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xfrm: policy by mark

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Add support for SP manipulation by mark

Signed-off-by: Jamal Hadi Salim <hadi@cyberus.ca>
This commit is contained in:
Jamal Hadi Salim 2010-02-23 03:15:11 +00:00 committed by Stephen Hemminger
parent e906975a53
commit ee675e8714
1 changed files with 27 additions and 2 deletions
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29
ip/xfrm_policy.c
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@ -54,8 +54,8 @@ static void usage(void) __attribute__((noreturn));
static void usage(void)
{
fprintf(stderr, "Usage: ip xfrm policy { add | update } dir DIR SELECTOR [ index INDEX ] [ ptype PTYPE ]\n");
fprintf(stderr, " [ action ACTION ] [ priority PRIORITY ] [ flag FLAG-LIST ] [ LIMIT-LIST ] [ TMPL-LIST ]\n");
fprintf(stderr, "Usage: ip xfrm policy { delete | get } dir DIR [ SELECTOR | index INDEX ] [ ptype PTYPE ]\n");
fprintf(stderr, " [ action ACTION ] [ priority PRIORITY ] [ flag FLAG-LIST ] [ LIMIT-LIST ] [ TMPL-LIST ] [mark MARK [mask MASK]]\n");
fprintf(stderr, "Usage: ip xfrm policy { delete | get } dir DIR [ SELECTOR | index INDEX ] [ ptype PTYPE ] [mark MARK [mask MASK]]\n");
fprintf(stderr, "Usage: ip xfrm policy { deleteall | list } [ dir DIR ] [ SELECTOR ]\n");
fprintf(stderr, " [ index INDEX ] [ action ACTION ] [ priority PRIORITY ] [ flag FLAG-LIST ]\n");
fprintf(stderr, "Usage: ip xfrm policy flush [ ptype PTYPE ]\n");
@ -235,6 +235,7 @@ static int xfrm_policy_modify(int cmd, unsigned flags, int argc, char **argv)
struct xfrm_userpolicy_type upt;
char tmpls_buf[XFRM_TMPLS_BUF_SIZE];
int tmpls_len = 0;
struct xfrm_mark mark = {0, 0};
memset(&req, 0, sizeof(req));
memset(&upt, 0, sizeof(upt));
@ -258,6 +259,8 @@ static int xfrm_policy_modify(int cmd, unsigned flags, int argc, char **argv)
NEXT_ARG();
xfrm_policy_dir_parse(&req.xpinfo.dir, &argc, &argv);
} 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))
@ -334,6 +337,16 @@ static int xfrm_policy_modify(int cmd, unsigned flags, int argc, char **argv)
(void *)tmpls_buf, tmpls_len);
}
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 (rtnl_open_byproto(&rth, 0, NETLINK_XFRM) < 0)
exit(1);
@ -515,6 +528,7 @@ static int xfrm_policy_get_or_delete(int argc, char **argv, int delete,
char *indexp = NULL;
char *ptypep = NULL;
struct xfrm_userpolicy_type upt;
struct xfrm_mark mark = {0, 0};
memset(&req, 0, sizeof(req));
memset(&upt, 0, sizeof(upt));
@ -532,6 +546,8 @@ static int xfrm_policy_get_or_delete(int argc, char **argv, int delete,
NEXT_ARG();
xfrm_policy_dir_parse(&req.xpid.dir, &argc, &argv);
} else if (strcmp(*argv, "mark") == 0) {
xfrm_parse_mark(&mark, &argc, &argv);
} else if (strcmp(*argv, "index") == 0) {
if (indexp)
duparg("index", *argv);
@ -584,6 +600,15 @@ static int xfrm_policy_get_or_delete(int argc, char **argv, int delete,
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 (rtnl_talk(&rth, &req.n, 0, 0, res_nlbuf, NULL, NULL) < 0)
exit(2);