--- /dev/null
+/*
+ * Copyright (c) 2009 Luigi Rizzo, Marta Carbone, Universita` di Pisa
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+/*
+ *
+ * $Id$
+ *
+ * glue code to adapt the FreeBSD version to linux and windows,
+ * userland and kernel.
+ * This is included before any other headers, so we do not have
+ * a chance to override any #define that should appear in other
+ * headers.
+ */
+
+#ifndef _GLUE_H
+#define _GLUE_H
+
+/*
+ * common definitions to allow portability
+ */
+#ifndef __FBSDID
+#define __FBSDID(x)
+#endif /* FBSDID */
+
+/*
+ * emulation of FreeBSD's sockopt and thread
+ * This was in sockopt.h
+ */
+enum sopt_dir { SOPT_GET, SOPT_SET };
+
+#ifndef KERNEL_MODULE /* Userland part */
+
+#include <stdint.h> /* linux needs this in addition to sys/types.h */
+
+#include <sys/types.h> /* for size_t */
+#include <sys/ioctl.h>
+#include <time.h>
+
+#include <netinet/ether.h>
+
+#else /* KERNEL_MODULE, kernel part */
+
+#ifndef _WIN32
+#include <linux/version.h>
+
+#define ifnet net_device /* remap */
+#define _KERNEL # make kernel structure visible
+#define KLD_MODULE # add the module glue
+#define INET # want inet support
+
+#include <linux/stddef.h> /* linux kernel */
+#include <linux/types.h> /* linux kernel */
+
+
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,17) // or 2.4.x
+#include <linux/linkage.h> /* linux/msg.h require this */
+#include <linux/netdevice.h> /* just MAX_ADDR_LEN 8 on 2.4 32 on 2.6, also brings in byteorder */
+#endif
+
+#if LINUX_VERSION_CODE > KERNEL_VERSION(2,6,0) && \
+ LINUX_VERSION_CODE < KERNEL_VERSION(2,6,23) // under 2.6.22 compilation is required by msg.h
+#include <linux/spinlock_types.h>
+#endif
+#include <linux/msg.h> /* XXX m_type define conflict with include/sys/mbuf.h,
+ * so early include this file (to be solved) */
+#include <linux/list.h>
+#include <linux/in.h> /* struct in_addr */
+#include <linux/icmp.h>
+/*
+ * LIST_HEAD in queue.h conflict with linux/list.h
+ * some previous linux include need list.h definition
+ */
+#undef LIST_HEAD
+
+#define IF_NAMESIZE 16
+typedef uint32_t in_addr_t;
+
+#define printf(fmt, arg...) printk(KERN_ERR fmt, ##arg)
+
+#endif /* !_WIN32 */
+#endif /* KERNEL_MODULE */
+
+/*
+ * In windows, we need to emulate the sockopt interface
+ * so also the userland needs to have the struct sockopt defined.
+ * No need to declare struct thread on linux, but we need on windows.
+ */
+
+struct thread {
+ void *sopt_td;
+ void *td_ucred;
+};
+
+struct sockopt {
+ enum sopt_dir sopt_dir; /* is this a get or a set? */
+ int sopt_level; /* second arg of [gs]etsockopt */
+ int sopt_name; /* third arg of [gs]etsockopt */
+ void *sopt_val; /* fourth arg of [gs]etsockopt */
+ size_t sopt_valsize; /* (almost) fifth arg of [gs]etsockopt */
+ struct thread *sopt_td; /* calling thread or null if kernel */
+};
+
+
+/* This must be included here after list.h */
+#include <sys/queue.h> /* both the kernel side and nat.c needs this */
+
+#ifndef KERNEL_MODULE
+
+/* define internals for struct in6_addr netinet/in6.h on FreeBSD */
+#define __u6_addr in6_u
+#define __u6_addr32 u6_addr32
+/* define missing type for ipv6 (linux 2.6.28) */
+#define in6_u __in6_u
+
+/* missing in linux netinet/ip.h */
+#define IPTOS_ECN_ECT0 0x02 /* ECN-capable transport (0) */
+#define IPTOS_ECN_CE 0x03 /* congestion experienced */
+
+/* defined in freebsd netinet/icmp6.h */
+#define ICMP6_MAXTYPE 201
+
+/* on freebsd sys/socket.h pf specific */
+#define NET_RT_IFLIST 3 /* survey interface list */
+
+/* on freebsd net/if.h XXX used */
+struct if_data {
+
+ /* ... */
+ u_long ifi_mtu; /* maximum transmission unit */
+};
+
+/*
+ * Message format for use in obtaining information about interfaces
+ * from getkerninfo and the routing socket.
