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IPVS: Add struct ip_vs_conn_param

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Signed-off-by: Simon Horman <horms@verge.net.au>
Acked-by: Julian Anastasov <ja@ssi.bg>
This commit is contained in:
Simon Horman 2010-08-22 21:37:52 +09:00
parent 5b57a98c1f
commit f11017ec2d
7 changed files with 211 additions and 203 deletions
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44
include/net/ip_vs.h
View File

@ -357,6 +357,15 @@ struct ip_vs_protocol {
extern struct ip_vs_protocol * ip_vs_proto_get(unsigned short proto);
struct ip_vs_conn_param {
const union nf_inet_addr *caddr;
const union nf_inet_addr *vaddr;
__be16 cport;
__be16 vport;
__u16 protocol;
u16 af;
};
/*
* IP_VS structure allocated for each dynamically scheduled connection
*/
@ -626,13 +635,23 @@ enum {
IP_VS_DIR_LAST,
};
extern struct ip_vs_conn *ip_vs_conn_in_get
(int af, int protocol, const union nf_inet_addr *s_addr, __be16 s_port,
const union nf_inet_addr *d_addr, __be16 d_port);
static inline void ip_vs_conn_fill_param(int af, int protocol,
const union nf_inet_addr *caddr,
__be16 cport,
const union nf_inet_addr *vaddr,
__be16 vport,
struct ip_vs_conn_param *p)
{
p->af = af;
p->protocol = protocol;
p->caddr = caddr;
p->cport = cport;
p->vaddr = vaddr;
p->vport = vport;
}
extern struct ip_vs_conn *ip_vs_ct_in_get
(int af, int protocol, const union nf_inet_addr *s_addr, __be16 s_port,
const union nf_inet_addr *d_addr, __be16 d_port);
struct ip_vs_conn *ip_vs_conn_in_get(const struct ip_vs_conn_param *p);
struct ip_vs_conn *ip_vs_ct_in_get(const struct ip_vs_conn_param *p);
struct ip_vs_conn * ip_vs_conn_in_get_proto(int af, const struct sk_buff *skb,
struct ip_vs_protocol *pp,
@ -640,9 +659,7 @@ struct ip_vs_conn * ip_vs_conn_in_get_proto(int af, const struct sk_buff *skb,
unsigned int proto_off,
int inverse);
extern struct ip_vs_conn *ip_vs_conn_out_get
(int af, int protocol, const union nf_inet_addr *s_addr, __be16 s_port,
const union nf_inet_addr *d_addr, __be16 d_port);
struct ip_vs_conn *ip_vs_conn_out_get(const struct ip_vs_conn_param *p);
struct ip_vs_conn * ip_vs_conn_out_get_proto(int af, const struct sk_buff *skb,
struct ip_vs_protocol *pp,
@ -658,11 +675,10 @@ static inline void __ip_vs_conn_put(struct ip_vs_conn *cp)
extern void ip_vs_conn_put(struct ip_vs_conn *cp);
extern void ip_vs_conn_fill_cport(struct ip_vs_conn *cp, __be16 cport);
extern struct ip_vs_conn *
ip_vs_conn_new(int af, int proto, const union nf_inet_addr *caddr, __be16 cport,
const union nf_inet_addr *vaddr, __be16 vport,
const union nf_inet_addr *daddr, __be16 dport, unsigned flags,
struct ip_vs_dest *dest);
struct ip_vs_conn *ip_vs_conn_new(const struct ip_vs_conn_param *p,
const union nf_inet_addr *daddr,
__be16 dport, unsigned flags,
struct ip_vs_dest *dest);
extern void ip_vs_conn_expire_now(struct ip_vs_conn *cp);
extern const char * ip_vs_state_name(__u16 proto, int state);

171
net/netfilter/ipvs/ip_vs_conn.c
View File

@ -218,27 +218,26 @@ static inline int ip_vs_conn_unhash(struct ip_vs_conn *cp)
/*
* Gets ip_vs_conn associated with supplied parameters in the ip_vs_conn_tab.
