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_FLUSH_BUF_SIZE (4096-512)
38 #define NLMSG_FLUSH_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 { flush | list } [ ID ] [ mode MODE ] [ reqid REQID ]\n");
65 fprintf(stderr
, " [ flag FLAG_LIST ]\n");
67 fprintf(stderr
, "ID := [ src ADDR ] [ dst ADDR ] [ proto XFRM_PROTO ] [ spi SPI ]\n");
68 //fprintf(stderr, "XFRM_PROTO := [ esp | ah | comp ]\n");
69 fprintf(stderr
, "XFRM_PROTO := [ ");
70 fprintf(stderr
, "%s | ", strxf_xfrmproto(IPPROTO_ESP
));
71 fprintf(stderr
, "%s | ", strxf_xfrmproto(IPPROTO_AH
));
72 fprintf(stderr
, "%s ", strxf_xfrmproto(IPPROTO_COMP
));
73 fprintf(stderr
, "]\n");
75 //fprintf(stderr, "SPI - security parameter index(default=0)\n");
77 fprintf(stderr
, "MODE := [ transport | tunnel ](default=transport)\n");
78 //fprintf(stderr, "REQID - number(default=0)\n");
80 fprintf(stderr
, "FLAG-LIST := [ FLAG-LIST ] FLAG\n");
81 fprintf(stderr
, "FLAG := [ noecn | decap-dscp ]\n");
83 fprintf(stderr
, "ENCAP := ENCAP-TYPE SPORT DPORT OADDR\n");
84 fprintf(stderr
, "ENCAP-TYPE := espinudp | espinudp-nonike\n");
86 fprintf(stderr
, "ALGO-LIST := [ ALGO-LIST ] | [ ALGO ]\n");
87 fprintf(stderr
, "ALGO := ALGO_TYPE ALGO_NAME ALGO_KEY\n");
88 fprintf(stderr
, "ALGO_TYPE := [ ");
89 fprintf(stderr
, "%s | ", strxf_algotype(XFRMA_ALG_CRYPT
));
90 fprintf(stderr
, "%s | ", strxf_algotype(XFRMA_ALG_AUTH
));
91 fprintf(stderr
, "%s ", strxf_algotype(XFRMA_ALG_COMP
));
92 fprintf(stderr
, "]\n");
94 //fprintf(stderr, "ALGO_NAME - algorithm name\n");
95 //fprintf(stderr, "ALGO_KEY - algorithm key\n");
97 fprintf(stderr
, "SELECTOR := src ADDR[/PLEN] dst ADDR[/PLEN] [ UPSPEC ] [ dev DEV ]\n");
99 fprintf(stderr
, "UPSPEC := proto PROTO [ [ sport PORT ] [ dport PORT ] |\n");
100 fprintf(stderr
, " [ type NUMBER ] [ code NUMBER ] ]\n");
103 //fprintf(stderr, "DEV - device name(default=none)\n");
104 fprintf(stderr
, "LIMIT-LIST := [ LIMIT-LIST ] | [ limit LIMIT ]\n");
105 fprintf(stderr
, "LIMIT := [ [time-soft|time-hard|time-use-soft|time-use-hard] SECONDS ] |\n");
106 fprintf(stderr
, " [ [byte-soft|byte-hard] SIZE ] | [ [packet-soft|packet-hard] COUNT ]\n");
110 static int xfrm_algo_parse(struct xfrm_algo
*alg
, enum xfrm_attr_type_t type
,
111 char *name
, char *key
, int max
)
114 int slen
= strlen(key
);
117 /* XXX: verifying both name and key is required! */
118 fprintf(stderr
, "warning: ALGONAME/ALGOKEY will send to kernel promiscuously!(verifying them isn't implemented yet)\n");
121 strncpy(alg
->alg_name
, name
, sizeof(alg
->alg_name
));
123 if (slen
> 2 && strncmp(key
, "0x", 2) == 0) {
124 /* split two chars "0x" from the top */
130 /* Converting hexadecimal numbered string into real key;
131 * Convert each two chars into one char(value). If number
132 * of the length is odd, add zero on the top for rounding.
