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Merge branch 'net-next-2.6-misc-20080612a' of git://git.linux-ipv6.org/gitroot/yoshfuji/linux-2.6-next

Browse source
This commit is contained in:
David S. Miller 2008-06-11 22:33:59 -07:00
commit e6e30add6b
13 changed files with 451 additions and 744 deletions
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3
include/net/addrconf.h
View file

@ -121,7 +121,8 @@ static inline int addrconf_finite_timeout(unsigned long timeout)
*/
extern int ipv6_addr_label_init(void);
extern void ipv6_addr_label_rtnl_register(void);
extern u32 ipv6_addr_label(const struct in6_addr *addr,
extern u32 ipv6_addr_label(struct net *net,
const struct in6_addr *addr,
int type, int ifindex);
/*

1
include/net/if_inet6.h
View file

@ -148,7 +148,6 @@ struct ifacaddr6
#define IFA_HOST IPV6_ADDR_LOOPBACK
#define IFA_LINK IPV6_ADDR_LINKLOCAL
#define IFA_SITE IPV6_ADDR_SITELOCAL
#define IFA_GLOBAL 0x0000U
struct ipv6_devstat {
struct proc_dir_entry *proc_dir_entry;

21
include/net/tcp.h
View file

@ -399,6 +399,8 @@ extern void tcp_parse_options(struct sk_buff *skb,
struct tcp_options_received *opt_rx,
int estab);
extern u8 *tcp_parse_md5sig_option(struct tcphdr *th);
/*
* TCP v4 functions exported for the inet6 API
*/
@ -1115,13 +1117,19 @@ struct tcp_md5sig_pool {
#define TCP_MD5SIG_MAXKEYS (~(u32)0) /* really?! */
/* - functions */
extern int tcp_calc_md5_hash(char *md5_hash,
struct tcp_md5sig_key *key,
int bplen,
struct tcphdr *th,
unsigned int tcplen,
struct tcp_md5sig_pool *hp);
extern int tcp_v4_calc_md5_hash(char *md5_hash,
struct tcp_md5sig_key *key,
struct sock *sk,
struct dst_entry *dst,
struct request_sock *req,
struct tcphdr *th,
int protocol,
unsigned int tcplen);
extern struct tcp_md5sig_key *tcp_v4_md5_lookup(struct sock *sk,
struct sock *addr_sk);
@ -1134,6 +1142,16 @@ extern int tcp_v4_md5_do_add(struct sock *sk,
extern int tcp_v4_md5_do_del(struct sock *sk,
__be32 addr);
#ifdef CONFIG_TCP_MD5SIG
#define tcp_twsk_md5_key(twsk) ((twsk)->tw_md5_keylen ? \
&(struct tcp_md5sig_key) { \
.key = (twsk)->tw_md5_key, \
.keylen = (twsk)->tw_md5_keylen, \
} : NULL)
#else
#define tcp_twsk_md5_key(twsk) NULL
#endif
extern struct tcp_md5sig_pool **tcp_alloc_md5sig_pool(void);
extern void tcp_free_md5sig_pool(void);
@ -1371,7 +1389,6 @@ struct tcp_sock_af_ops {
struct dst_entry *dst,
struct request_sock *req,
struct tcphdr *th,
int protocol,
unsigned int len);
int (*md5_add) (struct sock *sk,
struct sock *addr_sk,

70
net/ipv4/tcp.c
View file

@ -2457,6 +2457,76 @@ static unsigned long tcp_md5sig_users;
static struct tcp_md5sig_pool **tcp_md5sig_pool;
static DEFINE_SPINLOCK(tcp_md5sig_pool_lock);
int tcp_calc_md5_hash(char *md5_hash, struct tcp_md5sig_key *key,
int bplen,
struct tcphdr *th, unsigned int tcplen,
struct tcp_md5sig_pool *hp)
{
struct scatterlist sg[4];
__u16 data_len;
int block = 0;
__sum16 cksum;
struct hash_desc *desc = &hp->md5_desc;
int err;
unsigned int nbytes = 0;
sg_init_table(sg, 4);
/* 1. The TCP pseudo-header */
sg_set_buf(&sg[block++], &hp->md5_blk, bplen);
nbytes += bplen;
/* 2. The TCP header, excluding options, and assuming a
* checksum of zero
*/
cksum = th->check;
th->check = 0;
sg_set_buf(&sg[block++], th, sizeof(*th));
nbytes += sizeof(*th);
/* 3. The TCP segment data (if any) */
data_len = tcplen - (th->doff << 2);
if (data_len > 0) {
u8 *data = (u8 *)th + (th->doff << 2);
sg_set_buf(&sg[block++], data, data_len);
nbytes += data_len;
}
/* 4. an independently-specified key or password, known to both
* TCPs and presumably connection-specific
*/
sg_set_buf(&sg[block++], key->key, key->keylen);
nbytes += key->keylen;
sg_mark_end(&sg[block - 1]);
/* Now store the hash into the packet */
err = crypto_hash_init(desc);
if (err) {
if (net_ratelimit())
printk(KERN_WARNING "%s(): hash_init failed\n", __func__);
return -1;
}
err = crypto_hash_update(desc, sg, nbytes);
if (err) {
if (net_ratelimit())
printk(KERN_WARNING "%s(): hash_update failed\n", __func__);
return -1;
}
err = crypto_hash_final(desc, md5_hash);
if (err) {
if (net_ratelimit())
printk(KERN_WARNING "%s(): hash_final failed\n", __func__);
return -1;
}
/* Reset header */
th->check = cksum;
return 0;
}
EXPORT_SYMBOL(tcp_calc_md5_hash);
static void __tcp_free_md5sig_pool(struct tcp_md5sig_pool **pool)
{
int cpu;

40
net/ipv4/tcp_input.c
View file

@ -3448,6 +3448,43 @@ static int tcp_fast_parse_options(struct sk_buff *skb, struct tcphdr *th,
return 1;
}
#ifdef CONFIG_TCP_MD5SIG
/*
* Parse MD5 Signature option
*/
u8 *tcp_parse_md5sig_option(struct tcphdr *th)
{
int length = (th->doff << 2) - sizeof (*th);
u8 *ptr = (u8*)(th + 1);
/* If the TCP option is too short, we can short cut */
if (length < TCPOLEN_MD5SIG)
return NULL;
while (length > 0) {
int opcode = *ptr++;
int opsize;
switch(opcode) {
case TCPOPT_EOL:
return NULL;
case TCPOPT_NOP:
length--;
continue;
default:
opsize = *ptr++;
if (opsize < 2 || opsize > length)
return NULL;
if (opcode == TCPOPT_MD5SIG)
return ptr;
}
ptr += opsize - 2;
length -= opsize;
}
return NULL;
}
#endif
static inline void tcp_store_ts_recent(struct tcp_sock *tp)
{
tp->rx_opt.ts_recent = tp->rx_opt.rcv_tsval;
@ -5465,6 +5502,9 @@ EXPORT_SYMBOL(sysctl_tcp_ecn);
EXPORT_SYMBOL(sysctl_tcp_reordering);
EXPORT_SYMBOL(sysctl_tcp_adv_win_scale);
EXPORT_SYMBOL(tcp_parse_options);
#ifdef CONFIG_TCP_MD5SIG
EXPORT_SYMBOL(tcp_parse_md5sig_option);
#endif
EXPORT_SYMBOL(tcp_rcv_established);
EXPORT_SYMBOL(tcp_rcv_state_process);
EXPORT_SYMBOL(tcp_initialize_rcv_mss);

