pw_user.c revision 286340
1/*- 2 * Copyright (C) 1996 3 * David L. Nugent. All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 14 * THIS SOFTWARE IS PROVIDED BY DAVID L. NUGENT AND CONTRIBUTORS ``AS IS'' AND 15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17 * ARE DISCLAIMED. IN NO EVENT SHALL DAVID L. NUGENT OR CONTRIBUTORS BE LIABLE 18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 * 26 */ 27 28#ifndef lint 29static const char rcsid[] = 30 "$FreeBSD: stable/10/usr.sbin/pw/pw_user.c 286340 2015-08-05 20:32:07Z bapt $"; 31#endif /* not lint */ 32 33#include <ctype.h> 34#include <err.h> 35#include <fcntl.h> 36#include <sys/param.h> 37#include <dirent.h> 38#include <paths.h> 39#include <termios.h> 40#include <sys/types.h> 41#include <sys/time.h> 42#include <sys/resource.h> 43#include <login_cap.h> 44#include <pwd.h> 45#include <grp.h> 46#include <libutil.h> 47#include "pw.h" 48#include "bitmap.h" 49 50#define LOGNAMESIZE (MAXLOGNAME-1) 51 52static char locked_str[] = "*LOCKED*"; 53 54static int delete_user(struct userconf *cnf, struct passwd *pwd, 55 char *name, int delete, int mode); 56static int print_user(struct passwd * pwd); 57static uid_t pw_uidpolicy(struct userconf * cnf, long id); 58static uid_t pw_gidpolicy(struct cargs * args, char *nam, gid_t prefer); 59static time_t pw_pwdpolicy(struct userconf * cnf, struct cargs * args); 60static time_t pw_exppolicy(struct userconf * cnf, struct cargs * args); 61static char *pw_homepolicy(struct userconf * cnf, struct cargs * args, char const * user); 62static char *pw_shellpolicy(struct userconf * cnf, struct cargs * args, char *newshell); 63static char *pw_password(struct userconf * cnf, struct cargs * args, char const * user); 64static char *shell_path(char const * path, char *shells[], char *sh); 65static void rmat(uid_t uid); 66static void rmopie(char const * name); 67 68static void 69create_and_populate_homedir(int mode, struct passwd *pwd) 70{ 71 char *homedir, *dotdir; 72 struct userconf *cnf = conf.userconf; 73 74 homedir = dotdir = NULL; 75 76 if (conf.rootdir[0] != '\0') { 77 asprintf(&homedir, "%s/%s", conf.rootdir, pwd->pw_dir); 78 if (homedir == NULL) 79 errx(EX_OSERR, "out of memory"); 80 asprintf(&dotdir, "%s/%s", conf.rootdir, cnf->dotdir); 81 } 82 83 copymkdir(homedir ? homedir : pwd->pw_dir, dotdir ? dotdir: cnf->dotdir, 84 cnf->homemode, pwd->pw_uid, pwd->pw_gid); 85 pw_log(cnf, mode, W_USER, "%s(%u) home %s made", pwd->pw_name, 86 pwd->pw_uid, pwd->pw_dir); 87} 88 89/*- 90 * -C config configuration file 91 * -q quiet operation 92 * -n name login name 93 * -u uid user id 94 * -c comment user name/comment 95 * -d directory home directory 96 * -e date account expiry date 97 * -p date password expiry date 98 * -g grp primary group 99 * -G grp1,grp2 additional groups 100 * -m [ -k dir ] create and set up home 101 * -s shell name of login shell 102 * -o duplicate uid ok 103 * -L class user class 104 * -l name new login name 105 * -h fd password filehandle 106 * -H fd encrypted password filehandle 107 * -F force print or add 108 * Setting defaults: 109 * -D set user defaults 110 * -b dir default home root dir 111 * -e period default expiry period 112 * -p period default password change period 113 * -g group default group 114 * -G grp1,grp2.. default additional groups 115 * -L class default login class 116 * -k dir default home skeleton 117 * -s shell default shell 118 * -w method default password method 119 */ 120 121int 122pw_user(int mode, char *name, long id, struct cargs * args) 123{ 124 int rc, edited = 0; 125 char *p = NULL; 126 char *passtmp; 127 struct carg *arg; 128 struct passwd *pwd = NULL; 129 struct group *grp; 130 struct stat st; 131 struct userconf *cnf; 132 char line[_PASSWORD_LEN+1]; 133 char path[MAXPATHLEN]; 134 FILE *fp; 135 char *dmode_c; 136 void *set = NULL; 137 138 static struct passwd fakeuser = 139 { 140 NULL, 141 "*", 142 -1, 143 -1, 144 0, 145 "", 146 "User &", 147 "/nonexistent", 148 "/bin/sh", 149 0 150#if defined(__FreeBSD__) 151 ,0 152#endif 153 }; 154 155 cnf = conf.userconf; 156 157 /* 158 * With M_NEXT, we only need to return the 159 * next uid to stdout 160 */ 161 if (mode == M_NEXT) 162 { 163 uid_t next = pw_uidpolicy(cnf, id); 164 if (getarg(args, 'q')) 165 return next; 166 printf("%u:", next); 167 pw_group(mode, name, -1, args); 168 return EXIT_SUCCESS; 169 } 170 171 /* 172 * We can do all of the common legwork here 173 */ 174 175 if ((arg = getarg(args, 'b')) != NULL) { 176 cnf->home = arg->val; 177 } 178 179 if ((arg = getarg(args, 'M')) != NULL) { 180 dmode_c = arg->val; 181 if ((set = setmode(dmode_c)) == NULL) 182 errx(EX_DATAERR, "invalid directory creation mode '%s'", 183 dmode_c); 184 cnf->homemode = getmode(set, _DEF_DIRMODE); 185 free(set); 186 } 187 188 /* 189 * If we'll need to use it or we're updating it, 190 * then create the base home directory if necessary 191 */ 192 if (arg != NULL || getarg(args, 'm') != NULL) { 193 int l = strlen(cnf->home); 194 195 if (l > 1 && cnf->home[l-1] == '/') /* Shave off any trailing path delimiter */ 196 cnf->home[--l] = '\0'; 197 198 if (l < 2 || *cnf->home != '/') /* Check for absolute path name */ 199 errx(EX_DATAERR, "invalid base directory for home '%s'", cnf->home); 200 201 if (stat(cnf->home, &st) == -1) { 202 char dbuf[MAXPATHLEN]; 203 204 /* 205 * This is a kludge especially for Joerg :) 206 * If the home directory would be created in the root partition, then 207 * we really create it under /usr which is likely to have more space. 208 * But we create a symlink from cnf->home -> "/usr" -> cnf->home 209 */ 210 if (strchr(cnf->home+1, '/') == NULL) { 211 snprintf(dbuf, MAXPATHLEN, "/usr%s", cnf->home); 212 if (mkdir(dbuf, _DEF_DIRMODE) != -1 || errno == EEXIST) { 213 chown(dbuf, 0, 0); 214 /* 215 * Skip first "/" and create symlink: 216 * /home -> usr/home 217 */ 218 symlink(dbuf+1, cnf->home); 219 } 220 /* If this falls, fall back to old method */ 221 } 222 strlcpy(dbuf, cnf->home, sizeof(dbuf)); 223 p = dbuf; 224 if (stat(dbuf, &st) == -1) { 225 while ((p = strchr(p + 1, '/')) != NULL) { 226 *p = '\0'; 227 if (stat(dbuf, &st) == -1) { 228 if (mkdir(dbuf, _DEF_DIRMODE) == -1) 229 goto direrr; 230 chown(dbuf, 0, 0); 231 } else if (!S_ISDIR(st.st_mode)) 232 errx(EX_OSFILE, "'%s' (root home parent) is not a directory", dbuf); 233 *p = '/'; 234 } 235 } 236 if (stat(dbuf, &st) == -1) { 237 if (mkdir(dbuf, _DEF_DIRMODE) == -1) { 238 direrr: err(EX_OSFILE, "mkdir '%s'", dbuf); 239 } 240 chown(dbuf, 0, 0); 241 } 242 } else if (!S_ISDIR(st.st_mode)) 243 errx(EX_OSFILE, "root home `%s' is not a directory", cnf->home); 244 } 245 246 if ((arg = getarg(args, 'e')) != NULL) 247 cnf->expire_days = atoi(arg->val); 248 249 if ((arg = getarg(args, 'y')) != NULL) 250 cnf->nispasswd = arg->val; 251 252 if ((arg = getarg(args, 'p')) != NULL && arg->val) 253 cnf->password_days = atoi(arg->val); 254 255 if ((arg = getarg(args, 'g')) != NULL) { 256 if (!*(p = arg->val)) /* Handle empty group list specially */ 257 cnf->default_group = ""; 258 else { 259 if ((grp = GETGRNAM(p)) == NULL) { 260 if (!isdigit((unsigned char)*p) || (grp = GETGRGID((gid_t) atoi(p))) == NULL) 261 errx(EX_NOUSER, "group `%s' does not exist", p); 262 } 263 cnf->default_group = newstr(grp->gr_name); 264 } 265 } 266 if ((arg = getarg(args, 'L')) != NULL) 267 cnf->default_class = pw_checkname(arg->val, 0); 268 269 if ((arg = getarg(args, 'G')) != NULL && arg->val) { 270 int i = 0; 271 272 for (p = strtok(arg->val, ", \t"); p != NULL; p = strtok(NULL, ", \t")) { 273 if ((grp = GETGRNAM(p)) == NULL) { 274 if (!isdigit((unsigned char)*p) || (grp = GETGRGID((gid_t) atoi(p))) == NULL) 275 errx(EX_NOUSER, "group `%s' does not exist", p); 276 } 277 if (extendarray(&cnf->groups, &cnf->numgroups, i + 2) != -1) 278 cnf->groups[i++] = newstr(grp->gr_name); 279 } 280 while (i < cnf->numgroups) 281 cnf->groups[i++] = NULL; 282 } 283 284 if ((arg = getarg(args, 'k')) != NULL) { 285 if (stat(cnf->dotdir = arg->val, &st) == -1 || !S_ISDIR(st.st_mode)) 286 errx(EX_OSFILE, "skeleton `%s' is not a directory or does not exist", cnf->dotdir); 287 } 288 289 if ((arg = getarg(args, 's')) != NULL) 290 cnf->shell_default = arg->val; 291 292 if ((arg = getarg(args, 'w')) != NULL) 293 cnf->default_password = boolean_val(arg->val, cnf->default_password); 294 if (mode == M_ADD && getarg(args, 'D')) { 295 if (name != NULL) 296 errx(EX_DATAERR, "can't combine `-D' with `-n name'"); 297 if ((arg = getarg(args, 'u')) != NULL && (p = strtok(arg->val, ", \t")) != NULL) { 298 if ((cnf->min_uid = (uid_t) atoi(p)) == 0) 299 cnf->min_uid = 1000; 300 if ((p = strtok(NULL, " ,\t")) == NULL || (cnf->max_uid = (uid_t) atoi(p)) < cnf->min_uid) 301 cnf->max_uid = 32000; 302 } 303 if ((arg = getarg(args, 'i')) != NULL && (p = strtok(arg->val, ", \t")) != NULL) { 304 if ((cnf->min_gid = (gid_t) atoi(p)) == 0) 305 cnf->min_gid = 1000; 306 if ((p = strtok(NULL, " ,\t")) == NULL || (cnf->max_gid = (gid_t) atoi(p)) < cnf->min_gid) 307 cnf->max_gid = 32000; 308 } 309 310 if (write_userconfig(conf.config)) 311 return (EXIT_SUCCESS); 312 err(EX_IOERR, "config udpate"); 313 } 314 315 if (mode == M_PRINT && getarg(args, 'a')) { 316 SETPWENT(); 317 while ((pwd = GETPWENT()) != NULL) 318 print_user(pwd); 319 ENDPWENT(); 320 return EXIT_SUCCESS; 321 } 322 323 if (name != NULL) 324 pwd = GETPWNAM(pw_checkname(name, 0)); 325 326 if (id < 0 && name == NULL) 327 errx(EX_DATAERR, "user name or id required"); 328 329 /* 330 * Update, delete & print require that the user exists 331 */ 332 if (mode == M_UPDATE || mode == M_DELETE || 333 mode == M_PRINT || mode == M_LOCK || mode == M_UNLOCK) { 334 335 if (name == NULL && pwd == NULL) /* Try harder */ 336 pwd = GETPWUID(id); 337 338 if (pwd == NULL) { 339 if (mode == M_PRINT && getarg(args, 'F')) { 340 fakeuser.pw_name = name ? name : "nouser"; 341 fakeuser.pw_uid = (uid_t) id; 342 return print_user(&fakeuser); 343 } 344 if (name == NULL) 345 errx(EX_NOUSER, "no such uid `%ld'", id); 346 errx(EX_NOUSER, "no such user `%s'", name); 347 } 348 349 if (name == NULL) 350 name = pwd->pw_name; 351 352 /* 353 * The M_LOCK and M_UNLOCK functions simply add or remove 354 * a "*LOCKED*" prefix from in front of the password to 355 * prevent it decoding correctly, and therefore prevents 356 * access. Of course, this only prevents access via 357 * password authentication (not ssh, kerberos or any 358 * other method that does not use the UNIX password) but 359 * that is a known limitation. 360 */ 361 362 if (mode == M_LOCK) { 363 if (strncmp(pwd->pw_passwd, locked_str, sizeof(locked_str)-1) == 0) 364 errx(EX_DATAERR, "user '%s' is already locked", pwd->pw_name); 365 asprintf(&passtmp, "%s%s", locked_str, pwd->pw_passwd); 366 if (passtmp == NULL) /* disaster */ 367 errx(EX_UNAVAILABLE, "out of memory"); 368 pwd->pw_passwd = passtmp; 369 edited = 1; 370 } else if (mode == M_UNLOCK) { 371 if (strncmp(pwd->pw_passwd, locked_str, sizeof(locked_str)-1) != 0) 372 errx(EX_DATAERR, "user '%s' is not locked", pwd->pw_name); 373 pwd->pw_passwd += sizeof(locked_str)-1; 374 edited = 1; 375 } else if (mode == M_DELETE) 376 return (delete_user(cnf, pwd, name, 377 getarg(args, 'r') != NULL, mode)); 378 else if (mode == M_PRINT) 379 return print_user(pwd); 380 381 /* 382 * The rest is edit code 383 */ 384 if (conf.newname != NULL) { 385 if (strcmp(pwd->pw_name, "root") == 0) 386 errx(EX_DATAERR, "can't rename `root' account"); 387 pwd->pw_name = pw_checkname(conf.newname, 0); 388 edited = 1; 389 } 390 391 if (id > 0) { 392 pwd->pw_uid = (uid_t)id; 393 edited = 1; 394 if (pwd->pw_uid != 0 && strcmp(pwd->pw_name, "root") == 0) 395 errx(EX_DATAERR, "can't change uid of `root' account"); 396 if (pwd->pw_uid == 0 && strcmp(pwd->pw_name, "root") != 0) 397 warnx("WARNING: account `%s' will have a uid of 0 (superuser access!)", pwd->pw_name); 398 } 399 400 if ((arg = getarg(args, 'g')) != NULL && pwd->pw_uid != 0) { /* Already checked this */ 401 gid_t newgid = (gid_t) GETGRNAM(cnf->default_group)->gr_gid; 402 if (newgid != pwd->pw_gid) { 403 edited = 1; 404 pwd->pw_gid = newgid; 405 } 406 } 407 408 if ((arg = getarg(args, 'p')) != NULL) { 409 if (*arg->val == '\0' || strcmp(arg->val, "0") == 0) { 410 if (pwd->pw_change != 0) { 411 pwd->pw_change = 0; 412 edited = 1; 413 } 414 } 415 else { 416 time_t now = time(NULL); 417 time_t expire = parse_date(now, arg->val); 418 419 if (pwd->pw_change != expire) { 420 pwd->pw_change = expire; 421 edited = 1; 422 } 423 } 424 } 425 426 if ((arg = getarg(args, 'e')) != NULL) { 427 if (*arg->val == '\0' || strcmp(arg->val, "0") == 0) { 428 if (pwd->pw_expire != 0) { 429 pwd->pw_expire = 0; 430 edited = 1; 431 } 432 } 433 else { 434 time_t now = time(NULL); 435 time_t expire = parse_date(now, arg->val); 436 437 if (pwd->pw_expire != expire) { 438 pwd->pw_expire = expire; 439 edited = 1; 440 } 441 } 442 } 443 444 if ((arg = getarg(args, 's')) != NULL) { 445 char *shell = shell_path(cnf->shelldir, cnf->shells, arg->val); 446 if (shell == NULL) 447 shell = ""; 448 if (strcmp(shell, pwd->pw_shell) != 0) { 449 pwd->pw_shell = shell; 450 edited = 1; 451 } 452 } 453 454 if (getarg(args, 'L')) { 455 if (cnf->default_class == NULL) 456 cnf->default_class = ""; 457 if (strcmp(pwd->pw_class, cnf->default_class) != 0) { 458 pwd->pw_class = cnf->default_class; 459 edited = 1; 460 } 461 } 462 463 if ((arg = getarg(args, 'd')) != NULL) { 464 if (strcmp(pwd->pw_dir, arg->val)) 465 edited = 1; 466 if (stat(pwd->pw_dir = arg->val, &st) == -1) { 467 if (getarg(args, 'm') == NULL && strcmp(pwd->pw_dir, "/nonexistent") != 0) 468 warnx("WARNING: home `%s' does not exist", pwd->pw_dir); 469 } else if (!S_ISDIR(st.st_mode)) 470 warnx("WARNING: home `%s' is not a directory", pwd->pw_dir); 471 } 472 473 if ((arg = getarg(args, 'w')) != NULL && 474 getarg(args, 