X-Git-Url: http://git.onelab.eu/?p=iproute2.git;a=blobdiff_plain;f=ip%2Fxfrm_policy.c;fp=ip%2Fxfrm_policy.c;h=0000000000000000000000000000000000000000;hp=433b5136b4782dfb56a4d8e1bbd0c97b891431bc;hb=3331a68859fd71047bb1f309048960b48eab2d83;hpb=2bd4a72f2100be7ad7d9518cb1d49bb2a5b71994 diff --git a/ip/xfrm_policy.c b/ip/xfrm_policy.c deleted file mode 100644 index 433b513..0000000 --- a/ip/xfrm_policy.c +++ /dev/null @@ -1,738 +0,0 @@ -/* $USAGI: $ */ - -/* - * Copyright (C)2004 USAGI/WIDE Project - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - */ -/* - * based on iproute.c - */ -/* - * Authors: - * Masahide NAKAMURA @USAGI - */ - -#include -#include -#include -#include -#include -#include -#include "utils.h" -#include "xfrm.h" -#include "ip_common.h" - -//#define NLMSG_DELETEALL_BUF_SIZE (4096-512) -#define NLMSG_DELETEALL_BUF_SIZE 8192 - -/* - * Receiving buffer defines: - * nlmsg - * data = struct xfrm_userpolicy_info - * rtattr - * data = struct xfrm_user_tmpl[] - */ -#define NLMSG_BUF_SIZE 4096 -#define RTA_BUF_SIZE 2048 -#define XFRM_TMPLS_BUF_SIZE 1024 - -static void usage(void) __attribute__((noreturn)); - -static void usage(void) -{ - fprintf(stderr, "Usage: ip xfrm policy { add | update } dir DIR SELECTOR [ index INDEX ] \n"); - fprintf(stderr, " [ action ACTION ] [ priority PRIORITY ] [ LIMIT-LIST ] [ TMPL-LIST ]\n"); - fprintf(stderr, "Usage: ip xfrm policy { delete | get } dir DIR [ SELECTOR | index INDEX ]\n"); - fprintf(stderr, "Usage: ip xfrm policy { deleteall | list } [ dir DIR ] [ SELECTOR ]\n"); - fprintf(stderr, " [ index INDEX ] [ action ACTION ] [ priority PRIORITY ]\n"); - fprintf(stderr, "Usage: ip xfrm policy flush\n"); - fprintf(stderr, "DIR := [ in | out | fwd ]\n"); - - fprintf(stderr, "SELECTOR := src ADDR[/PLEN] dst ADDR[/PLEN] [ UPSPEC ] [ dev DEV ]\n"); - - fprintf(stderr, "UPSPEC := proto PROTO [ [ sport PORT ] [ dport PORT ] |\n"); - fprintf(stderr, " [ type NUMBER ] [ code NUMBER ] ]\n"); - - //fprintf(stderr, "DEV - device name(default=none)\n"); - - fprintf(stderr, "ACTION := [ allow | block ](default=allow)\n"); - - //fprintf(stderr, "PRIORITY - priority value(default=0)\n"); - - fprintf(stderr, "LIMIT-LIST := [ LIMIT-LIST ] | [ limit LIMIT ]\n"); - fprintf(stderr, "LIMIT := [ [time-soft|time-hard|time-use-soft|time-use-hard] SECONDS ] |\n"); - fprintf(stderr, " [ [byte-soft|byte-hard] SIZE ] | [ [packet-soft|packet-hard] NUMBER ]\n"); - - fprintf(stderr, "TMPL-LIST := [ TMPL-LIST ] | [ tmpl TMPL ]\n"); - fprintf(stderr, "TMPL := ID [ mode MODE ] [ reqid REQID ] [ level LEVEL ]\n"); - fprintf(stderr, "ID := [ src ADDR ] [ dst ADDR ] [ proto XFRM_PROTO ] [ spi SPI ]\n"); - - //fprintf(stderr, "XFRM_PROTO := [ esp | ah | comp ]\n"); - fprintf(stderr, "XFRM_PROTO := [ "); - fprintf(stderr, "%s | ", strxf_xfrmproto(IPPROTO_ESP)); - fprintf(stderr, "%s | ", strxf_xfrmproto(IPPROTO_AH)); - fprintf(stderr, "%s", strxf_xfrmproto(IPPROTO_COMP)); - fprintf(stderr, " ]\n"); - - fprintf(stderr, "MODE := [ transport | tunnel ](default=transport)\n"); - //fprintf(stderr, "REQID - number(default=0)\n"); - fprintf(stderr, "LEVEL := [ required | use ](default=required)\n"); - - exit(-1); -} - -static int xfrm_policy_dir_parse(__u8 *dir, int *argcp, char ***argvp) -{ - int argc = *argcp; - char **argv = *argvp; - - if (strcmp(*argv, "in") == 0) - *dir = XFRM_POLICY_IN; - else if (strcmp(*argv, "out") == 0) - *dir = XFRM_POLICY_OUT; - else if (strcmp(*argv, "fwd") == 0) - *dir = XFRM_POLICY_FWD; - else - invarg("\"DIR\" is invalid", *argv); - - *argcp = argc; - *argvp = argv; - - return 0; -} - -static int xfrm_tmpl_parse(struct xfrm_user_tmpl *tmpl, - int *argcp, char ***argvp) -{ - int argc = *argcp; - char **argv = *argvp; - char *idp = NULL; - - while (1) { - if (strcmp(*argv, "mode") == 0) { - NEXT_ARG(); - xfrm_mode_parse(&tmpl->mode, &argc, &argv); - } else if (strcmp(*argv, "reqid") == 0) { - NEXT_ARG(); - xfrm_reqid_parse(&tmpl->reqid, &argc, &argv); - } else if (strcmp(*argv, "level") == 0) { - NEXT_ARG(); - - if (strcmp(*argv, "required") == 0) - tmpl->optional = 0; - else if (strcmp(*argv, "use") == 0) - tmpl->optional = 1; - else - invarg("\"LEVEL\" is invalid\n", *argv); - - } else { - if (idp) { - PREV_ARG(); /* back track */ - break; - } - idp = *argv; - xfrm_id_parse(&tmpl->saddr, &tmpl->id, &tmpl->family, - 0, &argc, &argv); - if (preferred_family == AF_UNSPEC) - preferred_family = tmpl->family; - } - - if (!NEXT_ARG_OK()) - break; - - NEXT_ARG(); - } - if (argc == *argcp) - missarg("TMPL"); - - *argcp = argc; - *argvp = argv; - - return 0; -} - -static int xfrm_policy_modify(int cmd, unsigned flags, int argc, char **argv) -{ - struct rtnl_handle rth; - struct { - struct nlmsghdr n; - struct xfrm_userpolicy_info xpinfo; - char buf[RTA_BUF_SIZE]; - } req; - char *dirp = NULL; - char *selp = NULL; - char tmpls_buf[XFRM_TMPLS_BUF_SIZE]; - int tmpls_len = 0; - - memset(&req, 0, sizeof(req)); - memset(&tmpls_buf, 0, sizeof(tmpls_buf)); - - req.n.nlmsg_len = NLMSG_LENGTH(sizeof(req.xpinfo)); - req.n.nlmsg_flags = NLM_F_REQUEST|flags; - req.n.nlmsg_type = cmd; - req.xpinfo.sel.family = preferred_family; - - req.xpinfo.lft.soft_byte_limit = XFRM_INF; - req.xpinfo.lft.hard_byte_limit = XFRM_INF; - req.xpinfo.lft.soft_packet_limit = XFRM_INF; - req.xpinfo.lft.hard_packet_limit = XFRM_INF; - - while (argc > 0) { - if (strcmp(*argv, "dir") == 0) { - if (dirp) - duparg("dir", *argv); - dirp = *argv; - - NEXT_ARG(); - xfrm_policy_dir_parse(&req.xpinfo.dir, &argc, &argv); - - filter.dir_mask = XFRM_FILTER_MASK_FULL; - - } else if (strcmp(*argv, "index") == 0) { - NEXT_ARG(); - if (get_u32(&req.xpinfo.index, *argv, 0)) - invarg("\"INDEX\" is invalid", *argv); - - filter.index_mask = XFRM_FILTER_MASK_FULL; - - } else if (strcmp(*argv, "action") == 0) { - NEXT_ARG(); - if (strcmp(*argv, "allow") == 0) - req.xpinfo.action = XFRM_POLICY_ALLOW; - else if (strcmp(*argv, "block") == 0) - req.xpinfo.action = XFRM_POLICY_BLOCK; - else - invarg("\"action\" value is invalid\n", *argv); - - filter.action_mask = XFRM_FILTER_MASK_FULL; - - } else if (strcmp(*argv, "priority") == 0) { - NEXT_ARG(); - if (get_u32(&req.xpinfo.priority, *argv, 