164
net/ipv4/tcp_ipv4.c
View file

@ -93,8 +93,13 @@ static struct tcp_md5sig_key *tcp_v4_md5_do_lookup(struct sock *sk,
__be32 addr);
static int tcp_v4_do_calc_md5_hash(char *md5_hash, struct tcp_md5sig_key *key,
__be32 saddr, __be32 daddr,
struct tcphdr *th, int protocol,
unsigned int tcplen);
struct tcphdr *th, unsigned int tcplen);
#else
static inline
struct tcp_md5sig_key *tcp_v4_md5_do_lookup(struct sock *sk, __be32 addr)
{
return NULL;
}
#endif
struct inet_hashinfo __cacheline_aligned tcp_hashinfo = {
@ -584,8 +589,7 @@ static void tcp_v4_send_reset(struct sock *sk, struct sk_buff *skb)
key,
ip_hdr(skb)->daddr,
ip_hdr(skb)->saddr,
&rep.th, IPPROTO_TCP,
arg.iov[0].iov_len);
&rep.th, arg.iov[0].iov_len);
}
#endif
arg.csum = csum_tcpudp_nofold(ip_hdr(skb)->daddr,
@ -604,9 +608,9 @@ static void tcp_v4_send_reset(struct sock *sk, struct sk_buff *skb)
outside socket context is ugly, certainly. What can I do?
*/
static void tcp_v4_send_ack(struct tcp_timewait_sock *twsk,
struct sk_buff *skb, u32 seq, u32 ack,
u32 win, u32 ts)
static void tcp_v4_send_ack(struct sk_buff *skb, u32 seq, u32 ack,
u32 win, u32 ts, int oif,
struct tcp_md5sig_key *key)
{
struct tcphdr *th = tcp_hdr(skb);
struct {
@ -618,10 +622,6 @@ static void tcp_v4_send_ack(struct tcp_timewait_sock *twsk,
];
} rep;
struct ip_reply_arg arg;
#ifdef CONFIG_TCP_MD5SIG
struct tcp_md5sig_key *key;
struct tcp_md5sig_key tw_key;
#endif
memset(&rep.th, 0, sizeof(struct tcphdr));
memset(&arg, 0, sizeof(arg));
@ -647,23 +647,6 @@ static void tcp_v4_send_ack(struct tcp_timewait_sock *twsk,
rep.th.window = htons(win);
#ifdef CONFIG_TCP_MD5SIG
/*
* The SKB holds an imcoming packet, but may not have a valid ->sk
* pointer. This is especially the case when we're dealing with a
* TIME_WAIT ack, because the sk structure is long gone, and only
* the tcp_timewait_sock remains. So the md5 key is stashed in that
* structure, and we use it in preference. I believe that (twsk ||
* skb->sk) holds true, but we program defensively.
*/
if (!twsk && skb->sk) {
key = tcp_v4_md5_do_lookup(skb->sk, ip_hdr(skb)->daddr);
} else if (twsk && twsk->tw_md5_keylen) {
tw_key.key = twsk->tw_md5_key;
tw_key.keylen = twsk->tw_md5_keylen;
key = &tw_key;
} else
key = NULL;
if (key) {
int offset = (ts) ? 3 : 0;
@ -678,16 +661,15 @@ static void tcp_v4_send_ack(struct tcp_timewait_sock *twsk,
key,
ip_hdr(skb)->daddr,
ip_hdr(skb)->saddr,
&rep.th, IPPROTO_TCP,
arg.iov[0].iov_len);
&rep.th, arg.iov[0].iov_len);
}
#endif
arg.csum = csum_tcpudp_nofold(ip_hdr(skb)->daddr,
ip_hdr(skb)->saddr, /* XXX */
arg.iov[0].iov_len, IPPROTO_TCP, 0);
arg.csumoffset = offsetof(struct tcphdr, check) / 2;
if (twsk)
arg.bound_dev_if = twsk->tw_sk.tw_bound_dev_if;
if (oif)
arg.bound_dev_if = oif;
ip_send_reply(dev_net(skb->dev)->ipv4.tcp_sock, skb,
&arg, arg.iov[0].iov_len);
@ -700,9 +682,12 @@ static void tcp_v4_timewait_ack(struct sock *sk, struct sk_buff *skb)
struct inet_timewait_sock *tw = inet_twsk(sk);
struct tcp_timewait_sock *tcptw = tcp_twsk(sk);
tcp_v4_send_ack(tcptw, skb, tcptw->tw_snd_nxt, tcptw->tw_rcv_nxt,
tcp_v4_send_ack(skb, tcptw->tw_snd_nxt, tcptw->tw_rcv_nxt,
tcptw->tw_rcv_wnd >> tw->tw_rcv_wscale,
tcptw->tw_ts_recent);
tcptw->tw_ts_recent,
tw->tw_bound_dev_if,
tcp_twsk_md5_key(tcptw)
);
inet_twsk_put(tw);
}
@ -710,9 +695,11 @@ static void tcp_v4_timewait_ack(struct sock *sk, struct sk_buff *skb)
static void tcp_v4_reqsk_send_ack(struct sk_buff *skb,
struct request_sock *req)
{
tcp_v4_send_ack(NULL, skb, tcp_rsk(req)->snt_isn + 1,
tcp_v4_send_ack(skb, tcp_rsk(req)->snt_isn + 1,
tcp_rsk(req)->rcv_isn + 1, req->rcv_wnd,
req->ts_recent);
req->ts_recent,
0,
tcp_v4_md5_do_lookup(skb->sk, ip_hdr(skb)->daddr));
}
/*
@ -1004,18 +991,12 @@ static int tcp_v4_parse_md5_keys(struct sock *sk, char __user *optval,
static int tcp_v4_do_calc_md5_hash(char *md5_hash, struct tcp_md5sig_key *key,
__be32 saddr, __be32 daddr,
struct tcphdr *th, int protocol,
struct tcphdr *th,
unsigned int tcplen)
{
struct scatterlist sg[4];
__u16 data_len;
int block = 0;
__sum16 old_checksum;
struct tcp_md5sig_pool *hp;
struct tcp4_pseudohdr *bp;
struct hash_desc *desc;
int err;
unsigned int nbytes = 0;
/*
* Okay, so RFC2385 is turned on for this connection,
@ -1027,63 +1008,25 @@ static int tcp_v4_do_calc_md5_hash(char *md5_hash, struct tcp_md5sig_key *key,
goto clear_hash_noput;
bp = &hp->md5_blk.ip4;
desc = &hp->md5_desc;
/*
* 1. the TCP pseudo-header (in the order: source IP address,
* The TCP pseudo-header (in the order: source IP address,
* destination IP address, zero-padded protocol number, and
* segment length)
*/
bp->saddr = saddr;
bp->daddr = daddr;
bp->pad = 0;
bp->protocol = protocol;
bp->protocol = IPPROTO_TCP;
bp->len = htons(tcplen);
sg_init_table(sg, 4);
sg_set_buf(&sg[block++], bp, sizeof(*bp));
nbytes += sizeof(*bp);
/* 2. the TCP header, excluding options, and assuming a
* checksum of zero/
*/
old_checksum = th->check;
th->check = 0;
sg_set_buf(&sg[block++], th, sizeof(struct tcphdr));
nbytes += sizeof(struct tcphdr);
/* 3. the TCP segment data (if any) */
data_len = tcplen - (th->doff << 2);
if (data_len > 0) {
unsigned char *data = (unsigned char *)th + (th->doff << 2);
sg_set_buf(&sg[block++], data, data_len);
nbytes += data_len;
}
/* 4. an independently-specified key or password, known to both
* TCPs and presumably connection-specific
*/
sg_set_buf(&sg[block++], key->key, key->keylen);
nbytes += key->keylen;
sg_mark_end(&sg[block - 1]);
/* Now store the Hash into the packet */
err = crypto_hash_init(desc);
if (err)
goto clear_hash;
err = crypto_hash_update(desc, sg, nbytes);
if (err)
goto clear_hash;
err = crypto_hash_final(desc, md5_hash);
err = tcp_calc_md5_hash(md5_hash, key, sizeof(*bp),
th, tcplen, hp);
if (err)
goto clear_hash;
/* Reset header, and free up the crypto */
/* Free up the crypto pool */
tcp_put_md5sig_pool();
th->check = old_checksum;
out:
return 0;
clear_hash:
@ -1097,7 +1040,7 @@ int tcp_v4_calc_md5_hash(char *md5_hash, struct tcp_md5sig_key *key,
struct sock *sk,
struct dst_entry *dst,
struct request_sock *req,
struct tcphdr *th, int protocol,
struct tcphdr *th,
unsigned int tcplen)
{
__be32 saddr, daddr;
@ -1113,7 +1056,7 @@ int tcp_v4_calc_md5_hash(char *md5_hash, struct tcp_md5sig_key *key,
}
return tcp_v4_do_calc_md5_hash(md5_hash, key,
saddr, daddr,
th, protocol, tcplen);
th, tcplen);
}
EXPORT_SYMBOL(tcp_v4_calc_md5_hash);
@ -1132,52 +1075,12 @@ static int tcp_v4_inbound_md5_hash(struct sock *sk, struct sk_buff *skb)
struct tcp_md5sig_key *hash_expected;
const struct iphdr *iph = ip_hdr(skb);
struct tcphdr *th = tcp_hdr(skb);
int length = (th->doff << 2) - sizeof(struct tcphdr);
int genhash;
unsigned char *ptr;
unsigned char newhash[16];
hash_expected = tcp_v4_md5_do_lookup(sk, iph->saddr);
hash_location = tcp_parse_md5sig_option(th);
/*
* If the TCP option length is less than the TCP_MD5SIG
* option length, then we can shortcut
*/
if (length < TCPOLEN_MD5SIG) {
if (hash_expected)
return 1;
else
return 0;
}
/* Okay, we can't shortcut - we have to grub through the options */
ptr = (unsigned char *)(th + 1);
while (length > 0) {
int opcode = *ptr++;
int opsize;
switch (opcode) {
case TCPOPT_EOL:
goto done_opts;
case TCPOPT_NOP:
length--;
continue;
default:
opsize = *ptr++;
if (opsize < 2)
goto done_opts;
if (opsize > length)
goto done_opts;
if (opcode == TCPOPT_MD5SIG) {
hash_location = ptr;
goto done_opts;
}
}
ptr += opsize-2;
length -= opsize;
}
done_opts:
/* We've parsed the options - do we have a hash? */
if (!hash_expected && !hash_location)
return 0;
@ -1204,8 +1107,7 @@ static int tcp_v4_inbound_md5_hash(struct sock *sk, struct sk_buff *skb)
genhash = tcp_v4_do_calc_md5_hash(newhash,
hash_expected,
iph->saddr, iph->daddr,
th, sk->sk_protocol,
skb->len);
th, skb->len);
if (genhash || memcmp(hash_location, newhash, 16) != 0) {
if (net_ratelimit()) {

3
net/ipv4/tcp_output.c
View file

@ -605,7 +605,6 @@ static int tcp_transmit_skb(struct sock *sk, struct sk_buff *skb, int clone_it,
md5,
sk, NULL, NULL,
tcp_hdr(skb),
sk->sk_protocol,
skb->len);
}
#endif
@ -2264,7 +2263,7 @@ struct sk_buff *tcp_make_synack(struct sock *sk, struct dst_entry *dst,
tp->af_specific->calc_md5_hash(md5_hash_location,
md5,
NULL, dst, req,
tcp_hdr(skb), sk->sk_protocol,
tcp_hdr(skb),
skb->len);
}
#endif

