📄 policy_parse.tab.c
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/* A Bison parser, made by GNU Bison 1.875a. */
/* Skeleton parser for Yacc-like parsing with Bison,
Copyright (C) 1984, 1989, 1990, 2000, 2001, 2002, 2003 Free Software Foundation, Inc.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2, or (at your option)
any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
/* As a special exception, when this file is copied by Bison into a
Bison output file, you may use that output file without restriction.
This special exception was added by the Free Software Foundation
in version 1.24 of Bison. */
/* Written by Richard Stallman by simplifying the original so called
``semantic'' parser. */
/* All symbols defined below should begin with yy or YY, to avoid
infringing on user name space. This should be done even for local
variables, as they might otherwise be expanded by user macros.
There are some unavoidable exceptions within include files to
define necessary library symbols; they are noted "INFRINGES ON
USER NAME SPACE" below. */
/* Identify Bison output. */
#define YYBISON 1
/* Skeleton name. */
#define YYSKELETON_NAME "yacc.c"
/* Pure parsers. */
#define YYPURE 0
/* Using locations. */
#define YYLSP_NEEDED 0
/* Tokens. */
#ifndef YYTOKENTYPE
# define YYTOKENTYPE
/* Put the tokens into the symbol table, so that GDB and other debuggers
know about them. */
enum yytokentype {
DIR = 258,
ACTION = 259,
PROTOCOL = 260,
MODE = 261,
LEVEL = 262,
LEVEL_SPECIFY = 263,
IPADDRESS = 264,
ME = 265,
ANY = 266,
SLASH = 267,
HYPHEN = 268
};
#endif
#define DIR 258
#define ACTION 259
#define PROTOCOL 260
#define MODE 261
#define LEVEL 262
#define LEVEL_SPECIFY 263
#define IPADDRESS 264
#define ME 265
#define ANY 266
#define SLASH 267
#define HYPHEN 268
/* Copy the first part of user declarations. */
#line 51 "policy_parse.y"
#include <sys/types.h>
#include <sys/param.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <netinet6/ipsec.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <netdb.h>
#include "ipsec_strerror.h"
#define ATOX(c) \ (isdigit(c) ? (c - '0') : (isupper(c) ? (c - 'A' + 10) : (c - 'a' + 10) ))
static caddr_t pbuf = NULL; /* sadb_x_policy buffer */
static int tlen = 0; /* total length of pbuf */
static int offset = 0; /* offset of pbuf */
static int p_dir, p_type, p_protocol, p_mode, p_level, p_reqid;
static struct sockaddr *p_src = NULL;
static struct sockaddr *p_dst = NULL;
struct _val;
extern void yyerror __P((char *msg));
static struct sockaddr *parse_sockaddr __P((struct _val *buf));
static int rule_check __P((void));
static int init_x_policy __P((void));
static int set_x_request __P((struct sockaddr *src, struct sockaddr *dst));
static int set_sockaddr __P((struct sockaddr *addr));
static void policy_parse_request_init __P((void));
static caddr_t policy_parse __P((char *msg, int msglen));
extern void __policy__strbuffer__init__ __P((char *msg));
extern void __policy__strbuffer__free__ __P((void));
extern int yyparse __P((void));
extern int yylex __P((void));
#ifdef __ECOS
extern char *yytext;
#define __libyytext yytext
#else
extern char *__libyytext; /*XXX*/
#endif
/* Enabling traces. */
#ifndef YYDEBUG
# define YYDEBUG 0
#endif
/* Enabling verbose error messages. */
#ifdef YYERROR_VERBOSE
