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| author |   Ross Zwisler <ross.zwisler@linux.intel.com> | 2018-02-03 00:26:10 -0700 |
|---|---|---|
| committer | Ross Zwisler <ross.zwisler@linux.intel.com> | 2018-02-03 00:26:10 -0700 |
| commit | d121f07691415df824e6b60520f782f6d13b3c81 (patch) | |
| tree | 422ad3cc6fd631604fef4e469e49bacba8202e52 /net/netfilter/nfnetlink_cthelper.c | |
| parent | libnvdimm, namespace: remove redundant initialization of 'nd_mapping' (diff) | |
| parent | dax: require 'struct page' by default for filesystem dax (diff) | |
| download | linux-dev-d121f07691415df824e6b60520f782f6d13b3c81.tar.xz linux-dev-d121f07691415df824e6b60520f782f6d13b3c81.zip | |
Merge branch 'for-4.16/dax' into libnvdimm-for-next
Diffstat (limited to 'net/netfilter/nfnetlink_cthelper.c')
| -rw-r--r-- | net/netfilter/nfnetlink_cthelper.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/net/netfilter/nfnetlink_cthelper.c b/net/netfilter/nfnetlink_cthelper.c index 41628b393673..d33ce6d5ebce 100644 --- a/net/netfilter/nfnetlink_cthelper.c +++ b/net/netfilter/nfnetlink_cthelper.c @@ -17,6 +17,7 @@ #include <linux/types.h> #include <linux/list.h> #include <linux/errno.h> +#include <linux/capability.h> #include <net/netlink.h> #include <net/sock.h> @@ -407,6 +408,9 @@ static int nfnl_cthelper_new(struct net *net, struct sock *nfnl, struct nfnl_cthelper *nlcth; int ret = 0; + if (!capable(CAP_NET_ADMIN)) + return -EPERM; + if (!tb[NFCTH_NAME] || !tb[NFCTH_TUPLE]) return -EINVAL; @@ -611,6 +615,9 @@ static int nfnl_cthelper_get(struct net *net, struct sock *nfnl, struct nfnl_cthelper *nlcth; bool tuple_set = false; + if (!capable(CAP_NET_ADMIN)) + return -EPERM; + if (nlh->nlmsg_flags & NLM_F_DUMP) { struct netlink_dump_control c = { .dump = nfnl_cthelper_dump_table, @@ -678,6 +685,9 @@ static int nfnl_cthelper_del(struct net *net, struct sock *nfnl, struct nfnl_cthelper *nlcth, *n; int j = 0, ret; + if (!capable(CAP_NET_ADMIN)) + return -EPERM; + if (tb[NFCTH_NAME]) helper_name = nla_data(tb[NFCTH_NAME]); |