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-rw-r--r--ip/xfrm_policy.c1348
1 files changed, 1348 insertions, 0 deletions
diff --git a/ip/xfrm_policy.c b/ip/xfrm_policy.c
new file mode 100644
index 0000000..8687ced
--- /dev/null
+++ b/ip/xfrm_policy.c
@@ -0,0 +1,1348 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+/*
+ * Copyright (C)2004 USAGI/WIDE Project
+ *
+ * based on iproute.c
+ *
+ * Authors:
+ * Masahide NAKAMURA @USAGI
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <netdb.h>
+#include <linux/netlink.h>
+#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
+#define CTX_BUF_SIZE 256
+
+static void usage(void) __attribute__((noreturn));
+
+static void usage(void)
+{
+ fprintf(stderr,
+ "Usage: ip xfrm policy { add | update } SELECTOR dir DIR [ ctx CTX ]\n"
+ " [ mark MARK [ mask MASK ] ] [ index INDEX ] [ ptype PTYPE ]\n"
+ " [ action ACTION ] [ priority PRIORITY ] [ flag FLAG-LIST ]\n"
+ " [ if_id IF_ID ] [ LIMIT-LIST ] [ TMPL-LIST ]\n"
+ " [ offload packet dev DEV] } ]\n"
+ "Usage: ip xfrm policy { delete | get } { SELECTOR | index INDEX } dir DIR\n"
+ " [ ctx CTX ] [ mark MARK [ mask MASK ] ] [ ptype PTYPE ]\n"
+ " [ if_id IF_ID ]\n"
+ "Usage: ip xfrm policy { deleteall | list } [ nosock ] [ SELECTOR ] [ dir DIR ]\n"
+ " [ index INDEX ] [ ptype PTYPE ] [ action ACTION ] [ priority PRIORITY ]\n"
+ " [ flag FLAG-LIST ]\n"
+ "Usage: ip xfrm policy flush [ ptype PTYPE ]\n"
+ "Usage: ip xfrm policy count\n"
+ "Usage: ip xfrm policy set [ hthresh4 LBITS RBITS ] [ hthresh6 LBITS RBITS ]\n"
+ "Usage: ip xfrm policy setdefault DIR ACTION [ DIR ACTION ] [ DIR ACTION ]\n"
+ "Usage: ip xfrm policy getdefault\n"
+ "SELECTOR := [ src ADDR[/PLEN] ] [ dst ADDR[/PLEN] ] [ dev DEV ] [ UPSPEC ]\n"
+ "UPSPEC := proto { { tcp | udp | sctp | dccp } [ sport PORT ] [ dport PORT ] |\n"
+ " { icmp | ipv6-icmp | mobility-header } [ type NUMBER ] [ code NUMBER ] |\n"
+ " gre [ key { DOTTED-QUAD | NUMBER } ] | PROTO }\n"
+ "DIR := in | out | fwd\n"
+ "PTYPE := main | sub\n"
+ "ACTION := allow | block\n"
+ "FLAG-LIST := [ FLAG-LIST ] FLAG\n"
+ "FLAG := localok | icmp\n"
+ "LIMIT-LIST := [ LIMIT-LIST ] limit LIMIT\n"
+ "LIMIT := { time-soft | time-hard | time-use-soft | time-use-hard } SECONDS |\n"
+ " { byte-soft | byte-hard } SIZE | { packet-soft | packet-hard } COUNT\n"
+ "TMPL-LIST := [ TMPL-LIST ] tmpl TMPL\n"
+ "TMPL := ID [ mode MODE ] [ reqid REQID ] [ level LEVEL ]\n"
+ "ID := [ src ADDR ] [ dst ADDR ] [ proto XFRM-PROTO ] [ spi SPI ]\n"
+ "XFRM-PROTO := ");
+ fprintf(stderr,
+ "%s | %s | %s | %s | %s\n",
+ strxf_xfrmproto(IPPROTO_ESP),
+ strxf_xfrmproto(IPPROTO_AH),
+ strxf_xfrmproto(IPPROTO_COMP),
+ strxf_xfrmproto(IPPROTO_ROUTING),
+ strxf_xfrmproto(IPPROTO_DSTOPTS));
+ fprintf(stderr,
+ "MODE := transport | tunnel | beet | ro | in_trigger\n"
+ "LEVEL := required | use\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 value is invalid", *argv);
+
+ *argcp = argc;
+ *argvp = argv;
+
+ return 0;
+}
+
