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