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Commit 39938324 authored by Patrick McHardy's avatar Patrick McHardy
Browse files

netfilter: nfnetlink: constify message attributes and headers 



Signed-off-by: default avatarPatrick McHardy <kaber@trash.net>
parent 3a6c2b41

include/linux/netfilter/nfnetlink.h

+2 −1
Original line number Diff line number Diff line
@@ -58,7 +58,8 @@ struct nfgenmsg { 
struct nfnl_callback

{

	int (*call)(struct sock *nl, struct sk_buff *skb, 

		struct nlmsghdr *nlh, struct nlattr *cda[]);

		    const struct nlmsghdr *nlh,

		    const struct nlattr * const cda[]);

	const struct nla_policy *policy;	/* netlink attribute policy */

	const u_int16_t attr_count;		/* number of nlattr's */

};

include/net/netfilter/nf_nat_core.h

+1 −1
Original line number Diff line number Diff line
@@ -31,6 +31,6 @@ struct nlattr; 
extern int

(*nfnetlink_parse_nat_setup_hook)(struct nf_conn *ct,

				  enum nf_nat_manip_type manip,

				  struct nlattr *attr);

				  const struct nlattr *attr);



#endif /* _NF_NAT_CORE_H */

net/ipv4/netfilter/nf_nat_core.c

+3 −3
Original line number Diff line number Diff line
@@ -620,7 +620,7 @@ static const struct nla_policy nat_nla_policy[CTA_NAT_MAX+1] = { 
};



static int

nfnetlink_parse_nat(struct nlattr *nat,

nfnetlink_parse_nat(const struct nlattr *nat,

		    const struct nf_conn *ct, struct nf_nat_range *range)

{

	struct nlattr *tb[CTA_NAT_MAX+1];
@@ -656,7 +656,7 @@ nfnetlink_parse_nat(struct nlattr *nat, 
static int

nfnetlink_parse_nat_setup(struct nf_conn *ct,

			  enum nf_nat_manip_type manip,

			  struct nlattr *attr)

			  const struct nlattr *attr)

{

	struct nf_nat_range range;
@@ -671,7 +671,7 @@ nfnetlink_parse_nat_setup(struct nf_conn *ct, 
static int

nfnetlink_parse_nat_setup(struct nf_conn *ct,

			  enum nf_nat_manip_type manip,

			  struct nlattr *attr)

			  const struct nlattr *attr)

{

	return -EOPNOTSUPP;

}

net/netfilter/nf_conntrack_core.c

+1 −1
Original line number Diff line number Diff line
@@ -47,7 +47,7 @@ 


int (*nfnetlink_parse_nat_setup_hook)(struct nf_conn *ct,

				      enum nf_nat_manip_type manip,

				      struct nlattr *attr) __read_mostly;

				      const struct nlattr *attr) __read_mostly;

EXPORT_SYMBOL_GPL(nfnetlink_parse_nat_setup_hook);



DEFINE_SPINLOCK(nf_conntrack_lock);

net/netfilter/nf_conntrack_netlink.c

+33 −21
Original line number Diff line number Diff line
@@ -704,7 +704,8 @@ ctnetlink_parse_tuple_proto(struct nlattr *attr, 
}



static int

ctnetlink_parse_tuple(struct nlattr *cda[], struct nf_conntrack_tuple *tuple,

ctnetlink_parse_tuple(const struct nlattr * const cda[],

		      struct nf_conntrack_tuple *tuple,

		      enum ctattr_tuple type, u_int8_t l3num)

{

	struct nlattr *tb[CTA_TUPLE_MAX+1];
@@ -740,7 +741,7 @@ ctnetlink_parse_tuple(struct nlattr *cda[], struct nf_conntrack_tuple *tuple, 
}



static inline int

ctnetlink_parse_help(struct nlattr *attr, char **helper_name)

ctnetlink_parse_help(const struct nlattr *attr, char **helper_name)

