+/*
+ * Copyright (c) 2008-2013 Apple Inc. All rights reserved.
+ *
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
+ *
+ * This file contains Original Code and/or Modifications of Original Code
+ * as defined in and that are subject to the Apple Public Source License
+ * Version 2.0 (the 'License'). You may not use this file except in
+ * compliance with the License. The rights granted to you under the License
+ * may not be used to create, or enable the creation or redistribution of,
+ * unlawful or unlicensed copies of an Apple operating system, or to
+ * circumvent, violate, or enable the circumvention or violation of, any
+ * terms of an Apple operating system software license agreement.
+ *
+ * Please obtain a copy of the License at
+ * http://www.opensource.apple.com/apsl/ and read it before using this file.
+ *
+ * The Original Code and all software distributed under the License are
+ * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
+ * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
+ * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
+ * Please see the License for the specific language governing rights and
+ * limitations under the License.
+ *
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
+ */
+
/*
* Copyright (c) 2002 Luigi Rizzo, Universita` di Pisa
*
#ifndef _IPFW2_H
#define _IPFW2_H
+#ifdef __APPLE_API_OBSOLETE
+
+/*
+ * Define IP Firewall event subclass, and associated events.
+ */
+
+/*!
+ @defined KEV_IPFW_SUBCLASS
+ @discussion The kernel event subclass for IP Firewall.
+*/
+#define KEV_IPFW_SUBCLASS 1
+
+/*!
+ @defined KEV_IPFW_ADD
+ @discussion The event code indicating a rule has been added.
+*/
+#define KEV_IPFW_ADD 1
+
+/*!
+ @defined KEV_IPFW_DEL
+ @discussion The event code indicating a rule has been removed.
+*/
+#define KEV_IPFW_DEL 2
+
+/*!
+ @defined KEV_IPFW_FLUSH
+ @discussion The event code indicating the rule set has been flushed.
+*/
+#define KEV_IPFW_FLUSH 3
+
+/*!
+ @defined KEV_IPFW_ENABLE
+ @discussion The event code indicating the enable flag has been changed
+*/
+#define KEV_IPFW_ENABLE 4
+
+
/*
* The kernel representation of ipfw rules is made of a list of
*/
typedef struct _ipfw_dyn_rule ipfw_dyn_rule;
+#ifdef XNU_KERNEL_PRIVATE
+
+#include <netinet/ip_flowid.h>
+
+/*
+ * Note:
+ * The internal version of "struct _ipfw_dyn_rule" differs from
+ * its external version because the field "id" is of type
+ * "struct ip_flow_id" in the internal version. The type of the
+ * field "id" for the external version is "ipfw_dyn_rule for
+ * backwards compatibility reasons.
+ */
+
+struct _ipfw_dyn_rule {
+ ipfw_dyn_rule *next; /* linked list of rules. */
+ struct ip_fw *rule; /* pointer to rule */
+ /* 'rule' is used to pass up the rule number (from the parent) */
+
+ ipfw_dyn_rule *parent; /* pointer to parent rule */
+ u_int64_t pcnt; /* packet match counter */
+ u_int64_t bcnt; /* byte match counter */
+ struct ip_flow_id id; /* (masked) flow id */
+ u_int32_t expire; /* expire time */
+ u_int32_t bucket; /* which bucket in hash table */
+ u_int32_t state; /* state of this rule (typically a
+ * combination of TCP flags)
+ */
+ u_int32_t ack_fwd; /* most recent ACKs in forward */
+ u_int32_t ack_rev; /* and reverse directions (used */
+ /* to generate keepalives) */
+ u_int16_t dyn_type; /* rule type */
+ u_int16_t count; /* refcount */
+};
+#else /* XNU_KERNEL_PRIVATE */
struct _ipfw_dyn_rule {
ipfw_dyn_rule *next; /* linked list of rules. */
struct ip_fw *rule; /* pointer to rule */
u_int16_t dyn_type; /* rule type */
u_int16_t count; /* refcount */
};
+#endif /* XNU_KERNEL_PRIVATE */
/*
* Definitions for IP option names.
/*
* Main firewall chains definitions and global var's definitions.
