--- /dev/null
+/*
+ * Copyright (c) 2002-2003 Luigi Rizzo
+ * Copyright (c) 1996 Alex Nash, Paul Traina, Poul-Henning Kamp
+ * Copyright (c) 1994 Ugen J.S.Antsilevich
+ *
+ * Idea and grammar partially left from:
+ * Copyright (c) 1993 Daniel Boulet
+ *
+ * Redistribution and use in source forms, with and without modification,
+ * are permitted provided that this entire comment appears intact.
+ *
+ * Redistribution in binary form may occur without any restrictions.
+ * Obviously, it would be nice if you gave credit where credit is due
+ * but requiring it would be too onerous.
+ *
+ * This software is provided ``AS IS'' without any warranties of any kind.
+ *
+ * NEW command line interface for IP firewall facility
+ *
+ * $FreeBSD: head/sbin/ipfw/ipfw2.h 187983 2009-02-01 16:00:49Z luigi $
+ */
+
+/*
+ * Options that can be set on the command line.
+ * When reading commands from a file, a subset of the options can also
+ * be applied globally by specifying them before the file name.
+ * After that, each line can contain its own option that changes
+ * the global value.
+ * XXX The context is not restored after each line.
+ */
+
+struct cmdline_opts {
+ /* boolean options: */
+ int do_value_as_ip; /* show table value as IP */
+ int do_resolv; /* try to resolve all ip to names */
+ int do_time; /* Show time stamps */
+ int do_quiet; /* Be quiet in add and flush */
+ int do_pipe; /* this cmd refers to a pipe */
+ int do_nat; /* this cmd refers to a nat config */
+ int do_dynamic; /* display dynamic rules */
+ int do_expired; /* display expired dynamic rules */
+ int do_compact; /* show rules in compact mode */
+ int do_force; /* do not ask for confirmation */
+ int show_sets; /* display the set each rule belongs to */
+ int test_only; /* only check syntax */
+ int comment_only; /* only print action and comment */
+ int verbose; /* be verbose on some commands */
+
+ /* The options below can have multiple values. */
+
+ int do_sort; /* field to sort results (0 = no) */
+ /* valid fields are 1 and above */
+
+ int use_set; /* work with specified set number */
+ /* 0 means all sets, otherwise apply to set use_set - 1 */
+
+};
+
+extern struct cmdline_opts co;
+
+/*
+ * _s_x is a structure that stores a string <-> token pairs, used in
+ * various places in the parser. Entries are stored in arrays,
+ * with an entry with s=NULL as terminator.
+ * The search routines are match_token() and match_value().
+ * Often, an element with x=0 contains an error string.
+ *
+ */
+struct _s_x {
+ char const *s;
+ int x;
+};
+
+enum tokens {
+ TOK_NULL=0,
+
+ TOK_OR,
+ TOK_NOT,
+ TOK_STARTBRACE,
+ TOK_ENDBRACE,
+
+ TOK_ACCEPT,
+ TOK_COUNT,
+ TOK_PIPE,
+ TOK_QUEUE,
+ TOK_DIVERT,
+ TOK_TEE,
+ TOK_NETGRAPH,
+ TOK_NGTEE,
+ TOK_FORWARD,
+ TOK_SKIPTO,
+ TOK_DENY,
+ TOK_REJECT,
+ TOK_RESET,
+ TOK_UNREACH,
+ TOK_CHECKSTATE,
+ TOK_NAT,
+ TOK_REASS,
+
+ TOK_ALTQ,
+ TOK_LOG,
+ TOK_TAG,
+ TOK_UNTAG,
+
+ TOK_TAGGED,
+ TOK_UID,
+ TOK_GID,
+ TOK_JAIL,
+ TOK_IN,
+ TOK_LIMIT,
+ TOK_KEEPSTATE,
+ TOK_LAYER2,
+ TOK_OUT,
+ TOK_DIVERTED,
+ TOK_DIVERTEDLOOPBACK,
+ TOK_DIVERTEDOUTPUT,
+ TOK_XMIT,
+ TOK_RECV,
+ TOK_VIA,
+ TOK_FRAG,
+ TOK_IPOPTS,
+ TOK_IPLEN,
+ TOK_IPID,
+ TOK_IPPRECEDENCE,
+ TOK_IPTOS,
+ TOK_IPTTL,
+ TOK_IPVER,
+ TOK_ESTAB,
+ TOK_SETUP,
+ TOK_TCPDATALEN,
+ TOK_TCPFLAGS,
+ TOK_TCPOPTS,
+ TOK_TCPSEQ,
+ TOK_TCPACK,
+ TOK_TCPWIN,
+ TOK_ICMPTYPES,
+ TOK_MAC,
+ TOK_MACTYPE,
+ TOK_VERREVPATH,
+ TOK_VERSRCREACH,
+ TOK_ANTISPOOF,
+ TOK_IPSEC,
+ TOK_COMMENT,
+
+ TOK_PLR,
+ TOK_NOERROR,
+ TOK_BUCKETS,
+ TOK_DSTIP,
+ TOK_SRCIP,
+ TOK_DSTPORT,
+ TOK_SRCPORT,
+ TOK_ALL,
+ TOK_MASK,
+ TOK_BW,
+ TOK_DELAY,
+ TOK_PIPE_PROFILE,
+ TOK_RED,
+ TOK_GRED,
+ TOK_DROPTAIL,
+ TOK_PROTO,
+ TOK_WEIGHT,
+ TOK_IP,
+ TOK_IF,
+ TOK_ALOG,
+ TOK_DENY_INC,
+ TOK_SAME_PORTS,
+ TOK_UNREG_ONLY,
+ TOK_RESET_ADDR,
+ TOK_ALIAS_REV,
+ TOK_PROXY_ONLY,
+ TOK_REDIR_ADDR,
+ TOK_REDIR_PORT,
+ TOK_REDIR_PROTO,
+
+ TOK_IPV6,
+ TOK_FLOWID,
+ TOK_ICMP6TYPES,
+ TOK_EXT6HDR,
+ TOK_DSTIP6,
+ TOK_SRCIP6,
+
+ TOK_IPV4,
+ TOK_UNREACH6,
+ TOK_RESET6,
+
+ TOK_FIB,
+ TOK_SETFIB,
+};
+/*
+ * the following macro returns an error message if we run out of
+ * arguments.
