#include <sys/cdefs.h>
#ifndef lint
#if 0
static char yysccsid[] = "@(#)yaccpar 1.9 (Berkeley) 02/21/93";
#else
__IDSTRING(yyrcsid, "$NetBSD: skeleton.c,v 1.14 1997/10/20 03:41:16 lukem Exp $");
#endif
#endif
#include <stdlib.h>
#define YYBYACC 1
#define YYMAJOR 1
#define YYMINOR 9
#define YYLEX yylex()
#define YYEMPTY -1
#define yyclearin (yychar=(YYEMPTY))
#define yyerrok (yyerrflag=0)
#define YYRECOVERING (yyerrflag!=0)
#define yyparse conf_parse
#define yylex conf_lex
#define yyerror conf_error
#define yychar conf_char
#define yyval conf_val
#define yylval conf_lval
#define yydebug conf_debug
#define yynerrs conf_nerrs
#define yyerrflag conf_errflag
#define yyss conf_ss
#define yysslim conf_sslim
#define yyssp conf_ssp
#define yyvs conf_vs
#define yyvsp conf_vsp
#define yystacksize conf_stacksize
#define yylhs conf_lhs
#define yylen conf_len
#define yydefred conf_defred
#define yydgoto conf_dgoto
#define yysindex conf_sindex
#define yyrindex conf_rindex
#define yygindex conf_gindex
#define yytable conf_table
#define yycheck conf_check
#define yyname conf_name
#define yyrule conf_rule
#define YYPREFIX "conf_"
#line 19 "conf_parse.y"
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <unistd.h>
#include "types.h"
#include "conf_parse.h"
#include "conf_variable.h"
extern int conf_lineno;
int conf_lex(void);
int conf_parse(void);
void conf_restart(FILE *input_file);
void conf_error(const char *str);
variable_list_t variable_list;
#line 51 "conf_parse.y"
typedef union {
char *string;
struct variable* v;
} YYSTYPE;
#line 73 "yacc.conf_parse.tab.c"
#define VARIABLE 257
#define STRING 258
#define CIDR 259
#define RANGE 260
#define SINGLEIP 261
#define HOSTNAME 262
#define QUOTE 263
#define OBRACE 264
#define EBRACE 265
#define OPAREN 266
#define EPAREN 267
#define SEMICOLON 268
#define COMMA 269
#define ASSIGN 270
#define STDINTOK 271
#define STDOUTTOK 272
#define TEXTTOK 273
#define CIDRTOK 274
#define RANGETOK 275
#define SINGLETOK 276
#define LOADTOK 277
#define SAVETOK 278
#define UNIONTOK 279
#define DIFFERENCETOK 280
#define INTERSECTTOK 281
#define INVERTTOK 282
#define P2BTOK 283
#define YYERRCODE 256
short conf_lhs[] = { -1,
0, 0, 10, 10, 2, 1, 1, 1, 1, 1,
1, 1, 1, 11, 4, 4, 4, 4, 4, 4,
4, 4, 3, 3, 5, 5, 5, 5, 6, 7,
8, 9, 12, 12, 12, 12, 12, 12,
};
short conf_len[] = { 2,
3, 0, 1, 1, 3, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 3, 3,
3, 3, 2, 3, 6, 6, 6, 6, 6, 6,
6, 4, 8, 8, 8, 8, 8, 8,
};
short conf_defred[] = { 2,
0, 0, 0, 0, 0, 0, 0, 0, 0, 3,
7, 8, 9, 10, 11, 12, 13, 0, 4, 14,
0, 15, 16, 17, 18, 23, 0, 0, 0, 0,
0, 0, 0, 1, 5, 24, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 19, 20, 21, 22,
0, 0, 0, 0, 0, 0, 0, 0, 32, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 25, 27, 26, 28, 0, 0, 0, 0,
0, 0, 29, 30, 31, 0, 0, 0, 0, 0,
0, 33, 36, 34, 37, 35, 38,
};
short conf_dgoto[] = { 1,
10, 11, 12, 27, 13, 14, 15, 16, 17, 18,
19, 20,
};
short conf_sindex[] = { 0,
-256, -268, -221, -232, -215, -211, -201, -200, -199, 0,
0, 0, 0, 0, 0, 0, 0, -225, 0, 0,
-250, 0, 0, 0, 0, 0, -223, -267, -222, -250,
