pwd_mkdb.c revision 30260
139221Sgibbs/*- 265942Sgibbs * Copyright (c) 1991, 1993, 1994 365942Sgibbs * The Regents of the University of California. All rights reserved. 439221Sgibbs * 571717Sgibbs * Redistribution and use in source and binary forms, with or without 639221Sgibbs * modification, are permitted provided that the following conditions 739221Sgibbs * are met: 839221Sgibbs * 1. Redistributions of source code must retain the above copyright 939221Sgibbs * notice, this list of conditions and the following disclaimer. 1039221Sgibbs * 2. Redistributions in binary form must reproduce the above copyright 1139221Sgibbs * notice, this list of conditions and the following disclaimer in the 1239221Sgibbs * documentation and/or other materials provided with the distribution. 1339221Sgibbs * 3. All advertising materials mentioning features or use of this software 1439221Sgibbs * must display the following acknowledgement: 1539221Sgibbs * This product includes software developed by the University of 1639221Sgibbs * California, Berkeley and its contributors. 1739221Sgibbs * 4. Neither the name of the University nor the names of its contributors 1839221Sgibbs * may be used to endorse or promote products derived from this software 1939221Sgibbs * without specific prior written permission. 2039221Sgibbs * 2139221Sgibbs * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 2239221Sgibbs * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 2339221Sgibbs * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 2439221Sgibbs * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 2539221Sgibbs * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 2639221Sgibbs * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 2739221Sgibbs * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 2839221Sgibbs * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 2965942Sgibbs * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 3065942Sgibbs * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 3150477Speter * SUCH DAMAGE. 3239221Sgibbs */ 3339221Sgibbs 3465942Sgibbs#ifndef lint 3539221Sgibbsstatic const char copyright[] = 3655953Speter"@(#) Copyright (c) 1991, 1993, 1994\n\ 3739221Sgibbs The Regents of the University of California. All rights reserved.\n"; 3839221Sgibbs#endif /* not lint */ 3945791Speter 4039221Sgibbs#ifndef lint 4165942Sgibbs#if 0 4265942Sgibbsstatic char sccsid[] = "@(#)pwd_mkdb.c 8.5 (Berkeley) 4/20/94"; 4363457Sgibbs#endif 4465942Sgibbsstatic const char rcsid[] = 4565942Sgibbs "$Id$"; 4665942Sgibbs#endif /* not lint */ 4765942Sgibbs 4865942Sgibbs#include <sys/param.h> 4965942Sgibbs#include <sys/stat.h> 5065942Sgibbs 5165942Sgibbs#include <db.h> 5239221Sgibbs#include <err.h> 5365942Sgibbs#include <errno.h> 5465942Sgibbs#include <fcntl.h> 5545791Speter#include <limits.h> 5665942Sgibbs#include <pwd.h> 5739221Sgibbs#include <signal.h> 5856823Speter#include <stdio.h> 5945791Speter#include <stdlib.h> 6065942Sgibbs#include <string.h> 6139221Sgibbs#include <unistd.h> 6271390Sgibbs 6365942Sgibbs#include "pw_scan.h" 6465942Sgibbs 6565942Sgibbs#define