mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
synced 2024-08-26 19:00:25 +00:00
Merge branch 'inet_diag_cleanups'
Eric Dumazet says: ==================== inet_diag: cleanups and improvements Before changing way request socks are dumped, let's clean up this code a bit. ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
commit
7c23aaf2ea
7 changed files with 117 additions and 113 deletions
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@ -11,33 +11,34 @@ struct sk_buff;
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struct netlink_callback;
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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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struct inet_diag_req_v2 *r,
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struct nlattr *bc);
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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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struct inet_diag_req_v2 *req);
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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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__u16 idiag_type;
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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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__u16 idiag_type;
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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, 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);
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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);
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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, struct inet_diag_req_v2 *r,
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struct nlattr *bc);
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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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struct inet_diag_req_v2 *req);
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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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int inet_diag_bc_sk(const struct nlattr *_bc, struct sock *sk);
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@ -19,7 +19,7 @@ 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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int sock_diag_check_cookie(void *sk, const __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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@ -13,7 +13,7 @@ static const struct sock_diag_handler *sock_diag_handlers[AF_MAX];
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static int (*inet_rcv_compat)(struct sk_buff *skb, struct nlmsghdr *nlh);
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static DEFINE_MUTEX(sock_diag_table_mutex);
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int sock_diag_check_cookie(void *sk, __u32 *cookie)
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int sock_diag_check_cookie(void *sk, const __u32 *cookie)
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{
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if ((cookie[0] != INET_DIAG_NOCOOKIE ||
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cookie[1] != INET_DIAG_NOCOOKIE) &&
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@ -49,13 +49,14 @@ static void dccp_diag_get_info(struct sock *sk, struct inet_diag_msg *r,
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}
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static void dccp_diag_dump(struct sk_buff *skb, struct netlink_callback *cb,
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struct inet_diag_req_v2 *r, struct nlattr *bc)
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const struct inet_diag_req_v2 *r, struct nlattr *bc)
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{
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inet_diag_dump_icsk(&dccp_hashinfo, skb, cb, r, bc);
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}
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static int dccp_diag_dump_one(struct sk_buff *in_skb, const struct nlmsghdr *nlh,
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struct inet_diag_req_v2 *req)
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static int dccp_diag_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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{
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return inet_diag_dump_one_icsk(&dccp_hashinfo, in_skb, nlh, req);
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}
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@ -38,8 +38,8 @@
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static const struct inet_diag_handler **inet_diag_table;
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struct inet_diag_entry {
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__be32 *saddr;
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__be32 *daddr;
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const __be32 *saddr;
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const __be32 *daddr;
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u16 sport;
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u16 dport;
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u16 family;
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@ -65,28 +65,27 @@ static const struct inet_diag_handler *inet_diag_lock_handler(int proto)
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return inet_diag_table[proto];
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}
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static inline void inet_diag_unlock_handler(
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const struct inet_diag_handler *handler)
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static void inet_diag_unlock_handler(const struct inet_diag_handler *handler)
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{
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mutex_unlock(&inet_diag_table_mutex);
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}
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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, struct inet_diag_req_v2 *req,
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struct user_namespace *user_ns,
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u32 portid, u32 seq, u16 nlmsg_flags,
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const struct nlmsghdr *unlh)
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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 portid, u32 seq, u16 nlmsg_flags,
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const struct nlmsghdr *unlh)
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{
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const struct inet_sock *inet = inet_sk(sk);
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const struct inet_diag_handler *handler;
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int ext = req->idiag_ext;
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struct inet_diag_msg *r;
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struct nlmsghdr *nlh;
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struct nlattr *attr;
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void *info = NULL;
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const struct inet_diag_handler *handler;
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int ext = req->idiag_ext;
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handler = inet_diag_table[req->sdiag_protocol];
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BUG_ON(handler == NULL);
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BUG_ON(!handler);
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nlh = nlmsg_put(skb, portid, seq, unlh->nlmsg_type, sizeof(*r),
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nlmsg_flags);
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@ -125,7 +124,6 @@ int inet_sk_diag_fill(struct sock *sk, struct inet_connection_sock *icsk,
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#if IS_ENABLED(CONFIG_IPV6)
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if (r->idiag_family == AF_INET6) {
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*(struct in6_addr *)r->id.idiag_src = sk->sk_v6_rcv_saddr;
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*(struct in6_addr *)r->id.idiag_dst = sk->sk_v6_daddr;
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@ -155,7 +153,7 @@ int inet_sk_diag_fill(struct sock *sk, struct inet_connection_sock *icsk,
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if (sock_diag_put_meminfo(sk, skb, INET_DIAG_SKMEMINFO))
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goto errout;
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if (icsk == NULL) {
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if (!icsk) {
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handler->idiag_get_info(sk, r, NULL);