22
net/ipv6/addrconf.c
View file

@ -229,6 +229,12 @@ static inline int addrconf_qdisc_ok(struct net_device *dev)
return (dev->qdisc != &noop_qdisc);
}
/* Check if a route is valid prefix route */
static inline int addrconf_is_prefix_route(const struct rt6_info *rt)
{
return ((rt->rt6i_flags & (RTF_GATEWAY | RTF_DEFAULT)) == 0);
}
static void addrconf_del_timer(struct inet6_ifaddr *ifp)
{
if (del_timer(&ifp->timer))
@ -775,7 +781,7 @@ static void ipv6_del_addr(struct inet6_ifaddr *ifp)
ipv6_addr_prefix(&prefix, &ifp->addr, ifp->prefix_len);
rt = rt6_lookup(net, &prefix, NULL, ifp->idev->dev->ifindex, 1);
if (rt && ((rt->rt6i_flags & (RTF_GATEWAY | RTF_DEFAULT)) == 0)) {
if (rt && addrconf_is_prefix_route(rt)) {
if (onlink == 0) {
ip6_del_rt(rt);
rt = NULL;
@ -956,7 +962,8 @@ static inline int ipv6_saddr_preferred(int type)
return 0;
}
static int ipv6_get_saddr_eval(struct ipv6_saddr_score *score,
static int ipv6_get_saddr_eval(struct net *net,
struct ipv6_saddr_score *score,
struct ipv6_saddr_dst *dst,
int i)
{
@ -1035,7 +1042,8 @@ static int ipv6_get_saddr_eval(struct ipv6_saddr_score *score,
break;
case IPV6_SADDR_RULE_LABEL:
/* Rule 6: Prefer matching label */
ret = ipv6_addr_label(&score->ifa->addr, score->addr_type,
ret = ipv6_addr_label(net,
&score->ifa->addr, score->addr_type,
score->ifa->idev->dev->ifindex) == dst->label;
break;
#ifdef CONFIG_IPV6_PRIVACY
@ -1089,7 +1097,7 @@ int ipv6_dev_get_saddr(struct net_device *dst_dev,
dst.addr = daddr;
dst.ifindex = dst_dev ? dst_dev->ifindex : 0;
dst.scope = __ipv6_addr_src_scope(dst_type);
dst.label = ipv6_addr_label(daddr, dst_type, dst.ifindex);
dst.label = ipv6_addr_label(net, daddr, dst_type, dst.ifindex);
dst.prefs = prefs;
hiscore->rule = -1;
@ -1157,8 +1165,8 @@ int ipv6_dev_get_saddr(struct net_device *dst_dev,
for (i = 0; i < IPV6_SADDR_RULE_MAX; i++) {
int minihiscore, miniscore;
minihiscore = ipv6_get_saddr_eval(hiscore, &dst, i);
miniscore = ipv6_get_saddr_eval(score, &dst, i);
minihiscore = ipv6_get_saddr_eval(net, hiscore, &dst, i);
miniscore = ipv6_get_saddr_eval(net, score, &dst, i);
if (minihiscore > miniscore) {
if (i == IPV6_SADDR_RULE_SCOPE &&
@ -1786,7 +1794,7 @@ void addrconf_prefix_rcv(struct net_device *dev, u8 *opt, int len)
rt = rt6_lookup(dev_net(dev), &pinfo->prefix, NULL,
dev->ifindex, 1);
if (rt && ((rt->rt6i_flags & (RTF_GATEWAY | RTF_DEFAULT)) == 0)) {
if (rt && addrconf_is_prefix_route(rt)) {
/* Autoconf prefix route */
if (valid_lft == 0) {
ip6_del_rt(rt);

106
net/ipv6/addrlabel.c
View file

@ -29,6 +29,9 @@
*/
struct ip6addrlbl_entry
{
#ifdef CONFIG_NET_NS
struct net *lbl_net;
#endif
struct in6_addr prefix;
int prefixlen;
int ifindex;
@ -46,6 +49,16 @@ static struct ip6addrlbl_table
u32 seq;
} ip6addrlbl_table;
static inline
struct net *ip6addrlbl_net(const struct ip6addrlbl_entry *lbl)
{
#ifdef CONFIG_NET_NS
return lbl->lbl_net;
#else
return &init_net;
#endif
}
/*
* Default policy table (RFC3484 + extensions)
*
@ -65,7 +78,7 @@ static struct ip6addrlbl_table
#define IPV6_ADDR_LABEL_DEFAULT 0xffffffffUL
static const __initdata struct ip6addrlbl_init_table
static const __net_initdata struct ip6addrlbl_init_table
{
const struct in6_addr *prefix;
int prefixlen;
@ -108,6 +121,9 @@ static const __initdata struct ip6addrlbl_init_table
/* Object management */
static inline void ip6addrlbl_free(struct ip6addrlbl_entry *p)
{
#ifdef CONFIG_NET_NS
release_net(p->lbl_net);
#endif
kfree(p);
}
@ -128,10 +144,13 @@ static inline void ip6addrlbl_put(struct ip6addrlbl_entry *p)
}
/* Find label */
static int __ip6addrlbl_match(struct ip6addrlbl_entry *p,
static int __ip6addrlbl_match(struct net *net,
struct ip6addrlbl_entry *p,
const struct in6_addr *addr,
int addrtype, int ifindex)
{
if (!net_eq(ip6addrlbl_net(p), net))
return 0;
if (p->ifindex && p->ifindex != ifindex)
return 0;
if (p->addrtype && p->addrtype != addrtype)
@ -141,19 +160,21 @@ static int __ip6addrlbl_match(struct ip6addrlbl_entry *p,
return 1;
}
static struct ip6addrlbl_entry *__ipv6_addr_label(const struct in6_addr *addr,
static struct ip6addrlbl_entry *__ipv6_addr_label(struct net *net,
const struct in6_addr *addr,
int type, int ifindex)
{
struct hlist_node *pos;
struct ip6addrlbl_entry *p;
hlist_for_each_entry_rcu(p, pos, &ip6addrlbl_table.head, list) {
if (__ip6addrlbl_match(p, addr, type, ifindex))
if (__ip6addrlbl_match(net, p, addr, type, ifindex))
return p;
}
return NULL;
}
u32 ipv6_addr_label(const struct in6_addr *addr, int type, int ifindex)
u32 ipv6_addr_label(struct net *net,
const struct in6_addr *addr, int type, int ifindex)
{
u32 label;
struct ip6addrlbl_entry *p;
@ -161,7 +182,7 @@ u32 ipv6_addr_label(const struct in6_addr *addr, int type, int ifindex)
type &= IPV6_ADDR_MAPPED | IPV6_ADDR_COMPATv4 | IPV6_ADDR_LOOPBACK;
rcu_read_lock();
p = __ipv6_addr_label(addr, type, ifindex);
p = __ipv6_addr_label(net, addr, type, ifindex);
label = p ? p->label : IPV6_ADDR_LABEL_DEFAULT;
rcu_read_unlock();
@ -174,7 +195,8 @@ u32 ipv6_addr_label(const struct in6_addr *addr, int type, int ifindex)
}
/* allocate one entry */
static struct ip6addrlbl_entry *ip6addrlbl_alloc(const struct in6_addr *prefix,
static struct ip6addrlbl_entry *ip6addrlbl_alloc(struct net *net,
const struct in6_addr *prefix,
int prefixlen, int ifindex,
u32 label)
{
@ -216,6 +238,9 @@ static struct ip6addrlbl_entry *ip6addrlbl_alloc(const struct in6_addr *prefix,
newp->addrtype = addrtype;
newp->label = label;
INIT_HLIST_NODE(&newp->list);
#ifdef CONFIG_NET_NS
newp->lbl_net = hold_net(net);
#endif
atomic_set(&newp->refcnt, 1);
return newp;
}
@ -237,6 +262,7 @@ static int __ip6addrlbl_add(struct ip6addrlbl_entry *newp, int replace)
hlist_for_each_entry_safe(p, pos, n,
&ip6addrlbl_table.head, list) {
if (p->prefixlen == newp->prefixlen &&
net_eq(ip6addrlbl_net(p), ip6addrlbl_net(newp)) &&
p->ifindex == newp->ifindex &&
