1 /* 2 * $Id: get_args.c,v 5.2.1.4 91/03/17 17:48:02 jsp Alpha $ 3 * 4 * Copyright (c) 1990 Jan-Simon Pendry 5 * Copyright (c) 1990 Imperial College of Science, Technology & Medicine 6 * Copyright (c) 1990 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 * %sccs.include.redist.c% 13 * 14 * @(#)get_args.c 5.2 (Berkeley) 03/17/91 15 */ 16 17 /* 18 * Argument decode 19 */ 20 21 #include "am.h" 22 #ifdef HAS_SYSLOG 23 #include <syslog.h> 24 #endif /* HAS_SYSLOG */ 25 #include <sys/stat.h> 26 27 extern int optind; 28 extern char *optarg; 29 30 #if defined(DEBUG) && defined(PARANOID) 31 char **gargv; 32 #endif /* defined(DEBUG) && defined(PARANOID) */ 33 int restart_existing_mounts; 34 int print_pid; 35 int normalize_hosts; 36 char *karch; /* Kernel architecture */ 37 char *cluster; /* Cluster name */ 38 #ifdef HAS_NIS_MAPS 39 char *domain; /* YP domain */ 40 #endif /* HAS_NIS_MAPS */ 41 #ifdef UPDATE_MTAB 42 char *mtab; 43 #endif /* UPDATE_MTAB */ 44 int afs_timeo = -1; 45 int afs_retrans = -1; 46 int am_timeo = AM_TTL; 47 int am_timeo_w = AM_TTL_W; 48 49 #ifdef DEBUG 50 /* 51 * List of debug options. 52 */ 53 static struct opt_tab dbg_opt[] = { 54 { "all", D_ALL }, /* All */ 55 { "amq", D_AMQ }, /* Register for AMQ program */ 56 { "daemon", D_DAEMON }, /* Enter daemon mode */ 57 { "full", D_FULL }, /* Program trace */ 58 { "mem", D_MEM }, /* Trace memory allocations */ 59 { "mtab", D_MTAB }, /* Use local mtab file */ 60 { "str", D_STR }, /* Debug string munging */ 61 { "test", D_TEST }, /* Full debug - but no daemon */ 62 { "trace", D_TRACE }, /* Protocol trace */ 63 { 0, 0 } 64 }; 65 66 int debug_flags = D_AMQ /* Register AMQ */ 67 |D_DAEMON /* Enter daemon mode */ 68 ; 69 70 /* 71 * Switch on/off debug options 72 */ 73 int debug_option(opt) 74 char *opt; 75 { 76 return cmdoption(opt, dbg_opt, &debug_flags); 77 } 78 #endif /* DEBUG */ 79 80 void get_args(c, v) 81 int c; 82 char *v[]; 83 { 84 int opt_ch; 85 int usage = 0; 86 char *logfile = 0; 87 char *sub_domain = 0; 88 89 while ((opt_ch = getopt(c, v, "mnprva:c:d:h:k:l:t:w:x:y:C:D:")) != EOF) 90 switch (opt_ch) { 91 case 'a': 92 if (*optarg != '/') { 93 fprintf(stderr, "%s: -a option must begin with a '/'\n", 94 progname); 95 exit(1); 96 } 97 auto_dir = optarg; 98 break; 99 100 case 'c': 101 am_timeo = atoi(optarg); 102 if (am_timeo <= 0) 103 am_timeo = AM_TTL; 104 break; 105 106 case 'd': 107 sub_domain = optarg; 108 break; 109 110 case 'h': 111 #if defined(HAS_HOST) && defined(HOST_EXEC) 112 host_helper = optarg; 113 #else 114 plog(XLOG_USER, "-h: option ignored. HOST_EXEC is not enabled."); 115 break; 116 #endif /* defined(HAS_HOST) && defined(HOST_EXEC) */ 117 118 case 'k': 119 karch = optarg; 120 break; 121 122 case 'l': 123 logfile = optarg; 124 break; 125 126 case 'm': 127 plog(XLOG_USER, "The -m option is no longer supported."); 128 plog(XLOG_USER, "... Use `ypcat -k am.master` on the command line instead"); 129 break; 130 131 case 'n': 132 normalize_hosts = 1; 133 break; 134 135 case 'p': 136 print_pid = 1; 137 break; 138 139 case 'r': 140 restart_existing_mounts = 1; 141 break; 142 143 case 't': 144 /* timeo.retrans */ 145 { char *dot = strchr(optarg, '.'); 146 if (dot) *dot = '\0'; 147 if (*optarg) { 148 afs_timeo = atoi(optarg); 149 } 150 if (dot) { 151 afs_retrans = atoi(dot+1); 152 *dot = '.'; 153 } 154 } 155 break; 156 157 case 'v': 158 fprintf(stderr, "%s%s (%s-endian).