- 03 12月, 2006 30 次提交
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由 Patrick McHardy 提交于
Add new NFLOG target to allow use of nfnetlink_log for both IPv4 and IPv6. Currently we have two (unsupported by userspace) hacks in the LOG and ULOG targets to optionally call to the nflog API. They lack a few features, namely the IPv4 and IPv6 LOG targets can not specify a number of arguments related to nfnetlink_log, while the ULOG target is only available for IPv4. Remove those hacks and add a clean way to use nfnetlink_log. Signed-off-by: NPatrick McHardy <kaber@trash.net>
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由 Patrick McHardy 提交于
Signed-off-by: NPatrick McHardy <kaber@trash.net>
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由 Patrick McHardy 提交于
There is no reason for limiting netlink attributes in size. Signed-off-by: NPatrick McHardy <kaber@trash.net>
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由 Eric Leblond 提交于
Signed-off-by: NEric Leblond <eric@inl.fr> Signed-off-by: NPatrick McHardy <kaber@trash.net>
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由 Pablo Neira Ayuso 提交于
| NEW | UPDATE | DESTROY | ----------------------------------------| tuples | Y | Y | Y | status | Y | Y | N | timeout | Y | Y | N | protoinfo | S | S | N | helper | S | S | N | mark | S | S | N | counters | F | F | Y | Leyend: Y: yes N: no S: iif the field is set F: iif overflow This patch also replace IPCT_HELPINFO by IPCT_HELPER since we want to track the helper assignation process, not the changes in the private information held by the helper. Signed-off-by: NPablo Neira Ayuso <pablo@netfilter.org> Signed-off-by: NPatrick McHardy <kaber@trash.net>
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由 Pablo Neira Ayuso 提交于
Check that status flags are available in the netlink message received to create a new conntrack. Signed-off-by: NPablo Neira Ayuso <pablo@netfilter.org> Signed-off-by: NPatrick McHardy <kaber@trash.net>
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由 Patrick McHardy 提交于
The NAT helpr hooks are protected by RCU, but all of the conntrack helpers test and use the global pointers instead of copying them first using rcu_dereference() Also replace synchronize_net() by synchronize_rcu() for clarity since sychronizing only with packet receive processing is insufficient to prevent races. Signed-off-by: NPatrick McHardy <kaber@trash.net>
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由 Yasuyuki Kozakai 提交于
We usually uses 'xxx_find_get' for function which increments reference count. Signed-off-by: NYasuyuki Kozakai <yasuyuki.kozakai@toshiba.co.jp> Signed-off-by: NPatrick McHardy <kaber@trash.net>
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由 Patrick McHardy 提交于
This patch adds /proc/net/ip_conntrack, /proc/net/ip_conntrack_expect and /proc/net/stat/ip_conntrack files to keep old programs using them working. The /proc/net/ip_conntrack and /proc/net/ip_conntrack_expect files show only IPv4 entries, the /proc/net/stat/ip_conntrack shows global statistics. Signed-off-by: NPatrick McHardy <kaber@trash.net>
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由 Patrick McHardy 提交于
This patch adds an option to keep the connection tracking sysctls visible under their old names. Signed-off-by: NPatrick McHardy <kaber@trash.net>
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由 Patrick McHardy 提交于
Signed-off-by: NPatrick McHardy <kaber@trash.net>
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由 Patrick McHardy 提交于
Add helper functions for sysctl registration with optional instantiating of common path elements (like net/netfilter) and use it for support for automatic registation of conntrack protocol sysctls. Signed-off-by: NPatrick McHardy <kaber@trash.net>
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由 Patrick McHardy 提交于
Using extern in a C file is a bad idea because the compiler can't catch type errors. Signed-off-by: NPatrick McHardy <kaber@trash.net>
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由 Patrick McHardy 提交于
Signed-off-by: NPatrick McHardy <kaber@trash.net>
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由 Martin Josefsson 提交于