135 /* calculate length of the converted values(real key) */
136 len
= (plen
+ 1) / 2;
138 invarg("\"ALGOKEY\" makes buffer overflow\n", key
);
140 for (i
= - (plen
% 2), j
= 0; j
< len
; i
+= 2, j
++) {
144 vbuf
[0] = i
>= 0 ? p
[i
] : '0';
148 if (get_u8(&val
, vbuf
, 16))
149 invarg("\"ALGOKEY\" is invalid", key
);
151 alg
->alg_key
[j
] = val
;
157 invarg("\"ALGOKEY\" makes buffer overflow\n", key
);
159 strncpy(alg
->alg_key
, key
, len
);
163 alg
->alg_key_len
= len
* 8;
168 static int xfrm_seq_parse(__u32
*seq
, int *argcp
, char ***argvp
)
171 char **argv
= *argvp
;
173 if (get_u32(seq
, *argv
, 0))
174 invarg("\"SEQ\" is invalid", *argv
);
184 static int xfrm_state_flag_parse(__u8
*flags
, int *argcp
, char ***argvp
)
187 char **argv
= *argvp
;
188 int len
= strlen(*argv
);
190 if (len
> 2 && strncmp(*argv
, "0x", 2) == 0) {
193 if (get_u8(&val
, *argv
, 16))
194 invarg("\"FLAG\" is invalid", *argv
);
198 if (strcmp(*argv
, "noecn") == 0)
199 *flags
|= XFRM_STATE_NOECN
;
200 else if (strcmp(*argv
, "decap-dscp") == 0)
201 *flags
|= XFRM_STATE_DECAP_DSCP
;
203 PREV_ARG(); /* back track */
213 filter
.state_flags_mask
= XFRM_FILTER_MASK_FULL
;
221 static int xfrm_state_modify(int cmd
, unsigned flags
, int argc
, char **argv
)
223 struct rtnl_handle rth
;
226 struct xfrm_usersa_info xsinfo
;
227 char buf
[RTA_BUF_SIZE
];
234 memset(&req
, 0, sizeof(req
));
236 req
.n
.nlmsg_len
= NLMSG_LENGTH(sizeof(req
.xsinfo
));
237 req
.n
.nlmsg_flags
= NLM_F_REQUEST
|flags
;
238 req
.n
.nlmsg_type
= cmd
;
239 req
.xsinfo
.family
= preferred_family
;
241 req
.xsinfo
.lft
.soft_byte_limit
= XFRM_INF
;
242 req
.xsinfo
.lft
.hard_byte_limit
= XFRM_INF
;
243 req
.xsinfo
.lft
.soft_packet_limit
= XFRM_INF
;
244 req
.xsinfo
.lft
.hard_packet_limit
= XFRM_INF
;
247 if (strcmp(*argv
, "mode") == 0) {
249 xfrm_mode_parse(&req
.xsinfo
.mode
, &argc
, &argv
);
250 } else if (strcmp(*argv
, "reqid") == 0) {
252 xfrm_reqid_parse(&req
.xsinfo
.reqid
, &argc
, &argv
);
253 } else if (strcmp(*argv
, "seq") == 0) {
255 xfrm_seq_parse(&req
.xsinfo
.seq
, &argc
, &argv
);
256 } else if (strcmp(*argv
, "replay-window") == 0) {
258 if (get_u8(&req
.xsinfo
.replay_window
, *argv
, 0))
259 invarg("\"replay-window\" value is invalid", *argv
);
260 } else if (strcmp(*argv
, "flag") == 0) {
262 xfrm_state_flag_parse(&req
.xsinfo
.flags
, &argc
, &argv
);
