pw_user.c revision 20712
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 * 2620712Sdavidn * $Id: pw_user.c,v 1.6 1996/12/19 15:22:45 davidn 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> 3620555Sdavidn#include <sys/types.h> 3720555Sdavidn#include <sys/time.h> 3820555Sdavidn#include <sys/resource.h> 3920555Sdavidn#include <md5.h> 4020253Sjoerg#include "pw.h" 4120253Sjoerg#include "bitmap.h" 4220253Sjoerg#include "pwupd.h" 4320253Sjoerg 4420253Sjoergstatic int print_user(struct passwd * pwd, int pretty); 4520253Sjoergstatic uid_t pw_uidpolicy(struct userconf * cnf, struct cargs * args); 4620253Sjoergstatic uid_t pw_gidpolicy(struct userconf * cnf, struct cargs * args, char *nam, gid_t prefer); 4720253Sjoergstatic time_t pw_pwdpolicy(struct userconf * cnf, struct cargs * args); 4820253Sjoergstatic time_t pw_exppolicy(struct userconf * cnf, struct cargs * args); 4920253Sjoergstatic char *pw_homepolicy(struct userconf * cnf, struct cargs * args, char const * user); 5020253Sjoergstatic char *pw_shellpolicy(struct userconf * cnf, struct cargs * args, char *newshell); 5120253Sjoergstatic char *pw_password(struct userconf * cnf, struct cargs * args, char const * user); 5220253Sjoergstatic char *shell_path(char const * path, char *shells[], char *sh); 5320253Sjoergstatic void rmat(uid_t uid); 5420253Sjoerg 5520253Sjoerg/*- 5620253Sjoerg * -C config configuration file 5720253Sjoerg * -q quiet operation 5820253Sjoerg * -n name login name 5920253Sjoerg * -u uid user id 6020253Sjoerg * -c comment user name/comment 6120253Sjoerg * -d directory home directory 6220253Sjoerg * -e date account expiry date 6320253Sjoerg * -p date password expiry date 6420253Sjoerg * -g grp primary group 6520253Sjoerg * -G grp1,grp2 additional groups 6620253Sjoerg * -m [ -k dir ] create and set up home 6720253Sjoerg * -s shell name of login shell 6820253Sjoerg * -o duplicate uid ok 6920253Sjoerg * -L class user class 7020253Sjoerg * -l name new login name 7120253Sjoerg * -h fd password filehandle 7220253Sjoerg * -F force print or add 7320253Sjoerg * Setting defaults: 7420253Sjoerg * -D set user defaults 7520253Sjoerg * -b dir default home root dir 7620253Sjoerg * -e period default expiry period 7720253Sjoerg * -p period default password change period 7820253Sjoerg * -g group default group 7920253Sjoerg * -G grp1,grp2.. default additional groups 8020253Sjoerg * -L class default login class 8120253Sjoerg * -k dir default home skeleton 8220253Sjoerg * -s shell default shell 8320253Sjoerg * -w method default password method 8420253Sjoerg */ 8520253Sjoerg 8620253Sjoergint 8720253Sjoergpw_user(struct userconf * cnf, int mode, struct cargs * args) 8820253Sjoerg{ 8920253Sjoerg char *p = NULL; 9020253Sjoerg struct carg *a_name; 9120253Sjoerg struct carg *a_uid; 9220253Sjoerg struct carg *arg; 9320253Sjoerg struct passwd *pwd = NULL; 9420253Sjoerg struct group *grp; 9520253Sjoerg struct stat st; 9620253Sjoerg char line[MAXPWLINE]; 9720253Sjoerg 9820253Sjoerg static struct passwd fakeuser = 9920253Sjoerg { 10020253Sjoerg NULL, 10120253Sjoerg "*", 10220253Sjoerg -1, 10320253Sjoerg -1, 10420253Sjoerg 0, 10520253Sjoerg "", 10620253Sjoerg "User &", 10720253Sjoerg "/bin/sh", 10820253Sjoerg 0, 10920253Sjoerg 0 11020253Sjoerg }; 11120253Sjoerg 11220253Sjoerg /* 11320267Sjoerg * With M_NEXT, we only need to return the 11420267Sjoerg * next uid to stdout 11520267Sjoerg */ 11620267Sjoerg if (mode == M_NEXT) 11720267Sjoerg { 11820267Sjoerg uid_t next = pw_uidpolicy(cnf, args); 11920267Sjoerg if (getarg(args, 'q')) 12020267Sjoerg return next; 12120267Sjoerg printf("%ld:", (long)next); 12220267Sjoerg pw_group(cnf, mode, args); 12320267Sjoerg return EXIT_SUCCESS; 12420267Sjoerg } 12520267Sjoerg 12620267Sjoerg /* 12720253Sjoerg * We can do all of the common legwork here 12820253Sjoerg */ 12920253Sjoerg 13020253Sjoerg if ((arg = getarg(args, 'b')) != NULL) { 13120267Sjoerg cnf->home = arg->val; 13220267Sjoerg if (stat(cnf->home, &st) == -1 || !S_ISDIR(st.st_mode)) 13320267Sjoerg cmderr(EX_OSFILE, "root home `%s' is not a directory or does not exist\n", cnf->home); 13420253Sjoerg } 13520253Sjoerg if ((arg = getarg(args, 'e')) != NULL) 13620253Sjoerg cnf->expire_days = atoi(arg->val); 13720253Sjoerg 13820253Sjoerg if ((arg = getarg(args, 'p')) != NULL && arg->val) 13920253Sjoerg cnf->password_days = atoi(arg->val); 14020253Sjoerg 14120253Sjoerg if ((arg = getarg(args, 'g')) != NULL) { 14220253Sjoerg p = arg->val; 14320253Sjoerg if ((grp = getgrnam(p)) == NULL) { 14420253Sjoerg if (!isdigit(*p) || (grp = getgrgid((gid_t) atoi(p))) == NULL) 14520267Sjoerg cmderr(EX_NOUSER, "group `%s' does not exist\n", p); 14620253Sjoerg } 14720253Sjoerg cnf->default_group = newstr(grp->gr_name); 14820253Sjoerg } 14920253Sjoerg