pw_user.c revision 20302
120253Sjoerg/*- 220302Sjoerg * Copyright (C) 1996 320302Sjoerg * David L. Nugent. All rights reserved. 420253Sjoerg * 520253Sjoerg * Redistribution and use in source and binary forms, with or without 620253Sjoerg * modification, are permitted provided that the following conditions 720253Sjoerg * are met: 820253Sjoerg * 1. Redistributions of source code must retain the above copyright 920302Sjoerg * notice, this list of conditions and the following disclaimer. 1020253Sjoerg * 2. Redistributions in binary form must reproduce the above copyright 1120253Sjoerg * notice, this list of conditions and the following disclaimer in the 1220253Sjoerg * documentation and/or other materials provided with the distribution. 1320253Sjoerg * 1420302Sjoerg * THIS SOFTWARE IS PROVIDED BY DAVID L. NUGENT AND CONTRIBUTORS ``AS IS'' AND 1520253Sjoerg * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 1620253Sjoerg * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 1720302Sjoerg * ARE DISCLAIMED. IN NO EVENT SHALL DAVID L. NUGENT OR CONTRIBUTORS BE LIABLE 1820253Sjoerg * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 1920253Sjoerg * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 2020253Sjoerg * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 2120253Sjoerg * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 2220253Sjoerg * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 2320253Sjoerg * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 2420253Sjoerg * SUCH DAMAGE. 2520253Sjoerg * 2620302Sjoerg * $Id: pw_user.c,v 1.1.1.2 1996/12/09 23:55:10 joerg Exp $ 2720253Sjoerg */ 2820253Sjoerg 2920253Sjoerg#include <unistd.h> 3020253Sjoerg#include <fcntl.h> 3120253Sjoerg#include <ctype.h> 3220253Sjoerg#include <paths.h> 3320253Sjoerg#include <sys/param.h> 3420253Sjoerg#include <dirent.h> 3520253Sjoerg#include <termios.h> 3620253Sjoerg#include "pw.h" 3720253Sjoerg#include "bitmap.h" 3820253Sjoerg#include "pwupd.h" 3920253Sjoerg 4020253Sjoergstatic int print_user(struct passwd * pwd, int pretty); 4120253Sjoergstatic uid_t pw_uidpolicy(struct userconf * cnf, struct cargs * args); 4220253Sjoergstatic uid_t pw_gidpolicy(struct userconf * cnf, struct cargs * args, char *nam, gid_t prefer); 4320253Sjoergstatic time_t pw_pwdpolicy(struct userconf * cnf, struct cargs * args); 4420253Sjoergstatic time_t pw_exppolicy(struct userconf * cnf, struct cargs * args); 4520253Sjoergstatic char *pw_homepolicy(struct userconf * cnf, struct cargs * args, char const * user); 4620253Sjoergstatic char *pw_shellpolicy(struct userconf * cnf, struct cargs * args, char *newshell); 4720253Sjoergstatic char *pw_password(struct userconf * cnf, struct cargs * args, char const * user); 4820253Sjoergstatic char *pw_checkname(char *name, int gecos); 4920253Sjoergstatic char *shell_path(char const * path, char *shells[], char *sh); 5020253Sjoergstatic void rmat(uid_t uid); 5120253Sjoerg 5220253Sjoerg/*- 5320253Sjoerg * -C config configuration file 5420253Sjoerg * -q quiet operation 5520253Sjoerg * -n name login name 5620253Sjoerg * -u uid user id 5720253Sjoerg * -c comment user name/comment 5820253Sjoerg * -d directory home directory 5920253Sjoerg * -e date account expiry date 6020253Sjoerg * -p date password expiry date 6120253Sjoerg * -g grp primary group 6220253Sjoerg * -G grp1,grp2 additional groups 6320253Sjoerg * -m [ -k dir ] create and set up home 6420253Sjoerg * -s shell name of login shell 6520253Sjoerg * -o duplicate uid ok 6620253Sjoerg * -L class user class 6720253Sjoerg * -l name new login name 6820253Sjoerg * -h fd password filehandle 6920253Sjoerg * -F force print or add 7020253Sjoerg * Setting defaults: 7120253Sjoerg * -D set user defaults 7220253Sjoerg * -b dir default home root dir 7320253Sjoerg * -e period default expiry period 7420253Sjoerg * -p period default password change period 7520253Sjoerg * -g group default group 7620253Sjoerg * -G grp1,grp2.. default additional groups 7720253Sjoerg * -L class default login class 7820253Sjoerg * -k dir default home skeleton 7920253Sjoerg * -s shell default shell 8020253Sjoerg * -w method default password method 8120253Sjoerg */ 8220253Sjoerg 8320253Sjoergint 8420253Sjoergpw_user(struct userconf * cnf, int mode, struct cargs * args) 8520253Sjoerg{ 8620253Sjoerg char *p = NULL; 8720253Sjoerg struct carg *a_name; 8820253Sjoerg struct carg *a_uid; 8920253Sjoerg struct carg *arg; 9020253Sjoerg struct passwd *pwd = NULL; 9120253Sjoerg struct group *grp; 9220253Sjoerg struct stat st; 9320253Sjoerg char line[MAXPWLINE]; 