INSECURE 1 6665942Sgibbs#define SECURE 2 6765942Sgibbs#define PERM_INSECURE (S_IRUSR|S_IWUSR|S_IRGRP|S_IROTH) 6865942Sgibbs#define PERM_SECURE (S_IRUSR|S_IWUSR) 6939221Sgibbs 7065942SgibbsHASHINFO openinfo = { 7165942Sgibbs 4096, /* bsize */ 7265942Sgibbs 32, /* ffactor */ 7365942Sgibbs 256, /* nelem */ 7465942Sgibbs 2048 * 1024, /* cachesize */ 7565942Sgibbs NULL, /* hash() */ 7665942Sgibbs 0 /* lorder */ 7765942Sgibbs}; 7865942Sgibbs 7965942Sgibbsstatic enum state { FILE_INSECURE, FILE_SECURE, FILE_ORIG } clean; 8065942Sgibbsstatic struct passwd pwd; /* password structure */ 8165942Sgibbsstatic char *pname; /* password file name */ 8265942Sgibbsstatic char prefix[MAXPATHLEN]; 8365942Sgibbs 8445791Speterstatic int Cflag; /* flag for comments */ 8545791Speterstatic char line[LINE_MAX]; 8645791Speter 8745791Spetervoid cleanup __P((void)); 8845791Spetervoid error __P((char *)); 8945791Spetervoid cp __P((char *, char *, mode_t mode)); 9045791Spetervoid mv __P((char *, char *)); 9165942Sgibbsint scan __P((FILE *, struct passwd *)); 9245791Speterstatic void usage __P((void)); 9365942Sgibbs 9465942Sgibbsint 9565942Sgibbsmain(argc, argv) 9639221Sgibbs int argc; 9745791Speter char *argv[]; 9865942Sgibbs{ 9965942Sgibbs DB *dp, *sdp, *pw_db; 10045791Speter DBT data, sdata, key; 10165942Sgibbs FILE *fp, *oldfp; 10265942Sgibbs sigset_t set; 10339221Sgibbs int ch, cnt, ypcnt, len, makeold, tfd, yp_enabled = 0; 10439221Sgibbs char *p, *t; 10539221Sgibbs char buf[MAX(MAXPATHLEN, LINE_MAX * 2)], tbuf[1024]; 10645791Speter char sbuf[MAX(MAXPATHLEN, LINE_MAX * 2)]; 10739221Sgibbs char buf2[MAXPATHLEN]; 10865942Sgibbs char sbuf2[MAXPATHLEN]; 10965942Sgibbs char *username; 11065942Sgibbs u_int method, methoduid; 11165942Sgibbs int cflag; 11239221Sgibbs 11365942Sgibbs cflag = 0; 11465942Sgibbs strcpy(prefix, _PATH_PWD); 11565942Sgibbs makeold = 0; 11639221Sgibbs username = NULL; 11765942Sgibbs while ((ch = getopt(argc, argv, "cd:pu:v")) != -1) 11865942Sgibbs switch(ch) { 11965942Sgibbs case 'c': /* verify only */ 12065942Sgibbs cflag = 1; 12165942Sgibbs break; 12265942Sgibbs case 'd': 12365942Sgibbs strncpy(prefix, optarg, sizeof prefix - 1); 12465942Sgibbs break; 12565942Sgibbs case 'p': /* create V7 "file.orig" */ 12671390Sgibbs makeold = 1; 12765942Sgibbs break; 12865942Sgibbs case 'u': /* only update this record */ 12965942Sgibbs username = optarg; 13071390Sgibbs break; 13171390Sgibbs case 'v': /* backward compatible */ 13265942Sgibbs break; 13365942Sgibbs default: 13449860Sgibbs usage(); 13539221Sgibbs } 13639221Sgibbs argc -= optind; 13739221Sgibbs argv += optind; 13839221Sgibbs 13965942Sgibbs if (argc != 1 || (username && (*username == '+' || *username == '-'))) 14039221Sgibbs usage(); 14165942Sgibbs 14265942Sgibbs /* 14339221Sgibbs * This could be changed to allow the user to interrupt. 14439221Sgibbs * Probably not worth the effort. 