0)) - invarg("\"PRIORITY\" is invalid", *argv); - - filter.priority_mask = XFRM_FILTER_MASK_FULL; - - } else if (strcmp(*argv, "limit") == 0) { - NEXT_ARG(); - xfrm_lifetime_cfg_parse(&req.xpinfo.lft, &argc, &argv); - } else if (strcmp(*argv, "tmpl") == 0) { - struct xfrm_user_tmpl *tmpl; - - if (tmpls_len + sizeof(*tmpl) > sizeof(tmpls_buf)) { - fprintf(stderr, "Too many tmpls: buffer overflow\n"); - exit(1); - } - tmpl = (struct xfrm_user_tmpl *)((char *)tmpls_buf + tmpls_len); - - tmpl->family = preferred_family; - tmpl->aalgos = (~(__u32)0); - tmpl->ealgos = (~(__u32)0); - tmpl->calgos = (~(__u32)0); - - NEXT_ARG(); - xfrm_tmpl_parse(tmpl, &argc, &argv); - - tmpls_len += sizeof(*tmpl); - } else { - if (selp) - duparg("unknown", *argv); - selp = *argv; - - xfrm_selector_parse(&req.xpinfo.sel, &argc, &argv); - if (preferred_family == AF_UNSPEC) - preferred_family = req.xpinfo.sel.family; - } - - argc--; argv++; - } - - if (!dirp) { - fprintf(stderr, "Not enough information: \"DIR\" is required.\n"); - exit(1); - } - - if (tmpls_len > 0) { - addattr_l(&req.n, sizeof(req), XFRMA_TMPL, - (void *)tmpls_buf, tmpls_len); - } - - if (rtnl_open_byproto(&rth, 0, NETLINK_XFRM) < 0) - exit(1); - - if (req.xpinfo.sel.family == AF_UNSPEC) - req.xpinfo.sel.family = AF_INET; - - if (rtnl_talk(&rth, &req.n, 0, 0, NULL, NULL, NULL) < 0) - exit(2); - - rtnl_close(&rth); - - return 0; -} - -static int xfrm_policy_filter_match(struct xfrm_userpolicy_info *xpinfo) -{ - if (!filter.use) - return 1; - - if ((xpinfo->dir^filter.xpinfo.dir)&filter.dir_mask) - return 0; - - if (filter.sel_src_mask) { - if (xfrm_addr_match(&xpinfo->sel.saddr, &filter.xpinfo.sel.saddr, - filter.sel_src_mask)) - return 0; - } - - if (filter.sel_dst_mask) { - if (xfrm_addr_match(&xpinfo->sel.daddr, &filter.xpinfo.sel.daddr, - filter.sel_dst_mask)) - return 0; - } - - if ((xpinfo->sel.ifindex^filter.xpinfo.sel.ifindex)&filter.sel_dev_mask) - return 0; - - if ((xpinfo->sel.proto^filter.xpinfo.sel.proto)&filter.upspec_proto_mask) - return 0; - - if (filter.upspec_sport_mask) { - if ((xpinfo->sel.sport^filter.xpinfo.sel.sport)&filter.upspec_sport_mask) - return 0; - } - - if (filter.upspec_dport_mask) { - if ((xpinfo->sel.dport^filter.xpinfo.sel.dport)&filter.upspec_dport_mask) - return 0; - } - - if ((xpinfo->index^filter.xpinfo.index)&filter.index_mask) - return 0; - - if ((xpinfo->action^filter.xpinfo.action)&filter.action_mask) - return 0; - - if ((xpinfo->priority^filter.xpinfo.priority)&filter.priority_mask) - return 0; - - return 1; -} - -int xfrm_policy_print(const struct sockaddr_nl *who, struct nlmsghdr *n, - void *arg) -{ - struct rtattr * tb[XFRMA_MAX+1]; - struct rtattr * rta; - struct xfrm_userpolicy_info *xpinfo = NULL; - struct xfrm_user_polexpire *xpexp = NULL; - struct xfrm_userpolicy_id *xpid = NULL; - FILE *fp = (FILE*)arg; - int len = n->nlmsg_len; - - if (n->nlmsg_type != XFRM_MSG_NEWPOLICY && - n->nlmsg_type != XFRM_MSG_DELPOLICY && - n->nlmsg_type != XFRM_MSG_UPDPOLICY && - n->nlmsg_type != XFRM_MSG_POLEXPIRE) { - fprintf(stderr, "Not a policy: %08x %08x %08x\n", - n->nlmsg_len, n->nlmsg_type, n->nlmsg_flags); - return 0; - } - - if (n->nlmsg_type == XFRM_MSG_DELPOLICY) { - xpid = NLMSG_DATA(n); - len -= NLMSG_LENGTH(sizeof(*xpid)); - } else if (n->nlmsg_type == XFRM_MSG_POLEXPIRE) { - xpexp = NLMSG_DATA(n); - xpinfo = &xpexp->pol; - len -= NLMSG_LENGTH(sizeof(*xpexp)); - } else { - xpexp = NULL; - xpinfo = NLMSG_DATA(n); - len -= NLMSG_LENGTH(sizeof(*xpinfo)); - } - - if (len < 0) { - fprintf(stderr, "BUG: wrong nlmsg len %d\n", len); - return -1; - } - - if (xpinfo && !xfrm_policy_filter_match(xpinfo)) - return 0; - - if (n->nlmsg_type == XFRM_MSG_DELPOLICY) - fprintf(fp, "Deleted "); - else if (n->nlmsg_type == XFRM_MSG_UPDPOLICY) - fprintf(fp, "Updated "); - else if (n->nlmsg_type == XFRM_MSG_POLEXPIRE) - fprintf(fp, "Expired "); - - if (n->nlmsg_type == XFRM_MSG_DELPOLICY) - rta = XFRMPID_RTA(xpid); - else if (n->nlmsg_type == XFRM_MSG_POLEXPIRE) - rta = XFRMPEXP_RTA(xpexp); - else - rta = XFRMP_RTA(xpinfo); - - parse_rtattr(tb, XFRMA_MAX, rta, len); - - if (n->nlmsg_type == XFRM_MSG_DELPOLICY) { - //xfrm_policy_id_print(); - if (!tb[XFRMA_POLICY]) { - fprintf(stderr, "Buggy XFRM_MSG_DELPOLICY: no XFRMA_POLICY\n"); - return -1; - } - if (RTA_PAYLOAD(tb[XFRMA_POLICY]) < sizeof(*xpinfo)) { - fprintf(stderr, "Buggy XFRM_MSG_DELPOLICY: too short XFRMA_POLICY len\n"); - return -1; - } - xpinfo = (struct xfrm_userpolicy_info *)RTA_DATA(tb[XFRMA_POLICY]); - } - - xfrm_policy_info_print(xpinfo, tb, fp, NULL, NULL); - - if (n->nlmsg_type == XFRM_MSG_POLEXPIRE) { - fprintf(fp, "\t"); - fprintf(fp, "hard %u", xpexp->hard); - fprintf(fp, "%s", _SL_); - } - - if (oneline) - fprintf(fp, "\n"); - fflush(fp); - - return 0; -} - -static int xfrm_policy_get_or_delete(int argc, char **argv, int delete, - void *res_nlbuf) -{ - struct rtnl_handle rth; - struct { - struct nlmsghdr n; - struct xfrm_userpolicy_id xpid; - } req; - char *dirp = NULL; - char *selp = NULL; - char *indexp = NULL; - - memset(&req, 0, sizeof(req)); - - req.n.nlmsg_len = NLMSG_LENGTH(sizeof(req.xpid)); - req.n.nlmsg_flags = NLM_F_REQUEST; - req.n.nlmsg_type = delete ? XFRM_MSG_DELPOLICY : XFRM_MSG_GETPOLICY; - - while (argc > 0) { - if (strcmp(*argv, "dir") == 0) { - if (dirp) - duparg("dir", *argv); - dirp = *argv; - - NEXT_ARG(); - xfrm_policy_dir_parse(&req.xpid.dir, &argc, &argv); - - } else if (strcmp(*argv, "index") == 0) { - if (indexp) - duparg("index", *argv); - indexp = *argv; - - NEXT_ARG(); - if (get_u32(&req.xpid.index, *argv, 0)) - invarg("\"INDEX\" is invalid", *argv); - - } else { - if (selp) - invarg("unknown", *argv); - selp = *argv; - - xfrm_selector_parse(&req.xpid.sel, &argc, &argv); - if (preferred_family == AF_UNSPEC) - preferred_family = req.xpid.sel.family; - - } - - argc--; argv++; - } - - if (!dirp) { - fprintf(stderr, "Not enough information: \"DIR\" is required.\n"); - exit(1); - } - if (!selp && !indexp) { - fprintf(stderr, "Not enough information: either \"SELECTOR\" or \"INDEX\" is required.