0) {
436 xfrm_seq_parse(&req.xspi.info.seq, &argc, &argv);
437 } else if (strcmp(*argv, "min") == 0) {
439 duparg("min", *argv);
444 if (get_u32(&req.xspi.min, *argv, 0))
445 invarg("\"min\" value is invalid", *argv);
446 } else if (strcmp(*argv, "max") == 0) {
448 duparg("max", *argv);
453 if (get_u32(&req.xspi.max, *argv, 0))
454 invarg("\"max\" value is invalid", *argv);
456 /* try to assume ID */
458 invarg("unknown", *argv);
462 xfrm_id_parse(&req.xspi.info.saddr, &req.xspi.info.id,
463 &req.xspi.info.family, 0, &argc, &argv);
464 if (req.xspi.info.id.spi) {
465 fprintf(stderr, "\"SPI\" must be zero\n");
468 if (preferred_family == AF_UNSPEC)
469 preferred_family = req.xspi.info.family;
475 fprintf(stderr, "Not enough information: \"ID\" is required\n");
481 fprintf(stderr, "\"max\" is missing\n");
484 if (req.xspi.min > req.xspi.max) {
485 fprintf(stderr, "\"min\" valie is larger than \"max\" one\n");
490 fprintf(stderr, "\"min\" is missing\n");
494 /* XXX: Default value defined in PF_KEY;
495 * See kernel's net/key/af_key.c(pfkey_getspi).
497 req.xspi.min = 0x100;
498 req.xspi.max = 0x0fffffff;
500 /* XXX: IPCOMP spi is 16-bits;
501 * See kernel's net/xfrm/xfrm_user(verify_userspi_info).
503 if (req.xspi.info.id.proto == IPPROTO_COMP)
504 req.xspi.max = 0xffff;
507 if (rtnl_open_byproto(&rth, 0, NETLINK_XFRM) < 0)
510 if (req.xspi.info.family == AF_UNSPEC)
511 req.xspi.info.family = AF_INET;
514 if (rtnl_talk(&rth, &req.n, 0, 0, res_n, NULL, NULL) < 0)
517 if (xfrm_state_print(NULL, res_n, (void*)stdout) < 0) {
518 fprintf(stderr, "An error :-)\n");
527 static int xfrm_state_filter_match(struct xfrm_usersa_info *xsinfo)
532 if (filter.id_src_mask)
533 if (xfrm_addr_match(&xsinfo->saddr, &filter.xsinfo.saddr,
536 if (filter.id_dst_mask)
537 if (xfrm_addr_match(&xsinfo->id.daddr, &filter.xsinfo.id.daddr,
540 if ((xsinfo->id.proto^filter.xsinfo.id.proto)&filter.id_proto_mask)
542 if ((xsinfo->id.spi^filter.xsinfo.id.spi)&filter.id_spi_mask)
544 if ((xsinfo->mode^filter.xsinfo.mode)&filter.mode_mask)
546 if ((xsinfo->reqid^filter.xsinfo.reqid)&filter.reqid_mask)
548 if (filter.state_flags_mask)
549 if ((xsinfo->flags & filter.xsinfo.flags) == 0)
555 int xfrm_state_print(const struct sockaddr_nl *who, struct nlmsghdr *n,
558 FILE *fp = (FILE*)arg;
559 struct rtattr * tb[XFRMA_MAX+1];
561 struct xfrm_usersa_info *xsinfo = NULL;
562 struct xfrm_user_expire *xexp = NULL;
563 struct xfrm_usersa_id *xsid = NULL;
564 int len = n->nlmsg_len;
566 if (n->nlmsg_type != XFRM_MSG_NEWSA &&
567 n->nlmsg_type != XFRM_MSG_DELSA &&
568 n->nlmsg_type != XFRM_MSG_UPDSA &&
569 n->nlmsg_type != XFRM_MSG_EXPIRE) {
570 fprintf(stderr, "Not a state: %08x %08x %08x\n",
571 n->nlmsg_len, n->nlmsg_type, n->nlmsg_flags);
575 if (n->nlmsg_type == XFRM_MSG_DELSA) {
576 /* Dont blame me for this .. Herbert made me do it */
577 xsid = NLMSG_DATA(n);
578 len -= NLMSG_LENGTH(sizeof(*xsid));
579 } else if (n->nlmsg_type == XFRM_MSG_EXPIRE) {
580 xexp = NLMSG_DATA(n);
581 xsinfo = &xexp->state;
582 len -= NLMSG_LENGTH(sizeof(*xexp));
585 xsinfo = NLMSG_DATA(n);
586 len -= NLMSG_LENGTH(sizeof(*xsinfo));
590 fprintf(stderr, "BUG: wrong nlmsg len %d\n", len);
594 if (xsinfo && !xfrm_state_filter_match(xsinfo))
597 if (n->nlmsg_type == XFRM_MSG_DELSA)
598 fprintf(fp, "Deleted ");
599 else if (n->nlmsg_type == XFRM_MSG_UPDSA)
600 fprintf(fp, "Updated ");
601 else if (n->nlmsg_type == XFRM_MSG_EXPIRE)