'h') == NULL && getarg(args, 'H') == NULL) { 475 login_cap_t *lc; 476 477 lc = login_getpwclass(pwd); 478 if (lc == NULL || 479 login_setcryptfmt(lc, "sha512", NULL) == NULL) 480 warn("setting crypt(3) format"); 481 login_close(lc); 482 pwd->pw_passwd = pw_password(cnf, args, pwd->pw_name); 483 edited = 1; 484 } 485 486 } else { 487 login_cap_t *lc; 488 489 /* 490 * Add code 491 */ 492 493 if (name == NULL) /* Required */ 494 errx(EX_DATAERR, "login name required"); 495 else if ((pwd = GETPWNAM(name)) != NULL) /* Exists */ 496 errx(EX_DATAERR, "login name `%s' already exists", name); 497 498 /* 499 * Now, set up defaults for a new user 500 */ 501 pwd = &fakeuser; 502 pwd->pw_name = name; 503 pwd->pw_class = cnf->default_class ? cnf->default_class : ""; 504 pwd->pw_uid = pw_uidpolicy(cnf, id); 505 pwd->pw_gid = pw_gidpolicy(args, pwd->pw_name, (gid_t) pwd->pw_uid); 506 pwd->pw_change = pw_pwdpolicy(cnf, args); 507 pwd->pw_expire = pw_exppolicy(cnf, args); 508 pwd->pw_dir = pw_homepolicy(cnf, args, pwd->pw_name); 509 pwd->pw_shell = pw_shellpolicy(cnf, args, NULL); 510 lc = login_getpwclass(pwd); 511 if (lc == NULL || login_setcryptfmt(lc, "sha512", NULL) == NULL) 512 warn("setting crypt(3) format"); 513 login_close(lc); 514 pwd->pw_passwd = pw_password(cnf, args, pwd->pw_name); 515 edited = 1; 516 517 if (pwd->pw_uid == 0 && strcmp(pwd->pw_name, "root") != 0) 518 warnx("WARNING: new account `%s' has a uid of 0 (superuser access!)", pwd->pw_name); 519 } 520 521 /* 522 * Shared add/edit code 523 */ 524 if ((arg = getarg(args, 'c')) != NULL) { 525 char *gecos = pw_checkname(arg->val, 1); 526 if (strcmp(pwd->pw_gecos, gecos) != 0) { 527 pwd->pw_gecos = gecos; 528 edited = 1; 529 } 530 } 531 532 if ((arg = getarg(args, 'h')) != NULL || 533 (arg = getarg(args, 'H')) != NULL) { 534 if (strcmp(arg->val, "-") == 0) { 535 if (!pwd->pw_passwd || *pwd->pw_passwd != '*') { 536 pwd->pw_passwd = "*"; /* No access */ 537 edited = 1; 538 } 539 } else { 540 int fd = atoi(arg->val); 541 int precrypt = (arg->ch == 'H'); 542 int b; 543 int istty = isatty(fd); 544 struct termios t; 545 login_cap_t *lc; 546 547 if (istty) { 548 if (tcgetattr(fd, &t) == -1) 549 istty = 0; 550 else { 551 struct termios n = t; 552 553 /* Disable echo */ 554 n.c_lflag &= ~(ECHO); 555 tcsetattr(fd, TCSANOW, &n); 556 printf("%s%spassword for user %s:", 557 (mode == M_UPDATE) ? "new " : "", 558 precrypt ? "encrypted " : "", 559 pwd->pw_name); 560 fflush(stdout); 561 } 562 } 563 b = read(fd, line, sizeof(line) - 1); 564 if (istty) { /* Restore state */ 565 tcsetattr(fd, TCSANOW, &t); 566 fputc('\n', stdout); 567 fflush(stdout); 568 } 569 if (b < 0) 570 err(EX_IOERR, "-%c file descriptor", 571 precrypt ? 'H' : 'h'); 572 line[b] = '\0'; 573 if ((p = strpbrk(line, "\r\n")) != NULL) 574 *p = '\0'; 575 if (!*line) 576 errx(EX_DATAERR, "empty password read on file descriptor %d", fd); 577 if (precrypt) { 578 if (strchr(line, ':') != NULL) 579 return EX_DATAERR; 580 pwd->pw_passwd = line; 581 } else { 582 lc = login_getpwclass(pwd); 583 if (lc == NULL || 584 login_setcryptfmt(lc, "sha512", NULL) == NULL) 585 warn("setting crypt(3) format"); 586 login_close(lc); 587 pwd->pw_passwd = pw_pwcrypt(line); 588 } 589 edited = 1; 590 } 591 } 592 593 /* 594 * Special case: -N only displays & exits 595 */ 596 if (conf.dryrun) 597 return print_user(pwd); 598 599 if (mode == M_ADD) { 600 edited = 1; /* Always */ 601 rc = addpwent(pwd); 602 if (rc == -1) 603 errx(EX_IOERR, "user '%s' already exists", 604 pwd->pw_name); 605 else if (rc != 0) 606 err(EX_IOERR, "passwd file update"); 607 if (cnf->nispasswd && *cnf->nispasswd=='/') { 608 rc = addnispwent(cnf->nispasswd, pwd); 609 if (rc == -1) 610 warnx("User '%s' already exists in NIS passwd", pwd->pw_name); 611 else 612 warn("NIS passwd update"); 613 /* NOTE: we treat NIS-only update errors as non-fatal */ 614 } 615 } else if (mode == M_UPDATE || mode == M_LOCK || mode == M_UNLOCK) { 616 if (edited) { /* Only updated this if required */ 617 rc = chgpwent(name, pwd); 618 if (rc == -1) 619 errx(EX_IOERR, "user '%s' does not exist (NIS?)", pwd->pw_name); 620 else if (rc != 0) 621 err(EX_IOERR, "passwd file update"); 622 if ( cnf->nispasswd && *cnf->nispasswd=='/') { 623 rc = chgnispwent(cnf->nispasswd, name, pwd); 624 if (rc == -1) 625 warn("User '%s' not found in NIS passwd", pwd->pw_name); 626 else 627 warn("NIS passwd update"); 628 /* NOTE: NIS-only update errors are not fatal */ 629 } 630 } 631 } 632 633 /* 634 * Ok, user is created or changed - now edit group file 635 */ 636 637 if (mode == M_ADD || getarg(args, 'G') != NULL) { 