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, see <http://www.gnu.org/licenses>.
24 * Masahide NAKAMURA @USAGI
33 #include "ip_common.h"
35 /* #define NLMSG_DELETEALL_BUF_SIZE (4096-512) */
36 #define NLMSG_DELETEALL_BUF_SIZE 8192
39 * Receiving buffer defines:
41 * data = struct xfrm_usersa_info
44 * ... (max count of rtattr is XFRM_MAX+1
46 * each rtattr data = struct xfrm_algo(dynamic size) or xfrm_address_t
48 #define NLMSG_BUF_SIZE 4096
49 #define RTA_BUF_SIZE 2048
50 #define XFRM_ALGO_KEY_BUF_SIZE 512
51 #define CTX_BUF_SIZE 256
53 static void usage(void) __attribute__((noreturn
));
55 static void usage(void)
57 fprintf(stderr
, "Usage: ip xfrm state { add | update } ID [ ALGO-LIST ] [ mode MODE ]\n");
58 fprintf(stderr
, " [ mark MARK [ mask MASK ] ] [ reqid REQID ] [ seq SEQ ]\n");
59 fprintf(stderr
, " [ replay-window SIZE ] [ replay-seq SEQ ] [ replay-oseq SEQ ]\n");
60 fprintf(stderr
, " [ replay-seq-hi SEQ ] [ replay-oseq-hi SEQ ]\n");
61 fprintf(stderr
, " [ flag FLAG-LIST ] [ sel SELECTOR ] [ LIMIT-LIST ] [ encap ENCAP ]\n");
62 fprintf(stderr
, " [ coa ADDR[/PLEN] ] [ ctx CTX ] [ extra-flag EXTRA-FLAG-LIST ]\n");
63 fprintf(stderr
, " [ offload [dev DEV] dir DIR ]\n");
64 fprintf(stderr
, " [ output-mark OUTPUT-MARK ]\n");
65 fprintf(stderr
, "Usage: ip xfrm state allocspi ID [ mode MODE ] [ mark MARK [ mask MASK ] ]\n");
66 fprintf(stderr
, " [ reqid REQID ] [ seq SEQ ] [ min SPI max SPI ]\n");
67 fprintf(stderr
, "Usage: ip xfrm state { delete | get } ID [ mark MARK [ mask MASK ] ]\n");
68 fprintf(stderr
, "Usage: ip xfrm state deleteall [ ID ] [ mode MODE ] [ reqid REQID ]\n");
69 fprintf(stderr
, " [ flag FLAG-LIST ]\n");
70 fprintf(stderr
, "Usage: ip xfrm state list [ nokeys ] [ ID ] [ mode MODE ] [ reqid REQID ]\n");
71 fprintf(stderr
, " [ flag FLAG-LIST ]\n");
72 fprintf(stderr
, "Usage: ip xfrm state flush [ proto XFRM-PROTO ]\n");
73 fprintf(stderr
, "Usage: ip xfrm state count\n");
74 fprintf(stderr
, "ID := [ src ADDR ] [ dst ADDR ] [ proto XFRM-PROTO ] [ spi SPI ]\n");
75 fprintf(stderr
, "XFRM-PROTO := ");
76 fprintf(stderr
, "%s | ", strxf_xfrmproto(IPPROTO_ESP
));
77 fprintf(stderr
, "%s | ", strxf_xfrmproto(IPPROTO_AH
));
78 fprintf(stderr
, "%s | ", strxf_xfrmproto(IPPROTO_COMP
));
79 fprintf(stderr
, "%s | ", strxf_xfrmproto(IPPROTO_ROUTING
));
80 fprintf(stderr
, "%s\n", strxf_xfrmproto(IPPROTO_DSTOPTS
));
81 fprintf(stderr
, "ALGO-LIST := [ ALGO-LIST ] ALGO\n");
82 fprintf(stderr
, "ALGO := { ");
83 fprintf(stderr
, "%s | ", strxf_algotype(XFRMA_ALG_CRYPT
));
84 fprintf(stderr
, "%s", strxf_algotype(XFRMA_ALG_AUTH
));
85 fprintf(stderr
, " } ALGO-NAME ALGO-KEYMAT |\n");
86 fprintf(stderr
, " %s", strxf_algotype(XFRMA_ALG_AUTH_TRUNC
));
87 fprintf(stderr
, " ALGO-NAME ALGO-KEYMAT ALGO-TRUNC-LEN |\n");
88 fprintf(stderr
, " %s", strxf_algotype(XFRMA_ALG_AEAD
));
89 fprintf(stderr
, " ALGO-NAME ALGO-KEYMAT ALGO-ICV-LEN |\n");
90 fprintf(stderr
, " %s", strxf_algotype(XFRMA_ALG_COMP
));
91 fprintf(stderr
, " ALGO-NAME\n");
92 fprintf(stderr
, "MODE := transport | tunnel | beet | ro | in_trigger\n");
93 fprintf(stderr
, "FLAG-LIST := [ FLAG-LIST ] FLAG\n");
94 fprintf(stderr
, "FLAG := noecn | decap-dscp | nopmtudisc | wildrecv | icmp | af-unspec | align4 | esn\n");
95 fprintf(stderr
, "EXTRA-FLAG-LIST := [ EXTRA-FLAG-LIST ] EXTRA-FLAG\n");
96 fprintf(stderr
, "EXTRA-FLAG := dont-encap-dscp\n");
97 fprintf(stderr
, "SELECTOR := [ src ADDR[/PLEN] ] [ dst ADDR[/PLEN] ] [ dev DEV ] [ UPSPEC ]\n");
98 fprintf(stderr
, "UPSPEC := proto { { ");
99 fprintf(stderr
, "%s | ", strxf_proto(IPPROTO_TCP
));
100 fprintf(stderr
, "%s | ", strxf_proto(IPPROTO_UDP
));
101 fprintf(stderr
, "%s | ", strxf_proto(IPPROTO_SCTP
));
102 fprintf(stderr
, "%s", strxf_proto(IPPROTO_DCCP
));
103 fprintf(stderr
, " } [ sport PORT ] [ dport PORT ] |\n");
104 fprintf(stderr
, " { ");
105 fprintf(stderr
, "%s | ", strxf_proto(IPPROTO_ICMP
));
106 fprintf(stderr
, "%s | ", strxf_proto(IPPROTO_ICMPV6
));
107 fprintf(stderr
, "%s", strxf_proto(IPPROTO_MH
));
108 fprintf(stderr
, " } [ type NUMBER ] [ code NUMBER ] |\n");
109 fprintf(stderr
, " %s", strxf_proto(IPPROTO_GRE
));
110 fprintf(stderr
, " [ key { DOTTED-QUAD | NUMBER } ] | PROTO }\n");
111 fprintf(stderr
, "LIMIT-LIST := [ LIMIT-LIST ] limit LIMIT\n");
112 fprintf(stderr
, "LIMIT := { time-soft | time-hard | time-use-soft | time-use-hard } SECONDS |\n");
113 fprintf(stderr
, " { byte-soft | byte-hard } SIZE | { packet-soft | packet-hard } COUNT\n");
114 fprintf(stderr
, "ENCAP := { espinudp | espinudp-nonike } SPORT DPORT OADDR\n");
115 fprintf(stderr
, "DIR := in | out\n");
120 static int xfrm_algo_parse(struct xfrm_algo
*alg
, enum xfrm_attr_type_t type
,
121 char *name
, char *key
, char *buf
, int max
)
124 int slen
= strlen(key
);
127 /* XXX: verifying both name and key is required! */
128 fprintf(stderr
, "warning: ALGO-NAME/ALGO-KEYMAT values will be sent to the kernel promiscuously! (verifying them isn't implemented yet)\n");
131 strlcpy(alg
->alg_name
, name
, sizeof(alg
->alg_name
));
133 if (slen
> 2 && strncmp(key
, "0x", 2) == 0) {
134 /* split two chars "0x" from the top */
140 /* Converting hexadecimal numbered string into real key;
141 * Convert each two chars into one char(value). If number
142 * of the length is odd, add zero on the top for rounding.
