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83f73c5bb7
In commit1ec17dbd90("inet_diag: fix reporting cgroup classid and fallback to priority") croup classid reporting was fixed. But this works only for TCP sockets because for other socket types icsk parameter can be NULL and classid code path is skipped. This change moves classid handling to inet_diag_msg_attrs_fill() function. Also inet_diag_msg_attrs_size() helper was added and addends in nlmsg_new() were reordered to save order from inet_sk_diag_fill(). Fixes:1ec17dbd90("inet_diag: fix reporting cgroup classid and fallback to priority") Signed-off-by: Dmitry Yakunin <zeil@yandex-team.ru> Reviewed-by: Konstantin Khlebnikov <khlebnikov@yandex-team.ru> Signed-off-by: David S. Miller <davem@davemloft.net>
78 lines
2.4 KiB
C
78 lines
2.4 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef _INET_DIAG_H_
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#define _INET_DIAG_H_ 1
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#include <net/netlink.h>
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#include <uapi/linux/inet_diag.h>
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struct inet_hashinfo;
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struct inet_diag_handler {
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void (*dump)(struct sk_buff *skb,
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struct netlink_callback *cb,
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const struct inet_diag_req_v2 *r,
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struct nlattr *bc);
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int (*dump_one)(struct sk_buff *in_skb,
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const struct nlmsghdr *nlh,
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const struct inet_diag_req_v2 *req);
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void (*idiag_get_info)(struct sock *sk,
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struct inet_diag_msg *r,
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void *info);
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int (*idiag_get_aux)(struct sock *sk,
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bool net_admin,
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struct sk_buff *skb);
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size_t (*idiag_get_aux_size)(struct sock *sk,
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bool net_admin);
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int (*destroy)(struct sk_buff *in_skb,
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const struct inet_diag_req_v2 *req);
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__u16 idiag_type;
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__u16 idiag_info_size;
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};
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struct inet_connection_sock;
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int inet_sk_diag_fill(struct sock *sk, struct inet_connection_sock *icsk,
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struct sk_buff *skb, const struct inet_diag_req_v2 *req,
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struct user_namespace *user_ns,
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u32 pid, u32 seq, u16 nlmsg_flags,
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const struct nlmsghdr *unlh, bool net_admin);
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void inet_diag_dump_icsk(struct inet_hashinfo *h, struct sk_buff *skb,
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struct netlink_callback *cb,
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const struct inet_diag_req_v2 *r,
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struct nlattr *bc);
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int inet_diag_dump_one_icsk(struct inet_hashinfo *hashinfo,
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struct sk_buff *in_skb, const struct nlmsghdr *nlh,
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const struct inet_diag_req_v2 *req);
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struct sock *inet_diag_find_one_icsk(struct net *net,
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struct inet_hashinfo *hashinfo,
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const struct inet_diag_req_v2 *req);
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int inet_diag_bc_sk(const struct nlattr *_bc, struct sock *sk);
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void inet_diag_msg_common_fill(struct inet_diag_msg *r, struct sock *sk);
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static inline size_t inet_diag_msg_attrs_size(void)
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{
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return nla_total_size(1) /* INET_DIAG_SHUTDOWN */
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+ nla_total_size(1) /* INET_DIAG_TOS */
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#if IS_ENABLED(CONFIG_IPV6)
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+ nla_total_size(1) /* INET_DIAG_TCLASS */
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+ nla_total_size(1) /* INET_DIAG_SKV6ONLY */
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#endif
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+ nla_total_size(4) /* INET_DIAG_MARK */
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+ nla_total_size(4); /* INET_DIAG_CLASS_ID */
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}
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int inet_diag_msg_attrs_fill(struct sock *sk, struct sk_buff *skb,
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struct inet_diag_msg *r, int ext,
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struct user_namespace *user_ns, bool net_admin);
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extern int inet_diag_register(const struct inet_diag_handler *handler);
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extern void inet_diag_unregister(const struct inet_diag_handler *handler);
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#endif /* _INET_DIAG_H_ */
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