-250, -250, -250, 0, 0, 0, -212, -224, -198, -197,
-196, -195, -194, -193, -192, -189, 0, 0, 0, 0,
-243, -238, -255, -254, -253, -250, -250, -250, 0, -188,
-187, -186, -185, -184, -183, -182, -181, -180, -179, -176,
-175, -174, 0, 0, 0, 0, -250, -250, -250, -250,
-250, -250, 0, 0, 0, -173, -172, -171, -170, -169,
-168, 0, 0, 0, 0, 0, 0,
};
short conf_rindex[] = { 0,
0, -205, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0,
};
short conf_gindex[] = { 0,
-21, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0,
};
#define YYTABLESIZE 99
short conf_table[] = { 35,
2, 21, 64, 66, 68, 38, 2, 3, 43, 44,
45, 46, 0, 3, 60, 39, 65, 67, 69, 62,
4, 5, 6, 7, 8, 9, 4, 61, 6, 7,
8, 9, 63, 28, 70, 71, 72, 22, 23, 24,
25, 36, 34, 26, 51, 37, 47, 48, 49, 50,
29, 40, 41, 42, 30, 86, 87, 88, 89, 90,
91, 6, 6, 6, 31, 32, 33, 0, 0, 0,
52, 53, 54, 55, 56, 57, 58, 59, 73, 74,
75, 76, 0, 0, 77, 78, 79, 80, 81, 82,
83, 84, 85, 92, 93, 94, 95, 96, 97,
};
short conf_check[] = { 21,
257, 270, 258, 258, 258, 273, 257, 264, 30, 31,
32, 33, -1, 264, 258, 283, 272, 272, 272, 258,
277, 278, 279, 280, 281, 282, 277, 271, 279, 280,
281, 282, 271, 266, 56, 57, 58, 259, 260, 261,
262, 265, 268, 265, 269, 269, 259, 260, 261, 262,
266, 274, 275, 276, 266, 77, 78, 79, 80, 81,
82, 267, 268, 269, 266, 266, 266, -1, -1, -1,
269, 269, 269, 269, 269, 269, 269, 267, 267, 267,
267, 267, -1, -1, 269, 269, 269, 269, 269, 269,
267, 267, 267, 267, 267, 267, 267, 267, 267,
};
#define YYFINAL 1
#ifndef YYDEBUG
#define YYDEBUG 0
#endif
#define YYMAXTOKEN 283
#if YYDEBUG
char *conf_name[] = {
"end-of-file",0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,"VARIABLE","STRING","CIDR",
"RANGE","SINGLEIP","HOSTNAME","QUOTE","OBRACE","EBRACE","OPAREN","EPAREN",
"SEMICOLON","COMMA","ASSIGN","STDINTOK","STDOUTTOK","TEXTTOK","CIDRTOK",
"RANGETOK","SINGLETOK","LOADTOK","SAVETOK","UNIONTOK","DIFFERENCETOK",
"INTERSECTTOK","INVERTTOK","P2BTOK",
};
char *conf_rule[] = {
"$accept : statements",
"statements : statements statement SEMICOLON",
"statements :",
"statement : table_statement",
"statement : void_statement",
"assign : VARIABLE ASSIGN table_statement",
"table_statement : VARIABLE",
"table_statement : assign",
"table_statement : table_literal",
"table_statement : load_statement",
"table_statement : union_statement",
"table_statement : difference_statement",
"table_statement : intersection_statement",
"table_statement : invert_statement",
"void_statement : save_statement",
"table_literal_entry : CIDR",
"table_literal_entry : RANGE",
"table_literal_entry : SINGLEIP",
"table_literal_entry : HOSTNAME",
"table_literal_entry : table_literal_entry COMMA CIDR",
"table_literal_entry : table_literal_entry COMMA RANGE",
"table_literal_entry : table_literal_entry COMMA SINGLEIP",
"table_literal_entry : table_literal_entry COMMA HOSTNAME",
"table_literal : OBRACE EBRACE",
"table_literal : OBRACE table_literal_entry EBRACE",
"load_statement : LOADTOK OPAREN TEXTTOK COMMA STRING EPAREN",
"load_statement : LOADTOK OPAREN P2BTOK COMMA STRING EPAREN",