* Called for pkts coming from OUTside-to-INside.
* s_addr, s_port: pkt source address (foreign host)
* d_addr, d_port: pkt dest address (load balancer)
* p->caddr, p->cport: pkt source address (foreign host)
* p->vaddr, p->vport: pkt dest address (load balancer)
*/
static inline struct ip_vs_conn *__ip_vs_conn_in_get
(int af, int protocol, const union nf_inet_addr *s_addr, __be16 s_port,
const union nf_inet_addr *d_addr, __be16 d_port)
static inline struct ip_vs_conn *
__ip_vs_conn_in_get(const struct ip_vs_conn_param *p)
{
unsigned hash;
struct ip_vs_conn *cp;
hash = ip_vs_conn_hashkey(af, protocol, s_addr, s_port);
hash = ip_vs_conn_hashkey(p->af, p->protocol, p->caddr, p->cport);
ct_read_lock(hash);
list_for_each_entry(cp, &ip_vs_conn_tab[hash], c_list) {
if (cp->af == af &&
ip_vs_addr_equal(af, s_addr, &cp->caddr) &&
ip_vs_addr_equal(af, d_addr, &cp->vaddr) &&
s_port == cp->cport && d_port == cp->vport &&
((!s_port) ^ (!(cp->flags & IP_VS_CONN_F_NO_CPORT))) &&
protocol == cp->protocol) {
if (cp->af == p->af &&
ip_vs_addr_equal(p->af, p->caddr, &cp->caddr) &&
ip_vs_addr_equal(p->af, p->vaddr, &cp->vaddr) &&
p->cport == cp->cport && p->vport == cp->vport &&
((!p->cport) ^ (!(cp->flags & IP_VS_CONN_F_NO_CPORT))) &&
p->protocol == cp->protocol) {
/* HIT */
atomic_inc(&cp->refcnt);
ct_read_unlock(hash);
@ -251,71 +250,82 @@ static inline struct ip_vs_conn *__ip_vs_conn_in_get
return NULL;
}
struct ip_vs_conn *ip_vs_conn_in_get
(int af, int protocol, const union nf_inet_addr *s_addr, __be16 s_port,
const union nf_inet_addr *d_addr, __be16 d_port)
struct ip_vs_conn *ip_vs_conn_in_get(const struct ip_vs_conn_param *p)
{
struct ip_vs_conn *cp;
cp = __ip_vs_conn_in_get(af, protocol, s_addr, s_port, d_addr, d_port);
if (!cp && atomic_read(&ip_vs_conn_no_cport_cnt))
cp = __ip_vs_conn_in_get(af, protocol, s_addr, 0, d_addr,
d_port);
cp = __ip_vs_conn_in_get(p);
if (!cp && atomic_read(&ip_vs_conn_no_cport_cnt)) {
struct ip_vs_conn_param cport_zero_p = *p;
cport_zero_p.cport = 0;
cp = __ip_vs_conn_in_get(&cport_zero_p);
}
IP_VS_DBG_BUF(9, "lookup/in %s %s:%d->%s:%d %s\n",
ip_vs_proto_name(protocol),
IP_VS_DBG_ADDR(af, s_addr), ntohs(s_port),
IP_VS_DBG_ADDR(af, d_addr), ntohs(d_port),
ip_vs_proto_name(p->protocol),
IP_VS_DBG_ADDR(p->af, p->caddr), ntohs(p->cport),
IP_VS_DBG_ADDR(p->af, p->vaddr), ntohs(p->vport),
cp ? "hit" : "not hit");
return cp;
}
static int
ip_vs_conn_fill_param_proto(int af, const struct sk_buff *skb,
const struct ip_vs_iphdr *iph,
unsigned int proto_off, int inverse,
struct ip_vs_conn_param *p)
{
__be16 _ports[2], *pptr;
pptr = skb_header_pointer(skb, proto_off, sizeof(_ports), _ports);