145 /* calculate length of the converted values(real key) */
146 len
= (plen
+ 1) / 2;
148 invarg("ALGO-KEYMAT value makes buffer overflow\n", key
);
150 for (i
= -(plen
% 2), j
= 0; j
< len
; i
+= 2, j
++) {
154 vbuf
[0] = i
>= 0 ? p
[i
] : '0';
158 if (get_u8(&val
, vbuf
, 16))
159 invarg("ALGO-KEYMAT value is invalid", key
);
167 invarg("ALGO-KEYMAT value makes buffer overflow\n", key
);
169 memcpy(buf
, key
, len
);
173 alg
->alg_key_len
= len
* 8;
178 static int xfrm_seq_parse(__u32
*seq
, int *argcp
, char ***argvp
)
181 char **argv
= *argvp
;
183 if (get_be32(seq
, *argv
, 0))
184 invarg("SEQ value is invalid", *argv
);
192 static int xfrm_state_flag_parse(__u8
*flags
, int *argcp
, char ***argvp
)
195 char **argv
= *argvp
;
196 int len
= strlen(*argv
);
198 if (len
> 2 && strncmp(*argv
, "0x", 2) == 0) {
201 if (get_u8(&val
, *argv
, 16))
202 invarg("FLAG value is invalid", *argv
);
206 if (strcmp(*argv
, "noecn") == 0)
207 *flags
|= XFRM_STATE_NOECN
;
208 else if (strcmp(*argv
, "decap-dscp") == 0)
209 *flags
|= XFRM_STATE_DECAP_DSCP
;
210 else if (strcmp(*argv
, "nopmtudisc") == 0)
211 *flags
|= XFRM_STATE_NOPMTUDISC
;
212 else if (strcmp(*argv
, "wildrecv") == 0)
213 *flags
|= XFRM_STATE_WILDRECV
;
214 else if (strcmp(*argv
, "icmp") == 0)
215 *flags
|= XFRM_STATE_ICMP
;
216 else if (strcmp(*argv
, "af-unspec") == 0)
217 *flags
|= XFRM_STATE_AF_UNSPEC
;
218 else if (strcmp(*argv
, "align4") == 0)
219 *flags
|= XFRM_STATE_ALIGN4
;
220 else if (strcmp(*argv
, "esn") == 0)
221 *flags
|= XFRM_STATE_ESN
;
223 PREV_ARG(); /* back track */
239 static int xfrm_state_extra_flag_parse(__u32
*extra_flags
, int *argcp
, char ***argvp
)
242 char **argv
= *argvp
;
243 int len
= strlen(*argv
);
245 if (len
> 2 && strncmp(*argv
, "0x", 2) == 0) {
248 if (get_u32(&val
, *argv
, 16))
249 invarg("\"EXTRA-FLAG\" is invalid", *argv
);
253 if (strcmp(*argv
, "dont-encap-dscp") == 0)
254 *extra_flags
|= XFRM_SA_XFLAG_DONT_ENCAP_DSCP
;
256 PREV_ARG(); /* back track */
272 static int xfrm_offload_dir_parse(__u8
*dir
, int *argcp
, char ***argvp
)
275 char **argv
= *argvp
;
277 if (strcmp(*argv
, "in") == 0)
278 *dir
= XFRM_OFFLOAD_INBOUND
;
279 else if (strcmp(*argv
, "out") == 0)
282 invarg("DIR value is invalid", *argv
);
290 static int xfrm_state_modify(int cmd
, unsigned int flags
, int argc
, char **argv
)
292 struct rtnl_handle rth
;
295 struct xfrm_usersa_info xsinfo
;
296 char buf
[RTA_BUF_SIZE
];
298 .n
.nlmsg_len
= NLMSG_LENGTH(sizeof(req
.xsinfo
)),
299 .n
.nlmsg_flags
= NLM_F_REQUEST
| flags
,
301 .xsinfo
.family
= preferred_family
,
302 .xsinfo
.lft
.soft_byte_limit
= XFRM_INF
,
303 .xsinfo
.lft
.hard_byte_limit
= XFRM_INF
,
304 .xsinfo
.lft
.soft_packet_limit
= XFRM_INF
,
305 .xsinfo
.lft
.hard_packet_limit
= XFRM_INF
,
307 struct xfrm_replay_state replay
= {};
308 struct xfrm_replay_state_esn replay_esn
= {};
309 struct xfrm_user_offload xuo
= {};
310 unsigned int ifindex
= 0;
312 bool is_offload
= false;
313 __u32 replay_window
= 0;
314 __u32 seq
= 0, oseq
= 0, seq_hi
= 0, oseq_hi
= 0;
322 __u32 extra_flags
= 0;
323 struct xfrm_mark mark
= {0, 0};
325 struct xfrm_user_sec_ctx sctx
;
326 char str
[CTX_BUF_SIZE
];
328 __u32 output_mark
= 0;
331 if (strcmp(*argv
, "mode") == 0) {
333 xfrm_mode_parse(&req
.xsinfo
.mode
, &argc
, &argv
);
334 } else if (strcmp(*argv
, "mark") == 0) {
335 xfrm_parse_mark(&mark
, &argc
, &argv
);
336 } else if (strcmp(*argv
, "reqid") == 0) {
338 xfrm_reqid_parse(&req
.xsinfo
.reqid
, &argc
, &argv
);
339 } else if (strcmp(*argv
, "seq") == 0) {
341 xfrm_seq_parse(&req
.xsinfo
.seq
, &argc
, &argv
);
342 } else if (strcmp(*argv
, "replay-window") == 0) {
344 if (get_u32(&replay_window
, *argv
, 0))
