aboutsummaryrefslogtreecommitdiffstats
path: root/net/ipv4/netfilter
diff options
context:
space:
mode:
Diffstat (limited to 'net/ipv4/netfilter')
-rw-r--r--net/ipv4/netfilter/nf_nat_proto_common.c8
-rw-r--r--net/ipv4/netfilter/nf_nat_proto_dccp.c6
-rw-r--r--net/ipv4/netfilter/nf_nat_proto_gre.c8
-rw-r--r--net/ipv4/netfilter/nf_nat_proto_icmp.c6
-rw-r--r--net/ipv4/netfilter/nf_nat_proto_sctp.c6
-rw-r--r--net/ipv4/netfilter/nf_nat_proto_tcp.c5
-rw-r--r--net/ipv4/netfilter/nf_nat_proto_udp.c5
-rw-r--r--net/ipv4/netfilter/nf_nat_proto_udplite.c6
-rw-r--r--net/ipv4/netfilter/nf_nat_proto_unknown.c4
9 files changed, 26 insertions, 28 deletions
diff --git a/net/ipv4/netfilter/nf_nat_proto_common.c b/net/ipv4/netfilter/nf_nat_proto_common.c
index 6c4f11f51446..2844a0383a11 100644
--- a/net/ipv4/netfilter/nf_nat_proto_common.c
+++ b/net/ipv4/netfilter/nf_nat_proto_common.c
@@ -34,7 +34,7 @@ bool nf_nat_proto_in_range(const struct nf_conntrack_tuple *tuple,
}
EXPORT_SYMBOL_GPL(nf_nat_proto_in_range);
-bool nf_nat_proto_unique_tuple(struct nf_conntrack_tuple *tuple,
+void nf_nat_proto_unique_tuple(struct nf_conntrack_tuple *tuple,
const struct nf_nat_range *range,
enum nf_nat_manip_type maniptype,
const struct nf_conn *ct,
@@ -53,7 +53,7 @@ bool nf_nat_proto_unique_tuple(struct nf_conntrack_tuple *tuple,
if (!(range->flags & IP_NAT_RANGE_PROTO_SPECIFIED)) {
/* If it's dst rewrite, can't change port */
if (maniptype == IP_NAT_MANIP_DST)
- return false;
+ return;
if (ntohs(*portptr) < 1024) {
/* Loose convention: >> 512 is credential passing */
@@ -87,9 +87,9 @@ bool nf_nat_proto_unique_tuple(struct nf_conntrack_tuple *tuple,
continue;
if (!(range->flags & IP_NAT_RANGE_PROTO_RANDOM))
*rover = off;
- return true;
+ return;
}
- return false;
+ return;
}
EXPORT_SYMBOL_GPL(nf_nat_proto_unique_tuple);
diff --git a/net/ipv4/netfilter/nf_nat_proto_dccp.c b/net/ipv4/netfilter/nf_nat_proto_dccp.c
index 22485ce306d4..570faf2667b2 100644
--- a/net/ipv4/netfilter/nf_nat_proto_dccp.c
+++ b/net/ipv4/netfilter/nf_nat_proto_dccp.c
@@ -22,14 +22,14 @@
static u_int16_t dccp_port_rover;
-static bool
+static void
dccp_unique_tuple(struct nf_conntrack_tuple *tuple,
const struct nf_nat_range *range,
enum nf_nat_manip_type maniptype,
const struct nf_conn *ct)
{
- return nf_nat_proto_unique_tuple(tuple, range, maniptype, ct,
- &dccp_port_rover);
+ nf_nat_proto_unique_tuple(tuple, range, maniptype, ct,
+ &dccp_port_rover);
}
static bool
diff --git a/net/ipv4/netfilter/nf_nat_proto_gre.c b/net/ipv4/netfilter/nf_nat_proto_gre.c
index d7e89201351e..89933ab6f63e 100644
--- a/net/ipv4/netfilter/nf_nat_proto_gre.c
+++ b/net/ipv4/netfilter/nf_nat_proto_gre.c
@@ -37,7 +37,7 @@ MODULE_AUTHOR("Harald Welte <laforge@gnumonks.org>");
MODULE_DESCRIPTION("Netfilter NAT protocol helper module for GRE");
/* generate unique tuple ... */
-static bool
+static void
gre_unique_tuple(struct nf_conntrack_tuple *tuple,
const struct nf_nat_range *range,
enum nf_nat_manip_type maniptype,
@@ -50,7 +50,7 @@ gre_unique_tuple(struct nf_conntrack_tuple *tuple,
/* If there is no master conntrack we are not PPTP,
do not change tuples */
if (!ct->master)
- return false;
+ return;
if (maniptype == IP_NAT_MANIP_SRC)
keyptr = &tuple->src.u.gre.key;
@@ -71,11 +71,11 @@ gre_unique_tuple(struct nf_conntrack_tuple *tuple,
for (i = 0; i < range_size; i++, key++) {
*keyptr = htons(min + key % range_size);
if (!nf_nat_used_tuple(tuple, ct))
- return true;
+ return;
}
pr_debug("%p: no NAT mapping\n", ct);
- return false;
+ return;
}
/* manipulate a GRE packet according to maniptype */
diff --git a/net/ipv4/netfilter/nf_nat_proto_icmp.c b/net/ipv4/netfilter/nf_nat_proto_icmp.c
index 19a8b0b07d8e..97003fe312e3 100644
--- a/net/ipv4/netfilter/nf_nat_proto_icmp.c
+++ b/net/ipv4/netfilter/nf_nat_proto_icmp.c