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goto out;
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}
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@ -213,23 +211,25 @@ int inet_sk_diag_fill(struct sock *sk, struct inet_connection_sock *icsk,
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EXPORT_SYMBOL_GPL(inet_sk_diag_fill);
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static int inet_csk_diag_fill(struct sock *sk,
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struct sk_buff *skb, struct inet_diag_req_v2 *req,
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struct sk_buff *skb,
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const struct inet_diag_req_v2 *req,
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struct user_namespace *user_ns,
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u32 portid, u32 seq, u16 nlmsg_flags,
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const struct nlmsghdr *unlh)
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{
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return inet_sk_diag_fill(sk, inet_csk(sk),
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skb, req, user_ns, portid, seq, nlmsg_flags, unlh);
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return inet_sk_diag_fill(sk, inet_csk(sk), skb, req,
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user_ns, portid, seq, nlmsg_flags, unlh);
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}
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static int inet_twsk_diag_fill(struct inet_timewait_sock *tw,
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struct sk_buff *skb, struct inet_diag_req_v2 *req,
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struct sk_buff *skb,
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const struct inet_diag_req_v2 *req,
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u32 portid, u32 seq, u16 nlmsg_flags,
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const struct nlmsghdr *unlh)
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{
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s32 tmo;
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struct inet_diag_msg *r;
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struct nlmsghdr *nlh;
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s32 tmo;
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nlh = nlmsg_put(skb, portid, seq, unlh->nlmsg_type, sizeof(*r),
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nlmsg_flags);
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@ -277,7 +277,7 @@ static int inet_twsk_diag_fill(struct inet_timewait_sock *tw,
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}
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static int sk_diag_fill(struct sock *sk, struct sk_buff *skb,
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struct inet_diag_req_v2 *r,
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const struct inet_diag_req_v2 *r,
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struct user_namespace *user_ns,
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u32 portid, u32 seq, u16 nlmsg_flags,
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const struct nlmsghdr *unlh)
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@ -290,36 +290,35 @@ static int sk_diag_fill(struct sock *sk, struct sk_buff *skb,
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nlmsg_flags, unlh);
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}
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int inet_diag_dump_one_icsk(struct inet_hashinfo *hashinfo, struct sk_buff *in_skb,
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const struct nlmsghdr *nlh, struct inet_diag_req_v2 *req)
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int inet_diag_dump_one_icsk(struct inet_hashinfo *hashinfo,
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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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{
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int err;
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struct sock *sk;
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struct sk_buff *rep;
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struct net *net = sock_net(in_skb->sk);
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struct sk_buff *rep;
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struct sock *sk;
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int err;
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err = -EINVAL;
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if (req->sdiag_family == AF_INET) {
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if (req->sdiag_family == AF_INET)
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sk = inet_lookup(net, hashinfo, req->id.idiag_dst[0],
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req->id.idiag_dport, req->id.idiag_src[0],
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req->id.idiag_sport, req->id.idiag_if);
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}
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#if IS_ENABLED(CONFIG_IPV6)
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else if (req->sdiag_family == AF_INET6) {
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else if (req->sdiag_family == AF_INET6)
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sk = inet6_lookup(net, hashinfo,
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(struct in6_addr *)req->id.idiag_dst,
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req->id.idiag_dport,
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(struct in6_addr *)req->id.idiag_src,
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req->id.idiag_sport,
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req->id.idiag_if);
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}
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#endif
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else {
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else
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goto out_nosk;
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}
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err = -ENOENT;
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if (sk == NULL)
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if (!sk)
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goto out_nosk;
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err = sock_diag_check_cookie(sk, req->id.idiag_cookie);
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@ -359,7 +358,7 @@ EXPORT_SYMBOL_GPL(inet_diag_dump_one_icsk);
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static int inet_diag_get_exact(struct sk_buff *in_skb,
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const struct nlmsghdr *nlh,
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struct inet_diag_req_v2 *req)
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const struct inet_diag_req_v2 *req)
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{
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const struct inet_diag_handler *handler;
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int err;
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@ -400,9 +399,8 @@ static int bitstring_match(const __be32 *a1, const __be32 *a2, int bits)
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return 1;
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}
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static int inet_diag_bc_run(const struct nlattr *_bc,
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const struct inet_diag_entry *entry)
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const struct inet_diag_entry *entry)
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{
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const void *bc = nla_data(_bc);
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int len = nla_len(_bc);
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@ -434,10 +432,10 @@ static int inet_diag_bc_run(const struct nlattr *_bc,
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break;
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case INET_DIAG_BC_S_COND:
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case INET_DIAG_BC_D_COND: {
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struct inet_diag_hostcond *cond;
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__be32 *addr;
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const struct inet_diag_hostcond *cond;
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const __be32 *addr;
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cond = (struct inet_diag_hostcond *)(op + 1);
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cond = (const struct inet_diag_hostcond *)(op + 1);
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if (cond->port != -1 &&
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cond->port != (op->code == INET_DIAG_BC_S_COND ?
