1 | //auth.c: |
---|
2 | |
---|
3 | /* |
---|
4 | * Copyright (C) Philipp 'ph3-der-loewe' Schafft - 2010 |
---|
5 | * |
---|
6 | * This file is part of roard a part of RoarAudio, |
---|
7 | * a cross-platform sound system for both, home and professional use. |
---|
8 | * See README for details. |
---|
9 | * |
---|
10 | * This file is free software; you can redistribute it and/or modify |
---|
11 | * it under the terms of the GNU General Public License version 3 |
---|
12 | * as published by the Free Software Foundation. |
---|
13 | * |
---|
14 | * RoarAudio is distributed in the hope that it will be useful, |
---|
15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
---|
16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
---|
17 | * GNU General Public License for more details. |
---|
18 | * |
---|
19 | * You should have received a copy of the GNU General Public License |
---|
20 | * along with this software; see the file COPYING. If not, write to |
---|
21 | * the Free Software Foundation, 51 Franklin Street, Fifth Floor, |
---|
22 | * Boston, MA 02110-1301, USA. |
---|
23 | * |
---|
24 | */ |
---|
25 | |
---|
26 | #include "roard.h" |
---|
27 | |
---|
28 | #define _NONE ROAR_AUTH_T_AUTO |
---|
29 | |
---|
30 | int auth_init (void) { |
---|
31 | int i; |
---|
32 | |
---|
33 | memset(g_auth_keyring, 0, sizeof(g_auth_keyring)); |
---|
34 | |
---|
35 | for (i = 0; i < AUTH_KEYRING_LEN; i++) { |
---|
36 | g_auth_keyring[i].type = _NONE; |
---|
37 | } |
---|
38 | |
---|
39 | // enable guest access. |
---|
40 | if ( auth_addkey_anonymous(ACCLEV_ALL) == -1 ) |
---|
41 | return -1; |
---|
42 | |
---|
43 | #if 0 |
---|
44 | // test password for API tests... |
---|
45 | auth_addkey_password(ACCLEV_ALL, "test"); |
---|
46 | #endif |
---|
47 | |
---|
48 | return 0; |
---|
49 | } |
---|
50 | |
---|
51 | int auth_free (void) { |
---|
52 | return 0; |
---|
53 | } |
---|
54 | |
---|
55 | union auth_typeunion * auth_regkey_simple(int type, enum roard_client_acclev acclev) { |
---|
56 | struct auth_key * key; |
---|
57 | int i; |
---|
58 | |
---|
59 | for (i = 0; i < AUTH_KEYRING_LEN; i++) { |
---|
60 | if ( (key = &(g_auth_keyring[i]))->type == _NONE ) { |
---|
61 | memset(key, 0, sizeof(struct auth_key)); |
---|
62 | key->type = type; |
---|
63 | key->acclev = acclev; |
---|
64 | return &(key->at_data); |
---|
65 | } |
---|
66 | } |
---|
67 | |
---|
68 | return NULL; |
---|
69 | } |
---|
70 | |
---|
71 | static int _ck_password(struct auth_key * key, struct roar_auth_message * authmes) { |
---|
72 | size_t len = strlen(key->at_data.password.password); |
---|
73 | |
---|
74 | // need to check here if we have a padding \0-byte. |
---|
75 | |
---|
76 | if ( len == authmes->len ) { |
---|
77 | if ( memcmp(key->at_data.password.password, authmes->data, len) ) { |
---|
78 | return -1; |
---|
79 | } else { |
---|
80 | return 1; |
---|
81 | } |
---|
82 | } |
---|
83 | |
---|
84 | return -1; |
---|
85 | } |
---|
86 | |
---|
87 | int auth_client_ckeck(struct roar_client_server * cs, struct roar_auth_message * authmes) { |
---|
88 | struct auth_key * key; |
---|
89 | int i; |
---|
90 | int ret; |
---|
91 | |
---|
92 | if ( cs == NULL || authmes == NULL ) |
---|
93 | return -1; |
---|
94 | |
---|
95 | for (i = 0; i < AUTH_KEYRING_LEN; i++) { |
---|
96 | if ( (key = &(g_auth_keyring[i]))->type == authmes->type ) { |
---|
97 | ret = -1; |
---|
98 | switch (key->type) { |
---|
99 | case ROAR_AUTH_T_NONE: |
---|
100 | ret = 1; |
---|
101 | break; |
---|
102 | case ROAR_AUTH_T_PASSWORD: |
---|
103 | ret = _ck_password(key, authmes); |
---|
104 | break; |
---|
105 | case ROAR_AUTH_T_TRUST: |
---|
106 | case ROAR_AUTH_T_COOKIE: |
---|
107 | case ROAR_AUTH_T_SYSUSER: |
---|
108 | case ROAR_AUTH_T_RHOST: |
---|
109 | default: |
---|
110 | /* don't know what to do... */ |
---|
111 | return -1; |
---|
112 | break; |
---|
113 | } |
---|
114 | switch (ret) { |
---|
115 | case -1: |
---|
116 | /* ignore this case and continue */ |
---|
117 | break; |
---|
118 | case 0: |
---|
119 | return 0; |
---|
120 | break; |
---|
121 | case 1: |
---|
122 | cs->acclev = key->acclev; |
---|
123 | return 1; |
---|
124 | break; |
---|
125 | default: /* error! */ |
---|
126 | return -1; |
---|
127 | break; |
---|
128 | } |
---|
129 | } |
---|
130 | } |
---|
131 | |
---|
132 | return -1; |
---|
133 | } |
---|
134 | |
---|
135 | int auth_addkey_anonymous(enum roard_client_acclev acclev) { |
---|
136 | if ( auth_regkey_simple(ROAR_AUTH_T_NONE, acclev) == NULL ) |
---|
137 | return -1; |
---|
138 | return 0; |
---|
139 | } |
---|
140 | |
---|
141 | int auth_addkey_password(enum roard_client_acclev acclev, const char * password) { |
---|
142 | union auth_typeunion * pw; |
---|
143 | |
---|
144 | if ( (pw = auth_regkey_simple(ROAR_AUTH_T_PASSWORD, acclev)) == NULL ) |
---|
145 | return -1; |
---|
146 | |
---|
147 | pw->password.password = password; |
---|
148 | |
---|
149 | return 0; |
---|
150 | } |
---|
151 | |
---|
152 | //ll |
---|