+static int xfrm_policy_ptype_parse(__u8 *ptype, int *argcp, char ***argvp)
+{
+ int argc = *argcp;
+ char **argv = *argvp;
+
+ if (strcmp(*argv, "main") == 0)
+ *ptype = XFRM_POLICY_TYPE_MAIN;
+ else if (strcmp(*argv, "sub") == 0)
+ *ptype = XFRM_POLICY_TYPE_SUB;
+ else
+ invarg("PTYPE value is invalid", *argv);
+
+ *argcp = argc;
+ *argvp = argv;
+
+ return 0;
+}
+
+static int xfrm_policy_flag_parse(__u8 *flags, int *argcp, char ***argvp)
+{
+ int argc = *argcp;
+ char **argv = *argvp;
+ int len = strlen(*argv);
+
+ if (len > 2 && strncmp(*argv, "0x", 2) == 0) {
+ __u8 val = 0;
+
+ if (get_u8(&val, *argv, 16))
+ invarg("FLAG value is invalid", *argv);
+ *flags = val;
+ } else {
+ while (1) {
+ if (strcmp(*argv, "localok") == 0)
+ *flags |= XFRM_POLICY_LOCALOK;
+ else if (strcmp(*argv, "icmp") == 0)
+ *flags |= XFRM_POLICY_ICMP;
+ else {
+ PREV_ARG(); /* back track */
+ break;
+ }
+
+ if (!NEXT_ARG_OK())
+ break;
+ NEXT_ARG();
+ }
+ }
+
+ *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 value is invalid\n", *argv);
+
+ } else {
+ if (idp) {
+ PREV_ARG(); /* back track */
+ break;
+ }
+ idp = *argv;
+ preferred_family = AF_UNSPEC;
+ xfrm_id_parse(&tmpl->saddr, &tmpl->id, &tmpl->family,
+ 0, &argc, &argv);
+ preferred_family = tmpl->family;
+ }
+
+ if (!NEXT_ARG_OK())
+ break;
+
+ NEXT_ARG();
+ }
+ if (argc == *argcp)
+ missarg("TMPL");
+
+ *argcp = argc;
+ *argvp = argv;
+
+ return 0;
+}
+
+int xfrm_sctx_parse(char *ctxstr, char *s,
+ struct xfrm_user_sec_ctx *sctx)
+{
+ int slen;
+
+ slen = strlen(s) + 1;
+
+ sctx->exttype = XFRMA_SEC_CTX;
+ sctx->ctx_doi = 1;
+ sctx->ctx_alg = 1;
+ sctx->ctx_len = slen;
+ sctx->len = sizeof(struct xfrm_user_sec_ctx) + slen;
+ memcpy(ctxstr, s, slen);
+
+ return 0;
+}
+
+static int xfrm_policy_modify(int cmd, unsigned int flags, int argc, char **argv)
+{
+ struct rtnl_handle rth;
+ struct {
+ struct nlmsghdr n;
+ struct xfrm_userpolicy_info xpinfo;
+ char buf[RTA_BUF_SIZE];
+ } req = {
+ .n.nlmsg_len = NLMSG_LENGTH(sizeof(req.xpinfo)),
+ .n.nlmsg_flags = NLM_F_REQUEST | flags,
+ .n.nlmsg_type = cmd,
+ .xpinfo.sel.family = preferred_family,
+ .xpinfo.lft.soft_byte_limit = XFRM_INF,
+ .xpinfo.lft.hard_byte_limit = XFRM_INF,
+ .xpinfo.lft.soft_packet_limit = XFRM_INF,
+ .xpinfo.lft.hard_packet_limit = XFRM_INF,
+ };
+ char *dirp = NULL;
+ char *selp = NULL;
+ char *ptypep = NULL;
+ char *sctxp = NULL;
+ struct xfrm_userpolicy_type upt = {};
+ struct xfrm_user_offload xuo = {};
+ char tmpls_buf[XFRM_TMPLS_BUF_SIZE] = {};
+ int tmpls_len = 0;
+ struct xfrm_mark mark = {0, 0};
+ struct {
+ struct xfrm_user_sec_ctx sctx;
+ char str[CTX_BUF_SIZE];
+ } ctx = {};
+ bool is_if_id_set = false;
+ unsigned int ifindex = 0;
+ bool is_offload = false;
+ __u32 if_id = 0;
+
+ 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);
+ } else if (strcmp(*argv, "ctx") == 0) {
+ char *context;
+
+ if (sctxp)
+ duparg("ctx", *argv);
+ sctxp = *argv;
+ NEXT_ARG();
+ context = *argv;
+ xfrm_sctx_parse((char *)&ctx.str, context, &ctx.sctx);
