1 /*
2 * Copyright (c) 1990 Jan-Simon Pendry
3 * Copyright (c) 1990 Imperial College of Science, Technology & Medicine
4 * Copyright (c) 1990, 1993
5 * The Regents of the University of California. All rights reserved.
6 *
7 * This code is derived from software contributed to Berkeley by
8 * Jan-Simon Pendry at Imperial College, London.
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in the
17 * documentation and/or other materials provided with the distribution.
18 * 3. Neither the name of the University nor the names of its contributors
19 * may be used to endorse or promote products derived from this software
20 * without specific prior written permission.
21 *
22 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
23 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
25 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
26 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
28 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
29 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
31 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
32 * SUCH DAMAGE.
33 *
34 * from: @(#)get_args.c 8.1 (Berkeley) 6/6/93
35 * $Id: get_args.c,v 1.16 2021/11/15 15:14:24 millert Exp $
36 */
37
38 /*
39 * Argument decode
40 */
41
42 #include "am.h"
43 #include <syslog.h>
44 #include <sys/stat.h>
45 #include <unistd.h>
46
47 #if defined(DEBUG) && defined(PARANOID)
48 char **gargv;
49 #endif /* defined(DEBUG) && defined(PARANOID) */
50 int restart_existing_mounts;
51 int print_pid;
52 int normalize_hosts;
53 char *karch; /* Kernel architecture */
54 char *cluster; /* Cluster name */
55 char *domain; /* YP domain */
56 int afs_timeo = -1;
57 int afs_retrans = -1;
58 int am_timeo = AM_TTL;
59 int am_timeo_w = AM_TTL_W;
60
61 #ifdef DEBUG
62 /*
63 * List of debug options.
64 */
65 static struct opt_tab dbg_opt[] = {
66 { "all", D_ALL }, /* All */
67 { "amq", D_AMQ }, /* Register for AMQ program */
68 { "daemon", D_DAEMON }, /* Enter daemon mode */
69 { "full", D_FULL }, /* Program trace */
70 { "mem", D_MEM }, /* Trace memory allocations */
71 { "mtab", D_MTAB }, /* Use local mtab file */
72 { "str", D_STR }, /* Debug string munging */
73 { "test", D_TEST }, /* Full debug - but no daemon */
74 { "trace", D_TRACE }, /* Protocol trace */
75 { 0, 0 }
76 };
77
78 int debug_flags = D_AMQ /* Register AMQ */
79 |D_DAEMON /* Enter daemon mode */
80 ;
81
82 /*
83 * Switch on/off debug options
84 */
85 int
debug_option(char * opt)86 debug_option(char *opt)
87 {
88 return cmdoption(opt, dbg_opt, &debug_flags);
89 }
90 #endif /* DEBUG */
91
92 void
get_args(int c,char * v[])93 get_args(int c, char *v[])
94 {
95 int opt_ch;
96 int usage = 0;
97 char *logfile = "syslog";
98 char *sub_domain = 0;
99
100 while ((opt_ch = getopt(c, v, "mnprva:c:d:h:k:l:t:w:x:y:C:D:")) != -1)
101 switch (opt_ch) {
102 case 'a':
103 if (*optarg != '/') {
104 fprintf(stderr, "%s: -a option must begin with a '/'\n",
105 __progname);
106 exit(1);
107 }
108 auto_dir = optarg;
109 break;
110
111 case 'c':
112 am_timeo = atoi(optarg);
113 if (am_timeo <= 0)
114 am_timeo = AM_TTL;
115 break;
116
117 case 'd':
118 sub_domain = optarg;
119 break;
120
121 case 'h':
122 #if defined(HAS_HOST) && defined(HOST_EXEC)
123 host_helper = optarg;
124 #else
125 plog(XLOG_USER, "-h: option ignored. HOST_EXEC is not enabled.");
126 break;
127 #endif /* defined(HAS_HOST) && defined(HOST_EXEC) */
128
129 case 'k':
130 karch = optarg;
131 break;
132
133 case 'l':
