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path: root/net/ipv4/netfilter/nf_nat_sip.c
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Diffstat (limited to 'net/ipv4/netfilter/nf_nat_sip.c')
-rw-r--r--net/ipv4/netfilter/nf_nat_sip.c56
1 files changed, 28 insertions, 28 deletions
diff --git a/net/ipv4/netfilter/nf_nat_sip.c b/net/ipv4/netfilter/nf_nat_sip.c
index e14d41976c2..ce9edbcc01e 100644
--- a/net/ipv4/netfilter/nf_nat_sip.c
+++ b/net/ipv4/netfilter/nf_nat_sip.c
@@ -60,7 +60,7 @@ static void addr_map_init(struct nf_conn *ct, struct addr_map *map)
}
}
-static int map_sip_addr(struct sk_buff **pskb, enum ip_conntrack_info ctinfo,
+static int map_sip_addr(struct sk_buff *skb, enum ip_conntrack_info ctinfo,
struct nf_conn *ct, const char **dptr, size_t dlen,
enum sip_header_pos pos, struct addr_map *map)
{
@@ -84,15 +84,15 @@ static int map_sip_addr(struct sk_buff **pskb, enum ip_conntrack_info ctinfo,
} else
return 1;
- if (!nf_nat_mangle_udp_packet(pskb, ct, ctinfo,
+ if (!nf_nat_mangle_udp_packet(skb, ct, ctinfo,
matchoff, matchlen, addr, addrlen))
return 0;
- *dptr = (*pskb)->data + ip_hdrlen(*pskb) + sizeof(struct udphdr);
+ *dptr = skb->data + ip_hdrlen(skb) + sizeof(struct udphdr);
return 1;
}
-static unsigned int ip_nat_sip(struct sk_buff **pskb,
+static unsigned int ip_nat_sip(struct sk_buff *skb,
enum ip_conntrack_info ctinfo,
struct nf_conn *ct,
const char **dptr)
@@ -101,8 +101,8 @@ static unsigned int ip_nat_sip(struct sk_buff **pskb,
struct addr_map map;
int dataoff, datalen;
- dataoff = ip_hdrlen(*pskb) + sizeof(struct udphdr);
- datalen = (*pskb)->len - dataoff;
+ dataoff = ip_hdrlen(skb) + sizeof(struct udphdr);
+ datalen = skb->len - dataoff;
if (datalen < sizeof("SIP/2.0") - 1)
return NF_ACCEPT;
@@ -121,19 +121,19 @@ static unsigned int ip_nat_sip(struct sk_buff **pskb,
else
pos = POS_REQ_URI;
- if (!map_sip_addr(pskb, ctinfo, ct, dptr, datalen, pos, &map))
+ if (!map_sip_addr(skb, ctinfo, ct, dptr, datalen, pos, &map))
return NF_DROP;
}
- if (!map_sip_addr(pskb, ctinfo, ct, dptr, datalen, POS_FROM, &map) ||
- !map_sip_addr(pskb, ctinfo, ct, dptr, datalen, POS_TO, &map) ||
- !map_sip_addr(pskb, ctinfo, ct, dptr, datalen, POS_VIA, &map) ||
- !map_sip_addr(pskb, ctinfo, ct, dptr, datalen, POS_CONTACT, &map))
+ if (!map_sip_addr(skb, ctinfo, ct, dptr, datalen, POS_FROM, &map) ||
+ !map_sip_addr(skb, ctinfo, ct, dptr, datalen, POS_TO, &map) ||
+ !map_sip_addr(skb, ctinfo, ct, dptr, datalen, POS_VIA, &map) ||
+ !map_sip_addr(skb, ctinfo, ct, dptr, datalen, POS_CONTACT, &map))
return NF_DROP;
return NF_ACCEPT;
}
-static unsigned int mangle_sip_packet(struct sk_buff **pskb,
+static unsigned int mangle_sip_packet(struct sk_buff *skb,
enum ip_conntrack_info ctinfo,
struct nf_conn *ct,
const char **dptr, size_t dlen,
@@ -145,16 +145,16 @@ static unsigned int mangle_sip_packet(struct sk_buff **pskb,
if (ct_sip_get_info(ct, *dptr, dlen, &matchoff, &matchlen, pos) <= 0)
return 0;
- if (!nf_nat_mangle_udp_packet(pskb, ct, ctinfo,
+ if (!nf_nat_mangle_udp_packet(skb, ct, ctinfo,
matchoff, matchlen, buffer, bufflen))
return 0;
/* We need to reload this. Thanks Patrick. */
- *dptr = (*pskb)->data + ip_hdrlen(*pskb) + sizeof(struct udphdr);
+ *dptr = skb->data + ip_hdrlen(skb) + sizeof(struct udphdr);
return 1;
}
