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体验新版 GitCode,发现更多精彩内容 >>
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cad8e944
编写于
11月 09, 2005
作者:
L
Linus Torvalds
浏览文件
操作
浏览文件
下载
差异文件
Merge master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6
上级
8ca2bdc7
9f0ede52
变更
8
隐藏空白更改
内联
并排
Showing
8 changed file
with
92 addition
and
72 deletion
+92
-72
include/linux/netfilter/nfnetlink.h
include/linux/netfilter/nfnetlink.h
+1
-1
net/ipv4/netfilter/ip_conntrack_netlink.c
net/ipv4/netfilter/ip_conntrack_netlink.c
+37
-46
net/ipv4/netfilter/ip_conntrack_proto_icmp.c
net/ipv4/netfilter/ip_conntrack_proto_icmp.c
+8
-7
net/ipv4/netfilter/ip_conntrack_proto_tcp.c
net/ipv4/netfilter/ip_conntrack_proto_tcp.c
+6
-5
net/ipv4/netfilter/ip_nat_helper_pptp.c
net/ipv4/netfilter/ip_nat_helper_pptp.c
+26
-2
net/ipv6/addrconf.c
net/ipv6/addrconf.c
+2
-1
net/ipv6/ip6_tunnel.c
net/ipv6/ip6_tunnel.c
+1
-0
net/netfilter/nfnetlink.c
net/netfilter/nfnetlink.c
+11
-10
未找到文件。
include/linux/netfilter/nfnetlink.h
浏览文件 @
cad8e944
...
...
@@ -146,7 +146,7 @@ extern void nfnl_unlock(void);
extern
int
nfnetlink_subsys_register
(
struct
nfnetlink_subsystem
*
n
);
extern
int
nfnetlink_subsys_unregister
(
struct
nfnetlink_subsystem
*
n
);
extern
int
nfattr_parse
(
struct
nfattr
*
tb
[],
int
maxattr
,
extern
void
nfattr_parse
(
struct
nfattr
*
tb
[],
int
maxattr
,
struct
nfattr
*
nfa
,
int
len
);
#define nfattr_parse_nested(tb, max, nfa) \
...
...
net/ipv4/netfilter/ip_conntrack_netlink.c
浏览文件 @
cad8e944
...
...
@@ -28,11 +28,8 @@
#include <linux/netlink.h>
#include <linux/spinlock.h>
#include <linux/notifier.h>
#include <linux/rtnetlink.h>
#include <linux/netfilter.h>
#include <linux/netfilter_ipv4.h>
#include <linux/netfilter_ipv4/ip_tables.h>
#include <linux/netfilter_ipv4/ip_conntrack.h>
#include <linux/netfilter_ipv4/ip_conntrack_core.h>
#include <linux/netfilter_ipv4/ip_conntrack_helper.h>
...
...
@@ -58,14 +55,17 @@ ctnetlink_dump_tuples_proto(struct sk_buff *skb,
const
struct
ip_conntrack_tuple
*
tuple
)
{
struct
ip_conntrack_protocol
*
proto
;
int
ret
=
0
;
NFA_PUT
(
skb
,
CTA_PROTO_NUM
,
sizeof
(
u_int8_t
),
&
tuple
->
dst
.
protonum
);
proto
=
ip_conntrack_proto_find_get
(
tuple
->
dst
.
protonum
);
if
(
proto
&&
proto
->
tuple_to_nfattr
)
return
proto
->
tuple_to_nfattr
(
skb
,
tuple
);
if
(
likely
(
proto
&&
proto
->
tuple_to_nfattr
))
{
ret
=
proto
->
tuple_to_nfattr
(
skb
,
tuple
);
ip_conntrack_proto_put
(
proto
);
}
return
0
;
return
ret
;
nfattr_failure:
return
-
1
;
...
...
@@ -175,7 +175,7 @@ ctnetlink_dump_counters(struct sk_buff *skb, const struct ip_conntrack *ct,
{
enum
ctattr_type
type
=
dir
?
CTA_COUNTERS_REPLY
:
CTA_COUNTERS_ORIG
;
struct
nfattr
*
nest_count
=
NFA_NEST
(
skb
,
type
);
u_int
64
_t
tmp
;
u_int
32
_t
tmp
;
tmp
=
htonl
(
ct
->
counters
[
dir
].
packets
);
NFA_PUT
(
skb
,
CTA_COUNTERS32_PACKETS
,
sizeof
(
u_int32_t
),
&
tmp
);
...
