xref: /dragonfly/usr.sbin/pw/pw.h (revision c1967b0a27a332710162c9a05add4673566bafc2)
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  * $FreeBSD: src/usr.sbin/pw/pw.h,v 1.16 2011/03/08 20:13:29 jkim Exp $
27  */
28 
29 #include <stdio.h>
30 #include <stdlib.h>
31 #include <string.h>
32 #include <unistd.h>
33 #include <stdarg.h>
34 #include <errno.h>
35 #include <sys/types.h>
36 #include <sys/stat.h>
37 #include <sys/param.h>
38 #include <pwd.h>
39 #include <grp.h>
40 #include <sys/queue.h>
41 #include <sysexits.h>
42 
43 #include "psdate.h"
44 #include "pwupd.h"
45 
46 enum _mode
47 {
48         M_ADD,
49         M_DELETE,
50         M_UPDATE,
51         M_PRINT,
52           M_NEXT,
53           M_LOCK,
54           M_UNLOCK,
55         M_NUM
56 };
57 
58 enum _which
59 {
60         W_USER,
61         W_GROUP,
62         W_NUM
63 };
64 
65 struct carg
66 {
67           int                   ch;
68           char                  *val;
69           LIST_ENTRY(carg)  list;
70 };
71 
72 LIST_HEAD(cargs, carg);
73 
74 struct userconf
75 {
76           int       default_password;   /* Default password for new users? */
77           int       reuse_uids;                   /* Reuse uids? */
78           int       reuse_gids;                   /* Reuse gids? */
79           char      *nispasswd;                   /* Path to NIS version of the passwd file */
80           char      *dotdir;            /* Where to obtain skeleton files */
81           char      *newmail;           /* Mail to send to new accounts */
82           char      *logfile;           /* Where to log changes */
83           char      *home;                        /* Where to create home directory */
84           mode_t    homemode;           /* Home directory permissions */
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           int       numgroups;                    /* (internal) size of default_group array */
96 };
97 
98 #define   _DEF_DIRMODE        (S_IRWXU | S_IRWXG | S_IRWXO)
99 #define _PATH_PW_CONF         "/etc/pw.conf"
100 #define _UC_MAXLINE 1024
101 #define _UC_MAXSHELLS         32
102 
103 struct userconf *read_userconfig(char const * file);
104 int write_userconfig(char const * file);
105 struct carg *addarg(struct cargs * _args, int ch, char *argstr);
106 struct carg *getarg(struct cargs * _args, int ch);
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 char    *pw_checkname(u_char *name, int gecos);
111 
112 int addpwent(struct passwd * pwd);
113 int delpwent(struct passwd * pwd);
114 int chgpwent(char const * login, struct passwd * pwd);
115 int fmtpwent(char *buf, struct passwd * pwd);
116 
117 int addnispwent(const char *path, struct passwd *pwd);
118 int delnispwent(const char *path, const char *login);
119 int chgnispwent(const char *path, const char *login, struct passwd *pwd);
120 
121 int addgrent(struct group * grp);
122 int delgrent(struct group * grp);
123 int chggrent(char const * login, struct group * grp);
124 
125 int boolean_val(char const * str, int dflt);
126 char const *boolean_str(int val);
127 char *newstr(char const * p);
128 
129 void pw_log(struct userconf * cnf, int mode, int which, char const * fmt,...) __printflike(4, 5);
130 char *pw_pwcrypt(char *password);
131 
132 extern const char *Modes[];
133 extern const char *Which[];
134