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* [NETFILTER]: nf_conntrack/nf_nat: add PPTP helper portPatrick McHardy2006-12-03
| | | | | | | | Add nf_conntrack port of the PPtP conntrack/NAT helper. Since there seems to be no IPv6-capable PPtP implementation the helper only support IPv4. Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NETFILTER]: nf_conntrack: add NetBIOS name service helper portPatrick McHardy2006-12-03
| | | | | | | Add nf_conntrack port of the NetBIOS name service conntrack helper. Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NETFILTER]: nf_conntrack/nf_nat: add IRC helper portPatrick McHardy2006-12-03
| | | | | | | | Add nf_conntrack port of the IRC conntrack/NAT helper. Since DCC doesn't support IPv6 yet, the helper is still IPv4 only. Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NETFILTER]: nf_conntrack/nf_nat: add H.323 helper portPatrick McHardy2006-12-03
| | | | | | | Add IPv4 and IPv6 capable nf_conntrack port of the H.323 conntrack/NAT helper. Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NETFILTER]: nf_conntrack/nf_nat: add amanda helper portPatrick McHardy2006-12-03
| | | | | | | Add IPv4 and IPv6 capable nf_conntrack port of the Amanda conntrack/NAT helper. Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NETFILTER]: nf_conntrack: add helper function for expectation initializationPatrick McHardy2006-12-03
| | | | | | | | | Expectation address masks need to be differently initialized depending on the address family, create helper function to avoid cluttering up the code too much. Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NETFILTER]: nf_nat: add FTP NAT helper portJozsef Kadlecsik2006-12-03
| | | | | | | | | | Add FTP NAT helper. Split out from Jozsef's big nf_nat patch with a few small fixes by myself. Signed-off-by: Jozsef Kadlecsik <kadlec@blackhole.kfki.hu> Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NETFILTER]: Add NAT support for nf_conntrackJozsef Kadlecsik2006-12-03
| | | | | | | | | Add NAT support for nf_conntrack. Joint work of Jozsef Kadlecsik, Yasuyuki Kozakai, Martin Josefsson and myself. Signed-off-by: Jozsef Kadlecsik <kadlec@blackhole.kfki.hu> Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NETFILTER]: nf_conntrack: add module aliases to IPv4 conntrack namesPatrick McHardy2006-12-03
| | | | | Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NETFILTER]: Kconfig: improve conntrack selectionPatrick McHardy2006-12-03
| | | | | | | | | Improve the connection tracking selection (well, the user experience, not really the aesthetics) by offering one option to enable connection tracking and a choice between the implementations. Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NETFILTER]: nf_conntrack: automatic helper assignment for expectationsPatrick McHardy2006-12-03
| | | | | | | | | | | | | | | | | Some helpers (namely H.323) manually assign further helpers to expected connections. This is not possible with nf_conntrack anymore since we need to know whether a helper is used at allocation time. Handle the helper assignment centrally, which allows to perform the correct allocation and as a nice side effect eliminates the need for the H.323 helper to fiddle with nf_conntrack_lock. Mid term the allocation scheme really needs to be redesigned since we do both the helper and expectation lookup _twice_ for every new connection. Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NETFILTER]: nf_conntrack: endian annotationsPatrick McHardy2006-12-03
| | | | | | | | Resync with Al Viro's ip_conntrack annotations and fix a missed spot in ip_nat_proto_icmp.c. Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NETFILTER]: nf_conntrack: fix helper structure alignmentPatrick McHardy2006-12-03
| | | | | | | | | | Adding the alignment to the size doesn't make any sense, what it should do is align the size of the conntrack structure to the alignment requirements of the helper structure and return an aligned pointer in nfct_help(). Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NETFILTER]: nf_conntrack: fix NF_CONNTRACK_PROC_COMPAT dependencyPatrick McHardy2006-12-03
| | | | | | | NF_CONNTRACK_PROC_COMPAT depends on NF_CONNTRACK_IPV4, not NF_CONNTRACK. Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NET]: Accept wildcard delimiters in in[46]_ptonPatrick McHardy2006-12-03
| | | | | | | | | Accept -1 as delimiter to abort parsing without an error at the first unknown character. This is needed by the upcoming nf_conntrack SIP helper, where addresses are delimited by either '\r' or '\n' characters. Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* [PKT_SCHED] act_gact: division by zeroKim Nordlund2006-12-03