9420253Sjoerg 9520253Sjoerg static struct passwd fakeuser = 9620253Sjoerg { 9720253Sjoerg NULL, 9820253Sjoerg "*", 9920253Sjoerg -1, 10020253Sjoerg -1, 10120253Sjoerg 0, 10220253Sjoerg "", 10320253Sjoerg "User &", 10420253Sjoerg "/bin/sh", 10520253Sjoerg 0, 10620253Sjoerg 0 10720253Sjoerg }; 10820253Sjoerg 10920253Sjoerg /* 11020267Sjoerg * With M_NEXT, we only need to return the 11120267Sjoerg * next uid to stdout 11220267Sjoerg */ 11320267Sjoerg if (mode == M_NEXT) 11420267Sjoerg { 11520267Sjoerg uid_t next = pw_uidpolicy(cnf, args); 11620267Sjoerg if (getarg(args, 'q')) 11720267Sjoerg return next; 11820267Sjoerg printf("%ld:", (long)next); 11920267Sjoerg pw_group(cnf, mode, args); 12020267Sjoerg return EXIT_SUCCESS; 12120267Sjoerg } 12220267Sjoerg 12320267Sjoerg /* 12420253Sjoerg * We can do all of the common legwork here 12520253Sjoerg */ 12620253Sjoerg 12720253Sjoerg if ((arg = getarg(args, 'b')) != NULL) { 12820267Sjoerg cnf->home = arg->val; 12920267Sjoerg if (stat(cnf->home, &st) == -1 || !S_ISDIR(st.st_mode)) 13020267Sjoerg cmderr(EX_OSFILE, "root home `%s' is not a directory or does not exist\n", cnf->home); 13120253Sjoerg } 13220253Sjoerg if ((arg = getarg(args, 'e')) != NULL) 13320253Sjoerg cnf->expire_days = atoi(arg->val); 13420253Sjoerg 13520253Sjoerg if ((arg = getarg(args, 'p')) != NULL && arg->val) 13620253Sjoerg cnf->password_days = atoi(arg->val); 13720253Sjoerg 13820253Sjoerg if ((arg = getarg(args, 'g')) != NULL) { 13920253Sjoerg p = arg->val; 14020253Sjoerg if ((grp = getgrnam(p)) == NULL) { 14120253Sjoerg if (!isdigit(*p) || (grp = getgrgid((gid_t) atoi(p))) == NULL) 14220267Sjoerg cmderr(EX_NOUSER, "group `%s' does not exist\n", p); 14320253Sjoerg } 14420253Sjoerg cnf->default_group = newstr(grp->gr_name); 14520253Sjoerg } 14620253Sjoerg if ((arg = getarg(args, 'L')) != NULL) 14720253Sjoerg cnf->default_class = pw_checkname(arg->val, 0); 14820253Sjoerg 14920253Sjoerg if ((arg = getarg(args, 'G')) != NULL && arg->val) { 15020253Sjoerg int i = 0; 15120253Sjoerg 15220253Sjoerg for (p = strtok(arg->val, ", \t"); i < _UC_MAXGROUPS && p != NULL; p = strtok(NULL, ", \t")) { 15320253Sjoerg if ((grp = getgrnam(p)) == NULL) { 15420253Sjoerg if (!isdigit(*p) || (grp = getgrgid((gid_t) atoi(p))) == NULL) 15520267Sjoerg cmderr(EX_NOUSER, "group `%s' does not exist\n", p); 15620253Sjoerg } 15720253Sjoerg cnf->groups[i++] = newstr(grp->gr_name); 15820253Sjoerg } 15920253Sjoerg while (i < _UC_MAXGROUPS) 16020253Sjoerg cnf->groups[i++] = NULL; 16120253Sjoerg } 16220253Sjoerg if ((arg = getarg(args, 'k')) != NULL) { 16320253Sjoerg if (stat(cnf->dotdir = arg->val, &st) == -1 || S_ISDIR(st.st_mode)) 16420267Sjoerg cmderr(EX_OSFILE, "skeleton `%s' is not a directory or does not exist\n", cnf->dotdir); 16520253Sjoerg } 16620253Sjoerg if ((arg = getarg(args, 's')) != NULL) 16720253Sjoerg cnf->shell_default = arg->val; 16820253Sjoerg 16920253Sjoerg if (mode == M_ADD && getarg(args, 'D')) { 17020253Sjoerg if (getarg(args, 'n') != NULL) 17120267Sjoerg cmderr(EX_DATAERR, "can't combine `-D' with `-n name'\n"); 17220253Sjoerg if ((arg = getarg(args, 'u')) != NULL && (p = strtok(arg->val, ", \t")) != NULL) { 17320253Sjoerg if ((cnf->min_uid = (uid_t) atoi(p)) == 0) 17420253Sjoerg cnf->min_uid = 1000; 17520253Sjoerg if ((p = strtok(NULL, " ,\t")) == NULL || (cnf->max_uid = (uid_t) atoi(p)) < cnf->min_uid) 17620253Sjoerg cnf->max_uid = 32000; 17720253Sjoerg } 17820253Sjoerg if ((arg = getarg(args, 'i')) != NULL && (p = strtok(arg->val, ", \t")) != NULL) { 17920253Sjoerg if ((cnf->min_gid = (gid_t) atoi(p)) == 0) 18020253Sjoerg cnf->min_gid = 1000; 18120253Sjoerg if ((p = strtok(NULL, " ,\t")) == NULL || (cnf->max_gid = (gid_t) atoi(p)) < cnf->min_gid) 18220253Sjoerg cnf->max_gid = 32000; 18320253Sjoerg } 18420253Sjoerg if ((arg = getarg(args, 'w')) != NULL) 18520253Sjoerg cnf->default_password = boolean_val(arg->val, cnf->default_password); 18620253Sjoerg 18720253Sjoerg arg = getarg(args, 'C'); 18820253Sjoerg if (write_userconfig(arg ? arg->val : NULL)) 18920267Sjoerg return EXIT_SUCCESS; 19020253Sjoerg perror("config update"); 19120267Sjoerg return EX_IOERR; 19220253Sjoerg } 19320253Sjoerg if (mode == M_PRINT && getarg(args, 'a')) { 19420267Sjoerg int pretty = getarg(args, 'P') != NULL; 19520253Sjoerg 19620253Sjoerg setpwent(); 19720253Sjoerg while ((pwd = getpwent()) != NULL) 19820253Sjoerg print_user(pwd, pretty); 19920253Sjoerg endpwent(); 20020267Sjoerg return EXIT_SUCCESS; 20120253Sjoerg } 20220253Sjoerg if ((a_name = getarg(args, 'n')) != NULL) 20320253Sjoerg