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UAPI: (Scripted) Disintegrate include/linux/netfilter_ipv4

David Howells committed 14 years ago

Commit 17c07591 parent 55c5cd313 files · +241 −226Browse files

Showing the changes to include/uapi/linux (11 of 13 files). Show all

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11 files
  1. include/uapi/linux/netfilter_ipv4/Kbuild +10 −0
  2. include/uapi/linux/netfilter_ipv4/ip_tables.h +229 −0
  3. include/uapi/linux/netfilter_ipv4/ipt_CLUSTERIP.h +36 −0
  4. include/uapi/linux/netfilter_ipv4/ipt_ECN.h +33 −0
  5. include/uapi/linux/netfilter_ipv4/ipt_LOG.h +21 −0
  6. include/uapi/linux/netfilter_ipv4/ipt_REJECT.h +20 −0
  7. include/uapi/linux/netfilter_ipv4/ipt_TTL.h +23 −0
  8. include/uapi/linux/netfilter_ipv4/ipt_ULOG.h +49 −0
  9. include/uapi/linux/netfilter_ipv4/ipt_ah.h +17 −0
  10. include/uapi/linux/netfilter_ipv4/ipt_ecn.h +15 −0
  11. include/uapi/linux/netfilter_ipv4/ipt_ttl.h +23 −0
include/uapi/linux/netfilter_ipv4/Kbuild+10−0
@@ -1 +1,11 @@
11 # UAPI Header export list
2+header-y += ip_tables.h
3+header-y += ipt_CLUSTERIP.h
4+header-y += ipt_ECN.h
5+header-y += ipt_LOG.h
6+header-y += ipt_REJECT.h
7+header-y += ipt_TTL.h
8+header-y += ipt_ULOG.h
9+header-y += ipt_ah.h
10+header-y += ipt_ecn.h
11+header-y += ipt_ttl.h
include/uapi/linux/netfilter_ipv4/ip_tables.h+229−0
@@ -0,0 +1,229 @@
1+/*
2+ * 25-Jul-1998 Major changes to allow for ip chain table
3+ *
4+ * 3-Jan-2000 Named tables to allow packet selection for different uses.
5+ */
6+
7+/*
8+ * Format of an IP firewall descriptor
9+ *
10+ * src, dst, src_mask, dst_mask are always stored in network byte order.
11+ * flags are stored in host byte order (of course).
12+ * Port numbers are stored in HOST byte order.
13+ */
14+
15+#ifndef _UAPI_IPTABLES_H
16+#define _UAPI_IPTABLES_H
17+
18+#include <linux/types.h>
19+#include <linux/compiler.h>
20+#include <linux/netfilter_ipv4.h>
21+
22+#include <linux/netfilter/x_tables.h>
23+
24+#ifndef __KERNEL__
25+#define IPT_FUNCTION_MAXNAMELEN XT_FUNCTION_MAXNAMELEN
26+#define IPT_TABLE_MAXNAMELEN XT_TABLE_MAXNAMELEN
27+#define ipt_match xt_match
28+#define ipt_target xt_target
29+#define ipt_table xt_table
30+#define ipt_get_revision xt_get_revision
31+#define ipt_entry_match xt_entry_match
32+#define ipt_entry_target xt_entry_target
33+#define ipt_standard_target xt_standard_target
34+#define ipt_error_target xt_error_target
35+#define ipt_counters xt_counters
36+#define IPT_CONTINUE XT_CONTINUE
37+#define IPT_RETURN XT_RETURN
38+
39+/* This group is older than old (iptables < v1.4.0-rc1~89) */
40+#include <linux/netfilter/xt_tcpudp.h>
41+#define ipt_udp xt_udp
42+#define ipt_tcp xt_tcp
43+#define IPT_TCP_INV_SRCPT XT_TCP_INV_SRCPT
44+#define IPT_TCP_INV_DSTPT XT_TCP_INV_DSTPT
45+#define IPT_TCP_INV_FLAGS XT_TCP_INV_FLAGS
46+#define IPT_TCP_INV_OPTION XT_TCP_INV_OPTION
47+#define IPT_TCP_INV_MASK XT_TCP_INV_MASK
48+#define IPT_UDP_INV_SRCPT XT_UDP_INV_SRCPT