| | | | | | | | Not returning -EINVAL, because someone might want to use the value zero in some future gact_prob algorithm? Signed-off-by: Kim Nordlund <kim.nordlund@nokia.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [GENETLINK]: Add cmd dump completion.Jamal Hadi Salim2006-12-03
| | | | | | | | Remove assumption that generic netlink commands cannot have dump completion callbacks. Signed-off-by: Jamal Hadi Salim <hadi@cyberus.ca> Signed-off-by: David S. Miller <davem@davemloft.net>
* [ATM]: Kill ipcommon.[ch]David S. Miller2006-12-03
| | | | | | | All that remained was skb_migrate() and that was overkill for what the two call sites were trying to do. Signed-off-by: David S. Miller <davem@davemloft.net>
* [NET_SCHED]: policer: restore compatibility with old iproute binariesPatrick McHardy2006-12-03
| | | | | | | | | | | | | | The tc actions increased the size of struct tc_police, which broke compatibility with old iproute binaries since both the act_police and the old NET_CLS_POLICE code check for an exact size match. Since the new members are not even used, the simple fix is to also accept the size of the old structure. Dumping is not affected since old userspace will receive a bigger structure, which is handled fine. Signed-off-by: Patrick McHardy <kaber@trash.net> Acked-by: Jamal Hadi Salim <hadi@cyberus.ca> Signed-off-by: David S. Miller <davem@davemloft.net>
* [PKT_SCHED]: Remove unused exports.Adrian Bunk2006-12-03
| | | | | | | | | | | This patch removes the following unused EXPORT_SYMBOL's: - sch_api.c: qdisc_lookup - sch_generic.c: __netdev_watchdog_up - sch_generic.c: noop_qdisc_ops - sch_generic.c: qdisc_alloc Signed-off-by: Adrian Bunk <bunk@stusta.de> Signed-off-by: David S. Miller <davem@davemloft.net>
* [EBTABLES]: Split ebt_replace into user and kernel variants, annotate.Al Viro2006-12-03
| | | | | Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: David S. Miller <davem@davemloft.net>
* [EBTABLES]: Clean ebt_register_table() up.Al Viro2006-12-03
| | | | | Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: David S. Miller <davem@davemloft.net>
* [EBTABLES]: Move calls of ebt_verify_pointers() upstream.Al Viro2006-12-03
| | | | | | | ... and pass just repl->name to translate_table() Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: David S. Miller <davem@davemloft.net>
* [EBTABLES]: ebt_check_entry() doesn't need valid_hooksAl Viro2006-12-03
| | | | | | | | We can check newinfo->hook_entry[...] instead. Kill unused argument. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: David S. Miller <davem@davemloft.net>
* [EBTABLES]: Clean ebt_get_udc_positions() up.Al Viro2006-12-03
| | | | | | | | Check for valid_hooks is redundant (newinfo->hook_entry[i] will be NULL if bit i is not set). Kill it, kill unused arguments. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: David S. Miller <davem@davemloft.net>
* [EBTABLES]: Switch ebt_check_entry_size_and_hooks() to use of ↵Al Viro2006-12-03
| | | | | | | | | newinfo->hook_entry[] kill unused arguments Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: David S. Miller <davem@davemloft.net>
* [EBTABLES]: translate_table(): switch direct uses of repl->hook_info to newinfoAl Viro2006-12-03
| | | | | | | | Since newinfo->hook_table[] already has been set up, we can switch to using it instead of repl->{hook_info,valid_hooks}. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: David S. Miller <davem@davemloft.net>
* [EBTABLES]: Move more stuff into ebt_verify_pointers().Al Viro2006-12-03
| | | | | | | | | | | | Take intialization of ->hook_entry[...], ->entries_size and ->nentries over there, pull the check for empty chains into the end of that sucker. Now it's self-contained, so we can move it up in the very beginning of translate_table() *and* we can rely on ->hook_entry[] being properly transliterated after it. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: David S. Miller <davem@davemloft.net>
* [EBTABLES]: Pull the loop doing __ebt_verify_pointers() into a separate ↵Al Viro2006-12-03
| | | | | | | | | | function. It's easier to expand the iterator here *and* we'll be able to move all uses of ebt_replace from translate_table() into this one. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: David S. Miller <davem@davemloft.net>
* [EBTABLES]: Split ebt_check_entry_size_and_hooksAl Viro2006-12-03