\n"); - exit(1); - } - if (selp && indexp) - duparg2("SELECTOR", "INDEX"); - - if (rtnl_open_byproto(&rth, 0, NETLINK_XFRM) < 0) - exit(1); - - if (req.xpid.sel.family == AF_UNSPEC) - req.xpid.sel.family = AF_INET; - - if (rtnl_talk(&rth, &req.n, 0, 0, res_nlbuf, NULL, NULL) < 0) - exit(2); - - rtnl_close(&rth); - - return 0; -} - -static int xfrm_policy_delete(int argc, char **argv) -{ - return xfrm_policy_get_or_delete(argc, argv, 1, NULL); -} - -static int xfrm_policy_get(int argc, char **argv) -{ - char buf[NLMSG_BUF_SIZE]; - struct nlmsghdr *n = (struct nlmsghdr *)buf; - - memset(buf, 0, sizeof(buf)); - - xfrm_policy_get_or_delete(argc, argv, 0, n); - - if (xfrm_policy_print(NULL, n, (void*)stdout) < 0) { - fprintf(stderr, "An error :-)\n"); - exit(1); - } - - return 0; -} - -/* - * With an existing policy of nlmsg, make new nlmsg for deleting the policy - * and store it to buffer. - */ -static int xfrm_policy_keep(const struct sockaddr_nl *who, - struct nlmsghdr *n, - void *arg) -{ - struct xfrm_buffer *xb = (struct xfrm_buffer *)arg; - struct rtnl_handle *rth = xb->rth; - struct xfrm_userpolicy_info *xpinfo = NLMSG_DATA(n); - int len = n->nlmsg_len; - struct nlmsghdr *new_n; - struct xfrm_userpolicy_id *xpid; - - if (n->nlmsg_type != XFRM_MSG_NEWPOLICY) { - fprintf(stderr, "Not a policy: %08x %08x %08x\n", - n->nlmsg_len, n->nlmsg_type, n->nlmsg_flags); - return 0; - } - - len -= NLMSG_LENGTH(sizeof(*xpinfo)); - if (len < 0) { - fprintf(stderr, "BUG: wrong nlmsg len %d\n", len); - return -1; - } - - if (!xfrm_policy_filter_match(xpinfo)) - return 0; - - if (xb->offset > xb->size) { - fprintf(stderr, "Policy buffer overflow\n"); - return -1; - } - - new_n = (struct nlmsghdr *)(xb->buf + xb->offset); - new_n->nlmsg_len = NLMSG_LENGTH(sizeof(*xpid)); - new_n->nlmsg_flags = NLM_F_REQUEST; - new_n->nlmsg_type = XFRM_MSG_DELPOLICY; - new_n->nlmsg_seq = ++rth->seq; - - xpid = NLMSG_DATA(new_n); - memcpy(&xpid->sel, &xpinfo->sel, sizeof(xpid->sel)); - xpid->dir = xpinfo->dir; - xpid->index = xpinfo->index; - - xb->offset += new_n->nlmsg_len; - xb->nlmsg_count ++; - - return 0; -} - -static int xfrm_policy_list_or_deleteall(int argc, char **argv, int deleteall) -{ - char *selp = NULL; - struct rtnl_handle rth; - - if (argc > 0) - filter.use = 1; - filter.xpinfo.sel.family = preferred_family; - - while (argc > 0) { - if (strcmp(*argv, "dir") == 0) { - NEXT_ARG(); - xfrm_policy_dir_parse(&filter.xpinfo.dir, &argc, &argv); - - filter.dir_mask = XFRM_FILTER_MASK_FULL; - - } else if (strcmp(*argv, "index") == 0) { - NEXT_ARG(); - if (get_u32(&filter.xpinfo.index, *argv, 0)) - invarg("\"INDEX\" is invalid", *argv); - - filter.index_mask = XFRM_FILTER_MASK_FULL; - - } else if (strcmp(*argv, "action") == 0) { - NEXT_ARG(); - if (strcmp(*argv, "allow") == 0) - filter.xpinfo.action = XFRM_POLICY_ALLOW; - else if (strcmp(*argv, "block") == 0) - filter.xpinfo.action = XFRM_POLICY_BLOCK; - else - invarg("\"ACTION\" is invalid\n", *argv); - - filter.action_mask = XFRM_FILTER_MASK_FULL; - - } else if (strcmp(*argv, "priority") == 0) { - NEXT_ARG(); - if (get_u32(&filter.xpinfo.priority, *argv, 0)) - invarg("\"PRIORITY\" is invalid", *argv); - - filter.priority_mask = XFRM_FILTER_MASK_FULL; - - } else { - if (selp) - invarg("unknown", *argv); - selp = *argv; - - xfrm_selector_parse(&filter.xpinfo.sel, &argc, &argv); - if (preferred_family == AF_UNSPEC) - preferred_family = filter.xpinfo.sel.family; - - } - - argc--; argv++; - } - - if (rtnl_open_byproto(&rth, 0, NETLINK_XFRM) < 0) - exit(1); - - if (deleteall) { - struct xfrm_buffer xb; - char buf[NLMSG_DELETEALL_BUF_SIZE]; - int i; - - xb.buf = buf; - xb.size = sizeof(buf); - xb.rth = &rth; - - for (i = 0; ; i++) { - xb.offset = 0; - xb.nlmsg_count = 0; - - if (show_stats > 1) - fprintf(stderr, "Delete-all round = %d\n", i); - - if (rtnl_wilddump_request(&rth, preferred_family, XFRM_MSG_GETPOLICY) < 0) { - perror("Cannot send dump request"); - exit(1); - } - - if (rtnl_dump_filter(&rth, xfrm_policy_keep, &xb, NULL, NULL) < 0) { - fprintf(stderr, "Delete-all terminated\n"); - exit(1); - } - if (xb.nlmsg_count == 0) { - if (show_stats > 1) - fprintf(stderr, "Delete-all completed\n"); - break; - } - - if (rtnl_send(&rth, xb.buf, xb.offset) < 0) { - perror("Failed to send delete-all request\n"); - exit(1); - } - if (show_stats > 1) - fprintf(stderr, "Delete-all nlmsg count = %d\n", xb.nlmsg_count); - - xb.offset = 0; - xb.nlmsg_count = 0; - } - } else { - if (rtnl_wilddump_request(&rth, preferred_family, XFRM_MSG_GETPOLICY) < 0) { - perror("Cannot send dump request"); - exit(1); - } - - if (rtnl_dump_filter(&rth, xfrm_policy_print, stdout, NULL, NULL) < 0) { - fprintf(stderr, "Dump terminated\n"); - exit(1); - } - } - - rtnl_close(&rth); - - exit(0); -} - -static int xfrm_policy_flush(void) -{ - struct rtnl_handle rth; - struct { - struct nlmsghdr n; - } req; - - memset(&req, 0, sizeof(req)); - - req.n.nlmsg_len = NLMSG_LENGTH(0); /* nlmsg data is nothing */ - req.n.nlmsg_flags = NLM_F_REQUEST; - req.n.nlmsg_type = XFRM_MSG_FLUSHPOLICY; - - if (rtnl_open_byproto(&rth, 0, NETLINK_XFRM) < 0) - exit(1); - - if (show_stats > 1) - fprintf(stderr, "Flush policy\n"); - - if (rtnl_talk(&rth, &req.n, 0, 0, NULL, NULL, NULL) < 0) - exit(2); - - rtnl_close(&rth); - - return 0; -} - -int do_xfrm_policy(int argc, char **argv) -{ - if (argc < 1) - return xfrm_policy_list_or_deleteall(0, NULL, 0); - - if (matches(*argv, "add") == 0) - return xfrm_policy_modify(XFRM_MSG_NEWPOLICY, 0, - argc-1, argv+1); - if (matches(*argv, "update") == 0) - return xfrm_policy_modify(XFRM_MSG_UPDPOLICY, 0, - argc-1, argv+1); - if (matches(*argv, "delete") == 0) - return xfrm_policy_delete(argc-1, argv+1); - if (matches(*argv, "deleteall") == 0 || matches(*argv, "delall") == 0) - return xfrm_policy_list_or_deleteall(argc-1, argv+1, 1); - if (matches(*argv, "list") == 0 || matches(*argv, "show") == 0 - || matches(*argv, "lst") == 0) - return xfrm_policy_list_or_deleteall(argc-1, argv+1, 0); - if (matches(*argv, "get") == 0) - return xfrm_policy_get(argc-1, argv+1); - if (matches(*argv, "flush") == 0) - return xfrm_policy_flush(); - if (matches(*argv, "help") == 0) - usage(); - fprintf(stderr, "Command \"%s\" is unknown, try \"ip xfrm policy help\".\n", *argv); - exit(-1); -}