| lists.openwall.net | lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC | |
|
Open Source and information security mailing list archives
| ||
|
Message-Id: <20070222.131048.72079218.yoshfuji@linux-ipv6.org>
Date: Thu, 22 Feb 2007 13:10:48 +0900 (JST)
From: YOSHIFUJI Hideaki / 吉藤英明
<yoshfuji@...ux-ipv6.org>
To: davem@...emloft.net
Cc: netdev@...r.kernel.org
Subject: [GIT PULL] IPv6 Updates for 2.6.21-rc1
Hello.
Here's several fixes on top of 2.6.21-rc1.
Changesets are available on the
2.6.21-rc1-inet6-20070222
branch at
<git://git.linux-ipv6.org/gitroot/yoshfuji/linux-2.6-fix.git>.
Regards,
---
HEADLINES
---------
[IPV6] ADDRCONF: Statically link __ipv6_addr_type() for sunrpc subsystem.
[IPV6] IP6TUNNEL: Use update_pmtu() of dst on xmit.
[IPV6] ADDRCONF: Manage prefix route corresponding to address manually added.
[IPV6] ADDRCONF: Register inet6_dev earlier.
[IPV4] devinet: Register inetdev earlier.
DIFFSTAT
--------
net/ipv4/devinet.c | 8 ++--
net/ipv6/Makefile | 2 -
net/ipv6/addrconf.c | 98 ++++++++++------------------------------------
net/ipv6/addrconf_core.c | 77 ++++++++++++++++++++++++++++++++++++
net/ipv6/ip6_tunnel.c | 7 +--
5 files changed, 107 insertions(+), 85 deletions(-)
CHANGESETS
----------
commit 86c7de5c5fd1b764ae17a91aed4a1744a842d006
Author: YOSHIFUJI Hideaki <yoshfuji@...ux-ipv6.org>
Date: Thu Feb 22 02:25:42 2007 +0900
[IPV6] ADDRCONF: Statically link __ipv6_addr_type() for sunrpc subsystem.
Link __ipv6_addr_type() statically for sunrpc code even if IPv6 is
built as module.
Signed-off-by: YOSHIFUJI Hidaki <yoshfuji@...ux-ipv6.org>
diff --git a/net/ipv6/Makefile b/net/ipv6/Makefile
index 8bacda1..d460017 100644
--- a/net/ipv6/Makefile
+++ b/net/ipv6/Makefile
@@ -32,6 +32,6 @@ obj-$(CONFIG_NETFILTER) += netfilter/
obj-$(CONFIG_IPV6_SIT) += sit.o
obj-$(CONFIG_IPV6_TUNNEL) += ip6_tunnel.o
-obj-y += exthdrs_core.o
+obj-y += addrconf_core.o exthdrs_core.o
obj-$(subst m,y,$(CONFIG_IPV6)) += inet6_hashtables.o
diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c
index 569a37d..524bffe 100644
--- a/net/ipv6/addrconf.c
+++ b/net/ipv6/addrconf.c
@@ -211,74 +211,6 @@ const struct in6_addr in6addr_any = IN6ADDR_ANY_INIT;
#endif
const struct in6_addr in6addr_loopback = IN6ADDR_LOOPBACK_INIT;
-#define IPV6_ADDR_SCOPE_TYPE(scope) ((scope) << 16)
-
-static inline unsigned ipv6_addr_scope2type(unsigned scope)
-{
- switch(scope) {
- case IPV6_ADDR_SCOPE_NODELOCAL:
- return (IPV6_ADDR_SCOPE_TYPE(IPV6_ADDR_SCOPE_NODELOCAL) |
- IPV6_ADDR_LOOPBACK);
- case IPV6_ADDR_SCOPE_LINKLOCAL:
- return (IPV6_ADDR_SCOPE_TYPE(IPV6_ADDR_SCOPE_LINKLOCAL) |
- IPV6_ADDR_LINKLOCAL);
- case IPV6_ADDR_SCOPE_SITELOCAL:
- return (IPV6_ADDR_SCOPE_TYPE(IPV6_ADDR_SCOPE_SITELOCAL) |
- IPV6_ADDR_SITELOCAL);
- }
- return IPV6_ADDR_SCOPE_TYPE(scope);
-}
-
-int __ipv6_addr_type(const struct in6_addr *addr)
-{
- __be32 st;
-
- st = addr->s6_addr32[0];
-
- /* Consider all addresses with the first three bits different of
- 000 and 111 as unicasts.