638 int i, j; 639 /* First remove the user from all group */ 640 SETGRENT(); 641 while ((grp = GETGRENT()) != NULL) { 642 char group[MAXLOGNAME]; 643 if (grp->gr_mem == NULL) 644 continue; 645 for (i = 0; grp->gr_mem[i] != NULL; i++) { 646 if (strcmp(grp->gr_mem[i] , pwd->pw_name) != 0) 647 continue; 648 for (j = i; grp->gr_mem[j] != NULL ; j++) 649 grp->gr_mem[j] = grp->gr_mem[j+1]; 650 strlcpy(group, grp->gr_name, MAXLOGNAME); 651 chggrent(group, grp); 652 } 653 } 654 ENDGRENT(); 655 656 /* now add to group where needed */ 657 for (i = 0; cnf->groups[i] != NULL; i++) { 658 grp = GETGRNAM(cnf->groups[i]); 659 grp = gr_add(grp, pwd->pw_name); 660 /* 661 * grp can only be NULL in 2 cases: 662 * - the new member is already a member 663 * - a problem with memory occurs 664 * in both cases we want to skip now. 665 */ 666 if (grp == NULL) 667 continue; 668 chggrent(cnf->groups[i], grp); 669 free(grp); 670 } 671 } 672 673 674 /* go get a current version of pwd */ 675 pwd = GETPWNAM(name); 676 if (pwd == NULL) { 677 /* This will fail when we rename, so special case that */ 678 if (mode == M_UPDATE && conf.newname != NULL) { 679 name = conf.newname; /* update new name */ 680 pwd = GETPWNAM(name); /* refetch renamed rec */ 681 } 682 } 683 if (pwd == NULL) /* can't go on without this */ 684 errx(EX_NOUSER, "user '%s' disappeared during update", name); 685 686 grp = GETGRGID(pwd->pw_gid); 687 pw_log(cnf, mode, W_USER, "%s(%u):%s(%u):%s:%s:%s", 688 pwd->pw_name, pwd->pw_uid, 689 grp ? grp->gr_name : "unknown", (grp ? grp->gr_gid : (uid_t)-1), 690 pwd->pw_gecos, pwd->pw_dir, pwd->pw_shell); 691 692 /* 693 * If adding, let's touch and chown the user's mail file. This is not 694 * strictly necessary under BSD with a 0755 maildir but it also 695 * doesn't hurt anything to create the empty mailfile 696 */ 697 if (mode == M_ADD) { 698 if (PWALTDIR() != PWF_ALT) { 699 arg = getarg(args, 'R'); 700 snprintf(path, sizeof(path), "%s%s/%s", 701 arg ? arg->val : "", _PATH_MAILDIR, pwd->pw_name); 702 close(open(path, O_RDWR | O_CREAT, 0600)); /* Preserve contents & 703 * mtime */ 704 chown(path, pwd->pw_uid, pwd->pw_gid); 705 } 706 } 707 708 /* 709 * Let's create and populate the user's home directory. Note 710 * that this also `works' for editing users if -m is used, but 711 * existing files will *not* be overwritten. 712 */ 713 if (PWALTDIR() != PWF_ALT && getarg(args, 'm') != NULL && pwd->pw_dir && 714 *pwd->pw_dir == '/' && pwd->pw_dir[1]) 715 create_and_populate_homedir(mode, pwd); 716 717 /* 718 * Finally, send mail to the new user as well, if we are asked to 719 */ 720 if (mode == M_ADD && !PWALTDIR() && cnf->newmail && *cnf->newmail && (fp = fopen(cnf->newmail, "r")) != NULL) { 721 FILE *pfp = popen(_PATH_SENDMAIL " -t", "w"); 722 723 if (pfp == NULL) 724 warn("sendmail"); 725 else { 726 fprintf(pfp, "From: root\n" "To: %s\n" "Subject: Welcome!\n\n", pwd->pw_name); 727 while (fgets(line, sizeof(line), fp) != NULL) { 728 /* Do substitutions? */ 729 fputs(line, pfp); 730 } 731 pclose(pfp); 732 pw_log(cnf, mode, W_USER, "%s(%u) new user mail sent", 733 pwd->pw_name, pwd->pw_uid); 734 } 735 fclose(fp); 736 } 737 738 return EXIT_SUCCESS; 739} 740 741 742static uid_t 743pw_uidpolicy(struct userconf * cnf, long id) 744{ 745 struct passwd *pwd; 746 uid_t uid = (uid_t) - 1; 747 748 /* 749 * Check the given uid, if any 750 */ 751 if (id >= 0) { 752 uid = (uid_t) id; 753 754 if ((pwd = GETPWUID(uid)) != NULL && conf.checkduplicate) 755 errx(EX_DATAERR, "uid `%u' has already been allocated", pwd->pw_uid); 756 } else { 757 struct bitmap bm; 758 759 /* 760 * We need to allocate the next available uid under one of 761 * two policies a) Grab the first unused uid b) Grab the 762 * highest possible unused uid 763 */ 764 if (cnf->min_uid >= cnf->max_uid) { /* Sanity 765 * claus^H^H^H^Hheck */ 766 cnf->min_uid = 1000; 767 cnf->max_uid = 32000; 768 } 769 bm = bm_alloc(cnf->max_uid - cnf->min_uid + 1); 770 771 /* 772 * Now, let's fill the bitmap from the password file 773 */ 774 SETPWENT(); 775 while ((pwd = GETPWENT()) != NULL) 776 if (pwd->pw_uid >= (uid_t) cnf->min_uid && pwd->pw_uid <= (uid_t) cnf->max_uid) 777 bm_setbit(&bm, pwd->pw_uid - cnf->min_uid); 778 ENDPWENT(); 779 780 /* 781 * Then apply the policy, with fallback to reuse if necessary 782 */ 783 if (cnf->reuse_uids || (uid = (uid_t) (bm_lastset(&bm) + cnf->min_uid + 1)) > cnf->max_uid) 784 uid = (uid_t) (bm_firstunset(&bm) + cnf->min_uid); 785 786 /* 787 * Another sanity check 788 */ 789 if (uid < cnf->min_uid || uid > cnf->max_uid) 790 errx(EX_SOFTWARE, "unable to allocate a new uid - range fully used"); 791 bm_dealloc(&bm); 792 } 793 return uid; 794} 795 796 797static uid_t 798pw_gidpolicy(struct cargs * args, char *nam, gid_t prefer) 799{ 800 struct group *grp; 801 gid_t gid = (uid_t) - 1; 802 struct carg *a_gid = getarg(args, 'g'); 803 struct userconf *cnf = conf.userconf; 804 805 /* 806 * If no arg given, see if default can help out 807 */ 808 if (a_gid == NULL && cnf->default_group && *cnf->default_group) 809 a_gid = addarg(args, 'g', cnf->default_group); 810 811 /* 812 * Check the given gid, if any 813 */ 814 SETGRENT(); 815 if (a_gid != NULL) { 816 if ((grp = GETGRNAM(a_gid->val)) == NULL) { 817 gid = (gid_t) atol(a_gid->val); 818 if ((gid == 0 && !isdigit((unsigned char)*a_gid->val)) || (grp = GETGRGID(gid)) == NULL) 819 errx(EX_NOUSER, "group `%s' is not defined", a_gid->val); 820 } 821 gid = grp->gr_gid; 822 } else if ((grp = GETGRNAM(nam)) != NULL && 823 (grp->gr_mem == NULL || grp->gr_mem[0] == NULL)) { 824 gid = grp->gr_gid; /* Already created? Use it anyway... */ 825 } else { 826 struct cargs grpargs; 827 gid_t grid = -1; 828 829 LIST_INIT(&grpargs); 830 831 /* 832 * We need to auto-create a group with the user's name. We 833 * can send all the appropriate output to our sister routine 834 * bit first see if we can create a group with gid==uid so we 835 * can keep the user and group ids in sync. We purposely do 836 * NOT check the gid range if we can force the sync. If the 837 * user's name dups an existing group, then the group add 838 * function will happily handle that case for us and exit. 839 */ 840 if (GETGRGID(prefer) == NULL) 841 grid = prefer; 842 if (conf.dryrun) { 843 addarg(&grpargs, 'q', NULL); 844 gid = pw_group(M_NEXT, nam, -1, &grpargs); 845 } 846 else 847 { 848 pw_group(M_ADD, nam, grid, &grpargs); 849 if ((grp = GETGRNAM(nam)) != NULL) 850 gid = grp->gr_gid; 851 } 852 } 853 ENDGRENT(); 854 return gid; 855} 856 857 858static time_t 859pw_pwdpolicy(struct userconf * cnf, struct cargs * args) 860{ 861 time_t result = 0; 862 time_t now = time(NULL); 863 struct carg *arg = getarg(args, 'p'); 864 865 if (arg != NULL) { 866 if ((result = parse_date(now, arg->val)) == now) 867 errx(EX_DATAERR, "invalid date/time `%s'", arg->val); 868 } else if (cnf->password_days > 0) 869 result = now + ((long) cnf->password_days * 86400L); 870 return result; 871} 872 873 874static time_t 875pw_exppolicy(struct userconf * cnf, struct cargs * args) 876{ 877 time_t result = 0; 878 time_t now = time(NULL); 879 struct carg *arg = getarg(args, 'e'); 880 881 if (arg != NULL) { 882 if ((result = parse_date(now, arg->val)) == now) 883 errx(EX_DATAERR, "invalid date/time `%s'", arg->val); 884 } else if (cnf->expire_days > 0) 885 result = now + ((long) cnf->expire_days * 86400L); 886 return result; 887} 888 889 890static char * 891pw_homepolicy(struct userconf * cnf, struct cargs * args, char const * user) 892{ 893 struct carg *arg = getarg(args, 'd'); 894 static char home[128]; 895 896 if (arg) 897 return (arg->val); 898 899 if (cnf->home == NULL || *cnf->home == '\0') 900 errx(EX_CONFIG, "no base home directory set"); 901 snprintf(home, sizeof(home), "%s/%s", cnf->home, user); 902 903 return (home); 904} 905 906static char * 907shell_path(char const * path, char *shells[], char *sh) 908{ 909 if (sh != NULL && (*sh == '/' || *sh == '\0')) 910 return sh; /* specified full path or forced none */ 911 else { 912 char *p; 913 char paths[_UC_MAXLINE]; 914 915 /* 916 * We need to search paths 917 */ 918 strlcpy(paths, path, sizeof(paths)); 919 for (p = strtok(paths, ": \t\r\n"); p != NULL; p = strtok(NULL, ": \t\r\n")) { 920 int i; 921 static char shellpath[256]; 922 923 if (sh != NULL) { 924 snprintf(shellpath, sizeof(shellpath), "%s/%s", p, sh); 925 if (access(shellpath, X_OK) == 0) 926 return shellpath; 927 } else 928 for (i = 0; i < _UC_MAXSHELLS && shells[i] != NULL; i++) { 929 snprintf(shellpath, sizeof(shellpath), "%s/%s", p, shells[i]); 930 if (access(shellpath, X_OK) == 0) 931 return shellpath; 932 } 933 } 934 if (sh == NULL) 935 errx(EX_OSFILE, "can't find shell `%s' in shell paths", sh); 936 errx(EX_CONFIG, "no default shell available or defined"); 937 return NULL; 938 } 939} 940 941 942static char * 943pw_shellpolicy(struct userconf * cnf, struct cargs * args, char *newshell) 944{ 945 char *sh = newshell; 946 struct carg *arg = getarg(args, 's'); 947 948 if (newshell == NULL && arg != NULL) 949 sh = arg->val; 950 return shell_path(cnf->shelldir, cnf->shells, sh ? sh : cnf->shell_default); 951} 952 953#define SALTSIZE 32 954 955static char const chars[] = "0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ./"; 