-static int mangle_content_len(struct sk_buff **pskb,
+static int mangle_content_len(struct sk_buff *skb,
enum ip_conntrack_info ctinfo,
struct nf_conn *ct,
const char *dptr)
@@ -163,22 +163,22 @@ static int mangle_content_len(struct sk_buff **pskb,
char buffer[sizeof("65536")];
int bufflen;
- dataoff = ip_hdrlen(*pskb) + sizeof(struct udphdr);
+ dataoff = ip_hdrlen(skb) + sizeof(struct udphdr);
/* Get actual SDP lenght */
- if (ct_sip_get_info(ct, dptr, (*pskb)->len - dataoff, &matchoff,
+ if (ct_sip_get_info(ct, dptr, skb->len - dataoff, &matchoff,
&matchlen, POS_SDP_HEADER) > 0) {
/* since ct_sip_get_info() give us a pointer passing 'v='
we need to add 2 bytes in this count. */
- int c_len = (*pskb)->len - dataoff - matchoff + 2;
+ int c_len = skb->len - dataoff - matchoff + 2;
/* Now, update SDP length */
- if (ct_sip_get_info(ct, dptr, (*pskb)->len - dataoff, &matchoff,
+ if (ct_sip_get_info(ct, dptr, skb->len - dataoff, &matchoff,
&matchlen, POS_CONTENT) > 0) {
bufflen = sprintf(buffer, "%u", c_len);
- return nf_nat_mangle_udp_packet(pskb, ct, ctinfo,
+ return nf_nat_mangle_udp_packet(skb, ct, ctinfo,
matchoff, matchlen,
buffer, bufflen);
}
@@ -186,7 +186,7 @@ static int mangle_content_len(struct sk_buff **pskb,
return 0;
}
-static unsigned int mangle_sdp(struct sk_buff **pskb,
+static unsigned int mangle_sdp(struct sk_buff *skb,
enum ip_conntrack_info ctinfo,
struct nf_conn *ct,
__be32 newip, u_int16_t port,
@@ -195,25 +195,25 @@ static unsigned int mangle_sdp(struct sk_buff **pskb,
char buffer[sizeof("nnn.nnn.nnn.nnn")];
unsigned int dataoff, bufflen;
- dataoff = ip_hdrlen(*pskb) + sizeof(struct udphdr);
+ dataoff = ip_hdrlen(skb) + sizeof(struct udphdr);
/* Mangle owner and contact info. */
bufflen = sprintf(buffer, "%u.%u.%u.%u", NIPQUAD(newip));
- if (!mangle_sip_packet(pskb, ctinfo, ct, &dptr, (*pskb)->len - dataoff,
+ if (!mangle_sip_packet(skb, ctinfo, ct, &dptr, skb->len - dataoff,
buffer, bufflen, POS_OWNER_IP4))
return 0;
- if (!mangle_sip_packet(pskb, ctinfo, ct, &dptr, (*pskb)->len - dataoff,
+ if (!mangle_sip_packet(skb, ctinfo, ct, &dptr, skb->len - dataoff,
buffer, bufflen, POS_CONNECTION_IP4))
return 0;
/* Mangle media port. */
bufflen = sprintf(buffer, "%u", port);
- if (!mangle_sip_packet(pskb, ctinfo, ct, &dptr, (*pskb)->len - dataoff,
+ if (!mangle_sip_packet(skb, ctinfo, ct, &dptr, skb->len - dataoff,
buffer, bufflen, POS_MEDIA))
return 0;
- return mangle_content_len(pskb, ctinfo, ct, dptr);
+ return mangle_content_len(skb, ctinfo, ct, dptr);
}
static void ip_nat_sdp_expect(struct nf_conn *ct,
@@ -241,7 +241,7 @@ static void ip_nat_sdp_expect(struct nf_conn *ct,
/* So, this packet has hit the connection tracking matching code.
Mangle it, and change the expectation to match the new version. */
-static unsigned int ip_nat_sdp(struct sk_buff **pskb,
+static unsigned int ip_nat_sdp(struct sk_buff *skb,
enum ip_conntrack_info ctinfo,
struct nf_conntrack_expect *exp,
const char *dptr)
@@ -277,7 +277,7 @@ static unsigned int ip_nat_sdp(struct sk_buff **pskb,
if (port == 0)
return NF_DROP;
- if (!mangle_sdp(pskb, ctinfo, ct, newip, port, dptr)) {
+ if (!mangle_sdp(skb, ctinfo, ct, newip, port, dptr)) {
nf_ct_unexpect_related(exp);
return NF_DROP;
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-05-11 11:47:48 +0000