pwd = getpwnam(pw_checkname(a_name->val, 0)); 20420253Sjoerg a_uid = getarg(args, 'u'); 20520253Sjoerg 20620253Sjoerg if (a_uid == NULL) { 20720253Sjoerg if (a_name == NULL) 20820267Sjoerg cmderr(EX_DATAERR, "user name or id required\n"); 20920253Sjoerg 21020253Sjoerg /* 21120253Sjoerg * Determine whether 'n' switch is name or uid - we don't 21220253Sjoerg * really don't really care which we have, but we need to 21320253Sjoerg * know. 21420253Sjoerg */ 21520253Sjoerg if (mode != M_ADD && pwd == NULL && isdigit(*a_name->val) && atoi(a_name->val) > 0) { /* Assume uid */ 21620253Sjoerg (a_uid = a_name)->ch = 'u'; 21720253Sjoerg a_name = NULL; 21820253Sjoerg } 21920253Sjoerg } 22020253Sjoerg /* 22120253Sjoerg * Update, delete & print require that the user exists 22220253Sjoerg */ 22320253Sjoerg if (mode == M_UPDATE || mode == M_DELETE || mode == M_PRINT) { 22420253Sjoerg if (a_name == NULL && pwd == NULL) /* Try harder */ 22520253Sjoerg pwd = getpwuid(atoi(a_uid->val)); 22620253Sjoerg 22720253Sjoerg if (pwd == NULL) { 22820253Sjoerg if (mode == M_PRINT && getarg(args, 'F')) { 22920253Sjoerg fakeuser.pw_name = a_name ? a_name->val : "nouser"; 23020253Sjoerg fakeuser.pw_uid = a_uid ? (uid_t) atol(a_uid->val) : -1; 23120267Sjoerg return print_user(&fakeuser, getarg(args, 'P') != NULL); 23220253Sjoerg } 23320253Sjoerg if (a_name == NULL) 23420267Sjoerg cmderr(EX_NOUSER, "no such uid `%s'\n", a_uid->val); 23520267Sjoerg cmderr(EX_NOUSER, "no such user `%s'\n", a_name->val); 23620253Sjoerg } 23720253Sjoerg if (a_name == NULL) /* May be needed later */ 23820253Sjoerg a_name = addarg(args, 'n', newstr(pwd->pw_name)); 23920253Sjoerg 24020253Sjoerg /* 24120253Sjoerg * Handle deletions now 24220253Sjoerg */ 24320253Sjoerg if (mode == M_DELETE) { 24420253Sjoerg char file[MAXPATHLEN]; 24520253Sjoerg char home[MAXPATHLEN]; 24620253Sjoerg uid_t uid = pwd->pw_uid; 24720253Sjoerg 24820253Sjoerg if (strcmp(pwd->pw_name, "root") == 0) 24920267Sjoerg cmderr(EX_DATAERR, "cannot remove user 'root'\n"); 25020253Sjoerg 25120253Sjoerg /* 25220253Sjoerg * Remove crontabs 25320253Sjoerg */ 25420253Sjoerg sprintf(file, "/var/cron/tabs/%s", pwd->pw_name); 25520253Sjoerg if (access(file, F_OK) == 0) { 25620253Sjoerg sprintf(file, "crontab -u %s -r", pwd->pw_name); 25720253Sjoerg system(file); 25820253Sjoerg } 25920253Sjoerg /* 26020253Sjoerg * Save these for later, since contents of pwd may be 26120253Sjoerg * invalidated by deletion 26220253Sjoerg */ 26320253Sjoerg sprintf(file, "%s/%s", _PATH_MAILDIR, pwd->pw_name); 26420253Sjoerg strncpy(home, pwd->pw_dir, sizeof home); 26520253Sjoerg home[sizeof home - 1] = '\0'; 26620253Sjoerg 26720253Sjoerg if (!delpwent(pwd)) 26820267Sjoerg cmderr(EX_IOERR, "Error updating passwd file: %s\n", strerror(errno)); 26920253Sjoerg editgroups(a_name->val, NULL); 27020253Sjoerg 27120253Sjoerg pw_log(cnf, mode, W_USER, "%s(%ld) account removed", a_name->val, (long) uid); 27220253Sjoerg 27320253Sjoerg /* 27420253Sjoerg * Remove mail file 27520253Sjoerg */ 27620253Sjoerg remove(file); 27720253Sjoerg 27820253Sjoerg /* 27920253Sjoerg * Remove at jobs 28020253Sjoerg */ 28120253Sjoerg if (getpwuid(uid) == NULL) 28220253Sjoerg rmat(uid); 28320253Sjoerg 28420253Sjoerg /* 28520253Sjoerg * Remove home directory and contents 28620253Sjoerg */ 28720253Sjoerg if (getarg(args, 'r') != NULL && *home == '/' && getpwuid(uid) == NULL) { 28820253Sjoerg if (stat(home, &st) != -1) { 28920253Sjoerg rm_r(home, uid); 29020253Sjoerg pw_log(cnf, mode, W_USER, "%s(%ld) home '%s' %sremoved", 29120253Sjoerg a_name->val, (long) uid, home, 29220253Sjoerg stat(home, &st) == -1 ? "" : "not completely "); 29320253Sjoerg } 29420253Sjoerg } 29520267Sjoerg return EXIT_SUCCESS; 29620253Sjoerg } else if (mode == M_PRINT) 29720267Sjoerg return print_user(pwd, getarg(args, 'P') != NULL); 29820253Sjoerg 29920253Sjoerg /* 30020253Sjoerg * The rest is edit code 30120253Sjoerg */ 30220253Sjoerg if ((arg = getarg(args, 'l')) != NULL) { 30320253Sjoerg if (strcmp(pwd->pw_name, "root") == 0) 30420267Sjoerg cmderr(EX_DATAERR, "can't rename `root' account\n"); 30520253Sjoerg pwd->pw_name = pw_checkname(arg->val, 0); 30620253Sjoerg } 30720253Sjoerg if ((arg = getarg(args, 'u')) != NULL && isdigit(*arg->val)) { 30820253Sjoerg pwd->pw_uid = (uid_t) atol(arg->val); 30920253Sjoerg if (pwd->pw_uid != 0 && strcmp(pwd->pw_name, "root") == 0) 31020267Sjoerg cmderr(EX_DATAERR, "can't change uid of `root' account\n"); 31120253Sjoerg if (pwd->pw_uid == 0 && strcmp(pwd->pw_name, "root") != 0) 31220253Sjoerg fprintf(stderr, "WARNING: account `%s' will have a uid of 0 (superuser access!)