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ipxfrm: wrong nl msg sent on deleteall cmd 

XFRM netlink family is independent from the route netlink family. It's wrong
to call rtnl_wilddump_request(), because it will add a 'struct ifinfomsg' into
the header and the kernel will complain (at least for xfrm state):

netlink: 24 bytes leftover after parsing attributes in process `ip'.

Reported-by: Gregory Hoggarth <Gregory.Hoggarth@alliedtelesis.co.nz>
Signed-off-by: Nicolas Dichtel <nicolas.dichtel@6wind.com>
This commit is contained in:
Nicolas Dichtel 2015-04-15 14:00:53 +02:00 committed by Stephen Hemminger
parent d652ccbf81
commit 782cf01dc0
2 changed files with 33 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

24
ip/xfrm_policy.c
View File

@ -848,13 +848,23 @@ static int xfrm_policy_list_or_deleteall(int argc, char **argv, int deleteall)
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_wilddump_request(&rth, preferred_family, XFRM_MSG_GETPOLICY) < 0) {
if (rtnl_send(&rth, (void *)&req, req.n.nlmsg_len) < 0) {
perror("Cannot send dump request");
exit(1);
}
@ -880,7 +890,17 @@ static int xfrm_policy_list_or_deleteall(int argc, char **argv, int deleteall)
xb.nlmsg_count = 0;
}
} else {
if (rtnl_wilddump_request(&rth, preferred_family, XFRM_MSG_GETPOLICY) < 0) {
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);
}

12
ip/xfrm_state.c
View File

@ -1148,13 +1148,23 @@ static int xfrm_state_list_or_deleteall(int argc, char **argv, int deleteall)
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_GETSA,
.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_wilddump_request(&rth, preferred_family, XFRM_MSG_GETSA) < 0) {
if (rtnl_send(&rth, (void *)&req, req.n.nlmsg_len) < 0) {
perror("Cannot send dump request");
exit(1);
}