+ } else if (strcmp(*argv, "mark") == 0) {
+ xfrm_parse_mark(&mark, &argc, &argv);
+ } else if (strcmp(*argv, "index") == 0) {
+ NEXT_ARG();
+ if (get_u32(&req.xpinfo.index, *argv, 0))
+ invarg("INDEX value is invalid", *argv);
+ } else if (strcmp(*argv, "ptype") == 0) {
+ if (ptypep)
+ duparg("ptype", *argv);
+ ptypep = *argv;
+
+ NEXT_ARG();
+ xfrm_policy_ptype_parse(&upt.type, &argc, &argv);
+ } 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);
+ } else if (strcmp(*argv, "priority") == 0) {
+ NEXT_ARG();
+ if (get_u32(&req.xpinfo.priority, *argv, 0))
+ invarg("PRIORITY value is invalid", *argv);
+ } else if (strcmp(*argv, "flag") == 0) {
+ NEXT_ARG();
+ xfrm_policy_flag_parse(&req.xpinfo.flags, &argc,
+ &argv);
+ } 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 (strcmp(*argv, "if_id") == 0) {
+ NEXT_ARG();
+ if (get_u32(&if_id, *argv, 0))
+ invarg("IF_ID value is invalid", *argv);
+ is_if_id_set = true;
+ } else if (strcmp(*argv, "offload") == 0) {
+ NEXT_ARG();
+ if (strcmp(*argv, "packet") == 0)
+ NEXT_ARG();
+ else
+ invarg("Invalid offload mode", *argv);
+
+ if (strcmp(*argv, "dev") == 0) {
+ NEXT_ARG();
+ ifindex = ll_name_to_index(*argv);
+ if (!ifindex)
+ invarg("Invalid device name", *argv);
+ } else
+ invarg("Missing dev keyword", *argv);
+ is_offload = true;
+ } 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 (ptypep) {
+ addattr_l(&req.n, sizeof(req), XFRMA_POLICY_TYPE,
+ (void *)&upt, sizeof(upt));
+ }
+
+ if (tmpls_len > 0) {
+ addattr_l(&req.n, sizeof(req), XFRMA_TMPL,
+ (void *)tmpls_buf, tmpls_len);
+ }
+
+ if (mark.m) {
+ int r = addattr_l(&req.n, sizeof(req.buf), XFRMA_MARK,
+ (void *)&mark, sizeof(mark));
+ if (r < 0) {
+ fprintf(stderr, "%s: XFRMA_MARK failed\n", __func__);
+ exit(1);
+ }
+ }
+
+ if (sctxp) {
+ addattr_l(&req.n, sizeof(req), XFRMA_SEC_CTX,
+ (void *)&ctx, ctx.sctx.len);
+ }
+
+ if (is_if_id_set)
+ addattr32(&req.n, sizeof(req.buf), XFRMA_IF_ID, if_id);
+
+ if (is_offload) {
+ xuo.ifindex = ifindex;
+ xuo.flags |= XFRM_OFFLOAD_PACKET;
+ addattr_l(&req.n, sizeof(req.buf), XFRMA_OFFLOAD_DEV, &xuo,
+ sizeof(xuo));
+ }
+
+ 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, NULL) < 0)
+ exit(2);
+
+ rtnl_close(&rth);
+
+ return 0;
+}
+
+static int xfrm_policy_filter_match(struct xfrm_userpolicy_info *xpinfo,
+ __u8 ptype)
+{
+ if (!filter.use)
+ return 1;
+
+ if (filter.xpinfo.sel.family != AF_UNSPEC &&
+ filter.xpinfo.sel.family != xpinfo->sel.family)
+ return 0;
+
+ if ((xpinfo->dir^filter.xpinfo.dir)&filter.dir_mask)
+ return 0;
+
+ if (filter.filter_socket && (xpinfo->dir >= XFRM_POLICY_MAX))
+ return 0;
+
+ if ((ptype^filter.ptype)&filter.ptype_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;
+
+ if (filter.policy_flags_mask)
+ if ((xpinfo->flags & filter.xpinfo.flags) == 0)
+ return 0;
+
+ return 1;
+}
+
+int xfrm_policy_print(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;
+ __u8 ptype = XFRM_POLICY_TYPE_MAIN;
+ 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_SPACE(sizeof(*xpid));