14545967Sgibbs */ 14645967Sgibbs sigemptyset(&set); 14765942Sgibbs sigaddset(&set, SIGTSTP); 14865942Sgibbs sigaddset(&set, SIGHUP); 14939221Sgibbs sigaddset(&set, SIGINT); 15065942Sgibbs sigaddset(&set, SIGQUIT); 15165942Sgibbs sigaddset(&set, SIGTERM); 15265942Sgibbs (void)sigprocmask(SIG_BLOCK, &set, (sigset_t *)NULL); 15365942Sgibbs 15465942Sgibbs /* We don't care what the user wants. */ 15547274Sgibbs (void)umask(0); 15647274Sgibbs 15739221Sgibbs pname = *argv; 15865942Sgibbs /* Open the original password file */ 15939221Sgibbs if (!(fp = fopen(pname, "r"))) 16039221Sgibbs error(pname); 16165942Sgibbs 16265942Sgibbs /* check only if password database is valid */ 16339221Sgibbs if (cflag) { 16465942Sgibbs for (cnt = 1; scan(fp, &pwd); ++cnt); 16565942Sgibbs exit(0); 16639221Sgibbs } 16771390Sgibbs 16865942Sgibbs /* Open the temporary insecure password database. */ 16965942Sgibbs (void)snprintf(buf, sizeof(buf), "%s/%s.tmp", prefix, _MP_DB); 17065942Sgibbs (void)snprintf(sbuf, sizeof(sbuf), "%s/%s.tmp", prefix, _SMP_DB); 17165942Sgibbs if (username) { 17265942Sgibbs (void)snprintf(buf2, sizeof(buf2), "%s/%s", prefix, _MP_DB); 17339221Sgibbs (void)snprintf(sbuf2, sizeof(sbuf2), "%s/%s", prefix, _SMP_DB); 17465942Sgibbs 17565942Sgibbs clean = FILE_INSECURE; 17665942Sgibbs cp(buf2, buf, PERM_INSECURE); 17765942Sgibbs dp = dbopen(buf, 17865942Sgibbs O_RDWR|O_EXCL, PERM_INSECURE, DB_HASH, &openinfo); 17965942Sgibbs if (dp == NULL) 18065942Sgibbs error(buf); 18139221Sgibbs 18265942Sgibbs clean = FILE_SECURE; 18374094Sgibbs cp(sbuf2, sbuf, PERM_SECURE); 18465942Sgibbs sdp = dbopen(sbuf, 18565942Sgibbs O_RDWR|O_EXCL, PERM_SECURE, DB_HASH, &openinfo); 18639221Sgibbs if (sdp == NULL) 18765942Sgibbs error(sbuf); 18865942Sgibbs 18965942Sgibbs /* 19065942Sgibbs * Do some trouble to check if we should store this users 19165942Sgibbs * uid. Don't use getpwnam/getpwuid as that interferes 19265942Sgibbs * with NIS. 19365942Sgibbs */ 19465942Sgibbs pw_db = dbopen(_PATH_MP_DB, O_RDONLY, 0, DB_HASH, NULL); 19539221Sgibbs if (!pw_db) 19639221Sgibbs error(_MP_DB); 19745791Speter buf[0] = _PW_KEYBYNAME; 19845791Speter len = strlen(username); 19945791Speter 20045791Speter /* Only check that username fits in buffer */ 20170204Sgibbs memmove(buf + 1, username, MIN(len, sizeof(buf) - 1)); 20245791Speter key.data = (u_char *)buf; 20345791Speter key.size = len + 1; 20445791Speter if ((pw_db->get)(pw_db, &key, &data, 0) == 0) { 20545791Speter p = (char *)data.data; 20645791Speter 20745791Speter /* jump over pw_name and pw_passwd, to get to pw_uid */ 20870204Sgibbs while (*p++) 20945791Speter ; 21045791Speter while (*p++) 21145791Speter ; 21245791Speter 21345791Speter buf[0] = _PW_KEYBYUID; 214 memmove(buf + 1, p, sizeof(int)); 215 key.data = (u_char *)buf; 216 key.size = sizeof(int) + 1; 217 218 if ((pw_db->get)(pw_db, &key, &data, 0) == 0) { 219 /* First field of data.data holds pw_pwname */ 220 if (!strcmp(data.data, username)) 221 methoduid = 0; 222 else 223 methoduid = R_NOOVERWRITE; 224 } else { 225 methoduid = R_NOOVERWRITE; 226 } 227 } else { 228 methoduid = R_NOOVERWRITE; 229 } 230 (void)(pw_db->close)(pw_db); 231 method = 0; 232 } else { 233 dp = dbopen(buf, 234 O_RDWR|O_CREAT|O_EXCL, PERM_INSECURE, DB_HASH, &openinfo); 235 if (dp == NULL) 236 error(buf); 237 clean = FILE_INSECURE; 238 239 