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netfilter: remove ip_queue support

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This patch removes ip_queue support which was marked as obsolete
years ago. The nfnetlink_queue modules provides more advanced
user-space packet queueing mechanism.

This patch also removes capability code included in SELinux that
refers to ip_queue. Otherwise, we break compilation.

Several warning has been sent regarding this to the mailing list
in the past month without anyone rising the hand to stop this
with some strong argument.

Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
This commit is contained in:
Pablo Neira Ayuso 2012-05-08 19:45:28 +02:00
commit d16cf20e2f
10 changed files with 10 additions and 1393 deletions
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1
include/linux/netfilter_ipv4/Kbuild
View file

@ -1,4 +1,3 @@
header-y += ip_queue.h
header-y += ip_tables.h
header-y += ipt_CLUSTERIP.h
header-y += ipt_ECN.h

72
include/linux/netfilter_ipv4/ip_queue.h
View file

@ -1,72 +0,0 @@
/*
* This is a module which is used for queueing IPv4 packets and
* communicating with userspace via netlink.
*
* (C) 2000 James Morris, this code is GPL.
*/
#ifndef _IP_QUEUE_H
#define _IP_QUEUE_H
#ifdef __KERNEL__
#ifdef DEBUG_IPQ
#define QDEBUG(x...) printk(KERN_DEBUG ## x)
#else
#define QDEBUG(x...)
#endif /* DEBUG_IPQ */
#else
#include <net/if.h>
#endif /* ! __KERNEL__ */
/* Messages sent from kernel */
typedef struct ipq_packet_msg {
unsigned long packet_id; /* ID of queued packet */
unsigned long mark; /* Netfilter mark value */
long timestamp_sec; /* Packet arrival time (seconds) */
long timestamp_usec; /* Packet arrvial time (+useconds) */
unsigned int hook; /* Netfilter hook we rode in on */
char indev_name[IFNAMSIZ]; /* Name of incoming interface */
char outdev_name[IFNAMSIZ]; /* Name of outgoing interface */
__be16 hw_protocol; /* Hardware protocol (network order) */
unsigned short hw_type; /* Hardware type */
unsigned char hw_addrlen; /* Hardware address length */
unsigned char hw_addr[8]; /* Hardware address */
size_t data_len; /* Length of packet data */
unsigned char payload[0]; /* Optional packet data */
} ipq_packet_msg_t;
/* Messages sent from userspace */
typedef struct ipq_mode_msg {
unsigned char value; /* Requested mode */
size_t range; /* Optional range of packet requested */
} ipq_mode_msg_t;
typedef struct ipq_verdict_msg {
unsigned int value; /* Verdict to hand to netfilter */
unsigned long id; /* Packet ID for this verdict */
size_t data_len; /* Length of replacement data */
unsigned char payload[0]; /* Optional replacement packet */
} ipq_verdict_msg_t;
typedef struct ipq_peer_msg {
union {
ipq_verdict_msg_t verdict;
ipq_mode_msg_t mode;
} msg;
} ipq_peer_msg_t;
/* Packet delivery modes */
enum {
IPQ_COPY_NONE, /* Initial mode, packets are dropped */
IPQ_COPY_META, /* Copy metadata */
IPQ_COPY_PACKET /* Copy metadata + packet (range) */
};
#define IPQ_COPY_MAX IPQ_COPY_PACKET
/* Types of messages */
#define IPQM_BASE 0x10 /* standard netlink messages below this */
#define IPQM_MODE (IPQM_BASE + 1) /* Mode request from peer */
#define IPQM_VERDICT (IPQM_BASE + 2) /* Verdict from peer */
#define IPQM_PACKET (IPQM_BASE + 3) /* Packet from kernel */
#define IPQM_MAX (IPQM_BASE + 4)
#endif /*_IP_QUEUE_H*/

2
include/linux/netlink.h
View file

@ -7,7 +7,7 @@
#define NETLINK_ROUTE 0 /* Routing/device hook */
#define NETLINK_UNUSED 1 /* Unused number */
#define NETLINK_USERSOCK 2 /* Reserved for user mode socket protocols */
#define NETLINK_FIREWALL 3 /* Firewalling hook */
#define NETLINK_FIREWALL 3 /* Unused number, formerly ip_queue */
#define NETLINK_SOCK_DIAG 4 /* socket monitoring */
#define NETLINK_NFLOG 5 /* netfilter/iptables ULOG */
#define NETLINK_XFRM 6 /* ipsec */