345 invarg("value after \"replay-window\" is invalid", *argv
);
346 } else if (strcmp(*argv
, "replay-seq") == 0) {
348 if (get_u32(&seq
, *argv
, 0))
349 invarg("value after \"replay-seq\" is invalid", *argv
);
350 } else if (strcmp(*argv
, "replay-seq-hi") == 0) {
352 if (get_u32(&seq_hi
, *argv
, 0))
353 invarg("value after \"replay-seq-hi\" is invalid", *argv
);
354 } else if (strcmp(*argv
, "replay-oseq") == 0) {
356 if (get_u32(&oseq
, *argv
, 0))
357 invarg("value after \"replay-oseq\" is invalid", *argv
);
358 } else if (strcmp(*argv
, "replay-oseq-hi") == 0) {
360 if (get_u32(&oseq_hi
, *argv
, 0))
361 invarg("value after \"replay-oseq-hi\" is invalid", *argv
);
362 } else if (strcmp(*argv
, "flag") == 0) {
364 xfrm_state_flag_parse(&req
.xsinfo
.flags
, &argc
, &argv
);
365 } else if (strcmp(*argv
, "extra-flag") == 0) {
367 xfrm_state_extra_flag_parse(&extra_flags
, &argc
, &argv
);
368 } else if (strcmp(*argv
, "sel") == 0) {
370 preferred_family
= AF_UNSPEC
;
371 xfrm_selector_parse(&req
.xsinfo
.sel
, &argc
, &argv
);
372 preferred_family
= req
.xsinfo
.sel
.family
;
373 } else if (strcmp(*argv
, "limit") == 0) {
375 xfrm_lifetime_cfg_parse(&req
.xsinfo
.lft
, &argc
, &argv
);
376 } else if (strcmp(*argv
, "encap") == 0) {
377 struct xfrm_encap_tmpl encap
;
380 xfrm_encap_type_parse(&encap
.encap_type
, &argc
, &argv
);
382 if (get_be16(&encap
.encap_sport
, *argv
, 0))
383 invarg("SPORT value after \"encap\" is invalid", *argv
);
385 if (get_be16(&encap
.encap_dport
, *argv
, 0))
386 invarg("DPORT value after \"encap\" is invalid", *argv
);
388 get_addr(&oa
, *argv
, AF_UNSPEC
);
389 memcpy(&encap
.encap_oa
, &oa
.data
, sizeof(encap
.encap_oa
));
390 addattr_l(&req
.n
, sizeof(req
.buf
), XFRMA_ENCAP
,
391 (void *)&encap
, sizeof(encap
));
392 } else if (strcmp(*argv
, "coa") == 0) {
394 xfrm_address_t xcoa
= {};
397 duparg("coa", *argv
);
402 get_prefix(&coa
, *argv
, preferred_family
);
403 if (coa
.family
== AF_UNSPEC
)
404 invarg("value after \"coa\" has an unrecognized address family", *argv
);
405 if (coa
.bytelen
> sizeof(xcoa
))
406 invarg("value after \"coa\" is too large", *argv
);
408 memcpy(&xcoa
, &coa
.data
, coa
.bytelen
);
410 addattr_l(&req
.n
, sizeof(req
.buf
), XFRMA_COADDR
,
411 (void *)&xcoa
, sizeof(xcoa
));
412 } else if (strcmp(*argv
, "ctx") == 0) {
416 duparg("ctx", *argv
);
422 xfrm_sctx_parse((char *)&ctx
.str
, context
, &ctx
.sctx
);
423 addattr_l(&req
.n
, sizeof(req
.buf
), XFRMA_SEC_CTX
,
424 (void *)&ctx
, ctx
.sctx
.len
);
425 } else if (strcmp(*argv
, "offload") == 0) {
428 if (strcmp(*argv
, "dev") == 0) {
430 ifindex
= ll_name_to_index(*argv
);
432 invarg("value after \"offload dev\" is invalid", *argv
);
437 if (strcmp(*argv
, "dir") == 0) {
439 xfrm_offload_dir_parse(&dir
, &argc
, &argv
);
441 invarg("value after \"offload dir\" is invalid", *argv
);
444 } else if (strcmp(*argv
, "output-mark") == 0) {
446 if (get_u32(&output_mark
, *argv
, 0))
447 invarg("value after \"output-mark\" is invalid", *argv
);
449 /* try to assume ALGO */
450 int type
= xfrm_algotype_getbyname(*argv
);
454 case XFRMA_ALG_CRYPT
:
456 case XFRMA_ALG_AUTH_TRUNC
:
462 struct xfrm_algo alg
;
463 struct xfrm_algo_aead aead
;
464 struct xfrm_algo_auth auth
;
466 char buf
[XFRM_ALGO_KEY_BUF_SIZE
];
469 __u32 icvlen
, trunclen
;
476 if (ealgop
|| aalgop
|| aeadop
)
477 duparg("ALGO-TYPE", *argv
);
480 case XFRMA_ALG_CRYPT
:
481 if (ealgop
|| aeadop
)
482 duparg("ALGO-TYPE", *argv
);
486 case XFRMA_ALG_AUTH_TRUNC
:
487 if (aalgop
|| aeadop
)
488 duparg("ALGO-TYPE", *argv
);
493 duparg("ALGO-TYPE", *argv
);
498 invarg("ALGO-TYPE value is invalid\n", *argv
);
502 missarg("ALGO-NAME");
508 case XFRMA_ALG_CRYPT
:
510 case XFRMA_ALG_AUTH_TRUNC