ipv6_addr_equal(&p->prefix, &newp->prefix)) {
if (!replace) {
@ -261,7 +287,8 @@ static int __ip6addrlbl_add(struct ip6addrlbl_entry *newp, int replace)
}
/* add a label */
static int ip6addrlbl_add(const struct in6_addr *prefix, int prefixlen,
static int ip6addrlbl_add(struct net *net,
const struct in6_addr *prefix, int prefixlen,
int ifindex, u32 label, int replace)
{
struct ip6addrlbl_entry *newp;
@ -274,7 +301,7 @@ static int ip6addrlbl_add(const struct in6_addr *prefix, int prefixlen,
(unsigned int)label,
replace);
newp = ip6addrlbl_alloc(prefix, prefixlen, ifindex, label);
newp = ip6addrlbl_alloc(net, prefix, prefixlen, ifindex, label);
if (IS_ERR(newp))
return PTR_ERR(newp);
spin_lock(&ip6addrlbl_table.lock);
@ -286,7 +313,8 @@ static int ip6addrlbl_add(const struct in6_addr *prefix, int prefixlen,
}
/* remove a label */
static int __ip6addrlbl_del(const struct in6_addr *prefix, int prefixlen,
static int __ip6addrlbl_del(struct net *net,
const struct in6_addr *prefix, int prefixlen,
int ifindex)
{
struct ip6addrlbl_entry *p = NULL;
@ -300,6 +328,7 @@ static int __ip6addrlbl_del(const struct in6_addr *prefix, int prefixlen,
hlist_for_each_entry_safe(p, pos, n, &ip6addrlbl_table.head, list) {
if (p->prefixlen == prefixlen &&
net_eq(ip6addrlbl_net(p), net) &&
p->ifindex == ifindex &&
ipv6_addr_equal(&p->prefix, prefix)) {
hlist_del_rcu(&p->list);
@ -311,7 +340,8 @@ static int __ip6addrlbl_del(const struct in6_addr *prefix, int prefixlen,
return ret;
}
static int ip6addrlbl_del(const struct in6_addr *prefix, int prefixlen,
static int ip6addrlbl_del(struct net *net,
const struct in6_addr *prefix, int prefixlen,
int ifindex)
{
struct in6_addr prefix_buf;
@ -324,13 +354,13 @@ static int ip6addrlbl_del(const struct in6_addr *prefix, int prefixlen,
ipv6_addr_prefix(&prefix_buf, prefix, prefixlen);
spin_lock(&ip6addrlbl_table.lock);
ret = __ip6addrlbl_del(&prefix_buf, prefixlen, ifindex);
ret = __ip6addrlbl_del(net, &prefix_buf, prefixlen, ifindex);
spin_unlock(&ip6addrlbl_table.lock);
return ret;
}
/* add default label */
static __init int ip6addrlbl_init(void)
static int __net_init ip6addrlbl_net_init(struct net *net)
{
int err = 0;
int i;
@ -338,7 +368,8 @@ static __init int ip6addrlbl_init(void)
ADDRLABEL(KERN_DEBUG "%s()\n", __func__);
for (i = 0; i < ARRAY_SIZE(ip6addrlbl_init_table); i++) {
int ret = ip6addrlbl_add(ip6addrlbl_init_table[i].prefix,
int ret = ip6addrlbl_add(net,
ip6addrlbl_init_table[i].prefix,
ip6addrlbl_init_table[i].prefixlen,
0,
ip6addrlbl_init_table[i].label, 0);
@ -349,11 +380,32 @@ static __init int ip6addrlbl_init(void)
return err;
}
static void __net_exit ip6addrlbl_net_exit(struct net *net)
{
struct ip6addrlbl_entry *p = NULL;
struct hlist_node *pos, *n;
/* Remove all labels belonging to the exiting net */
spin_lock(&ip6addrlbl_table.lock);
hlist_for_each_entry_safe(p, pos, n, &ip6addrlbl_table.head, list) {
if (net_eq(ip6addrlbl_net(p), net)) {
hlist_del_rcu(&p->list);
ip6addrlbl_put(p);
}
}
spin_unlock(&ip6addrlbl_table.lock);
}
static struct pernet_operations ipv6_addr_label_ops = {
.init = ip6addrlbl_net_init,
.exit = ip6addrlbl_net_exit,
};
int __init ipv6_addr_label_init(void)
{
spin_lock_init(&ip6addrlbl_table.lock);
return ip6addrlbl_init();
return register_pernet_subsys(&ipv6_addr_label_ops);
}
static const struct nla_policy ifal_policy[IFAL_MAX+1] = {
@ -371,9 +423,6 @@ static int ip6addrlbl_newdel(struct sk_buff *skb, struct nlmsghdr *nlh,
u32 label;
int err = 0;
if (net != &init_net)
return 0;
err = nlmsg_parse(nlh, sizeof(*ifal), tb, IFAL_MAX, ifal_policy);
if (err < 0)
return err;
@ -385,7 +434,7 @@ static int ip6addrlbl_newdel(struct sk_buff *skb, struct nlmsghdr *nlh,
return -EINVAL;
if (ifal->ifal_index &&
!__dev_get_by_index(&init_net, ifal->ifal_index))
!__dev_get_by_index(net, ifal->ifal_index))
return -EINVAL;
if (!tb[IFAL_ADDRESS])
@ -403,12 +452,12 @@ static int ip6addrlbl_newdel(struct sk_buff *skb, struct nlmsghdr *nlh,
switch(nlh->nlmsg_type) {
case RTM_NEWADDRLABEL:
err = ip6addrlbl_add(pfx, ifal->ifal_prefixlen,
err = ip6addrlbl_add(net, pfx, ifal->ifal_prefixlen,
ifal->ifal_index, label,
nlh->nlmsg_flags & NLM_F_REPLACE);
break;
case RTM_DELADDRLABEL:
err = ip6addrlbl_del(pfx, ifal->ifal_prefixlen,
err = ip6addrlbl_del(net, pfx, ifal->ifal_prefixlen,
ifal->ifal_index);
break;
default:
@ -458,12 +507,10 @@ static int ip6addrlbl_dump(struct sk_buff *skb, struct netlink_callback *cb)
int idx = 0, s_idx = cb->args[0];
int err;
if (net != &init_net)
return 0;
rcu_read_lock();
hlist_for_each_entry_rcu(p, pos, &ip6addrlbl_table.head, list) {
if (idx >= s_idx) {
if (idx >= s_idx &&
net_eq(ip6addrlbl_net(p), net)) {
if ((err = ip6addrlbl_fill(skb, p,
ip6addrlbl_table.seq,
NETLINK_CB(cb->skb).pid,
@ -499,9 +546,6 @@ static int ip6addrlbl_get(struct sk_buff *in_skb, struct nlmsghdr* nlh,
struct ip6addrlbl_entry *p;
struct sk_buff *skb;
if (net != &init_net)
return 0;
err = nlmsg_parse(nlh, sizeof(*ifal), tb, IFAL_MAX, ifal_policy);
if (err < 0)
return err;
@ -513,7 +557,7 @@ static int ip6addrlbl_get(struct sk_buff *in_skb, struct nlmsghdr* nlh,
return -EINVAL;
if (ifal->ifal_index &&
!__dev_get_by_index(&init_net, ifal->ifal_index))
!__dev_get_by_index(net, ifal->ifal_index))
return -EINVAL;
if (!tb[IFAL_ADDRESS])
@ -524,7 +568,7 @@ static int ip6addrlbl_get(struct sk_buff *in_skb, struct nlmsghdr* nlh,
return -EINVAL;
rcu_read_lock();
p = __ipv6_addr_label(addr, ipv6_addr_type(addr), ifal->ifal_index);
p = __ipv6_addr_label(net, addr, ipv6_addr_type(addr), ifal->ifal_index);
if (p && ip6addrlbl_hold(p))
p = NULL;
lseq = ip6addrlbl_table.seq;
@ -552,7 +596,7 @@ static int ip6addrlbl_get(struct sk_buff *in_skb, struct nlmsghdr* nlh,
goto out;
}
err = rtnl_unicast(skb, &init_net, NETLINK_CB(in_skb).pid);
err = rtnl_unicast(skb, net, NETLINK_CB(in_skb).pid);
out:
return err;
}