49+#define IPT_UDP_INV_DSTPT XT_UDP_INV_DSTPT
50+#define IPT_UDP_INV_MASK XT_UDP_INV_MASK
51+
52+/* The argument to IPT_SO_ADD_COUNTERS. */
53+#define ipt_counters_info xt_counters_info
54+/* Standard return verdict, or do jump. */
55+#define IPT_STANDARD_TARGET XT_STANDARD_TARGET
56+/* Error verdict. */
57+#define IPT_ERROR_TARGET XT_ERROR_TARGET
58+
59+/* fn returns 0 to continue iteration */
60+#define IPT_MATCH_ITERATE(e, fn, args...) \
61+ XT_MATCH_ITERATE(struct ipt_entry, e, fn, ## args)
62+
63+/* fn returns 0 to continue iteration */
64+#define IPT_ENTRY_ITERATE(entries, size, fn, args...) \
65+ XT_ENTRY_ITERATE(struct ipt_entry, entries, size, fn, ## args)
66+#endif
67+
68+/* Yes, Virginia, you have to zero the padding. */
69+struct ipt_ip {
70+ /* Source and destination IP addr */
71+ struct in_addr src, dst;
72+ /* Mask for src and dest IP addr */
73+ struct in_addr smsk, dmsk;
74+ char iniface[IFNAMSIZ], outiface[IFNAMSIZ];
75+ unsigned char iniface_mask[IFNAMSIZ], outiface_mask[IFNAMSIZ];
76+
77+ /* Protocol, 0 = ANY */
78+ __u16 proto;
79+
80+ /* Flags word */
81+ __u8 flags;
82+ /* Inverse flags */
83+ __u8 invflags;
84+};
85+
86+/* Values for "flag" field in struct ipt_ip (general ip structure). */
87+#define IPT_F_FRAG 0x01 /* Set if rule is a fragment rule */
88+#define IPT_F_GOTO 0x02 /* Set if jump is a goto */
89+#define IPT_F_MASK 0x03 /* All possible flag bits mask. */
90+
91+/* Values for "inv" field in struct ipt_ip. */
92+#define IPT_INV_VIA_IN 0x01 /* Invert the sense of IN IFACE. */
93+#define IPT_INV_VIA_OUT 0x02 /* Invert the sense of OUT IFACE */
94+#define IPT_INV_TOS 0x04 /* Invert the sense of TOS. */
95+#define IPT_INV_SRCIP 0x08 /* Invert the sense of SRC IP. */
96+#define IPT_INV_DSTIP 0x10 /* Invert the sense of DST OP. */
97+#define IPT_INV_FRAG 0x20 /* Invert the sense of FRAG. */
98+#define IPT_INV_PROTO XT_INV_PROTO
99+#define IPT_INV_MASK 0x7F /* All possible flag bits mask. */
100+
101+/* This structure defines each of the firewall rules. Consists of 3
102+ parts which are 1) general IP header stuff 2) match specific
103+ stuff 3) the target to perform if the rule matches */
104+struct ipt_entry {
105+ struct ipt_ip ip;
106+
107+ /* Mark with fields that we care about. */
108+ unsigned int nfcache;
109+
110+ /* Size of ipt_entry + matches */
111+ __u16 target_offset;
112+ /* Size of ipt_entry + matches + target */
113+ __u16 next_offset;
114+
115+ /* Back pointer */
116+ unsigned int comefrom;
117+
118+ /* Packet and byte counters. */
119+ struct xt_counters counters;
120+
121+ /* The matches (if any), then the target. */
122+ unsigned char elems[0];
123+};
124+
125+/*
126+ * New IP firewall options for [gs]etsockopt at the RAW IP level.
127+ * Unlike BSD Linux inherits IP options so you don't have to use a raw
128+ * socket for this. Instead we check rights in the calls.
129+ *
130+ * ATTENTION: check linux/in.h before adding new number here.