263 } else if (strcmp(*argv
, "sel") == 0) {
265 xfrm_selector_parse(&req
.xsinfo
.sel
, &argc
, &argv
);
266 } else if (strcmp(*argv
, "limit") == 0) {
268 xfrm_lifetime_cfg_parse(&req
.xsinfo
.lft
, &argc
, &argv
);
269 } else if (strcmp(*argv
, "encap") == 0) {
270 struct xfrm_encap_tmpl encap
;
273 xfrm_encap_type_parse(&encap
.encap_type
, &argc
, &argv
);
275 if (get_u16(&encap
.encap_sport
, *argv
, 0))
276 invarg("\"encap\" sport value is invalid", *argv
);
277 encap
.encap_sport
= htons(encap
.encap_sport
);
279 if (get_u16(&encap
.encap_dport
, *argv
, 0))
280 invarg("\"encap\" dport value is invalid", *argv
);
281 encap
.encap_dport
= htons(encap
.encap_dport
);
283 get_addr(&oa
, *argv
, AF_UNSPEC
);
284 memcpy(&encap
.encap_oa
, &oa
.data
, sizeof(encap
.encap_oa
));
285 addattr_l(&req
.n
, sizeof(req
.buf
), XFRMA_ENCAP
,
286 (void *)&encap
, sizeof(encap
));
288 /* try to assume ALGO */
289 int type
= xfrm_algotype_getbyname(*argv
);
291 case XFRMA_ALG_CRYPT
:
297 struct xfrm_algo alg
;
298 char buf
[XFRM_ALGO_KEY_BUF_SIZE
];
305 case XFRMA_ALG_CRYPT
:
307 duparg("ALGOTYPE", *argv
);
312 duparg("ALGOTYPE", *argv
);
317 duparg("ALGOTYPE", *argv
);
322 invarg("\"ALGOTYPE\" is invalid\n", *argv
);
335 memset(&alg
, 0, sizeof(alg
));
337 xfrm_algo_parse((void *)&alg
, type
, name
, key
,
339 len
= sizeof(struct xfrm_algo
) + alg
.alg
.alg_key_len
;
341 addattr_l(&req
.n
, sizeof(req
.buf
), type
,
346 /* try to assume ID */
348 invarg("unknown", *argv
);
352 xfrm_id_parse(&req
.xsinfo
.saddr
, &req
.xsinfo
.id
,
353 &req
.xsinfo
.family
, 0, &argc
, &argv
);
354 if (preferred_family
== AF_UNSPEC
)
355 preferred_family
= req
.xsinfo
.family
;
362 fprintf(stderr
, "Not enough information: \"ID\" is required\n");
366 if (ealgop
|| aalgop
|| calgop
) {
367 if (req
.xsinfo
.id
.proto
!= IPPROTO_ESP
&&
368 req
.xsinfo
.id
.proto
!= IPPROTO_AH
&&
369 req
.xsinfo
.id
.proto
!= IPPROTO_COMP
) {
370 fprintf(stderr
, "\"ALGO\" is invalid with proto=%s\n", strxf_xfrmproto(req
.xsinfo
.id
.proto
));
374 if (req
.xsinfo
.id
.proto
== IPPROTO_ESP
||
375 req
.xsinfo
.id
.proto
== IPPROTO_AH
||
376 req
.xsinfo
.id
.proto
== IPPROTO_COMP
) {
377 fprintf(stderr
, "\"ALGO\" is required with proto=%s\n", strxf_xfrmproto(req
.xsinfo
.id
.proto
));
382 if (rtnl_open_byproto(&rth
, 0, NETLINK_XFRM
) < 0)
385 if (req
.xsinfo
.family
== AF_UNSPEC