| | | | | | | | | | | | | | | | Split ebt_check_entry_size_and_hooks() in two parts - one that does sanity checks on pointers (basically, checks that we can safely use iterator from now on) and the rest of it (looking into details of entry). The loop applying ebt_check_entry_size_and_hooks() is split in two. Populating newinfo->hook_entry[] is done in the first part. Unused arguments killed. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: David S. Miller <davem@davemloft.net>
* [EBTABLES]: Prevent wraparounds in checks for entry components' sizes.Al Viro2006-12-03
| | | | | Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: David S. Miller <davem@davemloft.net>
* [EBTABLES]: Deal with the worst-case behaviour in loop checks.Al Viro2006-12-03
| | | | | | | | | No need to revisit a chain we'd already finished with during the check for current hook. It's either instant loop (which we'd just detected) or a duplicate work. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: David S. Miller <davem@davemloft.net>
* [EBTABLES]: Verify that ebt_entries have zero ->distinguisher.Al Viro2006-12-03
| | | | | | | We need that for iterator to work; existing check had been too weak. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: David S. Miller <davem@davemloft.net>
* [EBTABLES]: Fix wraparounds in ebt_entries verification.Al Viro2006-12-03
| | | | | | | | | | | We need to verify that a) we are not too close to the end of buffer to dereference b) next entry we'll be checking won't be _before_ our While we are at it, don't subtract unrelated pointers... Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: David S. Miller <davem@davemloft.net>
* [TCP]: Fix warnings with TCP_MD5SIG disabled.Andrew Morton2006-12-03
| | | | | Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NET]: Possible cleanups.Adrian Bunk2006-12-03
| | | | | | | | | | | | | | | | | | This patch contains the following possible cleanups: - make the following needlessly global functions statis: - ipv4/tcp.c: __tcp_alloc_md5sig_pool() - ipv4/tcp_ipv4.c: tcp_v4_reqsk_md5_lookup() - ipv4/udplite.c: udplite_rcv() - ipv4/udplite.c: udplite_err() - make the following needlessly global structs static: - ipv4/tcp_ipv4.c: tcp_request_sock_ipv4_ops - ipv4/tcp_ipv4.c: tcp_sock_ipv4_specific - ipv6/tcp_ipv6.c: tcp_request_sock_ipv6_ops - net/ipv{4,6}/udplite.c: remove inline's from static functions (gcc should know best when to inline them) Signed-off-by: Adrian Bunk <bunk@stusta.de> Signed-off-by: David S. Miller <davem@davemloft.net>
* [IPSEC]: Add AF_KEY interface for encapsulation family.Miika Komu2006-12-03
| | | | | | Signed-off-by: Miika Komu <miika@iki.fi> Signed-off-by: Diego Beltrami <Diego.Beltrami@hiit.fi> Signed-off-by: Kazunori Miyazawa <miyazawa@linux-ipv6.org>
* [IPSEC]: Add netlink interface for the encapsulation family.Miika Komu2006-12-03
| | | | | | | Signed-off-by: Miika Komu <miika@iki.fi> Signed-off-by: Diego Beltrami <Diego.Beltrami@hiit.fi> Signed-off-by: Kazunori Miyazawa <miyazawa@linux-ipv6.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* [IPSEC]: Add encapsulation family.Miika Komu2006-12-03
| | | | | | | Signed-off-by: Miika Komu <miika@iki.fi> Signed-off-by: Diego Beltrami <Diego.Beltrami@hiit.fi> Signed-off-by: Kazunori Miyazawa <miyazawa@linux-ipv6.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* [TCP] MD5SIG: Kill CONFIG_TCP_MD5SIG_DEBUG.David S. Miller2006-12-03
| | | | | | | It just obfuscates the code and adds limited value. And as Adrian Bunk noticed, it lacked Kconfig help text too, so just kill it. Signed-off-by: David S. Miller <davem@davemloft.net>
* [NET_SCHED]: Fix endless loops (part 5): netem/tbf/hfsc ->requeue failuresPatrick McHardy2006-12-03
| | | | | | | | | | | | When peeking at the next packet in a child qdisc by calling dequeue/requeue, the upper qdisc qlen counter may get out of sync in case the requeue fails. The qdisc and the child qdisc both have their counter decremented, but since no packet is given to the upper qdisc it won't decrement its counter itself. requeue should not fail, so this is mostly for "correctness". Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NET_SCHED]: Fix endless loops (part 4): HTBPatrick McHardy2006-12-03
| | | | | | | | Convert HTB to use qdisc_tree_decrease_len() and add a callback for deactivating a class when its child queue becomes empty. Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NET_SCHED]: Fix endless loops (part 3): HFSCPatrick McHardy2006-12-03
| | | | | | | | | | | | | Convert HFSC to use qdisc_tree_decrease_len() and add a callback for deactivating a class when its child queue becomes empty. All queue purging goes through hfsc_purge_queue(), which is used in three cases: grafting, class creation (when a leaf class is turned into an intermediate class by attaching a new class) and class deletion. In all cases qdisc_tree_decrease_len() is needed. Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NET_SCHED]: Fix endless loops (part 2): "simple" qdiscsPatrick McHardy2006-12-03