- */
- if ((st & htonl(0xE0000000)) != htonl(0x00000000) &&
- (st & htonl(0xE0000000)) != htonl(0xE0000000))
- return (IPV6_ADDR_UNICAST |
- IPV6_ADDR_SCOPE_TYPE(IPV6_ADDR_SCOPE_GLOBAL));
-
- if ((st & htonl(0xFF000000)) == htonl(0xFF000000)) {
- /* multicast */
- /* addr-select 3.1 */
- return (IPV6_ADDR_MULTICAST |
- ipv6_addr_scope2type(IPV6_ADDR_MC_SCOPE(addr)));
- }
-
- if ((st & htonl(0xFFC00000)) == htonl(0xFE800000))
- return (IPV6_ADDR_LINKLOCAL | IPV6_ADDR_UNICAST |
- IPV6_ADDR_SCOPE_TYPE(IPV6_ADDR_SCOPE_LINKLOCAL)); /* addr-select 3.1 */
- if ((st & htonl(0xFFC00000)) == htonl(0xFEC00000))
- return (IPV6_ADDR_SITELOCAL | IPV6_ADDR_UNICAST |
- IPV6_ADDR_SCOPE_TYPE(IPV6_ADDR_SCOPE_SITELOCAL)); /* addr-select 3.1 */
-
- if ((addr->s6_addr32[0] | addr->s6_addr32[1]) == 0) {
- if (addr->s6_addr32[2] == 0) {
- if (addr->s6_addr32[3] == 0)
- return IPV6_ADDR_ANY;
-
- if (addr->s6_addr32[3] == htonl(0x00000001))
- return (IPV6_ADDR_LOOPBACK | IPV6_ADDR_UNICAST |
- IPV6_ADDR_SCOPE_TYPE(IPV6_ADDR_SCOPE_LINKLOCAL)); /* addr-select 3.4 */
-
- return (IPV6_ADDR_COMPATv4 | IPV6_ADDR_UNICAST |
- IPV6_ADDR_SCOPE_TYPE(IPV6_ADDR_SCOPE_GLOBAL)); /* addr-select 3.3 */
- }
-
- if (addr->s6_addr32[2] == htonl(0x0000ffff))
- return (IPV6_ADDR_MAPPED |
- IPV6_ADDR_SCOPE_TYPE(IPV6_ADDR_SCOPE_GLOBAL)); /* addr-select 3.3 */
- }
-
- return (IPV6_ADDR_RESERVED |
- IPV6_ADDR_SCOPE_TYPE(IPV6_ADDR_SCOPE_GLOBAL)); /* addr-select 3.4 */
-}
-
static void addrconf_del_timer(struct inet6_ifaddr *ifp)
{
if (del_timer(&ifp->timer))
diff --git a/net/ipv6/addrconf_core.c b/net/ipv6/addrconf_core.c
new file mode 100644
index 0000000..70a05d6
--- /dev/null
+++ b/net/ipv6/addrconf_core.c
@@ -0,0 +1,77 @@
+/*
+ * IPv6 library code, needed by static components when full IPv6 support is
+ * not configured or static.