...
@@ -479,9 +479,7 @@ ctnetlink_parse_tuple_ip(struct nfattr *attr, struct ip_conntrack_tuple *tuple)
DEBUGP
(
"entered %s
\n
"
,
__FUNCTION__
);
if
(
nfattr_parse_nested
(
tb
,
CTA_IP_MAX
,
attr
)
<
0
)
goto
nfattr_failure
;
nfattr_parse_nested
(
tb
,
CTA_IP_MAX
,
attr
);
if
(
nfattr_bad_size
(
tb
,
CTA_IP_MAX
,
cta_min_ip
))
return
-
EINVAL
;
...
...
@@ -497,9 +495,6 @@ ctnetlink_parse_tuple_ip(struct nfattr *attr, struct ip_conntrack_tuple *tuple)
DEBUGP
(
"leaving
\n
"
);
return
0
;
nfattr_failure:
return
-
1
;
}
static
const
int
cta_min_proto
[
CTA_PROTO_MAX
]
=
{
...
...
@@ -521,8 +516,7 @@ ctnetlink_parse_tuple_proto(struct nfattr *attr,
DEBUGP
(
"entered %s
\n
"
,
__FUNCTION__
);
if
(
nfattr_parse_nested
(
tb
,
CTA_PROTO_MAX
,
attr
)
<
0
)
goto
nfattr_failure
;
nfattr_parse_nested
(
tb
,
CTA_PROTO_MAX
,
attr
);
if
(
nfattr_bad_size
(
tb
,
CTA_PROTO_MAX
,
cta_min_proto
))
return
-
EINVAL
;
...
...
@@ -539,9 +533,6 @@ ctnetlink_parse_tuple_proto(struct nfattr *attr,
}
return
ret
;
nfattr_failure:
return
-
1
;
}
static
inline
int
...
...
@@ -555,8 +546,7 @@ ctnetlink_parse_tuple(struct nfattr *cda[], struct ip_conntrack_tuple *tuple,
memset
(
tuple
,
0
,
sizeof
(
*
tuple
));
if
(
nfattr_parse_nested
(
tb
,
CTA_TUPLE_MAX
,
cda
[
type
-
1
])
<
0
)
goto
nfattr_failure
;
nfattr_parse_nested
(
tb
,
CTA_TUPLE_MAX
,
cda
[
type
-
1
]);
if
(
!
tb
[
CTA_TUPLE_IP
-
1
])
return
-
EINVAL
;
...
...
@@ -583,9 +573,6 @@ ctnetlink_parse_tuple(struct nfattr *cda[], struct ip_conntrack_tuple *tuple,
DEBUGP
(
"leaving
\n
"
);
return
0
;
nfattr_failure:
return
-
1
;
}
#ifdef CONFIG_IP_NF_NAT_NEEDED
...
...
@@ -603,11 +590,10 @@ static int ctnetlink_parse_nat_proto(struct nfattr *attr,
DEBUGP
(
"entered %s
\n
"
,
__FUNCTION__
);
if
(
nfattr_parse_nested
(
tb
,
CTA_PROTONAT_MAX
,
attr
)
<
0
)
goto
nfattr_failure
;
nfattr_parse_nested
(
tb
,
CTA_PROTONAT_MAX
,
attr
);
if
(
nfattr_bad_size
(
tb
,
CTA_PROTONAT_MAX
,
cta_min_protonat
))
goto
nfattr_failure
;
return
-
EINVAL
;
npt
=
ip_nat_proto_find_get
(
ct
->
tuplehash
[
IP_CT_DIR_ORIGINAL
].
tuple
.
dst
.
protonum
);
if
(
!
npt
)
...
...
@@ -626,9 +612,6 @@ static int ctnetlink_parse_nat_proto(struct nfattr *attr,
DEBUGP
(
"leaving
\n
"
);
return
0
;
nfattr_failure:
return
-
1
;
}
static
inline
int
...
...
@@ -642,8 +625,7 @@ ctnetlink_parse_nat(struct nfattr *cda[],
memset
(
range
,
0
,
sizeof
(
*
range
));
if
(
nfattr_parse_nested
(
tb
,
CTA_NAT_MAX
,
cda
[
CTA_NAT
-
1
])
<
0
)
goto
nfattr_failure
;
nfattr_parse_nested
(
tb
,
CTA_NAT_MAX
,
cda
[
CTA_NAT
-
1
]);
if
(
tb
[
CTA_NAT_MINIP
-
1
])
range
->
min_ip
=
*
(
u_int32_t
*
)
NFA_DATA
(
tb
[
CTA_NAT_MINIP
-
1
]);
...