sdp = dbopen(sbuf, 240 O_RDWR|O_CREAT|O_EXCL, PERM_SECURE, DB_HASH, &openinfo); 241 if (sdp == NULL) 242 error(sbuf); 243 clean = FILE_SECURE; 244 245 method = R_NOOVERWRITE; 246 methoduid = R_NOOVERWRITE; 247 } 248 249 /* 250 * Open file for old password file. Minor trickiness -- don't want to 251 * chance the file already existing, since someone (stupidly) might 252 * still be using this for permission checking. So, open it first and 253 * fdopen the resulting fd. The resulting file should be readable by 254 * everyone. 255 */ 256 if (makeold) { 257 (void)snprintf(buf, sizeof(buf), "%s.orig", pname); 258 if ((tfd = open(buf, 259 O_WRONLY|O_CREAT|O_EXCL, PERM_INSECURE)) < 0) 260 error(buf); 261 if ((oldfp = fdopen(tfd, "w")) == NULL) 262 error(buf); 263 clean = FILE_ORIG; 264 } 265 266 /* 267 * The databases actually contain three copies of the original data. 268 * Each password file entry is converted into a rough approximation 269 * of a ``struct passwd'', with the strings placed inline. This 270 * object is then stored as the data for three separate keys. The 271 * first key * is the pw_name field prepended by the _PW_KEYBYNAME 272 * character. The second key is the pw_uid field prepended by the 273 * _PW_KEYBYUID character. The third key is the line number in the 274 * original file prepended by the _PW_KEYBYNUM character. (The special 275 * characters are prepended to ensure that the keys do not collide.) 276 */ 277 ypcnt = 1; 278 data.data = (u_char *)buf; 279 sdata.data = (u_char *)sbuf; 280 key.data = (u_char *)tbuf; 281 for (cnt = 1; scan(fp, &pwd); ++cnt) { 282 if (!Cflag && 283 (pwd.pw_name[0] == '+' || pwd.pw_name[0] == '-')) 284 yp_enabled = 1; 285#define COMPACT(e) t = e; while ((*p++ = *t++)); 286 if (!Cflag && 287 (!username || (strcmp(username, pwd.pw_name) == 0))) { 288 /* Create insecure data. */ 289 p = buf; 290 COMPACT(pwd.pw_name); 291 COMPACT("*"); 292 memmove(p, &pwd.pw_uid, sizeof(int)); 293 p += sizeof(int); 294 memmove(p, &pwd.pw_gid, sizeof(int)); 295 p += sizeof(int); 296 memmove(p, &pwd.pw_change, sizeof(time_t)); 297 p += sizeof(time_t); 298 COMPACT(pwd.pw_class); 299 COMPACT(pwd.pw_gecos); 300 COMPACT(pwd.pw_dir); 301 COMPACT(pwd.pw_shell); 302 memmove(p, &pwd.pw_expire, sizeof(time_t)); 303 p += sizeof(time_t); 304 memmove(p, &pwd.pw_fields, sizeof pwd.pw_fields); 305 p += sizeof pwd.pw_fields; 306 data.size = p - buf; 307 308 /* Create secure data. */ 309 p = sbuf; 310 COMPACT(pwd.pw_name); 311 COMPACT(pwd.pw_passwd); 312 memmove(p, &pwd.pw_uid, sizeof(int)); 313 p += sizeof(int); 314 memmove(p, &pwd.pw_gid, sizeof(int)); 315 p += sizeof(int); 316 memmove(p, &pwd.pw_change, sizeof(time_t)); 317 p += sizeof(time_t); 318 COMPACT(pwd.pw_class); 319 COMPACT(pwd.pw_gecos); 320 COMPACT(pwd.pw_dir); 321 COMPACT(pwd.pw_shell); 322 memmove(p, &pwd.pw_expire, sizeof(time_t)); 323 p += sizeof(time_t); 324 memmove(p, &pwd.pw_fields, sizeof pwd.pw_fields); 325 p += sizeof pwd.pw_fields; 326 sdata.size = p - sbuf; 327 328 /* Store insecure by name. */ 329 tbuf[0] = _PW_KEYBYNAME; 330 len = strlen(pwd.pw_name); 331 memmove(tbuf + 1, pwd.pw_name, len); 332 key.size = len + 1; 333 if ((dp->put)(dp, &key, &data, method) == -1) 334 error("put"); 335 336 /* Store insecure by number. */ 337 tbuf[0] = _PW_KEYBYNUM; 338 memmove(tbuf + 1, &cnt, sizeof(cnt)); 339 key.size = sizeof(cnt) + 1; 340 if ((dp->put)(dp, &key, &data, method) == -1) 341 error("put"); 342 343 /* Store insecure by uid. */ 344 tbuf[0] = _PW_KEYBYUID; 345 memmove(tbuf + 1, &pwd.pw_uid, sizeof(pwd.pw_uid)); 346 key.size = sizeof(pwd.pw_uid) + 1; 347 if ((dp->put)(dp, &key, &data, methoduid) == -1) 348 error("put"); 349 350 /* Store secure by name. */ 351 tbuf[0] = _PW_KEYBYNAME; 352 len = strlen(pwd.pw_name); 353 memmove(tbuf + 1, pwd.pw_name, len); 354 key.size = len + 1; 355 if ((sdp->put)(sdp, &key, &sdata, method) == -1) 356 error("put"); 357 358 /* Store secure by number. */ 359 tbuf[0] = _PW_KEYBYNUM; 360 memmove(tbuf + 1, &cnt, sizeof(cnt)); 361 key.size = sizeof(cnt) + 1; 362 if ((sdp->put)(sdp, &key, &sdata, method) == -1) 363 error("put"); 364 365 /* Store secure by uid. */ 366 tbuf[0] = _PW_KEYBYUID; 367 memmove(tbuf + 1, &pwd.pw_uid, sizeof(pwd.pw_uid)); 368 key.size = sizeof(pwd.pw_uid) + 1; 369 if ((sdp->put)(sdp, &key, &sdata, methoduid) == -1) 370 error("put"); 371 372 /* Store insecure and secure special plus and special minus */ 373 if (pwd.pw_name[0] == '+' || pwd.pw_name[0] == '-') { 374 tbuf[0] = _PW_KEYYPBYNUM; 375 memmove(tbuf + 1, &ypcnt, sizeof(cnt)); 376 ypcnt++; 377 key.size = sizeof(cnt) + 1; 378 if ((dp->put)(dp, &key, &data, method) == -1) 379 error("put"); 380 if ((sdp->put)(sdp, &key, &sdata, method) == -1) 381 error("put"); 382 } 383 } 384 /* Create original format password file entry */ 385 if (Cflag && makeold) /* copy comments */ 386 (void)fprintf(oldfp, "%s\n", line); 387 else if (makeold) { 388 char uidstr[20]; 389 char gidstr[20]; 390 391 snprintf(uidstr, sizeof(uidstr), "%d", pwd.pw_uid); 392 snprintf(gidstr, sizeof(gidstr), "%d", pwd.pw_gid); 393 394 (void)fprintf(oldfp, "%s:*:%s:%s:%s:%s:%s\n", 395 pwd.pw_name, pwd.pw_fields & _PWF_UID ? uidstr : "", 396 pwd.pw_fields & _PWF_GID ? gidstr : "", 397 pwd.pw_gecos, pwd.pw_dir, pwd.pw_shell); 398 } 399 } 400 /* If YP enabled, set flag. */ 401 if (yp_enabled) { 402 buf[0] = yp_enabled + 2; 403 data.size = 1; 404 tbuf[0] = _PW_KEYYPENABLED; 405 key.size = 1; 406 if ((dp->put)(dp, &key, &data, method) == -1) 407 error("put"); 408 if ((sdp->put)(sdp, &key, &data, method) == -1) 409 error("put"); 410 } 411 412 if ((dp->close)(dp) == -1) 413 error("close"); 414 if ((sdp->close)(sdp) == -1) 415 error("close"); 416 if (makeold) { 417 (void)fflush(oldfp); 418 (void)fclose(oldfp); 419 } 420 421 /* Set master.passwd permissions, in case caller forgot. */ 422 (void)fchmod(fileno(fp), S_IRUSR|S_IWUSR); 423 (void)fclose(fp); 424 425 /* Install as the real password files. */ 426 (void)snprintf(buf, sizeof(buf), "%s/%s.tmp", prefix, _MP_DB); 427 (void)snprintf(buf2, sizeof(buf2), "%s/%s", prefix, _MP_DB); 428 mv(buf, buf2); 429 (void)snprintf(buf, sizeof(buf), "%s/%s.tmp", prefix, _SMP_DB); 430 (void)snprintf(buf2, sizeof(buf2), "%s/%s", prefix, _SMP_DB); 431 mv(buf, buf2); 432 if (makeold) { 433 (void)snprintf(buf2, sizeof(buf2), "%s/%s", prefix, _PASSWD); 434 (void)snprintf(buf, sizeof(buf), "%s.orig", pname); 435 mv(buf, buf2); 436 } 437 /* 438 * Move the master password LAST -- chpass(1), passwd(1) and vipw(8) 439 * all use flock(2) on it to block other incarnations of themselves. 