| 1 | %{
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| 2 | /* $NetBSD: nslexer.l,v 1.3 1999/01/25 00:16:17 lukem Exp $ */
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| 3 |
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| 4 | /*-
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| 5 | * Copyright (c) 1997, 1998, 1999 The NetBSD Foundation, Inc.
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| 6 | * All rights reserved.
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| 7 | *
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| 8 | * This code is derived from software contributed to The NetBSD Foundation
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| 9 | * by Luke Mewburn.
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| 10 | *
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| 11 | * Redistribution and use in source and binary forms, with or without
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| 12 | * modification, are permitted provided that the following conditions
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| 13 | * are met:
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| 14 | * 1. Redistributions of source code must retain the above copyright
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| 15 | * notice, this list of conditions and the following disclaimer.
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| 16 | * 2. Redistributions in binary form must reproduce the above copyright
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| 17 | * notice, this list of conditions and the following disclaimer in the
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| 18 | * documentation and/or other materials provided with the distribution.
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| 19 | * 3. All advertising materials mentioning features or use of this software
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| 20 | * must display the following acknowledgement:
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| 21 | * This product includes software developed by the NetBSD
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| 22 | * Foundation, Inc. and its contributors.
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| 23 | * 4. Neither the name of The NetBSD Foundation nor the names of its
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| 24 | * contributors may be used to endorse or promote products derived
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| 25 | * from this software without specific prior written permission.
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| 26 | *
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| 27 | * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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| 28 | * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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| 29 | * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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| 30 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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| 31 | * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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| 32 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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| 33 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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| 34 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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| 35 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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| 36 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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| 37 | * POSSIBILITY OF SUCH DAMAGE.
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| 38 | */
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| 39 |
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| 40 | #include <sys/cdefs.h>
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| 41 | #if defined(LIBC_SCCS) && !defined(lint)
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| 42 | static char *rcsid =
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| 43 | "$FreeBSD: src/lib/libc/net/nslexer.l,v 1.5 2003/04/17 14:14:22 nectar Exp $";
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| 44 | #endif /* LIBC_SCCS and not lint */
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| 45 |
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| 46 | #include "namespace.h"
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| 47 | #include <ctype.h>
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| 48 | #define _NS_PRIVATE
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| 49 | #include <nsswitch.h>
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| 50 | #include <string.h>
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| 51 | #include <syslog.h>
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| 52 | #include "un-namespace.h"
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| 53 |
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| 54 | #include "nsparser.h"
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| 55 |
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| 56 | #define YY_NO_UNPUT
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| 57 |
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| 58 | %}
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| 59 |
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| 60 | %option yylineno
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| 61 |
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| 62 | BLANK [ \t]
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| 63 | CR \n
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| 64 | STRING [a-zA-Z][a-zA-Z0-9_]*
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| 65 |
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| 66 | %%
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| 67 |
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| 68 | {BLANK}+ ; /* skip whitespace */
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| 69 |
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| 70 | #.* ; /* skip comments */
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| 71 |
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| 72 | \\{CR} ; /* allow continuation */
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| 73 |
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| 74 | {CR} return NL;
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| 75 |
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| 76 | [sS][uU][cC][cC][eE][sS][sS] return SUCCESS;
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| 77 | [uU][nN][aA][vV][aA][iI][lL] return UNAVAIL;
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| 78 | [nN][oO][tT][fF][oO][uU][nN][dD] return NOTFOUND;
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| 79 | [tT][rR][yY][aA][gG][aA][iI][nN] return TRYAGAIN;
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| 80 |
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| 81 | [rR][eE][tT][uU][rR][nN] return RETURN;
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| 82 | [cC][oO][nN][tT][iI][nN][uU][eE] return CONTINUE;
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| 83 |
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| 84 | {STRING} {
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| 85 | char *p;
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| 86 | int i;
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| 87 |
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| 88 | if ((p = strdup(yytext)) == NULL) {
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| 89 | syslog(LOG_ERR,
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| 90 | "NSSWITCH(nslexer): memory allocation failure");
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| 91 | return ERRORTOKEN;
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| 92 | }
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| 93 | for (i = 0; i < strlen(p); i++) {
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| 94 | if (isupper((unsigned char)p[i]))
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| 95 | p[i] = tolower((unsigned char)p[i]);
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| 96 | }
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| 97 | _nsyylval.str = p;
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| 98 | return STRING;
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| 99 | }
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| 100 |
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| 101 | . return yytext[0];
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| 102 |
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| 103 | %%
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| 104 |
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| 105 | #undef _nsyywrap
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| 106 | int
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| 107 | _nsyywrap()
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| 108 | {
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| 109 | return 1;
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| 110 | } /* _nsyywrap */
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| 111 |
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| 112 | void
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| 113 | _nsyyerror(msg)
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| 114 | const char *msg;
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| 115 | {
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| 116 |
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| 117 | syslog(LOG_ERR, "NSSWITCH(nslexer): %s line %d: %s at '%s'",
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| 118 | _PATH_NS_CONF, yylineno, msg, yytext);
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| 119 | } /* _nsyyerror */
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