)
386 req
.xsinfo
.family
= AF_INET
;
388 if (rtnl_talk(&rth
, &req
.n
, 0, 0, NULL
, NULL
, NULL
) < 0)
396 static int xfrm_state_allocspi(int argc
, char **argv
)
398 struct rtnl_handle rth
;
401 struct xfrm_userspi_info xspi
;
402 char buf
[RTA_BUF_SIZE
];
407 char res_buf
[NLMSG_BUF_SIZE
];
408 struct nlmsghdr
*res_n
= (struct nlmsghdr
*)res_buf
;
410 memset(res_buf
, 0, sizeof(res_buf
));
412 memset(&req
, 0, sizeof(req
));
414 req
.n
.nlmsg_len
= NLMSG_LENGTH(sizeof(req
.xspi
));
415 req
.n
.nlmsg_flags
= NLM_F_REQUEST
;
416 req
.n
.nlmsg_type
= XFRM_MSG_ALLOCSPI
;
417 req
.xspi
.info
.family
= preferred_family
;
420 req
.xsinfo
.lft
.soft_byte_limit
= XFRM_INF
;
421 req
.xsinfo
.lft
.hard_byte_limit
= XFRM_INF
;
422 req
.xsinfo
.lft
.soft_packet_limit
= XFRM_INF
;
423 req
.xsinfo
.lft
.hard_packet_limit
= XFRM_INF
;
427 if (strcmp(*argv
, "mode") == 0) {
429 xfrm_mode_parse(&req
.xspi
.info
.mode
, &argc
, &argv
);
430 } else if (strcmp(*argv
, "reqid") == 0) {
432 xfrm_reqid_parse(&req
.xspi
.info
.reqid
, &argc
, &argv
);
433 } else if (strcmp(*argv
, "seq") == 0) {
435 xfrm_seq_parse(&req
.xspi
.info
.seq
, &argc
, &argv
);
436 } else if (strcmp(*argv
, "min") == 0) {
438 duparg("min", *argv
);
443 if (get_u32(&req
.xspi
.min
, *argv
, 0))
444 invarg("\"min\" value is invalid", *argv
);
445 } else if (strcmp(*argv
, "max") == 0) {
447 duparg("max", *argv
);
452 if (get_u32(&req
.xspi
.max
, *argv
, 0))
453 invarg("\"max\" value is invalid", *argv
);
455 /* try to assume ID */
457 invarg("unknown", *argv
);
461 xfrm_id_parse(&req
.xspi
.info
.saddr
, &req
.xspi
.info
.id
,
462 &req
.xspi
.info
.family
, 0, &argc
, &argv
);
463 if (req
.xspi
.info
.id
.spi
) {
464 fprintf(stderr
, "\"SPI\" must be zero\n");
467 if (preferred_family
== AF_UNSPEC
)
468 preferred_family
= req
.xspi
.info
.family
;
474 fprintf(stderr
, "Not enough information: \"ID\" is required\n");
480 fprintf(stderr
, "\"max\" is missing\n");
483 if (req
.xspi
.min
> req
.xspi
.max
) {
484 fprintf(stderr
, "\"min\" valie is larger than \"max\" one\n");
489 fprintf(stderr
, "\"min\" is missing\n");
493 /* XXX: Default value defined in PF_KEY;
494 * See kernel's net/key/af_key.c(pfkey_getspi).
496 req
.xspi
.min
= 0x100;
497 req
.xspi
.max
= 0x0fffffff;
499 /* XXX: IPCOMP spi is 16-bits;
500 * See kernel's net/xfrm/xfrm_user(verify_userspi_info).