+ } else if (n->nlmsg_type == XFRM_MSG_POLEXPIRE) {
+ xpexp = NLMSG_DATA(n);
+ xpinfo = &xpexp->pol;
+ len -= NLMSG_SPACE(sizeof(*xpexp));
+ } else {
+ xpexp = NULL;
+ xpinfo = NLMSG_DATA(n);
+ len -= NLMSG_SPACE(sizeof(*xpinfo));
+ }
+
+ if (len < 0) {
+ fprintf(stderr, "BUG: wrong nlmsg len %d\n", len);
+ return -1;
+ }
+
+ 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 (tb[XFRMA_POLICY_TYPE]) {
+ struct xfrm_userpolicy_type *upt;
+
+ if (RTA_PAYLOAD(tb[XFRMA_POLICY_TYPE]) < sizeof(*upt)) {
+ fprintf(stderr, "too short XFRMA_POLICY_TYPE len\n");
+ return -1;
+ }
+ upt = RTA_DATA(tb[XFRMA_POLICY_TYPE]);
+ ptype = upt->type;
+ }
+
+ if (xpinfo && !xfrm_policy_filter_match(xpinfo, ptype))
+ 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) {
+ /* 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 = 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,
+ struct nlmsghdr **answer)
+{
+ struct rtnl_handle rth;
+ struct {
+ struct nlmsghdr n;
+ struct xfrm_userpolicy_id xpid;
+ char buf[RTA_BUF_SIZE];
+ } req = {
+ .n.nlmsg_len = NLMSG_LENGTH(sizeof(req.xpid)),
+ .n.nlmsg_flags = NLM_F_REQUEST,
+ .n.nlmsg_type = delete ? XFRM_MSG_DELPOLICY
+ : XFRM_MSG_GETPOLICY,
+ };
+ char *dirp = NULL;
+ char *selp = NULL;
+ char *indexp = NULL;
+ char *ptypep = NULL;
+ char *sctxp = NULL;
+ struct xfrm_userpolicy_type upt = {};
+ struct xfrm_mark mark = {0, 0};
+ struct {
+ struct xfrm_user_sec_ctx sctx;
+ char str[CTX_BUF_SIZE];
+ } ctx = {};
+ bool is_if_id_set = false;
+ __u32 if_id = 0;
+
+ 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, "ctx") == 0) {
+ char *context;
+
+ if (sctxp)
+ duparg("ctx", *argv);
+ sctxp = *argv;
+ NEXT_ARG();
+ context = *argv;
+ xfrm_sctx_parse((char *)&ctx.str, context, &ctx.sctx);
+ } else if (strcmp(*argv, "mark") == 0) {
+ xfrm_parse_mark(&mark, &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 value is invalid", *argv);
+
+ } else if (strcmp(*argv, "ptype") == 0) {
+ if (ptypep)
+ duparg("ptype", *argv);
+ ptypep = *argv;
+
+ NEXT_ARG();
+ xfrm_policy_ptype_parse(&upt.type, &argc, &argv);
+ } else if (strcmp(*argv, "if_id") == 0) {
+ NEXT_ARG();
+ if (get_u32(&if_id, *argv, 0))
+ invarg("IF_ID value is invalid", *argv);
+ is_if_id_set = true;
+ } 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 (ptypep) {
+ addattr_l(&req.n, sizeof(req), XFRMA_POLICY_TYPE,
+ (void *)&upt, sizeof(upt));
+ }
+ 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 (mark.m & mark.v) {
+ int r = addattr_l(&req.n, sizeof(req.buf), XFRMA_MARK,
+ (void *)&mark, sizeof(mark));
+ if (r < 0) {
+ fprintf(stderr, "%s: XFRMA_MARK failed\n", __func__);
+ exit(1);
+ }
+ }
+
+ if (sctxp) {
+ addattr_l(&req.n, sizeof(req), XFRMA_SEC_CTX,
+ (void *)&ctx, ctx.sctx.len);
+ }
+
+ if (is_if_id_set)
+ addattr32(&req.n, sizeof(req.buf), XFRMA_IF_ID, if_id);
+
+ if (rtnl_talk(&rth, &req.n, answer) < 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)
+{
+ struct nlmsghdr *n = NULL;
+
+ xfrm_policy_get_or_delete(argc, argv, 0, &n);