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entry->sport : entry->dport)) {
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@ -488,16 +486,15 @@ static int inet_diag_bc_run(const struct nlattr *_bc,
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int inet_diag_bc_sk(const struct nlattr *bc, struct sock *sk)
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{
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struct inet_diag_entry entry;
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struct inet_sock *inet = inet_sk(sk);
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struct inet_diag_entry entry;
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if (bc == NULL)
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if (!bc)
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return 1;
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entry.family = sk->sk_family;
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#if IS_ENABLED(CONFIG_IPV6)
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if (entry.family == AF_INET6) {
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|
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entry.saddr = sk->sk_v6_rcv_saddr.s6_addr32;
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entry.daddr = sk->sk_v6_daddr.s6_addr32;
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} else
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|
@ -535,8 +532,8 @@ static int valid_cc(const void *bc, int len, int cc)
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static bool valid_hostcond(const struct inet_diag_bc_op *op, int len,
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int *min_len)
|
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{
|
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int addr_len;
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struct inet_diag_hostcond *cond;
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int addr_len;
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/* Check hostcond space. */
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*min_len += sizeof(struct inet_diag_hostcond);
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|
@ -570,8 +567,8 @@ static bool valid_hostcond(const struct inet_diag_bc_op *op, int len,
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}
|
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|
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/* Validate a port comparison operator. */
|
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static inline bool valid_port_comparison(const struct inet_diag_bc_op *op,
|
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int len, int *min_len)
|
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static bool valid_port_comparison(const struct inet_diag_bc_op *op,
|
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int len, int *min_len)
|
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{
|
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/* Port comparisons put the port in a follow-on inet_diag_bc_op. */
|
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*min_len += sizeof(struct inet_diag_bc_op);
|
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|
@ -586,10 +583,9 @@ static int inet_diag_bc_audit(const void *bytecode, int bytecode_len)
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int len = bytecode_len;
|
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|
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while (len > 0) {
|
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const struct inet_diag_bc_op *op = bc;
|
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int min_len = sizeof(struct inet_diag_bc_op);
|
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const struct inet_diag_bc_op *op = bc;
|
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|
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//printk("BC: %d %d %d {%d} / %d\n", op->code, op->yes, op->no, op[1].no, len);
|
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switch (op->code) {
|
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case INET_DIAG_BC_S_COND:
|
||||
case INET_DIAG_BC_D_COND:
|
||||
|
@ -630,7 +626,7 @@ static int inet_diag_bc_audit(const void *bytecode, int bytecode_len)
|
|||
static int inet_csk_diag_dump(struct sock *sk,
|
||||
struct sk_buff *skb,
|
||||
struct netlink_callback *cb,
|
||||
struct inet_diag_req_v2 *r,
|
||||
const struct inet_diag_req_v2 *r,
|
||||
const struct nlattr *bc)
|
||||
{
|
||||
if (!inet_diag_bc_sk(bc, sk))
|
||||
|
@ -671,7 +667,7 @@ static void twsk_build_assert(void)
|
|||
static int inet_twsk_diag_dump(struct sock *sk,
|
||||
struct sk_buff *skb,
|
||||
struct netlink_callback *cb,
|
||||
struct inet_diag_req_v2 *r,
|
||||
const struct inet_diag_req_v2 *r,
|
||||
const struct nlattr *bc)
|
||||
{
|
||||
twsk_build_assert();
|
||||
|
@ -687,11 +683,11 @@ static int inet_twsk_diag_dump(struct sock *sk,
|
|||
/* Get the IPv4, IPv6, or IPv4-mapped-IPv6 local and remote addresses
|
||||
* from a request_sock. For IPv4-mapped-IPv6 we must map IPv4 to IPv6.