+ */
+
+#include <net/ipv6.h>
+
+#define IPV6_ADDR_SCOPE_TYPE(scope) ((scope) << 16)
+
+static inline unsigned ipv6_addr_scope2type(unsigned scope)
+{
+ switch(scope) {
+ case IPV6_ADDR_SCOPE_NODELOCAL:
+ return (IPV6_ADDR_SCOPE_TYPE(IPV6_ADDR_SCOPE_NODELOCAL) |
+ IPV6_ADDR_LOOPBACK);
+ case IPV6_ADDR_SCOPE_LINKLOCAL:
+ return (IPV6_ADDR_SCOPE_TYPE(IPV6_ADDR_SCOPE_LINKLOCAL) |
+ IPV6_ADDR_LINKLOCAL);
+ case IPV6_ADDR_SCOPE_SITELOCAL:
+ return (IPV6_ADDR_SCOPE_TYPE(IPV6_ADDR_SCOPE_SITELOCAL) |
+ IPV6_ADDR_SITELOCAL);
+ }
+ return IPV6_ADDR_SCOPE_TYPE(scope);
+}
+
+int __ipv6_addr_type(const struct in6_addr *addr)
+{
+ __be32 st;
+
+ st = addr->s6_addr32[0];
+
+ /* Consider all addresses with the first three bits different of
+ 000 and 111 as unicasts.
+ */
+ if ((st & htonl(0xE0000000)) != htonl(0x00000000) &&
+ (st & htonl(0xE0000000)) != htonl(0xE0000000))
+ return (IPV6_ADDR_UNICAST |
+ IPV6_ADDR_SCOPE_TYPE(IPV6_ADDR_SCOPE_GLOBAL));
+
+ if ((st & htonl(0xFF000000)) == htonl(0xFF000000)) {
+ /* multicast */
+ /* addr-select 3.1 */
+ return (IPV6_ADDR_MULTICAST |
+ ipv6_addr_scope2type(IPV6_ADDR_MC_SCOPE(addr)));
+ }
+
+ if ((st & htonl(0xFFC00000)) == htonl(0xFE800000))
+ return (IPV6_ADDR_LINKLOCAL | IPV6_ADDR_UNICAST |
+ IPV6_ADDR_SCOPE_TYPE(IPV6_ADDR_SCOPE_LINKLOCAL)); /* addr-select 3.1 */
+ if ((st & htonl(0xFFC00000)) == htonl(0xFEC00000))
+ return (IPV6_ADDR_SITELOCAL | IPV6_ADDR_UNICAST |
+ IPV6_ADDR_SCOPE_TYPE(IPV6_ADDR_SCOPE_SITELOCAL)); /* addr-select 3.1 */
+
+ if ((addr->s6_addr32[0] | addr->s6_addr32[1]) == 0) {
+ if (addr->s6_addr32[2] == 0) {
+ if (addr->s6_addr32[3] == 0)
+ return IPV6_ADDR_ANY;
+
+ if (addr->s6_addr32[3] == htonl(0x00000001))
+ return (IPV6_ADDR_LOOPBACK | IPV6_ADDR_UNICAST |
+ IPV6_ADDR_SCOPE_TYPE(IPV6_ADDR_SCOPE_LINKLOCAL)); /* addr-select 3.4 */
+
+ return (IPV6_ADDR_COMPATv4 | IPV6_ADDR_UNICAST |
+ IPV6_ADDR_SCOPE_TYPE(IPV6_ADDR_SCOPE_GLOBAL)); /* addr-select 3.3 */
+ }
+
+ if (addr->s6_addr32[2] == htonl(0x0000ffff))
+ return (IPV6_ADDR_MAPPED |
+ IPV6_ADDR_SCOPE_TYPE(IPV6_ADDR_SCOPE_GLOBAL)); /* addr-select 3.3 */
+ }
+
+ return (IPV6_ADDR_RESERVED |
+ IPV6_ADDR_SCOPE_TYPE(IPV6_ADDR_SCOPE_GLOBAL)); /* addr-select 3.4 */
+}
+
+EXPORT_SYMBOL_GPL(__ipv6_addr_type);
+
---
commit ffa4900bc14a9a61f4049740e10011bb834f96a1
Author: Yasuyuki Kozakai <yasuyuki.kozakai@...hiba.co.jp>
Date: Sun Sep 10 03:59:17 2006 +0900
[IPV6] IP6TUNNEL: Use update_pmtu() of dst on xmit.