# undef YYERROR_VERBOSE
# define YYERROR_VERBOSE 1
#else
# define YYERROR_VERBOSE 0
#endif
#if ! defined (YYSTYPE) && ! defined (YYSTYPE_IS_DECLARED)
#line 99 "policy_parse.y"
typedef union YYSTYPE {
u_int num;
struct _val {
int len;
char *buf;
} val;
} YYSTYPE;
/* Line 191 of yacc.c. */
#line 158 "policy_parse.tab.c"
# define yystype YYSTYPE /* obsolescent; will be withdrawn */
# define YYSTYPE_IS_DECLARED 1
# define YYSTYPE_IS_TRIVIAL 1
#endif
/* Copy the second part of user declarations. */
/* Line 214 of yacc.c. */
#line 170 "policy_parse.tab.c"
#if ! defined (yyoverflow) || YYERROR_VERBOSE
/* The parser invokes alloca or malloc; define the necessary symbols. */
# if YYSTACK_USE_ALLOCA
# define YYSTACK_ALLOC alloca
# else
# ifndef YYSTACK_USE_ALLOCA
# if defined (alloca) || defined (_ALLOCA_H)
# define YYSTACK_ALLOC alloca
# else
# ifdef __GNUC__
# define YYSTACK_ALLOC __builtin_alloca
# endif
# endif
# endif
# endif
# ifdef YYSTACK_ALLOC
/* Pacify GCC's `empty if-body' warning. */
# define YYSTACK_FREE(Ptr) do { /* empty */; } while (0)
# else
# if defined (__STDC__) || defined (__cplusplus)
# include <stdlib.h> /* INFRINGES ON USER NAME SPACE */
# define YYSIZE_T size_t
# endif
# define YYSTACK_ALLOC malloc
# define YYSTACK_FREE free
# endif
#endif /* ! defined (yyoverflow) || YYERROR_VERBOSE */
#if (! defined (yyoverflow) \ && (! defined (__cplusplus) \ || (YYSTYPE_IS_TRIVIAL)))
/* A type that is properly aligned for any stack member. */
union yyalloc
{
short yyss;
YYSTYPE yyvs;
};
/* The size of the maximum gap between one aligned stack and the next. */
# define YYSTACK_GAP_MAXIMUM (sizeof (union yyalloc) - 1)
/* The size of an array large to enough to hold all stacks, each with
N elements. */
# define YYSTACK_BYTES(N) \ ((N) * (sizeof (short) + sizeof (YYSTYPE)) \ + YYSTACK_GAP_MAXIMUM)
/* Copy COUNT objects from FROM to TO. The source and destination do
not overlap. */
# ifndef YYCOPY
# if 1 < __GNUC__
# define YYCOPY(To, From, Count) \ __builtin_memcpy (To, From, (Count) * sizeof (*(From)))
# else
# define YYCOPY(To, From, Count) \ do \ { \ register YYSIZE_T yyi; \ for (yyi = 0; yyi < (Count); yyi++) \ (To)[yyi] = (From)[yyi]; \ } \ while (0)
# endif
# endif
/* Relocate STACK from its old location to the new one. The
local variables YYSIZE and YYSTACKSIZE give the old and new number of
elements in the stack, and YYPTR gives the new location of the
stack. Advance YYPTR to a properly aligned location for the next
stack. */
# define YYSTACK_RELOCATE(Stack) \ do \ { \ YYSIZE_T yynewbytes; \ YYCOPY (&yyptr->Stack, Stack, yysize); \ Stack = &yyptr->Stack; \ yynewbytes = yystacksize * sizeof (*Stack) + YYSTACK_GAP_MAXIMUM; \ yyptr += yynewbytes / sizeof (*yyptr); \ } \ while (0)
#endif
#if defined (__STDC__) || defined (__cplusplus)
typedef signed char yysigned_char;
#else
typedef short yysigned_char;
#endif
/* YYFINAL -- State number of the termination state. */
#define YYFINAL 4
/* YYLAST -- Last index in YYTABLE. */
#define YYLAST 24
/* YYNTOKENS -- Number of terminals. */
#define YYNTOKENS 14
/* YYNNTS -- Number of nonterminals. */
#define YYNNTS 10
/* YYNRULES -- Number of rules. */
#define YYNRULES 22
/* YYNRULES -- Number of states. */
#define YYNSTATES 31
/* YYTRANSLATE(YYLEX) -- Bison symbol number corresponding to YYLEX. */
#define YYUNDEFTOK 2