131+ */
132+#define IPT_BASE_CTL 64
133+
134+#define IPT_SO_SET_REPLACE (IPT_BASE_CTL)
135+#define IPT_SO_SET_ADD_COUNTERS (IPT_BASE_CTL + 1)
136+#define IPT_SO_SET_MAX IPT_SO_SET_ADD_COUNTERS
137+
138+#define IPT_SO_GET_INFO (IPT_BASE_CTL)
139+#define IPT_SO_GET_ENTRIES (IPT_BASE_CTL + 1)
140+#define IPT_SO_GET_REVISION_MATCH (IPT_BASE_CTL + 2)
141+#define IPT_SO_GET_REVISION_TARGET (IPT_BASE_CTL + 3)
142+#define IPT_SO_GET_MAX IPT_SO_GET_REVISION_TARGET
143+
144+/* ICMP matching stuff */
145+struct ipt_icmp {
146+ __u8 type; /* type to match */
147+ __u8 code[2]; /* range of code */
148+ __u8 invflags; /* Inverse flags */
149+};
150+
151+/* Values for "inv" field for struct ipt_icmp. */
152+#define IPT_ICMP_INV 0x01 /* Invert the sense of type/code test */
153+
154+/* The argument to IPT_SO_GET_INFO */
155+struct ipt_getinfo {
156+ /* Which table: caller fills this in. */
157+ char name[XT_TABLE_MAXNAMELEN];
158+
159+ /* Kernel fills these in. */
160+ /* Which hook entry points are valid: bitmask */
161+ unsigned int valid_hooks;
162+
163+ /* Hook entry points: one per netfilter hook. */
164+ unsigned int hook_entry[NF_INET_NUMHOOKS];
165+
166+ /* Underflow points. */
167+ unsigned int underflow[NF_INET_NUMHOOKS];
168+
169+ /* Number of entries */
170+ unsigned int num_entries;
171+
172+ /* Size of entries. */
173+ unsigned int size;
174+};
175+
176+/* The argument to IPT_SO_SET_REPLACE. */
177+struct ipt_replace {
178+ /* Which table. */
179+ char name[XT_TABLE_MAXNAMELEN];
180+
181+ /* Which hook entry points are valid: bitmask. You can't
182+ change this. */
183+ unsigned int valid_hooks;
184+
185+ /* Number of entries */
186+ unsigned int num_entries;
187+
188+ /* Total size of new entries */
189+ unsigned int size;
190+
191+ /* Hook entry points. */
192+ unsigned int hook_entry[NF_INET_NUMHOOKS];
193+
194+ /* Underflow points. */
195+ unsigned int underflow[NF_INET_NUMHOOKS];
196+
197+ /* Information about old entries: */
198+ /* Number of counters (must be equal to current number of entries). */
199+ unsigned int num_counters;
200+ /* The old entries' counters. */
201+ struct xt_counters __user *counters;
202+
203+ /* The entries (hang off end: not really an array). */
204+ struct ipt_entry entries[0];
205+};
206+
207+/* The argument to IPT_SO_GET_ENTRIES. */
208+struct ipt_get_entries {
209+ /* Which table: user fills this in. */
210+ char name[XT_TABLE_MAXNAMELEN];
211+
212+ /* User fills this in: total entry size. */
213+ unsigned int size;
214+
215+ /* The entries. */
216+ struct ipt_entry entrytable[0];
217+};
218+
219+/* Helper functions */
220+static __inline__ struct xt_entry_target *
221+ipt_get_target(struct ipt_entry *e)
222+{
223+ return (void *)e + e->target_offset;
224+}
225+
226+/*
227+ * Main firewall chains definitions and global var's definitions.
228+ */
229+#endif /* _UAPI_IPTABLES_H */
include/uapi/linux/netfilter_ipv4/ipt_CLUSTERIP.h+36−0
@@ -0,0 +1,36 @@
1+#ifndef _IPT_CLUSTERIP_H_target
2+#define _IPT_CLUSTERIP_H_target
3+
4+#include <linux/types.h>
5+
6+enum clusterip_hashmode {
7+ CLUSTERIP_HASHMODE_SIP = 0,
8+ CLUSTERIP_HASHMODE_SIP_SPT,
9+ CLUSTERIP_HASHMODE_SIP_SPT_DPT,
10+};
11+
12+#define CLUSTERIP_HASHMODE_MAX CLUSTERIP_HASHMODE_SIP_SPT_DPT
13+
14+#define CLUSTERIP_MAX_NODES 16
15+
16+#define CLUSTERIP_FLAG_NEW 0x00000001
17+
18+struct clusterip_config;
19+
20+struct ipt_clusterip_tgt_info {
21+
22+ __u32 flags;
23+
24+ /* only relevant for new ones */
25+ __u8 clustermac[6];
26+ __u16 num_total_nodes;
27+ __u16 num_local_nodes;
28+ __u16 local_nodes[CLUSTERIP_MAX_NODES];