Signed-off-by: Yasuyuki Kozakai <yasuyuki.kozakai@...hiba.co.jp>
Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@...ux-ipv6.org>
diff --git a/net/ipv6/ip6_tunnel.c b/net/ipv6/ip6_tunnel.c
index 662edb8..08d9442 100644
--- a/net/ipv6/ip6_tunnel.c
+++ b/net/ipv6/ip6_tunnel.c
@@ -727,11 +727,8 @@ ip6ip6_tnl_xmit(struct sk_buff *skb, struct net_device *dev)
}
if (mtu < IPV6_MIN_MTU)
mtu = IPV6_MIN_MTU;
- if (skb->dst && mtu < dst_mtu(skb->dst)) {
- struct rt6_info *rt = (struct rt6_info *) skb->dst;
- rt->rt6i_flags |= RTF_MODIFIED;
- rt->u.dst.metrics[RTAX_MTU-1] = mtu;
- }
+ if (skb->dst)
+ skb->dst->ops->update_pmtu(skb->dst, mtu);
if (skb->len > mtu) {
icmpv6_send(skb, ICMPV6_PKT_TOOBIG, 0, mtu, dev);
goto tx_err_dst_release;
---
commit 180c099c00cddb13c3e672d08403a26ae37cf121
Author: YOSHIFUJI Hideaki <yoshfuji@...ux-ipv6.org>
Date: Wed Feb 7 20:36:26 2007 +0900
[IPV6] ADDRCONF: Manage prefix route corresponding to address manually added.
It is more natural to manage prefix routes corresponding to address which is
being added manually.
With help from Masafumi Aramoto <aramoto@...ux-ipv6.org>.
Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@...ux-ipv6.org>
diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c
index 524bffe..7a2a715 100644
--- a/net/ipv6/addrconf.c
+++ b/net/ipv6/addrconf.c
@@ -1842,6 +1842,7 @@ static int inet6_addr_add(int ifindex, struct in6_addr *pfx, int plen,
struct inet6_dev *idev;
struct net_device *dev;
int scope;
+ u32 flags = RTF_EXPIRES;
ASSERT_RTNL();
@@ -1857,9 +1858,10 @@ static int inet6_addr_add(int ifindex, struct in6_addr *pfx, int plen,
scope = ipv6_addr_scope(pfx);
- if (valid_lft == INFINITY_LIFE_TIME)
+ if (valid_lft == INFINITY_LIFE_TIME) {
ifa_flags |= IFA_F_PERMANENT;
- else if (valid_lft >= 0x7FFFFFFF/HZ)
+ flags = 0;
+ } else if (valid_lft >= 0x7FFFFFFF/HZ)
valid_lft = 0x7FFFFFFF/HZ;
if (prefered_lft == 0)
@@ -1877,6 +1879,8 @@ static int inet6_addr_add(int ifindex, struct in6_addr *pfx, int plen,
ifp->tstamp = jiffies;
spin_unlock_bh(&ifp->lock);
+ addrconf_prefix_route(&ifp->addr, ifp->prefix_len, dev,
+ jiffies_to_clock_t(valid_lft * HZ), flags);
addrconf_dad_start(ifp, 0);
in6_ifa_put(ifp);
addrconf_verify(0);
@@ -2056,6 +2060,7 @@ static void addrconf_add_linklocal(struct inet6_dev *idev, struct in6_addr *addr
ifp = ipv6_add_addr(idev, addr, 64, IFA_LINK, IFA_F_PERMANENT);
if (!IS_ERR(ifp)) {
+ addrconf_prefix_route(&ifp->addr, ifp->prefix_len, idev->dev, 0, 0);
addrconf_dad_start(ifp, 0);
in6_ifa_put(ifp);
}
@@ -2470,10 +2475,6 @@ static void addrconf_dad_start(struct inet6_ifaddr *ifp, u32 flags)
addrconf_join_solict(dev, &ifp->addr);
- if (ifp->prefix_len != 128 && (ifp->flags&IFA_F_PERMANENT))
- addrconf_prefix_route(&ifp->addr, ifp->prefix_len, dev, 0,
- flags);
-
net_srandom(ifp->addr.s6_addr32[3]);
read_lock_bh(&idev->lock);
