1/* 2 * Copyright (c) 1997-2006 Erez Zadok 3 * Copyright (c) 1990 Jan-Simon Pendry 4 * Copyright (c) 1990 Imperial College of Science, Technology & Medicine 5 * Copyright (c) 1990 The Regents of the University of California. 6 * All rights reserved. 7 * 8 * This code is derived from software contributed to Berkeley by 9 * Jan-Simon Pendry at Imperial College, London. 10 * 11 * Redistribution and use in source and binary forms, with or without 12 * modification, are permitted provided that the following conditions 13 * are met: 14 * 1. Redistributions of source code must retain the above copyright 15 * notice, this list of conditions and the following disclaimer. 16 * 2. Redistributions in binary form must reproduce the above copyright 17 * notice, this list of conditions and the following disclaimer in the 18 * documentation and/or other materials provided with the distribution. 19 * 3. All advertising materials mentioning features or use of this software 20 * must display the following acknowledgment: 21 * This product includes software developed by the University of 22 * California, Berkeley and its contributors. 23 * 4. Neither the name of the University nor the names of its contributors 24 * may be used to endorse or promote products derived from this software 25 * without specific prior written permission. 26 * 27 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 28 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 29 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 30 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 31 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 32 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 33 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 34 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 35 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 36 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 37 * SUCH DAMAGE. 38 * 39 * 40 * File: am-utils/amd/get_args.c 41 * 42 */ 43 44/* 45 * Argument decode 46 */ 47 48#ifdef HAVE_CONFIG_H 49# include <config.h> 50#endif /* HAVE_CONFIG_H */ 51#include <am_defs.h> 52#include <amd.h> 53 54/* include auto-generated version file */ 55#include <build_version.h> 56 57char *amu_conf_file = "/etc/amd.conf"; /* default amd configuration file */ 58char *conf_tag = NULL; /* default conf file tags to use */ 59int usage = 0; 60int use_conf_file = 0; /* default don't use amd.conf file */ 61char *mnttab_file_name = NULL; /* symbol must be available always */ 62 63 64/* 65 * Return the version string (dynamic buffer) 66 */ 67char * 68get_version_string(void) 69{ 70 char *vers = NULL; 71 char tmpbuf[1024]; 72 char *wire_buf; 73 int wire_buf_len = 0; 74 size_t len; /* max allocated length (to avoid buf overflow) */ 75 76 /* 77 * First get dynamic string listing all known networks. 78 * This could be a long list, if host has lots of interfaces. 