Only update the conntrack timer if there's been at least HZ jiffies since the last update. Reduces the number of del_timer/add_timer cycles from one per packet to one per connection per second (plus once for each state change of a connection) Should handle timer wraparounds and connection timeout changes. Signed-off-by: NMartin Josefsson <gandalf@wlug.westbo.se> Signed-off-by: NPatrick McHardy <kaber@trash.net>
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由 Martin Josefsson 提交于
Minor whitespace cleanup. Signed-off-by: NMartin Josefsson <gandalf@wlug.westbo.se> Signed-off-by: NPatrick McHardy <kaber@trash.net>
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由 Martin Josefsson 提交于
Remove the usage of ASSERT_READ_LOCK/ASSERT_WRITE_LOCK in nf_conntrack, it didn't do anything, it was just an empty define and it uglified the code. Signed-off-by: NMartin Josefsson <gandalf@wlug.westbo.se> Signed-off-by: NPatrick McHardy <kaber@trash.net>
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由 Martin Josefsson 提交于
Add some more sanity checks when registering/unregistering l3/l4 protocols. Signed-off-by: NMartin Josefsson <gandalf@wlug.westbo.se> Signed-off-by: NPatrick McHardy <kaber@trash.net>
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由 Martin Josefsson 提交于
Rename 'struct nf_conntrack_protocol' to 'struct nf_conntrack_l4proto' in order to help distinguish it from 'struct nf_conntrack_l3proto'. It gets rather confusing with 'nf_conntrack_protocol'. Signed-off-by: NMartin Josefsson <gandalf@wlug.westbo.se> Signed-off-by: NPatrick McHardy <kaber@trash.net>
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由 Martin Josefsson 提交于
Place rarely written variables in the read-mostly section by using __read_mostly Signed-off-by: NMartin Josefsson <gandalf@wlug.westbo.se> Signed-off-by: NPatrick McHardy <kaber@trash.net>
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由 Martin Josefsson 提交于
This patch splits out L3/L4 protocol handling into its own file nf_conntrack_proto.c Signed-off-by: NMartin Josefsson <gandalf@wlug.westbo.se> Signed-off-by: NPatrick McHardy <kaber@trash.net>
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由 Martin Josefsson 提交于
This patch splits out the event cache into its own file nf_conntrack_ecache.c Signed-off-by: NMartin Josefsson <gandalf@wlug.westbo.se> Signed-off-by: NPatrick McHardy <kaber@trash.net>
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由 Martin Josefsson 提交于
This patch splits out handling of helpers into its own file nf_conntrack_helper.c Signed-off-by: NMartin Josefsson <gandalf@wlug.westbo.se> Signed-off-by: NPatrick McHardy <kaber@trash.net>
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由 Martin Josefsson 提交于
This patch splits out expectation handling into its own file nf_conntrack_expect.c Signed-off-by: NMartin Josefsson <gandalf@wlug.westbo.se> Signed-off-by: NPatrick McHardy <kaber@trash.net>
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由 Thomas Graf 提交于
The destination PID is passed directly to netlink_unicast() respectively netlink_multicast(). Signed-off-by: NThomas Graf <tgraf@suug.ch> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Al Viro 提交于
Signed-off-by: NAl Viro <viro@zeniv.linux.org.uk> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Al Viro 提交于
Signed-off-by: NAl Viro <viro@zeniv.linux.org.uk> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Gerrit Renker 提交于
This is a revision of the previously submitted patch, which alters the way files are organized and compiled in the following manner: * UDP and UDP-Lite now use separate object files * source file dependencies resolved via header files net/ipv{4,6}/udp_impl.h * order of inclusion files in udp.c/udplite.c adapted accordingly [NET/IPv4]: Support for the UDP-Lite protocol (RFC 3828) This patch adds support for UDP-Lite to the IPv4 stack, provided as an extension to the existing UDPv4 code: * generic routines are all located in net/ipv4/udp.c * UDP-Lite specific routines are in net/ipv4/udplite.c * MIB/statistics support in /proc/net/snmp and /proc/net/udplite * shared API with extensions for partial checksum coverage [NET/IPv6]: Extension for UDP-Lite over IPv6 It extends the existing UDPv6 code base with support for UDP-Lite in the same manner as per UDPv4. In particular, * UDPv6 generic and shared code is in net/ipv6/udp.c * UDP-Litev6 specific extensions are in net/ipv6/udplite.c * MIB/statistics support in /proc/net/snmp6 and /proc/net/udplite6 * support for IPV6_ADDRFORM * aligned the coding style of protocol initialisation with af_inet6.c * made the error handling in udpv6_queue_rcv_skb consistent; to return `-1' on error on all error cases * consolidation of shared code [NET]: UDP-Lite Documentation and basic XFRM/Netfilter support The UDP-Lite patch further provides * API documentation for UDP-Lite * basic xfrm support * basic netfilter support for IPv4 and IPv6 (LOG target) Signed-off-by: NGerrit Renker <gerrit@erg.abdn.ac.uk> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Thomas Graf 提交于