+ * This is used in nat.c
+ */
+struct if_msghdr {
+ u_short ifm_msglen; /* to skip over non-understood messages */
+ u_char ifm_version; /* future binary compatibility */
+ u_char ifm_type; /* message type */
+ int ifm_addrs; /* like rtm_addrs */
+ int ifm_flags; /* value of if_flags */
+ u_short ifm_index; /* index for associated ifp */
+ struct if_data ifm_data;/* statistics and other data about if */
+};
+
+/*
+ * Message format for use in obtaining information about interface addresses
+ * from getkerninfo and the routing socket
+ */
+struct ifa_msghdr {
+ u_short ifam_msglen; /* to skip over non-understood messages */
+ u_char ifam_version; /* future binary compatibility */
+ u_char ifam_type; /* message type */
+ int ifam_addrs; /* like rtm_addrs */
+ int ifam_flags; /* value of ifa_flags */
+ u_short ifam_index; /* index for associated ifp */
+ int ifam_metric; /* value of ifa_metric */
+};
+
+#ifndef NO_RTM /* conflicting with netlink */
+/* missing in net/route.h */
+#define RTM_VERSION 5 /* Up the ante and ignore older versions */
+#define RTM_IFINFO 0xe /* iface going up/down etc. */
+#define RTM_NEWADDR 0xc /* address being added to iface */
+#define RTA_IFA 0x20 /* interface addr sockaddr present */
+#endif /* NO_RTM */
+
+/* SA_SIZE is used in the userland nat.c modified */
+#define SA_SIZE(sa) \
+ ( (!(sa) ) ? \
+ sizeof(long) : \
+ 1 + ( (sizeof(struct sockaddr) - 1) | (sizeof(long) - 1) ) )
+
+/* sys/time.h */
+/*
+ * Getkerninfo clock information structure
+ */
+struct clockinfo {
+ int hz; /* clock frequency */
+ int tick; /* micro-seconds per hz tick */
+ int spare;
+ int stathz; /* statistics clock frequency */
+ int profhz; /* profiling clock frequency */
+};
+
+
+/*
+ * linux does not have heapsort
+ */
+#define heapsort(_a, _b, _c, _d) qsort(_a, _b, _c, _d)
+
+#define setprogname(x) /* not present in linux */
+
+extern int optreset; /* not present in linux */
+
+size_t strlcpy(char * dst, const char * src, size_t siz);
+long long int
+strtonum(const char *nptr, long long minval, long long maxval,
+ const char **errstr);
+
+int
+sysctlbyname(const char *name, void *oldp, size_t *oldlenp, void *newp,
+ size_t newlen);
+
+#else /* KERNEL_MODULE */
+
+/* linux and windows kernel do not have bcopy ? */
+#define bcopy(_s, _d, _l) memcpy(_d, _s, _l)
+
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,17) // or 2.4.x
+#include <linux/in6.h>
+#endif
+
+/* definitions useful for the kernel side */
+
+struct route_in6 { };
+
+#endif /* KERNEL_MODULE */
+
+/*
+ * List of values used for set/getsockopt options.
+ * The base value on FreeBSD is defined as a macro,
+ * if not available we will use our own enum.
+ * The TABLE_BASE value is used in the kernel.
+ */
+#ifndef IP_FW_TABLE_ADD
+#define _IPFW_SOCKOPT_BASE 100 /* 40 on freebsd */
+enum ipfw_msg_type {
+ IP_FW_TABLE_ADD = _IPFW_SOCKOPT_BASE,
+ IP_FW_TABLE_DEL,
+ IP_FW_TABLE_FLUSH,
+ IP_FW_TABLE_GETSIZE,
+ IP_FW_TABLE_LIST,
+
+ IP_FW_ADD = _IPFW_SOCKOPT_BASE + 10,
+ IP_FW_DEL,
+ IP_FW_FLUSH,
+ IP_FW_ZERO,
+ IP_FW_GET,
+ IP_FW_RESETLOG,
+
+ IP_FW_NAT_CFG,
+ IP_FW_NAT_DEL,
+ IP_FW_NAT_GET_CONFIG,
+ IP_FW_NAT_GET_LOG,
+
+ IP_DUMMYNET_CONFIGURE,
+ IP_DUMMYNET_DEL ,
+ IP_DUMMYNET_FLUSH,
+ /* 63 is missing */
+ IP_DUMMYNET_GET = _IPFW_SOCKOPT_BASE + 24,
+ _IPFW_SOCKOPT_END
+};
+#endif /* IP_FW_TABLE_ADD */
+
+#endif /* !_GLUE_H */
git://git.onelab.eu / ipfw.git / blobdiff