mirror of https://github.com/hak5/openwrt-owl.git
86 lines
2.1 KiB
Diff
86 lines
2.1 KiB
Diff
--- a/include/linux/kobject.h
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+++ b/include/linux/kobject.h
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@@ -31,6 +31,8 @@
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#define UEVENT_NUM_ENVP 32 /* number of env pointers */
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#define UEVENT_BUFFER_SIZE 2048 /* buffer for the variables */
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+struct sk_buff;
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+
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/* path to the userspace helper executed on an event */
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extern char uevent_helper[];
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@@ -217,6 +219,10 @@ int add_uevent_var(struct kobj_uevent_en
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int kobject_action_type(const char *buf, size_t count,
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enum kobject_action *type);
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+
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+int broadcast_uevent(struct sk_buff *skb, __u32 pid, __u32 group,
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+ gfp_t allocation);
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+
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#else
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static inline int kobject_uevent(struct kobject *kobj,
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enum kobject_action action)
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@@ -233,6 +239,16 @@ int add_uevent_var(struct kobj_uevent_en
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static inline int kobject_action_type(const char *buf, size_t count,
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enum kobject_action *type)
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{ return -EINVAL; }
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+
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+void kfree_skb(struct sk_buff *);
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+
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+static inline int broadcast_uevent(struct sk_buff *skb, __u32 pid, __u32 group,
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+ gfp_t allocation)
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+{
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+ kfree_skb(skb);
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+ return 0;
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+}
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+
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#endif
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#endif /* _KOBJECT_H_ */
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--- a/lib/kobject_uevent.c
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+++ b/lib/kobject_uevent.c
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@@ -377,6 +377,43 @@ int add_uevent_var(struct kobj_uevent_en
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EXPORT_SYMBOL_GPL(add_uevent_var);
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#if defined(CONFIG_NET)
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+int broadcast_uevent(struct sk_buff *skb, __u32 pid, __u32 group,
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+ gfp_t allocation)
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+{
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+ struct uevent_sock *ue_sk;
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+ int err = 0;
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+
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+ /* send netlink message */
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+ mutex_lock(&uevent_sock_mutex);
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+ list_for_each_entry(ue_sk, &uevent_sock_list, list) {
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+ struct sock *uevent_sock = ue_sk->sk;
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+ struct sk_buff *skb2;
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+
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+ skb2 = skb_clone(skb, allocation);
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+ if (!skb2)
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+ break;
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+
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+ err = netlink_broadcast(uevent_sock, skb2, pid, group,
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+ allocation);
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+ if (err)
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+ break;
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+ }
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+ mutex_unlock(&uevent_sock_mutex);
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+
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+ kfree_skb(skb);
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+ return err;
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+}
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+#else
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+int broadcast_uevent(struct sk_buff *skb, __u32 pid, __u32 group,
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+ gfp_t allocation)
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+{
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+ kfree_skb(skb);
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+ return 0;
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+}
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+#endif
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+EXPORT_SYMBOL_GPL(broadcast_uevent);
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+
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+#if defined(CONFIG_NET)
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static int uevent_net_init(struct net *net)
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{
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struct uevent_sock *ue_sk;
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