#define YYMAXUTOK 268
#define YYTRANSLATE(YYX) \ ((unsigned int) (YYX) <= YYMAXUTOK ? yytranslate[YYX] : YYUNDEFTOK)
/* YYTRANSLATE[YYLEX] -- Bison symbol number corresponding to YYLEX. */
static const unsigned char yytranslate[] =
{
0, 2, 2, 2, 2, 2, 2, 2, 2, 2,
2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
2, 2, 2, 2, 2, 2, 1, 2, 3, 4,
5, 6, 7, 8, 9, 10, 11, 12, 13
};
#if YYDEBUG
/* YYPRHS[YYN] -- Index of the first RHS symbol of rule number YYN in
YYRHS. */
static const unsigned char yyprhs[] =
{
0, 0, 3, 4, 9, 11, 12, 15, 23, 30,
36, 41, 48, 52, 55, 57, 59, 61, 63, 65,
66, 71, 75
};
/* YYRHS -- A `-1'-separated list of the rules' RHS. */
static const yysigned_char yyrhs[] =
{
15, 0, -1, -1, 3, 4, 16, 17, -1, 3,
-1, -1, 17, 18, -1, 19, 12, 20, 12, 22,
12, 21, -1, 19, 12, 20, 12, 22, 12, -1,
19, 12, 20, 12, 22, -1, 19, 12, 20, 12,
-1, 19, 12, 20, 12, 12, 21, -1, 19, 12,
20, -1, 19, 12, -1, 19, -1, 5, -1, 6,
-1, 7, -1, 8, -1, -1, 9, 23, 13, 9,
-1, 10, 13, 11, -1, 11, 13, 10, -1
};
/* YYRLINE[YYN] -- source line where rule number YYN was defined. */
static const unsigned char yyrline[] =
{
0, 117, 117, 116, 125, 135, 137, 149, 150, 151,
152, 153, 154, 155, 159, 166, 170, 174, 178, 185,
185, 196, 202
};
#endif
#if YYDEBUG || YYERROR_VERBOSE
/* YYTNME[SYMBOL-NUM] -- String name of the symbol SYMBOL-NUM.
First, the terminals, then, starting at YYNTOKENS, nonterminals. */
static const char *const yytname[] =
{
"$end", "error", "$undefined", "DIR", "ACTION", "PROTOCOL", "MODE",
"LEVEL", "LEVEL_SPECIFY", "IPADDRESS", "ME", "ANY", "SLASH", "HYPHEN",
"$accept", "policy_spec", "@1", "rules", "rule", "protocol", "mode",
"level", "addresses", "@2", 0
};
#endif
# ifdef YYPRINT
/* YYTOKNUM[YYLEX-NUM] -- Internal token number corresponding to
token YYLEX-NUM. */
static const unsigned short yytoknum[] =
{
0, 256, 257, 258, 259, 260, 261, 262, 263, 264,
265, 266, 267, 268
};
# endif
/* YYR1[YYN] -- Symbol number of symbol that rule YYN derives. */
static const unsigned char yyr1[] =
{
0, 14, 16, 15, 15, 17, 17, 18, 18, 18,
18, 18, 18, 18, 18, 19, 20, 21, 21, 23,
22, 22, 22
};
/* YYR2[YYN] -- Number of symbols composing right hand side of rule YYN. */
static const unsigned char yyr2[] =
{
0, 2, 0, 4, 1, 0, 2, 7, 6, 5,
4, 6, 3, 2, 1, 1, 1, 1, 1, 0,
4, 3, 3
};
/* YYDEFACT[STATE-NAME] -- Default rule to reduce with in state
STATE-NUM when YYTABLE doesn't specify something else to do. Zero
means the default is an error. */
static const unsigned char yydefact[] =
{
0, 4, 0, 2, 1, 5, 3, 15, 6, 14,
13, 16, 12, 10, 19, 0, 0, 0, 9, 0,
0, 0, 17, 18, 11, 8, 0, 21, 22, 7,
20
};
/* YYDEFGOTO[NTERM-NUM]. */
static const yysigned_char yydefgoto[] =
{
-1, 2, 5, 6, 8, 9, 12, 24, 18, 19
};
/* YYPACT[STATE-NUM] -- Index in YYTABLE of the portion describing
STATE-NUM. */
#define YYPACT_NINF -12
static const yysigned_char yypact[] =
{
3, 4, 7, -12, -12, -12, 5, -12, -12, -1,
6, -12, 1, -9, -12, -4, 2, -3, 8, 9,
10, 13, -12, -12, -12, -3, 15, -12, -12, -12,
-12
};
/* YYPGOTO[NTERM-NUM]. */
static const yysigned_char yypgoto[] =
{
-12, -12, -12, -12, -12, -12, -12, -11, -12, -12
};
/* YYTABLE[YYPACT[STATE-NUM]]. What to do in state STATE-NUM. If
positive, shift that token. If negative, reduce the rule which
number is the opposite. If zero, do what YYDEFACT says.
