1 %{ 2 /* $NetBSD: nslexer.l,v 1.11 2010/12/08 03:19:19 christos Exp $ */ 3 4 /*- 5 * Copyright (c) 1997, 1998, 1999 The NetBSD Foundation, Inc. 6 * All rights reserved. 7 * 8 * This code is derived from software contributed to The NetBSD Foundation 9 * by Luke Mewburn. 10 * 11 * Redistribution and use in source and binary forms, with or without 12 * modification, are permitted provided that the following conditions 13 * are met: 14 * 1. Redistributions of source code must retain the above copyright 15 * notice, this list of conditions and the following disclaimer. 16 * 2. Redistributions in binary form must reproduce the above copyright 17 * notice, this list of conditions and the following disclaimer in the 18 * documentation and/or other materials provided with the distribution. 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 21 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 22 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 23 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 24 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 25 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 26 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 27 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 28 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 29 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 30 * POSSIBILITY OF SUCH DAMAGE. 31 */ 32 33 #include <sys/cdefs.h> 34 #if defined(LIBC_SCCS) && !defined(lint) 35 __RCSID("$NetBSD: nslexer.l,v 1.11 2010/12/08 03:19:19 christos Exp $"); 36 #endif /* LIBC_SCCS and not lint */ 37 38 #include "namespace.h" 39 #include <ctype.h> 40 #define _NS_PRIVATE 41 #include <nsswitch.h> 42 #include <string.h> 43 #include <syslog.h> 44 45 #include "nsparser.h" 46 47 %} 48 49 %option yylineno nounput noinput 50 %option never-interactive 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 size_t i; 77 78 if ((p = strdup(yytext)) == NULL) { 79 syslog(LOG_ERR, "libc nsdispatch: %m"); 80 return NL; 81 } 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() 98 { 99 return 1; 100 } /* _nsyywrap */ 101 102 void 103 _nsyyerror(msg) 104 const char *msg; 105 { 106 107 syslog(LOG_WARNING, "libc nsdispatch: %s line %d: %s at '%s'", 108 _PATH_NS_CONF, yylineno, msg, yytext); 109 } /* _nsyyerror */ 110