+
+ if (xfrm_policy_print(n, (void *)stdout) < 0) {
+ fprintf(stderr, "An error :-)\n");
+ exit(1);
+ }
+
+ free(n);
+ 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(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 rtattr *tb[XFRMA_MAX+1];
+ __u8 ptype = XFRM_POLICY_TYPE_MAIN;
+ 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;
+ }
+
+ parse_rtattr(tb, XFRMA_MAX, XFRMP_RTA(xpinfo), len);
+
+ if (tb[XFRMA_POLICY_TYPE]) {
+ struct xfrm_userpolicy_type *upt;
+
+ if (RTA_PAYLOAD(tb[XFRMA_POLICY_TYPE]) < sizeof(*upt)) {
+ fprintf(stderr, "too short XFRMA_POLICY_TYPE len\n");
+ return -1;
+ }
+ upt = RTA_DATA(tb[XFRMA_POLICY_TYPE]);
+ ptype = upt->type;
+ }
+
+ if (!xfrm_policy_filter_match(xpinfo, ptype))
+ return 0;
+
+ /* can't delete socket policies */
+ if (xpinfo->dir >= XFRM_POLICY_MAX)
+ return 0;
+
+ if (xb->offset + NLMSG_LENGTH(sizeof(*xpid)) > xb->size)
+ return 0;
+
+ 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;
+
+ if (tb[XFRMA_MARK]) {
+ int r = addattr_l(new_n, xb->size, XFRMA_MARK,
+ (void *)RTA_DATA(tb[XFRMA_MARK]), tb[XFRMA_MARK]->rta_len);
+ if (r < 0) {
+ fprintf(stderr, "%s: XFRMA_MARK failed\n", __func__);
+ exit(1);
+ }
+ }
+
+ if (tb[XFRMA_IF_ID]) {
+ addattr32(new_n, xb->size, XFRMA_IF_ID,
+ rta_getattr_u32(tb[XFRMA_IF_ID]));
+ }
+
+ 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 || preferred_family != AF_UNSPEC)
+ 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 value is invalid", *argv);
+
+ filter.index_mask = XFRM_FILTER_MASK_FULL;
+
+ } else if (strcmp(*argv, "ptype") == 0) {
+ NEXT_ARG();
+ xfrm_policy_ptype_parse(&filter.ptype, &argc, &argv);
+
+ filter.ptype_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 value 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 value is invalid", *argv);
+
+ filter.priority_mask = XFRM_FILTER_MASK_FULL;
+
+ } else if (strcmp(*argv, "flag") == 0) {
+ NEXT_ARG();
+ xfrm_policy_flag_parse(&filter.xpinfo.flags, &argc,
+ &argv);
+
+ filter.policy_flags_mask = XFRM_FILTER_MASK_FULL;
+
+ } else if (strcmp(*argv, "nosock") == 0) {
+ /* filter all socket-based policies */
+ filter.filter_socket = 1;
+ } 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++) {
+ struct {
+ struct nlmsghdr n;
+ char buf[NLMSG_BUF_SIZE];
+ } req = {
+ .n.nlmsg_len = NLMSG_HDRLEN,
+ .n.nlmsg_flags = NLM_F_DUMP | NLM_F_REQUEST,
+ .n.nlmsg_type = XFRM_MSG_GETPOLICY,
+ .n.nlmsg_seq = rth.dump = ++rth.seq,
+ };
+
+ xb.offset = 0;
+ xb.nlmsg_count = 0;
+
+ if (show_stats > 1)
+ fprintf(stderr, "Delete-all round = %d\n", i);
+
+ if (rtnl_send(&rth, (void *)&req, req.n.nlmsg_len) < 0) {
+ perror("Cannot send dump request");
+ exit(1);
+ }
+
+ if (rtnl_dump_filter(&rth, xfrm_policy_keep, &xb) < 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_check(&rth, xb.buf, xb.offset) < 0) {
+ perror("Failed to send delete-all request");
+ 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 {
+ struct {
+ struct nlmsghdr n;
+ char buf[NLMSG_BUF_SIZE];
+ } req = {