79 */ 80 wire_buf = print_wires(); 81 if (wire_buf) 82 wire_buf_len = strlen(wire_buf); 83 84 len = 2048 + wire_buf_len; 85 vers = xmalloc(len); 86 xsnprintf(vers, len, "%s\n%s\n%s\n%s\n", 87 "Copyright (c) 1997-2006 Erez Zadok", 88 "Copyright (c) 1990 Jan-Simon Pendry", 89 "Copyright (c) 1990 Imperial College of Science, Technology & Medicine", 90 "Copyright (c) 1990 The Regents of the University of California."); 91 xsnprintf(tmpbuf, sizeof(tmpbuf), "%s version %s (build %d).\n", 92 PACKAGE_NAME, PACKAGE_VERSION, AMU_BUILD_VERSION); 93 strlcat(vers, tmpbuf, len); 94 xsnprintf(tmpbuf, sizeof(tmpbuf), "Report bugs to %s.\n", PACKAGE_BUGREPORT); 95 strlcat(vers, tmpbuf, len); 96 xsnprintf(tmpbuf, sizeof(tmpbuf), "Configured by %s@%s on date %s.\n", 97 USER_NAME, HOST_NAME, CONFIG_DATE); 98 strlcat(vers, tmpbuf, len); 99 xsnprintf(tmpbuf, sizeof(tmpbuf), "Built by %s@%s.\n", 100 BUILD_USER, BUILD_HOST); 101 strlcat(vers, tmpbuf, len); 102 xsnprintf(tmpbuf, sizeof(tmpbuf), "cpu=%s (%s-endian), arch=%s, karch=%s.\n", 103 cpu, endian, gopt.arch, gopt.karch); 104 strlcat(vers, tmpbuf, len); 105 xsnprintf(tmpbuf, sizeof(tmpbuf), "full_os=%s, os=%s, osver=%s, vendor=%s, distro=%s.\n", 106 gopt.op_sys_full, gopt.op_sys, gopt.op_sys_ver, gopt.op_sys_vendor, DISTRO_NAME); 107 strlcat(vers, tmpbuf, len); 108 xsnprintf(tmpbuf, sizeof(tmpbuf), "domain=%s, host=%s, hostd=%s.\n", 109 hostdomain, am_get_hostname(), hostd); 110 strlcat(vers, tmpbuf, len); 111 112 strlcat(vers, "Map support for: ", len); 113 mapc_showtypes(tmpbuf, sizeof(tmpbuf)); 114 strlcat(vers, tmpbuf, len); 115 strlcat(vers, ".\nAMFS: ", len); 116 ops_showamfstypes(tmpbuf, sizeof(tmpbuf)); 117 strlcat(vers, tmpbuf, len); 118 strlcat(vers, ", inherit.\nFS: ", len); /* hack: "show" that we support type:=inherit */ 119 ops_showfstypes(tmpbuf, sizeof(tmpbuf)); 120 strlcat(vers, tmpbuf, len); 121 122 /* append list of networks if available */ 123 if (wire_buf) { 124 strlcat(vers, wire_buf, len); 125 XFREE(wire_buf); 126 } 127 128 return vers; 129} 130 131 132static void 133show_usage(void) 134{ 135 fprintf(stderr, 136 "Usage: %s [-nprvHS] [-a mount_point] [-c cache_time] [-d domain]\n\ 137\t[-k kernel_arch] [-l logfile%s\n\ 138\t[-t timeout.retrans] [-w wait_timeout] [-A arch] [-C cluster_name]\n\ 139\t[-o op_sys_ver] [-O op_sys_name]\n\ 140\t[-F conf_file] [-T conf_tag]", am_get_progname(), 141#ifdef HAVE_SYSLOG 142# ifdef LOG_DAEMON 143 "|\"syslog[:facility]\"]" 144# else /* not LOG_DAEMON */ 145 "|\"syslog\"]" 146# endif /* not LOG_DAEMON */ 147#else /* not HAVE_SYSLOG */ 148 "]" 149#endif /* not HAVE_SYSLOG */ 150 ); 151 152#ifdef HAVE_MAP_NIS 153 fputs(" [-y nis-domain]\n", stderr); 154#else /* not HAVE_MAP_NIS */ 155 fputc('\n', stderr); 156#endif /* HAVE_MAP_NIS */ 157 158 show_opts('x', xlog_opt); 159#ifdef DEBUG 160 show_opts('D', dbg_opt); 161#endif /* DEBUG */ 162 fprintf(stderr, "\t[directory mapname [-map_options]] ...