@@ -2904,12 +2905,15 @@ inet6_rtm_deladdr(struct sk_buff *skb, struct nlmsghdr *nlh, void *arg)
static int inet6_addr_modify(struct inet6_ifaddr *ifp, u8 ifa_flags,
u32 prefered_lft, u32 valid_lft)
{
+ u32 flags = RTF_EXPIRES;
+
if (!valid_lft || (prefered_lft > valid_lft))
return -EINVAL;
- if (valid_lft == INFINITY_LIFE_TIME)
+ if (valid_lft == INFINITY_LIFE_TIME) {
ifa_flags |= IFA_F_PERMANENT;
- else if (valid_lft >= 0x7FFFFFFF/HZ)
+ flags = 0;
+ } else if (valid_lft >= 0x7FFFFFFF/HZ)
valid_lft = 0x7FFFFFFF/HZ;
if (prefered_lft == 0)
@@ -2928,6 +2932,8 @@ static int inet6_addr_modify(struct inet6_ifaddr *ifp, u8 ifa_flags,
if (!(ifp->flags&IFA_F_TENTATIVE))
ipv6_ifa_notify(0, ifp);
+ addrconf_prefix_route(&ifp->addr, ifp->prefix_len, ifp->idev->dev,
+ jiffies_to_clock_t(valid_lft * HZ), flags);
addrconf_verify(0);
return 0;
---
commit d7f8bd761615bcf8afa25bdacc846f7151453282
Author: YOSHIFUJI Hideaki <yoshfuji@...ux-ipv6.org>
Date: Thu Feb 15 02:07:27 2007 +0900
[IPV6] ADDRCONF: Register inet6_dev earlier.
Allocate inet6_dev earlier to allow users to set up per-interface variables.
Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@...ux-ipv6.org>
diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c
index 7a2a715..f6ac65d 100644
--- a/net/ipv6/addrconf.c
+++ b/net/ipv6/addrconf.c
@@ -2177,6 +2177,14 @@ static int addrconf_notify(struct notifier_block *this, unsigned long event,
int run_pending = 0;
switch(event) {
+ case NETDEV_REGISTER:
+ if (!idev) {
+ idev = ipv6_add_dev(dev);
+ if (!idev)
+ printk(KERN_WARNING "IPv6: add_dev failed for %s\n",
+ dev->name);
+ }
+ break;
case NETDEV_UP:
case NETDEV_CHANGE:
if (event == NETDEV_UP) {
---
commit aa982ef9501211ce49ab9c4a1126810bf32a8f60
Author: Herbert Xu <herbert@...dor.apana.org.au>
Date: Thu Feb 22 01:53:47 2007 +0900
[IPV4] devinet: Register inetdev earlier.
This patch allocates inetdev at registration for all devices
in line with IPv6. This allows sysctl configuration on the
devices to occur before they're brought up or addresses are
added.
Signed-off-by: Herbert Xu <herbert@...dor.apana.org.au>
Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@...ux-ipv6.org>
diff --git a/net/ipv4/devinet.c b/net/ipv4/devinet.c
index 8a0ec10..e10794d 100644
--- a/net/ipv4/devinet.c
+++ b/net/ipv4/devinet.c
@@ -1054,12 +1054,14 @@ static int inetdev_event(struct notifier_block *this, unsigned long event,
ASSERT_RTNL();
if (!in_dev) {
- if (event == NETDEV_REGISTER && dev == &loopback_dev) {
+ if (event == NETDEV_REGISTER) {
in_dev = inetdev_init(dev);
if (!in_dev)
panic("devinet: Failed to create loopback\n");
- in_dev->cnf.no_xfrm = 1;
- in_dev->cnf.no_policy = 1;
+ if (dev == &loopback_dev) {
+ in_dev->cnf.no_xfrm = 1;
+ in_dev->cnf.no_policy = 1;
+ }
}
goto out;
}
---
-
To unsubscribe from this list: send the line "unsubscribe netdev" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Powered by blists - more mailing lists