/* $NetBSD: sun2amd.c,v 1.1.1.3 2015/01/17 16:34:15 christos Exp $ */
/*
* Copyright (c) 1997-2014 Erez Zadok
* Copyright (c) 2005 Daniel P. Ottavio
* Copyright (c) 1989 Jan-Simon Pendry
* Copyright (c) 1989 Imperial College of Science, Technology & Medicine
* Copyright (c) 1989 The Regents of the University of California.
* All rights reserved.
*
* This code is derived from software contributed to Berkeley by
* Jan-Simon Pendry at Imperial College, London.
*
* 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. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``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 REGENTS OR CONTRIBUTORS 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.
*
*
* File: am-utils/amd/sun2amd.c
*
*/
/*
* Translate Sun-syntax maps to Amd maps
*/
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif /* HAVE_CONFIG_H */
#include <am_defs.h>
#include <amd.h>
#include <sun_map.h>
/* dummies to make the program compile and link */
struct amu_global_options gopt;
#if defined(HAVE_TCPD_H) && defined(HAVE_LIBWRAP)
# ifdef NEED_LIBWRAP_SEVERITY_VARIABLES
/*
* Some systems that define libwrap already define these two variables
* in libwrap, while others don't: so I need to know precisely iff
* to define these two severity variables.
*/
int allow_severity=0, deny_severity=0, rfc931_timeout=0;
# endif /* NEED_LIBWRAP_SEVERITY_VARIABLES */
#endif /* defined(HAVE_TCPD_H) && defined(HAVE_LIBWRAP) */
/*
* Parse the stream sun_in, convert the map information to amd, write
* the results to amd_out.
*/
static int
sun2amd_convert(FILE *sun_in, FILE *amd_out)
{
char line_buff[INFO_MAX_LINE_LEN], *tmp, *key, *entry;
int pos, line = 0, retval = 1;
/* just to be safe */
memset(line_buff, 0, sizeof(line_buff));
/* Read the input line by line and do the conversion. */
while ((pos = file_read_line(line_buff, sizeof(line_buff), sun_in))) {
line++;
line_buff[pos - 1] = '\0';
/* remove comments */
if ((tmp = strchr(line_buff, '#')) != NULL) {
*tmp = '\0';
}
/* find start of key */
key = line_buff;
while (*key != '\0' && isspace((unsigned char)*key)) {
key++;
}
/* ignore blank lines */
if (*key == '\0') {
continue;
}
/* find the end of the key and NULL terminate */
tmp = key;
while (*tmp != '\0' && isspace((unsigned char)*tmp) == 0) {
tmp++;
}
if (*tmp == '\0') {
plog(XLOG_ERROR, "map line %d has no entry", line);
goto err;
}
*tmp++ = '\0';
if (*tmp == '\0') {
plog(XLOG_ERROR, "map line %d has no entry", line);
goto err;
}
entry = tmp;
/* convert the sun entry to an amd entry */
if ((tmp = sun_entry2amd(key, entry)) == NULL) {
plog(XLOG_ERROR, "parse error on line %d", line);
goto err;
}
if (fprintf(amd_out, "%s %s\n", key, tmp) < 0) {
plog(XLOG_ERROR, "can't write to output stream: %s", strerror(errno));
goto err;
}
/* just to be safe */
memset(line_buff, 0, sizeof(line_buff));
}
/* success */
retval = 0;
err:
return retval;
}
/*
* wrapper open function
*/
static FILE *
sun2amd_open(const char *path, const char *mode)
{
FILE *retval = NULL;
if ((retval = fopen(path,mode)) == NULL) {
plog(XLOG_ERROR,"could not open file %s",path);
}
return retval;
}
/*
* echo the usage and exit
*/
static void
sun2amd_usage(void)
{
fprintf(stderr,
"usage : sun2amd [-hH] [-i infile] [-o outfile]\n"
"-h\thelp\n"
"-i\tspecify an infile (defaults to stdin)\n"
"-o\tspecify an outfile (defaults to stdout)\n");
}
int
main(int argc, char **argv)
{
/* default in/out to stdin/stdout */
FILE *sun_in = stdin, *amd_out = stdout;
int opt, retval = 1;
while ((opt = getopt(argc, argv , "i:o:hH")) != -1) {
switch (opt) {
case 'i':
if ((sun_in = sun2amd_open(optarg,"r")) == NULL) {
goto err;
}
break;
case 'o':
if ((amd_out = sun2amd_open(optarg,"w")) == NULL) {
goto err;
}
break;
case 'h':
case 'H':
sun2amd_usage();
goto err;
}
}
retval = sun2amd_convert(sun_in,amd_out);
err:
exit(retval);
}