:
512 missarg("ALGO-KEYMAT");
518 buf
= alg
.u
.alg
.alg_key
;
519 len
= sizeof(alg
.u
.alg
);
524 missarg("ALGO-ICV-LEN");
526 if (get_u32(&icvlen
, *argv
, 0))
527 invarg("ALGO-ICV-LEN value is invalid",
529 alg
.u
.aead
.alg_icv_len
= icvlen
;
531 buf
= alg
.u
.aead
.alg_key
;
532 len
= sizeof(alg
.u
.aead
);
534 case XFRMA_ALG_AUTH_TRUNC
:
536 missarg("ALGO-TRUNC-LEN");
538 if (get_u32(&trunclen
, *argv
, 0))
539 invarg("ALGO-TRUNC-LEN value is invalid",
541 alg
.u
.auth
.alg_trunc_len
= trunclen
;
543 buf
= alg
.u
.auth
.alg_key
;
544 len
= sizeof(alg
.u
.auth
);
548 xfrm_algo_parse((void *)&alg
, type
, name
, key
,
549 buf
, sizeof(alg
.buf
));
550 len
+= alg
.u
.alg
.alg_key_len
/ 8;
552 addattr_l(&req
.n
, sizeof(req
.buf
), type
,
557 /* try to assume ID */
559 invarg("unknown", *argv
);
563 xfrm_id_parse(&req
.xsinfo
.saddr
, &req
.xsinfo
.id
,
564 &req
.xsinfo
.family
, 0, &argc
, &argv
);
565 if (preferred_family
== AF_UNSPEC
)
566 preferred_family
= req
.xsinfo
.family
;
572 if (req
.xsinfo
.flags
& XFRM_STATE_ESN
&&
573 replay_window
== 0) {
574 fprintf(stderr
, "Error: esn flag set without replay-window.\n");
578 if (replay_window
> XFRMA_REPLAY_ESN_MAX
) {
580 "Error: replay-window (%u) > XFRMA_REPLAY_ESN_MAX (%u).\n",
581 replay_window
, XFRMA_REPLAY_ESN_MAX
);
586 xuo
.ifindex
= ifindex
;
588 addattr_l(&req
.n
, sizeof(req
.buf
), XFRMA_OFFLOAD_DEV
, &xuo
,
591 if (req
.xsinfo
.flags
& XFRM_STATE_ESN
||
592 replay_window
> (sizeof(replay
.bitmap
) * 8)) {
593 replay_esn
.seq
= seq
;
594 replay_esn
.oseq
= oseq
;
595 replay_esn
.seq_hi
= seq_hi
;
596 replay_esn
.oseq_hi
= oseq_hi
;
597 replay_esn
.replay_window
= replay_window
;
598 replay_esn
.bmp_len
= (replay_window
+ sizeof(__u32
) * 8 - 1) /
600 addattr_l(&req
.n
, sizeof(req
.buf
), XFRMA_REPLAY_ESN_VAL
,
601 &replay_esn
, sizeof(replay_esn
));
606 addattr_l(&req
.n
, sizeof(req
.buf
), XFRMA_REPLAY_VAL
,
607 &replay
, sizeof(replay
));
609 req
.xsinfo
.replay_window
= replay_window
;
613 addattr32(&req
.n
, sizeof(req
.buf
), XFRMA_SA_EXTRA_FLAGS
,
617 fprintf(stderr
, "Not enough information: ID is required\n");
622 int r
= addattr_l(&req
.n
, sizeof(req
.buf
), XFRMA_MARK
,
623 (void *)&mark
, sizeof(mark
));
625 fprintf(stderr
, "XFRMA_MARK failed\n");
630 if (xfrm_xfrmproto_is_ipsec(req
.xsinfo
.id
.proto
)) {
631 switch (req
.xsinfo
.mode
) {
632 case XFRM_MODE_TRANSPORT
:
633 case XFRM_MODE_TUNNEL
:
636 if (req
.xsinfo
.id
.proto
== IPPROTO_ESP
)
639 fprintf(stderr
, "MODE value is invalid with XFRM-PROTO value \"%s\"\n",
640 strxf_xfrmproto(req
.xsinfo
.id
.proto
));
644 switch (req
.xsinfo
.id
.proto
) {
647 fprintf(stderr
, "ALGO-TYPE value \"%s\" is invalid with XFRM-PROTO value \"%s\"\n",
648 strxf_algotype(XFRMA_ALG_COMP
),
649 strxf_xfrmproto(req
.xsinfo
.id
.proto
));
652 if (!ealgop
&& !aeadop
) {
653 fprintf(stderr
, "ALGO-TYPE value \"%s\" or \"%s\" is required with XFRM-PROTO value \"%s\"\n",
654 strxf_algotype(XFRMA_ALG_CRYPT
),
655 strxf_algotype(XFRMA_ALG_AEAD
),
656 strxf_xfrmproto(req
.xsinfo
.id
.proto
));
661 if (ealgop
|| aeadop
|| calgop
) {
662 fprintf(stderr
, "ALGO-TYPE values \"%s\", \"%s\", and \"%s\" are invalid with XFRM-PROTO value \"%s\"\n",
663 strxf_algotype(XFRMA_ALG_CRYPT
),
664 strxf_algotype(XFRMA_ALG_AEAD
),
665 strxf_algotype(XFRMA_ALG_COMP
),
666 strxf_xfrmproto(req
.xsinfo
.id
.proto
));
670 fprintf(stderr
, "ALGO-TYPE value \"%s\" or \"%s\" is required with XFRM-PROTO value \"%s\"\n",
671 strxf_algotype(XFRMA_ALG_AUTH
),
672 strxf_algotype(XFRMA_ALG_AUTH_TRUNC
),
673 strxf_xfrmproto(req
.xsinfo
.id
.proto
));
678 if (ealgop
|| aalgop
|| aeadop
) {
679 fprintf(stderr
, "ALGO-TYPE values \"%s\", \"%s\", \"%s\", and \"%s\" are invalid with XFRM-PROTO value \"%s\"\n",