502 if (req
.xspi
.info
.id
.proto
== IPPROTO_COMP
)
503 req
.xspi
.max
= 0xffff;
506 if (rtnl_open_byproto(&rth
, 0, NETLINK_XFRM
) < 0)
509 if (req
.xspi
.info
.family
== AF_UNSPEC
)
510 req
.xspi
.info
.family
= AF_INET
;
513 if (rtnl_talk(&rth
, &req
.n
, 0, 0, res_n
, NULL
, NULL
) < 0)
516 if (xfrm_state_print(NULL
, res_n
, (void*)stdout
) < 0) {
517 fprintf(stderr
, "An error :-)\n");
526 static int xfrm_state_filter_match(struct xfrm_usersa_info
*xsinfo
)
531 if (filter
.id_src_mask
)
532 if (xfrm_addr_match(&xsinfo
->saddr
, &filter
.xsinfo
.saddr
,
535 if (filter
.id_dst_mask
)
536 if (xfrm_addr_match(&xsinfo
->id
.daddr
, &filter
.xsinfo
.id
.daddr
,
539 if ((xsinfo
->id
.proto
^filter
.xsinfo
.id
.proto
)&filter
.id_proto_mask
)
541 if ((xsinfo
->id
.spi
^filter
.xsinfo
.id
.spi
)&filter
.id_spi_mask
)
543 if ((xsinfo
->mode
^filter
.xsinfo
.mode
)&filter
.mode_mask
)
545 if ((xsinfo
->reqid
^filter
.xsinfo
.reqid
)&filter
.reqid_mask
)
547 if (filter
.state_flags_mask
)
548 if ((xsinfo
->flags
& filter
.xsinfo
.flags
) == 0)
554 int xfrm_state_print(const struct sockaddr_nl
*who
, struct nlmsghdr
*n
,
557 FILE *fp
= (FILE*)arg
;
558 struct xfrm_usersa_info
*xsinfo
= NLMSG_DATA(n
);
559 int len
= n
->nlmsg_len
;
560 struct rtattr
* tb
[XFRMA_MAX
+1];
562 if (n
->nlmsg_type
!= XFRM_MSG_NEWSA
&&
563 n
->nlmsg_type
!= XFRM_MSG_DELSA
) {
564 fprintf(stderr
, "Not a state: %08x %08x %08x\n",
565 n
->nlmsg_len
, n
->nlmsg_type
, n
->nlmsg_flags
);
569 len
-= NLMSG_LENGTH(sizeof(*xsinfo
));
571 fprintf(stderr
, "BUG: wrong nlmsg len %d\n", len
);
575 if (!xfrm_state_filter_match(xsinfo
))
578 parse_rtattr(tb
, XFRMA_MAX
, XFRMS_RTA(xsinfo
), len
);
580 if (n
->nlmsg_type
== XFRM_MSG_DELSA
)
581 fprintf(fp
, "Deleted ");
583 xfrm_state_info_print(xsinfo
, tb
, fp
, NULL
, NULL
);
591 static int xfrm_state_get_or_delete(int argc
, char **argv
, int delete)
593 struct rtnl_handle rth
;
596 struct xfrm_usersa_id xsid
;
601 memset(&req
, 0, sizeof(req
));
603 req
.n
.nlmsg_len
= NLMSG_LENGTH(sizeof(req
.xsid
));
604 req
.n
.nlmsg_flags
= NLM_F_REQUEST
;
605 req
.n
.nlmsg_type
= delete ? XFRM_MSG_DELSA
: XFRM_MSG_GETSA
;
606 req
.xsid
.family
= preferred_family
;
610 * XXX: Source address is not used and ignore it to follow
611 * XXX: a manner of setkey e.g. in the case of deleting/getting
612 * XXX: message of IPsec SA.