| | | | | | | | | | | | Convert the "simple" qdiscs to use qdisc_tree_decrease_qlen() where necessary: - all graft operations - destruction of old child qdiscs in prio, red and tbf change operation - purging of queue in sfq change operation Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NET_SCHED]: Fix endless loops caused by inaccurate qlen counters (part 1)Patrick McHardy2006-12-03
| | | | | | | | | | | | | | | | | | | | | | | | There are multiple problems related to qlen adjustment that can lead to an upper qdisc getting out of sync with the real number of packets queued, leading to endless dequeueing attempts by the upper layer code. All qdiscs must maintain an accurate q.qlen counter. There are basically two groups of operations affecting the qlen: operations that propagate down the tree (enqueue, dequeue, requeue, drop, reset) beginning at the root qdisc and operations only affecting a subtree or single qdisc (change, graft, delete class). Since qlen changes during operations from the second group don't propagate to ancestor qdiscs, their qlen values become desynchronized. This patch adds a function to propagate qlen changes up the qdisc tree, optionally calling a callback function to perform qdisc-internal maintenance when the child qdisc becomes empty. The follow-up patches will convert all qdiscs to use this function where necessary. Noticed by Timo Steinbach <tsteinbach@astaro.com>. Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NET_SCHED]: Set parent classid in default qdiscsPatrick McHardy2006-12-03
| | | | | | | | Set parent classids in default qdiscs to allow walking up the tree from outside the qdiscs. This is needed by the next patch. Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NET_SCHED]: sch_htb: perform qlen adjustment immediately in ->deletePatrick McHardy2006-12-03
| | | | | | | | | | | qlen adjustment should happen immediately in ->delete and not in the class destroy function because the reference count will not hit zero in ->delete (sch_api holds a reference) but in ->put. Since the qdisc lock is released between deletion of the class and final destruction this creates an externally visible error in the qlen counter. Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* NetLabel: add the ranged tag to the CIPSOv4 protocolPaul Moore2006-12-03
| | | | | | | | | | | | | | | Add support for the ranged tag (tag type #5) to the CIPSOv4 protocol. The ranged tag allows for seven, or eight if zero is the lowest category, category ranges to be specified in a CIPSO option. Each range is specified by two unsigned 16 bit fields, each with a maximum value of 65534. The two values specify the start and end of the category range; if the start of the category range is zero then it is omitted. See Documentation/netlabel/draft-ietf-cipso-ipsecurity-01.txt for more details. Signed-off-by: Paul Moore <paul.moore@hp.com> Signed-off-by: James Morris <jmorris@namei.org>
* NetLabel: add the enumerated tag to the CIPSOv4 protocolPaul Moore2006-12-03
| | | | | | | | | | | | Add support for the enumerated tag (tag type #2) to the CIPSOv4 protocol. The enumerated tag allows for 15 categories to be specified in a CIPSO option, where each category is an unsigned 16 bit field with a maximum value of 65534. See Documentation/netlabel/draft-ietf-cipso-ipsecurity-01.txt for more details. Signed-off-by: Paul Moore <paul.moore@hp.com> Signed-off-by: James Morris <jmorris@namei.org>
* NetLabel: convert to an extensibile/sparse category bitmapPaul Moore2006-12-03
| | | | | | | | | | | | | | | | The original NetLabel category bitmap was a straight char bitmap which worked fine for the initial release as it only supported 240 bits due to limitations in the CIPSO restricted bitmap tag (tag type 0x01). This patch converts that straight char bitmap into an extensibile/sparse bitmap in order to lay the foundation for other CIPSO tag types and protocols. This patch also has a nice side effect in that all of the security attributes passed by NetLabel into the LSM are now in a format which is in the host's native byte/bit ordering which makes the LSM specific code much simpler; look at the changes in security/selinux/ss/ebitmap.c as an example. Signed-off-by: Paul Moore <paul.moore@hp.com> Signed-off-by: James Morris <jmorris@namei.org>
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