diff options
Diffstat (limited to 'newlib/libc/sys/linux/net/nsparser.c')
| -rw-r--r-- | newlib/libc/sys/linux/net/nsparser.c | 541 |
1 files changed, 541 insertions, 0 deletions
diff --git a/newlib/libc/sys/linux/net/nsparser.c b/newlib/libc/sys/linux/net/nsparser.c new file mode 100644 index 000000000..b4701aed1 --- /dev/null +++ b/newlib/libc/sys/linux/net/nsparser.c @@ -0,0 +1,541 @@ +#ifndef lint +static char yysccsid[] = "@(#)yaccpar 1.9 (Berkeley) 02/21/93"; +#endif +#define YYBYACC 1 +#define YYMAJOR 1 +#define YYMINOR 9 +#define yyclearin (yychar=(-1)) +#define yyerrok (yyerrflag=0) +#define YYRECOVERING (yyerrflag!=0) +#define yyparse _nsyyparse +#define yylex _nsyylex +#define yyerror _nsyyerror +#define yychar _nsyychar +#define yyval _nsyyval +#define yylval _nsyylval +#define yydebug _nsyydebug +#define yynerrs _nsyynerrs +#define yyerrflag _nsyyerrflag +#define yyss _nsyyss +#define yyssp _nsyyssp +#define yyvs _nsyyvs +#define yyvsp _nsyyvsp +#define yylhs _nsyylhs +#define yylen _nsyylen +#define yydefred _nsyydefred +#define yydgoto _nsyydgoto +#define yysindex _nsyysindex +#define yyrindex _nsyyrindex +#define yygindex _nsyygindex +#define yytable _nsyytable +#define yycheck _nsyycheck +#define yyname _nsyyname +#define yyrule _nsyyrule +#define YYPREFIX "_nsyy" +#line 2 "nsparser.y" +/* $NetBSD: nsparser.y,v 1.3 1999/01/25 00:16:18 lukem Exp $ */ + +/*- + * Copyright (c) 1997, 1998, 1999 The NetBSD Foundation, Inc. + * All rights reserved. + * + * This code is derived from software contributed to The NetBSD Foundation + * by Luke Mewburn. + * + * 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. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the NetBSD + * Foundation, Inc. and its contributors. + * 4. Neither the name of The NetBSD Foundation nor the names of its + * contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. 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 FOUNDATION 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. + */ + +#include <sys/cdefs.h> +#if defined(LIBC_SCCS) && !defined(lint) +static char *rcsid = + "$FreeBSD: src/lib/libc/net/nsparser.y,v 1.3 2002/03/21 22:47:17 obrien Exp $"; +#endif /* LIBC_SCCS and not lint */ + +#define _NS_PRIVATE +#include <nsswitch.h> +#include <stdio.h> +#include <string.h> + + +static void _nsaddsrctomap(const char *); + +static ns_dbt curdbt; +static ns_src cursrc; +#line 59 "nsparser.y" +typedef union { + char *str; + int mapval; +} YYSTYPE; +#line 97 "y.tab.c" +#define NL 257 +#define SUCCESS 258 +#define UNAVAIL 259 +#define NOTFOUND 260 +#define TRYAGAIN 261 +#define RETURN 262 +#define CONTINUE 263 +#define STRING 264 +#define YYERRCODE 256 +short _nsyylhs[] = { -1, + 0, 0, 3, 3, 4, 4, 4, 4, 5, 6, + 6, 7, 9, 7, 8, 8, 10, 1, 1, 1, + 1, 2, 2, +}; +short _nsyylen[] = { 2, + 0, 1, 1, 2, 1, 3, 4, 2, 1, 1, + 2, 1, 0, 5, 1, 2, 3, 1, 1, 1, + 1, 1, 1, +}; +short _nsyydefred[] = { 0, + 0, 5, 9, 0, 0, 3, 0, 8, 4, 0, + 6, 0, 0, 10, 13, 7, 11, 0, 18, 19, + 20, 21, 0, 0, 15, 0, 14, 16, 22, 23, + 17, +}; +short _nsyydgoto[] = { 4, + 23, 31, 5, 6, 7, 13, 14, 24, 18, 25, +}; +short _nsyysindex[] = { -255, + -249, 0, 0, 0, -255, 0, -41, 0, 0, -254, + 0, -73, -253, 0, 0, 0, 0, -245, 0, 0, + 0, 0, -42, -93, 0, -256, 0, 0, 0, 0, + 0, +}; +short _nsyyrindex[] = { 20, + 0, 0, 0, 0, 21, 0, 0, 0, 0, 0, + 0, -252, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, +}; +short _nsyygindex[] = { 0, + 0, 0, 0, 17, 0, 0, 10, 0, 0, 1, +}; +#define YYTABLESIZE 168 +short _nsyytable[] = { 27, + 1, 2, 11, 16, 12, 29, 30, 8, 3, 12, + 12, 12, 19, 20, 21, 22, 10, 15, 26, 1, + 2, 9, 17, 0, 28, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 19, 20, 21, 22, +}; +short _nsyycheck[] = { 93, + 256, 257, 257, 257, 257, 262, 263, 257, 264, 264, + 264, 264, 258, 259, 260, 261, 58, 91, 61, 0, + 0, 5, 13, -1, 24, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, 258, 259, 260, 261, +}; +#define YYFINAL 4 +#ifndef YYDEBUG +#define YYDEBUG 0 +#endif +#define YYMAXTOKEN 264 +#if YYDEBUG +char *_nsyyname[] = { +"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,"NL","SUCCESS", +"UNAVAIL","NOTFOUND","TRYAGAIN","RETURN","CONTINUE","STRING", +}; +char *_nsyyrule[] = { +"$accept : File", +"File :", +"File : Lines", +"Lines : Entry", +"Lines : Lines Entry", +"Entry : NL", +"Entry : Database ':' NL", +"Entry : Database ':' Srclist NL", +"Entry : error NL", +"Database : STRING", +"Srclist : Item", +"Srclist : Srclist Item", +"Item : STRING", +"$$1 :", +"Item : STRING '[' $$1 Criteria ']'", +"Criteria : Criterion", +"Criteria : Criteria Criterion", +"Criterion : Status '=' Action", +"Status : SUCCESS", +"Status : UNAVAIL", +"Status : NOTFOUND", +"Status : TRYAGAIN", +"Action : RETURN", +"Action : CONTINUE", +}; +#endif +#ifdef YYSTACKSIZE +#undef YYMAXDEPTH +#define YYMAXDEPTH YYSTACKSIZE +#else +#ifdef YYMAXDEPTH +#define YYSTACKSIZE YYMAXDEPTH +#else +#define YYSTACKSIZE 500 +#define YYMAXDEPTH 500 +#endif +#endif +int yydebug; +int yynerrs; +int yyerrflag; +int yychar; +short *yyssp; +YYSTYPE *yyvsp; +YYSTYPE yyval; +YYSTYPE yylval; +short yyss[YYSTACKSIZE]; +YYSTYPE yyvs[YYSTACKSIZE]; +#define yystacksize YYSTACKSIZE +#line 150 "nsparser.y" + +static void +_nsaddsrctomap(elem) + const char *elem; +{ + int i, lineno; + extern int _nsyylineno; + extern char * _nsyytext; + + lineno = _nsyylineno - (*_nsyytext == '\n' ? 1 : 0); + if (curdbt.srclistsize > 0) { + if ((strcasecmp(elem, NSSRC_COMPAT) == 0) || + (strcasecmp(curdbt.srclist[0].name, NSSRC_COMPAT) == 0)) { + /* XXX: syslog the following */ + printf("line %d 'compat' used with other sources", + lineno); + return; + } + } + for (i = 0; i < curdbt.srclistsize; i++) { + if (strcasecmp(curdbt.srclist[i].name, elem) == 0) { + /* XXX: syslog the following */ + printf("%s line %d: duplicate source '%s'", + lineno, elem); + return; + } + } + cursrc.name = elem; + _nsdbtaddsrc(&curdbt, &cursrc); +} +#line 276 "y.tab.c" +#define YYABORT goto yyabort +#define YYREJECT goto yyabort +#define YYACCEPT goto yyaccept +#define YYERROR goto yyerrlab +int +yyparse() +{ + register int yym, yyn, yystate; +#if YYDEBUG + register char *yys; + extern char *getenv(); + + if (yys = getenv("YYDEBUG")) + { + yyn = *yys; + if (yyn >= '0' && yyn <= '9') + yydebug = yyn - '0'; + } +#endif + + yynerrs = 0; + yyerrflag = 0; + yychar = (-1); + + yyssp = yyss; + yyvsp = yyvs; + *yyssp = yystate = 0; + +yyloop: + if (yyn = yydefred[yystate]) 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 >= yyss + yystacksize - 1) + { + 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; +#ifdef lint + goto yynewerror; +#endif +yynewerror: + yyerror("syntax error"); +#ifdef lint + goto yyerrlab; +#endif +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 >= yyss + yystacksize - 1) + { + 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 7: +#line 87 "nsparser.y" +{ + _nsdbtput(&curdbt); + } +break; +case 8: +#line 91 "nsparser.y" +{ + yyerrok; + } +break; +case 9: +#line 98 "nsparser.y" +{ + curdbt.name = yylval.str; + curdbt.srclist = NULL; + curdbt.srclistsize = 0; + } +break; +case 12: +#line 112 "nsparser.y" +{ + cursrc.flags = NS_SUCCESS; + _nsaddsrctomap(yyvsp[0].str); + } +break; +case 13: +#line 116 "nsparser.y" +{ cursrc.flags = NS_SUCCESS; } +break; +case 14: +#line 117 "nsparser.y" +{ + _nsaddsrctomap(yyvsp[-4].str); + } +break; +case 17: +#line 129 "nsparser.y" +{ + if (yyvsp[0].mapval) /* if action == RETURN set RETURN bit */ + cursrc.flags |= yyvsp[-2].mapval; + else /* else unset it */ + cursrc.flags &= ~yyvsp[-2].mapval; + } +break; +case 18: +#line 138 "nsparser.y" +{ yyval.mapval = NS_SUCCESS; } +break; +case 19: +#line 139 "nsparser.y" +{ yyval.mapval = NS_UNAVAIL; } +break; +case 20: +#line 140 "nsparser.y" +{ yyval.mapval = NS_NOTFOUND; } +break; +case 21: +#line 141 "nsparser.y" +{ yyval.mapval = NS_TRYAGAIN; } +break; +case 22: +#line 145 "nsparser.y" +{ yyval.mapval = 1L; } +break; +case 23: +#line 146 "nsparser.y" +{ yyval.mapval = 0L; } +break; +#line 487 "y.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 >= yyss + yystacksize - 1) + { + goto yyoverflow; + } + *++yyssp = yystate; + *++yyvsp = yyval; + goto yyloop; +yyoverflow: + yyerror("yacc stack overflow"); +yyabort: + return (1); +yyaccept: + return (0); +} |