614 xfrm_address_t ignore_saddr
;
617 invarg("unknown", *argv
);
621 memset(&id
, 0, sizeof(id
));
622 xfrm_id_parse(&ignore_saddr
, &id
, &req
.xsid
.family
, 0,
625 memcpy(&req
.xsid
.daddr
, &id
.daddr
, sizeof(req
.xsid
.daddr
));
626 req
.xsid
.spi
= id
.spi
;
627 req
.xsid
.proto
= id
.proto
;
632 if (rtnl_open_byproto(&rth
, 0, NETLINK_XFRM
) < 0)
635 if (req
.xsid
.family
== AF_UNSPEC
)
636 req
.xsid
.family
= AF_INET
;
639 if (rtnl_talk(&rth
, &req
.n
, 0, 0, NULL
, NULL
, NULL
) < 0)
642 char buf
[NLMSG_BUF_SIZE
];
643 struct nlmsghdr
*res_n
= (struct nlmsghdr
*)buf
;
645 memset(buf
, 0, sizeof(buf
));
647 if (rtnl_talk(&rth
, &req
.n
, 0, 0, res_n
, NULL
, NULL
) < 0)
650 if (xfrm_state_print(NULL
, res_n
, (void*)stdout
) < 0) {
651 fprintf(stderr
, "An error :-)\n");
662 * With an existing state of nlmsg, make new nlmsg for deleting the state
663 * and store it to buffer.
665 static int xfrm_state_keep(const struct sockaddr_nl
*who
,
669 struct xfrm_buffer
*xb
= (struct xfrm_buffer
*)arg
;
670 struct rtnl_handle
*rth
= xb
->rth
;
671 struct xfrm_usersa_info
*xsinfo
= NLMSG_DATA(n
);
672 int len
= n
->nlmsg_len
;
673 struct nlmsghdr
*new_n
;
674 struct xfrm_usersa_id
*xsid
;
676 if (n
->nlmsg_type
!= XFRM_MSG_NEWSA
) {
677 fprintf(stderr
, "Not a state: %08x %08x %08x\n",
678 n
->nlmsg_len
, n
->nlmsg_type
, n
->nlmsg_flags
);
682 len
-= NLMSG_LENGTH(sizeof(*xsinfo
));
684 fprintf(stderr
, "BUG: wrong nlmsg len %d\n", len
);
688 if (!xfrm_state_filter_match(xsinfo
))
691 if (xb
->offset
> xb
->size
) {
692 fprintf(stderr
, "Flush buffer overflow\n");
696 new_n
= (struct nlmsghdr
*)(xb
->buf
+ xb
->offset
);
697 new_n
->nlmsg_len
= NLMSG_LENGTH(sizeof(*xsid
));
698 new_n
->nlmsg_flags
= NLM_F_REQUEST
;
699 new_n
->nlmsg_type
= XFRM_MSG_DELSA
;
700 new_n
->nlmsg_seq
= ++rth
->seq
;
702 xsid
= NLMSG_DATA(new_n
);
703 xsid
->family
= xsinfo
->family
;
704 memcpy(&xsid
->daddr
, &xsinfo
->id
.daddr
, sizeof(xsid
->daddr
));
705 xsid
->spi
= xsinfo
->id
.spi
;
706 xsid
->proto
= xsinfo
->id
.proto
;
708 xb
->offset
+= new_n
->nlmsg_len
;
714 static int xfrm_state_list_or_flush(int argc
, char **argv
, int flush
)
717 struct rtnl_handle rth
;
721 filter
.xsinfo
.family
= preferred_family
;
724 if (strcmp(*argv
, "mode") == 0) {
726 xfrm_mode_parse(&filter
.xsinfo
.mode
, &argc
, &argv
);
728 filter
.mode_mask
= XFRM_FILTER_MASK_FULL
;
730 } else if (strcmp(*argv
, "reqid") == 0) {
732 xfrm_reqid_parse(&filter
.xsinfo
.reqid
, &argc
, &argv
);
734 filter
.reqid_mask
= XFRM_FILTER_MASK_FULL
;
736 } else if (strcmp(*argv
, "flag") == 0) {
738 xfrm_state_flag_parse(&filter
.xsinfo
.flags
, &argc
, &argv
);
740 filter
.state_flags_mask