"load_statement : LOADTOK OPAREN TEXTTOK COMMA STDINTOK EPAREN",
"load_statement : LOADTOK OPAREN P2BTOK COMMA STDINTOK EPAREN",
"union_statement : UNIONTOK OPAREN table_statement COMMA table_statement EPAREN",
"difference_statement : DIFFERENCETOK OPAREN table_statement COMMA table_statement EPAREN",
"intersection_statement : INTERSECTTOK OPAREN table_statement COMMA table_statement EPAREN",
"invert_statement : INVERTTOK OPAREN table_statement EPAREN",
"save_statement : SAVETOK OPAREN CIDRTOK COMMA STRING COMMA table_statement EPAREN",
"save_statement : SAVETOK OPAREN RANGETOK COMMA STRING COMMA table_statement EPAREN",
"save_statement : SAVETOK OPAREN SINGLETOK COMMA STRING COMMA table_statement EPAREN",
"save_statement : SAVETOK OPAREN CIDRTOK COMMA STDOUTTOK COMMA table_statement EPAREN",
"save_statement : SAVETOK OPAREN RANGETOK COMMA STDOUTTOK COMMA table_statement EPAREN",
"save_statement : SAVETOK OPAREN SINGLETOK COMMA STDOUTTOK COMMA table_statement EPAREN",
};
#endif
#ifdef YYSTACKSIZE
#undef YYMAXDEPTH
#define YYMAXDEPTH YYSTACKSIZE
#else
#ifdef YYMAXDEPTH
#define YYSTACKSIZE YYMAXDEPTH
#else
#define YYSTACKSIZE 10000
#define YYMAXDEPTH 10000
#endif
#endif
#define YYINITSTACKSIZE 200
int yydebug;
int yynerrs;
int yyerrflag;
int yychar;
short *yyssp;
YYSTYPE *yyvsp;
YYSTYPE yyval;
YYSTYPE yylval;
short *yyss;
short *yysslim;
YYSTYPE *yyvs;
int yystacksize;
#line 138 "conf_parse.y"
void
conf_parse_file(const char *file) {
FILE *f = fopen(file, "r");
if (f == NULL) {
fprintf(stderr, "Error opening file %s.\n", file);
return;
}
variable_list_init(&variable_list);
conf_restart(f);
conf_parse();
variable_list_destroy(&variable_list);
fclose(f);
}
void
conf_parse_str(const char *c) {
int fd[2];
FILE *f;
int len;
if (pipe(fd)) {
fprintf(stderr, "Error opening pipe.\n");
return;
}
len = strlen(c);
if (write(fd[1], c, len) != len) {
fprintf(stderr, "Error writing string to pipe.\n");
return;
}
close(fd[1]);
f = fdopen(fd[0], "r");
variable_list_init(&variable_list);
conf_restart(f);
conf_parse();
variable_list_destroy(&variable_list);
fclose(f);
}
void
conf_error(const char *str) {
fprintf(stderr,"error: %s on line: %d\n",str, conf_lineno);
}
#line 311 "yacc.conf_parse.tab.c"
/* allocate initial stack or double stack size, up to YYMAXDEPTH */
int yyparse __P((void));
static int yygrowstack __P((void));
static int yygrowstack()
{
int newsize, i;
short *newss;
YYSTYPE *newvs;
if ((newsize = yystacksize) == 0)
newsize = YYINITSTACKSIZE;
else if (newsize >= YYMAXDEPTH)
return -1;
else if ((newsize *= 2) > YYMAXDEPTH)
newsize = YYMAXDEPTH;
i = yyssp - yyss;
if ((newss = (short *)realloc(yyss, newsize * sizeof *newss)) == NULL)
return -1;
yyss = newss;
yyssp = newss + i;
if ((newvs = (YYSTYPE *)realloc(yyvs, newsize * sizeof *newvs)) == NULL)
return -1;
yyvs = newvs;
yyvsp = newvs + i;
yystacksize = newsize;
yysslim = yyss + newsize - 1;
return 0;
}
#define YYABORT goto yyabort
#define YYREJECT goto yyabort
#define YYACCEPT goto yyaccept
#define YYERROR goto yyerrlab
int
yyparse()
{
int yym, yyn, yystate;