+ .n.nlmsg_len = NLMSG_HDRLEN,
+ .n.nlmsg_flags = NLM_F_DUMP | NLM_F_REQUEST,
+ .n.nlmsg_type = XFRM_MSG_GETPOLICY,
+ .n.nlmsg_seq = rth.dump = ++rth.seq,
+ };
+
+ if (rtnl_send(&rth, (void *)&req, req.n.nlmsg_len) < 0) {
+ perror("Cannot send dump request");
+ exit(1);
+ }
+
+ if (rtnl_dump_filter(&rth, xfrm_policy_print, stdout) < 0) {
+ fprintf(stderr, "Dump terminated\n");
+ exit(1);
+ }
+ }
+
+ rtnl_close(&rth);
+
+ exit(0);
+}
+
+static int print_spdinfo(struct nlmsghdr *n, void *arg)
+{
+ FILE *fp = (FILE *)arg;
+ __u32 *f = NLMSG_DATA(n);
+ struct rtattr *tb[XFRMA_SPD_MAX+1];
+ struct rtattr *rta;
+
+ int len = n->nlmsg_len;
+
+ len -= NLMSG_LENGTH(sizeof(__u32));
+ if (len < 0) {
+ fprintf(stderr, "SPDinfo: Wrong len %d\n", len);
+ return -1;
+ }
+
+ rta = XFRMSAPD_RTA(f);
+ parse_rtattr(tb, XFRMA_SPD_MAX, rta, len);
+
+ fprintf(fp, "\t SPD");
+ if (tb[XFRMA_SPD_INFO]) {
+ struct xfrmu_spdinfo *si;
+
+ if (RTA_PAYLOAD(tb[XFRMA_SPD_INFO]) < sizeof(*si)) {
+ fprintf(stderr, "SPDinfo: Wrong len %d\n", len);
+ return -1;
+ }
+ si = RTA_DATA(tb[XFRMA_SPD_INFO]);
+ fprintf(fp, " IN %d", si->incnt);
+ fprintf(fp, " OUT %d", si->outcnt);
+ fprintf(fp, " FWD %d", si->fwdcnt);
+
+ if (show_stats) {
+ fprintf(fp, " (Sock:");
+ fprintf(fp, " IN %d", si->inscnt);
+ fprintf(fp, " OUT %d", si->outscnt);
+ fprintf(fp, " FWD %d", si->fwdscnt);
+ fprintf(fp, ")");
+ }
+
+ fprintf(fp, "%s", _SL_);
+ }
+ if (show_stats > 1) {
+ struct xfrmu_spdhinfo *sh;
+
+ if (tb[XFRMA_SPD_HINFO]) {
+ if (RTA_PAYLOAD(tb[XFRMA_SPD_HINFO]) < sizeof(*sh)) {
+ fprintf(stderr, "SPDinfo: Wrong len %d\n", len);
+ return -1;
+ }
+ sh = RTA_DATA(tb[XFRMA_SPD_HINFO]);
+ fprintf(fp, "\t SPD buckets:");
+ fprintf(fp, " count %d", sh->spdhcnt);
+ fprintf(fp, " Max %d", sh->spdhmcnt);
+ fprintf(fp, "%s", _SL_);
+ }
+ if (tb[XFRMA_SPD_IPV4_HTHRESH]) {
+ struct xfrmu_spdhthresh *th;
+
+ if (RTA_PAYLOAD(tb[XFRMA_SPD_IPV4_HTHRESH]) < sizeof(*th)) {
+ fprintf(stderr, "SPDinfo: Wrong len %d\n", len);
+ return -1;
+ }
+ th = RTA_DATA(tb[XFRMA_SPD_IPV4_HTHRESH]);
+ fprintf(fp, "\t SPD IPv4 thresholds:");
+ fprintf(fp, " local %d", th->lbits);
+ fprintf(fp, " remote %d", th->rbits);
+ fprintf(fp, "%s", _SL_);
+
+ }
+ if (tb[XFRMA_SPD_IPV6_HTHRESH]) {
+ struct xfrmu_spdhthresh *th;
+
+ if (RTA_PAYLOAD(tb[XFRMA_SPD_IPV6_HTHRESH]) < sizeof(*th)) {
+ fprintf(stderr, "SPDinfo: Wrong len %d\n", len);
+ return -1;
+ }
+ th = RTA_DATA(tb[XFRMA_SPD_IPV6_HTHRESH]);
+ fprintf(fp, "\t SPD IPv6 thresholds:");
+ fprintf(fp, " local %d", th->lbits);
+ fprintf(fp, " remote %d", th->rbits);
+ fprintf(fp, "%s", _SL_);
+ }
+ }
+
+ if (oneline)
+ fprintf(fp, "\n");
+
+ return 0;
+}
+
+static int xfrm_spd_setinfo(int argc, char **argv)
+{
+ struct rtnl_handle rth;
+ struct {
+ struct nlmsghdr n;
+ __u32 flags;
+ char buf[RTA_BUF_SIZE];
+ } req = {
+ .n.nlmsg_len = NLMSG_LENGTH(sizeof(__u32)),
+ .n.nlmsg_flags = NLM_F_REQUEST,
+ .n.nlmsg_type = XFRM_MSG_NEWSPDINFO,
+ .flags = 0XFFFFFFFF,
+ };
+
+ char *thr4 = NULL;