|
||||
*/
|
||||
static inline void inet_diag_req_addrs(const struct sock *sk,
|
||||
const struct request_sock *req,
|
||||
struct inet_diag_entry *entry)
|
||||
static void inet_diag_req_addrs(const struct sock *sk,
|
||||
const struct request_sock *req,
|
||||
struct inet_diag_entry *entry)
|
||||
{
|
||||
struct inet_request_sock *ireq = inet_rsk(req);
|
||||
const struct inet_request_sock *ireq = inet_rsk(req);
|
||||
|
||||
#if IS_ENABLED(CONFIG_IPV6)
|
||||
if (sk->sk_family == AF_INET6) {
|
||||
|
@ -761,6 +757,7 @@ static int inet_diag_fill_req(struct sk_buff *skb, struct sock *sk,
|
|||
#if IS_ENABLED(CONFIG_IPV6)
|
||||
if (r->idiag_family == AF_INET6) {
|
||||
struct inet_diag_entry entry;
|
||||
|
||||
inet_diag_req_addrs(sk, req, &entry);
|
||||
memcpy(r->id.idiag_src, entry.saddr, sizeof(struct in6_addr));
|
||||
memcpy(r->id.idiag_dst, entry.daddr, sizeof(struct in6_addr));
|
||||
|
@ -773,15 +770,14 @@ static int inet_diag_fill_req(struct sk_buff *skb, struct sock *sk,
|
|||
|
||||
static int inet_diag_dump_reqs(struct sk_buff *skb, struct sock *sk,
|
||||
struct netlink_callback *cb,
|
||||
struct inet_diag_req_v2 *r,
|
||||
const struct inet_diag_req_v2 *r,
|
||||
const struct nlattr *bc)
|
||||
{
|
||||
struct inet_diag_entry entry;
|
||||
struct inet_connection_sock *icsk = inet_csk(sk);
|
||||
struct listen_sock *lopt;
|
||||
struct inet_sock *inet = inet_sk(sk);
|
||||
int j, s_j;
|
||||
int reqnum, s_reqnum;
|
||||
struct inet_diag_entry entry;
|
||||
int j, s_j, reqnum, s_reqnum;
|
||||
struct listen_sock *lopt;
|
||||
int err = 0;
|
||||
|
||||
s_j = cb->args[3];
|
||||
|
@ -798,7 +794,7 @@ static int inet_diag_dump_reqs(struct sk_buff *skb, struct sock *sk,
|
|||
if (!lopt || !lopt->qlen)
|
||||
goto out;
|
||||
|
||||
if (bc != NULL) {
|
||||
if (bc) {
|
||||
entry.sport = inet->inet_num;
|
||||
entry.userlocks = sk->sk_userlocks;
|
||||
}
|
||||
|
@ -825,9 +821,9 @@ static int inet_diag_dump_reqs(struct sk_buff *skb, struct sock *sk,
|
|||
}
|
||||
|
||||
err = inet_diag_fill_req(skb, sk, req,
|
||||
sk_user_ns(NETLINK_CB(cb->skb).sk),
|
||||
NETLINK_CB(cb->skb).portid,
|
||||
cb->nlh->nlmsg_seq, cb->nlh);
|
||||
sk_user_ns(NETLINK_CB(cb->skb).sk),
|
||||
NETLINK_CB(cb->skb).portid,
|
||||
cb->nlh->nlmsg_seq, cb->nlh);
|
||||
if (err < 0) {
|
||||
cb->args[3] = j + 1;
|
||||
cb->args[4] = reqnum;
|
||||
|
@ -845,11 +841,11 @@ static int inet_diag_dump_reqs(struct sk_buff *skb, struct sock *sk,
|
|||
}
|
||||
|
||||
void inet_diag_dump_icsk(struct inet_hashinfo *hashinfo, struct sk_buff *skb,
|
||||
struct netlink_callback *cb, struct inet_diag_req_v2 *r, struct nlattr *bc)
|
||||
struct netlink_callback *cb,
|
||||
const struct inet_diag_req_v2 *r, struct nlattr *bc)
|
||||
{
|
||||
int i, num;
|
||||