29+ __u32 hash_mode;
30+ __u32 hash_initval;
31+
32+ /* Used internally by the kernel */
33+ struct clusterip_config *config;
34+};
35+
36+#endif /*_IPT_CLUSTERIP_H_target*/
include/uapi/linux/netfilter_ipv4/ipt_ECN.h+33−0
@@ -0,0 +1,33 @@
1+/* Header file for iptables ipt_ECN target
2+ *
3+ * (C) 2002 by Harald Welte <laforge@gnumonks.org>
4+ *
5+ * This software is distributed under GNU GPL v2, 1991
6+ *
7+ * ipt_ECN.h,v 1.3 2002/05/29 12:17:40 laforge Exp
8+*/
9+#ifndef _IPT_ECN_TARGET_H
10+#define _IPT_ECN_TARGET_H
11+
12+#include <linux/types.h>
13+#include <linux/netfilter/xt_DSCP.h>
14+
15+#define IPT_ECN_IP_MASK (~XT_DSCP_MASK)
16+
17+#define IPT_ECN_OP_SET_IP 0x01 /* set ECN bits of IPv4 header */
18+#define IPT_ECN_OP_SET_ECE 0x10 /* set ECE bit of TCP header */
19+#define IPT_ECN_OP_SET_CWR 0x20 /* set CWR bit of TCP header */
20+
21+#define IPT_ECN_OP_MASK 0xce
22+
23+struct ipt_ECN_info {
24+ __u8 operation; /* bitset of operations */
25+ __u8 ip_ect; /* ECT codepoint of IPv4 header, pre-shifted */
26+ union {
27+ struct {
28+ __u8 ece:1, cwr:1; /* TCP ECT bits */
29+ } tcp;
30+ } proto;
31+};
32+
33+#endif /* _IPT_ECN_TARGET_H */
include/uapi/linux/netfilter_ipv4/ipt_LOG.h+21−0
@@ -0,0 +1,21 @@
1+#ifndef _IPT_LOG_H
2+#define _IPT_LOG_H
3+
4+#warning "Please update iptables, this file will be removed soon!"
5+
6+/* make sure not to change this without changing netfilter.h:NF_LOG_* (!) */
7+#define IPT_LOG_TCPSEQ 0x01 /* Log TCP sequence numbers */
8+#define IPT_LOG_TCPOPT 0x02 /* Log TCP options */
9+#define IPT_LOG_IPOPT 0x04 /* Log IP options */
10+#define IPT_LOG_UID 0x08 /* Log UID owning local socket */
11+#define IPT_LOG_NFLOG 0x10 /* Unsupported, don't reuse */
12+#define IPT_LOG_MACDECODE 0x20 /* Decode MAC header */
13+#define IPT_LOG_MASK 0x2f
14+
15+struct ipt_log_info {
16+ unsigned char level;
17+ unsigned char logflags;
18+ char prefix[30];
19+};
20+
21+#endif /*_IPT_LOG_H*/
include/uapi/linux/netfilter_ipv4/ipt_REJECT.h+20−0
@@ -0,0 +1,20 @@
1+#ifndef _IPT_REJECT_H
2+#define _IPT_REJECT_H
3+
4+enum ipt_reject_with {
5+ IPT_ICMP_NET_UNREACHABLE,
6+ IPT_ICMP_HOST_UNREACHABLE,
7+ IPT_ICMP_PROT_UNREACHABLE,
8+ IPT_ICMP_PORT_UNREACHABLE,
9+ IPT_ICMP_ECHOREPLY,
10+ IPT_ICMP_NET_PROHIBITED,
11+ IPT_ICMP_HOST_PROHIBITED,
12+ IPT_TCP_RESET,
13+ IPT_ICMP_ADMIN_PROHIBITED
14+};
15+
16+struct ipt_reject_info {
17+ enum ipt_reject_with with; /* reject type */
18+};
19+
20+#endif /*_IPT_REJECT_H*/
include/uapi/linux/netfilter_ipv4/ipt_TTL.h+23−0
@@ -0,0 +1,23 @@
1+/* TTL modification module for IP tables
2+ * (C) 2000 by Harald Welte <laforge@netfilter.org> */
3+
4+#ifndef _IPT_TTL_H
5+#define _IPT_TTL_H
6+
7+#include <linux/types.h>
8+
9+enum {
10+ IPT_TTL_SET = 0,
11+ IPT_TTL_INC,
12+ IPT_TTL_DEC
13+};
14+
15+#define IPT_TTL_MAXMODE IPT_TTL_DEC
16+
17+struct ipt_TTL_info {
18+ __u8 mode;
19+ __u8 ttl;
20+};
21+
22+
23+#endif
include/uapi/linux/netfilter_ipv4/ipt_ULOG.h+49−0
@@ -0,0 +1,49 @@
1+/* Header file for IP tables userspace logging, Version 1.8
2+ *
3+ * (C) 2000-2002 by Harald Welte <laforge@gnumonks.org>
4+ *
5+ * Distributed under the terms of GNU GPL */
6+
7+#ifndef _IPT_ULOG_H
8+#define _IPT_ULOG_H
9+
10+#ifndef NETLINK_NFLOG
11+#define NETLINK_NFLOG 5
12+#endif
13+
14+#define ULOG_DEFAULT_NLGROUP 1
15+#define ULOG_DEFAULT_QTHRESHOLD 1
16+
17+#define ULOG_MAC_LEN 80
18+#define ULOG_PREFIX_LEN 32
19+
20+#define ULOG_MAX_QLEN 50
21+/* Why 50? Well... there is a limit imposed by the slab cache 131000
22+ * bytes. So the multipart netlink-message has to be < 131000 bytes.