= XFRM_FILTER_MASK_FULL
;
744 invarg("unknown", *argv
);
748 xfrm_id_parse(&filter
.xsinfo
.saddr
, &filter
.xsinfo
.id
,
749 &filter
.xsinfo
.family
, 1, &argc
, &argv
);
750 if (preferred_family
== AF_UNSPEC
)
751 preferred_family
= filter
.xsinfo
.family
;
756 if (rtnl_open_byproto(&rth
, 0, NETLINK_XFRM
) < 0)
760 struct xfrm_buffer xb
;
761 char buf
[NLMSG_FLUSH_BUF_SIZE
];
765 xb
.size
= sizeof(buf
);
773 fprintf(stderr
, "Flush round = %d\n", i
);
775 if (rtnl_wilddump_request(&rth
, preferred_family
, XFRM_MSG_GETSA
) < 0) {
776 perror("Cannot send dump request");
780 if (rtnl_dump_filter(&rth
, xfrm_state_keep
, &xb
, NULL
, NULL
) < 0) {
781 fprintf(stderr
, "Flush terminated\n");
784 if (xb
.nlmsg_count
== 0) {
786 fprintf(stderr
, "Flush completed\n");
790 if (rtnl_send(&rth
, xb
.buf
, xb
.offset
) < 0) {
791 perror("Failed to send flush request\n");
795 fprintf(stderr
, "Flushed nlmsg count = %d\n", xb
.nlmsg_count
);
802 if (rtnl_wilddump_request(&rth
, preferred_family
, XFRM_MSG_GETSA
) < 0) {
803 perror("Cannot send dump request");
807 if (rtnl_dump_filter(&rth
, xfrm_state_print
, stdout
, NULL
, NULL
) < 0) {
808 fprintf(stderr
, "Dump terminated\n");
818 static int xfrm_state_flush_all(void)
820 struct rtnl_handle rth
;
823 struct xfrm_usersa_flush xsf
;
826 memset(&req
, 0, sizeof(req
));
828 req
.n
.nlmsg_len
= NLMSG_LENGTH(sizeof(req
.xsf
));
829 req
.n
.nlmsg_flags
= NLM_F_REQUEST
;
830 req
.n
.nlmsg_type
= XFRM_MSG_FLUSHSA
;
831 req
.xsf
.proto
= IPSEC_PROTO_ANY
;
833 if (rtnl_open_byproto(&rth
, 0, NETLINK_XFRM
) < 0)
837 fprintf(stderr
, "Flush all\n");
839 if (rtnl_talk(&rth
, &req
.n
, 0, 0, NULL
, NULL
, NULL
) < 0)
847 int do_xfrm_state(int argc
, char **argv
)
850 return xfrm_state_list_or_flush(0, NULL
, 0);
852 if (matches(*argv
, "add") == 0)
853 return xfrm_state_modify(XFRM_MSG_NEWSA
, 0,
855 if (matches(*argv
, "update") == 0)
856 return xfrm_state_modify(XFRM_MSG_UPDSA
, 0,
858 if (matches(*argv
, "allocspi") == 0)
859 return xfrm_state_allocspi(argc
-1, argv
+1);
860 if (matches(*argv
, "delete") == 0 || matches(*argv
, "del") == 0)
861 return xfrm_state_get_or_delete(argc
-1, argv
+1, 1);
862 if (matches(*argv
, "list") == 0 || matches(*argv
, "show") == 0
863 || matches(*argv
, "lst") == 0)
864 return xfrm_state_list_or_flush(argc
-1, argv
+1, 0);
865 if (matches(*argv
, "get") == 0)
866 return xfrm_state_get_or_delete(argc
-1, argv
+1, 0);
867 if (matches(*argv
, "flush") == 0) {
869 return xfrm_state_flush_all();
871 return xfrm_state_list_or_flush(argc
-1, argv
+1, 1);
873 if (matches(*argv
, "help") == 0)
875 fprintf(stderr
, "Command \"%s\" is unknown, try \"ip xfrm state help\".\n", *argv
);