\n", pwd->pw_name); 31320253Sjoerg } 31420253Sjoerg if ((arg = getarg(args, 'g')) != NULL && pwd->pw_uid != 0) /* Already checked this */ 31520253Sjoerg pwd->pw_gid = (gid_t) getgrnam(cnf->default_group)->gr_gid; 31620253Sjoerg 31720253Sjoerg if ((arg = getarg(args, 'p')) != NULL) { 31820253Sjoerg if (*arg->val == '\0' || strcmp(arg->val, "0") == 0) 31920253Sjoerg pwd->pw_change = 0; 32020253Sjoerg else { 32120253Sjoerg time_t now = time(NULL); 32220253Sjoerg time_t expire = parse_date(now, arg->val); 32320253Sjoerg 32420253Sjoerg if (now == expire) 32520267Sjoerg cmderr(EX_DATAERR, "Invalid password change date `%s'\n", arg->val); 32620253Sjoerg pwd->pw_change = expire; 32720253Sjoerg } 32820253Sjoerg } 32920267Sjoerg if ((arg = getarg(args, 'e')) != NULL) { 33020253Sjoerg if (*arg->val == '\0' || strcmp(arg->val, "0") == 0) 33120253Sjoerg pwd->pw_expire = 0; 33220253Sjoerg else { 33320253Sjoerg time_t now = time(NULL); 33420253Sjoerg time_t expire = parse_date(now, arg->val); 33520253Sjoerg 33620253Sjoerg if (now == expire) 33720267Sjoerg cmderr(EX_DATAERR, "Invalid account expiry date `%s'\n", arg->val); 33820253Sjoerg pwd->pw_expire = expire; 33920253Sjoerg } 34020253Sjoerg } 34120253Sjoerg if ((arg = getarg(args, 's')) != NULL) 34220253Sjoerg pwd->pw_shell = shell_path(cnf->shelldir, cnf->shells, arg->val); 34320253Sjoerg 34420253Sjoerg if (getarg(args, 'L')) 34520253Sjoerg pwd->pw_class = cnf->default_class; 34620253Sjoerg 34720267Sjoerg if ((arg = getarg(args, 'w')) != NULL && getarg(args, 'h') == NULL) 34820267Sjoerg pwd->pw_passwd = pw_password(cnf, args, pwd->pw_name); 34920267Sjoerg 35020253Sjoerg } else { 35120253Sjoerg if (a_name == NULL) /* Required */ 35220267Sjoerg cmderr(EX_DATAERR, "login name required\n"); 35320253Sjoerg else if ((pwd = getpwnam(a_name->val)) != NULL) /* Exists */ 35420267Sjoerg cmderr(EX_DATAERR, "login name `%s' already exists\n", a_name->val); 35520253Sjoerg 35620253Sjoerg /* 35720253Sjoerg * Now, set up defaults for a new user 35820253Sjoerg */ 35920253Sjoerg pwd = &fakeuser; 36020253Sjoerg pwd->pw_name = a_name->val; 36120253Sjoerg pwd->pw_class = cnf->default_class ? cnf->default_class : ""; 36220253Sjoerg pwd->pw_passwd = pw_password(cnf, args, pwd->pw_name); 36320253Sjoerg pwd->pw_uid = pw_uidpolicy(cnf, args); 36420253Sjoerg pwd->pw_gid = pw_gidpolicy(cnf, args, pwd->pw_name, (gid_t) pwd->pw_uid); 36520253Sjoerg pwd->pw_change = pw_pwdpolicy(cnf, args); 36620253Sjoerg pwd->pw_expire = pw_exppolicy(cnf, args); 36720253Sjoerg pwd->pw_dir = pw_homepolicy(cnf, args, pwd->pw_name); 36820253Sjoerg pwd->pw_shell = pw_shellpolicy(cnf, args, NULL); 36920253Sjoerg 37020253Sjoerg if (pwd->pw_uid == 0 && strcmp(pwd->pw_name, "root") != 0) 37120253Sjoerg fprintf(stderr, "WARNING: new account `%s' has a uid of 0 (superuser access!)\n", pwd->pw_name); 37220253Sjoerg } 37320253Sjoerg 37420253Sjoerg /* 37520253Sjoerg * Shared add/edit code 37620253Sjoerg */ 37720253Sjoerg if ((arg = getarg(args, 'c')) != NULL) 37820253Sjoerg pwd->pw_gecos = pw_checkname(arg->val, 1); 37920253Sjoerg 38020253Sjoerg if ((arg = getarg(args, 'h')) != NULL) { 38120253Sjoerg if (strcmp(arg->val, "-") == 0) 38220253Sjoerg pwd->pw_passwd = "*"; /* No access */ 38320253Sjoerg else { 38420253Sjoerg int fd = atoi(arg->val); 38520253Sjoerg int b; 38620253Sjoerg int istty = isatty(fd); 38720253Sjoerg struct termios t; 38820253Sjoerg 38920253Sjoerg if (istty) { 39020253Sjoerg if (tcgetattr(fd, &t) == -1) 39120253Sjoerg istty = 0; 39220253Sjoerg else { 39320253Sjoerg struct termios n = t; 39420253Sjoerg 39520253Sjoerg /* Disable echo */ 39620253Sjoerg n.c_lflag &= ~(ECHO); 39720253Sjoerg tcsetattr(fd, TCSANOW, &n); 39820253Sjoerg printf("%sassword for user %s:", (mode == M_UPDATE) ? "New p" : "P", pwd->pw_name); 39920253Sjoerg fflush(stdout); 40020253Sjoerg } 40120253Sjoerg } 40220253Sjoerg b = read(fd, line, sizeof(line) - 1); 40320253Sjoerg if (istty) { /* Restore state */ 40420253Sjoerg tcsetattr(fd, TCSANOW, &t); 40520253Sjoerg fputc('\n', stdout); 40620253Sjoerg fflush(stdout); 40720253Sjoerg } 40820253Sjoerg if (b < 0) { 40920253Sjoerg perror("-h file descriptor"); 41020267Sjoerg return EX_IOERR; 41120253Sjoerg } 41220253Sjoerg line[b] = '\0'; 41320253Sjoerg if ((p = strpbrk(line, " \t\r\n")) != NULL) 41420253Sjoerg *p = '\0'; 41520253Sjoerg if (!