@@ -27,7 +27,7 @@ icmp_in_range(const struct nf_conntrack_tuple *tuple,
ntohs(tuple->src.u.icmp.id) <= ntohs(max->icmp.id);
}
-static bool
+static void
icmp_unique_tuple(struct nf_conntrack_tuple *tuple,
const struct nf_nat_range *range,
enum nf_nat_manip_type maniptype,
@@ -46,9 +46,9 @@ icmp_unique_tuple(struct nf_conntrack_tuple *tuple,
tuple->src.u.icmp.id = htons(ntohs(range->min.icmp.id) +
(id % range_size));
if (!nf_nat_used_tuple(tuple, ct))
- return true;
+ return;
}
- return false;
+ return;
}
static bool
diff --git a/net/ipv4/netfilter/nf_nat_proto_sctp.c b/net/ipv4/netfilter/nf_nat_proto_sctp.c
index 3fc598eeeb1a..756331d42661 100644
--- a/net/ipv4/netfilter/nf_nat_proto_sctp.c
+++ b/net/ipv4/netfilter/nf_nat_proto_sctp.c
@@ -16,14 +16,14 @@
static u_int16_t nf_sctp_port_rover;
-static bool
+static void
sctp_unique_tuple(struct nf_conntrack_tuple *tuple,
const struct nf_nat_range *range,
enum nf_nat_manip_type maniptype,
const struct nf_conn *ct)
{
- return nf_nat_proto_unique_tuple(tuple, range, maniptype, ct,
- &nf_sctp_port_rover);
+ nf_nat_proto_unique_tuple(tuple, range, maniptype, ct,
+ &nf_sctp_port_rover);
}
static bool
diff --git a/net/ipv4/netfilter/nf_nat_proto_tcp.c b/net/ipv4/netfilter/nf_nat_proto_tcp.c
index 399e2cfa263b..aa460a595d5d 100644
--- a/net/ipv4/netfilter/nf_nat_proto_tcp.c
+++ b/net/ipv4/netfilter/nf_nat_proto_tcp.c
@@ -20,14 +20,13 @@
static u_int16_t tcp_port_rover;
-static bool
+static void
tcp_unique_tuple(struct nf_conntrack_tuple *tuple,
const struct nf_nat_range *range,
enum nf_nat_manip_type maniptype,
const struct nf_conn *ct)
{
- return nf_nat_proto_unique_tuple(tuple, range, maniptype, ct,
- &tcp_port_rover);
+ nf_nat_proto_unique_tuple(tuple, range, maniptype, ct, &tcp_port_rover);
}
static bool
diff --git a/net/ipv4/netfilter/nf_nat_proto_udp.c b/net/ipv4/netfilter/nf_nat_proto_udp.c
index 9e61c79492e4..dfe65c7e2925 100644
--- a/net/ipv4/netfilter/nf_nat_proto_udp.c
+++ b/net/ipv4/netfilter/nf_nat_proto_udp.c
@@ -19,14 +19,13 @@
static u_int16_t udp_port_rover;
-static bool
+static void
udp_unique_tuple(struct nf_conntrack_tuple *tuple,
const struct nf_nat_range *range,
enum nf_nat_manip_type maniptype,
const struct nf_conn *ct)
{
- return nf_nat_proto_unique_tuple(tuple, range, maniptype, ct,
- &udp_port_rover);
+ nf_nat_proto_unique_tuple(tuple, range, maniptype, ct, &udp_port_rover);
}
static bool
diff --git a/net/ipv4/netfilter/nf_nat_proto_udplite.c b/net/ipv4/netfilter/nf_nat_proto_udplite.c
index 440a229bbd87..3cc8c8af39ef 100644
--- a/net/ipv4/netfilter/nf_nat_proto_udplite.c
+++ b/net/ipv4/netfilter/nf_nat_proto_udplite.c
@@ -18,14 +18,14 @@
static u_int16_t udplite_port_rover;
-static bool
+static void
udplite_unique_tuple(struct nf_conntrack_tuple *tuple,
const struct nf_nat_range *range,
enum nf_nat_manip_type maniptype,
const struct nf_conn *ct)
{
- return nf_nat_proto_unique_tuple(tuple, range, maniptype, ct,
- &udplite_port_rover);
+ nf_nat_proto_unique_tuple(tuple, range, maniptype, ct,
+ &udplite_port_rover);
}
static bool
diff --git a/net/ipv4/netfilter/nf_nat_proto_unknown.c b/net/ipv4/netfilter/nf_nat_proto_unknown.c
index 14381c62acea..a50f2bc1c732 100644
--- a/net/ipv4/netfilter/nf_nat_proto_unknown.c
+++ b/net/ipv4/netfilter/nf_nat_proto_unknown.c
@@ -26,14 +26,14 @@ static bool unknown_in_range(const struct nf_conntrack_tuple *tuple,
return true;
}
-static bool unknown_unique_tuple(struct nf_conntrack_tuple *tuple,
+static void unknown_unique_tuple(struct nf_conntrack_tuple *tuple,
const struct nf_nat_range *range,
enum nf_nat_manip_type maniptype,
const struct nf_conn *ct)
{
/* Sorry: we can't help you; if it's not unique, we can't frob
anything. */
- return false;
+ return;
}
static bool
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.