...
@@ -665,9 +647,6 @@ ctnetlink_parse_nat(struct nfattr *cda[],
DEBUGP
(
"leaving
\n
"
);
return
0
;
nfattr_failure:
return
-
1
;
}
#endif
...
...
@@ -678,8 +657,7 @@ ctnetlink_parse_help(struct nfattr *attr, char **helper_name)
DEBUGP
(
"entered %s
\n
"
,
__FUNCTION__
);
if
(
nfattr_parse_nested
(
tb
,
CTA_HELP_MAX
,
attr
)
<
0
)
goto
nfattr_failure
;
nfattr_parse_nested
(
tb
,
CTA_HELP_MAX
,
attr
);
if
(
!
tb
[
CTA_HELP_NAME
-
1
])
return
-
EINVAL
;
...
...
@@ -687,9 +665,6 @@ ctnetlink_parse_help(struct nfattr *attr, char **helper_name)
*
helper_name
=
NFA_DATA
(
tb
[
CTA_HELP_NAME
-
1
]);
return
0
;
nfattr_failure:
return
-
1
;
}
static
int
...
...
@@ -804,7 +779,7 @@ ctnetlink_get_conntrack(struct sock *ctnl, struct sk_buff *skb,
ct
=
tuplehash_to_ctrack
(
h
);
err
=
-
ENOMEM
;
skb2
=
alloc_skb
(
NLMSG_GOODSIZE
,
GFP_
ATOMIC
);
skb2
=
alloc_skb
(
NLMSG_GOODSIZE
,
GFP_
KERNEL
);
if
(
!
skb2
)
{
ip_conntrack_put
(
ct
);
return
-
ENOMEM
;
...
...
@@ -827,7 +802,7 @@ ctnetlink_get_conntrack(struct sock *ctnl, struct sk_buff *skb,
free:
kfree_skb
(
skb2
);
out:
return
-
1
;
return
err
;
}
static
inline
int
...
...
@@ -957,8 +932,7 @@ ctnetlink_change_protoinfo(struct ip_conntrack *ct, struct nfattr *cda[])
u_int16_t
npt
=
ct
->
tuplehash
[
IP_CT_DIR_ORIGINAL
].
tuple
.
dst
.
protonum
;
int
err
=
0
;
if
(
nfattr_parse_nested
(
tb
,
CTA_PROTOINFO_MAX
,
attr
)
<
0
)
goto
nfattr_failure
;
nfattr_parse_nested
(
tb
,
CTA_PROTOINFO_MAX
,
attr
);
proto
=
ip_conntrack_proto_find_get
(
npt
);
if
(
!
proto
)
...
...
@@ -969,9 +943,6 @@ ctnetlink_change_protoinfo(struct ip_conntrack *ct, struct nfattr *cda[])
ip_conntrack_proto_put
(
proto
);
return
err
;
nfattr_failure:
return
-
ENOMEM
;
}
static
int
...
...
@@ -1005,6 +976,11 @@ ctnetlink_change_conntrack(struct ip_conntrack *ct, struct nfattr *cda[])
return
err
;
}
#if defined(CONFIG_IP_NF_CONNTRACK_MARK)
if
(
cda
[
CTA_MARK
-
1
])
ct
->
mark
=
ntohl
(
*
(
u_int32_t
*
)
NFA_DATA
(
cda
[
CTA_MARK
-
1
]));
#endif
DEBUGP
(
"all done
\n
"
);
return
0
;
}
...
...
@@ -1048,6 +1024,11 @@ ctnetlink_create_conntrack(struct nfattr *cda[],
if
(
ct
->
helper
)
ip_conntrack_helper_put
(
ct
->
helper
);
#if defined(CONFIG_IP_NF_CONNTRACK_MARK)
if
(
cda
[
CTA_MARK
-
1
])
ct
->
mark
=
ntohl
(
*
(
u_int32_t
*
)
NFA_DATA
(
cda
[
CTA_MARK
-
1
]));
#endif
DEBUGP
(
"conntrack with id %u inserted
\n
"
,
ct
->
id
);
return
0
;
...
...