if ((arg = getarg(args, 'L')) != NULL) 15020679Sdavidn cnf->default_class = pw_checkname((u_char *)arg->val, 0); 15120253Sjoerg 15220253Sjoerg if ((arg = getarg(args, 'G')) != NULL && arg->val) { 15320253Sjoerg int i = 0; 15420253Sjoerg 15520253Sjoerg for (p = strtok(arg->val, ", \t"); i < _UC_MAXGROUPS && p != NULL; p = strtok(NULL, ", \t")) { 15620253Sjoerg if ((grp = getgrnam(p)) == NULL) { 15720253Sjoerg if (!isdigit(*p) || (grp = getgrgid((gid_t) atoi(p))) == NULL) 15820267Sjoerg cmderr(EX_NOUSER, "group `%s' does not exist\n", p); 15920253Sjoerg } 16020253Sjoerg cnf->groups[i++] = newstr(grp->gr_name); 16120253Sjoerg } 16220253Sjoerg while (i < _UC_MAXGROUPS) 16320253Sjoerg cnf->groups[i++] = NULL; 16420253Sjoerg } 16520253Sjoerg if ((arg = getarg(args, 'k')) != NULL) { 16620253Sjoerg if (stat(cnf->dotdir = arg->val, &st) == -1 || S_ISDIR(st.st_mode)) 16720267Sjoerg cmderr(EX_OSFILE, "skeleton `%s' is not a directory or does not exist\n", cnf->dotdir); 16820253Sjoerg } 16920253Sjoerg if ((arg = getarg(args, 's')) != NULL) 17020253Sjoerg cnf->shell_default = arg->val; 17120253Sjoerg 17220253Sjoerg if (mode == M_ADD && getarg(args, 'D')) { 17320253Sjoerg if (getarg(args, 'n') != NULL) 17420267Sjoerg cmderr(EX_DATAERR, "can't combine `-D' with `-n name'\n"); 17520253Sjoerg if ((arg = getarg(args, 'u')) != NULL && (p = strtok(arg->val, ", \t")) != NULL) { 17620253Sjoerg if ((cnf->min_uid = (uid_t) atoi(p)) == 0) 17720253Sjoerg cnf->min_uid = 1000; 17820253Sjoerg if ((p = strtok(NULL, " ,\t")) == NULL || (cnf->max_uid = (uid_t) atoi(p)) < cnf->min_uid) 17920253Sjoerg cnf->max_uid = 32000; 18020253Sjoerg } 18120253Sjoerg if ((arg = getarg(args, 'i')) != NULL && (p = strtok(arg->val, ", \t")) != NULL) { 18220253Sjoerg if ((cnf->min_gid = (gid_t) atoi(p)) == 0) 18320253Sjoerg cnf->min_gid = 1000; 18420253Sjoerg if ((p = strtok(NULL, " ,\t")) == NULL || (cnf->max_gid = (gid_t) atoi(p)) < cnf->min_gid) 18520253Sjoerg cnf->max_gid = 32000; 18620253Sjoerg } 18720253Sjoerg if ((arg = getarg(args, 'w')) != NULL) 18820253Sjoerg cnf->default_password = boolean_val(arg->val, cnf->default_password); 18920253Sjoerg 19020253Sjoerg arg = getarg(args, 'C'); 19120253Sjoerg if (write_userconfig(arg ? arg->val : NULL)) 19220267Sjoerg return EXIT_SUCCESS; 19320253Sjoerg perror("config update"); 19420267Sjoerg return EX_IOERR; 19520253Sjoerg } 19620253Sjoerg if (mode == M_PRINT && getarg(args, 'a')) { 19720267Sjoerg int pretty = getarg(args, 'P') != NULL; 19820253Sjoerg 19920253Sjoerg setpwent(); 20020253Sjoerg while ((pwd = getpwent()) != NULL) 20120253Sjoerg print_user(pwd, pretty); 20220253Sjoerg endpwent(); 20320267Sjoerg return EXIT_SUCCESS; 20420253Sjoerg } 20520253Sjoerg if ((a_name = getarg(args, 'n')) != NULL) 20620679Sdavidn pwd = getpwnam(pw_checkname((u_char *)a_name->val, 0)); 20720253Sjoerg a_uid = getarg(args, 'u'); 20820253Sjoerg 20920253Sjoerg if (a_uid == NULL) { 21020253Sjoerg if (a_name == NULL) 21120267Sjoerg cmderr(EX_DATAERR, "user name or id required\n"); 21220253Sjoerg 21320253Sjoerg /* 21420253Sjoerg * Determine whether 'n' switch is name or uid - we don't 21520253Sjoerg * really don't really care which we have, but we need to 21620253Sjoerg * know. 21720253Sjoerg */ 21820253Sjoerg if (mode != M_ADD && pwd == NULL && isdigit(*a_name->val) && atoi(a_name->val) > 0) { /* Assume uid */ 21920253Sjoerg (a_uid = a_name)->ch = 'u'; 22020253Sjoerg a_name = NULL; 22120253Sjoerg } 22220253Sjoerg } 22320253Sjoerg /* 22420253Sjoerg * Update, delete & print require that the user exists 22520253Sjoerg */ 22620253Sjoerg if (mode == M_UPDATE || mode == M_DELETE || mode == M_PRINT) { 22720253Sjoerg if (a_name == NULL && pwd == NULL) /* Try harder */ 22820253Sjoerg pwd = getpwuid(atoi(a_uid->val)); 22920253Sjoerg 23020253Sjoerg if (pwd == NULL) { 23120253Sjoerg if (mode == M_PRINT && getarg(args, 'F')) { 23220253Sjoerg fakeuser.pw_name = a_name ? a_name->val : "nouser"; 23320253Sjoerg fakeuser.pw_uid = a_uid ? (uid_t) atol(a_uid->val) : -1; 23420267Sjoerg return print_user(&fakeuser, getarg(args, 'P') != NULL); 23520253Sjoerg } 23620253Sjoerg if (a_name == NULL) 23720267Sjoerg cmderr(EX_NOUSER, "no such uid `%s'\n", a_uid->val); 23820267Sjoerg cmderr(EX_NOUSER, "no such user `%s'\n", a_name->val); 23920253Sjoerg } 24020253Sjoerg if (a_name == NULL) /* May be needed later */ 24120253Sjoerg a_name = addarg(args, 'n', newstr(pwd->pw_name)); 24220253Sjoerg 24320253Sjoerg /* 24420253Sjoerg * Handle deletions now 24520253Sjoerg */ 24620253Sjoerg if (mode == M_DELETE) { 24720253Sjoerg char file[MAXPATHLEN]; 24820253Sjoerg char home[MAXPATHLEN]; 24920253Sjoerg uid_t uid = pwd->pw_uid; 25020253Sjoerg 25120253Sjoerg if (strcmp(pwd->pw_name, "root") == 0) 25220267Sjoerg