int s_i, s_num;
|
||||
struct net *net = sock_net(skb->sk);
|
||||
int i, num, s_i, s_num;
|
||||
|
||||
s_i = cb->args[1];
|
||||
s_num = num = cb->args[2];
|
||||
|
@ -859,9 +855,9 @@ void inet_diag_dump_icsk(struct inet_hashinfo *hashinfo, struct sk_buff *skb,
|
|||
goto skip_listen_ht;
|
||||
|
||||
for (i = s_i; i < INET_LHTABLE_SIZE; i++) {
|
||||
struct sock *sk;
|
||||
struct hlist_nulls_node *node;
|
||||
struct inet_listen_hashbucket *ilb;
|
||||
struct hlist_nulls_node *node;
|
||||
struct sock *sk;
|
||||
|
||||
num = 0;
|
||||
ilb = &hashinfo->listening_hash[i];
|
||||
|
@ -878,7 +874,7 @@ void inet_diag_dump_icsk(struct inet_hashinfo *hashinfo, struct sk_buff *skb,
|
|||
}
|
||||
|
||||
if (r->sdiag_family != AF_UNSPEC &&
|
||||
sk->sk_family != r->sdiag_family)
|
||||
sk->sk_family != r->sdiag_family)
|
||||
goto next_listen;
|
||||
|
||||
if (r->id.idiag_sport != inet->inet_sport &&
|
||||
|
@ -926,8 +922,8 @@ void inet_diag_dump_icsk(struct inet_hashinfo *hashinfo, struct sk_buff *skb,
|
|||
for (i = s_i; i <= hashinfo->ehash_mask; i++) {
|
||||
struct inet_ehash_bucket *head = &hashinfo->ehash[i];
|
||||
spinlock_t *lock = inet_ehash_lockp(hashinfo, i);
|
||||
struct sock *sk;
|
||||
struct hlist_nulls_node *node;
|
||||
struct sock *sk;
|
||||
|
||||
num = 0;
|
||||
|
||||
|
@ -939,8 +935,7 @@ void inet_diag_dump_icsk(struct inet_hashinfo *hashinfo, struct sk_buff *skb,
|
|||
|
||||
spin_lock_bh(lock);
|
||||
sk_nulls_for_each(sk, node, &head->chain) {
|
||||
int res;
|
||||
int state;
|
||||
int state, res;
|
||||
|
||||
if (!net_eq(sock_net(sk), net))
|
||||
continue;
|
||||
|
@ -983,7 +978,8 @@ void inet_diag_dump_icsk(struct inet_hashinfo *hashinfo, struct sk_buff *skb,
|
|||
EXPORT_SYMBOL_GPL(inet_diag_dump_icsk);
|
||||
|
||||
static int __inet_diag_dump(struct sk_buff *skb, struct netlink_callback *cb,
|
||||
struct inet_diag_req_v2 *r, struct nlattr *bc)
|
||||
const struct inet_diag_req_v2 *r,
|
||||
struct nlattr *bc)
|
||||
{
|
||||
const struct inet_diag_handler *handler;
|
||||
int err = 0;
|
||||
|
@ -1000,8 +996,8 @@ static int __inet_diag_dump(struct sk_buff *skb, struct netlink_callback *cb,
|
|||
|
||||
static int inet_diag_dump(struct sk_buff *skb, struct netlink_callback *cb)
|
||||
{
|
||||
struct nlattr *bc = NULL;
|
||||
int hdrlen = sizeof(struct inet_diag_req_v2);
|
||||
struct nlattr *bc = NULL;
|
||||
|
||||
if (nlmsg_attrlen(cb->nlh, hdrlen))
|
||||
bc = nlmsg_find_attr(cb->nlh, hdrlen, INET_DIAG_REQ_BYTECODE);
|
||||
|
@ -1009,7 +1005,7 @@ static int inet_diag_dump(struct sk_buff *skb, struct netlink_callback *cb)
|
|||
return __inet_diag_dump(skb, cb, nlmsg_data(cb->nlh), bc);
|
||||
}
|
||||
|
||||
static inline int inet_diag_type2proto(int type)
|
||||
static int inet_diag_type2proto(int type)