\n"); 163} 164 165 166void 167get_args(int argc, char *argv[]) 168{ 169 int opt_ch, i; 170 FILE *fp = stdin; 171 char getopt_arguments[] = "+nprvSa:c:d:k:l:o:t:w:x:y:C:D:F:T:O:HA:"; 172 char *getopt_args; 173 int print_version = 0; /* 1 means we should print version info */ 174 175#ifdef HAVE_GNU_GETOPT 176 getopt_args = getopt_arguments; 177#else /* ! HAVE_GNU_GETOPT */ 178 getopt_args = &getopt_arguments[1]; 179#endif /* HAVE_GNU_GETOPT */ 180 181 /* if no arguments were passed, try to use /etc/amd.conf file */ 182 if (argc <= 1) 183 use_conf_file = 1; 184 185 while ((opt_ch = getopt(argc, argv, getopt_args)) != -1) 186 switch (opt_ch) { 187 188 case 'a': 189 if (*optarg != '/') { 190 fprintf(stderr, "%s: -a option must begin with a '/'\n", 191 am_get_progname()); 192 exit(1); 193 } 194 gopt.auto_dir = optarg; 195 break; 196 197 case 'c': 198 gopt.am_timeo = atoi(optarg); 199 if (gopt.am_timeo <= 0) 200 gopt.am_timeo = AM_TTL; 201 break; 202 203 case 'd': 204 gopt.sub_domain = optarg; 205 break; 206 207 case 'k': 208 gopt.karch = optarg; 209 break; 210 211 case 'l': 212 gopt.logfile = optarg; 213 break; 214 215 case 'n': 216 gopt.flags |= CFM_NORMALIZE_HOSTNAMES; 217 break; 218 219 case 'o': 220 gopt.op_sys_ver = optarg; 221 break; 222 223 case 'p': 224 gopt.flags |= CFM_PRINT_PID; 225 break; 226 227 case 'r': 228 gopt.flags |= CFM_RESTART_EXISTING_MOUNTS; 229 break; 230 231 case 't': 232 /* timeo.retrans (also affects toplvl mounts) */ 233 { 234 char *dot = strchr(optarg, '.'); 235 int i; 236 if (dot) 237 *dot = '\0'; 238 if (*optarg) { 239 for (i=0; i<AMU_TYPE_MAX; ++i) 240 gopt.amfs_auto_timeo[i] = atoi(optarg); 241 } 242 if (dot) { 243 for (i=0; i<AMU_TYPE_MAX; ++i) 244 gopt.amfs_auto_retrans[i] = atoi(dot + 1); 245 *dot = '.'; 246 } 247 } 248 break; 249 250 case 'v': 251 /* 252 * defer to print version info after every variable had been 253 * initialized. 254 */ 255 print_version++; 256 break; 257 258 case 'w': 259 gopt.am_timeo_w = atoi(optarg); 260 if (gopt.am_timeo_w <= 0) 261 gopt.am_timeo_w = AM_TTL_W; 262 break; 263 264 case 'x': 265 usage += switch_option(optarg); 266 break; 267 268 case 'y': 269#ifdef HAVE_MAP_NIS 270 gopt.nis_domain = optarg; 271#else /* not HAVE_MAP_NIS */ 272 plog(XLOG_USER, "-y: option ignored. No NIS support available."); 273#endif /* not HAVE_MAP_NIS */ 274 break; 275 276 case 'A': 277 gopt.arch = optarg; 278 break; 279 280 case 'C': 281 gopt.cluster = optarg; 282 break; 283 284 case 'D': 285#ifdef DEBUG 286 usage += debug_option(optarg); 287#else /* not DEBUG */ 288 fprintf(stderr, "%s: not compiled with DEBUG option -- sorry.\n", 289 am_get_progname()); 290#endif /* not DEBUG */ 291 break; 292 293 case 'F': 294 amu_conf_file = optarg; 295 use_conf_file = 1; 296 break; 297 298 case 'H': 299 show_usage(); 300 exit(1); 301 break; 302 303 case 'O': 304 gopt.op_sys = optarg; 305 break; 306 307 case 'S': 308 gopt.flags &= ~CFM_PROCESS_LOCK; /* turn process locking off */ 309 break; 310 311 case 'T': 312 conf_tag = optarg; 313 break; 314 315 default: 316 usage = 1; 317 break; 318 } 319 320 /* 321 * amd.conf file: if not command-line arguments were used, or if -F was 322 * specified, then use that amd.conf file. If the file cannot be opened, 323 * abort amd. If it can be found, open it, parse it, and then close it. 324 */ 325 if (use_conf_file && amu_conf_file) { 326 fp = fopen(amu_conf_file, "r"); 