956 957char * 958pw_pwcrypt(char *password) 959{ 960 int i; 961 char salt[SALTSIZE + 1]; 962 char *cryptpw; 963 964 static char buf[256]; 965 966 /* 967 * Calculate a salt value 968 */ 969 for (i = 0; i < SALTSIZE; i++) 970 salt[i] = chars[arc4random_uniform(sizeof(chars) - 1)]; 971 salt[SALTSIZE] = '\0'; 972 973 cryptpw = crypt(password, salt); 974 if (cryptpw == NULL) 975 errx(EX_CONFIG, "crypt(3) failure"); 976 return strcpy(buf, cryptpw); 977} 978 979 980static char * 981pw_password(struct userconf * cnf, struct cargs * args, char const * user) 982{ 983 int i, l; 984 char pwbuf[32]; 985 986 switch (cnf->default_password) { 987 case -1: /* Random password */ 988 l = (arc4random() % 8 + 8); /* 8 - 16 chars */ 989 for (i = 0; i < l; i++) 990 pwbuf[i] = chars[arc4random_uniform(sizeof(chars)-1)]; 991 pwbuf[i] = '\0'; 992 993 /* 994 * We give this information back to the user 995 */ 996 if (getarg(args, 'h') == NULL && getarg(args, 'H') == NULL && 997 !conf.dryrun) { 998 if (isatty(STDOUT_FILENO)) 999 printf("Password for '%s' is: ", user); 1000 printf("%s\n", pwbuf); 1001 fflush(stdout); 1002 } 1003 break; 1004 1005 case -2: /* No password at all! */ 1006 return ""; 1007 1008 case 0: /* No login - default */ 1009 default: 1010 return "*"; 1011 1012 case 1: /* user's name */ 1013 strlcpy(pwbuf, user, sizeof(pwbuf)); 1014 break; 1015 } 1016 return pw_pwcrypt(pwbuf); 1017} 1018 1019static int 1020delete_user(struct userconf *cnf, struct passwd *pwd, char *name, 1021 int delete, int mode) 1022{ 1023 char file[MAXPATHLEN]; 1024 char home[MAXPATHLEN]; 1025 uid_t uid = pwd->pw_uid; 1026 struct group *gr, *grp; 1027 char grname[LOGNAMESIZE]; 1028 int rc; 1029 struct stat st; 1030 1031 if (strcmp(pwd->pw_name, "root") == 0) 1032 errx(EX_DATAERR, "cannot remove user 'root'"); 1033 1034 if (!PWALTDIR()) { 1035 /* 1036 * Remove opie record from /etc/opiekeys 1037 */ 1038 1039 rmopie(pwd->pw_name); 1040 1041 /* 1042 * Remove crontabs 1043 */ 1044 snprintf(file, sizeof(file), "/var/cron/tabs/%s", pwd->pw_name); 1045 if (access(file, F_OK) == 0) { 1046 snprintf(file, sizeof(file), "crontab -u %s -r", pwd->pw_name); 1047 system(file); 1048 } 1049 } 1050 /* 1051 * Save these for later, since contents of pwd may be 1052 * invalidated by deletion 1053 */ 1054 snprintf(file, sizeof(file), "%s/%s", _PATH_MAILDIR, pwd->pw_name); 1055 strlcpy(home, pwd->pw_dir, sizeof(home)); 1056 gr = GETGRGID(pwd->pw_gid); 1057 if (gr != NULL) 1058 strlcpy(grname, gr->gr_name, LOGNAMESIZE); 1059 else 1060 grname[0] = '\0'; 1061 1062 rc = delpwent(pwd); 1063 if (rc == -1) 1064 err(EX_IOERR, "user '%s' does not exist", pwd->pw_name); 1065 else if (rc != 0) 1066 err(EX_IOERR, "passwd update"); 1067 1068 if (cnf->nispasswd && *cnf->nispasswd=='/') { 1069 rc = delnispwent(cnf->nispasswd, name); 1070 if (rc == -1) 1071 warnx("WARNING: user '%s' does not exist in NIS passwd", pwd->pw_name); 1072 else if (rc != 0) 1073 warn("WARNING: NIS passwd update"); 1074 /* non-fatal */ 1075 } 1076 1077 grp = GETGRNAM(name); 1078 if (grp != NULL && 1079 (grp->gr_mem == NULL || *grp->gr_mem == NULL) && 1080 strcmp(name, grname) == 0) 1081 delgrent(GETGRNAM(name)); 1082 SETGRENT(); 1083 while ((grp = GETGRENT()) != NULL) { 1084 int i, j; 1085 char group[MAXLOGNAME]; 1086 if (grp->gr_mem == NULL) 1087 continue; 1088 1089 for (i = 0; grp->gr_mem[i] != NULL; i++) { 1090 if (strcmp(grp->gr_mem[i], name) != 0) 1091 continue; 1092 1093 for (j = i; grp->gr_mem[j] != NULL; j++) 1094 grp->gr_mem[j] = grp->gr_mem[j+1]; 1095 strlcpy(group, grp->gr_name, MAXLOGNAME); 1096 chggrent(group, grp); 1097 } 1098 } 1099 ENDGRENT(); 1100 1101 pw_log(cnf, mode, W_USER, "%s(%u) account removed", name, uid); 1102 1103 if (!PWALTDIR()) { 1104 /* 1105 * Remove mail file 1106 */ 1107 remove(file); 1108 1109 /* 1110 * Remove at jobs 1111 */ 1112 if (getpwuid(uid) == NULL) 1113 rmat(uid); 1114 1115 /* 1116 * Remove home directory and contents 1117 */ 1118 if (delete && *home == '/' && getpwuid(uid) == NULL && 1119 stat(home, &st) != -1) { 1120 rm_r(home, uid); 1121 pw_log(cnf, mode, W_USER, "%s(%u) home '%s' %sremoved", 1122 name, uid, home, 1123 stat(home, &st) == -1 ? "" : "not completely "); 1124 } 1125 } 1126 1127 return (EXIT_SUCCESS); 1128} 1129 1130static int 1131print_user(struct passwd * pwd) 1132{ 1133 if (!conf.pretty) { 1134 char *buf; 1135 1136 buf = conf.v7 ? pw_make_v7(pwd) : pw_make(pwd); 1137 printf("%s\n", buf); 1138 free(buf); 1139 } else { 1140 int j; 1141 char *p; 1142 struct group *grp = GETGRGID(pwd->pw_gid); 1143 char uname[60] = "User &", office[60] = "[None]", 1144 wphone[60] = "[None]", hphone[60] = "[None]"; 1145 char acexpire[32] = "[None]", pwexpire[32] = "[None]"; 1146 struct tm * tptr; 1147 1148 if ((p = strtok(pwd->pw_gecos, ",")) != NULL) { 1149 strlcpy(uname, p, sizeof(uname)); 1150 if ((p = strtok(NULL, ",")) != NULL) { 1151 strlcpy(office, p, sizeof(office)); 1152 if ((p = strtok(NULL, ",")) != NULL) { 1153 strlcpy(wphone, p, sizeof(wphone)); 1154 if ((p = strtok(NULL, "")) != NULL) { 1155 strlcpy(hphone, p, 1156 sizeof(hphone)); 1157 } 1158 } 1159 } 1160 } 1161 /* 1162 * Handle '&' in gecos field 1163 */ 1164 if ((p = strchr(uname, '&')) != NULL) { 1165 int l = strlen(pwd->pw_name); 1166 int m = strlen(p); 1167 1168 memmove(p + l, p + 1, m); 1169 memmove(p, pwd->pw_name, l); 1170 *p = (char) toupper((unsigned char)*p); 1171 } 1172 if (pwd->pw_expire > (time_t)0 && (tptr = localtime(&pwd->pw_expire)) != NULL) 1173 strftime(acexpire, sizeof acexpire, "%c", tptr); 1174 if (pwd->pw_change > (time_t)0 && (tptr = localtime(&pwd->pw_change)) != NULL) 1175 strftime(pwexpire, sizeof pwexpire, "%c", tptr); 1176 printf("Login Name: %-15s #%-12u Group: %-15s #%u\n" 1177 " Full Name: %s\n" 1178 " Home: %-26.26s Class: %s\n" 1179 " Shell: %-26.26s Office: %s\n" 1180 "Work Phone: %-26.26s Home Phone: %s\n" 1181 "Acc Expire: %-26.26s Pwd Expire: %s\n", 1182 pwd->pw_name, pwd->pw_uid, 1183 grp ? grp->gr_name : "(invalid)", pwd->pw_gid, 1184 uname, pwd->pw_dir, pwd->pw_class, 1185 pwd->pw_shell, office, wphone, hphone, 1186 acexpire, pwexpire); 1187 SETGRENT(); 1188 j = 0; 1189 while ((grp=GETGRENT()) != NULL) 1190 { 1191 int i = 0; 1192 if (grp->gr_mem != NULL) { 1193 while (grp->gr_mem[i] != NULL) 1194 { 1195 if (strcmp(grp->gr_mem[i], pwd->pw_name)==0) 1196 { 1197 printf(j++ == 0 ? " Groups: %s" : ",%s", grp->gr_name); 1198 break; 1199 } 1200 ++i; 1201 } 1202 } 1203 } 1204 ENDGRENT(); 1205 printf("%s", j ? "\n" : ""); 1206 } 1207 return EXIT_SUCCESS; 1208} 1209 1210char * 1211pw_checkname(char *name, int gecos) 1212{ 1213 char showch[8]; 1214 const char *badchars, *ch, *showtype; 1215 int reject; 1216 1217 ch = name; 1218 reject = 0; 1219 if (gecos) { 1220 /* See if the name is valid as a gecos (comment) field. */ 1221 badchars = ":!@"; 1222 showtype = "gecos field"; 1223 } else { 1224 /* See if the name is valid as a userid or group. */ 1225 badchars = " ,\t:+&#%$^()!@~*?<>=|\\/\""; 1226 showtype = "userid/group name"; 1227 /* Userids and groups can not have a leading '-'. */ 1228 if (*ch == '-') 1229 reject = 1; 1230 } 1231 if (!reject) { 1232 while (*ch) { 1233 if (strchr(badchars, *ch) != NULL || *ch < ' ' || 1234 *ch == 127) { 1235 reject = 1; 1236 break; 1237 } 1238 /* 8-bit characters are only allowed in GECOS fields */ 1239 if (!gecos && (*ch & 0x80)) { 1240 reject = 1; 1241 break; 1242 } 1243 ch++; 1244 } 1245 } 1246 /* 1247 * A `$' is allowed as the final character for userids and groups, 1248 * mainly for the benefit of samba. 1249 */ 1250 if (reject && !gecos) { 1251 if (*ch == '$' && *(ch + 1) == '\0') { 1252 reject = 0; 1253 ch++; 1254 } 1255 } 1256 if (reject) { 1257 snprintf(showch, sizeof(showch), (*ch >= ' ' && *ch < 127) 1258 ? "`%c'" : "0x%02x", *ch); 1259 errx(EX_DATAERR, "invalid character %s at position %td in %s", 1260 showch, (ch - name), showtype); 1261 } 1262 if (!gecos && (ch - name) > LOGNAMESIZE) 1263 errx(EX_DATAERR, "name too long `%s' (max is %d)", name, 1264 LOGNAMESIZE); 1265 1266 return (name); 1267} 1268 1269 1270static void 1271rmat(uid_t uid) 1272{ 1273 DIR *d = opendir("/var/at/jobs"); 1274 1275 if (d != NULL) { 1276 struct dirent *e; 1277 1278 while ((e = readdir(d)) != NULL) { 1279 struct stat st; 1280 1281 if (strncmp(e->d_name, ".lock", 5) != 0 && 1282 stat(e->d_name, &st) == 0 && 1283 !S_ISDIR(st.st_mode) && 1284 st.st_uid == uid) { 1285 char tmp[MAXPATHLEN]; 1286 1287 snprintf(tmp, sizeof(tmp), "/usr/bin/atrm %s", e->d_name); 1288 system(tmp); 1289 } 1290 } 1291 closedir(d); 1292 } 1293} 1294 1295static void 1296rmopie(char const * name) 1297{ 1298 static const char etcopie[] = "/etc/opiekeys"; 1299 FILE *fp = fopen(etcopie, "r+"); 1300 1301 if (fp != NULL) { 1302 char tmp[1024]; 1303 off_t atofs = 0; 1304 int length = strlen(name); 1305 1306 while (fgets(tmp, sizeof tmp, fp) != NULL) { 1307 if (strncmp(name, tmp, length) == 0 && tmp[length]==' ') { 1308 if (fseek(fp, atofs, SEEK_SET) == 0) { 1309 fwrite("#", 1, 1, fp); /* Comment username out */ 1310 } 1311 break; 1312 } 1313 atofs = ftell(fp); 1314 } 1315 /* 1316 * If we got an error of any sort, don't update! 1317 */ 1318 fclose(fp); 1319 } 1320} 1321 1322