2
net/ipv6/ip6mr.c
View file

@ -1240,7 +1240,7 @@ int ip6_mroute_setsockopt(struct sock *sk, int optname, char __user *optval, int
#endif
/*
* Spurious command, or MRT_VERSION which you cannot
* Spurious command, or MRT6_VERSION which you cannot
* set.
*/
default:

1
net/ipv6/mcast.c
View file

@ -162,7 +162,6 @@ static int ip6_mc_leave_src(struct sock *sk, struct ipv6_mc_socklist *iml,
((MLDV2_MASK(value, nbmant) | (1<<(nbmant))) << \
(MLDV2_MASK((value) >> (nbmant), nbexp) + (nbexp))))
#define MLDV2_QQIC(value) MLDV2_EXP(0x80, 4, 3, value)
#define MLDV2_MRC(value) MLDV2_EXP(0x8000, 12, 3, value)
#define IPV6_MLD_MAX_MSF 64

136
net/ipv6/tcp_ipv6.c
View file

@ -80,6 +80,12 @@ static struct inet_connection_sock_af_ops ipv6_specific;
#ifdef CONFIG_TCP_MD5SIG
static struct tcp_sock_af_ops tcp_sock_ipv6_specific;
static struct tcp_sock_af_ops tcp_sock_ipv6_mapped_specific;
#else
static struct tcp_md5sig_key *tcp_v6_md5_do_lookup(struct sock *sk,
struct in6_addr *addr)
{
return NULL;
}
#endif
static void tcp_v6_hash(struct sock *sk)
@ -734,78 +740,34 @@ static int tcp_v6_parse_md5_keys (struct sock *sk, char __user *optval,
static int tcp_v6_do_calc_md5_hash(char *md5_hash, struct tcp_md5sig_key *key,
struct in6_addr *saddr,
struct in6_addr *daddr,
struct tcphdr *th, int protocol,
unsigned int tcplen)
struct tcphdr *th, unsigned int tcplen)
{
struct scatterlist sg[4];
__u16 data_len;
int block = 0;
__sum16 cksum;
struct tcp_md5sig_pool *hp;
struct tcp6_pseudohdr *bp;
struct hash_desc *desc;
int err;
unsigned int nbytes = 0;
hp = tcp_get_md5sig_pool();
if (!hp) {
printk(KERN_WARNING "%s(): hash pool not found...\n", __func__);
goto clear_hash_noput;
}
bp = &hp->md5_blk.ip6;
desc = &hp->md5_desc;
/* 1. TCP pseudo-header (RFC2460) */
ipv6_addr_copy(&bp->saddr, saddr);
ipv6_addr_copy(&bp->daddr, daddr);
bp->len = htonl(tcplen);
bp->protocol = htonl(protocol);
bp->protocol = htonl(IPPROTO_TCP);
sg_init_table(sg, 4);
err = tcp_calc_md5_hash(md5_hash, key, sizeof(*bp),
th, tcplen, hp);
sg_set_buf(&sg[block++], bp, sizeof(*bp));
nbytes += sizeof(*bp);
/* 2. TCP header, excluding options */
cksum = th->check;
th->check = 0;
sg_set_buf(&sg[block++], th, sizeof(*th));
nbytes += sizeof(*th);
/* 3. TCP segment data (if any) */
data_len = tcplen - (th->doff << 2);
if (data_len > 0) {
u8 *data = (u8 *)th + (th->doff << 2);
sg_set_buf(&sg[block++], data, data_len);
nbytes += data_len;
}
/* 4. shared key */
sg_set_buf(&sg[block++], key->key, key->keylen);
nbytes += key->keylen;
sg_mark_end(&sg[block - 1]);
/* Now store the hash into the packet */
err = crypto_hash_init(desc);
if (err) {
printk(KERN_WARNING "%s(): hash_init failed\n", __func__);
if (err)
goto clear_hash;
}
err = crypto_hash_update(desc, sg, nbytes);
if (err) {
printk(KERN_WARNING "%s(): hash_update failed\n", __func__);
goto clear_hash;
}
err = crypto_hash_final(desc, md5_hash);
if (err) {
printk(KERN_WARNING "%s(): hash_final failed\n", __func__);
goto clear_hash;
}
/* Reset header, and free up the crypto */
/* Free up the crypto pool */
tcp_put_md5sig_pool();
th->check = cksum;
out:
return 0;
clear_hash:
@ -819,8 +781,7 @@ static int tcp_v6_calc_md5_hash(char *md5_hash, struct tcp_md5sig_key *key,
struct sock *sk,
struct dst_entry *dst,
struct request_sock *req,
struct tcphdr *th, int protocol,
unsigned int tcplen)
struct tcphdr *th, unsigned int tcplen)
{
struct in6_addr *saddr, *daddr;
@ -833,7 +794,7 @@ static int tcp_v6_calc_md5_hash(char *md5_hash, struct tcp_md5sig_key *key,
}
return tcp_v6_do_calc_md5_hash(md5_hash, key,
saddr, daddr,
th, protocol, tcplen);
th, tcplen);
}
static int tcp_v6_inbound_md5_hash (struct sock *sk, struct sk_buff *skb)
@ -842,43 +803,12 @@ static int tcp_v6_inbound_md5_hash (struct sock *sk, struct sk_buff *skb)
struct tcp_md5sig_key *hash_expected;
struct ipv6hdr *ip6h = ipv6_hdr(skb);
struct tcphdr *th = tcp_hdr(skb);
int length = (th->doff << 2) - sizeof (*th);
int genhash;
u8 *ptr;
u8 newhash[16];
hash_expected = tcp_v6_md5_do_lookup(sk, &ip6h->saddr);
hash_location = tcp_parse_md5sig_option(th);
/* If the TCP option is too short, we can short cut */
if (length < TCPOLEN_MD5SIG)
return hash_expected ? 1 : 0;
/* parse options */
ptr = (u8*)(th + 1);
while (length > 0) {
int opcode = *ptr++;
int opsize;
switch(opcode) {
case TCPOPT_EOL:
goto done_opts;
case TCPOPT_NOP:
length--;
continue;
default:
opsize = *ptr++;
if (opsize < 2 || opsize > length)
goto done_opts;
if (opcode == TCPOPT_MD5SIG) {
hash_location = ptr;
goto done_opts;
}
}
ptr += opsize - 2;
length -= opsize;
}
done_opts:
/* do we have a hash as expected? */
if (!hash_expected) {
if (!hash_location)
@ -908,8 +838,7 @@ static int tcp_v6_inbound_md5_hash (struct sock *sk, struct sk_buff *skb)
genhash = tcp_v6_do_calc_md5_hash(newhash,
hash_expected,
&ip6h->saddr, &ip6h->daddr,
th, sk->sk_protocol,
skb->len);
th, skb->len);
if (genhash || memcmp(hash_location, newhash, 16) != 0) {
if (net_ratelimit()) {
printk(KERN_INFO "MD5 Hash %s for "
@ -1049,7 +978,7 @@ static void tcp_v6_send_reset(struct sock *sk, struct sk_buff *skb)
tcp_v6_do_calc_md5_hash((__u8 *)&opt[1], key,
&ipv6_hdr(skb)->daddr,
&ipv6_hdr(skb)->saddr,
t1, IPPROTO_TCP, tot_len);
t1, tot_len);
}
#endif
@ -1086,8 +1015,8 @@ static void tcp_v6_send_reset(struct sock *sk, struct sk_buff *skb)
kfree_skb(buff);
}
static void tcp_v6_send_ack(struct tcp_timewait_sock *tw,
struct sk_buff *skb, u32 seq, u32 ack, u32 win, u32 ts)
static void tcp_v6_send_ack(struct sk_buff *skb, u32 seq, u32 ack, u32 win, u32 ts,
struct tcp_md5sig_key *key)
{
struct tcphdr *th = tcp_hdr(skb), *t1;
struct sk_buff *buff;
@ -1096,22 +1025,6 @@ static void tcp_v6_send_ack(struct tcp_timewait_sock *tw,
struct sock *ctl_sk = net->ipv6.tcp_sk;
unsigned int tot_len = sizeof(struct tcphdr);
__be32 *topt;
#ifdef CONFIG_TCP_MD5SIG
struct tcp_md5sig_key *key;
struct tcp_md5sig_key tw_key;
#endif
#ifdef CONFIG_TCP_MD5SIG
if (!tw && skb->sk) {
key = tcp_v6_md5_do_lookup(skb->sk, &ipv6_hdr(skb)->daddr);
} else if (tw && tw->tw_md5_keylen) {
tw_key.key = tw->tw_md5_key;
tw_key.keylen = tw->tw_md5_keylen;
key = &tw_key;
} else {
key = NULL;
}
#endif
if (ts)
tot_len += TCPOLEN_TSTAMP_ALIGNED;
@ -1155,7 +1068,7 @@ static void tcp_v6_send_ack(struct tcp_timewait_sock *tw,
tcp_v6_do_calc_md5_hash((__u8 *)topt, key,
&ipv6_hdr(skb)->daddr,
&ipv6_hdr(skb)->saddr,
t1, IPPROTO_TCP, tot_len);
t1, tot_len);
}
#endif
@ -1191,16 +1104,17 @@ static void tcp_v6_timewait_ack(struct sock *sk, struct sk_buff *skb)
struct inet_timewait_sock *tw = inet_twsk(sk);
struct tcp_timewait_sock *tcptw = tcp_twsk(sk);
tcp_v6_send_ack(tcptw, skb, tcptw->tw_snd_nxt, tcptw->tw_rcv_nxt,
tcp_v6_send_ack(skb, tcptw->tw_snd_nxt, tcptw->tw_rcv_nxt,
tcptw->tw_rcv_wnd >> tw->tw_rcv_wscale,
tcptw->tw_ts_recent);
tcptw->tw_ts_recent, tcp_twsk_md5_key(tcptw));
inet_twsk_put(tw);
}
static void tcp_v6_reqsk_send_ack(struct sk_buff *skb, struct request_sock *req)
{
tcp_v6_send_ack(NULL, skb, tcp_rsk(req)->snt_isn + 1, tcp_rsk(req)->rcv_isn + 1, req->rcv_wnd, req->ts_recent);
tcp_v6_send_ack(skb, tcp_rsk(req)->snt_isn + 1, tcp_rsk(req)->rcv_isn + 1, req->rcv_wnd, req->ts_recent,
tcp_v6_md5_do_lookup(skb->sk, &ipv6_hdr(skb)->daddr));
}

