1 %{ 2 /* $NetBSD: nslexer.l,v 1.3 1999/01/25 00:16:17 lukem Exp $ */ 3 4 /*- 5 * SPDX-License-Identifier: BSD-2-Clause 6 * 7 * Copyright (c) 1997, 1998, 1999 The NetBSD Foundation, Inc. 8 * All rights reserved. 9 * 10 * This code is derived from software contributed to The NetBSD Foundation 11 * by Luke Mewburn. 12 * 13 * Redistribution and use in source and binary forms, with or without 14 * modification, are permitted provided that the following conditions 15 * are met: 16 * 1. Redistributions of source code must retain the above copyright 17 * notice, this list of conditions and the following disclaimer. 18 * 2. Redistributions in binary form must reproduce the above copyright 19 * notice, this list of conditions and the following disclaimer in the 20 * documentation and/or other materials provided with the distribution. 21 * 22 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 23 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 24 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 25 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 26 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 27 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 28 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 29 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 30 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 31 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 32 * POSSIBILITY OF SUCH DAMAGE. 33 */ 34 35 #include "namespace.h" 36 #include <ctype.h> 37 #define _NS_PRIVATE 38 #include <nsswitch.h> 39 #include <string.h> 40 #include <syslog.h> 41 #include "un-namespace.h" 42 43 #include "nsparser.h" 44 45 %} 46 47 %option never-interactive 48 %option noinput 49 %option nounput 50 %option yylineno 51 52 BLANK [ \t] 53 CR \n 54 STRING [a-zA-Z][a-zA-Z0-9_]* 55 56 %% 57 58 {BLANK}+ ; /* skip whitespace */ 59 60 #.* ; /* skip comments */ 61 62 \\{CR} ; /* allow continuation */ 63 64 {CR} return NL; 65 66 [sS][uU][cC][cC][eE][sS][sS] return SUCCESS; 67 [uU][nN][aA][vV][aA][iI][lL] return UNAVAIL; 68 [nN][oO][tT][fF][oO][uU][nN][dD] return NOTFOUND; 69 [tT][rR][yY][aA][gG][aA][iI][nN] return TRYAGAIN; 70 71 [rR][eE][tT][uU][rR][nN] return RETURN; 72 [cC][oO][nN][tT][iI][nN][uU][eE] return CONTINUE; 73 74 {STRING} { 75 char *p; 76 int i; 77 78 if ((p = strdup(yytext)) == NULL) { 79 syslog(LOG_ERR, 80 "NSSWITCH(nslexer): memory allocation failure"); 81 return ERRORTOKEN; 82 } 83 for (i = 0; i < strlen(p); i++) { 84 if (isupper((unsigned char)p[i])) 85 p[i] = tolower((unsigned char)p[i]); 86 } 87 _nsyylval.str = p; 88 return STRING; 89 } 90 91 . return yytext[0]; 92 93 %% 94 95 #undef _nsyywrap 96 int 97 _nsyywrap(void) 98 { 99 return 1; 100 } /* _nsyywrap */ 101 102 void 103 _nsyyerror(const char *msg) 104 { 105 106 syslog(LOG_ERR, "NSSWITCH(nslexer): %s line %d: %s at '%s'", 107 _PATH_NS_CONF, yylineno, msg, yytext); 108 } /* _nsyyerror */ 109