327 if (!fp) { 328 char buf[128]; 329 xsnprintf(buf, sizeof(buf), "Amd configuration file (%s)", 330 amu_conf_file); 331 perror(buf); 332 exit(1); 333 } 334 yyin = fp; 335 yyparse(); 336 fclose(fp); 337 if (process_all_regular_maps() != 0) 338 exit(1); 339 } 340 341 /* make sure there are some default options defined */ 342 if (xlog_level_init == ~0) { 343 switch_option(""); 344 } 345#ifdef DEBUG 346 usage += switch_option("debug"); 347#endif /* DEBUG */ 348 349 /* log information regarding amd.conf file */ 350 if (use_conf_file && amu_conf_file) 351 plog(XLOG_INFO, "using configuration file %s", amu_conf_file); 352 353#ifdef HAVE_MAP_LDAP 354 /* ensure that if ldap_base is specified, that also ldap_hostports is */ 355 if (gopt.ldap_hostports && !gopt.ldap_base) { 356 fprintf(stderr, "must specify both ldap_hostports and ldap_base\n"); 357 exit(1); 358 } 359#endif /* HAVE_MAP_LDAP */ 360 361 if (usage) { 362 show_usage(); 363 exit(1); 364 } 365 366 while (optind <= argc - 2) { 367 char *dir = argv[optind++]; 368 char *map = argv[optind++]; 369 char *opts = ""; 370 if (argv[optind] && *argv[optind] == '-') 371 opts = &argv[optind++][1]; 372 373 root_newmap(dir, opts, map, NULL); 374 } 375 376 if (optind == argc) { 377 /* 378 * Append domain name to hostname. 379 * sub_domain overrides hostdomain 380 * if given. 381 */ 382 if (gopt.sub_domain) 383 hostdomain = gopt.sub_domain; 384 if (*hostdomain == '.') 385 hostdomain++; 386 xstrlcat(hostd, ".", sizeof(hostd)); 387 xstrlcat(hostd, hostdomain, sizeof(hostd)); 388 389#ifdef MOUNT_TABLE_ON_FILE 390 if (amuDebug(D_MTAB)) 391 if (gopt.debug_mtab_file) 392 mnttab_file_name = gopt.debug_mtab_file; /* user supplied debug mtab path */ 393 else 394 mnttab_file_name = DEBUG_MNTTAB_FILE; /* default debug mtab path */ 395 else 396 mnttab_file_name = MNTTAB_FILE_NAME; 397#else /* not MOUNT_TABLE_ON_FILE */ 398 if (amuDebug(D_MTAB)) 399 dlog("-D mtab option ignored"); 400# ifdef MNTTAB_FILE_NAME 401 mnttab_file_name = MNTTAB_FILE_NAME; 402# endif /* MNTTAB_FILE_NAME */ 403#endif /* not MOUNT_TABLE_ON_FILE */ 404 405 /* 406 * If the kernel architecture was not specified 407 * then use the machine architecture. 408 */ 409 if (gopt.karch == NULL) 410 gopt.karch = gopt.arch; 411 412 if (gopt.cluster == NULL) 413 gopt.cluster = hostdomain; 414 415 /* sanity checking, normalize values just in case (toplvl too) */ 416 for (i=0; i<AMU_TYPE_MAX; ++i) { 417 if (gopt.amfs_auto_timeo[i] == 0) 418 gopt.amfs_auto_timeo[i] = AMFS_AUTO_TIMEO; 419 if (gopt.amfs_auto_retrans[i] == 0) 420 gopt.amfs_auto_retrans[i] = AMFS_AUTO_RETRANS(i); 421 if (gopt.amfs_auto_retrans[i] == 0) 422 gopt.amfs_auto_retrans[i] = 3; /* under very unusual circumstances, could be zero */ 423 } 424 } 425 426 /* finally print version string and exit, if asked for */ 427 if (print_version) { 428 fputs(get_version_string(), stderr); 429 exit(0); 430 } 431 432 if (switch_to_logfile(gopt.logfile, orig_umask, 433 (gopt.flags & CFM_TRUNCATE_LOG)) != 0) 434 plog(XLOG_USER, "Cannot switch logfile"); 435 436 return; 437} 438