cmderr(EX_DATAERR, "cannot remove user 'root'\n"); 25320253Sjoerg 25420253Sjoerg /* 25520253Sjoerg * Remove crontabs 25620253Sjoerg */ 25720253Sjoerg sprintf(file, "/var/cron/tabs/%s", pwd->pw_name); 25820253Sjoerg if (access(file, F_OK) == 0) { 25920253Sjoerg sprintf(file, "crontab -u %s -r", pwd->pw_name); 26020253Sjoerg system(file); 26120253Sjoerg } 26220253Sjoerg /* 26320253Sjoerg * Save these for later, since contents of pwd may be 26420253Sjoerg * invalidated by deletion 26520253Sjoerg */ 26620253Sjoerg sprintf(file, "%s/%s", _PATH_MAILDIR, pwd->pw_name); 26720253Sjoerg strncpy(home, pwd->pw_dir, sizeof home); 26820253Sjoerg home[sizeof home - 1] = '\0'; 26920253Sjoerg 27020253Sjoerg if (!delpwent(pwd)) 27120267Sjoerg cmderr(EX_IOERR, "Error updating passwd file: %s\n", strerror(errno)); 27220253Sjoerg editgroups(a_name->val, NULL); 27320253Sjoerg 27420253Sjoerg pw_log(cnf, mode, W_USER, "%s(%ld) account removed", a_name->val, (long) uid); 27520253Sjoerg 27620253Sjoerg /* 27720253Sjoerg * Remove mail file 27820253Sjoerg */ 27920253Sjoerg remove(file); 28020253Sjoerg 28120253Sjoerg /* 28220253Sjoerg * Remove at jobs 28320253Sjoerg */ 28420253Sjoerg if (getpwuid(uid) == NULL) 28520253Sjoerg rmat(uid); 28620253Sjoerg 28720253Sjoerg /* 28820253Sjoerg * Remove home directory and contents 28920253Sjoerg */ 29020253Sjoerg if (getarg(args, 'r') != NULL && *home == '/' && getpwuid(uid) == NULL) { 29120253Sjoerg if (stat(home, &st) != -1) { 29220253Sjoerg rm_r(home, uid); 29320253Sjoerg pw_log(cnf, mode, W_USER, "%s(%ld) home '%s' %sremoved", 29420253Sjoerg a_name->val, (long) uid, home, 29520253Sjoerg stat(home, &st) == -1 ? "" : "not completely "); 29620253Sjoerg } 29720253Sjoerg } 29820267Sjoerg return EXIT_SUCCESS; 29920253Sjoerg } else if (mode == M_PRINT) 30020267Sjoerg return print_user(pwd, getarg(args, 'P') != NULL); 30120253Sjoerg 30220253Sjoerg /* 30320253Sjoerg * The rest is edit code 30420253Sjoerg */ 30520253Sjoerg if ((arg = getarg(args, 'l')) != NULL) { 30620253Sjoerg if (strcmp(pwd->pw_name, "root") == 0) 30720267Sjoerg cmderr(EX_DATAERR, "can't rename `root' account\n"); 30820679Sdavidn pwd->pw_name = pw_checkname((u_char *)arg->val, 0); 30920253Sjoerg } 31020253Sjoerg if ((arg = getarg(args, 'u')) != NULL && isdigit(*arg->val)) { 31120253Sjoerg pwd->pw_uid = (uid_t) atol(arg->val); 31220253Sjoerg if (pwd->pw_uid != 0 && strcmp(pwd->pw_name, "root") == 0) 31320267Sjoerg cmderr(EX_DATAERR, "can't change uid of `root' account\n"); 31420253Sjoerg if (pwd->pw_uid == 0 && strcmp(pwd->pw_name, "root") != 0) 31520253Sjoerg fprintf(stderr, "WARNING: account `%s' will have a uid of 0 (superuser access!)\n", pwd->pw_name); 31620253Sjoerg } 31720253Sjoerg if ((arg = getarg(args, 'g')) != NULL && pwd->pw_uid != 0) /* Already checked this */ 31820253Sjoerg pwd->pw_gid = (gid_t) getgrnam(cnf->default_group)->gr_gid; 31920253Sjoerg 32020253Sjoerg if ((arg = getarg(args, 'p')) != NULL) { 32120253Sjoerg if (*arg->val == '\0' || strcmp(arg->val, "0") == 0) 32220253Sjoerg pwd->pw_change = 0; 32320253Sjoerg else { 32420253Sjoerg time_t now = time(NULL); 32520253Sjoerg time_t expire = parse_date(now, arg->val); 32620253Sjoerg 32720253Sjoerg if (now == expire) 32820267Sjoerg cmderr(EX_DATAERR, "Invalid password change date `%s'\n", arg->val); 32920253Sjoerg pwd->pw_change = expire; 33020253Sjoerg } 33120253Sjoerg } 33220267Sjoerg if ((arg = getarg(args, 'e')) != NULL) { 33320253Sjoerg if (*arg->val == '\0' || strcmp(arg->val, "0") == 0) 33420253Sjoerg pwd->pw_expire = 0; 33520253Sjoerg else { 33620253Sjoerg time_t now = time(NULL); 33720253Sjoerg time_t expire = parse_date(now, arg->val); 33820253Sjoerg 33920253Sjoerg if (now == expire) 34020267Sjoerg cmderr(EX_DATAERR, "Invalid account expiry date `%s'\n", arg->val); 34120253Sjoerg pwd->pw_expire = expire; 34220253Sjoerg } 34320253Sjoerg } 34420253Sjoerg if ((arg = getarg(args, 's')) != NULL) 34520253Sjoerg pwd->pw_shell = shell_path(cnf->shelldir, cnf->shells, arg->val); 34620253Sjoerg 34720253Sjoerg if (getarg(args, 'L')) 34820253Sjoerg pwd->pw_class = cnf->default_class; 34920253Sjoerg 35020267Sjoerg if ((arg = getarg(args, 'w')) != NULL && getarg(args, 'h') == NULL) 35120267Sjoerg pwd->pw_passwd = pw_password(cnf, args, pwd->pw_name); 35220267Sjoerg 35320253Sjoerg } else { 35420253Sjoerg if (a_name == NULL) /* Required */ 35520267Sjoerg cmderr(EX_DATAERR, "login name required\n"); 35620253Sjoerg else if ((pwd = getpwnam(a_name->val)) != NULL) /* Exists */ 35720267Sjoerg cmderr(EX_DATAERR, "login name `%s' already exists\n", a_name->val); 35820253Sjoerg 35920253Sjoerg /* 36020253Sjoerg * Now, set up defaults for a new user 36120253Sjoerg */ 36220253Sjoerg pwd = &fakeuser; 36320253Sjoerg pwd->pw_name = a_name->val; 