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a53b72c83a
The permission check in sock_diag_put_filterinfo is wrong, and it is so removed from it's sources it is not clear why it is wrong. Move the computation into packet_diag_dump and pass a bool of the result into sock_diag_filterinfo. This does not yet correct the capability check but instead simply moves it to make it clear what is going on. Reported-by: Andy Lutomirski <luto@amacapital.net> Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com> Signed-off-by: David S. Miller <davem@davemloft.net>
30 lines
882 B
C
30 lines
882 B
C
#ifndef __SOCK_DIAG_H__
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#define __SOCK_DIAG_H__
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#include <linux/user_namespace.h>
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#include <uapi/linux/sock_diag.h>
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struct sk_buff;
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struct nlmsghdr;
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struct sock;
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struct sock_diag_handler {
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__u8 family;
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int (*dump)(struct sk_buff *skb, struct nlmsghdr *nlh);
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};
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int sock_diag_register(const struct sock_diag_handler *h);
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void sock_diag_unregister(const struct sock_diag_handler *h);
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void sock_diag_register_inet_compat(int (*fn)(struct sk_buff *skb, struct nlmsghdr *nlh));
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void sock_diag_unregister_inet_compat(int (*fn)(struct sk_buff *skb, struct nlmsghdr *nlh));
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int sock_diag_check_cookie(void *sk, __u32 *cookie);
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void sock_diag_save_cookie(void *sk, __u32 *cookie);
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int sock_diag_put_meminfo(struct sock *sk, struct sk_buff *skb, int attr);
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int sock_diag_put_filterinfo(bool may_report_filterinfo, struct sock *sk,
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struct sk_buff *skb, int attrtype);
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#endif
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