@@ -1312,6 +1293,14 @@ ctnetlink_get_expect(struct sock *ctnl, struct sk_buff *skb,
if
(
!
exp
)
return
-
ENOENT
;
if
(
cda
[
CTA_EXPECT_ID
-
1
])
{
u_int32_t
id
=
*
(
u_int32_t
*
)
NFA_DATA
(
cda
[
CTA_EXPECT_ID
-
1
]);
if
(
exp
->
id
!=
ntohl
(
id
))
{
ip_conntrack_expect_put
(
exp
);
return
-
ENOENT
;
}
}
err
=
-
ENOMEM
;
skb2
=
alloc_skb
(
NLMSG_GOODSIZE
,
GFP_KERNEL
);
if
(
!
skb2
)
...
...
@@ -1554,6 +1543,8 @@ static struct nfnetlink_subsystem ctnl_exp_subsys = {
.
cb
=
ctnl_exp_cb
,
};
MODULE_ALIAS_NFNL_SUBSYS
(
NFNL_SUBSYS_CTNETLINK
);
static
int
__init
ctnetlink_init
(
void
)
{
int
ret
;
...
...
net/ipv4/netfilter/ip_conntrack_proto_icmp.c
浏览文件 @
cad8e944
...
...
@@ -151,13 +151,13 @@ icmp_error_message(struct sk_buff *skb,
/* Not enough header? */
inside
=
skb_header_pointer
(
skb
,
skb
->
nh
.
iph
->
ihl
*
4
,
sizeof
(
_in
),
&
_in
);
if
(
inside
==
NULL
)
return
NF_ACCEPT
;
return
-
NF_ACCEPT
;
/* Ignore ICMP's containing fragments (shouldn't happen) */
if
(
inside
->
ip
.
frag_off
&
htons
(
IP_OFFSET
))
{
DEBUGP
(
"icmp_error_track: fragment of proto %u
\n
"
,
inside
->
ip
.
protocol
);
return
NF_ACCEPT
;
return
-
NF_ACCEPT
;
}
innerproto
=
ip_conntrack_proto_find_get
(
inside
->
ip
.
protocol
);
...
...
@@ -166,7 +166,7 @@ icmp_error_message(struct sk_buff *skb,
if
(
!
ip_ct_get_tuple
(
&
inside
->
ip
,
skb
,
dataoff
,
&
origtuple
,
innerproto
))
{
DEBUGP
(
"icmp_error: ! get_tuple p=%u"
,
inside
->
ip
.
protocol
);
ip_conntrack_proto_put
(
innerproto
);
return
NF_ACCEPT
;
return
-
NF_ACCEPT
;
}
/* Ordinarily, we'd expect the inverted tupleproto, but it's
...
...
@@ -174,7 +174,7 @@ icmp_error_message(struct sk_buff *skb,
if
(
!
ip_ct_invert_tuple
(
&
innertuple
,
&
origtuple
,
innerproto
))
{
DEBUGP
(
"icmp_error_track: Can't invert tuple
\n
"
);
ip_conntrack_proto_put
(
innerproto
);
return
NF_ACCEPT
;
return
-
NF_ACCEPT
;
}
ip_conntrack_proto_put
(
innerproto
);
...
...
@@ -190,7 +190,7 @@ icmp_error_message(struct sk_buff *skb,
if
(
!
h
)
{
DEBUGP
(
"icmp_error_track: no match
\n
"
);
return
NF_ACCEPT
;
return
-
NF_ACCEPT
;
}
/* Reverse direction from that found */
if
(
DIRECTION
(
h
)
!=
IP_CT_DIR_REPLY
)
...
...
@@ -296,7 +296,8 @@ static int icmp_nfattr_to_tuple(struct nfattr *tb[],
struct
ip_conntrack_tuple
*
tuple
)
{
if
(
!
tb
[
CTA_PROTO_ICMP_TYPE
-
1
]
||
!
tb
[
CTA_PROTO_ICMP_CODE
-
1
])
||
!
tb
[
CTA_PROTO_ICMP_CODE
-
1
]
||
!
tb
[
CTA_PROTO_ICMP_ID
-
1
])
return
-
1
;
tuple
->
dst
.
u
.
icmp
.
type
=
...
...