*/
-#ifdef KERNEL
+#ifdef BSD_KERNEL_PRIVATE
+
+#pragma pack(4)
+struct ip_fw_32{
+ u_int32_t version; /* Version of this structure. MUST be set */
+ /* by clients. Should always be */
+ /* set to IP_FW_CURRENT_API_VERSION. */
+ user32_addr_t context; /* Context that is usable by user processes to */
+ /* identify this rule. */
+ user32_addr_t next; /* linked list of rules */
+ user32_addr_t next_rule;/* ptr to next [skipto] rule */
+ /* 'next_rule' is used to pass up 'set_disable' status */
+
+ u_int16_t act_ofs; /* offset of action in 32-bit units */
+ u_int16_t cmd_len; /* # of 32-bit words in cmd */
+ u_int16_t rulenum; /* rule number */
+ u_int8_t set; /* rule set (0..31) */
+ u_int32_t set_masks[2]; /* masks for manipulating sets atomically */
+#define RESVD_SET 31 /* set for default and persistent rules */
+ u_int8_t _pad; /* padding */
+
+ /* These fields are present in all rules. */
+ u_int64_t pcnt; /* Packet counter */
+ u_int64_t bcnt; /* Byte counter */
+ u_int32_t timestamp; /* tv_sec of last match */
+
+ u_int32_t reserved_1; /* reserved - set to 0 */
+ u_int32_t reserved_2; /* reserved - set to 0 */
+
+ ipfw_insn cmd[1]; /* storage for commands */
+};
+
+#pragma pack()
+
+struct ip_fw_64{
+ u_int32_t version; /* Version of this structure. MUST be set */
+ /* by clients. Should always be */
+ /* set to IP_FW_CURRENT_API_VERSION. */
+ __uint64_t context __attribute__((aligned(8))); /* Context that is usable by user processes to */
+ /* identify this rule. */
+ user64_addr_t next; /* linked list of rules */
+ user64_addr_t next_rule; /* ptr to next [skipto] rule */
+ /* 'next_rule' is used to pass up 'set_disable' status */
+
+ u_int16_t act_ofs; /* offset of action in 32-bit units */
+ u_int16_t cmd_len; /* # of 32-bit words in cmd */
+ u_int16_t rulenum; /* rule number */
+ u_int8_t set; /* rule set (0..31) */
+ u_int32_t set_masks[2]; /* masks for manipulating sets atomically */
+#define RESVD_SET 31 /* set for default and persistent rules */
+ u_int8_t _pad; /* padding */
+
+ /* These fields are present in all rules. */
+ u_int64_t pcnt __attribute__((aligned(8))); /* Packet counter */
+ u_int64_t bcnt __attribute__((aligned(8))); /* Byte counter */
+ u_int32_t timestamp; /* tv_sec of last match */
+
+ u_int32_t reserved_1; /* reserved - set to 0 */
+ u_int32_t reserved_2; /* reserved - set to 0 */
+
+ ipfw_insn cmd[1]; /* storage for commands */
+};
+
+
+typedef struct _ipfw_dyn_rule_64 ipfw_dyn_rule_64;
+typedef struct _ipfw_dyn_rule_32 ipfw_dyn_rule_32;
+
+#pragma pack(4)
+struct _ipfw_dyn_rule_32 {
+ user32_addr_t next; /* linked list of rules. */
+ user32_addr_t rule; /* pointer to rule */
+ /* 'rule' is used to pass up the rule number (from the parent) */
+
+ user32_addr_t parent; /* pointer to parent rule */
+ u_int64_t pcnt; /* packet match counter */
+ u_int64_t bcnt; /* byte match counter */
+ struct ipfw_flow_id id; /* (masked) flow id */
+ u_int32_t expire; /* expire time */
+ u_int32_t bucket; /* which bucket in hash table */
+ u_int32_t state; /* state of this rule (typically a
+ * combination of TCP flags)
+ */
+ u_int32_t ack_fwd; /* most recent ACKs in forward */
+ u_int32_t ack_rev; /* and reverse directions (used */
+ /* to generate keepalives) */
+ u_int16_t dyn_type; /* rule type */
+ u_int16_t count; /* refcount */
+};
+
+#pragma pack()
+
+struct _ipfw_dyn_rule_64 {
+ user64_addr_t next; /* linked list of rules. */
+ user64_addr_t rule; /* pointer to rule */
+ /* 'rule' is used to pass up the rule number (from the parent) */
+
+ user64_addr_t parent; /* pointer to parent rule */
+ u_int64_t pcnt; /* packet match counter */
+ u_int64_t bcnt; /* byte match counter */
+ struct ipfw_flow_id id; /* (masked) flow id */
+ u_int32_t expire; /* expire time */
+ u_int32_t bucket; /* which bucket in hash table */
+ u_int32_t state; /* state of this rule (typically a
+ * combination of TCP flags)
+ */
+ u_int32_t ack_fwd; /* most recent ACKs in forward */
+ u_int32_t ack_rev; /* and reverse directions (used */
+ /* to generate keepalives) */
+ u_int16_t dyn_type; /* rule type */
+ u_int16_t count; /* refcount */
+};
+
+
+typedef struct _ipfw_insn_pipe_64 {
+ ipfw_insn o;
+ user64_addr_t pipe_ptr; /* XXX */
+} ipfw_insn_pipe_64;
+
+typedef struct _ipfw_insn_pipe_32{
+ ipfw_insn o;
+ user32_addr_t pipe_ptr; /* XXX */
+} ipfw_insn_pipe_32;
+
+
+#define IPFW_DEFAULT_RULE 65535
+
+#if IPFIREWALL
#define IP_FW_PORT_DYNT_FLAG 0x10000
#define IP_FW_PORT_TEE_FLAG 0x20000
#define IP_FW_PORT_DENY_FLAG 0x40000
-/*
- * Arguments for calling ipfw_chk() and dummynet_io(). We put them
- * all into a structure because this way it is easier and more
- * efficient to pass variables around and extend the interface.
- */
-struct ip_fw_args {
- struct mbuf *m; /* the mbuf chain */
- struct ifnet *oif; /* output interface */
- struct sockaddr_in *next_hop; /* forward address */
- struct ip_fw *rule; /* matching rule */
- struct ether_header *eh; /* for bridged packets */
-
- struct route *ro; /* for dummynet */
- struct sockaddr_in *dst; /* for dummynet */
- int flags; /* for dummynet */
-
- struct ipfw_flow_id f_id; /* grabbed from IP header */
- u_int16_t divert_rule; /* divert cookie */
- u_int32_t retval;
-};
-
+#ifdef PRIVATE
+#include <netinet/ip_flowid.h>
+#else
+struct ip_fw_args;
+#endif
/*
* Function definitions.
*/
extern int fw_one_pass;
extern int fw_enable;
#define IPFW_LOADED (ip_fw_chk_ptr != NULL)
-#endif /* KERNEL */
+#endif /* IPFIREWALL */
+#endif /* BSD_KERNEL_PRIVATE */
+#endif /* __APPLE_API_OBSOLETE */
#endif /* _IPFW2_H */
projects / apple / xnu.git / blobdiff