36420253Sjoerg pwd->pw_class = cnf->default_class ? cnf->default_class : ""; 36520253Sjoerg pwd->pw_passwd = pw_password(cnf, args, pwd->pw_name); 36620253Sjoerg pwd->pw_uid = pw_uidpolicy(cnf, args); 36720253Sjoerg pwd->pw_gid = pw_gidpolicy(cnf, args, pwd->pw_name, (gid_t) pwd->pw_uid); 36820253Sjoerg pwd->pw_change = pw_pwdpolicy(cnf, args); 36920253Sjoerg pwd->pw_expire = pw_exppolicy(cnf, args); 37020253Sjoerg pwd->pw_dir = pw_homepolicy(cnf, args, pwd->pw_name); 37120253Sjoerg pwd->pw_shell = pw_shellpolicy(cnf, args, NULL); 37220253Sjoerg 37320253Sjoerg if (pwd->pw_uid == 0 && strcmp(pwd->pw_name, "root") != 0) 37420253Sjoerg fprintf(stderr, "WARNING: new account `%s' has a uid of 0 (superuser access!)\n", pwd->pw_name); 37520253Sjoerg } 37620253Sjoerg 37720253Sjoerg /* 37820253Sjoerg * Shared add/edit code 37920253Sjoerg */ 38020253Sjoerg if ((arg = getarg(args, 'c')) != NULL) 38120679Sdavidn pwd->pw_gecos = pw_checkname((u_char *)arg->val, 1); 38220253Sjoerg 38320253Sjoerg if ((arg = getarg(args, 'h')) != NULL) { 38420253Sjoerg if (strcmp(arg->val, "-") == 0) 38520253Sjoerg pwd->pw_passwd = "*"; /* No access */ 38620253Sjoerg else { 38720253Sjoerg int fd = atoi(arg->val); 38820253Sjoerg int b; 38920253Sjoerg int istty = isatty(fd); 39020253Sjoerg struct termios t; 39120253Sjoerg 39220253Sjoerg if (istty) { 39320253Sjoerg if (tcgetattr(fd, &t) == -1) 39420253Sjoerg istty = 0; 39520253Sjoerg else { 39620253Sjoerg struct termios n = t; 39720253Sjoerg 39820253Sjoerg /* Disable echo */ 39920253Sjoerg n.c_lflag &= ~(ECHO); 40020253Sjoerg tcsetattr(fd, TCSANOW, &n); 40120253Sjoerg printf("%sassword for user %s:", (mode == M_UPDATE) ? "New p" : "P", pwd->pw_name); 40220253Sjoerg fflush(stdout); 40320253Sjoerg } 40420253Sjoerg } 40520253Sjoerg b = read(fd, line, sizeof(line) - 1); 40620253Sjoerg if (istty) { /* Restore state */ 40720253Sjoerg tcsetattr(fd, TCSANOW, &t); 40820253Sjoerg fputc('\n', stdout); 40920253Sjoerg fflush(stdout); 41020253Sjoerg } 41120253Sjoerg if (b < 0) { 41220253Sjoerg perror("-h file descriptor"); 41320267Sjoerg return EX_IOERR; 41420253Sjoerg } 41520253Sjoerg line[b] = '\0'; 41620253Sjoerg if ((p = strpbrk(line, " \t\r\n")) != NULL) 41720253Sjoerg *p = '\0'; 41820253Sjoerg if (!*line) 41920267Sjoerg cmderr(EX_DATAERR, "empty password read on file descriptor %d\n", fd); 42020253Sjoerg pwd->pw_passwd = pw_pwcrypt(line); 42120253Sjoerg } 42220253Sjoerg } 42320267Sjoerg 42420267Sjoerg /* 42520267Sjoerg * Special case: -N only displays & exits 42620267Sjoerg */ 42720267Sjoerg if (getarg(args, 'N') != NULL) 42820267Sjoerg return print_user(pwd, getarg(args, 'P') != NULL); 42920267Sjoerg 43020253Sjoerg if ((mode == M_ADD && !addpwent(pwd)) || 43120253Sjoerg (mode == M_UPDATE && !chgpwent(a_name->val, pwd))) { 43220253Sjoerg perror("password update"); 43320267Sjoerg return EX_IOERR; 43420253Sjoerg } 43520253Sjoerg /* 43620253Sjoerg * Ok, user is created or changed - now edit group file 43720253Sjoerg */ 43820253Sjoerg 43920253Sjoerg if (mode == M_ADD || getarg(args, 'G') != NULL) 44020253Sjoerg editgroups(pwd->pw_name, cnf->groups); 44120253Sjoerg 44220253Sjoerg /* pwd may have been invalidated */ 44320253Sjoerg if ((pwd = getpwnam(a_name->val)) == NULL) 44420267Sjoerg cmderr(EX_NOUSER, "user '%s' disappeared during update\n", a_name->val); 44520253Sjoerg 44620253Sjoerg grp = getgrgid(pwd->pw_gid); 44720253Sjoerg pw_log(cnf, mode, W_USER, "%s(%ld):%s(%d):%s:%s:%s", 44820253Sjoerg pwd->pw_name, (long) pwd->pw_uid, 44920253Sjoerg grp ? grp->gr_name : "unknown", (long) (grp ? grp->gr_gid : -1), 45020253Sjoerg pwd->pw_gecos, pwd->pw_dir, pwd->pw_shell); 45120253Sjoerg 45220253Sjoerg /* 45320253Sjoerg * If adding, let's touch and chown the user's mail file. This is not 45420253Sjoerg * strictly necessary under BSD with a 0755 maildir but it also 45520253Sjoerg * doesn't hurt anything to create the empty mailfile 45620253Sjoerg */ 45720253Sjoerg if (mode == M_ADD) { 45820253Sjoerg FILE *fp; 45920253Sjoerg 46020253Sjoerg sprintf(line, "%s/%s", _PATH_MAILDIR, pwd->pw_name); 46120253Sjoerg close(open(line, O_RDWR | O_CREAT, 0600)); /* Preserve contents & 46220253Sjoerg * mtime */ 46320253Sjoerg chown(line, pwd->pw_uid, pwd->pw_gid); 46420253Sjoerg 46520253Sjoerg /* 46620253Sjoerg * Send mail to the new user as well, if we are asked to 46720253Sjoerg */ 46820253Sjoerg if (cnf->newmail && *cnf->newmail && (fp = fopen(cnf->newmail, "r")) != NULL) { 46920253Sjoerg FILE *pfp = popen(_PATH_SENDMAIL " -t", "w"); 47020253Sjoerg 47120253Sjoerg if (pfp == NULL) 47220253Sjoerg perror("sendmail"); 47320253Sjoerg else { 47420253Sjoerg fprintf(pfp, "From: root\n" "To: %s\n" "Subject: Welcome!