If YYTABLE_NINF, syntax error. */
#define YYTABLE_NINF -1
static const unsigned char yytable[] =
{
14, 15, 16, 17, 22, 23, 1, 4, 3, 20,
7, 10, 11, 13, 29, 21, 0, 0, 0, 0,
25, 27, 26, 28, 30
};
static const yysigned_char yycheck[] =
{
9, 10, 11, 12, 7, 8, 3, 0, 4, 13,
5, 12, 6, 12, 25, 13, -1, -1, -1, -1,
12, 11, 13, 10, 9
};
/* YYSTOS[STATE-NUM] -- The (internal number of the) accessing
symbol of state STATE-NUM. */
static const unsigned char yystos[] =
{
0, 3, 15, 4, 0, 16, 17, 5, 18, 19,
12, 6, 20, 12, 9, 10, 11, 12, 22, 23,
13, 13, 7, 8, 21, 12, 13, 11, 10, 21,
9
};
#if ! defined (YYSIZE_T) && defined (__SIZE_TYPE__)
# define YYSIZE_T __SIZE_TYPE__
#endif
#if ! defined (YYSIZE_T) && defined (size_t)
# define YYSIZE_T size_t
#endif
#if ! defined (YYSIZE_T)
# if defined (__STDC__) || defined (__cplusplus)
# include <stddef.h> /* INFRINGES ON USER NAME SPACE */
# define YYSIZE_T size_t
# endif
#endif
#if ! defined (YYSIZE_T)
# define YYSIZE_T unsigned int
#endif
#define yyerrok (yyerrstatus = 0)
#define yyclearin (yychar = YYEMPTY)
#define YYEMPTY (-2)
#define YYEOF 0
#define YYACCEPT goto yyacceptlab
#define YYABORT goto yyabortlab
#define YYERROR goto yyerrlab1
/* Like YYERROR except do call yyerror. This remains here temporarily
to ease the transition to the new meaning of YYERROR, for GCC.
Once GCC version 2 has supplanted version 1, this can go. */
#define YYFAIL goto yyerrlab
#define YYRECOVERING() (!!yyerrstatus)
#define YYBACKUP(Token, Value) \do \ if (yychar == YYEMPTY && yylen == 1) \ { \ yychar = (Token); \ yylval = (Value); \ yytoken = YYTRANSLATE (yychar); \ YYPOPSTACK; \ goto yybackup; \ } \ else \ { \ yyerror ("syntax error: cannot back up");\ YYERROR; \ } \while (0)
#define YYTERROR 1
#define YYERRCODE 256
/* YYLLOC_DEFAULT -- Compute the default location (before the actions
are run). */
#ifndef YYLLOC_DEFAULT
# define YYLLOC_DEFAULT(Current, Rhs, N) \ Current.first_line = Rhs[1].first_line; \ Current.first_column = Rhs[1].first_column; \ Current.last_line = Rhs[N].last_line; \ Current.last_column = Rhs[N].last_column;
#endif
/* YYLEX -- calling `yylex' with the right arguments. */
#ifdef YYLEX_PARAM
# define YYLEX yylex (YYLEX_PARAM)
#else
# define YYLEX yylex ()
#endif
/* Enable debugging if requested. */
#if YYDEBUG
# ifndef YYFPRINTF
# include <stdio.h> /* INFRINGES ON USER NAME SPACE */
# define YYFPRINTF fprintf
# endif
# define YYDPRINTF(Args) \do { \ if (yydebug) \ YYFPRINTF Args; \} while (0)
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