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Diffstat (limited to 'net/ieee802154/nl802154.c')
-rw-r--r--net/ieee802154/nl802154.c89
1 files changed, 71 insertions, 18 deletions
diff --git a/net/ieee802154/nl802154.c b/net/ieee802154/nl802154.c
index 7c5a1aa5adb4..38c4f3cb010e 100644
--- a/net/ieee802154/nl802154.c
+++ b/net/ieee802154/nl802154.c
@@ -820,8 +820,13 @@ nl802154_send_iface(struct sk_buff *msg, u32 portid, u32 seq, int flags,
goto nla_put_failure;
#ifdef CONFIG_IEEE802154_NL802154_EXPERIMENTAL
+ if (wpan_dev->iftype == NL802154_IFTYPE_MONITOR)
+ goto out;
+
if (nl802154_get_llsec_params(msg, rdev, wpan_dev) < 0)
goto nla_put_failure;
+
+out:
#endif /* CONFIG_IEEE802154_NL802154_EXPERIMENTAL */
genlmsg_end(msg, hdr);
@@ -1293,19 +1298,20 @@ ieee802154_llsec_parse_dev_addr(struct nlattr *nla,
if (!nla || nla_parse_nested_deprecated(attrs, NL802154_DEV_ADDR_ATTR_MAX, nla, nl802154_dev_addr_policy, NULL))
return -EINVAL;
- if (!attrs[NL802154_DEV_ADDR_ATTR_PAN_ID] ||
- !attrs[NL802154_DEV_ADDR_ATTR_MODE] ||
- !(attrs[NL802154_DEV_ADDR_ATTR_SHORT] ||
- attrs[NL802154_DEV_ADDR_ATTR_EXTENDED]))
+ if (!attrs[NL802154_DEV_ADDR_ATTR_PAN_ID] || !attrs[NL802154_DEV_ADDR_ATTR_MODE])
return -EINVAL;
addr->pan_id = nla_get_le16(attrs[NL802154_DEV_ADDR_ATTR_PAN_ID]);
addr->mode = nla_get_u32(attrs[NL802154_DEV_ADDR_ATTR_MODE]);
switch (addr->mode) {
case NL802154_DEV_ADDR_SHORT:
+ if (!attrs[NL802154_DEV_ADDR_ATTR_SHORT])
+ return -EINVAL;
addr->short_addr = nla_get_le16(attrs[NL802154_DEV_ADDR_ATTR_SHORT]);
break;
case NL802154_DEV_ADDR_EXTENDED:
+ if (!attrs[NL802154_DEV_ADDR_ATTR_EXTENDED])
+ return -EINVAL;
addr->extended_addr = nla_get_le64(attrs[NL802154_DEV_ADDR_ATTR_EXTENDED]);
break;
default:
@@ -1384,6 +1390,9 @@ static int nl802154_set_llsec_params(struct sk_buff *skb,
u32 changed = 0;
int ret;
+ if (wpan_dev->iftype == NL802154_IFTYPE_MONITOR)
+ return -EOPNOTSUPP;
+
if (info->attrs[NL802154_ATTR_SEC_ENABLED]) {
u8 enabled;
@@ -1432,7 +1441,7 @@ static int nl802154_send_key(struct sk_buff *msg, u32 cmd, u32 portid,
hdr = nl802154hdr_put(msg, portid, seq, flags, cmd);
if (!hdr)
- return -1;
+ return -ENOBUFS;
if (nla_put_u32(msg, NL802154_ATTR_IFINDEX, dev->ifindex))
goto nla_put_failure;
@@ -1490,6 +1499,11 @@ nl802154_dump_llsec_key(struct sk_buff *skb, struct netlink_callback *cb)
if (err)
return err;
+ if (wpan_dev->iftype == NL802154_IFTYPE_MONITOR) {
+ err = skb->len;
+ goto out_err;
+ }
+
if (!wpan_dev->netdev) {
err = -EINVAL;
goto out_err;
@@ -1544,7 +1558,11 @@ static int nl802154_add_llsec_key(struct sk_buff *skb, struct genl_info *info)
struct ieee802154_llsec_key_id id = { };
u32 commands[NL802154_CMD_FRAME_NR_IDS / 32] = { };
- if (nla_parse_nested_deprecated(attrs, NL802154_KEY_ATTR_MAX, info->attrs[NL802154_ATTR_SEC_KEY], nl802154_key_policy, info->extack))
+ if (wpan_dev->iftype == NL802154_IFTYPE_MONITOR)
+ return -EOPNOTSUPP;
+
+ if (!info->attrs[NL802154_ATTR_SEC_KEY] ||
+ nla_parse_nested_deprecated(attrs, NL802154_KEY_ATTR_MAX, info->attrs[NL802154_ATTR_SEC_KEY], nl802154_key_policy, info->extack))
return -EINVAL;
if (!attrs[NL802154_KEY_ATTR_USAGE_FRAMES] ||