\n\n", pwd->pw_name); 47520253Sjoerg while (fgets(line, sizeof(line), fp) != NULL) { 47620253Sjoerg /* Do substitutions? */ 47720253Sjoerg fputs(line, pfp); 47820253Sjoerg } 47920253Sjoerg pclose(pfp); 48020253Sjoerg pw_log(cnf, mode, W_USER, "%s(%ld) new user mail sent", 48120253Sjoerg pwd->pw_name, (long) pwd->pw_uid); 48220253Sjoerg } 48320253Sjoerg fclose(fp); 48420253Sjoerg } 48520253Sjoerg } 48620253Sjoerg /* 48720253Sjoerg * Finally, let's create and populate the user's home directory. Note 48820253Sjoerg * that this also `works' for editing users if -m is used, but 48920253Sjoerg * existing files will *not* be overwritten. 49020253Sjoerg */ 49120253Sjoerg if (getarg(args, 'm') != NULL && pwd->pw_dir && *pwd->pw_dir == '/' && pwd->pw_dir[1]) { 49220253Sjoerg copymkdir(pwd->pw_dir, cnf->dotdir, 0755, pwd->pw_uid, pwd->pw_gid); 49320253Sjoerg pw_log(cnf, mode, W_USER, "%s(%ld) home %s made", 49420253Sjoerg pwd->pw_name, (long) pwd->pw_uid, pwd->pw_dir); 49520253Sjoerg } 49620267Sjoerg return EXIT_SUCCESS; 49720253Sjoerg} 49820253Sjoerg 49920253Sjoerg 50020253Sjoergstatic uid_t 50120253Sjoergpw_uidpolicy(struct userconf * cnf, struct cargs * args) 50220253Sjoerg{ 50320253Sjoerg struct passwd *pwd; 50420253Sjoerg uid_t uid = (uid_t) - 1; 50520253Sjoerg struct carg *a_uid = getarg(args, 'u'); 50620253Sjoerg 50720253Sjoerg /* 50820253Sjoerg * Check the given uid, if any 50920253Sjoerg */ 51020253Sjoerg if (a_uid != NULL) { 51120253Sjoerg uid = (uid_t) atol(a_uid->val); 51220253Sjoerg 51320253Sjoerg if ((pwd = getpwuid(uid)) != NULL && getarg(args, 'o') == NULL) 51420267Sjoerg cmderr(EX_DATAERR, "uid `%ld' has already been allocated\n", (long) pwd->pw_uid); 51520253Sjoerg } else { 51620253Sjoerg struct bitmap bm; 51720253Sjoerg 51820253Sjoerg /* 51920253Sjoerg * We need to allocate the next available uid under one of 52020253Sjoerg * two policies a) Grab the first unused uid b) Grab the 52120253Sjoerg * highest possible unused uid 52220253Sjoerg */ 52320253Sjoerg if (cnf->min_uid >= cnf->max_uid) { /* Sanity 52420253Sjoerg * claus^H^H^H^Hheck */ 52520253Sjoerg cnf->min_uid = 1000; 52620253Sjoerg cnf->max_uid = 32000; 52720253Sjoerg } 52820253Sjoerg bm = bm_alloc(cnf->max_uid - cnf->min_uid + 1); 52920253Sjoerg 53020253Sjoerg /* 53120253Sjoerg * Now, let's fill the bitmap from the password file 53220253Sjoerg */ 53320253Sjoerg setpwent(); 53420253Sjoerg while ((pwd = getpwent()) != NULL) 53520253Sjoerg if (pwd->pw_uid >= (int) cnf->min_uid && pwd->pw_uid <= (int) cnf->max_uid) 53620253Sjoerg bm_setbit(&bm, pwd->pw_uid - cnf->min_uid); 53720253Sjoerg endpwent(); 53820253Sjoerg 53920253Sjoerg /* 54020253Sjoerg * Then apply the policy, with fallback to reuse if necessary 54120253Sjoerg */ 54220253Sjoerg if (cnf->reuse_uids || (uid = (uid_t) (bm_lastset(&bm) + cnf->min_uid + 1)) > cnf->max_uid) 54320253Sjoerg uid = (uid_t) (bm_firstunset(&bm) + cnf->min_uid); 54420253Sjoerg 54520253Sjoerg /* 54620253Sjoerg * Another sanity check 54720253Sjoerg */ 54820253Sjoerg if (uid < cnf->min_uid || uid > cnf->max_uid) 54920267Sjoerg cmderr(EX_SOFTWARE, "unable to allocate a new uid - range fully used\n"); 55020253Sjoerg bm_dealloc(&bm); 55120253Sjoerg } 55220253Sjoerg return uid; 55320253Sjoerg} 55420253Sjoerg 55520253Sjoerg 55620253Sjoergstatic uid_t 55720253Sjoergpw_gidpolicy(struct userconf * cnf, struct cargs * args, char *nam, gid_t prefer) 55820253Sjoerg{ 55920253Sjoerg struct group *grp; 56020253Sjoerg gid_t gid = (uid_t) - 1; 56120253Sjoerg struct carg *a_gid = getarg(args, 'g'); 56220253Sjoerg 56320253Sjoerg /* 56420253Sjoerg * If no arg given, see if default can help out 56520253Sjoerg */ 56620253Sjoerg if (a_gid == NULL && cnf->default_group && *cnf->default_group) 56720253Sjoerg a_gid = addarg(args, 'g', cnf->default_group); 56820253Sjoerg 56920253Sjoerg /* 57020253Sjoerg * Check the given gid, if any 57120253Sjoerg */ 57220267Sjoerg setgrent(); 57320253Sjoerg if (a_gid != NULL) { 57420253Sjoerg if ((grp = getgrnam(a_gid->val)) == NULL) { 57520253Sjoerg gid = (gid_t) atol(a_gid->val); 57620253Sjoerg if ((gid == 0 && !isdigit(*a_gid->val)) || (grp = getgrgid(gid)) == NULL) 57720267Sjoerg cmderr(EX_NOUSER, "group `%s' is not defined\n", a_gid->val); 57820253Sjoerg } 57920253Sjoerg gid = grp->gr_gid; 58020267Sjoerg } else if ((grp = getgrnam(nam)) != NULL && grp->gr_mem[0] == NULL) { 58120267Sjoerg gid = grp->gr_gid; /* Already created? Use it anyway... */ 58220253Sjoerg } else { 58320253Sjoerg struct cargs grpargs; 58420253Sjoerg char tmp[32]; 58520253Sjoerg 58620253Sjoerg LIST_INIT(&grpargs); 58720253Sjoerg addarg(&grpargs, 'n', nam); 58820253Sjoerg 58920253Sjoerg /* 59020253Sjoerg * We need to auto-create a group with the user's name. We 59120253Sjoerg * can send all the appropriate output to our sister routine 59220253Sjoerg * bit first