+ char *thr6 = NULL;
+
+ while (argc > 0) {
+ if (strcmp(*argv, "hthresh4") == 0) {
+ struct xfrmu_spdhthresh thr;
+
+ if (thr4)
+ duparg("hthresh4", *argv);
+ thr4 = *argv;
+ NEXT_ARG();
+ if (get_u8(&thr.lbits, *argv, 0) || thr.lbits > 32)
+ invarg("hthresh4 LBITS value is invalid", *argv);
+ NEXT_ARG();
+ if (get_u8(&thr.rbits, *argv, 0) || thr.rbits > 32)
+ invarg("hthresh4 RBITS value is invalid", *argv);
+
+ addattr_l(&req.n, sizeof(req), XFRMA_SPD_IPV4_HTHRESH,
+ (void *)&thr, sizeof(thr));
+ } else if (strcmp(*argv, "hthresh6") == 0) {
+ struct xfrmu_spdhthresh thr;
+
+ if (thr6)
+ duparg("hthresh6", *argv);
+ thr6 = *argv;
+ NEXT_ARG();
+ if (get_u8(&thr.lbits, *argv, 0) || thr.lbits > 128)
+ invarg("hthresh6 LBITS value is invalid", *argv);
+ NEXT_ARG();
+ if (get_u8(&thr.rbits, *argv, 0) || thr.rbits > 128)
+ invarg("hthresh6 RBITS value is invalid", *argv);
+
+ addattr_l(&req.n, sizeof(req), XFRMA_SPD_IPV6_HTHRESH,
+ (void *)&thr, sizeof(thr));
+ } else {
+ invarg("unknown", *argv);
+ }
+
+ argc--; argv++;
+ }
+
+ if (rtnl_open_byproto(&rth, 0, NETLINK_XFRM) < 0)
+ exit(1);
+
+ if (rtnl_talk(&rth, &req.n, NULL) < 0)
+ exit(2);
+
+ rtnl_close(&rth);
+
+ return 0;
+}
+
+static int xfrm_spd_getinfo(int argc, char **argv)
+{
+ struct rtnl_handle rth;
+ struct {
+ struct nlmsghdr n;
+ __u32 flags;
+ } req = {
+ .n.nlmsg_len = NLMSG_LENGTH(sizeof(__u32)),
+ .n.nlmsg_flags = NLM_F_REQUEST,
+ .n.nlmsg_type = XFRM_MSG_GETSPDINFO,
+ .flags = 0XFFFFFFFF,
+ };
+ struct nlmsghdr *answer;
+
+ if (rtnl_open_byproto(&rth, 0, NETLINK_XFRM) < 0)
+ exit(1);
+
+ if (rtnl_talk(&rth, &req.n, &answer) < 0)
+ exit(2);
+
+ print_spdinfo(answer, (void *)stdout);
+
+ free(answer);
+ rtnl_close(&rth);
+
+ return 0;
+}
+
+static int xfrm_str_to_policy(char *name, uint8_t *policy)
+{
+ if (strcmp(name, "block") == 0) {
+ *policy = XFRM_USERPOLICY_BLOCK;
+ return 0;
+ } else if (strcmp(name, "accept") == 0 ||
+ strcmp(name, "allow") == 0) {
+ *policy = XFRM_USERPOLICY_ACCEPT;
+ return 0;
+ }
+
+ return -1;
+}
+
+static char *xfrm_policy_to_str(uint8_t policy)
+{
+ switch (policy) {
+ case XFRM_USERPOLICY_UNSPEC:
+ return "unspec";
+ case XFRM_USERPOLICY_BLOCK:
+ return "block";
+ case XFRM_USERPOLICY_ACCEPT:
+ return "accept";
+ default:
+ return "unknown";
+ }
+}
+
+static int xfrm_spd_setdefault(int argc, char **argv)
+{
+ struct rtnl_handle rth;
+ struct {
+ struct nlmsghdr n;
+ struct xfrm_userpolicy_default up;
+ } req = {
+ .n.nlmsg_len = NLMSG_LENGTH(sizeof(struct xfrm_userpolicy_default)),
+ .n.nlmsg_flags = NLM_F_REQUEST,
+ .n.nlmsg_type = XFRM_MSG_SETDEFAULT,
+ };
+
+ while (argc > 0) {
+ if (strcmp(*argv, "in") == 0) {
+ if (req.up.in)
+ duparg("in", *argv);
+
+ NEXT_ARG();
+ if (xfrm_str_to_policy(*argv, &req.up.in) < 0)
+ invarg("in policy value is invalid", *argv);
+ } else if (strcmp(*argv, "fwd") == 0) {
+ if (req.up.fwd)
+ duparg("fwd", *argv);
+
+ NEXT_ARG();
+ if (xfrm_str_to_policy(*argv, &req.up.fwd) < 0)
+ invarg("fwd policy value is invalid", *argv);