if (pptr == NULL)
return 1;
if (likely(!inverse))
ip_vs_conn_fill_param(af, iph->protocol, &iph->saddr, pptr[0],
&iph->daddr, pptr[1], p);
else
ip_vs_conn_fill_param(af, iph->protocol, &iph->daddr, pptr[1],
&iph->saddr, pptr[0], p);
return 0;
}
struct ip_vs_conn *
ip_vs_conn_in_get_proto(int af, const struct sk_buff *skb,
struct ip_vs_protocol *pp,
const struct ip_vs_iphdr *iph,
unsigned int proto_off, int inverse)
{
__be16 _ports[2], *pptr;
struct ip_vs_conn_param p;
pptr = skb_header_pointer(skb, proto_off, sizeof(_ports), _ports);
if (pptr == NULL)
if (ip_vs_conn_fill_param_proto(af, skb, iph, proto_off, inverse, &p))
return NULL;
if (likely(!inverse))
return ip_vs_conn_in_get(af, iph->protocol,
&iph->saddr, pptr[0],
&iph->daddr, pptr[1]);
else
return ip_vs_conn_in_get(af, iph->protocol,
&iph->daddr, pptr[1],
&iph->saddr, pptr[0]);
return ip_vs_conn_in_get(&p);
}
EXPORT_SYMBOL_GPL(ip_vs_conn_in_get_proto);
/* Get reference to connection template */
struct ip_vs_conn *ip_vs_ct_in_get
(int af, int protocol, const union nf_inet_addr *s_addr, __be16 s_port,
const union nf_inet_addr *d_addr, __be16 d_port)
struct ip_vs_conn *ip_vs_ct_in_get(const struct ip_vs_conn_param *p)
{
unsigned hash;
struct ip_vs_conn *cp;
hash = ip_vs_conn_hashkey(af, protocol, s_addr, s_port);
hash = ip_vs_conn_hashkey(p->af, p->protocol, p->caddr, p->cport);
ct_read_lock(hash);
list_for_each_entry(cp, &ip_vs_conn_tab[hash], c_list) {
if (cp->af == af &&
ip_vs_addr_equal(af, s_addr, &cp->caddr) &&
if (cp->af == p->af &&
ip_vs_addr_equal(p->af, p->caddr, &cp->caddr) &&
/* protocol should only be IPPROTO_IP if
* d_addr is a fwmark */
ip_vs_addr_equal(protocol == IPPROTO_IP ? AF_UNSPEC : af,
d_addr, &cp->vaddr) &&
s_port == cp->cport && d_port == cp->vport &&
* p->vaddr is a fwmark */
ip_vs_addr_equal(p->protocol == IPPROTO_IP ? AF_UNSPEC :
p->af, p->vaddr, &cp->vaddr) &&
p->cport == cp->cport && p->vport == cp->vport &&
cp->flags & IP_VS_CONN_F_TEMPLATE &&
protocol == cp->protocol) {
p->protocol == cp->protocol) {
/* HIT */
atomic_inc(&cp->refcnt);
goto out;
@ -327,23 +337,19 @@ struct ip_vs_conn *ip_vs_ct_in_get
ct_read_unlock(hash);
IP_VS_DBG_BUF(9, "template lookup/in %s %s:%d->%s:%d %s\n",
ip_vs_proto_name(protocol),
IP_VS_DBG_ADDR(af, s_addr), ntohs(s_port),
IP_VS_DBG_ADDR(af, d_addr), ntohs(d_port),
ip_vs_proto_name(p->protocol),
IP_VS_DBG_ADDR(p->af, p->caddr), ntohs(p->cport),
IP_VS_DBG_ADDR(p->af, p->vaddr), ntohs(p->vport),
cp ? "hit" : "not hit");
return cp;
}
/*
* Gets ip_vs_conn associated with supplied parameters in the ip_vs_conn_tab.
* Called for pkts coming from inside-to-OUTside.