@@ -304,7 +305,7 @@ static int icmp_nfattr_to_tuple(struct nfattr *tb[],
tuple
->
dst
.
u
.
icmp
.
code
=
*
(
u_int8_t
*
)
NFA_DATA
(
tb
[
CTA_PROTO_ICMP_CODE
-
1
]);
tuple
->
src
.
u
.
icmp
.
id
=
*
(
u_int
8
_t
*
)
NFA_DATA
(
tb
[
CTA_PROTO_ICMP_ID
-
1
]);
*
(
u_int
16
_t
*
)
NFA_DATA
(
tb
[
CTA_PROTO_ICMP_ID
-
1
]);
return
0
;
}
...
...
net/ipv4/netfilter/ip_conntrack_proto_tcp.c
浏览文件 @
cad8e944
...
...
@@ -362,8 +362,12 @@ static int nfattr_to_tcp(struct nfattr *cda[], struct ip_conntrack *ct)
struct
nfattr
*
attr
=
cda
[
CTA_PROTOINFO_TCP
-
1
];
struct
nfattr
*
tb
[
CTA_PROTOINFO_TCP_MAX
];
if
(
nfattr_parse_nested
(
tb
,
CTA_PROTOINFO_TCP_MAX
,
attr
)
<
0
)
goto
nfattr_failure
;
/* updates could not contain anything about the private
* protocol info, in that case skip the parsing */
if
(
!
attr
)
return
0
;
nfattr_parse_nested
(
tb
,
CTA_PROTOINFO_TCP_MAX
,
attr
);
if
(
!
tb
[
CTA_PROTOINFO_TCP_STATE
-
1
])
return
-
EINVAL
;
...
...
@@ -374,9 +378,6 @@ static int nfattr_to_tcp(struct nfattr *cda[], struct ip_conntrack *ct)
write_unlock_bh
(
&
tcp_lock
);
return
0
;
nfattr_failure:
return
-
1
;
}
#endif
...
...
net/ipv4/netfilter/ip_nat_helper_pptp.c
浏览文件 @
cad8e944
...
...
@@ -73,6 +73,7 @@ static void pptp_nat_expected(struct ip_conntrack *ct,
struct
ip_conntrack_tuple
t
;
struct
ip_ct_pptp_master
*
ct_pptp_info
;
struct
ip_nat_pptp
*
nat_pptp_info
;
struct
ip_nat_range
range
;
ct_pptp_info
=
&
master
->
help
.
ct_pptp_info
;
nat_pptp_info
=
&
master
->
nat
.
help
.
nat_pptp_info
;
...
...
@@ -110,7 +111,30 @@ static void pptp_nat_expected(struct ip_conntrack *ct,
DEBUGP
(
"not found!
\n
"
);
}
ip_nat_follow_master
(
ct
,
exp
);
/* This must be a fresh one. */
BUG_ON
(
ct
->
status
&
IPS_NAT_DONE_MASK
);
/* Change src to where master sends to */
range
.
flags
=
IP_NAT_RANGE_MAP_IPS
;
range
.
min_ip
=
range
.
max_ip
=
ct
->
master
->
tuplehash
[
!
exp
->
dir
].
tuple
.
dst
.
ip
;
if
(
exp
->
dir
==
IP_CT_DIR_ORIGINAL
)
{
range
.
flags
|=
IP_NAT_RANGE_PROTO_SPECIFIED
;
range
.
min
=
range
.
max
=
exp
->
saved_proto
;
}
/* hook doesn't matter, but it has to do source manip */
ip_nat_setup_info
(
ct
,
&
range
,
NF_IP_POST_ROUTING
);
/* For DST manip, map port here to where it's expected. */
range
.
flags
=
IP_NAT_RANGE_MAP_IPS
;
range
.
min_ip
=
range
.
max_ip
=
ct
->
master
->
tuplehash
[
!
exp
->
dir
].
tuple
.
src
.
ip
;
if
(
exp
->
dir
==
IP_CT_DIR_REPLY
)
{
range
.
flags
|=
IP_NAT_RANGE_PROTO_SPECIFIED
;
range
.
min
=
range
.
max
=
exp
->
saved_proto
;
}
/* hook doesn't matter, but it has to do destination manip */
ip_nat_setup_info
(
ct
,
&
range
,
NF_IP_PRE_ROUTING
);
}
/* outbound packets == from PNS to PAC */
...
...