#if YYDEBUG
char *yys;
if ((yys = getenv("YYDEBUG")) != NULL)
{
yyn = *yys;
if (yyn >= '0' && yyn <= '9')
yydebug = yyn - '0';
}
#endif
yynerrs = 0;
yyerrflag = 0;
yychar = (-1);
if (yyss == NULL && yygrowstack()) goto yyoverflow;
yyssp = yyss;
yyvsp = yyvs;
*yyssp = yystate = 0;
yyloop:
if ((yyn = yydefred[yystate]) != 0) goto yyreduce;
if (yychar < 0)
{
if ((yychar = yylex()) < 0) yychar = 0;
#if YYDEBUG
if (yydebug)
{
yys = 0;
if (yychar <= YYMAXTOKEN) yys = yyname[yychar];
if (!yys) yys = "illegal-symbol";
printf("%sdebug: state %d, reading %d (%s)\n",
YYPREFIX, yystate, yychar, yys);
}
#endif
}
if ((yyn = yysindex[yystate]) && (yyn += yychar) >= 0 &&
yyn <= YYTABLESIZE && yycheck[yyn] == yychar)
{
#if YYDEBUG
if (yydebug)
printf("%sdebug: state %d, shifting to state %d\n",
YYPREFIX, yystate, yytable[yyn]);
#endif
if (yyssp >= yysslim && yygrowstack())
{
goto yyoverflow;
}
*++yyssp = yystate = yytable[yyn];
*++yyvsp = yylval;
yychar = (-1);
if (yyerrflag > 0) --yyerrflag;
goto yyloop;
}
if ((yyn = yyrindex[yystate]) && (yyn += yychar) >= 0 &&
yyn <= YYTABLESIZE && yycheck[yyn] == yychar)
{
yyn = yytable[yyn];
goto yyreduce;
}
if (yyerrflag) goto yyinrecovery;
goto yynewerror;
yynewerror:
yyerror("syntax error");
goto yyerrlab;
yyerrlab:
++yynerrs;
yyinrecovery:
if (yyerrflag < 3)
{
yyerrflag = 3;
for (;;)
{
if ((yyn = yysindex[*yyssp]) && (yyn += YYERRCODE) >= 0 &&
yyn <= YYTABLESIZE && yycheck[yyn] == YYERRCODE)
{
#if YYDEBUG
if (yydebug)
printf("%sdebug: state %d, error recovery shifting\
to state %d\n", YYPREFIX, *yyssp, yytable[yyn]);
#endif
if (yyssp >= yysslim && yygrowstack())
{
goto yyoverflow;
}
*++yyssp = yystate = yytable[yyn];
*++yyvsp = yylval;
goto yyloop;
}
else
{
#if YYDEBUG
if (yydebug)
printf("%sdebug: error recovery discarding state %d\n",
YYPREFIX, *yyssp);
#endif
if (yyssp <= yyss) goto yyabort;
--yyssp;
--yyvsp;
}
}
}
else
{
if (yychar == 0) goto yyabort;
#if YYDEBUG
if (yydebug)
{
yys = 0;
if (yychar <= YYMAXTOKEN) yys = yyname[yychar];
if (!yys) yys = "illegal-symbol";
printf("%sdebug: state %d, error recovery discards token %d (%s)\n",
YYPREFIX, yystate, yychar, yys);
}
#endif
yychar = (-1);
goto yyloop;
}
yyreduce:
#if YYDEBUG
if (yydebug)
printf("%sdebug: state %d, reducing by rule %d (%s)\n",
YYPREFIX, yystate, yyn, yyrule[yyn]);
#endif
yym = yylen[yyn];
yyval = yyvsp[1-yym];
switch (yyn)
{
case 5:
#line 70 "conf_parse.y"
{ variable_assign(&variable_list, yyvsp[-2].string, yyvsp[0].v); yyval.v = yyvsp[0].v; }
break;
case 6:
#line 74 "conf_parse.y"
{ yyval.v = variable_get(&variable_list, yyvsp[0].string); }
break;
case 15:
#line 89 "conf_parse.y"
{ yyval.v = variable_create(); variable_insert_cidr(yyval.v, yyvsp[0].string); }
break;
case 16:
#line 90 "conf_parse.y"
{ yyval.v = variable_create(); variable_insert_range(yyval.v, yyvsp[0].string); }
break;
case 17:
#line 91 "conf_parse.y"
{ yyval.v = variable_create(); variable_insert_single(yyval.v, yyvsp[0].string); }
break;
case 18:
#line 92 "conf_parse.y"
{ yyval.v = variable_create(); variable_insert_hostname(yyval.v, yyvsp[0].string); }