* s_addr, s_port: pkt source address (inside host)
* d_addr, d_port: pkt dest address (foreign host)
*/
struct ip_vs_conn *ip_vs_conn_out_get
(int af, int protocol, const union nf_inet_addr *s_addr, __be16 s_port,
const union nf_inet_addr *d_addr, __be16 d_port)
/* Gets ip_vs_conn associated with supplied parameters in the ip_vs_conn_tab.
* Called for pkts coming from inside-to-OUTside.
* p->caddr, p->cport: pkt source address (inside host)
* p->vaddr, p->vport: pkt dest address (foreign host) */
struct ip_vs_conn *ip_vs_conn_out_get(const struct ip_vs_conn_param *p)
{
unsigned hash;
struct ip_vs_conn *cp, *ret=NULL;
@ -351,16 +357,16 @@ struct ip_vs_conn *ip_vs_conn_out_get
/*
* Check for "full" addressed entries
*/
hash = ip_vs_conn_hashkey(af, protocol, d_addr, d_port);
hash = ip_vs_conn_hashkey(p->af, p->protocol, p->vaddr, p->vport);
ct_read_lock(hash);
list_for_each_entry(cp, &ip_vs_conn_tab[hash], c_list) {
if (cp->af == af &&
ip_vs_addr_equal(af, d_addr, &cp->caddr) &&
ip_vs_addr_equal(af, s_addr, &cp->daddr) &&
d_port == cp->cport && s_port == cp->dport &&
protocol == cp->protocol) {
if (cp->af == p->af &&
ip_vs_addr_equal(p->af, p->vaddr, &cp->caddr) &&
ip_vs_addr_equal(p->af, p->caddr, &cp->daddr) &&
p->vport == cp->cport && p->cport == cp->dport &&
p->protocol == cp->protocol) {
/* HIT */
atomic_inc(&cp->refcnt);
ret = cp;
@ -371,9 +377,9 @@ struct ip_vs_conn *ip_vs_conn_out_get
ct_read_unlock(hash);
IP_VS_DBG_BUF(9, "lookup/out %s %s:%d->%s:%d %s\n",
ip_vs_proto_name(protocol),
IP_VS_DBG_ADDR(af, s_addr), ntohs(s_port),
IP_VS_DBG_ADDR(af, d_addr), ntohs(d_port),
ip_vs_proto_name(p->protocol),
IP_VS_DBG_ADDR(p->af, p->caddr), ntohs(p->cport),
IP_VS_DBG_ADDR(p->af, p->vaddr), ntohs(p->vport),
ret ? "hit" : "not hit");
return ret;
@ -385,20 +391,12 @@ ip_vs_conn_out_get_proto(int af, const struct sk_buff *skb,
const struct ip_vs_iphdr *iph,
unsigned int proto_off, int inverse)
{
__be16 _ports[2], *pptr;
struct ip_vs_conn_param p;
pptr = skb_header_pointer(skb, proto_off, sizeof(_ports), _ports);
if (pptr == NULL)
if (ip_vs_conn_fill_param_proto(af, skb, iph, proto_off, inverse, &p))
return NULL;
if (likely(!inverse))
return ip_vs_conn_out_get(af, iph->protocol,
&iph->saddr, pptr[0],
&iph->daddr, pptr[1]);
else
return ip_vs_conn_out_get(af, iph->protocol,
&iph->daddr, pptr[1],
&iph->saddr, pptr[0]);
return ip_vs_conn_out_get(&p);
}
EXPORT_SYMBOL_GPL(ip_vs_conn_out_get_proto);
@ -758,13 +756,12 @@ void ip_vs_conn_expire_now(struct ip_vs_conn *cp)
* Create a new connection entry and hash it into the ip_vs_conn_tab
*/
struct ip_vs_conn *
ip_vs_conn_new(int af, int proto, const union nf_inet_addr *caddr, __be16 cport,
const union nf_inet_addr *vaddr, __be16 vport,