*line) 41620267Sjoerg cmderr(EX_DATAERR, "empty password read on file descriptor %d\n", fd); 41720253Sjoerg pwd->pw_passwd = pw_pwcrypt(line); 41820253Sjoerg } 41920253Sjoerg } 42020267Sjoerg 42120267Sjoerg /* 42220267Sjoerg * Special case: -N only displays & exits 42320267Sjoerg */ 42420267Sjoerg if (getarg(args, 'N') != NULL) 42520267Sjoerg return print_user(pwd, getarg(args, 'P') != NULL); 42620267Sjoerg 42720253Sjoerg if ((mode == M_ADD && !addpwent(pwd)) || 42820253Sjoerg (mode == M_UPDATE && !chgpwent(a_name->val, pwd))) { 42920253Sjoerg perror("password update"); 43020267Sjoerg return EX_IOERR; 43120253Sjoerg } 43220253Sjoerg /* 43320253Sjoerg * Ok, user is created or changed - now edit group file 43420253Sjoerg */ 43520253Sjoerg 43620253Sjoerg if (mode == M_ADD || getarg(args, 'G') != NULL) 43720253Sjoerg editgroups(pwd->pw_name, cnf->groups); 43820253Sjoerg 43920253Sjoerg /* pwd may have been invalidated */ 44020253Sjoerg if ((pwd = getpwnam(a_name->val)) == NULL) 44120267Sjoerg cmderr(EX_NOUSER, "user '%s' disappeared during update\n", a_name->val); 44220253Sjoerg 44320253Sjoerg grp = getgrgid(pwd->pw_gid); 44420253Sjoerg pw_log(cnf, mode, W_USER, "%s(%ld):%s(%d):%s:%s:%s", 44520253Sjoerg pwd->pw_name, (long) pwd->pw_uid, 44620253Sjoerg grp ? grp->gr_name : "unknown", (long) (grp ? grp->gr_gid : -1), 44720253Sjoerg pwd->pw_gecos, pwd->pw_dir, pwd->pw_shell); 44820253Sjoerg 44920253Sjoerg /* 45020253Sjoerg * If adding, let's touch and chown the user's mail file. This is not 45120253Sjoerg * strictly necessary under BSD with a 0755 maildir but it also 45220253Sjoerg * doesn't hurt anything to create the empty mailfile 45320253Sjoerg */ 45420253Sjoerg if (mode == M_ADD) { 45520253Sjoerg FILE *fp; 45620253Sjoerg 45720253Sjoerg sprintf(line, "%s/%s", _PATH_MAILDIR, pwd->pw_name); 45820253Sjoerg close(open(line, O_RDWR | O_CREAT, 0600)); /* Preserve contents & 45920253Sjoerg * mtime */ 46020253Sjoerg chown(line, pwd->pw_uid, pwd->pw_gid); 46120253Sjoerg 46220253Sjoerg /* 46320253Sjoerg * Send mail to the new user as well, if we are asked to 46420253Sjoerg */ 46520253Sjoerg if (cnf->newmail && *cnf->newmail && (fp = fopen(cnf->newmail, "r")) != NULL) { 46620253Sjoerg FILE *pfp = popen(_PATH_SENDMAIL " -t", "w"); 46720253Sjoerg 46820253Sjoerg if (pfp == NULL) 46920253Sjoerg perror("sendmail"); 47020253Sjoerg else { 47120253Sjoerg fprintf(pfp, "From: root\n" "To: %s\n" "Subject: Welcome!\n\n", pwd->pw_name); 47220253Sjoerg while (fgets(line, sizeof(line), fp) != NULL) { 47320253Sjoerg /* Do substitutions? */ 47420253Sjoerg fputs(line, pfp); 47520253Sjoerg } 47620253Sjoerg pclose(pfp); 47720253Sjoerg pw_log(cnf, mode, W_USER, "%s(%ld) new user mail sent", 47820253Sjoerg pwd->pw_name, (long) pwd->pw_uid); 47920253Sjoerg } 48020253Sjoerg fclose(fp); 48120253Sjoerg } 48220253Sjoerg } 48320253Sjoerg /* 48420253Sjoerg * Finally, let's create and populate the user's home directory. Note 48520253Sjoerg * that this also `works' for editing users if -m is used, but 48620253Sjoerg * existing files will *not* be overwritten. 48720253Sjoerg */ 48820253Sjoerg if (getarg(args, 'm') != NULL && pwd->pw_dir && *pwd->pw_dir == '/' && pwd->pw_dir[1]) { 48920253Sjoerg copymkdir(pwd->pw_dir, cnf->dotdir, 0755, pwd->pw_uid, pwd->pw_gid); 49020253Sjoerg pw_log(cnf, mode, W_USER, "%s(%ld) home %s made", 49120253Sjoerg pwd->pw_name, (long) pwd->pw_uid, pwd->pw_dir); 49220253Sjoerg } 49320267Sjoerg return EXIT_SUCCESS; 49420253Sjoerg} 49520253Sjoerg 49620253Sjoerg 49720253Sjoergstatic uid_t 49820253Sjoergpw_uidpolicy(struct userconf * cnf, struct cargs * args) 49920253Sjoerg{ 50020253Sjoerg struct passwd *pwd; 50120253Sjoerg uid_t uid = (uid_t) - 1; 50220253Sjoerg struct carg *a_uid = getarg(args, 'u'); 50320253Sjoerg 50420253Sjoerg /* 50520253Sjoerg * Check the given uid, if any 50620253Sjoerg */ 50720253Sjoerg if (a_uid != NULL) { 50820253Sjoerg uid = (uid_t) atol(a_uid->val); 50920253Sjoerg 51020253Sjoerg if ((pwd = getpwuid(uid)) != NULL && getarg(args, 'o') == NULL) 51120267Sjoerg cmderr(EX_DATAERR, "uid `%ld' has already been allocated\n", (long) pwd->pw_uid); 51220253Sjoerg } else { 51320253Sjoerg struct bitmap bm; 51420253Sjoerg 51520253Sjoerg /* 51620253Sjoerg * We need to allocate the next available uid under one of 51720253Sjoerg * two policies a) Grab the first unused uid b) Grab the 51820253Sjoerg * highest possible unused uid 51920253Sjoerg */ 52020253Sjoerg if (cnf->min_uid >= cnf->max_uid) { /* Sanity 52120253Sjoerg * claus^H^H^H^Hheck */ 52220253Sjoerg cnf->min_uid = 1000; 52320253Sjoerg cnf->max_uid = 32000; 52420253Sjoerg } 52520253Sjoerg bm = bm_alloc(cnf->max_uid - cnf->min_uid + 1); 52620253Sjoerg 