1 /*
2 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
3 *
4 * Copyright 2013 Olaf Wintermann. All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions are met:
8 *
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 *
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
17 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
20 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
26 * POSSIBILITY OF SUCH DAMAGE.
27 */
28
29 #ifndef WS_AUTH_H
30 #define WS_AUTH_H
31
32 #include <sys/types.h>
33
34 #ifdef __cplusplus
35 extern "C" {
36 #endif
37
38 #ifdef XP_WIN32
39 typedef int uid_t;
40 typedef int gid_t;
41 #endif
42
43 typedef struct auth_db AuthDB;
44 typedef struct user User;
45
46 /*
47 * get a user from the authentication database
48 *
49 * param1: authentication database
50 * param2: user
51 */
52 typedef User*(*authdb_get_user_f)(AuthDB*, char*);
53
54 struct auth_db {
55 char *name;
56 /* User* get_user(AuthDB *db, char *username) */
57 authdb_get_user_f get_user;
58 int use_cache;
59 };
60
61 /*
62 * verify the users password
63 * returns 1 if the password is correct, otherwise 0
64 *
65 * param1: user
66 * param2: password
67 */
68 typedef int(*user_verify_passwd_f)(User*, char*);
69
70 /*
71 * check if the user is a member of a given group
72 *
73 * param1: user
74 * param2: group
75 */
76 typedef int(*user_check_group_f)(User*, char*);
77
78 /*
79 * free the user object
80 */
81 typedef void(*user_free_f)(User*);
82
83 struct user {
84 char *name;
85 uid_t uid;
86 gid_t gid;
87 /* int verify_password(User *user, char *password) */
88 user_verify_passwd_f verify_password;
89 /* int check_group(User *user, char *group) */
90 user_check_group_f check_group;
91 /* void free(User*) */
92 user_free_f free;
93 };
94
95
96 User* authdb_get_user(AuthDB *db, char *user);
97 User* authdb_get_and_verify(AuthDB *db, char *user, char *password, int *pw);
98
99 #ifdef __cplusplus
100 }
101 #endif
102
103 #endif /* WS_AUTH_H */
104
105