602 fprintf(fp, "Expired ");
604 if (n->nlmsg_type == XFRM_MSG_DELSA)
605 rta = XFRMSID_RTA(xsid);
606 else if (n->nlmsg_type == XFRM_MSG_EXPIRE)
607 rta = XFRMEXP_RTA(xexp);
609 rta = XFRMS_RTA(xsinfo);
611 parse_rtattr(tb, XFRMA_MAX, rta, len);
613 if (n->nlmsg_type == XFRM_MSG_DELSA) {
614 //xfrm_policy_id_print();
617 fprintf(stderr, "Buggy XFRM_MSG_DELSA: no XFRMA_SA\n");
620 if (RTA_PAYLOAD(tb[XFRMA_SA]) < sizeof(*xsinfo)) {
621 fprintf(stderr, "Buggy XFRM_MSG_DELPOLICY: too short XFRMA_POLICY len\n");
624 xsinfo = (struct xfrm_usersa_info *)RTA_DATA(tb[XFRMA_SA]);
627 xfrm_state_info_print(xsinfo, tb, fp, NULL, NULL);
629 if (n->nlmsg_type == XFRM_MSG_EXPIRE) {
631 fprintf(fp, "hard %u", xexp->hard);
632 fprintf(fp, "%s", _SL_);
642 static int xfrm_state_get_or_delete(int argc, char **argv, int delete)
644 struct rtnl_handle rth;
647 struct xfrm_usersa_id xsid;
652 memset(&req, 0, sizeof(req));
654 req.n.nlmsg_len = NLMSG_LENGTH(sizeof(req.xsid));
655 req.n.nlmsg_flags = NLM_F_REQUEST;
656 req.n.nlmsg_type = delete ? XFRM_MSG_DELSA : XFRM_MSG_GETSA;
657 req.xsid.family = preferred_family;
661 * XXX: Source address is not used and ignore it to follow
662 * XXX: a manner of setkey e.g. in the case of deleting/getting
663 * XXX: message of IPsec SA.
665 xfrm_address_t ignore_saddr;
668 invarg("unknown", *argv);
672 memset(&id, 0, sizeof(id));
673 xfrm_id_parse(&ignore_saddr, &id, &req.xsid.family, 0,
676 memcpy(&req.xsid.daddr, &id.daddr, sizeof(req.xsid.daddr));
677 req.xsid.spi = id.spi;
678 req.xsid.proto = id.proto;
683 if (rtnl_open_byproto(&rth, 0, NETLINK_XFRM) < 0)
686 if (req.xsid.family == AF_UNSPEC)
687 req.xsid.family = AF_INET;
690 if (rtnl_talk(&rth, &req.n, 0, 0, NULL, NULL, NULL) < 0)
693 char buf[NLMSG_BUF_SIZE];
694 struct nlmsghdr *res_n = (struct nlmsghdr *)buf;
696 memset(buf, 0, sizeof(buf));
698 if (rtnl_talk(&rth, &req.n, 0, 0, res_n, NULL, NULL) < 0)
701 if (xfrm_state_print(NULL, res_n, (void*)stdout) < 0) {
702 fprintf(stderr, "An error :-)\n");
713 * With an existing state of nlmsg, make new nlmsg for deleting the state
714 * and store it to buffer.
716 static int xfrm_state_keep(const struct sockaddr_nl *who,
720 struct xfrm_buffer *xb = (struct xfrm_buffer *)arg;
721 struct rtnl_handle *rth = xb->rth;
722 struct xfrm_usersa_info *xsinfo = NLMSG_DATA(n);
723 int len = n->nlmsg_len;
724 struct nlmsghdr *new_n;
725 struct xfrm_usersa_id *xsid;
727 if (n->nlmsg_type != XFRM_MSG_NEWSA) {
728 fprintf(stderr, "Not a state: %08x %08x %08x\n",
729 n->nlmsg_len, n->nlmsg_type, n->nlmsg_flags);
733 len -= NLMSG_LENGTH(sizeof(*xsinfo));
735 fprintf(stderr, "BUG: wrong nlmsg len %d\n", len);
739 if (!xfrm_state_filter_match(xsinfo))
742 if (xb->offset > xb->size) {
743 fprintf(stderr, "State buffer overflow\n");
747 new_n = (struct nlmsghdr *)(xb->buf + xb->offset);
748 new_n->nlmsg_len = NLMSG_LENGTH(sizeof(*xsid));
749 new_n->nlmsg_flags = NLM_F_REQUEST;
750 new_n->nlmsg_type = XFRM_MSG_DELSA;
751 new_n->nlmsg_seq = ++rth->seq;
753 xsid = NLMSG_DATA(new_n);
754 xsid->family = xsinfo->family;
755 memcpy(&xsid->daddr, &xsinfo->id.daddr, sizeof(xsid->daddr));
756 xsid->spi = xsinfo->id.spi;
757 xsid->proto = xsinfo->id.proto;
759 xb->offset += new_n->nlmsg_len;
765 static int xfrm_state_list_or_deleteall(int argc, char **argv, int deleteall)
768 struct rtnl_handle rth;
772 filter.xsinfo.family = preferred_family;