680 strxf_algotype(XFRMA_ALG_CRYPT
),
681 strxf_algotype(XFRMA_ALG_AUTH
),
682 strxf_algotype(XFRMA_ALG_AUTH_TRUNC
),
683 strxf_algotype(XFRMA_ALG_AEAD
),
684 strxf_xfrmproto(req
.xsinfo
.id
.proto
));
688 fprintf(stderr
, "ALGO-TYPE value \"%s\" is required with XFRM-PROTO value \"%s\"\n",
689 strxf_algotype(XFRMA_ALG_COMP
),
690 strxf_xfrmproto(req
.xsinfo
.id
.proto
));
696 if (ealgop
|| aalgop
|| aeadop
|| calgop
) {
697 fprintf(stderr
, "ALGO is invalid with XFRM-PROTO value \"%s\"\n",
698 strxf_xfrmproto(req
.xsinfo
.id
.proto
));
703 if (xfrm_xfrmproto_is_ro(req
.xsinfo
.id
.proto
)) {
704 switch (req
.xsinfo
.mode
) {
705 case XFRM_MODE_ROUTEOPTIMIZATION
:
706 case XFRM_MODE_IN_TRIGGER
:
709 fprintf(stderr
, "\"mode\" is required with XFRM-PROTO value \"%s\"\n",
710 strxf_xfrmproto(req
.xsinfo
.id
.proto
));
713 fprintf(stderr
, "MODE value is invalid with XFRM-PROTO value \"%s\"\n",
714 strxf_xfrmproto(req
.xsinfo
.id
.proto
));
719 fprintf(stderr
, "\"coa\" is required with XFRM-PROTO value \"%s\"\n",
720 strxf_xfrmproto(req
.xsinfo
.id
.proto
));
725 fprintf(stderr
, "\"coa\" is invalid with XFRM-PROTO value \"%s\"\n",
726 strxf_xfrmproto(req
.xsinfo
.id
.proto
));
732 addattr32(&req
.n
, sizeof(req
.buf
), XFRMA_OUTPUT_MARK
, output_mark
);
734 if (rtnl_open_byproto(&rth
, 0, NETLINK_XFRM
) < 0)
737 if (req
.xsinfo
.family
== AF_UNSPEC
)
738 req
.xsinfo
.family
= AF_INET
;
740 if (rtnl_talk(&rth
, &req
.n
, NULL
) < 0)
748 static int xfrm_state_allocspi(int argc
, char **argv
)
750 struct rtnl_handle rth
;
753 struct xfrm_userspi_info xspi
;
754 char buf
[RTA_BUF_SIZE
];
756 .n
.nlmsg_len
= NLMSG_LENGTH(sizeof(req
.xspi
)),
757 .n
.nlmsg_flags
= NLM_F_REQUEST
,
758 .n
.nlmsg_type
= XFRM_MSG_ALLOCSPI
,
759 .xspi
.info
.family
= preferred_family
,
761 .xspi
.lft
.soft_byte_limit
= XFRM_INF
,
762 .xspi
.lft
.hard_byte_limit
= XFRM_INF
,
763 .xspi
.lft
.soft_packet_limit
= XFRM_INF
,
764 .xspi
.lft
.hard_packet_limit
= XFRM_INF
,
770 struct xfrm_mark mark
= {0, 0};
771 struct nlmsghdr
*answer
;
774 if (strcmp(*argv
, "mode") == 0) {
776 xfrm_mode_parse(&req
.xspi
.info
.mode
, &argc
, &argv
);
777 } else if (strcmp(*argv
, "mark") == 0) {
778 xfrm_parse_mark(&mark
, &argc
, &argv
);
779 } else if (strcmp(*argv
, "reqid") == 0) {
781 xfrm_reqid_parse(&req
.xspi
.info
.reqid
, &argc
, &argv
);
782 } else if (strcmp(*argv
, "seq") == 0) {
784 xfrm_seq_parse(&req
.xspi
.info
.seq
, &argc
, &argv
);
785 } else if (strcmp(*argv
, "min") == 0) {
787 duparg("min", *argv
);
792 if (get_u32(&req
.xspi
.min
, *argv
, 0))
793 invarg("value after \"min\" is invalid", *argv
);
794 } else if (strcmp(*argv
, "max") == 0) {
796 duparg("max", *argv
);
801 if (get_u32(&req
.xspi
.max
, *argv
, 0))
802 invarg("value after \"max\" is invalid", *argv
);
804 /* try to assume ID */
806 invarg("unknown", *argv
);
810 xfrm_id_parse(&req
.xspi
.info
.saddr
, &req
.xspi
.info
.id
,
811 &req
.xspi
.info
.family
, 0, &argc
, &argv
);
812 if (req
.xspi
.info
.id
.spi
) {
813 fprintf(stderr
, "\"spi\" is invalid\n");
816 if (preferred_family
== AF_UNSPEC
)
817 preferred_family
= req
.xspi
.info
.family
;
823 fprintf(stderr
, "Not enough information: ID is required\n");
829 fprintf(stderr
, "\"max\" is missing\n");
832 if (req
.xspi
.min
> req
.xspi
.max
) {
833 fprintf(stderr
, "value after \"min\" is larger than value after \"max\"\n");
838 fprintf(stderr
, "\"min\" is missing\n");
842 /* XXX: Default value defined in PF_KEY;
843 * See kernel's net/key/af_key.c(pfkey_getspi).
845 req
.xspi
.min
= 0x100;
846 req
.xspi
.max
= 0x0fffffff;
848 /* XXX: IPCOMP spi is 16-bits;
849 * See kernel's net/xfrm/xfrm_user(verify_userspi_info).