+ } else if (strcmp(*argv, "out") == 0) {
+ if (req.up.out)
+ duparg("out", *argv);
+
+ NEXT_ARG();
+ if (xfrm_str_to_policy(*argv, &req.up.out) < 0)
+ invarg("out policy value is invalid", *argv);
+ } else {
+ invarg("unknown direction", *argv);
+ }
+
+ argc--; argv++;
+ }
+
+ if (rtnl_open_byproto(&rth, 0, NETLINK_XFRM) < 0)
+ exit(1);
+
+ if (rtnl_talk(&rth, &req.n, NULL) < 0)
+ exit(2);
+
+ rtnl_close(&rth);
+
+ return 0;
+}
+
+int xfrm_policy_default_print(struct nlmsghdr *n, FILE *fp)
+{
+ struct xfrm_userpolicy_default *up = NLMSG_DATA(n);
+ int len = n->nlmsg_len - NLMSG_SPACE(sizeof(*up));
+
+ if (len < 0) {
+ fprintf(stderr,
+ "BUG: short nlmsg len %u (expect %lu) for XFRM_MSG_GETDEFAULT\n",
+ n->nlmsg_len, NLMSG_SPACE(sizeof(*up)));
+ return -1;
+ }
+
+ fprintf(fp, "Default policies:\n");
+ fprintf(fp, " in: %s\n", xfrm_policy_to_str(up->in));
+ fprintf(fp, " fwd: %s\n", xfrm_policy_to_str(up->fwd));
+ fprintf(fp, " out: %s\n", xfrm_policy_to_str(up->out));
+ fflush(fp);
+
+ return 0;
+}
+
+static int xfrm_spd_getdefault(int argc, char **argv)
+{
+ struct rtnl_handle rth;
+ struct {
+ struct nlmsghdr n;
+ struct xfrm_userpolicy_default up;
+ } req = {
+ .n.nlmsg_len = NLMSG_LENGTH(sizeof(struct xfrm_userpolicy_default)),
+ .n.nlmsg_flags = NLM_F_REQUEST,
+ .n.nlmsg_type = XFRM_MSG_GETDEFAULT,
+ };
+ struct nlmsghdr *answer;
+
+ if (rtnl_open_byproto(&rth, 0, NETLINK_XFRM) < 0)
+ exit(1);
+
+ if (rtnl_talk(&rth, &req.n, &answer) < 0)
+ exit(2);
+
+ xfrm_policy_default_print(answer, (FILE *)stdout);
+
+ free(answer);
+ rtnl_close(&rth);
+
+ return 0;
+}
+
+static int xfrm_policy_flush(int argc, char **argv)
+{
+ struct rtnl_handle rth;
+ struct {
+ struct nlmsghdr n;
+ char buf[RTA_BUF_SIZE];
+ } req = {
+ .n.nlmsg_len = NLMSG_LENGTH(0), /* nlmsg data is nothing */
+ .n.nlmsg_flags = NLM_F_REQUEST,
+ .n.nlmsg_type = XFRM_MSG_FLUSHPOLICY,
+ };
+ char *ptypep = NULL;
+ struct xfrm_userpolicy_type upt = {};
+
+ while (argc > 0) {
+ if (strcmp(*argv, "ptype") == 0) {
+ if (ptypep)
+ duparg("ptype", *argv);
+ ptypep = *argv;
+
+ NEXT_ARG();
+ xfrm_policy_ptype_parse(&upt.type, &argc, &argv);
+ } else
+ invarg("unknown", *argv);
+
+ argc--; argv++;
+ }
+
+ if (ptypep) {
+ addattr_l(&req.n, sizeof(req), XFRMA_POLICY_TYPE,
+ (void *)&upt, sizeof(upt));
+ }
+
+ 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, 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(argc-1, argv+1);
+ if (matches(*argv, "count") == 0)
+ return xfrm_spd_getinfo(argc, argv);
+ if (matches(*argv, "set") == 0)
+ return xfrm_spd_setinfo(argc-1, argv+1);
+ if (matches(*argv, "setdefault") == 0)
+ return xfrm_spd_setdefault(argc-1, argv+1);
+ if (matches(*argv, "getdefault") == 0)
+ return xfrm_spd_getdefault(argc-1, argv+1);
+ if (matches(*argv, "help") == 0)
+ usage();
+ fprintf(stderr, "Command \"%s\" is unknown, try \"ip xfrm policy help\".\n", *argv);
+ exit(-1);
+}
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-08 19:15:39 +0000