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