\n", copyright, version, endian); 159 fputs("Map support for: ", stderr); 160 mapc_showtypes(stderr); 161 fputs(".\nFS: ", stderr); 162 ops_showfstypes(stderr); 163 fputs(".\n", stderr); 164 fprintf(stderr, "Primary network is %s.\n", wire); 165 exit(0); 166 break; 167 168 case 'w': 169 am_timeo_w = atoi(optarg); 170 if (am_timeo_w <= 0) 171 am_timeo_w = AM_TTL_W; 172 break; 173 174 case 'x': 175 usage += switch_option(optarg); 176 break; 177 178 case 'y': 179 #ifdef HAS_NIS_MAPS 180 domain = optarg; 181 #else 182 plog(XLOG_USER, "-y: option ignored. No NIS support available."); 183 #endif /* HAS_NIS_MAPS */ 184 break; 185 186 case 'C': 187 cluster = optarg; 188 break; 189 190 case 'D': 191 #ifdef DEBUG 192 usage += debug_option(optarg); 193 #else 194 fprintf(stderr, "%s: not compiled with DEBUG option -- sorry.\n", progname); 195 #endif /* DEBUG */ 196 break; 197 198 default: 199 usage = 1; 200 break; 201 } 202 203 if (xlog_level_init == ~0) { 204 (void) switch_option(""); 205 #ifdef DEBUG 206 usage += switch_option("debug"); 207 #endif /* DEBUG */ 208 } else { 209 #ifdef DEBUG 210 usage += switch_option("debug"); 211 #endif /* DEBUG */ 212 } 213 214 if (usage) 215 goto show_usage; 216 217 while (optind <= c-2) { 218 char *dir = v[optind++]; 219 char *map = v[optind++]; 220 char *opts = ""; 221 if (v[optind] && *v[optind] == '-') 222 opts = &v[optind++][1]; 223 224 root_newmap(dir, opts, map); 225 } 226 227 if (optind == c) { 228 #ifdef hpux 229 /* 230 * HP-UX can't handle ./mtab 231 * That system is sick - really. 232 */ 233 #ifdef DEBUG 234 debug_option("nomtab"); 235 #endif /* DEBUG */ 236 #endif /* hpux */ 237 238 /* 239 * Append domain name to hostname. 240 * sub_domain overrides hostdomain 241 * if given. 242 */ 243 if (sub_domain) 244 hostdomain = sub_domain; 245 if (*hostdomain == '.') 246 hostdomain++; 247 strcat(hostd, "."); 248 strcat(hostd, hostdomain); 249 250 #ifdef UPDATE_MTAB 251 #ifdef DEBUG 252 if (debug_flags & D_MTAB) 253 mtab = DEBUG_MTAB; 254 else 255 #endif /* DEBUG */ 256 mtab = MOUNTED; 257 #else 258 #ifdef DEBUG 259 { if (debug_flags & D_MTAB) { 260 dlog("-D mtab option ignored"); 261 } } 262 #endif /* DEBUG */ 263 #endif /* UPDATE_MTAB */ 264 265 if (switch_to_logfile(logfile) != 0) 266 plog(XLOG_USER, "Cannot switch logfile"); 267 268 /* 269 * If the kernel architecture was not specified 270 * then use the machine architecture. 271 */ 272 if (karch == 0) 273 karch = arch; 274 275 if (cluster == 0) 276 cluster = hostdomain; 277 278 if (afs_timeo <= 0) 279 afs_timeo = AFS_TIMEO; 280 if (afs_retrans <= 0) 281 afs_retrans = AFS_RETRANS; 282 if (afs_retrans <= 0) 283 afs_retrans = 3; /* XXX */ 284 return; 285 } 286 287 show_usage: 288 fprintf(stderr, 289 "Usage: %s [-mnprv] [-a mnt_point] [-c cache_time] [-d domain]\n\ 290 \t[-k kernel_arch] [-l logfile|\"syslog\"] [-t afs_timeout]\n\ 291 \t[-w wait_timeout] [-C cluster_name]", progname); 292 293 #if defined(HAS_HOST) && defined(HOST_EXEC) 294 fputs(" [-h host_helper]\n", stderr); 295 #endif /* defined(HAS_HOST) && defined(HOST_EXEC) */ 296 297 #ifdef HAS_NIS_MAPS 298 fputs(" [-y nis-domain]\n", stderr); 299 #else 300 fputc('\n', stderr); 301 #endif /* HAS_NIS_MAPS */ 302 303 show_opts('x', xlog_opt); 304 #ifdef DEBUG 305 show_opts('D', dbg_opt); 306 #endif /* DEBUG */ 307 fprintf(stderr, "\t{directory mapname [-map_options]} ...\n"); 308 exit(1); 309 } 310