see if we can create a group with gid==uid so we 59320253Sjoerg * can keep the user and group ids in sync. We purposely do 59420253Sjoerg * NOT check the gid range if we can force the sync. If the 59520253Sjoerg * user's name dups an existing group, then the group add 59620253Sjoerg * function will happily handle that case for us and exit. 59720253Sjoerg */ 59820253Sjoerg if (getgrgid(prefer) == NULL) { 59920253Sjoerg sprintf(tmp, "%lu", (unsigned long) prefer); 60020253Sjoerg addarg(&grpargs, 'g', tmp); 60120253Sjoerg } 60220267Sjoerg if (getarg(args, 'N')) 60320267Sjoerg { 60420267Sjoerg addarg(&grpargs, 'N', NULL); 60520267Sjoerg addarg(&grpargs, 'q', NULL); 60620267Sjoerg gid = pw_group(cnf, M_NEXT, &grpargs); 60720267Sjoerg } 60820267Sjoerg else 60920267Sjoerg { 61020267Sjoerg pw_group(cnf, M_ADD, &grpargs); 61120267Sjoerg if ((grp = getgrnam(nam)) != NULL) 61220267Sjoerg gid = grp->gr_gid; 61320267Sjoerg } 61420253Sjoerg a_gid = grpargs.lh_first; 61520253Sjoerg while (a_gid != NULL) { 61620253Sjoerg struct carg *t = a_gid->list.le_next; 61720253Sjoerg LIST_REMOVE(a_gid, list); 61820253Sjoerg a_gid = t; 61920253Sjoerg } 62020253Sjoerg } 62120267Sjoerg endgrent(); 62220253Sjoerg return gid; 62320253Sjoerg} 62420253Sjoerg 62520253Sjoerg 62620253Sjoergstatic time_t 62720253Sjoergpw_pwdpolicy(struct userconf * cnf, struct cargs * args) 62820253Sjoerg{ 62920253Sjoerg time_t result = 0; 63020253Sjoerg time_t now = time(NULL); 63120253Sjoerg struct carg *arg = getarg(args, 'e'); 63220253Sjoerg 63320253Sjoerg if (arg != NULL) { 63420253Sjoerg if ((result = parse_date(now, arg->val)) == now) 63520267Sjoerg cmderr(EX_DATAERR, "invalid date/time `%s'\n", arg->val); 63620253Sjoerg } else if (cnf->password_days > 0) 63720253Sjoerg result = now + ((long) cnf->password_days * 86400L); 63820253Sjoerg return result; 63920253Sjoerg} 64020253Sjoerg 64120253Sjoerg 64220253Sjoergstatic time_t 64320253Sjoergpw_exppolicy(struct userconf * cnf, struct cargs * args) 64420253Sjoerg{ 64520253Sjoerg time_t result = 0; 64620253Sjoerg time_t now = time(NULL); 64720253Sjoerg struct carg *arg = getarg(args, 'e'); 64820253Sjoerg 64920253Sjoerg if (arg != NULL) { 65020253Sjoerg if ((result = parse_date(now, arg->val)) == now) 65120267Sjoerg cmderr(EX_DATAERR, "invalid date/time `%s'\n", arg->val); 65220253Sjoerg } else if (cnf->expire_days > 0) 65320253Sjoerg result = now + ((long) cnf->expire_days * 86400L); 65420253Sjoerg return result; 65520253Sjoerg} 65620253Sjoerg 65720253Sjoerg 65820253Sjoergstatic char * 65920253Sjoergpw_homepolicy(struct userconf * cnf, struct cargs * args, char const * user) 66020253Sjoerg{ 66120253Sjoerg struct carg *arg = getarg(args, 'd'); 66220253Sjoerg 66320253Sjoerg if (arg) 66420253Sjoerg return arg->val; 66520253Sjoerg else { 66620253Sjoerg static char home[128]; 66720253Sjoerg 66820253Sjoerg if (cnf->home == NULL || *cnf->home == '\0') 66920267Sjoerg cmderr(EX_CONFIG, "no base home directory set\n"); 67020253Sjoerg sprintf(home, "%s/%s", cnf->home, user); 67120253Sjoerg return home; 67220253Sjoerg } 67320253Sjoerg} 67420253Sjoerg 67520253Sjoergstatic char * 67620253Sjoergshell_path(char const * path, char *shells[], char *sh) 67720253Sjoerg{ 67820253Sjoerg if (sh != NULL && (*sh == '/' || *sh == '\0')) 67920253Sjoerg return sh; /* specified full path or forced none */ 68020253Sjoerg else { 68120253Sjoerg char *p; 68220253Sjoerg char paths[_UC_MAXLINE]; 68320253Sjoerg 68420253Sjoerg /* 68520253Sjoerg * We need to search paths 68620253Sjoerg */ 68720253Sjoerg strncpy(paths, path, sizeof paths); 68820253Sjoerg paths[sizeof paths - 1] = '\0'; 68920253Sjoerg for (p = strtok(paths, ": \t\r\n"); p != NULL; p = strtok(NULL, ": \t\r\n")) { 69020253Sjoerg int i; 69120253Sjoerg static char shellpath[256]; 69220253Sjoerg 69320253Sjoerg if (sh != NULL) { 69420253Sjoerg sprintf(shellpath, "%s/%s", p, sh); 69520253Sjoerg if (access(shellpath, X_OK) == 0) 69620253Sjoerg return shellpath; 69720253Sjoerg } else 69820253Sjoerg for (i = 0; i < _UC_MAXSHELLS && shells[i] != NULL; i++) { 69920253Sjoerg sprintf(shellpath, "%s/%s", p, shells[i]); 70020253Sjoerg if (access(shellpath, X_OK) == 0) 70120253Sjoerg return shellpath; 70220253Sjoerg } 70320253Sjoerg } 70420253Sjoerg if (sh == NULL) 70520267Sjoerg cmderr(EX_OSFILE, "can't find shell `%s' in shell paths\n", sh); 70620267Sjoerg cmderr(EX_CONFIG, "no default shell available or defined\n"); 70720253Sjoerg return NULL; 70820253Sjoerg } 70920253Sjoerg} 71020253Sjoerg 71120253Sjoerg 71220253Sjoergstatic char * 71320253Sjoergpw_shellpolicy(struct userconf * cnf, struct cargs * args, char *newshell) 71420253Sjoerg{ 71520253Sjoerg char *sh = newshell; 71620253Sjoerg struct carg *arg = getarg(args, 's'); 71720253Sjoerg 