23+ * Assuming a standard ethernet-mtu of 1500, we could define this up
24+ * to 80... but even 50 seems to be big enough. */
25+
26+/* private data structure for each rule with a ULOG target */
27+struct ipt_ulog_info {
28+ unsigned int nl_group;
29+ size_t copy_range;
30+ size_t qthreshold;
31+ char prefix[ULOG_PREFIX_LEN];
32+};
33+
34+/* Format of the ULOG packets passed through netlink */
35+typedef struct ulog_packet_msg {
36+ unsigned long mark;
37+ long timestamp_sec;
38+ long timestamp_usec;
39+ unsigned int hook;
40+ char indev_name[IFNAMSIZ];
41+ char outdev_name[IFNAMSIZ];
42+ size_t data_len;
43+ char prefix[ULOG_PREFIX_LEN];
44+ unsigned char mac_len;
45+ unsigned char mac[ULOG_MAC_LEN];
46+ unsigned char payload[0];
47+} ulog_packet_msg_t;
48+
49+#endif /*_IPT_ULOG_H*/
include/uapi/linux/netfilter_ipv4/ipt_ah.h+17−0
@@ -0,0 +1,17 @@
1+#ifndef _IPT_AH_H
2+#define _IPT_AH_H
3+
4+#include <linux/types.h>
5+
6+struct ipt_ah {
7+ __u32 spis[2]; /* Security Parameter Index */
8+ __u8 invflags; /* Inverse flags */
9+};
10+
11+
12+
13+/* Values for "invflags" field in struct ipt_ah. */
14+#define IPT_AH_INV_SPI 0x01 /* Invert the sense of spi. */
15+#define IPT_AH_INV_MASK 0x01 /* All possible flags. */
16+
17+#endif /*_IPT_AH_H*/
include/uapi/linux/netfilter_ipv4/ipt_ecn.h+15−0
@@ -0,0 +1,15 @@
1+#ifndef _IPT_ECN_H
2+#define _IPT_ECN_H
3+
4+#include <linux/netfilter/xt_ecn.h>
5+#define ipt_ecn_info xt_ecn_info
6+
7+enum {
8+ IPT_ECN_IP_MASK = XT_ECN_IP_MASK,
9+ IPT_ECN_OP_MATCH_IP = XT_ECN_OP_MATCH_IP,
10+ IPT_ECN_OP_MATCH_ECE = XT_ECN_OP_MATCH_ECE,
11+ IPT_ECN_OP_MATCH_CWR = XT_ECN_OP_MATCH_CWR,
12+ IPT_ECN_OP_MATCH_MASK = XT_ECN_OP_MATCH_MASK,
13+};
14+
15+#endif /* IPT_ECN_H */
include/uapi/linux/netfilter_ipv4/ipt_ttl.h+23−0
@@ -0,0 +1,23 @@
1+/* IP tables module for matching the value of the TTL
2+ * (C) 2000 by Harald Welte <laforge@gnumonks.org> */
3+
4+#ifndef _IPT_TTL_H
5+#define _IPT_TTL_H
6+
7+#include <linux/types.h>
8+
9+enum {
10+ IPT_TTL_EQ = 0, /* equals */
11+ IPT_TTL_NE, /* not equals */
12+ IPT_TTL_LT, /* less than */
13+ IPT_TTL_GT, /* greater than */
14+};
15+
16+
17+struct ipt_ttl_info {
18+ __u8 mode;
19+ __u8 ttl;
20+};
21+
22+
23+#endif