@@ -213,7 +237,7 @@ pptp_exp_gre(struct ip_conntrack_expect *expect_orig,
/* alter expectation for PNS->PAC direction */
invert_tuplepr
(
&
inv_t
,
&
expect_orig
->
tuple
);
expect_orig
->
saved_proto
.
gre
.
key
=
htons
(
nat_pptp_info
->
pac
_call_id
);
expect_orig
->
saved_proto
.
gre
.
key
=
htons
(
ct_pptp_info
->
pns
_call_id
);
expect_orig
->
tuple
.
src
.
u
.
gre
.
key
=
htons
(
nat_pptp_info
->
pns_call_id
);
expect_orig
->
tuple
.
dst
.
u
.
gre
.
key
=
htons
(
ct_pptp_info
->
pac_call_id
);
expect_orig
->
dir
=
IP_CT_DIR_ORIGINAL
;
...
...
net/ipv6/addrconf.c
浏览文件 @
cad8e944
...
...
@@ -1022,6 +1022,7 @@ int ipv6_dev_get_saddr(struct net_device *daddr_dev,
continue
;
}
#ifdef CONFIG_IPV6_PRIVACY
/* Rule 7: Prefer public address
* Note: prefer temprary address if use_tempaddr >= 2
*/
...
...
@@ -1042,7 +1043,7 @@ int ipv6_dev_get_saddr(struct net_device *daddr_dev,
if
(
hiscore
.
attrs
&
IPV6_SADDR_SCORE_PRIVACY
)
continue
;
}
#endif
/* Rule 8: Use longest matching prefix */
if
(
hiscore
.
rule
<
8
)
hiscore
.
matchlen
=
ipv6_addr_diff
(
&
ifa_result
->
addr
,
daddr
);
...
...
net/ipv6/ip6_tunnel.c
浏览文件 @
cad8e944
...
...
@@ -525,6 +525,7 @@ ip6ip6_rcv(struct sk_buff **pskb, unsigned int *nhoffp)
if
((
t
=
ip6ip6_tnl_lookup
(
&
ipv6h
->
saddr
,
&
ipv6h
->
daddr
))
!=
NULL
)
{
if
(
!
xfrm6_policy_check
(
NULL
,
XFRM_POLICY_IN
,
skb
))
{
read_unlock
(
&
ip6ip6_lock
);
kfree_skb
(
skb
);
return
0
;
}
...
...
net/netfilter/nfnetlink.c
浏览文件 @
cad8e944
...
...
@@ -128,7 +128,7 @@ void __nfa_fill(struct sk_buff *skb, int attrtype, int attrlen,
memset
(
NFA_DATA
(
nfa
)
+
attrlen
,
0
,
NFA_ALIGN
(
size
)
-
size
);
}
int
nfattr_parse
(
struct
nfattr
*
tb
[],
int
maxattr
,
struct
nfattr
*
nfa
,
int
len
)
void
nfattr_parse
(
struct
nfattr
*
tb
[],
int
maxattr
,
struct
nfattr
*
nfa
,
int
len
)
{
memset
(
tb
,
0
,
sizeof
(
struct
nfattr
*
)
*
maxattr
);
...
...
@@ -138,8 +138,6 @@ int nfattr_parse(struct nfattr *tb[], int maxattr, struct nfattr *nfa, int len)
tb
[
flavor
-
1
]
=
nfa
;
nfa
=
NFA_NEXT
(
nfa
,
len
);
}
return
0
;
}
/**
...
...
@@ -242,15 +240,18 @@ static inline int nfnetlink_rcv_msg(struct sk_buff *skb,
ss
=
nfnetlink_get_subsys
(
type
);
if
(
!
ss
)
{
#ifdef CONFIG_KMOD
/* don't call nfnl_shunlock, since it would reenter
* with further packet processing */
up
(
&
nfnl_sem
);
request_module
(
"nfnetlink-subsys-%d"
,
NFNL_SUBSYS_ID
(
type
));
nfnl_shlock
();
ss
=
nfnetlink_get_subsys
(
type
);
if
(
cap_raised
(
NETLINK_CB
(
skb
).
eff_cap
,
CAP_NET_ADMIN
))
{
/* don't call nfnl_shunlock, since it would reenter
* with further packet processing */
up
(
&
nfnl_sem
);
request_module
(
"nfnetlink-subsys-%d"
,
NFNL_SUBSYS_ID
(
type
));
nfnl_shlock
();
ss
=
nfnetlink_get_subsys
(
type
);
}
if
(
!
ss
)
#endif
goto
err_inval
;
goto
err_inval
;
}
nc
=
nfnetlink_find_client
(
type
,
ss
);
...
...
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