71820253Sjoerg if (newshell == NULL && arg != NULL) 71920253Sjoerg sh = arg->val; 72020253Sjoerg return shell_path(cnf->shelldir, cnf->shells, sh ? sh : cnf->shell_default); 72120253Sjoerg} 72220253Sjoerg 72320253Sjoergstatic char const chars[] = "0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ."; 72420253Sjoerg 72520253Sjoergchar * 72620253Sjoergpw_pwcrypt(char *password) 72720253Sjoerg{ 72820253Sjoerg int i; 72920253Sjoerg char salt[12]; 73020253Sjoerg 73120253Sjoerg static char buf[256]; 73220253Sjoerg 73320253Sjoerg /* 73420253Sjoerg * Calculate a salt value 73520253Sjoerg */ 73620555Sdavidn srandom((unsigned) (time(NULL) ^ getpid())); 73720253Sjoerg for (i = 0; i < 8; i++) 73820253Sjoerg salt[i] = chars[random() % 63]; 73920253Sjoerg salt[i] = '\0'; 74020253Sjoerg 74120253Sjoerg return strcpy(buf, crypt(password, salt)); 74220253Sjoerg} 74320253Sjoerg 74420590Sdavidn#if defined(__FreeBSD__) 74520590Sdavidn 74620590Sdavidn#if defined(USE_MD5RAND) 74720555Sdavidnu_char * 74820590Sdavidnpw_getrand(u_char *buf, int len) /* cryptographically secure rng */ 74920555Sdavidn{ 75020590Sdavidn int i; 75120590Sdavidn for (i=0;i<len;i+=16) { 75220590Sdavidn u_char ubuf[16]; 75320590Sdavidn 75420590Sdavidn MD5_CTX md5_ctx; 75520590Sdavidn struct timeval tv, tvo; 75620590Sdavidn struct rusage ru; 75720590Sdavidn int n=0; 75820590Sdavidn int t; 75920590Sdavidn 76020590Sdavidn MD5Init (&md5_ctx); 76120590Sdavidn t=getpid(); 76220590Sdavidn MD5Update (&md5_ctx, (u_char*)&t, sizeof t); 76320590Sdavidn t=getppid(); 76420590Sdavidn MD5Update (&md5_ctx, (u_char*)&t, sizeof t); 76520590Sdavidn gettimeofday (&tvo, NULL); 76620590Sdavidn do { 76720590Sdavidn getrusage (RUSAGE_SELF, &ru); 76820590Sdavidn MD5Update (&md5_ctx, (u_char*)&ru, sizeof ru); 76920590Sdavidn gettimeofday (&tv, NULL); 77020590Sdavidn MD5Update (&md5_ctx, (u_char*)&tv, sizeof tv); 77120590Sdavidn } while (n++<20 || tv.tv_usec-tvo.tv_usec<100*1000); 77220590Sdavidn MD5Final (ubuf, &md5_ctx); 77320590Sdavidn memcpy(buf+i, ubuf, MIN(16, len-n)); 77420590Sdavidn } 77520590Sdavidn return buf; 77620555Sdavidn} 77720253Sjoerg 77820590Sdavidn#else /* Use random device (preferred) */ 77920590Sdavidn 78020555Sdavidnstatic u_char * 78120555Sdavidnpw_getrand(u_char *buf, int len) 78220555Sdavidn{ 78320555Sdavidn int fd; 78420555Sdavidn fd = open("/dev/urandom", O_RDONLY); 78520590Sdavidn if (fd==-1) 78620590Sdavidn cmderr(EX_OSFILE, "can't open /dev/urandom: %s\n", strerror(errno)); 78720590Sdavidn else if (read(fd, buf, len)!=len) 78820590Sdavidn cmderr(EX_IOERR, "read error on /dev/urandom\n"); 78920555Sdavidn close(fd); 79020555Sdavidn return buf; 79120555Sdavidn} 79220555Sdavidn 79320590Sdavidn#endif 79420590Sdavidn 79520590Sdavidn#else /* Portable version */ 79620590Sdavidn 79720590Sdavidnstatic u_char * 79820590Sdavidnpw_getrand(u_char *buf, int len) 79920590Sdavidn{ 80020590Sdavidn int i; 80120590Sdavidn 80220590Sdavidn for (i = 0; i < len; i++) { 80320590Sdavidn unsigned val = random(); 80420590Sdavidn /* Use all bits in the random value */ 80520590Sdavidn buf[i]=(u_char)((val >> 24) ^ (val >> 16) ^ (val >> 8) ^ val); 80620590Sdavidn } 80720590Sdavidn return buf; 80820590Sdavidn} 80920590Sdavidn 81020590Sdavidn#endif 81120590Sdavidn 81220253Sjoergstatic char * 81320253Sjoergpw_password(struct userconf * cnf, struct cargs * args, char const * user) 81420253Sjoerg{ 81520253Sjoerg int i, l; 81620253Sjoerg char pwbuf[32]; 81720555Sdavidn u_char rndbuf[sizeof pwbuf]; 81820253Sjoerg 81920253Sjoerg switch (cnf->default_password) { 82020253Sjoerg case -1: /* Random password */ 82120555Sdavidn srandom((unsigned) (time(NULL) ^ getpid())); 82220253Sjoerg l = (random() % 8 + 8); /* 8 - 16 chars */ 82320555Sdavidn pw_getrand(rndbuf, l); 82420253Sjoerg for (i = 0; i < l; i++) 82520555Sdavidn pwbuf[i] = chars[rndbuf[i] % sizeof(chars)]; 82620253Sjoerg pwbuf[i] = '\0'; 82720253Sjoerg 82820253Sjoerg /* 82920253Sjoerg * We give this information back to the user 83020253Sjoerg */ 83120267Sjoerg if (getarg(args, 'h') == NULL && getarg(args, 'N') == NULL) { 83220712Sdavidn if (isatty(1)) 83320712Sdavidn printf("Password for '%s' is: ", user); 83420253Sjoerg printf("%s\n", pwbuf); 83520253Sjoerg fflush(stdout); 83620253Sjoerg } 83720253Sjoerg break; 83820253Sjoerg 83920253Sjoerg case -2: /* No password at all! */ 84020253Sjoerg return ""; 84120253Sjoerg 84220253Sjoerg case 0: /* No login - default */ 84320253Sjoerg default: 84420253Sjoerg return "*"; 84520253Sjoerg 84620253Sjoerg case 1: /* user's name */ 84720253Sjoerg strncpy(pwbuf, user, sizeof pwbuf); 84820253Sjoerg pwbuf[sizeof pwbuf - 1] = '\0'; 84920253Sjoerg break; 85020253Sjoerg } 85120253Sjoerg return pw_pwcrypt(pwbuf); 85220253Sjoerg} 85320253Sjoerg 85420253Sjoerg 