ip_vs_conn_new(const struct ip_vs_conn_param *p,
const union nf_inet_addr *daddr, __be16 dport, unsigned flags,
struct ip_vs_dest *dest)
{
struct ip_vs_conn *cp;
struct ip_vs_protocol *pp = ip_vs_proto_get(proto);
struct ip_vs_protocol *pp = ip_vs_proto_get(p->protocol);
cp = kmem_cache_zalloc(ip_vs_conn_cachep, GFP_ATOMIC);
if (cp == NULL) {
@ -774,14 +771,14 @@ ip_vs_conn_new(int af, int proto, const union nf_inet_addr *caddr, __be16 cport,
INIT_LIST_HEAD(&cp->c_list);
setup_timer(&cp->timer, ip_vs_conn_expire, (unsigned long)cp);
cp->af = af;
cp->protocol = proto;
ip_vs_addr_copy(af, &cp->caddr, caddr);
cp->cport = cport;
ip_vs_addr_copy(af, &cp->vaddr, vaddr);
cp->vport = vport;
cp->af = p->af;
cp->protocol = p->protocol;
ip_vs_addr_copy(p->af, &cp->caddr, p->caddr);
cp->cport = p->cport;
ip_vs_addr_copy(p->af, &cp->vaddr, p->vaddr);
cp->vport = p->vport;
/* proto should only be IPPROTO_IP if d_addr is a fwmark */
ip_vs_addr_copy(proto == IPPROTO_IP ? AF_UNSPEC : af,
ip_vs_addr_copy(p->protocol == IPPROTO_IP ? AF_UNSPEC : p->af,
&cp->daddr, daddr);
cp->dport = dport;
cp->flags = flags;
@ -810,7 +807,7 @@ ip_vs_conn_new(int af, int proto, const union nf_inet_addr *caddr, __be16 cport,
/* Bind its packet transmitter */
#ifdef CONFIG_IP_VS_IPV6
if (af == AF_INET6)
if (p->af == AF_INET6)
ip_vs_bind_xmit_v6(cp);
else
#endif

64
net/netfilter/ipvs/ip_vs_core.c
View File

@ -193,14 +193,11 @@ ip_vs_sched_persist(struct ip_vs_service *svc,
struct ip_vs_iphdr iph;
struct ip_vs_dest *dest;
struct ip_vs_conn *ct;
int protocol = iph.protocol;
__be16 dport = 0; /* destination port to forward */
__be16 vport = 0; /* virtual service port */
unsigned int flags;
struct ip_vs_conn_param param;
union nf_inet_addr snet; /* source network of the client,
after masking */
const union nf_inet_addr fwmark = { .ip = htonl(svc->fwmark) };
const union nf_inet_addr *vaddr = &iph.daddr;
ip_vs_fill_iphdr(svc->af, skb_network_header(skb), &iph);
@ -232,6 +229,11 @@ ip_vs_sched_persist(struct ip_vs_service *svc,
* is created for other persistent services.
*/
{
int protocol = iph.protocol;
const union nf_inet_addr *vaddr = &iph.daddr;
const union nf_inet_addr fwmark = { .ip = htonl(svc->fwmark) };
__be16 vport = 0;
if (ports[1] == svc->port) {
/* non-FTP template:
* <protocol, caddr, 0, vaddr, vport, daddr, dport>
@ -253,11 +255,12 @@ ip_vs_sched_persist(struct ip_vs_service *svc,
vaddr = &fwmark;
}
}
ip_vs_conn_fill_param(svc->af, protocol, &snet, 0,
vaddr, vport, &param);
}
/* Check if a template already exists */
ct = ip_vs_ct_in_get(svc->af, protocol, &snet, 0, vaddr, vport);
ct = ip_vs_ct_in_get(&param);
if (!ct || !ip_vs_check_template(ct)) {
/* No template found or the dest of the connection
* template is not available.
