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 <sys/cdefs.h> 36 #if defined(LIBC_SCCS) && !defined(lint) 37 static char *rcsid = 38 "$FreeBSD$"; 39 #endif /* LIBC_SCCS and not lint */ 40 41 #include "namespace.h" 42 #include <ctype.h> 43 #define _NS_PRIVATE 44 #include <nsswitch.h> 45 #include <string.h> 46 #include <syslog.h> 47 #include "un-namespace.h" 48 49 #include "nsparser.h" 50 51 %} 52 53 %option never-interactive 54 %option noinput 55 %option nounput 56 %option yylineno 57 58 BLANK [ \t] 59 CR \n 60 STRING [a-zA-Z][a-zA-Z0-9_]* 61 62 %% 63 64 {BLANK}+ ; /* skip whitespace */ 65 66 #.* ; /* skip comments */ 67 68 \\{CR} ; /* allow continuation */ 69 70 {CR} return NL; 71 72 [sS][uU][cC][cC][eE][sS][sS] return SUCCESS; 73 [uU][nN][aA][vV][aA][iI][lL] return UNAVAIL; 74 [nN][oO][tT][fF][oO][uU][nN][dD] return NOTFOUND; 75 [tT][rR][yY][aA][gG][aA][iI][nN] return TRYAGAIN; 76 77 [rR][eE][tT][uU][rR][nN] return RETURN; 78 [cC][oO][nN][tT][iI][nN][uU][eE] return CONTINUE; 79 80 {STRING} { 81 char *p; 82 int i; 83 84 if ((p = strdup(yytext)) == NULL) { 85 syslog(LOG_ERR, 86 "NSSWITCH(nslexer): memory allocation failure"); 87 return ERRORTOKEN; 88 } 89 for (i = 0; i < strlen(p); i++) { 90 if (isupper((unsigned char)p[i])) 91 p[i] = tolower((unsigned char)p[i]); 92 } 93 _nsyylval.str = p; 94 return STRING; 95 } 96 97 . return yytext[0]; 98 99 %% 100 101 #undef _nsyywrap 102 int 103 _nsyywrap(void) 104 { 105 return 1; 106 } /* _nsyywrap */ 107 108 void 109 _nsyyerror(const char *msg) 110 { 111 112 syslog(LOG_ERR, "NSSWITCH(nslexer): %s line %d: %s at '%s'", 113 _PATH_NS_CONF, yylineno, msg, yytext); 114 } /* _nsyyerror */ 115