85520253Sjoergstatic int 85620253Sjoergprint_user(struct passwd * pwd, int pretty) 85720253Sjoerg{ 85820253Sjoerg if (!pretty) { 85920253Sjoerg char buf[_UC_MAXLINE]; 86020253Sjoerg 86120253Sjoerg fmtpwent(buf, pwd); 86220253Sjoerg fputs(buf, stdout); 86320253Sjoerg } else { 86420267Sjoerg int j; 86520253Sjoerg char *p; 86620253Sjoerg struct group *grp = getgrgid(pwd->pw_gid); 86720253Sjoerg char uname[60] = "User &", office[60] = "[None]", 86820253Sjoerg wphone[60] = "[None]", hphone[60] = "[None]"; 86920590Sdavidn char acexpire[32] = "[None]", pwexpire[32] = "[None]"; 87020590Sdavidn struct tm * tptr; 87120253Sjoerg 87220253Sjoerg if ((p = strtok(pwd->pw_gecos, ",")) != NULL) { 87320253Sjoerg strncpy(uname, p, sizeof uname); 87420253Sjoerg uname[sizeof uname - 1] = '\0'; 87520253Sjoerg if ((p = strtok(NULL, ",")) != NULL) { 87620253Sjoerg strncpy(office, p, sizeof office); 87720253Sjoerg office[sizeof office - 1] = '\0'; 87820253Sjoerg if ((p = strtok(NULL, ",")) != NULL) { 87920253Sjoerg strncpy(wphone, p, sizeof wphone); 88020253Sjoerg wphone[sizeof wphone - 1] = '\0'; 88120253Sjoerg if ((p = strtok(NULL, "")) != NULL) { 88220253Sjoerg strncpy(hphone, p, sizeof hphone); 88320253Sjoerg hphone[sizeof hphone - 1] = '\0'; 88420253Sjoerg } 88520253Sjoerg } 88620253Sjoerg } 88720253Sjoerg } 88820253Sjoerg /* 88920253Sjoerg * Handle '&' in gecos field 89020253Sjoerg */ 89120253Sjoerg if ((p = strchr(uname, '&')) != NULL) { 89220253Sjoerg int l = strlen(pwd->pw_name); 89320253Sjoerg int m = strlen(p); 89420253Sjoerg 89520253Sjoerg memmove(p + l, p + 1, m); 89620253Sjoerg memmove(p, pwd->pw_name, l); 89720253Sjoerg *p = (char) toupper(*p); 89820253Sjoerg } 89920590Sdavidn if (pwd->pw_expire > (time_t)0 && (tptr = localtime(&pwd->pw_expire)) != NULL) 90020590Sdavidn strftime(acexpire, sizeof acexpire, "%c", tptr); 90120590Sdavidn if (pwd->pw_change > (time_t)9 && (tptr = localtime(&pwd->pw_change)) != NULL) 90220590Sdavidn strftime(pwexpire, sizeof pwexpire, "%c", tptr); 90320253Sjoerg printf("Login Name : %-10s #%-22ld Group : %-10s #%ld\n" 90420253Sjoerg " Full Name : %s\n" 90520253Sjoerg " Home : %-32.32s Class : %s\n" 90620253Sjoerg " Shell : %-32.32s Office : %s\n" 90720590Sdavidn "Work Phone : %-32.32s Home Phone : %s\n" 90820590Sdavidn "Acc Expire : %-32.32s Pwd Expire : %s\n", 90920253Sjoerg pwd->pw_name, (long) pwd->pw_uid, 91020253Sjoerg grp ? grp->gr_name : "(invalid)", (long) pwd->pw_gid, 91120253Sjoerg uname, pwd->pw_dir, pwd->pw_class, 91220590Sdavidn pwd->pw_shell, office, wphone, hphone, 91320590Sdavidn acexpire, pwexpire); 91420267Sjoerg setgrent(); 91520267Sjoerg j = 0; 91620267Sjoerg while ((grp=getgrent()) != NULL) 91720267Sjoerg { 91820267Sjoerg int i = 0; 91920267Sjoerg while (i < _UC_MAXGROUPS && grp->gr_mem[i] != NULL) 92020267Sjoerg { 92120267Sjoerg if (strcmp(grp->gr_mem[i], pwd->pw_name)==0) 92220267Sjoerg { 92320267Sjoerg printf(j++ == 0 ? " Groups : %s" : ",%s", grp->gr_name); 92420267Sjoerg break; 92520267Sjoerg } 92620267Sjoerg ++i; 92720267Sjoerg } 92820267Sjoerg } 92920267Sjoerg endgrent(); 93020267Sjoerg printf("%s\n", j ? "\n" : ""); 93120253Sjoerg } 93220267Sjoerg return EXIT_SUCCESS; 93320253Sjoerg} 93420253Sjoerg 93520679Sdavidnchar * 93620679Sdavidnpw_checkname(u_char *name, int gecos) 93720253Sjoerg{ 93820253Sjoerg int l = 0; 93920325Sjoerg char const *notch = gecos ? ":" : " ,\t:+-&#%$^()!@~*?<>=|\\/\""; 94020253Sjoerg 94120253Sjoerg while (name[l]) { 94220679Sdavidn if (strchr(notch, name[l]) != NULL || name[l] < ' ' || 94320679Sdavidn name[l] == 127 || (!gecos && name[l] & 0x80)) /* 8-bit */ 94420679Sdavidn cmderr(EX_DATAERR, (name[l]<' ' || name[l] > 126) 94520325Sjoerg ? "invalid character `%c' in field\n" 94620325Sjoerg : "invalid character 0x$02x in field\n", 94720325Sjoerg name[l]); 94820253Sjoerg ++l; 94920253Sjoerg } 95020325Sjoerg if (!gecos && l > MAXLOGNAME) 95120267Sjoerg cmderr(EX_DATAERR, "name too long `%s'\n", name); 95220679Sdavidn return (char *)name; 95320253Sjoerg} 95420253Sjoerg 95520253Sjoerg 95620253Sjoergstatic void 95720253Sjoergrmat(uid_t uid) 95820253Sjoerg{ 95920253Sjoerg DIR *d = opendir("/var/at/jobs"); 96020253Sjoerg 96120253Sjoerg if (d != NULL) { 96220253Sjoerg struct dirent *e; 96320253Sjoerg 96420253Sjoerg while ((e = readdir(d)) != NULL) { 96520253Sjoerg struct stat st; 96620253Sjoerg 96720253Sjoerg if (strncmp(e->d_name, ".lock", 5) != 0 && 96820253Sjoerg stat(e->d_name, &st) == 0 && 96920253Sjoerg !S_ISDIR(st.st_mode) && 97020253Sjoerg st.st_uid == uid) { 97120253Sjoerg char tmp[MAXPATHLEN]; 97220253Sjoerg 97320253Sjoerg sprintf(tmp, "/usr/bin/atrm %s", e->d_name); 97420253Sjoerg system(tmp); 97520253Sjoerg } 97620253Sjoerg } 97720253Sjoerg closedir(d); 97820253Sjoerg } 97920253Sjoerg} 980