626
net/key/af_key.c
View file

@ -579,25 +579,43 @@ static uint8_t pfkey_proto_from_xfrm(uint8_t proto)
return (proto ? proto : IPSEC_PROTO_ANY);
}
static int pfkey_sadb_addr2xfrm_addr(struct sadb_address *addr,
xfrm_address_t *xaddr)
static inline int pfkey_sockaddr_len(sa_family_t family)
{
switch (((struct sockaddr*)(addr + 1))->sa_family) {
switch (family) {
case AF_INET:
return sizeof(struct sockaddr_in);
#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
case AF_INET6:
return sizeof(struct sockaddr_in6);
#endif
}
return 0;
}
static
int pfkey_sockaddr_extract(const struct sockaddr *sa, xfrm_address_t *xaddr)
{
switch (sa->sa_family) {
case AF_INET:
xaddr->a4 =
((struct sockaddr_in *)(addr + 1))->sin_addr.s_addr;
((struct sockaddr_in *)sa)->sin_addr.s_addr;
return AF_INET;
#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
case AF_INET6:
memcpy(xaddr->a6,
&((struct sockaddr_in6 *)(addr + 1))->sin6_addr,
&((struct sockaddr_in6 *)sa)->sin6_addr,
sizeof(struct in6_addr));
return AF_INET6;
#endif
default:
return 0;
}
/* NOTREACHED */
return 0;
}
static
int pfkey_sadb_addr2xfrm_addr(struct sadb_address *addr, xfrm_address_t *xaddr)
{
return pfkey_sockaddr_extract((struct sockaddr *)(addr + 1),
xaddr);
}
static struct xfrm_state *pfkey_xfrm_state_lookup(struct sadb_msg *hdr, void **ext_hdrs)
@ -642,20 +660,11 @@ static struct xfrm_state *pfkey_xfrm_state_lookup(struct sadb_msg *hdr, void **
}
#define PFKEY_ALIGN8(a) (1 + (((a) - 1) | (8 - 1)))
static int
pfkey_sockaddr_size(sa_family_t family)
{
switch (family) {
case AF_INET:
return PFKEY_ALIGN8(sizeof(struct sockaddr_in));
#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
case AF_INET6:
return PFKEY_ALIGN8(sizeof(struct sockaddr_in6));
#endif
default:
return 0;
}
/* NOTREACHED */
return PFKEY_ALIGN8(pfkey_sockaddr_len(family));
}
static inline int pfkey_mode_from_xfrm(int mode)
@ -687,6 +696,36 @@ static inline int pfkey_mode_to_xfrm(int mode)
}
}
static unsigned int pfkey_sockaddr_fill(xfrm_address_t *xaddr, __be16 port,
struct sockaddr *sa,
unsigned short family)
{
switch (family) {
case AF_INET:
{
struct sockaddr_in *sin = (struct sockaddr_in *)sa;
sin->sin_family = AF_INET;
sin->sin_port = port;
sin->sin_addr.s_addr = xaddr->a4;
memset(sin->sin_zero, 0, sizeof(sin->sin_zero));
return 32;
}
#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
case AF_INET6:
{
struct sockaddr_in6 *sin6 = (struct sockaddr_in6 *)sa;
sin6->sin6_family = AF_INET6;
sin6->sin6_port = port;
sin6->sin6_flowinfo = 0;
ipv6_addr_copy(&sin6->sin6_addr, (struct in6_addr *)xaddr->a6);
sin6->sin6_scope_id = 0;
return 128;
}
#endif
}
return 0;
}
static struct sk_buff *__pfkey_xfrm_state2msg(struct xfrm_state *x,
int add_keys, int hsc)
{
@ -697,13 +736,9 @@ static struct sk_buff *__pfkey_xfrm_state2msg(struct xfrm_state *x,
struct sadb_address *addr;
struct sadb_key *key;
struct sadb_x_sa2 *sa2;
struct sockaddr_in *sin;
struct sadb_x_sec_ctx *sec_ctx;
struct xfrm_sec_ctx *xfrm_ctx;
int ctx_size = 0;
#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
struct sockaddr_in6 *sin6;
#endif
int size;
int auth_key_size = 0;
int encrypt_key_size = 0;
@ -732,14 +767,7 @@ static struct sk_buff *__pfkey_xfrm_state2msg(struct xfrm_state *x,
}
/* identity & sensitivity */
if ((x->props.family == AF_INET &&
x->sel.saddr.a4 != x->props.saddr.a4)
#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
|| (x->props.family == AF_INET6 &&
memcmp (x->sel.saddr.a6, x->props.saddr.a6, sizeof (struct in6_addr)))
#endif
)
if (xfrm_addr_cmp(&x->sel.saddr, &x->props.saddr, x->props.family))
size += sizeof(struct sadb_address) + sockaddr_size;
if (add_keys) {
@ -861,29 +889,12 @@ static struct sk_buff *__pfkey_xfrm_state2msg(struct xfrm_state *x,
protocol's number." - RFC2367 */
addr->sadb_address_proto = 0;
addr->sadb_address_reserved = 0;
if (x->props.family == AF_INET) {
addr->sadb_address_prefixlen = 32;
sin = (struct sockaddr_in *) (addr + 1);
sin->sin_family = AF_INET;
sin->sin_addr.s_addr = x->props.saddr.a4;
sin->sin_port = 0;
memset(sin->sin_zero, 0, sizeof(sin->sin_zero));
}
#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
else if (x->props.family == AF_INET6) {
addr->sadb_address_prefixlen = 128;
sin6 = (struct sockaddr_in6 *) (addr + 1);
sin6->sin6_family = AF_INET6;
sin6->sin6_port = 0;
sin6->sin6_flowinfo = 0;
memcpy(&sin6->sin6_addr, x->props.saddr.a6,
sizeof(struct in6_addr));
sin6->sin6_scope_id = 0;
}
#endif
else
addr->sadb_address_prefixlen =
pfkey_sockaddr_fill(&x->props.saddr, 0,
(struct sockaddr *) (addr + 1),
x->props.family);
if (!addr->sadb_address_prefixlen)
BUG();
/* dst address */
@ -894,71 +905,33 @@ static struct sk_buff *__pfkey_xfrm_state2msg(struct xfrm_state *x,
sizeof(uint64_t);
addr->sadb_address_exttype = SADB_EXT_ADDRESS_DST;
addr->sadb_address_proto = 0;
addr->sadb_address_prefixlen = 32; /* XXX */
addr->sadb_address_reserved = 0;
if (x->props.family == AF_INET) {
sin = (struct sockaddr_in *) (addr + 1);
sin->sin_family = AF_INET;
sin->sin_addr.s_addr = x->id.daddr.a4;
sin->sin_port = 0;
memset(sin->sin_zero, 0, sizeof(sin->sin_zero));
if (x->sel.saddr.a4 != x->props.saddr.a4) {
addr = (struct sadb_address*) skb_put(skb,
sizeof(struct sadb_address)+sockaddr_size);
addr->sadb_address_len =
(sizeof(struct sadb_address)+sockaddr_size)/
sizeof(uint64_t);
addr->sadb_address_exttype = SADB_EXT_ADDRESS_PROXY;
addr->sadb_address_proto =
pfkey_proto_from_xfrm(x->sel.proto);
addr->sadb_address_prefixlen = x->sel.prefixlen_s;
addr->sadb_address_reserved = 0;
sin = (struct sockaddr_in *) (addr + 1);
sin->sin_family = AF_INET;
sin->sin_addr.s_addr = x->sel.saddr.a4;
sin->sin_port = x->sel.sport;
memset(sin->sin_zero, 0, sizeof(sin->sin_zero));
}
}
#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
else if (x->props.family == AF_INET6) {
addr->sadb_address_prefixlen = 128;
sin6 = (struct sockaddr_in6 *) (addr + 1);
sin6->sin6_family = AF_INET6;
sin6->sin6_port = 0;
sin6->sin6_flowinfo = 0;
memcpy(&sin6->sin6_addr, x->id.daddr.a6, sizeof(struct in6_addr));
sin6->sin6_scope_id = 0;
if (memcmp (x->sel.saddr.a6, x->props.saddr.a6,
sizeof(struct in6_addr))) {
addr = (struct sadb_address *) skb_put(skb,
sizeof(struct sadb_address)+sockaddr_size);
addr->sadb_address_len =
(sizeof(struct sadb_address)+sockaddr_size)/
sizeof(uint64_t);
addr->sadb_address_exttype = SADB_EXT_ADDRESS_PROXY;
addr->sadb_address_proto =
pfkey_proto_from_xfrm(x->sel.proto);
addr->sadb_address_prefixlen = x->sel.prefixlen_s;
addr->sadb_address_reserved = 0;
sin6 = (struct sockaddr_in6 *) (addr + 1);
sin6->sin6_family = AF_INET6;
sin6->sin6_port = x->sel.sport;
sin6->sin6_flowinfo = 0;
memcpy(&sin6->sin6_addr, x->sel.saddr.a6,
sizeof(struct in6_addr));
sin6->sin6_scope_id = 0;
}
}
#endif
else
addr->sadb_address_prefixlen =
pfkey_sockaddr_fill(&x->id.daddr, 0,
(struct sockaddr *) (addr + 1),
x->props.family);
if (!addr->sadb_address_prefixlen)
BUG();
if (xfrm_addr_cmp(&x->sel.saddr, &x->props.saddr,
x->props.family)) {
addr = (struct sadb_address*) skb_put(skb,
sizeof(struct sadb_address)+sockaddr_size);
addr->sadb_address_len =
(sizeof(struct sadb_address)+sockaddr_size)/
sizeof(uint64_t);
addr->sadb_address_exttype = SADB_EXT_ADDRESS_PROXY;
addr->sadb_address_proto =
pfkey_proto_from_xfrm(x->sel.proto);
addr->sadb_address_prefixlen = x->sel.prefixlen_s;
addr->sadb_address_reserved = 0;
pfkey_sockaddr_fill(&x->sel.saddr, x->sel.sport,
(struct sockaddr *) (addr + 1),
x->props.family);
}
/* auth key */
if (add_keys && auth_key_size) {
key = (struct sadb_key *) skb_put(skb,
@ -1853,10 +1826,6 @@ static int
parse_ipsecrequest(struct xfrm_policy *xp, struct sadb_x_ipsecrequest *rq)
{
struct xfrm_tmpl *t = xp->xfrm_vec + xp->xfrm_nr;
struct sockaddr_in *sin;
#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
struct sockaddr_in6 *sin6;
#endif
int mode;
if (xp->xfrm_nr >= XFRM_MAX_DEPTH)
@ -1881,31 +1850,19 @@ parse_ipsecrequest(struct xfrm_policy *xp, struct sadb_x_ipsecrequest *rq)
/* addresses present only in tunnel mode */
if (t->mode == XFRM_MODE_TUNNEL) {