|
||||
{
|
||||
switch (type) {
|
||||
case TCPDIAG_GETSOCK:
|
||||
|
@ -1021,12 +1017,13 @@ static inline int inet_diag_type2proto(int type)
|
|||
}
|
||||
}
|
||||
|
||||
static int inet_diag_dump_compat(struct sk_buff *skb, struct netlink_callback *cb)
|
||||
static int inet_diag_dump_compat(struct sk_buff *skb,
|
||||
struct netlink_callback *cb)
|
||||
{
|
||||
struct inet_diag_req *rc = nlmsg_data(cb->nlh);
|
||||
int hdrlen = sizeof(struct inet_diag_req);
|
||||
struct inet_diag_req_v2 req;
|
||||
struct nlattr *bc = NULL;
|
||||
int hdrlen = sizeof(struct inet_diag_req);
|
||||
|
||||
req.sdiag_family = AF_UNSPEC; /* compatibility */
|
||||
req.sdiag_protocol = inet_diag_type2proto(cb->nlh->nlmsg_type);
|
||||
|
@ -1041,7 +1038,7 @@ static int inet_diag_dump_compat(struct sk_buff *skb, struct netlink_callback *c
|
|||
}
|
||||
|
||||
static int inet_diag_get_exact_compat(struct sk_buff *in_skb,
|
||||
const struct nlmsghdr *nlh)
|
||||
const struct nlmsghdr *nlh)
|
||||
{
|
||||
struct inet_diag_req *rc = nlmsg_data(nlh);
|
||||
struct inet_diag_req_v2 req;
|
||||
|
@ -1070,7 +1067,7 @@ static int inet_diag_rcv_msg_compat(struct sk_buff *skb, struct nlmsghdr *nlh)
|
|||
|
||||
attr = nlmsg_find_attr(nlh, hdrlen,
|
||||
INET_DIAG_REQ_BYTECODE);
|
||||
if (attr == NULL ||
|
||||
if (!attr ||
|
||||
nla_len(attr) < sizeof(struct inet_diag_bc_op) ||
|
||||
inet_diag_bc_audit(nla_data(attr), nla_len(attr)))
|
||||
return -EINVAL;
|
||||
|
@ -1097,9 +1094,10 @@ static int inet_diag_handler_dump(struct sk_buff *skb, struct nlmsghdr *h)
|
|||
if (h->nlmsg_flags & NLM_F_DUMP) {
|
||||
if (nlmsg_attrlen(h, hdrlen)) {
|
||||
struct nlattr *attr;
|
||||
|
||||
attr = nlmsg_find_attr(h, hdrlen,
|
||||
INET_DIAG_REQ_BYTECODE);
|
||||
if (attr == NULL ||
|
||||
if (!attr ||
|
||||
nla_len(attr) < sizeof(struct inet_diag_bc_op) ||
|
||||
inet_diag_bc_audit(nla_data(attr), nla_len(attr)))
|
||||
return -EINVAL;
|
||||
|
@ -1135,7 +1133,7 @@ int inet_diag_register(const struct inet_diag_handler *h)
|
|||
|
||||
mutex_lock(&inet_diag_table_mutex);
|
||||
err = -EEXIST;
|
||||
if (inet_diag_table[type] == NULL) {
|
||||
if (!inet_diag_table[type]) {
|
||||
inet_diag_table[type] = h;
|
||||
err = 0;
|
||||
}
|
||||
|
|
|
@ -34,13 +34,13 @@ static void tcp_diag_get_info(struct sock *sk, struct inet_diag_msg *r,
|
|||
}
|
||||
|
||||
static void tcp_diag_dump(struct sk_buff *skb, struct netlink_callback *cb,
|
||||
struct inet_diag_req_v2 *r, struct nlattr *bc)
|
||||
const struct inet_diag_req_v2 *r, struct nlattr *bc)
|
||||
{
|
||||
inet_diag_dump_icsk(&tcp_hashinfo, skb, cb, r, bc);
|
||||
}
|
||||
|
||||
static int tcp_diag_dump_one(struct sk_buff *in_skb, const struct nlmsghdr *nlh,
|
||||
struct inet_diag_req_v2 *req)
|
||||