440 * The rename means that everything is unlocked, as the original file 441 * can no longer be accessed. 442 */ 443 (void)snprintf(buf, sizeof(buf), "%s/%s", prefix, _MASTERPASSWD); 444 mv(pname, buf); 445 exit(0); 446} 447 448int 449scan(fp, pw) 450 FILE *fp; 451 struct passwd *pw; 452{ 453 static int lcnt; 454 char *p; 455 456 if (!fgets(line, sizeof(line), fp)) 457 return (0); 458 ++lcnt; 459 /* 460 * ``... if I swallow anything evil, put your fingers down my 461 * throat...'' 462 * -- The Who 463 */ 464 if (!(p = strchr(line, '\n'))) { 465 warnx("line too long"); 466 goto fmt; 467 468 } 469 *p = '\0'; 470 471#ifdef PASSWD_IGNORE_COMMENTS 472 /* 473 * Ignore comments: ^[ \t]*# 474 */ 475 for (p = line; *p != '\0'; p++) 476 if (*p != ' ' && *p != '\t') 477 break; 478 if (*p == '#' || *p == '\0') { 479 Cflag = 1; 480 return(1); 481 } else 482 Cflag = 0; 483#endif 484 485 if (!pw_scan(line, pw)) { 486 warnx("at line #%d", lcnt); 487fmt: errno = EFTYPE; /* XXX */ 488 error(pname); 489 } 490 491 return (1); 492} 493 494void 495cp(from, to, mode) 496 char *from, *to; 497 mode_t mode; 498{ 499 static char buf[MAXBSIZE]; 500 int from_fd, rcount, to_fd, wcount; 501 502 if ((from_fd = open(from, O_RDONLY, 0)) < 0) 503 error(from); 504 if ((to_fd = open(to, O_WRONLY|O_CREAT|O_EXCL, mode)) < 0) 505 error(to); 506 while ((rcount = read(from_fd, buf, MAXBSIZE)) > 0) { 507 wcount = write(to_fd, buf, rcount); 508 if (rcount != wcount || wcount == -1) { 509 int sverrno = errno; 510 511 (void)snprintf(buf, sizeof(buf), "%s to %s", from, to); 512 errno = sverrno; 513 error(buf); 514 } 515 } 516 if (rcount < 0) { 517 int sverrno = errno; 518 519 (void)snprintf(buf, sizeof(buf), "%s to %s", from, to); 520 errno = sverrno; 521 error(buf); 522 } 523} 524 525 526void 527mv(from, to) 528 char *from, *to; 529{ 530 char buf[MAXPATHLEN]; 531 532 if (rename(from, to)) { 533 int sverrno = errno; 534 (void)snprintf(buf, sizeof(buf), "%s to %s", from, to); 535 errno = sverrno; 536 error(buf); 537 } 538} 539 540void 541error(name) 542 char *name; 543{ 544 545 warn("%s", name); 546 cleanup(); 547 exit(1); 548} 549 550void 551cleanup() 552{ 553 char buf[MAXPATHLEN]; 554 555 switch(clean) { 556 case FILE_ORIG: 557 (void)snprintf(buf, sizeof(buf), "%s.orig", pname); 558 (void)unlink(buf); 559 /* FALLTHROUGH */ 560 case FILE_SECURE: 561 (void)snprintf(buf, sizeof(buf), "%s/%s.tmp", prefix, _SMP_DB); 562 (void)unlink(buf); 563 /* FALLTHROUGH */ 564 case FILE_INSECURE: 565 (void)snprintf(buf, sizeof(buf), "%s/%s.tmp", prefix, _MP_DB); 566 (void)unlink(buf); 567 } 568} 569 570static void 571usage() 572{ 573 574 (void)fprintf(stderr, 575"usage: pwd_mkdb [-c] [-p] [-d <dest dir>] [-u <local username>] file\n"); 576 exit(1); 577} 578