+ */
+#define NEED1(msg) {if (!ac) errx(EX_USAGE, msg);}
+
+unsigned long long align_uint64(const uint64_t *pll);
+
+/* memory allocation support */
+void *safe_calloc(size_t number, size_t size);
+void *safe_realloc(void *ptr, size_t size);
+
+/* string comparison functions used for historical compatibility */
+int _substrcmp(const char *str1, const char* str2);
+int _substrcmp2(const char *str1, const char* str2, const char* str3);
+
+/* utility functions */
+int match_token(struct _s_x *table, char *string);
+char const *match_value(struct _s_x *p, int value);
+
+int do_cmd(int optname, void *optval, uintptr_t optlen);
+
+struct in6_addr;
+void n2mask(struct in6_addr *mask, int n);
+int contigmask(uint8_t *p, int len);
+
+/*
+ * Forward declarations to avoid include way too many headers.
+ * C does not allow duplicated typedefs, so we use the base struct
+ * that the typedef points to.
+ * Should the typedefs use a different type, the compiler will
+ * still detect the change when compiling the body of the
+ * functions involved, so we do not lose error checking.
+ */
+struct _ipfw_insn;
+struct _ipfw_insn_altq;
+struct _ipfw_insn_u32;
+struct _ipfw_insn_ip6;
+struct _ipfw_insn_icmp6;
+
+/*
+ * The reserved set numer. This is a constant in ip_fw.h
+ * but we store it in a variable so other files do not depend
+ * in that header just for one constant.
+ */
+extern int resvd_set_number;
+
+/* first-level command handlers */
+void ipfw_add(int ac, char *av[]);
+void ipfw_show_nat(int ac, char **av);
+void ipfw_config_pipe(int ac, char **av);
+void ipfw_config_nat(int ac, char **av);
+void ipfw_sets_handler(int ac, char *av[]);
+void ipfw_table_handler(int ac, char *av[]);
+void ipfw_sysctl_handler(int ac, char *av[], int which);
+void ipfw_delete(int ac, char *av[]);
+void ipfw_flush(int force);
+void ipfw_zero(int ac, char *av[], int optname);
+void ipfw_list(int ac, char *av[], int show_counters);
+
+/* altq.c */
+void altq_set_enabled(int enabled);
+u_int32_t altq_name_to_qid(const char *name);
+
+void print_altq_cmd(struct _ipfw_insn_altq *altqptr);
+
+/* dummynet.c */
+void ipfw_list_pipes(void *data, uint nbytes, int ac, char *av[]);
+int ipfw_delete_pipe(int pipe_or_queue, int n);
+
+/* ipv6.c */
+void print_unreach6_code(uint16_t code);
+void print_ip6(struct _ipfw_insn_ip6 *cmd, char const *s);
+void print_flow6id(struct _ipfw_insn_u32 *cmd);
+void print_icmp6types(struct _ipfw_insn_u32 *cmd);
+void print_ext6hdr(struct _ipfw_insn *cmd );
+
+struct _ipfw_insn *add_srcip6(struct _ipfw_insn *cmd, char *av);
+struct _ipfw_insn *add_dstip6(struct _ipfw_insn *cmd, char *av);
+
+void fill_flow6(struct _ipfw_insn_u32 *cmd, char *av );
+void fill_unreach6_code(u_short *codep, char *str);
+void fill_icmp6types(struct _ipfw_insn_icmp6 *cmd, char *av);
+int fill_ext6hdr(struct _ipfw_insn *cmd, char *av);
git://git.onelab.eu / ipfw.git / blobdiff