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Jan Engelhardt a7d51738e7 netfilter: xtables: ignore unassigned hooks in check_entry_size_and_hooks 
The "hook_entry" and "underflow" array contains values even for hooks
not provided, such as PREROUTING in conjunction with the "filter"
table. Usually, the values point to whatever the next rule is. For
the upcoming unconditionality and underflow checking patches however,
we must not inspect that arbitrary rule.

Skipping unassigned hooks seems like a good idea, also because
newinfo->hook_entry and newinfo->underflow will then continue to have
the poison value for detecting abnormalities.

Signed-off-by: Jan Engelhardt <jengelh@medozas.de>
 		2009-08-10 13:35:28 +02:00
..
Kconfig netfilter: Kconfig spelling fixes (trivial) 2009-03-16 15:17:23 +01:00
Makefile netfilter: Combine ipt_ttl and ip6t_hl source 2009-02-18 18:39:31 +01:00
arp_tables.c netfilter: xtables: ignore unassigned hooks in check_entry_size_and_hooks 2009-08-10 13:35:28 +02:00
arpt_mangle.c netfilter: xtables: move extension arguments into compound structure (5/6) 2008-10-08 11:35:19 +02:00
arptable_filter.c netfilter: x_tables: remove unneeded initializations 2009-02-18 16:30:20 +01:00
ip_queue.c netfilter: queue: use NFPROTO_ for queue callsites 2009-05-08 10:30:46 +02:00
ip_tables.c netfilter: xtables: ignore unassigned hooks in check_entry_size_and_hooks 2009-08-10 13:35:28 +02:00
ipt_CLUSTERIP.c net: replace NIPQUAD() in net/ipv4/netfilter/ 2008-10-31 00:53:08 -07:00
ipt_ECN.c netfilter: xtables: move extension arguments into compound structure (5/6) 2008-10-08 11:35:19 +02:00
ipt_LOG.c netfilter: use a linked list of loggers 2009-03-16 14:54:21 +01:00
ipt_MASQUERADE.c Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next-2.6 2009-06-11 16:00:49 +02:00
ipt_NETMAP.c netfilter: xtables: move extension arguments into compound structure (5/6) 2008-10-08 11:35:19 +02:00
ipt_REDIRECT.c netfilter: xtables: move extension arguments into compound structure (5/6) 2008-10-08 11:35:19 +02:00
ipt_REJECT.c net: skb->dst accessors 2009-06-03 02:51:04 -07:00
ipt_ULOG.c netfilter: use a linked list of loggers 2009-03-16 14:54:21 +01:00
ipt_addrtype.c netfilter: netns-aware ipt_addrtype 2008-11-04 14:21:48 +01:00
ipt_ah.c netfilter: xtables: move extension arguments into compound structure (2/6) 2008-10-08 11:35:18 +02:00
ipt_ecn.c netfilter: xtables: move extension arguments into compound structure (2/6) 2008-10-08 11:35:18 +02:00
iptable_filter.c netfilter: xtables: switch table AFs to nfproto 2009-08-10 13:35:23 +02:00
iptable_mangle.c netfilter: xtables: switch table AFs to nfproto 2009-08-10 13:35:23 +02:00
iptable_raw.c netfilter: xtables: switch table AFs to nfproto 2009-08-10 13:35:23 +02:00
iptable_security.c netfilter: xtables: switch table AFs to nfproto 2009-08-10 13:35:23 +02:00
nf_conntrack_l3proto_ipv4.c netfilter: conntrack: switch hook PFs to nfproto 2009-08-10 13:35:20 +02:00
nf_conntrack_l3proto_ipv4_compat.c netfilter: nf_conntrack: use SLAB_DESTROY_BY_RCU and get rid of call_rcu() 2009-03-25 21:05:46 +01:00
nf_conntrack_proto_icmp.c netfilter: nf_ct_icmp: keep the ICMP ct entries longer 2009-06-08 15:53:43 +02:00
nf_defrag_ipv4.c netfilter: restore lost #ifdef guarding defrag exception 2008-10-14 11:56:59 -07:00
nf_nat_amanda.c [NETFILTER]: remove unneeded rcu_dereference() calls 2007-11-07 04:08:23 -08:00
nf_nat_core.c netfilter: nf_nat: add support for persistent mappings 2009-04-16 18:33:01 +02:00
nf_nat_ftp.c [NETFILTER]: remove unneeded rcu_dereference() calls 2007-11-07 04:08:23 -08:00
nf_nat_h323.c net: replace NIPQUAD() in net/ipv4/netfilter/ 2008-10-31 00:53:08 -07:00
nf_nat_helper.c netfilter: tcp conntrack: fix unacknowledged data detection with NAT 2009-06-29 14:07:56 +02:00
nf_nat_irc.c net: replace NIPQUAD() in net/ipv4/netfilter/ 2008-10-31 00:53:08 -07:00
nf_nat_pptp.c netfilter: netns nat: PPTP NAT in netns 2008-10-08 11:35:11 +02:00
nf_nat_proto_common.c nf_nat: use secure_ipv4_port_ephemeral() for NAT port randomization 2008-08-18 21:32:32 -07:00
nf_nat_proto_dccp.c [NETFILTER]: nf_conntrack: const annotations in nf_conntrack_sctp, nf_nat_proto_gre 2008-04-14 11:15:54 +02:00
nf_nat_proto_gre.c [NETFILTER]: nf_conntrack: const annotations in nf_conntrack_sctp, nf_nat_proto_gre 2008-04-14 11:15:54 +02:00
nf_nat_proto_icmp.c [NETFILTER]: nf_nat: use bool type in nf_nat_proto 2008-04-14 11:15:53 +02:00
nf_nat_proto_sctp.c netfilter: Fix extra semi-colon in skb_walk_frags() changes. 2009-06-09 18:05:28 -07:00
nf_nat_proto_tcp.c [NETFILTER]: nf_nat: use bool type in nf_nat_proto 2008-04-14 11:15:53 +02:00
nf_nat_proto_udp.c [NETFILTER]: nf_nat: use bool type in nf_nat_proto 2008-04-14 11:15:53 +02:00
nf_nat_proto_udplite.c [NETFILTER]: nf_nat: use bool type in nf_nat_proto 2008-04-14 11:15:53 +02:00
nf_nat_proto_unknown.c [NETFILTER]: nf_nat: use bool type in nf_nat_proto 2008-04-14 11:15:53 +02:00
nf_nat_rule.c netfilter: xtables: switch table AFs to nfproto 2009-08-10 13:35:23 +02:00
nf_nat_sip.c net: replace NIPQUAD() in net/ipv4/netfilter/ 2008-10-31 00:53:08 -07:00
nf_nat_snmp_basic.c net: replace uses of __constant_{endian} 2009-02-01 00:45:17 -08:00
nf_nat_standalone.c netfilter: xtables: switch hook PFs to nfproto 2009-08-10 13:35:21 +02:00
nf_nat_tftp.c [NETFILTER]: nf_{conntrack,nat}_tftp: annotate TFTP helper with const 2008-01-31 19:28:08 -08:00