52720253Sjoerg /* 52820253Sjoerg * Now, let's fill the bitmap from the password file 52920253Sjoerg */ 53020253Sjoerg setpwent(); 53120253Sjoerg while ((pwd = getpwent()) != NULL) 53220253Sjoerg if (pwd->pw_uid >= (int) cnf->min_uid && pwd->pw_uid <= (int) cnf->max_uid) 53320253Sjoerg bm_setbit(&bm, pwd->pw_uid - cnf->min_uid); 53420253Sjoerg endpwent(); 53520253Sjoerg 53620253Sjoerg /* 53720253Sjoerg * Then apply the policy, with fallback to reuse if necessary 53820253Sjoerg */ 53920253Sjoerg if (cnf->reuse_uids || (uid = (uid_t) (bm_lastset(&bm) + cnf->min_uid + 1)) > cnf->max_uid) 54020253Sjoerg uid = (uid_t) (bm_firstunset(&bm) + cnf->min_uid); 54120253Sjoerg 54220253Sjoerg /* 54320253Sjoerg * Another sanity check 54420253Sjoerg */ 54520253Sjoerg if (uid < cnf->min_uid || uid > cnf->max_uid) 54620267Sjoerg cmderr(EX_SOFTWARE, "unable to allocate a new uid - range fully used\n"); 54720253Sjoerg bm_dealloc(&bm); 54820253Sjoerg } 54920253Sjoerg return uid; 55020253Sjoerg} 55120253Sjoerg 55220253Sjoerg 55320253Sjoergstatic uid_t 55420253Sjoergpw_gidpolicy(struct userconf * cnf, struct cargs * args, char *nam, gid_t prefer) 55520253Sjoerg{ 55620253Sjoerg struct group *grp; 55720253Sjoerg gid_t gid = (uid_t) - 1; 55820253Sjoerg struct carg *a_gid = getarg(args, 'g'); 55920253Sjoerg 56020253Sjoerg /* 56120253Sjoerg * If no arg given, see if default can help out 56220253Sjoerg */ 56320253Sjoerg if (a_gid == NULL && cnf->default_group && *cnf->default_group) 56420253Sjoerg a_gid = addarg(args, 'g', cnf->default_group); 56520253Sjoerg 56620253Sjoerg /* 56720253Sjoerg * Check the given gid, if any 56820253Sjoerg */ 56920267Sjoerg setgrent(); 57020253Sjoerg if (a_gid != NULL) { 57120253Sjoerg if ((grp = getgrnam(a_gid->val)) == NULL) { 57220253Sjoerg gid = (gid_t) atol(a_gid->val); 57320253Sjoerg if ((gid == 0 && !isdigit(*a_gid->val)) || (grp = getgrgid(gid)) == NULL) 57420267Sjoerg cmderr(EX_NOUSER, "group `%s' is not defined\n", a_gid->val); 57520253Sjoerg } 57620253Sjoerg gid = grp->gr_gid; 57720267Sjoerg } else if ((grp = getgrnam(nam)) != NULL && grp->gr_mem[0] == NULL) { 57820267Sjoerg gid = grp->gr_gid; /* Already created? Use it anyway... */ 57920253Sjoerg } else { 58020253Sjoerg struct cargs grpargs; 58120253Sjoerg char tmp[32]; 58220253Sjoerg 58320253Sjoerg LIST_INIT(&grpargs); 58420253Sjoerg addarg(&grpargs, 'n', nam); 58520253Sjoerg 58620253Sjoerg /* 58720253Sjoerg * We need to auto-create a group with the user's name. We 58820253Sjoerg * can send all the appropriate output to our sister routine 58920253Sjoerg * bit first see if we can create a group with gid==uid so we 59020253Sjoerg * can keep the user and group ids in sync. We purposely do 59120253Sjoerg * NOT check the gid range if we can force the sync. If the 59220253Sjoerg * user's name dups an existing group, then the group add 59320253Sjoerg * function will happily handle that case for us and exit. 59420253Sjoerg */ 59520253Sjoerg if (getgrgid(prefer) == NULL) { 59620253Sjoerg sprintf(tmp, "%lu", (unsigned long) prefer); 59720253Sjoerg addarg(&grpargs, 'g', tmp); 59820253Sjoerg } 59920267Sjoerg if (getarg(args, 'N')) 60020267Sjoerg { 60120267Sjoerg addarg(&grpargs, 'N', NULL); 60220267Sjoerg addarg(&grpargs, 'q', NULL); 60320267Sjoerg gid = pw_group(cnf, M_NEXT, &grpargs); 60420267Sjoerg } 60520267Sjoerg else 60620267Sjoerg { 60720267Sjoerg pw_group(cnf, M_ADD, &grpargs); 60820267Sjoerg if ((grp = getgrnam(nam)) != NULL) 60920267Sjoerg gid = grp->gr_gid; 61020267Sjoerg } 61120253Sjoerg a_gid = grpargs.lh_first; 61220253Sjoerg while (a_gid != NULL) { 61320253Sjoerg struct carg *t = a_gid->list.le_next; 61420253Sjoerg LIST_REMOVE(a_gid, list); 61520253Sjoerg a_gid = t; 61620253Sjoerg } 61720253Sjoerg } 61820267Sjoerg endgrent(); 61920253Sjoerg return gid; 62020253Sjoerg} 62120253Sjoerg 62220253Sjoerg 62320253Sjoergstatic time_t 62420253Sjoergpw_pwdpolicy(struct userconf * cnf, struct cargs * args) 62520253Sjoerg{ 62620253Sjoerg time_t result = 0; 62720253Sjoerg time_t now = time(NULL); 62820253Sjoerg struct carg *arg = getarg(args, 'e'); 62920253Sjoerg 63020253Sjoerg if (arg != NULL) { 63120253Sjoerg if ((result = parse_date(now, arg->val)) == now) 63220267Sjoerg cmderr(EX_DATAERR, "invalid date/time `%s'\n", arg->val); 63320253Sjoerg } else if (cnf->password_days > 0) 63420253Sjoerg result = now + ((long) cnf->password_days * 86400L); 63520253Sjoerg return result; 63620253Sjoerg} 63720253Sjoerg 63820253Sjoerg 63920253Sjoergstatic time_t 64020253Sjoergpw_exppolicy(struct userconf * cnf, struct cargs * args) 64120253Sjoerg{ 64220253Sjoerg time_t result = 0; 64320253Sjoerg time_t now = time(NULL); 64420253Sjoerg struct carg *arg = getarg(args, 'e'); 64520253Sjoerg 64620253Sjoerg if (arg != NULL) { 64720253Sjoerg if ((result = parse_date(now, arg->val)) == now) 64820267Sjoerg cmderr(EX_DATAERR, "invalid date/time `%s'\n", arg->val); 64920253Sjoerg } else if (cnf->expire_days > 0) 65020253Sjoerg result = now + ((long) cnf->expire_days * 86400L); 65120253Sjoerg return result; 65220253Sjoerg} 65320253Sjoerg 65420253Sjoerg 65520253Sjoergstatic char * 65620253Sjoergpw_homepolicy(struct userconf * cnf, struct cargs * args, char const * user) 65720253Sjoerg{ 65820253Sjoerg struct carg *arg = getarg(args, 'd'); 65920253Sjoerg 66020253Sjoerg if (arg) 66120253Sjoerg return arg->val; 66220253Sjoerg else { 66320253Sjoerg static char home[128]; 66420253Sjoerg 66520253Sjoerg if (cnf->home == NULL || *cnf->home == '\0') 66620267Sjoerg cmderr(EX_CONFIG, "no base home directory set\n"); 66720253Sjoerg sprintf(home, "%s/%s", cnf->home, user); 66820253Sjoerg return home; 66920253Sjoerg } 67020253Sjoerg} 67120253Sjoerg 67220253Sjoergstatic char * 67320253Sjoergshell_path(char const * path, char *shells[], char *sh) 67420253Sjoerg{ 67520253Sjoerg if (sh != NULL && (*sh == '/' || *sh == '\0')) 67620253Sjoerg return sh; /* specified full path or forced none */ 67720253Sjoerg else { 67820253Sjoerg char *p; 67920253Sjoerg char paths[_UC_MAXLINE]; 68020253Sjoerg 68120253Sjoerg /* 68220253Sjoerg * We need to search paths 68320253Sjoerg */ 68420253Sjoerg strncpy(paths, path, sizeof paths); 68520253Sjoerg paths[sizeof paths - 1] = '\0'; 68620253Sjoerg for (p = strtok(paths, ": \t\r\n"); p != NULL; p = strtok(NULL, ": \t\r\n")) { 68720253Sjoerg int i; 68820253Sjoerg static char shellpath[256]; 68920253Sjoerg 69020253Sjoerg if (sh != NULL) { 69120253Sjoerg sprintf(shellpath, "%s/%s", p, sh); 69220253Sjoerg if (access(shellpath, X_OK) == 0) 69320253Sjoerg return shellpath; 69420253Sjoerg } else 69520253Sjoerg for (i = 0; i < _UC_MAXSHELLS && shells[i] != NULL; i++) { 69620253Sjoerg sprintf(shellpath, "%s/%s", p, shells[i]); 69720253Sjoerg if (access(shellpath, X_OK) == 0) 69820253Sjoerg return shellpath; 69920253Sjoerg } 70020253Sjoerg } 70120253Sjoerg if (sh == NULL) 70220267Sjoerg cmderr(EX_OSFILE, "can't find shell `%s' in shell paths\n", sh); 70320267Sjoerg cmderr(EX_CONFIG, "no default shell available or defined\n"); 70420253Sjoerg return NULL; 70520253Sjoerg } 70620253Sjoerg} 70720253Sjoerg 70820253Sjoerg 70920253Sjoergstatic char * 71020253Sjoergpw_shellpolicy(struct userconf * cnf, struct cargs * args, char *newshell) 71120253Sjoerg{ 71220253Sjoerg char *sh = newshell; 71320253Sjoerg struct carg *arg = getarg(args, 's'); 71420253Sjoerg 71520253Sjoerg if (newshell == NULL && arg != NULL) 71620253Sjoerg sh = arg->val; 71720253Sjoerg return shell_path(cnf->shelldir, cnf->shells, sh ? sh : cnf->shell_default); 71820253Sjoerg} 71920253Sjoerg 72020253Sjoergstatic char const chars[] = "0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ."; 72120253Sjoerg 72220253Sjoergchar * 72320253Sjoergpw_pwcrypt(char *password) 72420253Sjoerg{ 72520253Sjoerg int i; 72620253Sjoerg char salt[12]; 72720253Sjoerg 72820253Sjoerg static char buf[256]; 72920253Sjoerg 73020253Sjoerg /* 73120253Sjoerg * Calculate a salt value 73220253Sjoerg */ 73320253Sjoerg srandom((unsigned) (time(NULL) | getpid())); 73420253Sjoerg for (i = 0; i < 8; i++) 73520253Sjoerg salt[i] = chars[random() % 63]; 73620253Sjoerg salt[i] = '\0'; 73720253Sjoerg 73820253Sjoerg return strcpy(buf, crypt(password, salt)); 73920253Sjoerg} 74020253Sjoerg 74120253Sjoerg 74220253Sjoergstatic char * 74320253Sjoergpw_password(struct userconf * cnf, struct cargs * args, char const * user) 74420253Sjoerg{ 74520253Sjoerg int i, l; 74620253Sjoerg char pwbuf[32]; 74720253Sjoerg 74820253Sjoerg switch (cnf->default_password) { 74920253Sjoerg case -1: /* Random password */ 75020253Sjoerg srandom((unsigned) (time(NULL) | getpid())); 75120253Sjoerg l = (random() % 8 + 8); /* 8 - 16 chars */ 75220253Sjoerg for (i = 0; i < l; i++) 75320253Sjoerg pwbuf[i] = chars[random() % sizeof(chars)]; 75420253Sjoerg pwbuf[i] = '\0'; 75520253Sjoerg 75620253Sjoerg /* 75720253Sjoerg * We give this information back to the user 75820253Sjoerg */ 75920267Sjoerg if (getarg(args, 'h') == NULL && getarg(args, 'N') == NULL) { 76020253Sjoerg if (isatty(0)) 76120253Sjoerg printf("Password is: "); 76220253Sjoerg printf("%s\n", pwbuf); 76320253Sjoerg fflush(stdout); 76420253Sjoerg } 76520253Sjoerg break; 76620253Sjoerg 76720253Sjoerg case -2: /* No password at all! */ 76820253Sjoerg return ""; 76920253Sjoerg 77020253Sjoerg case 0: /* No login - default */ 77120253Sjoerg default: 77220253Sjoerg return "*"; 77320253Sjoerg 77420253Sjoerg case 1: /* user's name */ 77520253Sjoerg strncpy(pwbuf, user, sizeof pwbuf); 77620253Sjoerg pwbuf[sizeof pwbuf - 1] = '\0'; 77720253Sjoerg break; 77820253Sjoerg } 77920253Sjoerg return pw_pwcrypt(pwbuf); 78020253Sjoerg} 78120253Sjoerg 78220253Sjoerg 78320253Sjoergstatic int 78420253Sjoergprint_user(struct passwd * pwd, int pretty) 78520253Sjoerg{ 78620253Sjoerg if (!pretty) { 78720253Sjoerg char buf[_UC_MAXLINE]; 78820253Sjoerg 78920253Sjoerg fmtpwent(buf, pwd); 79020253Sjoerg fputs(buf, stdout); 79120253Sjoerg } else { 79220267Sjoerg int j; 79320253Sjoerg char *p; 79420253Sjoerg struct group *grp = getgrgid(pwd->pw_gid); 79520253Sjoerg char uname[60] = "User &", office[60] = "[None]", 79620253Sjoerg wphone[60] = "[None]", hphone[60] = "[None]"; 79720253Sjoerg 79820253Sjoerg if ((p = strtok(pwd->pw_gecos, ",")) != NULL) { 79920253Sjoerg strncpy(uname, p, sizeof uname); 80020253Sjoerg uname[sizeof uname - 1] = '\0'; 80120253Sjoerg if ((p = strtok(NULL, ",")) != NULL) { 80220253Sjoerg strncpy(office, p, sizeof office); 80320253Sjoerg office[sizeof office - 1] = '\0'; 80420253Sjoerg if ((p = strtok(NULL, ",")) != NULL) { 80520253Sjoerg strncpy(wphone, p, sizeof wphone); 80620253Sjoerg wphone[sizeof wphone - 1] = '\0'; 80720253Sjoerg if ((p = strtok(NULL, "")) != NULL) { 80820253Sjoerg strncpy(hphone, p, sizeof hphone); 80920253Sjoerg hphone[sizeof hphone - 1] = '\0'; 81020253Sjoerg } 81120253Sjoerg } 81220253Sjoerg } 81320253Sjoerg } 81420253Sjoerg /* 81520253Sjoerg * Handle '&' in gecos field 81620253Sjoerg */ 81720253Sjoerg if ((p = strchr(uname, '&')) != NULL) { 81820253Sjoerg int l = strlen(pwd->pw_name); 81920253Sjoerg int m = strlen(p); 82020253Sjoerg 82120253Sjoerg memmove(p + l, p + 1, m); 82220253Sjoerg memmove(p, pwd->pw_name, l); 82320253Sjoerg *p = (char) toupper(*p); 82420253Sjoerg } 82520253Sjoerg printf("Login Name : %-10s #%-22ld Group : %-10s #%ld\n" 82620253Sjoerg " Full Name : %s\n" 82720253Sjoerg " Home : %-32.32s Class : %s\n" 82820253Sjoerg " Shell : %-32.32s Office : %s\n" 82920267Sjoerg "Work Phone : %-32.32s Home Phone : %s\n", 83020267Sjoerg 83120253Sjoerg pwd->pw_name, (long) pwd->pw_uid, 83220253Sjoerg grp ? grp->gr_name : "(invalid)", (long) pwd->pw_gid, 83320253Sjoerg uname, pwd->pw_dir, pwd->pw_class, 83420253Sjoerg pwd->pw_shell, office, wphone, hphone); 83520267Sjoerg setgrent(); 83620267Sjoerg j = 0; 83720267Sjoerg while ((grp=getgrent()) != NULL) 83820267Sjoerg { 83920267Sjoerg int i = 0; 84020267Sjoerg while (i < _UC_MAXGROUPS && grp->gr_mem[i] != NULL) 84120267Sjoerg { 84220267Sjoerg if (strcmp(grp->gr_mem[i], pwd->pw_name)==0) 84320267Sjoerg { 84420267Sjoerg printf(j++ == 0 ? " Groups : %s" : ",%s", grp->gr_name); 84520267Sjoerg break; 84620267Sjoerg } 84720267Sjoerg ++i; 84820267Sjoerg } 84920267Sjoerg } 85020267Sjoerg endgrent(); 85120267Sjoerg printf("%s\n", j ? "\n" : ""); 85220253Sjoerg } 85320267Sjoerg return EXIT_SUCCESS; 85420253Sjoerg} 85520253Sjoerg 85620253Sjoergstatic char * 85720253Sjoergpw_checkname(char *name, int gecos) 85820253Sjoerg{ 85920253Sjoerg int l = 0; 86020253Sjoerg char const *notch = gecos ? ":" : " :+-&#%$^()!@~*?<>=|\\/\""; 86120253Sjoerg 86220253Sjoerg while (name[l]) { 86320253Sjoerg if (strchr(notch, name[l]) != NULL || name[l] < ' ') 86420267Sjoerg cmderr(EX_DATAERR, "invalid character `%c' in field\n", name[l]); 86520253Sjoerg ++l; 86620253Sjoerg } 86720253Sjoerg if (!gecos && l > 8) 86820267Sjoerg cmderr(EX_DATAERR, "name too long `%s'\n", name); 86920253Sjoerg return name; 87020253Sjoerg} 87120253Sjoerg 87220253Sjoerg 87320253Sjoergstatic void 87420253Sjoergrmat(uid_t uid) 87520253Sjoerg{ 87620253Sjoerg DIR *d = opendir("/var/at/jobs"); 87720253Sjoerg 87820253Sjoerg if (d != NULL) { 87920253Sjoerg struct dirent *e; 88020253Sjoerg 88120253Sjoerg while ((e = readdir(d)) != NULL) { 88220253Sjoerg struct stat st; 88320253Sjoerg 88420253Sjoerg if (strncmp(e->d_name, ".lock", 5) != 0 && 88520253Sjoerg stat(e->d_name, &st) == 0 && 88620253Sjoerg !S_ISDIR(st.st_mode) && 88720253Sjoerg st.st_uid == uid) { 88820253Sjoerg char tmp[MAXPATHLEN]; 88920253Sjoerg 89020253Sjoerg sprintf(tmp, "/usr/bin/atrm %s", e->d_name); 89120253Sjoerg system(tmp); 89220253Sjoerg } 89320253Sjoerg } 89420253Sjoerg closedir(d); 89520253Sjoerg } 89620253Sjoerg} 897