1 /*
2 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
3 *
4 * Copyright 2018 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 #include "nsapi.h"
35
36 #ifdef __cplusplus
37 extern "C" {
38 #endif
39
40 #ifdef XP_WIN32
41 typedef int uid_t;
42 typedef int gid_t;
43 #endif
44
45 typedef struct auth_db AuthDB;
46 typedef struct user User;
47
48 /*
49 * get a user from the authentication database
50 *
51 * param1: authentication database
52 * param2: user
53 */
54 typedef User*(*authdb_get_user_f)(AuthDB*, Session*, Request*, const char*);
55
56 struct auth_db {
57 char *name;
58 /* User* get_user(AuthDB *db, Session *sn, Request *rq, char *username) */
59 authdb_get_user_f get_user;
60 int use_cache;
61 };
62
63 /*
64 * verify the users password
65 * returns 1 if the password is correct, otherwise 0
66 *
67 * param1: user
68 * param2: password
69 */
70 typedef int(*user_verify_passwd_f)(User*, const char*);
71
72 /*
73 * check if the user is a member of a given group
74 *
75 * param1: user
76 * param2: group
77 */
78 typedef int(*user_check_group_f)(User*, const char*);
79
80 /*
81 * free the user object
82 */
83 typedef void(*user_free_f)(User*);
84
85 struct user {
86 char *name;
87 uid_t uid;
88 gid_t gid;
89 /* int verify_password(User *user, char *password) */
90 user_verify_passwd_f verify_password;
91 /* int check_group(User *user, char *group) */
92 user_check_group_f check_group;
93 /* void free(User*) */
94 user_free_f free;
95 };
96
97
98 User* authdb_get_user(AuthDB *db, Session *sn, Request *rq, const char *user);
99 User* authdb_get_and_verify(AuthDB *db, Session *sn, Request *rq, const char *user, const char *password, int *pw);
100
101 #ifdef __cplusplus
102 }
103 #endif
104
105 #endif /* WS_AUTH_H */
106
107