@@ -1592,7 +1610,11 @@ static int nl802154_del_llsec_key(struct sk_buff *skb, struct genl_info *info)
struct nlattr *attrs[NL802154_KEY_ATTR_MAX + 1];
struct ieee802154_llsec_key_id id;
- if (nla_parse_nested_deprecated(attrs, NL802154_KEY_ATTR_MAX, info->attrs[NL802154_ATTR_SEC_KEY], nl802154_key_policy, info->extack))
+ if (wpan_dev->iftype == NL802154_IFTYPE_MONITOR)
+ return -EOPNOTSUPP;
+
+ if (!info->attrs[NL802154_ATTR_SEC_KEY] ||
+ nla_parse_nested_deprecated(attrs, NL802154_KEY_ATTR_MAX, info->attrs[NL802154_ATTR_SEC_KEY], nl802154_key_policy, info->extack))
return -EINVAL;
if (ieee802154_llsec_parse_key_id(attrs[NL802154_KEY_ATTR_ID], &id) < 0)
@@ -1612,7 +1634,7 @@ static int nl802154_send_device(struct sk_buff *msg, u32 cmd, u32 portid,
hdr = nl802154hdr_put(msg, portid, seq, flags, cmd);
if (!hdr)
- return -1;
+ return -ENOBUFS;
if (nla_put_u32(msg, NL802154_ATTR_IFINDEX, dev->ifindex))
goto nla_put_failure;
@@ -1656,6 +1678,11 @@ nl802154_dump_llsec_dev(struct sk_buff *skb, struct netlink_callback *cb)
if (err)
return err;
+ if (wpan_dev->iftype == NL802154_IFTYPE_MONITOR) {
+ err = skb->len;
+ goto out_err;
+ }
+
if (!wpan_dev->netdev) {
err = -EINVAL;
goto out_err;
@@ -1742,6 +1769,9 @@ static int nl802154_add_llsec_dev(struct sk_buff *skb, struct genl_info *info)
struct wpan_dev *wpan_dev = dev->ieee802154_ptr;
struct ieee802154_llsec_device dev_desc;
+ if (wpan_dev->iftype == NL802154_IFTYPE_MONITOR)
+ return -EOPNOTSUPP;
+
if (ieee802154_llsec_parse_device(info->attrs[NL802154_ATTR_SEC_DEVICE],
&dev_desc) < 0)
return -EINVAL;
@@ -1757,7 +1787,11 @@ static int nl802154_del_llsec_dev(struct sk_buff *skb, struct genl_info *info)
struct nlattr *attrs[NL802154_DEV_ATTR_MAX + 1];
__le64 extended_addr;
- if (nla_parse_nested_deprecated(attrs, NL802154_DEV_ATTR_MAX, info->attrs[NL802154_ATTR_SEC_DEVICE], nl802154_dev_policy, info->extack))
+ if (wpan_dev->iftype == NL802154_IFTYPE_MONITOR)
+ return -EOPNOTSUPP;
+
+ if (!info->attrs[NL802154_ATTR_SEC_DEVICE] ||
+ nla_parse_nested_deprecated(attrs, NL802154_DEV_ATTR_MAX, info->attrs[NL802154_ATTR_SEC_DEVICE], nl802154_dev_policy, info->extack))
return -EINVAL;
if (!attrs[NL802154_DEV_ATTR_EXTENDED_ADDR])
@@ -1778,7 +1812,7 @@ static int nl802154_send_devkey(struct sk_buff *msg, u32 cmd, u32 portid,
hdr = nl802154hdr_put(msg, portid, seq, flags, cmd);
if (!hdr)
- return -1;
+ return -ENOBUFS;
if (nla_put_u32(msg, NL802154_ATTR_IFINDEX, dev->ifindex))
goto nla_put_failure;
@@ -1825,6 +1859,11 @@ nl802154_dump_llsec_devkey(struct sk_buff *skb, struct netlink_callback *cb)
if (err)
return err;
+ if (wpan_dev->iftype == NL802154_IFTYPE_MONITOR) {
+ err = skb->len;
+ goto out_err;
+ }
+
if (!wpan_dev->netdev) {
err = -EINVAL;
goto out_err;
@@ -1882,6 +1921,9 @@ static int nl802154_add_llsec_devkey(struct sk_buff *skb, struct genl_info *info
struct ieee802154_llsec_device_key key;
__le64 extended_addr;
+ if (wpan_dev->iftype == NL802154_IFTYPE_MONITOR)
+ return -EOPNOTSUPP;
+
if (!info->attrs[NL802154_ATTR_SEC_DEVKEY] ||
nla_parse_nested_deprecated(attrs, NL802154_DEVKEY_ATTR_MAX, info->attrs[NL802154_ATTR_SEC_DEVKEY], nl802154_devkey_policy, info->extack) < 0)
