NetBSD/sbin/veriexecctl/veriexecctl_conf.l

133 lines
2.7 KiB
Plaintext

%{
/* $NetBSD: veriexecctl_conf.l,v 1.14 2009/10/29 14:49:03 christos Exp $ */
/*-
* Copyright 2005 Elad Efrat <elad@NetBSD.org>
* Copyright 2005 Brett Lymn <blymn@netbsd.org>
*
* All rights reserved.
*
* This code has been donated to The NetBSD Foundation by the Author.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. The name of the author may not be used to endorse or promote products
* derived from this software withough specific prior written permission
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
*
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <err.h>
#include <prop/proplib.h>
#include "veriexecctl_parse.h"
int yylex(void);
extern size_t line;
extern int verbose;
static char *
dequote(const char *s)
{
size_t len;
const char *p;
char *buf, *q;
len = 0;
p = s;
while (*p) {
if (*p == '\\' && *(p+1))
++p;
++len;
++p;
}
buf = malloc(len + 1);
if (buf == NULL)
return NULL;
p = s;
q = buf;
while (*p) {
if (*p == '\\' && *(p+1))
++p;
*q++ = *p++;
}
*q++ = '\0';
return buf;
}
%}
STRING [0-9a-zA-Z]+
PCHAR (\\.|[^ \t])
%option nounput
%%
/* path */
\/{PCHAR}+ {
if ((yylval.string = dequote(yytext)) == NULL)
err(1, "Cannot allocate string");
return PATH;
}
/* string (fingerprint, type, options) */
{STRING} {
if ((yylval.string = strdup(yytext)) == NULL)
err(1, "Cannot allocate string");
return STRING;
}
/* comments, white-outs */
[ \t\r] |
#.* ;
^#.*\n |
#.*\n |
\\\n |
^\n { line++; }
/* eol on a line with data. need a call to ioctl, return eol */
\n {
line++;
return EOL;
}
"," {
return TOKEN_COMMA;
}
. {
if (verbose)
warnx("Invalid character '%c' in line %zu",
*yytext, line);
}
%%
int
yywrap(void)
{
return 1;
}