{

	struct nlattr *tb[CTA_HELP_MAX+1];
@@ -764,7 +765,8 @@ static const struct nla_policy ct_nla_policy[CTA_MAX+1] = { 


static int

ctnetlink_del_conntrack(struct sock *ctnl, struct sk_buff *skb,

			struct nlmsghdr *nlh, struct nlattr *cda[])

			const struct nlmsghdr *nlh,

			const struct nlattr * const cda[])

{

	struct nf_conntrack_tuple_hash *h;

	struct nf_conntrack_tuple tuple;
@@ -823,7 +825,8 @@ ctnetlink_del_conntrack(struct sock *ctnl, struct sk_buff *skb, 


static int

ctnetlink_get_conntrack(struct sock *ctnl, struct sk_buff *skb,

			struct nlmsghdr *nlh, struct nlattr *cda[])

			const struct nlmsghdr *nlh,

			const struct nlattr * const cda[])

{

	struct nf_conntrack_tuple_hash *h;

	struct nf_conntrack_tuple tuple;
@@ -884,7 +887,7 @@ out: 
static int

ctnetlink_parse_nat_setup(struct nf_conn *ct,

			  enum nf_nat_manip_type manip,

			  struct nlattr *attr)

			  const struct nlattr *attr)

{

	typeof(nfnetlink_parse_nat_setup_hook) parse_nat_setup;
@@ -914,7 +917,7 @@ ctnetlink_parse_nat_setup(struct nf_conn *ct, 
#endif



static int

ctnetlink_change_status(struct nf_conn *ct, struct nlattr *cda[])

ctnetlink_change_status(struct nf_conn *ct, const struct nlattr * const cda[])

{

	unsigned long d;

	unsigned int status = ntohl(nla_get_be32(cda[CTA_STATUS]));
@@ -940,7 +943,7 @@ ctnetlink_change_status(struct nf_conn *ct, struct nlattr *cda[]) 
}



static int

ctnetlink_change_nat(struct nf_conn *ct, struct nlattr *cda[])

ctnetlink_change_nat(struct nf_conn *ct, const struct nlattr * const cda[])

{

#ifdef CONFIG_NF_NAT_NEEDED

	int ret;
@@ -966,7 +969,7 @@ ctnetlink_change_nat(struct nf_conn *ct, struct nlattr *cda[]) 
}



static inline int

ctnetlink_change_helper(struct nf_conn *ct, struct nlattr *cda[])

ctnetlink_change_helper(struct nf_conn *ct, const struct nlattr * const cda[])

{

	struct nf_conntrack_helper *helper;

	struct nf_conn_help *help = nfct_help(ct);
@@ -1028,7 +1031,7 @@ ctnetlink_change_helper(struct nf_conn *ct, struct nlattr *cda[]) 
}



static inline int

ctnetlink_change_timeout(struct nf_conn *ct, struct nlattr *cda[])

ctnetlink_change_timeout(struct nf_conn *ct, const struct nlattr * const cda[])

{

	u_int32_t timeout = ntohl(nla_get_be32(cda[CTA_TIMEOUT]));
@@ -1042,9 +1045,10 @@ ctnetlink_change_timeout(struct nf_conn *ct, struct nlattr *cda[]) 
}



static inline int

ctnetlink_change_protoinfo(struct nf_conn *ct, struct nlattr *cda[])

ctnetlink_change_protoinfo(struct nf_conn *ct, const struct nlattr * const cda[])

{

	struct nlattr *tb[CTA_PROTOINFO_MAX+1], *attr = cda[CTA_PROTOINFO];

	const struct nlattr *attr = cda[CTA_PROTOINFO];

	struct nlattr *tb[CTA_PROTOINFO_MAX+1];

	struct nf_conntrack_l4proto *l4proto;

	int err = 0;
@@ -1061,7 +1065,7 @@ ctnetlink_change_protoinfo(struct nf_conn *ct, struct nlattr *cda[]) 


#ifdef CONFIG_NF_NAT_NEEDED

static inline int

change_nat_seq_adj(struct nf_nat_seq *natseq, struct nlattr *attr)

change_nat_seq_adj(struct nf_nat_seq *natseq, const struct nlattr * const attr)