return -EINVAL;
@@ -1913,7 +1955,11 @@ static int nl802154_del_llsec_devkey(struct sk_buff *skb, struct genl_info *info
struct ieee802154_llsec_device_key key;
__le64 extended_addr;
- if (nla_parse_nested_deprecated(attrs, NL802154_DEVKEY_ATTR_MAX, info->attrs[NL802154_ATTR_SEC_DEVKEY], nl802154_devkey_policy, info->extack))
+ if (wpan_dev->iftype == NL802154_IFTYPE_MONITOR)
+ return -EOPNOTSUPP;
+
+ if (!info->attrs[NL802154_ATTR_SEC_DEVKEY] ||
+ nla_parse_nested_deprecated(attrs, NL802154_DEVKEY_ATTR_MAX, info->attrs[NL802154_ATTR_SEC_DEVKEY], nl802154_devkey_policy, info->extack))
return -EINVAL;
if (!attrs[NL802154_DEVKEY_ATTR_EXTENDED_ADDR])
@@ -1942,7 +1988,7 @@ static int nl802154_send_seclevel(struct sk_buff *msg, u32 cmd, u32 portid,
hdr = nl802154hdr_put(msg, portid, seq, flags, cmd);
if (!hdr)
- return -1;
+ return -ENOBUFS;
if (nla_put_u32(msg, NL802154_ATTR_IFINDEX, dev->ifindex))
goto nla_put_failure;
@@ -1986,6 +2032,11 @@ nl802154_dump_llsec_seclevel(struct sk_buff *skb, struct netlink_callback *cb)
if (err)
return err;
+ if (wpan_dev->iftype == NL802154_IFTYPE_MONITOR) {
+ err = skb->len;
+ goto out_err;
+ }
+
if (!wpan_dev->netdev) {
err = -EINVAL;
goto out_err;
@@ -2070,6 +2121,9 @@ static int nl802154_add_llsec_seclevel(struct sk_buff *skb,
struct wpan_dev *wpan_dev = dev->ieee802154_ptr;
struct ieee802154_llsec_seclevel sl;
+ if (wpan_dev->iftype == NL802154_IFTYPE_MONITOR)
+ return -EOPNOTSUPP;
+
if (llsec_parse_seclevel(info->attrs[NL802154_ATTR_SEC_LEVEL],
&sl) < 0)
return -EINVAL;
@@ -2085,6 +2139,9 @@ static int nl802154_del_llsec_seclevel(struct sk_buff *skb,
struct wpan_dev *wpan_dev = dev->ieee802154_ptr;
struct ieee802154_llsec_seclevel sl;
+ if (wpan_dev->iftype == NL802154_IFTYPE_MONITOR)
+ return -EOPNOTSUPP;
+
if (!info->attrs[NL802154_ATTR_SEC_LEVEL] ||
llsec_parse_seclevel(info->attrs[NL802154_ATTR_SEC_LEVEL],
&sl) < 0)
@@ -2098,11 +2155,7 @@ static int nl802154_del_llsec_seclevel(struct sk_buff *skb,
#define NL802154_FLAG_NEED_NETDEV 0x02
#define NL802154_FLAG_NEED_RTNL 0x04
#define NL802154_FLAG_CHECK_NETDEV_UP 0x08
-#define NL802154_FLAG_NEED_NETDEV_UP (NL802154_FLAG_NEED_NETDEV |\
- NL802154_FLAG_CHECK_NETDEV_UP)
#define NL802154_FLAG_NEED_WPAN_DEV 0x10
-#define NL802154_FLAG_NEED_WPAN_DEV_UP (NL802154_FLAG_NEED_WPAN_DEV |\
- NL802154_FLAG_CHECK_NETDEV_UP)
static int nl802154_pre_doit(const struct genl_ops *ops, struct sk_buff *skb,
struct genl_info *info)
@@ -2173,8 +2226,7 @@ static void nl802154_post_doit(const struct genl_ops *ops, struct sk_buff *skb,
if (ops->internal_flags & NL802154_FLAG_NEED_WPAN_DEV) {
struct wpan_dev *wpan_dev = info->user_ptr[1];
- if (wpan_dev->netdev)
- dev_put(wpan_dev->netdev);
+ dev_put(wpan_dev->netdev);
} else {
dev_put(info->user_ptr[1]);
}
@@ -2448,6 +2500,7 @@ static struct genl_family nl802154_fam __ro_after_init = {
.module = THIS_MODULE,
.ops = nl802154_ops,
.n_ops = ARRAY_SIZE(nl802154_ops),
+ .resv_start_op = NL802154_CMD_DEL_SEC_LEVEL + 1,
.mcgrps = nl802154_mcgrps,
.n_mcgrps = ARRAY_SIZE(nl802154_mcgrps),
};
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.