@ -272,8 +275,7 @@ ip_vs_sched_persist(struct ip_vs_service *svc,
dport = dest->port;
/* Create a template */
ct = ip_vs_conn_new(svc->af, protocol, &snet, 0,vaddr, vport,
&dest->addr, dport,
ct = ip_vs_conn_new(&param, &dest->addr, dport,
IP_VS_CONN_F_TEMPLATE, dest);
if (ct == NULL)
return NULL;
@ -294,12 +296,9 @@ ip_vs_sched_persist(struct ip_vs_service *svc,
/*
* Create a new connection according to the template
*/
cp = ip_vs_conn_new(svc->af, iph.protocol,
&iph.saddr, ports[0],
&iph.daddr, ports[1],
&dest->addr, dport,
flags,
dest);
ip_vs_conn_fill_param(svc->af, iph.protocol, &iph.saddr, ports[0],
&iph.daddr, ports[1], &param);
cp = ip_vs_conn_new(&param, &dest->addr, dport, flags, dest);
if (cp == NULL) {
ip_vs_conn_put(ct);
return NULL;
@ -366,14 +365,16 @@ ip_vs_schedule(struct ip_vs_service *svc, const struct sk_buff *skb)
/*
* Create a connection entry.
*/
cp = ip_vs_conn_new(svc->af, iph.protocol,
&iph.saddr, pptr[0],
&iph.daddr, pptr[1],
&dest->addr, dest->port ? dest->port : pptr[1],
flags,
dest);
if (cp == NULL)
return NULL;
{
struct ip_vs_conn_param p;
ip_vs_conn_fill_param(svc->af, iph.protocol, &iph.saddr,
pptr[0], &iph.daddr, pptr[1], &p);
cp = ip_vs_conn_new(&p, &dest->addr,
dest->port ? dest->port : pptr[1],
flags, dest);
if (!cp)
return NULL;
}
IP_VS_DBG_BUF(6, "Schedule fwd:%c c:%s:%u v:%s:%u "
"d:%s:%u conn->flags:%X conn->refcnt:%d\n",
@ -429,14 +430,17 @@ int ip_vs_leave(struct ip_vs_service *svc, struct sk_buff *skb,
/* create a new connection entry */
IP_VS_DBG(6, "%s(): create a cache_bypass entry\n", __func__);
cp = ip_vs_conn_new(svc->af, iph.protocol,
&iph.saddr, pptr[0],
&iph.daddr, pptr[1],
&daddr, 0,
IP_VS_CONN_F_BYPASS | flags,
NULL);
if (cp == NULL)
return NF_DROP;
{
struct ip_vs_conn_param p;
ip_vs_conn_fill_param(svc->af, iph.protocol,
&iph.saddr, pptr[0],
&iph.daddr, pptr[1], &p);
cp = ip_vs_conn_new(&p, &daddr, 0,
IP_VS_CONN_F_BYPASS | flags,
NULL);
if (!cp)
return NF_DROP;
}
/* statistics */
ip_vs_in_stats(cp, skb);

43
net/netfilter/ipvs/ip_vs_ftp.c
View File

@ -195,13 +195,17 @@ static int ip_vs_ftp_out(struct ip_vs_app *app, struct ip_vs_conn *cp,
/*
* Now update or create an connection entry for it
*/
n_cp = ip_vs_conn_out_get(AF_INET, iph->protocol, &from, port,
&cp->caddr, 0);
{
struct ip_vs_conn_param p;
ip_vs_conn_fill_param(AF_INET, iph->protocol,
&from, port, &cp->caddr, 0, &p);
n_cp = ip_vs_conn_out_get(&p);
}
if (!n_cp) {
n_cp = ip_vs_conn_new(AF_INET, IPPROTO_TCP,
&cp->caddr, 0,
&cp->vaddr, port,
&from, port,
struct ip_vs_conn_param p;
ip_vs_conn_fill_param(AF_INET, IPPROTO_TCP, &cp->caddr,
0, &cp->vaddr, port, &p);