{

	struct nlattr *cda[CTA_NAT_SEQ_MAX+1];
@@ -1089,7 +1093,8 @@ change_nat_seq_adj(struct nf_nat_seq *natseq, struct nlattr *attr) 
}



static int

ctnetlink_change_nat_seq_adj(struct nf_conn *ct, struct nlattr *cda[])

ctnetlink_change_nat_seq_adj(struct nf_conn *ct,

			     const struct nlattr * const cda[])

{

	int ret = 0;

	struct nf_conn_nat *nat = nfct_nat(ct);
@@ -1120,7 +1125,8 @@ ctnetlink_change_nat_seq_adj(struct nf_conn *ct, struct nlattr *cda[]) 
#endif



static int

ctnetlink_change_conntrack(struct nf_conn *ct, struct nlattr *cda[])

ctnetlink_change_conntrack(struct nf_conn *ct,

			   const struct nlattr * const cda[])

{

	int err;
@@ -1169,7 +1175,7 @@ ctnetlink_change_conntrack(struct nf_conn *ct, struct nlattr *cda[]) 
}



static struct nf_conn *

ctnetlink_create_conntrack(struct nlattr *cda[],

ctnetlink_create_conntrack(const struct nlattr * const cda[],

			   struct nf_conntrack_tuple *otuple,

			   struct nf_conntrack_tuple *rtuple,

			   u8 u3)
@@ -1304,7 +1310,8 @@ err1: 


static int

ctnetlink_new_conntrack(struct sock *ctnl, struct sk_buff *skb,

			struct nlmsghdr *nlh, struct nlattr *cda[])

			const struct nlmsghdr *nlh,

			const struct nlattr * const cda[])

{

	struct nf_conntrack_tuple otuple, rtuple;

	struct nf_conntrack_tuple_hash *h = NULL;
@@ -1629,7 +1636,8 @@ static const struct nla_policy exp_nla_policy[CTA_EXPECT_MAX+1] = { 


static int

ctnetlink_get_expect(struct sock *ctnl, struct sk_buff *skb,

		     struct nlmsghdr *nlh, struct nlattr *cda[])

		     const struct nlmsghdr *nlh,

		     const struct nlattr * const cda[])

{

	struct nf_conntrack_tuple tuple;

	struct nf_conntrack_expect *exp;
@@ -1689,7 +1697,8 @@ out: 


static int

ctnetlink_del_expect(struct sock *ctnl, struct sk_buff *skb,

		     struct nlmsghdr *nlh, struct nlattr *cda[])

		     const struct nlmsghdr *nlh,

		     const struct nlattr * const cda[])

{

	struct nf_conntrack_expect *exp;

	struct nf_conntrack_tuple tuple;
@@ -1767,13 +1776,15 @@ ctnetlink_del_expect(struct sock *ctnl, struct sk_buff *skb, 
	return 0;

}

static int

ctnetlink_change_expect(struct nf_conntrack_expect *x, struct nlattr *cda[])

ctnetlink_change_expect(struct nf_conntrack_expect *x,

			const struct nlattr * const cda[])

{

	return -EOPNOTSUPP;

}



static int

ctnetlink_create_expect(struct nlattr *cda[], u_int8_t u3, u32 pid, int report)

ctnetlink_create_expect(const struct nlattr * const cda[], u_int8_t u3,

			u32 pid, int report)

{

	struct nf_conntrack_tuple tuple, mask, master_tuple;

	struct nf_conntrack_tuple_hash *h = NULL;
@@ -1831,7 +1842,8 @@ out: 


static int

ctnetlink_new_expect(struct sock *ctnl, struct sk_buff *skb,

		     struct nlmsghdr *nlh, struct nlattr *cda[])

		     const struct nlmsghdr *nlh,

		     const struct nlattr * const cda[])

{

	struct nf_conntrack_tuple tuple;

	struct nf_conntrack_expect *exp;