851 if (req
.xspi
.info
.id
.proto
== IPPROTO_COMP
)
852 req
.xspi
.max
= 0xffff;
855 if (mark
.m
& mark
.v
) {
856 int r
= addattr_l(&req
.n
, sizeof(req
.buf
), XFRMA_MARK
,
857 (void *)&mark
, sizeof(mark
));
859 fprintf(stderr
, "XFRMA_MARK failed\n");
864 if (rtnl_open_byproto(&rth
, 0, NETLINK_XFRM
) < 0)
867 if (req
.xspi
.info
.family
== AF_UNSPEC
)
868 req
.xspi
.info
.family
= AF_INET
;
871 if (rtnl_talk(&rth
, &req
.n
, &answer
) < 0)
874 if (xfrm_state_print(answer
, (void *)stdout
) < 0) {
875 fprintf(stderr
, "An error :-)\n");
885 static int xfrm_state_filter_match(struct xfrm_usersa_info
*xsinfo
)
890 if (filter
.id_src_mask
)
891 if (xfrm_addr_match(&xsinfo
->saddr
, &filter
.xsinfo
.saddr
,
894 if (filter
.id_dst_mask
)
895 if (xfrm_addr_match(&xsinfo
->id
.daddr
, &filter
.xsinfo
.id
.daddr
,
898 if ((xsinfo
->id
.proto
^filter
.xsinfo
.id
.proto
)&filter
.id_proto_mask
)
900 if ((xsinfo
->id
.spi
^filter
.xsinfo
.id
.spi
)&filter
.id_spi_mask
)
902 if ((xsinfo
->mode
^filter
.xsinfo
.mode
)&filter
.mode_mask
)
904 if ((xsinfo
->reqid
^filter
.xsinfo
.reqid
)&filter
.reqid_mask
)
906 if (filter
.state_flags_mask
)
907 if ((xsinfo
->flags
& filter
.xsinfo
.flags
) == 0)
913 static int __do_xfrm_state_print(struct nlmsghdr
*n
, void *arg
, bool nokeys
)
915 FILE *fp
= (FILE *)arg
;
916 struct rtattr
*tb
[XFRMA_MAX
+1];
918 struct xfrm_usersa_info
*xsinfo
= NULL
;
919 struct xfrm_user_expire
*xexp
= NULL
;
920 struct xfrm_usersa_id
*xsid
= NULL
;
921 int len
= n
->nlmsg_len
;
923 if (n
->nlmsg_type
!= XFRM_MSG_NEWSA
&&
924 n
->nlmsg_type
!= XFRM_MSG_DELSA
&&
925 n
->nlmsg_type
!= XFRM_MSG_UPDSA
&&
926 n
->nlmsg_type
!= XFRM_MSG_EXPIRE
) {
927 fprintf(stderr
, "Not a state: %08x %08x %08x\n",
928 n
->nlmsg_len
, n
->nlmsg_type
, n
->nlmsg_flags
);
932 if (n
->nlmsg_type
== XFRM_MSG_DELSA
) {
933 /* Don't blame me for this .. Herbert made me do it */
934 xsid
= NLMSG_DATA(n
);
935 len
-= NLMSG_SPACE(sizeof(*xsid
));
936 } else if (n
->nlmsg_type
== XFRM_MSG_EXPIRE
) {
937 xexp
= NLMSG_DATA(n
);
938 xsinfo
= &xexp
->state
;
939 len
-= NLMSG_SPACE(sizeof(*xexp
));
942 xsinfo
= NLMSG_DATA(n
);
943 len
-= NLMSG_SPACE(sizeof(*xsinfo
));
947 fprintf(stderr
, "BUG: wrong nlmsg len %d\n", len
);
951 if (xsinfo
&& !xfrm_state_filter_match(xsinfo
))
954 if (n
->nlmsg_type
== XFRM_MSG_DELSA
)
955 fprintf(fp
, "Deleted ");
956 else if (n
->nlmsg_type
== XFRM_MSG_UPDSA
)
957 fprintf(fp
, "Updated ");
958 else if (n
->nlmsg_type
== XFRM_MSG_EXPIRE
)
959 fprintf(fp
, "Expired ");
961 if (n
->nlmsg_type
== XFRM_MSG_DELSA
)
962 rta
= XFRMSID_RTA(xsid
);
963 else if (n
->nlmsg_type
== XFRM_MSG_EXPIRE
)
964 rta
= XFRMEXP_RTA(xexp
);
966 rta
= XFRMS_RTA(xsinfo
);
968 parse_rtattr(tb
, XFRMA_MAX
, rta
, len
);
970 if (n
->nlmsg_type
== XFRM_MSG_DELSA
) {
971 /* xfrm_policy_id_print(); */
974 fprintf(stderr
, "Buggy XFRM_MSG_DELSA: no XFRMA_SA\n");
977 if (RTA_PAYLOAD(tb
[XFRMA_SA
]) < sizeof(*xsinfo
)) {
978 fprintf(stderr
, "Buggy XFRM_MSG_DELPOLICY: too short XFRMA_POLICY len\n");
981 xsinfo
= RTA_DATA(tb
[XFRMA_SA
]);
984 xfrm_state_info_print(xsinfo
, tb
, fp
, NULL
, NULL
, nokeys
);
986 if (n
->nlmsg_type
== XFRM_MSG_EXPIRE
) {
988 fprintf(fp
, "hard %u", xexp
->hard
);
989 fprintf(fp
, "%s", _SL_
);
999 int xfrm_state_print(struct nlmsghdr
*n
, void *arg
)
1001 return __do_xfrm_state_print(n
, arg
, false);
1004 int xfrm_state_print_nokeys(struct nlmsghdr
*n
, void *arg
)
1006 return __do_xfrm_state_print(n
, arg
, true);
1009 static int xfrm_state_get_or_delete(int argc
, char **argv
, int delete)
1011 struct rtnl_handle rth
;
1014 struct xfrm_usersa_id xsid
;
1015 char buf
[RTA_BUF_SIZE
];
1017 .n
.nlmsg_len
= NLMSG_LENGTH(sizeof(req
.xsid
)),
1018 .n
.nlmsg_flags
= NLM_F_REQUEST
,
1019 .n
.nlmsg_type
= delete ? XFRM_MSG_DELSA
: XFRM_MSG_GETSA
,
1020 .xsid
.family
= preferred_family
,
1024 struct xfrm_mark mark
= {0, 0};
1027 xfrm_address_t saddr
;
1029 if (strcmp(*argv
, "mark") == 0) {
1030 xfrm_parse_mark(&mark
, &argc
, &argv
);
1033 invarg("unknown", *argv
);
1037 memset(&id
, 0, sizeof(id
));
1038 memset(&saddr
, 0, sizeof(saddr
));
1039 xfrm_id_parse(&saddr
, &id
, &req
.xsid
.family
, 0,
1042 memcpy(&req
.xsid
.daddr
, &id
.daddr
, sizeof(req
.xsid
.daddr
));
1043 req
.xsid
.spi
= id
.spi
;
1044 req
.xsid
.proto
= id
.proto
;
1046 addattr_l(&req
.n
, sizeof(req
.buf
), XFRMA_SRCADDR
,
1047 (void *)&saddr
, sizeof(saddr
));
1053 if (mark
.m
& mark
.v
) {
1054 int r
= addattr_l(&req
.n
, sizeof(req
.buf
), XFRMA_MARK
,
1055 (void *)&mark
, sizeof(mark
));
1057 fprintf(stderr
, "XFRMA_MARK failed\n");
1062 if (rtnl_open_byproto(&rth
, 0, NETLINK_XFRM
) < 0)
1065 if (req
.xsid
.family
== AF_UNSPEC
)
1066 req
.xsid
.family
= AF_INET
;
1069 if (rtnl_talk(&rth
, &req
.n
, NULL
) < 0)
1072 struct nlmsghdr
*answer
;
1074 if (rtnl_talk(&rth
, &req
.n
, &answer
) < 0)
1077 if (xfrm_state_print(answer
, (void *)stdout
) < 0) {
1078 fprintf(stderr
, "An error :-)\n");
1091 * With an existing state of nlmsg, make new nlmsg for deleting the state
1092 * and store it to buffer.
