1 /*- 2 * Copyright (c) 1996 by David L. Nugent <davidn@blaze.net.au>. 3 * 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 as 10 * the first lines of this file unmodified. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 3. All advertising materials mentioning features or use of this software 15 * must display the following acknowledgement: 16 * This product includes software developed by David L. Nugent. 17 * 4. The name of the author may not be used to endorse or promote products 18 * derived from this software without specific prior written permission. 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE DAVID L. NUGENT ``AS IS'' AND 21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 23 * ARE DISCLAIMED. IN NO EVENT SHALL DAVID L. NUGENT BE LIABLE 24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 30 * SUCH DAMAGE. 31 * 32 * $Id$ 33 */ 34 35 #include <stdio.h> 36 #include <stdlib.h> 37 #include <string.h> 38 #include <unistd.h> 39 #include <stdarg.h> 40 #include <errno.h> 41 #include <sys/types.h> 42 #include <sys/stat.h> 43 #include <pwd.h> 44 #include <grp.h> 45 #include <sys/queue.h> 46 #include <sysexits.h> 47 48 #include "psdate.h" 49 50 enum _mode 51 { 52 M_ADD, 53 M_DELETE, 54 M_UPDATE, 55 M_PRINT, 56 M_NEXT, 57 M_NUM 58 }; 59 60 enum _which 61 { 62 W_USER, 63 W_GROUP, 64 W_NUM 65 }; 66 67 struct carg 68 { 69 int ch; 70 char *val; 71 LIST_ENTRY(carg) list; 72 }; 73 74 extern LIST_HEAD(cargs, carg) arglist; 75 76 struct userconf 77 { 78 int default_password; /* Default password for new users? */ 79 int reuse_uids; /* Reuse uids? */ 80 int reuse_gids; /* Reuse gids? */ 81 char *dotdir; /* Where to obtain skeleton files */ 82 char *newmail; /* Mail to send to new accounts */ 83 char *logfile; /* Where to log changes */ 84 char *home; /* Where to create home directory */ 85 char *shelldir; /* Where shells are located */ 86 char **shells; /* List of shells */ 87 char *shell_default; /* Default shell */ 88 char *default_group; /* Default group number */ 89 char **groups; /* Default (additional) groups */ 90 char *default_class; /* Default user class */ 91 uid_t min_uid, max_uid; /* Allowed range of uids */ 92 gid_t min_gid, max_gid; /* Allowed range of gids */ 93 int expire_days; /* Days to expiry */ 94 int password_days; /* Days to password expiry */ 95 }; 96 97 #define _PATH_PW_CONF "/etc/pw.conf" 98 #define _UC_MAXLINE 1024 99 #define _UC_MAXSHELLS 32 100 #define _UC_MAXGROUPS 200 101 102 struct userconf *read_userconfig(char const * file); 103 int write_userconfig(char const * file); 104 struct carg *addarg(struct cargs * _args, int ch, char *argstr); 105 struct carg *getarg(struct cargs * _args, int ch); 106 void cmderr(int ec, char const * fmt,...); 107 108 int pw_user(struct userconf * cnf, int mode, struct cargs * _args); 109 int pw_group(struct userconf * cnf, int mode, struct cargs * _args); 110 111 int addpwent(struct passwd * pwd); 112 int delpwent(struct passwd * pwd); 113 int chgpwent(char const * login, struct passwd * pwd); 114 int fmtpwent(char *buf, struct passwd * pwd); 115 116 int addgrent(struct group * grp); 117 int delgrent(struct group * grp); 118 int chggrent(char const * login, struct group * grp); 119 int fmtgrent(char *buf, struct group * grp); 120 121 int boolean_val(char const * str, int dflt); 122 char const *boolean_str(int val); 123 char *newstr(char const * p); 124 125 void pw_log(struct userconf * cnf, int mode, int which, char const * fmt,...); 126 char *pw_pwcrypt(char *password); 127 128 extern const char *Modes[]; 129 extern const char *Which[]; 130