struct sockaddr *sa;
sa = (struct sockaddr *)(rq+1);
switch(sa->sa_family) {
case AF_INET:
sin = (struct sockaddr_in*)sa;
t->saddr.a4 = sin->sin_addr.s_addr;
sin++;
if (sin->sin_family != AF_INET)
return -EINVAL;
t->id.daddr.a4 = sin->sin_addr.s_addr;
break;
#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
case AF_INET6:
sin6 = (struct sockaddr_in6*)sa;
memcpy(t->saddr.a6, &sin6->sin6_addr, sizeof(struct in6_addr));
sin6++;
if (sin6->sin6_family != AF_INET6)
return -EINVAL;
memcpy(t->id.daddr.a6, &sin6->sin6_addr, sizeof(struct in6_addr));
break;
#endif
default:
u8 *sa = (u8 *) (rq + 1);
int family, socklen;
family = pfkey_sockaddr_extract((struct sockaddr *)sa,
&t->saddr);
if (!family)
return -EINVAL;
}
t->encap_family = sa->sa_family;
socklen = pfkey_sockaddr_len(family);
if (pfkey_sockaddr_extract((struct sockaddr *)(sa + socklen),
&t->id.daddr) != family)
return -EINVAL;
t->encap_family = family;
} else
t->encap_family = xp->family;
@ -1952,9 +1909,7 @@ static int pfkey_xfrm_policy2msg_size(struct xfrm_policy *xp)
for (i=0; i<xp->xfrm_nr; i++) {
t = xp->xfrm_vec + i;
socklen += (t->encap_family == AF_INET ?
sizeof(struct sockaddr_in) :
sizeof(struct sockaddr_in6));
socklen += pfkey_sockaddr_len(t->encap_family);
}
return sizeof(struct sadb_msg) +
@ -1987,18 +1942,12 @@ static int pfkey_xfrm_policy2msg(struct sk_buff *skb, struct xfrm_policy *xp, in
struct sadb_address *addr;
struct sadb_lifetime *lifetime;
struct sadb_x_policy *pol;
struct sockaddr_in *sin;
struct sadb_x_sec_ctx *sec_ctx;
struct xfrm_sec_ctx *xfrm_ctx;
#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
struct sockaddr_in6 *sin6;
#endif
int i;
int size;
int sockaddr_size = pfkey_sockaddr_size(xp->family);
int socklen = (xp->family == AF_INET ?
sizeof(struct sockaddr_in) :
sizeof(struct sockaddr_in6));
int socklen = pfkey_sockaddr_len(xp->family);
size = pfkey_xfrm_policy2msg_size(xp);
@ -2016,26 +1965,10 @@ static int pfkey_xfrm_policy2msg(struct sk_buff *skb, struct xfrm_policy *xp, in
addr->sadb_address_proto = pfkey_proto_from_xfrm(xp->selector.proto);
addr->sadb_address_prefixlen = xp->selector.prefixlen_s;
addr->sadb_address_reserved = 0;
/* src address */
if (xp->family == AF_INET) {
sin = (struct sockaddr_in *) (addr + 1);
sin->sin_family = AF_INET;
sin->sin_addr.s_addr = xp->selector.saddr.a4;
sin->sin_port = xp->selector.sport;
memset(sin->sin_zero, 0, sizeof(sin->sin_zero));
}
#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
else if (xp->family == AF_INET6) {
sin6 = (struct sockaddr_in6 *) (addr + 1);
sin6->sin6_family = AF_INET6;
sin6->sin6_port = xp->selector.sport;
sin6->sin6_flowinfo = 0;
memcpy(&sin6->sin6_addr, xp->selector.saddr.a6,
sizeof(struct in6_addr));
sin6->sin6_scope_id = 0;
}
#endif
else
if (!pfkey_sockaddr_fill(&xp->selector.saddr,
xp->selector.sport,
(struct sockaddr *) (addr + 1),
xp->family))
BUG();
/* dst address */
@ -2048,26 +1981,10 @@ static int pfkey_xfrm_policy2msg(struct sk_buff *skb, struct xfrm_policy *xp, in
addr->sadb_address_proto = pfkey_proto_from_xfrm(xp->selector.proto);
addr->sadb_address_prefixlen = xp->selector.prefixlen_d;
addr->sadb_address_reserved = 0;
if (xp->family == AF_INET) {
sin = (struct sockaddr_in *) (addr + 1);
sin->sin_family = AF_INET;
sin->sin_addr.s_addr = xp->selector.daddr.a4;
sin->sin_port = xp->selector.dport;
memset(sin->sin_zero, 0, sizeof(sin->sin_zero));
}
#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
else if (xp->family == AF_INET6) {
sin6 = (struct sockaddr_in6 *) (addr + 1);
sin6->sin6_family = AF_INET6;
sin6->sin6_port = xp->selector.dport;
sin6->sin6_flowinfo = 0;
memcpy(&sin6->sin6_addr, xp->selector.daddr.a6,
sizeof(struct in6_addr));
sin6->sin6_scope_id = 0;
}
#endif
else
BUG();
pfkey_sockaddr_fill(&xp->selector.daddr, xp->selector.dport,
(struct sockaddr *) (addr + 1),
xp->family);
/* hard time */
lifetime = (struct sadb_lifetime *) skb_put(skb,
@ -2121,12 +2038,13 @@ static int pfkey_xfrm_policy2msg(struct sk_buff *skb, struct xfrm_policy *xp, in
int mode;
req_size = sizeof(struct sadb_x_ipsecrequest);
if (t->mode == XFRM_MODE_TUNNEL)
req_size += ((t->encap_family == AF_INET ?
sizeof(struct sockaddr_in) :
sizeof(struct sockaddr_in6)) * 2);
else
if (t->mode == XFRM_MODE_TUNNEL) {
socklen = pfkey_sockaddr_len(t->encap_family);
req_size += socklen * 2;
} else {
size -= 2*socklen;
socklen = 0;
}
rq = (void*)skb_put(skb, req_size);
pol->sadb_x_policy_len += req_size/8;
memset(rq, 0, sizeof(*rq));
@ -2141,42 +2059,15 @@ static int pfkey_xfrm_policy2msg(struct sk_buff *skb, struct xfrm_policy *xp, in
if (t->optional)
rq->sadb_x_ipsecrequest_level = IPSEC_LEVEL_USE;
rq->sadb_x_ipsecrequest_reqid = t->reqid;
if (t->mode == XFRM_MODE_TUNNEL) {
switch (t->encap_family) {
case AF_INET:
sin = (void*)(rq+1);
sin->sin_family = AF_INET;
sin->sin_addr.s_addr = t->saddr.a4;
sin->sin_port = 0;
memset(sin->sin_zero, 0, sizeof(sin->sin_zero));
sin++;
sin->sin_family = AF_INET;
sin->sin_addr.s_addr = t->id.daddr.a4;
sin->sin_port = 0;
memset(sin->sin_zero, 0, sizeof(sin->sin_zero));
break;
#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
case AF_INET6:
sin6 = (void*)(rq+1);
sin6->sin6_family = AF_INET6;
sin6->sin6_port = 0;
sin6->sin6_flowinfo = 0;
memcpy(&sin6->sin6_addr, t->saddr.a6,
sizeof(struct in6_addr));
sin6->sin6_scope_id = 0;
sin6++;
sin6->sin6_family = AF_INET6;
sin6->sin6_port = 0;
sin6->sin6_flowinfo = 0;
memcpy(&sin6->sin6_addr, t->id.daddr.a6,
sizeof(struct in6_addr));
sin6->sin6_scope_id = 0;
break;
#endif
default:
break;
}
if (t->mode == XFRM_MODE_TUNNEL) {
u8 *sa = (void *)(rq + 1);
pfkey_sockaddr_fill(&t->saddr, 0,
(struct sockaddr *)sa,
t->encap_family);
pfkey_sockaddr_fill(&t->id.daddr, 0,
(struct sockaddr *) (sa + socklen),
t->encap_family);
}
}
@ -2459,61 +2350,31 @@ static int key_pol_get_resp(struct sock *sk, struct xfrm_policy *xp, struct sadb
#ifdef CONFIG_NET_KEY_MIGRATE
static int pfkey_sockaddr_pair_size(sa_family_t family)
{
switch (family) {
case AF_INET:
return PFKEY_ALIGN8(sizeof(struct sockaddr_in) * 2);
#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
case AF_INET6:
return PFKEY_ALIGN8(sizeof(struct sockaddr_in6) * 2);
#endif
default:
return 0;
}
/* NOTREACHED */
return PFKEY_ALIGN8(pfkey_sockaddr_len(family) * 2);
}
static int parse_sockaddr_pair(struct sadb_x_ipsecrequest *rq,
xfrm_address_t *saddr, xfrm_address_t *daddr,
u16 *family)
{
struct sockaddr *sa = (struct sockaddr *)(rq + 1);
u8 *sa = (u8 *) (rq + 1);
int af, socklen;
if (rq->sadb_x_ipsecrequest_len <
pfkey_sockaddr_pair_size(sa->sa_family))
pfkey_sockaddr_pair_size(((struct sockaddr *)sa)->sa_family))
return -EINVAL;
switch (sa->sa_family) {
case AF_INET:
{
struct sockaddr_in *sin;
sin = (struct sockaddr_in *)sa;
if ((sin+1)->sin_family != AF_INET)
return -EINVAL;
memcpy(&saddr->a4, &sin->sin_addr, sizeof(saddr->a4));
sin++;
memcpy(&daddr->a4, &sin->sin_addr, sizeof(daddr->a4));
*family = AF_INET;
break;
}
#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
case AF_INET6:
{
struct sockaddr_in6 *sin6;
sin6 = (struct sockaddr_in6 *)sa;
if ((sin6+1)->sin6_family != AF_INET6)
return -EINVAL;
memcpy(&saddr->a6, &sin6->sin6_addr,
sizeof(saddr->a6));
sin6++;
memcpy(&daddr->a6, &sin6->sin6_addr,
sizeof(daddr->a6));
*family = AF_INET6;
break;
}
#endif
default:
af = pfkey_sockaddr_extract((struct sockaddr *) sa,
saddr);
if (!af)
return -EINVAL;
}
socklen = pfkey_sockaddr_len(af);
if (pfkey_sockaddr_extract((struct sockaddr *) (sa + socklen),
daddr) != af)
return -EINVAL;
*family = af;
return 0;
}
@ -3091,10 +2952,6 @@ static int pfkey_send_acquire(struct xfrm_state *x, struct xfrm_tmpl *t, struct
struct sadb_msg *hdr;
struct sadb_address *addr;
struct sadb_x_policy *pol;
struct sockaddr_in *sin;
#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
struct sockaddr_in6 *sin6;
#endif
int sockaddr_size;
int size;
struct sadb_x_sec_ctx *sec_ctx;
@ -3143,29 +3000,11 @@ static int pfkey_send_acquire(struct xfrm_state *x, struct xfrm_tmpl *t, struct
addr->sadb_address_exttype = SADB_EXT_ADDRESS_SRC;