1094 static int xfrm_state_keep(struct nlmsghdr
*n
, void *arg
)
1096 struct xfrm_buffer
*xb
= (struct xfrm_buffer
*)arg
;
1097 struct rtnl_handle
*rth
= xb
->rth
;
1098 struct xfrm_usersa_info
*xsinfo
= NLMSG_DATA(n
);
1099 int len
= n
->nlmsg_len
;
1100 struct nlmsghdr
*new_n
;
1101 struct xfrm_usersa_id
*xsid
;
1102 struct rtattr
*tb
[XFRMA_MAX
+1];
1104 if (n
->nlmsg_type
!= XFRM_MSG_NEWSA
) {
1105 fprintf(stderr
, "Not a state: %08x %08x %08x\n",
1106 n
->nlmsg_len
, n
->nlmsg_type
, n
->nlmsg_flags
);
1110 len
-= NLMSG_LENGTH(sizeof(*xsinfo
));
1112 fprintf(stderr
, "BUG: wrong nlmsg len %d\n", len
);
1116 if (!xfrm_state_filter_match(xsinfo
))
1119 if (xb
->offset
> xb
->size
) {
1120 fprintf(stderr
, "State buffer overflow\n");
1124 new_n
= (struct nlmsghdr
*)(xb
->buf
+ xb
->offset
);
1125 new_n
->nlmsg_len
= NLMSG_LENGTH(sizeof(*xsid
));
1126 new_n
->nlmsg_flags
= NLM_F_REQUEST
;
1127 new_n
->nlmsg_type
= XFRM_MSG_DELSA
;
1128 new_n
->nlmsg_seq
= ++rth
->seq
;
1130 xsid
= NLMSG_DATA(new_n
);
1131 xsid
->family
= xsinfo
->family
;
1132 memcpy(&xsid
->daddr
, &xsinfo
->id
.daddr
, sizeof(xsid
->daddr
));
1133 xsid
->spi
= xsinfo
->id
.spi
;
1134 xsid
->proto
= xsinfo
->id
.proto
;
1136 addattr_l(new_n
, xb
->size
, XFRMA_SRCADDR
, &xsinfo
->saddr
,
1137 sizeof(xsid
->daddr
));
1139 parse_rtattr(tb
, XFRMA_MAX
, XFRMS_RTA(xsinfo
), len
);
1141 if (tb
[XFRMA_MARK
]) {
1142 int r
= addattr_l(new_n
, xb
->size
, XFRMA_MARK
,
1143 (void *)RTA_DATA(tb
[XFRMA_MARK
]), tb
[XFRMA_MARK
]->rta_len
);
1145 fprintf(stderr
, "%s: XFRMA_MARK failed\n", __func__
);
1150 xb
->offset
+= new_n
->nlmsg_len
;
1156 static int xfrm_state_list_or_deleteall(int argc
, char **argv
, int deleteall
)
1159 struct rtnl_handle rth
;
1160 bool nokeys
= false;
1164 filter
.xsinfo
.family
= preferred_family
;
1167 if (strcmp(*argv
, "nokeys") == 0) {
1169 } else if (strcmp(*argv
, "mode") == 0) {
1171 xfrm_mode_parse(&filter
.xsinfo
.mode
, &argc
, &argv
);
1173 filter
.mode_mask
= XFRM_FILTER_MASK_FULL
;
1175 } else if (strcmp(*argv
, "reqid") == 0) {
1177 xfrm_reqid_parse(&filter
.xsinfo
.reqid
, &argc
, &argv
);
1179 filter
.reqid_mask
= XFRM_FILTER_MASK_FULL
;
1181 } else if (strcmp(*argv
, "flag") == 0) {
1183 xfrm_state_flag_parse(&filter
.xsinfo
.flags
, &argc
, &argv
);
1185 filter
.state_flags_mask
= XFRM_FILTER_MASK_FULL
;
1189 invarg("unknown", *argv
);
1193 xfrm_id_parse(&filter
.xsinfo
.saddr
, &filter
.xsinfo
.id
,
1194 &filter
.xsinfo
.family
, 1, &argc
, &argv
);
1195 if (preferred_family
== AF_UNSPEC
)
1196 preferred_family
= filter
.xsinfo
.family
;
1201 if (rtnl_open_byproto(&rth
, 0, NETLINK_XFRM
) < 0)
1205 struct xfrm_buffer xb
;
1206 char buf
[NLMSG_DELETEALL_BUF_SIZE
];
1210 xb
.size
= sizeof(buf
);
1213 for (i
= 0; ; i
++) {
1216 char buf
[NLMSG_BUF_SIZE
];
1218 .n
.nlmsg_len
= NLMSG_HDRLEN
,
1219 .n
.nlmsg_flags
= NLM_F_DUMP
| NLM_F_REQUEST
,
1220 .n
.nlmsg_type
= XFRM_MSG_GETSA
,
1221 .n
.nlmsg_seq
= rth
.dump
= ++rth
.seq
,
1228 fprintf(stderr
, "Delete-all round = %d\n", i
);
1230 if (rtnl_send(&rth
, (void *)&req
, req
.n
.nlmsg_len
) < 0) {
1231 perror("Cannot send dump request");
1235 if (rtnl_dump_filter(&rth
, xfrm_state_keep
, &xb
) < 0) {
1236 fprintf(stderr
, "Delete-all terminated\n");
1239 if (xb
.nlmsg_count
== 0) {
1241 fprintf(stderr
, "Delete-all completed\n");
1245 if (rtnl_send_check(&rth
, xb
.buf
, xb
.offset
) < 0) {
1246 perror("Failed to send delete-all request\n");
1250 fprintf(stderr
, "Delete-all nlmsg count = %d\n", xb
.nlmsg_count
);
1257 struct xfrm_address_filter addrfilter
= {
1258 .saddr
= filter
.xsinfo
.saddr
,
1259 .daddr
= filter
.xsinfo
.id
.daddr
,
1260 .family
= filter
.xsinfo
.family
,
1261 .splen
= filter
.id_src_mask
,
1262 .dplen
= filter
.id_dst_mask
,
1266 char buf
[NLMSG_BUF_SIZE
];
1268 .n
.nlmsg_len
= NLMSG_HDRLEN
,
1269 .n
.nlmsg_flags
= NLM_F_DUMP
| NLM_F_REQUEST
,
1270 .n
.nlmsg_type
= XFRM_MSG_GETSA
,
1271 .n
.nlmsg_seq
= rth
.dump
= ++rth
.seq
,
1274 if (filter
.xsinfo
.id
.proto
)
1275 addattr8(&req
.n
, sizeof(req
), XFRMA_PROTO
,
1276 filter
.xsinfo
.id
.proto
);
1277 addattr_l(&req
.n
, sizeof(req
), XFRMA_ADDRESS_FILTER
,
1278 &addrfilter
, sizeof(addrfilter
));
1280 if (rtnl_send(&rth
, (void *)&req
, req
.n
.nlmsg_len
) < 0) {
1281 perror("Cannot send dump request");
1285 rtnl_filter_t filter
= nokeys
?