nfmark is being used in various subsystems and has become the defacto mark field for all kinds of packets. Therefore it makes sense to rename it to `mark' and remove the dependency on CONFIG_NETFILTER. Signed-off-by: NThomas Graf <tgraf@suug.ch> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Al Viro 提交于
Signed-off-by: NAl Viro <viro@zeniv.linux.org.uk> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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- 29 11月, 2006 4 次提交
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由 Yasuyuki Kozakai 提交于
All users of __{ip,nf}_conntrack_expect_find() don't expect that it increments the reference count of expectation. Signed-off-by: NYasuyuki Kozakai <yasuyuki.kozakai@toshiba.co.jp> Signed-off-by: NPatrick McHardy <kaber@trash.net> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Patrick McHardy 提交于
When NFA_NEST exceeds the skb size the protocol reference is leaked. Signed-off-by: NPatrick McHardy <kaber@trash.net> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Yasuyuki Kozakai 提交于
The found helper cannot be assigned to conntrack after unlocking nf_conntrack_lock. This tries to find helper to assign again. Signed-off-by: NYasuyuki Kozakai <yasuyuki.kozakai@toshiba.co.jp> Signed-off-by: NPatrick McHardy <kaber@trash.net> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Yasuyuki Kozakai 提交于
This fixes the bug which doesn't assign helper to newly created conntrack via nf_conntrack_netlink. Signed-off-by: NYasuyuki Kozakai <yasuyuki.kozakai@toshiba.co.jp> Signed-off-by: NPatrick McHardy <kaber@trash.net> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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- 16 11月, 2006 2 次提交
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由 Patrick McHardy 提交于
Based on patch by James D. Nurmi: I've got some code very dependant on nfnetlink_queue, and turned up a large number of warns coming from skb_trim. While it's quite possibly my code, having not seen it on older kernels made me a bit suspect. Anyhow, based on some googling I turned up this thread: http://lkml.org/lkml/2006/8/13/56 And believe the issue to be related, so attached is a small patch to the kernel -- not sure if this is completely correct, but for anyone else hitting the WARN_ON(1) in skbuff.h, it might be helpful.. Signed-off-by: NJames D. Nurmi <jdnurmi@gmail.com> Ported to ip6_queue and nfnetlink_queue and added return value checks. Signed-off-by: NPatrick McHardy <kaber@trash.net> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Patrick McHardy 提交于
NFULA_SEQ_GLOBAL should be in network byteorder. Spotted by Al Viro. Signed-off-by: NPatrick McHardy <kaber@trash.net> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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- 06 11月, 2006 3 次提交
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由 Al Viro 提交于
htons() is not needed (and no, it's not misspelled ntohs() - userland expects net-endian here). Signed-off-by: NAl Viro <viro@zeniv.linux.org.uk> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Al Viro 提交于
Signed-off-by: NAl Viro <viro@zeniv.linux.org.uk> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Al Viro 提交于
Signed-off-by: NAl Viro <viro@zeniv.linux.org.uk> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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- 31 10月, 2006 1 次提交
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由 Martin Josefsson 提交于
Add missing unlock in get_next_corpse() in nf_conntrack. It was missed during the removal of listhelp.h . Also remove an unneeded use of nf_ct_tuplehash_to_ctrack() in the same function. Should be applied before 2.6.19 is released. Signed-off-by: NMartin Josefsson <gandalf@wlug.westbo.se> Signed-off-by: NPatrick McHardy <kaber@trash.net> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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