break;
case 19:
#line 93 "conf_parse.y"
{ yyval.v = variable_insert_cidr(yyvsp[-2].v, yyvsp[0].string); }
break;
case 20:
#line 94 "conf_parse.y"
{ yyval.v = variable_insert_range(yyvsp[-2].v, yyvsp[0].string); }
break;
case 21:
#line 95 "conf_parse.y"
{ yyval.v = variable_insert_single(yyvsp[-2].v, yyvsp[0].string); }
break;
case 22:
#line 96 "conf_parse.y"
{ yyval.v = variable_insert_hostname(yyvsp[-2].v, yyvsp[0].string); }
break;
case 23:
#line 100 "conf_parse.y"
{ yyval.v = variable_create(); }
break;
case 24:
#line 101 "conf_parse.y"
{ yyval.v = yyvsp[-1].v; }
break;
case 25:
#line 105 "conf_parse.y"
{ yyval.v = variable_load_text(yyvsp[-1].string); }
break;
case 26:
#line 106 "conf_parse.y"
{ yyval.v = variable_load_p2b(yyvsp[-1].string); }
break;
case 27:
#line 107 "conf_parse.y"
{ yyval.v = variable_load_text(NULL); }
break;
case 28:
#line 108 "conf_parse.y"
{ yyval.v = variable_load_p2b(NULL); }
break;
case 29:
#line 112 "conf_parse.y"
{ yyval.v= variable_union(yyvsp[-3].v, yyvsp[-1].v); }
break;
case 30:
#line 116 "conf_parse.y"
{ yyval.v = variable_difference(yyvsp[-3].v, yyvsp[-1].v); }
break;
case 31:
#line 120 "conf_parse.y"
{ yyval.v = variable_intersect(yyvsp[-3].v, yyvsp[-1].v); }
break;
case 32:
#line 124 "conf_parse.y"
{ yyval.v = variable_invert(yyvsp[-1].v); }
break;
case 33:
#line 128 "conf_parse.y"
{ variable_save_cidr(yyvsp[-3].string, yyvsp[-1].v); }
break;
case 34:
#line 129 "conf_parse.y"
{ variable_save_range(yyvsp[-3].string, yyvsp[-1].v); }
break;
case 35:
#line 130 "conf_parse.y"
{ variable_save_single(yyvsp[-3].string, yyvsp[-1].v); }
break;
case 36:
#line 131 "conf_parse.y"
{ variable_save_cidr(NULL, yyvsp[-1].v); }
break;
case 37:
#line 132 "conf_parse.y"
{ variable_save_range(NULL, yyvsp[-1].v); }
break;
case 38:
#line 133 "conf_parse.y"
{ variable_save_single(NULL, yyvsp[-1].v); }
break;
#line 581 "yacc.conf_parse.tab.c"
}
yyssp -= yym;
yystate = *yyssp;
yyvsp -= yym;
yym = yylhs[yyn];
if (yystate == 0 && yym == 0)
{
#if YYDEBUG
if (yydebug)
printf("%sdebug: after reduction, shifting from state 0 to\
state %d\n", YYPREFIX, YYFINAL);
#endif
yystate = YYFINAL;
*++yyssp = YYFINAL;
*++yyvsp = yyval;
if (yychar < 0)
{
if ((yychar = yylex()) < 0) yychar = 0;
#if YYDEBUG
if (yydebug)
{
yys = 0;
if (yychar <= YYMAXTOKEN) yys = yyname[yychar];
if (!yys) yys = "illegal-symbol";
printf("%sdebug: state %d, reading %d (%s)\n",
YYPREFIX, YYFINAL, yychar, yys);
}
#endif
}
if (yychar == 0) goto yyaccept;
goto yyloop;
}
if ((yyn = yygindex[yym]) && (yyn += yystate) >= 0 &&
yyn <= YYTABLESIZE && yycheck[yyn] == yystate)
yystate = yytable[yyn];
else
yystate = yydgoto[yym];
#if YYDEBUG
if (yydebug)
printf("%sdebug: after reduction, shifting from state %d \
to state %d\n", YYPREFIX, *yyssp, yystate);
#endif
if (yyssp >= yysslim && yygrowstack())
{
goto yyoverflow;
}
*++yyssp = yystate;
*++yyvsp = yyval;
goto yyloop;
yyoverflow:
yyerror("yacc stack overflow");
yyabort:
return (1);
yyaccept:
return (0);
}
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