n_cp = ip_vs_conn_new(&p, &from, port,
IP_VS_CONN_F_NO_CPORT |
IP_VS_CONN_F_NFCT,
cp->dest);
@ -347,21 +351,22 @@ static int ip_vs_ftp_in(struct ip_vs_app *app, struct ip_vs_conn *cp,
ip_vs_proto_name(iph->protocol),
&to.ip, ntohs(port), &cp->vaddr.ip, 0);
n_cp = ip_vs_conn_in_get(AF_INET, iph->protocol,
&to, port,
&cp->vaddr, htons(ntohs(cp->vport)-1));
if (!n_cp) {
n_cp = ip_vs_conn_new(AF_INET, IPPROTO_TCP,
&to, port,
{
struct ip_vs_conn_param p;
ip_vs_conn_fill_param(AF_INET, iph->protocol, &to, port,
&cp->vaddr, htons(ntohs(cp->vport)-1),
&cp->daddr, htons(ntohs(cp->dport)-1),
IP_VS_CONN_F_NFCT,
cp->dest);
if (!n_cp)
return 0;
&p);
n_cp = ip_vs_conn_in_get(&p);
if (!n_cp) {
n_cp = ip_vs_conn_new(&p, &cp->daddr,
htons(ntohs(cp->dport)-1),
IP_VS_CONN_F_NFCT, cp->dest);
if (!n_cp)
return 0;
/* add its controller */
ip_vs_control_add(n_cp, cp);
/* add its controller */
ip_vs_control_add(n_cp, cp);
}
}
/*

12
net/netfilter/ipvs/ip_vs_nfct.c
View File

@ -140,6 +140,7 @@ static void ip_vs_nfct_expect_callback(struct nf_conn *ct,
{
struct nf_conntrack_tuple *orig, new_reply;
struct ip_vs_conn *cp;
struct ip_vs_conn_param p;
if (exp->tuple.src.l3num != PF_INET)
return;
@ -154,9 +155,10 @@ static void ip_vs_nfct_expect_callback(struct nf_conn *ct,
/* RS->CLIENT */
orig = &ct->tuplehash[IP_CT_DIR_ORIGINAL].tuple;
cp = ip_vs_conn_out_get(exp->tuple.src.l3num, orig->dst.protonum,
&orig->src.u3, orig->src.u.tcp.port,
&orig->dst.u3, orig->dst.u.tcp.port);
ip_vs_conn_fill_param(exp->tuple.src.l3num, orig->dst.protonum,
&orig->src.u3, orig->src.u.tcp.port,
&orig->dst.u3, orig->dst.u.tcp.port, &p);
cp = ip_vs_conn_out_get(&p);
if (cp) {
/* Change reply CLIENT->RS to CLIENT->VS */
new_reply = ct->tuplehash[IP_CT_DIR_REPLY].tuple;
@ -176,9 +178,7 @@ static void ip_vs_nfct_expect_callback(struct nf_conn *ct,
}
/* CLIENT->VS */
cp = ip_vs_conn_in_get(exp->tuple.src.l3num, orig->dst.protonum,
&orig->src.u3, orig->src.u.tcp.port,
&orig->dst.u3, orig->dst.u.tcp.port);
cp = ip_vs_conn_in_get(&p);
if (cp) {
/* Change reply VS->CLIENT to RS->CLIENT */
new_reply = ct->tuplehash[IP_CT_DIR_REPLY].tuple;

47
net/netfilter/ipvs/ip_vs_proto_ah_esp.c
View File

@ -40,6 +40,19 @@ struct isakmp_hdr {
#define PORT_ISAKMP 500
static void
ah_esp_conn_fill_param_proto(int af, const struct ip_vs_iphdr *iph,
int inverse, struct ip_vs_conn_param *p)
{
if (likely(!inverse))
ip_vs_conn_fill_param(af, IPPROTO_UDP,
&iph->saddr, htons(PORT_ISAKMP),
&iph->daddr, htons(PORT_ISAKMP), p);
else
ip_vs_conn_fill_param(af, IPPROTO_UDP,
&iph->daddr, htons(PORT_ISAKMP),
&iph->saddr, htons(PORT_ISAKMP), p);
}