addr->sadb_address_proto = 0;
addr->sadb_address_reserved = 0;
if (x->props.family == AF_INET) {
addr->sadb_address_prefixlen = 32;
sin = (struct sockaddr_in *) (addr + 1);
sin->sin_family = AF_INET;
sin->sin_addr.s_addr = x->props.saddr.a4;
sin->sin_port = 0;
memset(sin->sin_zero, 0, sizeof(sin->sin_zero));
}
#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
else if (x->props.family == AF_INET6) {
addr->sadb_address_prefixlen = 128;
sin6 = (struct sockaddr_in6 *) (addr + 1);
sin6->sin6_family = AF_INET6;
sin6->sin6_port = 0;
sin6->sin6_flowinfo = 0;
memcpy(&sin6->sin6_addr,
x->props.saddr.a6, sizeof(struct in6_addr));
sin6->sin6_scope_id = 0;
}
#endif
else
addr->sadb_address_prefixlen =
pfkey_sockaddr_fill(&x->props.saddr, 0,
(struct sockaddr *) (addr + 1),
x->props.family);
if (!addr->sadb_address_prefixlen)
BUG();
/* dst address */
@ -3177,29 +3016,11 @@ static int pfkey_send_acquire(struct xfrm_state *x, struct xfrm_tmpl *t, struct
addr->sadb_address_exttype = SADB_EXT_ADDRESS_DST;
addr->sadb_address_proto = 0;
addr->sadb_address_reserved = 0;
if (x->props.family == AF_INET) {
addr->sadb_address_prefixlen = 32;
sin = (struct sockaddr_in *) (addr + 1);
sin->sin_family = AF_INET;
sin->sin_addr.s_addr = x->id.daddr.a4;
sin->sin_port = 0;
memset(sin->sin_zero, 0, sizeof(sin->sin_zero));
}
#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
else if (x->props.family == AF_INET6) {
addr->sadb_address_prefixlen = 128;
sin6 = (struct sockaddr_in6 *) (addr + 1);
sin6->sin6_family = AF_INET6;
sin6->sin6_port = 0;
sin6->sin6_flowinfo = 0;
memcpy(&sin6->sin6_addr,
x->id.daddr.a6, sizeof(struct in6_addr));
sin6->sin6_scope_id = 0;
}
#endif
else
addr->sadb_address_prefixlen =
pfkey_sockaddr_fill(&x->id.daddr, 0,
(struct sockaddr *) (addr + 1),
x->props.family);
if (!addr->sadb_address_prefixlen)
BUG();
pol = (struct sadb_x_policy *) skb_put(skb, sizeof(struct sadb_x_policy));
@ -3325,10 +3146,6 @@ static int pfkey_send_new_mapping(struct xfrm_state *x, xfrm_address_t *ipaddr,
struct sadb_sa *sa;
struct sadb_address *addr;
struct sadb_x_nat_t_port *n_port;
struct sockaddr_in *sin;
#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
struct sockaddr_in6 *sin6;
#endif
int sockaddr_size;
int size;
__u8 satype = (x->id.proto == IPPROTO_ESP ? SADB_SATYPE_ESP : 0);
@ -3392,29 +3209,11 @@ static int pfkey_send_new_mapping(struct xfrm_state *x, xfrm_address_t *ipaddr,
addr->sadb_address_exttype = SADB_EXT_ADDRESS_SRC;
addr->sadb_address_proto = 0;
addr->sadb_address_reserved = 0;
if (x->props.family == AF_INET) {
addr->sadb_address_prefixlen = 32;
sin = (struct sockaddr_in *) (addr + 1);
sin->sin_family = AF_INET;
sin->sin_addr.s_addr = x->props.saddr.a4;
sin->sin_port = 0;
memset(sin->sin_zero, 0, sizeof(sin->sin_zero));
}
#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
else if (x->props.family == AF_INET6) {
addr->sadb_address_prefixlen = 128;
sin6 = (struct sockaddr_in6 *) (addr + 1);
sin6->sin6_family = AF_INET6;
sin6->sin6_port = 0;
sin6->sin6_flowinfo = 0;
memcpy(&sin6->sin6_addr,
x->props.saddr.a6, sizeof(struct in6_addr));
sin6->sin6_scope_id = 0;
}
#endif
else
addr->sadb_address_prefixlen =
pfkey_sockaddr_fill(&x->props.saddr, 0,
(struct sockaddr *) (addr + 1),
x->props.family);
if (!addr->sadb_address_prefixlen)
BUG();
/* NAT_T_SPORT (old port) */
@ -3433,28 +3232,11 @@ static int pfkey_send_new_mapping(struct xfrm_state *x, xfrm_address_t *ipaddr,
addr->sadb_address_exttype = SADB_EXT_ADDRESS_DST;
addr->sadb_address_proto = 0;
addr->sadb_address_reserved = 0;
if (x->props.family == AF_INET) {
addr->sadb_address_prefixlen = 32;
sin = (struct sockaddr_in *) (addr + 1);
sin->sin_family = AF_INET;
sin->sin_addr.s_addr = ipaddr->a4;
sin->sin_port = 0;
memset(sin->sin_zero, 0, sizeof(sin->sin_zero));
}
#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
else if (x->props.family == AF_INET6) {
addr->sadb_address_prefixlen = 128;
sin6 = (struct sockaddr_in6 *) (addr + 1);
sin6->sin6_family = AF_INET6;
sin6->sin6_port = 0;
sin6->sin6_flowinfo = 0;
memcpy(&sin6->sin6_addr, &ipaddr->a6, sizeof(struct in6_addr));
sin6->sin6_scope_id = 0;
}
#endif
else
addr->sadb_address_prefixlen =
pfkey_sockaddr_fill(ipaddr, 0,
(struct sockaddr *) (addr + 1),
x->props.family);
if (!addr->sadb_address_prefixlen)
BUG();
/* NAT_T_DPORT (new port) */
@ -3472,10 +3254,6 @@ static int set_sadb_address(struct sk_buff *skb, int sasize, int type,
struct xfrm_selector *sel)
{
struct sadb_address *addr;
struct sockaddr_in *sin;
#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
struct sockaddr_in6 *sin6;
#endif
addr = (struct sadb_address *)skb_put(skb, sizeof(struct sadb_address) + sasize);
addr->sadb_address_len = (sizeof(struct sadb_address) + sasize)/8;
addr->sadb_address_exttype = type;
@ -3484,50 +3262,16 @@ static int set_sadb_address(struct sk_buff *skb, int sasize, int type,
switch (type) {
case SADB_EXT_ADDRESS_SRC:
if (sel->family == AF_INET) {
addr->sadb_address_prefixlen = sel->prefixlen_s;
sin = (struct sockaddr_in *)(addr + 1);
sin->sin_family = AF_INET;
memcpy(&sin->sin_addr.s_addr, &sel->saddr,
sizeof(sin->sin_addr.s_addr));
sin->sin_port = 0;
memset(sin->sin_zero, 0, sizeof(sin->sin_zero));
}
#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
else if (sel->family == AF_INET6) {
addr->sadb_address_prefixlen = sel->prefixlen_s;
sin6 = (struct sockaddr_in6 *)(addr + 1);
sin6->sin6_family = AF_INET6;
sin6->sin6_port = 0;
sin6->sin6_flowinfo = 0;
sin6->sin6_scope_id = 0;
memcpy(&sin6->sin6_addr.s6_addr, &sel->saddr,
sizeof(sin6->sin6_addr.s6_addr));
}
#endif
addr->sadb_address_prefixlen = sel->prefixlen_s;
pfkey_sockaddr_fill(&sel->saddr, 0,
(struct sockaddr *)(addr + 1),
sel->family);
break;
case SADB_EXT_ADDRESS_DST:
if (sel->family == AF_INET) {
addr->sadb_address_prefixlen = sel->prefixlen_d;
sin = (struct sockaddr_in *)(addr + 1);
sin->sin_family = AF_INET;
memcpy(&sin->sin_addr.s_addr, &sel->daddr,
sizeof(sin->sin_addr.s_addr));
sin->sin_port = 0;
memset(sin->sin_zero, 0, sizeof(sin->sin_zero));
}
#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
else if (sel->family == AF_INET6) {
addr->sadb_address_prefixlen = sel->prefixlen_d;
sin6 = (struct sockaddr_in6 *)(addr + 1);
sin6->sin6_family = AF_INET6;
sin6->sin6_port = 0;
sin6->sin6_flowinfo = 0;
sin6->sin6_scope_id = 0;
memcpy(&sin6->sin6_addr.s6_addr, &sel->daddr,
sizeof(sin6->sin6_addr.s6_addr));
}
#endif
addr->sadb_address_prefixlen = sel->prefixlen_d;
pfkey_sockaddr_fill(&sel->daddr, 0,
(struct sockaddr *)(addr + 1),
sel->family);
break;
default:
return -EINVAL;
@ -3542,10 +3286,8 @@ static int set_ipsecrequest(struct sk_buff *skb,
xfrm_address_t *src, xfrm_address_t *dst)
{
struct sadb_x_ipsecrequest *rq;
struct sockaddr_in *sin;
#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
struct sockaddr_in6 *sin6;
#endif
u8 *sa;
int socklen = pfkey_sockaddr_len(family);
int size_req;
size_req = sizeof(struct sadb_x_ipsecrequest) +
@ -3559,38 +3301,10 @@ static int set_ipsecrequest(struct sk_buff *skb,
rq->sadb_x_ipsecrequest_level = level;
rq->sadb_x_ipsecrequest_reqid = reqid;
switch (family) {
case AF_INET:
sin = (struct sockaddr_in *)(rq + 1);
sin->sin_family = AF_INET;
memcpy(&sin->sin_addr.s_addr, src,
sizeof(sin->sin_addr.s_addr));
sin++;
sin->sin_family = AF_INET;
memcpy(&sin->sin_addr.s_addr, dst,
sizeof(sin->sin_addr.s_addr));
break;
#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
case AF_INET6:
sin6 = (struct sockaddr_in6 *)(rq + 1);
sin6->sin6_family = AF_INET6;
sin6->sin6_port = 0;
sin6->sin6_flowinfo = 0;
sin6->sin6_scope_id = 0;
memcpy(&sin6->sin6_addr.s6_addr, src,
sizeof(sin6->sin6_addr.s6_addr));
sin6++;
sin6->sin6_family = AF_INET6;
sin6->sin6_port = 0;
sin6->sin6_flowinfo = 0;
sin6->sin6_scope_id = 0;
memcpy(&sin6->sin6_addr.s6_addr, dst,
sizeof(sin6->sin6_addr.s6_addr));
break;
#endif
default:
sa = (u8 *) (rq + 1);
if (!pfkey_sockaddr_fill(src, 0, (struct sockaddr *)sa, family) ||
!pfkey_sockaddr_fill(dst, 0, (struct sockaddr *)(sa + socklen), family))
return -EINVAL;
}
return 0;
}