1286 xfrm_state_print_nokeys
: xfrm_state_print
;
1287 if (rtnl_dump_filter(&rth
, filter
, stdout
) < 0) {
1288 fprintf(stderr
, "Dump terminated\n");
1298 static int print_sadinfo(struct nlmsghdr
*n
, void *arg
)
1300 FILE *fp
= (FILE *)arg
;
1301 __u32
*f
= NLMSG_DATA(n
);
1302 struct rtattr
*tb
[XFRMA_SAD_MAX
+1];
1304 int len
= n
->nlmsg_len
;
1306 len
-= NLMSG_LENGTH(sizeof(__u32
));
1308 fprintf(stderr
, "SADinfo: Wrong len %d\n", len
);
1312 rta
= XFRMSAPD_RTA(f
);
1313 parse_rtattr(tb
, XFRMA_SAD_MAX
, rta
, len
);
1315 if (tb
[XFRMA_SAD_CNT
]) {
1318 fprintf(fp
, "\t SAD");
1319 cnt
= rta_getattr_u32(tb
[XFRMA_SAD_CNT
]);
1320 fprintf(fp
, " count %u", cnt
);
1322 fprintf(fp
, "BAD SAD info returned\n");
1327 if (tb
[XFRMA_SAD_HINFO
]) {
1328 struct xfrmu_sadhinfo
*si
;
1330 if (RTA_PAYLOAD(tb
[XFRMA_SAD_HINFO
]) < sizeof(*si
)) {
1331 fprintf(fp
, "BAD SAD length returned\n");
1335 si
= RTA_DATA(tb
[XFRMA_SAD_HINFO
]);
1336 fprintf(fp
, " (buckets ");
1337 fprintf(fp
, "count %d", si
->sadhcnt
);
1338 fprintf(fp
, " Max %d", si
->sadhmcnt
);
1347 static int xfrm_sad_getinfo(int argc
, char **argv
)
1349 struct rtnl_handle rth
;
1354 .n
.nlmsg_len
= NLMSG_LENGTH(sizeof(req
.flags
)),
1355 .n
.nlmsg_flags
= NLM_F_REQUEST
,
1356 .n
.nlmsg_type
= XFRM_MSG_GETSADINFO
,
1357 .flags
= 0XFFFFFFFF,
1359 struct nlmsghdr
*answer
;
1361 if (rtnl_open_byproto(&rth
, 0, NETLINK_XFRM
) < 0)
1364 if (rtnl_talk(&rth
, &req
.n
, &answer
) < 0)
1367 print_sadinfo(answer
, (void *)stdout
);
1375 static int xfrm_state_flush(int argc
, char **argv
)
1377 struct rtnl_handle rth
;
1380 struct xfrm_usersa_flush xsf
;
1382 .n
.nlmsg_len
= NLMSG_LENGTH(sizeof(req
.xsf
)),
1383 .n
.nlmsg_flags
= NLM_F_REQUEST
,
1384 .n
.nlmsg_type
= XFRM_MSG_FLUSHSA
,
1386 char *protop
= NULL
;
1389 if (strcmp(*argv
, "proto") == 0) {
1393 duparg("proto", *argv
);
1398 ret
= xfrm_xfrmproto_getbyname(*argv
);
1400 invarg("XFRM-PROTO value is invalid", *argv
);
1402 req
.xsf
.proto
= (__u8
)ret
;
1404 invarg("unknown", *argv
);
1409 if (rtnl_open_byproto(&rth
, 0, NETLINK_XFRM
) < 0)
1413 fprintf(stderr
, "Flush state with XFRM-PROTO value \"%s\"\n",
1414 strxf_xfrmproto(req
.xsf
.proto
));
1416 if (rtnl_talk(&rth
, &req
.n
, NULL
) < 0)
1424 int do_xfrm_state(int argc
, char **argv
)
1427 return xfrm_state_list_or_deleteall(0, NULL
, 0);
1429 if (matches(*argv
, "add") == 0)
1430 return xfrm_state_modify(XFRM_MSG_NEWSA
, 0,
1432 if (matches(*argv
, "update") == 0)
1433 return xfrm_state_modify(XFRM_MSG_UPDSA
, 0,
1435 if (matches(*argv
, "allocspi") == 0)
1436 return xfrm_state_allocspi(argc
-1, argv
+1);
1437 if (matches(*argv
, "delete") == 0)
1438 return xfrm_state_get_or_delete(argc
-1, argv
+1, 1);
1439 if (matches(*argv
, "deleteall") == 0 || matches(*argv
, "delall") == 0)
1440 return xfrm_state_list_or_deleteall(argc
-1, argv
+1, 1);
1441 if (matches(*argv
, "list") == 0 || matches(*argv
, "show") == 0
1442 || matches(*argv
, "lst") == 0)
1443 return xfrm_state_list_or_deleteall(argc
-1, argv
+1, 0);
1444 if (matches(*argv
, "get") == 0)
1445 return xfrm_state_get_or_delete(argc
-1, argv
+1, 0);
1446 if (matches(*argv
, "flush") == 0)
1447 return xfrm_state_flush(argc
-1, argv
+1);
1448 if (matches(*argv
, "count") == 0) {
1449 return xfrm_sad_getinfo(argc
, argv
);
1451 if (matches(*argv
, "help") == 0)
1453 fprintf(stderr
, "Command \"%s\" is unknown, try \"ip xfrm state help\".\n", *argv
);