static struct ip_vs_conn *
ah_esp_conn_in_get(int af, const struct sk_buff *skb, struct ip_vs_protocol *pp,
@ -47,21 +60,10 @@ ah_esp_conn_in_get(int af, const struct sk_buff *skb, struct ip_vs_protocol *pp,
int inverse)
{
struct ip_vs_conn *cp;
struct ip_vs_conn_param p;
if (likely(!inverse)) {
cp = ip_vs_conn_in_get(af, IPPROTO_UDP,
&iph->saddr,
htons(PORT_ISAKMP),
&iph->daddr,
htons(PORT_ISAKMP));
} else {
cp = ip_vs_conn_in_get(af, IPPROTO_UDP,
&iph->daddr,
htons(PORT_ISAKMP),
&iph->saddr,
htons(PORT_ISAKMP));
}
ah_esp_conn_fill_param_proto(af, iph, inverse, &p);
cp = ip_vs_conn_in_get(&p);
if (!cp) {
/*
* We are not sure if the packet is from our
@ -87,21 +89,10 @@ ah_esp_conn_out_get(int af, const struct sk_buff *skb,
int inverse)
{
struct ip_vs_conn *cp;
struct ip_vs_conn_param p;
if (likely(!inverse)) {
cp = ip_vs_conn_out_get(af, IPPROTO_UDP,
&iph->saddr,
htons(PORT_ISAKMP),
&iph->daddr,
htons(PORT_ISAKMP));
} else {
cp = ip_vs_conn_out_get(af, IPPROTO_UDP,
&iph->daddr,
htons(PORT_ISAKMP),
&iph->saddr,
htons(PORT_ISAKMP));
}
ah_esp_conn_fill_param_proto(af, iph, inverse, &p);
cp = ip_vs_conn_out_get(&p);
if (!cp) {
IP_VS_DBG_BUF(12, "Unknown ISAKMP entry for inout packet "
"%s%s %s->%s\n",

33
net/netfilter/ipvs/ip_vs_sync.c
View File

@ -301,6 +301,7 @@ static void ip_vs_process_message(const char *buffer, const size_t buflen)
struct ip_vs_conn *cp;
struct ip_vs_protocol *pp;
struct ip_vs_dest *dest;
struct ip_vs_conn_param param;
char *p;
int i;
@ -370,18 +371,17 @@ static void ip_vs_process_message(const char *buffer, const size_t buflen)
}
}
if (!(flags & IP_VS_CONN_F_TEMPLATE))
cp = ip_vs_conn_in_get(AF_INET, s->protocol,
(union nf_inet_addr *)&s->caddr,
s->cport,
(union nf_inet_addr *)&s->vaddr,
s->vport);
else
cp = ip_vs_ct_in_get(AF_INET, s->protocol,
(union nf_inet_addr *)&s->caddr,
s->cport,
(union nf_inet_addr *)&s->vaddr,
s->vport);
{
ip_vs_conn_fill_param(AF_INET, s->protocol,
(union nf_inet_addr *)&s->caddr,
s->cport,
(union nf_inet_addr *)&s->vaddr,
s->vport, &param);
if (!(flags & IP_VS_CONN_F_TEMPLATE))
cp = ip_vs_conn_in_get(&param);
else
cp = ip_vs_ct_in_get(&param);
}
if (!cp) {
/*
* Find the appropriate destination for the connection.
@ -406,14 +406,9 @@ static void ip_vs_process_message(const char *buffer, const size_t buflen)
else
flags &= ~IP_VS_CONN_F_INACTIVE;
}
cp = ip_vs_conn_new(AF_INET, s->protocol,
(union nf_inet_addr *)&s->caddr,
s->cport,
(union nf_inet_addr *)&s->vaddr,
s->vport,
cp = ip_vs_conn_new(&param,
(union nf_inet_addr *)&s->daddr,
s->dport,
flags, dest);
s->dport, flags, dest);
if (dest)
atomic_dec(&dest->refcnt);
if (!cp) {