const struct inet_diag_req_v2 *req)
|
||||
{
|
||||
return inet_diag_dump_one_icsk(&tcp_hashinfo, in_skb, nlh, req);
|
||||
}
|
||||
|
|
|
@ -18,8 +18,9 @@
|
|||
#include <linux/sock_diag.h>
|
||||
|
||||
static int sk_diag_dump(struct sock *sk, struct sk_buff *skb,
|
||||
struct netlink_callback *cb, struct inet_diag_req_v2 *req,
|
||||
struct nlattr *bc)
|
||||
struct netlink_callback *cb,
|
||||
const struct inet_diag_req_v2 *req,
|
||||
struct nlattr *bc)
|
||||
{
|
||||
if (!inet_diag_bc_sk(bc, sk))
|
||||
return 0;
|
||||
|
@ -31,7 +32,8 @@ static int sk_diag_dump(struct sock *sk, struct sk_buff *skb,
|
|||
}
|
||||
|
||||
static int udp_dump_one(struct udp_table *tbl, struct sk_buff *in_skb,
|
||||
const struct nlmsghdr *nlh, struct inet_diag_req_v2 *req)
|
||||
const struct nlmsghdr *nlh,
|
||||
const struct inet_diag_req_v2 *req)
|
||||
{
|
||||
int err = -EINVAL;
|
||||
struct sock *sk;
|
||||
|
@ -90,8 +92,9 @@ static int udp_dump_one(struct udp_table *tbl, struct sk_buff *in_skb,
|
|||
return err;
|
||||
}
|
||||
|
||||
static void udp_dump(struct udp_table *table, struct sk_buff *skb, struct netlink_callback *cb,
|
||||
struct inet_diag_req_v2 *r, struct nlattr *bc)
|
||||
static void udp_dump(struct udp_table *table, struct sk_buff *skb,
|
||||
struct netlink_callback *cb,
|
||||
const struct inet_diag_req_v2 *r, struct nlattr *bc)
|
||||
{
|
||||
int num, s_num, slot, s_slot;
|
||||
struct net *net = sock_net(skb->sk);
|
||||
|
@ -144,13 +147,13 @@ static void udp_dump(struct udp_table *table, struct sk_buff *skb, struct netlin
|
|||
}
|
||||
|
||||
static void udp_diag_dump(struct sk_buff *skb, struct netlink_callback *cb,
|
||||
struct inet_diag_req_v2 *r, struct nlattr *bc)
|
||||
const struct inet_diag_req_v2 *r, struct nlattr *bc)
|
||||
{
|
||||
udp_dump(&udp_table, skb, cb, r, bc);
|
||||
}
|
||||
|
||||
static int udp_diag_dump_one(struct sk_buff *in_skb, const struct nlmsghdr *nlh,
|
||||
struct inet_diag_req_v2 *req)
|
||||
const struct inet_diag_req_v2 *req)
|
||||
{
|
||||
return udp_dump_one(&udp_table, in_skb, nlh, req);
|
||||
}
|
||||
|
@ -170,13 +173,14 @@ static const struct inet_diag_handler udp_diag_handler = {
|
|||
};
|
||||
|
||||
static void udplite_diag_dump(struct sk_buff *skb, struct netlink_callback *cb,
|
||||
struct inet_diag_req_v2 *r, struct nlattr *bc)
|
||||
const struct inet_diag_req_v2 *r,
|
||||
struct nlattr *bc)
|
||||
{
|
||||
udp_dump(&udplite_table, skb, cb, r, bc);
|
||||
}
|
||||
|
||||
static int udplite_diag_dump_one(struct sk_buff *in_skb, const struct nlmsghdr *nlh,
|
||||
struct inet_diag_req_v2 *req)
|
||||
const struct inet_diag_req_v2 *req)
|
||||
{
|
||||
return udp_dump_one(&udplite_table, in_skb, nlh, req);
|
||||
}
|
||||
|
|
Loading…
Reference in a new issue