pw/pw.h

   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
  47 #include "psdate.h"
  48
  49 enum _mode
  50 {
  51         M_ADD,
  52         M_DELETE,
  53         M_UPDATE,
  54         M_PRINT,
  55         M_NUM
  56 };
  57
  58 enum _which
  59 {
  60         W_USER,
  61         W_GROUP,
  62         W_NUM
  63 };
  64
  65 enum _excode
  66 {
  67         X_ALLOK,
  68         X_CMDERR,
  69         X_PERMERR,
  70         X_MEMERR,
  71         X_NOUPDATE,
  72         X_NOTFOUND,
  73         X_UPDERROR,
  74         X_TOOMANY,
  75         X_EXISTS,
  76         X_DBERROR,
  77         X_CONFIG
  78 };
  79
  80 struct carg
  81 {
  82         int               ch;
  83         char              *val;
  84         LIST_ENTRY(carg)  list;
  85 };
  86
  87 extern LIST_HEAD(cargs, carg) arglist;
  88
  89 struct userconf
  90 {
  91         int     default_password;       /* Default password for new users? */
  92         int     reuse_uids;             /* Reuse uids? */
  93         int     reuse_gids;             /* Reuse gids? */
  94         char    *dotdir;                /* Where to obtain skeleton files */
  95         char    *newmail;               /* Mail to send to new accounts */
  96         char    *logfile;               /* Where to log changes */
  97         char    *home;                  /* Where to create home directory */
  98         char    *shelldir;              /* Where shells are located */
  99         char    **shells;               /* List of shells */
 100         char    *shell_default;         /* Default shell */
 101         char    *default_group;         /* Default group number */
 102         char    **groups;               /* Default (additional) groups */
 103         char    *default_class;         /* Default user class */
 104         uid_t   min_uid, max_uid;       /* Allowed range of uids */
 105         gid_t   min_gid, max_gid;       /* Allowed range of gids */
 106         int     expire_days;            /* Days to expiry */
 107         int     password_days;          /* Days to password expiry */
 108 };
 109
 110 #define _PATH_PW_CONF   "/etc/pw.conf"
 111 #define _UC_MAXLINE     1024
 112 #define _UC_MAXSHELLS   32
 113 #define _UC_MAXGROUPS   200
 114
 115 struct userconf *read_userconfig(char const * file);
 116 int write_userconfig(char const * file);
 117 struct carg *addarg(struct cargs * _args, int ch, char *argstr);
 118 struct carg *getarg(struct cargs * _args, int ch);
 119 void cmderr(int ec, char const * fmt,...);
 120
 121 int pw_user(struct userconf * cnf, int mode, struct cargs * _args);
 122 int pw_group(struct userconf * cnf, int mode, struct cargs * _args);
 123
 124 int addpwent(struct passwd * pwd);
 125 int delpwent(struct passwd * pwd);
 126 int chgpwent(char const * login, struct passwd * pwd);
 127 int fmtpwent(char *buf, struct passwd * pwd);
 128
 129 int addgrent(struct group * grp);
 130 int delgrent(struct group * grp);
 131 int chggrent(char const * login, struct group * grp);
 132 int fmtgrent(char *buf, struct group * grp);
 133
 134 int boolean_val(char const * str, int dflt);
 135 char const *boolean_str(int val);
 136 char *newstr(char const * p);
 137
 138 void pw_log(struct userconf * cnf, int mode, int which, char const * fmt,...);
 139 char *pw_pwcrypt(char *password);
 140
 141 extern const char *Modes[];
 142 extern const char *Which[];