775 if (strcmp(*argv, "mode") == 0) {
777 xfrm_mode_parse(&filter.xsinfo.mode, &argc, &argv);
779 filter.mode_mask = XFRM_FILTER_MASK_FULL;
781 } else if (strcmp(*argv, "reqid") == 0) {
783 xfrm_reqid_parse(&filter.xsinfo.reqid, &argc, &argv);
785 filter.reqid_mask = XFRM_FILTER_MASK_FULL;
787 } else if (strcmp(*argv, "flag") == 0) {
789 xfrm_state_flag_parse(&filter.xsinfo.flags, &argc, &argv);
791 filter.state_flags_mask = XFRM_FILTER_MASK_FULL;
795 invarg("unknown", *argv);
799 xfrm_id_parse(&filter.xsinfo.saddr, &filter.xsinfo.id,
800 &filter.xsinfo.family, 1, &argc, &argv);
801 if (preferred_family == AF_UNSPEC)
802 preferred_family = filter.xsinfo.family;
807 if (rtnl_open_byproto(&rth, 0, NETLINK_XFRM) < 0)
811 struct xfrm_buffer xb;
812 char buf[NLMSG_DELETEALL_BUF_SIZE];
816 xb.size = sizeof(buf);
824 fprintf(stderr, "Delete-all round = %d\n", i);
826 if (rtnl_wilddump_request(&rth, preferred_family, XFRM_MSG_GETSA) < 0) {
827 perror("Cannot send dump request");
831 if (rtnl_dump_filter(&rth, xfrm_state_keep, &xb, NULL, NULL) < 0) {
832 fprintf(stderr, "Delete-all terminated\n");
835 if (xb.nlmsg_count == 0) {
837 fprintf(stderr, "Delete-all completed\n");
841 if (rtnl_send(&rth, xb.buf, xb.offset) < 0) {
842 perror("Failed to send delete-all request\n");
846 fprintf(stderr, "Delete-all nlmsg count = %d\n", xb.nlmsg_count);
853 if (rtnl_wilddump_request(&rth, preferred_family, XFRM_MSG_GETSA) < 0) {
854 perror("Cannot send dump request");
858 if (rtnl_dump_filter(&rth, xfrm_state_print, stdout, NULL, NULL) < 0) {
859 fprintf(stderr, "Dump terminated\n");
869 static int xfrm_state_flush(int argc, char **argv)
871 struct rtnl_handle rth;
874 struct xfrm_usersa_flush xsf;
878 memset(&req, 0, sizeof(req));
880 req.n.nlmsg_len = NLMSG_LENGTH(sizeof(req.xsf));
881 req.n.nlmsg_flags = NLM_F_REQUEST;
882 req.n.nlmsg_type = XFRM_MSG_FLUSHSA;
883 req.xsf.proto = IPSEC_PROTO_ANY;
886 if (strcmp(*argv, "proto") == 0) {
890 duparg("proto", *argv);
895 ret = xfrm_xfrmproto_getbyname(*argv);
897 invarg("\"XFRM_PROTO\" is invalid", *argv);
899 req.xsf.proto = (__u8)ret;
901 invarg("unknown", *argv);
906 if (rtnl_open_byproto(&rth, 0, NETLINK_XFRM) < 0)
910 fprintf(stderr, "Flush state proto=%s\n",
911 (req.xsf.proto == IPSEC_PROTO_ANY) ? "any" :
912 strxf_xfrmproto(req.xsf.proto));
914 if (rtnl_talk(&rth, &req.n, 0, 0, NULL, NULL, NULL) < 0)
922 int do_xfrm_state(int argc, char **argv)
925 return xfrm_state_list_or_deleteall(0, NULL, 0);
927 if (matches(*argv, "add") == 0)
928 return xfrm_state_modify(XFRM_MSG_NEWSA, 0,
930 if (matches(*argv, "update") == 0)
931 return xfrm_state_modify(XFRM_MSG_UPDSA, 0,
933 if (matches(*argv, "allocspi") == 0)
934 return xfrm_state_allocspi(argc-1, argv+1);
935 if (matches(*argv, "delete") == 0)
936 return xfrm_state_get_or_delete(argc-1, argv+1, 1);
937 if (matches(*argv, "deleteall") == 0 || matches(*argv, "delall") == 0)
938 return xfrm_state_list_or_deleteall(argc-1, argv+1, 1);
939 if (matches(*argv, "list") == 0 || matches(*argv, "show") == 0
940 || matches(*argv, "lst") == 0)
941 return xfrm_state_list_or_deleteall(argc-1, argv+1, 0);
942 if (matches(*argv, "get") == 0)
943 return xfrm_state_get_or_delete(argc-1, argv+1, 0);
944 if (matches(*argv, "flush") == 0)
945 return xfrm_state_flush(argc-1, argv+1);
946 if (matches(*argv, "help") == 0)
948 fprintf(stderr, "Command \"%s\" is unknown, try \"ip xfrm state help\".\n", *argv);