1/*-
2 * Copyright (c) 1996 by
3 * Sean Eric Fagan <sef@kithrup.com>
4 * David Nugent <davidn@blaze.net.au>
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, is permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 *    notice immediately at the beginning of the file, without modification,
12 *    this list of conditions, and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 *    notice, this list of conditions and the following disclaimer in the
15 *    documentation and/or other materials provided with the distribution.
16 * 3. This work was done expressly for inclusion into FreeBSD.  Other use
17 *    is permitted provided this notation is included.
18 * 4. Absolutely no warranty of function or purpose is made by the authors.
19 * 5. Modifications may be freely made to this file providing the above
20 *    conditions are met.
21 *
22 * Low-level routines relating to the user capabilities database
23 *
24 *	Was login_cap.h,v 1.9 1997/05/07 20:00:01 eivind Exp
25 * $FreeBSD$
26 */
27
28#ifndef _LOGIN_CAP_H_
29#define _LOGIN_CAP_H_
30
31#define LOGIN_DEFCLASS		"default"
32#define LOGIN_DEFROOTCLASS	"root"
33#define LOGIN_MECLASS		"me"
34#define LOGIN_DEFSTYLE		"passwd"
35#define LOGIN_DEFSERVICE	"login"
36#define LOGIN_DEFUMASK		022
37#define LOGIN_DEFPRI		0
38#define _PATH_LOGIN_CONF	"/etc/login.conf"
39#define _FILE_LOGIN_CONF	".login_conf"
40#define _PATH_AUTHPROG		"/usr/libexec/login_"
41
42#define LOGIN_SETGROUP		0x0001		/* set group */
43#define LOGIN_SETLOGIN		0x0002		/* set login (via setlogin) */
44#define LOGIN_SETPATH		0x0004		/* set path */
45#define LOGIN_SETPRIORITY	0x0008		/* set priority */
46#define LOGIN_SETRESOURCES	0x0010		/* set resources (cputime, etc.) */
47#define LOGIN_SETUMASK		0x0020		/* set umask, obviously */
48#define LOGIN_SETUSER		0x0040		/* set user (via setuid) */
49#define LOGIN_SETENV		0x0080		/* set user environment */
50#define LOGIN_SETMAC		0x0100		/* set user default MAC label */
51#define LOGIN_SETCPUMASK	0x0200		/* set user cpumask */
52#define LOGIN_SETLOGINCLASS	0x0400		/* set login class in the kernel */
53#define LOGIN_SETALL		0x07ff		/* set everything */
54
55#define BI_AUTH		"authorize"		/* accepted authentication */
56#define BI_REJECT	"reject"		/* rejected authentication */
57#define BI_CHALLENG	"reject challenge"	/* reject with a challenge */
58#define BI_SILENT	"reject silent"		/* reject silently */
59#define BI_REMOVE	"remove"		/* remove file on error */
60#define BI_ROOTOKAY	"authorize root"	/* root authenticated */
61#define BI_SECURE	"authorize secure"	/* okay on non-secure line */
62#define BI_SETENV	"setenv"		/* set environment variable */
63#define BI_VALUE	"value"			/* set local variable */
64
65#define AUTH_OKAY		0x01		/* user authenticated */
66#define AUTH_ROOTOKAY		0x02		/* root login okay */
67#define AUTH_SECURE		0x04		/* secure login */
68#define AUTH_SILENT		0x08		/* silent rejection */
69#define AUTH_CHALLENGE		0x10		/* a chellenge was given */
70
71#define AUTH_ALLOW		(AUTH_OKAY | AUTH_ROOTOKAY | AUTH_SECURE)
72
73typedef struct login_cap {
74    char    *lc_class;
75    char    *lc_cap;
76    char    *lc_style;
77} login_cap_t;
78
79typedef struct login_time {
80    u_short     lt_start;	/* Start time */
81    u_short     lt_end;		/* End time */
82#define LTM_NONE  0x00
83#define LTM_SUN   0x01
84#define LTM_MON   0x02
85#define LTM_TUE   0x04
86#define LTM_WED   0x08
87#define LTM_THU   0x10
88#define LTM_FRI   0x20
89#define LTM_SAT   0x40
90#define LTM_ANY   0x7F
91#define LTM_WK    0x3E
92#define LTM_WD    0x41
93    u_char	 lt_dow;	/* Days of week */
94} login_time_t;
95
96#define LC_MAXTIMES 64
97
98#include <sys/cdefs.h>
99__BEGIN_DECLS
100struct passwd;
101
102void login_close(login_cap_t *);
103login_cap_t *login_getclassbyname(const char *, const struct passwd *);
104login_cap_t *login_getclass(const char *);
105login_cap_t *login_getpwclass(const struct passwd *);
106login_cap_t *login_getuserclass(const struct passwd *);
107
108const char *login_getcapstr(login_cap_t *, const char *, const char *,
109    const char *);
110const char **login_getcaplist(login_cap_t *, const char *, const char *);
111const char *login_getstyle(login_cap_t *, const char *, const char *);
112rlim_t login_getcaptime(login_cap_t *, const char *, rlim_t, rlim_t);
113rlim_t login_getcapnum(login_cap_t *, const char *, rlim_t, rlim_t);
114rlim_t login_getcapsize(login_cap_t *, const char *, rlim_t, rlim_t);
115const char *login_getpath(login_cap_t *, const char *, const char *);
116int login_getcapbool(login_cap_t *, const char *, int);
117const char *login_setcryptfmt(login_cap_t *, const char *, const char *);
118
119int setclasscontext(const char *, unsigned int);
120void setclasscpumask(login_cap_t *);
121int setusercontext(login_cap_t *, const struct passwd *, uid_t, unsigned int);
122void setclassresources(login_cap_t *);
123void setclassenvironment(login_cap_t *, const struct passwd *, int);
124
125/* Most of these functions are deprecated */
126int auth_approve(login_cap_t *, const char *, const char *);
127int auth_check(const char *, const char *, const char *, const char *, int *);
128void auth_env(void);
129char *auth_mkvalue(const char *);
130int auth_response(const char *, const char *, const char *, const char *, int *,
131    const char *, const char *);
132void auth_rmfiles(void);
133int auth_scan(int);
134int auth_script(const char *, ...);
135int auth_script_data(const char *, int, const char *, ...);
136char *auth_valud(const char *);
137int auth_setopt(const char *, const char *);
138void auth_clropts(void);
139
140void auth_checknologin(login_cap_t *);
141int auth_cat(const char *);
142
143int auth_ttyok(login_cap_t *, const char *);
144int auth_hostok(login_cap_t *, const char *, char const *);
145int auth_timeok(login_cap_t *, time_t);
146
147struct tm;
148
149login_time_t parse_lt(const char *);
150int in_lt(const login_time_t *, time_t *);
151int in_ltm(const login_time_t *, struct tm *, time_t *);
152int in_ltms(const login_time_t *, struct tm *, time_t *);
153int in_lts(const login_time_t *, time_t *);
154
155/* helper functions */
156
157int login_strinlist(const char **, char const *, int);
158int login_str2inlist(const char **, const char *, const char *, int);
159login_time_t * login_timelist(login_cap_t *, char const *, int *,
160    login_time_t **);
161int login_ttyok(login_cap_t *, const char *, const char *, const char *);
162int login_hostok(login_cap_t *, const char *, const char *, const char *,
163    const char *);
164
165__END_DECLS
166
167#endif /* _LOGIN_CAP_H_ */
168