xref: /freebsd/usr.sbin/pw/pw.h (revision 735e7a1ab2e08eec06db063cd694e888a34263f3)
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  * $FreeBSD$
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 _PATH_PW_CONF	"/etc/pw.conf"
99 #define _UC_MAXLINE	1024
100 #define _UC_MAXSHELLS	32
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 
107 int pw_user(struct userconf * cnf, int mode, struct cargs * _args);
108 int pw_group(struct userconf * cnf, int mode, struct cargs * _args);
109 char    *pw_checkname(u_char *name, int gecos);
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 addnispwent(const char *path, struct passwd *pwd);
117 int delnispwent(const char *path, const char *login);
118 int chgnispwent(const char *path, const char *login, struct passwd *pwd);
119 
120 int addgrent(struct group * grp);
121 int delgrent(struct group * grp);
122 int chggrent(char const * login, struct group * grp);
123 
124 int boolean_val(char const * str, int dflt);
125 char const *boolean_str(int val);
126 char *newstr(char const * p);
127 
128 void pw_log(struct userconf * cnf, int mode, int which, char const * fmt,...) __printflike(4, 5);
129 char *pw_pwcrypt(char *password);
130 
131 extern const char *Modes[];
132 extern const char *Which[];
133