1 /* $NetBSD: sun2amd.c,v 1.1.1.3 2015/01/17 16:34:15 christos Exp $ */
2
3 /*
4 * Copyright (c) 1997-2014 Erez Zadok
5 * Copyright (c) 2005 Daniel P. Ottavio
6 * Copyright (c) 1989 Jan-Simon Pendry
7 * Copyright (c) 1989 Imperial College of Science, Technology & Medicine
8 * Copyright (c) 1989 The Regents of the University of California.
9 * All rights reserved.
10 *
11 * This code is derived from software contributed to Berkeley by
12 * Jan-Simon Pendry at Imperial College, London.
13 *
14 * Redistribution and use in source and binary forms, with or without
15 * modification, are permitted provided that the following conditions
16 * are met:
17 * 1. Redistributions of source code must retain the above copyright
18 * notice, this list of conditions and the following disclaimer.
19 * 2. Redistributions in binary form must reproduce the above copyright
20 * notice, this list of conditions and the following disclaimer in the
21 * documentation and/or other materials provided with the distribution.
22 * 3. Neither the name of the University nor the names of its contributors
23 * may be used to endorse or promote products derived from this software
24 * without specific prior written permission.
25 *
26 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
27 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
28 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
29 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
30 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
31 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
32 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
33 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
34 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
35 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
36 * SUCH DAMAGE.
37 *
38 *
39 * File: am-utils/amd/sun2amd.c
40 *
41 */
42
43 /*
44 * Translate Sun-syntax maps to Amd maps
45 */
46
47 #ifdef HAVE_CONFIG_H
48 # include <config.h>
49 #endif /* HAVE_CONFIG_H */
50 #include <am_defs.h>
51 #include <amd.h>
52 #include <sun_map.h>
53
54
55 /* dummies to make the program compile and link */
56 struct amu_global_options gopt;
57 #if defined(HAVE_TCPD_H) && defined(HAVE_LIBWRAP)
58 # ifdef NEED_LIBWRAP_SEVERITY_VARIABLES
59 /*
60 * Some systems that define libwrap already define these two variables
61 * in libwrap, while others don't: so I need to know precisely iff
62 * to define these two severity variables.
63 */
64 int allow_severity=0, deny_severity=0, rfc931_timeout=0;
65 # endif /* NEED_LIBWRAP_SEVERITY_VARIABLES */
66 #endif /* defined(HAVE_TCPD_H) && defined(HAVE_LIBWRAP) */
67
68
69 /*
70 * Parse the stream sun_in, convert the map information to amd, write
71 * the results to amd_out.
72 */
73 static int
sun2amd_convert(FILE * sun_in,FILE * amd_out)74 sun2amd_convert(FILE *sun_in, FILE *amd_out)
75 {
76 char line_buff[INFO_MAX_LINE_LEN], *tmp, *key, *entry;
77 int pos, line = 0, retval = 1;
78
79 /* just to be safe */
80 memset(line_buff, 0, sizeof(line_buff));
81
82 /* Read the input line by line and do the conversion. */
83 while ((pos = file_read_line(line_buff, sizeof(line_buff), sun_in))) {
84 line++;
85 line_buff[pos - 1] = '\0';
86
87 /* remove comments */
88 if ((tmp = strchr(line_buff, '#')) != NULL) {
89 *tmp = '\0';
90 }
91
92 /* find start of key */
93 key = line_buff;
94 while (*key != '\0' && isspace((unsigned char)*key)) {
95 key++;
96 }
97
98 /* ignore blank lines */
99 if (*key == '\0') {
100 continue;
101 }
102
103 /* find the end of the key and NULL terminate */
104 tmp = key;
105 while (*tmp != '\0' && isspace((unsigned char)*tmp) == 0) {
106 tmp++;
107 }
108 if (*tmp == '\0') {
109 plog(XLOG_ERROR, "map line %d has no entry", line);
110 goto err;
111 }
112 *tmp++ = '\0';
113 if (*tmp == '\0') {
114 plog(XLOG_ERROR, "map line %d has no entry", line);
115 goto err;
116 }
117 entry = tmp;
118
119 /* convert the sun entry to an amd entry */
120 if ((tmp = sun_entry2amd(key, entry)) == NULL) {
121 plog(XLOG_ERROR, "parse error on line %d", line);
122 goto err;
123 }
124
125 if (fprintf(amd_out, "%s %s\n", key, tmp) < 0) {
126 plog(XLOG_ERROR, "can't write to output stream: %s", strerror(errno));
127 goto err;
128 }
129
130 /* just to be safe */
131 memset(line_buff, 0, sizeof(line_buff));
132 }
133
134 /* success */
135 retval = 0;
136
137 err:
138 return retval;
139 }
140
141
142 /*
143 * wrapper open function
144 */
145 static FILE *
sun2amd_open(const char * path,const char * mode)146 sun2amd_open(const char *path, const char *mode)
147 {
148 FILE *retval = NULL;
149
150 if ((retval = fopen(path,mode)) == NULL) {
151 plog(XLOG_ERROR,"could not open file %s",path);
152 }
153
154 return retval;
155 }
156
157
158 /*
159 * echo the usage and exit
160 */
161 static void
sun2amd_usage(void)162 sun2amd_usage(void)
163 {
164 fprintf(stderr,
165 "usage : sun2amd [-hH] [-i infile] [-o outfile]\n"
166 "-h\thelp\n"
167 "-i\tspecify an infile (defaults to stdin)\n"
168 "-o\tspecify an outfile (defaults to stdout)\n");
169 }
170
171
172 int
main(int argc,char ** argv)173 main(int argc, char **argv)
174 {
175 /* default in/out to stdin/stdout */
176 FILE *sun_in = stdin, *amd_out = stdout;
177 int opt, retval = 1;
178
179 while ((opt = getopt(argc, argv , "i:o:hH")) != -1) {
180 switch (opt) {
181
182 case 'i':
183 if ((sun_in = sun2amd_open(optarg,"r")) == NULL) {
184 goto err;
185 }
186 break;
187
188 case 'o':
189 if ((amd_out = sun2amd_open(optarg,"w")) == NULL) {
190 goto err;
191 }
192 break;
193
194 case 'h':
195 case 'H':
196 sun2amd_usage();
197 goto err;
198 }
199 }
200
201 retval = sun2amd_convert(sun_in,amd_out);
202
203 err:
204 exit(retval);
205 }
206