134 logfile = optarg;
135 break;
136
137 case 'm':
138 plog(XLOG_USER, "The -m option is no longer supported.");
139 plog(XLOG_USER, "... Use `ypcat -k am.master` on the command line instead");
140 break;
141
142 case 'n':
143 normalize_hosts = 1;
144 break;
145
146 case 'p':
147 print_pid = 1;
148 break;
149
150 case 'r':
151 restart_existing_mounts = 1;
152 break;
153
154 case 't':
155 /* timeo.retrans */
156 { char *dot = strchr(optarg, '.');
157 if (dot) *dot = '\0';
158 if (*optarg) {
159 afs_timeo = atoi(optarg);
160 }
161 if (dot) {
162 afs_retrans = atoi(dot+1);
163 *dot = '.';
164 }
165 }
166 break;
167
168 case 'v':
169 fputs("Map support for: ", stderr);
170 mapc_showtypes(stderr);
171 fputs(".\nFS: ", stderr);
172 ops_showfstypes(stderr);
173 fputs(".\n", stderr);
174 fprintf(stderr, "Primary network is %s.\n", wire);
175 exit(0);
176 break;
177
178 case 'w':
179 am_timeo_w = atoi(optarg);
180 if (am_timeo_w <= 0)
181 am_timeo_w = AM_TTL_W;
182 break;
183
184 case 'x':
185 usage += switch_option(optarg);
186 break;
187
188 case 'y':
189 domain = optarg;
190 break;
191
192 case 'C':
193 cluster = optarg;
194 break;
195
196 case 'D':
197 #ifdef DEBUG
198 usage += debug_option(optarg);
199 #else
200 fprintf(stderr, "%s: not compiled with DEBUG option -- sorry.\n",
201 __progname);
202 #endif /* DEBUG */
203 break;
204
205 default:
206 usage = 1;
207 break;
208 }
209
210 if (xlog_level_init == ~0) {
211 (void) switch_option("");
212 #ifdef DEBUG
213 usage += switch_option("debug");
214 #endif /* DEBUG */
215 } else {
216 #ifdef DEBUG
217 usage += switch_option("debug");
218 #endif /* DEBUG */
219 }
220
221 if (usage)
222 goto show_usage;
223
224 while (optind <= c-2) {
225 char *dir = v[optind++];
226 char *map = v[optind++];
227 char *opts = "";
228 if (v[optind] && *v[optind] == '-')
229 opts = &v[optind++][1];
230
231 root_newmap(dir, opts, map);
232 }
233
234 if (optind == c) {
235
236 /*
237 * Append domain name to hostname.
238 * sub_domain overrides hostdomain
239 * if given.
240 */
241 if (sub_domain)
242 hostdomain = sub_domain;
243 if (*hostdomain == '.')
244 hostdomain++;
245 strlcat(hostd, ".", 2 * (HOST_NAME_MAX+1));
246 strlcat(hostd, hostdomain, 2 * (HOST_NAME_MAX+1));
247
248 #ifdef DEBUG
249 { if (debug_flags & D_MTAB) {
250 dlog("-D mtab option ignored");
251 } }
252 #endif /* DEBUG */
253
254 if (switch_to_logfile(logfile) != 0)
255 plog(XLOG_USER, "Cannot switch logfile");
256
257 /*
258 * If the kernel architecture was not specified
259 * then use the machine architecture.
260 */
261 if (karch == 0)
262 karch = arch;
263
264 if (cluster == 0)
265 cluster = hostdomain;
266
267 if (afs_timeo <= 0)
268 afs_timeo = AFS_TIMEO;
269 if (afs_retrans <= 0)
270 afs_retrans = AFS_RETRANS;
271 if (afs_retrans <= 0)
272 afs_retrans = 3; /* XXX */
273 return;
274 }
275
276 show_usage:
277 fprintf(stderr,
278 "usage: %s [-nprv] [-a mount_point] [-C cluster] "
279 "[-c duration] [-D option]\n"
280 "\t[-d domain] [-k kernel-arch] [-l logfile] "
281 "[-t interval.interval]\n"
282 "\t[-w interval]", __progname);
283
284 #if defined(HAS_HOST) && defined(HOST_EXEC)
285 fputs(" [-h host_helper]\n", stderr);
286 #endif /* defined(HAS_HOST) && defined(HOST_EXEC) */
287
288 fputs(" [-y YP-domain]\n", stderr);
289
290 show_opts('x', xlog_opt);
291 #ifdef DEBUG
292 show_opts('D', dbg_opt);
293 #endif /* DEBUG */
294 fprintf(stderr, "\t[directory mapname [-map-options]] ...\n");
295 exit(1);
296 }
297